/* ============================================================
   brand.css — shared dark-premium design system for the
   micro-business line (CoinInvoice / CoinPages / AuditKit /
   ClassKit / DealSheet). Each site overrides :root accent vars
   inline. Self-contained: no other stylesheet required.
   ============================================================ */

:root{
  --bg:#06070c;
  --bg-raise:#0a0c14;
  --surface:rgba(255,255,255,.030);
  --surface-2:rgba(255,255,255,.055);
  --card:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.016));
  --border:rgba(255,255,255,.075);
  --border-strong:rgba(255,255,255,.16);
  --ink:#f2f4fa;
  --muted:#98a0b3;
  --muted-2:#6d7488;
  --a1:#8b5cf6;
  --a2:#22d3ee;
  --a3:#f472b6;
  --accent:#8b5cf6;
  --accent-2:#22d3ee;
  --accent-soft:rgba(139,92,246,.16);
  --grad:linear-gradient(120deg,#a78bfa,#818cf8 38%,#22d3ee);
  --grad-hard:linear-gradient(120deg,#8b5cf6,#6366f1 45%,#06b6d4);
  --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --radius:16px; --radius-lg:22px;
  --maxw:1120px;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --display:"Space Grotesk","Inter",-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");}
.bg-aura{position:fixed;inset:-20vh -20vw;z-index:0;pointer-events:none;
  background:
    radial-gradient(38vw 32vw at 18% 8%,rgba(124,92,246,.16),transparent 60%),
    radial-gradient(34vw 30vw at 84% 4%,rgba(34,211,238,.11),transparent 60%),
    radial-gradient(46vw 40vw at 70% 88%,rgba(244,114,182,.07),transparent 60%),
    radial-gradient(30vw 26vw at 8% 80%,rgba(99,102,241,.08),transparent 60%);
  animation:auraDrift 26s ease-in-out infinite alternate;}
@keyframes auraDrift{0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(-2.5vw,1.8vh,0) scale(1.04)}
  100%{transform:translate3d(2vw,-1.5vh,0) scale(1)}}
main,.site-head,.site-foot,.bg-aura{position:relative}
main{z-index:1}
::selection{background:rgba(139,92,246,.45);color:#fff}
:focus-visible{outline:2px solid var(--a2);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:8px;border:3px solid var(--bg)}
::-webkit-scrollbar-track{background:transparent}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
a{color:#a5b4fc;text-decoration:none}
a:hover{color:#c7d2fe;text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{line-height:1.22;color:var(--ink);font-family:var(--display);letter-spacing:-.015em}
p{margin:.5em 0 1em}
.mono{font-family:var(--mono)}
.hidden{display:none!important}

/* ============ header ============ */
.site-head{position:sticky;top:0;z-index:60;background:rgba(6,7,12,.68);
  backdrop-filter:blur(16px) saturate(1.5);-webkit-backdrop-filter:blur(16px) saturate(1.5);
  border-bottom:1px solid var(--border)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;
  color:var(--ink);font-family:var(--display);letter-spacing:-.01em}
.brand:hover{text-decoration:none;color:#fff}
.nav{display:flex;gap:2px;flex-wrap:wrap;align-items:center}
.nav a{color:var(--muted);font-size:14px;font-weight:500;padding:7px 12px;border-radius:10px;
  transition:color .15s,background .15s}
.nav a:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}
.nav a.pro-link{color:#e9d5ff;background:linear-gradient(120deg,rgba(139,92,246,.22),rgba(34,211,238,.14));
  border:1px solid rgba(139,92,246,.35);font-weight:600}
.nav a.pro-link:hover{border-color:rgba(139,92,246,.7);color:#fff}
@media(max-width:860px){.head-in{height:auto;padding:10px 22px;flex-wrap:wrap}
  .nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px}}

