:root{
  --bg:#0b1220;
  --text:#111827;
  --muted:#64748b;
  --card:#ffffff;
  --line:rgba(15,23,42,.08);
  --soft:#f0f4ff;
  --accent:#dc2626;
  --accent2:#ef4444;
  --blue:#2563eb;
  --blue2:#3b82f6;
  --brand-gradient:linear-gradient(135deg,var(--accent),var(--blue));
  --brand-gradient-soft:linear-gradient(135deg,rgba(220,38,38,.14),rgba(37,99,235,.12));
  --brand-border-soft:linear-gradient(135deg,rgba(220,38,38,.30),rgba(37,99,235,.30));
  --brand-border-strong:linear-gradient(135deg,rgba(220,38,38,.44),rgba(37,99,235,.44));
  --teal:#0d9488;
  --teal2:#14b8a6;
  --gold:#f59e0b;

  --radius-sm:12px;
  --radius-md:16px;
  --radius-lg:18px;
  --shadow-1:0 10px 24px rgba(15,23,42,.04);
  --shadow-2:0 16px 34px rgba(15,23,42,.08);
  --shadow-glow:0 8px 30px rgba(37,99,235,.12);
  --ring:0 0 0 3px rgba(220,38,38,.18);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

*{box-sizing:border-box}
img{max-width:100%;height:auto;display:block;}
html,body{
  margin:0;
  padding:0;
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  color:var(--text);
  background:
    repeating-linear-gradient(0deg, rgba(15,23,42,.026) 0 1px, transparent 1px 124px),
    repeating-linear-gradient(90deg, rgba(15,23,42,.026) 0 1px, transparent 1px 124px),
    #ffffff;
  background-attachment: fixed;
  line-height:1.55;
  font-size:15px;
  font-weight:400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-kerning: normal;
  -webkit-tap-highlight-color: rgba(220,38,38,.15);
  -webkit-text-size-adjust: 100%;
}
body{
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
html{scroll-behavior:smooth}
a{color:inherit;-webkit-tap-highlight-color: rgba(220,38,38,.2);}
b, strong{font-weight:inherit}
.text-strong{font-weight:600}
.link, a{ text-underline-offset:3px; }
.cards-3 .card-link,
.cards-3 .card-link:hover,
.cards-3 .card-link:visited {
  text-decoration: none !important;
}
.link:hover, a:hover{ text-decoration-thickness: 2px; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:none;
  box-shadow: var(--ring);
}
.container{max-width:1400px;margin:0 auto;padding:0 24px}

.header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:50;transition:box-shadow .3s ease}
.header__row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand__logo{width:32px;height:32px}
.brand__name{font-weight:600;letter-spacing:.2px}
.brand__name--accent{
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: all .2s ease;
  display: inline-block;
}
.brand__name--hidden{display:none}
.brand--wide{flex-shrink:0;width:237px;display:flex;align-items:center;gap:10px;margin-left:10px}
.brand--wide .brand__logo{
  width:100%;
  height:auto;
  max-height:153px;
  margin-right:0;
  object-fit:contain;
  object-position:left center;
}
.nav{display:flex;flex:1;justify-content:center;gap:6px;flex-wrap:nowrap}
.nav__link{font-size:14px;font-weight:500;text-decoration:none;color:#1f2a44;padding:8px 14px;border-radius:10px;transition:all .25s ease;position:relative;white-space:nowrap}
.nav__link:hover{background:var(--soft);color:var(--blue)}
.nav__link::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%) scaleX(0);width:60%;height:2px;background:linear-gradient(90deg,var(--accent),var(--blue));border-radius:2px;transition:transform .25s ease}
.nav__link:hover::after{transform:translateX(-50%) scaleX(1)}
.header__cta{display:flex;align-items:center;gap:12px}
.phone{text-decoration:none;font-weight:500;font-size:14px}
.phone-block{display:flex;flex-direction:column;line-height:1.15}
.phone-sub{font-size:12px;color:var(--muted);margin-top:3px;white-space:nowrap;align-self:center;text-align:center;transform:translateX(6px);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 14px;border-radius:12px;border:1px solid var(--line);text-decoration:none;
  font-weight:600;font-size:14px;cursor:pointer;background:#fff;transition:transform .18s ease, box-shadow .18s ease, filter .18s ease}
.btn--primary{background:var(--brand-gradient);color:#fff;border:0;box-shadow:0 10px 28px rgba(37,99,235,.26);position:relative;overflow:hidden}
.btn--primary::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);transform:translateX(-100%);transition:transform .5s ease}
.btn--primary:hover::before{transform:translateX(100%)}
.btn--ghost{background:#fff}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:hover{filter:saturate(1.08) brightness(1.15);box-shadow:0 12px 32px rgba(220,38,38,.45)}
.btn:active{transform:translateY(0)}

