/* Artigiani ed edili template. Hero: the folding ruler (metro snodato). Body: the construction-site sign (cartello di cantiere). */
:root {
  color-scheme: light dark;
  /* colour: --field and --field-ink are set per business by render() */
  --field: #f2b300;
  --field-ink: #141414;
  --paper: light-dark(#fbfaf5, #18191b);
  --ink: light-dark(#141414, #f1efe8);
  --concrete: light-dark(#d9d6ce, #0e0f10);
  --hero-bg: light-dark(#f3f1ea, #0b0b0b);
  --rule: 4px;
  /* type */
  --disp: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --text: 'Barlow', 'Helvetica Neue', Arial, sans-serif;
  --hero-font: 'Hanken Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --body: 18px;
  /* space */
  --gutter: clamp(16px, 3vw, 40px);
  --sec-pad: clamp(72px, 8vw, 128px);
  /* ruler ticks: a long one every --tick5, a short one every --tick */
  --tick: 10px;
  --tick5: 50px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 var(--body)/1.5 var(--text); color: var(--ink); background: var(--concrete); -webkit-font-smoothing: antialiased; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
figure { margin: 0; }
a { color: inherit; text-underline-offset: 0.2em; }
h1, h2, h3, p, dl, dd { margin: 0; }
:focus-visible { outline: 3px solid currentColor; outline-offset: 3px; }
[hidden] { display: none !important; }
::selection { background: var(--field); color: var(--field-ink); }

/* ================= hero: metro snodato ================= */
/* the motif: a folding-ruler face in the logo colour with centimetre ticks on its edges */
.ruler, .seg::before {
  background-color: var(--field); color: var(--field-ink);
  background-image: linear-gradient(90deg, var(--field-ink) 2px, transparent 0), linear-gradient(90deg, var(--field-ink) 1px, transparent 0), linear-gradient(90deg, var(--field-ink) 2px, transparent 0), linear-gradient(90deg, var(--field-ink) 1px, transparent 0);
  background-size: var(--tick5) var(--th5, 34%), var(--tick) var(--th1, 18%), var(--tick5) var(--th5, 34%), var(--tick) var(--th1, 18%);
  background-position: 0 0, 0 0, 0 100%, 0 100%;
  background-repeat: repeat-x;
}
.btn-ruler, .seg::before { background-size: var(--tick5) var(--th5, 34%), var(--tick) var(--th1, 18%), 0 0, 0 0; }

.hero { min-height: 100svh; display: flex; flex-direction: column; padding: 16px var(--gutter) clamp(48px, 7vw, 110px); overflow: hidden; background: var(--hero-bg); color: var(--ink); font-family: var(--hero-font); }
.top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0 24px; }
.top-name { font-size: 20px; font-weight: 500; }
.top-nav { display: flex; flex-wrap: wrap; gap: 0 24px; font-size: 16px; }
.top-nav a { min-height: 44px; display: inline-flex; align-items: center; text-decoration: none; }
.top-nav a:hover { text-decoration: underline; }
.top-nav a:active { opacity: 0.6; }
.hero-grid { flex: 1; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 48px; align-items: end; padding: 40px 0 56px; }
.h1 { font-size: clamp(44px, 6vw, 104px); font-weight: 500; line-height: 0.92; letter-spacing: -0.05em; text-wrap: balance; overflow-wrap: anywhere; }
.lead { font-size: 20px; line-height: 1.45; max-width: 44ch; margin: 24px 0 32px; }
.btn-ruler { display: inline-flex; align-items: center; min-height: 56px; padding: 18px 32px 14px; border-radius: 6px; font-weight: 500; text-decoration: none; transition: background-position 0.4s ease; }
.btn-ruler:hover { background-position: 20px 0, 20px 0, 0 0, 0 0; }
.btn-ruler:active { transform: translateY(1px); }
.btn-ruler:focus-visible { outline-color: var(--ink); }
.seg { position: relative; overflow: hidden; border-radius: 10px; }
.seg::before { content: ''; position: absolute; z-index: 1; left: 0; right: 0; top: 0; height: 14px; --tick: 8px; --tick5: 40px; --th5: 60%; --th1: 35%; }
.seg::after { content: ''; position: absolute; z-index: 1; width: 16px; height: 16px; border-radius: 50%; left: 16px; top: 28px; background: var(--hero-bg); box-shadow: 0 0 0 4px var(--field); }
.hero-photo { height: min(62svh, 640px); }
.promo { position: relative; margin: 0 calc(-1 * var(--gutter) - 8vw); height: clamp(88px, 10vw, 150px); transform: rotate(-4deg); display: flex; --tick: 12px; --tick5: 60px; --th5: 30%; --th1: 15%; }
.promo::after { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 calc(32vw - 4px), color-mix(in srgb, var(--field-ink) 55%, var(--field)) 0 32vw); pointer-events: none; }
.promo a, .promo > span { flex: 1; display: flex; justify-content: space-around; align-items: center; gap: 6vw; padding: 0 8vw; font-size: min(clamp(26px, 4.2vw, 70px), 150vw / var(--len, 32)); /* --len: characters printed on the ruler, so long names still fit */ font-weight: 500; letter-spacing: -0.04em; white-space: nowrap; text-decoration: none; }
.promo a:hover span:last-child { text-decoration: underline; text-decoration-thickness: 3px; }
.promo a:focus-visible { outline-offset: -8px; }

