/* ═══════════════════════════════════════════════════════════
   VETRA ELEKTRONİK — Kurumsal Tasarım Sistemi
   Premium Corporate Design System
   ═══════════════════════════════════════════════════════════ */

/* ── 1. CSS Değişkenleri ────────────────────────────────── */
:root {
    /* Marka Renkleri — Kurumsal Mavi */
    --primary-50:  #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    --primary:     #2563eb;

    /* Aksan / CTA Renk */
    --accent-50:  #fff7ed;
    --accent-100: #ffedd5;
    --accent-200: #fed7aa;
    --accent-300: #fdba74;
    --accent-400: #fb923c;
    --accent-500: #f97316;
    --accent-600: #ea580c;
    --accent:     #f97316;

    /* Nötr Tonlar */
    --slate-50:  #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;

    /* Durum Renkleri */
    --success: #059669;
    --warning: #d97706;
    --danger:  #dc2626;
    --info:    #0891b2;

    /* Yüzeyler */
    --bg-body:    #ffffff;
    --bg-alt:     #f8fafc;
    --bg-card:    #ffffff;
    --border:     #e2e8f0;
    --border-light: #f1f5f9;

    /* Gölgeler */
    --shadow-xs:  0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.15);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 6px 16px rgba(0,0,0,0.06);
    --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.06), 0 16px 32px rgba(0,0,0,0.1);

    /* Tipografi */
    --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;

    /* Boyutlar */
    --container-max: 1240px;
    --navbar-height: 72px;
    --top-bar-height: 40px;
    --radius-sm:  6px;
    --radius-md:  10px;
    --radius-lg:  16px;
    --radius-xl:  24px;
    --radius-full: 9999px;

    /* Geçişler */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── 2. Reset & Base ────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: calc(var(--navbar-height) + var(--top-bar-height) + 24px);
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--slate-700);
    background: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--primary-700); }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--slate-900);
    line-height: 1.25;
    font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.625rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ── 3. Yardımcı Sınıflar ──────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 96px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-50);
    color: var(--primary-600);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid var(--primary-100);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-header p {
    color: var(--slate-500);
    font-size: 1.0625rem;
    margin-top: 16px;
    line-height: 1.8;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center { text-align: center; }
.text-primary { color: var(--primary) !important; }

/* ── 4. Butonlar ────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-body);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.5;
    white-space: nowrap;
}
.btn i { font-size: 0.875rem; }

.btn-sm {
    padding: 8px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
    background: var(--primary-700);
    border-color: var(--primary-700);
    color: #fff;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.25);
}
.btn-accent:hover {
    background: var(--accent-600);
    border-color: var(--accent-600);
    color: #fff;
    box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary-200);
}
.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary);
    color: var(--primary-700);
}

.btn-white {
    background: #fff;
    color: var(--primary-700);
    border-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.btn-white:hover {
    background: var(--primary-50);
    color: var(--primary-800);
    transform: translateY(-1px);
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}
.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--slate-600);
    border-color: transparent;
    padding: 8px 16px;
}
.btn-ghost:hover {
    background: var(--slate-100);
    color: var(--slate-800);
}

/* ── 5. Üst Bilgi Çubuğu ───────────────────────────────── */
.top-bar {
    background: var(--slate-900);
    color: var(--slate-300);
    font-size: 0.8125rem;
    height: var(--top-bar-height);
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1001;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.top-bar-left,
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar a {
    color: var(--slate-300);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-fast);
}
.top-bar a:hover { color: #fff; }

.top-bar i { font-size: 0.75rem; }

.top-bar-social {
    display: flex;
    gap: 12px;
    padding-left: 16px;
    border-left: 1px solid var(--slate-700);
}
.top-bar-social a { font-size: 0.8125rem; }

/* ── 6. Navigasyon / Navbar ─────────────────────────────── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    height: var(--navbar-height);
    transition: all var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: transparent;
}

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

/* Logo */
.navbar-brand,
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.navbar-brand img {
    height: 100px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.logo-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--slate-900);
}

