/* ==========================================================================
   Akatá — folha de estilos principal
   Paleta extraída de docs/akata-marca.jpg (ver docs/PROJETO.md)
   ========================================================================== */

:root {
  /* Cores da marca */
  --azul-noturno: #051c3c;
  --laranja-eletrico: #fe551c;
  --ciano-sinaptico: #00f0f9;
  --branco: #fefefe;

  --laranja-suave: #ff8a5c;

  /* Tema escuro (padrão). O tema claro redefine estas variáveis abaixo. */
  --bg: #020c1d;
  --bg-elevated: #071a36;
  --surface: rgba(10, 37, 71, 0.55);
  --panel: #020c1d;
  --border: rgba(120, 170, 220, 0.16);
  --border-strong: rgba(120, 170, 220, 0.3);
  --text: #eaf2fb;
  --text-muted: #9db1ca;
  --accent: var(--ciano-sinaptico);        /* ciano para texto, links e ícones */
  --accent-warm: var(--laranja-eletrico);  /* laranja para texto e ícones */
  --gradient-brand: linear-gradient(100deg, var(--ciano-sinaptico) 0%, #7fc9ff 45%, var(--laranja-eletrico) 100%);
  --on-gradient: #020c1d;
  --header-bg: rgba(2, 12, 29, 0.6);
  --header-bg-solid: rgba(2, 12, 29, 0.88);
  --menu-bg: rgba(2, 12, 29, 0.97);
  --footer-bg: #01081a;
  --hero-top: #0a2c55;
  --grid-line: rgba(120, 170, 220, 0.07);
  --grid-line-soft: rgba(120, 170, 220, 0.05);
  --glow-orange: rgba(254, 85, 28, 0.16);
  --glow-cyan: rgba(0, 240, 249, 0.12);
  --ghost-bg: rgba(255, 255, 255, 0.02);
  --chip-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.9);

  /* Tipografia */
  --font-sans: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;

  /* Espaçamento e forma */
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1160px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 68px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  color-scheme: dark;
}

/* --------------------------------------------------------------------------
   Tema claro
   Vale quando o sistema está em modo claro (sem escolha salva) ou quando o
   visitante escolhe o modo claro (data-theme="light", ver tema.js e main.js).
   Os dois blocos abaixo devem ter o mesmo conteúdo.
   -------------------------------------------------------------------------- */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f9fc;
    --bg-elevated: #eaf0f7;
    --surface: #ffffff;
    --panel: #ffffff;
    --border: rgba(5, 28, 60, 0.12);
    --border-strong: rgba(5, 28, 60, 0.24);
    --text: #0a1a33;
    --text-muted: #46597a;
    --accent: #00707a;
    --accent-warm: #c43c0b;
    --gradient-brand: linear-gradient(100deg, #00838c 0%, #2b62a8 45%, #d9480f 100%);
    --on-gradient: #ffffff;
    --header-bg: rgba(246, 249, 252, 0.72);
    --header-bg-solid: rgba(246, 249, 252, 0.94);
    --menu-bg: rgba(246, 249, 252, 0.98);
    --footer-bg: #e6edf5;
    --hero-top: #dce8f5;
    --grid-line: rgba(5, 28, 60, 0.06);
    --grid-line-soft: rgba(5, 28, 60, 0.045);
    --glow-orange: rgba(254, 85, 28, 0.12);
    --glow-cyan: rgba(0, 190, 200, 0.12);
    --ghost-bg: rgba(5, 28, 60, 0.02);
    --chip-shadow: 0 8px 24px -16px rgba(5, 28, 60, 0.35);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f6f9fc;
  --bg-elevated: #eaf0f7;
  --surface: #ffffff;
  --panel: #ffffff;
  --border: rgba(5, 28, 60, 0.12);
  --border-strong: rgba(5, 28, 60, 0.24);
  --text: #0a1a33;
  --text-muted: #46597a;
  --accent: #00707a;
  --accent-warm: #c43c0b;
  --gradient-brand: linear-gradient(100deg, #00838c 0%, #2b62a8 45%, #d9480f 100%);
  --on-gradient: #ffffff;
  --header-bg: rgba(246, 249, 252, 0.72);
  --header-bg-solid: rgba(246, 249, 252, 0.94);
  --menu-bg: rgba(246, 249, 252, 0.98);
  --footer-bg: #e6edf5;
  --hero-top: #dce8f5;
  --grid-line: rgba(5, 28, 60, 0.06);
  --grid-line-soft: rgba(5, 28, 60, 0.045);
  --glow-orange: rgba(254, 85, 28, 0.12);
  --glow-cyan: rgba(0, 190, 200, 0.12);
  --ghost-bg: rgba(5, 28, 60, 0.02);
  --chip-shadow: 0 8px 24px -16px rgba(5, 28, 60, 0.35);
  color-scheme: light;
}

