/* ---------- tokens ---------- */
:root{
  --bg:#fbfbfc;
  --bg-soft:#f4f5f7;
  --surface:#ffffff;
  --ink:#0b0b0d;
  --ink-2:#3c3c43;
  --muted:#8b8b93;
  --line:#e7e7ec;
  --line-2:#efeff3;

  --blue:#4285f4;
  --red:#ea4335;
  --yellow:#f9ab00;
  --green:#34a853;

  --maxw:1200px;
  --gutter:clamp(20px,5vw,48px);
  --radius:20px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-2:cubic-bezier(.16,1,.3,1);

  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --display:"Montserrat","Inter",sans-serif;

  --shadow-sm:0 1px 2px rgba(16,17,20,.06);
  --shadow-md:0 12px 30px -12px rgba(16,17,20,.18);
  --shadow-lg:0 40px 80px -32px rgba(16,17,20,.35);

  --glass:rgba(255,255,255,.72);
  --nav-bg:rgba(251,251,252,.78);
}

[data-theme="dark"]{
  --bg:#0a0b0f;
  --bg-soft:#0f1117;
  --surface:#12141b;
  --ink:#f1f2f4;
  --ink-2:#b7bac2;
  --muted:#7e8390;
  --line:#242835;
  --line-2:#181c26;
  --glass:rgba(20,22,28,.72);
  --nav-bg:rgba(10,11,15,.78);
  --shadow-sm:0 1px 2px rgba(0,0,0,.5);
  --shadow-md:0 14px 34px -14px rgba(0,0,0,.65);
  --shadow-lg:0 40px 90px -34px rgba(0,0,0,.85);
}

/* animated theme switch */
.theme-anim,.theme-anim *,.theme-anim *::before,.theme-anim *::after{
  transition:background-color .55s var(--ease),color .55s var(--ease),border-color .55s var(--ease),fill .55s var(--ease),stroke .55s var(--ease),box-shadow .55s var(--ease) !important;
}
body{transition:background-color .55s var(--ease),color .55s var(--ease)}
[data-theme="dark"] .grain{mix-blend-mode:screen;opacity:.3}

*,*::before,*::after{box-sizing:border-box}
html{margin:0;padding:0;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,p{margin:0}
::selection{background:#d2e3fc;color:#0b0b0d}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.grain{
  position:fixed;inset:0;z-index:999;pointer-events:none;opacity:.5;mix-blend-mode:multiply;
  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='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
}

.c-blue{color:var(--blue)}.c-red{color:var(--red)}.c-yellow{color:var(--yellow)}.c-green{color:var(--green)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important}
}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;padding:0 var(--gutter);
  transition:background .4s var(--ease),box-shadow .4s var(--ease),height .4s var(--ease);
}
.nav.is-stuck{
  height:60px;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);box-shadow:0 1px 0 var(--line),0 8px 24px -20px rgba(0,0,0,.25);
}
.nav__logo{font-family:var(--display);font-weight:800;font-size:21px;letter-spacing:-.6px;line-height:1}
.nav__logo--lg{font-size:30px}
.nav__links{display:flex;gap:30px}
.nav__links a{font-size:14px;font-weight:500;color:var(--ink-2);position:relative;padding:4px 0}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:var(--ink);transition:right .4s var(--ease-2)}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{right:0}
.nav__right{display:flex;align-items:center;gap:12px}

