:root {
      --primary: #ea580c;
      --primary-dark: #c2410c;
      --secondary: #0ea5e9;
      --dark: #0f172a;
      --darker: #020617;
      --light: #f8fafc;
      --gray: #64748b;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
      color: var(--light);
      line-height: 1.7;
      font-weight: 400;
      font-size: 16px;
      overflow-x: hidden;
      -webkit-tap-highlight-color: transparent;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: 'Manrope', 'Poppins', sans-serif;
      font-weight: 800;
      line-height: 1.2;
    }

    .font-manrope {
      font-family: 'Manrope', sans-serif;
    }

    .font-space {
      font-family: 'Space Grotesk', monospace;
    }

   
    .text-display {
      font-size: clamp(1.875rem, 5vw, 3rem);
      line-height: 1.1;
      letter-spacing: -0.02em;
    }

    .text-headline {
      font-size: clamp(1.5rem, 4vw, 2.25rem);
      line-height: 1.2;
      letter-spacing: -0.01em;
    }

    .text-title {
      font-size: clamp(1.25rem, 3vw, 1.875rem);
      line-height: 1.3;
    }

    .text-subtitle {
      font-size: clamp(0.875rem, 2vw, 1.125rem);
      line-height: 1.5;
      color: #94a3b8;
    }

    .text-body {
      font-size: clamp(0.9375rem, 2vw, 1rem);
      line-height: 1.7;
    }

    .text-small {
      font-size: clamp(0.8125rem, 1.5vw, 0.875rem);
      line-height: 1.5;
    }

   
    .glass-panel {
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 16px;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    }

    @media (min-width: 768px) {
      .glass-panel {
        border-radius: 24px;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
      }
    }

    .glass-card {
      background: linear-gradient(135deg, rgba(30, 41, 59, 0.4), rgba(15, 23, 42, 0.6));
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 16px;
    }

    @media (min-width: 768px) {
      .glass-card {
        border-radius: 20px;
      }
    }


    .gradient-border {
      position: relative;
      background: linear-gradient(var(--dark), var(--dark)) padding-box,
                  linear-gradient(135deg, var(--primary), var(--secondary), var(--primary)) border-box;
      border: 2px solid transparent;
      border-radius: 16px;
    }

    @media (min-width: 768px) {
      .gradient-border {
        border-width: 3px;
        border-radius: 24px;
      }
    }

    
    .hover-lift {
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    @media (min-width: 768px) {
      .hover-lift:hover {
        transform: translateY(-8px);
        box-shadow: 0 16px 32px -12px rgba(234, 88, 12, 0.25);
      }
    }

    
    .text-gradient {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      background-size: 200% auto;
    }

    @keyframes text-gradient {
      0%, 100% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
    }

   
    ::-webkit-scrollbar {
      width: 8px;
    }

    ::-webkit-scrollbar-track {
      background: linear-gradient(180deg, var(--dark), var(--darker));
    }

    ::-webkit-scrollbar-thumb {
      background: linear-gradient(180deg, var(--primary), var(--secondary));
      border-radius: 4px;
      border: 2px solid var(--dark);
    }

    ::-webkit-scrollbar-thumb:hover {
      background: linear-gradient(180deg, var(--primary-dark), var(--secondary));
    }

    
    .section-spacing {
      padding-top: clamp(2rem, 6vw, 4rem);
      padding-bottom: clamp(2rem, 6vw, 4rem);
    }

  
    .animated-bg {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      background: 
        radial-gradient(circle at 20% 50%, rgba(234, 88, 12, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
      animation: bg-float 20s ease-in-out infinite;
    }

    @keyframes bg-float {
      0%, 100% { transform: translate(0, 0) rotate(0deg); }
      33% { transform: translate(-10px, -10px) rotate(0.5deg); }
      66% { transform: translate(10px, 10px) rotate(-0.5deg); }
    }

    /* Loading Animation */
    @keyframes shimmer {
      0% { background-position: -1000px 0; }
      100% { background-position: 1000px 0; }
    }

    .shimmer {
      background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0) 100%);
      background-size: 1000px 100%;
      animation: shimmer 2s infinite linear;
    }

   
    .timeline-container {
      position: relative;
      padding-left: 32px;
    }

    @media (min-width: 768px) {
      .timeline-container {
        padding-left: 50px;
      }
    }

    .timeline-line {
      position: absolute;
      left: 12px;
      top: 0;
      bottom: 0;
      width: 3px;
      background: linear-gradient(to bottom, var(--primary), var(--secondary));
      border-radius: 2px;
    }

