/**
 * Aykırılık Kompresör - Ana Stil Dosyası
 * Modern, Kurumsal, SEO Uyumlu Tasarım
 */

/* ========================================
   CSS Custom Properties (Değişkenler)
   ======================================== */
:root {
    /* Renk Paleti */
    --primary: #1a365d;
    --primary-light: #2d4a7c;
    --primary-dark: #0f2140;
    --secondary: #ed8936;
    --secondary-light: #f6ad55;
    --secondary-dark: #dd6b20;
    --accent: #38b2ac;
    
    /* Nötr Renkler */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --black: #000000;
    
    /* Durum Renkleri */
    --success: #22c55e;
    --warning: #eab308;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Tipografi */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Ağırlık */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Boşluklar */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Gölgeler */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Geçişler */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1rem;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Layout - Container
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   Top Bar
   ======================================== */
.top-bar {
    background: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.top-bar-left,
.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.top-bar-item:hover {
    color: var(--white);
}

.top-bar-item i {
    color: var(--secondary);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

/* ========================================
   Main Header
   ======================================== */
.main-header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
}

.main-header.sticky {
    box-shadow: var(--shadow-lg);
}

.main-header.hidden {
    transform: translateY(-100%);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-xl);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-img {
    height: 50px;
    width: auto;
}

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

.logo-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary);
    line-height: 1.2;
}

.logo-slogan {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-700);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: var(--gray-100);
}

.nav-link i {
    font-size: var(--font-size-xs);
    transition: transform var(--transition-fast);
}

.has-dropdown:hover .nav-link i {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

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

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.dropdown-menu li a i {
    color: var(--secondary);
    width: 20px;
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    padding: var(--spacing-sm);
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
}

.hamburger span {
    display: block;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

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

.btn-secondary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    overflow: hidden;
}

.hero::before {
    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"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
    opacity: 0.5;
}

.hero-slider {
    position: relative;
    width: 100%;
}

.hero-slide {
    display: none;
}

.hero-slide.active {
    display: block;
    animation: fadeIn 0.8s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-4xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    color: var(--secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero-title span {
    color: var(--secondary);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-300);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-stat-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--secondary);
    display: block;
}

.hero-stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(237, 137, 54, 0.1), rgba(237, 137, 54, 0.2));
    color: var(--secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: var(--font-size-4xl);
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
}

.section-gray {
    background: var(--gray-50);
}

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

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

.section-dark .section-description {
    color: var(--gray-400);
}

/* ========================================
   Services Section
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    font-size: var(--font-size-2xl);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.service-title {
    font-size: var(--font-size-xl);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--secondary);
    font-weight: var(--font-weight-semibold);
}

.service-link:hover {
    gap: var(--spacing-md);
}

/* ========================================
   Products Section
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-4xl);
    color: var(--primary);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-content {
    padding: var(--spacing-lg);
}

.product-title {
    font-size: var(--font-size-lg);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.product-description {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.product-link:hover {
    color: var(--secondary);
}

/* ========================================
   Stats Section
   ======================================== */
.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(237, 137, 54, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.stat-value {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--white);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--gray-300);
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    padding: var(--spacing-4xl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    border-radius: var(--radius-2xl);
    z-index: -1;
}

.about-content {
    padding: var(--spacing-lg);
}

.about-content .section-badge {
    margin-bottom: var(--spacing-md);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.about-text {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.about-feature i {
    color: var(--secondary);
    font-size: var(--font-size-lg);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-3xl);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-section .btn-secondary {
    background: var(--white);
    color: var(--secondary-dark);
}

.cta-section .btn-secondary:hover {
    background: var(--gray-100);
}

.cta-section .btn-outline {
    border-color: var(--white);
    color: var(--white);
}

.cta-section .btn-outline:hover {
    background: var(--white);
    color: var(--secondary-dark);
}

/* ========================================
   Footer
   ======================================== */
.main-footer {
    background: var(--gray-900);
    color: var(--gray-400);
}

.footer-top {
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
}

.footer-logo img {
    height: 50px;
    margin-bottom: var(--spacing-lg);
}

.footer-about {
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--secondary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-title {
    font-size: var(--font-size-lg);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: var(--spacing-sm);
}

.footer-links a i {
    color: var(--secondary);
    font-size: var(--font-size-xs);
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.footer-contact li i {
    color: var(--secondary);
    margin-top: 3px;
}

.footer-contact a {
    color: var(--gray-400);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
}

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

.copyright {
    font-size: var(--font-size-sm);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

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

/* ========================================
   WhatsApp Float Button
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-2xl);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-fast);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    color: var(--white);
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
}

/* ========================================
   Page Header (İç Sayfalar)
   ======================================== */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    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"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></svg>');
    background-size: 50px 50px;
}

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

.page-title {
    font-size: var(--font-size-4xl);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.breadcrumb a {
    color: var(--gray-400);
}

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

.breadcrumb span {
    color: var(--gray-500);
}

.breadcrumb .current {
    color: var(--secondary);
}

/* ========================================
   Forms
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.form-group.error .form-control {
    border-color: var(--error);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--error);
    font-size: var(--font-size-sm);
}

.form-success {
    padding: var(--spacing-md);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success);
    border-radius: var(--radius-lg);
    color: var(--success);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Cards (Genel)
   ======================================== */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-xl);
}

.card-image {
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.card-content {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-size-xl);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1200px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }
}

@media (max-width: 992px) {
    .top-bar-content {
        justify-content: center;
    }
    
    .top-bar-right {
        display: none;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-4xl) var(--spacing-lg);
        box-shadow: var(--shadow-2xl);
        transition: right var(--transition-normal);
        z-index: var(--z-modal);
        overflow-y: auto;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .nav-link {
        width: 100%;
        padding: var(--spacing-md);
        justify-content: space-between;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        max-height: 0;
        overflow: hidden;
        padding: 0;
        background: var(--gray-50);
        border-radius: 0;
        transition: max-height var(--transition-normal);
    }
    
    .dropdown-menu.show {
        max-height: 500px;
        padding: var(--spacing-sm);
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-image::after {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-4xl: 4rem;
        --spacing-3xl: 3rem;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    
    .back-to-top {
        bottom: 80px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        display: none;
    }
    
    .hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-value {
        font-size: var(--font-size-3xl);
    }
}