/* LanHomeTech — shared stylesheet (all pages) */
:root{
  /* Drafting Table identity — ink navy structure, warm paper, one cadmium action color, blueprint-blue secondary */
  --ink:#1b2333; --ink-soft:#4a5468; --line:#e0ddd2; --line-strong:#c7c2b2;
  --paper:#f4f1e9; --card:#fffdf7; --panel:#ece7db;
  --brand:#1b2333; --brand-2:#2f5fa7; --accent:#e2571f; --accent-soft:#fbe3d6;
  --blueprint:#2f5fa7; --blueprint-soft:#dbe6f4;
  --good:#2f7d55; --warn:#9a5b12; --bad:#b3402c;
  --shadow:0 1px 2px rgba(27,35,51,.05),0 10px 30px rgba(27,35,51,.07);
  --r:12px; --r-sm:8px;
  --mono:'DejaVu Sans Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --disp:'Trebuchet MS','Segoe UI',system-ui,Helvetica,Arial,sans-serif;
  --body:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.62;font-size:clamp(15px,1.1vw+13px,17px);
  background-image:linear-gradient(rgba(47,95,167,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(47,95,167,.035) 1px,transparent 1px);
  background-size:26px 26px;background-position:-1px -1px}
h1,h2,h3,h4,h5,h6{line-height:1.18;color:var(--ink);margin:0 0 .5em}
h1{font-family:var(--disp);font-weight:800;font-size:clamp(1.7rem,3.6vw+.6rem,2.75rem);letter-spacing:-.02em}
h2{font-family:var(--disp);font-weight:800;font-size:clamp(1.35rem,1.6vw+.7rem,1.95rem);margin-top:0;letter-spacing:-.01em}
h3{font-size:clamp(1.08rem,.7vw+.8rem,1.25rem);font-weight:700}
h4{font-size:1rem;font-weight:700}
h5{font-size:.92rem;font-weight:700;color:var(--ink-soft)}
h6{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft)}
p{margin:0 0 1rem}
a{color:var(--blueprint);text-underline-offset:2px}
a:hover{color:var(--accent)}
img{max-width:100%}
.wrap{width:min(1120px,92vw);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* Header */
.site-head{background:var(--brand);color:#eef1f6;position:sticky;top:0;z-index:40;border-bottom:3px solid var(--accent)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;color:#fff;text-decoration:none;font-size:1.06rem;letter-spacing:.2px}
.brand .mk{display:inline-grid;place-items:center;width:30px;height:30px;background:var(--accent);border-radius:7px;font-family:var(--mono);font-weight:700;color:#fff;font-size:.95rem}
.nav-toggle{display:none}
.nav-links{display:flex;gap:.35rem;flex-wrap:wrap;align-items:center}
.nav-links a{color:#c9d2e2;text-decoration:none;padding:.42rem .6rem;border-radius:8px;font-size:.93rem;font-weight:600}
.lang-switch{border:1.5px solid rgba(255,255,255,.28);margin-left:.3rem;font-weight:800;letter-spacing:.03em}
.lang-switch:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.nav-links a:hover{background:rgba(255,255,255,.12);color:#fff}
.hamb{display:none}
@media(max-width:820px){
  .hamb{display:inline-grid;place-items:center;width:42px;height:42px;background:rgba(255,255,255,.1);border-radius:9px;cursor:pointer}
  .hamb span,.hamb span::before,.hamb span::after{content:"";display:block;width:20px;height:2px;background:#fff;position:relative;transition:.2s}
  .hamb span::before{position:absolute;top:-6px}.hamb span::after{position:absolute;top:6px}
  .nav-links{position:absolute;left:0;right:0;top:100%;background:var(--brand-2);flex-direction:column;align-items:stretch;gap:0;max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 4vw}
  .nav-links a{padding:.85rem .4rem;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-toggle:checked ~ .nav-links{max-height:80vh;padding:.4rem 4vw .8rem}
}

/* Breadcrumb */
.crumb{font-size:.82rem;color:var(--ink-soft);padding:.7rem 0 0}
.crumb a{color:var(--brand-2);text-decoration:none}
.crumb a:hover{color:var(--accent)}
.crumb span{color:var(--line-strong);margin:0 .3rem}

/* Ad slot */
.ad-slot{min-height:90px;margin:1.1rem 0;display:grid;place-items:center;background:repeating-linear-gradient(45deg,#efeee7,#efeee7 10px,#eae9e1 10px,#eae9e1 20px);border:1px dashed var(--line-strong);border-radius:var(--r-sm);color:#98a09a;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase}

/* Hero */
.hero{padding:1rem 0 .4rem}
.eyebrow{display:inline-block;font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:.28rem .6rem;border-radius:20px;margin-bottom:.7rem}
.lede{font-size:clamp(1rem,.6vw+.9rem,1.15rem);color:var(--ink-soft);max-width:64ch;margin-bottom:1rem}

