/* ============================================
   FLOKSER KİMYA - Kurumsal Tasarım Sistemi 2026
   Uluslararası, Köklü, Profesyonel
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,500&display=swap');

/* Reset and Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Flokser Kimya Kurumsal Renkler (Pantone 294 C, 638 C, 443 C) */
    --color-primary: #213469;
    --color-primary-dark: #1A2954;
    --color-primary-light: #2E4A7E;
    --color-accent: #01ADD8;
    --color-accent-light: #2AB8EC;
    --color-accent-dark: #0099BC;
    
    /* Neutrals */
    --color-ink: #213469;
    --color-ink-muted: #334155;
    --color-ink-light: #64748B;
    --color-slate: #8E9C9C;
    --color-snow: #F5F7F7;
    --color-white: #FFFFFF;
    
    /* Semantic */
    --color-success: #059669;
    --color-warning: #D97706;
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Effects */
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
    --shadow-glow: 0 0 40px rgba(1, 173, 216, 0.15);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --container-max: 1280px;
    --header-height: 80px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-ink);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-6xl); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: var(--text-4xl); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: var(--text-2xl); font-weight: 700; }
h4 { font-size: var(--text-xl); font-weight: 600; }
h5 { font-size: var(--text-lg); font-weight: 600; }
h6 { font-size: var(--text-base); font-weight: 600; }

p {
    margin-bottom: var(--space-4);
    color: var(--color-ink-muted);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--color-accent);
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* SVG Icons */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    fill: currentColor;
    vertical-align: middle;
}
.icon-sm { width: 1.25rem; height: 1.25rem; }
.icon-md { width: 1.5rem; height: 1.5rem; }
.icon-lg { width: 2rem; height: 2rem; }
.icon-xl { width: 3rem; height: 3rem; }
.icon-2xl { width: 4rem; height: 4rem; }

/* ============ HEADER - Premium Sticky ============ */
#site-header {
    position: relative;
    z-index: 1001;
}
#site-header .header {
    pointer-events: auto;
}
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    min-height: var(--header-height);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    gap: var(--space-4);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.header:has(.header-top) .container {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
}

.header:has(.header-top) .main-nav {
    padding: var(--space-4) 0;
}

.logo {
    flex-shrink: 0;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo-img {
    height: 6.2rem;
    width: auto;
    display: block;
}

.footer .logo-img {
    height: 150px;
}

/* Search - İkon ile Açılır */
.header-right-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-ink-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-toggle:hover {
    color: var(--color-primary);
    background: rgba(11, 61, 92, 0.06);
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--color-snow);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: var(--transition-base);
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.search-wrapper.expanded .search-box {
    width: 340px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.search-box:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.12);
}

.search-close {
    display: none;
    padding: var(--space-2) var(--space-3);
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-ink-muted);
    cursor: pointer;
    line-height: 1;
}

.search-wrapper.expanded .search-toggle {
    display: none;
}

.search-wrapper.expanded .search-close {
    display: block;
}

.search-input {
    padding: var(--space-2) var(--space-4);
    border: none;
    background: transparent;
    flex: 1;
    min-width: 0;
    font-size: var(--text-sm);
    outline: none;
    color: var(--color-ink);
}

.search-input::placeholder {
    color: var(--color-slate);
}

.search-btn {
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: 600;
    transition: var(--transition-base);
}

.search-btn:hover {
    background: var(--color-primary-dark);
}

/* Dil Seçici */
.lang-selector {
    position: relative;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-ink-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-toggle:hover {
    border-color: rgba(15, 23, 42, 0.2);
    color: var(--color-ink);
}

.lang-flag {
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

.lang-flag img {
    display: block;
    border-radius: 2px;
    object-fit: cover;
}

.lang-flag-img {
    display: inline-block;
    vertical-align: middle;
    border-radius: 2px;
    object-fit: cover;
}

.lang-code {
    letter-spacing: 0.02em;
}

.lang-chevron {
    transition: transform var(--transition-fast);
}

.lang-selector.open .lang-chevron {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 120px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(15, 23, 42, 0.08);
    list-style: none;
    padding: var(--space-1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: var(--transition-fast);
    z-index: 100;
}

.lang-selector.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.lang-dropdown a:hover {
    background: var(--color-snow);
    color: var(--color-primary);
}

/* Navigation */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2px;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: var(--space-2) var(--space-2);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-ink-muted);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-menu > li > a:hover {
    color: var(--color-primary);
    background: rgba(11, 61, 92, 0.06);
}

.nav-menu > li.has-dropdown > a::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    margin-left: 2px;
    opacity: 0.6;
}

.has-dropdown .dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 0;
    min-width: 260px;
    background: var(--color-white);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    list-style: none;
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition-base);
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.dropdown a:hover {
    background: var(--color-snow);
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-ink);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============ HERO - Full Impact + Slider ============ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-slides {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    z-index: 0;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.hero-slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-slide-2 .hero-slide-bg,
.hero-slide-3 .hero-slide-bg {
    filter: brightness(0.75);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, #0A4D68 100%);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 168, 150, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(0, 168, 150, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 0% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z' fill='%23ffffff' fill-opacity='0.03'/%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.8;
}

.hero-video {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 61, 92, 0.7) 0%, rgba(6, 37, 54, 0.9) 100%);
    z-index: 2;
    transition: opacity 0.5s ease;
}

/* Mavi overlay sadece Slider 1'de; Slider 2 ve 3'te kaldırıyoruz */
.hero-slider:has(.hero-slide-2.active) .hero-overlay,
.hero-slider:has(.hero-slide-3.active) .hero-overlay {
    opacity: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    padding: var(--space-16) var(--space-6);
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

/* Yazılar sadece Slider 1'de görünsün; Slider 2 ve 3'te gizle */
.hero-slider:has(.hero-slide-2.active) .hero-content,
.hero-slider:has(.hero-slide-3.active) .hero-content {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--space-6);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-7xl));
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 40px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease 0.1s forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: var(--space-10);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

/* Hero Slider Nav */
.hero-slider-nav {
    position: absolute;
    bottom: var(--space-8);
    left: 0;
    right: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
}

.hero-slider-prev,
.hero-slider-next {
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, border-color 0.2s;
}

.hero-slider-prev:hover,
.hero-slider-next:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.8);
}

.hero-slider-prev::before {
    content: '';
    width: 10px;
    height: 10px;
    border-left: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-left: 4px;
}

.hero-slider-next::before {
    content: '';
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-top: 2px solid currentColor;
    transform: rotate(45deg);
    margin-right: 4px;
}

.hero-dots {
    display: flex;
    gap: var(--space-3);
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background 0.2s, border-color 0.2s;
}

.hero-dot:hover {
    border-color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.3);
}

