*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;overflow-x:hidden;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:clamp(16px,1rem + .15vw,17.5px);line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg,canvas,video{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.ico{width:1.2em;height:1.2em;flex:0 0 auto}
.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--accent);
  color:#fff;padding:10px 16px;border-radius:8px;transition:top .2s}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--maxw,1140px);margin-inline:auto;
  padding-inline:clamp(18px,5vw,40px)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.85em 1.4em;border:1px solid transparent;border-radius:var(--btn-r,12px);
  font-weight:600;line-height:1;cursor:pointer;text-align:center;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
  will-change:transform}
.btn--sm{padding:.6em 1em;font-size:.92rem}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn .ico{width:1.05em;height:1.05em}

/* header */
.site{position:sticky;top:0;z-index:60;background:var(--header-bg);
  backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--header-line);transition:box-shadow .3s,background .3s,border-color .3s}
.site.is-scrolled{box-shadow:0 10px 40px -22px var(--shadow)}
.site__row{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:66px}
.brand{display:inline-flex;align-items:baseline;font-weight:800;letter-spacing:.01em;font-size:1.22rem}
.brand__mark{display:inline-flex;align-items:center;justify-content:center;color:var(--accent)}
.brand__word{color:var(--ink)}
.nav{display:flex;align-items:center;gap:clamp(6px,1.4vw,22px)}
.nav__link{position:relative;padding:.5em .2em;font-weight:500;color:var(--muted);
  transition:color .2s}
.nav__link::after{content:"";position:absolute;left:.2em;right:.2em;bottom:.15em;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav__link:hover,.nav__link.is-active{color:var(--ink)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.site__cta{display:flex;align-items:center;gap:12px}
.langswitch{display:inline-flex;align-items:center;justify-content:center;width:38px;height:34px;
  border:1px solid var(--line);border-radius:8px;font-size:.78rem;font-weight:700;color:var(--muted);
  letter-spacing:.04em;transition:color .2s,border-color .2s}
.langswitch:hover{color:var(--ink);border-color:var(--accent)}
.burger{display:none;width:42px;height:38px;border:1px solid var(--line);border-radius:10px;
  background:transparent;position:relative;cursor:pointer}
.burger span:not(.vh){position:absolute;left:9px;right:9px;height:2px;background:var(--ink);
  border-radius:2px;transition:transform .25s,opacity .2s}
.burger span:nth-child(1){top:12px}.burger span:nth-child(2){top:18px}.burger span:nth-child(3){top:24px}
.site[data-open] .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site[data-open] .burger span:nth-child(2){opacity:0}
.site[data-open] .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

@media (max-width:900px){
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;
    gap:2px;padding:14px clamp(18px,5vw,40px) 22px;background:var(--header-bg);
    border-bottom:1px solid var(--header-line);
    backdrop-filter:saturate(140%) blur(16px);-webkit-backdrop-filter:saturate(140%) blur(16px);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.28s ease;
    box-shadow:0 24px 50px -28px var(--shadow)}
  .site[data-open] .nav{transform:none;opacity:1;visibility:visible}
  .nav__link{padding:.85em .2em;font-size:1.05rem;border-bottom:1px solid var(--header-line)}
  .nav__link::after{display:none}
  .burger{display:block}
  .site__cta .btn{display:none}
}

/* sections */
.sec{padding:clamp(56px,8vw,108px) 0}
.sec--page-head{padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(20px,3vw,32px)}
.sec__head{max-width:min(640px,100%);margin-bottom:clamp(28px,4vw,52px)}
.eyebrow{display:inline-flex;align-items:center;gap:.55em;font-size:.8rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:1em}
.sec__title{font-size:clamp(1.7rem,1.1rem + 2.4vw,2.7rem);line-height:1.1;letter-spacing:-.02em;
  font-family:var(--display,var(--font))}
.sec__lead{margin-top:.8em;color:var(--muted);font-size:1.08rem;max-width:54ch}

