:root {
  --paper: #f3f0e8;
  --paper-2: #e9e5da;
  --paper-3: #fbfaf6;
  --ink: #121614;
  --ink-2: #3a423d;
  --muted: #646d68;
  --line: rgba(18, 22, 20, 0.13);
  --line-strong: rgba(18, 22, 20, 0.28);

  --green: #3dcd58;
  --green-ink: #19762f;
  --green-wash: rgba(61, 205, 88, 0.12);
  --night: #0d1612;
  --night-2: #15211b;
  --night-3: #1d2c24;
  --night-line: rgba(61, 205, 88, 0.2);
  --night-text: #e8efe9;
  --night-muted: #8fa197;
  --risk: #c2361f;
  --risk-wash: rgba(194, 54, 31, 0.09);
  --amber: #a86a12;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;

  --text-hero: clamp(2.6rem, 1.4rem + 5vw, 5.4rem);
  --text-h2: clamp(2.2rem, 1.4rem + 3.4vw, 4.2rem);
  --text-h3: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem);

  --radius-s: 6px;
  --radius-m: 14px;
  --radius-l: 22px;
  --shadow-lift: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 24px 60px -30px rgba(18, 22, 20, 0.35);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 520ms;
  --gutter: clamp(16px, 4vw, 56px);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(18, 22, 20, 0.07) 1px, transparent 0);
  background-size: 22px 22px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button { font: inherit; cursor: pointer; }
h1, h2, h3, h4, p { margin: 0; }
em { font-style: italic; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; border-radius: var(--radius-s); z-index: 50; }
.skip:focus { left: 8px; }

:focus-visible { outline: 2px solid var(--green-ink); outline-offset: 3px; border-radius: 4px; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 24px;
  padding: 14px var(--gutter);
  background: rgba(243, 240, 232, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--night); color: var(--green); }
.brand-mark svg { width: 18px; height: 18px; }
.brand-name { font-weight: 600; letter-spacing: -0.01em; color: var(--green-ink); }
.brand-divider { width: 1px; height: 18px; background: var(--line-strong); }
.brand-product { font-family: var(--font-display); font-size: 1.25rem; }
.tabs { display: flex; gap: 4px; margin-left: auto; background: var(--paper-2); padding: 4px; border-radius: 999px; }
.tab {
  border: 0; background: transparent; color: var(--ink-2);
  padding: 7px 16px; border-radius: 999px; font-size: 0.9rem; font-weight: 500;
  transition: background var(--dur) var(--ease-out), color 200ms;
}
.tab:hover { color: var(--ink); }
.tab.is-active { background: var(--ink); color: var(--paper); }
.badge {
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em;
  border: 1px dashed var(--line-strong); padding: 4px 9px; border-radius: 999px; color: var(--muted);
}

/* ---------- Views ---------- */
main { padding: 0 var(--gutter) 120px; max-width: 1360px; margin: 0 auto; }
.view { display: none; }
.view.is-active { display: block; animation: fade-up var(--dur) var(--ease-out); }

@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.eyebrow {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--green-ink); display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ''; width: 22px; height: 2px; background: var(--green); }


/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px; border: 0;
  background: var(--green); color: var(--night); font-weight: 600;
  padding: 12px 20px; border-radius: 999px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset, 0 8px 20px -10px rgba(25, 118, 47, 0.8);
  transition: transform 200ms var(--ease-out), box-shadow 200ms, filter 200ms;
}
.btn-primary svg { width: 18px; height: 18px; transition: transform 200ms var(--ease-out); }
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.04); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-primary:active { transform: translateY(1px) scale(0.98); }
.btn-primary:disabled { opacity: 0.55; cursor: progress; transform: none; }

.btn-ghost {
  border: 1px solid var(--line-strong); background: transparent; color: var(--ink);
  padding: 11px 18px; border-radius: 999px; font-weight: 500;
  transition: background 200ms, border-color 200ms, transform 200ms var(--ease-out);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-ghost:active { transform: scale(0.98); }
.btn-ghost:disabled { opacity: 0.6; cursor: progress; }

