:root {
  --bg: #000000;
  --bg-soft: #080808;
  --bg-elev: #101010;
  --border: #1e1e1e;
  --border-soft: #161616;
  --text: #ffffff;
  --muted: #8f8f8f;
  --muted-2: #5f5f5f;
  --green: #6bd08a;
  --red: #e0726a;
  --radius: 16px;
  --radius-lg: 24px;
  --container: 1120px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 600;
}

p {
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 12px;
  top: 12px;
  background: #fff;
  color: #000;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 100;
}

/* Soft gradient bands, Codex-style */
.band {
  position: relative;
}

.band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 55% at 20% 0%, rgb(120 150 255 / 0.1), transparent 70%),
    radial-gradient(55% 50% at 85% 10%, rgb(190 130 255 / 0.08), transparent 70%),
    radial-gradient(50% 45% at 50% 100%, rgb(120 210 180 / 0.06), transparent 70%);
}

.band > * {
  position: relative;
}

.band-soft {
  background: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

/* Nav */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, #000 65%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.nav.scrolled {
  border-bottom-color: var(--border-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.brand {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  color: var(--muted);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: opacity 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn-light {
  background: #fff;
  color: #000;
}

.btn-light:hover {
  opacity: 0.86;
}

.btn-outline {
  border-color: var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: #3a3a3a;
}

.btn-quiet {
  color: var(--muted);
}

.btn-quiet:hover {
  color: var(--text);
}

.btn-lg {
  padding: 13px 26px;
  font-size: 15px;
}

/* Hero */
.hero {
  padding: 160px 0 80px;
  text-align: center;
}

.hero-inner {
  max-width: 820px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(44px, 7vw, 78px);
  font-weight: 600;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.lead {
  color: var(--muted);
  font-size: clamp(16px, 1.9vw, 19px);
  max-width: 640px;
  margin: 0 auto;
}

.lead strong {
  color: var(--text);
}

.cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 32px 0 20px;
}

.install {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 8px 8px 18px;
  max-width: 100%;
}

.install code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy {
  border: 1px solid var(--border);
  background: #000;
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font);
}

.copy:hover {
  color: var(--text);
  border-color: #3a3a3a;
}

.hero-note {
  margin-top: 16px;
  color: var(--muted-2);
  font-size: 13px;
}

/* Product shot */
.shot {
  margin-top: 64px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #0d0d0d, #070707);
  overflow: hidden;
  box-shadow: 0 60px 120px -60px rgb(0 0 0 / 0.9);
  text-align: left;
}

.shot.small {
  margin-top: 0;
}

.shot-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  background: rgb(255 255 255 / 0.02);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.r { background: #3a3a3a; }
.dot.y { background: #2e2e2e; }
.dot.g { background: #242424; }

.shot-title {
  margin-left: 10px;
  font-size: 12px;
  color: var(--muted-2);
  font-family: var(--mono);
}

.shot-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 13px;
}

.msg.user {
  align-self: flex-end;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 2px solid #fff;
  border-radius: 12px;
  padding: 10px 14px;
  max-width: 80%;
}

.tool {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.tool-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: rgb(255 255 255 / 0.02);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.tool-badge {
  color: #fff;
}

.tool-status {
  margin-left: auto;
  color: var(--green);
}

.tool-pre {
  margin: 0;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.diff {
  font-family: var(--mono);
  font-size: 11.5px;
  background: #050505;
}

.d2 {
  display: grid;
  grid-template-columns: 34px 1fr 34px 1fr;
  gap: 8px;
  padding: 1px 12px;
  white-space: pre;
  overflow: hidden;
}

.ln {
  color: var(--muted-2);
  text-align: right;
  user-select: none;
}

.del { color: #e8a49c; background: rgb(224 114 106 / 0.13); }
.add { color: #a4e3b6; background: rgb(107 208 138 / 0.13); }
.same { color: #b3b3b3; }

.shot-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted-2);
  font-size: 12px;
}

.glyph {
  color: var(--muted);
}

/* Dashboard mock */
.dash {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 24px;
}

.dash-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dash-stat span {
  color: var(--muted-2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dash-stat strong {
  font-size: 20px;
  font-weight: 600;
}

.dash-heat {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 4px;
}

.dash-heat i {
  aspect-ratio: 1;
  border-radius: 3px;
  background: #141414;
}

.dash-heat i.l1 { background: #1f3a26; }
.dash-heat i.l2 { background: #2f6b3f; }
.dash-heat i.l3 { background: #4eae63; }

/* Modes mock */
.modes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mode {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: rgb(255 255 255 / 0.01);
}

