/* ══════════════════════════════════════════════════════════════
   work.css – Modern Engineering Projects & Experience Design System
   Sleek Obsidian Dark Mode (Default) + Crisp Glass Light Mode
   Interactive Filter Pills, Search Bar, Rich Cards & Modals
   ══════════════════════════════════════════════════════════════ */

:root {
  /* Dark Theme (Default) */
  --w-bg: #070b14;
  --w-bg-secondary: #0c1220;
  --w-paper: rgba(14, 22, 38, 0.75);
  --w-paper-solid: #0e1626;
  --w-paper-hover: rgba(20, 32, 56, 0.9);
  --w-ink: #f8fafc;
  --w-ink-secondary: #cbd5e1;
  --w-muted: #8e9cb2;
  --w-line: rgba(255, 255, 255, 0.08);
  --w-line-hover: rgba(56, 189, 248, 0.35);

  --w-cyan: #06b6d4;
  --w-cyan-glow: rgba(6, 182, 212, 0.25);
  --w-blue: #38bdf8;
  --w-purple: #818cf8;
  --w-emerald: #10b981;
  --w-amber: #f59e0b;

  --w-radius-sm: 8px;
  --w-radius-md: 14px;
  --w-radius-lg: 20px;
  --w-radius-full: 9999px;

  --w-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --w-shadow-md: 0 12px 32px -8px rgba(0, 0, 0, 0.45);
  --w-shadow-lg: 0 24px 60px -12px rgba(0, 0, 0, 0.6);
  --w-glow-card: 0 20px 40px -10px rgba(0, 0, 0, 0.5), 0 0 30px rgba(56, 189, 248, 0.08);
}

[data-theme="light"] {
  --w-bg: #f8fafc;
  --w-bg-secondary: #f1f5f9;
  --w-paper: rgba(255, 255, 255, 0.85);
  --w-paper-solid: #ffffff;
  --w-paper-hover: #ffffff;
  --w-ink: #0f172a;
  --w-ink-secondary: #334155;
  --w-muted: #64748b;
  --w-line: rgba(15, 23, 42, 0.09);
  --w-line-hover: rgba(2, 132, 199, 0.35);

  --w-cyan: #0891b2;
  --w-cyan-glow: rgba(8, 145, 178, 0.15);
  --w-blue: #0284c7;
  --w-purple: #6366f1;
  --w-emerald: #059669;
  --w-amber: #d97706;

  --w-shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --w-shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
  --w-shadow-lg: 0 20px 45px -10px rgba(15, 23, 42, 0.12);
  --w-glow-card: 0 15px 35px -5px rgba(15, 23, 42, 0.08);
}

body.work-redesign {
  background-color: var(--w-bg);
  color: var(--w-ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.65;
  margin: 0;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Ambient Radial Mesh Lighting */
body.work-redesign::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background:
    radial-gradient(ellipse 60% 45% at 20% 12%, rgba(6, 182, 212, 0.12), transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 25%, rgba(129, 140, 248, 0.1), transparent 70%);
}

[data-theme="light"] body.work-redesign::before {
  background:
    radial-gradient(ellipse 60% 45% at 20% 12%, rgba(56, 189, 248, 0.08), transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 25%, rgba(99, 102, 241, 0.06), transparent 70%);
}

/* Tech Grid */
body.work-redesign::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image: 
    linear-gradient(to right, var(--w-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--w-line) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 85%);
  mask-image: radial-gradient(circle at center, black 40%, transparent 85%);
  opacity: 0.7;
}

/* Navbar & Theme Toggle for Work Page */
.work-redesign .floating-nav {
  background: var(--w-paper) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--w-line) !important;
  box-shadow: var(--w-shadow-md) !important;
}

.work-redesign .nav-link {
  color: var(--w-muted) !important;
  font-weight: 500;
  transition: color 0.2s ease;
}

.work-redesign .nav-link:hover,
.work-redesign .nav-link.active {
  color: var(--w-ink) !important;
}

.work-redesign .nav-indicator {
  background: var(--w-line) !important;
}

.work-redesign .nav-logo {
  color: var(--w-cyan) !important;
}

.work-redesign .nav-resume-btn {
  background: linear-gradient(135deg, var(--w-cyan), var(--w-blue)) !important;
  color: #04101e !important;
  font-weight: 700 !important;
  border-radius: var(--w-radius-full) !important;
  border: none !important;
  box-shadow: 0 4px 14px var(--w-cyan-glow) !important;
}

/* Container */
.work-redesign .work-container {
  width: min(1200px, calc(100% - 48px));
  margin-inline: auto;
}

/* ── Work Hero ── */
.work-redesign .work-hero {
  padding-top: 150px;
  padding-bottom: 50px;
}

.work-redesign .work-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--w-cyan);
  margin-bottom: 16px;
}

.work-redesign .work-eyebrow::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--w-cyan);
}

.work-redesign .work-hero h1 {
  font-size: clamp(42px, 5.8vw, 72px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.045em;
  margin: 0;
  color: var(--w-ink);
}

.work-redesign .work-hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.work-redesign .work-hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-top: 24px;
}

.work-redesign .work-hero-bottom p {
  max-width: 650px;
  color: var(--w-muted);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.work-redesign .work-stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 45px;
  padding: 24px 0;
  border-block: 1px solid var(--w-line);
}

