:root{
  --bg0:#02040b;
  --bg1:#050b18;
  --ink:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.72);
  --faint:rgba(255,255,255,.55);

  --glass:rgba(255,255,255,.06);
  --glass2:rgba(255,255,255,.10);
  --border:rgba(255,255,255,.14);

  --cyan:#33f0ff;
  --teal:#00d1b2;
  --violet:#a78bfa;

  --r:18px;

  /* Parallax vars (JS updates) */
  --px:.5;
  --py:.45;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--ink);
  font:16px/1.55 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(51,240,255,.14), transparent 55%),
    radial-gradient(900px 600px at 86% 18%, rgba(0,209,178,.12), transparent 60%),
    radial-gradient(900px 700px at 50% 100%, rgba(167,139,250,.10), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

#abyss{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  pointer-events:none;
  z-index:-6;
}

.vignette{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-5;
  background:
    radial-gradient(circle at 50% 30%, rgba(0,0,0,0), rgba(0,0,0,.38) 72%, rgba(0,0,0,.72) 100%);
  opacity:.88;
}

.scan{
  position:fixed;
  inset:-35% -45%;
  pointer-events:none;
  z-index:-4;
  background: linear-gradient(90deg, transparent, rgba(51,240,255,.09), transparent);
  transform: rotate(10deg);
  filter: blur(14px);
  opacity:.38;
  animation: scanSweep 10s ease-in-out infinite;
}
@keyframes scanSweep{
  0%{ transform: translateX(-18%) rotate(10deg); opacity:.14; }
  45%{ opacity:.38; }
  50%{ transform: translateX(18%) rotate(10deg); opacity:.34; }
  100%{ transform: translateX(-18%) rotate(10deg); opacity:.14; }
}

.grain{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-3;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(255,255,255,.045), transparent 35%),
    radial-gradient(circle at 90% 10%, rgba(255,255,255,.035), transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(255,255,255,.028), transparent 45%);
  mix-blend-mode: screen;
  opacity:.30;
}

/* Floating orbs */
.orbs{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-2;
}
.orb{
  position:absolute;
  width: min(560px, 58vw);
  aspect-ratio: 1;
  border-radius: 999px;
  opacity:.82;
  mix-blend-mode: screen;
  background:
    radial-gradient(circle at 30% 30%, rgba(51,240,255,.18), transparent 58%),
    radial-gradient(circle at 65% 35%, rgba(0,209,178,.12), transparent 60%),
    radial-gradient(circle at 50% 70%, rgba(167,139,250,.10), transparent 62%);
  animation: float 16s ease-in-out infinite;
  filter: blur(2px);
}
@keyframes float{
  0%{ transform: translate3d(0,0,0) scale(1); }
  50%{ transform: translate3d(1.6%, -1.2%, 0) scale(1.02); }
  100%{ transform: translate3d(0,0,0) scale(1); }
}
.orb--1{ left:-14%; top:-18%; animation-duration: 18s; }
.orb--2{ right:-18%; top:-10%; animation-duration: 22s; opacity:.70; }
.orb--3{ left:10%; bottom:-26%; animation-duration: 20s; opacity:.75; }
.orb--4{ right:6%; bottom:-30%; animation-duration: 26s; opacity:.62; }
.orb--5{ left:40%; top:20%; width: min(420px, 46vw); animation-duration: 24s; opacity:.55; }

/* Top bar */
.topbar{
  position:fixed;
  top:0; left:0; right:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:16px 20px;
  z-index:50;
  background: linear-gradient(180deg, rgba(5,11,24,.78), rgba(5,11,24,.35));
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--ink);
}
.brand__mark{
  width:14px; height:14px;
  border-radius:6px;
  background:
    radial-gradient(circle at 30% 30%, rgba(51,240,255,.95), rgba(0,209,178,.35) 45%, rgba(167,139,250,.25) 70%, transparent 74%);
  box-shadow: 0 0 18px rgba(51,240,255,.35);
}
.brand__text{ font-weight:850; letter-spacing:.2px; }
.brand__text span{ opacity:.85; font-weight:650; }

