:root {
  --paper: #eae8e3;
  --ink: #111;
  --blue: #1f4fe0;
  --blue-lt: #89b9c5;
  --line: #111;
  --mute: #5b5a56;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --bar: 52px;
}

* { box-sizing: border-box; margin: 0; padding: 0; border-radius: 0; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { background: var(--paper); color: var(--ink); font: 400 17px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; }
.mono { font: 400 12px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; }

/* grão mecânico */
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: .07;
  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'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.proposta {
  font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  border: 1px solid var(--ink); padding: 6px 8px; white-space: nowrap;
}

/* barra */
.bar {
  position: fixed; inset: 0 0 auto; height: var(--bar); z-index: 50;
  display: flex; align-items: center; gap: 28px; padding: 0 20px;
  background: var(--paper); border-bottom: 2px solid var(--ink);
}
.marca img { height: 26px; width: auto; }
.foot__logo { height: 44px; width: auto; }
.bar nav { display: flex; gap: 18px; margin-left: auto; }
.bar nav a { font: 600 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; }
.bar nav a:hover { color: var(--blue); }
.coord { font: 400 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mute); }
.cta {
  align-self: stretch; display: flex; align-items: center; margin-right: -20px; padding: 0 20px;
  background: var(--blue); color: #fff; text-decoration: none;
  font: 800 15px/1 var(--sans); font-stretch: 85%; text-transform: uppercase; white-space: nowrap;
}
.cta:hover { background: var(--ink); }

/* HERO */
.hero { height: 520vh; position: relative; }
.hero__sticky {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  padding: calc(var(--bar) + 14px) 14px 0;
  display: grid; grid-template-rows: 1fr auto;
}
.hero__frame { position: relative; overflow: hidden; border: 2px solid var(--ink); background: #1b1d20; }
.stack { position: absolute; inset: 0; transform-origin: 55% 60%; }
.layer { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.layer { will-change: transform, opacity; }
/* passagens com borda esbatida: --p vai de 0% a 130% */
.layer[data-i="2"], .layer[data-i="5"] {
  --p: 0%;
  -webkit-mask-image: linear-gradient(90deg, #000 calc(var(--p) - 30%), transparent var(--p));
          mask-image: linear-gradient(90deg, #000 calc(var(--p) - 30%), transparent var(--p));
}
.layer[data-i="3"] {
  --p: 0%;
  -webkit-mask-image: linear-gradient(0deg, #000 calc(var(--p) - 30%), transparent var(--p));
          mask-image: linear-gradient(0deg, #000 calc(var(--p) - 30%), transparent var(--p));
}
.layer[data-i="4"], .layer[data-i="6"] { opacity: 0; }



.hero__title {
  position: absolute; z-index: 5; left: clamp(20px, 4vw, 56px); bottom: clamp(20px, 4vw, 56px);
  color: #f2f1ec; display: grid; gap: 18px;
  text-shadow: 0 0 14px #1b1d20, 0 0 4px #1b1d20;
}
.hero__title h1 {
  font: 900 clamp(4rem, 13vw, 13.5rem)/.84 var(--sans); font-stretch: 72%;
  letter-spacing: -.04em; text-transform: uppercase;
}
.hero__title .mono:last-child { color: var(--blue); }

.cross { position: absolute; z-index: 6; color: var(--blue); font: 400 22px/1 var(--mono); }
.cross--tl { top: 6px; left: 10px; } .cross--tr { top: 6px; right: 10px; }
.cross--bl { bottom: 6px; left: 10px; } .cross--br { bottom: 6px; right: 10px; }

.hud {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px;
  padding: 12px 0 14px; border-bottom: 2px solid var(--ink);
}
.hud__n {
  font: 900 clamp(3rem, 6vw, 5.5rem)/.8 var(--sans); font-stretch: 70%; letter-spacing: -.04em;
  font-variant-numeric: tabular-nums; min-width: 2ch;
}
.hud__txt { display: grid; gap: 6px; max-width: 62ch; }
.hud__label { color: var(--blue); font-weight: 600; }
.hud__line { font-size: 16px; line-height: 1.35; }
.hud__ticks { display: flex; gap: 4px; list-style: none; }
.hud__ticks li { width: 28px; height: 10px; border: 1.5px solid var(--ink); }
.hud__ticks li.on { background: var(--ink); }
.hud__ticks li.now { background: var(--blue); border-color: var(--blue); }

/* secções */
.sec { scroll-margin-top: var(--bar); border-bottom: 2px solid var(--ink); padding: 0 20px 96px; }
.sec--ink { background: var(--ink); color: var(--paper); border-color: var(--paper); }
.sec__head {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 14px 0; margin-bottom: 64px; border-bottom: 1px solid currentColor;
}
.sec__head .mono:first-child { color: var(--blue); font-weight: 600; white-space: nowrap; }
.sec__head .mono:last-child { text-align: right; }

