/* =============================================
   BillKhadim Marketing Website - Modern Styles
   ============================================= */

/* CSS Variables */
:root {
    --primary: #2E7D32;
    --primary-dark: #1B5E20;
    --primary-light: #4CAF50;
    --secondary: #FF6F00;
    --accent: #FF9800;
    --text-dark: #1a1a2e;
    --text-medium: #4a5568;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #2E7D32 0%, #1B5E20 100%);
    --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --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);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
}

/* Utility Classes for Backgrounds */
.bk-gradient {
    background: var(--gradient-primary);
}

.bk-hero-pattern {
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    background-size: cover;
}

.bk-section {
    padding: 80px 20px;
}

.bk-card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bk-card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Hero Section - Full height for home page */
.hero-section {
    position: relative;
    background: var(--gradient-hero);
    min-height: 100vh;
    overflow: hidden;
}

/* Page Header - Smaller height for inner pages */
.page-header {
    position: relative;
    background: var(--gradient-hero);
    min-height: auto;
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(46, 125, 50, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 111, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(26, 26, 46, 0.8) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 100px;
}

.hero-text {
    padding-right: 40px;
}

.badge-wrapper {
    margin-bottom: 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: white;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #4CAF50 0%, #FF9800 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.hero-btn-primary {
    min-width: 200px !important;
    height: 56px !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    text-transform: none !important;
}

.hero-btn-secondary {
    min-width: 180px !important;
    height: 56px !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    text-transform: none !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    color: white !important;
}

.trust-indicators {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* Dashboard Mockup */
.hero-visual {
    position: relative;
}

.dashboard-mockup {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
    max-width: 500px;
    margin: 0 auto;
}

.dashboard-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    background: var(--gradient-primary);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.mockup-title {
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
}

.mockup-body {
    padding: 24px;
    background: #f8fafc;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    background: white;
    padding: 16px 12px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.stat-card .stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.stat-card .stat-value {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
}

.stat-card .stat-change {
    font-size: 0.75rem;
    font-weight: 600;
}

.stat-card .stat-change.positive {
    color: var(--primary);
}

.stat-card .stat-change.warning {
    color: var(--secondary);
}

.chart-placeholder {
    background: white;
    padding: 20px;
    border-radius: var(--radius-sm);
    height: 120px;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    gap: 8px;
    margin-bottom: 16px;
}

.chart-bar {
    width: 24px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 4px 4px 0 0;
    opacity: 0.8;
    animation: growBar 1s ease-out forwards;
}

@keyframes growBar {
    from { height: 0 !important; }
}

.recent-invoices {
    background: white;
    padding: 16px;
    border-radius: var(--radius-sm);
}

.invoice-item {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr auto;
    gap: 8px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.875rem;
    align-items: center;
}

.invoice-item:last-child {
    border-bottom: none;
}

.inv-num { color: var(--text-light); font-size: 0.75rem; }
.inv-cust { color: var(--text-dark); font-weight: 500; }
.inv-amount { color: var(--primary); font-weight: 600; text-align: right; }
.inv-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
}

.inv-status.paid {
    background: rgba(46, 125, 50, 0.1);
    color: var(--primary);
}

.inv-status.pending {
    background: rgba(255, 111, 0, 0.1);
    color: var(--secondary);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: white;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    right: -20px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 30%;
    left: -30px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Stats Bar */
.stats-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 0;
    z-index: 3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stats-bar .stat-item .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: 4px;
}

.stats-bar .stat-item .stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Trusted Section */
.trusted-section {
    background: var(--bg-white);
    padding: 60px 0;
    text-align: center;
}

.trusted-title {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 32px;
}

.logo-carousel {
    overflow: hidden;
    position: relative;
}

.logo-carousel::before,
.logo-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
}

.logo-carousel::before {
    left: 0;
    background: linear-gradient(90deg, white, transparent);
}

.logo-carousel::after {
    right: 0;
    background: linear-gradient(-90deg, white, transparent);
}

.logo-track {
    display: flex;
    gap: 60px;
    animation: scroll 30s linear infinite;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.company-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-light);
    opacity: 0.6;
    white-space: nowrap;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    background: rgba(46, 125, 50, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* Comparison Section */
.comparison-section {
    background: var(--bg-light);
    padding: 100px 0;
}

.comparison-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
    height: 100%;
    position: relative;
}

.comparison-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.comparison-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.comparison-card.old-way h3 {
    color: var(--text-medium);
}

.comparison-card.billkhadim-way h3 {
    color: var(--primary);
}

.comparison-card.competitors h3 {
    color: var(--text-medium);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.comparison-list {
    list-style: none;
    padding: 0;
}

.comparison-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    color: var(--text-dark);
}

.comparison-list li:last-child {
    border-bottom: none;
}

/* Features Section */
.features-section {
    background: var(--bg-white);
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card.large {
    grid-column: span 2;
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
}

.gradient-blue {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-green {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.gradient-orange {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-purple {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-pink {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.gradient-teal {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(46, 125, 50, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Steps Section */
.steps-section {
    background: var(--bg-light);
    padding: 100px 0;
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.step-item {
    text-align: center;
    flex: 1;
    min-width: 250px;
    max-width: 300px;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-content {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.step-icon {
    color: var(--primary) !important;
    margin-bottom: 16px;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-medium);
    line-height: 1.6;
}

.step-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    flex-shrink: 0;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--bg-white);
    padding: 100px 0;
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid #f0f0f0;
    height: 100%;
    position: relative;
}

.testimonial-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, white 0%, rgba(46, 125, 50, 0.05) 100%);
}

.testimonial-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.testimonial-rating {
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-dark);
}

.author-business {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Pricing Section */
.pricing-section {
    background: var(--bg-light);
    padding: 100px 0;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid #f0f0f0;
    text-align: center;
    height: 100%;
    position: relative;
}

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.pricing-amount {
    margin-bottom: 8px;
}

.pricing-amount .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    vertical-align: top;
}

.pricing-amount .price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1;
}

.pricing-amount .period {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-desc {
    color: var(--text-medium);
    margin-bottom: 24px;
    font-size: 0.875rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--text-dark);
    font-size: 0.9375rem;
}

/* FAQ Section */
.faq-section {
    background: var(--bg-white);
    padding: 100px 0;
}

.faq-panels {
    max-width: 800px;
    margin: 0 auto;
}

.faq-panels .mud-expand-panel {
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #f0f0f0;
}

/* CTA Section */
.cta-section {
    position: relative;
    background: var(--gradient-hero);
    padding: 100px 0;
    overflow: hidden;
    text-align: center;
}

.cta-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(46, 125, 50, 0.2) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.cta-note {
    font-size: 0.875rem !important;
    color: rgba(255, 255, 255, 0.6) !important;
}

/* Animations */
.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-element {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-element.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 960px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card.large {
        grid-column: span 2;
    }
    
    .comparison-card.featured {
        transform: none;
    }
    
    .pricing-card.popular {
        transform: none;
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding-top: 80px;
    }
    
    .hero-text {
        text-align: center;
        padding-right: 0;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .trust-indicators {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card.large {
        grid-column: span 1;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-connector {
        width: 2px;
        height: 40px;
    }
    
    .stats-bar {
        position: relative;
        margin-top: 40px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-bar .stat-item .stat-number {
        font-size: 1.5rem;
    }
    
    .dashboard-mockup {
        transform: none;
    }
    
    .floating-card {
        display: none;
    }
}