/* Lectura Langage — style.css */

:root {
  --c-bg: #fff;
  --c-bg-alt: #f7f7f5;
  --c-text: #1a1a1a;
  --c-text-light: #555;
  --c-accent: #2a5ea8;
  --c-accent-hover: #1d4580;
  --c-border: #ddd;
  --c-border-light: #eee;
  --c-chip-bg: #e8eff8;
  --c-chip-text: #2a5ea8;
  --c-ipa: #6b4c9a;
  --ff-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ff-mono: ui-monospace, "Cascadia Code", "Source Code Pro", monospace;
  --max-w: 52rem;
  --gap: 1.5rem;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--ff-sans);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Layout */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1rem; width: 100%; }

/* Header / Nav */
.site-header {
  background: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-border);
  padding: 0.75rem 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.site-logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-text);
  flex-shrink: 0;
}
.site-logo:hover { text-decoration: none; color: var(--c-accent); }
.site-nav { display: flex; gap: 1rem; font-size: 0.9rem; flex: 1; justify-content: center; }
.site-nav a { color: var(--c-text-light); padding: 0.2rem 0.5rem; border-radius: 3px; }
.site-nav a:hover { color: var(--c-accent); text-decoration: none; }
.site-nav a.active { color: var(--c-accent); font-weight: 600; background: var(--c-chip-bg); }
.site-lectura {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--c-text-light);
  white-space: nowrap;
}
.site-lectura:hover { text-decoration: none; color: var(--c-accent); }

/* Main */
main { flex: 1; padding: var(--gap) 0 3rem; }

/* Footer */
.site-footer {
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-border);
  padding: 1.5rem 0;
  font-size: 0.85rem;
  color: var(--c-text-light);
  text-align: center;
}

/* Hero */
.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}
.hero h1 { font-size: 2rem; margin-bottom: 0.25rem; }
.hero-subtitle { font-size: 1.3rem; font-weight: 600; color: var(--c-text); margin-bottom: 0.25rem; }
.hero p { color: var(--c-text-light); font-size: 1.05rem; margin-bottom: 1rem; }

/* Demo cards */
.demo-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}
.demo-card {
  display: block;
  padding: 1.5rem;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  color: var(--c-text);
  transition: border-color 0.15s;
}
.demo-card:hover { border-color: var(--c-accent); text-decoration: none; }
.demo-card h2 { font-size: 1.15rem; margin-bottom: 0.5rem; color: var(--c-accent); }
.demo-card p { font-size: 0.92rem; color: var(--c-text-light); margin-bottom: 0.75rem; }
.demo-card-action {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-accent);
}

/* Page title */
.page-title { font-size: 1.6rem; margin-bottom: 0.25rem; }
.page-subtitle { color: var(--c-text-light); font-size: 1rem; margin-bottom: var(--gap); }

/* Placeholder panel */
.demo-panel {
  background: var(--c-bg);
  border: 1px solid var(--c-border-light);
  border-radius: 6px;
  padding: 1.5rem;
}
.placeholder-panel {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--c-text-light);
}
.placeholder-panel pre {
  text-align: left;
  display: inline-block;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border-light);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  font-family: var(--ff-mono);
  font-size: 0.85rem;
  margin-top: 0.75rem;
}

/* 404 */
.page-404 { text-align: center; padding: 4rem 0; }
.page-404 h1 { font-size: 4rem; color: var(--c-border); }
.page-404 p { font-size: 1.1rem; color: var(--c-text-light); margin: 1rem 0; }

/* Responsive */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.5rem; }
  .demo-cards { grid-template-columns: 1fr; }
}

/* Print */
@media print {
  .site-header, .site-footer { display: none; }
  body { font-size: 11pt; color: #000; }
  a { color: #000; text-decoration: underline; }
  .container { max-width: 100%; }
}