/* ============================================================
   BRIEFING NAUTICO - Landing Page Styles
   Identidade Visual: NautiBook

   PALETA DE CORES (Justificativa):
   - Azul Profundo (#0A1628): Confianca, profissionalismo, profundidade do mar
   - Azul Oceano (#1565C0): Agua do oceano, tecnologia, credibilidade
   - Azul Claro (#42A5F5): Ceu limpo, dia de passeio, otimismo
   - Turquesa (#00BCD4): Aguas tropicais do Brasil, frescor, modernidade
   - Laranja Sol (#FF6D00): Por-do-sol no mar, CTA, energia, urgencia positiva
   - Branco Areia (#F8F9FA): Limpeza, espaco, praia
   - Dourado (#FFB300): Premium, confianca, selo de qualidade

   TIPOGRAFIA:
   - Titulos: 'Plus Jakarta Sans' - moderna, premium, legivel
   - Corpo: 'Inter' - neutra, excelente legibilidade em telas
   - Mono: 'JetBrains Mono' - dados tecnicos, metricas

   PUBLICO-ALVO CONSIDERADO:
   - Empresas de turismo nautico (35-55 anos, decisores)
   - Tech-savvy moderado, preferem clareza sobre complexidade
   - Precisam ver valor rapido e dados concretos
   - Mobile-first (80%+ dos viajantes usam smartphone)
   ============================================================ */

/* === RESET E BASE === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Cores Primarias */
  --azul-profundo: #0A1628;
  --azul-oceano: #1565C0;
  --azul-claro: #42A5F5;
  --turquesa: #00BCD4;
  --turquesa-escuro: #00838F;

  /* Cores de Destaque */
  --laranja-sol: #FF6D00;
  --laranja-hover: #E65100;
  --dourado: #FFB300;
  --dourado-claro: #FFD54F;

  /* Neutras */
  --branco: #FFFFFF;
  --branco-areia: #F8F9FA;
  --cinza-claro: #E8EDF2;
  --cinza-medio: #94A3B8;
  --cinza-escuro: #475569;
  --texto-principal: #1E293B;
  --texto-secundario: #64748B;

  /* Semanticas */
  --sucesso: #10B981;
  --alerta: #F59E0B;
  --erro: #EF4444;
  --info: #3B82F6;

  /* Gradientes */
  --grad-oceano: linear-gradient(135deg, #0A1628 0%, #1565C0 50%, #00BCD4 100%);
  --grad-hero: linear-gradient(180deg, #0A1628 0%, #0D2137 40%, #1565C0 100%);
  --grad-card: linear-gradient(135deg, #FFFFFF 0%, #F0F7FF 100%);
  --grad-cta: linear-gradient(135deg, #FF6D00 0%, #FF8F00 100%);
  --grad-section-alt: linear-gradient(180deg, #F8F9FA 0%, #E8EDF2 100%);

  /* Sombras */
  --sombra-sm: 0 1px 3px rgba(10, 22, 40, 0.08);
  --sombra-md: 0 4px 12px rgba(10, 22, 40, 0.12);
  --sombra-lg: 0 8px 30px rgba(10, 22, 40, 0.16);
  --sombra-xl: 0 20px 60px rgba(10, 22, 40, 0.2);
  --sombra-glow: 0 0 40px rgba(0, 188, 212, 0.3);

  /* Espacamento */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Bordas */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transicoes */
  --trans-fast: 150ms ease;
  --trans-normal: 300ms ease;
  --trans-slow: 500ms ease;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--texto-principal);
  background-color: var(--branco);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === TIPOGRAFIA === */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

p {
  margin-bottom: var(--space-md);
  color: var(--texto-secundario);
}

a {
  color: var(--azul-oceano);
  text-decoration: none;
  transition: color var(--trans-fast);
}

a:hover,
a:focus {
  color: var(--turquesa);
}

.mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* === UTILIDADES === */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section-padding {
  padding: var(--space-5xl) 0;
}

.text-center { text-align: center; }
.text-white { color: var(--branco); }
.text-turquesa { color: var(--turquesa); }
.text-laranja { color: var(--laranja-sol); }
.text-dourado { color: var(--dourado); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--turquesa {
  background: rgba(0, 188, 212, 0.15);
  color: var(--turquesa);
  border: 1px solid rgba(0, 188, 212, 0.3);
}

