:root{--green-dark:#1a4731;--green-mid:#2d6a4f;--green-light:#40916c;--green-accent:#52b788;--green-pale:#d8f3dc;--gold:#c9a84c;--white:#ffffff;--gray-50:#f9fafb;--gray-200:#e5e7eb;--gray-500:#6b7280;--gray-700:#374151;--gray-900:#111827;--font-body:'Inter',sans-serif;--font-display:'Playfair Display',serif;--radius:12px;--shadow-md:0 4px 16px rgba(0,0,0,.10);--shadow-lg:0 10px 40px rgba(0,0,0,.14);--transition:all .25s ease}
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:var(--font-body);color:var(--gray-900);background:var(--white);line-height:1.6}
    img{max-width:100%;display:block}a{text-decoration:none;color:inherit}ul{list-style:none}
    .container{max-width:1160px;margin:0 auto;padding:0 24px}
    .section{padding:88px 0}
    .section-alt{background:var(--gray-50)}
    .tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--green-light);margin-bottom:12px}
    .section-title{font-family:var(--font-display);font-size:clamp(28px,4vw,40px);font-weight:700;line-height:1.2;margin-bottom:16px;color:var(--green-dark)}
    .text-center{text-align:center}
    .btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);border:2px solid transparent}
    .btn-primary{background:var(--green-mid);color:var(--white);border-color:var(--green-mid)}
    .btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
    .btn-gold{background:var(--gold);color:var(--white);border-color:var(--gold)}
    .btn-gold:hover{background:#b8963e;transform:translateY(-2px)}

    .topbar{background:var(--green-dark);color:rgba(255,255,255,.8);font-size:13px;padding:8px 0}
    .topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
    .topbar a{color:rgba(255,255,255,.8);transition:var(--transition)}.topbar a:hover{color:var(--white)}
    .topbar-left,.topbar-right{display:flex;gap:20px;align-items:center}
    .navbar{background:var(--white);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.08)}
    .navbar .container{display:flex;align-items:center;justify-content:space-between;height:72px}
    .logo{display:flex;align-items:center;gap:10px}.logo img{height:52px;width:auto}
    .logo-text{display:flex;flex-direction:column}
    .logo-name{font-family:var(--font-display);font-size:22px;font-weight:700;color:var(--green-dark);line-height:1.1}
    .logo-tagline{font-size:12px;font-weight:500;color:var(--green-light);letter-spacing:.04em}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{font-size:14px;font-weight:500;color:var(--gray-700);padding:8px 14px;border-radius:6px;transition:var(--transition)}
    .nav-links a:hover,.nav-links a.active{color:var(--green-mid);background:var(--green-pale)}
    .nav-links .btn-primary{padding:9px 20px;font-size:14px;margin-left:8px}
    .nav-dropdown{position:relative}.nav-dropdown>a{display:flex;align-items:center;gap:4px}
    .nav-dropdown>a::after{content:'▾';font-size:12px;color:var(--gray-500)}
    .dropdown-menu{display:none;position:absolute;top:calc(100% + 8px);left:0;background:var(--white);border:1px solid var(--gray-200);border-radius:10px;box-shadow:var(--shadow-lg);min-width:180px;padding:8px;z-index:200}
    .nav-dropdown:hover .dropdown-menu{display:block}
    .dropdown-menu a{display:block;padding:9px 14px;font-size:14px;color:var(--gray-700);border-radius:6px;transition:var(--transition)}
    .dropdown-menu a:hover{background:var(--green-pale);color:var(--green-mid)}

    .page-hero{background:linear-gradient(135deg,var(--green-dark) 0%,#0d2b1e 100%);padding:80px 0 72px;position:relative;overflow:hidden}
    .page-hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:60px 60px}
    .page-hero .container{position:relative;z-index:1}
    .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:24px}
    .breadcrumb a{color:rgba(255,255,255,.6)}.breadcrumb a:hover{color:var(--white)}
    .page-hero h1{font-family:var(--font-display);font-size:clamp(36px,5vw,56px);font-weight:700;color:var(--white);margin-bottom:16px;line-height:1.1}
    .page-hero h1 span{color:var(--green-accent)}
    .page-hero p{font-size:18px;color:rgba(255,255,255,.75);max-width:700px;line-height:1.7}

