* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --surface-soft: #eef1f5;
    --text: #1b2230;
    --muted: #667085;
    --brand: #d72d2d;
    --brand-dark: #a51e1e;
    --nav: #101722;
    --line: #d8dee8;
    --shadow: 0 12px 30px rgba(14, 24, 39, 0.14);
    --radius: 16px;
}

body {
    min-height: 100vh;
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top right, #ffffff 0%, #f4f5f7 42%, #e9edf3 100%);
    line-height: 1.6;
}

h1 {
    text-align: center;
    padding: 8px 12px;
}

h1 img {
    width: min(460px, 90vw);
    max-width: 100%;
    height: auto;
}

nav {
    background-color: var(--nav);
    border-top: 1px solid #1f2a3d;
    border-bottom: 1px solid #1f2a3d;
    position: sticky;
    top: 0;
    z-index: 50;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav ul a {
    display: inline-block;
    padding: 14px 22px;
    text-decoration: none;
    color: #f7f9fc;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    font-weight: 700;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

nav ul a:hover,
nav ul a:focus-visible {
    background-color: var(--brand);
    color: #ffffff;
    transform: translateY(-2px);
}

.category {
    max-width: 1060px;
    margin: 24px auto 10px;
    padding: 0 20px;
}

.categ {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.categ img {
    width: 100%;
    max-width: 620px;
    height: 320px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    border-radius: 12px;
    background: var(--surface-soft);
    border: 1px solid #dde3ec;
    padding: 14px;
}

.categ h1 {
    padding: 0;
    margin-top: 12px;
    font-size: 1.16rem;
}

.categ h1:last-of-type {
    color: var(--brand-dark);
    font-size: 1.34rem;
}

.categ button {
    margin: 14px auto 0;
    display: block;
    width: 260px;
    max-width: 100%;
    border: none;
    border-radius: 10px;
    padding: 11px 14px;
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #ffffff;
    background: linear-gradient(135deg, #e13e3e 0%, #b32020 100%);
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.categ button:hover,
.categ button:focus-visible {
    transform: translateY(-2px);
    filter: brightness(1.05);
}

.specContainer {
    max-width: 980px;
    margin: 26px auto 20px;
    padding: 0 20px;
}

.specContainer h1 {
    margin-bottom: 16px;
    font-size: 1.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.specs {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(14, 24, 39, 0.08);
    padding: 14px 16px;
    margin-bottom: 12px;
}

.specs h3 {
    color: var(--brand-dark);
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.specs ul {
    margin-top: 8px;
    padding-left: 18px;
}

.specs li {
    color: #344157;
}

footer {
    margin-top: 40px;
    background: linear-gradient(180deg, #161f2f 0%, #0f1522 100%);
}

.footerContainer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 20px 14px;
}

.socialIcons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.socialIcons a {
    text-decoration: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background-color: rgba(255, 255, 255, 0.12);
    color: #f8fbff;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.socialIcons a i {
    font-size: 1.2rem;
}

.socialIcons a:hover,
.socialIcons a:focus-visible {
    background-color: var(--brand);
    color: #ffffff;
    transform: translateY(-3px);
}

.footerBottom {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding: 14px 20px 18px;
    text-align: center;
}

.footerBottom p {
    color: #d8dfec;
    font-size: 0.9rem;
}

.designer {
    letter-spacing: 0.08em;
    font-weight: 700;
    text-transform: uppercase;
}

@media screen and (max-width: 700px) {
    h1 {
        padding: 6px;
    }

    nav ul a {
        width: 50%;
        text-align: center;
        padding: 12px 8px;
        font-size: 0.84rem;
    }

    .category,
    .specContainer {
        padding: 0 14px;
    }

    .categ img {
        height: 240px;
    }

    .specContainer h1 {
        font-size: 1.5rem;
    }
}