/* Layout concept: a spec-sheet landing. Left-aligned editorial type, the real product UI as the hero,
   one signature motif (the "cell scan" bar from the app), a dark island for the closing pitch. */
:root{
  --ui:'Geist',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'Geist Mono',ui-monospace,'Cascadia Mono',Consolas,monospace;
  --bg:#F6F7F9; --surface:#FFFFFF; --sunken:#ECEEF2; --app-bg:#F3F4F7;
  --line:#E1E4EA; --line-2:#C9CFD9;
  --text:#13171E; --text-2:#444D5B; --text-3:#5D6776;
  --accent:#2447E0; --accent-h:#1A36B8; --accent-fg:#FFFFFF; --accent-soft:#E9EEFF; --accent-line:#B4C2F8;
  --ok:#076A5C; --ok-soft:#DDF3EE; --ok-line:#9ED6CA;
  --warn:#7F4B00; --warn-soft:#FFF0CF; --warn-line:#EBC36B;
  --err:#B81F36; --err-soft:#FDE7EA; --err-line:#EFA6B0;
  --shadow:0 40px 90px -30px rgba(16,24,40,.35),0 8px 24px -8px rgba(16,24,40,.12);
  --show-l:block; --show-d:none;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0A0C10; --surface:#11141A; --sunken:#0D1015; --app-bg:#0A0C10;
    --line:#232932; --line-2:#333B47;
    --text:#E9ECF1; --text-2:#B0B8C4; --text-3:#8C96A5;
    --accent:#7C97FF; --accent-h:#98AEFF; --accent-fg:#0A0C10; --accent-soft:#19213F; --accent-line:#34457F;
    --ok:#54D6BF; --ok-soft:#0E2926; --ok-line:#1F5A52;
    --warn:#F2B74A; --warn-soft:#2A2008; --warn-line:#6A5220;
    --err:#FF8496; --err-soft:#331119; --err-line:#75303D;
    --shadow:0 40px 90px -30px rgba(0,0,0,.8),0 8px 24px -8px rgba(0,0,0,.5);
    --show-l:none; --show-d:block; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0A0C10; --surface:#11141A; --sunken:#0D1015; --app-bg:#0A0C10;
  --line:#232932; --line-2:#333B47;
  --text:#E9ECF1; --text-2:#B0B8C4; --text-3:#8C96A5;
  --accent:#7C97FF; --accent-h:#98AEFF; --accent-fg:#0A0C10; --accent-soft:#19213F; --accent-line:#34457F;
  --ok:#54D6BF; --ok-soft:#0E2926; --ok-line:#1F5A52;
  --warn:#F2B74A; --warn-soft:#2A2008; --warn-line:#6A5220;
  --err:#FF8496; --err-soft:#331119; --err-line:#75303D;
  --shadow:0 40px 90px -30px rgba(0,0,0,.8),0 8px 24px -8px rgba(0,0,0,.5);
  --show-l:none; --show-d:block; color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.6 var(--ui);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--bg);z-index:60}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3,p,ul,ol,dl,dd,figure,pre{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1240px;margin-inline:auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.skip{position:absolute;left:12px;top:-60px;background:var(--accent);color:var(--accent-fg);padding:10px 14px;border-radius:8px;z-index:100;text-decoration:none}
.skip:focus{top:calc(env(safe-area-inset-top,0px) + 8px)}

/* type */
h1{font-size:clamp(2.35rem,1.25rem + 5.2vw,4.9rem);line-height:1.02;letter-spacing:-.04em;font-weight:600;text-wrap:balance}
h2{font-size:clamp(1.75rem,1.15rem + 2.6vw,3rem);line-height:1.08;letter-spacing:-.032em;font-weight:600;text-wrap:balance}
h3{font-size:1.0625rem;line-height:1.35;letter-spacing:-.01em;font-weight:600}
.lead{font-size:clamp(1.0625rem,.95rem + .5vw,1.3rem);line-height:1.55;color:var(--text-2);max-width:60ch}
.mut{color:var(--text-2)}
.cap{font:500 .75rem/1.2 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--text-3)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid var(--line-2);background:var(--surface);color:var(--text);font-weight:500;font-size:.9375rem;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s;white-space:nowrap}
.btn:hover{border-color:var(--text-3)}
.btn.pri{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.btn.pri:hover{background:var(--accent-h);border-color:var(--accent-h)}
.btn.sm{min-height:40px;padding:0 14px;font-size:.875rem}
.btn .i{width:18px;height:18px}

