/* Header. Reserva estrutural constante: a compactação não move o documento. */
.site-header {
  --header-height: 4.5rem;
  --header-bar-height: 4.5rem;
  --header-logo-height: 2.5rem;
  position: sticky;
  top: 0;
  z-index: 20;
  background: transparent;
  pointer-events: none;
}
.site-header[data-header-ready] { height: var(--header-height); }
.site-header__surface {
  pointer-events: auto;
  background: var(--color-dark);
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}
.site-header__inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0 var(--space-5);
  min-height: var(--header-bar-height);
  transition: min-height var(--duration-normal) var(--ease-standard);
}
.site-header__brand {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  min-width: 2.75rem;
  padding-block: var(--space-2);
  flex: 0 0 auto;
}
.site-header__logo {
  width: auto;
  height: var(--header-logo-height);
  max-width: 100%;
  object-fit: contain;
  transition: height var(--duration-normal) var(--ease-standard);
}
.site-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  padding: var(--space-3);
  border: var(--border-on-dark);
  border-radius: var(--radius-md);
  color: var(--color-white);
  background: transparent;
  cursor: pointer;
}
.site-header[data-header-ready] .site-header__toggle { display: inline-flex; }
.site-header__menu-icon { width: 1.5rem; height: 1.5rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; overflow: visible; }
.site-header__menu-line { transform-origin: 12px 12px; transition: transform var(--duration-normal) var(--ease-standard), opacity var(--duration-normal) var(--ease-standard); }
.site-header__toggle[aria-expanded="true"] .site-header__menu-line--first { transform: translateY(5px) rotate(45deg); transform-origin: 12px 7px; }
.site-header__toggle[aria-expanded="true"] .site-header__menu-line--middle { opacity: 0; }
.site-header__toggle[aria-expanded="true"] .site-header__menu-line--last { transform: translateY(-5px) rotate(-45deg); transform-origin: 12px 17px; }
.site-header__toggle:hover { background: var(--color-dark-secondary); }
.site-header__toggle:active { border-color: var(--color-primary); }
.site-header__panel {
  display: grid;
  width: 100%;
  gap: var(--space-5);
  padding-block: var(--space-4) var(--space-5);
}
.site-header[data-header-ready] .site-header__panel {
  position: absolute;
  inset: 100% 0 auto;
  width: auto;
  max-height: calc(100dvh - var(--header-bar-height) - var(--space-4));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-5);
  background: var(--color-dark);
  border: var(--border-on-dark);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: menu-enter var(--duration-normal) var(--ease-standard);
}
.site-header__links { display: grid; gap: var(--space-2); max-inline-size: none; list-style: none; margin: 0; padding: 0; }
.site-header__link {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  padding: var(--space-3) var(--space-2);
  border-block-end: 2px solid transparent;
  font-family: var(--font-body);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-menu);
  line-height: var(--line-height-interface);
  text-decoration: none;
  color: var(--color-white);
  transition: color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
}
.site-header__link[aria-current] { border-color: var(--color-primary); }
.site-header__link[aria-disabled="true"] { color: var(--color-muted-on-dark); cursor: not-allowed; }
.site-header__link:hover { color: var(--color-focus-dark); }
.site-header__status { margin: 0; color: var(--color-muted-on-dark); }
.site-header__status:empty { display: none; }
.site-header.is-scrolled .site-header__surface { box-shadow: var(--shadow-sm); }
.site-header__cta { width: 100%; }
html { scroll-behavior: smooth; }
#conteudo-principal { scroll-margin-block-start: 6rem; }
/* 1200 px: o menu compacto entra antes de o CTA comprimir a navegação. */
@media (min-width: 1200px) {
  .site-header { --header-height: 5.5rem; --header-bar-height: 5.5rem; --header-logo-height: 3.25rem; }
  .site-header.is-scrolled { --header-bar-height: 4.5rem; --header-logo-height: 2.875rem; }
  .site-header__inner { flex-wrap: nowrap; gap: var(--space-6); }
  .site-header[data-header-ready] .site-header__toggle { display: none; }
  .site-header__panel, .site-header[data-header-ready] .site-header__panel {
    position: static;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    min-width: 0;
    width: auto;
    max-height: none;
    overflow: visible;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    animation: none;
    gap: var(--space-6);
  }
  .site-header__nav { margin-inline: auto; }
  .site-header__links { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
  .site-header__cta { width: auto; flex-shrink: 0; }
  .site-header__status { position: absolute; top: 100%; inset-inline: 0; padding: var(--space-3) var(--space-5); background: var(--color-dark); border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
}
@keyframes menu-enter { from { opacity: 0; transform: translateY(-0.5rem); } to { opacity: 1; transform: none; } }

/* Hero: composição mobile em fluxo; fotografia e gradientes em camadas independentes. */
.hero { scroll-margin-block-start: 5.5rem; }
.hero__stage { display: grid; position: relative; isolation: isolate; overflow: hidden; }
.hero .container { --container-gutter: clamp(1.25rem, 7vw, 1.8rem); }
.hero__inner {
  grid-row: 1;
  padding-block: clamp(1.25rem, 6vw, 1.75rem) 0;
  z-index: 1;
}
.hero__copy { display: grid; gap: clamp(1.35rem, 5vw, 1.75rem); max-width: 39rem; min-width: 0; }
.hero__copy > * { margin-block: 0; }
.hero__eyebrow { color: var(--color-white); gap: var(--space-3); font-size: clamp(0.6875rem, 2.75vw, 0.75rem); }
.hero__title { max-inline-size: 18ch; font-size: clamp(2.125rem, 9.25vw, 2.6rem); line-height: 1.08; }
.hero__highlight { color: var(--color-primary); }
.hero__description { max-inline-size: 31ch; color: var(--color-white); font-size: clamp(1rem, 4.25vw, 1.125rem); line-height: 1.5; }
.hero__actions { display: grid; gap: var(--space-4); margin-block-start: var(--space-4); }
.hero__actions .btn {
  width: 100%;
  min-height: 3.5rem;
  border-radius: var(--radius-lg);
  font-size: clamp(1rem, 4.4vw, 1.125rem);
  font-weight: var(--font-weight-extrabold);
}
/* Temporário: sinaliza a indisponibilidade mantendo a identidade do CTA. */
.hero__materials[aria-disabled="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary-hover);
  color: var(--color-on-primary);
}
.hero__feedback { color: var(--color-muted-on-dark); }
.hero__feedback:empty { display: none; }
.hero__visual {
  display: block;
