:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --gray-color: #6b7280;
    --success-color: #10b981;
    --transition: all 0.3s ease;
    --bg-color: #f9fafb;
    --text-color: #1f2937;
    --card-bg: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.dark-theme {
    --bg-color: #111827;
    --text-color: #f9fafb;
    --card-bg: #1f2937;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --gray-color: #9ca3af;
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: default !important;
}

a, button, .btn, .ecosystem-node, .tech-item, .contact-action, .social-link, .tg-post, .education-content, .lifestyle-card {
    cursor: pointer !important;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
    position: relative;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

h1 {
    font-size: 3.5rem;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    margin-bottom: 50px;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

p {
    margin-bottom: 20px;
    color: var(--gray-color);
}