/* =============================================================
   EL PARADERO ANTIOQUEÑO – Menú Web
   styles.css
   ============================================================= */

/* ---------- Tokens ---------- */
:root {
  /* ── Paleta cálida Paradero Antioqueño ── */
  --clr-bg:           #FFF3E0;   /* beige / crema */
  --clr-surface:      #FFF8F0;   /* superficie ligeramente más clara */
  --clr-primary:      #8B1E1E;   /* rojo oscuro */
  --clr-primary-lt:   #A52A2A;   /* rojo mediano hover */
  --clr-gold:         #D97706;   /* naranja cálido */
  --clr-gold-lt:      #F4C430;   /* amarillo suave */
  --clr-dark:         #4E342E;   /* café oscuro (texto/nav) */
  --clr-mid:          #6D4C41;   /* café medio */
  --clr-text:         #4E342E;   /* café oscuro principal */
  --clr-text-light:   #795548;   /* café suave secundario */
  --clr-white:        #ffffff;

  --ff-display:  'Playfair Display', Georgia, serif;
  --ff-body:     'Inter', system-ui, sans-serif;

  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   28px;
  --radius-full: 999px;

  --shadow-soft: 0 4px 24px rgba(78,52,46,.12);
  --shadow-card: 0 8px 40px rgba(78,52,46,.18);
  --shadow-btn:  0 4px 16px rgba(139,30,30,.35);

  --trans-base:  .3s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;

  /* Textura de fondo suave – degradado crema a amarillo cálido */
  background:
    radial-gradient(ellipse at 20% 10%, rgba(244,196,48,.20) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 90%, rgba(139,30,30,.12) 0%, transparent 55%),
    linear-gradient(160deg, #FFF3E0 0%, #FFE0B2 50%, #FFECB3 100%);
}

/* Patrón de textura sutil */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(217,119,6,.05) 40px,
      rgba(217,119,6,.05) 41px
    );
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(255,248,240,.8) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(1rem, 3vw, 1.8rem);
  padding: clamp(2rem, 6vw, 4rem) clamp(1.5rem, 5vw, 3rem);
  max-width: 640px;
  width: 100%;
}

/* ---------- Logo ---------- */
.logo-wrap {
  width: clamp(110px, 22vw, 180px);
  height: clamp(110px, 22vw, 180px);
  border-radius: 50%;
  background: var(--clr-white);
  box-shadow: var(--shadow-card), 0 0 0 6px rgba(201,148,59,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  animation: floatIn .9s var(--trans-base) both;
}

.logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
}

.logo-fallback {
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: clamp(3.5rem, 9vw, 6rem);
}

/* ---------- Typography ---------- */
.title {
  font-family: var(--ff-display);
  font-size: clamp(1.7rem, 5.5vw, 3rem);
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1.15;
  letter-spacing: .5px;
  animation: slideUp .7s .15s var(--trans-base) both;
  text-shadow: 0 2px 8px rgba(139,58,31,.12);
}

.subtitle {
  font-size: clamp(.85rem, 2.2vw, 1.05rem);
  color: var(--clr-text-light);
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  animation: slideUp .7s .25s var(--trans-base) both;
}

/* ---------- Divider decorativo ---------- */
.hero__content::after {
  content: '✦ ✦ ✦';
  font-size: .7rem;
  letter-spacing: 6px;
  color: var(--clr-gold);
  animation: slideUp .7s .3s var(--trans-base) both;
}

/* ---------- Botones ---------- */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  animation: slideUp .7s .35s var(--trans-base) both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--ff-body);
  font-size: clamp(.85rem, 2.4vw, 1rem);
  font-weight: 600;
  letter-spacing: .5px;
  padding: clamp(.75rem, 2.5vw, 1rem) clamp(1.5rem, 4vw, 2.2rem);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: transform var(--trans-base), box-shadow var(--trans-base), background var(--trans-base), opacity var(--trans-base);
  min-width: 190px;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Ripple layer */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.15);
  opacity: 0;
  transition: opacity .2s;
}
.btn:hover::after  { opacity: 1; }
.btn:active::after { opacity: .3; }

.btn--primary {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-lt) 100%);
  color: var(--clr-white);
  box-shadow: var(--shadow-btn);
}
.btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 28px rgba(139,58,31,.45);
}

