/* ===== TOKENS ===== */
    :root {
      --forest:   #1a3d0f;
      --leaf:     #2e7d20;
      --lime:     #6abf3c;
      --mist:     #e8f5e1;
      --white:    #ffffff;
      --ink:      #1c2b14;
      --slate:    #4a5a40;
      --gold:     #c8a84b;
      --shadow:   rgba(30,61,15,0.12);
      --nav-h:    72px;
    }
    *, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Plus Jakarta Sans', sans-serif;
      color: var(--ink);
      background: var(--white);
      overflow-x: hidden;
    }
    img { max-width:100%; display:block; }
    a { text-decoration: none; color: inherit; }

    /* ===== NAVBAR ===== */
    #navbar {
      position: fixed; top:0; left:0; right:0; z-index:1000;
      height: var(--nav-h);
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 5%;
      background: var(--white);
      box-shadow: 0 2px 20px var(--shadow);
      transition: background 0.35s, box-shadow 0.35s, height 0.35s;
    }
    #navbar.scrolled {
      background: var(--forest);
      height: 60px;
      box-shadow: 0 4px 30px rgba(0,0,0,0.25);
    }
    .nav-logo { display:flex; align-items:center; gap:10px; }
    .nav-logo img { width:52px; border-radius:8px; }
    .nav-logo span {
      font-size: 1.05rem; font-weight: 700; color: var(--forest); line-height:1.2;
      transition: color 0.35s;
    }
    #navbar.scrolled .nav-logo span { color: var(--lime); }

    .nav-links {
      display:flex; list-style:none; align-items:center; gap:2rem;
    }
    .nav-links a, .nav-links button {
      font-size:0.9rem; font-weight:600; color: var(--ink);
      transition: color 0.3s;
      background:none; border:none; cursor:pointer; font-family:inherit;
      padding:0;
    }
    #navbar.scrolled .nav-links a,
    #navbar.scrolled .nav-links button { color: #d4efb8; }
    .nav-links a:hover, .nav-links button:hover { color: var(--lime); }
    #navbar.scrolled .nav-links a:hover,
    #navbar.scrolled .nav-links button:hover { color: var(--white); }

    .nav-links a.active { color: var(--leaf); }
    #navbar.scrolled .nav-links a.active { color: var(--lime); }

    /* Dropdown */
    .dropdown { position:relative; }
    .dropdown-menu {
      position:absolute; top:calc(100% + 12px); left:50%;
      transform: translateX(-50%) translateY(-8px);
      background: var(--white);
      border-radius:10px;
      box-shadow: 0 12px 40px var(--shadow);
      padding:0.5rem 0; min-width:180px;
      opacity:0; pointer-events:none;
      transition: all 0.25s ease;
      list-style:none;
    }
    .dropdown:hover .dropdown-menu,
    .dropdown:focus-within .dropdown-menu {
      opacity:1; pointer-events:all; transform: translateX(-50%) translateY(0);
    }
    .dropdown-menu li a {
      display:block; padding:0.7rem 1.2rem; font-size:0.88rem;
      color: var(--ink) !important;
      transition: background 0.2s, color 0.2s;
    }
    .dropdown-menu li a:hover { background: var(--mist); color: var(--leaf) !important; }

    /* Hamburger */
    .hamburger {
      display:none; flex-direction:column; gap:5px; cursor:pointer;
      background:none; border:none; padding:4px;
    }
    .hamburger span {
      display:block; width:26px; height:2.5px;
      background: var(--ink); border-radius:2px;
      transition: all 0.3s ease;
    }
    #navbar.scrolled .hamburger span { background: var(--white); }
    .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
    .hamburger.open span:nth-child(2) { opacity:0; }
    .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

    /* Mobile nav */
    .mobile-nav {
      display:none; position:fixed; top:var(--nav-h); left:0; right:0;
      background: var(--forest); padding:1.5rem 5%;
      flex-direction:column; gap:0;
      z-index:999;
      transform: translateY(-110%); transition: transform 0.35s ease;
    }
    .mobile-nav.open { transform: translateY(0); }
    .mobile-nav a {
      display:block; padding:0.85rem 0;
      color: #d4efb8; font-weight:600; font-size:1rem;
      border-bottom:1px solid rgba(255,255,255,0.08);
      transition: color 0.2s;
    }
    .mobile-nav a:hover { color: var(--white); }