/* header */
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:12px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.0625rem;letter-spacing:-.02em;text-decoration:none}
.logo svg{width:26px;height:26px}
.links{display:none;gap:4px;margin-left:18px}
.links a{padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--text-2);font-size:.9375rem;font-weight:500}
.links a:hover{color:var(--text);background:var(--sunken)}
.sp{flex:1}
.seg{display:inline-flex;padding:3px;border-radius:9px;background:var(--sunken);border:1px solid var(--line)}
.seg button{border:0;background:none;padding:5px 10px;min-height:34px;border-radius:6px;font:500 .8125rem var(--mono);color:var(--text-2);cursor:pointer;letter-spacing:.04em}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--text);box-shadow:0 1px 2px rgba(16,24,40,.12)}
.ib{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:9px;border:1px solid var(--line-2);background:var(--surface);cursor:pointer}
.ib:hover{border-color:var(--text-3)}
.ic-moon{display:var(--show-l)}.ic-sun{display:var(--show-d)}
.nav .btn.pri{display:none}
.menu{display:none;border-top:1px solid var(--line);padding:6px 0 18px}
.menu.open{display:block}
.menu a{display:flex;align-items:center;min-height:50px;text-decoration:none;font-weight:500;border-bottom:1px solid var(--line)}
.menu a.btn{margin-top:16px;width:100%;border:1px solid var(--accent)}
@media (min-width:980px){.links{display:flex}.nav .btn.pri{display:inline-flex}.mbtn{display:none}.menu,.menu.open{display:none}}

/* cell-scan motif */
.cells{height:10px;position:relative;overflow:hidden;background:var(--line);-webkit-mask:repeating-linear-gradient(90deg,#000 0 8px,transparent 8px 11px);mask:repeating-linear-gradient(90deg,#000 0 8px,transparent 8px 11px)}
.cells::after{content:"";position:absolute;inset:0 auto 0 0;width:24%;background:var(--accent);animation:sweep 1.5s ease-in-out infinite alternate}
@keyframes sweep{from{transform:translateX(-5%)}to{transform:translateX(320%)}}

/* sections */
section{padding-block:clamp(60px,8.5vw,120px)}
.sec-h{display:grid;gap:16px;margin-bottom:clamp(32px,4.5vw,56px);max-width:820px}
.alt{background:var(--sunken);border-block:1px solid var(--line)}
section[id]{scroll-margin-top:72px}

/* hero */
.hero{padding-block:clamp(36px,6vw,88px) clamp(48px,7vw,96px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:500 .8125rem var(--mono);letter-spacing:.04em;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:999px;padding:6px 14px;margin-bottom:22px}
.hero h1{margin-bottom:22px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.note{margin-top:18px;font-size:.875rem;color:var(--text-3)}
.spec{border:1px solid var(--line-2);border-radius:12px;background:var(--surface);padding:6px 18px}
.spec div{display:grid;grid-template-columns:104px minmax(0,1fr);gap:12px;padding:13px 0;border-bottom:1px solid var(--line);align-items:baseline}
.spec div:last-child{border-bottom:0}
.spec dt{font:500 .6875rem var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--text-3)}
.spec dd{font:400 .84375rem/1.45 var(--mono);color:var(--text);overflow-wrap:anywhere}
.win{margin-top:clamp(36px,5.5vw,72px);border:1px solid var(--line-2);border-radius:clamp(8px,1.2vw,16px);overflow:hidden;background:var(--app-bg);box-shadow:var(--shadow)}
.win img{width:100%;height:auto}
.win video{display:block;width:100%;height:auto;aspect-ratio:1600/1000;background:var(--app-bg)}
.win.vid{margin-inline:0;margin-bottom:0;margin-top:0}
.win video.im-l{display:var(--show-l)}.win video.im-d{display:var(--show-d)}
.vidwrap{margin-top:clamp(36px,5.5vw,72px);display:flex;flex-direction:column;align-items:flex-end;gap:10px}.vidwrap .win{align-self:stretch}
.vctl{height:32px;padding:0 12px 0 10px;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--text-2);display:inline-flex;align-items:center;gap:8px;font:500 .8125rem var(--ui);cursor:pointer}
.vctl:hover,.vctl:focus-visible{color:var(--text);border-color:var(--accent-line)}
.vctl .t-play{display:none}.vidwrap.paused .vctl .t-play{display:inline}.vidwrap.paused .vctl .t-pause{display:none}
.vctl .i{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.vctl .ic-play{display:none;fill:currentColor}.vidwrap.paused .vctl .ic-play{display:block}.vidwrap.paused .vctl .ic-pause{display:none}
.im-l{display:var(--show-l)}.im-d{display:var(--show-d)}
.hero .cells{margin-top:clamp(28px,4vw,48px)}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}
@media (max-width:480px){.cta-row .btn{width:100%}.spec div{grid-template-columns:88px minmax(0,1fr)}}

