/* Tiago Cappelletti Engenharia
   Layout: cinema 3D fixo ao fundo + folhas de papel branco que sobem por cima.
   Coluna editorial à esquerda, carimbo técnico à direita, régua de cotas na borda. */
:root {
  --night: #0a1320;
  --dusk: #1b2a44;
  --paper: #ffffff;
  --ink: #1c2127;
  --ink-soft: #59616b;
  --rule: #e2e4e8;
  --gold: #b48b4f;
  --gold-light: #e2bd7c;
  --gold-ink: #85622f;
  --blueprint: #0c2240;
  --on-dark: #f4efe6;
  --on-dark-soft: #c3cad4;
  --f-display: "Bodoni Moda", "Bodoni Moda 11pt", "Bodoni 72", Didot, "Libre Bodoni", Georgia, serif;
  --f-text: "Jost", Futura, "Century Gothic", "Avenir Next", "Segoe UI", sans-serif;
  --vh: 100vh;
  --gutter: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}
* { box-sizing: border-box; }
html { background: var(--night); }
body { margin: 0; background: var(--night); color: var(--on-dark); font: 400 16px/1.6 var(--f-text); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
html.hide-cursor, html.hide-cursor * { cursor: none !important; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------------------------------------------------------------- camadas fixas */
#scene, #lens { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
#scene { z-index: 0; background: #0a1320; }
#lens {
  z-index: 1; pointer-events: none; display: none;
  background-color: var(--blueprint);
  background-image:
    linear-gradient(rgba(150, 190, 240, .16) 1px, transparent 1px), linear-gradient(90deg, rgba(150, 190, 240, .16) 1px, transparent 1px),
    linear-gradient(rgba(150, 190, 240, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(150, 190, 240, .07) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  -webkit-mask-image: radial-gradient(circle var(--r, 0px) at var(--mx, 50%) var(--my, 50%), #000 calc(var(--r, 0px) - 1.5px), transparent var(--r, 0px));
  mask-image: radial-gradient(circle var(--r, 0px) at var(--mx, 50%) var(--my, 50%), #000 calc(var(--r, 0px) - 1.5px), transparent var(--r, 0px));
}
#lens.is-on { display: block; }
.scrim { position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(90deg, rgba(5, 9, 16, .62) 0%, rgba(5, 9, 16, .28) 34%, rgba(5, 9, 16, 0) 58%),
              linear-gradient(0deg, rgba(5, 9, 16, .45) 0%, rgba(5, 9, 16, 0) 26%); }
.grain { position: fixed; inset: -50%; z-index: 3; pointer-events: none; opacity: .06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ---------------------------------------------------------------- navegação */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: calc(14px + env(safe-area-inset-top, 0px)) var(--gutter-r) 14px var(--gutter); transition: background .35s, box-shadow .35s; }
.nav.on-paper { background: rgba(255, 255, 255, .94); backdrop-filter: blur(10px); box-shadow: 0 1px 0 var(--rule); }
.brand { display: block; line-height: 0; background: #fff; padding: 0; box-shadow: 0 8px 30px rgba(0, 0, 0, .25); }
.brand svg { height: 54px; width: auto; display: block; }
.nav-links { display: flex; gap: clamp(14px, 2.4vw, 34px); align-items: center; }
.nav-links a { text-decoration: none; font: 400 15px/1 var(--f-text); color: var(--on-dark); letter-spacing: .02em; padding: 8px 0; border-bottom: 1px solid transparent; transition: color .3s, border-color .3s; }
.nav-links a:hover { border-bottom-color: var(--gold-light); }
.nav.on-paper .nav-links a { color: var(--ink); }
.nav-links .nav-cta { border: 1px solid var(--gold-light); padding: 9px 16px; }
.nav.on-paper .nav-links .nav-cta { border-color: var(--gold); }

