/* ═══════════════════════════════════════════════════════════════
   Peter Henshaw - Principal ML Engineer Portfolio
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --bg: #07070d;
  --bg-elevated: #0f0f18;
  --bg-card: rgba(12, 12, 22, 0.65);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(139, 92, 246, 0.45);
  --text: #e4e4ef;
  --text-muted: #9494a8;
  --accent: #8b5cf6;
  --accent-2: #06b6d4;
  --accent-3: #3b82f6;
  --gradient: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-soft: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(139, 92, 246, 0.15));
  --glow: 0 0 60px rgba(139, 92, 246, 0.25);
  --radius: 16px;
  --radius-lg: 24px;
  --font: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --nav-h: 72px;
  --content-max: 1100px;
  --content-wide: 1200px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  box-sizing: border-box;
}

.container--wide {
  max-width: var(--content-wide);
}

.container .section-header {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.container .about-grid,
.container .expertise-grid,
.container .projects-grid,
.container .achievements-grid,
.container .skills-wrap,
.container .project-filters,
.container .experience-list,
.container .ai-features-grid {
  max-width: none;
  width: 100%;
  margin-left: 0;
  margin-right: 0;
  padding-left: 0;
  padding-right: 0;
}

.container .project-filters {
  margin-bottom: 1.5rem;
  justify-content: flex-start;
}

.container .section-header {
  margin-bottom: 2rem;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
  overflow-x: hidden;
  max-width: 100%;
}

html,
body {
  margin: 0;
  padding: 0;
  max-width: 100%;
}

body.modern-portfolio {
  font-family: var(--font) !important;
  background: var(--bg) !important;
  color: var(--text) !important;
  line-height: 1.7 !important;
  overflow-x: hidden;
}

body.modern-portfolio::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 45% at 15% 10%, rgba(139, 92, 246, 0.12), transparent 55%),
    radial-gradient(ellipse 55% 40% at 88% 25%, rgba(6, 182, 212, 0.1), transparent 50%),
    radial-gradient(ellipse 50% 35% at 50% 95%, rgba(236, 72, 153, 0.06), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

body.modern-portfolio > section,
body.modern-portfolio > div.stats-bar,
body.modern-portfolio > nav,
body.modern-portfolio > footer {
  position: relative;
  z-index: 1;
}

.modern-nav {
  z-index: 1000;
}

.scroll-progress {
  z-index: 10001;
}

.cursor-glow {
  z-index: 9999;
}

/* ── Reset template overrides ── */
body.modern-portfolio h1,
body.modern-portfolio h2,
body.modern-portfolio h3,
body.modern-portfolio h4,
body.modern-portfolio h5,
body.modern-portfolio h6 {
  font-family: var(--font-display) !important;
  color: #fff !important;
  font-weight: 700 !important;
}

body.modern-portfolio p {
  color: var(--text-muted) !important;
}

/* ── Navbar ── */
.modern-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.nav-backdrop {
  display: none;
}

.modern-nav.scrolled {
  background: rgba(7, 7, 13, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.modern-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 24px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none !important;
}

.brand-logo-icon {
  flex-shrink: 0;
  display: block;
  border-radius: 6px;
}

.brand-logo-text {
  font-family: var(--font-display) !important;
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.brand-logo-text span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links li {
  list-style: none;
}

.nav-links a {
  color: var(--text-muted) !important;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  transition: var(--transition);
  text-decoration: none !important;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.06);
}

.nav-cta {
  background: var(--gradient) !important;
  color: #fff !important;
  padding: 0.55rem 1.35rem !important;
  border-radius: 100px !important;
  font-weight: 600 !important;
  margin-left: 0.5rem !important;
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.35);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.45);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

@media (min-width: 992px) {
  .nav-toggle {
    display: none !important;
  }

  .modern-nav {
    display: flex;
    align-items: center;
    height: var(--nav-h);
    padding-top: 0;
    background: transparent;
    border-bottom: none;
  }

  .modern-nav .nav-bar {
    position: relative;
    width: 100%;
    max-width: var(--content-wide);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    box-sizing: border-box;
  }

  .nav-links {
    position: absolute;
    top: 50%;
    right: 24px;
    left: auto;
    bottom: auto;
    width: auto;
    height: auto;
    max-width: none;
    margin: 0;
    padding: 0;
    transform: translateY(-50%);
    visibility: visible;
    pointer-events: auto;
    background: transparent;
    box-shadow: none;
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    overflow: visible;
  }

  .nav-links a,
  .nav-links .nav-cta {
    min-height: auto;
    width: auto;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.85rem;
  }