.logo-sub {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-500);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Nav Links */
.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    display: block;
    padding: 8px 16px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--slate-600);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-50);
}

.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.nav-item-cta {
    margin-left: 12px;
}

/* Hamburger Menü */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
}
.navbar-toggle:hover { background: var(--slate-100); }

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 22px;
}

.hamburger span {
    display: block;
    height: 2px;
    background: var(--slate-700);
    border-radius: 2px;
    transition: all var(--transition);
    transform-origin: center;
}

.navbar-toggle.active .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.navbar-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.navbar-toggle.active .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── 7. Hero Section ────────────────────────────────────── */
.hero {
    position: relative;
    padding: 80px 0 96px;
    background: linear-gradient(135deg, var(--primary-50) 0%, #ffffff 50%, var(--accent-50) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(249,115,22,0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: #fff;
    border: 1px solid var(--primary-100);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary-600);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.hero-badge i {
    color: var(--accent);
}

.hero h1 {
    color: var(--slate-900);
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text {
    font-size: 1.125rem;
    color: var(--slate-500);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-600);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.8125rem;
    color: var(--slate-400);
    margin-top: 4px;
    font-weight: 500;
}

/* Hero Sağ Taraf — Hizmet Kartları Grid */
.hero-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    position: relative;
}

.hero-service-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.hero-service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--primary-200);
}

.hero-service-card:nth-child(2) { margin-top: 32px; }
.hero-service-card:nth-child(3) { margin-top: -16px; }

.hero-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.hero-service-card h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.hero-service-card p {
    font-size: 0.8125rem;
    color: var(--slate-400);
    line-height: 1.5;
}

/* ── 8. İstatistik Bandı ────────────────────────────────── */
.stats-band {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 48px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item {
    position: relative;
    padding: 16px;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 48px;
    background: var(--border);
}

.stat-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
    font-size: 1.375rem;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--slate-900);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-value span {
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--slate-400);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── 9. Hizmet Kartları ─────────────────────────────────── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-accent, var(--primary));
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: left;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
    transition: all var(--transition);
}

.service-card h4 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--slate-800);
}

.service-card p {
    font-size: 0.875rem;
    color: var(--slate-500);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    transition: all var(--transition-fast);
}
.service-link i {
    transition: transform var(--transition-fast);
}
.service-link:hover { gap: 10px; }
.service-link:hover i { transform: translateX(2px); }

/* ── 10. Proje Kartları ─────────────────────────────────── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

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

.project-card-header {
    padding: 32px 28px 24px;
    position: relative;
}

.project-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--primary-50);
    color: var(--primary-600);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.project-card h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--slate-800);
}

.project-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.project-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--slate-400);
}

.project-meta-item i {
    color: var(--slate-300);
    font-size: 0.75rem;
}

.project-card-footer {
    padding: 16px 28px;
    background: var(--slate-50);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-year {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary);
}

/* ── 11. Markalar Bölümü ────────────────────────────────── */
.brands-strip {
    padding: 64px 0;
    background: var(--bg-alt);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.brands-marquee {
    display: flex;
    gap: 48px;
    align-items: center;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
}

.brands-track {
    display: flex;
    gap: 48px;
    align-items: center;
    animation: marquee 30s linear infinite;
    flex-shrink: 0;
}

.brand-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    height: 56px;
    padding: 12px 24px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    flex-shrink: 0;
}

.brand-item:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md);
}

.brand-item img {
    max-height: 32px;
    width: auto;
    filter: grayscale(0%);
    opacity: 1;
    transition: all var(--transition);
}

.brand-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.brand-item span {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--slate-500);
    transition: color var(--transition);
}

.brand-item:hover span {
    color: var(--primary);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-100% - 48px)); }
}

/* ── 12. CTA Bölümü ─────────────────────────────────────── */
.section-cta {
    padding: 96px 0;
    background: var(--bg-alt);
}

.cta-card {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-500));
    border-radius: var(--radius-xl);
    padding: 72px 64px;
    position: relative;
    overflow: hidden;
    color: #fff;
    text-align: center;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-card .section-badge {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-color: rgba(255,255,255,0.2);
}

