/* This is an arbitrary change. */

:root {
  --bg: #f4efe6;
  --ink: #152238;
  --muted: #4f617a;
  --card: #fff9f2;
  --line: #d8c8b2;
  --accent-a: #e35b3f;
  --accent-b: #1f8c73;
  --accent-c: #2667ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 8% 8%, #f9c89e 0%, transparent 30%),
    radial-gradient(circle at 92% 22%, #b8e6dc 0%, transparent 25%),
    linear-gradient(180deg, #fff9f2 0%, var(--bg) 100%);
}

.hero {
  padding: 4rem 1.2rem 2rem;
  text-align: center;
  animation: rise-in 500ms ease-out;
}

.hero__eyebrow {
  margin: 0;
  color: var(--accent-a);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
}

.hero__title {
  margin: 0.7rem auto 0;
  max-width: 16ch;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.1;
}

.hero__subtitle {
  margin: 1rem auto 0;
  max-width: 56ch;
  color: var(--muted);
  line-height: 1.6;
}

.hero__repo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  min-height: 2.2rem;
  padding: 0 1rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  background: #ffffffd9;
  border: 1px solid var(--line);
  font-weight: 700;
  transition:
    background-color 160ms ease,
    transform 160ms ease;
}

.hero__repo-link:hover {
  background: #fff;
  transform: translateY(-1px);
}

.hero__repo-link:focus-visible {
  outline: 3px solid #111;
  outline-offset: 2px;
}

.stages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  padding: 1rem 1rem 3rem;
  max-width: 980px;
  margin: 0 auto;
}

.stage-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  padding: 1rem;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.8rem;
  box-shadow: 0 10px 24px rgba(21, 34, 56, 0.06);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.stage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(21, 34, 56, 0.1);
}

.stage-card h2 {
  margin: 0;
  font-size: 1.15rem;
}

.stage-card p {
  margin: 0;
  line-height: 1.55;
  color: var(--muted);
}

.stage-card__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: end;
  justify-self: start;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  padding: 0 0.9rem;
  line-height: 1;
  height: 2.2rem;
}

.stage-card--bem .stage-card__link {
  background: var(--accent-a);
}

.stage-card--tailwind .stage-card__link {
  background: var(--accent-b);
}

.stage-card--components .stage-card__link {
  background: var(--accent-c);
}

.stage-card__link:focus-visible {
  outline: 3px solid #111;
  outline-offset: 2px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 2.4rem;
  }
}