/* ====== Reset + Base ====== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  /* Colores de marca (ajústalos si cambia el branding) */
  --brand: #0d2f5a;
  --brand-600: #0a2446;
  --text: #0f172a;
  /* slate-900 aprox */
  --text-soft: #334155;
  /* slate-600 aprox */
  --bg: #fcfcfc;
  --muted: #f1f5f9;
  /* slate-100 aprox */
  --ring: 0 0 0 3px rgba(13, 47, 90, .3);

  /* Layout */
  --container: 1120px;
  --radius: 12px;
  --space-1: .25rem;
  /* 4px */
  --space-2: .5rem;
  /* 8px */
  --space-3: .75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-6: 1.5rem;
  /* 24px */
  --space-8: 2rem;
  /* 32px */
  --space-12: 3rem;
  /* 48px */
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  /* Tipografía fluida: entre 16px y 18px según ancho */
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.6;
}

/* Mejor foco accesible por teclado */
:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 6px;
}

/* Contenedor típico centrado */
.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Espaciado vertical por secciones */
section {
  padding: var(--space-12) 0;
}

/* ====== Header / Nav ====== */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(120%) blur(6px);
  border-bottom: 1px solid #e2e8f0;
}

header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.brand {
  font-weight: 800;
  color: var(--brand);
  letter-spacing: .3px;
  text-decoration: none;
}

/* Tu nav adaptada y accesible */
.nav-links ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  position: relative;
  text-decoration: none;
  color: var(--brand);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 3px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  inset-block-end: 0;
  width: 100%;
  height: 2px;
  background-color: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

/* ====== Hero (inicio) ====== */
#inicio {
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: clamp(2rem, 6vw, 4rem);
  background: linear-gradient(180deg, #ffffff 0%, #bedfff 100%);
}

#inicio .hero {
  display: grid;
  gap: var(--space-6);
}

#inicio h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.1;
  color: var(--brand-600);
  letter-spacing: .2px;
}

#inicio p {
  color: var(--text-soft);
  font-size: 1.225rem;
  max-width: 60ch;
}

/* ====== Sucursales ====== */
#sucursales h2 {
  font-size: clamp(1.75rem, 3.5vw, 2rem);
  margin-bottom: var(--space-12);
  color: var(--brand-600);
}

.sucursales-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(12, 1fr);
}

.sucursal-card {
  grid-column: span 12;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
  transition: box-shadow .2s ease, transform .15s ease;
}

.sucursal-card:hover {
  box-shadow: 0 8px 24px rgba(2, 6, 23, .08);
  transform: translateY(-2px);
}

.sucursal-card h3 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text);
}

.sucursal-card figure {
  margin: 0;
  background: var(--muted);
  border-radius: 10px;
  color: var(--text-soft);
}

.sucursal-card address {
  font-style: normal;
  color: var(--text-soft);
  display: grid;
  gap: 4px;
}

.sucursal-card p {
  font-size: .70rem;
  margin: 0;
}

.sucursal-card span {
  font-size: 1.35rem;
  margin: 0;
}

.sucursal-card .media figcaption{
  position: absolute;
  left:0;
  right: 0;
  bottom: 0;
  padding: 6px 10px;
  font-size: .9rem;
  color: #fff;
  background: linear-gradient(to top, rgba(0, 0, 0, .45), rgba(0, 0, 0, 0));
  pointer-events: none;
}

figure {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  /* Relación 16:9 */
  overflow: hidden;
  border-radius: 10px;
}

figure img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

figure iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Tabs para cambiar entre imagen/mapa */
.media-tabs{
  margin-top: var(--space-3) auto 0;
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  background: var(--muted);
  border-radius: 999px;
  width: max-content;
  max-width: 100%;
  justify-self: center;
}

.media-tabs .tab{
  border: 0;
  background: transparent;
  padding: .45rem .9rem;
  border-radius: 999px;
  cursor: pointer;
  color: var(--text-soft);
  font-weight: 700;
  transition: transform .12s ease;
}

.media-tabs .tab:hover{
  transform: translateY(-1px);
}

.media-tabs .tab.is-active{
  background: #fff;
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

.media-tabs .tab:focus-visible{
  outline: none;
  box-shadow: var(--ring);
}


/*  >= 640px */
@media (min-width: 640px) {
  .sucursal-card {
    grid-column: span 6;
  }
}

/*  >= 960px */
@media (min-width: 960px) {
  .sucursal-card {
    grid-column: span 4;
  }
}

/* ====== Footer ====== */
footer {
  border-top: 1px solid #e2e8f0;
  background: #fafafa;
  color: var(--text-soft);
  padding: var(--space-6) 0;
  font-size: .95rem;
  text-align: center;
}

/* ====== Utilidades ====== */
.hidden {
  display: none !important;
}

.center {
  text-align: center;
}

/* ====== Preferencias de movimiento (accesibilidad) ====== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ====== Mobile-specific tune ====== */
@media (max-width: 600px) {
  body {
    font-size: clamp(15px, 4vw, 16px);
  }

  header .bar {
    padding: var(--space-3) 0;
  }

  .nav-links ul {
    gap: 14px;
  }
}