/* ==========================================================================
   ВТ Партнёр — логистика Китай → Россия
   Дизайн-система: токены → базовые стили → компоненты → секции → адаптив
   ========================================================================== */

/* --- 1. Токены ----------------------------------------------------------- */
:root{
  --ink:#0d151f;
  --ink-2:#1b2734;
  --body:#3d4b5c;
  --muted:#6b7a8c;
  --line:#e3e8ee;
  --line-2:#eef1f5;
  --bg:#ffffff;
  --bg-soft:#f6f8fa;
  --bg-deep:#0d151f;
  --accent:#c8452c;
  --accent-dark:#a83722;
  --accent-soft:#fdf1ee;
  --steel:#1f4e6b;
  --steel-soft:#eef4f8;
  --ok:#1d7a53;

  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;

  --shadow-s:0 1px 2px rgba(13,21,31,.06), 0 2px 8px rgba(13,21,31,.04);
  --shadow-m:0 2px 6px rgba(13,21,31,.06), 0 14px 34px rgba(13,21,31,.08);
  --shadow-l:0 24px 60px rgba(13,21,31,.14);

  --font:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --container:1200px;
  --gut:24px;
  --header-h:76px;
}

/* --- 2. База ------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:96px}
body{
  margin:0; background:var(--bg); color:var(--body);
  font-family:var(--font); font-size:17px; line-height:1.65;
  font-feature-settings:"tnum" 0; -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%; height:auto; display:block}
a{color:var(--steel); text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--ink); font-weight:650; line-height:1.18; letter-spacing:-.02em; margin:0 0 .5em}
h1{font-size:clamp(30px,4.4vw,52px); letter-spacing:-.03em}
h2{font-size:clamp(25px,3vw,36px)}
h3{font-size:clamp(19px,1.6vw,22px); line-height:1.3}
h4{font-size:17px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em; padding-left:1.15em}
li{margin-bottom:.4em}
strong{color:var(--ink-2); font-weight:600}
:focus-visible{outline:2px solid var(--accent); outline-offset:3px; border-radius:4px}
::selection{background:#0d151f; color:#fff}

.container{width:100%; max-width:var(--container); margin:0 auto; padding:0 var(--gut)}
.lead{font-size:clamp(17px,1.5vw,20px); line-height:1.6; color:var(--body)}
.muted{color:var(--muted)}
.small{font-size:14.5px; line-height:1.55}
.nowrap{white-space:nowrap}
.center{text-align:center}
.visually-hidden{position:absolute!important; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap}
/* ссылка «к содержанию»: скрыта, пока не получит фокус с клавиатуры */
.skip:focus-visible{position:fixed!important; top:12px; left:12px; z-index:200; width:auto; height:auto;
  clip:auto; overflow:visible; background:var(--ink); color:#fff; padding:12px 18px; border-radius:10px}

/* --- 3. Кнопки ----------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  padding:14px 24px; border-radius:10px; border:1px solid transparent;
  font-size:16px; font-weight:600; line-height:1.2; letter-spacing:-.01em;
  cursor:pointer; transition:.18s ease; text-align:center; font-family:inherit;
}
.btn svg{flex:none}
.btn--primary{background:var(--accent); color:#fff; box-shadow:0 6px 18px rgba(200,69,44,.22)}
.btn--primary:hover{background:var(--accent-dark); color:#fff; transform:translateY(-1px); box-shadow:0 10px 24px rgba(200,69,44,.26)}
.btn--dark{background:var(--ink); color:#fff}
.btn--dark:hover{background:#1c2b3c; color:#fff; transform:translateY(-1px)}
.btn--ghost{background:#fff; color:var(--ink); border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink); color:var(--ink); background:#fff}
.btn--onDark{background:rgba(255,255,255,.08); color:#fff; border-color:rgba(255,255,255,.22)}
.btn--onDark:hover{background:rgba(255,255,255,.16); color:#fff}
.btn--sm{padding:10px 16px; font-size:15px; border-radius:9px}
.btn--wide{width:100%}

.link-plain{background:none; border:0; padding:0; font:inherit; color:var(--steel);
  cursor:pointer; text-align:left}
.link-plain:hover{color:var(--accent)}
.link-arrow{display:inline-flex; align-items:center; gap:7px; font-weight:600; color:var(--steel)}
.link-arrow::after{content:"→"; transition:transform .18s ease}
.link-arrow:hover::after{transform:translateX(4px)}

