/* ===== Base ===== */
:root {
  --ink: #1d1b19;
  --ink-soft: #57524c;
  --cream: #f7f3ee;
  --sand: #e9e1d6;
  --gold: #b08a4f;
  --gold-dark: #8f6d38;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 18px 40px -18px rgba(29, 27, 25, .35);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; }
h2 { font-size: clamp(2rem, 4vw, 2.9rem); margin-bottom: 1rem; }
h3 { font-size: 1.55rem; margin-bottom: .5rem; }

.container { width: min(1180px, 100% - 2.5rem); margin-inline: auto; }
.section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.center { text-align: center; margin-top: 3rem; }

.eyebrow {
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: .9rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: .95rem 1.9rem;
  background: var(--gold);
  color: var(--white);
  border: 1.5px solid var(--gold);
  border-radius: 999px;
  font: 500 .92rem var(--sans);
  letter-spacing: .03em;
  cursor: pointer;
  transition: background .25s, color .25s, border-color .25s, transform .25s;
}
.btn:hover { background: var(--gold-dark); border-color: var(--gold-dark); transform: translateY(-2px); }
.btn-sm { padding: .6rem 1.3rem; }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.7); }
.btn-ghost:hover { background: var(--white); color: var(--ink); border-color: var(--white); }
.btn-ghost-dark { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost-dark:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }

/* ===== Header ===== */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding: 1.2rem 0;
  transition: background .3s, padding .3s, box-shadow .3s;
}
.header.scrolled {
  background: rgba(247, 243, 238, .94);
  backdrop-filter: blur(10px);
  padding: .7rem 0;
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}
.nav { display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: .7rem; color: var(--white); transition: color .3s; }
.header.scrolled .logo { color: var(--ink); }
.logo-mark { width: 40px; height: auto; flex-shrink: 0; }
.logo-text {
  font: 800 1.25rem/1 "Montserrat", var(--sans);
  letter-spacing: .02em;
  display: flex; flex-direction: column; align-items: center;
}
.logo-text small { font-size: .6rem; letter-spacing: .48em; font-weight: 500; margin-top: 5px; margin-right: -.48em; opacity: .8; }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a:not(.btn) {
  color: var(--white);
  font-size: .9rem;
  position: relative;
  transition: color .3s;
}
.header.scrolled .nav-links a:not(.btn) { color: var(--ink); }
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 1.5px; background: var(--gold);
  transition: width .3s;
}
.nav-links a:not(.btn):hover::after { width: 100%; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--white); transition: .3s; }
.header.scrolled .nav-toggle span { background: var(--ink); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  color: var(--white);
  background: #141210;
  overflow: hidden;
}
.hero-tiles {
  position: absolute; inset: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  opacity: .55;
}
.ht { animation: slowZoom 18s ease-in-out infinite alternate; }
.ht:nth-child(2) { animation-delay: -4s; }
.ht:nth-child(3) { animation-delay: -8s; }
.ht:nth-child(4) { animation-delay: -12s; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(20,18,16,.92) 0%, rgba(20,18,16,.6) 55%, rgba(20,18,16,.25) 100%);
}
.hero-content { position: relative; z-index: 2; padding-top: 5rem; max-width: 720px; margin-left: max(1.25rem, calc((100% - 1180px) / 2)); }
.hero h1 { font-size: clamp(2.8rem, 7vw, 5.4rem); font-weight: 500; margin-bottom: 1.3rem; }
.hero h1 em { color: var(--gold); font-style: italic; }
.hero .lead { font-size: clamp(1rem, 2vw, 1.2rem); letter-spacing: .08em; text-transform: uppercase; margin-bottom: .8rem; color: #e9dcc6; }
.hero-sub { color: rgba(255,255,255,.78); max-width: 540px; margin-bottom: 2.4rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; }

@keyframes slowZoom { from { transform: scale(1); } to { transform: scale(1.12); } }

