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

    body {
      font-family: 'Inter', sans-serif;
      background: #052f2b;
      color: #F5F5F5;
      scroll-behavior: smooth;
    }

    .container {
      width: 92%;
      max-width: 1280px;
      margin: 0 auto;
    }

    /* ----- TOP BAR (fully responsive) ----- */
    .top-bar {
      background: #0b3d36;
      padding: 10px 0;
      font-size: 13px;
      border-bottom: 1px solid #1f6e64;
    }

    .top-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .top-left {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      align-items: center;
    }

    .top-left span i {
      margin-right: 6px;
      color: #ffb347;
    }

    .top-right {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .top-right a {
      color: white;
      text-decoration: none;
      font-size: 13px;
      transition: 0.2s;
    }

    .top-right a:hover {
      color: #ffb347;
    }

    .btn-small {
      background: #ff9800;
      padding: 5px 14px;
      border-radius: 30px;
      font-weight: 500;
      font-size: 12px;
      transition: 0.2s;
    }

    .btn-small:hover {
      background: #e68900;
      color: white;
    }

    .social-icons i {
      font-size: 15px;
      margin-left: 6px;
    }

    /* ----- MAIN NAVBAR ----- */
    header {
      background: #042622;
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    }

    .navbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 14px 0;
      flex-wrap: wrap;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .logo-img {
      width: 52px;
      height: 52px;
      background: #ff9800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      font-weight: bold;
      color: #042622;
    }

    .logo h2 {
      font-size: 1.5rem;
      font-weight: 600;
      letter-spacing: -0.3px;
    }

    .logo span {
      font-weight: 400;
      font-size: 0.8rem;
      display: block;
      color: #ffb347;
    }

    nav ul {
      display: flex;
      list-style: none;
      gap: 28px;
      align-items: center;
    }

    nav ul li {
      position: relative;
    }

    nav ul li a {
      color: white;
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      transition: 0.2s;
      display: inline-block;
    }

    nav ul li a:hover,
    nav ul li:hover > a {
      color: #ff9800;
    }

    /* dropdown submenu */
    .submenu {
      position: absolute;
      top: 32px;
      left: 0;
      background: #0a3e38;
      width: 190px;
      display: none;
      flex-direction: column;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
      z-index: 200;
    }

    .submenu a {
      padding: 12px 18px;
      font-size: 0.85rem;
      border-bottom: 1px solid #1f6e64;
    }

    .submenu a:last-child {
      border-bottom: none;
    }

    nav ul li:hover .submenu {
      display: flex;
    }

    .donate-btn {
      background: #ff9800;
      padding: 12px 28px;
      border-radius: 40px;
      font-weight: 700;
      transition: 0.2s;
      box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3);
    }

    .donate-btn:hover {
      background: #e68900;
      transform: scale(1.02);
    }

    /* Mobile menu */
    .menu-toggle {
      display: none;
      font-size: 32px;
      cursor: pointer;
      color: #ff9800;
    }

    @media (max-width: 950px) {
      nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #042622;
        padding: 20px 0;
        border-top: 1px solid #1f6e64;
        box-shadow: 0 20px 30px rgba(0,0,0,0.2);
        z-index: 999;
      }
      nav ul {
        flex-direction: column;
        gap: 18px;
      }
      nav.active {
        display: block;
      }
      .menu-toggle {
        display: block;
      }
      .donate-btn {
        display: none;
      }
      .top-left, .top-right {
        justify-content: center;
        width: 100%;
        text-align: center;
      }
      .top-flex {
        flex-direction: column;
      }
    }

    /* ----- HERO SLIDER (full responsive) ----- */
    .hero-slider {
      position: relative;
      width: 100%;
      height: 85vh;
      min-height: 480px;
      overflow: hidden;
    }

    .slides {
      width: 100%;
      height: 100%;
      position: relative;
    }

    .slide {
      position: absolute;
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      opacity: 0;
      transition: opacity 1s ease-in-out;
      display: flex;
      align-items: center;
    }

    .slide.active {
      opacity: 1;
      z-index: 2;
    }

    .slide-content {
      max-width: 650px;
      padding: 2rem;
      background: rgba(0, 0, 0, 0.55);
      backdrop-filter: blur(3px);
      border-radius: 28px;
      margin-left: 8%;
      animation: fadeUp 0.8s ease;
    }

    .slide-content h1 {
      font-size: clamp(2rem, 7vw, 3.8rem);
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 1rem;
    }

    .slide-content p {
      font-size: 1.1rem;
      margin-bottom: 1.8rem;
      opacity: 0.9;
    }