/* cards */
.cards3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:clamp(20px,2.4vw,28px);display:flex;flex-direction:column;gap:12px;min-width:0;transition:border-color .15s}
.card:hover{border-color:var(--accent-line)}
.card p{color:var(--text-2);font-size:.96875rem}
.chip{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent);flex:none}
@media (max-width:900px){.cards3{grid-template-columns:1fr}}

/* how */
.how{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
.stage{display:grid;border:1px solid var(--line-2);border-radius:clamp(8px,1.2vw,14px);overflow:hidden;background:var(--app-bg);box-shadow:var(--shadow);position:sticky;top:96px}
.shot{grid-area:1/1;opacity:0;pointer-events:none;transition:opacity .3s}
.shot.on{opacity:1}
.shot img{width:100%;height:auto}
.steps{display:flex;flex-direction:column;gap:8px}
.step{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden}
.step.on{border-color:var(--accent-line);box-shadow:0 0 0 1px var(--accent-line)}
.step > button{display:flex;align-items:center;gap:14px;width:100%;min-height:58px;padding:12px 16px;border:0;background:none;text-align:left;cursor:pointer;font-weight:600;font-size:1rem;letter-spacing:-.01em}
.num{flex:none;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;border:1px solid var(--line-2);font:500 .8125rem var(--mono);color:var(--text-2)}
.step.on .num{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.step .d{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s}
.step.on .d{grid-template-rows:1fr}
.step .d > div{overflow:hidden}
.step .d p{padding:0 18px 18px 58px;color:var(--text-2);font-size:.96875rem}
@media (max-width:980px){.how{grid-template-columns:1fr}.stage{position:static;order:-1}.step .d p{padding-left:18px}}

/* features */
.bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.s2{grid-column:span 2}
.mini{margin-top:auto;padding-top:6px;display:grid;gap:6px}
.mrow{display:flex;align-items:center;gap:10px;justify-content:space-between;border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:8px 12px;font:400 .78125rem var(--mono);min-width:0}
.mrow > span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.bdg{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 8px;border-radius:5px;font:500 .75rem var(--ui);border:1px solid;white-space:nowrap;flex:none}
.bdg .i{width:13px;height:13px;stroke-width:2}
.bdg.ok{color:var(--ok);background:var(--ok-soft);border-color:var(--ok-line)}
.bdg.warn{color:var(--warn);background:var(--warn-soft);border-color:var(--warn-line)}
.bdg.err{color:var(--err);background:var(--err-soft);border-color:var(--err-line)}
.dbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.dbs span{font:500 .8125rem var(--mono);border:1px solid var(--line-2);background:var(--bg);border-radius:7px;padding:6px 10px}
@media (max-width:980px){.bento{grid-template-columns:repeat(2,minmax(0,1fr))}.s2{grid-column:auto}.bento .card:first-child{grid-column:span 2}}
@media (max-width:640px){.bento{grid-template-columns:1fr}.bento .card:first-child{grid-column:auto}}

/* transform */
.xform{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:16px;align-items:stretch}
.code{background:var(--surface);border:1px solid var(--line-2);border-radius:14px;overflow:hidden;min-width:0;display:flex;flex-direction:column}
.code header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 16px;border-bottom:1px solid var(--line);background:var(--bg)}
.code pre{padding:16px;font:400 .8125rem/1.7 var(--mono);overflow-x:auto;color:var(--text)}
.code .k{color:var(--accent)}.code .c{color:var(--text-3)}.code .o{color:var(--ok)}
.arrow{display:flex;align-items:center;justify-content:center;color:var(--accent)}
.arrow .i{width:30px;height:30px}
.cap-note{margin-top:16px;font-size:.875rem;color:var(--text-3)}
@media (max-width:860px){.xform{grid-template-columns:1fr}.arrow .i{transform:rotate(90deg)}}

/* proof */
.proof{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:clamp(24px,4vw,64px);align-items:center}
.ticks{display:grid;gap:16px;margin-top:26px}
.ticks li{display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;color:var(--text-2)}
.ticks li b{color:var(--text);font-weight:600}
.ticks .i{color:var(--ok);margin-top:2px}
.proof .win{margin-top:0}
@media (max-width:980px){.proof{grid-template-columns:1fr}}

/* trust */
.cards2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:760px){.cards2{grid-template-columns:1fr}}

