/* ===== Фирменные токены: холодная палитра (индиго / сталь / лёд) ===== */
:root{
  --brand:#3b4bd8;
  --brand-2:#2536b0;
  --accent:#0ea5c4;
  --bg:#f4f6fb;
  --surface:#ffffff;
  --surface-2:#eef1f8;
  --text:#141a2e;
  --muted:#5b6478;
  --border:#dbe1ee;
  --ice:#e8edf9;
  --grad:linear-gradient(120deg,#3b4bd8,#0ea5c4);
  --container:1200px;
  --radius:24px;
  --radius-sm:16px;
  --radius-pill:999px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:'Segoe UI',system-ui,-apple-system,'Inter',Roboto,'Helvetica Neue',Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}
.center{text-align:center}
.cluster{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

h1,h2,h3,h4{line-height:1.08;letter-spacing:-.02em;margin:0 0 .4em}
h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}

.section{padding:clamp(56px,8vw,104px) 0}

/* ===== Кнопки ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;font-weight:600;font-size:.98rem;
  padding:13px 26px;border-radius:var(--radius-pill);border:1px solid transparent;
  cursor:pointer;transition:transform .18s var(--ease),background .18s;
}
.btn:hover{background:var(--brand-2);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--surface-2);color:var(--text)}
.btn-lg{padding:16px 34px;font-size:1.05rem}
.btn-sm{padding:9px 16px;font-size:.85rem}
.btn-full{width:100%}
.btn-danger{background:#e0454f}
.btn-danger:hover{background:#c2323b}

.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--ice);color:var(--brand-2);font-size:.82rem;font-weight:600;
}
.tag-cond{background:var(--surface-2);color:var(--muted)}

.link-arrow{color:var(--brand);font-weight:600}
.link-arrow:hover{color:var(--brand-2)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--surface) 82%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.15rem}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff}
.brand-name{letter-spacing:-.02em}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav a{font-weight:500;color:var(--muted);transition:color .15s}
.main-nav a:hover{color:var(--text)}
.main-nav a.btn{color:#fff}
.main-nav a.btn-ghost{color:var(--text)}
.burger{display:none;background:none;border:0;color:var(--text);cursor:pointer;padding:6px}

/* ===== Hero (фото-герой с оверлеем) ===== */
.hero{position:relative;min-height:min(84vh,660px);display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,26,46,.92) 0%,rgba(20,26,46,.6) 45%,rgba(37,54,176,.35) 100%)}
.hero-content{position:relative;z-index:2;padding:60px 22px;max-width:760px}
.hero-tag{background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(4px)}
.hero h1{color:#fff;margin-top:16px}
.hero-sub{font-size:clamp(1.05rem,1.6vw,1.25rem);color:rgba(255,255,255,.9);max-width:600px;margin:0 0 30px}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.hero-stats{display:flex;gap:38px;margin-top:44px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800}
.hero-stats span{font-size:.9rem;color:rgba(255,255,255,.75)}

/* ===== Page hero ===== */
.page-hero{background:var(--surface);border-bottom:1px solid var(--border);padding:clamp(46px,7vw,84px) 0 clamp(34px,5vw,54px)}
.page-hero-slim{padding:clamp(40px,6vw,64px) 0 clamp(28px,4vw,40px)}
.page-hero .muted{max-width:640px}

/* ===== Секции-полосы разного фона ===== */
.band-cats{background:var(--surface)}
.band-latest{background:var(--bg)}
.band-steps{background:var(--surface-2)}
.band-top{background:var(--surface)}
.band-cta{background:var(--text);color:#fff}

.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{margin:0}

/* ===== Категории ===== */
.cats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.cat-card{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 24px;background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-sm);font-weight:600;font-size:1.05rem;
  transition:border-color .18s,transform .18s var(--ease),color .18s;
}
.cat-card:hover{border-color:var(--brand);transform:translateY(-3px);color:var(--brand)}
.cat-arrow{color:var(--brand);transition:transform .18s}
.cat-card:hover .cat-arrow{transform:translateX(4px)}

