/* ==========================================================
   RS Manutenção Predial — estilos
   Marca: laranja #D94D1A + grafite #101D23. Fonte: Inter.
   ========================================================== */

:root {
  --ink: #101D23;
  --ink-2: #17272F;
  --ink-3: #1E333D;
  --ink-line: #2C4350;

  --orange: #D94D1A;
  --orange-600: #C9420F;   /* fundo de botões (texto branco passa em AA) */
  --orange-700: #A8340A;   /* links sobre fundo claro */
  --orange-300: #FF8A5B;   /* texto laranja sobre fundo escuro */
  --orange-50: #FDF1EC;

  --white: #FFFFFF;
  --paper: #F5F3F0;
  --text: #1B2A31;
  --muted: #56666E;
  --line: #E2E5E7;
  --on-dark: #D5DEE2;
  --on-dark-muted: #9FB0B8;

  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(16, 29, 35, .06), 0 10px 28px -12px rgba(16, 29, 35, .18);
  --shadow-lg: 0 2px 4px rgba(16, 29, 35, .08), 0 24px 48px -20px rgba(16, 29, 35, .35);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --header-h: 72px;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; }
img { height: auto; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; margin: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
address { font-style: normal; }
:focus-visible { outline: 3px solid var(--orange-300); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--orange); color: var(--white); }

.container { width: min(100% - 40px, 1180px); margin-inline: auto; }
@media (min-width: 720px) { .container { width: min(100% - 64px, 1180px); } }

.ico { width: 1.25em; height: 1.25em; flex: none; }
.skip {
  position: absolute; left: 16px; top: -64px; z-index: 100;
  background: var(--white); color: var(--ink); padding: 10px 16px; border-radius: 8px; font-weight: 600;
}
.skip:focus { top: 12px; }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: inherit; font-weight: 700; line-height: 1; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; border-radius: 999px;
  padding: 14px 24px;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn--primary { background: var(--orange-600); color: var(--white); box-shadow: 0 8px 20px -8px rgba(217, 77, 26, .7); }
.btn--primary:hover { background: var(--orange-700); transform: translateY(-1px); }
.btn--ghost { color: var(--white); border-color: rgba(255, 255, 255, .28); background: transparent; }
.btn--ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, .06); }
.btn--sm { padding: 11px 18px; font-size: .9rem; }
.btn--lg { padding: 17px 28px; font-size: 1.02rem; }
.btn--block { width: 100%; }

/* ---------- cabeçalho ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(16, 29, 35, .94);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  transition: box-shadow .2s ease;
}
.header.is-scrolled { box-shadow: 0 10px 30px -18px rgba(0, 0, 0, .8); }
.header__in { display: flex; align-items: center; gap: 12px; height: var(--header-h); }
.brand { display: block; margin-right: auto; }
.brand img { display: block; height: 40px; width: auto; }

.nav { display: none; }
.nav a {
  color: var(--on-dark); text-decoration: none; font-weight: 500; font-size: .95rem; white-space: nowrap;
  padding: 8px 12px; border-radius: 8px; transition: color .15s, background-color .15s;
}
.nav a:hover, .nav a.is-active { color: var(--white); background: rgba(255, 255, 255, .07); }

.burger {
  width: 44px; height: 44px; border: 0; border-radius: 12px; background: rgba(255, 255, 255, .08);
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer;
}
.burger span { width: 20px; height: 2px; border-radius: 2px; background: var(--white); transition: transform .2s ease, opacity .2s ease; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1039px) {
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    display: none; flex-direction: column; gap: 2px;
    padding: 12px 20px 20px; background: var(--ink);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 12px; font-size: 1.05rem; }
  .header__cta span { display: none; }
  .header__cta { padding: 11px 13px; }
}
@media (min-width: 1040px) {
  .nav { display: flex; align-items: center; gap: 4px; }
  .burger { display: none; }
  .brand img { height: 44px; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden; color: var(--white);
  background:
    radial-gradient(900px 520px at 85% 10%, rgba(217, 77, 26, .22), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(44, 67, 80, .55), transparent 60%),
    var(--ink);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
}
.hero__in {
  position: relative; display: grid; gap: 40px; align-items: center;
  padding-block: clamp(40px, 7vw, 88px) clamp(48px, 7vw, 96px);
}
.hero h1 {
  font-size: clamp(2.35rem, 6.2vw, 4.1rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.04;
  margin-top: 14px; text-wrap: balance;
}
.hero h1 mark { background: none; color: var(--orange-300); }
.lead { margin-top: 20px; max-width: 54ch; font-size: clamp(1.02rem, 1.6vw, 1.15rem); color: var(--on-dark); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__facts {
  display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0;
  margin: 40px 0 0; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero__facts > div { padding-right: clamp(16px, 3vw, 32px); margin-right: clamp(16px, 3vw, 32px); border-right: 1px solid rgba(255, 255, 255, .12); }
.hero__facts > div:last-child { border: 0; margin: 0; padding: 0; }
.hero__facts dt { font-weight: 800; font-size: clamp(1rem, 2.2vw, 1.25rem); letter-spacing: -.01em; }
.hero__facts dd { margin: 2px 0 0; font-size: .86rem; color: var(--on-dark-muted); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--orange-700);
}
.eyebrow::before { content: ""; width: 28px; height: 3px; border-radius: 3px; background: currentColor; }
.eyebrow--light { color: var(--orange-300); }

