/* ===========================================================
   RADIO ANDINA 100.1 FM — Hoja de estilos principal
   Diseño pensado para ser muy fácil de leer y de usar,
   especialmente para personas mayores.
   =========================================================== */

/* -------- 1. Variables de diseño -------- */
:root{
  /* Paleta — inspirada en el altiplano, el desierto de Arica y los textiles andinos */
  --color-bg:        #FBF6EC; /* arena cálida */
  --color-bg-alt:    #F2E6CC; /* arena más oscura, para secciones */
  --color-card:      #FFFFFF;
  --color-ink:       #2B2118; /* texto principal, casi negro cálido */
  --color-ink-soft:  #5A4C3D; /* texto secundario */
  --color-primary:   #A8341E; /* rojo terracota — botones, acentos fuertes */
  --color-primary-d: #802512; /* rojo terracota oscuro — hover */
  --color-secondary: #1C5C66; /* azul-verde andino — header, footer, enlaces */
  --color-secondary-d:#123F47;
  --color-gold:      #C8901F; /* dorado — “EN VIVO”, detalles */
  --color-line:      #E2D3AE; /* líneas finas */
  --color-focus:     #0B5FFF; /* foco de teclado, alto contraste */

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Atkinson Hyperlegible", Arial, Helvetica, sans-serif;

  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 6px 18px rgba(43,33,24,0.10);
  --shadow-soft: 0 2px 8px rgba(43,33,24,0.08);

  --max-width: 1180px;

  /* Escala de tamaño de fuente ajustable por el usuario (botones A- A A+) */
  --font-scale: 1;
}

/* -------- 2. Reinicio básico -------- */
*,*::before,*::after{ box-sizing: border-box; }
html{
  scroll-behavior: smooth;
  font-size: calc(18px * var(--font-scale)); /* base grande, ajustable */
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
body{
  margin:0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: var(--color-secondary); text-decoration: underline; text-decoration-thickness: 1.5px; }
a:hover{ color: var(--color-primary); }
h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--color-secondary-d);
  line-height: 1.15;
  margin: 0 0 .5em;
  font-weight: 600;
}
h1{ font-size: clamp(2.1rem, 4vw, 3.4rem); }
h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3{ font-size: 1.4rem; }
p{ margin:0 0 1em; }
ul{ margin:0; padding:0; }
li{ list-style:none; }
button{ font-family: var(--font-body); cursor:pointer; }

/* Foco de teclado bien visible — importante para accesibilidad */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible{
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Enlace "saltar al contenido" para lectores de pantalla / teclado */
.skip-link{
  position:absolute; left:-999px; top:0;
  background: var(--color-primary); color:#fff;
  padding: 12px 20px; border-radius: 0 0 10px 0;
  font-weight: 700; z-index: 999;
}
.skip-link:focus{ left:0; }

.container{
  width:100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section{ padding: 64px 0; }
.section--alt{ background: var(--color-bg-alt); }
.section-head{
  text-align:center;
  max-width: 720px;
  margin: 0 auto 40px;
}
.section-head .eyebrow{
  display:inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-size: 0.95rem;
  margin-bottom: 10px;
}
.section-head p{ color: var(--color-ink-soft); font-size:1.1rem; }

/* -------- 3. Franja textil decorativa (motivo andino, dibujado solo con CSS) -------- */
.textile-strip{
  height: 14px;
  background-image: repeating-linear-gradient(
    -45deg,
    var(--color-primary) 0px, var(--color-primary) 10px,
    var(--color-gold) 10px, var(--color-gold) 20px,
    var(--color-secondary) 20px, var(--color-secondary) 30px
  );
}

/* Chakana (cruz andina) usada como viñeta / divisor de sección */
.chakana{
  width: 34px; height:34px;
  margin: 0 auto 18px;
  display:block;
  color: var(--color-primary);
}

