/* ===========================================================
   webchita — «ИНЖЕНЕРНАЯ СТУДИЯ» (строгий деловой стиль)
   Собрано по premium-landing-builder: 4 токена, анти-шаблон.

   ТОКЕНЫ
   Color  : холодная бумага + графит + ОДИН чернильно-синий акцент (без градиентов)
   Type   : Onest (display) · Manrope (body) · JetBrains Mono (индексы/числа/метки)
   Layout : левое выравнивание, нумерация секций 01/02…, плоские панели, тонкая сетка
   Signature: живые часы Читы (UTC+9) — моно, тикают в шапке и герое
   =========================================================== */
:root{
  /* чёрно-белый корпоративный минимализм (по мотиву awg.ru) */
  --bg:#FFFFFF;
  --bg-2:#F3F3F1;
  --surface:#FFFFFF;
  --ink:#0A0A0A;
  --ink-2:#161616;
  --muted:#6E6E6E;
  --line:rgba(0,0,0,.12);
  --line-2:rgba(0,0,0,.22);
  /* акцент = хвойно-бирюзовый: холодная забайкальская хвоя, тех-точность (не синий) */
  --accent:#0F766E;
  --accent-ink:#115E56;
  --accent-wash:rgba(15,118,110,.08);
  /* тёмные контраст-блоки — графит с бирюзовым подтоном (не чистый чёрный) */
  --band:#0C201E;
  --band-2:#12302D;
  /* золотистый «маяк» пульсирующей точки-signature */
  --gold:#E8A317;
  --radius:14px;
  --radius-sm:8px;
  --maxw:1200px;
  --disp:"Onest",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;overflow-x:clip}
body{
  font-family:"Manrope",system-ui,sans-serif;
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  background:var(--bg);
}
a{color:inherit;text-decoration:none}
section{position:relative;z-index:1}

/* ===== ИНДИКАТОР ПРОКРУТКИ ===== */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:100;
  background:linear-gradient(90deg,#5eead4,var(--accent));
  box-shadow:0 0 12px rgba(20,184,166,.6);
  transition:width .1s linear;
}

/* ===== АМБИЕНТНЫЙ ФОН: тонкая сетка + бирюзовые свечения ===== */
.ambient{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.ambient__grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(15,118,110,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,118,110,.05) 1px, transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(120% 80% at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image:radial-gradient(120% 80% at 50% 0%, #000 0%, transparent 70%);
}
.ambient__orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.ambient__orb--1{top:-140px;right:-120px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(20,184,166,.22),transparent 68%);
  animation:orbFloat 16s ease-in-out infinite}
.ambient__orb--2{top:52%;left:-160px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(232,163,23,.10),transparent 68%);
  animation:orbFloat 20s ease-in-out infinite reverse}
@keyframes orbFloat{
  0%,100%{transform:translate(0,0)}
  50%{transform:translate(40px,50px)}
}
.bg-grid,.bg-glow{display:none}

/* ===== ШАПКА ===== */
.header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:22px;
  max-width:var(--maxw);margin:0 auto;padding:16px 24px;
  transition:background .25s,box-shadow .25s,border-color .25s,padding .25s;
  border-bottom:1px solid transparent;
}
.logo{margin-right:auto}
.header.scrolled{
  background:rgba(255,255,255,.85);backdrop-filter:blur(10px);
  padding-top:11px;padding-bottom:11px;
  border-bottom:1px solid var(--line);
}
.logo{display:flex;align-items:center;font-weight:800;letter-spacing:-.2px}
.logo__mark{margin-right:11px;display:inline-flex;align-items:center}
.logo__mark svg{display:block;width:34px;height:34px}
.logo__col{display:flex;flex-direction:column;line-height:1}
.logo__text{font-family:var(--disp);font-size:1.4rem;line-height:1;letter-spacing:-.5px}
.logo__text b{font-weight:800;color:var(--accent)}

/* живые часы Читы в шапке (signature) */
.header__clock{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;
  color:var(--muted);text-transform:uppercase;display:flex;align-items:center;gap:8px;
  white-space:nowrap;
}
.header__clock .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 0 rgba(232,163,23,.5);animation:pulse 2.4s ease-out infinite}
.header__clock b{color:var(--ink);font-weight:600}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(232,163,23,.5)}
  70%{box-shadow:0 0 0 6px rgba(232,163,23,0)}
  100%{box-shadow:0 0 0 0 rgba(232,163,23,0)}
}

