/* Seralyn — shared design system (homepage + ad-service page) */
:root{
  --bg:#090d15; --bg2:#0b1120; --panel:#111726; --panel2:#0e1422;
  --line:#1d2740; --line2:#283558; --ink:#eef2fb; --muted:#aeb8d0; --faint:#8893b0;
  --accent:#5aa6ff; --accent2:#36e0c4; --violet:#9d7bff; --gold:#ffc24d;
  --radius:16px; --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);overflow-x:hidden;
  font:16px/1.65 "Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,.brand,.mono{font-family:"Space Grotesk","Inter",system-ui,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{color:#8ec2ff}
img{max-width:100%;display:block}

.bg{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none;
  background:
    radial-gradient(60vmax 50vmax at 12% -8%, rgba(90,166,255,.22), transparent 60%),
    radial-gradient(52vmax 44vmax at 92% 2%, rgba(54,224,196,.14), transparent 62%),
    radial-gradient(60vmax 54vmax at 78% 108%, rgba(157,123,255,.14), transparent 60%),
    var(--bg)}
.bg::after{content:"";position:absolute;width:60vmax;height:60vmax;right:-14vmax;top:-10vmax;
  border-radius:50%;filter:blur(110px);opacity:.5;will-change:transform;
  background:radial-gradient(circle,rgba(90,166,255,.20),transparent 60%);
  animation:drift 34s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate3d(-8vmax,7vmax,0) scale(1.12)}}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.03;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
header{position:sticky;top:0;z-index:5;backdrop-filter:blur(10px);
  background:rgba(9,13,21,.66);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18px;letter-spacing:.2px;color:var(--ink)}
.mark{width:30px;height:30px;flex:0 0 30px}
.nav nav{display:flex;align-items:center;gap:4px}
.navlink{color:var(--muted);font-size:14px;padding:8px 12px;border-radius:9px}
.navlink:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.navlink.cta{color:#06121f;background:var(--accent);font-weight:600}
.navlink.cta:hover{color:#06121f;filter:brightness(1.07)}

.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;padding:74px 0 44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent2);font-weight:600;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent2);box-shadow:0 0 10px var(--accent2)}
h1{font-size:clamp(34px,5.2vw,58px);line-height:1.05;margin:18px 0 18px;letter-spacing:-.025em;font-weight:700}
h1 .grad{background:linear-gradient(100deg,var(--accent),var(--accent2) 48%,var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(16px,2.2vw,19px);color:var(--muted);max-width:560px;margin:0}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.sub{margin-top:14px;font-size:13.5px;color:var(--faint)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 20px;border-radius:11px;cursor:pointer;
  font-weight:600;font-size:15px;border:0;font-family:inherit;
  transition:transform .15s ease,filter .15s ease,background .15s ease,border-color .15s}
.btn.primary{background:var(--accent);color:#06121f}
.btn.primary:hover{color:#06121f;filter:brightness(1.07);transform:translateY(-1px)}
.btn.ghost{border:1px solid var(--line2);color:var(--ink);background:transparent}
.btn.ghost:hover{color:var(--ink);border-color:#3a4a74;background:rgba(255,255,255,.03);transform:translateY(-1px)}
.btn.lg{padding:15px 26px;font-size:16px}
.btn[disabled]{opacity:.6;cursor:default;transform:none}

/* Hero show card */
.showcard{position:relative;background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);border-radius:18px;padding:22px;overflow:hidden}
.showcard .phone{margin:4px auto 16px;width:150px;aspect-ratio:9/16;border-radius:18px;border:1px solid var(--line2);
  background:radial-gradient(90% 60% at 20% 0%, rgba(90,166,255,.35), transparent 60%),radial-gradient(80% 60% at 100% 100%, rgba(157,123,255,.30), transparent 60%),#0a1020;
  display:flex;flex-direction:column;justify-content:flex-end;padding:12px;position:relative}
.showcard .phone::before{content:"● REC";position:absolute;top:10px;left:12px;font-size:9px;letter-spacing:.14em;color:#ff7a7a}
.showcard .phone .cap{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:15px;line-height:1.1;color:#fff}
.showcard .phone .cap b{color:var(--accent2)}
.showcard .phone .bar{height:4px;border-radius:3px;background:rgba(255,255,255,.25);margin-top:10px;overflow:hidden}
.showcard .phone .bar::after{content:"";display:block;height:100%;width:62%;background:var(--accent)}
.showcard .mini{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}
.showcard .mini div{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:10px;padding:10px 6px}
.showcard .mini b{display:block;font-family:"Space Grotesk",sans-serif;font-size:17px;color:var(--gold)}
.showcard .mini span{font-size:11px;color:var(--faint)}

