/* =================================================================
   ARLOU ENGENHARIA — estilos do site
   Regras de design: ver DESIGN.md. Cores e fontes só via variáveis.
   ================================================================= */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@62..125,100..900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- 1. Tokens ---------- */
:root {
  --bg: #2A2E35;
  --surface: #31363E;
  --surface-alt: #353A43;
  --surface-hover: #3C424C;
  --border: #454B55;
  --border-hover: #5A616C;
  --line: #F2EFEA;
  --text: #F4F2EE;
  --text-secondary: #C3C6CB;
  --text-tertiary: #9AA0A9;
  --text-on-accent: #FFF8F5;
  --paper: #ECEAE5;
  --paper-line: #D6D3CC;
  --paper-ink: #2A2A2E;
  --accent: #8B0000;
  --accent-hover: #A3120F;
  --accent-deep: #6D0000;
  --accent-ink: #F2826F;
  --shade: #0B0C0F;

  --bg-rgb: 42, 46, 53;
  --line-rgb: 242, 239, 234;
  --paper-rgb: 236, 234, 229;
  --accent-rgb: 139, 0, 0;
  --accent-ink-rgb: 242, 130, 111;
  --shade-rgb: 11, 12, 15;

  --success: #3FA672;
  --error: #F06B5A;
  --warning: #E0A33A;

  --font-display: 'Archivo', 'Arial Narrow', system-ui, sans-serif;
  --font-body: 'Archivo', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;

  --gutter: clamp(20px, 4vw, 56px);
  --container: 1440px;
  --narrow: 760px;
  --section-y: clamp(96px, 14vh, 180px);
  --gap: clamp(16px, 2vw, 32px);

  --ease: cubic-bezier(.16, 1, .3, 1);
  --ease-m: cubic-bezier(.2, .8, .2, 1);
  --shadow-elevated: 0 30px 80px -20px rgba(var(--shade-rgb), .6);
  --glow-accent: radial-gradient(closest-side, rgba(var(--accent-ink-rgb), .18), transparent);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  margin: 0; background: var(--bg); color: var(--text-secondary);
  font: 400 1.0625rem/1.7 var(--font-body);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
img, svg, canvas, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
button { font: inherit; }
h1, h2, h3, h4, p, ul, ol, figure, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--accent); color: var(--text-on-accent); }
:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 3px; }
a, button, [role="button"], .card, .dwg-row, .tag { -webkit-tap-highlight-color: transparent; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: fixed; left: 1rem; top: -4rem; z-index: 100; padding: .75rem 1rem; background: var(--accent); color: var(--text-on-accent); font: 500 .8125rem var(--font-mono); }
.skip:focus { top: 1rem; }

/* ---------- 3. Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--narrow); }
.section { padding-block: var(--section-y); position: relative; }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); }
.blueprint {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(var(--line-rgb), .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--line-rgb), .035) 1px, transparent 1px),
    linear-gradient(rgba(var(--line-rgb), .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--line-rgb), .06) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
  background-position: -1px -1px;
}

/* ---------- 4. Tipografia ---------- */
.h1, .h2, .h3, .bignum { font-family: var(--font-display); color: var(--text); }
.h1 { font-size: clamp(3.5rem, 11vw, 11rem); font-weight: 800; font-stretch: 68%; line-height: .88; letter-spacing: -.02em; text-transform: uppercase; }
.h2 { font-size: clamp(2.5rem, 6vw, 5.5rem); font-weight: 750; font-stretch: 72%; line-height: .95; letter-spacing: -.015em; text-transform: uppercase; }
.h3 { font-size: clamp(1.5rem, 2.4vw, 2.25rem); font-weight: 650; font-stretch: 85%; line-height: 1.1; letter-spacing: -.005em; }
.lead { font-size: clamp(1.125rem, 1.5vw, 1.375rem); line-height: 1.55; color: var(--text-secondary); max-width: 62ch; }
.body p + p { margin-top: 1em; }
.body { max-width: 62ch; }
.label { font: 500 .75rem/1.4 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-tertiary); }
.label--accent { color: var(--accent-ink); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.bignum { font-size: clamp(4rem, 9vw, 8rem); font-weight: 800; font-stretch: 62%; line-height: .85; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.em { color: var(--accent-ink); }
.hatch {
  background-image: repeating-linear-gradient(-45deg, rgba(var(--accent-ink-rgb), .28) 0 1px, transparent 1px 7px);
  padding-inline: .08em;
}
.h1 .line, .h2 .line { padding-bottom: .04em; }

/* Cabeçalho de seção: [ 02 — PROJETOS ] + linha */
.sec-head { display: grid; gap: 1.5rem; margin-bottom: clamp(48px, 7vw, 96px); }
.sec-head__top { display: flex; align-items: center; gap: 1.25rem; }
.sec-head__top .rule { flex: 1; }
.rule { height: 1px; background: var(--border-hover); transform-origin: left; }
.sec-head__row { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); align-items: end; }
.sec-head__row .h2 { grid-column: 1 / span 8; }
.sec-head__row .sec-head__aside { grid-column: 9 / -1; }

