/* лазернаяарфа.рф — SEO-страницы в системе премиум-главной: герой короче, статья с оглавлением, оффер в середине */

/* Прогресс чтения — лазерная линия под шапкой */
.prog{position:fixed;left:0;top:0;z-index:55;height:2px;width:100%;background:linear-gradient(90deg,var(--g),var(--c));box-shadow:0 0 12px var(--g);transform:scaleX(0);transform-origin:left;pointer-events:none}

/* Герой страницы */
.ph-hero{min-height:min(88svh,820px)}
.ph-hero h1{font-size:clamp(36px,5.6vw,88px);max-width:14ch;line-height:.98;letter-spacing:-.04em}
.ph-hero .hero-photo img{opacity:.6;filter:saturate(1.1)}
.ph-hero .lede{max-width:56ch}
.ph-hero .cta-row{margin:28px 0 18px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 22px;font:500 12px/1.5 var(--f-m);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);pointer-events:auto}
.crumbs a{color:#E9ECF2;text-decoration:none;padding:6px 0}
.crumbs a:hover{color:var(--g)}
.crumbs [aria-current]{color:var(--muted)}
.hero-tel{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:#C9CFDB;font:500 15px var(--f-m);letter-spacing:.04em;text-decoration:none}
.hero-tel:hover{color:var(--g)}
@media(max-width:767px){
  .ph-hero{min-height:auto;padding-top:104px}
  .ph-hero h1{font-size:clamp(32px,9.6vw,46px)}
  .crumbs{margin-bottom:16px}
  .hero-tel{justify-content:center;width:100%}
}

/* Статья */
.art{padding:clamp(56px,8vw,120px) 0 clamp(60px,8vw,110px)}
.art-grid{display:grid;grid-template-columns:260px minmax(0,760px);justify-content:space-between;gap:clamp(32px,6vw,96px)}
.toc{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 120px);overflow:auto}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t;border-left:1px solid var(--line-l)}
.toc li{counter-increment:t}
.toc ol a{position:relative;display:grid;grid-template-columns:30px 1fr;padding:9px 0 9px 16px;color:var(--muted-ink);text-decoration:none;font-size:15px;line-height:1.4;transition:color .25s}
.toc ol a::before{content:counter(t,decimal-leading-zero);font:500 12px/1.9 var(--f-m);color:var(--muted)}
.toc ol a::after{content:"";position:absolute;left:-1px;top:8px;bottom:8px;width:2px;background:var(--g);box-shadow:0 0 10px var(--g);transform:scaleY(0);transition:transform .4s var(--ease)}
.toc ol a:hover,.toc ol a[aria-current]{color:var(--ink)}
.toc ol a[aria-current]::after{transform:scaleY(1)}
.toc-tel{display:inline-block;margin-top:24px;font:600 15px var(--f-m);color:var(--ink);text-decoration-color:var(--g);text-decoration-thickness:2px;text-underline-offset:5px}

.prose{color:#2A303C;font-size:clamp(18px,1.3vw,20px);line-height:1.65;min-width:0}
.prose > p:first-child{font-size:clamp(20px,1.6vw,24px);line-height:1.5;color:var(--ink)}
.art-sec{padding-top:8px;scroll-margin-top:88px}
.art-sec + .art-sec,.art-fig + .art-sec,.offer + .art-sec{margin-top:clamp(36px,4.5vw,64px)}
.prose h2{font-size:clamp(26px,2.8vw,40px);max-width:22ch;margin-bottom:.7em;line-height:1.1}
.prose h3{margin:1.4em 0 .5em}
.prose a{color:var(--ink);text-decoration-color:var(--g);text-decoration-thickness:2px;text-underline-offset:4px;transition:background .25s}
.prose a:not(.btn):hover{background:rgba(57,255,136,.18)}
.prose .btn{text-decoration:none}
.prose .btn-laser{color:var(--ink)}
.prose .btn-ghost{color:#fff}
.prose a[target=_blank]::after{content:"↗";display:inline-block;margin-left:3px;font-size:.8em;color:var(--muted-ink)}
.prose b{color:var(--ink);font-weight:700}
.prose ul,.prose ol{margin:0 0 1.2em;padding:0;list-style:none}
.prose li{position:relative;padding:6px 0 6px 34px}
.prose ul li::before{content:"";position:absolute;left:4px;top:.95em;width:16px;height:2px;background:var(--g);box-shadow:0 0 8px var(--g)}
.prose ol{counter-reset:l}
.prose ol li{counter-increment:l}
.prose ol li::before{content:counter(l,decimal-leading-zero);position:absolute;left:0;top:.62em;font:500 13px var(--f-m);letter-spacing:.06em;color:var(--muted-ink)}
.tbl{margin:8px 0 1.4em;overflow-x:auto;border-radius:16px;box-shadow:0 0 0 1px var(--line-l)}
.tbl table{width:100%;border-collapse:collapse;font-size:16px;min-width:480px}
.tbl th,.tbl td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line-l);vertical-align:top}
.tbl thead th{font:500 12px/1.4 var(--f-m);letter-spacing:.1em;text-transform:uppercase;color:var(--ink);background:var(--paper-2);border-bottom:2px solid var(--g)}
.tbl tbody th{font-weight:600;color:var(--ink)}
.tbl tr:last-child th,.tbl tr:last-child td{border-bottom:0}