  .nav-links .nav-cta {
    margin-top: 0;
    padding: 0.5rem 1.1rem;
    background: var(--gradient);
    border: none;
  }
}

@media (max-width: 991px) {
  .nav-toggle { display: flex; }
}

/* ── Hero ── */
.hero {
  min-height: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: calc(var(--nav-h) + 20px) 24px 28px;
  position: relative;
  box-sizing: border-box;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem 0.4rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s ease both;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 12px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-size: clamp(2.75rem, 6vw, 4.25rem) !important;
  line-height: 1.05 !important;
  letter-spacing: -0.03em !important;
  margin-bottom: 0.5rem !important;
  animation: fadeUp 0.8s 0.1s ease both;
}

.hero h1 .gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.25rem;
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero-desc {
  font-size: 1rem;
  max-width: 540px;
  margin-bottom: 1.25rem;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  animation: fadeUp 0.8s 0.4s ease both;
}

.btn-glow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: var(--gradient);
  color: #fff !important;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.4);
  transition: var(--transition);
  text-decoration: none !important;
}

.btn-glow:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(139, 92, 246, 0.5);
  color: #fff !important;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: transparent;
  color: var(--text) !important;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  text-decoration: none !important;
}

.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.1);
  color: #fff !important;
}

.hero-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  animation: fadeUp 0.8s 0.5s ease both;
}

.hero-contact a {
  color: var(--text-muted) !important;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none !important;
  transition: var(--transition);
}

.hero-contact a i {
  color: var(--accent-2);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.hero-contact a:hover {
  color: var(--accent-2) !important;
}

.contact-simple {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-simple a {
  color: var(--text-muted) !important;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none !important;
  transition: var(--transition);
}

.contact-simple a i {
  color: var(--accent-2);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.contact-simple a:hover {
  color: var(--accent-2) !important;
}

.contact-simple--center {
  align-items: center;
  margin-top: 1.5rem;
}

.contact-simple--center li {
  list-style: none;
}

.footer-contact {
  margin-top: 0.5rem !important;
  font-size: 0.85rem !important;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
}

.footer-contact a {
  color: var(--text-muted) !important;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none !important;
  transition: var(--transition);
}

.footer-contact a i {
  color: var(--accent-2);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.footer-contact a:hover {
  color: var(--accent-2) !important;
}

.hero-visual {
  position: relative;
  min-height: 300px;
  animation: fadeUp 1s 0.3s ease both;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-soft);
  opacity: 0.5;
}

.hero-card-inner {
  position: relative;
  z-index: 1;
}

.code-window {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-muted);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  word-break: break-word;
}

.code-window .kw { color: #c084fc; }
.code-window .fn { color: #22d3ee; }
.code-window .str { color: #34d399; }
.code-window .cm { color: #64748b; }

.floating-stat {
  position: absolute;
  background: rgba(15, 15, 24, 0.95);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  backdrop-filter: blur(12px);
  animation: float 4s ease-in-out infinite;
}

.floating-stat.s1 { top: -20px; right: -10px; animation-delay: 0s; }
.floating-stat.s2 { bottom: 40px; left: -30px; animation-delay: 1s; }

.floating-stat strong {
  display: block;
  font-size: 1.35rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.floating-stat span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 991px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { order: -1; }
  .floating-stat.s2 { left: 10px; }
}

/* ── Section headers ── */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-2);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.75rem) !important;
  margin-bottom: 1rem !important;
  letter-spacing: -0.02em !important;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Stats bar ── */
.stats-bar {
  padding: 0 24px 80px;
  max-width: var(--content-wide);
  margin: 0 auto;
  box-sizing: border-box;
}

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

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
}

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

.stat-card h3 {
  font-size: 2.25rem !important;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem !important;
}

.stat-card p {
  font-size: 0.85rem !important;
  margin: 0 !important;
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 0;
}

.highlight-mini {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: var(--transition);
}

.highlight-mini:hover {
  border-color: var(--border-hover);
}

.highlight-mini i {
  font-size: 1.25rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.highlight-mini h5 {
  font-size: 0.95rem !important;
  margin-bottom: 0.25rem !important;
}

.highlight-mini p {
  font-size: 0.8rem !important;
  margin: 0 !important;
}

@media (max-width: 991px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ── Expertise bento ── */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.expertise-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.expertise-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: 0;
  transition: var(--transition);
}

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

.expertise-card:hover::after {
  opacity: 0.05;
}

.expertise-card > * {
  position: relative;
  z-index: 1;
}

.expertise-card.wide {
  grid-column: span 2;
}

.expertise-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--accent-2);
}

.expertise-card h4 {
  font-size: 1.1rem !important;
  margin-bottom: 0.5rem !important;
}

