/* BioHydroH2O — Shared Forms Stylesheet
   Co-branded intake forms (Purchase/Order, Warranty Registration,
   Financing Pre-Qualification, Filter Re-Order).
   Reuses the brand tokens from the main site (index.html) so these
   pages feel like one continuous experience, not a bolt-on. */

:root{
  --bio-dark:#14275F;
  --bio-light:#1A56C0;
  --hydro-blue:#0077BE;
  --hydro-light:#1C5FD4;
  --charcoal:#231F20;
  --white:#FFFFFF;
  --mist:#F3F7FC;
  --line:#E1E8F2;
  --amber:#8A5A00;
  --amber-bg:#FFF6E5;
  --amber-line:#F0D9A6;
  --max-w:880px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:'Inter',system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--charcoal);background:var(--mist);line-height:1.55;}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font-family:inherit;}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 24px;}

/* Header — matches main site */
.f-header{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(20,39,95,.05);}
.f-header .wrap{max-width:1180px;display:flex;align-items:center;gap:18px;padding:16px 24px;flex-wrap:wrap;}
.f-header .logo-img{height:58px;width:auto;flex:none;}
.f-header .vws-badge{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;color:#5A6472;background:var(--mist);border:1px solid var(--line);padding:8px 14px;border-radius:999px;}
.f-header .vws-badge b{color:var(--bio-dark);}
.f-breadcrumb{font-size:13px;color:#8891A0;padding:14px 0 0;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;}
.f-breadcrumb a{color:var(--hydro-blue);text-decoration:none;font-weight:700;}

main.f-main{padding:28px 0 80px;}

.f-title-block{margin-bottom:26px;}
.f-eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--hydro-blue);background:rgba(0,119,190,.08);border:1px solid rgba(0,119,190,.25);padding:6px 13px;border-radius:999px;margin-bottom:14px;}
h1.f-title{font-size:clamp(24px,3.6vw,32px);font-weight:900;letter-spacing:-.02em;color:var(--bio-dark);margin:0 0 10px;}
.f-sub{font-size:15.5px;color:#54606E;margin:0;max-width:640px;}

/* Disclaimer banner — the load-bearing legal element on every form */
.f-disclaimer{background:var(--amber-bg);border:1px solid var(--amber-line);border-radius:14px;padding:18px 20px;margin:22px 0 30px;display:flex;gap:14px;}
.f-disclaimer .ic{flex:none;width:22px;height:22px;margin-top:1px;}
.f-disclaimer .ic svg{width:100%;height:100%;}
.f-disclaimer h4{margin:0 0 6px;font-size:14px;font-weight:800;color:var(--amber);}
.f-disclaimer p{margin:0;font-size:13.5px;color:#6B5424;line-height:1.55;}
.f-disclaimer p + p{margin-top:8px;}
.f-disclaimer strong{color:#4A3A00;}

/* Card / form shell */
.f-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 2px 10px rgba(20,39,95,.04);padding:32px;margin-bottom:24px;}
.f-card h2.f-section-h{font-size:16px;font-weight:800;color:var(--bio-dark);margin:0 0 4px;}
.f-card .f-section-sub{font-size:13px;color:#8891A0;margin:0 0 18px;}
.f-card + .f-card{margin-top:0;}
.f-section{padding-top:26px;margin-top:26px;border-top:1px solid var(--line);}
.f-section:first-child{padding-top:0;margin-top:0;border-top:none;}

/* Field grid */
.f-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.f-grid.f-grid-3{grid-template-columns:repeat(3,1fr);}
@media (max-width:640px){.f-grid,.f-grid.f-grid-3{grid-template-columns:1fr;}}
.f-field{display:flex;flex-direction:column;gap:6px;}
.f-field.f-span-2{grid-column:span 2;}
@media (max-width:640px){.f-field.f-span-2{grid-column:span 1;}}
.f-field label{font-size:13px;font-weight:700;color:var(--bio-dark);}
.f-field .f-hint{font-size:12px;font-weight:500;color:#8891A0;}
.f-field label .req{color:#B4282F;margin-left:2px;}
.f-field input[type=text],
.f-field input[type=email],
.f-field input[type=tel],
.f-field input[type=date],
.f-field input[type=number],
.f-field select,
.f-field textarea{
  font-family:inherit;font-size:14.5px;color:var(--charcoal);
  border:1.5px solid var(--line);border-radius:10px;padding:11px 13px;
  background:#fff;transition:border-color .15s ease, box-shadow .15s ease;width:100%;
}
.f-field textarea{resize:vertical;min-height:80px;}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{
  outline:none;border-color:var(--hydro-blue);box-shadow:0 0 0 3px rgba(0,119,190,.12);
}
.f-field input:invalid:not(:placeholder-shown),
.f-field.f-error input,.f-field.f-error select,.f-field.f-error textarea{border-color:#C4373E;}

/* Radio / checkbox groups */
.f-choice-row{display:flex;gap:10px;flex-wrap:wrap;}
.f-choice{flex:1 1 auto;position:relative;}
.f-choice input{position:absolute;opacity:0;inset:0;cursor:pointer;}
.f-choice span{display:block;text-align:center;font-size:13.5px;font-weight:700;color:#5A6472;background:var(--mist);border:1.5px solid var(--line);border-radius:10px;padding:12px 10px;transition:all .15s ease;cursor:pointer;}
.f-choice input:checked + span{background:rgba(0,119,190,.08);border-color:var(--hydro-blue);color:var(--bio-dark);}
.f-choice input:focus-visible + span{box-shadow:0 0 0 3px rgba(0,119,190,.18);}

