/* ============================================
   ŞEKER NAKLİYAT - OPTIMIZED CSS
   Modern Tasarım & Performans Odaklı
   ============================================ */

/* ===== 1. CSS VARIABLES & RESET ===== */
:root {
    /* Color Palette */
    --primary: #064e3b;
    --secondary: #10b981;
    --accent: #34d399;
    --dark-deep: #022c22;
    --dark-alt: #052e20;
    --bg-light: #f8fafc;
    --bg-secondary: #ecfdf5;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    
    /* Shadows */
    --shadow-xs: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-md: 0 12px 30px -10px rgba(6, 78, 59, 0.15);
    --shadow-lg: 0 25px 50px -15px rgba(6, 78, 59, 0.25);
    --shadow-xl: 0 35px 60px -20px rgba(6, 78, 59, 0.3);
    
    /* Effects */
    --glow-green: 0 0 30px rgba(16, 185, 129, 0.3);
    --transition-smooth: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 24px;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--dark-deep) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary), var(--accent));
    --gradient-bg: linear-gradient(135deg, var(--bg-secondary), #d1fae5);
    --gradient-hero: linear-gradient(135deg, var(--dark-deep) 0%, var(--primary) 50%, var(--dark-alt) 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--text-main);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== 2. NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    box-shadow: 0 8px 20px rgba(6, 78, 59, 0.25);
    transition: var(--transition-smooth);
}

.logo:hover .logo-icon {
    transform: rotate(-5deg) scale(1.05);
    box-shadow: 0 12px 28px rgba(6, 78, 59, 0.35);
}

.nav-menu {
    display: flex;
    gap: 7rem;
    align-items: center;
    list-style: none;
}

.nav-menu a {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    position: relative;
    padding: 0.6rem 0;
    transition: var(--transition-smooth);
}

.nav-menu li:not(:last-child) a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: 0;
    left: 50%;
    background: var(--gradient-secondary);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-menu li:not(:last-child) a:hover::after { 
    width: 100%; 
}

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

.cta-button {
    background: var(--gradient-primary) !important;
    color: white !important;
    padding: 0.85rem 2rem !important;
    border-radius: 50px;
    box-shadow: 0 6px 20px rgba(6, 78, 59, 0.25);
    position: relative;
    overflow: hidden;
}

.cta-button::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;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(6, 78, 59, 0.35);
}

.mobile-toggle { 
    display: none; 
    font-size: 1.5rem; 
    cursor: pointer;
    color: var(--primary);
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.mobile-toggle:hover {
    background: var(--bg-light);
}

/* ===== 3. HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 160px 2rem 120px;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(52, 211, 153, 0.1) 0%, transparent 50%);
}

.floating-shapes {
    position: absolute;
    inset: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.06);
    backdrop-filter: blur(2px);
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    left: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: 15%;
    right: -80px;
}

.shape-3 {
    width: 250px;
    height: 250px;
    top: 50%;
    right: 20%;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    color: white;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.8rem;
    border-radius: 50px;
    margin-bottom: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.95rem;
    font-weight: 600;
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    font-size: clamp(2.8rem, 7vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.8rem;
    font-weight: 900;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-highlight {
    background: linear-gradient(120deg, var(--accent), var(--secondary), #6ee7b7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto 3rem;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.btn-primary, .btn-secondary {
    padding: 1.3rem 2.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.05rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary { 
    background: var(--white); 
    color: var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: var(--transition-smooth);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    color: white;
}

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

.btn-secondary { 
    background: rgba(255,255,255,0.12); 
    color: white; 
    border: 2px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover { 
    background: rgba(255,255,255,0.2); 
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    animation: fadeInUp 1s ease-out 0.8s backwards;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.stat-item i {
    font-size: 1.2rem;
    color: var(--accent);
}

.stat-divider {
    width: 1px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
}

/* ===== 4. EXPERIENCE CARDS ===== */
.experience-section {
    padding: 0 2rem;
    margin-top: -80px;
    position: relative;
    z-index: 100;
}

.experience-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.exp-card {
    background: var(--white);
    padding: 3rem 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1.8rem;
    border: 1px solid rgba(16, 185, 129, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.exp-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.1), transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.exp-card:hover .exp-glow {
    opacity: 1;
}

.exp-card.highlight {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-xl), var(--glow-green);
}

.exp-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.exp-icon {
    width: 75px;
    height: 75px;
    background: var(--gradient-bg);
    color: var(--secondary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.highlight .exp-icon { 
    background: rgba(255,255,255,0.15); 
    color: var(--accent);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.exp-card:hover .exp-icon {
    transform: scale(1.1);
}

.exp-content h3 { 
    font-size: 2.2rem; 
    font-weight: 900; 
    line-height: 1;
    margin-bottom: 0.3rem;
}

.exp-content p { 
    font-weight: 600; 
    color: var(--text-muted);
    font-size: 1rem;
}

.highlight .exp-content p { 
    color: rgba(255,255,255,0.8); 
}

/* ===== 5. SECTION HEADER (Reusable) ===== */
.section-header { 
    text-align: center; 
    margin-bottom: 5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--gradient-bg);
    color: var(--primary);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 900;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ===== 6. SERVICES SECTION ===== */
.services { 
    padding: 140px 2rem 120px; 
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2.5rem;
    max-width: 1280px;
    margin: 0 auto;
}

.service-card {
    background: var(--white);
    padding: 3rem 2.8rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-number {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 4rem;
    font-weight: 900;
    color: rgba(6, 78, 59, 0.05);
    line-height: 1;
    transition: var(--transition-smooth);
}

