/* cristianalmasio.eu — stile principale */
:root {
  /* palette blu & argento */
  --bg: #15233b;              /* blu notte, più chiaro */
  --bg-elev: #1b2c48;
  --bg-card: #203352;
  --line: #2c4166;
  --line-strong: #3d5680;
  --text: #f1f4f8;
  --text-dim: #b7c2d3;
  --text-faint: #8593aa;
  --accent: #5b9bff;          /* blu */
  --accent-hover: #7cb0ff;
  --accent-ink: #ffffff;      /* testo sui pulsanti blu */
  --silver: #d6dce5;          /* argento */
  --silver-dim: #a3aebd;
  --silver-grad: linear-gradient(135deg, #ffffff 0%, #c9d1dc 30%, #8e99a8 52%, #e6ebf1 74%, #aeb8c6 100%);
  --silver-line: linear-gradient(90deg, rgba(214,220,229,0), #e6ebf1 30%, #8e99a8 60%, rgba(214,220,229,0));
  --accent-soft: rgba(91, 155, 255, 0.16);
  --radius: 14px;
  --max: 1120px;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", "SF Mono", Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* griglia di sfondo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  opacity: 0.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -999px; top: 8px;
  background: var(--accent); color: var(--bg); padding: 8px 14px; border-radius: 8px;
}
.skip:focus { left: 16px; z-index: 100; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(21, 35, 59, 0.82);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: var(--silver-line); opacity: .7;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--text); font-weight: 600; letter-spacing: 0.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: 9px;
  border: 1px solid rgba(255,255,255,.55);
  background: var(--silver-grad);
  font-family: var(--mono); font-size: 14px; font-weight: 700; color: #15233b;
  box-shadow: 0 2px 10px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.8);
}
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--text-dim); font-size: 15px; }
.nav a:hover { color: var(--text); text-decoration: none; }
.lang {
  display: flex; border: 1px solid var(--line-strong); border-radius: 8px; overflow: hidden;
  font-family: var(--mono); font-size: 13px;
}
.lang a, .lang span { padding: 5px 10px; color: var(--text-dim); }
.lang span[aria-current] { background: var(--accent-soft); color: var(--accent); }
.lang a:hover { color: var(--text); text-decoration: none; background: var(--bg-card); }

/* ---------- hero ---------- */
.hero { padding: 28px 0 110px; }
.prompt {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 14px; color: var(--text-dim);
  border: 1px solid var(--line-strong); background: var(--bg-elev);
  padding: 7px 14px; border-radius: 999px;
  margin-bottom: 32px;
  max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.prompt .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none;
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.prompt b { color: var(--accent); font-weight: 500; }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.06; letter-spacing: -0.03em; font-weight: 700;
  margin: 0 0 24px; max-width: 15ch;
}
.hero h1 .grad {
  background: linear-gradient(90deg, var(--accent) 0%, #8fb4ff 45%, var(--silver) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-dim); max-width: 50ch; margin: 0 0 40px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: 1px solid var(--line-strong); color: var(--text); background: var(--bg-card);
  transition: border-color .2s, background .2s, transform .2s;
}
.btn:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-silver {
  background: var(--silver-grad); color: #15233b; border-color: rgba(255,255,255,.6);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 2px 12px rgba(0,0,0,.2);
}
.btn-silver:hover { border-color: #fff; filter: brightness(1.06); }

.pillars {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  margin-top: 88px; border: 1px solid rgba(214,220,229,.45); border-radius: var(--radius);
  background: rgba(214,220,229,.35); overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.pillars div { background: rgba(27, 44, 72, .88); padding: 22px 24px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.pillars .k { font-family: var(--mono); font-size: 12px; color: var(--silver-dim); letter-spacing: .08em; text-transform: uppercase; }
.pillars .v { font-weight: 600; margin-top: 4px; color: var(--silver); }

