/* =========================================================
   Toplotna črpalka — design system
   Paleta izhaja iz treh virov toplote (zrak / zemlja / voda)
   in bakrenega tona, ki predstavlja preneseno toploto.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root{
  --bg:        #EFEDE6;
  --bg-alt:    #E4E0D3;
  --panel:     #F7F5F0;
  --ink:       #1C2530;
  --ink-soft:  #4A5560;
  --ink-faint: #7B8490;
  --line:      #CFC9BA;
  --copper:    #BD5B2C;
  --copper-deep: #8F4019;
  --slate:     #3E7C8C;
  --slate-deep:#2B5A67;
  --earth:     #6B5842;
  --white:     #FFFFFF;

  --serif: 'IBM Plex Serif', Georgia, serif;
  --sans:  'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max: 1120px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{ max-width:100%; display:block; }
a{ color:inherit; }

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.1rem, 4.4vw, 3.4rem); font-weight:500; }
h2{ font-size:clamp(1.5rem, 2.8vw, 2.1rem); }
h3{ font-size:1.3rem; }
p{ margin:0 0 1em; color:var(--ink-soft); max-width:66ch; }
.lede{ font-size:1.15rem; color:var(--ink-soft); max-width:52ch; }

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

/* ---------- buttons & links ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--sans);
  font-weight:600;
  font-size:.98rem;
  padding:.85em 1.5em;
  border-radius:3px;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{ background:var(--copper); color:var(--white); }
.btn-primary:hover{ background:var(--copper-deep); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--bg); }
.btn-ghost-light{ background:transparent; color:var(--white); border-color:rgba(255,255,255,.5); }
.btn-ghost-light:hover{ border-color:#fff; }

.textlink{
  color:var(--copper-deep);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:rgba(143,64,25,.4);
}
.textlink:hover{ text-decoration-color:currentColor; }

/* ---------- header / nav ---------- */
header.site{
  border-bottom:1px solid var(--line);
  background:var(--bg);
  position:sticky; top:0; z-index:50;
}
.nav-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 0;
}
.logo{
  font-family:var(--serif);
  font-size:1.28rem;
  font-weight:600;
  text-decoration:none;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:.5em;
}
.logo .mark{ width:26px; height:26px; flex:none; }
nav.primary{ display:flex; align-items:center; gap:30px; }
nav.primary a{
  text-decoration:none;
  font-size:.96rem;
  color:var(--ink-soft);
  font-weight:500;
}
nav.primary a:hover, nav.primary a.active{ color:var(--copper-deep); }
.nav-cta{ display:flex; align-items:center; gap:18px; }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); margin:5px 0; }

@media (max-width: 880px){
  nav.primary{
    position:absolute; top:100%; left:0; right:0;
    background:var(--bg); border-bottom:1px solid var(--line);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:8px 28px 18px;
    display:none;
  }
  nav.primary.open{ display:flex; }
  nav.primary a{ padding:10px 0; width:100%; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:block; }
  .nav-cta .btn-primary{ padding:.7em 1.1em; font-size:.9rem; }
}

/* ---------- hero ---------- */
.hero{ padding:64px 0 56px; }
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:56px;
  align-items:center;
}
.hero .eyebrow{
  font-size:.85rem;
  color:var(--slate-deep);
  font-weight:600;
  margin-bottom:14px;
}
.hero-actions{ display:flex; gap:14px; margin-top:28px; flex-wrap:wrap; }
@media (max-width: 880px){
  .hero-grid{ grid-template-columns:1fr; gap:36px; }
  .hero{ padding:36px 0 40px; }
}

/* ---------- stat strip ---------- */
.stats{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats .wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  padding:0;
}
.stat{
  padding:26px 24px;
  border-left:1px solid var(--line);
}
.stat:first-child{ border-left:none; padding-left:0; }
.stat .num{
  font-family:var(--serif);
  font-size:2rem;
  color:var(--copper-deep);
  display:block;
  margin-bottom:4px;
}
.stat .lbl{ font-size:.9rem; color:var(--ink-soft); }
@media (max-width: 880px){
  .stats .wrap{ grid-template-columns:1fr 1fr; }
  .stat{ border-left:none; border-top:1px solid var(--line); padding:20px 0; }
  .stat:nth-child(odd){ padding-right:16px; }
  .stat:nth-child(even){ padding-left:16px; border-left:1px solid var(--line); }
  .stat:first-child, .stat:nth-child(2){ border-top:none; }
}

/* ---------- generic section ---------- */
.section{ padding:72px 0; }
.section.alt{ background:var(--bg-alt); }
.section-head{ max-width:640px; margin-bottom:40px; }
.section-head .kicker{ color:var(--slate-deep); font-weight:600; font-size:.85rem; margin-bottom:10px; }

/* ---------- process steps (genuinely sequential) ---------- */
.process{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.step{
  padding:26px 22px 26px 0;
  border-left:1px solid var(--line);
  padding-left:22px;
  position:relative;
}
.step:first-child{ border-left:none; padding-left:0; }
.step .n{
  font-family:var(--serif);
  color:var(--copper);
  font-size:1.6rem;
  display:block;
  margin-bottom:10px;
}
.step h4{ margin-bottom:.4em; font-size:1.05rem; }
.step p{ font-size:.94rem; margin-bottom:0; }
@media (max-width: 880px){
  .process{ grid-template-columns:1fr; border-top:none; }
  .step{ border-left:none; border-top:1px solid var(--line); padding:22px 0; }
  .step:first-child{ border-top:none; }
}

