:root {
  /* DESIGN FONT TRACE: IBM Plex Sans* Sans** readable narrative copy with a technical but human feel. Space Grotesk* Grotesk** */
  --violet: #160A2E;
  --sapphire: #102A6B;
  --emerald: #00C982;
  --amethyst: #8A4FFF;
  --ruby: #FF3D7F;
  --citrine: #FFD166;
  --ice: #D9FFF8;
  --display: "Monoton", "Space Grotesk", system-ui, sans-serif;
  --space: "Space Grotesk", system-ui, sans-serif;
  --body: "IBM Plex Sans", Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: radial-gradient(circle at 20% 10%, rgba(138, 79, 255, .28), transparent 32%), radial-gradient(circle at 80% 70%, rgba(16, 42, 107, .7), transparent 38%), var(--violet);
  color: var(--ice);
  font-family: var(--body);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image: linear-gradient(rgba(217, 255, 248, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(217, 255, 248, .035) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 78%);
}

.starfield {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(217, 255, 248, .6) 1px, transparent 1.7px), radial-gradient(circle, rgba(0, 201, 130, .45) 1px, transparent 1.6px), radial-gradient(circle, rgba(255, 61, 127, .5) 1px, transparent 1.5px);
  background-size: 120px 90px, 180px 150px, 240px 210px;
  background-position: 12px 18px, 80px 60px, 30px 140px;
  animation: starDrift 28s linear infinite;
}

.scanline {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(0, 201, 130, .08), transparent);
  height: 36vh;
  opacity: .55;
  animation: scanner 8s linear infinite;
  mix-blend-mode: screen;
}

.mission-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  padding: 24px clamp(18px, 4vw, 58px);
  color: var(--ice);
  font-family: var(--space);
  font-size: 12px;
  letter-spacing: .18em;
}

.section-nav { display: flex; gap: 22px; }
.section-nav a { color: var(--ice); text-decoration: none; opacity: .82; }

.underline-link { position: relative; }
.underline-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--emerald), transparent 70%);
  transform: scaleX(.18);
  transform-origin: left;
  transition: transform .45s ease, box-shadow .45s ease;
}
.underline-link:hover::after { transform: scaleX(1); box-shadow: 0 0 16px var(--emerald); }

.act {
  position: relative;
  min-height: 100vh;
  padding: 120px clamp(22px, 6vw, 92px);
  display: grid;
  align-items: center;
  isolation: isolate;
}

.hero-act { grid-template-columns: minmax(300px, 42vw) 1fr; gap: 48px; }
.hero-copy { position: relative; z-index: 3; }

.eyebrow {
  margin: 0 0 18px;
  color: var(--emerald);
  font-family: var(--space);
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.wordmark, .act-title {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  line-height: .95;
  letter-spacing: .025em;
  background: linear-gradient(100deg, var(--ice), var(--emerald) 24%, var(--citrine) 47%, var(--ruby) 68%, var(--amethyst));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 28px rgba(0, 201, 130, .18);
}

.wordmark { font-size: clamp(64px, 12vw, 164px); }
.act-title { font-size: clamp(42px, 8vw, 106px); }

.glitch-title { position: relative; }
.glitch-title::before, .glitch-title::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  opacity: .48;
}
.glitch-title::before { background-image: linear-gradient(90deg, var(--ruby), transparent); transform: translate(3px, -2px); animation: glitchA 3.2s steps(2) infinite; }
.glitch-title::after { background-image: linear-gradient(90deg, transparent, var(--emerald)); transform: translate(-3px, 2px); animation: glitchB 4.1s steps(2) infinite; }

.lead {
  max-width: 630px;
  color: rgba(217, 255, 248, .78);
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.55;
}

.scanner-stem { width: min(520px, 72vw); height: 34px; margin: 14px 0 24px; position: relative; overflow: visible; }
.scanner-stem span {
  display: block;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--emerald), var(--citrine), transparent);
  box-shadow: 0 0 24px var(--emerald);
  transform-origin: left;
  animation: drawStem 2.2s ease both, waveStem 5s ease-in-out 2.2s infinite;
}
.scanner-stem::after {
  content: "✦";
  position: absolute;
  right: -6px;
  top: -17px;
  color: var(--ruby);
  font-size: 28px;
  filter: drop-shadow(0 0 12px var(--ruby));
  animation: petalBlink 1.6s steps(2) infinite;
}

.constellation { position: relative; min-height: 420px; }
.radial-constellation .capsule { position: absolute; left: calc(42% + var(--x)); top: calc(42% + var(--y)); }

