:root {
  --bg-deep: #061019;
  --bg-card: rgba(255, 255, 255, 0.06);
  --bg-callout: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f0f4fa;
  --text-dim: #8ea0bb;
  --accent-main: #9ad6ff;
  --accent-warm: #ffc47b;
  --accent-green: #78dcb4;
  --accent-red: #ff9b9b;
  --glow-main: rgba(154, 214, 255, 0.14);
  --glow-warm: rgba(255, 196, 123, 0.1);
  --glow-green: rgba(120, 220, 180, 0.07);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  line-height: 1.7;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 18% 18%, var(--glow-main) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 78%, var(--glow-warm) 0%, transparent 46%),
    radial-gradient(ellipse at 50% 12%, var(--glow-green) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.back-nav,
.hero,
.content,
footer {
  position: relative;
  z-index: 1;
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
}

.back-nav {
  padding: 24px 0 8px;
}

.back-nav a {
  color: var(--accent-green);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}

.hero {
  padding: 28px 0 20px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent-warm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: 'Fredoka', sans-serif;
}

h1 {
  font-size: clamp(2.3rem, 6vw, 4.1rem);
  line-height: 1.02;
  margin-bottom: 14px;
}

h2 {
  font-size: clamp(1.45rem, 3vw, 1.95rem);
  margin-bottom: 16px;
  color: var(--accent-warm);
}

h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

p,
li {
  color: var(--text-dim);
}

.hero p {
  max-width: 780px;
  font-size: 1.03rem;
}

.content {
  display: grid;
  gap: 24px;
  padding: 12px 0 44px;
}

.section,
.callout {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: 28px;
  backdrop-filter: blur(14px);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.28);
}

.callout {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.card,
.link-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
}

.link-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.link-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
}

.label,
.tag {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent-main);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.74rem;
  font-weight: 700;
}

ul,
ol {
  padding-left: 20px;
}

li + li {
  margin-top: 8px;
}

.checklist {
  display: grid;
  gap: 12px;
}

.check-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px 18px;
}

.check-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.mini-note {
  font-size: 0.92rem;
}

footer {
  padding: 0 0 36px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.88rem;
}

@media (max-width: 720px) {
  .back-nav,
  .hero,
  .content,
  footer {
    width: min(1040px, calc(100% - 24px));
  }

  .hero {
    padding-top: 24px;
  }

  .section,
  .callout {
    padding: 22px;
  }
}