.nav{display:flex;align-items:center;gap:10px}
.nav a{color:var(--muted);font-weight:600;font-size:.82rem;
  text-transform:uppercase;letter-spacing:.08em}
/* пункты меню — чипы с бирюзовым тонированным фоном */
.nav a:not(.nav__cta){
  border:1px solid rgba(15,118,110,.32);padding:8px 14px;border-radius:8px;
  background:rgba(15,118,110,.12);color:var(--accent);
  transition:color .18s,border-color .18s,background .18s;
}
.nav a:not(.nav__cta):hover{color:#fff;border-color:var(--accent);background:var(--accent)}
.nav__cta{
  color:var(--ink);border:1px solid var(--line-2);
  padding:9px 18px;border-radius:8px;transition:border-color .18s,background .18s,color .18s;
}
.nav__cta:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-wash)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ===== КНОПКИ ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:8px;font-weight:700;font-size:.9rem;
  letter-spacing:.01em;cursor:pointer;border:1px solid transparent;
  transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s;
}
.btn--primary{background:linear-gradient(120deg,#14b8a6,var(--accent));color:#fff;
  box-shadow:0 4px 0 0 var(--accent-ink),0 10px 26px -10px rgba(20,184,166,.6),inset 0 1px 0 rgba(255,255,255,.25);
  transform:translateY(0)}
.btn--primary:hover{transform:translateY(-2px);
  box-shadow:0 6px 0 0 var(--accent-ink),0 18px 34px -10px rgba(20,184,166,.7),inset 0 1px 0 rgba(255,255,255,.3)}
.btn--primary:active{transform:translateY(2px);
  box-shadow:0 1px 0 0 var(--accent-ink),0 8px 18px -10px rgba(20,184,166,.5),inset 0 1px 0 rgba(255,255,255,.2)}
.btn--ghost{background:var(--surface);border-color:var(--line-2);color:var(--ink);
  box-shadow:0 3px 0 0 var(--line-2);transform:translateY(0)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);box-shadow:0 5px 0 0 var(--line-2)}
.btn--ghost:active{transform:translateY(2px);box-shadow:0 1px 0 0 var(--line-2)}
.btn--full{width:100%}
@media (prefers-reduced-motion: reduce){
  .btn--primary,.btn--ghost{transition:background .18s,border-color .18s,color .18s}
  .btn--primary:hover,.btn--primary:active,.btn--ghost:hover,.btn--ghost:active{transform:none}
}

/* ===== СЕКЦИИ ===== */
.section{max-width:var(--maxw);margin:0 auto;padding:96px 24px}
.section__head{max-width:720px;margin:0 0 46px}
/* нумерованный индекс секции + акцентная засечка (Layout) */
.eyebrow{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block}
.section__head h2{
  font-family:var(--disp);font-weight:800;letter-spacing:-1px;line-height:1.08;
  font-size:clamp(1.7rem,4vw,2.7rem);margin-bottom:14px;color:var(--ink);
}
.section__lead{color:var(--muted);font-size:1.02rem;max-width:620px}

/* ===== ПЛОСКАЯ ПАНЕЛЬ (общая) ===== */
.card,.work,.step,.adv,.faq__item,.contact{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
}

