/* ============================================================
   Dra. Clara Bustos — sistema de diseño compartido
   Cargado por todas las páginas. Contiene tokens, tipografía,
   botones, navegación y footer (idénticos en todo el sitio).
   Los estilos propios de cada sección viven en cada página.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cream:      #F6F2EC;
  --cream-dk:   #EDE8DF;
  --blue-pale:  #EBF1F7;
  --blue-light: #D4E4F0;
  --blue-mid:   #5A89AC;
  --blue-dark:  #1C3A54;
  --ink:        #1A1A1A;
  --ink-soft:   #4A4A4A;
  --ink-muted:  #8A8A8A;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans:  'DM Sans', system-ui, sans-serif;
}

body { background: var(--cream); font-family: var(--sans); color: var(--ink); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; max-width: 100%; }

/* ─── Layout helpers ─── */
.section { padding: 96px 72px; }
.wrap { max-width: 1100px; margin: 0 auto; }
.bg-cream    { background: var(--cream); }
.bg-cream-dk { background: var(--cream-dk); }
.bg-blue-pale{ background: var(--blue-pale); }
.bg-blue-dark{ background: var(--blue-dark); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 88px; align-items: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 60px; }

/* ─── Tipografía ─── */
.eyebrow {
  font-family: var(--sans); font-size: 10px; letter-spacing: 0.14em;
  color: var(--blue-mid); text-transform: uppercase; font-weight: 500;
  display: block; margin-bottom: 18px;
}
.display {
  font-family: var(--serif); font-weight: 600; font-size: clamp(52px, 5.4vw, 82px);
  line-height: 1.03; color: var(--blue-dark); letter-spacing: -0.02em;
}
.h2 {
  font-family: var(--serif); font-weight: 600; font-size: clamp(38px, 3.8vw, 57px);
  line-height: 1.05; color: var(--blue-dark); letter-spacing: -0.02em;
}
.h2.on-dark { color: #fff; }
.display em, .h2 em { font-weight: 300; font-style: italic; }
.lead { font-family: var(--sans); font-size: 16px; line-height: 1.85; color: var(--ink-soft); font-weight: 300; }
.body { font-family: var(--sans); font-size: 15px; line-height: 1.85; color: var(--ink-soft); font-weight: 300; }
.muted { color: var(--ink-muted); }
.text-on-dark p { font-family: var(--sans); font-size: 15px; line-height: 1.85; color: rgba(255,255,255,0.62); font-weight: 300; margin-bottom: 20px; }

/* ─── Botones / enlaces ─── */
.btn-solid {
  font-family: var(--sans); font-size: 13px; letter-spacing: 0.07em; font-weight: 500;
  background: var(--blue-dark); color: #fff; padding: 15px 30px; text-decoration: none;
  display: inline-block; transition: opacity 0.2s;
}
.btn-solid:hover { opacity: 0.82; }
.link-plain { font-family: var(--sans); font-size: 13px; color: var(--ink-soft); text-decoration: none; }
.link-muted { font-family: var(--sans); font-size: 13px; color: var(--ink-muted); text-decoration: none; }
.btn-outline-light {
  font-family: var(--sans); font-size: 13px; letter-spacing: 0.05em; font-weight: 500;
  color: #fff; border: 1px solid rgba(255,255,255,0.3); padding: 12px 22px;
  text-decoration: none; display: inline-block; transition: background 0.2s;
}
.btn-outline-light:hover { background: rgba(255,255,255,0.08); }
.btn-outline-light.faint { color: rgba(255,255,255,0.55); border-color: rgba(255,255,255,0.15); font-weight: 400; }
.btn-outline-light.faint:hover { background: rgba(255,255,255,0.05); }
.btn-read {
  font-family: var(--sans); font-size: 13px; letter-spacing: 0.06em; font-weight: 500; color: #fff;
  border: 1px solid rgba(255,255,255,0.25); padding: 12px 26px; text-decoration: none;
  display: inline-block; transition: background 0.2s; margin-top: 16px;
}
.btn-read:hover { background: rgba(255,255,255,0.08); }

/* ─── Estadísticas en fila ─── */
.stat-row { display: flex; gap: 52px; margin-top: 40px; flex-wrap: wrap; }
.stat .n { font-family: var(--serif); font-size: 22px; font-weight: 500; color: var(--blue-dark); margin-bottom: 4px; }
.stat .l { font-family: var(--sans); font-size: 11px; color: var(--ink-muted); letter-spacing: 0.04em; }

