/* Arocell Україна: бренд-сайт. Акцентний колір бренду змінюється в одній змінній --brand */
:root{
  --brand:#2b7a77;
  --mint:#a1dad8;
  --pink:#edcfdb;
  --lilac:#d6d4e2;
  --grad:linear-gradient(135deg,var(--mint) 0%,var(--lilac) 52%,var(--pink) 100%);
  --grad-soft:linear-gradient(135deg,#e6f5f4 0%,#f1f0f6 52%,#fbf0f4 100%);
  --brand-ink:#ffffff;
  --brand-soft:color-mix(in srgb, var(--brand) 8%, #fff);
  --brand-line:color-mix(in srgb, var(--brand) 22%, #fff);
  --ink:#16181d;
  --ink-2:#4a4f5a;
  --ink-3:#7b808b;
  --bg:#ffffff;
  --tint:#f5f8f8;
  --line:#e6e8ec;
  --radius:18px;
  --radius-sm:12px;
  --header-h:64px;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px rgba(16,24,40,.06);
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
@supports not (color:color-mix(in srgb,red,blue)){
  :root{--brand-soft:#eaf3f2;--brand-line:#c3dedc}
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);font-size:16px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
button{font:inherit;color:inherit}
sup{font-size:.62em;line-height:0;margin-left:1px}
sup a{text-decoration:none;color:var(--ink-3)}
sup a:hover{color:var(--brand)}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.muted{color:var(--ink-3);font-weight:600}
.eyebrow{margin:0 0 10px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(36px,5.2vw,60px);font-weight:800}
h2{font-size:clamp(28px,3.4vw,40px);font-weight:800;margin-bottom:14px}
h3{font-size:19px;font-weight:700}
.section{padding:88px 0}
.section-tint{background:var(--tint)}
.section-lead{color:var(--ink-2);max-width:680px;margin:0 0 32px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .1s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-brand{background:var(--brand);color:var(--brand-ink)}
.btn-brand:hover{background:color-mix(in srgb,var(--brand) 86%,#000)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand-line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft)}
.btn-link{background:none;border:0;color:var(--brand);font-weight:700;cursor:pointer;padding:8px 4px;text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* Header: скляна шапка */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.55);-webkit-backdrop-filter:saturate(170%) blur(14px);backdrop-filter:saturate(170%) blur(14px);border-bottom:1px solid transparent;transition:background .25s,box-shadow .25s,border-color .25s}
.site-header.is-stuck{background:rgba(255,255,255,.86);border-bottom-color:rgba(16,24,40,.06);box-shadow:0 4px 20px rgba(16,24,40,.06)}
@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .site-header{background:rgba(255,255,255,.96)}
  .site-header.is-stuck{background:#fff}
}
.header-in{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{font-weight:500;letter-spacing:.14em;font-size:21px;color:var(--ink);text-decoration:none;display:flex;align-items:baseline;gap:8px;flex-shrink:0}
.logo-ua{font-size:11px;letter-spacing:.08em;font-weight:600;color:var(--ink-3);text-transform:uppercase}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--ink-2);text-decoration:none;font-weight:600;font-size:14.5px}
.nav a:hover{color:var(--brand)}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;padding:10px;flex-direction:column;justify-content:center;gap:5px}
.burger span{display:block;height:2px;background:var(--ink);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)}

/* Hero */
.hero{padding:40px 0 56px;background:var(--grad-soft)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.lead{font-size:18px;color:var(--ink-2);max-width:540px;margin:18px 0 28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-note{margin:18px 0 0;font-size:14px;color:var(--ink-3);font-weight:600}
.hero-media{margin:0;justify-self:end;width:min(100%, 520px, calc((100svh - var(--header-h) - 110px) * var(--hero-ratio, .8)))}
.hero-media img{width:100%;height:auto;border-radius:24px;box-shadow:var(--shadow);background:var(--tint)}

/* Facts */
.facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.facts-in{display:grid;grid-template-columns:repeat(3,1fr)}
@media (min-width:901px){.facts-in .fact:nth-child(3n+1){border-left:0;padding-left:0}.facts-in .fact:nth-child(n+4){border-top:1px solid var(--line)}}
.fact{padding:26px 20px;display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--line)}
.fact:first-child{border-left:0;padding-left:0}
.fact b{font-size:30px;font-weight:800;color:var(--brand);line-height:1.1}
.fact span{font-size:14px;color:var(--ink-2);line-height:1.45}

/* About */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.about h2{font-size:clamp(28px,3.2vw,40px)}
.about-text p{margin:0 0 16px;color:var(--ink-2);font-size:17px}

