/* ===== VARIABLES ===== */
:root {
  --color-primary: #c4956a;
  --color-primary-dark: #a87a53;
  --color-dark: #1a1a1a;
  --color-dark-soft: #2d2d2d;
  --color-gray: #6b6b6b;
  --color-gray-light: #f5f4f2;
  --color-white: #ffffff;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Jost', system-ui, sans-serif;
  --max-width: 1160px;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --transition: 0.25s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); color: var(--color-dark); background: var(--color-white); line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ===== UTILIDADES ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: 4px; font-family: var(--font-sans);
  font-size: 0.9rem; font-weight: 500; letter-spacing: 0.04em;
  cursor: pointer; transition: all var(--transition); border: 2px solid transparent;
  white-space: nowrap;
}
.btn--primary { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }
.btn--primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn--outline { background: transparent; color: var(--color-white); border-color: var(--color-white); }
.btn--outline:hover { background: var(--color-white); color: var(--color-dark); }
.btn--ghost { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.5); }
.btn--ghost:hover { background: rgba(255,255,255,0.1); }
.btn--lg { padding: 16px 36px; font-size: 1rem; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header__eyebrow { font-size: 0.78rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-primary); margin-bottom: 10px; }
.section-header__title { font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 500; line-height: 1.2; margin-bottom: 16px; }
.section-header__sub { color: var(--color-gray); max-width: 560px; margin: 0 auto; }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 32px;
  padding: 16px 40px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow); }
.nav__logo img { height: 48px; width: auto; border-radius: 4px; }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a { font-size: 0.88rem; letter-spacing: 0.03em; color: var(--color-dark); transition: color var(--transition); }
.nav__links a:hover { color: var(--color-primary); }
.nav__cta { margin-left: 8px; }
.nav__hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav__hamburger span { display: block; width: 24px; height: 2px; background: var(--color-dark); transition: all var(--transition); }

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none; flex-direction: column; gap: 0;
  position: fixed; top: 80px; left: 0; right: 0; z-index: 99;
  background: var(--color-white); border-bottom: 1px solid rgba(0,0,0,0.08);
  padding: 16px 24px 24px;
}
.mobile-menu.open { display: flex; }
.mobile-menu__link { padding: 14px 0; font-size: 1rem; border-bottom: 1px solid rgba(0,0,0,0.06); }
.mobile-menu .btn { margin-top: 16px; }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: url('../img/galeria/sillon-dental-2.jpeg') center center / cover no-repeat;
  padding-top: 80px;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,26,26,0.72) 0%, rgba(26,26,26,0.45) 100%);
}
.hero__content {
  position: relative; z-index: 1;
  text-align: center; color: var(--color-white);
  max-width: 720px; padding: 0 24px;
}
.hero__eyebrow { font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.8; margin-bottom: 16px; }
.hero__title { font-family: var(--font-serif); font-size: clamp(2.8rem, 7vw, 5rem); font-weight: 500; line-height: 1.1; margin-bottom: 20px; }
.hero__subtitle { font-size: 1.05rem; opacity: 0.88; line-height: 1.7; margin-bottom: 40px; }
.hero__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== TRUST STRIP ===== */
.trust-strip {
  background: var(--color-dark); color: var(--color-white);
  display: flex; justify-content: center; flex-wrap: wrap; gap: 0;
  padding: 0;
}
.trust-strip__item {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 32px; font-size: 0.88rem;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.trust-strip__item:last-child { border-right: none; }
.trust-strip__icon { font-size: 1.1rem; }

/* ===== SERVICIOS ===== */
.servicios { padding: 100px 0; background: var(--color-white); }
.servicios__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }

.servicio-card {
  padding: 36px 28px; border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius); transition: all var(--transition);
  background: var(--color-white);
}
.servicio-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow); transform: translateY(-4px); }
.servicio-card__icon { font-size: 2rem; margin-bottom: 16px; }
.servicio-card h3 { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 500; margin-bottom: 12px; }
.servicio-card p { color: var(--color-gray); font-size: 0.92rem; line-height: 1.7; }

/* ===== DOCTORA ===== */
.doctora { padding: 100px 0; background: var(--color-gray-light); }
.doctora__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.doctora__foto { aspect-ratio: 3/4; max-height: 520px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.doctora__img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }
.doctora__bio { padding-right: 20px; }
.doctora__bio h2 { font-family: var(--font-serif); font-size: clamp(2rem, 3.5vw, 2.6rem); font-weight: 500; line-height: 1.2; margin: 12px 0 24px; }
.doctora__bio p { color: var(--color-gray); line-height: 1.8; margin-bottom: 16px; }
.doctora__bio .btn { margin-top: 12px; }

