@font-face {
  font-family: "Syne";
  src: url("assets/fonts/syne-600.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Syne";
  src: url("assets/fonts/syne-800.ttf") format("truetype");
  font-weight: 800;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-400.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-500.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/fonts/ibm-plex-mono-400.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #050508;
  --surface: #0a0a10;
  --text: #f4f3f0;
  --muted: #9696a1;
  --line: rgba(255, 255, 255, 0.14);
  --violet: #7756ff;
  --blue: #3a8cff;
  --cyan: #5fe7ef;
  --coral: #ff684e;
  --gold: #ffc552;
  --header-h: 96px;
  color-scheme: dark;
  font-family: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
  scrollbar-color: #4e4e5b var(--bg);
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 75% 5%, rgba(119, 86, 255, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.5) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(255,255,255,.18) 0 1px, transparent 1.5px);
  background-position: 0 0, 32px 47px;
  background-size: 86px 86px, 121px 121px;
  opacity: .22;
  content: "";
}

.space-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30;
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,.05);
}

.scroll-progress i {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--coral), var(--gold));
  box-shadow: 0 0 14px rgba(119,86,255,.7);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

a {
  color: inherit;
  text-decoration: none;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  z-index: -1;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(95,231,239,.075), transparent 68%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  will-change: transform;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 15;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: var(--header-h);
  padding: 0 clamp(24px, 4vw, 72px);
  border-bottom: 1px solid transparent;
  transition: background .4s ease, border-color .4s ease, height .4s ease;
}

.site-header.scrolled {
  height: 72px;
  border-color: var(--line);
  background: rgba(5,5,8,.76);
  backdrop-filter: blur(18px);
}

.brand img {
  display: block;
  width: 94px;
  height: auto;
  filter: invert(1);
}

.header-meta {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font: 400 10px/1 "IBM Plex Mono", monospace;
  letter-spacing: .14em;
}

.header-cta {
  justify-self: end;
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .04em;
  transition: color .25s, background .25s, border-color .25s;
}

.header-cta:hover,
.header-cta:focus-visible {
  border-color: white;
  background: white;
  color: #050508;
}

.chapter-nav {
  position: fixed;
  right: clamp(17px, 2vw, 36px);
  top: 50%;
  z-index: 14;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transform: translateY(-50%);
}

.chapter-nav a {
  position: relative;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  color: #71717b;
  font: 10px/1 "IBM Plex Mono", monospace;
  transition: .25s ease;
}

.chapter-nav a::before {
  position: absolute;
  right: 38px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #0b0b10;
  color: var(--text);
  content: attr(data-label);
  opacity: 0;
  pointer-events: none;
  transform: translateX(6px);
  transition: .2s ease;
}

.chapter-nav a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.chapter-nav a.active {
  border-color: rgba(255,255,255,.45);
  color: white;
}

.chapter {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: clamp(110px, 12vw, 180px) clamp(24px, 8vw, 140px);
  overflow: hidden;
}

.scroll-scene {
  overflow: visible;
}

.scene-sticky {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100svh;
  overflow: hidden;
}

.eyebrow {
  margin: 0 0 26px;
  color: #a9a9b2;
  font: 400 11px/1.2 "IBM Plex Mono", monospace;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  margin-bottom: 30px;
  font-family: "Syne", "Space Grotesk", sans-serif;
  font-weight: 600;
  letter-spacing: -.075em;
}

h1 {
  max-width: 1050px;
  font-size: clamp(64px, 10.5vw, 170px);
  line-height: .79;
}

h2 {
  font-size: clamp(50px, 7.4vw, 116px);
  line-height: .9;
}

.hero {
  display: block;
  min-height: 210vh;
  padding: 0;
}

.hero-stage {
  display: flex;
  align-items: flex-end;
  padding: clamp(110px, 12vw, 180px) clamp(24px, 8vw, 140px);
}

