:root {
  --bg: #0a0d12;
  --panel: #171c24;
  --accent: #87cffb;
  --accent2: #59a6eb;
  --text: #c7d1e0;
  --muted: #858f9e;
  --spine-w: 11rem;
  --radius: 14px;
  --font: "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.layout {
  display: grid;
  grid-template-columns: var(--spine-w) 1fr;
  min-height: 100vh;
}

.spine {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 2rem 1.25rem;
  border-right: 1px solid rgba(135, 207, 251, 0.12);
  background: linear-gradient(180deg, #0d1118 0%, var(--bg) 100%);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.spine-brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.spine nav {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.spine nav a {
  color: var(--muted);
  font-size: 0.92rem;
  padding: 0.35rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: color 0.2s, border-color 0.2s;
}

.spine nav a:hover,
.spine nav a:focus-visible {
  color: var(--text);
  border-left-color: var(--accent);
  text-decoration: none;
}

.spine-foot {
  margin-top: auto;
  font-size: 0.75rem;
  color: var(--muted);
}

.main {
  padding: 0 2.5rem 4rem;
  max-width: 1100px;
}

.section-intro {
  text-align: right;
  max-width: 28rem;
  margin-left: auto;
  margin-bottom: 1.75rem;
}

.section-intro h2 {
  margin: 0 0 0.35rem;
  font-size: 1.65rem;
  color: var(--text);
}

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

.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3.5rem 0 4rem;
  min-height: 72vh;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.hero-copy .line2 {
  display: block;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero-copy .tagline {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 32ch;
  margin: 0 0 1.5rem;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(135, 207, 251, 0.15);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 12% -8% -12% 8%;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(89, 166, 235, 0.25), transparent);
  z-index: -1;
}

.cork-board {
  background: linear-gradient(145deg, #3d3228 0%, #2a231c 100%);
  border-radius: var(--radius);
  padding: 2rem 1.75rem 2.5rem;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.cork-board::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0.35;
  background-image: radial-gradient(circle at 20% 30%, rgba(0, 0, 0, 0.15) 1px, transparent 1px);
  background-size: 8px 8px;
  pointer-events: none;
}

.notes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  position: relative;
  z-index: 1;
}

.note {
  background: #f4e9c8;
  color: #2a2618;
  padding: 1.1rem 1rem 1.25rem;
  border-radius: 4px;
  box-shadow: 2px 4px 12px rgba(0, 0, 0, 0.35);
  transform: rotate(var(--rot, -1deg));
  font-size: 0.92rem;
}

.note:nth-child(2) {
  --rot: 2deg;
  background: #e8f0fa;
}

.note:nth-child(3) {
  --rot: -2.5deg;
  background: #f0e4f4;
}

.note h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: #1a1710;
}

.note p {
  margin: 0;
  line-height: 1.45;
}

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

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

.mosaic figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(135, 207, 251, 0.12);
  background: var(--panel);
}

.mosaic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 160px;
}

.mosaic figcaption {
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
  background: rgba(10, 13, 18, 0.85);
}

.legal-tabs {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(135, 207, 251, 0.1);
}

.tab-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.tab-bar button {
  font: inherit;
  cursor: pointer;
  border: 1px solid rgba(135, 207, 251, 0.25);
  background: transparent;
  color: var(--muted);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}

.tab-bar button[aria-selected="true"] {
  background: rgba(135, 207, 251, 0.15);
  color: var(--accent);
  border-color: var(--accent2);
}

.tab-panel {
  display: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.tab-panel.active {
  display: block;
}

.tab-panel h3 {
  color: var(--text);
  margin-top: 0;
}

.tab-panel ul {
  padding-left: 1.2rem;
}

.site-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(135, 207, 251, 0.1);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: right;
}

.mobile-dock {
  display: none;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .spine {
    display: none;
  }

  .mobile-dock {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    justify-content: space-around;
    padding: 0.65rem 0.5rem calc(0.65rem + env(safe-area-inset-bottom));
    background: rgba(13, 17, 24, 0.92);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(135, 207, 251, 0.12);
    z-index: 20;
  }

  .mobile-dock a {
    font-size: 0.72rem;
    color: var(--muted);
    text-align: center;
  }

  .main {
    padding: 1.25rem 1.25rem 5rem;
  }

  .hero-split {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2rem;
  }

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

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

  .mosaic .shot-large {
    grid-row: auto;
  }
}