:root{--accent:#1464c8;--accent-dark:#0d4891;--white:#fff;--bg:#f6f9fb;--text:#20232a;--note:#0f172a;--telegram:#229ed9;--telegram-dark:#1684b5;--max:#2a3142;--max-dark:#111723;}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;font-family:'Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.45;scroll-behavior:smooth;}
a{color:var(--accent);text-decoration:none;}
a:hover{text-decoration:underline;}
a:focus-visible,button:focus-visible,.cta-btn:focus-visible,.contact-btn:focus-visible,.header-contact-number:focus-visible{outline:3px solid #8ab4ff;outline-offset:2px;}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;}
.skip-link:focus{position:static;width:auto;height:auto;padding:8px 12px;background:#fff;z-index:10000;}
.header{position:relative;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:16px 5vw;background:rgba(255,255,255,.94);box-shadow:0 2px 8px #e9edf5;}
.header-home{display:flex;align-items:center;gap:18px;color:inherit;text-decoration:none;}
.header-home:hover{text-decoration:none;}
.header-brand{display:flex;flex-direction:column;align-items:center;gap:4px;}
.brand-logo{height:64px;width:auto;image-rendering:auto;}
.brand-caption{text-transform:uppercase;font-size:.72rem;letter-spacing:.08em;color:#5a667a;margin-top:2px;}
.header-logo{font-size:2rem;font-weight:700;color:var(--accent);letter-spacing:2px;}
.header-contacts{display:flex;gap:14px;align-items:center;justify-content:flex-end;flex-wrap:wrap;}
.header-contact-number{display:inline-flex;align-items:center;min-height:48px;padding:0 6px;color:var(--note);font-size:1.08rem;font-weight:800;text-decoration:none;white-space:nowrap;}
.header-contact-number:hover{color:var(--accent-dark);text-decoration:none;}
.contact-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:999px;border:1px solid transparent;overflow:hidden;text-decoration:none;font-weight:700;line-height:1.2;box-shadow:0 10px 24px rgba(20,100,200,.14);transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;}
.contact-btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 14px 28px rgba(20,100,200,.18);}
.contact-btn::before{content:"";position:absolute;inset:-120% auto auto -40%;width:45%;height:320%;background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.32) 50%,rgba(255,255,255,0) 100%);transform:rotate(18deg);pointer-events:none;opacity:.8;}
.contact-btn-call{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 50%,#2f7fe4 100%);background-size:160% 160%;color:#fff;}
.contact-btn-call:hover{background:linear-gradient(135deg,#0f58b6 0%,#0a3f84 100%);color:#fff;}
.contact-btn-telegram{background:linear-gradient(135deg,var(--telegram) 0%,var(--telegram-dark) 55%,#49b4e4 100%);background-size:160% 160%;color:#fff;}
.contact-btn-telegram:hover{background:linear-gradient(135deg,#1f96cf 0%,#12739d 100%);color:#fff;}
.contact-btn-max{background:linear-gradient(135deg,var(--max) 0%,var(--max-dark) 55%,#43516f 100%);background-size:160% 160%;color:#fff;}
.contact-btn-max:hover{background:linear-gradient(135deg,#202739 0%,#0c1119 100%);color:#fff;}
.contact-btn-map{background:#fff;color:var(--accent);border-color:#d8e5f4;}
.contact-btn-map:hover{background:#eef4fb;color:var(--accent-dark);}
.hero{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:420px;text-align:center;background:url('img/zastavka-pk.webp') no-repeat center/cover;overflow:hidden;}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(8,42,92,.78) 0%,rgba(20,100,200,.58) 34%,rgba(20,100,200,.24) 58%,rgba(255,255,255,.04) 100%),linear-gradient(180deg,rgba(6,18,42,.14) 0%,rgba(6,18,42,.08) 100%);background-size:125% 125%,100% 100%;background-position:50% 50%,center;}
.hero-content{position:relative;z-index:2;color:#fff;padding:60px 10px 40px;width:100%;}
.hero-title{font-size:2.8rem;font-weight:900;margin-bottom:10px;text-shadow:0 2px 16px #12244490;}