.icon-btn { border: 0; background: transparent; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: var(--ink); }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn:hover { background: var(--paper-2); }

/* ---------- Translation card ---------- */
.card {
  margin-top: clamp(48px, 7vw, 88px); scroll-margin-top: 90px;
  background: var(--paper-3); border: 1px solid var(--line); border-radius: var(--radius-l);
  box-shadow: var(--shadow-lift); overflow: hidden;
}
.reveal { opacity: 0; transform: translateY(14px); transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out); transition-delay: calc(var(--i, 0) * 60ms); }
.card.is-in .reveal { opacity: 1; transform: none; }

.card-head {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: end;
  padding: clamp(24px, 4vw, 48px); background: var(--night); color: var(--night-text);
}
.kicker { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--green); display: flex; gap: 12px; flex-wrap: wrap; }
.kicker span { color: var(--night-muted); }
.card-quote { margin: 14px 0 0; font-family: var(--font-display); font-size: var(--text-h3); line-height: 1.1; }
.verdict { font-size: 1.02rem; line-height: 1.45; padding: 16px 18px; border-radius: var(--radius-m); border-left: 3px solid; }
.verdict.is-ok { border-color: var(--green); background: rgba(61, 205, 88, 0.1); }
.verdict.is-late { border-color: #ff6a50; background: rgba(255, 106, 80, 0.12); }

.layer { padding: clamp(28px, 4vw, 52px) clamp(24px, 4vw, 48px); border-top: 1px solid var(--line); }
.layer-head { display: flex; gap: 20px; align-items: baseline; margin-bottom: 28px; }
.layer-num { font-family: var(--font-mono); font-size: 0.85rem; color: var(--green-ink); border: 1px solid var(--green-ink); border-radius: 999px; padding: 2px 10px; }
.layer-head h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--text-h3); line-height: 1.05; }
.layer-sub { color: var(--muted); font-size: 0.92rem; margin-top: 4px; }

.metrics { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.metric {
  grid-column: span 3; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 18px; display: flex; flex-direction: column; gap: 10px;
  transition: transform 250ms var(--ease-out), border-color 250ms;
}
.metric:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.metric.is-hero { grid-column: span 3; grid-row: span 2; background: var(--night); color: var(--night-text); border-color: transparent; justify-content: space-between; }
.metric:nth-child(4):last-child { grid-column: 1 / -1; }
.metric-value.is-word { font-family: var(--font-display); font-size: clamp(1.5rem, 1.2rem + 0.8vw, 1.9rem); letter-spacing: -0.01em; }
.metric-top { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 0.84rem; font-weight: 500; }
.metric.is-hero .metric-top { color: var(--night-muted); }
.ico { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.metric .ico { color: var(--green-ink); }
.metric.is-hero .ico { color: var(--green); }
.metric-value { font-family: var(--font-mono); font-weight: 500; font-size: clamp(1.5rem, 1.1rem + 1vw, 2rem); line-height: 1.05; display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; letter-spacing: -0.02em; }
.metric.is-hero .metric-value { font-size: clamp(3rem, 2rem + 3vw, 5rem); color: #cff5d7; }
.metric-value small { font-size: 0.8rem; color: var(--muted); letter-spacing: 0; }
.metric.is-hero .metric-value small { font-size: 1.1rem; color: var(--night-muted); }
.meter { height: 4px; background: var(--paper-2); border-radius: 4px; overflow: hidden; }
.metric.is-hero .meter { background: var(--night-3); height: 6px; }
.meter span { display: block; height: 100%; width: 100%; background: var(--green); transform-origin: left; transform: scaleX(0); transition: transform 900ms var(--ease-out); transition-delay: calc(var(--i, 0) * 60ms + 250ms); }
.card.is-in .meter span { transform: scaleX(var(--v)); }
.metric-detail { font-size: 0.86rem; color: var(--ink-2); line-height: 1.45; }
.metric.is-hero .metric-detail { color: var(--night-muted); font-size: 0.95rem; max-width: 36ch; }

