/* Self-hostované fonty (Manrope, Inter — variabilní, latin + latin-ext), font-display: swap */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/inter-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/inter-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/inter-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/inter-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/manrope-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/manrope-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/manrope-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/manrope-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(fonts/manrope-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(fonts/manrope-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* ============================================================
   REVIZE VYTÁPĚNÍ — koncept A
   Barvy: modrá #12365B · oranžová #F2762E · zelená #2E9E6B
   Typografie: Manrope (titulky) + Inter (text)
   ============================================================ */
:root{
  --navy:#12365B; --navy-2:#1B4A77; --orange:#F2762E; --orange-2:#D9631F;
  --green:#2E9E6B; --paper:#F7F5F0; --ink:#1C2230; --muted:#5E6675;
  --line:#E4E0D8; --white:#fff;
  --ff-head:'Manrope',system-ui,sans-serif; --ff-body:'Inter',system-ui,sans-serif;
  --radius:12px; --maxw:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--ff-body);font-size:17px;line-height:1.65;color:var(--ink);background:var(--paper)}
img,svg{display:block;max-width:100%}
a{color:var(--navy);text-decoration-thickness:1px;text-underline-offset:3px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--ff-head);font-weight:800;letter-spacing:-.015em;line-height:1.2}
h2{font-size:clamp(26px,3.4vw,34px);margin-bottom:14px}
h3{font-size:20px;font-weight:700}
.section{padding:72px 0}
.section.alt{background:var(--white)}
.section-lead{color:var(--muted);max-width:62ch;margin-bottom:36px;font-size:18px}
.kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--orange-2);margin-bottom:12px}

/* ---------- header ---------- */
.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(255,255,255,.08)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none}
.brand .mark{width:34px;height:34px;flex:none}
.brand .name{font-family:var(--ff-head);font-weight:800;font-size:17.5px;letter-spacing:.01em;white-space:nowrap}
.brand .name span{font-weight:400}
.nav-toggle{display:none}
.nav-btn{display:none;cursor:pointer;padding:8px;border:1.5px solid rgba(255,255,255,.4);border-radius:8px;color:#fff;font-size:14px;font-weight:600}
nav.main{display:flex;align-items:center;gap:24px}
nav.main a{color:#fff;text-decoration:none;font-size:14.5px;font-weight:500;opacity:.92}
nav.main a:hover{opacity:1;text-decoration:underline;text-underline-offset:5px}
nav.main a.cta{background:var(--orange);padding:9px 18px;border-radius:9px;font-weight:700;opacity:1}
nav.main a.cta:hover{background:var(--orange-2);text-decoration:none}
@media(max-width:960px){
  .nav-btn{display:block}
  nav.main{display:none;position:absolute;top:68px;left:0;right:0;background:var(--navy);flex-direction:column;align-items:stretch;padding:12px 24px 20px;gap:4px;border-top:1px solid rgba(255,255,255,.12)}
  nav.main a{padding:11px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08)}
  nav.main a.cta{text-align:center;margin-top:10px;border-bottom:none}
  .nav-toggle:checked ~ nav.main{display:flex}
}

/* ---------- hero ---------- */
.hero{background:linear-gradient(100deg,rgba(14,42,72,.96) 0%,rgba(18,54,91,.88) 45%,rgba(20,58,98,.72) 100%),url('hero-kotelna.webp') center/cover no-repeat;color:#fff;padding:84px 0 92px}
@media(max-width:700px){.hero{background-image:linear-gradient(160deg,rgba(14,42,72,.96) 0%,rgba(18,54,91,.9) 100%),url('hero-kotelna-960.webp')}}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}}
.hero h1{font-size:clamp(30px,4.4vw,44px);margin:14px 0 18px}
.hero .kicker{color:#F2A36E}
.hero p.sub{font-size:18.5px;opacity:.92;max-width:56ch}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-block;font-family:var(--ff-body);font-weight:700;font-size:16px;padding:14px 26px;border-radius:10px;text-decoration:none;cursor:pointer;border:none;transition:transform .08s ease, background .15s ease}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--orange);color:#fff}
.btn.primary:hover{background:var(--orange-2)}
.btn.ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn.ghost:hover{border-color:#fff}
.btn.navy{background:var(--navy);color:#fff}
.btn.navy:hover{background:var(--navy-2)}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:26px 28px;backdrop-filter:blur(4px)}
.hero-card h3{font-size:15px;letter-spacing:.1em;text-transform:uppercase;color:#F2A36E;margin-bottom:16px;font-weight:700}
.hero-card ul{list-style:none}
.hero-card li{padding:9px 0 9px 34px;position:relative;font-size:15.5px;border-bottom:1px solid rgba(255,255,255,.1)}
.hero-card li:last-child{border-bottom:none}
.hero-card li::before{content:"";position:absolute;left:0;top:12px;width:20px;height:20px;background:var(--green);border-radius:50%;
  -webkit-mask:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" stroke="black" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round" d="M5 12.5 L10 17.5 L19 7"/></svg>') center/contain no-repeat;
  mask:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" stroke="black" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round" d="M5 12.5 L10 17.5 L19 7"/></svg>') center/contain no-repeat}

