/* ============================================================
   firma.html — stylesheet
   ============================================================ */
:root {
  --bg: #f7f6f3;
  --ink: #141210;
  --muted: #7a7671;
  --border: #e4e2dc;
  --blue: #1a6fb5;
  --blue-mid: #2a87d4;
  --blue-light: #deeef9;
  --blue-pale: #f0f7fd;
  --orange: #d95b22;
  --orange-light: #fdf0e8;
  --green: #1a7a4a;
  --green-light: #e2f4ec;
  --white: #ffffff;
  --serif: "Instrument Serif", serif;
  --sans: "Outfit", sans-serif;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(26,111,181,0.08);
  --shadow-lg: 0 12px 48px rgba(26,111,181,0.13);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-weight: 300; line-height: 1.65; overflow-x: hidden; }

@keyframes fadeUp { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes popIn { 0% { opacity:0; transform:scale(0.95); } 100% { opacity:1; transform:scale(1); } }
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-8px); } }
@keyframes pulse { 0%,100% { transform:scale(1); } 50% { transform:scale(1.05); } }

.fade-up { animation: fadeUp 0.65s ease both; }
.fade-up-1 { animation-delay:0.1s; }
.fade-up-2 { animation-delay:0.22s; }
.fade-up-3 { animation-delay:0.34s; }

/* NAV */
nav {
  position:sticky; top:0; z-index:200;
  display:flex; align-items:center; justify-content:space-between;
  padding:1rem 5vw;
  background:rgba(247,246,243,0.92); backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.nav-logo { display:flex; align-items:center; gap:0.6rem; text-decoration:none; color:var(--ink); }
.nav-logo-text { font-family:var(--serif); font-size:1.3rem; }
.nav-links { display:flex; align-items:center; gap:1.5rem; list-style:none; }
.nav-links a { color:var(--muted); text-decoration:none; font-size:0.875rem; transition:color 0.2s; }
.nav-links a:hover { color:var(--ink); }
.btn-primary { background:var(--blue); color:white; border:none; padding:0.55rem 1.25rem; border-radius:8px; cursor:pointer; font-family:var(--sans); font-size:0.875rem; font-weight:500; text-decoration:none; transition:background 0.2s, transform 0.15s, box-shadow 0.2s; box-shadow:0 2px 12px rgba(26,111,181,0.25); display:inline-block; }
.btn-primary:hover { background:var(--blue-mid); transform:translateY(-1px); box-shadow:0 4px 20px rgba(26,111,181,0.35); }
.btn-primary.large { padding:0.85rem 2rem; font-size:1rem; border-radius:10px; }
.btn-ghost { background:none; border:1.5px solid var(--border); color:var(--ink); padding:0.5rem 1.1rem; border-radius:8px; cursor:pointer; font-family:var(--sans); font-size:0.875rem; text-decoration:none; transition:border-color 0.2s, background 0.2s; }
.btn-ghost:hover { border-color:var(--blue); background:var(--blue-pale); }

/* HERO */
.hero {
  padding:5rem 5vw 4rem;
  display:grid; grid-template-columns:1fr 1fr;
  gap:4rem; align-items:center;
  position:relative; overflow:hidden;
  background:linear-gradient(135deg, var(--bg) 0%, var(--blue-pale) 100%);
}
.hero::before {
  content:""; position:absolute; top:-20%; right:-5%;
  width:50vw; height:80vh;
  background:radial-gradient(ellipse, rgba(26,111,181,0.1) 0%, transparent 70%);
  pointer-events:none;
}
.hero-content { position:relative; z-index:1; }
.hero-badge { display:inline-flex; align-items:center; gap:0.5rem; background:var(--blue-light); color:var(--blue); padding:0.35rem 0.9rem; border-radius:100px; font-size:0.78rem; font-weight:500; margin-bottom:1.5rem; }
.hero-badge-dot { width:6px; height:6px; background:var(--blue); border-radius:50%; animation:pulse 2s infinite; }
.hero h1 { font-family:var(--serif); font-size:clamp(2.4rem,4.5vw,3.5rem); line-height:1.15; letter-spacing:-0.02em; margin-bottom:1.25rem; }
.hero h1 em { font-style:italic; color:var(--blue); }
.hero-sub { color:var(--muted); font-size:1rem; max-width:460px; margin-bottom:2rem; line-height:1.75; }
.hero-actions { display:flex; align-items:center; gap:1rem; flex-wrap:wrap; margin-bottom:2.5rem; }
.hero-link { display:flex; align-items:center; gap:0.4rem; color:var(--ink); text-decoration:none; font-size:0.875rem; transition:gap 0.2s, color 0.2s; }
.hero-link:hover { gap:0.65rem; color:var(--blue); }