.theme-toggle{
  position:relative;width:42px;height:42px;flex:none;border-radius:50%;
  border:1px solid var(--line);background:var(--glass);color:var(--ink);
  display:grid;place-items:center;overflow:hidden;
  transition:transform .45s var(--ease),background .3s,border-color .3s,box-shadow .4s var(--ease);
}
.theme-toggle:hover{transform:translateY(-1px) rotate(-18deg);box-shadow:var(--shadow-sm)}
.theme-toggle:active{transform:scale(.94)}
.theme-toggle svg{position:absolute;transition:transform .55s var(--ease-2),opacity .4s var(--ease)}
.t-sun{transform:translateY(0) rotate(0);opacity:1}
.t-moon{transform:translateY(150%) rotate(40deg);opacity:0}
[data-theme="dark"] .t-sun{transform:translateY(-150%) rotate(-40deg);opacity:0}
[data-theme="dark"] .t-moon{transform:translateY(0) rotate(0);opacity:1}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;border:1px solid transparent;border-radius:100px;
  font-size:14px;font-weight:600;letter-spacing:.1px;padding:11px 20px;white-space:nowrap;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,border-color .3s,color .3s;
}
.btn svg{transition:transform .35s var(--ease)}
.btn:active{transform:scale(.97)}
.btn--primary{background:var(--ink);color:var(--bg)}
.btn--primary:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.btn--primary:hover svg{transform:translateX(2px)}
.btn--line{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--line:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn--ghost{background:var(--glass);border-color:var(--line);color:var(--ink);backdrop-filter:blur(8px)}
.btn--ghost:hover{background:var(--surface);box-shadow:var(--shadow-sm);transform:translateY(-1px)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:120px 0 90px;overflow:clip}
.hero__glow{position:absolute;inset:0;z-index:0;filter:blur(70px);opacity:.5;pointer-events:none}
.blob{position:absolute;border-radius:50%;width:34vw;height:34vw;min-width:280px;min-height:280px;animation:float 16s var(--ease) infinite alternate}
.blob--blue{background:rgba(66,133,244,.32);top:-6%;left:6%}
.blob--red{background:rgba(234,67,53,.2);top:34%;right:2%;animation-delay:-4s}
.blob--yellow{background:rgba(249,171,0,.22);bottom:-8%;left:26%;animation-delay:-8s}
.blob--green{background:rgba(52,168,83,.2);top:8%;right:26%;animation-delay:-12s}
@keyframes float{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(3%,-4%,0) scale(1.12)}}

.hero__inner{
  position:relative;z-index:1;width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter);
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.hero__title{font-family:var(--display);font-weight:800;font-size:clamp(48px,7.5vw,110px);line-height:.95;letter-spacing:-.04em;margin:20px 0 0}
.hero__title span{display:block}
.hero__title i{font-style:normal}
.hero__lead{max-width:46ch;color:var(--ink-2);font-size:clamp(16px,1.5vw,19px);margin-top:26px;line-height:1.6}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.hero__stats{display:flex;gap:44px;margin:48px 0 0;padding:26px 0 0;border-top:1px solid var(--line)}
.hero__stats dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:6px}
.hero__stats dd{margin:0;font-family:var(--display);font-weight:800;font-size:34px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}

.hero__art{position:relative;justify-self:end;width:min(100%,460px)}
.art{position:relative;border-radius:var(--radius);overflow:hidden;background:#0a63d6;box-shadow:var(--shadow-lg);will-change:transform}
.art img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;transition:transform 1.2s var(--ease)}
.art:hover img{transform:scale(1.03)}
.art__tag{
  position:absolute;left:16px;bottom:16px;font-family:var(--display);font-weight:700;font-size:12px;
  letter-spacing:.06em;text-transform:uppercase;color:#111;background:rgba(255,255,255,.92);
  padding:6px 12px;border-radius:100px;backdrop-filter:blur(6px);
}
.art__shadow{position:absolute;inset:auto 8% -6% 8%;height:40px;border-radius:50%;background:radial-gradient(closest-side,rgba(16,17,20,.28),transparent);filter:blur(14px);z-index:-1}