/* ---------------------------------------------------------------- capítulos */
.journey { position: relative; z-index: 4; pointer-events: none; }
.chapter { position: relative; height: var(--vh); display: flex; align-items: center; padding: 0 var(--gutter-r) 0 max(var(--gutter), 5.5vw); }
.chapter-card { max-width: 30rem; opacity: var(--o, 1); transform: translateY(var(--y, 0px)); will-change: opacity, transform; margin-top: 4vh; }
.chapter-card > * { pointer-events: auto; }
html.is-hovering .chapter-card { opacity: calc(var(--o, 1) * .15); transition: opacity .35s; }
.chapter h1 { margin: 0 0 18px; font: 400 clamp(3.1rem, 8.4vw, 7.6rem)/.92 var(--f-display); letter-spacing: -.025em; font-variation-settings: "opsz" 96; text-wrap: balance; text-shadow: 0 4px 40px rgba(0, 0, 0, .45); }
.chapter h1 span { display: block; font: 300 clamp(1rem, 1.6vw, 1.25rem)/1.4 var(--f-text); letter-spacing: .01em; margin-top: 22px; color: var(--on-dark); max-width: 26rem; }
.chapter h2 { margin: 0 0 16px; font: 400 clamp(2rem, 4.2vw, 3.6rem)/1 var(--f-display); letter-spacing: -.02em; font-variation-settings: "opsz" 72; text-wrap: balance; text-shadow: 0 4px 30px rgba(0, 0, 0, .5); }
.chapter p { margin: 0; color: var(--on-dark-soft); font-size: 1.05rem; max-width: 27rem; text-shadow: 0 1px 12px rgba(0, 0, 0, .6); }
.chapter .folha { display: inline-flex; gap: 10px; align-items: center; margin-bottom: 18px; color: var(--gold-light); font: 400 13px/1 var(--f-text); letter-spacing: .08em; }
.chapter .folha::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.chapter .scroll-cue { margin-top: 30px; display: inline-flex; align-items: center; gap: 12px; color: var(--on-dark); font-size: .95rem; }
.chapter .scroll-cue i { width: 1px; height: 46px; background: linear-gradient(var(--gold-light), transparent); position: relative; overflow: hidden; }
.chapter .scroll-cue i::after { content: ""; position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: #fff; animation: cue 2.2s ease-in-out infinite; }
@keyframes cue { to { top: 110%; } }
.chapter .btn-dark { display: inline-block; margin-top: 26px; padding: 13px 22px; border: 1px solid var(--gold-light); color: #fff; text-decoration: none; font-size: .95rem; background: rgba(8, 13, 22, .4); }
.chapter .btn-dark:hover { background: var(--gold); border-color: var(--gold); }

/* ---------------------------------------------------------------- HUD: régua, carimbo, dica */
.rail { position: fixed; right: max(22px, env(safe-area-inset-right, 0px)); top: 50%; transform: translateY(-50%); z-index: 8; display: flex; flex-direction: column; align-items: flex-end; gap: 0; transition: opacity .4s; }
.rail ol { list-style: none; margin: 0; padding: 0 0 0 0; border-right: 1px solid rgba(255, 255, 255, .35); }
.rail li { position: relative; display: flex; align-items: center; justify-content: flex-end; gap: 10px; height: 34px; padding-right: 0; cursor: pointer; color: var(--on-dark-soft); font: 400 12px/1 var(--f-text); letter-spacing: .04em; }
.rail li::after { content: ""; width: 10px; height: 1px; background: rgba(255, 255, 255, .5); transition: width .3s, background .3s; }
.rail li span { opacity: 0; transform: translateX(6px); transition: opacity .3s, transform .3s; white-space: nowrap; text-shadow: 0 1px 8px rgba(0, 0, 0, .8); }
.rail li:hover span, .rail li.is-active span { opacity: 1; transform: none; }
.rail li.is-active { color: #fff; }
.rail li.is-active::after { width: 22px; background: var(--gold-light); }
.rail-cota { margin-top: 14px; font: 400 11px/1.4 var(--f-text); color: var(--on-dark-soft); text-align: right; letter-spacing: .04em; }
.rail-cota b { display: block; font: 400 20px/1 var(--f-display); color: #fff; letter-spacing: 0; font-variant-numeric: tabular-nums; }

