/* All-on-6 Guide (allon6guide.com) — calm European editorial, multilingual */
:root{
  --ink:#18212b;          /* headings, header */
  --text:#25303b;
  --muted:#55616d;        /* 6.3:1 on --paper */
  --paper:#f3f5f7;        /* cool mist page */
  --white:#ffffff;
  --line:#d8dee4;
  --steel:#2f5d7c;        /* primary: white text 6.6:1 */
  --steel-dark:#244a63;
  --steel-soft:#e3ecf2;
  --ochre:#a8741a;        /* small accents only; text on white 3.6:1 → never body text */
  --ochre-text:#7d560f;   /* ochre for text: 6.3:1 on white */
  --ochre-soft:#f6eedf;
  --warn-bg:#fbf1dc;--warn:#6e4a00;
  --serif:Spectral,Georgia,"Times New Roman",serif;
  --sans:Rubik,system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1180px;
  --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font:400 19px/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}
a{color:var(--steel);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--steel-dark);text-decoration-thickness:2px}
h1,h2,h3{font-family:var(--serif);color:var(--ink);font-weight:600;line-height:1.15;margin:0 0 .5em;letter-spacing:-.005em;hyphens:auto}
h1{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:500}
h2{font-size:clamp(1.65rem,3.2vw,2.35rem);font-weight:500}
h3{font-size:1.3rem;line-height:1.25}
h1 em,h2 em{font-style:italic;color:var(--steel)}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:.6em;font:600 .78rem/1.2 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--ochre-text);margin-bottom:1rem}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--ochre)}
.lead{font-size:1.18rem;line-height:1.6;color:var(--muted);max-width:46ch}
:focus-visible{outline:3px solid var(--ochre);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:12px;background:#fff;padding:10px 14px;z-index:99}
svg{width:1em;height:1em;flex:none}
.hero-fig svg,.arch-figs svg{width:100%;height:auto;display:block}
.logo .mark{flex:none}

/* buttons */
.btn{white-space:normal;display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:52px;padding:0 1.4em;border-radius:10px;font:500 1.02rem/1.1 var(--sans);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s;text-align:center}
.btn-cta{background:var(--steel);color:#fff}.btn-cta:hover{background:var(--steel-dark);color:#fff}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}.btn-line:hover{background:var(--ink);color:#fff}
.btn-wide{width:100%}

/* disclosure + header */
.disclose{background:var(--ink);color:#e9eef2;font-size:.9rem;line-height:1.45}
.disclose .wrap{display:flex;gap:.6em;align-items:flex-start;padding-top:9px;padding-bottom:9px}
.disclose svg{margin-top:.2em;color:#d9b56f}
.disclose a{color:#fff}
header.site{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
header.site .wrap{display:flex;align-items:center;gap:18px;min-height:76px}
header.site .btn{white-space:nowrap;min-height:48px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);margin-right:auto;min-width:0}
.logo .mark{width:40px;height:40px;color:var(--ink)}
.logo b{display:block;font:600 1.35rem/1.1 var(--serif)}
.logo b i{color:var(--steel)}
.logo small{display:block;font-size:.8rem;color:var(--muted);line-height:1.3}
nav.main ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
nav.main a{display:block;padding:10px 11px;border-radius:8px;color:var(--text);text-decoration:none;font-size:.98rem;white-space:nowrap}
nav.main a:hover{background:var(--steel-soft)}
nav.main a[aria-current]{color:var(--steel);box-shadow:inset 0 -2px 0 var(--steel)}
.langs{position:relative}
.langs summary{list-style:none;display:flex;align-items:center;gap:6px;min-height:48px;padding:0 12px;border:1px solid var(--line);border-radius:10px;cursor:pointer;font-weight:500;background:#fff}
.langs summary::-webkit-details-marker{display:none}
.langs ul{position:absolute;right:0;top:calc(100% + 6px);list-style:none;margin:0;padding:6px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 30px rgba(24,33,43,.12);min-width:200px;z-index:40}
.langs li a{display:flex;gap:10px;align-items:center;padding:11px 12px;border-radius:8px;text-decoration:none;color:var(--text)}
.langs li a:hover{background:var(--steel-soft)}
.langs li a[aria-current]{background:var(--steel-soft);font-weight:500}
.langs li b{display:inline-block;width:2.2em;font-weight:600;color:var(--steel)}
.menu-btn{display:none;min-height:48px;padding:0 16px;border:2px solid var(--ink);background:#fff;border-radius:10px;font:500 1rem var(--sans);color:var(--ink)}
@media (max-width:1260px){.logo small{display:none}}
@media (max-width:1140px){
  .menu-btn{display:block}.hide-s{display:none}
  nav.main{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;padding:8px 16px 16px}
  nav.main a{padding:14px 10px;font-size:1.1rem}
}
@media (max-width:560px){.logo small{display:none}.logo b{font-size:1.2rem}header.site .wrap{gap:10px;min-height:66px}.logo .mark{width:34px;height:34px}.langs summary{padding:0 10px}}

