/* ==========================================================================
   Vincenzo — Suelos de Madera
   Mobile-first
   ========================================================================== */

:root {
  --granate-900: #36060d;
  --granate: #4a0912;
  --granate-600: #6e1b28;
  --granate-100: #f7ebe9;
  --crema: #f3e6d0;
  --marfil: #faf7f1;
  --madera: #b07d4a;
  --madera-claro: #ddbf94;
  --tinta: #2b1d18;
  --gris: #6f635c;
  --blanco: #ffffff;
  --borde: #e9ddcb;
  --sombra: 0 10px 30px rgba(43, 29, 24, 0.08);
  --fuente-titulos: "Playfair Display", Georgia, serif;
  --fuente-texto: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--fuente-texto);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--marfil);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { font-family: var(--fuente-titulos); line-height: 1.15; margin: 0 0 0.5em; }

a { color: var(--granate-600); }

.container { width: min(1100px, 92%); margin-inline: auto; }

.section { padding: 64px 0; }

/* --- Encabezados de sección ----------------------------------------- */

.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--madera);
  margin-bottom: 10px;
}

.eyebrow::after {
  content: "";
  display: block;
  width: 36px;
  height: 2px;
  background: var(--granate-600);
  margin: 10px auto 0;
}

.section-head h2 { font-size: clamp(1.7rem, 5vw, 2.4rem); color: var(--granate-900); }

.section-head p { color: var(--gris); margin: 0; }

/* --- Botones ---------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--fuente-texto);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s;
}

.btn--primario { background: var(--granate-600); color: var(--crema); }
.btn--primario:hover { background: var(--granate); }

.btn--claro { background: var(--crema); color: var(--granate-900); }
.btn--claro:hover { background: var(--blanco); }

.btn--borde { border-color: var(--crema); color: var(--crema); background: transparent; }
.btn--borde:hover { background: rgba(243, 230, 208, 0.12); }

.btn--borde-oscuro { border-color: var(--granate-600); color: var(--granate-600); background: transparent; }
.btn--borde-oscuro:hover { background: var(--granate-100); }

.btn svg { flex-shrink: 0; }

/* --- Header ------------------------------------------------------------ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--granate-900);
  border-bottom: 1px solid rgba(243, 230, 208, 0.14);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }

.brand img { width: 42px; height: 42px; border-radius: 50%; }

.brand__name {
  font-family: var(--fuente-titulos);
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  color: var(--crema);
}

.brand__tag {
  display: block;
  font-family: var(--fuente-texto);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--madera-claro);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--crema);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--granate-900);
  border-bottom: 1px solid rgba(243, 230, 208, 0.14);
  padding: 8px 4% 24px;
}

.nav.is-open { display: block; }

.nav ul { list-style: none; margin: 0; padding: 0; }

.nav a {
  display: block;
  padding: 13px 4px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--crema);
  border-bottom: 1px solid rgba(243, 230, 208, 0.08);
}

.nav a:hover { color: var(--madera-claro); }

.nav a.is-active { color: var(--madera-claro); }

.nav .nav__cta {
  margin-top: 16px;
  border: 1px solid var(--madera-claro);
  text-align: center;
  color: var(--madera-claro);
}

/* --- Hero --------------------------------------------------------------- */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: min(92svh, 780px);
  padding: 96px 0;
  background:
    linear-gradient(to bottom, rgba(26, 8, 10, 0.82) 0%, rgba(26, 8, 10, 0.55) 55%, rgba(26, 8, 10, 0.75) 100%),
    url("../assets/img/hero.jpg") center / cover no-repeat;
  color: var(--crema);
}

.hero__content { max-width: 620px; }

.hero .eyebrow { color: var(--madera-claro); }
.hero .eyebrow::after { margin-left: 0; background: var(--madera-claro); }

.hero h1 {
  font-size: clamp(2.3rem, 8vw, 4rem);
  font-weight: 600;
  color: var(--blanco);
}

.hero p { font-size: 1.05rem; color: rgba(243, 230, 208, 0.92); max-width: 46ch; }

.hero__acciones { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.hero__zona {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--madera-claro);
}

/* --- Page hero (interiores) ---------------------------------------------- */

.page-hero {
  background: var(--granate-900);
  color: var(--crema);
  text-align: center;
  padding: 72px 0 64px;
}

