:root {
  --bg-0: #f4f8ff;
  --bg-1: #e8f1ff;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: rgba(255, 255, 255, 0.93);
  --text: #0a1530;
  --muted: #3e5278;
  --line: #bdd0f8;
  --brand: #0066ff;
  --brand-soft: #25b8ff;
  --accent: #00c08b;
  --shadow: 0 24px 70px rgba(10, 31, 78, 0.16);
  --font-display: "Orbitron", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at 12% -7%, rgba(70, 180, 255, 0.33), transparent 40%),
    radial-gradient(circle at 95% 7%, rgba(64, 255, 210, 0.18), transparent 36%),
    linear-gradient(155deg, var(--bg-0), var(--bg-1));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(22, 55, 122, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 55, 122, 0.06) 1px, transparent 1px);
  background-size: 30px 30px;
  z-index: -1;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid #0f56e4;
  outline-offset: 3px;
}

.site-shell {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 1rem 0 2.4rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0.75rem;
  border-radius: 0.45rem;
  border: 1px solid var(--line);
  background: #fff;
  color: #152f62;
  text-decoration: none;
  padding: 0.5rem 0.7rem;
  font-size: 0.84rem;
}

.skip-link:focus {
  top: 0.75rem;
}

.topbar {
  position: sticky;
  top: 0.8rem;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: var(--panel);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  box-shadow: 0 15px 38px rgba(14, 36, 84, 0.16);
  padding: 0.58rem 0.72rem 0.58rem 0.9rem;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.04rem;
  text-decoration: none;
  min-width: 0;
}

.brand-top {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.95rem, 2vw, 1.28rem);
  letter-spacing: 0.08em;
  color: #0e2a67;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-sub {
  font-size: 0.73rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #3f5c93;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  text-decoration: none;
  color: #3d5480;
  padding: 0.5rem 0.82rem;
  border-radius: 999px;
  font-size: 0.93rem;
  font-weight: 600;
  transition: background-color 150ms ease, color 150ms ease;
}

.site-nav a:hover {
  background: rgba(0, 102, 255, 0.1);
  color: var(--brand);
}

.site-nav a.active {
  background: rgba(0, 102, 255, 0.14);
  color: var(--brand);
}

.nav-external {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #152f62;
  padding: 0.4rem 0.76rem;
  font-size: 0.86rem;
  font-family: var(--font-body);
}

main {
  margin-top: 1.15rem;
  display: grid;
  gap: 1.2rem;
}

.hero,
.panel,
.page-hero {
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  background: var(--panel);
}

.hero {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 1rem;
  overflow: hidden;
}

.hero-copy {
  padding: clamp(1.4rem, 3vw, 2.4rem);
}

.kicker {
  margin: 0 0 0.72rem;
  color: var(--brand);
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 3.6vw, 3rem);
}

h2 {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

h3 {
  font-size: 1.08rem;
}

p {
  color: var(--muted);
  line-height: 1.62;
}

.hero-copy p {
  margin: 1rem 0 0;
  max-width: 58ch;
}

.hero-actions {
  margin-top: 1.25rem;
  display: flex;
  gap: 0.62rem;
  flex-wrap: wrap;
}

.btn {
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.6rem 1rem;
  transition: transform 140ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(145deg, var(--brand), var(--brand-soft));
  box-shadow: 0 10px 24px rgba(0, 102, 255, 0.3);
}

.btn-secondary {
  color: #18315d;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.hero-art {
  position: relative;
  min-height: clamp(280px, 45vh, 430px);
  background:
    radial-gradient(circle at 66% 30%, rgba(59, 175, 255, 0.38), transparent 34%),
    radial-gradient(circle at 20% 74%, rgba(1, 194, 152, 0.28), transparent 42%),
    linear-gradient(165deg, rgba(14, 38, 89, 0.12), rgba(15, 112, 255, 0.05));
}

.hero-art::before,
.hero-art::after {
  content: "";
  position: absolute;
  border-radius: 1.2rem;
  border: 1px solid rgba(22, 123, 255, 0.25);
}

.hero-art::before {
  inset: 12% 10% 38% 16%;
  box-shadow: 0 0 0 2px rgba(41, 193, 255, 0.05), 0 18px 35px rgba(7, 28, 70, 0.2);
}

.hero-art::after {
  inset: 42% 18% 14% 10%;
  box-shadow: 0 0 0 2px rgba(0, 173, 137, 0.06), 0 16px 34px rgba(7, 28, 70, 0.18);
}

.panel,
.page-hero {
  padding: clamp(1.2rem, 2.8vw, 2rem);
}

.page-hero .lead {
  max-width: 65ch;
  margin-top: 0.9rem;
}

.section-heading {
  margin-bottom: 0.95rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem;
  background: var(--panel-strong);
}

.card p {
  margin: 0.55rem 0 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(0, 102, 255, 0.24);
  background: rgba(0, 102, 255, 0.11);
  color: var(--brand);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.52rem;
}

.text-link {
  text-decoration: none;
  color: var(--brand);
  font-weight: 700;
  margin-top: 0.72rem;
  display: inline-flex;
  align-items: center;
}

.text-link:hover {
  text-decoration: underline;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.2rem;
}

.feature-list {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
}

.feature-list li {
  margin: 0.5rem 0;
}

.app-hero {
  display: grid;
  gap: 0.85rem;
}

.app-meta {
  margin: 0;
  color: #4a618e;
  font-size: 0.87rem;
  letter-spacing: 0.01em;
}

.app-status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(0, 192, 139, 0.36);
  background: rgba(0, 192, 139, 0.14);
  color: #006b4f;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 0.19rem 0.54rem;
  text-transform: uppercase;
}

.app-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.app-section h2 {
  font-size: clamp(1.2rem, 2.2vw, 1.56rem);
  margin-bottom: 0.45rem;
}

.app-section p {
  margin: 0.65rem 0 0;
}

.article-pager {
  margin-top: 0.9rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.pager-link,
.pager-spacer {
  flex: 1 1 240px;
}

.pager-link {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.72);
  padding: 0.6rem 0.74rem;
}

.pager-link:hover {
  background: #fff;
}

.pager-label {
  display: block;
  font-size: 0.72rem;
  color: #4d638c;
}

.pager-title {
  display: block;
  margin-top: 0.15rem;
  color: var(--text);
  font-weight: 700;
  line-height: 1.35;
}

.pager-link.next {
  text-align: right;
}

.footer {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: end;
  justify-content: space-between;
  font-size: 0.9rem;
  color: #566b91;
  padding: 0.3rem 0.15rem;
}

.footer p {
  margin: 0;
}

.footer-meta {
  text-align: right;
  margin-left: auto;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    right: 0.7rem;
    top: calc(100% + 0.35rem);
    width: min(88vw, 320px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 1rem;
    box-shadow: 0 18px 30px rgba(18, 34, 70, 0.2);
    background: rgba(255, 255, 255, 0.98);
    padding: 0.45rem;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    border-radius: 0.65rem;
    padding: 0.62rem 0.72rem;
  }

  .brand-sub {
    font-size: 0.67rem;
  }

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

  .footer {
    align-items: start;
  }

  .footer-meta {
    margin-left: 0;
    text-align: left;
  }
}