/* ========================================
   GLOBAL STYLES & RESET
   ======================================== */

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

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --dark-color: #1a202c;
    --light-color: #f7fafc;
    --text-color: #2d3748;
    --text-light: #718096;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --danger-color: #f56565;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.site-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: white;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255, 255, 255, 0.2);
}

.nav-cta .btn-primary {
    background: white;
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    0% { background-position: 0 0, 25px 25px; }
    100% { background-position: 50px 50px, 75px 75px; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
    color: white;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn-hero-primary,
.btn-hero-secondary {
    padding: 1rem 2rem;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-hero-primary {
    background: white;
    color: var(--primary-color);
}

.btn-hero-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-hero-secondary:hover {
    background: white;
    color: var(--primary-color);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    font-size: 2rem;
    opacity: 0.7;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========================================
   PAGE HEADER
   ======================================== */

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 2px, transparent 2px);
    background-size: 40px 40px;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: white;
    position: relative;
    z-index: 1;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    color: white;
    position: relative;
    z-index: 1;
}

/* ========================================
   SECTION STYLES
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
}

/* ========================================
   FEATURES SECTION
   ======================================== */

.features-section {
    padding: 5rem 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   HOW IT WORKS
   ======================================== */

.how-it-works {
    padding: 5rem 0;
    background: linear-gradient(to bottom, white 0%, var(--light-color) 100%);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin: 1rem 0;
}

.step h3 {
    margin: 1rem 0 0.5rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: white;
    opacity: 0.9;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    color: var(--primary-color);
    padding: 1.2rem 2.5rem;
    border-radius: 30px;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* ========================================
   ABOUT PAGE
   ======================================== */

.about-section {
    padding: 5rem 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text h2 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.about-text h2:first-child {
    margin-top: 0;
}

.feature-list {
    list-style: none;
    margin-top: 1rem;
}

.feature-list li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-color);
}

.feature-list i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    color: white;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ========================================
   PRICING PAGE
   ======================================== */

.pricing-section {
    padding: 5rem 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.plan-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.price {
    margin: 1.5rem 0;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.amount {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

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

.plan-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.plan-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features i {
    font-size: 1.2rem;
}

.plan-features .fa-check {
    color: var(--success-color);
}

.plan-features .fa-times {
    color: var(--text-light);
}

.plan-features li.disabled {
    color: var(--text-light);
}

.btn-plan {
    display: block;
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-plan:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-plan-featured {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* ========================================
   CONTACT PAGE
   ======================================== */

.contact-section {
    padding: 5rem 0;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin: 2rem 0;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.contact-details p {
    color: var(--text-light);
}

.social-links-large {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links-large a {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.social-links-large a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.contact-form-container {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-submit {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ========================================
   BLOG PAGE - ENHANCED
   ======================================== */

.blog-section {
    padding: 5rem 0;
    background: linear-gradient(to bottom, #ffffff 0%, #f7fafc 100%);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
}

.blog-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.blog-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

/* Blog Placeholder for when no image */
.blog-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

.blog-meta i {
    color: var(--primary-color);
}

.blog-content h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-size: 1.4rem;
    line-height: 1.4;
}

.blog-content p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: var(--text-color);
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.read-more:hover {
    gap: 0.75rem;
    color: var(--secondary-color);
}

.read-more i {
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(5px);
}
/* ========================================
   DETECTION PAGE
   ======================================== */

.detection-section {
    padding: 3rem 0 5rem;
    background: linear-gradient(to bottom, white 0%, var(--light-color) 100%);
    min-height: 80vh;
}

.upload-area {
    background: white;
    border: 3px dashed var(--border-color);
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--light-color);
}

.upload-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-area h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.btn-upload,
.btn-detect {
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    margin: 0.5rem;
}

.btn-upload {
    background: var(--primary-color);
    color: white;
}

.btn-detect {
    background: linear-gradient(135deg, var(--success-color) 0%, #38a169 100%);
    color: white;
}

.btn-upload:hover,
.btn-detect:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Loading State */
.loading-container {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-container h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.loading-bar {
    width: 100%;
    max-width: 400px;
    height: 8px;
    background: var(--border-color);
    border-radius: 10px;
    margin: 2rem auto 0;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* Results Container */
.results-container {
    animation: fadeIn 0.5s ease;
}

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

.results-title {
    text-align: center;
    color: var(--success-color);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.result-card {
    background: white;
    border-radius: 15px;
    padding: 0;
    box-shadow: var(--shadow);
}

/* Summary Box */
.summary-box,
.legend-box {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    height: 100%;
}

.summary-box h3,
.legend-box h3 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.total-count {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
    padding: 1rem;
    background: var(--light-color);
    border-radius: 8px;
}

.summary-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.summary-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
}

.summary-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.summary-table tr:hover {
    background: var(--light-color);
}

.abbr-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-weight: bold;
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.legend-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--light-color);
    border-radius: 8px;
}

.legend-text {
    font-size: 0.95rem;
    color: var(--text-color);
}

/* Display Mode Section */
.display-mode-section {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.display-mode-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toggle-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.radio-label {
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
    background: white;
}

.radio-label:hover {
    border-color: var(--primary-color);
    background: var(--light-color);
}

.radio-label input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.radio-label span {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.radio-label:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.radio-label:has(input[type="radio"]:checked) span {
    color: var(--primary-color);
    font-weight: 600;
}

.mode-description {
    color: var(--text-light);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--light-color);
    border-radius: 8px;
}

/* Image Result Container */
.image-result-container {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.image-result-container h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.image-display {
    position: relative;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: var(--light-color);
    margin-bottom: 1rem;
}

#staticImageContainer img,
#interactiveCanvas {
    width: 100%;
    height: auto;
    display: block;
}

#interactiveCanvas {
    cursor: crosshair;
}

.interactive-hint {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.hover-info {
    position: fixed;
    background: rgba(0, 0, 0, 0.95);
    color: white;
    padding: 1rem 1.25rem;
    border-radius: 10px;
    font-size: 0.95rem;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    display: none;
    line-height: 1.6;
    border: 2px solid var(--primary-color);
}

.hover-info strong {
    color: var(--accent-color);
    font-size: 1.1rem;
}

/* Image Actions */
.image-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-action {
    flex: 1;
    min-width: 150px;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

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

/* JSON Section */
.json-section {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.json-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.json-header h3 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.btn-copy {
    padding: 0.5rem 1rem;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-copy:hover {
    background: #38a169;
}

#jsonOutput {
    background: #2d3748;
    color: #a0aec0;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    max-height: 500px;
    overflow-y: auto;
}

/* New Detection Button */
.new-detection {
    text-align: center;
    margin-top: 3rem;
}

.btn-new-detection {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-new-detection:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer-col ul li a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        margin: 1rem 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .toggle-buttons {
        flex-direction: column;
    }
    
    .radio-label {
        width: 100%;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .image-actions {
        flex-direction: column;
    }
    
    .btn-action {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.hidden {
    display: none;
}