/* ==========================================================================
   Roberta Guimarães — Síndica Profissional
   Linguagem visual: neutros calmos, tipografia grande com tracking por tamanho,
   tiles arredondados, materiais translúcidos e uma única cor de acento.
   ========================================================================== */

:root {
  /* Superfícies */
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --bg-chrome: rgba(251, 251, 253, 0.72);
  --bg-dark: #000000;
  --tile-dark: #1d1d1f;

  /* Texto */
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #86868b;
  --text-on-dark: #f5f5f7;
  --text-2-on-dark: #a1a1a6;

  /* Acento (marca) — usado com parcimônia */
  --accent: #c41d63;
  --accent-hover: #ad1755;
  --accent-on-dark: #ff7aa8;
  --accent-ring: rgba(196, 29, 99, 0.18);

  --hairline: #d2d2d7;
  --hairline-soft: rgba(0, 0, 0, 0.08);
  --hairline-dark: rgba(255, 255, 255, 0.14);
  --danger: #d70015;

  /* Forma */
  --radius-tile: 28px;
  --radius-media: 20px;
  --radius-field: 12px;
  --gap: 1.25rem;
  --container: 1200px;
  --gutter: 1.5rem;
  --nav-h: 52px;

  /* Movimento — curva de saída suave, sem overshoot */
  --ease: cubic-bezier(0.28, 0.11, 0.32, 1);
  --ease-out: cubic-bezier(0.25, 0.1, 0.25, 1);

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  color-scheme: light;
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font);
  font-optical-sizing: auto;
  font-size: 1.0625rem;
  line-height: 1.47;
  letter-spacing: -0.011em;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

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

ul,
ol {
  list-style: none;
}

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

h1,
h2,
h3,
h4 {
  color: inherit;
  font-weight: 600;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

::selection {
  background: rgba(196, 29, 99, 0.16);
}

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

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

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 200;
  padding: 0.5rem 1rem;
  border-radius: 980px;
  background: var(--text);
  color: #fff;
  font-size: 0.875rem;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

/* ---------- Tipografia ---------- */

.eyebrow {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.display {
  font-size: clamp(3rem, 1.9rem + 4.6vw, 5.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.038em;
}

.headline {
  font-size: clamp(2.25rem, 1.55rem + 2.9vw, 3.5rem);
  font-weight: 650;
  line-height: 1.06;
  letter-spacing: -0.032em;
}

.subhead {
  font-size: clamp(1.75rem, 1.35rem + 1.6vw, 2.5rem);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.028em;
}

.lead {
  margin-top: 1.125rem;
  font-size: clamp(1.1875rem, 1.05rem + 0.55vw, 1.5rem);
  line-height: 1.38;
  letter-spacing: -0.017em;
  color: var(--text-2);
}

.lead-sm {
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);
}

/* ---------- Botões e links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.875rem;
  padding: 0 1.5rem;
  border-radius: 980px;
  background: var(--accent);
  color: #fff;
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: background-color 200ms var(--ease-out), transform 120ms var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

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

/* Feedback no toque, não na soltura */
.btn:active {
  transform: scale(0.97);
  transition-duration: 60ms;
}

.btn-sm {
  min-height: 2rem;
  padding: 0 0.95rem;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
  min-height: 3.25rem;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--accent);
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}

.link-more::after {
  content: "›";
  font-size: 1.3em;
  line-height: 1;
  transform: translateY(-0.04em);
  transition: transform 200ms var(--ease-out);
}

.link-more:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.link-more:hover::after {
  transform: translate(2px, -0.04em);
}

/* ---------- Navegação (material translúcido) ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--bg-chrome);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  /* Borda só aparece quando há conteúdo rolando por baixo */
  box-shadow: 0 1px 0 transparent;
  transition: box-shadow 240ms var(--ease-out), background-color 240ms var(--ease-out);
}

.nav.is-scrolled {
  box-shadow: 0 1px 0 var(--hairline-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.018em;
  white-space: nowrap;
}

.nav-brand img {
  width: 28px;
  height: 28px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.4rem 0.7rem;
  font-size: 0.8125rem;
  letter-spacing: -0.005em;
  color: rgba(0, 0, 0, 0.8);
  border-radius: 980px;
  transition: color 160ms var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
}

.nav-link.active {
  font-weight: 500;
}

.nav-cta {
  margin-left: 0.75rem;
}

.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  position: absolute;
  left: 13px;
  width: 18px;
  height: 1.5px;
  border-radius: 1px;
  background: var(--text);
  transition: transform 320ms var(--ease);
}

.nav-toggle span:first-child {
  top: 18px;
}

.nav-toggle span:last-child {
  top: 25px;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* ---------- Hero ---------- */