    /* ===== HERO ===== */
    #home {
      min-height: 100vh;
      background: linear-gradient(150deg, var(--forest) 0%, #2e6b1a 55%, #a8d870 100%);
      display:flex; align-items:center; justify-content:center;
      text-align:center;
      position:relative; overflow:hidden;
      padding-top: var(--nav-h);
    }
    .hero-particles { position:absolute; inset:0; pointer-events:none; }
    .hero-particles span {
      position:absolute; border-radius:50%; background: rgba(168,216,112,0.15);
      animation: floatUp linear infinite;
    }
    @keyframes floatUp {
      0%   { transform:translateY(100vh) scale(0); opacity:0; }
      10%  { opacity:1; }
      90%  { opacity:0.6; }
      100% { transform:translateY(-20vh) scale(1); opacity:0; }
    }
    .hero-inner { position:relative; z-index:1; padding:2rem; max-width:860px; }
    .hero-eyebrow {
      display:inline-block;
      background: rgba(168,216,112,0.18);
      border:1px solid rgba(168,216,112,0.4);
      color: #a8d870; font-size:0.8rem; font-weight:700;
      letter-spacing:0.12em; text-transform:uppercase;
      padding:0.4rem 1rem; border-radius:50px;
      margin-bottom:1.5rem;
      animation: fadeUp 0.8s ease 0.1s both;
    }
    .hero-inner h1 {
      font-family: 'Lora', serif;
      font-size: clamp(2.2rem, 5vw, 4.2rem);
      color: var(--white); line-height:1.15;
      margin-bottom:1.2rem;
      animation: fadeUp 0.8s ease 0.25s both;
    }
    .hero-inner h1 em { color:#a8d870; font-style:normal; }
    .hero-inner p {
      font-size: clamp(1rem, 2vw, 1.3rem); color: rgba(255,255,255,0.8);
      margin-bottom:2.5rem; line-height:1.7;
      animation: fadeUp 0.8s ease 0.4s both;
    }
    .hero-ctas {
      display:flex; flex-wrap:wrap; gap:1rem; justify-content:center;
      animation: fadeUp 0.8s ease 0.55s both;
    }
    .btn-primary {
      display:inline-flex; align-items:center; gap:0.5rem;
      padding:0.9rem 2.2rem;
      background: linear-gradient(135deg, #6abf3c, #2e7d20);
      color: var(--white); border-radius:50px;
      font-weight:700; font-size:1rem;
      box-shadow: 0 8px 30px rgba(46,125,32,0.4);
      transition: transform 0.25s, box-shadow 0.25s;
    }
    .btn-primary:hover { transform:translateY(-3px); box-shadow:0 14px 40px rgba(46,125,32,0.55); }
    .btn-secondary {
      display:inline-flex; align-items:center; gap:0.5rem;
      padding:0.9rem 2.2rem;
      background: transparent;
      border: 2px solid rgba(255,255,255,0.45);
      color: var(--white); border-radius:50px;
      font-weight:600; font-size:1rem;
      transition: all 0.25s;
    }
    .btn-secondary:hover { background: rgba(255,255,255,0.1); border-color:var(--white); }
    .hero-stats {
      display:flex; flex-wrap:wrap; gap:2rem; justify-content:center;
      margin-top:4rem;
      animation: fadeUp 0.8s ease 0.7s both;
    }
    .hero-stat { text-align:center; }
    .hero-stat .num { font-size:2.4rem; font-weight:800; color:var(--white); line-height:1; }
    .hero-stat .num sup { font-size:1.2rem; }
    .hero-stat .lbl { font-size:0.78rem; color:rgba(255,255,255,0.6); text-transform:uppercase; letter-spacing:0.1em; margin-top:4px; }

    /* ===== SECTION BASICS ===== */
    section { padding: 5.5rem 5%; }
    .section-tag {
      text-align:center; display:block;
      font-size:0.75rem; font-weight:700; letter-spacing:0.15em; text-transform:uppercase;
      color: var(--lime); margin-bottom:0.6rem;
    }
    .section-title {
      text-align:center; font-family:'Lora',serif;
      font-size: clamp(1.8rem, 3.5vw, 2.8rem);
      color: var(--forest); margin-bottom:0.8rem;
      position:relative;
    }
    .section-title::after {
      content:''; display:block; width:56px; height:4px; border-radius:2px;
      background: linear-gradient(90deg, var(--lime), var(--leaf));
      margin:0.7rem auto 0;
    }
    .section-sub {
      text-align:center; color:var(--slate); max-width:620px;
      margin:0 auto 3rem; line-height:1.75; font-size:1.05rem;
    }

