/* ============================================================
   MosmanLAB — /provas/ hub · CSS externo
   Prof. Edson Mosman · mosmanlab.com.br
   ============================================================ */

:root {
  --bg: #0d0d0f;
  --bg2: #141418;
  --bg3: #1c1c22;
  --border: #2a2a35;
  --text: #e8e8f0;
  --text-muted: #8888a8;
  --accent: #00c896;
  --accent2: #0099ff;
  --accent-warm: #f5a623;
  --danger: #ff5c5c;
  --font-serif: 'Lora', Georgia, serif;
  --font-sans: 'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
}

/* URGENCY BAR */
.urgency-bar {
  background: linear-gradient(90deg, #1a3a1a, #0d2d1a);
  border-bottom: 1px solid var(--accent);
  text-align: center;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.urgency-bar a { color: #fff; text-decoration: underline; margin-left: 8px; }

/* NAV */
nav {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); }
.nav-cta {
  background: var(--accent);
  color: #000 !important;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600 !important;
}
.nav-cta:hover { opacity: 0.9; }

/* BREADCRUMB */
.breadcrumb {
  padding: 14px 40px;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 6px; }

/* HERO */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 40px 48px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,200,150,0.1);
  border: 1px solid rgba(0,200,150,0.25);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-intro {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 660px;
  line-height: 1.8;
  margin-bottom: 40px;
}

/* STATS BAR */
.stats-bar {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  max-width: 640px;
}
.stat-item {
  flex: 1;
  padding: 18px 24px;
  border-right: 1px solid var(--border);
  background: var(--bg2);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  display: block;
}
.stat-lbl {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

/* MAIN CONTENT */
.content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 40px;
}

/* SECTION LABEL */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* VESTIBULAR CARDS */
.vestibulares-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.vest-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  position: relative;
  overflow: hidden;
}
.vest-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, var(--accent));
  opacity: 0;
  transition: opacity 0.2s;
}
.vest-card:hover {
  border-color: var(--card-accent, var(--accent));
  background: var(--bg3);
  transform: translateY(-2px);
}
.vest-card:hover::before { opacity: 1; }

.vest-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.vest-sigla {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--card-accent, var(--accent));
  line-height: 1;
}
.vest-badge-live {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(0,200,150,0.12);
  border: 1px solid rgba(0,200,150,0.3);
  color: var(--accent);
  white-space: nowrap;
}

.vest-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.vest-full {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 3px;
}

.vest-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vest-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
}
.vest-meta-row strong { color: var(--text); font-weight: 500; }
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--card-accent, var(--accent));
  flex-shrink: 0;
}

.vest-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.topic-pill {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  padding: 3px 9px;
  color: var(--text-muted);
}

.vest-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  color: var(--card-accent, var(--accent));
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.vest-cta svg {
  width: 18px; height: 18px;
  transition: transform 0.2s;
}
.vest-card:hover .vest-cta svg { transform: translateX(5px); }

/* COMO USAR */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.how-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.how-num {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  margin-bottom: 14px;
}
.how-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.how-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}
.how-desc a { color: var(--accent); text-decoration: none; }
.how-desc a:hover { text-decoration: underline; }

/* PROFESSOR STRIP */
.prof-strip {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  padding: 28px 32px;
  display: flex;
  gap: 28px;
  align-items: flex-start;
}
.prof-badge {
  background: rgba(0,200,150,0.15);
  border: 1px solid rgba(0,200,150,0.3);
  border-radius: 50px;
  padding: 5px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
  height: fit-content;
  letter-spacing: 0.03em;
}
.prof-text p {
  font-size: 15.5px;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 12px;
}
.prof-text p:last-child { margin-bottom: 0; }

/* FOOTER */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}
footer a { color: var(--text-muted); }

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero, .content { padding-left: 20px; padding-right: 20px; }
  .breadcrumb { padding-left: 20px; }
  .vestibulares-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .prof-strip { flex-direction: column; gap: 16px; }
  .stats-bar { flex-wrap: wrap; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:last-child { border-bottom: none; }
}