.art-fig{margin:clamp(36px,4.5vw,60px) 0 0}
.art-fig img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;background:var(--night);box-shadow:0 30px 80px -40px rgba(11,13,18,.55)}
.art-fig figcaption{margin-top:12px;font:500 12px/1.5 var(--f-m);letter-spacing:.06em;color:var(--muted-ink)}

/* Оффер в середине статьи */
.offer{position:relative;overflow:hidden;margin:clamp(40px,5vw,72px) 0 0;padding:clamp(28px,4vw,48px);border-radius:24px;background:linear-gradient(160deg,#10141E,#07080C);color:#E9ECF2;isolation:isolate}
.offer-h{font:700 clamp(24px,2.6vw,36px)/1.1 var(--f-h);letter-spacing:-.02em;max-width:18ch;margin:0 0 24px;color:#fff}
.offer-cta{display:flex;flex-wrap:wrap;gap:12px}
.offer-tel{display:inline-block;margin-top:16px;color:#C9CFDB;font:500 15px var(--f-m);text-decoration:none;min-height:44px;line-height:44px}
.offer-tel:hover{color:var(--g)}
.offer-beams{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.55}
.offer-beams i{position:absolute;bottom:-20%;right:12%;width:2px;height:140%;transform-origin:50% 100%;background:linear-gradient(0deg,var(--b),transparent 80%);filter:drop-shadow(0 0 6px var(--b))}
.offer-beams i:nth-child(1){--b:var(--g);transform:rotate(-22deg)}
.offer-beams i:nth-child(2){--b:var(--c);transform:rotate(-11deg)}
.offer-beams i:nth-child(3){--b:var(--m);transform:rotate(0)}
.offer-beams i:nth-child(4){--b:var(--c);transform:rotate(11deg)}
.offer-beams i:nth-child(5){--b:var(--g);transform:rotate(22deg)}
.js .offer .offer-beams i{transform:rotate(0) scaleY(.2);transition:transform 1.4s var(--ease)}
.js .offer.lit .offer-beams i:nth-child(1){transform:rotate(-22deg)}
.js .offer.lit .offer-beams i:nth-child(2){transform:rotate(-11deg)}
.js .offer.lit .offer-beams i:nth-child(3){transform:rotate(0)}
.js .offer.lit .offer-beams i:nth-child(4){transform:rotate(11deg)}
.js .offer.lit .offer-beams i:nth-child(5){transform:rotate(22deg)}

/* Источники */
.srcs{margin-top:clamp(48px,6vw,80px);padding-top:28px;border-top:1px solid var(--ink)}
.srcs ul{margin:0}
.srcs li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;padding:12px 0;border-bottom:1px solid var(--line-l)}
.srcs li::before{display:none}
.srcs span{font:500 12px/1.9 var(--f-m);letter-spacing:.06em;color:var(--muted-ink)}

/* Форма: заголовок-абзац (H2 не плодим), переключатель Аренда / Покупка, PDF */
.lead-h{font:700 clamp(24px,2.2vw,32px)/1.1 var(--f-h);letter-spacing:-.02em;margin:0 0 .4em}
.seg{border:0;margin:0;padding:0;min-width:0}
.seg legend{font:500 13px var(--f-m);letter-spacing:.06em;text-transform:uppercase;color:var(--muted-ink);padding:0;margin-bottom:6px}
.seg-in{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:4px;border-radius:14px;background:#fff;box-shadow:0 0 0 1px var(--line-l)}
.lead .seg label{display:block;position:relative;cursor:pointer;text-transform:none;letter-spacing:0}
.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg span{display:flex;align-items:center;justify-content:center;min-height:44px;border-radius:10px;font:600 16px var(--f-t);color:var(--muted-ink);transition:background .25s,color .25s,box-shadow .25s}
.seg input:checked + span{background:var(--ink);color:#fff;box-shadow:0 0 0 1px var(--g),0 0 18px rgba(57,255,136,.35)}
.seg input:focus-visible + span{outline:2px solid var(--ink);outline-offset:2px}
.lead-pdf{display:inline-flex;align-items:center;min-height:44px;margin-top:14px;font:500 14px var(--f-m);color:var(--ink);text-decoration-color:var(--g);text-decoration-thickness:2px;text-underline-offset:5px}

/* Футер: все статьи */
.ftr .ftr-seo{display:grid;flex-direction:initial;grid-template-columns:repeat(3,1fr);gap:0 32px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line-d)}
.ftr-seo a{color:var(--muted);text-decoration:none;padding:9px 0;font-size:15px}
.ftr-seo a:hover{color:var(--g)}