.page-hero h1 { font-size: clamp(2rem, 7vw, 3rem); color: var(--blanco); }

.page-hero p { color: rgba(243, 230, 208, 0.85); max-width: 560px; margin: 0 auto; }

.page-hero .eyebrow { color: var(--madera-claro); }
.page-hero .eyebrow::after { background: var(--madera-claro); }

/* --- Servicios ------------------------------------------------------------ */

.servicios { background: var(--blanco); }

.servicios__grid { display: grid; gap: 18px; }

.servicio {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 24px;
  background: var(--marfil);
  border: 1px solid var(--borde);
  border-radius: 4px;
}

.servicio__icono {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--granate-100);
  color: var(--granate-600);
}

.servicio h3 {
  font-family: var(--fuente-texto);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--granate-900);
  margin-bottom: 6px;
}

.servicio p { font-size: 0.92rem; color: var(--gris); margin: 0; }

/* --- Por qué elegirnos ----------------------------------------------------- */

.porque { background: var(--granate-900); color: var(--crema); }

.porque .section-head h2 { color: var(--blanco); }

.porque__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 18px; text-align: center; }

.porque__item svg { color: var(--madera-claro); }

.porque__item h3 {
  font-family: var(--fuente-texto);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 12px 0 6px;
}

.porque__item p { font-size: 0.85rem; color: rgba(243, 230, 208, 0.75); margin: 0; }

/* --- Teaser proyectos ------------------------------------------------------- */

.teaser__grid { display: grid; gap: 14px; }

.teaser__item {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

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

.teaser__item:hover img { transform: scale(1.04); }

.teaser__item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 28px 16px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--crema);
  background: linear-gradient(to top, rgba(26, 8, 10, 0.85), transparent);
}

.teaser__cta { text-align: center; margin-top: 32px; }

/* --- Opiniones ---------------------------------------------------------------- */

.opiniones { background: var(--blanco); }

.opiniones__grid { display: grid; gap: 18px; }

.opinion {
  padding: 28px 24px;
  background: var(--marfil);
  border: 1px solid var(--borde);
  border-radius: 4px;
}

.opinion__estrellas { color: var(--madera); letter-spacing: 4px; font-size: 0.95rem; }

.opinion blockquote { margin: 14px 0 18px; font-size: 0.95rem; color: var(--tinta); }

.opinion footer { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; font-weight: 600; color: var(--granate-900); }

.opinion__avatar {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--granate-600);
  color: var(--crema);
  font-family: var(--fuente-titulos);
  font-size: 0.95rem;
}

/* --- Banda CTA ----------------------------------------------------------------- */

.cta-band {
  position: relative;
  padding: 80px 0;
  background:
    linear-gradient(rgba(54, 6, 13, 0.88), rgba(54, 6, 13, 0.88)),
    url("../assets/img/textura-parquet.jpg") center / cover no-repeat;
  color: var(--crema);
  text-align: center;
}

.cta-band h2 { font-size: clamp(1.8rem, 6vw, 2.6rem); color: var(--blanco); }

.cta-band p { max-width: 480px; margin: 0 auto 28px; color: rgba(243, 230, 208, 0.85); }

.cta-band__acciones { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

/* --- Proyectos: comparador antes / después ---------------------------------------- */

.proyectos__grid { display: grid; gap: 36px; }

.proyecto {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--sombra);
}

.ba { position: relative; margin: 0; aspect-ratio: 4 / 3; overflow: hidden; user-select: none; }

.ba img { width: 100%; height: 100%; object-fit: cover; }

.ba__despues {
  position: absolute;
  inset: 0;
  clip-path: inset(0 0 0 var(--pos, 50%));
}

.ba__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  -webkit-appearance: none;
  appearance: none;
}

.ba__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos, 50%);
  width: 2px;
  background: var(--crema);
  transform: translateX(-50%);
  pointer-events: none;
}

.ba__handle::after {
  content: "↔";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--crema);
  color: var(--granate-900);
  font-size: 1.1rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.ba__tag {
  position: absolute;
  top: 12px;
  padding: 4px 10px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crema);
  background: rgba(26, 8, 10, 0.72);
  border-radius: 2px;
  pointer-events: none;
}

.ba__tag--antes { left: 12px; }
.ba__tag--despues { right: 12px; }

.proyecto__body { padding: 24px; }

.proyecto__chip {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--granate-600);
  background: var(--granate-100);
  border-radius: 999px;
  margin-bottom: 12px;
}