.hero {
  padding-top: calc(var(--nav-h) + clamp(1.25rem, 2.5vw, 2.25rem));
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: clamp(2rem, 4vw, 4.5rem);
}

.hero-lead {
  margin-top: 1.25rem;
  max-width: 26ch;
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.022em;
  color: var(--text-2);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
  margin-top: 2rem;
}

.hero-portrait {
  width: 100%;
  max-width: 360px;
  height: 430px;
  justify-self: end;
  border-radius: 28px;
  overflow: hidden;
  background: var(--bg-alt);
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 20%;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: clamp(2rem, 4vw, 3.25rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--hairline);
}

.stat {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.375rem;
}

.stat dd {
  font-size: clamp(2rem, 1.5rem + 1.8vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.034em;
  font-variant-numeric: tabular-nums;
}

.stat dt {
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
  color: var(--text-2);
}

/* ---------- Seções ---------- */

.section {
  padding-block: clamp(5rem, 10vw, 8.5rem);
}

.section-alt {
  background: var(--bg-alt);
}

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

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

.section-dark .lead,
.section-dark .tile p {
  color: var(--text-2-on-dark);
}

.section-head {
  max-width: 58rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-head .lead {
  max-width: 44rem;
}

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  max-width: none;
}

.section-head-row > div:first-child {
  max-width: 48rem;
}

/* ---------- Tiles ---------- */

.tile {
  position: relative;
  padding: clamp(1.75rem, 2.6vw, 2.5rem);
  border-radius: var(--radius-tile);
  background: var(--bg);
  overflow: hidden;
}

.tile-soft {
  background: var(--bg-alt);
}

.tile-dark {
  background: var(--tile-dark);
}

.tile h3 {
  margin-top: 1.25rem;
  font-size: 1.5rem;
  line-height: 1.17;
  letter-spacing: -0.022em;
}

.tile p {
  margin-top: 0.625rem;
  color: var(--text-2);
}

.icon {
  width: 2rem;
  height: 2rem;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.section-dark .icon {
  stroke: var(--accent-on-dark);
}

.tile-photo {
  padding: 0;
  background: var(--bg-alt);
}

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

.tile-photo figcaption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.375rem 0.75rem;
  border-radius: 980px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0;
  color: #fff;
  background: rgba(0, 0, 0, 0.42);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
}

.tile-banner {
  aspect-ratio: 21 / 9;
  margin-bottom: var(--gap);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: var(--gap);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-4 .tile h3 {
  font-size: 1.3125rem;
  letter-spacing: -0.02em;
}

/* ---------- Princípios ---------- */

.principles {
  margin-top: clamp(4.5rem, 9vw, 7rem);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.principle {
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
}

.principle h4 {
  font-size: 1.0625rem;
  letter-spacing: -0.012em;
  margin-bottom: 0.5rem;
}

.principle p,
.values li {
  color: var(--text-2);
}

.values li + li {
  margin-top: 0.25rem;
}

/* ---------- Galeria de condomínios (scroll nativo com snap) ---------- */

.gallery-controls {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.round-btn {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(210, 210, 215, 0.64);
  transition: background-color 200ms var(--ease-out), opacity 200ms var(--ease-out), transform 120ms var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.round-btn svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: var(--text);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.round-btn:hover {
  background: rgba(210, 210, 215, 0.9);
}

.round-btn:active {
  transform: scale(0.92);
  transition-duration: 60ms;
}

.round-btn:disabled {
  opacity: 0.36;
  cursor: default;
  transform: none;
}

.gallery-track {
  --edge: max(var(--gutter), calc(50% - var(--container) / 2));
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--edge);
  padding-inline: var(--edge);
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}

.gallery-track::-webkit-scrollbar {
  display: none;
}

.gallery-track:focus-visible {
  outline-offset: -2px;
}

.condo {
  flex: 0 0 clamp(17.5rem, 30vw, 23.5rem);
  scroll-snap-align: start;
}

.condo-media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-tile);
  overflow: hidden;
  background: var(--bg-alt);
}

.condo-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease);
}

@media (hover: hover) {
  .condo:hover .condo-media img {
    transform: scale(1.035);
  }
}

.condo-body {
  padding: 1.25rem 0.25rem 0;
}

.condo-units {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.condo h3 {
  margin-top: 0.25rem;
  font-size: 1.5rem;
  line-height: 1.17;
  letter-spacing: -0.022em;
}

.condo-body p:last-child {
  margin-top: 0.25rem;
  color: var(--text-2);
}

/* ---------- Comunicação ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.feature h3 {
  margin-top: 1rem;
  font-size: 1.3125rem;
  letter-spacing: -0.02em;
}

