/* ════════════════════════════════════════════════════════
   OM6 PERFORMANCE — Landing POC
   Industrial-editorial. Service manual meets Petrolicious.
   Antonio (display) · Newsreader (body) · DM Mono (technical).
   ════════════════════════════════════════════════════════ */

:root {
  --paper:        #ffffff;
  --paper-warm:   #f6f5f2;
  --paper-line:   #e2e0db;
  --ink:          #0a0a0a;
  --ink-soft:     #181816;
  --ink-line:     #2a2a28;
  --oxide:        #b6391e;
  --oxide-deep:   #7a2412;
  --muted:        #6b6b68;
  --muted-light:  #aaaaa6;

  --font-display: 'Antonio', 'Arial Narrow', sans-serif;
  --font-body:    'Newsreader', Georgia, serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  --rule: 1px solid var(--paper-line);
  --rule-ink: 1px solid var(--ink-line);

  --max: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }

/* ── Type primitives ─────────────────────────────────────── */
.mono { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.kicker-sub { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); display: block; margin-top: 6px; }

/* ── TOP BAR ─────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: var(--rule);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
}
.brand { display: flex; align-items: center; }
/* Logo PNG is white-on-transparent. On paper bg, invert. */
.brand-logo {
  width: 116px; height: auto;
  filter: invert(1);
}

.nav { display: flex; gap: 28px; justify-content: center; flex-wrap: wrap; }
.nav a {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink); position: relative; padding: 4px 0;
  transition: color .2s ease;
}
.nav a:hover { color: var(--oxide); }
.nav a:not(.nav-cta)::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 1px; background: var(--oxide); transition: right .25s ease;
}
.nav a:not(.nav-cta):hover::after { right: 0; }
.nav a.nav-cta {
  background: var(--ink); color: var(--paper);
  padding: 8px 14px; border-radius: 0;
  transition: background .2s ease, color .2s ease;
}
.nav a.nav-cta:hover { background: var(--oxide); color: var(--paper); }

.status { display: flex; align-items: center; gap: 8px; }
.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #2a8c3b; box-shadow: 0 0 0 0 rgba(42,140,59,.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(42,140,59,.55); }
  70%  { box-shadow: 0 0 0 8px rgba(42,140,59,0); }
  100% { box-shadow: 0 0 0 0 rgba(42,140,59,0); }
}
.status-text { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(40px, 7vw, 96px) var(--gutter) 0;
  background:
    radial-gradient(circle at 80% 18%, rgba(182,57,30,0.07), transparent 55%),
    repeating-linear-gradient(0deg, transparent 0 32px, rgba(14,12,8,0.025) 32px 33px),
    var(--paper);
  border-bottom: var(--rule);
  animation: hero-rise .9s ease-out both;
}
@keyframes hero-rise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}

.hero-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: end;
  padding-bottom: clamp(40px, 6vw, 84px);
}
.hero-meta { grid-column: 1 / -1; padding-bottom: 24px; border-bottom: var(--rule); margin-bottom: 32px; }

.hero-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(50px, 8.5vw, 124px);
  line-height: 0.94; letter-spacing: -0.015em;
  text-transform: uppercase;
  color: var(--ink);
}
.hero-line { display: block; }
.hero-line.accent {
  color: var(--oxide); font-style: italic; font-weight: 600;
  font-family: var(--font-body);
  text-transform: none;
  font-size: 0.78em;
  letter-spacing: -0.01em;
  padding-left: clamp(28px, 5vw, 80px);
}

.hero-tagline {
  margin-top: 24px;
  color: var(--oxide); letter-spacing: 0.16em;
  font-size: 12px;
}

.hero-sub {
  margin-top: 14px; max-width: 540px;
  font-size: clamp(17px, 1.4vw, 21px); line-height: 1.5;
  color: var(--ink-soft);
}
.hero-cta { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; padding: 16px 22px; border: 1px solid var(--ink);
  cursor: pointer; transition: all .22s ease;
}
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { background: var(--oxide); border-color: var(--oxide); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-large { padding: 22px 30px; font-size: 12px; }

