/*
  VoiceMind Dev — terminal / IDE identity (uniqueness pass 1, 2026-07-14).
  Flat dark surface, 1px borders, JetBrains Mono for display, system sans for body.
  Shared family core: dark base, 3-step radius scale, motion-kit timings.
  Kit colors are overridden via --vm-kit-* custom properties (kit files stay byte-identical).
*/

@font-face {
  font-family: 'JetBrains Mono';
  src: url('./fonts/JetBrainsMono-Regular.woff2?v=20260714a') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('./fonts/JetBrainsMono-Bold.woff2?v=20260714a') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('./fonts/JetBrainsMono-ExtraBold.woff2?v=20260714a') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --vm-bg: #0d1117;
  --vm-bg-deep: #010409;
  --vm-surface: #11161d;
  --vm-surface-2: #161b22;
  --vm-border: #21262d;
  --vm-border-strong: #30363d;
  --vm-ink: #e6edf3;
  --vm-muted: #8b949e;
  --vm-faint: #6e7681;
  --vm-accent: #3fb950;
  --vm-accent-strong: #2ea043;
  --vm-accent-soft: rgba(63, 185, 80, 0.14);
  --vm-accent-2: #58a6ff;
  --vm-accent-2-soft: rgba(88, 166, 255, 0.13);
  --vm-orange: #ffa657;
  --vm-red: #ff7b72;
  --vm-purple: #bc8cff;
  --vm-radius-s: 4px;
  --vm-radius-m: 8px;
  --vm-radius-pill: 999px;
  --vm-font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  --vm-font-body: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  /* voice-motion-kit theme override: dev speaks syntax-green/blue, not family mint */
  --vm-kit-mint: #3fb950;
  --vm-kit-blue: #58a6ff;
  --vm-kit-cyan: #79c0ff;
  --vm-kit-bg: #0d1117;
  --vm-kit-line: rgba(88, 166, 255, 0.18);
  --vm-kit-mint-soft: rgba(63, 185, 80, 0.12);
  --vm-kit-blue-soft: rgba(88, 166, 255, 0.12);
  --vm-kit-focus: rgba(63, 185, 80, 0.92);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--vm-bg);
  color: var(--vm-ink);
  font-family: var(--vm-font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(63, 185, 80, 0.35);
  color: var(--vm-ink);
}

a {
  color: var(--vm-accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

:focus-visible {
  outline: 2px solid var(--vm-accent);
  outline-offset: 2px;
  border-radius: var(--vm-radius-s);
}

code {
  font-family: var(--vm-font-mono);
  font-size: 0.88em;
  color: var(--vm-accent-2);
  background: var(--vm-surface-2);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-s);
  padding: 1px 6px;
}

.page-shell {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 22px 40px;
}

/* ---------- topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 22px;
  margin: 0 -22px;
  background: rgba(13, 17, 23, 0.97);
  border-bottom: 1px solid var(--vm-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--vm-ink);
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: var(--vm-radius-s);
  display: block;
}

.brand__copy {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand__eyebrow {
  font-family: var(--vm-font-mono);
  font-size: 0.66rem;
  color: var(--vm-faint);
  letter-spacing: 0.04em;
}

.brand__title {
  font-family: var(--vm-font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}

.topnav {
  display: flex;
  gap: 4px;
  margin-left: 10px;
  flex-wrap: wrap;
}

.topnav__link {
  font-family: var(--vm-font-mono);
  font-size: 0.8rem;
  color: var(--vm-muted);
  padding: 6px 9px;
  border-radius: var(--vm-radius-s);
}

.topnav__link:hover {
  color: var(--vm-ink);
  background: var(--vm-surface-2);
  text-decoration: none;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--vm-border-strong);
  border-radius: var(--vm-radius-s);
  overflow: hidden;
}

.lang-switch__btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--vm-muted);
  font-family: var(--vm-font-mono);
  font-size: 0.75rem;
  padding: 6px 10px;
  cursor: pointer;
}

.lang-switch__btn + .lang-switch__btn {
  border-left: 1px solid var(--vm-border-strong);
}