/* Imagens específicas de cada tema (logos com letras brancas ou azuis) */
.theme-light-only { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-light-only { display: block; }
  :root:not([data-theme="dark"]) .theme-dark-only { display: none; }
}
:root[data-theme="light"] .theme-light-only { display: block; }
:root[data-theme="light"] .theme-dark-only { display: none; }

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5.6vw, 4.1rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 650; letter-spacing: -0.01em; }
h4 { font-size: 1.05rem; font-weight: 650; letter-spacing: 0; }

p { margin: 0 0 1em; }

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

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 12px; top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--branco);
  color: var(--azul-noturno);
  border-radius: 8px;
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead,
.section-lead {
  font-size: clamp(1.08rem, 1.6vw, 1.22rem);
  color: var(--text-muted);
  max-width: 62ch;
}

/* --------------------------------------------------------------------------
   Botões
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--laranja-eletrico);
  color: #fff;
  box-shadow: 0 8px 28px -10px rgba(254, 85, 28, 0.8);
}
.btn-primary:hover { box-shadow: 0 12px 34px -10px rgba(254, 85, 28, 0.95); }

.btn-ghost {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--ghost-bg);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-sm { min-height: 40px; padding: 0 18px; font-size: 0.95rem; }

/* --------------------------------------------------------------------------
   Cabeçalho
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--header-bg);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.site-header.is-scrolled {
  background: var(--header-bg-solid);
  border-bottom-color: var(--border);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img { width: 120px; height: auto; }

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}
.site-nav a:not(.btn) {
  display: block;
  padding: 8px 14px;
  color: var(--text);
  font-size: 0.97rem;
  font-weight: 500;
  border-radius: 8px;
}
.site-nav a:not(.btn):hover { color: var(--accent); text-decoration: none; }
.site-nav li:last-child { margin-left: 10px; }
.site-nav { margin-left: auto; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Link de troca de idioma (PT / EN) */
.lang-switch {
  display: inline-grid;
  place-items: center;
  min-width: 44px; height: 44px;
  padding: 0 10px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.lang-switch:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* Botão de tema: mostra o sol no modo escuro e a lua no modo claro */
.theme-toggle {
  display: none;
  place-items: center;
  width: 44px; height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.js .theme-toggle { display: inline-grid; }
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle svg {
  width: 20px; height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  position: relative;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  position: absolute;
  left: 50%;
  width: 20px; height: 2px;
  margin-left: -10px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.nav-toggle-bar { top: 50%; margin-top: -1px; }
.nav-toggle-bar::before,
.nav-toggle-bar::after { content: ""; left: 0; margin-left: 0; }
.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(6px) rotate(45deg); background: var(--text); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-6px) rotate(-45deg); background: var(--text); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 8vw, 104px);
  background:
    radial-gradient(60% 70% at 78% 40%, var(--glow-orange), transparent 70%),
    radial-gradient(50% 60% at 62% 60%, var(--glow-cyan), transparent 70%),
    radial-gradient(90% 90% at 50% 0%, var(--hero-top) 0%, var(--bg) 70%);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 70% at 70% 45%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 70% at 70% 45%, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
}

