:root {
      --bg-main:      #fafcff;
      --bg-section:   #ffffff;
      --surface:      #f5faff;
      --primary:      #0ea5e9;        /* fresh sky blue – modern & clean */
      --primary-dark: #0284c7;
      --primary-glow: rgba(14,165,233,0.12);
      --text-dark:    #0f172a;
      --text-mid:     #1e293b;
      --text-light:   #64748b;
      --border:       #e0f2fe;
      --radius-lg:    16px;
      --radius-md:    12px;
      --shadow-soft:  0 6px 20px -4px rgba(14,165,233,0.09), 0 4px 6px -4px rgba(0,0,0,0.03);
      --shadow-hover: 0 20px 40px -12px rgba(14,165,233,0.20), 0 8px 16px -8px rgba(0,0,0,0.05);
      --transition:   all 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

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

    body {
      font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
      background: var(--bg-main);
      color: var(--text-mid);
      line-height: 1.72;
    }

    .container {
      width: 90%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1.6rem;
    }

    header {
      position: fixed;
      inset: 0 0 auto 0;
      z-index: 1000;
      background: rgba(255,255,255,0.94);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
    }

    nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 82px;
    }

    .logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
  .logo-wrap a{text-decoration: none;}
    .logo-icon {
      font-size: 2.1rem;
      color: var(--primary);
    }

    .logo-text {
      font-size: 2.05rem;
      font-weight: 800;
      letter-spacing: -0.8px;
      color: var(--text-dark);
    }

    .nav-list {
      display: flex;
      gap: 2.8rem;
      list-style: none;
    }

    .nav-list a {
      color: var(--text-mid);
      text-decoration: none;
      font-weight: 600;
      font-size: 1.05rem;
      transition: var(--transition);
      position: relative;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-list a::before {
      content: '';
      position: absolute;
      width: 0;
      height: 3px;
      bottom: -8px;
      left: 50%;
      background: var(--primary);
      transition: width 0.38s ease, left 0.38s ease;
      border-radius: 3px;
    }

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

    .nav-list a:hover::before,
    .nav-list a.active::before {
      width: 100%;
      left: 0;
    }

    .menu-btn {
      display: none;
      background: none;
      border: none;
      color: var(--primary);
      font-size: 1.9rem;
      cursor: pointer;
    }

    @media (max-width: 880px) {
      .menu-btn { display: block; }
      .nav-list {
        position: fixed;
        inset: 82px 0 auto 0;
        background: white;
        flex-direction: column;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.45s cubic-bezier(0.32,0.72,0,0.99);
      }
      .nav-list.active {
        transform: translateX(0);
      }
      .nav-list a {
        font-size: 1.28rem;
        padding: 1.3rem 2.8rem;
        border-bottom: 1px solid var(--border);
      }
      .nav-list a:last-child { border-bottom: none; }
    }

    .hero {
      min-height: 94vh;
      display: flex;
      align-items: center;
      padding-top: 82px;
    background: url(../img/background/banner.jpg) center / cover;
    display: flex
;
    align-items: center;
    justify-content: center;
    background-color: #767676f0;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
    display: flex
;
    align-items: center;
    background-position: center;
    }

    .hero-content {
      text-align: end;
    }

    .hero h1 {
      font-size: 70px;
      font-weight: 800;
      line-height: 1.04;
      margin-bottom: 1.5rem;
      color: #fff;
    }

    .hero p {
      font-size: 1.42rem;
      color: #fff;
      margin-bottom: 2.6rem;
    }

    .hero-cta {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 1.15rem 2.7rem;
      background: var(--primary);
      color: white;
      font-weight: 700;
      text-decoration: none;
      border-radius: 12px;
      font-size: 1.18rem;
      transition: var(--transition);
      box-shadow: 0 8px 24px rgba(14,165,233,0.24);
    }

    .hero-cta:hover {
      background: var(--primary-dark);
      transform: translateY(-4px);
      box-shadow: 0 16px 36px rgba(14,165,233,0.32);
    }

    section {
       padding: 60px 0 60px;
    }

    h2 {
      font-size: 3.1rem;
      font-weight: 800;
      text-align: center;
      margin-bottom: 3.5rem!important;
      color: var(--text-dark);
      position: relative;
    }

    h2::after {
      content: '';
      width: 100px;
      height: 5px;
      background: var(--primary);
      position: absolute;
      bottom: -18px;
      left: 50%;
      transform: translateX(-50%);
      border-radius: 4px;
    }

