:root{
  color-scheme:light;
  --paper:#f6fafb; --paper-2:#eaf3f5; --ink:#0e3b5c; --muted:#4a6378;
  --line:#d3e3e8; --accent:#13807e; --accent-d:#0e6664; --accent-2:#22a7a5; --on-accent:#fff; --card:#fff;
  --mark-main:#0e3b5c; --mark-core:#fff; --mark-line:#fff;
  --radius:14px; --shadow:0 8px 24px rgba(14,59,92,.08);
}
.bar{justify-content:flex-start}
.bar nav{margin-left:auto}
@media (max-width:420px){.wordmark{font-size:.95rem}.brand .mark{width:36px;height:31px}.langsw-btn span{display:inline}}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --paper:#0a1a26; --paper-2:#102838; --ink:#eaf3f6; --muted:#9db4c0;
    --line:#1f3a4d; --accent:#4fd1ce; --accent-d:#7fe0de; --accent-2:#22a7a5; --on-accent:#06273a; --card:#112a3b;
    --mark-main:#fff; --mark-core:#0e3b5c; --mark-line:#0a1a26;
    --shadow:0 8px 24px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 Manrope,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:Manrope,system-ui,sans-serif;font-weight:800;line-height:1.12;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5.2vw,3.7rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.mark{flex-shrink:0}
.about-name{display:flex;align-items:center;gap:16px;margin-bottom:.6em}
.about-name h2{margin:0}
.about-mark{width:64px;height:55px}
.wordmark{display:flex;align-items:baseline;font:600 1.15rem/1 Unbounded,Manrope,sans-serif;letter-spacing:-.01em;white-space:nowrap}
.wordmark b{font-weight:600;color:var(--ink)}
.wordmark i{font-style:normal;color:var(--accent)}
.wordmark small{font:500 .62rem Unbounded,Manrope,sans-serif;letter-spacing:.04em;margin-left:.6em;color:var(--ink)}
nav{display:flex;align-items:center;gap:26px}
nav a{text-decoration:none;font-weight:600;font-size:.95rem}
nav a:not(.btn):hover{color:var(--accent)}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* language switcher */
.langsw{position:relative;margin-left:22px}
.langsw-btn{display:flex;align-items:center;gap:7px;background:var(--card);color:var(--ink);border:1.5px solid var(--ink);border-radius:999px;padding:.45em .85em;font:700 .85rem Manrope,sans-serif;cursor:pointer;transition:background .15s,color .15s}
.langsw-btn:hover,.langsw-btn[aria-expanded="true"]{background:var(--ink);color:var(--paper)}
.langsw-btn .chev{transition:transform .15s}
.langsw-btn[aria-expanded="true"] .chev{transform:rotate(180deg)}
.langsw-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:200px;list-style:none;margin:0;padding:6px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);z-index:30}
.langsw-menu[hidden]{display:none}
.langsw-menu a{display:flex;gap:10px;align-items:center;min-height:44px;padding:0 12px;border-radius:8px;text-decoration:none;font-weight:600;font-size:.95rem}
.langsw-menu a b{display:inline-block;width:2em;font-size:.75rem;letter-spacing:.06em;color:var(--muted)}
.langsw-menu a:hover{background:var(--paper-2)}
.langsw-menu a[aria-current]{background:var(--paper-2);color:var(--accent)}
.langsw-menu a[aria-current] b{color:var(--accent)}

/* buttons */
.btn{display:inline-block;background:var(--accent);color:var(--on-accent);border:0;border-radius:999px;padding:.85em 1.6em;font:700 .95rem Manrope,sans-serif;text-decoration:none;cursor:pointer;transition:background .15s,transform .15s}
.btn:hover{background:var(--accent-d);transform:translateY(-1px)}
.btn-sm{padding:.55em 1.2em}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* hero */
.hero{padding:72px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{font:700 .78rem Manrope,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:.8em}
.lead{font-size:1.15rem;color:var(--muted);max-width:56ch}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 36px}
.facts{display:flex;flex-wrap:wrap;gap:12px 36px;list-style:none;padding:0;margin:0;color:var(--muted);font-size:.9rem}
.facts strong{display:block;color:var(--ink);font:800 1.2rem Manrope,sans-serif}
.hero-art{background:var(--paper-2);border-radius:28px;padding:18px}