.lang-switch__btn.is-active {
  color: var(--vm-bg-deep);
  background: var(--vm-accent);
  font-weight: 700;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--vm-font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--vm-radius-s);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background: #238636;
  color: #ffffff;
  border-color: rgba(240, 246, 252, 0.1);
}

.btn--primary:hover {
  background: var(--vm-accent-strong);
}

.btn--secondary {
  background: transparent;
  color: var(--vm-accent-2);
  border-color: var(--vm-border-strong);
}

.btn--secondary:hover {
  border-color: var(--vm-accent-2);
  background: var(--vm-accent-2-soft);
}

.btn--ghost {
  background: transparent;
  color: var(--vm-muted);
  border-color: var(--vm-border-strong);
}

.btn--ghost:hover {
  color: var(--vm-ink);
  border-color: var(--vm-faint);
}

/* ---------- mobile menu ---------- */

.topbar-menu {
  display: none;
  position: relative;
  margin-left: auto;
}

.topbar__menu-toggle {
  list-style: none;
  cursor: pointer;
  font-family: var(--vm-font-mono);
  font-size: 0.85rem;
  color: var(--vm-ink);
  border: 1px solid var(--vm-border-strong);
  border-radius: var(--vm-radius-s);
  padding: 8px 14px;
  user-select: none;
}

.topbar-menu[open] .topbar__menu-toggle {
  border-color: var(--vm-accent);
  color: var(--vm-accent);
}

.topbar__menu-toggle::-webkit-details-marker {
  display: none;
}

.topbar-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 230px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--vm-surface-2);
  border: 1px solid var(--vm-border-strong);
  border-radius: var(--vm-radius-m);
  padding: 10px;
  box-shadow: 0 16px 40px rgba(1, 4, 9, 0.6);
}

.topbar-menu__panel .topnav__link {
  padding: 9px 10px;
}

.lang-switch--menu {
  margin-top: 8px;
  align-self: flex-start;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 48px;
  align-items: center;
  padding: 72px 0 64px;
}

.eyebrow,
.section__eyebrow {
  font-family: var(--vm-font-mono);
  font-size: 0.8rem;
  color: var(--vm-accent);
  margin: 0 0 14px;
}

.hero h1 {
  font-family: var(--vm-font-mono);
  font-weight: 800;
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.hero__lead {
  color: var(--vm-muted);
  font-size: 1.08rem;
  max-width: 34rem;
  margin: 0 0 26px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.badge {
  font-family: var(--vm-font-mono);
  font-size: 0.74rem;
  color: var(--vm-muted);
  border: 1px solid var(--vm-border-strong);
  border-radius: var(--vm-radius-s);
  padding: 4px 9px;
}

.hero__notice {
  color: var(--vm-faint);
  font-size: 0.9rem;
  max-width: 32rem;
  margin: 0;
}

/* ---------- terminal stage ---------- */

.builder-stage {
  min-width: 0;
}

.builder-stage__panel {
  background: var(--vm-bg-deep);
  border: 1px solid var(--vm-border-strong);
  border-radius: var(--vm-radius-m);
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(1, 4, 9, 0.55);
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: var(--vm-surface-2);
  border-bottom: 1px solid var(--vm-border);
}

.terminal__dot {
  width: 11px;
  height: 11px;
  border-radius: var(--vm-radius-pill);
  background: var(--vm-border-strong);
}

.terminal__bar strong {
  font-family: var(--vm-font-mono);
  font-weight: 400;
  font-size: 0.76rem;
  color: var(--vm-muted);
  margin-left: 8px;
}

.builder-workspace {
  padding: 18px 18px 16px;
}

.builder-prompt-panel {
  margin-bottom: 14px;
}

.t-line {
  font-family: var(--vm-font-mono);
  font-size: 0.88rem;
  line-height: 1.75;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.t-prompt {
  color: var(--vm-accent);
  font-weight: 700;
}

.t-line--cmd {
  color: var(--vm-ink);
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.t-type {
  display: inline-block;
  max-width: 42ch;
  white-space: nowrap;
  overflow: hidden;
  border-right: 2px solid var(--vm-accent);
  animation:
    devType 2.1s steps(42, end) 400ms both,
    devCaret 1s step-end infinite;
}

