/* bundle.css — Combined critical CSS: bootstrap-fallback + theme + enhancements *
 * Replaces three separate HTTP requests with one to improve page load performance.
 */

/* === bootstrap-fallback.css === */
/* Bootstrap 5.3.x Core Components - Minimal Fallback
 * Only includes essential components needed for the resume layout
 * This serves as a fallback when CDN is blocked
 */

/* Reset and base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family-base, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif);
  font-size: var(--font-size-base, 1rem);
  line-height: var(--line-height-base, 1.5);
}

/* Container system */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Progress bars */
.progress {
  height: 1rem;
  background-color: rgba(0, 0, 0, 0.1);
  border-radius: 0.25rem;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color, #42A8C0);
  transition: width 0.6s ease;
  border-radius: inherit;
}

.progress-bar-striped {
  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-size: 1rem 1rem;
}

.progress-bar-animated {
  animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
  0% { background-position-x: 1rem; }
}

/* Utility classes */
.d-print-none {
  display: block !important;
}

@media print {
  .d-print-none {
    display: none !important;
  }
}

/* Visually hidden content for screen readers */
.visually-hidden,
.visually-hidden-focusable:not(:focus):not(:focus-within) {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Text utilities */
.text-center {
  text-align: center !important;
}

/* List utilities */
.list-unstyled {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}
/* === theme.css === */
/* =======================================================================
   Professional Resume Theme
   Palette : Dark Slate Navy (#0F172A) sidebar · Sky Blue (#38BDF8) accent
   Font    : Inter (Google Fonts) / system-ui fallback
   Layout  : 30 % sidebar (right) · 70 % main (left)
   ======================================================================= */

/* ─── Design Tokens ────────────────────────────────────────────────────── */
:root {
  /* Core palette */
  --primary-color: #38BDF8;         /* Sky 400 – main accent          */
  --primary-dark:  #0EA5E9;         /* Sky 500                        */
  --primary-darker:#0284C7;         /* Sky 600                        */
  --primary-accessible: #0369A1;   /* Sky 700 – accessible text on light bg (4.5:1+) */
  --primary-glow:  rgba(56,189,248,.18);

  /* Sidebar */
  --sidebar-bg:      #0F172A;       /* Slate 900 – deep navy          */
  --sidebar-surface: #1E293B;       /* Slate 800 – lighter panel      */
  --sidebar-border:  rgba(148,163,184,.10);

  /* Status */
  --accent:   #F59E0B;              /* Amber 400 – warm highlight     */
  --success:  #34D399;              /* Emerald 400                    */

  /* Text */
  --text-color:     #0F172A;        /* Slate 900 – headings / strong  */
  --text-secondary: #334155;        /* Slate 700 – body               */
  --text-muted:     #64748B;        /* Slate 500 – meta / secondary   */

  /* Surfaces */
  --background:     #F1F5F9;        /* Slate 100 – page bg            */
  --background-alt: #FFFFFF;        /* Card / main content bg         */
  --divider:        #E2E8F0;        /* Slate 200 – borders            */

  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont,
                      'Segoe UI', system-ui, sans-serif;
  --font-size-base: clamp(13px, .9vw + 11px, 15px);
  --font-size-sm:   clamp(11px, .7vw + 9px,  13px);
  --font-size-lg:   clamp(15px, 1.1vw + 13px, 17px);
  --font-weight-normal:   400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;
  --line-height-base: 1.65;

  /* Fluid heading scale */
  --h1-size: clamp(1.5rem,  3vw   + .8rem, 2rem);
  --h2-size: clamp(1.2rem,  2.2vw + .7rem, 1.6rem);
  --h3-size: clamp(1.05rem, 1.5vw + .7rem, 1.3rem);
  --h4-size: clamp(.95rem,  1vw   + .7rem, 1.1rem);
  --h5-size: clamp(.875rem, .8vw  + .7rem, 1rem);
  --h6-size: clamp(.8rem,   .6vw  + .6rem, .9rem);

  /* Spacing */
  --spacing-xs:  .25rem;
  --spacing-sm:  .5rem;
  --spacing-md:  1rem;
  --spacing-lg:  1.5rem;
  --spacing-xl:  2rem;
  --spacing-xxl: 3rem;

  /* Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 8px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 24px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.04);
  --shadow-xl: 0 24px 48px rgba(0,0,0,.12), 0 8px 16px rgba(0,0,0,.06);
  --shadow-primary: 0 4px 14px var(--primary-glow);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(.4,0,.2,1);
  --transition-base: 250ms cubic-bezier(.4,0,.2,1);
  --transition-slow: 400ms cubic-bezier(.4,0,.2,1);
}