  grid-row: 2;
  position: relative;
  height: clamp(17.5rem, 72vw, 20rem);
  margin-block-start: clamp(1.5rem, 6vw, 2rem);
  overflow: hidden;
  border-radius: 0;
}
.hero__image { width: 100%; height: 100%; object-fit: cover; object-position: center 64%; }
.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-dark) 0%, color-mix(in srgb, var(--color-dark) 76%, transparent) 10%, color-mix(in srgb, var(--color-dark) 34%, transparent) 25%, transparent 42%, transparent 88%, var(--color-dark));
  pointer-events: none;
}
.hero__stage::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0 auto auto 0;
  width: clamp(1.3rem, 7vw, 2.1rem);
  height: clamp(2.1rem, 9vw, 2.85rem);
  border: 0;
  background: var(--color-primary);
  transform: skew(-38deg);
  transform-origin: center;
  pointer-events: none;
  display: none;
}
@media (min-width: 768px) {
  .hero__stage { min-height: clamp(35rem, 43vw, 40rem); overflow: visible; }
  .hero__visual {
    position: absolute;
    grid-area: auto;
    inset: 0;
    width: 100%;
    height: auto;
    aspect-ratio: auto;
    margin-block-start: 0;
    overflow: hidden;
    border-radius: 0;
    z-index: 0;
  }
  .hero__image { object-position: 63% center; }
  .hero__visual::after {
    background: linear-gradient(90deg, var(--color-dark) 0%, color-mix(in srgb, var(--color-dark) 97%, transparent) 27%, color-mix(in srgb, var(--color-dark) 92%, transparent) 42%, color-mix(in srgb, var(--color-dark) 76%, transparent) 53%, transparent 78%);
  }
  .hero__inner { display: flex; align-items: center; padding-block: var(--space-9); }
  .hero__copy { gap: var(--space-5); max-width: min(62%, 39rem); }
  .hero__eyebrow { font-size: var(--font-size-eyebrow); }
  .hero__title { font-size: var(--font-size-h1); line-height: var(--line-height-h1); }
  .hero__description { font-size: var(--font-size-body-large); line-height: var(--line-height-body); }
  .hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-block-start: var(--space-2); }
  .hero__actions .btn { width: auto; min-height: var(--control-min); font-size: var(--font-size-button); font-weight: var(--font-weight-semibold); }
  .hero__stage::before {
    display: block;
    width: clamp(1rem, 3vw, 3rem);
    height: clamp(4rem, 12vw, 10rem);
    border-inline-end: var(--border-width) solid var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 12%, transparent);
    transform-origin: top;
  }
}
@media (min-width: 1024px) {
  .hero__copy { max-width: min(56%, 39rem); }
}
@media (min-width: 1200px) {
  .hero__copy { max-width: min(72%, 56rem); }
  .hero__title {
    max-inline-size: 22ch;
    font-size: clamp(1.6625rem, 1.2833rem + 1.6852vw, 2.8rem);
  }
}
@media (prefers-reduced-motion: no-preference) {
  .hero__animate { animation: reveal-in var(--duration-slow) var(--ease-standard) both; }
  .hero__title { animation-delay: 60ms; }
  .hero__description { animation-delay: 120ms; }
  .hero__actions { animation-delay: 180ms; }
}

/* Materiais: faixa compacta com seis categorias, conforme a referência. */
.materials-section {
  padding-block: clamp(2.5rem, 4vw, 3rem);
  scroll-margin-block-start: 5.5rem;
}
.materials-container {
  display: grid;
  gap: var(--space-5);
}
.materials-header {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}
.materials-header__title {
  display: grid;
  gap: var(--space-2);
}
.materials-header__title > *,
.materials-header__description { margin-block: 0; }
.materials-header__title h2 {
  max-inline-size: 20ch;
  font-size: clamp(1.65rem, 1.5rem + 0.35vw, 1.85rem);
  line-height: 1.02;
}
.materials-header__description {
  max-inline-size: 38rem;
  color: var(--color-text);
  font-size: var(--font-size-small);
  line-height: 1.45;
}
.materials-header__cta {
  justify-self: start;
  min-block-size: 2.5rem;
  padding: var(--space-2) var(--space-4);
  border-color: var(--color-primary);
  color: var(--color-link);
  white-space: nowrap;
}
.materials-header__cta .whatsapp-icon {
  inline-size: 1.1rem;
  block-size: 1.1rem;
  filter: brightness(0) saturate(100%) invert(34%) sepia(96%) saturate(987%) hue-rotate(111deg) brightness(91%) contrast(96%);
}
.materials-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}
.material-card {
  position: relative;
  display: flex;
  flex-direction: column;
  block-size: 100%;
  border-color: color-mix(in srgb, var(--color-border) 72%, transparent);
  border-radius: var(--radius-md);
  box-shadow: 0 0.3rem 0.9rem color-mix(in srgb, var(--color-dark) 10%, transparent);
}
.material-card__media {
  overflow: hidden;
  background: var(--color-border);
}
.material-card__image {
  display: block;
  inline-size: 100%;
  aspect-ratio: 1.7 / 1;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-standard);
}
.material-card__content {
  position: relative;
  display: grid;
  align-content: start;
  flex: 1;
  gap: var(--space-1);
  min-block-size: 6.25rem;
  padding: var(--space-3) 2.15rem 2.75rem 0.65rem;
}
.material-card__title {
  font-size: 0.897rem;
  line-height: 1.15;
}
.material-card .card__description {
  color: var(--color-text);
  font-size: 0.713rem;
  line-height: 1.18;
}
.material-card__action {
  position: absolute;
  inset: auto 0.65rem 0.65rem auto;
  min-block-size: 0;
  color: var(--color-white);
  text-decoration: none;
  transform: none;
}
.material-card__action-icon {
  display: inline-grid;
  place-items: center;
  inline-size: 1.65rem;
  block-size: 1.65rem;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-white);
  transition: background-color var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);
}
.material-card__action-icon .whatsapp-icon {
  inline-size: 0.95rem;
  block-size: 0.95rem;
  filter: brightness(0) invert(1);
}
@media (max-width: 599px) {
  .material-card__image { aspect-ratio: 1.55 / 1; }
  .material-card__content {
    min-block-size: 9rem;
    padding: 1.05rem 3.9rem 3.9rem 1.05rem;
    gap: var(--space-2);
  }
  .material-card__title { font-size: 1.2rem; }
  .material-card .card__description {
    font-size: 0.984rem;
    line-height: 1.28;
  }
  .material-card__action { inset: auto 1.05rem 1.05rem auto; }
  .material-card__action-icon {
    inline-size: 2.4rem;
    block-size: 2.4rem;
  }
  .material-card__action-icon .whatsapp-icon {
    inline-size: 1.452rem;
    block-size: 1.452rem;
  }
}
@media (hover: hover) {
  .material-card:hover .material-card__image,
  .material-card:focus-within .material-card__image { transform: scale(1.025); }
  .material-card__action:hover .material-card__action-icon,
  .material-card__action:focus-visible .material-card__action-icon {
    background: var(--color-primary-hover);
    transform: translateX(2px);
