/* ==============================================
   NET FORCE WEBSITE - MAIN STYLESHEET
   ============================================== */

/* CSS Variables for Dark Blue Theme */
:root {
    --primary-blue: #1e3a8a;
    --primary-blue-hover: #1e40af;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --dark-bg: #0f172a;
    --dark-secondary: #1e293b;
    --dark-tertiary: #334155;
    --text-light: #f8fafc;
    --text-muted: #cbd5e1;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Font sizes */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;
    --font-4xl: 2.25rem;
    --font-5xl: 3rem;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Box shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    max-width: 100%;
}

body {
    font-family: 'Inter', sans-serif !important;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-secondary) 100%);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
    /* Removed position: relative to prevent containing block for fixed elements */
}

/* Typography */
.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-light) 0%, var(--light-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-xl);
    color: var(--text-muted);
    margin: var(--space-lg) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: var(--font-lg);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

/* Sticky Navigation */
.navbar {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
    background: rgba(15, 23, 42, 0.1) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95) !important;
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    font-weight: 800;
    font-size: var(--font-2xl) !important;
    color: var(--text-light) !important;
}

.navbar-nav .nav-link {
    color: var(--text-light) !important;
    font-weight: 600;
    transition: color var(--transition-fast);
    position: relative;
    cursor: pointer;
}

.navbar-nav .nav-link:hover {
    color: var(--light-blue) !important;
}

/* Prevent navbar from affecting scroll position */
.navbar-collapse {
    position: relative;
}

/* Ensure main content has proper spacing */
main {
    padding-top: 70px;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

/* Mega Menu Styles */
.mega-menu {
    position: absolute;
    top: 100%;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-top: none;
    z-index: 999;
    border-radius: 0 0 8px 8px;
}

/* Ensure dropdown parent is positioned correctly for mega menu */
.nav-item.dropdown.position-static {
    position: static !important;
}

/* Ensure navbar container doesn't clip mega menu */
.navbar .container {
    position: static;
}

/* Allow mega menu to break out of container */
.navbar {
    position: relative;
}

/* Desktop hover behavior */
@media (min-width: 769px) {
    .mega-menu {
        /* Full width mega menu using viewport positioning */
        position: fixed !important;
        left: 0 !important;
        right: 0 !important;
        top: 72px !important; /* Height of navbar - adjust if needed */
        transform: translateY(-10px);
        width: 100vw !important;
        max-width: 100vw !important;
        margin: 0 !important;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        overflow-x: hidden;
        box-sizing: border-box;
    }
    
    .nav-item:hover .mega-menu,
    .dropdown:hover .mega-menu {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .dropdown-menu.mega-menu.show {
        transform: translateY(0);
    }
    
    /* Ensure mega menu appears below navbar */
    .navbar {
        z-index: 1000;
    }
    
    .mega-menu {
        z-index: 999 !important;
    }
}

/* Bootstrap dropdown integration */
.dropdown-menu.mega-menu.show {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-content {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 1400px) {
    .mega-menu-content {
        max-width: 1400px;
        padding: var(--space-2xl) var(--space-3xl);
    }
}

@media (min-width: 1600px) {
    .mega-menu-content {
        max-width: 1600px;
        padding: var(--space-3xl) calc(var(--space-3xl) * 1.5);
    }
}

@media (min-width: 1920px) {
    .mega-menu-content {
        max-width: 1800px;
    }
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    width: 100%;
}

@media (min-width: 1200px) {
    .mega-menu-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: var(--space-2xl);
    }
}

.mega-menu-item {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(30, 58, 138, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.mega-menu-item:hover {
    background: rgba(30, 58, 138, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: inherit;
    text-decoration: none;
}

.mega-menu-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: var(--font-xl);
    color: white;
}

.mega-menu-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--space-sm);
}

.mega-menu-description {
    font-size: var(--font-sm);
    color: var(--text-muted);
    line-height: 1.5;
}

.mega-menu-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: 600;
    margin-top: var(--space-sm);
}

.mega-menu-badge.coming-soon {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

/* Hide dropdown arrow on desktop, show on mobile */
.dropdown-toggle::after {
    display: none;
}

@media (max-width: 768px) {
    .dropdown-toggle::after {
        display: inline-block;
        margin-left: 0.5rem;
        vertical-align: middle;
    }
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border: none;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-blue-hover), var(--light-blue));
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid var(--secondary-blue);
    color: var(--light-blue);
    padding: calc(var(--space-md) - 2px) calc(var(--space-xl) - 2px);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background: var(--secondary-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
    border: none;
    color: white;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn-whatsapp:hover {
    background: linear-gradient(135deg, #128c7e, #075e54);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: white;
    text-decoration: none;
}

/* Card Styles */
.modern-card {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.modern-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: var(--shadow-xl);
}

.product-card {
    background: rgba(30, 58, 138, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
}

.feature-card {
    padding: var(--space-2xl);
    text-align: center;
    height: 100%;
}

.industry-card {
    padding: var(--space-xl);
    text-align: center;
    height: 100%;
}

/* Feature Icons */
.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-2xl);
    color: white;
    margin: 0 auto var(--space-lg);
}

.industry-icon {
    font-size: var(--font-3xl);
    margin-bottom: var(--space-lg);
}

/* Feature colors for Smart Invoice page */
.feature-icon-green {
    background: linear-gradient(135deg, #10b981, #059669);
}

.feature-icon-purple {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.feature-icon-orange {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.feature-icon-red {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.feature-icon-cyan {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.feature-icon-pink {
    background: linear-gradient(135deg, #ec4899, #db2777);
}

.feature-icon-indigo {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
}

/* Section Styles */
.section-padding {
    padding: var(--space-3xl) 0;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px; /* Account for fixed navbar */
    position: relative;
    overflow: hidden;
}

