/* Arcaro Costruzioni — demo LUDOLUX
   Motivo: la "tavola tecnica" (TAV. 0X, linee di quota, griglia da progetto) + strisce da cantiere. */

:root {
  --calce: #EFEBE4;
  --calce-2: #E5E0D7;
  --antracite: #16171A;
  --ferro: #212327;
  --ferro-2: #2C2F34;
  --cemento: #77756F;
  --linea: #CFC9BE;
  --giallo: #F2B21B;
  --giallo-2: #FFC93D;
  --bianco: #FBFAF7;

  --f-display: 'Big Shoulders Display', 'Arial Narrow', sans-serif;
  --f-body: 'Manrope', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;

  --wrap: 1240px;
  --r: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--calce); color: var(--antracite); font: 400 16px/1.6 var(--f-body); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 800; text-transform: uppercase; line-height: .95; letter-spacing: .005em; margin: 0; }
h2 { font-size: clamp(2.4rem, 5vw, 4rem); }
h3 { font-size: 1.45rem; line-height: 1.05; }
p { margin: 0; }

.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.hl { color: var(--giallo); }
.hl-u { background: linear-gradient(transparent 62%, var(--giallo) 62%, var(--giallo) 90%, transparent 90%); padding-inline: .05em; }

/* Etichetta "TAV." con linea di quota */
.tav { display: flex; align-items: center; gap: 12px; font: 500 .75rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--cemento); margin-bottom: 18px; }
.tav span { white-space: nowrap; color: var(--antracite); background: var(--giallo); padding: 5px 7px; }
.tav::after { content: ''; flex: 0 0 64px; height: 9px; border: 1px solid currentColor; border-width: 0 1px; background: linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat; opacity: .6; }
.tav--light { color: #A9A7A1; }

.stripe { height: 10px; background: repeating-linear-gradient(-45deg, var(--giallo) 0 14px, var(--antracite) 14px 28px); }
.grid-bg { background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 48px 48px; }

/* Bottoni */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 24px; border: 1.5px solid transparent; border-radius: var(--r); font: 700 .8rem/1 var(--f-body); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.btn:hover { transform: translateY(-2px); }
.btn--yellow { background: var(--giallo); color: var(--antracite); }
.btn--yellow:hover { background: var(--giallo-2); }
.btn--ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn--ghost:hover { border-color: var(--giallo); color: var(--giallo); }
.btn--line { border-color: var(--antracite); }
.btn--line:hover { background: var(--antracite); color: var(--calce); }
.btn--dark { background: var(--antracite); color: var(--calce); }
.btn--dark:hover { background: var(--ferro-2); }

/* Barra alta */
.topbar { background: var(--antracite); color: #BDBAB3; font: 400 .72rem/1 var(--f-mono); letter-spacing: .04em; }
.topbar__in { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 36px; }
.topbar__tel { text-decoration: none; color: var(--giallo); }
.status { display: inline-flex; align-items: center; gap: 8px; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: #C24A3A; }
.status.is-open i { background: #6CC174; box-shadow: 0 0 0 3px rgba(108,193,116,.2); }
.status b { font-weight: 500; }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(239,235,228,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--linea); }
.header__in { display: flex; align-items: center; gap: 28px; min-height: 72px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; margin: 0; }
.logo__mark { display: grid; place-items: center; width: 42px; height: 42px; background: var(--giallo); color: var(--antracite); font: 900 1.7rem/1 var(--f-display); clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%); }
.logo__txt { display: flex; flex-direction: column; }
.logo__name { font: 900 1.55rem/.9 var(--f-display); text-transform: uppercase; letter-spacing: .04em; }
.logo__sub { font: 500 .62rem/1.4 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--cemento); }
.logo--light .logo__name { color: var(--calce); }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { position: relative; text-decoration: none; font-weight: 600; font-size: .9rem; padding: 6px 0; }
.nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--giallo); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.nav a:hover::after, .nav a.is-current::after { transform: scaleX(1); }
.header__cta { min-height: 44px; }
.burger { display: none; width: 44px; height: 44px; border: 0; background: var(--antracite); border-radius: var(--r); cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.burger span { width: 20px; height: 2px; background: var(--calce); transition: transform .25s; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* Apertura */
.hero { position: relative; background: var(--antracite); color: #fff; padding: clamp(80px, 12vw, 150px) 0 0; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.hero::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(22,23,26,.92) 0%, rgba(22,23,26,.55) 55%, rgba(22,23,26,.25) 100%), linear-gradient(0deg, var(--antracite) 0%, transparent 35%); }
.hero > .wrap { position: relative; z-index: 2; }
.hero h1 { font-size: clamp(3.2rem, 8.5vw, 7.2rem); line-height: .88; margin-bottom: 26px; }
.hero .lead { max-width: 560px; font-size: 1.1rem; color: #D9D6CF; margin-bottom: 34px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__next { display: inline-flex; align-items: center; gap: 10px; margin-top: 28px; font: 400 .78rem/1.3 var(--f-mono); color: #BDBAB3; }
.hero__next i { width: 8px; height: 8px; border-radius: 50%; background: var(--giallo); animation: blink 1.6s infinite; }
.hero__next b { color: #fff; font-weight: 500; }
@keyframes blink { 50% { opacity: .25; } }

