/* ==========================================================================
   Millennial Ultra Solutions — design system
   Sibling of the Millennium Management Group site, deliberately distinct:
   engineering voice, no display serif, ultraviolet→cyan signature.
   Palette: ink #06080F · panel #101528 · violet #7C5CFF · cyan #22D3EE
   Type: Inter (variable, self-hosted) + system monospace for technical marks
   ========================================================================== */

@font-face {
  font-family: "Inter";
  src: url("/fonts/inter-var-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #06080f;
  --ink-deep: #04060c;
  --body: #080b14;
  --panel: #0e1220;
  --panel-2: #131829;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --violet: #7c5cff;
  --violet-deep: #5b3df5;
  --cyan: #22d3ee;
  --cyan-soft: #8fe9fb;
  --gradient: linear-gradient(120deg, var(--violet-deep), var(--violet) 45%, var(--cyan));

  --text: #e7eaf4;
  --text-soft: #98a2bd;
  --text-faint: rgba(152, 162, 189, 0.62);

  --live: #34d399;
  --dev: #fbbf24;
  --mvp: #7c5cff;
  --internal: #94a3b8;

  --sans: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --container: 1180px;
  --radius: 14px;
  --radius-lg: 20px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 30px 80px -34px rgba(0, 0, 0, 0.85);
  --glow: 0 24px 90px -34px rgba(124, 92, 255, 0.5);
}

/* ------------------------------- base ------------------------------- */

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

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

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--body);
  background-image:
    radial-gradient(60rem 40rem at 82% -8%, rgba(124, 92, 255, 0.16), transparent 62%),
    radial-gradient(48rem 34rem at 4% 12%, rgba(34, 211, 238, 0.09), transparent 60%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.025em; line-height: 1.12; }
p { margin: 0 0 1rem; }
a { color: var(--cyan-soft); text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container { width: min(var(--container), 100% - 3rem); margin-inline: auto; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--violet); color: #fff; padding: 0.75rem 1.25rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 3px; }
::selection { background: rgba(124, 92, 255, 0.4); }

/* ---------------------------- typography ---------------------------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin: 0 0 1.1rem;
}
.eyebrow::before { content: "// "; color: var(--violet); }
.eyebrow-plain::before { content: none; }

.section-title { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
.section-lede {
  font-size: 1.125rem; color: var(--text-soft);
  max-width: 60ch; margin-top: 1.1rem;
}
.grad { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 1.2rem; color: var(--text); }

.section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.section-head { margin-bottom: 3rem; }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ------------------------------ buttons ----------------------------- */

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.5rem; border-radius: 999px;
  font-weight: 560; font-size: 0.98rem; letter-spacing: -0.01em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.btn-grad { background: var(--gradient); color: #fff; box-shadow: var(--glow); }
.btn-grad:hover { transform: translateY(-2px); box-shadow: 0 26px 70px -28px rgba(124, 92, 255, 0.7); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); background: rgba(255, 255, 255, 0.02); }
.btn-ghost:hover { border-color: var(--violet); background: rgba(124, 92, 255, 0.1); transform: translateY(-2px); }

.arrow-link {
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.04em;
  color: var(--cyan-soft); display: inline-flex; gap: 0.4rem; align-items: center;
}
.arrow-link:hover { color: #fff; }

/* ------------------------------- header ----------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(6, 8, 15, 0.72);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 0; }
.nav-brand { display: flex; align-items: center; gap: 0.7rem; color: var(--text); }
.nav-mark { width: 38px; height: auto; }
.nav-name { display: block; font-weight: 620; font-size: 0.98rem; letter-spacing: -0.02em; line-height: 1.1; }
.nav-sub {
  display: block; font-family: var(--mono); font-size: 0.66rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-faint);
}
.nav-links { display: flex; align-items: center; gap: 1.9rem; }
.nav-links a { color: var(--text-soft); font-size: 0.95rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"] { position: relative; }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--gradient); border-radius: 2px;
}
.nav-cta {
  padding: 0.55rem 1.15rem; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--text) !important;
}
.nav-cta:hover { border-color: var(--violet); background: rgba(124, 92, 255, 0.12); }
.nav-toggle {
  display: none; width: 42px; height: 38px; background: none; cursor: pointer;
  border: 1px solid var(--line-strong); border-radius: 10px; padding: 0 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; }

