/* ── Maskki Landing Page ────────────────────────────────────────── */

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

:root {
    --bg: #0a0b10;
    --surface: #12141d;
    --surface2: #1a1d28;
    --border: #252838;
    --text: #e4e6ef;
    --text-dim: #8b8fa3;
    --accent: #00d4aa;
    --accent-dim: rgba(0, 212, 170, 0.15);
    --radius: 10px;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

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

/* ── Nav ─────────────────────────────────────────────────────────── */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 11, 16, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-name {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }

/* ── Buttons ─────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }

.btn-primary {
    background: var(--accent);
    color: #0a0b10;
}
.btn-primary:hover {
    background: #00e6b8;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Hero ────────────────────────────────────────────────────────── */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 24px 60px;
    background:
        radial-gradient(ellipse 600px 400px at 50% 30%, var(--accent-dim), transparent),
        var(--bg);
}

.hero-content { max-width: 700px; }

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.accent { color: var(--accent); }

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-dim);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* ── Section Title ───────────────────────────────────────────────── */

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 48px;
    letter-spacing: -0.5px;
}

/* ── Features ────────────────────────────────────────────────────── */

.features {
    padding: 100px 24px;
    background: var(--surface);
}

.features-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent); }

.feature-icon {
    font-size: 2rem;
    margin-bottom: 14px;
}

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

.feature-card p {
    color: var(--text-dim);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ── How It Works ────────────────────────────────────────────────── */

.how-it-works {
    padding: 100px 24px;
}

.steps {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
}

.step { text-align: center; }

.step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-dim);
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    border: 1px solid var(--accent);
}

.step h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.step p {
    color: var(--text-dim);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ── CTA ─────────────────────────────────────────────────────────── */

.cta {
    padding: 80px 24px;
    text-align: center;
    background:
        radial-gradient(ellipse 500px 300px at 50% 50%, var(--accent-dim), transparent),
        var(--surface);
}

.cta h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta p {
    color: var(--text-dim);
    margin-bottom: 28px;
    font-size: 1rem;
}

/* ── Footer ──────────────────────────────────────────────────────── */

.footer {
    padding: 40px 24px 24px;
    border-top: 1px solid var(--border);
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.footer-tagline {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-left: 12px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.88rem;
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* ── Mobile ──────────────────────────────────────────────────────── */

@media (max-width: 640px) {
    .hero-stats { gap: 24px; }
    .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
    .footer-links { justify-content: center; }
}