:root {
  --bg: #0f0f10;
  --bg-elev: #161618;
  --bg-elev-2: #1c1c1f;
  --bg-elev-3: #232327;
  --border: #26262a;
  --border-strong: #303035;
  --text: #e6e6e6;
  --text-dim: #9a9aa2;
  --text-faint: #6b6b73;
  --accent: #7c8cff;
  --accent-2: #47bfff;
  --accent-soft: rgba(124, 140, 255, 0.12);
  --accent-strong: rgba(124, 140, 255, 0.28);
  --ok: #4ade80;
  --err: #f87171;
  --mono: ui-monospace, "Cascadia Code", "Cascadia Mono", Consolas, "JetBrains Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(circle at 20% -10%, rgba(124, 140, 255, 0.18), transparent 32rem),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 22px;
  width: 100%;
  margin: 0;
  padding: 10px max(16px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(38, 38, 42, 0.7);
  background: rgba(15, 15, 16, 0.82);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.02em;
}

.brand img {
  display: block;
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  border-radius: 0;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
  color: var(--text-dim);
  font-size: 13px;
}

.nav-links a:hover {
  color: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: white;
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent), #6c7df5);
  box-shadow: 0 14px 40px rgba(124, 140, 255, 0.24);
}

.button.secondary,
.button.ghost {
  color: var(--text);
  background: rgba(28, 28, 31, 0.72);
}

.button.secondary:hover,
.button.ghost:hover {
  border-color: var(--border-strong);
  background: var(--bg-elev-2);
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 88px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 68px);
  padding-top: 54px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(46px, 7.2vw, 82px);
  line-height: 0.94;
  letter-spacing: -0.07em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.hero-subtitle,
.section-heading p,
.canon-copy p {
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 18px;
}

.trust-line {
  max-width: 600px;
  color: var(--text-faint);
  font-size: 13px;
}

.hero-visual {
  position: relative;
}

.glow {
  position: absolute;
  inset: 8% 2%;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(124, 140, 255, 0.12), transparent 58%);
  filter: blur(18px);
}

.app-window {
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  border-radius: 18px;
  background: rgba(22, 22, 24, 0.92);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.52), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.app-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 15, 16, 0.82);
}

.window-dots {
  display: flex;
  gap: 6px;
  padding: 0 6px;
}

.window-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-elev-3);
  border: 1px solid var(--border-strong);
}

.project-pill,
.seg,
.mock-file,
.composer-preview {
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg-elev-2);
}

.project-pill {
  padding: 6px 10px;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
}

.seg {
  display: inline-flex;
  gap: 2px;
  margin-left: auto;
  padding: 3px;
}

.seg + .seg {
  margin-left: 0;
}

.seg span {
  padding: 4px 8px;
  border-radius: 5px;
  color: var(--text-faint);
  font-size: 11px;
}

.seg .active {
  color: var(--text);
  background: var(--bg-elev-3);
}

.app-grid {
  display: grid;
  grid-template-columns: 150px minmax(220px, 1fr) 190px;
  min-height: 410px;
}

.mock-sidebar,
.mock-reader,
.mock-diff {
  padding: 16px;
}

.mock-sidebar,
.mock-diff {
  background: rgba(15, 15, 16, 0.52);
}

.mock-sidebar {
  border-right: 1px solid var(--border);
}

.mock-diff {
  border-left: 1px solid var(--border);
}

.mock-label {
  margin: 0 0 10px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mock-file {
  margin-bottom: 8px;
  padding: 7px 8px;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 10px;
}

.mock-file.active {
  color: var(--text);
  border-color: rgba(124, 140, 255, 0.45);
  background: var(--accent-soft);
}

.mock-reader {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mock-reader h2 {
  font-size: 30px;
}

.mock-reader p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.72;
}

.composer-preview {
  margin-top: 18px;
  padding: 12px;
}

.composer-preview span {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
}

.composer-preview p {
  margin: 0;
  color: var(--text);
  font-size: 13px;
}

.diff-card,
.canon-card,
.pricing-card,
.mode-card,
.feature-card,
.card,
details {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(28, 28, 31, 0.92), rgba(22, 22, 24, 0.9));
}

.diff-card {
  padding: 12px;
}

.diff-title {
  margin-bottom: 10px;
  font-weight: 700;
}

.diff-add,
.diff-del {
  margin: 0 0 8px;
  padding: 8px;
  border-radius: 7px;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.45;
}

