:root{--hf-green:#2E7D32;--hf-dark:#0F3D2E;--hf-light:#A7D56D;--hf-bg:#F8FAF7;--hf-gray:#EEF3EE;--hf-text:#1F2937;--hf-muted:#66756d;--hf-line:#dbe6dc;--hf-card:#fff;--hf-shadow:0 16px 42px rgba(15,61,46,.08)}
.premium-shell{background:linear-gradient(180deg,#fbfdf9 0,#f6f9f5 100%);min-height:100vh;color:var(--hf-text)}
.premium-hero{padding:42px 0 34px;background:radial-gradient(circle at 88% 8%,rgba(167,213,109,.18),transparent 33%),linear-gradient(180deg,#fff,#f4f8f2);border-bottom:1px solid var(--hf-line)}
.premium-breadcrumb ol{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 24px;font-size:.88rem;color:var(--hf-muted)}
.premium-breadcrumb li+li:before{content:"/";margin-right:8px;color:#9aa99f}
.premium-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--hf-green);font:800 .78rem/1.2 Poppins,sans-serif;letter-spacing:.09em;text-transform:uppercase;margin-bottom:12px}
.premium-hero h1,.premium-section h2,.guide-page h2,.product-page h2{font-family:Poppins,sans-serif;color:var(--hf-dark);letter-spacing:-.03em}
.premium-hero h1{font-size:clamp(2.2rem,4.6vw,4.7rem);line-height:1.02;margin:0 0 18px;max-width:900px}
.premium-hero p{font-size:1.05rem;line-height:1.78;color:var(--hf-muted);max-width:780px}
.premium-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);gap:48px;align-items:center}
.premium-hero-image{border-radius:28px;overflow:hidden;box-shadow:var(--hf-shadow);aspect-ratio:16/10;border:1px solid var(--hf-line)}
.premium-hero-image img{width:100%;height:100%;object-fit:cover}
.premium-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.premium-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:12px;background:var(--hf-green);color:#fff;font-weight:800;border:1px solid var(--hf-green)}.premium-btn.secondary{background:#fff;color:var(--hf-dark);border-color:var(--hf-line)}
.premium-section{padding:64px 0}.premium-section.compact{padding:44px 0}.section-head{display:flex;justify-content:space-between;gap:34px;align-items:end;margin-bottom:26px}.section-head>div{max-width:760px}.section-head h2{font-size:clamp(1.65rem,3vw,2.6rem);margin:0 0 10px}.section-head p{color:var(--hf-muted);line-height:1.7;margin:0}
.premium-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.premium-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.premium-card{background:var(--hf-card);border:1px solid var(--hf-line);border-radius:22px;overflow:hidden;box-shadow:0 8px 28px rgba(15,61,46,.045);display:flex;flex-direction:column;min-width:0;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.premium-card:hover{transform:translateY(-3px);border-color:#bdd6be;box-shadow:var(--hf-shadow)}.premium-card-media{aspect-ratio:16/9;background:#e9f0e8;overflow:hidden}.premium-card-media img{width:100%;height:100%;object-fit:cover;display:block}.premium-card-body{padding:20px;display:flex;flex-direction:column;flex:1}.premium-card .tag{align-self:flex-start;display:inline-flex;padding:7px 10px;border-radius:999px;background:#edf7eb;color:var(--hf-dark);font:800 .72rem Poppins,sans-serif;margin-bottom:12px}.premium-card h3{font-family:Poppins,sans-serif;color:var(--hf-dark);font-size:1.08rem;line-height:1.32;margin:0 0 8px}.premium-card p{color:var(--hf-muted);line-height:1.65;font-size:.91rem;margin:0 0 16px}.premium-card .card-link{margin-top:auto;color:var(--hf-green);font-weight:800;font-size:.9rem}.premium-card .card-link:after{content:" →"}
.tool-search-shell{background:#fff;border:1px solid var(--hf-line);border-radius:20px;padding:16px;box-shadow:0 8px 28px rgba(15,61,46,.045);margin-top:26px}.tool-search-row{display:flex;gap:10px;align-items:center}.tool-search-row input{flex:1;min-height:48px;border:1px solid var(--hf-line);border-radius:12px;padding:0 16px;font:inherit;color:var(--hf-text);background:#fbfdfb}.tool-search-row button{min-height:48px;padding:0 16px;border:0;border-radius:12px;background:var(--hf-dark);color:#fff;font-weight:800}.filter-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.filter-chip{border:1px solid var(--hf-line);background:#fff;color:var(--hf-dark);padding:9px 12px;border-radius:999px;font:700 .8rem Inter,sans-serif;cursor:pointer}.filter-chip.is-active{background:var(--hf-dark);color:#fff;border-color:var(--hf-dark)}