.hero-subtitle{font-size:1.2rem;margin-bottom:28px;text-shadow:0 1px 8px #244177b3;}
.cta-btn{background:var(--accent);color:var(--white);padding:16px 36px;border:none;border-radius:10px;font-size:1.12rem;font-weight:700;cursor:pointer;box-shadow:0 2px 12px #2222;margin:10px 0 0;transition:background .18s;}
.cta-btn:hover{background:var(--accent-dark);}
.main{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
.section{padding:46px 0 36px;padding-left:16px;padding-right:16px;}
.section-title{font-size:2rem;font-weight:800;margin-bottom:28px;color:var(--accent);text-align:center;}
.adv-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:18px;}
.adv-item{background:var(--white);border-radius:16px;box-shadow:0 4px 18px #e7eaf1;padding:22px 18px;font-size:1.05rem;font-weight:600;}
.production-desc{font-size:1.05rem;line-height:1.7;max-width:900px;margin:0 auto;}
.production-desc ul{margin:8px 0 8px 18px;padding:0;font-size:1.02em;}
/* Галерея: на ПК 3 фото в ряд, на планшете 2, на телефоне 1 */
.gallery-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;justify-content:center;}
.gallery-link{display:block;}
.gallery-img{width:100%;height:auto;aspect-ratio:4/3;border-radius:16px;object-fit:cover;box-shadow:0 2px 12px #dadada;transition:transform .2s ease;}
.gallery-img:hover{transform:scale(1.01);}
.catalog-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:16px;}
.catalog-item{background:var(--white);border-radius:16px;box-shadow:0 2px 10px #e0e0e0;padding:24px 16px;font-size:1.03rem;}
.catalog-item b{color:var(--accent);text-shadow:0 3px 12px rgba(20,100,200,.18);}
.faq-list{max-width:780px;margin:0 auto;}
.faq-item{background:#fff;border-radius:14px;box-shadow:0 2px 10px #e4e7eb;padding:0 18px;margin-bottom:14px;}
.faq-item>summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none;}
.faq-item>summary::-webkit-details-marker{display:none;}
.faq-item>div{padding:0 0 16px 0;}
.reviews-block{background:#fafdff;border-radius:16px;box-shadow:0 4px 16px #e5eaf1;padding-left:16px;padding-right:16px;}
.yandex-reviews-iframe{width:100%;height:560px;border:1px solid #e6e6e6;border-radius:12px;box-sizing:border-box;}
.contacts-block{background:#fafdff;border-radius:16px;box-shadow:0 4px 16px #e5eaf1;}
.contacts-socials{margin-top:18px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.contacts-socials .contact-btn{min-width:220px;padding:14px 20px;font-size:1rem;}
.footer{background:var(--accent);color:var(--white);padding:36px 5vw 26px;border-radius:22px 22px 0 0;margin-top:40px;}
.footer-inner{display:flex;flex-wrap:wrap;gap:38px;align-items:center;justify-content:space-between;}
.footer-logo{font-size:1.38rem;font-weight:700;}
.footer-contacts{display:flex;flex-direction:column;gap:7px;}
.footer-socials a{color:var(--white);margin-right:14px;font-size:1.1rem;}
@media (max-width:980px){.hero-title{font-size:2.3rem;}.adv-list,.gallery-list{grid-template-columns:repeat(2,minmax(0,1fr));}}
/* Моб. фон героя — 600×635 */
@media (max-width:767px){.hero{min-height:320px;background-image:url('img/zastavka-mob.webp');background-position:center;background-size:cover;}.main{max-width:98vw;}.section{padding:32px 0 22px;}.gallery-list{grid-template-columns:1fr;}.gallery-img{width:100%;height:auto;aspect-ratio:260/195;}}
@media (max-width:600px){.header,.footer-inner,.header-home{flex-direction:column;gap:12px;align-items:center;justify-content:center;text-align:center;}.header-contacts{justify-content:center;}.header-contact-number{padding:0;}.footer-logo,.footer-contacts,.footer-socials,.footer-inner>div{text-align:center !important;width:100%;justify-content:center;align-items:center;}.brand-logo{height:56px;}.hero-content{padding:30px 6vw 20px;}.section-title{font-size:1.4rem;}.adv-list{grid-template-columns:1fr;}}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}}
