@layer base, components, utilities;

/* ============================================================
   BASE — reset, tipografia base, acessibilidade
   ============================================================ */
@layer base {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  * {
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
  }

  body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--preto);
    background: var(--branco-gelo);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }

  img,
  picture,
  video,
  svg {
    display: block;
    max-width: 100%;
    height: auto;
  }

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

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

  ul,
  ol {
    list-style: none;
  }

  /* Foco acessível (WCAG AA) */
  :focus-visible {
    outline: 2px solid var(--coral);
    outline-offset: 4px;
  }

  /* Skip link */
  .skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--coral);
    color: #fff;
    padding: 8px 16px;
    font-weight: 600;
    z-index: 200;
    transition: top var(--transition-fast);
  }

  .skip-link:focus {
    top: 0;
  }

  /* Respeita usuários com preferência por menos animação */
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }
}

/* ============================================================
   COMPONENTS — header, hero, CTA
   ============================================================ */
@layer components {
  /* ---------- Header sticky ---------- */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(242, 242, 242, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cinza-claro);
  }

  .header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 16px var(--container-padding-mobile);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
  }

  .header-logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
  }

  .header-logo img {
    height: 36px;
    width: auto;
    /* Logo é versão clara (para fundo escuro); inverte luminosidade
       preservando o hue do "S" turquesa. Substituir quando houver
       variante escura oficial do logo. */
    filter: invert(1) hue-rotate(180deg);
  }

  /* Fallback textual enquanto logo.png não existe */
  .header-logo-fallback {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px;
    letter-spacing: -0.02em;
    color: var(--azul-marinho);
  }

  .header-nav {
    display: flex;
    gap: var(--space-4);
    align-items: center;
  }

  .header-nav a {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    color: var(--preto);
    transition: color var(--transition-fast);
    position: relative;
  }

  .header-nav a:hover {
    color: var(--coral);
  }

  /* Hamburger (visível só no mobile) */
  .header-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 8px;
  }

  .header-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--preto);
    border-radius: 2px;
    transition: transform var(--transition-fast),
      opacity var(--transition-fast);
    transform-origin: center;
  }

  .header-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .header-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .header-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* ---------- Hero ---------- */
  .hero {
    background: var(--azul-marinho);
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-top: calc(var(--header-height) + var(--space-5));
    padding-bottom: var(--space-7);
    position: relative;
    overflow: hidden;
  }

  .hero-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--container-padding-mobile);
    text-align: left;
  }

  .hero-headline {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--branco-gelo);
    margin-bottom: var(--space-3);
  }

  .hero-highlight {
    display: inline-block;
    color: var(--branco-gelo);
    animation: hero-highlight-pulse 3s ease-in-out infinite;
    will-change: color;
  }

  @keyframes hero-highlight-pulse {
    0%,
    100% {
      color: var(--branco-gelo);
    }
    50% {
      color: var(--coral);
    }
  }

  .hero-subhead {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--branco-gelo);
    opacity: 0.85;
    max-width: 600px;
    margin-bottom: var(--space-5);
  }

  .hero-microcopy {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 13px;
    line-height: 1.5;
    color: var(--branco-gelo);
    opacity: 0.6;
    max-width: 500px;
    margin-top: var(--space-2);
  }

  /* ---------- CTA primário ---------- */
  .cta-primary {
    display: inline-block;
    background: var(--coral);
    color: #fff;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    padding: 16px 32px;
    border-radius: 4px;
    text-decoration: none;
    transition: filter var(--transition-fast),
      transform var(--transition-fast),
      box-shadow var(--transition-fast);
    box-shadow: 0 2px 4px rgba(255, 90, 54, 0.15);
  }

  .cta-primary:hover,
  .cta-primary:focus-visible {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 90, 54, 0.3);
  }

  /* ---------- Container ---------- */
  .container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding-mobile);
  }

