/* =========================================================
   SULEIMAN INTERIORES — Design System
   Referência visual: Hunter Douglas Brasil (elegante, sóbrio,
   tons neutros/terrosos, dourado como acento)
   ========================================================= */

:root{
  /* Cores */
  --bg:            #F7F5F1; /* marfim quente */
  --bg-alt:        #EFEAE2; /* areia suave (alternância de seção) */
  --ink:           #262220; /* quase-preto quente (texto principal) */
  --ink-soft:      #5B554C; /* taupe acinzentado (texto secundário) */
  --line:          #DCD4C6; /* linha fina / divisores */
  --gold:          #A8834F; /* dourado / bronze — acento principal */
  --gold-deep:     #7C5F38; /* dourado escuro — hover / pressionado */
  --white:         #FFFFFF;
  --overlay-dark:  rgba(20,17,14,0.55);

  /* Tipografia */
  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaçamento / layout */
  --container: 1180px;
  --gap-section: clamp(64px, 9vw, 128px);
  --radius: 2px;
  --transition: 260ms cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html, body{ margin:0; padding:0; }

body{
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
button{ font-family: inherit; cursor:pointer; }
ul{ margin:0; padding:0; list-style:none; }

/* Acessibilidade: foco visível */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight:600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background: var(--gold);
  display:inline-block;
}

h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  margin: 0;
  line-height:1.08;
}
h2{ font-size: clamp(28px, 3.4vw, 42px); font-weight:450; }
h3{ font-size: clamp(20px, 2vw, 24px); }
p{ margin:0; }
.lede{ font-size: clamp(16px, 1.3vw, 18.5px); color: var(--ink-soft); max-width: 62ch; }

.section{ padding: var(--gap-section) 0; }
.section--alt{ background: var(--bg-alt); }

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-head .tag-stack{ display:flex; flex-direction:column; gap:14px; }

/* Botões */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-size: 14.5px;
  font-weight:600;
  letter-spacing:0.02em;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn--primary{ background: var(--ink); color: var(--bg); }
.btn--primary:hover{ background: var(--gold-deep); transform: translateY(-1px); }
.btn--gold{ background: var(--gold); color: var(--white); }
.btn--gold:hover{ background: var(--gold-deep); transform: translateY(-1px); }
.btn--ghost{ background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover{ background: var(--ink); color: var(--bg); }
.btn--ghost-light{ background: transparent; color: var(--white); border-color: rgba(255,255,255,0.55); }
.btn--ghost-light:hover{ background: var(--white); color: var(--ink); border-color: var(--white); }
.btn--sm{ padding: 11px 20px; font-size:13.5px; }
.btn--block{ width:100%; }

/* =========================== HEADER =========================== */
.header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 500;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.header .container{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.header.is-scrolled{
  background: rgba(247,245,241,0.92);
  backdrop-filter: blur(8px);
  padding: 12px 0;
  box-shadow: 0 1px 0 var(--line);
}
.brand{
  display:flex; flex-direction:column; line-height:1;
  font-family: var(--font-display);
}
.brand strong{ font-size: 21px; letter-spacing:0.01em; color: var(--ink); }
.header.is-transparent-hero .brand strong,
.header.is-transparent-hero .nav a,
.header.is-transparent-hero .nav-toggle span{ color: var(--white); }
.brand small{ font-size:9.5px; letter-spacing:0.22em; text-transform:uppercase; color: var(--gold); font-family: var(--font-body); font-weight:600; margin-top:2px; }

.nav{ display:flex; align-items:center; gap: 34px; }
.nav a{
  font-size: 14px; font-weight:500; color: var(--ink);
  position:relative; padding: 4px 0;
}
.nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background: var(--gold); transform: scaleX(0); transform-origin:left;
  transition: transform var(--transition);
}
.nav a:hover::after, .nav a.is-active::after{ transform: scaleX(1); }

.header-actions{ display:flex; align-items:center; gap:16px; }
.header-phone{ display:flex; align-items:center; gap:8px; font-size:14px; font-weight:600; }
.header.is-transparent-hero .header-phone{ color: var(--white); }

.nav-toggle{ display:none; background:none; border:none; padding:8px; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:24px; height:2px; background: var(--ink); position:relative; transition: var(--transition);
}
.nav-toggle span::before{ position:absolute; top:-8px; }
.nav-toggle span::after{ position:absolute; top:8px; }