.carimbo { position: fixed; right: max(22px, env(safe-area-inset-right, 0px)); bottom: calc(22px + env(safe-area-inset-bottom, 0px)); z-index: 8; display: grid; grid-template-columns: auto auto; border: 1px solid rgba(226, 189, 124, .55);
  background: rgba(8, 13, 22, .5); backdrop-filter: blur(8px); font: 400 10.5px/1.25 var(--f-text); color: var(--on-dark-soft); letter-spacing: .06em; text-transform: uppercase; transition: opacity .4s; }
.carimbo > div { padding: 7px 12px; border-right: 1px solid rgba(226, 189, 124, .3); border-bottom: 1px solid rgba(226, 189, 124, .3); min-width: 0; }
.carimbo > div:nth-child(2n) { border-right: 0; }
.carimbo > div:nth-last-child(-n+2) { border-bottom: 0; }
.carimbo .wide { grid-column: 1 / -1; border-right: 0; color: #fff; }
.carimbo b { display: block; font: 400 13px/1.2 var(--f-text); text-transform: none; letter-spacing: .01em; color: #fff; margin-top: 2px; font-variant-numeric: tabular-nums; }

.hud { position: fixed; left: max(var(--gutter), 5.5vw); bottom: calc(26px + env(safe-area-inset-bottom, 0px)); z-index: 8; display: flex; align-items: center; gap: 18px; transition: opacity .4s; }
.hud p { margin: 0; font-size: .9rem; color: var(--on-dark-soft); max-width: 22rem; }
.lens-btn { display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px 10px 12px; background: rgba(8, 13, 22, .55); color: #fff; border: 1px solid rgba(255, 255, 255, .3); font: 400 14px/1 var(--f-text); cursor: pointer; backdrop-filter: blur(6px); }
.lens-btn svg { width: 22px; height: 22px; }
.lens-btn kbd { font: inherit; font-size: 12px; color: var(--on-dark-soft); border: 1px solid rgba(255, 255, 255, .25); padding: 2px 6px; }
.lens-btn[aria-pressed="true"] { background: var(--blueprint); border-color: #8fb8ea; }
html.journey-done .rail, html.journey-done .carimbo, html.journey-done .hud { opacity: 0; pointer-events: none; }

/* ---------------------------------------------------------------- cotas (linhas que saem dos objetos) */
#callouts { position: fixed; inset: 0; z-index: 6; pointer-events: none; transition: opacity .25s; }
#callouts.is-out { opacity: 0; }
#callout-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.co-line { fill: none; stroke: var(--gold-light); stroke-width: 1.2; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset .55s cubic-bezier(.2, .7, .2, 1); filter: drop-shadow(0 0 2px rgba(0, 0, 0, .7)); }
.co-g.is-in .co-line { stroke-dashoffset: 0; }
.co-ring { fill: none; stroke: var(--gold-light); stroke-width: 1; opacity: 0; transition: opacity .3s; }
.co-g.is-in .co-ring { opacity: .9; }
.co-dot { fill: #fff6e4; }
.co-item { position: absolute; left: 0; top: 0; max-width: 270px; padding: 7px 12px 8px; background: rgba(7, 12, 20, .72); backdrop-filter: blur(8px); border: 1px solid rgba(226, 189, 124, .4);
  color: var(--on-dark); font: 400 12.5px/1.35 var(--f-text); opacity: 0; transition: opacity .35s .18s; }
.co-item b { display: block; font-weight: 500; font-size: 13.5px; color: #fff; }
.co-item span { color: var(--on-dark-soft); }
.co-item.is-in { opacity: 1; }
.co-title { position: absolute; left: 0; top: 0; max-width: 340px; color: #fff; opacity: 0; transition: opacity .3s; text-shadow: 0 2px 14px rgba(0, 0, 0, .85); }
.co-title.is-in { opacity: 1; }
.co-kicker { display: block; font: 500 11px/1 var(--f-text); letter-spacing: .12em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 7px; }
.co-title strong { font: 400 25px/1.1 var(--f-display); font-weight: 400; }
.co-dims line { stroke: var(--gold-light); stroke-width: 1; }
.co-dims .co-ext { opacity: .55; }
.co-dimtext { fill: #fff; font: 500 12px var(--f-text); text-anchor: middle; dominant-baseline: middle; paint-order: stroke; stroke: rgba(7, 12, 20, .9); stroke-width: 3.5px; font-variant-numeric: tabular-nums; }