.hero{
  background:radial-gradient(900px 500px at 15% 20%, rgba(220,38,38,.18), transparent 60%),
             radial-gradient(820px 460px at 82% 12%, rgba(37,99,235,.14), transparent 62%),
             radial-gradient(900px 500px at 80% 10%, rgba(239,68,68,.12), transparent 60%),
             radial-gradient(600px 400px at 50% 80%, rgba(220,38,38,.08), transparent 50%),
             linear-gradient(135deg, #2b0a0a 0%, #1a0505 50%, #2b0a0a 100%);
  color:#fff; padding:48px 0 36px;
  position:relative;overflow:hidden
}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(239,68,68,.10),transparent 70%);animation:float 8s ease-in-out infinite;pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(220,38,38,.12),transparent 70%);animation:float 10s ease-in-out infinite reverse;pointer-events:none}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:14px}
.hero .breadcrumbs{color:rgba(255,255,255,.72)}
.sep{opacity:.6;margin:0 6px}
.link{color:inherit}
.hero__grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;align-items:start}
.h1{font-size:clamp(30px, 4.0vw, 48px);line-height:1.08;margin:0 0 14px;font-weight:700;letter-spacing:-.4px}
.lead{font-size:16px;line-height:1.55;margin:0 0 16px;color:rgba(255,255,255,.78);max-width:58ch}
.hero__actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.hero__badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{font-size:12px;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.85);
  padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.06);transition:all .3s ease;cursor:default}
.badge:hover{background:rgba(37,99,235,.15);border-color:rgba(37,99,235,.3);transform:translateY(-1px)}
.hero__card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:18px;padding:16px}
.mini-title{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.75)}
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:12px}
.kpi__item{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:14px;padding:10px}
.kpi__value{font-size:26px;font-weight:700;background:linear-gradient(135deg,#fff,var(--teal2));-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi__label{font-size:20px;font-weight:600;color:#ffffff}
.note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.78);line-height:1.5}