/* Hero data card */
.data-card {
  background: var(--paper-warm);
  border: var(--rule);
  border-top: 4px solid var(--ink);
  padding: 22px;
  position: relative;
}
.data-card::before {
  content: ''; position: absolute; top: 14px; right: 14px;
  width: 12px; height: 12px; background: var(--oxide); border-radius: 50%;
  box-shadow: 0 0 0 3px var(--paper-warm), 0 0 0 4px var(--ink);
}
.data-card-head {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em;
  color: var(--muted); padding-bottom: 14px; margin-bottom: 14px;
  border-bottom: 1px dashed var(--paper-line);
}
.data-rows { display: flex; flex-direction: column; gap: 0; }
.data-rows > div {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 12px; padding: 9px 0;
  border-bottom: 1px dashed var(--paper-line);
  transition: background .18s ease, padding .18s ease;
}
.data-rows > div:last-child { border-bottom: 0; }
.data-rows dt { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); padding-top: 2px; }
.data-rows dd { font-family: var(--font-body); font-size: 14px; color: var(--ink); }
.data-rows .row-hot { background: rgba(182,57,30,0.06); padding-left: 6px; padding-right: 6px; }

.data-card-foot { margin-top: 14px; padding-top: 14px; border-top: var(--rule); }
.stencil {
  display: inline-block;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--oxide);
  border: 1px solid var(--oxide); padding: 4px 10px;
}

.hero-marquee {
  position: relative; overflow: hidden; border-top: var(--rule);
  padding: 14px 0; background: var(--paper-warm);
  margin: 0 calc(var(--gutter) * -1);
}
.marquee-track {
  display: flex; gap: 0;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink); white-space: nowrap;
  animation: marquee 38s linear infinite;
}
.marquee-track span { padding-right: 24px; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── SECTION BASE ────────────────────────────────────────── */
.section {
  padding: clamp(64px, 9vw, 130px) var(--gutter);
}

.section-paper { background: var(--paper); color: var(--ink); }
.section-ink   { background: var(--ink);   color: var(--paper); }
.section-form  { background: var(--paper-warm); color: var(--ink); border-top: var(--rule); }

.section-head {
  max-width: var(--max); margin: 0 auto clamp(40px, 5vw, 72px);
  display: grid; gap: 14px;
}
.section-head-narrow { max-width: 760px; }
.chapter {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--oxide);
  display: inline-flex; align-items: center; gap: 10px;
}
.chapter::before { content: ''; width: 28px; height: 1px; background: var(--oxide); }
.chapter-light { color: var(--oxide); }
.chapter-light::before { background: var(--oxide); }

.section-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(38px, 5.5vw, 76px); line-height: 0.98;
  letter-spacing: -0.01em; max-width: 18ch;
  text-transform: uppercase;
}
.section-title-light { color: var(--paper); }
.section-lede { max-width: 56ch; font-size: clamp(16px, 1.2vw, 19px); color: var(--muted); }

/* ── 01 · LINEUP (3 product lines) ───────────────────────── */
.lineup {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: var(--rule); border-left: var(--rule);
}
.lineup-item {
  background: var(--paper);
  border-right: var(--rule); border-bottom: var(--rule);
  display: flex; flex-direction: column;
  transition: background .25s ease;
}
.lineup-item:hover { background: var(--paper-warm); }
.lineup-photo {
  aspect-ratio: 4/3; overflow: hidden;
  background: var(--ink);
  border-bottom: var(--rule);
}
.lineup-photo img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease, filter .4s ease;
  filter: contrast(1.04) saturate(0.92);
}
.lineup-item:hover .lineup-photo img { transform: scale(1.04); filter: contrast(1.08) saturate(1); }
.lineup-body { padding: 24px 26px 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.lineup-body .mono { color: var(--oxide); }
.lineup-body h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(20px, 2vw, 26px); line-height: 1.1;
  text-transform: uppercase;
}
.lineup-body p { font-size: 15px; color: var(--ink-soft); }
.lineup-price { margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--paper-line); color: var(--ink); }

