/* RISKGPT — Bloomberg-terminal discipline. Navy/charcoal, amber budget, JetBrains Mono. */

@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/JetBrainsMono-Medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/JetBrainsMono-Bold.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/JetBrainsMono-ExtraBold.woff2") format("woff2");
  font-weight: 800; font-style: normal; font-display: swap;
}

:root {
  --bg: #0b0f16;
  --bg-panel: #0e131c;
  --bg-raised: #121926;
  --line: #1c2634;
  --line-soft: #161f2b;
  --text: #cdd6e0;
  --muted: #76839a;
  --faint: #4c5870;
  --amber: #ffb000;
  --amber-soft: rgba(255, 176, 0, 0.55);
  --amber-glow: rgba(255, 176, 0, 0.08);
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--amber); color: #0b0f16; }

.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--amber); color: #0b0f16; padding: 8px 16px;
  font-size: 12px; text-decoration: none;
}
.skip:focus { left: 0; }

a { color: inherit; }
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

/* ---- grain + scanline overlays ---- */
.grain {
  position: fixed; inset: 0; z-index: 3; pointer-events: none; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.scanline {
  position: fixed; left: 0; right: 0; top: -8%; height: 2px; z-index: 2;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--amber-soft), transparent);
  box-shadow: 0 0 24px 4px var(--amber-glow);
  opacity: 0.14;
  animation: sweep 9s linear infinite;
}
@keyframes sweep {
  0%   { top: -8%; }
  100% { top: 108%; }
}
@media (prefers-reduced-motion: reduce) {
  .scanline { display: none; }
}

/* ---- top bar ---- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 15, 22, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1060px; margin: 0 auto; padding: 14px 24px;
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
}
.wordmark { font-weight: 800; font-size: 15px; letter-spacing: 0.22em; color: var(--amber); }
.cursor { animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }
.topbar-meta { display: flex; gap: 10px; align-items: baseline; font-size: 10px; letter-spacing: 0.18em; }
.tag { color: var(--text); }
.tag.muted { color: var(--muted); }
.sep { color: var(--faint); }
.clock { color: var(--muted); font-variant-numeric: tabular-nums; min-width: 15ch; text-align: right; }
@media (max-width: 640px) { .topbar-meta .tag, .topbar-meta .sep { display: none; } }

/* ---- layout ---- */
main { max-width: 1060px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 4; }

.hero { padding: 96px 0 72px; border-bottom: 1px solid var(--line-soft); }
.kicker { font-size: 11px; letter-spacing: 0.28em; color: var(--amber); margin-bottom: 28px; }
h1 {
  font-weight: 800; font-size: clamp(28px, 5vw, 52px);
  line-height: 1.12; letter-spacing: -0.01em; color: #e8edf3;
  text-transform: uppercase; margin-bottom: 28px;
}
.amber { color: var(--amber); }
.lede { max-width: 62ch; color: var(--muted); margin-bottom: 36px; }

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.btn {
  display: inline-block; padding: 13px 22px; font-family: var(--mono);
  font-size: 12px; font-weight: 700; letter-spacing: 0.14em;
  text-decoration: none; border: 1px solid var(--line);
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}
.btn-amber { background: var(--amber); color: #0b0f16; border-color: var(--amber); }
.btn-amber:hover { background: #ffc23d; border-color: #ffc23d; }
.btn-ghost { color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--amber-soft); color: var(--amber); }
.btn-lg { padding: 16px 30px; font-size: 13px; }

.statusline {
  display: flex; gap: 12px; flex-wrap: wrap; align-items: center;
  border: 1px solid var(--line); background: var(--bg-panel);
  padding: 12px 16px; font-size: 10.5px; letter-spacing: 0.16em; color: var(--muted);
}
.dot {
  width: 7px; height: 7px; background: var(--amber); flex: none;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }
@media (prefers-reduced-motion: reduce) { .dot { animation: none; } }

/* ---- sections ---- */
.section { padding: 72px 0; border-bottom: 1px solid var(--line-soft); }
.section-label {
  font-size: 12px; font-weight: 700; letter-spacing: 0.28em;
  color: var(--amber); margin-bottom: 36px;
}
.section-intro { color: var(--muted); max-width: 60ch; margin: -16px 0 36px; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 820px) { .grid3 { grid-template-columns: 1fr; } }

.card { background: var(--bg-panel); padding: 28px 24px; position: relative; }
.card h3 {
  font-size: 13px; font-weight: 700; letter-spacing: 0.14em;
  color: #e8edf3; margin-bottom: 14px;
}
.card p { font-size: 13.5px; color: var(--muted); }
.card p + p { margin-top: 12px; }

.card-method .card-index {
  font-size: 10px; letter-spacing: 0.2em; color: var(--faint); margin-bottom: 18px;
}
.card-method:hover .card-index { color: var(--amber); }

.card-offer { padding-top: 24px; }
.offer-tag {
  display: inline-block; font-size: 9.5px; font-weight: 700; letter-spacing: 0.2em;
  color: var(--muted); border: 1px solid var(--line); padding: 4px 10px; margin-bottom: 20px;
}
.offer-tag-amber { color: #0b0f16; background: var(--amber); border-color: var(--amber); }
.card-flagship { background: var(--bg-raised); box-shadow: inset 0 1px 0 var(--amber-soft); }