/* ================= body: cartello di cantiere ================= */
section { padding: var(--sec-pad) var(--gutter); }
.on-field { background: var(--field); color: var(--field-ink); }
.on-concrete { background: var(--concrete); color: var(--ink); }
.sheet { background: var(--paper); color: var(--ink); border: var(--rule) solid var(--ink); max-width: 1240px; margin: 0 auto; container-type: inline-size; }
.band { display: flex; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap; background: var(--ink); color: var(--paper); font: 800 clamp(18px, 1.6vw, 24px)/1.05 var(--disp); text-transform: uppercase; letter-spacing: 0.03em; padding: 12px 20px; overflow-wrap: anywhere; }
.sheet > .band:first-child { font-size: clamp(28px, 3.4vw, 48px); padding: 16px 20px 14px; }
.rows > div { display: grid; grid-template-columns: minmax(104px, 22%) 1fr; border-top: 3px solid var(--ink); }
.rows > div > dt { padding: 12px 20px; font: 800 15px/1.4 var(--disp); text-transform: uppercase; letter-spacing: 0.06em; border-right: 3px solid var(--ink); }
.rows > div > dd { padding: 10px 20px; font-weight: 500; overflow-wrap: anywhere; }
.rows a:hover { text-decoration-thickness: 2px; }
.cta { display: flex; flex-wrap: wrap; border-top: var(--rule) solid var(--ink); }
.btn { flex: 1 1 240px; display: flex; align-items: center; justify-content: center; text-align: center; min-height: 64px; padding: 16px 24px; background: var(--ink); color: var(--paper); font: 800 clamp(20px, 1.8vw, 24px)/1 var(--disp); text-transform: uppercase; letter-spacing: 0.04em; text-decoration: none; }
.btn.alt { background: var(--field); color: var(--field-ink); }
.btn:hover { text-decoration: underline; text-decoration-thickness: 3px; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline-color: var(--paper); outline-offset: -7px; }
.btn.alt:focus-visible { outline-color: var(--field-ink); }

/* servizi */
.svc > div { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); border-top: 3px solid var(--ink); }
.svc dt { padding: 20px; font: 800 clamp(22px, 2.2vw, 32px)/1 var(--disp); text-transform: uppercase; border-right: 3px solid var(--ink); overflow-wrap: anywhere; }
.svc dd { padding: 18px 20px; }

