:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F5F7FA;
  --text-primary: #1A1A2E;
  --text-secondary: #4A4A68;
  --color-primary: #FF1E8C;
  --color-primary-light: #FF4DA6;
  --color-secondary: #9D4EDD;
  --color-accent: #00D9FF;
  --color-success: #00E676;
  --color-warning: #FFD600;
  --color-danger: #FF3B3B;
  
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --border-radius-card: 20px;
  --border-radius-btn: 999px;
  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  background-image: linear-gradient(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.85)), url('/static/bg_abstract.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 16px;
}

h1 { font-size: 32px; }
h2 { font-size: 28px; }
h3 { font-size: 24px; }
p { font-size: 16px; margin-bottom: 16px; color: var(--text-secondary); }
.caption { font-size: 14px; color: var(--text-secondary); }

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

header {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  /* Diagonal stripes for text gradient */
  background: repeating-linear-gradient(45deg, var(--color-primary), var(--color-primary) 10px, var(--color-secondary) 10px, var(--color-secondary) 20px);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0;
}

/* Hero Section */
.hero {
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 24px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 40px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius-btn);
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  border: none;
  font-family: var(--font-family);
}

.btn-primary {
  /* Diagonal stripes for buttons */
  background: repeating-linear-gradient(-45deg, var(--color-primary), var(--color-primary) 15px, var(--color-primary-light) 15px, var(--color-primary-light) 30px);
  color: #FFF;
  box-shadow: 0 4px 16px rgba(255, 30, 140, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 30, 140, 0.5);
  background: repeating-linear-gradient(-45deg, var(--color-primary-light), var(--color-primary-light) 15px, var(--color-primary) 15px, var(--color-primary) 30px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(255, 30, 140, 0.1);
}

/* Content Sections */
.features {
  padding: 60px 0;
}

.feature-block {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 80px;
}

.feature-block:nth-child(even) {
  flex-direction: row-reverse;
}

.feature-text {
  flex: 1;
}

.feature-image-container {
  flex: 1;
}

.feature-image {
  width: 100%;
  border-radius: var(--border-radius-card);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
  display: block;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-card);
  padding: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-speed);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 217, 255, 0.1);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

/* Contact Form */
.contact-section {
  padding: 80px 0;
}

.contact-card {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-card);
  padding: 40px;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 16px;
  background-color: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  color: var(--text-primary);
  font-size: 16px;
  font-family: var(--font-family);
  transition: all var(--transition-speed);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 30, 140, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Alerts */
.alert {
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 24px;
  font-weight: 600;
  text-align: center;
}

.alert-success {
  background-color: rgba(0, 230, 118, 0.1);
  color: #00A650;
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.alert-error {
  background-color: rgba(255, 59, 59, 0.1);
  color: #D32F2F;
  border: 1px solid rgba(255, 59, 59, 0.3);
}

/* Footer */
footer {
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  margin-top: 40px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition-speed);
}

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

/* Decor */
.bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  /* Diagonal stripes glow in background */
  background: repeating-linear-gradient(45deg, rgba(255,30,140,0.05), rgba(255,30,140,0.05) 20px, rgba(157,78,221,0.05) 20px, rgba(157,78,221,0.05) 40px);
  border-radius: 50%;
  filter: blur(40px);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  pointer-events: none;
}

/* Page styles */
.page-header {
  text-align: center;
  padding: 60px 0 40px;
}

.page-content {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-card);
  padding: 40px;
  margin-bottom: 80px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }
  .hero p {
    font-size: 18px;
  }
  .contact-card, .page-content {
    padding: 24px;
  }
  .feature-block, .feature-block:nth-child(even) {
    flex-direction: column;
  }
}