:root {
  --bg: #0E1117;
  --surface: #1A2230;
  --surface-2: #222C3D;
  --border: #2C3850;
  --text: #F5F7FA;
  --muted: #A6B0BE;
  --accent: #4ADE80;
  --accent-dim: #2bb866;
  --gold: #F5C451;
  --danger: #FF6B6B;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(900px 500px at 80% -5%, rgba(74,222,128,.10), transparent 60%);
}

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3, .logo, .result-big, .mini-val {
  font-family: "Space Grotesk", "Inter", sans-serif;
  letter-spacing: -.01em;
}

/* HEADER */
.site-header { border-bottom: 1px solid var(--border); position: sticky; top: 0; background: rgba(14,17,23,.85); backdrop-filter: blur(8px); z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 1.4rem; font-weight: 700; color: var(--text); text-decoration: none; }
.logo-dot { color: var(--accent); }

/* NAV – skupiny + dropdowny */
.header-nav { display: flex; gap: 4px; align-items: center; }
.nav-link {
  font-size: .9rem; color: var(--muted); text-decoration: none; font-weight: 500;
  padding: 7px 14px; border-radius: 999px; border: 1px solid transparent; transition: all .15s; white-space: nowrap;
}
.nav-link:hover { color: var(--text); background: var(--surface); }
.nav-link.active { color: var(--accent); border-color: var(--accent-dim); background: rgba(74,222,128,.08); }

.nav-group { position: relative; }
.nav-group-btn {
  font-family: inherit; font-size: .9rem; font-weight: 500; color: var(--muted);
  background: transparent; border: 1px solid transparent; padding: 7px 14px; border-radius: 999px;
  cursor: pointer; display: flex; align-items: center; gap: 5px; white-space: nowrap; transition: all .15s;
}
.nav-group-btn::after { content: "▾"; font-size: .7em; opacity: .7; }
.nav-group-btn:hover { color: var(--text); background: var(--surface); }
.nav-group.group-active > .nav-group-btn { color: var(--accent); border-color: var(--accent-dim); background: rgba(74,222,128,.08); }

.nav-dropdown {
  position: absolute; top: 100%; left: 0; min-width: 200px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 10px 6px 6px; /* horní padding tvoří vizuální odstup bez "mrtvé zóny" */
  display: none; flex-direction: column; gap: 2px; box-shadow: var(--shadow); z-index: 20;
}
.nav-group:hover .nav-dropdown,
.nav-group:focus-within .nav-dropdown,
.nav-group.open .nav-dropdown { display: flex; }
.nav-dropdown .nav-link { display: block; border-radius: 8px; padding: 8px 12px; }

/* Hamburger */
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; padding: 0 9px; background: transparent;
  border: 1px solid var(--border); border-radius: 10px; cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s, opacity .2s; }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .header-nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px; padding: 10px;
    background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
    max-height: calc(100vh - 64px); overflow-y: auto;
  }
  .site-header.nav-open .header-nav { display: flex; }
  .site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-group { position: static; }
  .nav-group-btn { width: 100%; cursor: default; color: var(--accent); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; padding: 12px 12px 4px; }
  .nav-group-btn::after { display: none; }
  .nav-dropdown { position: static; display: flex; box-shadow: none; border: 0; background: transparent; padding: 0 0 6px 8px; min-width: 0; }
  .nav-link { padding: 9px 12px; }
}

/* HERO */
.hero { padding: 56px 0 28px; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.1; max-width: 16ch; }
.hero-sub { color: var(--muted); font-size: 1.1rem; max-width: 56ch; margin-top: 16px; }
.hero-sub strong { color: var(--text); }

/* CALC LAYOUT */
.calc { padding: 24px 0 64px; }
.calc-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; align-items: start; }
@media (max-width: 880px) { .calc-grid { grid-template-columns: 1fr; } }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.card-title { font-size: 1.15rem; margin-bottom: 6px; }

fieldset { border: 0; margin-top: 18px; }
legend { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); font-weight: 600; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); width: 100%; }

.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: .9rem; color: var(--text); margin-bottom: 6px; }
.field small { color: var(--muted); font-weight: 400; }

.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap i { position: absolute; right: 12px; font-style: normal; color: var(--muted); font-size: .85rem; pointer-events: none; }

input[type="number"], input[type="email"], input[type="tel"], input[type="text"], input[type="date"] {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 11px 44px 11px 12px; border-radius: 10px; font-size: 1rem; font-family: inherit;
  transition: border-color .15s, box-shadow .15s; color-scheme: dark;
}
input[type="email"], input[type="tel"], input[type="date"], .leadForm input[type="text"], .watchForm input[type="text"] { padding-right: 12px; }
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(74,222,128,.15); }

