body.letters-product-page{background:#06131f;color:#edf5fa}.letters-main{max-width:1460px;margin:0 auto;padding:0 28px 64px}.letters-breadcrumbs{display:flex;gap:9px;align-items:center;padding:22px 0 12px;color:#7890a4;font-size:13px}.letters-breadcrumbs a{color:#a9bdcc}.letters-breadcrumbs b{color:#e4edf4}.letters-kicker{display:block;color:#ffd12f;font-size:12px;font-weight:900;letter-spacing:.14em}.letters-hero{display:grid;grid-template-columns:minmax(0,.9fr) minmax(520px,1.1fr);gap:24px;align-items:stretch;margin-top:8px}.letters-hero-copy{padding:36px 38px;border-radius:22px;background:linear-gradient(145deg,#102a3d 0%,#0a1926 68%,#07131e 100%);border:1px solid rgba(137,184,218,.18);display:flex;flex-direction:column;justify-content:center}.letters-hero h1{margin:10px 0 14px;max-width:720px;font-size:50px;line-height:1.02;letter-spacing:-.025em}.letters-lead{margin:0;max-width:720px;color:#bfd0dc;font-size:18px;line-height:1.58}.letters-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:26px}.letters-facts>div{padding:14px 15px;border-radius:13px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.07)}.letters-facts b{display:block;color:#fff;font-size:19px}.letters-facts span{display:block;margin-top:4px;color:#9fb2c1;font-size:13px;line-height:1.35}.letters-hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:24px}.letters-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;font-size:14px;font-weight:900}.letters-btn-primary{background:#ffd12f;color:#14202a}.letters-btn-ghost{border:1px solid rgba(210,227,239,.34);color:#eef5fa;background:rgba(255,255,255,.035)}.letters-hero-photo{position:relative;min-height:500px;margin:0;overflow:hidden;border-radius:22px;background:#02080d}.letters-hero-photo img{width:100%;height:100%;object-fit:cover;display:block}.letters-hero-photo:after{content:"";position:absolute;inset:54% 0 0;background:linear-gradient(transparent,rgba(1,7,11,.93))}.letters-hero-photo figcaption{position:absolute;z-index:2;left:24px;right:24px;bottom:22px}.letters-hero-photo b{display:block;font-size:23px}.letters-hero-photo span{display:block;margin-top:4px;color:#c0cfda;font-size:14px}.letters-calculator{display:grid;grid-template-columns:minmax(260px,.9fr) minmax(300px,.95fr) minmax(250px,.75fr);grid-template-areas:"copy controls result" "action action result";gap:18px;margin-top:20px;padding:24px;border-radius:20px;background:#f0f4f6;color:#13212c;box-shadow:0 16px 42px rgba(0,0,0,.2)}.letters-calc-copy{grid-area:copy}.letters-calc-copy h2{margin:6px 0 8px;font-size:28px;line-height:1.12}.letters-calc-copy p{margin:0;color:#506270;font-size:15px;line-height:1.5}.letters-calc-controls{grid-area:controls;display:grid;grid-template-columns:repeat(2,minmax(120px,1fr));gap:12px;align-content:center}.letters-calc-controls label{display:grid;gap:7px}.letters-calc-controls label span{font-size:13px;font-weight:800;color:#405563}.letters-calc-controls input{height:48px;width:100%;padding:0 13px;border:1px solid #bbc9d2;border-radius:10px;background:#fff;color:#0e1a23;text-align:center;font-size:18px;font-weight:850;outline:none}.letters-calc-controls input:focus{border-color:#d5ab00;box-shadow:0 0 0 3px rgba(213,171,0,.12)}.letters-calc-result{grid-area:result;display:flex;flex-direction:column;justify-content:center;padding:21px;border-radius:16px;background:#102f45;color:#fff;border:1px solid rgba(255,209,47,.38)}.letters-calc-result>span{font-size:13px;color:#b6c9d6}.letters-calc-result strong{display:block;margin:5px 0;color:#ffd12f;font-size:40px;line-height:1}.letters-calc-result div{font-size:14px;color:#d6e1e8}.letters-calc-action{grid-area:action;display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:2px}.letters-calc-action p{margin:0;max-width:720px;color:#657683;font-size:13px;line-height:1.45}.letters-calc-action