/* Печать-студия — 3D-печать на заказ */
@font-face{font-family:'Inter';font-style:normal;font-weight:400 600;font-display:swap;src:url("../fonts/inter-cyrillic.de93fdc85e3d.woff2") format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 600;font-display:swap;src:url("../fonts/inter-latin.260c81a4759b.woff2") format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Unbounded';font-style:normal;font-weight:200 900;font-display:swap;src:url("../fonts/unbounded-cyrillic-wght-normal.3a5ed4d11365.woff2") format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Unbounded';font-style:normal;font-weight:200 900;font-display:swap;src:url("../fonts/unbounded-latin-wght-normal.b11589bda16e.woff2") format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --bg:#f4f2ee;
  --surface:#ffffff;
  --surface-2:#faf9f6;
  --ink:#14161b;
  --ink-2:#2a2e37;
  --muted:#5f6571;
  --line:#e2ded5;
  --plate:#14161b;
  --plate-2:#1d2028;
  --plate-line:rgba(255,255,255,.06);
  --on-plate:#ecebe7;
  --on-plate-muted:#a4a9b4;
  --accent:#ff5b1f;
  --accent-2:#ff7a3d;
  --accent-ink:#ffffff;
  --accent-soft:#fff0e8;
  --accent-text:#d9430c;
  --ok:#1f9d63;
  --error:#c62f2f;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(20,22,27,.05),0 8px 24px rgba(20,22,27,.07);
  --shadow-lg:0 20px 60px rgba(20,22,27,.18);
  --head:'Unbounded','Inter',system-ui,sans-serif;
  --body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent-text);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent)}
h1,h2,h3{font-family:var(--head);font-weight:600;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:1.1rem}
p{margin:0 0 1em}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.muted{color:var(--muted)}
.small{font-size:.88rem}
[hidden]{display:none!important}

/* --- кнопки --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;border:1.5px solid transparent;background:var(--ink);color:#fff;font-weight:600;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .15s;white-space:nowrap}
.btn:hover{color:#fff;transform:translateY(-1px)}
.btn:active{transform:none}
.btn:disabled{opacity:.6;cursor:wait;transform:none}
.btn-accent{background:var(--accent);color:var(--accent-ink);box-shadow:0 6px 20px rgba(255,91,31,.3)}
.btn-accent:hover{background:var(--accent-2);color:var(--accent-ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{color:var(--ink);border-color:var(--ink)}
.btn-outline-light{background:transparent;color:var(--on-plate);border-color:rgba(255,255,255,.25)}
.btn-outline-light:hover{color:#fff;border-color:#fff}
.btn-sm{padding:8px 14px;font-size:.9rem}
.btn-lg{padding:14px 26px;font-size:1.02rem}
.link-btn{background:none;border:0;padding:0;font:inherit;color:var(--accent-text);cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* --- шапка --- */
.header{position:sticky;top:0;z-index:30;background:rgba(20,22,27,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--plate-line);color:var(--on-plate)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--on-plate);text-decoration:none;flex-shrink:0}
.logo:hover{color:#fff}
.logo-mark{width:36px;height:36px}
.logo-bg{fill:#262a33}
.logo-nozzle{fill:#e9e6df}
.logo-tip,.logo-layer-hot{fill:var(--accent)}
.logo-layer{fill:#7d828d}
.logo-layer-hot{animation:hot 2.4s ease-in-out infinite}
.logo-text{font-family:var(--head);font-weight:600;font-size:1.05rem;letter-spacing:-.01em}
.logo-dash{color:var(--accent)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--on-plate-muted);text-decoration:none;padding:8px 12px;border-radius:999px;font-size:.95rem;font-weight:500}
.nav a:hover,.nav a.is-active{color:#fff;background:rgba(255,255,255,.07)}
.header-actions{display:flex;align-items:center;gap:12px}
.header-phone{color:var(--on-plate);text-decoration:none;font-weight:600;font-size:.95rem}
.header-phone:hover{color:#fff}
.burger{display:none;width:42px;height:42px;border:0;background:rgba(255,255,255,.07);border-radius:12px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:18px;height:2px;background:var(--on-plate);border-radius:2px;transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* --- первый экран --- */
.hero{position:relative;background:var(--plate);color:var(--on-plate);overflow:hidden;
  background-image:linear-gradient(var(--plate-line) 1px,transparent 1px),linear-gradient(90deg,var(--plate-line) 1px,transparent 1px);background-size:32px 32px}
.hero::after{content:"";position:absolute;inset:auto -10% -40% 30%;height:80%;background:radial-gradient(closest-side,rgba(255,91,31,.22),transparent);pointer-events:none}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-top:72px;padding-bottom:72px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2);margin-bottom:14px}
.eyebrow-dark{color:var(--accent-text)}
.hero h1{color:#fff}
.hl{color:var(--accent);background:linear-gradient(transparent 62%,rgba(255,91,31,.18) 62%)}
.lead{font-size:1.15rem;color:var(--on-plate-muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.hero-facts{list-style:none;display:flex;flex-wrap:wrap;gap:12px 36px;padding:0;margin:40px 0 0}
.hero-facts li{display:flex;flex-direction:column}
.hero-facts strong{font-family:var(--head);font-weight:600;font-size:1.35rem;color:#fff}
.hero-facts span{font-size:.88rem;color:var(--on-plate-muted)}
.hero-art{display:flex;justify-content:center}
.printer{width:100%;max-width:440px;height:auto;filter:drop-shadow(0 30px 40px rgba(0,0,0,.35))}
.printer .frame{fill:#2a2e38}
.printer .rail{fill:#3a3f4b}
.printer .bed{fill:#30343e}
.printer .carriage{fill:#3d424e}
.printer .hotend{fill:#4a505d}
.printer .fin{fill:#2a2e38}
.printer .nozzle{fill:#d9b98c}
.printer .drip{fill:var(--accent)}
.printer .filament{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;opacity:.85}
.printer .head{animation:head 3.2s ease-in-out infinite alternate;transform:translateX(160px)}
.printer .hot-layer{animation:hot 1.6s ease-in-out infinite}
@keyframes head{from{transform:translateX(158px)}to{transform:translateX(262px)}}
@keyframes hot{0%,100%{opacity:1}50%{opacity:.72}}

