/* Solance — hoja de estilos.
   TODO lo que cambia con la identidad (colores, fuentes, espacios) está
   en :root. Paleta y tipografías actuales son PROVISIONALES (aceite +
   tierra + piedra + negro) hasta recibir la paleta real del cliente. */

:root {
  /* Paleta */
  --c-fondo: #f4f1ea;        /* piedra */
  --c-fondo-alt: #e9e4d8;
  --c-texto: #1a1a17;        /* casi negro */
  --c-texto-suave: #5b5a52;
  --c-acento: #6b6b1f;       /* aceite (oscurecido para contraste AA con texto blanco) */
  --c-acento-texto: #ffffff;
  --c-oscuro: #14140f;
  --c-linea: #d6d0c1;

  /* Tipografía */
  --f-titulo: Georgia, 'Times New Roman', serif;
  --f-texto: system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Espacios y forma */
  --espacio-seccion: clamp(4rem, 10vw, 9rem);
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --ancho-max: 1200px;
  --radio: 2px;
  --header-h: 68px;

  /* Movimiento */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body { margin: 0; font-family: var(--f-texto); color: var(--c-texto); background: var(--c-fondo); line-height: 1.6; }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, blockquote { font-family: var(--f-titulo); font-weight: 400; line-height: 1.15; margin: 0 0 1rem; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }

/* Botones */
.btn { display: inline-block; padding: .9rem 1.8rem; background: var(--c-acento); color: var(--c-acento-texto); text-decoration: none; text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; border: 1px solid var(--c-acento); border-radius: var(--radio); cursor: pointer; font-family: inherit; transition: opacity .2s; }
.btn:hover { opacity: .85; }
.btn-sm { padding: .6rem 1.1rem; }
.btn-ghost { background: transparent; color: var(--c-texto); border-color: var(--c-texto); }

/* Header */
.site-header { position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 50; display: flex; align-items: center; gap: 2rem; padding: 0 var(--gutter); background: color-mix(in srgb, var(--c-fondo) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--c-linea); }
.logo { text-decoration: none; letter-spacing: .3em; font-family: var(--f-titulo); font-size: 1.2rem; margin-right: auto; }
.logo img { height: 32px; }
.main-nav ul { list-style: none; display: flex; gap: 2rem; margin: 0; padding: 0; }
.main-nav a { text-decoration: none; text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; position: relative; cursor: pointer; }
.nav-toggle span { position: absolute; left: 8px; right: 8px; height: 2px; background: var(--c-texto); }
.nav-toggle span:first-child { top: 15px; } .nav-toggle span:last-child { top: 23px; }

/* Hero */
.hero { position: relative; min-height: 100svh; display: grid; place-items: end start; padding: calc(var(--header-h) + 2rem) var(--gutter) 5rem; background: var(--c-oscuro); color: #fff; overflow: hidden; }
.hero-media, .hero-media video, .hero-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgb(0 0 0 / .65), transparent 60%); }
.hero-content { position: relative; z-index: 1; max-width: var(--ancho-max); }
.hero-title { font-size: clamp(3.5rem, 12vw, 9rem); letter-spacing: .12em; margin: 0; }
.hero-lema { font-family: var(--f-titulo); font-style: italic; font-size: clamp(1.1rem, 2.5vw, 1.6rem); margin: 0 0 1.5rem; }
.hero-sub { text-transform: uppercase; letter-spacing: .15em; font-size: .8rem; margin: 0 0 2rem; }

/* Secciones */
.section { padding: var(--espacio-seccion) var(--gutter); max-width: calc(var(--ancho-max) + 2 * var(--gutter)); margin: 0 auto; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

.media { background: var(--c-fondo-alt); aspect-ratio: 4 / 3; overflow: hidden; }
.media img, .media video { width: 100%; height: 100%; object-fit: cover; }
.media.placeholder { display: grid; place-items: center; color: var(--c-texto-suave); font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; border: 1px dashed var(--c-linea); }
.media-tall { aspect-ratio: 3 / 4; } .media-wide { aspect-ratio: 21 / 9; }
.eyebrow { text-transform: uppercase; letter-spacing: .3em; font-size: .75rem; color: var(--c-acento); }