.stats { list-style: none; margin: clamp(60px, 9vw, 110px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); background: var(--ferro); border-top: 3px solid var(--giallo); }
.stats li { padding: 26px 28px; border-left: 1px solid rgba(255,255,255,.08); }
.stats li:first-child { border-left: 0; }
.stats b { display: block; font: 900 clamp(2.4rem, 4vw, 3.4rem)/1 var(--f-display); color: var(--giallo); }
.stats span { font-size: .85rem; color: #BDBAB3; }

/* Sezioni */
.section { padding: clamp(80px, 10vw, 130px) 0; }
.section--alt { background: var(--calce-2); }
.section--dark { background-color: var(--antracite); color: var(--calce); }
.section--yellow { background: var(--giallo); }
.head { margin-bottom: 52px; }
.head--split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; }
.head--center { text-align: center; max-width: 720px; margin-inline: auto; }
.head--center .tav { justify-content: center; }
.head--center .tav::before { content: ''; flex: 0 0 64px; height: 9px; border: 1px solid currentColor; border-width: 0 1px; background: linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat; opacity: .6; order: -1; }
.head__lead { color: var(--cemento); max-width: 520px; margin-top: 14px; }
.section--dark .head__lead { color: #A9A7A1; }
.head--center .head__lead { margin-inline: auto; }

/* Filtri */
.tabs, .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tab, .chip { border: 1.5px solid var(--linea); background: transparent; padding: 10px 16px; border-radius: var(--r); font-weight: 600; font-size: .85rem; cursor: pointer; transition: all .2s; }
.tab:hover, .chip:hover { border-color: var(--antracite); }
.tab.is-active, .chip.is-active { background: var(--antracite); border-color: var(--antracite); color: var(--calce); }

/* Servizi */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service { position: relative; display: flex; flex-direction: column; background: var(--bianco); border: 1px solid var(--linea); border-radius: var(--r); overflow: hidden; transition: transform .3s, box-shadow .3s; }
.service:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -20px rgba(22,23,26,.35); }
.service[hidden] { display: none; }
.service__img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--calce-2); }
.service__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.service:hover .service__img img { transform: scale(1.05); }
.service__n { position: absolute; top: 14px; left: 14px; background: var(--antracite); color: var(--giallo); font: 500 .72rem/1 var(--f-mono); padding: 7px 9px; }
.service__body { display: flex; flex-direction: column; gap: 12px; padding: 24px; flex: 1; }
.service__body p { color: var(--cemento); font-size: .95rem; }
.service__list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.service__list li { font: 400 .72rem/1 var(--f-mono); padding: 6px 8px; background: var(--calce); border-radius: 2px; }
.service__cta { margin-top: auto; align-self: flex-start; border: 0; background: none; padding: 8px 0 0; font-weight: 700; font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; cursor: pointer; border-bottom: 2px solid var(--giallo); }
.service__cta:hover { color: #9A6C00; }

