/*
Theme Name: Lunexia Enterprise POS System Theme
Theme URI: https://pos.lunexiait.com
Author: Lunexia IT Enterprise Software Division
Author URI: https://lunexiait.com
Description: Official SEO-optimized commercial sales theme for Lunexia Enterprise POS System — High-converting multi-page marketing theme for Supermarkets, Pharmacies, Restaurants, and Retail Chains in Bangladesh and worldwide.
Version: 2.4.0
License: Commercial / Proprietary
Text Domain: lunexia-pos
*/

:root {
  --color-bg: #0F172A;
  --color-surface: #1E293B;
  --color-surface-hover: #334155;
  --color-border: #334155;
  --color-primary: #6366F1;
  --color-primary-hover: #4F46E5;
  --color-accent: #10B981;
  --color-text-main: #F8FAFC;
  --color-text-muted: #94A3B8;
  --color-warning: #F59E0B;
  --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #818CF8;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

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

.logo-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.logo-badge {
  background: linear-gradient(135deg, #6366F1 0%, #A855F7 100%);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 15px;
}

.nav-links a:hover, .nav-links a.active {
  color: #FFFFFF;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 700;
  font-size: 15px;
  border-radius: 10px;
  cursor: pointer;
  border: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  color: #FFFFFF;
  box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 25px -5px rgba(99, 102, 241, 0.6);
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--color-surface);
  color: #FFFFFF;
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  color: #FFFFFF;
}

.btn-accent {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #FFFFFF;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(15, 23, 42, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #818CF8;
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #FFFFFF 0%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--color-text-muted);
  max-width: 820px;
  margin: 0 auto 36px;
  font-weight: 400;
}

/* Feature Cards Grid */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.3);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #FFFFFF;
}

.card-desc {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* SEO Keyword Section */
.seo-section {
  background: #090D16;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
  margin: 60px 0;
}

.seo-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 16px;
  color: #FFFFFF;
}

.seo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.seo-tag {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
}

/* Form & Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 36px;
  width: 100%;
  max-width: 520px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 24px;
  cursor: pointer;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text-main);
}

.form-control {
  width: 100%;
  background: #0F172A;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 16px;
  color: #FFFFFF;
  font-size: 15px;
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
}

/* Footer */
footer {
  background: #090D16;
  border-top: 1px solid var(--color-border);
  padding: 60px 0 30px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-title {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@media (max-width: 768px) {
  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}