    /* ===== ABOUT ===== */
    #about { background: var(--mist); }
    .two-col {
      display:grid; grid-template-columns:1fr 1fr;
      gap:4rem; align-items:center; max-width:1200px; margin:0 auto;
    }
    .about-visual { border-radius:20px; overflow:hidden; box-shadow:0 20px 60px var(--shadow); }
    .about-visual img { width:100%; height:420px; object-fit:cover; }
    .about-text h3 { font-family:'Lora',serif; font-size:1.6rem; color:var(--forest); margin-bottom:1rem; }
    .about-text p { color:var(--slate); line-height:1.85; margin-bottom:1rem; }
    .tag-chips { display:flex; flex-wrap:wrap; gap:0.6rem; margin-top:1.5rem; }
    .chip {
      padding:0.45rem 1rem; background:var(--white); border:1.5px solid var(--lime);
      border-radius:50px; font-size:0.82rem; font-weight:600; color:var(--leaf);
    }

    /* ===== PROCESS ===== */
    #process { background: var(--white); }
    .process-steps {
      display:grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap:1.5rem; max-width:1100px; margin:0 auto;
    }
    .step {
      text-align:center; padding:2rem 1.5rem;
      border-radius:16px; background:var(--mist);
      position:relative; overflow:hidden;
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .step:hover { transform:translateY(-8px); box-shadow:0 20px 50px var(--shadow); }
    .step-num {
      font-size:3.5rem; font-weight:800; color:rgba(46,125,32,0.08);
      position:absolute; top:8px; right:14px; line-height:1;
    }
    .step-icon { font-size:2.4rem; margin-bottom:0.8rem; }
    .step h4 { font-size:1rem; font-weight:700; color:var(--forest); margin-bottom:0.5rem; }
    .step p { font-size:0.88rem; color:var(--slate); line-height:1.7; }

    /* ===== PRODUCTS ===== */
    #products { background: var(--mist); }
    .product-grid {
      display:grid; grid-template-columns:repeat(auto-fit, minmax(300px,1fr));
      gap:2rem; max-width:1200px; margin:0 auto;
    }
    .product-card {
      background:var(--white); border-radius:20px; overflow:hidden;
      box-shadow:0 8px 30px var(--shadow);
      transition: transform 0.35s, box-shadow 0.35s;
    }
    .product-card:hover { transform:translateY(-12px); box-shadow:0 24px 60px rgba(30,61,15,0.2); }
    .product-img {
      height:220px;
      background: linear-gradient(135deg, var(--mist), #c8e8a8);
      display:flex; align-items:center; justify-content:center;
      position:relative; overflow:hidden;
    }
    .product-img img { max-height:180px; object-fit:contain; transition:transform 0.4s; }
    .product-card:hover .product-img img { transform:scale(1.07); }
    .product-body { padding:1.8rem; }
    .product-body h3 { font-size:1.1rem; font-weight:700; color:var(--forest); margin-bottom:0.7rem; }
    .product-body p { color:var(--slate); font-size:0.9rem; line-height:1.7; margin-bottom:1.2rem; }
    .feat-list { list-style:none; margin-bottom:1.5rem; }
    .feat-list li {
      font-size:0.85rem; color:var(--slate); padding:0.35rem 0;
      display:flex; align-items:center; gap:0.5rem;
    }
    .feat-list li::before { content:'✓'; color:var(--lime); font-weight:800; font-size:1rem; }
    .product-badge {
      display:inline-block; padding:0.25rem 0.8rem;
      background: linear-gradient(135deg, var(--lime), var(--leaf));
      color:var(--white); font-size:0.75rem; font-weight:700;
      border-radius:50px; margin-bottom:0.8rem;
    }
    .btn-outline {
      display:inline-block; padding:0.7rem 1.6rem;
      border: 2px solid var(--lime); color:var(--leaf);
      border-radius:50px; font-weight:700; font-size:0.9rem;
      transition: all 0.25s;
    }
    .btn-outline:hover { background:var(--lime); color:var(--white); }

    /* ===== BENEFITS ===== */
    #benefits { background:var(--white); }
    .benefits-grid {
      display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
      gap:1.5rem; max-width:1100px; margin:0 auto;
    }
    .benefit-card {
      padding:2rem 1.5rem; border-radius:16px;
      background:var(--mist); text-align:center;
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .benefit-card:hover { transform:translateY(-8px); box-shadow:0 20px 50px var(--shadow); }
    .benefit-icon { font-size:2.6rem; margin-bottom:1rem; }
    .benefit-card h4 { font-size:1rem; font-weight:700; color:var(--forest); margin-bottom:0.5rem; }
    .benefit-card p { font-size:0.88rem; color:var(--slate); line-height:1.7; }

