/* ============================================================
   visu-tech — design tokens & base styles
   ============================================================ */

:root {
  --hue-start: 248;          /* blue */
  --hue-end: 295;             /* violet */
  --scroll: 0;                /* 0..1, set by JS */
  --hue: calc(var(--hue-start) + (var(--hue-end) - var(--hue-start)) * var(--scroll));

  /* base surfaces */
  --bg-0: oklch(0.07 0.02 var(--hue));
  --bg-1: oklch(0.09 0.03 var(--hue));
  --bg-2: oklch(0.13 0.04 var(--hue));
  --surface: oklch(0.16 0.04 var(--hue) / 0.55);
  --border: oklch(0.32 0.05 var(--hue) / 0.45);
  --border-strong: oklch(0.55 0.10 var(--hue) / 0.55);

  /* text */
  --text: oklch(0.97 0.01 var(--hue));
  --text-dim: oklch(0.70 0.03 var(--hue));
  --text-mute: oklch(0.52 0.03 var(--hue));

  /* accents */
  --accent-blue: oklch(0.72 0.17 248);
  --accent-violet: oklch(0.68 0.22 295);
  --accent: oklch(0.70 0.20 var(--hue));
  --accent-soft: oklch(0.70 0.20 var(--hue) / 0.18);

  /* type — one tech/futuristic family, multiple weights */
  --f-main: "Chakra Petch", "Sora", ui-sans-serif, system-ui, sans-serif;
  --f-display: var(--f-main);
  --f-body: var(--f-main);
  --f-mono: var(--f-main);
  --fs-body: 16px;
  --fs-label: 16px;

  /* layout */
  --pad-x: clamp(20px, 5vw, 64px);
  --max-w: 1320px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--f-main);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  overflow-x: clip;       /* clip (not hidden) so position:sticky still works */
}

body {
  min-height: 100vh;
  position: relative;
  font-feature-settings: "ss01", "ss02", "cv01", "tnum";
}

/* canvas background */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
}

/* gradient nebula overlay — colors shift with scroll */
.bg-nebula {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(60vw 50vh at calc(20% + var(--scroll) * 30%) calc(30% - var(--scroll) * 20%),
      oklch(0.45 0.22 var(--hue) / 0.30), transparent 60%),
    radial-gradient(70vw 60vh at calc(80% - var(--scroll) * 20%) calc(70% + var(--scroll) * 10%),
      oklch(0.42 0.25 calc(var(--hue) + 40) / 0.28), transparent 65%),
    radial-gradient(40vw 30vh at 50% 100%,
      oklch(0.50 0.20 calc(var(--hue) - 20) / 0.20), transparent 70%);
  mix-blend-mode: screen;
  transition: opacity .3s ease;
}

/* subtle vertical gradient that gets darker at the top of next section */
.bg-vignette {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg,
    transparent 0%, transparent 60%,
    oklch(0.05 0.02 var(--hue) / 0.55) 100%);
}

/* film grain */
.bg-grain {
  position: fixed; inset: 0; z-index: 3; pointer-events: none;
  opacity: .07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--pad-x);
  background: linear-gradient(180deg, oklch(0.07 0.03 var(--hue) / 0.85), oklch(0.07 0.03 var(--hue) / 0));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease, padding .3s ease;
}
.nav.scrolled {
  border-bottom: 1px solid var(--border);
  background: oklch(0.07 0.03 var(--hue) / 0.78);
  padding: 16px var(--pad-x);
}
.nav-logo {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--f-main);
  font-weight: 600;
  font-size: clamp(20px, 1.8vw, 26px);
  letter-spacing: -0.025em;
  color: var(--text);
  text-decoration: none;
}
.nav-logo .brand { padding-right: 0.04em; margin-right: -0.02em; }
.nav-mark {
  width: 40px; height: 40px;
  position: relative;
  display: grid; place-items: center;
  filter: drop-shadow(0 0 12px oklch(0.65 0.22 var(--hue) / 0.55));
  transition: transform .4s cubic-bezier(.2,.7,.2,1), filter .4s ease;
}
.nav-mark::before {
  content: "";
  position: absolute; inset: -4px;
  border-radius: 14px;
  background: radial-gradient(circle, oklch(0.55 0.22 var(--hue) / 0.18), transparent 70%);
  pointer-events: none;
}
.nav-mark svg { width: 100%; height: 100%; position: relative; }
.nav-logo:hover .nav-mark {
  transform: rotate(-8deg) scale(1.05);
  filter: drop-shadow(0 0 18px oklch(0.65 0.22 var(--hue) / 0.85));
}