/* ===== КАРТОЧКИ УСЛУГ ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;padding:30px 26px;display:flex;flex-direction:column;overflow:hidden;
  transition:border-color .2s,box-shadow .2s,transform .2s;
  box-shadow:0 2px 6px rgba(10,10,10,.04),0 16px 34px -16px rgba(15,118,110,.20)}
/* spotlight — радиальный блик следует за курсором (--mx/--my из JS) */
.card::before{content:"";position:absolute;inset:0;z-index:0;opacity:0;pointer-events:none;
  transition:opacity .3s;border-radius:inherit;
  background:radial-gradient(300px circle at var(--mx,50%) var(--my,0%),rgba(20,184,166,.14),transparent 60%)}
.card:hover::before{opacity:1}
.card>*{position:relative;z-index:1}
.card:hover{transform:translateY(-4px);border-color:var(--line-2);
  box-shadow:0 4px 10px rgba(10,10,10,.05),0 24px 48px -18px rgba(15,118,110,.30)}
.card--featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset,0 18px 40px -18px rgba(15,118,110,.4)}
.card--featured::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:linear-gradient(90deg,#5eead4,var(--accent),#5eead4)}
.card__tag{position:absolute;z-index:3;top:-1px;right:22px;background:var(--accent);color:#fff;
  font-family:var(--mono);font-size:.66rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:0 0 6px 6px}
.card__icon{width:48px;height:48px;margin-bottom:20px;display:flex;align-items:center;justify-content:center;
  border-radius:9px;border:1px solid var(--line-2);background:var(--bg-2)}
.card__icon svg{width:25px;height:25px;stroke:var(--accent);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-family:var(--disp);font-weight:700;font-size:1.2rem;letter-spacing:-.4px;margin-bottom:10px;color:var(--ink)}
.card__desc{color:var(--muted);font-size:.95rem;margin-bottom:20px}
.card__list{list-style:none;margin-bottom:24px;display:flex;flex-direction:column;gap:11px}
.card__list li{position:relative;padding-left:26px;font-size:.93rem;color:var(--ink-2)}
.card__list li::before{content:"";position:absolute;left:2px;top:7px;width:11px;height:6px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.card__price{font-family:var(--mono);font-size:.9rem;color:var(--muted);margin-bottom:20px;margin-top:auto}
.card__price b{font-family:var(--disp);font-size:1.7rem;color:var(--ink);font-weight:800;letter-spacing:-.5px}
.card__price span{font-size:.85rem}

/* ===== ПОРТФОЛИО ===== */
.works{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.work{overflow:hidden;transition:border-color .2s,box-shadow .2s,transform .2s}
.work:hover{transform:translateY(-6px) rotate(-1.2deg);border-color:var(--line-2);
  box-shadow:0 6px 14px rgba(10,10,10,.05),0 26px 52px -18px rgba(15,118,110,.34)}
.work__thumb{height:200px;position:relative;overflow:hidden;background:var(--bg-2)}
.work__thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.2,1),filter .4s;filter:saturate(.92)}
.work:hover .work__thumb img{transform:scale(1.07);filter:saturate(1.05)}
/* градиентная вуаль снизу + чип «Открыть» */
.work__thumb::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(8,18,16,.5));opacity:0;transition:opacity .35s}
.work:hover .work__thumb::before{opacity:1}
.work__thumb::after{content:"Открыть →";position:absolute;z-index:2;left:16px;bottom:16px;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:#eafffb;background:rgba(15,118,110,.85);border:1px solid rgba(94,234,212,.4);
  padding:7px 12px;border-radius:100px;backdrop-filter:blur(4px);
  opacity:0;transform:translateY(8px);transition:opacity .35s,transform .35s}
.work:hover .work__thumb::after{opacity:1;transform:none}
/* браузерный «хром» поверх превью — эффект окна продукта */
.work__thumb .chrome{position:absolute;z-index:3;top:0;left:0;right:0;height:30px;
  display:flex;align-items:center;gap:6px;padding:0 12px;
  background:linear-gradient(180deg,rgba(10,22,20,.92),rgba(10,22,20,.72));
  border-bottom:1px solid rgba(94,234,212,.18);backdrop-filter:blur(4px)}
.work__thumb .chrome i{width:8px;height:8px;border-radius:50%;background:#3a5450;flex:none}
.work__thumb .chrome i:nth-child(1){background:#ff5f57}
.work__thumb .chrome i:nth-child(2){background:#febc2e}
.work__thumb .chrome i:nth-child(3){background:#28c840}
.work__thumb .chrome em{margin-left:8px;font-family:var(--mono);font-style:normal;
  font-size:.66rem;letter-spacing:.06em;color:rgba(200,224,218,.7);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* приложение — «телефон»: строка статуса вместо точек */
.work__thumb .chrome--app{justify-content:center}
.work__thumb .chrome--app i{width:5px;height:5px;background:rgba(200,224,218,.5)!important}
/* картинка начинается под хромом (top переопределяет inset:0) */
.work__thumb img{top:30px}
.work__body{padding:22px 24px}
.work__body h3{font-family:var(--disp);font-weight:700;font-size:1.1rem;letter-spacing:-.4px;margin-bottom:8px;color:var(--ink)}
.work__body p{color:var(--muted);font-size:.92rem;margin-bottom:14px}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tags span{font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;padding:5px 10px;
  border:1px solid var(--line);border-radius:6px;color:var(--muted)}