a{flex:0 0 auto;padding:12px 17px;border-radius:9px;background:#ffd12f;color:#14202a;font-size:13px;font-weight:900}.letters-examples{margin-top:52px}.letters-section-head{display:flex;justify-content:space-between;align-items:end;gap:26px;margin-bottom:18px}.letters-section-head h2{margin:7px 0 0;font-size:34px;line-height:1.12}.letters-section-head>p{max-width:520px;margin:0;color:#9eb2c1;font-size:16px;line-height:1.5}.letters-section-head>a{color:#ffd12f;font-size:14px;font-weight:850}.letters-gallery{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:16px}.letters-gallery figure{position:relative;min-height:310px;margin:0;overflow:hidden;border-radius:18px;background:#02090f}.letters-gallery-main{min-height:390px}.letters-gallery img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s ease}.letters-gallery figure:hover img{transform:scale(1.015)}.letters-gallery figure:after{content:"";position:absolute;inset:48% 0 0;background:linear-gradient(transparent,rgba(2,8,13,.94))}.letters-gallery figcaption{position:absolute;z-index:2;left:19px;right:19px;bottom:17px}.letters-gallery figcaption b{display:block;font-size:20px}.letters-gallery figcaption span{display:block;margin-top:4px;color:#c1ced7;font-size:14px;line-height:1.4}.letters-classic{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);gap:18px;margin-top:48px}.letters-classic-copy{padding:34px 36px;border-radius:20px;background:#e8edf0;color:#14222d}.letters-classic-copy h2{margin:8px 0 14px;font-size:34px;line-height:1.14}.letters-classic-copy p{margin:0 0 13px;color:#435662;font-size:16px;line-height:1.62}.letters-use-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.letters-use-list span{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid #c8d3da;color:#263945;font-size:13px;font-weight:750}.letters-construction{padding:28px;border-radius:20px;background:linear-gradient(160deg,#13374f,#091722);border:1px solid rgba(135,184,219,.18)}.letters-construction h3{margin:0 0 14px;font-size:24px}.letters-construction>div{display:grid;grid-template-columns:42px 1fr;gap:12px;padding:13px 0;border-top:1px solid rgba(190,214,230,.14)}.letters-construction>div:first-of-type{border-top:0}.letters-construction>div>b{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:#ffd12f;color:#14202a;font-size:13px}.letters-construction span{color:#adbfcc;font-size:14px;line-height:1.4}.letters-construction strong{display:block;margin-bottom:2px;color:#fff;font-size:16px}.letters-price-factors{margin-top:48px;padding:30px;border-radius:20px;background:#0b1b28;border:1px solid rgba(129,177,212,.16)}.letters-factor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.letters-factor-grid article{padding:20px;border-radius:14px;background:#132d40}.letters-factor-grid article:nth-child(even){background:#152431}.letters-factor-grid b{display:block;font-size:17px}.letters-factor-grid p{margin:7px 0 0;color:#aec0cc;font-size:14px;line-height:1.5}.letters-split{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.letters-color-panel,.letters-warranty-panel{padding:30px;border-radius:18px}.letters-color-panel{background:#f0d463;color:#17232c}.letters-color-panel .letters-kicker{color:#665000}.letters-warranty-panel{background:#dce8ef;color:#172630}.letters-warranty-panel .letters-kicker{color:#35596d}.letters-split h2{margin:7px 0 10px;font-size:29px}.letters-split p{margin:0;max-width:600px;font-size:15px;line-height:1.55;color:inherit;opacity:.82}.letters-split a{display:inline-flex;margin-top:17px;padding:10px 14px;border-radius:9px;background:#10202b;color:#fff;font-size:13px;font-weight:850}.letters-seo{margin-top:48px;padding:34px 36px;border-radius:20px;background:#081724;border:1px solid rgba(132,179,212,.15)}.letters-seo header h2{margin:7px 