/* -------- 4. Botón "saltar tamaño de letra" -------- */
.text-size-controls{
  display:flex; align-items:center; gap:6px;
}
.text-size-controls button{
  background: var(--color-bg-alt);
  border: 2px solid var(--color-line);
  color: var(--color-secondary-d);
  font-weight:700;
  border-radius: 10px;
  width: 40px; height:40px;
  font-size: 0.95rem;
  line-height:1;
}
.text-size-controls button:hover{ background:#fff; border-color: var(--color-secondary); }
.text-size-controls span{
  font-size: .8rem; color: var(--color-ink-soft); padding: 0 4px;
}

/* -------- 5. Encabezado -------- */
.site-header{
  position: sticky; top:0; z-index: 500;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}
.header-top{
  display:flex; align-items:center; justify-content:space-between;
  gap: 20px; padding: 14px 0;
}
.brand{
  display:flex; align-items:center; gap:14px;
  text-decoration:none;
}
.brand-mark{
  width:56px; height:56px; border-radius:50%;
  background: var(--color-primary);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-weight:700; font-size:1rem;
  flex-shrink:0;
  box-shadow: var(--shadow-soft);
}
.brand-text .brand-name{
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight:700; color: var(--color-secondary-d);
  line-height:1.1;
}
.brand-text .brand-freq{
  font-size: .95rem; font-weight:700; color: var(--color-primary);
  letter-spacing:.03em;
}

.header-actions{ display:flex; align-items:center; gap:18px; }

.nav-toggle{
  display:none;
  background: var(--color-secondary);
  color:#fff; border:none; border-radius: 10px;
  width:50px; height:50px;
  align-items:center; justify-content:center;
}
.nav-toggle svg{ width:26px; height:26px; }

.main-nav ul{
  display:flex; gap: 6px;
  flex-wrap: wrap;
}
.main-nav a{
  display:block;
  padding: 12px 16px;
  font-weight:700;
  text-decoration:none;
  color: var(--color-secondary-d);
  border-radius: 10px;
  font-size: 1.02rem;
}
.main-nav a:hover{ background: var(--color-bg-alt); color: var(--color-primary); }
.main-nav a[aria-current="page"]{
  background: var(--color-secondary);
  color:#fff;
}

/* -------- 6. Barra del reproductor en vivo -------- */
.live-bar{
  background: var(--color-secondary);
  color:#fff;
}
.live-bar-inner{
  display:flex; align-items:center; gap:18px;
  padding: 14px 0;
  flex-wrap: wrap;
}
.live-badge{
  display:flex; align-items:center; gap:8px;
  background: rgba(255,255,255,0.12);
  padding: 6px 14px; border-radius: 999px;
  font-weight:700; font-size:.92rem; letter-spacing:.04em;
  white-space:nowrap;
}
.live-dot{
  width:10px; height:10px; border-radius:50%;
  background: #FF5A4E;
  box-shadow: 0 0 0 0 rgba(255,90,78,0.7);
  animation: pulse 1.8s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(255,90,78,0.6); }
  70%{ box-shadow: 0 0 0 9px rgba(255,90,78,0); }
  100%{ box-shadow: 0 0 0 0 rgba(255,90,78,0); }
}
.live-info{ flex: 1 1 220px; min-width:0; }
.live-info .now-label{ font-size:.82rem; opacity:.8; }
.live-info .now-title{ font-weight:700; font-size:1.05rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

.player-controls{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.play-btn{
  width:54px; height:54px; border-radius:50%;
  background: var(--color-primary);
  border: none; color:#fff;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  box-shadow: var(--shadow-soft);
  transition: transform .15s ease, background .15s ease;
}
.play-btn:hover{ background: var(--color-primary-d); transform: scale(1.05); }
.play-btn svg{ width:24px; height:24px; }

.volume-control{ display:flex; align-items:center; gap:8px; }
.volume-control svg{ width:22px; height:22px; opacity:.85; }
.volume-control input[type="range"]{
  width: 100px; accent-color: var(--color-gold);
}
.player-hint{ font-size:.85rem; opacity:.85; }

