:root{
  --bg:#0A0C0F; --bg-2:#0E1115; --surface:#14171C; --raised:#1C2026; --line:#23272E; --line-2:#2E333B;
  --ink:#F2F3F5; --soft:#C9CED5; --muted:#8A929C; --faint:#5D646E;
  --amber:#FFB547; --amber-text:#FFB547; --on-amber:#1A1206; --amber-wash:rgba(255,181,71,.10);
  --tower:#7FD4FF; --tower-text:#7FD4FF; --tower-wash:rgba(127,212,255,.10);
  --shadow:0 40px 80px -30px rgba(0,0,0,.8);
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --display:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color-scheme:dark;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#F5F4EF; --bg-2:#EDEBE4; --surface:#FFFFFF; --raised:#F0EEE8; --line:#E1DED5; --line-2:#D3CFC4;
    --ink:#0D1014; --soft:#2F3640; --muted:#5B636D; --faint:#8A919A;
    --amber-text:#9A5A00; --amber-wash:rgba(255,181,71,.18);
    --tower-text:#0A6A96; --tower-wash:rgba(10,106,150,.08);
    --shadow:0 40px 80px -36px rgba(20,24,30,.45);
    color-scheme:light;
  }
}
:root[data-theme="light"]{
  --bg:#F5F4EF; --bg-2:#EDEBE4; --surface:#FFFFFF; --raised:#F0EEE8; --line:#E1DED5; --line-2:#D3CFC4;
  --ink:#0D1014; --soft:#2F3640; --muted:#5B636D; --faint:#8A919A;
  --amber-text:#9A5A00; --amber-wash:rgba(255,181,71,.18);
  --tower-text:#0A6A96; --tower-wash:rgba(10,106,150,.08);
  --shadow:0 40px 80px -36px rgba(20,24,30,.45);
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.55 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.eyebrow{font:600 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.eyebrow.amber{color:var(--amber-text)} .eyebrow.tower{color:var(--tower-text)}
h1,h2,h3{font-family:var(--display);margin:0;letter-spacing:-.025em;text-wrap:balance}
h2{font-size:clamp(32px,4.4vw,52px);line-height:1.04;font-weight:700}
h3{font-size:21px;line-height:1.25;font-weight:650;letter-spacing:-.01em}
p{margin:0}
.lede{font-size:clamp(18px,1.6vw,20px);color:var(--soft);max-width:34em;text-wrap:pretty}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;z-index:9;background:var(--amber);color:var(--on-amber);padding:8px 12px;border-radius:8px}

/* nav */
.nav{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent}
.nav .wrap{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:650;letter-spacing:-.01em}
.brand img{width:30px;height:30px;border-radius:8px}
.nav-links{display:flex;gap:24px;margin-left:auto;font-size:15px}
.nav-links a{text-decoration:none;color:var(--soft)} .nav-links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:999px;border:0;font:600 16px/1 var(--sans);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn-amber{background:var(--amber);color:var(--on-amber)} .btn-amber:hover{filter:brightness(1.06)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--tower);outline-offset:3px}

/* hero */
.hero{position:relative;padding:72px 0 40px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:900px;height:900px;background:radial-gradient(closest-side,var(--tower-wash),transparent 70%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;position:relative}
.hero h1{font-size:clamp(44px,6.6vw,84px);line-height:.98;font-weight:750;letter-spacing:-.04em;margin:18px 0 22px}
.hero h1 em{font-style:normal;color:var(--amber-text)}
.notify{display:flex;gap:10px;max-width:480px;margin-top:30px}
.notify input{flex:1;min-width:0;height:52px;padding:0 18px;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);font:400 16px var(--sans)}
.notify input::placeholder{color:var(--faint)}
.notify .btn{height:52px}
.notify-note{margin-top:12px;font-size:14px;color:var(--muted)}
.notify-ok{display:none;margin-top:30px;max-width:480px;padding:16px 18px;border-radius:16px;background:var(--amber-wash);border:1px solid color-mix(in srgb,var(--amber) 40%,transparent);font-weight:550}
.notify.done{display:none}.notify.done + .notify-note{display:none}.notify.done ~ .notify-ok{display:block}
.facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:34px;font:500 13px/1.3 var(--mono);color:var(--muted);letter-spacing:.02em}
.facts span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--tower);margin-right:9px;vertical-align:2px}

