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

:root {
    --color-graphite: #44494F;
    --color-dark-blue: #053DC8;
    --color-grey: #BABEC7;
    --color-white: #FFFFFF;
}

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

/* Header & Navigation */
header {
    background-color: var(--color-graphite);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 50px;
    width: auto;
}

.brand-name {
    color: var(--color-white);
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-links a:hover {
    color: var(--color-dark-blue);
    background-color: var(--color-white);
}

.nav-links a.active {
    background-color: var(--color-dark-blue);
    color: var(--color-white);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-dark-blue) 0%, var(--color-graphite) 100%);
    color: var(--color-white);
    padding: 4rem 2rem;
    text-align: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: var(--color-grey);
}

.mascot {
    max-width: 300px;
    height: auto;
    margin: 2rem 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #0450e8;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(5, 61, 200, 0.3);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-dark-blue);
    border: 2px solid var(--color-dark-blue);
}

.btn-secondary:hover {
    background-color: var(--color-dark-blue);
    color: var(--color-white);
}

/* Content Sections */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section {
    margin-bottom: 4rem;
}

.section h2 {
    font-size: 2.5rem;
    color: var(--color-graphite);
    margin-bottom: 1.5rem;
    text-align: center;
}

.section h3 {
    font-size: 1.8rem;
    color: var(--color-dark-blue);
    margin-bottom: 1rem;
}

.section p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(5, 61, 200, 0.2);
}

.feature-card h3 {
    color: var(--color-dark-blue);
    margin-bottom: 1rem;
}

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid var(--color-grey);
}

.pricing-card:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(5, 61, 200, 0.3);
    border-color: var(--color-dark-blue);
}

.pricing-card.featured {
    border: 3px solid var(--color-dark-blue);
    position: relative;
}

.pricing-card.featured::before {
    content: "ПОПУЛЯРНЫЙ";
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-dark-blue);
    color: var(--color-white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.pricing-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-graphite);
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: bold;
    color: var(--color-dark-blue);
    margin: 1.5rem 0;
}

.pricing-card .price span {
    font-size: 1.2rem;
    color: var(--color-grey);
}

.pricing-card ul {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-card ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-grey);
}

.pricing-card ul li:before {
    content: "✓ ";
    color: var(--color-dark-blue);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* FAQ */
.faq-item {
    background-color: var(--color-white);
    margin-bottom: 1rem;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background-color: var(--color-grey);
    border: none;
    text-align: left;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: var(--color-dark-blue);
    color: var(--color-white);
}

.faq-answer {
    padding: 1.5rem;
    display: none;
    background-color: var(--color-white);
}

.faq-item.active .faq-answer {
    display: block;
}

/* Legal List */
.legal-list {
    background-color: #f5f5f5;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.legal-list ul {
    list-style: none;
    column-count: 2;
    column-gap: 2rem;
}

.legal-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-grey);
}

.legal-list li:before {
    content: "→ ";
    color: var(--color-dark-blue);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* Footer */
footer {
    background-color: var(--color-graphite);
    color: var(--color-white);
    padding: 3rem 2rem 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--color-white);
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--color-grey);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-grey);
    color: var(--color-grey);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-graphite);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
    }

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

    .nav-links a {
        padding: 1rem;
        border-bottom: 1px solid var(--color-grey);
    }

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

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

    .section h2 {
        font-size: 1.8rem;
    }

    .legal-list ul {
        column-count: 1;
    }

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