/* ==========================================================================
   NEO-ENGINEER DESIGN SYSTEM (toitenhuy.vercel.app)
   Author: Nguyễn Đăng Huy
   Aesthetic: Dark Obsidian, Technical Grid, Radial Spotlight, High Contrast
   ========================================================================== */

/* --- DESIGN TOKENS & SYSTEM VARIABLES --- */
:root {
  /* Surfaces */
  --bg-base: #08090d;
  --bg-subtle: #0d1017;
  --bg-card: rgba(18, 22, 31, 0.7);
  --bg-card-hover: rgba(24, 30, 42, 0.85);
  --bg-element: #161b26;
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-focus: rgba(0, 242, 254, 0.5);
  --border-cyan: rgba(0, 242, 254, 0.3);
  
  /* Accents & Brand */
  --accent-cyan: #00f2fe;
  --accent-indigo: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  /* Typography Colors */
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-code: #38bdf8;
  
  /* Fonts */
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Layout & Geometry */
  --nav-height: 64px;
  --telemetry-height: 36px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  
  /* Modern Easing */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-spring);
  --transition-normal: 250ms var(--ease-spring);
  --transition-slow: 400ms var(--ease-spring);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--telemetry-height) + 20px);
  color-scheme: dark;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.mono {
  font-family: var(--font-mono);
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- BACKGROUND MATRIX & SPOTLIGHT --- */
.spotlight-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 30%), rgba(99, 102, 241, 0.08), transparent 80%);
  transition: opacity 0.3s ease;
}

.grid-mesh-bg {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 40%, rgba(0,0,0,0.1) 90%);
}

#ambient-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
}

/* --- TOP TELEMETRY BAR --- */
.top-telemetry {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--telemetry-height);
  background: rgba(8, 9, 13, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  font-size: 11px;
}

.telemetry-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.telemetry-left, .telemetry-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.telemetry-divider {
  color: var(--text-muted);
  opacity: 0.4;
}

.pulse-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.9); }
}

.status-ok {
  color: var(--accent-emerald);
}

.kbd-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-element);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-size: 11px;
  transition: var(--transition-fast);
}

.kbd-trigger:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-indigo);
  color: #fff;
}

.cmd-icon {
  font-size: 12px;
}

/* --- NAVIGATION BAR --- */
.navbar {
  position: fixed;
  top: var(--telemetry-height);
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(8, 9, 13, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 999;
  transition: var(--transition-normal);
}

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 2px;
}

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

.logo-text {
  color: #fff;
  letter-spacing: -0.5px;
}

.logo-cursor {
  color: var(--accent-cyan);
  animation: blinkCursor 1s infinite;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 6px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-idx {
  color: var(--accent-cyan);
  font-size: 11px;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  border: 1px solid var(--border-medium);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-social-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
  transition: var(--transition-fast);
}

.nav-social-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
  transform: translateY(-2px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- MAIN CONTENT & SECTIONS --- */
.main-content {
  position: relative;
  z-index: 10;
  padding-top: calc(var(--nav-height) + var(--telemetry-height));
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-dark {
  background: rgba(13, 16, 23, 0.6);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-tag {
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}

.tag-hash {
  color: var(--text-muted);
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 8px;
}

.section-subheading {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 600px;
  margin-bottom: 48px;
}

/* --- HERO SECTION --- */
.hero-section {
  min-height: calc(100vh - var(--nav-height) - var(--telemetry-height));
  display: flex;
  align-items: center;
  padding: 60px 0 80px;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background: rgba(0, 242, 254, 0.06);
  border: 1px solid var(--border-cyan);
  border-radius: 999px;
  font-size: 11px;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.hero-greeting {
  display: block;
  font-size: 0.55em;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: normal;
  margin-bottom: 4px;
}

.hero-name-gradient {
  background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-role-container {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.role-prompt {
  font-size: 12px;
  color: var(--text-muted);
}

.role-typing-box {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-cyan);
  min-height: 1.6em;
  display: flex;
  align-items: center;
}