/* --- 4. Шапка ------------------------------------------------------------ */
.header{position:sticky; top:0; z-index:60; background:rgba(255,255,255,.92); backdrop-filter:saturate(180%) blur(12px); border-bottom:1px solid var(--line)}
.header__in{display:flex; align-items:center; gap:26px; height:var(--header-h)}
.logo{display:flex; align-items:center; gap:12px; color:var(--ink); flex:none}
/* Знак — фирменный SVG, залитый текущим цветом: тёмный в шапке, белый в подвале. */
.logo__mark{width:33px; height:40px; flex:none; background:currentColor;
  -webkit-mask:url(/assets/img/logo-mark.svg) center/contain no-repeat;
  mask:url(/assets/img/logo-mark.svg) center/contain no-repeat}
.logo__txt{display:flex; flex-direction:column; line-height:1.1}
.logo__name{font-weight:700; font-size:17px; letter-spacing:-.02em; color:var(--ink)}
.logo__sub{font-size:11.5px; color:var(--muted); letter-spacing:.04em; text-transform:uppercase}

.nav{margin-left:auto}
.nav__list{display:flex; align-items:center; gap:4px; list-style:none; margin:0; padding:0}
.nav__item{position:relative}
.nav__item--mobile{display:none}
.nav__link{display:flex; align-items:center; gap:5px; padding:9px 10px; border-radius:9px; color:var(--ink-2); font-size:15.5px; font-weight:550; white-space:nowrap}
.nav__link:hover,.nav__item:hover>.nav__link{background:var(--bg-soft); color:var(--ink)}
.nav__link[aria-current="page"]{color:var(--accent)}
.nav__caret{width:9px; height:9px; opacity:.5; transition:transform .18s}
.nav__item:hover .nav__caret{transform:rotate(180deg)}
.nav__drop{
  position:absolute; top:calc(100% + 8px); left:-8px; min-width:290px; padding:8px;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow-m);
  list-style:none; margin:0; opacity:0; visibility:hidden; transform:translateY(-6px); transition:.16s ease;
}
.nav__item:hover .nav__drop, .nav__item:focus-within .nav__drop{opacity:1; visibility:visible; transform:none}
.nav__drop a{display:block; padding:9px 12px; border-radius:9px; color:var(--ink-2); font-size:15px; line-height:1.35}
.nav__drop a span{display:block; font-size:13px; color:var(--muted); margin-top:2px}
.nav__drop a:hover{background:var(--bg-soft); color:var(--ink)}
.header__cta{display:flex; align-items:center; gap:12px; flex:none}
.header__phone{font-weight:650; color:var(--ink); font-size:15.5px; white-space:nowrap}
.burger{display:none; width:44px; height:44px; border:1px solid var(--line); background:#fff; border-radius:10px; cursor:pointer; align-items:center; justify-content:center}
.burger span{display:block; width:18px; height:2px; background:var(--ink); position:relative}
.burger span::before,.burger span::after{content:""; position:absolute; left:0; width:18px; height:2px; background:var(--ink)}
.burger span::before{top:-6px} .burger span::after{top:6px}

/* --- 5. Секции ----------------------------------------------------------- */
.section{padding:clamp(56px,7vw,96px) 0}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:clamp(40px,5vw,64px) 0}
.section--dark{background:var(--bg-deep); color:#b9c6d4}
.section--dark h2,.section--dark h3{color:#fff}
.section__head{max-width:760px; margin-bottom:clamp(28px,4vw,48px)}
.section__head--center{margin-left:auto; margin-right:auto; text-align:center}
.eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:13px; font-weight:650; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); margin-bottom:14px}
.eyebrow::before{content:""; width:22px; height:2px; background:var(--accent); border-radius:2px}
.section--dark .eyebrow{color:#e8836c}
.section--dark .eyebrow::before{background:#e8836c}

/* --- 6. Первый экран ----------------------------------------------------- */
.hero{position:relative; background:var(--bg-deep); color:#c3cfdb; overflow:hidden; padding:clamp(52px,7vw,88px) 0 clamp(52px,7vw,84px)}
.hero::before{content:""; position:absolute; inset:0; background:
  radial-gradient(900px 460px at 12% -8%, rgba(31,78,107,.55), transparent 60%),
  radial-gradient(760px 420px at 92% 8%, rgba(200,69,44,.30), transparent 62%);
}
.hero__in{position:relative; display:grid; grid-template-columns:minmax(0,1.02fr) minmax(0,1fr); gap:clamp(30px,5vw,64px); align-items:center}
.hero h1{color:#fff; margin-bottom:20px}
.hero__sub{font-size:clamp(17px,1.5vw,20px); line-height:1.6; color:#a9b8c8; max-width:560px; margin-bottom:28px}
.hero__actions{display:flex; flex-wrap:wrap; gap:12px; margin-bottom:30px}
.hero__facts{display:flex; flex-wrap:wrap; gap:10px 28px; padding-top:26px; border-top:1px solid rgba(255,255,255,.13)}
.hero__fact{display:flex; align-items:baseline; gap:9px; font-size:14.5px; color:#9fb0c1}
.hero__fact b{color:#fff; font-size:22px; font-weight:650; letter-spacing:-.02em}
.hero--page{padding:clamp(44px,5vw,64px) 0 clamp(44px,5vw,60px)}
.hero--page .hero__in{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr)}