/* Hero ROI karta */
.hero-roi {
  position:relative; z-index:1;
  animation:fadeIn 0.8s 0.3s ease both;
}
.roi-card {
  background:var(--white); border-radius:20px; padding:2rem;
  box-shadow:var(--shadow-lg); border:1px solid var(--border);
  animation:float 5s ease-in-out infinite;
}
.roi-title { font-family:var(--serif); font-size:1.1rem; margin-bottom:1.5rem; }
.roi-row { display:flex; justify-content:space-between; align-items:center; padding:0.85rem 0; border-bottom:1px solid var(--border); font-size:0.875rem; }
.roi-row:last-of-type { border-bottom:none; }
.roi-label { color:var(--muted); }
.roi-val { font-weight:500; }
.roi-val.positive { color:var(--green); }
.roi-val.negative { color:var(--orange); }
.roi-total { margin-top:1rem; background:var(--blue-pale); border-radius:12px; padding:1rem; display:flex; justify-content:space-between; align-items:center; }
.roi-total-label { font-size:0.85rem; font-weight:500; }
.roi-total-val { font-family:var(--serif); font-size:1.4rem; color:var(--blue); }
.roi-mini { position:absolute; background:var(--white); border-radius:14px; padding:0.85rem 1rem; box-shadow:var(--shadow); border:1px solid var(--border); }
.roi-mini-tl { top:-1.5rem; left:-2rem; animation:float 4s 1s ease-in-out infinite; }
.roi-mini-br { bottom:-1.5rem; right:-1.5rem; animation:float 4.5s 0.5s ease-in-out infinite; }
.mini-label { font-size:0.68rem; color:var(--muted); margin-bottom:0.2rem; }
.mini-val { font-family:var(--serif); font-size:1.2rem; color:var(--blue); }

/* SHARED */
section { padding:5rem 5vw; }
.section-label { display:inline-block; color:var(--blue); font-size:0.75rem; font-weight:500; letter-spacing:0.12em; text-transform:uppercase; margin-bottom:0.75rem; }
.section-title { font-family:var(--serif); font-size:clamp(1.8rem,3.5vw,2.8rem); line-height:1.2; letter-spacing:-0.02em; margin-bottom:1rem; }
.section-sub { color:var(--muted); font-size:0.95rem; max-width:520px; line-height:1.75; }
.centered { text-align:center; }
.centered .section-title, .centered .section-sub { margin-left:auto; margin-right:auto; }

/* VÝHODY */
.vyhody { background:var(--white); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.vyhody-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; margin-top:3rem; }
.vyhoda-card { padding:2rem; border-radius:var(--radius); border:1px solid var(--border); background:var(--bg); transition:transform 0.25s, box-shadow 0.25s, border-color 0.25s; }
.vyhoda-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:var(--blue-light); }
.vyhoda-card.highlight { background:var(--blue); border-color:var(--blue); color:white; }
.vyhoda-icon { font-size:1.75rem; margin-bottom:1rem; }
.vyhoda-card h3 { font-family:var(--serif); font-size:1.15rem; margin-bottom:0.5rem; }
.vyhoda-card p { font-size:0.85rem; line-height:1.7; }
.vyhoda-card:not(.highlight) p { color:var(--muted); }
.vyhoda-card.highlight p { color:rgba(255,255,255,0.8); }

/* JAK TO FUNGUJE */
.jak { background:var(--bg); }
.jak-inner { display:grid; grid-template-columns:1fr 1fr; gap:5rem; align-items:start; }
.steps { display:flex; flex-direction:column; margin-top:2rem; }
.step { display:flex; gap:1.25rem; padding:1.75rem 0; border-bottom:1px solid var(--border); }
.step:last-child { border-bottom:none; }
.step-num { flex-shrink:0; width:40px; height:40px; border-radius:50%; background:var(--blue-light); display:flex; align-items:center; justify-content:center; font-family:var(--serif); font-size:1.1rem; color:var(--blue); }
.step h4 { font-weight:500; font-size:0.95rem; margin-bottom:0.35rem; }
.step p { font-size:0.85rem; color:var(--muted); line-height:1.65; }

