/* ═══════════════════════════════════════════════════════
   PÁGINA UTILITARIA (Tipo C) — RiO Impulso Digital
   Sistema de componentes para páginas de acción concreta.
   Prioridad: experiencia de usuario, sin fricción.
   Ejemplos: /agenda · /interno · /gracias · /privacidad
   Requiere: main.css (variables y reset base)
   ═══════════════════════════════════════════════════════ */

/* ── HERO MÍNIMO ─────────────────────────────────────
   Ocupa solo el espacio necesario para contextualizar
   al usuario. La acción principal debe quedar visible
   sin hacer scroll en escritorio estándar.           */

.ut-hero {
  background: var(--p-deep);
  position: relative; overflow: hidden;
  padding: 5.5rem 2.5rem 2.5rem;
  min-height: 280px;
  border-bottom: 1px solid var(--bd-dark);
}
.ut-hero::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 32px 32px;
}
.ut-hero-content {
  position: relative; z-index: 1;
  max-width: 720px; margin: 0 auto;
}
.ut-label {
  font-family: var(--ff-mono); font-size: .62rem;
  color: var(--coral); letter-spacing: .12em; text-transform: uppercase;
  display: flex; align-items: center; gap: 7px;
  margin-bottom: .85rem;
}
.ut-label::before {
  content: ''; display: block; width: 14px; height: 1px; background: var(--coral);
}
.ut-hero h1 {
  font-family: var(--ff-head);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800; line-height: 1.1;
  color: var(--white); letter-spacing: -.03em;
  margin-bottom: .65rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.ut-hero h1 em { font-style: normal; color: var(--coral); }
.ut-hero-desc {
  font-size: .92rem; font-weight: 300;
  color: rgba(255,255,255,.5); line-height: 1.7;
  max-width: 520px; margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

/* ── CONTENEDORES ────────────────────────────────────── */

.ut-main {
  background: var(--white);
  padding: 2.5rem 2.5rem 4rem;
}
.ut-main--light {
  background: var(--off);
  padding: 2.5rem 2.5rem 4rem;
}
.ut-main--dark {
  background: var(--p-deep);
  padding: 2.5rem 2.5rem 4rem;
}
.ut-container       { max-width: 760px; margin: 0 auto; }
.ut-container--wide { max-width: 960px; margin: 0 auto; }

/* ── SECCIÓN SECUNDARIA (cuando se necesita más de un bloque) */

.ut-section { padding: 2.5rem 2.5rem; }
.ut-section--light { background: var(--off); }
.ut-section--white { background: var(--white); }
.ut-section--dark  { background: var(--p-deep); }

/* ── ENCABEZADO DE BLOQUE ────────────────────────────── */

.ut-block-title {
  font-family: var(--ff-head); font-size: 1.1rem; font-weight: 700;
  color: var(--ink); letter-spacing: -.02em; margin-bottom: .4rem;
}
.ut-block-desc {
  font-size: .85rem; color: var(--muted); line-height: 1.7;
  margin-bottom: 1.5rem;
}
.ut-section--dark .ut-block-title { color: var(--white); }
.ut-section--dark .ut-block-desc  { color: rgba(255,255,255,.5); }

/* ── TARJETAS ────────────────────────────────────────── */

.ut-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.ut-cards--3 { grid-template-columns: repeat(3, 1fr); }

.ut-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-l);
  padding: 1.5rem 1.25rem;
  display: flex; flex-direction: column; gap: .55rem;
  text-decoration: none; color: inherit;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.ut-card:hover {
  border-color: var(--p);
  box-shadow: 0 4px 18px rgba(147,0,159,.09);
  transform: translateY(-2px);
}
.ut-card-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.ut-card-icon--coral  { background: rgba(255,107,107,.1); }
.ut-card-icon--purple { background: rgba(147,0,159,.08); }
.ut-card-icon--violet { background: rgba(107,91,149,.1); }