/* home hero */
.hero{padding:64px 0 56px;background:linear-gradient(180deg,#fff 0,var(--paper) 100%);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero h1{margin-bottom:.4em}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 24px}
.hero-fig{margin:0;background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px 22px 16px;box-shadow:0 24px 50px -30px rgba(24,33,43,.35)}
.hero-fig figcaption{font-size:.92rem;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:6px}
@media (max-width:900px){.hero{padding:40px 0}.hero .wrap{grid-template-columns:1fr;gap:32px}}
.byline{display:flex;align-items:center;gap:12px;font-size:.95rem;color:var(--muted);margin:18px 0}
.byline img{width:44px;height:44px;border-radius:50%;object-fit:cover;object-position:top}
.byline a{color:var(--ink)}

/* sections */
.sec{padding:72px 0}
.sec.white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:34px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fact{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px}
.sec.white .fact{background:var(--paper)}
.fact h3{font-size:1.15rem;margin-bottom:.35em}
.fact p{margin:0;font-size:1rem;color:var(--muted)}
@media (max-width:980px){.facts{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.facts{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split figure{margin:0}
.split figure img{border-radius:18px;aspect-ratio:4/3;object-fit:cover;width:100%}
.split figcaption{font-size:.9rem;color:var(--muted);margin-top:10px}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:28px}}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pair .cell{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}
.pair .cell h3{display:flex;align-items:baseline;gap:10px}
.pair .cell h3 span{font:600 2.2rem/1 var(--serif);color:var(--steel)}
.pair dl{margin:12px 0 0;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:1rem}
.pair dt{font-weight:500;color:var(--ink)}.pair dd{margin:0;color:var(--muted)}
@media (max-width:760px){.pair{grid-template-columns:1fr}}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;counter-increment:s;position:relative}
.steps li::before{content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--steel);color:#fff;font-weight:600;margin-bottom:14px}
.steps h3{font-size:1.15rem}.steps p{margin:0;font-size:1rem;color:var(--muted)}
@media (max-width:980px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.pub{display:grid;grid-template-columns:200px 1fr;gap:36px;align-items:center}
.pub img{border-radius:16px}
@media (max-width:700px){.pub{grid-template-columns:1fr}.pub img{width:150px}}

/* price box */
.pricebox{display:block;background:#fff;border:1px solid var(--line);border-left:5px solid var(--ochre);border-radius:12px;padding:18px 20px;margin:22px 0;max-width:560px}
.pricebox .lab{display:block;font:600 .76rem/1.3 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ochre-text);margin-bottom:6px}
.pricebox .big{font-size:1.12rem;color:var(--ink);margin-bottom:.5em}
.pricebox .small{font-size:.95rem;color:var(--muted)}
.pricebox a{font-weight:500}

