/* =====================================================
   CLÍNICA LOS CASTAÑOS — sistema de diseño del prototipo
   Paleta minimalista, tema único (sin modo oscuro), esquinas
   casi rectas, sin insignias circulares: tipografía + fotografía
   real (con espacios reservados) llevan el peso visual.
   ===================================================== */

:root {
  /* color — terracota (castaño) + esmeralda, cálido y con más carácter */
  --paper: #FFFBF6;
  --paper-2: #FBF2E8;
  --white: #FFFFFF;
  --ink: #211A15;
  --ink-soft: #6E6259;
  --line: #E9DCCB;

  --forest: #0E7C55;      /* acento primario: médico, links, acciones */
  --forest-dark: #0B5F42;
  --forest-tint: #E4F4EC;

  --chestnut: #A34A1F;    /* acento secundario: dental, etiquetas, marca */
  --chestnut-dark: #7C3714;
  --chestnut-tint: #FBE9D9;

  /* type — Calistoga (calidez editorial) + Inter (moderno, muy legible) */
  --font-display: "Calistoga", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  /* layout — radios pequeños y consistentes, casi editorial */
  --wrap: 1180px;
  --radius-sm: 4px;
  --radius-md: 7px;
  --radius-lg: 10px;

  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; line-height: 1.1; font-weight: 400; text-wrap: balance; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
figure { margin: 0; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--forest); color: var(--white); padding: 12px 18px; border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2.5px solid var(--forest); outline-offset: 2px; }
.hero__banner :focus-visible { outline-color: var(--white); }

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

.eyebrow {
  font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--chestnut); margin-bottom: 10px;
}

/* ---------- fotografía (banco de imágenes hasta tener fotos reales) ---------- */
.photo {
  position: relative;
  aspect-ratio: var(--ratio, 4/3);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, var(--paper-2) 0 9px, var(--white) 9px 18px);
  overflow: hidden;
}
.photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo__tag {
  position: absolute; left: 10px; bottom: 10px;
  font-size: 10.5px; font-weight: 700; letter-spacing: .03em;
  background: var(--ink); color: var(--white); padding: 5px 9px; border-radius: 3px;
  box-shadow: 0 1px 6px rgba(0,0,0,.25);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 22px; font-weight: 700; font-size: 15px;
  border: 1.5px solid transparent; text-decoration: none; transition: background .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--forest); color: var(--white); }
.btn--primary:hover { background: var(--forest-dark); }
.btn--ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--forest); color: var(--forest); }
.btn--sm { padding: 9px 16px; font-size: 13.5px; }
.btn--block { width: 100%; }
.btn--whatsapp { background: var(--forest); color: #fff; }
.btn--whatsapp:hover { background: var(--forest-dark); }

/* =========================================================
   HEADER — sticky, un ítem por línea, nunca se envuelve
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 24px; gap: 16px;
}
.brand { text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand__text {
  font-family: var(--font-display); font-weight: 400; font-size: 18px;
  letter-spacing: -.01em; white-space: nowrap;
}

.main-nav { flex: 1; min-width: 0; display: flex; justify-content: center; }
.main-nav ul {
  display: flex; align-items: center; gap: 4px;
  flex-wrap: nowrap; white-space: nowrap;
}
.main-nav a {
  display: block; text-decoration: none; font-weight: 600; font-size: 14px;
  color: var(--ink-soft); padding: 8px 12px; border-radius: var(--radius-sm);
}
.main-nav a:hover { color: var(--forest); background: var(--forest-tint); }

.site-header__actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nav-toggle {
  display: none; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  background: none; border: none; flex-shrink: 0;
  min-width: 44px; min-height: 44px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }

/* =========================================================
   HERO — foto de fondo con velo verde de marca, texto encima
   ========================================================= */
.hero { padding-bottom: 40px; }

.hero__banner {
  position: relative; overflow: hidden; padding: 76px 0 64px;
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
}
.hero__banner-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero__banner::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: var(--forest); opacity: .90;
}
.hero__banner > .wrap { position: relative; z-index: 2; }
.hero__banner-tag { position: absolute; z-index: 2; left: 24px; bottom: 16px; }