  /* ---------- Section base (padding vertical) ---------- */
  .reconhecer,
  .como-transformamos,
  .casos,
  .diferenciais,
  .diagnostico {
    padding-top: var(--space-7);
    padding-bottom: var(--space-7);
  }

  /* ---------- Section title / subtitle ---------- */
  .section-title,
  .section-title-light {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.2;
    letter-spacing: -0.01em;
    text-align: center;
    margin-bottom: var(--space-6);
  }

  .section-title {
    color: var(--azul-marinho);
  }

  .section-title-light {
    color: var(--branco-gelo);
    margin-bottom: var(--space-3);
  }

  .section-subtitle,
  .section-subtitle-light {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 18px;
    line-height: 1.6;
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-6);
  }

  .section-subtitle {
    color: var(--cinza-medio);
  }

  .section-subtitle-light {
    color: var(--branco-gelo);
    opacity: 0.85;
  }

  .section-closer {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 18px;
    line-height: 1.6;
    text-align: center;
    max-width: 700px;
    margin: var(--space-6) auto 0;
    color: var(--preto);
  }

  .section-closer strong {
    font-weight: 600;
    color: var(--azul-marinho);
  }

  .section-closer-italic {
    font-family: var(--font-body);
    font-style: italic;
    font-weight: 400;
    font-size: 20px;
    line-height: 1.5;
    text-align: center;
    color: var(--azul-marinho);
    margin-top: var(--space-6);
    margin-bottom: var(--space-4);
  }

  .section-closer-light {
    font-family: var(--font-body);
    font-style: italic;
    font-weight: 400;
    font-size: 22px;
    line-height: 1.5;
    text-align: center;
    color: var(--branco-gelo);
    margin-top: 80px;
    margin-bottom: var(--space-4);
  }

  .section-cta {
    text-align: center;
    margin-top: var(--space-6);
  }

  /* ---------- Cards grid (genérico 2x2) ---------- */
  .cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  /* ---------- Animate-on-scroll ---------- */
  .animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 400ms ease-out, transform 400ms ease-out;
    will-change: opacity, transform;
  }

  .animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Stagger nos grids 2x2 */
  .cards-grid > .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
  .cards-grid > .animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
  .cards-grid > .animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
  .cards-grid > .animate-on-scroll:nth-child(4) { transition-delay: 300ms; }

  .diferenciais-grid > .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
  .diferenciais-grid > .animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
  .diferenciais-grid > .animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
  .diferenciais-grid > .animate-on-scroll:nth-child(4) { transition-delay: 300ms; }

  /* ============================================================
     SEÇÃO 2 — RECONHECER
     ============================================================ */
  .reconhecer {
    background: var(--branco-gelo);
  }

  .card-momento {
    background: #ffffff;
    border: 1px solid var(--cinza-claro);
    border-radius: 8px;
    padding: var(--space-4);
    transition: transform 200ms ease, box-shadow 200ms ease;
  }

  .card-momento:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(46, 2, 89, 0.08);
  }

  .card-momento h3 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 20px;
    line-height: 1.3;
    color: var(--azul-marinho);
    margin-bottom: var(--space-2);
  }

  .card-momento p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--preto);
  }

  /* ============================================================
     SEÇÃO 3 — COMO TRANSFORMAMOS
     ============================================================ */
  .como-transformamos {
    background: var(--azul-marinho);
  }

  /* Tríade SVG */
  .triade-diagram {
    margin: 0 auto var(--space-7);
    max-width: 800px;
    display: flex;
    justify-content: center;
  }

  .triade-svg {
    width: 100%;
    height: auto;
    max-width: 800px;
    display: block;
  }

  .triade-outer {
    animation: triade-pulse 4s ease-in-out infinite;
    transform-box: fill-box;
    transform-origin: center;
  }

  @keyframes triade-pulse {
    0%, 100% {
      stroke-width: 2;
      filter: drop-shadow(0 0 0 rgba(255, 90, 54, 0));
    }
    50% {
      stroke-width: 3;
      filter: drop-shadow(0 0 4px rgba(255, 90, 54, 0.25));
    }
  }