/* -------------------------------- hero ------------------------------ */

.hero { position: relative; padding: clamp(4rem, 8vw, 7rem) 0 clamp(3rem, 6vw, 5rem); overflow: hidden; }
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 50% 20%, #000 25%, transparent 78%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3.5rem; align-items: center; }
.hero-title { font-size: clamp(2.4rem, 5.4vw, 4rem); font-weight: 620; }
.hero-lede { font-size: 1.15rem; color: var(--text-soft); max-width: 52ch; margin-top: 1.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2.2rem; }
.hero-note { font-family: var(--mono); font-size: 0.78rem; color: var(--text-faint); margin-top: 1.8rem; }

.page-hero { padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(2rem, 4vw, 3rem); position: relative; overflow: hidden; }
.page-hero .hero-title { max-width: 18ch; }

/* terminal panel */
.terminal {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow), var(--glow); overflow: hidden;
}
.terminal-bar {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.7rem 1rem; border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}
.terminal-bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.16); }
.terminal-bar b {
  font-family: var(--mono); font-weight: 400; font-size: 0.74rem;
  color: var(--text-faint); margin-left: 0.6rem; letter-spacing: 0.06em;
}
.terminal-body { padding: 1.25rem 1.25rem 1.5rem; font-family: var(--mono); font-size: 0.82rem; line-height: 1.95; }
.terminal-body span { display: block; color: var(--text-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.terminal-body .t-cmd { color: var(--text); }
.terminal-body .t-cmd::before { content: "$ "; color: var(--violet); }
.terminal-body .t-ok::before { content: "✓ "; color: var(--live); }
.terminal-body .t-dim { color: var(--text-faint); }

/* ------------------------------- strips ----------------------------- */

.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stat-strip div { padding: 1.6rem 1.4rem; border-right: 1px solid var(--line); }
.stat-strip div:last-child { border-right: 0; }
.stat-strip b { display: block; font-size: 1.9rem; font-weight: 620; letter-spacing: -0.03em; }
.stat-strip span {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-faint);
}

.marquee { overflow: hidden; border-bottom: 1px solid var(--line); padding: 0.9rem 0; }
.marquee-track { display: flex; gap: 2rem; width: max-content; animation: slide 46s linear infinite; }
.marquee-track span { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); }
.marquee-track i { color: var(--violet); font-style: normal; }
@keyframes slide { to { transform: translateX(-50%); } }

/* -------------------------------- cards ----------------------------- */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem 1.6rem; position: relative; overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.card p { color: var(--text-soft); font-size: 0.98rem; margin: 0; }
.card-no {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em;
  color: var(--violet); display: block; margin-bottom: 1rem;
}
.card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.1rem; }
.tag {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em;
  color: var(--text-soft); border: 1px solid var(--line); border-radius: 999px;
  padding: 0.22rem 0.6rem;
}

/* work chapters */
.chapter { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2.5rem; align-items: center; padding: 3rem 0; border-top: 1px solid var(--line); }
.chapter:nth-child(even) .chapter-media { order: 2; }
.frame {
  display: block; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--panel); box-shadow: var(--shadow);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}
.frame:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.frame-bar {
  display: flex; align-items: center; gap: 0.35rem; padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.03);
}
.frame-bar i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, 0.16); }
.frame-bar b { font-family: var(--mono); font-weight: 400; font-size: 0.7rem; color: var(--text-faint); margin-left: 0.5rem; }
.frame img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.chapter-meta { display: flex; align-items: center; gap: 0.7rem; margin: 0 0 0.8rem; }
.chapter-sector { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); }
.chapter-name { font-size: 1.6rem; margin-bottom: 0.7rem; }
.chapter-name em { font-style: normal; color: var(--text-faint); font-weight: 400; font-size: 1rem; }
.chapter-desc { color: var(--text-soft); }
.chapter-fact { font-family: var(--mono); font-size: 0.78rem; color: var(--cyan-soft); margin-bottom: 1rem; }

