/* ==========================================================================
   Snowcorp — snowcorp.io
   Premium dark theme with a motion system. No build step, no dependencies.
   All design decisions live in the token block below.
   ========================================================================== */

:root{
  /* surfaces */
  --bg:#05070d;
  --bg-alt:#080b14;
  --panel:rgba(255,255,255,.028);
  --panel-hi:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.09);
  --line-hi:rgba(255,255,255,.18);

  /* ink */
  --text:#f2f5fb;
  --muted:#97a3bd;
  --dim:#6b7796;

  /* accents */
  --ice:#7fd4ff;
  --violet:#9b8cff;
  --champagne:#e8d9b8;
  --ok:#4ade9e;

  /* system */
  --radius:16px;
  --wrap:1200px;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --ease-soft:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  font-weight:400;
  line-height:1.65;
  letter-spacing:-.011em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4{margin:0 0 .5em;font-weight:600;line-height:1.08;letter-spacing:-.035em}
p{margin:0 0 1em}
a{color:inherit}
img,svg{max-width:100%}
em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}

.skip{position:absolute;left:-9999px}
.skip:focus{
  left:16px;top:16px;z-index:200;background:var(--ice);color:#04121c;
  padding:12px 20px;border-radius:10px;font-weight:600;text-decoration:none;
}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:6px}

/* ==========================================================================
   Chrome — progress bar, snow canvas, cursor, grain
   ========================================================================== */

.progress{position:fixed;inset:0 0 auto;height:2px;z-index:120;pointer-events:none}
.progress span{
  display:block;height:100%;width:0%;
  background:linear-gradient(90deg,var(--ice),var(--violet));
  box-shadow:0 0 14px rgba(127,212,255,.6);
  transition:width .1s linear;
}

.snow{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.55}

/* Soft light that trails the pointer. Disabled on touch by app.js. */
.cursor{
  position:fixed;top:0;left:0;z-index:1;pointer-events:none;
  width:520px;height:520px;margin:-260px 0 0 -260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(127,212,255,.11),transparent 62%);
  opacity:0;transition:opacity .45s var(--ease-soft);
  will-change:transform;
}
body.has-cursor .cursor{opacity:1}

.grain{
  position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.032;
  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");
}

/* keep real content above the ambient layers */
.nav,main,.foot{position:relative;z-index:3}

/* ==========================================================================
   Nav
   ========================================================================== */

.nav{
  position:sticky;top:0;z-index:100;
  border-bottom:1px solid transparent;
  transition:background .4s var(--ease-soft),border-color .4s var(--ease-soft),backdrop-filter .4s;
}
.nav.is-stuck{
  background:rgba(5,7,13,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:100px;gap:24px;transition:height .4s var(--ease-soft)}
.nav.is-stuck .nav__inner{height:78px}

.brand{display:flex;align-items:center;text-decoration:none}
.brand__logo{
  display:block;width:auto;height:58px;
  transition:height .4s var(--ease-soft),transform .5s var(--ease);
}
.brand:hover .brand__logo{transform:scale(1.03)}
.nav.is-stuck .brand__logo{height:46px}

.nav__links{display:flex;align-items:center;gap:32px}
.nav__links a:not(.btn){
  position:relative;color:var(--muted);text-decoration:none;
  font-size:14.5px;font-weight:450;transition:color .25s var(--ease-soft);
}
.nav__links a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:-5px;width:100%;height:1px;
  background:var(--ice);transform:scaleX(0);transform-origin:right;
  transition:transform .45s var(--ease);
}
.nav__links a:not(.btn):hover{color:var(--text)}
.nav__links a:not(.btn):hover::after{transform:scaleX(1);transform-origin:left}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn{
  --btn-bg:linear-gradient(135deg,var(--ice),var(--violet));
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  padding:14px 28px;border-radius:100px;border:1px solid transparent;
  background:var(--btn-bg);color:#050a14;
  font-size:14.5px;font-weight:600;letter-spacing:-.01em;text-decoration:none;
  overflow:hidden;isolation:isolate;
  transition:box-shadow .4s var(--ease-soft),transform .25s var(--ease-soft);
  will-change:transform;
}
.btn span{position:relative;z-index:2}
/* sheen sweep on hover */
.btn::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(110deg,transparent 20%,rgba(255,255,255,.55) 50%,transparent 80%);
  transform:translateX(-120%);transition:transform .8s var(--ease);
}
.btn:hover::before{transform:translateX(120%)}
.btn:hover{box-shadow:0 10px 40px -8px rgba(127,212,255,.45)}
.btn:active{transform:scale(.97)}
.btn--sm{padding:10px 20px;font-size:13.5px}

