@import url("https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500&display=swap");

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: #f4f1ea;
  color: #0a0a0a;
  font-family: 'Geist', system-ui, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}
::selection { background: #0a0a0a; color: #f7f0e6; }
a { color: inherit; text-decoration: none; }

.cs-wrap { max-width: 1280px; margin: 0 auto; padding: 0 48px; }

/* nav */
.cs-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 48px;
  background: rgba(244,241,234,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(10,10,10,0.06);
}
.cs-nav .logo {
  display: inline-flex; align-items: baseline; gap: 4px;
  font-family: 'Geist', sans-serif; font-weight: 700; font-size: 20px; letter-spacing: -0.02em;
}
.cs-nav .logo .tag {
  font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; color: #0a0a0a;
}
.cs-back {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 10px 18px; border: 1px solid rgba(10,10,10,0.18); border-radius: 999px;
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
}
.cs-back:hover { background: #0a0a0a; color: #f4f1ea; border-color: #0a0a0a; transform: translateX(-2px); }
.cs-back .arr { font-family: 'Instrument Serif', serif; font-size: 18px; }

/* eyebrow row */
.cs-eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase;
  color: #6b665c;
  margin-top: 96px;
}
.cs-eyebrow .num { color: #0a0a0a; font-family: 'JetBrains Mono', monospace; }
.cs-eyebrow .line { flex: 1; max-width: 80px; height: 1px; background: rgba(10,10,10,0.18); }

/* hero */
.cs-hero { padding: 0 0 92px; border-bottom: 1px solid rgba(10,10,10,0.1); }
.cs-hero h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(56px, 7vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin-top: 28px;
  max-width: 1100px;
  text-wrap: pretty;
}
.cs-hero h1 .it { font-style: italic; }
.cs-hero h1 .accent { color: #0a0a0a; font-style: italic; }
.cs-hero .meta {
  display: flex; flex-wrap: wrap; gap: 36px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(10,10,10,0.1);
}
.cs-hero .meta .cell { display: flex; flex-direction: column; gap: 6px; }
.cs-hero .meta .l {
  font-size: 11px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: #807c72;
}
.cs-hero .meta .v {
  font-family: 'Instrument Serif', serif; font-size: 24px; letter-spacing: -0.01em;
}
.cs-hero .meta .v .it { font-style: italic; }

/* intro lede */
.cs-lede {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px;
  padding: 96px 0;
  border-bottom: 1px solid rgba(10,10,10,0.1);
}
.cs-lede .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: #6b665c;
}
.cs-lede p {
  font-family: 'Instrument Serif', serif;
  font-size: 30px; line-height: 1.32; letter-spacing: -0.005em; font-weight: 400;
  max-width: 720px;
  text-wrap: pretty;
}
.cs-lede p .it { font-style: italic; }

/* visual block (placeholder) */
.cs-visual {
  margin: 96px 0;
  height: 540px;
  border-radius: 24px;
  background:
    repeating-linear-gradient(135deg, rgba(244,241,234,0.06) 0 1px, transparent 1px 14px),
    linear-gradient(135deg, #1c1c1c 0%, #2a2a2a 50%, #121212 100%);
  position: relative;
  overflow: hidden;
  color: #f4f1ea;
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: 36px 40px;
}
.cs-visual::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(80% 60% at 70% 30%, rgba(244,241,234,0.10), transparent 70%);
  pointer-events: none;
}
.cs-visual .brand {
  font-family: 'Geist', sans-serif; font-size: 24px; font-weight: 700; letter-spacing: -0.01em;
  position: relative; z-index: 1;
}
.cs-visual .placeholder {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(244,241,234,0.7);
  border: 1px solid rgba(244,241,234,0.25);
  padding: 8px 14px;
  border-radius: 999px;
  position: relative; z-index: 1;
}

/* stats strip */
.cs-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(10,10,10,0.1);
  border-bottom: 1px solid rgba(10,10,10,0.1);
}
.cs-stat { padding: 56px 36px; border-right: 1px solid rgba(10,10,10,0.1); }
.cs-stat:last-child { border-right: none; }
.cs-stat .v {
  font-family: 'Instrument Serif', serif;
  font-size: 64px; line-height: 1; letter-spacing: -0.02em;
  color: #0a0a0a;
}
.cs-stat .l {
  margin-top: 14px;
  font-size: 12px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: #4a463e;
}

