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

:root {
    /* Premium Color Palette */
    --primary-white: #FFFFFF;
    --secondary-white: #F8F9FA;
    --light-gray: #E9ECEF;
    --medium-gray: #6C757D;
    --dark-gray: #1a1a2e;
    --deep-navy: #16213e;
    --accent-blue: #0066FF;
    --accent-blue-light: #4D94FF;
    --accent-gold: #FFD700;
    --accent-purple: #6366f1;
    --text-primary: #0f1419;
    --text-secondary: #536471;
    --border-color: #DEE2E6;
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-blue: linear-gradient(135deg, #0066FF 0%, #00C9FF 100%);
    --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --gradient-purple: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-max-width: 1200px;
    
    /* Typography */
    --font-primary: 'Inter', 'Noto Sans KR', sans-serif;
    --font-heading: 'Inter', 'Noto Sans KR', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.18);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.3);
    
    /* Transitions */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 102, 255, 0.03) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

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

/* ===================================
   Navigation Bar
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 102, 255, 0.1);
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand h1 {
    font-size: 26px;
    font-weight: 900;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2px;
    letter-spacing: -0.5px;
}

.brand-subtitle {
    font-size: 12px;
    color: var(--medium-gray);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-menu li a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 5px 0;
}

.nav-menu li a:hover {
    color: var(--accent-blue);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s ease;
}

.nav-menu li a:hover::after {
    width: 100%;
}

.lang-btn {
    background: var(--secondary-white);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

.lang-btn:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f1419 0%, #1a1a2e 50%, #16213e 100%);
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 215, 0, 0.1) 0%, transparent 40%);
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particles::before,
.particles::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite;
}

.particles::before {
    background: var(--accent-blue);
    top: -100px;
    left: -100px;
}

.particles::after {
    background: var(--accent-purple);
    bottom: -100px;
    right: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -50px) scale(1.1); }
    66% { transform: translate(-50px, 50px) scale(0.9); }
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    color: white;
}

.hero-badge {
    display: inline-block;
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 72px;
    font-weight: 900;
    color: white;
    margin-bottom: 28px;
    line-height: 1.1;
    letter-spacing: -2px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 48px;
    font-weight: 400;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

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

.stat-value {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.btn {
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-blue);
    color: white;
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    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(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    animation: bounce 2s infinite;
    cursor: pointer;
}

.scroll-text {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator i {
    font-size: 20px;
}

/* ===================================
   Section Decorations
   =================================== */
.section-decoration {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--accent-blue), transparent);
    opacity: 0.3;
}

.decoration-line {
    width: 100%;
    height: 100%;
    position: relative;
}

.decoration-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-blue);
    box-shadow: 0 0 20px var(--accent-blue);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.5; transform: translateX(-50%) scale(1.2); }
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 16px;
    position: relative;
    padding: 0 20px;
}

.section-label::before,
.section-label::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: var(--accent-blue);
}

.section-label::before {
    left: -35px;
}

.section-label::after {
    right: -35px;
}

.section-header h2 {
    font-size: 52px;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-blue);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 19px;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===================================
   About Section
   =================================== */
.about-section {
    padding: var(--section-padding);
    background: var(--primary-white);
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

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

.about-text h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.about-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.value-card {
    background: var(--primary-white);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid var(--light-gray);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-blue);
}

.value-card i {
    font-size: 42px;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.value-card h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.value-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   Awards Section
   =================================== */
.awards-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--deep-navy) 0%, var(--dark-gray) 100%);
    position: relative;
    overflow: hidden;
}

.awards-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="2" height="2" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.3;
}

.awards-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.award-item {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: var(--transition);
}

.award-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 215, 0, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.award-item i {
    font-size: 48px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    display: block;
}

.award-text h4 {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
}

.award-text p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Platform Showcase Section
   =================================== */
.platform-showcase {
    padding: var(--section-padding);
    background: var(--secondary-white);
    position: relative;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.platform-item {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
    background: white;
}

.platform-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-blue);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

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

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

.platform-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.platform-item:hover img {
    transform: scale(1.1);
}

.platform-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.3));
    padding: 40px 25px 25px;
    transform: translateY(0);
    transition: var(--transition);
    z-index: 2;
}

.platform-item:hover .platform-overlay {
    background: linear-gradient(to top, rgba(0, 102, 255, 0.9), rgba(0, 102, 255, 0.5));
}