.hero-stage::after {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(5,5,8,.7) 0%, rgba(5,5,8,.1) 48%, rgba(5,5,8,.02) 76%),
    linear-gradient(0deg, rgba(5,5,8,.92) 0%, transparent 42%);
  content: "";
  pointer-events: none;
}

.hero-stage::before {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 7;
  height: 38vh;
  background: linear-gradient(0deg, #050508 0%, rgba(5,5,8,.92) 24%, transparent 100%);
  content: "";
  opacity: var(--hero-exit, 0);
  pointer-events: none;
  will-change: opacity;
}

.hero-aura {
  position: absolute;
  top: 0;
  right: -8%;
  z-index: 0;
  width: 78vw;
  height: 90vh;
  background:
    radial-gradient(circle at 58% 56%, rgba(71,92,255,.22), transparent 27%),
    radial-gradient(circle at 64% 61%, rgba(255,108,67,.1), transparent 43%);
  filter: blur(14px);
  will-change: transform;
}

.hero-wordmark {
  position: absolute;
  top: 18vh;
  left: 50%;
  z-index: 1;
  width: min(88vw, 1550px);
  max-width: none;
  margin: 0;
  transform: translateX(-50%);
  will-change: transform, opacity;
}

.hero-wordmark img {
  display: block;
  width: 100%;
  height: auto;
  opacity: .075;
  filter: invert(1) brightness(.72) contrast(1.15) drop-shadow(0 1px 0 rgba(255,255,255,.12));
}

.hero-wordmark::before,
.hero-wordmark::after {
  position: absolute;
  inset: 0;
  content: "";
  -webkit-mask: url("assets/blvck-logo.svg") center / contain no-repeat;
  mask: url("assets/blvck-logo.svg") center / contain no-repeat;
}

.hero-wordmark::before {
  background: rgba(255,255,255,.026);
  -webkit-backdrop-filter: blur(10px) saturate(145%);
  backdrop-filter: blur(10px) saturate(145%);
  filter: drop-shadow(0 1px 0 rgba(255,255,255,.11)) drop-shadow(0 12px 22px rgba(0,0,0,.6));
}

.hero-wordmark::after {
  background:
    linear-gradient(112deg, rgba(255,255,255,.025) 7%, rgba(255,255,255,.13) 31%, rgba(255,255,255,.018) 48%, rgba(184,207,255,.095) 68%, rgba(255,255,255,.024) 91%);
  opacity: .78;
}

.hero-planet-wrap {
  position: absolute;
  bottom: -56vh;
  left: 53%;
  z-index: 3;
  width: min(96vw, 1420px);
  aspect-ratio: 1;
  transform: translateX(-50%);
  will-change: transform, opacity;
}

.real-planet {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 50%;
  background-image: url("assets/blvck-planet-surface.webp");
  background-position: 0 center;
  background-size: auto 100%;
  box-shadow:
    inset -180px -100px 210px rgba(0,0,0,.96),
    inset 35px 18px 55px rgba(123,169,255,.15),
    0 -7px 20px rgba(90,150,255,.4),
    0 0 95px rgba(90,90,255,.25);
  animation: planet-surface 46s linear infinite;
}

.real-planet::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  background:
    radial-gradient(circle at 34% 26%, rgba(255,255,255,.12), transparent 16%),
    radial-gradient(circle at 36% 32%, transparent 0 28%, rgba(0,0,0,.18) 52%, rgba(0,0,0,.92) 83%);
  content: "";
  pointer-events: none;
}

.real-planet::after {
  position: absolute;
  inset: -1%;
  z-index: 3;
  border: 1px solid rgba(131,181,255,.65);
  border-radius: inherit;
  box-shadow: inset 8px 2px 20px rgba(88,149,255,.42);
  content: "";
  pointer-events: none;
}