.badge--laranja {
  background: rgba(255, 109, 0, 0.15);
  color: var(--laranja-sol);
  border: 1px solid rgba(255, 109, 0, 0.3);
}

.badge--sucesso {
  background: rgba(16, 185, 129, 0.15);
  color: var(--sucesso);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge--dourado {
  background: rgba(255, 179, 0, 0.15);
  color: var(--dourado);
  border: 1px solid rgba(255, 179, 0, 0.3);
}

/* === SECAO TITULO === */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
  color: var(--texto-principal);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--texto-secundario);
}

.section-header .section-number {
  display: inline-block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  border-radius: var(--radius-full);
  background: var(--grad-cta);
  color: var(--branco);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

/* === HEADER / NAV === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 1000;
  transition: all var(--trans-normal);
}

.header.scrolled {
  background: rgba(10, 22, 40, 0.95);
  box-shadow: var(--sombra-lg);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--branco);
}

.logo-icon {
  font-size: 1.6rem;
}

.logo span {
  background: linear-gradient(135deg, var(--turquesa) 0%, var(--azul-claro) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--trans-fast);
  position: relative;
}

.nav a:hover,
.nav a:focus,
.nav a.active {
  color: var(--branco);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--turquesa);
  transition: width var(--trans-normal);
}

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

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--branco);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--grad-hero);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(0, 188, 212, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(21, 101, 192, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(66, 165, 245, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-waves {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  overflow: hidden;
}

.hero-waves svg {
  width: 100%;
  height: 100%;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-5xl);
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(0, 188, 212, 0.12);
  border: 1px solid rgba(0, 188, 212, 0.25);
  border-radius: var(--radius-full);
  color: var(--turquesa);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
}

.hero h1 {
  color: var(--branco);
  margin-bottom: var(--space-lg);
  line-height: 1.15;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--turquesa) 0%, var(--azul-claro) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--turquesa);
  line-height: 1.1;
}

.hero-stat .label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-mockup {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.1) 0%, rgba(21, 101, 192, 0.15) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  box-shadow: var(--sombra-xl), var(--sombra-glow);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(10, 22, 40, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mockup-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.mockup-dot--red { background: #FF5F57; }
.mockup-dot--yellow { background: #FEBC2E; }
.mockup-dot--green { background: #28C840; }

.mockup-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mockup-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.mockup-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.mockup-card-icon--blue { background: rgba(21, 101, 192, 0.3); }
.mockup-card-icon--teal { background: rgba(0, 188, 212, 0.3); }
.mockup-card-icon--orange { background: rgba(255, 109, 0, 0.3); }
.mockup-card-icon--gold { background: rgba(255, 179, 0, 0.3); }

.mockup-card-text {
  flex: 1;
}

.mockup-card-title {
  color: var(--branco);
  font-size: 0.85rem;
  font-weight: 600;
}

.mockup-card-sub {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
}

.floating-badge {
  position: absolute;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  color: var(--branco);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  animation: floatBadge 3s ease-in-out infinite;
}

.floating-badge--top {
  top: -10px;
  right: -20px;
  animation-delay: 0s;
}

.floating-badge--bottom {
  bottom: 20px;
  left: -30px;
  animation-delay: 1.5s;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* === MERCADO SECTION === */
.section-mercado {
  background: var(--branco-areia);
  position: relative;
}

.mercado-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.metric-card {
  background: var(--branco);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--cinza-claro);
  transition: all var(--trans-normal);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-oceano);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--trans-normal);
}

.metric-card:hover,
.metric-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--sombra-lg);
}

.metric-card:hover::before,
.metric-card:focus-within::before {
  transform: scaleX(1);
}

.metric-card .icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.metric-card .icon--blue { background: rgba(21, 101, 192, 0.1); }
.metric-card .icon--teal { background: rgba(0, 188, 212, 0.1); }
.metric-card .icon--orange { background: rgba(255, 109, 0, 0.1); }
.metric-card .icon--gold { background: rgba(255, 179, 0, 0.1); }
.metric-card .icon--green { background: rgba(16, 185, 129, 0.1); }
.metric-card .icon--red { background: rgba(239, 68, 68, 0.1); }