.hero-copy h1 { margin-bottom: 0.4em; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-visual img {
  width: 100%;
  max-width: 520px;
  margin-inline: auto;
  filter: drop-shadow(0 0 40px rgba(254, 85, 28, 0.18));
  animation: float 7s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --------------------------------------------------------------------------
   Carrossel de parceiros
   Logos em cores originais sobre cartões claros (exigência comum dos manuais
   de marca). O main.js clona a lista até cobrir a tela e define
   --loop-distance (largura de uma lista) e --loop-duration; a animação desliza
   exatamente uma lista e reinicia, sem emenda. Sem JS, a lista fica parada.
   -------------------------------------------------------------------------- */
.partners {
  --partner-gap: 20px;
  border-bottom: 1px solid var(--border);
  padding: clamp(40px, 6vw, 64px) 0;
}
.partners-title {
  margin: 0 0 18px;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.partners-viewport { overflow: hidden; }
.partners-track {
  display: flex;
  justify-content: center;
}
.partners.is-animated .partners-viewport {
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.partners.is-animated .partners-track {
  justify-content: flex-start;
  width: max-content;
  animation: partners-scroll var(--loop-duration, 20s) linear infinite;
}
.partners:hover .partners-track { animation-play-state: paused; }

.partners-list {
  flex: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--partner-gap);
  padding-inline: var(--gutter);
}
.partners.is-animated .partners-list {
  flex-wrap: nowrap;
  padding: 0 var(--partner-gap) 0 0;
}
.partner {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 92px;
  min-width: 200px;
  padding: 14px 26px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--chip-shadow);
}
.partner img { width: auto; }
.partner .logo-wide { height: 34px; }
.partner .logo-stacked { height: 58px; }

@keyframes partners-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-1 * var(--loop-distance, 0px))); }
}

/* --------------------------------------------------------------------------
   Seções
   -------------------------------------------------------------------------- */
.section { padding: clamp(72px, 10vw, 120px) 0; position: relative; }

.section-head { margin-bottom: clamp(36px, 5vw, 56px); }

/* Cards de soluções */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  position: relative;
  padding: 30px 28px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.card p { color: var(--text-muted); margin-bottom: 0; }
.card strong { color: var(--text); }

.card-icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
}
.card-icon svg {
  width: 26px; height: 26px;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-orange { background: rgba(254, 85, 28, 0.1); }
.icon-orange svg { stroke: var(--accent-warm); }
.icon-cyan { background: rgba(0, 240, 249, 0.08); }
.icon-cyan svg { stroke: var(--accent); }
.icon-mixed { background: linear-gradient(135deg, rgba(0, 240, 249, 0.12), rgba(254, 85, 28, 0.12)); }
.icon-mixed svg { stroke: var(--text); }

.card-link {
  display: inline-block;
  margin-top: 18px;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Produto
   -------------------------------------------------------------------------- */
.section-product {
  background:
    radial-gradient(50% 50% at 90% 10%, rgba(0, 240, 249, 0.08), transparent 70%),
    radial-gradient(40% 40% at 0% 80%, rgba(254, 85, 28, 0.07), transparent 70%),
    var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.product-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  margin-bottom: clamp(48px, 6vw, 72px);
}
.product-intro .section-head { margin-bottom: 0; }

.name-note {
  margin-top: 18px;
  padding-left: 16px;
  border-left: 2px solid var(--laranja-eletrico);
  color: var(--text-muted);
  font-size: 0.98rem;
}
.name-note em { color: var(--text); }

