* {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: Arial, sans-serif;
    margin: 0;
    background:
      radial-gradient(circle at top left, rgba(255, 122, 89, 0.10), transparent 30%),
      radial-gradient(circle at top right, rgba(124, 92, 255, 0.10), transparent 26%),
      #f7f7fb;
    color: #111;
    line-height: 1.6;
  }
  
  img {
    display: block;
    max-width: 100%;
  }
  
  section {
    padding: 90px 20px;
  }
  
  .container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
  }
  
  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  }
  
  .header-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }
  
  .logo {
    height: 50px;
    width: auto;
  }
  
  .nav {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
  }
  
  .nav a {
    text-decoration: none;
    color: #111;
    font-weight: 700;
    padding: 8px 12px;
    border-radius: 999px;
    transition: background 0.2s ease, opacity 0.2s ease;
  }
  
  .nav a:hover {
    background: rgba(0, 0, 0, 0.05);
  }
  
  /* Headings */
  .section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin: 0 0 36px;
    line-height: 1.1;
    letter-spacing: -0.03em;
  }
  
  .section-heading {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 48px;
  }
  
  .section-heading .section-title {
    margin-bottom: 12px;
  }
  
  .section-heading p {
    margin: 0;
    color: #5f6470;
    font-size: 1.05rem;
  }
  
  /* Buttons */
  .btn {
    display: inline-block;
    padding: 14px 24px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .btn:hover {
    transform: translateY(-2px);
  }
  
  .primary {
    background: linear-gradient(45deg, #ff7a59, #7c5cff);
    color: white;
    box-shadow: 0 14px 30px rgba(124, 92, 255, 0.22);
  }
  
  .secondary {
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: #111;
    background: rgba(255, 255, 255, 0.72);
  }
  
  /* Hero */
  .hero {
    text-align: center;
    padding: 110px 20px 90px;
  }
  
  .hero h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 0.95;
    letter-spacing: -0.05em;
    margin: 0 0 22px;
  }
  
  .hero p {
    max-width: 760px;
    margin: 0 auto 30px;
    font-size: 1.12rem;
    color: #5f6470;
  }
  
  .gradient-text {
    background: linear-gradient(45deg, #ff7a59, #7c5cff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  
  .hero-buttons {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
  }
  
  /* Services */
  #services {
    padding-top: 40px;
  }
  
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  
  .service-card {
    background: rgba(255, 255, 255, 0.9);
    padding: 28px;
    border-radius: 20px;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
  }
  
  .service-card h3 {
    margin: 0 0 12px;
    font-size: 1.3rem;
  }
  
  .service-card p {
    margin: 0 0 16px;
    color: #5f6470;
  }
  
  .service-card ul {
    margin: 0;
    padding-left: 20px;
  }
  
  .service-card li {
    margin-bottom: 10px;
  }
  
  /* Portfolio */
  #portfolio {
    padding-top: 70px;
  }
  
  .carousel {
    overflow: hidden;
    width: 100%;
    position: relative;
  }
  
  .carousel::before,
  .carousel::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 60px;
    z-index: 2;
    pointer-events: none;
  }
  
  .carousel::before {
    left: 0;
    background: linear-gradient(to right, #f7f7fb, transparent);
  }
  
  .carousel::after {
    right: 0;
    background: linear-gradient(to left, #f7f7fb, transparent);
  }
  
  .carousel-track {
    display: flex;
    align-items: center;
    gap: 20px;
    width: max-content;
    animation: scroll 30s linear infinite;
  }
  
  .carousel-track img {
    height: 150px;
    width: auto;
    border-radius: 16px;
    flex-shrink: 0;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.10);
  }
  
  .carousel:hover .carousel-track {
    animation-play-state: paused;
  }
  
  @keyframes scroll {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(calc(-50% - 10px));
    }
  }
  
  /* Testimonials */
  #testimonials {
    background: rgba(255, 255, 255, 0.55);
  }
  
  .testimonials-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    align-items: start;
  }
  
  .testimonial-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  
  .testimonial-card {
    background: white;
    padding: 24px;
    border-radius: 20px;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
  }
  
  .testimonial-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
  }
  
  .testimonial-img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 12px;
    flex-shrink: 0;
  }
  
  .name {
    font-weight: 700;
    margin: 0 0 2px;
  }
  
  .role {
    margin: 0;
    color: #6b7280;
    font-size: 0.95rem;
  }
  
  .quote {
    margin: 0;
    color: #20232b;
  }
  
  .testimonial-video {
    background: white;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
  }
  
  .video-label {
    margin: 0 0 14px;
    font-weight: 700;
  }
  
  .video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 14px;
  }
  
  .video-wrapper.small {
    padding-bottom: 56.25%;
  }
  
  .video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
  }
  
  /* CTA */
  .cta {
    text-align: center;
  }
  
  .cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin: 0 0 12px;
    line-height: 1.08;
  }
  
  .cta p {
    max-width: 680px;
    margin: 0 auto 24px;
    color: #5f6470;
  }
  
  /* Responsive */
  @media (max-width: 900px) {
    .services-grid {
      grid-template-columns: 1fr;
    }
  
    .testimonials-layout {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 768px) {
    section {
      padding: 75px 18px;
    }
  
    .header-inner {
      flex-direction: column;
      align-items: flex-start;
      padding: 12px 0;
    }
  
    .nav {
      gap: 10px;
    }
  
    .hero {
      padding: 88px 18px 72px;
    }
  
    .carousel-track img {
      height: 110px;
    }
  
    .carousel-track {
      gap: 14px;
      animation-duration: 24s;
    }
  }