    #about .about-layout {
     text-align: center;
    }

    .about-text h3 {
      font-size: 2.35rem;
      font-weight: 800;
      margin-bottom: 1.6rem;
      color: var(--text-dark);
    }

    .about-text p {
        font-size: 16px;
      color: var(--text-light);
      margin-bottom: 1rem;
    }
p{    font-size: 16px;
    color: var(--text-light);}
    .about-visual {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-hover);
    }

    .about-visual img {
      width: 100%;
      display: block;
      transition: transform 0.7s ease;
    }

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

    .why-layout {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
      gap: 2.6rem;
    }

    .why-item {
      background: white;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
    padding: 2.8rem 1.5rem;
      text-align: center;
      transition: var(--transition);
      box-shadow: var(--shadow-soft);
    }

    .why-item:hover {
      transform: translateY(-12px);
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
    }

    .why-icon {
      font-size: 30px;
      color: var(--primary);
      margin-bottom: 1rem;
    }

    .why-item h3 {
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 1rem;
    }

    .services-layout {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
      gap: 2.6rem;
    }

    .service-card {
      background: white;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
      box-shadow: var(--shadow-soft);
    }

    .service-card:hover {
      transform: translateY(-12px);
      box-shadow: var(--shadow-hover);
    }

    .service-image {
      height: 230px;
      background-size: cover;
      background-position: center;
      transition: transform 0.65s ease;
    }

    .service-card:hover .service-image {
      transform: scale(1.07);
    }

    .service-body {
      padding: 2.2rem 2.4rem;
    }

    .service-body h3 {
    font-size: 22px;
    font-weight: 400;
      margin-bottom: 1rem;
    }

    /* ─── CHANGED CONTACT SECTION ─── */
    #contact {
      background: var(--bg-section);
      padding: 110px 0 90px;
    }

    #contact .contact-layout {
      display: grid;
      grid-template-columns: 1fr;
      gap: 3.5rem;
      max-width: 720px;
      margin: 0 auto;
    }

    #contact h3 {
      font-size: 1.95rem;
      font-weight: 800;
      margin-bottom: 1.6rem;
      text-align: center;
    }

    #contact p.intro {
      text-align: center;
      font-size: 1.16rem;
      color: var(--text-light);
      margin-bottom: 2.8rem;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 1.4rem;
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      padding: 1.2rem 1.7rem;
      border: 1px solid var(--border);
      border-radius: 12px;
      font-size: 1.08rem;
      background: white;
      transition: var(--transition);
    }

    .form-group input:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 4px var(--primary-glow);
    }

    .form-group textarea {
      min-height: 80px;
      resize: vertical;
    }

    .submit-button {
      padding: 1.2rem 2.6rem;
      background: var(--primary);
      color: white;
      border: none;
      border-radius: 12px;
      font-weight: 700;
      font-size: 1.16rem;
      cursor: pointer;
      transition: var(--transition);
      align-self: center;
    }

    .submit-button:hover {
      background: var(--primary-dark);
      transform: translateY(-3px);
    }

    /* ─── CHANGED FOOTER ─── more compact */
    footer {
      background: var(--surface);
      padding: 4rem 0 2.5rem;
      border-top: 1px solid var(--border);
    }
    footer ul{padding-left: 0px; text-align: center;}
footer li{margin-bottom: 15px;}
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 2.5rem;
      margin-bottom: 2.5rem;
    }
   .footer-grid a{    color: #0f172a;
    font-weight: 500;
    text-decoration: none;}
    .footer-logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 0.8rem;
    }

    .footer-logo-icon {
      font-size: 1.9rem;
      color: var(--primary);
    }

    .footer-logo-text {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-dark);
    }

    .footer-nav ul {
      list-style: none;
    }

    .footer-nav a {
      color: var(--text-light);
      text-decoration: none;
      line-height: 2.1;
      display: block;
      transition: color 0.25s;
    }

    .footer-nav a:hover {
      color: var(--primary);
    }

    .footer-social {
      display: flex;
      gap: 1.4rem;
    }

    .footer-social a {
      color: var(--text-light);
      font-size: 1.7rem;
      transition: var(--transition);
    }

    .footer-social a:hover {
      color: var(--primary);
      transform: translateY(-2px);
    }

    .copyright {
      text-align: center;
      color: var(--text-light);
      font-size: 0.94rem;
      margin-top: 1.5rem;
    }

    @media (max-width: 1024px) {
      #about .about-layout {
        grid-template-columns: 1fr;
        gap: 5rem;
      }
    }

    @media (max-width: 640px) {
      .hero h1 { font-size: 3rem; }
      h2   { font-size: 2.5rem; }
    }

    #scrollTopBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}