.section{padding:52px 0}
.section--alt{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--gradient{background:linear-gradient(135deg,#f0f4ff 0%,#fef2f2 50%,#f0fdfa 100%)}
.h2{font-size:clamp(22px, 2.4vw, 30px);margin:0 0 18px;font-weight:700;letter-spacing:-.2px;position:relative;display:inline-block}
.h2::after{content:'';display:block;width:40px;height:3px;background:var(--brand-gradient);border-radius:3px;margin-top:6px}
.h3{font-size:16px;margin:10px 0 6px;font-weight:650}
.muted{color:var(--muted)}
.tiny{font-size:12px}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-1);position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-gradient);opacity:0;transition:opacity .3s ease}
.card:hover::before{opacity:1}
.card--prose{
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  font-size:15px;
  line-height:1.7;
  letter-spacing:0;
}
.card--prose .muted{color:#475569;}
.card--prose .text-strong{font-weight:650;}
.card--prose p{margin:8px 0;max-width:84ch;}
.card--prose p:first-child{margin-top:0;}
.card--prose p:last-child{margin-bottom:0;}
.card--prose .list{margin-top:8px;padding-left:18px;}
.card--prose .list li{margin:8px 0;}
.card--prose ul.list ul.list{margin-top:6px;}
.card--prose a.link{font-weight:500;}
.card--prose hr{margin:16px 0;}
.card--hover{transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease}
.card--hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(37,99,235,.2)}
.card-link{display:block; text-decoration:none;}
.cards-3--projects .project-card--mini{
  padding:12px;
  border-radius:14px;
}
.cards-3--projects .project-card--mini .h3{
  font-size:15px;
  margin:8px 0 6px;
}
.cards-3--projects .project-card--mini .tiny{
  font-size:11px;
}
.project-card__media{
  margin:0 0 10px;
}
.project-card__img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border-radius:12px;
  border:1px solid var(--line);
  background:#f8fafc;
}
.project-card__placeholder{
  width:100%;
  aspect-ratio:4 / 3;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px dashed rgba(100,116,139,.45);
  background:rgba(148,163,184,.08);
  color:var(--muted);
  font-size:13px;
  text-align:center;
  padding:10px;
}
.project-detail__media{
  margin:0 0 12px;
}
.project-detail__img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border-radius:14px;
  border:1px solid var(--line);
  background:#f8fafc;
}
.project-detail__placeholder{
  width:100%;
  aspect-ratio:4 / 3;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  border:1px dashed rgba(100,116,139,.45);
  background:rgba(148,163,184,.08);
  color:var(--muted);
  font-size:14px;
  text-align:center;
  padding:12px;
}
.project-gallery{
  margin:0 0 12px;
  display:grid;
  gap:10px;
}
.project-gallery__main-link{
  display:block;
  text-decoration:none;
  width:50%;
  min-width:440px;
  margin:0 auto;
}
.project-gallery__main-img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border-radius:14px;
  border:1px solid var(--line);
  background:#f8fafc;
  box-shadow:var(--shadow-1);
}
.project-gallery__thumbs{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(88px,1fr));
  gap:8px;
}
.project-gallery__thumb{
  border:1px solid var(--line);
  border-radius:10px;
  padding:0;
  overflow:hidden;
  background:#fff;
  cursor:pointer;
  transition:transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.project-gallery__thumb:hover{
  transform:translateY(-1px);
  border-color:rgba(37,99,235,.35);
}
.project-gallery__thumb.is-active{
  border-color:rgba(37,99,235,.65);
  box-shadow:0 0 0 2px rgba(37,99,235,.16);
}
.project-gallery__thumb img{
  width:100%;
  aspect-ratio:4 / 3;
  display:block;
  object-fit:cover;
  background:#f8fafc;
}
/* Detail project image: compact desktop size, full width on mobile */
.project-gallery .project-detail__placeholder{
  width:50%;
  min-width:440px;
  margin:0 auto;
}
@media (max-width: 980px){
  .project-gallery__main-link{
    width:100%;
    min-width:0;
  }
  .project-gallery .project-detail__placeholder{
    width:100%;
    min-width:0;
  }
}
.project-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:10px;
}
.project-meta__chip{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(240,244,255,.55);
  color:#334155;
  font-size:12px;
  font-weight:500;
}
.project-video-list{
  display:grid;
  gap:18px;
  margin-top:10px;
}
.project-video{
  display:grid;
  gap:10px;
}
.project-video__title{
  margin:0;
  font-weight:650;
}
.project-video__embed{
  width:min(100%, 860px);
  margin:0 auto;
  aspect-ratio:16 / 9;
  overflow:hidden;
  border-radius:14px;
  border:1px solid var(--line);
  background:#000;
  box-shadow:var(--shadow-1);
}
.project-video__frame{
  display:block;
  width:100%;
  height:100%;
  border:0;
}
.content--video-surveillance a.link,
.content--video-surveillance a.link:visited,
.content--video-surveillance a.link:hover,
.content--video-surveillance a.link:focus-visible{
  color: var(--blue);
  text-decoration: none;
}
.content--video-surveillance .list--video-links{
  list-style: none;
  padding-left: 0;
}
.content--video-surveillance .list--video-links li::marker{
  color: var(--blue);
}
.icon{font-size:24px;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(13,148,136,.08));transition:transform .3s ease}
.card:hover .icon{transform:scale(1.1) rotate(-3deg)}
.list{margin:10px 0 0;padding-left:18px}
.list li{margin:6px 0}

.steps{display:grid;gap:10px}
.step{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:14px;transition:all .3s ease}
.step__num{width:38px;height:38px;border-radius:12px;background:var(--brand-gradient-soft);
  color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;transition:all .3s ease}
.step:hover .step__num{background:var(--brand-gradient);color:#fff;transform:scale(1.05)}
.step__title{font-weight:650}

.table{display:grid;gap:10px}
.row{display:grid;grid-template-columns:220px 1fr;gap:12px;padding:10px;border-radius:14px;background:rgba(42, 15, 15, 0.02);border:1px solid var(--line)}
.key{color:var(--muted);font-size:13px}
.val{font-weight:600}