/* --- шаги --- */
.steps-wrap{background:var(--plate-2);color:var(--on-plate);border-top:1px solid var(--plate-line)}
.steps{list-style:none;margin:0;padding:28px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.steps li{display:flex;gap:16px;align-items:flex-start}
.step-num{flex-shrink:0;display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:rgba(255,91,31,.14);color:var(--accent-2);font-family:var(--head);font-weight:600}
.steps strong{display:block;color:#fff;margin-bottom:2px}
.steps p{margin:0;color:var(--on-plate-muted);font-size:.93rem}

/* --- секции --- */
.section{padding:88px 0}
.section-tight{padding:48px 0 88px}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:40px;max-width:720px}
.section-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;max-width:none}
.section-lead{color:var(--muted);font-size:1.05rem;margin:0}
.section-plate{background:var(--plate);color:var(--on-plate);
  background-image:linear-gradient(var(--plate-line) 1px,transparent 1px),linear-gradient(90deg,var(--plate-line) 1px,transparent 1px);background-size:32px 32px}
.section-plate h2{color:#fff}
.section-plate .section-lead{color:var(--on-plate-muted)}

/* --- услуги --- */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.service:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:transparent}
.service-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--accent-soft);margin-bottom:18px}
.icon{width:28px;height:28px;fill:none;stroke:var(--accent-text);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.service p{color:var(--muted);margin-bottom:16px}
.service-price{margin:auto 0 0!important;font-weight:600;color:var(--ink)!important}

