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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #0f172a;
    --text: #334155;
    --text-light: #64748b;
    --background: #ffffff;
    --background-alt: #f8fafc;
    --border: #e2e8f0;
    --success: #10b981;
    --error: #ef4444;
}

html {
    scroll-behavior: smooth;
}

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

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

.header {
    background: var(--background);
    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;
    padding: 15px 20px;
}

.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 {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
}

.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: 3px;
    background: var(--secondary);
    border-radius: 3px;
    transition: 0.3s;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-size: 1rem;
}

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

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

.hero {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    padding: 160px 0 100px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 40px;
}

.section {
    padding: 80px 0;
}

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

.section h2 {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 30px;
    text-align: center;
}

.feature-list,
.user-list {
    max-width: 600px;
    margin: 0 auto;
    list-style: none;
}

.feature-list li,
.user-list li {
    padding: 15px 0;
    padding-left: 35px;
    position: relative;
    border-bottom: 1px solid var(--border);
}

.feature-list li:last-child,
.user-list li:last-child {
    border-bottom: none;
}

.feature-list li::before,
.user-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.content-block {
    max-width: 700px;
    margin: 0 auto;
}

.content-block p {
    margin-bottom: 20px;
}

.content-block p:last-child {
    margin-bottom: 0;
}

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

.faq-item {
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    background: var(--background);
}

.faq-question {
    width: 100%;
    padding: 20px;
    text-align: left;
    background: none;
    border: none;
    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-out;
}

.faq-answer p {
    padding: 0 20px 20px;
    color: var(--text-light);
}

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

.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

.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 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form-group-checkbox input {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-group-checkbox label {
    margin-bottom: 0;
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--text-light);
}

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

.required {
    color: var(--error);
}

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

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-brand .logo {
    color: white;
}

.footer-location {
    color: #94a3b8;
}

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

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-disclaimer {
    font-size: 0.85rem;
    color: #64748b;
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #334155;
    margin-bottom: 15px;
}

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

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

    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid var(--border);
    }

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

    .nav-list li {
        padding: 15px 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: 1.6rem;
    }

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

    .footer-brand {
        flex-direction: column;
        gap: 5px;
    }
}