/* Modern Trading Platform Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
    /* Professional Trading Colors */
    --primary-dark: #0F172A;
    --secondary-dark: #1E293B;
    --accent-blue: #2563EB;
    --electric-blue: #3B82F6;
    --success-green: #10B981;
    --warning-amber: #F59E0B;
    --danger-red: #EF4444;

    /* Glass Morphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #334155 100%);
    --gradient-accent: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
    --gradient-success: linear-gradient(135deg, #10B981 0%, #34D399 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Spacing (8px grid) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: #E2E8F0;
    background: var(--gradient-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
}

/* Animated Background Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-blue);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-10vh) translateX(100px);
        opacity: 0;
    }
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

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

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Stagger animation delays */
.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-400 { animation-delay: 0.4s; }
.animate-delay-500 { animation-delay: 0.5s; }

/* Modern Glass Header */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-4) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid rgba(37, 99, 235, 0.2);
    box-shadow: var(--shadow-xl);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.logo-icon::before {
    content: '₿';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.logo-text {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: white;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.navigation {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: var(--font-weight-medium);
    font-size: 15px;
    position: relative;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

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

.contact-btn {
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-xl);
    font-weight: var(--font-weight-semibold);
    font-size: 14px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
}

.contact-btn::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;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: var(--space-1);
    margin-right: var(--space-4);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-width: 50px;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.lang-btn::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;
}

.lang-btn:hover {
    color: white;
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.lang-btn.active {
    color: white;
    background: var(--gradient-accent);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.lang-btn.active::before {
    display: none;
}

.lang-btn .flag {
    font-size: 16px;
    line-height: 1;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.lang-btn .lang-text {
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    margin-top: 1px;
}

/* Modern Hero Section */
.hero {
    padding: var(--space-20) 0 var(--space-16);
    margin-top: 80px;
    position: relative;
    overflow: hidden;
    background: var(--gradient-primary);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 10%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.2s forwards;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.1;
    margin-bottom: var(--space-6);
    color: white;
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-success);
    border-radius: 2px;
    animation: shimmer 2s infinite;
}

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

.hero-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-8);
    line-height: 1.7;
    font-weight: var(--font-weight-normal);
}

.cta-btn {
    background: var(--gradient-success);
    color: white;
    border: none;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-xl);
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
}

.cta-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(16, 185, 129, 0.4);
}

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

.cta-btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* Hero Video Section */
.hero-video {
    display: flex;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.video-container {
    width: 100%;
    max-width: 560px;
    height: 315px;
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    animation: videoFloat 8s ease-in-out infinite 2s;
}

@keyframes videoFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        box-shadow: var(--shadow-xl);
    }
    33% {
        transform: translateY(-8px) rotate(0.5deg);
        box-shadow: var(--shadow-xl), 0 15px 30px rgba(37, 99, 235, 0.1);
    }
    66% {
        transform: translateY(-4px) rotate(-0.3deg);
        box-shadow: var(--shadow-xl), 0 10px 25px rgba(16, 185, 129, 0.1);
    }
}

.video-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
        transparent 30%,
        rgba(37, 99, 235, 0.05) 50%,
        transparent 70%);
    animation: videoShimmer 6s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
    border-radius: var(--radius-2xl);
}

@keyframes videoShimmer {
    0%, 100% { opacity: 0; transform: translateX(-100%); }
    50% { opacity: 1; transform: translateX(100%); }
}

.video-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius-2xl);
    position: relative;
    z-index: 2;
}

/* Modern Stats Section */
.stats {
    padding: var(--space-20) 0;
    background: var(--gradient-primary);
    position: relative;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    padding: var(--space-8) var(--space-6);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(37, 99, 235, 0.2);
    border-color: rgba(37, 99, 235, 0.3);
}

.stat-item:hover::before {
    opacity: 0.05;
}

.stat-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.stat-icon.automation {
    background: var(--gradient-accent);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
}

.stat-icon.money {
    background: var(--gradient-success);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.stat-icon.users {
    background: linear-gradient(135deg, #8B5CF6, #A855F7);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

.stat-icon.satisfaction {
    background: linear-gradient(135deg, var(--warning-amber), #FCD34D);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.stat-item:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
}

.stat-icon::before {
    content: '⚡';
    font-size: 32px;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-icon.money::before { content: '💰'; }
.stat-icon.users::before { content: '👥'; }
.stat-icon.satisfaction::before { content: '✓'; }

