:root{--bg:#022c22;--surface:#034435;--text:#eaedf3;--heading:#f8fafc;--muted:#a3adbe;--primary:#22c55e;--on-primary:#000000;--accent:#92400e;--border:rgba(255,255,255,0.12);}
*{box-sizing:border-box;}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;margin:0;padding:0;line-height:1.75;}
h1,h2,h3,h4,h5,h6{color:var(--heading);}
a{color:var(--primary);text-decoration:none;}
a:hover{opacity:.82;}
p{color:var(--text);}

/* Navbar */
.navbar{background:var(--surface);border-bottom:1px solid var(--border);}
.navbar-brand img{height:40px;}
.navbar-toggler{border-color:var(--border);}
.navbar-toggler-icon{filter:invert(1);}
.nav-link{color:var(--text) !important;font-size:.93rem;padding:.5rem .8rem !important;transition:color .18s;}
.nav-link:hover{color:var(--primary) !important;}

/* Buttons */
.btn-primary-custom{background:var(--primary);color:var(--on-primary);font-weight:700;border:none;border-radius:8px;padding:.65rem 1.7rem;font-size:1rem;transition:transform .2s,box-shadow .2s;display:inline-block;cursor:pointer;}
.btn-primary-custom:hover{transform:translateY(-2px);box-shadow:0 0 20px rgba(34,197,94,.5);color:var(--on-primary);}
.btn-outline-custom{background:transparent;color:var(--primary);font-weight:700;border:2px solid var(--primary);border-radius:8px;padding:.6rem 1.5rem;font-size:1rem;transition:.2s;display:inline-block;}
.btn-outline-custom:hover{background:var(--primary);color:var(--on-primary);}

/* Breadcrumb */
.breadcrumb-wrap{background:var(--surface);border-bottom:1px solid var(--border);padding:.75rem 0;}
.breadcrumb{margin:0;background:none;padding:0;}
.breadcrumb-item a{color:var(--primary);font-size:.88rem;}
.breadcrumb-item.active{color:var(--muted);font-size:.88rem;}
.breadcrumb-item+.breadcrumb-item::before{color:var(--muted);}

/* Read progress */
.read-progress{position:fixed;top:0;left:0;height:3px;background:var(--primary);z-index:9999;transition:width .1s;}

/* Hero */
.page-hero{background:linear-gradient(135deg,var(--bg) 0%,var(--surface) 55%,var(--bg) 100%);border-bottom:1px solid var(--border);padding:64px 0 52px;position:relative;overflow:hidden;}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 65% 45%,rgba(34,197,94,.07) 0%,transparent 60%);}
.page-hero h1{font-size:clamp(1.8rem,3.2vw,2.5rem);font-weight:800;line-height:1.2;}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.28);border-radius:20px;padding:.32rem .95rem;font-size:.8rem;color:var(--primary);font-weight:700;margin-bottom:1rem;}

/* Search */
.faq-search-wrap{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:1.8rem 2rem;margin-top:2rem;}
.search-inp-wrap{position:relative;}
.search-inp{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:.75rem 1rem .75rem 3rem;color:var(--text);font-size:.96rem;outline:none;font-family:inherit;transition:border-color .2s,box-shadow .2s;}
.search-inp::placeholder{color:var(--muted);}
.search-inp:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,197,94,.14);}
.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--muted);font-size:1.05rem;pointer-events:none;}
.search-clear{position:absolute;right:1rem;top:50%;transform:translateY(-50%);color:var(--muted);background:none;border:none;cursor:pointer;font-size:1rem;display:none;}
.search-clear.show{display:block;}
.search-result-count{color:var(--muted);font-size:.82rem;margin-top:.6rem;min-height:1.2rem;}

/* Category pills */
.cat-pills{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem;}
.cat-pill{background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:.32rem .9rem;font-size:.82rem;color:var(--muted);cursor:pointer;transition:.18s;display:flex;align-items:center;gap:.35rem;white-space:nowrap;}
.cat-pill:hover{border-color:var(--primary);color:var(--primary);}
.cat-pill.active{background:rgba(34,197,94,.1);border-color:rgba(34,197,94,.4);color:var(--primary);font-weight:600;}
.cat-pill i{font-size:.85rem;}
.cat-count{background:rgba(34,197,94,.15);color:var(--primary);border-radius:10px;padding:.05rem .42rem;font-size:.72rem;font-weight:700;}

/* Sections */
section{padding:60px 0;}
.section-alt{background:var(--surface);}
.section-title{font-size:1.75rem;font-weight:700;margin-bottom:.4rem;}
.section-sub{color:var(--muted);font-size:.96rem;margin-bottom:2rem;}

