/* ============================================================
   AuthLN design system — shared across all pages
   Brand: black base · white · Bitcoin-orange #f7931a · blue #21a9ff · purple #bb44f0
   Type: Montserrat. Theme inspired by oasis.security (dark, spacious).
   ============================================================ */

:root{
  --black:#000000; --panel:#0b0b0d; --panel-2:#101013; --card:#0e0e11;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --white:#ffffff; --mut:#9aa1ab; --mut-2:#6c727c;
  --orange:#f7931a; --blue:#21a9ff; --purple:#bb44f0;
  --grad:linear-gradient(100deg,#21a9ff,#bb44f0);
  --maxw:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--black);color:var(--white);
  font-family:"Montserrat",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;letter-spacing:-.005em}
a{color:var(--blue);text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3,h4{margin:0;line-height:1.08;font-weight:800;letter-spacing:-.025em}
p{margin:0 0 1em}

/* helpers */
.g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.o{color:var(--orange)} .blue{color:var(--blue)} .mut{color:var(--mut)}
.center{text-align:center}
.eyebrow{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--mut);padding:7px 14px;border:1px solid var(--line-2);
  border-radius:999px;margin-bottom:26px}
.eyebrow.grad{border:none;background:rgba(33,169,255,.12);color:#bcdcff}

/* buttons */
.btn{display:inline-block;font-weight:700;font-size:.95rem;padding:14px 26px;border-radius:999px;
  border:1px solid transparent;transition:.18s;cursor:pointer;white-space:nowrap}
.btn.primary{background:var(--grad);color:#fff}
.btn.primary:hover{filter:brightness(1.12)}
.btn.ghost{background:transparent;border-color:var(--line-2);color:#fff}
.btn.ghost:hover{border-color:#fff;background:rgba(255,255,255,.04)}
.btn.sm{padding:9px 18px;font-size:.86rem}

/* ---- nav (injected by site.js) ---- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.72);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:400;font-size:1.18rem;letter-spacing:.02em}
.brand strong{font-weight:800}
.brand svg{width:26px;height:30px}
.brand-logo{height:30px;width:auto;display:block}
footer.ft .brand-logo{height:28px}
header.nav nav{display:flex;align-items:center;gap:26px}
header.nav nav a{color:var(--mut);font-size:.92rem;font-weight:500}
header.nav nav a:hover,header.nav nav a.active{color:#fff}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;padding:96px 0 110px;text-align:center}
.hero.tight{padding:78px 0 70px}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(720px 420px at 50% -8%,rgba(187,68,240,.20),transparent 60%),
             radial-gradient(620px 380px at 50% 0%,rgba(33,169,255,.16),transparent 62%)}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:800;max-width:18ch;margin:0 auto 22px}
.hero p.lede{color:var(--mut);font-size:clamp(1.05rem,1.6vw,1.26rem);max-width:60ch;margin:0 auto 18px;font-weight:400}
.hero .meta{color:var(--mut-2);font-size:.9rem;margin-bottom:34px;font-weight:500}
.hero .cta a{margin:7px 7px 0}

/* sections */
section{padding:84px 0}
section.tight{padding:56px 0}
section.alt{background:var(--panel)}
.lead-h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800;max-width:22ch}
.sub{color:var(--mut);max-width:64ch;margin:18px 0 0;font-weight:400;font-size:1.04rem}

/* stat snapshot */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stats.pull{margin-top:-66px;position:relative;z-index:5}
.stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 22px;text-align:center}
.stat .n{font-size:2.3rem;font-weight:800;line-height:1;letter-spacing:-.04em}
.stat .n.dim{color:var(--mut-2)} .stat .n.hl{color:var(--blue)}
.stat .l{font-size:.84rem;color:var(--mut);margin-top:10px;font-weight:500}
.stat .s{font-size:.74rem;color:var(--mut-2);margin-top:5px}

/* aliases used by the case-study page markup */
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
@media(max-width:860px){ .two,.pillars{grid-template-columns:1fr} }

