/* ============================================================
   DECORAN CORTINAS — DESIGN TOKENS
============================================================ */
:root {
  --cor-fundo: #faf8f5;
  --cor-fundo-alt: #f1ebe1;
  --cor-branco: #ffffff;
  --cor-texto: #2b2a27;
  --cor-texto-suave: #6d6a62;
  --cor-tinta: #123651;
  --cor-tinta-clara: #2b5978;
  --cor-tinta-escura: #0a2436;
  --cor-acento: #ab7a3f;
  --cor-acento-claro: #cf9c5c;
  --cor-escuro: #16222c;
  --cor-borda: #e6ded1;
  --cor-whatsapp: #25d366;
  --cor-whatsapp-escuro: #1ebe5d;

  --fonte-titulo: 'Fraunces', Georgia, serif;
  --fonte-texto: 'Inter', Arial, sans-serif;

  --raio: 16px;
  --sombra: 0 26px 54px -26px rgba(10, 36, 54, 0.4);
  --largura-max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--fonte-texto);
  color: var(--cor-texto);
  background: var(--cor-fundo);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--fonte-titulo);
  font-weight: 600;
  color: var(--cor-tinta-escura);
  line-height: 1.18;
  margin: 0 0 .5em;
}

p { margin: 0 0 1em; color: var(--cor-texto-suave); }

a { color: inherit; text-decoration: none; }

ul { list-style: none; margin: 0; padding: 0; }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  background: var(--cor-branco);
  padding: 10px 16px;
  border-radius: var(--raio);
  z-index: 999;
}

.eyebrow {
  display: inline-block;
  font-family: var(--fonte-titulo);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--cor-acento);
  font-weight: 500;
  margin-bottom: 10px;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head h2 { font-size: clamp(1.9rem, 3.5vw, 2.6rem); }
.section-head p { font-size: 1.05rem; margin-bottom: 0; }
.section-head--light .eyebrow { color: var(--cor-acento-claro); }
.section-head--light h2 { color: var(--cor-branco); }
.section-head--light p { color: rgba(255,255,255,.72); }

/* ============================================================
   BOTÕES
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn--whatsapp {
  background: var(--cor-whatsapp);
  color: #fff;
}
.btn--whatsapp:hover { background: var(--cor-whatsapp-escuro); transform: translateY(-2px); }

.btn--outline {
  background: transparent;
  border-color: var(--cor-tinta);
  color: var(--cor-tinta);
}
.btn--outline:hover { background: var(--cor-tinta); color: #fff; }

.btn--lg { padding: 17px 36px; font-size: 1.02rem; }

/* ============================================================
   CABEÇALHO
============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cor-borda);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.header__logo { display: flex; align-items: center; }
.header__logo img { height: 44px; width: auto; display: block; }

.header__nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
  margin-right: 24px;
}
.header__nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--cor-texto);
  position: relative;
  padding-bottom: 4px;
}
.header__nav a:hover { color: var(--cor-acento); }

.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: 8px;
}
.header__burger span {
  display: block;
  height: 2px;
  background: var(--cor-tinta-escura);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.header__burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header__burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.header__burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero__media, .hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10,25,38,.86) 0%, rgba(10,25,38,.58) 42%, rgba(10,25,38,.2) 78%);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding-top: 60px;
  padding-bottom: 60px;
}
.badge {
  display: inline-block;
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.35);
  font-size: 0.85rem;
  letter-spacing: .03em;
  margin-bottom: 22px;
  backdrop-filter: blur(4px);
}
.hero h1 {
  color: #fff;
  font-weight: 600;
  font-size: clamp(2.3rem, 5vw, 3.7rem);
  margin-bottom: 20px;
}
.hero__subtitle {
  color: rgba(255,255,255,.88);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* ============================================================
   FAIXA DE DIFERENCIAIS
============================================================ */
.diferenciais {
  background: var(--cor-branco);
  border-bottom: 1px solid var(--cor-borda);
}
.diferenciais__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 26px 24px;
}
.diferencial {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
}
.diferencial__icone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--cor-acento);
  color: #fff;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.diferencial p {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--cor-texto);
}