.btn--ghost{
  background:rgba(255,255,255,.02);color:var(--text);border-color:var(--line);
  backdrop-filter:blur(8px);
}
.btn--ghost::before{background:linear-gradient(110deg,transparent 20%,rgba(255,255,255,.11) 50%,transparent 80%)}
.btn--ghost:hover{border-color:var(--line-hi);box-shadow:none;background:rgba(255,255,255,.05)}

/* ==========================================================================
   Aurora / ambient gradients
   ========================================================================== */

.aurora{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.aurora i{
  position:absolute;display:block;border-radius:50%;
  filter:blur(90px);opacity:.5;
  animation:drift 26s var(--ease-soft) infinite alternate;
}
.aurora i:nth-child(1){
  width:640px;height:640px;top:-16%;left:8%;
  background:radial-gradient(circle,rgba(127,212,255,.34),transparent 68%);
}
.aurora i:nth-child(2){
  width:560px;height:560px;top:6%;right:2%;
  background:radial-gradient(circle,rgba(155,140,255,.28),transparent 68%);
  animation-delay:-9s;animation-duration:32s;
}
.aurora i:nth-child(3){
  width:460px;height:460px;bottom:-14%;left:36%;
  background:radial-gradient(circle,rgba(232,217,184,.13),transparent 68%);
  animation-delay:-16s;animation-duration:38s;
}
.aurora--soft i{opacity:.34}

@keyframes drift{
  0%  {transform:translate3d(0,0,0) scale(1)}
  50% {transform:translate3d(60px,-40px,0) scale(1.12)}
  100%{transform:translate3d(-40px,50px,0) scale(.94)}
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero{position:relative;padding:130px 0 108px;overflow:hidden}
.hero__inner{position:relative}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--muted);font-size:12.5px;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;margin-bottom:30px;
  padding:7px 16px 7px 12px;border:1px solid var(--line);border-radius:100px;
  background:rgba(255,255,255,.02);backdrop-filter:blur(8px);
}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--ok);position:relative}
.pulse::after{
  content:"";position:absolute;inset:0;border-radius:50%;background:var(--ok);
  animation:ping 2.4s var(--ease-soft) infinite;
}
@keyframes ping{0%{transform:scale(1);opacity:.7}70%,100%{transform:scale(3.2);opacity:0}}

.hero__title{
  font-size:clamp(2.9rem,8.2vw,6.4rem);
  font-weight:600;letter-spacing:-.05em;line-height:1.02;margin-bottom:32px;
}
.hero__title em{
  background:linear-gradient(105deg,var(--ice) 10%,var(--violet) 55%,var(--champagne) 95%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:200% auto;animation:shimmer 9s linear infinite;
}
@keyframes shimmer{to{background-position:200% center}}

/* masked line-by-line rise */
.line{display:block;overflow:hidden;padding-bottom:.06em}
.up{
  display:block;transform:translateY(105%);
  animation:rise 1.05s var(--ease) forwards;
}
.up.d1{animation-delay:.11s}
.up.d2{animation-delay:.22s}
@keyframes rise{to{transform:translateY(0)}}

.lede{color:var(--muted);font-size:clamp(1.02rem,1.5vw,1.19rem);font-weight:350;max-width:60ch;margin-bottom:40px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:84px}

.stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:28px;list-style:none;margin:0;padding:36px 0 0;
  border-top:1px solid var(--line);
}
.stats strong{
  display:block;font-size:clamp(1.9rem,3.4vw,2.7rem);font-weight:500;
  letter-spacing:-.045em;font-variant-numeric:tabular-nums;
  background:linear-gradient(180deg,var(--text),var(--dim));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stats span{color:var(--dim);font-size:13px;letter-spacing:.03em}

.scrollcue{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);width:1px;height:56px;background:var(--line);overflow:hidden}
.scrollcue span{display:block;width:100%;height:40%;background:linear-gradient(180deg,transparent,var(--ice));animation:cue 2.6s var(--ease-soft) infinite}
@keyframes cue{0%{transform:translateY(-100%)}100%{transform:translateY(250%)}}

/* ==========================================================================
   Marquee
   ========================================================================== */

.marquee{
  border-block:1px solid var(--line);
  padding:22px 0;overflow:hidden;
  background:rgba(255,255,255,.012);
  -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;align-items:center;gap:44px;width:max-content;animation:slide 42s linear infinite}
.marquee__track span{
  color:var(--dim);font-size:14px;font-weight:450;
  letter-spacing:.16em;text-transform:uppercase;white-space:nowrap;
}
.marquee__track i{color:var(--ice);opacity:.5;font-style:normal;font-size:12px}
@keyframes slide{to{transform:translateX(-50%)}}

/* ==========================================================================
   Sections
   ========================================================================== */

.section{position:relative;padding:118px 0}
.section--alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section__head{max-width:640px;margin-bottom:64px}

.kicker{
  color:var(--ice);font-size:12px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;margin-bottom:20px;opacity:.85;
}
.section__title{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:600;margin-bottom:22px}
.section__sub{color:var(--muted);font-size:1.06rem;font-weight:350;max-width:56ch;margin-bottom:0}

/* ==========================================================================
   Product cards — spotlight follows the pointer
   ========================================================================== */

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}

.card{
  position:relative;isolation:isolate;
  display:flex;flex-direction:column;
  padding:30px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(10px);
  overflow:hidden;
  transition:border-color .45s var(--ease-soft),transform .45s var(--ease),background .45s var(--ease-soft);
}
.card::before{
  content:"";position:absolute;inset:0;z-index:-1;opacity:0;
  background:radial-gradient(360px circle at var(--mx,50%) var(--my,50%),rgba(127,212,255,.11),transparent 62%);
  transition:opacity .45s var(--ease-soft);
}
.card:hover{transform:translateY(-5px);border-color:var(--line-hi);background:var(--panel-hi)}
.card:hover::before{opacity:1}
.card--soft{background:transparent;border-style:dashed}

.card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.ico{
  display:grid;place-items:center;width:46px;height:46px;
  border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--ice);
  transition:transform .5s var(--ease),border-color .4s,color .4s;
}
.ico svg{width:21px;height:21px}
.card:hover .ico{transform:translateY(-2px) scale(1.06);border-color:var(--line-hi)}

.card h3{font-size:1.42rem;font-weight:600;margin-bottom:12px}
.card p{color:var(--muted);font-size:.96rem;font-weight:350;flex:1;margin-bottom:22px}

.card__link{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--ice);text-decoration:none;font-size:.89rem;font-weight:500;
  transition:gap .35s var(--ease);
}
.card__link span{transition:transform .35s var(--ease)}
.card:hover .card__link{gap:12px}

.badge{
  font-size:10.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  padding:6px 12px;border-radius:100px;
  background:rgba(255,255,255,.04);color:var(--dim);border:1px solid var(--line);
}
.badge--live{
  color:var(--ok);border-color:rgba(74,222,158,.28);background:rgba(74,222,158,.08);
}

/* ==========================================================================
   Intelligence section
   ========================================================================== */

.ai{overflow:hidden}
.orb{
  position:absolute;top:50%;left:50%;width:820px;height:820px;
  transform:translate(-50%,-50%);pointer-events:none;
  background:
    radial-gradient(circle,rgba(155,140,255,.11),transparent 58%),
    conic-gradient(from 0deg,transparent,rgba(127,212,255,.09),transparent 42%);
  border-radius:50%;filter:blur(46px);
  animation:spin 44s linear infinite;
}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

