:root {
  --ink: #17201b;
  --muted: #5d6b62;
  --line: #d9e2dc;
  --paper: #fbfcf8;
  --soft: #eef5f0;
  --green: #1f7a4f;
  --teal: #0d6f78;
  --gold: #c58a1b;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 32px;
  border-bottom: 1px solid rgba(23, 32, 27, 0.08);
  background: rgba(251, 252, 248, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  font-size: 22px;
  font-weight: 750;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 64px);
  padding: 64px 6vw 80px;
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.96;
  letter-spacing: 0;
}

.lede {
  max-width: 680px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 720;
  text-decoration: none;
}

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

.button.secondary {
  background: var(--white);
}

.note {
  color: var(--muted);
  font-size: 14px;
}

.learning-panel {
  width: min(100%, 460px);
  justify-self: end;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 24px 70px rgba(31, 72, 49, 0.16);
}

.panel-header {
  display: flex;
  gap: 8px;
  padding-bottom: 18px;
}

.panel-header span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line);
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding: 18px;
  border-radius: 8px;
  background: var(--soft);
}

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

.metric-row small {
  margin-top: 5px;
  color: var(--muted);
}

.metric-row b {
  color: var(--green);
  font-size: 34px;
}

.path-card {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.path-card.active {
  border-color: rgba(31, 122, 79, 0.35);
  background: #f4faf6;
}

.path-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--white);
  background: var(--teal);
  font-size: 13px;
  font-weight: 750;
}

.path-card p {
  margin: 0;
  line-height: 1.35;
}

.signal-bars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  align-items: end;
  height: 84px;
  margin-top: 18px;
  padding: 14px;
  border-radius: 8px;
  background: #17201b;
}

.signal-bars i {
  display: block;
  border-radius: 4px 4px 0 0;
  background: var(--gold);
}

.signal-bars i:nth-child(1) { height: 34%; }
.signal-bars i:nth-child(2) { height: 54%; }
.signal-bars i:nth-child(3) { height: 46%; }
.signal-bars i:nth-child(4) { height: 72%; }
.signal-bars i:nth-child(5) { height: 88%; }

.section {
  padding: 84px 6vw;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

h2 {
  max-width: 860px;
  margin-bottom: 18px;
  font-size: clamp(32px, 5vw, 60px);
  line-height: 1.02;
  letter-spacing: 0;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.focus-grid article {
  min-height: 220px;
  padding: 24px;
  background: var(--white);
}

.focus-grid h3 {
  margin-bottom: 14px;
  font-size: 22px;
}

.focus-grid p,
.brief-grid p,
.brief p,
.inquiry-box p {
  color: var(--muted);
  line-height: 1.55;
}

.brief-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.brief-grid article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.brief-grid strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
}

.band {
  padding: 88px 6vw;
  color: var(--white);
  background: #17201b;
}

.brief {
  max-width: 980px;
}

.brief .eyebrow {
  color: #8ad4b0;
}

.brief p {
  max-width: 720px;
  color: #c9d6ce;
  font-size: 19px;
}

.inquiry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 44px;
  align-items: start;
}

.inquiry-box {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 6vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .hero,
  .inquiry {
    grid-template-columns: 1fr;
  }

  .learning-panel {
    justify-self: stretch;
    width: 100%;
  }

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

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

@media (max-width: 620px) {
  .topbar {
    padding: 0 18px;
  }

  .nav {
    gap: 14px;
  }

  .hero,
  .section,
  .band {
    padding-left: 20px;
    padding-right: 20px;
  }

  h1 {
    font-size: 48px;
  }

  .lede {
    font-size: 18px;
  }

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

  footer {
    flex-direction: column;
    padding-left: 20px;
    padding-right: 20px;
  }
}