/* ============================================================
   Simpler AI — design system
   ============================================================ */

:root{
  /* brand */
  --b1:#6E8BFF;      /* indigo */
  --b2:#A97BFF;      /* violet */
  --b3:#2DD4E8;      /* cyan   */
  --grad: linear-gradient(110deg, var(--b1) 0%, var(--b2) 48%, var(--b3) 100%);
  --grad-soft: linear-gradient(110deg, rgba(110,139,255,.16), rgba(169,123,255,.14) 50%, rgba(45,212,232,.14));

  /* type */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* layout */
  --wrap: 1200px;
  --pad: clamp(20px, 5vw, 40px);
  --r-sm: 12px;
  --r: 18px;
  --r-lg: 26px;

  /* motion */
  --e: cubic-bezier(.22,1,.36,1);
  --e-in-out: cubic-bezier(.65,0,.35,1);
}

/* ---- dark (default) ---- */
[data-theme="dark"]{
  --bg:#05060A;
  --bg-2:#080A11;
  --surface: rgba(255,255,255,.028);
  --surface-2: rgba(255,255,255,.05);
  --line: rgba(255,255,255,.09);
  --line-2: rgba(255,255,255,.16);
  --tx:#EDEFF5;
  --tx-2: rgba(237,239,245,.66);
  --tx-3: rgba(237,239,245,.42);
  --shadow: 0 30px 80px -30px rgba(0,0,0,.9);
  --glass: rgba(255,255,255,.05);
  --nav-bg: rgba(8,10,17,.66);
  --grain-o:.035;
}

/* ---- light ---- */
[data-theme="light"]{
  --bg:#FBFBFD;
  --bg-2:#F4F5F9;
  --surface: rgba(10,14,30,.022);
  --surface-2: rgba(10,14,30,.045);
  --line: rgba(10,14,30,.1);
  --line-2: rgba(10,14,30,.18);
  --tx:#0B0E18;
  --tx-2: rgba(11,14,24,.66);
  --tx-3: rgba(11,14,24,.45);
  --shadow: 0 30px 70px -34px rgba(20,26,60,.35);
  --glass: rgba(255,255,255,.7);
  --nav-bg: rgba(251,251,253,.72);
  --grain-o:.02;
}

/* ============================================================
   base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:96px }
body{
  margin:0; background:var(--bg); color:var(--tx);
  font-family:var(--font); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  transition: background .5s var(--e), color .5s var(--e);
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.06;letter-spacing:-.03em;font-weight:640}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(110,139,255,.32)}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.skip-link{position:fixed;left:-999px;top:12px;z-index:200;background:var(--b1);color:#fff;padding:10px 16px;border-radius:10px}
.skip-link:focus{left:12px}
:focus-visible{outline:2px solid var(--b3);outline-offset:3px;border-radius:6px}

/* ============================================================
   chrome: grain / progress / cursor
   ============================================================ */
.grain{
  position:fixed;inset:-120%;z-index:999;pointer-events:none;opacity:var(--grain-o);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 8s steps(6) infinite;
  mix-blend-mode:overlay;
}
@keyframes grain{
  0%,100%{transform:translate(0,0)} 16%{transform:translate(-4%,-3%)} 33%{transform:translate(3%,-4%)}
  50%{transform:translate(-3%,3%)} 66%{transform:translate(4%,2%)} 83%{transform:translate(-2%,4%)}
}

.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;pointer-events:none}
.scroll-progress i{display:block;height:100%;width:0;background:var(--grad);box-shadow:0 0 18px rgba(110,139,255,.7)}

.cursor{position:fixed;top:0;left:0;z-index:998;pointer-events:none;mix-blend-mode:difference}
.cursor__dot,.cursor__ring{position:absolute;border-radius:50%;transform:translate(-50%,-50%)}
.cursor__dot{width:6px;height:6px;background:#fff}
.cursor__ring{
  width:34px;height:34px;border:1px solid rgba(255,255,255,.6);
  transition:width .3s var(--e),height .3s var(--e),background .3s var(--e),border-color .3s var(--e);
}
body.is-hovering .cursor__ring{width:58px;height:58px;background:rgba(255,255,255,.12);border-color:transparent}
@media (hover:none),(max-width:900px){ .cursor{display:none} }

/* ============================================================
   nav
   ============================================================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:110;transition:transform .45s var(--e)}
.nav__inner{
  width:min(calc(100% - 24px), calc(var(--wrap) + 40px));margin:12px auto 0;
  display:flex;align-items:center;gap:20px;
  padding:10px 10px 10px 16px;border-radius:999px;
  border:1px solid transparent;background:transparent;
  transition:background .4s var(--e),border-color .4s var(--e),box-shadow .4s var(--e),backdrop-filter .4s var(--e),margin .4s var(--e);
}
.nav.is-stuck .nav__inner{
  background:var(--nav-bg);border-color:var(--line);
  backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);
  box-shadow:0 12px 40px -20px rgba(0,0,0,.6);
}
.nav.is-hidden{transform:translateY(-130%)}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{width:32px;height:32px;display:block;transition:transform .5s var(--e)}
.brand:hover .brand__mark{transform:rotate(-8deg) scale(1.06)}
.brand__text{font-weight:680;letter-spacing:-.035em;font-size:17.5px}
.brand__text span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.nav__links{display:flex;gap:4px;margin-inline:auto}
.nav__links a{
  position:relative;padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--tx-2);
  transition:color .3s var(--e),background .3s var(--e);
}
.nav__links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--e);
}
.nav__links a:hover{color:var(--tx)}
.nav__links a:hover::after{transform:scaleX(1)}
.nav__links a.is-current{color:var(--tx);background:var(--surface-2)}