/* --- калькулятор --- */
.calc{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:start}
.card{background:var(--surface);color:var(--ink);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-lg)}
.card-title{display:flex;align-items:center;gap:10px;font-size:1rem;margin-bottom:18px}
.card-num{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--ink);color:#fff;font-size:.85rem}
.calc-contact,.calc-done{grid-column:1/-1}
.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;min-height:170px;padding:24px;border:2px dashed var(--line);border-radius:var(--radius-sm);background:var(--surface-2);cursor:pointer;transition:border-color .15s,background .15s}
.dropzone:hover,.dropzone.is-over{border-color:var(--accent);background:var(--accent-soft)}
.dropzone .icon{width:36px;height:36px}
.dropzone-title{font-weight:600}
.dropzone-title u{color:var(--accent-text);text-underline-offset:3px}
.dropzone-hint{font-size:.85rem;color:var(--muted)}
.file-list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.file-list li{display:flex;align-items:center;gap:10px;padding:8px 10px 8px 14px;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;font-size:.92rem}
.file-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-size{color:var(--muted);font-size:.85rem;flex-shrink:0}
.file-badge{font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent-text);flex-shrink:0}
.file-remove{border:0;background:none;width:28px;height:28px;border-radius:8px;cursor:pointer;color:var(--muted);font-size:1.2rem;line-height:1;flex-shrink:0}
.file-remove:hover{background:#eee;color:var(--ink)}
.preview{margin-top:14px}
.preview canvas{width:100%;height:auto;aspect-ratio:14/9;border-radius:var(--radius-sm);background:radial-gradient(circle at 50% 40%,#2a2e38,#14161b);display:block}
.model-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0 0}
.model-stats div{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.model-stats dt{font-size:.78rem;color:var(--muted)}
.model-stats dd{margin:0;font-weight:600;font-size:.95rem}
.warn{margin:10px 0 0;padding:10px 14px;border-radius:10px;background:#fff6dc;color:#7a5600;font-size:.9rem}
#model-note{margin:12px 0 0}
.materials-pick{border:0;padding:0;margin:0 0 16px;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.materials-pick legend,.field>span{display:block;font-size:.85rem;font-weight:600;color:var(--ink-2);margin-bottom:6px;padding:0}
.pick{position:relative;cursor:pointer}
.pick input{position:absolute;opacity:0;pointer-events:none}
.pick-body{display:flex;flex-direction:column;height:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:12px;transition:border-color .15s,background .15s}
.pick-body small{color:var(--muted);font-size:.78rem;line-height:1.35;margin:2px 0 6px}
.pick-body em{font-style:normal;font-weight:600;font-size:.85rem;color:var(--accent-text);margin-top:auto}
.pick:hover .pick-body{border-color:#c9c4b9}
.pick input:checked+.pick-body{border-color:var(--accent);background:var(--accent-soft)}
.pick input:focus-visible+.pick-body{outline:3px solid var(--accent);outline-offset:2px}
.field{display:block;margin-bottom:14px}
.field input,.field select,.field textarea,.chat-form input{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;background:#fff;transition:border-color .15s}
.field textarea{resize:vertical;min-height:84px}
.field input:focus,.field select:focus,.field textarea:focus,.chat-form input:focus{outline:0;border-color:var(--accent)}
.row-2{display:grid;grid-template-columns:1.7fr 1fr;gap:12px}
.row-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.price{display:flex;flex-direction:column;gap:2px;padding:18px;border-radius:12px;background:var(--plate);color:var(--on-plate)}
.price-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--on-plate-muted)}
.price-value{font-family:var(--head);font-weight:600;font-size:2rem;color:#fff;line-height:1.2}
.price-value.is-ready{color:var(--accent-2)}
.price-note{font-size:.85rem;color:var(--on-plate-muted)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--muted);margin:4px 0 16px;cursor:pointer}
.consent input{margin-top:3px;width:18px;height:18px;accent-color:var(--accent);flex-shrink:0}
.error{margin:0 0 14px;padding:10px 14px;border-radius:10px;background:#fdecec;color:var(--error);font-size:.92rem}
.progress{height:6px;border-radius:999px;background:var(--line);overflow:hidden;margin:0 0 14px}
.progress span{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.calc-done{text-align:center;padding:48px 26px}
.done-icon{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:50%;background:#e6f6ee;margin-bottom:14px}
.done-icon .icon{stroke:var(--ok);width:32px;height:32px;stroke-width:2.5}
.calc-done p{color:var(--muted);max-width:560px;margin:0 auto 20px}

/* --- материалы --- */
.materials{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.material{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column}
.material header{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:6px}
.material h3{margin:0;font-size:1.25rem}
.material-price{font-weight:600;color:var(--accent-text);white-space:nowrap}
.material-price small{color:var(--muted);font-weight:400}
.material-short{font-weight:600;color:var(--ink-2)}
.material p{font-size:.93rem;color:var(--muted)}
.ticks{list-style:none;padding:0;margin:0 0 14px;font-size:.92rem}
.ticks li{position:relative;padding-left:22px;margin-bottom:4px}
.ticks li::before{content:"";position:absolute;left:2px;top:.55em;width:10px;height:6px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}
.material-colors{margin:auto 0 0!important;padding-top:12px;border-top:1px solid var(--line);font-size:.86rem!important}
.material-colors span{color:var(--ink);font-weight:600}

/* --- портфолио --- */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.work{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.work img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#ddd}
.work figcaption{padding:16px 18px}
.work strong{display:block}
.work span{font-size:.85rem;color:var(--accent-text);font-weight:500}
.work p{margin:6px 0 0;font-size:.9rem;color:var(--muted)}
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);padding:48px 24px;text-align:center;color:var(--muted)}

/* --- вопросы --- */
.faq{display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 22px;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--shadow)}
.faq summary{cursor:pointer;list-style:none;padding:18px 32px 18px 0;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--accent-text);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{color:var(--muted);margin:0 0 18px}

/* --- контакты --- */
.contacts{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;background:var(--plate);color:var(--on-plate);border-radius:24px;padding:48px;
  background-image:radial-gradient(circle at 100% 0,rgba(255,91,31,.25),transparent 50%)}
.contacts h2{color:#fff}
.contacts-text p{color:var(--on-plate-muted)}
.contacts-list{margin:0;display:flex;flex-direction:column;gap:14px}
.contacts-list div{padding-bottom:14px;border-bottom:1px solid var(--plate-line)}
.contacts-list div:last-child{border-bottom:0;padding-bottom:0}
.contacts-list dt{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--on-plate-muted)}
.contacts-list dd{margin:2px 0 0;font-weight:600;font-size:1.05rem;color:#fff}
.contacts-list a{color:#fff;text-decoration:none}
.contacts-list a:hover{color:var(--accent-2)}

