:root{--green:#007a3f;--green-dark:#005c2f;--ink:#101613;--muted:#5f6963;--line:#e4ebe7;--soft:#f5f8f6;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Poppins,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.75}a{color:inherit}.zx-content{max-width:1180px;margin:auto;padding:0 24px}.zx-breadcrumb{font-size:.86rem;color:#6c756f;padding:18px 0}.zx-breadcrumb a{color:var(--green);text-decoration:none}.zx-hero{background:linear-gradient(135deg,#f5faf7,#fff);border-bottom:1px solid var(--line);padding:72px 0 64px}.zx-kicker{display:inline-block;color:var(--green);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}.zx-hero h1{font-size:clamp(2.2rem,5vw,4.1rem);line-height:1.12;letter-spacing:-.04em;max-width:850px;margin:0 0 20px}.zx-hero h1 span{color:var(--green)}.zx-hero p{max-width:760px;color:var(--muted);font-size:1.08rem;margin:0}.zx-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.zx-btnx{display:inline-flex;align-items:center;justify-content:center;padding:12px 19px;border-radius:8px;text-decoration:none;font-weight:700;border:1px solid var(--green);transition:.2s}.zx-btnx.primary{background:var(--green);color:#fff}.zx-btnx.primary:hover{background:var(--green-dark)}.zx-btnx.secondary{color:var(--green);background:#fff}.zx-sectionx{padding:68px 0}.zx-sectionx.soft{background:var(--soft)}.zx-sectionx h2{font-size:clamp(1.65rem,3vw,2.35rem);line-height:1.2;margin:0 0 15px}.zx-sectionx h3{font-size:1.18rem;line-height:1.35;margin:0 0 8px}.zx-sectionx p{color:var(--muted);margin:0 0 15px}.zx-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.zx-card{border:1px solid var(--line);border-radius:14px;padding:24px;background:#fff}.zx-card p{font-size:.95rem}.zx-list{padding-left:20px;color:var(--muted)}.zx-list li{margin:8px 0}.zx-two{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:start}.zx-callout{border-left:4px solid var(--green);background:var(--soft);padding:22px 24px;border-radius:0 12px 12px 0}.zx-callout strong{display:block;margin-bottom:6px}.zx-faq{border-top:1px solid var(--line)}.zx-faq details{border-bottom:1px solid var(--line);padding:18px 0}.zx-faq summary{cursor:pointer;font-weight:700}.zx-faq p{padding:12px 0 0;margin:0}.zx-table{width:100%;border-collapse:collapse;margin-top:18px}.zx-table th,.zx-table td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.zx-table th{background:var(--soft)}.zx-article{max-width:820px;margin:auto}.zx-article h2{margin-top:38px}.zx-article h3{margin-top:28px}.zx-article ul{color:var(--muted)}.zx-note{font-size:.88rem;color:#6c756f}.zx-cta-x{background:var(--green);color:#fff;padding:48px 0}.zx-cta-x h2{margin:0 0 10px;font-size:2rem}.zx-cta-x p{margin:0 0 20px;color:#e6f3ec}.zx-cta-x .zx-btnx.secondary{background:transparent;color:#fff;border-color:#fff}@media(max-width:800px){.zx-grid{grid-template-columns:1fr 1fr}.zx-two{grid-template-columns:1fr}.zx-hero{padding:54px 0}.zx-sectionx{padding:52px 0}}@media(max-width:520px){.zx-grid{grid-template-columns:1fr}.zx-content{padding:0 18px}.zx-actions{flex-direction:column;align-items:stretch}.zx-btnx{width:100%}}


/* =========================================================
   SHARED ZEY NDEX SITE CHROME + RESPONSIVE LAYOUT
   ========================================================= */
body{padding-top:68px;overflow-x:hidden}
.zx-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--green);box-shadow:0 2px 20px rgba(0,0,0,.15)}
.zx-nav{max-width:1200px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:26px;position:relative}
.zx-logo{display:flex;align-items:center;flex-shrink:0;text-decoration:none}
.zx-logo img{display:block;height:55px;width:auto;max-width:170px;object-fit:contain}
.zx-nav-links{display:flex;align-items:center;gap:25px;margin-left:auto;list-style:none;padding:0;margin-top:0;margin-bottom:0}
.zx-nav-links>li{position:relative}
.zx-nav-links a{color:rgba(255,255,255,.9);font-size:.88rem;font-weight:600;text-decoration:none;transition:color .2s ease;position:relative;white-space:nowrap}
.zx-nav-links>li>a:after{content:'';position:absolute;left:0;bottom:-7px;width:0;height:2px;background:#fff;border-radius:2px;transition:width .2s ease}
.zx-nav-links>li:hover>a:after,.zx-nav-links>li:focus-within>a:after{width:100%}
.zx-nav-links a:hover{color:#fff}
.zx-nav-dropdown>a{display:inline-flex;align-items:center;gap:6px}