/* Световое окно (увеличение фото) */
.lightbox{padding:0;border:none;border-radius:12px;background:transparent;}
.lightbox::backdrop{background:rgba(0,0,0,.7);}
.lightbox img{max-width:min(95vw,1200px);max-height:90vh;display:block;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.4);}
.lightbox-close{position:fixed;top:18px;right:24px;width:40px;height:40px;border:none;border-radius:50%;font-size:28px;font-weight:700;line-height:40px;text-align:center;background:#ffffff;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.3);}
.lightbox-close:hover{filter:brightness(.96);}
.reviews-widget{max-width:980px;margin:12px auto 0 auto;}
.yandex-reviews-iframe{width:100%;height:560px;border:1px solid #e6e6e6;border-radius:12px;box-sizing:border-box;}
.reviews-widget-frame{max-width:760px;margin:16px auto 0 auto;position:relative;overflow:hidden;}
.reviews-badge{display:flex;justify-content:center;margin:0 auto 18px auto;}
.reviews-badge iframe{border:0;display:block;}
.yandex-reviews-iframe-compact{height:620px;background:#fff;}
[id]{scroll-margin-top:28px;}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:14px 5vw;background:#fff;border-bottom:1px solid #e5ebf3;box-shadow:0 4px 12px rgba(20,100,200,.06);}
.anchor-nav a{display:inline-flex;align-items:center;padding:10px 16px;border-radius:999px;background:#eef4fb;color:var(--note);font-weight:700;text-decoration:none;}
.anchor-nav a:hover{background:#dce9f8;text-decoration:none;}
.hero-kicker{margin:0 0 10px;color:#e8f1ff;font-size:.95rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;}
.hero-badges{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:0 auto 24px;padding:0;max-width:780px;}
.hero-badges li{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(2px);padding:10px 14px;border-radius:999px;font-weight:600;}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-btn.cta-btn-secondary{background:transparent;border:2px solid #fff;color:#fff;}
.cta-btn.cta-btn-secondary:hover{background:#fff;color:var(--accent-dark);}
.adv-item strong{display:block;margin-bottom:8px;color:var(--accent);text-shadow:0 3px 12px rgba(20,100,200,.18);}
.about .section-title{max-width:920px;margin-left:auto;margin-right:auto;line-height:1.12;}
.about-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:34px;align-items:stretch;}
.about-layout p{margin:0 0 20px 0;}
.about-desc{display:grid;align-content:start;gap:18px;max-width:none;font-size:1.12rem;line-height:1.88;color:#233247;}
.about-desc p:last-child{margin-bottom:0;}
.about-desc strong{color:var(--note);}
.about-note{margin-top:4px;padding:22px 24px;border-radius:20px;background:linear-gradient(180deg,#f7fbff 0%,#eef5fc 100%);border:1px solid #dbe8f5;box-shadow:0 14px 30px rgba(20,100,200,.08);}
.about-note h3{margin:0 0 12px 0;font-size:1.04rem;line-height:1.35;color:var(--accent);text-shadow:0 3px 12px rgba(20,100,200,.18);}
.about-points{margin:0;padding:0;list-style:none;display:grid;gap:10px;}
.about-points li{position:relative;padding-left:28px;font-size:1rem;line-height:1.65;color:#304157;}
.about-points li::before{content:"";position:absolute;left:0;top:.6em;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(20,100,200,.12);}
.feature-list{margin:0;padding:0;list-style:none;display:grid;gap:14px;}
.feature-list li{display:flex;align-items:center;background:#fff;border:1px solid #edf2f7;border-radius:18px;box-shadow:0 12px 28px rgba(15,23,42,.08);padding:20px 22px;font-size:1.08rem;line-height:1.55;font-weight:700;}
.section-lead,.section-note{max-width:860px;margin:0 auto 22px auto;text-align:center;color:#425066;line-height:1.65;}
.section-note{margin-top:18px;margin-bottom:0;}
.use-cases-grid,.pricing-grid,.contact-grid,.standards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;}