/* generic grids */
.grid{display:grid;gap:clamp(14px,1.6vw,22px)}
.grid--cards{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.grid--proj{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.grid--posts{grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr))}
.grid--posts-2{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}

/* service card */
.card{position:relative;display:flex;flex-direction:column;gap:.55em;padding:clamp(20px,2.4vw,30px);
  background:var(--panel);border:1px solid var(--line);border-radius:var(--card-r,16px);
  color:var(--ink);overflow:hidden;transition:transform .28s ease,box-shadow .3s ease,border-color .3s ease}
.card__num{font-size:.78rem;font-weight:700;letter-spacing:.1em;color:var(--muted);opacity:.7}
.card__ico{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;
  border-radius:12px;color:var(--accent);background:var(--accent-soft);margin:.1em 0 .2em}
.card__ico .ico{width:24px;height:24px}
.card__h{font-size:1.2rem;letter-spacing:-.01em}
.card__p{color:var(--muted);font-size:.98rem}
.card__go{margin-top:auto;display:inline-flex;align-items:center;gap:.4em;font-weight:600;
  color:var(--accent);font-size:.92rem;padding-top:.6em}
.card__go .ico{transition:transform .25s}
.card:hover{transform:translateY(-4px);border-color:var(--accent)}
.card:hover .card__go .ico{transform:translateX(4px)}

/* process steps */
.steps{display:grid;gap:clamp(10px,1.4vw,16px);counter-reset:s}
@media(min-width:760px){.steps{grid-template-columns:repeat(5,1fr)}}
.step{display:flex;gap:14px;align-items:flex-start;padding:clamp(16px,2vw,22px);
  background:var(--panel);border:1px solid var(--line);border-radius:var(--card-r,16px)}
@media(min-width:760px){.step{flex-direction:column}}
.step__n{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;
  border-radius:50%;background:var(--accent);color:var(--on-accent,#fff);font-weight:700}
.step__h{font-size:1.05rem;margin-bottom:.25em}
.step__p{color:var(--muted);font-size:.92rem}

/* proof */
.proof{display:flex;flex-direction:column;gap:clamp(18px,2.4vw,28px)}
.proof__title{font-size:clamp(1.3rem,1rem + 1.4vw,1.9rem);font-family:var(--display,var(--font));letter-spacing:-.01em}
.proof__list{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr))}
.proof__item{display:flex;align-items:center;gap:.6em;padding:.9em 1.1em;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--card-r,14px);font-weight:600;font-size:.98rem}
.proof__dot{width:9px;height:9px;border-radius:50%;background:var(--accent);flex:none;box-shadow:0 0 0 4px var(--accent-soft)}

/* projects */
.proj{display:flex;flex-direction:column;gap:.6em;padding:clamp(22px,2.6vw,30px);
  background:var(--panel);border:1px solid var(--line);border-radius:var(--card-r,16px);
  transition:transform .28s,border-color .3s}
.proj:hover{transform:translateY(-4px);border-color:var(--accent)}
.proj__tag{align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);padding:.4em .8em;border-radius:999px}
.proj__h{font-size:1.22rem;letter-spacing:-.01em}
.proj__p{color:var(--muted);font-size:.97rem}

/* posts */
.post{display:flex;flex-direction:column;gap:.5em;padding:clamp(20px,2.4vw,28px);
  background:var(--panel);border:1px solid var(--line);border-radius:var(--card-r,16px);color:var(--ink);
  transition:transform .28s,border-color .3s}
.post:hover{transform:translateY(-4px);border-color:var(--accent)}
.post__kick{font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.post__h{font-size:1.2rem;letter-spacing:-.01em}
.post__p{color:var(--muted);font-size:.96rem}
.post__go{margin-top:auto;display:inline-flex;align-items:center;gap:.4em;font-weight:600;color:var(--accent);padding-top:.5em}
.post--mini{min-height:120px;justify-content:center}

