/* Layout: a material swatch book. Wide photo-led bands, each material read like a spec sheet. */
:root {
  --paper: #f4f3f1;
  --panel: #ebe8e4;
  --ink: #1c1613;
  --muted: #625953;
  --line: #d8d3cd;
  --teal: #1d5c63;
  --teal-ink: #ffffff;
  --skin: #a8784a;
  --espresso: #1c1613;
  --on-espresso: #ede8e3;
  --on-espresso-muted: #b3a9a1;
  --logo-filter: brightness(0);
  --deep: #1d5c63;
  --on-photo: #f3ede6;
  --on-photo-muted: rgb(243 237 230 / 0.78);
  --on-photo-line: rgb(243 237 230 / 0.38);
  --display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;
  --body: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --wrap: 1180px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14100e; --panel: #1e1916; --ink: #ede8e3; --muted: #a89e96; --line: #2f2824;
    --teal: #6fb1b6; --teal-ink: #0f1a1b; --skin: #c99a69;
    --espresso: #0d0a09; --on-espresso: #ede8e3; --on-espresso-muted: #a89e96;
    --deep: #17474c; --logo-filter: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #14100e; --panel: #1e1916; --ink: #ede8e3; --muted: #a89e96; --line: #2f2824;
  --teal: #6fb1b6; --teal-ink: #0f1a1b; --skin: #c99a69;
  --espresso: #0d0a09; --on-espresso: #ede8e3; --on-espresso-muted: #a89e96;
  --deep: #17474c; --logo-filter: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body {
  margin: 0;
  background: var(--paper); color: var(--ink);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
body.it .l-en, body:not(.it) .l-it { display: none !important; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 2px; }

.wrap {
  max-width: var(--wrap); margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 700px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }

h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.08; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3 { font-size: 1.6rem; }
p { margin: 0; max-width: 62ch; }
.label {
  font: 500 0.74rem/1.3 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.lede { font-size: 1.15rem; color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; gap: 0.5em; padding: 0.8em 1.3em;
  font: 600 0.95rem/1 var(--body); text-decoration: none; border-radius: 2px;
  border: 1px solid var(--teal); background: var(--teal); color: var(--teal-ink); cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.btn:hover { background: transparent; color: var(--teal); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); }

/* header */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--espresso); }
.top {
  position: fixed; top: env(safe-area-inset-top, 0px); left: 0; right: 0; z-index: 5;
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
  transition: background 0.3s, border-color 0.3s;
}
/* over the hero photo the header is transparent with light type */
.top:not(.solid) {
  --ink: var(--on-photo); --muted: var(--on-photo-muted); --line: var(--on-photo-line); --paper: var(--espresso);
  --logo-filter: none;
  background: transparent; backdrop-filter: none; border-bottom-color: transparent;
}
.top .wrap { display: flex; align-items: center; gap: 24px; height: 72px; max-width: none; }
.logo img { width: 128px; filter: var(--logo-filter); transition: opacity 0.3s; }
.top:not(.solid) .logo img { opacity: 0; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { text-decoration: none; font-size: 0.93rem; color: var(--muted); }
.nav a:hover { color: var(--ink); }
.lang { display: flex; border: 1px solid var(--line); border-radius: 2px; }
.lang button {
  font: 500 0.72rem/1 var(--mono); letter-spacing: 0.08em; padding: 7px 9px; border: 0;
  background: transparent; color: var(--muted); cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
@media (max-width: 860px) { .nav { display: none; } .lang { margin-left: auto; } .top .btn { display: none; } }

