/* ================= СЖК — светлая, «воздушная» тема ================= */
:root{
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --surface-2:#EEF4F6;
  --ink:#0F2A44;
  --ink-2:#3C5368;
  --muted:#6B7F90;
  --line:#DFE8ED;
  --brand:#0E7490;
  --brand-2:#14B8A6;
  --brand-soft:#E3F5F3;
  --accent:#F59E0B;
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(15,42,68,.04),0 8px 24px rgba(15,42,68,.06);
  --shadow-lg:0 20px 50px rgba(15,42,68,.12);
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.55;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3{line-height:1.12;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(34px,5vw,58px);font-weight:800}
h2{font-size:clamp(28px,3.4vw,42px);font-weight:800}
h3{font-size:20px;font-weight:700}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.center{text-align:center;margin-top:28px}
.container{width:min(1200px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:100;background:#fff;padding:8px 12px;border-radius:8px}
.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.accent{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin-bottom:10px}
:focus-visible{outline:3px solid rgba(20,184,166,.45);outline-offset:2px;border-radius:8px}

/* Кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;font-weight:700;padding:12px 22px;transition:.2s transform,.2s box-shadow,.2s background;white-space:nowrap}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--lg{padding:16px 28px;font-size:16px}
.btn--block{width:100%}
.btn--primary{background:linear-gradient(135deg,var(--brand-2),var(--brand));color:#fff;box-shadow:0 8px 20px rgba(14,116,144,.25)}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(14,116,144,.32)}
.btn--ghost{background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn--ghost:hover{box-shadow:inset 0 0 0 1.5px var(--brand-2)}

/* Шапка */
.header{position:sticky;top:0;z-index:50;background:rgba(245,248,250,.85);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent;transition:.2s}
.header.is-scrolled{border-color:var(--line);background:rgba(255,255,255,.9)}
.header__row{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo__mark{width:44px;height:44px}
.logo__text{display:flex;flex-direction:column;gap:3px}
.logo__word{height:26px;width:auto;color:var(--ink)}
.logo__sub{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.02em}
.nav{display:flex;gap:26px;margin-inline:auto}
.nav a{font-weight:600;font-size:15px;color:var(--ink-2);transition:.15s}
.nav a:hover{color:var(--brand)}
.header__actions{display:flex;align-items:center;gap:16px}
.burger{display:none;width:44px;height:44px;border:0;border-radius:12px;background:var(--surface);box-shadow:inset 0 0 0 1.5px var(--line);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{padding:56px 0 40px;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);padding:8px 14px;border-radius:999px;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:22px}
.pill__dot{width:8px;height:8px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(20,184,166,.18)}
.hero__lead{font-size:19px;color:var(--ink-2);max-width:560px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 36px}
.hero__stats{display:flex;gap:36px;list-style:none;padding:0;margin:0}
.hero__stats b{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em}
.hero__stats span{font-size:14px;color:var(--muted)}
.hero__visual{position:relative;min-height:440px;display:flex;align-items:center;justify-content:center}
.blob{position:absolute;border-radius:50%;filter:blur(2px)}
.blob--1{width:380px;height:380px;background:radial-gradient(circle at 30% 30%,#CFF4EE,#B6E3EE 70%);right:0;top:10px}
.blob--2{width:160px;height:160px;background:#FFE7BF;left:10px;bottom:20px}
.estimate-card{position:relative;width:min(380px,100%);background:var(--surface);border-radius:24px;padding:22px;box-shadow:var(--shadow-lg)}
.estimate-card__head{display:flex;gap:12px;align-items:center;margin-bottom:16px}
.estimate-card__head b{display:block}
.estimate-card__head small{color:var(--muted)}
.estimate-card__icon{width:42px;height:42px;border-radius:12px;background:var(--brand-soft);display:grid;place-items:center}
.estimate-card__icon svg{width:22px;height:22px;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.estimate-card ul{list-style:none;margin:0;padding:0}
.estimate-card li{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px dashed var(--line);font-size:14px}
.estimate-card li b{white-space:nowrap}

/* Секции */
.section{padding:88px 0}
.section--tight{padding:8px 0 24px}
.section--alt{background:var(--surface)}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:32px}
.section__head p{max-width:620px;margin:0}
.section__head--center{flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:0}

