/* ============================================================   PROJECT DETAILS — COMMON STYLES   ============================================================ */:root {  --bg: #030810;  --card: #0a121e;  --border: rgba(0, 229, 255, 0.15);  --cyan: #00e5ff;  --purple: #7b2fff;  --text: #e0e6ed;  --text-dim: #94a3b8;  --orbitron: 'Orbitron', sans-serif;  --inter: 'Inter', sans-serif;  --glow-cyan: 0 0 15px rgba(0, 229, 255, 0.3);  --glow-purple: 0 0 15px rgba(123, 47, 255, 0.3);  --diagram-node-bg: rgba(0,229,255,0.08);}/* ============ RESET & BASE ============ */* { margin: 0; padding: 0; box-sizing: border-box; }html { scroll-behavior: smooth; }body {  background-color: var(--bg);  color: var(--text);  font-family: var(--inter);  line-height: 1.7;  overflow-x: hidden;}/* Scrollbar */::-webkit-scrollbar { width: 8px; }::-webkit-scrollbar-track { background: var(--bg); }::-webkit-scrollbar-thumb { background: linear-gradient(var(--cyan), var(--purple)); border-radius: 4px; }.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }/* ============ NAV ============ */.project-nav {  height: 80px;  display: flex;  align-items: center;  justify-content: space-between;  border-bottom: 1px solid var(--border);  position: fixed;  top: 0; left: 0;  width: 100%;  background: rgba(3, 8, 16, 0.95);  backdrop-filter: blur(14px);  z-index: 1000;  transition: background 0.4s;}.back-btn {  color: var(--cyan);  text-decoration: none;  font-family: var(--orbitron);  font-size: 0.85rem;  letter-spacing: 1px;  display: flex;  align-items: center;  gap: 8px;  transition: 0.3s;}.back-btn:hover { text-shadow: var(--glow-cyan); transform: translateX(-5px); }.nav-logo {  font-family: var(--orbitron);  font-weight: 800;  font-size: 1.2rem;  color: var(--text);}/* ============ HERO ============ */.project-hero { padding-top: 140px; padding-bottom: 60px; text-align: center; }.project-label {  color: var(--cyan);  font-family: var(--orbitron);  font-size: 0.85rem;  letter-spacing: 3px;  margin-bottom: 12px;}.project-title {  font-family: var(--orbitron);  font-size: clamp(2rem, 5vw, 3.5rem);  font-weight: 800;  margin-bottom: 24px;  background: linear-gradient(to right, var(--text), var(--cyan));  -webkit-background-clip: text;  -webkit-text-fill-color: transparent;}/* ============ INFO GRID ============ */.info-grid {  display: grid;  grid-template-columns: 2fr 1fr;  gap: 60px;  margin-top: 40px;}.info-main h3, .info-sidebar h3 {  font-family: var(--orbitron);  font-size: 1.15rem;  margin-bottom: 20px;  color: var(--cyan);}.project-description { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 30px; }/* ============ FEATURE CARDS ============ */.features-grid {  display: grid;  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));  gap: 24px;  margin-top: 30px;}.feature-card {  background: var(--card);  border: 1px solid var(--border);  padding: 28px;  border-radius: 12px;  transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);  position: relative;  overflow: hidden;}.feature-card::before {  content: '';  position: absolute;  top: 0; left: 0;  width: 100%; height: 3px;  background: linear-gradient(90deg, var(--cyan), var(--purple));  transform: scaleX(0);  transform-origin: left;  transition: transform 0.4s;}.feature-card:hover::before { transform: scaleX(1); }.feature-card:hover { border-color: var(--cyan); transform: translateY(-8px); box-shadow: var(--glow-cyan); }.feature-card i { font-size: 2.2rem; color: var(--cyan); margin-bottom: 16px; display: block; }.feature-card h4 { font-family: var(--orbitron); font-size: 1rem; margin-bottom: 12px; }.feature-card p { color: var(--text-dim); font-size: 0.92rem; }/* ============ SIDEBAR ============ */.sidebar-box {  background: var(--card);  border: 1px solid var(--border);  padding: 28px;  border-radius: 12px;  margin-bottom: 24px;  transition: background 0.4s, border 0.4s;}.meta-item { margin-bottom: 20px; }.meta-label { font-family: var(--orbitron); font-size: 0.72rem; color: var(--text-dim); letter-spacing: 1px; margin-bottom: 5px; }.meta-value { font-weight: 600; }.