/* ===================== TOKENS ===================== */
:root {
  --bg:        #050505;
  --bg-soft:   #0c0d0c;
  --panel:     #101210;
  --panel-2:   #151815;
  --border:    #232622;
  --border-2:  #2e322d;
  --text:      #f4f5f2;
  --muted:     #9aa096;
  --muted-2:   #6f746b;
  --accent:    #a3e635;   /* limetková zelená jako v referenci */
  --accent-2:  #8fd92a;
  --accent-ink:#0a1400;   /* tmavý text na zeleném tlačítku */
  --danger:    #ff6b6b;
  --radius:    18px;
  --radius-sm: 12px;
  --maxw:      1200px;
  --shadow:    0 30px 80px -30px rgba(0,0,0,.8);
}

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

/* Atribut hidden musí vždy přebít display: flex/grid apod. */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 600; letter-spacing: .14em;
  color: var(--accent);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  padding: 7px 16px;
  background: rgba(163,230,53,.05);
}

/* ===================== HEADER ===================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5,5,5,.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 21px; letter-spacing: -.02em; }
.brand-mark { width: 26px; height: 26px; fill: var(--accent); }
.brand-mark.sm { width: 20px; height: 20px; }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { color: var(--muted); font-size: 15px; font-weight: 500; transition: color .2s; }
.main-nav a:hover { color: var(--text); }
.main-nav .nav-cta {
  color: var(--accent-ink); background: var(--accent);
  padding: 9px 18px; border-radius: 10px; font-weight: 600;
}
.main-nav .nav-cta:hover { background: var(--accent-2); color: var(--accent-ink); }

/* ===================== HERO ===================== */
.hero { position: relative; padding: 64px 0 40px; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 78% 8%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(700px 400px at 0% 0%, rgba(163,230,53,.05), transparent 55%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center;
}

.hero-title {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  font-size: clamp(30px, 3.6vw, 50px);
  line-height: 1.08;
  letter-spacing: -.015em;
  margin: 22px 0 18px;
}
.hero-sub { color: var(--muted); font-size: clamp(15px, 1.4vw, 18px); max-width: 540px; }

.hero-points { list-style: none; margin: 24px 0 0; display: grid; gap: 12px; }
.hero-points li { display: flex; align-items: flex-start; gap: 12px; color: var(--text); font-size: 15.5px; }
.check {
  flex: 0 0 auto; width: 22px; height: 22px; margin-top: 1px; border-radius: 50%;
  border: 1.5px solid var(--accent); position: relative;
}
.check::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 5px; height: 9px;
  border: solid var(--accent); border-width: 0 2px 2px 0;
  transform: translate(-50%, -60%) rotate(45deg);
}

/* ===== Lead card / form ===== */
.lead-card { margin-top: 30px; max-width: 560px; }
.lead-form { display: flex; gap: 10px; background: var(--panel); border: 1px solid var(--border-2); border-radius: 14px; padding: 8px; }
.lead-input {
  flex: 1; min-width: 0; background: transparent; border: 0; outline: 0;
  color: var(--text); font-size: 16px; padding: 12px 14px; font-family: inherit;
}
.lead-input::placeholder { color: var(--muted-2); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 15.5px; font-weight: 600; cursor: pointer;
  border: 0; border-radius: 10px; padding: 13px 22px; white-space: nowrap;
  transition: transform .15s ease, background .2s ease, opacity .2s;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px); }
.btn-primary:disabled { opacity: .65; cursor: not-allowed; transform: none; }
.btn-arrow { width: 18px; height: 18px; }

.form-note { color: var(--muted-2); font-size: 13px; margin-top: 12px; }
.form-error { color: var(--danger); font-size: 13.5px; margin-top: 10px; }

.form-success {
  display: flex; align-items: flex-start; gap: 14px;
  background: rgba(163,230,53,.08); border: 1px solid rgba(163,230,53,.35);
  border-radius: 14px; padding: 18px 20px;
}
.form-success strong { display: block; font-size: 17px; }
.form-success p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.success-icon {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; font-weight: 800; font-size: 18px;
}

/* ===== Hero mockup ===== */
.hero-visual { position: relative; }
.mock-app {
  display: grid; grid-template-columns: 168px 1fr;
  background: var(--panel); border: 1px solid var(--border-2);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  min-height: 460px;
}
.mock-sidebar { border-right: 1px solid var(--border); padding: 18px 14px; background: var(--bg-soft); }
.mock-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; margin-bottom: 22px; }
.mock-nav { display: grid; gap: 4px; }
.mock-link { font-size: 13px; color: var(--muted); padding: 9px 11px; border-radius: 9px; }
.mock-link.active { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }

.mock-main { padding: 20px; display: flex; flex-direction: column; }
.mock-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 16px; }
.mock-top h3 { font-size: 19px; font-weight: 600; }
.mock-top p { color: var(--muted); font-size: 13px; }
.mock-badge { background: rgba(163,230,53,.12); color: var(--accent); border: 1px solid rgba(163,230,53,.3); font-size: 12px; padding: 7px 12px; border-radius: 9px; font-weight: 600; }

.mock-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; flex: 1; }
.mock-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px; padding: 14px; display: flex; flex-direction: column; }
.mc-label { font-size: 11px; color: var(--muted-2); text-transform: uppercase; letter-spacing: .08em; }
.mc-title { font-size: 14.5px; margin: 7px 0 4px; }
.mc-desc { font-size: 12px; color: var(--muted); }
.mc-progress { height: 6px; border-radius: 99px; background: var(--panel-2); margin: 12px 0 8px; overflow: hidden; }
.mc-progress span { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.mc-foot { font-size: 11.5px; color: var(--muted); margin-top: auto; padding-top: 8px; }

.mc-list { list-style: none; display: grid; gap: 9px; margin-top: 10px; }
.mc-list li { font-size: 12.5px; color: var(--text); display: flex; align-items: center; gap: 8px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }

.mc-rows { list-style: none; display: grid; gap: 9px; margin: 10px 0; }
.mc-rows li { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; font-size: 12px; color: var(--muted); }
.mc-rows li span:first-child { color: var(--text); }
.mc-rows em { font-style: normal; font-size: 11px; }
.mc-rows .ok { color: var(--accent); } .mc-rows .warn { color: #e2c34a; } .mc-rows .risk { color: #ff8c5a; }
.mc-chart { width: 100%; height: 70px; margin-top: auto; }

/* ===== Feature strip ===== */
.feature-strip {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 28px;
  margin-top: 56px; padding-top: 36px; border-top: 1px solid var(--border);
}
.feature { display: flex; gap: 14px; align-items: flex-start; }
.feature-ico {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 11px;
  background: rgba(163,230,53,.1); color: var(--accent);
  display: grid; place-items: center; font-size: 18px; border: 1px solid rgba(163,230,53,.2);
}
.feature strong { font-size: 15.5px; }
.feature p { color: var(--muted); font-size: 13.5px; }

/* ===================== SECTION HEAD ===================== */
.section-head { max-width: 720px; margin: 0 auto 50px; text-align: center; }
.section-title {
  font-family: 'Fraunces', Georgia, serif; font-weight: 500;
  font-size: clamp(26px, 3vw, 40px); line-height: 1.12; letter-spacing: -.01em; margin: 18px 0 14px;
}
.section-sub { color: var(--muted); font-size: 17px; }

/* ===================== BENEFITS ===================== */
.benefits { padding: 90px 0; }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.benefit-card {
  position: relative; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px 26px; overflow: hidden;
  transition: border-color .25s, transform .25s;
}
.benefit-card:hover { border-color: var(--border-2); transform: translateY(-4px); }
.benefit-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0; transition: opacity .25s;
}
.benefit-card:hover::after { opacity: 1; }
.bc-num { position: absolute; top: 22px; right: 24px; font-family: 'Fraunces',serif; font-size: 30px; color: var(--border-2); }
.bc-ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(163,230,53,.1); color: var(--accent); font-size: 22px;
  border: 1px solid rgba(163,230,53,.25); margin-bottom: 20px;
}
.benefit-card h3 { font-size: 21px; margin-bottom: 12px; letter-spacing: -.01em; }
.benefit-card p { color: var(--muted); font-size: 15px; line-height: 1.6; }
.benefit-card strong { color: var(--text); }
.bc-tag {
  display: inline-block; margin-top: 20px; font-size: 13px; font-weight: 600;
  color: var(--accent); background: rgba(163,230,53,.08);
  border: 1px solid rgba(163,230,53,.25); padding: 7px 14px; border-radius: 999px;
}

/* ===================== HOW ===================== */
.how { padding: 30px 0 90px; }
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.step { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; }
.step-n {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px;
  background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: 18px; margin-bottom: 16px;
}
.step h4 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14px; }