.hero__copy { max-width: 560px; }
.hero__banner .eyebrow, .hero__title, .hero__lede, .hero__coverage {
  text-shadow: 0 1px 4px rgba(0,0,0,.35); /* respaldo de contraste sobre zonas claras de la foto */
}
.hero__banner .eyebrow { color: #FBE9D9; }
.hero__title { font-size: clamp(30px, 4vw, 46px); letter-spacing: -.01em; color: var(--white); }
.hero__lede { margin-top: 16px; font-size: 17px; color: rgba(255,255,255,.92); max-width: 56ch; }
.hero__coverage { margin-top: 20px; color: rgba(255,255,255,.9); font-size: 14px; }
.hero__coverage strong { color: var(--white); }
.hero__coverage a { color: var(--white); font-weight: 700; text-decoration: underline; }

.gateway {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 52px;
}
.gateway__card {
  text-align: left; border-radius: var(--radius-lg);
  display: flex; flex-direction: column;
  background: var(--white); color: var(--ink); cursor: pointer;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .15s ease, transform .2s ease, box-shadow .2s ease;
}
.gateway__card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px -16px rgba(33,26,21,.25); }
.gateway__card .photo { border: none; border-bottom: 1px solid var(--line); border-radius: 0; }
.gateway__body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 7px; }
.gateway__eyebrow { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.gateway__card--medica .gateway__eyebrow { color: var(--forest); }
.gateway__card--dental .gateway__eyebrow { color: var(--chestnut); }
.gateway__selected-badge {
  display: none; font-size: 10.5px; font-weight: 700; letter-spacing: normal; text-transform: none;
  color: var(--ink-soft); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px;
}
.gateway__card[aria-pressed="true"] .gateway__selected-badge { display: inline-block; }
.gateway__title { font-family: var(--font-display); font-size: 21px; font-weight: 400; }
.gateway__desc { color: var(--ink-soft); font-size: 14px; }
.gateway__cta { margin-top: 6px; font-weight: 700; font-size: 13.5px; }
.gateway__card--medica .gateway__cta { color: var(--forest); }
.gateway__card--dental .gateway__cta { color: var(--chestnut); }

/* =========================================================
   SECTIONS (generic) — todo el sitio en tonos neutros
   ========================================================= */
.section { padding: 72px 0; }
.section--alt { background: var(--paper-2); }
.section__title { font-size: clamp(26px, 3vw, 36px); max-width: 22ch; }
.section__lede { margin-top: 14px; font-size: 16px; color: var(--ink-soft); max-width: 68ch; }

/* ---------- finder ---------- */
.finder { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; }
.finder__input-wrap {
  flex: 1 1 340px; display: flex; align-items: center; gap: 10px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 13px 18px;
}
.finder__input-wrap svg { color: var(--ink-soft); flex-shrink: 0; }
#finderInput { border: none; outline: none; flex: 1; font: inherit; font-size: 15px; background: transparent; color: var(--ink); }
.finder__filters { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: var(--white); color: var(--ink-soft);
  border-radius: 999px; padding: 9px 16px; font-size: 13px; font-weight: 700;
  min-height: 44px; display: inline-flex; align-items: center;
}
.chip.is-active { background: var(--forest); border-color: var(--forest); color: var(--white); }

.finder__results { margin-top: 24px; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.finder__card {
  background: var(--white); padding: 18px; display: flex; flex-direction: column; gap: 8px;
}
.finder__card__tag { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.finder__card__tag--medica { color: var(--forest); }
.finder__card__tag--dental { color: var(--chestnut); }
.finder__card__tag--examen { color: var(--ink-soft); }
.finder__card h3 { font-size: 16.5px; font-family: var(--font-display); font-weight: 400; }
.finder__card p { font-size: 13.5px; color: var(--ink-soft); }
.finder__card__match { font-size: 12px; color: var(--ink-soft); font-style: italic; }
.finder__empty { margin-top: 22px; color: var(--ink-soft); }
.finder__empty a { color: var(--forest); font-weight: 700; }

/* ---------- programas (Dra. Zoonrisas / Espacio Girasol / Children's Smiles) ---------- */
.programs-grid { margin-top: 34px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.program-card { display: flex; flex-direction: column; gap: 10px; }
.program-card .photo { border-radius: var(--radius-lg); margin-bottom: 4px; }
.program-card__eyebrow { font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.program-card--zoonrisas .program-card__eyebrow,
.program-card--smiles .program-card__eyebrow { color: var(--chestnut); }
.program-card--girasol .program-card__eyebrow { color: var(--forest); }
.program-card h3 { font-size: 19px; }
.program-card p { font-size: 14px; color: var(--ink-soft); }
.program-card__list { display: flex; flex-direction: column; gap: 6px; margin-top: 2px; border-top: 1px solid var(--line); padding-top: 12px; }
.program-card__list li { font-size: 13px; color: var(--ink-soft); padding-left: 14px; position: relative; }
.program-card__list li::before { content: '—'; position: absolute; left: 0; color: var(--line); }
.program-card__link { margin-top: 4px; font-weight: 700; font-size: 13.5px; text-decoration: none; }
.program-card--zoonrisas .program-card__link,
.program-card--smiles .program-card__link { color: var(--chestnut); }
.program-card--girasol .program-card__link { color: var(--forest); }

