/* ============================================================
   DynamiX-Labs Design System
   Deep Dark Engineering Theme
   ============================================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Background Colors — true black base */
  --bg-primary: #0a0c0a;
  --bg-secondary: #111411;
  --bg-tertiary: #161b16;
  --bg-card: rgba(22, 27, 22, 0.7);
  --bg-card-hover: rgba(30, 36, 30, 0.85);
  --bg-nav: rgba(10, 12, 10, 0.92);

  /* Accent Colors */
  --accent-blue: #22c55e;
  --accent-cyan: #4ade80;
  --accent-light: #4dc3ff;
  --accent-deep: #0055cc;
  --accent-purple: #7c3aed;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #16a34a 0%, #4ade80 100%);
  --gradient-hero: linear-gradient(180deg, transparent 0%, rgba(3, 5, 8, 0.5) 50%, #030508 100%);
  --gradient-card-border: linear-gradient(135deg, rgba(34, 197, 94, 0.3), rgba(74, 222, 128, 0.05), rgba(34, 197, 94, 0.15));
  --gradient-text: linear-gradient(135deg, #ffffff 0%, #4ade80 50%, #16a34a 100%);
  --gradient-section: radial-gradient(ellipse at 50% 0%, rgba(34, 197, 94, 0.04) 0%, transparent 50%);

  /* Text Colors */
  --text-primary: #f1f5f0;
  --text-secondary: #a3b8a8;
  --text-muted: #6b7a6f;
  --text-heading: #ffffff;

  /* Glow Effects — subtle, not neon */
  --glow-blue: 0 0 24px rgba(34, 197, 94, 0.12);
  --glow-cyan: 0 0 20px rgba(74, 222, 128, 0.1);
  --glow-strong: 0 0 40px rgba(34, 197, 94, 0.15);

  /* Borders */
  --border-subtle: 1px solid rgba(34, 197, 94, 0.1);
  --border-card: 1px solid rgba(34, 197, 94, 0.12);
  --border-hover: 1px solid rgba(34, 197, 94, 0.35);

  /* Spacing */
  --section-padding: 120px 0;
  --container-width: 1280px;
  --container-padding: 0 24px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

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

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(34, 197, 94, 0.3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(34, 197, 94, 0.5);
}

/* Selection */
::selection {
  background: rgba(34, 197, 94, 0.3);
  color: #ffffff;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

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

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.2;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: var(--bg-nav);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(34, 197, 94, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.nav-brand img {
  height: 40px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(34, 197, 94, 0.3));
  transition: var(--transition-smooth);
}

.nav-brand:hover img {
  filter: drop-shadow(0 0 16px rgba(34, 197, 94, 0.5));
}

.nav-brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.nav-brand-text span {
  color: #00d4ff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
  letter-spacing: 0.3px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-heading);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-cta {
  background: var(--gradient-primary) !important;
  color: #ffffff !important;
  padding: 5px 14px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.2);
  transition: var(--transition-smooth) !important;
}

.nav-cta svg {
  width: 16px;
  height: 16px;
}

.nav-cta:hover {
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.4) !important;
  transform: translateY(-1px);
}

.nav-cta::after {
  display: none !important;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: var(--transition-smooth);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: rgba(11, 17, 32, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-left: 1px solid rgba(34, 197, 94, 0.1);
  padding: 100px 32px 32px;
  transition: var(--transition-smooth);
  z-index: 999;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-size: 1.1rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--accent-cyan);
  padding-left: 12px;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 998;
  opacity: 0;
  transition: var(--transition-smooth);
}

.mobile-overlay.active {
  opacity: 1;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-image: url('../world-below-5.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
  pointer-events: none;
}

