/* Athos: lima sobre pergaminho, uma fonte só (Instrument Sans 400/500), cantos de 28px, sem sombra */
:root {
  --lime:#beff50; --ink:#14140f; --parchment:#f5f5eb; --white:#fff;
  --ash:#d2d2c8; --graphite:#6e6e64; --charcoal:#30302a; --stone:#919183; --smoke:#b9b9b7;
  --r-card:28px; --r-inner:18px; --r-pill:9999px; --r-input:8px;
  --max:1200px; --gut:24px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--white); color: var(--ink); font: 400 16px/1.5 'Instrument Sans', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, ul { margin: 0; }
h1, h2, h3 { font-weight: 500; }
ul { padding: 0; list-style: none; }
.wrap { max-width: calc(var(--max) + 2 * var(--gut)); margin: 0 auto; padding: 0 var(--gut); }
.eyebrow { font-size: 12px; line-height: 1.33; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; }
.muted { color: var(--graphite); }
.sec { padding: 104px 0; }
.sec.parch { background: var(--parchment); }
.sec-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 48px; }
.sec-head h2 { font-size: 60px; line-height: 1; letter-spacing: -.03em; max-width: 14ch; }
.sec-head p { max-width: 38ch; color: var(--graphite); }

/* Botões e links */
.btn { display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 26px; border-radius: var(--r-card); font: 500 16px/1 inherit; font-family: inherit; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.btn svg { width: 18px; height: 18px; }
.btn-lime { background: var(--lime); color: var(--ink); }
.btn-lime:hover { background: var(--ink); color: var(--lime); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--white); }
.link { text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; font-weight: 500; }

/* Logo em vetor: letras na cor do texto, o "t" com a barra longa pode mudar pela --logo-t */
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo svg { width: 84px; height: 29px; color: var(--ink); }
.logo small { font-size: 10px; line-height: 1.2; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; color: var(--graphite); }

/* Menu */
.top { position: sticky; top: 0; z-index: 10; background: var(--white); border-bottom: 1px solid transparent; }
.top.scrolled { border-bottom-color: var(--ash); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.nav { display: flex; gap: 28px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--graphite); transition: color .15s; }
.nav a:hover, .nav a[aria-current] { color: var(--ink); }
.top .btn { min-height: 44px; padding: 0 20px; font-size: 15px; }

/* Topo: bloco lima */
.hero { padding: 8px 0 0; }
.hero-block { background: var(--lime); border-radius: var(--r-card); padding: 72px 64px 56px; }
.hero h1 { font-size: 90px; line-height: .92; letter-spacing: -.03em; max-width: 13ch; }
.hero-sub { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-top: 56px; flex-wrap: wrap; }
.hero-sub p { font-size: 22px; line-height: 1.25; max-width: 30ch; }
.hero-cta { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.hero-facts { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 40px; }
.pill { display: inline-flex; align-items: center; min-height: 32px; padding: 0 14px; border-radius: var(--r-pill); border: 1px solid var(--ink); font-size: 14px; }
.hero-photo { margin-top: 16px; border-radius: var(--r-card); overflow: hidden; aspect-ratio: 21 / 9; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }

/* Serviços em lista */
.svc { border-top: 1px solid var(--ash); }
.svc li { display: grid; grid-template-columns: 1.1fr 1.6fr auto; gap: 32px; align-items: start; padding: 36px 0; border-bottom: 1px solid var(--ash); }
.svc h3 { font-size: 28px; line-height: 1.14; letter-spacing: -.02em; }
.svc p { color: var(--graphite); max-width: 52ch; }
.svc .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.svc .tags span { font-size: 13px; padding: 4px 12px; border-radius: var(--r-pill); background: var(--parchment); }

/* Tipos de ar: carrossel com rolagem nativa */
.rail { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 1fr); gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; scrollbar-width: none; }
.rail::-webkit-scrollbar { display: none; }
.rail > * { scroll-snap-align: start; }
@media (min-width: 900px) { .rail { grid-auto-columns: calc((100% - 32px) / 3); } }
.type { background: var(--parchment); border-radius: var(--r-card); padding: 12px 12px 28px; display: flex; flex-direction: column; }
.type img { border-radius: var(--r-inner); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.type h3 { font-size: 22px; line-height: 1.18; margin: 22px 16px 8px; }
.type p { color: var(--graphite); font-size: 15px; margin: 0 16px; }
.type .range { margin: auto 16px 0; padding-top: 20px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; }
.rail-nav { display: flex; gap: 8px; }
.rail-nav button { width: 52px; height: 52px; border-radius: var(--r-pill); border: 1px solid var(--ink); background: transparent; font: 500 18px/1 inherit; font-family: inherit; cursor: pointer; color: var(--ink); transition: background .15s, color .15s; }
.rail-nav button:hover { background: var(--ink); color: var(--white); }

