/* ==========================================================================
   Кредит Авто Сервис — основной файл стилей
   ========================================================================== */

:root{
    --c-bg:#fff; --c-bg-soft:#f6f8fc; --c-bg-soft-2:#eef2f9;
    --c-text:#0f172a; --c-muted:#64748b; --c-line:#e2e8f0;
    --c-primary:#2563eb; --c-primary-d:#1d4ed8;
    --c-accent:#ef4444; --c-green:#16a34a;
    --radius-sm:10px; --radius:16px; --radius-lg:24px;
    --shadow-sm:0 1px 2px rgba(15,23,42,.06);
    --shadow:0 10px 30px -10px rgba(15,23,42,.12);
    --shadow-lg:0 25px 60px -25px rgba(15,23,42,.22);
    --container:1180px;
    --gradient:linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);
    --gradient-accent:linear-gradient(135deg,#ef4444 0%,#f97316 100%);
}

/* ===== Base ===== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{
    overflow-x:hidden;
    max-width:100%;
}
body{
    margin:0;
    font-family:'Inter',system-ui,-apple-system,sans-serif;
    color:var(--c-text);
    background:var(--c-bg);
    line-height:1.6;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Manrope','Inter',sans-serif;margin:0 0 .5em;line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(28px,4vw,52px);font-weight:800}
h2{font-size:clamp(24px,3vw,38px);font-weight:800}
h3{font-size:clamp(18px,2vw,24px);font-weight:700}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--c-primary)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-sm{padding:50px 0}
.section-soft{background:var(--c-bg-soft)}
.eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;
    color:var(--c-primary);margin-bottom:16px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--c-primary);border-radius:2px}
.lead{font-size:clamp(15px,1.6vw,18px);color:var(--c-muted);max-width:600px}

/* ===== Buttons ===== */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    padding:14px 26px;border-radius:999px;border:1px solid transparent;
    font-family:inherit;font-weight:700;font-size:15px;cursor:pointer;
    transition:transform .15s,box-shadow .2s,background .2s,color .2s;
    white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--gradient-accent);color:#fff;box-shadow:0 10px 25px -10px rgba(239,68,68,.6)}
.btn-primary:hover{color:#fff;box-shadow:0 14px 30px -10px rgba(239,68,68,.75)}
.btn-outline{background:transparent;color:var(--c-text);border-color:var(--c-line)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-blue{background:var(--gradient);color:#fff;box-shadow:0 10px 25px -10px rgba(37,99,235,.6)}
.btn-blue:hover{color:#fff}
.btn-lg{padding:16px 34px;font-size:16px}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
    position:sticky;top:0;z-index:100;
    background:rgba(255,255,255,.95);
    border-bottom:1px solid var(--c-line);
}
.header-main{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:80px;
}

.logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:6px 12px;
    border-radius:12px;
    background:#fff;
    border:1px solid var(--c-line);
    box-shadow:var(--shadow-sm);
    flex:0 0 auto;
    transition:box-shadow .2s,transform .15s;
}
.logo:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.logo img{
    height:40px;
    width:auto;
    max-width:150px;
    object-fit:contain;
}

.site-nav{
    display:flex;
    align-items:center;
    gap:6px;
    flex:1 1 auto;
    justify-content:center;
}
.site-nav a{
    padding:8px 14px;
    border-radius:999px;
    font-weight:600;
    font-size:14.5px;
    color:var(--c-muted);
    transition:color .2s,background .2s;
}
.site-nav a:hover{color:var(--c-primary);background:var(--c-bg-soft)}
.site-nav a:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

.header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
}

.city-chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:8px 14px;
    border-radius:999px;
    background:var(--c-bg-soft);
    font-size:13.5px;
    font-weight:600;
    color:var(--c-text);
    cursor:pointer;
    border:1px solid transparent;
    transition:.2s;
    max-width:170px;
    font-family:inherit;
}
.city-chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:#fff}
.city-chip span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.city-chip svg{width:14px;height:14px;flex:0 0 auto}

