/* CSS Custom Properties */
:root {
    --primary-color: #6b7280;
    --secondary-color: #9ca3af;
    --dark-bg: #0a0a0a;
    --darker-bg: #000000;
    --card-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --border-color: #333333;
    --gradient-primary: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    --gradient-secondary: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
    --shadow-primary: 0 10px 30px rgba(107, 114, 128, 0.3);
    --shadow-secondary: 0 10px 30px rgba(156, 163, 175, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    max-width: 100%;
    /* iOS Safari scroll düzeltmesi */
    -webkit-overflow-scrolling: touch;
    overflow-scrolling: touch;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
    position: relative;
    /* iOS Safari scroll düzeltmesi */
    -webkit-overflow-scrolling: touch;
    overflow-scrolling: touch;
    /* iOS Safari momentum scroll */
    -webkit-overflow-scrolling: touch;
}

/* Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    will-change: opacity, visibility;
    -webkit-animation: fadeOutLoading 0.4s ease-in-out 0.8s forwards;
    animation: fadeOutLoading 0.4s ease-in-out 0.8s forwards;
}

.loading-overlay.loading-fade-out {
    -webkit-animation: manualFadeOut 0.8s ease-in-out forwards;
    animation: manualFadeOut 0.8s ease-in-out forwards;
}

.loading-content {
    text-align: center;
}

.logo-loader {
    position: relative;
}

.loading-logo {
    width: 180px;
    height: 180px;
    object-fit: contain;
    opacity: 0;
    visibility: visible;
    transform: scale3d(0.8, 0.8, 1);
    -webkit-transform: scale3d(0.8, 0.8, 1);
    will-change: opacity, transform, visibility;
    filter: brightness(0) invert(1) drop-shadow(0 15px 40px rgba(255, 255, 255, 0.2));
    -webkit-filter: brightness(0) invert(1) drop-shadow(0 15px 40px rgba(255, 255, 255, 0.2));
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    /* iOS Safari için ek optimizasyonlar */
    -webkit-perspective: 1000;
    perspective: 1000;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.loading-logo.animate {
    -webkit-animation: logoFadeIn 0.6s ease-out 0.1s forwards;
    animation: logoFadeIn 0.6s ease-out 0.1s forwards;
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
    .loading-logo {
        opacity: 1 !important;
        visibility: visible !important;
        transform: scale3d(1, 1, 1) !important;
        -webkit-transform: scale3d(1, 1, 1) !important;
        -webkit-backface-visibility: hidden !important;
        backface-visibility: hidden !important;
        -webkit-perspective: 1000 !important;
        perspective: 1000 !important;
    }
    
    .loading-overlay {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    
    .logo-loader {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

/* iOS için tamamen yeni yaklaşım - CSS animasyonları yerine JavaScript ile kontrol */
.ios-loading-fix {
    opacity: 1 !important;
    visibility: visible !important;
    transform: scale3d(1, 1, 1) !important;
    -webkit-transform: scale3d(1, 1, 1) !important;
    -webkit-backface-visibility: hidden !important;
    backface-visibility: hidden !important;
    -webkit-perspective: 1000 !important;
    perspective: 1000 !important;
    -webkit-transform-style: preserve-3d !important;
    transform-style: preserve-3d !important;
}

.ios-loading-animate {
    -webkit-transition: all 0.6s ease-out !important;
    transition: all 0.6s ease-out !important;
    opacity: 0 !important;
    -webkit-transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0) !important;
    transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0) !important;
}

@-webkit-keyframes fadeOutLoading {
    0% {
        opacity: 1;
        visibility: visible;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes fadeOutLoading {
    0% {
        opacity: 1;
        visibility: visible;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}

@-webkit-keyframes manualFadeOut {
    0% {
        opacity: 1;
        visibility: visible;
        -webkit-transform: scale3d(1, 1, 1);
        transform: scale3d(1, 1, 1);
    }
    100% {
        opacity: 0;
        visibility: hidden;
        -webkit-transform: scale3d(0.95, 0.95, 1);
        transform: scale3d(0.95, 0.95, 1);
    }
}

@keyframes manualFadeOut {
    0% {
        opacity: 1;
        visibility: visible;
        -webkit-transform: scale3d(1, 1, 1);
        transform: scale3d(1, 1, 1);
    }
    100% {
        opacity: 0;
        visibility: hidden;
        -webkit-transform: scale3d(0.95, 0.95, 1);
        transform: scale3d(0.95, 0.95, 1);
    }
}