/* article */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:22px 0 0;font-size:.95rem;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}
.page-head{padding:22px 0 30px;max-width:820px}
.answer{background:#fff;border:1px solid var(--line);border-left:5px solid var(--steel);border-radius:12px;padding:20px 22px;margin-top:8px}
.answer .lab{display:block;font:600 .76rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--steel);margin-bottom:10px}
.answer p{margin:0;color:var(--ink);font-size:1.08rem}
.article{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:52px;padding-bottom:64px;align-items:start}
.prose{max-width:740px}
.prose h2{margin-top:1.5em;font-size:clamp(1.5rem,2.6vw,2rem)}
.prose h3{margin-top:1.3em}
.prose ul,.prose ol{padding-left:1.25em;margin:0 0 1.1em}
.prose li{margin-bottom:.45em}
.prose .note{background:var(--warn-bg);color:var(--warn);border-radius:12px;padding:16px 18px;font-size:1rem}
.prose .note strong{color:var(--warn)}
.prose blockquote{margin:1.2em 0;padding:4px 0 4px 18px;border-left:3px solid var(--ochre);color:var(--muted)}
.tw{overflow-x:auto;margin:0 0 1.3em}
table{border-collapse:collapse;width:100%;font-size:1rem;background:#fff;border-radius:12px;overflow:hidden}
th,td{text-align:left;vertical-align:top;padding:12px 14px;border-bottom:1px solid var(--line)}
thead th{background:var(--ink);color:#fff;font-weight:500}
tbody th{font-weight:500;color:var(--ink)}
@media (max-width:640px){
  table.stack thead{display:none}
  table.stack,table.stack tbody,table.stack tr,table.stack th,table.stack td{display:block;width:100%}
  table.stack tr{border-bottom:2px solid var(--line);padding:6px 0}
  table.stack td,table.stack th{border:0;padding:6px 14px}
  table.stack td[data-l]::before{content:attr(data-l) ": ";font-weight:500;color:var(--ink)}
}
.toc{position:sticky;top:100px;font-size:.98rem}
.toc b{display:block;font:600 .78rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.toc ol{list-style:none;margin:0 0 24px;padding:0;border-left:2px solid var(--line)}
.toc li a{display:block;padding:7px 0 7px 14px;color:var(--text);text-decoration:none;line-height:1.35}
.toc li a:hover{color:var(--steel)}
.side-cta{background:var(--ink);color:#e9eef2;border-radius:16px;padding:20px}
.side-cta p{font-size:1rem}
.side-cta .btn{width:100%;background:#fff;color:var(--ink)}
.side-cta .btn:hover{background:var(--steel-soft)}
@media (max-width:1000px){.article{grid-template-columns:1fr;gap:0}.toc{display:none}}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.faq summary{cursor:pointer;padding:16px 48px 16px 18px;font-weight:500;color:var(--ink);position:relative;list-style:none;min-height:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:12px;font-size:1.5rem;color:var(--steel)}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 18px 6px}
.sources{margin-top:2.2em;padding-top:1.4em;border-top:1px solid var(--line);font-size:.95rem}
.sources h2{font-size:1.3rem}
.sources p{color:var(--muted)}
.arch-figs{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 1.3em}
.arch-figs figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px}
.arch-figs figcaption{text-align:center;font-weight:500;color:var(--ink);font-size:1rem}
@media (max-width:560px){.arch-figs{grid-template-columns:1fr}}