.typed-cursor {
  color: var(--accent-cyan);
  margin-left: 2px;
  animation: blinkCursor 0.8s infinite;
}

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

.hero-description {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  transition: var(--transition-fast);
}

.btn-primary {
  background: #fff;
  color: #08090d;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: var(--accent-cyan);
  color: #08090d;
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: #fff;
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 12px;
}

.btn-outline:hover {
  color: var(--accent-cyan);
  border-color: var(--border-cyan);
  background: rgba(0, 242, 254, 0.05);
}

.btn-full {
  width: 100%;
}

.hero-metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.metric-lbl {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* --- TERMINAL DECK --- */
.terminal-deck {
  background: #0b0e14;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
  overflow: hidden;
  transition: var(--transition-normal);
}

.terminal-deck:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(99, 102, 241, 0.15);
}

.terminal-deck-header {
  height: 40px;
  background: #11141c;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-deck-dots {
  display: flex;
  gap: 6px;
}

.terminal-deck-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-deck-title {
  font-size: 12px;
  color: var(--text-muted);
}

.terminal-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-element);
  color: var(--accent-cyan);
}

.terminal-deck-body {
  padding: 20px;
  font-size: 12.5px;
  line-height: 1.7;
}

.term-line {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.term-prompt {
  color: var(--accent-cyan);
}

.term-cmd {
  color: #fff;
}

.term-output-grid {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 18px;
  margin-bottom: 14px;
}

.term-avatar-wrap {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-medium);
}

.term-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-corner {
  position: absolute;
  width: 6px;
  height: 6px;
  border-color: var(--accent-cyan);
  border-style: solid;
}

.avatar-corner.tl { top: 2px; left: 2px; border-width: 2px 0 0 2px; }
.avatar-corner.tr { top: 2px; right: 2px; border-width: 2px 2px 0 0; }
.avatar-corner.bl { bottom: 2px; left: 2px; border-width: 0 0 2px 2px; }
.avatar-corner.br { bottom: 2px; right: 2px; border-width: 0 2px 2px 0; }

.term-info-text p {
  margin-bottom: 3px;
}

.term-key {
  color: var(--text-muted);
  display: inline-block;
  width: 90px;
}

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

.term-val.bold { font-weight: 700; color: #fff; }
.term-val.highlight { color: var(--accent-indigo); }
.term-val.green { color: var(--accent-emerald); }

.term-code-block {
  padding: 8px 12px;
  background: var(--bg-element);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--text-code);
  font-size: 11.5px;
}

.mt-3 { margin-top: 12px; }

/* --- BENTO GRID SYSTEM --- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.bento-col-4 { grid-column: span 4; }
.bento-col-8 { grid-column: span 8; }
.bento-col-12 { grid-column: span 12; }

.bento-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(16px);
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.bento-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
  background: var(--bg-card-hover);
}

.card-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.08), transparent 70%);
  pointer-events: none;
}

.card-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-chip {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.meta-icon {
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.bento-card:hover .meta-icon {
  color: var(--accent-cyan);
  transform: translate(2px, -2px);
}

.bento-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.bento-sub-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.bento-text {
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.75;
  margin-bottom: 14px;
}

.bento-text strong {
  color: #fff;
}

.bento-text-sm {
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
}

.tech-badge {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-element);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Telemetry Widget */
.telemetry-widget {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.telemetry-gauge {
  background: var(--bg-element);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.gauge-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.gauge-label {
  font-size: 11px;
  color: var(--text-muted);
}

.divider-line {
  height: 1px;
  background: var(--border-subtle);
}

.stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-muted);
}

.stat-highlight {
  color: #fff;
  font-weight: 600;
}

.card-action-link {
  margin-top: auto;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-element);
  border: 1px solid var(--border-subtle);
  color: var(--accent-cyan);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-fast);
}

