/* ==========================================================================
   OBE Informática — Vitrine · Estilos
   Paleta: negro/carbón + dorado (marca OBE) sobre fondo claro.
   ========================================================================== */
:root {
  --gold: #f5b301;
  --gold-600: #d99a00;
  --ink: #16181d;
  --ink-2: #2a2d35;
  --muted: #6b7280;
  --line: #e7e8ec;
  --bg: #f7f8fa;
  --card: #ffffff;
  --ok: #16a34a;
  --err: #dc2626;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(16, 18, 22, 0.04), 0 8px 24px rgba(16, 18, 22, 0.06);
  --shadow-lg: 0 10px 40px rgba(16, 18, 22, 0.12);
  --wrap: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.4em; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; width: 100%; }

/* ---------- Botones ---------- */
.btn {
  --b: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.72em 1.25em;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.06s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 0.5em 1em; font-size: 0.9rem; }
.btn-block { display: flex; width: 100%; margin-top: 0.6rem; }
.btn-primary { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.btn-primary:hover { background: var(--gold-600); border-color: var(--gold-600); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-wa { background: #25d366; color: #063e1e; border-color: #25d366; }
.btn-wa:hover { filter: brightness(0.95); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 1rem; height: 64px; }
.brand img { height: 40px; width: auto; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 1.25rem; }
.nav a { font-weight: 500; color: var(--ink-2); font-size: 0.96rem; }
.nav a:hover { color: var(--ink); }
.nav a.active { color: var(--ink); font-weight: 700; }
.nav .nav-ext { color: var(--muted); font-size: 0.9rem; }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 0;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(1200px 400px at 80% -10%, #2a2d35 0%, var(--ink) 55%);
  color: #fff;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: center;
  padding: 4.5rem 20px 4rem;
}
.pill {
  display: inline-block;
  background: rgba(245, 179, 1, 0.15);
  color: var(--gold);
  border: 1px solid rgba(245, 179, 1, 0.35);
  padding: 0.4em 0.9em;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: -0.02em; }
.hero .hl { color: var(--gold); }
.hero .lead { font-size: 1.1rem; color: #d7d9e0; max-width: 34ch; }
.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 1.6rem 0 1.4rem; }
.hero-facts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  color: #b9bcc6;
  font-size: 0.92rem;
}
.hero-facts strong { color: #fff; display: block; font-size: 1.25rem; }
.hero-art {
  position: relative;
  height: 240px;
  display: grid;
  place-items: center;
}
.hero-cap { font-size: 8rem; filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4)); }
.hero-badge {
  position: absolute;
  top: 20px;
  right: 30px;
  width: 84px;
  height: 84px;
  display: grid;
  place-items: center;
  background: var(--gold);
  color: var(--ink);
  font-weight: 800;
  font-size: 1.6rem;
  border-radius: 22px;
  transform: rotate(-8deg);
  box-shadow: var(--shadow-lg);
}

/* ---------- Secciones ---------- */
.section { padding: 3.5rem 20px; }
.section.narrow { max-width: 720px; }
.section-head, .page-head { margin-bottom: 1.6rem; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; }
.section-head h2, .page-head h1 { font-size: 1.7rem; }
.link-more { color: var(--gold-600); font-weight: 600; }

/* ---------- Grid de cards ---------- */
.grid { display: grid; gap: 1.1rem; }
.cards { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.curso-card {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.12s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.curso-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: #dcdde2;
}
.curso-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}
.curso-card-ic {
  font-size: 1.8rem;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: #fbf4df;
  border-radius: 12px;
}
.tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gold-600);
  background: #fdf6e0;
  padding: 0.3em 0.7em;
  border-radius: 999px;
}
.curso-card h3 { font-size: 1.08rem; margin-bottom: 0.25rem; }
.card-sub { font-size: 0.85rem; margin: 0; }
.card-foot {
  margin-top: auto;
  padding-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-price { font-weight: 700; color: var(--ink); }
.card-price.consult { color: var(--muted); font-weight: 600; font-size: 0.92rem; }
.card-arrow {
  color: var(--gold-600);
  font-weight: 700;
  transition: transform 0.12s ease;
}
.curso-card:hover .card-arrow { transform: translateX(4px); }