/* select */
.input-wrap.select::after { content: "▾"; position: absolute; right: 14px; color: var(--muted); pointer-events: none; }
select {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 11px 36px 11px 12px; border-radius: 10px; font-size: .95rem; font-family: inherit;
  appearance: none; -webkit-appearance: none; cursor: pointer;
}
select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(74,222,128,.15); }
.panel.hidden { display: none; }

/* RESULTS */
.results-col { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 84px; }
@media (max-width: 880px) { .results-col { position: static; } }

.result-hero { background: linear-gradient(160deg, var(--surface-2), var(--surface)); border-color: var(--accent-dim); text-align: center; padding: 26px 22px; }
.result-label { color: var(--muted); font-size: .9rem; }
.result-big { font-size: clamp(2.2rem, 6vw, 3rem); font-weight: 700; margin: 6px 0; color: var(--accent); }
.result-big.negative { color: var(--danger); }
.result-note { color: var(--muted); font-size: .95rem; }

.result-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mini { text-align: center; padding: 18px; }
.mini-label { color: var(--muted); font-size: .82rem; }
.mini-val { font-size: 1.7rem; font-weight: 700; color: var(--gold); margin: 4px 0; }
.mini-sub { color: var(--muted); font-size: .75rem; }

.breakdown h3 { font-size: 1rem; margin-bottom: 10px; }
.bd-list { list-style: none; }
.bd-list li { display: flex; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--border); font-size: .92rem; }
.bd-list li:last-child { border-bottom: 0; }
.bd-list span { color: var(--muted); }
.bd-list b { font-variant-numeric: tabular-nums; }
.disclaimer { color: var(--muted); font-size: .76rem; margin-top: 12px; line-height: 1.4; }

/* GATE */
.gate { border-color: var(--accent-dim); background: linear-gradient(160deg, rgba(74,222,128,.06), var(--surface)); }
.gate h3 { font-size: 1.15rem; }
.gate-sub { color: var(--muted); font-size: .92rem; margin: 6px 0 16px; }
.gate-sub strong { color: var(--text); }

.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--muted); margin: 10px 0; }
.checkbox input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--accent); flex-shrink: 0; }
.checkbox a { color: var(--accent); }

.btn-primary {
  width: 100%; margin-top: 14px; background: var(--accent); color: #08210f; border: 0;
  padding: 13px 18px; border-radius: 10px; font-size: 1rem; font-weight: 700; font-family: "Space Grotesk", sans-serif;
  cursor: pointer; transition: transform .08s, background .15s;
}
.btn-primary:hover { background: #5af18c; }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }

.btn-secondary {
  display: inline-block; background: transparent; color: var(--accent); border: 1px solid var(--accent-dim);
  padding: 11px 16px; border-radius: 10px; font-size: .95rem; font-weight: 600; font-family: "Space Grotesk", sans-serif;
  cursor: pointer; transition: background .15s; margin-top: 10px;
}
.btn-secondary:hover { background: rgba(74,222,128,.08); }
.an-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.an-actions .btn-primary, .an-actions .btn-secondary { width: auto; flex: 1; min-width: 160px; margin-top: 0; }

.form-msg { font-size: .85rem; margin-top: 10px; min-height: 1.1em; }
.form-msg.error { color: var(--danger); }
.form-msg.ok { color: var(--accent); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.success { border-color: var(--accent); text-align: center; }
.success h3 { color: var(--accent); }
.hidden { display: none; }

/* SDÍLENÝ GATE */
.gate-section { padding: 8px 0 16px; }
.gate-section .gate, .gate-section .success { max-width: 720px; margin: 0 auto; }
.gate-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .gate-fields { grid-template-columns: 1fr; } }

/* STRESS TABULKA */
#stressTable { overflow-x: auto; }
.stress-tbl { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 360px; }
.stress-tbl th { text-align: right; color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; padding: 6px 8px; border-bottom: 1px solid var(--border); }
.stress-tbl th:first-child { text-align: left; }
.stress-tbl td { text-align: right; padding: 9px 8px; border-bottom: 1px dashed var(--border); font-variant-numeric: tabular-nums; }
.stress-tbl td:first-child { text-align: left; color: var(--muted); }
.stress-tbl tr.now td { color: var(--text); font-weight: 600; }
.stress-tbl tr:last-child td { border-bottom: 0; }
.stress-tbl td.pos { color: var(--accent); }
.stress-tbl td.neg { color: var(--danger); }