.ai__grid{position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:76px;align-items:start}
.ai .section__sub{margin-bottom:34px}

.feats{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.feat{
  display:flex;gap:22px;padding:26px 0;
  border-top:1px solid var(--line);
  transition:padding-left .45s var(--ease);
}
.feat:last-child{border-bottom:1px solid var(--line)}
.feat:hover{padding-left:10px}
.feat__n{
  color:var(--ice);font-size:12px;font-weight:500;letter-spacing:.14em;
  padding-top:5px;opacity:.7;font-variant-numeric:tabular-nums;
}
.feat h3{font-size:1.13rem;font-weight:550;margin-bottom:7px}
.feat p{color:var(--muted);font-size:.94rem;font-weight:350;margin:0}

/* ==========================================================================
   Approach
   ========================================================================== */

.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:44px 40px}
.cols h3{font-size:1.14rem;font-weight:550;margin-bottom:10px}
.cols h3::before{
  content:"";display:block;width:26px;height:2px;margin-bottom:16px;
  background:linear-gradient(90deg,var(--ice),transparent);
}
.cols p{color:var(--muted);font-size:.96rem;font-weight:350;margin:0}

/* ==========================================================================
   CTA + footer
   ========================================================================== */

.cta{position:relative;padding:140px 0;text-align:center;overflow:hidden}
.cta .wrap{position:relative}
.cta .kicker{display:block}
.cta__title{font-size:clamp(2.2rem,5.4vw,4rem);font-weight:600;margin-bottom:22px}
.cta__sub{color:var(--muted);font-size:1.08rem;font-weight:350;max-width:52ch;margin:0 auto 38px}
.cta__row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

.foot{background:var(--bg-alt);border-top:1px solid var(--line);padding:72px 0 0}
.foot__inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px}
.foot__brand{display:flex;gap:14px;align-items:flex-start}
.foot__logo{display:block;width:auto;height:52px;margin-bottom:16px}
.foot__brand p{color:var(--dim);font-size:.9rem;margin:6px 0 0;max-width:34ch}
.foot__links{display:flex;flex-direction:column;gap:11px}
.foot__links h4{
  font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--dim);margin:0 0 6px;
}
.foot__links a{color:var(--muted);text-decoration:none;font-size:.93rem;transition:color .25s,transform .25s var(--ease);display:inline-block}
.foot__links a:hover{color:var(--ice);transform:translateX(3px)}
.foot__legal{
  margin-top:56px;padding:24px 28px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}
.foot__legal p{color:var(--dim);font-size:.84rem;margin:0}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

.reveal{
  opacity:0;transform:translateY(26px);
  transition:opacity .95s var(--ease),transform .95s var(--ease);
  will-change:opacity,transform;
}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.09s}
.reveal.d2{transition-delay:.18s}
.reveal.d3{transition-delay:.27s}
.reveal.d4{transition-delay:.36s}
.reveal.d5{transition-delay:.45s}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width:1000px){
  .ai__grid{grid-template-columns:1fr;gap:52px}
}
@media (max-width:900px){
  .nav__links{gap:22px}
  .foot__inner{grid-template-columns:1fr 1fr}
  .foot__brand{grid-column:1 / -1}
}
@media (max-width:700px){
  .wrap{padding:0 20px}
  .brand__logo{height:42px}
  .nav.is-stuck .brand__logo{height:36px}
  .foot__logo{height:42px}
  .hero{padding:88px 0 76px}
  .section,.cta{padding:80px 0}
  .nav__links a:not(.btn){display:none}
  .cursor{display:none}
  .hero__cta{gap:11px}
  .hero__cta .btn{flex:1 1 100%}
  .stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .scrollcue{display:none}
  .card{padding:26px}
  .foot__legal{flex-direction:column}
}

/* ==========================================================================
   Reduced motion — kill everything ambient, keep the page fully usable
   ========================================================================== */

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .up{transform:none}
  .reveal{opacity:1;transform:none}
  .snow,.cursor,.orb,.grain{display:none}
  .marquee__track{animation:none}
}