/* 
   Terea - Vozol - Coil Satış Sitesi Premium Tasarım
   CSS Tasarım Sistemi
*/

/* Değişken Tanımlamaları - Açık Tema (Varsayılan) */
:root {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --primary: #10b981; /* WhatsApp/Zümrüt Yeşil */
    --primary-hover: #059669;
    --accent: #059669;
    --accent-glow: rgba(5, 150, 105, 0.08);
    --secondary-accent: #0284c7;
    --price-color: #059669;
    --old-price-color: #dc2626;
    --badge-bg: #e0e7ff;
    --badge-text: #312e81;
    --header-bg: rgba(248, 250, 252, 0.85);
    --announcement-bg: #f1f5f9;
    --announcement-text: #334155;
    --footer-bg: #f1f5f9;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px 2px rgba(16, 185, 129, 0.1);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Koyu Tema Değişkenleri (Kullanıcı isterse geçebilir) */
body.dark-theme {
    --bg-color: #04060a;
    --card-bg: #0b0f17;
    --card-border: rgba(255, 255, 255, 0.05);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --primary: #10b981;
    --primary-hover: #059669;
    --accent: #10b981;
    --accent-glow: rgba(16, 185, 129, 0.08);
    --secondary-accent: #38bdf8;
    --price-color: #10b981;
    --old-price-color: #ef4444;
    --badge-bg: #1e1b4b;
    --badge-text: #c7d2fe;
    --header-bg: rgba(4, 6, 10, 0.85);
    --announcement-bg: #090d16;
    --announcement-text: #cbd5e1;
    --footer-bg: #020306;
    --shadow-glow: 0 0 20px 2px rgba(16, 185, 129, 0.15);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Temel Sıfırlamalar ve Yapı */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
    padding-bottom: 70px; /* Mobil alt menü için pay */
}

@media (min-width: 768px) {
    body {
        padding-bottom: 0;
    }
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    outline: none;
    transition: var(--transition);
}

/* Screen reader only utility class for SEO */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Üst Bilgi Şeridi (Announcement Bar) */
.announcement-bar {
    background-color: var(--announcement-bg);
    color: var(--announcement-text);
    font-size: 12px;
    font-weight: 500;
    padding: 6px 0;
    border-bottom: 1px solid var(--card-border);
}

.bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.bar-link {
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
}

.bar-link:hover {
    text-shadow: 0 0 8px rgba(37, 211, 102, 0.4);
}

/* HEADER KISMI */
.main-header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.header-container {
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
}

.logo-accent {
    margin-left: 2px;
    background: linear-gradient(135deg, var(--accent) 0%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-nav {
    display: none;
    align-items: center;
    gap: 20px;
    margin-left: 10px;
}

@media (min-width: 768px) {
    .header-nav {
        display: flex;
    }
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

body.light-theme .nav-link:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

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

/* Arama Kutusu Modülü */

/* Header Eylemleri */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-header-whatsapp {
    background-color: rgba(16, 185, 129, 0.08);
    color: var(--primary);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-header-whatsapp:hover {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: var(--shadow-glow);
    transform: translateY(-1.5px);
}

.btn-theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-primary);
}

.btn-theme-toggle:hover {
    background-color: var(--card-border);
    transform: rotate(15deg);
}

/* Mobilde Arama Çubuğu (Sadece mobilde görünür) */
.mobile-search-container {
    padding-top: 10px;
    padding-bottom: 2px;
}

.mobile-search {
    max-width: 100%;
}

@media (min-width: 768px) {
    .mobile-search-container {
        display: none;
    }
}

@media (max-width: 767px) {
    .main-header .search-box {
        display: none;
    }
}

/* HERO SECTION (Split Grid Layout) */
.hero-section {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
    background: radial-gradient(circle at top, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
    border-bottom: 1px solid var(--card-border);
}

.hero-grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

@media (min-width: 992px) {
    .hero-grid-container {
        grid-template-columns: 1.2fr 1fr;
        text-align: left;
    }
}

