/* ==========================================================================
   Dineshkumar S - Cybersecurity Portfolio Components
   ========================================================================== */

/* --------------------------------------------------------------------------
   Navigation Bar
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.75rem 0;
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-glow);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
  display: inline-block;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.6; }
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Switcher Button */
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-primary);
  color: #042f1a;
  box-shadow: 0 4px 14px var(--accent-primary-glow);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-primary-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-primary-glow);
  transform: translateY(-2px);
}

.btn-cyan {
  background: var(--accent-cyan-glow);
  color: var(--accent-cyan);
  border-color: var(--border-highlight);
}

.btn-cyan:hover {
  background: var(--accent-cyan);
  color: #042630;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   Hero Section & Profile Picture Component
   -------------------------------------------------------------------------- */
.hero {
  padding-top: 9rem;
  padding-bottom: 5rem;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: var(--accent-primary-glow);
  border: 1px solid var(--border-glow);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-roles {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  min-height: 32px;
}

.hero-bio {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-link:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px var(--accent-primary-glow);
}

/* Profile Picture Presentation */
.profile-card-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.profile-frame-outer {
  position: relative;
  width: 330px;
  height: 390px;
  border-radius: var(--radius-lg);
  padding: 8px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-cyan), var(--accent-purple));
  box-shadow: var(--shadow-glow), 0 20px 40px rgba(0, 0, 0, 0.4);
  animation: frame-glow 6s infinite ease-in-out;
}

@keyframes frame-glow {
  0%, 100% {
    box-shadow: 0 0 25px rgba(16, 185, 129, 0.3), 0 20px 40px rgba(0, 0, 0, 0.4);
  }
  50% {
    box-shadow: 0 0 35px rgba(6, 182, 212, 0.45), 0 20px 40px rgba(0, 0, 0, 0.4);
  }
}

.profile-frame-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: calc(var(--radius-lg) - 6px);
  overflow: hidden;
  background-color: var(--bg-surface);
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-normal);
}

.profile-card-wrapper:hover .profile-img {
  transform: scale(1.03);
}

.profile-status-badge {
  position: absolute;
  bottom: -16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  z-index: 2;
}

.status-dot-active {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
  animation: pulse-dot 1.8s infinite;
}

/* Floating Tech Pills */
.profile-pill {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
  z-index: 3;
}

.profile-pill-top {
  top: -15px;
  right: -20px;
  border-color: var(--border-glow);
  color: var(--accent-primary);
}

.profile-pill-bottom {
  bottom: 50px;
  left: -25px;
  border-color: var(--border-highlight);
  color: var(--accent-cyan);
}

/* Hero Stats Counter Bar */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4.5rem;
  padding: 1.75rem 2rem;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-subtle);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-primary);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Domain Pillars / Focus Cards
   -------------------------------------------------------------------------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.pillar-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.pillar-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary-glow);
  border: 1px solid var(--border-glow);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.pillar-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.pillar-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pillar-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Interactive Cyber Terminal
   -------------------------------------------------------------------------- */
.terminal-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #060910;
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-md), 0 0 30px rgba(16, 185, 129, 0.15);
}

.terminal-header {
  background: #0d1320;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.terminal-dots {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-close { background-color: #ef4444; }
.dot-min { background-color: #f59e0b; }
.dot-max { background-color: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.terminal-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  background: rgba(16, 185, 129, 0.15);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.terminal-body {
  padding: 1.5rem;
  min-height: 280px;
  max-height: 380px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #e2e8f0;
  line-height: 1.7;
}

.terminal-output {
  margin-bottom: 1rem;
}

.terminal-line {
  margin-bottom: 0.4rem;
  word-break: break-word;
}

.terminal-line.cmd-echo {
  color: var(--accent-cyan);
}

.terminal-line.success {
  color: var(--accent-primary);
}

.terminal-line.info {
  color: #93c5fd;
}

.terminal-line.warning {
  color: var(--accent-amber);
}

.terminal-line.prompt-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.terminal-prompt-prefix {
  color: var(--accent-primary);
  font-weight: 600;
}

.terminal-input {
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #f8fafc;
  flex: 1;
}

.terminal-suggestions {
  padding: 0.75rem 1.25rem;
  background: #080d16;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.suggestion-hint {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-right: 0.4rem;
}

.terminal-pill-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.terminal-pill-btn:hover {
  background: var(--accent-cyan);
  color: #042630;
}

/* --------------------------------------------------------------------------
   Featured Projects
   -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
}

/* Flagship Project Card (Wide) */
.project-card-featured {
  grid-column: span 12;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md), 0 0 30px rgba(16, 185, 129, 0.1);
}

.featured-glow-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-cyan));
}

.project-badge-featured {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: var(--accent-primary-glow);
  border: 1px solid var(--border-glow);
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.project-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.project-subtitle {
  font-size: 1.05rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.project-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.project-features-list {
  list-style: none;
  margin-bottom: 1.75rem;
}

