*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #020617 0, #020617 40%, #020617);
  color: #0f172a;
}

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

a {
  color: inherit;
}

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.shell-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid rgba(148, 163, 184, 0.4);
}

.shell-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-mark__dot {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: conic-gradient(from 160deg, #22c55e, #0ea5e9, #f97316, #22c55e);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.7);
}

.brand-mark__text {
  font-size: 0.92rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #e5e7eb;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.86rem;
}

.top-nav__link {
  position: relative;
  color: #9ca3af;
  text-decoration: none;
  padding: 6px 0;
}

.top-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #38bdf8, #22c55e);
  transition: width 0.18s ease;
}

.top-nav__link:hover {
  color: #f9fafb;
}

.top-nav__link:hover::after {
  width: 100%;
}

.shell-main {
  flex: 1 0 auto;
}

.strip {
  padding: 40px 0;
}

.strip--hero {
  background: radial-gradient(circle at top, #020617 0, #020617 40%, #020617);
}

.strip--alt {
  background: #020617;
  border-top: 1px solid rgba(31, 41, 55, 0.9);
}

.strip__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.strip__inner--hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr);
  gap: 32px;
  align-items: center;
}

.hero-block {
  color: #e5e7eb;
  display: grid;
  gap: 14px;
}

.hero-block__eyebrow {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #93c5fd;
}

.hero-block__title {
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  line-height: 1.35;
}

.hero-block__lead {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.9;
  color: #cbd5f5;
}

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

.pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease,
    box-shadow 0.16s ease, transform 0.16s ease, border-color 0.16s ease;
}

.pill-btn--primary {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: #020617;
  box-shadow: 0 14px 38px rgba(56, 189, 248, 0.35);
}

.pill-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 46px rgba(56, 189, 248, 0.45);
}

.pill-btn--ghost {
  background: transparent;
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.7);
}

.pill-btn--ghost:hover {
  background: rgba(15, 23, 42, 0.9);
}

.hero-panel {
  border-radius: 20px;
  background: radial-gradient(circle at top, #1d4ed8 0, #020617 55%);
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: 0 22px 60px rgba(15, 23, 42, 0.9);
  padding: 16px 16px 18px;
}

.hero-panel__image {
  border-radius: 14px;
  border: 1px solid rgba(129, 140, 248, 0.9);
}

.hero-panel__caption {
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: #e5e7eb;
  line-height: 1.6;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 24px;
  text-align: left;
  color: #e5e7eb;
}

.section-head__title {
  margin: 0 0 6px;
  font-size: 1.4rem;
}

.section-head__subtitle {
  margin: 0;
  font-size: 0.94rem;
  color: #cbd5f5;
  line-height: 1.8;
}

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

.panel-card {
  padding: 14px 14px 16px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(55, 65, 81, 0.9);
}

.panel-card__title {
  margin: 0 0 6px;
  font-size: 1rem;
  color: #e5e7eb;
}

.panel-card__text {
  margin: 0;
  font-size: 0.88rem;
  color: #cbd5f5;
  line-height: 1.8;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.link-card {
  padding: 14px 14px 16px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(55, 65, 81, 0.9);
}

.link-card__title {
  margin: 0 0 6px;
  font-size: 0.98rem;
}

.link-card__title a {
  text-decoration: none;
  color: #e5e7eb;
}

.link-card__title a:hover {
  color: #38bdf8;
}

.link-card__text {
  margin: 0;
  font-size: 0.86rem;
  color: #cbd5f5;
  line-height: 1.8;
}

.page-main {
  flex: 1 0 auto;
}

.page-main__hero {
  padding: 48px 0 26px;
  border-bottom: 1px solid rgba(31, 41, 55, 0.9);
  background: #020617;
}

.page-main__hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-main__title {
  margin: 0 0 6px;
  font-size: 1.5rem;
  color: #e5e7eb;
}

.page-main__subtitle {
  margin: 0;
  font-size: 0.94rem;
  color: #cbd5f5;
  line-height: 1.8;
  max-width: 760px;
}

.page-main__body {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

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

.card-list {
  display: grid;
  gap: 12px;
}

.card {
  padding: 14px 14px 16px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(55, 65, 81, 0.9);
}

.card__title {
  margin: 0 0 4px;
  font-size: 0.98rem;
  color: #e5e7eb;
}

.card__title a {
  text-decoration: none;
  color: inherit;
}

.card__title a:hover {
  color: #38bdf8;
}

.card__text {
  margin: 0;
  font-size: 0.86rem;
  color: #cbd5f5;
  line-height: 1.8;
}

.article {
  max-width: 780px;
}

.article__image {
  border-radius: 14px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  margin-bottom: 14px;
}

.article__paragraph {
  margin: 0 0 12px;
  font-size: 0.94rem;
  color: #cbd5f5;
  line-height: 1.9;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 20px;
}

.two-col__block {
  font-size: 0.94rem;
  color: #cbd5f5;
  line-height: 1.9;
}

.note {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(59, 130, 246, 0.9);
  font-size: 0.84rem;
  color: #bfdbfe;
}

.shell-footer {
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  background: #020617;
}

.shell-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px 18px;
}

.shell-footer__line {
  margin: 0;
  font-size: 0.8rem;
  color: #9ca3af;
}

.shell-footer__line + .shell-footer__line {
  margin-top: 4px;
}

.shell-footer__line--muted {
  color: #6b7280;
}

@media (max-width: 900px) {
  .strip__inner--hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel {
    order: -1;
  }

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

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

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

  .two-col {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .shell-header__inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .top-nav {
    justify-content: center;
  }

  .strip--hero {
    padding-top: 34px;
  }

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

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

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