/* ─── Navegación (idéntica en todo el sitio) ─── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200; height: 64px;
  padding: 0 72px; display: flex; align-items: center; justify-content: space-between;
  background: transparent; border-bottom: 1px solid transparent; transition: all 0.3s;
}
.site-nav.solid,
.site-nav.scrolled { background: rgba(246,242,236,0.96); backdrop-filter: blur(12px); border-bottom-color: var(--cream-dk); }
.site-nav .logo {
  color: var(--blue-dark); text-decoration: none; display: grid; grid-template-columns: 26px 1px 188px;
  align-items: center; gap: 6px; flex-shrink: 0; font-size: 0; line-height: 0; width: 227px; height: 36px;
}
.site-nav .logo::before {
  content: ""; display: block; width: 26px; height: 26px;
  background: linear-gradient(
    to bottom,
    currentColor 0%,
    currentColor 50%,
    color-mix(in srgb, currentColor 58%, transparent) 78%,
    transparent 100%
  );
  -webkit-mask: url("uploads/logo-icon-cb.svg") center / contain no-repeat;
  mask: url("uploads/logo-icon-cb.svg") center / contain no-repeat;
}
.site-nav .logo::after {
  content: ""; display: block; grid-column: 3; width: 188px; height: 36px;
  background: linear-gradient(
    to bottom,
    currentColor 0%,
    currentColor 50%,
    color-mix(in srgb, currentColor 58%, transparent) 78%,
    transparent 100%
  );
  -webkit-mask: url("uploads/logo-dra-clara-bustos.svg") center / contain no-repeat;
  mask: url("uploads/logo-dra-clara-bustos.svg") center / contain no-repeat;
}
.site-nav .logo .logo-divider { display: none; }
.site-nav .logo { position: relative; }
.site-nav .logo span.logo-divider {
  display: block; grid-column: 2; width: 1px; height: 18px;
  background: linear-gradient(to bottom, transparent, currentColor 18%, currentColor 78%, transparent);
  opacity: 0.34;
}
.site-nav .logo.logo-en::after {
  -webkit-mask-image: url("uploads/logo-dr-clara-bustos.svg");
  mask-image: url("uploads/logo-dr-clara-bustos.svg");
}
/* Nav transparente sobre hero oscuro (p. ej. en/index.html): logo blanco arriba */
.site-nav.over-dark .logo { color: #fff; }
.site-nav.over-dark.scrolled .logo { color: var(--blue-dark); }
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links > a, .nav-trigger {
  font-family: var(--sans); font-size: 13px; letter-spacing: 0.03em; font-weight: 400;
  text-decoration: none; color: rgba(255,255,255,0.88); transition: color 0.3s;
}
.site-nav.solid .nav-links > a, .site-nav.solid .nav-trigger,
.site-nav.scrolled .nav-links > a, .site-nav.scrolled .nav-trigger { color: var(--ink-soft); }
.nav-item { position: relative; }
/* Puente invisible debajo del trigger: extiende el área de hover hasta el dropdown,
   para que mover el cursor hacia las opciones no cierre el menú. */
.nav-item::after {
  content: ""; position: absolute; top: 100%; left: -10px; right: -10px; height: 24px;
}
.nav-trigger { cursor: pointer; display: flex; align-items: center; gap: 5px; }
.nav-trigger .caret { font-size: 9px; opacity: 0.4; transition: transform 0.2s; }
.nav-item:hover .caret { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: calc(100% + 20px); left: 50%; transform: translateX(-50%);
  background: var(--cream); border: 1px solid var(--cream-dk);
  box-shadow: 0 12px 40px rgba(28,58,84,0.12); min-width: 290px;
  opacity: 0; visibility: hidden; transition: opacity 0.16s ease;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; }
.dropdown::before {
  content: ""; position: absolute; top: -5px; left: 50%; transform: translateX(-50%) rotate(45deg);
  width: 9px; height: 9px; background: var(--cream); border-left: 1px solid var(--cream-dk); border-top: 1px solid var(--cream-dk);
}
.dropdown a { display: block; padding: 15px 24px; text-decoration: none; border-bottom: 1px solid var(--cream-dk); transition: background 0.15s; }
.dropdown a:hover { background: var(--blue-pale); }
.dropdown .dd-title { font-family: var(--sans); font-size: 13px; font-weight: 500; color: var(--blue-dark); margin-bottom: 2px; }
.dropdown .dd-sub { font-family: var(--sans); font-size: 11px; color: var(--ink-muted); }
.dropdown a.dd-all {
  background: var(--cream-dk); border-bottom: none; font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--blue-mid); font-weight: 500;
}
.dropdown a.dd-all:hover { background: var(--cream-dk); color: var(--blue-dark); }
.nav-en {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.1em; font-weight: 500;
  color: rgba(255,255,255,0.5); text-decoration: none; transition: color 0.3s; padding-bottom: 1px;
}
.site-nav.solid .nav-en, .site-nav.scrolled .nav-en { color: var(--ink-muted); }
.en-contact-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 210; height: 32px;
  display: flex; align-items: center; justify-content: flex-end;
  padding: 0 72px; background: rgba(246,242,236,0.96);
  border-bottom: 1px solid var(--cream-dk);
  font-family: var(--sans); font-size: 12px; letter-spacing: 0.03em;
  color: var(--ink-soft);
}
.en-contact-bar::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 13px;
  margin-right: 8px;
  border: 1.5px solid var(--blue-mid);
  border-radius: 2px;
  box-sizing: border-box;
  box-shadow: inset 0 -2px 0 rgba(90,137,172,0.18);
}
.site-nav.with-contact-bar { top: 32px; }
.site-nav.with-contact-bar.always-solid + section { padding-top: 96px; }
/* Enlace de la página actual */
.site-nav .nav-links a.active, .site-nav .nav-trigger.active { color: var(--blue-dark) !important; font-weight: 500; border-bottom: 1px solid var(--blue-mid); padding-bottom: 2px; }
.nav-cta {
  font-family: var(--sans); font-size: 12px; letter-spacing: 0.07em; font-weight: 500;
  color: #fff; border: 1px solid rgba(255,255,255,0.7); padding: 9px 22px;
  text-decoration: none; transition: all 0.3s;
}
.nav-cta:hover { background: #fff; color: var(--blue-dark); }
.site-nav.solid .nav-cta, .site-nav.scrolled .nav-cta { color: var(--blue-dark); border-color: var(--blue-dark); }
.site-nav.solid .nav-cta:hover, .site-nav.scrolled .nav-cta:hover { background: var(--blue-dark); color: #fff; }