/* ---------- 5. Botões ---------- */
.btn {
  --_bg: var(--accent);
  display: inline-flex; align-items: center; justify-content: center; gap: .75rem;
  min-height: 52px; padding: 0 1.75rem;
  font: 600 .8125rem/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
  color: var(--text-on-accent); background: var(--_bg);
  border: 1px solid var(--_bg); border-radius: 2px; cursor: pointer; position: relative;
  transition: background-color .3s ease, border-color .3s ease, color .3s ease, transform .3s var(--ease-m);
}
.btn .btn__arrow { transition: transform .35s var(--ease-m); flex: none; }
.btn:hover { --_bg: var(--accent-hover); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn:active { --_bg: var(--accent-deep); transform: translateY(1px) scale(.99); }
.btn:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 4px; }
.btn:disabled, .btn[aria-disabled="true"] { --_bg: var(--surface-hover); color: var(--text-tertiary); border-color: var(--border); cursor: not-allowed; transform: none; }
.btn--ghost { --_bg: transparent; color: var(--text); border-color: var(--border-hover); }
.btn--ghost:hover { --_bg: rgba(var(--line-rgb), .06); border-color: var(--text); }
.btn--ghost:active { --_bg: rgba(var(--line-rgb), .1); }
.btn--invert { --_bg: var(--text); color: var(--accent-deep); border-color: var(--text); }
.btn--invert:hover { --_bg: var(--text-on-accent); border-color: var(--text-on-accent); }
.btn--invert:active { --_bg: var(--paper); }
.btn--invert:focus-visible { outline-color: var(--text); }
.btn--lg { min-height: 64px; padding: 0 2.25rem; font-size: .875rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- 6. Links ---------- */
.link {
  color: var(--text); text-decoration: none;
  background: linear-gradient(var(--accent-ink), var(--accent-ink)) left bottom / 0% 1px no-repeat,
              linear-gradient(rgba(var(--line-rgb), .25), rgba(var(--line-rgb), .25)) left bottom / 100% 1px no-repeat;
  transition: background-size .45s var(--ease-m), color .3s ease;
}
.link:hover { background-size: 100% 1px, 100% 1px; color: var(--accent-ink); }
.link:active { color: var(--accent-hover); }

/* ---------- 7. Navegação ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: 76px;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 0 var(--gutter);
  color: var(--text); background: transparent; border-bottom: 1px solid transparent;
  transition: background-color .4s ease, border-color .4s ease, height .4s ease, transform .5s var(--ease-m);
}
.nav.is-scrolled { height: 64px; background: rgba(var(--bg-rgb), .78); border-bottom-color: var(--border); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.nav.is-hidden { transform: translateY(-100%); }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--text); min-height: 44px; }
.brand__mark {
  width: 26px; height: 31px; background: var(--accent-ink);
  -webkit-mask: url('../img/marca/simbolo-a.png') center / contain no-repeat; mask: url('../img/marca/simbolo-a.png') center / contain no-repeat;
  transition: background-color .3s ease, transform .5s var(--ease-m);
}
.brand:hover .brand__mark { background: var(--text); transform: rotate(-8deg); }
.brand__word { font: 800 1.375rem/1 var(--font-display); font-stretch: 75%; letter-spacing: .02em; }
.brand__word small { display: block; font: 500 .5625rem/1 var(--font-mono); letter-spacing: .32em; color: var(--text-tertiary); margin-top: .25rem; }
.nav__links { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.25rem); }
.nav__link { font: 500 .75rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-secondary); text-decoration: none; padding: .75rem .25rem; transition: color .25s ease; }
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--text); }
.nav__link[aria-current="page"]::before { content: "■ "; color: var(--accent-ink); }
.nav__right { display: flex; align-items: center; gap: 1rem; }
.lang { display: inline-flex; border: 1px solid var(--border-hover); border-radius: 999px; padding: 2px; }
.lang button { min-width: 44px; min-height: 40px; border: 0; border-radius: 999px; background: transparent; color: var(--text-tertiary); font: 500 .6875rem var(--font-mono); letter-spacing: .1em; cursor: pointer; transition: color .2s ease, background-color .2s ease; }
.lang button:hover { color: var(--text); }
.lang button[aria-pressed="true"] { background: var(--text); color: var(--bg); }
.nav .btn { min-height: 40px; padding: 0 1rem; font-size: .6875rem; }
.nav__burger { display: none; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--border-hover); background: transparent; color: var(--text); cursor: pointer; border-radius: 2px; }
.nav__burger span, .nav__burger span::before { display: block; width: 18px; height: 1.5px; background: currentColor; position: relative; transition: transform .4s var(--ease-m); }
.nav__burger span::before { content: ""; position: absolute; top: 6px; }
.nav__burger[aria-expanded="true"] span { transform: translateY(3px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span::before { transform: translateY(-6px) rotate(-90deg); }
.nav__burger:hover { border-color: var(--text); }

.menu {
  position: fixed; inset: 0; z-index: 45; padding: 96px var(--gutter) 32px; background: var(--bg);
  display: flex; flex-direction: column; justify-content: space-between;
  clip-path: inset(0 0 100% 0); transition: clip-path .7s var(--ease); visibility: hidden;
}
.menu.is-open { clip-path: inset(0 0 0 0); visibility: visible; }
.menu a.menu__link { display: flex; align-items: baseline; gap: 1rem; padding: .5rem 0; border-bottom: 1px solid var(--border); text-decoration: none; color: var(--text); font: 800 clamp(2.5rem, 12vw, 4rem)/1 var(--font-display); font-stretch: 68%; text-transform: uppercase; }
.menu a.menu__link span { font: 500 .75rem var(--font-mono); color: var(--accent-ink); }