  /* Bloco Cultura + pilares (texto sobre fundo escuro) */
  .bloco-cultura,
  .pilar {
    margin: 0 auto 80px;
    max-width: 800px;
  }

  .pilar:last-of-type {
    margin-bottom: 0;
  }

  .bloco-title,
  .pilar-title {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 28px;
    line-height: 1.25;
    color: var(--branco-gelo);
    margin-bottom: var(--space-2);
  }

  .bloco-lead,
  .pilar-lead {
    font-family: var(--font-body);
    font-style: italic;
    font-weight: 400;
    font-size: 20px;
    line-height: 1.5;
    color: var(--branco-gelo);
    opacity: 0.9;
    margin-bottom: var(--space-3);
  }

  .bloco-emphasis {
    font-family: var(--font-body);
    font-style: italic;
    font-weight: 400;
    font-size: 18px;
    line-height: 1.5;
    color: var(--branco-gelo);
    margin-bottom: var(--space-3);
  }

  .bloco-cultura > p,
  .pilar > p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 17px;
    line-height: 1.7;
    color: var(--branco-gelo);
    opacity: 0.85;
    margin-bottom: var(--space-2);
  }

  .bloco-lista,
  .pilar ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: var(--space-3);
  }

  .bloco-lista li,
  .pilar ul li {
    position: relative;
    padding-left: var(--space-3);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.7;
    color: var(--branco-gelo);
    opacity: 0.85;
    margin-bottom: var(--space-1);
  }

  .bloco-lista li::before,
  .pilar ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--coral);
    font-weight: 700;
    font-size: 18px;
    line-height: 1.7;
  }

  .bloco-resultado,
  .pilar-resultado {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 18px;
    line-height: 1.5;
    color: var(--branco-gelo);
    border-left: 3px solid var(--coral);
    padding-left: var(--space-2);
    margin-top: var(--space-3);
    opacity: 1;
  }

  .bloco-resultado strong,
  .pilar-resultado strong {
    color: var(--coral);
    font-weight: 700;
  }

  .pilar-exemplos-titulo {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    color: var(--branco-gelo);
    margin-top: var(--space-3);
    margin-bottom: 12px;
    opacity: 1;
  }

  /* CTA secundário (link com sublinhado coral) */
  .cta-secondary {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    color: var(--coral);
    border-bottom: 2px solid var(--coral);
    padding-bottom: 4px;
    transition: filter 200ms ease, transform 200ms ease;
  }

  .cta-secondary:hover,
  .cta-secondary:focus-visible {
    filter: brightness(1.2);
    transform: translateX(4px);
  }

  /* ============================================================
     SEÇÃO 4 — CASOS
     ============================================================ */
  .casos {
    background: var(--branco-gelo);
  }

  .card-caso {
    background: #ffffff;
    border: 1px solid var(--cinza-claro);
    border-radius: 8px;
    padding: var(--space-4);
    transition: transform 200ms ease, box-shadow 200ms ease;
    display: flex;
    flex-direction: column;
  }

  .card-caso:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(46, 2, 89, 0.08);
  }

  .caso-tag {
    display: inline-block;
    align-self: flex-start;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--coral);
    margin-bottom: var(--space-2);
  }

  .caso-title {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 24px;
    line-height: 1.3;
    color: var(--azul-marinho);
    margin-bottom: var(--space-1);
  }

  .caso-meta {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 14px;
    color: var(--cinza-medio);
    margin-bottom: var(--space-3);
  }

  .caso-body p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.7;
    color: var(--preto);
    margin-bottom: var(--space-2);
  }

  .caso-body p:last-child {
    margin-bottom: 0;
  }

  .caso-body p strong {
    color: var(--coral);
    font-weight: 700;
  }

  /* ============================================================
     SEÇÃO 5 — DIFERENCIAIS
     ============================================================ */
  .diferenciais {
    background: var(--azul-petroleo);
  }

