/* ==========================================================================
   Ankit Roy — Personal Portfolio Stylesheet
   Modern, Vibrant, Attractive & Handcrafted (Pure HTML & CSS)
   ========================================================================== */

:root,
[data-theme="dark"] {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Default Dark Theme: Inverted Deep Teal & Warm Gold Palette */
  --bg-page: #1a313a;                  /* Dark Deep Teal */
  --bg-card: #264653;                  /* Deep Teal Cards */
  --bg-card-hover: #2c4f5d;
  --bg-subtle: #1e3742;
  --text-main: #FFFFFF;                /* White Accent */
  --text-muted: #d5e0e5;               /* Soft Icy White-Teal */
  --text-faint: #E9C46A;               /* Warm Gold */
  --border: rgba(233, 196, 106, 0.25);
  --border-hover: #E9C46A;
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 34px rgba(0, 0, 0, 0.5);

  --primary: #E9C46A;                  /* Warm Gold */
  --primary-hover: #f3d485;
  --primary-light: rgba(233, 196, 106, 0.15);
  --primary-gradient: linear-gradient(135deg, #2A9D8F 0%, #E9C46A 100%);
  --secondary: #2A9D8F;                /* Vibrant Green */
  --secondary-hover: #3bc5b5;
  --secondary-light: rgba(42, 157, 143, 0.2);
  --accent: #FFFFFF;
  --accent-gold: #E9C46A;
  --badge-glow: rgba(233, 196, 106, 0.3);

  --nav-bg: rgba(38, 70, 83, 0.92);
  --nav-border: rgba(233, 196, 106, 0.25);
  --nav-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.35);
  --nav-link-hover-bg: rgba(233, 196, 106, 0.15);

  --cat-rpa-bg: rgba(233, 196, 106, 0.15);
  --cat-rpa-border: rgba(233, 196, 106, 0.35);
  --cat-rpa-text: #E9C46A;
  --cat-dev-bg: rgba(42, 157, 143, 0.2);
  --cat-dev-border: rgba(42, 157, 143, 0.45);
  --cat-dev-text: #6ee7b7;
  --cat-db-bg: rgba(233, 196, 106, 0.15);
  --cat-db-border: rgba(233, 196, 106, 0.35);
  --cat-db-text: #E9C46A;
  --cat-lead-bg: rgba(42, 157, 143, 0.2);
  --cat-lead-border: rgba(42, 157, 143, 0.45);
  --cat-lead-text: #6ee7b7;
  --cat-ai-bg: rgba(42, 157, 143, 0.2);
  --cat-ai-border: rgba(42, 157, 143, 0.45);
  --cat-ai-text: #6ee7b7;
  --cat-idp-bg: rgba(233, 196, 106, 0.15);
  --cat-idp-border: rgba(233, 196, 106, 0.35);
  --cat-idp-text: #E9C46A;

  --dot-green: #2A9D8F;
  --dot-green-glow: rgba(42, 157, 143, 0.5);
}

[data-theme="gold"],
[data-theme="light"] {
  /* Warm Gold Light Palette */
  --bg-page: #E9C46A;                  /* Warm Gold Background */
  --bg-card: #FFFFFF;                  /* White Accent Cards */
  --bg-card-hover: #FFFFFF;
  --bg-subtle: #F6F8F9;
  --text-main: #264653;                /* Deep Teal Text */
  --text-muted: #3d5f6d;               /* Soft Deep Teal */
  --text-faint: #607d8b;
  --border: rgba(38, 70, 83, 0.15);
  --border-hover: #264653;
  --shadow-sm: 0 2px 6px rgba(38, 70, 83, 0.08);
  --shadow-md: 0 6px 18px rgba(38, 70, 83, 0.12);
  --shadow-lg: 0 12px 32px rgba(38, 70, 83, 0.16);

  --primary: #264653;                  /* Deep Teal */
  --primary-hover: #1d353f;
  --primary-light: rgba(38, 70, 83, 0.09);
  --primary-gradient: linear-gradient(135deg, #264653 0%, #2A9D8F 100%);
  --secondary: #2A9D8F;                /* Vibrant Green */
  --secondary-hover: #21867a;
  --secondary-light: rgba(42, 157, 143, 0.12);
  --accent: #FFFFFF;                   /* White Accent */
  --accent-gold: #E9C46A;              /* Warm Gold */
  --badge-glow: rgba(38, 70, 83, 0.2);

