/* CSS Variables for Premium Design System */
:root {
  --bg-dark: #0b0f19;
  --bg-card: rgba(17, 24, 39, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --gradient-main: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-bg: radial-gradient(circle at top, #1e1b4b 0%, #0b0f19 80%);
  --success-color: #10b981;
  --error-color: #ef4444;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  background-image: var(--gradient-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: 80px; /* offset for fixed navbar */
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center {
  text-align: center;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 22px;
}

.logo-icon {
  font-size: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition-smooth);
}

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

.portal-link-btn {
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 20px;
  background-color: rgba(255, 255, 255, 0.03);
}

.portal-link-btn:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--text-secondary);
}

/* Glassmorphism Card Primitives */
.glass-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.6);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
}

.btn-primary {
  background: var(--gradient-main);
  color: white;
  box-shadow: 0 4px 15px -3px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px -3px rgba(139, 92, 246, 0.6);
  opacity: 0.95;
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.btn-block {
  display: block;
  width: 100%;
}

/* Forms */
.form-input-group {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 600px;
}

.form-input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 8px;
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 15px;
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

/* Hero Section */
.hero {
  padding: 80px 0;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 60px;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 54px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

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

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 35px;
  max-width: 580px;
}

.hero-form {
  margin-bottom: 15px;
}

.form-helper {
  font-size: 13px;
  color: var(--text-muted);
}

/* Hero Newsletter Preview UI */
.preview-card {
  padding: 0;
  overflow: hidden;
}

.card-header {
  background-color: rgba(15, 23, 42, 0.8);
  padding: 15px 20px;
  display: flex;
  align-items: center;
  border-bottom: var(--border-color);
}

.header-dots {
  display: flex;
  gap: 6px;
  margin-right: 20px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.header-title {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.card-body {
  padding: 25px;
}

.brief-badge {
  display: inline-block;
  background-color: var(--accent-purple);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 10px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.preview-item {
  margin-bottom: 20px;
}

.preview-item:last-child {
  margin-bottom: 0;
}

.item-meta {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 4px;
}

.preview-item h4 {
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.preview-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 8px;
}

.preview-insight {
  font-size: 12px;
  color: #a78bfa;
  background-color: rgba(139, 92, 246, 0.1);
  padding: 8px 12px;
  border-left: 3px solid var(--accent-purple);
  border-radius: 0 4px 4px 0;
}

/* Features */
.features {
  padding: 100px 0;
  border-top: var(--border-color);
}

.section-title {
  margin-bottom: 60px;
}

.section-title h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 15px;
}

.section-title p {
  color: var(--text-secondary);
  font-size: 16px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  text-align: center;
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Pricing Section */
.pricing {
  padding: 100px 0;
  border-top: var(--border-color);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pro-card {
  border-color: var(--accent-purple);
  background: radial-gradient(circle at top right, rgba(139, 92, 246, 0.15) 0%, var(--bg-card) 60%);
  box-shadow: 0 10px 40px -10px rgba(139, 92, 246, 0.3);
}

.pro-card:hover {
  border-color: var(--accent-pink);
}

.card-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.pro-badge {
  background: var(--gradient-main);
}

.pricing-card h3 {
  font-size: 22px;
  margin-bottom: 15px;
}

.price {
  font-family: 'Outfit', sans-serif;
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 20px;
}

.price span {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 500;
}

.plan-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.plan-features {
  list-style: none;
  margin-bottom: 40px;
}

.plan-features li {
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

/* Portal Section */
.portal-section {
  padding: 80px 0;
  background-color: rgba(15, 23, 42, 0.4);
  border-top: var(--border-color);
  border-bottom: var(--border-color);
}

.portal-card {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.portal-card h3 {
  margin-bottom: 12px;
}

.portal-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 25px;
}

.portal-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  max-width: 500px;
  margin: 0 auto;
}

/* FAQ Section */
.faq {
  padding: 100px 0;
}

.faq-container {
  max-width: 850px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.faq-item h4 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* Footer */
.footer {
  border-top: var(--border-color);
  padding: 50px 0;
  background-color: #060911;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 18px;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

/* Status Messages */
.status-msg {
  margin-top: 15px;
  font-size: 14px;
  font-weight: 500;
  padding: 10px;
  border-radius: 6px;
  display: none;
  text-align: left;
}

.status-msg.success {
  display: block;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
  border-left: 4px solid var(--success-color);
}

.status-msg.error {
  display: block;
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
  border-left: 4px solid var(--error-color);
}

.pro-checkout-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  margin-top: 15px;
}

.pro-email-input {
  width: 100%;
  text-align: center;
}

/* Media Queries for Responsiveness */
@media (max-width: 968px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-form {
    display: flex;
    justify-content: center;
  }
  .form-input-group {
    margin: 0 auto;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
  .footer-container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 580px) {
  body {
    padding-top: 70px;
  }
  .navbar {
    height: 70px;
  }
  .nav-links {
    display: none; /* simple mobile nav override */
  }
  .hero h1 {
    font-size: 38px;
  }
  .form-input-group {
    flex-direction: column;
    gap: 10px;
  }
  .portal-form {
    flex-direction: column;
  }
}