/* hero */
.hero {
  position: relative; overflow: hidden; display: grid; align-items: end;
  min-height: clamp(600px, 92vh, 980px); background: var(--espresso); color: var(--on-photo);
}
.hero-bg { position: absolute; inset: 0; margin: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 35% 55%; animation: settle 2.6s cubic-bezier(.2,.7,.2,1) both; }
@keyframes settle { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgb(18 13 11 / 0.6) 0%, rgb(18 13 11 / 0) 22%),
    linear-gradient(20deg, rgb(18 13 11 / 0.92) 0%, rgb(18 13 11 / 0.55) 38%, rgb(18 13 11 / 0) 70%);
}
.hero-copy { position: relative; z-index: 1; display: grid; gap: 22px; padding-block: 140px clamp(48px, 7vw, 88px); width: 100%; }
.hero-copy > * { min-width: 0; }
.hero-mark { width: clamp(260px, 52vw, 720px); margin-left: -0.6%; }
.hero h1 { font-size: clamp(1.6rem, 3vw, 2.5rem); font-weight: 500; max-width: 24ch; }
.hero .lede { color: var(--on-photo-muted); max-width: 52ch; }
.hero .label { color: var(--on-photo-muted); }
.hero-copy .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.hero .btn.ghost { color: var(--on-photo); border-color: var(--on-photo-line); }
.hero .btn.ghost:hover { border-color: var(--on-photo); }
.scroll-cue {
  position: absolute; z-index: 1; right: max(32px, env(safe-area-inset-right, 0px)); bottom: clamp(48px, 7vw, 88px);
  writing-mode: vertical-rl; font: 500 0.7rem/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--on-photo-muted); text-decoration: none; display: flex; align-items: center; gap: 14px;
}
.scroll-cue::after { content: ""; width: 1px; height: 64px; background: var(--on-photo-line); }
@media (max-width: 700px) { .scroll-cue { display: none; } .hero { min-height: 640px; } .hero-bg img { object-position: 22% 50%; } }
@media (prefers-reduced-motion: reduce) { .hero-bg img { animation: none; } }

/* figures */
.figures { border-bottom: 1px solid var(--line); }
.figures .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.fig { padding: 28px 20px 28px 0; display: grid; gap: 6px; align-content: start; }
.fig + .fig { border-left: 1px solid var(--line); padding-left: 24px; }
.fig b { font: 600 clamp(2.2rem, 4vw, 3.2rem)/1 var(--display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.fig b small { font-size: 0.5em; margin-left: 2px; color: var(--muted); }
.fig span { font-size: 0.9rem; color: var(--muted); max-width: 22ch; }
@media (max-width: 700px) {
  .figures .wrap { grid-template-columns: 1fr 1fr; }
  .fig:nth-child(3) { border-left: 0; padding-left: 0; }
  .fig:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* origin */
section { scroll-margin-top: 72px; }
.band { padding-block: clamp(64px, 9vw, 120px); }
.origin { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 80px); align-items: center; }
.origin figure { margin: 0; }
.origin figcaption { margin-top: 10px; }
.origin .text { display: grid; gap: 20px; min-width: 0; }
@media (max-width: 800px) { .origin { grid-template-columns: 1fr; } }

/* science */
.science { display: grid; grid-template-columns: 0.25fr 1fr; gap: 16px clamp(24px, 5vw, 64px); margin-top: clamp(56px, 8vw, 96px); padding-top: 28px; border-top: 1px solid var(--ink); }
.science > * { min-width: 0; }
.science-body { display: grid; gap: 28px; }
.claim { font: 500 clamp(1.6rem, 3.2vw, 2.6rem)/1.18 var(--display); letter-spacing: -0.02em; max-width: 28ch; text-wrap: balance; }
.science-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; }
.science-cta p { color: var(--muted); }
@media (max-width: 700px) { .science { grid-template-columns: 1fr; } }

/* values */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); margin-top: clamp(48px, 7vw, 80px); }
.value { padding: 24px 24px 0 0; display: grid; gap: 8px; align-content: start; }
.value + .value { padding-left: 24px; border-left: 1px solid var(--line); }
.value h3 { font-size: 1.2rem; }
.value p { color: var(--muted); font-size: 0.97rem; }
@media (max-width: 700px) {
  .values { grid-template-columns: 1fr; }
  .value + .value { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .value { padding-bottom: 20px; }
}

