:root {
  --bg: #101a24;
  --ink: #e8f0f2;
  --muted: #8aa8b8;
  --teal: #35a7a0;
  --ember: #e28a4a;
  --ocean: #2878b5;
  --spine-w: clamp(11rem, 18vw, 15rem);
  --radius: 18px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}

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

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ember);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--ember);
  color: var(--bg);
  z-index: 100;
}

.skip:focus {
  left: 0;
}

/* Spine nav */
.spine {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--spine-w);
  padding: 1.5rem 1.25rem;
  border-right: 1px solid rgba(53, 167, 160, 0.25);
  background: linear-gradient(180deg, rgba(16, 26, 36, 0.98), rgba(16, 26, 36, 0.92));
  display: flex;
  flex-direction: column;
  gap: 2rem;
  z-index: 20;
}

.spine__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.spine__icon {
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.spine__name {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.spine__nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.92rem;
}

.spine__nav a {
  padding: 0.45rem 0.5rem;
  border-radius: 10px;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.spine__nav a:hover,
.spine__nav a:focus-visible {
  color: var(--ink);
  border-left-color: var(--ember);
  background: rgba(226, 138, 74, 0.08);
}

.spine__coord {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ocean);
  opacity: 0.85;
  line-height: 1.5;
}

.canvas {
  margin-left: var(--spine-w);
  min-width: 0;
}

/* Hero full bleed */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
}

.hero__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    115deg,
    rgba(16, 26, 36, 0.92) 0%,
    rgba(16, 26, 36, 0.55) 45%,
    rgba(40, 120, 181, 0.35) 100%
  );
}

.hero__copy {
  position: relative;
  padding: clamp(2rem, 6vw, 4.5rem);
  max-width: 42rem;
}

.hero__kicker {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--teal);
  margin: 0 0 0.75rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  font-weight: 700;
}

.hero h1 span {
  display: block;
  color: var(--ember);
  font-size: 0.55em;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}

.hero__tagline {
  margin: 0;
  font-size: 1.15rem;
  color: rgba(232, 240, 242, 0.9);
  max-width: 36ch;
}

/* Bands */
.band {
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1.5rem, 5vw, 4rem);
}

.intro {
  max-width: 34rem;
  margin-bottom: 2.5rem;
}

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

.intro--center {
  margin-inline: auto;
  text-align: center;
}

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

.intro h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

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

.intro__muted {
  font-size: 0.95rem;
}

/* Zigzag */
.zigzag {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.zigzag__visual img {
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(53, 167, 160, 0.2);
}

.zigzag__text h3 {
  margin: 0 0 0.65rem;
  color: var(--ember);
  font-size: 1.35rem;
}

.zigzag__text p {
  margin: 0;
  color: rgba(232, 240, 242, 0.88);
  font-size: 1.05rem;
}

.zigzag--flip .zigzag__visual {
  order: 2;
}

.zigzag--flip .zigzag__text {
  order: 1;
}

/* Mosaic screens */
.mosaic {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-template-rows: auto auto;
  gap: 1rem;
  max-width: 920px;
  margin: 0 auto;
}

.mosaic__lead {
  grid-row: span 2;
  margin: 0;
}

.mosaic__lead img,
.mosaic__cell img {
  border-radius: 22px;
  border: 1px solid rgba(53, 167, 160, 0.25);
  width: 100%;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.mosaic figcaption {
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--teal);
  text-align: center;
}

/* Legal two-column */
.band--legal {
  background: linear-gradient(180deg, transparent, rgba(40, 120, 181, 0.08));
  border-top: 1px solid rgba(53, 167, 160, 0.15);
}

.legal h3 {
  margin: 0 0 1.25rem;
  font-size: 1.4rem;
  color: var(--teal);
}

.legal__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  column-gap: clamp(2rem, 5vw, 3.5rem);
}

.legal__col p {
  margin: 0 0 1rem;
  color: rgba(232, 240, 242, 0.9);
}

.legal--support {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px dashed rgba(138, 168, 184, 0.35);
  max-width: 40rem;
}

.support__mailto {
  font-size: 1.1rem;
  font-weight: 600;
}

.legal__fine {
  font-size: 0.88rem;
  color: var(--muted);
}

.foot {
  padding: 2rem clamp(1.5rem, 5vw, 4rem) 3rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid rgba(53, 167, 160, 0.12);
}

/* Mobile: spine becomes horizontal strip */
@media (max-width: 820px) {
  .spine {
    position: sticky;
    top: 0;
    inset: 0;
    width: 100%;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-right: none;
    border-bottom: 1px solid rgba(53, 167, 160, 0.25);
  }

  .spine__nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.25rem 0.5rem;
    width: 100%;
    order: 3;
  }

  .spine__coord {
    display: none;
  }

  .canvas {
    margin-left: 0;
  }

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

  .zigzag--flip .zigzag__visual,
  .zigzag--flip .zigzag__text {
    order: unset;
  }

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

  .mosaic__lead {
    grid-row: auto;
  }

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

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