/* цепочка поставки в герое */
.chain{background:rgba(255,255,255,.045); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius-l); padding:clamp(20px,2.4vw,28px); backdrop-filter:blur(6px)}
.chain__title{font-size:13px; letter-spacing:.08em; text-transform:uppercase; color:#8ea0b3; margin-bottom:18px; font-weight:600}
.chain__list{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:2px}
.chain__row{display:grid; grid-template-columns:34px 1fr; gap:14px; align-items:start; padding:9px 0}
.chain__ico{width:34px; height:34px; border-radius:10px; background:rgba(255,255,255,.09); display:flex; align-items:center; justify-content:center; color:#fff}
.chain__ico svg{width:17px; height:17px}
.chain__row b{display:block; color:#fff; font-size:15.5px; font-weight:600; letter-spacing:-.01em}
.chain__row span{font-size:13.5px; color:#8ea0b3; line-height:1.45}
.chain__sep{width:1px; height:14px; background:rgba(255,255,255,.2); margin-left:17px}

/* --- 7. Карточки --------------------------------------------------------- */
.grid{display:grid; gap:20px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
/* Хвост сетки из трёх колонок: одиночная карточка тянется на всю ширину,
   две — делят ряд пополам, чтобы последний ряд не выглядел обрубленным. */
.grid--3>:last-child:nth-child(3n+1){grid-column:span 3}
.grid--3>:nth-last-child(2):nth-child(3n+1){grid-column:span 2}

.card{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px; transition:.18s ease; display:flex; flex-direction:column}
.card--link:hover{border-color:#cfd8e2; box-shadow:var(--shadow-m); transform:translateY(-2px)}
.card h3{margin-bottom:8px}
.card p{margin-bottom:14px; font-size:15.5px; line-height:1.6}
.card p:last-child{margin-bottom:0}
.card .link-arrow{margin-top:auto; font-size:15px}
.card__ico{width:46px; height:46px; border-radius:12px; background:var(--steel-soft); color:var(--steel); display:flex; align-items:center; justify-content:center; margin-bottom:16px}
.card__ico svg{width:22px; height:22px}
.card__ico--accent{background:var(--accent-soft); color:var(--accent)}
.card--flat{background:var(--bg-soft); border-color:transparent}
.card--dark{background:#14202d; border-color:rgba(255,255,255,.09)}
.card--dark h3{color:#fff}
.card--dark p{color:#a4b3c2}

.tile{display:flex; gap:14px; align-items:flex-start; padding:18px 20px; background:#fff; border:1px solid var(--line); border-radius:12px}
.tile svg{width:20px; height:20px; color:var(--accent); flex:none; margin-top:3px}
.tile b{display:block; color:var(--ink); font-size:16px; margin-bottom:2px; font-weight:600}
.tile span{font-size:14.5px; line-height:1.5; color:var(--muted)}
.section--soft .tile{border-color:var(--line)}

/* маркированные списки с галочками */
.checks{list-style:none; padding:0; margin:0; display:grid; gap:11px}
.checks li{position:relative; padding-left:30px; font-size:16px; line-height:1.55; margin:0}
.checks li::before{
  content:""; position:absolute; left:0; top:4px; width:19px; height:19px; border-radius:50%;
  background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c8452c' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}
.checks--steel li::before{background-color:var(--steel-soft); background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f4e6b' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E")}
.checks--2{grid-template-columns:repeat(2,minmax(0,1fr)); gap:11px 28px}

/* --- 8. Две колонки ------------------------------------------------------ */
.split{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:clamp(28px,4.5vw,60px); align-items:center}
.split--top{align-items:start}
.split--wide-l{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.split--wide-r{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}

