:root {
  color-scheme: light;
  --bg: #f7f7f2;
  --ink: #16191d;
  --muted: #59616b;
  --line: #d7d4c7;
  --panel: #ffffff;
  --teal: #116a70;
  --red: #b43d34;
  --blue: #234d7a;
  --shadow: 0 22px 70px rgba(28, 32, 36, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid rgba(22, 25, 29, 0.12);
  background: rgba(247, 247, 242, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 240px;
  text-decoration: none;
}

.brand span {
  display: grid;
  line-height: 1.15;
}

.brand small,
.eyebrow {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav a,
.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  padding: 10px 14px;
  text-decoration: none;
  font-weight: 700;
}

nav a {
  color: var(--muted);
}

nav a:hover {
  color: var(--ink);
  background: rgba(17, 106, 112, 0.08);
}

main {
  overflow: hidden;
}

.hero {
  min-height: 86vh;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.72fr);
  align-items: center;
  gap: clamp(32px, 6vw, 88px);
  padding: clamp(56px, 8vw, 112px) clamp(20px, 6vw, 96px) 44px;
  border-bottom: 1px solid var(--line);
}

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

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

h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-size: clamp(3.1rem, 8vw, 7.2rem);
  line-height: 0.93;
  letter-spacing: 0;
}

h2 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.22rem;
}

.lead {
  max-width: 700px;
  color: #333941;
  font-size: clamp(1.1rem, 2vw, 1.42rem);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button.primary {
  background: var(--teal);
  color: #fff;
}

.button.secondary {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.hero-visual {
  justify-self: center;
  width: min(100%, 420px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.hero-visual span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  margin-bottom: 38px;
  border: 1px solid rgba(17, 106, 112, 0.3);
  border-radius: 8px;
  background: rgba(17, 106, 112, 0.08);
  color: var(--teal);
  font-size: 1.4rem;
  font-weight: 900;
}

.hero-visual strong {
  display: block;
  max-width: 320px;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1;
}

.hero-visual p {
  margin: 18px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.intro,
.section {
  padding: clamp(48px, 7vw, 92px) clamp(20px, 6vw, 96px);
}

.intro {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.intro p {
  max-width: 1080px;
  margin-bottom: 0;
  font-size: clamp(1.4rem, 3vw, 2.6rem);
  line-height: 1.18;
}

.section-heading {
  margin-bottom: 30px;
}

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

.feature-grid article,
.repo-list a,
.team-grid article {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.feature-grid article:nth-child(1) {
  border-top: 5px solid var(--teal);
}

.feature-grid article:nth-child(2) {
  border-top: 5px solid var(--red);
}

.feature-grid article:nth-child(3) {
  border-top: 5px solid var(--blue);
}

.feature-grid p,
.split p,
.repo-list span {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: start;
  background: #20252b;
  color: #fff;
}

.split .eyebrow,
.split p {
  color: #cbd2d6;
}

.split p {
  max-width: 780px;
  margin: 0;
  font-size: 1.15rem;
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.proof-list span {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border-left: 5px solid var(--teal);
  background: #fff;
  font-weight: 800;
}

.team {
  background: #f0f3f1;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.team-grid article {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.team-grid article:nth-child(1) {
  border-top: 5px solid var(--red);
}

.team-grid article:nth-child(2) {
  border-top: 5px solid var(--teal);
}

.team-grid article:nth-child(3) {
  border-top: 5px solid var(--blue);
}

.team-grid span {
  color: var(--muted);
  font-weight: 900;
}

.team-grid p {
  color: var(--muted);
}

.repos {
  background: #fff;
}

.repo-list {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.repo-list a {
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
}

.repo-list a:hover {
  border-color: var(--teal);
  box-shadow: 0 14px 36px rgba(28, 32, 36, 0.11);
}

.repo-list strong {
  font-size: 1.05rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 6vw, 96px);
  background: #16191d;
  color: #fff;
}

@media (max-width: 920px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

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

  .hero {
    min-height: auto;
  }

  .hero-visual {
    justify-self: start;
    max-width: 340px;
  }

  .feature-grid,
  .repo-list,
  .team-grid,
  .proof-list {
    grid-template-columns: 1fr;
  }
}