.stage{position:relative;display:flex;justify-content:center;min-height:620px}
.phone{position:relative;width:300px;border-radius:54px;padding:11px;background:linear-gradient(160deg,#2a2f37,#111418 55%,#22262d);box-shadow:var(--shadow),inset 0 0 0 1px rgba(255,255,255,.06)}
.phone img{border-radius:44px;width:100%;aspect-ratio:1206/2622;object-fit:cover;background:#000}
.phone.sm{width:236px;border-radius:44px;padding:9px}.phone.sm img{border-radius:36px}
.chip{position:absolute;z-index:2;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line-2);border-radius:18px;padding:12px 14px;box-shadow:0 18px 40px -18px rgba(0,0,0,.6);font-size:14px;line-height:1.35;max-width:240px}
.chip .eyebrow{font-size:10.5px;margin-bottom:6px;display:flex;align-items:center;gap:7px}
.phone-wrap{position:relative}
.chip.tw{left:-158px;top:176px;width:230px}.chip.you{right:-150px;top:448px;width:210px}
.wave{display:inline-flex;gap:2px;align-items:center;height:10px}.wave i{width:2px;border-radius:2px;background:currentColor;height:40%}.wave i:nth-child(2){height:90%}.wave i:nth-child(3){height:60%}.wave i:nth-child(4){height:100%}.wave i:nth-child(5){height:50%}

/* sections */
section{padding:110px 0}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head h2{margin:14px 0 18px}
.band{background:var(--bg-2);border-block:1px solid var(--line)}

/* steps */
.how{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.steps li{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:22px;border-radius:22px;background:var(--surface);border:1px solid var(--line)}
.steps .n{font:600 13px/1 var(--mono);color:var(--amber-text);width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--amber-wash)}
.steps p{color:var(--soft);margin-top:6px;font-size:16px}
.how-shots{display:flex;gap:22px;justify-content:center;align-items:flex-start}
.how-shots .phone:last-child{margin-top:70px}

/* sources strip */
.sources{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.src{font:600 12px/1 var(--mono);letter-spacing:.06em;padding:9px 12px;border-radius:10px;border:1px solid var(--line-2);color:var(--soft)}

/* course */
.course{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:start}
.stages{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.st{padding:18px 18px 20px;border-radius:18px;background:var(--surface);border:1px solid var(--line);position:relative}
.st .code{font:600 11px/1 var(--mono);letter-spacing:.14em;color:var(--muted)}
.st h3{font-size:17px;margin:10px 0 6px}
.st p{font-size:14.5px;color:var(--muted);line-height:1.45}
.tag{position:absolute;top:14px;right:14px;font:700 10px/1 var(--mono);letter-spacing:.12em;padding:5px 7px;border-radius:6px}
.tag.free{background:var(--tower-wash);color:var(--tower-text)}
.tag.pro{border:1px solid color-mix(in srgb,var(--amber) 55%,transparent);color:var(--amber-text)}
.st.wide{grid-column:1/-1}
.course aside{position:sticky;top:96px;display:flex;flex-direction:column;align-items:center;gap:18px}
.course aside p{font-size:14px;color:var(--muted);text-align:center;max-width:260px}

/* features */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{border-radius:28px;background:var(--surface);border:1px solid var(--line);padding:36px 36px 0;overflow:hidden;display:flex;flex-direction:column}
.card h3{font-size:26px;margin:12px 0 10px;letter-spacing:-.02em}
.card p{color:var(--soft);font-size:16px}
.card .shot{margin:34px auto -150px;width:270px}
.card .phone{width:270px}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pill{font:500 13px/1 var(--sans);padding:8px 12px;border-radius:999px;background:var(--raised);color:var(--soft)}
.pill.t{color:var(--tower-text);background:var(--tower-wash)}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.mini{border-radius:22px;background:var(--surface);border:1px solid var(--line);padding:26px}
.mini h3{font-size:18px;margin-bottom:8px}.mini p{color:var(--muted);font-size:15px}
.mini .ico{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--tower-wash);color:var(--tower-text);margin-bottom:16px}