.hero-real-planet {
  overflow: visible;
  background: url("assets/earth-hero-cinematic.webp") center / contain no-repeat;
  box-shadow:
    0 -4px 22px rgba(99,170,255,.22),
    0 0 105px rgba(45,99,255,.18);
  animation: none;
  filter: saturate(.62) contrast(1.24) brightness(.43);
}

.hero-real-planet::before {
  background:
    radial-gradient(circle at 27% 22%, rgba(188,224,255,.075), transparent 16%),
    radial-gradient(circle at 29% 25%, transparent 0 20%, rgba(0,0,0,.2) 39%, rgba(0,0,0,.7) 72%, rgba(0,0,0,.96) 100%),
    linear-gradient(122deg, transparent 14%, rgba(0,0,0,.2) 49%, rgba(0,0,0,.76) 100%);
  box-shadow: inset -126px -76px 190px rgba(0,0,0,.78);
}

.hero-real-planet::after {
  inset: .2%;
  border: 1px solid rgba(151,207,255,.32);
  box-shadow:
    inset 8px 1px 20px rgba(91,175,255,.28),
    inset -16px -7px 42px rgba(0,0,0,.5),
    0 0 16px rgba(69,143,255,.12);
}

.hero-copy {
  position: absolute;
  bottom: 7vh;
  left: 50%;
  z-index: 5;
  width: min(720px, 72vw);
  padding-bottom: 0;
  text-align: center;
  transform: translateX(-50%);
  will-change: transform, opacity;
}

.hero-statement {
  margin-bottom: 20px;
  font-family: "Syne", sans-serif;
  font-size: clamp(34px, 4vw, 66px);
  font-weight: 600;
  letter-spacing: -.06em;
  line-height: .92;
}

.hero-intro,
.statement-copy > p:last-child,
.universe-intro > p:last-child,
.expansion-copy > p:last-child,
.contact-copy > p:last-child {
  max-width: 620px;
  margin-bottom: 36px;
  color: #b8b8c0;
  font-size: clamp(17px, 1.7vw, 25px);
  line-height: 1.48;
}

.hero-copy .hero-intro {
  margin-right: auto;
  margin-left: auto;
  padding: 8px clamp(12px, 3vw, 42px);
  background: linear-gradient(90deg, transparent, rgba(5,5,8,.58) 18%, rgba(5,5,8,.58) 82%, transparent);
  color: rgba(247,247,250,.92);
  text-shadow: 0 2px 14px rgba(0,0,0,.98), 0 0 38px rgba(0,0,0,.94);
}

.text-link {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(255,255,255,.5);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-copy .text-link {
  justify-content: center;
}

.hero-orbit {
  position: absolute;
  top: 7%;
  right: -8vw;
  width: min(64vw, 900px);
  aspect-ratio: 1;
  z-index: 4;
  will-change: transform, opacity;
}

.planet {
  position: absolute;
  border-radius: 50%;
}

.portal-planet::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  background:
    radial-gradient(circle at 32% 26%, rgba(255,255,255,.15), transparent 15%),
    radial-gradient(circle at 34% 32%, transparent 0 24%, rgba(0,0,0,.12) 45%, rgba(0,0,0,.9) 82%);
  content: "";
}

.orbit {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 50%;
  transform: rotate(28deg) scaleY(.48);
}

.orbit-two {
  inset: 5%;
  transform: rotate(-28deg) scaleY(.54);
}

.orbit-three {
  inset: 18%;
  transform: rotate(72deg) scaleY(.45);
}

.orbit i {
  position: absolute;
  top: 48%;
  left: -5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}

.orbit-two i {
  left: auto;
  right: 4%;
  background: var(--coral);
  box-shadow: 0 0 18px var(--coral);
}

.orbit-three i {
  top: 10%;
  left: 60%;
  background: var(--gold);
  box-shadow: 0 0 18px var(--gold);
}

