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

:root {
  --primary: #ff6b6b;
  --primary-dark: #ee5a52;
  --primary-light: #ff8787;
  --background: #fffbf5;
  --surface: #ffffff;
  --border: #ffe5d9;
  --divider: #fff0e6;
  --text-primary: #2d3436;
  --text-secondary: #636e72;
  --text-tertiary: #b2bec3;
  --text-light: #ffffff;
  --success: #00b894;
  --error: #ff6b6b;
  --warning: #fdcb6e;
  --info: #74b9ff;
  --gradient: linear-gradient(135deg, #ff6b6b 0%, #ff8787 50%, #fdcb6e 100%);
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  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(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 16px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

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

.logo-text {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  font-size: 16px;
}

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

/* Hero Section */
.hero {
  padding: 160px 0 120px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(255, 107, 107, 0.1) 0%,
    transparent 70%
  );
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.hero-content {
  max-width: 600px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

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

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

.hero-description {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  font-size: 16px;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-light);
  box-shadow: 0 4px 20px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--divider);
  border-color: var(--primary-light);
}

.hero-visual {
  position: absolute;
  right: 10%;
  top: 50%;
  transform: translateY(-50%);
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: var(--text-primary);
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  border: 2px solid var(--border);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--background);
  border-radius: 24px;
  padding: 20px;
  overflow: hidden;
}

.mock-post {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  gap: 12px;
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mock-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  flex-shrink: 0;
}

.mock-content {
  flex: 1;
}

.mock-text {
  height: 12px;
  background: var(--divider);
  border-radius: 6px;
  margin-bottom: 8px;
}

.mock-text.short {
  width: 60%;
}

/* Features Section */
.features {
  padding: 120px 0;
  background: var(--surface);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-description {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s;
}

.feature-card:hover {
  background: var(--surface);
  border-color: var(--primary-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(255, 107, 107, 0.1);
}

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

.feature-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Levels Section */
.levels {
  padding: 120px 0;
  background: var(--background);
}

.levels-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.level-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

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

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

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

.level-badge-showcase {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.level-badge {
  background: var(--surface);
  border: 2px solid;
  border-radius: 20px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s;
}

.level-badge:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(255, 107, 107, 0.15);
}

.level-badge.starter {
  border-color: var(--info);
  background: linear-gradient(
    135deg,
    rgba(116, 185, 255, 0.1) 0%,
    rgba(116, 185, 255, 0.05) 100%
  );
}

.level-badge.rising {
  border-color: var(--primary);
  background: linear-gradient(
    135deg,
    rgba(255, 107, 107, 0.1) 0%,
    rgba(255, 107, 107, 0.05) 100%
  );
}

.level-badge.legend {
  border-color: var(--warning);
  background: linear-gradient(
    135deg,
    rgba(253, 203, 110, 0.1) 0%,
    rgba(253, 203, 110, 0.05) 100%
  );
}

.badge-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.badge-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.badge-level {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Download Section */
.download {
  padding: 120px 0;
  background: var(--surface);
}

.download-card {
  background: linear-gradient(
    135deg,
    rgba(255, 107, 107, 0.05) 0%,
    rgba(255, 135, 135, 0.05) 100%
  );
  border: 2px solid var(--border);
  border-radius: 32px;
  padding: 64px;
  text-align: center;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.store-button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  background: var(--text-primary);
  color: var(--text-light);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s;
}

.store-button:hover {
  background: var(--text-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45, 52, 54, 0.2);
}

.store-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.store-label {
  font-size: 12px;
  color: var(--text-tertiary);
}

.store-name {
  font-size: 18px;
  font-weight: 700;
}

/* Footer */
.footer {
  background: var(--background);
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 64px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 12px;
}

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

.footer-column h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-column a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 12px;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }

  .hero-content {
    max-width: 100%;
  }

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

@media (max-width: 768px) {
  .hero-title {
    font-size: 48px;
  }

  .section-title {
    font-size: 36px;
  }

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

  .nav-links {
    display: none;
  }

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

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

  .download-card {
    padding: 32px 24px;
  }

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

  .store-button {
    width: 100%;
    justify-content: center;
  }
}

.hero-visual {
  position: absolute;
  right: 10%;
  top: 50%;
  transform: translateY(-50%);
  will-change: transform;
}