/* ============================================================
   ESCUELIA — Sistema de diseño visual
   Mejora: tipografía fluida, ritmo vertical, legibilidad
   ============================================================ */

/* ── Variables ────────────────────────────────────────── */
:root {
  /* Colores (sin cambios) */
  --escuelia-bg: #f6f7ff;
  --escuelia-surface: rgba(255, 255, 255, 0.82);
  --escuelia-surface-strong: #ffffff;
  --escuelia-border: rgba(148, 163, 184, 0.18);
  --escuelia-text: #0f172a;
  --escuelia-muted: #64748b;
  --escuelia-primary: #4f46e5;
  --escuelia-primary-2: #7c3aed;
  --escuelia-accent: #06b6d4;

  /* ═══ Tipografía fluida (escala modular 1.25) ═══ */
  --text-xs: clamp(0.75rem, 0.7rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.2vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 0.85rem + 0.25vw, 1rem);
  --text-lg: clamp(1.0625rem, 0.95rem + 0.35vw, 1.125rem);
  --text-xl: clamp(1.2rem, 1.05rem + 0.5vw, 1.375rem);
  --text-2xl: clamp(1.45rem, 1.2rem + 0.8vw, 1.75rem);
  --text-3xl: clamp(1.8rem, 1.4rem + 1.2vw, 2.2rem);
  --text-4xl: clamp(2.1rem, 1.6rem + 1.6vw, 2.75rem);

  /* ═══ Ritmo vertical (escala 8px) ═══ */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* ═══ Línea de base (vertical rhythm unit) ═══ */
  --rhythm: 1.65;
  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.65;
  --leading-relaxed: 1.8;
  --leading-loose: 2;

  /* ═══ Otras mejoras ═══ */
  --radius-sm: 0.625rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 32px rgba(15, 23, 42, 0.05);
  --shadow-card-hover: 0 1px 4px rgba(15, 23, 42, 0.08), 0 12px 48px rgba(15, 23, 42, 0.08);
}

/* ── Base ─────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.escuelia-shell {
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: var(--text-base);
  line-height: var(--rhythm);
  color: var(--escuelia-text);
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.12), transparent 24%),
    linear-gradient(180deg, #f8faff 0%, #f5f7ff 45%, #eef2ff 100%);
}

body.escuelia-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.4) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.32), transparent 82%);
  opacity: 0.28;
  z-index: 0;
}

/* ── Tipografía ────────────────────────────────────────── */
.escuelia-display {
  font-family: "Sora", "Plus Jakarta Sans", sans-serif;
}

/* Heading hierarchy */
h1, .h1 {
  font-family: "Sora", "Plus Jakarta Sans", sans-serif;
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}

h2, .h2 {
  font-family: "Sora", "Plus Jakarta Sans", sans-serif;
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

h3, .h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}

h4, .h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: var(--leading-snug);
  margin-bottom: var(--space-2);
}

/* Text sizes */
.text-sm {
  font-size: var(--text-sm) !important;
}
.text-base {
  font-size: var(--text-base) !important;
}
.text-lg {
  font-size: var(--text-lg) !important;
}
.text-xl {
  font-size: var(--text-xl) !important;
}
.text-2xl {
  font-size: var(--text-2xl) !important;
}

/* ── Legibilidad mejorada ──────────────────────────────── */
p, li, .prose p, .prose li {
  line-height: var(--leading-relaxed);
}

/* Ancho de línea óptimo para lectura (65-75 caracteres) */
.prose, .reading-width {
  max-width: 70ch;
}

/* ── Cards — sombras y radios mejorados ────────────────── */
.escuelia-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.escuelia-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.escuelia-card-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.95));
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
  transition: box-shadow 0.25s ease;
}

.escuelia-card-soft:hover {
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.07);
}

/* ── Espaciado consistente en cards ────────────────────── */
.escuelia-card > .p-6,
.escuelia-card-soft > .p-6 {
  padding: var(--space-6);
}
.escuelia-card > .p-8,
.escuelia-card-soft > .p-8 {
  padding: var(--space-8);
}
.escuelia-card > .p-5,
.escuelia-card-soft > .p-5 {
  padding: var(--space-5);
}

/* ── Superficies ────────────────────────────────────────── */
.escuelia-surface {
  background: var(--escuelia-surface);
  border: 1px solid var(--escuelia-border);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(20px);
}

.escuelia-surface-strong {
  background: var(--escuelia-surface-strong);
  border: 1px solid rgba(226, 232, 240, 0.85);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