/* materials */
.materials { background: var(--espresso); color: var(--on-espresso); }
.materials .label, .materials .lede { color: var(--on-espresso-muted); }
.mat-head { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 6vw, 72px); }
.mat-head > * { min-width: 0; }
.formulas { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; margin-top: 16px; border-block: 1px solid color-mix(in srgb, var(--on-espresso) 18%, transparent); }
.formulas div { display: flex; align-items: baseline; gap: 18px; padding: 22px 24px 22px 0; min-width: 0; }
.formulas div + div { padding-left: 24px; border-left: 1px solid color-mix(in srgb, var(--on-espresso) 18%, transparent); }
.formulas b { font: 600 clamp(2.4rem, 4.4vw, 3.6rem)/1 var(--display); letter-spacing: -0.03em; color: var(--skin); white-space: nowrap; font-variant-numeric: tabular-nums; }
.formulas span { color: var(--on-espresso); max-width: 30ch; }
.formulas small { color: var(--on-espresso-muted); font-size: 0.85em; }
@media (max-width: 800px) { .formulas { grid-template-columns: 1fr; } .formulas div + div { padding-left: 0; border-left: 0; border-top: 1px solid color-mix(in srgb, var(--on-espresso) 18%, transparent); } .formulas div { flex-direction: column; gap: 8px; } }
@media (max-width: 800px) { .mat-head { grid-template-columns: 1fr; } }
.mat {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(24px, 5vw, 64px);
  padding-block: clamp(32px, 4vw, 48px); border-top: 1px solid color-mix(in srgb, var(--on-espresso) 18%, transparent);
  align-items: start;
}
.mat:nth-of-type(even) .mat-img { order: 2; }
.mat-img { aspect-ratio: 1; overflow: hidden; max-width: 100%; }
.mat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.mat:hover .mat-img img { transform: scale(1.03); }
.mat-body { display: grid; gap: 18px; min-width: 0; }
.mat-body .no { font: 500 0.78rem/1 var(--mono); letter-spacing: 0.12em; color: var(--skin); text-transform: uppercase; }
.mat-body h3 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.mat-body p { color: var(--on-espresso-muted); }
.spec { margin: 8px 0 0; display: grid; grid-template-columns: max-content 1fr; border-top: 1px solid color-mix(in srgb, var(--on-espresso) 18%, transparent); }
.spec dt, .spec dd { margin: 0; padding: 11px 0; border-bottom: 1px solid color-mix(in srgb, var(--on-espresso) 18%, transparent); }
.spec dt { font: 500 0.72rem/1.9 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-espresso-muted); padding-right: 28px; }
.spec dd { font-size: 0.97rem; }
@media (max-width: 800px) {
  .mat { grid-template-columns: 1fr; }
  .mat:nth-of-type(even) .mat-img { order: 0; }
  .mat-img { aspect-ratio: 3 / 2; }
}
@media (max-width: 440px) { .spec { grid-template-columns: 1fr; } .spec dt { border-bottom: 0; padding-bottom: 0; } .spec dd { padding-top: 2px; } }
.catalogue {
  margin-top: clamp(32px, 5vw, 56px); padding: clamp(24px, 4vw, 40px);
  border: 1px solid color-mix(in srgb, var(--on-espresso) 22%, transparent);
  display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: center; justify-content: space-between;
}
.catalogue p { font-size: 1.1rem; max-width: 52ch; }
.materials .btn { background: var(--on-espresso); color: var(--espresso); border-color: var(--on-espresso); }
.materials .btn:hover { background: transparent; color: var(--on-espresso); }

/* industries */
.industries { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.industries span { border: 1px solid color-mix(in srgb, var(--on-espresso) 25%, transparent); padding: 6px 12px; font-size: 0.88rem; border-radius: 99px; }

/* made in italy */
.italy { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(28px, 6vw, 72px); align-items: center; }
.italy .text { display: grid; gap: 20px; min-width: 0; }
.map { background: #ffffff; padding: clamp(8px, 2vw, 20px); border: 1px solid var(--line); margin: 0; }
.map figcaption { color: #6b625c; padding: 10px 4px 0; }
@media (max-width: 860px) { .italy { grid-template-columns: 1fr; } }
.map-col { display: grid; gap: 24px; min-width: 0; }
.supply { font: 500 clamp(1.35rem, 2.4vw, 1.9rem)/1.2 var(--display); letter-spacing: -0.02em; text-wrap: balance; padding-left: 18px; border-left: 3px solid var(--teal); max-width: 30ch; }

