/* HT-Serve Demo Site — styles.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-dark: #0b0c10;
  --bg-section: #111827;
  --bg-card: #1f2833;
  --accent: #66fcf1;
  --accent-dim: #45a29e;
  --text: #c5c6c7;
  --text-light: #e0e0e0;
  --text-muted: #888;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Navigation */
nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 2rem; background: #0d1117; position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid #1f2833;
}
nav .brand { font-weight: 700; font-size: 1.3rem; color: var(--accent); }
nav .nav-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
nav .nav-links a { color: var(--text-light); font-size: 0.95rem; }
nav .nav-links a:hover { color: var(--accent); }

/* Hero */
.hero {
  text-align: center; padding: 5rem 2rem 4rem;
  background: linear-gradient(160deg, #0f3460 0%, #16213e 50%, #0b0c10 100%);
}
.hero h1 { font-size: 3.5rem; color: var(--accent); margin-bottom: 1rem; letter-spacing: -0.02em; }
.hero .tagline { font-size: 1.25rem; max-width: 700px; margin: 0 auto 2rem; color: var(--text-light); }
.hero-badges { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.badge {
  background: rgba(102, 252, 241, 0.1); border: 1px solid rgba(102, 252, 241, 0.3);
  padding: 0.35rem 0.85rem; border-radius: 20px; font-size: 0.85rem; color: var(--accent);
}
.hero-code {
  display: inline-block; text-align: left; background: #0d1117; padding: 1.25rem 2rem;
  border-radius: 8px; border: 1px solid #1f2833; font-size: 0.95rem;
}
.hero-code code { color: var(--accent); font-family: 'Fira Code', 'Consolas', monospace; }

/* Sections */
.section { padding: 4rem 2rem; max-width: 1000px; margin: 0 auto; }
.section h2 {
  font-size: 2rem; color: var(--accent); margin-bottom: 1.5rem;
  padding-bottom: 0.5rem; border-bottom: 2px solid var(--accent-dim);
}
.alt-bg { background: var(--bg-section); }
.alt-bg .section, .alt-bg.section { max-width: 100%; }
.alt-bg > h2, .alt-bg > p, .alt-bg > .grid, .alt-bg > .steps,
.alt-bg > .agent-table-wrap, .alt-bg > .code-block {
  max-width: 1000px; margin-left: auto; margin-right: auto;
}

/* Cards grid */
.grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; margin-top: 1rem;
}
.card {
  background: var(--bg-card); padding: 1.5rem; border-radius: 8px;
  border: 1px solid #2a3040; transition: border-color 0.2s;
}
.card:hover { border-color: var(--accent-dim); }
.card h3 { color: var(--text-light); margin-bottom: 0.5rem; font-size: 1.15rem; }
.card p { font-size: 0.95rem; color: var(--text-muted); }

/* Steps */
.steps { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 1rem; }
.step { display: flex; gap: 1.25rem; align-items: flex-start; }
.step-num {
  flex-shrink: 0; width: 2.5rem; height: 2.5rem; background: var(--accent);
  color: var(--bg-dark); border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 1.1rem;
}
.step h3 { margin-bottom: 0.25rem; color: var(--text-light); }

/* Code blocks */
code {
  font-family: 'Fira Code', 'Consolas', monospace;
  background: var(--bg-card); padding: 0.15rem 0.4rem; border-radius: 3px;
  color: var(--accent); font-size: 0.9em;
}
pre { overflow-x: auto; }
pre code { padding: 0; background: none; }
.code-block {
  background: #0d1117; padding: 1.25rem 1.5rem; border-radius: 8px;
  border: 1px solid #1f2833; margin: 1rem 0; font-size: 0.92rem;
  line-height: 1.6;
}

/* Tables */
.agent-table-wrap { overflow-x: auto; margin: 1rem 0; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.65rem 1rem; text-align: left; border-bottom: 1px solid #1f2833; }
th { background: var(--bg-card); color: var(--accent); font-weight: 600; }
td { color: var(--text); }

ul { padding-left: 1.5rem; margin: 0.5rem 0; }
li { margin-bottom: 0.25rem; }

/* Footer */
footer {
  text-align: center; padding: 2rem; border-top: 1px solid #1f2833;
  color: var(--text-muted); font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 { font-size: 2.2rem; }
  .hero .tagline { font-size: 1rem; }
  nav { flex-direction: column; gap: 0.5rem; }
  nav .nav-links { justify-content: center; }
  .grid { grid-template-columns: 1fr; }
}