.card-action-link:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
}

/* Education Grid in Bento */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.edu-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.edu-year {
  font-size: 11px;
  color: var(--accent-indigo);
  letter-spacing: 1px;
  font-weight: 600;
}

.edu-school {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.edu-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- TECH STACK MATRIX --- */
.stack-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stack-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition-normal);
}

.stack-category-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
}

.stack-cat-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cat-icon-box {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-indigo);
  font-size: 18px;
}

.cat-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.cat-desc {
  font-size: 11px;
  color: var(--text-muted);
}

.stack-items-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stack-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-primary);
}

.item-pct {
  font-size: 11px;
  color: var(--text-muted);
}

.meter-bar {
  height: 4px;
  background: var(--bg-element);
  border-radius: 999px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-indigo), var(--accent-cyan));
  border-radius: 999px;
}

/* --- PROJECTS SHOWCASE --- */
.projects-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 36px;
}

.project-filters {
  display: flex;
  gap: 6px;
  background: var(--bg-card);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.filter-btn {
  padding: 6px 14px;
  font-size: 11.5px;
  color: var(--text-muted);
  border-radius: 4px;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  color: #fff;
}

.filter-btn.active {
  background: var(--bg-element);
  color: var(--accent-cyan);
  border: 1px solid var(--border-medium);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  position: relative;
}

.project-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.project-meta-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.project-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.project-links a {
  color: var(--text-muted);
  font-size: 15px;
  transition: var(--transition-fast);
}

.project-links a:hover {
  color: var(--accent-cyan);
}

.project-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.project-description {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.project-tech-tags span {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-element);
  border: 1px solid var(--border-subtle);
  color: var(--text-code);
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
}

.deploy-status.ok {
  color: var(--accent-emerald);
}

.deploy-status.pending {
  color: var(--accent-amber);
}

.commit-id {
  color: var(--text-muted);
}

/* --- CHANGELOG & TIMELINE --- */
.changelog-stream {
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.changelog-stream::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 60px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--border-subtle) 90%, transparent);
}

.log-entry {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  position: relative;
}

.log-marker {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding-top: 18px;
}

.log-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-cyan);
}

.log-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  margin-top: 3px;
  margin-right: -5px;
  z-index: 2;
}

.log-entry.upcoming .log-tag {
  color: var(--accent-amber);
}

.log-entry.upcoming .log-dot {
  border-color: var(--accent-amber);
  box-shadow: 0 0 10px var(--accent-amber);
}

.log-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition-normal);
}

.log-card:hover {
  border-color: var(--border-medium);
  transform: translateX(4px);
}

.log-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 11.5px;
}

.log-date {
  color: var(--text-muted);
}

.log-badge {
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-element);
  color: var(--accent-cyan);
  font-size: 10px;
  letter-spacing: 0.5px;
}

.log-badge.highlight {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.log-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.log-text {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* --- CONTACT TERMINAL & DISPATCH --- */
.contact-terminal-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 32px;
  align-items: start;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.channel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition-fast);
}

.channel-card:not(.info-only):hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-element);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.channel-icon.fb { color: #1877f2; }
.channel-icon.gh { color: #fff; }
.channel-icon.loc { color: var(--accent-rose); }

.channel-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-grow: 1;
}

.channel-lbl {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-align: center;
  font-style: italic;
}

/* --------------------------------------------------------------------------
   11. EDITORIAL FOOTER (NO COPYRIGHT - CLEAN SIGN-OFF)
   -------------------------------------------------------------------------- */
.atelier-footer {
  border-top: 1px solid var(--border-hairline);
  padding: 40px 0;
  background-color: var(--bg-primary);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.footer-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.back-top-link {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-full);
  background: var(--bg-card);
  transition: all var(--transition-fast);
}

.back-top-link:hover {
  color: var(--accent-warm);
  border-color: var(--accent-warm);
  background: var(--bg-warm-tint);
}

/* --------------------------------------------------------------------------
   12. RESPONSIVE MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .editorial-eyebrow {
    justify-content: center;
  }

