/* Fonte e cores base */
:root {
    --bg: #0f0f10;
    --card: #17171a;
    --text: #f3f3f5;
    --muted: #b9bcc6;
    --gold: #d4af37;
    --accent: #ffd86b;
    --border: #2a2a2e;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    color: var(--text);
    background: radial-gradient(1200px 800px at 10% 10%, #141418, var(--bg));
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
.link { color: var(--gold); font-weight: 600; }

.container { width: min(1200px, 92%); margin: 0 auto; }
.section { padding: 64px 0; }
.grid-2 { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(15,15,16,0.9); backdrop-filter: blur(6px); border-bottom: 1px solid var(--border); }
.header-wrap { display: flex; flex-direction: column; }
.header-wrap > .container { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.logo { font-weight: 700; letter-spacing: 0.3px; color: var(--text); }
.logo span { color: var(--gold); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav ul { display: flex; gap: 18px; list-style: none; padding: 0; margin: 0; align-items: center; }
.nav a { color: var(--text); padding: 8px 10px; border-radius: 8px; }
.nav a.active, .nav a:hover { background: var(--card); }
.nav li { display: flex; align-items: center; }
.nav-toggle, .toc-toggle { background: transparent; border: 1px solid var(--border); color: var(--text); padding: 0; border-radius: 6px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; }
.toc-toggle { background: transparent; border: none; color: var(--text); padding: 0; width: 32px; height: 32px; border-radius: 6px; }
.toc-toggle:hover { transform: translateY(-1px); opacity: 0.9; }
.toc-toggle svg { width: 32px; height: 32px; border-radius: 6px; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); }
.toc-toggle svg rect { transition: opacity 0.2s ease; }
.toc-toggle:hover svg { box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15); }
.nav-toggle { display: none; }
.toc-menu { background: var(--card); border-bottom: 1px solid var(--border); padding: 8px 0; }
.toc-menu-wrapper { display: inline-flex; flex-direction: column; align-items: flex-start; }
.toc-list-vertical { display: flex; flex-direction: column; gap: 2px; list-style: none; padding: 0; margin: 0; width: auto; align-items: flex-start; }
.toc-list-vertical li { width: auto; }
.toc-list-vertical li a { display: inline-flex; align-items: center; padding: 4px 8px 4px 0; background: transparent; border: none; border-left: 3px solid transparent; border-radius: 0 4px 4px 0; color: var(--muted); font-size: 13px; transition: all 0.2s ease; width: auto; text-align: left; white-space: nowrap; }
.toc-list-vertical li a:hover { background: rgba(212, 175, 55, 0.08); border-left-color: var(--gold); color: var(--accent); padding-left: 8px; }
.toc-list-vertical li a::before { content: '→'; margin-right: 6px; opacity: 0; transition: opacity 0.2s ease; color: var(--gold); font-size: 12px; }
.toc-list-vertical li a:hover::before { opacity: 1; }

/* Hero */
.hero { padding: 64px 0; }
.hero-text h1 { font-size: 44px; margin: 0 0 12px; }
.hero-text p { color: var(--muted); margin: 0 0 20px; }
.hero-media img { border-radius: 16px; border: 1px solid var(--border); box-shadow: 0 10px 30px rgba(0,0,0,0.35); }

.btn { display: inline-block; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--border); font-weight: 600; }
.btn-primary { background: linear-gradient(135deg, var(--gold), var(--accent)); color: #1a1a1a; }
.btn-ghost { background: transparent; color: var(--text); }
.hero-cta { display: flex; gap: 12px; }

/* Cards */
.card { background: linear-gradient(180deg, #17171a, #141417); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.card h3 { margin-top: 0; }

/* Posts */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post { background: var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; }
.post img { aspect-ratio: 16/9; object-fit: cover; }
.post-body { padding: 16px; display: grid; gap: 8px; }

/* Chess section */
.chess .controls { display: flex; align-items: center; gap: 10px; margin: 14px 0 8px; }
.chess .level select { margin-left: 8px; }
.board { width: 100%; max-width: 480px; border-radius: 8px; overflow: hidden; box-shadow: 0 8px 26px rgba(0,0,0,0.35); border: 1px solid var(--border); }
.status { margin-top: 10px; color: var(--muted); }

/* Quotes */
.quote { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.quote p { margin: 0 0 10px; font-style: italic; }
.quote footer { color: var(--muted); }

/* Newsletter */
.newsletter-form { display: flex; gap: 10px; align-items: center; }
.newsletter-form input { flex: 1; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: #111114; color: var(--text); }
.newsletter-form .form-hint { display: block; color: var(--muted); margin-top: 6px; }

/* Footer */
.site-footer { background: #0d0d0f; border-top: 1px solid var(--border); padding: 32px 0; margin-top: 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
.socials { display: flex; gap: 12px; margin-top: 10px; }

/* Responsivo */
@media (max-width: 960px) {
    .grid-2 { grid-template-columns: 1fr; }
    .cards-3 { grid-template-columns: 1fr; }
    .posts { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .nav-toggle, .toc-toggle { display: inline-block; }
    .nav { display: none; position: absolute; right: 4%; top: 54px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; }
    .nav.open { display: block; }
    .nav ul { flex-direction: column; padding: 10px; }
    .toc-menu { position: relative; padding: 10px 0; }
    .toc-list-vertical { gap: 4px; }
    .toc-list-vertical li a { padding: 6px 10px; font-size: 13px; }
}