:root{
  --black:#0D0E10;--bg:#0B0C0E;--navy:#0B1B2B;--navy2:#12304A;--panel:#13161A;--panel2:#171B20;
  --teal:#1FA9A0;--tealbright:#2BD4C8;--teal-d:#15756E;--gold:#C9A24B;--silver:#C7CCD4;--mute:#8A94A6;
  --line:#23282E;--ink:#E8ECEF;--paper:#FBFCFD;--paperink:#1A1F26;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;}
.shell{max-width:1120px;margin:0 auto;padding:0 22px;}
h1,h2,h3{font-family:Georgia,'Times New Roman',serif;font-weight:700;line-height:1.12;letter-spacing:-.01em;color:#fff;}
h1{font-size:clamp(34px,5vw,58px);margin:.1em 0 .35em;}
h2{font-size:clamp(26px,3.4vw,38px);margin:0 0 .5em;}
h3{font-size:21px;margin:0 0 .3em;}
p{margin:0 0 1em;color:#cdd4da;}
a{color:var(--tealbright);text-decoration:none;}
a:hover{text-decoration:underline;}
.teal{color:var(--tealbright);}
.gold{color:var(--gold);}
.measure{max-width:62ch;}.measure-c{max-width:62ch;margin-left:auto;margin-right:auto;}
.skip{position:absolute;left:-999px;}.skip:focus{left:12px;top:12px;background:#fff;color:#000;padding:8px 14px;border-radius:6px;z-index:99;}
/* header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(11,12,14,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.header-row{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px;}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:.12em;font-size:15px;font-family:Arial;}
.brand:hover{text-decoration:none;}
.mark{width:30px;height:30px;flex:none;}
.site-nav{display:flex;align-items:center;gap:24px;}
.site-nav a{color:#c7cdd3;font-size:14.5px;letter-spacing:.02em;font-family:Arial;}
.site-nav a:hover{color:#fff;text-decoration:none;}
.site-nav a.active{color:var(--tealbright);}
.btn{display:inline-block;border-radius:9px;font-weight:700;font-family:Arial;letter-spacing:.02em;cursor:pointer;border:0;transition:.15s;text-align:center;}
.btn-teal{background:var(--teal);color:#04201e;padding:12px 24px;font-size:15px;}
.btn-teal:hover{background:var(--tealbright);text-decoration:none;}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid #3a434c;padding:11px 22px;font-size:15px;}
.btn-ghost:hover{border-color:var(--teal);color:var(--tealbright);text-decoration:none;}
.nav-cta{padding:9px 18px;font-size:14px;}
.menu-btn{display:none;background:transparent;border:1.5px solid #3a434c;color:#fff;border-radius:8px;padding:8px 14px;font-family:Arial;font-size:14px;cursor:pointer;}
/* hero */
.hero{position:relative;padding:84px 0 64px;background:radial-gradient(1100px 460px at 70% -8%,rgba(31,169,160,.16),transparent 60%),linear-gradient(180deg,#0B1B2B 0%,#0B0C0E 72%);border-bottom:1px solid var(--line);overflow:hidden;}
.hero .eyebrow{font-family:Arial;color:var(--tealbright);letter-spacing:.22em;font-size:12.5px;font-weight:700;text-transform:uppercase;margin-bottom:14px;}
.hero .lede{font-size:clamp(17px,2vw,20px);color:#d6dde2;max-width:60ch;}
.hero-hub{display:flex;align-items:center;gap:18px;margin-bottom:30px;color:var(--silver);font-size:13px;font-family:Arial;letter-spacing:.06em;text-transform:uppercase;}
.hero-hub img{height:58px;width:auto;opacity:1;filter:drop-shadow(0 2px 10px rgba(0,0,0,.4));}
.hero-hub .imprint{display:flex;flex-direction:column;gap:2px;}
.hero-hub .imprint b{color:#fff;font-size:14px;letter-spacing:.10em;}
.hero-hub .imprint span{color:var(--mute);font-size:11px;letter-spacing:.14em;}
@media(max-width:600px){.hero-hub img{height:46px;}}
.slogan-tag{display:inline-block;font-family:Georgia;font-style:italic;color:var(--gold);font-size:18px;margin:6px 0 0;}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.kpis{display:flex;flex-wrap:wrap;gap:14px;margin-top:46px;}
.kpi{flex:1;min-width:150px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:10px;padding:16px 18px;}
.kpi .n{font-family:Georgia;font-size:30px;color:#fff;font-weight:700;}
.kpi .l{font-family:Arial;font-size:12px;color:var(--mute);letter-spacing:.05em;text-transform:uppercase;margin-top:3px;}
/* sections */
section.band{padding:72px 0;border-bottom:1px solid var(--line);}
section.band.alt{background:linear-gradient(180deg,#0c0f13,#0b0c0e);}
.eyebrow{font-family:Arial;color:var(--teal);letter-spacing:.2em;font-size:12px;font-weight:700;text-transform:uppercase;margin-bottom:12px;}
.grid{display:grid;gap:20px;}
.grid.g3{grid-template-columns:repeat(3,1fr);}
.grid.g2{grid-template-columns:repeat(2,1fr);}
.feat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px 24px;}
.feat h3{color:#fff;}
.feat .ic{width:40px;height:40px;border-radius:10px;background:rgba(31,169,160,.12);border:1px solid rgba(43,212,200,.3);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--tealbright);font-size:20px;}
.feat p{color:#b9c0c7;font-size:15px;margin:0;}
/* look inside spreads */
