/*
 * DEEP SPACE MISSION CONTROL — Portfolio Design System
 * Rahul Patel · Cloud / DevOps Engineer
 * 2026
 */

/* ═══════════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════════ */

:root {
  /* Backgrounds */
  --space-black: #06080d;
  --deep-navy: #0b1120;
  --panel-bg: #0f1729;
  --panel-bg-hover: #131d35;
  --card-bg: #111827;

  /* Borders */
  --border-dim: #1a2744;
  --border-glow: #1e3a5f;
  --border-active: #00d4ff33;

  /* Accents */
  --cyan-primary: #00d4ff;
  --cyan-muted: #0a8cc4;
  --cyan-glow: #00d4ff22;
  --blue-accent: #3b82f6;
  --violet-accent: #7c3aed;
  --violet-muted: #5b21b6;

  /* Text */
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;

  /* Status */
  --status-green: #22c55e;
  --status-green-dim: #16a34a;
  --status-amber: #f59e0b;

  /* Spacing */
  --section-pad-x: clamp(1.5rem, 5vw, 6rem);
  --section-pad-y: clamp(4rem, 8vh, 8rem);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ═══════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--space-black);
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 3000;
  padding: 0.6rem 0.85rem;
  border-radius: 6px;
  background: var(--panel-bg);
  border: 1px solid var(--cyan-primary);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  transform: translateY(-150%);
  transition: transform 0.2s var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--text-primary);
}

/* Starfield background — pure CSS */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 55% 20%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 70% 65%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 85% 45%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 15% 70%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 90% 10%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 35% 55%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 60% 90%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1.5px 1.5px at 5% 50%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1.5px 1.5px at 50% 5%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.5px 1.5px at 95% 80%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 20% 95%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 75% 30%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 45% 45%, rgba(255,255,255,0.35), transparent),
    radial-gradient(1px 1px at 80% 75%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1.5px 1.5px at 30% 10%, rgba(255,255,255,0.55), transparent),
    radial-gradient(1px 1px at 65% 50%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 12% 42%, rgba(255,255,255,0.35), transparent);
  pointer-events: none;
  z-index: 0;
}

/* Subtle cosmic gradient overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(0,212,255,0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(124,58,237,0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ═══════════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════════ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

p { color: var(--text-secondary); }

.font-mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.label-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.label-accent {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan-primary);
}

a {
  color: var(--cyan-primary);
  text-decoration: none;
  transition: color 0.25s var(--ease-out);
}

a:hover, a:focus {
  color: var(--blue-accent);
}

/* ═══════════════════════════════════════════
   DEPTH LAYERS & GRID BACKGROUND
   ═══════════════════════════════════════════ */

.grid-pattern-bg {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(30, 58, 95, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 58, 95, 0.12) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 50% 35%, black 35%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 35%, black 35%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

/* ═══════════════════════════════════════════
   NAVIGATION — FLOATING COMMAND BAR
   ═══════════════════════════════════════════ */

.nav-main {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2 * var(--section-pad-x));
  max-width: 1240px;
  z-index: 1000;
  height: 3.75rem;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 14, 26, 0.78);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid rgba(30, 58, 95, 0.6);
  border-radius: 12px;
  box-shadow: 0 12px 36px -10px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: all 0.35s var(--ease-out);
}

.nav-main.scrolled {
  top: 0.6rem;
  background: rgba(6, 10, 20, 0.92);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 16px 40px -8px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 212, 255, 0.08);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.nav-brand-icon {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 8px;
  border: 1px solid var(--cyan-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan-primary);
  background: rgba(0, 212, 255, 0.1);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
  flex-shrink: 0;
}

.nav-brand-text {
  font-weight: 700;
  font-size: 0.95rem;
}

.nav-brand-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  color: var(--cyan-primary);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  transition: all 0.25s var(--ease-out);
  text-decoration: none;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-num {
  font-size: 0.6rem;
  color: var(--cyan-muted);
  opacity: 0.7;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-links a.active {
  color: var(--cyan-primary);
  background: rgba(0, 212, 255, 0.08);
}

.nav-links a.active .nav-num {
  color: var(--cyan-primary);
  opacity: 1;
}

.nav-connect-pill {
  background: rgba(0, 212, 255, 0.1) !important;
  border: 1px solid rgba(0, 212, 255, 0.3) !important;
  color: var(--cyan-primary) !important;
  font-weight: 600 !important;
  margin-left: 0.4rem;
}

.nav-connect-pill:hover {
  background: rgba(0, 212, 255, 0.2) !important;
  border-color: var(--cyan-primary) !important;
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.25);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1.2rem;
  line-height: 1;
  transition: border-color 0.2s, color 0.2s;
}

.nav-toggle:hover {
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  margin: 4px 0;
  border-radius: 1px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 992px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 4.25rem;
    left: 0;
    right: 0;
    background: rgba(6, 10, 20, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-dim);
    border-radius: 0 0 12px 12px;
    transform: translateY(-130%);
    opacity: 0;
    transition: transform 0.4s var(--ease-out), opacity 0.3s var(--ease-out);
    pointer-events: none;
    gap: 0.35rem;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    font-size: 0.82rem;
    padding: 0.75rem 1rem;
    width: 100%;
    border-radius: 8px;
  }
}

