/* Clínica Dental Nayef — estilos propios */

:root {
  --negro: #0b0b0c;
  --tinta: #333640;
  --blanco: #ffffff;
  --crema: #f6f4ef;
  --texto: #2b2b2b;
  --texto-claro: #f2f1ee;
  --texto-tenue: #b9b8c2;
  --borde-claro: rgba(0,0,0,.1);
  --borde-oscuro: rgba(255,255,255,.16);

  --mk-primario: var(--negro);
  --mk-secundario: var(--tinta);
  --mk-fondo: #ffffff;
  --mk-texto: var(--texto);

  --font-titulo: 'Fraunces', 'Georgia', serif;
  --font-texto: 'Raleway', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-texto);
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, blockquote { font-family: var(--font-titulo); margin: 0; }
p { margin: 0; line-height: 1.65; }
ul { margin: 0; padding: 0; list-style: none; }

.eyebrow {
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--tinta);
  font-weight: 600;
  margin: 0 0 .9rem;
}
.eyebrow--light { color: var(--texto-tenue); }

.section-title {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  font-weight: 500;
  line-height: 1.15;
  max-width: 18ch;
}
.section-title--light { color: var(--texto-claro); }
.section-sub {
  max-width: 56ch;
  margin-top: 1rem;
  font-size: 1.05rem;
  color: var(--tinta);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .96rem;
  letter-spacing: .01em;
  transition: transform .35s cubic-bezier(.22,1,.36,1), background .3s, color .3s, border-color .3s;
  white-space: nowrap;
}
.btn-solid { background: var(--negro); color: var(--blanco); }
.btn-solid:hover { transform: translateY(-2px); background: var(--tinta); }
.btn-ghost { border: 1.5px solid currentColor; color: inherit; }
.btn-ghost:hover { transform: translateY(-2px); background: rgba(255,255,255,.1); }
.btn-grande { padding: 1.15rem 2.3rem; font-size: 1.05rem; }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky; top: 0; z-index: 500;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
  padding: .85rem clamp(1.2rem, 4vw, 3rem);
  background: rgba(11,11,12,.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.brand img { height: 34px; width: auto; }
.site-nav { display: flex; gap: 2rem; flex: 1; justify-content: center; }
.site-nav a { color: var(--texto-claro); font-size: .92rem; font-weight: 500; letter-spacing: .02em; position: relative; }
.site-nav a::after { content: ""; position: absolute; left: 0; bottom: -4px; height: 1px; width: 0; background: var(--blanco); transition: width .3s; }
.site-nav a:hover::after { width: 100%; }
.header-tel {
  display: flex; align-items: center; gap: .5rem;
  color: var(--blanco); font-weight: 700; font-size: .95rem;
  border: 1px solid var(--borde-oscuro); border-radius: 999px; padding: .5rem 1rem;
  transition: background .3s;
}
.header-tel:hover { background: rgba(255,255,255,.1); }
.header-tel svg { width: 16px; height: 16px; fill: currentColor; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: flex-end;
  overflow: hidden;
  color: var(--texto-claro);
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-scrim {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(0deg, rgba(6,6,7,.92) 0%, rgba(6,6,7,.55) 42%, rgba(6,6,7,.25) 68%, rgba(6,6,7,.45) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 3rem clamp(1.2rem, 4vw, 3rem) 4.5rem; max-width: 900px; }
.hero .eyebrow { color: var(--texto-tenue); }
.hero h1 {
  font-size: clamp(2.3rem, 6vw, 4.4rem);
  font-weight: 500;
  line-height: 1.08;
  text-shadow: 0 2px 24px rgba(0,0,0,.35);
}
.hero-sub { margin-top: 1.4rem; font-size: 1.1rem; max-width: 52ch; color: var(--texto-claro); text-shadow: 0 1px 12px rgba(0,0,0,.4); }
.hero-actions { margin-top: 2.2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.hero .btn-ghost { border-color: rgba(255,255,255,.55); }

.scroll-cue {
  position: absolute; z-index: 2; bottom: 1.6rem; left: 50%; transform: translateX(-50%);
  width: 22px; height: 22px; stroke: rgba(255,255,255,.75); stroke-width: 1.6; fill: none;
  animation: mkBounce 2s ease-in-out infinite;
}
@keyframes mkBounce { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ---------- TRUST STRIP ---------- */
.trust {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2rem; align-items: center;
  padding: 3.4rem clamp(1.2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--borde-claro);
}
.trust-item { text-align: center; }
.trust-num { display: block; font-family: var(--font-titulo); font-size: 2.6rem; font-weight: 600; color: var(--negro); }
.trust-label { display: block; margin-top: .4rem; font-size: .85rem; color: var(--tinta); max-width: 20ch; margin-inline: auto; }
.trust-item--badge img { max-height: 40px; width: auto; margin: 0 auto; opacity: .85; }

