:root {
    --bg-main: #050505;
    --bg-card: #111111;
    --accent: #f4c430; /* amarelo dourado */
    --accent-soft: rgba(244, 196, 48, 0.16);
    --text-main: #f5f5f5;
    --text-muted: #b0b0b0;
    --border-subtle: #2a2a2a;
    --radius-lg: 18px;
    --radius-full: 999px;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
}

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

html, body {
    height: 100%;
}

body {
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #202020 0, #050505 45%, #000000 100%);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

.page-wrapper {
    min-height: 100vh;
    max-width: 900px;
    margin: 0 auto;
    padding: 16px 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* TOPO */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 18px;
    border-radius: var(--radius-lg);
    background: linear-gradient(120deg, rgba(0,0,0,0.95), rgba(12,12,12,0.96));
    border: 1px solid var(--border-subtle);
    box-shadow: 0 10px 30px rgba(0,0,0,0.7);
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 54px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(0,0,0,0.8));
}

.topbar-title {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    gap: 2px;
}

.topbar-subtitle {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    font-weight: 600;
}

.topbar h1 {
    font-size: 1.4rem;
    font-weight: 700;
}

/* HERO SIMPLES */
.hero.simple-hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    background: linear-gradient(145deg, rgba(17,17,17,0.97), rgba(7,7,7,0.97));
    border-radius: var(--radius-lg);
    padding: 28px 24px 24px;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-soft);
    width: 100%;
    max-width: 560px;
    text-align: center;
}

.hero-content h2 {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* BOTÕES */
.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition:
        transform 0.16s ease,
        box-shadow 0.16s ease,
        background 0.16s ease,
        border-color 0.16s ease;
}

.btn.primary {
    background: linear-gradient(135deg, #ffd54f, var(--accent));
    color: #181818;
    box-shadow: 0 14px 30px rgba(0,0,0,0.5);
}

.btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(0,0,0,0.7);
}

.btn.secondary {
    background: #181818;
    border-color: var(--accent-soft);
    color: var(--text-main);
}

.btn.secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.6);
    border-color: var(--accent);
}

/* RODAPÉ */
.footer {
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 3px;
    align-items: flex-start;
}

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

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

.footer-small {
    opacity: 0.8;
}

/* RESPONSIVO */
@media (max-width: 640px) {
    .page-wrapper {
        padding: 14px 12px 20px;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar-title {
        align-items: flex-start;
        text-align: left;
    }

    .hero-content {
        padding: 22px 18px 20px;
    }

    .logo-img {
        height: 48px;
    }
}

/* Cards da Documentação */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.doc-card {
    background: #111;
    border: 1px solid rgba(244, 196, 48, 0.25);
    border-radius: 16px;
    padding: 20px;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(0,0,0,0.45);
    transition: 0.2s ease;
}

.doc-card:hover {
    border-color: #f4c430;
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.6);
}

.doc-card h3 {
    margin-bottom: 5px;
    font-size: 1.1rem;
    color: #f4c430;
}

.doc-card p {
    font-size: 0.85rem;
    color: #ccc;
    line-height: 1.35;
}