/* ==========================================================================
   SINCRO RESIDENCIAL | Design System + Componentes
   Mobile first (360 → 390 → 430 → 768 → 1024 → 1280)
   Princípio: tecnologia sem peso. Preto, grafite, branco; dourado como ponto.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Cores oficiais */
  --color-black: #121212;
  --color-black-deep: #0b0c0e;
  --color-graphite: #2a2b2e;
  --color-white: #ffffff;
  --color-white-soft: #f8f9fa;
  --color-gray: #e5e7eb;
  --color-gold: #e0a938;
  --color-gold-dark: #d49b28;

  /* Derivados (sempre a partir das cores oficiais) */
  --color-text: #121212;
  --color-text-muted: #5b5e66;
  --color-text-on-dark: #f8f9fa;
  --color-text-on-dark-muted: rgba(248, 249, 250, 0.68);
  --color-border-light: #e5e7eb;
  --color-border-dark: rgba(255, 255, 255, 0.08);
  --color-gold-soft: rgba(224, 169, 56, 0.12);
  --color-gold-glow: rgba(224, 169, 56, 0.28);

  /* Ilustração do simulador (derivados dos pretos oficiais + luz quente) */
  --demo-wall: #1a1b1e;
  --demo-window: #101114;
  --demo-light-warm: #ffd58a;

  /* Tipografia */
  --font-sans: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.2vw, 2rem);
  --text-2xl: clamp(1.875rem, 1.4rem + 2vw, 2.75rem);
  --text-3xl: clamp(2.25rem, 1.6rem + 3.2vw, 4rem);
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.6;
  --tracking-tight: -0.02em;
  --tracking-wide: 0.08em;

  /* Espaçamento */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --section-y: clamp(4rem, 6vw + 2rem, 7.5rem);
  --gutter: 1.25rem;
  --container: 74rem;
  --container-narrow: 46rem;

  /* Forma */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-pill: 999px;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(11, 12, 14, 0.06), 0 1px 1px rgba(11, 12, 14, 0.04);
  --shadow-md: 0 10px 30px -12px rgba(11, 12, 14, 0.18);
  --shadow-gold: 0 8px 24px -10px var(--color-gold-glow);

  /* Movimento */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur-fast: 150ms;
  --dur: 260ms;
  --dur-slow: 600ms;

  /* Header */
  --header-h: 4.25rem;

  color-scheme: light;
}

@media (min-width: 48em) {
  :root {
    --gutter: 2rem;
    --header-h: 4.75rem;
  }
}

/* --------------------------------------------------------------------------
   2. Reset leve
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-white-soft);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, p, ul, ol, figure {
  margin: 0;
}

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  text-wrap: balance;
}

h1 { font-size: var(--text-3xl); line-height: var(--leading-tight); font-weight: 800; }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-lg); }
h4 { font-size: var(--text-md); }

p { text-wrap: pretty; }

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

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
}

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

img {
  height: auto;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

input, select, textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--color-gold);
  color: var(--color-black-deep);
}

@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;
  }
}

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

.container--narrow {
  max-width: var(--container-narrow);
}

.visually-hidden {
  position: absolute !important;
  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;
  top: 0;
  left: 0;
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--color-gold);
  color: var(--color-black-deep);
  font-weight: 700;
  transform: translateY(-120%);
  transition: transform var(--dur-fast) var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-gold-dark);
}

.lead {
  font-size: var(--text-md);
  color: var(--color-text-muted);
}

.text-center { text-align: center; }

.gold { color: var(--color-gold); }

.mt-6 { margin-top: var(--space-6); }

.stack {
  display: grid;
  gap: var(--space-4);
}

.text-muted-sm {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.label-optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   4. Botões
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 3rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: var(--text-base);
  line-height: 1;
  border: 1px solid transparent;
  transition:
    background-color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.btn svg {
  width: 1.125rem;
  height: 1.125rem;
  flex: none;
}

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

.btn--primary {
  background: var(--color-gold);
  color: var(--color-black-deep);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
  background: var(--color-gold-dark);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-on-dark);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn--ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn--dark {
  background: var(--color-black);
  color: var(--color-white);
}

.btn--dark:hover {
  background: var(--color-graphite);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}

.btn--outline:hover {
  border-color: var(--color-gold-dark);
  color: var(--color-gold-dark);
}