.expertise-card p {
  font-size: 0.9rem !important;
  margin: 0 !important;
}

@media (max-width: 991px) {
  .expertise-grid { grid-template-columns: 1fr; }
  .expertise-card.wide { grid-column: span 1; }
}

/* Glass sections — neural net shows through */
.stat-card,
.expertise-card,
.project-card,
.achievement-card,
.experience-card,
.ai-feature-card,
.ai-tool-chip,
.highlight-mini,
.contact-box,
.education_card {
  background: rgba(12, 12, 22, 0.72) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.experience-section,
.ai-tools-section,
.skills-section,
.achievements-section {
  background: rgba(8, 8, 16, 0.45);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Experience cards */

.experience-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.experience-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.experience-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient);
  opacity: 0.6;
  transition: opacity 0.35s ease;
}

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

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

.experience-card.featured {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.12);
}

.experience-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.experience-card-head h3 {
  font-size: 1.15rem !important;
  margin-bottom: 0.2rem !important;
}

.experience-company {
  color: var(--accent-2) !important;
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 0.15rem !important;
}

.experience-location {
  font-size: 0.82rem;
  color: var(--text-muted) !important;
  margin: 0 !important;
}

.experience-date {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted) !important;
  white-space: nowrap;
  flex-shrink: 0;
}

.experience-head-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  flex-shrink: 0;
}

.experience-summary p {
  font-size: 0.92rem !important;
  line-height: 1.75 !important;
  margin: 0 0 0.75rem !important;
  color: var(--text-muted) !important;
}

.experience-summary p:last-child {
  margin-bottom: 0 !important;
}

.experience-summary strong {
  color: var(--text) !important;
}

.exp-badge {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.2rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
  border-radius: 100px;
}

.experience-role {
  margin-top: 1.15rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border);
}

.experience-role-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.55rem;
}

.experience-role-head h4 {
  font-size: 1rem !important;
  margin: 0 !important;
  color: var(--text) !important;
}

.experience-role-head span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.exp-toggle {
  color: var(--text-muted);
  font-size: 1.25rem;
  transition: transform var(--transition);
  margin-left: auto;
}

.exp-card.open .exp-toggle {
  transform: rotate(180deg);
}

.exp-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.exp-card.open .exp-body {
  max-height: 2000px;
}

.exp-achievements {
  padding: 1.25rem 1.75rem 1.75rem;
  margin: 0 1.75rem 1.75rem;
  border-top: 1px solid var(--border);
}

.exp-achievements h5 {
  font-size: 0.75rem !important;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-2) !important;
  margin-bottom: 1rem !important;
}

.exp-achievements ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.exp-achievements li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted) !important;
  line-height: 1.6;
}

.exp-achievements li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

.exp-achievements li strong {
  color: var(--text) !important;
}

.exp-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin-bottom: 1rem;
}

.exp-summary {
  padding: 1rem 1.75rem 1.75rem;
}

.exp-summary p {
  font-size: 0.95rem !important;
  line-height: 1.75 !important;
  margin: 0 0 0.85rem !important;
  color: var(--text-muted) !important;
}

.exp-summary p:last-child {
  margin-bottom: 0 !important;
}

.exp-summary strong {
  color: var(--text) !important;
}

.metric-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-2);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 100px;
}

/* ── Projects ── */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  max-width: 1200px;
  margin: 0 auto 2.5rem;
  padding: 0 24px;
}

.filter-btn {
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(139, 92, 246, 0.2);
  border-color: var(--accent);
  color: #fff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.project-card.hidden {
  display: none;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: var(--glow);
}

.project-visual {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-soft);
  position: relative;
}

.project-result {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.35rem 0.7rem;
  background: rgba(7, 7, 13, 0.85);
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  color: var(--accent-2);
  backdrop-filter: blur(8px);
}

.project-type {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  margin-bottom: 0.5rem;
}

.project-achievements {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  flex: 1;
}

.project-achievements li {
  font-size: 0.85rem;
  color: var(--text-muted) !important;
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.45rem;
  line-height: 1.55;
}

.project-achievements li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.65rem;
  top: 0.2rem;
}

.project-achievements li strong {
  color: var(--text) !important;
}

.project-visual i {
  font-size: 3.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.project-content {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-content h4 {
  font-size: 1.15rem !important;
  margin-bottom: 0.75rem !important;
}

.project-content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  flex: 1;
}

.project-content ul li {
  font-size: 0.88rem;
  color: var(--text-muted) !important;
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.project-content ul li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--accent);
}