/* Implementace visual */
.impl-visual { position:sticky; top:6rem; }
.impl-card { background:var(--white); border-radius:20px; border:1px solid var(--border); padding:1.75rem; box-shadow:var(--shadow); margin-bottom:1rem; }
.impl-card h4 { font-weight:500; font-size:0.9rem; margin-bottom:1rem; display:flex; align-items:center; gap:0.5rem; }
.impl-step-row { display:flex; align-items:center; gap:0.75rem; padding:0.6rem 0; font-size:0.82rem; }
.impl-step-dot { width:24px; height:24px; border-radius:50%; background:var(--blue-light); color:var(--blue); display:flex; align-items:center; justify-content:center; font-size:0.7rem; font-weight:600; flex-shrink:0; }
.impl-step-dot.done { background:var(--blue); color:white; }
.impl-timeline { background:var(--blue-pale); border-radius:12px; padding:1rem 1.25rem; font-size:0.82rem; }
.impl-timeline-row { display:flex; justify-content:space-between; padding:0.4rem 0; border-bottom:1px solid var(--border); }
.impl-timeline-row:last-child { border-bottom:none; }
.impl-timeline-label { color:var(--muted); }
.impl-timeline-val { font-weight:500; color:var(--blue); }

/* CENÍK */
.cenik { background:var(--white); border-top:1px solid var(--border); }
.cenik-pasma { display:grid; grid-template-columns:repeat(4,1fr); gap:1.25rem; margin-top:3rem; }
.pasmo-card {
  border-radius:var(--radius); border:1.5px solid var(--border);
  padding:1.75rem 1.5rem; background:var(--bg);
  transition:transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  position:relative;
}
.pasmo-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:var(--blue); }
.pasmo-card.featured { border-color:var(--blue); background:var(--white); box-shadow:var(--shadow); }
.pasmo-badge { position:absolute; top:-0.7rem; left:50%; transform:translateX(-50%); background:var(--orange); color:white; font-size:0.7rem; font-weight:600; padding:0.2rem 0.75rem; border-radius:100px; white-space:nowrap; }
.pasmo-label { font-size:0.75rem; font-weight:500; color:var(--muted); letter-spacing:0.08em; text-transform:uppercase; margin-bottom:0.5rem; }
.pasmo-zam { font-family:var(--serif); font-size:1.1rem; margin-bottom:0.75rem; }
.pasmo-price { display:flex; align-items:baseline; gap:0.3rem; margin-bottom:0.25rem; }
.pasmo-amount { font-family:var(--serif); font-size:2.2rem; color:var(--blue); line-height:1; }
.pasmo-per { font-size:0.78rem; color:var(--muted); }
.pasmo-save { font-size:0.72rem; color:var(--green); font-weight:500; margin-bottom:1.25rem; }
.pasmo-example { font-size:0.78rem; color:var(--muted); background:var(--bg); border-radius:8px; padding:0.5rem 0.75rem; margin-bottom:1.25rem; line-height:1.55; border:1px solid var(--border); }
.pasmo-btn { display:block; width:100%; text-align:center; padding:0.7rem; border-radius:10px; font-family:var(--sans); font-size:0.875rem; font-weight:500; text-decoration:none; cursor:pointer; border:none; transition:background 0.2s, transform 0.15s; }
.pasmo-btn.primary { background:var(--blue); color:white; box-shadow:0 2px 12px rgba(26,111,181,0.25); }
.pasmo-btn.primary:hover { background:var(--blue-mid); transform:translateY(-1px); }
.pasmo-btn.outline { background:transparent; border:1.5px solid var(--border); color:var(--ink); }
.pasmo-btn.outline:hover { border-color:var(--blue); background:var(--blue-pale); }
.cenik-note { text-align:center; font-size:0.78rem; color:var(--muted); margin-top:1.5rem; line-height:1.7; }

