/* ======================================================================
   Arwin APP LLC - base design system
   Один файл на весь сайт: подключается как static/css/arwin.css
   ====================================================================== */

:root{
  --ink:#1b1340;
  --violet:#2d1b5e;
  --violet-2:#4a2580;
  --violet-3:#6b2fae;
  --magenta:#a33cb5;
  --yellow:#ffd43b;
  --yellow-2:#ffb020;
  --bg:#ffffff;
  --bg-soft:#f6f4fb;
  --text:#2a2440;
  --muted:#6a6383;
  --line:rgba(27,19,64,.12);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(45,27,94,.10);
  --shadow-lg:0 24px 60px rgba(45,27,94,.18);
  --head-h:64px;
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:clamp(15px,.4vw + 14px,17px);
  line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{line-height:1.15;margin:0;color:var(--ink);font-weight:800}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}

/* ---------- layout ---------- */
.wrap{width:min(100% - 2rem,var(--maxw));margin-inline:auto}
.section{padding:clamp(3rem,7vw,6rem) 0}
.section--soft{background:var(--bg-soft)}
.section__head{max-width:64ch;margin-bottom:clamp(1.75rem,4vw,3rem)}
.section__head--center{text-align:center;margin-inline:auto}
.section__title{font-size:clamp(1.7rem,3.4vw,2.6rem);letter-spacing:-.02em}
.eyebrow{
  display:inline-block;margin-bottom:.75rem;
  font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--magenta);
}
.lead{color:var(--muted);font-size:clamp(1rem,1.2vw + .7rem,1.15rem);margin-top:.9rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.6rem;border:2px solid transparent;border-radius:999px;
  font-weight:700;font-size:.95rem;letter-spacing:.01em;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:linear-gradient(135deg,var(--yellow),var(--yellow-2));color:var(--ink);box-shadow:0 8px 24px rgba(255,176,32,.35)}
.btn--primary:hover{box-shadow:0 12px 30px rgba(255,176,32,.45);transform:translateY(-2px)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--outline{border-color:var(--violet-3);color:var(--violet-3)}
.btn--outline:hover{background:var(--violet-3);color:#fff;transform:translateY(-2px)}
.btn--block{width:100%}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(90deg,var(--violet) 0%,var(--violet-2) 55%,var(--magenta) 130%);
  color:#fff;
}
.header__bar{
  min-height:var(--head-h);
  display:flex;align-items:center;gap:1rem;
  width:min(100% - 2rem,var(--maxw));margin-inline:auto;
}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:.95rem;color:#fff;flex:1 1 auto}
.brand img{width:36px;height:36px;border-radius:50%;flex:none}
.brand span{white-space:nowrap}

.nav{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav__list{display:flex;align-items:center;gap:.15rem;list-style:none;margin:0;padding:0}
.nav__link{
  display:block;padding:.55rem .7rem;border-radius:10px;
  font-size:.82rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;
  color:rgba(255,255,255,.88);transition:background .18s ease,color .18s ease;
}
.nav__link:hover{background:rgba(255,255,255,.14);color:#fff}
.nav__link.is-active{color:var(--yellow)}

/* language */
.lang{position:relative}
.lang__btn{
  display:flex;align-items:center;gap:.35rem;
  background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:999px;
  padding:.45rem .8rem;font-size:.8rem;font-weight:700;
}
.lang__btn::after{content:"";width:0;height:0;border:4px solid transparent;border-top-color:currentColor;margin-top:3px}
.lang__menu{
  position:absolute;right:0;top:calc(100% + .5rem);min-width:240px;
  background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);
  padding:.4rem;display:none;
}
.lang.is-open .lang__menu{display:block}
.lang__item{
  display:flex;align-items:center;gap:.6rem;padding:.55rem .7rem;border-radius:8px;
  font-size:.85rem;color:var(--text);
}
.lang__item:hover{background:var(--bg-soft)}
.lang__item img{width:18px;height:13px;border-radius:2px}

/* burger */
.burger{
  display:none;width:44px;height:44px;flex:none;
  background:rgba(255,255,255,.12);border:0;border-radius:12px;padding:0;place-items:center;
}
.burger span{position:relative;display:block;width:20px;height:2px;background:#fff;border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .22s ease,top .22s ease}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.nav-open .burger span{background:transparent}
.nav-open .burger span::before{top:0;transform:rotate(45deg)}
.nav-open .burger span::after{top:0;transform:rotate(-45deg)}