/* faq */
.faq{display:grid;gap:clamp(20px,3vw,40px)}
@media(min-width:820px){.faq{grid-template-columns:.7fr 1fr;align-items:start}}
.faq__list{display:flex;flex-direction:column;gap:10px}
.faq__item{background:var(--panel);border:1px solid var(--line);border-radius:var(--card-r,14px);
  padding:2px 18px;overflow:hidden}
.faq__item summary{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:1.05em 0;font-weight:600;cursor:pointer;list-style:none}
.faq__item summary::-webkit-details-marker{display:none}
.faq__plus{position:relative;width:16px;height:16px;flex:none}
.faq__plus::before,.faq__plus::after{content:"";position:absolute;background:var(--accent);border-radius:2px;
  transition:transform .25s}
.faq__plus::before{left:0;right:0;top:7px;height:2px}
.faq__plus::after{top:0;bottom:0;left:7px;width:2px}
.faq__item[open] .faq__plus::after{transform:scaleY(0)}
.faq__item p{padding:0 0 1.1em;color:var(--muted)}

/* CTA band */
.band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:clamp(28px,4vw,48px);background:var(--band-bg);border:1px solid var(--band-line);
  border-radius:calc(var(--card-r,16px) + 6px);overflow:hidden;position:relative}
.band__h{font-size:clamp(1.4rem,1rem + 1.7vw,2.1rem);font-family:var(--display,var(--font));
  letter-spacing:-.01em;color:var(--band-ink,var(--ink));max-width:22ch}
.band__p{margin-top:.5em;color:var(--band-muted,var(--muted));max-width:42ch}
.band .hero__cta{margin-top:0}

/* page head + legal + article */
.page-head{max-width:min(760px,100%)}
.page-head__h1{font-size:clamp(2rem,1.3rem + 3vw,3.4rem);line-height:1.05;letter-spacing:-.025em;
  font-family:var(--display,var(--font));margin:.2em 0 .35em}
.page-head__lead{color:var(--muted);font-size:1.12rem;max-width:60ch}
.legal{display:grid;gap:22px;max-width:min(760px,100%)}
.legal__b h2{font-size:1.2rem;margin-bottom:.4em}
.legal__b p{color:var(--muted)}
.article{max-width:min(720px,100%)}
.back{display:inline-flex;align-items:center;gap:.5em;color:var(--muted);font-weight:600;font-size:.92rem;margin-bottom:1.4em}
.back .ico{transform:rotate(180deg)}
.back:hover{color:var(--accent)}
.article__h1{font-size:clamp(1.9rem,1.3rem + 2.6vw,3rem);line-height:1.08;letter-spacing:-.02em;
  font-family:var(--display,var(--font));margin:.2em 0 .5em}
.article__lead{font-size:1.18rem;color:var(--ink);margin-bottom:1.4em}
.article__body{display:grid;gap:1.1em;color:var(--muted);font-size:1.06rem}
.article__body p{max-width:68ch}

/* contact */
.contact{display:grid;gap:clamp(22px,3vw,40px)}
@media(min-width:860px){.contact{grid-template-columns:1.2fr .8fr;align-items:start}}
.form{display:grid;gap:16px;padding:clamp(22px,3vw,34px);background:var(--panel);
  border:1px solid var(--line);border-radius:calc(var(--card-r,16px) + 4px)}
.field{display:grid;gap:.4em}
.field label{font-weight:600;font-size:.92rem}
.field input,.field textarea{width:100%;padding:.8em 1em;background:var(--input-bg);color:var(--ink);
  border:1px solid var(--line);border-radius:var(--btn-r,10px);font:inherit;transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.form__note{font-size:.86rem;color:var(--muted)}
.form__note.is-sent{color:var(--accent);font-weight:600}
.contact__side{padding:clamp(22px,3vw,34px);background:var(--accent-soft);border:1px solid var(--line);
  border-radius:calc(var(--card-r,16px) + 4px)}
.contact__side h2{font-size:1.3rem;margin-bottom:.4em}
.contact__list{display:grid;gap:.6em;margin:1.1em 0}
.contact__list li{display:flex;align-items:center;gap:.6em;color:var(--ink);font-size:.96rem}
.contact__list .ico{color:var(--accent)}
.contact__confirm{font-size:.84rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1em}