/* Sol Kolon */
.hero-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

@media (min-width: 992px) {
    .hero-left {
        align-items: flex-start;
        text-align: left;
    }
}

.hero-tagline {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.05);
    backdrop-filter: blur(4px);
}

.hero-tagline i {
    font-size: 12px;
    animation: pulse-icon 2s infinite;
}

@keyframes pulse-icon {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(34px, 5.5vw, 56px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 18px;
    letter-spacing: -1.2px;
    color: var(--text-primary);
}

.title-highlight {
    background: linear-gradient(135deg, var(--accent) 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-description {
    font-size: clamp(14px, 1.8vw, 16px);
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 30px;
    line-height: 1.65;
}

/* Çift Buton Grubu */
.hero-actions-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
    margin-bottom: 45px;
    align-items: center;
}

@media (min-width: 576px) {
    .hero-actions-container {
        flex-direction: row;
        justify-content: center;
        width: auto;
    }
}

@media (min-width: 992px) {
    .hero-actions-container {
        justify-content: flex-start;
    }
}

.btn-hero-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
    color: white;
    padding: 16px 36px;
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.4);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    animation: pulse-btn 2.5s infinite;
    width: 100%;
}

@media (min-width: 576px) {
    .btn-hero-whatsapp {
        width: auto;
    }
}

@keyframes pulse-btn {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4), 0 10px 25px -5px rgba(16, 185, 129, 0.3); }
    70% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0), 0 10px 25px -5px rgba(16, 185, 129, 0.3); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0), 0 10px 25px -5px rgba(16, 185, 129, 0.3); }
}

.btn-hero-whatsapp::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    transition: 0.75s;
    animation: shine 3.5s infinite;
}

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

.btn-hero-whatsapp:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 30px rgba(16, 185, 129, 0.5);
}

.btn-hero-whatsapp .btn-icon {
    font-size: 24px;
    margin-right: 14px;
    display: flex;
    align-items: center;
}

.btn-hero-whatsapp .btn-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.btn-hero-whatsapp .btn-text small {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.85;
    margin-bottom: 2px;
}

.btn-hero-whatsapp .btn-text strong {
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 800;
}

/* İkincil Eylem Kataloğu Butonu */
.btn-hero-catalog {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    padding: 16px 36px;
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    gap: 10px;
    width: 100%;
}

@media (min-width: 576px) {
    .btn-hero-catalog {
        width: auto;
    }
}

.btn-hero-catalog:hover {
    border-color: var(--text-primary);
    background-color: rgba(0, 0, 0, 0.02);
    transform: translateY(-2px);
}

body.dark-theme .btn-hero-catalog:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

/* İstatistik Ögeleri */
.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
    align-items: center;
}

@media (min-width: 576px) {
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (min-width: 992px) {
    .hero-stats {
        justify-content: flex-start;
    }
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
    color: var(--text-primary);
}

.stat-icon {
    color: var(--accent);
    font-size: 15px;
    background-color: var(--accent-glow);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.stat-item:hover .stat-icon {
    background-color: var(--accent);
    color: white;
    transform: rotate(360deg);
}

/* Sağ Kolon 3D Cam Kart Grafik Alanı */
.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    height: 320px;
}

@media (min-width: 992px) {
    .hero-right {
        height: 480px;
    }
}

.hero-visual-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 420px;
}

.visual-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 22px;
    width: 250px;
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 5;
    text-align: left;
}

body.dark-theme .visual-card {
    background: rgba(15, 23, 42, 0.45);
    border-color: rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.4);
}

.visual-card:hover {
    transform: translateY(-8px) scale(1.03) !important;
    z-index: 10;
    border-color: var(--accent);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    z-index: -1;
    opacity: 0.15;
    filter: blur(20px);
}

.visual-card h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.visual-card p {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-price {
    font-size: 12px;
    font-weight: 800;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-icon {
    font-size: 18px;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

/* Kart 1: Terea (Orange) */
.card-terea {
    top: 5%;
    left: 5%;
    animation: float-terea 7s ease-in-out infinite;
}