/* ===== GALERÍA ===== */
.galeria { padding: 100px 0; background: var(--color-white); }
.galeria__grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto; gap: 12px; }
.galeria__item { overflow: hidden; border-radius: var(--radius); }
.galeria__item--wide { grid-column: span 2; }
.galeria__item img { width: 100%; height: 280px; object-fit: cover; transition: transform 0.4s ease; }
.galeria__item--wide img { height: 400px; }
.galeria__item:hover img { transform: scale(1.04); }

/* ===== RESULTADOS ===== */
.resultados { padding: 100px 0; background: var(--color-dark); }
.resultados .section-header__title { color: var(--color-white); }
.resultados .section-header__sub { color: rgba(255,255,255,0.65); }
.resultados__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.resultado-card { position: relative; border-radius: var(--radius); overflow: hidden; }
.resultado-card img { width: 100%; height: 400px; object-fit: cover; }
.resultado-card__label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 16px 20px; background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--color-white); font-size: 0.9rem; letter-spacing: 0.04em;
}

/* ===== PACIENTES FORÁNEOS ===== */
.foraneos { padding: 100px 0; background: var(--color-soft); }
.foraneos__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 56px; }
.foraneos__card { background: var(--color-white); border-radius: var(--radius); padding: 40px 32px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 16px; }
.foraneos__icon { font-size: 2.2rem; }
.foraneos__card h3 { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 500; color: var(--color-dark); }
.foraneos__card p { color: var(--color-gray); line-height: 1.75; flex: 1; }
.foraneos__card .btn { align-self: flex-start; margin-top: 8px; }

/* ===== CONTACTO ===== */
.contacto { padding: 100px 0; background: var(--color-white); }
.contacto__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contacto__info h2 { font-family: var(--font-serif); font-size: clamp(2rem, 3.5vw, 2.6rem); font-weight: 500; margin: 12px 0 32px; }
.contacto__datos { display: flex; flex-direction: column; gap: 24px; margin-bottom: 36px; }
.contacto__dato { display: flex; flex-direction: column; gap: 4px; }
.contacto__dato strong { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-primary); }
.contacto__dato span { color: var(--color-gray); line-height: 1.7; }
.contacto__dato a { color: var(--color-dark); transition: color var(--transition); }
.contacto__dato a:hover { color: var(--color-primary); }
.contacto__mapa { height: 480px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }

/* ===== FOOTER ===== */
.footer { background: var(--color-dark-soft); color: rgba(255,255,255,0.6); padding: 40px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer__logo { height: 36px; width: auto; border-radius: 4px; opacity: 0.8; }
.footer__copy { font-size: 0.83rem; }
.footer__credit { font-size: 0.83rem; }
.footer__credit a { color: var(--color-primary); }

/* ===== WHATSAPP FAB ===== */
.whatsapp-fab {
  position: fixed; bottom: 28px; right: 28px; z-index: 200;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-fab:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,0.5); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .servicios__grid { grid-template-columns: repeat(2, 1fr); }
  .doctora__inner { gap: 48px; }
}

@media (max-width: 768px) {
  .nav { padding: 14px 20px; }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  .trust-strip { flex-direction: column; gap: 0; }
  .trust-strip__item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); justify-content: center; }
  .trust-strip__item:last-child { border-bottom: none; }

  .servicios__grid { grid-template-columns: 1fr; }
  .doctora__inner { grid-template-columns: 1fr; gap: 32px; }
  .doctora__foto { max-height: 320px; }
  .doctora__bio { padding-right: 0; }

  .galeria__grid { grid-template-columns: 1fr 1fr; }
  .galeria__item--wide { grid-column: span 2; }

  .resultados__grid { grid-template-columns: 1fr; }
  .resultado-card img { height: 280px; }

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

  .contacto__inner { grid-template-columns: 1fr; }
  .contacto__mapa { height: 300px; }

  .footer__inner { flex-direction: column; text-align: center; }

  .hero__actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .galeria__grid { grid-template-columns: 1fr; }
  .galeria__item--wide { grid-column: span 1; }
  .galeria__item img, .galeria__item--wide img { height: 240px; }
}