/* Базовые стили для сайта-визитки Skaled */
:root{--accent:#0078ff;--dark:#111;--muted:#666;--bg:#f6f7fb}
*{box-sizing:border-box}
body{font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;margin:0;color:var(--dark);background:var(--bg);-webkit-font-smoothing:antialiased}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(0.9)}to{opacity:1;transform:scale(1)}}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:flex-start;padding-block:18px;position:relative;z-index:10}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand img{display:block;width:132px;height:36px;object-fit:contain}
.nav a{margin:0 10px;color:var(--muted);text-decoration:none}
.phone{background:var(--accent);color:#fff;padding:8px 12px;border-radius:6px;text-decoration:none}
.nav{order:3;width:100%;margin-top:8px;z-index:100}

/* Mobile menu button */
.menu-btn{display:none;width:42px;height:36px;border-radius:6px;border:0;background:transparent;cursor:pointer;position:relative}
.menu-btn span, .menu-btn span::before, .menu-btn span::after{display:block;height:2px;background:var(--dark);width:22px;border-radius:2px;position:relative}
.menu-btn span::before, .menu-btn span::after{content:'';position:absolute;left:0}
.menu-btn span::before{top:-7px}
.menu-btn span::after{top:7px}

.hero{padding:80px 0;position:relative;overflow:hidden;color:#fff;min-height:320px;z-index:1}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,18,32,0.55),rgba(27,42,68,0.55));z-index:1;pointer-events:none}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s ease;filter:brightness(0.9)}
.hero-slide.active{opacity:1}
.hero-inner{max-width:900px;position:relative;z-index:2}
.hero h1{font-size:2rem;margin:0 0 12px}
.hero p{margin:0 0 18px;color:#d6e5ff}
.hero-actions .btn{margin-right:10px}
.section{padding:56px 0;background:transparent;opacity:0;animation:fadeInUp 0.8s ease-out forwards}
.section.visible{animation:fadeInUp 0.8s ease-out forwards}
h2{margin:0 0 20px;font-size:1.4rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes zoomIn{from{opacity:0;transform:scale(0.9)}to{opacity:1;transform:scale(1)}}
.card{background:#fff;padding:18px;border-radius:8px;box-shadow:0 6px 18px rgba(15,15,15,0.04);animation:slideUp 0.6s ease-out forwards;opacity:0}
.card:nth-child(1){animation-delay:0.1s}
.card:nth-child(2){animation-delay:0.2s}
.card:nth-child(3){animation-delay:0.3s}
.card:nth-child(4){animation-delay:0.4s}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.project img{width:100%;height:140px;object-fit:cover;border-radius:8px;margin-bottom:10px;display:block}
.project-img{cursor:pointer;transition:transform 0.3s ease-out,box-shadow 0.3s ease-out}
.project-img:hover{transform:scale(1.05);box-shadow:0 8px 24px rgba(0,120,255,0.15)}
.advantages{list-style:none;padding:0;margin:0}
.advantages li{background:#fff;padding:12px;border-radius:8px;margin-bottom:10px}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact-info{background:#fff;padding:20px;border-radius:8px}
.contact-form{background:#fff;padding:20px;border-radius:8px}
.input-wrap{margin-top:6px}
input,textarea{width:100%;padding:10px;border:1px solid #e6e8ec;border-radius:6px;font:inherit}
.form-actions{display:flex;gap:10px;margin-top:12px}
.form-note{font-size:12px;color:var(--muted);margin-top:10px}
.site-footer{padding:16px 0;background:#fff;border-top:1px solid #eee}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.btn{display:inline-block;padding:10px 14px;border-radius:8px;border:0;cursor:pointer;text-decoration:none;font-weight:600}
.btn.primary{background:var(--accent);color:#fff}
.btn.ghost{background:transparent;border:1px solid rgba(0,0,0,0.08);color:var(--dark)}
.lead{color:var(--muted)}
.big-phone{font-size:1.25rem;margin:8px 0}
.back-to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border:0;border-radius:999px;background:var(--accent);color:#fff;font-size:20px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(0,0,0,0.22);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(8px);transition:opacity .2s ease, transform .2s ease, visibility .2s ease;z-index:1100}
.back-to-top.visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}

/* Модальное окно для изображений */
.modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.85);z-index:1000;align-items:center;justify-content:center;animation:fadeIn 0.3s ease;padding:20px}
.modal.active{display:flex}
.modal-content{position:relative;width:90vw;height:90vh;animation:zoomIn 0.3s ease;display:flex;align-items:center;justify-content:center}
.modal-content img{max-width:90vw;max-height:85vh;object-fit:contain;border-radius:8px}
.modal-close{position:absolute;top:-40px;right:0;width:40px;height:40px;background:transparent;border:none;color:#fff;font-size:32px;cursor:pointer;transition:color 0.2s;padding:0;line-height:1}
.modal-close:hover{color:var(--accent)}

@media (max-width:800px){
  .contact-inner{grid-template-columns:1fr}
  .header-inner{flex-wrap:wrap}
  .nav{order:3;width:100%;margin-top:8px;z-index:100}
  .hero{padding:56px 0}
  .hero h1{font-size:1.5rem}
}

/* Enhanced mobile behavior */
@media (max-width:800px){
  .header-inner{position:relative;padding-block:12px;z-index:10}
  .nav{display:flex;flex-direction:column;position:absolute;left:0;right:0;top:64px;background:#fff;padding:12px 20px;border-top:1px solid #eee;box-shadow:0 8px 20px rgba(0,0,0,0.05);transform-origin:top;opacity:0;pointer-events:none;transform:scaleY(0);transition:all .18s ease-in-out;z-index:100}
  .nav.open{opacity:1;pointer-events:auto;transform:scaleY(1)}
  .nav a{margin:8px 0;color:var(--dark);padding:8px 0}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .phone{order:4;width:100%;text-align:center;margin-top:10px;margin-left:0;white-space:normal;}
  .hero{padding:40px 0}
  .hero h1{font-size:1.45rem}
  .btn{padding:12px 16px}
  .container{padding:0 16px}
  .back-to-top{right:16px;bottom:16px}
}

.header-inner .nav{flex-grow:1;display:flex;justify-content:center;}
.header-inner .brand{flex-shrink:0;}
.header-inner .menu-btn{flex-shrink:0;}
.header-inner .phone{margin-left:auto;display:inline-block;white-space:nowrap;}
@media (min-width:801px){
  .header-inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;column-gap:16px}
  .header-inner .nav{order:2;width:auto;margin-top:0;display:flex;justify-content:center;min-width:0}
  .header-inner .phone{order:3;margin-left:0;justify-self:end}
}
@media (max-width:800px){
  .phone{order:4;width:100%;text-align:center;margin-top:10px;margin-left:0;white-space:normal;}
}