  .ornament-divider {
    justify-content: center;
  }

  .hero-statement {
    margin: 0 auto 28px auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-quick-meta {
    justify-content: center;
  }

  .hero-image-col {
    order: -1;
  }

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

  .edu-achieve-grid {
    grid-template-columns: 1fr;
  }

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

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

  .contact-editorial-layout {
    grid-template-columns: 1fr;
  }
}

.channel-val {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.channel-arrow {
  color: var(--text-muted);
  font-size: 13px;
  transition: var(--transition-fast);
}

.channel-card:hover .channel-arrow {
  color: var(--accent-cyan);
  transform: translate(2px, -2px);
}

.contact-console {
  background: #0b0e14;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.console-head {
  height: 38px;
  background: #11141c;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-muted);
}

.console-status {
  font-size: 10px;
  color: var(--accent-emerald);
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.1);
}

.console-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 11.5px;
  color: var(--text-secondary);
}

.prompt-arrow {
  color: var(--accent-cyan);
}

.form-row input, .form-row textarea {
  background: var(--bg-element);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: var(--transition-fast);
  resize: vertical;
}

.form-row input:focus, .form-row textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.2);
}

.console-note {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

/* --- FOOTER --- */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 32px 0;
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-base);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-copy {
  color: var(--text-secondary);
}

.footer-env {
  font-size: 10.5px;
  color: var(--text-muted);
}

.back-to-top {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-element);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 11px;
  transition: var(--transition-fast);
}

.back-to-top:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

/* --- COMMAND PALETTE (CTRL + K) --- */
.cmd-palette-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

.cmd-palette-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.cmd-palette-modal {
  width: 90%;
  max-width: 580px;
  background: #0f121a;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05);
  overflow: hidden;
  transform: scale(0.96) translateY(-10px);
  transition: var(--transition-fast);
}

.cmd-palette-backdrop.active .cmd-palette-modal {
  transform: scale(1) translateY(0);
}

.cmd-palette-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.cmd-search-icon {
  color: var(--text-muted);
  font-size: 16px;
}

.cmd-palette-search input {
  flex-grow: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  outline: none;
}

.cmd-esc-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-element);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.cmd-palette-results {
  max-height: 320px;
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cmd-group-title {
  font-size: 10px;
  color: var(--text-muted);
  padding: 8px 12px 4px;
  letter-spacing: 1px;
}

.cmd-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.cmd-item:hover, .cmd-item.selected {
  background: rgba(99, 102, 241, 0.15);
  color: #fff;
}

.cmd-item i {
  color: var(--accent-cyan);
  width: 18px;
  text-align: center;
}

.cmd-item span {
  flex-grow: 1;
}

.cmd-key-hint {
  font-size: 10.5px;
  color: var(--text-muted);
}

.cmd-palette-footer {
  padding: 10px 20px;
  background: #090c12;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 11px;
  color: var(--text-muted);
}

.cmd-palette-footer kbd {
  padding: 1px 4px;
  background: var(--bg-element);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  color: var(--text-secondary);
}

/* --- TOAST NOTIFICATION --- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: #11141c;
  border: 1px solid var(--accent-cyan);
  color: #fff;
  font-size: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-fast);
  z-index: 10000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stack-matrix-grid {
    grid-template-columns: 1fr;
  }

  .bento-col-4, .bento-col-8 {
    grid-column: span 12;
  }

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

  .contact-terminal-grid {
    grid-template-columns: 1fr;
  }
}

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

  .navbar {
    top: 0;
  }

  .main-content {
    padding-top: var(--nav-height);
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(8, 9, 13, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 20px;
    gap: 8px;
  }

  .nav-menu.open {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .hero-metrics-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .term-output-grid {
    grid-template-columns: 1fr;
  }

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

  .log-entry {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .changelog-stream::before {
    left: 10px;
  }

  .log-marker {
    padding-left: 24px;
  }

  .log-dot {
    position: absolute;
    left: 5px;
    top: 22px;
  }
}