:root {
  --bg: #17130f;
  --bg-alt: #1f1a13;
  --bg-card: #241e16;
  --cream: #f3e9d2;
  --muted: #a89a80;
  --amber: #e2a542;
  --amber-soft: #c98a34;
  --ember: #c1502e;
  --forest: #5c7048;
  --gold-line: #6f5c3e;
  --border: rgba(243, 233, 210, 0.12);

  --font-display: "Big Shoulders Display", sans-serif;
  --font-body: "Manrope", sans-serif;
  --font-mono: "Space Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

img, svg { display: block; max-width: 100%; }

::selection { background: var(--ember); color: var(--cream); }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2rem;
  background: rgba(23, 19, 15, 0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.logo-feather { width: 24px; height: 24px; color: var(--amber); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.92rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  transition: color 0.15s ease;
}

.site-nav a:hover { color: var(--cream); }

.nav-cta {
  color: var(--bg) !important;
  background: var(--amber);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-weight: 600;
}

.nav-cta:hover { background: var(--cream); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 6rem 1.5rem 4rem;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(226, 165, 66, 0.10), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, #120f0b 100%);
}

.feather-hero {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -48%);
  width: min(620px, 90vw);
  height: auto;
  opacity: 0.5;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
}

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.75rem;
  color: var(--amber);
  margin: 0 0 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(4rem, 15vw, 9rem);
  line-height: 0.9;
  letter-spacing: 0.01em;
  margin: 0 0 1.25rem;
  background: linear-gradient(180deg, var(--cream) 40%, var(--amber) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 2rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cream);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.meta-item strong {
  color: var(--amber);
  font-weight: 700;
  margin-right: 0.4em;
  letter-spacing: 0.05em;
}

.meta-dot { color: var(--gold-line); }

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  font-family: var(--font-body);
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--amber);
  color: #1a1509;
}

.btn-primary:hover { background: var(--cream); }

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: var(--border);
}

.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

.btn-block { width: 100%; text-align: center; }

.btn-danger { color: var(--ember); border-color: rgba(193, 80, 46, 0.4); }
.btn-danger:hover { border-color: var(--ember); background: rgba(193, 80, 46, 0.08); color: var(--ember); }

/* ---------- Sections ---------- */

.section { padding: 6rem 1.5rem; }

.section-alt { background: var(--bg-alt); }

.section-inner { max-width: 1040px; margin: 0 auto; }

.section-inner-narrow { max-width: 640px; }

.section-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--amber);
  margin: 0 0 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  max-width: 720px;
}

.section-note { color: var(--muted); max-width: 560px; margin: 0 0 2.5rem; }

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem 1.6rem;
}

.about-icon { color: var(--ember); font-size: 1.1rem; }

.about-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  margin: 0.75rem 0 0.6rem;
}

.about-card p { color: var(--muted); margin: 0; font-size: 0.95rem; }

/* ---------- Schedule ---------- */

.schedule {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 1rem;
}

.day-label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--amber);
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gold-line);
}

.schedule-list { list-style: none; margin: 0; padding: 0; }

.schedule-list li {
  display: flex;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.92rem;
}

.schedule-list li:last-child { border-bottom: none; }

.time {
  font-family: var(--font-mono);
  color: var(--muted);
  min-width: 3.2em;
  flex-shrink: 0;
}

/* ---------- Info ---------- */

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 1rem;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
}

.info-key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--forest);
  margin: 0 0 0.5rem;
}

.info-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0;
}

/* ---------- Account card ---------- */

.section-account { background: var(--bg-alt); }

.account-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  margin-top: 1rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.75rem 0.25rem;
  margin-right: 1.5rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transform: translateY(1px);
}

.tab-btn.is-active { color: var(--amber); border-bottom-color: var(--amber); }

.tab-panel { display: none; }

.tab-panel.is-active { display: block; }

.form-row { margin-bottom: 1.15rem; }

.form-row label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.form-row .opt { color: var(--gold-line); font-weight: 400; }

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--amber);
  outline: none;
}

.form-row textarea { resize: vertical; }

.form-msg {
  min-height: 1.2em;
  font-size: 0.88rem;
  margin: 1rem 0 0;
}

.form-msg.is-error { color: var(--ember); }
.form-msg.is-success { color: var(--forest); }

.registration-result { margin-top: 1rem; }

.result-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.result-icon {
  color: var(--forest);
  background: rgba(92, 112, 72, 0.15);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.result-header h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0;
}

.result-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem 1rem;
  margin: 0 0 1.5rem;
  font-size: 0.92rem;
}

.result-list dt {
  font-family: var(--font-mono);
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  align-self: start;
  padding-top: 0.15rem;
}

.result-list dd { margin: 0; }

.storage-note {
  font-size: 0.82rem;
  color: var(--gold-line);
  margin-top: 1.5rem;
}

.storage-note code {
  font-family: var(--font-mono);
  background: var(--bg-card);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border);
  background: #100d0a;
}

.footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo { font-size: 1.1rem; }

.footer-text { color: var(--muted); font-size: 0.85rem; margin: 0; }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .schedule { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .site-nav { gap: 1rem; font-size: 0.85rem; }
  .br-desktop { display: none; }
}

@media (max-width: 520px) {
  .site-header { padding: 1rem 1.25rem; }
  .info-grid { grid-template-columns: 1fr; }
  .account-card { padding: 1.25rem; }
  .result-list { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ---------- Stav platby ---------- */

.paid-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.paid-badge.is-paid {
  background: rgba(92, 112, 72, 0.18);
  color: var(--forest);
}

.paid-badge.is-unpaid {
  background: rgba(226, 165, 66, 0.14);
  color: var(--amber);
}