/* Ultra Modern Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern Color Palette */
    --primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-solid: #667eea;
    --secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --warning: linear-gradient(135deg, #fc466b 0%, #3f5efb 100%);
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    
    /* Theme Variables */
    --bg-color: var(--gray-50);
    --text-color: var(--gray-800);
    --text-muted: var(--gray-600);
    --card-bg: var(--white);
    --border-color: var(--gray-200);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Border Radius */
    --rounded-sm: 0.125rem;
    --rounded: 0.25rem;
    --rounded-md: 0.375rem;
    --rounded-lg: 0.5rem;
    --rounded-xl: 0.75rem;
    --rounded-2xl: 1rem;
    --rounded-3xl: 1.5rem;
}

/* Dark Mode */
body.dark-mode {
    --bg-color: var(--gray-900);
    --text-color: var(--gray-100);
    --text-muted: var(--gray-400);
    --card-bg: var(--gray-800);
    --border-color: var(--gray-700);
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    font-size: 16px;
    font-weight: 400;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* Smooth Animations */
* {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modern Section Styling */
section {
    padding: var(--space-20) 0;
    position: relative;
}

section:nth-child(even) {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

body.dark-mode section:nth-child(even) {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
}

.page-transition {
    background: var(--white);
    position: relative;
    z-index: 1;
}

body.dark-mode .page-transition {
    background: var(--gray-800);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }
}

/* Ultra Modern Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-mode header {
    background: rgba(39, 39, 42, 0.95);
    border-bottom-color: var(--gray-700);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-top {
    background: var(--primary);
    padding: var(--space-3) 0;
    font-size: 14px;
    font-weight: 500;
}

.header-contact {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-8);
}

.header-contact span {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--white);
    font-weight: 500;
}

.header-contact i {
    opacity: 0.9;
}

.header-main {
    padding: var(--space-6) 0;
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 28px;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo:hover {
    transform: translateY(-2px);
    color: var(--primary-solid);
}

.logo img {
    height: 48px;
    width: auto;
    border-radius: var(--rounded-lg);
}

.logo i {
    font-size: 36px;
    background: var(--primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Modern Navigation */
nav {
    position: relative;
    display: block;
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--rounded-2xl);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background: transparent;
    border: 2px solid transparent;
}

nav ul li a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

nav ul li a.active {
    background: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

/* Mobile Menu Toggle Button */
.mobile-nav-toggle {
    display: none !important;
    background: var(--primary-solid);
    color: var(--white);
    border: none;
    padding: var(--space-3);
    border-radius: var(--rounded-lg);
    cursor: pointer;
    font-size: 20px;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    position: relative;
    box-shadow: var(--shadow-md);
}

.mobile-nav-toggle:hover {
    background: #5568d3;
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.mobile-nav-toggle:active {
    transform: scale(0.95);
}

.mobile-nav-toggle i {
    display: block;
    transition: transform 0.3s ease;
}

/* Hamburger icon animation when nav is active */
nav.active ~ .header-main .mobile-nav-toggle i,
.mobile-nav-toggle.active i {
    transform: rotate(90deg);
}

/* Desktop Navigation - Ensure nav is visible on desktop */
@media (min-width: 769px) {
    nav {
        position: relative !important;
        display: block !important;
        right: auto !important;
        width: auto !important;
        height: auto !important;
        background: transparent !important;
        box-shadow: none !important;
        padding: 0 !important;
        overflow: visible !important;
    }
    
    .mobile-nav-toggle {
        display: none !important;
    }
    
    .nav-close-btn {
        display: none !important;
    }
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: flex !important;
    }
    
    nav {
        position: fixed !important;
        top: 0;
        right: -100%;
        width: 300px;
        max-width: 85vw;
        height: 100vh;
        background: var(--card-bg);
        box-shadow: -5px 0 25px rgba(0,0,0,0.3);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        padding: var(--space-8) var(--space-6);
        overflow-y: auto;
        display: block !important;
        border-left: 3px solid var(--primary-solid);
    }
    
    nav.active {
        right: 0 !important;
    }
    
    nav ul {
        flex-direction: column;
        gap: var(--space-3);
        align-items: flex-start;
        width: 100%;
        margin-top: var(--space-4);
    }
    
    nav ul li {
        width: 100%;
    }
    
    nav ul li a {
        display: block;
        width: 100%;
        padding: var(--space-4) var(--space-6);
        font-size: 16px;
        font-weight: 600;
        border-radius: var(--rounded-xl);
        transition: all 0.3s ease;
        border-left: 3px solid transparent;
    }
    
    nav ul li a:hover,
    nav ul li a.active {
        background: var(--primary);
        color: var(--white);
        border-left-color: var(--white);
        padding-left: var(--space-8);
        transform: translateX(5px);
    }
    
