:root {
    /* Modern Gen Z friendly color palette */
    --primary-color: #6366f1; /* Indigo - modern and vibrant */
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --success-color: #10b981; /* Emerald green */
    --danger-color: #ef4444; /* Red */
    --warning-color: #f59e0b; /* Amber */
    --info-color: #3b82f6; /* Blue */
    --bg-light: #f8fafc;
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    --text-dark: #1e293b;
    --text-muted: #64748b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.card {
    border: none;
    border-radius: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
}

.card-header {
    border-bottom: 2px solid var(--bg-light);
    border-radius: 12px 12px 0 0 !important;
}

.btn-group .btn {
    border-radius: 8px;
    margin: 2px;
}

.btn-check:checked + .btn {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.form-control-lg {
    font-size: 1.25rem;
    padding: 0.75rem 1rem;
}

.form-range {
    cursor: pointer;
}

.form-range::-webkit-slider-thumb {
    background-color: var(--primary-color);
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.form-range::-moz-range-thumb {
    background-color: var(--primary-color);
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#ageDisplay {
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
}

.alert {
    border-radius: 10px;
    border: none;
}

/* Modern gradient header */
.navbar-dark.bg-primary {
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%) !important;
}

/* Updated button colors */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

/* Text colors */
.text-primary {
    color: var(--primary-color) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

/* Badge colors */
.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
}

/* Alert colors */
.alert-info {
    background-color: #dbeafe;
    border-color: var(--info-color);
    color: #1e40af;
}

.alert-success {
    background-color: #d1fae5;
    border-color: var(--success-color);
    color: #065f46;
}

.alert-danger {
    background-color: #fee2e2;
    border-color: var(--danger-color);
    color: #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: var(--warning-color);
    color: #92400e;
}

.bi {
    margin-right: 0.5rem;
}

#resultsSection .card {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.border-success {
    border-width: 2px !important;
}

@media (max-width: 768px) {
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        width: 100%;
        margin: 2px 0;
    }
}

/* Loading state */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Article content styling */
.article-content {
    line-height: 1.8;
    font-size: 1.1rem;
}

.article-content p {
    margin-bottom: 1.5rem;
}

/* Keep embedded images responsive and avoid overlap */
.article-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5rem auto;
    clear: both;
}

/* Navbar active state */
.navbar-nav .nav-link.active {
    font-weight: 600;
}

/* Admin styles */
.min-vh-100 {
    min-height: 100vh;
}

/* Enhanced Blog/Article Styles */
.article-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15) !important;
}

.article-image-wrapper {
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
}

.article-featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-featured-image {
    transform: scale(1.05);
}

.article-image-placeholder {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    opacity: 0.7;
}

.article-title-link {
    color: var(--text-dark);
    transition: color 0.2s ease;
}

.article-title-link:hover {
    color: var(--primary-color);
}

.article-excerpt {
    min-height: 60px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Enhanced Homepage Styles */
.hero-section {
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    position: relative;
    overflow: hidden;
    padding: 5rem 0 !important;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><circle cx="30" cy="30" r="2"/></g></svg>');
    opacity: 0.3;
}

.min-vh-50 {
    min-height: 50vh;
}

.hero-icon-wrapper {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.hero-icon-wrapper i {
    font-size: 6rem;
    opacity: 0.9;
}

/* Feature Cards */
.feature-card {
    padding: 2rem;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
    font-size: 2rem;
}

.feature-card h4 {
    color: var(--text-dark);
}

/* Flagship Tool Section */
.bg-gradient-light {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.flagship-badge {
    display: inline-block;
}

.calculator-features {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.feature-item i {
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* Calculator Preview Mockup */
.calculator-preview-card {
    position: relative;
}

.calculator-mockup {
    background: white;
    border-radius: 8px;
    padding: 1rem;
}

.mockup-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 6px;
}

.mockup-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 8px;
    border: 2px solid var(--primary-color);
    margin-top: 1rem;
}

.mockup-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.mockup-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Age Matters Card */
.age-matters-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Stretch columns on desktop */
@media (min-width: 992px) {
    .col-lg-5.col-xl-5 {
        flex: 0 0 auto;
        width: 48%;
        max-width: 48%;
    }
}

