/* =========================================================================
   styles.css
   Landing page "Muebles Garo" — muebles de diseño a medida para salón, cocina y dormitorio
   Paleta: blanco roto + negro mate + tonos madera + acento dorado
   Los colores generales se controlan desde las variables de :root
   ========================================================================= */

/* ---------- 1. Variables globales (paleta y tipografía) ---------- */
:root {
  /* Colores */
  --color-bg: #faf7f2; /* blanco roto */
  --color-bg-alt: #f1ebe1; /* blanco roto, un tono más oscuro */
  --color-text: #211d1a; /* negro mate */
  --color-text-soft: #5c5550;
  --color-wood: #8a5a3b; /* madera media */
  --color-wood-dark: #5c3a24; /* madera oscura */
  --color-black: #17140f; /* negro mate profundo */
  --color-gold: #b8873c; /* dorado (uso decorativo: fondos, bordes, iconos) */
  --color-gold-light: #d9b477;
  --color-gold-text: #8a6420; /* dorado oscurecido: cumple 4.5:1 en texto pequeño sobre fondo claro */
  --color-sage: #8a9a80; /* verde salvia, acento secundario */
  --color-white: #ffffff;
  --color-border: #e3dacb;

  /* Tipografía */
  --font-heading: "Playfair Display", Georgia, serif;
  --font-body: "Jost", "Segoe UI", sans-serif;

  /* Espaciados y layout */
  --max-width: 1180px;
  --radius: 10px;
  --transition: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow-soft: 0 10px 30px rgba(23, 20, 15, 0.08);
  --shadow-strong: 0 20px 45px rgba(23, 20, 15, 0.18);
}

/* ---------- 2. Reset básico ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px; /* compensa el header fijo al hacer scroll a anclas */
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-black);
}

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.container--narrow {
  max-width: 820px;
}

/* ---------- 3. Utilidades ---------- */
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold-text);
  font-weight: 500;
  margin-bottom: 10px;
}

.section-heading {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  margin-bottom: 14px;
}

.section-heading__desc {
  color: var(--color-text-soft);
}

section {
  padding: 96px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: var(--color-wood-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 16px 34px;
  font-size: 1rem;
}

/* Animación de aparición al hacer scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 4. Header / navegación ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.is-scrolled,
.header--solid {
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-white);
  transition: color var(--transition);
}

.header.is-scrolled .logo,
.header--solid .logo {
  color: var(--color-black);
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-black);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo--light {
  color: var(--color-white);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__list {
  display: flex;
  gap: 28px;
}

.nav__link {
  font-size: 0.92rem;
  color: var(--color-white);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.header.is-scrolled .nav__link,
.header--solid .nav__link {
  color: var(--color-text);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__cta {
  padding: 10px 22px;
  font-size: 0.88rem;
}

.header:not(.is-scrolled) .nav__cta {
  background: var(--color-gold);
  color: var(--color-black);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.header.is-scrolled .nav-toggle span,
.header--solid .nav-toggle span {
  background: var(--color-black);
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--color-white);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 20, 15, 0.55) 0%, rgba(23, 20, 15, 0.45) 45%, rgba(23, 20, 15, 0.8) 100%);
}

.hero__content {
  padding-top: 90px;
  max-width: 720px;
}

.hero__title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  color: var(--color-white);
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.1rem;
  max-width: 540px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.88);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero__actions .btn--primary {
  background: var(--color-gold);
  color: var(--color-black);
}

.hero__actions .btn--primary:hover {
  background: var(--color-gold-light);
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
}

.hero__scroll span {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  border-radius: 999px;
  background: var(--color-white);
  animation: scrollDot 1.8s ease infinite;
}

@keyframes scrollDot {
  0% { opacity: 1; top: 8px; }
  70% { opacity: 0; top: 20px; }
  100% { opacity: 0; top: 8px; }
}

/* ---------- 6. Sobre nosotros ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.about__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-strong);
  aspect-ratio: 4 / 5;
}

.about__content h2 {
  margin-bottom: 18px;
}

.about__content > p {
  color: var(--color-text-soft);
  margin-bottom: 32px;
}

.values {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 44px;
}

.values__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.values__icon {
  color: var(--color-gold);
  font-size: 1.1rem;
  margin-top: 4px;
}

.values__item h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.values__item p {
  color: var(--color-text-soft);
  font-size: 0.95rem;
}

/* ---------- 7. Servicios ---------- */
.services {
  background: var(--color-bg-alt);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-soft);
  border-color: var(--color-gold-light);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-wood-dark);
  margin-bottom: 20px;
  transition: background var(--transition), color var(--transition);
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card:hover .service-card__icon {
  background: var(--color-gold);
  color: var(--color-black);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--color-text-soft);
  font-size: 0.95rem;
}

/* ---------- 8. Proceso ---------- */
.process__list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.process__step {
  position: relative;
  padding-top: 20px;
  border-top: 2px solid var(--color-border);
}

.process__step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-gold);
}

.process__number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.process__step h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.process__step p {
  color: var(--color-text-soft);
  font-size: 0.92rem;
}

/* ---------- 9. Galería ---------- */
.gallery {
  background: var(--color-bg-alt);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 1 / 1;
}

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

.gallery__item::after {
  content: "\2026";
  color: transparent;
}

.gallery__item:hover img {
  transform: scale(1.08);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 13, 10, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition);
  z-index: 200;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__img {
  max-width: min(88vw, 900px);
  max-height: 82vh;
  border-radius: 6px;
  box-shadow: var(--shadow-strong);
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  color: var(--color-white);
  font-size: 1.6rem;
  padding: 10px 16px;
  transition: opacity var(--transition);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  opacity: 0.6;
}