/* -------- 7. Hero -------- */
.hero{
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #F6E9CC 0%, var(--color-bg) 100%);
  padding: 72px 0 56px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-weight:700; color: var(--color-primary);
  letter-spacing:.06em; text-transform:uppercase;
  font-size:.95rem; margin-bottom: 14px;
}
.hero h1{ margin-bottom: 16px; }
.hero h1 .accent{ color: var(--color-primary); }
.hero-lead{
  font-size: 1.2rem; color: var(--color-ink-soft); max-width: 540px;
}
.hero-cta{
  display:flex; gap:16px; flex-wrap:wrap; margin-top: 28px;
}

.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 16px 26px;
  border-radius: 999px;
  font-weight:700; font-size: 1.05rem;
  text-decoration:none;
  border: 2px solid transparent;
  transition: transform .12s ease, background .15s ease, color .15s ease;
}
.btn svg{ width:22px; height:22px; }
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--color-primary); color:#fff; }
.btn-primary:hover{ background: var(--color-primary-d); color:#fff; }
.btn-outline{
  background: transparent; border-color: var(--color-secondary);
  color: var(--color-secondary-d);
}
.btn-outline:hover{ background: var(--color-secondary); color:#fff; }
.btn-light{ background:#fff; color: var(--color-secondary-d); }
.btn-light:hover{ background: var(--color-bg-alt); }
.btn-block{ width:100%; justify-content:center; }

.hero-art{
  position:relative;
  aspect-ratio: 1/1;
  display:flex; align-items:center; justify-content:center;
}
.hero-art svg{ width:100%; height:100%; }

.hero-stats{
  display:flex; gap: 28px; margin-top: 36px; flex-wrap:wrap;
}
.hero-stats div strong{
  display:block; font-family: var(--font-display); font-size:1.9rem;
  color: var(--color-secondary-d);
}
.hero-stats div span{ color: var(--color-ink-soft); font-size:.95rem; }

/* -------- 8. Tarjetas de noticias / contenido -------- */
.card-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card{
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow:hidden;
  display:flex; flex-direction:column;
  border: 1px solid var(--color-line);
}
.card-media{
  aspect-ratio: 16/10;
  display:flex; align-items:center; justify-content:center;
  color:#fff;
}
.card-body{ padding: 24px; flex:1; display:flex; flex-direction:column; }
.card-tag{
  font-size:.8rem; font-weight:700; text-transform:uppercase; letter-spacing:.05em;
  color: var(--color-primary); margin-bottom:8px;
}
.card-body h3{ margin-bottom: 10px; }
.card-body p{ color: var(--color-ink-soft); flex:1; }
.card-link{
  font-weight:700; text-decoration:none; display:inline-flex; align-items:center; gap:6px;
}
.card-link svg{ width:18px; height:18px; }

/* -------- 9. Programación (horario) -------- */
.schedule-list{ display:flex; flex-direction:column; gap:14px; }
.schedule-list[hidden]{ display:none; }
.schedule-row{
  display:flex; align-items:center; gap:20px;
  background: var(--color-card);
  border:1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  flex-wrap:wrap;
}
.schedule-row.is-now{
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(168,52,30,0.12);
}
.schedule-time{
  font-family: var(--font-display); font-weight:700; font-size:1.2rem;
  color: var(--color-secondary-d);
  min-width: 130px;
}
.schedule-info{ flex:1 1 240px; }
.schedule-info h3{ margin-bottom:2px; font-size:1.15rem; }
.schedule-info p{ margin:0; color: var(--color-ink-soft); font-size:.98rem; }
.schedule-now-pill{
  background: var(--color-primary); color:#fff;
  font-size:.78rem; font-weight:700; padding:5px 12px; border-radius:999px;
  white-space:nowrap;
}

