:root {
    --white: #ffffff;
    --black: #000000;
    --orange: #ff6600;
    --dark-orange: #e55c00;
    --dark-gray: #333333;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    color: var(--dark-gray);
    line-height: 1.6;
}

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

.menu-toggle {
    display: none;
}

.menu-button {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    padding: 5px 10px;
}

/* Header */
header {
    background-color: var(--black);
    color: var(--white);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.logo {
    font-size: 18px;
    font-weight: bold;
}

.logo span {
    color: var(--orange);
}

nav ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    gap: 15px;
}

nav ul li {
    margin: 0;
}

nav ul li a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
}

nav ul li a:hover {
    color: var(--orange);
}

/* Мобильные устройства */
@media (max-width: 768px) {
    header {
        padding: 8px 0;
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        position: relative;
    }
    
    .logo {
        font-size: 16px;
        margin-bottom: 0;
    }
    
    .menu-button {
        display: block;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--black);
        display: none;
        z-index: 1000;
    }
    
    .menu-toggle:checked ~ nav {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0;
        margin: 0;
        padding: 10px 0;
    }
    
    nav ul li {
        margin: 0;
        text-align: center;
    }
    
    nav ul li a {
        display: block;
        padding: 12px 20px;
        font-size: 16px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    nav ul li:last-child a {
        border-bottom: none;
    }
    
    nav ul li a:hover {
        background: var(--orange);
        color: var(--white);
    }
}

/* Маленькие мобильные */
@media (max-width: 480px) {
    header {
        padding: 6px 0;
    }
    
    .logo {
        font-size: 14px;
    }
    
    .menu-button {
        font-size: 20px;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding: 150px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.cta-button {
    display: inline-block;
    background-color: var(--orange);
    color: var(--white);
    padding: 15px 30px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: all 0.3s;
    border: 2px solid var(--orange);
    margin: 5px;
}

.cta-button:hover {
    background-color: var(--dark-orange);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,102,0,0.3);
}

.cta-button.secondary {
    background-color: transparent;
    border: 2px solid var(--white);
}

.cta-button.secondary:hover {
    background-color: var(--white);
    color: var(--black);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--black);
}

.section-title span {
    color: var(--orange);
}

.content-block {
    display: flex;
    margin-bottom: 60px;
    gap: 40px;
}

.content-block.reverse {
    flex-direction: row-reverse;
}

.text-content, .image-content {
    flex: 1;
}

.text-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--black);
}

.text-content p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.text-content ul {
    list-style: none;
    margin-top: 20px;
}

.text-content ul li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    font-size: 1.1rem;
}

.text-content ul li:before {
    content: "•";
    color: var(--orange);
    position: absolute;
    left: 0;
    font-size: 1.5rem;
}

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

.image-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--light-gray);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--medium-gray);
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Features */
.features {
    background-color: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--black);
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--dark-gray);
}

/* CTA Section */
.cta-section {
    background-color: var(--black);
    color: var(--white);
    text-align: center;
    padding: 100px 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-section p {
    max-width: 700px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
}

/* Footer */
footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-column {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
    padding-right: 20px;
}

.footer-column h3 {
    color: var(--orange);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-column p, .footer-column ul li {
    margin-bottom: 10px;
    line-height: 1.8;
}

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

.footer-column ul li a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--orange);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--medium-gray);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Responsive для контента */
@media (max-width: 768px) {
    .content-block, .content-block.reverse {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero {
        padding: 100px 0;
        background-attachment: scroll;
    }
    
    .image-placeholder {
        height: 300px;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-column {
        padding-right: 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .image-placeholder {
        height: 250px;
    }
    
    .cta-button {
        display: block;
        margin: 10px auto;
    }
}