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

:root {
    --primary: #0A1128;
    --secondary: #1a237e;
    --accent: #00D9FF;
    --accent2: #8B5CF6;
    --dark: #0d1117;
    --dark-bg: #0a0e1a;
    --light: #ffffff;
    --gray: #6b7280;
    --gray-light: #f3f4f6;
    --gray-dark: #1e293b;
    --gradient: linear-gradient(135deg, #00D9FF 0%, #8B5CF6 100%);
    --gradient-soft: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', 'Inter', -apple-system, sans-serif;
    background: var(--light);
    color: var(--primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-weight: 400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
    filter: drop-shadow(0 0 25px rgba(0, 217, 255, 0.8))
            drop-shadow(0 0 50px rgba(139, 92, 246, 0.6))
            drop-shadow(0 4px 20px rgba(0, 0, 0, 0.9))
            drop-shadow(0 2px 10px rgba(0, 0, 0, 0.9));
    text-shadow: 0 0 30px rgba(0, 217, 255, 0.5),
                 0 0 60px rgba(139, 92, 246, 0.3);
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient);
    opacity: 0.3;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 15px;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 217, 255, 0.5);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.nav.scrolled {
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    width: 38px;
    height: 38px;
    transition: transform 0.6s ease;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.15));
}

.logo:hover .logo-icon {
    transform: rotate(360deg);
}

.logo-text {
    font-family: 'Arial Narrow', Arial, sans-serif;
    font-size: 0;
    font-weight: 800;
    letter-spacing: 0;
    display: inline-block;
}

.logo-text span {
    display: inline-block;
    font-size: 30px;
    margin: 0;
    padding: 0;
}

.logo-a {
    color: #EA4335; /* Red */
}

.logo-g1 {
    color: #FBBC04; /* Yellow */
}

.logo-i {
    color: #34A853; /* Green */
}

.logo-n {
    color: #34A853; /* Green */
}

.logo-g2 {
    color: #4285F4; /* Blue */
}

.logo-l,
.logo-a2,
.logo-b {
    color: #000000; /* Black */
}

.logo-accent {
    color: var(--accent);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.nav-menu a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.lang-toggle {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 217, 255, 0.3);
}

.lang-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 217, 255, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all 0.3s;
}

/* Hero */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0 60px;
    overflow: hidden;
    background: var(--dark-bg);
}

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

.hero-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 1;
    filter: brightness(0.6) contrast(1.15) saturate(1.3);
    will-change: transform;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg, 
        rgba(10, 17, 40, 0.65) 0%, 
        rgba(26, 35, 126, 0.6) 50%,
        rgba(10, 17, 40, 0.65) 100%
    );
    z-index: 2;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 40%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    opacity: 0.5;
    z-index: 3;
    mix-blend-mode: soft-light;
}

.hero-pattern::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transform: translate(-50%, -50%);
}

.hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
    color: white;
    max-width: 900px;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(15px) saturate(150%);
    -webkit-backdrop-filter: blur(15px) saturate(150%);
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 13px;
    margin-bottom: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 500;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    margin-bottom: 30px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 0 30px rgba(0, 0, 0, 0.5),
                 0 4px 20px rgba(0, 0, 0, 0.4),
                 0 2px 10px rgba(0, 0, 0, 0.5);
}

html[lang="en"] .hero-title {
    font-size: 52px;
}

html[lang="en"] .hero-title .gradient-text {
    font-size: 56px;
}

html[lang="en"] .hero-title .hero-title-line1 {
    white-space: nowrap;
    display: inline-block;
}

@media (max-width: 768px) {
    html[lang="en"] .hero-title .hero-title-line1 {
        white-space: normal;
        display: block;
        margin-bottom: 0;
        line-height: 1;
    }
    
    html[lang="en"] .hero-title br {
        line-height: 0;
        display: block;
        content: "";
        margin: 0;
    }
}

.hero-title .gradient-text {
    filter: none;
    text-shadow: none;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 50px;
    opacity: 0.9;
    line-height: 1.7;
    font-weight: 400;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.01em;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 0;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: 100px 0;
    position: relative;
}

.section-alt {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.section-dark {
    background: linear-gradient(180deg, #0a0e1a 0%, #0d1117 100%);
    color: white;
    position: relative;
}

.section-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.3), transparent);
}

.section-header {
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
}

.section-title {
    font-size: 48px;
    margin-bottom: 0;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: none;
}

.section-title .gradient-text {
    filter: none;
    text-shadow: none;
}

/* Problem Content */
.problem-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.problem-image {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

/* Content Grid */
.content-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.content-box {
    background: white;
    padding: 45px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.content-box:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.content-box h3 {
    font-size: 26px;
    margin-bottom: 25px;
    font-weight: 800;
    color: var(--primary);
}