.nav-links {
  display: flex; gap: 32px; align-items: center;
  font-size: var(--fs-body); color: var(--text);
  font-family: var(--f-main);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.nav-links a {
  color: inherit; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  opacity: 0.85;
  transition: opacity .2s ease, color .2s ease;
}
.nav-links a:hover { opacity: 1; color: var(--accent); }
.nav-links .num {
  color: var(--text-mute);
  font-size: 12px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.nav-cta {
  font-family: var(--f-main);
  font-size: var(--fs-body);
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: oklch(0.20 0.04 var(--hue) / 0.4);
  color: var(--text);
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.nav-cta:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: translateY(-1px);
}

@media (max-width: 760px) {
  .nav-links { display: none; }
}

/* ============================================================
   SHARED — eyebrow, headings
   ============================================================ */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--f-main);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

/* Brand wordmark — gradient blue→violet, matches the .em accents.
   Applied wherever "visu-tech" appears in copy. */
.brand {
  background: linear-gradient(120deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
  font-weight: 500;
  display: inline-block;
  padding-right: 0.08em;
  margin-right: -0.04em;
}

h1, h2, h3, h4 {
  font-family: var(--f-main);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--text);
  /* never break inside a word — wrap only at spaces */
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
  -webkit-hyphens: none;
}

/* global: no hyphenation, no mid-word breaks anywhere */
html {
  hyphens: none;
  -webkit-hyphens: none;
}
body, p, li, span, a, button {
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

/* Gradient italic text inside headings.
   background-clip:text + italic descenders can clip on the right —
   adding a tiny right padding + inline-block keeps the glyph fully painted. */
h1 .italic, h1 .stroke,
h2 em, h3 em {
  display: inline-block;
  padding-right: 0.12em;
  margin-right: -0.06em;
}

.section {
  position: relative;
  z-index: 5;
  padding: clamp(80px, 12vh, 140px) var(--pad-x);
  overflow: hidden;          /* contain decorative bleeds, prevent right clip */
}
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* reveal helper */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
.reveal.d5 { transition-delay: .40s; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  z-index: 5;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  padding: 120px var(--pad-x) 80px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.hero-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 56px;
  font-family: var(--f-main);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  color: var(--text-mute);
  text-transform: uppercase;
  font-weight: 500;
}
.hero-top .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 99px;
  background: oklch(0.75 0.18 145);
  box-shadow: 0 0 10px oklch(0.75 0.18 145 / 0.7);
  margin-right: 8px; vertical-align: middle;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  position: relative;
  gap: 40px;
  min-height: 60vh;
}

/* Desktop: hero-art is LARGE and overlaps the text. Text sits on top via z-index. */
@media (min-width: 981px) {
  .hero-grid > div:first-child,
  .hero-art {
    grid-column: 1;
    grid-row: 1;
  }
  .hero-grid > div:first-child {
    position: relative;
    z-index: 2;
    max-width: 68%;
    padding-right: 24px;
  }
  .hero-art {
    position: relative;
    z-index: 0;
    width: clamp(560px, 64vw, 920px);
    max-width: none;
    justify-self: end;
    margin-right: -4%;
    pointer-events: none;
    /* soft mask so the art fades where it crosses behind the text */
    -webkit-mask-image: radial-gradient(
      circle at 70% 50%,
      black 40%, black 55%, rgba(0,0,0,0.85) 70%, rgba(0,0,0,0.6) 88%, transparent 100%);
            mask-image: radial-gradient(
      circle at 70% 50%,
      black 40%, black 55%, rgba(0,0,0,0.85) 70%, rgba(0,0,0,0.6) 88%, transparent 100%);
  }
}

.hero h1 {
  font-size: clamp(40px, 6.4vw, 96px);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 500;
}
.hero h1 .italic {
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(120deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  padding-right: 0.05em;
}
.hero h1 .stroke {
  -webkit-text-stroke: 1px oklch(0.85 0.05 var(--hue) / 0.7);
  color: transparent;
}

.hero-sub {
  margin-top: 28px;
  max-width: 540px;
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text-dim);
}