    /* ===== WHO WE SERVE ===== */
    #serve { background:var(--forest); }
    #serve .section-tag { color:var(--lime); }
    #serve .section-title { color:var(--white); }
    #serve .section-title::after { background: linear-gradient(90deg,var(--lime),#a8d870); }
    #serve .section-sub { color:rgba(255,255,255,0.7); }
    .serve-grid {
      display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
      gap:1rem; max-width:1000px; margin:0 auto;
    }
    .serve-item {
      padding:1.5rem 1rem; background:rgba(255,255,255,0.07);
      border:1px solid rgba(168,216,112,0.2);
      border-radius:14px; text-align:center;
      transition: all 0.3s;
    }
    .serve-item:hover { background:rgba(168,216,112,0.15); border-color:var(--lime); transform:translateY(-5px); }
    .serve-item .si { font-size:2rem; margin-bottom:0.6rem; }
    .serve-item p { font-size:0.85rem; color:rgba(255,255,255,0.85); font-weight:600; }

    /* ===== TEAM ===== */
    #team { background:var(--mist); }
    .team-grid {
      display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
      gap:1.5rem; max-width:1100px; margin:0 auto;
    }
    .team-card {
      background:var(--white); border-radius:16px;
      padding:1.5rem 1rem; text-align:center;
      box-shadow:0 5px 20px var(--shadow);
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .team-card:hover { transform:translateY(-8px); box-shadow:0 20px 50px rgba(30,61,15,0.18); }
    .team-avatar {
      width:90px; height:90px; border-radius:50%;
      margin:0 auto 1rem;
      background: linear-gradient(135deg,var(--lime),var(--leaf));
      overflow:hidden; border:3px solid var(--lime);
      display:flex; align-items:center; justify-content:center;
    }
    .team-avatar img { width:100%; height:100%; object-fit:cover; }
    .team-avatar .initials {
      font-size:1.6rem; font-weight:800; color:var(--white);
    }
    .team-card h4 { font-size:0.95rem; font-weight:700; color:var(--forest); margin-bottom:0.3rem; }
    .team-card p { font-size:0.8rem; color:var(--slate); }

    /* Advisor */
    #advisors { background:var(--white); }
    .advisor-grid {
      display:flex; flex-wrap:wrap; justify-content:center; gap:1.5rem;
      max-width:800px; margin:0 auto;
    }
    .advisor-card {
      background:var(--mist); border-radius:16px;
      padding:2rem 1.5rem; text-align:center; min-width:200px;
      box-shadow:0 5px 20px var(--shadow);
      transition: transform 0.3s;
    }
    .advisor-card:hover { transform:translateY(-8px); }
    .advisor-avatar {
      width:100px; height:100px; border-radius:50%;
      margin:0 auto 1rem;
      border:4px solid var(--gold); overflow:hidden;
      background: linear-gradient(135deg, #c8a84b,#e8d080);
      display:flex; align-items:center; justify-content:center;
    }
    .advisor-avatar img { width:100%; height:100%; object-fit:cover; }
    .advisor-avatar .initials { font-size:1.8rem; font-weight:800; color:var(--white); }
    .advisor-card h4 { font-size:1rem; font-weight:700; color:var(--forest); margin-bottom:0.3rem; }
    .advisor-card p { font-size:0.85rem; color:var(--slate); }

    /* ===== IMPACT / STATS ===== */
    #impact {
      background: linear-gradient(135deg, var(--leaf), #1a3d0f);
      padding:4rem 5%;
    }
    .impact-inner { display:flex; flex-wrap:wrap; justify-content:center; gap:3rem; max-width:1000px; margin:0 auto; }
    .impact-stat { text-align:center; }
    .impact-stat .big { font-family:'Lora',serif; font-size:3.5rem; font-weight:700; color:var(--white); line-height:1; }
    .impact-stat .big span { color:#a8d870; }
    .impact-stat .lbl { font-size:0.85rem; color:rgba(255,255,255,0.7); text-transform:uppercase; letter-spacing:0.1em; margin-top:0.5rem; }