/* ===== Tile textures (pure CSS) ===== */
.ht-marble, .t-statuario, .pi-slab, .av-1 {
  background:
    linear-gradient(115deg, transparent 40%, rgba(150,140,130,.35) 41%, transparent 43%),
    linear-gradient(60deg, transparent 62%, rgba(120,110,100,.3) 63%, transparent 64.5%),
    linear-gradient(150deg, transparent 20%, rgba(170,160,150,.25) 21%, transparent 22%),
    radial-gradient(ellipse at 30% 20%, #fff 0%, #f1ede8 45%, #ddd6cd 100%);
}
.ht-wood, .t-oak, .av-2 {
  background:
    repeating-linear-gradient(90deg, rgba(0,0,0,.06) 0 2px, transparent 2px 9px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 23px),
    linear-gradient(90deg, #b88b5a, #a47645 30%, #c49867 55%, #9c6e3e 80%, #b5895a);
}
.t-walnut {
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.25) 0 2px, transparent 2px 60px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.08) 0 2px, transparent 2px 11px),
    linear-gradient(90deg, #5d3d26, #6f4a2e 35%, #4f3220 70%, #694429);
}
.ht-stone, .t-travertine, .pi-porcelain {
  background:
    repeating-linear-gradient(178deg, rgba(160,130,90,.18) 0 3px, transparent 3px 14px),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,.4), transparent 60%),
    linear-gradient(135deg, #dcc9a8, #cdb48c 50%, #e3d3b6);
}
.ht-onyx, .t-onyx, .av-3 {
  background:
    radial-gradient(ellipse at 20% 80%, rgba(255,240,200,.6), transparent 50%),
    repeating-radial-gradient(ellipse at 70% 30%, #c58d3a 0 6px, #e7b765 6px 14px, #a96f24 14px 18px),
    #d39d4a;
}
.t-nero {
  background:
    linear-gradient(120deg, transparent 35%, rgba(255,255,255,.55) 36%, transparent 37%),
    linear-gradient(40deg, transparent 58%, rgba(255,255,255,.35) 58.6%, transparent 59.5%),
    linear-gradient(160deg, transparent 72%, rgba(255,255,255,.3) 72.5%, transparent 73.2%),
    radial-gradient(ellipse at 40% 40%, #2a2826, #121110);
}
.t-concrete, .pi-ceramic {
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.18) 0 2px, transparent 3px) 0 0 / 23px 23px,
    radial-gradient(circle at 70% 60%, rgba(0,0,0,.08) 0 1.5px, transparent 2.5px) 0 0 / 17px 17px,
    linear-gradient(135deg, #a9a6a1, #8f8c87 50%, #a3a09a);
}
.pi-ceramic {
  background:
    linear-gradient(rgba(255,255,255,.7) 2px, transparent 2px) 0 0 / 100% 33.33%,
    linear-gradient(90deg, rgba(255,255,255,.7) 2px, transparent 2px) 0 0 / 25% 100%,
    linear-gradient(135deg, #8fa7a6, #6b8786 50%, #a7bab8);
}
.t-terrazzo {
  background:
    radial-gradient(circle at 15% 25%, #b9764b 0 4px, transparent 5px),
    radial-gradient(circle at 60% 15%, #3c5a5c 0 3px, transparent 4px),
    radial-gradient(circle at 80% 70%, #c9a46b 0 5px, transparent 6px),
    radial-gradient(circle at 35% 75%, #6e6a64 0 3px, transparent 4px),
    radial-gradient(circle at 50% 45%, #b9764b 0 2px, transparent 3px),
    #ece6dc;
  background-size: 70px 70px;
}
.t-slate {
  background:
    repeating-linear-gradient(170deg, rgba(255,255,255,.06) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(10deg, rgba(0,0,0,.12) 0 2px, transparent 2px 19px),
    linear-gradient(135deg, #5b6066, #43474c 50%, #565a60);
}