.hero-dot.active {
    background: var(--color-white);
    border-color: var(--color-white);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: var(--color-snow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
}

/* ============ STATS BAR - İstatistikler sırayla efektli gelir ============ */
.stats-bar {
    background: var(--color-primary);
    padding: var(--space-8) 0;
    position: relative;
    z-index: 10;
}

.stats-carousel {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stats-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-24);
}

.stat-slide {
    color: var(--color-white);
    opacity: 0;
    transform: translateX(-32px) scale(0.92);
    animation: stat-slide-in 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.stats-row .stat-slide:nth-child(1) { animation-delay: 0.1s; }
.stats-row .stat-slide:nth-child(2) { animation-delay: 0.35s; }
.stats-row .stat-slide:nth-child(3) { animation-delay: 0.6s; }
.stats-row .stat-slide:nth-child(4) { animation-delay: 0.85s; }

@keyframes stat-slide-in {
    0% {
        opacity: 0;
        transform: translateX(-32px) scale(0.92);
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.stat-slide .stat-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-1);
    display: block;
}

.stat-slide .stat-label {
    font-size: var(--text-sm);
    opacity: 0.9;
    font-weight: 500;
}

/* ============ SECTIONS ============ */
.section {
    padding: var(--space-24) 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-16);
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-ink-muted);
    line-height: 1.7;
}

/* ============ PRODUCTS - Premium Cards (Kimya Teması) ============ */
.products-section {
    background: linear-gradient(180deg, #E8F4F8 0%, #F0F9FC 50%, var(--color-snow) 100%);
    position: relative;
}

.products-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='49' viewBox='0 0 28 49'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cpath d='M13.99 9.25l13.7 7.92v15.84l-13.7 7.92L.29 32.96V17.12l13.7-7.87z' stroke='%230B3D5C' stroke-opacity='0.06' stroke-width='0.5'/%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.8;
    pointer-events: none;
}

.products-section .container {
    position: relative;
    z-index: 1;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.product-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.icon-wrapper {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    transition: var(--transition-base);
}

.product-card:hover .icon-wrapper {
    transform: scale(1.05);
}

.product-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-ink);
    line-height: 1.4;
    margin-bottom: var(--space-2);
}

.product-card p {
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    margin: 0;
    line-height: 1.5;
}

.product-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* ============ CHEMISTRY SPOTLIGHT - Kimya Teması ============ */
.chemistry-spotlight {
    background: linear-gradient(180deg, #D4EBF2 0%, #E8F4F8 100%);
    position: relative;
    overflow: hidden;
}

.chemistry-pattern {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='98' viewBox='0 0 56 98'%3E%3Cg fill='none' stroke='%230B3D5C' stroke-opacity='0.08' stroke-width='0.5'%3E%3Cpath d='M28 0l27.7 16v32L28 64 .3 48V16L28 0z'/%3E%3Cpath d='M28 24l13.85 8v16L28 56 14.15 48V32L28 24z'/%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.9;
    pointer-events: none;
}

.chemistry-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.chemistry-shapes::before,
.chemistry-shapes::after {
    content: '';
    position: absolute;
    border-radius: 24px;
    background: rgba(11, 61, 92, 0.04);
}

.chemistry-shapes::before {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -50px;
    transform: rotate(15deg);
}

.chemistry-shapes::after {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: -30px;
    transform: rotate(-10deg);
}

.chemistry-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.chemistry-illustrations {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: var(--space-10);
    padding: var(--space-8) 0;
}

.chem-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-primary);
}

.chem-item-featured {
    transform: translateY(-12px);
    position: relative;
}

.chem-icon {
    color: var(--color-primary);
    opacity: 0.9;
    filter: drop-shadow(0 4px 12px rgba(11, 61, 92, 0.1));
}

.chem-formula {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary-light);
    opacity: 0.85;
    margin-bottom: var(--space-2);
    letter-spacing: 0.02em;
}

.chem-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-top: var(--space-3);
    letter-spacing: 0.05em;
}

.chem-item-featured .chem-molecule {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-primary);
    opacity: 0.8;
}

.chemistry-text {
    padding: var(--space-4) 0;
}

.chemistry-spotlight .section-label {
    color: var(--color-primary-light);
}

.chemistry-spotlight .section-title {
    color: var(--color-ink);
}

.chemistry-spotlight .section-description {
    color: var(--color-ink-muted);
}

.chemistry-spotlight .btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.chemistry-spotlight .btn-primary:hover {
    background: var(--color-primary-dark);
}

@media (max-width: 1024px) {
    .chemistry-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .chemistry-illustrations {
        order: -1;
    }
    
    .chem-item-featured {
        transform: none;
    }
}

@media (max-width: 640px) {
    .chemistry-illustrations {
        gap: var(--space-6);
    }
    
    .chem-icon {
        width: 50px !important;
        height: 62px !important;
    }
}

/* ============ INNOVATION - CTA Block ============ */
.innovation-section {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, #0A4D68 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.innovation-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 168, 150, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.innovation-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.innovation-section .section-title {
    color: var(--color-white);
}

.innovation-section .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.innovation-section .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

/* ============ SOLUTIONS - Business ============ */
.business-section {
    background: var(--color-white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.solution-card {
    padding: var(--space-10);
    background: var(--color-snow);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition: var(--transition-base);
    text-align: center;
}

.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.solution-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    color: var(--color-ink);
}

.solution-card p {
    color: var(--color-ink-muted);
    line-height: 1.8;
}

.facilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.facility-card {
    padding: var(--space-8);
    background: var(--color-snow);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition: var(--transition-base);
}

.facility-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.facility-card h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.facility-card p {
    font-size: var(--text-sm);
}

/* Display utilities - industries section visibility */
.d-none { display: none !important; }
@media (min-width: 1024px) {
    .d-lg-block { display: block !important; }
    .d-lg-none { display: none !important; }
}
@media (max-width: 1023px) {
    .d-lg-block { display: none !important; }
    .d-lg-none { display: block !important; }
}

/* ============ INDUSTRIES SECTION - Hover Genişleyen Paneller (birebir) ============ */
.industries-section {
    max-width: 1400px;
    margin: var(--space-12) auto;
    padding: 0 20px;
}

.industries-container {
    display: flex;
    height: 460px;
    gap: 0;
    position: relative;
    color: white;
}

.industries-container h1,
.industries-container h2,
.industries-container h3,
.industries-container h4,
.industries-container p,
.industries-container a,
.industries-container span,
.industries-container li {
    color: white !important;
}

.industries-section .industry {
    position: relative;
    flex: 1;
    transition: flex 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    cursor: pointer;
}