/* ─── Dark Theme ────────────────────────────────────────────────────────── */
html[data-theme="dark"] {
  --sidebar-bg:      #020617;       /* Slate 950 – even deeper        */
  --sidebar-surface: #0F172A;

  --text-color:     #F1F5F9;
  --text-secondary: #CBD5E1;
  --text-muted:     #94A3B8;

  --background:     #0F172A;
  --background-alt: #1E293B;
  --divider:        #334155;

  --primary-color:  #38BDF8;
  --primary-dark:   #7DD3FC;
  --primary-darker: #BAE6FD;
  --primary-accessible: #7DD3FC;   /* Sky 300 – accessible text on dark bg */
  --primary-glow:   rgba(56,189,248,.12);

  --shadow-md: 0 4px 8px rgba(0,0,0,.3),  0 2px 4px rgba(0,0,0,.2);
  --shadow-lg: 0 12px 24px rgba(0,0,0,.4), 0 4px 8px rgba(0,0,0,.3);
}

/* Restore muted-text colour for time badges in dark mode */
html[data-theme="dark"] .main-wrapper .time {
  color: var(--text-muted);
}

/* ─── Base ──────────────────────────────────────────────────────────────── */
body {
  font-family: var(--font-family-base);
  color: var(--text-secondary);
  background: var(--background);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  padding: var(--spacing-lg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-base), color var(--transition-base);
  min-height: 100vh;
  scroll-behavior: smooth;
  scroll-padding-top: 60px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  color: var(--text-color);
  line-height: 1.3;
  transition: color var(--transition-base);
}
h1 { font-size: var(--h1-size); }
h2 { font-size: var(--h2-size); }
h3 { font-size: var(--h3-size); }
h4 { font-size: var(--h4-size); }
h5 { font-size: var(--h5-size); }
h6 { font-size: var(--h6-size); }

a {
  color: var(--primary-dark);
  text-decoration: none;
  transition: all var(--transition-fast);
}
a:hover {
  color: var(--primary-darker);
  text-decoration: underline;
  text-underline-offset: 3px;
}
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

:focus-visible {
  outline: 2px solid var(--primary-color) !important;
  outline-offset: 2px !important;
  border-radius: var(--radius-sm) !important;
}
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--primary-color) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 4px var(--primary-glow) !important;
}

/* ─── Layout Wrapper ────────────────────────────────────────────────────── */
.wrapper {
  background: var(--sidebar-bg);
  max-width: 980px;
  margin: 0 auto;
  position: relative;
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: background-color var(--transition-base);
  min-height: calc(100vh - var(--spacing-lg) * 2);
}

@media (max-width: 768px) {
  .wrapper {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
  }
}

/* ─── Sidebar ───────────────────────────────────────────────────────────── */
.sidebar-wrapper {
  background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-surface) 100%);
  position: absolute;
  right: 0;
  width: 30%;
  height: 100%;
  min-height: 800px;
  color: #CBD5E1;
  transition: background-color var(--transition-base);
  border-left: 1px solid var(--sidebar-border);
}

@media (max-width: 992px) {
  .sidebar-wrapper { width: 35%; }
}
@media (max-width: 768px) {
  .sidebar-wrapper {
    width: 100%;
    position: relative;
    order: 1;
    border-left: none;
    border-bottom: 1px solid var(--sidebar-border);
  }
}

/* Sidebar links */
.sidebar-wrapper a {
  color: #94A3B8;
  transition: color var(--transition-fast);
}
.sidebar-wrapper a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

/* ── Profile Container ── */
.sidebar-wrapper .profile-container {
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  background: linear-gradient(180deg, rgba(56,189,248,.06) 0%, transparent 100%);
  border-bottom: 1px solid var(--sidebar-border);
  position: relative;
}

/* Top accent bar */
.sidebar-wrapper .profile-container::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.sidebar-wrapper .profile-container .img-circle {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  border: 3px solid rgba(56,189,248,.35);
  box-shadow: 0 0 0 6px rgba(56,189,248,.08), var(--shadow-lg);
  display: block;
  margin: 0 auto;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.sidebar-wrapper .profile-container .img-circle:hover {
  transform: scale(1.04);
  box-shadow: 0 0 0 8px rgba(56,189,248,.15), var(--shadow-xl);
}

.sidebar-wrapper .name {
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: -.02em;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  color: #F1F5F9;
}

.sidebar-wrapper .tagline {
  color: var(--primary-color);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: .07em;
  text-transform: uppercase;
  margin-bottom: 0;
}

/* ── Sidebar Section Blocks ── */
.sidebar-wrapper .container-block {
  padding: var(--spacing-md) var(--spacing-xl);
  border-bottom: 1px solid var(--sidebar-border);
}
.sidebar-wrapper .container-block:last-child {
  border-bottom: none;
}

.sidebar-wrapper .container-block-title {
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  color: #475569;
}

