/* =========================================================================
   CogNexa — folha de estilo única
   Tokens → base → layout → componentes → seções → responsivo
   Contrastes verificados em src/check.ts (mínimo AA).
   ========================================================================= */

/* ---------- 1. Tokens ---------- */

:root {
  /* Cores */
  --bg: #f7f8fa;
  --surface: #ffffff;
  --ink: #101b2d;
  --ink-soft: #2a3648;
  --ink-muted: #4a5768; /* 6.92:1 sobre --bg */
  --accent: #087f8c; /* somente grafismos e elementos grandes */
  --accent-text: #056570; /* 6.37:1 sobre --bg */
  --accent-deep: #04585f; /* 7.70:1 sobre --bg */
  --accent-soft: #8fd6dc; /* 10.54:1 sobre --ink */
  --line: #e1e7ed;
  --line-strong: #cdd6e0;
  --on-dark: #ffffff;
  --on-dark-muted: #c2ccd9; /* 11.6:1 sobre --ink */

  /* Tipografia */
  --font-sans:
    ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

  --step--1: clamp(0.83rem, 0.79rem + 0.18vw, 0.92rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.09rem);
  --step-1: clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
  --step-2: clamp(1.35rem, 1.2rem + 0.72vw, 1.75rem);
  --step-3: clamp(1.65rem, 1.36rem + 1.35vw, 2.4rem);
  --step-4: clamp(2rem, 1.5rem + 2.3vw, 3.25rem);

  /* Espaço e formas */
  --container: 1200px;
  --gutter: 20px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --section-y: clamp(64px, 8vw, 112px);
  --header-h: 68px;

  --shadow-sm: 0 1px 2px rgba(16, 27, 45, 0.05);
  --shadow: 0 18px 44px -28px rgba(16, 27, 45, 0.4);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (min-width: 768px) {
  :root {
    --gutter: 32px;
    --header-h: 76px;
  }
}

/* ---------- 2. Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.6;
  font-feature-settings: "tnum" 0;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.14;
  letter-spacing: -0.021em;
  font-weight: 640;
  text-wrap: balance;
}

h1 {
  font-size: var(--step-4);
  letter-spacing: -0.032em;
}
h2 {
  font-size: var(--step-3);
  letter-spacing: -0.027em;
}
h3 {
  font-size: var(--step-1);
}

p {
  margin: 0;
  text-wrap: pretty;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--accent-text);
  text-underline-offset: 3px;
}

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

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

.dark-section :focus-visible {
  outline-color: var(--accent-soft);
}

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

/* ---------- 3. Utilitários de layout ---------- */

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-y);
}

.section--surface {
  background: var(--surface);
}

.dark-section {
  background: var(--ink);
  color: var(--on-dark);
}

.dark-section h2,
.dark-section h3 {
  color: var(--on-dark);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 8px;
  transform: translate(-50%, -160%);
  z-index: 100;
  background: var(--ink);
  color: var(--on-dark);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s var(--ease);
}

.skip-link:focus-visible {
  transform: translate(-50%, 0);
}

.eyebrow {
  display: block;
  font-size: var(--step--1);
  font-weight: 650;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent-text);
}

.dark-section .eyebrow {
  color: var(--accent-soft);
}

.lead {
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--ink-muted);
  max-width: 62ch;
}

.dark-section .lead {
  color: var(--on-dark-muted);
}

.section-head {
  max-width: 44ch;
}

.section-head h2 + p {
  margin-top: 18px;
}

.section-head .eyebrow + h2 {
  margin-top: 14px;
}

/* ---------- 4. Botões ---------- */

.btn {
  --btn-bg: var(--accent-text);
  --btn-fg: var(--on-dark);
  --btn-border: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 22px;
  border: 1px solid var(--btn-border);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: inherit;
  font-weight: 620;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.18s var(--ease),
    color 0.18s var(--ease),
    border-color 0.18s var(--ease),
    transform 0.18s var(--ease);
}

