/* ==========================================================================
   Sterifag Stain Doctor
   Palette taken straight from the logo:
     blue   #1C75BC   green  #9FBF3C   grey   #808083
   ========================================================================== */

:root{
  /* brand */
  --blue:#1C75BC;
  --blue-600:#1A6AAB;
  --blue-400:#4FA6E8;
  --blue-300:#7FC0F2;
  --green:#9FBF3C;
  --green-400:#B4D84A;
  --green-300:#CBE87A;

  /* surfaces — navy mixed from the logo blue, not a generic slate */
  --bg:#061627;
  --bg-2:#0A2137;
  --card:#0E2B46;
  --raise:#15385A;
  --line:#1C4870;
  --line-soft:rgba(127,192,242,.14);

  /* ink */
  --ink:#EAF3FB;
  --ink-dim:#A9C2D9;
  --ink-mute:#7190AD;

  --warn:#F5B93C;
  --wa:#25A65B;

  /* geometry — generously rounded throughout */
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;

  --font:'Montserrat','Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 18px 44px -20px rgba(0,0,0,.75);

  /* ---- liquid glass ----
     Three ingredients make glass read as glass rather than as grey:
     a translucent fill, a real blur of whatever sits behind it, and a
     specular edge — bright along the top, dark along the bottom, as if
     light were catching a bevel. */
  --glass-fill:rgba(255,255,255,.055);
  --glass-blur:saturate(160%) blur(20px);
  --glass-edge:rgba(255,255,255,.11);
  --glass-spec:inset 0 1px 0 rgba(255,255,255,.2);
  --glass-lift:0 10px 30px -18px rgba(0,0,0,.6);
}

/* The glass recipe itself, shared by every panel. */
.glass{
  background:var(--glass-fill);
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border:1px solid var(--glass-edge);
  box-shadow:var(--glass-spec), var(--glass-lift);
}

/* Older browsers get a solid panel rather than a washed-out one. */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .glass{background:var(--card)}
}

/* Someone who has asked the OS for less transparency, or for less motion,
   gets a calm opaque version. */
@media (prefers-reduced-transparency:reduce){
  .glass{background:var(--card);-webkit-backdrop-filter:none;backdrop-filter:none}
}
@media (prefers-reduced-motion:reduce){
  .screen{animation:none}
  .btn,.opts label{transition:none}
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 660px at 50% -14%, rgba(28,117,188,.38), transparent 64%),
    radial-gradient(760px 520px at 108% 106%, rgba(159,191,60,.13), transparent 62%),
    var(--bg);
  background-attachment:fixed;
  color:var(--ink);
  font:400 16px/1.6 var(--font);
  letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  padding-bottom:env(safe-area-inset-bottom);
}
.wrap{max-width:640px;margin:0 auto;padding:20px 16px 60px}

/* Typography housekeeping for narrow screens: headings break into even
   lines, body copy avoids a single word on the last line, and nothing
   long (a chemical name, a URL) can push a box wider than the screen. */
h1,h2,h3,.q-label{text-wrap:balance}
p,li,blockquote,.teaser,.lede,.kit-why{text-wrap:pretty}
p,li,blockquote,.teaser,.kit-why,.kit-name{overflow-wrap:break-word}
.facts b,.facts span,.pill,.tags li{overflow-wrap:normal;hyphens:none}
.micro,.foot-note,.status,.alts{text-wrap:balance}

/* ---------- header ---------- */
.head{
  display:flex;align-items:center;justify-content:center;gap:12px;
  margin:0 -4px 26px;padding:10px 14px;border-radius:999px;
  position:sticky;top:8px;z-index:20;
  background:rgba(255,255,255,.055);
  -webkit-backdrop-filter:saturate(170%) blur(18px);backdrop-filter:saturate(170%) blur(18px);
  border:1px solid rgba(255,255,255,.13);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18), 0 6px 20px -14px rgba(0,0,0,.55);
}
.logo{height:46px;width:auto;display:block;margin:0 auto}
.print-logo{display:none}
.kiosk-tag{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:11px;font-weight:600;padding:8px 13px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);color:var(--ink-dim);
  background:rgba(255,255,255,.07);white-space:nowrap;
}
/* on a narrow phone the badge would overlap a centred logo, so it hides */
@media(max-width:420px){.kiosk-tag{display:none}}

/* ---------- screens ---------- */
.screen{display:none;animation:rise .42s cubic-bezier(.32,.72,0,1) both}
.screen.is-active{display:block}
@keyframes rise{from{opacity:0;transform:translateY(10px) scale(.994)}to{opacity:1;transform:none}}

