/* Базовые стили для тёмной темы */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #0a0a0a;
    --bg-card: #1a1a1a;
    --bg-header: #000000;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent: #3a86ff;
    --accent-hover: #2a76ef;
    --border: #333333;
    --success: #10b981;
}

body {
    font-family: 'Inter', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(58, 134, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.05) 0%, transparent 20%);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Шапка */
header {
    background: var(--bg-header);
    box-shadow: 0 2px 20px rgba(0,0,0,0.5);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--text-primary);
    font-family: 'Georgia', serif;
}

.nav-list {
    display: flex;
    list-style: none;
}

.nav-list li a {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 0.5rem 1.5rem;
    margin-left: 0.5rem;
    transition: all 0.3s ease;
    border-radius: 25px;
    font-weight: 500;
}

.nav-list li a:hover {
    color: var(--text-primary);
    background: rgba(58, 134, 255, 0.1);
}

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.burger span {
    height: 2px;
    width: 25px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Главный экран */
.hero {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: var(--text-primary);
    text-align: center;
    padding: 180px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(58, 134, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #b0b0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 3rem;
    color: var(--text-secondary);
}

.highlight {
    background: linear-gradient(135deg, var(--accent) 0%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(58, 134, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(58, 134, 255, 0.4);
}

.cta-button:active {
    transform: translateY(0);
}

/* Секции */
section {
    padding: 100px 0;
}

h2 {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 2.8rem;
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--success) 100%);
    border-radius: 2px;
}

/* Обо мне */
.about {
    background: var(--bg-dark);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-photo {
    width: 320px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 2px solid var(--border);
}

.about-text {
    flex: 1;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text ul {
    list-style: none;
    margin: 2rem 0;
}

.about-text li {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    padding-left: 2rem;
    position: relative;
}

.about-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.result-box {
    background: linear-gradient(135deg, rgba(58, 134, 255, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--accent);
    margin-top: 2rem;
    border: 1px solid var(--border);
}

.result-box p {
    color: var(--text-primary) !important;
    margin: 0;
    font-weight: 500;
}

/* Услуги */
.services {
    background: var(--bg-card);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--bg-dark);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    transition: all 0.4s ease;
    border: 2px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--success) 100%);
    border-radius: 17px;
    z-index: -1;
    opacity: 0;
    transition: all 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border-color: transparent;
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.service-for {
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

/* Преимущества */
.advantages {
    background: var(--bg-dark);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.advantage {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.advantage:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.3);
}

.advantage h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.advantage p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Отзывы */
.reviews {
    background: var(--bg-card);
}

.reviews-slider {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) var(--bg-dark);
}

.reviews-slider::-webkit-scrollbar {
    height: 6px;
}

.reviews-slider::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-radius: 3px;
}

.reviews-slider::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

.review {
    background: var(--bg-dark);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    min-width: 350px;
    border: 1px solid var(--border);
}

.review p {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.review cite {
    display: block;
    color: var(--text-primary);
    font-style: normal;
    text-align: right;
    font-weight: 600;
}

/* Контакты */
.contact {
    background: var(--bg-dark);
}

.contact-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.contact-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.contact-link:hover {
    color: var(--text-primary);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(58, 134, 255, 0.2);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1.2rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.1);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-secondary);
}

.contact-form button {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    border: none;
    padding: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(58, 134, 255, 0.3);
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(58, 134, 255, 0.4);
}

/* Подвал */
footer {
    background: var(--bg-header);
    color: var(--text-secondary);
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid var(--border);
}

/* Адаптивность */
@media (max-width: 768px) {
    .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-header);
        box-shadow: 0 5px 20px rgba(0,0,0,0.3);
        border-top: 1px solid var(--border);
        padding: 1rem 0;
    }

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

    .nav-list li {
        width: 100%;
    }

    .nav-list li a {
        margin: 0;
        padding: 1.2rem 2rem;
        border-radius: 0;
        border-bottom: 1px solid var(--border);
        display: block;
        width: 100%;
        text-align: left;
        color: var(--text-secondary);
        transition: all 0.3s ease;
        position: relative;
    }

    .nav-list li a:hover {
        color: var(--text-primary);
        background: rgba(58, 134, 255, 0.1);
        /* Убираем подчеркивание для мобильной версии */
        border-bottom: 1px solid var(--border);
    }

    /* Убираем градиентное подчеркивание для мобильных */
    .nav-list li a::after {
        display: none;
    }

    .nav-list li:last-child a {
        border-bottom: none;
    }

    .burger {
        display: flex;
    }

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

    .about-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .about-photo {
        width: 250px;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
}