  }
}
@media (min-width: 600px) {
  .materials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 768px) {
  .materials-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .materials-header {
    grid-template-columns: minmax(18rem, 1.25fr) minmax(20rem, 1.65fr) auto;
    gap: clamp(1.5rem, 3vw, 3rem);
  }
  .materials-header__description {
    padding-inline-start: clamp(1.5rem, 3vw, 3rem);
    border-inline-start: var(--border-default);
  }
  .materials-header__cta { justify-self: end; }
  .materials-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: clamp(0.75rem, 1.4vw, 1.25rem);
  }
}
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] { opacity: 0; transform: translateY(0.75rem); }
  .js [data-reveal].is-revealed { animation: reveal-in var(--duration-slow) var(--ease-standard) both; }
  .js .materials-grid .material-card:nth-child(2).is-revealed { animation-delay: 60ms; }
  .js .materials-grid .material-card:nth-child(3).is-revealed { animation-delay: 120ms; }
  .js .materials-grid .material-card:nth-child(4).is-revealed { animation-delay: 60ms; }
  .js .materials-grid .material-card:nth-child(5).is-revealed { animation-delay: 120ms; }
  .js .materials-grid .material-card:nth-child(6).is-revealed { animation-delay: 180ms; }
}

/* Orçamento de materiais: entrada compacta e montador acessível. */
.materials-budget-section {
  padding-block: clamp(2.5rem, 4vw, 4rem);
  background: var(--color-white);
}
.materials-budget-container {
  display: grid;
  gap: var(--space-5);
  align-items: center;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border: var(--border-default);
  border-radius: var(--radius-xl);
  background: linear-gradient(110deg, color-mix(in srgb, var(--color-primary-soft) 76%, var(--color-white)), var(--color-white) 62%);
}
.materials-budget__content { display: grid; gap: var(--space-3); min-inline-size: 0; }
.materials-budget__content > * { margin: 0; }
.materials-budget__content h2 { max-inline-size: 24ch; font-size: clamp(1.6rem, 1.4rem + 0.7vw, 2.15rem); line-height: 1.08; }
.materials-budget__content > p:not(.eyebrow) { max-inline-size: 64ch; color: var(--color-text-muted); line-height: 1.55; }
.materials-budget__cta { justify-self: start; min-block-size: 3rem; }

.materials-builder {
  inline-size: min(96vw, 80rem);
  max-inline-size: none;
  max-block-size: min(90vh, 52rem);
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-xl);
  background: var(--color-white);
  color: var(--color-text);
  box-shadow: var(--shadow-lg);
}
.materials-builder::backdrop { background: rgb(11 25 29 / 72%); backdrop-filter: blur(4px); }
.materials-builder__shell { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; min-block-size: min(90vh, 52rem); max-block-size: min(90vh, 52rem); }
.materials-builder__header { display: flex; gap: var(--space-5); align-items: start; justify-content: space-between; padding: var(--space-6); border-block-end: var(--border-default); }
.materials-builder__header > div { display: grid; gap: var(--space-2); min-inline-size: 0; }
.materials-builder__header p, .materials-builder__header h2 { margin: 0; }
.materials-builder__header h2 { font-size: var(--font-size-h3); }
.materials-builder__header > div > p:last-child { color: var(--color-text-muted); }
.materials-builder__close { display: inline-grid; flex: 0 0 auto; place-items: center; inline-size: 2.75rem; block-size: 2.75rem; padding: 0; border: var(--border-default); border-radius: var(--radius-pill); background: transparent; color: var(--color-text); font-size: 2rem; line-height: 1; cursor: pointer; }
.materials-builder__body { position: relative; display: grid; grid-template-columns: 12rem minmax(0, 1fr) minmax(17rem, 21rem); min-block-size: 0; overflow: hidden; }
.materials-builder__categories { display: grid; align-content: start; gap: var(--space-2); min-inline-size: 0; padding: var(--space-4); overflow: auto; border-inline-end: var(--border-default); background: var(--color-background-alt); }
.materials-builder__category { inline-size: 100%; min-inline-size: 0; padding: var(--space-3) var(--space-4); border: 1px solid transparent; border-radius: var(--radius-md); background: transparent; color: var(--color-text); font: inherit; font-size: var(--font-size-small); font-weight: var(--font-weight-semibold); text-align: start; cursor: pointer; }
.materials-builder__category[aria-current="true"] { border-color: color-mix(in srgb, var(--color-primary) 40%, transparent); background: var(--color-primary-soft); color: var(--color-link); }
.materials-builder__category--services { color: var(--color-link); }
.materials-builder__products { min-inline-size: 0; padding: var(--space-6); overflow: auto; }
.materials-builder__products-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(11rem, 14rem); gap: var(--space-3) var(--space-4); align-items: start; margin-block-end: var(--space-3); }
.materials-builder__products-heading h3, .materials-builder__products-heading p { margin: 0; }
.materials-builder__products-heading h3 { font-size: var(--font-size-h4); }
.materials-builder__products-heading > div:first-child > p { margin-block-start: var(--space-1); color: var(--color-text-muted); font-size: var(--font-size-caption); }
.materials-builder__filters { display: grid; gap: var(--space-2); min-inline-size: 0; }
.materials-builder__search { display: flex; gap: var(--space-2); align-items: center; min-inline-size: 0; padding: 0 var(--space-3); border: var(--border-default); border-radius: var(--radius-md); background: var(--color-white); color: var(--color-link); }
.materials-builder__search input { inline-size: 100%; min-inline-size: 0; block-size: 2.5rem; padding: 0; border: 0; outline: 0; background: transparent; color: var(--color-text); font: inherit; font-size: var(--font-size-small); }
.materials-builder__feedback { grid-column: 1 / -1; max-inline-size: 40rem; color: var(--color-link); font-size: var(--font-size-caption); }
.materials-builder__subcategories { min-inline-size: 0; }
.materials-builder__subcategory-label { display: block; }
.materials-builder__subcategory { inline-size: 100%; block-size: 2.5rem; padding: 0 var(--space-3); border: var(--border-default); border-radius: var(--radius-md); background: var(--color-white); color: var(--color-text); font: inherit; font-size: var(--font-size-caption); cursor: pointer; }
.materials-builder__products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); gap: var(--space-3); }
.materials-builder__product { display: grid; gap: var(--space-4); min-inline-size: 0; padding: var(--space-4); border: var(--border-default); border-radius: var(--radius-lg); background: var(--color-white); }