/* ---------- hero ---------- */
.eyebrow{
  display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:#0A2137;background:var(--green-400);
  padding:7px 13px;border-radius:999px;margin:0 0 20px;
}
.hero h1{
  font-size:clamp(44px,13.5vw,66px);line-height:.93;margin:0 0 18px;
  font-weight:800;letter-spacing:-.035em;
}
.hero h1 span{display:block;color:var(--blue-400)}
.lede{color:var(--ink-dim);font-size:16.5px;margin:0 0 32px;max-width:46ch}
.trust{
  list-style:none;display:grid;gap:9px;padding:0;margin:32px 0 0;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
}
.trust li{
  font-size:12px;color:var(--ink-dim);text-align:center;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:9px 14px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14);
}
.trust b{color:var(--green-300);font-size:13px;font-weight:700}
.foot-note{color:var(--ink-mute);font-size:12.5px;margin-top:30px;line-height:1.75}
/* a phone number or an email is one unit — never broken across two lines */
.nb{white-space:nowrap}

/* ---------- buttons ---------- */
.btn{
  -webkit-appearance:none;appearance:none;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:11px;
  width:100%;padding:18px 22px;border-radius:var(--r-md);
  font:600 16.5px/1 var(--font);letter-spacing:-.01em;
  text-decoration:none;margin-bottom:12px;
  transition:transform .18s cubic-bezier(.32,.72,0,1), filter .2s, background .2s;
}
.btn:active{transform:scale(.965)}
.btn svg{
  width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round;flex:none;
}
.btn-primary{
  background:var(--blue);color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22), 0 8px 22px -12px rgba(28,117,188,.8);
}
.btn-primary:hover{filter:brightness(1.08)}
.btn-scan{padding:22px;font-size:18px;font-weight:700;border-radius:var(--r-lg)}
.btn-ghost{
  background:var(--glass-fill);color:var(--ink);
  border:1px solid var(--glass-edge);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  box-shadow:var(--glass-spec);
}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-link{background:none;color:var(--ink-mute);font-weight:500;font-size:14.5px;
  padding:15px;min-height:48px}
.btn-wa{background:var(--wa);color:#fff;border-radius:var(--r-md)}

/* ---------- loading ---------- */
.loader{text-align:center;padding:34px 0}
.scanner{
  position:relative;width:min(304px,78vw);aspect-ratio:1;margin:0 auto 28px;
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--glass-edge);background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  box-shadow:var(--glass-spec), var(--glass-lift);
}
.scanner img{width:100%;height:100%;object-fit:cover;opacity:.6}
.scanline{
  position:absolute;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--green-400),transparent);
  box-shadow:0 0 26px 6px rgba(180,216,74,.5);
  animation:sweep 1.7s ease-in-out infinite;
}
@keyframes sweep{0%{top:4%}50%{top:94%}100%{top:4%}}
.status{color:var(--ink-dim);font-size:15px;min-height:24px;font-weight:500}

/* ---------- guided questions ---------- */
.sec-title{font-size:27px;font-weight:700;letter-spacing:-.028em;margin:0 0 24px}
.q{margin-bottom:28px}
.q-label{font-size:15px;font-weight:600;margin:0 0 13px}
.opts{display:grid;gap:10px}
.opts label{
  display:flex;align-items:center;gap:13px;padding:16px 17px;cursor:pointer;
  min-height:56px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-sm);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.13);
  font-size:15px;transition:border-color .18s, background .18s, transform .14s;
}
.opts label:active{transform:scale(.985)}
.opts input{accent-color:var(--green);width:19px;height:19px;flex:none}
.opts label:has(input:checked){border-color:var(--green);background:rgba(159,191,60,.12)}

/* ---------- verdict ---------- */
.verdict{
  background:var(--glass-fill);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  border:1px solid var(--glass-edge);border-radius:var(--r-xl);padding:24px;margin-bottom:16px;
  box-shadow:var(--glass-spec), var(--glass-lift);
}
.verdict-top{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pill{
  font-size:10px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;
  background:var(--green-400);color:#0A2137;border-radius:999px;padding:7px 12px;
  white-space:nowrap;
}
.pill-quiet{background:rgba(255,255,255,.07);color:var(--ink-dim);font-weight:600}
.verdict h2{font-size:31px;font-weight:700;margin:0 0 7px;letter-spacing:-.032em;line-height:1.08}
.verdict-sub{color:var(--blue-300);font-size:14px;margin:0 0 18px;font-weight:500}
blockquote{
  margin:0 0 20px;padding:15px 17px;background:rgba(0,0,0,.24);
  border-left:3px solid var(--green);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-dim);font-size:14.5px;font-style:italic;
}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(88px,1fr));gap:10px;margin-bottom:18px}
.facts>div{
  background:rgba(0,0,0,.2);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-sm);padding:12px 14px;min-width:0;
  display:flex;flex-direction:column;align-items:flex-start;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
}
.facts b{align-self:stretch}

