/* Kern — kern.cards */
:root{
  --bg:#0F0F0F; --type:#F2F2EC; --dim:#9A9A92; --faint:#5C5C56;
  --accent:#CFE83D; --line:#262624; --card:#161613;
  --cyan:#4CCDB1; --violet:#A893E8; --tang:#F06542; --gold:#E6B84C;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,'SF Pro Text','Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--type);line-height:1.55;-webkit-font-smoothing:antialiased}
.mono{font-family:ui-monospace,'SF Mono',Menlo,monospace;letter-spacing:.14em;text-transform:uppercase;font-size:12px}
.h{font-weight:800;letter-spacing:-.035em;line-height:1.02}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}

/* header */
header.site{position:sticky;top:0;z-index:10;background:rgba(15,15,15,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.06em;font-size:23px}
.logo img{width:28px;height:28px;border-radius:7px}
.nav-links{display:flex;gap:22px;align-items:center;font-size:14px;color:var(--dim)}
.nav-links a:hover{color:var(--type)}
.navcta{font-size:13px;font-weight:700;background:var(--accent);color:var(--bg);padding:9px 17px;border-radius:9px}
@media(max-width:640px){.nav-links a:not(.navcta){display:none}}

/* hero */
.hero{padding:84px 0 40px}
.hero .kicker{color:var(--accent)}
.hero h1{font-size:clamp(44px,8.5vw,96px);margin:18px 0 22px;text-transform:uppercase}
.hero p.sub{font-size:clamp(17px,2.2vw,21px);color:var(--dim);max-width:640px}
.hero .sub b{color:var(--type)}
.cta-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:34px}
.freeline{font-size:13px;color:var(--faint)}

/* app store button */
.appstore{display:inline-flex;align-items:center;gap:11px;background:var(--type);color:var(--bg);padding:13px 22px;border-radius:12px;font-weight:700;line-height:1.15}
.appstore:hover{background:#fff}
.appstore svg{width:22px;height:26px;flex:none}
.appstore .small{display:block;font-size:11px;font-weight:600;opacity:.7}
.appstore .big{font-size:17px;letter-spacing:-.02em}
.appstore.ghost{background:transparent;color:var(--type);border:1px solid var(--line)}
.appstore.ghost:hover{border-color:var(--dim)}

/* sections */
section{padding:76px 0}
.kicker{display:block;margin-bottom:14px}
h2.h{font-size:clamp(30px,5vw,52px);text-transform:uppercase;margin-bottom:16px}
.lead{color:var(--dim);font-size:18px;max-width:620px}

/* screenshots marquee */
.shots{overflow:hidden;padding:34px 0 10px}
.shots .track{display:flex;width:max-content;animation:shots-scroll 50s linear infinite}
.shots:hover .track{animation-play-state:paused}
.shots .set{display:flex;gap:18px;padding-right:18px}
.shots img{width:min(60vw,260px);flex:none;border-radius:22px;border:1px solid var(--line)}
@keyframes shots-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){
  .shots{overflow-x:auto;padding-left:24px}
  .shots .track{animation:none}
}

/* how it works */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 24px}
.step .n{font-size:44px;font-weight:800;letter-spacing:-.04em;line-height:1;margin-bottom:14px}
.step:nth-child(1) .n{color:var(--accent)}
.step:nth-child(2) .n{color:var(--violet)}
.step:nth-child(3) .n{color:var(--cyan)}
.step h3{font-size:19px;letter-spacing:-.02em;margin-bottom:8px}
.step p{color:var(--dim);font-size:15px}

/* feature color blocks */
.blocks{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:40px}
@media(max-width:760px){.blocks{grid-template-columns:1fr}}
.block{border-radius:22px;padding:30px 26px;color:#101010}
.block h3{font-size:clamp(20px,2.6vw,26px);font-weight:800;letter-spacing:-.03em;text-transform:uppercase;line-height:1.05;margin-bottom:10px}
.block p{font-size:15px;line-height:1.5;opacity:.85;font-weight:500}
.block.lime{background:var(--accent)}
.block.violet{background:var(--violet)}
.block.orange{background:var(--tang)}
.block.teal{background:var(--cyan)}
.block.gold{background:var(--gold)}
.block.dark{background:var(--card);border:1px solid var(--line);color:var(--type)}
.block.dark p{color:var(--dim)}