.header-phone{
    display:inline-flex;
    flex-direction:column;
    line-height:1.15;
    padding:6px 12px;
    border-radius:12px;
    transition:background .2s;
}
.header-phone:hover{background:var(--c-bg-soft)}
.header-phone-label{
    font-size:11px;
    font-weight:600;
    color:var(--c-muted);
    text-transform:uppercase;
    letter-spacing:.04em;
}
.header-phone-number{
    font-family:'Manrope',sans-serif;
    font-weight:800;
    font-size:16px;
    color:var(--c-text);
    white-space:nowrap;
}
.header-phone a, .header-phone:hover .header-phone-number{color:var(--c-text)}

.header-actions .btn{padding:11px 20px;font-size:14px}
.header-actions .btn-primary{box-shadow:0 8px 20px -8px rgba(239,68,68,.6)}

/* ==========================================================================
   МОБИЛЬНОЕ МЕНЮ НА DETAILS
   ========================================================================== */
.mobile-burger-details {
    display: none;
}

.mobile-burger-details summary {
    list-style: none;
    cursor: pointer;
}
.mobile-burger-details summary::-webkit-details-marker {
    display: none;
}

.mobile-burger-details .header-burger {
    display: flex;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--c-line);
    background: #fff;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}
.mobile-burger-details .header-burger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: transform 0.25s, opacity 0.2s;
}

.mobile-burger-details[open] .header-burger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-burger-details[open] .header-burger span:nth-child(2) {
    opacity: 0;
}
.mobile-burger-details[open] .header-burger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-burger-details .mobile-menu {
    position: fixed;
    top: 80px;
    right: 0;
    bottom: 0;
    width: min(360px, 100%);
    background: #fff;
    border-left: 1px solid var(--c-line);
    box-shadow: -10px 0 30px rgba(15,23,42,.15);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    z-index: 9999;
    overflow-y: auto;
}

.mobile-menu-nav{display:flex;flex-direction:column;gap:4px}
.mobile-menu-nav a{
    padding:12px 14px;
    border-radius:10px;
    font-weight:600;
    font-size:15.5px;
    color:var(--c-text);
    transition:background .2s,color .2s;
}
.mobile-menu-nav a:hover{background:var(--c-bg-soft);color:var(--c-primary)}

.mobile-menu-actions{
    display:flex;
    flex-direction:column;
    gap:10px;
    padding-top:20px;
    border-top:1px solid var(--c-line);
}
.mobile-menu-actions .city-chip{max-width:none;justify-content:center;width:100%}
.mobile-menu-actions .btn{width:100%}
.mobile-menu-phone{
    display:block;
    text-align:center;
    padding:10px;
    font-family:'Manrope',sans-serif;
    font-weight:800;
    font-size:20px;
    color:var(--c-text);
    border-radius:12px;
    transition:background .2s;
}
.mobile-menu-phone:hover{background:var(--c-bg-soft);color:var(--c-text)}

/* ===== Hero ===== */
.hero{
    position:relative;overflow:hidden;padding:90px 0 100px;
    background:
        radial-gradient(1200px 600px at 90% -10%,rgba(124,58,237,.15),transparent 60%),
        radial-gradient(900px 500px at 10% 110%,rgba(37,99,235,.15),transparent 60%),
        linear-gradient(180deg,#f8fafc 0%,#ffffff 100%);
}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:50px;align-items:center}
.hero h1{margin-bottom:20px}
.hero .accent{background:var(--gradient-accent);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 30px}
.badge{
    display:inline-flex;align-items:center;gap:8px;padding:8px 14px;
    border-radius:999px;background:#fff;border:1px solid var(--c-line);
    font-size:13.5px;font-weight:600;color:var(--c-text);box-shadow:var(--shadow-sm);
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--c-green)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-card{position:relative;background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-lg);border:1px solid var(--c-line)}
.hero-card h3{margin-bottom:8px}
.hero-card p{color:var(--c-muted);font-size:14.5px;margin-bottom:22px}
.hero-card-item{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-top:1px dashed var(--c-line)}
.hero-card-item:first-of-type{border-top:0;padding-top:0}
.icon-circle{flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--c-bg-soft-2);display:grid;place-items:center;color:var(--c-primary);font-weight:800}
.hero-card-item strong{display:block;font-size:15px;margin-bottom:2px}
.hero-card-item span{font-size:13.5px;color:var(--c-muted)}