/* Inside a plan card the values are sentences ("40 °C; oxygen bleach works
   best at 50-60 °C"), not words — side-by-side tiles leave one twice the
   height of the other, so these stack as full-width rows instead. */
.card .facts{grid-template-columns:1fr;gap:9px}

/* On the verdict, two tiles fit a phone comfortably; the third takes its own
   row because the outlook arrives as a phrase, not a word. */
.verdict .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
.verdict .facts>div:last-child{grid-column:1/-1}
@media(min-width:560px){
  .verdict .facts{grid-template-columns:repeat(3,minmax(0,1fr))}
  .verdict .facts>div:last-child{grid-column:auto}
}
.facts span{
  display:block;font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink-mute);margin-bottom:6px;font-weight:600;white-space:nowrap;
}
.facts b{font-size:14px;font-weight:600;line-height:1.45}
#r-class2,#r-diff,#r-outlook{text-transform:capitalize}
.teaser{font-size:16px;color:var(--ink);margin:0;font-weight:500;line-height:1.6}
.alts{font-size:12.5px;color:var(--ink-mute);margin:15px 0 0}

/* ---------- locked ---------- */
.locked{
  background:var(--glass-fill);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  border:1px solid var(--glass-edge);border-radius:var(--r-xl);padding:24px;
  box-shadow:var(--glass-spec), var(--glass-lift);
}
.locked-head{display:flex;align-items:center;gap:12px;margin-bottom:17px}
.locked-head svg{
  width:23px;height:23px;fill:none;stroke:var(--green-400);stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;
}
.locked-head p{margin:0;font-weight:700;font-size:17.5px;letter-spacing:-.02em}
.locked-list{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:9px}
.locked-list li{font-size:14px;color:var(--ink-dim);padding-left:25px;position:relative}
.locked-list li::before{
  content:"";position:absolute;left:4px;top:7px;width:7px;height:7px;
  border-radius:50%;background:var(--green);
}
.blurred{
  position:relative;margin-bottom:20px;border-radius:var(--r-sm);overflow:hidden;
  background:rgba(0,0,0,.24);padding:15px 17px;
}
.blurred p{margin:0;font-size:14px;color:var(--ink-dim);filter:blur(4.4px);user-select:none}
.micro{font-size:12px;color:var(--ink-mute);text-align:center;margin:11px 0 0}

/* ---------- form ---------- */
.row{display:grid;gap:13px;grid-template-columns:1fr 1fr}
@media(max-width:460px){.row{grid-template-columns:1fr}}
.fld{display:block;margin-bottom:14px}
.fld>span{display:block;font-size:12.5px;color:var(--ink-dim);margin-bottom:8px;
  font-weight:600;line-height:1.4}
.fld input,.fld select,.fld textarea{
  width:100%;padding:16px;font:400 16px var(--font);color:var(--ink);
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.13);border-radius:var(--r-sm);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14);
  -webkit-appearance:none;transition:border-color .18s, box-shadow .18s;
}
.fld select{
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-mute) 50%),
    linear-gradient(135deg,var(--ink-mute) 50%,transparent 50%);
  background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:42px;
}
.fld input:focus,.fld select:focus,.fld textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(159,191,60,.2);
}
.fld.has-error input,.fld.has-error select{border-color:#F4776B}
.chips{border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);padding:16px;margin:8px 0 18px}
.chips legend{font-size:12.5px;color:var(--ink-dim);padding:0 8px;font-weight:600}
.chips label{
  display:inline-flex;align-items:center;gap:8px;margin:5px 7px 5px 0;
  padding:12px 15px;min-height:44px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);box-shadow:inset 0 1px 0 rgba(255,255,255,.13);
  border-radius:999px;font-size:13.5px;cursor:pointer;transition:border-color .18s, background .18s;
}
.chips input{accent-color:var(--green);width:16px;height:16px}
.chips label:has(input:checked){border-color:var(--green);background:rgba(159,191,60,.14)}
.consent{
  display:flex;gap:12px;align-items:flex-start;font-size:13px;color:var(--ink-dim);
  margin:6px 0 20px;line-height:1.55;text-wrap:pretty;
}
.consent span{min-width:0}
.consent input{accent-color:var(--green);width:19px;height:19px;flex:none;margin-top:1px}
.form-error{
  background:rgba(244,119,107,.12);border:1px solid rgba(244,119,107,.42);
  color:#FFC0B8;padding:13px 15px;border-radius:var(--r-sm);font-size:14px;margin:0 0 14px;
}