/* generic card grids */
.grid{display:grid;gap:20px;margin-top:40px}
.grid.c2{grid-template-columns:1fr 1fr}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px}
.card.accent{border-color:rgba(247,147,26,.35);background:linear-gradient(180deg,rgba(247,147,26,.07),transparent)}
.card h3{font-size:1.18rem;margin-bottom:12px;font-weight:700}
.card p{color:var(--mut);margin:0}
.card ul{margin:0;padding-left:20px;color:var(--mut)} .card li{margin:9px 0}
.card li strong,.card p strong{color:#fff}
.avatar{width:88px;height:88px;border-radius:50%;object-fit:cover;border:1px solid var(--line-2);margin-bottom:16px;display:block}

/* feature card with gradient top-rule (pillars) */
.pillar{position:relative;overflow:hidden}
.pillar::after{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:var(--grad);opacity:.85}
.pillar .tag{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);font-weight:700}
.pillar h3{font-size:1.06rem;margin:12px 0 8px;line-height:1.25}

/* icon bullet (uses ⚡ shield motif via .ic) */
.ic{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:11px;
  background:rgba(33,169,255,.12);color:var(--blue);font-size:1.2rem;margin-bottom:14px}
.ic.o{background:rgba(247,147,26,.14);color:var(--orange)}
.ic.p{background:rgba(187,68,240,.14);color:var(--purple)}

/* numbered process steps */
.steps{display:grid;gap:16px;margin-top:40px;grid-template-columns:repeat(4,1fr)}
.step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.step .no{font-size:.8rem;font-weight:800;letter-spacing:.1em;color:var(--blue);background:rgba(33,169,255,.12);
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:10px;margin-bottom:16px}
.step h3{font-size:1.02rem;margin-bottom:8px}
.step p{color:var(--mut);font-size:.92rem;margin:0}

/* quote / callout */
.quote{border:1px solid var(--line);border-left:3px solid var(--orange);background:var(--panel-2);
  padding:26px 30px;border-radius:0 16px 16px 0;margin-top:34px;color:#d8dce2;font-size:1.06rem;font-weight:400}
.quote strong{color:#fff;font-weight:700}

/* bar chart */
.legend{display:flex;gap:24px;font-size:.84rem;color:var(--mut);margin:26px 0 6px;font-weight:500}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:7px;vertical-align:middle}
.bar-row{display:grid;grid-template-columns:170px 1fr;gap:16px;align-items:center;margin:16px 0}
.bar-row .cat{font-size:.92rem;font-weight:600;text-align:right;color:#e7e9ee}
.bar-track{position:relative;background:#161619;border-radius:8px;height:38px;overflow:hidden;border:1px solid var(--line)}
.bar-pre{position:absolute;left:0;top:0;height:50%;background:rgba(255,255,255,.22);
  display:flex;align-items:center;padding-left:10px;color:#cfd2d8;font-size:.74rem;font-weight:700;border-radius:7px 7px 0 0}
.bar-post{position:absolute;left:0;bottom:0;height:50%;background:var(--grad);min-width:34px;
  display:flex;align-items:center;padding-left:10px;color:#fff;font-size:.74rem;font-weight:700;border-radius:0 0 7px 7px}

/* tables */
.tbl-wrap{margin-top:36px;border:1px solid var(--line);border-radius:16px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:8px}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th{background:var(--panel-2);color:#fff;text-align:left;padding:15px 18px;font-weight:700;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}
td{padding:15px 18px;border-top:1px solid var(--line);vertical-align:top;color:var(--mut);font-weight:400}
td:first-child{color:#fff;font-weight:600}