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

.project-tags span {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  background: rgba(139, 92, 246, 0.15);
  color: #c4b5fd;
  border-radius: 6px;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

@media (max-width: 1100px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

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

/* ── Achievements wall ── */
.achievements-section {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
}

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

.achievement-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 1.25rem;
  color: var(--accent-2);
}

.achievement-card h4 {
  font-size: 0.95rem !important;
  margin-bottom: 0.35rem !important;
}

.achievement-metric {
  font-family: var(--font-display);
  font-size: 1.75rem !important;
  font-weight: 700 !important;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0.25rem 0 0.5rem !important;
  line-height: 1.2 !important;
}

.achievement-card > p:last-child {
  font-size: 0.8rem !important;
  margin: 0 !important;
}

@media (max-width: 1100px) {
  .achievements-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .achievements-grid { grid-template-columns: repeat(2, 1fr); }
}

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

/* ── Skills ── */
.skills-section {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.skills-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.skill-category {
  margin-bottom: 2rem;
}

.skill-category h5 {
  font-size: 0.8rem !important;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-2) !important;
  margin-bottom: 1rem !important;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tags span {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.45rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text) !important;
  transition: var(--transition);
  cursor: default;
}

.skill-tags span:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.15);
  transform: translateY(-2px);
}

.skill-category--highlight {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(139, 92, 246, 0.35);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(6, 182, 212, 0.08));
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.1);
}

.skill-category--highlight h5 {
  color: var(--accent-2) !important;
}

.skill-tag-hot {
  border-color: rgba(6, 182, 212, 0.45) !important;
  background: rgba(6, 182, 212, 0.12) !important;
  animation: tagGlow 3s ease-in-out infinite;
}

@keyframes tagGlow {
  0%, 100% { box-shadow: 0 0 0 rgba(6, 182, 212, 0); }
  50% { box-shadow: 0 0 16px rgba(6, 182, 212, 0.35); }
}

/* ── AI Tools & Automation ── */
.ai-tools-section {
  overflow: hidden;
}

.ai-tools-section--hero {
  margin-top: -0.5rem;
  padding-top: 0.25rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 8, 16, 0.35);
}

.ai-tools-section--hero .container .section-header {
  margin-bottom: 1rem;
}

.ai-tools-section--hero .ai-marquee-block {
  margin-bottom: 1.75rem;
}

.ai-tools-section--hero .section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem) !important;
}

.ai-tools-section--hero .section-header p {
  font-size: 0.95rem !important;
}

.ai-marquee-block {
  margin: 0 auto 3rem;
  max-width: 100%;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.ai-marquee {
  overflow: hidden;
  margin-bottom: 1rem;
  padding: 0.35rem 0;
}

.ai-marquee-track {
  display: flex;
  gap: 1rem;
  width: max-content;
  animation: aiMarqueeLeft 42s linear infinite;
}

.ai-marquee--right .ai-marquee-track {
  animation-name: aiMarqueeRight;
  animation-duration: 48s;
}

@keyframes aiMarqueeLeft {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes aiMarqueeRight {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.ai-tool-chip {
  --brand: #8b5cf6;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  padding: 0.65rem 1.1rem 0.65rem 0.65rem;
  border-radius: 100px;
  border: 1px solid color-mix(in srgb, var(--brand) 40%, transparent);
  background: rgba(12, 12, 22, 0.85);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  animation: chipFloat 5s ease-in-out infinite;
}

.ai-tool-chip:nth-child(odd) { animation-delay: -1.2s; }
.ai-tool-chip:nth-child(3n) { animation-delay: -2.4s; }

.ai-tool-chip:hover {
  animation-play-state: paused;
  transform: translateY(-6px) scale(1.04);
  border-color: var(--brand);
  box-shadow: 0 0 28px color-mix(in srgb, var(--brand) 45%, transparent);
}

@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.ai-tool-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--brand) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 35%, transparent);
  flex-shrink: 0;
}

.ai-tool-icon-wrap img {
  display: block;
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.ai-tool-icon-wrap i {
  font-size: 1.1rem;
  color: var(--brand);
}

.ai-tool-letter {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--brand);
  letter-spacing: -0.02em;
}

.ai-tool-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: #fff;
  white-space: nowrap;
}

.ai-tool-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  padding-left: 0.5rem;
  border-left: 1px solid var(--border);
}

.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.ai-feature-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ai-feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 55%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

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

.ai-feature-card:hover::before {
  opacity: 1;
}

.ai-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(6, 182, 212, 0.2));
  border: 1px solid rgba(139, 92, 246, 0.35);
  font-size: 1.2rem;
  color: var(--accent-2);
  position: relative;
  z-index: 1;
}