.use-case-card,.pricing-card,.contact-card,.standard-card{background:#fff;border-radius:16px;box-shadow:0 4px 18px #e7eaf1;padding:22px 20px;}
.use-case-card h3,.pricing-card h3,.contact-card h3,.standard-card h3{margin:0 0 10px 0;font-size:1.12rem;color:var(--accent);text-shadow:0 3px 12px rgba(20,100,200,.18);}
.use-case-card p,.pricing-card p,.standard-card p{margin:0;line-height:1.65;}
.cta-inline{text-align:center;margin-top:18px;}
.pricing-note{max-width:900px;margin:18px auto 0 auto;background:#eef4fb;border-left:4px solid var(--accent);border-radius:12px;padding:16px 18px;line-height:1.65;color:#2f3c51;}
.steps-list{list-style:none;padding:0;margin:0;display:grid;gap:16px;}
.step-item{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start;background:#fff;border-radius:16px;box-shadow:0 4px 18px #e7eaf1;padding:20px;}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;font-size:1.1rem;}
.step-item h3{margin:0 0 8px 0;color:var(--accent);text-shadow:0 3px 12px rgba(20,100,200,.18);}
.step-item p{margin:0;line-height:1.65;}
.contact-list{margin:0;padding-left:18px;line-height:1.8;}
.contact-list li{margin-bottom:6px;}
.contact-address{font-style:normal;font-weight:700;line-height:1.6;margin-bottom:10px;}
.contact-text{margin:0 0 10px 0;line-height:1.65;}
.standards{padding-bottom:10px;}
@media (max-width:900px){.about-layout{grid-template-columns:1fr;}}
@media (min-width:1100px){.about .section-title{font-size:3rem;margin-bottom:36px;}.about-layout{grid-template-columns:minmax(0,1.08fr) minmax(420px,.92fr);gap:46px;}.about-desc{font-size:1.2rem;line-height:1.95;padding-top:10px;}.about-note{padding:24px 26px;}.about-note h3{font-size:1.08rem;}.about-points li{font-size:1.04rem;}.feature-list li{min-height:92px;padding:22px 24px;font-size:1.11rem;}}
@media (max-width:767px){.anchor-nav{padding-left:16px;padding-right:16px;}.hero-badges{gap:8px;}.hero-badges li{padding:8px 12px;font-size:.95rem;}.step-item{grid-template-columns:1fr;}.step-num{width:44px;height:44px;}.contact-grid,.use-cases-grid,.pricing-grid,.standards-grid{grid-template-columns:1fr;}.yandex-reviews-iframe-compact{height:560px;}}
@media (prefers-reduced-motion:no-preference){.hero-overlay{animation:heroGlow 14s ease-in-out infinite alternate;}.contact-btn::before{animation:buttonSheen 4.8s ease-in-out infinite;}.contact-btn-call,.contact-btn-telegram,.contact-btn-max{animation:gradientFlow 8s ease infinite;}.adv-item,.feature-list li,.about-note,.use-case-card,.pricing-card,.contact-card,.standard-card{transition:transform .24s ease,box-shadow .24s ease;}.adv-item:hover,.feature-list li:hover,.about-note:hover,.use-case-card:hover,.pricing-card:hover,.contact-card:hover,.standard-card:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(15,23,42,.1);}}
@keyframes gradientFlow{0%{background-position:0% 50%;}50%{background-position:100% 50%;}100%{background-position:0% 50%;}}
@keyframes buttonSheen{0%,18%{transform:translateX(-140%) rotate(18deg);}34%,100%{transform:translateX(360%) rotate(18deg);}}
@keyframes heroGlow{0%{background-position:50% 50%,center;filter:saturate(1);}100%{background-position:52% 48%,center;filter:saturate(1.06);}}

/* Хлебные крошки и локальная подготовка заявки */
.breadcrumbs{max-width:1200px;margin:0 auto;padding:14px 48px 0;color:#526177;font-size:.95rem;}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0;padding:0;list-style:none;}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:#91a0b5;}
.breadcrumbs a{color:var(--note);font-weight:700;text-decoration:none;}
.breadcrumbs a:hover{text-decoration:underline;}
.breadcrumbs [aria-current="page"]{color:#526177;}
.brief-section{margin-top:26px;background:linear-gradient(145deg,#fafdff 0%,#edf5ff 100%);border:1px solid #dce9f7;border-radius:20px;box-shadow:0 12px 32px rgba(20,100,200,.09);}