/* ---------- 8. Prancha (moldura para renders de fundo branco) ---------- */
.sheet-frame { position: relative; background: var(--paper); overflow: hidden; isolation: isolate; }
.sheet-frame::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; mix-blend-mode: multiply;
  background-image: linear-gradient(var(--paper-line) 1px, transparent 1px), linear-gradient(90deg, var(--paper-line) 1px, transparent 1px);
  background-size: 32px 32px; opacity: .55;
}
.sheet-frame img { position: relative; z-index: 0; width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.sheet-frame__tag { position: absolute; z-index: 2; left: .75rem; bottom: .6rem; font: 500 .625rem var(--font-mono); letter-spacing: .12em; color: var(--paper-ink); opacity: .7; text-transform: uppercase; }
.sheet-frame__corner { position: absolute; z-index: 2; right: .6rem; top: .5rem; font: 500 .625rem var(--font-mono); color: var(--accent); }

/* ---------- 9. Hero ---------- */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 640px; overflow: hidden; }
.hero__glow { position: absolute; width: min(78vw, 1100px); aspect-ratio: 1; right: -6vw; top: 50%; translate: 0 -50%; background: var(--glow-accent); pointer-events: none; }
.hero__canvas, .hero__still { position: absolute; inset: 0 0 0 26%; width: 74%; height: 100%; }
.hero__still { display: none; inset: 16% var(--gutter) auto auto; width: min(54vw, 780px); height: auto; aspect-ratio: 960 / 500; box-shadow: var(--shadow-elevated); }
.hero__drawing { position: absolute; inset: 0 0 0 26%; width: 74%; height: 100%; pointer-events: none; color: rgba(var(--line-rgb), .22); }
.hero__drawing .accent { color: rgba(var(--accent-ink-rgb), .6); }
.hero__content { position: absolute; left: var(--gutter); right: var(--gutter); bottom: clamp(28px, 6vh, 64px); display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); align-items: end; pointer-events: none; }
.hero__content > * { pointer-events: auto; }
.hero__title { grid-column: 1 / span 9; }
.hero__title .hero__shine {
  color: transparent; -webkit-background-clip: text; background-clip: text;
  background-image: linear-gradient(100deg, var(--text) 40%, var(--paper) 48%, var(--accent-ink) 50%, var(--paper) 52%, var(--text) 60%);
  background-size: 250% 100%; background-position: 150% 0;
}
.hero__side { grid-column: 1 / span 6; display: grid; gap: 1.75rem; margin-top: 1.75rem; }
.hero__eyebrow { position: absolute; top: 108px; left: var(--gutter); display: flex; gap: 1rem; align-items: center; }
.hero__meta { position: absolute; right: var(--gutter); bottom: clamp(28px, 6vh, 64px); text-align: right; display: grid; gap: .5rem; justify-items: end; }
.hero__meta .meter { width: 180px; height: 1px; background: var(--border-hover); position: relative; overflow: hidden; }
.hero__meta .meter i { position: absolute; inset: 0; background: var(--accent-ink); transform-origin: left; transform: scaleX(0); }
.hero__pct { font: 500 .75rem var(--font-mono); color: var(--text); letter-spacing: .1em; }

/* Etiquetas da vista explodida */
.callouts { position: absolute; inset: 0; pointer-events: none; }
.callout { position: absolute; left: 0; top: 0; opacity: 0; will-change: transform, opacity; }
.callout__dot { position: absolute; width: 9px; height: 9px; left: -4.5px; top: -4.5px; border: 1.5px solid var(--accent-ink); border-radius: 50%; background: var(--bg); }
.callout__line { position: absolute; left: 4px; top: 0; width: var(--len, 72px); height: 1px; background: rgba(var(--accent-ink-rgb), .7); transform-origin: left; }
/* Etiqueta com plaquinha de fundo: legível mesmo sobre peças claras */
.callout__text {
  position: absolute; left: calc(var(--len, 72px) + 8px); top: -1.35em; white-space: nowrap;
  font: 500 .6875rem/1.5 var(--font-mono); letter-spacing: .1em; color: var(--text); text-transform: uppercase;
  padding: .4rem .6rem; background: rgba(var(--bg-rgb), .88); border-left: 2px solid var(--accent-ink);
  box-shadow: 0 8px 24px -10px rgba(var(--shade-rgb), .6);
}
.callout__text small { display: block; color: var(--text-tertiary); font-size: .625rem; }
.callout--left .callout__line { left: auto; right: 4px; transform-origin: right; }
.callout--left .callout__text { left: auto; right: calc(var(--len, 72px) + 8px); text-align: right; border-left: 0; border-right: 2px solid var(--accent-ink); }

