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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #0f172a;
    --text: #334155;
    --text-light: #64748b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --border: #e2e8f0;
    --success: #22c55e;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-list a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-list a: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: 25px;
    height: 2px;
    background: var(--secondary);
    transition: 0.3s;
}

.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    text-align: center;
}

.hero h1 {
    font-size: 2.75rem;
    color: var(--secondary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section h2 {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 40px;
    text-align: center;
}

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

.info-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.features-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.features-list li {
    display: flex;
    gap: 20px;
    background: var(--bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.features-list strong {
    display: block;
    font-size: 1.1rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.features-list p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.audience-card {
    background: var(--bg-alt);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.audience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.audience-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 15px;
}

.audience-card h3 {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-bottom: 10px;
}

.audience-card p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    padding: 20px 0;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 20px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.7;
}

.form-intro {
    text-align: center;
    max-width: 500px;
    margin: -20px auto 40px;
    color: var(--text-light);
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
    background: var(--bg-alt);
    padding: 40px;
    border-radius: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--secondary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

.form-group-checkbox {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.form-group-checkbox input {
    margin-top: 4px;
    flex-shrink: 0;
}

.form-group-checkbox label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0;
}

.form-group-checkbox a {
    color: var(--primary);
}

.btn-submit {
    width: 100%;
    margin-top: 10px;
}

.footer {
    background: var(--secondary);
    color: #cbd5e1;
    padding: 50px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid #334155;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 10px;
    display: inline-block;
}

.footer-brand p {
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-disclaimer {
    padding: 25px 0;
    border-bottom: 1px solid #334155;
}

.footer-disclaimer p {
    font-size: 0.85rem;
    color: #94a3b8;
    max-width: 800px;
}

.footer-copyright {
    padding-top: 25px;
    text-align: center;
}

.footer-copyright p {
    font-size: 0.85rem;
    color: #64748b;
}

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-list {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid var(--border);
        display: none;
    }

    .nav-list.active {
        display: flex;
    }

    .nav-list li {
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
    }

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

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section {
        padding: 60px 0;
    }

    .section h2 {
        font-size: 1.75rem;
    }

    .features-list {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }

    .contact-form {
        padding: 25px;
    }
}