.nav__actions{display:flex;align-items:center;gap:8px}
.theme-toggle{
  width:38px;height:38px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--tx-2);
  transition:color .3s,border-color .3s,transform .3s var(--e)
}
.theme-toggle:hover{color:var(--tx);border-color:var(--line-2);transform:rotate(18deg)}
.theme-toggle svg{width:17px;height:17px}
[data-theme="dark"] .ico-sun{display:block}[data-theme="dark"] .ico-moon{display:none}
[data-theme="light"] .ico-sun{display:none}[data-theme="light"] .ico-moon{display:block}

.burger{display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--surface);cursor:pointer;position:relative}
.burger i{position:absolute;left:11px;width:16px;height:1.6px;background:var(--tx);border-radius:2px;transition:transform .4s var(--e),opacity .3s}
.burger i:nth-child(1){top:16px}.burger i:nth-child(2){top:21px}
.burger.is-open i:nth-child(1){transform:translateY(2.5px) rotate(45deg)}
.burger.is-open i:nth-child(2){transform:translateY(-2.5px) rotate(-45deg)}

/* ============================================================
   buttons
   ============================================================ */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 20px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;font-weight:560;letter-spacing:-.01em;cursor:pointer;white-space:nowrap;
  transition:transform .35s var(--e),box-shadow .35s var(--e),background .3s var(--e),border-color .3s var(--e),color .3s var(--e);
  will-change:transform;
}
.btn svg{width:17px;height:17px;transition:transform .35s var(--e)}
.btn:hover svg{transform:translateX(3px)}
.btn--lg{padding:15px 28px;font-size:15.5px}
.btn--block{width:100%}

.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 34px -12px rgba(110,139,255,.75)}
.btn--primary::before{
  content:"";position:absolute;inset:0;border-radius:inherit;overflow:hidden;
  background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.42) 48%,transparent 62%);
  background-size:250% 100%;background-position:200% 0;opacity:0;transition:opacity .3s;
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px -14px rgba(110,139,255,.9)}
.btn--primary:hover::before{opacity:1;animation:shine 1s var(--e)}
@keyframes shine{to{background-position:-60% 0}}
.btn--primary>*{position:relative;z-index:1}

.btn--glass{background:var(--glass);border-color:var(--line);color:var(--tx);backdrop-filter:blur(12px)}
.btn--glass:hover{border-color:var(--line-2);transform:translateY(-2px);background:var(--surface-2)}
.btn--ghost{background:transparent;color:var(--tx-2)}
.btn--ghost:hover{color:var(--tx);background:var(--surface-2)}

/* ============================================================
   reveal
   ============================================================ */
[data-reveal]{opacity:0;transform:translateY(26px);filter:blur(6px);
  transition:opacity .9s var(--e) var(--d,0s),transform .9s var(--e) var(--d,0s),filter .9s var(--e) var(--d,0s)}
[data-reveal].is-in{opacity:1;transform:none;filter:none}

/* ============================================================
   hero
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:128px 0 84px;overflow:hidden;isolation:isolate}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-2;opacity:.85}
.hero__grid{
  position:absolute;inset:0;z-index:-3;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 90% 65% at 50% 35%,#000 10%,transparent 72%);
  mask-image:radial-gradient(ellipse 90% 65% at 50% 35%,#000 10%,transparent 72%);
  opacity:.7;
}
.hero__aurora{position:absolute;inset:-20%;z-index:-4;filter:blur(90px);opacity:.55}
.hero__aurora i{position:absolute;border-radius:50%;display:block}
.hero__aurora i:nth-child(1){width:46vw;height:46vw;left:6%;top:2%;background:radial-gradient(circle,rgba(110,139,255,.75),transparent 66%);animation:float1 20s ease-in-out infinite}
.hero__aurora i:nth-child(2){width:40vw;height:40vw;right:4%;top:12%;background:radial-gradient(circle,rgba(169,123,255,.7),transparent 66%);animation:float2 26s ease-in-out infinite}
.hero__aurora i:nth-child(3){width:38vw;height:38vw;left:34%;bottom:-6%;background:radial-gradient(circle,rgba(45,212,232,.55),transparent 66%);animation:float3 23s ease-in-out infinite}
[data-theme="light"] .hero__aurora{opacity:.42}
@keyframes float1{50%{transform:translate(9vw,6vh) scale(1.14)}}
@keyframes float2{50%{transform:translate(-8vw,9vh) scale(.88)}}
@keyframes float3{50%{transform:translate(6vw,-8vh) scale(1.1)}}

