:root {
    color-scheme: light dark;
    --bg: #0f172a;
    --card: #1e293b;
    --text: #f8fafc;
    --muted: #94a3b8;
    --accent: #fbbf24;
    --line: #334155;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

a { color: inherit; }

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: max(1rem, env(safe-area-inset-top)) 1.25rem 1rem;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    z-index: 10;
}

.brand {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: 0.5px;
    text-decoration: none;
}

.hero {
    max-width: 40rem;
    margin: 0 auto;
    padding: 3rem 1.25rem 2.5rem;
    text-align: center;
}

.eyebrow {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0 0 0.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
    margin: 0 0 0.25rem;
    line-height: 1.05;
}

.lead {
    color: var(--accent);
    font-size: clamp(1.1rem, 4vw, 1.35rem);
    font-weight: 600;
    margin: 0 0 1rem;
}

.sub {
    color: var(--muted);
    margin: 0 0 1.75rem;
    font-size: 1.05rem;
}

.actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.65rem 1.25rem;
    border-radius: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    border: 0;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn-sm {
    min-height: 2.35rem;
    padding: 0.45rem 0.9rem;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--accent);
    color: #1f2937;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--line);
}

.btn-ghost:hover {
    background: var(--card);
}

.grid {
    max-width: 56rem;
    margin: 0 auto;
    padding: 0 1.25rem 2.5rem;
    display: grid;
    gap: 1rem;
}

@media (min-width: 640px) {
    .grid { grid-template-columns: repeat(3, 1fr); }
    .actions { flex-direction: row; justify-content: center; }
}

.section-title {
    grid-column: 1 / -1;
    text-align: center;
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 1rem;
    padding: 1.15rem;
}

.card h3 {
    margin: 0 0 0.4rem;
    color: var(--accent);
    font-size: 1rem;
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.aviso {
    max-width: 36rem;
    margin: 0 auto 3rem;
    padding: 1.5rem 1.25rem;
    text-align: center;
    background: rgba(251, 191, 36, 0.08);
    border: 1px solid rgba(251, 191, 36, 0.35);
    border-radius: 1rem;
}

.aviso p {
    color: var(--muted);
    margin: 0 0 1rem;
    font-size: 0.95rem;
}

.pie {
    text-align: center;
    padding: 2rem 1rem 2.5rem;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.85rem;
}

.pie p { margin: 0.25rem 0; }

.muted { opacity: 0.85; }

.pie a {
    color: var(--accent);
    text-decoration: none;
}

.pie a:hover { text-decoration: underline; }

/* Página legal */
.legal {
    max-width: 42rem;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

.legal h1 {
    font-size: 1.75rem;
    margin: 0 0 0.5rem;
    line-height: 1.2;
}

.legal-meta {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0 0 2rem;
}

.legal section {
    margin-bottom: 1.75rem;
}

.legal h2 {
    font-size: 1.05rem;
    color: var(--accent);
    margin: 0 0 0.6rem;
}

.legal p,
.legal li {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 0 0 0.75rem;
}

.legal ol {
    margin: 0;
    padding-left: 1.25rem;
}

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

.legal-note {
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
    border-left: 3px solid var(--accent);
    background: rgba(251, 191, 36, 0.08);
    border-radius: 0 0.5rem 0.5rem 0;
}