/* ─── Profile Hero ─────────────────────────────────────────────────── */
.profile-hero {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem 0;
  flex-wrap: wrap;
}

.profile-photo-placeholder {
  flex-shrink: 0;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--md-primary-fg-color);
  background: var(--md-primary-fg-color--light);
}

.profile-photo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-initials {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  background: var(--md-primary-fg-color);
}

.profile-intro {
  flex: 1;
  min-width: 260px;
}

/* ─── Expertise Grid ────────────────────────────────────────────────── */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.expertise-card {
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-left: 4px solid var(--md-primary-fg-color);
  border-radius: 6px;
  padding: 1rem 1.2rem;
  transition: box-shadow 0.2s ease;
}

.expertise-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.expertise-card h3 {
  font-size: 0.95rem;
  margin: 0 0 0.5rem 0;
  color: var(--md-primary-fg-color);
}

/* ─── Tools Grid ────────────────────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.tool-card {
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  padding: 1rem 1.2rem;
  transition: border-color 0.2s ease;
}

.tool-card:hover {
  border-color: var(--md-primary-fg-color);
}

.tool-card h3 {
  font-size: 0.95rem;
  margin: 0 0 0.5rem 0;
  color: var(--md-primary-fg-color);
}

/* ─── Contact Grid ──────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.contact-card {
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  padding: 1.2rem 1.4rem;
}

.contact-card h3 {
  font-size: 0.95rem;
  margin: 0 0 0.5rem 0;
  color: var(--md-primary-fg-color);
}

/* ─── General polish ────────────────────────────────────────────────── */
.md-typeset table:not([class]) th {
  background-color: var(--md-primary-fg-color);
  color: white;
}

@media (max-width: 600px) {
  .profile-hero {
    flex-direction: column;
    text-align: center;
  }
  .profile-photo-placeholder {
    margin: 0 auto;
  }
}