/* ---------- Strip beneficios ---------- */
.strip { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strip-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; padding: 2.5rem 20px; }
.strip-item { display: flex; gap: 0.9rem; align-items: flex-start; }
.strip-item span { font-size: 1.8rem; }
.strip-item h3 { font-size: 1.05rem; margin: 0.1rem 0 0.2rem; }
.strip-item p { font-size: 0.9rem; color: var(--muted); margin: 0; }

/* ---------- Toolbar catálogo ---------- */
.toolbar { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.4rem; }
.input {
  width: 100%;
  padding: 0.7em 0.9em;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  font: inherit;
  background: #fff;
  color: var(--ink);
}
.input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(245, 179, 1, 0.18); }
.toolbar .input { max-width: 360px; }

/* ---------- Detalle de curso ---------- */
.breadcrumb { padding-top: 1.4rem; }
.breadcrumb a { color: var(--muted); font-weight: 500; }
.breadcrumb a:hover { color: var(--ink); }
.curso-detalle {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  padding: 1.5rem 20px 4rem;
  align-items: start;
}
.curso-hero { display: flex; gap: 1rem; align-items: center; margin-bottom: 1.4rem; }
.curso-ic {
  font-size: 2.4rem;
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  background: #fbf4df;
  border-radius: 16px;
  flex: none;
}
.curso-hero h1 { font-size: 1.9rem; }
.meta-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  font-size: 0.82rem;
  background: #fff;
  border: 1px solid var(--line);
  padding: 0.35em 0.75em;
  border-radius: 999px;
  color: var(--ink-2);
}
.curso-block { margin-top: 2rem; }
.curso-block h2 { font-size: 1.3rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--gold); display: inline-block; }
.prose { color: #33363e; }
.prose p { margin: 0 0 0.9em; }

/* Sticky price card */
.curso-side { position: sticky; top: 84px; }
.price-card {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
}
.price-label { color: var(--gold); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.price-main { font-size: 1.5rem; font-weight: 800; margin: 0.3rem 0; }
.price-sub { color: #c7c9d2; font-size: 0.92rem; }
.price-note {
  margin: 1rem 0;
  padding: 0.7rem 0.9rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  font-size: 0.85rem;
  color: #e6e7ec;
}

/* ---------- Formulario ---------- */
.form.card { padding: 1.75rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.4rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
textarea.input { resize: vertical; }
.fineprint { font-size: 0.82rem; margin: 0.5rem 0 1rem; }
.form-status { margin-top: 1rem; padding: 0.8rem 1rem; border-radius: 10px; font-size: 0.92rem; }
.form-status.err { background: #fef2f2; color: var(--err); border: 1px solid #fecaca; }
.success { text-align: center; padding: 1.5rem 0.5rem; }
.success-ic { font-size: 3rem; }
.success h2 { color: var(--ok); }

/* ---------- Estados ---------- */
.loader { display: grid; place-items: center; gap: 1rem; padding: 5rem 0; }
.spin {
  width: 38px; height: 38px;
  border: 3px solid var(--line);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty { text-align: center; padding: 3rem 1rem; color: var(--muted); }
.empty.error h2 { color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #c7c9d2; margin-top: 2rem; }
.foot-inner { display: grid; grid-template-columns: 1fr 2fr; gap: 2rem; padding: 3rem 20px 2rem; }
.foot-logo { height: 42px; background: #fff; padding: 6px 10px; border-radius: 8px; }
.foot-inner .muted { color: #8b8e99; margin-top: 0.6rem; }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.foot-cols h4 { color: #fff; font-size: 0.95rem; margin-bottom: 0.7rem; }
.foot-link { display: block; color: #b9bcc6; font-size: 0.9rem; padding: 0.2rem 0; }
.foot-link:hover { color: var(--gold); }
.foot-copy { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 1.2rem 20px; font-size: 0.85rem; color: #7c7f8a; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 20px 1rem;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    transition: transform 0.2s ease;
  }
  body.nav-open .nav { transform: translateY(0); }
  .nav a { padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 0.6rem; }
  .hero-inner { grid-template-columns: 1fr; padding: 3rem 20px; }
  .hero-art { display: none; }
  .curso-detalle { grid-template-columns: 1fr; }
  .curso-side { position: static; }
  .foot-inner { grid-template-columns: 1fr; }
  .foot-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .strip-inner { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .section-head:not(.center) { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
}

