/* ============================================================
   QR Legacy Link — Global Stylesheet v2.0
   ============================================================ */

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

:root {
  --bg:          #0c0b09;
  --card:        #161410;
  --card2:       #1e1c18;
  --card3:       #252219;
  --border:      #2e2b24;
  --border2:     #3a3628;
  --gold:        #c8a96e;
  --gold-light:  #e0c68a;
  --gold-dim:    rgba(200, 169, 110, 0.12);
  --text:        #f0ebe0;
  --text-muted:  #8a8070;
  --text-dim:    #5a5548;
  --green:       #5cb85c;
  --red:         #d9534f;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 24px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  line-height: 1.2;
}

a { color: var(--gold); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--gold-light); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--gold);
  color: #0c0b09;
}
.btn-primary:hover {
  background: var(--gold-light);
  color: #0c0b09;
  box-shadow: 0 4px 20px rgba(200,169,110,0.35);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
}
.btn-ghost:hover {
  background: var(--gold-dim);
  color: var(--gold-light);
}

.btn-danger {
  background: var(--red);
  color: #fff;
}
.btn-danger:hover { background: #c9302c; color: #fff; }

.btn-sm { padding: 0.45rem 1rem; font-size: 0.85rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* ── Navbar ── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(12, 11, 9, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
}

.topbar-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--gold);
  letter-spacing: 0.03em;
  text-decoration: none;
  flex-shrink: 0;
}
.topbar-logo:hover { color: var(--gold-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    width: 100%;
    padding: 0.75rem 2rem;
    font-size: 1rem;
  }
  .nav-links .btn { margin: 0.5rem 2rem 0.75rem; width: calc(100% - 4rem); }
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--gold); }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem 1.5rem; margin-bottom: 1rem; }

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.card:hover { border-color: var(--border2); }

/* ── Form elements ── */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200,169,110,0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group textarea { resize: vertical; min-height: 100px; }

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(12,11,9,0.3);
  border-top-color: #0c0b09;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Eyebrow label ── */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ── Badge ── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge-gold { background: var(--gold); color: #0c0b09; }
.badge-green { background: var(--green); color: #fff; }
.badge-muted { background: var(--card2); color: var(--text-muted); border: 1px solid var(--border); }

/* ── Alert / message boxes ── */
.alert {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-top: 0.75rem;
}
.alert-error   { background: rgba(217,83,79,0.12); border: 1px solid rgba(217,83,79,0.3); color: #f08080; }
.alert-success { background: rgba(92,184,92,0.12); border: 1px solid rgba(92,184,92,0.3); color: #90ee90; }
.alert-info    { background: var(--gold-dim); border: 1px solid rgba(200,169,110,0.25); color: var(--gold-light); }

/* ── Section spacing ── */
.section { padding: 5rem 2rem; }
.section-sm { padding: 3rem 2rem; }
.container { max-width: 1100px; margin: 0 auto; }
.container-sm { max-width: 720px; margin: 0 auto; }
.container-xs { max-width: 520px; margin: 0 auto; }

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
}
.modal-close:hover { color: var(--text); }

/* ── Utility ── */
.text-gold   { color: var(--gold); }
.text-muted  { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.hidden { display: none !important; }
.w-full { width: 100%; }

/* ── Responsive grid ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }

@media (max-width: 600px) {
  .section { padding: 3.5rem 1.25rem; }
  .section-sm { padding: 2rem 1.25rem; }
}