:root {
  color-scheme: light;
  --ink: #13262f;
  --muted: #5d6c72;
  --paper: #f7faf8;
  --surface: #ffffff;
  --line: #dce6e2;
  --teal: #0e7c78;
  --teal-dark: #075a57;
  --coral: #e85d4f;
  --gold: #e4ad3c;
  --mint: #dff3ed;
  --shadow: 0 24px 70px rgba(19, 38, 47, 0.14);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

::selection {
  background: rgba(232, 93, 79, 0.2);
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  border-bottom: 1px solid transparent;
  background: rgba(247, 250, 248, 0.82);
  backdrop-filter: blur(18px);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  border-color: rgba(19, 38, 47, 0.08);
  box-shadow: 0 10px 30px rgba(19, 38, 47, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max), calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(14, 124, 120, 0.22);
  border-radius: var(--radius);
  background: #fff;
  color: var(--teal-dark);
  font-weight: 900;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}

.brand small {
  color: var(--muted);
  font-size: 0.82rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  border-radius: var(--radius);
  color: #20343d;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 10px 12px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: rgba(14, 124, 120, 0.1);
  color: var(--teal-dark);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.menu-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 3px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: 88vh;
  align-items: end;
  overflow: hidden;
  padding: 120px 0 44px;
}

.hero-image,
.hero-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(7, 31, 35, 0.84), rgba(7, 31, 35, 0.54) 44%, rgba(7, 31, 35, 0.16)),
    linear-gradient(0deg, rgba(7, 31, 35, 0.74), rgba(7, 31, 35, 0) 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  color: #fff;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffd179;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
  letter-spacing: 0;
}

h1 {
  max-width: 840px;
  font-size: clamp(2.6rem, 7vw, 5.8rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 4rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.8rem);
}

.hero-copy {
  max-width: 710px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.04rem, 2vw, 1.28rem);
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 900;
  padding: 12px 18px;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

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

.button.primary {
  background: var(--coral);
  color: #fff;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #cf4439;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 40px 0 0;
}

.hero-metrics div {
  min-width: 136px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.13);
  padding: 14px 16px;
  backdrop-filter: blur(14px);
}

.hero-metrics dt {
  font-size: 2rem;
  font-weight: 950;
  line-height: 1;
}

.hero-metrics dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
}

.section {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 96px 0;
}

.intro-band {
  width: 100%;
  margin: 0;
  padding-inline: max(16px, calc((100vw - var(--max)) / 2));
  background: #fff;
}

.section-heading {
  max-width: 900px;
  margin-bottom: 36px;
}

.section-heading.compact {
  max-width: 780px;
}

.section-heading p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.topic-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.tab,
.ghost-button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-weight: 850;
  padding: 10px 14px;
}

.tab.is-active {
  border-color: rgba(14, 124, 120, 0.22);
  background: var(--mint);
  color: var(--teal-dark);
}

.topic-panel,
.doc-panel,
.agent-detail,
.tool-panel,
.closing-panel,
.maturity-meter {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.topic-panel {
  min-height: 320px;
  padding: clamp(24px, 4vw, 44px);
}

.topic-panel p,
.doc-panel p,
.agent-detail p,
.practice-card p,
.insight-row p,
.closing-panel p {
  color: var(--muted);
}

.panel-kicker {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 26px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.2em;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--gold);
  content: "";
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.practice-card,
.insight-row article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px;
}

.practice-card {
  min-height: 232px;
}

.number {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--coral);
  font-weight: 950;
}

.tool-panel {
  display: grid;
  grid-template-columns: 0.92fr 1fr 1.1fr;
  gap: 24px;
  margin-top: 28px;
  padding: 28px;
}

.tool-panel p {
  color: var(--muted);
}

.prompt-form {
  display: grid;
  gap: 12px;
}

.prompt-form label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 850;
}

.prompt-form select,
.prompt-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdfc;
  color: var(--ink);
  padding: 12px;
}

.prompt-form textarea {
  resize: vertical;
}

.prompt-output {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #13262f;
  color: #fff;
  overflow: hidden;
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 12px 14px;
}

.output-header .ghost-button {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

pre {
  min-height: 260px;
  max-height: 440px;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  padding: 18px;
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9rem;
}

.document-section {
  width: 100%;
  margin: 0;
  padding-inline: max(16px, calc((100vw - var(--max)) / 2));
  background: #eaf6f2;
}