.feature p {
  margin-top: 0.5rem;
  color: var(--text-2);
}

.routine {
  margin-top: clamp(5rem, 10vw, 8rem);
}

.routine .subhead {
  margin-bottom: 2rem;
}

.tile-figure .figure {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0;
  font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.25rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  color: var(--text);
}

.tile-figure .figure span {
  font-size: clamp(4.5rem, 3rem + 5vw, 7rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.tile-figure .figure-caption {
  margin-top: 0.75rem;
  font-weight: 600;
  color: var(--text);
}

.tile-figure p:last-child {
  max-width: 38ch;
}

.footnote {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  letter-spacing: -0.003em;
  color: var(--text-3);
}

/* ---------- Projetos ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.split-media {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
}

.rows li {
  padding-block: 1.375rem;
  border-top: 1px solid var(--hairline);
}

.rows li:last-child {
  border-bottom: 1px solid var(--hairline);
}

.rows h3 {
  font-size: 1.1875rem;
  line-height: 1.26;
  letter-spacing: -0.017em;
}

.rows p {
  margin-top: 0.3rem;
  color: var(--text-2);
}

.improvements {
  margin-top: clamp(5rem, 11vw, 9rem);
}

.improvements-head {
  max-width: 44rem;
  margin-bottom: 2.5rem;
}

.photo-pair {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: var(--gap);
}

.photo-pair .tile-photo {
  height: clamp(20rem, 38vw, 30rem);
}

/* ---------- Convivência ---------- */

.tile-card {
  padding: 0;
  display: flex;
  flex-direction: column;
}

.card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
}

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

.card-body {
  padding: 1.75rem 2rem 2.25rem;
}

.card-kicker {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--accent);
}

.tile .card-kicker {
  margin-top: 0;
  color: var(--accent);
}

.tile-card h3 {
  margin-top: 0.375rem;
}

/* ---------- Seguro ---------- */

.insurance {
  margin-top: var(--gap);
  padding: clamp(3.5rem, 8vw, 6.5rem) var(--gutter);
  border-radius: var(--radius-tile);
  background: var(--bg-dark);
  color: var(--text-on-dark);
  text-align: center;
}

.insurance-icon {
  width: 2.75rem;
  height: 2.75rem;
  fill: none;
  stroke: var(--accent-on-dark);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.insurance-label {
  margin-top: 1.25rem;
  font-weight: 600;
  color: var(--text-2-on-dark);
}

.insurance-amount {
  margin-top: 0.5rem;
  font-size: clamp(3.5rem, 2rem + 6.2vw, 7.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
}

.insurance-holder {
  margin-top: 1rem;
  font-size: clamp(1.1875rem, 1.05rem + 0.5vw, 1.4375rem);
  font-weight: 500;
  letter-spacing: -0.017em;
}

.insurance-text {
  max-width: 36rem;
  margin: 1rem auto 0;
  color: var(--text-2-on-dark);
}

/* ---------- Contato ---------- */

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.steps {
  counter-reset: step;
  margin-top: 2.5rem;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 1.125rem 0 1.125rem 2.5rem;
  border-top: 1px solid var(--hairline);
}

.steps li:last-child {
  border-bottom: 1px solid var(--hairline);
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1.125rem;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.form-card {
  padding: clamp(1.75rem, 3.4vw, 2.75rem);
  border-radius: var(--radius-tile);
  background: var(--bg);
}

.form-card h3 {
  font-size: 1.75rem;
  font-weight: 650;
  line-height: 1.14;
  letter-spacing: -0.026em;
}

.form-intro {
  margin-top: 0.5rem;
  color: var(--text-2);
}

.form {
  display: grid;
  gap: 1.125rem;
  margin-top: 1.75rem;
}

.field-row {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 0.75rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--text-2);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-field);
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 1.0625rem;
  letter-spacing: -0.011em;
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.field textarea {
  resize: vertical;
  min-height: 7.5rem;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-3);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-ring);
}

.field.is-invalid input {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(215, 0, 21, 0.12);
}

.field-error {
  margin-top: 0.4rem;
  font-size: 0.8125rem;
  color: var(--danger);
}

.privacy {
  font-size: 0.75rem;
  line-height: 1.45;
  letter-spacing: 0.002em;
  color: var(--text-3);
}

/* ---------- Rodapé ---------- */

.footer {
  background: var(--bg-alt);
  padding-bottom: 2.5rem;
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.002em;
  color: var(--text-2);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
}

.footer-brand img {
  width: 22px;
  height: 22px;
}

.footer-contacts,
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.footer-contacts a,
.footer-nav a {
  color: #424245;
}

.footer-contacts a:hover,
.footer-nav a:hover {
  color: var(--text);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding-top: 1rem;
}

