:root {
  --bg: #08111f;
  --bg-soft: #0d1a2b;
  --panel: #101f33;
  --panel-2: #132740;
  --text: #f5f8fc;
  --muted: #aebbc9;
  --line: rgba(255,255,255,.11);
  --brand: #52e0b4;
  --brand-2: #63a8ff;
  --brand-3: #b38cff;
  --ink: #0b1320;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(0,0,0,.28);
  --radius: 20px;
  --max: 1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
.container{width:min(calc(100% - 36px),var(--max));margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{left:16px;top:16px;width:auto;height:auto;padding:10px 14px;background:#fff;color:#000;z-index:1000;border-radius:8px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,17,31,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em;font-size:1.25rem}
.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:var(--ink);font-weight:900;box-shadow:0 8px 30px rgba(82,224,180,.25)}
.nav-links{display:flex;align-items:center;gap:22px;font-size:.95rem;color:#dbe4ef}.nav-links a:hover,.nav-links a[aria-current="page"]{color:#fff}.nav-actions{display:flex;gap:10px;align-items:center}
.menu-toggle{display:none;background:transparent;border:1px solid var(--line);color:#fff;border-radius:10px;padding:9px 11px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:12px;font-weight:750;border:1px solid transparent;transition:.2s ease;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--brand),#75f0c9);color:#07111e;box-shadow:0 10px 30px rgba(82,224,180,.18)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 36px rgba(82,224,180,.25)}.btn-secondary{border-color:var(--line);background:rgba(255,255,255,.035);color:#fff}.btn-secondary:hover{background:rgba(255,255,255,.07)}
.hero{padding:92px 0 66px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:-220px auto auto 52%;width:580px;height:580px;border-radius:50%;background:radial-gradient(circle,rgba(99,168,255,.18),transparent 68%);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:7px 11px;border-radius:999px;border:1px solid rgba(82,224,180,.28);background:rgba(82,224,180,.08);color:#b8ffe8;font-weight:700;font-size:.82rem;letter-spacing:.03em;text-transform:uppercase}.hero h1,.page-hero h1{font-size:clamp(2.7rem,6vw,5.4rem);line-height:.97;letter-spacing:-.058em;margin:18px 0 22px;max-width:960px}.hero p.lede,.page-hero p.lede{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--muted);max-width:760px;margin:0 0 30px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-proof{display:flex;flex-wrap:wrap;gap:14px 22px;margin-top:26px;color:#c5d1de;font-size:.92rem}.proof-item{display:flex;align-items:center;gap:8px}.proof-dot{width:7px;height:7px;border-radius:50%;background:var(--brand)}
.hero-visual{position:relative}.cockpit{background:linear-gradient(180deg,rgba(19,39,64,.98),rgba(11,23,39,.98));border:1px solid rgba(255,255,255,.12);border-radius:26px;padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}.cockpit:after{content:"";position:absolute;right:-70px;bottom:-80px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(82,224,180,.15),transparent 68%)}.cockpit-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.status-pill{font-size:.77rem;padding:5px 8px;border-radius:999px;background:rgba(82,224,180,.1);color:#affbe3;border:1px solid rgba(82,224,180,.2)}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}.metric{padding:14px;border-radius:14px;background:rgba(255,255,255,.035);border:1px solid var(--line)}.metric strong{display:block;font-size:1.35rem}.metric span{color:var(--muted);font-size:.78rem}.workflow-mini{display:grid;gap:9px}.wf-row{display:grid;grid-template-columns:26px 1fr auto;gap:10px;align-items:center;padding:10px 11px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.025)}.wf-num{width:26px;height:26px;border-radius:8px;background:rgba(99,168,255,.12);display:grid;place-items:center;color:#b7d4ff;font-weight:800;font-size:.78rem}.wf-label{font-size:.9rem}.wf-state{font-size:.72rem;color:#b6c5d5}
.logo-strip{padding:18px 0 6px;color:#8ea0b4;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}.logo-strip-inner{border-top:1px solid var(--line);padding-top:24px;display:flex;gap:20px;flex-wrap:wrap}
