/* ==========================================================================
   COMPONENTS — Gold Corners, About, Experience, Projects, Skills,
   Leadership, Contact
   Lines 620-1418 from styles.css
   ========================================================================== */

/* ---------- GOLD CORNER FRAMES ---------- */
/* Porcelain display-case framing on major cards */
.stat-card,
.project-card,
.leadership-card,
.interest-item {
  position: relative;
}

.stat-card::before,
.project-card::before,
.leadership-card::before,
.interest-item::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 20px;
  height: 20px;
  border-top: 1.5px solid var(--color-accent);
  border-left: 1.5px solid var(--color-accent);
  opacity: 0.5;
  transition: opacity var(--t-base) var(--ease-out), width var(--t-base) var(--ease-out), height var(--t-base) var(--ease-out);
  pointer-events: none;
  z-index: 2;
}

.stat-card::after,
.project-card::after,
.leadership-card::after,
.interest-item::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 20px;
  height: 20px;
  border-bottom: 1.5px solid var(--color-accent);
  border-right: 1.5px solid var(--color-accent);
  opacity: 0.5;
  transition: opacity var(--t-base) var(--ease-out), width var(--t-base) var(--ease-out), height var(--t-base) var(--ease-out);
  pointer-events: none;
  z-index: 2;
}

.stat-card:hover::before,
.project-card:hover::before,
.leadership-card:hover::before,
.interest-item:hover::before,
.stat-card:hover::after,
.project-card:hover::after,
.leadership-card:hover::after,
.interest-item:hover::after {
  opacity: 1;
  width: 28px;
  height: 28px;
}

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  margin-bottom: 1.2rem;
  font-size: 1.02rem;
  color: var(--color-text-secondary);
  transition: color var(--t-base) var(--ease-out);
}

.about-text p:first-child::first-letter {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  float: left;
  line-height: 1;
  margin-right: 0.6rem;
  margin-top: 0.05rem;
  color: var(--color-primary);
  font-weight: 700;
  transition: color var(--t-base) var(--ease-out);
}

[data-theme="dark"] .about-text p:first-child::first-letter {
  color: var(--color-accent);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1.8rem 1.2rem;
  text-align: center;
  box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.6), 0 4px 15px rgba(10, 25, 47, 0.05);
  /* Porcelain glaze */
  transition: transform var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    background-color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.8), 0 8px 30px rgba(10, 25, 47, 0.12);
}

[data-theme="dark"] .stat-card {
  box-shadow: inset 0 0 15px rgba(2, 12, 27, 0.4), 0 4px 15px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .stat-card:hover {
  box-shadow: inset 0 0 25px rgba(2, 12, 27, 0.6), 0 8px 30px rgba(0, 0, 0, 0.4);
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* ---------- EXPERIENCE ---------- */
.experience-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.tab-btn {
  padding: 0.6rem 1.8rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text-secondary);
  transition: all var(--t-base) var(--ease-out);
}

.tab-btn.active {
  background: var(--color-primary);
  color: #f5f0e8;
  border-color: var(--color-primary);
}

[data-theme="dark"] .tab-btn.active {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
}

.tab-btn:not(.active):hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-border), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

/* Diamond-shaped timeline markers */
.timeline-marker {
  position: absolute;
  left: -2.5rem;
  top: 0.35rem;
  width: 9px;
  height: 9px;
  background: var(--color-accent);
  border: 2px solid var(--color-bg-alt);
  margin-left: -4px;
  z-index: 1;
  transition: border-color var(--t-base) var(--ease-out);
  transform: rotate(45deg);
  border-radius: 1px;
}

.timeline-date {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.timeline-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-accent);
  border-radius: 2px 4px 4px 2px;
  padding: 1.5rem;
  box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.6), 0 4px 15px rgba(10, 25, 47, 0.05);
  /* Porcelain glaze */
  transition: transform var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    background-color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out);
}

.timeline-card:hover {
  transform: translateX(4px);
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.8), 0 8px 30px rgba(10, 25, 47, 0.12);
}

