/* ============================================
   Turismo Inteligente — CSS Base
   Descomplica Comunicação
   ============================================ */

/* ---------- Variáveis ---------- */
:root {
  /* Cores */
  --color-bg: #F8F6F1;
  --color-bg-warm: #F0EDE6;
  --color-sand: #E8E3DA;
  --color-green: #1B3A2F;
  --color-green-light: #2D5A48;
  --color-petrol: #1E3A4C;
  --color-gold: #C9A84C;
  --color-gold-light: #E4C875;
  --color-gold-dark: #A08332;
  --gradient-green-gold: linear-gradient(135deg, #1B3A2F 0%, #234B3D 40%, #2A5A48 70%, #3A6A52 100%);
  --gradient-gold-green: linear-gradient(135deg, #1B3A2F 0%, #234B3D 50%, #1B3A2F 100%);
  --gradient-gold-shine: linear-gradient(135deg, rgba(201,168,76,0.15) 0%, transparent 50%, rgba(201,168,76,0.08) 100%);
  --color-text: #2C2C2C;
  --color-text-light: #5A5A5A;
  --color-text-muted: #8A8A8A;
  --color-white: #FFFFFF;
  --color-border: rgba(27, 58, 47, 0.12);

  /* Tipografia */
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Tamanhos */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

  /* Espaçamento */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Bordas */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.08);
  --shadow-xl: 0 24px 48px rgba(0,0,0,0.1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Tipografia ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-green);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

.text-serif { font-family: var(--font-serif); }
.text-sans { font-family: var(--font-sans); }

.text-gold { color: var(--color-gold); }
.text-green { color: var(--color-green); }
.text-light { color: var(--color-text-light); }
.text-muted { color: var(--color-text-muted); }

.label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.section {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.section-sm {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 246, 241, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease;
}

.header::before {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-gold) 50%, transparent 100%);
  opacity: 0.4;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-green);
  line-height: 1.1;
}

.logo-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-desktop a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-light);
  transition: color 0.2s ease;
  position: relative;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--color-green);
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width 0.3s ease;
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: var(--color-white) !important;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(201,168,76,0.25);
}

.nav-cta:hover {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(201,168,76,0.35);
}

.nav-cta::after { display: none !important; }

/* Mobile menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-green);
  transition: all 0.3s ease;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-green-light) 100%);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(27,58,47,0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-green-light) 0%, #3D7A60 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(27,58,47,0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-green);
  border: 1.5px solid var(--color-green);
}

.btn-outline:hover {
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-green-light) 100%);
  color: var(--color-white);
  border-color: transparent;
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-white);
}

.btn-gold:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: var(--space-16);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(248,246,241,0.97) 0%, rgba(248,246,241,0.85) 45%, rgba(248,246,241,0.2) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.hero-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero-title em {
  font-style: italic;
  color: var(--color-gold);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  max-width: 520px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-10);
}

.stat {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.stat-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: var(--text-lg);
  box-shadow: 0 4px 12px rgba(201,168,76,0.25);
}

.stat-value {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-border);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

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

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

.card-content {
  padding: var(--space-6);
}

.card-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-green);
  margin-bottom: var(--space-2);
}

.card-text {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold);
  transition: gap 0.2s ease;
}

.card-link:hover {
  gap: var(--space-2);
}

/* ---------- Seção Tese ---------- */
.tese-section {
  background: var(--gradient-green-gold);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.tese-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(201,168,76,0.18) 0%, transparent 60%);
  pointer-events: none;
}

.tese-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--color-gold) 50%, transparent 100%);
  opacity: 0.5;
}

.tese-section h2 {
  color: var(--color-white);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}

.tese-section p {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-lg);
  line-height: 1.7;
}

.tese-highlight {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-gold-light);
  border-left: 3px solid var(--color-gold);
  padding-left: var(--space-6);
  margin-top: var(--space-8);
  line-height: 1.5;
}

/* ---------- Grid de Vertentes ---------- */
.vertentes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.vertente-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  cursor: pointer;
}

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

.vertente-card:hover img {
  transform: scale(1.08);
}

.vertente-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(27,58,47,0.92) 0%, rgba(27,58,47,0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  transition: background 0.3s ease;
}

.vertente-card:hover .vertente-overlay {
  background: linear-gradient(to top, rgba(27,58,47,0.96) 0%, rgba(27,58,47,0.4) 60%, transparent 100%);
}

.vertente-icon {
  width: 40px;
  height: 40px;
  background: var(--color-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

.vertente-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.vertente-desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.vertente-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold-light);
  transition: gap 0.2s ease;
}

.vertente-card:hover .vertente-link {
  gap: var(--space-2);
}

/* ---------- Seção Como Fazemos ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.step-number {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  background: var(--color-bg);
  display: inline-block;
  padding: 0 var(--space-4);
}

