/* =====================================================================
   Marchetti Studio — styles.css
   Dark tech / futurista. Tokens conforme specs/design.md.

   TEMAS: dark é o padrão da marca; light é o universo claro (design.md §2).
   Sem atributo → segue a preferência do sistema.
   [data-theme="light"] / [data-theme="dark"] → escolha explícita do visitante.

   Ordem: paleta → tokens semânticos → temas → reset → base → utilitários
          → componentes → seções → responsivo
   ===================================================================== */

/* ---------- 1. PALETA BRUTA DA MARCA (design.md §2) ---------- */
:root {
  --brand-ink: #070E24;
  --brand-navy: #0F1D4A;
  --brand-navy-deep: #162D6E;
  --brand-border-dark: #1E2C55;
  --brand-text-dark: #E6EAF2;
  --brand-muted-dark: #8B93A7;

  --brand-bg-light: #EDEFF3;
  --brand-surface-light: #FFFFFF;
  --brand-graphite: #1F2937;
  --brand-muted-light: #5B6472;
  --brand-border-light: #D1D5DB;

  --brand-accent: #16C46A;
  --brand-accent-bright: #4AE694;
  --brand-accent-deep: #0A7C41;   /* verde escurecido — só p/ TEXTO no tema claro (contraste AA) */
  --brand-info: #3B5FC4;
}

/* ---------- 2. TOKENS SEMÂNTICOS — TEMA ESCURO (padrão da marca) ---------- */
:root {
  --bg: var(--brand-ink);
  --surface: var(--brand-navy);
  --surface-soft: rgba(230, 234, 242, .04);
  --surface-alt: rgba(15, 29, 74, .38);
  --border: var(--brand-border-dark);
  --border-strong: var(--brand-navy-deep);
  --text: var(--brand-text-dark);
  --text-muted: var(--brand-muted-dark);
  --heading: var(--brand-text-dark);

  --accent: var(--brand-accent);
  --accent-bright: var(--brand-accent-bright);
  --accent-text: var(--brand-accent);          /* verde legível sobre o fundo do tema */
  --accent-contrast: var(--brand-ink);         /* texto sobre o botão verde */
  --accent-soft: rgba(22, 196, 106, .08);
  --accent-ring: rgba(22, 196, 106, .12);

  --header-bg: rgba(7, 14, 36, .72);
  --header-bg-solid: rgba(7, 14, 36, .93);
  --drawer-bg: rgba(7, 14, 36, .98);
  --footer-bg: rgba(7, 14, 36, .6);

  --shadow-card: 0 16px 40px rgba(0, 0, 0, .35);
  --shadow-btn: 0 8px 28px rgba(22, 196, 106, .28);
  --shadow-float: 0 8px 24px rgba(0, 0, 0, .45);

  --stars-opacity: .5;
  --grid-opacity: .22;
  --aura-hero-opacity: .55;
  --aura-cta-opacity: .45;
  --media-blend: normal;

  /* Campo de estrelas interativo do hero (canvas) */
  --sf-base: #5C6E9E;                    /* estrela em repouso — steel frio sobre o navy */
  --sf-active: var(--brand-accent-bright); /* estrela sob o cursor — mint (sinal verde) */

  color-scheme: dark;
}

/* ---------- 3. TEMA CLARO ---------- */
/* Aplicado quando o sistema pede claro e o visitante não escolheu escuro… */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    /* Fundo com tinta navy (não branco puro) e superfícies destacadas dele */
    --bg: #E4E9F2;
    --surface: #F7F9FC;
    --surface-soft: rgba(22, 45, 110, .05);
    --surface-alt: rgba(22, 45, 110, .08);
    --border: #C3CDDF;
    --border-strong: #8B9BBB;
    --text: var(--brand-graphite);
    --text-muted: #4E5A6E;
    --heading: var(--brand-navy-deep);

