@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css');

:root {
  /* Синьо-блакитна палітра */
  --primary-color: #2980B9;
  --secondary-color: #34495E;
  --accent-color: #1ABC9C;
  --light-color: #ECF0F1;
  --dark-color: #2C3E50;
  --gradient-primary: linear-gradient(135deg, #3498DB 0%, #2980B9 100%);
  --hover-color: #2471A3;
  --background-color: #F8F9F9;
  --text-color: #34495E;
  --border-color: rgba(41, 128, 185, 0.2);
  --divider-color: rgba(52, 73, 94, 0.1);
  --shadow-color: rgba(44, 62, 80, 0.1);
  --highlight-color: #F1C40F; /* Компліментарний жовтий */
  --main-font: 'Montserrat', sans-serif;
  --alt-font: 'Open Sans', serif;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--alt-font);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}
h1, h2, h3, h4, h5, h6 {
    font-family: var(--main-font);
}

/* Accessibility: Skip Links (Based on your interest) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 0;
}

/* Neuromorphism Utils */
.neu-flat {
    background: var(--background-color);
    box-shadow: 5px 5px 10px rgba(0,0,0,0.05), -5px -5px 10px rgba(255,255,255,0.8);
    border-radius: 15px;
}
.neu-pressed {
    box-shadow: inset 5px 5px 10px rgba(0,0,0,0.05), inset -5px -5px 10px rgba(255,255,255,0.8);
}

/* Mobile Menu Checkbox Hack */
#menu-toggle { display: none; }
#menu-toggle:checked ~ .menu-items {
    max-height: 500px;
    opacity: 1;
}

/* Logo Filter */
footer img[alt="logo"], header img[alt="logo"] {
    filter: brightness(0) invert(1);
    max-height: 50px;
}