.metric-card .value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--texto-principal);
  margin-bottom: var(--space-xs);
}

.metric-card .metric-label {
  font-size: 0.9rem;
  color: var(--texto-secundario);
  font-weight: 500;
}

.metric-card .metric-desc {
  font-size: 0.8rem;
  color: var(--cinza-medio);
  margin-top: var(--space-sm);
  line-height: 1.5;
}

.metric-card .metric-source {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: 0.7rem;
  color: var(--cinza-medio);
  padding: 2px 8px;
  background: var(--cinza-claro);
  border-radius: var(--radius-full);
}

/* === PROBLEMAS SECTION === */
.section-problemas {
  background: var(--azul-profundo);
  color: var(--branco);
  position: relative;
}

.section-problemas .section-header h2 {
  color: var(--branco);
}

.section-problemas .section-header p {
  color: rgba(255, 255, 255, 0.6);
}

.problemas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.problema-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--trans-normal);
}

.problema-card:hover,
.problema-card:focus-within {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 188, 212, 0.3);
  transform: translateY(-4px);
}

.problema-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.problema-num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(239, 68, 68, 0.2);
  color: #EF4444;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.problema-titulo {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--branco);
}

.problema-dado {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

.solucao-box {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.solucao-box .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sucesso);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.solucao-box p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* === FUNCIONALIDADES === */
.section-funcionalidades {
  background: var(--branco);
}

.func-phases {
  display: flex;
  flex-direction: column;
  gap: var(--space-4xl);
}

.func-phase {
  position: relative;
}

.phase-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.phase-badge {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.phase-badge--mvp {
  background: rgba(255, 109, 0, 0.1);
  color: var(--laranja-sol);
  border: 1px solid rgba(255, 109, 0, 0.3);
}

.phase-badge--diff {
  background: rgba(0, 188, 212, 0.1);
  color: var(--turquesa);
  border: 1px solid rgba(0, 188, 212, 0.3);
}

.phase-badge--scale {
  background: rgba(255, 179, 0, 0.1);
  color: var(--dourado);
  border: 1px solid rgba(255, 179, 0, 0.3);
}

.phase-title {
  font-size: 1.3rem;
  color: var(--texto-principal);
}

.phase-desc {
  color: var(--texto-secundario);
  font-size: 0.9rem;
}

.func-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.func-card {
  background: var(--branco);
  border: 1px solid var(--cinza-claro);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--trans-normal);
}

.func-card:hover,
.func-card:focus-within {
  border-color: var(--azul-claro);
  box-shadow: var(--sombra-md);
  transform: translateY(-2px);
}

.func-card .func-icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
}

.func-card h4 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  color: var(--texto-principal);
}

.func-card p {
  font-size: 0.88rem;
  color: var(--texto-secundario);
  margin-bottom: var(--space-md);
}

.func-card .justificativa {
  font-size: 0.8rem;
  color: var(--azul-oceano);
  padding: var(--space-sm) var(--space-md);
  background: rgba(21, 101, 192, 0.06);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--azul-oceano);
}

/* === DECISOES TECNICAS === */
.section-decisoes {
  background: var(--grad-section-alt);
}

.decisao-item {
  background: var(--branco);
  border-radius: var(--radius-lg);
  border: 1px solid var(--cinza-claro);
  margin-bottom: var(--space-xl);
  overflow: hidden;
  transition: all var(--trans-normal);
}

.decisao-item:hover,
.decisao-item:focus-within {
  box-shadow: var(--sombra-md);
}

.decisao-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  cursor: pointer;
  user-select: none;
}

.decisao-header:hover,
.decisao-header:focus {
  background: rgba(21, 101, 192, 0.02);
}

.decisao-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.decisao-info {
  flex: 1;
}

.decisao-info h4 {
  font-size: 1rem;
  color: var(--texto-principal);
}

.decisao-info .chosen {
  font-size: 0.85rem;
  color: var(--turquesa);
  font-weight: 600;
}

.decisao-toggle {
  font-size: 1.2rem;
  color: var(--cinza-medio);
  transition: transform var(--trans-normal);
}

