/*
Theme Name: Universo IA
Theme URI: https://universo-ia.com
Author: Universo IA
Description: Tema para LMS gamificado Universo IA. Diseño oscuro con acentos cian y violeta. Panel alumno, profesor e institución.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: universo-ia
Tags: custom-background, custom-colors, custom-menu, editor-style, featured-images, full-site-editing, block-patterns, rtl-language-support, sticky-post, wide-blocks, block-styles, education, e-learning, lms
*/

:root {
  --unia-bg: #0d1117;
  --unia-bg-card: #161b22;
  --unia-bg-sidebar: #0d1117;
  --unia-border: #30363d;
  --unia-text: #e6edf3;
  --unia-text-muted: #8b949e;
  --unia-accent: #58a6ff;
  --unia-accent-hover: #79b8ff;
  --unia-secondary: #a371f7;
  --unia-success: #3fb950;
  --unia-warning: #d29922;
  --unia-danger: #f85149;
  --unia-radius: 8px;
  /* Landing pro */
  --landing-cyan: #38bdf8;
  --landing-cyan-dark: #0ea5e9;
  --landing-purple: #a78bfa;
  --landing-pink: #f472b6;
  --landing-glow-cyan: 0 0 20px rgba(56,189,248,0.4);
  --landing-glow-purple: 0 0 20px rgba(167,139,250,0.3);
  --landing-gradient-btn: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 50%, #a78bfa 100%);
  --landing-gradient-text: linear-gradient(90deg, #38bdf8, #a78bfa, #f472b6);
}

body {
  background: var(--unia-bg);
  color: var(--unia-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

a {
  color: var(--unia-accent);
}

a:hover {
  color: var(--unia-accent-hover);
}

.wp-block-button__link {
  background: var(--unia-accent) !important;
  border-radius: var(--unia-radius);
}

.wp-block-button__link:hover {
  background: var(--unia-accent-hover) !important;
}

.site-header {
  background: rgba(22, 27, 34, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(56, 166, 255, 0.08);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03), 0 4px 24px rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  z-index: 100;
}

.main-navigation a {
  color: rgba(230, 237, 243, 0.9);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  position: relative;
  padding: 0.4rem 0;
  transition: color 0.25s ease, opacity 0.25s ease;
}

.main-navigation a:not(.btn-demo)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--unia-accent), var(--unia-secondary));
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-navigation a:hover {
  color: var(--unia-accent);
}

.main-navigation a:not(.btn-demo):hover::after {
  width: 100%;
}

.main-navigation .btn-demo {
  padding: 0.5rem 1.25rem !important;
  border-radius: 999px !important;
  font-weight: 600 !important;
  letter-spacing: 0.03em;
  transition: box-shadow 0.3s ease, transform 0.2s ease !important;
}

.main-navigation .btn-demo:hover {
  box-shadow: 0 0 24px rgba(88, 166, 255, 0.4) !important;
  transform: translateY(-1px) !important;
}

/* Hero público */
.hero-universo {
  background: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #1a1f2e 100%);
  padding: 4rem 2rem;
  text-align: center;
}

.hero-universo h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(90deg, var(--unia-accent), var(--unia-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  transition: opacity 0.25s ease;
}

.logo-link:hover {
  opacity: 0.9;
}

.logo-icon {
  font-size: 1.5rem;
  filter: drop-shadow(0 0 6px rgba(56, 166, 255, 0.4));
  transition: filter 0.3s ease;
}

.logo-link:hover .logo-icon {
  filter: drop-shadow(0 0 12px rgba(56, 166, 255, 0.6));
}

.logo-text {
  background: linear-gradient(135deg, #79b8ff 0%, #58a6ff 40%, #a371f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu li a {
  padding: 0.5rem 1rem;
  border-radius: var(--unia-radius);
}

.nav-menu li a:hover {
  background: rgba(88, 166, 255, 0.08);
}

.btn-demo { background: var(--unia-accent) !important; color: #fff !important; padding: 0.5rem 1rem !important; border-radius: var(--unia-radius) !important; }

/* ========== LANDING PAGE ========== */
body.front-page, body.home { overflow-x: hidden; }
body.front-page, body.page-template-front-page-php { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
body.page-template-front-page-php { overflow-x: hidden; }
.landing-container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; width: 100%; }
.landing-container.header-inner { padding: 1rem 2rem; max-width: 1400px; }