.proof{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin-top:8px}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);
  background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:999px;padding:7px 14px}
.chip b{color:var(--ink);font-weight:600}
.chip svg{flex:0 0 15px}

section{padding:58px 0}
.shead{max-width:660px;margin:0 0 30px}
.shead h2{font-size:clamp(23px,3.2vw,32px);letter-spacing:-.02em;margin:0 0 10px;font-weight:700}
.shead p{color:var(--muted);margin:0;font-size:16px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:14px;padding:22px}
.step .n{width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-family:"Space Grotesk",sans-serif;font-weight:700;color:#06121f;background:linear-gradient(135deg,var(--accent),var(--accent2));margin-bottom:12px}
.step h4{margin:0 0 6px;font-size:16px;font-family:"Space Grotesk",sans-serif;font-weight:600}
.step p{margin:0;color:var(--muted);font-size:14px}

.plans{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}
.plans.three{grid-template-columns:repeat(3,1fr)}
.plan{position:relative;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column}
.plan.feat{border-color:var(--line2);box-shadow:0 18px 50px -30px rgba(90,166,255,.6)}
.plan .tag{position:absolute;top:-11px;right:18px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#06121f;background:var(--gold);border-radius:999px;padding:4px 11px}
.hl{color:var(--gold)}
.eyebrow .dot{background:var(--gold);box-shadow:0 0 10px var(--gold)}
.plan h3{margin:0 0 4px;font-size:18px;font-weight:700}
.plan .p{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:34px;letter-spacing:-.02em;margin:6px 0 2px}
.plan .p span{font-size:14px;color:var(--faint);font-weight:500}
.plan .ds{color:var(--muted);font-size:14px;margin:4px 0 16px}
.plan ul{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:9px;flex:1}
.plan li{display:flex;gap:9px;font-size:14px;color:var(--ink)}
.plan li svg{flex:0 0 15px;margin-top:4px}
.plan li span{color:var(--muted)}

.line{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch;
  background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-bottom:22px}
.line + .line{margin-bottom:0}
.line .who{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent2)}
.line h3{font-size:clamp(20px,2.4vw,24px);margin:12px 0 8px;letter-spacing:-.02em;font-weight:700}
.line .desc{color:var(--muted);margin:0 0 20px;font-size:15px}
.line .items{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:9px}
.line .items li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:11px;font-size:14px}
.line .items a{color:var(--ink);font-weight:500}
.line .items a:hover{color:var(--accent)}
.line .items .p{color:var(--muted);font-weight:600;white-space:nowrap}
.line .vis{border-radius:13px;border:1px solid var(--line);min-height:200px;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:18px}
.line.aw .vis{background:radial-gradient(90% 120% at 20% 0%, rgba(90,166,255,.28), transparent 60%),radial-gradient(80% 100% at 100% 100%, rgba(157,123,255,.22), transparent 60%),var(--bg2)}
.line.bn .vis{background:radial-gradient(90% 120% at 80% 0%, rgba(54,224,196,.26), transparent 60%),radial-gradient(80% 100% at 0% 100%, rgba(90,166,255,.18), transparent 60%),var(--bg2)}
.line .vis .vt{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:clamp(19px,2.6vw,27px);letter-spacing:-.02em;line-height:1.1;color:var(--ink)}
.line .vis .vs{color:var(--muted);font-size:13px;margin-top:4px}
.line .vis .badge{position:absolute;top:14px;right:14px;font-size:11px;color:var(--muted);border:1px solid var(--line2);border-radius:999px;padding:4px 10px;background:rgba(9,13,21,.5)}

/* Books (KDP) */
.books{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.book{display:flex;gap:16px;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:14px;padding:18px}
.book img.cov{display:block;width:72px;height:auto;object-fit:cover;background:#0a1020;align-self:flex-start;padding:0}
.book .cov{flex:0 0 72px;width:72px;height:104px;border-radius:7px;border:1px solid var(--line2);display:flex;align-items:center;justify-content:center;text-align:center;
  font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:11px;line-height:1.15;padding:8px;color:#fff}
.book .cov.cottage{background:linear-gradient(160deg,#2e7d5b,#8a6a4a)}
.book .cov.hack{background:linear-gradient(160deg,#0b2545,#123a5e)}
.book h4{margin:0 0 4px;font-size:15px;font-family:"Space Grotesk",sans-serif;font-weight:600;line-height:1.2}
.book .by{color:var(--faint);font-size:12.5px;margin:0 0 8px}
.book .bm{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.book .bm .px{color:var(--ink);font-weight:600}
.book .bm .st{border:1px solid var(--line2);border-radius:999px;padding:1px 8px;color:var(--accent2)}

.more{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.more.two{grid-template-columns:repeat(2,1fr);max-width:760px}
.mcard{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:14px;padding:22px}
.mcard .mk{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent2);border:1px solid var(--line2);border-radius:999px;padding:3px 10px;margin-bottom:12px}
.mcard h4{margin:0 0 7px;font-size:16px;font-family:"Space Grotesk",sans-serif;font-weight:600}
.mcard p{margin:0;color:var(--muted);font-size:14px}