/* ===== Stats ===== */
.stats { background: var(--ink); color: var(--white); padding: 2.6rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; text-align: center; }
.stat .num, .stat .plus, .stat .num-text { font: 600 2.6rem/1 var(--serif); color: var(--gold); }
.stat p { font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.65); margin-top: .5rem; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2.5rem, 6vw, 5.5rem); align-items: center; }
.about-visual { position: relative; aspect-ratio: 1 / 1.05; }
.av-tile { position: absolute; border-radius: var(--radius); box-shadow: var(--shadow); }
.av-1 { inset: 0 28% 30% 0; }
.av-2 { inset: 42% 0 0 34%; }
.av-3 { inset: 8% 0 62% 74%; }
.av-badge {
  position: absolute; left: 8%; bottom: 6%;
  background: var(--white); padding: 1.1rem 1.5rem; border-radius: var(--radius);
  box-shadow: var(--shadow); text-align: center;
}
.av-badge strong { display: block; font: 700 2rem/1 var(--serif); color: var(--gold); }
.av-badge span { font-size: .75rem; letter-spacing: .15em; text-transform: uppercase; color: var(--ink-soft); }
.about-text p { color: var(--ink-soft); margin-bottom: 1rem; }
.about-text strong { color: var(--ink); }
.checklist { margin-top: 1.5rem; display: grid; gap: .7rem; }
.checklist li { padding-left: 1.9rem; position: relative; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .45em;
  width: 12px; height: 12px; background: var(--gold); transform: rotate(45deg);
}

/* ===== Section head ===== */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 3.5rem; }
.section-head p:not(.eyebrow) { color: var(--ink-soft); }
.section-head.light h2 { color: var(--white); }

/* ===== Products ===== */
.products { background: var(--white); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.product-card {
  background: var(--cream); border-radius: var(--radius); overflow: hidden;
  transition: transform .35s, box-shadow .35s;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.product-img { aspect-ratio: 4 / 3; transition: transform .6s; }
.product-card:hover .product-img { transform: scale(1.05); }
.product-body { padding: 1.7rem; position: relative; background: var(--cream); }
.product-body p { color: var(--ink-soft); font-size: .95rem; }
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.2rem; }
.tags li {
  font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  padding: .3rem .75rem; border: 1px solid var(--sand); border-radius: 999px; color: var(--ink-soft);
}

/* ===== Collection ===== */
.filters { display: flex; justify-content: center; flex-wrap: wrap; gap: .6rem; margin-bottom: 2.5rem; }
.filter {
  background: transparent; border: 1px solid var(--sand); color: var(--ink-soft);
  padding: .55rem 1.3rem; border-radius: 999px; cursor: pointer;
  font: 500 .85rem var(--sans); transition: .25s;
}
.filter:hover { border-color: var(--gold); color: var(--gold); }
.filter.active { background: var(--ink); border-color: var(--ink); color: var(--white); }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.g-item {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 1; cursor: pointer;
  transition: opacity .35s, transform .35s;
}
.g-item.hidden { display: none; }
.g-tile { position: absolute; inset: 0; transition: transform .7s; }
.g-item:hover .g-tile { transform: scale(1.08); }
.g-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.4rem 1.3rem 1.1rem;
  background: linear-gradient(transparent, rgba(0,0,0,.72));
  color: var(--white); font: 600 1.35rem var(--serif);
  transform: translateY(30%); opacity: 0; transition: .35s;
}
.g-item figcaption span { display: block; font: 400 .75rem var(--sans); letter-spacing: .14em; text-transform: uppercase; opacity: .8; }
.g-item:hover figcaption, .g-item:focus-within figcaption { transform: none; opacity: 1; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15,14,13,.9);
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 1.2rem;
  opacity: 0; pointer-events: none; transition: opacity .3s;
  padding: 1.5rem;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox .lb-tile { width: min(560px, 85vw); aspect-ratio: 1; border-radius: var(--radius); box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.lightbox .lb-caption { color: var(--white); font: 600 1.6rem var(--serif); text-align: center; }
.lightbox .lb-caption span { display: block; font: 400 .8rem var(--sans); letter-spacing: .15em; text-transform: uppercase; opacity: .7; }
.lightbox .lb-close {
  position: absolute; top: 1.2rem; right: 1.4rem;
  background: none; border: 0; color: var(--white); font-size: 2.2rem; cursor: pointer; line-height: 1;
}

