.topbar a[href="/"] {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    font-size: 16px;
    font-weight: 600;

    color: #111827;
    text-decoration: none;

    padding: 6px 10px;
    border-radius: 8px;

    transition: 0.2s;
}

/* hover */
.topbar a[href="/"]:hover {
    background: #f3f4f6;
    color: #2563eb;
}

/* click */
.topbar a[href="/"]:active {
    transform: scale(0.98);
}
.user-box a {
    display: inline-block;

    padding: 6px 12px;
    border-radius: 8px;

    background: #2563eb;
    color: #ffffff !important;

    font-size: 14px;
    font-weight: 600;
    text-decoration: none;

    transition: 0.2s;
    border: 1px solid #2563eb;
}

/* hover */
.user-box a:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    transform: translateY(-1px);
}

/* click */
.user-box a:active {
    transform: scale(0.98);
}
body {
    background: #f5f7fb;
    color: #1f2937;
}

/* TOPBAR */
.topbar {
    background: #ffffff;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-weight: 700;
    font-size: 18px;
    color: #111827;
}

/* MENU */
.nav-menu a {
    color: #4b5563;
    margin: 0 12px;
    text-decoration: none;
    font-weight: 500;
    transition: 0.2s;
}

.nav-menu a:hover {
    color: #2563eb;
}

/* USER */
.user-box {
    font-size: 14px;
    color: #4b5563;
}

.user-box a {
    text-decoration: none;
    margin-left: 8px;
    font-weight: 500;
}

/* HERO */
.hero {
    height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 30px;
}

.hero h1 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #111827;
}

.hero p {
    color: #6b7280;
    font-size: 16px;
}

/* VIDEO */
.video-box {
    width: 85%;
    max-width: 950px;
    aspect-ratio: 16/9;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    margin-top: 25px;
    background: #000;
}

/* BUTTON STYLE (если пригодится позже) */
.btn-primary {
    background: #2563eb;
    border: none;
}
.btn-primary:hover {
    background: #1d4ed8;
}