.content-box p {
    font-size: 17px;
    color: var(--gray);
    margin-bottom: 25px;
    line-height: 1.8;
    font-weight: 400;
}

.content-box strong {
    color: var(--primary);
    font-weight: 700;
}

.content-box.highlight {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.08), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(0, 217, 255, 0.25);
    box-shadow: 0 8px 30px rgba(0, 217, 255, 0.15);
}

.check-list {
    list-style: none;
    margin-top: 25px;
}

.check-list li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    font-size: 16px;
    line-height: 1.6;
    font-weight: 500;
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.check-list.success li::before {
    color: #10b981;
}

/* Platform Showcase */
.platform-showcase {
    margin: 60px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.platform-img {
    width: 100%;
    display: block;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12);
}

.feature-num {
    display: inline-block;
    background: var(--gradient);
    color: white;
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 20px;
}

.feature-card h4 {
    font-size: 18px;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
}

/* Tech Showcase */
.tech-showcase {
    margin: 60px auto;
    max-width: 900px;
}

.tech-img {
    width: 100%;
    display: block;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.section-intro {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.8;
    text-align: center;
    max-width: 100%;
    margin: 30px auto 0;
    white-space: nowrap;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 60px 0 0;
}

.tech-feature-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.tech-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12);
}

.tech-feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary);
    text-align: center;
}

.tech-feature-card p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.8;
    text-align: center;
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.product-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12);
}

.product-image {
    width: 100%;
    margin-bottom: 20px;
    text-align: center;
}

.product-img {
    max-width: 60%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: transparent;
    /* Images are already transparent PNG files */
    display: block;
}

/* Ensure product image container has transparent background */
.product-card .product-image {
    background: transparent;
}

/* Transparent PNG images should display properly */
.product-card .product-image img.product-img {
    background: transparent;
    display: block;
}

.product-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.product-badge.core {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.product-badge.b2b {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    color: white;
}

.product-badge.ai {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    color: white;
}

.product-badge.service {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    color: white;
}

.product-card h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.product-sub {
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 20px;
}

.product-card p {
    font-size: 15px;
    color: var(--gray);
    margin-bottom: 25px;
    line-height: 1.7;
}

.product-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.success {
    background: #10b981;
}

.status-dot.live {
    background: var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Market Chart */
.market-chart {
    margin: 60px 0;
    display: flex;
    justify-content: center;
}

.market-img {
    width: 100%;
    max-width: 1000px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    display: block;
}


/* Market Stats */
.market-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin: 60px 0;
    flex-wrap: wrap;
}

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

.market-num {
    font-size: 64px;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    line-height: 1;
    margin-bottom: 10px;
}

.market-unit {
    font-size: 20px;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 8px;
}

.market-label {
    font-size: 14px;
    opacity: 0.7;
}

/* Roadmap */
.roadmap-showcase {
    margin: 60px auto;
    max-width: 1000px;
}

.roadmap-img {
    width: 100%;
    display: block;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.roadmap-item {
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.roadmap-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12);
}

.roadmap-item.active {
    border: 2px solid var(--accent);
}

.roadmap-year {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 15px;
}

.roadmap-item h4 {
    font-size: 20px;
    margin-bottom: 12px;
}

.roadmap-item p {
    font-size: 15px;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.roadmap-status {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
}

.roadmap-status.complete {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.roadmap-status.current {
    background: rgba(0, 217, 255, 0.1);
    color: var(--accent);
}

.roadmap-status.future {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent2);
}


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

.team-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12);
}

.team-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto 15px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--gray-light);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.team-card h4 {
    font-size: 20px;
    margin-bottom: 6px;
    font-weight: 700;
}

.team-role {
    font-size: 14px;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 8px;
}

.team-title {
    font-size: 13px;
    color: var(--gray);
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-light);
}

.team-bio {
    font-size: 12px;
    color: var(--gray);
    line-height: 1.6;
    text-align: left;
}

.team-bio p {
    margin-bottom: 8px;
    padding-left: 12px;
    position: relative;
}

.team-bio p::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.08);
}

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

.contact-info-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info-item h4 {
    font-size: 18px;
    margin-bottom: 12px;
}

.contact-info-item p {
    font-size: 15px;
    opacity: 0.8;
    line-height: 1.7;
}

.address-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.address-item {
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.address-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.address-item strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--accent);
}

.address-item p {
    font-size: 14px;
    margin: 0;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 20px;
    color: white;
}

.footer-brand .logo-text {
    font-family: 'Arial Narrow', Arial, sans-serif;
    font-size: 0;
    letter-spacing: 0;
    white-space: nowrap;
}

.footer-brand .logo-text span {
    display: inline-block;
    font-size: 30px;
    margin: 0;
    padding: 0;
}

