/* AdPlug — design system */
:root{
  --ink:#0a1628;
  --ink-soft:#3d4f6b;
  --ink-muted:#7a8ba8;
  --paper:#f4f6fa;
  --white:#ffffff;
  --line:#e2e7f0;
  --line-soft:#edf0f7;
  --signal:#1a63e8;
  --signal-deep:#0f47c0;
  --signal-light:#e8effe;
  --lime:#bef500;
  --ok:#0ea865;
  --warn-bg:#fefce8;
  --warn-line:#f0d84a;
  --info-bg:#eff4ff;
  --info-line:#c5d4f6;

  --shadow-xs:0 1px 2px rgba(10,22,40,.06);
  --shadow-sm:0 1px 3px rgba(10,22,40,.07),0 4px 12px rgba(10,22,40,.06);
  --shadow-md:0 2px 6px rgba(10,22,40,.07),0 8px 28px rgba(10,22,40,.09);
  --shadow-lg:0 4px 12px rgba(10,22,40,.09),0 20px 48px rgba(10,22,40,.13);

  --r:12px;
  --r-sm:8px;
  --maxw:1100px;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --ease:cubic-bezier(.22,.68,0,1.2);
}

/* ── Reset & base ──────────────────────────────────────── */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--ink);
  background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased;
  font-size:16px;
}
a{color:var(--signal);text-decoration:none;transition:color .15s}
a:hover{color:var(--signal-deep);text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ── Header ────────────────────────────────────────────── */
header.site{
  position:sticky;top:0;z-index:40;
  background:rgba(244,246,250,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}

/* Brand mark */
.brand{display:flex;align-items:center;gap:9px;font-weight:750;letter-spacing:-.03em;
  color:var(--ink);font-size:1.08rem;flex-shrink:0}
.brand:hover{text-decoration:none;color:var(--signal)}
.mark{
  width:28px;height:28px;border-radius:8px;
  background:linear-gradient(135deg,var(--ink) 0%,#1e3054 100%);
  position:relative;flex:none;
  box-shadow:0 1px 3px rgba(10,22,40,.25);
}
.mark::before{
  content:"";position:absolute;
  top:7px;left:6px;right:6px;height:3px;
  background:var(--lime);border-radius:2px;
}
.mark::after{
  content:"";position:absolute;
  left:6px;bottom:7px;width:6px;height:8px;
  background:var(--signal);border-radius:2px;
  box-shadow:8px 0 0 rgba(255,255,255,.55);
}

nav .links{display:flex;gap:4px;align-items:center}
nav .links a{
  color:var(--ink-soft);font-size:.91rem;font-weight:500;
  padding:6px 11px;border-radius:7px;transition:background .15s,color .15s;
}
nav .links a:hover{background:var(--line-soft);color:var(--ink);text-decoration:none}

/* Buttons */
.btn{
  display:inline-block;cursor:pointer;font-family:inherit;
  background:linear-gradient(160deg,var(--signal) 0%,var(--signal-deep) 100%);
  color:#fff;padding:10px 20px;border-radius:10px;
  font-weight:600;font-size:.91rem;
  border:1px solid var(--signal-deep);
  box-shadow:0 1px 2px rgba(10,22,40,.12),0 0 0 0 rgba(26,99,232,.4);
  transition:transform .15s var(--ease),box-shadow .15s,filter .15s;
  letter-spacing:-.01em;
}
.btn:hover{
  color:#fff;filter:brightness(1.08);text-decoration:none;
  transform:translateY(-1px);
  box-shadow:0 4px 14px rgba(26,99,232,.35);
}
.btn:active{transform:translateY(0);filter:brightness(.97)}
.btn.ghost{
  background:var(--white);color:var(--ink);
  border-color:var(--line);
  box-shadow:var(--shadow-xs);
}
.btn.ghost:hover{background:var(--line-soft);border-color:var(--ink-muted);filter:none}