/* Chi siamo */
.about { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.about__lead { font-size: 1.08rem; margin: 22px 0 28px; }
.checks { list-style: none; margin: 0 0 30px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 18px 26px; }
.checks li { position: relative; padding-left: 30px; font-size: .92rem; color: var(--cemento); }
.checks li::before { content: ''; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; background: var(--giallo) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M4 9.5l3 3 7-7' fill='none' stroke='%2316171A' stroke-width='2'/%3E%3C/svg%3E") center / 100% no-repeat; }
.checks b { display: block; color: var(--antracite); font-size: .98rem; }
.quote { margin: 0; padding: 18px 0 0 22px; border-left: 3px solid var(--giallo); font: 700 1.5rem/1.15 var(--f-display); text-transform: uppercase; }
.quote cite { display: block; margin-top: 10px; font: 400 .75rem/1 var(--f-mono); text-transform: none; color: var(--cemento); font-style: normal; }
.about__media { position: relative; min-height: 540px; }
.about__img { position: absolute; margin: 0; overflow: hidden; border-radius: var(--r); }
.about__img img { width: 100%; height: 100%; object-fit: cover; }
.about__img--back { top: 0; right: 0; width: 62%; height: 62%; }
.about__img--front { left: 0; bottom: 0; width: 72%; height: 64%; border: 8px solid var(--calce-2); }
.about__badge { position: absolute; right: 6%; bottom: 8%; background: var(--antracite); color: #BDBAB3; padding: 18px 22px; font: 400 .72rem/1.3 var(--f-mono); text-transform: uppercase; letter-spacing: .06em; }
.about__badge b { display: block; font: 900 2.8rem/1 var(--f-display); color: var(--giallo); }

.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 70px; padding-top: 40px; border-top: 1px solid var(--linea); }
.person { display: flex; gap: 14px; align-items: center; }
.person__mono { flex: 0 0 52px; height: 52px; display: grid; place-items: center; background: var(--antracite); color: var(--giallo); font: 800 1.2rem/1 var(--f-display); }
.person h3 { font-size: 1.1rem; }
.person p { font-size: .82rem; color: var(--cemento); }

/* Lavori: mosaico */
.works { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 230px; gap: 16px; }
.work { position: relative; overflow: hidden; border-radius: var(--r); border: 0; padding: 0; cursor: pointer; text-align: left; background: var(--antracite); color: #fff; }
.work[hidden] { display: none; }
.work:nth-child(6n+1) { grid-column: span 2; grid-row: span 2; }
.work:nth-child(6n+4) { grid-column: span 2; }
.work img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s, opacity .3s; opacity: .85; }
.work::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(22,23,26,.9) 0%, transparent 60%); }
.work:hover img { transform: scale(1.05); opacity: 1; }
.work__cap { position: absolute; left: 20px; right: 20px; bottom: 18px; z-index: 1; display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }
.work__cat { display: block; font: 500 .68rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--giallo); margin-bottom: 8px; }
.work h3 { font-size: 1.35rem; }
.work__place { font-size: .82rem; color: #C9C6BF; }
.work__go { flex: 0 0 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--giallo); color: var(--antracite); font-weight: 700; transition: transform .3s; }
.work:hover .work__go { transform: rotate(-45deg); }
.work:focus-visible { outline: 3px solid var(--giallo); outline-offset: 3px; }

.modal { width: min(100% - 32px, 860px); max-height: calc(100vh - 40px); padding: 0; border: 0; border-radius: var(--r); background: var(--bianco); color: var(--antracite); overflow: auto; }
.modal::backdrop { background: rgba(22,23,26,.75); backdrop-filter: blur(4px); }
.modal img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.modal__close { position: absolute; top: 12px; right: 12px; width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--giallo); font-size: 1.6rem; line-height: 1; cursor: pointer; }
.modal__body { padding: 30px clamp(20px, 4vw, 40px) 36px; }
.modal h3 { font-size: 2.2rem; }
.modal__specs { display: grid; grid-template-columns: repeat(3, 1fr); margin: 22px 0; border: 1px solid var(--linea); }
.modal__specs div { padding: 12px 16px; border-left: 1px solid var(--linea); }
.modal__specs div:first-child { border-left: 0; }
.modal__specs dt { font: 400 .68rem/1 var(--f-mono); text-transform: uppercase; color: var(--cemento); margin-bottom: 6px; }
.modal__specs dd { margin: 0; font: 800 1.35rem/1 var(--f-display); }
.modal__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-bottom: 26px; }
.modal h4 { font-size: 1rem; margin-bottom: 6px; }
.modal__cols p { color: var(--cemento); font-size: .95rem; }