    /* Navy no lugar do verde para rótulos, ícones e links.
       O verde fica reservado às ações (botões, etapa ativa) — hierarquia 60/25/15. */
    --accent-text: var(--brand-navy-deep);
    --accent-soft: rgba(22, 45, 110, .07);
    --accent-ring: rgba(22, 196, 106, .16);

    --header-bg: rgba(228, 233, 242, .82);
    --header-bg-solid: #E4E9F2;
    --drawer-bg: #E4E9F2;
    --footer-bg: rgba(22, 45, 110, .05);

    --shadow-card: 0 14px 34px rgba(22, 45, 110, .14);
    --shadow-btn: 0 8px 28px rgba(22, 196, 106, .3);
    --shadow-float: 0 8px 24px rgba(22, 45, 110, .26);

    --stars-opacity: 0;
    --grid-opacity: .5;
    --aura-hero-opacity: .16;
    --aura-cta-opacity: .12;
    --media-blend: normal;

    /* Estrelas escuras (navy) sobre o fundo claro; verde de sinal na interação */
    --sf-base: #46578C;
    --sf-active: var(--brand-accent);

    color-scheme: light;
  }
}

/* …e sempre que o visitante escolher claro explicitamente. */
:root[data-theme="light"] {
  --bg: #E4E9F2;
  --surface: #F7F9FC;
  --surface-soft: rgba(22, 45, 110, .05);
  --surface-alt: rgba(22, 45, 110, .08);
  --border: #C3CDDF;
  --border-strong: #8B9BBB;
  --text: var(--brand-graphite);
  --text-muted: #4E5A6E;
  --heading: var(--brand-navy-deep);

  --accent-text: var(--brand-navy-deep);
  --accent-soft: rgba(22, 45, 110, .07);
  --accent-ring: rgba(22, 196, 106, .16);

  --header-bg: rgba(228, 233, 242, .82);
  --header-bg-solid: #E4E9F2;
  --drawer-bg: #E4E9F2;
  --footer-bg: rgba(22, 45, 110, .05);

  --shadow-card: 0 14px 34px rgba(22, 45, 110, .14);
  --shadow-btn: 0 8px 28px rgba(22, 196, 106, .3);
  --shadow-float: 0 8px 24px rgba(22, 45, 110, .26);

  --stars-opacity: 0;
  --grid-opacity: .5;
  --aura-hero-opacity: .16;
  --aura-cta-opacity: .12;

  --sf-base: #46578C;
  --sf-active: var(--brand-accent);

  color-scheme: light;
}

/* ---------- 4. TOKENS ESTRUTURAIS (iguais nos dois temas) ---------- */
:root {
  /* Tipografia (design.md §3) */
  --font-display: "Michroma", "Arial Black", sans-serif;
  --font-body: "Space Mono", ui-monospace, "Courier New", monospace;

  --fs-display: clamp(2.1rem, 4.6vw, 4rem);
  --fs-h1: clamp(1.75rem, 3.4vw, 2.9rem);
  --fs-h2: clamp(1.35rem, 2.6vw, 2.1rem);
  --fs-h3: clamp(1.05rem, 1.5vw, 1.3rem);
  --fs-lead: 1.125rem;
  --fs-body: 1rem;
  --fs-label: .8125rem;
  --fs-micro: .75rem;

  /* Espaçamento — base 8 (design.md §4) */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;
  --sp-9: 96px; --sp-10: 128px;
  --section-y: clamp(72px, 11vh, 150px);

  /* Raios (design.md §5) */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* Movimento (design.md §10) */
  --ease: cubic-bezier(.16, 1, .3, 1);
  --t-micro: 200ms;
  --t-mid: 300ms;
  --t-enter: 700ms;

  --container: 1240px;
  --gutter: clamp(20px, 5vw, 40px);
  --header-h: 76px;
}

/* ---------- 5. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
html:focus-within { scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
/* <picture> some do layout: o <img> interno vira filho direto do flex/figure,
   preservando o object-fit/height dos cards. */
picture { display: contents; }
button, input, textarea, select { font: inherit; color: inherit; }
ul[class], ol[class] { list-style: none; padding: 0; }
a { color: inherit; text-decoration: none; }

