/* HEADER */
    .header-section {
      padding: 0 clamp(20px, 5vw, 50px);
      min-height: 100vh;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .main-navbar {
      position: relative;
      z-index: 10;
      width: 100%;
    }

    nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      max-width: 1400px;
      margin: auto;
      padding: clamp(20px, 4vw, 30px) 0;
      gap: 16px;
    }

    .logo {
      font-size: clamp(1.6rem, 4vw, 2.2rem);
      font-weight: 800;
      letter-spacing: 3px;
      background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .nav-links {
      display: flex;
      gap: clamp(16px, 2vw, 28px);
    }

    .nav-links a {
      position: relative;
      text-decoration: none;
      color: var(--light-text);
      font-weight: 600;
      font-size: clamp(0.95rem, 1.5vw, 1.04rem);
    }

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

    .mobile-menu {
      display: none;
      flex-direction: column;
      position: absolute;
      top: 100%;
      right: 0;
      width: 200px;
      background: var(--glass-bg-mobile-menu);
      backdrop-filter: blur(15px);
      -webkit-backdrop-filter: blur(15px);
      flex-direction: column;
      gap: 24px;
      border-radius: 24px;
      border: var(--border-general);
      transition: all 0.4s ease;
      margin-top: 10px;
      padding: 24px 46px;
    }

    .mobile-menu.active {
      display: flex;
    }

    .mobile-menu-button {
      display: none;
      background: none;
      border: none;
      color: var(--light-text);
      font-size: 2rem;
      cursor: pointer;
      z-index: 100;
      transition: all 0.4s ease;
    }

    .mobile-menu-button:hover {
      color: var(--primary-color);
      transform: rotate(90deg);
    }

    /* HERO LAYOUT */
    .hero-layout {
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: 1400px;
      margin: auto;
      width: 100%;
      min-height: calc(100vh - 120px);
      position: relative;
      z-index: 2;
    }

    .header-content {
      flex: 1;
      width: 60%;
    }

    .header-content h2 {
      font-size: clamp(1.9rem, 4vw, 3.2rem);
      font-weight: 600;
      line-height: 1.1;
      margin-bottom: 10px;
      text-align: left;
      min-height: clamp(3em, 2.5vw, 4.8em);
    }

    .subtitle {
      font-size: clamp(1rem, 2.5vw, 1.2rem);
      max-width: 650px;
      text-align: left;
      margin-bottom: clamp(16px, 5vw, 28px);
      color: var(--dark-text);
    }

    .header-buttons {
      display: flex;
      gap: 20px;
      margin-bottom: 24px;
    }

    .hero-image-container {
      flex: 1;
      width: 40%;
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .hero-img {
      width: clamp(300px, 40vw, 400px);
      height: clamp(300px, 40vw, 400px);
      border-radius: 50%;
      object-fit: cover;
      z-index: 3;
      border: var(--border-img);
      box-shadow: var(--shadow-img);
      transition: all 0.4s ease;
    }

    .hero-img:hover {
      transform: scale(1.05);
    }

    .circle-bg {
      position: absolute;
      width: clamp(380px, 40vw, 480px);
      height: clamp(380px, 40vw, 480px);
      border: 3px solid var(--primary-color);
      animation: pulse 4s ease-in-out infinite;
      border-radius: 50%;
      z-index: 1;
    }

    .image-rings {
      position: absolute;
      width: clamp(400px, 40vw, 500px);
      height: clamp(400px, 40vw, 500px);
      border-radius: 50%;
      pointer-events: none;
      z-index: 0;
    }

    .image-rings span {
      position: absolute;
      inset: 0;
      border-radius: 50%;
      border: 5px dashed var(--rings-1);
      animation: rotateRing 20s linear infinite;
    }

    .image-rings span:nth-child(2) {
      inset: 25px;
      border-color: var(--rings-2);
      animation-direction: reverse;
    }

    .dotted-circle-top {
      position: absolute;
      top: -80px;
      left: -80px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      border: 10px dotted var(--light-gray);
      animation: rotateRing 20s linear infinite;
    }

    /* الدوائر في أسفل اليمين */
    .solid-circle-bottom {
      position: absolute;
      bottom: -120px;
      right: -80px;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      border: 5px solid var(--light-gray);
      z-index: 0;
    }

    .solid-circle-bottom::before {
      content: '';
      position: absolute;
      top: 50px;
      left: 50px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: linear-gradient(to right, var(--primary-dark), var(--primary-color));
      opacity: 0.4;
    }

    /* خطوط وزخارف صغيرة */
    .hero::before {
      content: '+';
      position: absolute;
      top: 20%;
      left: 25%;
      color: var(--light-gray);
      font-size: 28px;
    }

    .hero::after {
      content: '▲';
      position: absolute;
      bottom: 10%;
      left: 5%;
      color: var(--light-gray);
      font-size: 28px;
    }

    /* Decorations */
    .tech-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(var(--grid-gray) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-gray) 1px, transparent 1px);
      background-size: clamp(40px, 10vw, 80px) clamp(40px, 10vw, 80px);
      z-index: 0;
      opacity: 0.3;
    }

    .hero-glow {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 40% 70%,
          var(--rings-1),
          transparent 40%);
      animation: glow 8s ease-in-out infinite;
      z-index: 0;
    }

    /* الخط المائل المضيء */
    .glowing-line {
      position: absolute;
      bottom: 60px;
      left: 38%;
      width: 160px;
      height: 10px;
      background: var(--glowing-line);
      transform: rotate(-45deg);
      border-radius: 10px;
    }

    .ui-symbol {
      position: absolute;
      font-size: 22px;
      color: rgba(255, 255, 255, 0.35);
      z-index: 1;
      animation: float 6s ease-in-out infinite;
    }

    .ui-symbol.plus {
      top: 20%;
      left: 15%;
    }

    .ui-symbol.circle {
      bottom: 25%;
      left: 8%;
      font-size: 26px;
    }

    .ui-symbol.triangle {
      top: 30%;
      right: 20%;
      font-size: 18px;
    }

    .floating-dot {
      position: absolute;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary-pink);
      opacity: 0.7;
      animation: float 4s ease-in-out infinite alternate;
    }

    .dot-1 {
      top: 60%;
      left: 40%;
    }

    .dot-2 {
      top: 35%;
      right: 35%;
      background: var(--primary-color);
    }

    .particle {
      position: absolute;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary-color);
      opacity: 0.7;
      animation: particle 5s ease-in-out infinite;
    }

    .p1 {
      top: 20%;
      left: 50%;
    }

    .p2 {
      top: 65%;
      left: 30%;
      background: var(--primary-pink);
    }

    .p3 {
      top: 40%;
      right: 5%;
      background: var(--primary-pink);
    }

    .neon-line {
      position: absolute;
      width: 140px;
      height: 6px;
      border-radius: 10px;
      opacity: 0.6;
      z-index: 1;
    }

    .neon-line-1 {
      bottom: 80px;
      left: 36%;
      background: linear-gradient(90deg, var(--primary-dark), var(--primary-color));
      transform: rotate(-45deg);
    }

    .neon-line-2 {
      top: 140px;
      right: 5%;
      background: linear-gradient(90deg, var(--neon-color), var(--primary-color));
      transform: rotate(45deg);
    }