  --nav-bg: rgba(255, 255, 255, 0.94);
  --nav-border: rgba(38, 70, 83, 0.15);
  --nav-shadow: 0 4px 20px -2px rgba(38, 70, 83, 0.12);
  --nav-link-hover-bg: rgba(38, 70, 83, 0.08);

  --cat-rpa-bg: rgba(38, 70, 83, 0.08);
  --cat-rpa-border: rgba(38, 70, 83, 0.25);
  --cat-rpa-text: #264653;
  --cat-dev-bg: rgba(38, 70, 83, 0.08);
  --cat-dev-border: rgba(38, 70, 83, 0.25);
  --cat-dev-text: #264653;
  --cat-db-bg: rgba(42, 157, 143, 0.12);
  --cat-db-border: rgba(42, 157, 143, 0.35);
  --cat-db-text: #21867a;
  --cat-lead-bg: rgba(38, 70, 83, 0.08);
  --cat-lead-border: rgba(38, 70, 83, 0.25);
  --cat-lead-text: #264653;
  --cat-ai-bg: rgba(42, 157, 143, 0.12);
  --cat-ai-border: rgba(42, 157, 143, 0.35);
  --cat-ai-text: #21867a;
  --cat-idp-bg: rgba(233, 196, 106, 0.25);
  --cat-idp-border: rgba(233, 196, 106, 0.6);
  --cat-idp-text: #264653;

  --dot-green: #2A9D8F;
  --dot-green-glow: rgba(42, 157, 143, 0.5);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  background-image: 
    radial-gradient(at 0% 0%, rgba(42, 157, 143, 0.16) 0px, transparent 50%),
    radial-gradient(at 100% 10%, rgba(38, 70, 83, 0.1) 0px, transparent 50%),
    radial-gradient(at 50% 90%, rgba(255, 255, 255, 0.18) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.65;
  font-size: 1rem;
  letter-spacing: -0.012em;
  transition: background-color 0.25s ease, color 0.25s ease;
  min-height: 100vh;
}

/* Layout Container */
.site-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.75rem 2rem 5.5rem;
}

/* Top Navigation (Frosted Floating Bar) */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.55rem 1.25rem;
  background-color: var(--nav-bg);
  border: 1px solid var(--nav-border);
  border-radius: 9999px;
  box-shadow: var(--nav-shadow);
  margin-bottom: 2.75rem;
  position: sticky;
  top: 1rem;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.2s ease;
}

.brand-mark {
  font-size: 0.925rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-badge {
  background: var(--primary-gradient);
  color: #ffffff;
  padding: 0.18rem 0.58rem;
  border-radius: 9999px;
  font-size: 0.725rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(38, 70, 83, 0.25);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.865rem;
  font-weight: 550;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.32rem 0.62rem;
  border-radius: 9999px;
  transition: all 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links a:hover {
  color: var(--text-main);
  background-color: var(--nav-link-hover-bg);
}

.nav-links a.nav-link-highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  background: var(--primary-gradient);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.825rem;
  letter-spacing: -0.01em;
  padding: 0.32rem 0.75rem;
  border-radius: 9999px;
  box-shadow: 0 2px 10px rgba(42, 157, 143, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.25);
  position: relative;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links a.nav-link-highlight:hover {
  transform: translateY(-2px);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(42, 157, 143, 0.5);
  border-color: rgba(233, 196, 106, 0.8);
}

.nav-sparkle-icon {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.nav-links a.nav-link-highlight:hover .nav-sparkle-icon {
  transform: rotate(20deg) scale(1.18);
}

.nav-highlight-badge {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.1rem 0.45rem;
  border-radius: 9999px;
  line-height: 1.2;
}

/* Dark Mode: Vibrant Green to Warm Gold with punchy dark teal text and gold halo glow */
:root .nav-links a.nav-link-highlight,
[data-theme="dark"] .nav-links a.nav-link-highlight {
  background: linear-gradient(135deg, #2A9D8F 0%, #E9C46A 100%);
  color: #1a313a;
  border: 1px solid #E9C46A;
  box-shadow: 0 0 14px rgba(233, 196, 106, 0.38), 0 2px 6px rgba(0, 0, 0, 0.3);
}

:root .nav-links a.nav-link-highlight:hover,
[data-theme="dark"] .nav-links a.nav-link-highlight:hover {
  background: linear-gradient(135deg, #35b3a3 0%, #f3d485 100%);
  color: #1a313a;
  box-shadow: 0 0 22px rgba(233, 196, 106, 0.65), 0 4px 12px rgba(0, 0, 0, 0.4);
}