/* ===================== ŽIVÉ DEMO / CHATBOT ===================== */
.demo { padding: 30px 0 90px; }
.demo-grid { display: grid; grid-template-columns: 0.85fr 1fr; gap: 40px; align-items: center; }

.demo-aside h3 { font-size: 24px; margin-bottom: 20px; letter-spacing: -.01em; }
.demo-list { list-style: none; display: grid; gap: 14px; }
.demo-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 15.5px; }
.demo-hint { margin-top: 26px; color: var(--accent); font-size: 14px; font-weight: 600; }

/* widget shell */
.chatbot { width: 100%; max-width: 490px; margin-left: auto; }
.chatbot .chat-wrap {
  width: 100%; background: var(--panel); border: 1px solid var(--border-2);
  border-radius: 20px; overflow: hidden; box-shadow: var(--shadow);
}
.chatbot .chat-header {
  background: linear-gradient(135deg, #14210a, #1c2e0d);
  border-bottom: 1px solid var(--border-2);
  padding: 16px 20px; display: flex; align-items: center; gap: 12px;
}
.chatbot .agent-avatar {
  width: 42px; height: 42px; background: rgba(163,230,53,.15); border: 1px solid rgba(163,230,53,.3);
  border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0;
}
.chatbot .agent-info h3 { color: var(--text); font-size: .9rem; font-weight: 600; }
.chatbot .agent-info p { color: var(--muted); font-size: .77rem; margin-top: 2px; display: flex; align-items: center; }
.chatbot .status-dot {
  width: 7px; height: 7px; background: var(--accent); border-radius: 50%;
  display: inline-block; margin-right: 5px; animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

.chatbot .status-bar {
  background: var(--bg-soft); padding: 10px 20px; display: flex; gap: 14px;
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.chatbot .status-chip { display: flex; align-items: center; gap: 5px; font-size: .73rem; color: var(--muted-2); }
.chatbot .status-chip .val { color: var(--text); font-weight: 600; }
.chatbot .status-chip.green .val  { color: var(--accent); }
.chatbot .status-chip.red .val    { color: #ff8c5a; }
.chatbot .status-chip.yellow .val { color: #e2c34a; }

.chatbot .chat-messages {
  height: 360px; overflow-y: auto; padding: 18px 14px;
  display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth;
}
.chatbot .chat-messages::-webkit-scrollbar { width: 4px; }
.chatbot .chat-messages::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

.chatbot .msg { display: flex; gap: 8px; animation: fadeIn .3s ease; }
@keyframes fadeIn { from{opacity:0;transform:translateY(6px)} to{opacity:1;transform:translateY(0)} }
.chatbot .msg.user { flex-direction: row-reverse; }
.chatbot .msg-avatar {
  width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-size: .8rem; flex-shrink: 0; margin-top: 2px;
}
.chatbot .msg.bot .msg-avatar { background: rgba(163,230,53,.15); border: 1px solid rgba(163,230,53,.3); }
.chatbot .msg.user .msg-avatar { background: var(--panel-2); border: 1px solid var(--border-2); }
.chatbot .msg-bubble { max-width: 80%; padding: 9px 13px; border-radius: 14px; font-size: .855rem; line-height: 1.5; color: var(--text); }
.chatbot .msg.bot .msg-bubble { background: var(--bg-soft); border: 1px solid var(--border); border-bottom-left-radius: 3px; }
.chatbot .msg.user .msg-bubble { background: var(--accent); color: var(--accent-ink); border-bottom-right-radius: 3px; font-weight: 500; }
.chatbot .msg.user .msg-bubble strong { color: var(--accent-ink); }

/* typing */
.chatbot .typing-indicator { display: none; align-items: center; gap: 8px; padding-left: 14px; }
.chatbot .typing-indicator.visible { display: flex; }
.chatbot .typing-avatar {
  width: 28px; height: 28px; background: rgba(163,230,53,.15); border: 1px solid rgba(163,230,53,.3);
  border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .8rem; flex-shrink: 0;
}
.chatbot .typing-dots {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 14px; border-bottom-left-radius: 3px;
  padding: 10px 14px; display: flex; gap: 4px; align-items: center;
}
.chatbot .typing-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; animation: bounce 1.2s infinite; }
.chatbot .typing-dot:nth-child(2){ animation-delay:.2s }
.chatbot .typing-dot:nth-child(3){ animation-delay:.4s }
@keyframes bounce { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-6px)} }