.mode.active {
  border-color: #3a3a3a;
  background: rgb(255 255 255 / 0.03);
}

.mode span {
  font-size: 13px;
  font-weight: 500;
}

.mode em {
  font-style: normal;
  color: var(--muted-2);
  font-size: 12px;
}

/* Strip */
.strip {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 24px;
  color: var(--muted-2);
  font-size: 14px;
}

.strip-inner strong {
  color: var(--text);
}

.strip-inner .sep {
  color: #2a2a2a;
}

/* Sections */
.section {
  padding: 128px 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 64px;
}

.section-head h2,
.honest h2 {
  font-size: clamp(32px, 4.4vw, 52px);
  margin-bottom: 18px;
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
}

/* Feature list */
.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 72px;
}

.feature {
  padding: 26px 0;
  border-top: 1px solid var(--border-soft);
}

.feature h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.feature p {
  color: var(--muted);
  font-size: 15px;
}

/* Splits */
.splits {
  display: flex;
  flex-direction: column;
  gap: 128px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.split.reverse .split-copy {
  order: 2;
}

.split.reverse .split-visual {
  order: 1;
}

.split-copy h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  margin-bottom: 16px;
}

.split-copy p {
  color: var(--muted);
  font-size: 16px;
}

.split-visual {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  overflow: hidden;
}

.split-visual .shot {
  margin: 0;
  box-shadow: 0 30px 60px -40px rgb(0 0 0 / 0.9);
}

/* Surfaces */
.surfaces {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.surface h3 {
  font-size: 18px;
  margin: 20px 0 8px;
}

.surface p {
  color: var(--muted);
  font-size: 14.5px;
}

.surface p a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Downloads */
.downloads {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.download {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  background: rgb(255 255 255 / 0.01);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.download:hover {
  border-color: #3a3a3a;
  background: rgb(255 255 255 / 0.03);
}

.download strong {
  font-weight: 600;
}

.download span {
  color: var(--muted);
  font-size: 13px;
}

.download-note {
  margin-top: 24px;
  color: var(--muted-2);
  font-size: 13.5px;
  max-width: 780px;
}

.download-note a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.download-note strong {
  color: var(--muted);
}

.surface-visual {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mini {
  width: 100%;
}

.mini.window {
  height: 96px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0a0a0a;
  position: relative;
}

.mini.window::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 18px;
  border-bottom: 1px solid var(--border-soft);
}

.mini.desktop {
  height: 96px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0a0a0a;
  position: relative;
}

.mini.desktop::after {
  content: "";
  position: absolute;
  inset: 26px 20px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.mini.terminal {
  height: 96px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #050505;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
}

.mini.terminal span {
  color: var(--green);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-no {
  display: block;
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 13px;
  margin-bottom: 18px;
}

.step h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.step p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 16px;
}

.codeblock {
  position: relative;
  margin: 0;
  background: #050505;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text);
  overflow: auto;
}

.codeblock .copy {
  position: absolute;
  top: 10px;
  right: 10px;
}

/* Honest */
.honest {
  max-width: 900px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 32px;
}

.two-col ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.two-col li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 15px;
}

.two-col li::before {
  position: absolute;
  left: 0;
}

.ok li::before { content: "✓"; color: var(--green); }
.no li::before { content: "×"; color: var(--red); }

h4.ok,
h4.no {
  font-size: 14px;
  font-weight: 500;
}

h4.ok { color: var(--green); }
h4.no { color: var(--red); }

/* Docs */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.doc {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  transition: border-color 0.2s ease;
}

.doc:hover {
  border-color: #3a3a3a;
}

.doc strong {
  font-weight: 500;
}

.doc span {
  color: var(--muted);
  font-size: 13px;
}

/* Final CTA */
.cta-final {
  padding: 160px 0;
  text-align: center;
}

.cta-final-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.cta-final h2 {
  font-size: clamp(32px, 5vw, 56px);
}

.cta-final p {
  color: var(--muted);
  font-size: 17px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-soft);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  flex-wrap: wrap;
}

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

.footer-note {
  color: var(--muted-2);
  font-size: 12.5px;
  max-width: 820px;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 900px) {
  .feature-list,
  .splits,
  .surfaces,
  .steps,
  .docs-grid,
  .two-col,
  .split {
    grid-template-columns: 1fr;
  }
  .split.reverse .split-copy,
  .split.reverse .split-visual {
    order: initial;
  }
  .splits {
    gap: 88px;
  }
  .section {
    padding: 88px 0;
  }
  .nav-links {
    display: none;
  }
  .nav-actions .btn-quiet {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    gap: 14px;
    padding: 20px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 16px;
  }
  .dash {
    grid-template-columns: 1fr 1fr;
  }
  .dash-heat {
    grid-column: 1 / -1;
  }
  .downloads {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .downloads {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 128px;
  }
  .d2 {
    grid-template-columns: 24px 1fr 24px 1fr;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}