.capsule {
  --mx: 50%;
  --my: 50%;
  position: relative;
  padding: 22px;
  border: 1px solid rgba(217, 255, 248, .2);
  border-radius: 26px;
  background: radial-gradient(circle at var(--mx) var(--my), rgba(217, 255, 248, .18), transparent 26%), linear-gradient(135deg, rgba(16, 42, 107, .72), rgba(22, 10, 46, .78));
  box-shadow: inset 0 0 0 1px rgba(138, 79, 255, .18), 0 24px 80px rgba(0, 0, 0, .34), 0 0 38px rgba(138, 79, 255, .12);
  backdrop-filter: blur(18px);
  overflow: hidden;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.capsule::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent, color-mix(in srgb, var(--hue, var(--amethyst)) 32%, transparent), transparent);
  transform: translateX(-120%);
  animation: cardSweep 7s ease-in-out infinite;
}
.capsule:hover { border-color: var(--hue, var(--emerald)); box-shadow: 0 0 42px color-mix(in srgb, var(--hue, var(--emerald)) 46%, transparent), 0 28px 88px rgba(0, 0, 0, .38); }
.capsule h2, .capsule h3, .capsule p, .capsule span, .capsule div, .capsule i { position: relative; z-index: 1; }
.capsule h2, .capsule h3 { margin: 8px 0 12px; font-family: var(--space); line-height: 1.04; }
.capsule p { margin: 0; color: rgba(217, 255, 248, .76); line-height: 1.48; }
.capsule-kicker { display: block; color: var(--emerald); font-family: var(--space); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; }
.capsule-lg { width: 330px; min-height: 250px; }
.capsule-md { width: 250px; min-height: 190px; }
.capsule-sm { width: 210px; min-height: 150px; }
.tilt-left { transform: rotate(-4deg); }
.tilt-right { transform: rotate(5deg); }
.tilt-soft { transform: rotate(2deg); }
.tilt-left:hover, .tilt-right:hover, .tilt-soft:hover { transform: rotate(0) translateY(-8px); }

.rail, .wave-rail {
  display: block;
  height: 2px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--emerald), var(--ruby), transparent);
  transform-origin: left;
  animation: railDraw 3s ease-in-out infinite;
}

.blossom-glyph { height: 82px; margin: 18px 0; filter: drop-shadow(0 0 18px rgba(255, 61, 127, .6)); }
.blossom-glyph span {
  position: absolute;
  width: 44px;
  height: 64px;
  left: 54px;
  top: 26px;
  border-radius: 70% 10% 70% 10%;
  background: linear-gradient(135deg, var(--ruby), var(--amethyst));
  transform-origin: 32px 50px;
  animation: blossomSnap 3.8s steps(2) infinite;
}
.blossom-glyph span:nth-child(2) { transform: rotate(90deg); background: linear-gradient(135deg, var(--emerald), var(--ice)); }
.blossom-glyph span:nth-child(3) { transform: rotate(180deg); background: linear-gradient(135deg, var(--citrine), var(--ruby)); }
.blossom-glyph span:nth-child(4) { transform: rotate(270deg); background: linear-gradient(135deg, var(--amethyst), var(--emerald)); }

.particle-window { height: 82px; margin-top: 22px; border-radius: 18px; background: linear-gradient(90deg, rgba(255, 209, 102, .18), rgba(217, 255, 248, .06)); overflow: hidden; }
.particle-window b { position: absolute; width: 8px; height: 8px; background: var(--citrine); box-shadow: 0 0 16px var(--citrine); animation: pollen 4s linear infinite; }
.particle-window b:nth-child(1) { left: 18%; top: 66%; animation-delay: -.3s; }
.particle-window b:nth-child(2) { left: 45%; top: 42%; animation-delay: -1.2s; background: var(--emerald); }
.particle-window b:nth-child(3) { left: 68%; top: 72%; animation-delay: -2.1s; background: var(--ruby); }
.particle-window b:nth-child(4) { left: 82%; top: 34%; animation-delay: -3s; background: var(--ice); }

.act-heading { align-self: end; max-width: 900px; }
.diagonal-act { padding-top: 160px; }
.diagonal-constellation { display: grid; grid-template-columns: 1.2fr .8fr .7fr; gap: 28px; align-items: center; transform: rotate(-4deg); }
.diagonal-constellation .capsule { transform: rotate(4deg); }
.wide { min-height: 280px; --hue: var(--ruby); }
.tall { min-height: 380px; --hue: var(--emerald); }
.diamond { min-height: 230px; transform: rotate(49deg) !important; --hue: var(--amethyst); }
.diamond > * { transform: rotate(-49deg); display: block; }

.slice-flower { height: 90px; margin-top: 24px; }
.slice-flower span { position: absolute; left: 44px; width: 160px; height: 24px; border-radius: 999px; background: var(--ruby); mix-blend-mode: screen; animation: rgbSlice 2.4s steps(2) infinite; }
.slice-flower span:nth-child(2) { top: 44px; background: var(--emerald); animation-delay: -.3s; }
.slice-flower span:nth-child(3) { top: 74px; background: var(--amethyst); animation-delay: -.6s; }
.dash-field { height: 180px; margin-top: 18px; background-image: repeating-linear-gradient(90deg, var(--emerald) 0 20px, transparent 20px 34px); background-size: 100% 16px; mask-image: linear-gradient(180deg, transparent, black 20%, black 80%, transparent); animation: dashRise 4s linear infinite; }