.age-icon-wrapper,
.disclaimer-icon-wrapper {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

/* Blog Preview Cards */
.blog-preview-card .card {
    transition: all 0.3s ease;
    background: white;
}

.blog-preview-card .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12) !important;
}

.blog-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto;
}

.blog-preview-card h4 {
    color: var(--text-dark);
    font-size: 1.25rem;
}

.blog-preview-card ul li {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.blog-preview-card ul li i {
    flex-shrink: 0;
    font-size: 1.1rem;
}

.blog-preview-card .text-muted {
    color: var(--text-muted) !important;
    line-height: 1.7;
}

/* Responsive adjustments for homepage */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0 !important;
    }
    
    .hero-icon-wrapper {
        width: 150px;
        height: 150px;
    }
    
    .hero-icon-wrapper i {
        font-size: 4rem;
    }
    
    .age-matters-card {
        padding: 2rem 1.5rem;
    }
    
    .age-icon-wrapper {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .calculator-features {
        padding: 1rem;
    }
}

/* Enhanced Card Styles */
.card {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    font-weight: 600;
}

/* Better Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-dark);
}

.lead {
    font-weight: 400;
    color: var(--text-muted);
}

/* Enhanced Button Styles */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.6rem 1.5rem;
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-outline-primary {
    border-width: 2px;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Enhanced Navbar */
.navbar {
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: all 0.2s ease;
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
    margin: 0 0.25rem;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

/* Enhanced Footer */
footer {
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    border-top: 3px solid var(--primary-color);
}

footer h5 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 1rem;
}

footer a {
    transition: color 0.2s ease;
}

footer a:hover {
    color: var(--primary-color) !important;
}

/* Article Page Enhancements */
.article-featured-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-main-image {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

article img {
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin: 2rem 0;
}

/* Article action buttons */
.article-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.article-actions .btn {
    flex: 1;
    min-width: 150px;
    white-space: normal;
    word-wrap: break-word;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
}

/* Ad Container Styles */
.ad-container {
    display: none;
    justify-content: center;
    align-items: center;
}

.ad-container.ad-loaded {
    display: flex;
    min-height: 100px;
    padding: 1rem 0;
    margin: 2rem 0;
}

.ad-container ins {
    display: block;
    width: 100%;
    max-width: 100%;
}

/* Responsive ad adjustments */
@media (max-width: 768px) {
    .ad-container.ad-loaded {
        margin: 1rem 0;
        padding: 0.5rem 0;
    }
}

/* Social Share Buttons */
.social-share-container {
    padding: 0;
    background: transparent;
}

.social-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid;
    background-color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
}

.social-share-btn i {
    font-size: 1.1rem;
}

.social-share-btn:hover {
    text-decoration: none;
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Facebook */
.social-btn-facebook {
    border-color: #1877f2;
    color: #1877f2;
}

.social-btn-facebook:hover {
    background-color: #f0f4ff;
    color: #1877f2;
}

/* X (Twitter) */
.social-btn-x {
    border-color: #1da1f2;
    color: #1da1f2;
}

.social-btn-x:hover {
    background-color: #e8f4fd;
    color: #1da1f2;
}

/* LinkedIn */
.social-btn-linkedin {
    border-color: #0077b5;
    color: #0077b5;
}

.social-btn-linkedin:hover {
    background-color: #e6f2f8;
    color: #0077b5;
}

/* WhatsApp */
.social-btn-whatsapp {
    border-color: #25d366;
    color: #25d366;
}

.social-btn-whatsapp:hover {
    background-color: #e8f8f0;
    color: #25d366;
}

@media (max-width: 768px) {
    .social-share-container .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.75rem !important;
    }
    
    .social-share-container .fw-bold {
        margin-bottom: 0.5rem;
    }
    
    .social-share-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Blog Article Cards */
.blog-article-card {
    transition: all 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
}

.blog-article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15) !important;
}

.blog-article-card .article-image-wrapper img {
    transition: transform 0.3s ease;
}

.blog-article-card:hover .article-image-wrapper img {
    transform: scale(1.05);
}

.blog-article-card .article-title-link {
    color: var(--text-dark);
    transition: color 0.2s ease;
}

.blog-article-card .article-title-link:hover {
    color: var(--primary-color);
}