/* Calculadora */
.calc { background: var(--white); border-radius: var(--r-card); display: grid; grid-template-columns: 1.35fr 1fr; overflow: hidden; }
.sec:not(.parch) .calc { border: 1px solid var(--ash); }
.calc-in { padding: 48px; display: grid; gap: 32px; }
.calc fieldset { border: 0; padding: 0; margin: 0; }
.calc legend, .calc .field > label { display: block; margin-bottom: 12px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: var(--r-pill); border: 1px solid var(--ash); font-size: 15px; cursor: pointer; transition: background .15s, border-color .15s; }
.chips input:checked + span { background: var(--ink); color: var(--white); border-color: var(--ink); }
.chips input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.area-row { display: flex; align-items: baseline; gap: 16px; }
.area-row input { flex: 1; }
.area-row output { font-size: 28px; font-weight: 500; letter-spacing: -.02em; min-width: 2.2em; text-align: right; }
input[type=range] { -webkit-appearance: none; appearance: none; height: 4px; border-radius: 4px; background: linear-gradient(var(--ink), var(--ink)) 0 / var(--p, 10%) 100% no-repeat, var(--ash); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--lime); border: 1px solid var(--ink); cursor: pointer; }
input[type=range]::-moz-range-thumb { width: 24px; height: 24px; border-radius: 50%; background: var(--lime); border: 1px solid var(--ink); cursor: pointer; }
.steps2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.step { display: flex; align-items: center; border: 1px solid var(--ash); border-radius: var(--r-input); width: max-content; }
.step button { width: 44px; height: 44px; border: 0; background: none; font: 400 20px/1 inherit; font-family: inherit; cursor: pointer; color: var(--ink); }
.step input { width: 48px; border: 0; text-align: center; font: 500 18px inherit; font-family: inherit; color: var(--ink); -moz-appearance: textfield; }
.step input::-webkit-inner-spin-button { -webkit-appearance: none; }
.calc-out { background: var(--charcoal); color: var(--parchment); padding: 48px; display: flex; flex-direction: column; gap: 14px; }
.calc-out .btu { display: flex; align-items: baseline; gap: 10px; margin-top: 4px; }
.calc-out .btu strong { font-size: 60px; line-height: 1; font-weight: 500; letter-spacing: -.03em; }
.is-projeto .calc-out .btu strong { font-size: 36px; line-height: 1.05; }
.calc-out p { font-size: 18px; }
.calc-out .calc-note { font-size: 13px; color: var(--smoke); }
.calc-out .btn { justify-content: space-between; width: 100%; }
.calc-out .js-add { color: var(--parchment); border-color: var(--stone); margin-top: auto; }
.calc-out .js-add:hover { background: var(--parchment); color: var(--ink); }
.calc-out .btn-lime:hover { background: var(--parchment); color: var(--ink); }
.lista { grid-column: 1 / -1; border-top: 1px solid var(--ash); padding: 24px 48px 32px; }
.lista-head { display: flex; justify-content: space-between; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; margin-bottom: 8px; }
.lista li { display: grid; grid-template-columns: 1fr 1.4fr auto 36px; gap: 16px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--ash); font-size: 15px; }
.lista li b { font-weight: 500; }
.lista li span { color: var(--graphite); }
.lista li strong { font-weight: 500; }
.lista li button { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--ash); background: none; cursor: pointer; font-size: 18px; color: var(--ink); }

/* Números */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.fact { background: var(--parchment); border-radius: var(--r-card); padding: 40px; min-height: 240px; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
.fact strong { font-size: 60px; line-height: 1; letter-spacing: -.03em; font-weight: 500; }
.fact p { color: var(--graphite); max-width: 28ch; }

/* Obras */
.works { display: grid; grid-auto-flow: dense; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 260px; gap: 16px; }
.works img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--r-card); }
.works .tall { grid-row: span 2; }
.works .wide { grid-column: span 2; }

