/* ============================================
   SKINBLOOM · Global
   ============================================ */

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 300;
  color: var(--color-ink);
  background: var(--color-ivory);
}

/* ---------- Tipografía ---------- */
h1, .h1 { font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 500; line-height: 1.02; letter-spacing: -0.01em; text-wrap: balance; }
h2, .h2 { font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 500; line-height: 1.08; letter-spacing: -0.005em; text-wrap: balance; }
h3, .h3 { font-family: var(--font-heading); font-size: var(--fs-h3); font-weight: 400; line-height: 1.2; }
h4, .h4 { font-family: var(--font-heading); font-size: var(--fs-h4); font-weight: 400; line-height: 1.3; }

p { max-width: 68ch; }
.text-soft { color: var(--color-text-soft); }
.text-center { text-align: center; }
.text-center p { margin-inline: auto; }

em, .accent-italic { font-family: var(--font-display); font-style: italic; font-weight: 500; }

/* Etiqueta editorial (eyebrow) */
.label {
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-champagne);
}

.label--celadon { color: var(--color-celadon-deep); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container-max); margin-inline: auto; padding-inline: var(--container-pad); }
.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--space-section); }
.section--tight { padding-block: var(--space-xl); }
.section--white { background: var(--color-white); }
.section--clinical { background: var(--color-white-cold); }
.section--mist { background: var(--color-mist-green); }
.section--ink { background: var(--color-ink); color: var(--color-ivory); }

.section-head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.section-head .label { display: block; margin-bottom: 1.1rem; }
.section-head p { margin-top: 1.25rem; color: var(--color-text-soft); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.85rem 2.1rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  border-radius: var(--radius-s);
  transition: background-color var(--dur-fast) var(--ease-editorial),
              color var(--dur-fast) var(--ease-editorial),
              border-color var(--dur-fast) var(--ease-editorial),
              transform var(--dur-fast) var(--ease-editorial);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--color-ink); color: var(--color-ivory); border: 1px solid var(--color-ink); }
.btn--primary:hover { background: #423B34; border-color: #423B34; }

.btn--outline { background: transparent; color: var(--color-ink); border: 1px solid rgba(42,38,34,0.4); }
.btn--outline:hover { border-color: var(--color-ink); background: rgba(42,38,34,0.04); }

.btn--champagne { background: var(--color-champagne); color: var(--color-white); border: 1px solid var(--color-champagne); }
.btn--champagne:hover { background: #96754D; border-color: #96754D; }

.btn--whatsapp { background: #1FAF61; color: #fff; border: 1px solid #1FAF61; }
.btn--whatsapp:hover { background: #189253; border-color: #189253; }

.btn--ghost-light { background: transparent; color: var(--color-ivory); border: 1px solid rgba(250,246,241,0.5); }
.btn--ghost-light:hover { border-color: var(--color-ivory); background: rgba(250,246,241,0.08); }

.btn--small { min-height: 44px; padding: 0.55rem 1.4rem; font-size: 0.8rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-champagne);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast), gap var(--dur-fast);
  min-height: 44px;
}
.link-arrow:hover { border-color: var(--color-champagne); gap: 0.8rem; }
.link-arrow::after { content: '→'; }

/* ---------- Accesibilidad ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 200;
  background: var(--color-ink);
  color: var(--color-ivory);
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-s);
  text-decoration: none;
  transition: top var(--dur-fast);
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--color-champagne);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: height var(--dur-base) var(--ease-editorial),
              background-color var(--dur-base) var(--ease-editorial),
              box-shadow var(--dur-base) var(--ease-editorial);
}
.site-header.is-scrolled {
  height: var(--header-h-compact);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 1px 0 rgba(42,38,34,0.06), var(--shadow-soft);
}

.header-inner {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand { display: inline-flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.brand img {
  height: 58px;
  width: auto;
  transition: height var(--dur-base) var(--ease-editorial);
}
.site-header.is-scrolled .brand img { height: 50px; }

.main-nav ul { display: flex; align-items: center; gap: clamp(0.8rem, 1.4vw, 1.5rem); }
.main-nav a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink);
  padding: 0.5rem 0.15rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast), color var(--dur-fast);
  white-space: nowrap;
}
.main-nav a:hover { border-color: var(--color-champagne); color: var(--color-champagne); }
.main-nav a[aria-current="page"] { border-color: var(--color-champagne); color: var(--color-champagne); }

.header-actions { display: flex; align-items: center; gap: 0.9rem; flex-shrink: 0; }
.header-actions .btn--small { white-space: nowrap; }

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  color: var(--color-ink);
  transition: color var(--dur-fast), background-color var(--dur-fast);
}
.icon-link:hover { color: var(--color-champagne); background: rgba(168,134,92,0.08); }
.icon-link svg { width: 21px; height: 21px; }

/* Menú móvil */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 48px; height: 48px;
  padding: 12px;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--color-ink);
  transition: transform var(--dur-base) var(--ease-editorial), opacity var(--dur-fast);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.drawer {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--color-ivory);
  padding: calc(var(--header-h) + 1rem) var(--container-pad) 2.5rem;
  overflow-y: auto;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--dur-slow) var(--ease-editorial), visibility 0s var(--dur-slow);
}
.drawer.is-open {
  transform: translateX(0);
  visibility: visible;
  transition: transform var(--dur-slow) var(--ease-editorial);
}
.drawer nav ul { display: flex; flex-direction: column; }
.drawer nav a {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 6vw, 2.3rem);
  font-weight: 500;
  text-decoration: none;
  color: var(--color-ink);
  padding: 0.65rem 0;
  border-bottom: var(--border-hairline);
}
.drawer nav a[aria-current="page"] { color: var(--color-champagne); }
.drawer-actions { display: flex; flex-direction: column; gap: 0.9rem; margin-top: 2rem; }
body.drawer-open { overflow: hidden; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: rgba(250,246,241,0.78);
  padding-block: var(--space-xl) 2.5rem;
  font-size: 0.95rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(250,246,241,0.14);
}
.footer-brand img { width: min(260px, 100%); margin-bottom: 1.4rem; }
.footer-brand p { font-size: 0.92rem; line-height: 1.7; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-champagne-light);
  margin-bottom: 1.3rem;
}
.footer-col ul { display: grid; gap: 0.65rem; }
.footer-col a {
  text-decoration: none;
  color: rgba(250,246,241,0.78);
  transition: color var(--dur-fast);
  display: inline-block;
  padding-block: 2px;
}
.footer-col a:hover { color: var(--color-ivory); }
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  font-size: 0.82rem;
  color: rgba(250,246,241,0.5);
}
.footer-legal ul { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer-legal a { color: inherit; text-decoration: none; }
.footer-legal a:hover { color: var(--color-ivory); }
.footer-disclaimer {
  margin-top: 2.2rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(250,246,241,0.55);
  max-width: 72ch;
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed;
  right: clamp(1rem, 3vw, 1.8rem);
  bottom: clamp(1rem, 3vw, 1.8rem);
  z-index: 80;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #1FAF61;
  color: #fff;
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-fast) var(--ease-editorial), background-color var(--dur-fast);
}
.wa-float:hover { transform: scale(1.06); background: #189253; }
.wa-float svg { width: 28px; height: 28px; }

/* ---------- Animaciones de aparición ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity var(--dur-slow) var(--ease-editorial), transform var(--dur-slow) var(--ease-editorial); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 90ms; }
.reveal-delay-2 { transition-delay: 180ms; }
.reveal-delay-3 { transition-delay: 270ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}