.hero__inner{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center}

.pill{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px 7px 11px;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(12px);
  font-size:13px;color:var(--tx-2);letter-spacing:-.005em;margin-bottom:30px;
}
.pill__dot{width:7px;height:7px;border-radius:50%;background:#34D399;box-shadow:0 0 0 0 rgba(52,211,153,.7);animation:ping 2.4s infinite}
@keyframes ping{70%{box-shadow:0 0 0 9px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}

.hero__title{font-size:clamp(38px,6.4vw,76px);font-weight:660;letter-spacing:-.045em;max-width:16ch}
.hero__title .split{display:block}
.hero__title .grad{
  background:linear-gradient(100deg,var(--tx) 8%,var(--b1) 42%,var(--b2) 62%,var(--b3) 88%);
  background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:sweep 9s var(--e-in-out) infinite;
}
@keyframes sweep{50%{background-position:100% 0}}

.hero__lead{margin-top:26px;max-width:60ch;font-size:clamp(16px,1.6vw,19px);color:var(--tx-2);line-height:1.55}
.rotator{position:relative;display:inline-block;color:var(--tx);font-weight:600;white-space:nowrap;vertical-align:bottom}
.rotator span{display:inline-block;animation:rotIn .5s var(--e)}
.rotator::after{content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;background:var(--grad);border-radius:2px;opacity:.85}
@keyframes rotIn{from{opacity:0;transform:translateY(12px) rotateX(-40deg)}}

.hero__cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:38px}

.hero__stats{display:flex;flex-wrap:wrap;gap:14px 46px;justify-content:center;margin:46px 0 0;padding-top:28px;border-top:1px solid var(--line);width:min(100%,860px)}
.hero__stats div{flex:1 1 200px;max-width:270px}
.hero__stats dt{font-size:30px;font-weight:660;letter-spacing:-.04em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__stats dd{margin:2px 0 0;font-size:13px;color:var(--tx-3);line-height:1.4}

.hero__scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);width:24px;height:38px;border:1px solid var(--line-2);border-radius:14px;display:grid;place-items:start center;padding-top:7px}
.hero__scroll i{width:3px;height:7px;border-radius:3px;background:var(--tx-3);animation:scrolly 1.9s var(--e-in-out) infinite}
@keyframes scrolly{50%{transform:translateY(13px);opacity:.2}}

/* ============================================================
   marquee strip
   ============================================================ */
.strip{padding:12px 0 44px;overflow:hidden}
.strip__label{text-align:center;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--tx-3);margin-bottom:22px}
.marquee{position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee__track{display:flex;width:max-content;animation:slide 42s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__row{display:flex;gap:14px;padding-right:14px}
.marquee__row li{
  padding:9px 18px;border:1px solid var(--line);border-radius:999px;background:var(--surface);
  font-size:14px;color:var(--tx-2);white-space:nowrap;transition:color .3s,border-color .3s,transform .3s var(--e)
}
.marquee__row li:hover{color:var(--tx);border-color:var(--line-2);transform:translateY(-2px)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ============================================================
   sections / heads
   ============================================================ */
.section{position:relative;padding:clamp(80px,11vw,150px) 0}
.section--tight{padding-block:clamp(60px,8vw,100px)}
.section--alt{background:var(--bg-2)}
.section--alt::before,.section--alt::after{content:"";position:absolute;left:0;right:0;height:1px;background:var(--line)}
.section--alt::before{top:0}.section--alt::after{bottom:0}

.head{max-width:760px;margin-bottom:clamp(42px,6vw,72px)}
.head--center{margin-inline:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--tx-3);
  margin-bottom:16px;padding-left:26px;position:relative
}
.eyebrow::before{content:"";position:absolute;left:0;top:50%;width:18px;height:1px;background:var(--grad)}
.head--center .eyebrow{padding-left:0}
.head--center .eyebrow::before{display:none}
.h2{font-size:clamp(29px,4.4vw,52px);letter-spacing:-.04em}
.h2 .dim{color:var(--tx-3)}
.lead{margin-top:20px;color:var(--tx-2);font-size:clamp(15.5px,1.5vw,18px);max-width:62ch}
.head--center .lead{margin-inline:auto}
.lead a{color:var(--tx);border-bottom:1px solid var(--line-2)}
.footnote{margin-top:28px;font-size:12.5px;color:var(--tx-3);text-align:center}

/* spotlight (mouse-follow glow) */
[data-spot]{position:relative;isolation:isolate}
[data-spot]::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:0;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(110,139,255,.16),transparent 62%);
  opacity:0;transition:opacity .45s var(--e);
}
[data-spot]:hover::before{opacity:1}

