@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/7.0.1/css/all.min.css');

:root {
  /* Палітра: #2980B9, #3498DB, #2C3E50, #ECF0F1 */
  --primary-color: #2980B9;
  --secondary-color: #3498DB;
  --accent-color: #2C3E50;
  --light-color: #ECF0F1;
  --dark-color: #1A252F;
  --gradient-primary: linear-gradient(135deg, #3498DB 0%, #2980B9 100%);
  --hover-color: #1A5276;
  --background-color: #F8F9FA;
  --text-color: #333333;
  --border-color: rgba(41, 128, 185, 0.2);
  --divider-color: rgba(41, 128, 185, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.08);
  --highlight-color: #F39C12;
  --main-font: 'Roboto Condensed', sans-serif;
  --alt-font: 'Open Sans', serif;
}

html {
    scroll-behavior: smooth;
}

.hover-underline:hover {
    text-decoration: underline;
}

/* Neumorphism classes */
.neumo {
    background: var(--background-color);
    box-shadow: 8px 8px 16px var(--shadow-color), -8px -8px 16px #ffffff;
    border: 1px solid var(--divider-color);
}

.neumo-image {
    box-shadow: 10px 10px 20px var(--shadow-color), -10px -10px 20px #ffffff;
}

.feature-card:hover, .testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 12px 12px 20px var(--shadow-color), -12px -12px 20px #ffffff;
}

.btn {
    display: inline-block;
    box-shadow: 4px 4px 10px rgba(0,0,0,0.2);
}
.btn:hover {
    background-color: var(--hover-color) !important;
}

/* Menu Toggle Hack for no-JS */
#menu-toggle:checked ~ nav {
    display: flex !important;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background-color: var(--dark-color);
    flex-direction: column;
    text-align: center;
}

#menu-toggle:checked ~ nav ul {
    width: 100%;
    padding: 20px 0;
}

#menu-toggle:checked ~ nav li {
    margin: 10px 0;
}

details summary::-webkit-details-marker {
  display: none;
}
details[open] summary ~ * {
  animation: sweep .5s ease-in-out;
}
@keyframes sweep {
  0%    {opacity: 0; margin-top: -10px}
  100%  {opacity: 1; margin-top: 0px}
}