/* style.css – Tema Cinematic Dark Tech + Azul-lilás OláMundoDigital */

:root {
  --bg-main: #05060a;
  --bg-card: #111320;
  --bg-card-soft: #151728;
  --accent: #7b8cff;
  --accent-soft: #b58cff;
  --text-main: #f5f5f7;
  --text-muted: #a0a2b5;
  --border-soft: #25273b;
  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow-soft: 0 18px 45px rgba(0,0,0,0.45);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background: radial-gradient(circle at top, #141832 0%, #05060a 55%, #020308 100%);
  color: var(--text-main);
  line-height: 1.7;
}

/* Layout base */

.main-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: linear-gradient(to right, rgba(5,6,10,0.92), rgba(8,12,30,0.96));
  border-bottom: 1px solid rgba(124,139,255,0.18);
}

.navbar {
  max-width: 1160px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-brand span:first-child {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent);
}

.nav-brand span:last-child {
  font-size: 0.85rem;
  color: var(--text-muted);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 16px;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 10px;
  border-radius: 999px;
  transition: all 0.18s ease;
}

nav a:hover,
nav a.active {
  color: var(--text-main);
  background: rgba(123,140,255,0.2);
}

/* Hero genérico */

.hero {
  max-width: 1160px;
  margin: 40px auto 0;
  padding: 40px 20px 10px;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 32px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.1rem, 3vw, 2.9rem);
  margin-bottom: 14px;
}

.hero-gradient {
  background: linear-gradient(120deg, #7b8cff, #b58cff);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-text p {
  color: var(--text-muted);
  max-width: 520px;
  font-size: 0.98rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 22px;
}

.badge {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(124,139,255,0.4);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-soft);
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(130deg, #7b8cff, #b58cff);
  border: none;
  color: #05060a;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
}

.btn-outline {
  padding: 10px 18px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid rgba(123,140,255,0.5);
  color: var(--text-main);
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
}

.hero-visual {
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top, rgba(181,140,255,0.16), rgba(8,9,18,0.98));
  padding: 20px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-soft);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-visual h2 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--accent-soft);
}

.hero-visual p {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* Seções internas */

.section {
  max-width: 1160px;
  margin: 10px auto 30px;
  padding: 10px 20px 40px;
}

.section h2 {
  font-size: 1.4rem;
  margin-bottom: 18px;
  color: var(--accent);
}

.section p {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 800px;
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 28px;
  margin-top: 20px;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  padding: 20px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.45);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
  color: var(--accent-soft);
}

.card p {
  font-size: 0.9rem;
}

.card ul {
  list-style: none;
  margin-top: 8px;
}

.card ul li {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

/* Tabela comparativa */

.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  border: 1px solid var(--border-soft);
  padding: 8px 10px;
  text-align: left;
}

.compare-table th {
  background: rgba(123,140,255,0.1);
}

/* Presets */

.presets-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.preset-card {
  background: var(--bg-card-soft);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  padding: 14px;
  position: relative;
}

.preset-title {
  font-size: 0.95rem;
  color: var(--accent-soft);
  margin-bottom: 4px;
}

.preset-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.preset-prompt {
  font-size: 0.8rem;
  background: rgba(5,6,15,0.8);
  border-radius: 8px;
  padding: 8px;
  border: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 8px;
  max-height: 120px;
  overflow: auto;
}

.btn-copy {
  font-size: 0.8rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(123,140,255,0.6);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}

/* Footer */

footer {
  border-top: 1px solid var(--border-soft);
  padding: 16px 20px 24px;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: center;
  margin-top: auto;
}

/* Responsivo */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0,1fr);
  }
  .grid-2 {
    grid-template-columns: minmax(0,1fr);
  }
  nav ul {
    display: none; /* versão simplificada; pode depois virar menu hambúrguer */
  }
}