.cta-card h2 {
    color: #fff;
    margin-bottom: 16px;
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
}

.cta-card .text-gradient {
    background: linear-gradient(135deg, var(--accent-300), var(--accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-card p {
    color: rgba(255,255,255,0.8);
    font-size: 1.0625rem;
    max-width: 580px;
    margin: 0 auto 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* CTA Dekorasyon */
.cta-decorations {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}

.cta-circle-1 { width: 300px; height: 300px; top: -100px; right: -80px; }
.cta-circle-2 { width: 200px; height: 200px; bottom: -60px; left: -40px; }
.cta-circle-3 { width: 150px; height: 150px; top: 50%; left: 60%; }

/* ── 13. Footer ─────────────────────────────────────────── */
.footer {
    background: var(--slate-900);
    color: var(--slate-400);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo-name { color: #fff; }
.footer-brand .logo-sub { color: var(--primary-400); }
.footer-brand .logo-icon {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
    box-shadow: 0 2px 8px rgba(37,99,235,0.4);
}

.footer-desc {
    margin-top: 20px;
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--slate-400);
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: var(--slate-400);
    font-size: 0.9375rem;
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul a {
    color: var(--slate-400);
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.footer-col ul a::before {
    content: '';
    width: 0;
    height: 1px;
    background: var(--primary-400);
    transition: width var(--transition);
}

.footer-col ul a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-col ul a:hover::before { width: 12px; }

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.contact-list li a {
    display: flex;
    align-items: center;
    gap: 12px;
}
.contact-list li a::before { display: none; }

.contact-list i {
    color: var(--primary-400);
    font-size: 0.875rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-bottom {
    padding: 24px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    color: var(--slate-500);
}

.footer-credit a {
    color: var(--primary-400);
    font-weight: 500;
}
.footer-credit a:hover { color: var(--primary-300); }

/* ── 14. WhatsApp & Scroll Top ──────────────────────────── */
.whatsapp-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25d366;
    color: #fff;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 16px rgba(37,211,102,0.4);
    z-index: 999;
    transition: all var(--transition);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-fab:hover {
    transform: scale(1.1);
    color: #fff;
    box-shadow: 0 6px 24px rgba(37,211,102,0.5);
}

@keyframes pulse-whatsapp {
    0%, 100% { box-shadow: 0 4px 16px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 4px 24px rgba(37,211,102,0.6); }
}

.scroll-top {
    position: fixed;
    bottom: 24px;
    right: 92px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition);
}

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

.scroll-top:hover {
    background: var(--primary-700);
    transform: translateY(-2px);
}

/* ── 15. Sayfa Başlığı (Alt Sayfalar) ──────────────────── */
.page-header {
    background: linear-gradient(135deg, var(--primary-50) 0%, #ffffff 60%, var(--accent-50) 100%);
    padding: 56px 0 48px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37,99,235,0.04), transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
}

.page-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 12px;
    position: relative;
}

.page-header p {
    color: var(--slate-500);
    font-size: 1.0625rem;
    max-width: 560px;
    margin: 0 auto;
    position: relative;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.875rem;
    color: var(--slate-400);
    position: relative;
}

.breadcrumb a {
    color: var(--slate-400);
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .separator { color: var(--slate-300); }
.breadcrumb .current { color: var(--primary-600); font-weight: 500; }

/* ── 16. Hakkımızda Sayfası ─────────────────────────────── */
.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-image-placeholder {
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    border: 1px solid var(--primary-100);
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.about-image-placeholder i {
    font-size: 4rem;
    color: var(--primary-300);
}

.about-founded {
    position: absolute;
    bottom: -24px;
    right: -24px;
    background: var(--primary);
    color: #fff;
    padding: 20px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.about-founded strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
}

.about-founded span {
    font-size: 0.75rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.feature-list {
    margin-top: 24px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-light);
}

.feature-item:last-child { border-bottom: none; }

.feature-item-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-50);
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-item h5 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.8125rem;
    color: var(--slate-500);
}