/* quick replies */
.chatbot .quick-replies { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 10px; }
.chatbot .quick-btn {
  background: transparent; border: 1px solid var(--border-2); color: var(--muted);
  padding: 6px 13px; border-radius: 20px; font-size: .78rem; cursor: pointer;
  transition: all .2s; font-family: inherit;
}
.chatbot .quick-btn:hover { background: var(--panel-2); border-color: var(--accent); color: var(--text); }
.chatbot .quick-btn.slot { border-color: var(--accent); color: var(--accent); }
.chatbot .quick-btn.slot:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* input */
.chatbot .chat-input-wrap { padding: 12px 14px; border-top: 1px solid var(--border); display: flex; gap: 8px; align-items: center; }
.chatbot .chat-input {
  flex: 1; background: var(--bg-soft); border: 1px solid var(--border-2); border-radius: 10px;
  padding: 9px 13px; color: var(--text); font-size: .855rem; font-family: inherit; outline: none; transition: border-color .2s;
}
.chatbot .chat-input:focus { border-color: var(--accent); }
.chatbot .chat-input::placeholder { color: var(--muted-2); }
.chatbot .chat-input:disabled { opacity: .5; }
.chatbot .send-btn {
  width: 38px; height: 38px; background: var(--accent); border: none; border-radius: 9px;
  cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background .2s;
}
.chatbot .send-btn:hover { background: var(--accent-2); }
.chatbot .send-btn svg { width: 17px; height: 17px; fill: var(--accent-ink); }

/* booking card */
.chatbot .booking-card { display: none; margin: 0 14px 14px; background: rgba(163,230,53,.07); border: 1px solid rgba(163,230,53,.4); border-radius: 12px; padding: 14px; }
.chatbot .booking-card.visible { display: block; animation: fadeIn .4s ease; }
.chatbot .booking-card h4 { color: var(--accent); font-size: .78rem; font-weight: 700; text-transform: uppercase; margin-bottom: 10px; }
.chatbot .booking-row { display: flex; justify-content: space-between; margin-bottom: 5px; font-size: .79rem; }
.chatbot .booking-row span:first-child { color: var(--muted-2); }
.chatbot .booking-row span:last-child { color: var(--text); font-weight: 500; }
.chatbot .booking-card a { color: var(--accent); font-size: .79rem; text-decoration: none; }
.chatbot .booking-card a:hover { text-decoration: underline; }

/* info row */
.chatbot .info-row { display: flex; gap: 12px; margin-top: 16px; }
.chatbot .info-box { flex: 1; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px; text-align: center; }
.chatbot .info-box .num { color: var(--accent); font-size: 1.4rem; font-weight: 700; }
.chatbot .info-box .desc { color: var(--muted-2); font-size: .72rem; margin-top: 2px; }

/* ===================== FINAL CTA ===================== */
.cta-final { padding: 0 0 100px; }
.cta-box {
  position: relative; text-align: center; max-width: 760px;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(163,230,53,.12), transparent 70%),
    var(--panel);
  border: 1px solid var(--border-2); border-radius: 28px; padding: 56px 40px;
}
.cta-box h2 { font-family: 'Fraunces',serif; font-weight: 500; font-size: clamp(26px,3vw,38px); letter-spacing: -.01em; }
.cta-box > p { color: var(--muted); font-size: 17px; margin: 14px auto 28px; max-width: 540px; }
.lead-form--center { max-width: 520px; margin: 0 auto; }
.form-success--center { max-width: 520px; margin: 16px auto 0; justify-content: center; }

/* ===================== FOOTER ===================== */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer p { color: var(--muted-2); font-size: 14px; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: 2; }
  .cards-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .feature-strip { grid-template-columns: 1fr; gap: 20px; }
  .demo-grid { grid-template-columns: 1fr; gap: 32px; }
  .chatbot { margin: 0 auto; }
}
@media (max-width: 640px) {
  .main-nav { gap: 14px; }
  .main-nav a:not(.nav-cta) { display: none; }
  .hero { padding: 40px 0 20px; }
  .lead-form { flex-direction: column; }
  .btn-primary { width: 100%; }
  .mock-app { grid-template-columns: 1fr; min-height: 0; }
  .mock-sidebar { display: none; }
  .mock-cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .benefits, .how { padding: 60px 0; }
  .cta-box { padding: 40px 22px; }
}