@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 6. BASE ---------- */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  /* `clip` (com fallback `hidden`) evita que o body vire bloco de contenção
     para os elementos `position: fixed` — causa comum de "fantasma"/smear. */
  overflow-x: hidden;
  overflow-x: clip;
  scroll-behavior: smooth;
  /* Sem transição de cor no body: animar a página inteira na troca de tema
     provocava repintura duplicada em alguns navegadores. A troca é instantânea. */
}

/* Durante a troca de tema, TODAS as transições são desligadas.
   Sem isso, centenas de elementos animam cor ao mesmo tempo e o compositor
   pode manter a pintura antiga na tela (efeito de conteúdo duplicado). */
.theme-switching,
.theme-switching *,
.theme-switching *::before,
.theme-switching *::after {
  transition: none !important;
  animation: none !important;
}
body.is-locked { overflow: hidden; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--heading);
}
/* Títulos de card/etapa usam Space Mono e seguem a cor de texto normal */
.card__title, .feature__title, .process__title { color: var(--text); }

::selection { background: var(--accent); color: var(--accent-contrast); }

:focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: -100px;
  z-index: 999;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-md);
  font-weight: 700;
  transition: top var(--t-micro) var(--ease);
}
.skip-link:focus { top: var(--sp-4); }

/* ---------- 7. FUNDOS DECORATIVOS ---------- */
.bg-layers {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.bg-stars {
  position: absolute;
  inset: 0;
  background: url("../img/bg-starfield.jpg") repeat;
  background-image: -webkit-image-set(url("../img/bg-starfield.webp") type("image/webp"), url("../img/bg-starfield.jpg") type("image/jpeg"));
  background-image: image-set(url("../img/bg-starfield.webp") type("image/webp"), url("../img/bg-starfield.jpg") type("image/jpeg"));
  background-size: 700px;
  opacity: var(--stars-opacity);
  transition: opacity var(--t-mid) var(--ease);
}
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: var(--grid-opacity);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 100%);
}

/* ---------- 8. LAYOUT / UTILITÁRIOS ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 860px; }

.section {
  position: relative;
  padding-block: var(--section-y);
}
.section--alt { background: linear-gradient(180deg, transparent, var(--surface-alt), transparent); }

.section-head {
  max-width: 760px;
  margin-bottom: clamp(40px, 6vh, 72px);
}
.section-title { font-size: var(--fs-h1); margin-bottom: var(--sp-4); }
.section-lead {
  color: var(--text-muted);
  font-size: var(--fs-lead);
  max-width: 62ch;
}
.section-cta { margin-top: clamp(40px, 5vh, 64px); }

.eyebrow {
  font-size: var(--fs-label);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: var(--sp-4);
}

.grad {
  background: linear-gradient(90deg, var(--accent-text), var(--accent-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
:root[data-theme="light"] .grad,
:root:not([data-theme="dark"]) .grad { }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .grad {
    background: linear-gradient(90deg, var(--brand-accent-deep), var(--brand-accent));
    -webkit-background-clip: text;
    background-clip: text;
  }
}
:root[data-theme="light"] .grad {
  background: linear-gradient(90deg, var(--brand-accent-deep), var(--brand-accent));
  -webkit-background-clip: text;
  background-clip: text;
}

.grid { display: grid; gap: var(--sp-5); }

/* ---------- 9. BOTÕES (design.md §6) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  min-height: 48px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .9375rem;
  line-height: 1.2;
  cursor: pointer;
  text-align: center;
  transition: transform var(--t-micro) var(--ease),
              box-shadow var(--t-micro) var(--ease),
              background-color var(--t-micro) var(--ease),
              border-color var(--t-micro) var(--ease),
              color var(--t-micro) var(--ease);
}
.btn .icon { width: 20px; height: 20px; fill: currentColor; flex: none; }