    /* ===== CONTACT ===== */
    #contact { background:var(--mist); }
    .contact-wrap {
      display:grid; grid-template-columns:1fr 1.2fr;
      gap:3rem; max-width:1100px; margin:0 auto; align-items:start;
    }
    .contact-info h3 { font-family:'Lora',serif; font-size:1.5rem; color:var(--forest); margin-bottom:1rem; }
    .contact-info p { color:var(--slate); line-height:1.8; margin-bottom:1.5rem; }
    .info-item {
      display:flex; align-items:flex-start; gap:0.8rem;
      margin-bottom:1rem; font-size:0.9rem; color:var(--slate);
    }
    .info-item i { color:var(--lime); font-size:1.1rem; margin-top:2px; flex-shrink:0; }
    .contact-form {
      background:var(--white); border-radius:20px; padding:2.5rem;
      box-shadow:0 12px 40px var(--shadow);
    }
    .form-row { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
    .form-group { margin-bottom:1.2rem; }
    .form-group label { display:block; font-size:0.85rem; font-weight:700; color:var(--forest); margin-bottom:0.4rem; }
    .form-group input, .form-group textarea, .form-group select {
      width:100%; padding:0.85rem 1rem;
      border:1.5px solid #dde8d5; border-radius:10px;
      font-family:inherit; font-size:0.92rem; color:var(--ink);
      transition: border 0.3s, box-shadow 0.3s;
      background: var(--white);
    }
    .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
      outline:none; border-color:var(--lime);
      box-shadow:0 0 0 3px rgba(106,191,60,0.15);
    }
    .form-group textarea { resize:vertical; min-height:130px; }
    .submit-btn {
      width:100%; padding:1rem;
      background: linear-gradient(135deg, #6abf3c, #2e7d20);
      color:var(--white); border:none; border-radius:50px;
      font-size:1rem; font-weight:700; cursor:pointer; font-family:inherit;
      transition: transform 0.25s, box-shadow 0.25s;
      display:flex; align-items:center; justify-content:center; gap:0.6rem;
    }
    .submit-btn:hover { transform:translateY(-3px); box-shadow:0 12px 35px rgba(46,125,32,0.4); }

    /* ===== FOOTER ===== */
    footer {
      background: var(--forest); color: rgba(255,255,255,0.8);
      padding: 4rem 5% 2rem;
    }
    .footer-grid {
      display:grid; grid-template-columns:1.4fr 1fr 1fr;
      gap:3rem; max-width:1200px; margin:0 auto 2.5rem;
    }
    .footer-brand p { font-size:0.88rem; line-height:1.8; margin-top:0.8rem; color:rgba(255,255,255,0.65); }
    .footer-brand .logo-row { display:flex; align-items:center; gap:10px; }
    .footer-brand .logo-row img { width:48px; border-radius:8px; }
    .footer-brand .logo-row span { font-size:1rem; font-weight:700; color:var(--lime); }
    .social-row { display:flex; gap:0.8rem; margin-top:1.2rem; }
    .social-row a {
      width:36px; height:36px; border-radius:50%;
      background:rgba(168,216,112,0.15); border:1px solid rgba(168,216,112,0.3);
      display:flex; align-items:center; justify-content:center;
      color:var(--lime); font-size:0.85rem;
      transition: all 0.3s;
    }
    .social-row a:hover { background:var(--lime); color:var(--forest); transform:translateY(-3px); }
    .footer-col h5 { color:var(--lime); font-size:0.95rem; font-weight:700; margin-bottom:1rem; }
    .footer-col a { display:block; font-size:0.87rem; color:rgba(255,255,255,0.65); margin-bottom:0.5rem; transition:color 0.2s; }
    .footer-col a:hover { color:var(--white); }
    .footer-col p { font-size:0.87rem; color:rgba(255,255,255,0.65); line-height:1.7; margin-bottom:0.5rem; }
    .footer-bottom {
      border-top:1px solid rgba(255,255,255,0.1);
      padding-top:1.5rem; text-align:center;
      font-size:0.82rem; color:rgba(255,255,255,0.4);
      max-width:1200px; margin:0 auto;
    }

    /* ===== ANIMATIONS ===== */
    @keyframes fadeUp {
      from { opacity:0; transform:translateY(24px); }
      to   { opacity:1; transform:translateY(0); }
    }
    .reveal {
      opacity:0; transform:translateY(32px);
      transition: opacity 0.65s ease, transform 0.65s ease;
    }
    .reveal.visible { opacity:1; transform:translateY(0); }

