/* ============================================================
   Quadra — vetrina · stylesheet condiviso
   Palette: petrolio #06100F · card #162C32 · oro #D4AF37 · avorio #F4EEDD
   Type:    Cormorant Garamond (display) · Inter (UI) · JetBrains Mono (numeri/eyebrows)
   ============================================================ */

:root {
  --bg:        #06100F;
  --bg-soft:   #0E1F23;
  --card:      #162C32;
  --gold:      #D4AF37;
  --gold-2:    #E4C66B;
  --gold-dim:  rgba(212,175,55,0.20);
  --gold-hair: rgba(212,175,55,0.14);
  --ivory:     #F4EEDD;
  --muted:     rgba(244,238,221,0.55);
  --muted-2:   rgba(244,238,221,0.30);
  --hairline:  rgba(212,175,55,0.18);

  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans:  'Inter', system-ui, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, monospace;

  --maxw: 1180px;
}

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

html, body {
  background: var(--bg);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(212,175,55,0.10), transparent 70%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(0,188,212,0.04), transparent 70%),
    var(--bg);
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-2); }
img, svg { display: block; max-width: 100%; }

/* ─── Layout ─── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ─── Topbar ─── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(6,16,15,0.78);
  border-bottom: 1px solid var(--gold-hair);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand-lockup { display: flex; align-items: center; gap: 14px; }
.brand-lockup .mark { width: 32px; height: 32px; }
.brand-lockup .sep  { width: 1px; height: 22px; background: var(--gold-hair); }
.brand-lockup .name {
  font-family: var(--serif); font-style: italic; font-weight: 500;
  font-size: 26px; color: var(--ivory); letter-spacing: -0.01em; line-height: 1;
}
.nav { display: flex; gap: 32px; }
.nav a {
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: color .15s;
}
.nav a:hover, .nav a.active { color: var(--ivory); }

/* ─── Typography ─── */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}
.h-display {
  font-family: var(--serif);
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--ivory);
}
.h-1 { font-size: clamp(48px, 7vw, 96px); }
.h-2 { font-size: clamp(36px, 4.5vw, 56px); }
.h-3 { font-size: clamp(24px, 2.6vw, 32px); }

p.lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 56ch;
  text-wrap: pretty;
}
.h-display .accent { color: var(--gold); }
.h-display .roman  { font-style: normal; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 24px;
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.03em;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn:hover { background: rgba(212,175,55,0.08); color: var(--gold-2); }
.btn.primary {
  background: var(--gold); color: var(--bg);
}
.btn.primary:hover { background: var(--gold-2); color: var(--bg); }
.btn .icon { width: 18px; height: 18px; }

/* Store badges */
.store-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.store-badge {
  display: inline-flex; align-items: center; gap: 14px;
  height: 64px; padding: 0 22px;
  border: 1px solid var(--gold-hair);
  background: var(--card);
  border-radius: 2px;
  color: var(--ivory);
  transition: border-color .15s, transform .15s;
  position: relative;
}
.store-badge:hover {
  border-color: var(--gold-dim);
  transform: translateY(-1px);
  color: var(--ivory);
}
.store-badge .glyph { width: 28px; height: 28px; color: var(--ivory); }
.store-badge .stack { display: flex; flex-direction: column; line-height: 1.05; }
.store-badge .small { font-size: 10px; font-family: var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.store-badge .big   { font-family: var(--serif); font-style: italic; font-size: 22px; font-weight: 500; }
.store-badge .pill {
  position: absolute; top: -10px; right: -10px;
  font-family: var(--mono);
  font-size: 9px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--bg);
  background: var(--gold);
  padding: 4px 8px; border-radius: 2px;
}

/* ─── Sections / cards ─── */
section { padding: clamp(72px, 10vw, 128px) 0; }
.section-head { margin-bottom: 56px; max-width: 720px; }
.section-head .eyebrow { margin-bottom: 18px; display: block; }
.section-head p.lead { margin-top: 20px; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gold-hair);
  border: 1px solid var(--gold-hair);
}
.grid-3 > .cell {
  background: var(--bg);
  padding: 36px 32px;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 220px;
}
.cell .num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--gold);
  letter-spacing: 0.18em;
}
.cell h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 28px;
  color: var(--ivory);
  line-height: 1.1;
}
.cell p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* Feature row with screenshot */
.feature-row {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-row.reverse { grid-template-columns: 1fr 1.05fr; }
.feature-row.reverse .feature-art { order: -1; }
.feature-copy h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 40px);
  margin: 14px 0 18px;
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.feature-copy p { color: var(--muted); font-size: 16px; max-width: 48ch; }
.feature-copy .bullets {
  list-style: none;
  margin-top: 24px;
  display: flex; flex-direction: column; gap: 12px;
}
.feature-copy .bullets li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  font-size: 14px;
  color: var(--ivory);
}
.feature-copy .bullets li::before {
  content: '';
  width: 8px; height: 8px; margin-top: 8px;
  background: var(--gold); border-radius: 1px;
}

.feature-art {
  position: relative;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--gold-hair);
  background:
    radial-gradient(ellipse 80% 60% at 30% 30%, rgba(212,175,55,0.08), transparent 70%),
    var(--card);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  border-radius: 2px;
}

