body {
    margin: 0;
    font-family: 'Montserrat', Arial, sans-serif;
    background: #111;
    color: #fff;
}
.header {
    background: linear-gradient(90deg, #36a2ff 0%, #1e90ff 100%);
    padding: 40px 0 30px 0;
    text-align: center;
}
.header .icon {
    font-size: 2.5rem;
    vertical-align: middle;
    margin-right: 10px;
}
.header h1 {
    display: inline-block;
    font-size: 2.8rem;
    font-weight: 700;
    margin: 0;
    color: #fff;
    vertical-align: middle;
}
.header p {
    margin: 10px 0 0 0;
    font-size: 1.3rem;
    color: #eaf6ff;
}
.main {
    background: #18191c;
    padding: 40px 0 60px 0;
    text-align: center;
}
.main h2 {
    color: #36a2ff;
    font-size: 2rem;
    margin-bottom: 10px;
}
.main p {
    color: #b0b8c1;
    font-size: 1.1rem;
    margin-bottom: 30px;
}
.main .start-btn {
    background: #36a2ff;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 14px 38px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 40px;
    transition: background 0.2s;
}
.main .start-btn:hover {
    background: #1e90ff;
}
.features {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.feature {
    max-width: 260px;
    text-align: center;
}
.feature .feature-icon {
    font-size: 2.5rem;
    color: #36a2ff;
    margin-bottom: 10px;
}
.feature-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.feature-desc {
    color: #b0b8c1;
    font-size: 1rem;
}
.social {
    margin-top: 40px;
    text-align: center;
}
.social-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 18px;
}
.social-btns {
    display: flex;
    justify-content: center;
    gap: 18px;
}
.social-btn {
    background: #23272b;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 28px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s;
}
.social-btn:hover {
    background: #36a2ff;
}
.footer {
    margin-top: 60px;
    padding: 20px 0 10px 0;
    text-align: center;
    color: #888;
    font-size: 0.95rem;
    background: #111;
}
@media (max-width: 900px) {
    .features {
        gap: 20px;
    }
    .feature {
        max-width: 200px;
    }
    .feature .feature-icon {
        font-size: 2rem;
    }
    .feature-title {
        font-size: 1rem;
    }
    .feature-desc {
        font-size: 0.9rem;
    }
}

@media (max-width: 650px) {
    .features {
        gap: 10px;
    }
    .feature {
        max-width: 150px;
    }
    .feature .feature-icon {
        font-size: 1.8rem;
    }
    .feature-title {
        font-size: 0.9rem;
    }
    .feature-desc {
        font-size: 0.8rem;
    }
}