:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --success: #10b981;
    --error: #ef4444;
    --warning: #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;
    
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-hero: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #3730a3 100%);
    --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.navbar {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.logo-highlight {
    color: var(--primary);
}

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

.nav-link {
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--gray-200);
        display: none;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

.hero {
    background: var(--gradient-hero);
    padding: 4rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

@media (max-width: 768px) {
    .hero {
        padding: 2.5rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

.tool-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: var(--shadow-xl);
}

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

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

.tool-header p {
    color: var(--gray-500);
}

.input-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.url-input {
    flex: 1;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    outline: none;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
}

.url-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.url-input::placeholder {
    color: var(--gray-400);
}

@media (max-width: 640px) {
    .tool-card {
        padding: 1.5rem;
        border-radius: var(--radius-lg);
    }
    
    .input-group {
        flex-direction: column;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.5);
    color: white;
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-block {
    width: 100%;
}

.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-primary.loading::after {
    border-top-color: white;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.error-message {
    background: #fef2f2;
    color: var(--error);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: none;
    border: 1px solid #fecaca;
}

.error-message.visible {
    display: block;
}

.preview-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
    animation: fadeIn 0.3s ease;
}

.preview-section.hidden {
    display: none;
}

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

.preview-header {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.preview-info {
    flex: 1;
}

.preview-info h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.preview-info p {
    color: var(--success);
    font-weight: 500;
}

.preview-thumbnail {
    width: 120px;
    height: 90px;
    background: var(--gray-100);
    border-radius: var(--radius);
    overflow: hidden;
}

.preview-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.download-options h4 {
    font-size: 1rem;
    color: var(--gray-700);
    margin-bottom: 1rem;
}

.format-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (max-width: 640px) {
    .format-buttons {
        grid-template-columns: 1fr;
    }
    
    .preview-header {
        flex-direction: column-reverse;
    }
    
    .preview-thumbnail {
        width: 100%;
        height: 120px;
    }
}

.btn-download {
    flex-direction: column;
    padding: 1.5rem;
    border: 2px solid var(--gray-200);
    background: white;
    color: var(--gray-700);
    border-radius: var(--radius-lg);
}

.btn-download:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
    color: var(--primary);
}

.btn-download .btn-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 0.5rem;
}

.btn-download span {
    font-size: 1rem;
    font-weight: 600;
}

.btn-download small {
    font-size: 0.75rem;
    color: var(--gray-500);
    font-weight: 400;
    margin-top: 0.25rem;
}

.btn-pdf:hover {
    border-color: #dc2626;
    background: rgba(220, 38, 38, 0.05);
    color: #dc2626;
}

.btn-ppt:hover {
    border-color: #ea580c;
    background: rgba(234, 88, 12, 0.05);
    color: #ea580c;
}

.download-progress {
    margin-top: 1.5rem;
    text-align: center;
}

.download-progress.hidden {
    display: none;
}

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    animation: progress 2s ease-in-out infinite;
}

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

.progress-text {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    font-weight: 500;
}

.badge-icon {
    font-size: 1.25rem;
}

@media (max-width: 640px) {
    .trust-badges {
        gap: 1rem;
    }
    
    .badge {
        font-size: 0.8rem;
    }
}

.features-section,
.how-it-works,
.seo-content,
.cta-section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-100);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary);
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

.how-it-works {
    background: var(--gray-100);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
}

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

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

.step-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.step-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

.seo-content {
    background: white;
}

.content-article {
    max-width: 800px;
    margin: 0 auto;
}

.content-article h2 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin: 2.5rem 0 1rem;
}

.content-article h3 {
    font-size: 1.35rem;
    color: var(--gray-800);
    margin: 2rem 0 0.75rem;
}

.content-article h4 {
    font-size: 1.125rem;
    color: var(--gray-800);
    margin: 1.5rem 0 0.75rem;
}

.content-article p {
    color: var(--gray-700);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-article ul,
.content-article ol {
    margin: 1rem 0 1.5rem 1.5rem;
    color: var(--gray-700);
}

.content-article li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.content-article strong {
    color: var(--gray-900);
}

.benefits-list h4 {
    color: var(--primary);
    font-size: 1.125rem;
    margin: 1.5rem 0 0.5rem;
}

.faq-section {
    margin-top: 2rem;
}

.faq-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

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

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

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

.cta-section {
    background: var(--gradient-hero);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.25rem;
    color: white;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.btn-cta {
    background: white;
    color: var(--primary);
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 0, 0, 0.3);
    color: var(--primary-dark);
}

.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 4rem 0 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--gray-800);
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-section h3 {
    font-size: 1.25rem;
    color: white;
    margin-bottom: 1rem;
}

.footer-section h4 {
    font-size: 1rem;
    color: white;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section p {
    line-height: 1.7;
    font-size: 0.9rem;
}

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

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

.footer-section ul a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-section ul a:hover {
    color: white;
}

.footer-bottom {
    padding: 1.5rem 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: white;
}

@media (max-width: 640px) {
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

.page-hero {
    background: var(--gradient-hero);
    padding: 4rem 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 0.75rem;
}

.page-hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
    .page-hero {
        padding: 3rem 0;
    }
    
    .page-hero h1 {
        font-size: 2rem;
    }
}

.about-content,
.contact-content,
.blog-content,
.article-content,
.legal-content {
    padding: 4rem 0;
}