/* ── Contact List ── */
.sidebar-wrapper .contact-list {
  margin-bottom: 0;
  padding: 0;
  list-style: none;
}
.sidebar-wrapper .contact-list li {
  margin-bottom: var(--spacing-sm);
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}
.sidebar-wrapper .contact-list li:last-child { margin-bottom: 0; }

/* Icon badge */
.sidebar-wrapper .contact-list li i {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(56,189,248,.10);
  border-radius: var(--radius-md);
  color: var(--primary-color);
  font-size: 11px;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}
.sidebar-wrapper .contact-list li:hover i {
  background: rgba(56,189,248,.20);
}

/* Contact link text */
.sidebar-wrapper .contact-list li a {
  color: #CBD5E1;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}
.sidebar-wrapper .contact-list li a:hover {
  color: var(--primary-color);
}

/* ── Education ── */
.sidebar-wrapper .education-container .item {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--sidebar-border);
}
.sidebar-wrapper .education-container .item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sidebar-wrapper .degree {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--spacing-xs);
  color: #E2E8F0;
}

.sidebar-wrapper .meta {
  color: #64748B;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.sidebar-wrapper .time {
  display: inline-block;
  background: rgba(56,189,248,.10);
  color: #7DD3FC;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: var(--font-weight-medium);
}

/* ── Interests / Languages ── */
.sidebar-wrapper .interests-list,
.sidebar-wrapper .languages-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.sidebar-wrapper .interests-list li,
.sidebar-wrapper .languages-list li {
  margin-bottom: var(--spacing-xs);
  color: #94A3B8;
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.sidebar-wrapper .interests-list li::before,
.sidebar-wrapper .languages-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary-color);
  flex-shrink: 0;
  opacity: .5;
}

.sidebar-wrapper .lang-desc {
  color: #475569;
  font-size: 11px;
}

/* ─── Main Content ──────────────────────────────────────────────────────── */
.main-wrapper {
  background: var(--background-alt);
  padding: var(--spacing-xl);
  margin-right: 30%;
  transition: background-color var(--transition-base);
}

@media (max-width: 992px) {
  .main-wrapper {
    margin-right: 35%;
    padding: var(--spacing-lg);
  }
}
@media (max-width: 768px) {
  .main-wrapper {
    margin-right: 0;
    padding: var(--spacing-md);
    order: 2;
    flex-grow: 1;
  }
}

/* ── Section Wrapper ── */
.main-wrapper .section {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--divider);
}
.main-wrapper .section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

/* ── Section Titles ── */
.main-wrapper .section-title {
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Icon badge on section-title icons */
.main-wrapper .section-title i {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 12px;
  flex-shrink: 0;
  box-shadow: var(--shadow-primary);
}

/* ── Career Profile ── */
.summary-section .summary ul {
  padding: 0;
  margin: 0;
  list-style: none;
}
.summary-section .summary ul li {
  padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-lg);
  position: relative;
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  border-bottom: 1px solid var(--divider);
}
.summary-section .summary ul li:last-child { border-bottom: none; }
.summary-section .summary ul li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary-dark);
}

/* ── Experience Items — Timeline ── */
.main-wrapper .item {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.experiences-section .item {
  padding-left: var(--spacing-lg);
  border-left: 2px solid var(--divider);
  transition: border-color var(--transition-fast);
}
.experiences-section .item:hover {
  border-color: var(--primary-color);
}

/* Timeline dot */
.experiences-section .item::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-dark);
  border: 2px solid var(--background-alt);
  box-shadow: 0 0 0 2px var(--primary-dark);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  z-index: 1;
}
.experiences-section .item:hover::before {
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}

.main-wrapper .upper-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xs);
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.main-wrapper .job-title {
  color: var(--text-color);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  line-height: 1.3;
}

.main-wrapper .time {
  color: #475569;
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  background: var(--background);
  border: 1px solid var(--divider);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  line-height: 1.5;
}

.main-wrapper .company {
  color: var(--primary-accessible);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
}

.main-wrapper .details p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
  line-height: var(--line-height-base);
}

/* ── Projects ── */
.projects-section .intro p {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.projects-section .item {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  margin-bottom: var(--spacing-xs);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.projects-section .item:hover {
  background: var(--background);
  border-color: var(--divider);
}

.main-wrapper .project-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
  display: inline;
}

/* Append external link arrow */
.main-wrapper .project-title a {
  color: var(--primary-dark);
  text-decoration: none;
}
.main-wrapper .project-title a::after {
  content: '\00a0\f35d';            /* non-breaking space + FA arrow  */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 9px;
  opacity: .45;
  margin-left: 2px;
}
.main-wrapper .project-title a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.main-wrapper .project-tagline {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* ── Skills ── */
.skillset .item {
  display: grid;
  grid-template-columns: 130px 1fr;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