.pulse-icon {
  animation: iconPulse 2.8s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% { box-shadow: 0 0 0 rgba(6, 182, 212, 0); transform: scale(1); }
  50% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.45); transform: scale(1.06); }
}

.ai-feature-card h4 {
  font-size: 1rem !important;
  margin-bottom: 0.5rem !important;
  position: relative;
  z-index: 1;
}

.ai-feature-card p {
  font-size: 0.88rem !important;
  line-height: 1.65 !important;
  color: var(--text-muted) !important;
  margin: 0 !important;
  position: relative;
  z-index: 1;
}

@media (max-width: 1100px) {
  .ai-features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .about-highlights { grid-template-columns: 1fr 1fr; }
  .ai-features-grid { grid-template-columns: 1fr; }
  .ai-tool-chip { padding: 0.55rem 0.85rem 0.55rem 0.55rem; gap: 0.55rem; }
  .ai-tool-tag { display: none; }
}

/* ── Education ── */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

.edu-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.edu-card h4 {
  font-size: 1.15rem !important;
  margin-bottom: 0.35rem !important;
}

.edu-meta {
  color: var(--accent-2) !important;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

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

/* ── Impact grid ── */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.impact-card {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  padding: 2rem 1.5rem !important;
  text-align: center;
  transition: var(--transition) !important;
}

.impact-card:hover {
  border-color: var(--border-hover) !important;
  transform: translateY(-6px) !important;
  box-shadow: var(--glow) !important;
}

.impact-card i {
  font-size: 2rem !important;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem !important;
}

.impact-card h4 {
  font-size: 1rem !important;
  margin-bottom: 0.5rem !important;
}

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

/* ── Contact CTA ── */
.contact-section {
  padding: 100px 24px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  position: relative;
  overflow: hidden;
}

.contact-box::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent, rgba(139, 92, 246, 0.15), transparent 30%);
  animation: rotate 8s linear infinite;
}

.contact-box-inner {
  position: relative;
  z-index: 1;
}

@keyframes rotate {
  to { transform: rotate(360deg); }
}

.contact-box h2 {
  font-size: 2rem !important;
  margin-bottom: 1rem !important;
}

.contact-box p {
  margin-bottom: 2rem !important;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-links a {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-muted) !important;
  font-size: 1.15rem;
  transition: var(--transition);
}

.contact-links a:hover {
  border-color: var(--accent);
  color: var(--accent-2) !important;
  background: rgba(139, 92, 246, 0.15);
  transform: translateY(-3px);
}

/* ── Footer ── */
.modern-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 24px;
  text-align: center;
}

.modern-footer p {
  font-size: 0.85rem !important;
  margin: 0 !important;
}

.modern-footer .role-tag {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

.section_gap {
  padding: clamp(60px, 10vw, 100px) 0;
  background: transparent;
}

/* ═══ 3D, motion, UX enhancements ═══ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--gradient);
  z-index: 10001;
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.8);
  transition: width 0.1s linear;
}

.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.4s ease;
}

body.loaded .cursor-glow {
  opacity: 1;
}

@media (pointer: coarse), (max-width: 991px) {
  .cursor-glow { display: none !important; }
}

.hero-canvas {
  position: absolute;
  inset: -12% -8%;
  width: 116%;
  height: 124%;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  animation: orbFloat 12s ease-in-out infinite;
}

.hero-orb-1 {
  width: 320px;
  height: 320px;
  background: rgba(139, 92, 246, 0.22);
  top: 10%;
  right: 5%;
}

.hero-orb-2 {
  width: 260px;
  height: 260px;
  background: rgba(6, 182, 212, 0.18);
  bottom: 15%;
  left: 10%;
  animation-delay: -4s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -25px) scale(1.08); }
}

.hero-grid {
  position: relative;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-visual {
  position: relative;
  z-index: 2;
  perspective: 1000px;
}

.hero-card {
  transform-style: preserve-3d;
  animation: cardFloat 6s ease-in-out infinite;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 40px rgba(139, 92, 246, 0.15);
  z-index: 2;
}

.floating-stat {
  z-index: 3;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0) rotateX(2deg); }
  50% { transform: translateY(-12px) rotateX(-2deg); }
}

body:not(.loaded) .hero h1,
body:not(.loaded) .hero-role,
body:not(.loaded) .hero-desc,
body:not(.loaded) .hero-badge,
body.loaded .hero h1,
body.loaded .hero-role,
body.loaded .hero-desc,
body.loaded .hero-badge,
body.loaded .hero-contact {
  animation: fadeUp 0.9s ease both;
}

/* Global 3D neural network background */
.page-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
}