.blog-article-card .badge {
    transition: all 0.2s ease;
}

.blog-article-card .badge:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.article-title {
    font-size: 2rem;
    line-height: 1.3;
    color: var(--text-dark);
}

.article-meta-info {
    font-size: 0.95rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

@media (max-width: 576px) {
    .article-actions {
        flex-direction: column;
    }
    
    .article-actions .btn {
        width: 100%;
        min-width: auto;
    }
    
    .article-title {
        font-size: 1.5rem;
    }
    
    .article-meta-info {
        font-size: 0.9rem;
    }
    
    .card-body {
        padding: 1.25rem !important;
    }
}

.article-content {
    color: var(--text-dark);
}

.article-content h1,
.article-content h2,
.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

/* Better Spacing */
section {
    padding: 4rem 0;
}

.container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* Responsive Improvements */
/* Calculator Page Enhancements */
.calculator-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.results-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-left: 4px solid var(--primary-color);
}

/* Enhanced Empty State */
#emptyState {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    border: 2px dashed rgba(0, 0, 0, 0.1);
}

#emptyState i {
    opacity: 0.5;
}

/* Better Form Controls */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

/* Enhanced Alerts */
.alert {
    border-left: 4px solid;
    padding: 1.25rem 1.5rem;
}

.alert-info {
    border-left-color: var(--info-color);
}

.alert-success {
    border-left-color: var(--success-color);
}

.alert-danger {
    border-left-color: var(--danger-color);
}

.alert-warning {
    border-left-color: var(--warning-color);
}

/* About Page Styles */
.about-icon-left {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    flex-shrink: 0;
    margin-right: 1.5rem;
}

/* Responsive adjustments for about page */
@media (max-width: 768px) {
    .about-icon-left {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-right: 1rem;
        margin-bottom: 0;
    }
    
    .about-page .card-body {
        padding: 1.5rem;
    }
    
    .about-page h2 {
        font-size: 1.5rem;
    }
    
    .value-icon-wrapper {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
}

/* iPhone 14 and similar sizes (390px - 428px width) */
/* Currency Conversion Styles */
#conversionInfo {
    padding: 0.5rem;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 3px solid var(--primary-color);
    font-size: 0.9rem;
}

#conversionInfo i {
    color: var(--primary-color);
}

.form-select-lg {
    font-size: 1rem;
    padding: 0.75rem 1rem;
}

@media (max-width: 428px) {
    .about-icon-left {
        width: 55px;
        height: 55px;
        font-size: 1.4rem;
        margin-right: 0.75rem;
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1.25rem !important;
    }
    
    .about-page h2,
    h2.fw-bold {
        font-size: 1.35rem;
        margin-bottom: 1rem;
    }
    
    .text-muted {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .value-icon-wrapper {
        width: 65px;
        height: 65px;
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }
    
    .value-icon-wrapper + h4 {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.95rem;
    }
    
    .btn-lg {
        padding: 0.6rem 1.2rem;
        font-size: 1rem;
    }
    
    /* Values section spacing */
    .row.g-4 > [class*="col-"] {
        margin-bottom: 2rem;
    }
    
    /* Card spacing */
    .card.mb-4,
    .card.mb-5 {
        margin-bottom: 1.5rem !important;
    }
    
    /* Container padding */
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* List spacing */
    ul.text-muted li {
        margin-bottom: 0.75rem;
        font-size: 0.9rem;
    }
}

.about-icon-wrapper {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    margin: 0 auto;
}

.value-icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto;
}

/* Professional About Page Cards */
.about-page .card {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.about-page .card-body {
    padding: 2.5rem;
}

.about-page h2 {
    color: var(--text-dark);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.about-page .text-muted {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 1rem;
}

.about-page ul {
    padding-left: 1.5rem;
}

.about-page ul li {
    line-height: 1.8;
}

@media (max-width: 768px) {
    .article-image-wrapper,
    .article-image-placeholder {
        height: 180px;
    }
    
    .article-excerpt {
        min-height: auto;
        -webkit-line-clamp: 2;
    }
    
    section {
        padding: 2rem 0;
    }
    
    .article-featured-image-container {
        min-height: 200px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .about-icon-wrapper {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .value-icon-wrapper {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
}