/* ============================================================
   The Foundation — design system
   Loaded via <helmet><link rel="stylesheet" href="./site.css">
   Fonts: Archivo (variable width) + IBM Plex Mono
   ============================================================ */

:root{
  --ink:#070A0F;
  --ink2:#0B0F16;
  --ink3:#10151F;
  --panel:#0D121B;
  --ld:rgba(255,255,255,.08);
  --ld2:rgba(255,255,255,.16);
  --paper:#F4F6F8;
  --card:#FFFFFF;
  --line:#E4E8EE;
  --line2:#D4DAE2;
  --t1:#12161D;
  --t2:#4C5560;
  --t3:#8792A0;
  --td1:#F2F5F9;
  --td2:#A9B4C0;
  --td3:#69737F;
  --blue:#3C8CF0;
  --blue2:#2B7BE0;
  --cyan:#79CDF6;
  --green:#3ECF8E;
  --amber:#E8B33D;
  --grad:linear-gradient(112deg,#3C8CF0 10%,#6FC7F5 90%);
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --sans:'Archivo',system-ui,sans-serif;
  --shadow-1:0 1px 2px rgba(10,14,20,.05),0 8px 24px rgba(10,14,20,.06);
  --shadow-2:0 2px 4px rgba(10,14,20,.06),0 18px 48px rgba(10,14,20,.12);
  --glow:0 0 0 1px rgba(60,140,240,.35),0 8px 32px rgba(60,140,240,.35);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;color:var(--t1)}
::selection{background:rgba(60,140,240,.28)}

/* ---------- layout ---------- */
.wrap{max-width:1240px;margin:0 auto;padding-left:28px;padding-right:28px}
.sec{padding-top:104px;padding-bottom:104px}
.sec-s{padding-top:72px;padding-bottom:72px}
@media(max-width:720px){.sec{padding-top:72px;padding-bottom:72px}.sec-s{padding-top:56px;padding-bottom:56px}.wrap{padding-left:20px;padding-right:20px}}

/* ---------- type ---------- */
.d1{margin:0;font-size:clamp(46px,6.4vw,88px);font-weight:800;font-stretch:112%;letter-spacing:-.035em;line-height:.98;text-wrap:balance}
.d2{margin:0;font-size:clamp(32px,4vw,54px);font-weight:790;font-stretch:110%;letter-spacing:-.03em;line-height:1.03;text-wrap:balance}
.h3{margin:0;font-size:clamp(24px,2.6vw,32px);font-weight:760;letter-spacing:-.02em;line-height:1.12}
.h4{margin:0;font-size:20px;font-weight:720;letter-spacing:-.012em;line-height:1.25}
.h5{margin:0;font-size:16.5px;font-weight:700;letter-spacing:-.008em}
.lead{margin:0;font-size:clamp(17px,1.6vw,20px);line-height:1.62;text-wrap:pretty}
.body{margin:0;font-size:15.5px;line-height:1.66;text-wrap:pretty}
.small{margin:0;font-size:13.5px;line-height:1.6}
.on-d .d1,.on-d .d2,.on-d .h3,.on-d .h4,.on-d .h5{color:#fff}
.tw{color:#fff}.t1{color:var(--t1)}.t2{color:var(--t2)}.t3{color:var(--t3)}
.td1{color:var(--td1)}.td2{color:var(--td2)}.td3{color:var(--td3)}
.tb{color:var(--blue)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--blue)}
.eyebrow::before{content:'';width:22px;height:2px;background:var(--blue);flex:none}
.eyebrow.no-rule::before{display:none}
.mono{font-family:var(--mono)}
.meta{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--t3)}
.on-d .meta{color:var(--td3)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 26px;border-radius:11px;border:1px solid transparent;font-family:var(--sans);font-size:15.5px;font-weight:650;text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease}
.btn .arr{display:inline-block;transition:transform .18s ease}
.btn:hover .arr{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.btn-p{background:var(--blue);color:#fff;box-shadow:0 1px 2px rgba(10,20,40,.2),0 8px 24px rgba(60,140,240,.35)}
.btn-p:hover{background:var(--blue2);transform:translateY(-1px);box-shadow:0 2px 4px rgba(10,20,40,.2),0 14px 34px rgba(60,140,240,.45)}
.btn-gd{border-color:var(--ld2);color:#fff;background:rgba(255,255,255,.02)}
.btn-gd:hover{border-color:rgba(255,255,255,.44);background:rgba(255,255,255,.06)}
.btn-gl{border-color:var(--line2);color:var(--t1);background:#fff}
.btn-gl:hover{border-color:var(--blue);color:var(--blue2)}
.btn-lg{padding:17px 32px;font-size:16.5px;border-radius:13px}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.link{color:var(--blue);text-decoration:none;font-weight:640}
.link:hover{color:var(--blue2)}

