/* ================================================================
   ESTILO DO SITE — CONCRETO USINADO PREMIUM
   Tema: Brutalismo Industrial Refinado — Laranja
   NÃO PRECISA EDITAR ESTE ARQUIVO (a menos que queira mudar cores)
   ================================================================ */

/* ─── RESET & BASE ───────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
  color: #2B2B2B;
  background: #FAFAF5;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ─── VARIÁVEIS DE COR ──────────────────────────────────────── */
:root {
  --laranja: #E8611A;
  --laranja-escuro: #C74E12;
  --cinza-escuro: #2B2B2B;
  --cinza-medio: #6B7280;
  --cinza-claro: #e8e0d4;
  --fundo: #FAFAF5;
  --branco: #ffffff;
}

/* ─── TIPOGRAFIA ─────────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: 'Bebas Neue', 'Arial Black', sans-serif; letter-spacing: 0.05em; line-height: 1.1; }
.text-orange { color: var(--laranja); }
.text-white { color: var(--branco); }
.text-white-60 { color: rgba(255,255,255,0.6); }

/* ─── CONTAINER ──────────────────────────────────────────────── */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

/* ─── BOTÕES ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 2rem; font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem; letter-spacing: 0.1em;
  transition: all 0.3s ease; cursor: pointer; border: none;
}
.btn-primary { background: var(--laranja); color: var(--branco); }
.btn-primary:hover { background: var(--laranja-escuro); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,97,26,0.3); }
.btn-outline { background: transparent; border: 2px solid var(--branco); color: var(--branco); }
.btn-outline:hover { background: var(--branco); color: var(--cinza-escuro); }
.btn-white { background: var(--branco); color: var(--laranja); }
.btn-white:hover { background: var(--cinza-claro); transform: translateY(-2px); }

/* ─── HEADER ─────────────────────────────────────────────────── */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1rem 0; transition: all 0.3s ease;
}
#header.scrolled { background: rgba(43,43,43,0.95); backdrop-filter: blur(10px); padding: 0.5rem 0; box-shadow: 0 2px 20px rgba(0,0,0,0.3); }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon { width: 40px; height: 40px; background: var(--laranja); color: var(--branco); display: flex; align-items: center; justify-content: center; font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; }
.logo-text { display: flex; flex-direction: column; }
.logo-nome { font-family: 'Bebas Neue', sans-serif; font-size: 1.25rem; color: var(--branco); letter-spacing: 0.1em; line-height: 1; }
.logo-sub { font-size: 0.65rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.2em; }
.nav-desktop { display: none; align-items: center; gap: 1.5rem; }
.nav-desktop a { font-family: 'Bebas Neue', sans-serif; color: var(--branco); font-size: 1rem; letter-spacing: 0.1em; transition: color 0.3s; }
.nav-desktop a:hover { color: var(--laranja); }
.btn-orcamento { background: var(--laranja) !important; color: var(--branco) !important; padding: 0.625rem 1.5rem !important; }
.btn-orcamento:hover { background: var(--laranja-escuro) !important; }
@media (min-width: 1024px) { .nav-desktop { display: flex; } .menu-toggle { display: none !important; } }

/* Menu toggle mobile */
.menu-toggle { background: none; border: none; cursor: pointer; display: flex; flex-direction: column; gap: 5px; padding: 0.5rem; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--branco); transition: 0.3s; }
.nav-mobile { display: none; flex-direction: column; background: rgba(43,43,43,0.98); padding: 1rem 2rem 2rem; }
.nav-mobile.open { display: flex; }
.nav-mobile a { font-family: 'Bebas Neue', sans-serif; color: var(--branco); font-size: 1.2rem; padding: 0.75rem 0; border-bottom: 1px solid rgba(255,255,255,0.1); letter-spacing: 0.1em; }
.nav-mobile a:hover { color: var(--laranja); }
.btn-orcamento-mobile { background: var(--laranja); text-align: center; padding: 0.75rem !important; margin-top: 0.5rem; border-bottom: none !important; }

