:root{--bg:#f7f7f5;--surface:#fff;--text:#151515;--muted:#666;--border:#deded8;--soft:#eeeeea;--max:1160px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:10;background:#f7f7f5ee;border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}.nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand-mark{width:38px;height:38px;border-radius:10px;background:#151515;color:#fff;display:grid;place-items:center;font-size:12px}.main-nav{display:flex;gap:24px}.main-nav a{font-size:14px;color:#555;font-weight:650}.main-nav .active,.main-nav a:hover{color:#111}.menu-toggle{display:none;border:0;background:none;font-size:24px}.hero{padding:100px 0 80px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}.eyebrow,.tool-tag,.card-label{font-size:11px;font-weight:800;letter-spacing:.14em;color:#777}.hero h1,.page-hero h1{font-size:clamp(44px,7vw,78px);line-height:1.05;letter-spacing:-.05em;margin:12px 0 22px}.hero-copy,.page-hero p{font-size:19px;color:var(--muted);max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;border:1px solid #151515;font-weight:750;cursor:pointer}.btn-primary{background:#151515;color:#fff}.btn-secondary{background:transparent}.hero-card,.feature-card,.kit-card,.tool-panel,.info-card,.form-card,.purchase-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:28px}.mini-product{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--border);margin-top:12px}.mini-product small{display:block;color:var(--muted)}.section{padding:80px 0}.muted{background:var(--soft)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.feature-grid,.kit-grid,.three-up,.contact-grid,.product-grid,.tool-workspace,.generator-grid{display:grid;gap:18px}.feature-grid,.kit-grid{grid-template-columns:repeat(2,1fr)}.three-up{grid-template-columns:repeat(3,1fr)}.contact-grid,.product-grid,.tool-workspace,.generator-grid{grid-template-columns:1fr 1fr}.feature-card:hover,.kit-card:hover{transform:translateY(-3px);border-color:#aaa}.feature-card,.kit-card{transition:.2s}.feature-card p,.kit-card p{color:var(--muted)}.feature-card ul,.kit-card ul{color:var(--muted);padding-left:20px}.page-hero{padding:80px 0 60px;border-bottom:1px solid var(--border)}.page-hero h1{max-width:900px}.price{font-size:32px;font-weight:850;display:block;margin:15px 0}.info-card,.form-card{margin-top:18px}.form-card form{display:grid;gap:10px}.form-card label,.controls label{font-size:14px;font-weight:700}.form-card input,.form-card select,.form-card textarea,.tool-panel textarea{width:100%;padding:13px;border:1px solid var(--border);border-radius:10px;background:#fff}.tool-panel textarea{resize:vertical}.panel-head{display:flex;justify-content:space-between;align-items:center}.small-button{border:1px solid var(--border);background:#fff;padding:7px 10px;border-radius:8px;cursor:pointer}.tool-options{display:flex;gap:18px;flex-wrap:wrap;margin:12px 0}.controls label{display:block;margin-bottom:22px}.controls output{float:right}.controls input[type=range]{width:100%}.glass-stage{min-height:400px;border-radius:18px;background:linear-gradient(135deg,#172033,#59657c);display:grid;place-items:center}.glass-preview{width:min(80%,380px);padding:30px;border-radius:20px;border:1px solid rgba(255,255,255,.25);color:#fff}.glass-preview p{color:#ddd}.code-panel{margin-top:18px;background:#151515;color:#eee;padding:20px;border-radius:14px}.code-panel pre{white-space:pre-wrap}.big-list{list-style:none;padding:0}.big-list li{padding:18px 0;border-top:1px solid var(--border)}.big-list span{display:block;color:var(--muted)}.purchase-card{height:max-content}.cta{text-align:center;max-width:780px}.site-footer{padding:50px 0 25px;border-top:1px solid var(--border)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-grid>div{display:flex;flex-direction:column;gap:8px}.footer-bottom{border-top:1px solid var(--border);margin-top:35px;padding-top:18px;color:#777;font-size:13px}.donation-overlay{position:fixed;inset:0;z-index:999;background:#0009;display:grid;place-items:center;padding:20px;opacity:0;visibility:hidden;transition:.25s}.donation-overlay.is-visible{opacity:1;visibility:visible}.donation-modal{position:relative;width:min(500px,100%);padding:35px;background:#fff;border-radius:20px}.donation-close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:28px;cursor:pointer}.donation-actions{display:grid;gap:10px;margin-top:20px}.donation-button{width:100%}.donation-later{border:0;background:none;color:#666;cursor:pointer}.modal-open{overflow:hidden}.narrow{max-width:820px}.legal-content h2{margin-top:38px}@media(max-width:900px){.hero-grid,.contact-grid,.product-grid,.tool-workspace,.generator-grid{grid-template-columns:1fr}.feature-grid,.kit-grid{grid-template-columns:1fr}.three-up{grid-template-columns:1fr 1fr}}@media(max-width:700px){.container{width:calc(100% - 28px)}.menu-toggle{display:block}.main-nav{position:absolute;display:none;top:65px;left:14px;right:14px;padding:15px;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:14px}.main-nav.open{display:flex}.hero{padding:65px 0}.section{padding:60px 0}.section-head{flex-direction:column;align-items:start}.three-up,.footer-grid{grid-template-columns:1fr}.actions .btn{width:100%}}



