:root {
  --violet: #8B5CF6;
  --midnight: #070B1D;
  --mint: #65FFD1;
  --white: #F7FBFF;
  --ice: #DDF6FF;
  --blue: #102A56;
  --rose: #FF6F91;
  --display: "Bricolage Grotesque", sans-serif;
  --body: "Commissioner", "Inter", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--midnight);
  color: var(--white);
  font-family: var(--body);
  overflow-x: hidden;
}

.site-shell {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(circle at 24% 12%, rgba(139, 92, 246, .28), transparent 32rem),
    radial-gradient(circle at 76% 42%, rgba(101, 255, 209, .16), transparent 30rem),
    linear-gradient(180deg, #070B1D 0%, #102A56 46%, #070B1D 100%);
}

.ambient-grid,
.strata-lines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.ambient-grid {
  opacity: .22;
  background-image:
    linear-gradient(rgba(221, 246, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(221, 246, 255, .06) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(180deg, transparent, #000 18%, #000 82%, transparent);
}

.strata-lines {
  opacity: .48;
  background:
    repeating-radial-gradient(ellipse at 50% 18%, transparent 0 28px, rgba(221, 246, 255, .08) 29px 31px, transparent 32px 58px),
    repeating-linear-gradient(178deg, transparent 0 84px, rgba(101, 255, 209, .08) 85px 87px, transparent 88px 170px);
  transform: translateY(var(--drift, 0px));
}

.protocol-nav {
  position: fixed;
  top: 24px;
  left: 32px;
  right: 32px;
  z-index: 8;
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: flex-end;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.protocol-nav span { margin-right: auto; color: var(--mint); }
.protocol-nav a { color: rgba(247, 251, 255, .72); text-decoration: none; transition: color .25s ease; }
.protocol-nav a:hover { color: var(--white); }

.scroll-rail {
  position: fixed;
  top: 12vh;
  bottom: 12vh;
  left: clamp(22px, 4vw, 64px);
  width: 2px;
  z-index: 6;
}

.rail-core,
.rail-progress {
  position: absolute;
  inset: 0;
  border-radius: 999px;
}

.rail-core { background: rgba(221, 246, 255, .16); }
.rail-progress { height: 0; background: linear-gradient(var(--mint), var(--violet), var(--rose)); box-shadow: 0 0 24px rgba(101, 255, 209, .7); }

.id-capsule {
  position: fixed;
  left: clamp(44px, 4vw + 8px, 86px);
  top: 20vh;
  width: 86px;
  height: 118px;
  z-index: 9;
  transform: translate(-50%, -50%) rotateX(58deg) rotateZ(-9deg);
  transform-style: preserve-3d;
  transition: filter .2s ease;
}

.capsule-glass {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(221, 246, 255, .58);
  border-radius: 44px;
  background: linear-gradient(145deg, rgba(247, 251, 255, .2), rgba(101, 255, 209, .12) 42%, rgba(139, 92, 246, .2));
  box-shadow: inset 0 0 24px rgba(247, 251, 255, .22), 0 0 42px rgba(101, 255, 209, .28);
  backdrop-filter: blur(10px);
}

.capsule-ring {
  position: absolute;
  inset: 13px;
  border: 1px dashed rgba(101, 255, 209, .78);
  border-radius: 50%;
  animation: spin 9s linear infinite;
}

.capsule-name,
.capsule-proof {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

.capsule-name { top: 39px; font-family: var(--display); font-size: 25px; color: var(--white); }
.capsule-proof { bottom: 25px; font-family: var(--mono); font-size: 8px; color: var(--mint); }

.layer-chamber {
  min-height: 100vh;
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: 108px clamp(26px, 7vw, 120px) 72px clamp(92px, 11vw, 170px);
  border-bottom: 1px solid rgba(221, 246, 255, .1);
}

