/* ===== Subpage styles ===== */
.subpage .nav { background: rgba(250,247,241,.85); }

.sub-hero {
  padding: 80px 6vw 100px;
  text-align: center;
  background: radial-gradient(1000px 500px at 50% 0%, #fff6e3 0%, transparent 60%);
  position: relative;
}
.back-link {
  position: absolute; top: 30px; left: 6vw;
  font-size: 13px; color: #555; letter-spacing: 1px;
  transition: color .2s;
}
.back-link:hover { color: var(--accent); }
.back-link.bottom { position: static; display: inline-block; margin-top: 40px; }

.sub-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(48px, 10vw, 130px);
  font-weight: 400; margin: 20px 0 24px;
  line-height: 1; letter-spacing: -2px;
}
.sub-title em { font-style: italic; color: var(--accent); }
.sub-lead {
  max-width: 640px; margin: 0 auto;
  color: #444; font-size: 16px; line-height: 1.8;
}

.quick-stats {
  display: flex; gap: 50px; justify-content: center;
  margin-top: 50px; flex-wrap: wrap;
}
.quick-stats > div { text-align: center; }
.quick-stats strong {
  display: block; font-family: 'Playfair Display', serif;
  font-size: 42px; font-weight: 700; line-height: 1;
}
.quick-stats span {
  font-size: 11px; color: #888; letter-spacing: 2px; text-transform: uppercase;
  display: block; margin-top: 4px;
}

/* Tech stack */
.stack-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  max-width: 1100px; margin: 0 auto;
}
.stack-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
  transition: transform .25s, box-shadow .25s;
}
.stack-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.stack-card h4 { margin: 0 0 14px; font-size: 13px; letter-spacing: 3px; color: var(--accent); text-transform: uppercase; }
.stack-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.stack-card li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; color: #333;
  padding-left: 14px; position: relative;
}
.stack-card li::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 6px; height: 6px; background: #111; border-radius: 50%;
  transform: translateY(-50%);
}

/* Timeline */
.timeline {
  list-style: none; padding: 0; margin: 0 auto;
  max-width: 800px; position: relative;
}
.timeline::before {
  content: ''; position: absolute;
  left: 100px; top: 0; bottom: 0;
  width: 1px; background: var(--line);
}
.timeline li {
  display: grid; grid-template-columns: 100px 1fr;
  gap: 40px; padding: 24px 0; position: relative;
}
.timeline li::before {
  content: ''; position: absolute; left: 95px; top: 32px;
  width: 11px; height: 11px; border-radius: 50%;
  background: #fff; border: 2px solid #111;
}
.timeline .year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; color: #888; padding-top: 4px;
}
.timeline h4 { margin: 0 0 6px; font-size: 18px; }
.timeline p { margin: 0; color: #555; font-size: 14px; line-height: 1.7; }

/* Cases */
.cases {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
  max-width: 1100px; margin: 0 auto;
}
.case {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.case:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-thumb {
  aspect-ratio: 16/9;
  position: relative;
}
.case-thumb.c1 { background: linear-gradient(135deg, #ff6a3d, #ffd4a3); }
.case-thumb.c2 { background: linear-gradient(135deg, #111, #444); }
.case-thumb.c3 { background: linear-gradient(135deg, #6b8aff, #a3c0ff); }
.case-thumb.c4 { background: linear-gradient(135deg, #6bffa3, #d4ffe8); }
.case-thumb::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.3) 0 5%, transparent 6%),
              radial-gradient(circle at 70% 70%, rgba(255,255,255,.15) 0 8%, transparent 9%);
}
.case-body { padding: 24px 28px 28px; }
.case-tag {
  display: inline-block; font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}
.case h4 { margin: 0 0 10px; font-size: 20px; }
.case p { margin: 0 0 16px; color: #555; font-size: 14px; line-height: 1.7; }
.case-meta { list-style: none; padding: 0; margin: 0; display: flex; gap: 6px; flex-wrap: wrap; }
.case-meta li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; background: #f5f0e5; color: #555;
  padding: 4px 10px; border-radius: 999px;
}

/* Achievements */
.ach-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  max-width: 1100px; margin: 0 auto;
}
.ach {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px; text-align: center;
  transition: transform .25s, background .25s, color .25s;
}
.ach:hover { background: #111; color: #fff; transform: translateY(-4px); }
.ach:hover h4 { color: #fff; }
.ach:hover p { color: #aaa; }
.ach span { font-size: 36px; display: block; margin-bottom: 12px; }
.ach h4 { margin: 0 0 6px; font-size: 15px; color: #111; transition: color .2s; }
.ach p { margin: 0; font-size: 12px; color: #777; transition: color .2s; }

/* Quotes */
.quote-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  max-width: 1100px; margin: 0 auto;
}
.quote {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px 28px; margin: 0;
  position: relative;
}
.quote::before {
  content: '"'; font-family: 'Playfair Display', serif;
  font-size: 80px; color: var(--accent-2);
  position: absolute; top: -10px; left: 20px; line-height: 1;
}
.quote p { margin: 0 0 16px; color: #333; font-size: 15px; line-height: 1.7; }
.quote cite { font-style: normal; font-size: 12px; color: #888; letter-spacing: 1px; }

/* Sub CTA */
.sub-cta {
  padding: 100px 6vw; text-align: center;
  background: #111; color: #fff;
}
.sub-cta .big-name { color: #fff; }
.btn-pill.big {
  display: inline-block; margin-top: 30px;
  padding: 18px 40px; font-size: 14px; letter-spacing: 2px;
}
.sub-footer { padding: 40px 6vw; }

/* Subpage responsive */
@media (max-width: 900px) {
  .stack-grid, .ach-grid { grid-template-columns: repeat(2, 1fr); }
  .cases, .quote-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 0; }
  .timeline li { grid-template-columns: 1fr; gap: 8px; }
  .timeline li::before { display: none; }
  .quick-stats { gap: 24px; }
  .back-link { position: static; display: block; margin-bottom: 30px; }
}