/* Animated grid lines */
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(34, 197, 94, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 197, 94, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-logo {
  width: 160px;
  height: auto;
  margin: 0 auto 32px;
  filter: drop-shadow(0 0 40px rgba(34, 197, 94, 0.4));
  animation: logoPulse 4s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 40px rgba(34, 197, 94, 0.4)); }
  50% { filter: drop-shadow(0 0 60px rgba(74, 222, 128, 0.6)); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.hero-title .highlight {
  color: #00d4ff;
}



.hero-description {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 40px rgba(34, 197, 94, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(34, 197, 94, 0.08);
  color: var(--accent-light);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.btn-secondary:hover {
  background: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.4);
  transform: translateY(-2px);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.scroll-indicator .chevron {
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--accent-blue);
  border-bottom: 2px solid var(--accent-blue);
  transform: rotate(45deg);
  opacity: 0.5;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(12px); }
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
  padding: var(--section-padding);
  position: relative;
  background: var(--gradient-section);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p {
  margin-top: 24px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.9;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-smooth);
}

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(34, 197, 94, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--glow-blue);
}

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ============================================================
   FOCUS AREAS SECTION
   ============================================================ */
.focus-areas {
  padding: var(--section-padding);
  position: relative;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.focus-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--border-card);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.focus-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient-card-border);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: var(--transition-smooth);
}

.focus-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  box-shadow: var(--glow-blue);
}

.focus-card:hover::after {
  opacity: 1;
}

.focus-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(34, 197, 94, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

.focus-card:hover .focus-icon {
  background: rgba(34, 197, 94, 0.2);
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.2);
}

.focus-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-cyan);
}

.focus-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

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

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects {
  padding: var(--section-padding);
  position: relative;
  background: var(--gradient-section);
}

.projects-list {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--border-card);
  border-radius: var(--radius-xl);
  padding: 40px;
  transition: var(--transition-smooth);
  align-items: center;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 197, 94, 0.3), transparent);
}

.project-card:hover {
  border-color: rgba(34, 197, 94, 0.2);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3), var(--glow-blue);
}

.project-card:nth-child(even) {
  direction: rtl;
}

.project-card:nth-child(even) > * {
  direction: ltr;
}

.project-card.no-image {
  grid-template-columns: 1fr;
}

/* Project Image Carousel */
.project-images {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/10;
  border: 1px solid rgba(34, 197, 94, 0.1);
}

.project-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
  background: #0a1019;
}

.project-images img.active {
  opacity: 1;
}

.carousel-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 5;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  padding: 0;
}

.carousel-dot.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
  width: 24px;
  border-radius: 4px;
}

/* Project Info */
.project-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  width: fit-content;
}

.project-status.active {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.project-status.dev {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.project-status .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: statusPulse 2s ease-in-out infinite;
}

.project-status.active .status-dot {
  background: var(--accent-green);
}

.project-status.dev .status-dot {
  background: var(--accent-amber);
}

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

.project-info h3 {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}

.project-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 12px;
  background: rgba(34, 197, 94, 0.08);
  color: var(--accent-light);
  border: 1px solid rgba(34, 197, 94, 0.15);
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.project-features {
  list-style: none;
  padding: 0;
  margin: 4px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
}

.project-features li {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}

.project-features li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.4;
}

.project-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.meta-item svg {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.project-links {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

.project-link.github {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.project-link.github:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.project-link.issues {
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.12);
  color: var(--accent-amber);
}

.project-link.issues:hover {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.25);
  transform: translateY(-1px);
}

.project-link svg {
  width: 16px;
  height: 16px;
}

/* ============================================================
   ARCHITECTURE SECTION
   ============================================================ */
.architecture {
  padding: var(--section-padding);
  position: relative;
}

.arch-container {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.arch-layer {
  display: flex;
  align-items: stretch;
  gap: 24px;
  padding: 28px 32px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--border-card);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.arch-layer:hover {
  background: var(--bg-card-hover);
  border-color: rgba(34, 197, 94, 0.25);
  transform: translateX(8px);
  box-shadow: var(--glow-blue);
}

.arch-layer-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.15);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: fit-content;
  white-space: nowrap;
}