/* ═══════════════════════════════════════════
   CANVAS (Starfield)
   ═══════════════════════════════════════════ */

#starfield-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ═══════════════════════════════════════════
   LAYOUT — SECTIONS
   ═══════════════════════════════════════════ */

.page-content {
  position: relative;
  z-index: 1;
}

.section {
  padding: var(--section-pad-y) var(--section-pad-x);
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3rem;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 1.25rem;
  height: 2px;
  background: var(--cyan-primary);
}

.section-num {
  color: var(--text-muted);
  font-size: 0.68rem;
  padding: 0.1rem 0.35rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin: 0;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 0.4rem;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-dim), var(--border-glow), var(--border-dim), transparent);
  margin: 0;
  border: none;
}

/* ═══════════════════════════════════════════
   HERO SECTION — COMMAND CENTER COMPOSITION
   ═══════════════════════════════════════════ */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7.5rem var(--section-pad-x) 4.5rem;
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
}

/* Hero Ambient Floating Nodes */
.hero-ambient-elements {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.ambient-node {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: rgba(15, 23, 41, 0.6);
  border: 1px solid rgba(30, 58, 95, 0.4);
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0.7;
  transition: transform 0.4s ease-out;
}

.ambient-node .node-pulse {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan-primary);
  box-shadow: 0 0 6px var(--cyan-primary);
}

.ambient-node.node-1 { top: 22%; right: 14%; animation: float-slow 18s ease-in-out infinite; }
.ambient-node.node-2 { top: 38%; right: 6%; animation: float-slow 22s ease-in-out infinite reverse; }
.ambient-node.node-3 { bottom: 26%; right: 20%; animation: float-slow 16s ease-in-out infinite; }
.ambient-node.node-4 { bottom: 18%; right: 38%; animation: float-slow 20s ease-in-out infinite reverse; }

@keyframes float-slow {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-10px) translateX(6px); }
}

/* Telemetry Strip */
.hero-telemetry-strip {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding: 0.45rem 0.9rem;
  background: rgba(11, 17, 32, 0.75);
  border: 1px solid rgba(30, 58, 95, 0.7);
  border-radius: 100px;
  width: fit-content;
  margin-bottom: 2rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.telemetry-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
}

.telemetry-text {
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--status-green);
}

.telemetry-divider {
  color: var(--border-glow);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
}

.telemetry-label {
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.telemetry-val {
  color: var(--text-secondary);
  font-weight: 600;
}

.telemetry-val-highlight {
  color: var(--cyan-primary);
  font-weight: 700;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--status-green);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 4px rgba(34, 197, 94, 0); }
}

/* Confident Dominant Hero Headline */
.hero-name {
  font-size: clamp(3.8rem, 11vw, 8rem);
  font-weight: 900;
  line-height: 0.92;
  color: var(--text-primary);
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
}

.hero-name-line {
  display: block;
}

.hero-name .name-highlight {
  background: linear-gradient(135deg, #00d4ff 0%, #38bdf8 40%, #818cf8 75%, #c084fc 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.25));
}

.hero-tags {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.hero-tag-item {
  color: var(--text-secondary);
}

.hero-tags .tag-sep {
  color: var(--cyan-muted);
  opacity: 0.6;
}

.hero-intro {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 2.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  position: relative;
  z-index: 2;
}

/* Magnetic Buttons & Micro-Interactions */
.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid rgba(0, 212, 255, 0.4);
  border-radius: 8px;
  color: var(--cyan-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn-primary-glow:hover {
  background: rgba(0, 212, 255, 0.22);
  border-color: var(--cyan-primary);
  color: #ffffff;
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.3);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  background: rgba(15, 23, 41, 0.5);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--cyan-muted);
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.06);
  transform: translateY(-2px);
}

.arrow-shift {
  display: inline-block;
  transition: transform 0.25s var(--ease-out);
}

.btn-outline:hover .arrow-shift,
.contact-link-item:hover .arrow-shift {
  transform: translate(3px, -2px);
}

/* Hero orbital visual */
.hero-orbital {
  position: absolute;
  top: 50%;
  right: 2%;
  transform: translateY(-50%);
  width: clamp(260px, 32vw, 480px);
  height: clamp(260px, 32vw, 480px);
  pointer-events: none;
  opacity: 0.2;
}

.orbital-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--cyan-primary);
  border-radius: 50%;
  animation: orbit-spin 36s linear infinite;
}

.orbital-ring:nth-child(2) {
  inset: 16%;
  border-color: var(--blue-accent);
  animation-duration: 26s;
  animation-direction: reverse;
  opacity: 0.7;
}

.orbital-ring:nth-child(3) {
  inset: 34%;
  border-color: var(--violet-accent);
  animation-duration: 18s;
  opacity: 0.5;
}

.orbital-dot {
  position: absolute;
  width: 5px;
  height: 5px;
  background: var(--cyan-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan-primary);
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

@keyframes orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ═══════════════════════════════════════════
   ABOUT / MISSION PROFILE
   ═══════════════════════════════════════════ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-text p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  margin-bottom: 1.25rem;
}