    @media (min-width: 768px) {
      .timeline-line {
        left: 20px;
        width: 4px;
      }
    }

    .timeline-dot {
      position: absolute;
      left: 8px;
      width: 16px;
      height: 16px;
      border: 3px solid var(--dark);
      background: var(--primary);
      border-radius: 50%;
      z-index: 2;
    }

    @media (min-width: 768px) {
      .timeline-dot {
        left: 15px;
        width: 20px;
        height: 20px;
        border-width: 4px;
      }
    }

    
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
      gap: 16px;
    }

    @media (min-width: 768px) {
      .gallery-grid {
        gap: 24px;
        grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
      }
    }

    .gallery-item {
      position: relative;
      overflow: hidden;
      border-radius: 12px;
      cursor: pointer;
      aspect-ratio: 16/9;
    }

    @media (min-width: 768px) {
      .gallery-item {
        border-radius: 20px;
      }
    }

    .gallery-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .gallery-item:hover img {
      transform: scale(1.08);
    }

    .gallery-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(2, 6, 23, 0.9) 0%, transparent 60%);
      opacity: 0;
      transition: all 0.3s ease;
      display: flex;
      align-items: flex-end;
      padding: 1rem;
      transform: translateY(10px);
    }

    @media (min-width: 768px) {
      .gallery-overlay {
        padding: 2rem;
        transform: translateY(20px);
      }
    }

    .gallery-item:hover .gallery-overlay {
      opacity: 1;
      transform: translateY(0);
    }

    
    .stat-number {
      font-family: 'Space Grotesk', monospace;
      font-size: clamp(1.875rem, 4vw, 2.5rem);
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    @media (min-width: 768px) {
      .stat-number {
        font-size: clamp(2.5rem, 5vw, 3.5rem);
      }
    }

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

    .float-animation {
      animation: float 6s ease-in-out infinite;
    }

   
    .progress-bar {
      width: 100%;
      height: 6px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 3px;
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      border-radius: 3px;
      transition: width 1s ease-in-out;
    }

    @media (min-width: 768px) {
      .progress-bar {
        height: 8px;
        border-radius: 4px;
      }
    }

    
    .tech-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 40px;
      font-weight: 600;
      font-size: 0.875rem;
      transition: all 0.3s ease;
    }

    @media (min-width: 768px) {
      .tech-badge {
        padding: 12px 24px;
        font-size: 1rem;
        border-radius: 50px;
      }
    }

    .tech-badge:hover {
      transform: translateY(-3px);
      border-color: var(--primary);
      box-shadow: 0 6px 20px rgba(234, 88, 12, 0.2);
    }

    
    .sticky-nav {
      position: sticky;
      top: 0;
      z-index: 40;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
    }

    
    button, 
    a {
      touch-action: manipulation;
      -webkit-tap-highlight-color: transparent;
    }

  
    .responsive-padding {
      padding-left: clamp(1rem, 4vw, 2rem);
      padding-right: clamp(1rem, 4vw, 2rem);
    }

    .responsive-margin {
      margin-left: clamp(1rem, 4vw, 2rem);
      margin-right: clamp(1rem, 4vw, 2rem);
    }

    
    @supports (padding: max(0px)) {
      .safe-top {
        padding-top: max(1rem, env(safe-area-inset-top));
      }
      
      .safe-bottom {
        padding-bottom: max(1rem, env(safe-area-inset-bottom));
      }
      
      .safe-left {
        padding-left: max(1rem, env(safe-area-inset-left));
      }
      
      .safe-right {
        padding-right: max(1rem, env(safe-area-inset-right));
      }
    }

    
    .mobile-menu {
      transform: translateX(100%);
      transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .mobile-menu.open {
      transform: translateX(0);
    }

   
    .touch-target {
      min-height: 44px;
      min-width: 44px;
    }

 
    .will-change-transform {
      will-change: transform;
    }

    .backface-hidden {
      backface-visibility: hidden;
      -webkit-backface-visibility: hidden;
    }

 
    .loading {
      background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
      background-size: 200% 100%;
      animation: loading 1.5s infinite;
    }

    @keyframes loading {
      0% { background-position: 200% 0; }
      100% { background-position: -200% 0; }
    }

  
    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }
    .scrollbar-hide {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }
    
    .scrollbar-hide::-webkit-scrollbar {
      display: none;
    }