    /* ===== SCROLL TO TOP ===== */
    #scrollTop {
      position:fixed; bottom:2rem; right:2rem; z-index:900;
      width:44px; height:44px; border-radius:50%;
      background: var(--lime); color:var(--white);
      border:none; cursor:pointer; font-size:1.1rem;
      box-shadow:0 8px 25px rgba(46,125,32,0.4);
      display:flex; align-items:center; justify-content:center;
      opacity:0; pointer-events:none;
      transition: opacity 0.3s, transform 0.3s;
    }
    #scrollTop.show { opacity:1; pointer-events:all; }
    #scrollTop:hover { transform:translateY(-3px); }

    /* ===== RESPONSIVE ===== */
    @media (max-width:900px) {
      .two-col { grid-template-columns:1fr; }
      .contact-wrap { grid-template-columns:1fr; }
      .footer-grid { grid-template-columns:1fr 1fr; }
    }
    @media (max-width:700px) {
      .nav-links { display:none; }
      .hamburger { display:flex; }
      .mobile-nav { display:flex; }
      .form-row { grid-template-columns:1fr; }
      .footer-grid { grid-template-columns:1fr; }
      .hero-stats { gap:1.5rem; }
      .hero-stat .num { font-size:2rem; }
      section { padding:4rem 5%; }
    }
    @media (max-width:480px) {
      .hero-inner h1 { font-size:2rem; }
      .hero-ctas { flex-direction:column; align-items:center; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
    }

    /* ===== BIOGAS PLANT SECTION ===== */
    #biogas { background: var(--white); }
    .biogas-hero {
      max-width:1200px; margin:0 auto 4rem;
      display:grid; grid-template-columns:1.1fr 1fr;
      gap:3.5rem; align-items:center;
    }
    .biogas-visual {
      border-radius:20px; overflow:hidden;
      box-shadow:0 24px 70px var(--shadow); position:relative;
    }
    .biogas-visual img { width:100%; height:460px; object-fit:cover; display:block; }
    .biogas-badge {
      position:absolute; bottom:18px; left:18px;
      background: linear-gradient(135deg,var(--lime),var(--leaf));
      color:var(--white); font-size:0.78rem; font-weight:700;
      padding:0.4rem 1rem; border-radius:50px;
      letter-spacing:0.06em;
    }
    .biogas-text h3 { font-family:'Lora',serif; font-size:1.65rem; color:var(--forest); margin-bottom:1rem; }
    .biogas-text p { color:var(--slate); line-height:1.85; margin-bottom:1rem; }
    .biogas-specs {
      display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin-top:1.8rem;
    }
    .spec-box {
      background:var(--mist); border-radius:12px; padding:1rem 1.2rem;
      border-left:4px solid var(--lime);
    }
    .spec-box .spec-val { font-size:1.5rem; font-weight:800; color:var(--leaf); }
    .spec-box .spec-lbl { font-size:0.78rem; color:var(--slate); margin-top:2px; }

    /* Plant features grid */
    .plant-features {
      display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
      gap:1.5rem; max-width:1200px; margin:0 auto 3rem;
    }
    .plant-feat {
      background:var(--mist); border-radius:16px; padding:1.8rem 1.5rem;
      display:flex; gap:1.1rem; align-items:flex-start;
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .plant-feat:hover { transform:translateY(-6px); box-shadow:0 16px 40px var(--shadow); }
    .plant-feat-icon {
      width:48px; height:48px; flex-shrink:0; border-radius:12px;
      background: linear-gradient(135deg,var(--lime),var(--leaf));
      display:flex; align-items:center; justify-content:center;
      font-size:1.4rem;
    }
    .plant-feat-body h4 { font-size:0.97rem; font-weight:700; color:var(--forest); margin-bottom:0.4rem; }
    .plant-feat-body p { font-size:0.85rem; color:var(--slate); line-height:1.7; }

    /* Plant timeline */
    .plant-timeline {
      max-width:900px; margin:0 auto;
      position:relative; padding-left:2rem;
    }
    .plant-timeline::before {
      content:''; position:absolute; left:0; top:0; bottom:0;
      width:3px; background: linear-gradient(var(--lime),var(--leaf));
      border-radius:3px;
    }
    .tl-item {
      position:relative; margin-bottom:2rem; padding-left:1.8rem;
    }
    .tl-item::before {
      content:''; position:absolute; left:-2.4rem; top:4px;
      width:14px; height:14px; border-radius:50%;
      background:var(--lime); border:3px solid var(--white);
      box-shadow:0 0 0 3px var(--lime);
    }
    .tl-item h4 { font-size:1rem; font-weight:700; color:var(--forest); margin-bottom:0.3rem; }
    .tl-item p { font-size:0.88rem; color:var(--slate); line-height:1.7; }
    .tl-item .tl-tag {
      display:inline-block; font-size:0.72rem; font-weight:700;
      background:var(--mist); color:var(--leaf); padding:0.2rem 0.7rem;
      border-radius:50px; margin-bottom:0.4rem;
    }