.hero-actions {
  margin-top: 40px;
  display: flex; gap: 14px; flex-wrap: wrap;
}
.btn {
  font-family: var(--f-main);
  font-size: var(--fs-body);
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: oklch(0.18 0.04 var(--hue) / 0.4);
  color: var(--text);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 10px;
  cursor: pointer;
  transition: transform .2s ease, background .25s ease, border-color .25s ease, box-shadow .3s ease;
}
.btn:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 8px 32px oklch(0.55 0.22 var(--hue) / 0.35);
}
.btn-primary {
  background: linear-gradient(135deg,
    oklch(0.55 0.22 248),
    oklch(0.55 0.22 295));
  border-color: transparent;
  color: white;
  box-shadow: 0 8px 28px oklch(0.55 0.22 var(--hue) / 0.45),
              inset 0 1px 0 oklch(1 0 0 / 0.2);
}
.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 12px 40px oklch(0.55 0.22 var(--hue) / 0.6),
              inset 0 1px 0 oklch(1 0 0 / 0.25);
}
.btn .arrow {
  display: inline-block;
  transition: transform .25s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* hero centerpiece */
.hero-art {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 560px;
  justify-self: end;
}
@media (max-width: 980px) {
  .hero-art {
    justify-self: center;
    width: min(86vw, 520px);
    max-width: 520px;
  }
}
.hero-art canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.hero-art-label {
  position: absolute;
  bottom: 4%; right: 6%;
  font-family: var(--f-main);
  font-size: var(--fs-label);
  color: var(--text-mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  background: oklch(0.08 0.03 var(--hue) / 0.6);
  padding: 6px 10px;
  border-radius: 6px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero-art-label::before {
  content: "▣ ";
  color: var(--accent);
}

.hero-meta {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 520px;
  font-family: var(--f-main);
  font-size: var(--fs-label);
  color: var(--text-mute);
}
@media (max-width: 760px) {
  .hero-meta { grid-template-columns: repeat(2, 1fr); }
}
.hero-meta div {
  border-top: 1px solid var(--border);
  padding-top: 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.hero-meta .v {
  font-family: var(--f-main);
  font-size: clamp(24px, 2.2vw, 30px);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
}

/* scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--f-main);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  color: var(--text-mute);
  text-transform: uppercase;
  font-weight: 500;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  pointer-events: none;
}
.scroll-cue .line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: drop 2.2s ease-in-out infinite;
}
@keyframes drop {
  0% { transform: translateY(-100%); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translateY(100%); opacity: 0; }
}

/* ============================================================
   SERVIZI
   ============================================================ */
.servizi-head {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 64px;
}
@media (max-width: 860px) { .servizi-head { grid-template-columns: 1fr; } }

.servizi-head h2 {
  font-size: clamp(32px, 4vw, 56px);
}
.servizi-head h2 em {
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(120deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.servizi-head p {
  font-size: var(--fs-body);
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 520px;
}

.servizi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}
@media (max-width: 980px) { .servizi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .servizi-grid { grid-template-columns: 1fr; } }

.service {
  background: oklch(0.09 0.03 var(--hue) / 0.85);
  padding: 36px 30px 30px;
  position: relative;
  min-height: 280px;
  display: flex; flex-direction: column;
  cursor: default;
  transition: background .35s ease;
  overflow: hidden;
}
.service:hover {
  background: oklch(0.13 0.04 var(--hue) / 0.95);
}
.service .num {
  font-family: var(--f-main);
  font-size: var(--fs-label);
  color: var(--text-mute);
  letter-spacing: 0.04em;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  margin-bottom: 24px;
}
.service .glyph {
  width: 56px; height: 56px;
  margin-bottom: 28px;
  position: relative;
}
.service .glyph svg {
  width: 100%; height: 100%;
  stroke: var(--accent);
  stroke-width: 1.2;
  fill: none;
  filter: drop-shadow(0 0 6px oklch(0.65 0.20 var(--hue) / 0.5));
  transition: transform .6s cubic-bezier(.2,.7,.2,1);
}
.service:hover .glyph svg {
  transform: rotate(45deg) scale(1.05);
}
.service h3 {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.service p {
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text-dim);
}
.service::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(200px 160px at var(--mx, 50%) var(--my, 50%),
    oklch(0.65 0.22 var(--hue) / 0.18), transparent 60%);
  opacity: 0;
  transition: opacity .3s ease;
}
.service:hover::after { opacity: 1; }

