/**
 * Installment Page - Modern EasyTech-Inspired Styles
 * Design System with CSS Custom Properties
 */

:root {
    /* Plan Type Colors */
    --installment-green: #198754;
    --installment-green-light: #d1fae5;
    --installment-green-dark: #065f46;
    --installment-green-bg: #f0fdf4;
    
    --layaway-blue: #0d6efd;
    --layaway-blue-light: #dbeafe;
    --layaway-blue-dark: #1e40af;
    --layaway-blue-bg: #eff6ff;
    
    /* Hero Colors - Green Theme */
    --hero-bg: hsl(147, 96%, 21%);
    --hero-bg-light: hsl(147, 96%, 28%);
    --hero-text: #ffffff;
    --hero-text-muted: #c7d2fe;
    --hero-accent: #818cf8;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Sticky Blurred Navigation (Global)
   ========================================================================== */

#navigation {
    position: sticky;
    top: 0;
    z-index: 1030;
    background-color: rgba(1, 49, 150, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background-color var(--transition-slow), box-shadow var(--transition-slow);
}

#navigation.scrolled {
    background-color: rgba(1, 49, 150, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ==========================================================================
   Hero Section - EasyTech Inspired
   ========================================================================== */

.installment-hero-modern {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--hero-bg) 0%, var(--hero-bg-light) 100%);
    color: var(--hero-text);
    padding: 4rem 0;
}

.installment-hero-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="30" cy="30" r="1.5" fill="white" opacity="0.1"/></svg>');
    pointer-events: none;
}

/* Decorative Blur Circles */
.installment-hero-modern .hero-circle-1 {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: var(--hero-accent);
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    pointer-events: none;
}

.installment-hero-modern .hero-circle-2 {
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: var(--layaway-blue);
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.2;
    pointer-events: none;
}

.installment-hero-modern .hero-content {
    position: relative;
    z-index: 10;
}

/* Hero Badge */
.hero-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--hero-text);
    backdrop-filter: blur(4px);
    margin-bottom: 1.5rem;
}

/* Hero Title */
.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title .hero-highlight {
    color: #81ea98;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

/* Hero Subtitle */
.hero-subtitle {
    font-size: 1.125rem;
    color: var(--hero-text-muted);
    max-width: 500px;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hero-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: #ffffff;
    color: var(--hero-bg);
    font-weight: 600;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: all var(--transition-normal);
    border: none;
}

.hero-btn-primary:hover {
    background: #f3f4f6;
    color: var(--hero-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: transparent;
    color: var(--hero-text);
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 0.5rem;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.hero-btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--hero-text);
}

/* Hero Feature Pills */
.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.5rem;
}

.hero-feature-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    font-size: 0.875rem;
    color: var(--hero-text);
}

.hero-feature-pill i {
    color: #81ea98;
}

/* ==========================================================================
   Products Section Header
   ========================================================================== */

.products-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.products-section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.25rem;
}

.products-section-header .subtitle {
    color: #6b7280;
    font-size: 0.95rem;
}

.products-section-header .view-all-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--layaway-blue);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition: gap var(--transition-normal);
}

.products-section-header .view-all-link:hover {
    gap: 0.5rem;
}

/* ==========================================================================
   Product Cards - EasyTech Style
   ========================================================================== */

.installment-product-card {
    position: relative;
    background: #ffffff;
    border-radius: 1rem;
    border: 1px solid #f3f4f6;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.installment-product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: #e0e7ff;
}

/* Product Image Container */
.installment-product-card .card-img-wrapper {
    position: relative;
    height: 220px;
    background: #f9fafb;
    overflow: hidden;
}

.installment-product-card .card-img-top {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1rem;
    transition: transform 0.5s ease;
}

.installment-product-card:hover .card-img-top {
    transform: scale(1.05);
}

/* Monthly Price Badge */
.monthly-price-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--hero-bg);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

/* Product Body */
.installment-product-card .card-body {
    padding: 1.25rem;
}

/* Category Label */
.product-category-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #9ca3af;
    margin-bottom: 0.5rem;
}

/* Product Title */
.installment-product-card .card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.installment-product-card .card-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.installment-product-card .card-title a:hover {
    color: var(--layaway-blue);
}