/* Tech */
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}
.tech{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.tech-num{display:block;font-size:28px;font-weight:800;color:var(--brand);margin-bottom:14px;line-height:1.1}
.tech h3{margin-bottom:8px}
.tech p{margin:0;color:var(--ink-2);font-size:15px}
.claims{margin-top:24px;background:#fff;border:1px solid var(--brand-line);border-top:4px solid transparent;border-image:none;border-radius:var(--radius);padding:26px}
.claims-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--brand);background:var(--brand-soft);padding:4px 10px;border-radius:999px}
.claims-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.claim{display:flex;flex-direction:column;gap:2px}
.claim b{font-size:34px;font-weight:800;color:var(--ink);line-height:1.1}
.claim span{color:var(--ink-2);font-size:14.5px}
.disclaimer{margin:20px 0 0;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-3);line-height:1.55}

/* Lines */
.lines-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.line-card{text-align:left;display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .2s}
.line-card:hover{border-color:var(--brand-line);box-shadow:var(--shadow);transform:translateY(-2px)}
.line-name{font-weight:800;font-size:19px}
.line-focus{font-size:13px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.04em}
.line-desc{color:var(--ink-2);font-size:15px;flex:1}
.line-go{font-weight:700;color:var(--brand);font-size:14px}

/* Concerns */
.concern-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.concern{text-align:left;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:border-color .2s,background .2s}
.concern b{font-size:17px}
.concern span{font-size:14px;color:var(--ink-3)}
.concern:hover,.concern.is-on{border-color:var(--brand);background:var(--brand-soft)}

/* Filters: згорнутий блок не вище 70px */
.filterbar{position:sticky;top:var(--header-h);z-index:20;display:flex;align-items:center;gap:10px;height:64px;max-height:70px;background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);margin:0 -24px;padding:0 24px}
.type-row{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0;padding:4px 0;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);padding-right:28px}
.type-row::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 15px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;color:var(--ink-2);transition:border-color .15s,background .15s,color .15s}
.chip small{font-size:12px;color:var(--ink-3);font-weight:600}
.chip:hover{border-color:var(--brand-line)}
.chip[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
.chip[aria-pressed="true"] small{color:rgba(255,255,255,.75)}
.filter-toggle{flex-shrink:0;display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;border:1.5px solid var(--ink);background:#fff;font-weight:700;font-size:14px;cursor:pointer}
.filter-toggle[aria-expanded="true"]{background:var(--ink);color:#fff}
.badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--brand);color:#fff;font-size:12px;font-weight:800}
.badge[hidden]{display:none}
.filter-toggle[aria-expanded="true"] .badge{background:#fff;color:var(--ink)}
.filter-panel{border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-top:14px;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.filter-panel[hidden]{display:none}
.fp-row{display:flex;gap:14px;align-items:flex-start}
.fp-label{flex:0 0 72px;font-size:13px;font-weight:700;color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em;padding-top:9px}
.fp-chips{display:flex;flex-wrap:wrap;gap:8px}
.fp-bottom{align-items:center;justify-content:space-between;flex-wrap:wrap}
.search{flex:1;min-width:220px;max-width:460px;display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:999px;color:var(--ink-3)}
.search:focus-within{border-color:var(--brand)}
.search input{border:0;outline:0;flex:1;font:inherit;font-size:15px;color:var(--ink);background:transparent;min-width:0}
.result-count{margin:18px 0 14px;color:var(--ink-3);font-size:14px;font-weight:600}

/* Catalog grid */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s,border-color .2s}
.card:hover{box-shadow:var(--shadow);border-color:var(--brand-line)}
.card-img{aspect-ratio:1/1;background:var(--tint);display:grid;place-items:center;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:contain;padding:14px;mix-blend-mode:multiply}
.card-img .noimg{font-weight:800;letter-spacing:.18em;color:var(--brand-line);font-size:14px}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-line{font-size:11.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--brand)}
.card-title{font-size:15.5px;font-weight:700;line-height:1.3;margin:0}
.card-desc{font-size:13.5px;color:var(--ink-2);line-height:1.4;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-size:13px;color:var(--ink-3);font-weight:600;margin-top:auto;padding-top:6px}
.card .btn{margin-top:8px;width:100%}
.empty{text-align:center;padding:40px 0;color:var(--ink-2)}
.more-wrap{display:flex;justify-content:center;margin-top:28px}

/* Where */
.where-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:18px}
.where-card{display:flex;flex-direction:column;gap:8px;padding:26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.where-card:hover{border-color:var(--brand-line);box-shadow:var(--shadow)}
.where-card b{font-size:20px}
.where-card span{color:var(--ink-2);font-size:15px}
.where-card .where-go{margin-top:auto;padding-top:10px;color:var(--brand);font-weight:700}
.where-main{background:var(--grad);border-color:transparent;color:var(--ink)}
.where-main span{color:#2a2f38}
.where-main .where-go{color:var(--ink)}

