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

:root {
  --primary-color: #007aff;
  --secondary-color: #5856d6;
  --accent-color: #ff9500;
  --text-dark: #1d1d1f;
  --text-light: #6e6e73;
  --bg-light: #f5f5f7;
  --bg-white: #ffffff;
  --border-color: #d2d2d7;
  --success-color: #34c759;
  --premium-color: #ffd700;
  --danger-color: #ff3b30;
  --warning-color: #ff9500;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  text-decoration: none;
}

.logo-icon {
  font-size: 2rem;
}

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

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

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

/* Buttons */
.btn-primary {
  background: var(--primary-color);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-block;
}

.btn-primary:hover {
  background: #0051d5;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 122, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--primary-color);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-block;
}

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

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

/* Hero Section */
.hero {
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: 90vh;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  animation: badge_pulse 2s infinite;
}

@keyframes badge_pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.highlight {
  color: var(--primary-color);
  position: relative;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(0, 122, 255, 0.1) 50%,
    transparent 100%
  );
}

.hero-description {
  font-size: 1.3rem;
  color: var(--text-dark);
  margin-bottom: 2rem;
}

.hero-description strong {
  color: var(--text-dark);
  font-weight: 700;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-pulse {
  animation: pulse_button 2s infinite;
}

@keyframes pulse_button {
  0%,
  100% {
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
  }
  50% {
    box-shadow: 0 8px 30px rgba(0, 122, 255, 0.6);
  }
}

.btn-subtitle {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.9;
  margin-top: 0.25rem;
}

.trust-signals {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--success-color);
  font-weight: 600;
  font-size: 0.95rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

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

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

.phone-mockup {
  width: 300px;
  height: 600px;
  background: linear-gradient(145deg, #1d1d1f, #2d2d2f);
  border-radius: 40px;
  padding: 15px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  position: relative;
  animation: float 3s ease-in-out infinite;
}

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

.phone-screen {
  width: 100%;
  height: 100%;
  background: white;
  border-radius: 30px;
  overflow: hidden;
}

.app-preview {
  padding: 2rem 1.5rem;
}

.preview-header {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.preview-words {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.word {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 0.75rem;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
}

.preview-contact {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-light);
  border-radius: 12px;
}

.contact-avatar {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.contact-name {
  font-weight: 600;
  color: var(--text-dark);
}

.contact-status {
  font-size: 0.9rem;
  color: var(--success-color);
}

/* Social Proof */
.social-proof {
  padding: 4rem 2rem;
  background: white;
}

.social-proof-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.social-proof-content h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 3rem;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 20px;
  text-align: left;
}

.testimonial-stars {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.testimonial p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-style: italic;
}

.testimonial-author {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 600;
}

/* Problem/Solution */
.problem-solution {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #fff5f5 0%, #f0f9ff 100%);
}

.problem-solution-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.problem,
.solution {
  padding: 2rem;
}

.problem h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--danger-color);
}

.solution h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--success-color);
}

.problem-list,
.solution-list {
  list-style: none;
  padding: 0;
}

.problem-list li,
.solution-list li {
  padding: 1rem;
  margin-bottom: 1rem;
  background: white;
  border-radius: 12px;
  font-size: 1.1rem;
  line-height: 1.5;
}

.problem-list li {
  border-left: 4px solid var(--danger-color);
}

.solution-list li {
  border-left: 4px solid var(--success-color);
}

/* Features Section */
.features {
  padding: 6rem 2rem;
  background: var(--bg-light);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.3rem;
  color: var(--text-light);
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* How it works */
.how-it-works {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.steps {
  display: grid;
  gap: 3rem;
  margin-top: 3rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
}

.step-content h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Security Section */
.security {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, var(--text-dark), #2d2d2f);
  color: white;
}

.security-content {
  max-width: 1000px;
  margin: 0 auto;
}

.security-content h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 3rem;
  text-align: center;
}

.security-features {
  display: grid;
  gap: 2rem;
}

.security-item {
  display: flex;
  align-items: start;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.security-icon {
  font-size: 2.5rem;
}

.security-item h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.security-item p {
  color: rgba(255, 255, 255, 0.7);
}

/* Premium Section */
.premium {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #fff9e6 0%, #f0f9ff 100%);
}