/* pricing */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:920px}
.plan{border-radius:28px;padding:34px;background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column}
.plan.pro{border:2px solid var(--amber);background:linear-gradient(180deg,var(--amber-wash),transparent 40%),var(--surface)}
.price{font:700 46px/1 var(--display);letter-spacing:-.04em;margin:18px 0 4px}
.price small{font:500 15px var(--sans);letter-spacing:0;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px;font-size:15.5px;color:var(--soft)}
.plan li{display:grid;grid-template-columns:20px 1fr;gap:10px}
.plan li::before{content:"";width:16px;height:16px;margin-top:4px;border-radius:50%;background:var(--tower-wash);box-shadow:inset 0 0 0 4px var(--surface),inset 0 0 0 16px var(--tower)}
.plan.pro li::before{background:var(--amber);box-shadow:inset 0 0 0 4px var(--surface),inset 0 0 0 16px var(--amber)}
.trial{display:inline-block;font:700 11px/1 var(--mono);letter-spacing:.1em;background:var(--amber);color:var(--on-amber);padding:6px 9px;border-radius:999px;margin-left:8px;vertical-align:4px}
.alt{font:500 14px var(--mono);color:var(--muted)}
.fine{margin-top:22px;font-size:13.5px;color:var(--muted);max-width:920px}

/* faq */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font:600 18px/1.35 var(--sans);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:18px;font:400 26px/1 var(--sans);color:var(--muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 22px;color:var(--soft);max-width:44em}

/* final */
.final{text-align:center}
.final .box{border-radius:36px;padding:72px 28px;background:radial-gradient(120% 120% at 50% 0%,var(--tower-wash),transparent 60%),var(--surface);border:1px solid var(--line)}
.final h2{max-width:14em;margin:16px auto 16px}
.final .lede{margin:0 auto}
.final .notify,.final .notify-ok{margin-left:auto;margin-right:auto}
.final .notify-note{text-align:center}

footer{padding:48px 0 64px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px 32px;align-items:center}
footer nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-left:auto}
footer a{text-decoration:none;color:var(--soft)} footer a:hover{color:var(--ink)}
.disclaimer{flex-basis:100%;font-size:13px;color:var(--faint)}

@media (max-width:980px){
  .hero .wrap,.how,.course{grid-template-columns:1fr}
  .stage{min-height:0;margin-top:12px}
  .course aside{position:static}
  .feat,.plans{grid-template-columns:1fr}
  .trio{grid-template-columns:1fr}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  body{font-size:16px}
  .nav-links{display:none}
  .nav .btn{margin-left:auto}
  .hero{padding:40px 0 12px}
  .notify{flex-direction:column}
  .notify input{flex:none;width:100%}
  .notify .btn{width:100%}
  section{padding:76px 0}
  .sec-head{margin-bottom:36px}
  .phone{width:250px;border-radius:46px;padding:9px}.phone img{border-radius:38px}
  .chip{display:none}
  .stages{grid-template-columns:1fr}
  .how-shots .phone.sm{width:46%;padding:6px;border-radius:30px}.how-shots .phone.sm img{border-radius:25px}
  .how-shots .phone:last-child{margin-top:40px}
  .card{padding:26px 22px 0;border-radius:24px}
  .card h3{font-size:23px}
  .card .shot,.card .phone{width:230px}
  .plan{padding:26px}
  .final .box{padding:52px 20px;border-radius:28px}
}
@media (prefers-reduced-motion:no-preference){
  .chip.tw{animation:float 6s ease-in-out infinite}.chip.you{animation:float 6s ease-in-out -3s infinite}
  @keyframes float{50%{transform:translateY(-6px)}}
}

/* production additions (not in the mock) */
:root{--err:#FF8A7A}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]){--err:#B3261E}}
:root[data-theme="light"]{--err:#B3261E}
picture{display:block}
.how .head h2{margin:14px 0 18px}
.how .head .lede{margin-bottom:34px}
.appstore{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font:600 13px/1 var(--mono);letter-spacing:.06em;color:var(--soft);text-decoration:none;padding:10px 14px;border-radius:12px;border:1px solid var(--line-2)}
a.appstore[href^="https://apps.apple.com"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.final .appstore{margin-top:26px}
.notify-err{display:none;margin-top:10px;font-size:14px;color:var(--err)}
.notify-err.show{display:block}
.notify.done ~ .notify-err{display:none}
.notify input[aria-invalid="true"]{border-color:var(--err)}
.notify.busy .btn{opacity:.6;pointer-events:none}