:root {
  color-scheme: dark;
  --night: oklch(0.14 0.035 275);
  --deep-night: oklch(0.085 0.025 280);
  --ink: oklch(0.96 0.015 95);
  --mist: oklch(0.76 0.025 265);
  --teal: oklch(0.77 0.14 175);
  --coral: oklch(0.69 0.19 35);
  --violet: oklch(0.62 0.2 305);
  --line: oklch(0.72 0.08 175 / 0.3);
  --display: "Faculty Glyphic", Georgia, serif;
  --body: "Atkinson Hyperlegible", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  background: var(--deep-night);
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-width: 320px;
  min-height: 100svh;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 20%, oklch(0.35 0.13 300 / 0.22), transparent 28rem),
    radial-gradient(circle at 14% 88%, oklch(0.42 0.1 175 / 0.14), transparent 25rem),
    var(--deep-night);
  font-family: var(--body);
}
button,
input {
  font: inherit;
}
button {
  color: inherit;
}
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 4px;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0.025;
  background: radial-gradient(circle at 20% 30%, oklch(1 0 0 / 0.5) 0 0.5px, transparent 0.7px) 0 0
    / 7px 9px;
}
.motes i {
  position: fixed;
  z-index: 2;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  pointer-events: none;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
  animation: drift 7s ease-in-out infinite alternate;
}
.motes i:nth-child(1) {
  left: 8%;
  top: 18%;
}
.motes i:nth-child(2) {
  left: 28%;
  top: 77%;
  animation-delay: -3s;
}
.motes i:nth-child(3) {
  left: 53%;
  top: 14%;
  animation-delay: -6s;
}
.motes i:nth-child(4) {
  left: 72%;
  top: 69%;
  animation-delay: -1s;
}
.motes i:nth-child(5) {
  left: 91%;
  top: 27%;
  animation-delay: -4s;
}
.motes i:nth-child(6) {
  left: 84%;
  top: 88%;
  animation-delay: -2s;
}
@keyframes drift {
  to {
    transform: translate(18px, -25px);
    opacity: 0.25;
  }
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: grid;
  grid-template-columns: 52px minmax(0, 430px) 52px;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  padding: 10px clamp(16px, 4vw, 56px);
  background: linear-gradient(to bottom, oklch(0.08 0.02 280 / 0.9), transparent);
}
.sigil {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--ink);
  text-decoration: none;
  font: 22px var(--display);
  border: 1px solid var(--line);
  clip-path: polygon(22% 0, 78% 0, 100% 22%, 100% 78%, 78% 100%, 22% 100%, 0 78%, 0 22%);
  background: oklch(0.16 0.05 280 / 0.82);
}
.journey {
  display: grid;
  grid-template-columns: 90px 1fr 42px;
  align-items: center;
  gap: 12px;
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.progress {
  height: 2px;
  background: oklch(1 0 0 / 0.18);
}
.progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--teal);
  box-shadow: 0 0 10px var(--teal);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.icon-button {
  width: 42px;
  height: 42px;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: oklch(0.16 0.04 280 / 0.7);
}
.icon-button[aria-pressed="true"] {
  color: var(--teal);
  border-color: var(--teal);
}

main {
  min-height: 100svh;
}
.screen {
  display: none;
  position: relative;
  min-height: 100svh;
  padding: 104px clamp(20px, 6vw, 96px) 48px;
  isolation: isolate;
}
.screen.is-active {
  display: grid;
  animation: reveal 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes reveal {
  from {
    opacity: 0;
    transform: scale(1.012);
    filter: blur(8px);
  }
}