@media (max-width: 767px) {
  .skillset .item {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }
}

.skillset .level-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-color);
  margin: 0;
}

.skillset .progress {
  height: 7px;
  background: var(--divider);
  border-radius: var(--radius-full);
  overflow: visible;               /* Let dot / label overflow      */
  box-shadow: none;
  position: relative;
  margin-bottom: 0;
  margin-right: 40px;              /* Room for percentage label      */
}

.skillset .progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-darker) 0%, var(--primary-color) 100%);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow) ease;
  display: block;
  width: 0;
  position: relative;
}

/* Glowing dot at bar end */
.skillset .progress-bar::before {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-color);
  border: 2px solid var(--background-alt);
  box-shadow: 0 0 6px var(--primary-glow);
  display: none;
}
.skillset .progress-bar[style*="width"]::before { display: block; }

/* Percentage label outside the bar */
.skillset .progress-bar::after {
  content: attr(aria-valuenow) '%';
  position: absolute;
  right: -42px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

/* Keep min-width so empty-state bars stay visible */
.progress-bar[style*="width"] { min-width: 2px; }

/* Striped pattern: replaced with clean gradient — keep class harmless */
.progress-bar-striped { background-image: none; }

/* ─── Reduced Motion ───────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .skillset .progress-bar { transition: none !important; }
  .theme-toggle, .theme-toggle i, .theme-toggle:hover {
    transition: none !important;
    transform: none !important;
  }
  .sidebar-wrapper .profile-container .img-circle:hover { transform: none !important; }
  a:hover { transform: none !important; }
}

/* ─── Footer ───────────────────────────────────────────────────────────── */
.footer {
  padding: var(--spacing-md) 0;
  text-align: center;
}
.footer .copyright {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin: 0;
  line-height: 1.6;
}

/* ─── Theme Toggle Button ──────────────────────────────────────────────── */
.theme-toggle {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--background-alt);
  border: 1.5px solid var(--divider);
  border-radius: var(--radius-full);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  font-size: 16px;
  color: var(--text-muted);
}
.theme-toggle:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: scale(1.05);
  box-shadow: var(--shadow-lg), var(--shadow-primary);
}
.theme-toggle:active {
  transform: scale(.96);
  transition: all .1s ease;
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 4px;
  box-shadow: var(--shadow-lg), 0 0 0 4px var(--primary-glow);
}
.theme-toggle i {
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.theme-toggle:hover i { transform: rotate(20deg); }

@keyframes theme-toggle-click {
  0%   { transform: scale(1); }
  50%  { transform: scale(.9); }
  100% { transform: scale(1); }
}
.theme-toggle.clicking { animation: theme-toggle-click .25s ease-out; }

@media (prefers-reduced-motion: no-preference) {
  @keyframes theme-toggle-pulse {
    0%, 100% { box-shadow: var(--shadow-md); }
    50%       { box-shadow: 0 0 0 8px var(--primary-glow); }
  }
  .theme-toggle.initial-pulse { animation: theme-toggle-pulse 2s ease-in-out; }
}

@media (max-width: 768px) {
  .theme-toggle {
    width: 40px;
    height: 40px;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 14px;
  }
}

html[data-theme="dark"] .theme-toggle {
  background: var(--background-alt);
  border-color: var(--divider);
  color: var(--text-muted);
}
html[data-theme="dark"] .theme-toggle:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--background);
}

/* ─── Accessibility ────────────────────────────────────────────────────── */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.visually-hidden-focusable:focus {
  position: absolute !important;
  width: auto !important;
  height: auto !important;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  margin: 0 !important;
  overflow: visible !important;
  clip: auto !important;
  white-space: normal !important;
  background: var(--text-color) !important;
  color: var(--background-alt) !important;
  text-decoration: none !important;
  z-index: 1000 !important;
  top: 0 !important;
  left: 0 !important;
  border: 2px solid var(--primary-color) !important;
  border-radius: var(--radius-md) !important;
  font-weight: var(--font-weight-bold) !important;
  font-size: var(--font-size-base) !important;
}

/* ─── Desktop Layout Fix ───────────────────────────────────────────────── */
@media (min-width: 769px) {
  .wrapper {
    display: block !important;
  }
  .sidebar-wrapper {
    position: absolute !important;
    right: 0 !important;
    width: 30% !important;
    height: 100% !important;
    min-height: 800px !important;
    top: 0 !important;
  }
  .main-wrapper {
    margin-right: 30% !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   NEW COMPONENTS — Professional UI/UX Improvements
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Dark Mode Background Gradient ─────────────────────────────────────── */
html[data-theme="dark"] body {
  background: linear-gradient(135deg, #0F172A 0%, #0d1526 100%);
}

