:root{
  --bg:#FFFFFF; --bg-warm:#FAFAF8; --soft:#F5F6F8; --panel:#F8F8FA;
  --border:#EAEBEF; --border2:#DDDFE5;
  --text:#1B1E28; --muted:#697083; --faint:#9AA0B0;
  --accent:#3D6FE7; --accent-deep:#2D5AC7; --accent-soft:#EDF2FE; --accent-line:#C6D6F9;
  --green:#22A05B; --green-bg:#E7F6EE; --amber:#8A5B00; --amber-bg:#FDF3DC; --red:#C0392B; --red-bg:#FDECEA;
  --lime-t:#5D7A12; --lime-bg:#EFF6D2;
  --r:14px; --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow-lg:0 24px 60px -12px rgba(16,24,40,.18);
  --space:clamp(72px,9vw,140px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Satoshi',-apple-system,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums lining-nums}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:32px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand svg{width:30px;height:30px}
.nav-links{display:flex;gap:26px;font-size:14px;font-weight:500;color:var(--muted);margin-left:12px}
.nav-links a:hover{color:var(--text)}
.nav .right{margin-left:auto;display:flex;gap:12px;align-items:center}
.link-quiet{font-size:14px;font-weight:600;color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:10px 20px;font-size:14.5px;
  font-weight:700;border:1px solid var(--border2);color:var(--text);background:var(--bg);
  box-shadow:var(--shadow-sm);cursor:pointer;transition:all .18s ease}
.btn:hover{border-color:var(--faint)}
.btn.pri{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.pri:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
.btn.lg{padding:14px 28px;font-size:16px;border-radius:12px}

/* hero */
.hero{position:relative;padding:clamp(64px,8vw,110px) 0 0;text-align:center;overflow:hidden;
  background:radial-gradient(900px 480px at 50% -140px,var(--accent-soft),transparent),var(--bg)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:99px;padding:6px 16px;margin-bottom:26px}
h1{font-size:clamp(38px,5.6vw,68px);line-height:1.05;letter-spacing:-.03em;font-weight:700;max-width:840px;margin:0 auto}
h1 em{font-style:normal;color:var(--accent)}
.hero .sub{font-size:clamp(16px,1.6vw,19px);color:var(--muted);max-width:620px;margin:22px auto 0;line-height:1.65}
.hero .ctas{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.hero .fine{font-size:13px;color:var(--faint);margin-top:14px}
.browser{max-width:1020px;margin:56px auto -2px;border:1px solid var(--border);border-bottom:none;
  border-radius:16px 16px 0 0;overflow:hidden;box-shadow:var(--shadow-lg);background:var(--bg)}
.browser .bar{display:flex;align-items:center;gap:6px;padding:11px 16px;border-bottom:1px solid var(--border);background:var(--panel)}
.browser .bar i{width:10px;height:10px;border-radius:99px;background:var(--border2);display:block}
.browser .bar span{margin:0 auto;font-size:11.5px;color:var(--faint);background:var(--bg);border:1px solid var(--border);
  border-radius:6px;padding:2px 40px}

/* manifesto */
.manifesto{background:var(--text);color:#fff;padding:var(--space) 0;text-align:center}
.manifesto p.big{font-size:clamp(24px,3.4vw,40px);font-weight:700;letter-spacing:-.02em;line-height:1.25;max-width:880px;margin:0 auto}
.manifesto p.big em{font-style:normal;color:#8FB2FF}
.manifesto .small{color:rgba(255,255,255,.55);font-size:15px;max-width:640px;margin:24px auto 0;line-height:1.7}

/* sections */
section{padding:var(--space) 0}
.kicker{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.025em;line-height:1.15;margin:12px 0 0;font-weight:700}
.lead{color:var(--muted);font-size:17px;max-width:560px;margin-top:16px;line-height:1.65}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}

/* hitl feature rows */
.rows{display:flex;flex-direction:column;gap:clamp(56px,7vw,96px);margin-top:clamp(48px,6vw,80px)}
.frow{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(32px,5vw,72px);align-items:center}
.frow.flip .media{order:-1}
.frow h3{font-size:24px;letter-spacing:-.02em;margin-bottom:12px}
.frow p{color:var(--muted);font-size:16px;line-height:1.7}
.frow ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:11px}
.frow li{display:flex;gap:11px;font-size:15px;color:var(--text);align-items:baseline}
.frow li:before{content:"✓";color:var(--green);font-weight:800;flex:none}
.media{border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);background:var(--bg)}
.media.pad{background:linear-gradient(160deg,var(--accent-soft),var(--soft));padding:0}