.scroll-marker {
  position: absolute;
  right: 4vw;
  bottom: 36px;
  display: flex;
  gap: 16px;
  align-items: center;
  color: var(--muted);
  font: 9px/1 monospace;
  letter-spacing: .18em;
  transform: rotate(90deg) translateY(-100%);
  transform-origin: right top;
}

.scroll-marker i {
  display: block;
  width: 64px;
  height: 1px;
  overflow: hidden;
  background: var(--line);
}

.scroll-marker i::after {
  display: block;
  width: 50%;
  height: 100%;
  background: white;
  content: "";
  animation: scan 2s ease-in-out infinite;
}

.mission-data {
  position: absolute;
  right: clamp(24px, 7vw, 120px);
  bottom: 52px;
  z-index: 3;
  display: grid;
  gap: 7px;
  justify-items: end;
  color: rgba(255,255,255,.55);
  font: 400 9px/1.15 "IBM Plex Mono", monospace;
  letter-spacing: .14em;
  will-change: transform, opacity;
}

.statement {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  border-top: 1px solid var(--line);
}

.passage {
  min-height: 148vh;
  padding: 0;
  background: #050508;
}

.passage-stage {
  display: grid;
  place-items: center;
  isolation: isolate;
}

.passage-stage::before,
.passage-stage::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
}

.passage-stage::before {
  background: radial-gradient(circle at center, rgba(97,75,255,.12), transparent 34%);
}

.passage-stage::after {
  background: linear-gradient(0deg, #050508 0%, transparent 24%, transparent 76%, #050508 100%);
}

.aperture {
  position: absolute;
  top: -8%;
  bottom: -8%;
  left: 50%;
  z-index: 0;
  width: 2px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 44% 38%, rgba(150,238,222,.88), transparent 15%),
    radial-gradient(ellipse at 63% 68%, rgba(255,211,111,.85), transparent 17%),
    linear-gradient(145deg, #244acb 0%, #6845a9 37%, #c95145 70%, #dca13b 100%);
  box-shadow:
    0 0 18px rgba(235,243,255,.56),
    0 0 54px rgba(109,112,255,.52),
    0 0 145px rgba(46,123,255,.34);
  transform: translateX(-50%) skewX(-5deg);
  will-change: width, transform, filter;
}

.aperture::before {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(16deg, transparent 0 26px, rgba(255,255,255,.055) 28px 29px, transparent 31px 56px),
    radial-gradient(ellipse at center, rgba(255,255,255,.13) 0 5%, transparent 24%),
    radial-gradient(circle at center, transparent 0 20%, rgba(0,0,0,.58) 82%);
  content: "";
}

.aperture i {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 42%, rgba(140,191,255,.14) 46%, rgba(255,255,255,.94) 49.5%, rgba(255,247,216,.98) 50.5%, rgba(255,183,92,.14) 55%, transparent 59%),
    linear-gradient(100deg, transparent 28%, rgba(255,255,255,.2) 49%, transparent 68%);
  filter: blur(.35px);
  box-shadow: 0 0 24px rgba(255,255,255,.26);
  transform: translateX(-60%);
  will-change: transform;
}

.passage-copy {
  position: relative;
  z-index: 2;
  width: min(900px, 80vw);
  text-align: center;
  opacity: 0;
  transform: translateY(44px) scale(.97);
  will-change: opacity, transform;
}

.passage-copy h2 {
  margin-bottom: 20px;
  text-shadow: 0 4px 50px rgba(0,0,0,.55);
}

.passage-copy > p:last-child {
  color: rgba(255,255,255,.8);
  font-family: "Syne", sans-serif;
  font-size: clamp(20px, 2.2vw, 34px);
}

.passage-code {
  position: absolute;
  right: 5vw;
  bottom: 38px;
  z-index: 3;
  color: #777782;
  font: 400 9px/1 "IBM Plex Mono", monospace;
  letter-spacing: .13em;
}

.statement-copy {
  position: relative;
  z-index: 2;
  width: min(58%, 820px);
}