/* DAŇOVÁ KALKULAČKA */
.bd-list li.bd-sub { display: block; color: var(--accent); font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; padding: 12px 0 4px; border-bottom: 0; }
.deprec-scroll { max-height: 320px; overflow-y: auto; overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
.deprec-tbl { width: 100%; border-collapse: collapse; font-size: .85rem; min-width: 440px; }
.deprec-tbl th { position: sticky; top: 0; background: var(--surface-2); text-align: right; color: var(--muted); font-weight: 600; font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; padding: 8px 10px; }
.deprec-tbl th:first-child { text-align: left; }
.deprec-tbl td { text-align: right; padding: 7px 10px; border-bottom: 1px dashed var(--border); font-variant-numeric: tabular-nums; }
.deprec-tbl td:first-child { text-align: left; color: var(--muted); }
.deprec-tbl tr:last-child td { border-bottom: 0; }
.deprec-scroll::-webkit-scrollbar { width: 8px; }
.deprec-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }

/* GRAFY */
.chart-card h3 { font-size: 1rem; margin-bottom: 12px; }
.chart-wrap { position: relative; height: 250px; width: 100%; }

/* CTA BANNER */
.cta-band {
  background: linear-gradient(135deg, rgba(74,222,128,.13), rgba(245,196,81,.08));
  border-top: 1px solid var(--accent-dim); border-bottom: 1px solid var(--border);
  padding: 44px 0; margin-top: 44px;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cta-text { max-width: 640px; }
.cta-text h2 { font-size: clamp(1.3rem, 3vw, 1.95rem); color: var(--text); line-height: 1.15; }
.cta-text p { color: var(--muted); margin-top: 10px; font-size: 1rem; }
.btn-cta {
  background: var(--accent); color: #08210f; border: 0; padding: 16px 28px; border-radius: 12px;
  font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.05rem; cursor: pointer;
  white-space: nowrap; box-shadow: 0 8px 24px rgba(74,222,128,.22); transition: transform .08s, background .15s;
}
.btn-cta:hover { background: #5af18c; }
.btn-cta:active { transform: translateY(1px); }
@media (max-width: 680px) { .cta-inner { flex-direction: column; align-items: stretch; } .btn-cta { width: 100%; } }
.cta-text .btn-cta { margin-top: 18px; }

/* KARTA SPECIALISTY (Daniel) */
.specialist-card {
  flex-shrink: 0; width: 250px; text-align: center;
  background: var(--surface); border: 1px solid var(--accent-dim); border-radius: var(--radius);
  padding: 22px 20px; box-shadow: var(--shadow);
}
.specialist-photo {
  width: 92px; height: 92px; border-radius: 50%; object-fit: cover; margin: 0 auto 12px;
  border: 2px solid var(--accent); display: block; background: var(--surface-2);
}
.specialist-photo--fallback {
  align-items: center; justify-content: center; font-family: "Space Grotesk", sans-serif;
  font-size: 1.8rem; font-weight: 700; color: var(--accent);
}
.specialist-label { color: var(--muted); font-size: .82rem; line-height: 1.35; margin-bottom: 10px; }
.specialist-name { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.1rem; color: var(--text); }
.specialist-phone {
  display: inline-block; margin-top: 6px; color: var(--accent); font-weight: 700; font-size: 1.15rem;
  text-decoration: none; font-variant-numeric: tabular-nums;
}
.specialist-phone:hover { text-decoration: underline; }
@media (max-width: 680px) { .specialist-card { width: 100%; } }

/* ===== VYLEPŠENÍ DESIGNU ===== */

/* 1) Ikonky v menu */
.nav-ic { width: 16px; height: 16px; flex: 0 0 auto; margin-right: 8px; vertical-align: -3px; opacity: .85; }
.logo { display: inline-flex; align-items: center; }
.logo-mark { width: 24px; height: 24px; margin-right: 7px; }
.nav-dropdown .nav-link { display: flex; align-items: center; }
.header-nav > .nav-link { display: inline-flex; align-items: center; }

/* 2) Slidery k číselným polím */
.range {
  -webkit-appearance: none; appearance: none; width: 100%; height: 4px; margin-top: 12px;
  background: var(--border); border-radius: 4px; outline: none; cursor: pointer;
}
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 3px solid var(--bg); cursor: pointer; box-shadow: 0 0 0 1px var(--accent-dim); }
.range::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--accent); border: 3px solid var(--bg); cursor: pointer; }

/* 3) Pulz/animace velkého výsledku */
@keyframes pop { 0% { transform: scale(1); } 45% { transform: scale(1.045); } 100% { transform: scale(1); } }
.result-big.pop { animation: pop .35s ease; }

/* 4) Trust badge v gate */
.gate-trust { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.gate-trust img, .gate-trust .gt-fallback { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid var(--accent); flex: 0 0 auto; }
.gate-trust .gt-fallback { display: flex; align-items: center; justify-content: center; background: var(--surface-2); color: var(--accent); font-weight: 700; font-family: "Space Grotesk", sans-serif; }
.gate-trust-txt b { display: block; color: var(--text); font-size: .92rem; }
.gate-trust-txt span { color: var(--muted); font-size: .8rem; }