.status {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.2rem 0.55rem; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap;
}
.status-live { color: var(--live); }
.status-dev { color: var(--dev); }
.status-mvp { color: var(--mvp); }
.status-internal { color: var(--internal); }

/* index list */
.index-list { border-top: 1px solid var(--line); }
.index-row {
  display: grid; grid-template-columns: 2.4rem 1.1fr 1.6fr 1fr 6rem 1.6rem;
  gap: 1rem; align-items: center; padding: 1.05rem 0.4rem;
  border-bottom: 1px solid var(--line); transition: background 0.2s var(--ease);
}
.index-row:hover { background: rgba(124, 92, 255, 0.06); }
.ix-no { font-family: var(--mono); font-size: 0.74rem; color: var(--text-faint); }
.ix-name { font-weight: 560; }
.ix-name em { font-style: normal; color: var(--text-faint); font-weight: 400; }
.ix-desc { color: var(--text-soft); font-size: 0.94rem; }
.ix-sector { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }
.ix-link { justify-self: end; color: var(--text-soft); font-size: 1rem; }
.ix-link:hover { color: var(--cyan); }

/* steps */
.steps { counter-reset: step; display: grid; gap: 1rem; }
.step {
  display: grid; grid-template-columns: 3.2rem 1fr; gap: 1.2rem;
  padding: 1.5rem 1.6rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.018);
}
.step-no {
  font-family: var(--mono); font-size: 0.8rem; color: var(--violet);
  border: 1px solid var(--line-strong); border-radius: 10px;
  width: 3.2rem; height: 2.3rem; display: grid; place-items: center;
}
.step h3 { font-size: 1.08rem; margin-bottom: 0.4rem; }
.step p { color: var(--text-soft); font-size: 0.97rem; margin: 0; }

/* split panel */
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 3rem; align-items: start; }
.stack-list { display: grid; gap: 0.85rem; }
.stack-item {
  display: grid; grid-template-columns: 8.5rem 1fr; gap: 1rem;
  padding-bottom: 0.85rem; border-bottom: 1px solid var(--line); align-items: baseline;
}
.stack-item dt { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--violet); }
.stack-item dd { margin: 0; color: var(--text-soft); font-size: 0.97rem; }

/* cta band */
.cta {
  position: relative; overflow: hidden; text-align: center;
  padding: clamp(4rem, 8vw, 6.5rem) 0; border-top: 1px solid var(--line);
  background:
    radial-gradient(40rem 22rem at 50% 120%, rgba(124, 92, 255, 0.28), transparent 65%),
    radial-gradient(30rem 18rem at 20% -20%, rgba(34, 211, 238, 0.14), transparent 60%);
}
.cta h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.cta p { color: var(--text-soft); max-width: 48ch; margin: 1.2rem auto 2rem; }

/* ------------------------------- forms ------------------------------ */

.contact-layout { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 3.5rem; align-items: start; }
.form {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.2rem); box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: 0.45rem; }
.field label {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--text-soft);
}
.field .optional { color: var(--text-faint); text-transform: none; letter-spacing: 0; }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: 1rem; color: var(--text);
  background: rgba(4, 6, 12, 0.6); border: 1px solid var(--line-strong);
  border-radius: 10px; padding: 0.75rem 0.9rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { resize: vertical; min-height: 8rem; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--violet); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.2);
}
.field.hp { position: absolute; left: -9999px; }
.btn-submit { width: 100%; justify-content: center; margin-top: 0.4rem; }
.form-status { font-family: var(--mono); font-size: 0.82rem; margin: 1rem 0 0; min-height: 1.4rem; }
.form-status.ok { color: var(--live); }
.form-status.err { color: #fb7185; }