/* ===== Карточки объявлений ===== */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}
.card-listing{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s var(--ease),border-color .2s;display:flex;flex-direction:column}
.card-listing:hover{transform:translateY(-4px);border-color:var(--brand)}
.card-media{position:relative;display:block;aspect-ratio:4/5;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-cond{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--text);font-size:.75rem;font-weight:600;padding:5px 11px;border-radius:var(--radius-pill)}
.card-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-price{font-size:1.35rem;font-weight:800;color:var(--brand-2)}
.card-title{font-weight:600;font-size:.98rem;line-height:1.3;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-title:hover{color:var(--brand)}
.card-foot{margin-top:auto;display:flex;justify-content:space-between;gap:8px;font-size:.82rem;color:var(--muted)}
.card-cat{color:var(--accent);font-weight:600}

/* ===== Шаги ===== */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin-top:14px}
.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px}
.step-num{display:inline-block;font-size:1.6rem;font-weight:800;color:var(--brand);opacity:.5;margin-bottom:10px}
.step h3{margin-bottom:8px}
.step p{margin:0;color:var(--muted);font-size:.95rem}

/* ===== CTA ===== */
.cta-inner{text-align:center;max-width:620px;margin:0 auto}
.band-cta h2{color:#fff}
.band-cta p{color:rgba(255,255,255,.8);margin-bottom:26px}

/* ===== Каталог ===== */
.catalog-layout{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:start}
.filters{position:sticky;top:90px}
.filter-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:.85rem;font-weight:600;color:var(--muted)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
input,select,textarea{
  width:100%;font-family:inherit;font-size:.98rem;color:var(--text);
  background:var(--bg);border:1px solid var(--border);border-radius:12px;
  padding:12px 14px;transition:border-color .15s,box-shadow .15s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
textarea{resize:vertical}
.empty-state{text-align:center;padding:60px 20px;background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius)}
.empty-state p{margin-bottom:18px;color:var(--muted)}

/* ===== Страница объявления ===== */
.crumbs{font-size:.86rem;color:var(--muted);margin-bottom:24px}
.crumbs a:hover{color:var(--brand)}
.listing-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start}
.gallery-main{aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;background:var(--surface-2);border:1px solid var(--border)}
.gallery-main img{width:100%;height:100%;object-fit:cover}
.gallery-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumb{width:74px;height:90px;padding:0;border:2px solid var(--border);border-radius:12px;overflow:hidden;cursor:pointer;background:none}
.thumb.active{border-color:var(--brand)}
.thumb img{width:100%;height:100%;object-fit:cover}
.badges{display:flex;gap:8px;margin-bottom:14px}
.listing-title{font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:14px}
.listing-price{font-size:clamp(1.9rem,4vw,2.6rem);font-weight:800;color:var(--brand-2);margin-bottom:16px}
.listing-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:.9rem;color:var(--muted);margin-bottom:22px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.listing-desc{margin-bottom:28px;font-size:1.02rem}
.contact-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.contact-box h3{margin-bottom:4px}
.contact-form{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.owner-actions{display:flex;gap:12px;margin-top:20px}
.related{margin-top:64px}
.related h2{margin-bottom:26px}

/* ===== Форма добавления ===== */
.form-narrow{max-width:720px}
.add-form{display:flex;flex-direction:column;gap:20px}
.hint{font-size:.82rem;color:var(--muted)}
.upload-box{position:relative;border:2px dashed var(--border);border-radius:var(--radius-sm);padding:34px 20px;text-align:center;transition:border-color .18s,background .18s;cursor:pointer}
.upload-box:hover,.upload-box.drag{border-color:var(--brand);background:var(--ice)}
.upload-box input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}
.upload-hint{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);pointer-events:none}
.upload-hint svg{color:var(--brand)}
.upload-preview{display:flex;gap:10px;flex-wrap:wrap}
.upload-preview img{width:84px;height:100px;object-fit:cover;border-radius:10px;border:1px solid var(--border)}

