/* FlirtBirds Landing Page - Professional Minimalist Design */

:root {
  /* Brand Colors - Extracted from traced logo */
  --color-primary: #F5075B;
  --color-secondary: #F62233;
  --color-accent: #FD8B29;
  --color-dark: #0A0A0A;
  --color-light: #FFF;
  --color-trust: #4A90E2;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #D00173 0%, #DB0650 50%, #E37821 100%);
  --gradient-hover: linear-gradient(135deg, #B8015E 0%, #C20545 50%, #CB6A1D 100%);
  --gradient-overlay: linear-gradient(180deg, rgb(10 10 10 / 2%) 0%, rgb(10 10 10 / 1%) 100%);
  
  /* Neutral Colors - Modern Palette */
  --color-gray-50: #FAFAFA;
  --color-gray-100: #F5F5F5;
  --color-gray-200: #E0E0E0;
  --color-gray-300: #BDBDBD;
  --color-gray-600: #757575;
  --color-gray-700: #616161;
  --color-gray-800: #424242;
  --color-gray-900: #212121;
  
  /* Typography - Dating-optimized fonts */
  --font-heading: 'Playfair Display', georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, blinkmacsystemfont, 'Segoe UI', system-ui, sans-serif;
  
  /* Spacing - 8px base */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Border Radius - Subtle */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows - Refined */
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 4%);
  --shadow-md: 0 4px 12px rgb(0 0 0 / 8%);
  --shadow-lg: 0 8px 24px rgb(0 0 0 / 12%);
  --shadow-xl: 0 16px 48px rgb(0 0 0 / 16%);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-light);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  text-shadow: 0 1px 2px rgb(255 255 255 / 30%);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

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

p {
  margin-bottom: 1rem;
  text-shadow: 0 1px 2px rgb(255 255 255 / 30%);
}

/* Marker Highlight Effect - Highlighter pen style */
em {
  margin: 0 -0.4em;
  padding: 0 0.4em;
  border-radius: 0 0.9em;
  background: transparent;
  background-image: linear-gradient( to right, rgb(252 114 40 / 0%), rgb(229 1 101) 20%, rgb(251 128 39 / 20%) );
  box-decoration-break: clone;
  font-style: normal;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xl) 0;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgb(255 255 255 / 98%);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.navbar {
  padding: 1.25rem 0;
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}

.logo-link .logo-text,
.logo-link span {
  font-family: var(--font-heading);
}

.brand-name {
  font-family: var(--font-heading);
}

.logo {
  width: 60px;
  height: 60px;
  transition: transform var(--transition-base);
}

.logo-link:hover .logo {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-gray-700);
  transition: color 0.25s ease;
}

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

/* Language Switcher */
.language-switcher {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.875rem;
}

.lang-active {
  font-weight: 600;
  color: var(--color-dark);
}

.lang-link {
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.lang-link:hover {
  color: var(--color-primary);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  background: white;
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-gray-200);
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

.mobile-nav-link {
  padding: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
  background: var(--color-gray-100);
  color: var(--color-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-size: 0.9375rem;
  text-align: center;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
  text-shadow: 0 1px 2px rgb(0 0 0 / 20%);
}

.btn-primary:hover {
  background: var(--gradient-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.btn-small {
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  overflow: hidden;
  background: var(--color-dark);
}

.hero-background {
  position: absolute;
  inset: 0;
  background: var(--color-dark);
  z-index: 0;
  transition: opacity 1.2s ease-in-out;
  opacity: 0;
}

.hero-mask-container {
  position: absolute;
  bottom: 0;
  left: 0;
  transform: none;
  width: 30%;
  height: 30%;
  z-index: 1;
  pointer-events: none;
}

.hero-bird-mask {
  display: none;
}

.masked-background {
  position: absolute;
  inset: 0;
  mask-image: url('/logo.svg');
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  background-size: cover;
  background-position: center;
  transition: opacity 1.2s ease-in-out;
  opacity: 0;
  filter: drop-shadow(0 20px 60px rgb(0 0 0 / 50%));
}

.gradient-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  z-index: 3;
  pointer-events: none;
}

.photo-credit {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 20;
  font-size: 0.75rem;
  color: rgb(255 255 255 / 40%);
  text-shadow: 0 1px 2px rgb(0 0 0 / 50%);
  display: none;
}

.photo-credit a {
  color: rgb(255 255 255 / 50%);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.photo-credit a:hover {
  color: rgb(255 255 255 / 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
  max-width: 800px;
}

.hero-content h1,
.hero-content h2,
.hero-content h3,
.hero-content p,
.hero-content .hero-subtitle,
.hero-content .trust-badge {
  text-shadow: 0 1px 3px rgb(0 0 0 / 40%);
}

.hero-logo {
  margin-bottom: var(--spacing-md);
  animation: fade-in-down 0.8s ease;
}

.hero-logo img {
  margin: 0 auto;
  filter: drop-shadow(0 20px 20px rgb(0 0 0 / 90%));
}

.hero-slogan {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  animation: fade-in-up 0.8s ease 0.1s both;
  text-shadow: 0 2px 8px rgb(0 0 0 / 30%);
}