/* event timeline */
.event{display:grid;grid-template-columns:130px 1fr;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;margin:14px 0;background:var(--card)}
.event .when{padding:22px;font-size:.82rem;color:var(--mut-2);font-weight:600;border-right:1px solid var(--line)}
.event .body{padding:22px;border-left:3px solid var(--line-2)}
.event.ok .body{border-left-color:var(--blue)}
.event.warn .body{border-left-color:var(--orange)}
.event.paid .body{border-left-color:var(--purple)}
.badge{display:inline-block;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;
  padding:4px 10px;border-radius:6px;margin-bottom:10px;white-space:nowrap}
.badge.ok{background:rgba(33,169,255,.14);color:#7ec8ff}
.badge.warn{background:rgba(247,147,26,.16);color:var(--orange)}
.badge.paid{background:rgba(187,68,240,.16);color:#d98bf5}
.event h4{font-size:1.02rem;margin-bottom:6px;font-weight:700}
.event p{margin:0;color:var(--mut);font-size:.92rem;font-weight:400}

/* outcomes / value grid */
.outcomes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px}
.oc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px 24px;text-align:center}
.oc .n{font-size:1.7rem;font-weight:800;letter-spacing:-.03em}
.oc .l{font-size:.86rem;color:var(--mut);margin-top:8px;font-weight:400}

/* FAQ accordion (native <details>) */
.faq{margin-top:36px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 4px;font-weight:600;font-size:1.05rem;
  display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--blue);font-weight:700;font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--mut);padding:0 4px 24px;margin:0;max-width:74ch}

/* blog cards */
.posts{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.post{display:block;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px;transition:.18s}
.post:hover{border-color:var(--line-2);transform:translateY(-2px)}
.post .meta{font-size:.8rem;color:var(--mut-2);font-weight:600;letter-spacing:.04em}
.post h3{color:#fff;font-size:1.3rem;margin:12px 0 10px;font-weight:700}
.post p{color:var(--mut);margin:0 0 14px}
.post .more{color:var(--blue);font-weight:700;font-size:.9rem}

/* long-form / legal prose + article body */
.prose{max-width:78ch;margin:0 auto}
.prose h2{font-size:1.35rem;margin:38px 0 12px;font-weight:700}
.prose h3{font-size:1.08rem;margin:26px 0 10px;font-weight:700;color:#e7e9ee}
.prose p,.prose li{color:var(--mut);font-weight:400}
.prose ul{padding-left:20px} .prose li{margin:8px 0}
.prose .eff{color:var(--mut-2);font-size:.9rem;font-weight:600;margin-bottom:30px}
.prose a{color:var(--blue)}
.article{max-width:74ch;margin:0 auto}
.article p,.article li{color:#c7ccd3;font-size:1.06rem;font-weight:400}
.article h2{font-size:1.5rem;margin:40px 0 14px}

/* contact form */
.form{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px;max-width:560px;margin:40px auto 0}
.form label{display:block;font-size:.82rem;font-weight:600;color:#e7e9ee;margin:16px 0 7px}
.form input,.form textarea{width:100%;background:#08080a;border:1px solid var(--line-2);border-radius:10px;
  padding:13px 14px;color:#fff;font-family:inherit;font-size:.95rem}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--blue)}
.form .btn{width:100%;margin-top:22px;border:none}

/* final CTA band */
.final{position:relative;overflow:hidden;text-align:center;padding:108px 0}
.final::before{content:"";position:absolute;inset:0;
  background:radial-gradient(700px 360px at 50% 120%,rgba(187,68,240,.22),transparent 60%),
             radial-gradient(620px 320px at 50% 110%,rgba(33,169,255,.18),transparent 62%)}
.final .wrap{position:relative;z-index:1}
.final h2{font-size:clamp(1.8rem,3.4vw,2.7rem);font-weight:800;max-width:20ch;margin:0 auto 18px}
.final p{color:var(--mut);max-width:54ch;margin:0 auto 30px;font-weight:400;font-size:1.06rem}

/* integrations row */
.logos{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.logos span,.logos a{border:1px solid var(--line);border-radius:999px;padding:10px 20px;color:#cdd2d9;font-weight:600;font-size:.92rem;background:var(--card);white-space:nowrap}
.logos a{transition:.18s}
.logos a:hover{border-color:var(--line-2);color:#fff}

