/* SeraPOS Custom Stylesheet - Premium Modern SaaS Theme with Dynamic Animations */

:root {
  --font-inter: 'Inter', 'Hind Siliguri', 'Noto Sans Bengali', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --bg-main: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --border-color: #E2E8F0;
  --border-subtle: #CBD5E1;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --success: #16A34A;
  --warning: #F59E0B;
  --danger: #DC2626;
}

.dark {
  --bg-main: #0F172A;
  --bg-secondary: #1E293B;
  --border-color: #1E293B;
  --border-subtle: #334155;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
}

* {
  font-family: var(--font-inter);
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}
.dark ::-webkit-scrollbar-thumb {
  background: #475569;
}

/* Premium Minimalist & Animated Cards */
.hp-card {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.hp-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: 0.6s ease;
  pointer-events: none;
}

.hp-card:hover::before {
  left: 100%;
}

.hp-card:hover {
  border-color: #93C5FD;
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 22px 40px -12px rgba(37, 99, 235, 0.15), 0 10px 16px -6px rgba(15, 23, 42, 0.05);
}

.dark .hp-card {
  border-color: #1E293B;
}

.dark .hp-card:hover {
  border-color: #3B82F6;
  box-shadow: 0 25px 45px -12px rgba(0, 0, 0, 0.6), 0 0 25px 0 rgba(37, 99, 235, 0.25);
}

/* Glassmorphism utility */
.glass-panel {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.8);
}
.dark .glass-panel {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(30, 41, 59, 0.8);
}

/* Minimalist Badge */
.hp-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 9999px;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  color: #1D4ED8;
  border: 1px solid rgba(191, 219, 254, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.hp-badge:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.dark .hp-badge {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(30, 64, 175, 0.3) 100%);
  color: #93C5FD;
  border-color: rgba(59, 130, 246, 0.3);
}

/* Premium Button Styles with Animation */
.btn-primary {
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #FFFFFF;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.35);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 100%;
  top: 0;
  left: -45px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: 0.5s ease;
}

.btn-primary:hover::after {
  left: 130%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1D4ED8 0%, #1E40AF 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 25px 0 rgba(37, 99, 235, 0.45);
}

.btn-dark {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  font-weight: 700;
  padding: 0.875rem 1.75rem;
  border-radius: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: all 0.3s ease;
  white-space: nowrap;
  box-shadow: 0 10px 20px -5px rgba(15, 23, 42, 0.2);
}

.btn-dark:hover {
  background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 28px -5px rgba(15, 23, 42, 0.35);
}

.btn-secondary {
  background-color: var(--bg-main);
  color: #1E293B;
  border: 1px solid #CBD5E1;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.dark .btn-secondary {
  background-color: #1E293B;
  color: #F8FAFC;
  border-color: #334155;
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: #94A3B8;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

/* Keyframe Animations */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-float {
  animation: floatSlow 4s ease-in-out infinite;
}

.animate-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

.animate-spin-slow {
  animation: spinSlow 20s linear infinite;
}

.animated-gradient-text {
  background: linear-gradient(135deg, #2563EB 0%, #7C3AED 50%, #DB2777 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientMove 6s ease infinite;
}

/* Accordion transition */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
}

.accordion-content.active {
  max-height: 1000px;
  transition: max-height 0.5s ease-in-out;
}

/* Back to top button */
#backToTopBtn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#backToTopBtn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#backToTopBtn:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.5);
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 9999;
}

.toast-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}