:root {
      --primary-dark: #0a1929;
      --secondary-dark: #1a2b3e;
      --accent-orange: #ff6b35;
      --accent-orange-light: #ff8c5a;
      --accent-orange-dark: #e55a2b;
      --text-light: #f0f4f8;
      --text-gray: #b0bec5;
      --border-color: #2a3a4a;
      --shadow-color: rgba(0, 0, 0, 0.3);
      --border-radius: 10px;
      --transition: all 0.3s ease;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    html {
      scroll-behavior: smooth;
    }
    
    body {
      font-family: 'Inter', sans-serif;
      line-height: 1.6;
      color: var(--text-gray);
      background-color: var(--primary-dark);
      overflow-x: hidden;
    }
    
    h1, h2, h3, h4, h5, h6 {
      font-family: 'Montserrat', sans-serif;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 1rem;
      color: var(--text-light);
    }
    
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    
    ul {
      list-style: none;
    }
    
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    
    .section-title {
      text-align: center;
      margin-bottom: 3rem;
    }
    
    .section-title h2 {
      font-size: 2.5rem;
      position: relative;
      display: inline-block;
      padding-bottom: 15px;
    }
    
    .section-title h2:after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 100px;
      height: 4px;
      background-color: var(--accent-orange);
      border-radius: 2px;
    }
    
    .section-title p {
      max-width: 800px;
      margin: 1rem auto 0;
      font-size: 1.1rem;
    }
    
    .btn {
      display: inline-block;
      background-color: var(--accent-orange);
      color: white;
      font-weight: 600;
      padding: 14px 30px;
      border-radius: 50px;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      font-family: 'Montserrat', sans-serif;
      text-align: center;
      box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
    }
    
    .btn:hover {
      background-color: var(--accent-orange-dark);
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
    }
    
    .btn i {
      margin-right: 8px;
    }
    
    /* ===== HEADER ===== */
    header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      background-color: rgba(10, 25, 41, 0.95);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      padding: 15px 0;
      transition: var(--transition);
      backdrop-filter: blur(10px);
    }
    
    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    
    .logo {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-light);
    }
    
    .logo span {
      color: var(--accent-orange);
    }
    
    .navbar ul {
      display: flex;
    }
    
    .navbar li {
      margin-left: 2.5rem;
    }
    
    .navbar a {
      font-weight: 600;
      font-size: 1rem;
      color: var(--text-gray);
      position: relative;
      padding: 5px 0;
    }
    
    .navbar a:hover, .navbar a.active {
      color: var(--accent-orange);
    }
    
    .navbar a:after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--accent-orange);
      transition: var(--transition);
    }
    
    .navbar a:hover:after, .navbar a.active:after {
      width: 100%;
    }
    
    .phone-btn {
      background-color: var(--accent-orange);
      color: white;
      font-weight: 700;
      padding: 12px 28px;
      border-radius: 50px;
      display: flex;
      align-items: center;
      font-family: 'Montserrat', sans-serif;
      font-size: 1.1rem;
      box-shadow: 0 4px 15px rgba(255, 107, 53, 0.25);
    }
    
    .phone-btn:hover {
      background-color: var(--accent-orange-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
    }
    
    .phone-btn i {
      margin-right: 10px;
      font-size: 1.2rem;
    }
    
    .mobile-menu-toggle {
      display: none;
      font-size: 1.8rem;
      cursor: pointer;
      color: var(--text-light);
    }
    
    /* ===== HERO SECTION ===== */
    .hero {
      background: linear-gradient(rgba(10, 25, 41, 0.9), rgba(10, 25, 41, 0.95)), url('https://images.unsplash.com/photo-1516549655669-df565bcb5b9d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1470&q=80');
      background-size: cover;
      background-position: center;
      background-attachment: fixed;
      color: white;
      padding: 180px 0 120px;
      text-align: center;
      margin-top: 70px;
      position: relative;
      overflow: hidden;
    }
    
    .hero:before {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 100px;
      background: linear-gradient(to top, var(--primary-dark), transparent);
    }
    
