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

:root {
    --primary-color: #FF9D1C;
    --secondary-color: #170D00;
    --bg-color: #444444;
    --white: #FFFFFF;
    --light-gray: #E0E0E0;
    --dark-gray: #D9D9D9;
    --font-family: 'Golos Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--white);
    color: var(--secondary-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background-color: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 49px;
    height: 49px;
    background-color: var(--primary-color);
    border-radius: 24.5px;
}

.nav {
    display: flex;
    gap: 20px;
}

.nav-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 10px;
    transition: background-color 0.3s;
}

.nav-link:hover {
    background-color: var(--light-gray);
}

.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--white) 0%, #f5f5f5 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 24px;
    color: #666;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 21.5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: var(--font-family);
}

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

.btn-primary:hover {
    background-color: #e88a15;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #2a1a00;
    transform: translateY(-2px);
}

.phone-mockup {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.phone-screen {
    background-color: var(--white);
    border-radius: 34px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.screen-content {
    background-color: var(--white);
    border-radius: 20px;
    overflow: hidden;
}

.app-header {
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 20px 20px 0 0;
}

.app-content {
    padding: 20px;
}

.content-card {
    height: 100px;
    background-color: var(--light-gray);
    border-radius: 10px;
    margin-bottom: 15px;
}

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

.features {
    padding: 100px 0;
    background-color: var(--white);
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--secondary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.feature-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 20px;
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.feature-description {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

.about {
    padding: 100px 0;
    background-color: #f9f9f9;
}

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

.about-text {
    font-size: 20px;
    line-height: 1.8;
    color: #555;
}

.contacts {
    padding: 100px 0;
    background-color: var(--white);
}

.contacts-content {
    text-align: center;
}

.contacts-text {
    font-size: 20px;
    margin-bottom: 40px;
    color: #666;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: block;
    transition: background-color 0.3s, transform 0.3s;
}

.social-link:hover {
    background-color: var(--primary-color);
    transform: scale(1.1);
}

.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.footer-text {
    font-size: 16px;
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .hero-subtitle {
        font-size: 20px;
    }

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

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

    .nav {
        flex-direction: column;
        gap: 10px;
    }
}