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

:root {
    --primary: #10B981;
    --primary-dark: #059a68;
    --dark-green: #0B4D3C;
    --dark-green-deep: #083D30;
    --mint-light: #F0FDF9;
    --mint-lighter: #F7FEFB;
    --dark-bg: #2B2B2B;
    --light-bg: #F5F7FA;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --bg-light: #F9FAFB;
    --border-color: #E5E7EB;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: white;
}

.doc-logo{
    text-decoration: none !important;
    color: #000 !important;
    font-weight: 600;
    font-size: 1.25rem;
}

.doc-logo:hover{
    text-decoration: none !important;
    color: #000 !important;
}

.doc-logo .badge{
    background-color: #10B981;
    padding: 6px 12px;
    font-size: 11px;
    color: #fff;
    border-radius: 6px;
    margin-left: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Header */
.header {
    background: white;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge {
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.1s;
}

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

.btn-primary {
    background: var(--primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.1s;
}

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

/* Hero Section */
.hero-section {
    background: var(--light-bg);
    padding: 80px 24px;
    text-align: center;
}

.hero-container {
    max-width: 700px;
    margin: 0 auto;
}

.hero-container h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.hero-container p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Search Container */
.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-container i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.search-container input {
    width: 100%;
    padding: 16px 20px 16px 55px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
    transition: all 0.3s;
}

.search-container input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(91, 79, 255, 0.1);
}

/* Topics Section */
.topics-section {
    padding: 80px 24px;
    background: white;
}

.topics-container {
    max-width: 1400px;
    margin: 0 auto;
}

.topics-container h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-primary);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.topic-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    cursor: pointer;
    transition: all 0.3s;
}

.topic-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(91, 79, 255, 0.15);
    transform: translateY(-4px);
}

.topic-icon {
    width: 48px;
    height: 48px;
    background: rgba(91, 79, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.topic-icon i {
    font-size: 1.5rem;
    color: var(--primary);
}

.topic-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.topic-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Popular Section */
.popular-section {
    padding: 80px 24px;
    background: white;
    border-top: 1px solid var(--border-color);
}

.popular-container {
    max-width: 1400px;
    margin: 0 auto;
}

.popular-container h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-primary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.article-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    transition: all 0.3s;
}

.article-link:hover {
    background: var(--light-bg);
    border-color: var(--primary);
}

.article-link i {
    color: var(--primary);
    transition: transform 0.1s;
}

.article-link:hover i {
    transform: translateX(4px);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 60px 24px 0;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.footer-brand p {
    color: #9CA3AF;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: #9CA3AF;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.1s;
}

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

.footer-column p {
    color: #9CA3AF;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.contact-btn {
    display: inline-block;
    background: var(--primary);
    color: white !important;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.1s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: #6B7280;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 992px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-columns {
        grid-template-columns: 1fr;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }
}

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

    .nav-links {
        display: none;
    }

    .topics-grid {
        grid-template-columns: 1fr;
    }

    .header-container {
        padding: 0 24px;
    }
}