    .btn-primary {
      background: #ff9800;
      padding: 12px 32px;
      border-radius: 40px;
      font-weight: 600;
      display: inline-block;
      text-decoration: none;
      color: white;
      transition: 0.2s;
      font-size: 1rem;
    }

    .btn-primary i {
      margin-right: 8px;
    }

    .btn-primary:hover {
      background: #e68900;
      transform: translateY(-3px);
    }

    /* slider controls */
    .slider-btn {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      background: rgba(0,0,0,0.5);
      color: white;
      border: none;
      font-size: 2rem;
      padding: 12px 18px;
      cursor: pointer;
      border-radius: 50%;
      z-index: 10;
      transition: 0.2s;
      backdrop-filter: blur(4px);
    }

    .slider-btn:hover {
      background: #ff9800;
    }

    .prev {
      left: 20px;
    }

    .next {
      right: 20px;
    }

    .dots {
      position: absolute;
      bottom: 25px;
      left: 0;
      right: 0;
      text-align: center;
      z-index: 10;
    }

    .dot {
      display: inline-block;
      width: 12px;
      height: 12px;
      margin: 0 6px;
      background-color: rgba(255,255,255,0.5);
      border-radius: 50%;
      cursor: pointer;
      transition: 0.2s;
    }

    .dot.active {
      background-color: #ff9800;
      transform: scale(1.2);
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* ----- Sections general ----- */
    section {
      padding: 70px 0;
    }

    .section-title {
      text-align: center;
      font-size: 2.2rem;
      font-weight: 700;
      margin-bottom: 45px;
      position: relative;
    }

    .section-title:after {
      content: '';
      width: 80px;
      height: 4px;
      background: #ff9800;
      display: block;
      margin: 12px auto 0;
      border-radius: 5px;
    }

    /* About grid */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 45px;
      align-items: center;
    }

    .about-img img {
      width: 100%;
      border-radius: 28px;
      box-shadow: 0 20px 30px rgba(0,0,0,0.3);
    }

    .about-text h3 {
      font-size: 2rem;
      margin-bottom: 20px;
    }

    .about-text p {
      line-height: 1.6;
      margin-bottom: 25px;
      color: #e0e0e0;
    }

    /* programs cards */
    .programs-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 30px;
    }

    .prog-card {
      background: #0a3e38;
      padding: 32px 20px;
      border-radius: 24px;
      text-align: center;
      transition: all 0.3s;
      box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    }

    .prog-card i {
      font-size: 48px;
      color: #ff9800;
      margin-bottom: 18px;
    }

    .prog-card h4 {
      font-size: 1.5rem;
      margin-bottom: 12px;
    }

    .prog-card:hover {
      transform: translateY(-8px);
      background: #11554d;
    }

    /* team grid */
    .team-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
      gap: 35px;
    }

    .team-card {
      text-align: center;
      background: #0b3d36;
      padding: 25px 15px;
      border-radius: 30px;
      transition: 0.2s;
    }

    .team-card img {
      width: 130px;
      height: 130px;
      border-radius: 50%;
      object-fit: cover;
      border: 4px solid #ff9800;
      margin-bottom: 18px;
    }

    /* volunteer CTA */
    .volunteer-cta {
      background: linear-gradient(135deg, #021f1c, #06312c);
      text-align: center;
      border-radius: 40px;
      margin: 20px auto;
      padding: 60px 20px;
    }

    .volunteer-cta h2 {
      font-size: 2rem;
    }

    /* blog section */
    .blog-grid {
      display: flex;
      justify-content: center;
      gap: 30px;
      flex-wrap: wrap;
    }

    .blog-card {
      background: #0a3e38;
      border-radius: 28px;
      overflow: hidden;
      max-width: 360px;
      transition: 0.2s;
    }

    .blog-card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }

    .blog-info {
      padding: 22px;
    }

    .blog-info h4 {
      font-size: 1.3rem;
      margin-bottom: 10px;
    }

    /* footer */
    footer {
      background: #021a18;
      padding: 50px 0 30px;
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 40px;
    }

    .footer-col h4, .footer-col h3 {
      margin-bottom: 18px;
      font-weight: 600;
    }

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

    .footer-col li {
      margin: 12px 0;
    }

    .footer-col a {
      color: #ddd;
      text-decoration: none;
    }

    .footer-col a:hover {
      color: #ff9800;
    }

    .copyright {
      text-align: center;
      padding-top: 40px;
      font-size: 13px;
      border-top: 1px solid #1f6e64;
      margin-top: 40px;
    }

    @media (max-width: 780px) {
      .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
      }
      .slider-btn {
        font-size: 1.4rem;
        padding: 6px 12px;
      }
      .slide-content {
        margin: 0 5%;
        padding: 1.5rem;
      }
    }