/* StandEva landing page
   Tokens first, then base, layout, components, responsive. Dark is default; [data-theme="light"] overrides. */
:root{
  --bg:#070B14; --bg2:#0B1220; --surface:#0F1830; --surface2:#142040;
  --fg:#EAF0FB; --muted:#98A5BD; --line:rgba(160,185,255,.14);
  --accent:#2F5BFF; --accent2:#5C8BFF; --cyan:#3FD2FF; --glow:rgba(47,91,255,.35);
  --display:'Space Grotesk','Helvetica Neue',Arial,sans-serif;
  --body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  --r:18px; --gut:clamp(16px,5vw,32px);
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#FFFFFF; --bg2:#F4F7FB; --surface:#FFFFFF; --surface2:#EEF2FA;
  --fg:#101828; --muted:#566178; --line:rgba(16,24,40,.12);
  --accent:#174BFF; --accent2:#174BFF; --cyan:#0BA5D9; --glow:rgba(23,75,255,.22);
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:400 17px/1.65 var(--body);overflow-x:hidden;
  padding-left:env(safe-area-inset-left,0);padding-right:env(safe-area-inset-right,0);-webkit-font-smoothing:antialiased}
img,svg,canvas{max-width:100%}
h1,h2,h3{font-family:var(--display);margin:0;letter-spacing:-.03em;text-wrap:balance;line-height:1.08}
p{margin:0}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding-inline:var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
.progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--accent),var(--cyan));z-index:60}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  background:var(--accent);color:#fff;font:600 16px var(--body);text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px var(--glow)}
.btn:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn-ghost:hover{box-shadow:none;border-color:var(--accent2);background:var(--surface)}
.btn-sm{min-height:42px;padding:0 20px;font-size:15px}
.btn-full{width:100%}
.icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;display:inline-grid;place-items:center;cursor:pointer}
.icon-btn:hover{background:var(--surface)}
.menu{display:none}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;padding-top:env(safe-area-inset-top,0);transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.nav.stuck{background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font:600 22px var(--display);letter-spacing:-.03em}
.brand img{display:block;border-radius:9px}
.brand i{font-style:normal;color:var(--accent2)}
.links{display:flex;gap:30px;font-size:15px;font-weight:500}
.links a{color:var(--muted);text-decoration:none;padding:8px 0;transition:color .2s}
.links a:hover{color:var(--fg)}
.nav-actions{display:flex;align-items:center;gap:10px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:grid;align-items:center;padding:calc(68px + 56px + env(safe-area-inset-top,0)) 0 72px;overflow:hidden;isolation:isolate}
#net{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
.hero-glow{position:absolute;inset:-20% -10% auto auto;width:70vw;height:70vw;max-width:900px;max-height:900px;border-radius:50%;
  background:radial-gradient(closest-side,var(--glow),transparent 70%);z-index:-1;filter:blur(20px)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(to bottom,transparent 60%,var(--bg));}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 70%,transparent);
  border-radius:999px;padding:7px 16px;font-size:14px;color:var(--muted);margin-bottom:26px}
.dot{width:8px;height:8px;border-radius:50%;background:#2EE6A6;box-shadow:0 0 0 0 rgba(46,230,166,.6);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 10px rgba(46,230,166,0)}100%{box-shadow:0 0 0 0 rgba(46,230,166,0)}}
.hero h1{font-size:clamp(38px,6.4vw,78px);line-height:1.02;letter-spacing:-.04em}
.grad{background:linear-gradient(100deg,var(--accent2),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.rot-wrap{display:inline-block;transition:opacity .35s,transform .35s}
.rot-wrap.out{opacity:0;transform:translateY(-10px)}
.lead{margin-top:26px;font-size:clamp(17px,2vw,21px);color:var(--muted);max-width:50ch}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.trust{list-style:none;margin:36px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14.5px;color:var(--muted)}
.trust li::before{content:"";display:inline-block;width:14px;height:14px;margin-right:9px;vertical-align:-2px;border-radius:50%;
  background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center/9px no-repeat}