/* ============================================================
   problem
   ============================================================ */
.pains{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.pain{
  padding:30px 26px 28px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);
  transition:border-color .4s var(--e),transform .5s var(--e),background .4s var(--e)
}
.pain:hover{border-color:var(--line-2);transform:translateY(-4px)}
.pain__num{font-family:var(--mono);font-size:12px;color:var(--tx-3);letter-spacing:.1em}
.pain h3{margin:16px 0 10px;font-size:19px;letter-spacing:-.025em;position:relative;z-index:1}
.pain p{font-size:14.5px;color:var(--tx-2);line-height:1.62;position:relative;z-index:1}

/* ============================================================
   tabs + bento
   ============================================================ */
.tabs__bar{
  position:relative;display:inline-flex;gap:4px;padding:5px;margin:0 auto 34px;
  border:1px solid var(--line);border-radius:999px;background:var(--surface);
  left:50%;transform:translateX(-50%)
}
.tabs__bar button{
  position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border:0;background:transparent;border-radius:999px;cursor:pointer;
  font-size:14.5px;font-weight:520;color:var(--tx-3);transition:color .35s var(--e)
}
.tabs__bar button svg{width:17px;height:17px}
.tabs__bar button.is-active{color:#fff}
[data-theme="light"] .tabs__bar button.is-active{color:#fff}
.tabs__pill{
  position:absolute;top:5px;bottom:5px;border-radius:999px;background:var(--grad);
  box-shadow:0 8px 26px -10px rgba(110,139,255,.8);
  transition:transform .55s var(--e),width .55s var(--e);z-index:0
}

.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bento[hidden]{display:none}
.bento.is-swapping{animation:swap .5s var(--e)}
@keyframes swap{from{opacity:0;transform:translateY(14px) scale(.99)}}

.card{
  position:relative;grid-column:span 2;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
  transition:border-color .4s var(--e),transform .5s var(--e),box-shadow .5s var(--e);
  transform-style:preserve-3d;
}
.card:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.card--wide{grid-column:span 4;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:8px}
.card--tall{grid-column:span 4}
.card__body{position:relative;z-index:1;padding:30px 28px}
.chip{
  display:inline-block;padding:5px 11px;border-radius:999px;font-size:11.5px;font-weight:560;letter-spacing:.04em;
  text-transform:uppercase;border:1px solid var(--line);background:var(--surface-2);color:var(--tx-2);margin-bottom:16px
}
.card h3{font-size:clamp(19px,2vw,25px);letter-spacing:-.03em;margin-bottom:12px}
.card p{color:var(--tx-2);font-size:15px;line-height:1.65;max-width:56ch}

.ticks{margin-top:20px;display:grid;gap:9px}
.ticks li{position:relative;padding-left:26px;font-size:14.5px;color:var(--tx-2)}
.ticks li::before{
  content:"";position:absolute;left:0;top:7px;width:15px;height:15px;border-radius:50%;
  background:var(--grad-soft);border:1px solid var(--line-2);
}
.ticks li::after{content:"";position:absolute;left:5px;top:11px;width:5px;height:2.5px;border-left:1.6px solid var(--b3);border-bottom:1.6px solid var(--b3);transform:rotate(-45deg)}
.ticks--lg li{font-size:15.5px;padding-block:2px}

.card__visual{position:relative;z-index:1;padding:26px 28px 26px 6px;min-height:100%;display:flex;align-items:center}

/* chat mock */
.chat{width:100%;display:grid;gap:9px;font-size:13.2px}
.chat__msg{position:relative;padding:11px 14px;border-radius:14px;max-width:88%;line-height:1.5;animation:pop .6s var(--e) backwards}
.chat__msg time{display:block;font-size:10.5px;color:var(--tx-3);margin-top:5px;font-family:var(--mono)}
.chat__msg--in{background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:5px;animation-delay:.05s}
.chat__msg--out{background:var(--grad);color:#fff;margin-left:auto;border-bottom-right-radius:5px;animation-delay:.25s}
.chat__msg--out time{color:rgba(255,255,255,.7)}
.chat__msg:nth-child(3){animation-delay:.45s}
.chat__note{font-size:12px;color:var(--tx-3);font-family:var(--mono);animation:pop .6s var(--e) .65s backwards}
.chat__note b{color:#34D399}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.97)}}

/* doc mock */
.doc{width:100%;font-size:13px;display:grid;gap:2px}
.doc__row{display:flex;justify-content:space-between;gap:14px;padding:10px 13px;border-radius:10px;background:var(--surface-2);border:1px solid transparent;animation:pop .5s var(--e) backwards}
.doc__row:nth-child(1){animation-delay:.05s}.doc__row:nth-child(2){animation-delay:.15s}
.doc__row:nth-child(3){animation-delay:.25s}.doc__row:nth-child(4){animation-delay:.35s}
.doc__row:nth-child(5){animation-delay:.45s}
.doc__row span{color:var(--tx-3)}
.doc__row b{font-family:var(--mono);font-weight:500;font-size:12.3px}
.doc__row .ok{color:#34D399}
.doc__row--warn{border-color:rgba(251,191,36,.35);background:rgba(251,191,36,.07)}
.doc__row .warn{color:#FBBF24}
.doc__bar{height:4px;border-radius:4px;background:var(--surface-2);overflow:hidden;margin-top:10px}
.doc__bar i{display:block;height:100%;width:78%;background:var(--grad);animation:fill 2.4s var(--e) infinite}
@keyframes fill{0%{width:0}70%,100%{width:78%}}