/* ===== Calculator ===== */
.calc{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--c-line);padding:clamp(24px,4vw,44px)}
.calc-head{margin-bottom:28px}
.calc-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;align-items:end}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}
.field .value{font-family:'Manrope';font-size:32px;font-weight:800;color:var(--c-text);margin-bottom:6px}
.field .value small{font-size:16px;color:var(--c-muted);font-weight:600}
.range{width:100%;-webkit-appearance:none;appearance:none;height:6px;border-radius:6px;background:var(--c-bg-soft-2);outline:none;margin:14px 0 6px}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--gradient);cursor:pointer;box-shadow:0 4px 12px rgba(37,99,235,.4)}
.range::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--c-primary);border:none;cursor:pointer}
.range-caption{display:flex;justify-content:space-between;font-size:12px;color:var(--c-muted)}
.field-input,.field input[type=text],.field input[type=tel]{
    width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--c-line);
    background:#fff;font-family:inherit;font-size:15px;transition:.2s;
}
.field-input:focus,.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(37,99,235,.1)}
.calc-result{
    grid-column:1/-1;background:var(--gradient);border-radius:var(--radius);
    padding:24px 28px;display:flex;align-items:center;justify-content:space-between;
    gap:20px;flex-wrap:wrap;color:#fff;
}
.calc-result .label{font-size:13px;text-transform:uppercase;letter-spacing:.08em;opacity:.85}
.calc-result .amount{font-family:'Manrope';font-size:34px;font-weight:800;line-height:1}
.calc-result .amount small{font-size:16px;font-weight:600;opacity:.85}
.personal-data{font-size:12px;color:var(--c-muted);text-align:center;margin-top:14px}

/* ===== Products ===== */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.product{
    background:#fff;border-radius:var(--radius);border:1px solid var(--c-line);
    overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .2s;
    display:flex;flex-direction:column;
}
.product:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-img{aspect-ratio:16/10;background-size:cover;background-position:center;background-color:var(--c-bg-soft-2)}
.product-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-body h3{font-size:18px;margin:0}
.product-body p{font-size:14px;color:var(--c-muted);margin:0;flex:1}
.product-body .btn{width:100%;margin-top:10px}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.step{background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--c-line);position:relative}
.step-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;background:var(--gradient);
    color:#fff;font-weight:800;font-size:18px;font-family:'Manrope';margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{color:var(--c-muted);font-size:14.5px;margin:0}

/* ===== Advantages ===== */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.adv{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--c-line);display:flex;gap:16px;align-items:flex-start}
.adv-icon{flex:0 0 auto;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--c-bg-soft-2);color:var(--c-primary);font-size:22px}
.adv h3{font-size:16px;margin:0 0 6px}
.adv p{margin:0;color:var(--c-muted);font-size:14px}

/* ===== FAQ ===== */
.faq-list{margin-top:40px;display:flex;flex-direction:column;gap:12px;max-width:900px}
details.faq{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:0;overflow:hidden;transition:.2s}
details.faq[open]{border-color:var(--c-primary);box-shadow:var(--shadow)}
details.faq summary{
    list-style:none;cursor:pointer;padding:20px 24px;
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    font-weight:700;font-size:16px;font-family:'Manrope';
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
    content:"+";flex:0 0 auto;width:32px;height:32px;border-radius:50%;
    background:var(--c-bg-soft-2);display:grid;place-items:center;
    font-size:20px;font-weight:400;color:var(--c-primary);transition:.2s;
}
details.faq[open] summary::after{content:"−";background:var(--c-primary);color:#fff}
details.faq .faq-body{padding:0 24px 22px;color:var(--c-muted);font-size:15px;line-height:1.7}