.materials-builder__product h4, .materials-builder__product p { margin: 0; }
.materials-builder__product h4 { font-size: 0.95rem; }
.materials-builder__product p { color: var(--color-text-muted); font-size: var(--font-size-caption); }
.materials-builder__product-heading { display: flex; gap: var(--space-2); align-items: flex-start; }
.materials-builder__product-icon { display: inline-grid; flex: 0 0 auto; place-items: center; inline-size: 2rem; block-size: 2rem; margin-block-start: -0.2rem; border-radius: var(--radius-md); background: var(--color-primary-soft); font-size: 1rem; line-height: 1; }
.materials-builder__product-image { inline-size: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius-md); object-fit: cover; }
.materials-builder__product small { display: block; margin-block-start: var(--space-2); color: var(--color-text-muted); font-size: 0.68rem; line-height: 1.35; }
.materials-builder.is-services-category .materials-builder__products { background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary-soft) 54%, var(--color-white)), var(--color-white) 45%); }
.materials-builder__service { border-color: color-mix(in srgb, var(--color-primary) 36%, var(--color-border)); }
.materials-builder__service.is-selected { border-color: var(--color-primary); background: var(--color-primary-soft); }
.materials-builder__product-footer { display: flex; gap: var(--space-2); align-items: center; justify-content: space-between; }
.materials-builder__quantity { display: inline-flex; align-items: center; border: var(--border-default); border-radius: var(--radius-md); overflow: hidden; }
.materials-builder__quantity button { display: inline-grid; place-items: center; inline-size: 2rem; block-size: 2rem; padding: 0; border: 0; background: var(--color-background-alt); color: var(--color-link); font: inherit; font-size: 1.2rem; cursor: pointer; }
.materials-builder__quantity output { min-inline-size: 2.5rem; padding-inline: var(--space-2); font-size: var(--font-size-caption); font-weight: var(--font-weight-semibold); text-align: center; }
.materials-builder__add { min-block-size: 2rem; padding: var(--space-2) var(--space-3); font-size: var(--font-size-caption); }
.materials-builder__summary { display: grid; align-content: start; gap: var(--space-4); min-inline-size: 0; padding: var(--space-5); overflow: auto; border-inline-start: var(--border-default); background: color-mix(in srgb, var(--color-primary-soft) 34%, var(--color-white)); }
.materials-builder__summary-heading { display: flex; gap: var(--space-3); align-items: center; justify-content: space-between; }
.materials-builder__summary h3 { margin: 0; font-size: var(--font-size-h4); }
.materials-builder__clear, .materials-builder__summary-close { padding: 0; border: 0; background: transparent; color: var(--color-link); font: inherit; font-size: var(--font-size-caption); font-weight: var(--font-weight-semibold); cursor: pointer; }
.materials-builder__summary-items { display: grid; gap: var(--space-3); }
.materials-builder__empty { margin: 0; color: var(--color-text-muted); font-size: var(--font-size-small); line-height: 1.5; }
.materials-builder__summary-group { display: grid; gap: var(--space-2); }
.materials-builder__summary-group > strong { display: flex; gap: var(--space-1); align-items: center; font-size: var(--font-size-caption); color: var(--color-link); text-transform: uppercase; letter-spacing: 0.06em; }
.materials-builder__summary-icon { font-size: 1rem; line-height: 1; }
.materials-builder__summary-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-2); align-items: start; padding-block-end: var(--space-2); border-block-end: var(--border-default); }
.materials-builder__summary-item p { margin: 0; font-size: var(--font-size-caption); line-height: 1.4; }
.materials-builder__summary-item-name { display: flex; gap: var(--space-1); align-items: start; }
.materials-builder__summary-item-icon { flex: 0 0 auto; font-size: 0.9rem; line-height: 1.4; }
.materials-builder__summary-item p + p { color: var(--color-text-muted); }
.materials-builder__remove { inline-size: 1.75rem; block-size: 1.75rem; padding: 0; border: 0; border-radius: var(--radius-pill); background: transparent; color: var(--color-link); font-size: 1.2rem; cursor: pointer; }
.materials-builder__notes-label { display: flex; justify-content: space-between; gap: var(--space-2); font-size: var(--font-size-small); font-weight: var(--font-weight-semibold); }
.materials-builder__notes-label span { color: var(--color-text-muted); font-size: var(--font-size-caption); font-weight: var(--font-weight-regular); }
.materials-builder__notes { inline-size: 100%; min-block-size: 5rem; padding: var(--space-3); border: var(--border-default); border-radius: var(--radius-md); resize: vertical; font: inherit; font-size: var(--font-size-small); }
.materials-builder__send { inline-size: 100%; min-block-size: 3rem; font-size: var(--font-size-small); }
.materials-builder__send .whatsapp-icon { inline-size: 1.15rem; block-size: 1.15rem; filter: brightness(0) invert(1); }
.materials-builder__mobile-footer { display: none; }
.is-materials-builder-open { overflow: hidden; }

@media (min-width: 768px) {
  .materials-budget-container { grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-8); }
}
@media (max-width: 1023px) {
  .materials-builder__body { grid-template-columns: 10rem minmax(0, 1fr) minmax(15rem, 18rem); }
  .materials-builder__products { padding: var(--space-4); }
  .materials-builder__summary { padding: var(--space-4); }
}
@media (max-width: 767px) {
  .materials-builder { inline-size: 100vw; max-block-size: 100dvh; min-block-size: 100dvh; border-radius: 0; }
  .materials-builder__shell { min-block-size: 100dvh; max-block-size: 100dvh; }
  .materials-builder__header { padding: var(--space-4); }
  .materials-builder__header h2 { font-size: var(--font-size-h4); }
  .materials-builder__header > div > p:last-child { font-size: var(--font-size-caption); }
  .materials-builder__body { display: block; overflow: hidden; }
  .materials-builder__categories { display: flex; gap: var(--space-2); padding: var(--space-3) var(--space-4); overflow-x: auto; overflow-y: hidden; border-block-end: var(--border-default); border-inline-end: 0; white-space: nowrap; }
  .materials-builder__category { inline-size: auto; flex: 0 0 auto; padding: var(--space-2) var(--space-3); }
  .materials-builder__products { block-size: 100%; padding: var(--space-4); overflow: auto; }
  .materials-builder__products-heading { grid-template-columns: minmax(0, 1fr); gap: var(--space-2); }