0 20px;font-size:34px}.letters-seo-columns{display:grid;grid-template-columns:1fr 1fr;gap:36px}.letters-seo p{margin:0 0 15px;color:#b7c8d3;font-size:16px;line-height:1.7}.letters-seo strong{color:#fff}.letters-promo{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:20px;padding:28px 32px;border-radius:18px;background:linear-gradient(110deg,#19374a,#0c1c28);border:1px solid rgba(255,209,47,.35)}.letters-promo h2{margin:6px 0 5px;font-size:27px}.letters-promo p{margin:0;color:#aec0cc;font-size:15px}.letters-promo>a{flex:0 0 auto;padding:13px 18px;border-radius:9px;background:#ffd12f;color:#13202a;font-size:14px;font-weight:900}.letters-main .shared-products{margin-top:54px}.letters-main .products-heading h2,.letters-main .catalog-copy b{font-size:inherit}@media(max-width:1180px){.letters-hero{grid-template-columns:1fr 1fr}.letters-hero h1{font-size:43px}.letters-calculator{grid-template-columns:1fr 1fr;grid-template-areas:"copy result" "controls result" "action action"}.letters-classic{grid-template-columns:1fr}.letters-factor-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:900px){.letters-hero{grid-template-columns:1fr}.letters-hero-photo{min-height:420px}.letters-gallery{grid-template-columns:1fr 1fr}.letters-gallery-main{grid-column:1/-1}.letters-calculator{grid-template-columns:1fr;grid-template-areas:"copy" "controls" "result" "action"}.letters-calc-action{align-items:flex-start}.letters-seo-columns{grid-template-columns:1fr;gap:0}}@media(max-width:700px){.letters-main{padding:0 14px 46px}.letters-breadcrumbs{font-size:12px}.letters-hero-copy{padding:25px 21px}.letters-hero h1{font-size:36px}.letters-lead{font-size:16px}.letters-facts{grid-template-columns:1fr}.letters-hero-photo{min-height:330px}.letters-calculator{padding:18px}.letters-calc-controls{grid-template-columns:1fr 1fr}.letters-calc-result strong{font-size:35px}.letters-calc-action{display:block}.letters-calc-action a{display:inline-flex;margin-top:12px}.letters-section-head{display:block}.letters-section-head>p,.letters-section-head>a{display:block;margin-top:10px}.letters-gallery{grid-template-columns:1fr}.letters-gallery-main{grid-column:auto}.letters-gallery figure,.letters-gallery-main{min-height:300px}.letters-classic-copy,.letters-construction,.letters-price-factors,.letters-seo{padding:24px 20px}.letters-classic-copy h2,.letters-section-head h2,.letters-seo header h2{font-size:29px}.letters-factor-grid,.letters-split{grid-template-columns:1fr}.letters-promo{display:block;padding:24px 20px}.letters-promo>a{display:inline-flex;margin-top:16px}}@media(max-width:430px){.letters-calc-controls{grid-template-columns:1fr}.letters-hero-actions{display:grid}.letters-btn{width:100%}}

/* 16.09.2026: доп. класс — сетка фото-карточек (варианты подсветки, доп. примеры, заглушки-места под будущие фото) */
.letters-light-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-top:4px}
.letters-light-grid figure{margin:0}
.letters-light-grid img{width:100%;height:auto;object-fit:contain;border-radius:12px;display:block;background:#0b1b28}
.letters-light-grid figcaption{margin-top:10px;font-size:13.5px;line-height:1.45;color:#aec0cc}
.letters-light-grid figcaption b{display:block;color:#fff;font-size:15px;margin-bottom:3px}

/* 16.09.2026: фото-карточка внутри стандартной сетки факторов — фото интегрировано прямо в карточку, а не отдельным блоком */
.letters-factor-grid--photo article{padding:0;overflow:hidden}
.letters-factor-grid--photo article img{width:100%;aspect-ratio:4/3;object-fit:contain;display:block;background:#0b1b28}
.letters-factor-grid--photo article b{padding:14px 16px 0;margin-top:0}
.letters-factor-grid--photo article p{padding:0 16px;margin:7px 0 16px}
@media(max-width:700px){.letters-factor-grid--photo article img{aspect-ratio:16/10}}