/* Form Styles */
.demo-form {
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
}

.form-control {
    background: rgba(51, 65, 85, 0.8) !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    color: var(--text-light) !important;
    border-radius: var(--radius-md) !important;
    transition: all var(--transition-fast);
}

.form-control:focus {
    background: rgba(51, 65, 85, 0.9) !important;
    border-color: var(--secondary-blue) !important;
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25) !important;
    color: var(--text-light) !important;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
}

.form-label {
    color: var(--text-muted) !important;
    font-weight: 500;
}

/* Floating Button (WhatsApp) */
.whatsapp-float {
    position: fixed !important;
    width: 60px !important;
    height: 60px !important;
    bottom: 40px !important;
    right: 20px !important;
    top: auto !important;
    left: auto !important;
    background: linear-gradient(135deg, #25d366, #128c7e) !important;
    color: white !important;
    border-radius: 50% !important;
    text-align: center;
    font-size: 28px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 999999 !important;
    text-decoration: none !important;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4) !important;
    animation: pulse 2s infinite;
    max-width: calc(100vw - 40px);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    margin: 0 !important;
    padding: 0 !important;
    float: none !important;
    clear: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: translateZ(0) !important;
}

.whatsapp-float:hover {
    background: linear-gradient(135deg, #128c7e, #075e54);
    transform: scale(1.1);
    color: white;
    text-decoration: none;
    box-shadow: var(--shadow-xl);
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4), 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Ensure WhatsApp button is always visible */
@supports (-webkit-touch-callout: none) {
    /* iOS specific fixes */
    .whatsapp-float {
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
}

/* Force visibility on all mobile devices */
@media (max-width: 768px) {
    .whatsapp-float {
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
    }
}

/* Footer Styles */
.footer {
    background: rgba(15, 23, 42, 0.95);
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-3xl);
}

.footer-brand {
    font-size: var(--font-2xl);
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: var(--space-lg);
}

.footer-description {
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.footer-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--space-lg);
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: block;
    margin-bottom: var(--space-sm);
}

.footer-link:hover {
    color: var(--light-blue);
    text-decoration: none;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-blue);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--secondary-blue);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(59, 130, 246, 0.1);
    padding-top: var(--space-lg);
    margin-top: var(--space-xl);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-sm);
}

/* Benefits Grid Fix */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    justify-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.benefit-item {
    text-align: center;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-2xl);
    color: white;
    margin: 0 auto var(--space-md);
}

.benefit-title {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-light);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 992px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .mega-menu-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .section-padding {
        padding: var(--space-2xl) 0;
    }
    
    .whatsapp-float {
        width: 52px !important;
        height: 52px !important;
        bottom: 15px !important;
        right: 12px !important;
        font-size: 24px !important;
        display: flex !important;
        position: fixed !important;
        z-index: 999999 !important;
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.5) !important;
    }
    
    /* Mobile mega menu fixes */
    .mega-menu {
        position: relative !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        border: none !important;
        border-top: 1px solid rgba(59, 130, 246, 0.2) !important;
        max-height: 60vh;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
    
    .mega-menu-content {
        padding: var(--space-lg);
    }
    
    .nav-item:hover .mega-menu {
        transform: none !important;
    }
    
    /* Prevent body scroll when navbar is open on mobile */
    .navbar-collapse.show {
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    }
    
    /* Lock body scroll when mobile menu is open */
    body.mobile-menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
        top: 0;
    }
    
    /* Ensure WhatsApp button stays visible even when mobile menu is open */
    body.mobile-menu-open .whatsapp-float {
        position: fixed !important;
        display: flex !important;
        z-index: 9999 !important;
    }
    
    /* Ensure navbar items are clickable on mobile */
    .navbar-collapse .navbar-nav {
        padding: 1rem;
    }
    
    .navbar-collapse .nav-item {
        padding: 0.5rem 0;
    }
    
    .navbar-collapse .nav-link {
        padding: 0.75rem 1rem;
        display: block;
    }
}

@media (max-width: 576px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-form {
        margin: 0 var(--space-md);
    }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed !important;
    bottom: 120px !important;
    right: 20px !important;
    top: auto !important;
    left: auto !important;
    width: 50px !important;
    height: 50px !important;
    background: rgba(30, 58, 138, 0.9) !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    border-radius: 50% !important;
    display: none !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--light-blue) !important;
    text-decoration: none !important;
    transition: all var(--transition-normal);
    z-index: 999998 !important;
    max-width: calc(100vw - 40px);
    margin: 0 !important;
    padding: 0 !important;
    float: none !important;
    clear: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: translateZ(0) !important;
}

.scroll-to-top:hover {
    background: var(--secondary-blue);
    color: white;
    transform: translateY(-2px);
    text-decoration: none;
}

@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 85px !important;
        right: 12px !important;
        width: 45px !important;
        height: 45px !important;
        position: fixed !important;
        display: none !important;
    }
}

/* Loading and Animation Enhancements */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Validation Styles */
.form-control.is-invalid {
    border-color: var(--danger) !important;
}

.form-control.is-valid {
    border-color: var(--success) !important;
}

.invalid-feedback {
    color: var(--danger);
    font-size: var(--font-sm);
    margin-top: var(--space-xs);
}

.valid-feedback {
    color: var(--success);
    font-size: var(--font-sm);
    margin-top: var(--space-xs);
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--text-light) 0%, var(--light-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
}

.bg-gradient-secondary {
    background: linear-gradient(135deg, var(--dark-bg), var(--dark-secondary));
}

.border-gradient {
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.backdrop-blur {
    backdrop-filter: blur(10px);
}

.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-5px);
}