/* BrennholzLagerPlaner — "Rustic Timber" design: dark bark tones, wood browns,
   slab serif headings, chunky plank buttons, log-end motifs. Deliberately different from site 34. */
:root{
  --bark:#221405; --bark2:#2e1c0a; --wood:#6e4218; --wood2:#8f5a24;
  --amber:#e0a02c; --amber2:#c97f1e; --cream:#f8f1e3; --paper:#fffdf7;
  --ink:#2e2015; --muted:#6f5b45; --line:#e3d5ba;
  --head:"Georgia","Bookman Old Style","Palatino Linotype",serif;
  --body:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --shadow:6px 6px 0 rgba(34,20,5,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--cream);color:var(--ink);line-height:1.75;font-size:1.02rem}
.container{max-width:1040px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--head);font-weight:800;line-height:1.22;color:var(--bark)}
a{color:var(--wood2)}
img{max-width:100%;height:auto;display:block}

/* utility strip with wood-grain feel */
.topstrip{background:var(--bark);color:#e8c98a;font-size:.8rem;padding:8px 0;text-align:center;letter-spacing:.06em;text-transform:uppercase;font-weight:600;
  background-image:repeating-linear-gradient(95deg,rgba(224,160,44,.06) 0 3px,transparent 3px 9px)}
header.site{background:var(--paper);border-bottom:4px solid var(--wood);padding:14px 0;position:sticky;top:0;z-index:50}
header.site .bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.brand{font-family:var(--head);font-size:1.4rem;font-weight:800;color:var(--bark);text-decoration:none;display:inline-flex;align-items:center}
.brand em{font-style:normal;color:var(--amber2)}
.brand .logend{width:40px;height:40px;border-radius:50%;margin-right:12px;flex:none;
  background:radial-gradient(circle,#d9a75f 0 28%,#a5682a 29% 30%,#d9a75f 31% 44%,#a5682a 45% 46%,#d9a75f 47% 60%,#8f5a24 61% 64%,#5e3a17 65% 100%);
  border:3px solid var(--bark);box-shadow:inset 0 0 0 2px rgba(34,20,5,.25)}
nav.main a{color:var(--muted);text-decoration:none;margin-left:20px;font-weight:700;font-size:.95rem}
nav.main a:hover{color:var(--bark);text-decoration:underline}

/* Hero: full-bleed photo, dark timber overlay */
.hero{position:relative;color:var(--cream);overflow:hidden}
.hero .bg{position:absolute;inset:0;background:url("images/hero.webp") center/cover no-repeat}
.hero .veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(24,14,4,.88) 0%,rgba(24,14,4,.55) 55%,rgba(24,14,4,.25) 100%)}
.hero .container{position:relative;padding:88px 24px}
.kicker{display:inline-block;background:var(--amber);color:var(--bark);font-weight:800;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;padding:6px 14px;margin-bottom:18px;border:2px solid var(--bark)}
.hero h1{color:var(--cream);font-size:2.7rem;max-width:14ch;margin-bottom:16px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.hero p.lead{font-size:1.15rem;max-width:56ch;color:#f3e7cd}
.hero-cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--amber);color:var(--bark);font-weight:800;text-decoration:none;padding:14px 30px;border:3px solid var(--bark);box-shadow:4px 4px 0 rgba(0,0,0,.45);font-size:1rem;transition:transform .12s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,.45)}
.btn-ghost{display:inline-block;color:var(--cream);font-weight:700;text-decoration:none;padding:14px 30px;border:3px solid var(--cream)}
.btn-ghost:hover{background:rgba(248,241,227,.12)}

/* section headers with log-end bullet */
.sec{padding:64px 0}
.sec-head{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.sec-head h2{font-size:1.9rem}
.logdot{width:34px;height:34px;border-radius:50%;flex:none;border:3px solid var(--bark);
  background:radial-gradient(circle,#d9a75f 0 30%,#a5682a 31% 33%,#d9a75f 34% 52%,#8f5a24 53% 56%,#5e3a17 57% 100%)}
.sec-sub{color:var(--muted);max-width:70ch;margin-bottom:32px}

/* tool cards: wooden planks */
.toolgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.toolcard{background:var(--paper);border:2px solid var(--wood);border-left:10px solid var(--wood);box-shadow:var(--shadow);padding:24px;display:flex;flex-direction:column;text-decoration:none;color:var(--ink);transition:transform .15s}
.toolcard:hover{transform:translateY(-4px)}
.toolcard .ticon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--wood),var(--bark));display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.toolcard .ticon svg{width:28px;height:28px;fill:var(--amber)}
.toolcard h3{font-size:1.25rem;margin-bottom:8px;color:var(--bark)}
.toolcard p{font-size:.95rem;color:var(--muted);flex:1}
.toolcard .go{margin-top:14px;font-weight:800;color:var(--amber2);font-size:.95rem}

/* guide cards */
.guidegrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.guidecard{background:var(--bark);color:var(--cream);border:2px solid var(--bark);box-shadow:var(--shadow);overflow:hidden;text-decoration:none;display:flex;flex-direction:column}
.guidecard .gimg{height:170px;background-size:cover;background-position:center}
.guidecard .gtxt{padding:22px}
.guidecard h3{color:var(--amber);font-size:1.2rem;margin-bottom:8px}
.guidecard p{font-size:.94rem;color:#e6d6b8}
.guidecard:hover .gtxt h3{text-decoration:underline}