.hero-title {
  margin-bottom: var(--spacing-sm);
  animation: fade-in-up 0.8s ease 0.2s both;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  margin-bottom: var(--spacing-lg);
  color: rgb(255 255 255 / 92%);
  font-weight: 400;
  animation: fade-in-up 0.8s ease 0.4s both;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
  animation: fade-in-up 0.8s ease 0.6s both;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgb(255 255 255 / 12%);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-full);
  border: 1px solid rgb(255 255 255 / 18%);
  font-size: 0.875rem;
  animation: fade-in-up 0.8s ease 0.8s both;
}

.icon-check {
  color: var(--color-accent);
}

@keyframes fade-in-down {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Value Proposition Section */
.value-prop {
  background: var(--color-light);
}

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

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

.feature-card {
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-primary);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.feature-icon {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.feature-card h3 {
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-gray-700);
  margin-bottom: 0;
  font-size: 0.9375rem;
}

/* How It Works Section */
.how-it-works {
  background: var(--color-gray-50);
}

.steps-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  max-width: 800px;
  margin: var(--spacing-lg) auto 0;
}

.step {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.step-content h3 {
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--color-gray-700);
  margin-bottom: 0;
  font-size: 0.9375rem;
}

/* Events Preview Section */
.events-preview {
  background: var(--color-light);
  text-align: center;
}

.event-teaser {
  max-width: 800px;
  margin: 0 auto;
}

.teaser-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
}

.event-description {
  font-size: 1.0625rem;
  color: var(--color-gray-700);
  margin: var(--spacing-md) 0;
}

.event-highlights {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.highlight {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.5rem;
  background: white;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary);
  font-weight: 500;
  font-size: 0.9375rem;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.highlight .icon {
  color: var(--color-primary);
}

/* Signup Section */
.signup-section {
  background: var(--color-gray-50);
}

.signup-card {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.signup-title {
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.signup-description {
  color: var(--color-gray-700);
  font-size: 1.0625rem;
  margin-bottom: var(--spacing-md);
}

.signup-form {
  margin-top: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.form-input {
  flex: 1;
  min-width: 200px;
  padding: 1rem 1.5rem;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: 1rem;
  transition: all var(--transition-base);
  font-family: var(--font-body);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(255 27 141 / 8%);
}

.form-input::placeholder {
  color: var(--color-gray-600);
}

.privacy-notice {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-top: var(--spacing-sm);
}

.gdpr-consent {
  margin-top: var(--spacing-sm);
  text-align: left;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-text {
  font-size: 0.875rem;
  color: var(--color-gray-700);
  line-height: 1.5;
}

.checkbox-text a {
  color: var(--color-primary);
  text-decoration: underline;
}

.checkbox-text a:hover {
  color: var(--color-secondary);
}

.form-success {
  padding: var(--spacing-md);
  background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
  color: white;
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-md);
}

.form-success.hidden {
  display: none;
}

.success-icon {
  color: white;
  margin: 0 auto var(--spacing-sm);
  display: block;
}

.form-success h3 {
  color: white;
  margin-bottom: 0.5rem;
}

.form-success p {
  margin-bottom: 0;
  opacity: 0.95;
}

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

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

.testimonial-card {
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: var(--spacing-sm);
  color: #FFA500;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-sm);
  font-style: italic;
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-dark);
  font-size: 0.875rem;
  font-style: normal;
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: rgb(255 255 255 / 80%);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: var(--spacing-sm);
}

.footer-logo h3 {
  margin-bottom: 0;
  color: white;
}

.footer-tagline {
  color: rgb(255 255 255 / 60%);
  margin-bottom: var(--spacing-sm);
  font-size: 0.9375rem;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgb(255 255 255 / 8%);
  border-radius: 50%;
  transition: all var(--transition-base);
}

.social-links a:hover {
  background: var(--gradient-primary);
  transform: translateY(-3px);
}

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

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgb(255 255 255 / 60%);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgb(255 255 255 / 10%);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.copyright {
  color: rgb(255 255 255 / 50%);
  font-size: 0.875rem;
}

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

.badge {
  padding: 0.5rem 1rem;
  background: rgb(255 255 255 / 8%);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Responsive Design */
@media (width <= 768px) {
  .nav-links,
  .language-switcher {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero {
    min-height: 90vh;
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .form-group {
    flex-direction: column;
  }
  
  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .step {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  section {
    padding: var(--spacing-lg) 0;
  }
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* Legal pages */
.legal-page {
  padding: var(--spacing-xl) 0;
  background: var(--color-gray-50);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.legal-content h1 {
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.legal-content h2 {
  color: var(--color-gray-800);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.legal-content h3 {
  color: var(--color-gray-700);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  font-size: 1.25rem;
}

.legal-content p,
.legal-content ul,
.legal-content ol {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
  color: var(--color-gray-700);
}

.legal-content ul,
.legal-content ol {
  margin-left: var(--spacing-md);
}

.legal-content li {
  margin-bottom: 0.5rem;
}

.legal-content strong {
  color: var(--color-gray-800);
  font-weight: 600;
}

.legal-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.legal-content a:hover {
  color: var(--color-secondary);
}

.legal-footer {
  max-width: 800px;
  margin: var(--spacing-md) auto 0;
  text-align: center;
}

.back-link a {
  color: var(--color-gray-600);
  text-decoration: none;
  transition: color var(--transition-base);
}

.back-link a:hover {
  color: var(--color-primary);
}

@media (width <= 768px) {
  .legal-content {
    padding: var(--spacing-md);
  }
}