.hero-screen {
  align-items: end;
  grid-template-columns: minmax(0, 700px) 1fr;
  overflow: hidden;
}
.hero-image {
  position: absolute;
  inset: 0;
  z-index: -3;
  background: url("hero.png") center 48% / cover no-repeat;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(
      90deg,
      oklch(0.055 0.02 280 / 0.94) 0%,
      oklch(0.07 0.02 280 / 0.75) 34%,
      transparent 72%
    ),
    linear-gradient(0deg, oklch(0.055 0.02 280 / 0.78), transparent 60%);
}
.hero-copy {
  align-self: center;
  max-width: 650px;
  padding-top: 40px;
}
.proclamation,
.chapter {
  color: var(--teal);
  font-weight: 700;
  font-size: clamp(12px, 1.2vw, 15px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1,
h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  line-height: 0.97;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
h1 {
  max-width: 700px;
  font-size: clamp(49px, 7vw, 90px);
}
h1 em,
h2 em {
  color: var(--coral);
  font-style: normal;
  text-shadow: 0 0 35px oklch(0.7 0.2 35 / 0.4);
}
.lede {
  max-width: 57ch;
  margin: 28px 0 12px;
  color: oklch(0.91 0.018 95);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.48;
  text-wrap: pretty;
}
.mission {
  color: var(--mist);
}
.mission strong {
  color: var(--ink);
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 30px;
}
.primary-button,
.secondary-button {
  min-height: 50px;
  padding: 13px 20px;
  cursor: pointer;
  border: 0;
  border-radius: 8px;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    filter 0.2s ease;
}
.primary-button {
  color: oklch(1 0 0);
  background: var(--coral);
  box-shadow: 0 6px 0 oklch(0.42 0.15 30);
}
.primary-button:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}
.primary-button:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 oklch(0.42 0.15 30);
}
.secondary-button {
  border: 1px solid var(--teal);
  background: transparent;
}
.text-button,
.hint-button {
  cursor: pointer;
  border: 0;
  color: var(--mist);
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.is-hidden {
  display: none !important;
}
.scroll-cue {
  position: absolute;
  right: clamp(20px, 6vw, 96px);
  bottom: 35px;
  margin: 0;
  color: oklch(0.85 0.02 95 / 0.65);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quest-screen {
  grid-template-columns: minmax(220px, 0.65fr) minmax(280px, 1.15fr) minmax(300px, 0.9fr);
  align-items: center;
  gap: clamp(24px, 5vw, 80px);
  max-width: 1500px;
  margin: auto;
}
.quest-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 18% 50%, oklch(0.4 0.14 175 / 0.22), transparent 28%),
    radial-gradient(circle at 85% 60%, oklch(0.35 0.14 305 / 0.17), transparent 30%);
}
.scene-mark {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-width: 360px;
  width: 100%;
  justify-self: center;
  color: var(--teal);
  font: clamp(80px, 14vw, 180px) var(--display);
  border: 1px solid var(--line);
  clip-path: polygon(22% 0, 78% 0, 100% 22%, 100% 78%, 78% 100%, 22% 100%, 0 78%, 0 22%);
  background: radial-gradient(circle, oklch(0.75 0.17 175 / 0.22), transparent 62%);
  text-shadow: 0 0 35px var(--teal);
}
.cipher-mark {
  color: var(--violet);
  text-shadow: 0 0 35px var(--violet);
  background: radial-gradient(circle, oklch(0.62 0.2 305 / 0.25), transparent 62%);
}
.stars-mark {
  color: oklch(0.82 0.12 255);
}
.shadow-mark {
  color: var(--coral);
}
.story-panel h2 {
  font-size: clamp(40px, 5vw, 70px);
}
.story-panel > p:not(.chapter),
blockquote {
  max-width: 58ch;
  color: var(--mist);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.55;
}
blockquote {
  margin: 28px 0 0;
  padding: 18px 0;
  border-block: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--display);
}
.puzzle-panel {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: oklch(0.13 0.04 280 / 0.86);
  backdrop-filter: blur(12px);
}
.puzzle-panel label {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
  font-weight: 700;
}
.rune-input {
  display: flex;
  align-items: center;
  min-height: 58px;
  margin-bottom: 12px;
  border: 1px solid oklch(0.75 0.05 270 / 0.5);
  border-radius: 6px;
  background: oklch(0.08 0.02 280 / 0.75);
}
.rune-input span {
  padding: 0 16px;
  color: var(--teal);
  font-size: 22px;
}
.rune-input input {
  width: 100%;
  min-width: 0;
  padding: 16px 16px 16px 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 20px;
}
.rune-input input::placeholder {
  color: oklch(0.66 0.02 270);
}
.puzzle-panel .primary-button {
  width: 100%;
}
.feedback {
  min-height: 23px;
  margin: 4px 0 15px;
  color: var(--mist);
}
.hint-button {
  display: block;
  margin: 20px auto 0;
}
.is-wrong {
  animation: shake 0.4s ease;
}
.is-wrong .feedback {
  color: oklch(0.82 0.14 35);
}
.is-correct {
  border-color: var(--teal);
  box-shadow: 0 0 20px oklch(0.77 0.14 175 / 0.18);
}
.is-correct .feedback {
  color: var(--teal);
}
@keyframes shake {
  25% {
    transform: translateX(-7px);
  }
  75% {
    transform: translateX(7px);
  }
}
.code-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.code-strip b {
  display: grid;
  place-items: center;
  width: 46px;
  height: 52px;
  border: 1px solid var(--violet);
  color: oklch(0.94 0.03 300);
  background: oklch(0.32 0.13 305 / 0.45);
  font-size: 20px;
}
.constellations {
  display: flex;
  gap: 26px;
  margin-top: 28px;
  color: oklch(0.7 0.07 255);
  font-size: 22px;
  letter-spacing: 0.35em;
}
.constellations span:last-child {
  transform: scaleX(-1);
}
.constellations i {
  color: var(--teal);
  font-style: normal;
  text-shadow: 0 0 12px var(--teal);
}

