/* =========================================================
   konveksigorden.com — design tokens
   Palette: heavy drapery charcoal-navy + brass hardware + linen
   Type: Fraunces (display, textured serif) / Work Sans (body) / JetBrains Mono (numbers)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,450;0,9..144,600;0,9..144,700;1,9..144,450&family=Work+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --ink:        #1E2230;   /* charcoal navy — heavy drapery */
  --ink-soft:   #2C3142;
  --linen:      #F6F2E9;   /* warm linen white */
  --linen-dim:  #EDE7D8;
  --brass:      #B4823C;   /* curtain-ring brass */
  --brass-dim:  #8E6529;
  --teal:       #3C5B56;   /* deep drapery teal */
  --brick:      #8A4030;   /* accent thread red */
  --line:       rgba(30,34,48,0.14);
  --line-soft:  rgba(246,242,233,0.16);

  --font-display: "Fraunces", serif;
  --font-body: "Work Sans", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --radius: 3px;
  --container: 1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--linen);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;}

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.08;
  margin:0 0 .4em;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.4rem,5.2vw,4.4rem); font-weight:450;}
h2{font-size:clamp(1.7rem,3vw,2.5rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--brass-dim);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--brass-dim);
  display:inline-block;
}

/* ---------- measuring-tape divider — the signature element ---------- */
.tape{
  height:26px;
  width:100%;
  background-image:repeating-linear-gradient(
    to right,
    var(--ink) 0 1px,
    transparent 1px 20px
  );
  background-position:0 bottom;
  background-size:100% 10px;
  background-repeat:repeat-x;
  position:relative;
  opacity:0.9;
}
.tape::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:1.5px; background:var(--ink);
}
.tape.on-dark{background-image:repeating-linear-gradient(to right, var(--linen) 0 1px, transparent 1px 20px);}
.tape.on-dark::after{background:var(--linen);}

/* ---------- nav ---------- */
header.site{
  position:sticky; top:0; z-index:40;
  background:rgba(246,242,233,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 28px;
  max-width:var(--container); margin:0 auto;
}
.logo{
  font-family:var(--font-display);
  font-size:1.28rem; font-weight:600;
  letter-spacing:-0.01em;
  text-decoration:none;
  color:var(--ink);
}
.logo span{color:var(--brass-dim);}
.navlinks{display:flex; gap:30px; list-style:none; margin:0; padding:0;}
.navlinks a{
  text-decoration:none;
  font-size:0.92rem; font-weight:500;
  color:var(--ink-soft);
  position:relative;
  padding-bottom:3px;
}
.navlinks a.active,
.navlinks a:hover{color:var(--ink);}
.navlinks a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-3px; height:2px; background:var(--brass);
}
.navcta{
  background:var(--ink); color:var(--linen);
  padding:10px 18px; border-radius:var(--radius);
  text-decoration:none; font-size:0.88rem; font-weight:600;
  white-space:nowrap;
}
.navcta:hover{background:var(--ink-soft);}
.navtoggle{display:none;}

@media (max-width:820px){
  .navlinks{
    position:fixed; inset:64px 0 0 0; background:var(--linen);
    flex-direction:column; padding:24px 28px; gap:6px;
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:all .18s ease;
  }
  .navlinks a{padding:14px 0; border-bottom:1px solid var(--line); font-size:1.05rem;}
  .navlinks.open{transform:translateY(0); opacity:1; pointer-events:auto;}
  .navtoggle{
    display:block; background:none; border:1px solid var(--line); border-radius:var(--radius);
    width:40px; height:36px; cursor:pointer; font-size:1.1rem;
  }
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 26px;
  border-radius:var(--radius);
  text-decoration:none;
  font-weight:600; font-size:0.95rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .12s ease, background .12s ease;
}
.btn:active{transform:translateY(1px);}
.btn-brass{background:var(--brass); color:var(--ink);}
.btn-brass:hover{background:#c4913f;}
.btn-outline{border-color:var(--ink); color:var(--ink); background:transparent;}
.btn-outline:hover{background:var(--ink); color:var(--linen);}
.btn-outline-light{border-color:var(--line-soft); color:var(--linen); background:transparent;}
.btn-outline-light:hover{background:var(--linen); color:var(--ink);}

/* ---------- hero ---------- */
.hero{
  background:var(--ink);
  color:var(--linen);
  padding:110px 0 0;
  position:relative;
  overflow:hidden;
}
.hero .wrap{position:relative; z-index:2;}
.hero-grid{
  display:grid; grid-template-columns:1.15fr 0.85fr; gap:60px;
  padding-bottom:70px;
  align-items:end;
}
.hero p.lead{font-size:1.12rem; color:var(--line-soft); max-width:46ch;}
.hero-actions{display:flex; gap:14px; margin-top:30px; flex-wrap:wrap;}
.hero-fig{
    color:var(--text-light);
}

.hero-fig .row span{
    color:var(--text-light-soft);
}

.hero-fig .row b{
    color:#E2B96A;
}
.hero-fig{
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:26px;
  font-family:var(--font-mono);
  background:rgba(246,242,233,0.04);
}
.hero-fig .row{display:flex; justify-content:space-between; padding:9px 0; border-bottom:1px dashed var(--line-soft); font-size:0.86rem;}
.hero-fig .row:last-child{border-bottom:none;}
.hero-fig .row b{color:var(--brass); font-weight:600;}

@media (max-width:820px){
  .hero-grid{grid-template-columns:1fr; gap:36px;}
}

/* ---------- sections ---------- */
section{padding:86px 0;}
.section-head{max-width:640px; margin-bottom:52px;}
.section-dark{background:var(--ink); color:var(--linen);}
.section-dim{background:var(--linen-dim);}

