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

:root {
  --forest-dark: #193E32;
  --forest-mid: #335F49;
  --sage: #70977C;
  --pastel-green: #B9D3B9;
  --pastel-light: #DCE9D9;
  --mist: #EDF4E9;
  --page-background: #F8FAF5;
  --text-primary: #263A2E;
  --border-soft: #D3E1D1;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page-background);color:var(--text-primary);font-family:'Open Sans',Arial,sans-serif;font-size:16px;line-height:1.72}
a{color:var(--forest-mid);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
button{font:inherit}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3{color:var(--forest-dark);line-height:1.3}
.shell{width:min(1200px,calc(100% - 64px));margin:0 auto}
.skip-link{position:absolute;top:-60px;left:10px;padding:9px 14px;background:#fff;z-index:100}
.skip-link:focus{top:10px}
:focus-visible{outline:3px solid var(--forest-mid);outline-offset:3px}

/* Shared header and responsive navigation. */
.site-header{position:relative;z-index:50;background:var(--forest-dark);color:var(--page-background)}
.nav-shell{height:72px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{color:var(--page-background);font-size:27px;font-weight:600;letter-spacing:-1px;white-space:nowrap}
.brand:hover{color:var(--pastel-green);text-decoration:none}
.site-header :focus-visible{outline-color:var(--pastel-green)}
.nav-links{display:flex;align-items:center;gap:24px;height:100%;font-size:15px;font-weight:600}
.nav-links>a{display:block;padding:11px 6px;color:var(--page-background);line-height:1.5;white-space:nowrap;cursor:pointer;border-radius:2px;transition:background .15s,color .15s}
.nav-links>a:hover{background:var(--forest-mid);text-decoration:none}
.nav-links>a[aria-current="page"]{color:var(--pastel-green);box-shadow:inset 0 -2px var(--pastel-green)}
.menu-toggle{display:none;background:transparent;border:1px solid var(--sage);border-radius:2px;width:44px;height:44px;padding:9px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:var(--page-background);margin:5px 0}

/* Decorative banner: shared by every page, with no text overlay. */
.site-hero{width:100%;height:290px;background:var(--mist);overflow:hidden}
.site-hero img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 20%}