  .materials-builder__feedback { grid-column: auto; max-inline-size: none; text-align: start; }
  .materials-builder__subcategories { margin: 0; }
  .materials-builder__products-grid { grid-template-columns: minmax(0, 1fr); }
  .materials-builder__summary { position: absolute; inset: 0; z-index: 2; transform: translateX(101%); transition: transform var(--duration-normal) var(--ease-standard); border-inline-start: 0; }
  .materials-builder.is-summary-open .materials-builder__summary { transform: translateX(0); }
  .materials-builder__summary-close { justify-self: start; }
  .materials-builder__mobile-footer { display: block; padding: var(--space-3) var(--space-4); border-block-start: var(--border-default); background: var(--color-white); }
  .materials-builder__mobile-footer .btn { inline-size: 100%; justify-content: space-between; border-color: var(--color-primary); color: var(--color-link); }
  .materials-builder__count { color: var(--color-text-muted); font-size: var(--font-size-caption); }
}

/* Sobre: faixa institucional compacta conforme a referência aprovada. */
.about-section {
  padding-block: clamp(4rem, 5vw, 5rem);
  scroll-margin-block-start: 5.5rem;
}
.about-container {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}
.about-media-group { display: grid; gap: var(--space-4); min-inline-size: 0; }
.about-media {
  position: relative;
  min-inline-size: 0;
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--color-background-alt);
  box-shadow: var(--shadow-md);
}
.about-media__image {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  object-position: center 70%;
}
.about-media__location {
  position: absolute;
  inset: auto auto var(--space-3) var(--space-3);
  max-inline-size: calc(100% - 2 * var(--space-3));
  margin: 0;
}
.about-media__location a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: 2.5rem;
  padding: var(--space-2) var(--space-4);
  border: var(--border-default);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-white) 96%, transparent);
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-label);
  text-decoration: none;
  transition: border-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
}
.about-media__location a:hover { border-color: var(--color-primary); color: var(--color-link); transform: translateY(-1px); }
.about-media__location a:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.about-media__location .icon { flex: 0 0 auto; color: var(--color-link); }
.about-content {
  display: grid;
  gap: var(--space-5);
  min-inline-size: 0;
}
.about-content__intro { display: grid; gap: var(--space-3); }
.about-content__intro > * { margin-block: 0; }
.about-content__intro h2 {
  max-inline-size: 25ch;
  font-size: clamp(1.75rem, 1.45rem + 1vw, 2.35rem);
  line-height: 1.04;
}
.about-description { max-inline-size: 67ch; }
.about-description > * { margin-block: 0; }
.about-highlights {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}
.about-highlight {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  min-inline-size: 0;
  padding-block: var(--space-3);
  border-block-start: var(--border-default);
  font-size: var(--font-size-small);
  line-height: var(--line-height-label);
}
.about-highlight__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 2.25rem;
  block-size: 2.25rem;
  color: var(--color-link);
}
.about-highlight__icon .icon { inline-size: 2rem; block-size: 2rem; }
.about-cta {
  justify-self: start;
  min-block-size: 2.5rem;
  padding: var(--space-2) var(--space-4);
  border-color: var(--color-primary);
  color: var(--color-link);
}
@media (min-width: 768px) {
  .about-media { aspect-ratio: 2.15 / 1; }
  .about-highlights { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .about-highlight {
    align-content: center;
    border-block-start: 0;
    padding: 0 var(--space-4);
  }
  .about-highlight:first-child { padding-inline-start: 0; }
  .about-highlight + .about-highlight { border-inline-start: var(--border-default); }
}
@media (min-width: 1024px) {
  .about-container {
    grid-template-columns: minmax(0, 1.03fr) minmax(0, 1.12fr);
    gap: clamp(3rem, 4.5vw, 5rem);
  }
  .about-media { aspect-ratio: 2.35 / 1; }
  .about-media__image { object-position: center 61%; }
  .about-content { gap: var(--space-5); }
  .about-content__intro { gap: var(--space-3); }
  .about-description { font-size: var(--font-size-small); line-height: 1.5; }
}
@media (prefers-reduced-motion: no-preference) {
  .js .about-content__intro.is-revealed { animation-delay: 60ms; }
  .js .about-highlight:nth-child(1).is-revealed { animation-delay: 120ms; }
  .js .about-highlight:nth-child(2).is-revealed { animation-delay: 180ms; }
  .js .about-highlight:nth-child(3).is-revealed { animation-delay: 240ms; }
  .js .about-cta.is-revealed { animation-delay: 300ms; }
}

/* Engenharia Civil: banner institucional fiel à composição aprovada. */
.engineering-section {
  --engineering-padding: var(--space-9);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: var(--engineering-padding);
  background: var(--color-dark);
  scroll-margin-block-start: 5.5rem;
}
.engineering-section::before,
.engineering-section::after {
  position: absolute;
  z-index: 2;
  content: "";
  width: clamp(5.5rem, 9vw, 8rem);
  height: clamp(6.5rem, 11vw, 9rem);
  background: linear-gradient(135deg, var(--color-primary) 0 30%, #009a55 30% 37%, #006f47 37% 63%, #034235 63% 100%);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  opacity: 0.62;
  pointer-events: none;
}
.engineering-section::before { inset: 0 auto auto 0; }
.engineering-section::after { inset: auto 0 0 auto; transform: rotate(180deg); }
.engineering-container {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-7);
  align-items: center;
}
.engineering-copy { display: grid; gap: var(--space-4); min-width: 0; }
.engineering-copy > * { margin-block: 0; }
.engineering-copy .eyebrow { color: var(--color-white); }
.engineering-copy h2 { max-inline-size: 22ch; }
.engineering-description { max-inline-size: 66ch; color: var(--color-muted-on-dark); font-size: var(--font-size-body); line-height: 1.55; }
.engineering-media {
  position: relative;
  min-width: 0;
  margin: 0;
  aspect-ratio: 943 / 1672;
  overflow: hidden;
  background: var(--color-dark);
}
.engineering-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-dark) 58%, transparent) 0%, color-mix(in srgb, var(--color-dark) 20%, transparent) 35%, transparent 68%);
  pointer-events: none;
}
.engineering-media picture,
.engineering-media__image { display: block; width: 100%; height: 100%; }
.engineering-media__image { object-fit: contain; object-position: left center; }
.engineering-differentials {