    /* Section headers */
    .part-header{display:flex;align-items:center;gap:20px;margin-bottom:48px;padding-bottom:20px;border-bottom:2px solid var(--green-pale)}
    .part-badge{background:var(--green-mid);color:var(--white);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:6px 14px;border-radius:100px}
    .part-title{font-family:var(--font-display);font-size:30px;font-weight:700;color:var(--green-dark)}

    /* Case Study Cards */
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
    .case-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
    .case-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
    .case-card-img{height:160px;background:linear-gradient(135deg,var(--green-dark),var(--green-mid));display:flex;align-items:center;justify-content:center;font-size:56px}
    .case-card-body{padding:24px}
    .case-tag{display:inline-block;background:var(--green-pale);color:var(--green-dark);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:100px;margin-bottom:12px}
    .case-card h3{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--green-dark);margin-bottom:10px;line-height:1.3}
    .case-meta{font-size:13px;color:var(--gray-500);margin-bottom:12px}
    .case-meta span{display:inline-block;margin-right:16px}
    .case-card p{font-size:14px;color:var(--gray-700);line-height:1.65}
    .case-card-footer{padding:16px 24px;border-top:1px solid var(--gray-200);display:flex;gap:16px}
    .case-detail{font-size:13px;color:var(--gray-500)}
    .case-detail strong{display:block;color:var(--green-dark);font-size:12px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}

    /* Article Cards */
    .articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .article-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:28px;transition:var(--transition);position:relative;overflow:hidden}
    .article-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--green-mid),var(--green-accent));transform:scaleX(0);transform-origin:left;transition:transform .3s}
    .article-card:hover::before{transform:scaleX(1)}
    .article-card:hover{border-color:var(--green-accent);box-shadow:var(--shadow-md);transform:translateY(-4px)}
    .article-num{font-size:40px;font-weight:800;color:var(--green-pale);font-family:var(--font-display);line-height:1;margin-bottom:8px}
    .article-card h3{font-size:16px;font-weight:700;color:var(--green-dark);margin-bottom:10px;line-height:1.4}
    .article-card p{font-size:14px;color:var(--gray-500);line-height:1.6}
        .article-card{cursor:pointer}
    .article-card .card-link{position:absolute;inset:0;z-index:3}
    .article-card::after{content:'Read more \2192';display:block;margin-top:16px;font-size:13px;font-weight:700;color:var(--green-mid);opacity:.85;transition:var(--transition)}
    .article-card:hover::after{opacity:1;transform:translateX(3px)}
    .article-chip{display:inline-block;background:var(--green-pale);color:var(--green-dark);font-size:11px;font-weight:600;padding:4px 10px;border-radius:100px;margin-top:14px}

    .cta-banner{padding:88px 0;background:linear-gradient(135deg,var(--green-dark) 0%,#0d2b1e 100%);position:relative;overflow:hidden}
    .cta-banner::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:60px 60px}
    .cta-banner .container{position:relative;z-index:1;text-align:center}
    .cta-banner h2{font-family:var(--font-display);font-size:clamp(26px,4vw,40px);font-weight:700;color:var(--white);margin-bottom:16px;max-width:600px;margin-left:auto;margin-right:auto}
    .cta-banner p{font-size:17px;color:rgba(255,255,255,.7);margin-bottom:36px}

    footer{background:#0d1f16;color:rgba(255,255,255,.75);padding:64px 0 32px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:48px;margin-bottom:48px}
    .footer-brand p{font-size:14px;color:rgba(255,255,255,.55);margin-top:16px;line-height:1.7}
    .footer-col h4{font-size:14px;font-weight:700;color:var(--white);letter-spacing:.04em;text-transform:uppercase;margin-bottom:20px}
    .footer-col ul li{margin-bottom:10px}.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.6);transition:var(--transition)}
    .footer-col ul li a:hover{color:var(--green-accent)}
    .footer-contact-item{display:flex;gap:10px;margin-bottom:14px;font-size:14px;color:rgba(255,255,255,.6)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:28px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.4)}

    @media(max-width:1024px){.case-grid,.articles-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
    @media(max-width:768px){.case-grid,.articles-grid{grid-template-columns:1fr}.topbar,.nav-links{display:none}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px;text-align:center}}