/* ============================================================
   PRODUTOS
============================================================ */
.produtos { padding: 96px 0; }

.produtos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.produto-card {
  background: var(--cor-branco);
  border-radius: var(--raio);
  overflow: hidden;
  box-shadow: 0 14px 32px -20px rgba(10,36,54,.3);
  transition: transform .25s ease, box-shadow .25s ease;
}
.produto-card:hover { transform: translateY(-6px); box-shadow: var(--sombra); }
.produto-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.produto-card h3 {
  font-size: 1.18rem;
  margin: 18px 20px 4px;
}
.produto-card p {
  font-size: 0.92rem;
  margin: 0 20px 20px;
}

.produtos__cta {
  text-align: center;
  margin-top: 48px;
}

/* ============================================================
   COMO FUNCIONA
============================================================ */
.como-funciona {
  background: var(--cor-escuro);
  padding: 96px 0;
}
.passos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.passo {
  text-align: center;
  padding: 8px;
}
.passo__numero {
  display: inline-block;
  font-family: var(--fonte-titulo);
  font-weight: 700;
  font-size: 2.5rem;
  color: var(--cor-acento-claro);
  margin-bottom: 6px;
}
.passo h3 { color: #fff; font-size: 1.25rem; }
.passo p { color: rgba(255,255,255,.7); font-size: 0.95rem; }

/* ============================================================
   BLOCO COMERCIAL
============================================================ */
.comercial {
  padding: 96px 0;
  background: var(--cor-fundo-alt);
}
.comercial__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.comercial__texto h2 { font-size: clamp(1.9rem, 3.2vw, 2.4rem); }
.comercial__lista li {
  padding: 14px 0;
  border-bottom: 1px solid var(--cor-borda);
  font-size: 1rem;
  color: var(--cor-texto);
}
.comercial__lista li:last-child { border-bottom: none; }
.comercial__lista strong { color: var(--cor-acento); }

/* ============================================================
   SOBRE
============================================================ */
.sobre { padding: 96px 0; }
.sobre__grid {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 56px;
  align-items: center;
}
.sobre__imagem img {
  border-radius: var(--raio);
  box-shadow: var(--sombra);
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.sobre__texto h2 { font-size: clamp(1.9rem, 3.2vw, 2.4rem); }

/* ============================================================
   GALERIA
============================================================ */
.galeria { padding: 96px 0; background: var(--cor-fundo-alt); }
.galeria__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 190px;
  grid-auto-flow: dense;
  gap: 14px;
}
.galeria__item { border-radius: var(--raio); overflow: hidden; }
.galeria__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.galeria__item:hover img { transform: scale(1.06); }
.galeria__item--tall { grid-row: span 2; }
.galeria__item--wide { grid-column: span 2; }

/* ============================================================
   ÁREA DE ATENDIMENTO
============================================================ */
.atendimento {
  background: var(--cor-escuro);
  padding: 84px 0;
  text-align: center;
}
.cidades {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
}
.cidade {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.85);
  font-size: 0.92rem;
}
.cidade--principal {
  background: var(--cor-acento);
  border-color: var(--cor-acento);
  color: #fff;
  font-weight: 600;
}

/* ============================================================
   FAQ
============================================================ */
.faq { padding: 96px 0; }
.faq__lista {
  max-width: 760px;
  margin: 0 auto;
}
.faq__item {
  border-bottom: 1px solid var(--cor-borda);
  padding: 20px 4px;
}
.faq__item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--cor-texto);
  list-style: none;
  position: relative;
  padding-right: 28px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: -2px;
  font-size: 1.4rem;
  color: var(--cor-acento);
  transition: transform .2s ease;
}
.faq__item[open] summary::after { content: '–'; }
.faq__item p { margin-top: 12px; margin-bottom: 0; }

/* ============================================================
   CTA FINAL
============================================================ */
.cta-final {
  background: linear-gradient(135deg, #0a2436 0%, #2b5978 100%);
  padding: 96px 0;
  text-align: center;
}
.cta-final__content { max-width: 560px; margin: 0 auto; }
.cta-final h2 { color: #fff; font-size: clamp(1.9rem, 3.5vw, 2.5rem); }
.cta-final p { color: rgba(255,255,255,.82); font-size: 1.05rem; margin-bottom: 32px; }