/* KALKULAČKA */
.kalk { background:var(--blue-pale); border-top:1px solid var(--blue-light); border-bottom:1px solid var(--blue-light); padding:4rem 5vw; }
.kalk-inner { max-width:640px; margin:0 auto; text-align:center; }
.kalk-inner h2 { font-family:var(--serif); font-size:2rem; margin-bottom:0.5rem; }
.kalk-inner p { color:var(--muted); font-size:0.9rem; margin-bottom:2rem; }
.kalk-slider-wrap { display:flex; align-items:center; gap:1rem; margin-bottom:1.5rem; }
.kalk-slider-wrap label { font-size:0.85rem; color:var(--muted); white-space:nowrap; }
input[type=range] { flex:1; accent-color:var(--blue); height:6px; cursor:pointer; }
.kalk-count { font-family:var(--serif); font-size:1.4rem; color:var(--blue); min-width:3rem; text-align:right; }
.kalk-result {
  background:var(--white); border-radius:16px; padding:1.5rem 2rem;
  border:1px solid var(--border); display:flex; justify-content:space-between;
  align-items:center; flex-wrap:wrap; gap:1rem;
  box-shadow:var(--shadow);
}
.kalk-result-item { text-align:center; }
.kalk-result-num { font-family:var(--serif); font-size:1.6rem; color:var(--blue); line-height:1; }
.kalk-result-label { font-size:0.72rem; color:var(--muted); margin-top:0.25rem; }
.kalk-cta { margin-top:1.5rem; }

/* KONTAKTNÍ FORMULÁŘ */
.kontakt { background:var(--white); border-top:1px solid var(--border); }
.kontakt-inner { display:grid; grid-template-columns:1fr 1fr; gap:4rem; align-items:start; }
.kontakt-info h2 { font-family:var(--serif); font-size:2rem; margin-bottom:1rem; line-height:1.25; }
.kontakt-info p { color:var(--muted); font-size:0.9rem; line-height:1.75; margin-bottom:1.5rem; }
.kontakt-detail { display:flex; align-items:center; gap:0.75rem; font-size:0.875rem; margin-bottom:0.75rem; color:var(--muted); }
.kontakt-detail a { color:var(--blue); text-decoration:none; }
.kontakt-detail a:hover { text-decoration:underline; }
.kontakt-form { background:var(--bg); border-radius:20px; padding:2rem; border:1px solid var(--border); }
.form-group { display:flex; flex-direction:column; gap:0.3rem; margin-bottom:1rem; }
.form-group label { font-size:0.8rem; font-weight:500; }
.form-group input, .form-group select, .form-group textarea {
  border:1.5px solid var(--border); border-radius:8px; padding:0.65rem 0.9rem;
  font-family:var(--sans); font-size:0.875rem; color:var(--ink);
  background:var(--white); outline:none;
  transition:border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color:var(--blue); box-shadow:0 0 0 3px rgba(26,111,181,0.1);
}
.form-group textarea { resize:vertical; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:0.75rem; }
.form-consent { display:flex; align-items:flex-start; gap:0.6rem; font-size:0.78rem; color:var(--muted); margin-bottom:1.25rem; line-height:1.55; }
.form-consent input { width:auto; flex-shrink:0; margin-top:2px; }
.form-consent a { color:var(--blue); }
.form-submit { width:100%; padding:0.85rem; background:var(--blue); color:white; border:none; border-radius:10px; font-family:var(--sans); font-size:1rem; font-weight:500; cursor:pointer; transition:background 0.2s, transform 0.15s, box-shadow 0.2s; box-shadow:0 3px 16px rgba(26,111,181,0.25); }
.form-submit:hover { background:var(--blue-mid); transform:translateY(-1px); box-shadow:0 6px 24px rgba(26,111,181,0.35); }
.form-submit:disabled { background:var(--muted); cursor:not-allowed; transform:none; box-shadow:none; }
.form-success { display:none; text-align:center; padding:2rem 0; }
.form-success-icon { font-size:3rem; margin-bottom:1rem; }
.form-success h3 { font-family:var(--serif); font-size:1.5rem; margin-bottom:0.75rem; }
.form-success p { color:var(--muted); font-size:0.9rem; line-height:1.7; }

/* FAQ */
.faq-section { background:var(--bg); border-top:1px solid var(--border); }
.faq-list { max-width:680px; margin:2.5rem auto 0; }
.faq-item { border-top:1px solid var(--border); }
.faq-item:last-child { border-bottom:1px solid var(--border); }
.faq-q { width:100%; background:none; border:none; text-align:left; padding:1.1rem 0; display:flex; justify-content:space-between; align-items:center; font-family:var(--sans); font-size:0.9rem; font-weight:500; color:var(--ink); cursor:pointer; transition:color 0.2s; }
.faq-q:hover { color:var(--blue); }
.faq-q span { color:var(--muted); font-size:1.1rem; transition:transform 0.3s; }
.faq-q.open span { transform:rotate(45deg); color:var(--blue); }
.faq-a { font-size:0.85rem; color:var(--muted); line-height:1.75; padding-bottom:1.1rem; display:none; }
.faq-a.open { display:block; animation:fadeUp 0.3s ease both; }

