/* ==========================================================================
   PALAKURLA SHIVAKUMAR - CYBERSECURITY PORTFOLIO
   Component Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Navigation Bar
   -------------------------------------------------------------------------- */
.navbar-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-color var(--transition-normal);
  padding: 1rem 0;
  border-bottom: 1px solid transparent;
}

.navbar-wrapper.scrolled {
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.7rem 0;
  box-shadow: var(--shadow-sm);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  border: 1px solid rgba(15, 23, 42, 0.1);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  position: relative;
  box-shadow: 0 12px 20px rgba(29, 78, 216, 0.18);
}

.logo-badge span {
  position: relative;
  z-index: 1;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-role {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--accent-sky);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.62rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  letter-spacing: 0.01em;
  position: relative;
}

.nav-link:hover {
  color: var(--accent-cyan);
  background: rgba(37, 99, 235, 0.04);
  border-color: rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

.nav-link.active {
  color: #ffffff;
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 10px 18px rgba(29, 78, 216, 0.18);
}

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

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   2. Buttons & Micro-CTAs
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: linear-gradient(135deg, #111827 0%, #1d4ed8 52%, #3b82f6 100%);
  color: #ffffff;
  box-shadow: 0 16px 32px rgba(29, 78, 216, 0.18);
  border-color: rgba(15, 23, 42, 0.1);
}

.btn-primary:hover {
  box-shadow: 0 18px 38px rgba(29, 78, 216, 0.22);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  background: #f8fbff;
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.10);
  transform: translateY(-2px);
}

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

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.82rem;
}

/* --------------------------------------------------------------------------
   3. Hero Section Components
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--header-height) + 1.4rem);
  padding-bottom: 2.5rem;
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 2.2rem;
  align-items: center;
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.52rem 0.92rem;
  border-radius: 999px;
  background: rgba(29, 78, 216, 0.04);
  border: 1px solid rgba(29, 78, 216, 0.12);
  color: #1d4ed8;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 1rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 2s infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.08em;
  margin-bottom: 1.2rem;
  color: var(--text-primary);
  text-transform: uppercase;
}

.hero-title-accent {
  display: block;
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 55%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(1.08rem, 1.7vw, 1.45rem);
  font-weight: 700;
  color: var(--text-accent);
  margin-bottom: 1.35rem;
  line-height: 1.4;
}

.hero-description {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.4rem;
  max-width: 620px;
}

.hero-quote {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-muted);
  border-left: 2px solid var(--accent-cyan);
  padding-left: 1rem;
  margin-bottom: 1.8rem;
  font-style: italic;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.8rem;
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border-subtle);
}

.social-label {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.social-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-icon-link:hover {
  background: rgba(37, 99, 235, 0.06);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.social-icon-link svg {
  width: 18px;
  height: 18px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-surface {
  width: 100%;
  max-width: 430px;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(244,247,255,0.9));
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 28px;
  padding: 1.4rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
  animation: floatCard 7s ease-in-out infinite;
}

.hero-surface::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.05), transparent 40%, rgba(148,163,184,0.04));
  pointer-events: none;
}

.surface-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.surface-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.surface-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(16, 185, 129, 0.08);
  color: #047857;
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 999px;
  padding: 0.32rem 0.65rem;
  font-size: 0.68rem;
  font-weight: 700;
}

.surface-status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 2s infinite;
}

.hero-photo-frame {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 0.8 / 1.05;
  border-radius: 30px;
  overflow: hidden;
  margin: 0 auto 1.2rem;
  background: linear-gradient(180deg, #ffffff 0%, #f4f7ff 100%);
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 26px 54px rgba(15, 23, 42, 0.12);
}

.hero-photo-frame.photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f1f5ff 0%, #e9f1ff 100%);
}

.hero-photo-frame.photo-placeholder::before {
  content: 'Speaker Photo';
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(15, 23, 42, 0.45);
  text-transform: uppercase;
}

.hero-photo-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  background: #ffffff;
  filter: contrast(1.08) saturate(0.9) brightness(1);
  transform: scale(1.04);
}

.hero-photo-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(15, 23, 42, 0.52);
  color: rgba(255, 255, 255, 0.96);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.52rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(10px);
}

.surface-stack {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.4rem;
}

.surface-pill {
  padding: 0.55rem 0.8rem;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 0.76rem;
  font-weight: 600;
}