@media (max-width:1040px){
  .burger{display:grid}
  .nav{
    position:fixed;inset:var(--head-h) 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--violet);padding:1rem;
    max-height:calc(100dvh - var(--head-h));overflow:auto;
    transform:translateY(-120%);transition:transform .28s ease;
    box-shadow:var(--shadow-lg);
  }
  .nav-open .nav{transform:translateY(0)}
  .nav__list{flex-direction:column;align-items:stretch;gap:.1rem}
  .nav__link{padding:.85rem .6rem;font-size:.95rem;border-bottom:1px solid rgba(255,255,255,.1)}
  .lang{margin-top:.8rem}
  .lang__btn{width:100%;justify-content:center}
  .lang__menu{position:static;margin-top:.5rem;width:100%}
}
@media (max-width:430px){
  .brand span{font-size:.78rem;white-space:normal;line-height:1.25}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(2.5rem,6vw,5rem) 0 clamp(3rem,7vw,5.5rem)}
.hero::before{
  content:"";position:absolute;z-index:0;right:-14%;top:-26%;pointer-events:none;
  width:min(72vw,760px);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgba(255,212,59,.5),rgba(163,60,181,.2) 55%,transparent 72%);
}
.hero .wrap{position:relative;z-index:1}
.hero__grid{display:grid;gap:clamp(2rem,5vw,3.5rem);align-items:center;grid-template-columns:1fr}
@media (min-width:900px){.hero__grid{grid-template-columns:1.05fr .95fr}}
.hero__title{
  font-size:clamp(2.4rem,8.5vw,5rem);font-style:italic;font-weight:900;
  letter-spacing:-.02em;line-height:.95;text-transform:uppercase;
}
.hero__title span{
  display:block;
  background:linear-gradient(100deg,var(--violet-3),var(--violet) 60%,var(--ink));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__title .is-indent{font-size:.6em;margin-top:.18em}
@media (min-width:900px){.hero__title .is-indent{margin-left:1.2em}}
.hero__actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:clamp(1.5rem,3vw,2.25rem)}
.hero__call{display:flex;align-items:center;gap:.9rem;margin-top:1.5rem;flex-wrap:wrap}
.hero__phone{font-size:clamp(1.1rem,2vw,1.3rem);font-weight:800;color:var(--ink)}
.hero__calllink{color:var(--magenta);font-weight:600;font-size:.9rem;border-bottom:1px dashed currentColor}
.hero__art{justify-self:center;max-width:560px;width:100%}

/* ---------- page hero (шапка внутренних страниц) ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,var(--violet) 0%,var(--violet-2) 55%,var(--magenta) 125%);
  padding:clamp(2.5rem,6vw,4.5rem) 0;
}
.page-hero::after{
  content:"";position:absolute;right:-8%;top:-60%;width:min(60vw,560px);aspect-ratio:1;
  border-radius:50%;background:radial-gradient(circle at 40% 40%,rgba(255,212,59,.3),transparent 65%);
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{
  color:#fff;font-size:clamp(1.9rem,4.5vw,3.1rem);letter-spacing:-.02em;
}
.page-hero .eyebrow{color:var(--yellow)}
.page-hero p{color:rgba(255,255,255,.88);max-width:62ch;margin-top:1rem}

/* ---------- текстовый блок с картинкой ---------- */
.split{display:grid;gap:clamp(1.75rem,4vw,3.5rem);align-items:center;grid-template-columns:1fr}
@media (min-width:900px){
  .split{grid-template-columns:1.15fr .85fr}
  .split--flip .split__media{order:-1}
}
.split__body p{color:var(--muted)}
.split__body p.is-strong{color:var(--ink);font-weight:600}
.split__body ul{margin:0 0 1em;padding-left:1.25rem;color:var(--muted)}
.split__body li{margin-bottom:.4rem}
.split__media img{width:100%;border-radius:var(--radius)}
.split__media--plain img{border-radius:0;box-shadow:none}

/* ---------- карточки услуг ---------- */
.cards{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr))}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.75rem 1.6rem;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card__title{
  font-size:1.05rem;text-transform:uppercase;letter-spacing:.04em;
  margin-bottom:1.1rem;padding-bottom:.9rem;border-bottom:2px solid var(--yellow);
}
.card__list{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.card__list li{position:relative;padding-left:1.5rem;font-size:.93rem;color:var(--muted);line-height:1.5}
.card__list li::before{
  content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--violet-3),var(--magenta));
}
.card__note{
  margin-top:1.1rem;padding-top:1rem;border-top:1px dashed var(--line);
  font-size:.85rem;color:var(--violet-3);font-weight:600;
}
.card--media{display:grid;place-items:center;background:transparent;border:0;box-shadow:none;padding:0}
.card--media:hover{transform:none;box-shadow:none}

/* ---------- логотипы партнёров ---------- */
.logos{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));align-items:center}
.logos__item{
  display:grid;place-items:center;padding:1.5rem;min-height:150px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
}
.logos__item img{max-height:92px;width:auto;object-fit:contain}

/* ---------- галерея скриншотов ---------- */
.shots{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));margin-top:1.25rem}
.shots img{width:100%;border-radius:var(--radius-sm);box-shadow:var(--shadow)}
.shots__note{font-size:.9rem;color:var(--muted);margin-top:1.25rem}