/* lavori */
.h2 { font: 800 clamp(56px, 9vw, 140px)/0.86 var(--disp); text-transform: uppercase; max-width: 1240px; margin: 0 auto 40px; overflow-wrap: anywhere; }
.works { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 480px), 1fr)); gap: 24px; max-width: 1240px; margin: 0 auto; align-items: start; }
.work { background: var(--paper); border: var(--rule) solid var(--ink); }
.work-photo { aspect-ratio: 4 / 3; background: var(--concrete); }
.thumbs { display: flex; height: clamp(110px, 11vw, 170px); gap: var(--rule); background: var(--ink); border-top: var(--rule) solid var(--ink); }
.thumbs figure { flex: 1 1 0; min-width: 0; }
.work .band { justify-content: flex-start; }
.work .rows > div:first-child { border-top: 0; }
.work-desc { padding: 16px 20px 20px; border-top: 3px solid var(--ink); }

/* chi siamo */
#chi-siamo { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: start; }
#chi-siamo.solo { display: block; }
.years { position: sticky; top: 24px; }
.years strong { display: block; font: 800 clamp(160px, 24vw, 380px)/0.8 var(--disp); }
.years span { display: block; margin-top: 16px; font: 800 clamp(24px, 2.6vw, 40px)/1 var(--disp); text-transform: uppercase; }
.letter { margin: 0; width: 100%; }
.letter-photo { aspect-ratio: 3 / 2; border-bottom: var(--rule) solid var(--ink); }
.letter-text { padding: 24px 24px 4px; }
.letter-text p { margin-bottom: 1em; max-width: 64ch; }
.sig { padding: 0 24px 24px; font: 800 26px/1 var(--disp); text-transform: uppercase; }

/* contatti: a film strip of the jobs, framed in ink, scrolls above the sign */
#contatti { padding-top: 0; }
#contatti > .sheet:first-child { margin-top: var(--sec-pad); }
.marquee { overflow: hidden; margin: 0 calc(-1 * var(--gutter)) var(--sec-pad); background: var(--ink); padding: var(--rule) 0; }
.marquee div { display: flex; gap: var(--rule); width: max-content; animation: drift 60s linear infinite; }
.marquee img { height: 160px; width: auto; }
@keyframes drift { to { transform: translateX(-50%); } }
.big { display: block; padding: 24px 20px 16px; font: 800 min(220px, calc((100cqw - 40px) / var(--em)))/0.92 var(--disp); text-decoration: none; white-space: nowrap; }
.big:hover { text-decoration: underline; text-decoration-thickness: 0.05em; }
.hours div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 16px; }
.hours dd { font-variant-numeric: tabular-nums; }

/* footer: the back of the sign */
.footer { background: var(--ink); color: var(--paper); padding: 48px var(--gutter) 40px; }
.foot-name { font: 800 clamp(40px, 6vw, 96px)/0.9 var(--disp); text-transform: uppercase; overflow-wrap: anywhere; }
.foot-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 24px 32px; margin-top: 32px; padding-top: 24px; border-top: 3px solid var(--paper); font-size: 16px; overflow-wrap: anywhere; }
.foot-cols h2 { font: 800 15px/1.4 var(--disp); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.foot-cols p { margin-bottom: 4px; }
.foot-cols a:hover { text-decoration-thickness: 2px; }
.foot-nav { display: flex; flex-direction: column; align-items: flex-start; }
.foot-nav a { min-height: 32px; display: inline-flex; align-items: center; }

.demo-note { background: #111; color: #fff; font: 400 13px/1.4 var(--text); padding: 14px var(--gutter); }

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; padding-top: 24px; }
  .hero-photo { height: 46svh; order: -1; }
  .promo a, .promo > span { font-size: min(6.4vw, 158vw / var(--len, 32)); gap: 5vw; padding: 0 9vw; }
  .rows > div, .svc > div { grid-template-columns: 1fr; }
  .rows > div > dt, .svc dt { border-right: 0; padding-bottom: 0; }
  .svc dt { padding-top: 16px; }
  .svc dd { padding-top: 8px; }
  #chi-siamo { grid-template-columns: 1fr; }
  .years { position: static; }
  .marquee img { height: 110px; }
  .foot-nav a { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee div { animation: none; }
  .btn-ruler { transition: none; }
}