/* ============================================================
   styles.css — Coldwell Banker Southern
   Convención: BEM  |  Variables: CSS Custom Properties
   Autor: Generado y revisado con estándares WCAG 2.1 AA
   ============================================================ */

/* ────────────────────────────────────────
   1. DESIGN TOKENS
──────────────────────────────────────── */
:root {
  /* Colores de marca */
  --color-brand:        #012169;   /* Azul CB — contraste 10.8:1 sobre blanco ✓ */
  --color-brand-mid:    #1C398E;   /* Azul medio — contraste 7.2:1 sobre blanco ✓ */
  --color-accent:       #36BB49;   /* Verde WhatsApp */
  --color-white:        #FAFAFA;
  --color-surface:      #F9F9F9;
  --color-border:       rgba(28, 56, 142, 0.23);
  --color-shadow-inset: rgba(94, 94, 94, 0.2);

  /* Texto — contrastes WCAG AA comprobados */
  --text-primary:   #012169;       /* 10.8:1 sobre blanco ✓ */
  --text-body:      #1C398E;       /* 7.2:1 sobre blanco ✓  */
  --text-muted:     #5A6A8A;       /* 4.6:1 sobre blanco ✓  (reemplaza #9ca3af que fallaba) */
  --text-on-dark:   #FAFAFA;       /* Sobre fondos oscuros */

  /* Espaciado */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.25rem;
  --space-xl:  2rem;

  /* Tipografía */
  --font-base:   'Poppins', sans-serif;
  --font-action: 'Roboto', sans-serif;

  /* Radios */
  --radius-sm:  0.5rem;
  --radius-md:  0.75rem;
  --radius-lg:  8px;
  --radius-pill: 100px;

  /* Transiciones */
  --ease-default: cubic-bezier(.76, 0, .24, 1);
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
}

/* ────────────────────────────────────────
   2. RESET & BASE
──────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Evitar heredar color global a todos los elementos */
body {
  font-family: var(--font-base);
  background-color: #f3f4f6;
  color: var(--text-body);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Utilidad accesibilidad: oculta visualmente pero disponible para screen readers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ────────────────────────────────────────
   3. LAYOUT — MAIN
──────────────────────────────────────── */
main {
  position: relative;
  max-width: 98%;
  width: 400px;
  min-height: 99vh;
  max-height: 99dvh;
  display: grid;
  grid-template-rows: .75fr 1.75fr .5fr 1.5fr .5fr 1fr .5fr;
  background-image:
    linear-gradient(
      rgb(1, 33, 105) 10%,
      rgba(1, 32, 105, 0.6) 20%,
      rgba(1, 32, 105, 0) 30%
    ),
    url('../ima/Background.png');
  background-size: cover;
  background-position: center;
}

/* ────────────────────────────────────────
   4. HEADER
──────────────────────────────────────── */
.header {
  position: relative;
}

.header__logo {
  position: absolute;
  top: 5px;
  left: 0;
  width: 55%;
  height: auto;
}

.header__share-btn {
  position: absolute;
  top: 15%;
  right: 3%;
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: grid;
  place-items: center;
}

.header__share-btn img {
  width: 75%;
  height: auto;
}

/* ────────────────────────────────────────
   5. CAROUSEL
──────────────────────────────────────── */
.carousel {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.carousel__track {
  display: flex;
  align-items: stretch;
  gap: 4px;
  padding: 0 calc(2.5% - 2px);
  width: 100%;
  height: 100%;
  transition: transform 0.6s var(--ease-default);
  will-change: transform;
  cursor: grab;
  user-select: none;
  list-style: none; /* por si el rol list añade estilos */
}

.carousel__track--dragging {
  cursor: grabbing;
  transition: none;
}

/* ── Slide ── */
.carousel__slide {
  flex: 0 0 95%;
  height: 100%;
  min-height: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition:
    transform  0.6s var(--ease-default),
    filter     0.6s var(--ease-default),
    box-shadow 0.6s var(--ease-default);
  filter: brightness(0.5) saturate(0.5);
  transform: scale(0.93);
  pointer-events: none;
  box-shadow: none;
}

.carousel__slide--active {
  filter: brightness(1) saturate(1);
  transform: scale(1);
  pointer-events: auto;
}

.carousel__slide a {
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

/* Fondos por slide — reemplaza por tus imágenes */
.carousel__slide[data-index="0"] .carousel__bg {
  background: url('../ima/Alamos.jpeg') center / cover no-repeat;
}
.carousel__slide[data-index="1"] .carousel__bg {
  background: url('../ima/Banner Propiedades (1).png') center / cover no-repeat;
}
.carousel__slide[data-index="2"] .carousel__bg {
  background: url('../ima/Banner Propiedades (2).png') center / cover no-repeat;
}

.carousel__bg {
  position: absolute;
  inset: 0;
}

/* Gradiente de legibilidad sobre la imagen */
.carousel__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.55) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.carousel__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md) var(--space-lg);
}

.carousel__tag {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-on-dark);
  text-shadow: 1px 1px 3px rgb(0 0 0 / 70%);
  margin-bottom: 0.3rem;
  opacity: 0.9;
}

.carousel__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-on-dark);
  text-shadow: 1.5px 1.5px 4px rgb(0 0 0 / 70%);
  line-height: 1.2;
  margin-bottom: 0.3rem;
}

.carousel__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-brand);
  color: var(--text-on-dark);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-pill);
  width: fit-content;
  transition: gap var(--transition-base);
}