.t-line--out {
  color: var(--vm-muted);
  opacity: 0;
  animation: devLineIn 320ms ease-out forwards;
}

.t-dim {
  color: var(--vm-faint);
}

.t-line--out:nth-of-type(2) { animation-delay: 2.7s; }
.t-line--out:nth-of-type(3) { animation-delay: 3s; }
.t-line--out:nth-of-type(4) { animation-delay: 3.3s; }

.t-ok {
  color: var(--vm-accent);
  font-weight: 700;
}

.t-path {
  font-family: var(--vm-font-mono);
  font-size: 0.76rem;
  color: var(--vm-muted);
}

@keyframes devType {
  from { max-width: 0; }
  to { max-width: 42ch; }
}

@keyframes devCaret {
  0%, 100% { border-right-color: var(--vm-accent); }
  50% { border-right-color: transparent; }
}

@keyframes devLineIn {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: translateY(0); }
}

.builder-preview-window {
  border: 1px solid var(--vm-border-strong);
  border-radius: var(--vm-radius-s);
  overflow: hidden;
  background: var(--vm-bg);
}

.builder-preview-window__bar {
  padding: 7px 12px;
  border-bottom: 1px solid var(--vm-border);
  background: var(--vm-surface);
}

.builder-preview-window img {
  display: block;
  width: 100%;
  height: auto;
}

.builder-publish-row {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  padding-bottom: 8px;
}

.builder-publish-row span {
  font-family: var(--vm-font-mono);
  font-size: 0.76rem;
  color: var(--vm-muted);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-s);
  padding: 4px 10px;
}

/* ---------- sections ---------- */

.section {
  border-top: 1px solid var(--vm-border);
  padding: 64px 0;
}

.section__head {
  max-width: 46rem;
  margin-bottom: 36px;
}

.section__head h2 {
  font-family: var(--vm-font-mono);
  font-weight: 700;
  font-size: clamp(1.45rem, 2.6vw, 2.05rem);
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0 0 12px;
}

.section__lead {
  color: var(--vm-muted);
  font-size: 1rem;
  margin: 0;
}

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

.build-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.build-card {
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-m);
  padding: 20px;
  background: var(--vm-surface);
  transition: border-color 140ms ease;
}

.build-card:hover {
  border-color: var(--vm-border-strong);
}

.build-card__glyph {
  display: inline-block;
  font-family: var(--vm-font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--vm-accent-2);
  background: var(--vm-accent-2-soft);
  border-radius: var(--vm-radius-s);
  padding: 4px 8px;
  margin-bottom: 14px;
}

.build-card h3 {
  font-family: var(--vm-font-mono);
  font-size: 1rem;
  margin: 0 0 8px;
}

.build-card p {
  color: var(--vm-muted);
  font-size: 0.92rem;
  margin: 0 0 14px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mini-chip {
  font-family: var(--vm-font-mono);
  font-size: 0.7rem;
  color: var(--vm-faint);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-s);
  padding: 2px 7px;
}

/* ---------- cycle ---------- */

.cycle-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.cycle-step {
  display: flex;
  gap: 16px;
  border: 1px solid var(--vm-border);
  border-left: 3px solid var(--vm-accent);
  border-radius: var(--vm-radius-m);
  background: var(--vm-surface);
  padding: 20px;
}

.cycle-step__n {
  font-family: var(--vm-font-mono);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--vm-accent);
  line-height: 1.2;
}

.cycle-step h3 {
  font-family: var(--vm-font-mono);
  font-size: 1rem;
  margin: 0 0 8px;
}

.cycle-step p {
  color: var(--vm-muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- diff ---------- */

.diff-card {
  border: 1px solid var(--vm-border-strong);
  border-radius: var(--vm-radius-m);
  overflow: hidden;
  background: var(--vm-bg-deep);
  max-width: 52rem;
}

.diff-card__bar {
  padding: 9px 14px;
  background: var(--vm-surface-2);
  border-bottom: 1px solid var(--vm-border);
}

.diff-card__body {
  padding: 14px 0;
}

.diff-line {
  font-family: var(--vm-font-mono);
  font-size: 0.86rem;
  line-height: 1.8;
  margin: 0;
  padding: 0 16px;
  white-space: normal;
}