.button-row{display:flex;gap:23px;flex-wrap:wrap;align-items:center;margin-top:22px}
.btn{display:inline-block;background:var(--forest-dark);color:var(--page-background);font-weight:600;text-align:center;padding:10px 28px;border-radius:3px;border:1px solid transparent;min-width:184px;line-height:26px;transition:background .15s}
.btn:hover{color:var(--page-background);background:var(--forest-mid);text-decoration:none}
.home-content{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:48px;padding:30px 45px;align-items:center;background:#fff}
.home-text{max-width:735px}
.home-text h1{font-size:28px;font-weight:500;margin:0 0 24px}
.text-link{font-weight:600;text-decoration:underline;text-decoration-color:var(--sage);text-underline-offset:4px}
.text-link:hover{color:var(--forest-dark);text-decoration-color:var(--forest-dark)}
.home-text>p{margin-bottom:22px;font-size:16px}
.home-text>p:last-child{margin-bottom:0}
.home-text blockquote{margin:24px 0;padding:0;font-style:italic;color:var(--forest-mid)}
.home-text blockquote p{margin:0 0 12px}
.home-text blockquote p:last-child{margin-bottom:0}
.home-phone{text-align:center;padding-top:0}
.home-phone img{display:block;width:auto;height:auto;max-width:100%;max-height:400px;margin:auto}
.site-footer{border-top:1px solid var(--border-soft);text-align:center;color:var(--forest-mid);padding:32px 0 34px;font-size:15px;background:var(--mist)}
.article-page{min-height:65vh;padding:55px 45px 95px;background:#fff}
.article-page h1{font-weight:500;font-size:36px;margin:0 0 56px}
.article-page h2{font-weight:700;font-size:20px;margin:28px 0 14px}
.article-page h3{font-size:18px;margin:0 0 23px;font-weight:700}
.article-page h4{font-size:14px;margin:20px 0 4px;font-weight:700}
.article-page em{font-style:italic}
.article-page p{margin-bottom:26px}
.article-page ul,.article-page ol{padding-left:22px;margin:10px 0 25px}
.article-page li{padding-left:0;margin-bottom:13px}
.article-page strong{font-weight:700}
.article-narrow>*{max-width:770px}
.article-narrow h1{max-width:none}
.article-narrow>h3,.article-narrow>p,.article-narrow>ul,.article-narrow>ol,.article-narrow>h2,.article-narrow>.button-row{margin-left:0}
.article-page a:not(.btn){text-decoration:underline}
.site-footer a{text-decoration:underline;text-underline-offset:3px}
.article-page.research-page{min-height:0;padding-top:36px;padding-bottom:40px}
.article-page.research-page h1{margin-bottom:20px}
.research-topic{margin-top:28px}
.research-topic h3{margin:0 0 12px}
.research-topic>p{margin-bottom:14px}
.research-topic>p:last-of-type{margin-bottom:0}
.research-publications{margin-top:24px;overflow-wrap:anywhere}
.research-publications h4{font-size:16px;margin:0 0 12px}
.research-publications h5{color:var(--forest-dark);font-size:16px;line-height:1.3;margin:0 0 8px}
.research-publications p{margin-bottom:10px}
.research-publications .publication-list{margin-bottom:0}
.related-literature{margin-top:20px;font-size:14px;line-height:1.6;overflow-wrap:anywhere}
.related-literature h4{font-size:15px;margin:0 0 8px}
.related-literature p{margin-bottom:8px;color:var(--forest-mid)}
.article-page .related-literature ul{margin:0;padding-left:20px}
.article-page .related-literature li{margin-bottom:12px}
.article-page .related-literature li:last-child{margin-bottom:0}
.article-page .app-catalogue{list-style:none;display:grid;gap:32px;max-width:960px;margin:0;padding:0}
.article-page .app-entry{display:grid;grid-template-columns:minmax(0,1fr) 200px;align-items:start;gap:36px;margin:0;padding:0}
.article-page .app-entry+.app-entry{border-top:1px solid var(--border-soft);padding-top:32px}
.app-entry h2{font-size:24px;font-weight:600;margin:0 0 12px}
.app-entry h3{font-size:16px;margin:24px 0 10px}
.app-entry p{margin:0 0 16px}
.app-entry img{display:block;width:200px;height:170px;object-fit:contain}
.app-entry .app-icon{width:170px;height:auto}
.app-entry .app-status{color:var(--forest-mid);font-size:15px;font-weight:600;margin:0 0 18px}
.apps-preparation{max-width:960px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border-soft)}
.apps-preparation h2{margin:0 0 14px}
.article-page .apps-preparation ul{display:flex;flex-wrap:wrap;gap:8px 32px;margin:0;padding-left:20px}
.article-page .apps-preparation li{margin:0}
.heightczech-page h1{margin-bottom:14px}
.heightczech-page .app-subtitle{font-size:20px;color:var(--forest-mid);line-height:1.5;margin-bottom:24px}
.store-link{display:inline-flex;align-items:center;justify-content:center;gap:10px}
.store-icon{width:22px;height:22px;flex:none;vertical-align:middle}
.download-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0 0 32px}
.download-buttons .btn{min-width:0;padding:12px 14px;font-size:15px;line-height:1.5}
.heightczech-page .app-screenshots{max-width:none;margin:36px 0}
.app-screenshots h3{margin:24px 0 16px}
.screenshot-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;align-items:start}
.screenshot-gallery figure{min-width:0;margin:0}
.screenshot-gallery a{display:block}
.screenshot-gallery img{display:block;width:100%;height:auto;border:1px solid var(--border-soft);border-radius:3px}
.screenshot-gallery figcaption{margin-top:10px;color:var(--forest-mid);font-size:14px;line-height:1.5}
.article-page.tutorials-page h1{margin-bottom:28px}
.tutorial-section+.tutorial-section{margin-top:40px;padding-top:32px;border-top:1px solid var(--border-soft)}
.tutorial-section h2{font-size:24px;margin:0 0 16px}
.tutorial-section h3{margin:24px 0 14px}
.tutorial-section .tutorial-note,.tutorial-section .tutorial-status{font-size:15px;color:var(--forest-mid);margin-bottom:20px}
.tutorial-status{font-weight:600}
.tutorial-section .tutorial-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 36px;margin:0 0 24px;padding-left:22px}
.tutorial-steps li{margin:0}
.tutorial-steps p{margin:6px 0 0}
.tutorial-section .tutorial-app-link{margin:24px 0 0}
.tutorial-video{margin:0}
.video-thumbnail{position:relative;display:block;overflow:hidden;border-radius:3px;background:var(--forest-dark)}
.video-thumbnail img{display:block;width:100%;height:auto}
.video-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;width:68px;height:68px;border:2px solid #fff;border-radius:50%;background:var(--forest-dark);color:#fff}
.video-play svg{width:28px;height:28px;fill:currentColor}
.video-thumbnail:hover .video-play,.video-thumbnail:focus-visible .video-play{background:var(--forest-mid)}
.tutorial-section .tutorial-video-link{margin:16px 0}
.contact-columns{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.contact-columns h2{font-size:26px;margin:0 0 25px}
.contact-columns .button-row{margin-top:30px}

@media(max-width:850px){
  .home-content{grid-template-columns:minmax(0,1fr) 200px;gap:28px;padding:28px 20px}
  .nav-links{gap:14px;font-size:14px}
}
@media(max-width:760px){
  .nav-shell{height:66px}
  .brand{font-size:26px}
  .menu-toggle{display:block}
  .nav-links{display:none;position:absolute;z-index:60;top:100%;left:0;right:0;height:auto;max-height:calc(100dvh - 66px);overflow-y:auto;align-items:stretch;flex-direction:column;gap:0;padding:8px 20px 15px;background:var(--forest-dark);border-top:1px solid var(--sage);box-shadow:0 8px 14px #193e3230}
  .nav-links.is-open{display:flex}
  .nav-links>a{padding:12px 8px}
  .site-hero{height:180px}
  .site-hero img{object-position:center 25%}
}
@media(max-width:650px){
  .shell{width:calc(100% - 32px)}
  .btn{min-width:0;padding:10px 18px}
  .home-content{grid-template-columns:minmax(0,1fr);padding:28px 14px;gap:24px}
  .home-text h1{font-size:25px}
  .article-page .app-entry{grid-template-columns:minmax(0,1fr);gap:20px}
  .app-entry img{width:min(240px,100%);height:170px}
  .article-page .app-catalogue{gap:40px}
  .article-page{padding:40px 14px 70px;overflow-wrap:anywhere}
  .article-page h1{font-size:31px;margin-bottom:45px}
  .heightczech-page h1{margin-bottom:14px}
  .download-buttons{grid-template-columns:minmax(0,1fr)}
  .screenshot-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 14px}
  .tutorial-section .tutorial-steps{grid-template-columns:minmax(0,1fr)}
  .video-play{width:56px;height:56px}
  .article-narrow>*{max-width:100%}
  .contact-columns{grid-template-columns:minmax(0,1fr);gap:25px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}