/* Cantieri aperti */
.cantieri { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.cantieri__upd { margin-top: 26px; font: 400 .75rem/1.4 var(--f-mono); color: #8E8C86; }
.sites { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.site { background: var(--ferro); border: 1px solid rgba(255,255,255,.07); padding: 22px 24px; border-radius: var(--r); }
.site__top { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; margin-bottom: 4px; }
.site h3 { font-size: 1.3rem; color: #fff; }
.site__pct { font: 900 1.8rem/1 var(--f-display); color: var(--giallo); }
.site__meta { font-size: .85rem; color: #A9A7A1; margin-bottom: 16px; }
.bar { position: relative; height: 10px; background: var(--ferro-2); }
.bar i { position: absolute; inset: 0 auto 0 0; width: 0; background: repeating-linear-gradient(-45deg, var(--giallo) 0 8px, #D99A0A 8px 16px); transition: width 1.4s cubic-bezier(.2,.7,.2,1); }
.bar::after { content: ''; position: absolute; inset: -4px 0; background: repeating-linear-gradient(90deg, rgba(255,255,255,.18) 0 1px, transparent 1px 10%); pointer-events: none; }
.site__foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 12px; font: 400 .72rem/1.3 var(--f-mono); color: #8E8C86; text-transform: uppercase; letter-spacing: .04em; }
.site__foot b { color: var(--calce); font-weight: 500; }

/* Metodo */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-top: 1px solid var(--linea); }
.step { position: relative; padding: 34px 22px 10px; border-left: 1px solid var(--linea); }
.step:first-child { border-left: 0; }
.step::before { content: ''; position: absolute; top: -6px; left: 22px; width: 11px; height: 11px; background: var(--giallo); border: 2px solid var(--antracite); transform: rotate(45deg); }
.step__n { position: absolute; top: 18px; right: 18px; font: 900 4.6rem/1 var(--f-display); color: transparent; -webkit-text-stroke: 1.5px var(--linea); }
.step svg { width: 40px; height: 40px; fill: none; stroke: var(--antracite); stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; margin-bottom: 22px; }
.step h3 { font-size: 1.25rem; margin-bottom: 10px; }
.step p { font-size: .9rem; color: var(--cemento); }

/* Stima */
.estimate { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.section--yellow .tav { color: rgba(22,23,26,.6); }
.section--yellow .tav span { background: var(--antracite); color: var(--giallo); }
.estimate__text p:last-child { margin-top: 18px; font-size: 1.05rem; max-width: 460px; }
.estimate__form { background: var(--antracite); color: var(--calce); padding: clamp(24px, 4vw, 40px); border-radius: var(--r); display: grid; gap: 22px; box-shadow: 14px 14px 0 rgba(22,23,26,.18); }
.estimate__form label, .seg legend { display: grid; gap: 8px; font: 500 .72rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: #A9A7A1; }
.estimate__form label output { justify-self: end; margin-top: -18px; text-transform: none; font: 900 1.4rem/1 var(--f-display); color: var(--giallo); }
.estimate__form select { background: var(--ferro); border: 1px solid var(--ferro-2); padding: 14px; border-radius: var(--r); color: var(--calce); font: 500 1rem/1.2 var(--f-body); text-transform: none; letter-spacing: 0; }
input[type="range"] { accent-color: var(--giallo); width: 100%; }
.seg { border: 0; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.seg legend { margin-bottom: 8px; grid-column: 1 / -1; }
.seg label { display: block; }
.seg input { position: absolute; opacity: 0; }
.seg span { display: block; text-align: center; padding: 12px 6px; border: 1px solid var(--ferro-2); border-radius: var(--r); font: 600 .9rem/1 var(--f-body); color: var(--calce); text-transform: none; letter-spacing: 0; cursor: pointer; transition: all .2s; }
.seg input:checked + span { background: var(--giallo); border-color: var(--giallo); color: var(--antracite); }
.seg input:focus-visible + span { outline: 2px solid var(--giallo); outline-offset: 2px; }
.estimate__out { border-top: 1px dashed rgba(255,255,255,.18); padding-top: 22px; display: grid; gap: 14px; }
.estimate__range { font: 900 clamp(2rem, 4vw, 2.8rem)/1 var(--f-display); color: #fff; }
.estimate__range small { display: block; font: 400 .72rem/1.3 var(--f-mono); color: #A9A7A1; text-transform: uppercase; margin-bottom: 6px; }
.estimate__out p { font-size: .88rem; color: #A9A7A1; }
.estimate__out .btn { justify-self: start; }

