/* ============================================================================
   Stile del calcolatore: linguaggio visivo del design system GLOBIA
   (feel "instrument / certified readout"): navy substrate, oro come marker,
   serif Cormorant per i numeri, Inter per il testo, card singola, dark+light.
   Tutti i colori passano da CSS variables (regola "tokens-only" di GLOBIA).
   Riuso dello STILE, non del brand: nessun logo/nome GLOBIA (submission Jet HR).
   ============================================================================ */

:root,
:root[data-theme="dark"] {
  --bg: #091228;
  --bg-elevated: #0C1838;
  --surface: #0E1A40;
  --surface-2: #162555;

  --text: #F2EFE3;
  --text-muted: rgba(242, 239, 227, 0.58);
  --text-dim: rgba(242, 239, 227, 0.32);

  --accent: #4A7BE7;
  --accent-soft: #7FA3F2;
  --accent-rgb: 74, 123, 231;

  --gold: #C9A968;
  --gold-soft: #E8D094;
  --gold-rgb: 201, 169, 104;

  --border: rgba(127, 163, 242, 0.10);
  --border-strong: rgba(127, 163, 242, 0.20);
  --border-gold: rgba(201, 169, 104, 0.22);

  --neg: #E8B4B4;
  --pos: var(--gold-soft);

  --card-bg-a: rgba(var(--accent-rgb), 0.035);
  --card-bg-b: rgba(242, 239, 227, 0.012);

  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;

  /* spacing scale GLOBIA */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px;
  --space-4: 16px; --space-5: 24px; --space-6: 32px;
  --app-max: 920px;
  --radius: 14px;
}

/* --- tema chiaro (token set completo, oro "deepened" sul fondo chiaro) --- */
:root[data-theme="light"] {
  --bg: #F4F1E9;
  --bg-elevated: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #EFEADD;

  --text: #1C2438;
  --text-muted: rgba(28, 36, 56, 0.62);
  --text-dim: rgba(28, 36, 56, 0.38);

  --accent: #2A4FA8;
  --accent-soft: #4A7BE7;
  --accent-rgb: 42, 79, 168;

  --gold: #8C7437;
  --gold-soft: #A8894A;
  --gold-rgb: 140, 116, 55;

  --border: rgba(28, 36, 56, 0.10);
  --border-strong: rgba(28, 36, 56, 0.18);
  --border-gold: rgba(140, 116, 55, 0.28);

  --neg: #A6403F;
  --pos: var(--gold);

  --card-bg-a: rgba(var(--accent-rgb), 0.04);
  --card-bg-b: rgba(28, 36, 56, 0.015);
}

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

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.serif { font-family: var(--serif); }
.gold  { color: var(--gold); }

/* ---- topbar ---- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) clamp(16px, 2.4vw, 36px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.mark { font-family: var(--serif); font-weight: 600; font-size: 20px; letter-spacing: .02em; }
.mark-dot { color: var(--gold); margin: 0 1px; }
.theme-btn {
  background: rgba(var(--accent-rgb), .06); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  width: 38px; height: 38px; font-size: 18px; cursor: pointer;
  transition: background .15s, border-color .15s;
}
.theme-btn:hover { background: rgba(var(--accent-rgb), .12); border-color: var(--border-strong); }

/* ---- layout ---- */
.wrap {
  position: relative; z-index: 1;
  max-width: var(--app-max);
  margin: 0 auto;
  padding: var(--space-6) clamp(16px, 2.4vw, 36px) var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-5);
}

.hero { text-align: center; margin-top: var(--space-4); }
.eyebrow {
  display: block;
  text-transform: uppercase; letter-spacing: .15em;
  font-size: 12px; font-weight: 600; color: var(--text-muted);
}
.hero h1 {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(38px, 7vw, 60px); line-height: 1.05;
  margin: var(--space-3) 0 var(--space-2);
}
.hero .sub { color: var(--text-muted); max-width: 46ch; margin: 0 auto; font-size: 15px; }
.scope-badges { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: var(--space-4); }
.badge {
  font-size: 12.5px; color: var(--text-muted);
  background: rgba(var(--gold-rgb), .06); border: 1px solid var(--border-gold);
  border-radius: 999px; padding: 5px 12px;
}