/* destaque do objeto: a foto escurece em volta e o objeto ganha cantoneiras douradas */
.hl { opacity: 0; transition: opacity .3s; }
.hl.is-on { opacity: 1; }
.hl-dim { fill: rgba(4, 8, 14, .34); }
.hl-box { fill: none; stroke: rgba(226, 189, 124, .55); stroke-width: 1; stroke-dasharray: 4 5; }
.hl-br { fill: none; stroke: var(--gold-light); stroke-width: 2; }
.bp-boxes rect { fill: rgba(242, 199, 125, .06); stroke: #f2c77d; stroke-width: 1.2; stroke-dasharray: 6 4; }
.bp-boxes text { fill: #f2c77d; font: 500 12px var(--f-text); }
/* foco: o detalhe acontece perto do mouse, o resto da cena recua */
#focus { position: fixed; inset: 0; z-index: 5; pointer-events: none; opacity: 0; transition: opacity .45s;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(4, 8, 14, 0) 0, rgba(4, 8, 14, 0) 190px, rgba(4, 8, 14, .38) 520px); }
#focus.is-on { opacity: 1; }

/* cursor técnico */
#cursor { position: fixed; left: 0; top: 0; z-index: 9; pointer-events: none; opacity: 0; transition: opacity .2s; }
#cursor.is-visible { opacity: 1; }
#cursor svg { position: absolute; left: -160px; top: -160px; width: 320px; height: 320px; overflow: visible; }
#cursor .ch { stroke: #fff; stroke-width: 1.2; filter: drop-shadow(0 0 2px rgba(0, 0, 0, .9)); }
#cursor .hring, #cursor #cursor-arc { fill: none; stroke: var(--gold-light); stroke-width: 1.2; opacity: 0; transition: opacity .2s, r .25s; }
#cursor #cursor-arc { stroke-width: 2.2; stroke-dasharray: 1; stroke-dashoffset: 1; }
#cursor.is-hover .hring, #cursor.is-hover #cursor-arc { opacity: 1; }
#cursor #cursor-lens { fill: none; stroke: #9cc4f4; stroke-width: 1.2; stroke-dasharray: 3 5; }
#cursor-coords { position: absolute; left: 16px; top: 16px; white-space: nowrap; font: 400 11px/1 var(--f-text); color: var(--on-dark-soft); letter-spacing: .03em; text-shadow: 0 1px 6px #000; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- carregador */
#loader { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; background: var(--night); transition: opacity .9s .2s, visibility 0s 1.1s; }
html.scene-ready #loader, html.no-webgl #loader { opacity: 0; visibility: hidden; }
#loader .mark { width: 120px; }
#loader .mark rect { stroke-dasharray: 1; stroke-dashoffset: 1; animation: drawsq 1.6s cubic-bezier(.6, 0, .2, 1) forwards; }
#loader p { margin: 18px 0 0; text-align: center; color: var(--on-dark-soft); font-size: .9rem; letter-spacing: .04em; }
@keyframes drawsq { to { stroke-dashoffset: 0; } }

html.no-webgl .scrim { background: linear-gradient(180deg, rgba(5, 9, 16, .3), rgba(5, 9, 16, .6)); }
html.no-webgl .hud, html.no-webgl .rail, html.no-webgl #cursor { display: none; }
html.no-webgl .chapter { --o: 1 !important; --y: 0px !important; }

