/* Hero section */
.hero-section {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  padding: 2.5rem 0 2rem;
}

.hero-left { flex: 1; }

.hero-right { flex-shrink: 0; }

.hero-photo {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--md-primary-fg-color);
}

.hero-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: white;
  background: var(--md-primary-fg-color);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 0.75rem;
}

.hero-ctas {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 1.2rem;
}

/* Stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.5rem 0;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--md-code-bg-color);
  border-radius: 8px;
  padding: 1rem 0.5rem;
  gap: 0.3rem;
}

.stat-item p {
  margin: 0;
  line-height: 1;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--md-primary-fg-color);
  line-height: 1;
  display: block;
}

.stat-lbl {
  font-size: 0.72rem;
  color: var(--md-default-fg-color--light);
  text-align: center;
  display: block;
  line-height: 1.2;
}

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1rem 0;
}

.service-card {
  background: var(--md-code-bg-color);
  border-radius: 10px;
  padding: 1.25rem;
  border: 1px solid var(--md-default-fg-color--lightest);
}

.service-icon {
  font-size: 1.5rem;
  color: var(--md-primary-fg-color);
  display: block;
  margin-bottom: 0.5rem;
}

/* Social links section */
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--md-code-bg-color);
  border-radius: 10px;
}

.social-links img {
  transition: transform 0.2s ease;
}

.social-links a:hover img {
  transform: translateY(-2px);
}

/* Mobile responsive */
@media (max-width: 600px) {
  .hero-section { flex-direction: column-reverse; text-align: center; }
  .hero-ctas { justify-content: center; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .social-links { gap: 6px; padding: 0.8rem; }
}

/* ── Profile page ─────────────────────────────────── */

.profile-hero {
  display: flex;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0 1.5rem;
  border-bottom: 0.5px solid var(--md-default-fg-color--lightest);
  margin-bottom: 1.5rem;
}

.profile-hero-left {
  flex: 1;
}

.profile-hero-right {
  flex-shrink: 0;
}

.profile-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--md-primary-fg-color);
  display: block;
}

.profile-tagline {
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
  margin: 0.3rem 0 1.2rem;
  line-height: 1.6;
}

/* ── Education timeline ───────────────────────────── */

.timeline {
  border-left: 2px solid var(--md-primary-fg-color);
  margin: 1rem 0 1rem 1rem;
  padding-left: 1.5rem;
}

.timeline-item {
  position: relative;
  margin-bottom: 1.4rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.94rem;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--md-primary-fg-color);
}

.timeline-degree {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--md-default-fg-color);
}

.timeline-institution {
  font-size: 0.80rem;
  color: var(--md-default-fg-color--light);
  margin-top: 3px;
}

/* ── Expertise grid ───────────────────────────────── */

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.expertise-card {
  background: var(--md-code-bg-color);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--md-default-fg-color--lightest);
}

.expertise-card ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.82rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.8;
}

/* ── Closing quote ────────────────────────────────── */

.profile-quote {
  text-align: center;
  padding: 2rem 1rem;
  font-style: italic;
  color: var(--md-default-fg-color--light);
  border-top: 0.5px solid var(--md-default-fg-color--lightest);
  margin-top: 1rem;
}

.profile-quote strong {
  display: block;
  margin-top: 0.8rem;
  font-style: normal;
  color: var(--md-default-fg-color);
}

/* ── Mobile responsive (profile) ─────────────────── */

@media (max-width: 600px) {
  .profile-hero {
    flex-direction: column-reverse;
    text-align: center;
  }
  .profile-photo {
    margin: 0 auto;
  }
  .expertise-grid {
    grid-template-columns: 1fr;
  }
  .timeline {
    margin-left: 0.5rem;
  }
}

/* ── Machine Gnostics page ────────────────────────── */

.mg-hero {
  display: flex;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0 1.5rem;
  border-bottom: 0.5px solid var(--md-default-fg-color--lightest);
  margin-bottom: 1.5rem;
}

.mg-hero-text {
  flex: 1;
}

.mg-hero-logo {
  flex-shrink: 0;
}

.mg-logo {
  width: 120px;
  height: auto;
  display: block;
}

.mg-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--md-primary-fg-color);
  background: var(--md-code-bg-color);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 0.75rem;
}

.mg-tagline {
  font-size: 0.95rem;
  color: var(--md-default-fg-color--light);
  margin: 0.4rem 0 1.2rem;
  line-height: 1.7;
}

/* ── Origin story card ────────────────────────────── */

.mg-origin-card {
  background: var(--md-code-bg-color);
  border-left: 3px solid var(--md-primary-fg-color);
  border-radius: 0 10px 10px 0;
  padding: 1.2rem 1.4rem;
  margin: 1rem 0 1.5rem;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--md-default-fg-color);
}

/* ── Three pillars ────────────────────────────────── */

.mg-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.mg-pillar {
  background: var(--md-code-bg-color);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  font-size: 0.83rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.7;
}

.mg-pillar strong {
  display: block;
  font-size: 0.88rem;
  color: var(--md-default-fg-color);
  margin-bottom: 0.5rem;
}

/* ── Module cards ─────────────────────────────────── */

.mg-modules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.mg-module-card {
  background: var(--md-code-bg-color);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  font-size: 0.83rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.7;
}

.mg-module-card strong {
  display: block;
  font-size: 0.88rem;
  color: var(--md-default-fg-color);
  margin-bottom: 0.5rem;
}

.mg-module-card a {
  font-size: 0.82rem;
  color: var(--md-primary-fg-color);
  text-decoration: none;
}

/* ── Collaboration grid ───────────────────────────── */

.mg-collab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.mg-collab-card {
  background: var(--md-code-bg-color);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  font-size: 0.83rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.7;
}

.mg-collab-card strong {
  display: block;
  font-size: 0.88rem;
  color: var(--md-default-fg-color);
  margin-bottom: 0.4rem;
}

/* ── Acknowledgement block ────────────────────────── */

.mg-acknowledgement {
  background: var(--md-code-bg-color);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.8;
  margin-top: 1rem;
}

/* ── Mobile responsive ────────────────────────────── */

@media (max-width: 700px) {
  .mg-hero { flex-direction: column; text-align: center; }
  .mg-logo { margin: 0 auto; }
  .mg-pillars { grid-template-columns: 1fr; }
  .mg-modules { grid-template-columns: 1fr; }
  .mg-collab-grid { grid-template-columns: 1fr; }
}