.lightbox__close {
  top: 20px;
  right: 24px;
}

.lightbox__prev {
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
}

/* ---------- 10. FAQ / Acordeón ---------- */
.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px;
  text-align: left;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--color-black);
}

.accordion__icon {
  flex-shrink: 0;
  font-size: 1.4rem;
  color: var(--color-gold);
  transition: transform var(--transition);
}

.accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(45deg);
}

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition);
}

.accordion__item.is-open .accordion__panel {
  grid-template-rows: 1fr;
}

.accordion__panel > div {
  overflow: hidden;
  min-height: 0;
}

.accordion__panel p {
  color: var(--color-text-soft);
  padding-bottom: 22px;
  max-width: 640px;
}

/* ---------- 11. Formulario de presupuesto ---------- */
.budget {
  background: var(--color-black);
  color: var(--color-white);
}

.budget .eyebrow {
  color: var(--color-gold-light);
}

.budget h2 {
  color: var(--color-white);
}

.budget .section-heading__desc {
  color: rgba(255, 255, 255, 0.7);
}

.budget-form {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 40px;
}

.budget-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 24px;
  margin-bottom: 28px;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  display: block;
  font-size: 0.86rem;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.85);
}

.form-field input[type="text"],
.form-field input[type="tel"],
.form-field input[type="email"],
.form-field input[type="number"],
.form-field input[type="date"],
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-white);
  transition: border-color var(--transition), background var(--transition);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  background: rgba(255, 255, 255, 0.09);
}

.form-field select option {
  color: var(--color-text);
}

.form-field.has-error input,
.form-field.has-error select {
  border-color: #d9695f;
}

.form-error {
  display: block;
  min-height: 18px;
  font-size: 0.78rem;
  color: #e79a92;
  margin-top: 6px;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
}

.checkbox input {
  margin-top: 3px;
  accent-color: var(--color-gold);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.checkbox a {
  color: var(--color-gold-light);
  text-decoration: underline;
}

.budget-estimate {
  background: rgba(184, 135, 60, 0.12);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 24px;
  text-align: center;
}

.budget-estimate__label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold-light);
  margin-bottom: 8px;
}

.budget-estimate__range {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-white);
  margin-bottom: 8px;
}

.budget-estimate__note {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 480px;
  margin-inline: auto;
}

.budget-form__submit {
  width: 100%;
}

.budget .btn--primary {
  background: var(--color-gold);
  color: var(--color-black);
}

.budget .btn--primary:hover {
  background: var(--color-gold-light);
}

.budget-success {
  margin-top: 20px;
  padding: 18px 20px;
  background: rgba(138, 154, 128, 0.18);
  border: 1px solid var(--color-sage);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.94rem;
}

/* ---------- 12. Footer ---------- */
.footer {
  background: var(--color-wood-dark);
  color: rgba(255, 255, 255, 0.85);
  padding-top: 72px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.footer__brand p {
  margin: 14px 0 18px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer__social {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
}

.footer__social a {
  transition: color var(--transition);
}

.footer__social a:hover {
  color: var(--color-gold-light);
}

.footer__col h3 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer__col p,
.footer__col li {
  font-size: 0.9rem;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.75);
}

.footer__col a:hover {
  color: var(--color-gold-light);
}

.footer__bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- 13. Páginas legales (Aviso legal / Política de privacidad) ---------- */
.legal-hero {
  padding-top: 176px;
  padding-bottom: 24px;
}

.legal-hero h1 {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  margin-bottom: 12px;
}

.legal-back {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 0.88rem;
  color: var(--color-wood-dark);
  transition: color var(--transition);
}

.legal-back:hover {
  color: var(--color-gold-text);
}

.legal-updated {
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

.legal-content {
  padding-top: 0;
}

.prose h2 {
  font-size: 1.3rem;
  margin-top: 40px;
  margin-bottom: 14px;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p,
.prose li {
  color: var(--color-text-soft);
  font-size: 0.98rem;
  margin-bottom: 14px;
}

.prose ul {
  list-style: disc;
  padding-left: 22px;
}

.prose li {
  margin-bottom: 8px;
}

.prose strong {
  color: var(--color-black);
  font-weight: 600;
}

.prose a {
  color: var(--color-wood-dark);
  text-decoration: underline;
}

.prose a:hover {
  color: var(--color-gold-text);
}

/* =========================================================================
   14. Responsive
   ========================================================================= */
@media (max-width: 980px) {
  .about__grid {
    grid-template-columns: 1fr;
  }

  .about__media {
    max-width: 420px;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__list {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 40px;
  }

  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 760px) {
  section {
    padding: 72px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: 0 0 0 30%;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 36px;
    background: var(--color-black);
    padding: 40px 32px;
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    gap: 22px;
  }

  .nav__link {
    color: var(--color-white);
    font-size: 1.1rem;
  }

  .header.is-scrolled .nav__link {
    color: var(--color-white);
  }

  .nav-toggle {
    position: relative;
  }

  .nav-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-toggle.is-active span {
    background: var(--color-white);
  }

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

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .budget-form__grid {
    grid-template-columns: 1fr;
  }

  .budget-form {
    padding: 28px 22px;
  }

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

@media (max-width: 480px) {
  .services__grid {
    grid-template-columns: 1fr;
  }

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

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
}