/* Wholesale */
.wholesale{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center}
.ws-text p{color:var(--ink-2);font-size:17px;margin:0 0 16px}
.ticks{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:30px;color:var(--ink-2)}
.ticks li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%232b7a77' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.cert{display:block;text-decoration:none;color:var(--ink-2);justify-self:center;max-width:360px;width:100%}
.cert img{border-radius:10px;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .2s}
.cert:hover img{transform:translateY(-3px)}
.cert-cap{display:block;text-align:center;margin-top:12px;font-size:14px;font-weight:600}

/* FAQ */
.faq-wrap{max-width:860px}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;list-style:none;padding:16px 36px 16px 0;font-weight:700;font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:24px;font-weight:400;color:var(--brand);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 18px;color:var(--ink-2)}

/* Sources */
.sources-sec{padding:28px 0}
.sources summary{cursor:pointer;font-weight:700;color:var(--ink-2);font-size:14px}
.sources ol{margin:14px 0 0;padding-left:22px;columns:2;column-gap:40px;font-size:13.5px;color:var(--ink-3)}
.sources li{break-inside:avoid;margin-bottom:6px}
.sources li:target{background:var(--brand-soft)}
.sources a{color:var(--ink-2);word-break:break-word}

/* Footer */
.footer{background:#12151b;color:#b9bec8;padding:56px 0 28px;font-size:15px}
.footer-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.logo-light{color:#fff}
.logo-light .logo-ua{color:#8a909b}
.f-brand p{margin:14px 0 0;max-width:380px;line-height:1.55}
.f-col{display:flex;flex-direction:column;gap:8px}
.f-col b{color:#fff;margin-bottom:4px}
.f-col a{color:#b9bec8;text-decoration:none}
.f-col a:hover{color:#fff}
.f-bottom{margin-top:40px;padding-top:20px;border-top:1px solid #262a33;font-size:13px;color:#7d838e}

/* 404 */
.nf{min-height:70vh;display:grid;place-items:center;text-align:center;padding:60px 24px}
.nf b{display:block;font-size:88px;font-weight:800;color:var(--brand);line-height:1}
.nf p{color:var(--ink-2);margin:12px 0 24px}

/* Responsive */
@media (max-width:1080px){
  .nav{gap:16px}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  :root{--header-h:60px}
  .burger{display:flex;margin-left:auto}
  .header-buy{margin-left:auto}
  .burger{margin-left:0}
  .nav{position:fixed;left:0;right:0;top:var(--header-h);flex-direction:column;gap:0;background:#fff;padding:8px 24px 20px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px rgba(16,24,40,.08);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;margin:0}
  .nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}
  .nav a:last-child{border-bottom:0}
  .hero-in,.about,.wholesale{grid-template-columns:1fr;gap:32px}
  .hero-media{justify-self:center;width:min(100%, 520px)}
  .facts-in{grid-template-columns:repeat(2,1fr)}
  .fact{border-left:0;padding:20px 0;border-top:1px solid var(--line)}
  .fact:nth-child(-n+2){border-top:0}
  .fact:nth-child(even){padding-left:20px;border-left:1px solid var(--line)}
  .lines-grid,.concern-grid{grid-template-columns:repeat(2,1fr)}
  .where-grid{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr 1fr}
  .f-brand{grid-column:1/-1}
  .section{padding:64px 0}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .filterbar{margin:0 -16px;padding:0 16px}
  .logo{font-size:17px;letter-spacing:.14em}
  .logo-ua{display:none}
  .header-in{gap:10px}
  .header-buy{min-height:38px;padding:0 14px;font-size:13.5px}
  .hero{padding:20px 0 40px}
  /* Hero на мобільному: фото цілком, звужуємо картку по ширині, а не ріжемо по висоті */
  .hero-in{gap:24px}
  .hero-media{order:-1;max-width:none;width:min(100%, calc((100svh - var(--header-h) - 150px) * var(--hero-ratio, .8)))}
  .lead{font-size:16.5px;margin:14px 0 22px}
  .hero-cta .btn{flex:1 1 auto}
  .tech-grid,.lines-grid,.concern-grid,.claims-grid{grid-template-columns:1fr}
  .claims-grid{gap:12px}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .card-body{padding:12px}
  .card-title{font-size:14px}
  .card-desc{display:none}
  .card .btn{min-height:40px;font-size:14px}
  .filter-toggle{padding:0 12px}
  .fp-row{flex-direction:column;gap:8px}
  .fp-label{padding-top:0;flex:none}
  .search{min-width:0;width:100%;max-width:none}
  .sources ol{columns:1}
  .footer-in{grid-template-columns:1fr}
  .section{padding:52px 0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Фірмовий градієнт бренду (мʼятний > бузковий > рожевий), з презентації Arocell */
.hero-media img{background:var(--grad)}
.section-tint{background:var(--tint)}
.eyebrow{background:linear-gradient(90deg,var(--brand),#b0799a);-webkit-background-clip:text;background-clip:text;color:transparent}
@supports not ((-webkit-background-clip:text) or (background-clip:text)){.eyebrow{color:var(--brand)}}