:root {
      --primary: #6a5acd;
      --secondary: #9370db;
      --accent: #ff8c66;
      --dark: #343a40;
      --light: #f9f9fb;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: "Tajawal", sans-serif;
    }

    body {
      background: var(--light);
      color: var(--dark);
      line-height: 1.9;
      overflow-x: hidden;
    }

    /*---------------------------*/
    /* الشريط العلوي الثابت      */
    /*---------------------------*/
    .top-bar {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      text-align: center;
      padding: 0.5rem 1rem;
      font-size: 0.9rem;
    }

    /*---------------------------*/
    /* القائمة الرئيسية           */
    /*---------------------------*/
    nav {
      background: #fff;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
      position: sticky;
      top: 0;
      z-index: 1000;
      transition: transform 0.4s ease;
    }
    nav.hide {
      transform: translateY(-100%);
    }

    .nav-container {
      max-width: 1400px;
      margin: auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.8rem 5%;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 0.7rem;
    }
    .logo img {
      width: 55px;
      height: 55px;
      border-radius: 50%;
      object-fit: cover;
      border: 3px solid var(--accent);
    }
    .logo-text h1 {
      font-size: 1.4rem;
      color: var(--primary);
      font-weight: 900;
    }
    .logo-text span {
      display: block;
      font-size: 0.8rem;
      color: var(--dark);
      font-weight: 500;
    }
    .nav-links {
      list-style: none;
      display: flex;
      gap: 1.4rem;
    }
    .nav-links a {
      position: relative;
      text-decoration: none;
      color: var(--dark);
      font-weight: 600;
      padding: 0.3rem 0;
      transition: color 0.3s ease;
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .nav-links a::after {
      content: "";
      position: absolute;
      height: 2px;
      width: 0;
      background: var(--primary);
      bottom: -4px;
      left: 0;
      transition: width 0.3s ease;
    }
    .nav-links a:hover::after {
      width: 100%;
    }
    .mobile-menu {
      display: none;
      font-size: 1.6rem;
      color: var(--primary);
      cursor: pointer;
    }

    /*---------------------------*/
    /* قسم البطل (Hero)           */
    /*---------------------------*/
    .hero {
      position: relative;
      background: linear-gradient(rgba(106, 90, 205, 0.75), rgba(147, 112, 219, 0.75)),
        url("../images/hala-taha-cover1.jpg") center/cover no-repeat;
      color: #fff;
      padding: 6rem 5% 7rem;
      text-align: center;
    }
    .hero .circle {
      position: absolute;
      bottom: -40px;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 80px;
      background: var(--accent);
      border-radius: 50%;
      filter: blur(60px);
      z-index: -1;
      animation: pulse 4s infinite;
    }
    .hero h2 {
      font-size: clamp(1.8rem, 5vw, 3rem);
      margin-bottom: 1rem;
      animation: fadeDown 1.2s ease forwards;
    }
    .hero p {
      font-size: 1.1rem;
      margin-bottom: 2rem;
      max-width: 700px;
      margin-inline: auto;
      animation: fadeDown 1.4s ease forwards;
    }
    .btn-primary {
      background: var(--accent);
      color: #fff;
      padding: 0.9rem 2.2rem;
      border-radius: 50px;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
      transition: transform 0.3s, background 0.3s;
    }
    .btn-primary:hover {
      transform: translateY(-4px);
      background: #ff7b50;
    }

    /*---------------------------*/
    /* الأقسام العامة             */
    /*---------------------------*/
    section {
      padding: 3rem 5%;
      max-width: 1400px;
      margin: auto;
    }
    .section-title {
      text-align: center;
      margin-bottom: 3rem;
      position: relative;
    }
    .section-title h2 {
      display: inline-block;
      font-size: 2.2rem;
      color: var(--primary);
      padding-bottom: 0.4rem;
    }
    .section-title h2::after {
      content: "";
      position: absolute;
      width: 60px;
      height: 3px;
      background: var(--accent);
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
    }

    /*---------------------------*/
    /* شبكة التخصصات              */
    /*---------------------------*/
    .specialties-grid {
      display: grid;
      gap: 2rem;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }
    .spec-card {
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      position: relative;
      transition: transform 0.4s ease, box-shadow 0.4s ease;
    }
    .spec-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 25px rgba(0, 0, 0, 0.15);
    }
    .spec-icon {
      height: 90px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      color: #fff;
    }
    .spec-content {
      padding: 1.4rem 1.5rem 2.2rem;
    }
    .spec-content h3 {
      margin-bottom: 0.6rem;
      color: var(--primary);
      font-size: 1.2rem;
    }