@media(max-width:1023px){
  .art-grid{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;max-height:none;padding:20px;border-radius:18px;background:var(--paper-2)}
  .toc-tel{display:none}
  .ftr .ftr-seo{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .offer-cta .btn{width:100%}
  .offer-tel{display:block;text-align:center}
  .ftr .ftr-seo{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.prog{display:none}.js .offer .offer-beams i{transition:none}}

/* Правки арт-директора r2 (08.10): фото арфы ярче, лучи тоньше, лид в 1 предложение, крошки в строку, «Читайте также» без дыр */
.ph-hero .hero-photo img{opacity:1;filter:saturate(1.1) contrast(1.04)}
.ph-hero .hero-photo::after{background:linear-gradient(90deg,rgba(7,8,12,.55) 0%,rgba(7,8,12,.3) 26%,rgba(7,8,12,0) 52%),linear-gradient(180deg,rgba(7,8,12,.45),transparent 22%,transparent 72%,var(--night))}
.ph-hero .beams{opacity:.5}
.ph-hero .beams-css{opacity:.5}
.ph-hero .beams-css i{width:2px}
.ph-hero .beams-css i:nth-child(1),.ph-hero .beams-css i:nth-child(7){display:none}
.ph-hero h1,.ph-hero .lede{text-shadow:0 2px 24px rgba(7,8,12,.95),0 0 2px rgba(7,8,12,.7)}
.ph-hero .lede{max-width:44ch}
.ph-hero .btn-ghost{background:rgba(7,8,12,.6);border-color:rgba(255,255,255,.5);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.nw{white-space:nowrap}
.crumbs{flex-wrap:nowrap;white-space:nowrap;min-width:0;max-width:100%}
.crumbs [aria-current]{overflow:hidden;text-overflow:ellipsis;min-width:0}
/* Текст героя на ПК — на тёмной половине, фото справа */
@media(min-width:768px){
  .ph-hero .hero-photo{left:40%}
  .ph-hero .hero-photo::after{background:linear-gradient(90deg,var(--night) 0%,rgba(7,8,12,.55) 16%,rgba(7,8,12,.15) 40%,rgba(7,8,12,0) 60%),linear-gradient(180deg,rgba(7,8,12,.4),transparent 22%,transparent 74%,var(--night))}
}
@media(max-width:767px){
  .ph-hero .hero-photo img{opacity:.9}
  .ph-hero .hero-photo::after{background:linear-gradient(180deg,rgba(7,8,12,.55),rgba(7,8,12,.15) 28%,rgba(7,8,12,.55) 50%,rgba(7,8,12,.88) 72%,var(--night))}
  .ph-hero .cta-row{margin:20px 0 6px}
}
/* dlya-detej: светлый кадр — темнее и левее не заходит под текст */
.ph-dlya-detej .hero-photo img{filter:brightness(.62) saturate(1.05) contrast(1.1)}
@media(min-width:768px){.ph-dlya-detej .hero-photo{left:50%}.ph-dlya-detej .hero-photo::after{background:linear-gradient(90deg,var(--night) 0%,rgba(7,8,12,.7) 18%,rgba(7,8,12,.25) 42%,rgba(7,8,12,0) 62%),linear-gradient(180deg,rgba(7,8,12,.4),transparent 22%,transparent 74%,var(--night))}}
.see-grid.c4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1023px){.see-grid.c4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){
  .see-grid,.see-grid.c4{display:grid;grid-auto-flow:column;grid-template-columns:none;grid-auto-columns:82%;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;margin:0 calc(-1 * var(--pad));padding:4px var(--pad) 12px;scroll-padding:0 var(--pad);scrollbar-width:none}
  .see-grid::-webkit-scrollbar{display:none}
  .see-grid a{scroll-snap-align:start}
}
/* Лучи и дымка WebGL не ложатся под текст героя (контраст лида ≥4.5:1) */
@media(min-width:768px){.ph-hero .beams,.ph-hero .beams-css{-webkit-mask-image:linear-gradient(90deg,transparent 0,transparent 38%,#000 66%);mask-image:linear-gradient(90deg,transparent 0,transparent 38%,#000 66%)}}
/* Планшет: колонка текста шире половины экрана — затемняем фото под ней сильнее */
@media(min-width:768px) and (max-width:1023px){.ph-hero .hero-photo::after,.ph-dlya-detej .hero-photo::after{background:linear-gradient(90deg,var(--night) 0%,rgba(7,8,12,.82) 30%,rgba(7,8,12,.45) 52%,rgba(7,8,12,0) 76%),linear-gradient(180deg,rgba(7,8,12,.4),transparent 22%,transparent 74%,var(--night))}}
@media(min-width:768px) and (max-width:1023px){.ph-hero .beams,.ph-hero .beams-css{-webkit-mask-image:linear-gradient(90deg,transparent 0,transparent 66%,#000 88%);mask-image:linear-gradient(90deg,transparent 0,transparent 66%,#000 88%)}}