.spread{background:var(--paper);color:var(--paperink);border-radius:14px;padding:30px 32px;box-shadow:0 18px 50px rgba(0,0,0,.45);border:1px solid #e4e8ec;}
.spread + .spread{margin-top:22px;}
.spread .meta{font-family:Arial;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-d);font-weight:700;}
.spread .domain{float:right;color:#94a0ab;}
.spread .stem{font-family:Georgia;font-size:19px;line-height:1.5;margin:10px 0 16px;color:#11161c;}
.spread .opt{font-family:Arial;font-size:15px;padding:9px 14px;border:1px solid #e0e5ea;border-radius:8px;margin:7px 0;color:#2a333c;}
.spread .opt.correct{border-color:var(--teal);background:#eafaf8;font-weight:700;color:#0c4f49;}
.spread .opt .l{font-weight:700;color:#1a2a3a;margin-right:8px;}
.spread .opt.correct .l{color:var(--teal-d);}
.rat,.navbox{font-family:Arial;font-size:14px;border-radius:8px;padding:12px 15px;margin-top:12px;}
.rat{background:#f2f5f7;border-left:4px solid #9aa6b1;color:#2a333c;}
.navbox{background:#effaf9;border-left:4px solid var(--teal);color:#0c4f49;}
.rat b,.navbox b{font-family:Arial;}
.tag{display:inline-block;font-family:Arial;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--tealbright);border:1px solid rgba(43,212,200,.35);border-radius:999px;padding:3px 10px;margin-bottom:14px;}
/* pricing */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:14px;}
.tier{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:30px 26px;display:flex;flex-direction:column;}
.tier.feature{border-color:var(--teal);box-shadow:0 0 0 1px var(--teal) inset,0 16px 50px rgba(31,169,160,.14);position:relative;}
.tier .ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--teal);color:#04201e;font-family:Arial;font-weight:800;font-size:11px;letter-spacing:.12em;padding:5px 14px;border-radius:999px;text-transform:uppercase;}
.tier .name{font-family:Arial;letter-spacing:.14em;text-transform:uppercase;font-size:12.5px;color:var(--mute);font-weight:700;}
.tier .price{font-family:Georgia;font-size:46px;color:#fff;font-weight:700;margin:8px 0 2px;}
.tier .price small{font-size:16px;color:var(--mute);}
.tier .access{font-family:Arial;font-size:12.5px;color:var(--tealbright);letter-spacing:.04em;margin-bottom:14px;}
.tier ul{list-style:none;padding:0;margin:6px 0 22px;}
.tier li{font-size:14.5px;color:#c2c9d0;padding:8px 0 8px 26px;position:relative;border-top:1px solid var(--line);}
.tier li:before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700;}
.tier .btn{margin-top:auto;}
/* faq / legal */
.qa{border-top:1px solid var(--line);padding:22px 0;}
.qa h3{color:#fff;font-family:Georgia;}
.qa p{color:#b9c0c7;margin:0;}
.legal h2{font-size:24px;margin-top:34px;}
.legal p{color:#aeb6bd;font-size:15px;}
.note{background:rgba(31,169,160,.07);border:1px solid rgba(31,169,160,.25);border-radius:12px;padding:20px 22px;color:#cfe0df;font-size:15px;}
/* sample quiz host */
#quiz .qcard{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px 28px;}
#quiz .opt{display:block;width:100%;text-align:left;background:#15191e;border:1.5px solid var(--line);color:#dfe5ea;border-radius:9px;padding:13px 16px;margin:8px 0;font-family:Arial;font-size:15px;cursor:pointer;}
#quiz .opt:hover{border-color:var(--teal);}
#quiz .opt.sel{border-color:var(--teal);background:#10302d;}
#quiz .opt.correct{border-color:var(--teal);background:#10302d;color:#eafaf8;}
#quiz .opt.wrong{border-color:#7a3636;background:#2a1717;}
#quiz .reveal{margin-top:14px;}
#quiz .rat{background:#11161b;border-left:4px solid #5a6670;color:#cdd4da;}
#quiz .navbox{background:#0e2a28;border-left:4px solid var(--teal);color:#bfeae6;}
.foot-cta{padding:64px 0;text-align:center;background:radial-gradient(800px 300px at 50% 0,rgba(31,169,160,.14),transparent 65%);}
/* footer */
.site-footer{padding:48px 0 60px;border-top:1px solid var(--line);background:#08090b;}
.foot-slogan{font-family:Georgia;color:#fff;font-size:18px;margin:0 0 14px;}
.foot-slogan em{color:var(--tealbright);}
.foot-hub{display:flex;align-items:center;gap:9px;margin:0 0 10px;}
.foot-hub-label{font-family:Arial;font-size:11px;color:var(--mute);letter-spacing:.06em;text-transform:uppercase;}
.foot-hub-logo{height:36px;width:auto;opacity:.95;}
.foot-line2,.foot-sig,.foot-legal{font-family:Arial;font-size:12.5px;color:var(--mute);margin:4px 0;}
.foot-sig{color:#aeb6bd;}
@media(max-width:820px){
  .site-nav{position:fixed;inset:68px 0 auto 0;background:#0b0c0e;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:8px 22px 18px;display:none;}
  .site-nav.open{display:flex;}
  .site-nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--line);}
  .nav-cta{margin-top:10px;}
  .menu-btn{display:block;}
  .grid.g3,.grid.g2,.tiers{grid-template-columns:1fr;}
}