/* CTA BAND */
.cta-band { background:var(--blue); padding:5rem 5vw; text-align:center; position:relative; overflow:hidden; }
.cta-band::before { content:""; position:absolute; top:-50%; left:50%; transform:translateX(-50%); width:80vw; height:200%; background:radial-gradient(ellipse,rgba(255,255,255,0.07) 0%,transparent 60%); pointer-events:none; }
.cta-band h2 { font-family:var(--serif); font-size:clamp(1.8rem,3.5vw,3rem); color:white; margin-bottom:0.75rem; position:relative; }
.cta-band p { color:rgba(255,255,255,0.75); max-width:480px; margin:0 auto 2rem; font-size:0.95rem; line-height:1.7; position:relative; }
.cta-band-actions { display:flex; align-items:center; justify-content:center; gap:1rem; flex-wrap:wrap; position:relative; }
.btn-white { background:white; color:var(--blue); border:none; padding:0.85rem 2rem; border-radius:10px; cursor:pointer; font-family:var(--sans); font-size:1rem; font-weight:500; text-decoration:none; transition:transform 0.15s, box-shadow 0.2s; box-shadow:0 4px 20px rgba(0,0,0,0.12); display:inline-block; }
.btn-white:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(0,0,0,0.18); }
.btn-white-outline { background:transparent; color:white; border:1.5px solid rgba(255,255,255,0.45); padding:0.85rem 2rem; border-radius:10px; text-decoration:none; font-family:var(--sans); font-size:0.95rem; transition:border-color 0.2s, background 0.2s; display:inline-block; }
.btn-white-outline:hover { border-color:white; background:rgba(255,255,255,0.08); }

/* FOOTER */
footer { background:var(--ink); color:rgba(255,255,255,0.55); padding:3rem 5vw 2rem; text-align:center; font-size:0.8rem; }
footer a { color:rgba(255,255,255,0.55); text-decoration:none; transition:color 0.2s; }
footer a:hover { color:white; }
.footer-links { display:flex; justify-content:center; gap:2rem; flex-wrap:wrap; margin-bottom:1.5rem; }
.footer-copy { color:rgba(255,255,255,0.3); }

/* RESPONSIVE */
@media (max-width:900px) {
  .hero { grid-template-columns:1fr; }
  .hero-roi { display:none; }
  .jak-inner { grid-template-columns:1fr; }
  .impl-visual { display:none; }
  .vyhody-grid { grid-template-columns:1fr 1fr; }
  .cenik-pasma { grid-template-columns:1fr 1fr; }
  .kontakt-inner { grid-template-columns:1fr; }
  nav .nav-links { display:none; }
}
@media (max-width:600px) {
  .vyhody-grid { grid-template-columns:1fr; }
  .cenik-pasma { grid-template-columns:1fr; }
  .form-row { grid-template-columns:1fr; }
  .kalk-result { flex-direction:column; }
  .cta-band-actions { flex-direction:column; }
}

/* ══ MODAL ══ */
#order-modal {
  position: fixed; inset: 0; z-index: 9000;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal-overlay {
  position: absolute; inset: 0;
  background: rgba(20,18,16,0.55);
  backdrop-filter: blur(4px);
}
.modal-box {
  position: relative; z-index: 1;
  background: var(--white);
  border-radius: 20px;
  padding: 2rem;
  width: 100%; max-width: 560px;
  max-height: 92vh; overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0,0,0,0.2);
  animation: popIn 0.3s ease both;
}
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--bg); border: none;
  width: 32px; height: 32px; border-radius: 50%;
  font-size: 0.85rem; cursor: pointer; color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.modal-close:hover { background: var(--border); color: var(--ink); }

