:root {
  --bg: #0b1628;
  --accent: #1769e0;
  --accent2: #28b8d8;
  --text: #eaf2f8;
  --muted: #8293a8;
  --panel: rgba(23, 105, 224, 0.08);
  --spine-w: 11rem;
  font-family: "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

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

body {
  margin: 0;
  min-height: 100vh;
}

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

a {
  color: var(--accent2);
}

.layout-spine {
  display: block;
}

.layout-spine .canvas {
  margin-left: var(--spine-w);
}

.spine {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--spine-w);
  z-index: 5;
  overflow-y: auto;
  min-height: 100vh;
  padding: 1.75rem 1.25rem 2rem;
  border-right: 1px solid rgba(130, 147, 168, 0.25);
  background: linear-gradient(180deg, #0d1a30 0%, var(--bg) 40%);
}

.spine-mark {
  display: block;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
  margin-bottom: 2rem;
}

.spine-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.spine-steps a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.spine-steps a:hover {
  color: var(--accent2);
}

.spine-note {
  margin-top: 2.5rem;
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.canvas {
  min-width: 0;
  padding-bottom: 5rem;
}

.hero--bleed {
  position: relative;
  min-height: clamp(22rem, 62vh, 36rem);
  display: flex;
  align-items: flex-end;
}

.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) brightness(0.85);
}

.hero-overlay {
  position: relative;
  z-index: 1;
  padding: clamp(1.5rem, 4vw, 3rem);
  max-width: 42rem;
  background: linear-gradient(135deg, rgba(11, 22, 40, 0.92), rgba(11, 22, 40, 0.55));
  border-top: 3px solid var(--accent);
  margin: 0 clamp(1rem, 3vw, 2.5rem) clamp(1rem, 3vw, 2rem);
  border-radius: 0 1rem 1rem 0;
}

.hero-kicker {
  margin: 0 0 0.25rem;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent2);
}

.hero-title {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
}

.hero-tagline {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-cta {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  background: var(--accent);
  color: var(--text);
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

.band {
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 3rem);
}

.band-inner {
  max-width: 40rem;
}

.band--intro.band--align-right .band-inner {
  margin-left: auto;
  text-align: right;
}

.band--intro.band--align-left .band-inner {
  margin-right: auto;
  text-align: left;
}

.band h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.lede,
.section-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.zigzag {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.zigzag-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 1.75rem;
  align-items: center;
}

.zigzag-row--flip {
  direction: rtl;
}

.zigzag-row--flip > * {
  direction: ltr;
}

.zigzag-visual {
  margin: 0;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(40, 184, 216, 0.25);
  box-shadow: 0 1.5rem 3rem rgba(0, 0, 0, 0.35);
}

.zigzag-copy h3 {
  margin: 0 0 0.5rem;
  color: var(--accent2);
}

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

.mosaic {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
  margin-top: 1.5rem;
}

.mosaic-cell--hero-shot {
  grid-row: span 2;
}

.mosaic-cell {
  margin: 0;
  background: var(--panel);
  border-radius: 1rem;
  padding: 0.5rem;
  border: 1px solid rgba(130, 147, 168, 0.2);
}

.mosaic-cell img {
  border-radius: 0.65rem;
  width: 100%;
}

.mosaic-cell figcaption {
  padding: 0.5rem 0.35rem 0.15rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.accordion {
  max-width: 44rem;
  margin: 1.5rem auto 0;
}

.accordion-item + .accordion-item {
  margin-top: 0.75rem;
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  padding: 1rem 1.15rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  background: var(--panel);
  border: 1px solid rgba(130, 147, 168, 0.35);
  border-radius: 0.75rem;
  cursor: pointer;
}

.accordion-trigger[aria-expanded="true"] {
  border-color: var(--accent2);
  background: rgba(40, 184, 216, 0.12);
}

.accordion-panel {
  padding: 1rem 1.15rem 1.25rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.accordion-panel p {
  margin: 0 0 0.85rem;
}

.accordion-panel p:last-child {
  margin-bottom: 0;
}

.site-foot {
  padding: 2rem clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid rgba(130, 147, 168, 0.2);
  font-size: 0.85rem;
  color: var(--muted);
}

.dock {
  display: none;
}

@media (max-width: 900px) {
  .layout-spine .canvas {
    margin-left: 0;
  }

  .spine {
    display: none;
  }

  .dock {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    justify-content: space-around;
    gap: 0.25rem;
    padding: 0.65rem 0.5rem calc(0.65rem + env(safe-area-inset-bottom));
    background: rgba(11, 22, 40, 0.96);
    border-top: 1px solid rgba(130, 147, 168, 0.35);
    backdrop-filter: blur(8px);
    z-index: 20;
  }

  .dock a {
    font-size: 0.72rem;
    color: var(--muted);
    text-decoration: none;
    text-align: center;
    flex: 1;
  }

  .zigzag-row,
  .zigzag-row--flip {
    grid-template-columns: 1fr;
    direction: ltr;
  }

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

  .mosaic-cell--hero-shot {
    grid-row: auto;
  }

  .band--intro.band--align-right .band-inner {
    text-align: left;
    margin-left: 0;
  }
}