/* ============================================================
   demo / terminal
   ============================================================ */
.demo{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(30px,5vw,70px);align-items:center}
.demo__copy .btn{margin-top:30px}

.term{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#07090F;
  box-shadow:var(--shadow)
}
[data-theme="light"] .term{background:#0A0D16}
.term__bar{display:flex;align-items:center;gap:7px;padding:12px 15px;border-bottom:1px solid rgba(255,255,255,.07);background:rgba(255,255,255,.03)}
.term__bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.16)}
.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__bar span{margin-left:8px;font-family:var(--mono);font-size:11.5px;color:rgba(237,239,245,.4)}
.term__body{
  padding:20px;font-family:var(--mono);font-size:12.6px;line-height:1.95;color:#C9D0E3;
  min-height:330px;max-height:330px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end
}
.term__line{white-space:pre-wrap;animation:termin .35s var(--e)}
@keyframes termin{from{opacity:0;transform:translateY(6px)}}
.term__line .t{color:#586080}
.term__line .g{color:#34D399}.term__line .b{color:#6E8BFF}.term__line .v{color:#A97BFF}
.term__line .c{color:#2DD4E8}.term__line .y{color:#FBBF24}
.term__cursor{display:inline-block;width:7px;height:14px;background:#2DD4E8;vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

/* ============================================================
   steps
   ============================================================ */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding-top:34px}
.steps__line{position:absolute;top:5px;left:0;right:0;height:1px;background:var(--line)}
.steps__line i{display:block;height:100%;width:0;background:var(--grad);box-shadow:0 0 14px rgba(110,139,255,.6);transition:width .1s linear}
.steps li{position:relative;padding-right:14px}
.steps__dot{position:absolute;top:-33px;left:0;width:11px;height:11px;border-radius:50%;background:var(--bg);border:1.5px solid var(--line-2);transition:border-color .4s,box-shadow .4s,background .4s}
.steps li.is-in .steps__dot{background:var(--b1);border-color:var(--b1);box-shadow:0 0 0 5px rgba(110,139,255,.16)}
.steps__meta{display:block;font-family:var(--mono);font-size:11.5px;color:var(--tx-3);letter-spacing:.04em;margin-bottom:12px}
.steps h3{font-size:20px;letter-spacing:-.03em;margin-bottom:10px}
.steps p{font-size:14.5px;color:var(--tx-2);line-height:1.62}

/* ============================================================
   kalkulator
   ============================================================ */
.calc{display:grid;grid-template-columns:1fr .85fr;gap:clamp(30px,5vw,70px);align-items:center}
.calc__controls{display:grid;gap:24px;margin-top:38px;max-width:520px}
.field-range label{display:flex;justify-content:space-between;align-items:baseline;gap:14px;font-size:14px;color:var(--tx-2);margin-bottom:12px}
.field-range output{font-family:var(--mono);font-size:14.5px;font-weight:500;color:var(--tx);background:var(--surface-2);border:1px solid var(--line);padding:2px 10px;border-radius:8px;min-width:74px;text-align:center}
.field-range--card{margin-top:24px}

input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:6px;background:var(--surface-2);
  border:1px solid var(--line);cursor:pointer;
  background-image:linear-gradient(90deg,var(--b1),var(--b2),var(--b3));
  background-size:var(--fill,50%) 100%;background-repeat:no-repeat;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:0;
  box-shadow:0 2px 10px rgba(0,0,0,.45),0 0 0 0 rgba(110,139,255,.35);
  transition:transform .25s var(--e),box-shadow .25s var(--e);cursor:grab
}
input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.18);box-shadow:0 2px 10px rgba(0,0,0,.45),0 0 0 8px rgba(110,139,255,.18)}
input[type=range]:active::-webkit-slider-thumb{cursor:grabbing;transform:scale(1.05)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;border:0;cursor:grab}

.calc__panel{padding:34px 30px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow)}
.calc__ring{position:relative;width:170px;margin:0 auto 26px}
.calc__ring svg{transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:var(--surface-2);stroke-width:9}
.ring-fg{fill:none;stroke:url(#ringGrad);stroke-width:9;stroke-linecap:round;stroke-dasharray:427;stroke-dashoffset:171;transition:stroke-dashoffset .7s var(--e);filter:drop-shadow(0 0 10px rgba(110,139,255,.45))}
.calc__ringtext{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.calc__ringtext b{display:block;font-size:34px;font-weight:660;letter-spacing:-.04em}
.calc__ringtext span{font-size:11.5px;color:var(--tx-3)}