.statement-space {
  position: absolute;
  inset: 0 50% 0 0;
}

.eclipse {
  position: absolute;
  top: 50%;
  left: 12%;
  width: min(40vw, 570px);
  aspect-ratio: 1;
  transform: translateY(-50%);
  isolation: isolate;
  filter: drop-shadow(0 0 70px rgba(255,104,52,.16));
}

.eclipse-sun,
.eclipse-moon {
  position: absolute;
  top: 50%;
  left: 50%;
  aspect-ratio: 1;
  border-radius: 50%;
}

.eclipse-sun {
  z-index: 0;
  width: 99%;
  background:
    radial-gradient(circle at 38% 34%, #fffef1 0 5%, #ffe79d 20%, #ffad4e 55%, #ff643b 78%, #b51e20 100%);
  box-shadow:
    0 0 10px rgba(255,250,218,1),
    0 0 30px rgba(255,185,78,.98),
    0 0 90px rgba(255,91,48,.72),
    0 0 190px rgba(255,68,43,.42);
  transform: translate3d(-44%, -52%, 0) scale(.965);
  will-change: transform;
}

.eclipse-sun::before,
.eclipse-sun::after {
  position: absolute;
  inset: -3.5%;
  border: 2px dotted rgba(255,197,106,.5);
  border-radius: inherit;
  content: "";
  filter: blur(2px);
  opacity: .72;
}

.eclipse-sun::after {
  inset: -7%;
  border-width: 5px;
  border-color: rgba(255,91,55,.22);
  filter: blur(7px);
}

.eclipse-moon {
  z-index: 2;
  width: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 27%, rgba(93,98,111,.22), transparent 18%),
    linear-gradient(rgba(3,4,8,.78), rgba(1,2,5,.94)),
    url("assets/blvck-planet-surface.webp") 18% center / auto 100%;
  box-shadow:
    inset -72px -38px 120px rgba(0,0,0,.96),
    inset 24px 10px 38px rgba(112,122,147,.09),
    10px 0 18px rgba(255,205,122,.62);
  transform: translate(-50%, -50%);
}

.eclipse-moon::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 31% 28%, transparent 0 18%, rgba(0,0,0,.3) 48%, rgba(0,0,0,.92) 86%);
  content: "";
}

.signal {
  position: absolute;
  top: 50%;
  left: 12%;
  width: min(40vw, 570px);
  aspect-ratio: 1;
  border: 1px solid rgba(255,104,78,.18);
  border-radius: 50%;
  transform: translateY(-50%) scale(1.2);
  animation: pulse 3.8s ease-out infinite;
}

.signal-b {
  animation-delay: 1.8s;
}

.trajectory {
  min-height: 195vh;
  padding: 0;
  background:
    radial-gradient(circle at 50% 56%, rgba(67,80,192,.15), transparent 31%),
    #050508;
  color: var(--text);
}

.trajectory .eyebrow {
  color: #93939d;
}

.trajectory-stage {
  padding: clamp(110px, 9vw, 150px) clamp(24px, 8vw, 140px) 70px;
}

.trajectory-heading {
  position: relative;
  z-index: 3;
  max-width: 1100px;
  margin: 0;
  will-change: opacity, transform;
}

.trajectory h2,
.trajectory h3 {
  font-family: "Syne", sans-serif;
}

.steps {
  position: absolute;
  right: clamp(24px, 8vw, 140px);
  bottom: 7vh;
  left: clamp(24px, 8vw, 140px);
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.18);
}

.step {
  min-height: 210px;
  padding: 26px 26px 40px 0;
  border-right: 1px solid rgba(255,255,255,.12);
  opacity: .22;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease, color .5s ease;
}

.step + .step {
  padding-left: 26px;
}

.step:last-child {
  border-right: 0;
}

.step.is-active {
  color: white;
  opacity: 1;
  transform: translateY(0);
}

.step-number {
  display: block;
  margin-bottom: 45px;
  color: #8f8f9a;
  font: 11px/1 "IBM Plex Mono", monospace;
}