/* ---- card canonica GLOBIA ---- */
.card {
  border-radius: var(--radius);
  padding: 18px 20px;
  border: 1px solid var(--border-gold);
  background:
    linear-gradient(165deg, var(--card-bg-a), var(--card-bg-b)),
    var(--surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}
.card-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--space-3); margin-bottom: var(--space-4);
}
.card-head h2 { font-family: var(--serif); font-weight: 600; font-size: 22px; }
.meta { text-transform: uppercase; letter-spacing: .15em; font-size: 11px; color: var(--text-dim); white-space: nowrap; }

/* ---- input ---- */
.input-card { display: flex; flex-direction: column; gap: var(--space-3); }
.input-row { display: flex; gap: var(--space-3); align-items: stretch; flex-wrap: wrap; }
.input-euro {
  flex: 1 1 220px; display: flex; align-items: center;
  background: rgba(var(--accent-rgb), .04);
  border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 0 var(--space-4);
}
.input-euro:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .18); }
.euro { font-family: var(--sans); font-weight: 700; font-size: 22px; color: var(--gold); margin-right: var(--space-2); }
#ral {
  flex: 1; background: transparent; border: 0; outline: none;
  color: var(--text); font-family: var(--sans); font-size: 28px; font-weight: 800; letter-spacing: -.01em;
  font-variant-numeric: tabular-nums; padding: 14px 0; width: 100%;
}
.cta {
  flex: 0 0 auto;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #1A1408; font-family: var(--sans); font-weight: 600; font-size: 16px;
  border: 0; border-radius: 10px; padding: 0 var(--space-6); cursor: pointer;
  letter-spacing: .01em; transition: transform .12s, filter .15s;
}
.cta:hover { filter: brightness(1.06); }
.cta:active { transform: translateY(1px); }
.errore { color: var(--neg); font-size: 15px; }

/* ---- slider RAL ---- */
.slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; border-radius: 999px; margin-top: var(--space-2);
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold) var(--fill, 35%), rgba(var(--accent-rgb), .18) var(--fill, 35%), rgba(var(--accent-rgb), .18) 100%);
  cursor: pointer; outline: none;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--gold-soft); border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--border-gold), 0 2px 8px rgba(0,0,0,.35);
  transition: transform .12s;
}
.slider::-webkit-slider-thumb:hover { transform: scale(1.12); }
.slider::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--gold-soft); border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--border-gold); cursor: pointer;
}
.slider-scale { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-dim); margin-top: var(--space-1); }

/* ---- hero beam (sobrio) ---- */
.beam {
  position: fixed; top: -10%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 520px; pointer-events: none; z-index: 0;
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(var(--gold-rgb), .10), transparent 70%),
    radial-gradient(50% 50% at 30% 10%, rgba(var(--accent-rgb), .12), transparent 70%);
  filter: blur(10px);
}

/* ---- data-viz: barra composizione RAL ---- */
.viz-card .stacked-bar {
  display: flex; width: 100%; height: 30px; border-radius: 8px; overflow: hidden;
  background: rgba(var(--accent-rgb), .08); border: 1px solid var(--border);
}
.viz-card .seg { height: 100%; width: 0; transition: width .7s cubic-bezier(.22,.61,.36,1); }
.seg-netto   { background: linear-gradient(180deg, var(--gold-soft), var(--gold)); }
.seg-irpef   { background: var(--accent); }
.seg-contrib { background: #5BB892; }
.seg-add     { background: #B58CE8; }
.legend {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2) var(--space-5);
  margin-top: var(--space-4);
}
.lg { display: flex; align-items: center; gap: var(--space-2); font-size: 14px; }
.lg-txt { color: var(--text-muted); }
.lg-val { margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--text); }
.dot { width: 11px; height: 11px; border-radius: 3px; flex: 0 0 auto; }
.d-netto { background: var(--gold); }
.d-irpef { background: var(--accent); }
.d-contrib { background: #5BB892; }
.d-add { background: #B58CE8; }

/* ---- reveal ---- */
.results { transition: opacity .3s ease; }
.kpi-value { transition: color .2s; }