.day-tabs{
  display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 30px;
  justify-content:center;
}
.day-tabs button{
  border: 2px solid var(--color-line);
  background:#fff; color: var(--color-ink);
  padding: 10px 18px; border-radius: 999px; font-weight:700;
}
.day-tabs button[aria-selected="true"]{
  background: var(--color-secondary); color:#fff; border-color: var(--color-secondary);
}

/* -------- 10. Galería -------- */
.gallery-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item{
  border-radius: var(--radius-md);
  overflow:hidden;
  aspect-ratio: 4/3;
  position:relative;
  border:1px solid var(--color-line);
}
.gallery-item img{ width:100%; height:100%; object-fit:cover; }
.gallery-cap{
  position:absolute; left:0; right:0; bottom:0;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.65));
  color:#fff; padding: 28px 16px 12px; font-weight:700; font-size:.95rem;
}

/* -------- 11. Bloque "Quiénes somos" con motivo -------- */
.about-block{
  display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items:center;
}
.about-figure{
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  display:flex; align-items:center; justify-content:center;
  color:#fff;
}
.about-figure svg{ width:55%; }
.value-list{ display:grid; gap:18px; margin-top: 22px; }
.value-item{ display:flex; gap:16px; align-items:flex-start; }
.value-icon{
  width:48px; height:48px; border-radius:12px; flex-shrink:0;
  background: var(--color-bg-alt); color: var(--color-primary);
  display:flex; align-items:center; justify-content:center;
}
.value-icon svg{ width:26px; height:26px; }
.value-item h3{ font-size:1.15rem; margin-bottom:4px; }
.value-item p{ margin:0; color: var(--color-ink-soft); }

/* -------- 12. Contacto -------- */
.contact-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.contact-card{
  background:#fff; border:1px solid var(--color-line); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow-card);
}
.contact-list{ display:grid; gap: 22px; }
.contact-list li{
  display:flex; gap:16px; align-items:flex-start;
  font-size: 1.08rem;
}
.contact-list .icon{
  width:48px; height:48px; border-radius:50%; flex-shrink:0;
  background: var(--color-bg-alt); color: var(--color-secondary);
  display:flex; align-items:center; justify-content:center;
}
.contact-list .icon svg{ width:24px; height:24px; }
.contact-list a{ font-weight:700; }
.contact-list strong{ display:block; font-size:.85rem; text-transform:uppercase; letter-spacing:.04em; color: var(--color-ink-soft); font-weight:700; margin-bottom:2px; }

.contact-form{ display:grid; gap: 18px; }
.field label{ display:block; font-weight:700; margin-bottom:6px; }
.field input, .field textarea{
  width:100%; padding: 14px 16px; border-radius: 10px;
  border: 2px solid var(--color-line); font-family: var(--font-body); font-size: 1rem;
  background: var(--color-bg);
}
.field textarea{ min-height:130px; resize:vertical; }
.field input:focus, .field textarea:focus{ border-color: var(--color-secondary); outline:none; }

.map-wrap{
  border-radius: var(--radius-lg); overflow:hidden; border:1px solid var(--color-line);
  margin-top: 26px;
}
.map-wrap iframe{ width:100%; height: 320px; border:0; display:block; }

/* -------- 13. Botón flotante de WhatsApp -------- */
.whatsapp-float{
  position: fixed; bottom: 26px; right: 26px; z-index: 600;
  width:64px; height:64px; border-radius:50%;
  background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 8px 20px rgba(0,0,0,.25);
  text-decoration:none;
}
.whatsapp-float svg{ width:32px; height:32px; }
.whatsapp-float:hover{ background:#1ebe5b; }

/* Botón "volver arriba" */
.back-to-top{
  position: fixed; bottom: 26px; left: 26px; z-index: 600;
  width:54px; height:54px; border-radius:50%;
  background: var(--color-secondary); color:#fff; border:none;
  display:none; align-items:center; justify-content:center;
  box-shadow: 0 8px 20px rgba(0,0,0,.2);
}
.back-to-top.show{ display:flex; }
.back-to-top svg{ width:24px; height:24px; }