    .hero h1 {
      font-size: 3.5rem;
      margin-bottom: 1.5rem;
      text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    }
    
    .hero h1 span {
      color: var(--accent-orange);
    }
    
    .hero h2 {
      font-size: 2rem;
      font-weight: 400;
      margin-bottom: 2.5rem;
      color: var(--text-gray);
    }
    
    .hero p {
      font-size: 1.2rem;
      max-width: 800px;
      margin: 0 auto 3rem;
      color: var(--text-gray);
      line-height: 1.8;
    }
    
    .hero-btn {
      background-color: var(--accent-orange);
      color: white;
      font-weight: 800;
      font-size: 1.4rem;
      padding: 20px 50px;
      border-radius: 50px;
      display: inline-block;
      text-transform: uppercase;
      letter-spacing: 1px;
      box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
      position: relative;
      overflow: hidden;
      z-index: 1;
    }
    
    .hero-btn:before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
      transition: 0.5s;
      z-index: -1;
    }
    
    .hero-btn:hover:before {
      left: 100%;
    }
    
    .hero-btn:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 30px rgba(255, 107, 53, 0.5);
    }
    
    /* ===== ABOUT SECTION ===== */
    .about {
      padding: 100px 0;
      background-color: var(--secondary-dark);
      position: relative;
    }
    
    .about:before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 5px;
      background: linear-gradient(90deg, var(--accent-orange), var(--accent-orange-light));
    }
    
    .about h2 {
      font-size: 2.8rem;
      text-align: center;
      margin-bottom: 3rem;
    }
    
    .about h2 span {
      color: var(--accent-orange);
      position: relative;
    }
    
    .highlight {
      display: inline-block;
      position: relative;
    }
    
    .highlight:after {
      content: '';
      position: absolute;
      bottom: 5px;
      left: 0;
      width: 100%;
      height: 10px;
      background-color: rgba(255, 107, 53, 0.25);
      z-index: -1;
      border-radius: 3px;
    }
    
    .features-list {
      max-width: 900px;
      margin: 0 auto;
      background-color: rgba(26, 43, 62, 0.8);
      padding: 50px;
      border-radius: var(--border-radius);
      border: 1px solid var(--border-color);
      box-shadow: 0 10px 30px var(--shadow-color);
    }
    
    .features-list ul {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
    }
    
    .features-list li {
      padding: 18px 0 18px 50px;
      position: relative;
      font-size: 1.1rem;
      border-bottom: 1px solid rgba(42, 58, 74, 0.5);
      transition: var(--transition);
    }
    
    .features-list li:hover {
      transform: translateX(5px);
    }
    
    .features-list li:last-child {
      border-bottom: none;
    }
    
    .features-list li:before {
      content: '✓';
      position: absolute;
      left: 0;
      top: 18px;
      background-color: var(--accent-orange);
      color: white;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(255, 107, 53, 0.3);
    }
    
    .features-list li strong {
      color: var(--text-light);
      font-weight: 700;
    }
    
    .rating-badge {
      display: inline-block;
      background-color: rgba(255, 107, 53, 0.15);
      color: var(--accent-orange-light);
      padding: 5px 15px;
      border-radius: 50px;
      font-weight: 700;
      margin-top: 10px;
      border: 1px solid rgba(255, 107, 53, 0.3);
    }
    
    /* ===== BOXES SECTION ===== */
    .boxes-section {
      padding: 100px 0;
      background-color: var(--primary-dark);
    }
    
    .boxes-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
    }
    
    .box {
      background-color: var(--secondary-dark);
      border-radius: var(--border-radius);
      overflow: hidden;
      box-shadow: 0 10px 25px var(--shadow-color);
      transition: var(--transition);
      border-top: 5px solid var(--accent-orange);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    
    .box:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
      border-top-color: var(--accent-orange-light);
    }
    
    .box-header {
      background-color: rgba(255, 107, 53, 0.1);
      color: white;
      padding: 30px 20px;
      text-align: center;
      border-bottom: 1px solid var(--border-color);
    }
    
