/* ===== LostoveBG — черна тема с оранжеви акценти ===== */
:root{
  --bg:#0b0b0b;
  --surface:#141414;
  --surface-2:#1b1b1b;
  --line:#2a2a2a;
  --text:#f3f3f3;
  --muted:#a6a6a6;
  --orange:#ff7a1a;
  --orange-2:#ff9a4d;
  --radius:14px;
  --wrap:1180px;
  --head:'Oswald',system-ui,sans-serif;
  --body:'Manrope',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--orange);text-decoration:none}
a:hover{color:var(--orange-2)}
h1,h2,h3,h4{font-family:var(--head);font-weight:600;line-height:1.15;margin:0 0 .5em;letter-spacing:.01em}
h1{font-size:clamp(2.2rem,5vw,3.8rem);text-transform:uppercase}
h2{font-size:clamp(1.6rem,3vw,2.3rem);text-transform:uppercase}
h3{font-size:1.3rem}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.section{padding:56px 22px}
.muted{color:var(--muted)}
.hl{color:var(--orange)}
.eyebrow{font-family:var(--head);text-transform:uppercase;letter-spacing:.18em;font-size:.82rem;color:var(--orange);margin-bottom:.8em}
.lead{font-size:1.12rem;color:#cfcfcf;max-width:640px}
[hidden]{display:none!important}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;background:var(--orange);color:#111;font-family:var(--head);font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:.9em 1.6em;border-radius:999px;border:2px solid var(--orange);cursor:pointer;font-size:.95rem;transition:transform .15s,background .2s,color .2s}
.btn:hover{background:var(--orange-2);border-color:var(--orange-2);color:#111;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{background:transparent;color:var(--orange);border-color:var(--orange)}
.btn-dark{background:#0b0b0b;color:var(--orange);border-color:#0b0b0b}
.btn-dark:hover{background:#000;color:var(--orange-2);border-color:#000}
.btn-sm{padding:.55em 1.2em;font-size:.85rem}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.link-arrow{font-family:var(--head);text-transform:uppercase;letter-spacing:.06em}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,11,11,.85);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.scrolled{border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-family:var(--head);font-size:1.45rem;font-weight:700;letter-spacing:.06em}
.logo:hover{color:var(--text)}
.logo b{color:var(--orange);font-weight:700}
.logo svg{width:40px;height:35px;fill:none;stroke:var(--text);stroke-width:3;stroke-linecap:round}
.logo svg .o{stroke:var(--orange)}
.logo svg .fig{stroke:var(--orange);stroke-width:1.8;stroke-linejoin:round;fill:none}
.logo svg .fig circle{fill:var(--orange);stroke:none}
.logo:hover svg .fig{animation:pull 1s ease-in-out}
@keyframes pull{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
.nav{display:flex;align-items:center;gap:28px}
.nav a:not(.btn){color:#d6d6d6;font-weight:600;font-size:.95rem;position:relative;padding:4px 0}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--orange);transition:width .2s}
.nav a:not(.btn):hover,.nav a.active:not(.btn){color:var(--text)}
.nav a:not(.btn):hover::after,.nav a.active:not(.btn)::after{width:100%}
.menu-btn{display:none;background:none;border:0;width:42px;height:42px;cursor:pointer;padding:9px}
.menu-btn span{display:block;height:2px;background:var(--text);margin:6px 0;transition:.25s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Hero */
.hero{padding:50px 0 30px;background:radial-gradient(900px 500px at 85% 20%,rgba(255,122,26,.13),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}
.hero-stats{list-style:none;padding:0;margin:10px 0 0;display:flex;gap:34px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}
.hero-stats b{display:block;font-family:var(--head);font-size:1.5rem;color:var(--orange);text-transform:uppercase}
.hero-stats span{color:var(--muted);font-size:.9rem}
.hero-media{position:relative}
.hero-media img{height:auto;border-radius:var(--radius);aspect-ratio:4/5;object-fit:cover;width:100%;border:1px solid var(--line)}
.hero-media::before{content:"";position:absolute;inset:18px -18px -18px 18px;border:2px solid var(--orange);border-radius:var(--radius);z-index:-1}
.badge{position:absolute;left:-14px;bottom:28px;background:var(--orange);color:#111;font-family:var(--head);text-transform:uppercase;letter-spacing:.06em;padding:.6em 1em;border-radius:8px;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.4)}