:root .nav-links a.nav-link-highlight .nav-highlight-badge,
[data-theme="dark"] .nav-links a.nav-link-highlight .nav-highlight-badge {
  background-color: rgba(26, 49, 58, 0.22);
  color: #1a313a;
  border: 1px solid rgba(26, 49, 58, 0.25);
}

/* Warm Gold Mode: Deep Teal to Vibrant Green with crisp white text */
[data-theme="gold"] .nav-links a.nav-link-highlight,
[data-theme="light"] .nav-links a.nav-link-highlight {
  background: linear-gradient(135deg, #264653 0%, #2A9D8F 100%);
  color: #ffffff;
  border: 1px solid rgba(38, 70, 83, 0.25);
  box-shadow: 0 2px 10px rgba(38, 70, 83, 0.25);
}

[data-theme="gold"] .nav-links a.nav-link-highlight:hover,
[data-theme="light"] .nav-links a.nav-link-highlight:hover {
  background: linear-gradient(135deg, #1d353f 0%, #21867a 100%);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(38, 70, 83, 0.38);
}

[data-theme="gold"] .nav-links a.nav-link-highlight .nav-highlight-badge,
[data-theme="light"] .nav-links a.nav-link-highlight .nav-highlight-badge {
  background-color: rgba(255, 255, 255, 0.22);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.theme-toggle {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: rotate(20deg) scale(1.05);
  box-shadow: 0 0 12px var(--badge-glow);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Hero Showcase Header */
.hero {
  margin-bottom: 2rem;
}

.hero-card {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2.25rem 2.5rem;
  box-shadow: var(--shadow-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.hero-card:hover {
  box-shadow: var(--shadow-lg);
}

.hero-profile {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.avatar-ring {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, #264653 0%, #2A9D8F 60%, #E9C46A 100%);
  box-shadow: 0 4px 16px rgba(38, 70, 83, 0.2);
  flex-shrink: 0;
  cursor: pointer;
  outline: none;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
}

.avatar-ring:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 24px rgba(42, 157, 143, 0.45);
}

.avatar-ring:focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 4px;
}

[data-theme="dark"] .avatar-ring {
  background: linear-gradient(135deg, #2A9D8F 0%, #E9C46A 100%);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 25%;
  display: block;
  border: 2.5px solid var(--bg-card);
  background-color: var(--bg-card);
  pointer-events: none;
}

.hero-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hero-name {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--text-main);
}

.hero-role {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--secondary);
  line-height: 1.4;
}

[data-theme="dark"] .hero-role {
  color: #E9C46A;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 0.15rem;
}

.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 550;
  color: var(--text-faint);
}

.hero-meta-item svg {
  width: 15px;
  height: 15px;
  color: var(--secondary);
  flex-shrink: 0;
}

.hero-bio {
  font-size: 0.985rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 1.35rem 0 1.65rem;
  max-width: 820px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn-primary-action {
  background: var(--primary-gradient);
  color: #ffffff;
  text-decoration: none;
  font-size: 0.885rem;
  font-weight: 650;
  padding: 0.65rem 1.35rem;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  box-shadow: 0 4px 14px rgba(38, 70, 83, 0.2);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary-action:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #2A9D8F 0%, #264653 100%);
  box-shadow: 0 6px 20px rgba(42, 157, 143, 0.35);
}

.btn-primary-action svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s ease;
}

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

.btn-action {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 550;
  padding: 0.65rem 1.05rem;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-action svg {
  width: 15px;
  height: 15px;
  color: var(--primary);
  transition: transform 0.2s ease;
}

.btn-action:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateY(-2px);
  background-color: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.btn-action:hover svg {
  color: var(--secondary);
  transform: scale(1.1);
}

/* Avatar Modal Popup Lightbox */
.modal-overlay[hidden] {
  display: none !important;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: transparent;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(10, 25, 33, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-dialog {
  position: relative;
  z-index: 2;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.25rem;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: modalScaleIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleIn {
  from {
    transform: scale(0.92);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(26, 49, 58, 0.8);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10;
}

.modal-close-btn:hover {
  transform: scale(1.1) rotate(90deg);
  background-color: #2A9D8F;
  border-color: #2A9D8F;
  color: #ffffff;
}

.modal-close-btn svg {
  width: 18px;
  height: 18px;
}

.modal-image-wrapper {
  width: 100%;
  max-height: 65vh;
  overflow: hidden;
  border-radius: 14px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--bg-subtle);
}