.card-terea .card-icon {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

.card-terea .card-glow {
    background: #f97316;
}

.card-terea .card-price {
    color: #f97316;
}

/* Kart 2: Vozol (Pink/Cyan) */
.card-vozol {
    top: 35%;
    right: 5%;
    animation: float-vozol 9s ease-in-out infinite;
}

.card-vozol .card-icon {
    background: linear-gradient(135deg, #ec4899 0%, #a855f7 100%);
}

.card-vozol .card-glow {
    background: #ec4899;
}

.card-vozol .card-price {
    color: #ec4899;
}

/* Kart 3: Coil (Blue) */
.card-coil {
    bottom: 5%;
    left: 20%;
    animation: float-coil 8s ease-in-out infinite;
}

.card-coil .card-icon {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
}

.card-coil .card-glow {
    background: #06b6d4;
}

.card-coil .card-price {
    color: #06b6d4;
}

/* Kart Yüzme Animasyonları */
@keyframes float-terea {
    0% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
    100% { transform: translateY(0) rotate(-1deg); }
}

@keyframes float-vozol {
    0% { transform: translateY(0) rotate(2deg); }
    50% { transform: translateY(-16px) rotate(-1deg); }
    100% { transform: translateY(0) rotate(2deg); }
}

@keyframes float-coil {
    0% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-14px) rotate(0deg); }
    100% { transform: translateY(0) rotate(-2deg); }
}

/* Mobil için Pozisyonlama Ayarlamaları */
@media (max-width: 991px) {
    .hero-right {
        margin-top: 20px;
    }
    
    .visual-card {
        width: 210px;
        padding: 16px;
    }
    
    .card-terea {
        top: 10%;
        left: 0;
    }
    
    .card-vozol {
        top: 25%;
        right: 0;
    }
    
    .card-coil {
        bottom: 10%;
        left: 15%;
    }
}

/* Işık Efektleri (Background Glows) */
.glow-effect {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(120px);
    opacity: 0.12;
    z-index: 1;
    pointer-events: none;
}

body.dark-theme .glow-effect {
    opacity: 0.12;
}

.glow-1 {
    width: 300px;
    height: 300px;
    background-color: var(--primary);
    top: -50px;
    left: 10%;
}

.glow-2 {
    width: 300px;
    height: 300px;
    background-color: var(--secondary-accent);
    bottom: -50px;
    right: 10%;
}

/* KATEGORİ VE ÜRÜNLER KISMI */
.catalog-section {
    padding: 40px 0;
}

/* ── Katalog Bilgi / Açıklama Kutusu ── */
.catalog-info-box {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 18px 22px;
    margin-bottom: 28px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    transition: box-shadow 0.2s;
}

.catalog-info-box:hover {
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.10);
}

.catalog-info-icon {
    font-size: 18px;
    color: var(--accent);
    margin-top: 2px;
    flex-shrink: 0;
}

.catalog-info-text {
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Kategori Filtre Satırı (Ortalanmış) */
.catalog-filters-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 35px;
    width: 100%;
}

.categories-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
}

.categories-list {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 12px;
    overflow-x: auto;
    padding: 6px 4px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* Chrome/Safari için scrollbar gizleme */
.categories-list::-webkit-scrollbar {
    display: none;
}

@media (min-width: 768px) {
    .categories-list {
        justify-content: center;
    }
}

.category-btn {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.category-btn i {
    font-size: 16px;
    transition: var(--transition);
}

.category-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px -4px rgba(16, 185, 129, 0.15);
}

.category-btn.active {
    background: linear-gradient(135deg, var(--accent) 0%, #34d399 100%);
    border-color: var(--accent);
    color: white;
    box-shadow: 0 8px 20px -4px rgba(16, 185, 129, 0.4);
}

.category-btn.active i {
    color: white;
}

/* Ürün Grid Yapısı (Desktop - 4 Kolon) */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    min-height: 400px;
}