/* Ilustração do painel */
.mock { margin: 0; }
.mock-window {
  /* A ilustração do painel é sempre escura, nos dois temas */
  --text: #eaf2fb;
  --text-muted: #9db1ca;
  --border: rgba(120, 170, 220, 0.16);
  --border-strong: rgba(120, 170, 220, 0.3);
  color: var(--text);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, #0c2a50, #071a36);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  overflow: hidden;
}
.mock-bar {
  display: flex;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.mock-bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}
.mock-body { padding: 20px 22px 22px; }
.mock-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.mock-title { font-weight: 650; }
.mock-badge {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--laranja-suave);
  background: rgba(254, 85, 28, 0.14);
  border: 1px solid rgba(254, 85, 28, 0.4);
}
.mock-chart { width: 100%; margin-bottom: 16px; }
.mock-grid path { stroke: rgba(160, 200, 240, 0.1); stroke-width: 1; fill: none; }
.mock-threshold { fill: none; stroke: rgba(234, 242, 251, 0.5); stroke-width: 1.5; stroke-dasharray: 5 5; }
.mock-line {
  fill: none;
  stroke: url(#g-score);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 520;
  stroke-dashoffset: 0;
}
.js .mock-line { stroke-dashoffset: 520; transition: stroke-dashoffset 2.2s var(--ease) 0.2s; }
.js .mock.is-visible .mock-line { stroke-dashoffset: 0; }
.mock-dot { fill: var(--laranja-eletrico); stroke: #fff; stroke-width: 2; }
.js .mock-dot { opacity: 0; transition: opacity 0.4s 2s; }
.js .mock.is-visible .mock-dot { opacity: 1; }

.mock-explain {
  padding: 14px 16px;
  border-radius: var(--radius);
  background: rgba(2, 12, 29, 0.55);
  border: 1px solid var(--border);
}
.mock-explain-title {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.mock-explain li {
  display: grid;
  grid-template-columns: 1fr 38%;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  padding: 4px 0;
}
.bar {
  display: block;
  height: 8px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--laranja-eletrico), var(--laranja-suave));
}
.bar-80 { width: 80%; }
.bar-60 { width: 60%; }
.bar-45 { width: 45%; }

.mock figcaption {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

/* Recursos */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.feature {
  padding: 30px 28px;
  background: var(--bg-elevated);
}
.feature h3 {
  display: flex;
  align-items: center;
  gap: 10px;
}
.feature h3::before {
  content: "";
  flex: none;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.feature:nth-child(even) h3::before {
  background: var(--accent-warm);
  box-shadow: 0 0 12px var(--accent-warm);
}
.feature p { margin: 0; color: var(--text-muted); font-size: 0.98rem; }

/* Como funciona */
.how { margin-top: clamp(56px, 7vw, 88px); }
.how-title {
  font-size: clamp(1.4rem, 2.4vw, 1.75rem);
  margin-bottom: 28px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 26px 22px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.step p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }
.step-num {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  margin-bottom: 16px;
  border-radius: 50%;
  font-weight: 700;
  color: var(--on-gradient);
  background: var(--gradient-brand);
}

/* --------------------------------------------------------------------------
   Sobre
   -------------------------------------------------------------------------- */
.about {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.about-symbol {
  position: relative;
  display: grid;
  place-items: center;
}
.about-symbol::before {
  content: "";
  position: absolute;
  width: 80%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(254, 85, 28, 0.2), rgba(0, 240, 249, 0.08) 50%, transparent 70%);
  filter: blur(10px);
}
.about-symbol img { position: relative; width: min(320px, 70%); }

.etymology {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin: 8px 0 28px;
}
.etym {
  flex: 1 1 180px;
  padding: 20px 22px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.etym dt { margin-bottom: 4px; }
.etym dd { margin: 0; color: var(--text-muted); }
.etym-word {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.etym-cyan { color: var(--accent); }
.etym-orange { color: var(--accent-warm); }
.etym-plus {
  font-size: 1.6rem;
  color: var(--text-muted);
}
.about-copy > p:last-child { color: var(--text-muted); }
.about-copy strong { color: var(--text); }