    /* ===== GALLERY SECTION ===== */
    #gallery { background:var(--mist); }
    .gallery-filter {
      display:flex; flex-wrap:wrap; gap:0.6rem; justify-content:center;
      margin-bottom:2.5rem;
    }
    .filter-btn {
      padding:0.5rem 1.3rem; border-radius:50px;
      border:2px solid var(--lime); background:transparent;
      color:var(--leaf); font-size:0.85rem; font-weight:700;
      cursor:pointer; font-family:inherit;
      transition: all 0.25s;
    }
    .filter-btn:hover, .filter-btn.active {
      background:var(--lime); color:var(--white); border-color:var(--lime);
    }
    .gallery-grid {
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:0.8rem; max-width:1200px; margin:0 auto;
    }
    .gallery-grid .g-wide { grid-column: span 2; }
    .gallery-grid .g-tall { grid-row: span 2; }
    .gallery-item {
      position:relative; border-radius:12px; overflow:hidden;
      cursor:pointer; background:var(--forest);
      aspect-ratio:1/1;
    }
    .gallery-grid .g-wide { aspect-ratio:2/1; }
    .gallery-grid .g-tall { aspect-ratio:1/2; }
    .gallery-item img {
      width:100%; height:100%; object-fit:cover;
      transition: transform 0.5s ease, opacity 0.3s;
      display:block;
    }
    .gallery-item:hover img { transform:scale(1.08); opacity:0.85; }
    .gallery-overlay {
      position:absolute; inset:0;
      background: linear-gradient(to top, rgba(26,61,15,0.85) 0%, transparent 55%);
      opacity:0; transition: opacity 0.3s;
      display:flex; align-items:flex-end; padding:1rem;
    }
    .gallery-item:hover .gallery-overlay { opacity:1; }
    .gallery-overlay-text { color:var(--white); }
    .gallery-overlay-text h5 { font-size:0.88rem; font-weight:700; }
    .gallery-overlay-text p { font-size:0.75rem; opacity:0.8; }
    .gallery-zoom {
      position:absolute; top:50%; left:50%; transform:translate(-50%,-50%) scale(0.7);
      width:44px; height:44px; border-radius:50%;
      background:rgba(255,255,255,0.2); backdrop-filter:blur(4px);
      display:flex; align-items:center; justify-content:center;
      color:var(--white); font-size:1.1rem;
      opacity:0; transition: all 0.3s;
    }
    .gallery-item:hover .gallery-zoom { opacity:1; transform:translate(-50%,-50%) scale(1); }

    /* Placeholder tiles when no image */
    .gallery-item .ph {
      width:100%; height:100%; display:flex; flex-direction:column;
      align-items:center; justify-content:center;
      background: linear-gradient(135deg,var(--mist),#c8e8a8);
      color:var(--leaf); text-align:center; padding:1rem;
      font-size:0.8rem; gap:0.5rem;
    }
    .gallery-item .ph .ph-icon { font-size:2.5rem; }
    .gallery-item .ph span { font-weight:600; color:var(--forest); }

    /* Upload notice */
    .gallery-notice {
      max-width:700px; margin:2rem auto 0;
      background:var(--white); border:2px dashed var(--lime);
      border-radius:14px; padding:1.2rem 1.5rem; text-align:center;
    }
    .gallery-notice p { font-size:0.88rem; color:var(--slate); }
    .gallery-notice strong { color:var(--leaf); }