/* ============================================================
   PROCESSO — pinned (desktop) / stacked (mobile)
   ============================================================ */
.processo {
  position: relative;
  background: linear-gradient(180deg,
    transparent,
    oklch(0.05 0.03 var(--hue) / 0.5) 20%,
    oklch(0.05 0.03 var(--hue) / 0.5) 80%,
    transparent);
}

/* ----- desktop pinned layout (>= 861px) ----- */
@media (min-width: 861px) {
  .processo-wrap {
    height: 380vh;
    position: relative;
  }
  .processo-pin {
    position: sticky;
    top: 0;
    height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr;
    padding: 100px var(--pad-x) 40px;
    max-width: var(--max-w);
    margin: 0 auto;
  }
  .processo-panel { position: relative; min-height: 0; }
  .processo-step {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .55s ease, transform .55s ease;
    pointer-events: none;
  }
  .processo-step.active {
    opacity: 1; transform: none; pointer-events: auto;
  }
  .processo-rail button { cursor: pointer; }
}

/* ----- mobile / tablet: NO pinning, everything stacked ----- */
@media (max-width: 860px) {
  .processo-wrap {
    height: auto;
    position: relative;
  }
  .processo-pin {
    position: relative;
    top: auto;
    height: auto;
    padding: 80px var(--pad-x) 40px;
    max-width: var(--max-w);
    margin: 0 auto;
    display: block;
  }
  .processo-stage {
    display: block;
  }
  /* hide the side rail on mobile — each step has its own header */
  .processo-rail { display: none; }
  .processo-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 60px;
  }
  .processo-step {
    position: relative;
    inset: auto;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
  }
  /* mobile step label/number badge */
  .processo-step::before {
    content: attr(data-step-label);
    font-family: var(--f-main);
    font-size: var(--fs-label);
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
  .processo-visual {
    max-width: 280px;
    align-self: center;
  }
}
.processo-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 50px;
  align-items: end;
}
@media (max-width: 860px) { .processo-head { grid-template-columns: 1fr; } }
.processo-head h2 {
  font-size: clamp(32px, 4vw, 56px);
}
.processo-head h2 em {
  font-style: italic; font-weight: 400;
  background: linear-gradient(120deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.processo-stage {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
  min-height: 0;
}
@media (max-width: 860px) { .processo-stage { grid-template-columns: 1fr; } }

.processo-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--f-main);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  font-weight: 500;
  text-transform: uppercase;
}
.processo-rail button {
  background: none; border: none;
  color: var(--text-mute);
  font: inherit;
  text-align: left;
  display: flex; align-items: center; gap: 12px;
  padding: 6px 0;
  cursor: pointer;
  transition: color .3s ease;
  border-left: 1px solid var(--border);
  padding-left: 14px;
}
.processo-rail button .step-n {
  font-size: var(--fs-label);
  color: var(--text-mute);
  font-variant-numeric: tabular-nums;
}
.processo-rail button.active {
  color: var(--text);
  border-left-color: var(--accent);
  box-shadow: -1px 0 0 var(--accent);
}
.processo-rail button.active .step-n { color: var(--accent); }

.processo-panel {
  position: relative;
  min-height: 0;
}
.processo-step h3 {
  font-size: clamp(26px, 2.8vw, 38px);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.processo-step p {
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 440px;
}
.processo-step ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 12px;
  margin-top: 24px;
  font-family: var(--f-main);
  font-size: var(--fs-body);
  color: var(--text-dim);
}
.processo-step li {
  display: grid; grid-template-columns: 20px 1fr; gap: 10px;
}
.processo-step li::before {
  content: "+";
  color: var(--accent);
  font-weight: 700;
}