/* ---------- контактные карточки ---------- */
.contact-cards{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.75rem;box-shadow:var(--shadow);text-align:center;
}
.contact-card__icon{
  width:56px;height:56px;margin:0 auto 1.1rem;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--violet-3),var(--magenta));
}
.contact-card__icon img{width:26px;height:auto;filter:brightness(0) invert(1)}
.contact-card h2{font-size:1.15rem;margin-bottom:.75rem}
.contact-card p{color:var(--muted);font-size:.95rem}
.contact-card__value{
  display:inline-block;margin-top:1rem;font-size:1.15rem;font-weight:800;color:var(--violet-3);
}
.contact-card__value:hover{color:var(--magenta)}

/* ---------- stages ---------- */
.stages{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,215px),1fr))}
.stage{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.4rem 1.4rem;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.stage:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stage__num{
  position:absolute;right:.9rem;top:.2rem;
  font-size:3.4rem;font-weight:900;font-style:italic;line-height:1;
  color:rgba(107,47,174,.10);
}
.stage__dot{
  width:38px;height:38px;border-radius:50%;margin-bottom:.9rem;
  display:grid;place-items:center;font-weight:800;font-size:.95rem;color:#fff;
  background:linear-gradient(135deg,var(--violet-3),var(--magenta));
}
.stage p{font-size:.95rem;color:var(--muted);position:relative}

/* ---------- projects ---------- */
.project{display:grid;gap:clamp(1.5rem,4vw,3rem);align-items:center;grid-template-columns:1fr}
.project + .project{margin-top:clamp(2.5rem,6vw,4.5rem)}
@media (min-width:900px){
  .project{grid-template-columns:1fr 1fr}
  .project--flip .project__media{order:-1}
}
.project__media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%}
.project__title{font-size:clamp(1.35rem,2.4vw,1.9rem);margin-bottom:1rem}
.project__body p{color:var(--muted)}
.project__body p.is-strong{color:var(--ink);font-weight:600}

/* ---------- cta band ---------- */
.cta{
  background:linear-gradient(120deg,var(--violet) 0%,var(--violet-2) 50%,var(--magenta) 115%);
  color:#fff;border-radius:var(--radius);
  padding:clamp(2rem,5vw,3.25rem);
  display:grid;gap:1.5rem;align-items:center;
}
@media (min-width:860px){.cta{grid-template-columns:1.3fr auto}}
.cta h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem)}
.cta p{color:rgba(255,255,255,.85);margin-top:.6rem}
.cta__actions{display:flex;flex-wrap:wrap;gap:.75rem}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.82);padding:clamp(2.5rem,5vw,3.5rem) 0 1.5rem;margin-top:clamp(3rem,6vw,5rem)}
.footer__grid{display:grid;gap:2rem;grid-template-columns:1fr}
@media (min-width:720px){.footer__grid{grid-template-columns:1.4fr 1fr 1.2fr}}
.footer h3{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1rem;font-weight:700}
.footer__item{display:flex;gap:.7rem;align-items:flex-start;margin-bottom:.9rem;font-size:.92rem;line-height:1.5}
.footer__item svg,.footer__item img{flex:none;margin-top:.15rem;opacity:.9}
.footer a:hover{color:var(--yellow)}
.footer__links{display:grid;gap:.55rem;font-size:.92rem}
.footer__cta p{margin-bottom:.35rem;font-size:.95rem}
.footer__cta .btn{margin-top:1rem}
.footer__bottom{
  margin-top:2.5rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;justify-content:space-between;
  font-size:.82rem;color:rgba(255,255,255,.55);
}

/* ---------- modal form ---------- */
.modal{
  position:fixed;inset:0;z-index:100;display:none;
  align-items:center;justify-content:center;padding:1rem;
  background:rgba(20,13,45,.6);
}
.modal.is-open{display:flex}
.modal__box{
  position:relative;width:min(100%,460px);max-height:92dvh;overflow:auto;
  background:#fff;border-radius:var(--radius);padding:clamp(1.5rem,4vw,2.25rem);
  box-shadow:var(--shadow-lg);
}
.modal__close{
  position:absolute;right:.75rem;top:.75rem;width:36px;height:36px;
  display:grid;place-items:center;border:0;border-radius:50%;
  background:var(--bg-soft);color:var(--ink);font-size:1.2rem;line-height:1;
}
.modal__close:hover{background:#ece7f7}
.modal__title{font-size:1.2rem;margin-bottom:1.25rem;padding-right:2rem}
.field{margin-bottom:.85rem}
.field input,.field textarea{
  width:100%;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font:inherit;font-size:.95rem;color:var(--text);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--violet-3);box-shadow:0 0 0 3px rgba(107,47,174,.14)}
.form__note{font-size:.78rem;color:var(--muted);margin:.5rem 0 1.1rem;line-height:1.5}

/* ---------- reveal (только при живом JS: без него контент виден сразу) ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}