/* ─── Name / Tagline Entrance Animation ─────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .sidebar-wrapper .name {
    animation: nameReveal 0.7s ease-out both;
  }
  .sidebar-wrapper .tagline {
    animation: nameReveal 0.7s 0.15s ease-out both;
  }
  .availability-badge {
    animation: nameReveal 0.6s 0.3s ease-out both;
  }
  @keyframes nameReveal {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}

/* ─── Availability Badge ─────────────────────────────────────────────────── */
.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(52, 211, 153, .12);
  border: 1px solid rgba(52, 211, 153, .25);
  color: #34D399;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  margin-top: var(--spacing-sm);
  letter-spacing: .02em;
}

.availability-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34D399;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(52,211,153,.2);
}

@media (prefers-reduced-motion: no-preference) {
  @keyframes availability-pulse {
    0%, 100% { box-shadow: 0 0 0 2px rgba(52,211,153,.2); }
    50%       { box-shadow: 0 0 0 5px rgba(52,211,153,.0); }
  }
  .availability-dot {
    animation: availability-pulse 2s ease-in-out infinite;
  }
}


/* ─── Print Button ──────────────────────────────────────────────────────── */
.print-btn {
  position: fixed;
  top: var(--spacing-lg);
  right: calc(var(--spacing-lg) + 52px); /* left of theme-toggle */
  background: var(--background-alt);
  border: 1.5px solid var(--divider);
  border-radius: var(--radius-full);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  font-size: 16px;
  color: var(--text-muted);
}
.print-btn:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: scale(1.05);
  box-shadow: var(--shadow-lg), var(--shadow-primary);
}
.print-btn:active {
  transform: scale(.96);
  transition: all .1s ease;
}
.print-btn:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 4px;
  box-shadow: var(--shadow-lg), 0 0 0 4px var(--primary-glow);
}
@media (max-width: 768px) {
  .print-btn {
    width: 40px;
    height: 40px;
    top: var(--spacing-md);
    right: calc(var(--spacing-md) + 48px);
    font-size: 14px;
  }
}
html[data-theme="dark"] .print-btn {
  background: var(--background-alt);
  border-color: var(--divider);
  color: var(--text-muted);
}
html[data-theme="dark"] .print-btn:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--background);
}

/* ─── Sidebar Nav (Scroll-Spy) ───────────────────────────────────────────── */
.sidebar-nav {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-bottom: 1px solid var(--sidebar-border);
}
.sidebar-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidebar-nav-link {
  display: flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  color: #64748B;
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
  letter-spacing: .04em;
}
.sidebar-nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 0;
  background: var(--primary-color);
  border-radius: var(--radius-full);
  transition: height var(--transition-fast);
}
.sidebar-nav-link:hover {
  color: var(--primary-color);
  background: rgba(56,189,248,.08);
  text-decoration: none;
}
.sidebar-nav-link:hover::before { height: 16px; }
.sidebar-nav-link.active {
  color: var(--primary-color);
  background: rgba(56,189,248,.12);
  font-weight: var(--font-weight-semibold);
}
.sidebar-nav-link.active::before { height: 100%; border-radius: var(--radius-md) 0 0 var(--radius-md); width: 3px; }

/* ─── Copy Email Button ──────────────────────────────────────────────────── */
.copy-email-btn {
  background: none;
  border: 1px solid rgba(56,189,248,.2);
  border-radius: var(--radius-sm);
  color: #64748B;
  width: 22px;
  height: 22px;
  min-height: auto;
  min-width: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  font-size: 10px;
  margin-left: auto;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.copy-email-btn:hover {
  background: rgba(56,189,248,.12);
  border-color: var(--primary-color);
  color: var(--primary-color);
}
.copy-email-btn:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}
.copy-email-btn.copied {
  color: #34D399;
  border-color: rgba(52,211,153,.3);
  background: rgba(52,211,153,.1);
}

/* Email list item layout for copy button */
.contact-list li.email {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ─── Mobile Collapsible Sidebar Sections ────────────────────────────────── */
details.mobile-collapsible {
  padding: var(--spacing-md) var(--spacing-xl);
  border-bottom: 1px solid var(--sidebar-border);
}
details.mobile-collapsible:last-child {
  border-bottom: none;
}
details.mobile-collapsible > summary.mobile-collapsible-header {
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 0;
  color: #475569;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition-fast);
}
details.mobile-collapsible > summary.mobile-collapsible-header::-webkit-details-marker { display: none; }
details.mobile-collapsible > summary.mobile-collapsible-header::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 9px;
  opacity: .5;
  transition: transform var(--transition-fast);
}
details.mobile-collapsible[open] > summary.mobile-collapsible-header::after {
  transform: rotate(180deg);
}
details.mobile-collapsible > summary.mobile-collapsible-header:hover {
  color: var(--primary-color);
}
details.mobile-collapsible > *:not(summary) {
  margin-top: var(--spacing-md);
}
/* On desktop: disable toggle behaviour visually */
@media (min-width: 769px) {
  details.mobile-collapsible > summary.mobile-collapsible-header {
    cursor: default;
    pointer-events: none;
  }
  details.mobile-collapsible > summary.mobile-collapsible-header::after {
    display: none;
  }
}