/* ---- KPI ---- */
.results { display: flex; flex-direction: column; gap: var(--space-5); }
.kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.kpi { display: flex; flex-direction: column; gap: var(--space-2); }
.kpi .eyebrow em { font-style: normal; color: var(--text-dim); font-weight: 500; }
.kpi-value { font-family: var(--sans); font-weight: 800; letter-spacing: -.02em; font-size: clamp(26px, 4vw, 38px); line-height: 1; font-variant-numeric: tabular-nums; }
.kpi-primary { border-color: var(--border-gold); }

/* ---- tabella breakdown ---- */
.breakdown { width: 100%; border-collapse: collapse; font-size: 15px; }
.breakdown td { padding: 11px 4px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.breakdown .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; font-weight: 500; }
.breakdown .neg { color: var(--neg); }
.breakdown .pos { color: var(--pos); }
.row-sub td { color: var(--text-muted); font-style: normal; }
.row-strong td { font-weight: 600; }
.row-final td { border-top: 2px solid var(--border-gold); border-bottom: none; padding-top: 14px; font-size: 18px; }
.row-final .gold { font-family: var(--sans); font-weight: 800; letter-spacing: -.01em; font-size: 21px; }
.tag {
  display: inline-block; margin-left: var(--space-2);
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-dim); border: 1px solid var(--border);
  border-radius: 6px; padding: 1px 6px; vertical-align: middle;
}
.tag-plus { color: var(--gold); border-color: var(--border-gold); }
.aliquota { margin-top: var(--space-4); color: var(--text-muted); font-size: 15px; }
.aliquota strong { color: var(--text); }

/* ---- note / assunzioni ---- */
.notes h3 { font-family: var(--serif); font-weight: 600; font-size: 18px; margin: var(--space-5) 0 var(--space-3); }
.notes ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.notes li { position: relative; padding-left: var(--space-5); font-size: 15px; color: var(--text-muted); }
.notes li::before { content: "•"; position: absolute; left: 0; color: var(--gold); }
.notes li strong { color: var(--text); font-weight: 600; }
.notes .excl li::before { content: "×"; color: var(--neg); }
.disclaimer {
  margin-top: var(--space-5); padding: var(--space-4);
  background: rgba(var(--accent-rgb), .05); border: 1px solid var(--border);
  border-radius: 10px; font-size: 14px; color: var(--text-muted);
}
.disclaimer strong { color: var(--text); }

/* ---- link di navigazione tra pagine (topbar) ---- */
.nav-links { display: flex; align-items: center; gap: var(--space-2); }
.nav-link {
  color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 500;
  padding: 7px 12px; border-radius: 9px; border: 1px solid transparent;
  transition: color .15s, background .15s, border-color .15s;
}
.nav-link:hover { color: var(--text); background: rgba(var(--accent-rgb), .06); }
.nav-link.active { color: var(--gold); border-color: var(--border-gold); }

/* ---- pagina metodologia ---- */
.lead { color: var(--text-muted); font-size: 16px; max-width: 62ch; }
.step {
  display: flex; gap: var(--space-4); align-items: flex-start;
  padding: var(--space-4) 0; border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step-n {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 11px;
  display: grid; place-items: center; font-family: var(--serif); font-weight: 600; font-size: 18px;
  color: var(--gold); background: rgba(var(--gold-rgb), .08); border: 1px solid var(--border-gold);
}
.step-body { flex: 1; min-width: 0; }
.step-body h3 { font-family: var(--serif); font-weight: 600; font-size: 20px; margin-bottom: 2px; }
.step-body .what { color: var(--text-muted); font-size: 15px; margin-bottom: var(--space-3); }
.formula {
  font-family: var(--serif); font-size: 17px; color: var(--text);
  background: rgba(var(--accent-rgb), .06); border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: 8px; padding: 10px 14px; margin: var(--space-2) 0;
  overflow-x: auto; white-space: nowrap;
}
.src { font-size: 13px; color: var(--text-dim); }
.src a { color: var(--accent-soft); text-decoration: none; }
.src a:hover { text-decoration: underline; }
.worked { font-variant-numeric: tabular-nums; }
.worked .breakdown td { font-size: 14px; }
.callout {
  padding: var(--space-4); border-radius: 10px; margin: var(--space-3) 0;
  border: 1px solid var(--border-gold); background: rgba(var(--gold-rgb), .05);
  font-size: 15px; color: var(--text-muted);
}
.callout strong { color: var(--text); }
.sources-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.sources-list li { font-size: 14px; padding-left: var(--space-4); position: relative; }
.sources-list li::before { content: "▪"; position: absolute; left: 0; color: var(--gold); }
.sources-list a { color: var(--accent-soft); text-decoration: none; }
.sources-list a:hover { text-decoration: underline; }

