/* ====== CSS Variables ====== */
:root {
  --primary: #E91E63;
  --primary-dark: #C2185B;
  --primary-light: #F8BBD0;
  --secondary: #1565C0;
  --secondary-dark: #0D47A1;
  --accent: #43A047;
  --accent-dark: #2E7D32;

  --text-primary: #212121;
  --text-secondary: #757575;
  --text-light: #FFFFFF;
  --bg-light: #FFFFFF;
  --bg-light-secondary: #F5F5F5;
  --bg-dark: #212121;
  --border-light: #E0E0E0;

  --success: #4CAF50;
  --warning: #FFC107;
  --error: #F44336;
  --info: #2196F3;

  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  --gradient-dark: linear-gradient(135deg, var(--bg-dark) 0%, #37474F 100%);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-light);
  overflow-x: hidden;
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

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

.lead {
  font-size: 1.25rem;
  font-weight: 300;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ====== Layout & Containers ====== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ====== Header & Navigation ====== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-light);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md) 0;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo h1 {
  margin-bottom: 0;
  color: var(--primary);
  font-size: 1.8rem;
}

.logo span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: block;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.main-nav a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

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

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-normal);
}

.main-nav a:hover::after {
  width: 100%;
}

.auth-buttons {
  display: flex;
  gap: var(--space-sm);
}

/* ====== Buttons ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-normal);
  border: none;
  cursor: pointer;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-normal);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-light);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--gradient-primary);
  color: var(--text-light);
  box-shadow: var(--shadow-md);
}

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* ====== Hero Section ====== */
.hero {
  padding: var(--space-xxl) 0;
  position: relative;
  overflow: hidden;
  max-width: 1200px;
  border-radius: var(--radius-lg);
  align-items: center;
  margin: 0 auto;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin: var(--space-lg) 0;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.hero-cta {
  margin-top: var(--space-xl);
}

.cta-note {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: var(--space-sm);
}

.hero-visual {
  position: relative;
}

.mockup-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-10deg);
  transition: var(--transition-normal);
  background: var(--gradient-primary);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
}

.mockup-container:hover {
  transform: perspective(1000px) rotateY(0);
}

/* ====== Verification Badge ====== */
.verification-badge {
  background: var(--gradient-accent);
  color: var(--text-light);
  padding: var(--space-lg) 0;
  text-align: center;
  max-width: 1200px;
  border-radius: var(--radius-lg);
  align-items: center;
  margin: 0 auto;
}

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

.badge-icon {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
}

/* ====== Features Section ====== */
.features {
  padding: var(--space-xxl) 0;
  background-color: var(--bg-light-secondary);
  max-width: 1200px;
  border-radius: var(--radius-lg);
  align-items: center;
  margin: 0 auto;
}

.features h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

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

.feature-card {
  background: var(--bg-light);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  color: var(--primary);
}

/* ====== How It Works Section ====== */
.how-it-works {
  padding: var(--space-xxl) 0;
  max-width: 1200px;
  border-radius: var(--radius-lg);
  align-items: center;
  margin: 0 auto;
}

.how-it-works h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  color: var(--text-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
  position: relative;
  z-index: 1;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 30px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border-light);
  transform: translateX(50%);
  z-index: 0;
}

/* ====== Community Section ====== */
.community {
  padding: var(--space-xxl) 0;
  background-color: var(--bg-light-secondary);
  max-width: 1200px;
  border-radius: var(--radius-lg);
  align-items: center;
  margin: 0 auto;
}

.community h2 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.section-description {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  color: var(--text-secondary);
}

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

.community-feature {
  background: var(--bg-light);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.community-feature h3 {
  color: var(--secondary);
}

/* ====== Testimonials Section ====== */
.testimonials {
  padding: var(--space-xxl) 0;
  max-width: 1200px;
  border-radius: var(--radius-lg);
  align-items: center;
  margin: 0 auto;
}

.testimonials h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

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

.testimonial {
  background: var(--bg-light);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary-light);
  opacity: 0.3;
  line-height: 1;
}

.testimonial-content {
  position: relative;
  z-index: 1;
}

.testimonial-author {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  color: var(--primary);
}

.author-location {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ====== Final CTA Section ====== */
.final-cta {
  padding: var(--space-xxl) 0;
  background: var(--gradient-dark);
  color: var(--text-light);
  text-align: center;
  max-width: 1200px;
  border-radius: var(--radius-lg);
  align-items: center;
  margin: 0 auto;
}

.final-cta h2 {
  color: var(--text-light);
}

.final-cta p {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.privacy-note {
  margin-top: var(--space-lg);
  font-size: 0.9rem;
  opacity: 0.8;
}

/* ====== Footer ====== */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: var(--space-xl) 0 var(--space-md);
  align-items: center;
  margin: 0 auto;
}

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

.footer-section h3,
.footer-section h4 {
  color: var(--text-light);
  margin-bottom: var(--space-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--space-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

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

.footer-section a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-normal);
}

.footer-section a:hover::after {
  width: 100%;
}

.footer-section a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-normal);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ====== Animations ====== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

@keyframes pulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }

  100% {
    transform: scale(1);
  }
}

.animate-fadeIn {
  animation: fadeIn 1s ease forwards;
}

.animate-pulse {
  animation: pulse 2s infinite ease-in-out;
}

/* ====== Responsive Design ====== */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .badge-content {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
    gap: var(--space-md);
  }

  .main-nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .step:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 576px) {
  :root {
    --space-md: 0.75rem;
    --space-lg: 1.25rem;
    --space-xl: 1.75rem;
    --space-xxl: 2.5rem;
  }

  .auth-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 250px;
  }

  .btn {
    width: 100%;
  }
}

/* ====== Utility Classes ====== */
.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-1 {
  margin-top: var(--space-sm);
}

.mt-2 {
  margin-top: var(--space-md);
}

.mt-3 {
  margin-top: var(--space-lg);
}

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