:root {
  --primary: #0a61d1;
  --light: #6bb8fa;
  --cyan: #33c7eb;
  --accent: #e83842;
  --text: #121f3d;
  --muted: #526694;
  --surface: #f5f9ff;
  --white: #ffffff;
  --rail-w: 5.5rem;
  --max: 68rem;
  font-family: "SF Pro Text", system-ui, -apple-system, Segoe UI, sans-serif;
}

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

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  line-height: 1.55;
}

a {
  color: var(--primary);
}

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

.rail {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail-w);
  padding: 1.25rem 0.75rem;
  background: linear-gradient(180deg, #041e44, var(--primary));
  color: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  z-index: 20;
}

.rail__brand {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: inherit;
  font-size: 0.85rem;
}

.rail__nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.rail__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  padding: 0.35rem;
  border-radius: 0.5rem;
}

.rail__link.is-active,
.rail__link:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
}

.rail__icon {
  font-size: 0.75rem;
}

.rail__note {
  margin-top: auto;
  font-size: 0.55rem;
  opacity: 0.55;
  text-align: center;
  line-height: 1.3;
}

.main {
  margin-left: var(--rail-w);
  flex: 1;
  width: calc(100% - var(--rail-w));
}

.hero {
  position: relative;
  min-height: 72vh;
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(4, 30, 68, 0.55), rgba(10, 97, 209, 0.35)),
    url("assets/hero-pool.jpg") center / cover no-repeat;
}

.hero__content {
  position: relative;
  padding: 3rem clamp(1.25rem, 4vw, 3rem) 3.5rem;
  max-width: var(--max);
  color: var(--white);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  opacity: 0.85;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.08;
  margin: 0.35rem 0 0.75rem;
  max-width: 14ch;
}

.lede {
  max-width: 36rem;
  font-size: 1.05rem;
  opacity: 0.92;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: var(--white);
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
}

.band {
  padding: 4rem clamp(1.25rem, 4vw, 3rem);
}

.band__intro {
  max-width: var(--max);
  margin: 0 auto 2.5rem;
}

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

.band__intro h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.band__intro p {
  margin: 0;
  color: var(--muted);
  max-width: 32rem;
  margin-left: auto;
}

.zigzag {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.zigzag__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.zigzag__row--flip .zigzag__media {
  order: 2;
}

.zigzag__media img {
  width: 100%;
  border-radius: 1rem;
  display: block;
  box-shadow: 0 18px 40px rgba(10, 97, 209, 0.15);
}

.zigzag__media--deck {
  background: var(--surface);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid rgba(107, 184, 250, 0.45);
}

.deck-card {
  background: linear-gradient(135deg, var(--primary), var(--light));
  color: var(--white);
  border-radius: 1rem;
  padding: 1.75rem;
  text-align: center;
}

.deck-card__label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
}

.deck-card__time {
  display: block;
  font-size: 2.75rem;
  font-weight: 800;
  margin: 0.35rem 0;
}

.deck-card__sub {
  font-size: 0.9rem;
  opacity: 0.9;
}

.zigzag__copy h3 {
  margin: 0 0 0.65rem;
  font-size: 1.35rem;
}

.zigzag__copy p {
  margin: 0;
  color: var(--muted);
}

.mosaic {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}

.mosaic__large {
  grid-row: span 2;
  background: linear-gradient(160deg, var(--surface), var(--white));
  border: 1px solid rgba(51, 199, 235, 0.35);
  border-radius: 1rem;
  padding: 2rem;
}

.mosaic__small {
  background: var(--surface);
  border-radius: 1rem;
  padding: 1.25rem;
  border: 1px solid rgba(10, 97, 209, 0.12);
}

.mosaic h3,
.mosaic h4 {
  margin: 0 0 0.5rem;
}

.mosaic p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.legal {
  background: #041e44;
  color: rgba(255, 255, 255, 0.88);
  padding: 3rem clamp(1.25rem, 4vw, 3rem) 4rem;
}

.legal__tabs {
  display: flex;
  gap: 0.5rem;
  max-width: var(--max);
  margin: 0 auto 1.5rem;
}

.legal__tab {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: inherit;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
}

.legal__tab.is-active {
  background: var(--cyan);
  color: #041e44;
  border-color: var(--cyan);
}

.legal__panels {
  max-width: var(--max);
  margin: 0 auto;
}

.legal__panel h2 {
  margin-top: 0;
}

.legal__panel a {
  color: var(--light);
}

@media (max-width: 860px) {
  .rail__link span:last-child {
    display: none;
  }

  .zigzag__row,
  .zigzag__row--flip {
    grid-template-columns: 1fr;
  }

  .zigzag__row--flip .zigzag__media {
    order: 0;
  }

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

  .mosaic__large {
    grid-row: auto;
  }

  .band__intro--right {
    text-align: left;
  }

  .band__intro p {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  :root {
    --rail-w: 3.25rem;
  }

  .rail__brand {
    display: none;
  }
}