.animated-section {
  position: relative;
  overflow: hidden;
}

.animated-section > *:not(.section-atmosphere) {
  position: relative;
  z-index: 1;
}

.section-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.section-atmosphere::before,
.section-atmosphere::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  animation: atmosphereDrift 14s ease-in-out infinite;
}

.animated-section.in-view .section-atmosphere::before,
.animated-section.in-view .section-atmosphere::after {
  opacity: 0.55;
}

.section-atmosphere::before {
  width: 340px;
  height: 340px;
  background: rgba(139, 92, 246, 0.14);
  top: -80px;
  right: -60px;
  animation: atmosphereDrift 14s ease-in-out infinite;
}

.section-atmosphere::after {
  width: 280px;
  height: 280px;
  background: rgba(6, 182, 212, 0.1);
  bottom: -60px;
  left: -40px;
  animation: atmosphereDrift 18s ease-in-out infinite reverse;
}

@keyframes atmosphereDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(24px, -20px) scale(1.1); }
}

.section-header .section-label {
  display: inline-block;
  animation: labelGlow 3s ease-in-out infinite;
}

@keyframes labelGlow {
  0%, 100% { text-shadow: 0 0 0 transparent; }
  50% { text-shadow: 0 0 20px rgba(6, 182, 212, 0.35); }
}

.stagger-item,
.motion-item {
  opacity: 0;
  transform: translateY(28px) scale(0.97);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--stagger, 0) * 0.07s);
}

.stagger-item.visible,
.stagger-item.is-visible,
.motion-item.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.motion-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.experience-card.motion-slide {
  opacity: 0;
  transform: translateX(var(--slide-dir, -40px));
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

.experience-card.motion-slide.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.project-card,
.achievement-card,
.expertise-card,
.stat-card,
.highlight-mini {
  position: relative;
  overflow: hidden;
}

.project-card::after,
.achievement-card::after,
.expertise-card::after,
.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
  transform: skewX(-18deg);
  transition: left 0.6s ease;
  pointer-events: none;
}

.project-card:hover::after,
.achievement-card:hover::after,
.expertise-card:hover::after,
.stat-card:hover::after {
  left: 140%;
}

.project-card.is-visible,
.achievement-card.is-visible {
  animation: cardEnter 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes cardEnter {
  from {
    opacity: 0;
    transform: translateY(36px) rotateX(8deg) scale(0.94);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0) scale(1);
  }
}

.project-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.project-card.is-visible:hover {
  box-shadow: 0 20px 50px rgba(139, 92, 246, 0.25), 0 0 30px rgba(6, 182, 212, 0.1);
}

.achievement-card.is-visible .achievement-icon {
  animation: iconPop 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

@keyframes iconPop {
  from { transform: scale(0.5) rotate(-12deg); opacity: 0; }
  to { transform: scale(1) rotate(0); opacity: 1; }
}

.skill-category .skill_tags span {
  opacity: 0;
  transform: translateY(8px) scale(0.9);
  transition: opacity 0.4s ease, transform 0.4s ease, background 0.25s ease, border-color 0.25s ease;
}

.skill-category.is-visible .skill_tags span {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.skill-category.is-visible .skill_tags span:nth-child(1) { transition-delay: 0.05s; }
.skill-category.is-visible .skill_tags span:nth-child(2) { transition-delay: 0.1s; }
.skill-category.is-visible .skill_tags span:nth-child(3) { transition-delay: 0.15s; }
.skill-category.is-visible .skill_tags span:nth-child(4) { transition-delay: 0.2s; }
.skill-category.is-visible .skill_tags span:nth-child(5) { transition-delay: 0.25s; }
.skill-category.is-visible .skill_tags span:nth-child(6) { transition-delay: 0.3s; }
.skill-category.is-visible .skill_tags span:nth-child(7) { transition-delay: 0.35s; }
.skill-category.is-visible .skill_tags span:nth-child(8) { transition-delay: 0.4s; }
.skill-category.is-visible .skill_tags span:nth-child(n+9) { transition-delay: 0.45s; }

.contact-box.reveal.visible {
  animation: contactPulse 4s ease-in-out infinite;
}

@keyframes contactPulse {
  0%, 100% { box-shadow: 0 0 0 rgba(139, 92, 246, 0); }
  50% { box-shadow: 0 0 40px rgba(139, 92, 246, 0.2); }
}

.filter-btn {
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.filter-btn:hover {
  transform: translateY(-2px);
}

.filter-btn.active {
  animation: filterPulse 2s ease-in-out infinite;
}

@keyframes filterPulse {
  0%, 100% { box-shadow: 0 0 0 rgba(139, 92, 246, 0.2); }
  50% { box-shadow: 0 0 20px rgba(139, 92, 246, 0.45); }
}

