:root {
  color-scheme: light;
  --primary: #171717;
  --secondary: #4d4d4d;
  --tertiary: #006bff;
  --background-100: #ffffff;
  --background-200: #fafafa;
  --gray-100: #f2f2f2;
  --gray-200: #ebebeb;
  --gray-300: #e6e6e6;
  --gray-400: #eaeaea;
  --gray-500: #c9c9c9;
  --gray-700: #8f8f8f;
  --gray-900: #4d4d4d;
  --gray-1000: #171717;
  --gray-alpha-100: #0000000d;
  --gray-alpha-200: #00000015;
  --gray-alpha-400: #00000014;
  --gray-alpha-500: #00000036;
  --blue-100: #f0f7ff;
  --blue-200: #e9f4ff;
  --blue-700: #006bff;
  --blue-800: #0059ec;
  --green-100: #ecfdec;
  --green-700: #28a948;
  --amber-100: #fff6de;
  --amber-800: #ff9300;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 2px rgba(0, 0, 0, 0.04);
  --shadow-popover:
    0 1px 1px rgba(0, 0, 0, 0.02),
    0 4px 8px -4px rgba(0, 0, 0, 0.04),
    0 16px 24px -8px rgba(0, 0, 0, 0.06);
  --font-sans:
    "Geist Sans", Geist, Avenir, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:
    "Geist Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --container: 1200px;
  --measure: 760px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(var(--gray-alpha-100) 1px, transparent 1px),
    linear-gradient(90deg, var(--gray-alpha-100) 1px, transparent 1px),
    var(--background-100);
  background-size: 48px 48px;
  color: var(--primary);
  font-family: var(--font-sans);
  text-rendering: geometricPrecision;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 107, 255, 0.08), transparent 34rem),
    linear-gradient(180deg, rgba(250, 250, 250, 0.92), rgba(255, 255, 255, 0.98) 36rem);
  pointer-events: none;
}

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

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--background-100), 0 0 0 4px var(--blue-700);
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid var(--gray-alpha-400);
  border-radius: var(--radius-sm);
  background: var(--background-100);
  color: var(--primary);
  padding: 0 10px;
  font: 500 14px / 20px var(--font-sans);
  cursor: pointer;
}

button:hover,
.button:hover {
  border-color: var(--gray-alpha-500);
  background: var(--background-200);
}

button:active,
.button:active {
  background: var(--gray-100);
}

.button.primary {
  border-color: var(--gray-1000);
  background: var(--gray-1000);
  color: var(--background-100);
}

.button.primary:hover {
  background: #000000;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 64px;
  padding: 12px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--gray-alpha-200);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 600 14px / 20px var(--font-sans);
}

.brand-mark {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
}

.brand-mark::before {
  content: "";
  width: 0;
  height: 0;
  border-right: 10px solid transparent;
  border-bottom: 18px solid var(--primary);
  border-left: 10px solid transparent;
}

.topbar nav {
  display: flex;
  justify-content: center;
  gap: 4px;
}

.topbar nav a {
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--gray-900);
  font: 500 14px / 20px var(--font-sans);
}

.topbar nav a:hover {
  background: var(--gray-alpha-100);
  color: var(--primary);
}

.ghost {
  background: var(--background-100);
}

main {
  padding: 0 clamp(16px, 4vw, 40px) 64px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
  max-width: var(--container);
  min-height: calc(100vh - 64px);
  margin: 0 auto;
  padding: 64px 0;
}

.hero-copy {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gray-900);
  font: 500 12px / 16px var(--font-mono);
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 680px;
  margin-bottom: 24px;
  font: 600 clamp(48px, 7vw, 72px) / 1 var(--font-sans);
  letter-spacing: 0;
}

.dek {
  max-width: 650px;
  color: var(--gray-900);
  font: 400 clamp(20px, 2vw, 24px) / 36px var(--font-sans);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-panel {
  margin: 0;
}

.panel-window {
  overflow: hidden;
  border: 1px solid var(--gray-alpha-200);
  border-radius: var(--radius-md);
  background: var(--background-100);
  box-shadow: var(--shadow-popover);
}

.panel-bar {
  display: grid;
  grid-template-columns: 8px 8px 8px 1fr;
  gap: 8px;
  align-items: center;
  min-height: 40px;
  border-bottom: 1px solid var(--gray-alpha-200);
  padding: 0 16px;
  color: var(--gray-900);
  font: 400 13px / 18px var(--font-mono);
}

.panel-bar .dot {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: var(--gray-300);
}

.panel-bar .dot:first-child {
  background: var(--green-700);
}

.panel-bar .dot:nth-child(2) {
  background: var(--amber-800);
}

.panel-bar strong {
  justify-self: end;
  font-weight: 400;
}

.workflow-preview {
  display: grid;
  gap: 1px;
  background: var(--gray-alpha-200);
}

.workflow-preview div {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 8px 16px;
  align-items: start;
  min-height: 132px;
  padding: 24px;
  background: linear-gradient(180deg, var(--background-100), var(--background-200));
}

.step-index {
  grid-row: span 2;
  color: var(--gray-700);
  font: 400 13px / 18px var(--font-mono);
}

.workflow-preview strong {
  font: 600 20px / 26px var(--font-sans);
}

.workflow-preview p {
  margin: 0;
  color: var(--gray-900);
  font: 400 14px / 20px var(--font-sans);
}

