/* ==========================================================================
   Maderas y Triplay Península — Hoja de estilos
   Paleta y tipografía según el Sistema de marca (v2 · sept 2026)
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;

  --background: #efe6d6;      /* canvas cálido */
  --foreground: #231a12;      /* Tinta · nunca negro puro */
  --card: #fbf6ec;            /* Papel */
  --primary: #b64420;         /* Terracota */
  --primary-hover: #a23c1b;
  --primary-fg: #fbf6ec;
  --secondary: #073b3f;       /* Petróleo */
  --secondary-fg: #f3ebdc;
  --muted: #e7dcc6;           /* Arena claro */
  --muted-fg: #8a7560;        /* Café humo */
  --accent: #e3ab5f;          /* Madera */
  --border: #e4d6bf;
  --ring: #b64420;

  --font-body: "Maven Pro", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-heading: "Montserrat", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --container: 72rem;
  --header-offset: 6rem;
}

/* ---------- Reset base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--background);
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 { font-family: var(--font-heading); margin: 0; }
p, ul, dl, dd { margin: 0; }
ul { padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--primary); color: var(--primary-fg);
  padding: 0.75rem 1rem; border-radius: var(--radius-sm); font-weight: 700;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

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

.icon {
  width: 1rem; height: 1rem; flex-shrink: 0;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}
.icon--lg { width: 1.25rem; height: 1.25rem; }
.icon--xl { width: 1.5rem; height: 1.5rem; }
.icon--accent { color: var(--accent); }

.section { padding-block: 5rem; scroll-margin-top: var(--header-offset); }
.section--muted { background: rgba(231, 220, 198, 0.6); }
.section--petroleo { background: var(--secondary); color: var(--secondary-fg); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.875rem; font-weight: 700;
  letter-spacing: 0.025em; text-transform: uppercase; line-height: 1.25;
  transition: background-color 0.2s, opacity 0.2s, color 0.2s;
}
.btn--primary { background: var(--primary); color: var(--primary-fg); }
.btn--primary:hover { background: var(--primary-hover); }
.btn--outline-light { border-color: rgba(251, 246, 236, 0.4); color: var(--primary-fg); }
.btn--outline-light:hover { background: rgba(251, 246, 236, 0.1); }
.btn--paper { background: var(--primary-fg); color: var(--primary); }
.btn--paper:hover { opacity: 0.9; }
.btn--outline-paper { border-color: rgba(251, 246, 236, 0.5); color: var(--primary-fg); }
.btn--outline-paper:hover { background: rgba(251, 246, 236, 0.1); }
.btn[disabled] { opacity: 0.6; cursor: wait; }

/* ---------- Encabezado de sección ---------- */
.section-heading { display: flex; flex-direction: column; align-items: center; text-align: center; }
.section-heading--left { align-items: flex-start; text-align: left; }

.eyebrow {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--primary);
}
.section-heading--inverse .eyebrow { color: var(--accent); }

.section-title {
  margin-top: 0.75rem;
  font-size: 1.875rem; font-weight: 800; line-height: 1.2;
  letter-spacing: -0.025em; text-transform: uppercase;
  text-wrap: balance;
}
.section-heading--inverse .section-title { color: var(--secondary-fg); }

.rule {
  display: block; height: 0.25rem; width: 4rem; margin-top: 1rem;
  border-radius: 999px; background: var(--accent);
}
.section-heading:not(.section-heading--left) .rule { margin-inline: auto; }

.section-desc {
  margin-top: 1.25rem; max-width: 42rem; line-height: 1.625;
  color: var(--muted-fg); text-wrap: pretty;
}
.section-heading--inverse .section-desc { color: rgba(243, 235, 220, 0.8); }

/* ---------- Barra superior ---------- */
.topbar { display: none; background: var(--secondary); color: var(--secondary-fg); font-size: 0.875rem; }
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding-block: 0.625rem;
}
.topbar__group { display: flex; align-items: center; gap: 1.5rem; }
.topbar__item { display: flex; align-items: center; gap: 0.5rem; color: rgba(243, 235, 220, 0.85); }
a.topbar__item { color: var(--secondary-fg); transition: color 0.2s; }
a.topbar__item:hover { color: var(--accent); }

/* ---------- Header / navegación (sticky) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 246, 236, 0.95);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-block: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand__seal { width: 2.75rem; height: 2.75rem; flex-shrink: 0; }
.brand__word { display: none; height: 2rem; width: auto; }

.nav-desktop { display: none; align-items: center; gap: 1.75rem; }
.nav-link {
  font-size: 0.875rem; font-weight: 600; letter-spacing: 0.025em; text-transform: uppercase;
  color: rgba(35, 26, 18, 0.8); transition: color 0.2s;
}
.nav-link:hover, .nav-link.is-active { color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.header-cta { display: none; padding: 0.625rem 1.25rem; }