.arch-layer-content h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.arch-layer-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Data flow connector */
.arch-connector {
  width: 2px;
  height: 16px;
  background: linear-gradient(to bottom, rgba(34, 197, 94, 0.4), rgba(74, 222, 128, 0.1));
  margin: 0 auto;
  position: relative;
}

.arch-connector::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  animation: flowDown 2s ease-in-out infinite;
}

@keyframes flowDown {
  0% { top: -4px; opacity: 0; }
  50% { opacity: 1; }
  100% { top: 16px; opacity: 0; }
}

.arch-repo-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  opacity: 0.7;
  transition: var(--transition-fast);
  letter-spacing: 0.3px;
}

.arch-repo-link:hover {
  opacity: 1;
  color: #ffffff;
}

.arch-layer-content code {
  font-family: var(--font-mono);
  font-size: 0.8em;
  background: rgba(34, 197, 94, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-light);
  border: 1px solid rgba(34, 197, 94, 0.1);
}

/* ============================================================
   CONTRIBUTE SECTION
   ============================================================ */
.contribute {
  padding: var(--section-padding);
  position: relative;
  background: var(--gradient-section);
}

.contribute-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.contribute-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.contribute-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-smooth);
}

.contribute-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(34, 197, 94, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--glow-blue);
}

.contribute-card:hover::before {
  transform: scaleX(1);
}

.contribute-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(34, 197, 94, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition-smooth);
}

.contribute-card:hover .contribute-icon {
  background: rgba(34, 197, 94, 0.15);
}

.contribute-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-cyan);
}

.contribute-card h4 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.contribute-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.contribute-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  opacity: 0.8;
  transition: var(--transition-fast);
  letter-spacing: 0.3px;
}

.contribute-link:hover {
  opacity: 1;
  color: #ffffff;
}

/* ============================================================
   TEAM SECTION
   ============================================================ */
.team {
  padding: var(--section-padding);
  position: relative;
  background: var(--gradient-section);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.team-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-smooth);
}

.team-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  box-shadow: var(--glow-blue);
  border-color: rgba(34, 197, 94, 0.25);
}

.team-card:hover::before {
  transform: scaleX(1);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  border: 2px solid rgba(34, 197, 94, 0.2);
  transition: var(--transition-smooth);
  object-fit: cover;
  background: var(--bg-tertiary);
}

.team-card:hover .team-avatar {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.3);
}

.team-card h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.team-role {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.team-github {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(34, 197, 94, 0.06);
  transition: var(--transition-fast);
}

.team-github:hover {
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent-cyan);
}

.team-github svg {
  width: 14px;
  height: 14px;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
  padding: var(--section-padding);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  margin-top: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-md);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  color: var(--accent-cyan);
}

.contact-item h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

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

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--border-card);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(34, 197, 94, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  letter-spacing: 0.5px;
}

.form-submit:hover {
  box-shadow: 0 8px 40px rgba(34, 197, 94, 0.3);
  transform: translateY(-2px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(34, 197, 94, 0.08);
  background: var(--bg-secondary);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  height: 28px;
}

.footer-brand span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.footer-links a svg {
  width: 18px;
  height: 18px;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
  width: 100%;
  text-align: center;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.45s; }
.stagger-children.visible > *:nth-child(10) { transition-delay: 0.5s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }

  .focus-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .project-card {
    grid-template-columns: 1fr;
    padding: 32px;
  }

  .project-card:nth-child(even) {
    direction: ltr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contribute-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 64px 0;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .hero-logo {
    width: 120px;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

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

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .team-card {
    padding: 24px 16px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-card {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .project-card {
    padding: 24px;
    gap: 32px;
  }

  .arch-layer {
    flex-direction: column;
    gap: 12px;
    padding: 24px;
  }

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

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

  .project-features {
    grid-template-columns: 1fr;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .section-title {
    font-size: 1.8rem;
  }
}