  display: grid;
  list-style: none;
  min-width: 0;
  margin: 0;
  padding: var(--space-2) var(--space-4);
  border: var(--border-on-dark);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-dark-secondary) 86%, transparent);
}
.engineering-differential {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  padding-block: var(--space-3);
}
.engineering-differential + .engineering-differential { border-block-start: var(--border-on-dark); }
.engineering-differential__icon { display: inline-flex; color: var(--color-primary); }
.engineering-differential h3,
.engineering-differential p { margin: 0; }
.engineering-differential h3 { font-size: var(--font-size-small); line-height: var(--line-height-label); }
.engineering-differential p { margin-block-start: var(--space-1); color: var(--color-muted-on-dark); font-size: var(--font-size-caption); line-height: 1.45; }
@media (min-width: 768px) {
  .engineering-section { --engineering-padding: var(--space-10); }
  .engineering-media { aspect-ratio: 1672 / 941; }
  .engineering-differentials { padding-inline: var(--space-5); }
}
@media (min-width: 1024px) {
  .engineering-section { --engineering-padding: clamp(4rem, 5vw, 5rem); }
  .engineering-container {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    grid-template-rows: auto auto;
    column-gap: clamp(3rem, 5vw, 4.5rem);
    row-gap: var(--space-5);
  }
  .engineering-copy { grid-column: 2; grid-row: 1; }
  .engineering-copy,
  .engineering-differentials { position: relative; z-index: 1; }
  .engineering-copy h2 { max-inline-size: 26ch; font-size: clamp(2rem, 1.5rem + 0.65vw, 2.375rem); }
  .engineering-media {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: stretch;
    justify-self: start;
    z-index: 0;
    width: auto;
    max-width: none;
    height: calc(100% + var(--engineering-padding) + var(--engineering-padding));
    min-height: 20rem;
    margin-block: calc(0px - var(--engineering-padding));
    margin-inline-start: min(calc(0px - var(--container-gutter)), calc((var(--container-max) - 100vw) / 2));
    aspect-ratio: 1672 / 941;
  }
  .engineering-media__image { object-position: left center; }
  .engineering-media::after {
    background: linear-gradient(90deg, transparent 68%, var(--color-dark)), linear-gradient(180deg, transparent 80%, color-mix(in srgb, var(--color-dark) 32%, transparent));
  }
  .engineering-differentials { grid-column: 2; grid-row: 2; grid-template-columns: 1.1fr 1fr 1.2fr; padding: 0 var(--space-2); }
  .engineering-differential { position: relative; align-content: center; min-height: 4.5rem; gap: var(--space-3); padding: var(--space-1) var(--space-2); }
  .engineering-differential + .engineering-differential { border-block-start: 0; border-inline-start: 0; }
  .engineering-differential + .engineering-differential::before {
    position: absolute;
    inset: var(--space-3) auto var(--space-3) 0;
    width: 1px;
    content: "";
    background: var(--color-border-dark);
  }
  .engineering-differential__icon .icon { width: 2.5rem; height: 2.5rem; }
  .engineering-differential h3 { font-size: 0.8125rem; line-height: 1.2; }
  .engineering-differential p { margin-block-start: 2px; font-size: 0.6875rem; line-height: 1.3; }
}
@media (prefers-reduced-motion: no-preference) {
  .js .engineering-copy.is-revealed { animation-delay: 60ms; }
  .js .engineering-media.is-revealed { animation-delay: 120ms; }
  .js .engineering-differentials.is-revealed { animation-delay: 180ms; }
}

/* Projetos e realizações: galeria horizontal, como definido no layout aprovado. */
.projects-section {
  padding-block: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  background: var(--color-background);
  scroll-margin-block-start: 5.5rem;
}
.projects-container { display: grid; gap: var(--space-5); align-items: center; justify-items: center; }
.projects-intro { display: grid; gap: var(--space-2); max-inline-size: 48rem; justify-items: center; text-align: center; }
.projects-intro > * { margin-block: 0; }
.projects-intro h2 { max-inline-size: 25ch; font-size: clamp(1.75rem, 1.45rem + 1vw, 2rem); line-height: 1.05; }
.projects-intro > p:not(.eyebrow) { max-inline-size: 44ch; color: var(--color-text); line-height: 1.35; }
.project-intro__cta {
  justify-self: center;
  min-height: 2.5rem;
  padding: var(--space-2) var(--space-4);
  border-color: var(--color-primary);
  color: var(--color-link);
}
.project-intro__cta:hover:not(:disabled) { border-color: var(--color-primary-hover); color: var(--color-link-hover); }
.projects-carousel {
  --projects-gap: var(--space-4);
  position: relative;
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr) 1.75rem;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}
.projects-carousel__viewport { min-width: 0; overflow: hidden; }
.projects-gallery {
  display: flex;
  gap: var(--projects-gap);
  min-width: 0;
  transition: transform var(--duration-normal) var(--ease-standard);
  will-change: transform;
}
.project-card {
  position: relative;
  display: block;
  flex: 0 0 100%;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: var(--border-default);
  border-radius: var(--radius-md);
  background: var(--color-dark);
  aspect-ratio: 16 / 9;
  cursor: zoom-in;
}
.project-card:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.project-card::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  background: color-mix(in srgb, var(--color-dark) 0%, transparent);
  transition: background var(--transition-base);
  pointer-events: none;
}
.project-card__image {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  transition: transform var(--transition-base), filter var(--transition-base);
}
.project-card__zoom {
  position: absolute;
  z-index: 2;
  inset: auto var(--space-3) var(--space-3) auto;
  display: inline-grid;
  place-items: center;
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border-radius: var(--radius-sm);
  color: var(--color-white);
  background: color-mix(in srgb, var(--color-dark) 70%, transparent);
  opacity: 0;
  transform: translateY(0.35rem);
  transition: opacity var(--transition-base), transform var(--transition-base), background var(--transition-base);
}
.project-card:hover .project-card__image,
.project-card:focus-visible .project-card__image { transform: scale(1.03); }
.project-card:hover::after,
.project-card:focus-visible::after { background: color-mix(in srgb, var(--color-dark) 13%, transparent); }
.project-card:hover .project-card__zoom,
.project-card:focus-visible .project-card__zoom { background: var(--color-primary); opacity: 1; transform: translateY(0); }
.projects-carousel__control {
  display: inline-grid;
