:root {
  color-scheme: dark;
  --primary: #00d992;
  --primary-soft: #2fd6a1;
  --primary-deep: #10b981;
  --canvas: #101010;
  --canvas-soft: #1a1a1a;
  --hairline: #3d3a39;
  --ink: #f2f2f2;
  --ink-strong: #ffffff;
  --body: #bdbdbd;
  --mute: #8b949e;
  --code-soft: #f5f6f7;
  --danger: #fca5a5;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-feature-settings: "calt", "rlig";
  background: var(--canvas);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
}

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

code,
pre,
.footer-code,
.code-inline,
.feature-card code {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.nav-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 32px;
  border-bottom: 1px solid var(--hairline);
  background: rgba(16, 16, 16, 0.92);
  backdrop-filter: blur(12px);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
}

.brand-mark {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  color: var(--primary);
  font-size: 14px;
}

.nav-links {
  gap: 18px;
  color: var(--body);
  font-size: 14px;
  line-height: 20px;
}

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

.nav-pill,
.status {
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  background: var(--canvas);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
}

.nav-pill {
  padding: 4px 12px;
  color: var(--primary);
}

.page-shell {
  width: min(1320px, 100%);
  margin: 0 auto;
}

.hero-band,
.console-grid {
  padding: 48px 32px;
}

.hero-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  gap: 48px;
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2.52px;
  line-height: 20px;
  text-transform: uppercase;
}

.eyebrow.small {
  margin-bottom: 8px;
  color: var(--mute);
  font-size: 12px;
  letter-spacing: 2.1px;
  line-height: 16px;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 20px;
  color: var(--ink-strong);
  font-size: clamp(32px, 6vw, 60px);
  font-weight: 400;
  letter-spacing: -0.65px;
  line-height: 1;
}

.lead {
  max-width: 700px;
  margin-bottom: 24px;
  color: var(--body);
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button-primary,
.button-outline,
button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 12px 16px;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
  cursor: pointer;
}

.button-primary,
button {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: var(--canvas);
}

.button-primary:hover,
button:hover:not(:disabled) {
  background: var(--primary-soft);
  border-color: var(--primary-soft);
}

.button-outline {
  border: 1px solid var(--hairline);
  background: var(--canvas);
  color: var(--ink);
}

.button-outline:hover {
  border-color: var(--primary-soft);
  color: var(--primary-soft);
}

.code-mockup,
.card {
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--canvas);
}

.code-mockup {
  overflow: hidden;
  color: var(--code-soft);
  font-size: 13px;
  line-height: 18px;
}

.mockup-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline);
  background: var(--canvas-soft);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: var(--hairline);
}

.dot:first-child {
  background: var(--primary);
}

.mockup-title {
  margin-left: 6px;
  color: var(--mute);
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 20px;
  white-space: pre;
}

.code-muted {
  color: var(--primary);
}

.section-divider {
  margin: 0 32px;
  border-top: 1px dashed rgba(79, 93, 117, 0.4);
}

.console-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: stretch;
}

.console-grid-single {
  grid-template-columns: 1fr;
}

.card {
  padding: 24px;
}

.console-card {
  display: flex;
  width: 100%;
  height: 680px;
  min-height: 680px;
  flex-direction: column;
  gap: 18px;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}

h2 {
  margin-bottom: 0;
  color: var(--ink-strong);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.9px;
  line-height: 40px;
}

.status {
  padding: 4px 12px;
  color: var(--primary);
  white-space: nowrap;
}

.status.streaming {
  border-color: var(--primary);
  color: var(--primary);
}

.status.error {
  border-color: rgba(252, 165, 165, 0.55);
  color: var(--danger);
}

.token-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--body);
  font-size: 14px;
  font-weight: 600;
  line-height: 23px;
}

.token-label span {
  color: var(--mute);
  font-weight: 400;
}

.token-input,
textarea {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  background: var(--canvas-soft);
  color: var(--ink);
  outline: none;
}

.token-input {
  padding: 12px 16px;
  font-size: 14px;
  line-height: 20px;
}

.token-input:focus,
textarea:focus {
  border-color: var(--primary-soft);
  box-shadow: 0 0 0 1px rgba(47, 214, 161, 0.18);
}

.messages {
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
  padding: 4px 0;
}

.message {
  max-width: min(78%, 720px);
  padding: 12px 14px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  font-size: 16px;
  line-height: 26px;
  white-space: pre-wrap;
}

.message code {
  border-radius: 6px;
  background: var(--canvas-soft);
  color: var(--code-soft);
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  padding: 2px 8px;
}

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

.message.assistant {
  align-self: flex-start;
  background: var(--canvas);
  color: var(--ink);
}

.message.assistant.pending {
  display: inline-flex;
  min-width: 76px;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
}

.typing-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 22px;
}

.typing-indicator span {
  width: 9px;
  height: 9px;
  border-radius: 9999px;
  background: var(--primary);
  opacity: 0.45;
  animation: typing-bounce 1.15s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.16s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.32s;
}

@keyframes typing-bounce {
  0%, 80%, 100% {
    opacity: 0.38;
    transform: translateY(0) scale(0.86);
  }
  40% {
    opacity: 1;
    transform: translateY(-4px) scale(1.08);
  }
}

.message.error {
  align-self: flex-start;
  border-color: rgba(252, 165, 165, 0.45);
  background: var(--canvas);
  color: var(--danger);
}

.intro-message {
  color: var(--body);
}

.composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
}

textarea {
  min-height: 46px;
  max-height: 226px;
  resize: none;
  overflow-y: hidden;
  padding: 12px 16px;
  font: inherit;
  font-size: 14px;
  line-height: 20px;
}

button {
  align-self: stretch;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.side-stack {
  display: grid;
  gap: 16px;
}

.feature-card {
  min-height: 190px;
}

.feature-card.active {
  border-top: 2px solid var(--primary);
  box-shadow: inset 0 0 15px rgba(92, 88, 85, 0.2);
}

.feature-kicker {
  display: inline-flex;
  margin-bottom: 18px;
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  padding: 4px 12px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink-strong);
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--body);
  font-size: 14px;
  line-height: 20px;
}

.feature-card code {
  border-radius: 6px;
  background: var(--canvas-soft);
  color: var(--code-soft);
  font-size: 13px;
  line-height: 18px;
  padding: 2px 6px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 40px 32px;
  border-top: 1px solid var(--hairline);
  color: var(--body);
  font-size: 14px;
  line-height: 20px;
}

.footer-code {
  color: var(--mute);
  font-size: 13px;
}

@media (max-width: 1023px) {
  .hero-band,
  .console-grid {
    grid-template-columns: 1fr;
  }

  .code-mockup {
    max-width: 100%;
  }

  .side-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .nav-bar,
  .footer {
    padding-right: 20px;
    padding-left: 20px;
  }

  .nav-bar,
  .footer,
  .card-header,
  .token-label {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .hero-band,
  .console-grid {
    padding: 40px 20px;
  }

  .section-divider {
    margin: 0 20px;
  }

  h1 {
    font-size: 32px;
    line-height: 36px;
  }

  h2 {
    font-size: 28px;
    line-height: 34px;
  }

  .lead {
    font-size: 16px;
    line-height: 26px;
  }

  .side-stack {
    grid-template-columns: 1fr;
  }

  .console-card {
    height: 620px;
    min-height: 620px;
  }

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

  button {
    min-height: 48px;
  }

  .message {
    max-width: 92%;
  }
}