/* ==========================================================
   MI CANCIÓN PARA FIDEL — hoja de estilos
   Paleta: noche andina + papel de archivo + ocre salteño + vino memoria
   ========================================================== */

:root {
  --noche: #141d29;
  --noche-2: #1c2735;
  --papel: #ece3cd;
  --papel-2: #e2d6b8;
  --ocre: #b3762f;
  --ocre-claro: #d19a52;
  --vino: #6c2230;
  --carbon: #1c1815;
  --niebla: #9aa6b2;
  --blanco: #faf7ef;

  --display: "Fraunces", "Iowan Old Style", serif;
  --cuerpo: "Source Serif 4", Georgia, serif;
  --maquina: "Space Mono", "Courier New", monospace;

  --max-w: 1100px;
  --radio: 2px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--blanco);
  color: var(--carbon);
  font-family: var(--cuerpo);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.envoltorio {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Tipografía ---------- */

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.eyebrow {
  font-family: var(--maquina);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ocre);
}

/* ---------- Foco de accesibilidad ---------- */

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--ocre-claro);
  outline-offset: 3px;
}

/* ---------- Navegación ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 28px;
  background: linear-gradient(180deg, rgba(10,14,20,0.75), rgba(10,14,20,0));
  color: var(--papel);
  transition: padding 0.3s ease, background 0.3s ease, backdrop-filter 0.3s ease;
}

.nav--solida {
  padding: 14px 28px;
  background: rgba(15, 21, 30, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav__titulo {
  font-family: var(--display);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--papel);
  text-decoration: none;
}

.nav__links {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--maquina);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav__links a {
  text-decoration: none;
  color: var(--niebla);
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: color 0.2s, border-color 0.2s;
}

.nav__links a:hover { color: var(--ocre-claro); border-color: var(--ocre-claro); }

.nav__burger {
  display: none;
  background: none;
  border: 1px solid var(--niebla);
  color: var(--papel);
  padding: 8px 10px;
  font-family: var(--maquina);
  cursor: pointer;
}

@media (max-width: 780px) {
  .nav__links {
    position: fixed;
    top: 58px; right: 0;
    background: var(--noche);
    flex-direction: column;
    gap: 0;
    width: 220px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav__links.abierto { max-height: 400px; }
  .nav__links a { display: block; padding: 14px 24px; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .nav__burger { display: block; }
}

/* ---------- Héroe: video a pantalla completa (estilo cine) ---------- */

.hero-video {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--noche);
  color: var(--papel);
  overflow: hidden;
  padding: 140px 24px 90px;
}

.hero-video__fondo {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(179,118,47,0.18), transparent 60%),
    radial-gradient(ellipse 90% 70% at 50% 100%, var(--noche-2), var(--noche) 75%);
  z-index: 0;
}

.hero-video__contenido {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 980px;
}

.hero__eyebrow {
  font-family: var(--maquina);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ocre-claro);
  margin-bottom: 16px;
}

.hero-video h1 {
  font-size: clamp(2.3rem, 6vw, 4.4rem);
  font-style: italic;
  font-weight: 500;
  line-height: 1.04;
  color: var(--blanco);
}

.hero__sub {
  margin-top: 18px;
  max-width: 52ch;
  font-size: 1.08rem;
  color: var(--niebla);
}

.hero-video__marco {
  position: relative;
  width: 100%;
  max-width: 860px;
  margin-top: 44px;
  aspect-ratio: 16 / 9;
  background: #000;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(250,247,239,0.08);
}

.hero-video__marco iframe {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
}

.hero-video__caption {
  margin-top: 18px;
  font-family: var(--maquina);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--niebla);
}

.hero__scroll {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--maquina);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--niebla);
  z-index: 1;
}

/* ---------- Franja de historia + línea de tiempo compacta ---------- */

.historia--franja { padding: 70px 0; }

.historia--franja .lugar {
  font-family: var(--maquina);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vino);
  margin-bottom: 14px;
}

.historia--franja p#historiaTexto {
  font-size: 1.1rem;
  line-height: 1.75;
  max-width: 70ch;
}

.tiempo-mini {
  margin-top: 22px;
  font-family: var(--maquina);
  font-size: 0.82rem;
  color: var(--ocre);
}

.tiempo-mini__item strong { color: var(--vino); }
.tiempo-mini__sep { margin: 0 10px; color: var(--niebla); }

/* ---------- Secciones genéricas ---------- */

section { padding: 110px 0; }

.seccion--oscura { background: var(--noche); color: var(--papel); }
.seccion--papel { background: var(--papel); }

.titulo-seccion {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 44px;
}

.titulo-seccion__num {
  font-family: var(--maquina);
  font-size: 0.85rem;
  color: var(--ocre);
}

.titulo-seccion h2 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-style: italic;
}

.intro-texto {
  max-width: 62ch;
  font-size: 1.08rem;
  color: inherit;
  opacity: 0.92;
}

/* ---------- Historia ---------- */

.historia__cuerpo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.historia p {
  font-size: 1.18rem;
  line-height: 1.8;
  max-width: 68ch;
}

.historia .lugar {
  font-family: var(--maquina);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vino);
  border-left: 2px solid var(--vino);
  padding-left: 12px;
  margin-bottom: 24px;
}

/* ---------- Línea de tiempo (elemento distintivo) ---------- */

.tiempo {
  position: relative;
  padding-top: 20px;
}

.tiempo__pauta {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: -6px;
}

.tiempo__lista {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  margin-top: 10px;
}