/* ── 02 · WORKBENCH (photo + copy) ──────────────────────── */
.workbench-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 80px);
  align-items: stretch;
}
.workbench-figure { display: flex; flex-direction: column; }
.workbench-photo {
  position: relative; aspect-ratio: 3/4;
  border: 1px solid var(--ink-line);
  overflow: hidden; background: var(--ink);
}
.workbench-photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: contrast(1.06) saturate(0.95) brightness(1.02);
}
.workbench-label {
  position: absolute; bottom: 14px; left: 14px;
  background: rgba(10,10,10,0.78); color: var(--paper);
  padding: 6px 10px; letter-spacing: 0.18em;
  border: 1px solid rgba(182,57,30,0.5);
}
.workbench-copy { color: var(--paper); display: flex; flex-direction: column; gap: 22px; max-width: 60ch; align-self: center; }
.workbench-pull {
  font-family: var(--font-body); font-style: italic;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.28; color: var(--paper);
  border-left: 3px solid var(--oxide);
  padding-left: 22px;
}
.workbench-copy p { color: var(--muted-light); font-size: 17px; line-height: 1.6; }
.workbench-aside {
  border-top: 1px dashed var(--ink-line);
  padding-top: 20px;
  font-size: 16px;
}

/* ── 03 · LINES GRID ────────────────────────────────────── */
.lines-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: var(--rule); border-left: var(--rule);
}
.line {
  position: relative;
  padding: 36px 32px 32px;
  border-right: var(--rule); border-bottom: var(--rule);
  background: var(--paper);
  transition: background .22s ease, padding-left .22s ease;
}
.line:hover { background: var(--paper-warm); padding-left: 40px; }
.line-num { color: var(--oxide); display: block; margin-bottom: 18px; }
.line h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(20px, 2.2vw, 28px); line-height: 1.1;
  text-transform: uppercase;
}
.line-meta { color: var(--muted); margin-top: 10px; }

/* ── 04 · ABOUT ─────────────────────────────────────────── */
.about-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 360px 1fr;
  gap: clamp(32px, 5vw, 88px); align-items: start;
}
.about-portrait { display: flex; flex-direction: column; }
.portrait-frame {
  aspect-ratio: 4/5;
  border: 1px solid var(--ink-line);
  overflow: hidden;
  background: var(--ink-soft);
}
.portrait-frame img {
  width: 100%; height: 100%; object-fit: cover;
  filter: contrast(1.08) saturate(0.85);
}
.portrait-caption {
  margin-top: 14px;
  color: var(--paper);
  letter-spacing: 0.14em; line-height: 1.7;
}

.about-copy { color: var(--paper); display: grid; gap: 22px; max-width: 60ch; }
.about-copy p { color: var(--muted-light); font-size: 17px; line-height: 1.6; }
.about-copy .about-mission {
  font-family: var(--font-body); font-style: italic;
  font-size: clamp(20px, 2vw, 26px); line-height: 1.3;
  color: var(--paper);
  border-left: 3px solid var(--oxide);
  padding-left: 22px;
}
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.about-tags li {
  border: 1px solid var(--muted); padding: 6px 12px;
  font-size: 10px; letter-spacing: 0.18em; color: var(--muted-light);
}

/* ── 05 · PARTS GRID ────────────────────────────────────── */
.parts-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; border-top: var(--rule); border-left: var(--rule);
}
.part {
  padding: 18px; border-right: var(--rule); border-bottom: var(--rule);
  background: var(--paper); transition: background .2s ease;
  display: flex; flex-direction: column; gap: 12px;
}
.part:hover { background: var(--paper-warm); }
.part-thumb {
  aspect-ratio: 1; overflow: hidden;
  border: 1px solid var(--paper-line); background: var(--ink);
}
.part-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  filter: contrast(1.04) saturate(0.92);
  transition: transform .5s ease;
}
.part:hover .part-thumb img { transform: scale(1.05); }
.part h3 { font-family: var(--font-display); font-weight: 500; font-size: 17px; line-height: 1.18; text-transform: uppercase; }
.part-meta { color: var(--muted); font-size: 10px; }
.part-price { color: var(--oxide); margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--paper-line); font-size: 12px; }

#shelf .link-arrow-dark { display: inline-block; margin-top: 36px; }

.link-arrow {
  display: inline-block; margin-top: 18px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--oxide);
  border-bottom: 1px solid var(--oxide); padding-bottom: 4px;
  transition: gap .2s, padding-right .2s ease, color .2s ease;
}
.link-arrow:hover { color: var(--paper); border-color: var(--paper); padding-right: 8px; }
.link-arrow-dark { color: var(--oxide); border-color: var(--oxide); }
.link-arrow-dark:hover { color: var(--ink); border-color: var(--ink); }