.platform-overlay h4 {
    color: white;
    font-size: 22px;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.5px;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--primary-white);
    padding: 50px;
    border-radius: 24px;
    border: 2px solid var(--light-gray);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-blue);
}

.service-number {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 72px;
    font-weight: 900;
    color: rgba(0, 102, 255, 0.05);
    line-height: 1;
    transition: var(--transition);
}

.service-card:hover .service-number {
    color: rgba(0, 102, 255, 0.1);
    transform: scale(1.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-blue);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.25);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.35);
}

.service-icon i {
    font-size: 36px;
    color: white;
}

.service-card h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}

.service-card > p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-features {
    list-style: none;
}

.service-features li {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding-left: 24px;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: 700;
}

/* ===================================
   Development Process Section
   =================================== */
.dev-process-section {
    padding: var(--section-padding);
    background: var(--secondary-white);
    position: relative;
}

.dev-process-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.process-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 3px solid var(--accent-blue);
}

.process-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.15) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.process-image img {
    width: 100%;
    height: auto;
    display: block;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.step-item {
    padding: 32px;
    background: var(--primary-white);
    border-radius: 16px;
    border-left: 5px solid var(--accent-blue);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.step-item:hover {
    transform: translateX(15px);
    box-shadow: var(--shadow-lg);
    border-left-width: 8px;
}

.step-number {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    line-height: 1;
}

.step-item h4 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.step-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   Technology Section
   =================================== */
.technology-section {
    padding: var(--section-padding);
    background: var(--primary-white);
    position: relative;
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.tech-category h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.tech-item {
    background: var(--primary-white);
    padding: 24px;
    border-radius: 16px;
    border: 2px solid var(--light-gray);
    display: flex;
    align-items: center;
    gap: 18px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.05), transparent);
    transition: left 0.6s;
}

.tech-item:hover::before {
    left: 100%;
}

.tech-item:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.tech-item i {
    font-size: 32px;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-item span {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ===================================
   Contact Section
   =================================== */
.contact-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--deep-navy) 0%, var(--dark-gray) 100%);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
}

.contact-section .section-header h2,
.contact-section .section-subtitle,
.contact-section .section-label {
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 32px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.contact-info > p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 48px;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: var(--transition);
}

.info-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 102, 255, 0.5);
    transform: translateX(10px);
}

.info-item i {
    font-size: 28px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 4px;
}

.info-item strong {
    display: block;
    font-size: 17px;
    font-weight: 700;
    color: white;
    margin-bottom: 6px;
}

.info-item p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-form-container {
    position: relative;
}

.contact-form {
    background: var(--primary-white);
    padding: 50px;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    border: 2px solid var(--accent-blue);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--light-gray);
    border-radius: 12px;
    font-size: 15px;
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--secondary-white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: var(--primary-white);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

.contact-form button {
    width: 100%;
}

.form-success {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--primary-white);
    padding: 50px;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    border: 3px solid #28a745;
}

.form-success.show {
    display: block;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
    to { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

.form-success i {
    font-size: 72px;
    color: #28a745;
    margin-bottom: 24px;
    animation: checkmark 0.6s ease;
}

@keyframes checkmark {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.form-success p {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: linear-gradient(135deg, #0a0a0a 0%, var(--dark-gray) 100%);
    color: white;
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-blue);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 28px;
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 20px;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column a {
    display: block;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 14px;
    transition: var(--transition);
    position: relative;
    padding-left: 0;
}

.footer-column a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-blue);
    transition: width 0.3s ease;
}

.footer-column a:hover {
    color: white;
    padding-left: 0;
}

.footer-column a:hover::before {
    width: 100%;
}

.footer-column a i {
    margin-right: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    margin-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.5px;
}

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

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 40px;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .section-label::before,
    .section-label::after {
        display: none;
    }
    
    .awards-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content,
    .contact-content,
    .dev-process-content {
        grid-template-columns: 1fr;
    }
    
    .platform-grid,
    .services-grid,
    .tech-categories {
        grid-template-columns: 1fr;
    }
    
    .footer-content,
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-stats,
    .hero-stats {
        justify-content: space-around;
    }
    
    .platform-item img {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-badge {
        font-size: 11px;
        padding: 10px 20px;
    }
    
    .stat-value {
        font-size: 36px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .btn {
        padding: 14px 28px;
        font-size: 14px;
    }
    
    .service-card,
    .contact-form {
        padding: 30px;
    }
    
    .service-number {
        font-size: 48px;
        top: 20px;
        right: 20px;
    }
    
    .awards-content {
        grid-template-columns: 1fr;
    }
}