/* ==========================================================================
   Der Einsatzreporter - Global Styles & Design System
   ========================================================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* Core Color Tokens & System Defaults */
:root {
  /* Constant colors across themes */
  --accent-red: #ff3b30;
  --accent-red-hover: #e02d22;
  --accent-red-glow: rgba(255, 59, 48, 0.25);
  --accent-blue: #007aff;
  --accent-blue-hover: #0066d6;
  --accent-blue-glow: rgba(0, 122, 255, 0.25);
  --accent-yellow: #ffcc00;
  --accent-yellow-glow: rgba(255, 204, 0, 0.2);
  --success: #34c759;
  
  /* Transition settings */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Fonts */
  --font-headings: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Theme variables - DARK (Default) */
  --bg-primary: #0a0b0d;
  --bg-secondary: #131519;
  --bg-tertiary: #1b1e24;
  --text-primary: #ffffff;
  --text-secondary: #a0a7b5;
  --text-muted: #626875;
  --border-color: #21252d;
  --glass-bg: rgba(19, 21, 25, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --logo-filter: brightness(0) invert(1);
  --shadow-color: rgba(0, 0, 0, 0.5);
  --glow-strength: 0 0 20px rgba(255, 59, 48, 0.2);
  --btn-secondary-bg: #1b1e24;
  --btn-secondary-hover: #262b33;
}

/* Light Theme Variables overrides */
[data-theme="light"] {
  --bg-primary: #f4f5f8;
  --bg-secondary: #ffffff;
  --bg-tertiary: #ebecf0;
  --text-primary: #0e1013;
  --text-secondary: #4a505c;
  --text-muted: #848c9c;
  --border-color: #d1d5db;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(14, 16, 19, 0.08);
  --logo-filter: none;
  --shadow-color: rgba(14, 16, 19, 0.06);
  --glow-strength: 0 8px 30px rgba(0, 0, 0, 0.04);
  --btn-secondary-bg: #ebecf0;
  --btn-secondary-hover: #e1e3e8;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

h1 {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 0.75rem;
}

/* Modern accent bar for Section Titles */
h2.section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-red), var(--accent-blue));
  border-radius: 2px;
}

h3 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-blue-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 8rem 0;
  position: relative;
}

.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.grid {
  display: grid;
}

/* Dynamic Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-red), #e02d22);
  color: #ffffff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-red-glow);
  color: #ffffff;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--btn-secondary-hover);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-blue), #005cc5);
  color: #ffffff;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-blue-glow);
  color: #ffffff;
}

/* Header & Glass Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
  box-shadow: 0 4px 20px var(--shadow-color);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
  filter: var(--logo-filter);
  transition: filter var(--transition-normal), transform var(--transition-fast);
}

.logo-img:hover {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast) ease-out;
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-muted);
  transform: scale(1.05);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: transform var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1), opacity var(--transition-fast);
  position: absolute;
}

.theme-toggle .sun-icon {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

.theme-toggle .moon-icon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .sun-icon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .moon-icon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

/* Urgent Pulse Button in Nav */
.btn-nav-urgency {
  background: linear-gradient(135deg, var(--accent-red), #d62218);
  color: #ffffff;
  padding: 0.6rem 1.15rem;
  font-size: 0.85rem;
  border-radius: 6px;
  font-weight: 700;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 10px rgba(255, 59, 48, 0.25);
  animation: pulse-border 2s infinite;
}

.btn-nav-urgency:hover {
  box-shadow: 0 4px 15px rgba(255, 59, 48, 0.4);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-nav-urgency .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #ffffff;
  border-radius: 50%;
  display: inline-block;
  animation: pulse-dot 1.5s infinite;
}

/* Hamburger Mobile Menu */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--text-primary);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  position: absolute;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.hamburger span:nth-child(1) { transform: translateY(-7px); }
.hamburger span:nth-child(2) { width: 18px; right: 8px; }
.hamburger span:nth-child(3) { transform: translateY(7px); }

.hamburger.open span:nth-child(1) { transform: translateY(0) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(0) rotate(-45deg); }

/* Footer Design */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 2.5rem 0;
  color: var(--text-secondary);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand .footer-logo {
  height: 44px;
  width: auto;
  filter: var(--logo-filter);
  margin-bottom: 1.5rem;
  transition: filter var(--transition-normal);
}

.footer-brand p {
  font-size: 0.95rem;
  max-width: 320px;
  line-height: 1.6;
}

.footer-column h4 {
  font-family: var(--font-headings);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links li {
  margin-bottom: 0.85rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--text-primary);
  padding-left: 4px;
}

.footer-contact-info li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
}

.footer-contact-info svg {
  width: 18px;
  height: 18px;
  color: var(--accent-red);
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  position: relative;
  z-index: 10;
}

.footer-legal-links {
  display: flex;
  gap: 1.75rem;
  position: relative;
  z-index: 15;
}

.footer-legal-links a {
  color: var(--text-muted);
  position: relative;
  z-index: 20;
  pointer-events: auto;
}

.footer-legal-links a:hover {
  color: var(--text-primary);
}

/* Animations */
@keyframes pulse-border {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.4);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(255, 59, 48, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 59, 48, 0);
  }
}

@keyframes pulse-dot {
  0% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
  100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
}

@keyframes pulse-badge {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); box-shadow: 0 0 15px var(--accent-red-glow); }
  100% { transform: scale(1); }
}

/* Fade in Scroll Animations classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* Responsive Adjustments */
@media (max-width: 992px) {
  h1 { font-size: 2.15rem; }
  h2 { font-size: 1.75rem; }
  .section { padding: 6rem 0; }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    flex-direction: column;
    padding: 3rem 1.5rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--transition-normal) ease-in-out;
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1.2rem;
    width: 100%;
    text-align: center;
  }
  
  .nav-actions {
    margin-left: auto;
    margin-right: 1rem;
  }
  
  .btn-nav-urgency {
    display: none; /* Hide on small screens and use ticker/hero action instead */
  }

  .section {
    padding: 3.5rem 0;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  
  .footer-legal-links {
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 576px) {
  .nav-container {
    height: 64px;
    padding: 0 1rem;
  }
  
  .logo-img {
    height: 34px;
  }
  
  .theme-toggle, .hamburger {
    width: 40px;
    height: 40px;
  }
  
  .nav-menu {
    top: 64px;
    height: calc(100vh - 64px);
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .hamburger span:nth-child(2) {
    width: 18px;
    right: 6px;
  }
}