/* ── 06 · INTAKE ────────────────────────────────────────── */
.intake-form {
  max-width: 920px; margin: 0 auto;
  display: grid; gap: 24px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.intake-form label,
.intake-form .form-full {
  display: flex; flex-direction: column; gap: 8px;
}
.intake-form input,
.intake-form select,
.intake-form textarea {
  font-family: var(--font-body); font-size: 16px; color: var(--ink);
  background: var(--paper-warm);
  border: none; border-bottom: 1px solid var(--ink);
  padding: 12px 0; outline: none;
  transition: border-color .2s ease, padding-left .2s ease;
}
.intake-form input:focus,
.intake-form select:focus,
.intake-form textarea:focus { border-color: var(--oxide); padding-left: 8px; }
.intake-form textarea { resize: vertical; }
.form-full { grid-column: 1 / -1; }

.form-actions {
  display: flex; align-items: center; gap: 28px;
  flex-wrap: wrap; padding-top: 16px;
  border-top: 1px dashed var(--paper-line);
}
.form-disclaimer { color: var(--muted); }
.form-disclaimer a { color: var(--oxide); border-bottom: 1px solid var(--oxide); }

/* ── FOOTER ─────────────────────────────────────────────── */
.footer { background: var(--ink); color: var(--paper); padding: clamp(56px, 7vw, 96px) var(--gutter) 0; }
.footer-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1.2fr;
  gap: 48px; padding-bottom: 48px;
  border-bottom: 1px solid var(--ink-line);
}
.footer-card { display: flex; flex-direction: column; gap: 18px; }
.footer-logo { width: 140px; height: auto; }
.footer-stamp {
  border: 1px solid var(--paper); padding: 12px 14px;
  font-size: 10px; letter-spacing: 0.22em; line-height: 1.7;
  display: flex; flex-direction: column;
  color: var(--paper); align-self: flex-start;
}
.footer-col h4 { margin-bottom: 12px; color: var(--oxide); font-weight: 500; }
.footer-col p { color: var(--muted-light); line-height: 1.7; font-size: 15px; }
.footer-col a { border-bottom: 1px solid var(--ink-line); transition: border-color .2s; }
.footer-col a:hover { border-color: var(--oxide); }

.footer-strip {
  max-width: var(--max); margin: 0 auto; padding: 18px 0 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  color: var(--muted); font-size: 9.5px; letter-spacing: 0.2em;
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .topbar-inner { grid-template-columns: auto auto; gap: 14px; }
  .nav { grid-column: 1 / -1; order: 3; justify-content: flex-start; flex-wrap: wrap; gap: 16px; }
  .status { justify-self: end; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-data { order: 3; }
  .lineup { grid-template-columns: 1fr; }
  .workbench-grid { grid-template-columns: 1fr; }
  .lines-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .parts-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; gap: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-line.accent { padding-left: 14px; }
  .lines-grid { grid-template-columns: 1fr; }
}

/* ── CHAT WIDGET ────────────────────────────────────────── */
.chat-trigger {
  position: fixed; right: 22px; bottom: 22px; z-index: 100;
  width: 60px; height: 60px;
  background: var(--ink); color: var(--paper);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 40px rgba(0,0,0,0.18), 0 4px 10px rgba(0,0,0,0.12);
  transition: background .25s ease, transform .25s ease, color .25s ease;
}
.chat-trigger svg { width: 26px; height: 26px; }
.chat-trigger:hover { background: var(--oxide); transform: translateY(-2px); }
.chat-trigger.is-open { background: var(--oxide); transform: rotate(90deg); }
.chat-trigger-pulse {
  position: absolute; inset: 0;
  border: 2px solid var(--oxide);
  pointer-events: none; opacity: 0;
}
.chat-trigger.has-pulse:not(.is-open) .chat-trigger-pulse {
  animation: chat-pulse 2.6s ease-out infinite;
}
@keyframes chat-pulse {
  0%   { opacity: 0.6; transform: scale(1); }
  70%  { opacity: 0;   transform: scale(1.55); }
  100% { opacity: 0;   transform: scale(1.55); }
}

.chat-panel[hidden] { display: none; }
.chat-panel {
  position: fixed; right: 22px; bottom: 96px; z-index: 100;
  width: min(380px, calc(100vw - 32px));
  max-height: min(640px, calc(100vh - 130px));
  background: var(--paper);
  border: 1px solid var(--ink);
  display: flex; flex-direction: column;
  box-shadow: 0 24px 60px rgba(0,0,0,0.22), 0 6px 18px rgba(0,0,0,0.12);
  font-size: 14px;
  animation: chat-slide .28s cubic-bezier(.2,.8,.3,1.2) both;
}
@keyframes chat-slide {
  from { opacity: 0; transform: translateY(10px) scale(.985); }
  to   { opacity: 1; transform: none; }
}