/* terminal */
.term{background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:0 30px 80px -20px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.02) inset;backdrop-filter:blur(8px);min-width:0}
.term-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line)}
.term-bar span{width:11px;height:11px;border-radius:50%;background:#ff5f57}
.term-bar span:nth-child(2){background:#febc2e}.term-bar span:nth-child(3){background:#28c840}
.term-bar em{margin-left:10px;font:12.5px var(--mono);color:var(--muted);font-style:normal}
.term-body{margin:0;padding:20px;font:13.5px/1.75 var(--mono);color:var(--fg);min-height:290px;white-space:pre-wrap;word-break:break-word}
.term-body .c{color:var(--muted)}.term-body .k{color:var(--cyan)}.term-body .g{color:#2EE6A6}.term-body .a{color:var(--accent2)}
.caret{display:inline-block;width:8px;height:1.05em;background:var(--cyan);vertical-align:-3px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- marquee ---------- */
.marquee{border-block:1px solid var(--line);background:var(--bg2);overflow:hidden;padding:20px 0}
.track{display:flex;gap:48px;width:max-content;animation:slide 38s linear infinite;font:500 15px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.track span{white-space:nowrap}
.track span::before{content:"/";color:var(--accent2);margin-right:48px}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
.sec{padding-block:clamp(72px,11vw,128px)}
.sec-alt{background:var(--bg2)}
.sec-head{max-width:680px;margin-bottom:clamp(36px,6vw,64px);display:grid;gap:16px}
.sec-head h2,.contact h2{font-size:clamp(30px,4.8vw,54px)}
.sec-head p:not(.eyebrow){color:var(--muted);font-size:18px}
.eyebrow{font:500 13px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent2)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tile{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,34px);display:grid;gap:14px;align-content:start;overflow:hidden;min-width:0;transition:border-color .25s,transform .25s}
.t-wide{grid-column:span 2}
.tile:hover{border-color:color-mix(in srgb,var(--accent2) 60%,transparent);transform:translateY(-3px)}
.spot::before{content:"";position:absolute;inset:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),var(--glow),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.spot:hover::before{opacity:1}
.t-accent{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 28%,var(--surface)),var(--surface))}
.ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;color:var(--cyan);background:color-mix(in srgb,var(--accent) 18%,transparent);border:1px solid var(--line)}
.ico svg{width:24px;height:24px}
.tile h3{font-size:23px;position:relative}
.tile p{color:var(--muted);font-size:16px;position:relative}
.chips{list-style:none;padding:0;margin:6px 0 0;display:flex;flex-wrap:wrap;gap:8px;position:relative}
.chips li{font-size:13.5px;padding:5px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:color-mix(in srgb,var(--bg) 40%,transparent)}