.hero__visual { display: flex; justify-content: center; }
.scene-wrap { position: relative; width: 100%; max-width: 480px; }
.scene { display: block; width: 100%; height: auto; }
.roof { stroke-dasharray: 520; stroke-dashoffset: 520; animation: draw 1.4s .2s cubic-bezier(.2, .7, .2, 1) forwards; }
.roof--thin { animation-delay: .5s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

.pin { position: absolute; left: calc(var(--x) * 1%); top: calc(var(--y) * 1%); width: 14px; height: 14px; transform: translate(-50%, -50%); pointer-events: none; }
.pin__dot { display: block; width: 14px; height: 14px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 3px rgba(255, 255, 255, .92); position: relative; }
.pin__dot::after { content: ""; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid var(--orange-300); animation: pulse 2.2s ease-out infinite; }
.pin__label {
  position: absolute; top: 50%; transform: translateY(-50%); white-space: nowrap;
  background: var(--white); color: var(--ink); font-size: .76rem; font-weight: 700; letter-spacing: 0;
  padding: 6px 11px; border-radius: 999px; box-shadow: 0 8px 20px -8px rgba(0, 0, 0, .6);
}
.pin--right .pin__label { left: 24px; }
.pin--left .pin__label { right: 24px; }
@keyframes pulse { from { transform: scale(.7); opacity: 1; } to { transform: scale(2.4); opacity: 0; } }

@media (min-width: 900px) {
  .hero__in { grid-template-columns: 1.08fr .92fr; gap: 56px; }
  .hero__visual { justify-content: flex-end; }
}

/* ---------- seções ---------- */
.section { padding-block: clamp(64px, 9vw, 112px); scroll-margin-top: var(--header-h); }
.section--tint { background: var(--paper); }
.section--dark { background: var(--ink); color: var(--white); }
section[id] { scroll-margin-top: calc(var(--header-h) - 1px); }

.section__head { max-width: 680px; margin-bottom: clamp(32px, 5vw, 56px); }
.section__head h2 { margin-top: 14px; font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 800; text-wrap: balance; }
.section__lead { margin-top: 16px; color: var(--muted); font-size: 1.08rem; }
.section__note { margin-top: 36px; text-align: center; color: var(--muted); }
.section__note a { color: var(--orange-700); font-weight: 600; }

.grid { display: grid; gap: 20px; }
@media (min-width: 640px) { .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid--3 { grid-template-columns: repeat(3, 1fr); gap: 24px; } }

.card {
  position: relative; display: flex; flex-direction: column; gap: 12px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(217, 77, 26, .45); box-shadow: var(--shadow-lg); }
.card h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -.015em; }
.card p { color: var(--muted); }
.card__icon {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; margin-bottom: 6px;
  background: var(--orange-50); color: var(--orange-700);
}
.card__icon .ico { width: 26px; height: 26px; }

.link { margin-top: auto; padding-top: 8px; align-self: flex-start; color: var(--orange-700); font-weight: 700; text-decoration: none; }
.link span { display: inline-block; transition: transform .18s ease; }
.link:hover { text-decoration: underline; text-underline-offset: 4px; }
.link:hover span { transform: translateX(4px); }

.service--featured { background: var(--ink); border-color: var(--ink); color: var(--white); }
.service--featured h3 { color: var(--white); }
.service--featured p { color: var(--on-dark); }
.service--featured .card__icon { background: rgba(217, 77, 26, .2); color: var(--orange-300); }
.service--featured .link { color: var(--orange-300); }
.service--featured:hover { border-color: var(--orange); }
.badge {
  position: absolute; top: 20px; right: 20px;
  font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  color: var(--white); background: var(--orange-600); padding: 5px 10px; border-radius: 999px;
}

/* destaque ocupa duas colunas quando há espaço */
@media (min-width: 640px) { .service--featured { grid-column: span 2; } }
.service--featured p { max-width: 56ch; }
.service--featured h3 { font-size: 1.5rem; }