/* disclaimer + footer */
.disclaimer{font-size:.82rem;color:var(--mut-2);border-top:1px solid var(--line);padding:30px 0;line-height:1.7;font-weight:400}
.disclaimer strong{color:var(--mut)}
footer.ft{background:#000;border-top:1px solid var(--line);padding:40px 0 30px;font-size:.88rem}
footer.ft .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;margin-bottom:26px}
footer.ft .col h5{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut-2);margin:0 0 14px;font-weight:700}
footer.ft .col a{display:block;color:var(--mut);margin:8px 0;font-weight:500}
footer.ft .col a:hover{color:#fff}
footer.ft .legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--mut-2);
  border-top:1px solid var(--line);padding-top:22px}
footer.ft .legal a{color:var(--mut-2)}

@media(max-width:860px){
  .stats,.grid.c2,.grid.c3,.grid.c4,.steps,.outcomes,.posts{grid-template-columns:1fr}
  .stats.pull{margin-top:-40px}
  .bar-row{grid-template-columns:1fr;gap:8px} .bar-row .cat{text-align:left}
  header.nav nav a:not(.btn){display:none}
  header.nav nav a.nav-login{display:none}
  header.nav nav{gap:8px}
  header.nav .wrap{padding:0 16px}
  .brand-logo{height:26px}
  .event{grid-template-columns:1fr}
  .event .when{border-right:none;border-bottom:1px solid var(--line)}
  /* tables -> stacked labeled cards (each row a card, each header a label) */
  .tbl-wrap{border:none;border-radius:0;overflow:visible}
  .table-scroll{overflow:visible}
  table,table tbody,table tr,table td{display:block}
  table thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
  table tr{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:6px 2px;margin:0 0 14px}
  table td{border:none;padding:11px 16px}
  table td::before{content:attr(data-label);display:block;font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mut-2);font-weight:700;margin-bottom:4px}
  table td:first-child{color:#fff;font-weight:700}
  /* footer tap targets >= 44px */
  footer.ft .col a{margin:0;padding:11px 0;min-height:44px;display:flex;align-items:center}
}
@media(min-width:861px){ .steps.s3{grid-template-columns:repeat(3,1fr)} .steps.s5{grid-template-columns:repeat(5,1fr)} }

/* ---- mobile hamburger + slide-out drawer ---- */
.hamburger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;
  align-items:center;justify-content:center;color:#fff;border-radius:10px;padding:0}
.hamburger:hover{background:rgba(255,255,255,.06)}
@media(max-width:860px){ .hamburger{display:inline-flex} }

.m-drawer{position:fixed;inset:0;z-index:200;visibility:hidden;transition:visibility 0s linear .26s}
.m-drawer.open{visibility:visible;transition-delay:0s}
.m-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6);opacity:0;transition:opacity .22s ease}
.m-drawer.open .m-backdrop{opacity:1}
.m-panel{position:absolute;top:0;right:0;height:100%;width:min(84vw,340px);background:#0b0b0d;
  border-left:1px solid var(--line);transform:translateX(100%);transition:transform .24s ease;
  display:flex;flex-direction:column;padding:18px 22px 26px}
.m-drawer.open .m-panel{transform:translateX(0)!important}
.m-panel-top{display:flex;align-items:center;justify-content:space-between;height:50px;margin-bottom:16px}
.m-brand .brand-logo{height:26px}
.m-close{background:none;border:0;color:var(--mut);cursor:pointer;width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;border-radius:10px;margin-right:-8px}
.m-close:hover{color:#fff;background:rgba(255,255,255,.06)}
.m-links{display:flex;flex-direction:column;margin:0 0 22px}
.m-links a{color:var(--mut);font-size:1.05rem;font-weight:600;padding:15px 2px;border-bottom:1px solid var(--line)}
.m-links a:hover,.m-links a.active{color:#fff}
.m-panel .btn{width:100%;text-align:center;margin-top:auto}
@media(min-width:861px){ .m-drawer{display:none} }