@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800&display=swap');

:root {
  --bg-color: #06060F;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-card-hover: rgba(92, 92, 255, 0.4);
  --accent-primary: #5C5CFF;
  --accent-light: #7B7BFF;
  --accent-gradient: linear-gradient(135deg, #5C5CFF 0%, #3B3BFF 100%);
  --glow-gradient: linear-gradient(135deg, rgba(92, 92, 255, 0.15) 0%, rgba(123, 123, 255, 0.05) 100%);
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0B8;
  --text-muted: #6C6C85;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1000px;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-secondary);
  font-family: var(--font-body);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Nav */
header {
  background: rgba(6, 6, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-card);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-light);
}

.btn-solver {
  background: var(--accent-gradient);
  color: #FFFFFF !important;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 600 !important;
  box-shadow: 0 4px 14px rgba(92, 92, 255, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

.btn-solver:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(92, 92, 255, 0.5);
}

/* Main Content Container */
main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px 80px 24px;
}

.page-header {
  margin-bottom: 40px;
  text-align: center;
}

.page-header h1 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.2;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 680px;
  margin: 0 auto;
}

/* Typography & Headings */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.3;
}

h2 {
  font-size: 1.75rem;
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-card);
}

h3 {
  font-size: 1.35rem;
  margin-top: 28px;
  margin-bottom: 12px;
  color: var(--accent-light);
}

p {
  margin-bottom: 18px;
}

ul, ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--accent-light);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

strong {
  color: var(--text-primary);
}

code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.9em;
  color: var(--accent-light);
}

blockquote {
  background: var(--glow-gradient);
  border-left: 4px solid var(--accent-primary);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  font-style: italic;
}

/* Glassmorphism Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: var(--border-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.card-tag {
  display: inline-block;
  background: rgba(92, 92, 255, 0.15);
  color: var(--accent-light);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.card h3 {
  margin-top: 0;
  color: var(--text-primary);
  font-size: 1.25rem;
}

.card p {
  font-size: 0.95rem;
  flex: 1;
  margin-bottom: 16px;
}

.card .read-more {
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Banner / CTA Section */
.cta-banner {
  background: var(--glow-gradient);
  border: 1px solid var(--border-card-hover);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  margin-top: 60px;
}

.cta-banner h2 {
  border: none;
  margin-top: 0;
  padding-bottom: 0;
  font-size: 2rem;
}

.cta-banner p {
  max-width: 600px;
  margin: 12px auto 24px auto;
}

.btn-large {
  display: inline-block;
  background: var(--accent-gradient);
  color: #FFFFFF !important;
  padding: 14px 32px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none !important;
  box-shadow: 0 6px 20px rgba(92, 92, 255, 0.4);
  transition: all 0.2s ease;
}

.btn-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(92, 92, 255, 0.6);
}

/* Contact Form Styling */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 32px;
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  transition: border-color 0.2s ease;
}

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

/* Breadcrumbs */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.breadcrumbs a {
  color: var(--text-muted);
}

.breadcrumbs a:hover {
  color: var(--accent-light);
}

.breadcrumbs span {
  margin: 0 8px;
}

/* Footer */
footer {
  background: rgba(4, 4, 10, 0.95);
  border-top: 1px solid var(--border-card);
  padding: 60px 24px 40px 24px;
  margin-top: auto;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
}

.footer-brand h4 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-col h5 {
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--accent-light);
  text-decoration: none;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 40px auto 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    max-width: 100%;
  }
  
  .logo {
    font-size: 1.05rem;
    flex-shrink: 0;
  }

  .logo img {
    width: 32px;
    height: 32px;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-links li {
    flex-shrink: 0;
  }

  .nav-links a {
    font-size: 0.85rem;
    white-space: nowrap;
  }

  .btn-solver {
    padding: 6px 14px;
    font-size: 0.82rem !important;
    white-space: nowrap;
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-brand {
    grid-column: 1 / -1;
  }

  .page-header h1 {
    font-size: 1.85rem;
  }
}

@media (max-width: 480px) {
  .logo span {
    font-size: 0.95rem;
  }

  .nav-links li.nav-secondary {
    display: none;
  }
}