/* ============================================================
   DESIGN TOKENS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Base */
  --bg:            #F4F5F7;
  --bg-2:          #EBEDF0;
  --surface:       #FFFFFF;
  --surface-2:     #F8F9FA;

  /* Borders */
  --border:        #D1D5DB;
  --border-accent: #0F766E;

  /* Text */
  --text-primary:  #111827;
  --text-secondary:#374151;
  --text-muted:    #6B7280;
  --text-faint:    #9CA3AF;

  /* Accent — teal/emerald */
  --accent:        #0F766E;
  --accent-hover:  #0D9488;
  --accent-dim:    #CCFBF1;
  --accent-subtle: #F0FDFA;

  /* Amber — p99 callouts only */
  --amber:         #B45309;
  --amber-dim:     #FEF3C7;

  /* Terminal */
  --terminal-bg:   #0D1117;
  --terminal-text: #E6EDF3;
  --terminal-green:#3FB950;
  --terminal-dim:  #7D8590;
  --terminal-amber:#E3B341;
  --terminal-teal: #39D3BB;
  --terminal-red:  #F85149;

  /* Typography */
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Layout */
  --max-width: 1140px;
  --radius-sm: 4px;
  --radius:    6px;
  --radius-lg: 10px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 4px 12px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.05);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);

  /* Transitions */
  --transition: 150ms ease;
  --transition-slow: 300ms ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ============================================================
   FOCUS STATES (ACCESSIBILITY)
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   TYPOGRAPHY SCALE
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.4rem, 3vw, 1.875rem); }
h3 { font-size: 1.125rem; font-weight: 600; }
h4 { font-size: 0.9375rem; font-weight: 600; }

p { color: var(--text-secondary); line-height: 1.7; }
small { font-size: 0.8125rem; }

/* Monospace base */
.mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0;
}

/* ============================================================
   EYEBROW / SECTION LABELS
   ============================================================ */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.eyebrow--accent {
  color: var(--accent);
}

/* ============================================================
   LAYOUT CONTAINER
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-4); }
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 245, 247, 0.90);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: var(--space-6);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav__name {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
}

.nav__status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 8px;
  border-radius: 99px;
  border: 1px solid rgba(15, 118, 110, 0.3);
  white-space: nowrap;
}

.nav__status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--accent);
  background: var(--accent-subtle);
}

.nav__cta {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--surface);
  background: var(--accent);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.nav__cta:hover {
  background: var(--accent-hover);
  color: var(--surface);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  padding: var(--space-16) 0 var(--space-20);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

.hero__content {}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.hero__eyebrow-line {
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.hero__role {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__name {
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__tagline {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-6);
  max-width: 480px;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.hero__meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hero__meta-icon {
  width: 12px;
  height: 12px;
  opacity: 0.7;
}

.hero__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn--primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15,118,110,.25);
}

.btn--secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ============================================================
   TERMINAL / HERO PANEL
   ============================================================ */
.terminal-panel {
  background: var(--terminal-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15,118,110,.15);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.terminal-panel__bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 14px;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.terminal-panel__dots {
  display: flex;
  gap: 5px;
}

.terminal-panel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-panel__dot:nth-child(1) { background: #FF5F57; }
.terminal-panel__dot:nth-child(2) { background: #FEBC2E; }
.terminal-panel__dot:nth-child(3) { background: #28C840; }

.terminal-panel__title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--terminal-dim);
  margin-left: auto;
  margin-right: auto;
  letter-spacing: 0.04em;
}

.terminal-panel__body {
  padding: var(--space-5);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.t-line {
  line-height: 1.5;
  white-space: pre;
}

.t-prompt { color: var(--terminal-teal); }
.t-cmd    { color: var(--terminal-text); }
.t-dim    { color: var(--terminal-dim); }
.t-green  { color: var(--terminal-green); }
.t-amber  { color: var(--terminal-amber); }
.t-red    { color: var(--terminal-red); }
.t-white  { color: var(--terminal-text); }
.t-blank  { height: 6px; }

.terminal-panel__metrics {
  margin-top: var(--space-3);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  overflow: hidden;
}

.metric-row {
  display: flex;
  align-items: center;
  padding: 6px 14px;
  border-bottom: 1px solid rgba(255,255,255,.05);
  gap: var(--space-4);
}
.metric-row:last-child { border-bottom: none; }

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--terminal-dim);
  min-width: 90px;
  letter-spacing: 0.03em;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--terminal-green);
  min-width: 80px;
}

.metric-value--amber {
  color: var(--terminal-amber);
}

.metric-value--white {
  color: var(--terminal-text);
}

.metric-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,.06);
  border-radius: 99px;
  overflow: hidden;
}

.metric-bar__fill {
  height: 100%;
  border-radius: 99px;
  background: var(--terminal-green);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.metric-bar__fill--amber {
  background: var(--terminal-amber);
}