[data-theme="dark"] .timeline-card {
  box-shadow: inset 0 0 15px rgba(2, 12, 27, 0.4), 0 4px 15px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .timeline-card:hover {
  box-shadow: inset 0 0 25px rgba(2, 12, 27, 0.6), 0 8px 30px rgba(0, 0, 0, 0.4);
}

.timeline-card-header {
  margin-bottom: 0.8rem;
}

.timeline-card-header h3 {
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  transition: color var(--t-base) var(--ease-out);
}

.timeline-org {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: 0.15rem;
  transition: color var(--t-base) var(--ease-out);
}

[data-theme="dark"] .timeline-org {
  color: var(--color-accent-light);
}

.timeline-location {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.timeline-card ul {
  margin-top: 0.5rem;
}

.timeline-card li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.4rem;
  line-height: 1.6;
  transition: color var(--t-base) var(--ease-out);
}

.timeline-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border: 1px solid var(--color-accent);
  border-radius: 0;
  background: transparent;
  transform: rotate(45deg);
}

.timeline-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  transition: color var(--t-base) var(--ease-out);
}

/* Tags — porcelain chips */
.tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.28rem 0.7rem;
  border-radius: 2px;
  background: rgba(26, 58, 107, 0.06);
  color: var(--color-primary);
  margin: 0.2rem 0.15rem;
  border: 1px solid rgba(26, 58, 107, 0.08);
  transition: background-color var(--t-base) var(--ease-out),
    color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out);
}

[data-theme="dark"] .tag {
  background: rgba(197, 165, 90, 0.08);
  color: var(--color-accent-light);
  border-color: rgba(197, 165, 90, 0.15);
}

.timeline-tags {
  margin-top: 0.8rem;
}

/* ---------- PROJECTS ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.6), 0 4px 15px rgba(10, 25, 47, 0.05);
  /* Porcelain glaze */
  transition: transform var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    background-color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.8), 0 12px 40px rgba(10, 25, 47, 0.1);
}

[data-theme="dark"] .project-card {
  box-shadow: inset 0 0 15px rgba(2, 12, 27, 0.4), 0 4px 15px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .project-card:hover {
  box-shadow: inset 0 0 25px rgba(2, 12, 27, 0.6), 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* Top accent stripe — gradient like porcelain glaze edge */
.project-card-accent {
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-bright), var(--color-accent), var(--color-primary-bright));
}

.project-card-content {
  padding: 1.5rem;
}

.project-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.22rem 0.65rem;
  border-radius: 2px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  margin-bottom: 0.8rem;
}

.project-card h3 {
  font-size: 1.15rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.6rem;
  color: var(--color-text);
  transition: color var(--t-base) var(--ease-out);
}

.project-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  transition: color var(--t-base) var(--ease-out);
}

.todo-placeholder {
  font-style: italic;
  opacity: 0.6;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

/* ---------- SKILLS & CERTIFICATIONS ---------- */
.skills-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4rem;
  align-items: start;
}

.radar-chart-container {
  width: 320px;
  flex-shrink: 0;
}

.radar-chart {
  width: 100%;
  height: auto;
}

.radar-grid {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
}

.radar-axis {
  stroke: var(--color-border);
  stroke-width: 0.5;
}

.radar-data {
  fill: rgba(197, 165, 90, 0.12);
  stroke: var(--color-accent);
  stroke-width: 2;
  transition: fill var(--t-base) var(--ease-out);
}

[data-theme="dark"] .radar-data {
  fill: rgba(197, 165, 90, 0.18);
}

.radar-point {
  fill: var(--color-accent);
}

.radar-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  fill: var(--color-text-secondary);
  transition: fill var(--t-base) var(--ease-out);
}

.skills-categories {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.skill-category {
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  transition: background-color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out);
}

.skill-category h3 {
  font-size: 0.88rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-accent-dark);
  margin-bottom: 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border-gold);
  transition: color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out);
}

[data-theme="dark"] .skill-category h3 {
  color: var(--color-accent);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

/* Certifications Grid */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.cert-card {
  display: flex;
  flex-direction: column;
  padding: 1.2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: inset 0 0 12px rgba(255, 255, 255, 0.6), 0 2px 8px rgba(10, 25, 47, 0.03);
  /* Porcelain glaze */
  transition: transform var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    border-color var(--t-fast),
    background-color var(--t-base) var(--ease-out);
  text-decoration: none;
  position: relative;
}