.risk-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 28px; align-items: start; }
.risks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.risk { display: grid; grid-template-columns: auto 1fr; gap: 14px; padding: 16px; border-radius: var(--radius-m); background: var(--paper); border: 1px solid var(--line); }
.risk.sev-high { background: var(--risk-wash); border-color: rgba(194, 54, 31, 0.25); }
.risk-sev { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; padding: 3px 8px; border-radius: 999px; height: fit-content; border: 1px solid currentColor; }
.sev-high .risk-sev { color: var(--risk); }
.sev-med .risk-sev { color: var(--amber); }
.sev-low .risk-sev { color: var(--muted); }
.risk-title { font-weight: 600; }
.risk-detail { font-size: 0.9rem; color: var(--ink-2); margin-top: 4px; }

.path { background: var(--night); color: var(--night-text); border-radius: var(--radius-m); padding: 22px; }
.path-head h4 { font-family: var(--font-display); font-weight: 400; font-size: 1.6rem; }
.path-head p { color: var(--night-muted); font-size: 0.85rem; }
.path-axis { display: flex; justify-content: space-between; margin: 20px 0 8px 40%; font-family: var(--font-mono); font-size: 0.72rem; color: var(--night-muted); }
.path-rows { display: grid; gap: 10px; }
.path-row { display: grid; grid-template-columns: 40% 1fr; gap: 12px; align-items: center; }
.path-label { font-size: 0.86rem; line-height: 1.25; }
.path-label small { display: block; font-family: var(--font-mono); font-size: 0.7rem; color: var(--night-muted); margin-top: 2px; }
.path-track { position: relative; height: 34px; border-left: 1px dashed rgba(232, 239, 233, 0.3); border-right: 1px solid var(--green); background: rgba(232, 239, 233, 0.04); border-radius: 0 4px 4px 0; }
.path-bar {
  position: absolute; top: 6px; bottom: 6px; border-radius: 4px; background: linear-gradient(90deg, rgba(61, 205, 88, 0.55), var(--green));
  transform-origin: right; transform: scaleX(0); transition: transform 900ms var(--ease-out); transition-delay: calc(var(--i, 0) * 90ms + 500ms);
}
.card.is-in .path-bar { transform: scaleX(1); }
.path-row.is-late .path-bar { background: repeating-linear-gradient(-45deg, #ff6a50 0 6px, #d94a33 6px 12px); }
.path-flag { position: absolute; top: 50%; transform: translateY(-50%); font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500; white-space: nowrap; }
.path-flag.is-in { padding-right: 8px; color: var(--night); }
.path-flag.is-out { padding-right: 8px; color: var(--night-muted); }
.path-row.is-late .path-flag { color: #fff; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45); }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; }
.pillar { padding: 22px; background: var(--paper); position: relative; }
.pillar + .pillar { border-left: 1px solid var(--line); }
.pillar:not(:last-child)::after {
  content: '→'; position: absolute; right: -14px; top: 20px; z-index: 1; width: 28px; height: 28px; display: grid; place-items: center;
  background: var(--green); color: var(--night); border-radius: 50%; font-weight: 600;
}
.pillar-name { font-family: var(--font-display); font-size: 1.9rem; display: flex; gap: 10px; align-items: baseline; margin-bottom: 16px; }
.pillar-index { font-family: var(--font-mono); font-size: 0.75rem; color: var(--green-ink); }
.pillar ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.pillar li { padding-top: 14px; border-top: 1px solid var(--line); }
.move { font-weight: 600; line-height: 1.3; }
.move-why { font-size: 0.88rem; color: var(--ink-2); margin: 4px 0 8px; }
.tag { font-family: var(--font-mono); font-size: 0.7rem; padding: 3px 8px; border-radius: 4px; background: var(--green-wash); color: var(--green-ink); }