/* --------------------------------------------------------------------------
   Origem
   -------------------------------------------------------------------------- */
.section-origin {
  background:
    linear-gradient(var(--grid-line-soft) 1px, transparent 1px) 0 0 / 100% 56px,
    var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.origin-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.origin-group {
  padding: 28px 26px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--border);
}
.origin-group h3 {
  font-size: 0.8rem;
  font-family: var(--font-sans);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.origin-group li {
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-weight: 600;
  line-height: 1.4;
}
.origin-group li:first-child { border-top: 0; padding-top: 0; }
.org-detail { font-weight: 400; color: var(--text-muted); }

/* Linha com logo em cartão claro + nome */
.org {
  display: grid;
  grid-template-columns: 112px 1fr;
  align-items: center;
  gap: 16px;
}
.org-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  padding: 8px 12px;
  border-radius: 10px;
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--border);
}
.org-logo img { width: auto; max-width: 100%; }
.org-logo .logo-crest { height: 44px; }
.org-logo .logo-wide { height: 18px; }
.org-logo .logo-stacked { height: 38px; }

/* --------------------------------------------------------------------------
   Contato
   -------------------------------------------------------------------------- */
.section-contact {
  background: radial-gradient(60% 80% at 100% 100%, rgba(254, 85, 28, 0.12), transparent 70%);
}
.contact {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}
.contact-list {
  display: grid;
  gap: 12px;
}
.contact-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.contact-label {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
/* Marca visual de conteúdo pendente (ver docs/PENDENCIAS.md) */
.pendente {
  padding: 2px 10px;
  border: 1px dashed var(--border-strong);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   Rodapé
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 32px;
  background: var(--footer-bg);
}
.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px 40px;
}
.footer-brand img { width: 110px; }
.footer-brand p {
  margin: 8px 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.site-footer nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 22px;
}
.site-footer nav a { color: var(--text-muted); font-size: 0.95rem; }
.site-footer nav a:hover { color: var(--text); }
.footer-copy { margin: 0; font-size: 0.88rem; color: var(--text-muted); }

/* Página 404 */
.not-found {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
}
.not-found-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.not-found-inner img { width: 120px; margin-bottom: 24px; }
.not-found-inner .lead { margin-bottom: 28px; }

/* --------------------------------------------------------------------------
   Animação de entrada (só com JS ativo)
   -------------------------------------------------------------------------- */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   Responsivo
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .hero-inner,
  .product-intro,
  .about,
  .contact { grid-template-columns: 1fr; }

  .hero-visual { order: -1; }
  .hero-visual img { max-width: 360px; }

  .cards,
  .features,
  .origin-groups { grid-template-columns: 1fr 1fr; }
  .cards .card:last-child:nth-child(odd) { grid-column: 1 / -1; }

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

  .about-symbol img { width: min(220px, 55%); }

  .footer-inner { grid-template-columns: 1fr; text-align: center; justify-items: center; }
}

@media (max-width: 820px) {
  .nav-toggle { display: inline-block; }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    padding: 12px var(--gutter) 24px;
    background: var(--menu-bg);
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .site-nav a:not(.btn) { padding: 14px 8px; font-size: 1.05rem; }
  .site-nav li:last-child { margin: 12px 0 0; }
  .site-nav .btn { width: 100%; min-height: 48px; }
}

@media (max-width: 600px) {
  .cards,
  .features,
  .origin-groups,
  .steps { grid-template-columns: 1fr; }

  .hero-actions .btn { flex: 1 1 100%; }
  .hero-visual img { max-width: 280px; }

  .partners { --partner-gap: 14px; }
  .partner { height: 76px; min-width: 160px; padding: 12px 18px; }
  .partner .logo-wide { height: 26px; }
  .partner .logo-stacked { height: 48px; }

  .contact-list li { flex-direction: column; align-items: flex-start; gap: 6px; }

  .etymology { gap: 12px; }
  .etym-plus { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
}