/* --- 9. Шаги ------------------------------------------------------------- */
.steps{list-style:none; margin:0; padding:0; display:grid; gap:0; counter-reset:step}
.steps__item{position:relative; display:grid; grid-template-columns:56px 1fr; gap:20px; padding:0 0 26px}
.steps__item:last-child{padding-bottom:0}
.steps__item::before{content:""; position:absolute; left:27px; top:46px; bottom:-6px; width:2px; background:var(--line)}
.steps__item:last-child::before{display:none}
.steps__num{
  width:56px; height:56px; border-radius:16px; background:#fff; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; font-size:19px; font-weight:700; color:var(--ink);
  position:relative; z-index:1; letter-spacing:-.02em;
}
.steps__item--accent .steps__num{background:var(--ink); color:#fff; border-color:var(--ink)}
.steps__body{padding-top:8px}
.steps__body h3{font-size:19px; margin-bottom:6px}
.steps__body p{font-size:15.5px; margin:0; line-height:1.6}
.steps--2col{grid-template-columns:repeat(2,minmax(0,1fr)); column-gap:44px}

/* --- 10. Сравнение карго / белая ----------------------------------------- */
.compare{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px}
.compare__col{border:1px solid var(--line); border-radius:var(--radius-l); padding:clamp(24px,3vw,34px); background:#fff; display:flex; flex-direction:column}
.compare__col--b{background:var(--ink); border-color:var(--ink); color:#b6c4d2}
.compare__col--b h3{color:#fff}
.compare__col--b .checks li::before{background-color:rgba(255,255,255,.12); background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E")}
.compare__tag{display:inline-block; align-self:flex-start; font-size:12.5px; font-weight:650; letter-spacing:.07em; text-transform:uppercase; padding:5px 11px; border-radius:100px; background:var(--accent-soft); color:var(--accent); margin-bottom:16px}
.compare__col--b .compare__tag{background:rgba(255,255,255,.13); color:#fff}
.compare__col .btn{margin-top:24px; align-self:flex-start}
.compare__note{margin-top:22px; padding:18px 22px; border-radius:12px; background:var(--steel-soft); color:var(--ink-2); font-size:15.5px; border-left:3px solid var(--steel)}

/* таблица */
.table-wrap{overflow-x:auto; border:1px solid var(--line); border-radius:var(--radius); background:#fff}
table.tbl{width:100%; border-collapse:collapse; min-width:620px; font-size:15.5px}
table.tbl th,table.tbl td{padding:15px 20px; text-align:left; border-bottom:1px solid var(--line-2); vertical-align:top}
table.tbl thead th{background:var(--bg-soft); color:var(--ink); font-weight:650; font-size:14.5px; letter-spacing:.01em; white-space:nowrap}
table.tbl tbody tr:last-child td{border-bottom:none}
table.tbl td:first-child{color:var(--ink); font-weight:550}
/* компактный вариант — для узких колонок, без горизонтальной прокрутки */
table.tbl--compact{min-width:0}
table.tbl--compact th,table.tbl--compact td{padding:12px 16px}
table.tbl--compact thead th{white-space:normal}
@media (max-width:420px){table.tbl--compact th,table.tbl--compact td{padding:10px 12px}}

/* --- 11. Склады / города ------------------------------------------------- */
.geo{display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.05fr); gap:clamp(28px,4vw,56px); align-items:center}
.city{display:grid; grid-template-columns:auto 1fr; gap:16px; padding:20px 0; border-top:1px solid var(--line)}
.city:first-of-type{border-top:none; padding-top:0}
.city__dot{width:11px; height:11px; border-radius:50%; background:var(--accent); margin-top:8px; box-shadow:0 0 0 4px var(--accent-soft)}
.city__dot--steel{background:var(--steel); box-shadow:0 0 0 4px var(--steel-soft)}
.city h3{margin-bottom:4px; font-size:20px}
.city p{margin:0; font-size:15.5px}
.map{margin:0; background:var(--bg-soft); border:1px solid var(--line); border-radius:var(--radius-l);
  padding:clamp(14px,1.6vw,20px); overflow:hidden}
.map__scroll{overflow-x:auto; -webkit-overflow-scrolling:touch; border-radius:14px}
.map img{width:100%; height:auto; display:block; border-radius:14px}
@media (max-width:760px){
  /* на узком экране карта прокручивается по горизонтали — иначе подписи нечитаемы */
  .map img{width:700px; max-width:none}
  .map figcaption{text-align:left}
}
.map figcaption{font-size:14px; color:var(--muted); margin-top:14px; text-align:center;
  max-width:720px; margin-left:auto; margin-right:auto; line-height:1.5}

