:root {
  --c-primary: #152238; /* Navy Blue */
  --c-accent: #C5A059;  /* Elegant Gold */
  --c-accent-hover: #b08d4b;
  --c-bg: #F9F9F9;
  --c-bg-light: #FFFFFF;
  --c-text: #2C3539;
  --c-text-muted: #666666;
  --c-border: #E5E5E5;
  
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.05);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 4px;
}

* {
  margin: 0; padding: 0; box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

html { scroll-behavior: smooth; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--c-primary);
  line-height: 1.2;
}

/* ==================
   BUTTONS
   ================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--c-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: transparent;
  color: var(--c-accent);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.btn-outline:hover {
  background: var(--c-accent);
  color: #fff;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: #fff;
  transition: color var(--transition);
}
.btn-text:hover { color: var(--c-accent); }
.btn-text i { transition: transform 0.3s ease; }
.btn-text:hover i { transform: translateY(4px); }

/* ==================
   HEADER
   ================== */
.header {
  position: fixed;
  top: 0; width: 100%;
  z-index: 100;
  padding: 24px 0;
  transition: all var(--transition);
  background: transparent;
}
.header.scrolled {
  background: rgba(21, 34, 56, 0.95);
  padding: 16px 0;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}
.logo-icon {
  font-size: 28px;
  color: var(--c-accent);
}
.logo-text h1 {
  font-size: 20px;
  color: #fff;
  margin: 0;
  letter-spacing: 0.05em;
}
.logo-text span {
  font-size: 10px;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ccc;
  display: block;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-desktop a {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  transition: color var(--transition);
}
.nav-desktop a:hover {
  color: var(--c-accent);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
}

/* ==================
   HERO
   ================== */
.hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--c-primary);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(21,34,56,0.9) 0%, rgba(10,18,32,0.95) 100%), url('https://images.unsplash.com/photo-1589829085413-56de8ae18c73?auto=format&fit=crop&q=80') center/cover;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin-top: 60px;
}

.hero-badge {
  display: inline-block;
  color: var(--c-accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 24px;
  position: relative;
  padding-left: 40px;
}
.hero-badge::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 30px; height: 1px;
  background: var(--c-accent);
}

.hero-title {
  font-size: clamp(40px, 6vw, 64px);
  color: #fff;
  margin-bottom: 24px;
}
.hero-title span { color: var(--c-accent); font-style: italic; }

.hero-desc {
  font-size: 18px;
  color: #e2e8f0;
  max-width: 600px;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
}

/* ==================
   SECTIONS & UTILS
   ================== */
.section { padding: 100px 0; }
.bg-light { background: var(--c-bg-light); }

.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  display: block;
  font-family: var(--font-sans);
  color: var(--c-accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title { font-size: 36px; margin-bottom: 24px; }
.section-line {
  width: 60px; height: 2px;
  background: var(--c-accent);
  margin: 0 auto;
}
.section-line.left { margin: 0; margin-bottom: 32px; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* ==================
   ÁREAS DE ATUAÇÃO
   ================== */
.grid-atuacao {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}
.card-atuacao {
  background: var(--c-bg-light);
  padding: 40px 32px;
  border: 1px solid var(--c-border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card-atuacao::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 3px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.card-atuacao:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}
.card-atuacao:hover::after { transform: scaleX(1); }

.card-icon {
  width: 64px; height: 64px;
  background: rgba(197, 160, 89, 0.1);
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  font-size: 28px;
  color: var(--c-accent);
  margin-bottom: 24px;
}
.card-atuacao h3 {
  font-family: var(--font-sans);
  font-size: 18px;
  margin-bottom: 16px;
}
.card-atuacao p { font-size: 14px; color: var(--c-text-muted); }

/* ==================
   SOBRE
   ================== */
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.sobre-img-box {
  position: relative;
}
.img-placeholder {
  width: 100%;
  height: 500px;
  background: linear-gradient(135deg, var(--c-primary), #2a3a52);
  display: flex; align-items: center; justify-content: center;
  font-size: 100px; color: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}
.exp-badge {
  position: absolute;
  bottom: -30px; right: -30px;
  background: var(--c-accent);
  color: #fff;
  padding: 32px;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.exp-badge strong { font-size: 48px; font-family: var(--font-serif); line-height: 1; }
.exp-badge span { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; margin-top: 8px;}

.sobre-content p {
  color: var(--c-text-muted);
  margin-bottom: 20px;
  font-size: 16px;
}
.sobre-list { margin-top: 32px; }
.sobre-list li {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px; font-size: 15px; font-weight: 500;
}
.sobre-list i { color: var(--c-accent); font-size: 18px; }

/* ==================
   FOOTER
   ================== */
.footer {
  background: var(--c-primary);
  color: #fff;
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 64px;
}
.footer-desc { color: #a1a1aa; margin-top: 24px; max-width: 300px; font-size: 14px;}

.footer-info h3, .footer-address h3 {
  font-family: var(--font-sans);
  font-size: 16px;
  color: #fff;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.footer-info a, .footer-address p {
  display: flex; gap: 12px;
  color: #a1a1aa;
  margin-bottom: 16px;
  font-size: 14px;
  transition: color var(--transition);
}
.footer-info a:hover { color: var(--c-accent); }
.footer-info i, .footer-address i { color: var(--c-accent); font-size: 16px; }

.whatsapp-link { color: #22c55e !important; }
.whatsapp-link i { color: #22c55e !important; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px; color: #a1a1aa;
}
.footer-dev a { color: var(--c-accent); font-weight: 600; }
.footer-dev a:hover { text-decoration: underline; }

/* ==================
   RESPONSIVO
   ================== */
@media (max-width: 900px) {
  .nav-desktop { display: none; }
  .mobile-toggle { display: block; }
  .hero-title { font-size: 40px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 20px;}
  .sobre-grid { grid-template-columns: 1fr; gap: 60px; }
  .exp-badge { bottom: 20px; right: 20px; padding: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}