/* Tool */
.tool{display:grid;grid-template-columns:1.15fr .85fr;gap:1.1rem;align-items:start}
@media(max-width:900px){.tool{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card-pad{padding:clamp(1rem,2.4vw,1.6rem)}
.panel-title{font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);display:flex;align-items:center;gap:.5rem;margin-bottom:.9rem}
.panel-title::before{content:"";width:16px;height:2px;background:var(--accent)}
.field-row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:end;margin-bottom:.7rem}
.field{flex:1 1 90px;min-width:0}
.field label{display:block;font-size:.8rem;font-weight:600;color:var(--ink-soft);margin-bottom:.25rem}
input[type=number],select{width:100%;font:inherit;font-size:1rem;padding:.62rem .6rem;border:1.5px solid var(--line-strong);border-radius:var(--r-sm);background:#fff;color:var(--ink)}
input[type=number]:focus,select:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(20,97,95,.15)}
.seg{display:inline-flex;background:var(--panel);border-radius:20px;padding:3px;gap:2px}
.seg button{font:inherit;font-size:.82rem;font-weight:700;border:0;background:transparent;color:var(--ink-soft);padding:.34rem .8rem;border-radius:18px;cursor:pointer}
.seg button[aria-pressed=true]{background:var(--brand);color:#fff}
.rowset{border:1px solid var(--line);border-radius:var(--r-sm);padding:.7rem;margin-bottom:.7rem;background:#fcfcfa}
.rowset h4{margin:0 0 .55rem;font-size:.9rem;display:flex;justify-content:space-between;align-items:center}
.dyn{display:flex;gap:.5rem;align-items:end;margin-bottom:.5rem}
.dyn .field{flex:1 1 60px}
.icon-btn{border:1.5px solid var(--line-strong);background:#fff;border-radius:8px;width:38px;height:41px;flex:0 0 38px;cursor:pointer;font-size:1.15rem;line-height:1;color:var(--ink-soft);display:grid;place-items:center}
.icon-btn:hover{border-color:var(--accent);color:var(--accent)}
.add-link{background:none;border:1px dashed var(--line-strong);color:var(--brand-2);font:inherit;font-weight:600;font-size:.86rem;padding:.4rem .7rem;border-radius:8px;cursor:pointer;width:100%}
.add-link:hover{border-color:var(--brand-2);background:var(--panel)}
.cta{width:100%;font:inherit;font-weight:800;font-size:1.05rem;color:#fff;background:var(--accent);border:0;border-radius:var(--r-sm);padding:.9rem;cursor:pointer;margin-top:.3rem;letter-spacing:.2px}
.cta:hover{background:#b1531f}
.toggle-line{display:flex;align-items:center;gap:.5rem;font-size:.88rem;color:var(--ink-soft);margin:.55rem 0}
.toggle-line input{width:18px;height:18px;accent-color:var(--brand)}

/* Results */
.results{position:sticky;top:78px}
@media(max-width:900px){.results{position:static}}
.result-hero{background:linear-gradient(135deg,var(--blueprint),#24487e);color:#eaf1fb;border-radius:var(--r);padding:1.2rem 1.3rem;margin-bottom:.9rem}
.result-hero .big{font-family:var(--disp);font-size:clamp(2rem,6vw,2.7rem);font-weight:800;line-height:1;color:#fff}
.result-hero .big small{font-size:.9rem;font-family:var(--body);color:#c3d5ee;font-weight:600;margin-left:.3rem}
.result-hero .sub{font-size:.9rem;color:#c3d5ee;margin-top:.35rem}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin-bottom:.9rem}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:.7rem .8rem}
.stat .k{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);font-family:var(--mono)}
.stat .v{font-size:1.32rem;font-weight:800;color:var(--blueprint)}
.stat .v small{font-size:.72rem;color:var(--ink-soft);font-weight:600}
.breakdown{width:100%;border-collapse:collapse;font-size:.9rem;margin:.3rem 0 .6rem}
.breakdown th,.breakdown td{text-align:left;padding:.42rem .3rem;border-bottom:1px solid var(--line)}
.breakdown td:last-child,.breakdown th:last-child{text-align:right;font-variant-numeric:tabular-nums}
.breakdown tfoot td{font-weight:800;border-top:2px solid var(--line-strong);border-bottom:0}
.cost-band{display:flex;gap:.5rem;margin:.4rem 0 .2rem}
.cost-band .c{flex:1;text-align:center;background:var(--panel);border-radius:var(--r-sm);padding:.6rem .3rem}
.cost-band .c .lbl{font-size:.72rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em}
.cost-band .c .amt{font-weight:800;font-size:1.05rem}
.cost-band .c.mid{background:var(--blueprint);color:#fff}.cost-band .c.mid .lbl{color:#c3d5ee}
.result-actions{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.7rem}
.result-actions button{flex:1 1 auto;font:inherit;font-weight:700;font-size:.86rem;border:1.5px solid var(--line-strong);background:#fff;color:var(--ink);border-radius:8px;padding:.55rem;cursor:pointer}
.result-actions button:hover{border-color:var(--brand-2);color:var(--brand-2)}
.placeholder{color:var(--ink-soft);font-size:.92rem;text-align:center;padding:1.5rem .5rem}
.placeholder .big{font-size:2rem;display:block;margin-bottom:.4rem;opacity:.35}
.note{font-size:.82rem;color:var(--ink-soft);background:var(--panel);border-left:3px solid var(--accent);padding:.55rem .7rem;border-radius:0 8px 8px 0;margin-top:.6rem}