/* ---- pagina Chi sono / portfolio ---- */
.about-hero .role { color: var(--text-muted); font-size: 16px; max-width: 60ch; }
.traction-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4);
  margin-top: var(--space-2);
}
.tr { display: flex; flex-direction: column; gap: 2px; }
.tr .n { font-family: var(--sans); font-weight: 800; font-size: clamp(22px, 3vw, 30px); letter-spacing: -.02em; color: var(--gold); }
.tr .l { font-size: 13px; color: var(--text-muted); }
.proj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.proj {
  display: flex; flex-direction: column; gap: var(--space-2);
  border-radius: var(--radius); padding: 18px 20px;
  border: 1px solid var(--border-gold);
  background: linear-gradient(165deg, var(--card-bg-a), var(--card-bg-b)), var(--surface);
  transition: transform .18s, border-color .18s;
}
.proj:hover { transform: translateY(-3px); border-color: rgba(var(--gold-rgb), .4); }
.proj-head { display: flex; align-items: center; gap: var(--space-3); }
.logo-tile {
  flex: 0 0 auto; width: 52px; height: 52px; border-radius: 13px;
  background: #fff; display: grid; place-items: center;
  box-shadow: 0 2px 10px rgba(0,0,0,.28); border: 1px solid var(--border);
}
.logo-tile img { width: 40px; height: 40px; object-fit: contain; }
.proj .p-cat { text-transform: uppercase; letter-spacing: .15em; font-size: 11px; font-weight: 600; color: var(--text-dim); }
.proj h3 { font-family: var(--serif); font-weight: 600; font-size: 23px; line-height: 1.1; }
.proj .p-desc { font-size: 14.5px; color: var(--text-muted); flex: 1; }
.proj .p-metric {
  font-size: 14px; font-weight: 600; color: var(--gold);
  padding-top: var(--space-2); border-top: 1px solid var(--border);
}
.proj .p-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.p-tag { font-size: 11px; color: var(--text-muted); border: 1px solid var(--border); border-radius: 6px; padding: 2px 8px; }
.proj a.p-link { color: var(--accent-soft); font-size: 13px; text-decoration: none; margin-top: 2px; }
.proj a.p-link:hover { text-decoration: underline; }
.p-links { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: 2px; }
.p-links a { color: var(--accent-soft); font-size: 13px; text-decoration: none; }
.p-links a:hover { text-decoration: underline; }
.proj.placeholder { border-style: dashed; opacity: .85; }
.contatti { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.contatti a {
  display: flex; flex-direction: column; gap: 2px; text-decoration: none;
  color: var(--text); font-weight: 600; font-size: 15px;
  background: rgba(var(--accent-rgb), .05); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 16px; transition: border-color .15s, background .15s;
}
.contatti a:hover { border-color: var(--border-gold); background: rgba(var(--gold-rgb), .06); }
.c-lbl { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-dim); font-weight: 600; }
@media (max-width: 700px) {
  .proj-grid { grid-template-columns: 1fr; }
  .traction-strip { grid-template-columns: repeat(2, 1fr); }
}

footer { text-align: center; color: var(--text-dim); font-size: 13px; padding: var(--space-4) 0; }
footer code { font-family: var(--sans); color: var(--text-muted); background: rgba(var(--accent-rgb), .06); padding: 1px 6px; border-radius: 5px; }

/* ---- responsive ---- */
@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .cta { flex: 1 1 100%; padding: 14px; }
}