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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Шапка */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

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

.logo img {
    height: 40px;
    width: auto;
}

.site-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

nav {
    display: flex;
    gap: 25px;
    align-items: center;
    flex-wrap: wrap;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    padding: 8px 12px;
    border-radius: 5px;
}

nav a:hover {
    background: rgba(255,255,255,0.2);
}

.btn-nav {
    background: white;
    color: #667eea;
    padding: 10px 20px !important;
    border-radius: 25px;
    font-weight: 600;
}

.btn-nav:hover {
    background: rgba(255,255,255,0.9);
    transform: translateY(-2px);
}

/* Главный баннер */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px 0 60px 0;
    overflow: hidden;
    position: relative;
}

.hero-background-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 30px;
    line-height: 1.6;
    opacity: 0.95;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    margin-bottom: 0;
    flex-wrap: wrap;
}

.btn-download-main {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: white;
    color: #667eea;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.15rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-download-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.btn-icon {
    font-size: 1.3rem;
}

.btn-secondary {
    display: inline-block;
    color: white;
    padding: 18px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: white;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 35px;
    flex-wrap: wrap;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    opacity: 0.95;
}

.feature-icon {
    font-size: 1.2rem;
    font-weight: bold;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
}


.btn-primary {
    display: inline-block;
    background: white;
    color: #667eea;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Возможности */
.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

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

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #667eea;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* Скриншоты */
.screenshots {
    padding: 80px 0;
    background: white;
}

.screenshots h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    justify-items: center;
}

.screenshot-item {
    display: block;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.screenshot-item::after {
    content: '🔍 Нажмите для увеличения';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(102, 126, 234, 0.9);
    color: white;
    padding: 12px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.screenshot-item:hover::after {
    transform: translateY(0);
}

.screenshot-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Плюсы и минусы */
.pros-cons {
    padding: 80px 0;
    background: #f8f9fa;
}

.pros-cons h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.pros-cons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.pros, .cons {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    color: white;
}

.pros h3 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 25px;
}

.cons h3 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 25px;
}

.pros ul, .cons ul {
    list-style: none;
}

.pros li, .cons li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    line-height: 1.6;
    color: white;
}

.pros li:last-child, .cons li:last-child {
    border-bottom: none;
}

.pros li:before {
    content: "✓ ";
    color: white;
    font-weight: bold;
    margin-right: 10px;
}

.cons li:before {
    content: "• ";
    color: white;
    font-weight: bold;
    margin-right: 10px;
}

/* Вопросы и ответы */
.faq {
    padding: 80px 0;
    background: white;
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

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

.faq-item {
    background: #f8f9fa;
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.faq-question {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-question h3 {
    font-size: 1.2rem;
    color: #333;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
    transition: transform 0.3s;
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 25px 25px 25px;
    color: #666;
    line-height: 1.8;
}

/* Обратная связь */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.contact-description {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.contact-form button {
    width: 100%;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

/* Скачать */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

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

.download p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.btn-download {
    display: inline-block;
    background: white;
    color: #667eea;
    padding: 18px 45px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.download-features {
    display: flex;
    justify-content: center;
    gap: 35px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.download-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: white;
    opacity: 0.95;
}

.download-feature-item .feature-icon {
    font-size: 1.2rem;
    font-weight: bold;
    color: white;
}

/* Футер */
footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 50px 0 25px 0;
    margin-top: 80px;
    border-top: 4px solid #667eea;
    box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.3);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 45px;
    margin-bottom: 35px;
}

.footer-section {
    text-align: left;
}

.footer-section h3 {
    color: #667eea;
    font-size: 1.35rem;
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
}

.footer-section p {
    color: #b5b5b5;
    line-height: 1.85;
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #d0d0d0;
    text-decoration: none;
    transition: all 0.35s ease;
    display: inline-block;
    font-size: 0.95rem;
    position: relative;
}

.footer-section ul li a:hover {
    color: #667eea;
    transform: translateX(8px);
}

.footer-section ul li a::before {
    content: "→";
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover::before {
    opacity: 1;
    left: -15px;
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(102, 126, 234, 0.3);
    color: #888;
    font-size: 0.9rem;
    margin-top: 20px;
}

/* Модальное окно для скриншотов */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding: 20px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    animation: zoomIn 0.3s;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    z-index: 10000;
    line-height: 1;
}

.modal-close:hover,
.modal-close:focus {
    color: #667eea;
    transform: scale(1.2);
}

.modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 20px 0;
    font-size: 1.1rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }

    nav {
        display: none;
    }

    .hero {
        padding: 40px 0 50px 0;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn-download-main,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .hero-features {
        gap: 20px;
    }

    .hero-feature-item {
        font-size: 0.9rem;
    }

    .hero-image {
        margin-top: 30px;
    }

    .hero-image img {
        max-width: 120px;
        max-height: 120px;
    }

    .features h2,
    .screenshots h2,
    .pros-cons h2,
    .faq h2,
    .contact h2,
    .download h2 {
        font-size: 2rem;
    }

    .pros-cons-grid {
        grid-template-columns: 1fr;
    }

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

    .screenshot-item {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .features,
    .screenshots,
    .pros-cons,
    .faq,
    .contact,
    .download {
        padding: 50px 0;
    }

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