.btn--primary {
  background: var(--accent);
  color: var(--accent-contrast);
}
.btn--primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: var(--shadow-btn);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--border-strong);
  background: var(--surface-soft);
  transform: translateY(-2px);
}
.btn--ghost .arrow {
  display: inline-block;
  transition: transform var(--t-micro) var(--ease);
}
.btn--ghost:hover .arrow { transform: translateX(4px); }

.btn--sm { min-height: 42px; padding: 10px 20px; font-size: .875rem; }
.btn--lg { min-height: 56px; padding: 16px 34px; font-size: 1rem; }

/* ---------- 10. HEADER ---------- */
/* Header sólido, sem backdrop-filter.
   O blur causava duplicação de tile do compositor em alguns navegadores/GPUs
   (página pintada duas vezes com deslocamento). Fundo opaco resolve e mantém a
   legibilidade do menu sobre qualquer seção. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg-solid);
  border-bottom: 1px solid transparent;
  transition: background-color var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.site-header.is-scrolled {
  background: var(--header-bg-solid);
  border-bottom-color: var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  min-height: var(--header-h);
}
.brand { flex: none; display: block; }
/* Logos já recortadas (600×247, sem moldura transparente) — a marca ocupa
   toda a largura declarada, então dá para crescer sem inflar o header. */
.brand img { width: clamp(128px, 12.5vw, 164px); height: auto; }

/* Troca de logo conforme o tema */
.logo--light { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .logo--dark { display: none; }
  :root:not([data-theme="dark"]) .logo--light { display: block; }
}
:root[data-theme="light"] .logo--dark { display: none; }
:root[data-theme="light"] .logo--light { display: block; }
:root[data-theme="dark"] .logo--dark { display: block; }
:root[data-theme="dark"] .logo--light { display: none; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: clamp(10px, 1.6vw, 26px); }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: .875rem;
  color: var(--text-muted);
  padding: 6px 2px;
  transition: color var(--t-micro) var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 8px;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-micro) var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--text); }
.nav__link.is-active::after { transform: scaleX(1); }

/* CTA do header só entra quando há espaço real (≥1024px).
   Abaixo disso, a conversão fica com o botão flutuante (.wa-float). */
.header__cta { display: none; flex: none; }

/* Alternador de tema — sempre visível */
.theme-toggle {
  flex: none;
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  transition: border-color var(--t-micro) var(--ease), color var(--t-micro) var(--ease), background var(--t-micro) var(--ease);
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent-text);
  background: var(--accent-soft);
}
.theme-toggle svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.theme-toggle__moon { display: none; }

/* No tema claro mostra a lua (ação: ir para o escuro) */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-toggle__sun { display: none; }
  :root:not([data-theme="dark"]) .theme-toggle__moon { display: block; }
}
:root[data-theme="light"] .theme-toggle__sun { display: none; }
:root[data-theme="light"] .theme-toggle__moon { display: block; }
:root[data-theme="dark"] .theme-toggle__sun { display: block; }
:root[data-theme="dark"] .theme-toggle__moon { display: none; }