.diff-add {
  color: #bdf8d0;
  background: rgba(74, 222, 128, 0.12);
}

.diff-del {
  color: #ffc4c4;
  background: rgba(248, 113, 113, 0.12);
}

.diff-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.diff-actions span {
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-dim);
  font-size: 10px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

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

.card-grid {
  display: grid;
  gap: 14px;
  align-items: stretch;
}

.card-grid > .card,
.card-grid > .feature-card {
  height: 100%;
  min-height: 6.25rem;
  display: flex;
  align-items: flex-start;
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid.five,
.card-grid.six {
  grid-template-columns: repeat(3, 1fr);
}

.card,
.feature-card {
  padding: 20px;
}

.card {
  color: var(--text-dim);
  line-height: 1.55;
}

.feature-card span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}

.feature-card p,
.mode-card li,
.pricing-card li,
details p {
  color: var(--text-dim);
  line-height: 1.65;
}

.feature-card:hover,
.card:hover,
.mode-card:hover,
details:hover {
  border-color: color-mix(in srgb, var(--accent) 26%, var(--border));
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.mode-card {
  padding: 26px;
}

.mode-card.accent {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  box-shadow: inset 0 1px 0 rgba(124, 140, 255, 0.08);
}

ul {
  margin: 0;
  padding-left: 18px;
}

.canon {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1fr);
  gap: 44px;
  align-items: center;
}

.canon-card {
  padding: 18px;
}

.canon-card-top,
.canon-buttons {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.canon-card-top span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.canon-card button,
.canon-buttons button {
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg-elev-2);
  padding: 6px 9px;
}

pre {
  overflow: auto;
  margin: 18px 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}

code {
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
}

.tool-grid,
.user-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-grid span,
.user-list span {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
  background: rgba(28, 28, 31, 0.76);
  font-size: 13px;
}

.pricing {
  display: grid;
  justify-items: center;
}

.pricing .section-heading {
  text-align: center;
}

.pricing-card {
  width: min(520px, 100%);
  padding: 28px;
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
}

.plan-name {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 2px;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.price-amount {
  font-size: clamp(54px, 8vw, 76px);
}

.price-period {
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.yearly,
.pricing-note {
  color: var(--text-dim);
  font-size: 14px;
}

.pricing-card ul {
  margin: 22px 0;
}

.pricing-card .button {
  width: 100%;
}

.pricing-note {
  margin: 16px 0 0;
  line-height: 1.6;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

details p {
  margin: 12px 0 0;
}

.final-cta {
  display: grid;
  justify-items: center;
  padding-bottom: 72px;
  text-align: center;
}

.final-cta h2 {
  max-width: 820px;
}

.waitlist-form {
  display: flex;
  width: min(560px, 100%);
  gap: 10px;
  margin: 24px 0 12px;
}

.waitlist-form input {
  min-width: 0;
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 13px;
  color: var(--text);
  background: var(--bg-elev-2);
  outline: none;
}

.waitlist-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.waitlist-status {
  width: min(560px, 100%);
  margin: 0 0 12px;
  font-size: 0.95rem;
  color: var(--text-dim);
}

.waitlist-status.success {
  color: var(--ok);
}

.waitlist-status.error {
  color: var(--err);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 36px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 12px;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .canon {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .card-grid.three,
  .card-grid.five,
  .card-grid.six {
    grid-template-columns: repeat(2, 1fr);
  }

  .app-grid {
    grid-template-columns: 120px minmax(220px, 1fr);
  }

  .mock-diff {
    grid-column: 1 / -1;
    border-top: 1px solid var(--border);
    border-left: 0;
  }
}

@media (max-width: 720px) {
  .site-header {
    flex-wrap: wrap;
  }

  .brand {
    font-size: 24px;
  }

  .brand img {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }

  .site-header > .button {
    margin-left: auto;
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    gap: 34px;
    padding-top: 42px;
  }

  .hero-actions,
  .waitlist-form,
  .mode-grid {
    flex-direction: column;
    display: flex;
  }

  .button,
  .waitlist-form .button {
    width: 100%;
  }

  .card-grid.three,
  .card-grid.five,
  .card-grid.six {
    grid-template-columns: 1fr;
  }

  .app-topbar {
    flex-wrap: wrap;
  }

  .seg {
    margin-left: 0;
  }

  .app-grid {
    grid-template-columns: 1fr;
  }

  .mock-sidebar,
  .mock-diff {
    border: 0;
    border-top: 1px solid var(--border);
  }

  .mock-sidebar {
    order: 2;
  }

  .mock-reader {
    order: 1;
  }

  .mock-diff {
    order: 3;
  }
}