.chamber-index {
  position: absolute;
  top: 86px;
  left: clamp(92px, 11vw, 170px);
  font-family: var(--mono);
  color: var(--mint);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 16px;
  font-family: var(--mono);
  color: var(--rose);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 12px;
}

h1, h2, h3 { font-family: var(--display); margin: 0; line-height: .92; }
h1 { font-size: clamp(86px, 17vw, 238px); letter-spacing: -.08em; text-shadow: 0 0 50px rgba(139, 92, 246, .28); }
h2 { font-size: clamp(44px, 7vw, 96px); letter-spacing: -.055em; max-width: 850px; }
h3 { font-size: 30px; letter-spacing: -.035em; }
p { color: rgba(221, 246, 255, .78); line-height: 1.7; font-size: 17px; }

.hero-name-field { width: 100%; }
.hero-copy { max-width: 620px; margin-left: auto; margin-right: 8vw; }

.nameplate-field {
  position: absolute;
  right: 9vw;
  bottom: 9vh;
  display: flex;
  align-items: center;
  gap: 20px;
}

.nameplate,
.identity-card,
.rail-card,
.membrane-panel {
  border: 1px solid rgba(221, 246, 255, .22);
  background: linear-gradient(145deg, rgba(247, 251, 255, .11), rgba(16, 42, 86, .36));
  box-shadow: inset 0 1px 0 rgba(247, 251, 255, .2), 0 24px 80px rgba(7, 11, 29, .38);
  backdrop-filter: blur(18px);
}

.nameplate { padding: 22px 30px; border-radius: 28px; min-width: 330px; }
.plate-label, .identity-card span { display: block; font-family: var(--mono); color: var(--mint); font-size: 11px; text-transform: uppercase; letter-spacing: .13em; }
.nameplate strong { display: block; font-family: var(--display); font-size: 34px; margin: 9px 0; color: var(--white); }
.plate-hash { font-family: var(--mono); color: rgba(221, 246, 255, .72); font-size: 12px; }
.mint-seal { width: 86px; height: 86px; border-radius: 50%; display: grid; place-items: center; color: var(--midnight); font-family: var(--mono); font-size: 10px; text-transform: uppercase; background: radial-gradient(circle, var(--mint), var(--ice)); box-shadow: 0 0 36px rgba(101, 255, 209, .52); }

.membrane-panel { width: min(1120px, 100%); min-height: 560px; border-radius: 46px; display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; }
.membrane-surface { position: relative; min-height: 560px; background: linear-gradient(90deg, rgba(221, 246, 255, .05), rgba(101, 255, 209, .12), rgba(255, 111, 145, .08)); }
.membrane-surface:before { content: ""; position: absolute; inset: 9%; border-radius: 44%; border: 1px solid rgba(221, 246, 255, .24); background: repeating-linear-gradient(92deg, transparent 0 18px, rgba(247, 251, 255, .08) 19px 21px); filter: blur(.2px); }
.membrane-scan { position: absolute; top: 0; bottom: 0; width: 38%; left: -38%; background: linear-gradient(90deg, transparent, rgba(101, 255, 209, .28), transparent); animation: scan 4.8s ease-in-out infinite; }
.panel-copy { padding: 76px 56px; align-self: center; }
.proof-stack { margin-top: 30px; display: grid; gap: 10px; font-family: var(--mono); color: var(--ice); }
.proof-stack span { padding: 12px 14px; border-left: 2px solid var(--mint); background: rgba(7, 11, 29, .34); }
.prism { position: absolute; display: grid; place-items: center; width: 110px; height: 72px; border: 1px solid rgba(247, 251, 255, .32); color: var(--white); font-family: var(--mono); background: rgba(139, 92, 246, .16); transform: skewX(-14deg) rotate(-7deg); box-shadow: 0 0 30px rgba(139, 92, 246, .32); }
.prism-a { top: 21%; left: 19%; }
.prism-b { top: 45%; left: 48%; background: rgba(101, 255, 209, .14); }
.prism-c { bottom: 18%; left: 28%; background: rgba(255, 111, 145, .14); }