/* tabs */
.tablist{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:20px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.tablist::-webkit-scrollbar{display:none}
.tablist button{flex:none;min-height:46px;padding:0 20px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;font-weight:500;font-size:15px;white-space:nowrap;transition:all .2s}
.tablist button:hover{color:var(--fg);border-color:var(--accent2)}
.tablist button[aria-selected="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.panel{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,56px);align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:clamp(22px,4vw,48px);animation:fade .45s ease}
.panel[hidden]{display:none}
@keyframes fade{from{opacity:0;transform:translateY(8px)}}
.panel h3{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.panel p{color:var(--muted)}
.ticks{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px;font-size:16px}
.ticks li::before{content:"";display:inline-block;width:18px;height:18px;margin-right:12px;vertical-align:-3px;border-radius:50%;background:color-mix(in srgb,var(--accent) 25%,transparent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235C8BFF' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center/11px no-repeat}
/* panel visuals */
.mock{border:1px solid var(--line);border-radius:14px;background:var(--bg);overflow:hidden;min-width:0}
.mock-top{display:flex;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line)}
.mock-top i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.mock-body{padding:20px;display:grid;gap:14px}
.bar{height:12px;border-radius:6px;background:var(--surface2)}
.bar.accent{background:linear-gradient(90deg,var(--accent),var(--cyan))}
.w40{width:40%}.w60{width:60%}.w90{width:90%}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.grid3 div{height:64px;border-radius:10px;background:var(--surface2);border:1px solid var(--line)}
.flow{display:flex;align-items:center;justify-content:center;gap:0;min-width:0}
.node{padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:var(--bg);font:500 13px var(--mono);white-space:nowrap}
.node.hot{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 30px var(--glow)}
.link{flex:1;min-width:16px;height:2px;background:repeating-linear-gradient(90deg,var(--accent2) 0 6px,transparent 6px 12px);background-size:12px 2px;animation:dash 1s linear infinite}
@keyframes dash{to{background-position:12px 0}}
.hub{position:relative;aspect-ratio:1.2;max-width:360px;width:100%;margin-inline:auto}
.hub span{position:absolute;display:grid;place-items:center;border-radius:50%;font:500 13px var(--mono);border:1px solid var(--line);background:var(--bg)}
.hub .c{inset:50% auto auto 50%;width:84px;height:84px;transform:translate(-50%,-50%);background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 40px var(--glow)}
.hub .s{width:62px;height:62px}
.hub .s1{left:8%;top:8%}.hub .s2{right:8%;top:8%}.hub .s3{left:8%;bottom:8%}.hub .s4{right:8%;bottom:8%}
.chart{display:flex;align-items:flex-end;gap:clamp(8px,2vw,16px);height:220px;padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--bg)}
.chart i{flex:1;height:var(--h);border-radius:8px 8px 3px 3px;background:var(--surface2);transform-origin:bottom;animation:grow .8s cubic-bezier(.2,.8,.2,1) both}
.chart i:nth-child(2){animation-delay:.05s}.chart i:nth-child(3){animation-delay:.1s}.chart i:nth-child(4){animation-delay:.15s}.chart i:nth-child(5){animation-delay:.2s}.chart i:nth-child(6){animation-delay:.25s}.chart i:nth-child(7){animation-delay:.3s}
.chart i.hot{background:linear-gradient(to top,var(--accent),var(--cyan))}
@keyframes grow{from{transform:scaleY(.05)}}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;counter-reset:s}
.timeline::before{content:"";position:absolute;left:0;right:0;top:23px;height:2px;background:linear-gradient(90deg,var(--accent),var(--cyan),transparent)}
.timeline li{position:relative;display:grid;gap:18px;align-content:start}
.n{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--bg);border:2px solid var(--accent2);font:600 18px var(--display);color:var(--accent2);position:relative;z-index:1}
.timeline h3{font-size:24px;margin-bottom:8px}
.timeline p{color:var(--muted);font-size:16px}

/* who */
.people{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px}
.person{text-align:left;display:grid;gap:8px;align-content:start;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;cursor:pointer;min-height:132px;transition:transform .2s,border-color .2s,background .2s}
.person b{font:600 19px var(--display);letter-spacing:-.02em}
.person span{color:var(--muted);font-size:14.5px;line-height:1.5}
.person:hover{transform:translateY(-3px);border-color:var(--accent2);background:var(--surface2)}

/* faq */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,6vw,80px);align-items:start}
.faq-wrap .sec-head{margin-bottom:0;position:sticky;top:110px}
.faq{display:grid;gap:12px}
details{background:var(--surface);border:1px solid var(--line);border-radius:16px;transition:border-color .2s}
details[open]{border-color:color-mix(in srgb,var(--accent2) 55%,transparent)}
summary{list-style:none;cursor:pointer;padding:20px 56px 20px 22px;font:600 17px/1.4 var(--display);position:relative;min-height:60px;display:flex;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font:400 26px var(--display);color:var(--accent2);transition:transform .25s}
details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details p{padding:0 22px 22px;color:var(--muted);font-size:16px}