.stat-content h3 {
    font-size: 32px;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-2);
    color: white;
    counter-reset: stat-counter;
    position: relative;
}

.stat-content h3.count-animation {
    animation: countUp 2s ease-out forwards;
}

@keyframes countUp {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

.stat-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
}

/* Floating animation for stats - applied after fadeInUp completes */
@keyframes statFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.stat-item:nth-child(1) {
    animation: fadeInUp 0.8s ease-out 0.1s both, statFloat 4s ease-in-out infinite 1s;
}
.stat-item:nth-child(2) {
    animation: fadeInUp 0.8s ease-out 0.2s both, statFloat 4s ease-in-out infinite 1.5s;
}
.stat-item:nth-child(3) {
    animation: fadeInUp 0.8s ease-out 0.3s both, statFloat 4s ease-in-out infinite 2s;
}
.stat-item:nth-child(4) {
    animation: fadeInUp 0.8s ease-out 0.4s both, statFloat 4s ease-in-out infinite 2.5s;
}

/* Modern Exchanges Section */
.exchanges {
    padding: var(--space-20) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.exchanges::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 90% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-extrabold);
    color: white;
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 2;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-16);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-size: 18px;
    line-height: 1.7;
    position: relative;
    z-index: 2;
}

.exchanges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    position: relative;
    z-index: 2;
}

.exchange-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.exchange-card:nth-child(1) { animation-delay: 0.1s; }
.exchange-card:nth-child(2) { animation-delay: 0.2s; }
.exchange-card:nth-child(3) { animation-delay: 0.3s; }
.exchange-card:nth-child(4) { animation-delay: 0.4s; }
.exchange-card:nth-child(5) { animation-delay: 0.5s; }
.exchange-card:nth-child(6) { animation-delay: 0.6s; }
.exchange-card:nth-child(7) { animation-delay: 0.7s; }
.exchange-card:nth-child(8) { animation-delay: 0.8s; }

.exchange-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.exchange-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: var(--shadow-xl), 0 0 50px rgba(37, 99, 235, 0.2);
    border-color: rgba(37, 99, 235, 0.4);
}

.exchange-card:hover::before {
    opacity: 0.05;
}

.card-header {
    margin-bottom: var(--space-6);
}

.crypto-tag {
    background: var(--gradient-success);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-xl);
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
    animation: pulse 3s infinite;
}

.exchange-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-6);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    padding: var(--space-3);
}

.exchange-card:hover .exchange-logo {
    transform: scale(1.05) rotate(-2deg);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.logo-img {
    width: 100%;
    height: 100%;
    max-width: 100px;
    max-height: 100px;
    object-fit: contain;
    filter: brightness(1.2);
    transition: all 0.3s ease;
}

.exchange-card:hover .logo-img {
    filter: brightness(1.4) drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
    transform: scale(1.1);
}

.exchange-card h3 {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-6);
    color: white;
}

.rebate-info, .referral-info {
    margin-bottom: var(--space-4);
}

.rebate-label, .referral-label {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-2);
    font-weight: var(--font-weight-medium);
}

.rebate-value {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.referral-code {
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    color: white;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.referral-code:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.register-btn {
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-xl);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    margin-bottom: var(--space-4);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 14px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.register-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(37, 99, 235, 0.4);
}

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

.guide-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    transition: all 0.3s ease;
    position: relative;
}

.guide-link:hover {
    color: white;
    text-decoration: none;
}

.guide-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gradient-accent);
    transition: width 0.3s ease;
}

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

/* Modern Information Section */
.info {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    animation: backgroundFlow 20s ease-in-out infinite;
}

@keyframes backgroundFlow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.info-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.info-text {
    animation: slideInLeft 1s ease-out;
}

.info-text h2 {
    font-size: 3rem;
    font-weight: var(--font-weight-extrabold);
    color: white;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--accent-blue), #60A5FA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.info-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), #60A5FA);
    border-radius: 2px;
    animation: lineExpand 1s ease-out 0.5s both;
}

@keyframes lineExpand {
    from { width: 0; }
    to { width: 60px; }
}

.info-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.info-features {
    margin: 3rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 0;
    transform: translateX(-30px);
    animation: slideInStagger 0.6s ease-out both;
    position: relative;
    overflow: hidden;
}