/* Header landing */
.header-landing.site-header {
  background: rgba(13, 17, 23, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(56, 189, 248, 0.1);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04), 0 4px 32px rgba(0, 0, 0, 0.15);
}
.header-landing .logo-text {
  background: linear-gradient(135deg, #7dd3fc 0%, #38bdf8 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}
.header-landing .logo-link { color: transparent; }
.header-landing .logo-icon { filter: drop-shadow(0 0 10px rgba(56,189,248,0.6)); }
.header-landing .nav-menu a { color: rgba(255,255,255,0.9); }
.header-landing .nav-menu a:hover { color: var(--landing-cyan); }
.header-landing .nav-menu a:not(.btn-demo)::after {
  background: linear-gradient(90deg, var(--landing-cyan), var(--landing-purple));
}
.header-landing .btn-demo {
  background: var(--landing-gradient-btn) !important;
  color: #fff !important;
  padding: 0.5rem 1.5rem !important;
  border-radius: 999px !important;
  border: none !important;
  box-shadow: 0 0 24px rgba(56,189,248,0.4);
  font-weight: 600 !important;
  letter-spacing: 0.03em;
  transition: box-shadow 0.3s ease, transform 0.2s ease !important;
}
.header-landing .btn-demo:hover {
  opacity: 1 !important;
  box-shadow: 0 0 32px rgba(56,189,248,0.6) !important;
  transform: translateY(-1px) !important;
}

/* Hero */
.landing-hero { position: relative; min-height: 85vh; display: flex; align-items: center; overflow: hidden; }
.landing-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(160deg, #0f172a 0%, #1e1b4b 40%, #0d1117 100%);
  background-image: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(56,189,248,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 90% 50%, rgba(167,139,250,0.06) 0%, transparent 50%);
}
.landing-hero-inner {
  position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 1fr);
  gap: 3rem 4rem; align-items: center; padding: 4rem 2rem; width: 100%;
}
@media (max-width: 900px) {
  .landing-hero-inner { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
  .hero-content { max-width: 100%; }
}
.hero-content { max-width: 100%; min-width: 0; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.35rem 0.9rem; margin-bottom: 1.25rem;
  background: rgba(0,0,0,0.2); border: 1px solid rgba(56,189,248,0.4);
  border-radius: 8px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; color: var(--landing-cyan);
}
.hero-tag::before { content: ''; width: 6px; height: 6px; background: var(--landing-cyan); border-radius: 50%; box-shadow: 0 0 10px var(--landing-cyan); }
.hero-title { font-size: clamp(2.2rem, 4.5vw, 3.5rem); font-weight: 700; line-height: 1.2; margin: 0 0 1.25rem 0; color: #fff; }
.hero-title .highlight-gradient {
  background: var(--landing-gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc { font-size: 1.1rem; line-height: 1.7; color: var(--unia-text-muted); margin: 0 0 2rem 0; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.btn-primary {
  display: inline-block; padding: 0.85rem 1.75rem;
  background: var(--landing-gradient-btn);
  color: #fff !important; font-weight: 600; font-size: 0.95rem; border-radius: 10px; text-decoration: none; border: none;
  box-shadow: var(--landing-glow-cyan);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(56,189,248,0.5); color: #fff !important; }
.btn-secondary {
  display: inline-block; padding: 0.85rem 1.75rem;
  background: rgba(255,255,255,0.04);
  color: #fff !important; font-weight: 500;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px; text-decoration: none;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: var(--landing-cyan); box-shadow: 0 0 20px rgba(56,189,248,0.2); color: #fff !important; }
.hero-social-proof { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; color: rgba(255,255,255,0.75); }
.hero-avatars { font-size: 0.85rem; letter-spacing: -0.25em; color: rgba(255,255,255,0.4); }
@media (max-width: 900px) { .hero-actions { justify-content: center; } .hero-social-proof { justify-content: center; } }

/* Hero visual */
.hero-visual { position: relative; min-width: 0; }
.hero-image-wrap { position: relative; border-radius: 20px; overflow: hidden; min-height: 340px; box-shadow: 0 25px 50px rgba(0,0,0,0.4); }
.hero-image { width: 100%; height: 100%; min-height: 340px; object-fit: cover; display: block; }
.hero-image-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 340px; width: 100%;
  background: linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
  border: 1px solid rgba(56,189,248,0.2);
  color: var(--unia-text-muted); font-size: 0.95rem;
}
.placeholder-icon { font-size: 4rem; opacity: 0.5; filter: grayscale(0.3); }
.hero-card {
  position: absolute; padding: 0.65rem 1rem; border-radius: 14px; font-size: 0.85rem; font-weight: 600;
  display: flex; align-items: center; gap: 0.5rem;
  backdrop-filter: blur(8px);
}
.hero-card .card-icon { flex-shrink: 0; color: currentColor; }
.hero-card-metric {
  top: 1rem; right: 1rem;
  background: rgba(167,139,250,0.25); border: 1px solid rgba(244,114,182,0.4);
  color: #fff; box-shadow: var(--landing-glow-purple);
}
.hero-card-avatar {
  bottom: -0.75rem; left: 50%; transform: translateX(-50%);
  flex-direction: column; padding: 0.75rem 1rem; gap: 0.35rem;
  background: rgba(15,23,42,0.9);
  border: 2px solid rgba(56,189,248,0.5);
  box-shadow: 0 0 25px rgba(56,189,248,0.3);
}
.hero-card-avatar .avatar-placeholder { font-size: 2rem; }
.hero-card-avatar .avatar-badge { font-size: 0.7rem; letter-spacing: 0.05em; color: var(--landing-cyan); }