/* ---------- galeria ---------- */
.gallery { --cols: 2; --gap: 12px; display: flex; flex-wrap: wrap; justify-content: center; gap: var(--gap); }
.gallery .shot { flex: 0 0 calc((100% - (var(--cols) - 1) * var(--gap)) / var(--cols)); width: auto; }
@media (min-width: 700px) { .gallery { --cols: 3; --gap: 16px; } }
@media (min-width: 1100px) { .gallery { --cols: 5; } }

.shot {
  position: relative; display: block; width: 100%; margin: 0; padding: 0; border: 0;
  aspect-ratio: 4 / 5; overflow: hidden; cursor: zoom-in; text-align: left; font: inherit; color: var(--white);
  border-radius: var(--radius); background: var(--ink-2); box-shadow: var(--shadow);
}
.shot[data-kind="video"] { cursor: pointer; }
.shot img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.shot:hover img { transform: scale(1.05); }
.shot__cap {
  position: absolute; inset: auto 0 0 0; padding: 44px 14px 14px;
  font-size: .86rem; font-weight: 600; line-height: 1.35;
  background: linear-gradient(to top, rgba(16, 29, 35, .92), rgba(16, 29, 35, 0));
}
.shot__play {
  position: absolute; top: 10px; right: 10px; width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; color: var(--white);
  background: rgba(217, 77, 26, .92); box-shadow: 0 6px 16px -6px rgba(0, 0, 0, .6);
}
.shot__play svg { width: 20px; height: 20px; margin-left: 2px; }

.lightbox {
  width: 100%; max-width: none; height: 100%; max-height: none;
  margin: 0; padding: 0; border: 0; background: transparent; color: var(--white);
}
.lightbox::backdrop { background: rgba(8, 14, 18, .92); }
html:has(dialog[open]) { overflow: hidden; }
.lightbox__box {
  position: relative; height: 100%; padding: 64px 16px 20px;
  display: grid; grid-template-rows: minmax(0, 1fr) auto; justify-items: center;
}
.lightbox__stage { display: grid; place-items: center; width: 100%; min-height: 0; }
.lightbox__stage img, .lightbox__stage video {
  display: block; width: auto; height: auto; max-width: min(100%, 960px);
  max-height: calc(100vh - 150px); max-height: calc(100dvh - 150px);
  object-fit: contain; border-radius: 12px; background: #000;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .7);
}
.lightbox__cap { margin-top: 14px; padding-inline: 56px; text-align: center; font-weight: 600; }
.lightbox__btn {
  position: absolute; z-index: 2; width: 46px; height: 46px; padding: 0; border: 0; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer; color: var(--white);
  background: rgba(255, 255, 255, .14); transition: background-color .15s ease;
}
.lightbox__btn:hover { background: var(--orange-600); }
.lightbox__btn svg { width: 22px; height: 22px; }
.lightbox__close { top: 12px; right: 12px; }
.lightbox__prev, .lightbox__next { top: 50%; transform: translateY(-50%); }
.lightbox__prev { left: 10px; }
.lightbox__next { right: 10px; }
@media (max-width: 640px) {
  .lightbox__prev, .lightbox__next { top: auto; bottom: 14px; transform: none; }
  .lightbox__cap { padding-inline: 56px; }
}

.section__cta { margin-top: 36px; text-align: center; }
.btn--dark { background: var(--ink); color: var(--white); }
.btn--dark:hover { background: var(--ink-3); transform: translateY(-1px); }

/* ---------- sobre ---------- */
.about { position: relative; overflow: hidden; }
.about::before {
  content: ""; position: absolute; right: -80px; top: 50%; width: 520px; height: 540px; transform: translateY(-50%);
  background: url("../img/icone.png") center / contain no-repeat; opacity: .05; pointer-events: none;
}
.about__in { position: relative; display: grid; gap: 48px; align-items: center; }
.about h2 { margin-top: 14px; font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 800; text-wrap: balance; }
.about__text > p { margin-top: 20px; color: var(--on-dark); font-size: 1.08rem; max-width: 58ch; }
.stats { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.stat {
  flex: 1 1 150px; max-width: 240px; padding: 18px 22px; border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
}
.stat strong { display: block; font-size: 1.75rem; font-weight: 800; letter-spacing: -.02em; color: var(--orange-300); line-height: 1.1; }
.stat span { display: block; margin-top: 4px; font-size: .9rem; color: var(--on-dark-muted); }

.pillars { display: grid; gap: 14px; }
.pillars li {
  display: flex; gap: 20px; align-items: flex-start; padding: 24px;
  background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: var(--radius);
}
.pillars__n { font-size: 1.6rem; font-weight: 800; letter-spacing: -.02em; color: var(--orange); line-height: 1; padding-top: 3px; }
.pillars h3 { font-size: 1.15rem; font-weight: 700; }
.pillars p { margin-top: 6px; color: var(--on-dark-muted); }
@media (min-width: 900px) { .about__in { grid-template-columns: 1.1fr .9fr; gap: 72px; } }

