:root {
  --bg: #0a1321;
  --bg-soft: #131f32;
  --panel: rgba(13, 24, 39, 0.9);
  --line: rgba(130, 166, 199, 0.28);
  --text: #e7f2ff;
  --muted: #9fbad6;
  --cyan: #3abde4;
  --gold: #f0b25d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  font-family: "IBM Plex Sans SC", sans-serif;
  background:
    radial-gradient(1100px 620px at -10% -5%, #284870 0%, transparent 60%),
    radial-gradient(850px 540px at 110% 0%, #3e2f4f 0%, transparent 58%),
    linear-gradient(165deg, var(--bg), #111e31 52%, #0d1b2d);
}

.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image: linear-gradient(rgba(131, 171, 205, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(131, 171, 205, 0.09) 1px, transparent 1px);
  background-size: 26px 26px;
}

.hero {
  position: relative;
  z-index: 1;
  padding: 34px 20px 22px;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(13, 35, 56, 0.85);
  color: #b8d5ec;
  font-size: 0.78rem;
}

h1 {
  margin: 14px 0 10px;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.4rem, 2.4vw, 2.4rem);
  line-height: 1.35;
}

.hero p {
  margin: 0 auto;
  max-width: 920px;
  color: var(--muted);
}

.hero__actions {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  color: #0e1a2b;
  background: linear-gradient(135deg, var(--cyan), #9de4f2);
  border-radius: 10px;
  padding: 8px 14px;
  font-weight: 700;
  font-size: 0.86rem;
}

.btn--line {
  background: rgba(10, 27, 45, 0.9);
  color: #c0def2;
  border: 1px solid var(--line);
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto 24px;
  padding: 0 14px 20px;
  display: grid;
  gap: 12px;
}

.grid { display: grid; gap: 12px; }
.grid--3 { grid-template-columns: repeat(3, minmax(220px, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(280px, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.32);
}

h2 {
  margin: 0 0 10px;
  font-family: "Noto Serif SC", serif;
  font-size: 1.04rem;
}

h3 {
  margin: 0 0 4px;
  font-size: 0.88rem;
  color: #b9d5e9;
}

.stat span {
  color: var(--muted);
  font-size: 0.75rem;
}

.stat strong {
  display: block;
  font-size: 1.05rem;
  margin: 4px 0;
}

.stat p,
.layout-draft p,
.card p,
.list li {
  margin: 0;
  color: #c8deef;
  font-size: 0.83rem;
  line-height: 1.55;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 8px;
}

.step {
  border: 1px solid rgba(149, 186, 214, 0.3);
  border-radius: 10px;
  background: rgba(10, 23, 37, 0.95);
  padding: 8px;
}

.step b {
  display: inline-block;
  margin-bottom: 4px;
  color: var(--gold);
  font-size: 0.76rem;
}

.prompt {
  margin: 0;
  padding: 10px;
  max-height: 220px;
  overflow: auto;
  white-space: pre-wrap;
  border-radius: 10px;
  border: 1px solid rgba(149, 186, 214, 0.28);
  background: rgba(6, 15, 25, 0.95);
  font-size: 0.79rem;
  line-height: 1.55;
  color: #c9e6f8;
}

.list { margin: 0; padding-left: 18px; display: grid; gap: 6px; }
.list--num { padding-left: 22px; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.tags span {
  border-radius: 999px;
  border: 1px solid rgba(149, 186, 214, 0.34);
  font-size: 0.74rem;
  padding: 4px 8px;
  color: #b4d4ea;
}

.layout-draft {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 8px;
}

.layout-draft > div {
  border: 1px solid rgba(149, 186, 214, 0.28);
  border-radius: 10px;
  padding: 8px;
  background: rgba(9, 22, 35, 0.9);
}

.quote {
  border-left: 3px solid var(--cyan);
  padding-left: 8px;
}

.check-grid {
  margin-top: 10px;
  display: grid;
  gap: 6px;
  font-size: 0.81rem;
  color: #b8d6ec;
}

input[type="checkbox"] {
  accent-color: #32bfd4;
}

@media (max-width: 980px) {
  .grid--3,
  .grid--2,
  .layout-draft,
  .timeline { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid--3,
  .grid--2,
  .layout-draft,
  .timeline { grid-template-columns: 1fr; }
}