:root {
  color-scheme: light;
  --ink: #20293a;
  --muted: #5f6878;
  --paper: #fffdf8;
  --cream: #f8f1e5;
  --line: #e7ddcb;
  --coral: #e94b3c;
  --yellow: #ffc83d;
  --green: #2f8f68;
  --shadow: 0 18px 48px rgba(48, 39, 24, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 4%, rgba(255, 200, 61, 0.24), transparent 28rem),
    linear-gradient(180deg, #fffaf0 0%, var(--cream) 100%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: #176b50;
  text-underline-offset: 3px;
}

.site-header {
  border-bottom: 1px solid rgba(32, 41, 58, 0.08);
  background: rgba(255, 253, 248, 0.88);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  width: min(1080px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 1.04rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: var(--ink);
  color: var(--yellow);
  font-size: 1.2rem;
  transform: rotate(-3deg);
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 0.94rem;
  font-weight: 700;
}

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

.shell {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 90px;
}

.hero {
  margin-bottom: 36px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 4.9rem);
  line-height: 0.99;
  letter-spacing: -0.055em;
}

.lede {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.04rem, 2vw, 1.2rem);
}

.card {
  margin-top: 22px;
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 2rem 0 0.55rem;
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.card h2:first-child {
  margin-top: 0;
}

.card p,
.card ul,
.card ol {
  color: #465062;
}

.card li + li {
  margin-top: 0.45rem;
}

.notice {
  margin: 26px 0;
  padding: 18px 20px;
  border-left: 5px solid var(--yellow);
  border-radius: 4px 16px 16px 4px;
  background: #fff7d8;
  color: #4f472c;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  background: var(--ink);
  color: white;
  font-weight: 800;
  text-decoration: none;
}

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

.meta {
  margin-top: 16px;
  color: #7c8491;
  font-size: 0.9rem;
}

.site-footer {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0 44px;
  border-top: 1px solid rgba(32, 41, 58, 0.1);
  color: #69717e;
  font-size: 0.88rem;
}

.site-footer p {
  margin: 5px 0;
}

@media (max-width: 600px) {
  .nav {
    min-height: 66px;
  }

  .brand span:last-child {
    display: none;
  }

  .shell {
    padding-top: 48px;
  }

  .card {
    border-radius: 22px;
  }
}