/* ===== ЭТАПЫ (timeline) ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
/* соединительная линия между шагами (desktop) */
.steps::before{content:"";position:absolute;top:48px;left:10%;right:10%;height:2px;z-index:0;
  background:repeating-linear-gradient(90deg,rgba(15,118,110,.4) 0 8px,transparent 8px 16px)}
.step{position:relative;z-index:1;padding:28px 24px;
  transition:border-color .2s,box-shadow .2s,transform .2s,background .2s;
  background:var(--surface);border-color:rgba(15,118,110,.28);
  box-shadow:0 2px 8px rgba(10,10,10,.03),0 14px 34px -16px rgba(15,118,110,.26)}
.step:hover{transform:translateY(-4px);border-color:rgba(15,118,110,.5);
  box-shadow:0 4px 12px rgba(10,10,10,.04),0 22px 46px -16px rgba(15,118,110,.36)}
.step__num{display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  font-family:var(--mono);font-size:.95rem;font-weight:600;color:#fff;letter-spacing:.02em;
  background:linear-gradient(135deg,#14b8a6,var(--accent));
  box-shadow:0 8px 18px -6px rgba(15,118,110,.6);
  margin-bottom:16px}
.step h3{font-family:var(--disp);font-weight:700;font-size:1.06rem;letter-spacing:-.4px;margin-bottom:8px;color:var(--ink)}
.step p{color:var(--muted);font-size:.92rem}

/* ===== ПОЧЕМУ СО МНОЙ ===== */
.advantages{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv{position:relative;padding:26px 22px;transition:border-color .2s,box-shadow .2s,transform .2s}
.adv:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 14px 34px rgba(15,21,34,.08)}
.adv__icon{width:44px;height:44px;margin-bottom:18px;display:flex;align-items:center;justify-content:center;
  border-radius:9px;border:1px solid var(--line-2);background:var(--bg-2)}
.adv__icon svg{width:23px;height:23px;stroke:var(--accent);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.adv h3{font-family:var(--disp);font-weight:700;font-size:1.02rem;letter-spacing:-.4px;margin-bottom:8px;color:var(--ink)}
.adv p{color:var(--muted);font-size:.9rem}

/* ===== FAQ ===== */
.faq{max-width:820px;display:flex;flex-direction:column;gap:12px}
.faq__item{overflow:hidden;transition:border-color .2s}
.faq__item.open{border-color:var(--accent)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;cursor:pointer;text-align:left;color:var(--ink);
  font-family:var(--disp);font-size:1.02rem;font-weight:700;letter-spacing:-.2px;padding:20px 22px;
}
.faq__q:hover{color:var(--accent)}
.faq__ic{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .3s}
.faq__ic::before,.faq__ic::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;
  background:var(--accent);border-radius:2px;transform:translate(-50%,-50%)}
.faq__ic::after{transform:translate(-50%,-50%) rotate(90deg);transition:opacity .3s}
.faq__item.open .faq__ic::after{opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq__a p{color:var(--muted);font-size:.95rem;padding:0 22px 20px}

/* ===== CTA-ПОЛОСА (тёмный графитовый блок — один сильный акцент) ===== */
.cta__band{
  max-width:var(--maxw);margin:0 auto;
  padding:60px 44px;border-radius:var(--radius);
  background:var(--band);color:#fff;
  display:flex;flex-direction:column;align-items:flex-start;
}
.cta__band h2{font-family:var(--disp);font-size:clamp(1.6rem,3.6vw,2.4rem);font-weight:800;letter-spacing:-1px;margin-bottom:14px;color:#fff}
.cta__band p{color:rgba(255,255,255,.72);max-width:580px;margin-bottom:28px;font-size:1.02rem}
.cta__band .btn--primary{background:#fff;color:var(--ink)}
.cta__band .btn--primary:hover{background:#e6e6e6;box-shadow:0 10px 24px rgba(0,0,0,.35)}

