/* -------------------------------------------------------------
   ABOUT PAGE SPECIFIC STYLES (Tharun R Portfolio)
   Maintains the responsive elegant educational timelines & credentials
   ------------------------------------------------------------- */

/* About Layout Grid */
.about-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 40px;
  align-items: start;
}

/* Profile Left Panel */
.about-profile {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  position: sticky;
  top: 24px;
}

.about-avatar-card {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-avatar-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px dashed var(--primary);
  animation: rotateClockwise 25s infinite linear;
}

.about-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 2.5rem;
  z-index: 2;
  box-shadow: var(--shadow-md);
}

.about-avatar-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.15;
  filter: blur(15px);
  -webkit-filter: blur(15px);
  z-index: 1;
}

.about-quick-info {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 24px 0;
}

.quick-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.quick-info-item svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.quick-info-item span {
  word-break: break-all;
}

.full-width {
  width: 100%;
}

/* About Content Right Panel */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.about-bio {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.about-bio h2 {
  font-size: 1.8rem;
  color: var(--text-main);
  margin-bottom: 20px;
}

.about-bio p {
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.about-bio p:last-child {
  margin-bottom: 0;
}

/* Education TIMELINE Specifics */
.education-block {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.education-block h2 {
  font-size: 1.8rem;
  color: var(--text-main);
  margin-bottom: 30px;
}

.edu-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding-left: 20px;
}

.edu-timeline::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border-color);
}

.edu-item {
  position: relative;
  padding-left: 24px;
}

.edu-dot {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--surface-base);
  border: 3px solid var(--border-color);
}

.edu-dot-primary { border-color: var(--primary); }
.edu-dot-accent { border-color: var(--secondary); }
.edu-dot-muted { border-color: var(--text-light); }

.edu-degree {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.edu-school {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.edu-meta {
  display: flex;
  gap: 12px;
  align-items: center;
}

.edu-year {
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg-app);
  color: var(--text-muted);
  padding: 3px 10px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
}

.edu-cgpa {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
}

/* Achievements Section */
.achievements-section {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 30px;
}

.achievement-group {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.achieve-group-title {
  font-size: 1.35rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.achieve-icon {
  font-size: 1.5rem;
}

.achieve-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.achieve-card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.achieve-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.achieve-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.achieve-rank {
  font-size: 1.6rem;
}

.achieve-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 2px;
}

.achieve-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.achieve-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 30px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.achieve-badge.gold { background: rgba(252, 211, 77, 0.15); color: #B45309; }
.achieve-badge.blue { background: var(--primary-glow); color: var(--primary); }
.achieve-badge.purple { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); }
.achieve-badge.green { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }

.highlight-card-gold {
  border-color: rgba(251, 191, 36, 0.3) !important;
  box-shadow: 0 4px 20px rgba(251, 191, 36, 0.08) !important;
}

/* Certifications Grid */
.certs-section {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.cert-card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition-normal);
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(68, 82, 254, 0.08);
}

.cert-icon {
  font-size: 1.8rem;
}

.cert-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  flex-grow: 1;
}

.cert-issuer {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-glow);
  padding: 3px 10px;
  border-radius: 30px;
  width: fit-content;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .about-profile {
    position: static;
  }
}

@media (max-width: 768px) {
  .achievements-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-profile {
    position: static;
    padding: 28px 20px;
  }

  .about-bio {
    padding: 24px 20px;
  }

  .about-bio h2 {
    font-size: 1.5rem;
  }

  .education-block {
    padding: 24px 20px;
  }

  .education-block h2 {
    font-size: 1.5rem;
  }

  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .achieve-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .achieve-badge {
    align-self: flex-start;
  }
}

@media (max-width: 480px) {
  .certs-grid {
    grid-template-columns: 1fr;
  }

  .cert-card {
    padding: 16px;
  }
}


/* YouTube Channel Section */
.youtube-section {
  padding: 80px 0;
  border-top: 1px solid var(--border-color);
  background: linear-gradient(180deg, transparent, var(--bg-app));
}

.youtube-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
}

.youtube-card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.youtube-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  background: rgba(239, 68, 68, 0.1);
  border-radius: 50%;
  filter: blur(40px);
  z-index: 1;
}

.yt-logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: #EF4444; /* YouTube Red */
  font-size: 1.1rem;
}

.yt-logo-badge svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.youtube-card h3 {
  font-size: 1.8rem;
  color: var(--text-main);
  line-height: 1.2;
}

.youtube-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.yt-stats {
  display: flex;
  gap: 30px;
  margin: 10px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.yt-stat-item {
  display: flex;
  flex-direction: column;
}

.yt-stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text-main);
}

.yt-stat-label {
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.yt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #EF4444;
  color: #FFFFFF;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.yt-btn:hover {
  background: #DC2626;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* Video Wrapper */
.youtube-video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  background: #000;
}

.youtube-video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 992px) {
  .youtube-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .youtube-card {
    padding: 30px;
  }
}