  .diferenciais-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    max-width: 1000px;
    margin: 0 auto;
  }

  .diferencial {
    position: relative;
    padding: var(--space-3) 0 var(--space-3) 80px;
  }

  .diferencial-num {
    position: absolute;
    left: 0;
    top: var(--space-3);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 64px;
    line-height: 1;
    color: var(--coral);
    opacity: 0.4;
    letter-spacing: -0.02em;
  }

  .diferencial-title {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 24px;
    line-height: 1.3;
    color: var(--branco-gelo);
    margin-bottom: 12px;
  }

  .diferencial-lead {
    font-family: var(--font-body);
    font-style: italic;
    font-weight: 400;
    font-size: 18px;
    line-height: 1.5;
    color: var(--branco-gelo);
    opacity: 0.9;
    margin-bottom: var(--space-2);
  }

  .diferencial > p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.7;
    color: var(--branco-gelo);
    opacity: 0.8;
  }

  /* ============================================================
     SEÇÃO 6 — DIAGNÓSTICO
     ============================================================ */
  .diagnostico {
    background: var(--branco-gelo);
  }

  .diagnostico-subhead {
    font-family: var(--font-body);
    font-style: italic;
    font-weight: 400;
    font-size: 20px;
    line-height: 1.6;
    color: var(--cinza-medio);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
  }

  .passos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    max-width: 1100px;
    margin: 0 auto 80px;
  }

  .passo {
    text-align: left;
    padding-top: var(--space-3);
  }

  .passo-num {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 56px;
    line-height: 1;
    color: var(--coral);
    opacity: 0.4;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2);
  }

  .passo-title {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 22px;
    line-height: 1.3;
    color: var(--azul-marinho);
    margin-bottom: 12px;
  }

  .passo p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.7;
    color: var(--preto);
  }

  .section-cta-final {
    text-align: center;
  }

  .cta-abrir-modal {
    /* herda visual do .cta-primary; aqui só normalizamos botão vs link */
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
  }

  /* ============================================================
     MODAL — Diagnóstico
     ============================================================ */
  .modal-diagnostico {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
  }

  .modal-diagnostico.aberto {
    display: flex;
  }

  .modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
  }

  .modal-container {
    position: relative;
    background: var(--branco-gelo);
    width: 100%;
    max-width: 720px;
    max-height: calc(100vh - 48px);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
    animation: modal-entrance 300ms ease-out;
  }

  @keyframes modal-entrance {
    0% {
      opacity: 0;
      transform: translateY(20px) scale(0.95);
    }
    100% {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  .modal-header {
    padding: 24px 32px 16px;
    border-bottom: 1px solid var(--cinza-claro);
    position: relative;
    flex-shrink: 0;
  }

  .modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    font-size: 28px;
    line-height: 1;
    color: var(--cinza-medio);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 200ms ease, color 200ms ease;
    z-index: 2;
  }

  .modal-close:hover,
  .modal-close:focus-visible {
    background: var(--cinza-claro);
    color: var(--azul-marinho);
  }

  .modal-progress {
    height: 4px;
    background: var(--cinza-claro);
    border-radius: 2px;
    overflow: hidden;
    margin-right: 56px;
    margin-top: 4px;
  }

  .modal-progress-bar {
    height: 100%;
    background: var(--coral);
    width: 20%;
    transition: width 300ms ease;
  }

  .modal-progress-text {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 13px;
    color: var(--cinza-medio);
    text-align: right;
    margin-top: 8px;
    margin-right: 56px;
  }

  .modal-content {
    flex: 1 1 auto;
    overflow: hidden;
    position: relative;
    min-height: 380px;
  }

  .modal-step {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 32px;
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 400ms ease, transform 400ms ease;
    pointer-events: none;
  }

  .modal-step[data-active="true"] {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
  }

  .modal-step.exiting-left {
    opacity: 0;
    transform: translateX(-100%);
  }

  .step-question {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(24px, 3vw, 32px);
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--azul-marinho);
    margin-bottom: 12px;
  }

