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

:root {
    --bg-dark: #0A0A0F;
    --bg-card: #16161D;
    --bg-card-hover: #1E1E28;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0B0;
    --text-muted: #6B6B7B;
    --border: #2A2A3A;
    --accent: #00C9A7;
    --accent-hover: #00E5BD;
    --accent-secondary: #2D7FF9;
    --orange: #F7931A;
    --purple: #9945FF;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Background Effects */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 201, 167, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 201, 167, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    top: -150px;
    right: -100px;
    opacity: 0.15;
    animation: float1 20s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-secondary);
    bottom: 20%;
    left: -100px;
    opacity: 0.1;
    animation: float2 15s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, 30px); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(40px, -20px); }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--accent);
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-actions {
    display: flex;
    gap: 1rem;
}

.btn-nav {
    padding: 0.625rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 50px;
    transition: all 0.3s;
}

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

.btn-primary-nav {
    padding: 0.625rem 1.5rem;
    background: var(--accent);
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-primary-nav:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* Main */
main {
    position: relative;
    z-index: 1;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 201, 167, 0.1);
    border: 1px solid rgba(0, 201, 167, 0.3);
    padding: 0.625rem 1.25rem;
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--accent);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-main {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--accent);
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s;
    box-shadow: 0 8px 30px rgba(0, 201, 167, 0.3);
}

.btn-main:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 201, 167, 0.4);
}

.btn-main svg {
    width: 20px;
    height: 20px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* Phone Mockup */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background: var(--bg-card);
    border-radius: 40px;
    border: 3px solid var(--border);
    padding: 10px;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 30px 60px rgba(0, 0, 0, 0.5),
        0 0 100px rgba(0, 201, 167, 0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1A1A24 0%, #0F0F15 100%);
    border-radius: 32px;
    padding: 1.5rem;
    overflow: hidden;
}

.screen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.screen-price {
    margin-bottom: 1rem;
}

.price-main {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.price-change {
    font-size: 0.875rem;
    font-weight: 600;
}

.price-change.up {
    color: var(--accent);
}

.screen-chart {
    height: 100px;
    margin-bottom: 1.5rem;
}

.chart-svg {
    width: 100%;
    height: 100%;
}

.screen-coins {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.coin-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    font-size: 0.875rem;
}

.coin-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
    font-weight: 700;
}

.coin-icon.btc { background: var(--orange); }
.coin-icon.eth { background: #627EEA; }
.coin-icon.okb { background: #2FA67E; }

.coin-item span:nth-child(2) {
    flex: 1;
    color: var(--text-secondary);
}

.coin-up {
    color: var(--accent) !important;
    font-weight: 600;
}

/* Features */
.features {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    background: rgba(0, 201, 167, 0.1);
    border: 1px solid rgba(0, 201, 167, 0.2);
    color: var(--accent);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 201, 167, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 201, 167, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Coins Section */
.coins-section {
    padding: 4rem 0 6rem;
}

.coins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.coin-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s;
}

.coin-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.coin-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.coin-info {
    display: flex;
    gap: 0.75rem;
}

.coin-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    font-weight: 700;
}

.coin-logo.btc { background: var(--orange); }
.coin-logo.eth { background: #627EEA; }
.coin-logo.okb { background: #2FA67E; }
.coin-logo.sol { background: linear-gradient(135deg, var(--purple), #14F195); }

.coin-info h4 {
    font-size: 1rem;
    margin-bottom: 0.125rem;
}

.coin-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.coin-price {
    text-align: right;
}

.coin-price span:first-child {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.coin-price .up {
    color: var(--accent);
    font-size: 0.875rem;
    font-weight: 600;
}

.coin-chart {
    height: 60px;
}

.coin-chart svg {
    width: 100%;
    height: 100%;
}

.coins-more {
    text-align: center;
    margin-top: 2.5rem;
}

.btn-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.btn-link:hover {
    opacity: 0.8;
}

/* Download Section */
.download-section {
    padding: 6rem 0;
}

.download-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 4rem;
    overflow: hidden;
    position: relative;
}

.download-text {
    flex: 1;
}

.download-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download-text p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.download-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.df-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.df-icon {
    width: 24px;
    height: 24px;
    background: rgba(0, 201, 167, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: bold;
}

.download-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.app-preview {
    width: 220px;
    height: 450px;
    background: var(--bg-dark);
    border-radius: 30px;
    border: 2px solid var(--border);
    padding: 8px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.app-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1A1A24 0%, #0F0F15 100%);
    border-radius: 24px;
    padding: 1rem;
}

.app-header {
    margin-bottom: 1.5rem;
}

.app-nav {
    display: flex;
    gap: 4px;
}

.app-nav span {
    width: 8px;
    height: 8px;
    background: var(--border);
    border-radius: 50%;
}

.app-content {
    padding: 0.5rem;
}

.app-balance {
    text-align: center;
    margin-bottom: 1.5rem;
}

.app-balance span:first-child {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.balance-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.app-coins {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.app-coin {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.app-btn {
    display: block;
    width: 100%;
    padding: 0.875rem;
    background: var(--accent);
    border: none;
    border-radius: 12px;
    color: var(--bg-dark);
    font-weight: 600;
    cursor: pointer;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
}

.cta-content {
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 201, 167, 0.1), rgba(45, 127, 249, 0.1));
    border: 1px solid rgba(0, 201, 167, 0.2);
    border-radius: 30px;
    padding: 5rem 2rem;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn-white {
    padding: 1rem 2.5rem;
    background: var(--accent);
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-white:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline-white {
    padding: 1rem 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-outline-white:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Footer */
footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 300px;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.3s;
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 6rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-desc {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        margin-top: 2rem;
    }

    .download-content {
        flex-direction: column;
        text-align: center;
        padding: 2.5rem;
    }

    .download-features {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat-divider {
        display: none;
    }

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

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

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

    .footer-brand {
        grid-column: span 1;
    }
}