.industries-section .industry:nth-child(1) {
    background: linear-gradient(135deg, #213469 0%, #1A2954 100%);
}

.industries-section .industry:nth-child(2) {
    background: linear-gradient(135deg, #01ADD8 0%, #0099BC 100%);
}

.industries-section .industry:nth-child(3) {
    background: linear-gradient(135deg, #2E4A7E 0%, #213469 100%);
}

.industries-section .industry:nth-child(4) {
    background: linear-gradient(135deg, #8E9C9C 0%, #6B7B7B 100%);
}

.industries-section .industry::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.3);
    z-index: 2;
}

.industries-section .industry::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 30px;
    width: 12px;
    height: 12px;
    background-color: white;
    border-radius: 50%;
    z-index: 3;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.industries-section .industry .l-line {
    position: absolute;
    z-index: 2;
    background-color: white;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.industries-section .industry .l-line-vertical {
    top: 0;
    left: 36px;
    width: 2px;
    height: 0;
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s, opacity 0.3s ease;
}

.industries-section .industry .l-line-horizontal {
    top: 98px;
    left: 36px;
    width: 0;
    height: 2px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.4s, opacity 0.3s ease;
}

.industries-section .industry:hover {
    flex: 2.5;
}

.industries-section .industry:hover::after {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
}

.industries-section .industry:hover .l-line {
    opacity: 1;
}

.industries-section .industry:hover .l-line-vertical {
    height: 100px;
}

.industries-section .industry:hover .l-line-horizontal {
    width: 30px;
}

.industries-section .content {
    position: relative;
    padding: 90px 40px 40px 80px;
    height: 100%;
    display: flex;
    flex-direction: column;
    color: white;
    z-index: 1;
}

.industries-section .content h3 {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 20px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.5px;
    position: relative;
}

.industries-section .content p {
    font-size: 15px;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.95);
}

.industries-section .industry:hover .content p {
    opacity: 1;
    transform: translateY(0);
}

.industries-section .content img {
    position: absolute;
    bottom: 40px;
    right: 40px;
    width: 80px;
    height: 80px;
    opacity: 0.3;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(0) invert(1);
}

.industries-section .industry:hover .content img {
    opacity: 0.6;
    transform: scale(1.1);
}

@media (max-width: 1024px) {
    .industries-section .industries-container {
        flex-direction: column;
        height: auto;
    }

    .industries-section .industry {
        min-height: 200px;
    }

    .industries-section .industry:hover {
        flex: 1;
    }
}

/* ============ RESOURCES ============ */
.resources-section {
    background: var(--color-snow);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.resource-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: var(--color-ink);
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition: var(--transition-base);
}

.resource-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.resource-card h3 {
    font-size: var(--text-xl);
    margin-bottom: 0;
}

.resource-link {
    color: var(--color-accent);
    font-weight: 600;
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.resource-card:hover .resource-link {
    gap: var(--space-3);
}

/* ============ RESPONSIBILITY BANNER - Kimya Temalı ============ */
.responsibility-banner {
    position: relative;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 60px 80px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #1e7a5f 100%);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.responsibility-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(76, 175, 80, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(33, 150, 243, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* Molekül deseni */
.responsibility-banner .molecule-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.08;
    pointer-events: none;
}

.responsibility-banner .molecule {
    position: absolute;
    width: 150px;
    height: 150px;
}

.responsibility-banner .molecule:nth-child(1) { top: 10%; left: 5%; animation: resp-float 8s ease-in-out infinite; }
.responsibility-banner .molecule:nth-child(2) { top: 60%; right: 10%; animation: resp-float 10s ease-in-out infinite 2s; }
.responsibility-banner .molecule:nth-child(3) { bottom: 15%; left: 40%; animation: resp-float 12s ease-in-out infinite 4s; }

@keyframes resp-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Geri dönüşüm sembolleri */
.responsibility-banner .recycle-symbols {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.04;
    pointer-events: none;
}

.responsibility-banner .recycle-symbol {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 3px solid #fff;
    border-radius: 50%;
}

.responsibility-banner .recycle-symbol::before,
.responsibility-banner .recycle-symbol::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 60%;
    border: 3px solid #fff;
    border-radius: 50%;
}

.responsibility-banner .recycle-symbol::before {
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.responsibility-banner .recycle-symbol::after {
    bottom: -15px;
    left: 15%;
}

.responsibility-banner .recycle-symbol:nth-child(1) { 
    top: 20%; 
    right: 15%; 
    animation: resp-rotate-slow 20s linear infinite; 
}

.responsibility-banner .recycle-symbol:nth-child(2) { 
    bottom: 20%; 
    left: 10%; 
    animation: resp-rotate-slow 25s linear infinite reverse; 
}

@keyframes resp-rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* İçerik */
.responsibility-banner .banner-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
}

/* Dekoratif şekiller - sol */
.responsibility-banner .left-decoration {
    flex-shrink: 0;
    width: 140px;
    height: 140px;
    position: relative;
}

.responsibility-banner .geometric-shape {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.25);
}

.responsibility-banner .shape-1 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    animation: resp-rotate-shape 20s linear infinite;
}

.responsibility-banner .shape-2 {
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: resp-morph 15s ease-in-out infinite;
    border-color: rgba(76, 175, 80, 0.3);
}

.responsibility-banner .shape-3 {
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.15), transparent);
    animation: resp-pulse-shape 4s ease-in-out infinite;
}

@keyframes resp-rotate-shape {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes resp-morph {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    50% { border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
}

@keyframes resp-pulse-shape {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; }
}

.responsibility-banner .text-content {
    flex: 1;
    color: #fff;
}

.responsibility-banner .badge {
    display: inline-block;
    background: rgba(76, 175, 80, 0.3);
    border: 2px solid rgba(76, 175, 80, 0.6);
    color: #a5d6a7;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.responsibility-banner .text-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(to right, #fff, #a5d6a7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.responsibility-banner .description {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95) !important;
    max-width: 700px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
}

/* CTA Butonu */
.responsibility-banner .cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: #fff !important;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.responsibility-banner .cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.responsibility-banner .cta-button:hover {
    background: rgba(76, 175, 80, 0.3);
    border-color: rgba(76, 175, 80, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(76, 175, 80, 0.3);
}

.responsibility-banner .cta-button:hover::before {
    left: 100%;
}

.responsibility-banner .cta-button:active {
    transform: translateY(0);
}

.responsibility-banner .cta-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}

.responsibility-banner .cta-button:hover .cta-arrow {
    transform: translateX(5px);
}

/* Dekoratif noktalar */
.responsibility-banner .decorative-dots {
    position: absolute;
    width: 100vw;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    top: 0;
    opacity: 0.1;
    pointer-events: none;
}