/* Lead form */
.formwrap{display:grid;grid-template-columns:1fr .9fr;gap:40px;align-items:start}
.formside h2{font-size:clamp(23px,3.2vw,30px);margin:0 0 10px;letter-spacing:-.02em}
.formside p{color:var(--muted);margin:0 0 18px}
.formside .tick{display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:14px;margin:0 0 10px}
.formside .tick svg{flex:0 0 15px;margin-top:4px}
form.lead{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:24px}
form.lead .fld{margin-bottom:14px}
form.lead label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}
form.lead input,form.lead textarea,form.lead select{width:100%;background:#0a0f1b;border:1px solid var(--line2);border-radius:10px;
  color:var(--ink);font:inherit;font-size:15px;padding:11px 13px}
form.lead textarea{min-height:88px;resize:vertical}
form.lead input:focus,form.lead textarea:focus,form.lead select:focus{outline:none;border-color:var(--accent)}
form.lead .hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
form.lead .msg{margin-top:12px;font-size:14px;border-radius:10px;padding:11px 13px;display:none}
form.lead .msg.ok{display:block;background:rgba(54,224,196,.1);border:1px solid rgba(54,224,196,.35);color:#9af0e0}
form.lead .msg.err{display:block;background:rgba(255,120,120,.1);border:1px solid rgba(255,120,120,.35);color:#ffb3b3}
form.lead .btn{width:100%;justify-content:center;margin-top:4px}
form.lead .fine{color:var(--faint);font-size:12px;margin:12px 0 0;text-align:center}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:10px;max-width:760px}
.faq details{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:12px;padding:4px 18px}
.faq summary{cursor:pointer;list-style:none;padding:14px 0;font-weight:600;font-size:15.5px;font-family:"Space Grotesk",sans-serif;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent2);font-weight:700}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--muted);margin:0 0 14px;font-size:14.5px}

.band{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:34px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.band h3{margin:0 0 6px;font-size:22px;font-weight:700}
.band p{margin:0;color:var(--muted)}

footer{border-top:1px solid var(--line);margin-top:20px;padding:30px 0 50px;color:var(--faint);font-size:14px}
.foot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
.foot a{color:var(--muted)} .foot a:hover{color:var(--ink)}
.foot .lnks{display:flex;gap:16px;flex-wrap:wrap}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:var(--panel);color:var(--ink);padding:10px 14px;border:1px solid var(--line);border-radius:8px;z-index:10}
.skip:focus{left:12px;top:12px}

@media (max-width:860px){
  .hero{grid-template-columns:1fr;gap:34px;padding:52px 0 32px}
  .steps,.plans,.plans.three,.more,.more.two,.books,.formwrap{grid-template-columns:1fr}
  .line{grid-template-columns:1fr;padding:24px}
  .line .vis{min-height:140px;order:-1}
  .nav{flex-wrap:wrap;height:auto;padding:9px 0;row-gap:8px}
  .nav nav{width:100%;flex-wrap:wrap;gap:3px;justify-content:flex-start}
  .nav nav .navlink{font-size:13px;padding:6px 10px}
  .nav nav .navlink.cta{margin-left:auto}
}

/* Service demo screens (agents/support hero show-card) */
.phone.demo{padding:0;overflow:hidden;background:#0a1020;justify-content:flex-start}
.phone.demo::before{content:none}
.phone.demo .dhead{font-weight:700;font-size:9px;letter-spacing:.06em;padding:10px 10px 2px;color:#ff8a8a}
.phone.demo .dhead.ok{color:var(--accent2)}
.phone.demo .dmiss{margin:7px 10px 0;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:8px;padding:7px 8px;color:var(--muted);font-size:9.5px;opacity:.72;line-height:1.25}
.phone.demo .dbub{margin:8px 10px 0;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06121f;font-weight:600;border-radius:11px 11px 11px 3px;padding:8px 9px;font-size:10px;line-height:1.3;animation:dIn .55s ease 1s both}
.phone.demo .dok{margin:8px 10px 0;color:var(--accent2);font-size:9px;font-weight:600;line-height:1.25;animation:dIn .55s ease 1.5s both}
.phone.demo .dstep{margin:7px 10px 0;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:8px;padding:6px 8px;font-size:9.5px;color:var(--muted)}
.phone.demo .dstep.done{color:var(--accent2)}
.phone.demo .dstep.now{color:var(--gold);animation:dPulse 1.3s ease infinite}
@keyframes dIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes dPulse{50%{opacity:.45}}
@media (prefers-reduced-motion:reduce){.phone.demo .dbub,.phone.demo .dok{animation:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* Real-video show card + showreel */
.showcard .phone.vid{padding:0;overflow:hidden}
.showcard .phone.vid video{width:100%;height:100%;object-fit:cover;display:block;border-radius:inherit}
.reel{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:600px;margin:0 auto}
.rv{min-width:0;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:14px;padding:10px;text-align:center}
.rv video{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:10px;border:1px solid var(--line2);display:block;background:#0a1020}
.rv span{display:block;margin-top:8px;font-size:12px;color:var(--faint)}
@media (max-width:860px){.reel{grid-template-columns:repeat(2,minmax(0,1fr))}}