/* guides */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
@media(max-width:900px){.guide-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.guide-grid{grid-template-columns:1fr}}
.gcard{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px 24px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s}
.gcard:hover{border-color:var(--dim)}
.gcard .tag{font-size:11px}
.gcard h3{font-size:18px;letter-spacing:-.02em;line-height:1.25}
.gcard p{color:var(--dim);font-size:14px;flex:1}
.gcard .more{font-size:13px;font-weight:700;color:var(--accent)}

/* faq */
.faq{max-width:760px}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:17px;letter-spacing:-.015em;padding:16px 30px 16px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:12px;font-size:24px;font-weight:400;color:var(--faint)}
.faq details[open] summary::after{content:"–"}
.faq .a{color:var(--dim);font-size:15.5px;padding:0 0 18px;max-width:640px}
.faq .a a{color:var(--accent);font-weight:600}

/* big cta */
.bigcta{background:var(--accent);border-radius:26px;padding:clamp(38px,6vw,72px) clamp(26px,5vw,64px);color:#101010;text-align:left}
.bigcta h2{font-size:clamp(32px,5.6vw,58px);font-weight:800;letter-spacing:-.035em;line-height:1.02;text-transform:uppercase;margin-bottom:14px}
.bigcta p{font-weight:600;font-size:17px;opacity:.8;max-width:540px;margin-bottom:28px}
.bigcta .appstore{background:#101010;color:var(--accent)}
.bigcta .appstore:hover{background:#000}

/* footer */
footer.site{border-top:1px solid var(--line);padding:44px 0 60px;margin-top:40px}
.ft{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;font-size:14px;color:var(--dim)}
.ft .cols{display:flex;gap:56px;flex-wrap:wrap}
.ft h4{font-size:12px;color:var(--faint);margin-bottom:12px}
.ft ul{list-style:none;padding:0;display:grid;gap:8px}
.ft a:hover{color:var(--type)}
.ft .fine{font-size:12px;color:var(--faint);margin-top:26px}

/* ---------- guide article pages ---------- */
.article{max-width:720px;margin:0 auto;padding:64px 24px 40px}
.article .crumbs{font-size:13px;color:var(--faint);margin-bottom:26px}
.article .crumbs a{color:var(--dim)}
.article .crumbs a:hover{color:var(--type)}
.article h1{font-size:clamp(32px,6vw,52px);font-weight:800;letter-spacing:-.035em;line-height:1.05;margin-bottom:18px}
.article .intro{font-size:19px;color:var(--dim);margin-bottom:8px}
.article .meta{font-size:12px;color:var(--faint);margin:22px 0 40px}
.article h2{font-size:clamp(22px,3.4vw,30px);font-weight:800;letter-spacing:-.025em;line-height:1.15;margin:46px 0 14px}
.article h3{font-size:19px;font-weight:700;letter-spacing:-.015em;margin:30px 0 10px}
.article p{margin:0 0 18px;color:#CFCFC8;font-size:16.5px}
.article ul,.article ol{margin:0 0 18px;padding-left:24px;color:#CFCFC8;font-size:16.5px}
.article li{margin-bottom:8px}
.article a{color:var(--accent);font-weight:600}
.article strong{color:var(--type)}
.article blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 18px;margin:0 0 18px;color:var(--dim);font-style:italic}
.article .callout{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin:30px 0}
.article .callout .tag{color:var(--accent);margin-bottom:8px;display:block}
.article .callout p{margin-bottom:0;font-size:15.5px}
.article .ctabox{background:var(--accent);border-radius:20px;padding:30px 28px;margin:44px 0;color:#101010}
.article .ctabox h2{margin:0 0 8px;font-size:24px;text-transform:uppercase}
.article .ctabox p{color:#101010;opacity:.8;font-weight:600;font-size:15.5px;margin-bottom:20px}
.article .ctabox .appstore{background:#101010;color:var(--accent)}
.article figure{margin:30px 0}
.article figure img{border-radius:20px;border:1px solid var(--line);width:min(100%,320px);margin:0 auto}
.article figcaption{text-align:center;font-size:13px;color:var(--faint);margin-top:10px}
.next-guides{border-top:1px solid var(--line);margin-top:52px;padding-top:30px}
.next-guides h4{font-size:12px;color:var(--faint);margin-bottom:16px}
.next-guides ul{list-style:none;padding:0;display:grid;gap:10px;font-size:15px}
.next-guides a{color:var(--type);font-weight:600}
.next-guides a:hover{color:var(--accent)}