/* 5) Tooltip i na dotyk */
.tip.open::after { opacity: 1; visibility: visible; }

/* 7) Focus stavy (přístupnost) */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, .tip:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px;
}

/* TOOLTIP (nápověda u polí) */
.tip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 50%; background: var(--surface-2); color: var(--muted);
  font-size: .7rem; font-weight: 700; cursor: help; position: relative; vertical-align: middle;
  border: 1px solid var(--border); margin-left: 2px;
}
.tip:hover { color: var(--text); border-color: var(--accent-dim); }
.tip::after {
  content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  width: 230px; max-width: 70vw; background: #0a0e15; color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: .78rem; font-weight: 400; line-height: 1.4;
  text-align: left; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transition: opacity .15s; z-index: 30; pointer-events: none;
}
.tip:hover::after { opacity: 1; visibility: visible; }

/* NÁVOD "Jak to funguje" */
.guide { max-width: 1100px; padding: 8px 20px 0; }
.guide details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.guide summary {
  cursor: pointer; padding: 16px 20px; font-family: "Space Grotesk", sans-serif; font-weight: 600;
  color: var(--text); list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.guide summary::-webkit-details-marker { display: none; }
.guide summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; font-weight: 400; line-height: 1; }
.guide details[open] summary::after { content: "−"; }
.guide summary:hover { color: var(--accent); }
.guide-body { padding: 0 20px 18px; }
.guide-body p { color: var(--muted); font-size: .92rem; margin-bottom: 10px; }
.guide-body p:last-child { margin-bottom: 0; }
.guide-body strong { color: var(--text); }

/* BLOG ROZCESTNÍK */
.blog-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; padding: 24px 20px 0; }
.blog-card { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; text-decoration: none; transition: border-color .15s, transform .08s; }
.blog-card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.blog-date { color: var(--muted); font-size: .8rem; margin-bottom: 8px; }
.blog-card h2 { font-size: 1.15rem; color: var(--text); line-height: 1.25; margin-bottom: 8px; font-family: "Space Grotesk", sans-serif; }
.blog-perex { color: var(--muted); font-size: .92rem; margin-bottom: 12px; }
.blog-more { color: var(--accent); font-weight: 600; font-size: .9rem; }
.blog-empty { color: var(--muted); padding: 24px 20px; }

/* ČLÁNEK */
.article { max-width: 760px; padding: 40px 20px 10px; }
.article h1 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); line-height: 1.15; margin: 6px 0 8px; }
.article-date { color: var(--muted); font-size: .85rem; margin-bottom: 20px; }
.article-lead { font-size: 1.15rem; color: var(--text); line-height: 1.6; margin-bottom: 20px; }
.article h2 { font-family: "Space Grotesk", sans-serif; font-size: 1.3rem; color: var(--text); margin: 28px 0 10px; }
.article p { color: var(--muted); line-height: 1.7; margin-bottom: 14px; }
.article strong { color: var(--text); }
.article a { color: var(--accent); }
.article-list { margin: 0 0 16px; padding-left: 22px; color: var(--muted); line-height: 1.7; }
.article-list li { margin-bottom: 6px; }
.article-list strong { color: var(--text); }
.article-disclaimer { font-size: .82rem; color: var(--muted); border-top: 1px solid var(--border); padding-top: 16px; margin-top: 24px; }

/* TRUST + FOOTER */
.trust { padding: 40px 20px 10px; max-width: 760px; }
.trust h2 { font-size: 1.1rem; margin-bottom: 10px; }
.trust p { color: var(--muted); font-size: .9rem; }
.site-footer { border-top: 1px solid var(--border); margin-top: 48px; padding: 30px 0; }
.site-footer p { color: var(--muted); font-size: .82rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; margin-bottom: 22px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: 18px; } }
.footer-brand .logo { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.2rem; color: var(--text); text-decoration: none; }
.footer-brand .logo .logo-dot { color: var(--accent); }
.footer-brand p { margin-top: 8px; max-width: 38ch; }
.footer-col h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin-bottom: 10px; }
.footer-col a { display: block; color: var(--muted); text-decoration: none; font-size: .88rem; padding: 4px 0; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 16px; }

/* Stránkování blogu */
.pager { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 28px; }
.pager-btn { color: var(--accent); text-decoration: none; font-weight: 600; font-size: .92rem; padding: 8px 14px; border: 1px solid var(--accent-dim); border-radius: 999px; }
.pager-btn:hover { background: rgba(74,222,128,.08); }
.pager-btn.disabled { color: var(--muted); border-color: var(--border); opacity: .5; pointer-events: none; }
.pager-info { color: var(--muted); font-size: .85rem; }