/* Swift Dating - Premium Design System */
:root {
  --primary: #e91e63;
  --primary-dark: #c2185b;
  --primary-light: #f8bbd9;
  --secondary: #7c4dff;
  --accent: #ff6b9d;
  --dark: #1a1a2e;
  --dark-light: #16213e;
  --gray-900: #0f0f23;
  --gray-800: #1f1f3a;
  --gray-600: #3d3d5c;
  --gray-400: #6b6b8a;
  --gray-200: #b8b8d0;
  --gray-100: #e8e8f0;
  --white: #ffffff;
  --gradient-primary: linear-gradient(135deg, #e91e63 0%, #7c4dff 100%);
  --gradient-dark: linear-gradient(180deg, #1a1a2e 0%, #0f0f23 100%);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 30px rgba(233, 30, 99, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--dark);
  color: var(--gray-200);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

/* Header */
header {
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(233, 30, 99, 0.2);
}

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

.logo {
  font-size: 24px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--gray-200);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s ease;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn svg {
  width: 28px;
  height: 28px;
  color: var(--gray-200);
}

/* Hero Section */
.hero {
  background: var(--gradient-dark);
  padding: 120px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(233, 30, 99, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(124, 77, 255, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-200) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.hero p {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--gray-400);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* CTA Buttons */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  gap: 8px;
}

.cta-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(233, 30, 99, 0.4);
}

.cta-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--gray-600);
}

.cta-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cta-floating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  padding: 14px 28px;
  font-size: 15px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: pulse 2s infinite;
}

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

/* Sections */
section {
  padding: 80px 0;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--gray-400);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto 60px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.feature-card {
  background: var(--gray-800);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-600);
  transition: all 0.3s ease;
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: white;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
}

.feature-card p {
  color: var(--gray-400);
  line-height: 1.7;
}

/* How It Works */
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

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

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: white;
  margin: 0 auto 24px;
  box-shadow: var(--shadow-glow);
}

.step h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--white);
}

.step p {
  color: var(--gray-400);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.testimonial-card {
  background: var(--gray-800);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-600);
}

.testimonial-text {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 24px;
  color: var(--gray-200);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

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

.author-location {
  font-size: 14px;
  color: var(--gray-400);
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.blog-card {
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-600);
  transition: all 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.blog-image {
  width: 100%;
  height: 200px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-image svg {
  width: 64px;
  height: 64px;
  color: rgba(255, 255, 255, 0.3);
}

.blog-content {
  padding: 24px;
}

.blog-tag {
  display: inline-block;
  background: rgba(233, 30, 99, 0.2);
  color: var(--primary-light);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blog-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
  line-height: 1.4;
}

.blog-content p {
  color: var(--gray-400);
  margin-bottom: 20px;
  line-height: 1.7;
}

/* FAQ */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--gray-800);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  border: 1px solid var(--gray-600);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 18px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s ease;
}

.faq-question:hover {
  background: var(--gray-600);
}

.faq-question svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-question.active svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--gray-400);
  line-height: 1.7;
}

.faq-answer.open {
  padding: 0 24px 24px;
  max-height: 500px;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 60px auto 0;
  background: var(--gray-800);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-600);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--gray-200);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--gray-900);
  border: 1px solid var(--gray-600);
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: 16px;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
footer {
  background: var(--gray-900);
  padding: 60px 0 30px;
  margin-top: 100px;
  border-top: 1px solid var(--gray-600);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--gray-600);
  color: var(--gray-400);
  font-size: 14px;
}

/* Blog Article */
.article-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.9;
}

.article-content h2 {
  font-size: 28px;
  margin: 40px 0 20px;
  color: var(--white);
}

.article-content h3 {
  font-size: 22px;
  margin: 32px 0 16px;
  color: var(--white);
}

.article-content p {
  margin-bottom: 20px;
  color: var(--gray-200);
}

.article-content ul,
.article-content ol {
  margin: 20px 0;
  padding-left: 24px;
  color: var(--gray-200);
}

.article-content li {
  margin-bottom: 12px;
}

.article-content a {
  color: var(--primary);
  text-decoration: none;
}

.article-content a:hover {
  text-decoration: underline;
}

.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  margin-bottom: 30px;
  transition: gap 0.2s ease;
}

.back-to-blog:hover {
  gap: 12px;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--dark);
  padding: 20px;
  border-bottom: 1px solid var(--gray-600);
  box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-menu-links a {
  color: var(--gray-200);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-600);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

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

  .hero {
    padding: 80px 0 60px;
  }

  .section-title {
    font-size: 28px;
  }

  section {
    padding: 60px 0;
  }

  .cta-floating {
    bottom: 16px;
    right: 16px;
    padding: 12px 24px;
    font-size: 14px;
  }

  .features-grid,
  .steps-container,
  .testimonials-grid,
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-form {
    padding: 24px;
  }
}

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

.mt-4 {
  margin-top: 24px;
}

.mb-4 {
  margin-bottom: 24px;
}

/* Schema.org hidden */
[itemscope] {
  display: none;
}