.surface-metric-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.mini-stat {
  background: rgba(248, 250, 255, 0.94);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 18px;
  padding: 1rem 0.9rem;
  text-align: center;
}

.mini-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--accent-cyan);
  margin-bottom: 0.45rem;
}

.mini-stat span {
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   4. Credibility Strip Banner
   -------------------------------------------------------------------------- */
.credibility-banner {
  background: rgba(255, 255, 255, 0.72);
  border-top: 1px solid rgba(148,163,184,0.18);
  border-bottom: 1px solid rgba(148,163,184,0.18);
  padding: 2.2rem 0;
  position: relative;
  z-index: 1;
  backdrop-filter: blur(8px);
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.credibility-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem;
}

.cred-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.cred-icon-box svg {
  width: 24px;
  height: 24px;
}

.cred-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.cred-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   5. About Section & Pillar Cards
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 3.5rem;
}

.about-intro-text {
  font-size: 1.15rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.about-body-text {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.about-highlights-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
}

.highlight-icon {
  color: var(--accent-cyan);
  margin-top: 2px;
  flex-shrink: 0;
}

.highlight-text-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.highlight-text-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Stats Metrics Card Group */
.stats-showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
  position: relative;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.stat-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 12px rgba(37, 99, 235, 0.08);
}

.stat-number-wrap {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  color: var(--accent-cyan);
  line-height: 1.1;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.stat-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-card-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   6. Experience Timeline
   -------------------------------------------------------------------------- */
.timeline-wrap {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 0 0.5rem;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 54px;
  width: 2px;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.2) 0%, rgba(37, 99, 235, 0.65) 22%, rgba(37, 99, 235, 0.28) 100%);
}

.timeline-card-item {
  position: relative;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.25rem;
  align-items: start;
  margin-bottom: 2.2rem;
}

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

.timeline-node {
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  border: 4px solid #ffffff;
  box-shadow: 0 0 0 1px rgba(29, 78, 216, 0.25), 0 12px 20px rgba(29, 78, 216, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  margin-top: 0.8rem;
  margin-left: 39px;
}

.timeline-node::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.22);
}

.timeline-card {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.99), rgba(246,249,254,0.95));
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 22px;
  padding: 1.8rem 1.6rem 1.6rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.05);
  overflow: hidden;
}

.timeline-card::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, #1d4ed8 0%, #60a5fa 100%);
}

.timeline-card:hover {
  border-color: rgba(37, 99, 235, 0.2);
  box-shadow: 0 22px 44px rgba(15, 23, 42, 0.08);
  transform: translateY(-3px);
}

.timeline-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.85rem;
  padding-left: 0.3rem;
}

.timeline-role-title {
  font-family: var(--font-display);
  font-size: 1.38rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.timeline-badge-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.34rem 0.75rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.10), rgba(96, 165, 250, 0.08));
  border: 1px solid rgba(29, 78, 216, 0.15);
  color: var(--accent-cyan);
  font-weight: 700;
}

.timeline-org {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.93rem;
  font-weight: 700;
  color: var(--accent-sky);
  margin-bottom: 1rem;
  padding-left: 0.3rem;
}

.timeline-org svg {
  width: 16px;
  height: 16px;
}

.timeline-desc {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
  padding-left: 0.3rem;
}

.timeline-bullets {
  list-style: none;
  margin-bottom: 1.2rem;
  padding-left: 0.3rem;
}

.timeline-bullets li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 0.55rem;
  line-height: 1.58;
}

.timeline-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-size: 0.9rem;
  font-weight: 700;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-left: 0.3rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   7. Expertise Section Grid
   -------------------------------------------------------------------------- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.expertise-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.expertise-card:hover {
  border-color: var(--border-active);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad-cyan-blue);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.expertise-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.expertise-icon-wrap svg {
  width: 26px;
  height: 26px;
}

.expertise-category-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.expertise-category-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.expertise-skills-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: auto;
}

.expertise-skill-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-primary);
  padding: 0.4rem 0.6rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
}

.expertise-skill-pill svg {
  color: var(--accent-cyan);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   8. Key Achievements & Recognitions
   -------------------------------------------------------------------------- */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1.6rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.achievement-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 12px rgba(37, 99, 235, 0.08);
}

.achievement-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  align-self: flex-start;
}