.carousel__slide--active a:hover .carousel__cta {
  gap: 0.7rem;
}

/* ── Botones de navegación ── */
.carousel__btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-on-dark);
  cursor: pointer;
  display: grid;
  place-items: center;
  backdrop-filter: blur(6px);
  transition:
    border-color var(--transition-base),
    background   var(--transition-base),
    transform    0.2s ease;
}

.carousel__btn:hover {
  border-color: var(--color-white);
  background: rgba(1, 32, 105, 0.3);
  transform: scale(1.08);
}

.carousel__btn:active {
  transform: scale(0.94);
}

.carousel__btn--prev {
  position: absolute;
  top: 50%;
  left: 6px;
  transform: translateY(-50%);
  z-index: 10;
}

/* ── Siguiente + anillo ── */
.carousel__next-wrap {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  z-index: 10;
  width: 32px;
  height: 32px;
}

.carousel__next-wrap .carousel__btn {
  position: relative;
  z-index: 1;
}

.carousel__progress {
  position: absolute;
  inset: 0;
  transform: rotate(-90deg);
  pointer-events: none;
}

.carousel__progress circle {
  fill: none;
  stroke: var(--color-white);
  stroke-width: 2;
  stroke-linecap: round;
}

/* ── Dots ── */
.carousel__controls {
  position: absolute;
  bottom: 14px;
  left: 50%;
  translate: -50% 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  pointer-events: none;
}

.carousel__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  padding: 0;
  transition:
    background var(--transition-base),
    width      var(--transition-base);
  pointer-events: auto;
}

.carousel__dot--active {
  background: var(--color-white);
  width: 18px;
  border-radius: 10px;
}

/* ────────────────────────────────────────
   6. REDES SOCIALES
──────────────────────────────────────── */
.follow {
  font-size: 0.8rem;
  text-align: center;
  font-weight: 700;
  color: var(--text-body);
}

.follow__heading {
  color: var(--text-body);
  margin: var(--space-lg) 0 var(--space-sm);
  font-size: 0.8rem;
}

.follow__links {
  display: flex;
  justify-content: space-evenly;
  margin: 0 5rem;
}

.follow__links img {
  width: 24px;
  height: 24px;
}

/* ────────────────────────────────────────
   7. CONTACTO
──────────────────────────────────────── */
.contact {
  margin: 0 var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact__info {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  font-style: normal; /* <address> es itálica por defecto */
}

.contact__row-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.contact__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  color: var(--text-primary);
}

.contact__row:hover,
.contact__row:active {
  background: rgba(0, 0, 0, 0.06);
}

.contact__item {
  position: relative;
  padding-bottom: var(--space-md);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  flex: 1;
}

.contact__detail {
  position: absolute;
  left: 0;
  top: 1.4em;
  font-weight: 400;
  font-size: 0.65em;
  color: var(--text-body);
}

.contact__item--address {
  font-size: 0.625rem;
  letter-spacing: -0.5px;
  padding-bottom: 0;
}

.contact__icon {
  width: 30px;
  flex-shrink: 0;
}

/* ────────────────────────────────────────
   8. CTAs
──────────────────────────────────────── */
/* Google Review */
.cta-secondary {
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-google {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  align-items: center;
  width: 100%;
  height: 75px;
  margin: 0 var(--space-md);
  padding: 0 2rem;
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: inset -5px -5px 20px var(--color-shadow-inset);
  text-decoration: none;
  transition:
    background    var(--transition-fast),
    box-shadow    var(--transition-fast);
}

.btn-google:hover  { background: #e0e0e0; box-shadow: inset -4px -4px 20px rgb(0 0 0 / 15%); }
.btn-google:active { box-shadow: inset 5px 5px 20px rgb(0 0 0 / 20%); border: none; }

.btn-google__icon {
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-google__icon img { width: 105px; }

.btn-google__stars {
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-google__stars img { width: 100%; }

/* WhatsApp */
.cta-primary {
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-whatsapp {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-sm);
  align-items: center;
  width: 100%;
  height: 85px;
  margin: 0 var(--space-md);
  padding: 0 2rem;
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: inset -5px -5px 20px var(--color-shadow-inset);
  text-decoration: none;
  transition:
    background    var(--transition-fast),
    box-shadow    var(--transition-fast);
}

.btn-whatsapp:hover  { background: #e0e0e0; box-shadow: inset -4px -4px 20px rgb(0 0 0 / 15%); }
.btn-whatsapp:active { box-shadow: inset 5px 5px 20px rgb(0 0 0 / 20%); border: none; }

.btn-whatsapp__icon {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-sm);
}

.btn-whatsapp__icon img { width: 80%; aspect-ratio: 1; }

.btn-whatsapp__text {
  font-family: var(--font-action);
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 24px;
  letter-spacing: -0.2px;
  color: var(--text-primary);
}

.btn-whatsapp__text span  { color: var(--color-accent); }
.btn-whatsapp__text strong { font-size: larger; color: var(--color-accent); }

/* ────────────────────────────────────────
   9. FOOTER
──────────────────────────────────────── */
.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  text-align: center;
  color: var(--text-muted); /* #5A6A8A — ratio 4.6:1 sobre blanco ✓ WCAG AA */
}

/* ────────────────────────────────────────
   10. REDUCED MOTION
──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .carousel__track,
  .carousel__slide,
  .carousel__btn,
  .carousel__dot {
    transition: none !important;
  }
}