:root {
  --bg: #f5efe3;
  --panel: rgba(255, 252, 246, 0.72);
  --text: #1d2430;
  --muted: #57606d;
  --accent: #d55d32;
  --accent-dark: #a5401d;
  --stroke: rgba(29, 36, 48, 0.12);
  --shadow: 0 28px 80px rgba(64, 41, 26, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(213, 93, 50, 0.18), transparent 28%),
    radial-gradient(circle at right 20%, rgba(23, 125, 111, 0.14), transparent 24%),
    linear-gradient(180deg, #fbf6ed 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(29, 36, 48, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 36, 48, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 85%);
}

.page-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.hero,
.feature-band,
.info-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--stroke);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 72px clamp(24px, 5vw, 64px);
  border-radius: 28px;
}

.hero::after,
.feature-band::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(213, 93, 50, 0.12);
  filter: blur(18px);
}

.eyebrow,
.section-label {
  margin: 0 0 16px;
  font-family: "Courier New", monospace;
  font-size: 0.84rem;
  letter-spacing: 0.18em;
  color: var(--accent-dark);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 20px;
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: 0.93;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.04;
}

.hero-copy,
.feature-copy,
.card p,
.checklist {
  max-width: 58ch;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff7f2;
  background: var(--accent);
}

.button-primary:hover {
  background: var(--accent-dark);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.5);
}

.grid-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.card,
.feature-band,
.info-panel {
  border-radius: 24px;
}

.card {
  padding: 28px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow);
}

.card-index {
  display: inline-block;
  margin-bottom: 28px;
  font-family: "Courier New", monospace;
  font-size: 0.82rem;
  color: var(--accent-dark);
}

.feature-band {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
  margin-top: 22px;
  padding: 38px clamp(24px, 4vw, 44px);
}

.info-panel {
  margin-top: 22px;
  padding: 38px clamp(24px, 4vw, 44px);
}

.checklist {
  margin: 0;
  padding-left: 20px;
}

.checklist li + li {
  margin-top: 10px;
}

@media (max-width: 860px) {
  .page-shell {
    width: min(100% - 24px, 1120px);
    padding: 20px 0 40px;
  }

  .hero {
    padding: 40px 20px;
    border-radius: 22px;
  }

  .grid-section,
  .feature-band {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.6rem, 16vw, 4.2rem);
  }

  .card,
  .feature-band,
  .info-panel {
    border-radius: 20px;
  }
}