.zx-nav-dropdown>a .zx-chevron{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-top:-4px;transition:transform .2s ease}
.zx-nav-dropdown:hover>a .zx-chevron,.zx-nav-dropdown.open>a .zx-chevron{transform:rotate(225deg);margin-top:4px}
.zx-submenu{position:absolute;top:calc(100% + 18px);left:50%;transform:translateX(-50%) translateY(8px);width:330px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:14px;padding:10px;box-shadow:0 18px 45px rgba(0,0,0,.16);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,transform .18s ease,visibility .18s ease;list-style:none;margin:0}
.zx-submenu:before{content:'';position:absolute;top:-7px;left:50%;width:14px;height:14px;background:#fff;border-left:1px solid rgba(0,0,0,.08);border-top:1px solid rgba(0,0,0,.08);transform:translateX(-50%) rotate(45deg)}
.zx-nav-dropdown:hover .zx-submenu,.zx-nav-dropdown:focus-within .zx-submenu,.zx-nav-dropdown.open .zx-submenu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.zx-submenu li a{display:block;color:#1a241f;padding:10px 12px;border-radius:9px;font-size:.84rem;line-height:1.35}
.zx-submenu li a:hover{background:#f0f7f3;color:var(--green)}
.zx-submenu li a:after{display:none}
.zx-nav-cta{display:inline-flex;align-items:center;justify-content:center;background:#fff;color:var(--green);padding:9px 18px;border-radius:999px;font-size:.84rem;font-weight:700;text-decoration:none;flex-shrink:0;transition:.2s ease}
.zx-nav-cta:hover{background:#e8f5ee;color:var(--green-dark);transform:translateY(-1px)}
.zx-hamburger{display:none;flex-direction:column;gap:5px;background:transparent;border:0;cursor:pointer;padding:9px;margin-left:auto}
.zx-hamburger span{display:block;width:25px;height:2px;border-radius:2px;background:#fff;transition:.2s ease}
.zx-hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.zx-hamburger.active span:nth-child(2){opacity:0}
.zx-hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.zx-footer{background:#0a1a12;padding-top:68px;margin-top:0}
.zx-footer-inner{max-width:1200px;margin:0 auto;padding:0 24px 52px;display:grid;grid-template-columns:2fr 1fr 1fr 1.35fr;gap:42px;border-bottom:1px solid rgba(255,255,255,.08)}
.zx-footer-brand .zx-logo{margin-bottom:16px}.zx-footer-brand p,.zx-footer-contact p{font-size:.88rem;color:rgba(255,255,255,.58);line-height:1.7;margin:0 0 22px}.zx-socials{display:flex;gap:10px}.zx-socials a{width:36px;height:36px;border:1px solid rgba(255,255,255,.16);border-radius:8px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.65);transition:.2s ease}.zx-socials a:hover{border-color:var(--green);color:#fff;background:var(--green)}
.zx-footer-links h4,.zx-footer-contact h4{font-size:.82rem;font-weight:800;color:#fff;margin:0 0 16px;text-transform:uppercase;letter-spacing:.08em}.zx-footer-links ul{display:flex;flex-direction:column;gap:9px;list-style:none;padding:0;margin:0}.zx-footer-links ul li a{font-size:.86rem;color:rgba(255,255,255,.58);text-decoration:none;transition:color .2s}.zx-footer-links ul li a:hover{color:#fff}.zx-footer-contact p{margin-bottom:20px}.zx-btn--outline-light{display:inline-flex;align-items:center;justify-content:center;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45);padding:10px 17px;border-radius:8px;text-decoration:none;font-weight:700}.zx-btn--outline-light:hover{background:rgba(255,255,255,.1)}
.zx-footer-bottom{max-width:1200px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:.78rem;color:rgba(255,255,255,.38)}.zx-footer-bottom p{margin:0}

/* Resource/article cards */
.zx-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.zx-resource-card{position:relative;overflow:hidden;border:1px solid #dfe9e3;border-radius:18px;padding:28px;background:linear-gradient(145deg,#fff 0%,#f7fbf8 100%);box-shadow:0 8px 24px rgba(16,22,19,.05);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.zx-resource-card:before{content:'';position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(180deg,#007a3f,#65b98d);opacity:.9}.zx-resource-card:hover{transform:translateY(-6px);border-color:#b8d8c6;box-shadow:0 18px 40px rgba(0,122,63,.13)}.zx-resource-card h2,.zx-resource-card h3{margin:0 0 10px;line-height:1.35}.zx-resource-card p{margin:0 0 20px}.zx-resource-card .zx-card-meta{display:inline-flex;align-items:center;gap:7px;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--green);margin-bottom:13px}