/* ---------- surfaces ---------- */
.dark{background:var(--ink);position:relative}
.dark-2{background:var(--ink2)}
.gridbg{background-image:linear-gradient(rgba(255,255,255,.033) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.033) 1px,transparent 1px);background-size:52px 52px}
.gridbg-l{background-image:linear-gradient(rgba(18,22,29,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(18,22,29,.045) 1px,transparent 1px);background-size:52px 52px}
.hero-glow{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.hero-glow::before{content:'';position:absolute;top:-340px;left:50%;transform:translateX(-50%);width:1100px;height:640px;background:radial-gradient(closest-side,rgba(60,140,240,.24),rgba(60,140,240,.07) 55%,transparent 75%);filter:blur(8px)}
.hero-glow::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,var(--ink) 100%)}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card.lift:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line2)}
.cardd{background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));border:1px solid var(--ld);border-radius:18px;padding:30px;transition:transform .22s ease,border-color .22s ease,background .22s ease}
.cardd.lift:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.22)}
.rule{height:1px;background:var(--line);border:none;margin:0}
.rule-d{height:1px;background:var(--ld);border:none;margin:0}

/* corner ticks (brand frame) */
.frame{position:relative}
.tick{position:absolute;width:15px;height:15px;pointer-events:none}
.tick.tl{top:-1px;left:-1px;border-top:2px solid var(--blue);border-left:2px solid var(--blue)}
.tick.tr{top:-1px;right:-1px;border-top:2px solid var(--blue);border-right:2px solid var(--blue)}
.tick.bl{bottom:-1px;left:-1px;border-bottom:2px solid var(--blue);border-left:2px solid var(--blue)}
.tick.br{bottom:-1px;right:-1px;border-bottom:2px solid var(--blue);border-right:2px solid var(--blue)}

/* chips / pills */
.pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--ld2);border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:560;color:var(--td2);white-space:nowrap}
.pill-l{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line2);border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:600;color:var(--t2);white-space:nowrap;background:#fff}
.pill-new{display:inline-flex;align-items:center;border-radius:999px;padding:3px 9px;font-family:var(--mono);font-size:9.5px;font-weight:600;letter-spacing:.14em;background:var(--grad);color:#06121F}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(62,207,142,.18);flex:none}
.dot-b{width:7px;height:7px;border-radius:50%;background:var(--blue);flex:none}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:80;background:rgba(7,10,15,.82);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-bottom:1px solid var(--ld)}
.hdr-in{max-width:1240px;margin:0 auto;padding:0 28px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.hdr-logo{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.logo-mark{display:flex;flex-direction:column;align-items:flex-start;gap:3px}
.logo-mark i{display:block;height:4px;border-radius:1px}
.logo-mark i:nth-child(1){width:10px;background:var(--blue)}
.logo-mark i:nth-child(2){width:16px;background:rgba(255,255,255,.5)}
.logo-mark i:nth-child(3){width:22px;background:rgba(255,255,255,.92)}
.hdr-word{color:#fff;font-weight:740;font-size:17.5px;letter-spacing:-.015em}
.hdr-nav{display:flex;align-items:center;gap:4px}
.hdr-link{position:relative;color:var(--td2);text-decoration:none;font-size:14px;font-weight:560;padding:9px 13px;border-radius:9px;transition:color .16s ease,background .16s ease;white-space:nowrap}
.hdr-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.hdr-link.act{color:#fff}
.hdr-link.act::after{content:'';position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--blue)}
.hdr-cta{margin-left:10px}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:10px;background:none;border:1px solid var(--ld2);border-radius:10px;cursor:pointer}
.burger i{display:block;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.burger.x i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.x i:nth-child(2){opacity:0}
.burger.x i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:1020px){
  .hdr-nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:rgba(9,12,18,.98);border-bottom:1px solid var(--ld);padding:14px 20px 20px}
  .hdr-nav.open{display:flex}
  .hdr-link{padding:13px 14px;font-size:16px}
  .hdr-link.act::after{display:none}
  .hdr-link.act{background:rgba(60,140,240,.12)}
  .hdr-cta{margin:10px 0 0}
  .burger{display:flex}
}