.btn:hover {
  --btn-bg: var(--accent-deep);
}

.btn:active {
  transform: translateY(1px);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-border: var(--line-strong);
}

.btn--ghost:hover {
  --btn-bg: transparent;
  --btn-fg: var(--accent-deep);
  --btn-border: var(--accent-text);
}

.btn--light {
  --btn-bg: var(--on-dark);
  --btn-fg: var(--accent-deep);
}

.btn--light:hover {
  --btn-bg: #eaf4f5;
  --btn-fg: var(--accent-deep);
}

/* Botão secundário sobre a faixa escura de contato. */
.btn--on-dark {
  --btn-bg: transparent;
  --btn-fg: #ffffff;
  --btn-border: rgba(255, 255, 255, 0.45);
}

.btn--on-dark:hover {
  --btn-bg: rgba(255, 255, 255, 0.1);
  --btn-fg: #ffffff;
  --btn-border: rgba(255, 255, 255, 0.75);
}

.btn--sm {
  min-height: 42px;
  padding: 10px 18px;
  font-size: var(--step--1);
}

.btn--block {
  width: 100%;
}

.btn .icon {
  flex: none;
}

/* ---------- 5. Cabeçalho ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.header[data-scrolled="true"] {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-block: 9px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 680;
  font-size: 1.16rem;
  letter-spacing: -0.02em;
  margin-right: auto;
}

.brand__mark {
  flex: none;
}

.brand__name .brand__accent {
  color: var(--accent-text);
}

.nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  display: inline-block;
  padding: 9px 13px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: var(--step--1);
  font-weight: 560;
  text-decoration: none;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.nav__link:hover {
  color: var(--accent-deep);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
}

.header__cta {
  display: none;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle__bars {
  position: relative;
  width: 18px;
  height: 12px;
}

.menu-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.2s var(--ease), opacity 0.15s var(--ease);
}

.menu-toggle__bars span:nth-child(1) {
  top: 0;
}
.menu-toggle__bars span:nth-child(2) {
  top: 5px;
}
.menu-toggle__bars span:nth-child(3) {
  top: 10px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.mobile-menu {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu__list {
  display: grid;
  gap: 2px;
  padding-block: 12px;
}

.mobile-menu__link {
  display: block;
  padding: 14px 4px;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 560;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.mobile-menu__cta {
  padding-block: 16px 22px;
}

@media (min-width: 900px) {
  .nav,
  .header__cta {
    display: block;
  }

  .menu-toggle,
  .mobile-menu {
    display: none !important;
  }
}

/* ---------- 6. Hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(48px, 7vw, 96px) clamp(56px, 8vw, 104px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% 0 auto -10%;
  height: 720px;
  background: radial-gradient(
    58% 52% at 22% 38%,
    color-mix(in srgb, var(--accent) 13%, transparent),
    transparent 70%
  );
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  gap: clamp(40px, 6vw, 64px);
  align-items: center;
}

.hero__title {
  margin-top: 18px;
}

.hero__description {
  margin-top: 22px;
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 34ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* Em telas estreitas, os dois CTAs ocupam a largura toda: fica deliberado
   em vez de parecer quebra de linha acidental. */
@media (max-width: 479px) {
  .hero__actions {
    display: grid;
    gap: 10px;
  }
}

.hero__support {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 22px;
  max-width: 46ch;
  font-size: var(--step--1);
  color: var(--ink-muted);
}

.hero__support .icon {
  flex: none;
  margin-top: 2px;
  color: var(--accent-text);
}

.hero__figure {
  margin: 0;
  max-width: 540px;
  margin-inline: auto;
}

@media (min-width: 960px) {
  .hero__figure {
    max-width: none;
  }
}

.hero__figure svg {
  width: 100%;
  height: auto;
}

@media (min-width: 960px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

/* ---------- 7. Problemas ---------- */

.problems__grid {
  display: grid;
  gap: 0;
  margin-top: clamp(36px, 4vw, 52px);
  border-top: 1px solid var(--line);
}