.chat-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  background: var(--ink); color: var(--paper);
  border-bottom: 4px solid var(--oxide);
}
.chat-id { display: flex; align-items: center; gap: 12px; }
.chat-id strong {
  font-family: var(--font-display); font-weight: 600;
  font-size: 16px; letter-spacing: 0.04em; text-transform: uppercase;
  display: block; line-height: 1;
}
.chat-status { color: var(--muted-light); font-size: 9.5px; display: block; margin-top: 4px; }
.chat-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #2a8c3b;
  box-shadow: 0 0 0 0 rgba(42,140,59,.55);
  animation: pulse 2.4s infinite;
}
.chat-close {
  background: none; border: none; color: var(--paper);
  font-size: 24px; line-height: 1; cursor: pointer;
  width: 28px; height: 28px;
  transition: color .2s ease;
}
.chat-close:hover { color: var(--oxide); }

.chat-log {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
  display: flex; flex-direction: column; gap: 14px;
  background:
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(10,10,10,0.025) 28px 29px),
    var(--paper);
}
.msg { display: flex; flex-direction: column; gap: 4px; max-width: 85%; }
.msg p { font-size: 14px; line-height: 1.5; }
.msg p + p { margin-top: 6px; }
.msg .mono { font-size: 9.5px; }
.msg-meta { color: var(--muted); }
.msg a { color: var(--oxide); border-bottom: 1px solid var(--oxide); }
.msg-bot {
  align-self: flex-start;
}
.msg-bot p {
  background: var(--paper-warm);
  border: 1px solid var(--paper-line);
  padding: 10px 12px;
  color: var(--ink);
}
.msg-bot p.msg-foot { background: transparent; border: 0; padding: 4px 4px 0; color: var(--muted); font-style: italic; font-size: 12px; }
.msg-user {
  align-self: flex-end; align-items: flex-end;
}
.msg-user p {
  background: var(--ink); color: var(--paper);
  padding: 10px 12px;
}
.msg-user .msg-meta { text-align: right; }

.msg-typing {
  flex-direction: row; gap: 4px;
  background: var(--paper-warm);
  border: 1px solid var(--paper-line);
  padding: 10px 12px;
  width: fit-content;
}
.msg-typing .dot {
  width: 6px; height: 6px; background: var(--ink); border-radius: 50%;
  animation: chat-dot 1s ease-in-out infinite;
}
.msg-typing .dot:nth-child(2) { animation-delay: .15s; }
.msg-typing .dot:nth-child(3) { animation-delay: .3s; }
@keyframes chat-dot {
  0%, 80%, 100% { opacity: .3; transform: translateY(0); }
  40%           { opacity: 1;  transform: translateY(-3px); }
}

.chat-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.chat-chips button {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink);
  background: transparent; border: 1px solid var(--ink);
  padding: 6px 10px; cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.chat-chips button:hover { background: var(--ink); color: var(--paper); }

.chat-form {
  display: grid; grid-template-columns: 1fr auto;
  border-top: 1px solid var(--ink);
  background: var(--paper);
}
.chat-form input {
  font-family: var(--font-body); font-size: 14px;
  padding: 14px 16px; border: 0; outline: 0;
  background: transparent; color: var(--ink);
}
.chat-form input::placeholder { color: var(--muted); }
.chat-form button {
  font-family: var(--font-mono); font-size: 18px;
  background: var(--ink); color: var(--paper);
  border: 0; padding: 0 18px; cursor: pointer;
  transition: background .2s ease;
}
.chat-form button:hover { background: var(--oxide); }

.chat-disclaimer {
  padding: 8px 16px 10px;
  text-align: center; color: var(--muted); font-size: 9px;
  background: var(--paper-warm);
  border-top: 1px solid var(--paper-line);
}

@media (max-width: 480px) {
  .chat-panel { right: 12px; left: 12px; width: auto; bottom: 86px; }
  .chat-trigger { right: 14px; bottom: 14px; }
}

/* ── A11Y / MOTION ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}