/* compare */
.cmp{border:1px solid var(--line-2);border-radius:14px;overflow:hidden;background:var(--surface)}
.cmp-r{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) minmax(0,1.2fr);border-bottom:1px solid var(--line)}
.cmp-r:last-child{border-bottom:0}
.cmp-r > div{padding:16px 20px;font-size:.96875rem;min-width:0}
.cmp-r > div:first-child{font-weight:600}
.cmp-r > div:nth-child(2){color:var(--text-2)}
.cmp-r > div:nth-child(3){background:var(--accent-soft);font-weight:500}
.cmp-h > div{font:500 .75rem var(--mono)!important;letter-spacing:.09em;text-transform:uppercase;color:var(--text-3)!important;background:var(--bg)!important}
.cmp-h > div:nth-child(3){color:var(--accent)!important}
@media (max-width:720px){
  .cmp-h{display:none}
  .cmp-r{grid-template-columns:1fr 1fr}
  .cmp-r > div:first-child{grid-column:1/-1;background:var(--bg);padding-bottom:10px}
  .cmp-r > div:nth-child(2)::before,.cmp-r > div:nth-child(3)::before{display:block;font:500 .6875rem var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--text-3);margin-bottom:4px;content:attr(data-h)}
  .cmp-r > div:nth-child(3)::before{color:var(--accent)}
}

/* maker */
.maker{display:grid;grid-template-columns:auto minmax(0,1fr);gap:20px;align-items:start;border:1px solid var(--line-2);border-radius:14px;background:var(--surface);padding:clamp(20px,3vw,32px);margin-top:16px}
.maker p{color:var(--text-2);max-width:72ch}
@media (max-width:560px){.maker{grid-template-columns:1fr}}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:stretch}
.plan{display:flex;flex-direction:column;gap:18px;background:var(--surface);border:1px solid var(--line-2);border-radius:16px;padding:clamp(22px,2.6vw,32px);min-width:0}
.plan.hot{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),var(--shadow)}
.plan .tag{align-self:flex-start;font:500 .6875rem var(--mono);letter-spacing:.09em;text-transform:uppercase;background:var(--accent);color:var(--accent-fg);border-radius:999px;padding:4px 10px}
.price{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.price b{font-size:clamp(2.4rem,2rem + 1.4vw,3.2rem);letter-spacing:-.04em;line-height:1;font-weight:600;font-variant-numeric:tabular-nums}
.plan ul{display:grid;gap:11px;margin-block:2px 8px;color:var(--text-2);font-size:.96875rem}
.plan li{display:grid;grid-template-columns:20px minmax(0,1fr);gap:10px}
.plan li .i{color:var(--ok);width:18px;height:18px;margin-top:3px}
.plan .btn{margin-top:auto;width:100%}
@media (max-width:980px){.plans{grid-template-columns:1fr;max-width:560px}}

/* faq */
.faq{max-width:860px;display:grid;gap:10px}
details{border:1px solid var(--line);border-radius:12px;background:var(--surface)}
details[open]{border-color:var(--line-2)}
summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:14px 20px;font-weight:600;letter-spacing:-.01em}
summary::-webkit-details-marker{display:none}
summary::after{content:"";flex:none;width:10px;height:10px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);transform:rotate(45deg) translateY(-3px);transition:transform .2s}
details[open] summary::after{transform:rotate(-135deg) translateY(-1px)}
details p{padding:0 20px 20px;color:var(--text-2);max-width:70ch}

/* closing island + footer */
.island{--bg:#0A0C10;--surface:#11141A;--text:#E9ECF1;--text-2:#B0B8C4;--text-3:#8C96A5;--accent:#7C97FF;--accent-h:#98AEFF;--accent-fg:#0A0C10;--line:#232932;--line-2:#333B47;background:var(--bg);color:var(--text);color-scheme:dark}
.island .wrap{display:grid;gap:26px;justify-items:start}
.island h2{max-width:20ch}
.island .cells{width:100%;margin-top:6px}
.island .cta-row{margin-top:0}
.ftr{border-top:1px solid var(--line);padding-block:36px calc(36px + env(safe-area-inset-bottom,0px));font-size:.875rem;color:var(--text-3)}
.ftr .wrap{display:grid;gap:22px}
.ftr-top{display:flex;flex-wrap:wrap;gap:18px 32px;align-items:center;justify-content:space-between}
.ftr nav{display:flex;flex-wrap:wrap;gap:6px 22px}
.ftr nav a{color:var(--text-2);text-decoration:none;min-height:32px;display:inline-flex;align-items:center}
.ftr nav a:hover{color:var(--text)}
.ftr p{max-width:90ch}
.ftr .legal{font-size:.75rem;line-height:1.5;margin-top:-10px}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
  .cells::after{animation:none;width:42%}
}