section{padding:78px 0}.section-alt{background:#0b1626}.section-head{max-width:820px;margin-bottom:38px}.kicker{color:#a6f8df;font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.11em}.section-head h2{font-size:clamp(2rem,4vw,3.35rem);line-height:1.05;letter-spacing:-.045em;margin:9px 0 14px}.section-head p{color:var(--muted);font-size:1.08rem;margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card{padding:24px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(19,39,64,.7),rgba(12,26,43,.7));border:1px solid var(--line);box-shadow:0 10px 34px rgba(0,0,0,.12)}.card h3{margin:12px 0 8px;font-size:1.2rem;letter-spacing:-.02em}.card p{margin:0;color:var(--muted)}.icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(82,224,180,.14),rgba(99,168,255,.14));border:1px solid rgba(255,255,255,.08);font-weight:900;color:#d8fff2}.card-link{display:inline-flex;margin-top:15px;color:#b8ffe8;font-weight:750;font-size:.92rem}
.statement{font-size:clamp(1.8rem,4vw,3.6rem);line-height:1.08;letter-spacing:-.045em;max-width:1000px;margin:0}.statement em{font-style:normal;color:var(--brand)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare-col{padding:26px;border-radius:20px;border:1px solid var(--line)}.compare-col.generic{background:rgba(255,255,255,.025)}.compare-col.signbrain{background:linear-gradient(180deg,rgba(82,224,180,.07),rgba(99,168,255,.05));border-color:rgba(82,224,180,.22)}.compare-col h3{margin-top:0}.compare-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}.compare-list li{display:flex;gap:10px;color:#c6d3df}.compare-list li:before{content:"•";color:var(--brand);font-weight:900}
.flow-map{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;align-items:center;overflow-x:auto;padding-bottom:6px}.flow-step{min-width:116px;padding:14px 12px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.03);text-align:center;font-size:.88rem;font-weight:750}.flow-arrow{color:#70859c;text-align:center}.flow-step.active{border-color:rgba(82,224,180,.4);background:rgba(82,224,180,.07)}
.workflow-switcher{display:grid;grid-template-columns:260px 1fr;gap:24px}.workflow-tabs{display:grid;gap:8px}.workflow-tab{width:100%;text-align:left;padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.025);color:#dce5ef;cursor:pointer;font-weight:700}.workflow-tab[aria-selected="true"]{background:rgba(82,224,180,.08);border-color:rgba(82,224,180,.3);color:#fff}.workflow-panel{display:none}.workflow-panel.active{display:block}.workflow-path{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.path-node{padding:9px 11px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);font-size:.85rem}.path-node.required{border-color:rgba(82,224,180,.32)}.path-node.optional{border-style:dashed}.path-node.parallel{border-color:rgba(99,168,255,.35)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{padding:6px 9px;border-radius:999px;border:1px solid var(--line);color:#b9c8d7;font-size:.78rem;background:rgba(255,255,255,.025)}
.ai-stack{display:grid;gap:10px}.ai-item{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:15px 17px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025)}.ai-item strong{color:#e7fff7}.ai-item span{color:var(--muted)}
.callout{padding:30px;border-radius:24px;background:linear-gradient(135deg,rgba(82,224,180,.11),rgba(99,168,255,.09));border:1px solid rgba(82,224,180,.22)}.callout h3{font-size:clamp(1.5rem,3vw,2.25rem);margin:0 0 9px;letter-spacing:-.035em}.callout p{margin:0;color:#c8d6e3;max-width:850px}
.faq{display:grid;gap:10px}.faq details{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);padding:0 18px}.faq summary{cursor:pointer;font-weight:750;padding:16px 0;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq details p{color:var(--muted);margin:0;padding:0 0 17px}
.page-hero{padding:84px 0 48px}.page-hero h1{font-size:clamp(2.6rem,5.5vw,4.8rem);max-width:980px}.breadcrumbs{font-size:.85rem;color:#899db2;margin-bottom:16px}.breadcrumbs a:hover{color:#fff}
.content-grid{display:grid;grid-template-columns:1fr 330px;gap:38px;align-items:start}.side-panel{position:sticky;top:96px;padding:20px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.025)}.side-panel h3{margin-top:0}.side-panel ul{margin:0;padding-left:18px;color:var(--muted)}.side-panel li{margin:8px 0}