.zx-article-header{max-width:860px;margin:0 auto 28px}.zx-article-header .zx-meta{display:flex;flex-wrap:wrap;gap:12px;color:#6c756f;font-size:.8rem;margin-top:14px}.zx-article-intro{font-size:1.08rem;line-height:1.85;color:#4f5b54}.zx-article-toc{border:1px solid #dfe9e3;background:#f6faf7;border-radius:14px;padding:20px 22px;margin:28px 0}.zx-article-toc strong{display:block;margin-bottom:8px}.zx-article-toc ol{margin:0;padding-left:20px}.zx-article-toc a{color:var(--green);text-decoration:none}.zx-article-toc a:hover{text-decoration:underline}.zx-article h2{font-size:1.65rem;line-height:1.3;margin-top:42px;padding-top:4px}.zx-article h3{font-size:1.12rem;margin-top:26px}.zx-article p,.zx-article li{font-size:1rem;line-height:1.85}.zx-article blockquote{margin:28px 0;padding:20px 22px;border-left:4px solid var(--green);background:#f6faf7;color:#46524b;border-radius:0 10px 10px 0}.zx-article .zx-inline-link{color:var(--green);font-weight:700;text-decoration:none}.zx-article .zx-inline-link:hover{text-decoration:underline}
/* Tool UI */
.zx-tool-panel{border:1px solid #dfe9e3;border-radius:18px;background:#fff;padding:26px;box-shadow:0 10px 30px rgba(16,22,19,.06)}.zx-tool-form{display:grid;gap:18px}.zx-tool-form>label{display:grid;gap:8px;font-size:.86rem;font-weight:700;color:#25312b}.zx-tool-form>label select{border:1px solid #d4dfd9;border-radius:9px;background:#fff;padding:12px 13px;font:inherit;color:#18221d}.zx-tool-form>label input[type=range]{width:100%;accent-color:var(--green)}.zx-tool-field{display:grid;gap:8px}.zx-tool-field label{font-size:.86rem;font-weight:700;color:#25312b}.zx-tool-field select,.zx-tool-field input[type=range]{width:100%}.zx-tool-field select{border:1px solid #d4dfd9;border-radius:9px;background:#fff;padding:12px 13px;font:inherit;color:#18221d}.zx-tool-range{accent-color:var(--green)}.zx-tool-value{font-size:.86rem;color:var(--muted)}.zx-tool-result{border-radius:16px;background:linear-gradient(145deg,#007a3f,#075d35);color:#fff;padding:28px;position:sticky;top:90px;box-shadow:0 16px 35px rgba(0,122,63,.18)}.zx-tool-result p{color:rgba(255,255,255,.78)}.zx-tool-result h2{font-size:clamp(1.8rem,4vw,2.6rem);margin:8px 0 10px}.zx-tool-result .zx-btnx.primary{background:#fff;color:var(--green);border-color:#fff}.zx-tool-result .zx-btnx.primary:hover{background:#e8f5ee;color:var(--green-dark)}.zx-tool-note{font-size:.8rem;color:rgba(255,255,255,.7)}

@media(max-width:1120px){
.zx-nav{gap:16px;padding-left:20px;padding-right:20px}
.zx-nav-links{gap:14px}
.zx-nav-links a{font-size:.8rem}
.zx-nav-cta{padding:8px 14px;font-size:.8rem}
}
@media(max-width:980px){
.zx-nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#005c2f;padding:8px 14px 14px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 12px 25px rgba(0,0,0,.15);max-height:calc(100vh - 64px);overflow:auto}
.zx-nav-links.open{display:flex}
.zx-nav-links>li>a{display:flex;padding:12px 10px;align-items:center;justify-content:space-between}
.zx-nav-links>li>a:after{display:none}
.zx-nav-dropdown .zx-submenu{position:static;width:100%;transform:none!important;opacity:1;visibility:visible;pointer-events:auto;display:none;box-shadow:none;border:0;border-radius:10px;background:rgba(255,255,255,.08);padding:5px;margin:0}
.zx-nav-dropdown.open .zx-submenu{display:block}
.zx-submenu:before{display:none}
.zx-submenu li a{color:rgba(255,255,255,.9);padding:10px 12px}
.zx-submenu li a:hover{background:rgba(255,255,255,.1);color:#fff}
.zx-nav-cta{display:none}
.zx-hamburger{display:flex}
.zx-footer-inner{grid-template-columns:1.5fr 1fr 1fr}
.zx-footer-contact{grid-column:1/-1}
.zx-resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:820px){body{padding-top:64px}.zx-nav{height:64px;padding:0 18px}.zx-footer-inner{grid-template-columns:1fr 1fr;gap:30px}.zx-footer-contact{grid-column:auto}.zx-tool-result{position:static}.zx-article-intro{font-size:1rem}}
@media(max-width:560px){.zx-nav{padding-left:14px;padding-right:14px}.zx-logo img{max-width:145px;height:50px!important}.zx-footer{padding-top:48px}.zx-footer-inner{padding-left:18px;padding-right:18px}.zx-resource-grid{grid-template-columns:1fr}.zx-footer-inner{grid-template-columns:1fr}.zx-footer-contact{grid-column:auto}.zx-footer-bottom{flex-direction:column;text-align:center}.zx-hero{padding:48px 0 44px}.zx-sectionx{padding:46px 0}.zx-tool-panel{padding:20px}.zx-article h2{font-size:1.42rem}}