:root {
  color-scheme: light;
  --ink: #16201c;
  --muted: #66716d;
  --line: #dce3df;
  --paper: #fbf9f3;
  --panel: #ffffff;
  --wash: #edf6f1;
  --green: #176b57;
  --teal: #1f9d89;
  --amber: #c9852d;
  --blue: #3b6ea8;
  --shadow: 0 24px 70px rgba(22, 32, 28, 0.14);
  --radius: 8px;
}

* {
  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;
  line-height: 1.5;
}

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

button {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(220, 227, 223, 0.78);
  background: rgba(251, 249, 243, 0.92);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 720;
}

.brand span:last-child {
  display: grid;
  gap: 1px;
}

.brand small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 7px;
  background: var(--ink);
  color: #ffffff;
  font-size: 12px;
  letter-spacing: 0;
}

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

.nav-links a:hover,
.site-footer a:hover {
  color: var(--green);
}

.header-action,
.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 680;
}

.header-action {
  padding: 0 16px;
  background: var(--ink);
  color: #ffffff;
  font-size: 14px;
}

.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: min(720px, calc(100vh - 67px));
  align-items: center;
  padding: clamp(34px, 5vw, 72px) clamp(20px, 4vw, 56px);
  overflow: hidden;
  background: var(--paper);
}

.hero-copy {
  max-width: 700px;
  transform: translateY(-42px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 620px;
  margin-bottom: 0;
  font-size: clamp(42px, 4.8vw, 68px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(28px, 5vw, 86px);
  align-items: end;
  padding: clamp(38px, 5vw, 72px) clamp(20px, 4vw, 56px);
  background: var(--paper);
}

.intro-copy {
  max-width: 720px;
}

.hero-text {
  max-width: 610px;
  margin-bottom: 28px;
  color: #3f4a46;
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
}

.primary-button,
.secondary-button {
  padding: 0 20px;
}

.primary-button {
  background: var(--green);
  color: #ffffff;
}

.secondary-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.try-note {
  max-width: 560px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.try-note a {
  color: var(--green);
  font-weight: 760;
}

.hero-metrics {
  display: grid;
  width: 100%;
  max-width: 650px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.hero-metrics div {
  border-top: 1px solid rgba(22, 32, 28, 0.16);
  padding-top: 14px;
}

.hero-metrics dt {
  font-size: 28px;
  font-weight: 760;
  line-height: 1;
}

.hero-metrics div:last-child dt {
  font-size: 23px;
}

.hero-metrics dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-banner {
  position: relative;
  margin: 0;
  overflow: hidden;
  box-shadow: none;
}

.hero > .hero-banner {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-banner::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(251, 249, 243, 0.92) 0%, rgba(251, 249, 243, 0.7) 32%, rgba(251, 249, 243, 0.08) 62%, rgba(251, 249, 243, 0) 100%),
    linear-gradient(0deg, rgba(251, 249, 243, 0.42) 0%, rgba(251, 249, 243, 0) 38%);
  content: "";
  pointer-events: none;
}

.hero-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.band,
.knowledge-section,
.split-section,
.proof-section,
.naming-section {
  padding: clamp(64px, 8vw, 110px) clamp(20px, 4vw, 56px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.split-section h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.02;
  letter-spacing: 0;
}

.feature-grid,
.knowledge-grid,
.use-case-grid,
.route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article,
.knowledge-grid article,
.use-case-grid article,
.route-grid article,
.positioning-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: rgba(255, 255, 255, 0.72);
}

.feature-number {
  display: block;
  margin-bottom: 28px;
  color: var(--green);
  font-weight: 780;
}

.feature-grid h3,
.knowledge-grid h3,
.use-case-grid h3,
.route-grid h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.feature-grid p,
.knowledge-grid p,
.use-case-grid p,
.split-section p,
.route-grid p,
.positioning-card p {
  color: var(--muted);
}

.knowledge-section {
  background: #f6f3eb;
}

.knowledge-grid article {
  background: #ffffff;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 6vw, 92px);
  align-items: start;
  background: var(--ink);
  color: #ffffff;
}

.split-section .eyebrow,
.split-section p {
  color: #c9d8d2;
}

.split-section p {
  max-width: 620px;
  margin-top: 18px;
  font-size: 18px;
}

.control-list {
  display: grid;
  gap: 10px;
}

.control-list div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.control-list span {
  max-width: 330px;
  color: #c9d8d2;
  text-align: right;
}

.proof-section {
  background: #f6f3eb;
}

.naming-section {
  background: #fffdf8;
}

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

.route-kicker {
  display: block;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.positioning-card {
  display: grid;
  grid-template-columns: 0.45fr 1fr;
  gap: 20px;
  align-items: start;
  margin-top: 18px;
  background: #edf6f1;
}

.positioning-card strong {
  font-size: 18px;
}

.positioning-card p {
  margin-bottom: 0;
}

.site-footer {
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer span {
  color: var(--ink);
  font-weight: 720;
}

@media (max-width: 1120px) {
  .hero-copy {
    max-width: 790px;
  }

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

@media (max-width: 840px) {
  .site-header {
    position: static;
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: 560px;
    align-items: center;
  }

  .hero-banner::after {
    background:
      linear-gradient(90deg, rgba(251, 249, 243, 0.94) 0%, rgba(251, 249, 243, 0.76) 60%, rgba(251, 249, 243, 0.16) 100%),
      linear-gradient(0deg, rgba(251, 249, 243, 0.52) 0%, rgba(251, 249, 243, 0) 45%);
  }

  .hero-intro,
  .hero-metrics,
  .feature-grid,
  .knowledge-grid,
  .use-case-grid,
  .split-section,
  .route-grid,
  .positioning-card {
    grid-template-columns: 1fr;
  }

  .control-list div {
    display: block;
  }

  .control-list span {
    display: block;
    margin-top: 8px;
    text-align: left;
  }
}

@media (max-width: 560px) {
  .site-header {
    gap: 14px;
  }

  .header-action {
    width: 100%;
  }

  .hero-actions a {
    width: 100%;
  }

  h1 {
    font-size: 40px;
  }

  .hero {
    min-height: 480px;
  }

  .hero-copy {
    transform: translateY(-26px);
  }

  .hero-metrics {
    display: grid;
  }

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

  .hero-banner img {
    object-position: 58% center;
  }

  .brand small {
    display: none;
  }
}