.page-hero {
  padding: 140px 0 60px;
  border-bottom: 1px solid var(--sm-border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 25% 40%, var(--page-accent, rgba(99, 102, 241, 0.08)) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 75% 60%, var(--page-accent-2, rgba(45, 212, 191, 0.05)) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.25;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
  mix-blend-mode: overlay;
  pointer-events: none;
}
[data-page="portfolio"] .page-hero {
  --page-accent: rgba(45, 212, 191, 0.08);
  --page-accent-2: rgba(6, 182, 212, 0.05);
}
[data-page="tools"] .page-hero {
  --page-accent: rgba(139, 92, 246, 0.1);
  --page-accent-2: rgba(99, 102, 241, 0.06);
}
[data-page="opensource"] .page-hero {
  --page-accent: rgba(45, 212, 191, 0.08);
  --page-accent-2: rgba(139, 92, 246, 0.05);
}
.page-hero h1 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: -3px;
  line-height: 1;
  margin-bottom: 16px;
}
.page-hero-desc {
  font-size: 16px;
  color: var(--sm-muted);
  line-height: 1.7;
}
.page-content {
  padding: 60px 0;
}

.cv-intro {
  font-size: 15px;
  color: var(--sm-muted);
  line-height: 1.8;
  margin-top: -28px;
  margin-bottom: 40px;
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .project-grid { grid-template-columns: repeat(3, 1fr); }
}
.project-card {
  display: block;
  text-decoration: none;
}
.project-card .card { height: 100%; display: flex; flex-direction: column; }
.project-card-eyebrow {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.project-card-eyebrow[data-accent="teal"] { color: var(--sm-teal); }
.project-card-eyebrow[data-accent="gold"] { color: var(--sm-gold-glow); }
.project-card-eyebrow[data-accent="violet"] { color: var(--sm-violet-glow); }
.project-card-title {
  font-family: var(--f-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--sm-text);
  margin-bottom: 4px;
}
.project-card-role {
  font-size: 13px;
  color: var(--sm-muted);
  margin-bottom: 12px;
}
.project-card-desc {
  font-size: 13px;
  color: var(--sm-muted);
  line-height: 1.6;
  flex: 1;
}
.project-card-outcome {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--sm-border);
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--sm-teal-glow);
}

.talk-list { list-style: none; }
.talk-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--sm-border);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  align-items: start;
}
.talk-year {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--sm-faint);
  padding-top: 3px;
}
.talk-title {
  font-family: var(--f-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--sm-text);
  margin-bottom: 4px;
}
.talk-event {
  font-size: 13px;
  color: var(--sm-muted);
  margin-bottom: 6px;
}
.talk-desc {
  font-size: 13px;
  color: var(--sm-faint);
  line-height: 1.5;
}
.talk-badge {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 9px;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--sm-border);
  color: var(--sm-muted);
  margin-right: 6px;
}

.video-embed {
  margin-bottom: 48px;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--sm-surface);
}
.video-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.speaking-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 960px) {
  .speaking-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .speaking-grid { grid-template-columns: 1fr; }
}
.speaking-card {
  display: block;
  text-decoration: none;
  background: var(--sm-surface);
  border: 1px solid var(--sm-border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s, background 0.2s;
}
.speaking-card:hover {
  border-color: var(--sm-border-hover);
  background: var(--sm-surface-alt);
}
.speaking-card-badge {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--sm-surface-alt);
  color: var(--sm-gold-glow);
  margin-bottom: 12px;
}
.speaking-card-title {
  font-family: var(--f-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--sm-text);
  margin-bottom: 6px;
}
.speaking-card-event {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--sm-faint);
  margin-bottom: 10px;
}
.speaking-card-desc {
  font-size: 13px;
  color: var(--sm-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}
.speaking-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.speaking-card-tags .pill {
  font-size: 10px;
  padding: 2px 8px;
  text-decoration: none;
}

.oss-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.oss-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
}
.oss-badge {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.oss-badge-production { background: rgba(52,211,153,0.1); color: var(--sm-success); border: 1px solid rgba(52,211,153,0.2); }
.oss-badge-legacy { background: rgba(139,146,165,0.1); color: var(--sm-muted); border: 1px solid var(--sm-border); }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.tool-card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--sm-border);
}
.tool-card-stat {
  font-family: var(--f-mono);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--sm-surface-alt);
  color: var(--sm-muted);
}
.tool-card-stat[data-accent="teal"] { color: var(--sm-teal-glow); }
.tool-card-stat[data-accent="violet"] { color: var(--sm-violet-glow); }
.tool-card-stat[data-accent="gold"] { color: var(--sm-gold-glow); }

.tool-card-title {
  font-family: var(--f-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--sm-text);
}
.tool-card-tagline {
  font-size: 14px;
  color: var(--sm-muted);
  margin-bottom: 16px;
}
.tool-card-desc {
  font-size: 14px;
  color: var(--sm-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.tool-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 20px;
}
.tool-stat-value {
  font-family: var(--f-heading);
  font-size: 24px;
  font-weight: 700;
}
.tool-stat-value[data-accent="teal"] { color: var(--sm-teal-glow); }
.tool-stat-value[data-accent="violet"] { color: var(--sm-violet-glow); }
.tool-stat-value[data-accent="gold"] { color: var(--sm-gold-glow); }
.tool-stat-label {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--sm-faint);
  letter-spacing: 0.5px;
}
.tool-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.speaking-cta {
  padding: 80px 0;
}

@media (max-width: 768px) {
  .page-hero { padding: 100px 0 40px; text-align: center; }
  .page-hero-desc { margin: 0 auto; }
  .page-content { padding: 40px 0; }
  .cv-intro { text-align: center; margin-top: -12px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card { text-align: center; }
  .oss-card-header { justify-content: center; }
  .tool-card-stats { justify-content: center; }
  .tools-grid { grid-template-columns: 1fr; }
  .oss-grid { grid-template-columns: 1fr; }
  .speaking-grid { grid-template-columns: 1fr; }
  .speaking-card { text-align: center; }
  .speaking-card-tags { justify-content: center; }
  .talk-item { grid-template-columns: 1fr; gap: 4px; }
  .tool-stats { gap: 20px; flex-wrap: wrap; }
}