.modal-plan-badge {
  display: flex; align-items: center; gap: 0.85rem;
  background: var(--blue-pale);
  border: 1.5px solid var(--blue-light);
  border-radius: 12px; padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
}
.modal-plan-badge > span { font-size: 1.5rem; }
.modal-plan-label { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.modal-plan-name { font-family: var(--serif); font-size: 1.1rem; color: var(--blue); }
.modal-plan-price {
  margin-left: auto; font-family: var(--serif);
  font-size: 1.2rem; color: var(--blue); white-space: nowrap;
}
.modal-plan-price span { font-family: var(--sans); font-size: 0.7rem; color: var(--muted); }

.modal-title { font-family: var(--serif); font-size: 1.5rem; margin-bottom: 0.35rem; }
.modal-sub { font-size: 0.85rem; color: var(--muted); line-height: 1.6; margin-bottom: 1.5rem; }

/* Form */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.form-group { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 0.85rem; }
.form-group label { font-size: 0.8rem; font-weight: 500; color: var(--ink); }
.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--border);
  border-radius: 8px; padding: 0.6rem 0.85rem;
  font-family: var(--sans); font-size: 0.875rem;
  color: var(--ink); background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none; width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,111,181,0.1);
  background: var(--white);
}
.form-group textarea { resize: vertical; }

.form-consent {
  display: flex; align-items: flex-start; gap: 0.6rem;
  font-size: 0.78rem; color: var(--muted);
  margin-bottom: 1.25rem; line-height: 1.55;
}
.form-consent input { width: auto; flex-shrink: 0; margin-top: 2px; }
.form-consent a { color: var(--blue); }

.modal-submit {
  width: 100%; padding: 0.85rem;
  background: var(--blue); color: white; border: none;
  border-radius: 10px; font-family: var(--sans);
  font-size: 1rem; font-weight: 500; cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 3px 16px rgba(26,111,181,0.25);
}
.modal-submit:hover { background: var(--blue-mid); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(26,111,181,0.35); }
.modal-submit:disabled { background: var(--muted); cursor: not-allowed; transform: none; box-shadow: none; }

@media (max-width: 500px) {
  .form-row { grid-template-columns: 1fr; }
  .modal-box { padding: 1.5rem 1.25rem; }
}


/* ============================================================
   MOBILNÍ NAVIGACE (hamburger) — viz mobile-nav.js
   ============================================================ */
.nav-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  width: 42px; height: 42px;
  padding: 0; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; flex-shrink: 0;
  transition: border-color 0.2s, background 0.2s;
}
.nav-toggle:hover { border-color: var(--blue); }
.nav-toggle span {
  display: block; width: 18px; height: 2px;
  background: var(--ink); border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed; top: 68px; left: 0; right: 0;
  z-index: 199;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 14px 36px rgba(20,18,16,0.10);
  padding: 0.5rem 5vw 1.5rem;
  max-height: calc(100vh - 68px);
  overflow-y: auto;
}
@keyframes mobileMenuIn { from { transform: translateY(-8px); } to { transform: translateY(0); } }
.mobile-menu.open { display: block; animation: mobileMenuIn 0.2s ease; }
/* Respekt k systémovému omezení animací */
@media (prefers-reduced-motion: reduce) { .mobile-menu.open { animation: none; } }
.mobile-menu ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column;
  align-items: stretch; gap: 0;   /* přebíjí .nav-links (center + 2rem) u klonu */
}
.mobile-menu li + li { border-top: 1px solid var(--border); }
.mobile-menu li { width: 100%; }
.mobile-menu ul a {
  display: block; width: 100%; padding: 0.95rem 0.25rem;
  color: var(--ink); text-decoration: none; text-align: left;
  font-family: var(--sans); font-size: 1rem; font-weight: 400;
}
.mobile-menu a:hover { color: var(--blue); }
.mobile-menu-cta {
  display: flex; flex-direction: column; gap: 0.6rem;
  margin-top: 1.1rem; padding-top: 1.1rem; border-top: 1px solid var(--border);
}
.mobile-menu-cta a {
  text-align: center; padding: 0.85rem 1rem;
  border-radius: 9px; font-size: 0.95rem; font-weight: 500;
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
}
@media (min-width: 901px) {
  .mobile-menu { display: none !important; }
}
/* Na úzkých displejích schová sekundární tlačítko — zůstává v menu */
@media (max-width: 600px) {
  nav .btn-ghost { display: none !important; }
  nav .nav-cta { gap: 0.5rem; }
  nav .btn-primary { padding: 0.5rem 0.9rem; font-size: 0.8rem; }
}