.menu-toggle {
  display: none;
  flex: none;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 12px 11px;
  transition: border-color var(--t-micro) var(--ease);
}
.menu-toggle:hover { border-color: var(--border-strong); }
.menu-toggle__bar {
  display: block;
  width: 100%; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t-mid) var(--ease), opacity var(--t-micro) var(--ease);
}
.menu-toggle__bar + .menu-toggle__bar { margin-top: 5px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 11. HERO ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  /* Altura contida: o campo de estrelas tem presença sem virar tela cheia,
     evitando o vão morto entre header ↔ hero ↔ próxima seção. */
  min-height: min(58vh, 520px);
  padding-block: clamp(28px, 4vh, 60px);
  overflow: hidden;
}
.hero__aura {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url("../img/bg-hero-aura.jpg") center / cover no-repeat;
  background-image: -webkit-image-set(url("../img/bg-hero-aura.webp") type("image/webp"), url("../img/bg-hero-aura.jpg") type("image/jpeg"));
  background-image: image-set(url("../img/bg-hero-aura.webp") type("image/webp"), url("../img/bg-hero-aura.jpg") type("image/jpeg"));
  opacity: var(--aura-hero-opacity);
  mask-image: radial-gradient(ellipse 80% 80% at 55% 50%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 55% 50%, #000 10%, transparent 75%);
  pointer-events: none;
  transition: opacity var(--t-mid) var(--ease);
}
/* Campo de estrelas interativo (desenhado em canvas por main.js) */
.hero__starfield {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;   /* o mouse é lido no window; o canvas não intercepta cliques */
}
/* Vinheta: escurece as bordas em direção ao fundo, garantindo contraste do texto */
.hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 78% 82% at 50% 48%, transparent 42%, var(--bg) 100%),
    linear-gradient(to bottom, transparent 60%, var(--bg) 100%);
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(40px, 6vw, 64px);
  align-items: center;
}
.hero__content { max-width: 44rem; }
.hero__title {
  font-size: var(--fs-display);
  margin-bottom: var(--sp-5);
  max-width: 20ch;
}
.hero__lead {
  color: var(--text-muted);
  font-size: var(--fs-lead);
  max-width: 56ch;
  margin-bottom: var(--sp-7);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.hero__note {
  margin-top: var(--sp-5);
  font-size: var(--fs-micro);
  color: var(--text-muted);
  letter-spacing: .04em;
}

/* ---------- 12. CARDS (design.md §7) ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  overflow: hidden;
  transition: transform var(--t-mid) var(--ease),
              border-color var(--t-mid) var(--ease),
              box-shadow var(--t-mid) var(--ease),
              background-color var(--t-mid) var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card);
}
.card__index {
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  color: var(--text-muted);
  margin-bottom: var(--sp-4);
}
.card__icon {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--accent-text);
  margin-bottom: var(--sp-5);
  transition: border-color var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
}
.card__icon svg { width: 26px; height: 26px; }
.card:hover .card__icon { border-color: var(--accent); background: var(--accent-soft); }

.card__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--fs-h3);
  letter-spacing: 0;
  line-height: 1.35;
  margin-bottom: var(--sp-3);
}
.card__text { color: var(--text-muted); font-size: .9375rem; }

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

/* Grid bento — cards de larguras diferentes (assimétrico) */
.bento { display: grid; gap: var(--sp-5); }

.card__media {
  margin-top: var(--sp-5);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}
.card__media img {
  width: 100%;
  aspect-ratio: 16 / 10;      /* altura previsível em todos os breakpoints */
  object-fit: cover;
  transition: transform 400ms var(--ease);
}
.card:hover .card__media img { transform: scale(1.03); }

/* ---------- 13. PROCESSO — stepper conduzido por scroll ----------
   Estrutura e movimento inspirados em padrão de mercado; identidade,
   cores e conteúdo são 100% Marchetti (design.md §0 e §12). */
.process { position: relative; }


/* Trilho vertical que liga as etapas */
.process__steps {
  position: relative;
  display: grid;
  gap: var(--sp-7);
}
.process__steps::before {
  content: "";
  position: absolute;
  left: 19px; top: 12px; bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--border) 10%, var(--border) 90%, transparent);
}

.process__step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-4) var(--sp-5);
  align-items: start;
  padding-block: var(--sp-4);
}

/* Badge numérico */
.process__num {
  grid-row: span 2;
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .04em;
  transition: border-color var(--t-mid) var(--ease),
              color var(--t-mid) var(--ease),
              box-shadow var(--t-mid) var(--ease);
}
.process__label {
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-2);
  transition: color var(--t-mid) var(--ease);
}
.process__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--fs-h3);
  letter-spacing: 0;
  margin-bottom: var(--sp-2);
}
.process__text { color: var(--text-muted); font-size: .9375rem; max-width: 48ch; }