.problem {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding-block: clamp(22px, 2.6vw, 30px);
  border-bottom: 1px solid var(--line);
}

.problem__index {
  flex: none;
  width: 34px;
  padding-top: 3px;
  font-size: var(--step--1);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  color: var(--accent-text);
}

.problem__text {
  font-size: var(--step-2);
  font-weight: 560;
  line-height: 1.3;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

@media (min-width: 860px) {
  .problems__grid {
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(32px, 5vw, 72px);
  }
}

/* ---------- 8. Soluções ---------- */

.solutions__list {
  display: grid;
  gap: clamp(20px, 2.6vw, 28px);
  margin-top: clamp(40px, 4.6vw, 60px);
}

.solution {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(26px, 3.4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.solution__index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--step--1);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
  color: var(--accent-text);
}

.solution__index::after {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--line-strong);
}

.solution__title {
  margin-top: 14px;
  font-size: var(--step-2);
}

.solution__lead {
  margin-top: 14px;
  color: var(--ink-muted);
  max-width: 44ch;
}

.solution__highlight {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--accent-deep);
  font-weight: 580;
  line-height: 1.45;
}

.solution__highlight .icon {
  flex: none;
  margin-top: 2px;
}

.solution__items {
  display: grid;
  gap: 2px;
  align-content: start;
}

.solution__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-block: 13px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.solution__item:last-child {
  border-bottom: 1px solid var(--line);
}

.solution__item .icon {
  flex: none;
  margin-top: 4px;
  color: var(--accent);
}

@media (min-width: 900px) {
  .solution {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

.sectors {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: clamp(32px, 3.6vw, 44px);
}

.sectors__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sectors__label {
  font-size: var(--step--1);
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.sector {
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  font-size: var(--step--1);
  color: var(--ink-soft);
}

.sectors__note {
  flex-basis: 100%;
  font-size: var(--step--1);
  color: var(--ink-muted);
}

/* ---------- 9. Exemplo ilustrativo ---------- */

.example__inner {
  display: grid;
  gap: clamp(36px, 5vw, 60px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px 7px 12px;
  border: 1px solid color-mix(in srgb, var(--accent-soft) 40%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-soft) 13%, transparent);
  color: var(--accent-soft);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.badge .icon {
  flex: none;
}

.example__title {
  margin-top: 20px;
}

.example__description {
  margin-top: 18px;
  color: var(--on-dark-muted);
  max-width: 52ch;
}

.moments {
  display: grid;
  gap: 0;
  margin-top: clamp(30px, 3.4vw, 40px);
}

.moment {
  display: flex;
  gap: 16px;
  padding-block: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.moment:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.moment__number {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid color-mix(in srgb, var(--accent-soft) 45%, transparent);
  border-radius: 50%;
  color: var(--accent-soft);
  font-size: var(--step--1);
  font-weight: 660;
  font-variant-numeric: tabular-nums;
}

.moment__title {
  font-size: var(--step-0);
  font-weight: 650;
}

.moment__text {
  margin-top: 4px;
  color: var(--on-dark-muted);
  font-size: var(--step--1);
  line-height: 1.55;
}

.panel {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.045);
  overflow: hidden;
}

.panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.panel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-soft);
}

.panel__title {
  font-size: var(--step--1);
  font-weight: 650;
  letter-spacing: 0.02em;
}

.panel__rows {
  display: grid;
}

.panel__row {
  display: grid;
  gap: 4px 16px;
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.panel__row:first-child {
  border-top: 0;
}

.panel__account {
  font-weight: 620;
}

.panel__stage,
.panel__action {
  font-size: var(--step--1);
  color: var(--on-dark-muted);
}

.panel__action {
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel__action .icon {
  flex: none;
  color: var(--accent-soft);
}

.tag {
  justify-self: start;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 620;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.tag--high {
  background: color-mix(in srgb, var(--accent-soft) 88%, transparent);
  color: #06323a;
}

