/* Campus Assistant — Shared styles for interior pages */
:root {
  --primary: #01BBE1;
  --primary-light: #20D6E4;
  --primary-dark: #0095B8;
  --accent: #B75902;
  --accent-light: #D4731A;
  --accent-bright: #E8821C;
  --bg: #003D4C;
  --bg-card: #FFFFFF;
  --bg-soft: #F0FAFD;
  --text: #1A2E33;
  --text-muted: #5A7077;
  --text-light: #FFFFFF;
  --border: #D5EEF5;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(1, 187, 225, 0.08);
  --shadow-lg: 0 12px 48px rgba(1, 187, 225, 0.15);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--primary-dark); }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 0;
  background: rgba(0, 61, 76, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(32, 214, 228, 0.15);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 800; color: var(--text-light);
  text-decoration: none;
}
.logo-icon {
  width: 36px; height: 36px; border-radius: 10px; overflow: hidden;
}
.logo-icon img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  color: rgba(255,255,255,0.8); text-decoration: none; font-size: 14px; font-weight: 600;
  transition: color 0.2s;
}
.nav-links a:hover { color: white; }
.nav-cta {
  background: var(--primary-light); color: white; border: none;
  padding: 10px 24px; border-radius: 10px; font-weight: 700; font-size: 15px;
  cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.nav-cta:hover { background: var(--primary); transform: translateY(-1px); }

/* PAGE HERO */
.page-hero {
  background: var(--bg);
  background-image: radial-gradient(ellipse at 20% 0%, rgba(1, 187, 225, 0.35) 0%, transparent 50%),
                    radial-gradient(ellipse at 80% 50%, rgba(183, 89, 2, 0.2) 0%, transparent 50%);
  padding: 140px 24px 80px;
  text-align: center;
}
.page-hero h1 {
  color: var(--text-light);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800; line-height: 1.15; max-width: 800px; margin: 0 auto 16px;
}
.page-hero p {
  color: #A8D8E4; font-size: 20px; max-width: 600px; margin: 0 auto;
}

/* CONTENT */
.content {
  max-width: 760px; margin: 0 auto; padding: 64px 24px;
}
.content section { margin-bottom: 48px; }
.content h2 {
  font-size: 28px; font-weight: 800; margin-bottom: 16px;
  color: var(--text);
}
.content h3 {
  font-size: 20px; font-weight: 700; margin-bottom: 12px; margin-top: 32px;
  color: var(--text);
}
.content p { color: var(--text-muted); margin-bottom: 16px; font-size: 17px; }
.content ul { margin-bottom: 16px; padding-left: 20px; }
.content li { color: var(--text-muted); margin-bottom: 8px; font-size: 17px; }
.content strong { color: var(--text); }

/* CARDS GRID */
.cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px; margin: 32px 0;
}
.card {
  background: white; border: 1px solid var(--border); border-radius: 12px;
  padding: 28px; transition: all 0.2s;
}
.card:hover { box-shadow: var(--shadow); }
.card .icon { font-size: 32px; margin-bottom: 12px; }
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 15px; color: var(--text-muted); }

/* CTA bar */
.cta-bar {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center; padding: 64px 24px;
}
.cta-bar h2 { color: white; font-size: 28px; font-weight: 800; margin-bottom: 12px; }
.cta-bar p { color: rgba(255,255,255,0.85); font-size: 18px; margin-bottom: 24px; }
.btn-primary {
  background: white; color: var(--primary-dark); border: none;
  padding: 14px 32px; border-radius: 12px; font-size: 16px; font-weight: 700;
  cursor: pointer; transition: all 0.2s; text-decoration: none;
  display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,0.2); }

/* FOOTER */
footer { background: var(--bg); padding: 48px 24px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
.footer-left { display: flex; align-items: center; gap: 12px; }
.footer-left span { color: white; font-weight: 700; font-size: 16px; }
.footer-right { color: #6B6480; font-size: 14px; }
.footer-right a { color: var(--primary-light); text-decoration: none; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: white; }

/* BREADCRUMB */
.breadcrumb {
  max-width: 760px; margin: 0 auto; padding: 24px 24px 0;
  font-size: 14px; color: var(--text-muted);
}
.breadcrumb a { color: var(--primary-dark); text-decoration: none; }


/* LANG TOGGLE */
.lang-toggle {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  color: var(--text-light); padding: 6px 14px; border-radius: 8px;
  cursor: pointer; font-size: 14px; font-weight: 600;
  transition: all 0.2s;
}
.lang-toggle:hover { background: rgba(255,255,255,0.2); }
/* BILINGUAL */
[data-lang="en"] [data-es] { display: none; }
[data-lang="es"] [data-en] { display: none; }

/* RESPONSIVE */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .page-hero { padding: 120px 16px 60px; }
  .content { padding: 40px 16px; }
}