.tool-group{margin-top:42px}.tool-group-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px}.tool-group-head h2{font:800 1.65rem Poppins,sans-serif;color:var(--hf-dark);margin:0}.tool-group-head p{margin:0;color:var(--hf-muted)}
.tool-card[hidden],.tool-group[hidden]{display:none!important}
.guide-layout,.product-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px;align-items:start}.guide-content,.product-content{background:#fff;border:1px solid var(--hf-line);border-radius:24px;padding:32px;box-shadow:0 8px 28px rgba(15,61,46,.045)}.guide-content h2,.product-content h2{font-size:1.6rem;margin:32px 0 12px}.guide-content h2:first-child,.product-content h2:first-child{margin-top:0}.guide-content p,.product-content p,.guide-content li,.product-content li{color:#52645b;line-height:1.76}.info-callout{background:#f3f8f1;border:1px solid #d9e8d5;border-radius:18px;padding:18px;margin:20px 0}.side-stack{display:grid;gap:16px;position:sticky;top:108px}.side-card{background:#fff;border:1px solid var(--hf-line);border-radius:20px;padding:20px}.side-card h3{font:800 1rem Poppins,sans-serif;color:var(--hf-dark);margin:0 0 12px}.side-card a{display:block;padding:9px 0;border-top:1px solid #eef3ee;color:var(--hf-dark);font-weight:700;font-size:.9rem}.side-card a:first-of-type{border-top:0}.source-list{padding-left:20px}.source-list a{color:var(--hf-green);text-decoration:underline}.related-ecosystem{margin:34px 0 0;padding:24px;border-radius:20px;background:linear-gradient(135deg,#f1f8ee,#fff);border:1px solid #d9e8d5}.related-ecosystem-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.related-ecosystem a{background:#fff;border:1px solid var(--hf-line);border-radius:14px;padding:14px;font-weight:800;color:var(--hf-dark)}
.calculator-ecosystem{padding:46px 0;background:#f6f9f5;border-top:1px solid var(--hf-line)}.calculator-ecosystem h2{font:800 1.8rem Poppins,sans-serif;color:var(--hf-dark);margin:0 0 10px}.calculator-ecosystem>div>p{color:var(--hf-muted);margin-bottom:22px}.calculator-ecosystem-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.calculator-ecosystem-card{background:#fff;border:1px solid var(--hf-line);border-radius:18px;padding:20px}.calculator-ecosystem-card span{display:block;color:var(--hf-green);font:800 .73rem Poppins,sans-serif;text-transform:uppercase;letter-spacing:.08em;margin-bottom:9px}.calculator-ecosystem-card strong{display:block;color:var(--hf-dark);font:800 1rem Poppins,sans-serif;margin-bottom:8px}.calculator-ecosystem-card p{color:var(--hf-muted);font-size:.88rem;line-height:1.6;margin:0 0 12px}.calculator-ecosystem-card a{color:var(--hf-green);font-weight:800}
.product-buying-list{display:grid;gap:10px;padding:0;list-style:none}.product-buying-list li{padding:12px 14px;border:1px solid var(--hf-line);border-radius:12px;background:#fbfdfb}.product-link-ready{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.product-link-ready a{pointer-events:none;opacity:.62}
@media(max-width:1100px){.premium-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.premium-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.premium-hero-grid,.guide-layout,.product-layout{grid-template-columns:1fr}.side-stack{position:static}.calculator-ecosystem-grid,.related-ecosystem-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.premium-hero{padding-top:28px}.premium-hero-grid{gap:24px}.premium-hero h1{font-size:2.35rem}.premium-section{padding:46px 0}.section-head{align-items:flex-start;flex-direction:column}.premium-grid,.premium-grid.four{grid-template-columns:1fr}.tool-search-row{flex-direction:column;align-items:stretch}.guide-content,.product-content{padding:22px}.calculator-ecosystem-grid,.related-ecosystem-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}