/* =========================================================
   Водоточка — единая тема
   ========================================================= */
:root{
  --blue:#0b84f3;
  --blue-2:#075fc0;
  --blue-dark:#081a2e;
  --blue-deep:#09223f;
  --cyan:#06b6d4;

  --ink:#10233d;
  --muted:#64748b;
  --muted-2:#8ea5bd;

  --bg:#f5f8fc;
  --card:#ffffff;
  --line:#e5edf6;
  --line-2:#d6e0ea;

  --ok:#14754c;
  --ok-bg:#eaf9f1;
  --err:#b42318;
  --err-bg:#fff0f0;

  --shadow-sm:0 8px 25px rgba(15,43,78,.05);
  --shadow:0 18px 50px rgba(15,43,78,.10);
  --shadow-lg:0 30px 80px rgba(0,0,0,.35);

  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --radius-xl:28px;

  --bar-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  padding-bottom:calc(var(--bar-h) + env(safe-area-inset-bottom,0px));
}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit}

.container{width:min(1180px,calc(100% - 32px));margin-inline:auto}

/* ---------- Topbar ---------- */
.topbar{background:var(--blue-deep);color:#dbeafe;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;gap:16px;padding:9px 0}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(229,237,246,.8);
}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:8px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand-mark{
  width:44px;height:44px;flex:0 0 auto;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#fff;display:grid;place-items:center;font-size:22px;
  box-shadow:0 8px 20px rgba(11,132,243,.25);
}
.brand strong{font-size:18px;letter-spacing:.08em;display:block;line-height:1.15}
.brand small{display:block;color:var(--muted);font-size:11px}
.navlinks{display:flex;gap:24px;font-size:14px;color:#40546c}
.navlinks a{text-decoration:none}
.navlinks a:hover{color:var(--blue)}
.phone{display:flex;align-items:center;gap:10px;font-weight:800;text-decoration:none;white-space:nowrap}
.phone i{color:var(--blue)}

/* ---------- Buttons ---------- */
.btn{
  border:0;border-radius:var(--radius);padding:13px 20px;
  font-weight:800;cursor:pointer;text-decoration:none;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  transition:background .2s,transform .2s,box-shadow .2s;
  text-align:center;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 24px rgba(11,132,243,.24)}
.btn-primary:hover{background:var(--blue-2)}
.btn-light{background:#fff;color:#0a5da9}
.btn-light:hover{background:#eef6ff}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#071c35 0%,#0a3764 56%,#0b84f3 130%);
  color:#fff;padding:72px 0 66px;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  right:-180px;top:-230px;background:rgba(62,200,255,.18);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 11px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  border-radius:999px;font-size:13px;margin-bottom:18px;
}
.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.02;letter-spacing:-.04em;margin:0 0 20px}
.hero p{font-size:18px;color:#d9e9fa;max-width:700px;margin:0 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.trust{display:flex;gap:24px;flex-wrap:wrap;margin-top:30px;color:#d8e8f8;font-size:13px}
.trust span{display:flex;gap:8px;align-items:center}
.trust i{color:#65d7a5}

.hero-card{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  border-radius:26px;padding:24px;box-shadow:0 30px 70px rgba(0,0,0,.18);
}
.hero-card .mini{font-size:13px;color:#bcd2e8}
.hero-price{font-size:36px;font-weight:900;margin:7px 0 12px}
.hero-card ul{padding:0;margin:0;list-style:none}
.hero-card li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.12);display:flex;gap:10px}
.hero-card li:last-child{border:0}
.hero-card i{color:#7be0b3}

/* ---------- Stats ---------- */
.stats{margin-top:-28px;position:relative;z-index:5}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;
}
.stat{padding:22px 24px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border:0}
.stat b{display:block;font-size:25px}
.stat span{color:var(--muted);font-size:13px}

/* ---------- Sections ---------- */
.section{padding:72px 0}
.section-head{max-width:760px;margin:0 auto 34px;text-align:center}
.section-head .kicker{color:var(--blue);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:12px}
.section h2{font-size:clamp(30px,4vw,44px);line-height:1.1;margin:8px 0 12px}
.section-head p{color:var(--muted);margin:0}

