@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

:root {
  /* Палітра Green/Teal */
  --primary-color: #27AE60;
  --secondary-color: #16A085;
  --accent-color: #2ECC71;
  --light-color: #ECF0F1;
  --dark-color: #2C3E50;
  --gradient-primary: linear-gradient(135deg, #27AE60 0%, #16A085 100%);
  --hover-color: #1ABC9C;
  --background-color: #F9FBF9;
  --text-color: #34495E;
  --border-color: rgba(39, 174, 96, 0.2);
  --divider-color: rgba(44, 62, 80, 0.1);
  --shadow-color: rgba(22, 160, 133, 0.15);
  --highlight-color: #F1C40F; /* Компліментарний жовтий */
  --main-font: 'Montserrat', sans-serif;
  --alt-font: 'Open Sans', sans-serif;
}

body { font-family: var(--alt-font); background-color: var(--background-color); color: var(--text-color); margin: 0; }
h1, h2, h3, h4, h5, h6 { font-family: var(--main-font); font-weight: 700; }
section:not(.hero) { padding-top: 10dvh; padding-bottom: 10dvh; position: relative; }

/* Neumorphism Cards */
.neu-card {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 8px 8px 16px var(--shadow-color), -8px -8px 16px rgba(255, 255, 255, 0.8);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.neu-card:hover {
    transform: translateY(-5px);
    box-shadow: 12px 12px 20px var(--shadow-color), -12px -12px 20px rgba(255, 255, 255, 0.9);
}

/* Header Navigation (Mobile Hamburger without JS) */
#menu-toggle { display: none; }
.nav-menu { display: flex; gap: 20px; list-style: none; }
.hamburger { display: none; font-size: 24px; cursor: pointer; color: var(--light-color); }

@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--dark-color);
        padding: 20px 0;
        text-align: center;
    }
    #menu-toggle:checked ~ .nav-menu { display: flex; }
}

/* Custom Utilities */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: 5px 5px 10px var(--shadow-color);
    transition: all 0.3s;
}
.btn-primary:hover { background: var(--hover-color); transform: scale(1.05); }

/* Timeline for Features */
.timeline-item { position: relative; padding-left: 30px; border-left: 3px solid var(--primary-color); margin-bottom: 30px; }
.timeline-item::before {
    content: ''; position: absolute; left: -9px; top: 0; width: 15px; height: 15px;
    background: var(--accent-color); border-radius: 50%;
}