.calc__out{display:grid;gap:2px;margin-bottom:24px;position:relative;z-index:1}
.calc__out div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.calc__out div:last-child{border-bottom:0}
.calc__out span{font-size:14px;color:var(--tx-2)}
.calc__out b{font-size:19px;font-weight:620;letter-spacing:-.03em;font-variant-numeric:tabular-nums;white-space:nowrap}
.calc__out div:nth-child(2) b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:23px}
.calc__note{margin-top:14px;font-size:12px;color:var(--tx-3);text-align:center;line-height:1.5}

/* ============================================================
   metryki
   ============================================================ */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:20px;text-align:center}
.metrics div{padding:26px 16px;border-radius:var(--r);border:1px solid var(--line);background:var(--surface)}
.metrics b{display:block;font-size:clamp(34px,4.6vw,54px);font-weight:660;letter-spacing:-.045em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.metrics span{display:block;margin-top:8px;font-size:13.5px;color:var(--tx-2);line-height:1.5}

/* ============================================================
   pakiety
   ============================================================ */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;align-items:stretch}
.plans--ladder{grid-template-columns:repeat(4,1fr)}
.plans--ladder .plan__price{font-size:25px}
@media (max-width:1100px){.plans--ladder{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.plans--ladder{grid-template-columns:1fr}}
.plan__step{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--tx-3);margin-bottom:10px;position:relative;z-index:1}
.plan{
  position:relative;display:flex;flex-direction:column;
  padding:34px 30px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
  transition:transform .5s var(--e),border-color .4s var(--e),box-shadow .5s var(--e)
}
.plan:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:var(--shadow)}
.plan--featured{border-color:transparent;background:
  linear-gradient(var(--bg),var(--bg)) padding-box,
  var(--grad) border-box;
  box-shadow:0 24px 70px -34px rgba(110,139,255,.8)}
[data-theme="light"] .plan--featured{background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box}
.plan__badge{
  position:absolute;top:-11px;left:50%;transform:translateX(-50%);white-space:nowrap;
  padding:5px 14px;border-radius:999px;background:var(--grad);color:#fff;font-size:11.5px;font-weight:580;letter-spacing:.02em
}
.plan h3{font-size:21px;letter-spacing:-.03em;position:relative;z-index:1}
.plan__price{margin:14px 0 0;font-size:29px;font-weight:640;letter-spacing:-.04em;position:relative;z-index:1}
.plan__price span{display:block;font-size:12.5px;font-weight:420;color:var(--tx-3);letter-spacing:0;margin-top:4px}
.plan__desc{margin:18px 0 0;font-size:14.5px;color:var(--tx-2);line-height:1.6;position:relative;z-index:1}
.plan .ticks{margin:22px 0 28px;position:relative;z-index:1}
.plan .btn{position:relative;z-index:1;margin-top:auto}

/* program partnerski */
.partner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  margin-top:18px;padding:30px 30px;border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--grad-soft);
  transition:border-color .4s var(--e)
}
.partner:hover{border-color:var(--line-2)}
.partner > div{position:relative;z-index:1;max-width:62ch}
.partner h3{font-size:21px;letter-spacing:-.03em;margin-bottom:10px}
.partner p{font-size:14.5px;color:var(--tx-2);line-height:1.6}
.partner .btn{position:relative;z-index:1;flex-shrink:0}
.partner .chip{margin-bottom:12px}

/* ============================================================
   faq
   ============================================================ */
.faq{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,70px);align-items:start}
.faq__list{display:grid;gap:10px}
.faq details{
  border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden;
  transition:border-color .35s var(--e),background .35s var(--e)
}
.faq details[open]{border-color:var(--line-2);background:var(--surface-2)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 54px 20px 22px;position:relative;
  font-size:16px;font-weight:540;letter-spacing:-.02em
}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{position:absolute;right:22px;top:50%;width:13px;height:13px;margin-top:-6px}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;background:var(--tx-2);border-radius:2px;transition:transform .4s var(--e),opacity .3s}
.faq summary i::before{left:0;top:6px;width:13px;height:1.6px}
.faq summary i::after{left:6px;top:0;width:1.6px;height:13px}
.faq details[open] summary i::after{transform:rotate(90deg);opacity:0}
.faq details p{padding:0 54px 22px 22px;font-size:14.8px;color:var(--tx-2);line-height:1.68;
  animation:acc .45s var(--e)}
@keyframes acc{from{opacity:0;transform:translateY(-6px)}}

/* ============================================================
   kontakt / formularz
   ============================================================ */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,70px);align-items:start}
.contact__facts{display:grid;gap:18px;margin-top:38px}
.contact__facts li{padding-left:20px;border-left:2px solid var(--line)}
.contact__facts b{display:block;font-size:15.5px;font-weight:580;letter-spacing:-.02em}
.contact__facts span{font-size:14px;color:var(--tx-2)}
.contact__direct{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line);font-size:15px}
.contact__direct a{color:var(--tx-2);position:relative;transition:color .3s}
.contact__direct a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--e)}
.contact__direct a:hover{color:var(--tx)}
.contact__direct a:hover::after{transform:scaleX(1)}

