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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #f59e0b;
    --background: #0f0f1a;
    --surface: #1a1a2e;
    --surface-light: #252542;
    --text: #ffffff;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text);
}

.btn-nav {
    background: var(--gradient-1);
    padding: 10px 24px;
    border-radius: 50px;
    color: var(--text) !important;
    font-weight: 600;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 100px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    left: -200px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-purple);
    bottom: -150px;
    right: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(0, 50px) scale(1); }
    75% { transform: translate(-50px, -25px) scale(0.9); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

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

.badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-1);
    color: var(--text);
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 1.125rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.5);
}

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

.trust-badges {
    display: flex;
    gap: 24px;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.badge-item svg {
    color: var(--accent-green);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #2a2a3e, #1a1a2e);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg), 0 0 100px rgba(99, 102, 241, 0.2);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 30px;
    background: #0f0f1a;
    border-radius: 20px;
}

.phone-screen {
    background: linear-gradient(180deg, #1a1a2e 0%, #252542 100%);
    height: 100%;
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.app-header {
    padding: 60px 20px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.coins {
    background: rgba(245, 158, 11, 0.2);
    color: var(--secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
}

.card-scene {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    perspective: 1000px;
    padding: 20px;
}

.card {
    width: 50px;
    height: 70px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    animation: cardFloat 3s ease-in-out infinite;
}

.card-1 { color: #1a1a2e; animation-delay: 0s; }
.card-2 { color: #ef4444; animation-delay: 0.2s; }
.card-3 { color: #3b82f6; animation-delay: 0.4s; }
.card-4 { color: #1a1a2e; animation-delay: 0.6s; }
.deck {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    font-size: 1.5rem;
    animation-delay: 0.8s;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.app-footer {
    padding: 20px;
    text-align: center;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    font-weight: 500;
    font-size: 0.875rem;
}

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

.section-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--background) 0%, var(--surface) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--surface-light);
    padding: 32px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* How It Works */
.how-it-works {
    padding: 120px 0;
    background: var(--background);
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.step {
    text-align: center;
    max-width: 300px;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-glow);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-secondary);
}

.step-connector {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent-purple));
    margin: 0 20px;
    margin-top: -100px;
}

/* Download Section */
.download-section {
    padding: 120px 0;
    background: var(--surface);
}

.download-card {
    background: linear-gradient(135deg, var(--surface-light) 0%, rgba(99, 102, 241, 0.1) 100%);
    border-radius: 32px;
    padding: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.download-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.download-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.download-info {
    display: flex;
    gap: 32px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.info-item svg {
    color: var(--primary-light);
}

.download-action {
    text-align: center;
}

.btn-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-1);
    color: var(--text);
    padding: 24px 48px;
    border-radius: 50px;
    font-size: 1.25rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
}

.btn-large:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 80px rgba(99, 102, 241, 0.5);
}

.download-note {
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.footer-brand img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    max-width: 500px;
    text-align: right;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-description {
        max-width: none;
    }

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

    .trust-badges {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps {
        flex-direction: column;
        gap: 40px;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        margin: 0;
    }

    .download-card {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .download-info {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

    .footer-text {
        text-align: center;
    }

    .download-card {
        padding: 40px 24px;
    }
}