/* ============================================
   CSS Variables - Modern Renkler ve Değerler
   ============================================ */
:root {
    /* Renkler - Logo ile Uyumlu Mavi Palet */
    --color-primary-light: #41c4ff;   /* Açık mavi (logonun soluna yakın) */
    --color-primary: #008fe8;        /* Ana mavi */
    --color-primary-dark: #005bb5;   /* Koyu mavi (logonun sağına yakın) */
    --color-secondary: #003b88;      /* Daha koyu yardımcı mavi */
    --color-accent: #7cc8ff;         /* Vurgu için yumuşak açık mavi */
    --color-success: #25d366;
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-light-2: #e9ecef;
    --color-gray: #6c757d;
    --color-dark: #1a1a2e;
    --color-dark-2: #16213e;
    --color-text: #2d3436;
    --color-text-light: #636e72;
    
    /* Fontlar */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 3.5rem;
    --font-size-h2: 2.75rem;
    --font-size-h3: 2rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --spacing-xxl: 7rem;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows - Daha Derin Gölgeler */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
    --shadow-colored: 0 8px 32px rgba(0, 143, 232, 0.3);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 50%;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    overflow-y: auto;
    background: var(--color-white);
    position: relative;
}

body.menu-open {
    overflow: hidden !important;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

/* ============================================
   Loading Screen / Preloader
   ============================================ */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    color: var(--color-white);
}

.loader-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-text {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 2px;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loader-progress {
    height: 100%;
    background: var(--color-white);
    border-radius: 2px;
    animation: loading 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes loading {
    0% {
        width: 0%;
        transform: translateX(0);
    }
    50% {
        width: 70%;
        transform: translateX(0);
    }
    100% {
        width: 100%;
        transform: translateX(100%);
    }
}

/* ============================================
   Scroll Progress Bar
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    z-index: 9998;
    transition: width 0.1s ease;
    box-shadow: 0 2px 10px rgba(0, 180, 216, 0.5);
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Navigation Bar - Glassmorphism Effect
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: var(--spacing-xs) 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xs) 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

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

.logo a {
    display: inline-flex;
    align-items: center;
    gap: 0;
    padding: 0;
    transition: all var(--transition-normal);
}

.logo-image {
    height: clamp(64px, 7vw, 84px);
    width: auto;
    object-fit: contain;
    display: block;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    background: var(--color-white);
}

.logo a:hover {
    transform: scale(1.05);
}

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

/* Responsive navbar adjustments */
@media (max-width: 992px) {
    .logo-image {
        height: 68px;
    }
    .nav-wrapper {
        padding: var(--spacing-xs) 0;
    }
}

@media (max-width: 768px) {
    .logo-image {
        height: 56px;
        box-shadow: none;
        border-radius: 8px;
    }
    .nav-wrapper {
        padding: var(--spacing-xs) 0;
    }
    .navbar {
        padding: 6px 0;
    }
}

.nav-link {
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    position: relative;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(0, 180, 216, 0.1);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transition: width var(--transition-normal);
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--color-dark);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(9px, 9px);
    background: var(--color-primary);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
    background: var(--color-primary);
}

/* ============================================
   Hero Section - Modern & Dynamic
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Logo ile uyumlu, mor ve turkuazı azaltılmış mavi degrade */
    background: linear-gradient(135deg,
        var(--color-primary-light) 0%,
        var(--color-primary) 40%,
        var(--color-primary-dark) 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1920') center/cover;
    opacity: 0.3;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 23, 31, 0.7) 0%, rgba(0, 119, 182, 0.6) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-small);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: fadeInDown 1s ease;
}

.hero-badge i {
    color: #ffd700;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-h1);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-title .title-line {
    display: block;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #ffffff 0%, #90e0ef 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    min-width: 120px;
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-small);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Buttons - Modern Design */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 16px 36px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span,
.btn i {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: var(--color-primary-dark);
    border: 2px solid var(--color-accent);
    background: var(--color-white);
}

.btn-primary:active {
    transform: none;
    box-shadow: var(--shadow-lg);
    color: var(--color-primary);
    border: 2px solid transparent;
    background: var(--color-white);
}

.btn-primary:hover .fab.fa-whatsapp {
    color: var(--color-success);
}

.btn-primary:active .fab.fa-whatsapp {
    color: var(--color-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--color-primary);
    border: 2px solid var(--color-accent);
    color: var(--color-white);
    transform: translateY(-3px);
}

.btn-secondary:active {
    transform: none;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--color-white);
}