/* ── Hero ──────────────────────────────────────────────── */
.hero{
  padding:96px 0 72px;
  background:
    radial-gradient(ellipse 900px 500px at 85% -5%, rgba(26,99,232,.12) 0%, transparent 65%),
    radial-gradient(ellipse 600px 350px at 5% 110%, rgba(26,99,232,.07) 0%, transparent 60%),
    linear-gradient(180deg, var(--white) 0%, var(--paper) 100%);
  border-bottom:1px solid var(--line);
}
.eyebrow{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--signal);margin:0 0 16px;display:flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";display:inline-block;width:16px;height:2px;background:var(--signal);border-radius:2px}
h1{
  font-size:clamp(2.2rem,5.5vw,3.6rem);line-height:1.04;
  letter-spacing:-.04em;margin:0 0 22px;font-weight:800;
  background:linear-gradient(135deg,var(--ink) 30%,#2a4a7f 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero p.lede{font-size:1.15rem;color:var(--ink-soft);max-width:58ch;margin:0 0 32px;line-height:1.7}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}

/* Metrics strip */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:60px}
.metric{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s,transform .2s;
}
.metric:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.metric .n{font-family:var(--mono);font-size:1.65rem;font-weight:700;letter-spacing:-.03em;color:var(--ink)}
.metric .n span{color:var(--signal)}
.metric .l{font-size:.84rem;color:var(--ink-muted);margin-top:5px;line-height:1.5}

/* ── Section defaults ──────────────────────────────────── */
section{padding:72px 0}
.sec-head{max-width:54ch;margin-bottom:44px}
.sec-head .eyebrow{margin-bottom:8px}
h2{font-size:clamp(1.65rem,3.5vw,2.3rem);letter-spacing:-.03em;margin:0 0 14px;font-weight:800;color:var(--ink)}
.sec-head p{color:var(--ink-soft);font-size:1rem;margin:0;line-height:1.7}
section.alt{background:var(--white);border-block:1px solid var(--line)}

/* ── Service cards ─────────────────────────────────────── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s,transform .2s,border-color .2s;
}
.step:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--info-line)}
.step .num{
  font-family:var(--mono);font-size:.73rem;color:var(--signal);font-weight:600;
  letter-spacing:.06em;
}
.step h3{margin:10px 0 8px;font-size:1.08rem;letter-spacing:-.015em;font-weight:700}
.step p{margin:0;color:var(--ink-soft);font-size:.93rem;line-height:1.65}

/* ── Disclaimer banner ─────────────────────────────────── */
.disclaimer{
  background:linear-gradient(135deg,#0d1f3c 0%,#1a2f50 100%);
  border-block:1px solid #0a172e;padding:56px 0;
}
.disclaimer .eyebrow{color:rgba(255,255,255,.5)}
.disclaimer .eyebrow::before{background:rgba(255,255,255,.3)}
.disclaimer .sec-head h2{
  color:#fff;font-size:clamp(1.4rem,2.8vw,2rem);margin:6px 0 0;
  -webkit-text-fill-color:#fff;background:none;
}
.disclaimer-body{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:28px}
.disclaimer-body p{
  margin:0;font-size:.95rem;color:rgba(255,255,255,.72);line-height:1.75;
  padding:20px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);border-radius:var(--r);
}

