/* ============================================================
   Bankenregulierung.de — Stylesheet
   Stack: Bootstrap 5 + Custom CSS
   Konzept: Regulatorische Autorität — dunkel, präzise, seriös
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Source+Sans+3:wght@300;400;600&family=Source+Code+Pro:wght@400;600&display=swap');

/* --- CSS Variables --- */
:root {
  --color-bg:          #0d1117;
  --color-surface:     #161b22;
  --color-surface-2:   #1c2330;
  --color-border:      #2a3441;
  --color-accent:      #c8a96e;        /* Gold — Autorität */
  --color-accent-dim:  #8a7148;
  --color-text:        #e0e6ed;
  --color-text-muted:  #8b95a1;
  --color-text-faint:  #4a5568;
  --color-danger:      #e05252;
  --color-success:     #4caf82;
  --color-info:        #4a9fd4;

  --font-display:      'Playfair Display', Georgia, serif;
  --font-body:         'Source Sans 3', 'Helvetica Neue', sans-serif;
  --font-mono:         'Source Code Pro', 'Courier New', monospace;

  --radius:            4px;
  --radius-lg:         8px;
  --transition:        0.2s ease;
  --shadow:            0 2px 12px rgba(0,0,0,0.4);
  --shadow-lg:         0 8px 32px rgba(0,0,0,0.6);

  --navbar-height:     64px;

}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: #e8c98e; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: #f0f4f8;
}

code, kbd, pre {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

hr {
  border-color: var(--color-border);
  opacity: 1;
}

.table.table-reg {
  --bs-table-bg: #222f40;
  --bs-table-color: #e0e6ed;
  --bs-table-border-color: #2a3441;
}


/* --- Navbar --- */
.navbar-main {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: var(--navbar-height);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 16px rgba(0,0,0,0.5);
}

.navbar-brand-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent) !important;
  letter-spacing: 0.02em;
}

.navbar-brand-sub {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 300;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  line-height: 1;
  margin-top: 2px;
}

.nav-link-main {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted) !important;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.4rem 0.75rem !important;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.nav-link-main:hover,
.nav-link-main.active {
  color: var(--color-accent) !important;
  background: rgba(200, 169, 110, 0.08);
}

.navbar-toggler {
  border-color: var(--color-border);
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(200,169,110,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* --- Hero / Page Header --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-surface) 0%, #111827 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 3.5rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(200,169,110,0.06) 0%, transparent 70%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 39px,
      rgba(42,52,65,0.3) 39px,
      rgba(42,52,65,0.3) 40px
    );
  pointer-events: none;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #f5f8fc;
  margin-bottom: 1rem;
}

.hero-title span {
  color: var(--color-accent);
}

.hero-lead {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 680px;
  line-height: 1.8;
}

/* --- Decorative Accent Line --- */
.accent-line {
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  margin: 1.25rem 0;
  border-radius: 2px;
}

/* --- Section --- */
.section {
  padding: 3rem 0;
}

.section-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #f0f4f8;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

/* --- Cards --- */
.card-reg {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  height: 100%;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.card-reg::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--color-border);
  transition: background var(--transition);
}

.card-reg:hover {
  border-color: var(--color-accent-dim);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-reg:hover::before {
  background: var(--color-accent);
}

.card-reg-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: block;
}

.card-reg-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.card-reg-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: #f0f4f8;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.card-reg-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

.card-reg-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: 1rem;
  letter-spacing: 0.04em;
}

.card-reg-link:hover { color: #e8c98e; }
.card-reg-link::after { content: '→'; transition: transform var(--transition); }
.card-reg:hover .card-reg-link::after { transform: translateX(3px); }

/* --- Alert Banner (Aktuelles) --- */
.alert-reg {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 0.875rem 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.alert-reg strong {
  color: var(--color-text);
  font-weight: 600;
}

.alert-reg .badge-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  margin-right: 0.75rem;
  letter-spacing: 0.06em;
}

/* --- Sidebar / Quick Nav --- */
.sidebar-nav {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  position: sticky;
  top: calc(var(--navbar-height) + 1.5rem);
}

.sidebar-nav-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-nav-link {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.sidebar-nav-link:hover,
.sidebar-nav-link.active {
  color: var(--color-accent);
  background: rgba(200,169,110,0.07);
}

/* --- Badges --- */
.badge-reg {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.25em 0.6em;
  border-radius: 2px;
  text-transform: uppercase;
}

.badge-eu    { background: rgba(74,159,212,0.15); color: var(--color-info);    border: 1px solid rgba(74,159,212,0.3); }
.badge-de    { background: rgba(76,175,130,0.15); color: var(--color-success); border: 1px solid rgba(76,175,130,0.3); }
.badge-new   { background: rgba(200,169,110,0.15); color: var(--color-accent); border: 1px solid rgba(200,169,110,0.3); }
.badge-draft { background: rgba(224,82,82,0.12);  color: var(--color-danger);  border: 1px solid rgba(224,82,82,0.3); }

/* --- Table --- */
.table-reg {
  font-size: 0.875rem;
  color: var(--color-text);
}

.table-reg thead th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border-color: var(--color-border);
  background: var(--color-surface-2);
  padding: 0.875rem 1rem;
}

.table-reg tbody td {
  border-color: var(--color-border);
  padding: 0.875rem 1rem;
  vertical-align: middle;
  color: var(--color-text-muted);
}

.table-reg tbody tr:hover td {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* --- Footer --- */
.footer-main {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0 1.5rem;
  margin-top: auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.footer-disclaimer {
  font-size: 0.78rem;
  color: var(--color-text-faint);
  line-height: 1.6;
  max-width: 480px;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.875rem;
}

.footer-link {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
  transition: color var(--transition);
}

.footer-link:hover { color: var(--color-accent); }

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-faint);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

/* --- Utility --- */
.text-accent  { color: var(--color-accent) !important; }
.text-muted-r { color: var(--color-text-muted) !important; }
.font-mono    { font-family: var(--font-mono); }
.font-display { font-family: var(--font-display); }
.bg-surface   { background-color: var(--color-surface); }
.bg-surface-2 { background-color: var(--color-surface-2); }
.border-reg   { border-color: var(--color-border) !important; }

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp 0.4s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-delay-4 { animation-delay: 0.4s; opacity: 0; }
.animate-delay-5 { animation-delay: 0.5s; opacity: 0; }

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
  .page-hero { padding: 2rem 0 1.75rem; }
  .hero-title { font-size: 1.7rem; }
  .section { padding: 2rem 0; }
  .navbar-main { height: auto; }
}