.btn--secondary {
  background: linear-gradient(135deg, var(--clr-gold) 0%, #C06000 100%);
  color: var(--clr-white);
  box-shadow: 0 4px 16px rgba(217,119,6,.4);
}
.btn--secondary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 28px rgba(217,119,6,.5);
  background: linear-gradient(135deg, #C06000 0%, var(--clr-gold) 100%);
}

.btn:active { transform: translateY(0) scale(.98); }

.btn__icon { font-size: 1.2rem; }

.btn--back {
  background: rgba(255,255,255,.75);
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: .85rem;
  min-width: auto;
  padding: .5rem 1.2rem;
  backdrop-filter: blur(8px);
  box-shadow: none;
}
.btn--back:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-2px);
}

/* ============================================================
   VIEWER SECTION
   ============================================================ */
.viewer-section {
  position: fixed;
  inset: 0;
  z-index: 100;
  width: 100%;
  height: 100%;
  height: 100dvh;          /* cubre toda la pantalla incluyendo barra del navegador */
  display: flex;
  flex-direction: column;
  overflow: hidden;         /* evita scroll inesperado del contenedor */
  background: #F5F0EB;
  animation: fadeIn .4s var(--trans-base) both;
}

.viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 1.5rem;
  background: linear-gradient(90deg, var(--clr-dark) 0%, var(--clr-primary) 100%);
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(0,0,0,.4);
}

.viewer-header__inner {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex: 1 1 0;       /* el inner toma el espacio disponible y puede ceder */
  min-width: 0;      /* permite que los hijos se encojan */
  overflow: hidden;
}

.viewer-header__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
  background: var(--clr-white);
  padding: 3px;
  flex-shrink: 0;
}

.viewer-header__title {
  font-family: var(--ff-display);
  font-size: clamp(.9rem, 2.5vw, 1.1rem);
  font-weight: 600;
  color: var(--clr-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 1;    /* el título se encoge con «…» antes de ocultar el badge */
  min-width: 0;      /* necesario para que text-overflow funcione en flex */
}

.viewer-header__lang {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--clr-gold-lt);
  border: 1px solid var(--clr-gold);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  white-space: nowrap;
  flex-shrink: 0;    /* el badge de idioma NUNCA se recorta */
}


/* ---------- Loader ---------- */
.loader-wrap {
  position: absolute;
  inset: 60px 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: #F5F0EB;   /* neutro cálido, sin distraer del PDF */
  z-index: 5;
  transition: opacity .4s;
}

.loader__spinner {
  width: 52px;
  height: 52px;
  border: 4px solid rgba(217,119,6,.2);
  border-top-color: var(--clr-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loader__text {
  font-size: .9rem;
  color: var(--clr-primary);
  letter-spacing: 1px;
}

/* ---------- iFrame ---------- */
.pdf-viewer {
  flex: 1 1 0;              /* ocupa TODO el espacio restante del flex column */
  width: 100%;
  min-height: 0;            /* necesario en Firefox para que flex+height funcione */
  height: 100%;             /* fuerza altura completa dentro del flex */
  border: none;
  background: #ffffff;
  display: block;
  overflow: auto;           /* scroll propio del iframe en móvil */
  -webkit-overflow-scrolling: touch; /* scroll suave en iOS */
}

/* ============================================================
   ANIMACIONES
   ============================================================ */
@keyframes floatIn {
  from { opacity: 0; transform: scale(.85) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 480px) {
  .btn-group { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 300px; }

  .viewer-header {
    padding: .5rem .75rem;
    gap: .5rem;
  }
  .viewer-header__title { font-size: .8rem; }
  .viewer-header__logo  { width: 32px; height: 32px; }

  /* Solo ícono de volver en móvil para ahorrar espacio */
  .btn-back__text { display: none; }
  .btn--back {
    padding: 0;
    width: 36px;
    height: 36px;
    min-width: auto;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .btn-back__icon {
    font-size: 1.2rem;
    line-height: 1;
    margin-right: 2px; /* compensar visualmente la flecha */
  }

  /* En móvil el loader también debe ajustarse al header reducido */
  .loader-wrap { inset: 54px 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}