/* --- 12. Фото-слоты ------------------------------------------------------ */
.photo{margin:0; border-radius:var(--radius-l); overflow:hidden; background:#fff; border:1px solid var(--line)}
.photo img{width:100%; height:100%; object-fit:cover; display:block}
.photo__ph{
  position:relative; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px;
  min-height:260px; padding:26px; text-align:center;
  background:
    linear-gradient(135deg, rgba(31,78,107,.06), rgba(200,69,44,.05)),
    repeating-linear-gradient(45deg, #f3f6f9 0 12px, #eef2f6 12px 24px);
  color:var(--muted);
}
.photo__ph svg{width:26px; height:26px; opacity:.5}
.photo__ph b{display:block; color:var(--ink-2); font-size:15px; font-weight:600}
.photo__ph span{font-size:13px; max-width:280px; line-height:1.45}
.photo--tall .photo__ph{min-height:400px}
.photo--wide .photo__ph{min-height:220px}
.photo-row{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px}


/* --- 12a. Образцы документов --------------------------------------------- */
.docs{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px}
.doc{display:flex; flex-direction:column; background:#fff; border:1px solid var(--line);
  border-radius:var(--radius); overflow:hidden; color:var(--body); transition:.18s ease}
.doc:hover{border-color:#cfd8e2; box-shadow:var(--shadow-m); transform:translateY(-2px); color:var(--body)}
.doc__shot{display:block; aspect-ratio:4/3; overflow:hidden; background:var(--bg-soft); border-bottom:1px solid var(--line-2)}
.doc__shot img{width:100%; height:100%; object-fit:cover; object-position:top center}
.doc__body{display:flex; flex-direction:column; gap:6px; padding:20px 22px 22px}
.doc__tag{align-self:flex-start; font-size:11.5px; font-weight:650; letter-spacing:.08em;
  text-transform:uppercase; padding:4px 9px; border-radius:100px; margin-bottom:2px}
.doc__tag--real{background:var(--accent-soft); color:var(--accent)}
.doc__tag--demo{background:var(--steel-soft); color:var(--steel)}
.doc__body b{color:var(--ink); font-size:17px; font-weight:600; letter-spacing:-.01em}
.doc__body>span{font-size:14.5px; line-height:1.5; color:var(--muted)}
.doc__link{margin-top:8px; color:var(--steel); font-weight:600; font-size:14.5px}
.doc:hover .doc__link{color:var(--accent)}
.lic{display:grid; grid-template-columns:150px 1fr; gap:18px; align-items:start; margin-top:20px;
  padding:18px; background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  color:var(--body); transition:.18s ease}
.lic:hover{border-color:#cfd8e2; box-shadow:var(--shadow-m); color:var(--body)}
.lic__shot{display:block; border:1px solid var(--line-2); border-radius:9px; overflow:hidden; background:var(--bg-soft)}
.lic__shot img{width:100%; height:auto; display:block}
.lic__body{display:flex; flex-direction:column; gap:7px; min-width:0}
.lic__body b{color:var(--ink); font-size:16px; font-weight:600}
.lic__body>span{font-size:14px; line-height:1.5; color:var(--muted)}
.lic__link{color:var(--steel); font-weight:600; font-size:14.5px; margin-top:2px}
.lic:hover .lic__link{color:var(--accent)}
@media (max-width:640px){.lic{grid-template-columns:minmax(0,1fr)}}

.docs-note{margin-top:22px; padding:16px 20px; border-radius:12px; background:var(--bg-soft);
  border-left:3px solid var(--steel); font-size:14.5px; color:var(--muted); line-height:1.55}

/* --- 13. Аккордеон ------------------------------------------------------- */
.acc{border-top:1px solid var(--line)}
.acc__item{border-bottom:1px solid var(--line)}
.acc__q{
  width:100%; display:flex; align-items:flex-start; justify-content:space-between; gap:20px;
  background:none; border:0; padding:22px 0; cursor:pointer; text-align:left;
  font-family:inherit; font-size:17.5px; font-weight:600; color:var(--ink); line-height:1.4; letter-spacing:-.01em;
}
.acc__q:hover{color:var(--accent)}
.acc__ico{flex:none; width:24px; height:24px; border-radius:50%; border:1px solid var(--line); position:relative; margin-top:2px; transition:.2s}
.acc__ico::before,.acc__ico::after{content:""; position:absolute; left:50%; top:50%; width:10px; height:2px; background:var(--ink); transform:translate(-50%,-50%); border-radius:2px; transition:.2s}
.acc__ico::after{transform:translate(-50%,-50%) rotate(90deg)}
.acc__q[aria-expanded="true"] .acc__ico{background:var(--ink); border-color:var(--ink)}
.acc__q[aria-expanded="true"] .acc__ico::before,.acc__q[aria-expanded="true"] .acc__ico::after{background:#fff}
.acc__q[aria-expanded="true"] .acc__ico::after{transform:translate(-50%,-50%) rotate(0)}
.acc__a{display:none; padding:0 60px 24px 0; font-size:16px; line-height:1.65}
.acc__a p:last-child,.acc__a ul:last-child{margin-bottom:0}
.acc__item.is-open .acc__a{display:block}