.about-grid,
.legal-grid,
.article-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

@media (max-width: 992px) {
    .about-grid,
    .legal-grid,
    .article-grid {
        grid-template-columns: 1fr;
    }
}

.about-main article,
.legal-main,
.article-main {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.about-main h2,
.legal-main h2,
.article-main h2 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin: 2rem 0 1rem;
}

.about-main h2:first-child,
.legal-main h2:first-of-type {
    margin-top: 0;
}

.about-main p,
.legal-main p,
.article-main p {
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-main ul,
.about-main ol,
.legal-main ul,
.legal-main ol {
    margin: 1rem 0 1.5rem 1.5rem;
    color: var(--gray-700);
}

.about-main li,
.legal-main li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (max-width: 640px) {
    .values-grid {
        grid-template-columns: 1fr;
    }
}

.value-card {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}

.value-card h3 {
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.value-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
}

.cta-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    margin-top: 2.5rem;
}

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

.cta-box p {
    color: var(--gray-600);
    margin-bottom: 1.25rem;
}

.about-sidebar,
.legal-sidebar,
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.sidebar-card h3 {
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--gray-100);
}

.sidebar-card ul {
    list-style: none;
}

.sidebar-card ul li {
    margin-bottom: 0.75rem;
}

.sidebar-card ul a {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.sidebar-card ul a:hover,
.sidebar-card ul a.active {
    color: var(--primary);
}

.sidebar-card.highlight {
    background: var(--gradient-primary);
    color: white;
}

.sidebar-card.highlight h3 {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.sidebar-card.highlight p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.stats-card .stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.stats-card .stat:last-child {
    border-bottom: none;
}

.stat-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

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

.last-updated {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-style: italic;
    margin-bottom: 1.5rem;
}

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

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-info h2 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
}

.contact-details h3 {
    font-size: 1rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.contact-details p {
    color: var(--gray-700);
    font-weight: 500;
}

.contact-details small {
    color: var(--gray-500);
    font-size: 0.8rem;
}

.faq-preview h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.faq-preview > p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.mini-faq details {
    background: white;
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.mini-faq summary {
    padding: 1rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--gray-800);
    list-style: none;
}

.mini-faq summary::-webkit-details-marker {
    display: none;
}

.mini-faq summary::before {
    content: '+ ';
    color: var(--primary);
    font-weight: 700;
}

.mini-faq details[open] summary::before {
    content: '- ';
}

.mini-faq details p {
    padding: 0 1rem 1rem;
    color: var(--gray-600);
    font-size: 0.9rem;
    margin: 0;
}

.form-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-card h2 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    outline: none;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-message {
    padding: 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    margin-top: 1.5rem;
}

.form-message.success {
    background: #ecfdf5;
    color: #047857;
}

.form-message.hidden {
    display: none;
}

.form-message svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    stroke: #10b981;
}

.form-message p {
    font-weight: 500;
}

.related-links {
    background: var(--gray-100);
    padding: 4rem 0;
}

.related-links h2 {
    font-size: 1.75rem;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 2rem;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 992px) {
    .links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .links-grid {
        grid-template-columns: 1fr;
    }
}

.link-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.link-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.link-card h3 {
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.link-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

.blog-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.blog-card-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.blog-date,
.blog-read-time {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.blog-card h2 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.blog-card h2 a {
    color: var(--gray-900);
}

.blog-card h2 a:hover {
    color: var(--primary);
}

.blog-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.read-more {
    font-weight: 600;
    font-size: 0.9rem;
}

.blog-cta {
    background: white;
    padding: 3rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.blog-cta h2 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

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

.article-hero {
    background: var(--gradient-hero);
    padding: 3rem 0;
}

.breadcrumb {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
    color: white;
}

.article-hero h1 {
    font-size: 2.25rem;
    color: white;
    margin-bottom: 1rem;
    max-width: 800px;
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.article-main h2 {
    margin-top: 2rem;
}

.article-main h2:first-child {
    margin-top: 0;
}

.article-cta {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    margin: 2.5rem 0;
}

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

.article-cta p {
    color: var(--gray-600);
    margin-bottom: 1.25rem;
}

.article-share {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

.article-share h4 {
    font-size: 1rem;
    color: var(--gray-700);
    margin-bottom: 1rem;
}

.share-buttons {
    display: flex;
    gap: 0.75rem;
}

.share-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.share-btn.twitter {
    background: #e8f5fd;
    color: #1da1f2;
}

.share-btn.twitter:hover {
    background: #1da1f2;
    color: white;
}

.share-btn.linkedin {
    background: #e8f4f8;
    color: #0077b5;
}

.share-btn.linkedin:hover {
    background: #0077b5;
    color: white;
}

.share-btn.facebook {
    background: #e8f0fe;
    color: #1877f2;
}

.share-btn.facebook:hover {
    background: #1877f2;
    color: white;
}

.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
}

.error-content {
    text-align: center;
    max-width: 500px;
}

.error-code {
    font-size: 8rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 1rem;
}

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

.error-content p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.error-links h3 {
    font-size: 1rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
}

.error-links ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.error-links a {
    color: var(--primary);
    font-weight: 500;
}

@media (max-width: 640px) {
    .error-code {
        font-size: 5rem;
    }
    
    .error-actions {
        flex-direction: column;
    }
    
    .error-links ul {
        flex-direction: column;
        gap: 0.75rem;
    }
}