/* =========================== HERO =========================== */
.hero{
  position:relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background: linear-gradient(160deg, #2C2620 0%, #3A3227 55%, #4A3E2B 100%);
  color: var(--white);
}
.hero-bg-ph{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse at 75% 30%, rgba(168,131,79,0.28), transparent 55%),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 2px, transparent 2px, transparent 34px);
}
.hero .container{ position:relative; z-index:2; padding-top: 120px; padding-bottom: 80px; width:100%; }
.hero-grid{ display:grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items:center; }
.hero-copy .eyebrow{ color: #E6C89A; }
.hero-copy .eyebrow::before{ background: #E6C89A; }
.hero-copy h1{
  color: var(--white);
  font-size: clamp(38px, 5.4vw, 68px);
  margin: 22px 0 24px;
  max-width: 15ch;
}
.hero-copy h1 em{ font-style:italic; color:#E6C89A; }
.hero-copy .lede{ color: rgba(255,255,255,0.82); max-width:48ch; margin-bottom:34px; }
.hero-ctas{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-badges{ display:flex; gap:26px; margin-top:56px; flex-wrap:wrap; }
.hero-badges .badge{ display:flex; flex-direction:column; gap:4px; }
.hero-badges .badge strong{ font-family: var(--font-display); font-size:26px; color:var(--white); }
.hero-badges .badge span{ font-size:12px; color: rgba(255,255,255,0.65); letter-spacing:0.03em; }

/* --- Elemento de assinatura: controle de luz interativo (persiana) --- */
.light-demo{
  position:relative;
  border-radius: 4px;
  overflow:hidden;
  aspect-ratio: 4/5;
  background: linear-gradient(200deg, #6b7a8a, #cfd9df 55%, #f2ede2);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.55);
}
.light-demo .sun{
  position:absolute; top:12%; right:16%;
  width:90px; height:90px; border-radius:50%;
  background: radial-gradient(circle, #FFE9B8 0%, #F6C567 60%, rgba(246,197,103,0) 72%);
  filter: blur(1px);
}
.light-demo .slats{ position:absolute; inset:0; display:flex; flex-direction:column; }
.light-demo .slat{
  flex:1; border-bottom: 2px solid rgba(38,34,32,0.18);
  background: linear-gradient(180deg, rgba(247,245,241,0.97), rgba(223,216,201,0.97));
  transform-origin: center;
  transition: transform 120ms linear, opacity 120ms linear;
  box-shadow: inset 0 -6px 10px -6px rgba(0,0,0,0.18);
}
.light-demo-caption{
  position:absolute; left:0; right:0; bottom:0;
  padding: 18px 20px 20px;
  background: linear-gradient(0deg, rgba(20,17,14,0.72), transparent);
  display:flex; flex-direction:column; gap:10px;
}
.light-demo-caption label{ font-size:12px; letter-spacing:0.1em; text-transform:uppercase; color:#fff; font-weight:600; }
.light-demo-caption input[type="range"]{
  -webkit-appearance:none; appearance:none; width:100%; height:3px; background: rgba(255,255,255,0.4); border-radius: 4px;
}
.light-demo-caption input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none; width:16px; height:16px; border-radius:50%; background: var(--gold); border: 2px solid #fff; cursor:pointer;
}
.light-demo-caption input[type="range"]::-moz-range-thumb{
  width:16px; height:16px; border-radius:50%; background: var(--gold); border: 2px solid #fff; cursor:pointer;
}

.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  color: rgba(255,255,255,0.7); font-size:11px; letter-spacing:0.14em; text-transform:uppercase;
  z-index:2;
}
.scroll-cue::after{
  content:""; width:1px; height:34px; background: linear-gradient(180deg, rgba(255,255,255,0.7), transparent);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue{ 0%{ opacity:0; transform:scaleY(0.3);} 40%{opacity:1;} 100%{ opacity:0; transform:scaleY(1);} }

/* =========================== MARQUEE / SELOS =========================== */
.marquee-strip{
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding: 26px 0; background: var(--bg);
}
.marquee-strip .container{
  display:flex; align-items:center; justify-content:center; gap:56px; flex-wrap:wrap;
  color: var(--ink-soft); font-size:13.5px; letter-spacing:0.04em; text-align:center;
}
.marquee-strip strong{ color: var(--ink); font-weight:600; }