.panel-window code {
  display: block;
  padding: 16px 24px;
  border-top: 1px solid var(--gray-alpha-200);
  background: var(--gray-1000);
  color: var(--background-100);
  font: 400 13px / 20px var(--font-mono);
  white-space: normal;
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: var(--container);
  margin: 0 auto 40px;
  overflow: hidden;
  border: 1px solid var(--gray-alpha-200);
  border-radius: var(--radius-sm);
  background: var(--gray-alpha-200);
  box-shadow: var(--shadow-card);
}

.summary-band div {
  display: grid;
  gap: 8px;
  min-height: 120px;
  padding: 24px;
  background: var(--background-100);
}

.summary-band strong {
  font: 600 16px / 24px var(--font-sans);
}

.summary-band span {
  color: var(--gray-900);
  font: 400 14px / 20px var(--font-sans);
}

.layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  max-width: var(--container);
  margin: 0 auto;
}

.sidebar {
  position: sticky;
  top: 88px;
  display: grid;
  gap: 16px;
}

.sidebar-card,
.script-section {
  border: 1px solid var(--gray-alpha-200);
  border-radius: var(--radius-sm);
  background: var(--background-100);
  box-shadow: var(--shadow-card);
}

.sidebar-card {
  padding: 16px;
}

.sidebar-card ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

.sidebar-card a {
  color: var(--primary);
  font: 500 14px / 20px var(--font-sans);
}

.sidebar-card a:hover {
  color: var(--blue-700);
}

.sidebar-card.compact p:last-child {
  margin-bottom: 0;
  color: var(--gray-900);
  font: 400 14px / 20px var(--font-sans);
}

.script-body {
  display: grid;
  gap: 16px;
}

.script-section {
  overflow: hidden;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 24px;
  border-bottom: 1px solid var(--gray-alpha-200);
  background: var(--background-200);
}

.section-head .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -4px;
}

.section-head h2 {
  margin: 0;
  font: 600 clamp(24px, 3vw, 32px) / 40px var(--font-sans);
  letter-spacing: 0;
}

.copy-section {
  min-height: 32px;
  padding: 0 8px;
  font: 500 14px / 20px var(--font-sans);
}

.speaker-text {
  max-width: var(--measure);
  padding: 24px;
}

.speaker-text p,
.speaker-text li {
  color: var(--primary);
  font: 400 18px / 28px var(--font-sans);
}

.speaker-text p {
  margin-bottom: 16px;
}

.speaker-text ul {
  display: grid;
  gap: 8px;
  margin: 0 0 24px;
  padding-left: 24px;
}

.speaker-text strong {
  font-weight: 600;
}

blockquote {
  margin: 24px 0;
  border: 1px solid var(--blue-200);
  border-left: 3px solid var(--blue-700);
  border-radius: var(--radius-sm);
  background: var(--blue-100);
  padding: 16px;
  color: var(--primary);
  font: 500 18px / 28px var(--font-sans);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--gray-alpha-200);
  padding: 24px clamp(16px, 4vw, 40px);
  color: var(--gray-900);
  font: 400 13px / 18px var(--font-sans);
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 40;
  transform: translateY(8px);
  opacity: 0;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--background-100);
  padding: 10px 12px;
  font: 500 14px / 20px var(--font-sans);
  box-shadow: var(--shadow-popover);
  transition:
    opacity 150ms cubic-bezier(0.175, 0.885, 0.32, 1.1),
    transform 150ms cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

body.speaker .topbar nav,
body.speaker .hero,
body.speaker .summary-band,
body.speaker .sidebar,
body.speaker .footer,
body.speaker .copy-section {
  display: none;
}

body.speaker main {
  padding-top: 24px;
}

body.speaker .topbar {
  grid-template-columns: 1fr auto;
}

body.speaker .layout {
  display: block;
  max-width: 960px;
}

body.speaker .script-section {
  margin-bottom: 16px;
  box-shadow: none;
}

body.speaker .speaker-text p,
body.speaker .speaker-text li {
  font-size: 28px;
  line-height: 40px;
}

body.speaker blockquote {
  font-size: 28px;
  line-height: 40px;
}

@media (max-width: 960px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .topbar nav {
    display: none;
  }

  .hero,
  .layout,
  .summary-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 600px) {
  body {
    background-size: 32px 32px;
  }

  main {
    padding-inline: 12px;
  }

  .topbar {
    padding-inline: 12px;
  }

  .brand span:last-child {
    display: none;
  }

  .hero {
    gap: 32px;
    padding: 40px 0;
  }

  .hero-actions {
    display: grid;
  }

  .workflow-preview div {
    min-height: auto;
    padding: 20px 16px;
  }

  .panel-window code {
    padding-inline: 16px;
  }

  .section-head {
    grid-template-columns: 1fr;
    padding: 20px 16px;
  }

  .copy-section {
    justify-self: start;
  }

  .speaker-text {
    padding: 20px 16px;
  }

  .speaker-text p,
  .speaker-text li {
    font-size: 16px;
    line-height: 24px;
  }

  blockquote {
    font-size: 16px;
    line-height: 24px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .topbar,
  .hero,
  .summary-band,
  .sidebar,
  .copy-section,
  .footer {
    display: none !important;
  }

  body {
    background: #fff;
  }

  main,
  .layout,
  .script-body {
    display: block;
    padding: 0;
    margin: 0;
  }

  .script-section {
    break-inside: avoid;
    border: 0;
    box-shadow: none;
  }

  .section-head {
    border-bottom: 1px solid #999;
    padding: 18px 0 8px;
  }

  .speaker-text {
    max-width: none;
    padding: 16px 0 22px;
  }
}