/* ---------- Features ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}
.feature-icon{
  width:44px;height:44px;border-radius:var(--radius);
  background:#eaf5ff;color:var(--blue);display:grid;place-items:center;
  font-size:18px;margin-bottom:15px;
}
.feature h3{margin:0 0 6px}
.feature p{margin:0;color:var(--muted);font-size:14px}

/* =========================================================
   Калькулятор
   ========================================================= */
.calculator-wrap{background:transparent;border:0;box-shadow:none;padding:0}
.calculator-container{
  background:#fff;border-radius:var(--radius);box-shadow:0 4px 6px rgba(0,0,0,.08);
  padding:25px;position:relative;
}
.calculator-container > h2{font-size:1.65rem;margin:0 0 8px;color:#333}
.calculator-container > p{color:#555;margin:0}

/* Поиск */
.calculator-search{margin:20px 0 6px;padding:16px;background:#f8f9fa;border:1px solid #e8edf3;border-radius:var(--radius-sm)}
.calculator-search label{display:block;font-weight:700;margin-bottom:8px;color:#343a40}
.calculator-search-row{display:flex;gap:10px}
#service-search{
  width:100%;min-height:46px;padding:10px 13px;
  border:1px solid var(--line-2);border-radius:var(--radius-sm);
  font:inherit;background:#fff;outline:none;
}
#service-search:focus{border-color:#0066cc;box-shadow:0 0 0 3px rgba(0,102,204,.12)}
.search-clear{min-height:46px;padding:10px 18px;white-space:nowrap;background:#eef6ff;color:#0b66be}
.search-hint{font-size:12px;color:#6b7280;margin-top:7px}

/* Категории */
.service-category{margin-bottom:25px}
.accordion{
  background:#0066cc;color:#fff;border:0;border-radius:var(--radius-sm);
  padding:12px 15px;margin:20px 0 15px;font-size:1.1rem;
  display:flex;align-items:center;width:100%;text-align:left;cursor:pointer;
  transition:background .2s;
}
.accordion i{margin-right:10px}
.accordion:hover{background:#0055aa}
.accordion.active{background:#0055aa}
.panel{
  background:#fff;border:0;padding:0;overflow:hidden;
  max-height:0;transition:max-height .25s ease;
}

/* Позиции услуг */
.service-item{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 0;border-bottom:1px dashed #eee;gap:16px;
}
.service-info{flex:1;display:flex;align-items:flex-start;gap:10px;min-width:0}
.service-info input[type="checkbox"]{
  margin-top:4px;width:18px;height:18px;flex:0 0 auto;cursor:pointer;accent-color:#0066cc;
}
.service-info label{cursor:pointer;font-weight:500;font-size:.9rem;color:#333;line-height:1.45}
.service-controls{display:flex;align-items:center;flex:0 0 auto}
.quantity-input{
  width:64px;padding:6px 8px;border:1px solid #ccd8e5;border-radius:var(--radius-sm);
  text-align:center;font-size:.9rem;outline:none;
}
.quantity-input:focus{border-color:#0066cc;box-shadow:0 0 0 3px rgba(0,102,204,.12)}
.quantity-input:disabled{background:#f5f5f5;cursor:not-allowed}
.quantity-input.equipment-cost{width:100px}

.dotted-separator{border-top:2px dashed #ddd;margin:15px 0}

/* Особые условия */
.special-conditions{
  margin-top:30px;padding:15px;background:#f8f9fa;
  border-radius:var(--radius-sm);border-left:4px solid #0066cc;
}
.special-conditions h3{margin:0 0 12px;font-size:1.05rem}

/* Итог */
.result-container{
  text-align:center;margin-top:30px;padding:20px;
  background:#f8f9fa;border-radius:var(--radius-sm);border:1px solid #eee;
}
.total-cost{font-size:2rem;font-weight:700;color:#0066cc;margin:15px 0}
.result-container .notes{font-size:13px;color:var(--muted);margin:0}

