/* ==========================================================================
   CLAUDIA SOUZA — ARQUITETA | DESIGN SYSTEM & TOKENS CANÔNICOS
   Paleta: Branco Quente, Preto Quente, Marrom Bege e Verde Oliva
   ========================================================================== */

/* 1. FONTES AUTO-HOSPEDADAS (Plus Jakarta Sans) */
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./assets/fonts/plus-jakarta-sans-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('./assets/fonts/plus-jakarta-sans-500.woff2') format('woff2');
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('./assets/fonts/plus-jakarta-sans-600.woff2') format('woff2');
}

/* 2. VARIÁVEIS DE DESIGN SYSTEM */
:root {
  /* Tipografia Única */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Fundos Claros (Marrom Bege & Branco Quente) */
  --bg-light: #F7F4EE;
  --bg-light-alt: #EFE8DC;
  --bg-light-card: #FFFFFF;
  --text-dark: #1C1917;
  --text-dark-muted: #575249;
  --border-light: rgba(88, 101, 68, 0.16);

  /* Fundos Escuros (Preto Quente & Marrom Profundo) */
  --bg-dark: #151311;
  --bg-dark-alt: #1F1B17;
  --bg-dark-card: #25201A;
  --text-light: #FAF7F2;
  --text-light-muted: #B8B0A2;
  --border-dark: rgba(119, 135, 94, 0.22);

  /* Acento: Verde Oliva Exclusivo */
  --olive: #586544;
  --olive-hover: #4B5739;
  --olive-light: #76875E;
  --olive-surface: rgba(88, 101, 68, 0.12);
  --olive-glow: rgba(118, 135, 94, 0.35);

  /* Sombras & Profundidade */
  --shadow-light: 0 16px 36px rgba(45, 38, 30, 0.06);
  --shadow-dark: 0 24px 50px rgba(0, 0, 0, 0.45);

  /* Raios */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 9999px;

  /* Container */
  --container-max: 1240px;
  --nav-height-desktop: 76px;
  --nav-height-mobile: 56px;
}

/* 3. RESET & BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  background-color: var(--bg-light);
  color: var(--text-dark);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: auto; /* Lenis assume o scroll suave */
  overflow-x: clip;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.55;
  font-weight: 400;
  overflow-x: clip;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

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

/* Acessibilidade de Foco */
:focus-visible {
  outline: 2px solid var(--olive-light);
  outline-offset: 3px;
}

/* Contêiner Geral */
.site-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 4vw, 36px);
  padding-right: clamp(20px, 4vw, 36px);
}

/* 4. NAVBAR (Mobile <= 56px e Desktop Elegante) */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled {
  background-color: rgba(247, 244, 238, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
}

.site-header.scrolled.dark-mode-nav {
  background-color: rgba(21, 19, 17, 0.88);
  border-bottom: 1px solid var(--border-dark);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height-desktop);
  transition: height 0.3s ease;
}

/* Marca / Logo */
.brand-link {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  white-space: nowrap;
  transition: color 0.3s ease;
}

.site-header.dark-mode-nav .brand-name {
  color: var(--text-light);
}

.brand-tag {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--olive);
  transition: color 0.3s ease;
}

.site-header.dark-mode-nav .brand-tag {
  color: var(--olive-light);
}

/* Menu Desktop */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark-muted);
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
}

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

.site-header.dark-mode-nav .nav-link {
  color: var(--text-light-muted);
}

.site-header.dark-mode-nav .nav-link:hover {
  color: var(--olive-light);
}

/* Botão Canônico com Shiny Sweep Glow */
.btn-shiny {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--olive);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  box-shadow: 0 8px 24px var(--olive-glow);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, background 0.25s ease;
  will-change: transform;
}

.btn-shiny:hover {
  transform: translateY(-2px) scale(1.01);
  background: var(--olive-hover);
  box-shadow: 0 14px 32px rgba(88, 101, 68, 0.45);
}

.btn-shiny:active {
  transform: translateY(0) scale(0.98);
}

/* Shiny Sweep Glow Animation */
.btn-shiny::after {
  content: '';
  position: absolute;
  top: -60%;
  left: -120%;
  width: 50%;
  height: 220%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%
  );
  transform: rotate(26deg);
  animation: shinySweep 3.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  pointer-events: none;
}

@keyframes shinySweep {
  0% {
    left: -120%;
  }
  30%, 100% {
    left: 170%;
  }
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: currentColor;
}

/* Botão Compacto da Navbar */
.nav-cta-desktop {
  padding: 10px 22px;
  font-size: 0.9rem;
}

/* Mobile Controls */
.mobile-controls {
  display: none;
  align-items: center;
  gap: 10px;
}