/* ---------- 10. Faixa-manifesto ---------- */
.marquee { border-block: 1px solid var(--border); overflow: hidden; padding-block: clamp(14px, 2vw, 24px); background: var(--bg); position: relative; z-index: 2; }
.marquee__track { display: flex; width: max-content; will-change: transform; }
.marquee__item { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); padding-right: clamp(1rem, 2vw, 2rem); font: 800 clamp(2rem, 4.6vw, 4.25rem)/1 var(--font-display); font-stretch: 62%; text-transform: uppercase; white-space: nowrap; color: transparent; -webkit-text-stroke: 1px rgba(var(--line-rgb), .55); }
.marquee__item b { color: var(--text); -webkit-text-stroke: 0; font-weight: 800; }
.marquee__item i { width: .35em; height: .35em; background: var(--accent); flex: none; }

/* ---------- 11. Sobre + números ---------- */
.about .grid { align-items: start; }
.about__text { grid-column: 1 / span 6; }
.about__stats { grid-column: 8 / -1; display: grid; gap: 0; border-top: 1px solid var(--border); }
.stat { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 1rem; padding: 1.75rem 0; border-bottom: 1px solid var(--border); }
.stat .bignum sup { font-size: .4em; vertical-align: top; color: var(--accent-ink); margin-right: .05em; }
.stat .label { text-align: right; max-width: 18ch; }

/* ---------- 12. Lista de desenhos ---------- */
.dwg-list { border-top: 1px solid var(--border); }
.dwg-row {
  display: grid; grid-template-columns: 5.5rem 1fr auto 2.5rem; align-items: center; gap: 1.5rem;
  min-height: 84px; padding: .75rem .5rem; border-bottom: 1px solid var(--border);
  color: var(--text-secondary); text-decoration: none;
  transition: background-color .25s ease, color .25s ease, padding .4s var(--ease-m);
}
.dwg-row__num { font: 500 .8125rem var(--font-mono); color: var(--text-tertiary); transition: color .25s ease; }
.dwg-row__name { font: 700 clamp(1.5rem, 3.2vw, 2.75rem)/1 var(--font-display); font-stretch: 72%; text-transform: uppercase; color: var(--text); }
.dwg-row__cat { font: 400 .75rem var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.dwg-row__thumb { display: none; }
.dwg-row svg { color: var(--text-tertiary); transition: transform .4s var(--ease-m), color .25s ease; justify-self: end; }
.dwg-row:hover, .dwg-row:focus-visible { background: var(--surface); color: var(--text); padding-left: 1.5rem; }
.dwg-row:hover .dwg-row__num { color: var(--accent-ink); }
.dwg-row:hover svg { transform: rotate(-45deg); color: var(--accent-ink); }
.dwg-row:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: -2px; }
.dwg-row:active { background: var(--surface-hover); }
.dwg-foot { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 2.5rem; flex-wrap: wrap; }
.dwg-preview {
  position: fixed; top: 0; left: 0; width: 340px; aspect-ratio: 4 / 3; pointer-events: none; z-index: 40;
  border: 1px solid var(--border-hover); box-shadow: var(--shadow-elevated);
  opacity: 0; transform: translate3d(-50%, -50%, 0) scale(.9);
  transition: opacity .25s ease, transform .35s var(--ease-m);
}
.dwg-preview.is-on { opacity: 1; transform: translate3d(-50%, -50%, 0) scale(1); }

/* ---------- 13. Processo (pin esquerda / troca direita) ---------- */
.process { position: relative; height: 500vh; }
.process__pin { position: sticky; top: 0; height: 100vh; height: 100svh; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); align-items: center; }
.process__left { grid-column: 1 / span 5; display: grid; gap: 1.75rem; }
.process__steps { display: grid; gap: .25rem; margin-top: 1rem; }
.process__steps li { display: flex; gap: 1rem; align-items: center; font: 500 .75rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-tertiary); transition: color .3s ease; }
.process__steps li::before { content: ""; width: 24px; height: 1px; background: currentColor; transition: width .4s var(--ease-m); }
.process__steps li.is-active { color: var(--text); }
.process__steps li.is-active::before { width: 56px; background: var(--accent-ink); }
.process__num { font: 800 clamp(5rem, 12vw, 10rem)/.8 var(--font-display); font-stretch: 62%; color: transparent; -webkit-text-stroke: 1px var(--accent-ink); font-variant-numeric: tabular-nums; }
.process__text { min-height: 9.5em; }
.process__text .h3 { margin-bottom: 1rem; }
.process__right { grid-column: 7 / -1; position: relative; aspect-ratio: 4 / 3.4; }
.scene { position: absolute; inset: 0; opacity: 0; visibility: hidden; transform: scale(.97); transition: opacity .6s ease, transform .9s var(--ease), visibility 0s .6s; }
.scene.is-active { opacity: 1; visibility: visible; transform: none; transition: opacity .6s ease, transform .9s var(--ease), visibility 0s; }
.scene .sheet-frame { width: 100%; height: 100%; }
.scene--draw { border: 1px solid var(--border-hover); background: var(--surface); color: rgba(var(--line-rgb), .5); }
.scene--draw svg { width: 100%; height: 100%; }
.scene--draw .accent { color: var(--accent-ink); }
.scene--draw text { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; fill: currentColor; }