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }.tech-tag {  background: var(--diagram-node-bg);  border: 1px solid var(--border);  color: var(--cyan);  padding: 4px 12px;  font-size: 0.72rem;  font-family: var(--orbitron);  border-radius: 4px;  transition: 0.3s;}.tech-tag:hover { background: var(--cyan); color: #000; }.live-link {  display: inline-flex;  align-items: center;  gap: 10px;  background: var(--cyan);  color: #000;  text-decoration: none;  font-family: var(--orbitron);  font-weight: 700;  font-size: 0.85rem;  padding: 14px 28px;  border-radius: 6px;  transition: 0.3s;  width: 100%;  justify-content: center;}.live-link:hover { box-shadow: var(--glow-cyan); transform: translateY(-2px); }/* ============ STAT BARS ============ */.stats-grid { margin-top: 30px; display: flex; flex-direction: column; gap: 18px; }.stat-item { width: 100%; }.stat-info { display: flex; justify-content: space-between; font-family: var(--orbitron); font-size: 0.75rem; margin-bottom: 8px; }.stat-bar-bg { width: 100%; height: 6px; background: var(--diagram-node-bg); border-radius: 3px; overflow: hidden; }.stat-bar-fill {  height: 100%;  background: linear-gradient(90deg, var(--purple), var(--cyan));  width: 0;  transition: width 1.5s cubic-bezier(0.1, 0.5, 0.5, 1);}.reveal.visible .stat-bar-fill { width: var(--percent); }/* ============ ARCHITECTURE DIAGRAM ============ */.arch-section { margin-top: 80px; padding-bottom: 40px; }.arch-title { font-family: var(--orbitron); text-align: center; margin-bottom: 40px; color: var(--cyan); font-size: 1.2rem; }.showcase-title { font-family: var(--orbitron); text-align: center; margin-bottom: 30px; color: var(--cyan); font-size: 1.2rem; }.arch-diagram {  display: flex;  flex-wrap: wrap;  justify-content: center;  gap: 20px;  position: relative;}.arch-node {  background: var(--card);  border: 1px solid var(--border);  padding: 20px 28px;  border-radius: 10px;  text-align: center;  min-width: 160px;  transition: 0.4s;  position: relative;}.arch-node:hover { border-color: var(--cyan); transform: translateY(-5px) scale(1.05); box-shadow: var(--glow-cyan); }.arch-node i { font-size: 1.8rem; color: var(--cyan); display: block; margin-bottom: 10px; }.arch-node .node-label { font-family: var(--orbitron); font-size: 0.7rem; letter-spacing: 1px; color: var(--text-dim); margin-top: 4px; }.arch-node .node-name { font-family: var(--orbitron); font-size: 0.85rem; font-weight: 700; }.arch-connector {  display: flex;  align-items: center;  justify-content: center;  color: var(--cyan);  font-size: 1.4rem;  opacity: 0.5;}/* ============ INTERACTIVE VIEWER ============ */.project-showcase { margin-top: 60px; padding-bottom: 80px; }.viewer-container {  width: 100%;  max-width: 1000px;  margin: 0 auto;  background: #000;  border: 1px solid var(--border);  border-radius: 12px;  overflow: hidden;  position: relative;  transition: background 0.4s;}.viewer-header {  background: #111;  padding: 12px 20px;  display: flex;  align-items: center;  justify-content: space-between;  border-bottom: 1px solid var(--border);  transition: background 0.4s;}.viewer-controls { display: flex; gap: 8px; }.v-dot { width: 12px; height: 12px; border-radius: 50%; }.v-dot.red { background: #ff5f56; }.v-dot.yellow { background: #ffbd2e; }.v-dot.green { background: #27c93f; }.viewer-url { font-family: var(--inter); font-size: 0.75rem; color: var(--viewer-url); }.viewer-content {  height: 600px;  overflow: auto;  position: relative;  scrollbar-width: thin;  scrollbar-color: var(--cyan) #000;}.viewer-content::-webkit-scrollbar { width: 8px; height: 8px; }.viewer-content::-webkit-scrollbar-track { background: #000; }.viewer-content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }.viewer-content::-webkit-scrollbar-thumb:hover { background: var(--cyan); }.big-img { width: 100%; display: block; cursor: grab; }.big-img:active { cursor: grabbing; }/* ============ GALLERY ============ */.gallery-grid {  display: grid;  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));  gap: 16px;  margin-top: 30px;}.gallery-item {  aspect-ratio: 16/10;  background: var(--card);  border: 1px solid var(--border);  border-radius: 8px;  overflow: hidden;  cursor: pointer;  transition: 0.3s;}.gallery-item:hover { transform: scale(1.05); border-color: var(--cyan); box-shadow: var(--glow-cyan); }.gallery-item img { width: 100%; height: 100%; object-fit: cover; }/* ============ LIGHTBOX OVERLAY ============ */.lightbox-overlay {  position: fixed;  top: 0; left: 0;  width: 100vw; height: 100vh;  background: rgba(0,0,0,0.92);  z-index: 10000;  display: none;  align-items: center;  justify-content: center;  padding: 40px;  cursor: zoom-out;}.lightbox-overlay.active { display: flex; }.lightbox-overlay img {  max-width: 95%;  max-height: 90vh;  object-fit: contain;  border-radius: 8px;  box-shadow: 0 20px 60px rgba(0,0,0,0.5);}.lightbox-close {  position: absolute;  top: 20px; right: 30px;  background: none;  border: none;  color: #fff;  font-size: 2rem;  cursor: pointer;  transition: 0.3s;}.lightbox-close:hover { color: var(--cyan); transform: rotate(90deg); }.lightbox-nav {  position: absolute;  top: 50%;  transform: translateY(-50%);  background: rgba(255,255,255,0.1);  border: 1px solid rgba(255,255,255,0.2);  color: #fff;  width: 50px; height: 50px;  border-radius: 50%;  font-size: 1.2rem;  cursor: pointer;  display: flex;  align-items: center;  justify-content: center;  transition: 0.3s;}.lightbox-nav:hover { background: var(--cyan); color: #000; }.lightbox-prev { left: 20px; }.lightbox-next { right: 20px; }/* ============ ANIMATED COUNTERS ============ */.counter-grid {  display: grid;  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));  gap: 24px;  margin-top: 40px;}.counter-box {  text-align: center;  padding: 24px 16px;  background: var(--card);  border: 1px solid var(--border);  border-radius: 12px;  transition: 0.3s;}.counter-box:hover { border-color: var(--cyan); transform: translateY(-4px); }.counter-num {  font-family: var(--orbitron);  font-size: 2rem;  font-weight: 800;  color: var(--cyan);  display: block;}.counter-label {  font-family: var(--orbitron);  font-size: 0.65rem;  color: var(--text-dim);  letter-spacing: 1px;  margin-top: 6px;}/* ============ FLOW DIAGRAM ============ */.flow-section { margin-top: 60px; }.flow-steps {  display: flex;  flex-wrap: wrap;  justify-content: center;  gap: 0;  margin-top: 30px;}.flow-step {  display: flex;  align-items: center;  gap: 0;}.flow-card {  background: var(--card);  border: 1px solid var(--border);  padding: 20px 24px;  border-radius: 10px;  text-align: center;  min-width: 150px;  transition: 0.3s;}.flow-card:hover { border-color: var(--cyan); box-shadow: var(--glow-cyan); }.flow-card i { font-size: 1.5rem; color: var(--cyan); display: block; margin-bottom: 8px; }.flow-card span { font-family: var(--orbitron); font-size: 0.72rem; }.flow-arrow { color: var(--cyan); font-size: 1.2rem; margin: 0 8px; opacity: 0.5; }@media (max-width: 768px) {  .flow-steps { flex-direction: column; align-items: center; }  .flow-step { flex-direction: column; }  .flow-arrow { transform: rotate(90deg); margin: 8px 0; }}/* ============ FOOTER ============ */.project-footer {  padding: 60px 0;  border-top: 1px solid var(--border);  text-align: center;}.footer-nav { display: flex; justify-content: center; gap: 40px; margin-top: 20px; }.footer-nav-link { color: var(--text-dim); text-decoration: none; font-family: var(--orbitron); font-size: 0.8rem; transition: 0.3s; }.footer-nav-link:hover { color: var(--cyan); }/* ============ REVEAL ANIMATIONS ============ */.