:root {
    --bg: #020409;
    --bg-secondary: #060b15;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-strong: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.08);
    --text: #f8fafc;
    --muted: #9ba7c6;
    --accent: #f4b752;
    --accent-strong: #f97316;
    --accent-alt: #38bdf8;
    --shadow-soft: 0 20px 60px rgba(3, 7, 18, 0.6);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --nav-height: 76px;
}

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

body {
    font-family: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(250, 204, 21, 0.08), transparent 45%),
        radial-gradient(circle at 80% 0%, rgba(14, 165, 233, 0.15), transparent 45%),
        linear-gradient(180deg, #010308, #050913);
    color: var(--text);
    line-height: 1.6;
    letter-spacing: 0.2px;
    min-height: 100vh;
}

img {
    max-width: 100%;
    display: block;
}

main {
    overflow: hidden;
}

.container {
    width: min(1200px, 92vw);
    margin: 0 auto;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 10;
    background: rgba(5, 8, 15, 0.7);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.navbar.is-scrolled {
    background: rgba(5, 8, 15, 0.92);
    border-color: var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 1.5rem;
}

.logo {
    color: var(--text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    font-weight: 600;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
}

.logo-mark {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(130deg, var(--accent-strong), var(--accent));
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    color: var(--muted);
    text-decoration: none;
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-sm);
    transition: color 0.25s ease, background 0.25s ease;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.nav-cta {
    padding: 0.6rem 1.3rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    transition: transform 0.25s ease, background 0.25s ease;
}

.nav-cta:hover {
    background: var(--surface);
    transform: translateY(-2px);
}

.hero {
    padding: calc(var(--nav-height) + 4rem) 0 6rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 4rem;
    align-items: center;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-transform: uppercase;
    font-size: 0.82rem;
    letter-spacing: 2px;
    color: var(--accent-alt);
}

.eyebrow::before {
    content: '';
    width: 28px;
    height: 1px;
    background: currentColor;
}

.hero h1 {
    font-size: clamp(2.6rem, 6vw, 4.5rem);
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero .lead {
    font-size: 1.2rem;
    color: var(--muted);
}

.lead {
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 1.8rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    background: linear-gradient(120deg, var(--accent-strong), var(--accent));
    color: #0b0f1a;
    text-decoration: none;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
}

.secondary-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.95rem 1.6rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.stat-card {
    padding: 1.2rem;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 600;
}

.stat-label {
    color: var(--muted);
    font-size: 0.95rem;
}

.hero-visual {
    position: relative;
    padding: 2.5rem;
}

.device-shell {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.device-shell::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.08), transparent 60%);
    opacity: 0.4;
    pointer-events: none;
}

.board-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: var(--muted);
}

.timer-display {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: 4px;
    margin-bottom: 0.5rem;
}

.level-chips {
    display: flex;
    gap: 0.8rem;
}

.chip {
    padding: 0.25rem 0.95rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    font-size: 0.85rem;
    color: var(--text);
}

.floating-card {
    position: absolute;
    right: -10px;
    bottom: -20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 1.2rem 1.5rem;
    width: 220px;
    box-shadow: var(--shadow-soft);
}

.floating-card h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.progress-track {
    position: relative;
    padding-left: 1.3rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    font-size: 0.95rem;
}

.progress-track::before {
    content: '';
    position: absolute;
    left: 0.2rem;
    top: 0.35rem;
    bottom: 0.35rem;
    width: 2px;
    background: var(--surface-strong);
}

.progress-track span {
    position: relative;
    padding-left: 1.2rem;
    color: var(--muted);
}

.progress-track span::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

.section {
    padding: 5rem 0;
}

.section-heading {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 3rem;
    max-width: 720px;
}

.section-heading h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

.section-heading p {
    color: var(--muted);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    min-height: 270px;
}

.icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: rgba(248, 250, 252, 0.08);
    color: var(--accent);
    font-size: 1.2rem;
}

.feature-card p {
    color: var(--muted);
    font-size: 0.98rem;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.feature-list li {
    position: relative;
    padding-left: 1.3rem;
}

.feature-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.split-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.panel-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.timeline {
    position: relative;
    padding-left: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.6rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--surface-strong);
}

.timeline-step {
    position: relative;
    padding-left: 1.2rem;
}

.timeline-step::before {
    content: '';
    position: absolute;
    left: -0.15rem;
    top: 0.3rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(120deg, var(--accent-strong), var(--accent));
    box-shadow: 0 0 12px rgba(249, 115, 22, 0.5);
}

.timeline-step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.timeline-step p {
    color: var(--muted);
}

.download {
    background: radial-gradient(circle at top, rgba(248, 250, 252, 0.08), transparent 55%);
}

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

.platform-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--surface);
    position: relative;
    overflow: hidden;
}

.platform-card strong {
    display: block;
    font-size: 1.3rem;
}

.platform-card p {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 0.8rem 0 1.4rem;
}

.platform-card a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
}

.platform-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at top right, rgba(244, 183, 82, 0.35), transparent 55%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.platform-card:hover::after {
    opacity: 1;
}

.meta-line {
    color: var(--muted);
    font-size: 0.9rem;
    margin-top: 1.2rem;
}

footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    background: rgba(5, 8, 15, 0.9);
}

footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    color: var(--muted);
}

.footer-links {
    display: flex;
    gap: 1.2rem;
}

.footer-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
}

/* Contact */

.subpage-hero {
    padding: calc(var(--nav-height) + 3rem) 0 3rem;
    background: radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.12), transparent 55%);
}

.subpage-hero h1 {
    font-size: clamp(2.4rem, 6vw, 3.2rem);
    margin-bottom: 0.6rem;
}

.subpage-hero p {
    color: var(--muted);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card, .form-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.info-pill {
    padding: 1.1rem;
    border-radius: var(--radius-md);
    background: var(--surface-strong);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-weight: 600;
}

input, textarea {
    border: 1px solid var(--border);
    background: rgba(5, 8, 15, 0.4);
    border-radius: var(--radius-md);
    padding: 0.9rem 1.1rem;
    font: inherit;
    color: var(--text);
}

textarea {
    min-height: 140px;
    resize: vertical;
}

button.submit-button {
    width: 100%;
    border: none;
    cursor: pointer;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.contact-methods span {
    color: var(--muted);
}

/* Privacy */

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

.policy-panel {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 2rem;
}

.policy-panel h3 {
    margin-bottom: 0.6rem;
}

.policy-panel p, .policy-panel li {
    color: var(--muted);
}

.policy-panel ul {
    padding-left: 1.1rem;
    list-style: disc;
}

.policy-panel a {
    color: var(--accent-alt);
    text-decoration: none;
}

.last-updated {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 1rem 0 2rem;
}

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-animate].revealed {
    opacity: 1;
    transform: translateY(0);
}

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

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

@media (max-width: 640px) {
    .container {
        width: calc(100% - 2rem);
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .feature-grid, .download-grid, .policy-grid {
        grid-template-columns: 1fr;
    }
}