.nav{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
.nav a{
  color:rgba(255,255,255,.78);
  text-decoration:none;
  font-size:14px;
  padding:8px 10px;
  border-radius:12px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav a:hover{
  background: rgba(255,255,255,.06);
  color:rgba(255,255,255,.92);
  transform: translateY(-1px);
}
@media (max-width: 900px){ .nav{display:none} }

/* HUD */
.hud{
  position:fixed;
  right: 16px;
  top: 92px;
  z-index:45;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
  user-select:none;
}
.hud__row{
  display:flex;
  gap:8px;
  align-items:baseline;
}
.hud__row--hint{
  color: rgba(255,255,255,.56);
  font-size: 12px;
  max-width: 220px;
  text-align:right;
}
.hud__tag{
  font-size: 12px;
  color: rgba(255,255,255,.58);
  letter-spacing:.10em;
  text-transform: uppercase;
}
.hud__value{
  font-weight:800;
  font-size: 12px;
  letter-spacing:.10em;
  text-transform: uppercase;
  color: rgba(255,255,255,.80);
}
.hud__rail{
  width: 10px;
  height: 220px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  box-shadow: 0 24px 60px rgba(0,0,0,.26);
  position:relative;
  overflow:hidden;
}
.hud__rail::before{
  content:"";
  position:absolute;
  inset:-10%;
  background: radial-gradient(circle at 50% 20%, rgba(51,240,255,.10), transparent 50%);
  opacity:.8;
}
.hud__dot{
  position:absolute;
  left:50%;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius:999px;
  transform: translate(-50%, 0);
  background: radial-gradient(circle at 30% 30%, rgba(51,240,255,.95), rgba(0,209,178,.35));
  box-shadow: 0 0 18px rgba(51,240,255,.35);
}
@media (max-width: 900px){
  .hud{ display:none; }
}

/* Intro */
.intro{
  position:fixed;
  inset:0;
  z-index:100;
  pointer-events:none;
  display:grid;
  place-items:center;
  opacity:1;
}
.intro__veil{
  position:absolute;
  inset:0;
  background: radial-gradient(circle at 50% 40%, rgba(51,240,255,.08), rgba(0,0,0,.92) 62%, rgba(0,0,0,.98) 100%);
}
.intro__rings{
  position:absolute;
  inset:-40%;
  background:
    radial-gradient(circle at 50% 50%, rgba(51,240,255,.14), transparent 58%),
    radial-gradient(circle at 50% 50%, rgba(0,209,178,.10), transparent 62%),
    radial-gradient(circle at 50% 50%, rgba(167,139,250,.08), transparent 66%);
  filter: blur(2px);
  transform: scale(0.96);
  animation: introRings 2.2s ease-out forwards;
  opacity:.90;
}
@keyframes introRings{
  0%{ transform: scale(0.92); opacity:.85; }
  100%{ transform: scale(1.08); opacity:.12; }
}

.intro__content{
  position:relative;
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 90px rgba(0,0,0,.55);
  text-align:center;
  transform: translateY(6px);
  animation: introIn 1.25s ease-out forwards;
}
@keyframes introIn{
  0%{ opacity:0; transform: translateY(16px) scale(.98); }
  100%{ opacity:1; transform: translateY(0) scale(1); }
}
.intro__eyebrow{
  font-size: 12px;
  letter-spacing:.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,.62);
}
.intro__title{
  margin-top: 8px;
  font-weight: 950;
  letter-spacing:.18em;
  font-size: 18px;
}
.intro__sub{
  margin-top: 8px;
  color: rgba(255,255,255,.72);
  font-size: 14px;
}
.intro__hint{
  margin-top: 10px;
  color: rgba(255,255,255,.56);
  font-size: 12px;
}

.intro.is-off{
  opacity:0;
  transition: opacity .7s ease;
}

/* Hero */
.hero{
  min-height:100svh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 110px 20px 80px;
  position:relative;
}

.hero__inner{
  width:min(1100px, 100%);
  transform: translate3d(calc((var(--px) - .5) * 10px), calc((var(--py) - .5) * 10px), 0);
  transition: transform .10s linear;
}