/* ── Pricing ───────────────────────────────────────────── */
section#pricing{background:var(--paper)}
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:8px}
.tier{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:24px;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);position:relative;
  transition:box-shadow .2s,transform .2s,border-color .2s;
}
.tier:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.tier.feature{
  border-color:var(--signal);
  box-shadow:0 0 0 1px var(--signal),var(--shadow-md);
  background:linear-gradient(160deg,#fafcff 0%,var(--white) 60%);
}
.tier.feature:hover{box-shadow:0 0 0 1px var(--signal),var(--shadow-lg)}
.tier .tag{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-muted);
}
.tier .badge{
  position:absolute;top:-12px;left:20px;
  background:linear-gradient(135deg,var(--signal) 0%,var(--signal-deep) 100%);
  color:#fff;font-size:.68rem;font-weight:700;letter-spacing:.07em;
  text-transform:uppercase;padding:4px 11px;border-radius:99px;
  box-shadow:0 2px 6px rgba(26,99,232,.4);
}
.tier h3{margin:8px 0 4px;font-size:1.1rem;letter-spacing:-.02em;font-weight:700}
.tier .price{
  font-family:var(--mono);font-size:1.85rem;font-weight:700;
  margin:12px 0 4px;letter-spacing:-.03em;color:var(--ink);
}
.tier .price small{font-size:.8rem;color:var(--ink-muted);font-weight:400;font-family:var(--sans)}
.tier .desc{color:var(--ink-soft);font-size:.88rem;margin:6px 0 16px;line-height:1.55}
.tier ul{
  list-style:none;padding:0;margin:0 0 24px;
  display:flex;flex-direction:column;gap:8px;flex:1;
}
.tier li{
  font-size:.87rem;padding-left:20px;position:relative;color:var(--ink-soft);line-height:1.5;
}
.tier li::before{
  content:"";position:absolute;left:0;top:6px;
  width:10px;height:6px;
  border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);
  transform:rotate(-45deg);
}
.tier .btn{margin-top:auto;text-align:center;width:100%}
.note{font-size:.83rem;color:var(--ink-muted);margin-top:20px;line-height:1.65}

/* Scope notice */
.scope-notice{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:20px 24px;margin-bottom:28px;
  font-size:.855rem;color:var(--ink-soft);line-height:1.7;
}
.scope-notice p{margin:0 0 8px}
.scope-notice p:last-child{margin-bottom:0}

/* Cancellation notice */
.cancel-notice{
  background:var(--info-bg);border:1px solid var(--info-line);border-radius:var(--r);
  padding:18px 22px;margin-top:14px;font-size:.855rem;color:var(--ink-soft);line-height:1.7;
}
.cancel-notice p{margin:0 0 8px}
.cancel-notice p:last-child{margin-bottom:0}

/* ── After-purchase steps ──────────────────────────────── */
.after-purchase{margin-top:60px;padding-top:52px;border-top:1px solid var(--line)}
.after-purchase .sec-head h3{
  font-size:1.55rem;margin:6px 0 0;letter-spacing:-.025em;font-weight:800;color:var(--ink);
}
.purchase-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.purchase-step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:22px 18px;box-shadow:var(--shadow-xs);
  display:flex;flex-direction:column;gap:10px;
  transition:box-shadow .2s,transform .2s;
}
.purchase-step:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.ps-num{
  font-family:var(--mono);font-size:.72rem;font-weight:700;color:var(--signal);
  background:var(--signal-light);border-radius:6px;
  padding:3px 8px;align-self:flex-start;letter-spacing:.04em;
}
.purchase-step p{margin:0;font-size:.875rem;color:var(--ink-soft);line-height:1.6}

/* ── Scope FAQ ─────────────────────────────────────────── */
.scope-faq{margin-top:60px;padding-top:52px;border-top:1px solid var(--line)}
.scope-faq .sec-head h3{font-size:1.55rem;margin:6px 0 0;letter-spacing:-.025em;font-weight:800;color:var(--ink)}
.faq-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--shadow-xs);
}
.faq{background:var(--white);border:none;border-bottom:1px solid var(--line)}
.faq:last-child,.faq:nth-last-child(2):nth-child(odd){border-bottom:none}
.faq summary{
  list-style:none;padding:17px 20px;font-size:.93rem;font-weight:600;
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;
  user-select:none;transition:background .15s,color .15s;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--line-soft)}
.faq summary::after{
  content:"+";font-size:1.1rem;font-weight:300;color:var(--ink-muted);
  flex-shrink:0;line-height:1;transition:transform .2s var(--ease),color .15s;
}
.faq[open] summary{background:var(--signal-light);color:var(--signal-deep)}
.faq[open] summary::after{transform:rotate(45deg);color:var(--signal)}
.faq p{
  margin:0;padding:14px 20px 20px;
  font-size:.88rem;color:var(--ink-soft);line-height:1.72;
  border-top:1px solid var(--line);background:var(--white);
}

