:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --text: #20211f;
  --muted: #686a65;
  --line: #deded8;
  --accent: #d96c3b;
  --dark: #191a18;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(247, 247, 244, .92);
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--accent);
}

nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
}

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

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

.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 80px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.03;
  letter-spacing: -3px;
  font-weight: 750;
}

.lead {
  max-width: 610px;
  margin: 30px 0;
  color: var(--muted);
  font-size: 19px;
}

.buttons {
  display: flex;
  gap: 12px;
}

.button {
  display: inline-block;
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  font-size: 14px;
}

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

.terminal {
  overflow: hidden;
  border-radius: 10px;
  background: var(--dark);
  box-shadow: 0 25px 70px rgba(0,0,0,.13);
}

.terminal-bar {
  height: 34px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border-bottom: 1px solid #333;
}

.terminal-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #555;
}

.terminal pre {
  margin: 0;
  padding: 28px;
  overflow: auto;
  color: #d9d9d3;
  font: 13px/1.75 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.section {
  padding: 110px 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 45px;
}

h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -2px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  min-height: 260px;
  padding: 32px;
  background: var(--surface);
}

.number {
  margin-bottom: 55px;
  color: var(--accent);
  font: 12px ui-monospace, SFMono-Regular, Menlo, monospace;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.quote {
  padding: 100px 0;
  background: var(--dark);
  color: white;
}

blockquote {
  max-width: 850px;
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.2;
  letter-spacing: -1.5px;
}

.quote p {
  margin: 25px 0 0;
  color: #999;
  font: 12px ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

.note {
  display: block;
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform .15s ease, box-shadow .15s ease;
}

.note:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0,0,0,.07);
}

.date {
  color: var(--accent);
  font: 10px ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 1px;
}

.note h3 {
  margin: 30px 0 12px;
  font-size: 20px;
  line-height: 1.25;
}

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

.read {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  font-weight: 600;
}

footer {
  border-top: 1px solid var(--line);
}

.footer {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

.footer span:first-child {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 700;
}

@media (max-width: 800px) {
  .hero {
    min-height: auto;
    padding: 80px 0;
    grid-template-columns: 1fr;
    gap: 50px;
  }

  h1 {
    letter-spacing: -2px;
  }

  .cards,
  .notes {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 75px 0;
  }

  .nav {
    height: 64px;
  }

  nav {
    gap: 15px;
  }

  .footer {
    padding: 20px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }
}