.kicker{
  display:inline-flex;
  gap:10px;
  align-items:center;
  color:rgba(255,255,255,.66);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  margin:0 0 14px;
}
.kicker::before{
  content:"";
  width:54px;
  height:1px;
  background: linear-gradient(90deg, rgba(51,240,255,.65), transparent);
}

h1{
  margin:0;
  font-size: clamp(36px, 5.2vw, 72px);
  line-height:1.04;
  letter-spacing:-0.02em;
}
.glow{
  background: linear-gradient(90deg, rgba(51,240,255,.98), rgba(0,209,178,.90), rgba(167,139,250,.92));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow: 0 0 28px rgba(51,240,255,.20);
}

.sub{
  margin:18px 0 14px;
  color: var(--muted);
  max-width: 860px;
}

.chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top: 10px;
  max-width: 920px;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.82);
  font-size: 13px;
  letter-spacing: .2px;
  box-shadow: 0 18px 45px rgba(0,0,0,.22);
}

.heroCards{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}
@media (max-width: 900px){ .heroCards{grid-template-columns: 1fr;} }

.card{
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border-radius: var(--r);
  padding:16px;
  box-shadow: 0 24px 60px rgba(0,0,0,.26);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.card:hover{
  transform: translateY(-2px);
  border-color: rgba(51,240,255,.22);
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
}
.card__title{ font-weight:950; margin-bottom:6px; letter-spacing:-0.01em; }
.card__body{ color: rgba(255,255,255,.72); font-size:14px; }

.waves{
  position:absolute;
  left:0; right:0; bottom:0;
  height: 190px;
  width:100%;
  z-index:-1;
  opacity:.86;
  filter: drop-shadow(0 -20px 35px rgba(0,0,0,.45));
}
.wave{ transform-origin:center; animation: waveMove 14s linear infinite; }
.wave--1{ fill: rgba(51,240,255,.16); animation-duration: 16s; }
.wave--2{ fill: rgba(0,209,178,.12); animation-duration: 12s; }
.wave--3{ fill: rgba(167,139,250,.10); animation-duration: 20s; }
@keyframes waveMove{
  0%{ transform: translateX(0px); }
  50%{ transform: translateX(-42px); }
  100%{ transform: translateX(0px); }
}

/* Sections */
.section{
  padding: 72px 20px;
  scroll-margin-top: 92px;
}
.section--alt{
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 55%);
  border-top: 1px solid rgba(255,255,255,.07);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section__inner{
  width:min(1100px, 100%);
  margin:0 auto;
}
.section h2{
  margin:0 0 10px;
  font-size: 28px;
  letter-spacing:-0.01em;
}
.section p{
  margin:0 0 18px;
  color: rgba(255,255,255,.76);
  max-width: 980px;
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:14px;
  margin-top:16px;
}
@media (max-width: 900px){ .grid{ grid-template-columns:1fr; } }

.tile{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  border-radius: var(--r);
  padding:16px;
  box-shadow: 0 20px 55px rgba(0,0,0,.24);
}
.tile h3{ margin:0 0 8px; font-size:16px; }
.tile p{ margin:0; color: rgba(255,255,255,.72); font-size:14px; }

/* Quote */
.quote{
  display:flex;
  gap:14px;
  align-items:stretch;
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border-radius: var(--r);
  padding:16px;
  box-shadow: 0 26px 65px rgba(0,0,0,.26);
  max-width: 920px;
  margin-top: 12px;
}
.quote__bar{
  width: 6px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(51,240,255,.9), rgba(0,209,178,.55), rgba(167,139,250,.35));
  box-shadow: 0 0 26px rgba(51,240,255,.20);
}
.quote__big{ font-weight:950; font-size:18px; letter-spacing:-0.01em; }
.quote__sub{ color: rgba(255,255,255,.70); font-size:14px; margin-top:4px; }

/* Currents layout */
.twoCol{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 14px;
  margin-top: 14px;
}
@media (max-width: 900px){ .twoCol{ grid-template-columns: 1fr; } }

.panel{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  border-radius: var(--r);
  padding:16px;
  box-shadow: 0 26px 65px rgba(0,0,0,.26);
}
.panel h3{ margin:0 0 10px; font-size: 16px; }
.panel--visual{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap: 12px;
  min-height: 360px;
}