.terminal-cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--terminal-teal);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section {
  padding: var(--space-20) 0;
}

.section--alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section__header {
  margin-bottom: var(--space-10);
}

.section__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.section__eyebrow-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.section__title {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
}

/* ============================================================
   ABOUT / SKILLS
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

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

.about__text p + p {
  margin-top: var(--space-4);
}

.skills__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.skill-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.skill-group:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.skill-group__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   EXPERIENCE CARD
   ============================================================ */
.experience-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.experience-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.experience-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.experience-card__role {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.experience-card__company {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent);
  font-weight: 500;
}

.experience-card__period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  align-self: flex-start;
}

.experience-card__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.experience-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
}

.experience-item__tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid rgba(15, 118, 110, 0.2);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  margin-top: 2px;
}

.experience-item__text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   PROJECT CARDS
   ============================================================ */
.projects__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .projects__grid { grid-template-columns: 1fr; }
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

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

.project-card--featured {
  grid-column: 1 / -1;
}

.project-card__header {
  padding: var(--space-6) var(--space-6) 0;
}

.project-card__eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.project-card__badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid rgba(180, 83, 9, 0.2);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-card__links {
  display: flex;
  gap: var(--space-3);
}

.project-card__link {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
}
.project-card__link:hover { color: var(--accent); }

.project-card__name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.project-card__subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: var(--space-4);
}

.project-card__body {
  padding: 0 var(--space-6) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Featured project layout */
.project-featured__grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-8);
  padding: 0 var(--space-6) var(--space-6);
}

@media (max-width: 900px) {
  .project-featured__grid {
    grid-template-columns: 1fr;
  }
}

.project-card__bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.project-card__bullet {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.project-card__bullet::before {
  content: '›';
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
  margin-top: 1px;
}

.project-card__tech {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ============================================================
   BENCHMARK CHART (featured project)
   ============================================================ */
.benchmark-panel {
  background: var(--terminal-bg);
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid rgba(255,255,255,.06);
  flex-shrink: 0;
}

.benchmark-panel__title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--terminal-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.benchmark-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.benchmark-bar-row {
  display: grid;
  grid-template-columns: 100px 1fr 70px;
  align-items: center;
  gap: var(--space-3);
}

.benchmark-bar-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--terminal-dim);
  text-align: right;
}

.benchmark-bar-track {
  height: 18px;
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.benchmark-bar-fill {
  height: 100%;
  border-radius: var(--radius-sm);
  width: 0;
  transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}

.benchmark-bar-fill--primary   { background: linear-gradient(90deg, #0F766E, #3FB950); }
.benchmark-bar-fill--secondary { background: rgba(255,255,255,.15); }

.benchmark-bar-fill--primary::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 2px;
  background: #3FB950;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 6px #3FB950;
}

.benchmark-bar-value {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.benchmark-bar-value--primary   { color: var(--terminal-green); }
.benchmark-bar-value--secondary { color: var(--terminal-dim); }

.benchmark-note {
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--terminal-amber);
  line-height: 1.5;
}

/* ============================================================
   STATS ROW (hero metrics below terminal)
   ============================================================ */
.stats-row {
  display: flex;
  gap: var(--space-1);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(15, 118, 110, 0.08);
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
}

.stat-pill__key {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-pill__val {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent);
}

.stat-pill--amber .stat-pill__val {
  color: var(--amber);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  max-width: 640px;
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.contact-item:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  color: var(--accent);
}

.contact-item__icon {
  width: 36px;
  height: 36px;
  background: var(--accent-subtle);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition);
}

.contact-item:hover .contact-item__icon {
  background: var(--accent-dim);
}

.contact-item__icon svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

.contact-item__label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 2px;
}

.contact-item__value {
  font-size: 0.875rem;
  font-weight: 500;
  color: inherit;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-6) 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
}

.footer__built {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
}

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

/* ============================================================
   DECORATIVE GRID LINES (section backgrounds)
   ============================================================ */
.grid-bg {
  position: relative;
}
.grid-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.3;
  pointer-events: none;
}
.grid-bg > * { position: relative; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Page-load stagger */
.anim-1 { animation: fadeInUp 0.5s ease both; animation-delay: 0.05s; }
.anim-2 { animation: fadeInUp 0.5s ease both; animation-delay: 0.15s; }
.anim-3 { animation: fadeInUp 0.5s ease both; animation-delay: 0.25s; }
.anim-4 { animation: fadeInUp 0.5s ease both; animation-delay: 0.35s; }
.anim-5 { animation: fadeInUp 0.5s ease both; animation-delay: 0.45s; }
.anim-terminal { animation: fadeIn 0.4s ease both; animation-delay: 0.2s; }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .nav__status-dot { animation: none; }
  .terminal-cursor { animation: none; opacity: 1; }
}