/* ---------- footer ---------- */
.ftr{background:var(--ink);border-top:1px solid var(--ld)}
.ftr a{transition:color .15s ease}
.ftr-col{display:flex;flex-direction:column;gap:12px;min-width:0}
.ftr-h{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--td3);margin-bottom:4px}
.ftr-l{color:var(--td2);text-decoration:none;font-size:14px;width:fit-content}
.ftr-l:hover{color:#fff}

/* ---------- terminal ---------- */
.term{background:#080C12;border:1px solid var(--ld);border-radius:16px;overflow:hidden;box-shadow:0 24px 64px rgba(0,0,0,.45)}
.term-bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--ld);background:rgba(255,255,255,.025)}
.term-bar i{width:11px;height:11px;border-radius:50%;display:block}
.term-bar i:nth-child(1){background:#FF5F57}.term-bar i:nth-child(2){background:#FEBC2E}.term-bar i:nth-child(3){background:#28C840}
.term-title{margin-left:8px;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--td3)}
.term-body{padding:20px 20px 24px;font-family:var(--mono);font-size:13px;line-height:1.9;min-height:236px}
.tl{display:block;white-space:pre-wrap;word-break:break-word}
.tl .p{color:#5C86B8}
.tl .c{color:#E7ECF1}
.tl .g{color:var(--green)}
.tl .m{color:var(--td3)}
.tl .b{color:var(--cyan)}
.caret{display:inline-block;width:8px;height:15px;background:var(--cyan);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- chat demo ---------- */
.chat{background:#0A0E15;border:1px solid var(--ld);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.chat-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 18px;border-bottom:1px solid var(--ld);background:rgba(255,255,255,.025)}
.chat-log{padding:20px 18px;display:flex;flex-direction:column;gap:14px;height:330px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.14) transparent}
.msg{max-width:86%;padding:11px 15px;border-radius:14px;font-size:14px;line-height:1.6;white-space:pre-wrap}
.msg.u{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:5px}
.msg.a{align-self:flex-start;background:rgba(255,255,255,.06);border:1px solid var(--ld);color:var(--td1);border-bottom-left-radius:5px}
.chat-sugs{display:flex;gap:8px;flex-wrap:wrap;padding:0 18px 14px}
.sug{background:none;border:1px solid var(--ld2);border-radius:999px;padding:7px 13px;font-family:var(--sans);font-size:12.5px;font-weight:560;color:var(--td2);cursor:pointer;transition:border-color .15s ease,color .15s ease}
.sug:hover{border-color:var(--blue);color:#fff}
.chat-row{display:flex;gap:10px;padding:14px 16px;border-top:1px solid var(--ld);background:rgba(255,255,255,.02)}
.chat-in{flex:1;background:rgba(255,255,255,.05);border:1px solid var(--ld2);border-radius:11px;padding:12px 15px;font-family:var(--sans);font-size:14.5px;color:#fff;min-width:0}
.chat-in::placeholder{color:var(--td3)}
.chat-in:focus{outline:none;border-color:var(--blue)}
.chat-send{background:var(--blue);color:#fff;border:none;border-radius:11px;padding:0 18px;font-family:var(--sans);font-size:14.5px;font-weight:650;cursor:pointer;transition:background .15s ease}
.chat-send:hover{background:var(--blue2)}
.chat-send:disabled{opacity:.45;cursor:default}