.decisao-item.open .decisao-toggle {
  transform: rotate(180deg);
}

.decisao-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--trans-slow);
}

.decisao-item.open .decisao-body {
  max-height: 1200px;
}

.decisao-content {
  padding: 0 var(--space-xl) var(--space-xl);
  border-top: 1px solid var(--cinza-claro);
  padding-top: var(--space-xl);
}

.decisao-razao {
  background: rgba(0, 188, 212, 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.decisao-razao h5 {
  font-size: 0.85rem;
  color: var(--turquesa-escuro);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.decisao-razao p {
  font-size: 0.9rem;
  color: var(--texto-secundario);
  margin-bottom: 0;
}

.alternativas-lista {
  list-style: none;
}

.alternativas-lista li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--cinza-claro);
  font-size: 0.9rem;
}

.alternativas-lista li:last-child {
  border-bottom: none;
}

.alt-status {
  flex-shrink: 0;
  font-size: 1.1rem;
}

.alt-info .alt-name {
  font-weight: 600;
  color: var(--texto-principal);
}

.alt-info .alt-reason {
  color: var(--texto-secundario);
  font-size: 0.85rem;
}

/* === IDENTIDADE VISUAL === */
.section-identidade {
  background: var(--azul-profundo);
  color: var(--branco);
}

.section-identidade .section-header h2 {
  color: var(--branco);
}

.section-identidade .section-header p {
  color: rgba(255, 255, 255, 0.6);
}

.identidade-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.paleta-cores {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-md);
}

.cor-item {
  text-align: center;
}

.cor-swatch {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.cor-nome {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--branco);
}

.cor-hex {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.5);
  font-family: 'JetBrains Mono', monospace;
}

.cor-uso {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 2px;
}

.identidade-info h3 {
  color: var(--branco);
  margin-bottom: var(--space-xl);
}

.identidade-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.identidade-item h4 {
  color: var(--turquesa);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.identidade-item p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
  margin-bottom: 0;
}

/* === STACK TECNICA === */
.section-stack {
  background: var(--branco);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.stack-card {
  background: var(--grad-card);
  border: 1px solid var(--cinza-claro);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--trans-normal);
}

.stack-card:hover,
.stack-card:focus-within {
  box-shadow: var(--sombra-md);
  transform: translateY(-2px);
}

.stack-card .stack-emoji {
  font-size: 2.2rem;
  margin-bottom: var(--space-md);
}

.stack-card h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cinza-medio);
  margin-bottom: var(--space-xs);
}

.stack-card .tech-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--texto-principal);
  margin-bottom: var(--space-sm);
}

.stack-card p {
  font-size: 0.85rem;
  color: var(--texto-secundario);
  margin-bottom: 0;
}

/* === MONETIZACAO === */
.section-monetizacao {
  background: var(--grad-section-alt);
}

.planos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-xl);
  align-items: start;
}

.plano-card {
  background: var(--branco);
  border: 2px solid var(--cinza-claro);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--trans-normal);
  position: relative;
}

.plano-card:hover,
.plano-card:focus-within {
  box-shadow: var(--sombra-lg);
  transform: translateY(-4px);
}

.plano-card.destaque {
  border-color: var(--turquesa);
  box-shadow: var(--sombra-lg), 0 0 30px rgba(0, 188, 212, 0.15);
}

.plano-card.destaque::before {
  content: 'MAIS POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--turquesa);
  color: var(--branco);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.plano-nome {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--texto-principal);
  margin-bottom: var(--space-sm);
}

.plano-preco {
  margin-bottom: var(--space-lg);
}

.plano-preco .valor {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--texto-principal);
}

.plano-preco .periodo {
  font-size: 0.85rem;
  color: var(--cinza-medio);
}

.plano-preco .moeda {
  font-size: 1rem;
  font-weight: 600;
  vertical-align: super;
}

.plano-comissao {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.comissao-alta { background: rgba(239, 68, 68, 0.1); color: var(--erro); }
.comissao-media { background: rgba(245, 158, 11, 0.1); color: var(--alerta); }
.comissao-baixa { background: rgba(0, 188, 212, 0.1); color: var(--turquesa); }
.comissao-zero { background: rgba(16, 185, 129, 0.1); color: var(--sucesso); }