.step h3 {
  margin-bottom: 16px;
  font-size: clamp(26px, 3vw, 48px);
  font-weight: 600;
  letter-spacing: -.05em;
}

.step p {
  max-width: 260px;
  color: #8e8e99;
  line-height: 1.55;
}

.trajectory-track {
  position: absolute;
  top: 59%;
  right: 8vw;
  left: 8vw;
  z-index: 2;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,.08), rgba(255,255,255,.22), rgba(255,255,255,.08));
  transform: rotate(-5deg);
  transform-origin: left center;
}

.trajectory-track::before,
.trajectory-track::after {
  position: absolute;
  top: -5px;
  width: 11px;
  height: 11px;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 50%;
  content: "";
}

.trajectory-track::before { left: 0; }
.trajectory-track::after { right: 0; }

.trajectory-track i {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--gold));
  box-shadow: 0 0 16px rgba(119,86,255,.8);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.trajectory-probe {
  position: absolute;
  top: -8px;
  left: 0;
  width: 17px;
  height: 17px;
  border: 3px solid white;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 10px white, 0 0 35px var(--cyan);
  transform: translateX(-50%);
  will-change: left;
}

.trajectory-telemetry {
  position: absolute;
  top: 50%;
  right: 8vw;
  display: grid;
  gap: 7px;
  justify-items: end;
  color: #777782;
  font: 400 9px/1.2 "IBM Plex Mono", monospace;
  letter-spacing: .12em;
}

.trajectory-telemetry b {
  color: white;
  font-weight: 400;
}

.universe {
  padding-right: 0;
  padding-left: 0;
}

.universe-intro {
  padding-right: clamp(24px, 8vw, 140px);
  padding-left: clamp(24px, 8vw, 140px);
}

.brand-portals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: clamp(70px, 10vw, 150px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.portal {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: min(76vw, 820px);
  padding: clamp(28px, 4vw, 64px);
  overflow: hidden;
  transition: background .5s ease;
  transform-style: preserve-3d;
}

.portal + .portal {
  border-left: 1px solid var(--line);
}

.portal:hover,
.portal:focus-visible {
  background: rgba(255,255,255,.035);
}

.portal-index,
.portal-action {
  position: relative;
  z-index: 2;
  color: #adadb6;
  font: 10px/1.2 "IBM Plex Mono", monospace;
  letter-spacing: .14em;
}

.portal-action {
  display: flex;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: white;
  font-family: inherit;
  font-size: 12px;
  text-transform: uppercase;
}

.portal-content {
  position: relative;
  z-index: 2;
}

.portal-content img {
  display: block;
  width: min(100%, 420px);
  max-height: 110px;
  margin-bottom: 28px;
  object-fit: contain;
  object-position: left center;
}

.portal-design .portal-content img {
  width: min(82%, 370px);
}

.portal-content p {
  color: #aaaab3;
  font-size: clamp(14px, 1.4vw, 20px);
}

.portal-planet {
  position: absolute;
  top: 17%;
  right: -24%;
  width: 74%;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 50%;
  background-image: url("assets/blvck-planet-surface.webp");
  background-position: 0 center;
  background-size: auto 100%;
  box-shadow: 0 0 80px rgba(72,96,255,.22), inset -80px -50px 110px rgba(0,0,0,.86);
  -webkit-mask-image: radial-gradient(circle, #000 0 58%, rgba(0,0,0,.96) 66%, rgba(0,0,0,.48) 73%, transparent 81%);
  mask-image: radial-gradient(circle, #000 0 58%, rgba(0,0,0,.96) 66%, rgba(0,0,0,.48) 73%, transparent 81%);
  animation: planet-surface 52s linear infinite;
  transition: transform 1s cubic-bezier(.2,.7,.2,1), filter 1s;
}