.formcard{
  position:relative;padding:32px 30px 30px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow);overflow:hidden
}
.formcard__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;position:relative;z-index:1}
.formcard__steps{display:flex;gap:7px}
.formcard__steps span{width:8px;height:8px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line);transition:all .4s var(--e)}
.formcard__steps span.is-active{background:var(--grad);border-color:transparent;width:24px;border-radius:5px}
.formcard__steps span.is-done{background:var(--b3);border-color:transparent}
.formcard__count{font-family:var(--mono);font-size:12px;color:var(--tx-3)}
.formcard__count b{color:var(--tx)}
.formcard__bar{height:3px;border-radius:3px;background:var(--surface-2);overflow:hidden;margin-bottom:28px;position:relative;z-index:1}
.formcard__bar i{display:block;height:100%;width:33.33%;background:var(--grad);transition:width .55s var(--e)}

.step{display:none;border:0;margin:0;padding:0;min-inline-size:0;position:relative;z-index:1}
.step.is-active{display:block;animation:stepIn .5s var(--e)}
.step.is-back{animation:stepBack .5s var(--e)}
@keyframes stepIn{from{opacity:0;transform:translateX(26px)}}
@keyframes stepBack{from{opacity:0;transform:translateX(-26px)}}
.step__q{font-size:20px;font-weight:600;letter-spacing:-.03em;margin-bottom:22px;padding:0}
.step__nav{display:flex;gap:10px;justify-content:flex-end;margin-top:26px}
.step__nav .btn--primary{min-width:132px}

.choices{display:grid;gap:10px}
.choice input{position:absolute;opacity:0;width:0;height:0}
.choice__box{
  display:grid;grid-template-columns:34px 1fr;grid-template-rows:auto auto;column-gap:14px;align-items:center;
  padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface-2);cursor:pointer;
  transition:border-color .3s var(--e),background .3s var(--e),transform .3s var(--e)
}
.choice__box svg{grid-row:1/3;width:22px;height:22px;color:var(--tx-3);transition:color .3s}
.choice__box b{font-size:15px;font-weight:560;letter-spacing:-.02em}
.choice__box i{font-style:normal;font-size:12.8px;color:var(--tx-3)}
.choice:hover .choice__box{border-color:var(--line-2);transform:translateX(3px)}
.choice input:checked + .choice__box{
  border-color:transparent;background:var(--grad-soft);
  box-shadow:inset 0 0 0 1.5px var(--b1),0 8px 26px -16px rgba(110,139,255,.9)
}
.choice input:checked + .choice__box svg{color:var(--b3)}
.choice input:focus-visible + .choice__box{outline:2px solid var(--b3);outline-offset:2px}

.chips{display:flex;flex-wrap:wrap;gap:9px}
.chips input{position:absolute;opacity:0;width:0;height:0}
.chips span{
  display:inline-block;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface-2);
  font-size:14px;color:var(--tx-2);cursor:pointer;transition:all .3s var(--e)
}
.chips label:hover span{border-color:var(--line-2);color:var(--tx);transform:translateY(-2px)}
.chips input:checked + span{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 22px -12px rgba(110,139,255,.9)}
.chips input:focus-visible + span{outline:2px solid var(--b3);outline-offset:2px}

.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{position:relative}
.field--full{grid-column:1/-1}
.field input,.field textarea{
  width:100%;padding:20px 16px 8px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--surface-2);outline:none;font-size:15px;resize:vertical;
  transition:border-color .3s var(--e),background .3s var(--e),box-shadow .3s var(--e)
}
.field textarea{padding-top:24px}
.field label{
  position:absolute;left:16px;top:15px;font-size:14.5px;color:var(--tx-3);pointer-events:none;
  transform-origin:left top;transition:transform .28s var(--e),color .28s var(--e)
}
.field input:focus,.field textarea:focus{border-color:var(--b1);background:var(--surface);box-shadow:0 0 0 4px rgba(110,139,255,.13)}
.field input:focus + label,.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,.field textarea:not(:placeholder-shown) + label{transform:translateY(-9px) scale(.78);color:var(--tx-2)}
.field.has-error input,.field.has-error textarea{border-color:#F87171;box-shadow:0 0 0 4px rgba(248,113,113,.12)}

.consent{display:flex;gap:11px;align-items:flex-start;margin-top:18px;font-size:13.2px;color:var(--tx-2);line-height:1.5;cursor:pointer}
.consent input{margin-top:2px;width:17px;height:17px;accent-color:var(--b1);flex-shrink:0}
.consent a{color:var(--tx);border-bottom:1px solid var(--line-2)}

.err{margin-top:14px;font-size:13px;color:#F87171;animation:shake .4s}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}

.summary{margin-top:20px;display:none}
.summary.is-on{display:block;animation:acc .4s var(--e)}
.summary ul{display:flex;flex-wrap:wrap;gap:7px;padding:14px;border-radius:var(--r-sm);background:var(--surface-2);border:1px dashed var(--line-2)}
.summary li{font-size:12.4px;color:var(--tx-2);padding:4px 10px;border-radius:999px;background:var(--surface);border:1px solid var(--line)}
.summary li b{color:var(--tx)}