/* Painel visual da etapa */
.process__visual {
  grid-column: 2;
  display: grid;
  place-items: center;
  min-height: 150px;
  margin-top: var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
  color: var(--text-muted);
  transition: border-color var(--t-mid) var(--ease),
              color var(--t-mid) var(--ease),
              background-color var(--t-mid) var(--ease);
}
.process__visual svg { width: 52px; height: 52px; }

/* --- Estado ativo da etapa (só onde há espaço; ver §21) --- */
@media (min-width: 768px) {
  .js .process__step {
    opacity: .3;
    transform: translateY(12px);
    transition: opacity var(--t-enter) var(--ease), transform var(--t-enter) var(--ease);
  }
  .js .process__step.is-active { opacity: 1; transform: none; }

  .process__step.is-active .process__num {
    border-color: var(--accent);
    color: var(--accent-text);
    box-shadow: 0 0 0 4px var(--accent-ring);
  }
  .process__step.is-active .process__label { color: var(--accent-text); }
  .process__step.is-active .process__visual {
    border-color: var(--accent);
    color: var(--accent-text);
    background: var(--accent-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .js .process__step { opacity: 1 !important; transform: none !important; transition: none; }
}

/* ---------- 14. DIFERENCIAIS ---------- */
.feature {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
  padding: var(--sp-6);
  transition: transform var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease), background-color var(--t-mid) var(--ease);
}
.feature:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.feature__icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  color: var(--accent-text);
  margin-bottom: var(--sp-4);
}
.feature__icon svg { width: 30px; height: 30px; }
.feature__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0;
  margin-bottom: var(--sp-2);
}
.feature__text { color: var(--text-muted); font-size: .9375rem; }

/* ---------- 15. SPLIT (Investimento / Contato) ---------- */
.split {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.split__media img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.split__content .section-title { margin-bottom: var(--sp-4); }
.split__content .section-lead { margin-bottom: var(--sp-5); }

.checklist {
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-7);
}
.checklist li {
  position: relative;
  padding-left: var(--sp-6);
  color: var(--text-muted);
  font-size: .9375rem;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 12px; height: 7px;
  border-left: 2px solid var(--accent-text);
  border-bottom: 2px solid var(--accent-text);
  transform: rotate(-45deg);
}

/* ---------- 16. ACCORDION / FAQ ---------- */
.accordion { display: grid; gap: var(--sp-3); }
.accordion__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  overflow: hidden;
  transition: border-color var(--t-mid) var(--ease), background-color var(--t-mid) var(--ease);
}
.accordion__item:hover { border-color: var(--border-strong); }
.accordion__item.is-open { border-color: var(--border-strong); background: var(--surface-alt); }

.accordion__trigger {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-size: .9375rem;
  font-weight: 700;
  line-height: 1.5;
  transition: color var(--t-micro) var(--ease);
}
.accordion__trigger:hover { color: var(--accent-text); }

.accordion__sign {
  position: relative;
  flex: none;
  width: 16px; height: 16px;
}
.accordion__sign::before,
.accordion__sign::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  background: var(--accent-text);
  transform: translate(-50%, -50%);
  transition: transform var(--t-mid) var(--ease), opacity var(--t-micro) var(--ease);
}
.accordion__sign::before { width: 14px; height: 2px; }
.accordion__sign::after { width: 2px; height: 14px; }
.accordion__trigger[aria-expanded="true"] .accordion__sign::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.accordion__panel { padding: 0 var(--sp-5) var(--sp-5); }
.accordion__panel p { color: var(--text-muted); font-size: .9375rem; }
.accordion__panel strong { color: var(--text); }