.plano-features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-xl);
}

.plano-features li {
  padding: var(--space-sm) 0;
  font-size: 0.88rem;
  color: var(--texto-secundario);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.plano-features li::before {
  content: '\2713';
  color: var(--sucesso);
  font-weight: 700;
  flex-shrink: 0;
}

/* === FASES === */
.section-fases {
  background: var(--branco);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--laranja-sol) 0%, var(--turquesa) 50%, var(--dourado) 100%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-left: 64px;
  padding-bottom: var(--space-3xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 12px;
  top: 4px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid var(--branco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--branco);
  z-index: 2;
}

.timeline-dot--phase1 { background: var(--laranja-sol); }
.timeline-dot--phase2 { background: var(--turquesa); }
.timeline-dot--phase3 { background: var(--dourado); }

.timeline-content {
  background: var(--branco);
  border: 1px solid var(--cinza-claro);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.timeline-content:hover,
.timeline-content:focus-within {
  box-shadow: var(--sombra-md);
}

.timeline-title {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.timeline-title h3 {
  font-size: 1.2rem;
}

.timeline-prazo {
  font-size: 0.8rem;
  color: var(--cinza-medio);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: var(--cinza-claro);
}

.timeline-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.timeline-items li {
  font-size: 0.88rem;
  color: var(--texto-secundario);
  padding: var(--space-xs) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.timeline-items li::before {
  content: '\25B8';
  color: var(--turquesa);
  font-size: 0.7rem;
}

/* === KPIs === */
.section-kpis {
  background: var(--azul-profundo);
  color: var(--branco);
}

.section-kpis .section-header h2 {
  color: var(--branco);
}

.section-kpis .section-header p {
  color: rgba(255, 255, 255, 0.6);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.kpi-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
}

.kpi-card .kpi-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.kpi-valores {
  display: flex;
  justify-content: space-around;
  gap: var(--space-md);
}

.kpi-periodo {
  text-align: center;
}

.kpi-periodo .kpi-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--turquesa);
  display: block;
}

.kpi-periodo .kpi-tempo {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
}

/* === CUSTOS === */
.section-custos {
  background: var(--branco-areia);
}

.custos-tabela {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-collapse: collapse;
  background: var(--branco);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--sombra-sm);
}

.custos-tabela th {
  background: var(--azul-profundo);
  color: var(--branco);
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
}

.custos-tabela td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--cinza-claro);
  font-size: 0.9rem;
  color: var(--texto-secundario);
}

.custos-tabela tr:last-child td {
  border-bottom: none;
  font-weight: 700;
  color: var(--texto-principal);
  background: var(--branco-areia);
}

.custos-tabela td:nth-child(2),
.custos-tabela td:nth-child(3),
.custos-tabela th:nth-child(2),
.custos-tabela th:nth-child(3) {
  text-align: right;
}

/* === FOOTER === */
.footer {
  background: var(--azul-profundo);
  color: rgba(255, 255, 255, 0.5);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer .container {
  text-align: center;
}

.footer-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--branco);
  margin-bottom: var(--space-md);
}

.footer p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-meta {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
}

/* === SCROLL ANIMATIONS === */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* === COUNTER ANIMATION === */
.counter {
  display: inline-block;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

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

@media (max-width: 768px) {
  :root {
    --space-5xl: 4rem;
    --space-4xl: 3rem;
    --header-height: 64px;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.98);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav.active {
    display: flex;
  }

  .nav-mobile-toggle {
    display: block;
  }

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

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

  .planos-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .timeline::before {
    left: 16px;
  }

  .timeline-item {
    padding-left: 48px;
  }

  .timeline-dot {
    left: 4px;
    width: 24px;
    height: 24px;
    font-size: 0.6rem;
  }

  .timeline-items {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
  }

  .custos-tabela {
    font-size: 0.8rem;
  }

  .custos-tabela th,
  .custos-tabela td {
    padding: var(--space-sm) var(--space-md);
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

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

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

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

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

/* === PRINT === */
@media print {
  .header,
  .hero-waves,
  .nav-mobile-toggle {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
    background: #0A1628 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .section-padding {
    padding: 2rem 0;
  }

  .fade-up {
    opacity: 1 !important;
    transform: none !important;
  }
}