/* Misyon - Vizyon */
.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.mv-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    transition: all var(--transition);
}

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

.mv-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.375rem;
    margin-bottom: 24px;
}

.mv-card h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.mv-card p {
    color: var(--slate-500);
    font-size: 0.9375rem;
    line-height: 1.8;
}

/* Değerler */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: all var(--transition);
}

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

.value-card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.value-card h4 {
    margin-bottom: 12px;
}

.value-card p {
    font-size: 0.875rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* ── 17. Hizmetler Sayfa Kart Grid ─────────────────────── */
.services-page-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-page-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-page-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-accent, var(--primary));
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: left;
}

.service-page-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

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

.service-page-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.service-page-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--slate-800);
}

.service-page-card p.desc {
    color: var(--slate-500);
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.9375rem;
    color: var(--slate-600);
    border-bottom: 1px solid var(--border-light);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features li i {
    color: var(--success);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.service-visual {
    background: linear-gradient(135deg, var(--primary-50), var(--accent-50));
    border-radius: var(--radius-xl);
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-visual i {
    font-size: 5rem;
    color: var(--primary-200);
}

.service-brands {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.brand-tag {
    padding: 4px 14px;
    background: var(--primary-50);
    color: var(--primary-600);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid var(--primary-100);
}

/* ── 18. Ürünler / Markalar Sayfası ─────────────────────── */
.brands-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.brand-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.brand-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--primary-200);
}

.brand-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.brand-card-logo {
    width: 56px;
    height: 56px;
    background: var(--slate-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border);
    overflow: hidden;
    padding: 8px;
}

.brand-card-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.brand-card-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.brand-card-category {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
}

.brand-card p {
    font-size: 0.875rem;
    color: var(--slate-500);
    line-height: 1.7;
    flex-grow: 1;
}

/* Kategori Filtreleme */
.category-filter {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 8px 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--slate-600);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-body);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37,99,235,0.25);
}

/* ── 19. Market / Ürün Kataloğu ─────────────────────────── */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

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

.product-card-image {
    background: var(--slate-50);
    padding: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    position: relative;
    border-bottom: 1px solid var(--border-light);
}

.product-card-image img {
    max-height: 80px;
    width: auto;
    object-fit: contain;
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-badge.popular {
    background: var(--primary-50);
    color: var(--primary-600);
    border: 1px solid var(--primary-100);
}

.product-badge.new {
    background: #ecfdf5;
    color: var(--success);
    border: 1px solid #a7f3d0;
}

.product-card-body {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-card-category {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin-bottom: 8px;
}

.product-card h4 {
    font-size: 1rem;
    margin-bottom: 8px;
    line-height: 1.4;
}

.product-card-brand {
    font-size: 0.8125rem;
    color: var(--slate-400);
    margin-bottom: 12px;
}

.product-card p.desc {
    font-size: 0.8125rem;
    color: var(--slate-500);
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.product-feature-tag {
    padding: 3px 10px;
    background: var(--slate-50);
    color: var(--slate-600);
    font-size: 0.6875rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
}

.product-card-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.product-price {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--slate-900);
}

.product-price small {
    font-size: 0.6875rem;
    color: var(--slate-400);
    font-weight: 400;
    display: block;
    font-family: var(--font-body);
}

/* ── 20. Blog Sayfası ───────────────────────────────────── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

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

.blog-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.blog-card-image i {
    font-size: 3rem;
    color: var(--primary-200);
}

.blog-card-image .blog-category-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 14px;
    background: #fff;
    color: var(--primary-600);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

.blog-card-body {
    padding: 28px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-meta {
    display: flex;
    gap: 16px;
    font-size: 0.8125rem;
    color: var(--slate-400);
    margin-bottom: 16px;
}

.blog-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-card h3 a {
    color: var(--slate-800);
    transition: color var(--transition-fast);
}
.blog-card h3 a:hover { color: var(--primary); }

.blog-card p {
    font-size: 0.875rem;
    color: var(--slate-500);
    line-height: 1.7;
    flex-grow: 1;
}

