/* ─── Cursor design tokens — dark theme (design-cursor.md) ─── */
:root {
  --primary: #f54e00;
  --primary-active: #d04200;
  --ink: #f7f7f4;
  --body: #a09c92;
  --body-strong: #f7f7f4;
  --muted: #807d72;
  --muted-soft: #6b6860;
  --hairline: #2e2d28;
  --hairline-soft: #1f1e1b;
  --hairline-strong: #3d3b36;
  --canvas: #121210;
  --canvas-soft: #1a1917;
  --surface-card: #1e1d1a;
  --surface-strong: #2a2926;
  --on-primary: #ffffff;
  --on-timeline: #26251e;
  --timeline-thinking: #dfa88f;
  --timeline-grep: #9fc9a2;
  --timeline-read: #9fbbe0;
  --timeline-edit: #c0a8dd;
  --timeline-done: #c08532;
  --semantic-error: #cf2d56;
  --semantic-success: #1f8a65;

  --font: Inter, system-ui, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-pill: 9999px;

  --xxs: 4px;
  --xs: 8px;
  --sm: 12px;
  --base: 16px;
  --md: 20px;
  --lg: 24px;
  --xl: 32px;
  --xxl: 48px;
  --section: 80px;
  --nav-height: 64px;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--body);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--lg);
}

/* ─── Typography ─── */
.display-mega {
  font-size: clamp(32px, 7vw, 72px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -2.16px;
  color: var(--ink);
  margin: 0;
}

.display-lg {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin: 0 0 var(--base);
}

.display-md {
  font-size: clamp(22px, 3vw, 26px);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin: 0 0 var(--sm);
}

.display-sm {
  font-size: 22px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin: 0 0 var(--xs);
}

.title-md {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 var(--xs);
}

.title-sm {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin: 0;
}

.body-md {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--body);
  margin: 0;
}

.body-md--spaced { margin-top: var(--base); }

.body-sm {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--body);
  margin: 0;
}

.caption-uppercase {
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--xs);
}

.caption { font-size: 13px; line-height: 1.4; color: var(--muted); margin: 0; }

.text-ink { color: var(--ink); }
.text-primary { color: var(--primary); }

.section-lead {
  max-width: 640px;
  margin-bottom: var(--xxl);
}

/* ─── Top Navigation ─── */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline-soft);
  height: var(--nav-height);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--lg);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sm);
  min-width: 0;
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: var(--rounded-sm);
  object-fit: cover;
}

.nav-logo-text {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--lg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--lg);
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
}

.nav-link:hover { color: var(--primary); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sm);
  flex-shrink: 0;
}

.button-tertiary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  background: transparent;
  border: none;
  min-height: 40px;
  padding: 10px 12px;
  cursor: pointer;
  border-radius: var(--rounded-md);
}

.button-tertiary:hover { color: var(--primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-md);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  margin: 0 auto;
  transition: transform 0.2s, opacity 0.2s;
}

/* ─── Buttons ─── */
.button-primary,
.button-secondary,
.button-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--rounded-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.button-primary {
  background: var(--primary);
  color: var(--on-primary);
  min-height: 40px;
  padding: 10px 18px;
}

.button-primary:hover { background: var(--primary-active); }

.button-secondary {
  background: var(--surface-card);
  color: var(--ink);
  min-height: 40px;
  padding: 9px 17px;
  border-color: var(--hairline-strong);
}

.button-secondary:hover { border-color: var(--ink); }

.button-download {
  background: var(--ink);
  color: var(--canvas);
  min-height: 44px;
  padding: 12px 20px;
}

.button-download:hover { background: #e0dfd8; }

.button-nav { min-height: 36px; padding: 8px 16px; }

/* ─── Hero ─── */
.hero-band {
  --hero-mx: 0;
  --hero-my: 0;
  position: relative;
  padding: calc(var(--section) + 24px) 0 var(--section);
  background: var(--canvas);
  overflow: hidden;
  isolation: isolate;
}