/* ---------------------------------------------------------------- papel */
#paper { position: relative; z-index: 10; background: var(--paper); color: var(--ink); box-shadow: 0 -30px 80px rgba(0, 0, 0, .45); }
#paper::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--gold) 0 18%, transparent 18%); }
.sheet { padding-block: clamp(72px, 11vw, 140px); padding-left: var(--gutter); padding-right: var(--gutter-r); border-bottom: 1px solid var(--rule); }
.sheet-inner { max-width: 1240px; margin: 0 auto; }
.sheet-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 6vw, 72px); }
.sheet h2 { margin: 0; font: 400 clamp(2.6rem, 6vw, 5.2rem)/.95 var(--f-display); letter-spacing: -.03em; font-variation-settings: "opsz" 96; text-wrap: balance; }
.sheet-head p { margin: 0; color: var(--ink-soft); font-size: 1.08rem; max-width: 34rem; }
.sheet-ref { font: 400 13px/1 var(--f-text); color: var(--gold-ink); letter-spacing: .06em; margin-bottom: 18px; display: block; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.filters button { font: 400 14px/1 var(--f-text); padding: 10px 16px; background: transparent; border: 1px solid var(--rule); color: var(--ink); cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.filters button:hover { border-color: var(--ink); }

.projects { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 56px 32px; }
.project { min-width: 0; }
.project-media { position: relative; aspect-ratio: 440 / 310; max-width: 100%; border: 1px solid var(--rule); background:
  linear-gradient(var(--rule) 1px, transparent 1px) 0 0 / 22px 22px, linear-gradient(90deg, var(--rule) 1px, transparent 1px) 0 0 / 22px 22px; background-color: #fff; overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.project-tag { position: absolute; top: 12px; left: 12px; font: 500 11px/1 var(--f-text); letter-spacing: .06em; padding: 6px 8px; background: #fff; border: 1px solid var(--rule); color: var(--ink-soft); }
.drawing { width: 100%; height: 100%; display: block; background: rgba(255, 255, 255, .82); }
.drawing * { vector-effect: non-scaling-stroke; }
.dw-wall { fill: none; stroke: var(--ink); stroke-width: 4; }
.dw-wall-o { fill: #fff; stroke: var(--ink); stroke-width: 1.6; }
.dw-int, .dw-open, .dw-ground, .dw-roof { fill: none; stroke: var(--ink); stroke-width: 1.3; }
.dw-ground { stroke-width: 2; }
.dw-roof { stroke-width: 1.8; }
.dw-tile { stroke: var(--ink-soft); stroke-width: .7; }
.dw-band { fill: none; stroke: var(--gold); stroke-width: 1; }
.dw-door { fill: none; stroke: var(--ink-soft); stroke-width: .9; }
.dw-win { stroke: var(--ink); stroke-width: 1; }
.dw-furn { fill: none; stroke: var(--ink-soft); stroke-width: .9; }
.dw-tree { fill: none; stroke: #5d7350; stroke-width: 1; }
.dw-dim line { stroke: var(--gold); stroke-width: .9; }
.dw-dim text, .dw-note, .dw-north text, .dw-bubble text { font: 400 11px var(--f-text); fill: var(--gold-ink); text-anchor: middle; }
.dw-bubble text { dominant-baseline: central; fill: var(--ink); }
.dw-north circle, .dw-bubble circle { fill: #fff; stroke: var(--ink); stroke-width: .9; }
.dw-north path { fill: var(--ink); }
.dw-axis { stroke: var(--ink-soft); stroke-width: .7; stroke-dasharray: 10 3 2 3; }
.dw-beam { stroke: var(--ink); stroke-width: 2.2; }
.dw-col { fill: var(--ink); }
.project .drawing g, .project .drawing line, .project .drawing path, .project .drawing rect, .project .drawing circle, .project .drawing ellipse { transition: opacity .4s; }
.project:hover .dw-dim { opacity: 1; }
.project .dw-dim { opacity: .75; }
.project-body h3 { margin: 22px 0 6px; font: 400 1.75rem/1.1 var(--f-display); letter-spacing: -.01em; }
.project-meta { margin: 0 0 10px; color: var(--gold-ink); font-size: .92rem; }
.project-desc { margin: 0; color: var(--ink-soft); font-size: .98rem; }
.empty { color: var(--ink-soft); }