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

.btn--sm {
  min-height: 2.5rem;
  padding: 0.6rem 1.1rem;
  font-size: var(--text-sm);
}

/* Link com seta */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  color: var(--color-gold-dark);
}

.link-arrow svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--dur-fast) var(--ease);
}

.link-arrow:hover svg {
  transform: translateX(3px);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 30em) {
  .btn-group .btn { flex: 1 1 100%; }
}

/* --------------------------------------------------------------------------
   5. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--color-black);
  color: var(--color-text-on-dark);
  border-bottom: 1px solid var(--color-border-dark);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--color-white);
}

/* Header: só o wordmark. Rodapé: logo completo (símbolo + nome). */
.brand img {
  height: 1.15rem;
  width: auto;
}

.site-footer .brand img {
  height: 6rem;
}

@media (min-width: 48em) {
  .brand img { height: 1.3rem; }
  .site-footer .brand img { height: 7rem; }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  color: var(--color-white);
}

.nav-toggle__icon {
  position: relative;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: background var(--dur-fast) var(--ease);
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur) var(--ease);
}

.nav-toggle__icon::before { transform: translateY(-6px); }
.nav-toggle__icon::after { transform: translateY(6px); }

.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after { transform: rotate(-45deg); }

.site-nav {
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--color-black);
  border-bottom: 1px solid var(--color-border-dark);
  padding: var(--space-4) var(--gutter) var(--space-6);
  display: none;
}

.site-nav[data-open="true"] {
  display: block;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.site-nav__link {
  display: block;
  padding: 0.85rem 0.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  color: var(--color-text-on-dark);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--color-gold);
}

.site-nav__link[aria-current="page"] {
  background: rgba(255, 255, 255, 0.04);
}

.site-nav__cta {
  margin-top: var(--space-4);
}

/* Sem JS: menu sempre visível (empilhado no mobile), botão escondido */
html:not(.js) .nav-toggle { display: none; }
html:not(.js) .site-nav { display: block; position: static; }
html:not(.js) .site-header { height: auto; }

@media (min-width: 64em) {
  .nav-toggle { display: none; }

  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: var(--space-5);
    background: transparent;
    border: 0;
    padding: 0;
  }

  .site-nav__list {
    flex-direction: row;
    gap: var(--space-2);
  }

  .site-nav__link {
    padding: 0.5rem 0.75rem;
    font-size: var(--text-sm);
  }

  .site-nav__link[aria-current="page"] {
    background: transparent;
    position: relative;
  }

  .site-nav__link[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.1rem;
    height: 2px;
    background: var(--color-gold);
    border-radius: var(--radius-pill);
  }

  .site-nav__cta {
    margin: 0;
  }
}

/* --------------------------------------------------------------------------
   6. Seções
   -------------------------------------------------------------------------- */
.section {
  padding-block: var(--section-y);
  position: relative;
}

.section--white { background: var(--color-white); }
.section--soft { background: var(--color-white-soft); }

.section--dark,
.section--deep {
  color: var(--color-text-on-dark);
}

.section--dark { background: var(--color-black); }
.section--deep { background: var(--color-black-deep); }

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

.section--dark .eyebrow,
.section--deep .eyebrow {
  color: var(--color-gold);
}

.section-head {
  display: grid;
  gap: var(--space-4);
  max-width: 44rem;
  margin-bottom: var(--space-7);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head--center .eyebrow {
  justify-content: center;
}

.section-foot {
  margin-top: var(--space-7);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
}

.divider {
  height: 1px;
  background: var(--color-border-light);
  border: 0;
  margin: 0;
}

/* Grids */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 40em) {
  .grid { gap: var(--space-5); }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 64em) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Split (texto + mídia) */
.split {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.split__content {
  display: grid;
  gap: var(--space-4);
}

.split__content .section-head {
  margin-bottom: 0;
}

.split__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-graphite);
}

.split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split__media--wide {
  aspect-ratio: 16 / 9;
}

@media (min-width: 64em) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .split--media-left .split__media { order: -1; }
}

/* --------------------------------------------------------------------------
   7. Hero (Home)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: flex-end;
  background: var(--color-black-deep);
  color: var(--color-text-on-dark);
  overflow: hidden;
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center;
}

/* Gradientes que trazem a imagem para o preto profundo e garantem contraste */
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, var(--color-black-deep) 8%, rgba(11, 12, 14, 0.82) 42%, rgba(11, 12, 14, 0.25) 75%, rgba(11, 12, 14, 0.1) 100%),
    linear-gradient(to right, rgba(11, 12, 14, 0.55), transparent 60%);
}

