:root {
  color-scheme: light;
  --bg: #f7f7f4;
  --surface: #ffffff;
  --ink: #18181b;
  --muted: #66666f;
  --soft: #e4e4e0;
  --line: #d8d8d2;
  --green: #047857;
  --blue: #0369a1;
  --amber: #b45309;
  --shadow: 0 18px 60px rgba(24, 24, 27, 0.09);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(247, 247, 244, 0.9) 34rem),
    radial-gradient(circle at 18% 10%, rgba(4, 120, 87, 0.12), transparent 24rem),
    radial-gradient(circle at 86% 18%, rgba(3, 105, 161, 0.12), transparent 26rem),
    var(--bg);
  color: var(--ink);
  letter-spacing: 0;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(3, 105, 161, 0.32);
  outline-offset: 3px;
}

.site-shell {
  min-height: 100vh;
}

.site-nav,
.hero,
.section,
.proof-strip,
.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(24, 24, 27, 0.12);
  border-radius: 8px;
  background: #18181b;
  color: #ffffff;
  font-size: 13px;
  font-weight: 850;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  font-weight: 700;
}

.brand small {
  margin-top: 1px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.site-nav nav a {
  border-radius: 8px;
  padding: 9px 11px;
  color: #4b4b53;
  font-size: 14px;
  font-weight: 600;
}

.site-nav nav a:hover {
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
}

.nav-external {
  border: 1px solid rgba(24, 24, 27, 0.12);
  background: rgba(255, 255, 255, 0.66);
}

.text-link {
  color: var(--blue);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(360px, 0.72fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100svh - 110px);
  padding: 52px 0 76px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(48px, 7vw, 86px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero__lede {
  max-width: 660px;
  margin-bottom: 30px;
  color: #45454d;
  font-size: 18px;
  line-height: 1.72;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 750;
}

.button--primary {
  background: var(--ink);
  color: white;
}

.button--secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
}

.hero-visual {
  min-width: 0;
}

.visual-panel {
  border: 1px solid rgba(24, 24, 27, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.visual-panel--main {
  padding: 18px;
}

.panel-row--header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--soft);
  padding-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
}

.panel-row--header strong {
  color: var(--ink);
}

.flow {
  display: grid;
  grid-template-columns: 1fr 28px 1fr 28px 1fr;
  align-items: center;
  gap: 8px;
  padding: 36px 0;
}

.node {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  font-size: 14px;
  font-weight: 800;
}

.node--green {
  border-color: rgba(4, 120, 87, 0.28);
  background: #ecfdf5;
  color: #065f46;
}

.node--blue {
  border-color: rgba(3, 105, 161, 0.28);
  background: #eff6ff;
  color: #075985;
}

.line {
  height: 2px;
  background: var(--line);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.metric-grid span {
  min-width: 0;
  border-radius: 8px;
  background: #f4f4f1;
  padding: 12px;
}

.metric-grid strong,
.metric-grid small {
  display: block;
}

.metric-grid strong {
  font-size: 13px;
}

.metric-grid small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.section {
  padding: 64px 0;
}

.section--split {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.section__intro {
  max-width: 680px;
}

.section__intro h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.05;
}

.section__intro p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.project-card,
.principle-card,
.proof-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
}

.project-card {
  display: flex;
  min-height: 310px;
  flex-direction: column;
  padding: 24px;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: rgba(24, 24, 27, 0.24);
  box-shadow: 0 14px 42px rgba(24, 24, 27, 0.08);
}

.project-card__meta {
  align-self: flex-start;
  border-radius: 999px;
  background: #f4f4f1;
  padding: 6px 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.project-card__name {
  margin-top: 28px;
  font-size: 36px;
  font-weight: 800;
}

.project-card__label {
  margin-top: 4px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
}

.project-card__summary {
  margin-top: 20px;
  color: #45454d;
  font-size: 15px;
  line-height: 1.65;
}

.project-card__points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 24px;
}

.project-card__points span {
  border-radius: 8px;
  background: #f4f4f1;
  padding: 8px 10px;
  color: #3f3f46;
  font-size: 12px;
  font-weight: 700;
}

.project-card--emerald {
  border-top: 4px solid var(--green);
}

.project-card--sky {
  border-top: 4px solid var(--blue);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 18px 0 48px;
}

.proof-card {
  padding: 20px;
}

.proof-card strong {
  display: block;
  font-size: 28px;
}

.proof-card span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  font-weight: 800;
}

.proof-card p,
.principle-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.principle-grid,
.focus-grid {
  display: grid;
  gap: 12px;
}

.principle-card,
.focus-card {
  padding: 20px;
}

.principle-card h3,
.focus-card h3 {
  display: block;
  margin: 0;
  font-size: 15px;
  font-weight: 800;
}

.focus-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 26px;
}

.focus-card {
  display: flex;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
}

.focus-card > span {
  width: 8px;
  min-height: 100%;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--green), var(--blue));
}

.focus-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 860px) {
  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav nav {
    justify-content: flex-start;
  }

  .hero,
  .section--split,
  .project-grid,
  .proof-strip,
  .focus-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }
}

@media (max-width: 560px) {
  .site-nav,
  .hero,
  .section,
  .proof-strip,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  h1 {
    font-size: 44px;
  }

  .hero__lede {
    font-size: 16px;
  }

  .flow,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .line {
    height: 18px;
    width: 2px;
    justify-self: center;
  }

  .site-footer {
    flex-direction: column;
  }
}