.work-redesign .work-stat-strip > div {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.work-redesign .work-stat-strip strong {
  font-size: 32px;
  font-weight: 800;
  color: var(--w-ink);
  letter-spacing: -0.03em;
}

.work-redesign .work-stat-strip span {
  font-size: 11px;
  font-weight: 700;
  color: var(--w-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Interactive Filters & Search ── */
.work-controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
  padding: 16px 20px;
  border-radius: var(--w-radius-md);
  background: var(--w-paper);
  border: 1px solid var(--w-line);
  backdrop-filter: blur(12px);
}

.work-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  background: var(--w-bg-secondary);
  border: 1px solid var(--w-line);
  color: var(--w-muted);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--w-radius-full);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.filter-btn:hover {
  color: var(--w-ink);
  border-color: var(--w-line-hover);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--w-cyan), var(--w-blue));
  color: #04101e;
  border-color: transparent;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--w-cyan-glow);
}

.work-search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--w-radius-full);
  background: var(--w-bg-secondary);
  border: 1px solid var(--w-line);
  min-width: 220px;
}

.work-search-box i {
  color: var(--w-muted);
  font-size: 12px;
}

.work-search-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--w-ink);
  font-family: inherit;
  font-size: 12px;
  width: 100%;
}

.work-search-input::placeholder {
  color: var(--w-muted);
}

/* ── Project Grid & Modern Cards ── */
.work-project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-project-card {
  background: var(--w-paper);
  border: 1px solid var(--w-line);
  border-radius: var(--w-radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--w-shadow-md);
  backdrop-filter: blur(14px);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

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

.work-project-card[hidden] {
  display: none !important;
}

/* Modern Card Visual Header */
.work-card-banner {
  padding: 22px 22px 16px;
  background: var(--w-bg-secondary);
  border-bottom: 1px solid var(--w-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-type-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--w-cyan);
}

.card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--w-muted);
}

.work-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.work-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--w-ink);
}

.work-card-body p {
  color: var(--w-muted);
  font-size: 13px;
  line-height: 1.7;
  margin: 0 0 18px;
  flex: 1;
}

.work-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  margin-bottom: 20px;
}

.work-card-tags span {
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--w-bg-secondary);
  border: 1px solid var(--w-line);
  color: var(--w-ink-secondary);
  font-size: 10px;
  font-weight: 600;
}

.work-card-footer {
  padding-top: 16px;
  border-top: 1px solid var(--w-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.work-case-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--w-cyan);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, color 0.2s ease;
}

.work-case-link:hover {
  color: var(--w-blue);
  transform: translateX(3px);
}

.work-ext-link {
  color: var(--w-muted);
  font-size: 12px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.work-ext-link:hover {
  color: var(--w-ink);
}

/* ── Applied Research & Investigation Tracks ── */
.work-research-section {
  padding: 60px 0 80px;
}

.research-method-banner {
  background: var(--w-paper);
  border: 1px solid var(--w-line);
  border-radius: var(--w-radius-md);
  padding: 22px 26px;
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 30px;
  box-shadow: var(--w-shadow-sm);
  backdrop-filter: blur(12px);
}

.research-method-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--w-radius-sm);
  background: rgba(6, 182, 212, 0.1);
  color: var(--w-cyan);
  display: grid;
  place-items: center;
  font-size: 22px;
  flex: 0 0 48px;
}

.research-method-banner strong {
  display: block;
  font-size: 14px;
  color: var(--w-ink);
  margin-bottom: 3px;
}

.research-method-banner span {
  display: block;
  font-size: 13px;
  color: var(--w-muted);
  line-height: 1.6;
}

.research-track-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.research-track-card {
  background: var(--w-paper);
  border: 1px solid var(--w-line);
  border-radius: var(--w-radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--w-shadow-sm);
  backdrop-filter: blur(14px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.research-track-card:hover {
  transform: translateY(-3px);
  border-color: var(--w-line-hover);
  box-shadow: var(--w-glow-card);
}

.research-track-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.research-track-top span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--w-cyan);
  letter-spacing: 0.08em;
}

.research-track-top i {
  font-size: 20px;
  color: var(--w-muted);
  transition: color 0.2s ease;
}

.research-track-card:hover .research-track-top i {
  color: var(--w-cyan);
}

.research-track-card h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--w-ink);
}

.research-track-card p {
  color: var(--w-muted);
  font-size: 13px;
  line-height: 1.7;
  margin: 0 0 16px;
  flex: 1;
}

.research-track-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.research-track-pills span {
  padding: 3px 9px;
  border-radius: var(--w-radius-full);
  background: var(--w-bg-secondary);
  border: 1px solid var(--w-line);
  color: var(--w-ink-secondary);
  font-size: 11px;
  font-weight: 600;
}

/* ── Responsive Adaptations ── */
@media (max-width: 1024px) {
  .work-project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .research-track-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .work-redesign .work-container {
    width: min(100% - 32px, 500px);
  }
  .work-redesign .work-hero h1 {
    font-size: 38px;
  }
  .work-redesign .work-stat-strip {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .work-project-grid {
    grid-template-columns: 1fr;
  }
  .research-track-grid {
    grid-template-columns: 1fr;
  }
  .work-controls-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .work-search-box {
    min-width: 100%;
  }
}