/* ---------- trust bar ---------- */
.trust{background:var(--white);border-bottom:1px solid var(--line)}
.trust .wrap{display:flex;justify-content:space-between;gap:24px;padding-top:22px;padding-bottom:22px;flex-wrap:wrap}
.trust .item{font-size:14.5px;color:var(--muted)}
.trust .item b{display:block;font-family:var(--ff-head);font-weight:800;font-size:19px;color:var(--navy)}

/* ---------- cards / steps ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:860px){.grid-3{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card .num{width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--ff-head);font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:15.5px}
.card.seg{border-top:4px solid var(--orange)}
.card.seg a.more{display:inline-block;margin-top:14px;font-weight:600;font-size:15px}

/* ---------- calculator ---------- */
.calc{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:34px;max-width:760px;margin:0 auto;box-shadow:0 2px 10px rgba(18,54,91,.06)}
.calc .field{margin-bottom:20px}
.calc label{display:block;font-weight:600;font-size:15px;margin-bottom:8px}
.calc select,.calc input[type=number],.calc input[type=text],.calc input[type=email],.calc input[type=tel]{width:100%;padding:12px 14px;font-size:16px;font-family:var(--ff-body);border:1.5px solid #CFCAC0;border-radius:9px;background:#fff;color:var(--ink)}
.calc select:focus,.calc input:focus{outline:2.5px solid var(--orange);outline-offset:1px;border-color:var(--orange)}
.calc .hint{font-size:13.5px;color:var(--muted);margin-top:6px}
.calc-result{margin-top:8px;padding:22px 24px;border-radius:12px;background:#F0F7F3;border:1.5px solid var(--green);display:none}
.calc-result.show{display:block}
.calc-result .price{font-family:var(--ff-head);font-weight:800;font-size:32px;color:var(--navy)}
.calc-result .note{font-size:14px;color:var(--muted);margin-top:6px}
.calc-result .btn{margin-top:16px}
.calc-result.indiv{background:#FdF3EC;border-color:var(--orange)}

/* ---------- split (text + photo) ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;margin-bottom:40px}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:24px}}
.img-rounded{border-radius:16px;box-shadow:0 6px 24px rgba(18,54,91,.14);width:100%;height:auto}
.prose .img-rounded{margin:8px 0 28px}

/* ---------- FAQ ---------- */
.faq details{background:var(--white);border:1px solid var(--line);border-radius:10px;margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:600;font-size:16.5px;padding:18px 0;list-style:none;position:relative;padding-right:34px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:12px;font-size:24px;color:var(--orange);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 0 18px;color:var(--muted);font-size:15.5px;max-width:75ch}

/* ---------- content pages ---------- */
.page-head{background:var(--navy);color:#fff;padding:56px 0 48px}
.page-head h1{font-size:clamp(28px,3.8vw,40px);max-width:24ch}
.page-head p{margin-top:12px;opacity:.9;max-width:62ch;font-size:18px}
.prose{max-width:760px}
.prose h2{margin-top:44px;font-size:26px}
.prose h3{margin-top:28px;margin-bottom:8px}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 16px 22px}
.prose li{margin-bottom:8px}
.infobox{background:#EDF3F9;border-left:4px solid var(--navy);border-radius:0 10px 10px 0;padding:18px 22px;margin:24px 0;font-size:15.5px}
.infobox.warn{background:#FDF3EC;border-color:var(--orange)}
.infobox.ok{background:#F0F7F3;border-color:var(--green)}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:18px;padding:44px 40px;display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.cta-band h2{margin-bottom:6px}
.cta-band p{opacity:.9}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B9BEC9;margin-top:72px;padding:52px 0 40px;font-size:14.5px}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
@media(max-width:860px){.site-footer .cols{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.site-footer .cols{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-family:var(--ff-head);font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.site-footer a{color:#D8DCE4;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.site-footer li{list-style:none;margin-bottom:9px}
.site-footer .legal{border-top:1px solid #333A47;margin-top:36px;padding-top:22px;font-size:13px;color:#8A909C;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.badge-pill{display:inline-block;background:#26497022;color:var(--navy);border:1px solid #26497040;font-size:13px;font-weight:600;border-radius:999px;padding:4px 12px;margin:0 6px 6px 0}