/* ---------- processo ---------- */
.steps { display: grid; gap: 28px; counter-reset: step; }
.step { position: relative; padding-top: 4px; }
.step__n {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  background: var(--ink); color: var(--white); font-weight: 800; font-size: 1.1rem;
  box-shadow: 0 0 0 6px var(--orange-50);
}
.step h3 { margin-top: 20px; font-size: 1.2rem; font-weight: 700; }
.step p { margin-top: 8px; color: var(--muted); }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(2, 1fr); gap: 36px 28px; } }
@media (min-width: 1000px) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: 28px; }
  .step:not(:last-child)::after {
    content: ""; position: absolute; top: 28px; left: 64px; right: -12px; height: 2px;
    background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 16px);
  }
}

/* ---------- contato ---------- */
.contact { display: grid; gap: 24px; align-items: stretch; }
.contact__info {
  display: flex; flex-direction: column; gap: 32px; justify-content: space-between;
  background: var(--ink); color: var(--white); border-radius: var(--radius); padding: clamp(24px, 4vw, 40px);
}
.contact__list { display: grid; gap: 24px; }
.contact__list li { display: flex; gap: 16px; align-items: flex-start; }
.contact__list .ico { width: 24px; height: 24px; margin-top: 2px; color: var(--orange-300); }
.contact__list span { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark-muted); margin-bottom: 2px; }
.contact__list a { display: block; color: var(--white); font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
.contact__list a:hover { color: var(--orange-300); text-decoration: underline; text-underline-offset: 4px; }
.contact__list address { color: var(--on-dark); }
.contact__list address + a { margin-top: 6px; font-size: .92rem; color: var(--orange-300); }
.social { display: flex; gap: 10px; }
.social a {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255, 255, 255, .08); color: var(--white); transition: background-color .18s, transform .18s;
}
.social a:hover { background: var(--orange-600); transform: translateY(-2px); }

.form {
  display: grid; gap: 18px; align-content: start;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow);
}
.field { display: grid; gap: 8px; }
.field label { font-weight: 600; font-size: .92rem; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--white);
  border: 1.5px solid #CBD2D6; border-radius: var(--radius-sm); padding: 13px 14px;
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; min-height: 112px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--orange); box-shadow: 0 0 0 4px rgba(217, 77, 26, .18);
}
.field input.is-invalid { border-color: #B3261E; box-shadow: 0 0 0 4px rgba(179, 38, 30, .12); }
.form__status { min-height: 1.4em; font-weight: 600; font-size: .95rem; color: var(--orange-700); }
.form__status.is-error { color: #B3261E; }
.form__hint { margin-top: -8px; font-size: .85rem; color: var(--muted); }
@media (min-width: 960px) { .contact { grid-template-columns: .85fr 1.15fr; gap: 28px; } }

/* ---------- rodapé ---------- */
.footer { background: var(--ink); color: var(--on-dark); padding-top: clamp(48px, 7vw, 72px); }
.footer__in { display: grid; gap: 36px; padding-bottom: 40px; }
.footer__brand img { height: 46px; width: auto; display: block; }
.footer__brand p { margin-top: 16px; max-width: 34ch; color: var(--on-dark-muted); font-size: .95rem; }
.footer__col { display: flex; flex-direction: column; gap: 10px; font-size: .95rem; }
.footer__col h3 { margin-bottom: 4px; font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--white); }
.footer__col a { color: var(--on-dark); text-decoration: none; overflow-wrap: anywhere; }
.footer__col a:hover { color: var(--orange-300); text-decoration: underline; text-underline-offset: 4px; }
.footer__bar {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px;
  padding-block: 22px; border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: .85rem; color: var(--on-dark-muted);
}
.footer__social { display: flex; gap: 18px; }
.footer__social a { color: var(--on-dark); text-decoration: none; }
.footer__social a:hover { color: var(--orange-300); }
@media (min-width: 720px) { .footer__in { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .footer__in { grid-template-columns: 1.5fr 1fr 1.3fr 1.2fr; gap: 48px; } }

/* ---------- WhatsApp flutuante ---------- */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%;
  background: #1FA855; color: var(--white);
  box-shadow: 0 10px 28px -8px rgba(0, 0, 0, .5);
  transition: transform .18s ease, background-color .18s ease;
}
.wa-float svg { width: 32px; height: 32px; }
.wa-float:hover { transform: scale(1.07); background: #178F47; }

/* ---------- animações de entrada ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .grid > .reveal:nth-child(3n+2) { transition-delay: .08s; }
.js .grid > .reveal:nth-child(3n+3) { transition-delay: .16s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .roof { stroke-dashoffset: 0; }
  .js .reveal { opacity: 1; transform: none; }
}