/* ==========================================================================
   Design Tokens
   ========================================================================== */
:root {
  --bg-deep: #0b0f19;
  --bg-elevated: #12182a;
  --bg-surface: #161d32;
  --text-primary: #f4f7ff;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent: #00e5ff;
  --accent-glow: rgba(0, 229, 255, 0.35);
  --accent-secondary: #10b981;
  --accent-secondary-glow: rgba(16, 185, 129, 0.3);
  --danger: #f87171;
  --warning: #fbbf24;
  --success: #10b981;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 12px 40px rgba(0, 229, 255, 0.12);
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Cascadia Code", "JetBrains Mono", "Fira Code", Consolas, monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --container-max: 1200px;
  --header-height: 72px;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
}

@media (min-width: 1921px) {
  :root {
    --container-max: 1400px;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 229, 255, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(16, 185, 129, 0.05), transparent);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-surface);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-deep);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--bg-surface) var(--bg-deep);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--text-primary);
}

ul {
  list-style: none;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(0, 229, 255, 0.1);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--accent);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.container {
  width: min(100% - 2rem, var(--container-max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 10000;
  padding: var(--space-sm) var(--space-md);
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

.mono-prefix {
  font-family: var(--font-mono);
  color: var(--accent);
  margin-right: 0.35em;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.1em;
}

.logo-bracket {
  color: var(--accent);
}

.logo-text {
  color: var(--text-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: var(--space-xs) 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.is-active::after {
  width: 100%;
}

.nav-link.is-active {
  color: var(--text-primary);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--accent-glow);
  color: var(--bg-deep);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--glass-border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: var(--space-3xl) 0 var(--space-2xl);
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
}

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

.hero-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-3xl);
  }
}

.hero-content {
  order: 2;
}

.hero-visual {
  order: 1;
  display: flex;
  justify-content: center;
}

@media (min-width: 900px) {
  .hero-content {
    order: 1;
  }

  .hero-visual {
    order: 2;
    justify-content: flex-end;
  }
}

.hero-portrait-wrap {
  position: relative;
  width: min(100%, 320px);
  margin-inline: auto;
}

@media (min-width: 900px) {
  .hero-portrait-wrap {
    width: min(100%, 380px);
  }
}

@media (min-width: 1200px) {
  .hero-portrait-wrap {
    width: min(100%, 420px);
  }
}

.hero-portrait-glow {
  position: absolute;
  inset: -12%;
  background:
    radial-gradient(ellipse at 30% 20%, var(--accent-glow), transparent 55%),
    radial-gradient(ellipse at 70% 80%, var(--accent-secondary-glow), transparent 50%);
  filter: blur(24px);
  opacity: 0.85;
  z-index: 0;
  pointer-events: none;
}

.hero-portrait-frame {
  position: relative;
  z-index: 1;
  padding: 4px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border-color: rgba(0, 229, 255, 0.2);
  box-shadow:
    var(--shadow-card),
    0 0 0 1px rgba(0, 229, 255, 0.08),
    0 0 48px rgba(0, 229, 255, 0.12);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.hero-portrait-frame:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow:
    var(--shadow-hover),
    0 0 0 1px rgba(0, 229, 255, 0.2),
    0 0 64px rgba(0, 229, 255, 0.18);
}

.hero-portrait-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 15%;
  border-radius: calc(var(--radius-lg) - 4px);
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);
}

.hero-portrait-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(11, 15, 25, 0.88);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  white-space: nowrap;
}

.hero-portrait-badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-secondary);
  box-shadow: 0 0 8px var(--accent-secondary-glow);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 30%, transparent 100%);
  pointer-events: none;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero-name {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.hero-summary {
  max-width: 52ch;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: var(--space-xl);
}

@media (min-width: 900px) {
  .hero-summary {
    max-width: 58ch;
  }
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base);
}

.hero-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 60ch;
}

/* ==========================================================================
   Glass Panel & Command Center
   ========================================================================== */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
}

.command-center {
  overflow: hidden;
}

.command-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border-subtle);
}

.command-title-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.command-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.command-dot--red { background: var(--danger); }
.command-dot--yellow { background: var(--warning); }
.command-dot--green { background: var(--success); }

.command-filename {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-left: var(--space-sm);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-secondary);
  padding: 0.35rem 0.75rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
}

.status-pill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-secondary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Loading & Error */
.cv-loading {
  padding: var(--space-xl);
}

.cv-loading-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: var(--space-lg);
  text-align: center;
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-surface) 25%,
    var(--bg-elevated) 50%,
    var(--bg-surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton--tab {
  height: 48px;
  margin-bottom: var(--space-lg);
}

.skeleton--content {
  height: 120px;
  margin-bottom: var(--space-md);
}

.skeleton--short {
  height: 60px;
  width: 70%;
}

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

.cv-error {
  padding: var(--space-xl);
  text-align: center;
}

.cv-error-title {
  font-size: 1.25rem;
  color: var(--danger);
  margin-bottom: var(--space-md);
}

