:root {
    --dark-green: #0a2f1a;
    --medium-green: #1a4d2e;
    --light-green: #2d7a4d;
    --accent-green: #3cb371;
    --text-light: #e8f5e9;
    --text-muted: #a5d6a7;
    --text-sellected: #46f188;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background-color: var(--dark-green);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
}

header {
    background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-primary) 100%);
    box-shadow: 0 4px 62px rgba(0, 0, 0, 0.2);
}

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

.head {
    font-size: xx-large;
    padding: 30px 0;
    background: linear-gradient(to right, var(--dark-green), var(--light-green));
}

.head .header-content {
    display: flex;
    justify-content: space-between;
}

.header-content {
    font-size: xxx-large;
    align-items: center;
    text-align: center;
}

.header-content .avalonix-name {
    text-align: left;
    font-size: x-large;
}

.header-content nav {
    text-align: right;
    font-size: x-large;
}

nav a {
    color: inherit;
    text-decoration: none;
    margin-left: 10px;
    transition: all 0.5s ease;
}

nav a:hover{
    color: var(--text-sellected);
}

.about {
    padding: 100px 0;
    background: linear-gradient(to right, var(--medium-green), var(--accent-green));
}

.about .container{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.about .container .text-content .header-content {
    text-align: left;
}

.about .text-content {
    flex: 1;
}

.about .hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.about .hero-image img {
    width: 50%;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.5s ease;
    top: 0;
}

.about .hero-image img:hover {
    transform: scale(3);
}

.features {
    text-align: center;
    padding: 60px;
    background: var(--medium-green);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
}

.download {
    text-align: center;
    padding: 40px 0;
    background: var(--light-green);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--accent-green);
    color: var(--text-light);
    text-decoration: none;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn:hover {
    transform: scale(1.2);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
}

.support {
    background: var(--accent-green);
    padding: 60px;
    text-align: center;
}

.support .btn {
    background: var(--light-green);
}

.footer {
    padding: 70px;
}

.footer .container {
    display: flex;
    justify-content: space-around;
}