    .header-main .container {
        flex-wrap: wrap;
        gap: var(--space-4);
        justify-content: space-between;
        align-items: center;
    }
    
    .logo {
        font-size: 20px;
        flex: 1;
    }
    
    .logo img {
        height: 38px;
    }
    
    /* Navbar close button style */
    .nav-close-btn {
        position: absolute;
        top: var(--space-4);
        right: var(--space-4);
        width: 36px;
        height: 36px;
        background: var(--gray-200);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
        z-index: 1002;
        color: var(--text-color);
        font-size: 20px;
        font-weight: bold;
    }
    
    body.dark-mode .nav-close-btn {
        background: var(--gray-700);
        color: var(--white);
    }
    
    .nav-close-btn:hover {
        background: var(--primary-solid);
        color: var(--white);
        transform: rotate(90deg) scale(1.1);
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Carousel Section */
.carousel-section {
    padding: 40px 0;
    background-color: var(--beyaz);
}

.carousel-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 400px;
}

.carousel-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--beyaz);
    background: rgba(0,0,0,0.6);
    padding: 20px 40px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    animation: slideInUp 0.8s ease-out;
}

.carousel-caption h2 {
    font-size: 32px;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.carousel-caption p {
    font-size: 18px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,102,204,0.8);
    color: var(--beyaz);
    border: none;
    padding: 15px 20px;
    cursor: pointer;
    font-size: 20px;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 2;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: var(--mavi-koyu);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--beyaz);
    width: 30px;
    border-radius: 6px;
}

.dot:hover {
    background: rgba(255,255,255,0.8);
}

/* Ultra Modern Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-solid) 0%, #764ba2 50%, #667eea 100%);
    color: var(--white);
    text-align: center;
    padding: var(--space-20) 0;
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.2) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1.5" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: var(--space-8);
    opacity: 0.95;
    font-weight: 500;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Section */
section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ultra Modern Section Titles */
.section-title {
    text-align: center;
    margin-bottom: var(--space-16);
    animation: slideInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary);
    border-radius: var(--rounded-2xl);
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--space-4);
    background: var(--primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.section-title p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Kategori Grid */
.kategori-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.kategori-card {
    background: var(--card-bg);
    border-radius: var(--rounded-2xl);
    padding: var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-decoration: none;
    color: var(--text-color);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    animation-fill-mode: both;
}

.kategori-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.kategori-card:hover::before {
    left: 100%;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.kategori-card:nth-child(1) { animation-delay: 0.1s; }
.kategori-card:nth-child(2) { animation-delay: 0.2s; }
.kategori-card:nth-child(3) { animation-delay: 0.3s; }
.kategori-card:nth-child(4) { animation-delay: 0.4s; }
.kategori-card:nth-child(5) { animation-delay: 0.5s; }
.kategori-card:nth-child(6) { animation-delay: 0.6s; }
.kategori-card:nth-child(7) { animation-delay: 0.7s; }

.kategori-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-solid);
}

.kategori-icon {
    font-size: 56px;
    background: var(--primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
}

.kategori-card:hover .kategori-icon {
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 4px 8px rgba(102, 126, 234, 0.3));
}

.kategori-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
    letter-spacing: -0.025em;
}

.kategori-card:hover h3 {
    color: var(--primary-solid);
    transform: translateY(-2px);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ultra Modern Product Grid */
.urun-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.urun-card {
    background: var(--card-bg);
    border-radius: var(--rounded-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    animation: slideInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    animation-fill-mode: both;
}

