Squiggleverse/src/app.css

:root {
  color-scheme: dark;
  --color-bg-deep: #070014;
  --color-bg-space: #160030;
  --color-purple-dark: #2a0f56;
  --color-purple: #6b3fb3;
  --color-purple-light: #b58cff;
  --color-lavender: #f1e7ff;
  --color-white: #ffffff;
  --color-cyan-accent: #43d8ff;
  --font-copy: Nunito, Lexend, ui-sans-serif, system-ui, sans-serif;
  --glow-purple: 0 0 32px rgba(159, 95, 255, 0.45);
  --border-purple: rgba(190, 143, 255, 0.42);
  font-family:
    Atkinson Hyperlegible,
    Lexend,
    Nunito Sans,
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    Segoe UI,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-bg-deep);
  color: var(--color-white);
  text-rendering: optimizeLegibility;
}

img,
video {
  max-width: 100%;
}

a {
  color: inherit;
}

.landing-page {
  min-height: 100svh;
  position: relative;
  isolation: isolate;
  overflow: clip;
  background:
    radial-gradient(circle at 50% 0%, rgba(181, 140, 255, 0.22), transparent 34rem),
    linear-gradient(to bottom, rgba(7, 0, 20, 0.18), rgba(54, 0, 95, 0.38));
}

.landing-page::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: -8svh 0;
  background-image: url('/assets/squiggleverse-bg.webp');
  background-position: center top;
  background-size: cover;
  transform: translate3d(0, calc(var(--parallax-y, 0px) * -0.16), 0) scale(1.08);
  transform-origin: center top;
  will-change: transform;
}

.hero {
  width: min(1120px, 100%);
  min-height: 100svh;
  margin-inline: auto;
  padding: clamp(1.25rem, 4vw, 2.75rem) clamp(1rem, 3vw, 2rem) clamp(2rem, 6vw, 4rem);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.site-footer {
  position: relative;
  width: min(1120px, 100%);
  margin-inline: auto;
  padding: 0 clamp(1rem, 3vw, 2rem) clamp(1.4rem, 3vw, 2rem);
  text-align: center;
}

.site-footer p {
  margin: 0;
  color: rgba(241, 231, 255, 0.74);
  font-family: var(--font-copy);
  font-size: clamp(0.85rem, 1.3vw, 1rem);
  font-weight: 500;
  letter-spacing: 0;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.42);
}

.hero-logo {
  display: flex;
  justify-content: center;
  width: 100%;
}

.hero-logo img {
  width: min(720px, 88vw);
  height: auto;
  filter: drop-shadow(0 0 28px rgba(159, 95, 255, 0.45));
}

.video-card {
  width: min(940px, 92vw);
  margin: clamp(0.75rem, 2vw, 1.35rem) auto clamp(1.6rem, 3vw, 2.25rem);
  padding: clamp(0.45rem, 1vw, 0.75rem);
  border: 1px solid var(--border-purple);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(28, 10, 72, 0.78), rgba(12, 4, 38, 0.84));
  box-shadow:
    var(--glow-purple),
    inset 0 0 38px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
}

.video-card video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  background: #090019;
}

.intro {
  width: min(820px, 88vw);
  margin: 0 auto;
  text-align: center;
}

.intro p {
  margin: 0;
  color: var(--color-lavender);
  font-family: var(--font-copy);
  font-size: clamp(1.2rem, 2.2vw, 2rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.5);
}

.star-divider {
  width: min(24rem, 72vw);
  margin: clamp(1.45rem, 3vw, 2.1rem) auto 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.1rem;
  color: var(--color-purple-light);
}

.star-divider span {
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(181, 140, 255, 0.9), transparent);
  filter: drop-shadow(0 0 8px rgba(181, 140, 255, 0.7));
}

.star-divider strong {
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  line-height: 1;
  font-weight: 900;
  text-shadow:
    0 0 12px rgba(181, 140, 255, 0.9),
    0 0 28px rgba(159, 95, 255, 0.58);
}

.star-divider span:first-child {
  background: linear-gradient(90deg, transparent, rgba(181, 140, 255, 0.9));
}

.star-divider span:last-child {
  background: linear-gradient(90deg, rgba(181, 140, 255, 0.9), transparent);
}

:focus-visible {
  outline: 3px solid var(--color-cyan-accent);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.error-page {
  min-height: 100svh;
  display: grid;
  place-content: center;
  gap: 1rem;
  padding: 2rem;
  text-align: center;
  background: var(--color-bg-space);
}

.error-page h1,
.error-page p {
  margin: 0;
}

@media (max-width: 768px) {
  .landing-page::before {
    inset: -4svh 0;
    transform: translate3d(0, calc(var(--parallax-y, 0px) * -0.1), 0) scale(1.08);
  }

  .hero {
    padding-top: 1rem;
  }

  .hero-logo img {
    width: min(86vw, 520px);
  }

  .video-card {
    width: 92vw;
    border-radius: 18px;
  }

  .video-card video {
    border-radius: 12px;
  }

  .intro {
    width: min(34rem, 88vw);
  }

  .intro p {
    font-size: clamp(1.12rem, 5vw, 1.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .landing-page::before {
    transform: none;
    will-change: auto;
  }
}