.ut-card-tag {
  font-family: var(--ff-mono); font-size: .57rem;
  color: var(--muted); letter-spacing: .07em; text-transform: uppercase;
}
.ut-card h3 {
  font-family: var(--ff-head); font-size: .95rem; font-weight: 700;
  color: var(--ink); letter-spacing: -.01em; line-height: 1.25; margin: 0;
}
.ut-card p {
  font-size: .8rem; color: var(--muted); line-height: 1.6; flex: 1; margin: 0;
}
.ut-card-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .78rem; font-weight: 700; color: var(--p); margin-top: .15rem;
}
.ut-card-link svg {
  width: 12px; height: 12px; stroke: var(--p); fill: none;
  stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round;
}

/* ── LISTA ───────────────────────────────────────────── */

.ut-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }

.ut-list li {
  display: flex; align-items: flex-start; gap: .8rem;
  font-size: .92rem; color: var(--ink); line-height: 1.65;
  padding: .7rem 0; border-bottom: 1px solid var(--border);
}
.ut-list li:first-child { border-top: 1px solid var(--border); }
.ut-list li::before {
  content: '→'; font-family: var(--ff-head); font-weight: 700;
  color: var(--coral); font-size: .75rem; flex-shrink: 0; margin-top: .24rem;
}
.ut-list--dark li { color: rgba(255,255,255,.7); border-color: rgba(255,255,255,.06); }
.ut-list--dark li:first-child { border-color: rgba(255,255,255,.06); }

/* ── NOTA / CALLOUT ──────────────────────────────────── */

.ut-note {
  font-size: .88rem; line-height: 1.7;
  border-radius: 0 var(--r-m) var(--r-m) 0;
  border-left: 3px solid var(--p);
  background: var(--off);
  padding: 1rem 1.25rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}
.ut-note:last-child { margin-bottom: 0; }
.ut-note strong { color: var(--ink); }

.ut-note--coral {
  border-color: var(--coral);
  background: rgba(255,107,107,.05);
}
.ut-note--coral strong { color: var(--ink); }

/* Variante automática para sección oscura */
.ut-section--dark .ut-note {
  background: rgba(255,255,255,.05);
  border-color: rgba(147,0,159,.5);
  color: rgba(255,255,255,.6);
}
.ut-section--dark .ut-note strong { color: var(--white); }

/* ── ESTADO / CONFIRMACIÓN ───────────────────────────── */

.ut-status {
  text-align: center;
  padding: 2.5rem 1.5rem;
  max-width: 480px; margin: 0 auto;
}
.ut-status-icon {
  width: 56px; height: 56px; margin: 0 auto 1rem;
}
.ut-status-title {
  font-family: var(--ff-head); font-size: 1.4rem; font-weight: 800;
  color: var(--ink); letter-spacing: -.02em; margin-bottom: .4rem;
}
.ut-status-desc {
  font-size: .9rem; color: var(--muted); line-height: 1.75; margin: 0;
}
.ut-status--dark .ut-status-title { color: var(--white); }
.ut-status--dark .ut-status-desc  { color: rgba(255,255,255,.5); }

/* ── VOLVER ──────────────────────────────────────────── */

.ut-back {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--ff-mono); font-size: .62rem;
  color: rgba(255,255,255,.4); letter-spacing: .05em;
  text-decoration: none; margin-bottom: 1.25rem;
  transition: color .15s;
}
.ut-back:hover { color: rgba(255,255,255,.75); }
.ut-back::before { content: '←'; }

/* ── RESPONSIVE ──────────────────────────────────────── */

@media (max-width: 900px) {
  .ut-cards--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .ut-hero     { padding: 5rem 1.25rem 2rem; }
  .ut-main,
  .ut-main--light,
  .ut-main--dark { padding: 2rem 1.25rem 3rem; }
  .ut-section  { padding: 2rem 1.25rem; }
  .ut-cards,
  .ut-cards--3 { grid-template-columns: 1fr; }
}