.footer-brand .logo-text .logo-a {
    color: #EA4335 !important;
}

.footer-brand .logo-text .logo-g1 {
    color: #FBBC04 !important;
}

.footer-brand .logo-text .logo-i {
    color: #34A853 !important;
}

.footer-brand .logo-text .logo-n {
    color: #34A853 !important;
}

.footer-brand .logo-text .logo-g2 {
    color: #4285F4 !important;
}

.footer-brand .logo-text .logo-l,
.footer-brand .logo-text .logo-a2,
.footer-brand .logo-text .logo-b {
    color: white !important;
}

.footer-brand .logo-accent {
    color: white !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: white !important;
    background-clip: unset !important;
    margin-left: 0;
}

.footer-brand p {
    font-size: 15px;
    opacity: 0.7;
    line-height: 1.8;
}

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

.footer-links h5 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--accent);
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 13px;
    opacity: 0.6;
}

/* Back to Top */
.btn-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
}

.btn-top.visible {
    opacity: 1;
    visibility: visible;
}

.btn-top:hover {
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .team-card {
        padding: 20px;
    }
    
    .team-avatar {
        width: 90px;
        height: 90px;
        margin-bottom: 12px;
    }
    
    .team-card h4 {
        font-size: 18px;
    }
    
    .team-bio {
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
    }
    
    .logo-text {
        font-size: 0;
    }
    
    .logo-text span {
        font-size: 24px;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 50px 0;
        transition: left 0.3s ease;
    }

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

    .nav-actions {
        gap: 10px;
    }
    
    .lang-toggle {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 42px;
        line-height: 1.1;
        margin-bottom: 20px;
    }
    
    html[lang="en"] .hero-title {
        font-size: 38px;
        line-height: 1.1;
    }
    
    html[lang="en"] .hero-title br {
        display: none;
    }
    
    html[lang="en"] .hero-title .gradient-text {
        font-size: 40px;
        line-height: 1.1;
        margin-top: 2px;
        display: block;
    }
    
    .hero-subtitle {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 30px;
        padding: 0 10px;
    }
    
    .hero-content {
        padding: 0 15px;
    }
    
    .market-chart {
        margin: 40px 0;
    }
    
    .market-img {
        max-width: 100%;
    }
    
    .hero {
        min-height: 75vh;
        padding: 80px 0 40px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        padding: 0 10px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        padding: 14px 24px;
        font-size: 14px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 32px;
    }
    
    .section-intro {
        font-size: 16px;
        margin: 20px auto 0;
        padding: 0 20px;
        white-space: normal;
    }
    
    .tech-features {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 40px 0 0;
    }
    
    .tech-feature-card {
        padding: 30px 20px;
    }
    
    .tech-feature-card h3 {
        font-size: 20px;
    }
    
    .tech-feature-card p {
        font-size: 14px;
    }

    .problem-content {
        gap: 30px;
    }
    
    .problem-image {
        max-width: 100%;
    }
    
    .content-grid-2,
    .features-grid,
    .products-grid,
    .roadmap-grid,
    .team-grid,
    .tech-features {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .market-stats {
        gap: 40px;
    }

    .market-num {
        font-size: 48px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 70vh;
        padding: 70px 0 30px;
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 1.15;
        margin-bottom: 15px;
    }
    
    html[lang="en"] .hero-title {
        font-size: 26px;
        line-height: 1.1;
    }
    
    html[lang="en"] .hero-title br {
        display: none;
    }
    
    html[lang="en"] .hero-title .gradient-text {
        font-size: 28px;
        line-height: 1.1;
        margin-top: 1px;
        display: block;
    }
    
    .hero-subtitle {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: 25px;
        padding: 0 5px;
    }
    
    .hero-content {
        padding: 0 10px;
    }
    
    .hero-buttons {
        gap: 10px;
        padding: 0 5px;
    }
    
    .hero-buttons .btn {
        padding: 12px 20px;
        font-size: 13px;
    }

    .section-title {
        font-size: 28px;
    }

    .market-num {
        font-size: 36px;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 50px 40px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.8) translateY(20px);
    transition: all 0.3s ease;
    position: relative;
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 40px;
    font-weight: 700;
    color: white;
    background: var(--gradient);
    box-shadow: 0 8px 24px rgba(0, 217, 255, 0.4);
    animation: modalIconPop 0.5s ease;
}

.modal-icon.success {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

.modal-icon.error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
}

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

.modal-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 15px;
    line-height: 1.3;
}

.modal-message {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.6;
    margin: 0 0 30px;
}

.modal-close {
    min-width: 120px;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .modal-content {
        padding: 40px 30px;
        max-width: 90%;
    }
    
    .modal-icon {
        width: 70px;
        height: 70px;
        font-size: 35px;
    }
    
    .modal-title {
        font-size: 24px;
    }
    
    .modal-message {
        font-size: 15px;
    }
}