/* contact */
.contact { background: var(--panel); }
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 6vw, 80px); }
.contact-grid > * { min-width: 0; }
.contact .text { display: grid; gap: 20px; align-content: start; }
.mail {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  margin-top: 8px; padding: 18px 20px; background: var(--paper); border: 1px solid var(--line);
}
.mail a { font: 600 clamp(1.05rem, 2.4vw, 1.4rem)/1.2 var(--display); text-decoration: none; overflow-wrap: anywhere; }
.mail a:hover { color: var(--teal); }
.copy { margin-left: auto; font: 500 0.72rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 9px 12px; background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: 2px; cursor: pointer; }
.copy:hover { border-color: var(--ink); }
.facts { margin: 0; display: grid; gap: 0; }
.facts div { display: grid; grid-template-columns: 9.5em 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.facts div:first-child { border-top: 1px solid var(--line); }
.facts dt { font: 500 0.72rem/1.9 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 0; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .facts div { grid-template-columns: 1fr; gap: 2px; } }

/* material stats */
.mat-stats { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid color-mix(in srgb, var(--on-espresso) 18%, transparent); }
.mat-stats div { padding: 14px 16px; display: grid; gap: 4px; align-content: start; }
.mat-stats div + div { border-left: 1px solid color-mix(in srgb, var(--on-espresso) 18%, transparent); }
.mat-stats b { font: 600 1.7rem/1 var(--display); color: var(--on-espresso); letter-spacing: -0.02em; }
.mat-stats span { font-size: 0.85rem; color: var(--on-espresso-muted); }
@media (max-width: 440px) { .mat-stats { grid-template-columns: 1fr; } .mat-stats div + div { border-left: 0; border-top: 1px solid color-mix(in srgb, var(--on-espresso) 18%, transparent); } }

/* sample replication */
.sample { background: var(--deep); color: var(--on-photo); }
.sample .label, .sample p { color: var(--on-photo-muted); }
.sample-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.sample .text { display: grid; gap: 22px; min-width: 0; }
.sample h2 { font-size: clamp(2rem, 4vw, 3.3rem); }
.sample .btn { background: var(--on-photo); color: var(--deep); border-color: var(--on-photo); }
.sample .btn:hover { background: transparent; color: var(--on-photo); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; min-width: 0; }
.steps li { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding-block: 22px; border-top: 1px solid var(--on-photo-line); }
.steps li:last-child { border-bottom: 1px solid var(--on-photo-line); }
.steps b { font: 600 2.4rem/1 var(--display); color: var(--on-photo); }
.steps h3 { font-size: 1.2rem; margin-bottom: 6px; }
.steps div { min-width: 0; }
@media (max-width: 800px) { .sample-grid { grid-template-columns: 1fr; } }

/* italian chain */
.chain { list-style: none; margin: 4px 0 8px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.chain li { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); font: 600 1.05rem/1.3 var(--display); }
.chain li:nth-child(odd) { padding-right: 20px; }
.chain li:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--line); }
.chain em { font: 500 0.7rem/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; font-style: normal; color: var(--teal); }
@media (max-width: 440px) { .chain { grid-template-columns: 1fr; } .chain li:nth-child(n) { padding-inline: 0; border-left: 0; } }

footer { padding-block: 28px; border-top: 1px solid var(--line); font-size: 0.86rem; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer a { color: var(--muted); }

[hidden] { display: none !important; }
/* text pages (legal, privacy) */
.doc { padding-block: 128px 80px; }
.doc .wrap { max-width: 820px; display: grid; gap: 18px; }
.doc h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 8px; }
.doc h2 { font-size: 1.3rem; margin-top: 18px; }
.doc p, .doc li { color: var(--muted); }
.doc ul { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }
.doc .facts { margin-top: 8px; }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0 8px; width: 100%; }