.fine { font-size: 11px; color: var(--faint); letter-spacing: 0.02em; }
.card .fine { margin-top: 14px; }

.method-note { margin-top: 36px; font-size: 13.5px; color: var(--muted); }
.link-amber { color: var(--amber); text-decoration: none; border-bottom: 1px solid var(--amber-soft); }
.link-amber:hover { border-bottom-color: var(--amber); }

/* ---- argument strip ---- */
.argument {
  margin-top: 36px; border: 1px solid var(--line); border-left: 3px solid var(--amber);
  background: var(--bg-panel); padding: 28px 28px 26px;
}
.argument-head {
  font-size: 15px; font-weight: 800; letter-spacing: 0.2em; color: #e8edf3;
  margin-bottom: 14px;
}
.argument p:last-child { font-size: 13.5px; color: var(--muted); max-width: 84ch; }

/* ---- specimen (mock-workpaper) ---- */
.spec { border: 1px solid var(--line); background: var(--bg-panel); }
.spec-titlebar {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap;
  background: var(--bg-raised); border-bottom: 1px solid var(--line);
  padding: 14px 20px; font-size: 11px; font-weight: 700; letter-spacing: 0.18em; color: var(--amber);
}
.spec-status { color: var(--muted); font-weight: 500; letter-spacing: 0.14em; }
.spec-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-bottom: 1px solid var(--line);
}
.spec-meta > div {
  padding: 14px 20px; border-bottom: 1px solid var(--line-soft);
  display: flex; gap: 14px; align-items: baseline;
}
.spec-meta dt {
  flex: none; min-width: 10ch; font-size: 10px; font-weight: 700;
  letter-spacing: 0.2em; color: var(--faint);
}
.spec-meta dd { font-size: 12px; color: var(--muted); }
@media (max-width: 820px) { .spec-meta { grid-template-columns: 1fr; } }

.spec-block { padding: 24px 20px 8px; }
.spec-h {
  font-size: 11px; font-weight: 700; letter-spacing: 0.24em;
  color: var(--amber); margin-bottom: 16px;
}
.tablewrap { overflow-x: auto; border: 1px solid var(--line); margin-bottom: 16px; }
.spec-table { width: 100%; min-width: 720px; border-collapse: collapse; background: var(--bg); }
.spec-table th {
  text-align: left; font-size: 9.5px; font-weight: 700; letter-spacing: 0.2em;
  color: var(--faint); background: var(--bg-raised);
  padding: 10px 14px; border-bottom: 1px solid var(--line);
}
.spec-table td {
  vertical-align: top; font-size: 12.5px; color: var(--muted);
  padding: 14px; border-bottom: 1px solid var(--line-soft);
}
.spec-table tr:last-child td { border-bottom: none; }
.spec-table .t-key {
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em; color: #e8edf3;
  white-space: nowrap;
}
.t-verdict { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; min-width: 16ch; }
.v-pass { color: var(--amber); }
.v-partial { color: #e8edf3; }
.v-residual { color: var(--faint); }

.spec-metrics {
  display: flex; flex-wrap: wrap; gap: 1px; background: var(--line);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.metric {
  flex: 1 1 140px; background: var(--bg-raised); padding: 18px 16px 16px;
  display: flex; flex-direction: column; gap: 6px;
}
.metric-n {
  font-size: 24px; font-weight: 800; color: var(--amber);
  font-variant-numeric: tabular-nums; letter-spacing: -0.01em;
}
.metric-l { font-size: 9.5px; letter-spacing: 0.18em; color: var(--muted); }

.spec-foot { padding: 20px; font-size: 12.5px; color: var(--muted); max-width: 90ch; }

/* ---- operator ---- */
.operator { max-width: 70ch; }
.operator > p { color: var(--text); margin-bottom: 28px; }
.op-list { list-style: none; border-top: 1px solid var(--line); }
.op-list li {
  padding: 16px 0; border-bottom: 1px solid var(--line);
  font-size: 13px; color: var(--muted);
}
.op-key {
  display: inline-block; min-width: 17ch; color: var(--amber);
  font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
}
@media (max-width: 640px) { .op-key { display: block; margin-bottom: 6px; } }

/* ---- contact ---- */
.section-contact { border-bottom: none; }
.contact-block {
  border: 1px solid var(--line); background: var(--bg-panel);
  padding: 56px 32px; text-align: center;
}
.contact-line { font-size: 20px; font-weight: 700; color: #e8edf3; margin-bottom: 28px; letter-spacing: 0.02em; }
.contact-block .fine { margin-top: 18px; }

/* ---- footer ---- */
.footer { border-top: 1px solid var(--line); background: var(--bg-panel); position: relative; z-index: 4; }
.footer-inner { max-width: 1060px; margin: 0 auto; padding: 36px 24px 48px; }
.footer-inner p:first-child {
  font-size: 11px; font-weight: 700; letter-spacing: 0.22em; color: var(--muted); margin-bottom: 14px;
}
.footer .fine { margin-top: 6px; max-width: 72ch; }

/* ---- reveal on scroll ---- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.on { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}