@-webkit-keyframes logoFadeIn {
    0% {
        opacity: 0;
        visibility: visible;
        -webkit-transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0);
        transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    1% {
        opacity: 0;
        visibility: visible;
        -webkit-transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0);
        transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    70% {
        opacity: 0.9;
        visibility: visible;
        -webkit-transform: scale3d(1.02, 1.02, 1) translate3d(0, -2px, 0);
        transform: scale3d(1.02, 1.02, 1) translate3d(0, -2px, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    100% {
        opacity: 1;
        visibility: visible;
        -webkit-transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
        transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

@keyframes logoFadeIn {
    0% {
        opacity: 0;
        visibility: visible;
        -webkit-transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0);
        transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    1% {
        opacity: 0;
        visibility: visible;
        -webkit-transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0);
        transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    70% {
        opacity: 0.9;
        visibility: visible;
        -webkit-transform: scale3d(1.02, 1.02, 1) translate3d(0, -2px, 0);
        transform: scale3d(1.02, 1.02, 1) translate3d(0, -2px, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    100% {
        opacity: 1;
        visibility: visible;
        -webkit-transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
        transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    box-sizing: border-box;
}

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

.nav-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo-img {
    height: 45px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 15px;
}

.nav-brand-text {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    opacity: 0.8;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 10px;
    border-radius: 8px;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    -webkit-tap-highlight-color: transparent;
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hamburger:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    z-index: 0;
    /* iOS Safari optimizasyonları */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.hero-bg-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('background.jpg') center center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: scroll;
    z-index: -1;
    display: none;
    /* iOS Safari optimizasyonları */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.7);
    z-index: 1;
}



.hero-content {
    position: relative;
    max-width: 1200px;
    width: 100%;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    overflow: hidden;
    z-index: 2;
}

.hero-text {
    animation: slideInLeft 0.6s ease-out 1.2s forwards;
    opacity: 0;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.title-line {
    display: block;
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
}

.title-line:nth-child(1) {
    animation-delay: 1.4s;
}

.title-line:nth-child(2) {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation-delay: 1.6s;
}

.title-line:nth-child(3) {
    animation-delay: 1.8s;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    animation: fadeIn 0.6s ease-out 2s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeIn 0.6s ease-out 2.2s forwards;
    opacity: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-logo {
    display: flex;
    justify-content: center;
    animation: slideInRight 0.6s ease-out 1.2s forwards;
    opacity: 0;
}

.logo-container {
    position: relative;
}

.main-logo {
    width: 300px;
    height: 300px;
    object-fit: contain;
    animation: logoGlow 3s ease-in-out infinite alternate;
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 320px;
    height: 320px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.3;
    animation: pulseGlow 3s ease-in-out infinite alternate;
}

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

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

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

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

@keyframes logoGlow {
    from {
        filter: drop-shadow(0 0 20px var(--primary-color));
    }
    to {
        filter: drop-shadow(0 0 40px var(--primary-color));
    }
}

@keyframes pulseGlow {
    from {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    to {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.1;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateY(-5px) rotate(45deg);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(107, 114, 128, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

/* Container */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--darker-bg);
    overflow-x: hidden;
}

.services-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.service-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card.featured {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(107, 114, 128, 0.05) 100%);
    border: 2px solid var(--primary-color);
    position: relative;
}

.service-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 0 var(--border-radius) 0 40px;
}

.service-card.featured::after {
    content: '⭐';
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.2rem;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(107, 114, 128, 0.1), transparent);
    transition: left 0.5s ease;
}

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

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2.5rem;
    box-shadow: var(--shadow-primary);
}

.service-icon .icon {
    font-size: 2.5rem;
}

.service-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    font-weight: 700;
}

.service-content p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.7;
    font-size: 1.1rem;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: rgba(107, 114, 128, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(107, 114, 128, 0.1);
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(107, 114, 128, 0.1);
    transform: translateX(5px);
}

.feature-icon {
    font-size: 1.5rem;
    min-width: 30px;
}

.feature-text strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 2px;
}

.feature-text small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.service-stats {
    display: flex;
    justify-content: space-around;
    margin: 30px 0;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.service-cta {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.service-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.highlight {
    background: var(--gradient-secondary);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Products Section */
.products {
    padding: 100px 0;
    background: var(--dark-bg);
    overflow-x: hidden;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.product-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
    transition: left 0.5s ease;
}

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

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

.product-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.product-card h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.product-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--darker-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 2rem;
    min-width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-details h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--text-secondary);
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Contact Form */
.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    max-width: 100%;
    padding: 15px;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

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

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer p {
    color: var(--text-secondary);
    text-align: center;
}