.prose{max-width:820px}.prose h2{font-size:2rem;letter-spacing:-.035em;margin:42px 0 14px}.prose h3{font-size:1.35rem;margin:28px 0 9px}.prose p,.prose li{color:#c0cedb}.prose ul{padding-left:22px}
.solution-list{display:grid;gap:12px}.solution-row{display:grid;grid-template-columns:180px 1fr auto;gap:18px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.025)}.solution-row span{color:var(--muted);font-size:.92rem}
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px}.form-card{padding:26px;border-radius:22px;border:1px solid var(--line);background:rgba(255,255,255,.03)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:.84rem;font-weight:750;color:#dbe5ef}.field input,.field textarea,.field select{width:100%;border-radius:11px;border:1px solid rgba(255,255,255,.14);background:#0c192a;color:#fff;padding:12px 13px;outline:none}.field input:focus,.field textarea:focus,.field select:focus{border-color:rgba(82,224,180,.6);box-shadow:0 0 0 3px rgba(82,224,180,.08)}.field textarea{min-height:130px;resize:vertical}.form-note{font-size:.78rem;color:#8ea0b4;margin-top:10px}.hp{position:absolute;left:-9999px}
.notice{padding:12px 14px;border-radius:12px;border:1px solid rgba(82,224,180,.25);background:rgba(82,224,180,.07);color:#caffee;margin-bottom:16px;display:none}.notice.show{display:block}
.cta{padding:42px;border-radius:28px;background:linear-gradient(135deg,#112b3a,#132d4a);border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:28px}.cta h2{font-size:clamp(2rem,4vw,3rem);margin:0 0 8px;letter-spacing:-.04em}.cta p{margin:0;color:#bdccda;max-width:680px}
.site-footer{padding:48px 0 34px;border-top:1px solid var(--line);background:#06101c}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:30px}.footer-brand p{color:#8fa1b4;max-width:340px}.footer-col h4{margin:0 0 12px;font-size:.9rem}.footer-col a{display:block;color:#94a7ba;margin:8px 0;font-size:.9rem}.footer-col a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#75899e;font-size:.8rem;margin-top:34px;padding-top:20px;border-top:1px solid var(--line)}
.badge{display:inline-flex;padding:5px 8px;border-radius:999px;background:rgba(179,140,255,.09);border:1px solid rgba(179,140,255,.18);color:#d8c7ff;font-size:.75rem;font-weight:750}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px}.comparison-table{width:100%;border-collapse:collapse;min-width:700px}.comparison-table th,.comparison-table td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line)}.comparison-table th{background:rgba(255,255,255,.035);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:#b9c8d8}.comparison-table td{color:#c8d4df}.comparison-table tr:last-child td{border-bottom:0}.yes{color:#b8ffe8;font-weight:800}.muted{color:var(--muted)}
@media (max-width: 980px){.nav-links{display:none;position:absolute;top:74px;left:18px;right:18px;padding:16px;border-radius:16px;border:1px solid var(--line);background:#0a1728;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-toggle{display:block}.nav-actions .btn-secondary{display:none}.hero-grid,.form-wrap,.content-grid{grid-template-columns:1fr}.hero{padding-top:70px}.hero-visual{max-width:720px}.grid-3{grid-template-columns:1fr 1fr}.workflow-switcher{grid-template-columns:1fr}.workflow-tabs{grid-template-columns:repeat(2,1fr)}.side-panel{position:static}.footer-grid{grid-template-columns:1fr 1fr}.flow-map{grid-template-columns:repeat(8,120px)}}
@media (max-width: 680px){.container{width:min(calc(100% - 26px),var(--max))}.hero,.page-hero{padding-top:56px}.grid-3,.grid-2,.compare,.footer-grid{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.workflow-tabs{grid-template-columns:1fr}.solution-row{grid-template-columns:1fr}.cta{padding:28px;align-items:flex-start;flex-direction:column}.ai-item{grid-template-columns:1fr}.hero-actions .btn{width:100%}.nav-actions .btn-primary{padding:10px 12px;font-size:.88rem}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}


/* SignBrain branded visual system — v2 */
.brand-logo{display:flex;align-items:center;flex:0 0 auto;height:72px;overflow:visible}
.brand-logo img{display:block;width:102px;height:auto;max-height:72px;object-fit:contain;filter:drop-shadow(0 0 8px rgba(54,204,255,.22))}