/* ============ hero ============ */
.hero{padding:80px 0 30px;text-align:center}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;
  font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:#c4b5fd;
  background:rgba(139,92,246,.10);border:1px solid rgba(139,92,246,.32);
  border-radius:999px;padding:7px 16px;margin-bottom:24px}
.hero .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--a2);
  box-shadow:0 0 0 0 rgba(34,211,238,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,211,238,.55)}
  70%{box-shadow:0 0 0 9px rgba(34,211,238,0)}100%{box-shadow:0 0 0 0 rgba(34,211,238,0)}}
.hero h1{font-size:clamp(34px,5.6vw,58px);font-weight:700;margin:0 0 18px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent}
.hero .sub{color:var(--muted);font-size:17.5px;max-width:640px;margin:0 auto 28px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.hero-strip{display:flex;gap:10px 26px;justify-content:center;flex-wrap:wrap;
  font-size:13px;color:var(--muted-2);padding-bottom:26px}
.hero-strip span{display:inline-flex;align-items:center}

/* ============ sections ============ */
.section{padding:52px 0}
.section-alt{background:rgba(255,255,255,.014);border-top:1px solid var(--border);
  border-bottom:1px solid var(--border)}
.section-head{margin-bottom:26px;max-width:700px}
.section-head h2{font-size:clamp(24px,3.4vw,33px);font-weight:700;margin:0 0 10px}
.section-head p{color:var(--muted);margin:0;font-size:15.5px}
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:22px;backdrop-filter:blur(8px)}

/* ============ buttons ============ */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;border:1px solid transparent;font:inherit;
  font-size:14.5px;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.2;
  transition:transform .15s ease,box-shadow .2s ease,border-color .15s,background .2s}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{color:#fff;background:var(--grad-hard);background-size:160% 100%;background-position:0% 0}
.btn-primary:hover{background-position:85% 0;transform:translateY(-1px);
  box-shadow:0 12px 34px -10px rgba(99,102,241,.75)}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--ink);border-color:var(--border-strong)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3)}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:14px}
.btn-xs{padding:6px 12px;font-size:12.5px;border-radius:9px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none!important}

/* ============ forms ============ */
label{display:block;font-size:13px;font-weight:600;color:#c3cadb;margin:15px 0 6px}
label:first-child{margin-top:0}
.field{margin-bottom:4px}
.field>span{display:block;font-size:13px;font-weight:600;color:#c3cadb;margin:15px 0 6px}
.field:first-child>span{margin-top:0}
.field-row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
input[type=text],input[type=url],input[type=number],input[type=date],
input[type=email],textarea,select{width:100%;padding:10px 13px;
  border:1px solid var(--border-strong);border-radius:11px;font:inherit;font-size:14.5px;
  color:var(--ink);background:rgba(0,0,0,.34);transition:border-color .15s,box-shadow .15s}
input::placeholder,textarea::placeholder{color:#5b6274}
input[type=text]:focus,input[type=url]:focus,input[type=number]:focus,
input[type=date]:focus,input[type=email]:focus,textarea:focus,select:focus{
  outline:none;border-color:var(--a1);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{font-family:var(--sans);font-size:14px;line-height:1.6;resize:vertical}
select{appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2398a0b3' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;padding-right:34px}
select option{background:#0c0e17;color:var(--ink)}
.check{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:500;
  color:#c3cadb;margin:11px 0;cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--a1)}

/* ============ status / chips ============ */
.status{margin-top:13px;font-size:13.5px;padding:10px 13px;border-radius:11px;display:none}
.status.ok{display:block;background:rgba(52,211,153,.10);color:#6ee7b7;border:1px solid rgba(52,211,153,.35)}
.status.err{display:block;background:rgba(248,113,113,.10);color:#fca5a5;border:1px solid rgba(248,113,113,.35)}
.hint{font-size:12.5px;color:var(--muted-2);margin-top:11px;line-height:1.6}
.hint a{color:var(--muted)}
.chip-ok{display:inline-block;background:rgba(52,211,153,.12);color:#6ee7b7;
  border:1px solid rgba(52,211,153,.35);font-size:11px;font-weight:700;border-radius:999px;
  padding:2px 10px;letter-spacing:.06em;text-transform:uppercase;vertical-align:middle}
.pro-active{color:#6ee7b7;font-weight:700;font-size:13px;letter-spacing:.04em}
.pro-get{color:#c4b5fd;font-weight:600;font-size:13px}
.pro-get:hover{color:#e9d5ff}