.responsibility-banner .dot {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #fff;
    border-radius: 50%;
}

.responsibility-banner .dot:nth-child(1) { top: 15%; left: 25%; animation: resp-twinkle 3s ease-in-out infinite; }
.responsibility-banner .dot:nth-child(2) { top: 45%; left: 70%; animation: resp-twinkle 4s ease-in-out infinite 1s; }
.responsibility-banner .dot:nth-child(3) { top: 75%; left: 15%; animation: resp-twinkle 5s ease-in-out infinite 2s; }
.responsibility-banner .dot:nth-child(4) { top: 25%; right: 20%; animation: resp-twinkle 3.5s ease-in-out infinite 1.5s; }
.responsibility-banner .dot:nth-child(5) { bottom: 30%; right: 35%; animation: resp-twinkle 4.5s ease-in-out infinite 0.5s; }

@keyframes resp-twinkle {
    0%, 100% { opacity: 0.2; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

/* Parlama efekti */
.responsibility-banner .shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: resp-shine 8s ease-in-out infinite;
}

@keyframes resp-shine {
    0% { left: -100%; }
    20%, 100% { left: 100%; }
}

/* Responsibility section wrapper - tam genişlik, footer ile boşluk */
.responsibility-section {
    padding: var(--space-16) 0 var(--space-12) 0;
    background: var(--color-snow);
}

/* Responsive */
@media (max-width: 1024px) {
    .responsibility-banner {
        padding: 50px 60px;
    }

    .responsibility-banner .banner-content {
        gap: 50px;
    }

    .responsibility-banner .left-decoration {
        width: 120px;
        height: 120px;
    }

    .responsibility-banner .text-content h2 {
        font-size: 36px;
    }

    .responsibility-banner .description {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .responsibility-banner {
        padding: 40px 30px;
    }

    .responsibility-banner .banner-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .responsibility-banner .left-decoration {
        width: 100px;
        height: 100px;
    }

    .responsibility-banner .text-content h2 {
        font-size: 28px;
    }

    .responsibility-banner .description {
        font-size: 15px;
    }

    .responsibility-banner .molecule,
    .responsibility-banner .recycle-symbol {
        display: none;
    }
}

/* ============ FOOTER - Premium ============ */
.footer {
    background: var(--color-ink);
    color: var(--color-white);
    padding: var(--space-24) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-16);
    padding-bottom: var(--space-16);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-img {
    margin-bottom: var(--space-4);
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    line-height: 1.7;
    max-width: 320px;
}

.footer-section h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-6);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--space-3);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-6);
}

.footer-links {
    display: flex;
    gap: var(--space-8);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--text-sm);
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--text-sm);
    width: 100%;
    text-align: center;
    margin-top: var(--space-6);
}

/* ============ PAGE HEADER – Tüm özel sayfalarda fabrika.jpg arka plan ============ */
.page-header {
    background-image: url('../fabrika.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-white);
    padding: calc(var(--header-height) + var(--space-24)) 0 var(--space-24);
    text-align: center;
    position: relative;
    min-height: 42vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 41, 84, 0.82) 0%, rgba(33, 52, 105, 0.75) 50%, rgba(10, 77, 104, 0.7) 100%);
    pointer-events: none;
}

.page-header .container,
.page-header .page-header__inner {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-xl);
}

.page-header--about {
    padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
}

.page-header__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 41, 84, 0.82) 0%, rgba(33, 52, 105, 0.75) 50%, rgba(10, 77, 104, 0.7) 100%);
    pointer-events: none;
}

.page-header__inner {
    position: relative;
    z-index: 1;
}

.page-header__eyebrow {
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.page-header__title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.page-header__lead {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.95);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

.page-header--sustainability {
    padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
}

.page-header--sustainability .page-header__overlay {
    background: linear-gradient(135deg, rgba(26, 41, 84, 0.78) 0%, rgba(33, 52, 105, 0.72) 50%, rgba(0, 100, 80, 0.65) 100%);
}

@media (max-width: 768px) {
    .page-header {
        min-height: 38vh;
    }
}

/* Hakkımızda: Öne çıkan rakamlar */
.about-stats {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-10) 0;
    margin-top: -1px;
}

.about-stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    text-align: center;
}

.about-stats__item {
    padding: var(--space-4) 0;
}

.about-stats__number {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2);
}

.about-stats__label {
    font-size: var(--text-sm);
    font-weight: 500;
    opacity: 0.95;
}

@media (max-width: 768px) {
    .about-stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
    .page-header--about {
        min-height: 38vh;
    }
}

/* Hakkımızda: Ana içerik blokları */
.section--about {
    padding-top: var(--space-16);
    padding-bottom: var(--space-20);
}

.about-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-16);
}

.about-intro__title {
    font-size: var(--text-2xl);
    color: var(--color-primary);
    margin-bottom: var(--space-6);
    font-weight: 700;
}

.about-intro__text {
    font-size: var(--text-lg);
    color: var(--color-ink-muted);
    line-height: 1.75;
}

.about-blocks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
    margin-bottom: var(--space-16);
}

.about-block {
    background: var(--color-white);
    border: 1px solid rgba(11, 61, 92, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-md);
}

.about-block__icon {
    color: var(--color-accent);
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
}

.about-block__title {
    font-size: var(--text-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    font-weight: 700;
}

.about-block__text {
    color: var(--color-ink-muted);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .about-blocks {
        grid-template-columns: 1fr;
    }
}

.about-facilities__title,
.about-sectors__title,
.about-values__title,
.about-timeline__title {
    font-size: var(--text-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-6);
    font-weight: 700;
}

.about-facilities {
    margin-bottom: var(--space-16);
}

.about-facilities__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.about-facility {
    background: var(--color-snow);
    border: 1px solid rgba(11, 61, 92, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}

.about-facility__name {
    font-weight: 700;
    color: var(--color-primary);
    font-size: var(--text-lg);
}

.about-facility__size {
    display: inline-block;
    margin-left: var(--space-2);
    color: var(--color-accent);
    font-weight: 600;
    font-size: var(--text-base);
}

.about-facility__desc {
    margin-top: var(--space-4);
    color: var(--color-ink-muted);
    line-height: 1.6;
    font-size: var(--text-sm);
}

@media (max-width: 768px) {
    .about-facilities__grid {
        grid-template-columns: 1fr;
    }
}

.about-sectors {
    margin-bottom: var(--space-16);
}

.about-sectors__text {
    color: var(--color-ink-muted);
    line-height: 1.75;
    max-width: 800px;
}

.values-list--corporate {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-12);
}

.values-list--corporate li {
    padding: var(--space-4) 0;
    border-bottom: 1px solid rgba(11, 61, 92, 0.06);
    display: flex;
    gap: var(--space-2);
    line-height: 1.6;
}

