/* =========================================================
   TERRAMIZ · Arte · Piedra · Diseño
   ========================================================= */

:root {
  --green-900: #1c251e;
  --green-800: #232e25;
  --green-700: #2c382e;
  --sage: #6b7a62;
  --sage-dark: #5a6852;
  --gold: #a8844a;
  --gold-light: #c4a468;
  --stone-50: #f1efea;
  --stone-100: #e9e6df;
  --stone-300: #c9c4b8;
  --ink: #2a2a26;
  --muted: #5c5a53;
  --white: #fdfcf9;

  --font-display: "Marcellus", Georgia, serif;
  --font-body: "Jost", "Helvetica Neue", Arial, sans-serif;

  --header-h: 74px;
  --container: 1520px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink);
  background: var(--stone-50);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 48px);
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  padding: .75em 1.4em;
  font: 500 .82rem/1 var(--font-body);
  letter-spacing: .08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .25s, color .25s, border-color .25s, transform .25s;
}
.btn svg { width: 1.35em; height: 1.35em; }
.btn:hover { transform: translateY(-1px); }

.btn--outline { border-color: rgba(255,255,255,.75); color: var(--white); }
.btn--outline:hover { background: var(--white); color: var(--green-900); }

.btn--sage { background: var(--sage); color: var(--white); }
.btn--sage:hover { background: var(--sage-dark); }
.btn--sage .arrow { font-size: 1.4em; line-height: 0; margin-left: .2em; }

.btn--gold { background: var(--gold); color: var(--white); }
.btn--gold:hover { background: #93713c; }

.btn--line { border-color: rgba(255,255,255,.5); color: var(--white); padding: .55em 1.1em; font-size: .72rem; }
.btn--line:hover { background: var(--gold); border-color: var(--gold); }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--green-800);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: box-shadow .3s;
}
.header.is-scrolled { box-shadow: 0 6px 24px rgba(0,0,0,.25); }

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 14px; color: var(--white); flex-shrink: 0; }
.logo__mark { width: 52px; height: 52px; }
.logo__text { display: flex; flex-direction: column; line-height: 1; }
.logo__name { font-family: var(--font-display); font-size: 2rem; letter-spacing: .06em; text-transform: uppercase; }
.logo__tag { margin-top: 6px; font-size: .66rem; letter-spacing: .28em; color: var(--gold-light); text-transform: uppercase; padding-left: 16px; }

.nav__list { display: flex; gap: clamp(16px, 2.2vw, 34px); }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #e8e4da;
  transition: color .2s;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 2px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform .3s var(--ease);
}
.nav__link:hover,
.nav__link.is-active { color: var(--gold-light); }
.nav__link.is-active::after,
.nav__link:hover::after { transform: scaleX(1); }

.chev {
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.nav__item--drop { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: -18px;
  min-width: 220px;
  padding: 10px 0;
  background: var(--green-800);
  border-top: 2px solid var(--gold);
  box-shadow: 0 16px 32px rgba(0,0,0,.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: .25s var(--ease);
}
.dropdown::before { content: ""; position: absolute; inset: -14px 0 auto; height: 14px; }
.dropdown a { display: block; padding: 9px 20px; font-size: .85rem; color: #ddd8cc; }
.dropdown a:hover { color: var(--gold-light); background: rgba(255,255,255,.04); }
.nav__item--drop:hover .dropdown,
.nav__item--drop:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; }

.header__actions { display: flex; align-items: center; gap: 16px; }
.nav__cta-mobile { display: none; }

.wa-circle {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 50%;
  color: var(--white);
  transition: background .25s, color .25s;
}
.wa-circle svg { width: 20px; height: 20px; }
.wa-circle:hover { background: #25d366; border-color: #25d366; }