[data-tilt] {
  transform-style: preserve-3d;
  transition: transform 0.2s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  will-change: transform;
}

.project-card.filter-in {
  animation: filterPop 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes filterPop {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.gradient-text {
  background-size: 200% auto;
  animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
  to { background-position: 200% center; }
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.25) 50%, transparent 60%);
  transform: translateX(-120%);
  transition: transform 0.6s ease;
}

.btn-glow:hover::after {
  transform: translateX(120%);
}

.stat-card,
.expertise-card,
.project-card,
.achievement-card,
.experience-card {
  -webkit-tap-highlight-color: transparent;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .modern-nav {
  z-index: 10050;
}

/* ═══ Mobile & tablet — responsive UI ═══ */
@media (max-width: 991px) {
  :root {
    --nav-h: 64px;
  }

  .container,
  .container--wide,
  .modern-nav .container {
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box;
  }

  .modern-nav {
    padding-top: env(safe-area-inset-top, 0);
    height: calc(var(--nav-h) + env(safe-area-inset-top, 0px));
    align-items: flex-start;
    background: #07070d;
    border-bottom: 1px solid var(--border);
  }

  .modern-nav .nav-bar {
    height: var(--nav-h);
    align-items: center;
  }

  body.nav-open .modern-nav {
    background: #07070d;
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: #07070d;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 10051;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .nav-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 10053;
    min-width: 44px;
    min-height: 44px;
    margin: 0 -0.5rem 0 0;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: #fff;
  }

  .brand-logo {
    position: relative;
    z-index: 10053;
    min-width: 0;
    flex: 1;
    max-width: calc(100% - 52px);
  }

  .brand-logo-text {
    font-size: 1.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-logo-icon {
    width: 26px;
    height: 26px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    height: 100dvh;
    height: 100svh;
    margin: 0;
    padding: calc(var(--nav-h) + env(safe-area-inset-top, 0px) + 1rem) 20px calc(1.5rem + env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: #07070d;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 0.5rem;
    transform: translateX(100%);
    visibility: hidden;
    pointer-events: none;
    z-index: 10052;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.35s ease;
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
  }

  .nav-links.open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  .nav-links li {
    width: 100%;
    list-style: none;
  }

  .nav-links a,
  .nav-links .nav-cta {
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    font-weight: 600;
    width: 100%;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: #e4e4ef !important;
  }

  .nav-links a:hover,
  .nav-links a.active {
    background: rgba(139, 92, 246, 0.22);
    border-color: rgba(139, 92, 246, 0.45);
    color: #fff !important;
  }

  .nav-links .nav-cta {
    margin-top: 0.5rem;
    background: var(--gradient);
    border: none;
    color: #fff !important;
  }

  .nav-links .nav-cta:hover {
    color: #fff !important;
    opacity: 0.92;
  }

  .section_gap {
    padding: 3.5rem 0;
  }

  .section-header {
    margin-bottom: 1.75rem;
    padding: 0;
  }

  .section-header h2 {
    font-size: clamp(1.65rem, 6vw, 2.25rem) !important;
  }

  .section-header p {
    font-size: 0.92rem !important;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--nav-h) + env(safe-area-inset-top, 0px) + 12px) 0 1.5rem;
    overflow: hidden;
  }

  .hero-grid {
    gap: 1.5rem;
    align-items: start;
    padding: 0 16px;
    box-sizing: border-box;
  }

  .hero-content {
    min-width: 0;
  }

  .hero h1 {
    font-size: clamp(2rem, 9vw, 2.75rem) !important;
    word-wrap: break-word;
  }

  .hero-desc {
    font-size: 0.95rem;
    max-width: 100%;
  }

  .hero-badge {
    font-size: 0.72rem;
    max-width: 100%;
  }

  .hero-visual {
    max-width: 100%;
    min-height: 240px;
    overflow: hidden;
    margin: 0 -4px;
  }

  .hero-card {
    animation: none;
    padding: 1.25rem;
  }

  .hero-card:hover {
    transform: none;
  }

  .code-window {
    font-size: 0.68rem;
    line-height: 1.65;
  }

  .floating-stat {
    display: none;
  }

  .hero-canvas {
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.7;
  }

  .ai-tools-section--hero {
    padding-top: 0;
    padding-bottom: 2rem;
    margin-top: 0;
  }

  .ai-tools-section--hero .container .section-header {
    margin-bottom: 1rem;
    padding: 0 16px;
  }