  .step-description {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    color: var(--cinza-medio);
    margin-bottom: var(--space-4);
  }

  .step-description-secondary {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.5;
    color: var(--cinza-medio);
    margin-top: var(--space-2);
  }

  /* ---------- Form fields ---------- */
  .form-field {
    margin-bottom: var(--space-3);
  }

  .form-field label {
    display: block;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    color: var(--azul-marinho);
    margin-bottom: var(--space-1);
  }

  .form-field input,
  .form-field textarea {
    width: 100%;
    border: 2px solid var(--azul-petroleo);
    border-radius: 6px;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    color: var(--preto);
    background: #ffffff;
    transition: border-color 200ms ease, box-shadow 200ms ease;
  }

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

  .form-field input:focus,
  .form-field textarea:focus {
    outline: none;
    border-color: var(--coral);
    box-shadow: 0 0 0 3px rgba(255, 90, 54, 0.15);
  }

  .form-field input.valid,
  .form-field textarea.valid {
    border-color: #10b981;
  }

  .form-field input.invalid,
  .form-field textarea.invalid {
    border-color: #dc2626;
  }

  .field-feedback {
    display: block;
    min-height: 18px;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 13px;
    margin-top: 6px;
    color: transparent;
  }

  .field-feedback.error {
    color: #dc2626;
  }

  .field-feedback.success {
    color: #10b981;
  }

  .field-counter {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 13px;
    color: var(--cinza-medio);
    margin-top: var(--space-1);
    text-align: right;
  }

  .field-counter.met {
    color: #10b981;
    font-weight: 600;
  }

  /* ---------- Cards de opção (porte / papel) ---------- */
  .form-field-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .option-card {
    background: #ffffff;
    border: 2px solid var(--cinza-claro);
    border-radius: 8px;
    padding: var(--space-3) var(--space-2);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    color: var(--azul-marinho);
    cursor: pointer;
    text-align: center;
    transition: border-color 200ms ease, transform 200ms ease,
      background-color 200ms ease, color 200ms ease;
  }

  .option-card:hover,
  .option-card:focus-visible {
    border-color: var(--coral);
    transform: translateY(-2px);
  }

  .option-card.selected,
  .option-card[aria-pressed="true"] {
    border-color: var(--coral);
    background: rgba(255, 90, 54, 0.08);
    color: var(--coral);
  }

  /* ---------- Footer do modal ---------- */
  .modal-footer {
    padding: 16px 32px 24px;
    border-top: 1px solid var(--cinza-claro);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    background: var(--branco-gelo);
  }

  .btn-voltar {
    background: transparent;
    color: var(--cinza-medio);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    padding: 12px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: color 200ms ease, background-color 200ms ease;
  }

  .btn-voltar:hover,
  .btn-voltar:focus-visible {
    color: var(--azul-marinho);
    background: var(--cinza-claro);
  }

  .btn-continuar,
  .btn-enviar,
  .btn-fechar-final {
    background: var(--coral);
    color: #ffffff;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    padding: 14px 32px;
    border-radius: 6px;
    cursor: pointer;
    transition: filter 200ms ease, transform 200ms ease, box-shadow 200ms ease;
    margin-left: auto;
  }

  .btn-continuar:hover:not(:disabled),
  .btn-enviar:hover:not(:disabled),
  .btn-fechar-final:hover:not(:disabled) {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 90, 54, 0.3);
  }

  .btn-continuar:disabled,
  .btn-enviar:disabled,
  .btn-fechar-final:disabled {
    opacity: 0.4;
    cursor: not-allowed;
  }

  /* ---------- Confirmação ---------- */
  .confirm-resumo {
    list-style: none;
    padding: 16px 24px;
    background: #ffffff;
    border: 1px solid var(--cinza-claro);
    border-radius: 8px;
    margin-top: var(--space-3);
  }