/* ===== Reviews ===== */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.review{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:16px}
.review-text{color:var(--c-text);font-size:14.5px;line-height:1.7;flex:1}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--gradient);color:#fff;font-weight:800;font-size:15px}
.review-name{font-weight:700;font-size:14.5px}
.review-role{font-size:12.5px;color:var(--c-muted)}

/* ===== CTA band ===== */
.cta-band{
    background:var(--gradient);border-radius:var(--radius-lg);padding:clamp(30px,4vw,50px);
    color:#fff;display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;
    box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-band::after{
    content:"";position:absolute;right:-100px;top:-100px;width:300px;height:300px;
    background:radial-gradient(circle,rgba(255,255,255,.2),transparent 70%);
    pointer-events:none;
}
.cta-band h2{color:#fff;margin:0 0 8px;position:relative}
.cta-band p{color:rgba(255,255,255,.85);margin:0;position:relative}
.cta-band-actions{display:flex;flex-direction:column;gap:12px;position:relative}
.cta-phone{font-family:'Manrope';font-size:clamp(22px,3vw,32px);font-weight:800;color:#fff}
.cta-band .btn-primary{background:#fff;color:var(--c-primary-d);box-shadow:0 10px 25px rgba(0,0,0,.15)}
.cta-band .btn-primary:hover{color:var(--c-primary-d)}

/* ===== Footer ===== */
.site-footer{background:#0b1220;color:#94a3b8;padding:60px 0 30px;font-size:14px}
.site-footer a{color:#e2e8f0}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-title{color:#fff;font-family:'Manrope';font-weight:700;font-size:15px;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-phone{color:#fff;font-family:'Manrope';font-size:22px;font-weight:800;margin-bottom:12px;display:block}
.footer-logo-img{height:64px !important;width:auto;margin-bottom:16px;background:#fff;border-radius:10px;padding:6px 10px}
.footer-bottom{border-top:1px solid #1e293b;padding-top:24px;font-size:12.5px;line-height:1.7;color:#64748b}
.footer-bottom p{margin-bottom:12px}

.footer-legal{max-width:960px}
.footer-legal p{margin:0 0 12px}
.footer-legal p:last-child{margin-bottom:0}
.footer-legal strong{color:#e2e8f0;font-weight:600}

.partners-list{
    margin:16px 0;background:rgba(255,255,255,.03);
    border:1px solid #1e293b;border-radius:10px;overflow:hidden;
    transition:border-color .2s,background .2s;
}
.partners-list[open]{background:rgba(255,255,255,.05);border-color:#334155}
.partners-list summary{
    list-style:none;cursor:pointer;padding:12px 18px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-weight:600;font-size:13px;color:#cbd5e1;user-select:none;transition:color .2s;
}
.partners-list summary:hover{color:#fff}
.partners-list summary::-webkit-details-marker{display:none}
.partners-list summary::after{
    content:"＋";flex:0 0 auto;width:24px;height:24px;border-radius:50%;
    background:rgba(255,255,255,.08);display:grid;place-items:center;
    font-size:14px;font-weight:400;transition:transform .2s,background .2s;
}
.partners-list[open] summary::after{
    content:"−";background:var(--c-primary);color:#fff;transform:rotate(180deg);
}
.partners-content{padding:6px 18px 16px;border-top:1px solid #1e293b}
.partners-content p{margin:0 0 10px;font-size:12.5px;line-height:1.65}
.partners-content p:last-child{margin-bottom:0}
.partners-content strong{color:#e2e8f0;font-weight:600}

/* ===== Modal ===== */
.modal-overlay{
    position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(4px);
    display:none;align-items:center;justify-content:center;z-index:1000;padding:20px;
}
.modal-overlay.open{display:flex}
.modal{
    background:#fff;border-radius:var(--radius-lg);max-width:480px;width:100%;
    box-shadow:var(--shadow-lg);padding:32px;position:relative;
    animation:modalIn .2s ease;max-height:90vh;overflow-y:auto;
}
@keyframes modalIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.modal-close{
    position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;
    border:none;background:var(--c-bg-soft-2);color:var(--c-muted);font-size:18px;
    cursor:pointer;display:grid;place-items:center;
}
.modal-close:hover{background:var(--c-line);color:var(--c-text)}
.modal h2{font-size:22px;margin-bottom:6px}
.modal .modal-sub{font-size:14px;color:var(--c-muted);margin-bottom:22px}
.modal .field{margin-bottom:14px}
.modal .btn{width:100%;margin-top:6px}