/* Pricing Table */
.pricing-table{width:100%;border-collapse:separate;border-spacing:0;margin-top:16px;overflow:hidden;border-radius:16px}
.pricing-table thead{background:var(--brand-gradient);color:#fff}
.pricing-table thead th{padding:16px 18px;text-align:left;font-weight:600;font-size:15px;letter-spacing:.3px}
.pricing-table thead th:first-child{border-radius:16px 0 0 0}
.pricing-table thead th:last-child{border-radius:0 16px 0 0;text-align:right}
.pricing-table tbody tr{background:#fff;border-bottom:1px solid var(--line);transition:all .3s ease}
.pricing-table tbody tr:hover{background:linear-gradient(135deg,rgba(37,99,235,.04),rgba(13,148,136,.04));transform:translateX(4px);box-shadow:0 4px 12px rgba(15,23,42,.06)}
.pricing-table tbody tr:nth-child(even){background:rgba(240,244,255,.4)}
.pricing-table tbody tr:nth-child(even):hover{background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(13,148,136,.06))}
.pricing-table tbody tr:last-child td:first-child{border-radius:0 0 0 16px}
.pricing-table tbody tr:last-child td:last-child{border-radius:0 0 16px 0}
.pricing-table tbody td{padding:16px 18px;font-size:14px;line-height:1.5}
.pricing-table tbody td:first-child{font-weight:500;color:var(--text)}
.pricing-table tbody td:nth-child(2){color:var(--muted);font-size:13px}
.pricing-table tbody td:last-child{font-weight:700;color:var(--blue);text-align:right;font-size:15px}
.pricing-table tbody td .price-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(13,148,136,.08));font-size:14px;margin-right:10px;vertical-align:middle}

@media (max-width: 768px){
  .pricing-table{display:block;border-radius:12px}
  .pricing-table thead{display:none}
  .pricing-table tbody{display:block}
  .pricing-table tbody tr{display:block;margin-bottom:12px;border-radius:12px;border:1px solid var(--line);padding:14px;background:#fff}
  .pricing-table tbody tr:hover{transform:translateX(0);box-shadow:var(--shadow-1)}
  .pricing-table tbody td{display:block;padding:6px 0;text-align:left!important;border:none}
  .pricing-table tbody td:first-child{font-size:15px;font-weight:600;margin-bottom:8px;color:var(--text)}
  .pricing-table tbody td:nth-child(2){font-size:12px;color:var(--muted);margin-bottom:6px}
  .pricing-table tbody td:nth-child(2)::before{content:'Ед. измерения: ';font-weight:600;color:var(--text)}
  .pricing-table tbody td:last-child{font-size:18px;color:var(--blue);font-weight:700;margin-top:8px;padding-top:10px;border-top:1px solid var(--line)}
  .pricing-table tbody td:last-child::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--blue);margin-right:8px;vertical-align:middle}
}

.cta{display:grid;grid-template-columns:1.1fr .9fr;gap:14px;align-items:start}
.cta__box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 12px 28px rgba(15,23,42,.05)}
.form{display:grid;gap:10px}
input, textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 16px;font:inherit;transition:border-color .2s ease, box-shadow .2s ease}
textarea{resize:none}
input:focus, textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
input::placeholder, textarea::placeholder{color:rgba(100,116,139,.8)}

.footer{
  border-top:1px solid var(--line);
  padding:24px 0;
  margin-top:auto;
  background:
    linear-gradient(90deg, rgba(220,38,38,.07), rgba(37,99,235,.07)) top/100% 2px no-repeat,
    linear-gradient(180deg,#fff,var(--soft));
}
.footer__row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.link{text-decoration:underline}

/* Mobile services sidebar toggle */
.sidebar-toggle{display:none;}
.sidebar-toggle--fab{display:none;}
body.sidebar-open .sidebar-toggle--fab{display:none;}

/* Hard guard: never show floating mobile menu button on desktop */
@media (min-width: 981px){
  .sidebar-toggle--fab{
    display:none !important;
  }
}

/* Show floating menu button only on mobile widths */
@media (max-width: 980px){
  .sidebar-toggle--fab{
    display:inline-flex !important;
  }
  body.sidebar-open .sidebar-toggle--fab{
    display:none !important;
  }
}

/* Off-canvas sidebar (mobile) */
.sidebar-overlay{
  position:fixed;
  inset:0;
  height:100dvh;
  min-height:100svh;
  background:rgba(15,23,42,.45);
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease;
  z-index:90;
}
body.sidebar-open{overflow:hidden;}
body.sidebar-open .sidebar-overlay{opacity:1;pointer-events:auto;}