.hero__scroll{
  position:absolute;left:50%;bottom:30px;transform:translateX(-50%);z-index:1;
  display:grid;place-items:center;width:48px;height:48px;border-radius:50%;
  border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(8px);
  color:var(--ink);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.hero__scroll:hover{transform:translateX(-50%) translateY(-3px);box-shadow:var(--shadow-md);border-color:transparent}
.hero__arrow{animation:arrowDown 1.8s var(--ease) infinite}
@keyframes arrowDown{0%,100%{transform:translateY(-3px)}50%{transform:translateY(4px)}}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--line);background:var(--surface);padding:22px 0}
.marquee__track{display:flex;align-items:center;width:max-content;animation:marquee 40s linear infinite;will-change:transform}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__group{display:flex;align-items:center;gap:34px;padding-right:34px;flex:none}
.marquee span{font-family:var(--display);font-weight:700;font-size:clamp(22px,3vw,34px);letter-spacing:-.02em;white-space:nowrap;color:var(--ink)}
.marquee .dot{width:8px;height:8px;border-radius:50%;background:var(--yellow);flex:none}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
.section{padding:clamp(72px,10vw,140px) 0}
.section__head{margin-bottom:56px}
.section__head.center{text-align:center;display:flex;flex-direction:column;align-items:center}
.display{font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:1.02;font-size:clamp(34px,5vw,62px);margin-top:16px;max-width:16ch}
.section__head.center .display{max-width:20ch}

/* about */
.section--about{border-bottom:1px solid var(--line-2)}
.about__body{max-width:74ch}
.about__lead{font-size:clamp(20px,2.4vw,30px);line-height:1.42;letter-spacing:-.01em;color:var(--ink)}
.about__lead b{font-weight:700}
.about__text{margin-top:22px;font-size:clamp(16px,1.7vw,19px);line-height:1.7;color:var(--ink-2);max-width:62ch}
.specs{
  list-style:none;margin:clamp(40px,6vw,64px) 0 0;padding:0;display:grid;
  grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.6vw,20px);
}
.spec{
  display:flex;flex-direction:column;gap:7px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .4s;
}
.spec:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.spec__icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:14px}
.spec__icon--blue{background:rgba(66,133,244,.13);color:var(--blue)}
.spec__icon--red{background:rgba(234,67,53,.13);color:var(--red)}
.spec__icon--yellow{background:rgba(249,171,0,.16);color:var(--yellow)}
.spec__icon--green{background:rgba(52,168,83,.13);color:var(--green)}
.spec__label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-weight:600}
.spec__value{font-size:clamp(15px,1.5vw,17px);font-weight:600;color:var(--ink);line-height:1.35}

/* services */
.services__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.services__head .section__head{margin:0}
.services{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.svc{border-bottom:1px solid var(--line)}
.svc__head{
  width:100%;background:transparent;border:0;display:grid;
  grid-template-columns:64px 1fr auto;align-items:center;gap:22px;
  padding:24px 8px;text-align:left;position:relative;
  transition:padding-left .5s var(--ease);
}
.svc__head::before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:var(--ink);opacity:.035;transition:width .5s var(--ease)}
.svc__head:hover{padding-left:22px}
.svc__head:hover::before{width:100%}
.svc__num{font-family:var(--display);font-weight:700;font-size:15px;color:var(--muted);font-variant-numeric:tabular-nums;transition:color .3s}
.svc__title{font-size:clamp(18px,2vw,24px);font-weight:600;letter-spacing:-.01em}
.svc__plus{position:relative;width:22px;height:22px;flex:none}
.svc__plus::before,.svc__plus::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .45s var(--ease),opacity .3s}
.svc__plus::before{left:0;right:0;top:10px;height:2px}
.svc__plus::after{top:0;bottom:0;left:10px;width:2px}
.svc.is-open .svc__plus::after{transform:scaleY(0);opacity:0}
.svc__head:hover .svc__num,.svc.is-open .svc__num{color:var(--ink)}
.svc__body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s var(--ease)}
.svc.is-open .svc__body{grid-template-rows:1fr}
.svc__body>div{overflow:hidden}
.svc__body p{color:var(--ink-2);font-size:16px;line-height:1.65;max-width:64ch;padding:0 8px 26px 94px;opacity:0;transform:translateY(-6px);transition:opacity .5s var(--ease) .05s,transform .5s var(--ease) .05s}
.svc.is-open .svc__body p{opacity:1;transform:none}