/* ---------- HISTORIA ---------- */
.historia {
  background: var(--negro); color: var(--texto-claro);
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.historia-media { position: relative; min-height: 480px; }
.historia-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.historia-content { padding: clamp(2.4rem, 5vw, 5rem); display: flex; flex-direction: column; justify-content: center; }
.pull-quote {
  font-style: italic; font-weight: 500;
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  line-height: 1.4;
  color: var(--blanco);
  margin-bottom: 1.6rem;
}
.historia-texto { color: var(--texto-tenue); font-size: 1rem; max-width: 54ch; }
.filosofia { margin-top: 1.8rem; display: grid; gap: .8rem; }
.filosofia li {
  padding-left: 1.6rem; position: relative; font-size: .95rem; color: var(--texto-claro);
}
.filosofia li::before {
  content: ""; position: absolute; left: 0; top: .5em; width: 8px; height: 8px; border-radius: 50%;
  background: var(--texto-claro);
}
.signature-divider { margin-top: 2.2rem; width: 220px; }
.signature-divider svg { width: 100%; height: auto; overflow: visible; }
.sig-path {
  fill: none; stroke: var(--texto-claro); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 620; stroke-dashoffset: 620;
  transition: stroke-dashoffset 1.6s cubic-bezier(.22,1,.36,1);
}
.mk-reveal.mk-in .sig-path { stroke-dashoffset: 0; }
.sedes .signature-divider .sig-path,
.servicios .signature-divider .sig-path { stroke: var(--negro); }

/* ---------- SERVICIOS ---------- */
.servicios { background: var(--crema); padding: 5.5rem clamp(1.2rem, 4vw, 3rem) 6rem; }
.servicio-destacado {
  margin-top: 3rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center;
  background: var(--blanco); border-radius: 14px; overflow: hidden;
  box-shadow: 0 30px 60px rgba(15,15,20,.08);
}
.servicio-destacado-media { position: relative; min-height: 340px; height: 100%; }
.servicio-destacado-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.servicio-destacado-texto { padding: 2.4rem 2.6rem 2.4rem 0; }
.badge {
  display: inline-block; font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  font-weight: 700; color: var(--negro); background: var(--crema); border: 1px solid var(--negro);
  padding: .3rem .7rem; border-radius: 999px; margin-bottom: 1rem;
}
.servicio-destacado-texto h3 { font-size: 1.6rem; font-weight: 500; margin-bottom: .8rem; }
.servicio-destacado-texto p { color: var(--tinta); }

.servicios-grid {
  margin-top: 2.8rem;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.servicio-item {
  background: var(--blanco); border: 1px solid var(--borde-claro); border-radius: 12px;
  padding: 1.8rem 1.7rem;
}
.servicio-item h3 { font-size: 1.08rem; font-weight: 600; margin-bottom: .6rem; font-family: var(--font-texto); }
.servicio-item p { font-size: .92rem; color: var(--tinta); }
.servicio-item--urgente { background: var(--negro); border-color: var(--negro); }
.servicio-item--urgente h3, .servicio-item--urgente p { color: var(--texto-claro); }

.servicio-media-secundaria {
  margin-top: 3rem; position: relative; border-radius: 14px; overflow: hidden; min-height: 320px;
}
.servicio-media-secundaria img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.servicio-media-secundaria p {
  position: relative; z-index: 1; margin: 0; padding: 2rem;
  color: var(--texto-claro); font-family: var(--font-titulo); font-style: italic; font-size: 1.3rem;
  max-width: 30ch;
  background: linear-gradient(0deg, rgba(6,6,7,.82), transparent 70%);
  min-height: 320px; display: flex; align-items: flex-end;
}