.hero__inner {
  position: relative;
  padding-top: clamp(6rem, 22vh, 10rem);
  padding-bottom: clamp(2.5rem, 6vh, 5rem);
  display: grid;
  gap: var(--space-5);
  max-width: 40rem;
}

.hero__title {
  max-width: 12ch;
}

.hero__lead {
  font-size: var(--text-md);
  color: var(--color-text-on-dark-muted);
  max-width: 34rem;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
  padding-top: var(--space-2);
}

.hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.hero__meta li::before {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--color-gold);
}

@media (min-width: 64em) {
  .hero {
    min-height: min(52rem, calc(100vh - var(--header-h)));
    align-items: center;
  }

  .hero__media img {
    object-position: center;
  }

  .hero__media::after {
    background:
      linear-gradient(to right, var(--color-black-deep) 22%, rgba(11, 12, 14, 0.78) 45%, rgba(11, 12, 14, 0.15) 75%, transparent 100%),
      linear-gradient(to top, rgba(11, 12, 14, 0.6), transparent 40%);
  }

  .hero__inner {
    padding-top: var(--space-9);
    padding-bottom: var(--space-9);
    max-width: 44rem;
  }
}

/* Hero interno (páginas secundárias) */
.page-hero {
  background: var(--color-black-deep);
  color: var(--color-text-on-dark);
  padding-block: clamp(3rem, 6vw, 5.5rem) clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  right: -20%;
  top: -40%;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(closest-side, var(--color-gold-soft), transparent);
  pointer-events: none;
}

.page-hero__inner {
  display: grid;
  gap: var(--space-5);
  max-width: 46rem;
}

.page-hero h1 {
  font-size: var(--text-2xl);
}

.page-hero .lead {
  color: var(--color-text-on-dark-muted);
}

@media (min-width: 64em) {
  .page-hero h1 { font-size: clamp(2.5rem, 2rem + 2vw, 3.5rem); }
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumbs li + li::before {
  content: "/";
  opacity: 0.4;
}

.breadcrumbs a:hover {
  color: var(--color-gold);
}

.breadcrumbs [aria-current="page"] {
  color: var(--color-text-on-dark);
}

/* --------------------------------------------------------------------------
   8. Cards
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(224, 169, 56, 0.45);
  box-shadow: var(--shadow-md);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: var(--color-gold-soft);
  color: var(--color-gold-dark);
}

.card__icon svg {
  width: 1.375rem;
  height: 1.375rem;
}

.card p {
  color: var(--color-text-muted);
}

.card__foot {
  margin-top: auto;
  padding-top: var(--space-2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* Card escuro */
.card--dark {
  background: var(--color-graphite);
  border-color: var(--color-border-dark);
  color: var(--color-text-on-dark);
}

.card--dark p {
  color: var(--color-text-on-dark-muted);
}

.card--dark .card__icon {
  background: rgba(224, 169, 56, 0.14);
  color: var(--color-gold);
}

.card--dark:hover {
  border-color: rgba(224, 169, 56, 0.5);
  box-shadow: none;
}

/* Card de cena (situações reais) */
.scene {
  position: relative;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-graphite);
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-on-dark);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.scene::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -20%;
  width: 55%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(closest-side, var(--color-gold-soft), transparent);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
  pointer-events: none;
}

.scene:hover {
  border-color: rgba(224, 169, 56, 0.45);
  transform: translateY(-3px);
}

.scene:hover::before {
  opacity: 1;
}

.scene__when {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-gold);
}

.scene__when::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(224, 169, 56, 0.18);
}

.scene h3 {
  font-size: var(--text-xl);
  color: var(--color-white);
}

.scene p {
  color: var(--color-text-on-dark-muted);
}

/* Lista de benefícios com ícone */
.feature-list {
  display: grid;
  gap: var(--space-3);
}

.feature-list li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-3);
  align-items: start;
}

.feature-list__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  background: var(--color-gold-soft);
  color: var(--color-gold-dark);
}

.feature-list__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.feature-list strong {
  display: block;
  font-weight: 700;
}

.feature-list span {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.section--dark .feature-list span,
.section--deep .feature-list span {
  color: var(--color-text-on-dark-muted);
}