.processo-visual {
  aspect-ratio: 1 / 1;
  max-width: 380px;
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  position: relative;
  display: grid; place-items: center;
  background:
    radial-gradient(circle at 50% 50%, oklch(0.20 0.06 var(--hue) / 0.6), transparent 70%),
    oklch(0.08 0.03 var(--hue) / 0.5);
  overflow: hidden;
}
.processo-visual svg {
  width: 70%; height: 70%;
  stroke: var(--accent);
  stroke-width: 1;
  fill: none;
  filter: drop-shadow(0 0 14px oklch(0.65 0.22 var(--hue) / 0.55));
}
.processo-progress {
  position: absolute;
  bottom: 20px; right: 20px;
  font-family: var(--f-main);
  font-size: var(--fs-label);
  color: var(--text-mute);
  letter-spacing: 0.04em;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   STACK
   ============================================================ */
.stack-head { margin-bottom: 56px; max-width: 720px; }
.stack-head h2 {
  font-size: clamp(32px, 4vw, 56px);
  margin-top: 18px;
}
.stack-head h2 em {
  font-style: italic; font-weight: 400;
  background: linear-gradient(120deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.stack-head p {
  margin-top: 18px;
  color: var(--text-dim);
  font-size: var(--fs-body);
  line-height: 1.6;
}

.stack-groups {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}
@media (max-width: 1080px) { .stack-groups { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .stack-groups { grid-template-columns: 1fr; } }
.stack-group {
  background: oklch(0.09 0.03 var(--hue) / 0.85);
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 18px;
  min-height: 240px;
}
.stack-group .label {
  font-family: var(--f-main);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex; align-items: center; gap: 10px;
}
.stack-group .label::before {
  content: ""; width: 8px; height: 8px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  transform: rotate(45deg);
}
.stack-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.tag {
  font-family: var(--f-main);
  font-size: var(--fs-body);
  font-weight: 400;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  background: oklch(0.13 0.04 var(--hue) / 0.5);
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}
.tag:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

/* marquee underneath */
.marquee {
  margin-top: 80px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}
.marquee-track {
  display: flex; gap: 64px;
  width: max-content;
  animation: marquee 40s linear infinite;
  font-family: var(--f-main);
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: -0.02em;
  align-items: center;
}
.marquee-track span {
  display: inline-flex; align-items: center; gap: 64px;
}
.marquee-track .dot {
  width: 8px; height: 8px; border-radius: 99px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   CONTATTI
   ============================================================ */
.contatti {
  position: relative;
  padding: clamp(120px, 18vh, 200px) var(--pad-x);
  text-align: center;
}
.contatti-inner {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}
.contatti h2 {
  font-size: clamp(44px, 6.4vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.contatti h2 em {
  font-style: italic; font-weight: 400;
  background: linear-gradient(120deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.contatti p {
  font-size: var(--fs-body);
  color: var(--text-dim);
  max-width: 540px;
  margin: 0 auto 44px;
  line-height: 1.6;
}
.contact-card {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  text-align: left;
}
@media (max-width: 600px) { .contact-card { grid-template-columns: 1fr; } }
.contact-cell {
  background: oklch(0.09 0.03 var(--hue) / 0.85);
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 8px;
}
.contact-cell .k {
  font-family: var(--f-main);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-mute);
}
.contact-cell .v {
  font-family: var(--f-main);
  font-size: var(--fs-body);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.015em;
}
.contact-cell a {
  color: inherit; text-decoration: none;
  transition: color .2s ease;
}
.contact-cell a:hover { color: var(--accent); }

/* Footer */
.foot {
  border-top: 1px solid var(--border);
  padding: 32px var(--pad-x);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--f-main);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-mute);
  position: relative; z-index: 5;
}
.foot a { color: inherit; text-decoration: none; }
.foot a:hover { color: var(--text); }

/* ============================================================
   Section starter — number tag
   ============================================================ */
.section-tag {
  position: absolute;
  top: 36px; right: var(--pad-x);
  font-family: var(--f-main);
  font-size: var(--fs-label);
  color: var(--text-mute);
  letter-spacing: 0.06em;
  font-weight: 500;
  text-transform: uppercase;
}

/* ============================================================
   Big-typo intro card (between hero/servizi)
   ============================================================ */
.intro-strip {
  position: relative; z-index: 5;
  padding: clamp(80px, 14vh, 160px) var(--pad-x);
  max-width: var(--max-w); margin: 0 auto;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.intro-strip-inner {
  max-width: 1080px;
}
.intro-strip h2 {
  font-size: clamp(24px, 3vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.intro-strip h2 em {
  font-style: italic; font-weight: 400;
  background: linear-gradient(120deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.intro-strip .side {
  font-family: var(--f-main);
  font-size: var(--fs-label);
  color: var(--text-mute);
  letter-spacing: 0.06em;
  font-weight: 500;
  text-transform: uppercase;
  padding-top: 8px;
}