:root {
    --bg: #f5f7fb;
    --card: #fff;
    --accent: #0a74da;
    --muted: #6b7280;
    --radius: 10px
}

* {
    box-sizing: border-box
}

html, body {
    height: 100%;
    margin: 0;
    font-family: Inter, system-ui, Arial, sans-serif;
    background: var(--bg);
    color: #111
}

.wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 22px
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--accent);
    font-weight: 700
}

.brand img {
    height: 38px;
    border-radius: 8px;
    object-fit: cover;
    padding: 4px
}

nav {
    display: flex;
    gap: 14px;
    align-items: center
}

nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 14px
}

.cta {
    background: var(--accent);
    color: #fff;
    padding: 9px 14px;
    border-radius: 8px;
    text-decoration: none
}

.burger {
    display: none;
    background: none;
    border: 0;
    font-size: 22px
}

.hero {
    display: flex;
    gap: 24px;
    align-items: center;
    margin: 28px 0;
    flex-wrap: wrap
}

.hero-left {
    flex: 1;
    min-width: 260px
}

h1 {
    margin: 0;
    font-size: 28px;
    line-height: 1.05
}

p.lead {
    color: var(--muted);
    margin: 10px 0 18px
}

.buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap
}

.card {
    background: var(--card);
    padding: 14px;
    border-radius: var(--radius);
    box-shadow: 0 6px 20px rgba(12, 18, 31, 0.06)
}

.preview {
    width: 420px;
    max-width: 46%;
    border-radius: 12px;
    overflow: hidden
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
    margin-top: 18px
}

.product {
    display: flex;
    flex-direction: column;
    gap: 8px
}

.product img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px
}

.price {
    font-weight: 700;
    color: var(--accent)
}

footer {
    margin: 30px 0 10px;
    color: var(--muted);
    font-size: 13px;
    text-align: center
}

.features {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px
}

.feature {
    background: linear-gradient(180deg, #fff, #fbfdff);
    padding: 12px;
    border-radius: 10px;
    flex: 1;
    min-width: 180px
}

form.contact {
    display: grid;
    gap: 8px;
    max-width: 420px
}

input, textarea {
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #e6e9ef;
    font-size: 14px
}

button[type="submit"] {
    background: var(--accent);
    color: #fff;
    border: 0;
    padding: 10px;
    border-radius: 8px
}

@media (max-width:880px) {
    .preview {
        max-width: 100%;
        width: 100%
    }
}

@media (max-width:720px) {
    header {
        flex-wrap: wrap
    }

    nav {
        display: none
    }

    .burger {
        display: block
    }