/* Features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:border-color .2s,transform .2s}
.feature:hover{border-color:var(--orange);transform:translateY(-3px)}
.ico{width:52px;height:52px;border-radius:12px;background:rgba(255,122,26,.12);display:grid;place-items:center;margin-bottom:18px}
.ico svg{width:26px;height:26px;fill:none;stroke:var(--orange);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.feature p{color:var(--muted);margin:0}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.split-media img{border-radius:var(--radius);aspect-ratio:4/5;object-fit:cover;width:100%;border:1px solid var(--line)}
.checks{list-style:none;padding:0;margin:0 0 26px}
.checks li{padding:8px 0 8px 32px;position:relative;border-bottom:1px solid var(--line)}
.checks li::before{content:"";position:absolute;left:4px;top:15px;width:12px;height:7px;border-left:2px solid var(--orange);border-bottom:2px solid var(--orange);transform:rotate(-45deg)}

/* Strip */
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
.section-head h2{margin:0}
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.strip button,.gallery button{padding:0;border:0;background:none;cursor:zoom-in;border-radius:10px;overflow:hidden;position:relative}
.strip img,.gallery img{aspect-ratio:3/4;object-fit:cover;width:100%;transition:transform .4s,filter .3s;filter:grayscale(.25)}
.strip button:hover img,.gallery button:hover img{transform:scale(1.05);filter:none}
.strip button::after,.gallery button::after{content:"";position:absolute;inset:0;border:2px solid transparent;border-radius:10px;transition:border-color .2s}
.strip button:hover::after,.gallery button:hover::after{border-color:var(--orange)}

/* CTA band */
.cta-band{background:var(--orange);color:#111;border-radius:var(--radius);padding:40px 44px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{margin:0 0 .2em}
.cta-band p{margin:0;font-weight:500}

/* Page head */
.page-head{padding:60px 0 20px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(255,122,26,.08),transparent)}

/* Product */
.product{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.pg-main img{border-radius:var(--radius);aspect-ratio:4/5;object-fit:cover;width:100%;border:1px solid var(--line)}
.pg-thumbs{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:10px}
.pg-thumbs button{padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;background:none;opacity:.6;transition:.2s}
.pg-thumbs button.on,.pg-thumbs button:hover{border-color:var(--orange);opacity:1}
.pg-thumbs img{aspect-ratio:1;object-fit:cover;width:100%}
.tag{display:inline-block;background:rgba(255,122,26,.15);color:var(--orange);border:1px solid rgba(255,122,26,.4);padding:.25em .8em;border-radius:999px;font-size:.8rem;font-weight:700;margin-bottom:12px}
.price{font-size:1.1rem;color:var(--muted)}
.price b{color:var(--orange)}
.specs{width:100%;border-collapse:collapse;margin:16px 0}
.specs th,.specs td{text-align:left;padding:11px 0;border-bottom:1px solid var(--line);vertical-align:top}
.specs th{color:var(--muted);font-weight:500;width:38%}
.variants{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.variant{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;transition:.2s}
.variant:hover{border-color:var(--orange)}
.variant svg{width:100%;height:120px;margin-bottom:16px;background:var(--surface-2);border-radius:10px}
.variant p{color:var(--muted);font-size:.95rem;flex:1}
.variant .btn{align-self:flex-start}

/* Info blocks */
.info-block{display:grid;grid-template-columns:120px 1fr;gap:30px;padding:36px 0;border-bottom:1px solid var(--line)}
.info-block:first-child{padding-top:0}
.info-block .num{font-family:var(--head);font-size:4rem;line-height:1;color:transparent;-webkit-text-stroke:2px var(--orange)}
.info-block p{color:#cfcfcf;max-width:720px}
.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.steps li::before{content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--orange);color:#111;font-family:var(--head);font-weight:700;margin-bottom:14px}
.steps b{display:block;font-family:var(--head);text-transform:uppercase;font-size:1.1rem;margin-bottom:6px}
.steps span{color:var(--muted);font-size:.95rem}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:0;color:var(--text);font:600 1.05rem var(--body);padding:20px 40px 20px 0;cursor:pointer;position:relative}
.faq-q::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);color:var(--orange);font-size:1.6rem;transition:transform .2s}
.faq-q[aria-expanded="true"]::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{overflow:hidden;max-height:0;transition:max-height .3s ease;color:var(--muted)}
.faq-a p{padding-bottom:20px;margin:0}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery button:first-child{grid-column:span 2;grid-row:span 2}
.gallery button:first-child img{height:100%}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.94);display:flex;align-items:center;justify-content:center;padding:40px}
.lightbox img{max-height:88vh;max-width:min(92vw,900px);border-radius:10px;object-fit:contain}
.lightbox button{position:absolute;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text);width:52px;height:52px;border-radius:50%;font-size:2rem;line-height:1;cursor:pointer;transition:.2s}
.lightbox button:hover{background:var(--orange);color:#111;border-color:var(--orange)}
.lb-close{top:20px;right:20px}
.lb-prev{left:20px;top:50%;transform:translateY(-50%)}
.lb-next{right:20px;top:50%;transform:translateY(-50%)}
.lb-count{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);color:var(--muted);font-family:var(--head);letter-spacing:.1em}

