:root {
  --bg: #f3efe7;
  --bg-alt: #fffaf3;
  --ink: #1b1d22;
  --ink-muted: #4f5560;
  --accent: #0f766e;
  --accent-strong: #0b4f4a;
  --card: rgba(255, 255, 255, 0.88);
  --line: rgba(20, 28, 45, 0.15);
  --shadow: 0 14px 36px rgba(12, 18, 28, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 20%, #c4f1df 0%, transparent 38%),
    radial-gradient(circle at 90% 0%, #ffe9ca 0%, transparent 34%),
    linear-gradient(160deg, var(--bg) 0%, #e6f1ef 100%);
  line-height: 1.6;
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

.hero {
  padding: 1.2rem 0 3.2rem;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: min(1080px, 92vw);
  margin: 0 auto;
  padding: 0.8rem 0;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--ink);
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}

.hero-content {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 24px;
  padding: clamp(1.25rem, 2.8vw, 2.6rem);
  margin-top: 1rem;
}

.eyebrow {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  background: var(--bg-alt);
  font-size: 0.88rem;
  margin: 0;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.2;
  margin: 0.2rem 0 0.8rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  max-width: 11ch;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2.1rem);
}

.lead {
  font-size: 1.1rem;
  max-width: 64ch;
  color: var(--ink-muted);
}

.hero-cta {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin: 1.2rem 0;
}

.btn {
  border-radius: 999px;
  padding: 0.65rem 1rem;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn.primary {
  color: #fff;
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 10px 24px rgba(8, 80, 74, 0.24);
}

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

.quick-info {
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  list-style: none;
  color: var(--ink-muted);
}

.quick-info a {
  color: inherit;
}

.section {
  padding: 2rem 0;
}

.timeline,
.grid {
  display: grid;
  gap: 1rem;
}

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

.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
}

.meta {
  color: var(--ink-muted);
  font-weight: 500;
  margin-top: -0.2rem;
}

.card ul {
  margin: 0.6rem 0;
  padding-left: 1.1rem;
}

.tech {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  color: #184f63;
  font-weight: 500;
}

.footer {
  text-align: center;
  color: var(--ink-muted);
  padding: 2rem 1rem 3rem;
}

@media (max-width: 840px) {
  .nav-links {
    display: none;
  }

  .grid.two {
    grid-template-columns: 1fr;
  }
}