/* ============================================================
   index.css — estilos específicos da página inicial (index)
   Depende de base.css.
   ============================================================ */

/* ── HERO ────────────────────────────────────────────────────────────────── */
.hero {
    padding: 9.5rem 6% 5.5rem;
    max-width: 1100px;
    margin: 0 auto;
    animation: fade-up 0.5s ease both;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 1.25rem;
}

.hero h1       { margin-bottom: 1.5rem; }

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 500px;
    margin-bottom: 2.25rem;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

/* ── STATS ───────────────────────────────────────────────────────────────── */
.stats {
    background: var(--bg-subtle);
    padding: 2.25rem 6%;
    display: flex;
    justify-content: center;
    gap: 5rem;
    flex-wrap: wrap;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.stat { text-align: center; }

.stat-value {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 1.9rem;
    font-weight: 400;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.stat-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.68rem;
    color: var(--text-faint);
    margin-top: 0.2rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ── FUNCIONALIDADES ─────────────────────────────────────────────────────── */
#funcionalidades {
    background: var(--bg);
    transition: background var(--transition);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.feature-card {
    background: var(--bg-card);
    padding: 1.75rem;
    transition: background var(--transition);
}
.feature-card:hover { background: var(--bg-subtle); }

.feature-ord {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-faint);
    letter-spacing: 0.06em;
    margin-bottom: 0.9rem;
}

.feature-icon {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
    display: block;
    filter: grayscale(0.3);
}

.feature-card h3 { color: var(--text); }

.feature-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.65;
}

/* ── COMO FUNCIONA ───────────────────────────────────────────────────────── */
#como-funciona {
    background: var(--bg-subtle);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.step {
    background: var(--bg-card);
    padding: 1.75rem;
    transition: background var(--transition);
}
.step:hover { background: var(--bg); }

.step-num {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 2.8rem;
    font-weight: 300;
    color: var(--border-strong);
    line-height: 1;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    transition: color var(--transition);
}
.step:hover .step-num { color: var(--text-faint); }

.step h3 { color: var(--text); font-size: 0.9rem; }

.step p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ── PROTOCOLO ───────────────────────────────────────────────────────────── */
#protocolo {
    background: var(--bg);
    transition: background var(--transition);
}

.protocol-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.protocol-text h2 { text-align: left; }

.protocol-text p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.75;
    margin-bottom: 0.75rem;
}

.protocol-list {
    list-style: none;
    margin-top: 1.25rem;
    border-top: 1px solid var(--border);
    padding-top: 0;
}

.protocol-list li {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 0.45rem 0;
    border-bottom: 1px solid var(--border);
    font-family: 'IBM Plex Mono', monospace;
}

.protocol-list li::before {
    content: '—';
    color: var(--text-faint);
    flex-shrink: 0;
}

/* ── CTA ─────────────────────────────────────────────────────────────────── */
#cta {
    text-align: center;
    background: var(--bg-subtle);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

#cta h2 { margin-bottom: 0.6rem; }
#cta p  { color: var(--text-muted); margin-bottom: 2rem; font-size: 0.95rem; }

.cta-actions {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── RESPONSIVO ──────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .steps         { grid-template-columns: repeat(2, 1fr); }
    .protocol-wrap { grid-template-columns: 1fr; gap: 2.5rem; }
    .stats         { gap: 2.5rem; }
}

@media (max-width: 600px) {
    .features-grid { grid-template-columns: 1fr; }
    .steps         { grid-template-columns: 1fr; }
    .hero-actions  { flex-direction: column; align-items: flex-start; }
}