    /*---------------------------*/
    /* قسم عن الدكتورة            */
    /*---------------------------*/
    .about-container {
      display: flex;
      gap: 3rem;
      align-items: center;
      flex-wrap: wrap;
    }
    .about-img {
      flex: 1 1 350px;
      position: relative;
      border-radius: 15px;
      overflow: hidden;
    }
    .about-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .about-img:hover img {
      transform: scale(1.06);
    }
    .about-content {
      flex: 1 1 350px;
    }
    .stats {
      display: flex;
      gap: 2rem;
      flex-wrap: wrap;
      margin-top: 1.5rem;
    }
    .stat {
      text-align: center;
      flex: 1 1 120px;
    }
    .stat h4 {
      font-size: 2rem;
      color: var(--primary);
    }
    .stat span {
      font-size: 0.9rem;
      color: #777;
    }

    /*---------------------------*/
    /* قسم الشهادات (التقييمات)    */
    /*---------------------------*/
    .testimonials {
      background: var(--light);
    }
    .testimonial-grid {
      display: grid;
      gap: 2rem;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    .testimonial {
      background: #fff;
      border-radius: 12px;
      padding: 2rem 1.5rem;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
      position: relative;
    }
    .testimonial p {
      font-style: italic;
      margin-bottom: 1rem;
    }
    .testimonial h4 {
      color: var(--primary);
      font-weight: 700;
      font-size: 1.1rem;
    }
    .testimonial::before {
      content: "\f10e";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      top: -15px;
      right: 20px;
      font-size: 2rem;
      color: var(--accent);
      opacity: 0.2;
    }

    /*---------------------------*/
    /* قسم التواصل                */
    /*---------------------------*/
    .contact {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      background: linear-gradient(rgba(106, 90, 205, 0.75), rgba(147, 112, 219, 0.75)),
        url("../images/bg.jpg") center/cover no-repeat;
      color: #fff;
    }
    .contact-grid {
      display: grid;
      gap: 3rem;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    .contact-item {
      display: flex;
      gap: 0.8rem;
      align-items: flex-start;
    }
    .contact-item i {
      font-size: 1.2rem;
      color: var(--accent);
      margin-top: 4px;
    }
    .contact-form {
      background: #fff;
      padding: 2rem;
      border-radius: 12px;
      color: var(--dark);
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    }
    .contact-form label {
      font-weight: 600;
    }
    .contact-form input,
    .contact-form textarea {
      width: 100%;
      padding: 0.8rem;
      border-radius: 6px;
      border: 1px solid #ddd;
      margin-bottom: 1.2rem;
      font-family: inherit;
      font-size: 1rem;
      transition: border-color 0.3s ease;
    }
    .contact-form input:focus,
    .contact-form textarea:focus {
      border-color: var(--primary);
      outline: none;
    }
    .contact-form button {
      background: var(--accent);
      border: none;
      padding: 0.9rem 2rem;
      border-radius: 50px;
      color: #fff;
      font-weight: bold;
      cursor: pointer;
      transition: background 0.3s ease, transform 0.3s;
    }
    .contact-form button:hover {
      transform: translateY(-4px);
      background: #ff7b50;
    }

    /*---------------------------*/
    /* الفوتر                     */
    /*---------------------------*/
    footer {
      background: var(--dark);
      color: #fff;
      text-align: center;
      padding: 2rem 1rem 1rem;
      font-size: 0.85rem;
    }

    /*---------------------------*/
    /* الرسوم المتحركة الأساسيّة   */
    /*---------------------------*/
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    @keyframes fadeDown {
      from {
        opacity: 0;
        transform: translateY(-40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    @keyframes pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.15); }
    }

    .reveal {
      opacity: 0;
      transform: translateY(40px);
    }
    .reveal.show {
      animation: fadeUp 0.9s forwards;
    }

    /*---------------------------*/
    /* استجابات الشاشات الصغيرة    */
    /*---------------------------*/
    @media (max-width: 992px) {
      .nav-links {
        position: fixed;
        inset-inline-start: 0;
        top: 0;
        height: 100vh;
        width: 260px;
        background: #fff;
        flex-direction: column;
        padding-top: 5rem;
        transform: translateX(-100%);
        display: none;
        transition: transform 0.4s ease;
        box-shadow: 4px 0 15px rgba(0, 0, 0, 0.1);
      }
      .nav-links.open {
        display: flex;
        transform: translateX(0);
      }
      .nav-links li {
        margin: 1rem 0;
        text-align: center;
      }
      .mobile-menu { display: block; }
    }

    @media (max-width: 600px) {
      .stats { flex-direction: column; align-items: center; }
      .stat { flex: none; }
    }