/* ---------- Revelação ao rolar ---------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(2rem);
  transition:
    opacity 900ms var(--ease) var(--reveal-delay, 0ms),
    transform 900ms var(--ease) var(--reveal-delay, 0ms);
}

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

/* ==========================================================================
   Responsivo
   ========================================================================== */

@media (max-width: 1068px) {
  .nav-toggle {
    display: block;
  }

  /* O backdrop-filter do .nav cria um containing block, então o painel é
     ancorado à base da barra (mesma origem ao abrir e fechar). */
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: calc(100vh - var(--nav-h));
    height: calc(100dvh - var(--nav-h));
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1.5rem var(--gutter) 3rem;
    background: rgba(251, 251, 253, 0.98);
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-0.5rem);
    transition:
      opacity 280ms var(--ease),
      transform 280ms var(--ease),
      visibility 0s linear 280ms;
  }

  .nav-menu.open {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition:
      opacity 320ms var(--ease),
      transform 320ms var(--ease),
      visibility 0s;
  }

  .nav-link {
    padding: 0.55rem 0;
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.026em;
    color: var(--text);
    border-radius: 0;
    opacity: 0;
    transform: translateY(-0.5rem);
    transition: opacity 240ms var(--ease), transform 240ms var(--ease), color 160ms;
  }

  .nav-link.active {
    color: var(--accent);
    font-weight: 600;
  }

  .nav-menu.open .nav-link,
  .nav-menu.open .nav-cta {
    opacity: 1;
    transform: none;
    transition-duration: 420ms;
  }

  .nav-menu.open > :nth-child(1) { transition-delay: 40ms; }
  .nav-menu.open > :nth-child(2) { transition-delay: 70ms; }
  .nav-menu.open > :nth-child(3) { transition-delay: 100ms; }
  .nav-menu.open > :nth-child(4) { transition-delay: 130ms; }
  .nav-menu.open > :nth-child(5) { transition-delay: 160ms; }
  .nav-menu.open > :nth-child(6) { transition-delay: 190ms; }
  .nav-menu.open > :nth-child(7) { transition-delay: 220ms; }
  .nav-menu.open > :nth-child(8) { transition-delay: 250ms; }

  .nav-cta {
    align-self: flex-start;
    margin: 1.75rem 0 0;
    min-height: 2.875rem;
    padding: 0 1.5rem;
    font-size: 1.0625rem;
    opacity: 0;
    transform: translateY(-0.5rem);
    transition: opacity 240ms var(--ease), transform 240ms var(--ease), background-color 200ms;
  }

  html.menu-open {
    overflow: hidden;
  }

  html.menu-open .nav {
    background: rgba(251, 251, 253, 0.98);
    box-shadow: 0 1px 0 var(--hairline-soft);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 834px) {
  .hero-grid,
  .split,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero-portrait {
    justify-self: center;
    max-width: 300px;
    height: 360px;
  }

  .split-media,
  .photo-pair {
    position: static;
  }

  .grid-3,
  .features {
    grid-template-columns: 1fr;
  }

  .features {
    gap: 2rem;
  }

  .tile-banner {
    aspect-ratio: 16 / 9;
  }

  .card-media {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 734px) {
  :root {
    --gutter: 1rem;
    --radius-tile: 22px;
    --gap: 0.875rem;
  }

  .section-head-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .gallery-controls {
    display: none;
  }

  .condo {
    flex-basis: 80%;
  }

  .stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .grid-2,
  .grid-4,
  .principles-grid,
  .field-row {
    grid-template-columns: 1fr;
  }

  .principles-grid {
    gap: 1.75rem;
  }

  .photo-pair .tile-photo {
    height: 17rem;
  }

  .card-body {
    padding: 1.5rem 1.5rem 1.75rem;
  }

  .footer-top,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================================================
   Acessibilidade: movimento, transparência e contraste
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js [data-reveal] {
    transform: none;
    transition: opacity 300ms linear;
  }

  .nav-menu,
  .nav-menu.open,
  .nav-link,
  .nav-cta {
    transform: none !important;
  }

  .condo-media img {
    transition: none;
  }

  .nav-toggle span {
    transition-duration: 1ms;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .nav,
  .nav-menu {
    background: #fbfbfd;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .tile-photo figcaption {
    background: rgba(0, 0, 0, 0.78);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --text-2: #3a3a3c;
    --text-3: #48484a;
    --hairline: #8e8e93;
    --text-2-on-dark: #d1d1d6;
  }

  .nav {
    background: #fbfbfd;
    box-shadow: 0 1px 0 var(--hairline);
  }

  .tile-soft,
  .form-card {
    box-shadow: inset 0 0 0 1px var(--hairline);
  }
}