/* Avaliações: ilha escura */
.island { background: var(--charcoal); color: var(--parchment); border-radius: var(--r-card); padding: 64px; }
.island-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; margin-bottom: 48px; }
.score { display: flex; align-items: end; gap: 20px; }
.score strong { font-size: 90px; line-height: .89; letter-spacing: -.03em; font-weight: 500; }
.score .stars { color: var(--lime); letter-spacing: 2px; font-size: 18px; }
.score p { color: var(--smoke); font-size: 14px; }
.island h2 { font-size: 28px; line-height: 1.14; letter-spacing: -.02em; max-width: 20ch; }
.island .link { color: var(--parchment); }
.wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; height: 760px; overflow: hidden; -webkit-mask-image: linear-gradient(transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(transparent, #000 12%, #000 88%, transparent); }
.col { min-width: 0; }
.col-track { animation: rise var(--dur, 90s) linear infinite; }
.col.down .col-track { animation-name: fall; }
@keyframes rise { from { transform: translateY(0); } to { transform: translateY(-50%); } }
@keyframes fall { from { transform: translateY(-50%); } to { transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .wall { overflow-y: auto; } .col-track { animation: none; } }
.review { border: 1px solid var(--graphite); border-radius: var(--r-inner); padding: 24px; margin-bottom: 16px; }
.review .stars { color: var(--lime); letter-spacing: 2px; font-size: 13px; }
.review p { margin: 12px 0 16px; line-height: 1.5; }
.review footer { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--smoke); }
.review footer b { font-weight: 500; color: var(--parchment); }

/* Ar-condicionado desenhado no topo: liga ao abrir (ar.js) e sopra vento sobre o bloco lima */
.hero-ac { position: relative; overflow: hidden; text-align: center; padding-top: 48px; }
.hero-ac > :not(.ac-scene) { position: relative; z-index: 2; }
.hero-ac h1 { margin-inline: auto; }
.hero-ac .hero-sub { flex-direction: column; align-items: center; margin-top: 32px; }
.hero-ac .hero-facts { justify-content: center; }
.ac-scene { --s: 0; --ach: clamp(84px, 10vw, 120px); position: relative; z-index: 1; max-width: 620px; margin: 0 auto 48px; height: var(--ach); }
.ac { position: relative; z-index: 2; height: 100%; border-radius: 24px 24px 40px 40px; background: var(--white); border: 1px solid var(--ink); }
.ac::before { content: ""; position: absolute; left: 4%; right: 4%; top: 24%; height: 1px; background: var(--ash); }
.ac-logo { position: absolute; left: 6%; top: 36%; height: 24%; width: 16%; color: var(--ink); }
.ac-led { position: absolute; right: 6%; top: 32%; padding: 4px 10px; border-radius: 8px; background: var(--charcoal); color: var(--lime); font-weight: 500; font-size: clamp(13px, 1.5vw, 17px); font-variant-numeric: tabular-nums; }
.ac-vent { position: absolute; left: 8%; right: 8%; bottom: 11%; height: 12%; border-radius: 3px 3px 10px 10px; background: var(--ink); perspective: 220px; }
.ac-flap { position: absolute; left: -1%; right: -1%; top: 0; height: 100%; border-radius: 3px 3px 10px 10px; background: var(--parchment); border: 1px solid var(--ink); transform-origin: 50% 0; transform: translateY(calc(var(--s) * 185%)) rotateX(calc(var(--s) * -50deg)); transition: transform 1.4s cubic-bezier(.3, .7, .2, 1); }
.ac-wind, .ac-frost { position: absolute; z-index: 3; top: calc(var(--ach) * .83); height: 540px; pointer-events: none; }
.ac-wind { left: 8%; width: 84%; overflow: visible; opacity: var(--s); transition: opacity 1.6s .5s; }
.ac-frost { left: 8%; width: 84%; }
.ac-wind path { stroke-dasharray: 190 440; opacity: .9; animation: sopro 2.8s linear infinite; }
.ac-wind path:nth-child(2n) { animation-duration: 3.4s; animation-delay: -1.3s; }
.ac-wind path:nth-child(3n) { animation-duration: 2.4s; animation-delay: -.7s; }
.ac-wind path:nth-child(5n) { animation-delay: -2.1s; }
@keyframes sopro { from { stroke-dashoffset: 630; } to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) { .ac-scene { --s: 1; } .ac-frost { display: none; } }

/* Chamada para empresas */
.biz { display: grid; grid-template-columns: 1fr 1fr; background: var(--parchment); border-radius: var(--r-card); overflow: hidden; }
.biz-text { padding: 56px; display: flex; flex-direction: column; gap: 20px; align-items: start; }
.biz h2 { font-size: 60px; line-height: 1; letter-spacing: -.03em; }
.biz p { color: var(--graphite); max-width: 40ch; }
.biz img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }

/* Empresas: lei, inclusos, etapas, dúvidas */
.rows { border-top: 1px solid var(--ash); }
.rows li { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--ash); }
.rows h3 { font-size: 22px; line-height: 1.18; }
.rows p { color: var(--graphite); max-width: 60ch; }
.note { margin-top: 32px; background: var(--lime); border-radius: var(--r-inner); padding: 24px 28px; max-width: 760px; }
.segs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.segs span { padding: 10px 18px; border-radius: var(--r-pill); background: var(--white); border: 1px solid var(--ash); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--parchment); border-radius: var(--r-card); padding: 36px; }
.parch .card { background: var(--white); }
.card h3 { font-size: 22px; line-height: 1.18; margin-bottom: 10px; }
.card p { color: var(--graphite); }
.card .eyebrow { display: block; margin-bottom: 40px; color: var(--graphite); }
.faq { border-top: 1px solid var(--ash); max-width: 880px; }
.faq details { border-bottom: 1px solid var(--ash); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 24px; padding: 24px 0; font-size: 22px; line-height: 1.18; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-weight: 400; }
.faq details[open] summary::after { content: '−'; }
.faq p { color: var(--graphite); padding: 0 0 24px; max-width: 64ch; }

/* Segmentos com foto (empresas) */
.segfotos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.segfotos figure { margin: 0; }
.segfotos img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: var(--r-card); }
.segfotos figcaption { margin-top: 14px; font-size: 22px; line-height: 1.18; font-weight: 500; }

/* CTA final e rodapé */
.closing { text-align: center; }
.closing h2 { font-size: 90px; line-height: .92; letter-spacing: -.03em; max-width: 12ch; margin: 0 auto 24px; }
.closing p { color: var(--graphite); margin: 0 auto 40px; max-width: 44ch; font-size: 18px; }
.foot { background: var(--ink); color: var(--parchment); padding: 72px 0 40px; }
.foot .logo svg { color: var(--lime); --logo-t: var(--white); width: 120px; height: 41px; }
.foot .logo small { color: var(--smoke); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.foot h4 { margin: 0 0 14px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; color: var(--stone); }
.foot li { margin-bottom: 8px; color: var(--ash); }
.foot a { text-decoration: none; transition: color .15s; }
.foot a:hover { color: var(--lime); }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--charcoal); font-size: 13px; color: var(--stone); }

/* Tablet */
@media (max-width: 1000px) {
  .hero h1, .closing h2 { font-size: 68px; }
  .sec-head h2, .biz h2 { font-size: 48px; }
  .calc { grid-template-columns: 1fr; }
  .works, .segfotos { grid-template-columns: repeat(2, 1fr); }
  .wall { grid-template-columns: 1fr 1fr; height: 700px; }
  .col:nth-child(3) { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
}
/* Celular */
@media (max-width: 680px) {
  :root { --gut: 16px; }
  .sec { padding: 72px 0; }
  .top .wrap { height: 64px; }
  .top .btn { padding: 0 16px; }
  .logo small { display: none; }
  .hero-block { padding: 40px 24px 28px; }
  .hero h1 { font-size: 42px; line-height: .98; }
  .wall { grid-template-columns: 1fr; height: 620px; }
  .col:nth-child(2) { display: none; }
  .hero-ac { padding-top: 32px; }
  .ac-scene { margin-bottom: 32px; }
  .hero-sub { margin-top: 32px; }
  .hero-sub p { font-size: 18px; }
  .hero-photo { aspect-ratio: 4 / 3; }
  .sec-head { display: block; margin-bottom: 32px; }
  .sec-head h2, .biz h2 { font-size: 36px; line-height: 1.04; }
  .sec-head p { margin-top: 14px; }
  .rail-nav { display: none; }
  .rail { grid-auto-columns: 84%; }
  .svc li, .rows li { grid-template-columns: 1fr; gap: 12px; }
  .calc-in, .calc-out { padding: 28px 20px; }
  .lista { padding: 20px; }
  .lista li { grid-template-columns: 1fr auto 32px; }
  .lista li span { display: none; }
  .steps2 { gap: 16px; }
  .facts, .grid3, .biz { grid-template-columns: 1fr; }
  .fact { min-height: 0; padding: 28px; }
  .fact strong { font-size: 48px; }
  .works { grid-auto-rows: 180px; gap: 8px; }
  .works img { border-radius: var(--r-inner); }
  .island { padding: 32px 20px; }
  .score strong { font-size: 64px; }
  .biz-text { padding: 32px 24px; }
  .biz img { min-height: 240px; }
  .closing h2 { font-size: 44px; line-height: 1; }
  .faq summary { font-size: 18px; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; }
}