/* ── Customer data guidance ────────────────────────────── */
.data-guidance{margin-top:52px;padding-top:44px;border-top:1px solid var(--line)}
.data-guidance .sec-head h3{font-size:1.4rem;margin:6px 0 0;letter-spacing:-.02em;font-weight:800;color:var(--ink)}
.data-guidance p{max-width:700px;font-size:.9rem;color:var(--ink-soft);line-height:1.75;margin:0 0 12px}

/* ── Generic content pages ─────────────────────────────── */
.page{padding:60px 0 80px;background:var(--white);border-bottom:1px solid var(--line)}
.page .wrap{max-width:740px}
.page h1{font-size:clamp(1.8rem,4vw,2.6rem);letter-spacing:-.035em;
  background:linear-gradient(135deg,var(--ink) 30%,#2a4a7f 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.page h2{font-size:1.2rem;margin-top:40px;letter-spacing:-.015em;font-weight:700;color:var(--ink)}
.page p,.page li{color:var(--ink-soft);line-height:1.75}
.page .updated{font-family:var(--mono);font-size:.78rem;color:var(--ink-muted)}

/* ── Contact ───────────────────────────────────────────── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:.84rem;font-weight:600;color:var(--ink)}
.field input,.field textarea{
  font-family:inherit;font-size:.94rem;padding:11px 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--paper);color:var(--ink);
  transition:border-color .15s,box-shadow .15s;
}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--signal);
  box-shadow:0 0 0 3px rgba(26,99,232,.12);
}
.info-card{
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r);padding:26px;
}
.info-card dt{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-muted);margin-top:16px;
}
.info-card dt:first-child{margin-top:0}
.info-card dd{margin:3px 0 0;font-size:.94rem;color:var(--ink-soft)}

/* ── Business identity bar ─────────────────────────────── */
.identity-bar{
  background:linear-gradient(135deg,#08152b 0%,#0f2040 100%);
  padding:48px 0;border-top:1px solid #0a172e;
}
.identity-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.identity-bar h3{
  font-size:.85rem;font-weight:700;color:rgba(255,255,255,.5);
  margin:0 0 14px;letter-spacing:.1em;text-transform:uppercase;
  font-family:var(--mono);
}
.identity-bar p{margin:0 0 8px;font-size:.9rem;color:rgba(255,255,255,.65);line-height:1.75}
.identity-bar a{color:rgba(255,255,255,.65);text-decoration:underline;text-underline-offset:2px}
.identity-bar a:hover{color:#fff}

/* ── Footer ────────────────────────────────────────────── */
footer.site{background:#060f1e;color:#8a9ab8;padding:52px 0 36px}
footer.site a{color:#8a9ab8;transition:color .15s}
footer.site a:hover{color:#fff;text-decoration:none}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:36px}
.foot-grid .brand{color:#fff}
.foot-col h4{
  font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:#4a5a78;margin:0 0 14px;font-family:var(--mono);
}
.foot-col a{display:block;font-size:.88rem;margin-bottom:9px;color:#8a9ab8}
.foot-bottom{
  border-top:1px solid #0e1d34;padding-top:22px;font-size:.8rem;color:#4a5a78;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ── Responsive ────────────────────────────────────────── */
@media(max-width:1020px){
  .tiers{grid-template-columns:repeat(2,1fr)}
  .purchase-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .metrics,.steps,.contact-grid,.disclaimer-body,.identity-grid,.faq-grid{grid-template-columns:1fr}
  nav .links{display:none}
  .hero{padding:72px 0 52px}
  h1{-webkit-text-fill-color:var(--ink);background:none}
  .page h1{-webkit-text-fill-color:var(--ink);background:none}
}
@media(max-width:600px){
  .tiers{grid-template-columns:1fr}
  .purchase-steps{grid-template-columns:1fr}
}