.cv-error-message {
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  max-width: 50ch;
  margin-inline: auto;
}

/* ==========================================================================
   Tabs
   ========================================================================== */
.cv-content {
  padding: var(--space-lg);
}

.tab-list {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-xs);
  overflow-x: auto;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
  scrollbar-width: thin;
}

.tab-btn {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.65rem 1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition:
    color var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.tab-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tab-btn[aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(0, 229, 255, 0.06);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.tab-panels {
  position: relative;
  min-height: 320px;
}

.tab-panel {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
  pointer-events: none;
  position: absolute;
  inset: 0;
  overflow-y: auto;
  padding: var(--space-sm) 0;
}

.tab-panel.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
}

.tab-panel[hidden] {
  display: none !important;
}

/* ==========================================================================
   Overview Tab
   ========================================================================== */
.overview-headline {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.overview-headline span {
  color: var(--accent);
}

.overview-summary {
  color: var(--text-muted);
  max-width: 75ch;
  margin-bottom: var(--space-xl);
  font-size: 1.05rem;
  line-height: 1.7;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.metric-card {
  padding: var(--space-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: var(--shadow-hover);
}

.metric-value {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--accent-secondary);
  font-family: var(--font-mono);
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.metric-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.metric-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Experience Timeline
   ========================================================================== */
.timeline {
  position: relative;
  padding-left: var(--space-xl);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-secondary));
  opacity: 0.4;
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-xl) + 2px);
  top: var(--space-lg);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  border: 2px solid var(--bg-deep);
}

.timeline-item:hover {
  transform: translateX(4px);
  border-color: rgba(0, 229, 255, 0.25);
  box-shadow: var(--shadow-hover);
}

.timeline-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.timeline-company {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-duration {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  padding: 0.2rem 0.6rem;
  background: rgba(0, 229, 255, 0.1);
  border-radius: var(--radius-full);
}

.timeline-role {
  font-weight: 600;
  color: var(--accent-secondary);
  margin-bottom: var(--space-xs);
}

.timeline-location {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
}

.timeline-products {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.timeline-highlights {
  margin-top: var(--space-md);
}

.timeline-highlights li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.timeline-highlights li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ==========================================================================
   Skills Grid
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.skill-category {
  padding: var(--space-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.skill-category-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--accent);
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-pill {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  transition:
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.skill-pill:hover {
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
}

/* ==========================================================================
   Project Cards
   ========================================================================== */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.project-card {
  padding: var(--space-xl);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.2);
  box-shadow: var(--shadow-hover);
}

.project-header {
  margin-bottom: var(--space-md);
}

.project-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.project-subtitle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
}

.project-role {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: var(--space-sm);
}

.project-description {
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--accent);
}

.project-metrics {
  margin-bottom: var(--space-lg);
}

.project-metrics-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-secondary);
  margin-bottom: var(--space-sm);
}

.project-metrics li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.project-metrics li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-secondary);
}

.project-highlights li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--text-dim);
  font-size: 0.9rem;
}

.project-highlights li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ==========================================================================
   Education
   ========================================================================== */
.education-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.education-card {
  padding: var(--space-xl);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.education-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.education-degree {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.education-institution {
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.education-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
}

.education-gpa {
  color: var(--accent-secondary);
  font-weight: 600;
}

.education-highlights li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.education-highlights li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-secondary);
}

.certifications-section,
.training-section {
  margin-top: var(--space-xl);
}

.subsection-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.cert-chip {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  color: var(--accent-secondary);
  transition: transform var(--transition-fast);
}

.cert-chip:hover {
  transform: scale(1.03);
}

.training-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.training-card {
  padding: var(--space-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.training-title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.training-provider {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Badges (shared)
   ========================================================================== */
.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.15);
  border-radius: var(--radius-sm);
  color: var(--accent);
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.contact-card {
  padding: var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.contact-value {
  font-size: 1.05rem;
  color: var(--text-primary);
  word-break: break-word;
}

.contact-value a {
  color: inherit;
}

.contact-value a:hover {
  color: var(--accent);
}

.contact-placeholder {
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.availability-banner {
  grid-column: 1 / -1;
  padding: var(--space-md) var(--space-lg);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-secondary);
  text-align: center;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-2xl);
}

.footer-inner p {
  font-size: 0.9rem;
  color: var(--text-dim);
  text-align: center;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(11, 15, 25, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition:
      transform var(--transition-base),
      opacity var(--transition-base),
      visibility var(--transition-base);
  }

  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--space-md);
  }

  .hero {
    min-height: auto;
    padding-top: var(--space-2xl);
  }

  .timeline {
    padding-left: var(--space-lg);
  }

  .timeline-item::before {
    left: calc(-1 * var(--space-lg) + 2px);
  }

  .tab-btn {
    font-size: 0.72rem;
    padding: 0.55rem 0.75rem;
  }

  .cv-content {
    padding: var(--space-md);
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

/* ==========================================================================
   Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .status-pill__dot {
    animation: none;
  }

  .skeleton {
    animation: none;
  }
}