.project-features-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.project-features-list li svg {
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--accent-cyan);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Secondary Projects (Grid) */
.project-card {
  grid-column: span 6;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md), var(--shadow-cyan-glow);
}

/* Architecture visual / mini preview box */
.project-preview-box {
  background: #070b14;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.preview-flow {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.flow-node {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flow-node.active-node {
  border-color: var(--border-glow);
  background: rgba(16, 185, 129, 0.08);
}

.flow-node-title {
  color: var(--text-primary);
  font-weight: 600;
}

.flow-node-badge {
  font-size: 0.72rem;
  color: var(--accent-primary);
}

/* --------------------------------------------------------------------------
   Experience & Internships Timeline
   -------------------------------------------------------------------------- */
.timeline-container {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  padding-left: 2.5rem;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 9px;
  height: calc(100% - 30px);
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-cyan), var(--border-subtle));
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

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

.timeline-marker {
  position: absolute;
  top: 6px;
  left: -2.5rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 3px solid var(--accent-primary);
  box-shadow: 0 0 12px var(--accent-primary);
  transition: all var(--transition-fast);
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.3);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px var(--accent-cyan);
}

.timeline-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-normal);
}

.timeline-card:hover {
  border-color: var(--border-glow);
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.timeline-role {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-primary);
  background: var(--accent-primary-glow);
  border: 1px solid var(--border-glow);
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-full);
}

.timeline-org {
  font-size: 1.05rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.timeline-bullets li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  padding-left: 1.5rem;
}

.timeline-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-primary);
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   Skills Matrix
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.skill-category-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-normal);
}

.skill-category-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.category-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary-glow);
  border: 1px solid var(--border-glow);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
}

.skill-chip:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-primary-glow);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Certifications & Education
   -------------------------------------------------------------------------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.cert-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  position: relative;
}

.cert-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cert-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.cert-badge-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
}

.status-in-progress {
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.status-completed {
  color: var(--accent-primary);
  background: var(--accent-primary-glow);
  border: 1px solid var(--border-glow);
}

.cert-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.cert-issuer {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Contact Section & Interactive Forms
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.contact-card:hover {
  border-color: var(--border-glow);
  transform: translateX(4px);
}

.contact-card-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.contact-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary-glow);
  border: 1px solid var(--border-glow);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.contact-card-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.copy-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Contact Message Form */
.contact-form {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Toast Notification */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-surface);
  border: 1px solid var(--accent-primary);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  z-index: 9999;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Resume Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 7, 14, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  padding: 1.5rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 850px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-md), 0 0 40px rgba(16, 185, 129, 0.2);
  padding: 2.5rem;
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--accent-red);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0;
  background: var(--bg-surface);
  margin-top: 3rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}

.footer-quote {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-bio {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-socials {
    justify-content: center;
  }

  .profile-card-wrapper {
    order: -1;
  }

  .profile-frame-outer {
    width: 270px;
    height: 320px;
  }

  .project-card-featured {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .project-card {
    grid-column: span 12;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
  }

  .nav-links.mobile-active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    box-shadow: var(--shadow-md);
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }

  .timeline-container {
    padding-left: 1.75rem;
  }

  .timeline-marker {
    left: -1.75rem;
    width: 16px;
    height: 16px;
  }
}

/* --------------------------------------------------------------------------
   Print & PDF Styling for Resume Export
   -------------------------------------------------------------------------- */
@media print {
  body {
    background: #ffffff !important;
    color: #111827 !important;
    font-size: 9.5pt !important;
    line-height: 1.4 !important;
  }

  .cyber-background-grid,
  .navbar,
  main > section,
  .footer,
  .toast-notification,
  .modal-close-btn,
  #printResumeBtn {
    display: none !important;
  }

  .modal-overlay {
    position: static !important;
    width: 100% !important;
    height: auto !important;
    background: transparent !important;
    backdrop-filter: none !important;
    display: block !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    padding: 0 !important;
    z-index: 1 !important;
  }

  .modal-content {
    background: #ffffff !important;
    color: #111827 !important;
    border: none !important;
    box-shadow: none !important;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    max-height: none !important;
    overflow: visible !important;
  }

  h2, h3, h4, strong {
    color: #0f172a !important;
  }

  h4 {
    font-size: 10.5pt !important;
    margin-bottom: 0.35rem !important;
    padding-bottom: 0.15rem !important;
    border-bottom: 1.5px solid #0284c7 !important;
  }

  p, li, span {
    color: #334155 !important;
    font-size: 9pt !important;
  }

  a {
    color: #0f172a !important;
    text-decoration: none !important;
  }

  @page {
    margin: 10mm 12mm;
    size: A4 portrait;
  }
}