/* Recensioni + FAQ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); }
.review-slider { position: relative; margin-top: 34px; background: var(--ferro); padding: 34px 32px 26px; border-left: 3px solid var(--giallo); min-height: 280px; display: flex; flex-direction: column; }
.review { margin: 0; display: none; }
.review.is-active { display: block; animation: fade .5s; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } }
.review blockquote { margin: 0 0 20px; font-size: 1.12rem; line-height: 1.55; color: #fff; }
.review blockquote::before { content: '“'; display: block; font: 900 4rem/.6 var(--f-display); color: var(--giallo); margin-bottom: 8px; }
.review figcaption { font-size: .85rem; color: #A9A7A1; }
.review figcaption b { color: var(--calce); }
.review-nav { margin-top: auto; padding-top: 22px; display: flex; align-items: center; gap: 14px; font: 400 .75rem/1 var(--f-mono); color: #A9A7A1; }
.review-nav button { width: 40px; height: 40px; border: 1px solid var(--ferro-2); background: transparent; color: var(--calce); border-radius: 50%; cursor: pointer; }
.review-nav button:hover { background: var(--giallo); color: var(--antracite); border-color: var(--giallo); }
.note { margin-top: 12px; font: 400 .7rem/1 var(--f-mono); color: #6F6D68; }
.faq__title { font-size: 1.8rem; margin-bottom: 20px; }
.faq details { border-bottom: 1px solid var(--ferro-2); }
.faq summary { list-style: none; display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; font-weight: 600; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; flex: 0 0 26px; height: 26px; display: grid; place-items: center; border: 1px solid var(--giallo); color: var(--giallo); font-weight: 400; transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 40px 20px 0; color: #A9A7A1; font-size: .95rem; }

/* Contatti */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.contact__info > p { margin: 18px 0 30px; color: var(--cemento); }
.contact__list { list-style: none; margin: 0 0 30px; padding: 0; border-top: 1px solid var(--linea); }
.contact__list li { display: grid; grid-template-columns: 130px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--linea); }
.contact__list span { font: 400 .72rem/1.9 var(--f-mono); text-transform: uppercase; color: var(--cemento); }
.contact__list a { font-weight: 600; text-decoration: none; }
.contact__list a:hover { text-decoration: underline; text-decoration-color: var(--giallo); text-decoration-thickness: 2px; }
.hours { border-collapse: collapse; font-size: .9rem; }
.hours td { padding: 2px 16px 2px 0; }
.hours .closed { color: var(--cemento); }
.hours .is-today td { font-weight: 700; }
.hours .is-today td:first-child::before { content: '▸ '; color: #C28A00; }
.zones__label { font: 500 .72rem/1 var(--f-mono); text-transform: uppercase; color: var(--cemento); margin-bottom: 10px; }
.zones { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.zones li { padding: 7px 11px; background: var(--calce-2); font-size: .82rem; font-weight: 600; }