/* Historia y producto: dos columnas */
.historia, .producto { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.historia blockquote { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
.caracteristicas { list-style: none; padding: 0; margin: 1.5rem 0; }
.caracteristicas li { padding: .6rem 0; border-bottom: 1px solid var(--c-linea); }
.perfil h3 { font-size: 1.1rem; margin-top: 2rem; }
.perfil-fila { display: flex; justify-content: space-between; padding: .4rem 0; }
.dots { display: inline-flex; gap: .35rem; }
.dots i { width: .7rem; height: .7rem; border-radius: 50%; border: 1px solid var(--c-texto); }
.dots i.on { background: var(--c-texto); }

/* Proceso */
.pasos { list-style: none; padding: 0; margin: 3rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.paso .media { aspect-ratio: 3 / 4; margin: .5rem 0 1rem; }
.paso-num { font-family: var(--f-titulo); color: var(--c-acento); }
.paso h3 { font-size: 1.2rem; margin: 0; } .paso p { margin: .25rem 0 0; color: var(--c-texto-suave); }

/* Marca */
.marca-bloque { text-align: center; }
.marca-bloque blockquote { font-size: clamp(1.6rem, 4vw, 3rem); margin: 2.5rem auto 1rem; max-width: 22ch; }
.marca-bloque p { color: var(--c-texto-suave); }

/* Reserva */
.reserva { background: var(--c-oscuro); color: #fff; max-width: none; }
.reserva > * { max-width: 720px; margin-left: auto; margin-right: auto; }
.reserva-intro { color: #cfcabb; }
.campos { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 2rem 0 1rem; }
.campos label { display: grid; gap: .3rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; }
.campos input, .campos select { padding: .8rem; font: inherit; background: transparent; color: #fff; border: 1px solid #55523f; border-radius: var(--radio); }
.campos select option { color: var(--c-texto); background: #fff; }
.campos select:invalid, .campos select:has(option[value=""]:checked) { color: #a9a493; }
.check { display: flex; gap: .6rem; margin: 1rem 0 1.5rem; font-size: .9rem; }
.hp { position: absolute; left: -9999px; }
.form-estado { min-height: 1.5em; margin-top: 1rem; }
.reserva-nota { font-size: .85rem; color: #a9a493; }

/* FAQ */
.faq { max-width: 800px; }
.faq details { border-bottom: 1px solid var(--c-linea); padding: 1rem 0; }
.faq summary { cursor: pointer; font-family: var(--f-titulo); font-size: 1.2rem; }
.faq details p { color: var(--c-texto-suave); margin: .75rem 0 0; }

/* Footer */
.site-footer { display: grid; grid-template-columns: 1fr auto auto; gap: 1.5rem 3rem; align-items: start; padding: 3rem var(--gutter); background: var(--c-oscuro); color: #cfcabb; border-top: 1px solid #2b2a20; }
.site-footer p { margin: 0; }
.footer-nombre { letter-spacing: .3em; color: #fff; font-family: var(--f-titulo); }
.footer-links { display: grid; gap: .3rem; }
.footer-legales { grid-column: 1 / -1; list-style: none; display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; padding: 0; margin: 1rem 0 0; font-size: .8rem; }

/* CTA fijo móvil */
.cta-fijo { display: none; }

@media (max-width: 800px) {
  .site-header .btn-sm { display: none; }
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--c-fondo); border-bottom: 1px solid var(--c-linea); padding: 1rem var(--gutter); display: none; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 1rem; }
  .historia, .producto { grid-template-columns: 1fr; }
  .pasos { grid-template-columns: 1fr 1fr; }
  .campos { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; }
  .cta-fijo { display: block; position: fixed; left: var(--gutter); right: var(--gutter); bottom: 1rem; z-index: 40; text-align: center; box-shadow: 0 4px 16px rgb(0 0 0 / .3); }
  body { padding-bottom: 5rem; }
}