.about-badge-icon {
  font-size: 0.8rem;
}

.about-lead {
  font-size: 1.1rem !important;
  font-weight: 500;
  color: var(--text-primary) !important;
  line-height: 1.7 !important;
  margin-bottom: 1.25rem !important;
}

.meta-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.meta-card {
  padding: 1rem 1.25rem;
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  transition: border-color 0.3s var(--ease-out);
}

.meta-card:hover {
  border-color: var(--border-glow);
}

.meta-card-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.meta-card-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .meta-cards {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 420px) {
  .meta-cards {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════
   EXPERIENCE / MISSION TIMELINE
   ═══════════════════════════════════════════ */

.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan-primary), var(--border-dim));
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 0.5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan-primary);
  border: 2px solid var(--space-black);
  box-shadow: 0 0 0 3px var(--panel-bg), 0 0 8px rgba(0, 212, 255, 0.4);
  z-index: 2;
}

.timeline-item:first-child .timeline-dot {
  background: var(--status-green);
  box-shadow: 0 0 0 3px var(--panel-bg), 0 0 8px rgba(34, 197, 94, 0.4);
}

.mission-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  margin-bottom: 0.5rem;
}

.mission-card {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.75rem;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.mission-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.mission-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.mission-company {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.mission-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.mission-meta-item {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.mission-meta-item .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-dim);
}

.mission-details {
  list-style: none;
  padding: 0;
}

.mission-details li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.6rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.mission-details li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--cyan-primary);
  font-weight: 700;
}

.mission-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.tech-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 4px;
  color: var(--cyan-muted);
}

/* ═══════════════════════════════════════════
   EDUCATION
   ═══════════════════════════════════════════ */

.edu-card {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  transition: border-color 0.3s var(--ease-out);
}

.edu-card:hover {
  border-color: var(--border-glow);
}

.edu-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.edu-degree {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.edu-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.training-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.training-card {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  transition: border-color 0.3s var(--ease-out);
}

.training-card:hover {
  border-color: var(--border-glow);
}

.training-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.training-provider {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.training-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.training-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.training-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--cyan-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.training-links a:hover {
  color: var(--cyan-primary);
}

/* ═══════════════════════════════════════════
   SKILLS / SYSTEMS DASHBOARD
   ═══════════════════════════════════════════ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.skill-panel {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.5rem;
  transition: border-color 0.3s var(--ease-out);
}

.skill-panel:hover {
  border-color: var(--border-glow);
}

.skill-panel-header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-panel-header::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-primary);
  flex-shrink: 0;
}

.skill-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 0.35rem 0.75rem;
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  color: var(--text-secondary);
  transition: all 0.25s var(--ease-out);
}

.skill-chip:hover {
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  background: rgba(0, 212, 255, 0.08);
  transform: translateY(-1px);
}

/* ═══════════════════════════════════════════
   PROJECTS / ENGINEERING MISSIONS
   ═══════════════════════════════════════════ */

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.project-card {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 2rem;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-primary), var(--blue-accent), transparent);
}

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

.project-mission-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.project-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.project-status.active {
  background: rgba(34, 197, 94, 0.1);
  color: var(--status-green);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.project-status.active::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--status-green);
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ═══════════════════════════════════════════
   CERTIFICATIONS / CREDENTIALS VAULT
   ═══════════════════════════════════════════ */

.certs-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: flex-start;
}

.cert-card {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
  transition: border-color 0.3s var(--ease-out);
  min-width: 160px;
  flex: 0 0 auto;
}

.cert-card:hover {
  border-color: var(--border-glow);
}

.cert-verified {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--status-green);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.cert-verified::before {
  content: '✓';
  font-size: 0.6rem;
}

/* ═══════════════════════════════════════════
   INTERESTS / OFF-DUTY LOG
   ═══════════════════════════════════════════ */

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.interest-card {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  transition: border-color 0.3s var(--ease-out);
}

.interest-card:hover {
  border-color: var(--border-glow);
}

.interest-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.interest-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.interest-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════════ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.7;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-link-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.25s var(--ease-out);
  font-size: 0.9rem;
}

.contact-link-item:hover {
  border-color: var(--border-glow);
  color: var(--cyan-primary);
  transform: translateX(4px);
}

.contact-link-item .link-icon {
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(0, 212, 255, 0.08);
  color: var(--cyan-primary);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-status {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.5rem;
}

.contact-status-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-dim);
}

.contact-status-item:last-child {
  border-bottom: none;
}

.contact-status-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-status-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
}

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

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */

.site-footer {
  padding: 2rem var(--section-pad-x);
  border-top: 1px solid var(--border-dim);
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-left {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.footer-right {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════
   CERTIFICATE POPUP / MODAL
   ═══════════════════════════════════════════ */

.cert-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 13, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.cert-modal-overlay.visible {
  display: flex;
}

.cert-modal {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 650px;
  width: 100%;
  position: relative;
}

.cert-modal img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

.cert-modal-close {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s;
  line-height: 1;
}

.cert-modal-close:hover {
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL ANIMATIONS
   ═══════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ═══════════════════════════════════════════
   PREFERS REDUCED MOTION
   ═══════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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