.sidebar__top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.sidebar__close{display:none;}

/* SIDEBAR */
.layout{
  display:grid;
  grid-template-columns: 320px 1fr;
  gap: 14px;
  align-items:start;
}
.content{min-width:0;}
.sidebar{
  position: sticky;
  top: 132px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px;
  margin-top: 10px;
  box-shadow:0 10px 24px rgba(15,23,42,.04);
  z-index: 40;
  overflow: visible;
}
.sidebar--mobile-menu{
  display:none !important;
}
.sidebar__title{
  font-weight:700;
  margin-bottom:12px;
  color:var(--text);
}
.sidebar__group{
  display:none;
  margin-top:14px;
}

.phone{
  color:var(--blue);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .sidebar__title{
    background:var(--brand-gradient);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }

  .phone{
    background:var(--brand-gradient);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
}
.service-menu{
  display:grid;
  gap:10px;
}
.service-menu__item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;

  padding:14px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  text-decoration:none;

  box-shadow:0 8px 18px rgba(15,23,42,.04);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
  animation:slideUp .4s ease-out;
  position:relative;
  z-index:1;
}
.service-menu__text{
  font-weight:650;
  font-size:14px;
  line-height:1.25;
}
.service-menu__arrow{
  font-weight:650;
  opacity:.7;
  transition:transform .25s ease, opacity .25s ease;
}

.sidebar__nav{
  display:grid;
  gap: 8px;
  overflow: visible;
}
.sidebar__link{
  display:block;
  text-decoration:none;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(15,23,42,.02);
  font-size:14px;
}
.service-menu__item:hover{
  transform:scale(1.01);
  box-shadow:0 14px 28px rgba(15,23,42,.08);
  border-color: rgba(37,99,235,.25);
  background:linear-gradient(135deg,rgba(37,99,235,.03),rgba(13,148,136,.03));
  z-index:2;
}
.service-menu__item:hover .service-menu__arrow{
  transform:translateX(3px);
  opacity:1;
}
.service-menu__item.is-active{
  border-color: rgba(37,99,235,.45);
  background: linear-gradient(135deg,rgba(37,99,235,.08),rgba(13,148,136,.04));
}

/* Service buttons/cards: plain white style */
.service-menu__item,
.service-card{
  background:#fff;
  border-color: var(--line);
}

.service-menu__item:hover,
.service-menu__item.is-active{
  background:#fff;
  border-color: rgba(15,23,42,.16);
}

.service-card.card--hover:hover{
  background:#fff;
  border-color: rgba(15,23,42,.16);
}

/* Desktop: scroll services list inside sidebar independently */
@media (min-width: 981px){
  .sidebar{
    max-height: calc(100vh - 132px - 18px);
    overflow: visible;
    display: flex;
    flex-direction: column;
  }
  .sidebar__nav{
    min-height: 0;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-gutter: stable;
    padding: 2px 12px 2px 2px;
    margin: -2px -12px -2px -2px;
  }
}

/* чтобы sticky header не перекрывал якоря */
#about, #services, #process, #projects, #contacts { scroll-margin-top: 90px; }
.anchor-target { scroll-margin-top: 90px; }

/* Каскадные задержки анимаций */
.cards-3 .card:nth-child(1) { animation-delay: 0.1s; }
.cards-3 .card:nth-child(2) { animation-delay: 0.2s; }
.cards-3 .card:nth-child(3) { animation-delay: 0.3s; }
.cards-3 .card:nth-child(4) { animation-delay: 0.4s; }
.cards-3 .card:nth-child(5) { animation-delay: 0.5s; }
.cards-3 .card:nth-child(6) { animation-delay: 0.6s; }

.steps .step:nth-child(1) { animation-delay: 0.1s; }
.steps .step:nth-child(2) { animation-delay: 0.2s; }
.steps .step:nth-child(3) { animation-delay: 0.3s; }
.steps .step:nth-child(4) { animation-delay: 0.4s; }
.steps .step:nth-child(5) { animation-delay: 0.5s; }

.h1-dark{ font-size:32px; margin:0 0 10px; font-weight:800; }
.lead-dark{ font-size:16px; margin:0 0 16px; color: var(--muted); }

/* Tablet breakpoint */
@media (max-width: 1200px){
  .container{max-width:100%;padding:0 20px}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .layout{grid-template-columns:280px 1fr}
  .nav__link{font-size:13px;padding:7px 10px}
  .brand--wide{width:203px;margin-left:8px}
}