.modal-image {
  width: 100%;
  height: auto;
  max-height: 65vh;
  object-fit: contain;
  border-radius: 14px;
  display: block;
}

.modal-caption {
  text-align: center;
  margin-top: 1rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.modal-subtitle {
  font-size: 0.875rem;
  color: var(--secondary);
  font-weight: 600;
  margin-top: 0.2rem;
}

[data-theme="dark"] .modal-subtitle {
  color: #E9C46A;
}

/* Prevent body scroll when modal open */
body.modal-open {
  overflow: hidden;
}

/* Quick Metrics Bar */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.15rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 720px) {
  .metrics-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  opacity: 0.9;
}

.metric-card:nth-child(2)::before { background: var(--secondary); }
.metric-card:nth-child(3)::before { background: var(--primary); }
.metric-card:nth-child(4)::before { background: var(--secondary); }

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.metric-value {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.775rem;
  font-weight: 550;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Section Headings */
section {
  margin-top: 3.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.section-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background-color: var(--primary-light);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
}

.section-header h2 {
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

/* Prose Styling (About & Overview) */
.about-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.prose {
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.7;
}

.prose p {
  margin-bottom: 1.15rem;
}

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

.prose strong {
  color: var(--text-main);
  font-weight: 650;
}

/* Highlights Grid */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.highlight-item {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.highlight-item:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.highlight-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.highlight-content {
  font-size: 0.885rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.highlight-content strong {
  color: var(--text-main);
  font-weight: 650;
}

/* Experience Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}

.timeline-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.timeline-item:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.role-group {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.role-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.company-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

.period-pill {
  font-size: 0.775rem;
  font-family: var(--font-mono);
  font-weight: 550;
  padding: 0.25rem 0.65rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 9999px;
  white-space: nowrap;
}

.period-pill.current {
  background-color: var(--primary-light);
  border-color: rgba(37, 99, 235, 0.25);
  color: var(--primary);
  font-weight: 600;
}

.timeline-desc {
  font-size: 0.9125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border);
}

.mini-tag {
  font-size: 0.75rem;
  font-weight: 550;
  color: var(--text-faint);
  background-color: var(--bg-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

/* Certifications with Logos */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.15rem;
}

@media (min-width: 960px) {
  .cert-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cert-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 1.15rem;
  align-items: flex-start;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.cert-card:hover {
  transform: translateY(-2px);
  border-color: #f97316;
  box-shadow: var(--shadow-md);
}

.cert-logo-box {
  width: 54px;
  height: 54px;
  border-radius: 10px;
  background-color: #ffffff;
  border: 1px solid var(--border);
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.cert-logo-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.cert-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cert-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cert-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
}

.cert-verify-badge {
  display: inline-flex;
  align-items: center;
  color: #10b981;
  flex-shrink: 0;
}

.cert-verify-badge svg {
  width: 16px;
  height: 16px;
}

.cert-meta {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--primary);
  font-weight: 550;
}

.cert-summary {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-top: 0.2rem;
}

/* Skills Cards - Color Categorized (Full-Width Category Sections) */
.skills-grid {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.skill-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: 14px;
  padding: 1.35rem 1.6rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.skill-box.rpa { border-left-color: var(--primary); }
.skill-box.ai { border-left-color: var(--secondary); }
.skill-box.idp { border-left-color: var(--accent-gold); }
.skill-box.dev { border-left-color: var(--primary); }
.skill-box.db { border-left-color: var(--secondary); }
.skill-box.lead { border-left-color: var(--primary); }

.skill-box-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.skill-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.skill-box.rpa .skill-icon-wrap { background: var(--cat-rpa-bg); color: var(--cat-rpa-text); }
.skill-box.ai .skill-icon-wrap { background: var(--cat-ai-bg); color: var(--cat-ai-text); }
.skill-box.idp .skill-icon-wrap { background: var(--cat-idp-bg); color: var(--cat-idp-text); }
.skill-box.dev .skill-icon-wrap { background: var(--cat-dev-bg); color: var(--cat-dev-text); }
.skill-box.db .skill-icon-wrap { background: var(--cat-db-bg); color: var(--cat-db-text); }
.skill-box.lead .skill-icon-wrap { background: var(--cat-lead-bg); color: var(--cat-lead-text); }

.skill-box-title {
  font-size: 1.025rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  font-size: 0.835rem;
  font-weight: 550;
  padding: 0.35rem 0.75rem;
  border-radius: 7px;
  transition: all 0.15s ease;
}