  .orbital-ring,
  .ambient-node,
  .svg-packet,
  .pulse-now,
  .status-dot,
  .conn-dot {
    animation: none !important;
  }

  .conn-dot {
    display: none !important;
  }

  .flow1-n1, .flow1-n2, .flow1-n3, .flow1-n4,
  .flow2-n1, .flow2-n2, .flow2-n3,
  .legend-dot-flow {
    animation: none !important;
  }

  .card-tilt {
    transform: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ═══════════════════════════════════════════
   PHASE 2: SYSTEM ARCHITECTURE & TELEMETRY
   ═══════════════════════════════════════════ */

/* Live System Status Telemetry */
.system-status-container {
  margin-bottom: 2.5rem;
}

.system-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.status-module-card {
  background: rgba(15, 23, 41, 0.75);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(12px);
  transition: border-color 0.25s ease, transform 0.25s ease;
  position: relative;
  overflow: hidden;
}

.status-module-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.status-module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.status-module-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.status-module-value {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-module-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.status-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--status-green);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
  flex-shrink: 0;
  display: inline-block;
  animation: pulse 2.5s infinite ease-in-out;
}

.status-pulse-dot.cyan {
  background-color: var(--cyan-primary);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
}

/* Interactive Architecture Diagram Container */
.arch-diagram-wrapper {
  background: rgba(11, 17, 32, 0.85);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 3.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 36px -10px rgba(0, 0, 0, 0.5);
}

.arch-diagram-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-primary), var(--violet-accent), transparent);
}

.arch-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-dim);
}

.arch-header-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.arch-header-hint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--cyan-primary);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Architecture Legend */
.arch-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding: 0.75rem 1.25rem;
  background: rgba(6, 8, 13, 0.6);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.legend-dot-flow {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 8px var(--cyan-primary), 0 0 3px #ffffff;
  animation: legend-dot-pulse 2s infinite ease-in-out;
}

@keyframes legend-dot-pulse {
  0%, 100% { opacity: 0.4; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

.legend-line-runtime {
  width: 24px;
  height: 2px;
  background: var(--cyan-primary);
  box-shadow: 0 0 6px rgba(0, 212, 255, 0.6);
  border-radius: 2px;
}

.legend-line-deploy {
  width: 24px;
  height: 0;
  border-top: 2px dashed var(--cyan-muted);
}

/* Architecture Pipeline Section */
.arch-pipeline-container {
  margin-bottom: 2.25rem;
}

.arch-pipeline-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.arch-pipeline-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.arch-pipeline-tag.cyan {
  background: rgba(0, 212, 255, 0.1);
  color: var(--cyan-primary);
  border: 1px solid rgba(0, 212, 255, 0.25);
}

.arch-pipeline-tag.purple {
  background: rgba(124, 58, 237, 0.12);
  color: #c4b5fd;
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.arch-pipeline-tag.muted {
  background: rgba(148, 163, 184, 0.08);
  color: var(--text-secondary);
  border: 1px solid var(--border-dim);
}

.arch-pipeline-desc {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.arch-flow {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: nowrap;
}

/* Architecture Interactive Node */
.arch-node {
  background: var(--panel-bg);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  padding: 0.85rem 1.1rem;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  position: relative;
  flex: 1 1 0;
  min-width: 130px;
  font-family: inherit;
}

.arch-node:hover {
  border-color: var(--cyan-muted);
  background: var(--panel-bg-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.15);
}

.arch-node:focus-visible {
  outline: 2px solid var(--cyan-primary);
  outline-offset: 2px;
}

.arch-node.active {
  border-color: var(--cyan-primary);
  background: rgba(15, 23, 41, 0.95);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.28), inset 0 0 0 1px rgba(0, 212, 255, 0.4);
}

.arch-node.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 2px;
  background: var(--cyan-primary);
  border-radius: 2px;
}

.arch-node-type {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  margin-bottom: 0.2rem;
}

.arch-node.purple .arch-node-type {
  color: #a78bfa;
}

.arch-node.purple:hover {
  border-color: #8b5cf6;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.18);
}

.arch-node.purple.active {
  border-color: var(--violet-accent);
  box-shadow: 0 0 18px rgba(124, 58, 237, 0.3), inset 0 0 0 1px rgba(124, 58, 237, 0.4);
}

.arch-node.purple.active::after {
  background: var(--violet-accent);
}

.arch-node-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.arch-node-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Architecture SVG Connector */
.arch-connector {
  flex: 0 0 44px;
  width: 44px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.conn-svg {
  width: 44px;
  height: 20px;
  overflow: visible;
}

.conn-track {
  stroke: var(--border-glow);
  stroke-width: 2;
  stroke-linecap: round;
}

.cyan .conn-track {
  stroke: rgba(0, 212, 255, 0.3);
}

.purple .conn-track {
  stroke: rgba(124, 58, 237, 0.35);
}

.conn-head {
  fill: var(--cyan-primary);
}

.purple .conn-head {
  fill: #a78bfa;
}

.conn-dot {
  fill: #ffffff;
  opacity: 0;
  filter: drop-shadow(0 0 5px var(--cyan-primary));
}

.purple .conn-dot {
  filter: drop-shadow(0 0 5px #c084fc);
}

/* ═══════════════════════════════════════════
   ANIMATED REQUEST PACKET KEYFRAMES
   ═══════════════════════════════════════════ */