/* ---------- 14. Serviços (bento) ---------- */
.bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: minmax(220px, auto); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.svc { position: relative; padding: clamp(24px, 2.6vw, 40px); background: var(--bg); display: flex; flex-direction: column; justify-content: space-between; gap: 2rem; overflow: hidden; isolation: isolate; transition: background-color .3s ease; }
.svc::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; transition: opacity .3s ease; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(var(--line-rgb), .07), transparent 60%); }
.svc:hover { background: var(--surface); }
.svc:hover::after { opacity: 1; }
.svc__top { display: flex; justify-content: space-between; align-items: start; gap: 1rem; }
.svc__icon { width: 44px; height: 44px; color: var(--accent-ink); }
.svc p { color: var(--text-secondary); max-width: 46ch; }
.svc--1 { grid-column: span 7; grid-row: span 2; background: var(--surface); }
.svc--1 .h3 { font-size: clamp(2rem, 4vw, 3.75rem); font-weight: 750; font-stretch: 72%; text-transform: uppercase; line-height: .95; }
.svc--2, .svc--3 { grid-column: span 5; }
.svc--4, .svc--5, .svc--6, .svc--7 { grid-column: span 3; }
.svc--1 .sheet-frame { aspect-ratio: 16 / 9; margin-top: 1rem; }

/* ---------- 15. Por que Arlou ---------- */
.why { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap); }
.why__item { border-top: 1px solid var(--border-hover); padding-top: 1.75rem; display: grid; gap: 1rem; align-content: start; }
.why__item .label--accent { margin-bottom: .5rem; }
.checks { display: grid; gap: .5rem; margin-top: .5rem; }
.checks li { display: flex; gap: .75rem; align-items: baseline; font: 400 .875rem var(--font-mono); color: var(--text); }
.checks li::before { content: "✓"; color: var(--accent-ink); }

/* ---------- 16. Contato (bordô) ---------- */
.contact { position: relative; background: var(--accent); color: var(--text-on-accent); overflow: hidden; padding-block: clamp(120px, 18vh, 220px); }
.contact::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(var(--line-rgb), .07) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--line-rgb), .07) 1px, transparent 1px);
  background-size: 120px 120px;
}
.contact__sheets { position: relative; height: clamp(220px, 30vw, 360px); margin-bottom: clamp(32px, 5vw, 64px); }
.sheet { position: absolute; left: 50%; top: 50%; width: clamp(180px, 22vw, 300px); aspect-ratio: 4 / 3; margin: calc(clamp(180px, 22vw, 300px) * -.375) 0 0 calc(clamp(180px, 22vw, 300px) * -.5); box-shadow: var(--shadow-elevated); }
.sheet:nth-child(1) { rotate: -7deg; translate: -38% 6%; }
.sheet:nth-child(2) { rotate: 5deg; translate: 36% -4%; }
.sheet:nth-child(3) { rotate: -2deg; translate: -10% -10%; }
.sheet:nth-child(4) { rotate: 9deg; translate: 14% 10%; }
.sheet:nth-child(5) { rotate: -1deg; }
.contact .h2 { color: var(--text-on-accent); font-size: clamp(3rem, 9vw, 9rem); text-align: center; }
.contact__lead { text-align: center; margin: 1.5rem auto 2.5rem; color: rgba(var(--paper-rgb), .85); max-width: 52ch; }
.contact .btn-row { justify-content: center; }
.contact .btn--ghost { color: var(--text-on-accent); border-color: rgba(var(--paper-rgb), .45); }
.contact .btn--ghost:hover { border-color: var(--text-on-accent); background: rgba(var(--line-rgb), .08); }
.contact .btn--ghost:focus-visible { outline-color: var(--text-on-accent); }
.contact__info { display: flex; justify-content: center; flex-wrap: wrap; gap: .5rem 2.5rem; margin-top: 3rem; font: 500 .8125rem var(--font-mono); letter-spacing: .06em; }
.contact__info a { color: var(--text-on-accent); text-decoration: none; padding: .5rem 0; border-bottom: 1px solid rgba(var(--paper-rgb), .35); transition: border-color .25s ease; }
.contact__info a:hover { border-color: var(--text-on-accent); }
.contact__info a:focus-visible { outline-color: var(--text-on-accent); }

/* ---------- 17. Rodapé-carimbo ---------- */
.footer { padding-block: 64px 88px; border-top: 1px solid var(--border); }
.footer__top { display: flex; justify-content: space-between; align-items: end; gap: 2rem; flex-wrap: wrap; margin-bottom: 40px; }
.footer__nav { display: flex; flex-wrap: wrap; gap: .25rem 1.75rem; }
.stamp { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border-hover); font: 400 .75rem var(--font-mono); margin: 0; }
.stamp > div { padding: .75rem 1rem; border-right: 1px solid var(--border-hover); }
.stamp > div:last-child { border-right: 0; }
.stamp dt { color: var(--text-tertiary); letter-spacing: .1em; text-transform: uppercase; }
.stamp dd { margin: .25rem 0 0; color: var(--text); }
.footer__credits { margin-top: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font: 400 .6875rem var(--font-mono); color: var(--text-tertiary); }
.footer__credits a { color: var(--text-secondary); }