.chip.rpa { background-color: var(--cat-rpa-bg); border: 1px solid var(--cat-rpa-border); color: var(--cat-rpa-text); }
.chip.ai { background-color: var(--cat-ai-bg); border: 1px solid var(--cat-ai-border); color: var(--cat-ai-text); }
.chip.idp { background-color: var(--cat-idp-bg); border: 1px solid var(--cat-idp-border); color: var(--cat-idp-text); }
.chip.dev { background-color: var(--cat-dev-bg); border: 1px solid var(--cat-dev-border); color: var(--cat-dev-text); }
.chip.db { background-color: var(--cat-db-bg); border: 1px solid var(--cat-db-border); color: var(--cat-db-text); }
.chip.lead { background-color: var(--cat-lead-bg); border: 1px solid var(--cat-lead-border); color: var(--cat-lead-text); }

.chip:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
}

/* Training Box */
.training-box {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.training-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px dashed var(--border);
}

.training-row:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.training-row-label {
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Education */
.education-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.edu-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.edu-degree {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.edu-field {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 550;
}

.edu-year {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-faint);
  margin-top: 0.25rem;
}

/* Contact Channels */
.contact-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

@media (min-width: 840px) {
  .channels-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.channel-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  transition: all 0.2s ease;
}

.channel-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.channel-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-icon.blue { background-color: rgba(38, 70, 83, 0.1); color: var(--primary); }
.channel-icon.green { background-color: rgba(42, 157, 143, 0.15); color: var(--dot-green); }
.channel-icon.orange { background-color: rgba(233, 196, 106, 0.3); color: var(--primary); }
.channel-icon.purple { background-color: rgba(38, 70, 83, 0.12); color: var(--primary); }

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

.channel-info {
  display: flex;
  flex-direction: column;
}

.channel-type {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

.channel-address {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  word-break: break-all;
}

/* Contact Details in Text Format */
.contact-text-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.contact-text-header {
  margin-bottom: 1.35rem;
}

.contact-text-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.contact-text-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  line-height: 1.5;
}

.contact-text-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--border);
}

.contact-text-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-text-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

.contact-text-value {
  font-size: 0.95rem;
  font-weight: 550;
  color: var(--text-main);
}

.contact-text-value a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s ease;
}

.contact-text-value a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Contact Form Box (deprecated/optional) */
.form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

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

.form-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.form-header p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background-color: var(--bg-subtle);
  color: var(--text-main);
  transition: all 0.2s ease;
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background-color: var(--bg-card);
  box-shadow: 0 0 0 3px var(--primary-light);
}

textarea.form-input {
  min-height: 105px;
  resize: vertical;
}

.btn-gradient {
  align-self: flex-start;
  background: var(--primary-gradient);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.45);
}

.btn-gradient:active {
  transform: translateY(0);
}

/* Footer */
footer {
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsive Adjustments */
@media (max-width: 900px) {
  .hero-card {
    padding: 2rem 1.75rem;
  }
}

@media (max-width: 1160px) {
  .nav-links {
    gap: 0.2rem;
    font-size: 0.825rem;
  }

  .nav-links a {
    padding: 0.3rem 0.5rem;
  }

  .brand-mark {
    font-size: 0.885rem;
    gap: 0.45rem;
  }
}

@media (max-width: 980px) {
  .nav-links a:not(.nav-link-highlight) {
    display: none;
  }

  .nav-links a.nav-link-highlight {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 640px) {
  .site-wrapper {
    padding: 1.5rem 1rem 4rem;
  }

  .top-nav {
    margin-bottom: 2rem;
    padding: 0.5rem 0.85rem;
  }

  .nav-links {
    display: flex;
  }

  .nav-links a:not(.nav-link-highlight) {
    display: none;
  }

  .nav-links a.nav-link-highlight {
    padding: 0.28rem 0.65rem;
    font-size: 0.775rem;
  }

  .nav-links a.nav-link-highlight .nav-highlight-badge {
    display: none;
  }

  .hero-profile {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .hero-name {
    font-size: 1.85rem;
  }

  .hero-card {
    padding: 1.5rem 1.25rem;
    border-radius: 16px;
  }

  .hero-actions {
    width: 100%;
  }

  .btn-primary-action,
  .btn-action {
    flex: 1 1 calc(50% - 0.5rem);
    justify-content: center;
  }

  .metrics-bar {
    grid-template-columns: 1fr 1fr;
  }

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

  .form-split {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .brand-badge {
    display: none;
  }
}