:root {
  color-scheme: light;
  --ink: #111417;
  --ink-soft: #343c42;
  --muted: #6b747c;
  --line: #d8d2c6;
  --paper: #f6f1e7;
  --paper-deep: #ebe1d0;
  --teal: #0d7c79;
  --teal-dark: #075957;
  --amber: #c27a2c;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(17, 20, 23, 0.14);
}

* {
  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;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(20px, 5vw, 72px);
  color: var(--white);
  mix-blend-mode: difference;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  transform: rotate(45deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a {
  opacity: 0.82;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

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

.hero-media img {
  object-fit: cover;
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(17, 20, 23, 0.94) 0%, rgba(17, 20, 23, 0.72) 42%, rgba(17, 20, 23, 0.14) 100%),
    linear-gradient(0deg, rgba(17, 20, 23, 0.82) 0%, rgba(17, 20, 23, 0.08) 48%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 40px));
  margin: 0 clamp(20px, 5vw, 72px) clamp(52px, 10vh, 96px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero h1 {
  margin: 0;
  max-width: 680px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 520;
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 6px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 760;
}

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

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

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

.intro,
.products,
.approach,
.contact {
  padding: clamp(70px, 9vw, 128px) clamp(20px, 5vw, 72px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(150px, 0.3fr) minmax(0, 1fr);
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.intro p {
  max-width: 980px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.04;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 36px;
  align-items: end;
  margin-bottom: 34px;
}

.section-heading h2,
.contact h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p {
  margin: 0 0 6px;
  color: var(--ink-soft);
  font-size: 17px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 38px);
  background: var(--white);
  box-shadow: var(--shadow);
}

.product-runsci {
  background:
    linear-gradient(145deg, rgba(13, 124, 121, 0.1), rgba(255, 255, 255, 0) 52%),
    var(--white);
}

.product-navoption {
  background:
    linear-gradient(145deg, rgba(194, 122, 44, 0.13), rgba(255, 255, 255, 0) 52%),
    var(--white);
}

.product-topline {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
  text-transform: uppercase;
}

.product-index {
  color: var(--teal-dark);
}

.product h3 {
  margin: 56px 0 16px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
}

.product p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.feature-list {
  display: grid;
  gap: 10px;
  margin: auto 0 0;
  padding: 34px 0 0;
  list-style: none;
}

.feature-list li {
  border-top: 1px solid var(--line);
  padding-top: 11px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.text-link {
  width: fit-content;
  margin-top: 28px;
  color: var(--teal-dark);
  font-weight: 800;
  border-bottom: 2px solid currentColor;
}

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

.approach .section-heading p {
  color: rgba(255, 255, 255, 0.68);
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.principle {
  min-height: 260px;
  padding: 28px;
  background: var(--ink);
}

.principle span {
  color: var(--amber);
  font-size: 13px;
  font-weight: 800;
}

.principle h3 {
  margin: 72px 0 12px;
  font-size: 24px;
}

.principle p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  background: var(--paper-deep);
}

.contact-link {
  border-bottom: 3px solid var(--teal);
  color: var(--teal-dark);
  font-size: clamp(22px, 3vw, 38px);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(20px, 5vw, 72px);
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

@media (max-width: 860px) {
  .site-header {
    position: absolute;
    padding-top: 18px;
  }

  .nav-links {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-scrim {
    background:
      linear-gradient(90deg, rgba(17, 20, 23, 0.93), rgba(17, 20, 23, 0.64)),
      linear-gradient(0deg, rgba(17, 20, 23, 0.78), rgba(17, 20, 23, 0.1));
  }

  .intro,
  .section-heading,
  .product-grid,
  .principles,
  .contact {
    grid-template-columns: 1fr;
  }

  .product {
    min-height: 390px;
  }
}

@media (max-width: 560px) {
  .site-header {
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .hero-content {
    width: min(330px, calc(100% - 50px));
    margin-bottom: 42px;
  }

  .hero h1 {
    font-size: clamp(38px, 11vw, 48px);
    line-height: 1;
  }

  .button {
    width: 100%;
  }

  .product-topline {
    display: grid;
  }
}