  place-items: center;
  inline-size: 1.75rem;
  block-size: 3rem;
  padding: 0;
  border: 0;
  color: var(--color-link);
  background: transparent;
  cursor: pointer;
  transition: color var(--transition-base), transform var(--transition-base), opacity var(--transition-base);
}
.projects-carousel__control .icon { inline-size: 1.25rem; block-size: 1.25rem; stroke-width: 2; }
.projects-carousel__control--previous { justify-self: start; }
.projects-carousel__control--next { justify-self: end; }
.projects-carousel__control--previous:hover:not(:disabled) { color: var(--color-primary-hover); transform: translateX(-2px); }
.projects-carousel__control--next:hover:not(:disabled) { color: var(--color-primary-hover); transform: translateX(2px); }
.projects-carousel__control:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.projects-carousel__control:disabled { opacity: 0.35; cursor: not-allowed; }
.project-lightbox {
  inline-size: min(96vw, 70rem);
  max-inline-size: none;
  max-block-size: 92vh;
  margin: auto;
  padding: 0;
  overflow: visible;
  border: 0;
  background: transparent;
  color: var(--color-white);
}
.project-lightbox::backdrop { background: color-mix(in srgb, var(--color-dark) 92%, transparent); }
.project-lightbox__content { position: relative; display: grid; place-items: center; min-block-size: min(74vh, 42rem); }
.project-lightbox__figure { display: grid; gap: var(--space-3); inline-size: min(100%, 62rem); margin: 0; }
.project-lightbox__image {
  display: block;
  inline-size: 100%;
  block-size: auto;
  max-block-size: 76vh;
  object-fit: contain;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.project-lightbox__figure figcaption { color: var(--color-muted-on-dark); font-size: var(--font-size-small); text-align: center; }
.project-lightbox__close,
.project-lightbox__control {
  display: inline-grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--color-white) 48%, transparent);
  border-radius: var(--radius-round);
  color: var(--color-white);
  background: color-mix(in srgb, var(--color-dark) 78%, transparent);
  cursor: pointer;
}
.project-lightbox__close { position: absolute; inset: 0 0 auto auto; z-index: 1; inline-size: 2.75rem; block-size: 2.75rem; font-size: 2rem; line-height: 1; }
.project-lightbox__control { position: absolute; inset-block-start: 50%; inline-size: 3rem; block-size: 3rem; transform: translateY(-50%); }
.project-lightbox__control--previous { inset-inline-start: -3.75rem; }
.project-lightbox__control--next { inset-inline-end: -3.75rem; }
.project-lightbox__close:hover,
.project-lightbox__control:hover { border-color: var(--color-primary); background: var(--color-primary); }
.project-lightbox__close:focus-visible,
.project-lightbox__control:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.is-project-lightbox-open { overflow: hidden; }
@media (min-width: 768px) {
  .projects-carousel { --projects-gap: var(--space-5); }
  .project-card { flex-basis: calc((100% - var(--projects-gap)) / 2); }
}
@media (min-width: 1024px) {
  .projects-container { gap: var(--space-5); }
  .projects-intro {
    justify-items: center;
    inline-size: min(100%, 48rem);
    max-inline-size: none;
    justify-self: center;
    text-align: center;
  }
  .projects-intro h2 { max-inline-size: none; }
  .projects-intro > p:not(.eyebrow) { max-inline-size: none; }
  .projects-carousel {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    inline-size: 100%;
    justify-self: center;
  }
  .projects-carousel__control {
    position: absolute;
    z-index: 2;
    inset-block-start: 50%;
    transform: translateY(-50%);
  }
  .projects-carousel__control--previous { inset-inline-start: -1.75rem; }
  .projects-carousel__control--next { inset-inline-end: -1.75rem; }
  .projects-carousel__control--previous:hover:not(:disabled) { transform: translate(-2px, -50%); }
  .projects-carousel__control--next:hover:not(:disabled) { transform: translate(2px, -50%); }
  .projects-carousel__viewport {
    grid-column: 1;
    grid-row: 1;
  }
  .projects-carousel { --projects-gap: var(--space-4); }
  .project-card { flex-basis: calc((100% - var(--projects-gap) - var(--projects-gap) - var(--projects-gap)) / 4); }
}
@media (max-width: 767px) {
  .projects-carousel { inline-size: 120%; max-inline-size: 28rem; }
  .project-card__zoom { opacity: 1; transform: none; }
  .project-lightbox { inline-size: min(100% - 2rem, 40rem); }
  .project-lightbox__content { min-block-size: 100vh; }
  .project-lightbox__figure { inline-size: 100%; }
  .project-lightbox__control { inset-block-start: auto; inset-block-end: 1.5rem; transform: none; }
  .project-lightbox__control--previous { inset-inline-start: calc(50% - 3.5rem); }
  .project-lightbox__control--next { inset-inline-end: calc(50% - 3.5rem); }
}
@media (prefers-reduced-motion: no-preference) {
  .js .projects-intro.is-revealed { animation-delay: 60ms; }
  .js .project-card.is-revealed { animation-delay: 120ms; }
  .js .project-card:nth-child(2).is-revealed { animation-delay: 180ms; }
  .js .project-card:nth-child(3).is-revealed { animation-delay: 240ms; }
  .js .project-card:nth-child(4).is-revealed { animation-delay: 300ms; }
}
@media (prefers-reduced-motion: reduce) {
  .projects-gallery { transition: none; }
}

/* Contato: faixa de conversão final conforme a referência aprovada. */
.contact-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(2rem, 3vw, 2.75rem);
  background:
    radial-gradient(circle at 5% 10%, color-mix(in srgb, var(--color-primary) 20%, transparent), transparent 24%),
    linear-gradient(115deg, var(--color-dark) 0%, #082025 54%, var(--color-dark) 100%);
  scroll-margin-block-start: 5.5rem;
}
.contact-section::before,
.contact-section::after {
  position: absolute;
  z-index: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(135deg, var(--color-primary), #00e772 52%, #007844);
  opacity: 0.9;
}
.contact-section::before {
  inset: 0 auto auto 0;
  inline-size: clamp(6.5rem, 9vw, 10rem);
  block-size: clamp(7rem, 13vw, 12rem);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}
.contact-section::after {
  inset: auto 0 0 auto;
  inline-size: clamp(7rem, 10vw, 12rem);
  block-size: clamp(8rem, 14vw, 13rem);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.contact-container {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-7);
  align-items: center;
}
.contact-intro { display: grid; gap: var(--space-3); }
.contact-intro > * { margin: 0; }
.contact-intro .eyebrow { color: var(--color-primary); }
.contact-intro h2 { max-inline-size: 18ch; color: var(--color-white); font-size: clamp(2rem, 1.45rem + 1.6vw, 3rem); line-height: 1.1; }