/* Карточки категорий */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat{position:relative;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;font:inherit;text-align:left;border:0;background:var(--surface);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.25s;overflow:hidden;color:inherit}
.cat:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.cat__icon{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;background:var(--brand-soft)}
.cat__icon svg{width:28px;height:28px;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cat h3{margin-bottom:6px}
.cat p{color:var(--muted);font-size:14px;margin-bottom:18px;flex:1}
.cat__meta{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:700}
.cat__meta span{color:var(--brand)}
.cat__arrow{width:36px;height:36px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;transition:.2s}
.cat:hover .cat__arrow{background:var(--brand);color:#fff}

/* Каталог */
.search{display:flex;align-items:center;gap:10px;background:var(--surface);border:1.5px solid var(--line);border-radius:999px;padding:0 18px;min-width:340px;height:52px;transition:.2s}
.search:focus-within{border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(20,184,166,.12)}
.search .i{color:var(--muted)}
.search input{border:0;outline:0;background:none;font:inherit;width:100%;color:var(--ink)}
.catalog{background:var(--surface);border-radius:28px;box-shadow:var(--shadow);padding:10px 10px 18px}
.tabs{display:flex;gap:6px;padding:6px;background:var(--surface-2);border-radius:20px;overflow-x:auto;scrollbar-width:none}
.tab{flex:1;border:0;background:none;border-radius:14px;padding:14px 18px;font-weight:700;color:var(--ink-2);white-space:nowrap;display:flex;align-items:center;justify-content:center;gap:8px}
.tab small{font-weight:600;color:var(--muted);font-size:12px;background:var(--surface);padding:2px 8px;border-radius:999px}
.tab[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.tab[aria-selected="true"] small{background:var(--brand-soft);color:var(--brand)}
.chips{display:flex;gap:8px;flex-wrap:wrap;padding:18px 14px 6px}
.chip{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-size:14px;font-weight:600;color:var(--ink-2);transition:.15s}
.chip:hover{border-color:var(--brand-2)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.price-list{padding:0 14px}
.group{margin-top:22px}
.group__title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--brand);margin:0 0 6px;padding-bottom:10px;border-bottom:2px solid var(--brand-soft)}
.group__title small{color:var(--muted);font-weight:600;text-transform:none;letter-spacing:0}
.row{display:grid;grid-template-columns:1fr 150px 130px;gap:16px;align-items:center;padding:13px 4px;border-bottom:1px solid var(--line);transition:.15s}
.row:hover{background:linear-gradient(90deg,transparent,var(--brand-soft) 40%,transparent)}
.row__name{font-weight:500}
.row__name mark{background:#FFF1C9;color:inherit;border-radius:4px;padding:0 2px}
.row__cat{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.row__unit{color:var(--muted);font-size:14px}
.row__price{font-weight:800;text-align:right;white-space:nowrap}
.empty{padding:48px 0;text-align:center;color:var(--muted)}

/* Шаги */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{position:relative;background:var(--bg);border-radius:var(--radius);padding:28px 24px}
.step__n{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--brand-2),var(--brand));color:#fff;font-weight:800;font-size:18px;margin-bottom:18px}
.step p{color:var(--ink-2);margin:0;font-size:15px}
.step:not(:last-child)::after{content:"";position:absolute;top:50px;right:-14px;width:8px;height:8px;border-top:2px solid var(--line);border-right:2px solid var(--line);transform:rotate(45deg)}

/* Общая информация */
.info{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.info__text p{color:var(--ink-2);font-size:17px;margin:0}
.info__list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.info__list li{display:flex;flex-direction:column;gap:2px;background:var(--surface);border-radius:var(--radius-sm);padding:18px 22px 18px 58px;box-shadow:var(--shadow);position:relative}
.info__list li::before{content:"";position:absolute;left:20px;top:20px;width:22px;height:22px;border-radius:7px;background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E7490' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/14px no-repeat}
.info__list b{font-size:16px}
.info__list span{color:var(--muted);font-size:14px}

/* Контакты: почта */
.mailbox{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;background:linear-gradient(135deg,#0F2A44,#0E5B73);color:#fff;border-radius:28px;padding:48px}
.mailbox .eyebrow{color:#5EEAD4}
.mailbox h2{margin-bottom:12px}
.mailbox .muted{color:rgba(255,255,255,.75);margin:0;font-size:17px}
.mailbox__action{display:flex;flex-direction:column;align-items:flex-start;gap:12px;min-width:0}
.mailbox__email{display:block;max-width:100%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:16px 20px}
.mailbox__email .js-email{font-family:var(--font);font-size:clamp(22px,2.6vw,32px);font-weight:800;color:#fff}
.mailbox__hint{font-size:14px;color:rgba(255,255,255,.7)}