.achievement-card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.achievement-card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.achievement-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.verify-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.verify-link svg {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------------------------
   9. Certifications Showcase (Search & Filter)
   -------------------------------------------------------------------------- */
.cert-controls-wrap {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.cert-search-bar {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.search-input-box {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  padding: 0.85rem 1.25rem 0.85rem 3rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input-box:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.08);
}

.search-icon-inside {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.cert-filter-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--accent-sky);
  color: var(--text-primary);
}

.filter-btn.active {
  background: rgba(37, 99, 235, 0.06);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.08);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.4rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.cert-card:hover {
  border-color: var(--border-active);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), 0 0 10px rgba(37, 99, 235, 0.08);
}

.cert-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.cert-badge-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.cert-badge-icon svg {
  width: 22px;
  height: 22px;
}

.cert-category-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.cert-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.cert-issuer {
  font-size: 0.85rem;
  color: var(--accent-sky);
  margin-bottom: 0.85rem;
  font-weight: 500;
}

.cert-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.cert-card-action {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent-cyan);
  font-weight: 600;
  font-size: 0.78rem;
  transition: transform var(--transition-fast);
}

.cert-card-action:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   10. Services / What I Can Help With
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.service-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 12px rgba(37, 99, 235, 0.06);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.service-deliverables-list {
  list-style: none;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-deliverables-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.service-deliverables-list li svg {
  color: var(--accent-emerald);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   11. Career Progression Roadmap (Journey)
   -------------------------------------------------------------------------- */
.journey-roadmap {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  position: relative;
  margin-top: 2rem;
}

.journey-step {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  position: relative;
  transition: all var(--transition-normal);
}

.journey-step:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.06);
}

.journey-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.journey-step-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.journey-step-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   12. Education Timeline
   -------------------------------------------------------------------------- */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.education-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.education-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
}

.edu-level-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-sky);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.edu-degree-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.edu-institute {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.edu-affiliation {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

/* --------------------------------------------------------------------------
   13. Media & Content Gallery
   -------------------------------------------------------------------------- */
.media-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.youtube-spotlight-card {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, rgba(18, 24, 38, 0.8) 100%);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.yt-info-wrap .yt-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.yt-info-wrap h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.yt-info-wrap p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.workshop-carousel {
  position: relative;
}

.carousel-controls {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.carousel-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.85);
  color: var(--text-primary);
  font-size: 1.8rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.carousel-btn:hover {
  background: var(--bg-card);
  border-color: var(--border-active);
  transform: translateY(-1px);
}

.carousel-viewport {
  overflow: hidden;
  position: relative;
}

.carousel-track {
  display: flex;
  gap: 1.25rem;
  transition: transform 0.7s ease;
  will-change: transform;
}

.carousel-item {
  position: relative;
  flex: 0 0 calc((100% - 3 * 1.25rem) / 4);
  min-width: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  aspect-ratio: 4 / 3;
  cursor: pointer;
  background: var(--bg-secondary);
}

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-smooth);
}

.carousel-item:hover img {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 9, 14, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1rem;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.gallery-caption {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.gallery-sub {
  font-size: 0.72rem;
  color: var(--accent-sky);
  font-family: var(--font-mono);
}

@media (max-width: 980px) {
  .carousel-item {
    flex-basis: calc((100% - 1.25rem) / 2);
  }
}

@media (max-width: 620px) {
  .carousel-item {
    flex-basis: 100%;
    aspect-ratio: 1.1 / 0.9;
  }

  .carousel-item img {
    object-position: center center;
  }
}

/* --------------------------------------------------------------------------
   14. Contact Section & Form
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-direct-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all var(--transition-fast);
}

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

.contact-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-card-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-card-value {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.15);
  background: var(--bg-secondary);
}

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

.form-status-msg {
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  margin-top: 1rem;
  display: none;
  font-size: 0.88rem;
}

.form-status-msg.success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

/* --------------------------------------------------------------------------
   15. Lightbox & Modal Windows
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 10, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-lg), 0 0 16px rgba(37, 99, 235, 0.08);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
}

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: linear-gradient(180deg, #f7faff 0%, #eef4ff 100%);
  border-top: 1px solid rgba(148,163,184,0.18);
  padding: 4rem 0 2rem;
  position: relative;
  z-index: 1;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.65;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col ul a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-col ul a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Keyframes */
@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes scan {
  0% { top: 0; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}