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

:root {
  --bg: #0a0809;
  --bg-card: #121013;
  --border: #2a2528;
  --text: #e8e4e0;
  --text-muted: #8a8580;
  --accent: #8b3a3a;
  --accent-glow: rgba(139, 58, 58, 0.35);
  --font-display: 'Cinzel', serif;
  --font-body: 'Crimson Text', Georgia, serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* --- Efeitos de atmosfera --- */
.noise {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 10;
}

.vignette {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
  z-index: 9;
}

/* --- Header --- */
.header {
  padding: 2rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.logo-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.5rem;
  opacity: 0.9;
}

.logo h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 3rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text);
}

.tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 0.35rem;
}

/* --- Hero --- */
.hero {
  padding: 4rem 1.5rem 5rem;
  text-align: center;
  max-width: 42rem;
  margin: 0 auto;
}

.hero-sub {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 1.3;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
}

/* --- Features --- */
.features {
  padding: 3rem 1.5rem 4rem;
  max-width: 56rem;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.1em;
  margin-bottom: 2.5rem;
  color: var(--text-muted);
}

.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
}

.card-highlight {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.card-highlight:hover {
  box-shadow: 0 0 28px var(--accent-glow);
}

.card-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.card p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* --- CTA --- */
.cta {
  padding: 4rem 1.5rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.cta-text {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cta-sub {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.cta-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

/* --- Footer --- */
.footer {
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}