.tiempo__item { border-top: 1px solid rgba(250,247,239,0.25); padding-top: 18px; }

.tiempo__marca {
  font-family: var(--maquina);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ocre-claro);
  display: block;
  margin-bottom: 8px;
}

.tiempo__lugar {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--blanco);
}

.tiempo__texto { color: var(--niebla); font-size: 0.98rem; }

@media (max-width: 780px) {
  .tiempo__lista { grid-template-columns: 1fr; gap: 26px; }
}

/* ---------- Videos ---------- */

.videos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 34px;
}

.video-card { background: var(--carbon); }

.video-card__marco {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #000;
  overflow: hidden;
}

.video-card__marco iframe {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;
}

.video-card__vacio {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--maquina);
  font-size: 0.75rem;
  color: var(--niebla);
  text-align: center;
  padding: 20px;
}

.video-card__titulo {
  font-family: var(--cuerpo);
  font-style: italic;
  font-size: 1.05rem;
  padding: 16px 4px 4px;
  color: var(--papel);
}

/* ---------- Galería ---------- */

.galeria__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  grid-auto-rows: auto;
  gap: 20px;
}

.galeria__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--papel-2);
  cursor: zoom-in;
}

.galeria__item--horizontal {
  aspect-ratio: 16 / 10;
  grid-column: span 2;
}

@media (max-width: 560px) {
  .galeria__item--horizontal { grid-column: span 1; }
}

.galeria__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}

.galeria__item:hover img { transform: scale(1.05); }

.galeria__caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 10px 12px;
  background: linear-gradient(0deg, rgba(20,29,41,0.85), transparent);
  color: var(--blanco);
  font-size: 0.8rem;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.galeria__item:hover .galeria__caption { opacity: 1; }

.lightbox {
  position: fixed; inset: 0;
  background: rgba(12, 16, 22, 0.94);
  display: none;
  align-items: center; justify-content: center;
  z-index: 100;
  padding: 40px;
  flex-direction: column;
}

.lightbox.abierto { display: flex; }

.lightbox img { max-height: 78vh; max-width: 90vw; object-fit: contain; }

.lightbox__caption { color: var(--papel); font-family: var(--maquina); font-size: 0.85rem; margin-top: 16px; text-align: center; }

.lightbox__cerrar {
  position: absolute; top: 24px; right: 28px;
  background: none; border: 1px solid var(--niebla); color: var(--papel);
  font-family: var(--maquina); padding: 8px 14px; cursor: pointer;
}

/* ---------- Cartas ---------- */

.cartas__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.carta {
  background: var(--blanco);
  border: 1px solid var(--papel-2);
  padding: 40px 36px;
  box-shadow: 0 1px 0 var(--papel-2);
}

.carta__etiqueta {
  font-family: var(--maquina);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vino);
  margin-bottom: 18px;
}

.carta__texto {
  font-family: var(--maquina);
  font-size: 0.94rem;
  line-height: 1.85;
  white-space: pre-line;
  color: var(--carbon);
}

.carta__autor {
  margin-top: 26px;
  font-family: var(--display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--vino);
}

/* ---------- Ficha técnica ---------- */

.ficha__lista { list-style: none; margin: 0; padding: 0; max-width: 640px; }

.ficha__lista li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--papel-2);
  font-size: 1rem;
}

.ficha__etiqueta {
  font-family: var(--maquina);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ocre);
  min-width: 140px;
}

.ficha__lista--compacta {
  margin-top: 34px;
  max-width: 440px;
  border-top: 1px solid rgba(250,247,239,0.15);
}

.ficha__lista--compacta li {
  border-bottom: 1px solid rgba(250,247,239,0.15);
  font-size: 0.92rem;
  color: var(--papel);
  padding: 11px 0;
}

.ficha__lista--compacta .ficha__etiqueta { color: var(--ocre-claro); min-width: 120px; }

/* ---------- Contacto ---------- */

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

@media (max-width: 780px) {
  .contacto__grid { grid-template-columns: 1fr; }
}

.form { display: flex; flex-direction: column; gap: 18px; }

.form label {
  font-family: var(--maquina);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ocre-claro);
  margin-bottom: 6px;
  display: block;
}

.form input, .form textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(250,247,239,0.35);
  color: var(--papel);
  font-family: var(--cuerpo);
  font-size: 1rem;
  padding: 10px 2px;
}

.form input::placeholder, .form textarea::placeholder { color: rgba(250,247,239,0.35); }

.form textarea { resize: vertical; min-height: 120px; }

.form button {
  align-self: flex-start;
  margin-top: 10px;
  background: var(--ocre-claro);
  color: var(--carbon);
  border: none;
  font-family: var(--maquina);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  cursor: pointer;
  transition: background 0.2s;
}

.form button:hover { background: var(--papel); }

.form__aviso {
  font-family: var(--maquina);
  font-size: 0.8rem;
  margin-top: 6px;
  color: var(--ocre-claro);
}

.contacto__directo { font-size: 1rem; color: var(--niebla); }

.contacto__directo a { color: var(--ocre-claro); text-decoration: none; border-bottom: 1px solid var(--ocre-claro); }

/* ---------- Footer ---------- */

footer {
  background: var(--carbon);
  color: var(--niebla);
  padding: 40px 0;
  font-family: var(--maquina);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

footer .envoltorio {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

footer a { color: var(--niebla); text-decoration: none; }
footer a:hover { color: var(--ocre-claro); }

/* ---------- Utilidades de aparición ---------- */

.aparece {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.aparece.visible { opacity: 1; transform: translateY(0); }