/* ===== ТЁМНАЯ ГРАФИТОВАЯ СЕКЦИЯ (контраст-ритм) ===== */
.section--dark{background:var(--band);border-radius:var(--radius);color:#fff;padding:76px 44px}
.section--dark .section__head h2{color:#fff}
.section--dark .eyebrow{color:rgba(255,255,255,.7)}
.section--dark .eyebrow::before{background:rgba(255,255,255,.7)}
.section--dark .section__lead{color:rgba(255,255,255,.66)}
.section--dark .adv{background:var(--band-2);border-color:rgba(255,255,255,.10)}
.section--dark .adv:hover{border-color:rgba(255,255,255,.28);box-shadow:0 16px 36px rgba(0,0,0,.4)}
.section--dark .adv__icon{background:none;border:0;border-radius:0;
  width:auto;height:auto;margin-bottom:14px;justify-content:flex-start}
.section--dark .adv__icon svg{width:30px;height:30px;stroke:#fff;stroke-width:1.6}
.section--dark .adv h3{color:#fff}
.section--dark .adv p{color:rgba(255,255,255,.62)}

/* ===== КОНТАКТ + ФОРМА ===== */
.section--contact{padding-top:60px}
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start;padding:44px}
.contact__info .eyebrow{margin-bottom:16px}
.contact__info h2{font-family:var(--disp);font-weight:800;letter-spacing:-1px;font-size:clamp(1.7rem,3.5vw,2.4rem);margin-bottom:14px;color:var(--ink)}
.contact__links{list-style:none;margin-top:28px;display:flex;flex-direction:column;gap:6px}
.contact__links a{color:var(--ink);font-size:1rem;transition:color .18s,border-color .18s;
  display:inline-flex;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);width:100%}
.contact__links a:hover{color:var(--accent)}
/* строгие моно-значки: убираем цветные бренд-заливки в graysc­ale */
.brandic{flex:none;display:block;filter:grayscale(1) contrast(.9) brightness(.55)}
.contact__links a:hover .brandic,.footer__links a:hover .brandic{filter:none}
/* margin вместо flex gap — работает и в старом iOS Safari */
.contact__links .brandic{margin-right:14px}
.footer__links .brandic{margin-right:10px}

.form{display:flex;flex-direction:column;gap:16px}
.field{position:relative}
.field input,.field textarea,.field select{
  width:100%;background:var(--surface);border:1px solid var(--line-2);border-radius:8px;
  padding:15px 16px;color:var(--ink);font-family:inherit;font-size:1rem;transition:border-color .18s,box-shadow .18s;
}
.field textarea{resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash)}
.field label{
  position:absolute;left:14px;top:15px;color:var(--muted);pointer-events:none;
  transition:.16s;background:var(--surface);padding:0 6px;
}
.field input:focus+label,.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label{
  top:-9px;font-size:.76rem;color:var(--accent)}
.field select{appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6473' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center}
.form__note{font-family:var(--mono);font-size:.85rem;text-align:left;min-height:20px}
.form__note.ok{color:#12805a}
.form__note.err{color:#c62f28}

/* ===== ФУТЕР ===== */
.footer{
  max-width:var(--maxw);margin:0 auto;padding:40px 24px;
  border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
}
.footer p{color:var(--muted);font-size:.86rem}
.footer a{color:var(--accent)}
.footer a:hover{text-decoration:underline}
.footer__links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.88rem}
.footer__links a{white-space:nowrap;display:inline-flex;align-items:center;color:var(--muted);transition:color .18s}
.footer__links a:hover{color:var(--ink)}