/* Flow 01 (8s cycle): Segment 1 (0-20%), Segment 2 (25-45%), Segment 3 (50-70%), Segment 4 (75-95%) */
.flow1-p1 { animation: flow1-anim-p1 8s infinite ease-in-out; }
.flow1-p2 { animation: flow1-anim-p2 8s infinite ease-in-out; }
.flow1-p3 { animation: flow1-anim-p3 8s infinite ease-in-out; }
.flow1-p4 { animation: flow1-anim-p4 8s infinite ease-in-out; }

@keyframes flow1-anim-p1 {
  0%   { transform: translateX(0); opacity: 0; }
  3%   { opacity: 1; }
  18%  { transform: translateX(38px); opacity: 1; }
  20%  { transform: translateX(40px); opacity: 0; }
  100% { transform: translateX(40px); opacity: 0; }
}

@keyframes flow1-anim-p2 {
  0%, 23% { transform: translateX(0); opacity: 0; }
  26%     { opacity: 1; }
  43%     { transform: translateX(38px); opacity: 1; }
  45%     { transform: translateX(40px); opacity: 0; }
  100%    { transform: translateX(40px); opacity: 0; }
}

@keyframes flow1-anim-p3 {
  0%, 48% { transform: translateX(0); opacity: 0; }
  51%     { opacity: 1; }
  68%     { transform: translateX(38px); opacity: 1; }
  70%     { transform: translateX(40px); opacity: 0; }
  100%    { transform: translateX(40px); opacity: 0; }
}

@keyframes flow1-anim-p4 {
  0%, 73% { transform: translateX(0); opacity: 0; }
  76%     { opacity: 1; }
  93%     { transform: translateX(38px); opacity: 1; }
  95%     { transform: translateX(40px); opacity: 0; }
  100%    { transform: translateX(40px); opacity: 0; }
}

/* Gentle destination node pulse upon packet arrival */
.flow1-n1 { animation: node-pulse-cyan-1 8s infinite ease-in-out; }
.flow1-n2 { animation: node-pulse-cyan-2 8s infinite ease-in-out; }
.flow1-n3 { animation: node-pulse-cyan-3 8s infinite ease-in-out; }
.flow1-n4 { animation: node-pulse-cyan-4 8s infinite ease-in-out; }

@keyframes node-pulse-cyan-1 {
  0%, 17%, 26%, 100% { border-color: var(--border-dim); }
  20%, 22% {
    border-color: var(--cyan-primary);
    box-shadow: 0 0 14px rgba(0, 212, 255, 0.35);
  }
}

@keyframes node-pulse-cyan-2 {
  0%, 42%, 51%, 100% { border-color: var(--border-dim); }
  45%, 47% {
    border-color: var(--cyan-primary);
    box-shadow: 0 0 14px rgba(0, 212, 255, 0.35);
  }
}

@keyframes node-pulse-cyan-3 {
  0%, 67%, 76%, 100% { border-color: var(--border-dim); }
  70%, 72% {
    border-color: var(--cyan-primary);
    box-shadow: 0 0 14px rgba(0, 212, 255, 0.35);
  }
}

@keyframes node-pulse-cyan-4 {
  0%, 92%, 99%, 100% { border-color: var(--border-dim); }
  95%, 97% {
    border-color: var(--cyan-primary);
    box-shadow: 0 0 14px rgba(0, 212, 255, 0.35);
  }
}

/* Flow 02 (6s cycle): Segment 1 (0-27%), Segment 2 (33-60%), Segment 3 (67-93%) */
.flow2-p1 { animation: flow2-anim-p1 6s infinite ease-in-out; }
.flow2-p2 { animation: flow2-anim-p2 6s infinite ease-in-out; }
.flow2-p3 { animation: flow2-anim-p3 6s infinite ease-in-out; }

@keyframes flow2-anim-p1 {
  0%   { transform: translateX(0); opacity: 0; }
  4%   { opacity: 1; }
  25%  { transform: translateX(38px); opacity: 1; }
  27%  { transform: translateX(40px); opacity: 0; }
  100% { transform: translateX(40px); opacity: 0; }
}

@keyframes flow2-anim-p2 {
  0%, 31% { transform: translateX(0); opacity: 0; }
  35%     { opacity: 1; }
  58%     { transform: translateX(38px); opacity: 1; }
  60%     { transform: translateX(40px); opacity: 0; }
  100%    { transform: translateX(40px); opacity: 0; }
}

@keyframes flow2-anim-p3 {
  0%, 65% { transform: translateX(0); opacity: 0; }
  69%     { opacity: 1; }
  91%     { transform: translateX(38px); opacity: 1; }
  93%     { transform: translateX(40px); opacity: 0; }
  100%    { transform: translateX(40px); opacity: 0; }
}

/* Flow 02 Destination Node Pulses */
.flow2-n1 { animation: node-pulse-purple-1 6s infinite ease-in-out; }
.flow2-n2 { animation: node-pulse-purple-2 6s infinite ease-in-out; }
.flow2-n3 { animation: node-pulse-purple-3 6s infinite ease-in-out; }