/* search panel */
.section--search{padding-top:0}
.searchpanel{max-width:760px;margin-inline:auto;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,4vw,40px);box-shadow:var(--shadow-md)}
.searchpanel__bar{display:flex;align-items:center;gap:14px;height:60px;padding:0 22px;border-radius:100px;border:1px solid var(--line);background:var(--bg);color:var(--muted);box-shadow:inset 0 1px 2px rgba(16,17,20,.04)}
.searchpanel__bar svg{flex:none}
.searchpanel__q{font-size:18px;color:var(--ink);font-weight:500;min-height:1em}
.caret{width:2px;height:22px;background:var(--ink);display:inline-block;animation:caret 1s steps(1,end) infinite}
@keyframes caret{0%,49%{opacity:1}50%,100%{opacity:0}}
.searchpanel__list{list-style:none;margin:18px 0 0;padding:0}
.searchpanel__list li{display:flex;justify-content:space-between;gap:20px;align-items:baseline;padding:14px 22px;border-radius:14px;transition:background .3s var(--ease)}
.searchpanel__list li:hover{background:var(--bg-soft)}
.searchpanel__list span{font-size:16px;color:var(--ink)}
.searchpanel__list small{font-size:13px;color:var(--muted)}
.searchpanel__cap{margin-top:22px;text-align:center;font-size:15px;color:var(--muted);font-style:italic}

/* cards */
.section--principles{background:var(--bg-soft);border-block:1px solid var(--line-2)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,30px)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .4s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.card__idx{font-family:var(--display);font-weight:700;font-size:13px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.card h3{font-family:var(--display);font-weight:700;font-size:23px;letter-spacing:-.02em;margin:16px 0 10px}
.card p{color:var(--ink-2);font-size:15px;line-height:1.6}
.card--link{display:flex;flex-direction:column}
.card__go{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink-2);margin-top:auto;padding-top:22px}
.card__go svg{transition:transform .4s var(--ease)}
.card--link:hover .card__go svg{transform:translateX(4px)}

/* contact */
.contact{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.contact__card{display:flex;flex-direction:column;gap:22px;justify-content:space-between;border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-height:140px;background:var(--surface);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .4s}
.contact__card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#dcdce2}
.contact__name{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:600}
.contact__handle{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.02em}

/* footer */
.footer{border-top:1px solid var(--line);background:var(--surface);padding:56px 0 40px}
.footer__inner{display:grid;grid-template-columns:1.4fr 1fr auto;gap:32px;align-items:start}
.footer__brand p{margin-top:14px;color:var(--muted);font-size:14px}
.footer__links{display:flex;flex-direction:column;gap:12px}
.footer__links a{font-size:14px;color:var(--ink-2);width:max-content;transition:color .3s}
.footer__links a:hover{color:var(--ink)}
.footer__copy{font-size:13px;color:var(--muted);text-align:right;align-self:end}
.footer__credit{grid-column:1/-1;margin-top:30px;padding-top:20px;border-top:1px solid var(--line-2);font-size:13px;color:var(--muted)}
.footer__credit a{color:var(--ink-2);border-bottom:1px solid var(--line);transition:color .3s,border-color .3s}
.footer__credit a:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero__inner{grid-template-columns:1fr;gap:44px}
  .hero__art{justify-self:start;width:min(100%,420px);order:-1}
  .specs{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr 1fr}
  .contact{grid-template-columns:1fr 1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
  .footer__copy{grid-column:1/-1;text-align:left}
}
@media (max-width:720px){
  .nav__links{display:none}
  .nav__right .btn{font-size:0;gap:0;padding:11px 14px}
  .hero{padding-top:104px}
  .hero__stats{gap:28px;flex-wrap:wrap}
  .hero__stats dd{font-size:28px}
  .services__head{flex-direction:column;align-items:flex-start;gap:20px}
  .svc__head{grid-template-columns:40px 1fr auto;gap:14px;padding:20px 4px}
  .svc__body p{padding:0 4px 22px 54px}
  .cards,.contact,.footer__inner{grid-template-columns:1fr}
  .specs{grid-template-columns:1fr}
}