.contact-points { display: grid; gap: 1.4rem; margin-top: 2.2rem; }
.contact-point h3 { font-size: 1rem; margin-bottom: 0.3rem; }
.contact-point p { color: var(--text-soft); font-size: 0.95rem; margin: 0; }

/* ------------------------------- footer ----------------------------- */

.site-footer { border-top: 1px solid var(--line); background: var(--ink-deep); padding: 4rem 0 2rem; }
.footer-top { display: grid; grid-template-columns: 1.2fr 2fr; gap: 3rem; }
.footer-brand { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.footer-brand img { width: 40px; }
.footer-name { font-weight: 620; letter-spacing: -0.02em; margin: 0; line-height: 1.15; }
.footer-name span { display: block; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-faint); }
.footer-blurb { color: var(--text-soft); font-size: 0.94rem; max-width: 34ch; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-col h3 {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-faint); margin-bottom: 1rem; font-weight: 400;
}
.footer-col a, .footer-col span { display: block; color: var(--text-soft); font-size: 0.93rem; margin-bottom: 0.5rem; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid var(--line); margin-top: 3rem; padding-top: 1.5rem;
}
.footer-bottom p { font-size: 0.85rem; color: var(--text-faint); margin: 0; }

/* ------------------------------ reveal ------------------------------ */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; }

/* ----------------------------- responsive --------------------------- */

@media (max-width: 960px) {
  .hero-inner, .split, .contact-layout, .chapter { grid-template-columns: 1fr; gap: 2.2rem; }
  .chapter:nth-child(even) .chapter-media { order: 0; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .index-row { grid-template-columns: 2rem 1fr 5.5rem 1.4rem; }
  .ix-desc, .ix-sector { display: none; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0.25rem;
    background: rgba(6, 8, 15, 0.97); border-bottom: 1px solid var(--line);
    padding: 1rem 1.5rem 1.5rem; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.5rem 0; font-size: 1.05rem; }
  .grid-3, .grid-2, .form-row { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip div:nth-child(2) { border-right: 0; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .step { grid-template-columns: 1fr; gap: 0.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ----------------------------- utilities ---------------------------- */

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: 1rem; }
.pt-2 { padding-top: 2rem; }
.pt-25 { padding-top: 2.5rem; }
.pb-0 { padding-bottom: 0; }
.mt-0 { margin-top: 0; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 2.5rem; }
.mx-auto { margin-inline: auto; }
.rel { position: relative; }
.note { font-family: var(--mono); font-size: 0.78rem; color: var(--text-faint); }
.hero-404 { min-height: 70vh; display: grid; place-items: center; text-align: center; }

/* ------------------------------- chat ------------------------------- */

.chat-shell { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 3rem; align-items: start; }

.chat {
  display: flex; flex-direction: column;
  height: min(70vh, 640px); min-height: 26rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); overflow: hidden;
}
.chat-head {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.85rem 1.1rem; border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}
.chat-head b {
  font-family: var(--mono); font-weight: 400; font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint);
}
.chat-live { width: 8px; height: 8px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18); }

.chat-log { flex: 1; overflow-y: auto; padding: 1.4rem 1.2rem; display: flex; flex-direction: column; gap: 1rem; }
.msg { max-width: 88%; padding: 0.8rem 1rem; border-radius: 14px; font-size: 0.98rem; line-height: 1.6; white-space: pre-wrap; }
.msg-agent { align-self: flex-start; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg-user { align-self: flex-end; background: rgba(124, 92, 255, 0.16); border: 1px solid rgba(124, 92, 255, 0.35); border-bottom-right-radius: 4px; }
.msg-note { align-self: center; font-family: var(--mono); font-size: 0.76rem; color: var(--text-faint); text-align: center; max-width: 100%; }