/* article */
.prose{max-width:760px}
.prose h2{font-size:1.6rem;margin:2.2em 0 .6em}
.prose h3{font-size:1.25rem;margin:1.6em 0 .5em}
.prose p{margin:.9em 0}
.prose ul,.prose ol{margin:.9em 0 .9em 1.4em}
.prose li{margin:.4em 0}
.prose table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.96rem}
.prose th{background:var(--wood);color:var(--cream);text-align:left;padding:10px 12px;font-family:var(--head)}
.prose td{border:1px solid var(--line);padding:10px 12px;background:var(--paper)}
.prose tr:nth-child(even) td{background:#fbf5e8}
.figure{margin:1.6em 0;border:3px solid var(--wood);box-shadow:var(--shadow)}
.figure img{width:100%}
.figure figcaption{background:var(--bark);color:#e8c98a;font-size:.85rem;padding:8px 14px}
.formula{background:#f3e8cf;border:2px dashed var(--wood2);padding:14px 18px;margin:1.2em 0;font-family:var(--head);font-size:1.05rem}
.formula strong{color:var(--wood)}
.example{background:var(--paper);border:2px solid var(--wood);border-left:10px solid var(--amber);padding:18px 22px;margin:1.4em 0;box-shadow:var(--shadow)}
.example h4{font-family:var(--head);color:var(--bark);margin-bottom:.4em}
.warnbox{background:#fdf3e0;border:2px solid var(--amber2);padding:16px 20px;margin:1.4em 0;font-size:.95rem}
.warnbox strong{color:var(--bark)}

/* calculator */
.calc{background:var(--paper);border:3px solid var(--wood);box-shadow:var(--shadow);padding:28px;margin:1.6em 0}
.calc h2{font-size:1.45rem;margin-bottom:.4em}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:14px 0}
.calc .row3{grid-template-columns:1fr 1fr 1fr}
.calc label{display:block;font-weight:700;font-size:.92rem;margin-bottom:6px;color:var(--bark)}
.calc input,.calc select{width:100%;padding:12px;border:2px solid var(--line);font-size:1rem;font-family:var(--body);background:#fffdf7;border-radius:0}
.calc input:focus,.calc select:focus{border-color:var(--wood2);outline:none}
.calc .hint{font-size:.82rem;color:var(--muted);font-weight:400}
.calc button{cursor:pointer;background:var(--amber);color:var(--bark);font-weight:800;font-size:1.05rem;padding:14px 34px;border:3px solid var(--bark);box-shadow:4px 4px 0 rgba(34,20,5,.35);font-family:var(--body)}
.calc button:hover{background:var(--amber2);color:#fff}
.result{background:var(--bark);color:var(--cream);padding:22px;margin-top:20px;display:none}
.result.show{display:block}
.result .big{font-family:var(--head);font-size:2rem;color:var(--amber)}
.result .sub{font-size:.95rem;color:#e6d6b8;margin-top:6px}
.result .detail{font-size:.9rem;color:#d9c9a8;margin-top:10px;border-top:1px solid rgba(224,160,44,.35);padding-top:10px}

/* FAQ */
.faq details{background:var(--paper);border:2px solid var(--wood);margin:12px 0;box-shadow:3px 3px 0 rgba(34,20,5,.1)}
.faq summary{cursor:pointer;font-family:var(--head);font-weight:700;color:var(--bark);padding:16px 20px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";display:inline-block;width:14px;height:14px;border-radius:50%;margin-right:12px;vertical-align:baseline;
  background:radial-gradient(circle,#d9a75f 0 45%,#8f5a24 46% 100%);border:2px solid var(--bark)}
.faq details[open] summary{background:#f6ecd7}
.faq .a{padding:0 20px 18px;color:var(--ink)}

.crumbs{font-size:.88rem;color:var(--muted);margin:22px 0}
.crumbs a{color:var(--wood2);text-decoration:none}
main.page{padding-bottom:60px}
.pagehero{background:var(--bark);color:var(--cream);padding:52px 0;margin-bottom:36px;background-image:repeating-linear-gradient(95deg,rgba(224,160,44,.07) 0 3px,transparent 3px 12px)}
.pagehero h1{color:var(--cream);font-size:2.1rem;max-width:22ch}
.pagehero p{color:#e6d6b8;max-width:64ch;margin-top:10px}
.relbox{background:#f6ecd7;border:2px solid var(--wood2);padding:20px 24px;margin:2.4em 0}
.relbox h3{margin-bottom:.5em}
.relbox ul{margin:.4em 0 .4em 1.2em}

/* footer */
footer.site{background:var(--bark);color:#d9c9a8;margin-top:70px;padding:48px 0 26px;background-image:repeating-linear-gradient(95deg,rgba(224,160,44,.05) 0 3px,transparent 3px 12px)}
footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;margin-bottom:30px}
footer.site h4{font-family:var(--head);color:var(--amber);margin-bottom:12px;font-size:1.05rem}
footer.site a{color:#e6d6b8;text-decoration:none;font-size:.93rem;display:block;margin:6px 0}
footer.site a:hover{color:var(--amber)}
footer.site .bottom{border-top:1px solid rgba(224,160,44,.3);padding-top:18px;font-size:.85rem;color:#b49a72}

@media(max-width:640px){
  .hero h1{font-size:1.9rem}
  .hero .container{padding:60px 24px}
  .calc .row,.calc .row3{grid-template-columns:1fr}
  nav.main a{margin:0 12px 0 0}
}
</style>