/* ==========================================================================
   Componentes ampliados (home rica)
   ========================================================================== */

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
}

/* Eyebrow + section head centrado */
.eyebrow {
  display: inline-block;
  color: var(--gold-600);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  margin-bottom: 0.4rem;
}
.section-head.center { display: block; text-align: center; max-width: 640px; margin: 0 auto 2rem; }
.section-head.center h2 { font-size: 1.8rem; }

/* Hero proof */
.hero-proof { display: flex; align-items: center; gap: 0.6rem; margin-top: 1.6rem; color: #c7c9d2; font-size: 0.92rem; }
.stars { color: var(--gold); letter-spacing: 2px; }

/* Stats band */
.stats { background: var(--ink); color: #fff; }
.stats-inner { display: flex; justify-content: space-around; gap: 1.5rem; padding: 1.8rem 20px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-num { display: block; font-size: 2.1rem; font-weight: 800; color: var(--gold); font-variant-numeric: tabular-nums; }
.stat-label { color: #c7c9d2; font-size: 0.9rem; }

/* Franja alternada */
.strip-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* Features / ¿Por qué OBE? */
.features { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.feature-ic { font-size: 1.8rem; width: 56px; height: 56px; display: grid; place-items: center; background: #fbf4df; border-radius: 14px; margin-bottom: 0.9rem; }
.feature h3 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.feature p { color: var(--muted); margin: 0; font-size: 0.95rem; }

/* Cómo funciona — pasos */
.steps { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.step { text-align: center; padding: 1rem; }
.step-num { width: 48px; height: 48px; display: grid; place-items: center; margin: 0 auto 0.8rem; background: var(--gold); color: var(--ink); font-weight: 800; border-radius: 50%; font-size: 1.2rem; }
.step h3 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.step p { color: var(--muted); font-size: 0.92rem; margin: 0; }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 0.7rem; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 1rem 1.2rem; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--gold-600); font-size: 1.4rem; font-weight: 700; line-height: 1; }
.faq-item[open] summary::after { content: "\2013"; }
.faq-body { padding: 0 1.2rem 1rem; color: var(--muted); }
.faq-body p { margin: 0; }

/* Testimonios */
.testimonios { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.testimonio { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.testimonio blockquote { margin: 0.6rem 0 1rem; font-style: italic; color: #33363e; }
.testimonio figcaption { display: flex; align-items: center; gap: 0.7rem; }
.avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--gold); color: var(--ink); display: grid; place-items: center; font-weight: 700; flex: none; }
.testimonio small { color: var(--muted); display: block; }

/* CTA band */
.cta-band { background: radial-gradient(1000px 300px at 20% 0%, #2a2d35 0%, var(--ink) 60%); color: #fff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 3rem 20px; flex-wrap: wrap; }
.cta-inner h2 { font-size: 1.7rem; margin: 0 0 0.3rem; }
.cta-inner p { color: #c7c9d2; margin: 0; max-width: 46ch; }
.cta-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.btn-lg { padding: 0.9em 1.6em; font-size: 1.05rem; }
.btn-white { background: #fff; color: var(--ink); border-color: #fff; }
.btn-white:hover { background: #eee; border-color: #eee; }

/* Botones flotantes */
#floating { position: fixed; right: 18px; bottom: 18px; z-index: 60; display: flex; flex-direction: column; gap: 0.6rem; align-items: center; }
.fab { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; box-shadow: var(--shadow-lg); border: 0; cursor: pointer; transition: transform 0.12s ease; }
.fab:hover { transform: translateY(-2px); }
.fab-wa { background: #25d366; color: #fff; }
.fab-top { background: var(--ink); color: #fff; font-size: 1.4rem; opacity: 0; pointer-events: none; transition: opacity 0.2s ease; }
#floating.show-top .fab-top { opacity: 1; pointer-events: auto; }

@media (max-width: 640px) {
  .cta-inner { flex-direction: column; align-items: flex-start; text-align: left; }
  .stat-num { font-size: 1.8rem; }
  .fab { width: 48px; height: 48px; }
}