/* hero shared bits */
.hero{position:relative;overflow:hidden}
.hero__copy,.hero__stage,.hero__inner,.hero__grid>*{min-width:0}
.hero__h1,.sec__title,.page-head__h1,.article__h1,.proof__title,.band__h{overflow-wrap:break-word}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6em}
.hero__proof{display:flex;flex-wrap:wrap;gap:.5em 1.4em;margin-top:1.8em}
.hero__proof li{display:inline-flex;align-items:center;gap:.5em;color:var(--muted);font-size:.92rem;font-weight:500}
.hero__proof .ico{color:var(--accent);width:1.05em;height:1.05em}

/* footer */
.foot{background:var(--foot-bg);border-top:1px solid var(--line);color:var(--foot-ink,var(--ink))}
.foot__grid{display:grid;gap:clamp(26px,4vw,48px);padding:clamp(44px,6vw,72px) 0 clamp(28px,3vw,40px)}
@media(min-width:780px){.foot__grid{grid-template-columns:1.4fr .8fr 1fr}}
.foot__tag{color:var(--muted);margin-top:1em;max-width:36ch}
.foot__note{color:var(--muted);opacity:.8;font-size:.84rem;margin-top:1em;max-width:40ch}
.foot__h{font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:1em}
.foot__nav ul{display:grid;gap:.6em}
.foot__nav a{color:var(--foot-ink,var(--ink));opacity:.85}
.foot__nav a:hover{opacity:1;color:var(--accent)}
.foot__cta p{color:var(--muted);margin-bottom:1.2em;max-width:34ch}
.foot__bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:18px 0 28px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.foot__demo{opacity:.8}
.brand--foot{font-size:1.3rem}
.brand__logo{height:44px;width:auto;display:block}
.brand--head{align-items:center}
.brand__logo--head{height:34px}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);
  transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);
  transition-delay:calc(var(--i,0)*55ms)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .btn:hover,.card:hover,.proj:hover,.post:hover{transform:none}
  *{animation-duration:.001ms!important;animation-iteration-count:1!important}
}


:root{
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --maxw:1160px;
  --bg:#f3f7ff;--panel:#ffffff;--ink:#0b1430;--muted:#56638a;--line:#dde7fb;
  --accent:#2563eb;--accent-2:#06b6d4;--accent-soft:#e7efff;--on-accent:#fff;
  --header-bg:rgba(247,250,255,.78);--header-line:#dde7fb;--shadow:rgba(20,40,90,.45);
  --band-bg:linear-gradient(120deg,#0b1430,#15306b 60%,#0e2a66);--band-line:transparent;
  --band-ink:#fff;--band-muted:#bcccf2;
  --foot-bg:#f7faff;--foot-ink:#0b1430;--input-bg:#fbfdff;--btn-r:999px;--card-r:20px;
}
body{background:
  radial-gradient(1100px 620px at 82% -8%,#dbe7ff 0,transparent 60%),
  radial-gradient(900px 560px at -6% 8%,#e4f7ff 0,transparent 55%),var(--bg)}
.brand__mark{filter:drop-shadow(0 2px 6px rgba(37,99,235,.35))}
.btn--primary{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;
  box-shadow:0 12px 30px -12px rgba(37,99,235,.6)}
.btn--primary:hover{box-shadow:0 18px 40px -14px rgba(37,99,235,.7)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:0 6px 18px -12px var(--shadow)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}

