/* Askcrates Landing Page Styles */
/* Brand colors: Turquoise #3DD4C4, Violet #5B4BA8, Yellow #F4D35E */

/* ===== CSS Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Brand Colors */
  --brand-turquoise: #3DD4C4;
  --brand-violet: #5B4BA8;
  --brand-yellow: #F4D35E;
  
  /* Light Mode Colors */
  --color-bg: #FAFAFA;
  --color-bg-secondary: #E8E8F0;
  --color-text: #2D2D3A;
  --color-text-secondary: #6B6B7B;
  --color-border: #E0E0E8;
  --color-card-bg: #FFFFFF;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Max Width */
  --max-width: 1200px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1A1A24;
    --color-bg-secondary: #2D2D3A;
    --color-text: #FAFAFA;
    --color-text-secondary: #B0B0C0;
    --color-border: #3A3A4A;
    --color-card-bg: #252532;
  }
  
  .logo-light {
    display: none;
  }
  
  .logo-dark {
    display: block;
  }
  
  /* Header mit hellerem Hintergrund im Dark Mode */
  .header {
    background: rgba(250, 250, 250, 0.98);
    border-bottom: 1px solid #E0E0E8;
  }
  
  .nav-link,
  .mobile-nav-link,
  .lang-btn {
    color: #2D2D3A;
  }
  
  .lang-btn {
    background: #E8E8F0;
    border-color: #E0E0E8;
  }
}

@media (prefers-color-scheme: light) {
  .logo-dark {
    display: none;
  }
  
  .logo-light {
    display: block;
  }
}

/* ===== Typography ===== */
body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--brand-violet);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--brand-turquoise);
}

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-block;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-turquoise);
  color: #FFFFFF;
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-primary:hover {
  background: var(--brand-violet);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: transparent;
  color: var(--brand-violet);
  border: 2px solid var(--brand-violet);
  padding: 12px 26px;
  font-size: 1rem;
}

.btn-secondary:hover {
  background: var(--brand-violet);
  color: #FFFFFF;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  background: var(--color-card-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.logo img {
  height: 60px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--brand-turquoise);
}

/* Language Switcher */
.language-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  background: var(--color-bg);
  border-color: var(--brand-turquoise);
}

.flag {
  font-size: 1.2rem;
  line-height: 1;
}

.arrow {
  font-size: 0.7rem;
  transition: transform var(--transition-fast);
}

.lang-btn.active .arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.lang-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: 12px 16px;
  background: none;
  border: none;
  font-family: 'Poppins', sans-serif;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-align: left;
}

.lang-option:hover {
  background: var(--color-bg-secondary);
}

.lang-option:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.lang-option:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-menu {
  display: none;
  background: var(--color-card-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  flex-direction: column;
  gap: var(--spacing-md);
}

.mobile-menu.show {
  display: flex;
}

.mobile-nav-link {
  font-weight: 500;
  color: var(--color-text);
  padding: var(--spacing-sm) 0;
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--brand-turquoise);
}

.btn-mobile {
  margin-top: var(--spacing-sm);
}

/* ===== Hero Section ===== */
.hero {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.hero-title {
  background: linear-gradient(135deg, var(--brand-violet) 0%, var(--brand-turquoise) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

/* Hero CTA Buttons */
.hero-cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-cta-btn {
  text-decoration: none;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 400px;
}

.visual-card {
  position: absolute;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: float 3s ease-in-out infinite;
}

.visual-card .card-icon {
  font-size: 2rem;
}

.visual-card .card-text {
  font-weight: 600;
  color: var(--color-text);
}

.card-1 {
  top: 20px;
  left: 0;
  animation-delay: 0s;
}

.card-2 {
  top: 150px;
  right: 40px;
  animation-delay: 0.5s;
}

.card-3 {
  bottom: 40px;
  left: 40px;
  animation-delay: 1s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Forms */
.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 500px;
}

.waitlist-form-inline {
  flex-direction: row;
  max-width: 700px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-input {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  padding: 14px 18px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--brand-turquoise);
}

.form-input::placeholder {
  color: var(--color-text-secondary);
}

.form-disclaimer {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin: 0;
}

/* Success Message */
.success-message {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  border: 2px solid var(--brand-turquoise);
}

.success-icon {
  width: 60px;
  height: 60px;
  background: var(--brand-turquoise);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: bold;
  margin: 0 auto var(--spacing-md);
}

.success-message h3 {
  color: var(--brand-turquoise);
  margin-bottom: var(--spacing-sm);
}

.success-message p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* ===== Sections ===== */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Problem Section */
.problem-section {
  background: var(--color-card-bg);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.problem-card {
  background: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition-normal);
}

.problem-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.problem-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.problem-card h3 {
  margin-bottom: var(--spacing-md);
}

.problem-card p {
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* How It Works Section */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--brand-violet) 0%, var(--brand-turquoise) 100%);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content {
  background: var(--color-card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.step-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.step-content h3 {
  margin-bottom: var(--spacing-sm);
}

.step-content p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* Benefits Section */
.benefits {
  background: var(--color-card-bg);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.benefit-card {
  background: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.benefit-card:hover {
  border-color: var(--brand-turquoise);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
  color: var(--brand-violet);
  margin-bottom: var(--spacing-md);
}

.benefit-card p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* Testimonials Section */
.testimonials {
  background: var(--color-bg);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background: var(--color-card-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.testimonial-text {
  font-size: 1.125rem;
  color: var(--color-text);
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-avatar {
  width: 50px;
  height: 50px;
  background: var(--color-bg-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.author-name {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.author-role {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--brand-violet) 0%, var(--brand-turquoise) 100%);
  color: #FFFFFF;
  text-align: center;
}

.cta-title {
  color: #FFFFFF;
}

.cta-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
}

/* Footer */
.footer {
  background: var(--color-bg-secondary);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--spacing-xxl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo img {
  height: 50px;
  width: auto;
  margin-bottom: var(--spacing-md);
}

.footer-tagline {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.footer-column a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--brand-turquoise);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-lg);
  z-index: 10000;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cookie-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.cookie-content p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text);
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

/* Exit Popup */
.exit-popup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.exit-popup-content {
  background: var(--color-card-bg);
  padding: var(--spacing-xxl);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 90%;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.exit-popup-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
}

.exit-popup-close:hover {
  color: var(--color-text);
}

.exit-popup-content h3 {
  text-align: center;
  color: var(--brand-violet);
}

.exit-popup-content p {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .hero-visual {
    height: 300px;
  }
  
  .visual-card {
    padding: var(--spacing-md);
  }
  
  .card-2 {
    right: 0;
  }
  
  .waitlist-form-inline {
    flex-direction: column;
  }
  
  .problem-grid,
  .benefits-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-buttons {
    width: 100%;
  }
  
  .cookie-buttons button {
    flex: 1;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--spacing-xl) 0;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .problem-card,
  .benefit-card,
  .step-content {
    padding: var(--spacing-lg);
  }
  
  .step {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .step-number {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
    margin: 0 auto;
  }
}

/* Accessibility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus States */
*:focus-visible {
  outline: 2px solid var(--brand-turquoise);
  outline-offset: 2px;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Reduce Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Loading State */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--brand-turquoise);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}