.section--dark .feature-list__icon,
.section--deep .feature-list__icon {
  background: rgba(224, 169, 56, 0.14);
  color: var(--color-gold);
}

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-light);
  background: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: border-color var(--dur-fast) var(--ease);
}

.chip:hover {
  border-color: var(--color-gold);
}

.chip svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-gold-dark);
}

.section--dark .chip,
.section--deep .chip {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--color-border-dark);
  color: var(--color-text-on-dark);
}

/* --------------------------------------------------------------------------
   9. Passos (Como funciona)
   -------------------------------------------------------------------------- */
.steps {
  display: grid;
  gap: var(--space-5);
  counter-reset: step;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-4);
  align-items: start;
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid rgba(224, 169, 56, 0.5);
  color: var(--color-gold-dark);
  font-weight: 800;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  background: var(--color-white);
}

.step h3 {
  font-size: var(--text-md);
  margin-bottom: var(--space-1);
}

.step p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* Linha conectora no mobile */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.5rem;
  top: 3.25rem;
  bottom: calc(-1 * var(--space-5) + 0.25rem);
  width: 1px;
  background: linear-gradient(to bottom, rgba(224, 169, 56, 0.5), var(--color-border-light));
}

@media (min-width: 64em) {
  .steps {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-5);
  }

  .step {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .step:not(:last-child)::after {
    left: 3.5rem;
    right: calc(-1 * var(--space-5));
    top: 1.5rem;
    bottom: auto;
    height: 1px;
    width: auto;
    background: linear-gradient(to right, rgba(224, 169, 56, 0.5), var(--color-border-light));
  }
}

/* --------------------------------------------------------------------------
   9b. Simulador da casa (Home)
   SVG ilustrativo + painel estilo aplicativo. Só CSS para as transições.
   -------------------------------------------------------------------------- */
.demo {
  display: grid;
  gap: var(--space-5);
}

.demo__house {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-dark);
  background: var(--color-black-deep);
}

.demo__house svg {
  width: 100%;
  height: auto;
  display: block;
}

.demo__caption {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-on-dark-muted);
  letter-spacing: 0.02em;
}

/* Estados de luz no SVG */
.room .room__lit,
.room .room__glow,
.room .room__spill {
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
}

.room.is-on .room__lit { opacity: 1; }
.room.is-on .room__glow { opacity: 0.9; }
.room.is-on .room__spill { opacity: 0.55; }

.room .room__lamp {
  fill: var(--color-graphite);
  transition: fill var(--dur-slow) var(--ease);
}

.room.is-on .room__lamp { fill: var(--color-gold); }

/* Painel estilo app */
.demo__panel {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-graphite);
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-on-dark);
}

.demo__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.demo__title {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
}

.demo__title::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-text-on-dark-muted);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.demo--lit .demo__title::before {
  background: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(224, 169, 56, 0.18);
}

.demo__status {
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
}

.demo__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-2);
}

.demo__scenes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.demo__scene {
  min-height: 2.5rem;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-on-dark);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.demo__scene:hover {
  border-color: var(--color-gold);
}

.demo__scene[aria-pressed="true"] {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-black-deep);
}

.demo__rooms {
  display: grid;
  gap: var(--space-2);
}

.toggle {
  display: grid;
  grid-template-columns: 2.25rem 1fr auto;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  min-height: 3.25rem;
  padding: 0.6rem 0.75rem 0.6rem 0.6rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  text-align: left;
  color: var(--color-text-on-dark);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.toggle:hover {
  border-color: rgba(224, 169, 56, 0.45);
}

.toggle__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-on-dark-muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.toggle__icon svg {
  width: 1.125rem;
  height: 1.125rem;
}

.toggle__label {
  font-weight: 600;
  font-size: var(--text-sm);
}

.toggle__label small {
  display: block;
  font-weight: 400;
  font-size: var(--text-xs);
  color: var(--color-text-on-dark-muted);
}

.toggle__switch {
  position: relative;
  width: 2.5rem;
  height: 1.5rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.14);
  transition: background var(--dur) var(--ease);
}

.toggle__switch::after {
  content: "";
  position: absolute;
  top: 0.2rem;
  left: 0.2rem;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: var(--color-white);
  transition: transform var(--dur) var(--ease);
}

.toggle[aria-pressed="true"] {
  border-color: rgba(224, 169, 56, 0.45);
  background: rgba(224, 169, 56, 0.08);
}

