/* ============================================================
   AMIHAN — Case study page components
   Loaded after styles.css (uses its design tokens)
   ============================================================ */

/* ---------- Case study hero ---------- */
.cs-hero {
  position: relative;
  background: var(--ink);
  color: rgba(255,255,255,.82);
  padding: clamp(6rem, 12vw, 9.5rem) 0 clamp(3.5rem, 6vw, 5rem);
  overflow: hidden;
}
.cs-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(52% 44% at 82% 8%, rgba(217,119,87,.22), transparent 62%),
    radial-gradient(44% 40% at 8% 92%, rgba(20,50,245,.30), transparent 60%);
  pointer-events: none;
}
.cs-hero .container { position: relative; z-index: 1; }
.cs-hero h1 { color: #fff; max-width: 20ch; }
.cs-hero .lede { color: rgba(255,255,255,.68); max-width: 720px; }

.cs-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.62);
  margin: 0 0 1.2rem;
}
.cs-hero__tag .dot { margin: 0; }

/* ---------- Metrics band ---------- */
.cs-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: clamp(2.2rem, 4vw, 3.2rem);
}
.cs-metrics > div {
  background: var(--ink-2);
  padding: 1.5rem 1.4rem;
}
.cs-metrics strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: #fff;
}
.cs-metrics span {
  font-size: .82rem;
  color: rgba(255,255,255,.58);
  line-height: 1.45;
  display: block;
  margin-top: .3rem;
}

/* ---------- Model chips ---------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
}
.chips li {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  padding: .42rem .85rem;
  white-space: nowrap;
}
.chips li.chip--claude {
  border-color: rgba(217,119,87,.55);
  color: #EBB09B;
}

/* ---------- Client strip ---------- */
.cs-client {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2.5rem;
  padding: 1.6rem 0 0;
  font-size: .95rem;
  color: var(--muted);
}
.cs-client__logo {
  display: block;
  height: 2rem;
  width: auto;
}
.cs-client strong { color: var(--ink); }
.cs-client a { color: var(--blue); font-weight: 600; text-decoration: none; }
.cs-client a:hover { text-decoration: underline; }

/* ---------- Bottleneck cards ---------- */
.bottlenecks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.bottleneck {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.9rem 1.8rem;
}
.bottleneck__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--claude);
  display: block;
  margin-bottom: .9rem;
}
.bottleneck h3 { font-size: 1.12rem; }
.bottleneck p { color: var(--muted); font-size: .95rem; margin: 0; }

/* ---------- Before / after table ---------- */
.ba {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.ba th, .ba td {
  text-align: left;
  vertical-align: top;
  padding: 1.15rem 1.3rem;
  font-size: .95rem;
  line-height: 1.55;
}
.ba thead th {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--tint);
  border-bottom: 1px solid var(--line);
}
.ba tbody tr + tr td { border-top: 1px solid var(--line); }
.ba tbody th {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  width: 22%;
}
.ba td.ba__before { color: var(--muted); width: 39%; }
.ba td.ba__after { width: 39%; }
.ba td.ba__after strong { color: var(--blue); }
.ba .ba__delta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--blue);
  background: var(--tint-2);
  border-radius: 999px;
  padding: .2rem .6rem;
  margin-bottom: .45rem;
}

/* ---------- Fact grid (validation & adoption) ---------- */
.fact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.fact {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 1.7rem 1.6rem;
}
.fact strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: #fff;
  margin-bottom: .4rem;
}
.fact p { color: rgba(255,255,255,.62); font-size: .92rem; margin: 0; }

/* ---------- Press list ---------- */
.press-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .9rem 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.press-list a {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 1.05rem 1.2rem;
  text-decoration: none;
  font-size: .95rem;
  color: var(--text);
  transition: transform .18s ease, box-shadow .18s ease;
}
.press-list a:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.press-list a::after {
  content: "↗";
  margin-left: auto;
  color: var(--blue);
  font-size: .85rem;
}
.press-list .press-list__src {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- Claude partner band ---------- */
.claude-band {
  position: relative;
  background: var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  padding: clamp(2.2rem, 4vw, 3.2rem) clamp(1.8rem, 4vw, 3rem);
  color: rgba(255,255,255,.78);
}
.claude-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 90% at 88% 20%, rgba(217,119,87,.28), transparent 62%);
  pointer-events: none;
}
.claude-band .container-inner { position: relative; z-index: 1; }
.claude-band h2, .claude-band h3 { color: #fff; }
.claude-band .eyebrow { color: #EBB09B; }
.claude-band p { max-width: 720px; }

/* ---------- Case study footer nav ---------- */
.cs-more {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}
.cs-more a.cs-more__link {
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
}
.cs-more a.cs-more__link:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .cs-metrics { grid-template-columns: repeat(2, 1fr); }
  .bottlenecks, .fact-grid { grid-template-columns: 1fr; }
  .press-list { grid-template-columns: 1fr; }
  .ba, .ba thead, .ba tbody, .ba tr, .ba th, .ba td { display: block; }
  .ba thead { position: absolute; left: -9999px; }
  .ba tbody th { padding-bottom: 0; width: 100%; }
  .ba td { width: 100% !important; padding-top: .4rem; }
  .ba td.ba__before::before {
    content: "Before";
    display: block;
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: .2rem;
  }
  .ba td.ba__after::before {
    content: "After";
    display: block;
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: .2rem;
  }
  .ba td.ba__after { padding-bottom: 1.4rem; }
}