/* decision mock */
.mock{background:var(--soft);border:1px solid var(--border);border-radius:16px;padding:26px;box-shadow:var(--shadow-lg)}
.mock .q{font-weight:700;font-size:15.5px;margin-bottom:14px}
.mopt{display:flex;align-items:center;gap:11px;background:var(--bg);border:1px solid var(--border);border-radius:10px;
  padding:12px 14px;font-size:14.5px;color:var(--text);margin-bottom:9px}
.mopt .rad{width:16px;height:16px;border-radius:99px;border:1.5px solid var(--border2);flex:none}
.mopt.on{border-color:var(--accent);background:var(--accent-soft)}
.mopt.on .rad{border:5px solid var(--accent)}
.mopt .edit{margin-left:auto;font-size:12px;color:var(--accent);font-weight:700}
.mock .foot{display:flex;align-items:center;margin-top:14px;font-size:12.5px;color:var(--faint)}
.mock .foot .btn{margin-left:auto}
.chip{font-size:11px;font-weight:700;border-radius:99px;padding:3px 10px;display:inline-block}
.chip.a{background:var(--amber-bg);color:var(--amber)}
.chip.g{background:var(--green-bg);color:var(--green)}

/* steps */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:clamp(44px,5vw,64px)}
.stepc{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:30px 28px;box-shadow:var(--shadow-sm)}
.stepc .n{width:36px;height:36px;border-radius:10px;background:var(--accent-soft);color:var(--accent);font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:15px;margin-bottom:18px}
.stepc h3{font-size:18px;margin-bottom:8px;letter-spacing:-.01em}
.stepc p{color:var(--muted);font-size:14.5px;line-height:1.65}
.stepc .ex{margin-top:16px;background:var(--soft);border:1px solid var(--border);border-radius:10px;padding:11px 14px;
  font-size:13px;color:var(--muted);font-style:italic}

/* features grid */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:clamp(44px,5vw,64px)}
.fcard{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm)}
.fcard .ic{width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px}
.fcard h3{font-size:16.5px;margin-bottom:7px;letter-spacing:-.01em}
.fcard p{color:var(--muted);font-size:14px;line-height:1.6}

/* pricing */
.pricing{background:var(--panel);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.pcard{max-width:520px;margin:clamp(40px,5vw,56px) auto 0;background:var(--bg);border:1px solid var(--border2);
  border-radius:20px;padding:40px;box-shadow:var(--shadow-lg);text-align:left;position:relative}
.pcard .trial{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--green);color:#fff;
  font-size:12.5px;font-weight:700;border-radius:99px;padding:5px 16px;white-space:nowrap}
.price{display:flex;align-items:baseline;gap:8px;margin:10px 0 4px}
.price .amt{font-size:52px;font-weight:700;letter-spacing:-.03em}
.price .per{color:var(--faint);font-size:15px}
.pcard .pl{list-style:none;margin:24px 0 28px;display:flex;flex-direction:column;gap:12px}
.pcard .pl li{display:flex;gap:11px;font-size:15px;align-items:baseline}
.pcard .pl li:before{content:"✓";color:var(--green);font-weight:800;flex:none}
.pcard .fine{text-align:center;font-size:12.5px;color:var(--faint);margin-top:14px}

/* faq */
.faq{max-width:720px;margin:clamp(40px,5vw,56px) auto 0}
.faq details{border-bottom:1px solid var(--border);padding:20px 4px}
.faq summary{font-weight:700;font-size:16px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary:after{content:"+";color:var(--faint);font-size:20px;font-weight:400}
.faq details[open] summary:after{content:"–"}
.faq p{color:var(--muted);font-size:15px;margin-top:12px;line-height:1.7;max-width:640px}

/* cta + footer */
.cta-final{text-align:center;background:radial-gradient(700px 380px at 50% 120%,var(--accent-soft),transparent)}
footer{border-top:1px solid var(--border);padding:36px 0;color:var(--faint);font-size:13.5px}
footer .wrap{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
footer .brand{font-size:14.5px}
footer .brand svg{width:22px;height:22px}
footer .links{margin-left:auto;display:flex;gap:22px}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.rv{opacity:1;transform:none;transition:none}}