.tag--mid {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.tag--low {
  background: rgba(255, 255, 255, 0.08);
  color: var(--on-dark-muted);
}

.panel__caption {
  padding: 14px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(0, 0, 0, 0.14);
  color: var(--on-dark-muted);
  font-size: var(--step--1);
}

@media (min-width: 620px) {
  .panel__row {
    grid-template-columns: minmax(0, 1.15fr) auto minmax(0, 1.1fr);
    align-items: center;
  }

  .panel__stage {
    grid-column: 1;
    grid-row: 2;
  }

  .panel__account {
    grid-column: 1;
    grid-row: 1;
  }

  .tag {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-self: center;
    align-self: center;
  }

  .panel__action {
    grid-column: 3;
    grid-row: 1 / span 2;
  }
}

@media (min-width: 1020px) {
  .example__inner {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    align-items: center;
  }
}

/* ---------- 10. Método ---------- */

.steps {
  display: grid;
  gap: clamp(18px, 2.2vw, 24px);
  margin-top: clamp(40px, 4.6vw, 56px);
  counter-reset: step;
}

.step {
  position: relative;
  padding: clamp(22px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}

.step__number {
  font-size: var(--step--1);
  font-weight: 680;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--accent-text);
}

.step__title {
  margin-top: 10px;
  font-size: var(--step-1);
}

.step__text {
  margin-top: 10px;
  color: var(--ink-muted);
  font-size: var(--step--1);
  line-height: 1.6;
}

.method__note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: clamp(26px, 3vw, 34px);
  color: var(--ink-muted);
  font-size: var(--step--1);
}

.method__note .icon {
  flex: none;
  margin-top: 2px;
  color: var(--accent-text);
}

@media (min-width: 700px) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 11. Sobre ---------- */

.about__inner {
  display: grid;
  gap: clamp(32px, 4.4vw, 60px);
}

.about__title {
  margin-top: 14px;
}

.about__text {
  margin-top: 20px;
  font-size: var(--step-1);
  line-height: 1.6;
  color: var(--ink-soft);
}

/* Aparece apenas quando houver biografias validadas em config/content.ts. */
.founders {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  margin-top: clamp(26px, 3vw, 34px);
}

.founder {
  padding: clamp(18px, 2.2vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.founder__name {
  font-size: var(--step-1);
}

.founder__role {
  margin-top: 4px;
  color: var(--accent-text);
  font-size: var(--step--1);
  font-weight: 600;
}

.founder__bio {
  margin-top: 10px;
  color: var(--ink-muted);
  font-size: var(--step--1);
  line-height: 1.6;
}

@media (min-width: 560px) {
  .founders {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.pillars {
  display: grid;
  gap: 0;
  align-content: start;
}

.pillar {
  padding-block: clamp(18px, 2.2vw, 24px);
  border-top: 1px solid var(--line);
}

.pillar:last-child {
  border-bottom: 1px solid var(--line);
}

.pillar__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--step-0);
  font-weight: 650;
}

.pillar__title .icon {
  flex: none;
  color: var(--accent);
}

.pillar__text {
  margin-top: 6px;
  padding-left: 28px;
  color: var(--ink-muted);
  font-size: var(--step--1);
  line-height: 1.6;
}

@media (min-width: 920px) {
  .about__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

/* ---------- 12. FAQ ---------- */

.faq__list {
  margin-top: clamp(32px, 3.6vw, 44px);
  border-top: 1px solid var(--line);
}

.faq__item {
  border-bottom: 1px solid var(--line);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: clamp(18px, 2.2vw, 24px);
  font-size: var(--step-1);
  font-weight: 580;
  line-height: 1.35;
  letter-spacing: -0.012em;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question:hover {
  color: var(--accent-deep);
}

.faq__icon {
  flex: none;
  color: var(--accent-text);
  transition: transform 0.22s var(--ease);
}

.faq__item[open] .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  padding-bottom: clamp(18px, 2.2vw, 24px);
  padding-right: 44px;
  max-width: 76ch;
  color: var(--ink-muted);
  line-height: 1.65;
}