/* Gold left edge on cert cards */
.cert-card::before {
  content: '';
  position: absolute;
  top: 8px;
  left: -1px;
  bottom: 8px;
  width: 2px;
  background: var(--color-accent);
  opacity: 0.4;
  transition: opacity var(--t-base) var(--ease-out);
}

a.cert-card:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 16px rgba(255, 255, 255, 0.8), 0 6px 20px rgba(10, 25, 47, 0.08);
  border-color: var(--color-border-gold);
}

a.cert-card:hover::before {
  opacity: 1;
}

[data-theme="dark"] .cert-card {
  box-shadow: inset 0 0 12px rgba(2, 12, 27, 0.4), 0 2px 8px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] a.cert-card:hover {
  box-shadow: inset 0 0 20px rgba(2, 12, 27, 0.6), 0 6px 20px rgba(0, 0, 0, 0.4);
}

.cert-issuer {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-vermillion);
  margin-bottom: 0.3rem;
}

.cert-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
  flex: 1;
  transition: color var(--t-base) var(--ease-out);
}

.cert-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* ---------- LEADERSHIP ---------- */
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.leadership-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1.5rem;
  box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.6), 0 4px 15px rgba(10, 25, 47, 0.05);
  /* Porcelain glaze */
  transition: transform var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    background-color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out);
}

.leadership-card:hover {
  transform: translateY(-3px);
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.8), 0 8px 30px rgba(10, 25, 47, 0.06);
}

[data-theme="dark"] .leadership-card {
  box-shadow: inset 0 0 15px rgba(2, 12, 27, 0.4), 0 4px 15px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .leadership-card:hover {
  box-shadow: inset 0 0 25px rgba(2, 12, 27, 0.6), 0 8px 30px rgba(0, 0, 0, 0.4);
}

.leadership-card-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--color-border-gold);
}

.leadership-card-top h3 {
  font-size: 1.15rem;
  letter-spacing: 0.03em;
  color: var(--color-text);
  transition: color var(--t-base) var(--ease-out);
}

.leadership-tenure {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-vermillion);
  white-space: nowrap;
  opacity: 0.85;
}

.leadership-role {
  margin-bottom: 0.8rem;
}

.leadership-role:last-child {
  margin-bottom: 0;
}

.leadership-role strong {
  font-size: 0.9rem;
  color: var(--color-text);
  transition: color var(--t-base) var(--ease-out);
}

.leadership-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 0.5rem;
}

.leadership-role p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-top: 0.3rem;
  transition: color var(--t-base) var(--ease-out);
}

/* Interests */
.interests-section {
  margin-top: 4rem;
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.interest-item {
  text-align: center;
  padding: 2rem 1.2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.6), 0 4px 15px rgba(10, 25, 47, 0.05);
  /* Porcelain glaze */
  transition: transform var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    background-color var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out);
}

.interest-item:hover {
  transform: translateY(-3px);
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.8), 0 8px 25px rgba(10, 25, 47, 0.06);
}

[data-theme="dark"] .interest-item {
  box-shadow: inset 0 0 15px rgba(2, 12, 27, 0.4), 0 4px 15px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .interest-item:hover {
  box-shadow: inset 0 0 25px rgba(2, 12, 27, 0.6), 0 8px 25px rgba(0, 0, 0, 0.4);
}

.interest-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(197, 165, 90, 0.08);
  border: 1px solid var(--color-border-gold);
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.interest-item h4 {
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  transition: color var(--t-base) var(--ease-out);
}

.interest-item p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  transition: color var(--t-base) var(--ease-out);
}

/* ---------- CONTACT ---------- */
.contact-content {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.contact-intro {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
  transition: color var(--t-base) var(--ease-out);
}

.contact-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1.8rem;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--t-base) var(--ease-out);
}

.contact-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(197, 165, 90, 0.15);
}

.contact-link svg {
  flex-shrink: 0;
  color: var(--color-accent);
}