/* VectorOS — manifest page.
   Sits on top of colors_and_type.css, landing.css, landing-v2.css, pages.css.
   Hero is shared via pages.css (.page-hero). This file only owns the
   articles list and any manifest-specific blocks. */

/* =========================================================================
   ARTICLES — vertical stack with hairline separators
   ========================================================================= */
.articles-section {
  padding: 96px 0 64px;
  background: var(--bg-0);
}
.articles-head {
  margin-bottom: 56px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
}
@media (max-width: 800px) {
  .articles-head { grid-template-columns: 1fr; gap: 16px; }
}
.articles-head .k {
  font-family: var(--font-mono);
  font-size: var(--t-label);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--fg-3);
}
.articles-head .v {
  font-family: var(--font-sans);
  font-weight: var(--w-light);
  font-size: 22px;
  line-height: 1.45;
  color: var(--fg-2);
  max-width: 56ch;
  margin: 0;
}

/* Hero's border-bottom already draws the rule above the articles list,
   so the list itself doesn't need a top border — avoids a doubled hairline. */
.articles {}

.article {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding: 56px 0 64px;
  border-bottom: var(--border-subtle);
  position: relative;
}
.article:last-child { border-bottom: 0; }
@media (max-width: 800px) {
  .article { grid-template-columns: 1fr; gap: 20px; padding: 40px 0 44px; }
}

.article__rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: var(--t-label);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
}
.article__id {
  font-size: 13px;
  color: var(--fg-1);
  font-weight: 500;
}
.article__cat { color: var(--fg-3); }

.article__body {
  max-width: 64ch;
}
.article__title {
  font-family: var(--font-sans);
  font-weight: var(--w-light);
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--fg-1);
  margin: 0 0 24px;
  text-wrap: balance;
}
.article__title em { font-style: normal; color: var(--accent); }
.article__copy {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-2);
  margin: 0 0 14px;
  text-wrap: pretty;
}
.article__copy:last-child { margin-bottom: 0; }
.article__copy strong { color: var(--fg-1); font-weight: 500; }

/* Featured / accent article — orange tick at top-left edge */
.article.is-feature::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 24px; height: 2px; background: var(--accent);
}

/* =========================================================================
   CLOSING — full-viewport statement
   ========================================================================= */
.closing-full {
  position: relative;
  min-height: 100vh;
  background: var(--bg-0);
  border-top: var(--border-subtle);
  border-bottom: var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 96px 32px;
  overflow: hidden;
}
.closing-full__grat {
  position: absolute; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right,  var(--line-1) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-1) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}
.closing-full__inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  width: 100%;
  text-align: left;
}
.closing-full__tick {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 40px;
}
.closing-full__line1,
.closing-full__line2 {
  font-family: var(--font-sans);
  font-weight: var(--w-light);
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
}
.closing-full__line1 { color: var(--fg-1); }
.closing-full__line2 {
  color: var(--fg-3);
  margin-top: 14px;
}