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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: #FDFCFB;
}

/* Цветовые переменные */
:root {
    --primary-blue: #0066FF;
    --coral-accent: #FF6B6B;
    --text-dark: #333333;
    --background-light: #FDFCFB;
    --gradient-primary: linear-gradient(135deg, #0066FF, #FF6B6B);
    --gradient-secondary: linear-gradient(45deg, #FF6B6B, #0066FF);
}

/* Контейнер */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

h1 {
    font-size: 3rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    line-height: 1.3;
}

h3 {
    font-size: 2rem;
    line-height: 1.4;
}

/* Параграфы */
p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

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

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

/* Хедер */
.header {
    background: rgba(253, 252, 251, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
    text-decoration: none;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Мобильное меню */
.menu-toggle-checkbox {
    display: none;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    justify-content: center;
    gap: 0.3rem;
}

.menu-toggle span {
    width: 100%;
    height: 0.2rem;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero секция */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Стили для кнопок в hero разделе */
.hero .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.hero .btn-secondary:hover {
    background: white;
    color: var(--primary-blue);
    border-color: white;
}

/* Секции */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 5rem;
    height: 0.3rem;
    background: var(--gradient-primary);
    border-radius: 0.15rem;
}

/* Сетка */
.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));
}

/* Карточки */
.card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
}

.card-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
}

/* Форма */
.form {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.form-input,
.form-select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

.checkbox-group input[type="checkbox"] {
    margin-top: 0.3rem;
}

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

/* Отзывы */
.testimonial {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 4rem;
    color: var(--coral-accent);
    font-family: serif;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-blue);
    margin-top: 1rem;
}

/* Футер */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Cookie баннер */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--text-dark);
    color: white;
    padding: 1rem;
    z-index: 1001;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.3s ease;
}

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

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-text {
    flex: 1;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle-checkbox:checked ~ .nav .nav-menu {
        display: flex;
    }
    
    .menu-toggle-checkbox:checked ~ .nav .menu-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(0.5rem, 0.5rem);
    }
    
    .menu-toggle-checkbox:checked ~ .nav .menu-toggle span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle-checkbox:checked ~ .nav .menu-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(0.5rem, -0.5rem);
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-actions {
        justify-content: center;
    }
    
    .btn {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .form {
        padding: 1.5rem;
    }
}