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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.15);
    --shadow-xl: 0 15px 40px rgba(0,0,0,0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===============================================
   BASE STYLES
   =============================================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===============================================
   HEADER & NAVIGATION
   =============================================== */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--gray-200);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo::before {
    font-size: 1.5rem;
}


.logo img{
    width: 42px;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: all var(--transition-normal);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
}

.nav-links a:hover {
    color: var(--primary-color);
    background: var(--gray-100);
    transform: translateY(-1px);
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-600);
    cursor: pointer;
}

/* ===============================================
   HERO SECTIONS
   =============================================== */
.hero {
    text-align: center;
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::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="%239ca3af" fill-opacity="0.05"><circle cx="30" cy="30" r="1"/></g></svg>') repeat;
    pointer-events: none;
}

.hero.primary-bg {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.hero.primary-bg::before {
    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="0.1"><circle cx="30" cy="30" r="1"/></g></svg>') repeat;
}

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

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    color: var(--gray-900);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.025em;
}

.hero.primary-bg h1 {
    color: white;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.hero.primary-bg .subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===============================================
   CONTENT SECTIONS
   =============================================== */
.content-section {
    padding: 6rem 0;
    background: white;
}

.content-section:nth-child(even) {
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* ===============================================
   CARDS & GRIDS
   =============================================== */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: start;
}

.content-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.content-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.content-card h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    font-weight: 600;
}

.content-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

.content-card ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.content-card li {
    padding: 0.5rem 0;
    color: var(--gray-600);
    position: relative;
    padding-left: 1.5rem;
}

.content-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* ===============================================
   FEATURES SECTION
   =============================================== */
.features {
    padding: 6rem 0;
    background: #ffffff;
}

.features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-header h2 {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    font-weight: 700;
}

.features-header p {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

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

.feature {
    background: var(--gray-50);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: #ffffff;
}

.feature:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature h3 {
    margin-bottom: 1rem;
    color: var(--gray-900);
    font-size: 1.3rem;
    font-weight: 600;
}

.feature p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===============================================
   UPLOAD SECTION (Homepage specific)
   =============================================== */
.upload-section {
    background: #ffffff;
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    margin: 0 auto 4rem;
    max-width: 700px;
    border: 1px solid var(--gray-200);
}

.upload-header {
    text-align: center;
    margin-bottom: 2rem;
}

.upload-header h2 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.upload-header p {
    color: var(--gray-600);
}

.file-upload {
    border: 3px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}

.file-upload::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left var(--transition-slow);
}

.file-upload:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.02);
    transform: translateY(-2px);
}

.file-upload:hover::before {
    left: 100%;
}

.file-upload.dragover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    transform: scale(1.02);
}

.upload-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: var(--gray-400);
    transition: all var(--transition-normal);
}

.file-upload:hover .upload-icon {
    color: var(--primary-color);
    transform: scale(1.1);
}

.upload-text {
    font-size: 1.2rem;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.upload-subtext {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.file-input {
    display: none;
}

.file-info {
    background: var(--gray-100);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-top: 1rem;
    display: none;
}

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

.file-name {
    font-weight: 600;
    color: var(--gray-900);
}

.file-size {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.change-file {
    background: var(--gray-200);
    color: var(--gray-700);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.change-file:hover {
    background: var(--gray-300);
}

/* ===============================================
   COMPRESSION OPTIONS
   =============================================== */
.compression-options {
    margin-top: 2rem;
    display: none;
}

.compression-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.compression-header h3 {
    font-size: 1.2rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.option {
    padding: 1.5rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.option:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
}

.option:hover::before {
    transform: scaleX(1);
}

.option.selected {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.03);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
}

.option.selected::before {
    transform: scaleX(1);
}

.option-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.option h4 {
    margin-bottom: 0.5rem;
    color: var(--gray-900);
    font-size: 1.1rem;
}

.option p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.4;
}

.option .compression-level {
    display: block;
    margin-top: 0.5rem;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.high .compression-level { color: var(--secondary-color); }
.medium .compression-level { color: var(--warning-color); }
.low .compression-level { color: var(--danger-color); }

/* ===============================================
   BUTTONS
   =============================================== */
.btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    width: 100%;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn:disabled::before {
    display: none;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.download-btn {
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    margin-top: 1rem;
}

.download-btn:hover {
    background: linear-gradient(135deg, #059669, var(--secondary-color));
}

/* ===============================================
   PROGRESS SECTION
   =============================================== */
.progress {
    display: none;
    margin-top: 2rem;
    text-align: center;
}

.progress-header {
    margin-bottom: 1.5rem;
}

.progress-header h3 {
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 1rem;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-normal);
    width: 0%;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

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

.progress-text {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.result-card {
    background: var(--gray-100);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid var(--secondary-color);
    margin-top: 1rem;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.result-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    display: block;
}

.result-stat-label {
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* ===============================================
   CONTACT FORM
   =============================================== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-form {
    background: #fff;
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form h2 {
    margin-bottom: 2rem;
    color: var(--gray-900);
    font-size: 1.8rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
    min-height: 80px;
    max-height: 300px;
}

.form-group.required label::after {
    content: " *";
    color: var(--danger-color);
}

.char-counter {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-align: right;
    margin-top: 0.25rem;
}

.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.success-message {
    background: var(--secondary-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.error-message {
    background: var(--danger-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-info {
    background: #fff;
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    height: fit-content;
}

.contact-info h2 {
    margin-bottom: 2rem;
    color: var(--gray-900);
    font-size: 1.8rem;
}