.menu-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem;
  background: transparent; color: var(--foreground);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

.nav-mobile {
  border-top: 1px solid var(--border); background: var(--card);
  padding: 1rem 1.5rem;
}
.nav-mobile[hidden] { display: none; }
.nav-mobile ul { display: flex; flex-direction: column; gap: 0.25rem; }
.nav-mobile .nav-link { display: block; padding: 0.75rem 0.5rem; border-radius: var(--radius-sm); }
.nav-mobile .nav-link:hover { background: var(--muted); }
.nav-mobile .btn { display: flex; margin-top: 0.5rem; padding: 0.75rem 1rem; }

/* ---------- Hero ---------- */
.hero { position: relative; isolation: isolate; overflow: hidden; }
.hero__img {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover;
}
.hero__overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to right,
    rgba(35, 26, 18, 0.9), rgba(35, 26, 18, 0.7) 50%, rgba(35, 26, 18, 0.2));
}
.hero__inner { display: flex; align-items: center; padding-block: 5rem; }
.hero__content { max-width: 36rem; }
.hero__badge {
  display: inline-flex; align-items: center; padding: 0.25rem 0.75rem;
  background: var(--accent); color: var(--foreground); border-radius: var(--radius-sm);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase;
}
.hero__title {
  margin-top: 1.5rem; color: var(--primary-fg);
  font-size: 2.25rem; font-weight: 800; line-height: 1.05;
  letter-spacing: -0.025em; text-transform: uppercase; text-wrap: balance;
}
.hero__text {
  margin-top: 1.25rem; font-size: 1.125rem; line-height: 1.625;
  color: rgba(251, 246, 236, 0.85); text-wrap: pretty;
}
.hero__bullets {
  display: grid; grid-template-columns: 1fr; gap: 0.75rem 1.5rem; margin-top: 1.75rem;
}
.hero__bullets li {
  display: flex; align-items: center; gap: 0.625rem;
  color: var(--primary-fg); font-size: 0.875rem; font-weight: 500;
}
.check-dot {
  display: flex; align-items: center; justify-content: center;
  width: 1.25rem; height: 1.25rem; flex-shrink: 0;
  border-radius: 50%; background: var(--primary);
}
.check-dot .icon { width: 0.875rem; height: 0.875rem; color: var(--primary-fg); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 2.25rem; }

/* ---------- Productos ---------- */
.grid-products { display: grid; gap: 1.5rem; margin-top: 3.5rem; grid-template-columns: 1fr; }
.product {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md);
}
.product__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.product__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s;
}
.product:hover .product__media img { transform: scale(1.05); }
.product__body { display: flex; flex: 1; flex-direction: column; padding: 1.5rem; }
.product__title { font-size: 1.125rem; font-weight: 700; letter-spacing: 0.025em; text-transform: uppercase; }
.product__desc { flex: 1; margin-top: 0.75rem; font-size: 0.875rem; line-height: 1.625; color: var(--muted-fg); }
.product__link {
  display: inline-flex; align-items: center; gap: 0.375rem; margin-top: 1.25rem;
  font-size: 0.875rem; font-weight: 700; letter-spacing: 0.025em; text-transform: uppercase;
  color: var(--primary); transition: color 0.2s;
}
.product__link:hover { color: var(--primary-hover); }

/* ---------- Nosotros ---------- */
.about { display: grid; align-items: center; gap: 3rem; grid-template-columns: 1fr; }
.about__photo-wrap { position: relative; }
.about__photo { position: relative; aspect-ratio: 4 / 5; overflow: hidden; border-radius: var(--radius-md); }
.about__photo img { width: 100%; height: 100%; object-fit: cover; }
.about__seal {
  display: none; position: absolute; right: -0.5rem; bottom: -1.5rem;
  padding: 1.5rem; background: var(--secondary); border-radius: var(--radius-md);
}
.about__seal img { width: 4rem; height: 4rem; }
.about__text { margin-top: 1.25rem; line-height: 1.625; color: rgba(35, 26, 18, 0.8); }
.stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  margin-top: 2.25rem; padding-top: 2rem; border-top: 1px solid var(--border);
}
.stats dt { font-family: var(--font-heading); font-size: 1.875rem; font-weight: 800; color: var(--primary); }
.stats dd {
  margin-top: 0.25rem; font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.025em; text-transform: uppercase; color: var(--muted-fg);
}
.phone-link { display: inline-flex; align-items: center; gap: 0.75rem; margin-top: 2rem; }
.phone-link__icon {
  display: flex; align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem; border-radius: 50%;
  background: var(--primary); color: var(--primary-fg);
}
.phone-link__label {
  display: block; font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.025em; text-transform: uppercase; color: var(--muted-fg);
}
.phone-link__number { display: block; font-size: 1.125rem; font-weight: 700; }