    /* ===== LIGHTBOX ===== */
    .lightbox {
      position:fixed; inset:0; z-index:2000;
      background:rgba(10,20,8,0.96); backdrop-filter:blur(8px);
      display:flex; align-items:center; justify-content:center;
      opacity:0; pointer-events:none; transition:opacity 0.3s;
    }
    .lightbox.open { opacity:1; pointer-events:all; }
    .lb-inner {
      position:relative; max-width:90vw; max-height:90vh;
      display:flex; flex-direction:column; align-items:center; gap:1rem;
    }
    .lb-inner img {
      max-width:88vw; max-height:80vh; object-fit:contain;
      border-radius:12px; box-shadow:0 30px 80px rgba(0,0,0,0.5);
    }
    .lb-caption { color:rgba(255,255,255,0.8); font-size:0.9rem; text-align:center; }
    .lb-close {
      position:fixed; top:1.2rem; right:1.5rem;
      background:rgba(255,255,255,0.1); border:none;
      color:var(--white); font-size:1.5rem; cursor:pointer;
      width:44px; height:44px; border-radius:50%;
      display:flex; align-items:center; justify-content:center;
      transition:background 0.2s;
    }
    .lb-close:hover { background:rgba(255,255,255,0.25); }
    .lb-prev, .lb-next {
      position:fixed; top:50%; transform:translateY(-50%);
      background:rgba(255,255,255,0.12); border:none;
      color:var(--white); font-size:1.4rem; cursor:pointer;
      width:48px; height:48px; border-radius:50%;
      display:flex; align-items:center; justify-content:center;
      transition:background 0.2s;
    }
    .lb-prev { left:1rem; } .lb-next { right:1rem; }
    .lb-prev:hover, .lb-next:hover { background:rgba(255,255,255,0.25); }
    .lb-counter { color:rgba(255,255,255,0.5); font-size:0.8rem; }

    @media (max-width:900px) {
      .biogas-hero { grid-template-columns:1fr; }
      .biogas-visual img { height:300px; }
      .gallery-grid { grid-template-columns:repeat(2,1fr); }
      .gallery-grid .g-wide { grid-column:span 2; }
      .gallery-grid .g-tall { grid-row:span 1; aspect-ratio:1/1; }
    }
    @media (max-width:500px) {
      .gallery-grid { grid-template-columns:1fr 1fr; gap:0.5rem; }
      .gallery-grid .g-wide { grid-column:span 2; }
      .biogas-specs { grid-template-columns:1fr 1fr; }
    }

    /* ===== SUPPORTERS CAROUSEL ===== */
    #supporters {
      background: var(--white);
      padding: 5rem 0;
      overflow: hidden;
    }
    #supporters .section-tag  { margin-bottom:.6rem; }
    #supporters .section-title { margin-bottom:.8rem; }
    #supporters .section-sub  { margin-bottom: 3rem; }

    /* Track wrapper — masks overflow */
    .carousel-mask {
      position: relative;
      overflow: hidden;
      left:580px;

      /* fade edges */
    }
    .carousel-mask::before,
    .carousel-mask::after {
      content: '';
      position: absolute; top:0; bottom:0; width:120px; z-index:2;
      pointer-events:none;
    }
    /* .carousel-mask::before { left:0;  background:linear-gradient(to right, var(--white), transparent); } */
    .carousel-mask::after  { right:0; background:linear-gradient(to left,  var(--white), transparent); }

    /* The scrolling track — duplicated for seamless loop */
    .carousel-track {
      display: flex;
      gap: 2rem;
      width: max-content;
      animation: scrollLeft 28s linear infinite;
    }
    .carousel-track:hover { animation-play-state: paused; }

    /* @keyframes scrollLeft {
      0%   { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    } */

    /* Individual supporter card */
    .supporter-card {
      flex-shrink: 0;
      width: 220px;
      background: var(--mist);
      border-radius: 18px;
      padding: 1.8rem 1.4rem;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
      text-align: center;
      border: 1.5px solid transparent;
      transition: border-color .3s, box-shadow .3s, transform .3s;
      cursor: default;
    }
    .supporter-card:hover {
      border-color: var(--lime);
      box-shadow: 0 16px 40px var(--shadow);
      transform: translateY(-6px);
    }

    /* Logo box */
    .supporter-logo {
      width: 90px;
      height: 90px;
      border-radius: 16px;
      background: var(--white);
      box-shadow: 0 4px 16px var(--shadow);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      flex-shrink: 0;
    }
    .supporter-logo img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 10px;
    }
    /* Fallback initials badge when image missing */
    .supporter-logo .s-init {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--leaf);
      line-height: 1;
    }

    .supporter-name {
      font-size: .92rem;
      font-weight: 700;
      color: var(--forest);
      line-height: 1.3;
    }
    .supporter-role {
      font-size: .78rem;
      color: var(--slate);
      line-height: 1.5;
    }
    .supporter-badge {
      display: inline-block;
      padding: .22rem .7rem;
      background: linear-gradient(135deg, var(--lime), var(--leaf));
      color: var(--white);
      font-size: .68rem;
      font-weight: 700;
      border-radius: 50px;
      letter-spacing: .05em;
    }