.values-list--corporate li:last-child {
    border-bottom: 0;
}

.values-list--corporate strong {
    color: var(--color-primary);
    min-width: 10ch;
}

.timeline--about {
    margin-top: var(--space-6);
}

/* ============ Sürdürülebilirlik – Manifesto sayfası ============ */
.section--manifesto {
    padding-top: var(--space-16);
    padding-bottom: var(--space-20);
}

.manifesto-intro {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-12);
}

.manifesto-intro__title {
    font-size: var(--text-2xl);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    font-weight: 700;
}

.manifesto-intro__text {
    font-size: var(--text-lg);
    color: var(--color-ink-muted);
    line-height: 1.7;
}

.manifesto-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: manifesto;
}

.manifesto-list__item {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
    padding: var(--space-6) var(--space-8);
    margin-bottom: var(--space-4);
    background: var(--color-white);
    border: 1px solid rgba(11, 61, 92, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.manifesto-list__item:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(1, 173, 216, 0.2);
}

.manifesto-list__number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 800;
    font-size: var(--text-lg);
    border-radius: var(--radius-full);
}

.manifesto-list__item p {
    margin: 0;
    color: var(--color-ink-muted);
    line-height: 1.7;
    font-size: var(--text-base);
}

.manifesto-list__item p strong {
    color: var(--color-primary);
    font-weight: 600;
}

.manifesto-source {
    margin-top: var(--space-12);
    padding-top: var(--space-6);
    border-top: 1px solid rgba(11, 61, 92, 0.08);
    font-size: var(--text-sm);
    color: var(--color-ink-light);
    text-align: center;
}

.manifesto-source a {
    color: var(--color-accent);
    font-weight: 500;
}

.manifesto-source a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .manifesto-list__item {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-5);
    }
}

/* ============ İlkelerimiz sayfası ============ */
.section--principles {
    padding-top: var(--space-12);
    padding-bottom: var(--space-20);
}

.section-title--center {
    text-align: center;
    margin-bottom: var(--space-8);
    color: var(--color-primary);
    font-size: var(--text-2xl);
}

.principle-block {
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid rgba(11, 61, 92, 0.08);
}

.principle-block:last-of-type {
    border-bottom: none;
}

.principle-block__title {
    font-size: var(--text-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    font-weight: 700;
}

.principle-block p {
    margin: 0;
    color: var(--color-ink-muted);
    line-height: 1.75;
    font-size: var(--text-base);
}

.principles-intro {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--color-ink-muted);
    margin-bottom: var(--space-10);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.principles-figure {
    margin: var(--space-10) auto;
    text-align: center;
    max-width: 800px;
}

.principles-figure__img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.principles-figure__caption {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-ink-light);
}

.principle-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-10);
}

.principle-card {
    padding: var(--space-5);
    background: var(--color-white);
    border: 1px solid rgba(11, 61, 92, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
    min-width: 0;
}

.principle-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(1, 173, 216, 0.15);
}

.principle-card__title {
    font-size: var(--text-base);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
    font-weight: 700;
}

.principle-card p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    line-height: 1.6;
}

@media (max-width: 1200px) {
    .principle-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .principle-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

/* ============ UTILITY CLASSES ============ */
.text-center { text-align: center; }
.text-center .btn { margin-top: var(--space-8); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1200px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .search-wrapper.expanded .search-box {
        width: min(340px, calc(100vw - var(--space-8)));
    }
    
    .header-inner .main-nav {
        display: none;
    }
    
    .header-inner .main-nav.active {
        display: block;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    /* Mobil menü - Menü en üstte, header'ı da yükselt */
    body.menu-open {
        overflow: hidden;
    }
    
    body.menu-open::before {
        content: '';
        position: fixed;
        inset: 0;
        top: var(--header-height);
        background: rgba(11, 61, 92, 0.25);
        z-index: 9998;
        animation: overlayFadeIn 0.25s ease-out;
        pointer-events: none;
    }
    
    @keyframes overlayFadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    .main-nav.active {
        position: fixed;
        top: var(--header-height);
        right: 0;
        bottom: 0;
        width: 50%;
        min-width: 280px;
        max-height: calc(100vh - var(--header-height));
        background: var(--color-white);
        z-index: 9999;
        padding: var(--space-6) var(--space-4) var(--space-10);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        animation: menuSlideIn 0.3s cubic-bezier(0.32, 0.72, 0, 1);
        box-shadow: -4px 0 24px -4px rgba(15, 23, 42, 0.12);
    }
    
    /* Zarif scrollbar - mobil menü için */
    .main-nav.active::-webkit-scrollbar {
        width: 6px;
    }
    .main-nav.active::-webkit-scrollbar-track {
        background: transparent;
    }
    .main-nav.active::-webkit-scrollbar-thumb {
        background: rgba(15, 23, 42, 0.12);
        border-radius: var(--radius-full);
    }
    .main-nav.active::-webkit-scrollbar-thumb:hover {
        background: rgba(15, 23, 42, 0.2);
    }
    .main-nav.active {
        scrollbar-width: thin;
        scrollbar-color: rgba(15, 23, 42, 0.2) transparent;
    }
    
    @keyframes menuSlideIn {
        from {
            opacity: 0;
            transform: translateX(16px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    .main-nav.active .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        text-align: right;
    }
    
    .main-nav.active .nav-menu > li {
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    }
    
    .main-nav.active .nav-menu > li > a {
        padding: var(--space-4) var(--space-4);
        font-size: var(--text-base);
        font-weight: 500;
        color: var(--color-ink-muted);
        transition: color var(--transition-fast), background var(--transition-fast);
        justify-content: flex-end;
    }
    
    .main-nav.active .nav-menu > li > a:hover {
        color: var(--color-primary);
        background: rgba(11, 61, 92, 0.04);
    }
    
    .main-nav.active .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        display: none;
        background: rgba(11, 61, 92, 0.03);
        margin: var(--space-2) 0 var(--space-3);
        padding: var(--space-2) var(--space-4) var(--space-3);
        border-radius: var(--radius-md);
        border-right: 3px solid var(--color-accent);
        text-align: right;
    }
    
    .main-nav.active .has-dropdown.open .dropdown {
        display: block;
    }
    
    .main-nav.active .dropdown a {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
        color: var(--color-ink-muted);
        border-radius: var(--radius-sm);
        display: block;
        text-align: right;
    }
    
    .main-nav.active .dropdown a:hover {
        color: var(--color-primary);
        background: rgba(255, 255, 255, 0.8);
    }
    
    .main-nav.active .has-dropdown > a::after {
        transition: transform 0.2s;
    }
    