/* ─── Experience — Details Block ─────────────────────────────────────────── */
.details-block {
  margin-top: var(--spacing-sm);
}
.details-summary {
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  user-select: none;
  transition: color var(--transition-fast);
}
.details-summary::-webkit-details-marker { display: none; }
.details-summary:hover { color: var(--primary-dark); }
.details-chevron {
  font-size: 9px;
  transition: transform var(--transition-fast);
  opacity: .6;
}
.details-block[open] .details-chevron {
  transform: rotate(180deg);
}
.details-body {
  padding-top: var(--spacing-xs);
}
.details-body p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0 0 var(--spacing-sm);
  line-height: var(--line-height-base);
}

/* ─── Tech Tags ──────────────────────────────────────────────────────────── */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--spacing-xs);
}
.tech-tag {
  background: rgba(56,189,248,.08);
  border: 1px solid rgba(56,189,248,.18);
  color: var(--primary-accessible);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  letter-spacing: .03em;
  transition: all var(--transition-fast);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.tech-tag:hover {
  background: rgba(56,189,248,.15);
  border-color: rgba(56,189,248,.35);
}
html[data-theme="dark"] .tech-tag {
  background: rgba(56,189,248,.10);
  border-color: rgba(56,189,248,.22);
  color: #7DD3FC;
}

/* ─── Skill Category Grouping ────────────────────────────────────────────── */
.skill-category {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--divider);
}
.skill-category:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.skill-category-title {
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin: 0 0 var(--spacing-md);
}

/* Level title hover tooltip */
.skillset .level-title[title] {
  cursor: help;
}
.skillset .level-title[title]:hover {
  color: var(--primary-dark);
}

/* ─── Project Cards ──────────────────────────────────────────────────────── */
.project-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
}
@media (max-width: 600px) {
  .project-cards {
    grid-template-columns: 1fr;
  }
}

.project-card {
  background: var(--background);
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}
.project-card:hover {
  border-color: rgba(56,189,248,.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.project-card:hover::before { transform: scaleX(1); }

.project-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}
.project-card-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  flex-shrink: 0;
  box-shadow: var(--shadow-primary);
}
.project-card-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  line-height: 1.3;
}
.project-card-title a {
  color: var(--text-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.project-card-title a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}
.project-card-desc {
  font-size: 11px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
  flex-grow: 1;
}
.project-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: var(--primary-accessible);
  text-decoration: none;
  padding: 5px 0;
  border-top: 1px solid var(--divider);
  margin-top: auto;
  transition: all var(--transition-fast);
}
.project-card-cta:hover {
  color: var(--primary-color);
  text-decoration: none;
  gap: 8px;
}
.project-card-cta i {
  font-size: 9px;
  transition: transform var(--transition-fast);
}
.project-card-cta:hover i { transform: translateX(3px); }

/* ─── Domain Badges ──────────────────────────────────────────────────────── */
.project-domain-badge {
  font-size: 9px;
  font-weight: var(--font-weight-bold);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: .06em;
  flex-shrink: 0;
}
.domain-finance {
  background: rgba(245,158,11,.12);
  color: #B45309;
  border: 1px solid rgba(245,158,11,.2);
}
.domain-energy {
  background: rgba(52,211,153,.12);
  color: #059669;
  border: 1px solid rgba(52,211,153,.2);
}
.domain-telecom {
  background: rgba(139,92,246,.12);
  color: #7C3AED;
  border: 1px solid rgba(139,92,246,.2);
}
html[data-theme="dark"] .domain-finance { color: #FCD34D; }
html[data-theme="dark"] .domain-energy { color: #6EE7B7; }
html[data-theme="dark"] .domain-telecom { color: #C4B5FD; }

/* ─── Career Profile Bullets — Checkmark SVG ────────────────────────────── */
.summary-section .summary ul li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: var(--primary-dark);
  border-radius: 50%;
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='white' d='M6.5 11.5L3 8l1-1 2.5 2.5 5.5-5.5 1 1z'/%3E%3C/svg%3E");
  mask-size: cover;
  mask-repeat: no-repeat;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='white' d='M6.5 11.5L3 8l1-1 2.5 2.5 5.5-5.5 1 1z'/%3E%3C/svg%3E");
  -webkit-mask-size: cover;
  -webkit-mask-repeat: no-repeat;
}