/* ---------- ¿Por qué nosotros? ---------- */
.why { position: relative; isolation: isolate; overflow: hidden; }
.why__pattern {
  position: absolute; z-index: -1; right: -6rem; top: -6rem; width: 520px; max-width: none;
  opacity: 0.25; mix-blend-mode: luminosity; pointer-events: none;
  /* El PNG es opaco: se funde con degradado para evitar bordes rectangulares duros */
  -webkit-mask-image: radial-gradient(circle at center, #000 25%, transparent 70%);
  mask-image: radial-gradient(circle at center, #000 25%, transparent 70%);
}
.grid-features { display: grid; gap: 2.5rem 2rem; margin-top: 3.5rem; grid-template-columns: 1fr; }
.feature { display: flex; gap: 1rem; }
.feature__icon {
  display: flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; flex-shrink: 0;
  background: var(--accent); color: var(--foreground); border-radius: var(--radius-md);
}
.feature__title { font-size: 1rem; font-weight: 700; letter-spacing: 0.025em; text-transform: uppercase; }
.feature__desc { margin-top: 0.5rem; font-size: 0.875rem; line-height: 1.625; color: rgba(243, 235, 220, 0.75); }

/* ---------- Catálogo / Instagram ---------- */
.ig-gallery { display: grid; gap: 0.75rem; grid-template-columns: repeat(2, 1fr); }
.ig-gallery a {
  position: relative; display: block; aspect-ratio: 1; overflow: hidden;
  border-radius: var(--radius-md); background: var(--muted);
}
.ig-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.ig-gallery a:hover img { transform: scale(1.06); }
.ig-frame {
  overflow: hidden; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius-md);
}
.ig-frame iframe { display: block; width: 100%; height: 520px; border: 0; }
.catalog__more { margin-top: 1.5rem; text-align: center; }
.text-link { font-size: 0.875rem; font-weight: 600; color: var(--primary); text-underline-offset: 4px; }
.text-link:hover { text-decoration: underline; }

/* ---------- Banda CTA ---------- */
.cta { position: relative; isolation: isolate; overflow: hidden; background: var(--primary); color: var(--primary-fg); }
.cta__pattern {
  position: absolute; z-index: -1; left: -5rem; bottom: 0; width: 440px; max-width: none;
  opacity: 0.3; mix-blend-mode: soft-light; pointer-events: none;
  -webkit-mask-image: radial-gradient(circle at center, #000 25%, transparent 70%);
  mask-image: radial-gradient(circle at center, #000 25%, transparent 70%);
}
.cta__inner {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between;
  gap: 2rem; padding-block: 3.5rem;
}
.cta__title { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.025em; text-transform: uppercase; text-wrap: balance; }
.cta__text { margin-top: 0.75rem; max-width: 42rem; line-height: 1.625; color: rgba(251, 246, 236, 0.85); text-wrap: pretty; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---------- Contacto ---------- */
.contact { display: grid; gap: 3rem; grid-template-columns: 1fr; }
.contact__lead { margin-top: 1.25rem; max-width: 28rem; line-height: 1.625; color: var(--muted-fg); }
.info-list { display: grid; gap: 1.5rem; margin-top: 2rem; grid-template-columns: 1fr; }
.info-item { display: flex; gap: 1rem; }
.info-item__icon {
  display: flex; align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem; flex-shrink: 0;
  background: var(--primary); color: var(--primary-fg); border-radius: var(--radius-md);
}
.info-item__label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.025em;
  text-transform: uppercase; color: var(--muted-fg);
}
.info-item p:not(.info-item__label) { font-size: 0.875rem; font-weight: 500; }
.info-item a:hover { color: var(--primary); }

.form-card {
  padding: 1.5rem; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius-md);
}
.form { display: flex; flex-direction: column; gap: 1.25rem; }
.form[hidden] { display: none; }
.form__title { font-size: 1.125rem; font-weight: 700; letter-spacing: 0.025em; text-transform: uppercase; }
.form__row { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label { font-size: 0.875rem; font-weight: 600; }
.field input, .field textarea {
  width: 100%; padding: 0.625rem 0.875rem;
  background: var(--background); color: var(--foreground);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font: inherit; font-size: 0.875rem; outline: none;
}
.field textarea { resize: vertical; min-height: 7rem; }
.field input::placeholder, .field textarea::placeholder { color: rgba(138, 117, 96, 0.7); }
.field input:focus-visible, .field textarea:focus-visible { border-color: var(--ring); box-shadow: 0 0 0 2px var(--ring); }
.field input:user-invalid, .field textarea:user-invalid { border-color: #4e0d01; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { margin-top: 0.25rem; }
.form__note { font-size: 0.75rem; color: var(--muted-fg); }