/* ---------- sezioni ---------- */
section { scroll-margin-top: 80px; }
.section { padding: 100px 0; border-top: 1px solid var(--line); }
.eyebrow {
  font-family: var(--mono); font-size: 13px; color: var(--accent);
  letter-spacing: .08em; text-transform: uppercase; margin: 0 0 14px;
}
.section h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem); line-height: 1.15; letter-spacing: -0.02em;
  margin: 0 0 20px; max-width: 22ch;
}
.section .intro { color: var(--text-dim); max-width: 62ch; margin: 0 0 56px; }

/* chi sono */
.about { display: grid; grid-template-columns: 1.3fr 1fr; gap: 64px; align-items: start; }
.about p { color: var(--text-dim); margin: 0 0 18px; }
.about p strong { color: var(--text); font-weight: 600; }
.principles { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.principles li {
  border: 1px solid var(--line); background: var(--bg-elev); border-radius: 12px;
  padding: 18px 20px;
}
.principles .n { font-family: var(--mono); font-size: 12px; color: var(--silver-dim); }
.principles h3 { font-size: 16px; margin: 4px 0 4px; }
.principles p { font-size: 15px; margin: 0; color: var(--text-dim); }

/* servizi */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  position: relative;
  border: 1px solid var(--line); background: var(--bg-card); border-radius: var(--radius);
  padding: 32px 28px; transition: border-color .25s, transform .25s;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card::before {
  content: ""; position: absolute; top: -1px; left: 28px; right: 28px; height: 1px;
  background: var(--silver-line); opacity: .9;
}
.icon {
  width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center;
  background: var(--silver-grad); color: #1d4ed8; margin-bottom: 22px;
  border: 1px solid rgba(255,255,255,.6);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 4px 14px rgba(0,0,0,.25);
}
.icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 1.25rem; margin: 0 0 10px; letter-spacing: -0.01em; }
.card > p { color: var(--text-dim); font-size: 15.5px; margin: 0 0 22px; }
.card ul { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.card li {
  font-size: 15px; padding: 10px 0 10px 22px; border-bottom: 1px solid var(--line);
  position: relative; color: var(--text);
}
.card li:last-child { border-bottom: 0; }
.card li::before {
  content: "›"; position: absolute; left: 4px; top: 9px;
  font-family: var(--mono); color: var(--accent);
}

/* foto */
.hero, .section { position: relative; overflow: hidden; }
.hero > .wrap, .section > .wrap { position: relative; z-index: 1; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  width: 100%; height: 100%; object-fit: cover; object-position: center 12%;
}
.hero-bg-flip { transform: scaleX(-1); }
@media (min-width: 721px) {
  .hero-bg {
    bottom: auto; height: min(100%, 940px);
    -webkit-mask-image: linear-gradient(#000 72%, transparent);
    mask-image: linear-gradient(#000 72%, transparent);
  }
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(21,35,59,.93) 0%, rgba(21,35,59,.72) 35%, rgba(21,35,59,.2) 62%, rgba(21,35,59,.08) 100%),
    linear-gradient(180deg, rgba(21,35,59,0) 60%, var(--bg) 100%);
}
.split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; margin-bottom: 56px; }
.split .intro { margin-bottom: 0; }
.photo {
  position: relative; margin: 0; border-radius: 18px; padding: 2px;
  background: var(--silver-grad);
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}
.photo img {
  display: block; width: 100%; height: 300px; object-fit: cover; border-radius: 16px;
}
.photo::after {
  content: ""; position: absolute; inset: 2px; border-radius: 16px; pointer-events: none;
  background: linear-gradient(160deg, rgba(91,155,255,.18), rgba(21,35,59,.25));
}

/* numeri chiave nella hero */
.pillars.stats .v {
  font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -0.02em; margin: 2px 0 2px;
  background: var(--silver-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pillars.stats .d { font-size: 14px; color: var(--text-dim); }