/* ── Checkout modal ────────────────────────────────────── */
.pay-overlay[hidden]{display:none !important}
.pay-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(6,15,30,.6);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;padding:16px;
  opacity:0;transition:opacity .2s;
}
.pay-overlay.pay-visible{opacity:1}
.pay-modal{
  background:var(--white);border-radius:18px;
  width:100%;max-width:480px;max-height:90vh;overflow-y:auto;
  box-shadow:0 8px 32px rgba(6,15,30,.28),0 2px 8px rgba(6,15,30,.12);
  transform:translateY(10px) scale(.98);transition:transform .25s var(--ease);
}
.pay-overlay.pay-visible .pay-modal{transform:translateY(0) scale(1)}

.pay-header{
  display:flex;justify-content:space-between;align-items:flex-start;
  padding:24px 24px 0;
}
.pay-close{
  background:var(--line-soft);border:none;border-radius:50%;
  width:32px;height:32px;cursor:pointer;font-size:1rem;color:var(--ink-soft);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:background .15s,color .15s;
}
.pay-close:hover{background:var(--line);color:var(--ink)}

.pay-summary{
  margin:16px 24px 0;padding:14px 16px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);
}
.pay-item{display:flex;justify-content:space-between;align-items:center;
  font-size:.93rem;color:var(--ink)}
.pay-item strong{font-family:var(--mono);font-size:1rem;letter-spacing:-.02em}
.pay-item small{font-size:.75rem;font-weight:400;color:var(--ink-muted)}

.pay-body{padding:20px 24px 24px}

/* Loading dots */
.pay-loading{display:flex;gap:6px;justify-content:center;padding:32px 0}
.pay-loading span{
  width:8px;height:8px;border-radius:50%;background:var(--signal-light);
  animation:payDot 1.2s ease-in-out infinite;
}
.pay-loading span:nth-child(2){animation-delay:.2s}
.pay-loading span:nth-child(3){animation-delay:.4s}
@keyframes payDot{0%,80%,100%{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}

/* Demo mode */
.demo-badge{
  font-size:.78rem;font-family:var(--mono);font-weight:600;
  background:var(--warn-bg);border:1px solid var(--warn-line);
  color:#7a5f00;border-radius:6px;padding:8px 12px;margin-bottom:18px;
  text-align:center;
}

/* Form fields inside modal */
.pay-fields{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.pay-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pay-field{display:flex;flex-direction:column;gap:5px}
.pay-field label{font-size:.8rem;font-weight:600;color:var(--ink)}
.pay-field input{
  font-family:inherit;font-size:.93rem;padding:10px 12px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--paper);color:var(--ink);
  transition:border-color .15s,box-shadow .15s;
}
.pay-field input:focus{
  outline:none;border-color:var(--signal);
  box-shadow:0 0 0 3px rgba(26,99,232,.12);
}

.pay-terms{
  display:flex;align-items:flex-start;gap:10px;
  font-size:.82rem;color:var(--ink-soft);line-height:1.5;
  margin:16px 0 14px;cursor:pointer;
}
.pay-terms input[type=checkbox]{
  width:16px;height:16px;flex-shrink:0;margin-top:1px;
  accent-color:var(--signal);cursor:pointer;
}
.pay-terms a{color:var(--signal);text-decoration:underline;text-underline-offset:2px}
.pay-terms a:hover{color:var(--signal-deep)}

.pay-submit{
  width:100%;padding:13px;font-size:1rem;
  margin-top:4px;border-radius:10px;
}
.pay-error-msg{
  font-size:.85rem;color:#c0392b;background:#fff5f5;
  border:1px solid #fcd0cd;border-radius:6px;
  padding:10px 14px;margin:12px 0;
}
.pay-legal{
  font-size:.75rem;color:var(--ink-muted);text-align:center;
  margin:12px 0 0;line-height:1.5;
}

/* Stripe Element container spacing */
#payment-element{margin-bottom:18px}

/* ── SPA ───────────────────────────────────────────────── */
main#app{display:block}