.toggle[aria-pressed="true"] .toggle__icon {
  background: rgba(224, 169, 56, 0.18);
  color: var(--color-gold);
}

.toggle[aria-pressed="true"] .toggle__switch {
  background: var(--color-gold);
}

.toggle[aria-pressed="true"] .toggle__switch::after {
  transform: translateX(1rem);
}

.demo__hint {
  font-size: var(--text-xs);
  color: var(--color-text-on-dark-muted);
}

@media (min-width: 64em) {
  .demo {
    grid-template-columns: 1.5fr 1fr;
    align-items: stretch;
    gap: var(--space-6);
  }

  .demo__house {
    display: flex;
    align-items: center;
  }
}

/* --------------------------------------------------------------------------
   10. Região
   -------------------------------------------------------------------------- */
.region {
  display: grid;
  gap: var(--space-6);
}

.region__list {
  display: grid;
  gap: var(--space-3);
}

.region__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-dark);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color var(--dur) var(--ease);
}

.region__item:hover {
  border-color: rgba(224, 169, 56, 0.45);
}

.region__item strong {
  display: block;
  font-size: var(--text-md);
}

.region__item span {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
}

.region__item svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-gold);
  flex: none;
}

@media (min-width: 64em) {
  .region {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: var(--space-8);
  }
}

/* --------------------------------------------------------------------------
   11. CTA final
   -------------------------------------------------------------------------- */
.cta-final {
  position: relative;
  background: var(--color-black-deep);
  color: var(--color-text-on-dark);
  overflow: hidden;
  isolation: isolate;
}

.cta-final__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.cta-final__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.cta-final__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, var(--color-black-deep) 10%, rgba(11, 12, 14, 0.7) 60%, rgba(11, 12, 14, 0.5)),
    radial-gradient(60% 60% at 50% 100%, var(--color-gold-soft), transparent);
}

.cta-final__inner {
  padding-block: var(--section-y);
  text-align: center;
  display: grid;
  gap: var(--space-5);
  justify-items: center;
  max-width: 40rem;
  margin-inline: auto;
}

.cta-final h2 {
  font-size: var(--text-2xl);
  color: var(--color-white);
}

.cta-final p {
  color: var(--color-text-on-dark-muted);
  font-size: var(--text-md);
}

/* --------------------------------------------------------------------------
   12. Rodapé
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-black-deep);
  color: var(--color-text-on-dark-muted);
  border-top: 1px solid var(--color-border-dark);
  font-size: var(--text-sm);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-8) var(--space-6);
}

.site-footer__brand {
  display: grid;
  gap: var(--space-3);
  max-width: 20rem;
}

.site-footer h2 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-3);
}

.site-footer ul {
  display: grid;
  gap: var(--space-2);
}

.site-footer a:hover {
  color: var(--color-gold);
}

.site-footer address {
  font-style: normal;
  display: grid;
  gap: var(--space-2);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-border-dark);
  font-size: var(--text-xs);
}

.placeholder {
  color: var(--color-gold);
  opacity: 0.8;
}

@media (min-width: 48em) {
  .site-footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

/* --------------------------------------------------------------------------
   13. WhatsApp flutuante
   -------------------------------------------------------------------------- */
.wa-float {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 3.25rem;
  padding: 0.75rem 1rem 0.75rem 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 14px 30px -12px rgba(11, 12, 14, 0.55);
  font-weight: 700;
  font-size: var(--text-sm);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.wa-float svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-gold);
}

.wa-float:hover {
  transform: translateY(-2px);
  border-color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   14. Conteúdo longo (páginas internas)
   -------------------------------------------------------------------------- */
.prose {
  display: grid;
  gap: var(--space-4);
  max-width: var(--container-narrow);
}

.prose h2 {
  margin-top: var(--space-4);
  font-size: var(--text-xl);
}

.prose h3 {
  margin-top: var(--space-2);
}

.prose p,
.prose li {
  color: var(--color-text-muted);
}

.prose ul {
  padding-left: 1.25rem;
  display: grid;
  gap: var(--space-2);
}

.prose li::marker {
  color: var(--color-gold-dark);
}

.prose strong {
  color: var(--color-text);
}

.prose a {
  color: var(--color-gold-dark);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(212, 155, 40, 0.4);
  text-underline-offset: 3px;
}