    .box-title {
      font-size: 1.6rem;
      margin-bottom: 8px;
      color: var(--accent-orange);
    }
    
    .box-subtitle {
      font-size: 1rem;
      color: var(--text-gray);
    }
    
    .box-content {
      padding: 30px 20px;
      flex-grow: 1;
    }
    
    .box-content ul li {
      padding: 12px 0 12px 35px;
      border-bottom: 1px solid rgba(42, 58, 74, 0.5);
      position: relative;
    }
    
    .box-content ul li:before {
      content: '•';
      position: absolute;
      left: 0;
      top: 12px;
      color: var(--accent-orange);
      font-size: 2rem;
      line-height: 0;
    }
    
    .box-content ul li:last-child {
      border-bottom: none;
    }
    
    /* ===== PORTFOLIO SECTION ===== */
    .portfolio {
      padding: 100px 0;
      background-color: var(--secondary-dark);
      position: relative;
    }
    
    .portfolio:before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 5px;
      background: linear-gradient(90deg, var(--accent-orange), var(--accent-orange-light));
    }
    
    .portfolio-container {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
      gap: 30px;
      margin-top: 50px;
    }
    
    .portfolio-item {
      border-radius: var(--border-radius);
      overflow: hidden;
      position: relative;
      box-shadow: 0 10px 25px var(--shadow-color);
      height: 250px;
      border: 1px solid var(--border-color);
    }
    
    .portfolio-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    
    .portfolio-item:hover img {
      transform: scale(1.1);
    }
    
    .portfolio-info {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(to top, rgba(10, 25, 41, 0.95), transparent);
      color: white;
      padding: 25px;
      transform: translateY(100%);
      transition: var(--transition);
    }
    
    .portfolio-item:hover .portfolio-info {
      transform: translateY(0);
    }
    
    .portfolio-info h4 {
      font-size: 1.4rem;
      margin-bottom: 5px;
      color: var(--accent-orange-light);
    }
    
    .portfolio-lightbox {
      position: absolute;
      right: 20px;
      top: 20px;
      background-color: var(--accent-orange);
      width: 45px;
      height: 45px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 1.3rem;
      opacity: 0;
      transition: var(--transition);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }
    
    .portfolio-item:hover .portfolio-lightbox {
      opacity: 1;
      transform: rotate(90deg);
    }
    
    /* ===== HIGHLIGHT SECTION ===== */
    .highlight-section {
      padding: 100px 0;
      background-color: var(--primary-dark);
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    
    .highlight-section:before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle at center, rgba(255, 107, 53, 0.05) 0%, transparent 70%);
    }
    
    .highlight-box {
      max-width: 900px;
      margin: 0 auto 50px;
      background-color: rgba(26, 43, 62, 0.7);
      padding: 50px;
      border-radius: var(--border-radius);
      border: 1px solid var(--border-color);
      box-shadow: 0 10px 30px var(--shadow-color);
    }
    
    .highlight-box p {
      font-size: 1.3rem;
      margin-bottom: 25px;
      line-height: 1.8;
      color: var(--text-gray);
      position: relative;
      padding-left: 40px;
      text-align: left;
    }
    
    .highlight-box p:before {
      content: '✓';
      position: absolute;
      left: 0;
      top: 0;
      color: var(--accent-orange);
      font-weight: bold;
      font-size: 1.5rem;
    }
    
    .call-box {
      background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-dark));
      color: white;
      padding: 40px;
      border-radius: var(--border-radius);
      max-width: 700px;
      margin: 0 auto;
      font-size: 1.8rem;
      font-weight: 800;
      box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
      text-transform: uppercase;
      letter-spacing: 1px;
      position: relative;
      overflow: hidden;
      z-index: 1;
    }
    
    .call-box:before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
      transition: 0.5s;
      z-index: -1;
    }
    
    .call-box:hover:before {
      left: 100%;
    }
    
    /* ===== FOOTER ===== */
    footer {
      background-color: #0a1420;
      color: white;
      padding: 70px 0 30px;
      text-align: center;
      border-top: 5px solid var(--accent-orange);
    }
    