.urun-card:nth-child(1) { animation-delay: 0.1s; }
.urun-card:nth-child(2) { animation-delay: 0.2s; }
.urun-card:nth-child(3) { animation-delay: 0.3s; }
.urun-card:nth-child(4) { animation-delay: 0.4s; }

.urun-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-solid);
}

.urun-resim {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.urun-card:hover .urun-resim {
    transform: scale(1.08);
    filter: brightness(1.1) saturate(1.2);
}

.urun-resim-container {
    overflow: hidden;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    position: relative;
}

.urun-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--secondary);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--rounded-2xl);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.urun-detay {
    padding: var(--space-6);
}

.urun-kategori {
    font-size: 12px;
    color: var(--primary-solid);
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: var(--space-2);
    letter-spacing: 1px;
    opacity: 0.8;
}

.urun-detay h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--text-color);
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.urun-aciklama {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.urun-fiyat {
    font-size: 28px;
    font-weight: 900;
    background: var(--primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-3);
    letter-spacing: -0.025em;
}

.stok-durumu {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    margin-top: 10px;
}

.stok-durumu.stokta {
    background-color: #4CAF50;
    color: white;
}

.stok-durumu.tukendi {
    background-color: #f44336;
    color: white;
}

/* Ultra Modern Button */
.tum-kategoriler-btn {
    text-align: center;
    margin-top: var(--space-12);
}

.tum-kategoriler-btn a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--rounded-2xl);
    font-weight: 700;
    font-size: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.tum-kategoriler-btn a::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;
}

.tum-kategoriler-btn a:hover::before {
    left: 100%;
}

.tum-kategoriler-btn a:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255,255,255,0.2);
}

/* Ultra Modern Footer */
footer {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--white);
    padding: var(--space-20) 0 var(--space-8);
    margin-top: var(--space-20);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-8);
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    margin-bottom: var(--space-6);
    font-size: 22px;
    font-weight: 700;
    background: var(--primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p,
.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    line-height: 1.8;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}

.footer-section a:hover {
    color: var(--white);
    transform: translateX(8px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    position: relative;
    z-index: 1;
    opacity: 0.8;
}

/* Mobile Nav Overlay */
.nav-overlay {
    display: none !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    display: block !important;
    opacity: 1;
}

/* Desktop - Hide overlay */
@media (min-width: 769px) {
    .nav-overlay {
        display: none !important;
    }
    
    .nav-overlay.active {
        display: none !important;
    }
}

/* Mobile - Show overlay when active */
@media (max-width: 768px) {
    .nav-overlay.active {
        display: block !important;
        opacity: 1;
    }
}

/* Responsive - Comprehensive Mobile Styles */
@media (max-width: 768px) {
    /* Header */
    .header-top {
        padding: var(--space-2) 0;
        font-size: 12px;
    }
    
    .header-contact {
        flex-direction: column;
        gap: var(--space-2);
        align-items: flex-start;
    }
    
    .header-contact span {
        font-size: 11px;
    }
    
    .header-main {
        padding: var(--space-4) 0;
    }
    
    .header-main .container {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }
    
    /* Hero Section */
    .hero {
        padding: var(--space-12) 0;
        min-height: 50vh;
    }
    
    .hero h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: var(--space-4);
    }
    
    .hero p {
        font-size: clamp(0.95rem, 4vw, 1.1rem);
        padding: 0 var(--space-4);
    }
    
    /* Carousel */
    .carousel-container {
        height: 250px;
    }
    
    .carousel-caption {
        bottom: 20px;
        padding: 15px 20px;
        left: 10px;
        right: 10px;
        transform: none;
        width: auto;
    }
    
    .carousel-caption h2 {
        font-size: 20px;
        margin-bottom: 5px;
    }
    
    .carousel-caption p {
        font-size: 14px;
    }
    
    .carousel-prev,
    .carousel-next {
        width: 40px;
        height: 40px;
        padding: 10px;
        font-size: 16px;
    }
    
    .carousel-prev {
        left: 10px;
    }
    
    .carousel-next {
        right: 10px;
    }
    
    /* Sections */
    section {
        padding: var(--space-12) 0;
    }
    
    .section-title {
        margin-bottom: var(--space-8);
    }
    
    .section-title h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }
    
    .section-title p {
        font-size: clamp(0.9rem, 3vw, 1rem);
        padding: 0 var(--space-4);
    }
    
