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

:root {
    --primary: #FF6B35;
    --secondary: #F7931E;
    --accent: #004E89;
    --success: #00A878;
    --dark: #1A1A2E;
    --darker: #0F0F1E;
    --light: #F5F5F5;
    --white: #FFFFFF;
    --gray: #6B7280;
    --gray-light: #E5E7EB;
    --gradient: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    --gradient-alt: linear-gradient(135deg, #004E89 0%, #00A878 100%);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

.hero-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(247, 147, 30, 0.05) 50%, rgba(0, 78, 137, 0.05) 100%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav a:after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

.nav a:hover:after {
    width: 100%;
}

.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.03) 0%, rgba(0, 78, 137, 0.03) 100%);
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.5;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.btn {
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--shadow);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border-color: var(--gray-light);
}

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

.content-section {
    padding: 80px 0;
}

.content-section .container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 48px;
}

.article-header {
    margin-bottom: 32px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(247, 147, 30, 0.1) 100%);
    color: var(--primary);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
}

.article-header h2 {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
}

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

.lead {
    font-size: 20px;
    line-height: 1.7;
    color: var(--gray);
    margin-bottom: 40px;
    font-weight: 400;
}

.article-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin: 48px 0 20px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 12px;
}

.icon {
    font-size: 32px;
}

.article-content p {
    margin-bottom: 20px;
    font-size: 17px;
    line-height: 1.8;
    color: #374151;
}

.article-content strong {
    color: var(--dark);
    font-weight: 700;
}

.callout {
    background: linear-gradient(135deg, rgba(0, 78, 137, 0.05) 0%, rgba(0, 168, 120, 0.05) 100%);
    padding: 32px;
    border-radius: 16px;
    margin: 48px 0;
    border-left: 4px solid var(--accent);
}

.callout h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--accent);
}

.callout p {
    margin: 0;
    color: var(--dark);
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card {
    background: var(--white);
    padding: 28px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
}

.card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark);
}

.card.highlight {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(247, 147, 30, 0.05) 100%);
    border-color: var(--primary);
}

.check-list {
    list-style: none;
}

.check-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-light);
    position: relative;
    padding-left: 28px;
}

.check-list li:last-child {
    border-bottom: none;
}

.check-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
    font-size: 18px;
}

.card ul {
    list-style: none;
}

.card ul li {
    padding: 8px 0;
    color: var(--dark);
    font-size: 15px;
    position: relative;
    padding-left: 20px;
}

.card ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.link-list li:before {
    content: '→';
}

.link-list a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.faq-section {
    background: var(--light);
    padding: 80px 0;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 56px;
    color: var(--dark);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.faq-item {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.faq-item h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.faq-item p {
    color: var(--gray);
    font-size: 15px;
    line-height: 1.6;
}

.footer {
    background: var(--darker);
    color: var(--light);
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--white);
}

.footer-section p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.6;
}

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

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

.footer-section a {
    color: var(--gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary);
}

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

.footer-bottom p {
    color: var(--gray);
    font-size: 14px;
}

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

@media (max-width: 968px) {
    .content-section .container {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 42px;
    }

    .nav {
        gap: 20px;
    }

    .nav a {
        font-size: 14px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        text-align: center;
    }

    .header .container {
        flex-direction: column;
        gap: 16px;
    }

    .nav {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .article-header h2 {
        font-size: 32px;
    }

    .article-content h3 {
        font-size: 24px;
    }

    .section-title {
        font-size: 32px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}