/* Cabecalho */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background-color: rgba(8, 26, 42, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ink-line);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    height: 68px;
}

.brand {
    display: flex;
    align-items: center;
    color: #fff;
}

.brand svg {
    height: 26px;
    width: auto;
}

.header-cta {
    padding: 0.6rem 1.2rem;
    font-size: 0.92rem;
}

/* Rodape */
.site-footer {
    background-color: var(--ink-deep);
    color: var(--text-on-dark);
    padding: var(--space-xl) 0 var(--space-lg);
}

.site-footer .container {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-md);
}

.footer-brand svg {
    height: 30px;
    width: auto;
    color: #fff;
    margin-bottom: var(--space-xs);
}

.footer-parent {
    font-size: 0.95rem;
}

.footer-parent a {
    color: #fff;
    font-weight: 600;
    border-bottom: 1px solid var(--amber);
    padding-bottom: 1px;
}

.footer-parent a:hover {
    color: var(--amber);
}

.footer-contact {
    font-size: 0.9rem;
    text-align: right;
}

.footer-contact a {
    color: #fff;
    border-bottom: 1px solid var(--amber);
    padding-bottom: 1px;
}

.footer-contact a:hover {
    color: var(--amber);
}

/* Hero */
.hero {
    position: relative;
    background: radial-gradient(120% 100% at 15% 0%, var(--ink-soft) 0%, var(--ink-deep) 60%);
    color: #fff;
    padding: var(--space-2xl) 0;
    overflow: hidden;
}

.hero::after {
    /* brilho ambar difuso atras da cena de chat */
    content: "";
    position: absolute;
    top: 10%;
    right: -10%;
    width: 46%;
    height: 70%;
    background: radial-gradient(circle, var(--amber-glow) 0%, transparent 68%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: var(--space-xl);
}

.hero h1 {
    margin-bottom: var(--space-md);
    text-wrap: balance;
}

.hero h1 em {
    font-style: normal;
    color: var(--amber);
}

.hero-sub {
    font-size: 1.12rem;
    color: var(--text-on-dark);
    max-width: 34rem;
    margin-bottom: var(--space-lg);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.hero-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
}

/* Blocos claros */
.band {
    padding: var(--space-2xl) 0;
}

.band--alt {
    background-color: var(--paper-alt);
}

.band-head {
    max-width: 40rem;
    margin-bottom: var(--space-xl);
}

/* Como funciona: tres passos numerados */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    counter-reset: passo;
}

.step {
    counter-increment: passo;
}

.step::before {
    content: counter(passo);
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--ink);
    color: var(--amber);
    font-family: var(--font-display);
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.step h3 { margin-bottom: 0.4rem; }

.step p {
    color: var(--text-soft);
    font-size: 0.98rem;
}

/* O que ele faz: quatro cartoes */
.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.feature {
    background-color: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-lg);
    box-shadow: var(--shadow);
    transition: transform var(--ease), box-shadow var(--ease);
}

.feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(13, 38, 60, 0.1);
}

.feature h3 { margin-bottom: 0.4rem; }

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

/* Quem pediu menos movimento nao recebe transicao de cartao. */
@media (prefers-reduced-motion: reduce) {
    .feature { transition: none; }

    .feature:hover { transform: none; }
}

/* Faixa final */
.closing {
    background: radial-gradient(100% 140% at 50% 0%, var(--ink-soft) 0%, var(--ink-deep) 65%);
    color: #fff;
    padding: var(--space-2xl) 0;
    text-align: center;
}

.closing h2 {
    max-width: 24ch;
    margin: 0 auto var(--space-sm);
    text-wrap: balance;
}

.closing p {
    max-width: 46ch;
    margin: 0 auto var(--space-lg);
    color: var(--text-on-dark);
    font-size: 1.08rem;
}

/* Responsivo */
@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .hero-sub { max-width: none; }

    .steps { grid-template-columns: 1fr; gap: var(--space-md); }
    .features { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
    :root {
        --space-2xl: 4rem;
        --space-xl: 2.5rem;
    }

    .site-header .container { height: 60px; }

    .brand svg { height: 22px; }

    .header-cta {
        padding: 0.5rem 0.9rem;
        font-size: 0.85rem;
    }

    .hero-actions .btn { width: 100%; }

    .site-footer .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-contact { text-align: left; }
}