  .confirm-resumo li {
    padding: 10px 0;
    border-bottom: 1px solid var(--cinza-claro);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 15px;
    color: var(--preto);
  }

  .confirm-resumo li:last-child {
    border-bottom: none;
  }

  .confirm-resumo li strong {
    color: var(--azul-marinho);
    margin-right: 8px;
  }

  /* ---------- Tela de obrigado ---------- */
  .modal-step-obrigado {
    text-align: center;
    padding: 64px 32px;
  }

  .obrigado-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--coral);
    color: #ffffff;
    font-size: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-3);
    box-shadow: 0 8px 24px rgba(255, 90, 54, 0.3);
  }

  /* ---------- Seções placeholder (Sprints futuras) ---------- */
  .section-placeholder {
    padding: var(--space-7) var(--container-padding-mobile);
    max-width: var(--container-max);
    margin: 0 auto;
    text-align: center;
    color: var(--cinza-medio);
  }

  .section-placeholder h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    color: var(--azul-marinho);
    opacity: 0.4;
  }

  /* ---------- Footer básico ---------- */
  .footer {
    background: var(--azul-marinho);
    color: var(--branco-gelo);
    padding: var(--space-5) var(--container-padding-mobile);
    text-align: center;
    font-size: 14px;
    opacity: 0.9;
  }

  .footer p {
    max-width: var(--container-max);
    margin: 0 auto;
  }
}

/* ============================================================
   UTILITIES
   ============================================================ */
@layer utilities {
  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}

/* ============================================================
   RESPONSIVE — mobile first
   ============================================================ */

/* Mobile only: nav escondido, hamburger visível */
@media (max-width: 767px) {
  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(242, 242, 242, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-3) var(--container-padding-mobile);
    border-bottom: 1px solid var(--cinza-claro);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-medium),
      opacity var(--transition-medium),
      visibility var(--transition-medium);
  }

  .header-nav.menu-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header-nav a {
    width: 100%;
    padding: var(--space-2) 0;
    font-size: 16px;
    border-bottom: 1px solid var(--cinza-claro);
  }

  .header-nav a:last-child {
    border-bottom: none;
  }

  .header-menu-toggle {
    display: flex;
  }
}

/* Tablet+ (>=768px) */
@media (min-width: 768px) {
  .hero-subhead {
    font-size: 18px;
  }

  .section-placeholder {
    padding: var(--space-8) var(--container-padding-desktop);
  }

  /* Grids 2x2 */
  .cards-grid-2x2 {
    grid-template-columns: 1fr 1fr;
  }

  .diferenciais-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

  /* Passos do diagnóstico em 3 colunas */
  .passos-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-5);
  }

  /* Modal — mais espaço em telas maiores */
  .modal-step {
    padding: var(--space-5);
  }

  .modal-header {
    padding: var(--space-4) var(--space-5) var(--space-2);
  }

  .modal-footer {
    padding: var(--space-2) var(--space-5) var(--space-4);
  }
}

/* Desktop (>=1024px) */
@media (min-width: 1024px) {
  .header-container {
    padding: 16px var(--container-padding-desktop);
  }

  .hero-container {
    padding: 0 var(--container-padding-desktop);
  }

  .container {
    padding: 0 var(--container-padding-desktop);
  }

  .reconhecer,
  .como-transformamos,
  .casos,
  .diferenciais,
  .diagnostico {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .footer {
    padding: var(--space-5) var(--container-padding-desktop);
  }
}

/* Reduced motion — desabilita animações específicas que ficam ativas mesmo
   após o reset global do @layer base (com !important elas vencem). */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .hero-highlight,
  .triade-outer,
  .modal-container {
    animation: none !important;
  }

  /* Modal: sem slide horizontal — steps simplesmente aparecem/somem */
  .modal-step {
    transition: none !important;
    transform: none !important;
  }

  .modal-step:not([data-active="true"]) {
    display: none;
  }

  .modal-step[data-active="true"] {
    display: block;
    opacity: 1;
  }
}