.form-status {
  padding: 0.75rem 1rem; border-radius: var(--radius-sm);
  font-size: 0.875rem; line-height: 1.5;
}
.form-status[hidden] { display: none; }
.form-status--error { background: #f6e3de; color: #4e0d01; border: 1px solid #e0b4a8; }
.form-status--error a { text-decoration: underline; font-weight: 700; }

.form-success { display: flex; flex-direction: column; align-items: center; justify-content: center; padding-block: 3rem; text-align: center; }
.form-success[hidden] { display: none; }
.form-success__icon {
  display: flex; align-items: center; justify-content: center;
  width: 4rem; height: 4rem; border-radius: 50%;
  background: var(--primary); color: var(--primary-fg);
}
.form-success__icon .icon { width: 2rem; height: 2rem; }
.form-success h3 { margin-top: 1.5rem; font-size: 1.25rem; font-weight: 700; letter-spacing: 0.025em; text-transform: uppercase; }
.form-success p { margin-top: 0.75rem; max-width: 24rem; font-size: 0.875rem; line-height: 1.625; color: var(--muted-fg); }
.form-success button {
  margin-top: 1.5rem; padding: 0; background: none; border: 0;
  font-size: 0.875rem; font-weight: 600; color: var(--primary); text-underline-offset: 4px;
}
.form-success button:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { background: var(--secondary); color: var(--secondary-fg); }
.footer__grid { display: grid; gap: 2.5rem; padding-block: 4rem; grid-template-columns: 1fr; }
.footer__logo { height: 2.25rem; width: auto; }
.footer__about { max-width: 20rem; margin-top: 1.25rem; font-size: 0.875rem; line-height: 1.625; color: rgba(243, 235, 220, 0.75); }
.footer__title { font-size: 0.875rem; font-weight: 700; letter-spacing: 0.025em; text-transform: uppercase; color: var(--accent); }
.footer__list { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.75rem; font-size: 0.875rem; color: rgba(243, 235, 220, 0.8); }
.footer__list--nav { gap: 0.625rem; }
.footer__list li { display: flex; gap: 0.625rem; }
.footer__list a { transition: color 0.2s; }
.footer__list a:hover, .footer__bottom a:hover { color: var(--accent); }
.footer__spacer { width: 1rem; flex-shrink: 0; }
.footer__bottom { border-top: 1px solid rgba(243, 235, 220, 0.15); }
.footer__bottom-inner {
  display: flex; flex-direction: column; align-items: center; justify-content: space-between;
  gap: 0.75rem; padding-block: 1.5rem; font-size: 0.75rem; color: rgba(243, 235, 220, 0.6);
}

/* ---------- Botón flotante WhatsApp ---------- */
.wa-float {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 60;
  display: flex; align-items: center; justify-content: center;
  width: 3.5rem; height: 3.5rem; border-radius: 50%;
  background: #25d366; color: #fff;
  box-shadow: 0 6px 20px rgba(35, 26, 18, 0.3);
  transition: transform 0.2s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float .icon { width: 1.75rem; height: 1.75rem; }

/* ---------- Breakpoints ---------- */
@media (min-width: 640px) {
  .brand__word { display: block; }
  .header-cta { display: inline-flex; }
  .hero__bullets { grid-template-columns: repeat(2, 1fr); }
  .grid-products, .grid-features { grid-template-columns: repeat(2, 1fr); }
  .about__seal { display: block; }
  .info-list { grid-template-columns: repeat(2, 1fr); }
  .form__row { grid-template-columns: repeat(2, 1fr); }
  .ig-gallery { grid-template-columns: repeat(3, 1fr); }
  .footer__bottom-inner { flex-direction: row; }
}

@media (min-width: 768px) {
  .topbar { display: block; }
  .section { padding-block: 7rem; }
  .section-title { font-size: 2.25rem; }
  .hero__inner { padding-block: 7rem; }
  .hero__title { font-size: 3.75rem; }
  .stats dt { font-size: 2.25rem; }
  .cta__inner { flex-direction: row; align-items: center; }
  .cta__title { font-size: 1.875rem; }
  .form-card { padding: 2rem; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .ig-frame iframe { height: 420px; }
}

@media (min-width: 1024px) {
  .nav-desktop { display: flex; }
  .menu-toggle, .nav-mobile { display: none !important; }
  .hero__inner { padding-block: 9rem; }
  .grid-products { grid-template-columns: repeat(3, 1fr); }
  .grid-features { grid-template-columns: repeat(3, 1fr); }
  .about, .contact { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

@media print {
  .topbar, .site-header, .wa-float, .cta { display: none; }
}