.brief-form{max-width:920px;margin:0 auto;}
.brief-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.brief-form label{display:grid;gap:7px;color:#26374e;font-weight:700;}
.brief-form input,.brief-form select,.brief-form textarea{width:100%;box-sizing:border-box;border:1px solid #bdcce0;border-radius:10px;background:#fff;color:#172438;padding:12px 14px;font:inherit;line-height:1.35;}
.brief-form input:focus,.brief-form select:focus,.brief-form textarea:focus{outline:3px solid rgba(20,100,200,.2);border-color:var(--accent);}
.brief-comment{margin-top:16px;}
.brief-submit{display:block;margin:20px auto 0;}
.brief-result{margin-top:22px;padding:20px;border-radius:16px;background:#fff;border:1px solid #dce6f1;}
.brief-result[hidden]{display:none;}
.brief-output{min-height:190px;resize:vertical;}
.brief-status{min-height:1.5em;margin:10px 0;color:#334761;}
.brief-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.brief-actions .contact-btn{min-width:160px;justify-content:center;border:0;cursor:pointer;font-size:.96rem;}
.brief-copy{background:linear-gradient(135deg,#43566f,#26384f);color:#fff;}
@media (max-width:767px){.breadcrumbs{padding:12px 16px 0;}.brief-grid{grid-template-columns:1fr;}.brief-section{margin-top:18px;}.brief-actions{display:grid;grid-template-columns:1fr;}.brief-actions .contact-btn{width:100%;box-sizing:border-box;}}

/* Управляемая вариативность городских страниц */
.city-variant{position:relative;margin-top:22px;background:linear-gradient(155deg,#fff 0%,#f3f8fe 100%);border:1px solid #dfeaf6;border-radius:20px;box-shadow:0 12px 32px rgba(20,100,200,.08);overflow:hidden;}
.city-variant::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--accent),#22b7db,#273c75);}
.city-facts-grid,.city-projects-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.city-fact-card,.city-project-card{background:#fff;border:1px solid #e3ebf4;border-radius:16px;padding:21px 19px;box-shadow:0 8px 22px rgba(25,57,91,.07);}
.city-fact-card h3,.city-fact-card h4,.city-project-card h4,.city-verified-block h3,.city-related h3{margin:0 0 10px;color:var(--accent);line-height:1.35;}
.city-fact-card p,.city-project-card p,.city-verified-block p{margin:0;line-height:1.65;color:#34445a;}
.city-project-card img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:12px;margin-bottom:14px;}
.city-verified-block{margin-top:22px;padding:20px;border:1px solid #cfe5da;border-left:5px solid #1e9461;border-radius:14px;background:#f5fcf8;}
.city-verified-block ul{margin:12px 0 0;padding-left:20px;line-height:1.7;}
.city-price{font-size:1.2rem;font-weight:800;color:#176c4a !important;margin-top:10px !important;}
.city-local-faq .faq-item{box-shadow:none;border:1px solid #dce8e2;}
.city-cta-panel{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:24px;padding:22px 24px;border-radius:16px;background:linear-gradient(135deg,#112b4e,#1766a5);color:#fff;}
.city-cta-panel p{max-width:620px;margin:0;line-height:1.65;font-weight:600;}
.city-cta-panel .cta-btn{flex:0 0 auto;margin:0;text-align:center;text-decoration:none;}
.city-related{margin-top:24px;padding:20px;border-radius:16px;background:#eef5fc;}
.city-related ul{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none;}
.city-related a{display:inline-flex;padding:10px 14px;border:1px solid #cadcf0;border-radius:999px;background:#fff;color:var(--note);font-weight:700;text-decoration:none;}
.city-related a:hover{border-color:var(--accent);background:#f8fbff;}
@media (max-width:900px){.city-facts-grid,.city-projects-grid{grid-template-columns:1fr;}.city-cta-panel{align-items:stretch;flex-direction:column;}.city-cta-panel .cta-btn{width:100%;box-sizing:border-box;}.city-related ul{display:grid;grid-template-columns:1fr;}.city-related a{justify-content:center;text-align:center;}}