/* Поиск: скрытие и подсветка */
.service-item.search-hidden,
.dotted-separator.search-hidden,
.service-category.search-hidden{display:none !important}
.service-item.search-hit{
  background:#f3f9ff;border-radius:6px;padding-left:8px;padding-right:8px;
  box-shadow:inset 3px 0 0 #0066cc;
}

/* ---------- Инфо-карточки / районы ---------- */
.after-calc{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}
.info-card h3{margin-top:0}
.info-card p,.info-card li{color:var(--muted);font-size:14px}
.districts{display:flex;flex-wrap:wrap;gap:8px}
.district{background:#f1f7fd;border:1px solid #dbeaf8;border-radius:999px;padding:7px 11px;font-size:13px}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;margin:10px 0;padding:0 18px}
.faq summary{cursor:pointer;padding:18px 0;font-weight:800;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--blue);font-weight:900}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);padding:0 0 18px;margin:0}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(135deg,var(--blue),var(--blue-2));
  color:#fff;border-radius:var(--radius-xl);padding:38px;
  display:flex;justify-content:space-between;gap:25px;align-items:center;
}
.cta h2{margin:0 0 6px}
.cta p{margin:0;color:#dceeff}

/* ---------- Footer ---------- */
footer{background:var(--blue-dark);color:#b9cbe0;padding:42px 0 24px;margin-top:60px}
footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
footer h3{color:#fff;margin-top:0}
footer a{color:#d9e8f7;text-decoration:none}
footer a:hover{color:#fff}
footer small{color:var(--muted-2)}

/* =========================================================
   Фиксированная нижняя панель
   ========================================================= */
.fixed-action-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:100;
  background:#fff;color:#343a40;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom,0px));
  box-shadow:0 -3px 10px rgba(0,0,0,.1);
  display:flex;justify-content:center;align-items:center;gap:12px;
}
.fixed-action-bar .total-display,
.fixed-action-bar .btn{
  height:48px;min-width:190px;display:flex;align-items:center;justify-content:center;
  border-radius:var(--radius-sm);font-weight:700;
}
.fixed-action-bar .total-display{background:#0066cc;color:#fff;padding:10px 20px}
.fixed-action-bar .price{margin-left:10px;font-size:1.15rem}

/* Кнопка «наверх» */
.scroll-top{
  position:fixed;right:20px;bottom:calc(var(--bar-h) + 20px);
  width:48px;height:48px;border:0;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;background:var(--blue);cursor:pointer;
  opacity:0;pointer-events:none;transition:.2s;z-index:90;
  box-shadow:0 12px 24px rgba(11,132,243,.28);
}
.scroll-top.visible{opacity:1;pointer-events:auto}

/* =========================================================
   Модальное окно
   ========================================================= */
.modal{
  display:none;position:fixed;inset:0;z-index:1000;
  align-items:center;justify-content:center;
  background:rgba(4,15,29,.76);backdrop-filter:blur(4px);padding:20px;
}
.modal[aria-hidden="false"]{display:flex}
.modal-content{
  position:relative;width:min(100%,520px);max-height:calc(100vh - 40px);
  overflow:auto;background:#fff;color:var(--ink);
  border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-lg);
}
.modal-content h2{margin:0 36px 8px 0;font-size:28px}
.modal-content > p{margin:0 0 20px}
.close-modal{
  position:absolute;right:18px;top:12px;width:38px;height:38px;
  border-radius:50%;display:grid;place-items:center;
  font-size:30px;line-height:1;color:var(--muted);
  cursor:pointer;background:#f1f5f9;border:0;
}
.close-modal:hover{background:#e2e8f0;color:var(--ink)}