.hero-scene {
  position: absolute;
  inset: 0;
  pointer-events: none;
  animation: hero-scene-float 28s ease-in-out infinite;
}

.hero-grid {
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(rgba(247, 247, 244, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 247, 244, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 38%, #000 15%, transparent 72%);
  animation: hero-grid-drift 80s linear infinite;
  opacity: 0.7;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  will-change: transform, opacity;
}

.hero-orb--orange {
  top: 8%;
  left: 50%;
  width: min(520px, 70vw);
  height: min(520px, 70vw);
  margin-left: min(-260px, -35vw);
  background: radial-gradient(circle, rgba(245, 78, 0, 0.14) 0%, transparent 68%);
  animation: hero-orb-pulse 18s ease-in-out infinite, hero-orb-drift 24s ease-in-out infinite;
}

.hero-orb--blue {
  bottom: 5%;
  left: 30%;
  width: min(400px, 55vw);
  height: min(400px, 55vw);
  background: radial-gradient(circle, rgba(100, 140, 210, 0.1) 0%, transparent 68%);
  animation: hero-orb-pulse 22s ease-in-out infinite reverse, hero-orb-drift-alt 30s ease-in-out infinite;
}

.hero-logo-ambient {
  position: absolute;
  top: 42%;
  left: 50%;
  width: min(560px, 92vw);
  height: min(560px, 92vw);
  transform: translate(-50%, -50%)
    translate(calc(var(--hero-mx) * 28px), calc(var(--hero-my) * 22px));
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-logo-ambient-inner {
  position: relative;
  width: 100%;
  height: 100%;
  animation: hero-logo-float 16s ease-in-out infinite;
}

.hero-logo-ambient-inner::before {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 78, 0, 0.12) 0%, rgba(100, 140, 210, 0.06) 45%, transparent 70%);
  filter: blur(40px);
  animation: hero-glow-pulse 14s ease-in-out infinite;
}

.hero-logo-ambient img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.11;
  filter: blur(1.5px) saturate(1.1);
  mix-blend-mode: screen;
  animation: hero-logo-breathe 24s ease-in-out infinite;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 50% 40%, transparent 30%, var(--canvas) 88%),
    linear-gradient(180deg, transparent 60%, var(--canvas) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--lg);
  text-align: center;
}

.hero-content {
  transform: translate(calc(var(--hero-mx) * 10px), calc(var(--hero-my) * 8px));
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-mark {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--lg);
  border-radius: var(--rounded-lg);
  overflow: hidden;
  opacity: 0.92;
  animation: hero-mark-float 14s ease-in-out infinite;
}

.hero-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: drop-shadow(0 0 24px rgba(245, 78, 0, 0.2));
}

.hero-tagline {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.11px;
  color: var(--body);
  max-width: 520px;
  margin: var(--base) auto var(--xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sm);
  margin-bottom: var(--xxl);
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--xs);
}

@keyframes hero-scene-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes hero-grid-drift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(72px, 72px); }
}

@keyframes hero-orb-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

@keyframes hero-orb-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(18px, -12px) scale(1.04); }
}

@keyframes hero-orb-drift-alt {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-14px, 10px) scale(1.03); }
}

@keyframes hero-logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes hero-logo-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.025); }
}

@keyframes hero-glow-pulse {
  0%, 100% { opacity: 0.5; transform: scale(0.98); }
  50% { opacity: 0.85; transform: scale(1.03); }
}

@keyframes hero-mark-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-scene,
  .hero-grid,
  .hero-orb,
  .hero-logo-ambient-inner,
  .hero-logo-ambient-inner::before,
  .hero-logo-ambient img,
  .hero-mark {
    animation: none !important;
  }

  .hero-logo-ambient,
  .hero-content {
    transition: none;
    transform: none;
  }
}

.badge-pill {
  display: inline-block;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  border-radius: var(--rounded-pill);
  padding: 4px 10px;
}

/* ─── Sections ─── */
.section {
  padding: var(--section) 0;
  border-top: 1px solid var(--hairline-soft);
}

