/* ============================================================
   CorvidSoft — holding page (obsidian brand; full site TBD)
   ============================================================ */
@font-face {
  font-family: "Geist Pixel";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/geist-pixel-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/ibm-plex-sans-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-500.woff2") format("woff2");
}

:root {
  --obsidian: #0b0c10;
  --display: #f5f5f2;
  --bone: #e6e6e0;
  --ash: #969ba6;
  --ash-dim: #686d78;
  --iris-violet: #6e5bf2;
  --iris-teal: #17b0a6;
  --iris-green: #37c871;
  --font-display: "Geist Pixel", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  min-height: 100dvh;
  background: var(--obsidian);
  color: var(--bone);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
svg {
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
:focus-visible {
  outline: 2px solid var(--iris-teal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ambient glow + film grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 45% at 50% 8%, rgba(110, 91, 242, 0.12), transparent 60%),
    radial-gradient(70% 50% at 50% 108%, rgba(23, 176, 166, 0.1), transparent 60%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* cover */
.cover {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  padding: 2rem 1.5rem;
}
.cover__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ash);
}
.cover__title {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-display);
  font-weight: 400; /* Geist Pixel is a single-weight bitmap face */
  font-size: clamp(2rem, 1rem + 5.5vw, 3.75rem);
  letter-spacing: 0;
  line-height: 1;
  color: var(--display);
}
.cover__mark {
  width: clamp(2rem, 6vw, 3rem);
  height: clamp(2rem, 6vw, 3rem);
  color: var(--bone);
}
.cover__tagline {
  max-width: 34ch;
  font-size: clamp(1.05rem, 1rem + 0.5vw, 1.25rem);
  color: var(--ash);
}
.cover__filum {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--bone);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 0.7rem 1.1rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.cover__filum:hover {
  border-color: var(--iris-teal);
  background: rgba(255, 255, 255, 0.03);
}
.cover__filum span {
  color: var(--iris-teal);
}

/* footer */
.cover__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ash-dim);
}
.cover__foot a {
  color: var(--ash);
  transition: color 0.2s ease;
}
.cover__foot a:hover {
  color: var(--bone);
}