    .main-nav.active .has-dropdown.open > a::after {
        transform: rotate(180deg);
    }
    
    .hero-title {
        font-size: var(--text-5xl);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 72px;
    }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: var(--space-16) 0;
    }
    
    .products-grid,
    .solutions-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .facilities-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        margin: 0 auto;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .logo-img {
        height: 36px;
    }
}

/* ============ PAGE-SPECIFIC STYLES ============ */
.timeline {
    margin: var(--space-8) 0;
    padding-left: var(--space-8);
    border-left: 3px solid var(--color-accent);
}

.timeline-item {
    margin-bottom: var(--space-8);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-8) - 6px);
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
}

.timeline-year {
    font-weight: 700;
    color: var(--color-primary);
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.timeline-content h4 {
    margin-bottom: var(--space-2);
}

.timeline-content p {
    margin-bottom: 0;
    color: var(--color-ink-muted);
}

.product-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-6);
    margin: var(--space-8) 0;
}

.product-category-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition: var(--transition-base);
}

.product-category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-category-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.product-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
}

.product-list li {
    padding: var(--space-1) 0;
    border-bottom: 1px solid rgba(11, 61, 92, 0.08);
}

.product-list li:last-child {
    border-bottom: none;
}

.text-muted {
    color: var(--color-ink-light);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

/* ============ 2. Seviye Kategori Kartları ============ */
.subcategory-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
    margin: var(--space-8) 0;
}

.subcategory-card {
    display: block;
    background: linear-gradient(145deg, var(--color-white) 0%, var(--color-snow) 100%);
    border: 1px solid rgba(11, 61, 92, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.subcategory-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.subcategory-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.subcategory-card:hover::before {
    transform: scaleX(1);
}

.subcategory-card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-4);
    color: var(--color-primary);
    opacity: 0.9;
}

.subcategory-card:hover .subcategory-card-icon {
    color: var(--color-accent);
}

.subcategory-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: var(--space-2);
}

.subcategory-card .subcategory-count {
    font-size: var(--text-sm);
    color: var(--color-ink-light);
}

.subcategory-card .subcategory-arrow {
    position: absolute;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    opacity: 0;
    transform: translateX(-8px);
    transition: var(--transition-base);
}

.subcategory-card:hover .subcategory-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ============ Ürün Listesi (2. seviye sayfası) ============ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-4);
    margin: var(--space-8) 0;
}

.product-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    background: var(--color-white);
    border: 1px solid rgba(11, 61, 92, 0.08);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

.product-item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.product-item-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    opacity: 0.8;
}

.product-item:hover .product-item-icon {
    color: var(--color-accent);
}

.product-item-content {
    flex: 1;
}

.product-item-content strong {
    font-size: var(--text-base);
    color: var(--color-ink);
}

.product-item-arrow {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    opacity: 0;
    transition: var(--transition-fast);
}

.product-item:hover .product-item-arrow {
    opacity: 1;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: var(--text-base);
    color: var(--color-ink-muted);
    margin-bottom: var(--space-6);
    line-height: 1.5;
}

.breadcrumb a {
    color: var(--color-ink-muted);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb span {
    color: var(--color-ink-muted);
}

.breadcrumb__sep {
    color: var(--color-ink-muted);
    user-select: none;
}

/* Ürün sayfaları: breadcrumb koyu hero üzerinde, büyük ve okunaklı */
.page-header .breadcrumb {
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 0;
    padding: var(--space-3) 0;
}
.page-header .breadcrumb a {
    color: rgba(255, 255, 255, 0.92);
}
.page-header .breadcrumb a:hover {
    color: var(--color-accent);
}
.page-header .breadcrumb span {
    color: rgba(255, 255, 255, 0.65);
}
.page-header .breadcrumb span:last-child {
    color: rgba(255, 255, 255, 0.98);
    font-weight: 600;
}

.container--narrow {
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

/* ============ Medya detay sayfası (makale) ============ */
.page-medya-detay .article-section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-24);
}
.article-detail__header {
    margin-bottom: var(--space-6);
}
.article-detail__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    margin-bottom: var(--space-3);
}
.article-detail__category {
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.article-detail__title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    color: var(--color-ink);
    line-height: 1.25;
    margin: 0;
}
.article-detail__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-8);
    background: var(--color-snow);
}
.article-detail__image img {
    width: 100%;
    height: auto;
    display: block;
    vertical-align: middle;
}
.article-detail__body {
    margin-bottom: var(--space-8);
}
.article-detail__body.prose p {
    margin-bottom: var(--space-5);
    line-height: 1.75;
    color: var(--color-ink);
}
.article-detail__body.prose p:last-child {
    margin-bottom: 0;
}
.article-detail__body.prose strong {
    color: var(--color-ink);
}
.article-detail__body.prose a {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: none;
}
.article-detail__body.prose a:hover {
    text-decoration: underline;
}
.article-detail__footer {
    padding-top: var(--space-6);
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}
.article-detail__back {
    display: inline-flex;
    align-items: center;
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: transparent;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-base);
}
.article-detail__back:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ============ Ürün Detay Sayfası ============ */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
    margin: var(--space-8) 0;
}

@media (max-width: 768px) {
    .product-detail {
        grid-template-columns: 1fr;
    }
}

.product-detail-hero {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(11, 61, 92, 0.08);
    box-shadow: 0 2px 12px rgba(11, 61, 92, 0.04);
}

/* Ürün adı kartı - Örnek kart tasarımı (molekül + parçacıklar) */
.product-name-card {
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--color-accent);
}

.product-visual {
    height: 320px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Molekül alanı – Hexocet canvas (parçacık animasyonu) */
.molecule-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.molecule-container canvas {
    display: block;
    vertical-align: top;
}

/* Yüzen parçacıklar */
.product-visual .particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: particleFloat 4s ease-in-out infinite;
}

.product-visual .particle:nth-child(1) { top: 18%; left: 12%; animation-delay: 0s; }
.product-visual .particle:nth-child(2) { top: 58%; left: 85%; animation-delay: 1s; }
.product-visual .particle:nth-child(3) { top: 82%; left: 18%; animation-delay: 2s; }
.product-visual .particle:nth-child(4) { top: 38%; left: 92%; animation-delay: 1.5s; }
.product-visual .particle:nth-child(5) { top: 8%; left: 68%; animation-delay: 0.5s; }

/* Kimya formülü rozeti */
.product-visual .chemical-formula {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 12px;
    border-radius: 20px;
    font-family: var(--font-mono, 'Consolas', monospace);
    font-size: 12px;
    color: #01ADD8;
    font-weight: 700;
    backdrop-filter: blur(8px);
}

