* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #FFD93D;
  --primary-dark: #F4C430;
  --secondary: #FF6B9D;
  --accent: #6BCB77;
  --dark: #1a1a1a;
  --gray: #6b7280;
  --light-gray: #f3f4f6;
  --white: #ffffff;
  --text: #1f2937;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 800;
  color: var(--dark);
  cursor: pointer;
}

.logo-icon {
  font-size: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  width: 24px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: var(--dark);
  padding: 12px 24px;
  border-radius: 12px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 16px;
}

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

.btn-secondary {
  background: transparent;
  color: var(--dark);
  padding: 12px 24px;
  border-radius: 12px;
  border: 2px solid var(--dark);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 16px;
}

.btn-secondary:hover {
  background: var(--dark);
  color: var(--white);
}

.btn-large {
  padding: 16px 32px;
  font-size: 18px;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #FFF9E6 0%, #FFF 100%);
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--dark);
}

.highlight {
  color: var(--secondary);
  position: relative;
}

.hero-description {
  font-size: 20px;
  color: var(--gray);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--dark);
}

.stat-label {
  font-size: 14px;
  color: var(--gray);
}

/* Phone Mockup */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.phone-mockup {
  width: 300px;
  height: 600px;
  background: var(--dark);
  border-radius: 40px;
  padding: 12px;
  box-shadow: var(--shadow-lg);
  animation: float 3s ease-in-out infinite;
}

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

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #FFE5F0 0%, #FFF5E6 100%);
  border-radius: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.profile-card {
  width: 100%;
  height: 480px;
  background: var(--white);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: cardSlide 4s ease-in-out infinite;
}

@keyframes cardSlide {
  0%, 100% {
    transform: translateX(0) rotate(0deg);
  }
  25% {
    transform: translateX(-5px) rotate(-2deg);
  }
  75% {
    transform: translateX(5px) rotate(2deg);
  }
}

.card-image {
  width: 100%;
  height: 360px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.card-info {
  padding: 16px;
}

.card-info h3 {
  font-size: 24px;
  margin-bottom: 8px;
}

.card-info p {
  color: var(--gray);
  font-size: 14px;
}

.card-actions {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 16px;
}

.action-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  font-size: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.action-btn.pass {
  background: #FFE5E5;
  color: #FF4444;
}

.action-btn.like {
  background: #FFE5F0;
  color: var(--secondary);
}

.action-btn:hover {
  transform: scale(1.1);
}

/* Features Section */
.features {
  padding: 80px 0;
  background: var(--white);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--dark);
}

.section-header p {
  font-size: 20px;
  color: var(--gray);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  padding: 32px;
  background: var(--light-gray);
  border-radius: 16px;
  transition: all 0.3s ease;
}

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

.feature-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--dark);
}

.feature-card p {
  color: var(--gray);
  line-height: 1.8;
}

/* How It Works */
.how-it-works {
  padding: 80px 0;
  background: linear-gradient(135deg, #FFF9E6 0%, #FFF 100%);
}

.steps {
  display: flex;
  gap: 48px;
  margin-top: 60px;
}

.step {
  flex: 1;
  display: flex;
  gap: 24px;
  padding: 32px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

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

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--dark);
}

.step-content p {
  color: var(--gray);
  line-height: 1.8;
}

/* Testimonials */
.testimonials {
  padding: 80px 0;
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  padding: 32px;
  background: var(--light-gray);
  border-radius: 16px;
  transition: all 0.3s ease;
}

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

.testimonial-content {
  position: relative;
  margin-bottom: 24px;
}

.quote {
  font-size: 80px;
  color: var(--primary);
  line-height: 0.5;
  margin-bottom: 16px;
  font-family: Georgia, serif;
}

.testimonial-content p {
  color: var(--text);
  line-height: 1.8;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 20px;
  font-weight: 700;
}

.testimonial-author h4 {
  font-size: 18px;
  margin-bottom: 4px;
  color: var(--dark);
}

.testimonial-author span {
  font-size: 14px;
  color: var(--gray);
}

/* Download Section */
.download {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
}

.download-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.download-text h2 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--white);
}

.download-text p {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  line-height: 1.8;
}

.download-buttons {
  display: flex;
  gap: 16px;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--white);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.btn-icon {
  font-size: 32px;
}

.download-btn small {
  display: block;
  font-size: 12px;
  color: var(--gray);
}

.download-btn strong {
  display: block;
  font-size: 18px;
  color: var(--dark);
}

.download-visual {
  position: relative;
  height: 300px;
}

.floating-emoji {
  position: absolute;
  font-size: 64px;
  animation: floatEmoji 3s ease-in-out infinite;
}

.floating-emoji:nth-child(1) {
  top: 0;
  left: 20%;
  animation-delay: 0s;
}

.floating-emoji:nth-child(2) {
  top: 20%;
  right: 20%;
  animation-delay: 0.5s;
}

.floating-emoji:nth-child(3) {
  bottom: 20%;
  left: 30%;
  animation-delay: 1s;
}

.floating-emoji:nth-child(4) {
  bottom: 0;
  right: 30%;
  animation-delay: 1.5s;
}

@keyframes floatEmoji {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-30px) rotate(10deg);
  }
}

/* Footer */
.footer {
  padding: 60px 0 24px;
  background: var(--dark);
  color: var(--white);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-column h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--white);
}

.footer-column a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 968px) {
  .nav-links {
    display: none;
  }

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

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-title {
    font-size: 48px;
  }

  .hero-cta {
    justify-content: center;
    flex-wrap: wrap;
  }

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

  .hero-image {
    order: -1;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    flex-direction: column;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .download-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .download-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .download-visual {
    display: none;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 36px;
  }

  .hero-description {
    font-size: 16px;
  }

  .section-header h2 {
    font-size: 32px;
  }

  .phone-mockup {
    width: 260px;
    height: 520px;
  }

  .profile-card {
    height: 420px;
  }

  .card-image {
    height: 300px;
  }

  .btn-large {
    padding: 14px 24px;
    font-size: 16px;
  }

  .download-text h2 {
    font-size: 32px;
  }

  .download-buttons {
    flex-direction: column;
  }
}