/* ─── HERO ───────────────────────────────────────────────────── */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(43,43,43,0.85) 0%, rgba(43,43,43,0.4) 100%); }
.hero-content { position: relative; z-index: 2; padding: 8rem 0 4rem; max-width: 700px; }
.hero-tag { display: inline-block; font-family: 'Source Sans 3', sans-serif; font-size: 0.85rem; font-weight: 600; color: var(--laranja); text-transform: uppercase; letter-spacing: 0.15em; padding: 0.5rem 1rem; border-left: 3px solid var(--laranja); background: rgba(232,97,26,0.1); margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(3rem, 8vw, 6rem); color: var(--branco); margin-bottom: 1.5rem; }
.hero-subtitle { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 500px; margin-bottom: 2rem; line-height: 1.7; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ─── STATS ──────────────────────────────────────────────────── */
.stats { background: var(--cinza-escuro); padding: 3rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; text-align: center; }
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-number { font-family: 'Bebas Neue', sans-serif; font-size: clamp(2.5rem, 5vw, 4rem); color: var(--laranja); display: block; line-height: 1; }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.15em; margin-top: 0.5rem; display: block; }

/* ─── SECTION HEADER ─────────────────────────────────────────── */
.section-header { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 3rem; }
.section-line { width: 4px; min-height: 60px; background: var(--laranja); flex-shrink: 0; margin-top: 0.25rem; }
.section-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 0.75rem; }
.section-desc { color: var(--cinza-medio); font-size: 1.05rem; max-width: 600px; line-height: 1.7; }

/* ─── SERVIÇOS ───────────────────────────────────────────────── */
.servicos { padding: 5rem 0; background: var(--fundo); }
.servicos-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .servicos-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .servicos-grid { grid-template-columns: repeat(3, 1fr); } }
.servico-card { background: var(--branco); padding: 2rem; border-bottom: 3px solid transparent; transition: all 0.3s ease; }
.servico-card:hover { border-bottom-color: var(--laranja); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); }
.servico-icon { font-size: 2rem; margin-bottom: 1rem; }
.servico-card h3 { font-size: 1.3rem; margin-bottom: 0.75rem; letter-spacing: 0.05em; }
.servico-card p { color: var(--cinza-medio); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1rem; }
.servico-link { font-family: 'Bebas Neue', sans-serif; color: var(--laranja); font-size: 1rem; letter-spacing: 0.05em; transition: 0.3s; }
.servico-link:hover { color: var(--laranja-escuro); }
.servico-cta { background: var(--laranja); color: var(--branco); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.servico-cta h3 { color: var(--branco); }
.servico-cta p { color: rgba(255,255,255,0.85); }

/* ─── BANNER PARALLAX ────────────────────────────────────────── */
.banner-parallax { position: relative; padding: 6rem 0; overflow: hidden; }
.banner-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.banner-overlay { position: absolute; inset: 0; background: rgba(232,97,26,0.85); }
.banner-content { position: relative; z-index: 2; text-align: center; }
.banner-content h2 { font-size: clamp(2rem, 4vw, 3.5rem); color: var(--branco); margin-bottom: 2rem; }

/* ─── DIFERENCIAIS ───────────────────────────────────────────── */
.diferenciais { position: relative; padding: 5rem 0; overflow: hidden; }
.texture-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.15; }
.diferenciais::before { content: ''; position: absolute; inset: 0; background: var(--cinza-escuro); z-index: 0; }
.diferenciais-inner { position: relative; z-index: 2; }
.diferenciais-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .diferenciais-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .diferenciais-grid { grid-template-columns: repeat(3, 1fr); } }
.diferencial-item { display: flex; gap: 1rem; padding: 1.5rem; background: rgba(255,255,255,0.05); border-left: 3px solid var(--laranja); transition: all 0.3s; }
.diferencial-item:hover { background: rgba(255,255,255,0.1); transform: translateX(4px); }
.diferencial-icon { font-size: 1.5rem; flex-shrink: 0; }
.diferencial-item h3 { font-size: 1.1rem; color: var(--branco); margin-bottom: 0.5rem; }
.diferencial-item p { color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.6; }

/* ─── QUEM SOMOS ─────────────────────────────────────────────── */
.quem-somos { padding: 5rem 0; background: var(--fundo); }
.quem-somos-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 1024px) { .quem-somos-grid { grid-template-columns: 1fr 1fr; } }
.quem-somos-img { position: relative; }
.quem-somos-img img { width: 100%; height: 400px; object-fit: cover; }
.quem-somos-badge { position: absolute; bottom: -20px; right: 20px; background: var(--laranja); color: var(--branco); padding: 1rem 1.5rem; text-align: center; }
.badge-number { font-family: 'Bebas Neue', sans-serif; font-size: 2.5rem; display: block; line-height: 1; }
.badge-text { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; }
.quem-somos-deco { position: absolute; top: -15px; left: -15px; width: 80px; height: 80px; border: 3px solid var(--laranja); z-index: -1; }
.quem-somos-content p { color: var(--cinza-medio); font-size: 1rem; line-height: 1.7; margin-bottom: 1rem; }
.valores-list { margin: 1.5rem 0; }
.valores-list li { padding: 0.5rem 0; color: var(--cinza-escuro); font-weight: 600; }

