/* ===========================================================
   EL PATIO DE LGM — STYLE.CSS
   Hoja de estilos principal. Mobile first.
   Variables organizadas por categoría para facilitar edición.
=========================================================== */

:root {
  /* ---- Paleta ---- */
  --color-white:        #ffffff;
  --color-cream:        #f6f3ec;   /* arena */
  --color-black:        #14140f;
  --color-ink:          #1c1b16;
  --color-gray-light:   #e7e3d8;
  --color-gray-warm:    #a8a196;
  --color-green-dark:   #10241d;
  --color-wood:         #6b5843;
  --color-line:         rgba(20, 20, 15, 0.12);

  /* ---- Tipografía ---- */
  --font-display: "Fraunces", "Century Gothic", "Futura", serif;
  --font-body: "Jost", "Century Gothic", "Futura", "Segoe UI", sans-serif;

  --fs-hero: clamp(2.6rem, 11vw, 7.5rem);
  --fs-h2:   clamp(2rem, 6vw, 3.6rem);
  --fs-lead: clamp(1.2rem, 3.4vw, 1.6rem);
  --fs-body: 1rem;
  --fs-small: 0.82rem;
  --fs-eyebrow: 0.78rem;

  /* ---- Espaciado ---- */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;
  --space-2xl: 11rem;

  /* ---- Layout ---- */
  --container-w: 1180px;
  --radius: 2px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.4s;
  --dur-med: 0.9s;
  --dur-slow: 1.6s;

  --header-h: 64px;
}

/* ---------------------------------------------------------
   RESET
--------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, figure, blockquote, ul, form, input, textarea, button {
  margin: 0; padding: 0;
}
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
input, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }

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

/* ---------------------------------------------------------
   BASE
--------------------------------------------------------- */
body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-ink);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: var(--space-xl);
}

.eyebrow {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-wood);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-h2);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

/* ---------------------------------------------------------
   MÚSICA DE FONDO
--------------------------------------------------------- */
.music-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 200;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(20,20,15,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.music-toggle:hover { transform: translateY(-2px); }

.music-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 16px;
}
.music-bars i {
  display: block;
  width: 3px;
  background: var(--color-white);
  border-radius: 1px;
  animation: musicBar 1s ease-in-out infinite;
}
.music-bars i:nth-child(1) { height: 6px;  animation-delay: 0s; }
.music-bars i:nth-child(2) { height: 14px; animation-delay: 0.2s; }
.music-bars i:nth-child(3) { height: 9px;  animation-delay: 0.4s; }

@keyframes musicBar {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}

/* Cuando está silenciado, las barras se congelan y bajan */
.music-toggle.is-muted .music-bars i {
  animation-play-state: paused;
  transform: scaleY(0.3);
  opacity: 0.6;
}

/* ---------------------------------------------------------
   MENÚ / HEADER
--------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--dur-fast) var(--ease), backdrop-filter var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.site-header.is-scrolled {
  background: rgba(246, 243, 236, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 var(--color-line);
}

.nav {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--color-black);
  z-index: 110;
}
.site-header:not(.is-scrolled) .nav-brand { color: var(--color-white); }
.nav-brand span { font-weight: 300; opacity: 0.75; }

.nav-menu {
  display: flex;
  gap: var(--space-md);
}

.nav-link {
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  color: var(--color-black);
  position: relative;
  padding-block: 0.3rem;
}
.site-header:not(.is-scrolled) .nav-link { color: var(--color-white); }

.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: currentColor;
  transition: width var(--dur-fast) var(--ease);
}
.nav-link:hover::after,
.nav-link:focus-visible::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  z-index: 110;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px; height: 1px;
  background: var(--color-black);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.site-header:not(.is-scrolled) .nav-toggle span { background: var(--color-white); }

/* ---------------------------------------------------------
   HERO
--------------------------------------------------------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  overflow: hidden;
  background: var(--color-black);
}