/* Content */
.section{padding:2.2rem 0;border-top:1px solid var(--line)}
.section h2{margin-bottom:.8rem}
.prose{max-width:74ch}
.prose p,.prose li{color:var(--ink-soft)}
.prose strong{color:var(--ink)}
.prose ul,.prose ol{padding-left:1.2rem;margin:0 0 1rem}
.prose li{margin-bottom:.3rem}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.9rem;margin-top:1rem}
.mini{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:.9rem 1rem;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.mini:hover{border-color:var(--brand-2)}
.mini .t{font-weight:700;color:var(--blueprint);margin-bottom:.15rem}
.mini .d{font-size:.85rem;color:var(--ink-soft)}
.steps{counter-reset:s;list-style:none;padding:0;margin:1rem 0;display:grid;gap:.7rem}
.steps li{counter-increment:s;position:relative;padding:.2rem 0 .2rem 2.4rem;color:var(--ink-soft)}
.steps li::before{content:counter(s);position:absolute;left:0;top:.05rem;width:1.7rem;height:1.7rem;background:var(--brand);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:.9rem}
.data-table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.92rem;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.data-table th,.data-table td{padding:.6rem .7rem;text-align:left;border-bottom:1px solid var(--line)}
.data-table thead th{background:var(--panel);font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft)}
.data-table tr:last-child td{border-bottom:0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:.6rem;box-shadow:var(--shadow)}
.faq summary{padding:.9rem 1rem;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-weight:700;font-size:1.2rem}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .ans{padding:.85rem 1rem;color:var(--ink-soft);font-size:.94rem}
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.9rem;margin-top:1rem}
.quote{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--r-sm);padding:1rem;box-shadow:var(--shadow)}
.quote p{font-style:italic;color:var(--ink);margin-bottom:.6rem}
.quote .who{font-size:.82rem;color:var(--ink-soft);font-weight:600}
.formula{background:#12211e;color:#dfeee6;border-radius:var(--r-sm);padding:1rem 1.1rem;font-family:var(--mono);font-size:.9rem;overflow-x:auto;margin:1rem 0;line-height:1.9;white-space:pre-wrap}
.formula b{color:#f0a878;font-weight:600}
.article{max-width:76ch;margin-inline:auto;padding:1.4rem 0}
.article h2{margin-top:1.8rem}
.article h3{margin-top:1.4rem}

/* Footer */
.site-foot{background:var(--brand);color:#c3cbdb;margin-top:2rem;padding:2rem 0 1rem;font-size:.9rem}
.foot-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:1.4rem}
@media(max-width:760px){.foot-cols{grid-template-columns:1fr 1fr}}
.site-foot h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.09em;margin-bottom:.7rem}
.site-foot a{color:#c3cbdb;text-decoration:none;display:block;padding:.2rem 0}
.site-foot a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:1.5rem;padding-top:1rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:#96a1b6;font-size:.83rem}
.cookie{position:fixed;left:1rem;right:1rem;bottom:1rem;background:#1b2333;color:#eef1f6;border:1px solid var(--blueprint);border-radius:var(--r);padding:.9rem 1.1rem;display:flex;gap:1rem;align-items:center;justify-content:space-between;flex-wrap:wrap;box-shadow:0 10px 40px rgba(0,0,0,.32);z-index:60;font-size:.88rem}
.cookie a{color:#f0a878}
.cookie-actions{display:flex;gap:.5rem;flex-wrap:wrap}
.cookie button{font:inherit;font-weight:700;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:.5rem .9rem;cursor:pointer}
.cookie button:hover{background:#c8481a}
.cookie .cookie-btn-ghost{background:transparent;color:#c9d2e2;border:1.5px solid rgba(255,255,255,.25)}
.cookie .cookie-btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.err404{text-align:center;padding:4rem 0 2rem}
.err404 .code{font-family:var(--disp);font-size:clamp(4rem,18vw,9rem);color:var(--brand);line-height:.9}
@media print{.site-head,.site-foot,.ad-slot,.cookie,.result-actions,.tool>.card:first-child,.crumb{display:none}.results{position:static}body{background:#fff}}