/* FAQ accordion */
.faq-section-title{color:var(--primary);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;margin-bottom:.85rem;display:flex;align-items:center;gap:.5rem;}
.faq-acc .accordion-button{background:var(--surface);color:var(--heading);font-weight:600;font-size:.93rem;border:none;box-shadow:none;padding:1.05rem 1.25rem;line-height:1.5;}
.faq-acc .accordion-button:not(.collapsed){background:rgba(34,197,94,.08);color:var(--primary);box-shadow:none;}
.faq-acc .accordion-button::after{filter:invert(1) brightness(1.5);}
.faq-acc .accordion-item{background:var(--surface);border:1px solid var(--border);border-radius:10px !important;margin-bottom:.6rem;overflow:hidden;transition:border-color .2s;}
.faq-acc .accordion-item:hover{border-color:rgba(34,197,94,.3);}
.faq-acc .accordion-body{background:var(--surface);color:var(--muted);font-size:.89rem;line-height:1.82;padding-top:.4rem;padding-bottom:1.1rem;}
.faq-acc .accordion-body a{color:var(--primary);}
.faq-item-hidden{display:none;}
.no-results{display:none;text-align:center;padding:2.5rem 1rem;color:var(--muted);}
.no-results i{font-size:2.2rem;color:var(--border);display:block;margin-bottom:.7rem;}

/* Feature cards */
.feat-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.65rem 1.4rem;height:100%;transition:transform .22s,box-shadow .22s,border-color .22s;}
.feat-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(34,197,94,.15);border-color:var(--primary);}
.feat-icon{width:52px;height:52px;border-radius:12px;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.22);display:flex;align-items:center;justify-content:center;margin-bottom:1rem;}
.feat-icon i{font-size:1.55rem;color:var(--primary);}
.feat-card h5{color:var(--heading);font-weight:700;font-size:1rem;margin-bottom:.45rem;}
.feat-card p{color:var(--muted);font-size:.86rem;line-height:1.7;margin:0;}

/* Info box */
.hl-box{border-radius:10px;padding:1rem 1.25rem;margin:1rem 0;}
.hl-box.info{background:rgba(34,197,94,.07);border:1px solid rgba(34,197,94,.2);}
.hl-box.warn{background:rgba(146,64,14,.1);border:1px solid rgba(146,64,14,.3);}
.hl-box p{margin:0;font-size:.88rem;line-height:1.72;color:var(--text);}
.hl-label{font-weight:700;font-size:.77rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.35rem;display:flex;align-items:center;gap:.38rem;}
.hl-box.info .hl-label{color:var(--primary);}
.hl-box.warn .hl-label{color:var(--accent);}

/* Stat cards */
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.4rem;text-align:center;}
.stat-card .val{color:var(--primary);font-weight:800;font-size:2rem;line-height:1;}
.stat-card .lbl{color:var(--muted);font-size:.78rem;margin-top:.35rem;}

/* Contact cards */
.contact-card{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:1.4rem;height:100%;transition:border-color .2s,transform .2s;}
.contact-card:hover{border-color:var(--primary);transform:translateY(-3px);}
.contact-card i{font-size:1.7rem;color:var(--primary);display:block;margin-bottom:.65rem;}
.contact-card h6{color:var(--heading);font-weight:700;margin-bottom:.3rem;}
.contact-card p{color:var(--muted);font-size:.84rem;line-height:1.65;margin:0;}

/* Sticky sidebar */
.sidebar-toc{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.3rem;position:sticky;top:84px;}
.sidebar-toc .toc-title{color:var(--heading);font-weight:700;font-size:.9rem;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem;}
.toc-link{display:flex;align-items:center;gap:.6rem;padding:.48rem .6rem;border-radius:8px;cursor:pointer;transition:.15s;margin-bottom:.2rem;}
.toc-link:hover{background:rgba(34,197,94,.08);}
.toc-link.active{background:rgba(34,197,94,.1);color:var(--primary);}
.toc-link i{font-size:.9rem;color:var(--primary);flex-shrink:0;}
.toc-link span{color:var(--muted);font-size:.83rem;font-weight:500;}
.toc-link.active span{color:var(--primary);font-weight:600;}

/* CTA */
.cta-wrap{background:linear-gradient(135deg,var(--bg) 0%,var(--surface) 100%);border:1px solid var(--border);border-radius:18px;padding:3.2rem 2rem;text-align:center;position:relative;overflow:hidden;}
.cta-wrap::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(34,197,94,.09) 0%,transparent 60%);}

/* Footer */
footer{background:var(--surface);border-top:1px solid var(--border);padding:48px 0 24px;}
.footer-links a{color:var(--muted);font-size:.88rem;margin-right:1.2rem;display:inline-block;margin-bottom:.5rem;}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{color:var(--muted);font-size:.82rem;border-top:1px solid var(--border);padding-top:1rem;margin-top:1.5rem;}

/* Highlight searched text */
.hl-match{background:rgba(34,197,94,.22);border-radius:2px;color:var(--heading);font-weight:600;}

@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
.fade-up{opacity:0;}
.fade-up.visible{animation:fadeUp .5s ease both;}