#telegram-form{display:flex;flex-direction:column;gap:11px}
#telegram-form input:not([type=checkbox]),
#telegram-form textarea,
#telegram-form select{
  width:100%;border:1px solid var(--line-2);border-radius:10px;
  padding:13px 14px;background:#fff;color:var(--ink);font:inherit;outline:none;
}
#telegram-form input:not([type=checkbox]):focus,
#telegram-form textarea:focus,
#telegram-form select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,132,243,.12)}
#telegram-form textarea{resize:vertical;min-height:88px}
#telegram-form .address-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
#telegram-form label.consent-label{
  display:flex;gap:9px;align-items:flex-start;
  font-size:12px;line-height:1.45;color:var(--muted);margin-top:2px;
}
#telegram-form label.consent-label input{margin-top:3px;flex:0 0 auto;width:auto}
#telegram-form button{width:100%;border-radius:10px;height:48px}

.form-status{margin-top:12px;padding:10px 12px;border-radius:10px;font-size:14px}
.form-status.success{background:var(--ok-bg);color:var(--ok)}
.form-status.error{background:var(--err-bg);color:var(--err)}

/* =========================================================
   Адаптив
   ========================================================= */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-card{max-width:520px}
  .features{grid-template-columns:repeat(2,1fr)}
  .after-calc{grid-template-columns:1fr}
}

@media (max-width:900px){
  .navlinks{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .features{grid-template-columns:1fr}
  footer .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:768px){
  .service-item{flex-direction:column;align-items:stretch;gap:8px}
  .service-info{align-items:flex-start}
  .service-controls{justify-content:flex-end}
  .quantity-input{width:80px}
  .cta{flex-direction:column;align-items:flex-start;text-align:left}
}

@media (max-width:640px){
  :root{--bar-h:64px}

  .container{width:min(100% - 20px,1180px)}

  .topbar .container{justify-content:center;text-align:center}
  .topbar .container span:last-child{display:none}

  .nav{min-height:66px}
  .brand small{display:none}
  .phone{font-size:13px}

  .hero{padding:48px 0 54px}
  .hero p{font-size:16px}
  .hero-card{display:none}
  .hero-actions .btn{flex:1 1 100%}

  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{padding:16px 10px}
  .stat b{font-size:20px}

  .section{padding:52px 0}

  .calculator-container{padding:16px}
  .calculator-search-row{flex-direction:column}
  .search-clear{width:100%}
  .calculator-container > h2{font-size:1.3rem}

  .service-info label{font-size:.85rem}
  .total-cost{font-size:1.6rem}

  /* Нижняя панель: две равные кнопки */
  .fixed-action-bar{padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px));gap:8px}
  .fixed-action-bar .total-display{display:none}
  .fixed-action-bar .btn{min-width:0;flex:1;height:46px;font-size:13px;padding:10px 8px}

  /* Кнопка «наверх» над панелью */
  .scroll-top{right:14px;bottom:calc(var(--bar-h) + 14px);width:44px;height:44px}

  .after-calc{gap:12px}
  .info-card{padding:18px}

  .cta{padding:24px;border-radius:var(--radius-lg)}

  footer{padding:32px 0 20px}
  footer .footer-grid{grid-template-columns:1fr}

  .modal{padding:12px}
  .modal-content{padding:24px 18px;max-height:calc(100vh - 24px);border-radius:16px}
  .modal-content h2{font-size:24px}
}

@media (max-width:360px){
  .service-info label{font-size:.8rem}
  .quantity-input{width:70px}
}

/* =========================================================
   Мобильная шапка: телефон под названием сайта
   ========================================================= */
@media (max-width:640px){

  /* Шапка становится двухэтажной */
  .nav{
    flex-direction:column;
    align-items:stretch;
    justify-content:center;
    gap:4px;
    padding:10px 0;
    min-height:0;
  }

  /* Верхняя строка: логотип + название */
  .brand{
    width:100%;
    justify-content:flex-start;
  }

  /* Телефон — отдельной строкой под брендом */
  .phone{
    width:100%;
    justify-content:flex-start;
    padding-left:56px;        /* выравнивание по тексту названия: 44px логотип + 12px gap */
    font-size:15px;
    font-weight:800;
    color:var(--ink);
  }

  .phone i{
    font-size:14px;
  }
}