/* ---------- 18. Páginas internas ---------- */
.page-head { padding-top: clamp(140px, 22vh, 220px); padding-bottom: clamp(48px, 7vw, 96px); border-bottom: 1px solid var(--border); }
.page-head .h1 { font-size: clamp(3.25rem, 9vw, 8.5rem); }
.page-head__row { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); align-items: end; margin-top: 1.5rem; }
.page-head__row .h1 { grid-column: 1 / span 8; }
.page-head__row .lead { grid-column: 9 / -1; font-size: 1.0625rem; }

/* Catálogo */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2.5rem; }
.tag { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: 0 1rem; font: 500 .75rem var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--text-secondary); background: transparent; border: 1px solid var(--border); border-radius: 999px; cursor: pointer; transition: color .25s ease, border-color .25s ease, background-color .25s ease; }
.tag:hover { color: var(--text); border-color: var(--border-hover); }
.tag[aria-pressed="true"] { color: var(--text-on-accent); background: var(--accent); border-color: var(--accent); }
.tag:active { background: rgba(var(--line-rgb), .08); }
.tag:disabled { opacity: .4; cursor: not-allowed; }
.tag sup { font-size: .625rem; opacity: .7; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: var(--gap); }
.card { position: relative; display: grid; grid-template-rows: auto 1fr; gap: 1.25rem; padding: 1rem 1rem 1.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: 2px; color: inherit; text-decoration: none; isolation: isolate; transition: border-color .3s ease, background-color .3s ease; }
.card::before {
  content: ""; position: absolute; inset: -1px; pointer-events: none; z-index: 2;
  background: linear-gradient(var(--accent-ink), var(--accent-ink)) top left / 14px 1px, linear-gradient(var(--accent-ink), var(--accent-ink)) top left / 1px 14px, linear-gradient(var(--accent-ink), var(--accent-ink)) bottom right / 14px 1px, linear-gradient(var(--accent-ink), var(--accent-ink)) bottom right / 1px 14px;
  background-repeat: no-repeat; opacity: 0; transition: opacity .3s ease;
}
.card::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(var(--line-rgb), .07), transparent 60%); transition: opacity .3s ease; }
.card__media { aspect-ratio: 4 / 3; }
.card__media img { transition: transform .8s var(--ease-m); }
.card__body { display: grid; gap: .6rem; align-content: start; padding-inline: .25rem; }
.card__code { font: 500 .75rem var(--font-mono); color: var(--text-tertiary); letter-spacing: .1em; display: flex; justify-content: space-between; gap: 1rem; text-transform: uppercase; }
.card__title { font: 650 1.625rem/1.05 var(--font-display); font-stretch: 78%; color: var(--text); text-transform: uppercase; }
.card__text { font-size: .9375rem; line-height: 1.6; }
.card:hover { border-color: var(--border-hover); background: var(--surface-hover); }
.card:hover::before, .card:hover::after, .card:focus-visible::before { opacity: 1; }
.card:hover .card__media img { transform: scale(1.04); }
.card:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 3px; }
.card:active { background: var(--surface-alt); }
.card.is-hidden { display: none; }
.empty { padding: 3rem 0; font: 500 .875rem var(--font-mono); color: var(--text-tertiary); }

/* Página de projeto */
.proj { padding-top: clamp(120px, 18vh, 180px); }
.crumbs { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: 2rem; }
.crumbs a { color: var(--text-tertiary); text-decoration: none; padding: .5rem 0; }
.crumbs a:hover { color: var(--text); }
.proj__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); align-items: start; }
.proj__media { grid-column: 1 / span 7; position: sticky; top: 96px; }
.proj__media .sheet-frame { aspect-ratio: 4 / 3; }
.proj__info { grid-column: 9 / -1; display: grid; gap: 2rem; }
.proj__info .h1 { font-size: clamp(2.75rem, 5.5vw, 5.5rem); }
.specs { width: 100%; border-collapse: collapse; font: 400 .875rem/1.5 var(--font-mono); font-variant-numeric: tabular-nums; }
.specs th, .specs td { padding: .9rem 0; border-bottom: 1px dashed var(--border-hover); text-align: left; vertical-align: top; }
.specs th { color: var(--text-tertiary); font-weight: 400; letter-spacing: .08em; text-transform: uppercase; width: 45%; padding-right: 1rem; }
.specs td { color: var(--text); }
.specs tr:hover td { color: var(--accent-ink); }
.consult { border: 1px dashed var(--border-hover); padding: 1.25rem; display: grid; gap: .5rem; }
.deliver { display: grid; gap: .75rem; }
.deliver li { display: grid; grid-template-columns: 2.5rem 1fr; gap: .5rem; padding: .9rem 0; border-bottom: 1px solid var(--border); color: var(--text); font-size: .9375rem; }
.deliver li span { font: 500 .75rem var(--font-mono); color: var(--accent-ink); padding-top: .2rem; }
.proj__cta { display: grid; gap: .75rem; }
.proj__cta .btn { width: 100%; }
.related { margin-top: var(--section-y); }

/* Sobre */
.about-page .grid > * { min-width: 0; }
.values { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.values > div { background: var(--bg); padding: clamp(24px, 3vw, 48px); display: grid; gap: 1rem; align-content: start; }
.mission { padding-block: var(--section-y); text-align: center; border-top: 1px solid var(--border); }
.mission .h2 { max-width: 18ch; margin: 1.5rem auto 2rem; }