/* Páginas interiores: nav siempre sólido (no hay hero claro detrás) */
.site-nav.always-solid { background: rgba(246,242,236,0.96); backdrop-filter: blur(12px); border-bottom-color: var(--cream-dk); }
.site-nav.always-solid .nav-links > a, .site-nav.always-solid .nav-trigger { color: var(--ink-soft); }
.site-nav.always-solid .nav-en { color: var(--ink-muted); }
.site-nav.always-solid .nav-cta { color: var(--blue-dark); border-color: var(--blue-dark); }
.site-nav.always-solid .nav-cta:hover { background: var(--blue-dark); color: #fff; }

/* ─── Footer (idéntico en todo el sitio) ─── */
.footer { background: var(--blue-dark); padding: 68px 72px 40px; }
.footer-grid { display: grid; grid-template-columns: 5fr 3fr 3fr 3fr; gap: 48px; margin-bottom: 64px; }
.footer .brand {
  width: 227px; height: 36px; margin-bottom: 18px; color: rgba(255,255,255,0.88);
  font-size: 0; line-height: 0; display: grid; grid-template-columns: 26px 1px 188px;
  align-items: center; gap: 6px; position: relative;
}
.footer .brand span { display: none; }
.footer .brand {
  background:
    linear-gradient(to bottom, transparent, rgba(255,255,255,0.42) 18%, rgba(255,255,255,0.42) 78%, transparent)
    32px center / 1px 18px no-repeat;
}
.footer .brand::before {
  content: ""; display: block; width: 26px; height: 26px;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0.92) 0%,
    rgba(255,255,255,0.92) 50%,
    rgba(255,255,255,0.52) 78%,
    rgba(255,255,255,0.16) 100%
  );
  -webkit-mask: url("uploads/logo-icon-cb.svg") center / contain no-repeat;
  mask: url("uploads/logo-icon-cb.svg") center / contain no-repeat;
}
.footer .brand::after {
  content: ""; display: block; grid-column: 3; width: 188px; height: 36px;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0.92) 0%,
    rgba(255,255,255,0.92) 50%,
    rgba(255,255,255,0.52) 78%,
    rgba(255,255,255,0.16) 100%
  );
  -webkit-mask: url("uploads/logo-dra-clara-bustos.svg") center / contain no-repeat;
  mask: url("uploads/logo-dra-clara-bustos.svg") center / contain no-repeat;
}
.footer-grid.en .brand::after {
  -webkit-mask-image: url("uploads/logo-dr-clara-bustos.svg");
  mask-image: url("uploads/logo-dr-clara-bustos.svg");
}
.footer .brand-desc { font-family: var(--sans); font-size: 13px; line-height: 1.75; color: rgba(255,255,255,0.42); font-weight: 300; max-width: 260px; }
.footer .col-title { font-family: var(--sans); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-bottom: 22px; }
.footer .col a { display: block; font-family: var(--sans); font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: 12px; font-weight: 300; text-decoration: none; }
.footer .col a:hover { color: rgba(255,255,255,0.85); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 28px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom span { font-family: var(--sans); font-size: 11px; color: rgba(255,255,255,0.28); letter-spacing: 0.04em; }

/* ─── Responsive compartido (el menú móvil lo inyecta responsive.js) ─── */
@media (max-width: 760px) {
  .site-nav .logo {
    grid-template-columns: 30px;
    gap: 0;
    width: 30px;
    height: 38px;
  }
  .site-nav .logo::before { width: 30px; height: 30px; }
  .site-nav .logo::after,
  .site-nav .logo span.logo-divider { display: none; }
  .en-contact-bar { height: 30px; padding: 0 22px; justify-content: center; font-size: 11px; }
  .site-nav.with-contact-bar { top: 30px; }
  .site-nav.with-contact-bar.always-solid + section { padding-top: 94px; }
  .nav-links { display: none; }
  .split, .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 36px; }
  .section { padding: 72px 22px; }
  .footer { padding: 56px 22px 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}