/* ---------- testimonios ---------- */
.testimonials-grid { margin-top: 32px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.testimonial-card { background: var(--white); margin: 0; padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.testimonial-card__stars { color: var(--chestnut); font-size: 13px; letter-spacing: 2px; }
.testimonial-card blockquote { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--ink); }
.testimonial-card figcaption { font-size: 13px; font-weight: 700; color: var(--ink-soft); }
.testimonials-source { margin-top: 20px; font-size: 12.5px; color: var(--ink-soft); }
.testimonials-source a { color: var(--forest); font-weight: 700; }

/* ---------- dental viewer ---------- */
.dental-viewer { margin-top: 36px; display: grid; grid-template-columns: 260px 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.dental-viewer__list { display: flex; flex-direction: column; background: var(--white); border-right: 1px solid var(--line); }
.treatment-btn {
  text-align: left; background: transparent; border: none; border-bottom: 1px solid var(--line);
  padding: 15px 18px; color: var(--ink-soft); font-weight: 600; font-size: 14px;
}
.treatment-btn:hover { background: var(--paper-2); }
.treatment-btn[aria-selected="true"] { background: var(--chestnut-tint); color: var(--chestnut); }

.dental-viewer__panel { background: var(--white); padding: 30px; }
.tp-head { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: flex-start; margin-bottom: 6px; }
.tp-head h3 { font-size: 22px; }
.tp-meta { display: flex; gap: 0; flex-wrap: wrap; margin-top: 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.tp-meta__item { padding: 12px 16px; min-width: 160px; flex: 1; border-right: 1px solid var(--line); }
.tp-meta__item:last-child { border-right: none; }
.tp-meta__item span { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); font-weight: 700; }
.tp-meta__item strong { font-family: var(--font-display); font-size: 18px; color: var(--chestnut); font-weight: 400; }

.tp-steps { margin-top: 24px; }
.tp-steps__track { display: flex; align-items: center; gap: 4px; margin-bottom: 16px; }
.tp-ring {
  width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--line); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; color: var(--ink-soft);
  background: var(--white); transition: all .2s ease; cursor: pointer; font-family: inherit; padding: 0;
}
.tp-ring.is-done { background: var(--chestnut); border-color: var(--chestnut); color: var(--white); }
.tp-ring.is-current { border-color: var(--chestnut); color: var(--chestnut); }
.tp-steps__line { flex: 1; height: 1px; background: var(--line); }
.tp-steps__line.is-done { background: var(--chestnut); }
.tp-step-desc { border-left: 2px solid var(--chestnut); padding: 2px 0 2px 16px; }
.tp-step-desc h4 { font-size: 16.5px; margin-bottom: 5px; }
.tp-step-desc p { font-size: 14px; color: var(--ink-soft); }
.tp-nav { display: flex; gap: 10px; margin-top: 18px; }
.tp-nav button { border: 1px solid var(--line); background: var(--white); border-radius: 999px; padding: 8px 18px; font-weight: 700; font-size: 13px; }
.tp-nav button:not(:disabled):hover { border-color: var(--chestnut); color: var(--chestnut); }
.tp-nav button:disabled { opacity: .4; cursor: not-allowed; }
.tp-note { margin-top: 16px; font-size: 12px; color: var(--ink-soft); }

/* ---------- coverage (convenios) ---------- */
.coverage { margin-top: 32px; }
.coverage__tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.coverage__tabs button {
  background: var(--white); border: 1px solid var(--line); color: var(--ink-soft);
  border-radius: 999px; padding: 10px 18px; font-weight: 700; font-size: 13.5px;
  min-height: 44px; display: inline-flex; align-items: center;
}
.coverage__tabs button[aria-selected="true"] { background: var(--forest); border-color: var(--forest); color: var(--white); }
.coverage__panel {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px;
}
.coverage__panel h3 { font-size: 21px; margin-bottom: 8px; }
.coverage__panel > div > p { color: var(--ink-soft); font-size: 14.5px; }
.coverage__list { display: flex; flex-direction: column; gap: 10px; }
.coverage__list li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); font-size: 14px; }
.coverage__list li svg { flex-shrink: 0; margin-top: 3px; color: var(--forest); }
.coverage__note { margin-top: 14px; background: var(--paper-2); border-radius: var(--radius-sm); padding: 13px 15px; font-size: 12.5px; color: var(--ink-soft); }

