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

:root {
    --color-bg: #0a0e1a;
    --color-surface: #121826;
    --color-surface-light: #1a2332;
    --color-primary: #00ff88;
    --color-accent: #ff6b35;
    --color-text: #e8edf3;
    --color-text-muted: #8b95a8;
    --color-border: rgba(255, 255, 255, 0.08);
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Grain Overlay */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulance type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.5;
}

/* Floating Background Elements */
.floating-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.float-element {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: floating 25s infinite ease-in-out;
}

.float-element:nth-child(1) {
    background: var(--color-primary);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.float-element:nth-child(2) {
    background: var(--color-accent);
    top: 50%;
    right: -200px;
    animation-delay: 5s;
}

.float-element:nth-child(3) {
    background: #4d9eff;
    bottom: -200px;
    left: 30%;
    animation-delay: 10s;
}

.float-element:nth-child(4) {
    background: #b84dff;
    top: 20%;
    left: 50%;
    animation-delay: 15s;
}

@keyframes floating {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, 100px) scale(1.1); }
    50% { transform: translate(-30px, 50px) scale(0.9); }
    75% { transform: translate(70px, -50px) scale(1.05); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-text);
}

.nav {
    display: flex;
    gap: 2.5rem;
}

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

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

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s;
}

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

.cta-btn {
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

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

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

.hero-heading {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.line-1 {
    color: var(--color-text);
}

.line-2 {
    background: linear-gradient(135deg, var(--color-primary) 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
}

.primary-action {
    position: relative;
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
    padding: 1.25rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    overflow: hidden;
}

.primary-action:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.4);
}

.action-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.primary-action:hover .action-glow {
    left: 100%;
}

.secondary-action {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    padding: 1.25rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s;
}

.secondary-action:hover {
    border-color: var(--color-primary);
    background: rgba(0, 255, 136, 0.05);
}

.hero-metrics {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.metric-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

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

.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.visual-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(20px);
    animation: card-float 6s infinite ease-in-out;
}

.visual-card.card-1 {
    animation-delay: 0s;
}

.visual-card.card-2 {
    animation-delay: 2s;
}

.visual-card.card-3 {
    animation-delay: 4s;
}

@keyframes card-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.card-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.card-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.bingo-grid-mini {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.mini-cell {
    width: 20px;
    height: 20px;
    background: var(--color-surface-light);
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.mini-cell.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* Features Section */
.features-section {
    position: relative;
    padding: 8rem 2rem;
    background: var(--color-surface);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-heading {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 4rem;
    color: var(--color-text);
}

.features-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
    cursor: pointer;
}

.feature-item:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.15);
}

.feature-icon-box {
    width: 56px;
    height: 56px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon-box svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.feature-item h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.feature-item p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Experience Section */
.experience-section {
    position: relative;
    padding: 8rem 2rem;
}

.experience-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.experience-text {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.experience-points {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.point {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.point-marker {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.point-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.point-desc {
    color: var(--color-text-muted);
}

.showcase-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(20px);
}

.showcase-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.showcase-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.showcase-badge {
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.bingo-board {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
}

.board-col {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.board-letter {
    background: var(--color-bg);
    color: var(--color-primary);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.board-num {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all 0.3s;
}

.board-num.active {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.board-num.free {
    background: rgba(255, 107, 53, 0.2);
    color: var(--color-accent);
    border-color: var(--color-accent);
    font-size: 1.5rem;
}

/* Community Section */
.community-section {
    position: relative;
    padding: 8rem 2rem;
    background: var(--color-surface);
}

.community-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.community-desc {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 4rem;
}

.community-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-box {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.3s;
}

.stat-box:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-primary);
}

.stat-info {
    text-align: left;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
}

.stat-text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Download CTA Section */
.download-cta-section {
    position: relative;
    padding: 8rem 2rem;
}

.download-cta-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.cta-content {
    text-align: left;
}

.cta-heading {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.cta-subheading {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.download-main-btn {
    position: relative;
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
    border-radius: 16px;
    padding: 0;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s;
}

.download-main-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 255, 136, 0.4);
}

.btn-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.75rem 2.5rem;
    position: relative;
    z-index: 2;
}

.btn-text {
    text-align: left;
}

.btn-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.btn-subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.download-main-btn:hover .btn-shine {
    left: 100%;
}

.device-frame {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 40px;
    padding: 2rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.device-screen {
    background: var(--color-bg);
    border-radius: 30px;
    padding: 3rem 2rem;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.device-app {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.app-logo {
    width: 60px;
    height: 60px;
    color: var(--color-primary);
}

.app-info {
    text-align: left;
}

.app-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.app-subtitle {
    color: var(--color-text-muted);
}

.app-action {
    width: 80px;
    height: 80px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.app-action:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

.play-icon {
    font-size: 2rem;
    color: var(--color-bg);
}

/* Footer */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 4rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.footer-logo span {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.footer-tagline {
    color: var(--color-text-muted);
    line-height: 1.7;
}

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

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-title {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 2rem;
}

.social-link {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-visual {
        display: none;
    }
}

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

    .experience-grid,
    .download-cta-container {
        grid-template-columns: 1fr;
    }

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

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

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

    .hero-metrics {
        flex-wrap: wrap;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 600px) {
    .hero-actions {
        flex-direction: column;
    }

    .hero-actions button {
        width: 100%;
        justify-content: center;
    }

    .community-stats {
        grid-template-columns: 1fr;
    }
}