/* ambiti / settori */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.chips li {
  font-size: 14px; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--bg-elev); color: var(--silver);
}
.chips li.hl { border-color: rgba(77,141,255,.5); color: var(--text); background: var(--accent-soft); }
.domains { display: grid; grid-template-columns: repeat(6, 1fr); gap: 28px 24px; margin-top: 20px; }
.domain { grid-column: span 2; }
.domain:nth-child(4), .domain:nth-child(5) { grid-column: span 3; }
.domain { position: relative; padding-top: 18px; }
.domain::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--silver-grad); border-radius: 2px; }
.domain h3 { font-size: 15px; font-family: var(--mono); font-weight: 600; color: var(--silver); margin: 0 0 12px; letter-spacing: .02em; }

/* percorso */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(var(--silver), var(--silver-dim) 60%, var(--line-strong));
}
.timeline li { position: relative; padding: 0 0 26px 34px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 15px; height: 15px; border-radius: 50%;
  background: var(--silver-grad); border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--silver-dim);
}
.timeline .y { font-family: var(--mono); font-size: 13px; color: var(--silver-dim); }
.timeline h3 { font-size: 16px; margin: 2px 0 2px; }
.timeline .co { color: var(--silver); font-size: 15px; }
.timeline p { font-size: 15px; color: var(--text-dim); margin: 6px 0 0; }
.edu { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; color: var(--text-dim); }
.edu strong { color: var(--text); }

/* risultati */
.results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.result {
  border: 1px solid var(--line); background: var(--bg-card); border-radius: var(--radius); padding: 28px;
}
.result .k { font-family: var(--mono); font-size: 12px; color: var(--silver-dim); letter-spacing: .08em; text-transform: uppercase; }
.result h3 { font-size: 1.15rem; margin: 6px 0 14px; }
.result p { color: var(--text-dim); font-size: 15px; margin: 0 0 14px; }
.result .chips li { font-size: 13px; padding: 5px 12px; }

/* contatti */
.contact {
  border: 1px solid rgba(214,220,229,.5); border-radius: 20px;
  background:
    radial-gradient(ellipse at top right, rgba(77,141,255,.16), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(201,209,220,.06), transparent 55%),
    var(--bg-elev);
  padding: 56px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center;
}
.contact h2 { margin-bottom: 12px; }
.contact p { color: var(--text-dim); margin: 0; }
.contact .links { display: grid; gap: 12px; }
.contact .links .btn { justify-content: space-between; }
.contact .links .btn span { font-family: var(--mono); font-size: 13px; color: var(--text-dim); font-weight: 400; }
.contact .links .btn-primary span { color: rgba(255,255,255,.8); }
.contact .links .btn-silver span { color: #3a4a63; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 48px; margin-top: 100px; }
.site-footer .wrap {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 14px; color: var(--text-faint);
}
.site-footer .mono { font-family: var(--mono); }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .services, .results { grid-template-columns: 1fr; }
  .domains { grid-template-columns: 1fr 1fr; gap: 24px; }
  .domain, .domain:nth-child(4), .domain:nth-child(5) { grid-column: auto; }
  .about { grid-template-columns: 1fr; gap: 40px; }
  .split { grid-template-columns: 1fr; gap: 28px; margin-bottom: 40px; }
  .photo img { height: 220px; }
  .contact { grid-template-columns: 1fr; padding: 36px 28px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav .nav-link { display: none; }
  .hero { padding: 24px 0 72px; }
  .pillars { grid-template-columns: 1fr; margin-top: 56px; }
  .domains { grid-template-columns: 1fr; gap: 16px; }
  .hero::after { background: linear-gradient(180deg, rgba(21,35,59,.82) 0%, rgba(21,35,59,.9) 70%, var(--bg) 100%); }
  .section { padding: 72px 0; }
  .section .intro { margin-bottom: 36px; }
  .card { padding: 26px 22px; }
}

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