@media (max-width:900px){
  .nav-links{display:none}
  .frow{grid-template-columns:1fr}
  .frow.flip .media{order:0}
  .steps3,.grid3{grid-template-columns:1fr}
  .grid3{max-width:480px;margin-left:auto;margin-right:auto}
}

/* ===== futuristic layer ===== */
.hero{background:none;position:relative}
.hero .mesh{position:absolute;inset:0;overflow:hidden;z-index:-1}
.mesh i{position:absolute;border-radius:999px;filter:blur(90px);opacity:.55;animation:drift 16s ease-in-out infinite alternate}
.mesh i:nth-child(1){width:640px;height:640px;background:#DCE7FD;top:-320px;left:8%}
.mesh i:nth-child(2){width:520px;height:520px;background:#EDE9FE;top:-220px;right:4%;animation-delay:-6s}
.mesh i:nth-child(3){width:420px;height:420px;background:#E0F2FE;top:160px;left:42%;animation-delay:-11s}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(60px,40px,0) scale(1.12)}}
h1 em{background:linear-gradient(100deg,#3D6FE7,#7C5CFF 60%,#3D6FE7);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.btn.pri{background:linear-gradient(135deg,#3D6FE7,#5A5CE6);border:none;box-shadow:0 6px 20px -6px rgba(61,111,231,.55)}
.btn.pri:hover{transform:translateY(-1px);box-shadow:0 10px 26px -6px rgba(61,111,231,.6)}
.heroart{max-width:1020px;margin:52px auto 0;border-radius:22px;overflow:hidden;position:relative;
  border:1px solid #E3E9FA;box-shadow:0 40px 90px -30px rgba(61,111,231,.35)}
.heroart img{display:block;width:100%}
.heroart .cap{position:absolute;left:18px;bottom:16px;background:rgba(255,255,255,.82);backdrop-filter:blur(10px);
  border:1px solid var(--border);border-radius:99px;padding:7px 16px;font-size:12.5px;font-weight:700;color:var(--text)}
.heroart .cap b{color:var(--accent)}
.media, .browser{box-shadow:0 30px 70px -24px rgba(61,111,231,.28)}
.media.glow{border-color:#E3E9FA}

/* the loop diagram */
.loop-wrap{max-width:960px;margin:clamp(44px,5vw,64px) auto 0}
.loop-svg{width:100%;height:auto;display:block}
.loop-flow{stroke-dasharray:6 8;animation:flow 1.2s linear infinite}
.loop-flow.paused{animation:none;stroke-dasharray:6 8;opacity:.35}
@keyframes flow{to{stroke-dashoffset:-14}}
.loop-pulse{transform-origin:center;transform-box:fill-box;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.14);opacity:1}}
.loop-labels{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:6px}
.loop-labels div{text-align:center}
.loop-labels b{display:block;font-size:14.5px;letter-spacing:-.01em}
.loop-labels span{font-size:12.5px;color:var(--muted);line-height:1.5;display:block;max-width:200px;margin:4px auto 0}
@media (prefers-reduced-motion: reduce){.mesh i,.loop-flow,.loop-pulse{animation:none}}

/* divider */
.divider{position:relative;overflow:hidden}
.divider img{width:100%;display:block}
.divider .say{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:6%}
.divider .say p{font-size:clamp(20px,3vw,34px);font-weight:700;letter-spacing:-.02em;color:var(--text)}
.divider .say span{color:var(--muted);font-size:14.5px;margin-top:8px}

/* media stack (learning) */
.stack{position:relative}
.stack .float-card{position:absolute;left:-24px;bottom:22px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
  border:1px solid var(--border2);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow-lg);max-width:300px}
.stack .float-card .row2{display:flex;align-items:center;gap:9px;font-size:12.5px;font-weight:600;padding:5px 0}
.stack .float-card .row2 s{color:var(--green-t);text-decoration:none;font-weight:800}
@media(max-width:900px){.stack .float-card{position:static;margin-top:12px;max-width:none}}

/* gallery */
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:clamp(40px,5vw,60px)}
.gallery .g-wide{grid-column:1/3}
.gallery figure{margin:0;border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:0 24px 60px -24px rgba(61,111,231,.25);background:var(--bg)}
.gallery img{width:100%;display:block}
.gallery figcaption{font-size:12.5px;color:var(--muted);padding:10px 16px;border-top:1px solid var(--border)}
@media(max-width:900px){.gallery{grid-template-columns:1fr}.gallery .g-wide{grid-column:auto}}