.hero-media {
  position: absolute;
  inset: 0;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 18%;
  transform: scale(1.06);
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(16,15,10,0.42) 0%, rgba(16,15,10,0.06) 32%, rgba(16,15,10,0.18) 62%, rgba(10,10,8,0.72) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: 0 1.25rem var(--space-xl);
  max-width: 1000px;
}

.hero-eyebrow {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: var(--space-sm);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-hero);
  line-height: 1.02;
  letter-spacing: -0.015em;
}

.hero-sub {
  margin-top: var(--space-md);
  font-size: var(--fs-small);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.9;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 1px; height: 46px;
  background: rgba(255,255,255,0.3);
  overflow: hidden;
}
.hero-scroll span {
  position: absolute;
  top: -100%; left: 0;
  width: 100%; height: 100%;
  background: var(--color-white);
  animation: scrollLine 2.4s var(--ease) infinite;
}
@keyframes scrollLine {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ---------------------------------------------------------
   BIOGRAFÍA
--------------------------------------------------------- */
.bio { background: var(--color-cream); }
.bio-grid {
  display: grid;
  gap: var(--space-md);
}
.bio-text p { margin-bottom: var(--space-sm); color: var(--color-ink); font-size: 1.02rem; }
.bio-text p:last-child { margin-bottom: 0; }

/* ---------------------------------------------------------
   ¿QUÉ ES EL PATIO?
--------------------------------------------------------- */
.elpatio {
  background: var(--color-gray-light);
  text-align: center;
}
.elpatio-inner { max-width: 780px; margin-inline: auto; }
.elpatio .eyebrow { text-align: center; }
.elpatio h2 { margin-bottom: var(--space-md); }
.elpatio-lead {
  font-family: var(--font-display);
  font-size: var(--fs-lead);
  line-height: 1.35;
  color: var(--color-green-dark);
  margin-bottom: var(--space-lg);
}
.elpatio-text p {
  margin-bottom: var(--space-sm);
  color: var(--color-ink);
}
.elpatio-text p:last-child { margin-bottom: 0; }

/* ---------------------------------------------------------
   MANIFIESTO
--------------------------------------------------------- */
.manifiesto {
  background: var(--color-green-dark);
  color: var(--color-cream);
}
.manifiesto .eyebrow { color: var(--color-gray-warm); }
.manifiesto-inner { max-width: 780px; }
.manifiesto-title { margin-bottom: var(--space-md); }
.manifiesto-lead {
  font-family: var(--font-display);
  font-size: var(--fs-lead);
  line-height: 1.35;
  margin-bottom: var(--space-lg);
  opacity: 0.95;
}
.manifiesto-text p {
  margin-bottom: var(--space-sm);
  color: rgba(246,243,236,0.82);
}
.manifiesto-text p:last-child { margin-bottom: 0; }

/* ---------------------------------------------------------
   GALERÍA
--------------------------------------------------------- */
.galeria { background: var(--color-cream); }
.galeria-hint {
  font-size: var(--fs-small);
  color: var(--color-gray-warm);
  margin-top: var(--space-xs);
}

.gallery-grid {
  margin-top: var(--space-lg);
  padding-inline: 1.5rem;
  max-width: var(--container-w);
  margin-inline: auto;
  columns: 1;
  column-gap: 1rem;
}

.gallery-item {
  display: block;
  width: 100%;
  border: none;
  background: none;
  padding: 0;
  margin-bottom: 1rem;
  break-inside: avoid;
  overflow: hidden;
  border-radius: var(--radius);
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: auto;
  filter: grayscale(1) contrast(1.02);
  transform: scale(1.001);
  transition: filter 1.1s var(--ease), transform 1.4s var(--ease);
}

.gallery-item:hover img,
.gallery-item:focus-visible img,
.gallery-item.is-active img {
  filter: grayscale(0) contrast(1.02);
  transform: scale(1.035);
}

