 :root {
        --primary: #6366f1; /* Indigo */
        --accent: #62009b; /* Emerald */
        --dark: #020617;
        --light: #f8fafc;
        --gray: #64748b;
      }

      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      body {
        font-family: Poppins, sans-serif;
        background: #fff;
        color: #020617;
        line-height: 1.6;
      }

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

      /* ================= HEADER ================= */
      header {
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
      }

      .nav {
        max-width: 1200px;
        margin: auto;
        padding: 1rem 1.5rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
      }

      .logo {
        font-size: 1.6rem;
        font-weight: 700;
        color: var(--primary);
      }

      .menu {
        display: flex;
        gap: 2rem;
        align-items: center;
      }

      .menu a {
        font-weight: 500;
      }

      .hamburger {
        display: none;
        font-size: 1.6rem;
        cursor: pointer;
      }

      .btn {
        background: var(--primary);
        color: #fff;
        padding: 0.75rem 1.6rem;
        border-radius: 999px;
        display: inline-block;
        transition: 0.3s;
      }

      .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(99, 102, 241, 0.4);
      }

      /* ================= HERO ================= */
      .hero {
        min-height: 70vh;
        background: linear-gradient(120deg, #020617, #0f172a);
        color: #fff;
        display: flex;
        align-items: center;
        padding: 6rem 1.5rem 4rem;
      }

      .hero-wrap {
        max-width: 1200px;
        margin: auto;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: center;
      }

      .hero h1 {
        font-size: 2.4rem;
        line-height: 1.2;
        margin: 0.8rem 0;
      }

      .hero p {
        color: #cbd5f5;
        max-width: 420px;
        margin-bottom: 1.5rem;
      }

      .hero-cta {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
      }

      .hero-icons {
        display: flex;
        gap: 1.2rem;
        flex-wrap: wrap;
        margin-top: 1rem;
        font-size: 0.95rem;
      }

      .hero-icons i {
        color: var(--accent);
        margin-right: 6px;
      }

      .glass {
        background: rgba(255, 255, 255, 0.08);
        padding: 1.8rem;
        border-radius: 24px;
        backdrop-filter: blur(14px);
        box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
      }

      /* ================= SECTIONS ================= */
      section {
        padding: 5rem 1.5rem;
      }

      .title {
        text-align: center;
        margin-bottom: 3rem;
      }

      .title h2 {
        font-size: 2.3rem;
      }

      .title p {
        color: var(--gray);
        max-width: 600px;
        margin: auto;
      }

      .grid {
        max-width: 1200px;
        margin: auto;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 2rem;
      }

      .card {
        background: #fff;
        padding: 2.2rem;
        border-radius: 22px;
        text-align: center;
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.08);
        transition: 0.3s;
      }

      .card i {
        font-size: 2.1rem;
        color: var(--primary);
        margin-bottom: 1rem;
      }

      .card:hover {
        transform: translateY(-10px);
      }

      /* ================= ABOUT ================= */
      .about {
        background: var(--light);
      }

      .about-wrap {
        max-width: 1200px;
        margin: auto;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: center;
      }

      .about-box {
        background: #fff;
        padding: 2.5rem;
        border-radius: 24px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
      }

      /* ================= TESTIMONIALS ================= */
      .testimonials {
        background: #f1f5f9;
      }

      .testimonial-wrapper {
        max-width: 1100px;
        margin: auto;
        overflow: hidden;
      }

      .testimonial-track {
        display: flex;
        gap: 2rem;
        transition: transform 0.6s ease;
      }

      .testimonial-card {
        flex: 0 0 100%;
        max-width: 100%;
        background: #fff;
        padding: 2.8rem;
        border-radius: 28px;
        text-align: center;
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.08);
      }

      .testimonial-card img {
        width: 72px;
        height: 72px;
        border-radius: 50%;
        margin-bottom: 1rem;
      }

      .testimonial-card p {
        font-size: 1.05rem;
        font-style: italic;
        color: #334155;
        margin-bottom: 1rem;
      }

      .testimonial-card h4 {
        font-weight: 600;
      }

      .testimonial-card span {
        font-size: 0.85rem;
        color: #64748b;
      }

      @media (min-width: 768px) {
        .testimonial-card {
          flex: 0 0 50%;
        }
      }

      @media (min-width: 1024px) {
        .testimonial-card {
          flex: 0 0 33.333%;
        }
      }

      /* ================= CTA ================= */
      .cta {
        max-width: 1200px;
        margin: auto;
        background: linear-gradient(135deg, var(--primary), #4f46e5);
        color: #fff;
        border-radius: 40px;
        padding: 4.5rem 1.5rem;
        text-align: center;
      }

      .cta p {
        color: #e0e7ff;
        margin: 1rem auto 2rem;
        max-width: 520px;
      }

      /* ================= FOOTER ================= */
      footer {
        background: #020617;
        color: #94a3b8;
        padding: 3rem 1.5rem;
        margin-top: 4rem;
      }

      .footer {
        max-width: 1200px;
        margin: auto;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 2rem;
      }

      footer h3 {
        color: #fff;
        margin-bottom: 1rem;
      }

      /* ================= RESPONSIVE ================= */
      @media (max-width: 900px) {
        .hero-wrap,
        .about-wrap {
          grid-template-columns: 1fr;
          text-align: center;
        }

        .hero-cta {
          justify-content: center;
        }

        .hero-icons {
          justify-content: center;
        }

        .menu {
          position: absolute;
          top: 70px;
          right: 20px;
          background: #fff;
          flex-direction: column;
          gap: 1.2rem;
          padding: 1.5rem;
          border-radius: 20px;
          display: none;
          box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .menu.active {
          display: flex;
        }

        .hamburger {
          display: block;
        }
      }