/* ========================================
   Основные стили и переменные
   ======================================== */

:root {
    --primary-color: #6ab8ee;
    --primary-dark: #5aa3d8;
    --primary-light: #8ac9f2;
    --dark-color: #12222d;
    --light-color: #fafbfc;
    --gray-light: #f7f7f7;
    --gray-medium: #6c757d;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Russo One', sans-serif;
    font-weight: 400;
    line-height: 1.2;
    color: var(--dark-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.container {
    max-width: 1200px;
}

html {
    scroll-behavior: smooth;
}

section {
    padding: 60px 0;
}

.btn {
    font-family: 'Russo One', sans-serif;
    text-transform: uppercase;
    font-size: 14px;
    padding: 12px 35px;
    border-radius: 4px;
    transition: var(--transition);
    border: none;
}

.btn:focus {
    outline: none;
    box-shadow: none;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive utilities */
@media (max-width: 768px) {
    section {
        padding: 40px 0;
    }
    
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
}