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }.reveal.visible { opacity: 1; transform: translateY(0); }/* Staggered reveal for children */.reveal.visible .feature-card { animation: fadeUp 0.6s ease-out forwards; opacity: 0; }.reveal.visible .feature-card:nth-child(1) { animation-delay: 0.1s; }.reveal.visible .feature-card:nth-child(2) { animation-delay: 0.25s; }.reveal.visible .feature-card:nth-child(3) { animation-delay: 0.4s; }.reveal.visible .arch-node { animation: fadeUp 0.5s ease-out forwards; opacity: 0; }.reveal.visible .arch-node:nth-child(1) { animation-delay: 0.1s; }.reveal.visible .arch-node:nth-child(2) { animation-delay: 0.2s; }.reveal.visible .arch-node:nth-child(3) { animation-delay: 0.3s; }.reveal.visible .arch-node:nth-child(4) { animation-delay: 0.4s; }.reveal.visible .arch-node:nth-child(5) { animation-delay: 0.5s; }@keyframes fadeUp {  from { opacity: 0; transform: translateY(20px); }  to { opacity: 1; transform: translateY(0); }}@keyframes float {  0%, 100% { transform: translateY(0); }  50% { transform: translateY(-10px); }}.float { animation: float 3s ease-in-out infinite; }/* ============ RESPONSIVE ============ */@media (max-width: 1200px) {  .project-title { font-size: clamp(2rem, 5vw, 3rem); }}@media (max-width: 992px) {  .info-grid { grid-template-columns: 1fr; gap: 40px; }  .gallery-grid { grid-template-columns: repeat(2, 1fr); }  .counter-grid { grid-template-columns: repeat(2, 1fr); }}@media (max-width: 768px) {  .project-nav { padding: 16px 20px; }  .project-hero { padding: 80px 20px 40px; }  .features-grid { grid-template-columns: 1fr; gap: 20px; }  .arch-diagram { flex-direction: column; align-items: center; gap: 10px; }  .arch-connector { transform: rotate(90deg); margin: 10px 0; }  .arch-node { width: 100%; max-width: 280px; }  .flow-steps { flex-direction: column; align-items: center; }  .flow-step { flex-direction: column; width: 100%; max-width: 280px; }  .flow-card { width: 100%; }  .flow-arrow { transform: rotate(90deg); margin: 12px 0; }  .viewer-header { padding: 10px 15px; }  .viewer-content { height: 400px; }  .project-footer { padding: 40px 20px; }}@media (max-width: 600px) {  .project-title { font-size: 2.2rem; }  .project-description { font-size: 0.95rem; }  .gallery-grid { grid-template-columns: 1fr; }  .counter-grid { grid-template-columns: 1fr; gap: 20px; }  .stats-grid { grid-template-columns: 1fr; }  .lightbox-nav { width: 40px; height: 40px; font-size: 1rem; }  .lightbox-close { top: 15px; right: 15px; }  .tech-tags { justify-content: center; }  .live-link { width: 100%; justify-content: center; }}@media (max-width: 480px) {  .project-hero { padding: 70px 15px 30px; }  .project-label { font-size: 0.75rem; letter-spacing: 2px; }  .project-title { font-size: 1.8rem; }  .project-description { font-size: 0.85rem; }  .info-main h3, .info-sidebar h3 { font-size: 1rem; }  .feature-card { padding: 20px; }  .viewer-header { flex-direction: column; gap: 10px; }  .viewer-controls { align-self: flex-start; }  .viewer-url { font-size: 0.7rem; max-width: 100%; }}@media (max-width: 380px) {  .project-title { font-size: 1.5rem; }  .project-nav .nav-logo { font-size: 0.8rem; }  .back-btn { font-size: 0.7rem; }  .feature-card h4 { font-size: 0.9rem; }  .feature-card p { font-size: 0.8rem; }  .footer-nav { flex-direction: column; align-items: center; gap: 20px; }}