.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.service { border-top: 2px solid var(--ink); padding-top: 22px; min-width: 0; }
.service h3 { margin: 0 0 6px; font: 400 2rem/1.1 var(--f-display); }
.service .lead { margin: 0 0 18px; color: var(--ink-soft); }
.service ul { list-style: none; margin: 0; padding: 0; }
.service li { padding: 11px 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 22px 1fr; gap: 8px; }
.service li::before { content: ""; width: 12px; height: 1px; background: var(--gold); margin-top: .8em; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; position: relative; }
.steps li { position: relative; padding: 46px 22px 0 0; min-width: 0; }
.steps li::before { content: ""; position: absolute; left: 0; right: 0; top: 14px; height: 1px; background: var(--gold); }
.steps li::after { content: ""; position: absolute; left: 0; top: 6px; width: 1px; height: 17px; background: var(--gold); }
.steps li:last-child::before { right: 22px; }
.steps .n { font: 400 3.2rem/1 var(--f-display); color: var(--ink); display: block; margin-bottom: 14px; font-variant-numeric: lining-nums; }
.steps h3 { margin: 0 0 8px; font: 500 1.08rem/1.3 var(--f-text); }
.steps p { margin: 0; color: var(--ink-soft); font-size: .96rem; }

.contact { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: start; }
.contact-aside p { color: var(--ink-soft); margin: 0 0 18px; max-width: 28rem; }
.contact-aside .sig { margin-top: 36px; width: 240px; max-width: 100%; }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 28px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .88rem; color: var(--ink-soft); }
.field input, .field select, .field textarea { font: 400 1.05rem/1.4 var(--f-text); color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid #bfc4cb; padding: 8px 0 10px; border-radius: 0; width: 100%; }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--gold); box-shadow: 0 1px 0 var(--gold); }
.form-foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.btn { font: 500 1rem/1 var(--f-text); padding: 17px 28px; background: var(--ink); color: #fff; border: 0; cursor: pointer; }
.btn:hover { background: var(--gold-ink); }
.btn:disabled { opacity: .6; cursor: progress; }
#form-status { margin: 0; font-size: .95rem; color: var(--ink-soft); }
#form-status[data-kind="ok"] { color: #2e6b3f; }
#form-status[data-kind="error"] { color: #a33b2b; }
.hp { position: absolute; left: -9999px; }

.footer { padding-block: 56px calc(40px + env(safe-area-inset-bottom, 0px)); padding-left: var(--gutter); padding-right: var(--gutter-r); }
.footer-inner { max-width: 1240px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 28px 48px; align-items: center; justify-content: space-between; color: var(--ink-soft); font-size: .92rem; }
.footer svg { width: 230px; height: auto; display: block; }
.footer a { color: var(--ink); }
.admin-link { display: none; }
html.has-backend .admin-link { display: inline; }

/* ---------------------------------------------------------------- responsivo */
@media (max-width: 1000px) {
  .projects { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .services { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .steps li { padding: 0 0 26px 40px; }
  .steps li::before { left: 6px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .steps li::after { left: 0; top: 6px; width: 13px; height: 1px; }
  .steps .n { font-size: 2.4rem; }
  .contact { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .carimbo { display: none; }
}
@media (max-width: 760px) {
  .brand svg { height: 42px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .rail { display: none; }
  .sheet-head { grid-template-columns: minmax(0, 1fr); }
  .projects { grid-template-columns: minmax(0, 1fr); }
  .form { grid-template-columns: minmax(0, 1fr); }
  .chapter { align-items: flex-end; padding-bottom: 120px; }
  .chapter-card { margin-top: 0; }
  .hud { left: var(--gutter); right: var(--gutter-r); }
  .hud p, .lens-btn kbd { display: none; }
  .scrim { background: linear-gradient(0deg, rgba(5, 9, 16, .78) 0%, rgba(5, 9, 16, .35) 45%, rgba(5, 9, 16, 0) 70%); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}