/* ---------- EQUIPO ---------- */
.equipo { background: var(--negro); padding: 5.5rem clamp(1.2rem, 4vw, 3rem) 6rem; text-align: center; }
.equipo .section-title { margin: 0 auto; }
.equipo-grid {
  margin-top: 3.4rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.4rem;
  text-align: left;
}
.equipo-foto { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 3/4; }
.equipo-foto img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.equipo-card h3 { margin-top: 1.4rem; font-size: 1.3rem; color: var(--blanco); font-weight: 500; }
.equipo-card .cargo { margin-top: .3rem; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; color: var(--texto-tenue); font-weight: 600; }
.equipo-card .bio { margin-top: .9rem; font-size: .92rem; color: var(--texto-tenue); line-height: 1.6; }

/* ---------- SEDES ---------- */
.sedes { padding: 5.5rem clamp(1.2rem, 4vw, 3rem) 4rem; }
.sedes-grid { margin-top: 2.8rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }
.sede-card { background: var(--crema); border-radius: 14px; padding: 2.2rem; }
.sede-card h3 { font-size: 1.4rem; font-weight: 500; margin-bottom: 1rem; }
.sede-linea { margin-top: .5rem; color: var(--tinta); }
.sede-linea a { font-weight: 600; color: var(--negro); }
.sede-linea a:hover { text-decoration: underline; }
.sede-como-llegar { font-size: .88rem; opacity: .85; }
.sedes-horario { margin-top: 2.4rem; text-align: center; font-size: .95rem; color: var(--tinta); }

/* ---------- CTA CIERRE ---------- */
.cta-cierre {
  background: var(--negro); color: var(--texto-claro); text-align: center;
  padding: 6rem clamp(1.2rem, 4vw, 3rem);
}
.cta-cierre .section-title { margin: 0 auto; }
.cta-cierre .btn-solid { background: var(--blanco); color: var(--negro); }
.cta-cierre .btn-solid:hover { background: var(--texto-claro); }
.cta-cierre .mk-pulse::after { border-color: var(--blanco); }
.cta-texto { max-width: 46ch; margin: 1.2rem auto 2.4rem; color: var(--texto-tenue); font-size: 1.05rem; }
.cta-contacto { margin-top: 2.6rem; display: grid; gap: .4rem; font-size: .92rem; color: var(--texto-tenue); }
.cta-contacto a { color: var(--texto-claro); font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { padding: 5.5rem clamp(1.2rem, 4vw, 3rem) 6rem; max-width: 900px; margin: 0 auto; }
.faq-list { margin-top: 2.4rem; display: grid; gap: .9rem; }
.faq-item {
  border: 1px solid var(--borde-claro); border-radius: 12px; padding: 1.1rem 1.4rem;
  background: var(--blanco);
}
.faq-item summary {
  cursor: pointer; font-weight: 600; font-size: 1.02rem; 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: "+"; font-size: 1.4rem; font-weight: 400; color: var(--tinta); flex-shrink: 0;
  transition: transform .3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: .9rem; color: var(--tinta); font-size: .95rem; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--negro); color: var(--texto-tenue); padding: 4rem clamp(1.2rem, 4vw, 3rem) 2rem; }
.footer-top {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 2.5rem;
  padding-bottom: 2.6rem; border-bottom: 1px solid var(--borde-oscuro);
}
.footer-logo { height: 42px; width: auto; }
.footer-col h4 { font-family: var(--font-texto); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; color: var(--texto-claro); margin-bottom: .8rem; }
.footer-col p { margin-top: .4rem; font-size: .9rem; }
.footer-col a:hover { text-decoration: underline; }
.footer-redes { margin-top: .6rem; display: flex; gap: 1rem; }
.footer-legal { margin-top: 1.8rem; font-size: .8rem; text-align: center; color: var(--texto-tenue); opacity: .7; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1000px) {
  .servicios-grid { grid-template-columns: repeat(2, 1fr); }
  .equipo-grid { grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
  .footer-top { grid-template-columns: 1fr 1fr; row-gap: 2rem; }
}

@media (max-width: 780px) {
  .site-nav { display: none; }
  .header-tel span { display: none; }
  .header-tel { padding: .6rem; }

  .hero-content { padding: 2rem 1.2rem 3.2rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }

  .trust { grid-template-columns: 1fr 1fr; row-gap: 2rem; }

  .historia { grid-template-columns: 1fr; }
  .historia-media { min-height: 280px; }

  .servicio-destacado { grid-template-columns: 1fr; }
  .servicio-destacado-texto { padding: 2rem 1.5rem; }
  .servicios-grid { grid-template-columns: 1fr; }

  .equipo-grid { grid-template-columns: 1fr; max-width: 380px; margin-inline: auto; }

  .sedes-grid { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr; }
}