.diff-line--meta {
  color: var(--vm-faint);
  font-weight: 700;
  padding-top: 6px;
}

.diff-line--del {
  color: var(--vm-red);
  background: rgba(248, 81, 73, 0.07);
}

.diff-line--add {
  color: var(--vm-accent);
  background: rgba(63, 185, 80, 0.07);
}

/* ---------- inside ---------- */

.inside-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
}

.inside-card {
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-m);
  background: var(--vm-surface);
  padding: 20px;
}

.inside-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.inside-card h3 {
  font-family: var(--vm-font-mono);
  font-size: 0.98rem;
  margin: 0;
}

.status-pill {
  font-family: var(--vm-font-mono);
  font-size: 0.72rem;
  color: var(--vm-accent-2);
  white-space: nowrap;
}

.status-pill--stable { color: var(--vm-accent); }
.status-pill--beta { color: var(--vm-orange); }
.status-pill--next { color: var(--vm-purple); }

.inside-card p {
  color: var(--vm-muted);
  font-size: 0.92rem;
  margin: 0 0 12px;
}

.inside-card ul,
.roadmap-lane ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.inside-card li,
.roadmap-lane li {
  font-size: 0.88rem;
  color: var(--vm-muted);
  padding: 4px 0 4px 18px;
  position: relative;
}

.inside-card li::before,
.roadmap-lane li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--vm-accent);
  font-family: var(--vm-font-mono);
  font-weight: 700;
}

/* ---------- artifacts ---------- */

.artifact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 52rem;
}

.artifact-row {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 18px;
  align-items: baseline;
  padding: 14px 4px;
  border-top: 1px dashed var(--vm-border);
}

.artifact-row:last-child {
  border-bottom: 1px dashed var(--vm-border);
}

.artifact-row__name {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: 0.9rem;
  color: var(--vm-accent-2);
  font-weight: 700;
}

.artifact-row p {
  color: var(--vm-muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- roadmap ---------- */

.roadmap-lanes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
}

.roadmap-lane {
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-m);
  background: var(--vm-surface);
  padding: 20px;
}

.roadmap-lane__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.roadmap-lane h3 {
  font-family: var(--vm-font-mono);
  font-size: 0.98rem;
  margin: 0;
}

/* ---------- roles ---------- */

.role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.role-card {
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-m);
  background: var(--vm-surface);
  padding: 20px;
}

.role-card h3 {
  font-family: var(--vm-font-mono);
  font-size: 0.98rem;
  margin: 0 0 8px;
}

.role-card p {
  color: var(--vm-muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- ecosystem ---------- */

.ecosystem-band {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.ecosystem-band__copy h2 {
  font-family: var(--vm-font-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  margin: 0 0 12px;
}

.ecosystem-band__copy p:not(.section__eyebrow) {
  color: var(--vm-muted);
  margin: 0;
}

.ecosystem-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: flex-start;
}

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

.footer {
  border-top: 1px solid var(--vm-border);
  padding: 32px 0 8px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.link-chip {
  font-family: var(--vm-font-mono);
  font-size: 0.8rem;
  color: var(--vm-muted);
  border: 1px solid var(--vm-border);
  border-radius: var(--vm-radius-s);
  padding: 6px 11px;
}

.link-chip:hover {
  color: var(--vm-ink);
  border-color: var(--vm-border-strong);
  text-decoration: none;
}

.footer__copy {
  font-family: var(--vm-font-mono);
  font-size: 0.76rem;
  color: var(--vm-faint);
  margin: 0;
}

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

@media (max-width: 1120px) {
  .topnav {
    display: none;
  }

  .topbar__actions .btn {
    display: none;
  }

  .topbar-menu {
    display: block;
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 48px;
  }

  .ecosystem-band {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 0 16px 32px;
  }

  .topbar {
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .section {
    padding: 48px 0;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 8.4vw, 2.4rem);
  }

  .artifact-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .t-line {
    font-size: 0.8rem;
  }
}

/* ---------- reduced motion ---------- */

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

  .t-type {
    animation: none;
    max-width: none;
    border-right: none;
  }

  .t-line--out {
    animation: none;
    opacity: 1;
  }
}