/* Mobile Menu Overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* iOS Safari Background Fix - Force Override */
@supports (-webkit-appearance: none) and (not (-ms-accelerator: true)) {
    .hero {
        position: relative !important;
        overflow: hidden !important;
        min-height: 100vh !important;
        min-height: calc(var(--vh, 1vh) * 100) !important;
        height: 100vh !important;
        height: calc(var(--vh, 1vh) * 100) !important;
    }
    
    .hero-background {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        height: calc(var(--vh, 1vh) * 100) !important;
        overflow: hidden !important;
        z-index: 0 !important;
    }
    
    .hero-bg-img {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        height: calc(var(--vh, 1vh) * 100) !important;
        object-fit: cover !important;
        object-position: center center !important;
        transform: translateZ(0) !important;
        -webkit-transform: translateZ(0) !important;
        backface-visibility: hidden !important;
        -webkit-backface-visibility: hidden !important;
        z-index: 0 !important;
        max-width: none !important;
        min-width: 100vw !important;
        min-height: 100vh !important;
        min-height: calc(var(--vh, 1vh) * 100) !important;
    }
}

/* Mobile Background Fix */
@media (max-width: 768px) {
    .hero-background {
        position: absolute;
        height: 100vh;
        min-height: 100vh;
        overflow: hidden;
    }
    
    .hero-bg-img {
        width: 100%;
        height: 100vh;
        min-height: 100vh;
        object-fit: cover;
        object-position: center center;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: linear-gradient(135deg, rgba(10, 10, 10, 0.95), rgba(26, 26, 26, 0.95));
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 100px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1001;
        border-left: 1px solid var(--border-color);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        padding: 15px 30px;
        margin: 10px 0;
        border-radius: 25px;
        width: 80%;
        text-align: center;
        font-size: 1.1rem;
        transition: all 0.3s ease;
        border: 1px solid transparent;
    }

    .nav-link:hover {
        background: rgba(107, 114, 128, 0.1);
        border-color: var(--primary-color);
        transform: translateX(5px);
    }

    .hamburger {
        display: flex;
        padding: 8px;
        border-radius: 4px;
        z-index: 1002;
        background: transparent;
        transition: all 0.3s ease;
    }

    .hamburger:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .hamburger span {
        border-radius: 2px;
        transform-origin: center;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
        background: var(--primary-color);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
        background: var(--primary-color);
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .main-logo {
        width: 200px;
        height: 200px;
    }

    .logo-glow {
        width: 220px;
        height: 220px;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        max-width: 100%;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .service-features {
        grid-template-columns: 1fr;
    }

    .service-cta {
        flex-direction: column;
    }

    .service-stats {
        flex-direction: column;
        gap: 15px;
    }
}

/* Additional mobile optimizations */
@media (max-width: 1024px) {
    .hero-background {
        overflow: hidden;
    }
    
    .hero-bg-img {
        object-fit: cover;
        object-position: center center;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }

    .nav-menu {
        gap: 20px;
    }
    
    .hamburger {
        display: flex;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 100vh;
        min-height: calc(var(--vh, 1vh) * 100);
        height: 100vh;
        height: calc(var(--vh, 1vh) * 100);
        /* iOS Safari viewport height düzeltmesi */
        min-height: -webkit-fill-available;
    }

    .hero-background {
        position: absolute;
        width: 100vw;
        height: 100vh;
        height: calc(var(--vh, 1vh) * 100);
        min-height: -webkit-fill-available;
        overflow: hidden;
    }
    
    .hero-bg-img {
        width: 100vw;
        height: 100vh;
        height: calc(var(--vh, 1vh) * 100);
        min-height: -webkit-fill-available;
        object-fit: cover;
        object-position: center center;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
        will-change: transform;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }

    .nav-container {
        padding: 0 15px;
        height: 60px;
        width: 100%;
        max-width: 100vw;
    }

    .nav-logo span {
        font-size: 1.3rem;
    }

    .container {
        padding: 0 15px;
        width: 100%;
        max-width: 100vw;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 100%;
    }

    .contact-form {
        padding: 20px;
    }

    .service-content h3 {
        font-size: 1.4rem;
    }

    .service-content p {
        font-size: 1rem;
    }

    .service-features {
        grid-template-columns: 1fr;
    }

    .feature-item {
        padding: 12px;
    }

    .service-stats {
        padding: 15px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .nav-menu {
        width: 100vw;
        padding-top: 80px;
    }

    .nav-link {
        font-size: 1rem;
        margin: 8px 0;
        padding: 12px 25px;
    }

    .hamburger span {
        width: 22px;
        height: 2px;
    }

    .hero-buttons {
        gap: 15px;
    }

    .btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }

    .service-card {
        padding: 25px 20px;
    }

    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .product-card {
        padding: 20px;
    }