/* ── Decorativos ────────────────────────────────────────── */
.escuelia-gradient-text {
  background: linear-gradient(90deg, var(--escuelia-primary) 0%, var(--escuelia-primary-2) 55%, var(--escuelia-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.escuelia-glow {
  box-shadow: 0 0 0 1px rgba(79, 70, 229, 0.08), 0 20px 70px rgba(79, 70, 229, 0.18);
}

.escuelia-grid {
  display: grid;
  gap: var(--space-4);
}

/* ── Kicker y badges ────────────────────────────────────── */
.escuelia-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4338ca;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(165, 180, 252, 0.42);
}

.escuelia-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: var(--text-xs);
  font-weight: 700;
}

/* ── Illustration blocks ────────────────────────────────── */
.escuelia-illustration {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.escuelia-illustration::before,
.escuelia-illustration::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
  opacity: 0.7;
  z-index: -1;
}

.escuelia-illustration::before {
  width: 220px;
  height: 220px;
  right: -70px;
  top: -60px;
  background: rgba(99, 102, 241, 0.26);
}

.escuelia-illustration::after {
  width: 180px;
  height: 180px;
  left: -50px;
  bottom: -60px;
  background: rgba(14, 165, 233, 0.22);
}

/* ── Line clamp ─────────────────────────────────────────── */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Transiciones globales ──────────────────────────────── */
a,
button,
input,
select,
textarea {
  transition:
    color 0.18s ease,
    background-color 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease,
    opacity 0.18s ease;
}

/* ── Prose — contenido editorial ────────────────────────── */
.prose {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: #334155;
}

.prose p {
  margin-bottom: 1.25em;
  line-height: var(--leading-relaxed);
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose h2 {
  font-family: "Sora", "Plus Jakarta Sans", sans-serif;
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--leading-snug);
  margin: 2em 0 0.75em;
  color: var(--escuelia-text);
}

.prose h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: var(--leading-snug);
  margin: 1.5em 0 0.6em;
  color: var(--escuelia-text);
}

.prose h4 {
  font-size: var(--text-base);
  font-weight: 600;
  margin: 1.25em 0 0.5em;
  color: var(--escuelia-text);
}

.prose ul,
.prose ol {
  padding-left: 1.5em;
  margin-bottom: 1.25em;
}

.prose li {
  margin-bottom: 0.35em;
  line-height: var(--leading-relaxed);
}

.prose li > ul,
.prose li > ol {
  margin-top: 0.25em;
  margin-bottom: 0;
}

.prose strong {
  font-weight: 600;
  color: var(--escuelia-text);
}

.prose blockquote {
  margin: 1.5em 0;
  padding: 0.75em 1em;
  border-left: 4px solid var(--escuelia-primary);
  background: #eef2ff;
  border-radius: var(--radius-sm);
  color: #334155;
  font-style: italic;
  line-height: var(--leading-relaxed);
}

.prose code {
  font-size: 0.875em;
  background: #f1f5f9;
  padding: 0.15em 0.4em;
  border-radius: 0.375rem;
  font-family: "JetBrains Mono", "Fira Code", monospace;
}

.prose pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: var(--space-5);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 1.5em 0;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 1.5em 0;
}

.prose a {
  color: var(--escuelia-primary);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-decoration-thickness: 0.05em;
  font-weight: 500;
}

.prose a:hover {
  color: #4338ca;
}

.prose hr {
  margin: 2em 0;
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #cbd5e1, transparent);
}

/* ── Botones mejorados ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: var(--text-base);
}

.btn-primary {
  background: linear-gradient(135deg, var(--escuelia-primary), var(--escuelia-primary-2));
  color: white;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
}

/* ── Formularios ────────────────────────────────────────── */
input, textarea, select {
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* ── Navbar mejorado ────────────────────────────────────── */
.nav-link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  color: #64748b;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  transition: all 0.2s;
}

.nav-link:hover {
  color: var(--escuelia-primary);
  background: rgba(79, 70, 229, 0.06);
}

/* ── Mejoras responsive ─────────────────────────────────── */
@media (max-width: 640px) {
  .escuelia-card,
  .escuelia-card-soft {
    border-radius: var(--radius-md);
  }

  .escuelia-card > .p-6,
  .escuelia-card-soft > .p-6 {
    padding: var(--space-4);
  }
  .escuelia-card > .p-8,
  .escuelia-card-soft > .p-8 {
    padding: var(--space-5);
  }
}

/* ── Accesibilidad ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--escuelia-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}