/* Medium screens - tablets in portrait */
@media (max-width: 780px){
  .brand--wide{width:auto;margin-left:8px;}
  .brand--wide .brand__logo{max-height:45px;}
  .nav{display:none;}
  .phone-block{display:flex;}
}

@media (max-width: 980px){
  html,body{
    font-size:15px;
    line-height:1.6;
    background:
      repeating-linear-gradient(0deg, rgba(15,23,42,.022) 0 1px, transparent 1px 112px),
      repeating-linear-gradient(90deg, rgba(15,23,42,.022) 0 1px, transparent 1px 112px),
      #ffffff;
    background-attachment:scroll;
  }
  .hero__grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .cta{grid-template-columns:1fr}
  .h1{font-size:28px;line-height:1.15;}
  .lead{font-size:16px;line-height:1.6;}
  .row{grid-template-columns:1fr}
  .layout{ grid-template-columns: 1fr; }
  .section{padding:40px 0}
  .hero{padding:36px 0 28px}
  
  /* Better touch targets */
  .btn{min-height:44px;padding:12px 18px;font-size:15px;}
  .nav__link{min-height:44px;padding:10px 14px;}
  .service-menu__item{min-height:52px;padding:16px;}
  
  /* Improved cards spacing */
  .card{padding:20px;margin-bottom:16px;}
  .cards-3{gap:16px;}
  .grid-2{gap:16px;}
  
  /* Better form inputs */
  input, textarea{padding:14px 16px;font-size:16px;min-height:48px;}
  textarea{min-height:120px;}
  
  /* iOS safe area support */
  .container{padding-left:max(20px, env(safe-area-inset-left));padding-right:max(20px, env(safe-area-inset-right));}
  .header{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);}
  .footer{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);padding-bottom:max(24px, env(safe-area-inset-bottom));}

  /* Mobile header: balanced layout */
  .header{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
  .header__row{display:flex;justify-content:space-between;align-items:center;gap:6px;padding:12px 0;}
  .brand--wide{flex:0 0 auto;width:auto;margin-left:8px;}
  .brand--wide .brand__logo{max-height:40px;width:auto;}
  .nav{display:none;}
  .phone-block{flex:1 1 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:90px;max-width:180px;margin:0 auto;}
  .phone{font-size:12px;white-space:nowrap;text-align:center;}
  .phone-sub{display:none;}
  .header__cta{flex:0 0 auto;display:flex;align-items:center;justify-content:flex-end;gap:0;margin-right:8px;}
  .header .btn{padding:9px 12px;font-size:12px;white-space:nowrap;min-height:40px;}

  /* Floating services toggle (opens sidebar) */
  .sidebar-toggle--fab{
    display:inline-flex;
    position:fixed;
    right:14px;
    top:74px;
    z-index:95;
    box-shadow:0 16px 34px rgba(15,23,42,.16);
  }

  .sidebar{
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    height:100dvh;
    min-height:100svh;
    min-height:-webkit-fill-available;
    width:min(360px, 90vw);
    max-width:90vw;
    margin:0;
    border-radius:0 18px 18px 0;
    transform:translateX(-105%);
    transition:transform .25s ease;
    z-index:100;
    overflow:auto;
    -webkit-overflow-scrolling:touch;
    overscroll-behavior:contain;
    padding:
      max(14px, env(safe-area-inset-top))
      14px
      max(14px, env(safe-area-inset-bottom));
  }
  .sidebar--mobile-menu{
    display:block !important;
  }
  .sidebar__group{
    display:block;
  }
  .sidebar.is-open{transform:translateX(0);}
  .sidebar__top{
    align-items:flex-start;
    margin-bottom:12px;
  }
  .sidebar__title{
    margin:0;
    padding-top:6px;
  }
  .sidebar__close{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:38px;
    height:38px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    color:rgba(15,23,42,.85);
    cursor:pointer;
    font-size:22px;
    line-height:1;
    box-shadow:0 10px 24px rgba(15,23,42,.08);
    align-self:flex-start;
    margin-top:-2px;
  }
}

/* iPhone viewport fixes */
@supports (-webkit-touch-callout: none) {
  @media (max-width: 980px){
    html, body{
      min-height:-webkit-fill-available;
    }
    .sidebar-overlay,
    .sidebar,
    .modal{
      min-height:-webkit-fill-available;
    }
    .sidebar-toggle--fab{
      top:calc(74px + env(safe-area-inset-top));
    }
  }
}

