/* Rolling Forecast — GitHub Pages support site */

:root {
  --ink: #14201c;
  --muted: #4a5c55;
  --paper: #f4f7f5;
  --card: #ffffff;
  --line: #d5e0db;
  --accent: #1f6b57;
  --accent-deep: #0f4336;
  --band: #e8f1ed;
  --max: 44rem;
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 480px at 10% -10%, #d9ebe3 0%, transparent 55%),
    radial-gradient(900px 420px at 100% 0%, #e7efe9 0%, transparent 50%),
    var(--paper);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent-deep);
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  padding: 1.25rem 0 0.5rem;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  text-decoration: none;
  color: inherit;
}

.brand strong {
  font-family: var(--font);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.brand span {
  font-size: 0.85rem;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  font-weight: 600;
}

.nav a[aria-current="page"] {
  color: var(--accent-deep);
  border-bottom: 2px solid var(--accent);
}

.hero {
  margin: 1.75rem 0 2rem;
  padding: 1.75rem 1.5rem;
  background: linear-gradient(145deg, var(--accent-deep), var(--accent));
  color: #f7fffb;
  border-radius: 1rem;
  box-shadow: 0 18px 40px rgba(15, 67, 54, 0.18);
}

.hero h1 {
  margin: 0 0 0.65rem;
  font-family: var(--font);
  font-size: clamp(1.8rem, 4vw, 2.45rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.hero p {
  margin: 0;
  max-width: 36rem;
  color: rgba(247, 255, 251, 0.9);
  font-size: 1.05rem;
}

.hero .cta {
  display: inline-flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: #f7fffb;
  color: var(--accent-deep);
}

.btn-primary:hover {
  color: var(--accent-deep);
  background: #ffffff;
}

.btn-ghost {
  border-color: rgba(247, 255, 251, 0.45);
  color: #f7fffb;
}

.btn-ghost:hover {
  color: #ffffff;
  border-color: #ffffff;
}

main section {
  margin: 0 0 1.75rem;
  padding: 1.25rem 1.35rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
}

main h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

main h3 {
  margin: 1.25rem 0 0.4rem;
  font-size: 1.05rem;
}

main p,
main li {
  color: var(--muted);
}

main ul {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}

.meta {
  margin-top: 0.75rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.site-footer {
  margin: 2rem 0 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.band {
  background: var(--band);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: var(--band);
  padding: 0.1em 0.35em;
  border-radius: 0.3em;
}