/* ---------- fields ---------- */
.field{display:flex;flex-direction:column;gap:7px}
.field span{font-size:13.5px;font-weight:620;color:var(--t2)}
.field input,.field textarea,.field select{padding:13px 15px;border:1px solid var(--line2);border-radius:10px;font-family:var(--sans);font-size:15px;color:var(--t1);background:#fff;width:100%;transition:border-color .15s ease,box-shadow .15s ease}
.field textarea{resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(60,140,240,.14)}

/* ---------- toggle chips (light) ---------- */
.chipx{padding:9px 16px;border-radius:999px;font-family:var(--sans);font-size:13.5px;font-weight:600;cursor:pointer;background:#fff;border:1px solid var(--line2);color:var(--t2);transition:border-color .15s ease,background .15s ease,color .15s ease}
.chipx:hover{border-color:var(--blue)}
.chipx.on{background:rgba(60,140,240,.1);border-color:var(--blue);color:var(--blue2)}

/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;background:none;border:none;padding:22px 26px;font-family:var(--sans);font-size:16.5px;font-weight:680;color:var(--t1);text-align:left;cursor:pointer}
.faq-q:hover{color:var(--blue2)}
.faq-chev{flex:none;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line2);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--t3);transition:transform .2s ease,border-color .2s ease,color .2s ease}
.faq-item.open .faq-chev{transform:rotate(45deg);border-color:var(--blue);color:var(--blue)}
.faq-a{display:none;padding:0 26px 24px;max-width:820px}
.faq-item.open .faq-a{display:block}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;align-items:center;gap:56px;width:max-content;animation:mq 36s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}
.mq-item{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--t3);white-space:nowrap}

/* ---------- image slots ---------- */
.slot{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.dark .slot,.dark-2 .slot{border-color:var(--ld)}
.slot img{display:none;width:100%;height:100%;object-fit:cover}
.slot[data-ok] img{display:block}
.slot[data-ok] .slot-fb{display:none}
.slot-fb{display:flex;align-items:center;justify-content:center;width:100%;height:100%}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .75s ease,transform .75s cubic-bezier(.16,1,.3,1);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee-track{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- stats ---------- */
.stat{display:flex;flex-direction:column;gap:6px}
.stat b{font-size:clamp(30px,3.4vw,44px);font-weight:800;font-stretch:110%;letter-spacing:-.03em;line-height:1;color:#fff}
.stat b em{font-style:normal;color:var(--blue)}
.stat span{font-family:var(--mono);font-size:11px;letter-spacing:.15em;color:var(--td3);text-transform:uppercase}
.stat.on-l b{color:var(--t1)}
.stat.on-l span{color:var(--t3)}

/* ---------- range slider ---------- */
input[type=range].rng{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:5px;background:linear-gradient(90deg,var(--blue) var(--fill,50%),rgba(255,255,255,.14) var(--fill,50%));outline:none;cursor:pointer}
input[type=range].rng::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:5px solid var(--blue);box-shadow:0 2px 10px rgba(0,0,0,.4);cursor:grab}
input[type=range].rng::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:#fff;border:5px solid var(--blue);cursor:grab}

/* ---------- misc ---------- */
.g{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.num{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--blue)}
.avatar{border-radius:50%;background:linear-gradient(135deg,rgba(60,140,240,.22),rgba(111,199,245,.12));border:1px solid rgba(60,140,240,.25);display:flex;align-items:center;justify-content:center;flex:none}
.avatar b{color:var(--blue2);font-weight:720}
table.spec{width:100%;border-collapse:collapse;font-size:14.5px}
table.spec th{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--td3);text-align:left;padding:12px 16px;border-bottom:1px solid var(--ld)}
table.spec td{padding:14px 16px;border-bottom:1px solid var(--ld);color:var(--td2)}
table.spec td:first-child{color:#fff;font-weight:620}
.kbd{font-family:var(--mono);font-size:12px;background:rgba(255,255,255,.07);border:1px solid var(--ld2);border-radius:6px;padding:2px 7px;color:var(--td1)}