.portal-planet::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  content: "";
  mix-blend-mode: color;
}

.portal:hover .portal-planet {
  transform: translate(-5%, 2%) scale(1.06);
}

.portal-design:hover .planet-blue { filter: grayscale(.36) contrast(1.08) brightness(1.13); }
.portal-invisivel:hover .planet-warm { filter: sepia(.85) saturate(1.85) hue-rotate(350deg) brightness(1.12); }

.planet-blue {
  filter: grayscale(.42) contrast(1.05) brightness(1.08);
}

.planet-warm {
  filter: sepia(.82) saturate(1.65) hue-rotate(350deg) brightness(1.05);
  animation-direction: reverse;
}

.planet-blue::after { background: rgba(124,197,176,.78); }
.planet-warm::after { background: rgba(255,201,54,.5); }

.expansion {
  display: flex;
  align-items: center;
  min-height: 115vh;
  border-bottom: 1px solid var(--line);
}

.expansion-copy {
  position: relative;
  z-index: 2;
  width: min(64%, 900px);
}

.expansion-orbit {
  position: absolute;
  right: -10vw;
  width: min(65vw, 940px);
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  animation: future-orbit-spin 18s linear infinite;
  will-change: transform;
}

.future-ring {
  position: absolute;
  inset: 18%;
  border: 1px dashed rgba(255,255,255,.12);
  border-radius: 50%;
  animation: future-ring-spin 12s linear infinite reverse;
}

.future-dot {
  position: absolute;
  z-index: 2;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 0 30px white;
  animation: future-dot-pulse 2.6s ease-in-out infinite alternate;
}

.dot-one { top: 8%; left: 29%; background: var(--cyan); box-shadow: 0 0 32px var(--cyan); }
.dot-two { right: 8%; bottom: 27%; background: var(--coral); box-shadow: 0 0 32px var(--coral); }
.dot-three { bottom: 9%; left: 22%; background: var(--violet); box-shadow: 0 0 32px var(--violet); }

.contact {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100svh;
  background:
    radial-gradient(circle at 80% 35%, rgba(119,86,255,.2), transparent 25%),
    radial-gradient(circle at 94% 58%, rgba(255,104,78,.13), transparent 22%);
}

.contact-copy h2 {
  font-size: clamp(62px, 10.4vw, 166px);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 30px;
  align-items: center;
  margin: 30px 0 100px;
}

.primary-button {
  display: inline-flex;
  gap: 80px;
  align-items: center;
  justify-content: space-between;
  min-width: min(100%, 410px);
  padding: 21px 24px;
  border-radius: 999px;
  background: white;
  color: #08080b;
  font-size: 13px;
  text-transform: uppercase;
  transition: transform .25s, background .25s;
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--cyan);
  transform: translateY(-3px);
}

.contact-detail {
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  color: #c2c2ca;
  font-size: 13px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: #777781;
  font: 10px/1.2 "IBM Plex Mono", monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

footer img {
  width: 100px;
  filter: invert(1);
}

footer p {
  margin: 0;
}

footer > span {
  justify-self: end;
}

.reveal {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity .9s ease, transform .9s cubic-bezier(.22,.75,.18,1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes drift {
  to { transform: translate(-2%, 3%) rotate(3deg); }
}

@keyframes scan {
  0%, 100% { transform: translateX(-110%); }
  50% { transform: translateX(210%); }
}

@keyframes pulse {
  0% { opacity: .5; transform: translateY(-50%) scale(1); }
  100% { opacity: 0; transform: translateY(-50%) scale(1.7); }
}