/* --- внутренние страницы --- */
.page-head{background:var(--plate);color:var(--on-plate);padding:56px 0 48px;
  background-image:linear-gradient(var(--plate-line) 1px,transparent 1px),linear-gradient(90deg,var(--plate-line) 1px,transparent 1px);background-size:32px 32px}
.page-head h1{color:#fff;font-size:clamp(1.7rem,4vw,2.6rem)}
.page-404{padding:96px 0}
.muted-light{color:var(--on-plate-muted);margin:0}
.legal h2{font-size:1.2rem;margin-top:1.8em}
.legal p{color:var(--ink-2)}

/* --- подвал --- */
.footer{background:var(--plate);color:var(--on-plate-muted);padding:40px 0;font-size:.9rem}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:16px 32px;align-items:start}
.footer-brand p{margin:8px 0 0}
.logo-footer .logo-mark{width:30px;height:30px}
.footer-links{display:flex;flex-direction:column;gap:6px;align-items:flex-end}
.footer-links a,.footer-links .footer-cookie{color:var(--on-plate-muted);text-decoration:none;font-size:.9rem}
.footer-links a:hover,.footer-links .footer-cookie:hover{color:#fff}
.footer-copy{grid-column:1/-1;margin:8px 0 0;padding-top:16px;border-top:1px solid var(--plate-line)}

/* --- чат --- */
.chat-fab{position:fixed;right:20px;bottom:20px;z-index:40;width:58px;height:58px;border-radius:50%;border:0;background:var(--accent);box-shadow:0 10px 30px rgba(255,91,31,.4);cursor:pointer;display:grid;place-items:center;transition:transform .2s}
.chat-fab:hover{transform:scale(1.06)}
.chat-fab svg{width:26px;height:26px;fill:#fff}
.chat{position:fixed;right:20px;bottom:92px;z-index:41;width:min(380px,calc(100vw - 24px));max-height:min(560px,calc(100vh - 120px));display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden}
.chat-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--plate);color:#fff}
.chat-head strong{font-family:var(--head);font-weight:600;font-size:.95rem}
.close{border:0;background:none;color:inherit;font-size:1.6rem;line-height:1;cursor:pointer;width:32px;height:32px;border-radius:8px}
.close:hover{background:rgba(255,255,255,.1)}
.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--surface-2);min-height:140px}
.bubble{max-width:88%;padding:10px 14px;border-radius:14px;font-size:.92rem;white-space:pre-wrap;overflow-wrap:anywhere}
.bubble-bot{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.bubble-user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-form{padding:12px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.chat-row{display:flex;gap:8px}
.chat-form input{padding:9px 11px;font-size:.9rem;min-width:0}
.consent-sm{margin:0;font-size:.78rem}
.consent-sm input{width:16px;height:16px;margin-top:2px}

/* --- cookie --- */
.cookie-note{position:fixed;left:20px;right:96px;bottom:20px;z-index:39;max-width:600px;display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:.9rem}
.cookie-note p{margin:0;flex:1}
.cookie-actions{display:flex;gap:8px;flex-shrink:0}

/* --- адаптив --- */
@media (max-width:1080px){
  .nav a{padding:8px 9px;font-size:.9rem}
  .header-phone{display:none}
  .materials{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .burger{display:flex}
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;gap:2px;padding:12px 16px 20px;background:var(--plate);border-bottom:1px solid var(--plate-line);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;margin:0}
  .nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:12px 14px;font-size:1rem}
  .header-actions{margin-left:auto}
  .hero-inner{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px}
  .hero-art{order:-1;max-width:320px;margin:0 auto}
  .steps{grid-template-columns:1fr;gap:18px}
  .services,.works{grid-template-columns:repeat(2,1fr)}
  .calc{grid-template-columns:1fr}
  .row-3{grid-template-columns:1fr}
  .contacts{grid-template-columns:1fr;padding:32px 24px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:64px 0}
  .header-cta{display:none}
  .services,.works,.materials{grid-template-columns:1fr}
  .card{padding:20px 16px}
  .materials-pick{grid-template-columns:1fr 1fr}
  .model-stats{grid-template-columns:1fr 1fr 1fr;gap:6px}
  .model-stats div{padding:8px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-facts{gap:12px 24px}
  .footer-inner{grid-template-columns:1fr}
  .footer-links{align-items:flex-start}
  .section-head-row{flex-direction:column;align-items:flex-start}
  .chat{right:12px;bottom:84px}
  .chat-fab{right:14px;bottom:14px}
  .cookie-note{left:12px;right:84px;bottom:12px;flex-direction:column;align-items:stretch;gap:10px}
  .cookie-actions .btn{flex:1}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}