/* contact */
.sec-cta{background:radial-gradient(900px circle at 85% 0%,var(--glow),transparent 60%),var(--bg2)}
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,80px);align-items:start}
.contact-info{display:grid;gap:22px}
.contact-info>p:not(.eyebrow){color:var(--muted);font-size:18px;max-width:42ch}
.mail{margin:10px 0 0;display:grid}
.mail div{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px 0;border-top:1px solid var(--line)}
.mail dt{color:var(--muted);font-size:14px}
.mail dd{margin:0;font-weight:500}
.mail a{text-decoration:none}.mail a:hover{color:var(--accent2)}
.form{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:clamp(20px,4vw,40px);display:grid;gap:18px;min-width:0;box-shadow:0 30px 80px -30px rgba(0,0,0,.5)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:8px;font-size:14px;font-weight:600;min-width:0}
input,select,textarea{font:400 16px var(--body);color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:0 16px;min-height:50px;width:100%;min-width:0;transition:border-color .2s,box-shadow .2s}
textarea{padding:14px 16px;resize:vertical;min-height:130px}
input::placeholder,textarea::placeholder{color:var(--muted);opacity:.7}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent2);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 25%,transparent)}
input[aria-invalid="true"],textarea[aria-invalid="true"]{border-color:#ff6b6b}
.err{color:#ff8a8a;font-size:14.5px}
.fine{font-size:13.5px;color:var(--muted);text-align:center}

/* footer */
.foot{border-top:1px solid var(--line);padding-block:44px calc(44px + env(safe-area-inset-bottom,0))}
.foot-in{display:grid;grid-template-columns:auto 1fr auto;gap:18px 32px;align-items:center}
.foot p{color:var(--muted);font-size:15px}
.foot nav{display:flex;gap:22px;font-size:15px}
.foot nav a{color:var(--muted);text-decoration:none;padding:6px 0}.foot nav a:hover{color:var(--fg)}
.foot small{grid-column:1/-1;color:var(--muted);font-size:13.5px;padding-top:18px;border-top:1px solid var(--line)}

/* reveal on scroll (only when JS is running; content stays visible without it) */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- tablet ---------- */
@media (max-width:980px){
  .hero{min-height:auto;padding-bottom:56px}
  .hero-in{grid-template-columns:1fr;gap:40px}
  .term{max-width:560px}
  .bento{grid-template-columns:1fr 1fr}
  .t-wide{grid-column:span 2}
  .timeline{grid-template-columns:1fr 1fr;gap:36px 24px}
  .timeline::before{display:none}
  .faq-wrap,.contact{grid-template-columns:1fr}
  .faq-wrap .sec-head{position:static;margin-bottom:12px}
}

/* ---------- phone ---------- */
@media (max-width:760px){
  body{font-size:16.5px}
  .menu{display:inline-grid}
  .nav-actions .btn-sm{display:none}
  .links{position:fixed;inset:calc(68px + env(safe-area-inset-top,0)) 0 auto 0;flex-direction:column;gap:0;padding:8px var(--gut) 20px;
    background:color-mix(in srgb,var(--bg) 96%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:all .25s}
  .links.open{transform:none;opacity:1;visibility:visible}
  .links a{font-size:18px;color:var(--fg);padding:16px 0;border-bottom:1px solid var(--line);min-height:56px;display:flex;align-items:center}
  .links a:last-child{border:0}
  .nav.menu-open{background:var(--bg)}
  .hero{padding-top:calc(68px + 36px + env(safe-area-inset-top,0))}
  .hero h1{font-size:clamp(36px,10.5vw,52px)}
  .cta .btn{flex:1 1 100%}
  .trust{flex-direction:column;gap:10px}
  .term-body{font-size:12.5px;padding:16px;min-height:260px}
  .bento{grid-template-columns:1fr}
  .t-wide{grid-column:auto}
  .panel{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline li{grid-template-columns:48px 1fr;gap:18px;padding-bottom:30px;position:relative}
  .timeline li:not(:last-child)::before{content:"";position:absolute;left:23px;top:48px;bottom:0;width:2px;background:var(--line)}
  .people{grid-template-columns:1fr 1fr}
  .row{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr;text-align:left}
  .foot nav{flex-wrap:wrap;gap:6px 22px}
  .marquee{padding:16px 0}
  .track{gap:32px;font-size:13px}.track span::before{margin-right:32px}
}
@media (max-width:420px){
  .people{grid-template-columns:1fr}
  .person{min-height:0}
  .node{padding:10px 12px;font-size:12px}
}

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}