.contact-details {
  display: grid;
  gap: var(--space-5);
  padding-inline-start: var(--space-7);
  border-inline-start: var(--border-on-dark);
}
.contact-detail {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
  margin: 0;
  color: var(--color-white);
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.35rem);
  font-style: normal;
  font-weight: var(--font-weight-regular);
  line-height: 1.25;
}
.contact-detail__icon { display: inline-flex; color: var(--color-primary); }
.contact-detail__icon .icon { inline-size: 3rem; block-size: 3rem; stroke-width: 1.7; }
.contact-actions { display: grid; gap: var(--space-4); }
.contact-action {
  inline-size: 100%;
  min-block-size: 4rem;
  border-radius: var(--radius-xl);
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.35rem);
  white-space: nowrap;
}
.contact-action--whatsapp { color: var(--color-white); border-color: var(--color-primary); box-shadow: inset 0 1px 0 rgb(255 255 255 / 28%), 0 0.75rem 1.8rem rgb(8 185 94 / 25%); }
.contact-action--whatsapp .whatsapp-icon { inline-size: 2rem; block-size: 2rem; filter: brightness(0) invert(1); }
.contact-action--map { color: var(--color-white); }
.contact-action--map .icon { color: var(--color-primary); }
@media (min-width: 900px) {
  /* Redução proporcional de 30% da composição desktop, mantendo o mobile legível. */
  .contact-section {
    padding-block: clamp(1.4rem, 2.1vw, 1.925rem);
  }
  .contact-section::before {
    inline-size: clamp(4.55rem, 6.3vw, 7rem);
    block-size: clamp(4.9rem, 9.1vw, 8.4rem);
  }
  .contact-section::after {
    inline-size: clamp(4.9rem, 7vw, 8.4rem);
    block-size: clamp(5.6rem, 9.8vw, 9.1rem);
  }
  .contact-container {
    grid-template-columns: minmax(14rem, 1.15fr) minmax(16.1rem, 1.05fr) minmax(12.6rem, 0.78fr);
    gap: clamp(1.4rem, 2.8vw, 3.5rem);
  }
  .contact-intro { gap: 0.525rem; }
  .contact-intro .eyebrow {
    gap: 0.48125rem;
    font-size: clamp(0.66172rem, 0.64170rem + 0.08913vw, 0.72188rem);
  }
  .contact-intro .eyebrow::before { inline-size: 0.48125rem; block-size: 0.72188rem; }
  .contact-intro h2 {
    max-inline-size: 18ch;
    font-size: clamp(1.4rem, 1.015rem + 1.12vw, 2.1rem);
  }
  .contact-details {
    gap: 1.05rem;
    padding-inline-start: 1.75rem;
  }
  .contact-detail {
    gap: 0.7rem;
    font-size: clamp(0.7rem, 0.63rem + 0.35vw, 0.945rem);
  }
  .contact-detail__icon .icon { inline-size: 2.1rem; block-size: 2.1rem; }
  .contact-actions { gap: 0.7rem; }
  .contact-action {
    min-block-size: 2.8rem;
    border-radius: 0.7rem;
    font-size: clamp(0.7rem, 0.665rem + 0.28vw, 0.945rem);
  }
  .contact-action--whatsapp .whatsapp-icon { inline-size: 1.4rem; block-size: 1.4rem; }
  .contact-action .icon { inline-size: 1.4rem; block-size: 1.4rem; }
}
@media (max-width: 899px) {
  .contact-section::before { inline-size: 7rem; block-size: 8rem; }
  .contact-section::after { inline-size: 7rem; block-size: 8rem; }
  .contact-intro { justify-items: center; text-align: center; }
  .contact-intro h2 {
    inline-size: min(100%, 20ch);
    max-inline-size: 20ch;
    font-size: clamp(1.5rem, 1.3rem + 1vw, 1.75rem);
  }
  .contact-details { padding-inline-start: 0; border-inline-start: 0; }
  .contact-action { white-space: normal; }
}
@media (prefers-reduced-motion: no-preference) {
  .js .contact-intro.is-revealed { animation-delay: 60ms; }
  .js .contact-details.is-revealed { animation-delay: 120ms; }
  .js .contact-actions.is-revealed { animation-delay: 180ms; }
}

/* Diferenciais da Ambiente: faixa compacta centralizada conforme a referência aprovada. */
.advantages-section {
  inline-size: 100%;
  max-inline-size: 100%;
  padding-block: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(90deg, color-mix(in srgb, var(--color-primary-soft) 48%, var(--color-white)), var(--color-white) 48%, color-mix(in srgb, var(--color-primary-soft) 48%, var(--color-white)));
  scroll-margin-block-start: 5.5rem;
}
.advantages-container {
  display: grid;
  inline-size: 100%;
  min-inline-size: 0;
  gap: 2rem;
  align-items: center;
  justify-items: center;
}
.advantages-header {
  display: grid;
  gap: 0.625rem;
  inline-size: min(100%, 62rem);
  min-inline-size: 0;
  max-inline-size: 100%;
  justify-items: center;
  text-align: center;
}
.advantages-header > * { margin-block: 0; }
.advantages-header h2 {
  inline-size: min(100%, 42ch);
  min-inline-size: 0;
  max-inline-size: 100%;
  font-size: clamp(1.35rem, 1.25rem + 0.25vw, 1.4rem);
  line-height: 1.1;
  overflow-wrap: anywhere;
}
.advantages-header h2 span { color: var(--color-primary); }
.advantages-header > p:not(.eyebrow) { min-inline-size: 0; max-inline-size: 100%; color: var(--color-text); font-size: var(--font-size-small); line-height: 1.4; }
.advantages-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  inline-size: min(100%, 62rem);
  min-inline-size: 0;
  max-inline-size: 100%;
  margin: 0;
  padding: 0;
  row-gap: 1.25rem;
  list-style: none;
}
.advantage-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
  min-inline-size: 0;
  padding: 0;
  border: 0;
}
.advantage-item > div { min-inline-size: 0; }
.advantage-icon {
  display: inline-grid;
  place-items: center;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary-soft) 78%, var(--color-white));
}
.advantage-icon .icon {
  inline-size: 1.75rem;
  block-size: 1.75rem;
}
.advantage-title,
.advantage-description { margin: 0; }
.advantage-title {
  font-size: 0.95rem;
  line-height: var(--line-height-label);
}
.advantage-description {
  margin-block-start: var(--space-1);
  color: var(--color-text);
  font-size: 0.75rem;
  line-height: 1.4;
}
@media (max-width: 767px) {
  .advantages-container { padding-inline: clamp(1.25rem, 8vw, 2rem); }
  .advantages-grid {
    inline-size: min(100%, 20rem);
    justify-self: center;
  }
}
@media (min-width: 768px) {
  .advantages-section { padding-block: clamp(3rem, 4.5vw, 4rem); }
  .advantages-container { gap: clamp(2.5rem, 3vw, 3rem); }
  .advantages-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.5rem, 5vw, 5rem);
    row-gap: clamp(1.5rem, 2vw, 2rem);
  }
  .advantage-item { padding: 0; }
}
@media (min-width: 1024px) {
  .advantages-container { gap: clamp(2.5rem, 3vw, 3rem); }
}
@media (prefers-reduced-motion: no-preference) {
  .js .advantages-header.is-revealed { animation-delay: 60ms; }
  .js .advantage-item:nth-child(1).is-revealed { animation-delay: 120ms; }
  .js .advantage-item:nth-child(2).is-revealed { animation-delay: 180ms; }
  .js .advantage-item:nth-child(3).is-revealed { animation-delay: 240ms; }
  .js .advantage-item:nth-child(4).is-revealed { animation-delay: 300ms; }
}