.finale-screen {
  place-items: center;
  overflow: hidden;
  text-align: center;
}
.finale-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(oklch(0.08 0.03 280 / 0.52), oklch(0.08 0.03 280 / 0.9)),
    url("hero.png") center / cover;
  filter: saturate(1.15);
}
.finale-glow {
  position: absolute;
  inset: 50% auto auto 50%;
  z-index: -1;
  display: grid;
  place-items: center;
  width: min(68vw, 700px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, oklch(0.73 0.18 35 / 0.34), transparent 62%);
}
.finale-glow span {
  color: oklch(0.98 0.08 85 / 0.16);
  font: min(42vw, 520px) var(--display);
}
.finale-copy {
  max-width: 850px;
}
.finale-copy h2 {
  font-size: clamp(48px, 7vw, 88px);
}
.finale-copy > p:not(.proclamation):not(.wish) {
  max-width: 65ch;
  margin: 26px auto;
  color: oklch(0.91 0.02 95);
  font-size: 19px;
  line-height: 1.5;
}
.wish {
  color: var(--teal);
  font: clamp(20px, 3vw, 30px) var(--display);
}
.lantern-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 13px;
  margin: 30px 0;
}
.lantern-row i {
  width: 16px;
  height: 24px;
  background: var(--coral);
  clip-path: polygon(24% 0, 76% 0, 100% 30%, 82% 100%, 18% 100%, 0 30%);
  box-shadow: 0 0 15px var(--coral);
  animation: lantern 1.7s ease-in-out infinite alternate;
}
.lantern-row i:nth-child(2n) {
  animation-delay: -0.6s;
}
@keyframes lantern {
  to {
    filter: brightness(1.45);
    transform: translateY(-4px);
  }
}

noscript {
  position: fixed;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  padding: 24px;
  background: var(--night);
}

@media (max-width: 920px) {
  .quest-screen {
    grid-template-columns: minmax(140px, 0.45fr) 1fr;
    align-content: center;
  }
  .puzzle-panel {
    grid-column: 1 / -1;
    width: min(100%, 620px);
    justify-self: center;
  }
  .scene-mark {
    max-width: 230px;
  }
  .hero-screen {
    grid-template-columns: 1fr;
  }
  .hero-image {
    background-position: 60% center;
  }
  .hero-vignette {
    background:
      linear-gradient(90deg, oklch(0.055 0.02 280 / 0.95), oklch(0.07 0.02 280 / 0.5) 75%),
      linear-gradient(0deg, oklch(0.055 0.02 280 / 0.85), transparent 70%);
  }
}

@media (max-width: 620px) {
  .topbar {
    grid-template-columns: 42px 1fr 42px;
    gap: 10px;
    padding-inline: 12px;
  }
  .sigil {
    width: 40px;
    height: 40px;
  }
  .journey {
    grid-template-columns: 1fr 35px;
  }
  .journey > span:first-child {
    display: none;
  }
  .screen {
    padding: 86px 18px 32px;
    min-height: 100svh;
  }
  .hero-screen {
    align-items: end;
    padding-bottom: 58px;
  }
  .hero-image {
    background-position: 64% center;
  }
  .hero-vignette {
    background: linear-gradient(
      0deg,
      oklch(0.055 0.02 280 / 0.98) 0%,
      oklch(0.055 0.02 280 / 0.66) 62%,
      oklch(0.055 0.02 280 / 0.18)
    );
  }
  h1 {
    font-size: clamp(47px, 15vw, 68px);
  }
  .lede {
    margin-top: 18px;
    font-size: 17px;
  }
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
    margin-top: 22px;
  }
  .scroll-cue {
    display: none;
  }
  .quest-screen {
    display: none;
    grid-template-columns: 1fr;
    gap: 22px;
    align-content: start;
  }
  .quest-screen.is-active {
    display: grid;
  }
  .scene-mark {
    width: 130px;
    font-size: 72px;
  }
  .story-panel h2 {
    font-size: clamp(38px, 12vw, 53px);
  }
  .story-panel > p:not(.chapter),
  blockquote {
    font-size: 16px;
  }
  .puzzle-panel {
    grid-column: auto;
    padding: 22px;
  }
  .constellations {
    gap: 12px;
    font-size: 16px;
    letter-spacing: 0.2em;
  }
  .finale-copy h2 {
    font-size: clamp(43px, 12vw, 62px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}