.blog-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}
.blog-card .read-more i { transition: transform var(--transition-fast); }
.blog-card .read-more:hover i { transform: translateX(4px); }

/* ── 21. İletişim Sayfası ───────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: all var(--transition);
}

.contact-info-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.contact-info-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-50);
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-info-card h4 {
    font-size: 0.9375rem;
    margin-bottom: 6px;
}

.contact-info-card p,
.contact-info-card a {
    font-size: 0.875rem;
    color: var(--slate-500);
}
.contact-info-card a:hover { color: var(--primary); }

.contact-info-card .detail {
    font-size: 0.75rem;
    color: var(--slate-400);
    margin-top: 4px;
}

/* Sosyal Medya (İletişim) */
.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.contact-why {
    margin-top: 32px;
    background: var(--primary-50);
    border: 1px solid var(--primary-100);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.contact-why h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--primary-700);
}

.contact-why ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.875rem;
    color: var(--slate-600);
}

.contact-why ul li i {
    color: var(--success);
    font-size: 0.8125rem;
}

/* Form */
.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-card);
}

.contact-form-card h3 {
    margin-bottom: 8px;
}

.contact-form-card > p {
    color: var(--slate-500);
    margin-bottom: 32px;
    font-size: 0.9375rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--slate-700);
}

.form-label .required {
    color: var(--danger);
}

.form-control {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-family: var(--font-body);
    color: var(--slate-800);
    background: #fff;
    transition: all var(--transition-fast);
    outline: none;
}

.form-control::placeholder { color: var(--slate-300); }

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

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

.form-submit {
    margin-top: 8px;
}

/* ── 22. Scroll Animasyonları ───────────────────────────── */
.fade-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* Counter Animasyonu */
.counter[data-target] {
    display: inline-block;
}

/* ── 23. Responsive ─────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { max-width: 460px; margin: 0 auto; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .brands-detail-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .about-intro-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:not(:last-child)::after { display: none; }
    .mv-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .services-page-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
}

/* Mobil */
@media (max-width: 768px) {
    :root {
        --navbar-height: 64px;
    }

    .section { padding: 64px 0; }
    .section-header { margin-bottom: 40px; }

    /* Top Bar */
    .top-bar { display: none; }

    /* Navbar Mobil */
    .navbar-toggle { display: block; }

    .navbar-menu {
        display: none;
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        padding: 24px;
        z-index: 999;
        overflow-y: auto;
    }

    .navbar-menu.open { display: block; }

    .nav-list {
        flex-direction: column;
        gap: 4px;
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 1rem;
        border-radius: var(--radius-md);
    }

    .nav-link.active::after { display: none; }

    .nav-link.active {
        background: var(--primary-50);
    }

    .nav-item-cta {
        margin-left: 0;
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid var(--border);
    }

    .nav-item-cta .btn { width: 100%; justify-content: center; }

    /* Hero Mobil */
    .hero { padding: 48px 0 64px; }
    .hero-visual { display: none; }
    .hero-stats { gap: 24px; }
    .hero-stat-value { font-size: 1.375rem; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; justify-content: center; }

    /* Grid'ler */
    .services-grid { grid-template-columns: 1fr; }
    .services-page-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .brands-detail-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .form-grid { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

    /* CTA */
    .cta-card { padding: 40px 24px; }
    .contact-form-card { padding: 28px 20px; }

    .category-filter { gap: 6px; }
    .filter-btn { padding: 6px 14px; font-size: 0.75rem; }

    .whatsapp-fab { width: 48px; height: 48px; bottom: 16px; right: 16px; font-size: 1.25rem; }
    .scroll-top { bottom: 16px; right: 72px; width: 40px; height: 40px; }
}

/* Küçük Mobil */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }
    .hero-stat { flex: 1; min-width: 70px; }
}

/* ── 24. Print ──────────────────────────────────────────── */
@media print {
    .top-bar, .navbar, .whatsapp-fab, .scroll-top, .section-cta,
    .navbar-toggle { display: none !important; }
    body { color: #000; }
    .footer { background: #fff; color: #000; }
}