@keyframes node-pulse-purple-1 {
  0%, 24%, 32%, 100% { border-color: var(--border-dim); }
  27%, 29% {
    border-color: #a78bfa;
    box-shadow: 0 0 14px rgba(124, 58, 237, 0.35);
  }
}

@keyframes node-pulse-purple-2 {
  0%, 57%, 65%, 100% { border-color: var(--border-dim); }
  60%, 62% {
    border-color: #a78bfa;
    box-shadow: 0 0 14px rgba(124, 58, 237, 0.35);
  }
}

@keyframes node-pulse-purple-3 {
  0%, 90%, 98%, 100% { border-color: var(--border-dim); }
  93%, 95% {
    border-color: #a78bfa;
    box-shadow: 0 0 14px rgba(124, 58, 237, 0.35);
  }
}

/* ═══════════════════════════════════════════
   ENGINEERING & DEPLOYMENT LAYER (NON-RUNTIME)
   ═══════════════════════════════════════════ */

.arch-deployment-layer {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px dashed var(--border-dim);
}

.arch-deployment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.arch-deploy-card {
  background: rgba(15, 23, 41, 0.65);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.arch-deploy-card-top {
  width: 100%;
}

.deploy-btn {
  width: 100%;
}

.arch-deploy-relationship {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.deploy-rel-line {
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cyan-muted);
}

.rel-dots {
  letter-spacing: 0.15em;
  opacity: 0.6;
}

.rel-action {
  font-size: 0.68rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan-primary);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
}

.rel-arrow {
  color: var(--cyan-primary);
  font-size: 0.75rem;
}

.deploy-target-box {
  background: rgba(6, 8, 13, 0.7);
  border: 1px dashed var(--border-dim);
  border-radius: 6px;
  padding: 0.7rem 0.9rem;
  text-align: center;
  width: 100%;
}

.target-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.target-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  line-height: 1.4;
}

/* Architecture Node Inspector Card */
.arch-inspector {
  background: rgba(15, 23, 41, 0.9);
  border: 1px solid var(--border-glow);
  border-radius: 10px;
  padding: 1.5rem;
  margin-top: 1.5rem;
  position: relative;
  transition: all 0.3s ease;
}

.arch-inspector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border-dim);
}

.arch-inspector-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.arch-inspector-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  background: rgba(0, 212, 255, 0.1);
  color: var(--cyan-primary);
  border: 1px solid rgba(0, 212, 255, 0.25);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

.arch-inspector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

.arch-inspector-block {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.arch-inspector-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.arch-inspector-text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.arch-inspector-text strong {
  color: var(--text-primary);
}

.arch-inspector-specs {
  grid-column: 1 / -1;
  background: rgba(11, 17, 32, 0.6);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════
   CARD TILT & CURSOR MICRO-INTERACTIONS
   ═══════════════════════════════════════════ */

.card-tilt {
  transform-style: preserve-3d;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  will-change: transform;
}

@media (hover: hover) and (pointer: fine) {
  .card-tilt:hover {
    box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 24px rgba(0, 212, 255, 0.08);
  }
}

/* ═══════════════════════════════════════════
   SIGNATURE ARCHITECTURE HOVER PATHS
   ═══════════════════════════════════════════ */

.arch-flow.has-hover .arch-node:not(.hovered):not(.connected) {
  opacity: 0.32;
  filter: grayscale(0.5);
  transition: opacity 0.25s ease, filter 0.25s ease;
}

.arch-node.hovered {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--cyan-primary) !important;
  box-shadow: 0 0 22px rgba(0, 212, 255, 0.35) !important;
  z-index: 5;
}

.arch-node.connected {
  border-color: var(--cyan-muted) !important;
  opacity: 1 !important;
}

/* ═══════════════════════════════════════════
   INTERACTIVE DECISION EXPLORER
   ═══════════════════════════════════════════ */

.decision-explorer {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 2rem;
  background: rgba(11, 17, 32, 0.85);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: 0 12px 36px -10px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.decision-explorer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-primary), var(--violet-accent), transparent);
}

.decision-nav {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.decision-tab-btn {
  background: rgba(15, 23, 41, 0.6);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  color: var(--text-primary);
  position: relative;
  font-family: inherit;
  width: 100%;
}

.decision-tab-btn:hover {
  background: rgba(19, 29, 53, 0.9);
  border-color: var(--cyan-muted);
  transform: translateX(4px);
}

.decision-tab-btn.active {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--cyan-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.15), inset 0 0 0 1px rgba(0, 212, 255, 0.3);
}

.dec-tab-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cyan-primary);
  background: rgba(0, 212, 255, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.decision-tab-btn.active .dec-tab-num {
  background: var(--cyan-primary);
  color: #06080d;
}

.dec-tab-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
}

.dec-tab-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

.dec-tab-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.dec-tab-chevron {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: transform 0.2s;
}

.decision-tab-btn.active .dec-tab-chevron {
  color: var(--cyan-primary);
  transform: translateX(3px);
}

/* Decision Panels Stage */
.decision-panels-stage {
  position: relative;
  min-height: 380px;
}

.decision-panel {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  background: rgba(15, 23, 41, 0.8);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.75rem;
  animation: fadeInPanel 0.35s var(--ease-out);
}