/* Contato (página) */
.contact-page .grid { align-items: start; }
.contact-page__info { grid-column: 1 / span 5; display: grid; gap: 0; border-top: 1px solid var(--border); }
.contact-page__info a, .contact-page__info div { display: grid; gap: .25rem; padding: 1.5rem 0; border-bottom: 1px solid var(--border); text-decoration: none; color: var(--text); transition: padding .4s var(--ease-m), color .25s ease; }
.contact-page__info a:hover { padding-left: 1rem; color: var(--accent-ink); }
.contact-page__info strong { font: 650 clamp(1.25rem, 2vw, 1.75rem)/1.2 var(--font-display); font-stretch: 85%; }
.form { grid-column: 7 / -1; display: grid; gap: 1.25rem; background: var(--surface); border: 1px solid var(--border); padding: clamp(24px, 3vw, 44px); }
.field { display: grid; gap: .5rem; }
.field label { font: 500 .75rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-tertiary); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 52px; padding: .85rem 1rem; background: var(--bg); color: var(--text);
  border: 1px solid var(--border-hover); border-radius: 2px; font: 400 1rem/1.5 var(--font-body);
  transition: border-color .25s ease, background-color .25s ease;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--text-tertiary); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent-ink); background: var(--surface-alt); }
.field input:disabled { opacity: .5; cursor: not-allowed; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-tertiary) 50%), linear-gradient(135deg, var(--text-tertiary) 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.form__note { font: 400 .75rem var(--font-mono); color: var(--text-tertiary); }

/* ---------- 19. Efeitos globais ---------- */
.cad-readout { position: fixed; left: var(--gutter); bottom: 18px; z-index: 30; display: flex; gap: 1rem; padding: .4rem .75rem; font: 500 .6875rem/1 var(--font-mono); letter-spacing: .08em; color: var(--text-tertiary); background: rgba(var(--bg-rgb), .7); border: 1px solid var(--border); pointer-events: none; font-variant-numeric: tabular-nums; transition: color .3s ease, border-color .3s ease, opacity .4s ease; }
.cad-readout b { color: var(--text-secondary); font-weight: 500; }
.cad-readout.is-snap { color: var(--accent-ink); border-color: rgba(var(--accent-ink-rgb), .5); }
.cad-readout.is-snap b { color: var(--accent-ink); }
.cad-readout.is-off { opacity: 0; }

.curtain { position: fixed; inset: 0; z-index: 90; background: var(--accent); display: grid; place-items: center; pointer-events: none; transform: translateY(100%); }
.curtain__label { font: 500 .8125rem var(--font-mono); letter-spacing: .14em; color: var(--text-on-accent); text-transform: uppercase; }
.curtain.is-cover { transform: none; transition: transform .6s var(--ease); pointer-events: auto; }
.curtain.is-leave { transform: translateY(-100%); transition: transform .8s var(--ease); }

/* Revelações (só com JS e sem redução de movimento) */
.js:not(.is-reduced) [data-reveal] { opacity: 0; transform: translateY(32px); }
.js:not(.is-reduced) [data-reveal].is-in { opacity: 1; transform: none; transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: calc(var(--i, 0) * 80ms); }
.js:not(.is-reduced) .rule { transform: scaleX(0); }
.js:not(.is-reduced) .rule.is-in { transform: scaleX(1); transition: transform 1.4s var(--ease); }
.draw path, .draw line, .draw circle, .draw polyline, .draw rect { vector-effect: non-scaling-stroke; }

/* ---------- 20. Responsivo ---------- */
@media (max-width: 1024px) {
  .grid, .sec-head__row, .hero__content, .process__pin, .proj__grid, .page-head__row { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .sec-head__row .h2, .sec-head__row .sec-head__aside, .page-head__row .h1, .page-head__row .lead { grid-column: 1 / -1; }
  .nav__links { display: none; }
  .nav__burger { display: inline-flex; }
  .nav__right .btn { display: none; }
  .hero__title { grid-column: 1 / -1; }
  .hero__side { grid-column: 1 / span 6; }
  .about__text, .about__stats { grid-column: 1 / -1; }
  .dwg-row { grid-template-columns: 3.5rem 1fr 2rem; }
  .dwg-row__cat { display: none; }
  .dwg-preview { display: none; }
  .process { height: auto; }
  .process__pin { position: relative; height: auto; display: block; }
  .process__left { margin-bottom: 2rem; }
  .process__right, .process__num, .process__steps { display: none; }
  .process__text { min-height: 0; }
  .process__mobile { display: grid !important; }
  .svc--1 { grid-column: span 12; grid-row: auto; }
  .svc--2, .svc--3 { grid-column: span 6; }
  .svc--4, .svc--5, .svc--6, .svc--7 { grid-column: span 6; }
  .why { grid-template-columns: 1fr; }
  .proj__media, .proj__info { grid-column: 1 / -1; position: static; }
  .contact-page__info, .form { grid-column: 1 / -1; }
}
.process__mobile { display: none; gap: 2.5rem; }
.process__mobile li { display: grid; gap: 1rem; border-top: 1px solid var(--border-hover); padding-top: 1.5rem; }
.process__mobile .sheet-frame, .process__mobile .scene--draw { aspect-ratio: 4 / 3; }