.section-header {
  margin-bottom: var(--xxl);
  max-width: 720px;
}

.section-header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ─── Feature cards ─── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--base);
}

.feature-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.feature-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: var(--lg);
}

.feature-card .body-md { margin-top: var(--xs); }

.focus-list {
  list-style: none;
  padding: 0;
  margin: var(--lg) 0 0;
  display: grid;
  gap: var(--sm);
}

.focus-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sm);
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
}

.focus-list li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  border-radius: var(--rounded-pill);
  background: var(--primary);
}

/* ─── AI mockup (ide-mockup-card) ─── */
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--xl);
  align-items: center;
}

.ide-mockup-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
}

.ide-mockup-header {
  display: flex;
  align-items: center;
  gap: var(--xs);
  padding: var(--sm) var(--base);
  border-bottom: 1px solid var(--hairline);
}

.ide-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--rounded-pill);
  background: var(--hairline-strong);
}

.ide-mockup-body {
  display: grid;
  grid-template-columns: 140px 1fr;
  min-height: 280px;
}

.ide-sidebar {
  background: var(--canvas-soft);
  border-right: 1px solid var(--hairline);
  padding: var(--base);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  line-height: 1.8;
}

.ide-main {
  padding: var(--base);
  display: flex;
  flex-direction: column;
  gap: var(--sm);
}

.ide-pane {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--rounded-md);
  padding: var(--base);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--body);
}

.ide-pane .keyword { color: var(--primary); }
.ide-pane .string { color: var(--semantic-success); }
.ide-pane .comment { color: var(--muted-soft); }

.timeline-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--xs);
  padding: var(--sm) var(--base);
  border-top: 1px solid var(--hairline);
}

.timeline-pill {
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  border-radius: var(--rounded-pill);
  padding: 4px 10px;
  color: var(--on-timeline);
}

.timeline-pill--thinking { background: var(--timeline-thinking); }
.timeline-pill--grep { background: var(--timeline-grep); }
.timeline-pill--read { background: var(--timeline-read); }
.timeline-pill--edit { background: var(--timeline-edit); }
.timeline-pill--done { background: var(--timeline-done); color: var(--on-primary); }

/* ─── Community ─── */
.community-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--xl);
  align-items: start;
}

.community-quote {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: var(--xl);
}

.community-quote .display-md {
  font-style: normal;
  letter-spacing: -0.325px;
}

.community-quote--spaced { margin-top: var(--xxl); }

.community-tiers {
  display: grid;
  gap: var(--base);
}

.tier-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: var(--lg);
  display: flex;
  gap: var(--base);
  align-items: flex-start;
}

.tier-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--primary);
  flex-shrink: 0;
  padding-top: 2px;
}

/* ─── CTA band ─── */
.cta-band {
  padding: 96px 0;
  background: var(--canvas);
  border-top: 1px solid var(--hairline-soft);
  text-align: center;
}

.cta-band .body-md {
  max-width: 520px;
  margin: var(--base) auto var(--xl);
}

/* ─── Footer ─── */
.footer {
  padding: 64px var(--lg);
  background: var(--canvas);
  border-top: 1px solid var(--hairline-soft);
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--lg);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--sm);
}

.footer-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--rounded-sm);
  object-fit: cover;
}

/* ─── Modal ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--xl);
  transform: translateY(8px);
  transition: transform 0.2s;
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--base);
  margin-bottom: var(--xl);
}

.modal-close {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-md);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  color: var(--ink);
}

.modal-close:hover { border-color: var(--hairline-strong); }

.form-group {
  margin-bottom: var(--base);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: var(--xs);
}

.form-label .required { color: var(--primary); }

.text-input,
.textarea {
  width: 100%;
  background: var(--canvas-soft);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--rounded-md);
  padding: 12px 16px;
  transition: border-color 0.15s;
}

.text-input { height: 44px; }

.textarea {
  min-height: 100px;
  resize: vertical;
}

.text-input:focus,
.textarea:focus {
  outline: none;
  border-color: var(--ink);
}