/* Pilares */
.landing-pilares {
  background: linear-gradient(180deg, #0d1117 0%, #0f172a 50%, #0d1117 100%);
  padding: 5rem 0;
}
.pilares-title { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 700; text-align: center; margin: 0 0 0.5rem 0; color: #fff; }
.pilares-subtitle { text-align: center; color: var(--unia-text-muted); font-size: 1.05rem; margin: 0 0 3rem 0; max-width: 640px; margin-left: auto; margin-right: auto; line-height: 1.6; }
.pilares-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
@media (max-width: 1100px) { .pilares-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .pilares-grid { grid-template-columns: 1fr; } }
.pilar-card {
  background: linear-gradient(180deg, rgba(30,41,59,0.6) 0%, rgba(15,23,42,0.8) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 2rem; transition: all 0.3s ease; min-width: 0;
}
.pilar-card:hover {
  border-color: rgba(56,189,248,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 30px rgba(56,189,248,0.08);
  transform: translateY(-4px);
}
.pilar-icon-wrap {
  width: 60px; height: 60px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem; box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.pilar-icon { font-size: 1.85rem; }
.pilar-cyan { background: linear-gradient(135deg, rgba(56,189,248,0.3) 0%, rgba(14,165,233,0.2) 100%); }
.pilar-purple { background: linear-gradient(135deg, rgba(167,139,250,0.3) 0%, rgba(139,92,246,0.2) 100%); }
.pilar-purple-alt { background: linear-gradient(135deg, rgba(167,139,250,0.35) 0%, rgba(139,92,246,0.25) 100%); }
.pilar-cyan-alt { background: linear-gradient(135deg, rgba(56,189,248,0.3) 0%, rgba(6,182,212,0.2) 100%); }
.pilar-card h3 { font-size: 1.2rem; margin: 0 0 0.75rem 0; color: #fff; font-weight: 700; }
.pilar-card p { font-size: 0.95rem; line-height: 1.65; color: rgba(255,255,255,0.7); margin: 0 0 1rem 0; }
.pilar-link { color: var(--landing-pink) !important; font-weight: 600; font-size: 0.9rem; text-decoration: none; }
.pilar-link:hover { color: #fb7185 !important; text-shadow: 0 0 10px rgba(244,114,182,0.3); }

/* CTA */
.landing-cta { padding: 5rem 0; }
.cta-box {
  background: linear-gradient(145deg, rgba(30,41,59,0.9) 0%, rgba(30,27,75,0.95) 100%);
  border: 1px solid rgba(56,189,248,0.2);
  border-radius: 24px; padding: 3.5rem 3rem;
  text-align: center; max-width: 720px; margin: 0 auto;
  box-shadow: 0 25px 60px rgba(0,0,0,0.4), 0 0 60px rgba(56,189,248,0.06);
}
.cta-title { font-size: 1.85rem; font-weight: 700; margin: 0 0 0.5rem 0; color: #fff; }
.cta-subtitle { color: rgba(255,255,255,0.75); margin: 0 0 2rem 0; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Footer landing */
.landing-footer { background: var(--unia-bg); border-top: 1px solid var(--unia-border); padding: 4rem 0 2rem 0; }
.landing-footer .footer-main { display: grid; grid-template-columns: 280px 1fr; gap: 4rem; margin-bottom: 3rem; }
@media (max-width: 900px) { .landing-footer .footer-main { grid-template-columns: 1fr; } }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; color: #fff; font-weight: 700; font-size: 1.1rem; margin-bottom: 1rem; }
.footer-brand .logo-icon { font-size: 1.25rem; }
.footer-mission { font-size: 0.9rem; line-height: 1.6; color: var(--unia-text-muted); margin: 0; max-width: 260px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
@media (max-width: 700px) { .footer-links { grid-template-columns: repeat(2, 1fr); } }
.footer-col h4 { font-size: 0.9rem; color: #fff; margin: 0 0 1rem 0; font-weight: 600; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col a { color: var(--unia-text-muted); text-decoration: none; font-size: 0.9rem; }
.footer-col a:hover { color: var(--unia-accent); }
.footer-col li { margin-bottom: 0.5rem; }
.footer-social { display: flex; gap: 0.75rem; }
.footer-social a { font-size: 1.25rem; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding-top: 2rem; border-top: 1px solid var(--unia-border); }
.footer-copy, .footer-legal { font-size: 0.85rem; color: var(--unia-text-muted); margin: 0; }
.footer-legal a { color: var(--unia-text-muted); }
.footer-legal a:hover { color: var(--unia-accent); }
.footer-legal .sep { margin: 0 0.5rem; opacity: 0.5; }

/* Footer compact (páginas internas) */
.footer-compact .footer-main { display: none; }
.footer-compact .footer-inner { max-width: 1200px; margin: 0 auto; padding: 1.5rem 2rem; }
.footer-compact .footer-bottom { border: none; padding-top: 0; }