    /* Kategori Grid */
    .kategori-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
        margin-top: var(--space-8);
    }
    
    .kategori-card {
        padding: var(--space-6);
    }
    
    .kategori-icon {
        font-size: 40px;
        margin-bottom: var(--space-3);
    }
    
    .kategori-card h3 {
        font-size: 14px;
    }
    
    /* Ürün Grid */
    .urun-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
        margin-top: var(--space-8);
    }
    
    .urun-card {
        border-radius: var(--rounded-xl);
    }
    
    .urun-resim {
        height: 220px;
    }
    
    .urun-detay {
        padding: var(--space-5);
    }
    
    .urun-detay h3 {
        font-size: 18px;
    }
    
    .urun-fiyat {
        font-size: 24px;
    }
    
    /* Footer */
    footer {
        padding: var(--space-12) 0 var(--space-6);
        margin-top: var(--space-12);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .footer-section h3 {
        font-size: 18px;
        margin-bottom: var(--space-4);
    }
    
    .footer-section p,
    .footer-section a {
        font-size: 14px;
    }
    
    /* Dark Mode Toggle */
    .dark-mode-toggle {
        width: 48px;
        height: 48px;
        font-size: 18px;
        right: var(--space-4);
        bottom: var(--space-4);
        top: auto;
        transform: none;
    }
    
    /* Container */
    .container {
        padding: 0 var(--space-4);
    }
    
    /* Filter Section */
    .filter-section {
        padding: var(--space-4);
        margin-bottom: var(--space-6);
    }
    
    .filter-section select {
        width: 100%;
        max-width: 100%;
        font-size: 14px;
        padding: var(--space-3);
    }
    
    /* Alt Kategori Buttons */
    .alt-kategori-buttons {
        gap: var(--space-2);
    }
    
    .alt-kategori-btn {
        padding: var(--space-2) var(--space-4);
        font-size: 12px;
    }
    
    /* Yem Grid */
    .yem-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .yem-card {
        padding: var(--space-5);
    }
    
    /* Contact & Address Pages */
    .iletisim-container,
    .adres-container {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .iletisim-form,
    .iletisim-bilgi,
    .adres-bilgi {
        padding: var(--space-6);
    }
    
    .bilgi-item,
    .adres-item {
        padding: var(--space-4);
        margin-bottom: var(--space-4);
    }
    
    .bilgi-icon,
    .adres-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
        margin-right: var(--space-4);
    }
    
    .harita-container {
        padding: var(--space-4);
    }
    
    .harita-container iframe {
        height: 300px;
    }
    
    /* Form Elements */
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: var(--space-3) var(--space-4);
    }
    
    .submit-btn {
        width: 100%;
        padding: var(--space-4);
        font-size: 16px;
    }
    
    /* Products Hero */
    .products-hero,
    .contact-hero,
    .address-hero {
        padding: var(--space-12) 0 var(--space-8);
    }
    
    .products-hero h1,
    .contact-hero h1,
    .address-hero h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    
    .products-hero p,
    .contact-hero p,
    .address-hero p {
        font-size: clamp(0.95rem, 4vw, 1.1rem);
        padding: 0 var(--space-4);
    }
}

/* Extra Small Devices */
@media (max-width: 480px) {
    .logo {
        font-size: 18px;
    }
    
    .logo img {
        height: 35px;
    }
    
    .kategori-grid {
        grid-template-columns: 1fr;
    }
    
    .kategori-card {
        padding: var(--space-5);
    }
    
    .carousel-container {
        height: 200px;
    }
    
    .carousel-caption {
        padding: 10px 15px;
    }
    
    .carousel-caption h2 {
        font-size: 16px;
    }
    
    .carousel-caption p {
        font-size: 12px;
    }
    
    .urun-resim {
        height: 180px;
    }
    
    .harita-container iframe {
        height: 250px;
    }
}

/* Yükleme Animasyonu */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: var(--beyaz);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Hover Efektleri */
.hover-scale {
    transition: transform 0.3s ease;
}