/* Small phone breakpoint */
@media (max-width: 520px){
  .container{padding:0 16px;padding-left:max(16px, env(safe-area-inset-left));padding-right:max(16px, env(safe-area-inset-right));}
  .cards-3{grid-template-columns:1fr;gap:14px;}
  .h1{font-size:26px;line-height:1.2;margin-bottom:16px;}
  .lead{font-size:15px;line-height:1.65;margin-bottom:20px;}
  .hero__actions{flex-direction:column;gap:12px;}
  .hero__actions .btn{width:100%;text-align:center;min-height:48px;}
  .hero__badges{justify-content:flex-start;gap:10px;}
  .badge{padding:8px 14px;font-size:13px;}
  .kpi{grid-template-columns:1fr;gap:12px;}
  .kpi__item{padding:14px;}
  .card{padding:18px;}
  .btn{padding:12px 16px;font-size:14px;min-height:48px;}
  .footer__row{flex-direction:column;text-align:center;gap:12px;}
  
  /* Modal optimization */
  .modal{padding:16px;}
  .modal__content{padding:24px 20px;border-radius:16px;width:calc(100% - 32px);max-height:90vh;overflow-y:auto;}
  .modal__close{right:12px;top:12px;width:36px;height:36px;font-size:24px;}
  .form{gap:14px;}
  
  .cta__box{padding:18px;}
  .h2{font-size:22px;margin-bottom:16px;}
  .h2::after{width:35px;height:3px;margin-top:6px;}
  .h3{font-size:17px;margin:14px 0 8px;}
  
  /* Extra compact header for very small screens */
  .header__row{gap:4px;padding:10px 0;}
  .brand--wide{margin-left:6px;}
  .brand--wide .brand__logo{max-height:36px;}
  .phone-block{min-width:80px;max-width:140px;}
  .phone{font-size:11px;}
  .header .btn{padding:8px 10px;font-size:11px;min-height:38px;}
  .header__cta{margin-right:6px;}
  
  /* Better list spacing */
  .list{padding-left:20px;}
  .list li{margin:10px 0;line-height:1.6;}
  
  /* Improved table for mobile */
  .pricing-table tbody tr{padding:16px;margin-bottom:14px;}
  .pricing-table tbody td:first-child{font-size:14px;line-height:1.5;}
  .pricing-table tbody td:last-child{font-size:17px;margin-top:10px;padding-top:12px;}
  
  /* Better hero spacing */
  .hero{padding:28px 0 24px;}
  .hero__card{padding:18px;margin-top:24px;}
  .kpi__value{font-size:28px;}
  .kpi__label{font-size:18px;}
  
  /* Steps optimization */
  .step{padding:16px;gap:14px;}
  .step__num{width:40px;height:40px;font-size:16px;flex-shrink:0;}
  .step__title{font-size:15px;line-height:1.5;}
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* MODAL */
.modal{
  display:none;
  position:fixed;
  z-index:100;
  left:0;
  top:0;
  width:100%;
  height:100%;
  background-color:rgba(0,0,0,.5);
  align-items:center;
  justify-content:center;
  animation:fadeIn .3s ease;
}
.modal__content{
  background:#fff;
  border-radius:18px;
  padding:32px;
  max-width:500px;
  width:90%;
  position:relative;
  box-shadow:0 20px 60px rgba(15,23,42,.2);
  animation:slideUp .3s ease;
}
.modal__close{
  position:absolute;
  right:16px;
  top:16px;
  font-size:28px;
  font-weight:700;
  border:none;
  background:none;
  cursor:pointer;
  color:var(--muted);
  transition:color .2s ease;
}
.modal__close:hover{
  color:var(--text);
}

/* PARTNERS CAROUSEL */
.partners-carousel{
  overflow:hidden;
  position:relative;
  width:100%;
  max-width:100%;
  padding:14px;
}

.partners-viewport{
  overflow:hidden;
}

.partners-arrow{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:38px;
  height:38px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:rgba(15,23,42,.72);
  font-size:22px;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  z-index:3;
  box-shadow:0 10px 24px rgba(15,23,42,.08);
  transition:transform .15s ease, color .15s ease, background .15s ease;
}
.partners-arrow:hover{ transform:translateY(-50%) translateY(-1px); color:rgba(15,23,42,.92); background:rgba(15,23,42,.02); }
.partners-arrow--left{ left:10px; }
.partners-arrow--right{ right:10px; }