/* ─── Link hover animated underline ─────────────────────────────────────── */
.main-wrapper a:not(.project-card-cta):not(.project-card-title a) {
  position: relative;
}
.main-wrapper a:not(.project-card-cta):not(.project-card-title a)::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--primary-color);
  transition: width var(--transition-fast);
}
.main-wrapper a:not(.project-card-cta):not(.project-card-title a):hover::after {
  width: 100%;
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  display: block;
  background: var(--background-alt);
  border-top: 1px solid transparent;
  background-clip: padding-box;
  position: relative;
  margin-top: var(--spacing-xl);
  transition: background-color var(--transition-base);
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), var(--accent), transparent);
  opacity: .4;
}
.footer-content {
  max-width: 980px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.footer .copyright {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}
.footer-updated {
  font-size: 11px;
  color: var(--text-muted);
  margin: 0;
}
.footer-social {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--background);
  border: 1px solid var(--divider);
  color: var(--text-muted);
  font-size: 14px;
  text-decoration: none;
  transition: all var(--transition-fast);
}
.footer-social a:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
}
.footer-social a:hover::after { display: none; } /* remove underline for icon links */
.footer-built {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
  margin: 0;
}
.footer-heart {
  color: #F87171;
  font-size: 12px;
}
.footer-tech {
  background: var(--background);
  border: 1px solid var(--divider);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  letter-spacing: .03em;
}
@media (max-width: 600px) {
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }
}

/* ─── Content Visibility (Performance) ──────────────────────────────────── */
.experiences-section,
.projects-section,
.skills-section {
  content-visibility: auto;
  contain-intrinsic-size: 0 300px;
}

/* ─── High Contrast Mode ─────────────────────────────────────────────────── */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0EA5E9;
    --primary-dark:  #0284C7;
    --text-secondary: #1E293B;
    --text-muted: #374155;
    --divider: #94A3B8;
  }
  .tech-tag,
  .project-domain-badge {
    border-width: 2px;
    font-weight: var(--font-weight-bold);
  }
  .sidebar-wrapper a:hover { text-decoration: underline; }
  .project-card { border-width: 2px; }
  .experiences-section .item { border-left-width: 3px; }
}

/* ─── Transition completeness — ensure border-color transitions ──────────── */
.main-wrapper .section,
.sidebar-wrapper .container-block,
details.mobile-collapsible,
.project-card,
.tech-tag,
.footer {
  transition-property: background-color, color, border-color, box-shadow;
  transition-duration: var(--transition-base);
  transition-timing-function: cubic-bezier(.4,0,.2,1);
}

/* ═══════════════════════════════════════════════════════════════════════════
   AI REPRESENTATION THEME — Subtle, Professional AI Practitioner Indicators
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── AI Design Tokens ───────────────────────────────────────────────────── */
:root {
  --ai-color:       #A855F7;   /* Purple 500 — AI accent            */
  --ai-dark:        #9333EA;   /* Purple 600                        */
  --ai-light:       #D8B4FE;   /* Purple 200 — subtle tint          */
  --ai-glow:        rgba(168, 85, 247, .15);
}

/* ─── AI Practitioner Badge (sidebar profile) ────────────────────────────── */
.ai-practitioner-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(168, 85, 247, .12);
  border: 1px solid rgba(168, 85, 247, .28);
  color: var(--ai-light);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  margin-top: var(--spacing-sm);
  letter-spacing: .02em;
  transition: all var(--transition-fast);
}
.ai-practitioner-badge i {
  font-size: 11px;
  color: var(--ai-light);
}
.ai-practitioner-badge:hover {
  background: rgba(168, 85, 247, .20);
  border-color: rgba(168, 85, 247, .45);
}

@media (prefers-reduced-motion: no-preference) {
  .ai-practitioner-badge {
    animation: nameReveal 0.6s 0.45s ease-out both;
  }
}

/* ─── AI Skill Category — violet accent ─────────────────────────────────── */
.skill-category.ai-category .skill-category-title {
  color: var(--ai-color);
}
.skill-category.ai-category .skill-category-title i {
  margin-right: var(--spacing-xs);
  font-size: 10px;
}
.skill-category.ai-category .progress-bar {
  background: linear-gradient(90deg, var(--ai-dark) 0%, var(--ai-color) 100%);
}
.skill-category.ai-category .progress-bar::before {
  background: var(--ai-color);
  box-shadow: 0 0 6px var(--ai-glow);
}
.skill-category.ai-category .progress-bar::after {
  color: var(--ai-color);
}
html[data-theme="dark"] .skill-category.ai-category .skill-category-title {
  color: var(--ai-light);
}
html[data-theme="dark"] .skill-category.ai-category .progress-bar::after {
  color: var(--ai-light);
}