.doc-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 20px;
}

.doc-steps {
  display: grid;
  gap: 10px;
  align-content: start;
}

.doc-step {
  display: flex;
  min-height: 58px;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(14, 124, 120, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.64);
  color: var(--ink);
  font-weight: 900;
  padding: 12px;
  text-align: left;
}

.doc-step span {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  place-items: center;
  border-radius: var(--radius);
  background: #fff;
  color: var(--teal-dark);
}

.doc-step.is-active {
  background: var(--teal);
  color: #fff;
}

.doc-step.is-active span {
  color: var(--teal-dark);
}

.doc-panel {
  min-height: 360px;
  padding: clamp(24px, 4vw, 44px);
}

.insight-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.agent-board {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: 20px;
}

.agent-map {
  display: grid;
  gap: 12px;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(14, 124, 120, 0.13), transparent 44%),
    #fff;
  padding: 24px;
}

.agent-node {
  width: 100%;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-weight: 950;
  text-align: left;
  padding: 14px 16px;
}

.agent-node.is-active {
  border-color: rgba(232, 93, 79, 0.42);
  background: #fff1ee;
  color: #a2362c;
}

.agent-detail {
  min-height: 420px;
  padding: clamp(24px, 4vw, 44px);
}

.agent-detail dl {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
}

.agent-detail dl div {
  border-left: 4px solid var(--gold);
  padding-left: 14px;
}

.agent-detail dt {
  font-weight: 950;
}

.agent-detail dd {
  margin: 4px 0 0;
  color: var(--muted);
}

.rule-strip {
  margin-top: 20px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  padding: 18px 20px;
}

.governance-section {
  padding-bottom: 112px;
}

.governance-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 20px;
  align-items: start;
}

.maturity-meter {
  position: sticky;
  top: 96px;
  padding: 28px;
}

.meter-label {
  display: block;
  color: var(--muted);
  font-weight: 850;
}

.maturity-meter strong {
  display: block;
  margin-top: 14px;
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 1;
}

.meter-track {
  height: 14px;
  margin: 20px 0;
  overflow: hidden;
  border-radius: 999px;
  background: #e5ece9;
}

.meter-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--coral), var(--gold), var(--teal));
  transition: width 0.25s ease;
}

.checklist {
  display: grid;
  gap: 10px;
}

.checklist label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 16px;
  font-weight: 820;
}

.checklist input {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  accent-color: var(--teal);
  margin-top: 2px;
}

.closing-panel {
  margin-top: 28px;
  padding: clamp(28px, 5vw, 56px);
  background:
    linear-gradient(135deg, rgba(232, 93, 79, 0.12), transparent 42%),
    #fff;
}

.closing-panel .button {
  margin-top: 12px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  padding: 24px max(16px, calc((100vw - var(--max)) / 2));
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .practice-grid,
  .insight-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-panel,
  .doc-layout,
  .agent-board,
  .governance-grid {
    grid-template-columns: 1fr;
  }

  .maturity-meter {
    position: static;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: 72px 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border-bottom: 1px solid var(--line);
    background: #fff;
    padding: 12px 16px 18px;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 14px;
  }

  .hero {
    min-height: 92vh;
    padding-top: 108px;
  }

  .hero-scrim {
    background:
      linear-gradient(180deg, rgba(7, 31, 35, 0.56), rgba(7, 31, 35, 0.88)),
      linear-gradient(90deg, rgba(7, 31, 35, 0.44), rgba(7, 31, 35, 0.1));
  }

  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-metrics div {
    min-width: 0;
    padding: 12px;
  }

  .hero-metrics dt {
    font-size: 1.4rem;
  }

  .hero-metrics dd {
    font-size: 0.78rem;
  }

  .section {
    padding: 72px 0;
  }

  .intro-band,
  .document-section {
    padding-block: 72px;
  }

  .practice-grid,
  .insight-row {
    grid-template-columns: 1fr;
  }

  .practice-card {
    min-height: 0;
  }

  .doc-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .nav {
    width: min(var(--max), calc(100% - 24px));
  }

  .brand strong {
    font-size: 0.92rem;
  }

  .brand small {
    font-size: 0.74rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .topic-switcher {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .tab {
    padding-inline: 10px;
  }

  .doc-steps {
    grid-template-columns: 1fr;
  }

  .tool-panel,
  .topic-panel,
  .doc-panel,
  .agent-detail,
  .maturity-meter,
  .closing-panel {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}