/* ---------- 17. CTA FINAL ---------- */
.cta-final { position: relative; overflow: hidden; }
.cta-final__aura {
  position: absolute;
  inset: 0;
  background: url("../img/bg-cta-aura.jpg") center / cover no-repeat;
  background-image: -webkit-image-set(url("../img/bg-cta-aura.webp") type("image/webp"), url("../img/bg-cta-aura.jpg") type("image/jpeg"));
  background-image: image-set(url("../img/bg-cta-aura.webp") type("image/webp"), url("../img/bg-cta-aura.jpg") type("image/jpeg"));
  opacity: var(--aura-cta-opacity);
  mask-image: radial-gradient(ellipse 70% 70% at 40% 50%, #000 5%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 40% 50%, #000 5%, transparent 72%);
  pointer-events: none;
  transition: opacity var(--t-mid) var(--ease);
}
.cta-final .container { position: relative; }

.contact-list {
  display: grid;
  gap: var(--sp-4);
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}
.contact-list dt {
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-1);
}
.contact-list dd { margin: 0; font-size: .9375rem; }
.contact-list a {
  color: var(--text);
  border-bottom: 1px solid transparent;
  transition: color var(--t-micro) var(--ease), border-color var(--t-micro) var(--ease);
  overflow-wrap: anywhere;
}
.contact-list a:hover { color: var(--accent-text); border-bottom-color: var(--accent-text); }

/* ---------- 18. FOOTER ---------- */
.site-footer {
  position: relative;
  border-top: 1px solid var(--border);
  padding-top: clamp(48px, 7vh, 80px);
  background: var(--footer-bg);
  transition: background-color var(--t-mid) var(--ease);
}
.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-7);
  padding-bottom: var(--sp-7);
}
.footer__inner > * { min-width: 0; }
.footer__brand img { width: 132px; height: auto; opacity: .9; }
.footer__tagline {
  margin-top: var(--sp-3);
  font-size: var(--fs-micro);
  color: var(--text-muted);
  letter-spacing: .04em;
}
.footer__nav ul { display: grid; gap: var(--sp-2); }
.footer__nav a,
.footer__contact a {
  font-size: .875rem;
  color: var(--text-muted);
  overflow-wrap: anywhere;
  transition: color var(--t-micro) var(--ease);
}
.footer__nav a:hover,
.footer__contact a:hover { color: var(--accent-text); }
.footer__contact p { margin-bottom: var(--sp-2); }
.footer__note { font-size: var(--fs-micro); color: var(--text-muted); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: var(--sp-5);
  border-top: 1px solid var(--border);
  font-size: var(--fs-micro);
  color: var(--text-muted);
}
.footer__top { transition: color var(--t-micro) var(--ease); }
.footer__top:hover { color: var(--accent-text); }

/* ---------- 19. WHATSAPP FLUTUANTE ---------- */
.wa-float {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 90;
  width: 56px; height: 56px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--accent-contrast);
  border-radius: 50%;
  box-shadow: var(--shadow-float);
  transition: transform var(--t-micro) var(--ease), box-shadow var(--t-micro) var(--ease), background var(--t-micro) var(--ease);
}
.wa-float svg { width: 28px; height: 28px; fill: currentColor; }
.wa-float:hover {
  background: var(--accent-bright);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(22, 196, 106, .35);
}

/* ---------- 20. REVEAL ON SCROLL ----------
   O estado inicial oculto só é aplicado quando há JS (classe .js no <html>).
   Sem JS — ou se o script falhar — todo o conteúdo permanece visível. */
.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-enter) var(--ease), transform var(--t-enter) var(--ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .reveal[data-delay="1"] { transition-delay: 90ms; }
.js .reveal[data-delay="2"] { transition-delay: 180ms; }
.js .reveal[data-delay="3"] { transition-delay: 270ms; }
.js .reveal[data-delay="4"] { transition-delay: 360ms; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* =====================================================================
   21. RESPONSIVO (mobile-first — site.md §11)
   ===================================================================== */

/* --- < 768px: menu drawer --- */
@media (max-width: 767px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    margin: 0;
    background: var(--drawer-bg);
    border-bottom: 1px solid var(--border);
    padding: var(--sp-5) var(--gutter) var(--sp-6);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease), visibility var(--t-mid);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__link {
    display: flex;
    min-height: 48px;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav__link::after { display: none; }
  .nav__link.is-active { color: var(--accent-text); }