.nav-cta-mobile {
  padding: 8px 14px;
  font-size: 0.82rem;
  height: 38px;
  max-height: 40px;
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-dark);
  z-index: 105;
}

.menu-line {
  width: 22px;
  height: 2px;
  background-color: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.is-active .menu-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active .menu-line:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menu Mobile Overlay (Inerte quando fechado) */
.mobile-menu-drawer {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background-color: rgba(247, 244, 238, 0.98);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px 24px;
  visibility: hidden;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-drawer.is-open {
  visibility: visible;
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-bottom: 36px;
  list-style: none;
}

.mobile-nav-link {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: -0.01em;
}

.mobile-nav-link:hover {
  color: var(--olive);
}

/* 5. SEÇÃO HERO (Fundo Claro / Marrom Bege Suave) */
.section-hero {
  position: relative;
  padding-top: calc(var(--nav-height-desktop) + 40px);
  padding-bottom: 90px;
  background-color: var(--bg-light);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  min-height: calc(85vh - var(--nav-height-desktop));
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2;
}

.hero-kicker-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--olive-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.kicker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--olive);
}

.hero-kicker {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--olive);
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text-dark);
  margin-bottom: 22px;
}

.hero-title .title-accent {
  color: var(--olive);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-dark-muted);
  max-width: 54ch;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

/* Badges da Bio na Hero */
.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  width: 100%;
}

.bio-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  box-shadow: var(--shadow-light);
}

.badge-icon {
  width: 18px;
  height: 18px;
  color: var(--olive);
  flex-shrink: 0;
}

/* Foto da Claudia (Hero Visual) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.hero-image-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(70, 60, 48, 0.12);
  /* Máscara suave integrada ao fundo sem borda cinza */
  mask-image: radial-gradient(circle at 50% 50%, black 72%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 72%, transparent 100%);
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  will-change: transform;
}

/* Fio de Luz Ambiente de Fundo */
.ambient-glow-light {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(118, 135, 94, 0.22) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 1;
}

/* 6. TRANSIÇÃO DE SEÇÕES (Sem divisórias secas, movimento contínuo) */
.trans-light-to-dark {
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-dark) 100%);
  height: 100px;
  margin-bottom: -1px;
}

.trans-dark-to-light {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-light) 100%);
  height: 100px;
  margin-bottom: -1px;
}

/* 7. SEÇÃO ETAPAS DO TRABALHO (Fundo Escuro / Marrom Profundo com Verde Oliva) */
.section-etapas {
  position: relative;
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 80px 0 110px;
  overflow: hidden;
}

.section-header-center {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--olive-light);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-light-muted);
}

/* Trilho de Progresso e 3 Etapas Conectadas */
.etapas-wrapper {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.progress-rail {
  position: absolute;
  top: 40px;
  bottom: 40px;
  left: 28px;
  width: 2px;
  background-color: rgba(255, 255, 255, 0.08);
}

.progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--olive-light) 0%, var(--olive) 100%);
  transform-origin: top center;
  transform: scaleY(0);
  will-change: transform;
}

.etapas-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
  list-style: none;
}

.etapa-card {
  position: relative;
  display: grid;
  grid-template-columns: 58px 1fr;
  align-items: flex-start;
  gap: 28px;
}

.etapa-node {
  position: relative;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--olive-light);
  box-shadow: 0 0 0 6px var(--bg-dark);
  z-index: 2;
  transition: border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.etapa-card.is-active .etapa-node {
  border-color: var(--olive-light);
  color: #FFFFFF;
  background-color: var(--olive);
  box-shadow: 0 0 20px var(--olive-glow), 0 0 0 6px var(--bg-dark);
}

.etapa-content-box {
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.16); /* Luz superior */
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-dark);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.etapa-content-box:hover {
  transform: translateY(-3px);
  border-color: var(--olive-light);
}

.etapa-title {
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-light);
  margin-bottom: 10px;
}

.etapa-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-light-muted);
}

.etapas-cta {
  text-align: center;
  margin-top: 60px;
}

/* 8. SEÇÃO NEUROARQUITETURA E PRÊMIO (Fundo Claro / Marrom Bege Nobre) */
.section-neuro {
  position: relative;
  background-color: var(--bg-light);
  color: var(--text-dark);
  padding: 90px 0 110px;
  overflow: hidden;
}

.neuro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.neuro-card {
  background-color: var(--bg-light-card);
  border: 1px solid var(--border-light);
  border-top: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  padding: 44px 38px;
  box-shadow: var(--shadow-light);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.neuro-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px rgba(70, 60, 48, 0.1);
}