/* related + band */
.related{padding:56px 0;background:#fff;border-top:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px;text-decoration:none;color:var(--text);transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--steel);transform:translateY(-2px)}
.card .ico{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:var(--steel-soft);color:var(--steel);margin-bottom:14px;font-size:1.25rem}
.card h3{font-size:1.18rem}
.card p{font-size:1rem;color:var(--muted);flex:1}
.card .more{color:var(--steel);font-weight:500}
@media (max-width:900px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cards{grid-template-columns:1fr}}
.band{padding:64px 0}
.band .box{background:var(--ink);color:#e3e9ee;border-radius:24px;padding:44px;max-width:900px}
.band h2{color:#fff}
.band .eyebrow{color:#e2c48d}.band .eyebrow::before{background:#e2c48d}
.band .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.band .btn-cta{background:#fff;color:var(--ink)}.band .btn-cta:hover{background:var(--steel-soft)}
.band .btn-line{border-color:#fff;color:#fff}.band .btn-line:hover{background:#fff;color:var(--ink)}
@media (max-width:600px){.band .box{padding:28px 22px}}

/* contact form */
.enq{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;padding-bottom:72px;align-items:start}
@media (max-width:900px){.enq{grid-template-columns:1fr;gap:28px}}
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}.panel{padding:20px}}
.f{margin-bottom:16px}
.f label{display:block;font-weight:500;color:var(--ink);margin-bottom:6px}
.f small{font-weight:400;color:var(--muted)}
input,select,textarea{width:100%;min-height:52px;padding:12px 14px;border:2px solid #b9c3cc;border-radius:10px;font:400 1.02rem var(--sans);color:var(--text);background:#fff}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--steel);outline:none;box-shadow:0 0 0 3px var(--steel-soft)}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:.96rem;margin:6px 0 18px}
.consent input{width:24px;height:24px;min-height:0;margin-top:2px;flex:none}
.hp{position:absolute;left:-9999px}
.err{display:none;background:#fbe5e0;color:#8a2a1a;border-radius:10px;padding:12px 14px;margin-bottom:14px}.err.show{display:block}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.contact-list svg{color:var(--steel);margin-top:.3em;font-size:1.2rem}

/* footer */
footer{background:var(--ink);color:#c9d2da;padding:56px 0 40px;margin-top:0;font-size:.98rem}
footer a{color:#fff}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
footer h2{font:600 .8rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:#e2c48d;margin-bottom:14px}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:8px}
footer .brand{font:600 1.4rem var(--serif);color:#fff}
footer .brand i{color:#9ec1d9}
footer .legal{display:grid;gap:8px;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);font-size:.88rem;color:#aab5bf}
@media (max-width:900px){footer .cols{grid-template-columns:1fr 1fr}footer{padding-bottom:100px}}
@media (max-width:560px){footer .cols{grid-template-columns:1fr}}
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:35;gap:10px;padding:10px 12px;background:rgba(255,255,255,.97);border-top:1px solid var(--line)}
.mbar .btn{flex:1;min-height:50px}
@media (max-width:900px){.mbar{display:flex}}
.ck{position:fixed;left:12px;right:12px;bottom:78px;z-index:50;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 18px 40px rgba(24,33,43,.2);max-width:520px}
.ck .b{display:flex;gap:10px;flex-wrap:wrap}
@media (min-width:901px){.ck{left:auto;right:20px;bottom:20px}}

/* language chooser (/) */
body.chooser{background:linear-gradient(180deg,#fff,var(--paper));min-height:100vh}
body.chooser main{padding:64px 24px}
.ch-head{max-width:720px;margin-bottom:36px}
.ch-head .mark{display:block;width:52px;height:52px;color:var(--ink);margin-bottom:16px}
.lang-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lang-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;text-decoration:none;color:var(--text);min-height:100%}
.lang-card:hover{border-color:var(--steel)}
.lang-card b{font:600 2rem/1 var(--serif);color:var(--steel)}
.lang-card .t{font:600 1.2rem/1.25 var(--serif);color:var(--ink)}
.lang-card .d{font-size:.98rem;color:var(--muted);flex:1}
.lang-card .more{font-weight:500;color:var(--steel)}
body.chooser .legal{margin-top:40px;font-size:.9rem;color:var(--muted)}
@media (max-width:860px){.lang-grid{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{header.site,.disclose,.mbar,.ck,.band,footer,.toc{display:none}}