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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --bg: #0b0f1a;
    --bg-card: #141929;
    --bg-card-hover: #1a2035;
    --bg-surface: #111627;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border: #1e293b;
    --border-light: #334155;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Navbar ---- */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(11, 15, 26, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.navbar.hidden {
    transform: translateY(-100%);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 800;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Buttons ---- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border-light);
}

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

.btn-nav {
    background: var(--primary);
    color: #fff;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
}

.btn-nav:hover {
    background: var(--primary-dark);
    color: #fff;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
    border-radius: var(--radius);
}

/* ---- Hero ---- */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-card {
    position: absolute;
    font-size: 6rem;
    opacity: 0.04;
    animation: float 20s ease-in-out infinite;
    user-select: none;
}

.hero-card-1 { top: 10%; left: 5%; animation-delay: 0s; }
.hero-card-2 { top: 20%; right: 8%; animation-delay: -4s; font-size: 8rem; }
.hero-card-3 { bottom: 20%; left: 12%; animation-delay: -8s; }
.hero-card-4 { bottom: 10%; right: 15%; animation-delay: -12s; font-size: 5rem; }
.hero-card-5 { top: 50%; left: 50%; animation-delay: -6s; font-size: 10rem; }
.hero-card-6 { top: 35%; right: 25%; animation-delay: -15s; font-size: 7rem; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(3deg); }
    50% { transform: translateY(10px) rotate(-2deg); }
    75% { transform: translateY(-15px) rotate(1deg); }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    margin-bottom: 28px;
    letter-spacing: 0.02em;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 580px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hero-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
}

.hero-stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.hero-stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border);
}

/* ---- Sections ---- */

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* ---- Features ---- */

.features {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(24px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.65;
}

/* ---- Games ---- */

.game-spotlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(24px);
}

.game-spotlight.visible {
    opacity: 1;
    transform: translateY(0);
}

.game-spotlight-visual {
    display: flex;
    justify-content: center;
}

.card-table {
    background: #1a5c2a;
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    box-shadow: inset 0 2px 20px rgba(0, 0, 0, 0.3), var(--shadow-lg);
    display: flex;
    align-items: flex-end;
    gap: 32px;
    justify-content: center;
    min-height: 260px;
    border: 3px solid #2d7a42;
    position: relative;
}

.card-fan {
    display: flex;
    gap: -20px;
}

.playing-card {
    width: 60px;
    height: 88px;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: transform 0.3s ease;
    border: 1px solid #ddd;
    position: relative;
}

.playing-card:hover {
    transform: translateY(-12px);
}

.card-fan .playing-card {
    margin-left: -16px;
}

.card-fan .playing-card:first-child {
    margin-left: 0;
}

.card-1 { transform: rotate(-12deg); }
.card-2 { transform: rotate(-6deg); }
.card-3 { transform: rotate(0deg); }
.card-4 { transform: rotate(6deg); }
.card-5 { transform: rotate(12deg); }

.card-suit {
    font-size: 1.2rem;
    line-height: 1;
}

.card-suit.red { color: #dc2626; }
.card-suit.black { color: #1e293b; }

.card-rank {
    font-size: 1rem;
    color: #1e293b;
    line-height: 1;
    margin-top: 4px;
}

.discard-pile {
    position: relative;
}

.discard::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 8px;
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

.game-spotlight-info h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.game-spotlight-info p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.game-status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.game-status-badge.live {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
    margin-bottom: 12px;
}

.game-status-badge.upcoming {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-dim);
    border: 1px solid var(--border);
}

.game-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.game-features-list li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-left: 20px;
    position: relative;
}

.game-features-list li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: #4ade80;
    font-weight: 700;
}

.games-grid-upcoming {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.game-tile {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.game-tile.visible {
    opacity: 1;
    transform: translateY(0);
}

.game-tile:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
}

.game-tile-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.game-tile h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.game-tile p {
    color: var(--text-dim);
    font-size: 0.82rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

/* ---- How It Works ---- */

.how-it-works {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.steps {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
}

.step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

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

.step-connector {
    width: 2px;
    height: 40px;
    background: var(--border);
    margin: 0 0 0 23px;
}

/* ---- Tech ---- */

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.tech-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.tech-card:hover {
    border-color: var(--border-light);
}

.tech-card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}

.tech-label {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--primary-light);
}

.tech-list {
    list-style: none;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tech-list li {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.tech-list strong {
    color: var(--text);
}

.requirements-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}

.requirements-box.visible {
    opacity: 1;
    transform: translateY(0);
}

.requirements-box h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.requirements-list {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.requirement {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.req-icon {
    color: var(--primary-light);
    font-size: 0.7rem;
}

/* ---- CTA ---- */

.cta-section {
    padding: 60px 0 100px;
}

.cta-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(14, 165, 233, 0.08) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}

.cta-box.visible {
    opacity: 1;
    transform: translateY(0);
}

.cta-box h2 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-box p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 28px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* ---- Footer ---- */

.footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 1.1rem;
}

.footer-text {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.footer-text a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-text a:hover {
    color: var(--primary-light);
}

/* ---- Animations ---- */

.feature-card,
.step,
.tech-card,
.game-tile,
.game-spotlight,
.cta-box,
.requirements-box {
    transition: opacity 0.6s ease, transform 0.6s ease, background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.game-tile:nth-child(1) { transition-delay: 0s; }
.game-tile:nth-child(2) { transition-delay: 0.07s; }
.game-tile:nth-child(3) { transition-delay: 0.14s; }
.game-tile:nth-child(4) { transition-delay: 0.21s; }
.game-tile:nth-child(5) { transition-delay: 0.28s; }

.feature-card:nth-child(1) { transition-delay: 0s; }
.feature-card:nth-child(2) { transition-delay: 0.08s; }
.feature-card:nth-child(3) { transition-delay: 0.16s; }
.feature-card:nth-child(4) { transition-delay: 0.24s; }
.feature-card:nth-child(5) { transition-delay: 0.32s; }
.feature-card:nth-child(6) { transition-delay: 0.40s; }

/* ---- Responsive ---- */

@media (max-width: 960px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .tech-grid .tech-card:last-child {
        grid-column: 1 / -1;
    }

    .game-spotlight {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .games-grid-upcoming {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 280px;
        background: var(--bg-card);
        border-left: 1px solid var(--border);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 20px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 99;
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1rem;
    }

    .hero {
        min-height: auto;
        padding: 140px 0 80px;
    }

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

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

    .tech-grid .tech-card:last-child {
        grid-column: auto;
    }

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

    .card-table {
        padding: 32px 24px;
        gap: 20px;
    }

    .playing-card {
        width: 48px;
        height: 72px;
    }

    .card-suit { font-size: 1rem; }
    .card-rank { font-size: 0.85rem; }

    .requirements-list {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .hero-stats {
        gap: 20px;
    }

    .cta-box {
        padding: 48px 24px;
    }
}

@media (max-width: 480px) {
    .games-grid-upcoming {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }
}