@keyframes atomPulse {
    0%, 100% { box-shadow: 0 0 16px rgba(255,255,255,0.25); opacity: 1; }
    50% { box-shadow: 0 0 24px rgba(255,255,255,0.5); opacity: 0.95; }
}

@keyframes atomPulseCenter {
    0%, 100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 20px rgba(255,255,255,0.3); }
    50% { transform: translate(-50%, -50%) scale(1.1); box-shadow: 0 0 30px rgba(255,255,255,0.5); }
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.4; }
    50% { transform: translateY(-15px) translateX(8px); opacity: 0.9; }
}

/* Ürün adı - görselin altında */
.product-name-card .product-name {
    padding: var(--space-6) var(--space-12);
    text-align: center;
    background: var(--color-white);
}

.product-name-card .product-name h1 {
    font-size: clamp(1.15rem, 2.2vw, 1.6rem);
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
    line-height: 1.4;
    word-break: break-word;
    letter-spacing: -0.02em;
}

.product-detail-info {
    padding: var(--space-8) var(--space-12) var(--space-10);
}

.product-detail-info > p {
    font-size: var(--text-base);
    color: var(--color-ink-muted);
    line-height: 1.7;
    margin: 0 0 var(--space-6);
}

.product-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.product-detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(11, 61, 92, 0.06);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
}

.product-detail-content {
    padding: 0 0 var(--space-6) 0;
}

.product-detail-content h2 {
    font-size: var(--text-xl);
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
}

.product-detail-actions {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.product-detail-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

/* ============ Ürün Sayfası Sekmeler ============ */
.product-tabs-wrapper {
    margin-top: 0;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(11, 61, 92, 0.08);
    overflow: hidden;
}

.product-tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    background: linear-gradient(180deg, var(--color-snow) 0%, var(--color-white) 100%);
    border-bottom: 2px solid rgba(11, 61, 92, 0.08);
    padding: 0 var(--space-4);
}

.product-tabs-nav .tab-btn {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-ink-muted);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-sans);
    margin-bottom: -2px;
}

.product-tabs-nav .tab-btn:hover {
    color: var(--color-primary);
}

.product-tabs-nav .tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}

.product-tabs-nav .tab-btn.hidden {
    display: none !important;
}

.product-tabs-content {
    padding: var(--space-8);
}

.product-tabs-content .tab-pane {
    display: none;
    animation: tabFadeIn 0.3s ease;
}

.product-tabs-content .tab-pane.active {
    display: block;
}

.product-tabs-content .tab-pane.hidden {
    display: none !important;
}

@keyframes tabFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.tab-pane-content h3 {
    font-size: var(--text-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.tab-pane-content p {
    margin-bottom: var(--space-4);
    color: var(--color-ink-muted);
    line-height: 1.7;
}

.tab-pane-content ul {
    list-style: none;
    padding: 0;
    margin: var(--space-4) 0;
}

.tab-pane-content ul li {
    padding: var(--space-2) 0;
    padding-left: var(--space-6);
    position: relative;
    color: var(--color-ink-muted);
}

.tab-pane-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.tab-spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-4) 0;
    font-size: var(--text-sm);
}

.tab-spec-table th,
.tab-spec-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid rgba(11, 61, 92, 0.08);
}

.tab-spec-table th {
    font-weight: 600;
    color: var(--color-primary);
    width: 40%;
}

.tab-spec-table td {
    color: var(--color-ink-muted);
}

.tab-pane-content .spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
}

.tab-pane-content .spec-item {
    padding: var(--space-4);
    background: var(--color-snow);
    border-radius: var(--radius-md);
}

.tab-pane-content .spec-item strong {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-1);
}

.tab-pane-content .spec-item span {
    font-size: var(--text-base);
    color: var(--color-ink);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-item {
    margin-bottom: var(--space-6);
}

.contact-item h3 {
    font-size: var(--text-sm);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.contact-form-container {
    background: var(--color-snow);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
}

.contact-form .form-group {
    margin-bottom: var(--space-4);
}

.contact-form label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-ink);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--text-base);
    transition: var(--transition-base);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.1);
}

.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

/* ============ İLETİŞİM SAYFASI (page-iletisim) ============ */
.page-iletisim .contact-section { padding-top: var(--space-12); }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: var(--space-12);
    align-items: start;
}
/* Sol blok: tek kart (adres + iletişim bilgileri) */
.page-iletisim .contact-main {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--color-snow);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.06);
}
.page-iletisim .contact-main .contact-card {
    background: none;
    padding: 0;
    border: none;
    border-radius: 0;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    margin-bottom: var(--space-6);
}
.page-iletisim .contact-main .contact-details {
    margin-top: 0;
}
.contact-card__title {
    font-size: var(--text-sm);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}
.contact-card__company {
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: var(--space-3);
}
.contact-address {
    font-style: normal;
    color: var(--color-ink-muted);
    line-height: 1.6;
}
/* İletişim bilgileri bölümü başlığı */
.page-iletisim .contact-details__heading {
    font-size: var(--text-sm);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}
.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}
.contact-detail-item {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--space-2);
}
.contact-detail__label {
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    min-width: 5rem;
}
.contact-detail__value {
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
}
.contact-detail__value:hover { text-decoration: underline; }
.contact-form-wrap {
    background: var(--color-snow);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.06);
}
.contact-form__heading {
    margin-bottom: var(--space-6);
    font-size: var(--text-xl);
    color: var(--color-ink);
}
.page-iletisim .contact-form .form-group { margin-bottom: var(--space-4); }
.page-iletisim .contact-form label { font-weight: 600; margin-bottom: var(--space-2); color: var(--color-ink); }
.page-iletisim .contact-form input,
.page-iletisim .contact-form textarea,
.page-iletisim .contact-form select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--text-base);
    transition: var(--transition-base);
}
.page-iletisim .contact-form select {
    cursor: pointer;
    appearance: auto;
}
.page-iletisim .contact-form input:focus,
.page-iletisim .contact-form textarea:focus,
.page-iletisim .contact-form select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.1);
}
.page-iletisim .contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}
.contact-form .required { color: var(--color-accent); }
.contact-form__submit { margin-top: var(--space-2); }

.contact-map-section {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
    background: var(--color-snow);
}
.contact-map-section .section-title { margin-bottom: var(--space-2); }
.contact-map__intro {
    text-align: center;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-6);
}
.contact-map-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 0 auto;
}
.contact-map-iframe {
    width: 100%;
    height: 450px;
    display: block;
    border: 0;
}

