@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Inter:wght@400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap");
@import "./tokens.css";
@import "./light-theme.css";

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  color-scheme: dark;
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-normal);
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9997;
  pointer-events: none;
  opacity: var(--grain-opacity);
  background-color: transparent;
  background-image: var(--grain-filter);
  background-repeat: repeat;
  background-size: var(--grain-size) var(--grain-size);
  mix-blend-mode: overlay;
  contain: strict;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  padding: 0;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

::selection {
  background: color-mix(in srgb, var(--signal) 28%, transparent);
  color: var(--fg);
}

:focus-visible {
  outline: 1px solid color-mix(in srgb, var(--signal) 70%, var(--fg));
  outline-offset: 3px;
}

#smooth-wrapper {
  position: relative;
  z-index: 1;
}

.type-display {
  font-family: var(--font-display);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  font-weight: 500;
}

.type-display--hero {
  font-size: var(--text-hero);
}

.type-display--xl {
  font-size: var(--text-4xl);
}

.type-display--lg {
  font-size: var(--text-3xl);
}

.type-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
}

.type-muted {
  color: var(--muted);
}

.spotlight,
[data-spotlight]:not(.bento__cell) {
  --mouse-x: 50%;
  --mouse-y: 50%;
  --mouse-opacity: 0;
  --spot-x: var(--mouse-x);
  --spot-y: var(--mouse-y);
  --spot-opacity: var(--mouse-opacity);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.spotlight::before,
[data-spotlight]:not(.bento__cell)::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
    var(--spotlight-fill-size) circle at var(--mouse-x) var(--mouse-y),
    color-mix(in srgb, var(--signal) calc(var(--spotlight-fill-alpha) * 100%), transparent),
    transparent 44%
  );
  opacity: calc(var(--mouse-opacity) * 1);
  transition: opacity var(--duration-base) var(--ease-spotlight);
}

.spotlight::after,
[data-spotlight]:not(.bento__cell)::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  padding: 1px;
  border-radius: inherit;
  background: radial-gradient(
    var(--spotlight-border-size) circle at var(--mouse-x) var(--mouse-y),
    rgba(255, 255, 255, calc(var(--mouse-opacity) * var(--spotlight-border-alpha))),
    color-mix(in srgb, var(--signal) calc(var(--mouse-opacity) * 32%), transparent) 28%,
    transparent 52%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: calc(var(--mouse-opacity) * 0.88 + 0.04);
  transition: opacity var(--duration-base) var(--ease-spotlight);
}

.spotlight--subtle {
  --spotlight-fill-alpha: 0.07;
  --spotlight-border-alpha: 0.32;
}

.spotlight--intense {
  --spotlight-fill-size: 720px;
  --spotlight-border-size: 520px;
  --spotlight-fill-alpha: 0.16;
  --spotlight-border-alpha: 0.62;
}

.surface-card {
  background: var(--bg-card);
  border: var(--border);
}

.surface-elevated {
  background: var(--bg-elevated);
  border: var(--border);
}

.hairline-top {
  border-top: 1px solid var(--line);
}

.hairline-bottom {
  border-bottom: 1px solid var(--line);
}

.hairline-y {
  border-block: 1px solid var(--line);
}

.section {
  position: relative;
  padding-block: var(--section-pad);
  scroll-margin-top: var(--header-offset);
}

.section__inner {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section__header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__header--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.section__index {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

.section__subtitle {
  max-width: 42ch;
  margin-top: 1rem;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--muted);
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  overflow: hidden;
  padding: 0.95rem 1.75rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition:
    border-color var(--duration-base) var(--ease-signal),
    color var(--duration-base) var(--ease-signal),
    box-shadow var(--duration-base) var(--ease-signal),
    background var(--duration-base) var(--ease-signal);
}

.btn--primary {
  background: var(--signal);
  color: var(--signal-ink);
  box-shadow: 0 0 0 0 var(--signal-glow);
}

.btn--primary:hover {
  box-shadow: 0 0 36px var(--signal-glow);
}

.btn--ghost {
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--bg-card) 72%, transparent);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  border-color: color-mix(in srgb, var(--signal) 55%, var(--line-strong));
  color: var(--signal);
}

.btn--outline {
  border-color: var(--line-strong);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.skip-link {
  position: absolute;
  top: 1rem;
  left: -9999px;
  z-index: 10001;
  padding: 0.75rem 1.25rem;
  background: var(--signal);
  color: var(--signal-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.skip-link:focus {
  left: 1rem;
}

.site-footer {
  padding: 3rem var(--gutter);
  border-top: 1px solid var(--line);
  background: var(--bg-elevated);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  align-items: start;
  max-width: var(--max);
  margin-inline: auto;
}

.site-footer__logo {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--signal);
}

.site-footer__brand p {
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--muted);
}

.site-footer__nav {
  display: flex;
  gap: 2rem;
}

.site-footer__nav a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--duration-base) var(--ease-signal);
}

.site-footer__nav a:hover {
  color: var(--signal);
}

.site-footer__copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--muted);
  text-align: right;
}

@media (max-width: 700px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .site-footer__nav {
    justify-content: center;
    flex-wrap: wrap;
  }

  .site-footer__copy {
    text-align: center;
  }

  .section__header--row {
    flex-direction: column;
    align-items: flex-start;
  }
}

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