/* Ürün Kartı Tasarımı */
.product-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px -10px rgba(16, 185, 129, 0.12);
}

body.dark-theme .product-card {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.5) 0%, rgba(11, 15, 23, 0.8) 100%);
    backdrop-filter: blur(8px);
}

body.dark-theme .product-card:hover {
    border-color: var(--accent);
    box-shadow: 0 20px 40px -10px rgba(16, 185, 129, 0.25);
}

/* Rozet (Badge) */
.product-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: linear-gradient(135deg, var(--accent) 0%, #10b981 100%);
    color: white;
    border: none;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    z-index: 5;
    letter-spacing: 0.8px;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.2);
}

body.dark-theme .product-badge {
    background: linear-gradient(135deg, var(--accent) 0%, #34d399 100%);
    color: white;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

/* Ürün Görsel Alanı */
.product-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%;
    background-color: rgba(0, 0, 0, 0.02);
    border-bottom: 1px solid var(--card-border);
    overflow: hidden;
}

body.dark-theme .product-image-wrapper {
    background-color: rgba(255, 255, 255, 0.01);
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .product-image {
    transform: scale(1.05) rotate(0.5deg);
}

.product-image-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    padding: 20px;
    text-align: center;
}

body.dark-theme .product-image-fallback {
    background: linear-gradient(135deg, #0b0f17 0%, #04060a 100%);
}

.fallback-icon {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 8px;
    opacity: 0.8;
}

.fallback-text {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Ürün Detayları */
.product-info {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-category-name {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.product-title {
    font-family: 'Outfit', sans-serif;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.25;
    color: var(--text-primary);
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card:hover .product-title {
    color: var(--accent);
}

.product-description {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Stok Durumu */
.stock-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 14px;
}

.stock-status .dot {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
}

.stock-status.in-stock {
    color: var(--accent);
}

.stock-status.in-stock .dot {
    background-color: var(--accent);
    box-shadow: 0 0 6px var(--accent);
    animation: pulse-green 2s infinite;
}

.stock-status.out-of-stock {
    color: var(--text-muted);
}

.stock-status.out-of-stock .dot {
    background-color: var(--text-muted);
}

@keyframes pulse-green {
    0% { transform: scale(0.9); opacity: 1; }
    50% { transform: scale(1.25); opacity: 0.6; }
    100% { transform: scale(0.9); opacity: 1; }
}

/* Kart Alt Kısım: Fiyat ve Sipariş Butonu */
.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--card-border);
    padding-top: 14px;
    margin-top: auto;
    gap: 10px;
}

.product-price-container {
    display: flex;
    flex-direction: column;
}

.product-old-price {
    font-size: 11px;
    text-decoration: line-through;
    color: var(--old-price-color);
    font-weight: 500;
    margin-bottom: 1px;
}

.product-price {
    font-size: 19px;
    font-weight: 800;
    color: var(--text-primary);
}

.btn-order-whatsapp {
    background: linear-gradient(135deg, var(--primary) 0%, #059669 100%);
    color: white;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
    transition: var(--transition);
}

.btn-order-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

.btn-order-whatsapp.btn-out-of-stock {
    background-color: var(--card-border);
    color: var(--text-secondary);
    box-shadow: none;
}

.btn-order-whatsapp.btn-out-of-stock:hover {
    background-color: var(--text-muted);
    color: var(--bg-color);
}

/* Boş Durum Görünümü */
.no-products-found {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background-color: var(--card-bg);
    border: 1px dashed var(--card-border);
    border-radius: var(--radius-md);
}

.no-products-found i {
    font-size: 50px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.no-products-found h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.no-products-found p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.btn-secondary {
    background-color: var(--text-primary);
    color: var(--bg-color);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 14px;
}

.btn-secondary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* SEO VE BİLGİLENDİRME YAZILARI */
.info-seo-section {
    background-color: var(--footer-bg);
    border-top: 1px solid var(--card-border);
    padding: 35px 0;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.seo-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
}

.seo-card h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent);
    border-radius: var(--radius-full);
}