.grid-act { background: radial-gradient(circle at 74% 28%, rgba(255, 61, 127, .12), transparent 35%); }
.compact { margin-bottom: 28px; }
.jewel-grid { display: grid; grid-template-columns: 1.1fr .8fr 1fr; grid-auto-rows: minmax(150px, auto); gap: 20px; }
.jewel-grid .capsule:nth-child(1) { grid-row: span 2; --hue: var(--emerald); }
.jewel-grid .capsule:nth-child(3) { grid-column: span 1; grid-row: span 2; }
.accent-ruby { --hue: var(--ruby); }
.accent-citrine { --hue: var(--citrine); }
.accent-emerald { --hue: var(--emerald); }
.accent-amethyst { --hue: var(--amethyst); }
.prism { width: 120px; height: 120px; margin: 22px auto 0; clip-path: polygon(50% 0, 100% 78%, 0 78%); background: linear-gradient(135deg, var(--ice), var(--citrine), var(--ruby), var(--amethyst)); opacity: .8; animation: prismTurn 6s ease-in-out infinite; }

.horizon-act { overflow: hidden; align-content: center; }
.horizon-band {
  position: absolute;
  left: -8vw;
  right: -8vw;
  bottom: 18vh;
  height: 5px;
  background: linear-gradient(90deg, transparent, var(--emerald), var(--citrine), var(--ruby), transparent);
  box-shadow: 0 0 44px var(--citrine), 0 80px 120px rgba(255, 209, 102, .22);
  transform-origin: left;
  animation: horizonOpen 5s ease-in-out infinite;
}
.final-copy { max-width: 900px; z-index: 2; }
.horizon-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; min-height: auto; margin-top: 54px; }
.horizon-card { min-height: 145px; --hue: var(--citrine); }

.season-index {
  position: fixed;
  right: clamp(18px, 4vw, 58px);
  bottom: 30px;
  z-index: 31;
  padding: 13px 16px;
  border: 1px solid rgba(217, 255, 248, .18);
  border-radius: 18px;
  background: rgba(22, 10, 46, .62);
  backdrop-filter: blur(14px);
  font-family: var(--space);
  text-align: right;
}
.season-index span { display: block; color: var(--emerald); font-size: 10px; letter-spacing: .18em; }
.season-index strong { font-size: 12px; letter-spacing: .1em; color: var(--ice); }

.is-visible .capsule, .is-visible .act-title { animation-play-state: running; }

@keyframes scanner { from { transform: translateY(-45vh); } to { transform: translateY(120vh); } }
@keyframes starDrift { to { background-position: 132px 108px, -100px 210px, 270px 350px; } }
@keyframes drawStem { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes waveStem { 50% { filter: hue-rotate(40deg); clip-path: polygon(0 35%, 20% 35%, 24% 0, 30% 70%, 38% 40%, 100% 40%, 100% 65%, 0 65%); } }
@keyframes petalBlink { 50% { transform: translate(8px, -3px); color: var(--citrine); } }
@keyframes glitchA { 20% { transform: translate(-2px, 2px); clip-path: inset(10% 0 65% 0); } 22%, 100% { transform: translate(3px, -2px); clip-path: none; } }
@keyframes glitchB { 30% { transform: translate(4px, 1px); clip-path: inset(58% 0 18% 0); } 32%, 100% { transform: translate(-3px, 2px); clip-path: none; } }
@keyframes cardSweep { 0%, 65% { transform: translateX(-120%); } 82%, 100% { transform: translateX(120%); } }
@keyframes railDraw { 0% { transform: scaleX(0); opacity: .35; } 45% { transform: scaleX(1); opacity: 1; } 58% { clip-path: polygon(0 0, 18% 0, 18% 100%, 26% 100%, 26% 0, 54% 0, 54% 100%, 70% 100%, 70% 0, 100% 0, 100% 100%, 0 100%); } 100% { transform: scaleX(1); opacity: .55; } }
@keyframes blossomSnap { 50% { translate: 6px -2px; filter: hue-rotate(55deg); } }
@keyframes pollen { from { transform: translateY(56px) rotate(0); opacity: 0; } 35% { opacity: 1; } to { transform: translateY(-92px) rotate(180deg); opacity: 0; } }
@keyframes rgbSlice { 50% { transform: translateX(26px) skewX(-16deg); } }
@keyframes dashRise { to { background-position: 0 -64px; } }
@keyframes prismTurn { 50% { transform: rotate(8deg) scale(1.08); filter: hue-rotate(45deg); } }
@keyframes horizonOpen { 0% { transform: scaleX(.12); } 55%, 100% { transform: scaleX(1); } }

@media (max-width: 900px) {
  .mission-bar { align-items: flex-start; gap: 16px; }
  .section-nav { display: none; }
  .hero-act { grid-template-columns: 1fr; }
  .radial-constellation .capsule { position: relative; left: auto; top: auto; margin: 16px 0; }
  .diagonal-constellation, .jewel-grid, .horizon-cards { grid-template-columns: 1fr; transform: none; }
  .diagonal-constellation .capsule, .diamond { transform: none !important; }
  .diamond > * { transform: none; }
  .act { padding: 110px 22px; }
  .season-index { left: 22px; right: auto; text-align: left; }
}