.feature-item:nth-child(1) { animation-delay: 0.6s; }
.feature-item:nth-child(2) { animation-delay: 0.8s; }
.feature-item:nth-child(3) { animation-delay: 1s; }

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.6s ease;
}

.feature-item:hover {
    transform: translateX(10px) scale(1.02);
    background: rgba(37, 99, 235, 0.15);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

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

.checkmark {
    color: #10B981;
    font-size: 1.3rem;
    margin-right: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.feature-item span:last-child {
    color: white;
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
}

.info-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out;
}

.chart-placeholder {
    width: 100%;
    height: 400px;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.chart-placeholder:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.chart-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
        transparent 30%,
        rgba(37, 99, 235, 0.1) 50%,
        transparent 70%);
    animation: chartShimmer 3s ease-in-out infinite;
}

.chart-placeholder::after {
    content: '📊';
    font-size: 4rem;
    opacity: 0.5;
    position: relative;
    z-index: 2;
    animation: chartPulse 2s ease-in-out infinite;
}

@keyframes chartShimmer {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

@keyframes chartPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

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

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

@keyframes slideInStagger {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Modern Footer */
.footer {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-20) 0 var(--space-8);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 60%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
    position: relative;
    z-index: 2;
}

.footer-section {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.footer-section:nth-child(1) { animation-delay: 0.1s; }
.footer-section:nth-child(2) { animation-delay: 0.2s; }
.footer-section:nth-child(3) { animation-delay: 0.3s; }
.footer-section:nth-child(4) { animation-delay: 0.4s; }

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-6);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 1px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: var(--space-4);
    font-size: 15px;
    transition: color 0.3s ease;
}

.footer-section:hover p {
    color: rgba(255, 255, 255, 0.9);
}

.contact-info p {
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all 0.3s ease;
}

.contact-info p:hover {
    transform: translateX(5px);
    color: white;
}

.contact-footer-btn {
    background: var(--gradient-success);
    color: white;
    border: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-xl);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-lg);
}

.contact-footer-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
}

.contact-footer-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-xl), 0 0 25px rgba(16, 185, 129, 0.4);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.footer .logo-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
}

.footer .logo-icon::before {
    content: '₿';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: white;
}

.footer .logo-text {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: white;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-6);
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 100px;
    height: 1px;
    background: var(--gradient-accent);
    transform: translateX(-50%);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
}

/* Enhanced Mobile Responsiveness */

/* Large tablets and small desktops */
@media (max-width: 1200px) {
    .container {
        max-width: 1200px;
        padding: 0 var(--space-4);
    }

    .hero-content {
        gap: var(--space-12);
    }

    .trading-dashboard {
        width: 400px;
        height: 280px;
    }

    .stats-grid {
        gap: var(--space-6);
    }

    .exchanges-grid {
        gap: var(--space-6);
    }
}

/* Tablets */
@media (max-width: 992px) {
    .container {
        padding: 0 var(--space-4);
    }

    .navigation {
        gap: var(--space-4);
    }

    .nav-link {
        font-size: 14px;
        padding: var(--space-2) var(--space-3);
    }

    .hero {
        padding: var(--space-16) 0 var(--space-12);
    }

    .hero-content {
        gap: var(--space-8);
    }

    .trading-dashboard {
        width: 350px;
        height: 245px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .exchanges-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-4);
    }

    .info-content {
        gap: var(--space-12);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }
}

/* Mobile landscape and small tablets */
@media (max-width: 768px) {
    /* Hide navigation, could be replaced with mobile menu */
    .navigation {
        display: none;
    }

    /* Keep language switcher visible on mobile */
    .language-switcher {
        margin-right: var(--space-2);
        margin-left: auto;
    }

    /* Add mobile menu button */
    .header .container::after {
        content: '☰';
        font-size: 24px;
        color: white;
        cursor: pointer;
        display: block;
        padding: var(--space-2);
        margin-left: var(--space-2);
    }

    .hero {
        padding: var(--space-12) 0 var(--space-8);
        margin-top: 70px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }

    .hero-description {
        font-size: 16px;
    }

    .video-container {
        max-width: 100%;
        height: 250px;
    }

    .stats {
        padding: var(--space-16) 0;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .stat-item {
        padding: var(--space-6) var(--space-4);
    }