.decision-panel.active {
  display: flex;
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.decision-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-dim);
}

.decision-panel-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 0.25rem;
}

.decision-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--status-green);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
}

.decision-blocks {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.decision-block {
  background: rgba(6, 8, 13, 0.6);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  border-left: 3px solid transparent;
}

.decision-block.chosen {
  border-left-color: var(--status-green);
  background: rgba(34, 197, 94, 0.03);
}

.decision-block.alt {
  border-left-color: var(--status-amber);
  background: rgba(245, 158, 11, 0.03);
}

.decision-block.tradeoff {
  border-left-color: #a78bfa;
  background: rgba(124, 58, 237, 0.03);
}

.decision-block-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.45rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.decision-block.chosen .decision-block-label { color: var(--status-green); }
.decision-block.alt .decision-block-label { color: var(--status-amber); }
.decision-block.tradeoff .decision-block-label { color: #c084fc; }

.decision-text {
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--text-secondary);
}

.decision-text code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  background: rgba(0, 212, 255, 0.08);
  color: var(--cyan-primary);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 212, 255, 0.2);
}

@media (max-width: 900px) {
  .decision-explorer {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ═══════════════════════════════════════════
   FLAGSHIP PROJECT STORY PRESENTATION
   ═══════════════════════════════════════════ */

.project-flagship {
  background: rgba(11, 17, 32, 0.85);
  border: 1px solid var(--border-glow);
  border-radius: 14px;
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.6);
}

.project-flagship::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-primary), var(--blue-accent), var(--violet-accent), transparent);
}

.flagship-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.flagship-header-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.mission-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

.mission-status-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--status-green);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.flagship-title {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.flagship-summary {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.flagship-telemetry-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  background: rgba(6, 8, 13, 0.6);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

.flagship-tel-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.tel-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.tel-v {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
}

.flagship-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* Miniature Architecture Topology Graphic */
.mini-topology-card {
  background: rgba(6, 8, 13, 0.85);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.mini-topology-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-dim);
}

.mini-topology-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--cyan-primary);
  font-weight: 600;
}

.mini-topology-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  color: var(--status-green);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

.mini-topology-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-dim);
}

.topology-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.svg-packet.packet-1 {
  animation: packetLoop1 5s infinite linear;
}

.svg-packet.packet-2 {
  animation: packetLoop2 4s infinite linear;
}

@keyframes packetLoop1 {
  0% { transform: translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(260px); opacity: 0; }
}

@keyframes packetLoop2 {
  0% { transform: translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(260px); opacity: 0; }
}

@media (max-width: 992px) {
  .flagship-grid {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════
   ENGINEERING JOURNEY TIMELINE
   ═══════════════════════════════════════════ */

.journey-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  padding-left: 2rem;
}

.journey-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  position: relative;
}

.journey-rail {
  position: absolute;
  left: -2rem;
  top: 0;
  bottom: -2rem;
  width: 2px;
}

.journey-line {
  position: absolute;
  top: 14px;
  bottom: 0;
  left: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan-primary), var(--border-dim));
}

.journey-item:last-child .journey-line {
  display: none;
}

.journey-marker {
  position: absolute;
  top: 6px;
  left: -4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--space-black);
  border: 2px solid var(--cyan-primary);
  z-index: 2;
}

.journey-marker.pulse-now {
  background: var(--status-green);
  border-color: #ffffff;
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.8);
  animation: pulse-dot 2s infinite ease-in-out;
}

.journey-marker.active-marker {
  background: var(--cyan-primary);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
}

.journey-marker.completed-marker {
  background: var(--blue-accent);
  border-color: var(--border-glow);
}

.journey-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--cyan-primary);
  letter-spacing: 0.05em;
  padding-top: 0.3rem;
}

.journey-card {
  background: rgba(15, 23, 41, 0.75);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: 1.75rem;
  transition: all 0.3s var(--ease-out);
  position: relative;
}

.journey-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.5);
}

.journey-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.journey-mission-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cyan-primary);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  display: block;
}

.journey-role {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.role-sub {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.journey-company {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

.journey-meta-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dim);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

.journey-tag.active {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--status-green);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.journey-summary {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

@media (max-width: 680px) {
  .journey-timeline {
    padding-left: 1.5rem;
  }
  .journey-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .journey-year {
    font-size: 0.95rem;
  }
}

/* ═══════════════════════════════════════════
   TOOLKIT INTERACTIVE FILTER BAR
   ═══════════════════════════════════════════ */

.toolkit-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.toolkit-filter-btn {
  background: rgba(15, 23, 41, 0.6);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  padding: 0.45rem 0.9rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
}

.toolkit-filter-btn:hover {
  border-color: var(--cyan-muted);
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.06);
}

.toolkit-filter-btn.active {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
}

.skill-panel-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.aws-badge { background: rgba(0, 212, 255, 0.1); color: var(--cyan-primary); border: 1px solid rgba(0, 212, 255, 0.3); }
.iac-badge { background: rgba(59, 130, 246, 0.1); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.cicd-badge { background: rgba(34, 197, 94, 0.1); color: var(--status-green); border: 1px solid rgba(34, 197, 94, 0.3); }
.code-badge { background: rgba(168, 85, 247, 0.1); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }

.skill-panel.dimmed {
  opacity: 0.35;
  filter: grayscale(0.5);
  transition: opacity 0.3s, filter 0.3s;
}

.skill-panel.highlighted {
  border-color: var(--cyan-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

/* ═══════════════════════════════════════════
   CONTACT HERO STATEMENT
   ═══════════════════════════════════════════ */

.contact-hero-statement {
  margin-bottom: 2.75rem;
}

.contact-statement {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-substatement {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   TECHNICAL CASE STUDY MODAL & DRAWER
   ═══════════════════════════════════════════ */

.case-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 13, 0.88);
  backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.case-modal-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.case-modal {
  background: #0d1424;
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  width: 100%;
  max-width: 960px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 212, 255, 0.1);
  position: relative;
  display: flex;
  flex-direction: column;
}

.case-modal-header {
  position: sticky;
  top: 0;
  background: rgba(13, 20, 36, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dim);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  z-index: 10;
}

.case-modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.case-modal-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--cyan-primary);
  margin-top: 0.25rem;
}

.case-modal-close {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-dim);
  color: var(--text-secondary);
  font-size: 1.5rem;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.case-modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--cyan-primary);
  border-color: var(--cyan-primary);
}

.case-modal-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.case-section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case-section-title::before {
  content: '//';
  font-family: 'JetBrains Mono', monospace;
  color: var(--cyan-primary);
  font-size: 0.95rem;
}

.case-text {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.case-table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--border-dim);
  border-radius: 8px;
}

.case-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.case-table th {
  background: var(--panel-bg);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-dim);
}

.case-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(26, 39, 68, 0.5);
  color: var(--text-secondary);
}

.case-table tr:last-child td {
  border-bottom: none;
}

.case-code-snippet {
  background: #080c14;
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: #7dd3fc;
  overflow-x: auto;
  line-height: 1.6;
  margin: 0.75rem 0;
}

.case-lessons-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-lesson-item {
  background: rgba(15, 23, 41, 0.6);
  border-left: 3px solid var(--cyan-primary);
  border-radius: 0 6px 6px 0;
  padding: 0.85rem 1.1rem;
}

.case-lesson-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}


/* ═══════════════════════════════════════════
   RESPONSIVE DESIGN
   ═══════════════════════════════════════════ */

/* Large desktop (1440+) — no changes needed, base styles work */

/* Laptop (1280px) */
@media (max-width: 1280px) {
  .hero-orbital {
    width: clamp(200px, 25vw, 350px);
    height: clamp(200px, 25vw, 350px);
    opacity: 0.1;
  }
}

/* Tablet landscape (1024px) */
@media (max-width: 1024px) {
  .hero-orbital {
    display: none;
  }

  .hero-name {
    font-size: clamp(2.5rem, 6vw, 4rem);
  }

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

/* Tablet portrait (768px) */
@media (max-width: 768px) {
  :root {
    --section-pad-y: 3.5rem;
  }

  .hero {
    min-height: 90vh;
    padding-top: 5rem;
  }

  .hero-name {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn-primary-glow,
  .hero-actions .btn-outline {
    justify-content: center;
    width: 100%;
  }

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

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

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

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  /* Responsive Architecture Flow (768px) */
  .arch-flow {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    gap: 0.35rem;
  }

  .arch-node {
    width: 100%;
    min-width: 0;
    flex: 1 1 auto;
  }

  .arch-connector {
    transform: rotate(90deg);
    margin: 0.6rem auto;
    flex: 0 0 32px;
    height: 32px;
  }

  .arch-deployment-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

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

  .case-modal-header {
    padding: 1.25rem 1.25rem;
  }

  .case-modal-content {
    padding: 1.25rem;
    gap: 1.75rem;
  }
}

/* Mobile (390px / 375px) */
@media (max-width: 420px) {
  :root {
    --section-pad-x: 1.25rem;
    --section-pad-y: 3rem;
  }

  .hero {
    min-height: auto;
    padding-top: 5rem;
    padding-bottom: 3rem;
  }

  .hero-name {
    font-size: 2.2rem;
  }

  .hero-tags {
    font-size: 0.65rem;
    letter-spacing: 0.12em;
  }

  .hero-intro {
    font-size: 0.95rem;
  }

  .mission-card {
    padding: 1.25rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .timeline {
    padding-left: 2rem;
  }

  .timeline-dot {
    left: -2rem;
  }

  .project-card {
    padding: 1.25rem;
  }

  .meta-cards {
    grid-template-columns: 1fr;
  }

  .arch-diagram-wrapper {
    padding: 1.25rem;
  }

  .system-status-grid {
    grid-template-columns: 1fr;
  }

  .arch-inspector {
    padding: 1.1rem;
  }
}

/* ═══════════════════════════════════════════
   FOCUS STATES (Accessibility)
   ═══════════════════════════════════════════ */

*:focus-visible {
  outline: 2px solid var(--cyan-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan-primary);
  outline-offset: 3px;
}

/* ═══════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════ */

.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-cyan { color: var(--cyan-primary); }
.text-green { color: var(--status-green); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }