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

:root{
  /* Clinic Sage design system (design.md) */
  --primary:#1B3A2E;      /* headlines, core text */
  --secondary:#7A8F85;    /* borders, captions, metadata */
  --tertiary:#4E8B6A;     /* sole accent — interaction only */
  --neutral:#F4F7F4;      /* page foundation */
  --surface:#FFFFFF;
  --on-primary:#FFFFFF;

  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;

  --space-sm:8px;
  --space-md:16px;
  --space-lg:32px;

  --border:#E1E8E3;
  --text:var(--primary);
  --muted:var(--secondary);
  --bg:var(--neutral);
  --card:var(--surface);
  --radius:var(--radius-lg);
}
*{box-sizing:border-box}
body{margin:0;font-family:"DM Sans","Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
p{margin:0 0 24px}
p:last-child{margin-bottom:0}
a{color:var(--tertiary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
picture{display:contents}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* Header */
header.site{background:var(--surface);border-bottom:1px solid var(--border);color:var(--primary);position:sticky;top:0;z-index:50}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-size:22px;font-weight:700;color:var(--primary);letter-spacing:-0.01em}
.logo span{color:var(--tertiary)}
nav.main ul{list-style:none;display:flex;gap:26px;margin:0;padding:0}
nav.main a{color:var(--primary);font-weight:500;font-size:15px}
nav.main a:hover{color:var(--tertiary);text-decoration:none}
.cta-top{background:var(--tertiary);color:var(--on-primary);padding:12px 20px;border-radius:var(--radius-md);font-weight:500;font-size:14px}
.cta-top:hover{text-decoration:none;opacity:.92}

.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:32px;height:28px;cursor:pointer;background:none;border:none;padding:0;order:1;flex-shrink:0}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease}

/* Hero */
.hero{background:var(--primary);color:var(--on-primary);padding:64px 0 56px; margin-bottom: 30px}
.hero h1{font-family:"DM Sans";font-size:3.5rem;font-weight:500;letter-spacing:-0.02em;margin:0 0 14px;max-width:760px;line-height:1.1}
.hero.page-hero{padding:44px 0}
.hero.page-hero h1{font-size:2rem;line-height:1.2}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.85);max-width:640px;margin:0 0 26px}
.hero .badges{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}
.hero .badge{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);padding:8px 14px;border-radius:999px;font-size:13px}
.btn{display:inline-block;background:var(--tertiary);color:var(--on-primary);padding:12px 20px;border-radius:var(--radius-md);font-weight:500;font-size:15px;margin-bottom:10px}
.btn + .btn{margin-left:14px}
.btn:hover{opacity:.92;text-decoration:none}
.btn.outline{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff}

/* Sections */
section{padding:56px 0}
h2.section-title{font-family:"DM Sans";font-size:2rem;font-weight:500;margin:15px 0 8px;color:var(--primary)}
p.section-sub{color:var(--muted);margin:0 0 32px;max-width:680px}

/* Cards grid */
.grid{display:grid;gap:var(--space-md)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}}

.card{background:var(--surface);color:var(--primary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;position:relative}

.faq{max-width:800px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:4px 20px;margin-bottom:12px}
.faq-item summary{cursor:pointer;padding:16px 0;font-weight:500;color:var(--primary);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";float:right;color:var(--tertiary);font-weight:700}
.faq-item[open] summary::after{content:"–"}
.faq-item p{color:var(--muted);font-size:14px;margin:0 0 16px;line-height:1.6}
.card.featured{border:1px solid var(--tertiary);box-shadow:0 1px 3px rgba(27,58,46,.08)}
.ribbon{position:absolute;top:-11px;left:18px;background:var(--tertiary);color:var(--on-primary);font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.ribbon.amber{background:var(--secondary);color:var(--on-primary)}

/* Optic listing card */
.optic-card h3{margin:6px 0 4px;font-size:19px;color:var(--primary)}
.stars{color:var(--primary);font-size:15px;letter-spacing:2px}
.optic-meta{color:var(--muted);font-size:13px;margin:6px 0 12px}
.optic-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tag{background:var(--neutral);color:var(--primary);border:1px solid var(--border);font-size:12px;font-weight:500;padding:4px 9px;border-radius:var(--radius-sm)}

/* Rating bars */
.rating-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin-bottom:18px}
.rating-block h3{margin:0 0 14px;font-size:18px;color:var(--primary);display:flex;justify-content:space-between;align-items:center}
.rating-row{margin:10px 0}
.rating-row .label{display:flex;justify-content:space-between;font-size:14px;margin-bottom:5px;color:var(--muted)}
.bar-bg{background:var(--neutral);border-radius:999px;height:8px;overflow:hidden}
.bar-fill{height:100%;background:var(--tertiary);border-radius:999px}
.bar-fill.mid{background:var(--secondary)}

/* Comparison table */
table.compare{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}
table.compare th,table.compare td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--border);font-size:14px}
table.compare th{background:var(--primary);color:var(--on-primary);font-size:12px;font-weight:500;letter-spacing:.04em;text-transform:uppercase}
table.compare td:first-child,table.compare th:first-child{text-align:left;font-weight:500}
table.compare tr.highlight td{background:var(--neutral);font-weight:700}
.check{color:var(--tertiary);font-weight:700}
.cross{color:var(--secondary);font-weight:700}

/* Promo / akce */
.promo-card{background:var(--primary);color:var(--on-primary);border-radius:var(--radius-lg);padding:26px}
.promo-card .discount{font-size:34px;font-weight:700;color:var(--on-primary)}

/* Magazine */
.article-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.article-card .thumb{height:140px;background:var(--neutral);border-bottom:1px solid var(--border)}
.article-card .body{padding:18px}
.article-card .cat{color:var(--tertiary);font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.06em}
.article-card h3{font-size:17px;margin:8px 0;color:var(--primary)}
.article-card p{color:var(--muted);font-size:14px;margin:0 0 12px}

article.post{max-width:760px;margin:0 auto}
article.post h1{font-family:"DM Sans";font-size:2rem;font-weight:500;margin-bottom:6px;color:var(--primary)}
article.post .meta{color:var(--muted);font-size:14px;margin-bottom:28px}
article.post h2{font-size:22px;margin-top:36px;color:var(--primary);font-weight:500}
article.post p{font-size:16px}
.cta-box{background:var(--neutral);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;margin:30px 0}
.cta-box strong{color:var(--tertiary)}

/* Footer */
footer.site{background:var(--primary);color:rgba(255,255,255,.75);padding:44px 0 28px;margin-top:40px}
footer.site .grid{grid-template-columns:2fr 1fr 1fr 1fr}
footer.site h4{color:#fff;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin-bottom:8px;font-size:14px}
footer.site a{color:rgba(255,255,255,.75)}
.fine-print{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:12px;color:rgba(255,255,255,.55)}

@media(max-width:800px){
  header.site .container{position:relative;flex-wrap:nowrap;gap:10px}
  .nav-toggle{display:flex}
  .cta-top{order:2;margin-left:auto;white-space:nowrap;flex-shrink:0}
  nav.main{display:block;position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border);max-height:0;overflow:hidden;transition:max-height .25s ease}
  nav.main ul{flex-direction:column;gap:0;padding:8px 20px}
  nav.main li{border-bottom:1px solid var(--border)}
  nav.main li:last-child{border-bottom:none}
  nav.main a{display:block;padding:14px 0}
  header.site.nav-open nav.main{max-height:400px}
  header.site.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  header.site.nav-open .nav-toggle span:nth-child(2){opacity:0}
  header.site.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero h1{font-size:2.25rem}
  footer.site .grid{grid-template-columns:1fr 1fr}
}

@media(max-width:420px){
  header.site .container{gap:6px}
  .logo{font-size:18px}
  .cta-top{padding:8px 12px;font-size:12.5px}
}

@media(max-width:340px){
  .logo{font-size:16px}
  .nav-toggle{width:26px;height:22px;gap:4px}
  .cta-top{padding:6px 10px;font-size:11.5px}
}