.proyecto__body h3 { font-size: 1.3rem; color: var(--granate-900); }

.proyecto__body p { font-size: 0.95rem; color: var(--gris); margin: 0 0 10px; }

.proyecto__lugar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--madera);
}

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

.contacto__grid { display: grid; gap: 16px; }

.contacto-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px;
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 4px;
  text-decoration: none;
  color: var(--tinta);
  transition: border-color 0.25s, transform 0.25s;
}

a.contacto-card:hover { border-color: var(--granate-600); transform: translateY(-2px); }

.contacto-card__icono {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--granate-100);
  color: var(--granate-600);
}

.contacto-card h3 {
  font-family: var(--fuente-texto);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gris);
  margin: 0 0 2px;
}

.contacto-card strong { font-size: 1.02rem; color: var(--granate-900); }

.contacto-card small { display: block; color: var(--gris); }

/* Formulario */

.form-wrap {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 4px;
  padding: 28px 24px;
}

.form-wrap h2 { font-size: 1.5rem; color: var(--granate-900); }

.form-wrap > p { color: var(--gris); font-size: 0.95rem; }

.campo { margin-bottom: 18px; }

.campo label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--granate-900);
  margin-bottom: 6px;
}

.campo input,
.campo select,
.campo textarea {
  width: 100%;
  padding: 13px 14px;
  font-family: var(--fuente-texto);
  font-size: 1rem;
  color: var(--tinta);
  background: var(--marfil);
  border: 1px solid var(--borde);
  border-radius: 3px;
}

.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: 2px solid var(--granate-600);
  outline-offset: 1px;
}

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

.form-nota { font-size: 0.8rem; color: var(--gris); margin-top: 14px; }

.mapa {
  border: 1px solid var(--borde);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 18px;
}

.mapa iframe { display: block; width: 100%; height: 320px; border: 0; }

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

.footer { background: #1d1411; color: rgba(243, 230, 208, 0.78); font-size: 0.9rem; }

.footer__main { display: grid; gap: 32px; padding: 56px 0 40px; }

.footer__brand img { width: 72px; height: 72px; border-radius: 50%; margin-bottom: 14px; }

.footer__brand p { margin: 0; max-width: 30ch; }

.footer h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--madera-claro);
  margin: 0 0 14px;
}

.footer ul { list-style: none; margin: 0; padding: 0; }

.footer li { margin-bottom: 9px; }

.footer a { color: rgba(243, 230, 208, 0.78); text-decoration: none; }

.footer a:hover { color: var(--crema); }

.footer__bottom {
  border-top: 1px solid rgba(243, 230, 208, 0.12);
  padding: 20px 0;
  font-size: 0.78rem;
  text-align: center;
  color: rgba(243, 230, 208, 0.5);
}

/* --- WhatsApp flotante -------------------------------------------------------------------- */

.whatsapp-flotante {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
  transition: transform 0.25s;
}

.whatsapp-flotante:hover { transform: scale(1.08); }

/* --- Animación de entrada ------------------------------------------------------------------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }

.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .teaser__item img { transition: none; }
}

/* ==========================================================================
   Tablet y escritorio
   ========================================================================== */

@media (min-width: 600px) {
  .servicios__grid { grid-template-columns: 1fr 1fr; }
  .teaser__grid { grid-template-columns: 1fr 1fr 1fr; }
  .contacto__grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 820px) {
  .section { padding: 96px 0; }
  .opiniones__grid { grid-template-columns: 1fr 1fr 1fr; }
  .porque__grid { grid-template-columns: repeat(4, 1fr); }
  .proyectos__grid { grid-template-columns: 1fr 1fr; }
  .footer__main { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
  .contacto__layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 28px; align-items: start; }
}

@media (min-width: 980px) {
  .nav-toggle { display: none; }

  .nav {
    display: flex;
    position: static;
    background: none;
    border: 0;
    padding: 0;
  }

  .nav ul { display: flex; align-items: center; gap: 6px; }

  .nav a {
    padding: 8px 14px;
    font-size: 0.78rem;
    border-bottom: 0;
  }

  .nav .nav__cta { margin: 0 0 0 12px; padding: 10px 20px; }

  .servicios__grid { grid-template-columns: 1fr 1fr 1fr; }
}