.split{display:grid; grid-template-columns:1fr 1fr; gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
.split-col{padding:44px; }
.split-col + .split-col{border-left:1px solid var(--line);}
.split-col.dark p,
.split-col.dark li{
    color:var(--text-light);
}

.split-col.dark h3{
    color:#fff;
}
.split-col.dark{background:var(--ink); color:var(--linen);}
.split-col .tag{
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--brass-dim); margin-bottom:14px; display:block;
}
.split-col.dark .tag{color:var(--brass);}
.split-col ul{padding-left:0; list-style:none; margin:22px 0 28px;}
.split-col li{
  padding:11px 0; border-top:1px solid var(--line); font-size:0.94rem;
  display:flex; gap:10px;
}
.split-col.dark li{border-top:1px solid var(--line-soft);}
.split-col li::before{content:"—"; color:var(--brass-dim); flex:none;}

@media (max-width:820px){
  .split{grid-template-columns:1fr;}
  .split-col + .split-col{border-left:none; border-top:1px solid var(--line);}
}

/* ---------- cards ---------- */
.cardgrid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.card{
  border:1px solid var(--line); border-radius:var(--radius);
  padding:30px 26px; background:var(--linen);
}
.card .num{font-family:var(--font-mono); color:var(--brass-dim); font-size:0.8rem; margin-bottom:14px; display:block;}
.card h3{margin-bottom:.5em;}
.card p{color:var(--ink-soft); font-size:0.94rem; margin-bottom:0;}

@media (max-width:900px){ .cardgrid{grid-template-columns:1fr;} }

/* ---------- calculator tool ---------- */
.tool{
  border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden;
  background:var(--linen);
}
.tool-grid{display:grid; grid-template-columns:1fr 1fr;}
.tool-form{padding:40px; border-right:1px solid var(--line);}
.tool-result{padding:40px; background:var(--ink); color:var(--linen);}
@media (max-width:860px){
  .tool-grid{grid-template-columns:1fr;}
  .tool-form{border-right:none; border-bottom:1px solid var(--line);}
}

.field{margin-bottom:22px;}
.field label{
  display:block; font-size:0.82rem; font-weight:600; margin-bottom:8px;
  text-transform:uppercase; letter-spacing:.04em; color:var(--ink-soft);
}
.field .hint{font-size:0.8rem; color:#7a7a72; margin-top:6px;}
.field input[type=number],
.field select{
  width:100%; padding:13px 14px;
  border:1px solid var(--line); border-radius:var(--radius);
  background:#fff; font-family:var(--font-mono); font-size:1rem; color:var(--ink);
}
.field input[type=number]:focus,
.field select:focus{outline:2px solid var(--brass); outline-offset:1px;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}

.stepper{
  display:flex; align-items:center; gap:0;
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; width:fit-content;
}
.stepper button{
  width:38px; height:38px; border:none; background:var(--linen-dim); cursor:pointer; font-size:1.1rem;
}
.stepper input{
  width:56px; text-align:center; border:none; border-left:1px solid var(--line); border-right:1px solid var(--line);
  font-family:var(--font-mono); height:38px;
}

.result-row{
  display:flex; justify-content:space-between; align-items:baseline;
  padding:14px 0; border-bottom:1px dashed var(--line-soft);
}
.result-row:last-of-type{border-bottom:none;}
.result-row .k{font-size:0.88rem; color:var(--text-light-soft);}
.result-row .v{font-family:var(--font-mono); font-size:1rem; color:var(--linen);}
.result-hero{margin-top:6px; margin-bottom:26px;}
.result-hero .k{font-family:var(--font-mono); font-size:0.75rem; letter-spacing:.1em; text-transform:uppercase; color:var(--brass);}
.result-hero .v{font-family:var(--font-mono); font-size:2.6rem; font-weight:700; display:block; margin-top:6px;}
.result-note{
  margin-top:24px; padding:16px; border:1px dashed var(--text-light); border-radius:var(--radius);
  font-size:0.85rem; color:var(--text-light);
}

/* ---------- CTA band ---------- */
.ctaband{
  background:var(--brass); color:var(--ink);
  padding:60px 0; text-align:center;
}
.ctaband h2{margin-bottom:.3em;}
.ctaband .btn-outline{border-color:var(--ink);}

/* ---------- footer ---------- */
footer.site{
  background:var(--ink); color:var(--text-light-soft);
  padding:60px 0 30px;
}
.footgrid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:36px;}
footer.site h4{color:var(--linen); font-family:var(--font-body); font-size:0.85rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:16px;}
footer.site ul{list-style:none; padding:0; margin:0;}
footer.site li{margin-bottom:10px; font-size:0.9rem;}
footer.site a{text-decoration:none; color:var(--text-light-soft);}
footer.site a:hover{color:var(--linen);}
.footbottom{
  border-top:1px solid var(--line-soft); padding-top:22px;
  display:flex; justify-content:space-between; font-size:0.8rem; flex-wrap:wrap; gap:10px;
}

@media (max-width:820px){ .footgrid{grid-template-columns:1fr; gap:28px;} }

/* ---------- misc ---------- */
.pill{
  display:inline-block; font-family:var(--font-mono); font-size:0.72rem;
  padding:5px 10px; border:1px solid var(--brass-dim); color:var(--brass-dim);
  border-radius:20px; letter-spacing:.04em;
}
.breadcrumb{font-family:var(--font-mono); font-size:0.78rem; color:var(--ink-soft); margin-bottom:16px;}
.breadcrumb a{color:var(--brass-dim); text-decoration:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}