.contact-departments { padding-bottom: var(--space-12); }
.contact-departments__intro {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-8);
    color: var(--color-ink-muted);
}
.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-4);
}
.department-card {
    background: var(--color-white);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition: var(--transition-base);
}
.department-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(0, 168, 150, 0.08);
}
.department-card__title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: var(--space-2);
}
.department-card__email,
.department-card__phone {
    display: block;
    color: var(--color-primary);
    font-size: var(--text-sm);
    text-decoration: none;
}
.department-card__email:hover,
.department-card__phone:hover { text-decoration: underline; }
.department-card__phone { margin-bottom: var(--space-1); }
.department-card--etik .department-card__title { margin-bottom: var(--space-2); }

.contact-social {
    background: var(--color-snow);
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
}
.contact-social__intro {
    text-align: center;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-6);
}
.social-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}
.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    padding: 0;
    background: var(--color-white);
    color: var(--color-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 1px solid rgba(15, 23, 42, 0.08);
    transition: var(--transition-base);
}
.social-link__icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}
.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

@media (max-width: 992px) {
    .contact-grid { grid-template-columns: 1fr; }
    .contact-form .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .contact-content { grid-template-columns: 1fr; }
    .departments-grid { grid-template-columns: 1fr; }
    .contact-map-iframe { height: 320px; }
}

/* ============ MEDYA SAYFASI (page-medya) ============ */
.page-medya .media-section { padding-top: var(--space-12); padding-bottom: var(--space-14); }
.media-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}
.media-tab {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-ink-muted);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: inherit;
}
.media-tab:hover {
    color: var(--color-primary);
    background: rgba(0, 168, 150, 0.06);
}
.media-tab.active {
    color: var(--color-primary);
    background: rgba(0, 168, 150, 0.1);
}
.tab-panels { position: relative; }
.tab-panel {
    display: none;
}
.tab-panel.active {
    display: block;
    animation: tabFadeIn 0.25s ease;
}
@keyframes tabFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.media-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}
.media-card-v2 {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.06);
    overflow: hidden;
    transition: var(--transition-base);
}
.media-card-v2:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 168, 150, 0.2);
}
.media-card-v2__link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.media-card-v2__image {
    position: relative;
    aspect-ratio: 400 / 240;
    background: var(--color-snow);
    overflow: hidden;
}
.media-card-v2__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}
.media-card-v2:hover .media-card-v2__image img {
    transform: scale(1.04);
}
.media-card-v2__image--event { position: relative; }
.media-card-v2__badge {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
}
.media-card-v2__body {
    padding: var(--space-5) var(--space-5) var(--space-6);
}
.media-card-v2__date {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--space-2);
}
.media-card-v2__title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-ink);
    margin: 0 0 var(--space-3);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.media-card-v2__excerpt {
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    line-height: 1.6;
    margin: 0 0 var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.media-card-v2__cta {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: color 0.2s ease;
}
.media-card-v2__cta::after {
    content: '';
    width: 0.4em;
    height: 0.4em;
    border-right: 2px solid currentColor;
    border-top: 2px solid currentColor;
    transform: rotate(45deg);
    margin-left: var(--space-1);
}
.media-card-v2:hover .media-card-v2__cta {
    color: var(--color-primary);
}

@media (max-width: 1024px) {
    .media-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .media-tabs { gap: var(--space-1); margin-bottom: var(--space-8); }
    .media-tab { padding: var(--space-2) var(--space-4); font-size: var(--text-sm); }
    .media-cards { grid-template-columns: 1fr; gap: var(--space-6); }
    .media-card-v2__body { padding: var(--space-4); }
    .media-card-v2__title { -webkit-line-clamp: 2; }
}

/* ============ BLOG SAYFASI ============ */
.page-blog .blog-section,
.page-blog-category .blog-section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-24);
}
.blog-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}
.blog-cat {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-ink-muted);
    background: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-base);
}
.blog-cat:hover {
    color: var(--color-primary);
    background: rgba(0, 168, 150, 0.06);
}
.blog-cat.active {
    color: var(--color-primary);
    background: rgba(0, 168, 150, 0.1);
}
.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}
.blog-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.06);
    overflow: hidden;
    transition: var(--transition-base);
}
.blog-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 168, 150, 0.2);
}
.blog-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.blog-card__image {
    aspect-ratio: 400 / 240;
    background: var(--color-snow);
    overflow: hidden;
}
.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}
.blog-card:hover .blog-card__image img {
    transform: scale(1.04);
}
.blog-card__body {
    padding: var(--space-5) var(--space-5) var(--space-6);
}
.blog-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    margin-bottom: var(--space-2);
}
.blog-card__category {
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.blog-card__title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-ink);
    margin: 0 0 var(--space-3);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    line-height: 1.6;
    margin: 0 0 var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card__cta {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    transition: color 0.2s ease;
}
.blog-card__cta::after {
    content: '';
    width: 0.4em;
    height: 0.4em;
    border-right: 2px solid currentColor;
    border-top: 2px solid currentColor;
    transform: rotate(45deg);
    margin-left: var(--space-1);
}
.blog-card:hover .blog-card__cta {
    color: var(--color-primary);
}

.page-blog-post .article-section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-24);
}
.article-detail__body.prose h2 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-ink);
    margin: var(--space-8) 0 var(--space-4);
    line-height: 1.3;
}
.article-detail__body.prose h2:first-child {
    margin-top: 0;
}

@media (max-width: 768px) {
    .blog-grid { grid-template-columns: 1fr; }
}
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-ink);
}

.faq-question:hover {
    background: var(--color-snow);
}

.faq-toggle {
    font-size: var(--text-xl);
    color: var(--color-accent);
    transition: var(--transition-base);
}

.faq-answer {
    padding: 0 var(--space-6) var(--space-4);
}

.faq-answer p {
    margin: 0;
    padding: var(--space-4);
    background: var(--color-snow);
    border-radius: var(--radius-md);
    color: var(--color-ink-muted);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* ============ LEGACY COMPATIBILITY ============ */
.bg-white { background: var(--color-white); }
.bg-light { background: var(--color-snow); }
.about-content { max-width: 900px; margin: 0 auto; }
.values-list, .media-grid, .job-listings, .values-grid, .case-studies { margin: var(--space-8) 0; }
.media-card, .job-card, .value-card, .catalog-item, .case-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition: var(--transition-base);
}
.media-card:hover, .job-card:hover, .value-card:hover, .catalog-item:hover, .case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.tab-btn, .faq-item, .form-group, .conversion-table { /* mevcut stiller korunuyor */ }

/* ============ BACK TO TOP - Kimya Temalı ============ */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(33, 52, 105, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, box-shadow 0.2s ease;
    z-index: 9998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    box-shadow: 0 6px 28px rgba(1, 173, 216, 0.5);
    transform: translateY(-2px);
}

.back-to-top:active {
    transform: translateY(0);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
    }
    .back-to-top svg {
        width: 20px;
        height: 20px;
    }
}