    .contact-item {
        padding: 15px;
        gap: 15px;
    }

    .contact-icon {
        font-size: 1.5rem;
        min-width: 50px;
        height: 50px;
    }
}

/* iOS Safari Performance Optimization */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    .hero-background {
        overflow: hidden !important;
    }
    
    .hero-bg-img {
        -webkit-transform: translate3d(0, 0, 0) !important;
        transform: translate3d(0, 0, 0) !important;
        -webkit-backface-visibility: hidden !important;
        backface-visibility: hidden !important;
        -webkit-perspective: 1000 !important;
        perspective: 1000 !important;
        object-fit: cover !important;
        object-position: center center !important;
    }
    
    /* iOS Safari scroll düzeltmesi */
    html, body {
        -webkit-overflow-scrolling: touch !important;
        overflow-scrolling: touch !important;
        position: relative !important;
    }
    
    /* iOS Safari momentum scroll için */
    * {
        -webkit-overflow-scrolling: touch;
    }
}

/* iOS Safari Loading Animation Fixes - sadece iOS Safari için */
@supports (-webkit-touch-callout: none) {
    .loading-overlay {
        -webkit-transform: translateZ(0) !important;
        transform: translateZ(0) !important;
        -webkit-backface-visibility: hidden !important;
        backface-visibility: hidden !important;
    }
    
    .loading-logo {
        -webkit-transform: scale3d(1, 1, 1) translateZ(0) !important;
        transform: scale3d(1, 1, 1) translateZ(0) !important;
        -webkit-backface-visibility: hidden !important;
        backface-visibility: hidden !important;
        -webkit-perspective: 1000 !important;
        perspective: 1000 !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .logo-loader {
        -webkit-transform: translateZ(0) !important;
        transform: translateZ(0) !important;
        -webkit-backface-visibility: hidden !important;
        backface-visibility: hidden !important;
    }
}

/* iOS için özel loading animasyonu - CSS animasyonları yerine transition kullan */
@supports (-webkit-touch-callout: none) {
    .loading-overlay {
        -webkit-animation: none !important;
        animation: none !important;
    }
    
    .loading-logo {
        -webkit-animation: none !important;
        animation: none !important;
        -webkit-transition: all 0.6s ease-out !important;
        transition: all 0.6s ease-out !important;
    }
    
    .loading-logo.ios-loading-animate {
        opacity: 0 !important;
        -webkit-transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0) !important;
        transform: scale3d(0.8, 0.8, 1) translate3d(0, 20px, 0) !important;
    }
}

/* iOS Device Specific Fix */
@media only screen 
    and (device-width: 390px) 
    and (device-height: 844px) 
    and (-webkit-device-pixel-ratio: 3),
    only screen 
    and (device-width: 375px) 
    and (device-height: 812px) 
    and (-webkit-device-pixel-ratio: 3),
    only screen 
    and (device-width: 375px) 
    and (device-height: 667px) 
    and (-webkit-device-pixel-ratio: 2) {
    
    .hero {
        height: 100vh !important;
        min-height: 100vh !important;
        overflow: hidden !important;
    }
    
    .hero-background {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        overflow: hidden !important;
    }
    
    .hero-bg-img {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        object-fit: cover !important;
        object-position: center center !important;
        transform: translate3d(0, 0, 0) !important;
        -webkit-transform: translate3d(0, 0, 0) !important;
        backface-visibility: hidden !important;
        -webkit-backface-visibility: hidden !important;
        z-index: 0 !important;
    }
    
    /* iOS Safari scroll düzeltmesi */
    html, body {
        -webkit-overflow-scrolling: touch !important;
        overflow-scrolling: touch !important;
        position: relative !important;
        height: 100% !important;
        overflow-x: hidden !important;
    }
    
    /* iOS Safari momentum scroll */
    * {
        -webkit-overflow-scrolling: touch !important;
    }
    
    /* iOS Safari scroll container düzeltmesi */
    .container, .hero-content, .services, .products, .contact {
        -webkit-overflow-scrolling: touch !important;
        overflow-scrolling: touch !important;
    }
}

/* Ultra small screens */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .nav-menu {
        padding-top: 70px;
    }
    
    .main-logo {
        width: 150px;
        height: 150px;
    }
    
    .logo-glow {
        width: 170px;
        height: 170px;
    }
}

/* Landscape orientation fixes for mobile */
@media (max-height: 600px) and (orientation: landscape) {
    .nav-menu {
        padding-top: 20px;
        justify-content: flex-start;
        gap: 0;
    }
    
    .nav-link {
        margin: 5px 0;
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .hero {
        min-height: 100vh;
    }
    
    .hero-content {
        gap: 30px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .loading-logo,
    .main-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Intersection Observer Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}