/* ============ steps ============ */
.steps3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;transition:transform .2s,border-color .2s}
.step:hover{transform:translateY(-3px);border-color:var(--border-strong)}
.step-n{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;
  justify-content:center;font-family:var(--display);font-weight:700;font-size:16px;
  color:#fff;background:var(--grad-hard);margin-bottom:14px}
.step h3{font-size:16.5px;margin:0 0 7px}
.step p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}

/* ============ pricing ============ */
.pricing2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:18px;max-width:820px;margin:0 auto;align-items:start}
.price-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;position:relative}
.price-card.featured{border-color:rgba(139,92,246,.5);
  box-shadow:0 24px 70px -30px rgba(124,92,246,.5)}
.price-name{font-family:var(--display);font-weight:700;font-size:17px;margin-bottom:8px}
.price-amount{font-family:var(--display);font-size:44px;font-weight:700;line-height:1}
.price-amount .once{font-size:15px;color:var(--muted-2);font-weight:500;margin-left:6px}
.ticks{list-style:none;margin:20px 0;padding:0;font-size:14.5px}
.ticks li{padding:7px 0 7px 28px;position:relative;color:#c3cadb;
  border-bottom:1px dashed rgba(255,255,255,.06)}
.ticks li:last-child{border-bottom:none}
.ticks li::before{content:"";position:absolute;left:2px;top:13px;width:13px;height:7px;
  border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}
.price-card .btn{width:100%;margin-top:6px}

/* ============ faq ============ */
.faq-list{max-width:760px;padding:4px 0 10px}
.faq-list details{background:var(--card);border:1px solid var(--border);
  border-radius:14px;padding:0 20px;margin-bottom:10px}
.faq-list summary{cursor:pointer;font-weight:600;font-size:15.5px;padding:17px 34px 17px 0;
  position:relative;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:4px;top:50%;
  transform:translateY(-50%);font-size:22px;color:var(--muted-2);font-weight:400;
  transition:transform .2s}
.faq-list details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-list details p{margin:0;padding:0 0 17px;color:var(--muted);font-size:14.5px;line-height:1.65}

/* ============ footer ============ */
.site-foot{border-top:1px solid var(--border);padding:36px 0 44px;margin-top:30px}
.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-links{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}
.foot-links a{color:var(--muted);font-size:14px}
.foot-links a:hover{color:var(--ink)}

/* ============ builder layout ============ */
.builder-grid{display:grid;grid-template-columns:430px 1fr;gap:18px;align-items:start}
@media(max-width:980px){.builder-grid{grid-template-columns:1fr}.field-row2{grid-template-columns:1fr}}
.form-panel .actions-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.actions-row .btn{flex:1;min-width:140px}
.items-head{display:flex;justify-content:space-between;align-items:center;
  margin:22px 0 8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted-2)}
.item-row{display:grid;grid-template-columns:1fr 64px 92px 30px;gap:8px;margin-bottom:8px;
  align-items:center}
.item-row input{padding:8px 10px;font-size:13.5px}
.item-row .rm{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.3);
  color:#fca5a5;border-radius:9px;width:30px;height:36px;cursor:pointer;font-size:15px;
  transition:background .15s}
.item-row .rm:hover{background:rgba(248,113,113,.22)}
@media(max-width:520px){.item-row{grid-template-columns:1fr 54px 26px}
  .item-row .rate-cell{display:none}}
.pay-block{margin-top:22px;padding:16px;border:1px solid rgba(52,211,153,.25);
  border-radius:14px;background:rgba(52,211,153,.05)}
.pay-title{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#6ee7b7;margin-bottom:4px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pay-opts{display:flex;gap:20px;flex-wrap:wrap;margin:4px 0}
.pro-slot{margin-top:12px;font-size:13px}