.site-footer .brand-logo{height:auto;margin-bottom:10px}
.site-footer .brand-logo img{width:176px;max-height:none}
.hero-image-wrap{padding:0;border:1px solid rgba(132,224,255,.28);background:linear-gradient(145deg,rgba(23,108,200,.22),rgba(8,51,103,.25));box-shadow:0 26px 80px rgba(0,0,0,.28),0 0 55px rgba(26,168,255,.10);border-radius:26px;overflow:hidden}
.hero-image{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.feature-visual{margin:10px 0 34px;border-radius:24px;overflow:hidden;border:1px solid rgba(140,225,255,.24);background:#0b4d95;box-shadow:0 18px 60px rgba(0,0,0,.20),0 0 48px rgba(42,183,255,.08)}
.feature-visual img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.feature-visual-wide{margin-top:0;margin-bottom:0}
.visual-band{padding:18px 0 28px;background:linear-gradient(180deg,rgba(16,79,147,.15),rgba(8,17,31,0))}
@media (min-width:981px){.site-header .nav{min-height:82px}.brand-logo img{width:116px}.hero-grid{grid-template-columns:.86fr 1.14fr;gap:44px}}
@media (max-width:680px){.brand-logo{height:62px}.brand-logo img{width:86px;max-height:60px}.site-footer .brand-logo img{width:150px}.hero-image-wrap,.feature-visual{border-radius:18px}}


/* Competitive comparison page - v3 */
.reviewed{color:#91a8bf;font-size:.86rem;margin-top:-10px}.competitor-table{min-width:1120px}.competitor-table th:first-child,.competitor-table td:first-child{min-width:245px}.competitor-table .sb-col{background:rgba(82,224,180,.055);border-left:1px solid rgba(82,224,180,.16);border-right:1px solid rgba(82,224,180,.16)}.competitor-table th.sb-col{color:#c8ffee;background:rgba(82,224,180,.11)}.competitor-table .spotlight-row td{background-color:rgba(99,168,255,.035)}.competitor-table .spotlight-row .sb-col{background:linear-gradient(90deg,rgba(82,224,180,.12),rgba(99,168,255,.08))}.table-note{font-size:.82rem;color:#8fa4b8;margin:13px 3px 0;max-width:1000px}.pricing-wizard-demo{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.wizard-card{padding:22px;border-radius:18px;border:1px solid rgba(99,168,255,.2);background:linear-gradient(180deg,rgba(99,168,255,.08),rgba(10,25,43,.6));position:relative}.wizard-num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:10px;background:rgba(82,224,180,.1);border:1px solid rgba(82,224,180,.24);color:#c0ffea;font-weight:850;font-size:.78rem}.wizard-card h3{margin:14px 0 7px}.wizard-card p{margin:0;color:var(--muted);font-size:.94rem}.compare-callout{margin-top:24px}.compare-statement{margin-top:38px}.compare-flow{grid-template-columns:repeat(8,minmax(120px,1fr));margin-bottom:18px}.compare-tags{margin-top:18px}.source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.source-card{display:grid;gap:5px;padding:18px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.025);transition:.2s ease}.source-card:hover{border-color:rgba(99,168,255,.4);transform:translateY(-1px)}.source-card strong{color:#eaf4ff}.source-card span{color:var(--muted);font-size:.88rem}.legal-note{font-size:.8rem;color:#7f93a8;margin-top:20px}.compare-hero strong{color:#d5fff2}
@media(max-width:980px){.pricing-wizard-demo{grid-template-columns:1fr 1fr}.source-grid{grid-template-columns:1fr 1fr}.nav-links{gap:16px}}
@media(max-width:680px){.pricing-wizard-demo,.source-grid{grid-template-columns:1fr}.competitor-table-wrap{border-radius:12px}.reviewed{margin-top:0}}


/* FAQ / AEO system — v4 */
.faq-all-link{margin:18px 0 0}.faq-index-section{padding:24px 0 54px}.faq-index{display:flex;flex-wrap:wrap;gap:9px 12px;align-items:center;margin-bottom:24px}.faq-index strong{color:#d9e8f5;margin-right:4px}.faq-index a{padding:7px 10px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.025);color:#c3d2e1;font-size:.84rem;font-weight:700}.faq-index a:hover{border-color:rgba(82,224,180,.32);color:#fff;background:rgba(82,224,180,.06)}.faq-group{scroll-margin-top:92px}.faq-group:nth-of-type(even){background:#0b1626}.faq-group .section-head{margin-bottom:24px}.faq-intro{margin-top:0}.faq-intro h3{font-size:clamp(1.35rem,2.7vw,2rem)}


/* SEO keyword expansion — v5 */
.seo-link-grid .card{display:block}.seo-link-grid .card h3{margin-top:0}.seo-link-grid .card:hover{border-color:rgba(99,168,255,.35);transform:translateY(-1px)}