  /* Botões no lado oposto da logo: o alternador empurra o grupo para a direita
     (a .nav é `fixed` aqui, então não ocupa espaço no flex do header). */
  .theme-toggle { margin-left: auto; }
  .menu-toggle { display: block; }

  .hero__title { max-width: 100%; letter-spacing: -.03em; }
  .card { padding: var(--sp-5); }
  .process__text { max-width: none; }
}

/* --- ≥ 600px: grids de 2 colunas --- */
@media (min-width: 600px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .grid--features { grid-template-columns: repeat(2, 1fr); }
  .contact-list { grid-template-columns: repeat(2, 1fr); }
}

/* --- 768–1023px: TABLET — nav horizontal compacto --- */
@media (min-width: 768px) and (max-width: 1023px) {
  .nav__list { gap: clamp(8px, 1.4vw, 16px); }
  .nav__link { font-size: .8125rem; }
  .brand img { width: clamp(104px, 13vw, 132px); }
}

/* --- ≥ 768px: rodapé em colunas --- */
@media (min-width: 768px) {
  .footer__inner { grid-template-columns: 1.4fr 1fr 1.2fr; }
}

/* --- ≥ 1024px: layout desktop --- */
@media (min-width: 1024px) {
  /* Bento assimétrico: 7/5 na primeira linha, 5/7 na segunda */
  .bento { grid-template-columns: repeat(12, 1fr); }
  .card--wide { grid-column: span 7; }
  .card--narrow { grid-column: span 5; }
  .bento > .card:nth-child(3) { grid-column: span 5; }
  .bento > .card:nth-child(4) { grid-column: span 7; }

  /* Todos os cards têm a mesma estrutura: texto em cima, imagem ocupando a
     largura inteira embaixo. As artes são paisagem (4:3) — numa coluna lateral
     estreita elas nunca preencheriam a altura do card e sobrava área vazia.
     A assimetria do bento vem da LARGURA (7/5 · 5/7), não do arranjo interno. */
  .grid--features { grid-template-columns: repeat(3, 1fr); }

  .card { padding: var(--sp-5); }
  /* A imagem cresce para preencher a altura que sobra no card.
     Sem isso ela ficava ancorada embaixo e abria um vão em branco entre o
     texto e a imagem nos cards mais curtos da linha. */
  .card__media {
    flex: 1 1 auto;
    margin-top: var(--sp-5);
    min-height: 170px;
  }
  .card__media img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }

  /* Processo: zigue-zague + dots fixos */
  .process__steps { gap: clamp(64px, 8vh, 112px); }
  .process__steps::before { left: 27px; }
  .process__step {
    grid-template-columns: auto minmax(0, 1fr) minmax(0, .9fr);
    align-items: center;
    gap: var(--sp-6);
  }
  .process__num { grid-row: 1; width: 56px; height: 56px; font-size: .9375rem; }
  .process__visual { grid-column: 3; grid-row: 1; margin-top: 0; min-height: 190px; }
  /* etapas pares invertem a ordem */
  .process__step:nth-child(even) .process__content { order: 3; }
  .process__step:nth-child(even) .process__visual { order: 2; grid-column: 2; }

  .split { grid-template-columns: 1fr 1fr; }
  .split--reverse .split__content { order: 1; }
  .split--reverse .split__media { order: 2; }
}

/* --- ≥ 1200px: só aqui o CTA cabe junto da logo maior + menu + alternador.
   Abaixo disso a conversão fica com o botão flutuante (.wa-float). --- */
@media (min-width: 1200px) {
  .header__cta { display: inline-flex; }
}

/* --- ≥ 1280px: mais respiro nos cards --- */
@media (min-width: 1280px) {
  .card { padding: var(--sp-6); }
}

/* --- Telas muito estreitas --- */
@media (max-width: 380px) {
  :root { --fs-display: 1.85rem; }
  .btn { width: 100%; }
  .hero__actions { flex-direction: column; align-items: stretch; }
}