@keyframes planet-surface {
  to { background-position: 200% center; }
}

@keyframes future-orbit-spin {
  to { transform: rotate(360deg); }
}

@keyframes future-ring-spin {
  to { transform: rotate(360deg); }
}

@keyframes future-dot-pulse {
  to { opacity: .62; filter: brightness(1.35); }
}

@media (max-width: 900px) {
  :root { --header-h: 76px; }
  .header-meta, .chapter-nav { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .brand img { width: 80px; }
  .chapter { padding-right: 24px; padding-left: 24px; }
  .hero { min-height: 190vh; }
  .hero-stage { align-items: flex-end; padding: 100px 24px 90px; }
  .hero-orbit { top: 9%; right: -32vw; width: 105vw; opacity: .88; }
  .hero-wordmark { top: 17vh; width: 94vw; }
  .hero-planet-wrap { bottom: -25vh; left: 58%; width: 125vw; }
  .hero-copy { width: min(74vw, 470px); padding-bottom: 0; }
  h1 { font-size: clamp(60px, 18vw, 105px); }
  h2 { font-size: clamp(48px, 13vw, 82px); }
  .scroll-marker { display: none; }
  .mission-data { right: 24px; bottom: 28px; }
  .statement { align-items: flex-end; padding-bottom: 80px; }
  .statement-copy { width: 100%; }
  .statement-space { inset: 0; opacity: .72; }
  .eclipse, .signal { top: 34%; left: -18%; width: 82vw; }
  .passage { min-height: 132vh; }
  .passage-copy { width: 88vw; }
  .passage-code { right: 24px; bottom: 24px; }
  .trajectory { min-height: 225vh; }
  .trajectory-stage { padding: 100px 24px 40px; }
  .trajectory-heading h2 { font-size: clamp(42px, 10vw, 72px); }
  .trajectory-track { top: 54%; right: 24px; left: 24px; }
  .trajectory-telemetry { top: 59%; right: 24px; }
  .steps { right: 24px; bottom: 4vh; left: 24px; grid-template-columns: 1fr 1fr; }
  .step { min-height: 190px; border-bottom: 1px solid rgba(255,255,255,.12); }
  .step:nth-child(2) { border-right: 0; }
  .step:nth-child(3) { padding-left: 0; }
  .step-number { margin-bottom: 65px; }
  .brand-portals { grid-template-columns: 1fr; }
  .portal { min-height: 720px; }
  .portal + .portal { border-top: 1px solid var(--line); border-left: 0; }
  .portal-planet { width: 85%; }
  .expansion { align-items: flex-end; padding-bottom: 90px; }
  .expansion-copy { width: 100%; }
  .expansion-orbit { top: 8%; right: -42vw; width: 110vw; }
  footer { grid-template-columns: 1fr auto; row-gap: 24px; }
  footer p { display: none; }
}

@media (max-width: 560px) {
  .header-cta { padding: 9px 13px; font-size: 10px; }
  .hero-intro, .statement-copy > p:last-child, .universe-intro > p:last-child, .expansion-copy > p:last-child, .contact-copy > p:last-child { font-size: 17px; }
  .steps { grid-template-columns: 1fr; }
  .trajectory { min-height: 260vh; }
  .trajectory-heading h2 { font-size: clamp(34px, 9.6vw, 54px); }
  .trajectory-track { top: 48%; }
  .trajectory-telemetry { top: 52%; }
  .steps { bottom: 2vh; }
  .step, .step + .step, .step:nth-child(3) { min-height: auto; padding: 12px 0 15px; border-right: 0; }
  .step-number { display: inline-block; width: 34px; margin: 0; }
  .step h3 { display: inline; font-size: 22px; }
  .step p { margin: 7px 0 0 34px; font-size: 13px; }
  .portal { min-height: 600px; padding: 28px 24px; }
  .portal-planet { top: 20%; right: -38%; width: 112%; }
  .portal-content img { max-height: 75px; }
  .contact-actions { align-items: stretch; flex-direction: column; }
  .primary-button { min-width: 0; }
  footer { grid-template-columns: 1fr; }
  footer > span { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .cursor-glow { display: none; }
  .space-canvas { opacity: .35; }
}