:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #e0e7ff;
  --accent: #06b6d4;
  --success: #10b981;
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  --surface: #ffffff;
  --surface-subtle: #f8fafc;
  --surface-border: #e2e8f0;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Hind Siliguri', sans-serif;
  background-color: #f1f5f9;
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Header & Hero */
.header-hero {
  background: var(--bg-gradient);
  color: var(--text-inverse);
  padding: 3.5rem 1.5rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: #c7d2fe;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: #94a3b8;
  max-width: 650px;
  margin: 0 auto 1.75rem;
}

.meta-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: #cbd5e1;
}

/* Nav Bar */
.nav-bar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--surface-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1rem;
  overflow-x: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-muted);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.nav-link.active {
  color: var(--primary);
  background-color: var(--primary-light);
  font-weight: 700;
}

/* Main Layout */
.main-wrapper {
  max-width: 1000px;
  margin: 2rem auto 4rem;
  padding: 0 1.25rem;
}

.content-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow-md);
  padding: 2.5rem;
  margin-bottom: 2rem;
}

/* Typography & Content */
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.policy-block {
  margin-bottom: 2.25rem;
}

.policy-block h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e1b4b;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.policy-block p {
  color: #334155;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.policy-block ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  color: #334155;
}

.policy-block li {
  margin-bottom: 0.5rem;
}

/* Notice Box */
.notice-box {
  background: #f0fdf4;
  border-left: 4px solid var(--success);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
  color: #14532d;
  font-size: 0.9375rem;
}

.notice-box.warning {
  background: #fffbeb;
  border-left-color: #f59e0b;
  color: #78350f;
}

.notice-box.info {
  background: #eff6ff;
  border-left-color: var(--primary);
  color: #1e3a8a;
}

/* Data Table */
.data-table-container {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.data-table th {
  background: #f8fafc;
  padding: 12px 16px;
  font-weight: 700;
  color: #334155;
  border-bottom: 1px solid var(--surface-border);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--surface-border);
  color: #475569;
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* Steps list */
.step-list {
  list-style: none;
  counter-reset: step-counter;
  margin: 1.5rem 0;
}

.step-list li {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.25rem;
  counter-increment: step-counter;
}

.step-list li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

/* Form Styles */
.form-card {
  background: #f8fafc;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color 0.2s;
  background: #fff;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

/* Footer */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 3rem 1.5rem;
  text-align: center;
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.2s;
}

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

@media (max-width: 768px) {
  .hero-title {
    font-size: 1.875rem;
  }
  .content-card {
    padding: 1.5rem;
  }
}