.typing { display: inline-flex; gap: 4px; align-items: center; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--text-faint); animation: blink 1.3s infinite; }
.typing i:nth-child(2) { animation-delay: 0.18s; }
.typing i:nth-child(3) { animation-delay: 0.36s; }
@keyframes blink { 0%, 60%, 100% { opacity: 0.25; } 30% { opacity: 1; } }

.chat-form { display: flex; gap: 0.6rem; padding: 0.9rem 1.1rem; border-top: 1px solid var(--line); background: rgba(4, 6, 12, 0.4); }
.chat-form textarea {
  flex: 1; resize: none; min-height: 2.8rem; max-height: 8rem;
  font-family: inherit; font-size: 1rem; color: var(--text);
  background: rgba(4, 6, 12, 0.6); border: 1px solid var(--line-strong);
  border-radius: 12px; padding: 0.7rem 0.9rem;
}
.chat-form textarea:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.2); }
.chat-send { padding: 0.7rem 1.2rem; border-radius: 12px; }
.chat-send:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.proposal-ready {
  align-self: stretch; border: 1px solid rgba(124, 92, 255, 0.4); border-radius: 14px;
  padding: 1.1rem 1.2rem; background: rgba(124, 92, 255, 0.1);
}
.proposal-ready h3 { font-size: 1.02rem; margin-bottom: 0.4rem; }
.proposal-ready p { color: var(--text-soft); font-size: 0.94rem; margin-bottom: 0.9rem; }

/* ----------------------------- wireframes ---------------------------- */

.wf-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 2rem 0 1.5rem; }
.wf-tab {
  font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.06em;
  color: var(--text-soft); background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.45rem 1rem; cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}
.wf-tab:hover { color: var(--text); border-color: var(--line-strong); }
.wf-tab.active { color: #fff; background: rgba(124, 92, 255, 0.18); border-color: var(--violet); }

.wf-panel { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 2.5rem; align-items: center; }
.wf-panel[hidden] { display: none; }
.wf-device { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); box-shadow: var(--shadow); }
.wf-topbar { display: flex; align-items: center; gap: 0.35rem; padding: 0.6rem 0.85rem; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); }
.wf-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, 0.16); }
.wf-topbar b { font-family: var(--mono); font-weight: 400; font-size: 0.7rem; color: var(--text-faint); margin-left: 0.5rem; }
.wf-body { padding: 1.1rem; display: grid; gap: 0.75rem; }
.wf-row { display: grid; grid-template-columns: 1fr; gap: 0.35rem; }
.wf-label { font-size: 0.85rem; color: var(--text-soft); }
.wf-skel { height: 10px; border-radius: 5px; background: linear-gradient(90deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03)); }
.wf-cta {
  margin-top: 0.5rem; padding: 0.7rem 1rem; border: 0; border-radius: 10px;
  background: var(--gradient); color: #fff; font-family: inherit; font-size: 0.9rem; font-weight: 560; opacity: 0.85;
}
.wf-notes .wf-role { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--violet); margin-bottom: 0.6rem; }
.wf-notes h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
.wf-notes p { color: var(--text-soft); }
.wf-hint { font-family: var(--mono); font-size: 0.74rem; color: var(--text-faint); }

.plain-list { display: grid; gap: 0.7rem; }
.plain-list li { color: var(--text-soft); padding-left: 1.2rem; position: relative; font-size: 0.97rem; }
.plain-list li::before { content: "—"; position: absolute; left: 0; color: var(--violet); }
.risk-heading { font-size: 1rem; margin: 2rem 0 1rem; }
.phase-when { font-style: normal; font-family: var(--mono); font-size: 0.72rem; color: var(--text-faint); margin-left: 0.5rem; }

@media (max-width: 960px) {
  .chat-shell, .wf-panel { grid-template-columns: 1fr; gap: 2rem; }
}

@media print {
  .site-header, .cta .btn, .wf-tabs, .site-footer, .hero-grid-bg { display: none !important; }
  body { background: #fff; color: #111; }
  .wf-panel[hidden] { display: grid !important; }
  .card, .step, .wf-device { break-inside: avoid; }
}