/* --- 14. Формы ----------------------------------------------------------- */
.form{background:#fff; border:1px solid var(--line); border-radius:var(--radius-l); padding:clamp(24px,3vw,38px); box-shadow:var(--shadow-s)}
.form__grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px}
.form__grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.field{display:flex; flex-direction:column; gap:7px; min-width:0}
.field--full{grid-column:1/-1}
.field label{font-size:14.5px; font-weight:600; color:var(--ink-2)}
.field label .req{color:var(--accent)}
.field input,.field select,.field textarea{
  width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:10px; background:#fff;
  font-family:inherit; font-size:16px; color:var(--ink); transition:.15s;
}
.field textarea{min-height:96px; resize:vertical}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#cbd4de}
.field input:focus,.field select:focus,.field textarea:focus{outline:none; border-color:var(--steel); box-shadow:0 0 0 3px rgba(31,78,107,.12)}
.field__hint{font-size:13px; color:var(--muted)}
.field select{appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7a8c' stroke-width='2.4' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; background-size:15px; padding-right:38px}
.fieldset{border:1px solid var(--line); border-radius:14px; padding:20px; margin:0}
.fieldset legend{padding:0 8px; font-size:14.5px; font-weight:650; color:var(--ink)}
.radio-row{display:flex; flex-wrap:wrap; gap:10px}
.radio-card{position:relative; flex:1 1 190px}
.radio-card input{position:absolute; opacity:0; width:0; height:0}
.radio-card span{display:block; padding:13px 16px; border:1px solid var(--line); border-radius:11px; cursor:pointer; font-size:15.5px; font-weight:550; color:var(--ink-2); transition:.15s; line-height:1.35}
.radio-card span small{display:block; font-weight:400; color:var(--muted); font-size:13px; margin-top:2px}
.radio-card input:checked+span{border-color:var(--accent); background:var(--accent-soft); color:var(--ink); box-shadow:0 0 0 1px var(--accent)}
.radio-card input:focus-visible+span{outline:2px solid var(--accent); outline-offset:2px}
.check-row{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px}
.check{display:flex; align-items:flex-start; gap:10px; padding:12px 14px; border:1px solid var(--line); border-radius:11px; cursor:pointer; font-size:15.5px; color:var(--ink-2); transition:.15s; line-height:1.4}
.check:hover{border-color:#cbd4de}
.check input{width:18px; height:18px; margin:2px 0 0; accent-color:var(--accent); flex:none}
.check:has(input:checked){border-color:var(--accent); background:var(--accent-soft)}
.hp{position:absolute!important; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
  clip:rect(0 0 0 0); clip-path:inset(50%); pointer-events:none}
.check--consent{margin-top:18px; align-items:flex-start; border-color:var(--line)}
.check--consent span{font-size:14.5px; line-height:1.5}
.form__foot{display:flex; flex-wrap:wrap; align-items:center; gap:16px; margin-top:24px}
.form__foot [hidden]{display:none}
.form__policy{font-size:13px; color:var(--muted); max-width:440px; line-height:1.5}
.form__status{margin-top:16px; padding:14px 18px; border-radius:11px; font-size:15px; display:none}
.form__status.is-ok{display:block; background:#eaf6f0; color:#175f41; border:1px solid #bfe3d1}
.form__status.is-err{display:block; background:#fdeeeb; color:#9b3320; border:1px solid #f3cdc4}

/* блок расчёта плотности */
.calc-out{background:var(--bg-soft); border:1px solid var(--line); border-radius:14px; padding:20px 22px; margin-top:20px}
.calc-out__row{display:flex; flex-wrap:wrap; gap:14px 34px; margin-bottom:12px}
.calc-out__cell b{display:block; font-size:12.5px; text-transform:uppercase; letter-spacing:.07em; color:var(--muted); font-weight:650; margin-bottom:2px}
.calc-out__cell span{font-size:20px; font-weight:650; color:var(--ink); letter-spacing:-.02em}
.calc-out p{margin:0; font-size:14.5px; color:var(--muted)}


