/* CSS Reset и базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00c2c7;      /* Лазурно-перламутровый */
    --secondary-color: #ff6e40;    /* Мандариновый коралл */
    --background-color: #f4f7f9;   /* Яркий серо-белый */
    --accent-color: #1c1c1e;       /* Графитово-черный */
    --white: #ffffff;
    --gray-light: #e5e5e7;
    --gray-medium: #8e8e93;
    --text-light: #6c6c70;
    --border-radius: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--accent-color);
    background-color: var(--background-color);
    font-size: 16px;
    scroll-behavior: smooth;
}

/* Анимации появления блоков */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-on-scroll {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Контейнеры и сетка */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Заголовки */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--accent-color);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--primary-color);
}

/* Параграфы и текст */
p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--accent-color);
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0099a3);
    color: var(--white);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #e55a30);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0099a3, var(--primary-color));
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #e55a30, var(--secondary-color));
}

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

/* Хедер и навигация */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo svg {
    width: 40px;
    height: 40px;
}

.nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--accent-color);
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav a:hover {
    color: var(--primary-color);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav a:hover::after {
    width: 100%;
}

/* Мобильное меню */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--accent-color);
    cursor: pointer;
}

.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.mobile-nav ul {
    list-style: none;
    padding: 1rem 0;
}

.mobile-nav a {
    display: block;
    padding: 1rem 2rem;
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid var(--gray-light);
    transition: var(--transition);
}

.mobile-nav a:hover {
    background: var(--background-color);
    color: var(--primary-color);
}

/* Секции */
.section {
    padding: 6rem 0;
    position: relative;
}

.section:nth-child(even) {
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

/* Hero секция */
.hero {
    background: linear-gradient(135deg, rgba(0, 194, 199, 0.1), rgba(255, 110, 64, 0.1));
    padding: 8rem 0 6rem;
    margin-top: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('./img/QpZGTV.jpg') center/cover;
    opacity: 0.1;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    z-index: 1;
    position: relative;
}

.hero h1 {
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.hero .lead {
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* Карточки */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-size: 1.5rem;
}

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

.card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Преимущества */
.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.advantage-number {
    background: var(--primary-color);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

/* Цены */
.pricing-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    border: 2px solid transparent;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.pricing-card.featured:hover {
    transform: translateY(-5px) scale(1.07);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 1rem 0;
}

.price-period {
    color: var(--gray-medium);
    font-size: 1rem;
}

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

.pricing-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
    color: var(--text-light);
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Отзывы */
.testimonial {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    position: relative;
    margin-bottom: 2rem;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.testimonial-content {
    margin-bottom: 1.5rem;
    font-style: italic;
    color: var(--text-light);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
}

.testimonial-info h4 {
    margin: 0;
    color: var(--accent-color);
}

.testimonial-info p {
    margin: 0;
    color: var(--gray-medium);
    font-size: 0.9rem;
}

/* Форма */
.form-container {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-hover);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--accent-color);
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 194, 199, 0.1);
}

.form-control select {
    cursor: pointer;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.25rem;
}

.checkbox-group label {
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: var(--accent-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.footer-section p, .footer-section a {
    color: #b0b0b0;
    text-decoration: none;
    line-height: 1.8;
}

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

.footer-links {
    list-style: none;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #888;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--accent-color);
    color: var(--white);
    padding: 1.5rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    opacity: 0;
    transform: translateY(100%);
    transition: var(--transition);
}

.cookie-banner.show {
    opacity: 1;
    transform: translateY(0);
}

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

.cookie-text {
    flex: 1;
    font-size: 0.9rem;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

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

.cookie-decline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--white);
}

.cookie-accept:hover {
    background: #0099a3;
}

.cookie-decline:hover {
    background: var(--white);
    color: var(--accent-color);
}

/* Адаптивность */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-nav {
        display: block;
        position: absolute;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .mobile-nav.active {
        max-height: 400px;
    }
    
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .form-container {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-author {
        flex-direction: column;
        text-align: center;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}