.btn-whatsapp {
    background: var(--color-success);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-call:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-facebook {
    background: #1877f2;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-facebook:hover {
    background: #166fe5;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-instagram:hover {
    background: linear-gradient(45deg, #bc1888 0%, #cc2366 25%, #dc2743 50%, #e6683c 75%, #f09433 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.section-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-h2);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-large);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-light) 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
}

.about-content {
    display: block;
}

.about-text h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-h3);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
    line-height: 1.9;
    font-size: var(--font-size-large);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon-wrapper {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-content h4 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin: 0;
}

.about-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 3s infinite;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background: var(--color-white);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

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

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.service-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: 2rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-colored);
}

.service-card:hover .service-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-colored);
}

.service-card h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-h3);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 600;
    margin-top: var(--spacing-md);
    transition: all var(--transition-normal);
}

.service-link:hover {
    gap: var(--spacing-sm);
    color: var(--color-primary-dark);
}

.service-link i {
    transition: transform var(--transition-normal);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery {
    background: linear-gradient(180deg, var(--color-light) 0%, var(--color-white) 100%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.gallery-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.2rem;
    font-weight: 600;
    position: relative;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-image-placeholder::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"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.9) 0%, rgba(0, 119, 182, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-icon {
    font-size: 3rem;
    color: var(--color-white);
    transform: scale(0.8);
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-icon {
    transform: scale(1);
}

/* ============================================
   Lightbox Modal
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.98);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.lightbox.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
}

.lightbox-image-placeholder {
    width: 100%;
    min-width: 400px;
    min-height: 400px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
}

.lightbox-image {
    width: 100%;
    max-width: 90vw;
    max-height: 90vh;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 3rem;
    color: var(--color-white);
    cursor: pointer;
    z-index: 2001;
    transition: all var(--transition-fast);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
}

.lightbox-close:hover {
    color: var(--color-primary-light);
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    color: var(--color-white);
    cursor: pointer;
    z-index: 2001;
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
    user-select: none;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--color-primary-light);
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

/* ============================================
   Service Gallery Modal
   ============================================ */
.service-gallery-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-gallery-modal.active {
    display: flex;
    opacity: 1;
    animation: fadeIn 0.3s ease;
}

.service-gallery-header {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3001;
}

.service-gallery-header h2 {
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
}

.service-gallery-close {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 3rem;
    color: var(--color-white);
    cursor: pointer;
    z-index: 3002;
    transition: all var(--transition-fast);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
}

.service-gallery-close:hover {
    color: var(--color-primary-light);
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.service-gallery-content {
    position: relative;
    width: 100%;
    max-width: 1200px;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.service-gallery-image {
    width: 100%;
    height: auto;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.service-gallery-video {
    max-width: 100%;
    max-height: 85vh;
    width: auto;
    height: auto;
    background: #000;
}

.service-gallery-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 3001;
    pointer-events: none;
}

.service-gallery-prev,
.service-gallery-next {
    pointer-events: all;
    font-size: 3rem;
    color: var(--color-white);
    cursor: pointer;
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
    user-select: none;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    border: none;
}

.service-gallery-prev {
    left: 20px;
}

.service-gallery-next {
    right: 20px;
}

.service-gallery-prev:hover,
.service-gallery-next:hover {
    color: var(--color-primary-light);
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.service-gallery-counter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    font-size: 1.2rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    z-index: 3001;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-light) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-icon-wrapper {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-colored);
}

.contact-details h3 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-details a,
.contact-details p {
    color: var(--color-text-light);
    transition: color var(--transition-fast);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact-details a:hover {
    color: var(--color-primary);
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
}

.contact-buttons .btn {
    width: 100%;
    padding: 18px 32px;
    font-size: var(--font-size-large);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-2) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    font-family: var(--font-primary);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    font-size: 1.3rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-section ul li a:hover {
    color: var(--color-primary-light);
    transform: translateX(5px);
}

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

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary) 100%);
}

.back-to-top:active {
    transform: translateY(-2px);
}

/* ============================================
   WhatsApp Floating Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 60px;
    height: 60px;
    background: var(--color-success);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    z-index: 999;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
    text-decoration: none;
    animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-float .whatsapp-tooltip {
    position: absolute;
    right: 75px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-white);
    color: var(--color-dark);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-small);
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-50%) translateX(10px);
    transition: all var(--transition-normal);
    pointer-events: none;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.whatsapp-float .whatsapp-tooltip i {
    font-size: 1.1rem;
    color: var(--color-success);
}

.whatsapp-float .whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-left-color: var(--color-white);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