.burger { display: none; width: 40px; height: 40px; padding: 10px 8px; background: none; border: 0; cursor: pointer; }
.burger span { display: block; height: 2px; margin: 4px 0; background: var(--white); transition: .3s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: clamp(420px, 30vw, 560px);
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(22,26,20,.82) 0%, rgba(22,26,20,.55) 30%, rgba(22,26,20,0) 58%),
    url("../img/hero.jpg") center 60% / cover no-repeat;
  color: var(--white);
}
.hero__content { padding-top: 44px; padding-bottom: 44px; }
.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 3.1vw, 3rem);
  line-height: 1.12;
  letter-spacing: .02em;
  text-transform: uppercase;
  animation: rise .9s var(--ease) both;
}
.gold { color: var(--gold-light); font-size: 1.12em; }
.rule { display: block; width: 64px; height: 1px; margin: 20px 0 18px; background: var(--gold); animation: rise .9s .1s var(--ease) both; }
.hero__text {
  max-width: 400px;
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  font-weight: 300;
  line-height: 1.45;
  margin-bottom: 26px;
  animation: rise .9s .2s var(--ease) both;
}
.hero__text strong { font-weight: 600; }
.hero .btn { animation: rise .9s .3s var(--ease) both; }

@keyframes rise { from { opacity: 0; transform: translateY(18px); } }

/* ---------- Categorías ---------- */
.cats { background: var(--stone-100); }
.cats__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  padding-top: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--stone-300);
}
.cat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 14px;
  border-left: 1px solid var(--stone-300);
}
.cat:first-child { border-left: 0; padding-left: 0; }
.cat img { width: auto; height: 52px; flex-shrink: 0; transition: transform .35s var(--ease); }
.cat:hover img { transform: translateY(-3px); }
.cat h3 { font-size: .74rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; }
.cat p { font-size: .72rem; line-height: 1.45; color: var(--muted); }

/* ---------- Acabados ---------- */
.finishes { background: var(--stone-100); padding: 24px 0 30px; }
.finishes__inner { display: grid; grid-template-columns: 220px 1fr; gap: 20px; }
.finishes__intro { padding-top: 10px; }
.eyebrow {
  display: block;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.7rem, 2.2vw, 2rem);
  line-height: 1.12;
  text-transform: uppercase;
  color: #4a4f45;
  margin-bottom: 18px;
}
.finishes__intro p { font-size: .9rem; color: var(--muted); margin-bottom: 26px; }

.finishes__grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.finish {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--green-700);
  overflow: hidden;
}
.finish__img { aspect-ratio: 3 / 4; overflow: hidden; }
.finish__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.finish:hover .finish__img img { transform: scale(1.06); }
.finish__cap { position: relative; flex: 1; display: flex; border-top: 1px solid var(--gold); }
.finish__num {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, -50%);
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  background: var(--green-700);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.finish__title {
  flex: 1;
  min-height: 88px;
  display: grid;
  place-items: center;
  padding: 26px 12px 16px;
  text-align: center;
  font-size: .8rem;
  font-weight: 400;
  letter-spacing: .04em;
  line-height: 1.45;
  text-transform: uppercase;
  color: #eeeadf;
}

/* ---------- Productos ---------- */
.products { background: var(--stone-50); padding: 72px 0; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head .section-title { margin: 0 auto; max-width: 620px; }
.products__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.product { position: relative; background: var(--green-700); color: var(--white); overflow: hidden; }
.product img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .8s var(--ease); }
.product:hover img { transform: scale(1.05); }
.product__body { position: relative; padding: 20px 20px 22px; text-align: center; border-top: 1px solid var(--gold); background: var(--green-700); }
.product h3 { font-family: var(--font-display); font-weight: 400; font-size: 1.15rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; }
.product p { font-size: .85rem; color: #cfcabd; margin-bottom: 16px; min-height: 2.9em; }

/* ---------- Contacto ---------- */
.contact {
  background:
    linear-gradient(rgba(28,37,30,.94), rgba(28,37,30,.94)),
    url("../img/productos/terrazo.jpg") center / cover;
  color: #e6e1d5;
  padding: 80px 0;
}
.contact__inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.section-title--light { color: var(--white); }
.contact__info p { color: #c8c3b6; max-width: 420px; margin-bottom: 28px; }
.contact__list li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.contact__list svg { width: 20px; height: 20px; color: var(--gold-light); }
.contact__list a:hover { color: var(--gold-light); }