.step-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-green);
  margin-bottom: var(--space-2);
}

.step-text {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ---------- Cases ---------- */
.case-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 48px rgba(27,58,47,0.12), 0 0 0 1px rgba(201,168,76,0.08);
}

.case-featured-image {
  position: relative;
  min-height: 480px;
}

.case-featured-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-featured-content {
  padding: var(--space-12);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(135deg, #1B3A2F 0%, #234B3D 50%, #1B3A2F 100%);
  color: var(--color-white);
  position: relative;
}

.case-featured-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 50%, var(--color-gold) 100%);
  opacity: 0.6;
}

.case-featured-content .case-label {
  color: var(--color-gold-light);
}

.case-featured-content .case-title {
  color: var(--color-white);
}

.case-featured-content .case-text {
  color: rgba(255,255,255,0.8);
}

.case-featured-content .case-meta-value {
  color: var(--color-white);
  background: none;
  -webkit-text-fill-color: initial;
}

.case-featured-content .case-meta-label {
  color: rgba(255,255,255,0.6);
}

.case-featured-content .btn-primary {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  box-shadow: 0 4px 12px rgba(201,168,76,0.25);
}

.case-featured-content .btn-primary:hover {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
  box-shadow: 0 6px 16px rgba(201,168,76,0.35);
}

.case-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.case-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  color: var(--color-green);
  margin-bottom: var(--space-4);
}

.case-meta {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-6);
}

.case-meta-item {
  text-align: center;
}

.case-meta-value {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-green);
}

.case-meta-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.case-text {
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

/* ---------- IA Section ---------- */
.ia-section {
  background: var(--color-bg-warm);
}

.ia-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.ia-content h2 {
  margin-bottom: var(--space-6);
}

.ia-content p {
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.ia-highlight {
  background: var(--color-white);
  border-left: 4px solid var(--color-gold);
  padding: var(--space-6) var(--space-8);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-green);
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
}

.ia-visual {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.ia-card {
  background: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ia-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.ia-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  box-shadow: 0 4px 12px rgba(201,168,76,0.25);
}

.ia-card-title {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--color-green);
  margin-bottom: var(--space-1);
}

.ia-card-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--gradient-green-gold);
  color: var(--color-white);
  padding-top: var(--space-20);
  padding-bottom: var(--space-8);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--color-gold) 50%, transparent 100%);
  opacity: 0.5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.footer-desc {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 320px;
}

.footer-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
}

/* ---------- Formulários ---------- */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-green);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(184,150,63,0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

/* ---------- Utilitários ---------- */
.text-center { text-align: center; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.max-w-3xl { max-width: 768px; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---------- Page Header ---------- */
.page-header {
  padding-top: 140px;
  padding-bottom: var(--space-16);
  background: var(--gradient-green-gold);
  color: var(--color-white);
  text-align: center;
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--color-gold) 50%, transparent 100%);
  opacity: 0.5;
}

.page-header h1 {
  color: var(--color-white);
  font-size: clamp(var(--text-4xl), 5vw, var(--text-5xl));
  margin-bottom: var(--space-4);
}

.page-header p {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-lg);
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.breadcrumb a:hover {
  color: var(--color-green);
}

/* ---------- Filter Tabs ---------- */
.filter-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.filter-tab {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  color: var(--color-text-light);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.filter-tab:hover,
.filter-tab.active {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: var(--color-white);
  border-color: var(--color-gold);
  box-shadow: 0 4px 12px rgba(201,168,76,0.2);
}

/* ---------- Content Cards (Blog) ---------- */
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.content-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.content-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

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

.content-card-body {
  padding: var(--space-6);
}

.content-card-category {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

.content-card-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-green);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.content-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .vertentes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps::before {
    display: none;
  }

  .case-featured {
    grid-template-columns: 1fr;
  }

  .case-featured-image {
    min-height: 300px;
  }

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

  .ia-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

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

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-6);
  }

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

  .vertente-card {
    aspect-ratio: 16 / 9;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .step {
    text-align: left;
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: var(--space-4);
    align-items: start;
  }

  .step-number {
    padding: 0;
    margin-bottom: 0;
  }

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

  .ia-visual {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

/* ---------- Mobile Menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-bg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu a {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--color-green);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu .nav-cta {
  margin-top: auto;
  text-align: center;
  justify-content: center;
}

.mobile-close {
  align-self: flex-end;
  font-size: var(--text-2xl);
  color: var(--color-green);
  padding: var(--space-2);
}

/* ---------- Placeholders de imagem ---------- */
.img-placeholder {
  background: linear-gradient(135deg, var(--color-sand) 0%, var(--color-bg-warm) 50%, var(--color-sand) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}

.img-placeholder::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 50%);
}

.img-placeholder::after {
  content: 'Imagem em breve';
  font-family: var(--font-serif);
  font-style: italic;
  position: relative;
  z-index: 1;
}