/* band */
.band{background:var(--ink);color:var(--paper)}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 0}
.band strong{display:block;font-size:1rem}
.band span{font-size:.88rem;opacity:.75}

/* sections */
.section{padding:84px 0}
.section.alt{background:var(--paper-2)}
.section-head{max-width:640px;margin-bottom:28px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}

/* products */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.tabs button{font:600 .9rem Manrope,sans-serif;background:transparent;color:var(--ink);border:1.5px solid var(--line);border-radius:999px;padding:.5em 1.1em;cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card[hidden]{display:none}
.thumb{height:140px;border-radius:10px;background:var(--paper-2);display:grid;place-items:center;color:var(--ink);margin-bottom:18px}
.thumb.kraft{background:#e9d9bf;color:#4a3a22}
.thumb.colorful{background:#fbeee0;color:#3a2a22}
.thumb svg{height:110px}
.thumb{position:relative;height:auto;aspect-ratio:4/3;overflow:hidden}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card p{color:var(--muted);font-size:.95rem;flex:1}
.specs{list-style:none;padding:12px 0 0;margin:0;border-top:1px dashed var(--line);font-size:.85rem;font-weight:600}
.specs li{padding:2px 0 2px 18px;position:relative}
.specs li::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:2px;background:var(--accent)}
.note{margin-top:28px;color:var(--muted)}

/* printing */
.steps{counter-reset:s;list-style:none;padding:0;margin:24px 0 0}
.steps li{counter-increment:s;padding:0 0 18px 52px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:0;top:-2px;width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;font:800 1rem Manrope,sans-serif}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.panel table{width:100%;border-collapse:collapse}
.panel th,.panel td{text-align:left;padding:12px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.panel tr:last-child th,.panel tr:last-child td{border:0}
.panel th{color:var(--muted);font-weight:600;width:34%}

/* about */
.values{display:grid;gap:14px}
.values div{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:18px 22px}
.values h3{margin-bottom:.2em}
.values p{margin:0;color:var(--muted);font-size:.95rem}

/* contact */
.cta{background:var(--paper-2)}
.contact{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;margin:28px 0 0}
.contact dt{font-weight:700;color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em}
.contact dd{margin:0}
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);display:grid;gap:16px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.9rem}
.form input,.form select,.form textarea{font:inherit;font-weight:400;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:10px;padding:.7em .9em;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent)}
.form .invalid{border-color:#d33}
.hint{margin:0;font-size:.9rem;color:var(--muted);min-height:1.4em}

footer{padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.88rem}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* responsive */
@media (max-width:880px){
  .hero-grid,.split{grid-template-columns:1fr}
  .hero-art{order:-1;max-width:420px}
  .band-grid{grid-template-columns:1fr 1fr}
  .section{padding:60px 0}
  .nav-toggle{display:block}
  .langsw{margin-left:auto;margin-right:2px}
  .langsw-btn{padding:.4em .75em}
  .nav-toggle{order:3}
  nav{position:absolute;inset:68px 0 auto 0;background:var(--paper);flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 18px;border-bottom:1px solid var(--line);display:none}
  nav.open{display:flex}
  nav a{padding:12px 0}
  nav .btn{text-align:center;margin-top:8px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.faq{max-width:820px;display:grid;gap:10px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 20px}
.faq summary{cursor:pointer;font-weight:700;padding:16px 28px 16px 0;list-style:none;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);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 18px;color:var(--muted)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.btn[disabled]{opacity:.6;cursor:progress}