/* ============================================================
   RODAPÉ
============================================================ */
.rodape { background: var(--cor-escuro); color: rgba(255,255,255,.7); padding-top: 64px; }
.rodape__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.rodape__logo-chip {
  display: inline-flex;
  align-items: center;
  background: var(--cor-branco);
  border-radius: 12px;
  padding: 10px 16px;
  margin-bottom: 18px;
  box-shadow: 0 12px 26px -14px rgba(0,0,0,.5);
}
.rodape__logo-chip img { height: 30px; width: auto; display: block; }
.rodape__marca p { color: rgba(255,255,255,.55); font-size: 0.9rem; max-width: 280px; }
.rodape__nav { display: flex; flex-direction: column; gap: 12px; }
.rodape__nav a { color: rgba(255,255,255,.75); font-size: 0.92rem; }
.rodape__nav a:hover { color: var(--cor-acento-claro); }
.rodape__contato a {
  display: inline-block;
  color: #fff;
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.rodape__contato p { color: rgba(255,255,255,.55); font-size: 0.9rem; margin: 0; }
.rodape__contato a.rodape__instagram {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.72);
  font-weight: 500;
  font-size: 0.92rem;
  margin-bottom: 10px;
}
.rodape__instagram svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }
.rodape__base {
  padding: 22px 24px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,.45);
}

/* ============================================================
   WHATSAPP FLUTUANTE
============================================================ */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--cor-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px -6px rgba(37, 211, 102, .55);
  z-index: 80;
  transition: transform .2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* ============================================================
   RESPONSIVO — TABLET
============================================================ */
@media (max-width: 1024px) {
  .header__logo img { height: 40px; }
  .produtos__grid { grid-template-columns: repeat(2, 1fr); }
  .galeria__grid { grid-template-columns: repeat(3, 1fr); }
  .comercial__grid, .sobre__grid { grid-template-columns: 1fr; }
  .sobre__imagem { max-width: 420px; margin: 0 auto; }
  .rodape__grid { grid-template-columns: 1fr 1fr; }
  .rodape__marca { grid-column: span 2; }
}

/* ============================================================
   RESPONSIVO — MOBILE
============================================================ */
@media (max-width: 720px) {
  html { overflow-x: hidden; }
  body { overflow-x: visible; }

  .container { padding: 0 18px; }

  .header__logo img { height: 34px; }

  .header__nav {
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    background: var(--cor-fundo);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 1px solid var(--cor-borda);
    transform: translateY(-130%);
    opacity: 0;
    transition: transform .25s ease, opacity .25s ease;
    margin: 0;
  }
  .header__nav.is-open { transform: translateY(0); opacity: 1; }
  .header__nav a { padding: 12px 0; border-bottom: 1px solid var(--cor-borda); }
  .header__nav a:last-child { border-bottom: none; }
  .header__burger { display: flex; }
  .header__cta { display: none; }

  .hero { min-height: 100svh; }
  .hero__content { padding-top: 40px; padding-bottom: 40px; }
  .hero__actions .btn { width: 100%; }

  .diferenciais__grid { grid-template-columns: 1fr; gap: 14px; padding: 22px 18px; }
  .diferencial { justify-content: flex-start; }

  .produtos, .como-funciona, .comercial, .sobre, .galeria, .faq, .cta-final, .atendimento {
    padding: 64px 0;
  }

  .produtos__grid { grid-template-columns: 1fr; gap: 16px; }
  .produto-card h3 { font-size: 1.05rem; margin: 14px 16px 16px; }

  .passos { grid-template-columns: 1fr; gap: 36px; }

  .galeria__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .galeria__item--wide { grid-column: span 2; }

  .cidades { gap: 10px; }
  .cidade { padding: 9px 16px; font-size: 0.85rem; }

  .rodape__grid { grid-template-columns: 1fr; text-align: left; }
  .rodape__marca { grid-column: span 1; }

  .whatsapp-float { right: 14px; bottom: 14px; width: 52px; height: 52px; }
}

@media (max-width: 420px) {
  .galeria__grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 130px; }
  .hero h1 { font-size: 2rem; }
}