/* ---------- team ---------- */
.team-grid { margin-top: 32px; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 24px; }
.team-card { text-align: left; }
.team-card .photo { border-radius: var(--radius-lg); margin-bottom: 12px; }
.team-card h3 { font-size: 15.5px; font-family: var(--font-display); }
.team-card__role { color: var(--chestnut); font-size: 12.5px; font-weight: 700; margin-top: 2px; }
.team-card__sis { display: block; margin-top: 6px; font-size: 11.5px; color: var(--ink-soft); }

/* ---------- booking ---------- */
.reserva__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.reserva__facts { margin-top: 24px; display: flex; flex-direction: column; gap: 9px; }
.reserva__facts li { font-size: 14px; color: var(--ink-soft); }
.reserva__facts strong { color: var(--ink); }

.booking-form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; display: flex; flex-direction: column; gap: 15px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field[hidden] { display: none; }
.field label { font-size: 12.5px; font-weight: 700; color: var(--ink-soft); }
.field__error { margin: 0; font-size: 12.5px; font-weight: 600; color: #B3261E; }
.field input[aria-invalid="true"], .field select[aria-invalid="true"], .field textarea[aria-invalid="true"] {
  border-color: #B3261E;
}
.field input, .field select, .field textarea {
  font: inherit; padding: 11px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--paper); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--forest); }
.booking-form__note { font-size: 12px; color: var(--ink-soft); text-align: center; }

/* ---------- footer — neutro, sin color de marca ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.72); padding: 52px 0 24px; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
.brand--footer { display: block; color: var(--white); margin-bottom: 12px; font-family: var(--font-display); font-size: 18px; font-weight: 400; text-decoration: none; }
.site-footer p { font-size: 13px; line-height: 1.6; }
.site-footer h3 { font-family: var(--font-body); font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; color: rgba(255,255,255,.5); margin-bottom: 13px; }
.site-footer ul { display: flex; flex-direction: column; gap: 8px; }
.site-footer a { text-decoration: none; font-size: 13px; }
.site-footer a:hover { text-decoration: underline; }
.site-footer__legal { margin-top: 36px; text-align: center; font-size: 11.5px; color: rgba(255,255,255,.4); }

/* ---------- floating whatsapp ---------- */
.fab-whatsapp {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  background: var(--forest); color: #fff; font-weight: 700; font-size: 13.5px;
  padding: 13px 20px; border-radius: 999px;
  text-decoration: none;
  transition: background .15s ease;
}
.fab-whatsapp:hover { background: var(--forest-dark); }

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* laptops angostos: da un poco más de aire al nav antes del quiebre a móvil */
@media (max-width: 1120px) {
  .main-nav ul { gap: 0; }
  .main-nav a { padding: 8px 9px; font-size: 13.5px; }
  .site-header__actions .btn--ghost { display: none; }
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed; inset: 64px 0 0 0; height: calc(100vh - 64px); flex: none;
    background: var(--paper);
    transform: translateX(100%); transition: transform .25s ease; overflow-y: auto;
    padding: 18px 22px; border-top: 1px solid var(--line); justify-content: flex-start;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 2px; white-space: normal; }
  .main-nav a { padding: 14px 6px; border-bottom: 1px solid var(--line); border-radius: 0; font-size: 15px; }
  .nav-toggle { display: flex; }

  .hero__copy { max-width: none; }
  .hero__banner { padding: 56px 0 48px; }
  .gateway { grid-template-columns: 1fr; }
  .programs-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .dental-viewer { grid-template-columns: 1fr; }
  .dental-viewer__list {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line);
    border-right: none; border-bottom: 1px solid var(--line);
  }
  .treatment-btn { background: var(--white); white-space: normal; text-align: center; border: none; padding: 14px 10px; font-size: 13px; }
  .coverage__panel { grid-template-columns: 1fr; }
  .reserva__grid { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .programs-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .testimonial-card { padding: 16px; gap: 8px; }
  .testimonial-card blockquote { font-size: 13px; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .site-header__bar { padding: 12px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}