:root {
  --ink: #162018;
  --muted: #607064;
  --paper: #f7f4eb;
  --panel: #fffdf6;
  --line: #d8d0be;
  --accent: #9fbf84;
  --accent-dark: #49683f;
  --shadow: 0 24px 80px rgba(31, 45, 30, 0.13);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, rgba(159, 191, 132, 0.35), transparent 28rem),
    radial-gradient(circle at 88% 4%, rgba(243, 210, 102, 0.22), transparent 24rem),
    linear-gradient(135deg, #fbf8ef 0%, var(--paper) 48%, #edf2e4 100%);
  font-family: Georgia, "Times New Roman", serif;
}

.page {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding: 72px 0 96px;
}

.hero {
  max-width: 820px;
  padding: 28px 0 42px;
}

.eyebrow,
.tag {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(3rem, 8vw, 7.8rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.lead {
  max-width: 690px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.notice {
  margin: 8px 0 34px;
  padding: 18px 20px;
  border: 1px solid rgba(73, 104, 63, 0.25);
  border-left: 8px solid var(--accent);
  border-radius: 18px;
  background: rgba(255, 253, 246, 0.72);
  box-shadow: var(--shadow);
  line-height: 1.55;
}

.grid {
  display: grid;
  gap: 24px;
}

.card {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.8fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 253, 246, 0.84);
  box-shadow: var(--shadow);
}

.video-shell {
  min-height: 320px;
  background:
    linear-gradient(135deg, rgba(22, 32, 24, 0.85), rgba(73, 104, 63, 0.64)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 12px);
}

video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: contain;
}

.card-copy {
  padding: 32px;
  align-self: center;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(1.6rem, 3vw, 2.7rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.62;
}

code {
  padding: 0.08rem 0.28rem;
  border-radius: 0.38rem;
  background: #eee7d6;
  color: #31442d;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.checklist {
  margin-top: 34px;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 253, 246, 0.7);
}

.checklist ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  line-height: 1.8;
}

@media (max-width: 820px) {
  .page {
    width: min(100% - 24px, 1160px);
    padding-top: 42px;
  }

  .card {
    grid-template-columns: 1fr;
  }

  .card-copy {
    padding: 24px;
  }
}