/* Product Specs */
.product-specs {
    font-size: 0.85rem;
    color: #6b7280;
    margin-bottom: 1rem;
}

/* Product Footer */
.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid #f3f4f6;
    margin-top: auto;
}

.product-price {
    font-size: 1.125rem;
    font-weight: 700;
    color: #111827;
}

.calculate-plan-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--layaway-blue);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.calculate-plan-link:hover {
    color: var(--layaway-blue-dark);
    text-decoration: underline;
}

/* ==========================================================================
   Plan Selector - Modernized
   ========================================================================== */

/* Plan Type Toggle */
.plan-type-toggle-modern {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.25rem;
    background: #f3f4f6;
    border-radius: 0.5rem;
}

.plan-type-toggle-modern .btn-check + label {
    flex: 1;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    border-radius: 0.375rem;
    border: none;
    background: transparent;
    color: #6b7280;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.plan-type-toggle-modern .btn-check:checked + label.installment-toggle {
    background: var(--installment-green);
    color: white;
    box-shadow: var(--shadow-sm);
}

.plan-type-toggle-modern .btn-check:checked + label.layaway-toggle {
    background: var(--layaway-blue);
    color: white;
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Term Selector - EasyTech Style
   ========================================================================== */

.term-selector {
    margin-bottom: 1rem;
}

.term-selector-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #9ca3af;
    margin-bottom: 0.5rem;
}

.term-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.375rem;
}

.term-btn {
    padding: 0.625rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    background: white;
    color: #6b7280;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.term-btn:hover {
    border-color: #d1d5db;
    background: #f9fafb;
}

.term-btn.active {
    background: var(--hero-bg);
    color: white;
    border-color: var(--hero-bg);
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(49, 46, 129, 0.3);
}

.term-btn.active[data-type="layaway"] {
    background: var(--layaway-blue);
    border-color: var(--layaway-blue);
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.3);
}

/* Zero interest indicator dot */
.term-btn[data-zero-interest]::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
}

.term-btn.active[data-zero-interest]::after {
    background: #34d399;
}

/* ==========================================================================
   Payment Display - EasyTech Style
   ========================================================================== */

.payment-display {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.payment-display-inner {
    flex: 1;
}

.payment-amount-wrapper {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 0.375rem;
}

.payment-amount {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1;
    color: var(--installment-green);
    transition: color var(--transition-fast);
}

.payment-amount[data-type="layaway"] {
    color: var(--layaway-blue);
}

.payment-frequency {
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 500;
}

.payment-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.payment-detail {
    font-size: 0.75rem;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.payment-detail i {
    font-size: 0.65rem;
    opacity: 0.7;
}

.plan-type-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.625rem;
    border-radius: 0.5rem;
    background: var(--installment-green-light);
    color: var(--installment-green-dark);
    min-width: 60px;
    transition: all var(--transition-normal);
}

.plan-type-indicator[data-type="layaway"] {
    background: var(--layaway-blue-light);
    color: var(--layaway-blue-dark);
}

.plan-type-indicator i {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.plan-type-indicator .plan-type-text {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Plan Cards Grid */
.plan-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 576px) {
    .plan-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Individual Plan Card - Enhanced */
.plan-card {
    position: relative;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: white;
}

.plan-card:hover {
    border-color: #d1d5db;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Selected State - Installment */
.plan-card-input:checked + .plan-card[data-type="installment"] {
    border-color: var(--installment-green);
    background: var(--installment-green-bg);
    box-shadow: 0 0 0 3px rgba(25, 135, 84, 0.15);
}

/* Selected State - Layaway */
.plan-card-input:checked + .plan-card[data-type="layaway"] {
    border-color: var(--layaway-blue);
    background: var(--layaway-blue-bg);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

/* Plan Card Header */
.plan-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

/* Type Badge */
.plan-card-type-badge {
    font-size: 0.65rem;
    padding: 0.25rem 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 9999px;
}

.plan-card-type-badge.installment {
    background: var(--installment-green-light);
    color: var(--installment-green-dark);
}

.plan-card-type-badge.layaway {
    background: var(--layaway-blue-light);
    color: var(--layaway-blue-dark);
}