/* --- 14a. Форма в два шага ------------------------------------------------ */
.step{border:0; padding:0; margin:0; min-width:0}
.step__title{padding:0; margin:0 0 18px; font-size:19px; font-weight:650; color:var(--ink);
  letter-spacing:-.01em}
.form:not(.is-stepped) .step + .step{margin-top:30px; padding-top:26px; border-top:1px solid var(--line)}
.form:not(.is-stepped) .steps-bar{display:none}

.steps-bar{display:flex; align-items:center; gap:14px; margin-bottom:22px}
.steps-bar__now{font-size:13.5px; font-weight:600; color:var(--muted); white-space:nowrap}
.steps-bar__now b{color:var(--accent)}
.steps-bar__track{flex:1; height:4px; border-radius:4px; background:var(--line); overflow:hidden}
.steps-bar__track i{display:block; height:100%; width:50%; border-radius:4px;
  background:var(--accent); transition:width .25s ease}

.more{margin-top:22px; border:1px solid var(--line); border-radius:12px; padding:14px 18px}
.more > summary{cursor:pointer; font-size:15.5px; font-weight:600; color:var(--steel); list-style:none}
.more > summary::-webkit-details-marker{display:none}
.more > summary::before{content:"+ "; font-weight:700}
.more[open] > summary::before{content:"− "}
.more > summary:hover{color:var(--accent)}

.form__restored{margin:0 0 20px; padding:12px 16px; border-radius:10px; background:var(--steel-soft);
  color:var(--ink-2); font-size:14.5px; line-height:1.5}
.form__back{margin-right:auto}

/* --- 15. CTA-полоса ------------------------------------------------------ */
.cta{background:var(--bg-deep); color:#a9b8c8; border-radius:var(--radius-l); padding:clamp(30px,4vw,52px);
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:26px 28px;
  position:relative; overflow:hidden}
.cta::before{content:""; position:absolute; inset:0; background:radial-gradient(600px 300px at 88% 20%, rgba(200,69,44,.28), transparent 65%)}
.cta>*{position:relative}
.cta__text{flex:1 1 340px; min-width:0}
.cta h2{color:#fff; margin-bottom:10px; font-size:clamp(23px,2.4vw,32px)}
.cta p{margin:0; max-width:620px; font-size:16.5px}
.cta__actions{display:flex; flex-wrap:wrap; gap:12px; flex:0 1 auto}

/* --- 16. Хлебные крошки -------------------------------------------------- */
.crumbs{padding:14px 0; font-size:13.5px; color:var(--muted); border-bottom:1px solid var(--line-2)}
.crumbs ol{list-style:none; display:flex; flex-wrap:wrap; gap:8px; margin:0; padding:0}
.crumbs li{margin:0; display:flex; gap:8px; align-items:center}
.crumbs li+li::before{content:"/"; color:#c3ccd6}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs [aria-current]{color:var(--ink-2)}
.hero--page+.crumbs{border-bottom:none}

/* --- 17. Подвал ---------------------------------------------------------- */
.footer{background:var(--bg-deep); color:#8ea0b3; padding:clamp(48px,6vw,72px) 0 32px; font-size:15px}
.footer a{color:#c2cfdb}
.footer a:hover{color:#fff}
.footer__top{display:grid; grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr)); gap:32px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.1)}
.footer a.footer__logo{color:#fff}
.footer__logo .logo__name{color:#fff}
.footer__logo .logo__sub{color:#7d8fa2}
.footer__about{margin:18px 0 0; max-width:330px; font-size:14.5px; line-height:1.6; color:#8ea0b3}
.footer h4{color:#fff; font-size:14px; letter-spacing:.07em; text-transform:uppercase; margin-bottom:16px}
.footer ul{list-style:none; margin:0; padding:0; display:grid; gap:10px}
.footer li{margin:0; font-size:14.5px}
.footer__bottom{display:flex; flex-wrap:wrap; gap:12px 28px; justify-content:space-between; padding-top:26px; font-size:13.5px; color:#6f8296}
.footer__msgs{display:flex; gap:10px; margin-top:20px}
.footer__msgs a{width:40px; height:40px; border-radius:11px; background:rgba(255,255,255,.08); display:flex; align-items:center; justify-content:center; color:#fff; transition:.15s}
.footer__msgs a:hover{background:var(--accent)}
.footer__msgs svg{width:19px; height:19px}

