body {
    margin: 0;
    font-family: "Inter", system-ui, sans-serif;
    background: linear-gradient(180deg, #0e0f1a, #1b1d2f, #0e0f1a);
    color: #fff;
    line-height: 1.6;
}

header {
    padding: 20px 24px;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.logo a{
    font-size: 22px;
    font-weight: 700;
    color: #61dafb;
    letter-spacing: 0.5px;
    text-decoration: none;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px;
}

.hero {
    text-align: center;
    padding: 60px 0 40px;
}

.hero-title {
    font-size: 40px;
    font-weight: 800;
    background: linear-gradient(90deg, #59e0ff, #a855f7, #f87171);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 18px;
}

.hero-sub {
    font-size: 20px;
    max-width: 640px;
    margin: 0 auto 32px;
    opacity: 0.85;
}

.btn-main {
    background: linear-gradient(90deg, #3bb2ff, #ab41ff);
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    color: #fff;
    display: inline-block;
    box-shadow: 0 12px 32px rgba(80, 0, 160, 0.45);
    transition: 0.2s ease;
}

.btn-main:hover {
    transform: scale(1.05);
}

.section {
    background: rgba(255, 255, 255, 0.06);
    padding: 32px;
    border-radius: 20px;
    margin-bottom: 32px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.2);
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(90deg, #59e0ff, #f87171);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.08);
    padding: 20px;
    border-radius: 16px;
    font-size: 16px;
}

.card-title {
    font-weight: 700;
    margin-bottom: 6px;
    color: #59e0ff;
    font-size: 18px;
}

/* Блок ДО/ПОСЛЕ */
.compare-block {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.compare-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 16px;
    border-radius: 16px;
    text-align: center;
}

.compare-title {
    font-weight: 700;
    margin-bottom: 10px;
}

.compare-card img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

footer {
    text-align: center;
    color: #aaa;
    font-size: 12px;
    padding: 40px 16px 60px;
}