/* ---------- type cards (3 sources: zrak / zemlja / voda) ---------- */
.type-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.type-card{
  background:var(--panel);
  padding:32px 28px;
  border-top:3px solid var(--accent, var(--copper));
}
.type-card .icon{ width:40px; height:40px; margin-bottom:18px; }
.type-card h3{ margin-bottom:.3em; }
.type-card .tag{ font-size:.82rem; color:var(--ink-faint); margin-bottom:14px; display:block; }
.type-card p{ font-size:.95rem; }
.type-card a{ font-size:.9rem; font-weight:600; }
@media (max-width: 880px){
  .type-grid{ grid-template-columns:1fr; }
}

/* ---------- data tables (prices / subsidies — precision, not cards) ---------- */
table.data{
  width:100%;
  border-collapse:collapse;
  background:var(--panel);
  font-size:.96rem;
}
table.data caption{ text-align:left; caption-side:top; padding-bottom:10px; color:var(--ink-faint); font-size:.85rem; }
table.data th, table.data td{
  text-align:left;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
}
table.data thead th{
  font-family:var(--sans);
  font-weight:600;
  color:var(--ink);
  border-bottom:2px solid var(--ink);
  font-size:.88rem;
}
table.data td.num, table.data th.num{ text-align:right; font-variant-numeric:tabular-nums; }
table.data tr:last-child td{ border-bottom:1px solid var(--line); }
.table-scroll{ overflow-x:auto; }
.table-note{ font-size:.85rem; color:var(--ink-faint); margin-top:12px; }

/* ---------- brand chips ---------- */
.chip-grid{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  border:1px solid var(--line);
  background:var(--panel);
  padding:.6em 1.1em;
  border-radius:2px;
  font-size:.92rem;
  font-weight:500;
  text-decoration:none;
  color:var(--ink);
}
.chip:hover{ border-color:var(--copper); color:var(--copper-deep); }

/* ---------- brand detail rows (znamke.html) ---------- */
.brand-row{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:28px;
  padding:26px 0;
  border-top:1px solid var(--line);
}
.brand-row:last-child{ border-bottom:1px solid var(--line); }
.brand-row h3{ margin-bottom:.25em; }
.brand-row .origin{ font-size:.85rem; color:var(--ink-faint); }
@media (max-width: 700px){
  .brand-row{ grid-template-columns:1fr; gap:6px; }
}

/* ---------- callout / CTA band ---------- */
.callout{
  background:var(--ink);
  color:var(--bg);
  padding:56px 0;
}
.callout h2{ color:var(--white); max-width:20ch; }
.callout p{ color:#C7CDD4; }
.callout-grid{
  display:grid;
  grid-template-columns:1.3fr 0.7fr;
  gap:40px;
  align-items:center;
}
@media (max-width: 880px){ .callout-grid{ grid-template-columns:1fr; } }

/* ---------- FAQ ---------- */
.faq-item{
  border-top:1px solid var(--line);
  padding:22px 0;
}
.faq-item:last-child{ border-bottom:1px solid var(--line); }
.faq-item h4{ margin-bottom:.5em; font-size:1.05rem; }
.faq-item p{ margin-bottom:0; font-size:.96rem; }

/* ---------- footer ---------- */
footer.site{
  border-top:1px solid var(--line);
  padding:48px 0 30px;
  margin-top:40px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  margin-bottom:36px;
}
.foot-grid h5{ font-size:.85rem; text-transform:none; color:var(--ink); margin:0 0 12px; font-weight:600; }
.foot-grid ul{ list-style:none; margin:0; padding:0; }
.foot-grid li{ margin-bottom:8px; }
.foot-grid a{ text-decoration:none; color:var(--ink-soft); font-size:.92rem; }
.foot-grid a:hover{ color:var(--copper-deep); }
.foot-bottom{
  border-top:1px solid var(--line);
  padding-top:20px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:.84rem; color:var(--ink-faint);
}
@media (max-width: 700px){ .foot-grid{ grid-template-columns:1fr 1fr; } }

/* ---------- misc page header (subpages) ---------- */
.page-head{
  padding:52px 0 40px;
  border-bottom:1px solid var(--line);
}
.page-head .kicker{ color:var(--slate-deep); font-weight:600; font-size:.85rem; margin-bottom:12px; }
.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
}
@media (max-width: 880px){ .two-col{ grid-template-columns:1fr; } }

.badge{
  display:inline-block;
  font-size:.78rem;
  font-weight:600;
  padding:.3em .7em;
  border-radius:2px;
  background:rgba(189,91,44,.12);
  color:var(--copper-deep);
  margin-bottom:14px;
}

.list-check{ list-style:none; padding:0; margin:0 0 1.2em; }
.list-check li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
  color:var(--ink-soft);
  font-size:.97rem;
}
.list-check li::before{
  content:"";
  position:absolute; left:0; top:.5em;
  width:9px; height:9px;
  background:var(--slate);
}

/* ---------- hero diagram animation (single deliberate motion) ---------- */
.hero-diagram .flow-line{
  stroke-dasharray:6 6;
  animation:dashflow 1.6s linear infinite;
}
@keyframes dashflow{ to{ stroke-dashoffset:-24; } }
@media (prefers-reduced-motion: reduce){
  .hero-diagram .flow-line{ animation:none; }
}
.hero-diagram{ width:100%; height:auto; }