/* ============================================================
   IDEAL RT ILUMINAÇÃO — style.css
   Paleta:
     Fundo principal ......... #C2B8AC  (cimento claro)
     Texto escuro ............ #222222
     Texto sobre escuro ...... #FFFFFF
     Destaque/couro .......... #8A5A3C
     Botões .................. #D3CFCA
     Texto de botão .......... #333333
============================================================ */


/* ─── 1. RESET & VARIÁVEIS CSS ─────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --cor-fundo:      #C2B8AC;
  --cor-texto:      #222222;
  --cor-branco:     #FFFFFF;
  --cor-destaque:   #8A5A3C;
  --cor-botao:      #D3CFCA;
  --cor-texto-btn:  #333333;
  --cor-fundo-dark: #1a1a1a;
  --cor-sobre:      #EDE8E3;

  --font-titulo: 'Raleway', sans-serif;
  --font-texto:  'Open Sans', sans-serif;

  --transition: 0.35s ease;
  --radius: 4px;
  --sombra: 0 8px 32px rgba(0,0,0,0.13);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-texto);
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
  line-height: 1.7;
  overflow-x: hidden;
}

ul {
  list-style: none;
}

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

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


/* ─── 2. UTILITÁRIOS GERAIS ─────────────────────────────────── */

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-pre {
  font-family: var(--font-titulo);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--cor-destaque);
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-titulo);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cor-texto);
  line-height: 1.2;
}

.section-title span {
  color: var(--cor-destaque);
  font-weight: 600;
}

.section-divider {
  width: 50px;
  height: 2px;
  background-color: var(--cor-destaque);
  margin: 20px auto 0;
}

.section-divider.left {
  margin-left: 0;
}


/* ─── 3. BOTÕES ─────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  font-family: var(--font-titulo);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color var(--transition),
              color var(--transition),
              transform var(--transition),
              box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--cor-texto);
  color: var(--cor-branco);
}

.btn-primary:hover {
  background-color: var(--cor-destaque);
}

.btn-whatsapp {
  background-color: #25D366;
  color: var(--cor-branco);
  padding: 12px 26px;
}

.btn-whatsapp:hover {
  background-color: #1ebe5d;
}

.btn-whatsapp-big {
  padding: 16px 40px;
  font-size: 0.9rem;
  width: 100%;
  justify-content: center;
  margin-bottom: 32px;
  border-radius: var(--radius);
}


/* ─── 4. NAVBAR ─────────────────────────────────────────────── */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 22px 0;
  background-color: transparent;
  transition: background-color var(--transition),
              padding var(--transition),
              box-shadow var(--transition);
}

.navbar.scrolled {
  background-color: rgba(34, 34, 34, 0.97);
  padding: 14px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.nav-container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-titulo);
  font-size: 1.15rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cor-branco);
  transition: color var(--transition);
}

.nav-logo span {
  font-weight: 700;
  color: var(--cor-destaque);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-link {
  font-family: var(--font-titulo);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cor-branco);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--cor-destaque);
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--cor-destaque);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.ativo {
  color: var(--cor-destaque);
}

.nav-link.ativo::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--cor-branco);
  border-radius: 2px;
  transition: transform var(--transition),
              opacity var(--transition);
}

.nav-toggle.aberto .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle.aberto .bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle.aberto .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}


/* ─── 5. HERO ───────────────────────────────────────────────── */

.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-image: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1800&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(20, 15, 10, 0.65) 0%,
    rgba(20, 15, 10, 0.50) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 0 24px;
}

.hero-pre-title {
  font-family: var(--font-titulo);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--cor-destaque);
  margin-bottom: 20px;
  opacity: 0.9;
}

.hero-title {
  font-family: var(--font-titulo);
  font-size: clamp(2.6rem, 8vw, 5.5rem);
  font-weight: 200;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cor-branco);
  line-height: 1.1;
  margin-bottom: 28px;
}

.hero-title span {
  font-weight: 700;
  color: var(--cor-destaque);
  display: block;
}

.hero-subtitle {
  font-family: var(--font-texto);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.05em;
  line-height: 1.8;
  margin-bottom: 44px;
}


