/* Brasil Pedras - Catálogo
   Paleta: fundo #F8EFD8 (areia clara) + acentos ametista/dourado */

:root{
  --bg:#F8EFD8;
  --bg-soft:#FBF5E4;
  --ink:#2b1e12;
  --ink-soft:#5a4a37;
  --line:#e6d9b5;
  --accent:#7a3fa6;     /* ametista */
  --accent-2:#b8873a;   /* dourado */
  --accent-3:#4a7c59;   /* verde jade */
  --shadow:0 6px 24px rgba(74,45,10,.08);
  --radius:14px;
  --maxw:1200px;
  --font:'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-ui:'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-ui);
  font-size:16px;
  line-height:1.6;
  min-height:100vh;
  display:flex;flex-direction:column;
}

img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;width:100%}

/* Header */
.site-header{
  background:var(--bg-soft);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(6px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:var(--maxw);margin:0 auto;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand img{height:52px;width:auto;object-fit:contain;max-width:180px}
.brand-text{font-family:var(--font);font-size:1.35rem;font-weight:600;line-height:1;letter-spacing:.02em;display:none}
.brand-sub{font-size:.72rem;color:var(--ink-soft);letter-spacing:.18em;text-transform:uppercase;display:none}

.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--ink)}
.nav{display:flex;gap:26px;align-items:center}
.nav a{color:var(--ink);font-weight:500;font-size:.95rem;position:relative;padding:6px 0}
.nav a:hover{color:var(--accent);text-decoration:none}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent)}

/* Hero */
.hero{
  padding:70px 20px 60px;
  background:
    radial-gradient(1200px 400px at 20% 0%, rgba(122,63,166,.10), transparent 60%),
    radial-gradient(900px 350px at 90% 20%, rgba(184,135,58,.10), transparent 60%),
    var(--bg);
  text-align:center;
}
.hero h1{
  font-family:var(--font);
  font-size:clamp(2rem, 4.6vw, 3.4rem);
  font-weight:600;line-height:1.15;margin:0 0 14px;color:var(--ink);
  letter-spacing:.005em;
}
.hero .lede{
  max-width:720px;margin:0 auto 26px;color:var(--ink-soft);
  font-size:1.05rem;
}
.hero .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Hero banner with background image */
.hero-banner{
  position:relative;
  min-height:min(70vh, 640px);
  padding:120px 20px 100px;
  background:
    linear-gradient(180deg, rgba(43,30,18,.55) 0%, rgba(43,30,18,.35) 40%, rgba(248,239,216,.85) 100%),
    url('/images/banner.png') center/cover no-repeat;
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  overflow:hidden;
}
.hero-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 40%, rgba(122,63,166,.20), transparent 60%);
  pointer-events:none;
}
.hero-banner .container{position:relative;z-index:2;max-width:820px}
.hero-banner h1{
  font-family:var(--font);
  font-size:clamp(2.2rem, 5.2vw, 3.8rem);
  font-weight:600;line-height:1.1;margin:0 0 18px;color:#fff;
  text-shadow:0 2px 12px rgba(0,0,0,.35);
}
.hero-banner .lede{
  max-width:640px;margin:0 auto 30px;color:#f8efd8;
  font-size:1.1rem;text-shadow:0 1px 8px rgba(0,0,0,.4);
}
.hero-banner .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-banner .eyebrow{
  display:inline-block;
  background:rgba(255,255,255,.15);
  color:#fff;
  padding:6px 16px;border-radius:999px;
  font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;
  margin-bottom:20px;
  backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,.2);
}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;
  padding:12px 22px;border-radius:999px;font-weight:600;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  border:0;cursor:pointer;font-family:inherit;font-size:.95rem;
  text-decoration:none;
}
.btn:hover{background:#66348b;transform:translateY(-1px);box-shadow:0 8px 20px rgba(122,63,166,.28);text-decoration:none;color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff;box-shadow:none}
.btn.wa{background:#25D366}
.btn.wa:hover{background:#1eb256}

/* Sections */
section{padding:60px 0}
.section-title{
  font-family:var(--font);font-weight:600;
  font-size:clamp(1.6rem, 3vw, 2.25rem);
  text-align:center;margin:0 0 8px;
}
.section-sub{text-align:center;color:var(--ink-soft);margin:0 0 40px;font-size:1rem}

/* Categories - 3 columns desktop */
.cats{display:grid;grid-template-columns:repeat(3, 1fr);gap:22px}
@media (max-width: 900px){ .cats{grid-template-columns:repeat(2, 1fr)} }
@media (max-width: 560px){ .cats{grid-template-columns:1fr} }
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;text-align:center;text-decoration:none;color:var(--ink);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent);text-decoration:none}
.cat-icon{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.4rem;font-weight:700;font-family:var(--font)}
.cat-card h3{margin:6px 0 2px;font-family:var(--font);font-weight:600;font-size:1.2rem}
.cat-card p{margin:0;color:var(--ink-soft);font-size:.9rem}

/* Product grid */
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}
.product-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.product-card a.thumb{display:block;aspect-ratio:1/1;overflow:hidden;background:#f2ead0}
.product-card a.thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.product-card:hover a.thumb img{transform:scale(1.05)}
.product-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.product-cat{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--accent-2);font-weight:600}
.product-name{font-family:var(--font);font-size:1.15rem;font-weight:600;margin:0;line-height:1.25}
.product-name a{color:var(--ink)}
.product-name a:hover{color:var(--accent);text-decoration:none}
.product-desc{color:var(--ink-soft);font-size:.9rem;margin:4px 0 12px;flex:1}
.product-actions{display:flex;gap:8px;margin-top:auto}
.product-actions .btn{padding:9px 16px;font-size:.85rem;flex:1;justify-content:center}