.section--dark .prose p,
.section--dark .prose li,
.section--deep .prose p,
.section--deep .prose li {
  color: var(--color-text-on-dark-muted);
}

.section--dark .prose strong,
.section--deep .prose strong {
  color: var(--color-white);
}

/* Destaque de citação/benefício */
.callout {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-black);
  color: var(--color-text-on-dark);
  border-left: 3px solid var(--color-gold);
  display: grid;
  gap: var(--space-2);
}

.callout p {
  color: var(--color-text-on-dark-muted);
}

.callout strong {
  color: var(--color-white);
  font-size: var(--text-md);
}

.callout--graphite {
  background: var(--color-graphite);
}

/* Comparativo (duas colunas) */
.compare {
  display: grid;
  gap: var(--space-4);
}

.compare__col {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  background: var(--color-white);
  display: grid;
  gap: var(--space-3);
}

.compare__col h3 {
  font-size: var(--text-md);
}

.compare__col ul {
  padding-left: 1.1rem;
  display: grid;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.compare__col li::marker {
  color: var(--color-gold-dark);
}

@media (min-width: 48em) {
  .compare { grid-template-columns: 1fr 1fr; }
}

/* FAQ (CSS puro com details/summary) */
.faq {
  display: grid;
  gap: var(--space-3);
  max-width: var(--container-narrow);
}

.faq details {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition: border-color var(--dur-fast) var(--ease);
}

.faq details[open] {
  border-color: rgba(224, 169, 56, 0.5);
}

.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  font-weight: 700;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "";
  flex: none;
  width: 0.6rem;
  height: 0.6rem;
  border-right: 2px solid var(--color-gold-dark);
  border-bottom: 2px solid var(--color-gold-dark);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
  margin-top: -0.25rem;
}

.faq details[open] summary::after {
  transform: rotate(225deg);
  margin-top: 0.25rem;
}

.faq .faq__body {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   15. Contato
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 64em) {
  .contact-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-8);
    align-items: start;
  }
}

.contact-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  display: grid;
  gap: var(--space-4);
}

.contact-card--dark {
  background: var(--color-black);
  color: var(--color-text-on-dark);
  border-color: var(--color-border-dark);
}

.contact-card--dark p,
.contact-card--dark dd {
  color: var(--color-text-on-dark-muted);
}

.contact-card dl {
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.contact-card dt {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-gold);
}

.contact-card dd {
  margin: 0.15rem 0 0;
}

.contact-card--dark h3 {
  color: var(--color-white);
}

.contact-card .section-head {
  margin-bottom: 0;
}

/* Formulário de briefing (monta a mensagem do WhatsApp) */
.form {
  display: grid;
  gap: var(--space-4);
}

.form__row {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 40em) {
  .form__row { grid-template-columns: 1fr 1fr; }
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field label {
  font-weight: 700;
  font-size: var(--text-sm);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  background: var(--color-white-soft);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.field textarea {
  min-height: 7rem;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-soft);
}

.checks {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr;
}

@media (min-width: 40em) {
  .checks { grid-template-columns: 1fr 1fr; }
}

.check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  background: var(--color-white);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 600;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.check:hover {
  border-color: var(--color-gold);
}

.check input {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--color-gold-dark);
  margin: 0;
}

.check:has(input:checked) {
  border-color: var(--color-gold);
  background: var(--color-gold-soft);
}

.form__hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.form legend {
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  padding: 0;
}

.form__output {
  white-space: pre-wrap;
  font: inherit;
  font-size: var(--text-sm);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-white-soft);
  border: 1px solid var(--color-border-light);
  margin: 0;
}

/* --------------------------------------------------------------------------
   16. Reveal (microinteração ao entrar na viewport)
   Só ativa quando há JS (html.js). Sem JS, tudo aparece normalmente.
   -------------------------------------------------------------------------- */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.js .reveal[data-delay="1"] { transition-delay: 80ms; }
.js .reveal[data-delay="2"] { transition-delay: 160ms; }
.js .reveal[data-delay="3"] { transition-delay: 240ms; }
.js .reveal[data-delay="4"] { transition-delay: 320ms; }
.js .reveal[data-delay="5"] { transition-delay: 400ms; }

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

/* --------------------------------------------------------------------------
   17. Impressão
   -------------------------------------------------------------------------- */
@media print {
  .site-header, .wa-float, .cta-final, .nav-toggle { display: none !important; }
  body { background: #fff; color: #000; }
}