/* ==========================================================================
   Kupferstadt Immobilien - Temporary Landing Page CSS
   Color Palette: Warm Crème / Dark Anthracite / Muted Copper Accent
   ========================================================================== */

:root {
  /* Color Palette - Fixed Design System */
  --bg-primary: #F7F4EF;          /* Warm Crème / Off-White */
  --bg-card: #FFFFFF;             /* Pure White Surface */
  --bg-card-subtle: #FAF7F2;      /* Warm Tinted Subcard */
  --bg-dark: #1C1F24;             /* Deep Anthracite */
  
  --text-main: #1C2026;           /* Main Heading & Body Text */
  --text-muted: #5E646E;          /* Secondary Muted Text */
  --text-light: #8E95A0;          /* Subtle Label Text */
  
  --copper-accent: #B86B43;       /* Primary Muted Copper */
  --copper-hover: #A05A35;        /* Deep Copper Hover State */
  --copper-light: #F5EBE6;        /* Soft Copper Background Tint */
  --copper-border: #E5CDC0;       /* Soft Copper Border */
  
  --border-subtle: #E6DFD5;       /* Fine Line Divider */
  --shadow-card: 0 20px 40px -15px rgba(28, 31, 36, 0.07), 0 0 1px rgba(28, 31, 36, 0.1);
  --shadow-hover: 0 25px 50px -12px rgba(184, 107, 67, 0.12);

  /* Typography Fonts */
  --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Subtle Architectural Pattern */
.bg-architectural-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image: 
    radial-gradient(circle at 85% 15%, rgba(184, 107, 67, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(28, 31, 36, 0.03) 0%, transparent 50%);
}

.main-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Top Brand Bar */
.brand-header {
  padding-top: 2.5rem;
  padding-bottom: 1.5rem;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-dark);
  color: var(--copper-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(28, 31, 36, 0.15);
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.1;
  margin: 0;
}

.brand-subhead {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--copper-accent);
  margin-top: 0.2rem;
}

/* Status Chip */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background-color: var(--copper-light);
  border: 1px solid var(--copper-border);
  color: var(--copper-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--copper-accent);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2.5s infinite ease-in-out;
}

@keyframes pulse {
  0% { opacity: 0.4; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.15); }
  100% { opacity: 0.4; transform: scale(0.9); }
}

/* Headings & Text */
.hero-heading {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero-heading .highlight-copper {
  color: var(--copper-accent);
  position: relative;
  font-style: italic;
}

.hero-lead-text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 2rem;
  font-weight: 400;
}

.architectural-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--copper-accent), transparent);
  margin-bottom: 2rem;
  border-radius: 2px;
}

/* Contact Card Styling */
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-top: 4px solid var(--copper-accent);
  border-radius: 16px;
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 100% 0%, rgba(184, 107, 67, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.contact-card-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
}

.contact-card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 0 0 0.25rem 0;
}

.contact-card-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0;
}

/* Contact Items */
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  padding: 0.9rem 1rem;
  margin-bottom: 0.75rem;
  border-radius: 10px;
  background-color: var(--bg-card-subtle);
  border: 1px solid rgba(230, 223, 213, 0.6);
  transition: all 0.2s ease;
}

.contact-item:hover {
  background-color: #FFFFFF;
  border-color: var(--copper-border);
  box-shadow: 0 4px 12px rgba(184, 107, 67, 0.06);
}

.contact-icon-wrapper {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background-color: var(--copper-light);
  color: var(--copper-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.contact-item-content {
  flex-grow: 1;
  min-width: 0;
}

.contact-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  display: block;
  margin-bottom: 0.2rem;
}

.contact-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  display: inline-block;
  word-break: break-word;
  transition: color 0.2s ease;
}

a.contact-value:hover {
  color: var(--copper-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Action Button Inside Contact Item */
.btn-copy {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 6px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.5rem;
  flex-shrink: 0;
}

.btn-copy:hover {
  background-color: var(--copper-light);
  color: var(--copper-accent);
}

/* Architectural Image Box */
.architecture-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-subtle);
  position: relative;
  height: 100%;
  min-height: 220px;
}

.architecture-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: contrast(1.03) brightness(0.98);
}

.architecture-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28, 31, 36, 0.05) 0%, rgba(28, 31, 36, 0.4) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.architecture-tag {
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  background: rgba(28, 31, 36, 0.75);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Footer info */
.footer-bar {
  padding-top: 2rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 3rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Toast Notice */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-dark);
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  border-left: 3px solid var(--copper-accent);
}

.toast-notice.show {
  opacity: 1;
  transform: translateY(0);
}

/* Touch targets for mobile */
@media (max-width: 767.98px) {
  .brand-header {
    padding-top: 1.5rem;
    padding-bottom: 1rem;
  }
  
  .contact-card {
    padding: 1.5rem 1.25rem;
  }

  .hero-heading {
    margin-bottom: 1rem;
  }

  .hero-lead-text {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .contact-value {
    font-size: 0.95rem;
  }

  .toast-notice {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }
}