@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("./assets/instrument-sans-latin-400.woff2") format("woff2");
}

:root {
  color-scheme: dark;
  --background: #09090d;
  --foreground: #f5f4f7;
  --muted: #bdbac6;
  --purple: #7a4e94;
  --cyan: #5fb8ba;
  font-family: "Instrument Sans", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { min-width: 280px; background: var(--background); }

body {
  margin: 0;
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  position: relative;
  isolation: isolate;
}

::selection { background: var(--purple); color: white; }

.space-viewport {
  position: fixed;
  z-index: -1;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  contain: paint;
}

.universe {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(9, 9, 13, .72) 0%, rgba(9, 9, 13, .52) 30%, rgba(9, 9, 13, .08) 100%),
    linear-gradient(0deg, rgba(9, 9, 13, .8) 0%, transparent 32%, rgba(9, 9, 13, .12) 75%, rgba(9, 9, 13, .65) 100%),
    url("./assets/space.webp");
  background-size: cover;
  background-position: center, center, 62% center;
  opacity: .95;
}

.page {
  min-height: 100svh;
  max-width: 1920px;
  margin-inline: auto;
  padding-inline: clamp(24px, 5.5vw, 104px);
  display: flex;
  flex-direction: column;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 44px;
  gap: 24px;
}

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--cyan); outline-offset: 8px; border-radius: 1px; }
.brand { display: block; width: 194px; }
.brand img { display: block; width: 100%; height: auto; }
.github { font-size: .875rem; color: var(--muted); padding-block: 8px; transition: color .2s; }
.github span { display: inline-block; margin-left: 12px; color: var(--cyan); }
.github:hover { color: var(--foreground); }

main {
  flex: 1;
  display: flex;
  align-items: center;
  padding-block: 88px 108px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .17em;
  color: #c5c1ce;
  margin: 0 0 36px;
}

.accent {
  width: 30px;
  height: 3px;
  flex-shrink: 0;
  background: linear-gradient(90deg, var(--purple) 50%, var(--cyan) 50%);
}

h1 {
  font-weight: 400;
  font-size: clamp(3.25rem, 7.4vw, 8.875rem);
  line-height: 1.08;
  letter-spacing: -.058em;
  margin: 0;
}

h1 span { display: block; }
.second-line { color: #c8c3d1; }
.description {
  max-width: 58rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
  letter-spacing: -.025em;
  margin: 38px 0 0;
  word-break: keep-all;
}

.description span { display: block; }

footer {
  border-top: 1px solid rgba(255, 255, 255, .14);
  display: flex;
  align-items: center;
  gap: 26px;
  padding-block: 27px 31px;
  color: var(--muted);
}

footer p { margin: 0; }
.footer-name { color: #dad7e0; font-size: .875rem; }
.copyright { font-size: .75rem; }
.copyright { margin-left: auto; }

@media (min-width: 1600px) { main { padding-block: 110px 150px; } }

@media (max-width: 600px) {
  .header { padding-block: 28px; }
  .brand { width: 156px; }
  main { padding-block: 88px 100px; }
  .eyebrow { font-size: .75rem; letter-spacing: .12em; margin-bottom: 28px; gap: 12px; }
  h1 { font-size: clamp(2.35rem, 8.4vw, 3.15rem); line-height: 1.16; letter-spacing: -.05em; }
  .description { margin-top: 30px; }
  .universe {
    background-image:
      linear-gradient(90deg, rgba(9, 9, 13, .48), rgba(9, 9, 13, .15)),
      linear-gradient(0deg, rgba(9, 9, 13, .85) 0%, transparent 40%, rgba(9, 9, 13, .72) 100%),
      url("./assets/space.webp");
    background-position: center, center, 64% center;
    opacity: .9;
  }
  footer { flex-wrap: wrap; column-gap: 16px; row-gap: 16px; padding-block: 23px 27px; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* Native scroll animation: one image layer, transform only, no scroll handler.
   Unsupported browsers and reduced-motion users keep the static one-screen site. */
@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .page { min-height: 145svh; }
    .space-scroll { height: 45svh; flex-shrink: 0; }
    .universe {
      inset: -7% 0;
      animation: space-drift linear both;
      animation-timeline: scroll(root block);
    }
  }
}

@keyframes space-drift {
  from { transform: translate3d(0, 4%, 0) scale(1); }
  to { transform: translate3d(0, -4%, 0) scale(1.06); }
}