/* Dive log */
.log{
  display:flex;
  flex-direction:column;
  gap: 10px;
  margin-top: 10px;
}
.logItem{
  display:flex;
  gap: 12px;
  align-items:flex-start;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.20);
}
.logTime{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  color: rgba(255,255,255,.70);
  padding-top: 2px;
  min-width: 52px;
}
.logText{
  color: rgba(255,255,255,.75);
  font-size: 14px;
}

.tinyHint{
  margin-top: 12px;
  color: rgba(255,255,255,.60);
  font-size: 13px;
}
.kbd{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width: 22px;
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  color: rgba(255,255,255,.82);
}

/* Sonar visual */
.sonar{
  width: min(420px, 86vw);
  aspect-ratio: 1;
  border-radius: 999px;
  position:relative;
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(circle at 50% 50%, rgba(51,240,255,.12), rgba(0,0,0,.10) 55%, rgba(0,0,0,0) 72%);
  overflow:hidden;
  box-shadow: 0 28px 70px rgba(0,0,0,.28);
}
.sonar__core{
  position:absolute;
  left:50%; top:50%;
  width:10px; height:10px;
  border-radius:999px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 30% 30%, rgba(51,240,255,.95), rgba(0,209,178,.35));
  box-shadow: 0 0 24px rgba(51,240,255,.35);
}
.sonar::before,
.sonar::after{
  content:"";
  position:absolute;
  left:50%; top:50%;
  width: 12px; height: 12px;
  border-radius:999px;
  border: 1px solid rgba(51,240,255,.28);
  transform: translate(-50%, -50%) scale(0.25);
  opacity:.45;
  animation: sonar 4.6s linear infinite;
}
.sonar::after{
  animation-delay: 2.3s;
  border-color: rgba(0,209,178,.22);
}
@keyframes sonar{
  from{ transform: translate(-50%, -50%) scale(0.25); opacity:.42; }
  to{ transform: translate(-50%, -50%) scale(12); opacity:0; }
}
.visualNote{
  color: rgba(255,255,255,.60);
  font-size: 12px;
  letter-spacing:.14em;
  text-transform: uppercase;
}

/* Atlas */
.atlasGrid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}
@media (max-width: 900px){ .atlasGrid{ grid-template-columns: 1fr; } }

.atlasCard{
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border-radius: var(--r);
  padding:16px;
  box-shadow: 0 26px 65px rgba(0,0,0,.26);
  transition: transform .2s ease, border-color .2s ease;
}
.atlasCard:hover{
  transform: translateY(-2px);
  border-color: rgba(51,240,255,.20);
}
.atlasTop{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.atlasTitle{
  font-weight:950;
  letter-spacing:-0.01em;
}
.atlasTag{
  font-size: 12px;
  color: rgba(255,255,255,.70);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  padding: 4px 8px;
  border-radius: 999px;
}
.atlasBody{
  color: rgba(255,255,255,.74);
  font-size: 14px;
}

/* Lore */
.loreBlock{
  margin-top: 16px;
  padding: 16px;
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
  box-shadow: 0 26px 65px rgba(0,0,0,.26);
  max-width: 920px;
}
.loreLine{
  font-weight: 900;
  letter-spacing:-0.01em;
  font-size: 16px;
  margin: 0 0 8px;
}
.loreLine--muted{
  color: rgba(255,255,255,.70);
  font-weight: 750;
}

/* Footer */
.footer{
  padding: 28px 20px 46px;
  color: rgba(255,255,255,.62);
}
.footer__inner{
  width:min(1100px, 100%);
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  gap: 14px;
  flex-wrap:wrap;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 18px;
}
.footer__hint{ color: rgba(255,255,255,.52); }

/* Reveal */
.reveal{
  opacity:0;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{
  opacity:1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .wave{ animation:none !important; }
  .scan{ animation:none !important; }
  .orb{ animation:none !important; }
  .reveal{ transition:none !important; }
  .sonar::before,.sonar::after{ animation:none !important; }
  .hero__inner{ transition:none !important; transform:none !important; }
  .intro{ display:none; }
}