@media (max-width: 640px) {
  :root { --section-y: 80px; }
  .grid, .sec-head__row, .hero__content, .proj__grid, .page-head__row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .nav, .nav.is-scrolled { height: 64px; }
  .brand__word small { display: none; }
  .hero { height: auto; min-height: 100svh; display: flex; flex-direction: column; }
  .hero__canvas, .hero__still, .hero__drawing { inset: 64px 0 auto 0; width: 100%; height: 52svh; }
  .hero__glow { right: -30vw; top: 32%; width: 130vw; }
  .hero__eyebrow { top: 80px; }
  .hero__content { position: relative; left: auto; right: auto; bottom: auto; margin-top: auto; padding: 50svh var(--gutter) 32px; }
  .hero__side { grid-column: 1 / -1; }
  .hero__meta { display: none; }
  .callout { --len: 28px !important; }
  .callout__text { font-size: .5625rem; padding: .3rem .45rem; }
  .dwg-row { min-height: 72px; gap: 1rem; grid-template-columns: 4.5rem 1fr 1.5rem; }
  .dwg-row__num { display: none; }
  .dwg-row__thumb { display: block; width: 4.5rem; aspect-ratio: 4 / 3; }
  .bento { grid-template-columns: 1fr; }
  .svc--1, .svc--2, .svc--3, .svc--4, .svc--5, .svc--6, .svc--7 { grid-column: 1 / -1; }
  .stamp { grid-template-columns: 1fr 1fr; }
  .stamp > div:nth-child(2) { border-right: 0; }
  .stamp > div:nth-child(-n+2) { border-bottom: 1px solid var(--border-hover); }
  .specs th, .specs td { display: block; width: 100%; padding: .2rem 0; border: 0; }
  .specs tr { display: block; padding: .7rem 0; border-bottom: 1px dashed var(--border-hover); }
  .values { grid-template-columns: 1fr; }
  .cad-readout { display: none; }
  .btn-row .btn { flex: 1 1 100%; }
  .stat .label { max-width: 14ch; }
}
@media (hover: none) { .cad-readout, .dwg-preview { display: none; } }

/* ---------- 21. Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  [data-reveal], .rule { opacity: 1 !important; transform: none !important; }
  .marquee__track { transform: none !important; }
  .hero__canvas, .callouts { display: none; }
  .hero__still { display: block; }
  .dwg-preview, .cad-readout { display: none; }
  .curtain { display: none; }
}
.is-reduced .hero__canvas, .is-reduced .callouts, .no-webgl .hero__canvas, .no-webgl .callouts { display: none; }
.is-reduced .hero__still, .no-webgl .hero__still { display: block; }

/* Entrada do hero (não depende de rolagem) */
@keyframes heroIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.js:not(.is-reduced) .hero-in { animation: heroIn 1.2s var(--ease) both; animation-delay: calc(1s + var(--i, 0) * .12s); }
.footer__nav a { padding-block: .7rem; }
@media (max-width: 640px) { .lang button { min-height: 44px; } }

/* ---------- Também projetamos (+100 tipos) ---------- */
.caps { display: flex; flex-wrap: wrap; align-items: baseline; gap: .35em 0; border-top: 1px solid var(--border); padding-top: clamp(24px, 3vw, 40px); }
.caps li {
  display: inline-flex; align-items: baseline; gap: .35rem; padding-right: .55em;
  font: 750 clamp(1.75rem, 3.6vw, 3.25rem)/1.1 var(--font-display); font-stretch: 72%; text-transform: uppercase;
  color: var(--text); transition: color .3s ease;
}
.caps li::after { content: "/"; margin-left: .55em; font-weight: 300; color: var(--border-hover); }
.caps li:last-child::after { content: none; }
.caps li sup { font: 500 .6875rem var(--font-mono); letter-spacing: .08em; color: var(--text-tertiary); align-self: flex-start; margin-top: .4em; transition: color .3s ease; }
.caps li:hover { color: var(--accent-ink); }
.caps li:hover sup { color: var(--accent-ink); }
.caps .caps__special { color: var(--accent-ink); }
.caps .caps__special span { background-image: repeating-linear-gradient(-45deg, rgba(var(--accent-ink-rgb), .28) 0 1px, transparent 1px 7px); padding-inline: .1em; }
.caps__cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-top: clamp(32px, 4vw, 56px); padding-top: 1.5rem; border-top: 1px solid var(--border); }
@media (max-width: 640px) { .caps { gap: 0; } .caps li { width: 100%; font-size: 1.5rem; padding: .55rem 0; border-bottom: 1px solid var(--border); } .caps li::after { content: none; } .caps__cta .btn { width: 100%; } }

/* Bento com 8 serviços: grande + 2 à direita, depois 3 + 2 */
.svc--nr { grid-column: span 5; }
.svc--nr .svc__icon { color: var(--accent-ink); }
.svc--3, .svc--4, .svc--5 { grid-column: span 4; }
.svc--6, .svc--7 { grid-column: span 6; }
@media (max-width: 1024px) { .svc--nr, .svc--3, .svc--4, .svc--5, .svc--6, .svc--7 { grid-column: span 6; } }
@media (max-width: 640px) { .svc--nr, .svc--3, .svc--4, .svc--5, .svc--6, .svc--7 { grid-column: 1 / -1; } }