.hero--aurora{position:relative;display:flex;flex-direction:column;justify-content:center;
  min-height:calc(100vh - 66px);min-height:calc(100svh - 66px);
  padding:clamp(56px,8vh,110px) 0 clamp(76px,9vh,120px)}
.hero--aurora .hero__grid{width:100%}
.hero__scroll{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:inline-flex;
  flex-direction:column;align-items:center;gap:9px;color:var(--muted);font-size:.68rem;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;z-index:2}
.hero__scroll:hover{color:var(--accent)}
.hero__scroll i{width:16px;height:16px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(45deg);animation:c4pl-bob 1.8s ease-in-out infinite}
@keyframes c4pl-bob{0%,100%{transform:rotate(45deg) translate(-2px,-2px)}50%{transform:rotate(45deg) translate(3px,3px)}}
@media (prefers-reduced-motion:reduce){.hero__scroll i{animation:none}}
@media (max-width:560px){.hero__scroll{display:none}}
.aurora{position:absolute;inset:0;z-index:0;filter:blur(60px);opacity:.85;pointer-events:none}
.blob{position:absolute;width:46vw;max-width:620px;aspect-ratio:1;border-radius:50%;mix-blend-mode:multiply;
  animation:drift 22s ease-in-out infinite}
.b1{top:-8%;left:-4%;background:radial-gradient(circle,#7aa6ff,transparent 66%)}
.b2{top:6%;right:-6%;background:radial-gradient(circle,#67e8f9,transparent 66%);animation-delay:-7s}
.b3{bottom:-22%;left:32%;background:radial-gradient(circle,#2a4fd0,transparent 66%);animation-delay:-13s}
@keyframes drift{0%,100%{transform:translate3d(0,0,0) scale(1)}
  33%{transform:translate3d(3%,4%,0) scale(1.08)}66%{transform:translate3d(-3%,-2%,0) scale(.96)}}
.hero__grid{position:relative;z-index:1;display:grid;gap:clamp(30px,4vw,56px);align-items:center}
@media(min-width:920px){.hero__grid{grid-template-columns:1.05fr .95fr}}
.hero--aurora .hero__h1{font-size:clamp(2.6rem,1.5rem + 5.4vw,4.8rem);line-height:1.02;letter-spacing:-.035em;
  background:linear-gradient(120deg,#0b1430 12%,#2563eb 60%,#06b6d4);-webkit-background-clip:text;
  background-clip:text;color:transparent;padding-bottom:.04em}
.hero--aurora .hero__lead{font-size:clamp(1.05rem,1rem + .5vw,1.3rem);color:var(--muted);margin-top:.9em;max-width:36ch}
.hero__stage{position:relative;perspective:1200px}
.glasscard{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:22px;max-width:100%;
  background:linear-gradient(150deg,rgba(255,255,255,.82),rgba(255,255,255,.55));
  border:1px solid rgba(255,255,255,.85);border-radius:26px;
  box-shadow:0 40px 90px -40px rgba(20,40,90,.55),inset 0 1px 0 rgba(255,255,255,.9);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transform-style:preserve-3d;
  transition:transform .3s ease}
.glasscard>*{min-width:0}
.float{display:flex;align-items:center;gap:.5em;min-width:0;padding:.85em .9em;background:rgba(255,255,255,.78);
  border:1px solid var(--line);border-radius:14px;font-weight:600;font-size:.86rem;color:var(--ink);
  overflow-wrap:anywhere;box-shadow:0 14px 30px -22px var(--shadow)}
.float__ico{display:inline-flex;color:var(--accent)}.float__ico .ico{width:20px;height:20px}
.card{box-shadow:0 24px 50px -38px var(--shadow)}
.card__ico{box-shadow:inset 0 0 0 1px rgba(37,99,235,.12)}
.band{box-shadow:0 40px 90px -50px rgba(20,40,90,.8)}
.band::after{content:"";position:absolute;width:340px;height:340px;right:-90px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(103,232,249,.5),transparent 65%);pointer-events:none}