/* ===== Why ===== */
.why { background: var(--ink); color: var(--white); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.why-card {
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius);
  padding: 2.2rem 1.7rem; transition: border-color .3s, background .3s;
}
.why-card:hover { border-color: var(--gold); background: rgba(176,138,79,.07); }
.why-icon svg { width: 42px; height: 42px; fill: none; stroke: var(--gold); stroke-width: 1.4; margin-bottom: 1.4rem; }
.why-card p { color: rgba(255,255,255,.65); font-size: .93rem; }

/* ===== FAQ ===== */
.faq { background: var(--white); }
.faq-inner { max-width: 820px; }
.faq-list details { border-bottom: 1px solid var(--sand); }
.faq-list summary {
  cursor: pointer; list-style: none; padding: 1.3rem 2.5rem 1.3rem 0; position: relative;
  font: 600 1.3rem var(--serif);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; position: absolute; right: .3rem; top: 50%; transform: translateY(-50%);
  font: 300 1.6rem var(--sans); color: var(--gold); transition: transform .25s;
}
.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-list details p { color: var(--ink-soft); padding-bottom: 1.3rem; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact-info > p { color: var(--ink-soft); }
.contact-list { margin: 2rem 0; display: grid; gap: 1.4rem; }
.ci-label { display: block; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); font-weight: 600; margin-bottom: .2rem; }
.contact-list a:hover { color: var(--gold); }
.socials { display: flex; gap: .8rem; }
.socials a {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--sand); display: grid; place-items: center; transition: .25s;
}
.socials svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.socials svg .fill { fill: currentColor; stroke: none; }
.socials a:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }

.contact-form {
  background: var(--white); padding: clamp(1.8rem, 4vw, 2.8rem);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.contact-form h3 { margin-bottom: 1.5rem; }
.field { margin-bottom: 1.1rem; display: flex; flex-direction: column; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label { font-size: .8rem; font-weight: 500; margin-bottom: .4rem; color: var(--ink-soft); }
.field input, .field select, .field textarea {
  font: 400 .95rem var(--sans); color: var(--ink);
  padding: .8rem 1rem; border: 1px solid var(--sand); border-radius: 10px;
  background: var(--cream); transition: border-color .2s, background .2s; resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); background: var(--white); }
.field input.invalid { border-color: #c0392b; }
.form-error { color: #c0392b; font-size: .85rem; min-height: 1.2em; margin-bottom: .6rem; }
.form-actions { display: flex; flex-wrap: wrap; gap: .8rem; }

/* ===== Footer ===== */
.footer { background: #141210; color: rgba(255,255,255,.6); padding: 3rem 0; text-align: center; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: .8rem; }
.footer .logo { color: var(--white); }
.footer .copy { font-size: .8rem; }

/* ===== WhatsApp float ===== */
.wa-float {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; display: grid; place-items: center;
  box-shadow: 0 10px 25px rgba(37,211,102,.4); transition: transform .25s;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 30px; height: 30px; fill: var(--white); }

/* ===== Reveal ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }

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

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: 0 0 0 auto; width: min(300px, 80vw);
    background: var(--cream); flex-direction: column; align-items: flex-start;
    padding: 6rem 2rem 2rem; gap: 1.6rem;
    transform: translateX(100%); transition: transform .35s ease;
    box-shadow: -10px 0 40px rgba(0,0,0,.15);
  }
  .nav-links.open { transform: none; }
  .nav-links a:not(.btn) { color: var(--ink) !important; font-size: 1.05rem; }
  .nav-toggle { position: relative; z-index: 60; }
  .nav-toggle.open span { background: var(--ink); }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero-tiles { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 2rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 460px; width: 100%; margin-inline: auto; }
}

@media (max-width: 600px) {
  .product-grid, .why-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; gap: .8rem; }
  .g-item figcaption { opacity: 1; transform: none; font-size: 1.05rem; padding: 1rem .8rem .7rem; }
  .field-row { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1; text-align: center; }
}