/* ===== СТЕК И ИНСТРУМЕНТЫ ===== */
.stack{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tech{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;
  gap:6px;padding:26px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .2s,border-color .2s,box-shadow .2s;
  box-shadow:0 2px 6px rgba(10,10,10,.03)}
.tech:hover{transform:translateY(-4px);border-color:rgba(15,118,110,.45);
  box-shadow:0 16px 34px -18px rgba(15,118,110,.4)}
.tech__ic{
  position:relative;width:48px;height:48px;margin-bottom:10px;display:flex;align-items:center;justify-content:center;
  border-radius:13px;background:linear-gradient(160deg,#17b5a4,var(--accent-ink));
  transform:perspective(600px) rotateX(6deg);
  box-shadow:
    inset 0 1.5px 1.5px rgba(255,255,255,.5),
    inset 0 -7px 10px rgba(0,0,0,.3),
    0 10px 18px -9px rgba(15,118,110,.65),
    0 2px 5px rgba(10,10,10,.08);
  transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s cubic-bezier(.22,1,.36,1)}
.tech__ic::before{content:'';position:absolute;inset:0;border-radius:inherit;
  background:radial-gradient(circle at 30% 24%,rgba(255,255,255,.55),transparent 55%);pointer-events:none}
.tech:hover .tech__ic{transform:perspective(600px) rotateX(10deg) translateY(-3px) scale(1.06);
  box-shadow:
    inset 0 1.5px 1.5px rgba(255,255,255,.55),
    inset 0 -7px 10px rgba(0,0,0,.32),
    0 16px 26px -10px rgba(15,118,110,.75),
    0 3px 6px rgba(10,10,10,.1)}
.tech__ic svg{position:relative;width:23px;height:23px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
  filter:drop-shadow(0 1.5px 2px rgba(0,0,0,.35))}
@media (prefers-reduced-motion: reduce){
  .tech__ic,.tech:hover .tech__ic{transition:none;transform:none}
}
.tech b{font-family:var(--disp);font-weight:700;font-size:.98rem;letter-spacing:-.2px;color:var(--ink)}
.tech span{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* ===== ОТЗЫВЫ ===== */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{position:relative;display:flex;flex-direction:column;gap:16px;padding:30px 26px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .2s,border-color .2s,box-shadow .2s;
  box-shadow:0 2px 6px rgba(10,10,10,.03),0 16px 34px -18px rgba(15,118,110,.18)}
.review:hover{transform:translateY(-4px);border-color:var(--line-2);
  box-shadow:0 4px 10px rgba(10,10,10,.05),0 24px 48px -18px rgba(15,118,110,.28)}
.review::before{content:"\201C";position:absolute;top:8px;right:20px;
  font-family:var(--disp);font-size:4.4rem;line-height:1;color:var(--accent-wash);pointer-events:none}
.review__stars{color:var(--gold);letter-spacing:3px;font-size:1rem}
.review blockquote{margin:0;color:var(--ink-2);font-size:1rem;line-height:1.6;flex:1}
.review figcaption{display:flex;align-items:center;gap:12px;margin-top:4px;
  padding-top:16px;border-top:1px solid var(--line)}
.review__ava{width:42px;height:42px;flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--disp);font-weight:800;color:#fff;font-size:1.05rem;
  background:linear-gradient(135deg,#14b8a6,var(--accent));box-shadow:0 8px 18px -8px rgba(15,118,110,.6)}
.review__who{display:flex;flex-direction:column;line-height:1.3}
.review__who b{font-family:var(--disp);font-weight:700;font-size:.95rem;color:var(--ink)}
.review__who em{font-family:var(--mono);font-style:normal;font-size:.72rem;letter-spacing:.04em;color:var(--muted)}

/* ===== АНИМИРОВАННАЯ ЧЕРТА ПОД ЗАГОЛОВКАМИ (signature-акцент) ===== */
.section__head h2{position:relative;padding-bottom:14px}
.section__head h2::after{content:"";position:absolute;left:0;bottom:0;width:54px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,#5eead4,var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .6s .15s cubic-bezier(.2,.7,.2,1)}
.section__head.in h2::after{transform:scaleX(1)}
.section--dark .section__head h2::after{background:linear-gradient(90deg,#5eead4,#2dd4bf)}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .55s cubic-bezier(.2,.7,.2,1),transform .55s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== АДАПТИВ ===== */
@media(max-width:960px){
  .header__clock{display:none}
  .cards,.steps{grid-template-columns:1fr 1fr}
  .steps::before{display:none}
  .advantages,.stack{grid-template-columns:repeat(2,1fr)}
  .reviews{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr;padding:34px}
}
@media(max-width:720px){
  .nav{position:fixed;inset:0 0 auto auto;top:64px;right:16px;flex-direction:column;align-items:stretch;
    background:var(--surface);border:1px solid var(--line-2);border-radius:10px;padding:16px;gap:10px;
    width:min(210px,calc(100vw - 32px));box-shadow:0 20px 50px rgba(15,21,34,.14);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s}
  .nav.open{opacity:1;visibility:visible;transform:none}
  .burger{display:flex}
  .burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.active span:nth-child(2){opacity:0}
  .burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .cards,.steps,.works,.advantages,.reviews{grid-template-columns:1fr}
  .section{padding:64px 22px}
  .cta__band{margin-left:16px;margin-right:16px;padding:40px 26px}
  .section--dark{margin-left:16px;margin-right:16px;padding:52px 26px}
}
@media(max-width:520px){
  .section{padding:56px 20px}
  .cta__band{padding:34px 22px}
  .faq__q{font-size:.96rem;padding:18px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}