:root {
  --ink: #10233a;
  --ink-soft: rgba(16, 35, 58, 0.72);
  --line: rgba(16, 35, 58, 0.12);
  --card: rgba(250, 252, 255, 0.84);
  --card-strong: rgba(250, 252, 255, 0.92);
  --accent: #315b8f;
  --accent-dark: #1d3f67;
  --gold: #c8a85b;
  --page-width: 1120px;
  --hero-image: url("./assets/cosmos-intro.jpg");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  background: #edf4fb;
  position: relative;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(236, 244, 251, 0.18), rgba(236, 244, 251, 0.82)),
    var(--hero-image) center / cover no-repeat;
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(200, 168, 91, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(49, 91, 143, 0.16), transparent 32%);
  z-index: -1;
}

a {
  color: inherit;
}

.shell {
  width: min(calc(100% - 32px), var(--page-width));
  margin: 0 auto;
}

.site-header {
  padding: 20px 0 8px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(252, 254, 255, 0.7);
  backdrop-filter: blur(12px);
}

.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), #fff3cf);
  box-shadow: 0 0 22px rgba(200, 168, 91, 0.6);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-family: "Iowan Old Style", "Palatino Linotype", Garamond, serif;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
}

.brand-tag {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent-dark);
}

.hero {
  padding: 64px 0 28px;
}

.hero-card,
.content-card,
.section-card,
.faq-card,
.footer-card {
  border: 1px solid var(--line);
  border-radius: 32px;
  background: var(--card);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 60px rgba(16, 35, 58, 0.08);
}

.hero-card {
  padding: 48px;
}

.eyebrow {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  color: var(--accent-dark);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Garamond, serif;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 0.98;
  max-width: 9ch;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 12px;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.lead {
  max-width: 58ch;
  margin: 20px 0 0;
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 140ms ease, background 140ms ease, color 140ms ease;
}

.button {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
}

.button-secondary {
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.button:hover,
.button-secondary:hover,
.button:focus-visible,
.button-secondary:focus-visible {
  transform: translateY(-1px);
}

.meta-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.meta-item {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(16, 35, 58, 0.09);
}

.meta-label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.meta-value {
  font-size: 1rem;
  line-height: 1.5;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 18px 0 56px;
}

.section-card,
.faq-card {
  padding: 28px;
}

.section-card p,
.content-card p,
.faq-card p,
.content-card li {
  color: var(--ink-soft);
  line-height: 1.7;
}

.content-wrap {
  padding: 20px 0 64px;
}

.content-card {
  padding: 36px;
}

.content-card + .content-card {
  margin-top: 18px;
}

.section-list {
  display: grid;
  gap: 16px;
}

.section-block {
  padding-top: 14px;
  border-top: 1px solid rgba(16, 35, 58, 0.08);
}

.section-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.section-block ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.support-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 18px;
}

.faq-stack {
  display: grid;
  gap: 16px;
}

.footer {
  padding: 0 0 40px;
}

.footer-card {
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-card p {
  margin: 0;
  color: var(--ink-soft);
}

.tiny {
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .meta-strip,
  .grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .content-card,
  .section-card,
  .faq-card {
    padding: 28px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(calc(100% - 20px), var(--page-width));
  }

  .hero {
    padding-top: 42px;
  }

  h1 {
    max-width: none;
  }
}