    .footer-logo {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 25px;
      color: white;
    }
    
    .footer-logo span {
      color: var(--accent-orange);
    }
    
    .footer-contact {
      margin-bottom: 40px;
    }
    
    .footer-contact p {
      font-size: 1.3rem;
      margin-bottom: 15px;
      color: var(--text-gray);
    }
    
    .footer-contact a {
      color: var(--accent-orange);
      font-weight: 800;
      font-size: 1.8rem;
      display: inline-block;
      margin-bottom: 20px;
    }
    
    .footer-contact a:hover {
      color: var(--accent-orange-light);
    }
    
    .footer-hours {
      color: var(--text-gray);
      font-size: 1.1rem;
      margin-top: 20px;
    }
    
    .copyright {
      padding-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.9rem;
      color: rgba(255, 255, 255, 0.5);
    }
    
    .back-to-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 55px;
      height: 55px;
      background-color: var(--accent-orange);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      opacity: 0;
      visibility: hidden;
      transition: var(--transition);
      z-index: 999;
      box-shadow: 0 5px 20px rgba(255, 107, 53, 0.4);
    }
    
    .back-to-top.active {
      opacity: 1;
      visibility: visible;
    }
    
    .back-to-top:hover {
      background-color: var(--accent-orange-dark);
      transform: translateY(-5px);
    }
    
    /* ===== ANIMATIONS ===== */
    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }
    
    .pulse {
      animation: pulse 2s infinite;
    }
    
    /* ===== RESPONSIVE DESIGN ===== */
    @media (max-width: 1200px) {
      .hero h1 {
        font-size: 3rem;
      }
      
      .about h2, .section-title h2 {
        font-size: 2.3rem;
      }
    }
    
    @media (max-width: 992px) {
      .hero h1 {
        font-size: 2.6rem;
      }
      
      .hero h2 {
        font-size: 1.7rem;
      }
      
      .portfolio-container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      }
      
      .boxes-container {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    
    @media (max-width: 768px) {
      .navbar {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: rgba(10, 25, 41, 0.98);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
        transition: var(--transition);
        padding: 30px 0;
        backdrop-filter: blur(10px);
        z-index: 999;
      }
      
      .navbar.active {
        left: 0;
      }
      
      .navbar ul {
        flex-direction: column;
        align-items: center;
      }
      
      .navbar li {
        margin: 0 0 25px 0;
      }
      
      .mobile-menu-toggle {
        display: block;
      }
      
      .phone-btn span {
        display: none;
      }
      
      .phone-btn i {
        margin-right: 0;
        font-size: 1.5rem;
      }
      
      .hero {
        padding: 150px 0 90px;
      }
      
      .hero h1 {
        font-size: 2.2rem;
      }
      
      .hero h2 {
        font-size: 1.5rem;
      }
      
      .hero-btn {
        padding: 18px 35px;
        font-size: 1.2rem;
      }
      
      .section-title h2 {
        font-size: 1.9rem;
      }
      
      .about, .boxes-section, .portfolio, .highlight-section {
        padding: 70px 0;
      }
      
      .features-list {
        padding: 30px 20px;
      }
      
      .features-list ul {
        grid-template-columns: 1fr;
      }
      
      .boxes-container {
        grid-template-columns: 1fr;
        gap: 25px;
      }
      
      .highlight-box {
        padding: 30px 20px;
      }
      
      .highlight-box p {
        font-size: 1.1rem;
        padding-left: 35px;
      }
      
      .call-box {
        font-size: 1.5rem;
        padding: 30px 20px;
      }
    }
    
    @media (max-width: 576px) {
      .hero h1 {
        font-size: 2rem;
      }
      
      .hero-btn {
        padding: 16px 30px;
        font-size: 1.1rem;
      }
      
      .portfolio-container {
        grid-template-columns: 1fr;
      }
      
      .box-header, .box-content {
        padding: 25px 15px;
      }
      
      .footer-contact a {
        font-size: 1.5rem;
      }
    }