/* ---------------------------------------------------------
   LIGHTBOX
--------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(10,10,8,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease), visibility var(--dur-fast);
  padding: 2rem;
}
.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox-img {
  max-width: 100%;
  max-height: 86vh;
  object-fit: contain;
  border-radius: var(--radius);
  transform: scale(0.97);
  transition: transform var(--dur-fast) var(--ease);
}
.lightbox.is-open .lightbox-img { transform: scale(1); }

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  line-height: 1;
  padding: 0.75rem;
  opacity: 0.75;
  transition: opacity var(--dur-fast) var(--ease);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { opacity: 1; }
.lightbox-close { top: 1rem; right: 1rem; font-size: 2.4rem; font-weight: 200; }
.lightbox-prev { left: 0.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 0.5rem; top: 50%; transform: translateY(-50%); }

/* ---------------------------------------------------------
   FORMULARIOS
--------------------------------------------------------- */
.historia { background: var(--color-cream); }
.contacto { background: var(--color-gray-light); }

.historia-grid, .contacto-grid {
  display: grid;
  gap: var(--space-lg);
}

.historia-copy, .contacto-copy {
  margin-top: var(--space-sm);
  color: var(--color-wood);
  font-size: 1.05rem;
}

.form { width: 100%; }

.field {
  margin-bottom: var(--space-md);
  position: relative;
}

.field label {
  display: block;
  font-size: var(--fs-small);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-wood);
  margin-bottom: 0.5rem;
}

.field input,
.field textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--color-line);
  background: transparent;
  padding: 0.65rem 0.1rem;
  font-size: 1rem;
  color: var(--color-ink);
  transition: border-color var(--dur-fast) var(--ease);
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-green-dark);
}

.field.has-error input,
.field.has-error textarea {
  border-color: #a3402f;
}

.field-error {
  display: block;
  min-height: 1.1em;
  font-size: 0.76rem;
  color: #a3402f;
  margin-top: 0.35rem;
}

.hidden-field { position: absolute; left: -9999px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2.2rem;
  border: 1px solid var(--color-black);
  background: var(--color-black);
  color: var(--color-white);
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary:hover {
  background: transparent;
  color: var(--color-black);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-md);
}

.btn-whatsapp {
  margin-top: 0;
  background: var(--color-green-dark);
  border-color: var(--color-green-dark);
  color: var(--color-cream);
}
.btn-whatsapp:hover {
  background: transparent;
  color: var(--color-green-dark);
}

.btn-social {
  padding: 0.95rem 1.6rem;
  background: transparent;
  border-color: var(--color-black);
  color: var(--color-black);
}
.btn-social:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.form-status {
  margin-top: var(--space-sm);
  font-size: var(--fs-small);
  min-height: 1.2em;
}
.form-status.is-success { color: #2f6b4f; }
.form-status.is-error { color: #a3402f; }

/* ---------------------------------------------------------
   FOOTER
--------------------------------------------------------- */
.site-footer {
  background: var(--color-black);
  color: rgba(246,243,236,0.72);
  padding-block: var(--space-lg) var(--space-md);
  text-align: center;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-white);
}
.footer-tag {
  margin-top: 0.5rem;
  font-size: var(--fs-small);
  letter-spacing: 0.06em;
}
.footer-copy {
  margin-top: var(--space-md);
  font-size: 0.76rem;
  opacity: 0.7;
}
.footer-credit {
  margin-top: 0.35rem;
  font-size: 0.76rem;
  opacity: 0.55;
}
.footer-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: var(--space-md);
}
.footer-social a {
  color: rgba(246,243,236,0.72);
  transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.footer-social a:hover {
  color: var(--color-white);
  transform: translateY(-2px);
}
.footer-legal {
  margin-top: var(--space-sm);
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  font-size: 0.76rem;
  opacity: 0.75;
}
.footer-legal a:hover { opacity: 1; text-decoration: underline; }

/* ---------------------------------------------------------
   ACCESIBILIDAD: foco visible
--------------------------------------------------------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-green-dark);
  outline-offset: 3px;
}