.seo-card p {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: justify;
    line-height: 1.7;
}

/* FOOTER KISMI */
.main-footer {
    background-color: var(--footer-bg);
    color: var(--text-secondary);
    border-top: 1px solid var(--card-border);
    padding: 40px 0 20px 0;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.footer-brand .logo {
    margin-bottom: 12px;
}

.footer-desc {
    font-size: 12px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 34px;
    height: 34px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 14px;
}

.social-links a:hover {
    background-color: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links ul li {
    margin-bottom: 8px;
    font-size: 12px;
}

.footer-links ul li a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 12px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact p i {
    color: var(--accent);
    width: 14px;
}

.footer-whatsapp-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--primary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 12px;
    margin-top: 8px;
}

.footer-whatsapp-badge:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--card-border);
    padding-top: 25px;
    font-size: 12px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.disclaimer {
    color: var(--text-muted);
}

/* MOBİL YAPIŞKAN ALT MENÜ (Sticky Bottom Navigation Bar) */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 64px;
    background-color: var(--card-bg);
    border-top: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 99;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .mobile-bottom-nav {
        display: none;
    }
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 500;
    gap: 4px;
    width: 18%;
    height: 100%;
}

.mobile-nav-item i {
    font-size: 18px;
}

.mobile-nav-item:hover,
.mobile-nav-item.active {
    color: var(--accent);
}

.mobile-nav-item.whatsapp-accent {
    color: var(--primary);
}

.mobile-nav-item.whatsapp-accent i {
    font-size: 24px;
    animation: shake 2.5s infinite;
}

@keyframes shake {
    0%, 100% { transform: rotate(0deg); }
    10%, 30%, 50%, 70%, 90% { transform: rotate(-5deg); }
    20%, 40%, 60%, 80% { transform: rotate(5deg); }
}

/* BLOG LİSTELEME TASARIMI */
.blog-header-content {
    text-align: center;
    margin-bottom: 30px;
}

.blog-page-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.blog-page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.blog-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-lg);
}

.blog-card-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 52%; /* 16:9 Oranı */
    background-color: rgba(255, 255, 255, 0.01);
    border-bottom: 1px solid var(--card-border);
    overflow: hidden;
}

.blog-card-fallback-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    font-size: 32px;
    color: var(--accent);
}

body.dark-theme .blog-card-fallback-bg {
    background: linear-gradient(135deg, #0b0f17 0%, #04060a 100%);
}

.blog-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    z-index: 2;
    letter-spacing: 0.5px;
}

.tag-terea {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.tag-vozol {
    background-color: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
}

.tag-coil {
    background-color: rgba(168, 85, 247, 0.15);
    color: #c084fc;
}

.blog-card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card-meta {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.blog-card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-summary {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 15px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-read-more {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: auto;
}

.btn-read-more i {
    transition: var(--transition);
}

.btn-read-more:hover i {
    transform: translateX(3px);
}

/* BLOG DETAY SAYFASI TASARIMI */
.blog-detail-container {
    max-width: 720px;
    margin: 0 auto;
}

.blog-detail-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 10px;
}

.btn-back {
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-back:hover {
    color: var(--text-primary);
}

.blog-detail-date,
.blog-detail-time {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-muted);
}

.blog-detail-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(22px, 3.5vw, 32px);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 12px;
}

.blog-detail-category {
    margin-bottom: 20px;
}

.blog-detail-category .category-tag {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
}

.blog-detail-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 45%;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 25px;
    border: 1px solid var(--card-border);
}

.blog-detail-fallback-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    font-size: 38px;
    color: var(--accent);
    gap: 10px;
}

body.dark-theme .blog-detail-fallback-bg {
    background: linear-gradient(135deg, #0b0f17 0%, #04060a 100%);
}

.blog-detail-fallback-bg span {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
}

.blog-detail-content {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.75;
}

.blog-detail-content p {
    margin-bottom: 18px;
    text-align: justify;
}

.blog-detail-content h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 25px 0 12px 0;
}