.outcome { padding: clamp(28px, 4vw, 48px); background: var(--paper-2); border-top: 1px solid var(--line); display: grid; gap: 14px; }
.outcome-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 12px; margin-bottom: 6px; }
.outcome-head h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--text-h3); }
.legend { display: flex; gap: 16px; font-size: 0.8rem; color: var(--muted); }
.legend span::before { content: ''; display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.lg-before::before { background: var(--line-strong); }
.lg-after::before { background: var(--green); }
.outcome-row { display: grid; grid-template-columns: 180px 1fr 70px; gap: 18px; align-items: center; }
.outcome-label { font-weight: 600; }
.outcome-bars { display: grid; gap: 6px; }
.ob { display: grid; grid-template-columns: 1fr 150px; align-items: center; gap: 12px; }
.ob > span { height: 12px; width: 100%; border-radius: 3px; transform-origin: left; transform: scaleX(0); transition: transform 900ms var(--ease-out); transition-delay: calc(var(--i, 0) * 60ms + 300ms); }
.card.is-in .ob > span { transform: scaleX(var(--w)); }
.ob-before > span { background: var(--line-strong); }
.ob-after > span { background: var(--green); }
.ob em { font-style: normal; font-family: var(--font-mono); font-size: 0.82rem; white-space: nowrap; }
.ob-after em { color: var(--green-ink); font-weight: 500; }
.outcome-delta { font-family: var(--font-mono); font-weight: 500; color: var(--green-ink); text-align: right; }

.card-foot { padding: 28px clamp(24px, 4vw, 48px) 36px; border-top: 1px solid var(--line); display: grid; gap: 20px; }
.card-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.assumptions { font-size: 0.86rem; color: var(--muted); }
.assumptions summary { cursor: pointer; font-weight: 500; color: var(--ink-2); }
.assumptions ul { margin: 10px 0; padding-left: 18px; }

/* ---------- Modal + toast ---------- */
.modal { border: 0; padding: 0; border-radius: var(--radius-l); width: min(860px, calc(100% - 32px)); background: var(--paper-3); color: var(--ink); box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.6); }
.modal::backdrop { background: rgba(13, 22, 18, 0.6); backdrop-filter: blur(4px); }
.modal-head, .modal-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; }
.modal-head h3 { font-family: var(--font-display); font-weight: 400; font-size: 1.5rem; }
.share-preview { padding: 0 20px; }
.share-preview svg { width: 100%; height: auto; display: block; border-radius: var(--radius-m); }
.modal-foot .note { margin: 0; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 140%); z-index: 60;
  background: var(--ink); color: var(--paper); padding: 12px 18px; border-radius: 12px; max-width: min(560px, calc(100% - 32px));
  font-size: 0.9rem; box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.5); opacity: 0;
  transition: transform 400ms var(--ease-out), opacity 300ms;
}
.toast.is-on { transform: translate(-50%, 0); opacity: 1; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric { grid-column: span 1; }
  .metric.is-hero { grid-column: span 2; grid-row: auto; }
  .risk-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .topbar { flex-wrap: wrap; gap: 10px 16px; }
  .tabs { order: 3; width: 100%; margin-left: 0; overflow-x: auto; }
  .tab { flex: 1; white-space: nowrap; padding: 7px 10px; }
  .badge { margin-left: auto; }
  .card-head { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .pillar + .pillar { border-left: 0; border-top: 1px solid var(--line); }
  .pillar:not(:last-child)::after { content: '↓'; right: 20px; top: auto; bottom: -14px; }
  .outcome-row { grid-template-columns: 1fr 56px; }
  .outcome-bars { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 520px) {
  .brand-name, .brand-divider { display: none; }
  .metrics { grid-template-columns: 1fr; }
  .metric.is-hero { grid-column: auto; }
  .path-axis { margin-left: 0; }
  .path-row { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-delay: 0ms !important; transition-duration: 1ms !important; transition-delay: 0ms !important; scroll-behavior: auto !important; }
}