.orbital-stage { width: min(1120px, 100%); min-height: 650px; position: relative; display: grid; place-items: center; }
.orbit { position: absolute; border: 1px solid rgba(221, 246, 255, .2); border-radius: 50%; transform: rotateX(68deg); }
.orbit-one { width: 860px; height: 320px; box-shadow: 0 0 42px rgba(101, 255, 209, .15); }
.orbit-two { width: 620px; height: 220px; border-color: rgba(139, 92, 246, .36); animation: pulse 3.2s ease-in-out infinite; }
.rail-card { position: relative; z-index: 2; max-width: 660px; padding: 46px; border-radius: 38px; text-align: center; }
.courier { position: absolute; z-index: 3; width: 58px; height: 32px; border-radius: 999px; display: grid; place-items: center; font-family: var(--mono); font-size: 10px; text-transform: uppercase; color: var(--midnight); background: var(--mint); box-shadow: 0 0 24px rgba(101, 255, 209, .52); }
.courier-a { animation: orbitA 8s linear infinite; }
.courier-b { animation: orbitB 10s linear infinite; background: var(--rose); }
.proof-ribbon { position: absolute; left: 50%; bottom: 82px; transform: translateX(-50%); display: flex; gap: 16px; align-items: center; padding: 16px 24px; border-radius: 999px; font-family: var(--mono); color: var(--mint); background: rgba(7, 11, 29, .72); border: 1px solid rgba(101, 255, 209, .38); box-shadow: 0 0 38px rgba(101, 255, 209, .18); }

.gallery-wrap { width: min(1120px, 100%); display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.identity-gallery { display: grid; gap: 18px; perspective: 1100px; }
.identity-card { border-radius: 32px; padding: 30px; min-height: 168px; transform: rotateY(-12deg) translateX(0); transition: transform .5s ease, border-color .5s ease, background .5s ease; }
.identity-card p { font-family: var(--mono); font-size: 13px; margin-bottom: 0; }
.identity-card.active-card { border-color: rgba(101, 255, 209, .72); background: linear-gradient(145deg, rgba(247, 251, 255, .88), rgba(221, 246, 255, .72)); color: var(--midnight); transform: rotateY(-6deg) translateX(-22px); }
.identity-card.active-card p, .identity-card.active-card span { color: var(--blue); }

.is-refracting .capsule-glass { animation: refract .7s ease both; }
.is-compressed { filter: saturate(1.8) brightness(1.25); }
.is-compressed .id-capsule, .id-capsule.is-compressed { transform: translate(-50%, -50%) scaleY(.2) scaleX(1.65) rotateZ(0deg); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes scan { 0%, 100% { left: -38%; } 50% { left: 100%; } }
@keyframes pulse { 50% { transform: rotateX(68deg) scale(1.08); border-color: rgba(101, 255, 209, .48); } }
@keyframes orbitA { from { transform: rotate(0deg) translateX(410px) rotate(0deg); } to { transform: rotate(360deg) translateX(410px) rotate(-360deg); } }
@keyframes orbitB { from { transform: rotate(170deg) translateX(305px) rotate(-170deg); } to { transform: rotate(530deg) translateX(305px) rotate(-530deg); } }
@keyframes refract { 0% { clip-path: inset(0); } 35% { clip-path: polygon(0 0, 100% 8%, 100% 42%, 0 34%); } 70% { clip-path: polygon(0 36%, 100% 44%, 100% 100%, 0 94%); } 100% { clip-path: inset(0); } }

@media (max-width: 820px) {
  .protocol-nav { left: 18px; right: 18px; gap: 10px; font-size: 9px; }
  .protocol-nav span { display: none; }
  .layer-chamber { padding-left: 72px; padding-right: 20px; }
  .chamber-index { left: 72px; }
  .nameplate-field, .proof-ribbon { position: relative; right: auto; bottom: auto; left: auto; transform: none; margin-top: 30px; flex-direction: column; }
  .membrane-panel, .gallery-wrap { grid-template-columns: 1fr; }
  .membrane-surface { min-height: 340px; }
  .panel-copy { padding: 34px; }
  .orbit-one { width: 520px; }
  .orbit-two { width: 380px; }
}