  .ai-marquee-block {
    margin-bottom: 1.25rem;
  }

  .ai-tool-chip {
    max-width: calc(100vw - 32px);
    padding: 0.5rem 0.75rem 0.5rem 0.5rem;
    gap: 0.5rem;
  }

  .ai-tool-name {
    font-size: 0.85rem;
    white-space: nowrap;
  }

  .ai-tool-tag {
    display: none;
  }

  .ai-feature-card {
    padding: 1.25rem;
  }

  .stats-bar {
    padding: 0 16px 2.5rem;
  }

  .stat-card {
    padding: 1.15rem 0.75rem;
  }

  .stat-card h3 {
    font-size: 1.75rem !important;
  }

  .about-grid {
    gap: 1.5rem;
    padding: 0;
  }

  .about-highlights {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .highlight-mini {
    padding: 1rem;
  }

  .expertise-grid,
  .projects-grid,
  .achievements-grid {
    gap: 1rem;
    padding: 0;
  }

  .expertise-card,
  .project-card,
  .achievement-card {
    padding: 1.25rem;
  }

  .project-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 0 0 0.5rem;
    margin-bottom: 1.25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  }

  .project-filters::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    flex-shrink: 0;
    min-height: 44px;
    font-size: 0.78rem;
    padding: 0.45rem 0.9rem;
  }

  .project-visual {
    height: 120px;
  }

  .project-visual i {
    font-size: 2.5rem;
  }

  .project-result {
    top: 0.65rem;
    right: 0.65rem;
    font-size: 0.62rem;
    max-width: calc(100% - 1.25rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .project-content {
    padding: 1.25rem;
  }

  .experience-card {
    padding: 1.15rem;
  }

  .experience-card-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .experience-head-right {
    align-items: flex-start;
    width: 100%;
  }

  .experience-date {
    white-space: normal;
  }

  .exp-metrics {
    gap: 0.4rem;
  }

  .metric-pill {
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
  }

  .achievement-metric {
    font-size: 1.5rem !important;
  }

  .skill-category--highlight {
    padding: 1rem;
  }

  .skill-tags span {
    font-size: 0.78rem;
    padding: 0.4rem 0.75rem;
  }

  .contact-section {
    padding: 3rem 16px;
    box-sizing: border-box;
  }

  .contact-box {
    padding: 1.75rem 1.15rem;
    width: 100%;
    box-sizing: border-box;
  }

  .modern-footer {
    padding: 1.5rem 16px calc(1.5rem + env(safe-area-inset-bottom, 0px));
  }

  .footer-contact {
    word-break: break-word;
  }

  [data-tilt]:hover {
    transform: none !important;
  }

  .project-card:hover,
  .expertise-card:hover,
  .achievement-card:hover,
  .experience-card:hover,
  .stat-card:hover,
  .ai-feature-card:hover {
    transform: none;
  }
}

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

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }

  .ai-marquee-track {
    animation-duration: 55s !important;
  }

  .hero h1 {
    font-size: 1.85rem !important;
  }

  .hero-role {
    font-size: 1rem;
  }

  .hero-desc {
    font-size: 0.9rem;
  }

  .hero-contact a {
    font-size: 0.88rem;
  }

  .hero-contact a span {
    word-break: break-all;
  }

  .ai-tool-icon-wrap {
    width: 36px;
    height: 36px;
  }

  .ai-tool-icon-wrap img {
    width: 22px;
    height: 22px;
  }

  .section-header h2 {
    font-size: 1.5rem !important;
  }

  .brand-logo-text {
    font-size: 1.05rem;
  }
}

@media (max-width: 360px) {
  .hero-grid {
    padding: 0 12px;
  }

  .container,
  .container--wide,
  .modern-nav .container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .stat-card h3 {
    font-size: 1.5rem !important;
  }

  .stat-card p {
    font-size: 0.75rem !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .page-canvas,
  .hero-canvas,
  .hero-card,
  .gradient-text,
  .cursor-glow,
  .section-atmosphere::before,
  .section-atmosphere::after {
    animation: none !important;
    display: none;
  }

  .reveal,
  .stagger-item,
  .motion-item,
  .experience-card.motion-slide {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }

  .skill-category .skill_tags span {
    opacity: 1 !important;
    transform: none !important;
  }

  [data-tilt] {
    transform: none !important;
  }

  .ai-marquee-track,
  .ai-tool-chip,
  .skill-tag-hot,
  .pulse-icon {
    animation: none !important;
  }
}

@media (max-width: 768px) {
  .page-canvas {
    opacity: 0.85;
  }

  .stat-card,
  .expertise-card,
  .project-card,
  .achievement-card,
  .experience-card {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
}