.contact-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item h3 {
    margin-bottom: 0.5rem;
    color: var(--gray-900);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-item p {
    color: var(--gray-600);
    margin-bottom: 0.25rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* ===============================================
   FAQ SECTION
   =============================================== */
.faq-section {
    margin-top: 4rem;
    background: #fff;
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--gray-900);
    font-size: 2rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: var(--gray-900);
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--gray-600);
}

/* ===============================================
   BLOG STYLES
   =============================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.blog-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.blog-content {
    padding: 2rem;
}

.blog-meta {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.blog-title a {
    text-decoration: none;
    color: inherit;
}

.blog-title a:hover {
    color: var(--primary-color);
}

.blog-excerpt {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.read-more:hover {
    text-decoration: underline;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--gray-700);
}

.pagination a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination .current {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ===============================================
   SINGLE BLOG POST
   =============================================== */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.article-header {
    padding: 3rem 3rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.article-meta {
    opacity: 0.9;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.article-content {
    padding: 3rem;
}

.article-content h2 {
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    color: var(--gray-900);
}

.article-content h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--gray-700);
}

.article-content p {
    margin-bottom: 1.5rem;
    color: var(--gray-600);
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
    color: var(--gray-600);
}

.article-content code {
    background: var(--gray-100);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
}

.article-content pre {
    background: var(--gray-900);
    color: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.article-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--gray-500);
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.back-link:hover {
    text-decoration: underline;
}

.related-posts {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--gray-100);
}

.related-posts h3 {
    margin-bottom: 2rem;
    text-align: center;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.related-card {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
}

.related-card h4 {
    margin-bottom: 0.5rem;
}

.related-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.related-card a:hover {
    text-decoration: underline;
}

/* ===============================================
   TIMELINE (About page)
   =============================================== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 2rem;
}

.timeline-item:nth-child(odd) {
    padding-right: 2rem;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0.5rem 0;
}

.timeline-description {
    color: var(--gray-600);
    line-height: 1.6;
}

.timeline-item::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 2rem;
}

.timeline-item:nth-child(odd)::before {
    right: -6px;
}

.timeline-item:nth-child(even)::before {
    left: -6px;
}

/* ===============================================
   TEAM SECTION
   =============================================== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
    background: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

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

.member-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    font-weight: bold;
}

.member-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.member-role {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.member-bio {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===============================================
   STATS SECTION
   =============================================== */
.stats-section {
    background: var(--gray-900);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-light);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--gray-300);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===============================================
   HOW IT WORKS SECTION
   =============================================== */
.how-it-works {
    padding: 6rem 0;
    background: var(--gray-50);
}

.how-it-works-header {
    text-align: center;
    margin-bottom: 4rem;
}

.how-it-works-header h2 {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    font-weight: 700;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 2;
}

.step h3 {
    margin-bottom: 1rem;
    color: var(--gray-900);
    font-size: 1.2rem;
}

.step p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===============================================
   TESTIMONIALS
   =============================================== */
.testimonials {
    padding: 6rem 0;
    background: #ffffff;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 4rem;
}

.testimonials-header h2 {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    font-weight: 700;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    position: relative;
}

.testimonial::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-family: serif;
}

.testimonial-content {
    margin-bottom: 1.5rem;
    color: var(--gray-700);
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
}

.author-info h4 {
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.author-info p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* ===============================================
   CTA SECTION
   =============================================== */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.cta h2,
.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta p,
.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-btn {
    background: white;
    color: var(--primary-color);
    padding: 1rem 3rem;
    font-size: 1.2rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===============================================
   ERROR PAGES
   =============================================== */
.error-container {
    background: white;
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    max-width: 500px;
    width: 100%;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.error-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.error-message {
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.support-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* ===============================================
   FOOTER
   =============================================== */
footer {
    background: var(--gray-900);
    color: #ffffff;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-section a {
    color: var(--gray-400);
    text-decoration: none;
    line-height: 2;
    display: block;
    transition: color var(--transition-normal);
}

.footer-section a:hover {
    color: #ffffff;
}

.footer-section p {
    color: var(--gray-400);
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-700);
    color: var(--gray-500);
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
}

/* ===============================================
   UTILITY CLASSES
   =============================================== */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

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

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

/* ===============================================
   SCROLLBAR STYLING
   =============================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ===============================================
   MOBILE RESPONSIVENESS
   =============================================== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-md);
        gap: 0;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 1rem;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .upload-section {
        padding: 2rem 1.5rem;
        margin: 0 1rem 3rem;
    }
    
    .features-grid,
    .testimonials-grid,
    .content-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .result-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form,
    .contact-info {
        padding: 2rem 1.5rem;
    }
    
    .faq-section {
        padding: 2rem 1.5rem;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 3rem;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
        padding-left: 3rem;
    }
    
    .timeline-item::before {
        left: 14px !important;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .result-stats,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .content-card,
    .team-member {
        padding: 1.5rem;
    }
    
    .error-actions {
        flex-direction: column;
    }
}

/* ===============================================
   PRINT STYLES
   =============================================== */
@media print {
    header,
    footer,
    .nav-links,
    .mobile-menu-btn,
    .btn,
    .cta,
    .cta-section {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .container {
        max-width: none !important;
        padding: 0 !important;
    }
}

/* ===============================================
   HIGH CONTRAST MODE
   =============================================== */
@media (prefers-contrast: high) {
    :root {
        --gray-50: #ffffff;
        --gray-100: #f0f0f0;
        --gray-200: #d0d0d0;
        --gray-300: #b0b0b0;
        --gray-400: #808080;
        --gray-500: #606060;
        --gray-600: #404040;
        --gray-700: #202020;
        --gray-800: #101010;
        --gray-900: #000000;
    }
}

/* ===============================================
   REDUCED MOTION
   =============================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.has-text-align-left{
    text-align: left;
    margin-right: 10px;
}