* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg-page);
    color: var(--text-primary);
    font-family: var(--font);
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------------------------------------------------------------- HEADER */
.site-header {
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
}

.site-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
}

.site-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.main-nav {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.main-nav a {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    padding-bottom: 6px;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
    white-space: nowrap;
}

.main-nav a:hover { color: var(--text-primary); }

.main-nav a.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* ---------------------------------------------------------------- FOOTER */
.site-footer {
    border-top: 1px solid var(--border);
    margin-top: 60px;
    padding: 24px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.site-footer a { color: var(--text-secondary); }
.site-footer a:hover { color: var(--text-primary); }

/* ---------------------------------------------------------------- MOBILE */
@media (max-width: 720px) {
    .nav-toggle { display: block; }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-header);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        gap: 0;
        padding: 8px 20px 16px;
    }

    .main-nav.open { display: flex; }

    .main-nav a {
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
    }

    .main-nav a.active { border-bottom: 1px solid var(--accent); }

    .site-header-inner { position: relative; }
}