/* --- EuroBound Core Design System --- */

:root {
  --bg-main: #060913;
  --bg-surface: rgba(15, 23, 42, 0.65);
  --bg-card: rgba(30, 41, 59, 0.45);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.2);
  
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --secondary-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  --accent-glow: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.15), transparent 60%);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-color: #818cf8;
  --success-color: #34d399;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --blur-glass: blur(12px);
}

/* --- Base Resets --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 45%);
  background-attachment: fixed;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

a:hover {
  color: #a5b4fc;
}

/* --- Glassmorphism Utility --- */
.glass {
  background: var(--bg-surface);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-premium);
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  gap: 0.5rem;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-block {
  width: 100%;
}

/* --- Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 9, 19, 0.75);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
}

.nav-links a:hover {
  color: #ffffff;
}

/* --- Hero Section --- */
.hero {
  padding: 8rem 2rem 5rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: var(--accent-glow);
  z-index: -1;
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--accent-color);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  gap: 0.5rem;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 2.5rem;
}

/* --- Features Section --- */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2.5rem;
  border-radius: 16px;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow: 0 20px 40px -15px rgba(99, 102, 241, 0.15);
}

.feature-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon-wrapper i {
  font-size: 1.5rem;
  color: var(--accent-color);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* --- Job Directory Section --- */
.directory-container {
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem;
  margin-bottom: 5rem;
  position: relative;
}

.search-bar-wrapper {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.search-input-group {
  position: relative;
  flex: 1;
}

.search-input-group i {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  background: rgba(6, 9, 19, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: var(--transition-smooth);
}

.search-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 15px var(--border-glow);
}

.filter-select {
  padding: 1rem 1.5rem;
  background: rgba(6, 9, 19, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  outline: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-select:focus {
  border-color: var(--accent-color);
}

/* --- Job Cards --- */
.jobs-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.job-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.75rem 2rem;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.job-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateX(5px);
}

.job-info h3 {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.job-company {
  font-weight: 600;
  color: var(--accent-color);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.sponsor-badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  background: rgba(52, 211, 153, 0.15);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: var(--success-color);
  font-weight: 600;
}

.job-meta-row {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.job-meta-row span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* --- Paywall Gate overlay --- */
.paywall-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 65%;
  background: linear-gradient(to bottom, transparent 0%, var(--bg-main) 40%, var(--bg-main) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding: 4rem 2rem;
  text-align: center;
  z-index: 10;
}

.paywall-card {
  max-width: 500px;
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid rgba(99, 102, 241, 0.25);
  box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
}

.paywall-card h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.paywall-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.pricing-amount {
  font-size: 3rem;
  font-family: var(--font-heading);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.pricing-amount span {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* --- Modals (Auth) --- */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(6, 9, 19, 0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  width: 100%;
  max-width: 450px;
  padding: 3rem;
  border-radius: 16px;
  position: relative;
  animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.75rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  color: #ffffff;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-group input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(6, 9, 19, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: #ffffff;
  outline: none;
  transition: var(--transition-smooth);
}

.form-group input:focus {
  border-color: var(--accent-color);
}

.auth-switch {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.auth-switch a {
  margin-left: 0.25rem;
  font-weight: 600;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 5rem 2rem 2rem;
  background: #03050a;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto 3rem;
  display: flex;
  justify-content: space-between;
  gap: 4rem;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 400px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 1rem;
}

.footer-links {
  display: flex;
  gap: 5rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* --- Animations --- */
@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* --- Responsiveness --- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.75rem;
  }
  
  .navbar {
    padding: 1rem 0;
  }
  
  .nav-links {
    gap: 1.25rem;
  }
  
  .job-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
  
  .btn-block-mobile {
    width: 100%;
  }
  
  .footer-container {
    flex-direction: column;
    gap: 2.5rem;
  }
}