/* --- 17a. Баннер согласия на cookies -------------------------------------- */
.cookie{position:fixed; left:16px; right:16px; bottom:16px; z-index:90; display:flex;
  flex-wrap:wrap; align-items:center; gap:14px 20px; max-width:900px; margin:0 auto;
  padding:18px 22px; background:#fff; border:1px solid var(--line);
  border-radius:var(--radius); box-shadow:var(--shadow-l)}
.cookie__text{flex:1 1 380px; font-size:14.5px; line-height:1.55; color:var(--body)}
.cookie__actions{display:flex; flex-wrap:wrap; gap:10px}
@media (max-width:1000px){.cookie{bottom:82px}}

/* --- 18. Плавающие действия (мобильные) ---------------------------------- */
.dock{display:none; position:fixed; left:0; right:0; bottom:0; z-index:70; background:rgba(255,255,255,.96); backdrop-filter:blur(10px); border-top:1px solid var(--line); padding:10px 14px calc(10px + env(safe-area-inset-bottom)); gap:10px}
.dock .btn{flex:1}

/* --- 19. Адаптив --------------------------------------------------------- */
@media (max-width:1180px){
  /* длинное название компании в шапке — освобождаем место */
  .logo__sub{display:none}
  .logo__name{font-size:16px}
  .header__in{gap:18px}
  .nav__link{padding:9px 8px; font-size:15px}
}
@media (max-width:1140px){
  .header__phone{display:none}
}
@media (max-width:1080px){
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__top{grid-template-columns:repeat(2,minmax(0,1fr)); gap:36px}
}
@media (max-width:1000px){
  :root{--header-h:66px}
  .nav{display:none}
  .burger{display:flex}
  .header__phone{display:none}
  .header__cta .btn{display:none}
  .hero__in,.hero--page .hero__in,.split,.split--wide-l,.split--wide-r,.geo,.compare,.steps--2col{grid-template-columns:minmax(0,1fr)}
  .grid--3,.docs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3>:last-child:nth-child(3n+1),
  .grid--3>:nth-last-child(2):nth-child(3n+1){grid-column:auto}
  .grid--3>:last-child:nth-child(odd){grid-column:span 2}
  .cta{grid-template-columns:minmax(0,1fr)}
  .photo-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  /* мобильное меню */
  /* Шапка использует backdrop-filter и потому сама становится содержащим блоком
     для fixed-потомков — меню позиционируем абсолютно относительно неё. */
  .nav.is-open{display:block; position:absolute; top:100%; left:0; right:0; margin:0;
    max-height:calc(100vh - var(--header-h)); overflow-y:auto; overscroll-behavior:contain;
    background:#fff; border-bottom:1px solid var(--line); box-shadow:var(--shadow-m);
    padding:12px var(--gut) 28px}
  .nav.is-open .nav__list{flex-direction:column; align-items:stretch; gap:2px}
  .nav.is-open .nav__link{padding:14px 8px; font-size:17px; border-bottom:1px solid var(--line-2); border-radius:0; justify-content:space-between}
  .nav.is-open .nav__drop{position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; border:0; padding:4px 0 10px 8px; min-width:0; display:none}
  .nav.is-open .nav__item.is-open .nav__drop{display:block}
  .nav.is-open .nav__item.is-open .nav__caret{transform:rotate(180deg)}
  .nav.is-open .nav__drop a{padding:11px 12px; font-size:15.5px; border-left:2px solid var(--line)}
  .nav.is-open .nav__item--mobile{display:block; margin-top:14px}
  .nav.is-open .nav__item--mobile .nav__link{border-bottom:0; font-weight:650}
  .dock{display:flex}
  body{padding-bottom:72px}
}
@media (max-width:640px){
  :root{--gut:18px}
  body{font-size:16.5px}
  .grid--2,.grid--3,.grid--4,.checks--2,.check-row,.form__grid,.form__grid--3,.photo-row,.docs{grid-template-columns:minmax(0,1fr)}
  .grid--3>*{grid-column:auto!important}
  .card{padding:22px}
  .hero__facts{gap:14px 22px}
  .steps__item{grid-template-columns:44px 1fr; gap:16px}
  .steps__num{width:44px; height:44px; border-radius:13px; font-size:17px}
  .steps__item::before{left:21px; top:38px}
  .acc__a{padding-right:0}
  .footer__top{grid-template-columns:minmax(0,1fr); gap:28px}
  .compare__col .btn{align-self:stretch}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important; transition:none!important; scroll-behavior:auto!important}
}
@media print{
  .header,.dock,.cta,.footer__msgs{display:none}
}