.text-input.error { border-color: var(--semantic-error); }

.form-error {
  font-size: 13px;
  color: var(--semantic-error);
  margin-top: var(--xxs);
}

.form-actions {
  margin-top: var(--xl);
}

/* ─── Login modal ─── */
.modal--login {
  position: relative;
  padding-top: var(--lg);
}

.modal-close--corner {
  position: absolute;
  top: var(--base);
  right: var(--base);
}

.login-error {
  margin: 0 0 var(--base);
  padding: var(--sm) var(--base);
  background: rgba(207, 45, 86, 0.12);
  border: 1px solid var(--semantic-error);
  border-radius: var(--rounded-md);
  font-size: 14px;
  color: var(--semantic-error);
}

.login-title {
  font-size: 22px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin: 0 0 var(--xl);
  padding-right: var(--xxl);
}

.modal-footer-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--xl);
}

/* ─── Chat widget ─── */
.chat-fab {
  position: fixed;
  bottom: var(--lg);
  right: var(--lg);
  z-index: 90;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--rounded-pill);
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

.chat-fab:hover { background: var(--primary-active); }

.chat-fab-icon { display: block; }

.chat-panel {
  position: fixed;
  bottom: calc(var(--lg) + 56px + var(--base));
  right: var(--lg);
  z-index: 90;
  width: min(380px, calc(100vw - 48px));
  height: min(480px, calc(100vh - 120px));
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.98);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
}

.chat-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--base);
  padding: var(--base) var(--base) var(--sm);
  border-bottom: 1px solid var(--hairline);
  background: var(--canvas-soft);
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: var(--sm);
  min-width: 0;
}

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--rounded-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.chat-close {
  width: 32px;
  height: 32px;
  font-size: 16px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--base);
  display: flex;
  flex-direction: column;
  gap: var(--sm);
}

.chat-message {
  max-width: 88%;
  padding: var(--sm) var(--base);
  border-radius: var(--rounded-lg);
}

.chat-message--agent {
  align-self: flex-start;
  background: var(--canvas-soft);
  border: 1px solid var(--hairline-soft);
}

.chat-message--user {
  align-self: flex-end;
  background: var(--primary);
  color: var(--on-primary);
}

.chat-message--user .body-sm { color: var(--on-primary); }

.chat-input-row {
  display: flex;
  gap: var(--xs);
  padding: var(--base);
  border-top: 1px solid var(--hairline);
  background: var(--surface-card);
}

.chat-input {
  flex: 1;
  min-width: 0;
  height: 40px;
  padding: 8px 12px;
  font-size: 14px;
}

.chat-send {
  min-height: 40px;
  padding: 8px 16px;
}

/* ─── Toast ─── */
.toast {
  position: fixed;
  bottom: var(--lg);
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  z-index: 300;
  background: var(--ink);
  color: var(--canvas);
  font-size: 14px;
  padding: var(--sm) var(--lg);
  border-radius: var(--rounded-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  max-width: calc(100vw - 48px);
  text-align: center;
}

.toast.visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-layout { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    align-items: stretch;
    padding: var(--base) var(--lg) var(--lg);
    gap: var(--base);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.2s, opacity 0.2s, visibility 0.2s;
    z-index: 99;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--xs);
  }

  .button-tertiary,
  .button-nav { width: 100%; }

  .nav-link {
    padding: var(--sm) 0;
    border-bottom: 1px solid var(--hairline-soft);
  }

  .nav-link:last-of-type { border-bottom: none; }

  .chat-panel {
    bottom: calc(var(--lg) + 56px + var(--xs));
    right: var(--base);
    left: var(--base);
    width: auto;
  }

  .feature-grid,
  .feature-grid--2 { grid-template-columns: 1fr; }

  .ide-mockup-body { grid-template-columns: 1fr; }
  .ide-sidebar { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero-band { padding: 64px 0; }
  .cta-band { padding: 64px 0; }
}