/* Phone mockup container (placeholder visual) */
.phone-shell {
  width: 280px;
  aspect-ratio: 9 / 19.5;
  background: var(--bg);
  border-radius: 36px;
  border: 1px solid var(--gold-hair);
  box-shadow:
    0 30px 60px -20px rgba(0,0,0,0.7),
    inset 0 0 0 2px rgba(244,238,221,0.04);
  padding: 14px;
  display: flex; flex-direction: column;
}
.phone-screen {
  flex: 1;
  background: var(--bg-soft);
  border-radius: 24px;
  border: 1px solid var(--gold-hair);
  padding: 18px 14px;
  display: flex; flex-direction: column; gap: 14px;
  overflow: hidden;
}

/* ─── Footer ─── */
footer.site-footer {
  border-top: 1px solid var(--gold-hair);
  padding: 64px 0 48px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col a, .footer-col p {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 10px;
  transition: color .15s;
}
.footer-col a:hover { color: var(--ivory); }
.footer-col .claim {
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  color: var(--ivory);
  margin: 10px 0 14px;
  font-weight: 500;
}
.footer-meta {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--gold-hair);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.05em;
}

/* ─── Legal / long-form pages ─── */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 28px 100px;
}
.legal .kicker { margin-bottom: 22px; display: block; }
.legal h1 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(40px, 5.5vw, 64px);
  letter-spacing: -0.02em;
  line-height: 1.04;
  margin-bottom: 16px;
  color: var(--ivory);
}
.legal .updated {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 56px;
  display: block;
}
.legal .toc {
  border: 1px solid var(--gold-hair);
  padding: 24px 28px;
  margin-bottom: 56px;
}
.legal .toc h4 {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em;
  color: var(--gold); margin-bottom: 14px; font-weight: 500; text-transform: uppercase;
}
.legal .toc ol {
  list-style: none; counter-reset: toc;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 28px;
}
.legal .toc ol li { counter-increment: toc; font-size: 14px; }
.legal .toc ol li::before {
  content: counter(toc, decimal-leading-zero) " · ";
  font-family: var(--mono); font-size: 11px; color: var(--gold); letter-spacing: 0.1em;
}
.legal .toc ol li a { color: var(--ivory); }
.legal .toc ol li a:hover { color: var(--gold); }

.legal h2 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 32px;
  margin: 56px 0 18px;
  color: var(--ivory);
  letter-spacing: -0.015em;
  scroll-margin-top: 100px;
}
.legal h2 .num {
  font-family: var(--mono);
  font-style: normal;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.18em;
  margin-right: 14px;
  vertical-align: middle;
}
.legal h3 {
  font-family: var(--sans);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--gold);
  margin: 32px 0 12px;
}
.legal p, .legal ul, .legal ol {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 16px;
  max-width: 66ch;
}
.legal ul, .legal ol { padding-left: 22px; }
.legal ul li, .legal ol li { margin-bottom: 6px; }
.legal strong { color: var(--ivory); font-weight: 600; }
.legal a { border-bottom: 1px solid var(--gold-hair); }
.legal a:hover { border-color: var(--gold); }
.legal blockquote {
  border-left: 2px solid var(--gold);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  color: var(--ivory);
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
}
.legal .callout {
  border: 1px solid var(--gold-hair);
  background: var(--card);
  padding: 22px 26px;
  margin: 28px 0;
  border-radius: 2px;
}
.legal .callout p:last-child { margin-bottom: 0; }
.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 28px;
  font-size: 14px;
}
.legal table th, .legal table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--gold-hair);
  vertical-align: top;
}
.legal table th {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--gold); font-weight: 500;
}
.legal table td { color: var(--muted); }
.legal table td strong { color: var(--ivory); }

/* ─── Hero specific ─── */
.hero { padding: 120px 0 80px; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}
.hero .eyebrow { margin-bottom: 28px; display: inline-block; }
.hero p.lead { margin: 28px 0 40px; font-size: 20px; }
.hero .cta-row { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-art {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1;
}
.hero-art .ring {
  position: absolute; inset: 0;
  border: 1px solid var(--gold-hair);
  border-radius: 50%;
}
.hero-art .ring.r2 { inset: 8%; opacity: 0.6; }
.hero-art .ring.r3 { inset: 18%; opacity: 0.35; }
.hero-art .mark-big {
  width: 56%;
  aspect-ratio: 1;
  z-index: 2;
  filter: drop-shadow(0 18px 40px rgba(212,175,55,0.18));
}

/* ─── Numbers strip ─── */
.numbers-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gold-hair);
  border-top: 1px solid var(--gold-hair);
  border-bottom: 1px solid var(--gold-hair);
}
.numbers-strip .stat {
  background: var(--bg);
  padding: 40px 28px;
  display: flex; flex-direction: column; gap: 6px;
}
.stat .v {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 48px;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 10px;
}

/* Mini coin ascii separator */
.rule-row {
  display: flex; align-items: center; gap: 18px;
  color: var(--gold-hair);
  margin: 0 auto;
  max-width: 240px;
}
.rule-row .line { flex: 1; height: 1px; background: var(--gold-hair); }

/* ─── Mobile ─── */
@media (max-width: 880px) {
  .hero-grid, .feature-row, .feature-row.reverse { grid-template-columns: 1fr; gap: 48px; }
  .feature-row.reverse .feature-art { order: 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .numbers-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .legal .toc ol { grid-template-columns: 1fr; }
  .nav { display: none; }
  .topbar-inner { height: 64px; }
}