.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}

.done{text-align:center;padding:26px 10px 14px;animation:stepIn .55s var(--e)}
.done__check{width:76px;margin:0 auto 22px}
.done__check svg{width:76px;height:76px;fill:none;stroke:var(--b3);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.done__check circle{stroke-dasharray:145;stroke-dashoffset:145;animation:draw .7s var(--e) forwards}
.done__check path{stroke-dasharray:40;stroke-dashoffset:40;animation:draw .5s var(--e) .5s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.done h3{font-size:24px;letter-spacing:-.03em;margin-bottom:12px}
.done p{color:var(--tx-2);font-size:15px;max-width:42ch;margin:0 auto 26px}
.done b{color:var(--tx)}

/* ============================================================
   finale
   ============================================================ */
.finale{position:relative;padding:clamp(90px,12vw,150px) 0;text-align:center;overflow:hidden;border-top:1px solid var(--line)}
.finale__glow{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:120%;height:190%;
  background:radial-gradient(ellipse at center,rgba(110,139,255,.2),rgba(169,123,255,.1) 38%,transparent 66%);filter:blur(30px)}
.finale h2{position:relative;font-size:clamp(31px,5.4vw,66px);letter-spacing:-.045em;margin-bottom:34px}
.finale .btn{position:relative}

/* ============================================================
   footer
   ============================================================ */
.footer{border-top:1px solid var(--line);background:var(--bg-2);padding:60px 0 26px}
.footer__inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px}
.footer__brand p{margin-top:16px;font-size:14px;color:var(--tx-2);max-width:32ch}
.footer__col h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--tx-3);margin-bottom:16px;font-weight:520}
.footer__col a{display:block;font-size:14.5px;color:var(--tx-2);padding:5px 0;transition:color .3s,transform .3s var(--e)}
.footer__col a:hover{color:var(--tx);transform:translateX(3px)}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:52px;padding-top:22px;border-top:1px solid var(--line);font-size:12.8px;color:var(--tx-3)}

/* ============================================================
   mobile menu
   ============================================================ */
.mobile-menu{
  position:fixed;inset:0;z-index:105;background:var(--nav-bg);backdrop-filter:blur(24px) saturate(1.5);
  display:grid;place-content:center;animation:acc .4s var(--e)
}
.mobile-menu[hidden]{display:none}
.mobile-menu nav{display:grid;gap:6px;text-align:center}
.mobile-menu nav a{font-size:clamp(28px,7vw,40px);font-weight:620;letter-spacing:-.04em;padding:8px 0;position:relative;
  animation:mmIn .55s var(--e) backwards}
.mobile-menu nav a span{font-family:var(--mono);font-size:12px;color:var(--tx-3);position:absolute;left:-38px;top:50%;transform:translateY(-50%);letter-spacing:0}
.mobile-menu nav a:nth-child(1){animation-delay:.05s}.mobile-menu nav a:nth-child(2){animation-delay:.1s}
.mobile-menu nav a:nth-child(3){animation-delay:.15s}.mobile-menu nav a:nth-child(4){animation-delay:.2s}
.mobile-menu nav a:nth-child(5){animation-delay:.25s}.mobile-menu nav a:nth-child(6){animation-delay:.3s}
.mobile-menu__cta{margin-top:34px;justify-self:center;animation:mmIn .55s var(--e) .35s backwards}
@keyframes mmIn{from{opacity:0;transform:translateY(22px)}}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width:1080px){
  .nav__links{display:none}
  .nav__login{display:none}
  .burger{display:block}
  .demo,.calc,.faq,.contact{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px 22px}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  html{scroll-padding-top:80px}
  .nav__inner{padding-left:14px}
  .hero{padding-top:130px;min-height:auto}
  .hero__stats{gap:22px;justify-content:flex-start;text-align:left}
  .hero__stats div{min-width:140px;flex:1}
  .bento{grid-template-columns:1fr}
  .card,.card--wide,.card--tall{grid-column:span 1}
  .card--wide{grid-template-columns:1fr}
  .card__visual{padding:0 24px 26px}
  .steps{grid-template-columns:1fr;gap:30px;padding-top:0}
  .steps__line{display:none}
  .steps li{padding-left:24px;border-left:1px solid var(--line)}
  .steps__dot{top:4px;left:-6px}
  .fields{grid-template-columns:1fr}
  .formcard{padding:26px 20px 24px}
  .footer__inner{grid-template-columns:1fr 1fr;gap:26px}
  .footer__brand{grid-column:1/-1}
  .tabs__bar{width:100%;left:0;transform:none;justify-content:center}
  .tabs__bar button{padding:11px 14px;font-size:13.5px}
}
@media (max-width:600px){
  .nav__actions > .btn--primary{display:none}
}
@media (max-width:420px){
  .tabs__bar button svg{display:none}
  .step__nav{flex-direction:column-reverse}
  .step__nav .btn{width:100%}
}

/* ============================================================
   reduced motion
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;filter:none}
  .grain,.cursor{display:none}
}