/* ===== To-top ===== */
.to-top{
    position:fixed;bottom:24px;right:24px;width:48px;height:48px;
    border-radius:50%;border:none;background:var(--c-primary);color:#fff;
    font-size:20px;cursor:pointer;box-shadow:var(--shadow-lg);
    display:none;place-items:center;z-index:40;transition:.2s;
}
.to-top:hover{background:var(--c-primary-d);transform:translateY(-2px)}
.to-top.show{display:grid}

/* ===== Cities panel ===== */
.cities-overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(4px);display:none;z-index:1100}
.cities-overlay.open{display:block}
.cities-panel{
    position:fixed;inset:0;margin:auto;top:50%;left:50%;transform:translate(-50%,-50%) scale(.97);
    width:min(960px,calc(100% - 32px));max-height:min(760px,calc(100% - 32px));
    background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
    display:none;flex-direction:column;z-index:1101;opacity:0;transition:.2s;
}
.cities-panel.open{display:flex;opacity:1;transform:translate(-50%,-50%) scale(1)}
.cities-head{display:flex;align-items:center;justify-content:space-between;padding:22px 26px;border-bottom:1px solid var(--c-line)}
.cities-head h2{margin:0;font-size:20px}
.cities-search{padding:16px 26px;border-bottom:1px solid var(--c-line)}
.cities-search input{width:100%;padding:12px 16px;border-radius:12px;border:1px solid var(--c-line);font-family:inherit;font-size:15px}
.cities-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(37,99,235,.1)}
.cities-body{padding:20px 26px 26px;overflow-y:auto;flex:1}
.cities-columns{columns:3;column-gap:32px}
.city-letter{font-family:'Manrope';font-weight:800;font-size:18px;color:var(--c-primary);margin:18px 0 8px;break-inside:avoid;page-break-inside:avoid}
.city-letter:first-child{margin-top:0}
.city-link{display:block;padding:6px 0;font-size:14.5px;color:var(--c-text);break-inside:avoid;page-break-inside:avoid}
.city-link:hover{color:var(--c-primary)}
.city-empty{padding:24px 0;text-align:center;color:var(--c-muted);display:none}
.city-empty.show{display:block}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width:1180px){
    .header-actions .header-callback{display:none}
}

@media (max-width:1024px){
    .site-nav{display:none}
    .header-actions .header-phone{display:none}
    .header-main{height:72px}
    
    .mobile-burger-details { display: block; }
    .mobile-burger-details .mobile-menu { top: 72px; }

    .hero-grid{grid-template-columns:1fr;gap:30px}
    .calc-grid{grid-template-columns:1fr 1fr}
    .calc-result{grid-column:1/-1}
    .products-grid{grid-template-columns:repeat(2,1fr)}
    .adv-grid{grid-template-columns:1fr 1fr}
    .reviews-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .cta-band{grid-template-columns:1fr}
    .cities-columns{columns:2}
}

@media (max-width:640px){
    .header-main{height:64px;gap:12px}
    .logo{padding:4px 8px}
    .logo img{height:32px;max-width:120px}
    .header-actions .header-cta{display:none}
    .header-actions .city-chip{display:none}
    
    .mobile-burger-details .mobile-menu {
        top: 64px;
        width: 100%;
        border-left: none;
    }

    .section{padding:56px 0}
    .header-phone{display:none}
    .calc-grid{grid-template-columns:1fr}
    .products-grid{grid-template-columns:1fr}
    .steps{grid-template-columns:1fr}
    .adv-grid{grid-template-columns:1fr}
    .reviews-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .hero{padding:50px 0 60px}
    .cities-columns{columns:1}
}