:root {
  --ink: #202124;
  --muted: #5a5f63;
  --paper: #fbfbf8;
  --line: #d9ded8;
  --green: #1e8f5f;
  --green-dark: #0e6f49;
  --coral: #ee6b4d;
  --yellow: #f3c84b;
  --blue: #3b73d9;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(32, 33, 36, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px 32px;
  border-bottom: 1px solid rgba(32, 33, 36, 0.09);
  background: rgba(251, 251, 248, 0.92);
  backdrop-filter: blur(16px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 160px;
  font-weight: 800;
}

.brand-symbol {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
  font-size: 17px;
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.header-nav a,
.header-action {
  min-height: 38px;
  padding: 9px 13px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.header-nav a:hover,
.header-nav a:focus-visible {
  background: rgba(30, 143, 95, 0.1);
  color: var(--ink);
}

.header-action {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 8px 18px rgba(32, 33, 36, 0.07);
}

.hero {
  position: relative;
  min-height: 82svh;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #f4f6f1;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(244, 246, 241, 0.94) 0%, rgba(244, 246, 241, 0.8) 42%, rgba(244, 246, 241, 0.4) 100%),
    linear-gradient(0deg, rgba(244, 246, 241, 0.86), rgba(244, 246, 241, 0.2) 48%, rgba(244, 246, 241, 0.8));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(720px, calc(100% - 48px));
  min-height: 82svh;
  margin: 0 auto 0 0;
  padding: 80px 32px 88px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 16px;
  font-size: 72px;
  line-height: 0.95;
  font-weight: 900;
}

h2 {
  margin-bottom: 0;
  font-size: 40px;
  line-height: 1.08;
  font-weight: 880;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.18;
}

.hero-line {
  margin-bottom: 18px;
  font-size: 30px;
  line-height: 1.18;
  font-weight: 760;
}

.hero-copy {
  max-width: 610px;
  margin-bottom: 30px;
  color: #35383b;
  font-size: 19px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.1;
}

.button.primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 14px 26px rgba(30, 143, 95, 0.2);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--green-dark);
}

.button.secondary {
  border-color: rgba(32, 33, 36, 0.18);
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
}

.section-shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.intro-band {
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 42px;
  align-items: end;
}

.intro-copy p,
.closing-copy p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.intro-copy {
  display: grid;
  gap: 18px;
}

.starter-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.starter-stats span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid rgba(30, 143, 95, 0.18);
  border-radius: 8px;
  background: #eef6f0;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 850;
}

.workflow-section,
.prompt-band,
.closing-band {
  padding: 82px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.workflow-card,
.prompt-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.workflow-card {
  min-height: 238px;
  padding: 24px;
}

.workflow-card p,
.prompt-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.card-index {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 900;
}

.prompt-band {
  background: #eef6f0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.prompt-heading {
  margin-bottom: 24px;
}

.prompt-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.prompt-card {
  min-height: 194px;
  padding: 20px;
}

.prompt-card:last-child {
  grid-column: 1 / -1;
}

.prompt-topline {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: start;
  margin-bottom: 12px;
}

.copy-button {
  min-width: 72px;
  min-height: 38px;
  border: 1px solid rgba(32, 33, 36, 0.18);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
}

.copy-button:hover,
.copy-button:focus-visible {
  border-color: var(--green);
  color: var(--green-dark);
}

.closing-band {
  background: var(--white);
}

.closing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
}

.closing-copy {
  flex-direction: column;
  align-items: flex-start;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 32px;
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: var(--white);
}

.site-footer a {
  color: #d9f0e5;
}

.kit-page {
  background: var(--paper);
}

.kit-hero {
  padding: 88px 0 70px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(238, 246, 240, 0.92), rgba(255, 255, 255, 0.4)),
    #f4f6f1;
}

.kit-hero-grid {
  display: grid;
  grid-template-columns: 1fr minmax(250px, 340px);
  gap: 48px;
  align-items: center;
}

.kit-hero h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: 58px;
  line-height: 1;
}

.kit-summary {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.kit-summary span {
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.kit-summary strong {
  display: block;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-size: 18px;
}

.kit-section {
  padding: 78px 0 86px;
}

.kit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.kit-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.kit-card pre {
  overflow-x: auto;
  margin: 0;
  padding: 18px;
  border: 1px solid rgba(32, 33, 36, 0.1);
  border-radius: 8px;
  background: #f6f7f3;
  color: #2e3234;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.tracker-card {
  grid-column: 1 / -1;
}

.tracker-card p {
  color: var(--muted);
}

.tracker-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.tracker-columns span {
  min-height: 38px;
  padding: 9px 11px;
  border: 1px solid rgba(32, 33, 36, 0.1);
  border-radius: 8px;
  background: #f6f7f3;
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
}

@media (max-width: 900px) {
  .site-header {
    gap: 12px;
    padding: 12px 18px;
  }

  .brand-mark {
    min-width: auto;
  }

  .header-nav {
    display: none;
  }

  .hero,
  .hero-content {
    min-height: 78svh;
  }

  .hero-content {
    width: 100%;
    padding: 72px 24px 64px;
  }

  h1 {
    font-size: 50px;
  }

  h2 {
    font-size: 32px;
  }

  .hero-line {
    font-size: 25px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .intro-grid,
  .kit-hero-grid,
  .closing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .workflow-grid,
  .prompt-grid,
  .kit-grid {
    grid-template-columns: 1fr;
  }

  .prompt-card:last-child,
  .tracker-card {
    grid-column: auto;
  }

  .kit-hero {
    padding: 70px 0 52px;
  }

  .kit-hero h1 {
    font-size: 42px;
  }
}

@media (max-width: 520px) {
  .site-header {
    min-height: 64px;
  }

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

  .header-action {
    padding-right: 11px;
    padding-left: 11px;
  }

  .hero,
  .hero-content {
    min-height: 76svh;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 28px;
  }

  .button {
    width: 100%;
  }

  .section-shell {
    width: min(100% - 32px, 1120px);
  }

  .workflow-section,
  .prompt-band,
  .closing-band {
    padding: 58px 0;
  }

  .prompt-topline {
    grid-template-columns: 1fr;
  }

  .copy-button {
    width: 100%;
  }

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

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