/* Tool pages */
.tool-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .field.full{grid-column:1/-1}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:#444}
.field input,.field textarea,.field select{
  width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--border);
  border-radius:10px;font:inherit;background:#fff
}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:#151515}
.tool-card .actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn.ghost{background:transparent;border:1px solid var(--border);color:#333}
.results{margin-top:24px}
.result-block{margin-bottom:20px;padding:18px;background:#f7f7f5;border:1px solid var(--border);border-radius:14px}
.result-block h3{margin:0 0 10px;font-size:16px}
.result-pre{white-space:pre-wrap;word-break:break-word;background:#151515;color:#eee;padding:16px;border-radius:10px;font-size:13px;line-height:1.5;overflow:auto}
.result-list{margin:0;padding-left:18px}
.result-list li{margin:6px 0}
.result-table{width:100%;border-collapse:collapse}
.result-table th,.result-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);font-size:14px}
.result-table th{width:45%;color:#666;font-weight:600}
.copy-btn{margin-top:10px}
.error{color:#b00020}
.palette-row{display:flex;flex-wrap:wrap;gap:10px}
.swatch{width:88px;height:72px;border-radius:10px;display:flex;align-items:flex-end;padding:8px;color:#fff;font-size:11px;font-weight:700;text-shadow:0 1px 2px #0008;border:1px solid #0001}
.md-preview{padding:12px;background:#fff;border-radius:10px;border:1px solid var(--border)}
@media(max-width:700px){.form-grid{grid-template-columns:1fr}}

/* Sticky right Support rail */
.support-rail{
  position:fixed;
  top:50%;
  right:0;
  transform:translateY(-50%);
  z-index:50;
  width:200px;
  background:#151515;
  color:#fff;
  border-radius:14px 0 0 14px;
  box-shadow:-6px 0 24px rgba(0,0,0,.18);
  padding:18px 16px 16px;
  transition:transform .25s ease, width .25s ease;
}
.support-rail-body{display:flex;flex-direction:column;gap:8px}
.support-rail-label{
  font-size:10px;font-weight:800;letter-spacing:.14em;color:#999
}
.support-rail strong{font-size:15px;line-height:1.25}
.support-rail p{margin:0;font-size:12px;color:#bbb;line-height:1.4}
.support-rail-btn{
  width:100%;min-height:40px;font-size:13px;
  background:#fff;color:#151515;border-color:#fff;margin-top:4px
}
.support-rail-btn:hover{background:#eee}
.support-rail-close{
  position:absolute;top:6px;right:8px;border:0;background:none;
  color:#888;font-size:20px;cursor:pointer;line-height:1
}
.support-rail-close:hover{color:#fff}
.support-rail-tab{
  display:none;position:absolute;left:-40px;top:50%;transform:translateY(-50%);
  width:40px;height:40px;border:0;border-radius:10px 0 0 10px;
  background:#151515;color:#fff;font-size:18px;cursor:pointer;
  box-shadow:-4px 0 12px rgba(0,0,0,.15)
}
.support-rail.is-collapsed{
  transform:translateY(-50%) translateX(100%);
  box-shadow:none
}
.support-rail.is-collapsed .support-rail-tab{display:block}
.support-rail.is-collapsed .support-rail-body,
.support-rail.is-collapsed .support-rail-close{visibility:hidden}

@media(max-width:900px){
  .support-rail{width:170px;padding:14px 12px}
}
@media(max-width:700px){
  .support-rail{
    top:auto;bottom:16px;right:12px;transform:none;
    width:auto;max-width:calc(100% - 24px);
    border-radius:14px;padding:12px 14px
  }
  .support-rail.is-collapsed{
    transform:translateX(calc(100% + 20px))
  }
  .support-rail-tab{
    left:auto;right:100%;top:50%;margin-right:0;
    border-radius:10px 0 0 10px
  }
  .support-rail p{display:none}
}

/* Kit recommendation on tool pages */
.kit-rec-section{padding-top:20px}
.kit-rec-card{
  background:#fff;border:1px solid var(--border);border-radius:18px;padding:28px;
  max-width:720px
}
.kit-rec-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.kit-rec-price{font-weight:800;font-size:18px}
.kit-rec-card h2{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#777;margin:0 0 6px;font-weight:800}
.kit-rec-card h3{font-size:22px;margin:0 0 10px;letter-spacing:-.02em}
.kit-rec-card p{color:var(--muted);margin:0 0 18px}