:root {
  --background: #02050a;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-strong: rgba(255, 255, 255, 0.06);
  --border: rgba(143, 223, 255, 0.16);
  --border-light: rgba(255, 255, 255, 0.12);
  --text: #f5f8fb;
  --muted: #a7b2bd;
  --dim: #74818d;
  --blue: #8fdfff;
  --blue-strong: #4caeff;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(
      circle at 75% 0%,
      rgba(31, 119, 176, 0.13),
      transparent 34%
    ),
    var(--background);
  color: var(--text);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

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

img {
  max-width: 100%;
}

.page-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  width: 100%;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 0 max(24px, calc((100% - var(--max-width)) / 2));
  border-bottom: 1px solid var(--border-light);
  background: rgba(2, 5, 10, 0.84);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 38px);
}

.site-header nav a {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  transition: color 180ms ease;
}

.site-header nav a:hover,
.site-header nav a.active {
  color: var(--text);
}

main {
  width: min(calc(100% - 48px), var(--max-width));
  margin-inline: auto;
}

.hero {
  position: relative;
  display: grid;
  min-height: 78vh;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  align-items: center;
  gap: clamp(40px, 7vw, 100px);
  padding: 96px 0;
  border-bottom: 1px solid var(--border-light);
}

.hero-glow {
  position: absolute;
  top: 10%;
  right: 8%;
  width: 370px;
  height: 370px;
  border-radius: 50%;
  background: rgba(49, 155, 255, 0.11);
  filter: blur(90px);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.split-copy h2,
.agenda-panel h2,
.closing-section h2 {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 1.04;
}

.hero h1 {
  max-width: 13ch;
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 500;
}

.hero-description {
  max-width: 63ch;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.16rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
}

.primary-button {
  background: var(--blue);
  color: #02050a;
}

.secondary-button {
  border: 1px solid var(--border);
  color: var(--blue);
}

.hero-symbol {
  position: relative;
  display: grid;
  width: min(100%, 410px);
  aspect-ratio: 1;
  place-items: center;
  justify-self: end;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(143, 223, 255, 0.24);
  border-radius: 50%;
}

.orbit-one {
  inset: 0;
  border-style: dashed;
  animation: spin 26s linear infinite;
}

.orbit-two {
  inset: 15%;
  animation: spinReverse 18s linear infinite;
}

.orbit-three {
  inset: 29%;
  border-color: rgba(255, 255, 255, 0.16);
}

.symbol-core {
  position: relative;
  z-index: 2;
  display: grid;
  width: 43%;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(143, 223, 255, 0.42);
  border-radius: 50%;
  background:
    radial-gradient(
      circle,
      rgba(24, 79, 126, 0.34),
      rgba(3, 8, 15, 0.95) 70%
    );
  box-shadow:
    0 0 50px rgba(66, 169, 255, 0.2),
    inset 0 0 32px rgba(73, 167, 255, 0.12);
}

.symbol-core img {
  width: 62%;
  height: 62%;
  object-fit: contain;
}

.content-section,
.split-section,
.agenda-section,
.youth-section,
.did-you-know-section,
.quotes-section {
  padding: clamp(80px, 10vw, 140px) 0;
  border-bottom: 1px solid var(--border-light);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 50px;
}

.section-heading h2,
.split-copy h2,
.agenda-panel h2,
.closing-section h2 {
  font-size: clamp(2.3rem, 5vw, 4.8rem);
  font-weight: 500;
}

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

.reason-card,
.youth-grid article,
.quote-grid blockquote {
  position: relative;
  min-height: 310px;
  margin: 0;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
}

.card-number {
  position: absolute;
  top: 24px;
  right: 24px;
  color: var(--dim);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
}

.reason-card > i,
.youth-grid article > i {
  color: var(--blue);
  font-size: 1.5rem;
}

.reason-card h3,
.youth-grid h3 {
  margin: 62px 0 15px;
  font-size: 1.4rem;
}

.reason-card p,
.youth-grid p,
.split-copy p,
.agenda-panel p,
.definition-card p,
.closing-section p {
  color: var(--muted);
  line-height: 1.72;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: clamp(32px, 7vw, 90px);
  align-items: start;
}

.split-copy p,
.agenda-panel p {
  max-width: 68ch;
  font-size: 1.02rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  color: var(--blue);
  font-weight: 800;
}

.definition-card {
  padding: clamp(28px, 4vw, 46px);
  border: 1px solid var(--border);
  border-radius: 24px;
  background:
    linear-gradient(
      145deg,
      rgba(143, 223, 255, 0.09),
      transparent 55%
    ),
    var(--surface);
}

.definition-label {
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.18em;
}

.definition-card h3 {
  margin: 24px 0 14px;
  font-size: 2rem;
}

.definition-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.definition-list span {
  display: flex;
  min-height: 50px;
  align-items: center;
  gap: 14px;
  padding: 0 16px;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.definition-list i {
  width: 22px;
  color: var(--blue);
}

.agenda-section {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: clamp(34px, 7vw, 88px);
}

.agenda-statements {
  display: grid;
  gap: 14px;
}

.agenda-statements article {
  display: flex;
  min-height: 130px;
  align-items: center;
  gap: 22px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
}

.agenda-statements strong {
  color: var(--blue);
  font-size: 2.5rem;
}

.agenda-statements span {
  color: var(--muted);
  line-height: 1.45;
}

.youth-grid article {
  min-height: 280px;
}

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

.question-list details {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
}

.question-list summary {
  position: relative;
  padding: 24px 62px 24px 24px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 750;
  line-height: 1.5;
  list-style: none;
}

.question-list summary::-webkit-details-marker {
  display: none;
}

.question-list summary::after {
  position: absolute;
  top: 50%;
  right: 24px;
  color: var(--blue);
  content: "+";
  font-size: 1.5rem;
  transform: translateY(-50%);
}

.question-list details[open] summary::after {
  content: "−";
}

.question-list details p {
  margin: 0;
  padding: 0 24px 24px;
  color: var(--muted);
  line-height: 1.7;
}

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

.quote-grid blockquote {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: space-between;
}

.quote-grid blockquote p {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.quote-grid footer {
  margin-top: 30px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.closing-section {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
  padding: clamp(80px, 10vw, 130px) 0;
}

.closing-section > div {
  max-width: 760px;
}

.site-footer {
  display: flex;
  width: min(calc(100% - 48px), var(--max-width));
  min-height: 110px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-inline: auto;
  color: var(--dim);
  font-size: 0.74rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.footer-brand img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes spinReverse {
  to {
    transform: rotate(-360deg);
  }
}

@media (max-width: 920px) {
  .hero,
  .split-section,
  .agenda-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-symbol {
    justify-self: center;
  }

  .reason-grid,
  .youth-grid {
    grid-template-columns: 1fr;
  }

  .reason-card,
  .youth-grid article {
    min-height: 0;
  }

  .closing-section {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 70px;
    padding-inline: 16px;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .site-header nav {
    gap: 14px;
  }

  .site-header nav a {
    font-size: 0.72rem;
  }

  .site-header nav a:nth-child(2),
  .site-header nav a:nth-child(3) {
    display: none;
  }

  main,
  .site-footer {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .hero {
    padding: 68px 0 80px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.8rem, 14vw, 4.5rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .hero-symbol {
    width: min(100%, 310px);
  }

  .content-section,
  .split-section,
  .agenda-section,
  .youth-section,
  .did-you-know-section,
  .quotes-section {
    padding: 78px 0;
  }

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

  .quote-grid blockquote {
    min-height: 230px;
    padding: 23px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 28px 0;
  }

  .site-footer p {
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}