.neuro-icon-pill {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--olive-surface);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--olive);
  margin-bottom: 24px;
}

.neuro-icon-pill svg {
  width: 26px;
  height: 26px;
}

.neuro-card-title {
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  margin-bottom: 14px;
}

.neuro-card-text {
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--text-dark-muted);
  margin-bottom: 24px;
  flex-grow: 1;
}

.neuro-tag-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background-color: var(--bg-light-alt);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--olive);
}

/* 9. SEÇÃO FILOSOFIA & INSTAGRAM (Fundo Escuro / Marrom Quente) */
.section-filosofia {
  position: relative;
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 90px 0 110px;
  overflow: hidden;
}

.filosofia-box {
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: clamp(36px, 5vw, 64px);
  box-shadow: var(--shadow-dark);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
}

.filosofia-quote {
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text-light);
  margin-bottom: 20px;
}

.filosofia-quote span {
  color: var(--olive-light);
}

.filosofia-text {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-light-muted);
}

.instagram-card {
  background-color: var(--bg-dark-alt);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.instagram-icon {
  width: 44px;
  height: 44px;
  color: var(--olive-light);
  margin-bottom: 16px;
}

.instagram-handle {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 8px;
}

.instagram-desc {
  font-size: 0.92rem;
  color: var(--text-light-muted);
  margin-bottom: 22px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--olive-light);
  color: var(--text-light);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background-color: var(--olive);
  border-color: var(--olive);
  color: #FFFFFF;
}

/* 10. SEÇÃO FAQ (Dúvidas Frequentes) */
.section-faq {
  position: relative;
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 30px 0 100px;
}

.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.faq-item:hover {
  border-color: var(--olive-light);
}

.faq-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  text-align: left;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-light);
  letter-spacing: -0.01em;
  gap: 16px;
}

.faq-arrow {
  width: 20px;
  height: 20px;
  color: var(--olive-light);
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.is-open .faq-arrow {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 28px;
}

.faq-item.is-open .faq-content {
  max-height: 200px;
  padding-bottom: 24px;
}

.faq-content p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-light-muted);
}

/* 11. SEÇÃO FINAL DE CHAMADA PARA AÇÃO (Fundo Escuro Aconchegante) */
.section-cta-final {
  position: relative;
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 80px 0 100px;
  text-align: center;
}

.cta-final-card {
  max-width: 860px;
  margin: 0 auto;
  background: linear-gradient(180deg, var(--bg-dark-card) 0%, #1A1612 100%);
  border: 1px solid var(--border-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 72px) clamp(24px, 4vw, 56px);
  box-shadow: var(--shadow-dark);
}

.cta-final-title {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}

.cta-final-title span {
  color: var(--olive-light);
}

.cta-final-subtitle {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-light-muted);
  max-width: 50ch;
  margin: 0 auto 36px;
}

/* 12. RODAPÉ */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  border-top: 1px solid var(--border-dark);
  padding: 50px 0 32px;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-brand-title {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--text-light-muted);
}

.footer-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--text-light-muted);
  transition: color 0.2s ease;
}

.footer-contact-link:hover {
  color: var(--olive-light);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

/* 13. RESPONSIVIDADE PRECISA (320px a 1920px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-content {
    align-items: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-badges-row {
    justify-content: center;
  }

  .filosofia-box {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

@media (max-width: 768px) {
  :root {
    --nav-height-desktop: var(--nav-height-mobile);
  }

  .desktop-nav {
    display: none;
  }

  .mobile-controls {
    display: flex;
  }

  .nav-wrapper {
    height: var(--nav-height-mobile);
  }

  .section-hero {
    padding-top: calc(var(--nav-height-mobile) + 24px);
    padding-bottom: 60px;
  }

  .hero-image-wrap {
    max-width: 340px;
  }

  .etapa-card {
    grid-template-columns: 46px 1fr;
    gap: 16px;
  }

  .etapa-node {
    width: 46px;
    height: 46px;
    font-size: 0.85rem;
  }

  .progress-rail {
    left: 22px;
  }

  .etapa-content-box {
    padding: 24px 20px;
  }

  .neuro-card {
    padding: 30px 24px;
  }

  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 430px) {
  .site-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .bio-badge {
    width: 100%;
    justify-content: center;
  }

  .btn-shiny {
    width: 100%;
  }

  .nav-cta-mobile {
    width: auto;
  }
}

/* 14. PREFERS-REDUCED-MOTION (Acessibilidade Estrita) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
    scroll-behavior: auto !important;
  }

  .btn-shiny::after {
    display: none !important;
  }

  .hero-img, .hero-content, .etapa-content-box, .neuro-card {
    transform: none !important;
  }
}