/* -------- 14. Pie de página -------- */
.site-footer{
  background: var(--color-secondary-d);
  color: #F2E6CC;
  padding-top: 56px;
}
.footer-grid{
  display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.footer-grid h4{ color:#fff; font-size:1.1rem; margin-bottom:16px; }
.footer-about p{ color: #D8C9A6; max-width: 360px; }
.footer-grid a{ color:#F2E6CC; text-decoration:none; }
.footer-grid a:hover{ color:#fff; text-decoration:underline; }
.footer-links li{ margin-bottom:10px; font-size:1.02rem; }
.footer-social{ display:flex; gap:12px; margin-top:14px; }
.footer-social a{
  width:42px; height:42px; border-radius:50%;
  background: rgba(255,255,255,.12);
  display:flex; align-items:center; justify-content:center;
}
.footer-social a:hover{ background: var(--color-primary); }
.footer-social svg{ width:20px; height:20px; }
.footer-bottom{
  display:flex; justify-content:space-between; gap: 12px; flex-wrap:wrap;
  padding: 20px 0 28px; font-size:.9rem; color:#D8C9A6;
}
.footer-bottom a{ color:#D8C9A6; }

/* -------- 15. Utilidades -------- */
.visually-hidden{
  position:absolute !important; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap;
}
.text-center{ text-align:center; }

/* -------- 16. Responsive -------- */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-art{ max-width: 320px; margin: 0 auto; }
  .about-block{ grid-template-columns: 1fr; }
  .about-figure{ max-width:320px; margin: 0 auto; aspect-ratio: 1/1; }
  .card-grid{ grid-template-columns: repeat(2, 1fr); }
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .nav-toggle{ display:flex; }
  .main-nav{
    position:fixed; inset: 0 0 0 auto; width: min(320px, 84vw);
    background:#fff; padding: 100px 26px 26px; overflow-y:auto;
    transform: translateX(100%); transition: transform .25s ease;
    box-shadow: -10px 0 30px rgba(0,0,0,.2);
  }
  .main-nav.is-open{ transform: translateX(0); }
  .main-nav ul{ flex-direction:column; gap:4px; }
  .main-nav a{ padding: 16px; font-size:1.15rem; }
  .nav-backdrop{
    display:none; position:fixed; inset:0; background: rgba(0,0,0,.4); z-index:400;
  }
  .nav-backdrop.show{ display:block; }
  .header-top{ padding: 12px 0; }
  .brand-text .brand-name{ font-size:1.2rem; }
  .live-bar-inner{ justify-content:center; }
  .player-hint{ display:none; }
  .card-grid{ grid-template-columns: 1fr; }
  .gallery-grid{ grid-template-columns: repeat(2,1fr); }
  .footer-grid{ grid-template-columns: 1fr; gap: 30px; }
  .section{ padding: 48px 0; }
}

@media (max-width: 480px){
  .gallery-grid{ grid-template-columns: 1fr; }
  .hero{ padding: 48px 0 40px; }
  .whatsapp-float{ width:56px; height:56px; bottom:18px; right:18px; }
  .back-to-top{ width:48px; height:48px; bottom:18px; left:18px; }

  .header-top{ gap:8px; }
  .brand{ gap:8px; min-width:0; }
  .brand-mark{ width:42px; height:42px; font-size:.8rem; flex-shrink:0; }
  .brand-text{ min-width:0; }
  .brand-text .brand-name{ font-size:1.05rem; white-space:nowrap; }
  .brand-text .brand-freq{ font-size:.78rem; white-space:nowrap; }
  .header-actions{ gap:8px; flex-shrink:0; }
  .text-size-controls{ gap:4px; }
  .text-size-controls button{ width:32px; height:32px; font-size:.8rem; }
  .nav-toggle{ width:42px; height:42px; }
  .nav-toggle svg{ width:22px; height:22px; }
}