/* fade edges so items "disappear" on left/right */
.partners-carousel::before,
.partners-carousel::after{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  width:56px;
  pointer-events:none;
  z-index:2;
}
.partners-carousel::before{
  left:0;
  background:linear-gradient(90deg, #fff 0%, rgba(255,255,255,0) 100%);
}
.partners-carousel::after{
  right:0;
  background:linear-gradient(270deg, #fff 0%, rgba(255,255,255,0) 100%);
}
.partners-track{
  display:flex;
  align-items:center;
  gap:0;
  will-change: transform;
}

.partners-set{
  display:flex;
  align-items:center;
  gap:14px;
  padding-right:14px;
  flex-shrink:0;
}
.partner-logo{
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  min-width:140px;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(15,23,42,.02);
  border:1px solid var(--line);
  border-radius:14px;
  flex-shrink:0;
  color:rgba(15,23,42,.78);
  transition:transform .2s ease, background .2s ease, color .2s ease;
  user-select:none;
}
.partner-logo:hover{
  background:rgba(37,99,235,.04);
  color:var(--blue);
  border-color:rgba(37,99,235,.2);
  transform:translateY(-2px);
}

/* --- SCROLL REVEAL --- */
@media (min-width: 981px) {
  .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease, transform .6s ease}
  .reveal.is-visible{opacity:1;transform:translateY(0)}
}
@media (max-width: 980px) {
  .reveal{opacity:1;transform:translateY(0)}
  .reveal.is-visible{opacity:1;transform:translateY(0)}
}

/* Colored divider between sections */
.section-divider{height:3px;background:linear-gradient(90deg,var(--accent),var(--blue),var(--teal),var(--gold));border:none;margin:0;opacity:.6}

/* Brand red-to-blue border around major content blocks */
.card,
.step,
.row,
.cta__box,
.sidebar,
.service-menu__item{
  border:1px solid transparent;
}

.card{
  background:
    linear-gradient(var(--card), var(--card)) padding-box,
    var(--brand-border-soft) border-box;
}

.step{
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--brand-border-soft) border-box;
}

.row{
  background:
    linear-gradient(rgba(42, 15, 15, 0.02), rgba(42, 15, 15, 0.02)) padding-box,
    var(--brand-border-soft) border-box;
}

.cta__box{
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--brand-border-soft) border-box;
}

.sidebar{
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--brand-border-soft) border-box;
}

.service-menu__item{
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--brand-border-soft) border-box;
  overflow:hidden;
}

.service-card{
  overflow:hidden;
}

.service-menu__item::after,
.service-card::after{
  content:'';
  position:absolute;
  inset:1px;
  border-radius:inherit;
  background:
    linear-gradient(17deg, transparent 0 58%, rgba(100,116,139,.24) 58.4%, transparent 59%),
    linear-gradient(-29deg, transparent 0 24%, rgba(100,116,139,.21) 24.5%, transparent 25.2%),
    linear-gradient(42deg, transparent 0 76%, rgba(100,116,139,.19) 76.3%, transparent 77%),
    linear-gradient(-9deg, transparent 0 42%, rgba(100,116,139,.17) 42.4%, transparent 43%),
    linear-gradient(63deg, transparent 0 14%, rgba(100,116,139,.15) 14.4%, transparent 15%);
  background-size: 170% 165%, 155% 140%, 190% 160%, 145% 180%, 200% 150%;
  background-position: 15% 12%, 84% 28%, 33% 79%, 72% 61%, 6% 86%;
  opacity:.36;
  pointer-events:none;
  z-index:1;
}

.service-menu__item > *,
.service-card > *{
  position:relative;
  z-index:2;
}

.card--hover:hover,
.service-card.card--hover:hover,
.service-menu__item:hover,
.service-menu__item.is-active{
  border-color: transparent;
  background-image:
    linear-gradient(#fff, #fff),
    var(--brand-border-strong);
}

.service-menu__item:hover::after,
.service-menu__item.is-active::after,
.service-card.card--hover:hover::after{
  opacity:.5;
}

/* Requisites: no fill inside text rows */
.table--requisites .row{
  background: transparent;
  background-image: none;
  border:1px solid var(--line);
}