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

/* Sayfa Geçiş Animasyonu */
.page-transition {
    animation: pageSlideIn 0.5s ease-out;
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Filtre Bölümü */
.filter-section {
    background: var(--beyaz);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.filter-section select {
    padding: 10px 15px;
    border: 2px solid var(--gri-orta);
    border-radius: 5px;
    font-size: 16px;
    width: 100%;
    max-width: 300px;
    transition: border-color 0.3s ease;
}

.filter-section select:focus {
    outline: none;
    border-color: var(--mavi-koyu);
}

/* Ultra Modern Dark Mode Toggle */
.dark-mode-toggle {
    position: fixed;
    top: 50%;
    right: var(--space-6);
    transform: translateY(-50%);
    background: var(--card-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 56px;
    height: 56px;
    font-size: 22px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.dark-mode-toggle:hover {
    transform: translateY(-50%) scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-solid);
    background: var(--primary);
    color: var(--white);
}

.dark-mode-toggle:active {
    transform: scale(0.95);
}

/* Logo Stili */
.logo img {
    height: 50px;
    width: auto;
    margin-right: 10px;
    vertical-align: middle;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Karanlık modda kartlar */
body.dark-mode .urun-card,
body.dark-mode .kategori-card,
body.dark-mode .filter-section,
body.dark-mode .carousel-section,
body.dark-mode .product-details-tabs,
body.dark-mode .product-detail-container,
body.dark-mode .similar-products {
    background-color: var(--card-bg);
    color: var(--text-color);
}

body.dark-mode .urun-card:hover,
body.dark-mode .kategori-card:hover {
    box-shadow: 0 8px 25px rgba(255,255,255,0.1);
}

/* Alt Kategori Filtreleme */
.alt-kategori-filter {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.alt-kategori-filter h3 {
    color: var(--mavi-koyu);
    margin-bottom: 15px;
    font-size: 18px;
}

.alt-kategori-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.alt-kategori-btn {
    padding: 10px 20px;
    background: var(--gri-acik);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.alt-kategori-btn:hover {
    background: var(--mavi-koyu);
    color: white;
    border-color: var(--mavi-koyu);
    transform: translateY(-2px);
}

.alt-kategori-btn.active {
    background: var(--mavi-koyu);
    color: white;
    border-color: var(--mavi-koyu);
}

/* Boş Durum */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 20px;
    color: var(--gri-orta);
}

.empty-state h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

/* Ultra Modern Yem Durumu Section */
.yem-durumu-section {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, var(--gray-50) 100%);
    position: relative;
    overflow: hidden;
}

body.dark-mode .yem-durumu-section {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 50%, var(--gray-900) 100%);
}

.yem-durumu-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,102,204,0.05) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.yem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

.yem-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.yem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #28a745, #20c997);
    transition: all 0.3s ease;
}

.yem-card.yem-yok::before {
    background: linear-gradient(90deg, #dc3545, #fd7e14);
}

.yem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.yem-resim {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--border-color);
    transition: all 0.3s ease;
}

.yem-card:hover .yem-resim {
    transform: scale(1.1);
    border-color: var(--mavi-koyu);
}

.yem-resim img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yem-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gri-acik), var(--gri-orta));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gri-koyu);
    font-size: 24px;
}

.yem-bilgi {
    text-align: center;
}

.yem-bilgi h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-color);
}

.yem-durum {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.durum-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.durum-var {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.durum-yok {
    background: linear-gradient(135deg, #dc3545, #fd7e14);
    color: white;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

.paket-sayisi {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--mavi-koyu);
    color: white;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.yem-aciklama {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

.yem-bos {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: var(--card-bg);
    border-radius: 15px;
    border: 2px dashed var(--border-color);
}

.yem-bos i {
    font-size: 48px;
    color: var(--gri-orta);
    margin-bottom: 20px;
}

.yem-bos p {
    font-size: 16px;
    color: #666;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .yem-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .yem-card {
        padding: 20px;
    }
    
    .yem-resim {
        width: 60px;
        height: 60px;
    }
    
    .yem-bilgi h3 {
        font-size: 16px;
    }
    
    .yem-durum {
        flex-direction: column;
        align-items: center;
    }
}