/* === Reset ================================================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--color-link); text-decoration: none; transition: color var(--fast); }
a:hover { color: var(--color-link-hover); }

::selection { background: var(--color-bg-sel); color: var(--color-fg-max); }

/* === Navigation =========================================================== */

#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-bg-sel);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: capitalize;

  & a {
    color: var(--color-fg-dim);
    padding: 0.25rem 0;
    position: relative;
  }

  & a i { margin-right: 0.3rem; }

  & a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--med);
  }

  & a:hover, & a.active { color: var(--color-fg-max); }
  & a:hover::after, & a.active::after { transform: scaleX(1); }
}

/* === Landing ============================================================== */

.landing {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
}

.landing canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0.3;
}

.landing-text {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 1.5rem;
}

.landing-title {
  font-size: clamp(1.4rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--color-fg-max);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.2rem;
  white-space: nowrap;
}

.landing-quote {
  font-size: clamp(0.75rem, 1.3vw, 0.9rem);
  color: var(--color-muted);
  font-style: italic;
  min-height: 1.5em;
  max-width: 40em;
  margin-inline: auto;
  cursor: pointer;
}

.landing-noscript {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* === Page Layout ========================================================== */

.page {
  max-width: var(--content-width);
  margin-inline: auto;
  padding: calc(var(--nav-height) + 3rem) 1.5rem 4rem;
}

.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-fg-max);
  margin-bottom: 2rem;
}

/* === Articles List ======================================================== */

.article-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.article-item {
  display: block;
  padding: 1.25rem 1rem;
  background: var(--color-bg);
  border-left: 2px solid transparent;
  transition: background var(--fast), border-color var(--fast);
  color: inherit;
}

.article-item:hover {
  background: var(--color-bg-alt);
  border-left-color: var(--color-accent);
}

.article-item-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-fg-bright);
  margin-bottom: 0.35rem;
}

.article-item-dates {
  font-size: 0.78rem;
  color: var(--color-muted);
}

.article-item-tags {
  margin-top: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}

.article-item-tags .badge {
  font-size: 0.68em;
  opacity: 0.85;
}

/* === Shared Components ==================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font);
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-bg-sel);
  background: var(--color-bg-alt);
  color: var(--color-fg-dim);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--fast);
}

.btn:hover {
  background: var(--color-bg-sel);
  color: var(--color-fg-max);
  border-color: var(--color-muted);
}

.btn-sm {
  padding: 0.35rem 0.5rem;
  font-size: 0.75rem;
}

.badge {
  display: inline-block;
  padding: 0.1em 0.5em;
  border-radius: var(--radius);
  font-size: 0.75em;
  font-weight: 600;
  text-transform: uppercase;
  vertical-align: middle;
  line-height: 1.4;
}

.badge-wip, .badge-tag { color: var(--color-bg); }
.badge-wip { background: var(--color-warn); }
.badge-tag { background: var(--color-accent); margin-right: 0.3em; }

/* === About ================================================================ */

.about-section {
  margin-bottom: 2rem;
  text-align: justify;

  & p, & ul { margin-bottom: 1rem; }
  & ul { margin-left: 1.5rem; }
  & .page-title { font-size: 1.2rem; margin-bottom: 1rem; }
}

.info-block {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-bg-sel);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1rem 0;
}

.license-block { overflow-x: auto; }
.crypto-block { position: relative; }

.license-block pre,
.crypto-block-value {
  font-size: 0.82rem;
  color: var(--color-fg-bright);
  line-height: 1.6;
}

.crypto-block-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.crypto-block-value {
  word-break: break-all;
  user-select: all;
  white-space: pre-wrap;
  padding-right: 2.5rem;
}

.crypto-block-copy {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

/* === Article Loader ======================================================= */

.article-loader {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4rem 0;
}

/* === States =============================================================== */

.error-state {
  text-align: center;
  padding: 4rem 1.5rem;
  color: var(--color-danger);
  font-size: 0.85rem;
}

/* === Responsive ============================================================ */

@media (max-width: 900px) {
  #site-nav { gap: 1.5rem; }
  #site-nav .nav-label { display: none; }
  #site-nav a i { margin-right: 0; }

  .page {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}