.blog-detail-content ul,
.blog-detail-content ol {
    margin-bottom: 18px;
    padding-left: 20px;
}

.blog-detail-content li {
    margin-bottom: 6px;
}

.blog-highlight {
    background-color: var(--card-bg);
    border-left: 3px solid var(--accent);
    padding: 12px 18px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 13px;
    margin: 20px 0;
    color: var(--text-primary);
}

/* BLOG CTA KUTUSU */
.blog-cta-box {
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    border: 1px solid var(--card-border);
    padding: 24px;
    border-radius: var(--radius-sm);
    margin-top: 35px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

body.dark-theme .blog-cta-box {
    background: linear-gradient(135deg, #0b0f17 0%, #04060a 100%);
}

.blog-cta-box h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.blog-cta-box p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 18px;
    line-height: 1.6;
}

.btn-blog-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 13px;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.15);
}

.btn-blog-cta:hover {
    background-color: var(--primary-hover);
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.no-posts-found {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    background-color: var(--card-bg);
    border: 1px dashed var(--card-border);
    border-radius: var(--radius-sm);
}

.no-posts-found i {
    font-size: 40px;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.no-posts-found h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.no-posts-found p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 13px;
}

/* SEO Genişleyebilir Yazı Alanı */
.seo-expandable-section {
    background-color: var(--card-bg);
    border-top: 1px solid var(--card-border);
    padding: 30px 0;
}

.seo-expandable-wrapper {
    position: relative;
    max-height: 180px; /* Başlangıç yüksekliği */
    overflow: hidden;
    transition: max-height 0.4s ease-in-out;
}

.seo-expandable-wrapper.expanded {
    max-height: 1200px; /* Genişletilmiş yükseklik sınırı */
}

.seo-expandable-content h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.seo-expandable-content h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 18px 0 8px 0;
}

.seo-expandable-content p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
    text-align: justify;
}

.seo-expandable-content p strong {
    color: var(--accent);
}

.seo-fade-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: linear-gradient(to bottom, rgba(248, 250, 252, 0) 0%, var(--card-bg) 100%);
    pointer-events: none;
    transition: opacity 0.3s ease;
}

body.dark-theme .seo-fade-overlay {
    background: linear-gradient(to bottom, rgba(11, 15, 25, 0) 0%, var(--card-bg) 100%);
}

.seo-expandable-wrapper.expanded .seo-fade-overlay {
    opacity: 0;
}

.seo-btn-container {
    text-align: center;
    margin-top: 15px;
}

.btn-seo-expand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    background: none;
    border: 1px solid var(--card-border);
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-seo-expand:hover {
    background-color: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Tablet ve Orta Ekran Uyum Düzeni (3 Kolon) */
@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

/* Küçük Ekran Uyum Düzeni (2 Kolon) */
@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

/* MOBİL İÇİN KOMPAKT DÜZEN (2 Kolonlu Grid) */
@media (max-width: 576px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .product-info {
        padding: 10px;
    }
    
    .product-badge {
        top: 8px;
        left: 8px;
        font-size: 8px;
        padding: 2px 8px;
    }
    
    .product-category-name {
        font-size: 8px;
        margin-bottom: 2px;
    }
    
    .product-title {
        font-size: 13px;
        margin-bottom: 4px;
        font-weight: 700;
    }
    
    .product-description {
        font-size: 10px;
        margin-bottom: 6px;
        line-height: 1.4;
    }
    
    .stock-status {
        font-size: 9px;
        margin-bottom: 8px;
        gap: 4px;
    }
    
    .stock-status .dot {
        width: 4px;
        height: 4px;
    }
    
    .product-footer {
        padding-top: 8px;
        gap: 6px;
    }
    
    .product-price {
        font-size: 14px;
    }
    
    .product-old-price {
        font-size: 9px;
    }
    
    .btn-order-whatsapp {
        padding: 6px 8px;
        font-size: 10px;
        border-radius: var(--radius-sm);
        gap: 4px;
    }
}