.f-check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:#42505E;}
.f-check-line input{margin-top:3px;flex:none;width:16px;height:16px;accent-color:var(--hydro-blue);}
.f-check-line label{font-weight:500;}
.f-check-line b{color:var(--bio-dark);}

/* Order line items */
.f-lineitems{width:100%;border-collapse:collapse;font-size:14px;}
.f-lineitems th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:#8891A0;font-weight:800;padding:0 8px 8px;border-bottom:1.5px solid var(--line);}
.f-lineitems td{padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top;}
.f-lineitems td.f-num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;}
.f-lineitems tfoot td{border-bottom:none;font-weight:800;color:var(--bio-dark);padding-top:14px;}
.f-lineitems input{border:none;background:transparent;width:100%;font-size:14px;padding:4px;}
.f-lineitems input.f-num{text-align:right;font-variant-numeric:tabular-nums;}
.f-lineitems input:focus{outline:none;background:var(--mist);border-radius:6px;}
.f-placeholder-tag{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#8A5A00;background:#FFF6E5;border:1px solid #F0D9A6;border-radius:5px;padding:2px 7px;margin-left:6px;}

/* Signature capture */
.f-sig-wrap{border:1.5px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;}
.f-sig-pad{display:block;width:100%;height:150px;touch-action:none;background:
    repeating-linear-gradient(transparent,transparent 39px, var(--line) 39px, var(--line) 40px);
  cursor:crosshair;}
.f-sig-toolbar{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--mist);border-top:1px solid var(--line);}
.f-sig-toolbar span{font-size:11.5px;color:#8891A0;}
.f-sig-clear{font-size:12.5px;font-weight:700;color:var(--hydro-blue);background:none;border:none;cursor:pointer;padding:4px 8px;}
.f-sig-clear:hover{text-decoration:underline;}
.f-sig-meta{font-size:11.5px;color:#8891A0;margin-top:8px;}

/* Buttons */
.f-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:15px;padding:15px 28px;border-radius:999px;text-decoration:none;transition:transform .15s ease, box-shadow .15s ease;border:2px solid transparent;cursor:pointer;}
.f-btn-primary{background:var(--hydro-blue);color:#fff;width:100%;}
.f-btn-primary:hover{background:var(--hydro-light);transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.15);}
.f-btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.f-btn-outline{border-color:var(--bio-dark);color:var(--bio-dark);background:transparent;}
.f-btn-outline:hover{background:var(--bio-dark);color:#fff;}
.f-actions{margin-top:6px;}
.f-error-msg{color:#C4373E;font-size:13px;font-weight:700;margin-top:10px;text-align:center;display:none;}
.f-error-msg.show{display:block;}

/* Confirmation state */
.f-confirm{display:none;text-align:center;padding:20px 8px 10px;}
.f-confirm.show{display:block;}
.f-confirm .f-check-icon{width:56px;height:56px;border-radius:50%;background:rgba(0,119,190,.1);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;color:var(--hydro-blue);}
.f-confirm h2{font-size:22px;font-weight:900;color:var(--bio-dark);margin:0 0 10px;}
.f-confirm p{font-size:14.5px;color:#54606E;max-width:480px;margin:0 auto 8px;}
.f-confirm .f-ref{font-size:13px;color:#8891A0;margin-top:16px;}
.f-form-body.hide{display:none;}

/* Footer disclaimer strip */
.f-footer{border-top:1px solid var(--line);background:#fff;padding:26px 0 40px;margin-top:20px;}
.f-footer p{font-size:12px;color:#8891A0;max-width:820px;margin:0 auto;text-align:center;line-height:1.6;}
.f-footer a{color:var(--hydro-blue);font-weight:700;text-decoration:none;}

/* Draft watermark tag for placeholder legal copy */
.f-draft-box{background:#fff;border:1.5px dashed var(--amber-line);border-radius:12px;padding:16px 18px;font-size:13px;color:#42505E;max-height:260px;overflow-y:auto;}
.f-draft-box h5{margin:14px 0 4px;font-size:12.5px;font-weight:800;color:var(--bio-dark);}
.f-draft-box h5:first-child{margin-top:0;}
.f-draft-box p{margin:0 0 8px;}

/* Hub page cards */
.f-hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media (max-width:640px){.f-hub-grid{grid-template-columns:1fr;}}
.f-hub-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 2px 10px rgba(20,39,95,.04);text-decoration:none;display:block;transition:transform .15s ease, box-shadow .15s ease;}
.f-hub-card:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(20,39,95,.1);}
.f-hub-card .f-hub-icon{width:42px;height:42px;border-radius:11px;background:rgba(0,119,190,.1);color:var(--hydro-blue);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.f-hub-card h3{font-size:16.5px;font-weight:800;color:var(--bio-dark);margin:0 0 6px;}
.f-hub-card p{font-size:13.5px;color:#5A6472;margin:0;}
.f-hub-card .f-hub-cta{font-size:13px;font-weight:700;color:var(--hydro-blue);margin-top:14px;display:block;}