    .stat-icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--space-4);
    }

    .stat-icon::before {
        font-size: 24px;
    }

    .stat-content h3 {
        font-size: 24px;
    }

    .exchanges {
        padding: var(--space-16) 0;
    }

    .section-title {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
        margin-bottom: var(--space-4);
    }

    .section-subtitle {
        font-size: 16px;
        margin-bottom: var(--space-12);
    }

    .exchanges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .exchange-card {
        padding: var(--space-6);
    }

    .exchange-logo {
        width: 100px;
        height: 100px;
        margin-bottom: var(--space-4);
        padding: var(--space-2);
    }

    .logo-img {
        max-width: 80px;
        max-height: 80px;
    }

    .exchange-card h3 {
        font-size: 20px;
        margin-bottom: var(--space-4);
    }

    .info {
        padding: var(--space-16) 0;
    }

    .info-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .info-text h2 {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

    .info-text p {
        font-size: 16px;
    }

    .feature-item {
        padding: var(--space-4);
        text-align: left;
    }

    .footer {
        padding: var(--space-16) 0 var(--space-6);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    /* Touch-friendly interactions */
    .contact-btn,
    .cta-btn,
    .register-btn,
    .contact-footer-btn {
        min-height: 48px;
        font-size: 16px;
        padding: var(--space-3) var(--space-6);
    }
}

/* Mobile portrait */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }

    .header {
        padding: var(--space-3) 0;
    }

    .logo-text {
        font-size: 18px;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
    }

    /* Compact language switcher for small screens */
    .language-switcher {
        margin-right: var(--space-1);
        padding: 2px;
        gap: 2px;
    }

    .lang-btn {
        padding: var(--space-1) var(--space-2);
        min-width: 44px;
        gap: var(--space-1);
    }

    .lang-btn .flag {
        font-size: 14px;
    }

    .lang-btn .lang-text {
        font-size: 10px;
    }

    .hero {
        padding: var(--space-8) 0 var(--space-6);
        margin-top: 60px;
    }

    .hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: var(--space-4);
    }

    .hero-description {
        font-size: 15px;
        margin-bottom: var(--space-6);
    }

    .cta-btn {
        font-size: 14px;
        padding: var(--space-3) var(--space-6);
    }

    .video-container {
        max-width: 100%;
        height: 200px;
        margin: 0 auto;
    }

    .stats {
        padding: var(--space-12) 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .stat-item {
        padding: var(--space-6);
    }

    .exchanges {
        padding: var(--space-12) 0;
    }

    .section-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
        line-height: 1.2;
    }

    .exchanges-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .exchange-card {
        padding: var(--space-4);
    }

    .exchange-card h3 {
        font-size: 18px;
    }

    .rebate-value {
        font-size: 18px;
    }

    .info {
        padding: var(--space-12) 0;
    }

    .info-text h2 {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .feature-item {
        padding: var(--space-3);
        margin-bottom: var(--space-3);
    }

    .checkmark {
        width: 24px;
        height: 24px;
        font-size: 1rem;
        margin-right: var(--space-3);
    }

    .chart-placeholder {
        height: 200px;
    }

    .footer {
        padding: var(--space-12) 0 var(--space-4);
    }

    .footer-content {
        gap: var(--space-6);
    }

    .footer-section h4 {
        font-size: 1.1rem;
        margin-bottom: var(--space-4);
    }

    .footer-section p {
        font-size: 14px;
    }
}

/* Extra small devices */
@media (max-width: 320px) {
    .container {
        padding: 0 var(--space-2);
    }

    .hero-title {
        font-size: clamp(1.5rem, 10vw, 2rem);
    }

    .trading-dashboard {
        max-width: 100%;
        height: 180px;
    }

    .section-title {
        font-size: clamp(1.3rem, 8vw, 1.8rem);
    }

    .exchange-card,
    .stat-item,
    .feature-item {
        padding: var(--space-3);
    }
}

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

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .trading-dashboard {
        animation: none !important;
    }

    .particles {
        display: none !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    /* Already using dark theme, but could add light mode toggle */
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Button Animations */
button, .nav-link, .guide-link {
    transition: all 0.3s ease;
}

/* Hover Effects */
.exchange-card:hover .exchange-logo {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.stat-item:hover .stat-icon {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}