.intro { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: end; margin-bottom: 72px; }
.intro h2, .big {
  font: 900 clamp(2.6rem, 6.4vw, 6.5rem)/.9 var(--sans); font-stretch: 75%;
  letter-spacing: -.035em; text-transform: uppercase;
}
.intro p { max-width: 48ch; }

.nums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--ink); border: 2px solid var(--ink); }
.nums > div { background: var(--paper); padding: 20px 18px 24px; display: flex; flex-direction: column; justify-content: space-between; gap: 40px; }
.nums dd { font: 900 clamp(2.6rem, 5.4vw, 5.2rem)/.85 var(--sans); font-stretch: 70%; letter-spacing: -.04em; }
.nums small { font: 600 .35em/1 var(--mono); letter-spacing: .05em; margin-left: .3em; vertical-align: top; }

.proc { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--paper); border: 2px solid var(--paper); }
.proc li { background: var(--ink); padding: 22px 20px 40px; display: grid; gap: 14px; align-content: start; }
.proc .mono { color: var(--blue); }
.proc h3 { font: 900 clamp(2.2rem, 4.2vw, 4rem)/.9 var(--sans); font-stretch: 72%; letter-spacing: -.035em; text-transform: uppercase; }
.proc p { color: #bdbbb5; max-width: 34ch; }

.serv { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--ink); border: 2px solid var(--ink); }
.serv li { background: var(--paper); padding: 20px 20px 36px; display: grid; gap: 12px; align-content: start; min-height: 220px; }
.serv .mono { color: var(--blue); }
.serv h3 { font: 800 clamp(1.5rem, 2.2vw, 2rem)/1 var(--sans); font-stretch: 80%; letter-spacing: -.02em; text-transform: uppercase; }

.obras { width: 100%; border-collapse: collapse; }
.obras th { font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-align: left; padding: 10px 12px; border-bottom: 2px solid var(--ink); }
.obras td { padding: 16px 12px; border-bottom: 1px solid var(--ink); }
.obras td:first-child { font: 600 12px/1 var(--mono); color: var(--blue); width: 6ch; }
.obras td:nth-child(2) { font: 800 clamp(1.1rem, 1.8vw, 1.6rem)/1.1 var(--sans); font-stretch: 85%; text-transform: uppercase; letter-spacing: -.01em; }
.obras td:nth-child(3), .obras td:nth-child(4) { font: 400 12px/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; }

.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.addr { display: grid; gap: 20px; margin-top: 48px; }
.addr dt { color: var(--blue); margin-bottom: 4px; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--paper); border: 2px solid var(--paper); align-self: start; }
.form label { background: var(--ink); padding: 12px 14px; display: grid; gap: 8px; }
.form .full, .form button, .form__out { grid-column: 1 / -1; }
.form input, .form select, .form textarea {
  background: transparent; border: 0; border-bottom: 1px solid #555; color: var(--paper);
  font: 400 17px/1.4 var(--sans); padding: 4px 0; outline: none;
}
.form select option { color: var(--ink); }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--blue); }
.form button {
  background: var(--blue); color: #fff; border: 0; cursor: pointer; padding: 20px;
  font: 800 20px/1 var(--sans); font-stretch: 85%; text-transform: uppercase; letter-spacing: -.01em; text-align: left;
}
.form button:hover { background: var(--paper); color: var(--ink); }
.form__out { background: var(--ink); padding: 0 14px; min-height: 0; text-transform: none; letter-spacing: .02em; font-size: 13px; }
.form__out:not(:empty) { padding: 12px 14px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; padding: 20px 20px 64px; font-size: 15px; }
.foot .mono { color: var(--mute); }

/* telemóvel */
@media (max-width: 900px) {
  .coord, .proposta { display: none; }
  .bar { gap: 14px; }
  .bar nav { gap: 10px; }
  .cta { font-size: 13px; padding: 0 12px; }
  .bar nav a { font-size: 11px; }
  .intro, .contact { grid-template-columns: 1fr; gap: 32px; }
  .nums { grid-template-columns: 1fr 1fr; }
  .proc, .serv { grid-template-columns: 1fr; }
  .serv li { min-height: 0; }
  .hud { grid-template-columns: auto 1fr; gap: 14px; }
  .hud__ticks { display: none; }
  .hud__line { font-size: 14px; }
  .obras thead { display: none; }
  .obras tr { display: grid; grid-template-columns: 6ch 1fr; padding: 12px 0; border-bottom: 1px solid var(--ink); }
  .obras td { border: 0; padding: 2px 0; }
  .obras td:first-child { grid-row: span 3; }
  .form { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .bar nav { display: none; }
  .cta { margin-left: auto; }
  .hero__frame .stack { transform-origin: 50% 60%; }
}

/* sobre fundo escuro, o azul da marca */
.sec--ink, .hero__frame { --blue: var(--blue-lt); }
.form button { color: var(--ink); }
.form button:hover { background: var(--paper); }