/* ============ paper preview ============ */
.preview-panel{padding:0;overflow:hidden}
.preview-bar{display:flex;justify-content:space-between;align-items:center;
  padding:11px 16px;border-bottom:1px solid var(--border);font-size:12.5px;color:var(--muted-2)}
.pv-note{color:var(--ok);font-weight:600;letter-spacing:.05em;font-size:11.5px;text-transform:uppercase}
.paper{background:#ffffff;color:#1a2233;padding:34px 36px;min-height:520px;
  font-size:13.5px;line-height:1.5}
.paper-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
.pv-invoice-word{font-family:var(--display);font-size:26px;font-weight:700;
  letter-spacing:.14em;color:#101828;margin-top:6px}
.pv-meta{text-align:right;color:#475467;font-size:12.5px}
.pv-meta div{margin-bottom:3px}
.pv-meta div:first-child{font-weight:700;color:#101828;font-size:15px}
.pv-parties{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0 14px}
.pv-parties b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;
  color:#98a2b3;margin-bottom:3px}
.pv-parties>div{color:#344054;white-space:pre-line}
.pv-table{width:100%;border-collapse:collapse;font-size:13px}
.pv-table th{text-align:left;padding:8px 6px;border-bottom:2px solid #101828;
  color:#344054;font-size:11px;text-transform:uppercase;letter-spacing:.07em}
.pv-table th.r,.pv-table td.r{text-align:right}
.pv-table td{padding:8px 6px;border-bottom:1px solid #e4e7ec;color:#1a2233}
.pv-totals{margin-top:12px;margin-left:auto;max-width:240px;color:#344054;font-size:13.5px}
.pv-totals div{display:flex;justify-content:space-between;padding:4px 0}
.pv-total{border-top:2px solid #101828;margin-top:5px;padding-top:8px!important;
  font-weight:700;font-size:16px;color:#101828}
.pv-notes{margin-top:16px;color:#475467;font-size:12.5px;white-space:pre-line}
.pv-pay{margin-top:18px;border:1.5px dashed #10b981;border-radius:10px;padding:14px;
  background:rgba(16,185,129,.05);page-break-inside:avoid}
.pv-pay-title{font-weight:700;color:#047857;font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:9px}
.pv-pay-body{display:flex;gap:13px;align-items:center}
.pv-pay-body img{border-radius:8px;background:#fff;width:92px;height:92px}
.pv-addr{font-size:11px;word-break:break-all;color:#101828;max-width:330px;
  border:1px solid #d0d5dd;border-radius:7px;padding:5px 8px;background:#fff}
.pv-token{font-size:11.5px;color:#475467;margin-top:7px}
.pv-foot{margin-top:22px;padding-top:12px;border-top:1px solid #e4e7ec;
  font-size:10.5px;color:#98a2b3;text-align:center}
.pv-logo-slot img{max-height:44px;max-width:170px;object-fit:contain}
.saved-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.saved-item{display:flex;justify-content:space-between;gap:8px;align-items:center;
  background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:11px;
  padding:10px 13px;font-size:13px;cursor:pointer;transition:border-color .15s}
.saved-item:hover{border-color:var(--border-strong)}
.saved-item .x{color:var(--muted-2);font-size:16px;padding:0 3px}
.saved-item .x:hover{color:#fca5a5}

/* ============ print: paper only ============ */
@media print{
  body{background:#fff}
  body::before,.bg-aura,.site-head,.site-foot,.form-panel,.preview-bar,
  .hero,.section-alt,#how,#pricing,#faq,.saved-list,#saved-wrap,.actions-row,
  .pro-slot{display:none!important}
  main,.section{padding:0;margin:0}
  .builder-grid{display:block}
  .preview-panel{border:none;padding:0;overflow:visible}
  .paper{min-height:auto;padding:0;color:#000}
  .pv-foot.not-pro{display:block!important}
  @page{margin:14mm}
}