.form { background: var(--bianco); border: 1px solid var(--linea); border-top: 4px solid var(--giallo); padding: clamp(24px, 4vw, 40px); display: grid; gap: 16px; }
.form h3 { font-size: 1.8rem; margin-bottom: 4px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 7px; font: 500 .72rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .05em; color: var(--cemento); }
.form input:not([type="checkbox"]), .form select, .form textarea { width: 100%; padding: 13px 14px; border: 1px solid var(--linea); border-radius: var(--r); background: var(--calce); font: 400 1rem/1.3 var(--f-body); color: var(--antracite); text-transform: none; letter-spacing: 0; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--giallo); outline-offset: 0; border-color: var(--antracite); }
.form .is-invalid { border-color: #C24A3A; background: #FBEDEA; }
.form .check { display: flex; gap: 10px; align-items: flex-start; font: 400 .85rem/1.45 var(--f-body); text-transform: none; letter-spacing: 0; }
.form .check input { margin-top: 3px; accent-color: var(--antracite); }
.form__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.form__status { font-size: .9rem; min-height: 1.4em; }
.form__status.is-ok { color: #2F7A3A; }
.form__status.is-err { color: #B23A2B; }

/* Footer */
.footer { background-color: var(--antracite); color: #A9A7A1; padding: 60px 0 100px; }
.footer__in { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 36px; border-bottom: 1px solid var(--ferro-2); }
.footer__small { margin-top: 18px; font: 400 .75rem/1.7 var(--f-mono); }
.footer__nav { display: grid; grid-template-columns: repeat(3, auto); gap: 10px 36px; align-content: start; }
.footer__nav a { text-decoration: none; font-size: .9rem; }
.footer__nav a:hover { color: var(--giallo); }
.footer__legal { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 22px; font-size: .8rem; }
.footer__legal a { text-decoration: none; }
.ludolux { font-weight: 700; color: var(--calce); }

/* Barra mobile */
.mbar { display: none; }

/* Comparse */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s, transform .7s; }
.js .reveal.is-in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1100px) {
  .nav { position: fixed; inset: 108px 0 auto; flex-direction: column; gap: 0; background: var(--calce); border-bottom: 1px solid var(--linea); padding: 8px 16px 20px; transform: translateY(-120%); visibility: hidden; transition: transform .3s, visibility .3s; }
  .nav.is-open { transform: none; visibility: visible; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--linea); font-size: 1rem; }
  .burger { display: flex; margin-left: auto; }
  .header__cta { display: none; }
  .services { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 30px; }
  .step:nth-child(4) { border-left: 0; }
  .team { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .topbar__mid { display: none; }
  .head--split, .about, .cantieri, .estimate, .split, .contact { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats li:nth-child(3) { border-left: 0; }
  .stats li:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.08); }
  .about__media { min-height: 420px; }
  .works { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .work:nth-child(6n+1) { grid-column: span 2; grid-row: span 1; }
  .work:nth-child(6n+4) { grid-column: span 2; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(odd) { border-left: 0; }
  .step:nth-child(4) { border-left: 1px solid var(--linea); }
  .modal__cols { grid-template-columns: 1fr; }
  .footer { padding-bottom: 110px; }
  .mbar { display: grid; grid-template-columns: 1fr 1fr 1.3fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: var(--antracite); border-top: 3px solid var(--giallo); }
  .mbar a { padding: 16px 8px; text-align: center; text-decoration: none; color: var(--calce); font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; }
  .mbar__main { background: var(--giallo); color: var(--antracite) !important; }
}

@media (max-width: 560px) {
  .services, .checks, .form__row, .steps, .team { grid-template-columns: 1fr; }
  .step { border-left: 0 !important; border-top: 1px solid var(--linea); }
  .steps { border-top: 0; }
  .works { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .work:nth-child(n) { grid-column: auto; grid-row: auto; }
  .stats li { padding: 20px 18px; }
  .about__media { min-height: 340px; }
  .modal__specs { grid-template-columns: 1fr; }
  .modal__specs div { border-left: 0; border-top: 1px solid var(--linea); }
  .modal__specs div:first-child { border-top: 0; }
  .contact__list li { grid-template-columns: 1fr; gap: 2px; }
  .footer__nav { grid-template-columns: repeat(2, auto); }
  .hero__cta .btn { flex: 1 1 100%; }
  .topbar__tel { display: none; }
  .tav::after { flex-basis: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}