/* ============================================================
   MOBILE MENU (hamburger)
   ============================================================ */
.nav__mobile-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.nav__mobile-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__mobile-menu {
  display: none;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: var(--space-4);
}

.nav__mobile-menu.open {
  display: block;
}

.nav__mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav__mobile-links a {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}

.nav__mobile-links a:hover {
  color: var(--accent);
  background: var(--accent-subtle);
}

@media (max-width: 768px) {
  .nav__mobile-btn { display: flex; }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* ============================================================
   ① SESSION UPTIME TICKER
   ============================================================ */
.nav__uptime {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  user-select: none;
  transition: color var(--transition), border-color var(--transition);
}
.nav__uptime:hover {
  color: var(--accent);
  border-color: rgba(15, 118, 110, 0.4);
}
#uptime-counter {
  color: var(--accent);
  font-weight: 600;
}
@media (max-width: 900px) {
  .nav__uptime { display: none; }
}

/* ============================================================
   ② SCHEMA DIAGRAM HOVER POPUP
   ============================================================ */
.schema-trigger {
  position: relative;
  cursor: default;
}

.schema-hint {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--text-faint);
  margin-left: 6px;
  opacity: 0;
  transition: opacity var(--transition);
  vertical-align: middle;
}
.schema-trigger:hover .schema-hint,
.schema-trigger:focus-within .schema-hint {
  opacity: 1;
}

.schema-popup {
  position: absolute;
  top: calc(100% + 10px);
  left: -8px;
  z-index: 200;
  background: #0d1117;
  border: 1px solid rgba(15, 118, 110, 0.5);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: 0 16px 40px rgba(0,0,0,.35), 0 0 0 1px rgba(15,118,110,.15);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  min-width: 380px;
}

.schema-popup[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* Triggered by JS class */
.schema-trigger.schema-open .schema-popup {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.schema-popup__header {
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(15,118,110,.2);
}

.schema-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   ② LATENCY HISTOGRAM (replaces static bars)
   ============================================================ */
.histogram-panel {
  background: var(--terminal-bg);
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid rgba(255,255,255,.06);
}

.histogram-panel__title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--terminal-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.histogram-chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 80px;
  padding-bottom: 2px;
}

.histogram-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
  justify-content: flex-end;
}

.histogram-bar__fill {
  width: 100%;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, #3FB950 0%, #0F766E 100%);
  height: 0;
  transition: height 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  min-height: 3px;
}
.histogram-bar__fill--p99 {
  background: linear-gradient(180deg, #E3B341 0%, #B45309 100%);
}
.histogram-bar__fill:hover::after {
  content: attr(data-value);
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: #fff;
  background: rgba(0,0,0,.8);
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
}

.histogram-bar__label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--terminal-dim);
  text-align: center;
  white-space: nowrap;
}

.histogram-bar__label--p99 {
  color: var(--terminal-amber);
}

.histogram-axis {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(255,255,255,.06);
}

.histogram-axis__label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--terminal-dim);
}

/* ============================================================
   ① COMMAND PALETTE
   ============================================================ */
.cmd-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}
.cmd-overlay[hidden] { display: none; }

.cmd-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.cmd-box {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0,0,0,.18), 0 4px 16px rgba(0,0,0,.1);
  overflow: hidden;
  animation: cmdIn 0.15s ease both;
}

@keyframes cmdIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.cmd-box__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}

.cmd-input {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: transparent;
  border: none;
  outline: none;
  caret-color: var(--accent);
}
.cmd-input::placeholder { color: var(--text-faint); }

.cmd-kbd {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  white-space: nowrap;
}

.cmd-results {
  list-style: none;
  max-height: 320px;
  overflow-y: auto;
  padding: var(--space-2) 0;
}

.cmd-result {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  cursor: pointer;
  transition: background var(--transition);
  border-left: 2px solid transparent;
}
.cmd-result:hover,
.cmd-result.active {
  background: var(--accent-subtle);
  border-left-color: var(--accent);
}
.cmd-result.active .cmd-result__title { color: var(--accent); }

.cmd-result__icon {
  width: 32px;
  height: 32px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--accent);
  font-weight: 700;
}

.cmd-result__body { flex: 1; min-width: 0; }

.cmd-result__title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.cmd-result__meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cmd-result__shortcut {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-faint);
}

.cmd-box__footer {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}

.cmd-hint {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-faint);
}
.cmd-hint kbd {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--text-muted);
}

/* Cmd palette shortcut hint in nav (desktop only) */
.cmd-nav-hint {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.cmd-nav-hint:hover {
  color: var(--accent);
  border-color: rgba(15, 118, 110, 0.4);
}
@media (max-width: 768px) {
  .cmd-nav-hint { display: none; }
}

/* ============================================================
   MISC UTILITIES
   ============================================================ */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.text-accent { color: var(--accent); }
.text-muted  { color: var(--text-muted); }
.text-mono   { font-family: var(--font-mono); }