.premium-card {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  padding: 3rem;
  border-radius: 30px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  text-align: center;
  border: 3px solid var(--premium-color);
}

.premium-urgency {
  background: linear-gradient(
    135deg,
    var(--warning-color),
    var(--danger-color)
  );
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 15px;
  font-weight: 700;
  margin-bottom: 1.5rem;
  animation: urgency_shake 3s infinite;
}

@keyframes urgency_shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-2px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(2px);
  }
}

.premium-badge {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.premium-card h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.premium-subtitle {
  color: var(--text-dark);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  font-weight: 600;
}

.premium-value {
  background: linear-gradient(135deg, #fff9e6, #fffaec);
  padding: 1.5rem;
  border-radius: 15px;
  margin-bottom: 2rem;
  border-left: 4px solid var(--premium-color);
}

.value-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
}

.value-icon {
  font-size: 2.5rem;
}

.value-text strong {
  color: var(--text-dark);
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.25rem;
}

.value-text p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.premium-features {
  text-align: left;
  margin-bottom: 2rem;
}

.premium-feature {
  display: flex;
  align-items: start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

.premium-feature:last-child {
  border-bottom: none;
}

.check {
  color: var(--success-color);
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
}

.premium-price {
  margin-bottom: 2rem;
}

.price-options-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 600px;
  margin: 0 auto;
}

.price-option-card {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: 20px;
  border: 2px solid var(--border-color);
  text-align: center;
  transition: all 0.3s;
  position: relative;
}

.price-option-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.price-option-card.recommended-card {
  background: linear-gradient(135deg, #fff9e6, #fffaec);
  border: 3px solid var(--premium-color);
  transform: scale(1.05);
}

.price-option-card.recommended-card:hover {
  transform: scale(1.05) translateY(-5px);
}

.recommended-badge-top {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--premium-color), #ffe14d);
  color: var(--text-dark);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.price-card-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.price-amount {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

.price-period {
  display: block;
  font-size: 1rem;
  color: var(--text-light);
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.price-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.price-feature-mini {
  font-size: 0.9rem;
  color: var(--success-color);
  font-weight: 600;
  text-align: center;
}

.premium-note {
  margin-top: 1rem;
  color: var(--text-light);
  font-size: 0.95rem;
  font-weight: 500;
}

/* Final CTA */
.final-cta {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, var(--text-dark), #2d2d2f);
  color: white;
}

.final-cta-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.final-cta-content h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.final-cta-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-urgency {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1.5rem;
  border-radius: 20px;
  margin-bottom: 2rem;
  font-weight: 600;
}

.urgency-icon {
  font-size: 1.5rem;
  animation: flash 1.5s infinite;
}

@keyframes flash {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.btn-mega {
  font-size: 1.3rem;
  padding: 1.5rem 3rem;
  margin-bottom: 2rem;
}

.cta-benefits {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-benefit {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
}

/* Download Section */
.download {
  padding: 6rem 2rem;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
}

.download-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.download-content h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.download-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.download-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.download-stat {
  background: rgba(255, 255, 255, 0.15);
  padding: 0.75rem 1.5rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 1.1rem;
}

.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: white;
  color: var(--text-dark);
  padding: 1rem 2rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s;
}

.btn-appstore:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.download-note {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  opacity: 0.8;
}

/* Footer */
footer {
  background: var(--text-dark);
  color: white;
  padding: 4rem 2rem 2rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.footer-section a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.footer-section a:hover {
  color: white;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  font-size: 1.2rem;
  transition: all 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 6rem 1.5rem 2rem;
    min-height: auto;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

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

  .trust-signals {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .phone-mockup {
    width: 250px;
    height: 500px;
  }

  .nav-links {
    display: none;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

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

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

  .problem-solution-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .step {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

  .price-options-dual {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .price-option-card.recommended-card {
    transform: scale(1);
  }

  .price-option-card.recommended-card:hover {
    transform: scale(1) translateY(-5px);
  }

  .price-amount {
    font-size: 2.5rem;
  }

  .final-cta-content h2 {
    font-size: 2rem;
  }

  .final-cta-subtitle {
    font-size: 1.1rem;
  }

  .cta-benefits {
    flex-direction: column;
    gap: 1rem;
  }

  .download-stats {
    flex-direction: column;
    gap: 0.75rem;
  }
}