/* ---------- plan ---------- */
.plan-head{margin-bottom:20px}
.plan-head h2{font-size:29px;font-weight:700;margin:0 0 7px;letter-spacing:-.032em}
.card{
  background:var(--glass-fill);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  border:1px solid var(--glass-edge);border-radius:var(--r-xl);padding:22px;margin-bottom:14px;
  box-shadow:var(--glass-spec), var(--glass-lift);
}
.card h3{
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--green-400);
  margin:0 0 16px;font-weight:700;
}
.card-warn{border-color:rgba(245,185,60,.42);background:rgba(245,185,60,.07)}
.card-warn h3{color:var(--warn)}
.label-sm{
  font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);
  margin:17px 0 10px;font-weight:600;
}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0}
.tags li{
  font-size:13px;background:rgba(159,191,60,.12);border:1px solid rgba(159,191,60,.34);
  color:var(--green-300);border-radius:999px;padding:8px 14px;
}
.steps{margin:0;padding:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:0 0 18px 46px;font-size:15px;
  line-height:1.62;min-width:0}
.steps li:last-child{padding-bottom:0}
.steps li::before{
  content:counter(s);position:absolute;left:0;top:-2px;width:30px;height:30px;
  border-radius:50%;background:linear-gradient(180deg,var(--blue-400),var(--blue));
  color:#fff;font-size:13.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.steps li::after{content:"";position:absolute;left:14.5px;top:33px;bottom:6px;width:1px;background:var(--line)}
.steps li:last-child::after{display:none}
.cautions{margin:0;padding:0;list-style:none}
.cautions li{position:relative;padding:0 0 13px 27px;font-size:14.5px;color:#FFE7BC;line-height:1.58}
.cautions li:last-child{padding-bottom:0}
.cautions li::before{
  content:"!";position:absolute;left:0;top:1px;width:18px;height:18px;
  border-radius:50%;border:1.5px solid var(--warn);color:var(--warn);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.card-kit .kit{padding:15px 0;border-top:1px solid var(--line-soft)}
.card-kit .kit:first-child{border-top:0;padding-top:0}
.card-kit .kit-name{font-weight:700;font-size:15.5px;margin:0 0 6px;letter-spacing:-.015em;line-height:1.35}
.card-kit .kit-why{margin:0;font-size:14px;color:var(--ink-dim);line-height:1.58}
.card-kit .kit-link{
  display:inline-block;margin-top:9px;font-size:13px;font-weight:600;
  color:var(--green-300);text-decoration:none;
}
.card-kit .kit-link:hover{text-decoration:underline}
.plan-cta{margin-top:24px}

/* ---------- print ---------- */
@page{margin:14mm 12mm}

@media print{
  /* This screen is designed for a dark phone. On paper every colour has to be
     re-declared: anything left on a light ink is invisible on white, which is
     exactly what went wrong before. */
  *{
    -webkit-print-color-adjust:exact;print-color-adjust:exact;
    box-shadow:none!important;
    -webkit-backdrop-filter:none!important;backdrop-filter:none!important;
  }
  html,body{background:#fff!important;color:#12283D!important}
  .wrap{max-width:none;padding:0}

  /* screen furniture that has no business on paper */
  .head,.locked,.plan-cta,.blurred,.eyebrow,.screen:not(#s-plan){display:none!important}

  /* the logo, in its full-colour form, as a letterhead */
  .print-logo{display:block!important;height:46px;width:auto;margin:0 0 18px}

  .plan-head{border-bottom:2px solid #1C75BC;padding-bottom:12px;margin-bottom:20px}
  .plan-head h2{color:#12283D!important;font-size:24px}
  .verdict-sub,.plan-head .verdict-sub{color:#1C75BC!important}

  .card,.verdict{
    background:#fff!important;border:1px solid #D8E2EC!important;
    border-radius:14px;padding:16px 18px;margin-bottom:12px;break-inside:avoid;
  }
  .card h3{color:#1C75BC!important;font-size:10px}
  .card-warn{background:#FFFBF2!important;border-color:#F2D79A!important}
  .card-warn h3{color:#96660A!important}

  .facts>div{background:#F3F7FB!important;border-color:#DDE6EF!important}
  .facts span{color:#6C8099!important}
  .facts b,.teaser,.steps li,.kit-name{color:#12283D!important}
  .kit-why,blockquote{color:#465C75!important}
  blockquote{background:#F3F7FB!important;border-left-color:#9FBF3C!important}

  .tags li{background:#F2F7E5!important;border-color:#D2E39C!important;color:#54691B!important}
  .steps li::before{background:#1C75BC!important;color:#fff!important}
  .steps li::after{background:#DDE6EF!important}
  .cautions li{color:#7A5308!important}
  .cautions li::before{border-color:#96660A!important;color:#96660A!important}
  .card-kit .kit{border-top-color:#E1E9F2!important}
  .card-kit .kit-link{display:none!important}
  .foot-note,.micro,.label-sm{color:#6C8099!important}

  a{color:#1C75BC!important;text-decoration:none}
}