:root {
  --ink: #0c1d20;
  --muted: #55686a;
  --deep: #07383b;
  --teal: #0f6b67;
  --mint: #d9fff2;
  --lime: #b9f7dc;
  --violet: #b96cff;
  --paper: #f7fbf8;
  --surface: #ffffff;
  --line: rgba(12, 29, 32, 0.12);
  --shadow: 0 24px 70px rgba(7, 56, 59, 0.14);
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(185, 108, 255, 0.16), transparent 32rem),
    radial-gradient(circle at 90% 6%, rgba(15, 107, 103, 0.2), transparent 30rem),
    linear-gradient(180deg, #eef9f3 0%, var(--paper) 38%, #ffffff 100%);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: 0;
}

.brand::before {
  width: 28px;
  height: 28px;
  content: "";
  border-radius: 9px;
  background:
    radial-gradient(circle at 75% 24%, var(--violet) 0 18%, transparent 20%),
    linear-gradient(135deg, var(--deep), var(--teal));
}

nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 0.92rem;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--deep);
}

.nav-cta {
  padding: 10px 14px;
  border: 1px solid rgba(7, 56, 59, 0.14);
  border-radius: 999px;
  color: var(--deep);
  background: rgba(255, 255, 255, 0.72);
  font-weight: 800;
}

.section-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.64fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: clamp(42px, 8vw, 96px) 0;
}

.eyebrow,
.section-label,
.card-kicker {
  margin: 0 0 16px;
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(3.2rem, 9vw, 7rem);
  line-height: 0.88;
  letter-spacing: -0.055em;
}

h2 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(2.1rem, 4.6vw, 4.5rem);
  line-height: 0.96;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

p {
  font-size: 1.03rem;
  line-height: 1.65;
}

.hero-text {
  max-width: 700px;
  color: #284346;
  font-size: clamp(1.2rem, 2vw, 1.52rem);
  line-height: 1.45;
}

.hero-proof {
  max-width: 760px;
  margin-top: 26px;
  margin-bottom: 0;
  color: var(--deep);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  font-weight: 850;
  line-height: 1.45;
}

.hero-bridge {
  max-width: 760px;
  margin-top: 14px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.45vw, 1.22rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #f5fffb;
  background: var(--deep);
  box-shadow: 0 16px 36px rgba(7, 56, 59, 0.24);
}

.button.secondary {
  color: var(--deep);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.hero-card {
  overflow: hidden;
  border: 1px solid rgba(7, 56, 59, 0.12);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.hero-card div {
  padding: 24px;
}

.hero-card p:last-child {
  margin-bottom: 0;
  color: #284346;
}

.problem {
  padding: 82px 0 72px;
}

.problem p:last-child,
.about p,
.contact p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.12rem;
}

.work,
.evidence,
.routes,
.builds,
.about,
.contact {
  padding: 82px 0;
  border-top: 1px solid var(--line);
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 34px;
}

.section-intro .section-label {
  align-self: start;
}

.section-intro h2 {
  margin-bottom: 0;
}

.cards {
  display: grid;
  gap: 18px;
}

.cards.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

article,
.evidence-copy,
.lab-list > div {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 18px 50px rgba(7, 56, 59, 0.06);
}

article {
  min-height: 260px;
  padding: 28px;
}

article p,
.evidence-copy p,
.lab-list p {
  color: var(--muted);
}

.index {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--violet);
  font-weight: 900;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat {
  padding: 26px;
  border-radius: 18px;
  color: #edfff8;
  background: linear-gradient(145deg, var(--deep), #0b5957);
}

.stat strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(2.3rem, 5vw, 4.6rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.stat span {
  display: block;
  color: rgba(237, 255, 248, 0.78);
  line-height: 1.35;
}

.evidence-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 28px;
}

.evidence-copy p {
  margin-bottom: 0;
}

.text-link {
  color: var(--deep);
  font-weight: 900;
  text-decoration-color: var(--violet);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
  white-space: nowrap;
}

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

.lab-list > div {
  padding: 26px;
}

.lab-list span {
  display: inline-flex;
  margin-bottom: 26px;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--deep);
  background: var(--mint);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact {
  padding-bottom: 120px;
}

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

  nav {
    justify-content: flex-start;
  }

  .hero,
  .section-intro,
  .evidence-copy {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .cards.three,
  .cards.two,
  .evidence-grid,
  .lab-list {
    grid-template-columns: 1fr;
  }

  article {
    min-height: auto;
  }

  .index {
    margin-bottom: 24px;
  }

  .text-link {
    white-space: normal;
  }
}

@media (max-width: 520px) {
  .section-shell,
  .site-header {
    width: min(100% - 24px, 1120px);
  }

  h1 {
    font-size: clamp(3rem, 17vw, 4.4rem);
  }

  .button {
    width: 100%;
  }
}