/* Checkmark */
.plan-card-checkmark {
    width: 22px;
    height: 22px;
    border: 2px solid #d1d5db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    background: white;
    flex-shrink: 0;
}

.plan-card-input:checked + .plan-card[data-type="installment"] .plan-card-checkmark {
    background: var(--installment-green);
    border-color: var(--installment-green);
}

.plan-card-input:checked + .plan-card[data-type="layaway"] .plan-card-checkmark {
    background: var(--layaway-blue);
    border-color: var(--layaway-blue);
}

.plan-card-checkmark i {
    color: white;
    font-size: 0.65rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.plan-card-input:checked + .plan-card .plan-card-checkmark i {
    opacity: 1;
}

/* Payment Amount - Prominent */
.plan-card-amount {
    font-size: 1.875rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
    color: #111827;
}

.plan-card[data-type="installment"] .plan-card-amount {
    color: var(--installment-green);
}

.plan-card[data-type="layaway"] .plan-card-amount {
    color: var(--layaway-blue);
}

/* Frequency Label */
.plan-card-frequency {
    font-size: 0.8rem;
    color: #6b7280;
    margin-bottom: 0.875rem;
}

/* Plan Details */
.plan-card-details {
    display: flex;
    gap: 1.25rem;
    padding-top: 0.875rem;
    border-top: 1px solid #e5e7eb;
    font-size: 0.8rem;
}

.plan-card-detail-label {
    color: #9ca3af;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: 0.125rem;
}

.plan-card-detail-value {
    font-weight: 700;
    color: #374151;
}

/* ==========================================================================
   Apply Button - Enhanced
   ========================================================================== */

.apply-now-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all var(--transition-normal);
}

.apply-now-btn.btn-success {
    background: var(--installment-green);
    border-color: var(--installment-green);
}

.apply-now-btn.btn-success:hover {
    background: #157347;
    border-color: #157347;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25, 135, 84, 0.3);
}

.apply-now-btn.btn-primary {
    background: var(--layaway-blue);
    border-color: var(--layaway-blue);
}

.apply-now-btn.btn-primary:hover {
    background: #0b5ed7;
    border-color: #0b5ed7;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

/* ==========================================================================
   How It Works Section - Modernized
   ========================================================================== */

#how-it-works {
    scroll-margin-top: 100px;
}

.how-it-works-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: white;
    border-radius: 1rem;
    transition: all var(--transition-normal);
}

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

.how-it-works-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.75rem;
    transition: transform var(--transition-normal);
}

.how-it-works-card:hover .how-it-works-icon {
    transform: scale(1.1);
}

.how-it-works-card h5 {
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.75rem;
}

.how-it-works-card p {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Back to Top Button - Enhanced
   ========================================================================== */

#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--layaway-blue);
    border: none;
    color: white;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

#back-to-top.show {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

#back-to-top:hover {
    background: var(--layaway-blue-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

@media (max-width: 768px) {
            #back-to-top {
                bottom: 80px; /* Position above bottom navigation */
                right: 16px;
                width: 48px;
                height: 48px;
                font-size: 16px;
                z-index: 999; /* Below bottom nav but above content */
            }
        }

/* ==========================================================================
   Modal Enhancements
   ========================================================================== */

#viewAllPlansModal .modal-content {
    border: none;
    border-radius: 1rem;
    overflow: hidden;
}

#viewAllPlansModal .modal-header {
    background: linear-gradient(135deg, var(--hero-bg) 0%, var(--hero-bg-light) 100%);
    color: white;
    border: none;
    padding: 1.25rem 1.5rem;
}

#viewAllPlansModal .modal-title {
    font-weight: 700;
}

#viewAllPlansModal .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

#viewAllPlansModal .btn-close:hover {
    opacity: 1;
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 767.98px) {
    .installment-hero-modern {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-btn-primary,
    .hero-btn-outline {
        width: 100%;
        justify-content: center;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .installment-product-card .card-img-wrapper {
        height: 180px;
    }
    
    .plan-card-amount {
        font-size: 1.5rem;
    }
    
    .plan-cards-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Smooth Scroll
   ========================================================================== */

html {
    scroll-behavior: smooth;
}

/* ==========================================================================
   Animation Utilities
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}