/* Новости */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{display:flex;flex-direction:column;background:var(--bg);border-radius:var(--radius);padding:24px;transition:.2s;min-height:210px}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);background:var(--surface)}
.news-card__top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;font-size:13px;color:var(--muted)}
.tag{display:inline-block;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:12px;padding:4px 10px;border-radius:999px}
.news-card h3{font-size:17px;line-height:1.35;font-weight:700;margin-bottom:auto}
.news-card__src{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:13px;font-weight:600;color:var(--ink-2)}
.news-card__src .i{width:16px;height:16px;color:var(--brand)}
.news-card--lead{grid-column:span 2;background:linear-gradient(135deg,#0F2A44,#0E5B73);color:#fff}
.news-card--lead:hover{background:linear-gradient(135deg,#0F2A44,#0E5B73)}
.news-card--lead h3{font-size:24px}
.news-card--lead .news-card__top,.news-card--lead .news-card__src{color:rgba(255,255,255,.75)}
.news-card--lead .tag{background:rgba(255,255,255,.14);color:#fff}
.news-card--lead .news-card__src .i{color:#5EEAD4}

/* Подвал */
.footer{background:var(--ink);color:#C7D4DE;padding:56px 0 24px;margin-top:0}
.footer .muted{color:#8FA3B4;margin-top:14px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.footer__logo{height:auto}
.footer__col{display:flex;flex-direction:column;gap:8px;font-size:14px}
.footer__col b{color:#fff;margin-bottom:6px}
.footer__col a:hover{color:#5EEAD4}
.footer__mail{display:block;max-width:100%}
.footer__mail .js-email{font-family:var(--font);font-size:18px;font-weight:800;color:#fff}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;font-size:13px;color:#8FA3B4}

/* Анимация появления */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* Адаптив */
@media (max-width:1080px){
  .nav{gap:18px}.nav a{font-size:14px}
}
@media (max-width:960px){
  .burger{display:flex}
  .nav{position:fixed;inset:76px 0 auto 0;flex-direction:column;gap:0;background:#fff;padding:8px 16px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);transform:translateY(-120%);transition:.25s;margin:0}
  .nav.is-open{transform:none}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .header__actions{margin-left:auto}
  .hero__grid,.info,.mailbox{grid-template-columns:1fr;gap:32px}
  .hero__visual{min-height:380px}
  .cats{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step::after{display:none}
  .news{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .section__head{flex-direction:column;align-items:stretch}
  .search{min-width:0}
}
@media (max-width:640px){
  .header__row{height:64px;gap:12px}
  html{scroll-padding-top:72px}
  .nav{inset:64px 0 auto 0}
  .logo__mark{width:38px;height:38px}
  .logo__sub{display:none}
  .hero{padding:32px 0 24px}
  .hero__lead{font-size:17px}
  .hero__stats{gap:20px}
  .hero__stats b{font-size:24px}
  .hero__cta .btn{flex:1}
  .hero__visual{min-height:340px}
  .blob--1{width:280px;height:280px}
  .section{padding:60px 0}
  .catalog{border-radius:20px;padding:6px 4px 14px}
  .tab{padding:12px 14px;flex:none}
  .chips{flex-wrap:nowrap;overflow-x:auto;padding:14px 10px 4px;scrollbar-width:none}
  .chip{flex:none}
  .price-list{padding:0 10px}
  .row{grid-template-columns:1fr auto;gap:4px 12px;padding:12px 0}
  .row__name{grid-column:1/2}
  .row__unit{grid-column:1/2;grid-row:2;font-size:13px}
  .row__price{grid-column:2/3;grid-row:1/3}
  .steps,.news{grid-template-columns:1fr}
  .mailbox{padding:28px 22px;border-radius:22px}
  .hide-xs{display:none}
  .news-card--lead{grid-column:auto}
  .news-card--lead h3{font-size:20px}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column}
}

.hero__text{animation:rise .7s ease both}.hero__visual{animation:rise .7s .12s ease both}
@keyframes rise{from{opacity:0;transform:translateY(16px)}}


/* Почта картинкой: не выделяется, не копируется, не нажимается */
.js-email{display:inline-block;vertical-align:middle;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;line-height:0}
.js-email canvas{display:block;pointer-events:none}