/* Configurator */
.config{display:grid;grid-template-columns:1.25fr .9fr;gap:40px;align-items:start}
.cfg-form fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:0 0 20px;background:var(--surface)}
.cfg-form legend{font-family:var(--head);text-transform:uppercase;letter-spacing:.06em;padding:0 8px;color:var(--orange);font-size:1.05rem}
.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.choice{position:relative}
.choice input{position:absolute;opacity:0}
.choice label{display:block;border:2px solid var(--line);border-radius:12px;padding:14px 16px;cursor:pointer;transition:.2s;height:100%}
.choice label b{display:block;font-family:var(--head);text-transform:uppercase;font-weight:600;letter-spacing:.03em}
.choice label span{color:var(--muted);font-size:.88rem}
.choice input:checked+label{border-color:var(--orange);background:rgba(255,122,26,.08)}
.choice input:focus-visible+label{outline:2px solid var(--orange);outline-offset:2px}
.range{margin-bottom:18px}
.range label{display:flex;justify-content:space-between;font-weight:600;margin-bottom:6px}
.range output{color:var(--orange);font-family:var(--head);font-size:1.1rem}
input[type=range]{width:100%;accent-color:var(--orange);height:6px}
.hint{color:var(--muted);font-size:.88rem;margin:6px 0 0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:block;font-weight:600;font-size:.92rem;margin-bottom:14px}
.field input,.field select,.field textarea{display:block;width:100%;margin-top:6px;background:#0d0d0d;border:1px solid var(--line);border-radius:10px;color:var(--text);font:400 1rem var(--body);padding:12px 14px;transition:border-color .2s}
.field textarea{resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange)}
.field input.invalid{border-color:#ff4d4d}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.btn.loading{opacity:.7;pointer-events:none}
.cfg-preview{position:sticky;top:90px}
.preview-card{background:var(--surface);border:1px solid var(--orange);border-radius:var(--radius);padding:24px}
#cfgSvg{width:100%;background:#0d0d0d;border-radius:10px;margin-bottom:16px}
.summary{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0 0 16px;font-size:.93rem}
.summary dt{color:var(--muted)}
.summary dd{margin:0;font-weight:600;text-align:right}
.cfg-actions{display:flex;flex-wrap:wrap;gap:10px}
.form-msg{min-height:1.2em;font-size:.92rem;margin:0 0 10px}
.form-msg.err{color:#ff6b6b}
.form-msg.ok{color:var(--orange)}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:#070707;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px;padding:56px 22px 36px}
.site-footer h4{text-transform:uppercase;letter-spacing:.1em;color:var(--orange);font-size:1rem}
.flinks,.contacts{list-style:none;padding:0;margin:0}
.flinks li{margin-bottom:8px}
.flinks a{color:#cfcfcf}
.flinks a:hover{color:var(--orange)}
.contacts li{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.contacts svg{width:20px;height:20px;flex:none;fill:none;stroke:var(--orange);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.contacts a,.contacts span{color:#e6e6e6}
.contacts .soon{color:var(--muted);font-style:italic}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding:20px 22px;color:var(--muted);font-size:.88rem}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* Responsive */
@media (max-width:980px){
  .hero-grid,.split,.product,.config{grid-template-columns:1fr}
  .hero-media{max-width:460px}
  .variants,.steps{grid-template-columns:repeat(2,1fr)}
  .cfg-preview{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{position:fixed;top:70px;left:0;right:0;background:#0b0b0b;flex-direction:column;align-items:stretch;gap:0;padding:10px 22px 24px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:transform .3s,visibility .3s;visibility:hidden;z-index:-1}
  .nav.open{transform:none;visibility:visible}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:16px}
  .features,.gallery{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .strip{grid-template-columns:1fr 1fr}
  .info-block{grid-template-columns:1fr;gap:6px}
  .info-block .num{font-size:3rem}
  .row2,.choice-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 26px}
  .badge{left:10px}
  .hero-media::before{inset:12px -10px -12px 12px}
}
@media (max-width:520px){
  .variants,.steps{grid-template-columns:1fr}
  .pg-thumbs{grid-template-columns:repeat(4,1fr)}
}