/* ─── CTA BANNER ─────────────────────────────────────────────── */
.cta-banner { position: relative; padding: 5rem 0; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cta-overlay { position: absolute; inset: 0; background: rgba(43,43,43,0.88); }
.cta-content { position: relative; z-index: 2; text-align: center; }
.cta-content h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); color: var(--branco); margin-bottom: 1rem; }
.cta-content p { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }

/* ─── FAQ ────────────────────────────────────────────────────── */
.faq { padding: 5rem 0; background: var(--fundo); }
.faq-list { max-width: 800px; }
.faq-item { border-bottom: 1px solid var(--cinza-claro); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 1.25rem 0; background: none; border: none; cursor: pointer; text-align: left; font-family: 'Bebas Neue', sans-serif; font-size: 1.2rem; color: var(--cinza-escuro); letter-spacing: 0.05em; transition: color 0.3s; }
.faq-question:hover { color: var(--laranja); }
.faq-arrow { color: var(--laranja); font-size: 0.8rem; transition: transform 0.3s; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 1.25rem; }
.faq-answer p { color: var(--cinza-medio); font-size: 0.95rem; line-height: 1.7; padding-right: 2rem; }
.faq-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; background: var(--cinza-escuro); padding: 2rem; margin-top: 3rem; }
.faq-cta-icon { font-size: 2rem; }
.faq-cta-text { flex: 1; min-width: 200px; }
.faq-cta-text h3 { font-size: 1.2rem; color: var(--branco); margin-bottom: 0.25rem; }
.faq-cta-text p { color: rgba(255,255,255,0.6); font-size: 0.9rem; }

/* ─── CONTATO ────────────────────────────────────────────────── */
.contato { padding: 5rem 0; background: var(--branco); }
.contato-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .contato-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .contato-grid { grid-template-columns: repeat(4, 1fr); } }
.contato-card { padding: 2rem; background: var(--fundo); border-top: 3px solid transparent; transition: all 0.3s; }
.contato-card:hover { border-top-color: var(--laranja); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.contato-icon { font-size: 1.5rem; margin-bottom: 1rem; }
.contato-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.contato-card p { color: var(--cinza-medio); font-size: 0.9rem; margin-bottom: 0.75rem; }
.contato-valor { font-weight: 700; color: var(--laranja); font-size: 0.95rem; }
a.contato-valor:hover { text-decoration: underline; }
.contato-cta-card { background: var(--cinza-escuro); }
.contato-cta-card h3 { color: var(--branco); }
.contato-cta-card p { color: rgba(255,255,255,0.6); }

/* ─── FOOTER ─────────────────────────────────────────────────── */
.footer { background: var(--cinza-escuro); padding: 4rem 0 0; color: var(--branco); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-bottom: 3rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-logo { margin-bottom: 1rem; }
.footer-desc { color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.7; }
.footer-col h4 { font-family: 'Bebas Neue', sans-serif; font-size: 1.1rem; color: var(--laranja); margin-bottom: 1rem; letter-spacing: 0.1em; }
.footer-col ul li { padding: 0.35rem 0; }
.footer-col ul li a { color: rgba(255,255,255,0.6); transition: color 0.3s; font-size: 0.9rem; }
.footer-col ul li a:hover { color: var(--laranja); }
.footer-col ul li { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 1.5rem 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; }
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 0.85rem; }

/* ─── BOTÃO FLUTUANTE WHATSAPP ───────────────────────────────── */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  transition: transform 0.3s, box-shadow 0.3s;
  animation: pulse-whatsapp 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,0.5); }
@keyframes pulse-whatsapp {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ─── ANIMAÇÕES DE SCROLL ────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVO ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-content { padding: 7rem 0 3rem; }
  .hero-title { font-size: 3rem; }
  .faq-cta { flex-direction: column; text-align: center; }
}