/* ---------- 13. Contato ---------- */

.contact {
  background: linear-gradient(152deg, #056570 0%, #04585f 52%, #0a4450 100%);
  color: var(--on-dark);
}

.contact__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

.contact__title {
  color: var(--on-dark);
  max-width: 20ch;
}

.contact__text {
  margin-top: 18px;
  color: #d5e8ea;
  font-size: var(--step-1);
  line-height: 1.55;
  max-width: 48ch;
}

.contact__actions {
  display: grid;
  gap: 14px;
  justify-items: start;
}

.contact__note {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: #cfe3e5;
  font-size: var(--step--1);
  max-width: 40ch;
}

.contact__note .icon {
  flex: none;
  margin-top: 2px;
}

.contact__link {
  color: #ffffff;
  text-decoration: underline;
}

@media (min-width: 900px) {
  .contact__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .contact__actions {
    justify-items: end;
    text-align: right;
  }

  .contact__note {
    text-align: left;
  }
}

/* ---------- 14. Rodapé ---------- */

.footer {
  padding-block: clamp(44px, 5vw, 64px) 32px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.footer__top {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.footer__tagline {
  margin-top: 14px;
  max-width: 34ch;
  color: var(--ink-muted);
  font-size: var(--step--1);
  line-height: 1.6;
}

.footer__nav {
  display: grid;
  gap: 24px;
}

.footer__group-title {
  font-size: var(--step--1);
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

.footer__links {
  display: grid;
  gap: 0;
  margin-top: 8px;
}

/* Alvo de toque confortável: ~46px de altura. */
.footer__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-self: start;
  padding-block: 12px;
  color: var(--ink-muted);
  font-size: var(--step--1);
  line-height: 1.45;
  text-decoration: none;
}

.footer__link:hover {
  color: var(--accent-deep);
  text-decoration: underline;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: clamp(32px, 4vw, 48px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: var(--step--1);
}

@media (min-width: 760px) {
  .footer__top {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }

  .footer__nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 15. Botão flutuante de WhatsApp ---------- */

.float-wa {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 20px;
  border-radius: 999px;
  background: var(--accent-deep);
  color: var(--on-dark);
  font-size: var(--step--1);
  font-weight: 620;
  text-decoration: none;
  box-shadow: 0 14px 34px -12px rgba(4, 88, 95, 0.66);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition:
    opacity 0.22s var(--ease),
    transform 0.22s var(--ease),
    visibility 0.22s;
}

.float-wa[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.float-wa:hover {
  background: #063f47;
}

.float-wa .icon {
  flex: none;
}

@media (max-width: 479px) {
  .float-wa__label {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .float-wa {
    padding: 15px;
    min-width: 54px;
    justify-content: center;
  }
}

/* ---------- 16. Movimento reduzido ---------- */

@media (prefers-reduced-motion: no-preference) {
  .hero-viz__path {
    stroke-dasharray: 460;
    stroke-dashoffset: 460;
    animation: cx-draw 1.5s var(--ease) 0.25s forwards;
  }

  .hero-viz__pulse {
    transform-box: fill-box;
    transform-origin: center;
    animation: cx-pulse 3.6s var(--ease) 1.4s infinite;
  }

  @keyframes cx-draw {
    to {
      stroke-dashoffset: 0;
    }
  }

  @keyframes cx-pulse {
    0%,
    70%,
    100% {
      transform: scale(1);
      opacity: 0.45;
    }
    35% {
      transform: scale(1.16);
      opacity: 0.12;
    }
  }

  /* Só esconde quando há JS para revelar de volta: sem JS, tudo aparece. */
  .js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition:
      opacity 0.55s var(--ease),
      transform 0.55s var(--ease);
  }

  .js .reveal[data-revealed="true"] {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 17. Impressão ---------- */

@media print {
  .header,
  .float-wa,
  .skip-link {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .dark-section,
  .contact {
    background: #fff !important;
    color: #000 !important;
  }
}