/* body */
.cs-body {
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 80px;
  padding: 96px 0;
  border-bottom: 1px solid rgba(10,10,10,0.1);
}
.cs-body h3 {
  font-family: 'Instrument Serif', serif;
  font-size: 36px; line-height: 1.1; letter-spacing: -0.01em; font-weight: 400;
  max-width: 360px;
}
.cs-body h3 .it { font-style: italic; }
.cs-body .copy {
  display: flex; flex-direction: column; gap: 24px;
  font-size: 17px; line-height: 1.65; color: #2a2620; max-width: 680px;
  font-weight: 300;
}
.cs-body .copy strong { font-weight: 500; color: #0a0a0a; }

/* outro / next */
.cs-next {
  padding: 96px 0 120px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: end;
}
.cs-next h2 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(40px, 4vw, 64px);
  line-height: 1.02; letter-spacing: -0.02em; font-weight: 400;
}
.cs-next h2 .it { font-style: italic; color: #0a0a0a; }
.cs-next .actions {
  display: flex; gap: 12px; flex-wrap: wrap;
}
.cs-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 26px;
  font-size: 13px; font-weight: 500; letter-spacing: 0.04em;
  border-radius: 999px;
  transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.cs-btn.primary { background: #0a0a0a; color: #f4f1ea; }
.cs-btn.primary:hover { background: #2a2620; transform: translateY(-2px); }
.cs-btn.ghost { border: 1px solid rgba(10,10,10,0.22); }
.cs-btn.ghost:hover { background: #0a0a0a; color: #f4f1ea; border-color: #0a0a0a; transform: translateY(-2px); }
.cs-btn .arr { font-family: 'Instrument Serif', serif; font-size: 18px; }

footer.cs-foot {
  border-top: 1px solid rgba(10,10,10,0.1);
  padding: 32px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: #6b665c; letter-spacing: 0.04em;
}

@media (max-width: 900px) {
  .cs-wrap { padding: 0 22px; }
  .cs-nav { padding: 20px 22px; }
  .cs-lede, .cs-body, .cs-next { grid-template-columns: 1fr; gap: 32px; padding: 64px 0; }
  .cs-stats { grid-template-columns: 1fr; }
  .cs-stat { border-right: none; border-bottom: 1px solid rgba(10,10,10,0.1); padding: 36px 0; }
  .cs-stat:last-child { border-bottom: none; }
  .cs-visual { height: 360px; padding: 24px; margin: 64px 0; }
  .cs-hero .meta { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 480px) {
  .cs-wrap { padding: 0 16px; }
  .cs-hero { padding-top: 96px; padding-bottom: 56px; }
  .cs-hero h1 { font-size: clamp(34px, 9vw, 56px); }
  .cs-hero .meta { grid-template-columns: 1fr; gap: 18px; }
  .cs-hero .meta .l { font-size: 11px; }
  .cs-lede, .cs-body, .cs-next { padding: 48px 0; gap: 24px; }
  .cs-lede p, .cs-body .copy p { font-size: 16px; }
  .cs-stat { padding: 28px 0; }
  .cs-visual { height: 240px; padding: 18px; margin: 44px 0; border-radius: 18px; }
  .cs-next h2 { font-size: clamp(28px, 8vw, 40px); }
  .cs-btn { padding: 12px 18px; font-size: 13px; }
  .cs-foot { flex-direction: column; align-items: flex-start; gap: 8px; font-size: 12px; padding: 24px 0 36px; }
}

/* ============================================================
   Two-column reading layout (desktop): article text runs full width on the
   left, with a compact thumbnail pinned to a right rail so the page uses the
   right-hand space instead of a big thumbnail block up top.
   ============================================================ */
@media (min-width: 901px) {
  .cs-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    column-gap: 56px;
    align-items: start;
  }
  .cs-wrap > *:not(.cs-visual) { grid-column: 1; min-width: 0; }
  .cs-visual {
    grid-column: 2;
    grid-row: 1 / span 99;
    align-self: start;
    position: sticky;
    top: 100px;
    margin: 0;
    width: 100%;
    max-width: none;
    height: auto;
    aspect-ratio: 4 / 5;
  }
}