/* =========================== SOBRE =========================== */
.about-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap:64px; align-items:center; }
.ph-block{
  position:relative; aspect-ratio: 5/4; border-radius: 4px; overflow:hidden;
  background: linear-gradient(135deg, #E9E2D2, #D9CEB7);
  display:flex; align-items:center; justify-content:center;
  color: var(--ink-soft); font-size:13px; letter-spacing:0.06em; text-transform:uppercase; text-align:center; padding: 20px;
  border: 1px solid var(--line);
}
.ph-block::before{
  content:"◇"; display:block; font-size:22px; color: var(--gold); margin-bottom:10px;
}
.about-copy .lede{ margin: 22px 0 26px; }
.about-list{ display:flex; flex-direction:column; gap:16px; margin-top: 8px; }
.about-list li{ display:flex; gap:14px; align-items:flex-start; font-size:15px; color: var(--ink-soft); }
.about-list .dot{ flex:none; width:6px; height:6px; border-radius:50%; background: var(--gold); margin-top:8px; }
.about-list strong{ color: var(--ink); }

/* =========================== CARDS DE PRODUTOS =========================== */
.cards-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card{
  position:relative;
  border-radius: 4px;
  overflow:hidden;
  background: var(--white);
  border:1px solid var(--line);
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover{ transform: translateY(-6px); box-shadow: 0 30px 50px -30px rgba(38,34,32,0.28); }
.product-card .ph-block{ aspect-ratio: 4/3; border-radius:0; border:none; border-bottom:1px solid var(--line); }
.product-card-body{ padding: 26px 26px 30px; }
.product-card-body .eyebrow{ margin-bottom:10px; }
.product-card-body h3{ margin-bottom:10px; }
.product-card-body p{ color: var(--ink-soft); font-size:14.5px; margin-bottom:18px; }
.product-card-link{
  display:inline-flex; align-items:center; gap:8px; font-size:13.5px; font-weight:600; color: var(--gold-deep);
}
.product-card-link .arrow{ transition: transform var(--transition); }
.product-card:hover .product-card-link .arrow{ transform: translateX(4px); }

/* =========================== DIFERENCIAIS =========================== */
.cards-4{ display:grid; grid-template-columns: repeat(4, 1fr); gap:32px; }
.feature{ display:flex; flex-direction:column; gap:14px; }
.feature .num{ font-family: var(--font-display); font-size:14px; color: var(--gold); letter-spacing:0.05em; }
.feature h3{ font-size:18px; }
.feature p{ color: var(--ink-soft); font-size:14.5px; }

/* =========================== GALERIA =========================== */
.gallery-grid{ display:grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 190px; gap:14px; }
.gallery-grid .ph-block:nth-child(1){ grid-column: span 2; grid-row: span 2; }
.gallery-grid .ph-block:nth-child(4){ grid-column: span 2; }

/* =========================== DEPOIMENTOS =========================== */
.testi-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap:28px; }
.testi{
  background: var(--white); border:1px solid var(--line); border-radius:4px; padding: 34px;
  display:flex; flex-direction:column; gap:20px;
}
.testi blockquote{ font-family: var(--font-display); font-size:19px; font-style:italic; color: var(--ink); margin:0; line-height:1.5; }
.testi cite{ font-style:normal; font-size:13.5px; color: var(--ink-soft); font-weight:600; }
.stars{ color: var(--gold); letter-spacing:2px; font-size:14px; }

/* =========================== CTA FINAL / FORM =========================== */
.cta-final{
  background: linear-gradient(160deg, #2C2620, #3A3227);
  color: var(--white);
  border-radius: 6px;
  padding: 64px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items:center;
}
.cta-final .eyebrow{ color:#E6C89A; }
.cta-final .eyebrow::before{ background:#E6C89A; }
.cta-final h2{ color: var(--white); margin: 18px 0 16px; }
.cta-final .lede{ color: rgba(255,255,255,0.78); }
.cta-final-list{ display:flex; flex-direction:column; gap:12px; margin-top:26px; }
.cta-final-list li{ display:flex; gap:10px; align-items:center; font-size:14.5px; color: rgba(255,255,255,0.9); }
.cta-final-list li::before{ content:"✓"; color: var(--gold); font-weight:700; }

.lead-form{ background: var(--bg); border-radius:4px; padding: 32px; color: var(--ink); }
.lead-form h3{ margin-bottom:6px; }
.lead-form p.hint{ color: var(--ink-soft); font-size:13.5px; margin-bottom:22px; }
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:12.5px; font-weight:600; letter-spacing:0.03em; text-transform:uppercase; color: var(--ink-soft); margin-bottom:7px; }
.field input, .field select, .field textarea{
  width:100%; padding: 12px 14px; border:1px solid var(--line); border-radius: 3px;
  background: var(--white); font-family: var(--font-body); font-size:14.5px; color: var(--ink);
  transition: border-color var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--gold); outline:none; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-note{ font-size:12px; color: var(--ink-soft); margin-top:12px; }
.form-success, .form-error{ display:none; padding:14px 16px; border-radius:3px; font-size:14px; margin-bottom:16px; }
.form-success{ background:#EAF3EA; color:#2F5D34; }
.form-error{ background:#F7E7E4; color:#8A3B2C; }