/* ===== Notice ===== */
.notice{border-radius:14px;padding:14px 18px;margin-bottom:20px;font-size:.95rem}
.notice-ok{background:#e4f7ee;color:#116b45;border:1px solid #b7e6cf}
.notice-err{background:#fdeaec;color:#a12832;border:1px solid #f4c4c9}
.notice-err ul{margin:0;padding-left:18px}

/* ===== Кабинет ===== */
.cabinet-list{display:flex;flex-direction:column;gap:14px}
.cabinet-row{display:grid;grid-template-columns:88px 1fr auto;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px}
.cab-thumb{width:88px;height:100px;border-radius:12px;overflow:hidden;background:var(--surface-2)}
.cab-thumb img{width:100%;height:100%;object-fit:cover}
.cab-title{font-weight:600;display:block;margin-bottom:6px}
.cab-title:hover{color:var(--brand)}
.cab-meta{display:flex;gap:16px;font-size:.86rem;color:var(--muted);flex-wrap:wrap}
.cab-price{color:var(--brand-2);font-weight:700}
.cab-actions{display:flex;gap:8px}

/* ===== Правила / статья ===== */
.article-narrow{max-width:820px}
.rules-list{display:flex;flex-direction:column;gap:18px;margin-bottom:40px}
.rule-item{display:grid;grid-template-columns:auto 1fr;gap:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:22px 24px}
.rule-n{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800}
.rule-item h3{margin-bottom:6px}
.rule-item p{margin:0;color:var(--muted)}
.callout{background:var(--ice);border-radius:var(--radius);padding:34px;text-align:center}
.callout h3{margin-bottom:8px}
.callout p{color:var(--muted);margin-bottom:18px}

/* ===== О сайте ===== */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.about-text p{font-size:1.05rem;margin-bottom:16px}
.about-stats{display:flex;gap:32px;margin-top:26px;flex-wrap:wrap}
.about-stats strong{display:block;font-size:1.35rem;color:var(--brand-2)}
.about-stats span{font-size:.88rem;color:var(--muted)}
.about-media img{border-radius:var(--radius);aspect-ratio:4/5;object-fit:cover;width:100%}

/* ===== Контакты ===== */
.contacts-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;align-items:start}
.contact-line{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}
.contact-line span:first-child{color:var(--muted);font-weight:600}
.contact-line a:hover{color:var(--brand)}
.contacts-form-wrap .contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}

/* ===== FAQ ===== */
.faq-section{background:var(--surface-2)}
.faq{max-width:760px;margin:30px auto 0;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 22px}
.faq summary{cursor:pointer;padding:18px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:1.4rem;color:var(--brand);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 18px;color:var(--muted)}

/* ===== Footer ===== */
.site-footer{background:var(--text);color:#c5cbdd}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding:60px 22px 40px}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .muted{color:#9099b0;max-width:320px}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.footer-col a{display:block;color:#a4abc2;padding:5px 0;font-size:.92rem;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-col p{margin:6px 0 0;font-size:.88rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px;font-size:.85rem;color:#8891a8}

/* ===== Reveal ===== */
html.js .section .card-listing,html.js .section .step,html.js .section .cat-card{opacity:1}

/* ===== Адаптив ===== */
@media (max-width:960px){
  .catalog-layout{grid-template-columns:1fr}
  .filters{position:static}
  .listing-grid{grid-template-columns:1fr}
  .about-grid,.contacts-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .burger{display:block}
  .main-nav{
    position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--surface);border-bottom:1px solid var(--border);padding:16px 22px;gap:6px;
    display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:10px 0}
  .main-nav a.btn{margin-top:6px}
  .hero-stats{gap:24px}
}
@media (max-width:520px){
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cabinet-row{grid-template-columns:64px 1fr;grid-template-areas:'thumb body' 'act act'}
  .cab-thumb{grid-area:thumb;width:64px;height:76px}
  .cab-body{grid-area:body}
  .cab-actions{grid-area:act;justify-content:flex-start}
}