/* ═══════════════════════════════════════════════════════════════
   NXT Banking Landing Page - Optimized Luxury Styles
   ═══════════════════════════════════════════════════════════════ */

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

:root {
    /* Royal Purple Theme - Matched with Admin Panel (Color Scheme 3) */
    --primary: #4A55A2;
    --primary-dark: #3A4582;
    --primary-light: #5A65B2;
    --secondary: #F0A360;
    --secondary-dark: #E09350;
    --accent: #FFB800;
    --success: #00C896;
    --info: #00A3FF;
    --dark: #0A0E27;
    --light: #F8F9FD;
    --text-primary: #0A0E27;
    --text-secondary: #6B7794;
    
    /* Updated Gradients with Royal Purple */
    --gradient-primary: linear-gradient(135deg, #4A55A2 0%, #5A65B2 50%, #6A75C2 100%);
    --gradient-secondary: linear-gradient(135deg, #F0A360 0%, #FFB870 100%);
    --gradient-accent: linear-gradient(135deg, #FFB800 0%, #FF9500 100%);
    --gradient-dark: linear-gradient(180deg, #0A0E27 0%, #1A1F3A 100%);
    --gradient-mesh: linear-gradient(135deg, #4A55A2 0%, #5A65B2 25%, #F0A360 50%, #FFB870 75%, #4A55A2 100%);
    --gradient-luxury: linear-gradient(135deg, #4A55A2 0%, #5A65B2 50%, #F0A360 100%);
    --gradient-hero: linear-gradient(135deg, #4A55A2 0%, #3A4582 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--light);
    overflow-x: hidden;
}

/* Custom Scrollbar - Luxury */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Animated Background Canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

/* Loading Screen - Luxury */
#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s;
}

.loader {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255,255,255,0.1);
    border-top-color: var(--secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Section Base Styles */
section {
    padding: 100px 20px;
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }

/* ═══════════════════════════════════════════════════════════════
   Enterprise-Grade Responsive Design
   ═══════════════════════════════════════════════════════════════ */

/* Safe Area Support for Notched Devices (iPhone X+) */
@supports (padding: max(0px)) {
    body {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }
    
    .header, .official-banner {
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
    }
    
    footer {
        padding-bottom: max(30px, env(safe-area-inset-bottom));
    }
}

/* Tablet Breakpoint */
@media (max-width: 1024px) {
    section {
        padding: 80px 20px;
    }
}

/* Mobile Breakpoint */
@media (max-width: 768px) {
    section {
        padding: 60px 16px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    /* Prevent horizontal overflow */
    * {
        max-width: 100vw;
    }
    
    /* Hide scrollbar on mobile for cleaner look */
    ::-webkit-scrollbar {
        width: 0;
        height: 0;
    }
}

/* Small Mobile Breakpoint */
@media (max-width: 480px) {
    section {
        padding: 50px 12px;
    }
    
    .container {
        padding: 0 12px;
    }
}

/* Extra Small Devices (< 360px) */
@media (max-width: 360px) {
    section {
        padding: 40px 10px;
    }
    
    .container {
        padding: 0 10px;
    }
    
    /* Scale down font sizes proportionally */
    html {
        font-size: 14px;
    }
}

/* Landscape Mode on Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    section {
        padding: 40px 20px;
    }
    
    .hero {
        min-height: auto;
        padding-top: 100px;
    }
}

/* High DPI / Retina Display Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo img {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Reduce Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    #particles-canvas {
        display: none;
    }
}

/* Dark Mode Support (Future-proofing) */
@media (prefers-color-scheme: dark) {
    /* Can be enabled when dark mode is implemented */
    /* :root {
        --light: #0A0E27;
        --dark: #F8F9FD;
        --text-primary: #F8F9FD;
        --text-secondary: #9CA3AF;
    } */
}

/* Print Styles */
@media print {
    .header, .official-banner, #particles-canvas, #loading,
    .floating-element, .mobile-menu-toggle {
        display: none !important;
    }
    
    section {
        padding: 20px 0;
        page-break-inside: avoid;
    }
    
    body {
        background: white;
        color: black;
    }
}