/* =========================== FOOTER =========================== */
.footer{ background: var(--ink); color: rgba(255,255,255,0.75); padding: 72px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap:48px; margin-bottom:56px; }
.footer .brand strong{ color: var(--white); }
.footer p.desc{ margin-top:16px; font-size:14px; color: rgba(255,255,255,0.6); max-width:32ch; }
.footer h4{ color: var(--white); font-family: var(--font-body); font-size:13px; letter-spacing:0.08em; text-transform:uppercase; margin-bottom:18px; }
.footer ul li{ margin-bottom:11px; font-size:14.5px; }
.footer ul a:hover{ color: var(--gold); }
.footer .social{ display:flex; gap:14px; margin-top:20px; }
.footer .social a{
  width:36px; height:36px; border:1px solid rgba(255,255,255,0.25); border-radius:50%;
  display:flex; align-items:center; justify-content:center; transition: var(--transition);
}
.footer .social a:hover{ background: var(--gold); border-color: var(--gold); }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.14); padding-top:26px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:13px; color: rgba(255,255,255,0.5);
}

/* =========================== BOTÃO FLUTUANTE WHATSAPP =========================== */
.wa-float{
  position:fixed; bottom:24px; right:24px; z-index:600;
  width:58px; height:58px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 26px -8px rgba(0,0,0,0.45);
  transition: transform var(--transition);
}
.wa-float:hover{ transform: scale(1.08); }

/* =========================== PÁGINAS DE PRODUTO =========================== */
.page-hero{
  background: linear-gradient(160deg, #2C2620, #3A3227);
  color: var(--white);
  padding: 160px 0 70px;
}
.page-hero .eyebrow{ color:#E6C89A; }
.page-hero .eyebrow::before{ background:#E6C89A; }
.page-hero h1{ color: var(--white); margin: 18px 0 18px; max-width: 22ch; }
.page-hero .lede{ color: rgba(255,255,255,0.8); max-width:60ch; }
.breadcrumb{ font-size:13px; color: rgba(255,255,255,0.55); margin-bottom:18px; }
.breadcrumb a:hover{ color: var(--gold); }

.filter-bar{
  display:flex; gap:12px; flex-wrap:wrap; margin-bottom:48px;
}
.filter-bar button{
  padding: 9px 18px; border-radius: 30px; border:1px solid var(--line); background: var(--white);
  font-size:13.5px; font-weight:600; color: var(--ink-soft); transition: var(--transition);
}
.filter-bar button.is-active, .filter-bar button:hover{ background: var(--ink); border-color: var(--ink); color: var(--white); }

.product-line{
  display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 52px; align-items:center;
  padding: 46px 0; border-bottom: 1px solid var(--line);
}
.product-line:last-child{ border-bottom:none; }
.product-line:nth-child(even){ direction: rtl; }
.product-line:nth-child(even) > *{ direction: ltr; }
.product-line .ph-block{ aspect-ratio: 4/3; }
.product-line-body .eyebrow{ margin-bottom:14px; }
.product-line-body h3{ font-size: clamp(22px,2.4vw,28px); margin-bottom:14px; }
.product-line-body p{ color: var(--ink-soft); margin-bottom:18px; }
.tag-row{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom: 20px; }
.tag-row span{
  font-size:12px; padding:6px 12px; border-radius:20px; background: var(--bg-alt); color: var(--ink-soft); border:1px solid var(--line);
}

/* =========================== RESPONSIVO =========================== */
@media (max-width: 980px){
  .hero-grid, .about-grid, .cta-final, .product-line{ grid-template-columns: 1fr; }
  .product-line:nth-child(even){ direction: ltr; }
  .cards-3, .cards-4, .testi-grid, .footer-grid{ grid-template-columns: repeat(2,1fr); }
  .gallery-grid{ grid-template-columns: repeat(2,1fr); }
  .field-row{ grid-template-columns:1fr; }
  .cta-final{ padding: 40px; }
}
@media (max-width: 760px){
  .nav, .header-phone span{ display:none; }
  .nav-toggle{ display:block; }
  .cards-3, .cards-4, .testi-grid, .footer-grid{ grid-template-columns: 1fr; }
  .hero-badges{ gap:20px; }
  .section{ padding: 56px 0; }
  .section-head{ flex-direction:column; align-items:flex-start; }
}