/* ─── 6. SEÇÃO PRODUTOS ─────────────────────────────────────── */

.produtos {
  background-color: var(--cor-fundo);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* Card sem fundo branco */
.product-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--sombra);
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.16);
}

/* Área da imagem com position relative para o overlay */
.product-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

/* Overlay com nome sobre a imagem */
.product-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 16px 18px;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.50),
    rgba(0,0,0,0.0)
  );
}

.product-name {
  font-family: var(--font-titulo);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #FFFFFF;
}


/* ─── 7. SEÇÃO SOBRE ────────────────────────────────────────── */

.sobre {
  background-color: var(--cor-sobre);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.sobre-image {
  position: relative;
}

.sobre-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--sombra);
  position: relative;
  z-index: 1;
}

.sobre-image::before {
  content: '';
  position: absolute;
  top: -16px;
  left: -16px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--cor-destaque);
  border-radius: var(--radius);
  z-index: 0;
}

.sobre-text .section-pre {
  margin-bottom: 8px;
}

.sobre-text .section-title {
  text-align: left;
  margin-bottom: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.sobre-text p {
  margin-top: 24px;
  font-size: 0.95rem;
  color: #444;
  line-height: 1.9;
}

.sobre-text p strong {
  color: var(--cor-destaque);
}

.sobre-diferenciais {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sobre-diferenciais li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-titulo);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cor-texto);
}

.sobre-diferenciais li i {
  color: var(--cor-destaque);
  font-size: 1rem;
  flex-shrink: 0;
}


/* ─── 8. SEÇÃO CONTATO ──────────────────────────────────────── */

.contato {
  background-color: var(--cor-fundo-dark);
}

.contato .section-pre,
.contato .section-title {
  color: var(--cor-branco);
}

.contato .section-title span {
  color: var(--cor-destaque);
}

.contato .section-divider {
  background-color: var(--cor-destaque);
}

.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contato-detalhes {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contato-detalhes li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

.contato-detalhes li i {
  color: var(--cor-destaque);
  font-size: 1rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.contato-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-titulo);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background-color: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  color: var(--cor-branco);
  font-family: var(--font-texto);
  font-size: 0.9rem;
  transition: border-color var(--transition), background-color var(--transition);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cor-destaque);
  background-color: rgba(255,255,255,0.10);
}

.form-group input.erro,
.form-group textarea.erro {
  border-color: #e74c3c;
}

.form-error {
  font-size: 0.75rem;
  color: #e74c3c;
  min-height: 16px;
  display: block;
}

.form-success {
  display: none;
  margin-top: 10px;
  padding: 14px 18px;
  background-color: rgba(37, 211, 102, 0.15);
  border: 1px solid #25D366;
  border-radius: var(--radius);
  color: #25D366;
  font-size: 0.88rem;
  text-align: center;
}

.contato-form .btn-primary {
  width: 100%;
  justify-content: center;
}


/* ─── 9. RODAPÉ ─────────────────────────────────────────────── */

.footer {
  background-color: #111111;
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-titulo);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cor-branco);
}

.footer-logo span {
  font-weight: 700;
  color: var(--cor-destaque);
}

.footer-copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-family: var(--font-titulo);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--cor-destaque);
}


/* ─── 10. RESPONSIVIDADE ────────────────────────────────────── */

@media (max-width: 1024px) {

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sobre-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .sobre-image::before {
    display: none;
  }

  .contato-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {

  .section {
    padding: 72px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background-color: rgba(20, 15, 10, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
    transition: right var(--transition);
    z-index: 999;
  }

  .nav-menu.aberto {
    right: 0;
  }

  .nav-link {
    font-size: 0.85rem;
    letter-spacing: 0.25em;
  }

  .hero {
    background-attachment: scroll;
  }

  .hero-subtitle br {
    display: none;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .sobre-text .section-title {
    text-align: center;
  }

  .section-divider.left {
    margin-left: auto;
  }

  .btn-whatsapp-big {
    font-size: 0.82rem;
    padding: 14px 24px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
}

@media (max-width: 480px) {

  .hero-title {
    letter-spacing: 0.18em;
  }

  .section-title {
    letter-spacing: 0.1em;
  }

  .products-grid {
    gap: 20px;
  }

  .sobre-grid {
    gap: 32px;
  }

  .contato-grid {
    gap: 28px;
  }
}