.service-hover-effect {
    position: absolute;
    inset: 0;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: var(--transition-smooth);
}

.service-card:hover .service-hover-effect {
    opacity: 0.03;
}

.service-card:hover .service-number {
    color: rgba(16, 185, 129, 0.15);
    transform: scale(1.2) rotate(5deg);
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-bg);
    color: var(--secondary);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-icon {
    background: var(--gradient-secondary);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(16, 185, 129, 0.3);
}

.service-card h3 { 
    margin-bottom: 1.2rem; 
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.service-card p {
    color: var(--text-muted);
    flex-grow: 1;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* ===== 7. FEATURES SECTION ===== */
.features { 
    padding: 120px 2rem; 
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    text-align: center;
    padding: 3.5rem 2.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.feature-item:hover { 
    transform: translateY(-10px) scale(1.02);
    background: white; 
    box-shadow: var(--shadow-md);
    border-color: rgba(16, 185, 129, 0.2);
}

.feature-icon {
    width: 90px;
    height: 90px;
    background: var(--gradient-secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 2rem;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 25px rgba(6, 78, 59, 0.2);
}

.feature-item:hover .feature-icon {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(6, 78, 59, 0.3);
}

.feature-item h4 {
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 800;
}

.feature-item p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== 8. FOOTER ===== */
.footer { 
    background: var(--gradient-hero);
    color: white; 
    padding: 100px 2rem 40px;
    position: relative;
    overflow: hidden;
}

.footer-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(52, 211, 153, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1200px;
    margin: 0 auto 60px;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.footer-title {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-title i {
    font-size: 2rem;
    color: var(--accent);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--accent);
    font-size: 1.3rem;
    margin-bottom: 1.8rem;
    font-weight: 800;
}

.footer-list {
    list-style: none;
}

.footer-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.footer-list i {
    color: var(--accent);
    font-size: 1.1rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-link i {
    font-size: 1.2rem;
    color: var(--accent);
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(8px);
    border-color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.05rem;
}

/* ===== 9. GALLERY STYLES ===== */
.gallery-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 160px 2rem 100px;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
}

.gallery-hero-content {
    max-width: 900px;
    text-align: center;
    color: white;
    position: relative;
    z-index: 2;
}

.gallery-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 900;
    animation: fadeInUp 0.8s ease-out;
}

.gallery-hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.gallery-container {
    padding: 120px 2rem;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 50%, var(--bg-light) 100%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: white;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    cursor: pointer;
    aspect-ratio: 4/3;
    margin: 0;
}

.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 1;
}

.gallery-item:hover::before {
    opacity: 0.1;
}

.gallery-item:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    display: block;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.8rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.gallery-item:hover .gallery-icon {
    transform: translate(-50%, -50%) scale(1);
}

/* ===== 10. LIGHTBOX ===== */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

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

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
    animation: zoomIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.lightbox-close {
    position: absolute;
    top: -60px;
    right: 0;
    width: 50px;
    height: 50px;
    background: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
}

.lightbox-close:hover {
    background: var(--secondary);
    color: white;
    transform: rotate(90deg) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
}

.lightbox-nav:hover {
    background: var(--secondary);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: -70px;
}

.lightbox-next {
    right: -70px;
}

/* ===== 11. ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* ===== 12. RESPONSIVE DESIGN ===== */
@media (max-width: 992px) {
    .nav-menu { 
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 3rem;
        gap: 2rem;
        transition: left 0.4s ease;
        box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active { 
        left: 0; 
    }
    
    .mobile-toggle { 
        display: flex; 
    }
    
    .experience-grid { 
        grid-template-columns: 1fr; 
    }
    
    .hero h1 { 
        font-size: 2.8rem; 
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .stat-divider {
        width: 100%;
        height: 1px;
    }
}

@media (max-width: 768px) {
    .services-grid,
    .features-grid,
    .gallery-grid { 
        grid-template-columns: 1fr; 
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .service-card {
        padding: 2.5rem 2rem;
    }
    
    .service-number {
        font-size: 3rem;
        top: 1.5rem;
        right: 1.5rem;
    }
    
    .footer-content {
        gap: 3rem;
    }
    
    .gallery-hero {
        min-height: 50vh;
        padding: 140px 1.5rem 80px;
    }
    
    .gallery-container {
        padding: 80px 1.5rem;
    }
    
    .lightbox-content {
        max-width: 95vw;
    }
    
    .lightbox-close {
        top: -50px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        bottom: -70px;
        top: auto;
        transform: none;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .lightbox-nav:hover {
        transform: scale(1.1);
    }
}

@media (max-width: 480px) {
    .nav-container,
    .experience-section,
    .services,
    .features,
    .footer {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    
    .hero {
        padding: 140px 1.5rem 100px;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .exp-card {
        padding: 2rem 1.8rem;
        flex-direction: column;
        text-align: center;
    }
    
    .exp-icon {
        width: 65px;
        height: 65px;
        font-size: 1.8rem;
    }
    
    .exp-content h3 {
        font-size: 2rem;
    }
    
    .services {
        padding: 100px 1.5rem 80px;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .features {
        padding: 80px 1.5rem;
    }
    
    .feature-item {
        padding: 2.5rem 2rem;
    }
    
    .feature-icon {
        width: 75px;
        height: 75px;
        font-size: 2rem;
    }
    
    .footer {
        padding: 80px 1.5rem 30px;
    }
}

/* ===== 13. ACCESSIBILITY ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible,
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

/* ===== 14. PRINT STYLES ===== */
@media print {
    .navbar,
    .hero-buttons,
    .footer,
    .lightbox {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .service-card,
    .feature-item,
    .exp-card,
    .gallery-item {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}