:root {
  --bg: #0b1020;
  --bg-soft: rgba(16, 25, 52, 0.76);
  --panel: rgba(13, 20, 40, 0.82);
  --panel-strong: rgba(20, 31, 61, 0.92);
  --text: #ebf2ff;
  --muted: #98a9cf;
  --accent: #7cf0ff;
  --accent-2: #9d7bff;
  --accent-3: #ffd37c;
  --border: rgba(166, 189, 255, 0.18);
  --shadow: 0 24px 70px rgba(5, 10, 25, 0.42);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(124, 240, 255, 0.18), transparent 32%),
    radial-gradient(circle at 80% 0%, rgba(157, 123, 255, 0.18), transparent 24%),
    radial-gradient(circle at bottom right, rgba(255, 211, 124, 0.12), transparent 28%),
    linear-gradient(180deg, #07101f 0%, #0e1428 50%, #090d1a 100%);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 82%);
}

a { color: inherit; }

.page-shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.hero-card,
.section-card,
.project-card,
.info-card,
.scenario-panel {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: clamp(28px, 6vw, 54px);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.hero-card::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  right: -80px;
  top: -80px;
  background: radial-gradient(circle, rgba(124, 240, 255, 0.22), transparent 72%);
}
.hero-card--project { margin-top: 16px; }

h1, h2, h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  letter-spacing: -0.03em;
  margin: 0;
}

h1 {
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  line-height: 0.94;
  max-width: 10ch;
  margin-top: 8px;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.05;
}

h3 {
  font-size: 1.2rem;
  line-height: 1.15;
}

.lede {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: 1.08rem;
  line-height: 1.75;
  color: #d8e4ff;
}

.eyebrow,
.label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0 0 10px;
}

.label { color: var(--accent-3); }

.hero-grid,
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.hero-grid article,
.section-card,
.project-card,
.info-card,
.scenario-panel {
  border-radius: var(--radius-lg);
}

.hero-grid article {
  padding: 22px;
  background: rgba(6, 13, 30, 0.46);
  border: 1px solid rgba(160, 180, 255, 0.12);
}

.section-card {
  padding: 28px;
  margin-top: 22px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 20px;
}
.section-heading p:last-child {
  max-width: 44ch;
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}

.card-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.info-card,
.project-card {
  padding: 22px;
}

.info-card p,
.project-card p,
.hero-grid p,
.section-card p,
.workflow-list li,
.bullet-list li {
  color: #d5def4;
  line-height: 1.72;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: linear-gradient(180deg, rgba(12, 18, 38, 0.92), rgba(18, 27, 51, 0.92));
}

.card-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: var(--muted);
}

.card-meta a,
.inline-link,
.top-link {
  color: var(--accent);
  text-decoration: none;
}

.cta-button,
.scenario-tab,
.score-pill,
.metric-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(124, 240, 255, 0.24);
}

.cta-button {
  margin-top: 8px;
  padding: 12px 18px;
  width: fit-content;
  text-decoration: none;
  background: linear-gradient(135deg, rgba(124,240,255,0.18), rgba(157,123,255,0.18));
}

.score-pill,
.metric-pill {
  width: fit-content;
  padding: 10px 14px;
  background: rgba(124, 240, 255, 0.08);
  color: var(--accent);
  margin-top: 18px;
}

.metric-pill { color: var(--accent-3); border-color: rgba(255, 211, 124, 0.26); background: rgba(255, 211, 124, 0.08); }

.creative-edge {
  margin-top: 16px;
  padding-left: 16px;
  border-left: 2px solid rgba(157, 123, 255, 0.55);
  color: #efe6ff;
}

.bullet-list,
.workflow-list {
  margin: 12px 0 0;
  padding-left: 18px;
}

.scenario-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
}

.scenario-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.scenario-tab {
  padding: 14px 16px;
  font: inherit;
  cursor: pointer;
  color: var(--text);
  background: rgba(11, 19, 39, 0.82);
}

.scenario-tab[aria-pressed="true"] {
  background: linear-gradient(135deg, rgba(124,240,255,0.18), rgba(157,123,255,0.22));
  border-color: rgba(157, 123, 255, 0.4);
}

.scenario-panel {
  padding: 24px;
  min-height: 100%;
}

.scenario-hook {
  font-size: 1.06rem;
}

.top-link {
  display: inline-block;
  margin-bottom: 18px;
}

@media (max-width: 860px) {
  .hero-grid,
  .content-grid,
  .card-grid,
  .project-grid,
  .scenario-shell {
    grid-template-columns: 1fr;
  }
  .section-heading,
  .card-meta {
    flex-direction: column;
    align-items: flex-start;
  }
  h1 { max-width: none; }
}