@keyframes whatsappPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 968px) {
    :root {
        --font-size-h1: 2.75rem;
        --font-size-h2: 2.25rem;
        --font-size-h3: 1.75rem;
        --spacing-xl: 4rem;
        --spacing-xxl: 5rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* 1. LOGO VE NAVBAR AYARI */
    .navbar {
        padding: 10px 0;
        background: rgba(255, 255, 255, 0.98);
    }
    .logo-image {
        height: 45px; /* Logoyu mobilde küçülttük */
        box-shadow: none;
        border-radius: 8px;
    }
    .nav-wrapper { padding: 0; }

    /* 2. MENÜ AYARI */
    .hamburger { display: flex; }
    .nav-menu {
        position: fixed;
        top: 65px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 65px);
        background: #fff;
        padding: 30px var(--spacing-lg) var(--spacing-lg);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        box-shadow: var(--shadow-xl);
        overflow-y: auto;
        transition: left var(--transition-normal);
    }
    .nav-menu.active { left: 0; }
    .nav-link {
        color: #333; /* Menü yazıları mobilde koyu olsun, okunur */
        font-size: 1.2rem;
        padding: var(--spacing-sm) 0;
        width: 100%;
    }

    /* 3. HERO (ANA EKRAN) DÜZELTMESİ */
    .hero {
        height: auto !important; /* Ekranı kaplamasın, içeriğe göre uzasın */
        min-height: auto !important;
        padding-top: 150px; /* KRİTİK NOKTA: Başlığı menünün altından kurtaran boşluk */
        padding-bottom: 50px;
        align-items: flex-start; /* Ortalamayı iptal edip yukarıdan başlattık */
    }
    .hero-content {
        max-width: 640px;
        margin: 0 auto;
        padding: 0 15px;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
        margin-bottom: 15px;
    }
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 25px;
    }
    .hero-buttons {
        order: 3;
        width: 100%;
        flex-direction: column;
        gap: 10px;
        margin-bottom: 30px;
    }
    .hero-buttons .btn {
        width: 100%;
        padding: 12px;
    }

    /* 4. İSTATİSTİK KUTULARI (YAN YANA 3'LÜ DİZİLİM) */
    .hero-stats {
        order: 4;
        display: grid;
        grid-template-columns: repeat(3, 1fr); /* 3 Tane yan yana zorla */
        gap: 8px; /* Araları azıcık açık olsun */
        margin-top: 10px;
        width: 100%;
        padding-bottom: var(--spacing-md);
    }
    .stat-item {
        padding: 10px 5px;
        min-width: auto; /* Genişlik sınırını kaldırdık */
        background: rgba(255, 255, 255, 0.15);
        width: 100%;
    }
    .stat-number {
        font-size: 1.4rem; /* Rakamları küçülttük sığsın diye */
        margin-bottom: 0;
    }
    .stat-label {
        font-size: 0.6rem; /* Alt yazıları iyice küçülttük */
        white-space: nowrap; /* Alt satıra inmesin */
    }

    /* Diğer kısımlar */
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: 1fr; text-align: center; }

    /* Varsayılan tipografi ve boşluk yeniden tanımı */
    :root {
        --font-size-h1: 2.25rem;
        --font-size-h2: 2rem;
        --font-size-h3: 1.5rem;
        --spacing-xl: 3rem;
        --spacing-xxl: 4rem;
    }

    /* Ek mobil ince ayarlar */
    .about-features { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .contact-buttons .btn { padding: 16px 28px; }
    .lightbox-prev,
    .lightbox-next {
        font-size: 2rem;
        width: 50px;
        height: 50px;
    }
    .lightbox-close {
        font-size: 2rem;
        top: 10px;
        right: 15px;
        width: 40px;
        height: 40px;
    }

    /* Service Gallery Modal - Mobil */
    .service-gallery-header h2 {
        font-size: 1.5rem;
        top: 10px;
    }

    .service-gallery-close {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 2rem;
    }

    .service-gallery-content {
        max-height: 75vh;
    }

    .service-gallery-image {
        max-height: 75vh;
    }

    .service-gallery-video {
        max-height: 75vh;
    }

    .service-gallery-prev,
    .service-gallery-next {
        width: 50px;
        height: 50px;
        font-size: 2rem;
        padding: var(--spacing-sm);
    }

    .service-gallery-prev {
        left: 10px;
    }

    .service-gallery-next {
        right: 10px;
    }

    .service-gallery-counter {
        bottom: 15px;
        font-size: 1rem;
        padding: 8px 16px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 14px 28px;
        font-size: var(--font-size-small);
    }
    
    .stat-number {
        font-size: 2rem;
    }
}