/* ============================================
   BASE — Typography, container, utilidades globales
   ============================================ */

/* Tipografía global — Cormorant variable con opsz para elegancia óptica */
html { font-feature-settings: 'liga', 'calt', 'kern'; }

/* Headings */
h1, .h1 {
  font-family: var(--font-display);
  font-size: var(--fs-display-xl);
  font-weight: var(--fw-light);
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
  font-variation-settings: 'opsz' 144;
}

h2, .h2 {
  font-family: var(--font-display);
  font-size: var(--fs-display-l);
  font-weight: var(--fw-light);
  line-height: var(--lh-snug);
  letter-spacing: -0.025em;
  font-variation-settings: 'opsz' 96;
}

h3, .h3 {
  font-family: var(--font-display);
  font-size: var(--fs-display-m);
  font-weight: var(--fw-regular);
  line-height: var(--lh-snug);
  font-variation-settings: 'opsz' 48;
}

h4, .h4 {
  font-family: var(--font-display);
  font-size: var(--fs-display-s);
  font-weight: var(--fw-medium);
  line-height: var(--lh-snug);
}

p { line-height: var(--lh-normal); }

/* Eyebrow / overline tipográfica */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-body-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  color: var(--color-text-soft);
}

/* Contenedor base */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-gutter);
}

/* ────────── BOTONES (sistema base) ────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-s);
  padding: 0.95rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--fs-body-m);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--color-cream-off);
  background-color: var(--color-primary);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sharp);
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dur-mid) var(--ease-out),
    color var(--dur-mid) var(--ease-out),
    border-color var(--dur-mid) var(--ease-out),
    transform var(--dur-fast) var(--ease-spring),
    box-shadow var(--dur-mid) var(--ease-out);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.btn:hover {
  background-color: var(--color-primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-l);
}
.btn:active { transform: translateY(0) scale(0.98); }

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-cream-off);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-cream-off);
}

.btn--whatsapp {
  background-color: var(--color-whatsapp);
}
.btn--whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
}

/* Botón con shimmer al hover (efecto WOW) */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,
    transparent 30%,
    rgba(255,255,255,0.18) 50%,
    transparent 70%);
  transform: translateX(-100%);
  transition: transform var(--dur-slower) var(--ease-out);
  z-index: -1;
  pointer-events: none;
}
.btn:hover::before { transform: translateX(100%); }
.btn--secondary::before { display: none; }

/* ────────── REVEAL — scroll-triggered fade-up ──────────
   JS añade .is-revealed cuando IntersectionObserver dispara.
   Soporta data-reveal-delay (en ms) via --reveal-delay. */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 800ms var(--ease-out),
    transform 800ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}