/* ─── Footer AI sparkle icon ─────────────────────────────────────────────── */
.footer-ai {
  color: var(--ai-color);
  font-size: 12px;
}
html[data-theme="dark"] .footer-ai {
  color: var(--ai-light);
}

/* ─── AI tech tag variant ────────────────────────────────────────────────── */
.tech-tag.tech-tag-ai {
  background: rgba(168, 85, 247, .08);
  border-color: rgba(168, 85, 247, .22);
  color: var(--ai-dark);
}
.tech-tag.tech-tag-ai:hover {
  background: rgba(168, 85, 247, .15);
  border-color: rgba(168, 85, 247, .4);
}
html[data-theme="dark"] .tech-tag.tech-tag-ai {
  background: rgba(168, 85, 247, .12);
  border-color: rgba(168, 85, 247, .28);
  color: var(--ai-light);
}

/* === enhancements.css === */
/* Performance and Accessibility Enhancements */

/* Enhance button accessibility - minimum touch target size per WCAG 2.5.8 */
button {
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

/* Add loading states for images */
img {
  transition: opacity var(--transition-fast);
}

img[loading="lazy"] {
  opacity: 0;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* Enhance skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: var(--background-alt);
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 1001;
  font-weight: var(--font-weight-bold);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* Performance optimizations */
.wrapper {
  contain: layout style;
}

.sidebar-wrapper {
  contain: layout style;
}

.main-wrapper {
  contain: layout style;
}

/* Smooth scroll for in-page navigation */
html {
  scroll-behavior: smooth;
}

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

/* High DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
  .theme-toggle {
    border-width: 1px;
  }
}

/* ======= Modern UI Enhancements ======= */

/* Toast animation distance */
:root {
  --toast-slide-distance: 400px;
}

/* Back to Top Button - Modern UX Pattern */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--primary-dark);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--primary-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.9);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  font-size: 18px;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  background: var(--primary-darker);
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.back-to-top:active {
  transform: translateY(-2px) scale(1);
  transition: all 0.1s ease;
}

.back-to-top:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 4px;
}

/* Mobile optimization for back-to-top */
@media (max-width: 768px) {
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    font-size: 16px;
  }
}

/* Toast Notification - Modern Feedback Pattern */
.theme-toast {
  position: fixed;
  top: 5rem;
  right: 2rem;
  background: var(--background-alt);
  color: var(--text-color);
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  transform: translateX(var(--toast-slide-distance));
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
  border: 1px solid var(--divider);
  font-size: 0.9rem;
  font-weight: 500;
  min-width: 200px;
}

.theme-toast.show {
  opacity: 1;
  transform: translateX(0);
}

.theme-toast .toast-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.theme-toast .toast-message {
  flex: 1;
}

/* Dark theme specific toast styling */
html[data-theme="dark"] .theme-toast {
  background: var(--background-alt);
  color: var(--text-color);
  border-color: var(--divider);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Mobile optimization for toast */
@media (max-width: 768px) {
  .theme-toast {
    top: 4rem;
    right: 1rem;
    left: 1rem;
    min-width: auto;
    padding: 0.875rem 1.25rem;
  }
}

/* Skill Bar Animations - Progressive Enhancement */
/* Only apply will-change during animation to save GPU memory */
.skillset .progress-bar[style*="transition"] {
  will-change: width;
}

/* Loading state skeleton for progressive disclosure */
.skillset .item.loading .progress-bar {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading-skeleton 1.5s ease-in-out infinite;
}

@keyframes loading-skeleton {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

html[data-theme="dark"] .skillset .item.loading .progress-bar {
  background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
  background-size: 200% 100%;
}

/* Smooth entrance animations for sections */
@media (prefers-reduced-motion: no-preference) {
  .section {
    animation: fadeInUp 0.6s ease-out;
  }
  
  .section:nth-child(2) {
    animation-delay: 0.1s;
  }
  
  .section:nth-child(3) {
    animation-delay: 0.2s;
  }
  
  .section:nth-child(4) {
    animation-delay: 0.3s;
  }
}

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

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .theme-toast,
  .back-to-top {
    transition: opacity 0.1s linear, visibility 0.1s linear;
  }
  
  .section {
    animation: none;
  }
  
  .skillset .item.loading .progress-bar {
    animation: none;
  }
}

/* Container queries for modern layout */
@supports (container-type: inline-size) {
  .skillset {
    container-type: inline-size;
  }
  
  @container (min-width: 400px) {
    .skillset .level-title {
      display: inline-block;
      width: 30%;
      float: left;
    }
    
    .skillset .progress {
      display: inline-block;
      width: 68%;
      float: right;
    }
  }
}