@font-face { font-family: "Barlow Condensed"; font-weight: 500; font-style: normal; font-display: swap; src: url(fonts/barlow-condensed-500.woff2) format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-style: normal; font-display: swap; src: url(fonts/barlow-condensed-600.woff2) format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 700; font-style: normal; font-display: swap; src: url(fonts/barlow-condensed-700.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url(fonts/ibm-plex-sans-400.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-style: normal; font-display: swap; src: url(fonts/ibm-plex-sans-500.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-style: normal; font-display: swap; src: url(fonts/ibm-plex-sans-600.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-style: normal; font-display: swap; src: url(fonts/ibm-plex-mono-400.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap; src: url(fonts/ibm-plex-mono-500.woff2) format("woff2"); }
/* Layout: sito vetrina a una pagina. Intestazione con marchio, hero con prospetto quotato (disegno tecnico), servizi in elenco, fasi di cantiere in sequenza, contatti. */
:root {
  --bg: #DADCDD;        /* cemento chiaro */
  --surface: #E9EAEB;
  --fg: #101532;        /* blu del logo */
  --muted: #363D4D;
  --line: #B0B5B9;
  --logo: #101532;
  --accent: #1F5A3A;    /* verde bosco */
  --accent-light: #6FBF8E; /* verde bosco su fondo blu */
  --on-accent: #FFFFFF;
  --dark-band: #101532;
  --on-dark: #E9EAEB;
  --f-display: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background-color: var(--bg); background-image: url(img/cemento.jpg); background-size: 512px 512px; color: var(--fg); font-family: var(--f-body); font-size: 17px; line-height: 1.6; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.wrap { max-width: 1120px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.band { padding-block: 64px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 700; line-height: 1; margin: 0; text-wrap: balance; letter-spacing: 0.025em; }
h1, h2, h3 { text-transform: uppercase; }
h2 { font-size: clamp(2rem, 5vw, 3.2rem); }
h3 { font-size: 1.6rem; }
p { margin: 0; max-width: 62ch; }
.label { font-family: var(--f-mono); font-weight: 500; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

/* header */
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 104px; }
header { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,0.38); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 18px; }
.brand { display: block; line-height: 0; text-decoration: none; color: var(--logo); max-width: 100%; }
.brand svg { display: block; height: 64px; width: auto; max-width: 100%; fill: currentColor; }
nav { display: flex; gap: 22px; flex-wrap: wrap; font-size: 0.95rem; }
nav a { text-decoration: none; padding-block: 4px; border-bottom: 2px solid transparent; }
nav a:hover { border-bottom-color: var(--accent); }

/* hero */

.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; align-items: center; padding-block: 56px 64px; }
.hero h1 { font-size: clamp(3rem, 8.4vw, 6rem); line-height: 1.2; letter-spacing: 0.01em; }
.hero h1 span { background: var(--accent); color: var(--on-accent); padding: 0 0.12em; }
.hero p.lead { margin-top: 24px; font-size: 1.25rem; color: var(--muted); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.btn { display: inline-block; font-family: var(--f-display); font-weight: 600; font-size: 1.2rem; text-transform: uppercase; letter-spacing: 0.06em; padding: 12px 24px; text-decoration: none; border: 2px solid var(--fg); background: transparent; color: var(--fg); cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn:hover { transform: translateY(-2px); }
.drawing { min-width: 0; background: rgba(255,255,255,0.5); border: 1px solid var(--line); padding: 16px; }
.drawing figcaption { margin-top: 10px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* servizi */
.services-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 32px; }
.service-list { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--fg); }
.service-list li { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr) auto; gap: 8px 32px; align-items: baseline; padding-block: 22px; border-bottom: 1px solid var(--line); }
.service-list li:hover { background: rgba(255,255,255,0.45); }
.service-list .tag { font-family: var(--f-mono); font-weight: 500; font-size: 0.85rem; color: var(--muted); white-space: nowrap; }
.service-list p { color: var(--muted); }

/* fasi */
.dark { background: var(--dark-band); color: var(--on-dark); }
.dark .label { color: #9AA7B2; }
.dark h2 { margin-top: 10px; }
.steps { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; counter-reset: fase; }
.steps li { counter-increment: fase; padding: 20px 18px 0 0; border-top: 4px solid var(--accent-light); position: relative; }
.steps li::before { content: "Fase " counter(fase); font-family: var(--f-mono); font-weight: 500; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: #B4BFC9; }
.steps h3 { margin: 8px 0 8px; font-size: 1.6rem; }
.steps p { font-size: 0.93rem; color: #C3CBD2; }