/* Filter bar */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px;
}
.filter-bar button{
  background:#fff;border:1px solid var(--line);color:var(--ink);
  padding:8px 18px;border-radius:999px;cursor:pointer;font-family:inherit;font-size:.9rem;
  transition:all .15s ease;
}
.filter-bar button:hover{border-color:var(--accent);color:var(--accent)}
.filter-bar button.active{background:var(--accent);border-color:var(--accent);color:#fff}

/* Product page */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.product-gallery{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.product-gallery img{width:100%;height:auto;display:block}
.product-info h1{font-family:var(--font);font-size:clamp(1.7rem, 3.2vw, 2.4rem);margin:0 0 10px;font-weight:600}
.product-info .breadcrumb{font-size:.85rem;color:var(--ink-soft);margin-bottom:14px}
.product-info .breadcrumb a{color:var(--ink-soft)}
.product-info .price-tag{
  display:inline-block;background:var(--bg-soft);border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;font-weight:600;color:var(--accent);
  font-size:1.05rem;margin:14px 0 20px;
}
.product-info .desc{color:var(--ink-soft);font-size:1.02rem;margin:0 0 24px}
.product-info .info-note{
  background:var(--bg-soft);border-left:3px solid var(--accent);
  padding:14px 18px;border-radius:6px;font-size:.9rem;color:var(--ink-soft);margin:20px 0 24px;
}

/* Differentials */
.diffs{display:grid;grid-template-columns:repeat(4, 1fr);gap:22px}
@media (max-width:900px){.diffs{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.diffs{grid-template-columns:1fr}}
.diff-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 22px;text-align:center;
  transition:transform .2s ease, box-shadow .2s ease;
}
.diff-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.diff-icon{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;color:#fff;
}
.diff-icon svg{width:30px;height:30px}
.diff-card h3{font-family:var(--font);font-weight:600;font-size:1.2rem;margin:0 0 8px}
.diff-card p{color:var(--ink-soft);font-size:.92rem;margin:0}

/* Models split section */
.models-split{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
  margin:0 auto;max-width:1100px;
}
.models-split .model-img{
  aspect-ratio:4/5;overflow:hidden;background:#efe6c8;
}
.models-split .model-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.models-split .model-img:hover img{transform:scale(1.04)}
@media (max-width:720px){
  .models-split{grid-template-columns:1fr}
  .models-split .model-img{aspect-ratio:3/4}
}

/* Reviews */
.reviews{display:grid;grid-template-columns:repeat(3, 1fr);gap:22px}
@media (max-width:900px){.reviews{grid-template-columns:1fr}}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;display:flex;flex-direction:column;gap:12px;
  position:relative;
}
.review-stars{color:var(--accent-2);font-size:1.1rem;letter-spacing:2px}
.review-text{color:var(--ink-soft);font-style:italic;font-size:.98rem;margin:0;line-height:1.55}
.review-text::before{content:"\201C";font-family:var(--font);font-size:2.6rem;color:var(--accent);
  line-height:0;vertical-align:-.4em;margin-right:4px}
.review-author{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.review-avatar{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-family:var(--font);font-size:1.1rem;
  flex-shrink:0;
}
.review-name{font-weight:600;color:var(--ink);font-size:.95rem;line-height:1.2}
.review-location{font-size:.8rem;color:var(--ink-soft)}

/* About & contact */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.two-col .txt h2{font-family:var(--font);font-size:1.9rem;margin:0 0 14px;font-weight:600}
.two-col .txt p{color:var(--ink-soft)}
.contact-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.contact-box h3{font-family:var(--font);margin:0 0 14px;font-weight:600}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:10px 0;border-bottom:1px dashed var(--line);color:var(--ink-soft)}
.contact-list li:last-child{border:0}
.contact-list a{color:var(--ink);font-weight:500}

/* Footer */
.site-footer{
  margin-top:auto;background:#2b1e12;color:#e6d9b5;padding:50px 20px 24px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;max-width:var(--maxw);margin:0 auto}
.footer-grid h4{color:#fff;font-family:var(--font);font-weight:600;margin:0 0 12px;font-size:1.15rem}
.footer-grid a{color:#c9b791;display:block;padding:3px 0;text-decoration:none}
.footer-grid a:hover{color:#fff;text-decoration:none}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.footer-brand img{width:44px;height:44px;filter:brightness(0) invert(1);opacity:.9}
.footer-brand span{font-family:var(--font);font-size:1.25rem;color:#fff}
.footer-bottom{
  max-width:var(--maxw);margin:34px auto 0;padding-top:20px;
  border-top:1px solid rgba(230,217,181,.15);
  text-align:center;font-size:.85rem;color:#a99672;
}

/* Floating WhatsApp */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:100;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(37,211,102,.35);
  transition:transform .15s ease;
  font-size:1.7rem;
}
.wa-float:hover{transform:scale(1.06);text-decoration:none;color:#fff}

/* Responsive */
@media (max-width: 820px){
  .nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:var(--bg-soft);border-bottom:1px solid var(--line);
    padding:14px 20px;gap:6px;
  }
  .nav.open{display:flex}
  .nav a{padding:10px 0;border-bottom:1px solid var(--line)}
  .nav a:last-child{border:0}
  .nav-toggle{display:block}
  .product-detail{grid-template-columns:1fr;gap:24px}
  .two-col{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .hero{padding:50px 20px 40px}
  section{padding:40px 0}
}

/* Accessibility & performance */
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* Skip link */
.skip-link{position:absolute;top:-40px;left:8px;background:var(--accent);color:#fff;padding:8px 14px;border-radius:4px;z-index:200}
.skip-link:focus{top:8px}