/*
 * Global Chrome & Layout
 * Header, Nav, Legal Header/Footer, Section Backgrounds
 */

/* ===== Section Background Utilities ===== */
.section-bg--hero {
  position: relative;
  background: 
    radial-gradient(circle at 20% 10%, rgba(var(--accent-cyan-rgb), 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 90%, rgba(var(--accent-secondary-rgb), 0.08) 0%, transparent 50%),
    var(--bg-main);
  overflow: hidden;
}

.section-bg--hero::before,
.section-bg--hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0.2;
  z-index: 0;
}

.section-bg--hero::before {
  top: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(var(--accent-cyan-rgb), 0.4) 0%, transparent 70%);
}

.section-bg--hero::after {
  bottom: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(var(--accent-secondary-rgb), 0.4) 0%, transparent 70%);
}

.section-bg--muted {
  position: relative;
  background: 
    linear-gradient(180deg, #05070a 0%, rgba(5, 7, 10, 0.98) 100%),
    radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.04) 0%, transparent 60%);
}

.section-bg--muted::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.2), transparent);
  opacity: 0.5;
}

/* ===== Section Decor Blobs ===== */
.section-decor--blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

.section-decor--blob--top-left {
  top: -15%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(var(--accent-cyan-rgb), 0.5) 0%, transparent 70%);
}

.section-decor--blob--bottom-right {
  bottom: -15%;
  right: -10%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(var(--accent-secondary-rgb), 0.5) 0%, transparent 70%);
}


/* ===== Main Site Header & Footer (Marketing) ===== */
#navbar-container {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  background: rgba(5, 7, 10, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  transition:
    background 180ms ease-out,
    box-shadow 180ms ease-out,
    border-color 180ms ease-out,
    backdrop-filter 180ms ease-out;
}

.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header--scrolled {
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-md);
}

.site-header__logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  transition: color 150ms ease-out;
  text-decoration: none;
  display: inline-block;
}

.site-header__logo:hover {
  color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav__link {
  font-size: var(--text-sm);
  color: rgba(148, 163, 184, 0.95);
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  transition: color 150ms ease-out;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--grad-accent-diagonal);
  transition: width 160ms ease-out;
}

.site-nav__link:hover {
  color: rgba(248, 250, 252, 0.96);
}

.site-nav__link:hover::after {
  width: 100%;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header__secondary {
  font-size: var(--text-sm);
  color: rgba(148, 163, 184, 0.95);
  text-decoration: none;
  transition: color 150ms ease-out;
}

.site-header__secondary:hover {
  color: rgba(248, 250, 252, 0.96);
}


/* ===== Responsive Styles ===== */
@media (max-width: 768px) {
  .site-header__inner {
    padding: var(--space-sm) var(--space-md);
    gap: 12px;
  }

  .site-nav {
    display: none;
  }

  .legal-nav-toggle {
    display: flex;
  }

  .legal-nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-subtle);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-2xl) var(--space-xl);
    gap: var(--space-lg);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.5);
    transition: right var(--transition-slow);
    z-index: 100;
    overflow-y: auto;
  }

  .legal-header.legal-header--open .legal-nav__links {
    right: 0;
  }

  .legal-nav__links li {
    width: 100%;
  }

  .legal-nav__links .legal-nav__link {
    display: block;
    padding: var(--space-sm) 0;
    font-size: 1rem;
    width: 100%;
  }

  .legal-nav__links .btn {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-md);
  }

  .legal-nav__links .legal-nav__link::after {
    display: none;
  }

  /* Overlay when menu is open */
  .legal-header.legal-header--open::after {
    display: block;
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99;
    pointer-events: auto;
  }

  .site-footer__inner {
    flex-direction: column;
  }

  .site-footer__right {
    justify-content: flex-start;
  }
  
  .legal-footer__inner {
    flex-direction: column;
    text-align: center;
  }
  
  .legal-footer__links {
    flex-direction: column;
    gap: var(--space-sm);
  }
}


/* ===== Legal Pages Header & Footer (AGB, Impressum, Datenschutz) ===== */
.legal-header {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border-subtle);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 100;
  background: rgba(5, 5, 9, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-base);
}

.legal-header::after {
  display: none;
}

.legal-header.legal-header--scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-subtle-hover);
}

.legal-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.legal-header__logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition-base);
  text-decoration: none;
  display: inline-block;
}

.legal-header__logo:hover {
  color: var(--accent);
}

.legal-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 101;
  position: relative;
  transition: all var(--transition-base);
}

.legal-nav-toggle:hover .legal-nav-toggle__line {
  background: var(--accent);
}

.legal-nav-toggle__line {
  width: 1.5rem;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.legal-nav-toggle.active .legal-nav-toggle__line:nth-child(1) {
  transform: translateY(0.5rem) rotate(45deg);
}

.legal-nav-toggle.active .legal-nav-toggle__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.legal-nav-toggle.active .legal-nav-toggle__line:nth-child(3) {
  transform: translateY(-0.5rem) rotate(-45deg);
}

.legal-nav__links {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
  list-style: none;
}

.legal-nav__link {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: all var(--transition-base);
  position: relative;
  padding-bottom: 0.25rem;
}

.legal-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-base);
}

.legal-nav__link:hover {
  color: var(--text-primary);
}

.legal-nav__link:hover::after,
.legal-nav__link.active::after {
  width: 100%;
}

.legal-nav__link.active {
  color: var(--text-primary);
}

.legal-footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-xl) 0;
  margin-top: var(--space-2xl);
  background: var(--bg-surface-alt);
}

.legal-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.legal-footer__copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.legal-footer__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.legal-footer__link {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-base);
}

.legal-footer__link:hover {
  color: var(--accent);
}