/* garanzie */
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 32px; }
.grid3 div { border-left: 4px solid var(--accent); padding-left: 18px; }
.grid3 h3 { margin-bottom: 10px; }
.grid3 p { color: var(--muted); }

/* contatti */
footer { border-top: 1px solid var(--line); }
.contact { background: rgba(255,255,255,0.38); border-top: 1px solid var(--line); }
.contact .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; }
.contact dl { margin: 28px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 12px 24px; }
.contact dt { font-family: var(--f-mono); font-weight: 500; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.contact dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
form { display: grid; gap: 14px; min-width: 0; }
label { display: grid; gap: 6px; font-family: var(--f-mono); font-weight: 500; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
input, select, textarea { font: inherit; font-size: 1rem; letter-spacing: 0; text-transform: none; color: var(--fg); background: var(--bg); border: 1px solid var(--line); padding: 11px 12px; width: 100%; border-radius: 0; }
textarea { min-height: 96px; resize: vertical; }
.out { display: none; border: 1px dashed var(--fg); padding: 14px; background: var(--bg); font-size: 0.92rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.out.show { display: block; }
.note { font-size: 0.82rem; color: var(--muted); max-width: none; }
.note .btn { margin: 2px 6px 6px 0; }

footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 88px; }

/* galleria */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.chip { font-family: var(--f-mono); font-weight: 500; font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 9px 14px; border: 1.5px solid var(--fg); background: transparent; color: var(--fg); cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.gallery { columns: 3; column-gap: 16px; }
.gallery figure { margin: 0 0 18px; break-inside: avoid; }
.ph { display: block; width: 100%; padding: 0; border: 0; background: var(--line); cursor: zoom-in; line-height: 0; }
.ph img { display: block; width: 100%; height: auto; transition: filter .2s; }
.ph:hover img { filter: brightness(1.06); }
.gallery figcaption { font-size: 0.85rem; line-height: 1.35; color: var(--muted); padding-top: 6px; }
.lb { position: fixed; inset: 0; z-index: 50; background: rgba(16,21,50,0.96); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding-top: max(16px, env(safe-area-inset-top, 0px)); padding-bottom: max(16px, env(safe-area-inset-bottom, 0px)); padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.lb img { display: block; max-width: 100%; max-height: calc(100% - 110px); width: auto; height: auto; object-fit: contain; min-height: 0; }
.lb p { color: #E9EAEB; text-align: center; max-width: 60ch; font-size: 0.95rem; }
.lb-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: center; }
.lb-bar button { font-family: var(--f-display); font-weight: 600; font-size: 1.1rem; letter-spacing: 0.04em; text-transform: uppercase; background: #E9EAEB; color: #101532; border: 0; padding: 8px 18px; cursor: pointer; }
.lb-bar span { font-family: var(--f-mono); font-size: 0.8rem; color: #B7BDC6; min-width: 56px; text-align: center; }
@media (max-width: 700px) {
  header .wrap { padding-block: 8px; gap: 4px 16px; }
  .brand svg { height: 40px; }
  nav { gap: 0 12px; font-size: 0.8rem; }
  section[id] { scroll-margin-top: 96px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (max-width: 900px) { .gallery { columns: 2; } }
@media (max-width: 420px) { .gallery { columns: 1; } }

/* whatsapp */
.btn.wa-btn { display: inline-flex; align-items: center; gap: 10px; background: #128C7E; border-color: #128C7E; color: #FFFFFF; }
.wa { position: fixed; z-index: 40; right: max(16px, env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px 12px 16px; background: #128C7E; color: #FFFFFF; text-decoration: none; font-family: var(--f-display); font-weight: 600; font-size: 1.2rem; letter-spacing: 0.05em; text-transform: uppercase; border-radius: 999px; box-shadow: 0 6px 18px rgba(16,21,50,0.3); }
.wa:hover { background: #0F7A6E; }

@media (max-width: 900px) {
  .hero .wrap, .contact .wrap { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .grid3 { grid-template-columns: minmax(0, 1fr); }
  .service-list li { grid-template-columns: minmax(0, 1fr); }
  .band { padding-block: 48px; }
}
@media (prefers-reduced-motion: reduce) { .btn:hover { transform: none; } }
[hidden] { display: none !important; }

.hero .drawing { padding: 0; background: #FBFAF6; overflow: hidden; }
.hero .drawing figcaption { padding: 10px 14px 12px; margin-top: 0; align-items: center; }
.herobtns { display: flex; gap: 8px; flex-wrap: wrap; }
.pausebtn { font-size: 0.72rem; padding: 5px 10px; letter-spacing: 0.06em; background: transparent; cursor: pointer; }
@media (prefers-reduced-motion: reduce) { .pausebtn { display: none; } }