:root {
  --bg1: #08131f;
  --bg2: #112a45;
  --card: rgba(15, 37, 61, 0.94);
  --line: rgba(91, 145, 194, 0.36);
  --text: #eff7ff;
  --muted: #bfd4ea;
  --brand: #69b5ff;
  --brand2: #89ead3;
  --shadow: 0 24px 68px rgba(4, 14, 28, 0.34);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 8% -8%, rgba(42, 109, 183, 0.48) 0, transparent 34%),
    radial-gradient(circle at 100% 0%, rgba(10, 79, 148, 0.38) 0, transparent 30%),
    linear-gradient(160deg, var(--bg1), var(--bg2));
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI Variable", "Segoe UI", sans-serif;
  padding: 24px;
}

.page {
  width: min(980px, 100%);
  margin: 0 auto;
}

.hero,
.content,
.nav-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(17, 50, 86, 0.96), rgba(15, 41, 73, 0.98));
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px 28px 22px;
  margin-bottom: 18px;
}

.eyebrow {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(97, 155, 207, 0.42);
  background: rgba(13, 45, 76, 0.56);
  color: #d7ecff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}

h1 {
  margin: 14px 0 10px;
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
  max-width: 760px;
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  border-radius: 14px;
  padding: 12px 15px;
  font-weight: 800;
  border: 1px solid transparent;
}

.btn-primary {
  color: #08203a;
  background: linear-gradient(180deg, #8bc5ff, var(--brand));
}

.btn-secondary {
  color: #d7ebff;
  border-color: rgba(97, 155, 207, 0.42);
  background: rgba(12, 44, 77, 0.52);
}

.nav-card {
  padding: 16px 18px;
  margin-bottom: 16px;
}

.nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.nav-link {
  display: block;
  padding: 12px 13px;
  border-radius: 16px;
  border: 1px solid rgba(87, 137, 187, 0.34);
  background: rgba(10, 35, 60, 0.5);
  color: #def0ff;
  text-decoration: none;
  font-weight: 700;
}

.content {
  padding: 26px 28px;
}

.content h2 {
  margin: 28px 0 10px;
  font-size: 26px;
  line-height: 1.2;
}

.content h2:first-child {
  margin-top: 0;
}

.content p,
.content li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.content ul,
.content ol {
  margin: 14px 0;
  padding-left: 22px;
}

.content strong {
  color: var(--text);
}

.content-intro {
  margin-bottom: 20px;
}

.content-intro p:first-child {
  margin-top: 0;
}

.meta-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.meta-list li {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(87, 137, 187, 0.26);
  background: rgba(9, 33, 56, 0.42);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 20px 0 30px;
}

.inline-figure {
  margin: 18px 0 24px;
}

.inline-figure img {
  display: block;
  width: min(100%, 760px);
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(100, 152, 201, 0.34);
  background: rgba(6, 22, 37, 0.74);
}

.inline-figure figcaption {
  margin-top: 8px;
  color: #aecdde;
  font-size: 14px;
  line-height: 1.5;
}

.gallery figure,
.slide-card figure {
  margin: 0;
}

.gallery img,
.slide-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(100, 152, 201, 0.34);
  background: rgba(6, 22, 37, 0.74);
}

.gallery figcaption,
.slide-card figcaption {
  margin-top: 8px;
  color: #aecdde;
  font-size: 14px;
  line-height: 1.5;
}

.section-lead {
  margin: 0 0 16px;
  color: #d7ebff;
  font-size: 18px;
  line-height: 1.65;
}

.slide-list {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.slide-card {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(87, 137, 187, 0.32);
  background: rgba(9, 33, 56, 0.48);
}

.slide-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.25;
}

.slide-card p {
  margin: 0 0 12px;
}

.slide-card p:last-child {
  margin-bottom: 0;
}

.slide-points {
  margin: 0 0 14px;
  padding-left: 18px;
}

.slide-points li {
  margin-bottom: 8px;
}

.commentary {
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px dashed rgba(116, 179, 235, 0.4);
  background: rgba(8, 33, 56, 0.54);
}

.commentary strong {
  display: block;
  margin-bottom: 6px;
}

.note {
  margin: 18px 0;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px dashed rgba(116, 179, 235, 0.4);
  background: rgba(8, 33, 56, 0.54);
  color: #d8ebff;
}

.article-footer {
  margin-top: 22px;
  color: #b4cee6;
  font-size: 14px;
}

@media (max-width: 720px) {
  body { padding: 12px; }
  .hero, .content, .nav-card { padding-left: 16px; padding-right: 16px; border-radius: 18px; }
  .btn { width: 100%; }
  .content p, .content li, .lead { font-size: 16px; }
}