.contact__form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-light); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  color: var(--white);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 0;
  transition: border-color .2s, background .2s;
}
.field select option { color: var(--ink); }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--gold); background: rgba(255,255,255,.08); }
.field .is-invalid { border-color: #c77b5b; }
.contact__form .btn { padding: 1em; }
.form-msg { grid-column: 1 / -1; font-size: .85rem; min-height: 1.2em; color: var(--gold-light); }

/* ---------- Footer ---------- */
.footer { background: var(--green-800); color: #e6e1d5; }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 22px;
  padding-bottom: 22px;
}
.perk { display: flex; align-items: center; gap: 14px; }
.perk svg { width: 32px; height: 32px; flex-shrink: 0; }
.perk h4 { font-size: .8rem; font-weight: 400; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 3px; }
.perk p { font-size: .76rem; color: #b9b4a6; }
.footer__cta { flex-shrink: 0; padding: 1em 1.6em; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.06); padding: 14px 0; font-size: .75rem; color: #8f8a7d; text-align: center; }

.perk svg { fill: none; stroke: var(--gold-light); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Animación al hacer scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.finishes__grid .reveal:nth-child(2) { transition-delay: .06s; }
.finishes__grid .reveal:nth-child(3) { transition-delay: .12s; }
.finishes__grid .reveal:nth-child(4) { transition-delay: .18s; }
.finishes__grid .reveal:nth-child(5) { transition-delay: .24s; }
.finishes__grid .reveal:nth-child(6) { transition-delay: .30s; }
.products__grid .reveal:nth-child(2) { transition-delay: .08s; }
.products__grid .reveal:nth-child(3) { transition-delay: .16s; }
.products__grid .reveal:nth-child(4) { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1280px) {
  .header__cta { display: none; }
  .cats__grid { grid-template-columns: repeat(3, 1fr); row-gap: 24px; }
  .cat:nth-child(4) { border-left: 0; padding-left: 0; }
  .finishes__inner { grid-template-columns: 1fr; }
  .finishes__intro { max-width: 620px; }
  .finishes__intro .section-title br { display: none; }
  .footer__inner { flex-wrap: wrap; justify-content: center; }
  .perk { flex: 1 1 40%; }
  .footer__cta { flex-basis: 100%; }
}

@media (max-width: 1080px) {
  .burger { display: block; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 32px 24px;
    background: var(--green-900);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform .4s var(--ease);
  }
  .nav.is-open { transform: none; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list > li { border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav__link { padding: 16px 0; font-size: .95rem; }
  .nav__link::after { display: none; }
  .dropdown {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; background: none;
    padding: 0 0 12px 12px;
    display: none;
  }
  .nav__item--drop.is-open .dropdown { display: block; }
  .nav__item--drop.is-open .chev { transform: rotate(-135deg); }
  .nav__cta-mobile { display: inline-flex; }

  .finishes__grid { grid-template-columns: repeat(3, 1fr); }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  :root { --header-h: 64px; }
  .logo__mark { width: 40px; height: 40px; }
  .logo__name { font-size: 1.5rem; }
  .logo__tag { font-size: .55rem; padding-left: 8px; }
  .header__actions { gap: 8px; }

  .hero {
    min-height: 560px;
    align-items: flex-end;
    background:
      linear-gradient(0deg, rgba(22,26,20,.92) 0%, rgba(22,26,20,.6) 55%, rgba(22,26,20,.15) 100%),
      url("../img/hero.jpg") 70% center / cover no-repeat;
  }

  .cats__grid { grid-template-columns: repeat(2, 1fr); }
  .cat,
  .cat:first-child,
  .cat:nth-child(4) { border-left: 0; padding: 4px 0; flex-direction: column; align-items: flex-start; }
  .cat img { height: 48px; }

  .finishes__grid { grid-template-columns: repeat(2, 1fr); }
  .products { padding: 56px 0; }
  .products__grid { grid-template-columns: 1fr; }
  .product p { min-height: 0; }

  .contact { padding: 56px 0; }
  .contact__form { grid-template-columns: 1fr; }

  .perk { flex-basis: 100%; }
}