/* the-gpl redesign — sticky blurred header + wordmark + nav pills. */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(247, 246, 243, 0.86);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}
.site-header-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

/* wordmark */
.wordmark {
    display: flex;
    align-items: center;
    gap: 10px;
}
.wordmark:hover { color: inherit; }
.wordmark-glyph {
    width: 26px;
    height: 26px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: var(--mono);
    font-weight: 700;
    font-size: 14px;
}
.wordmark-text {
    font-family: var(--mono);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: -0.01em;
    color: var(--ink);
}

/* desktop nav */
.site-nav { display: flex; align-items: center; gap: 4px; }
.nav-pill {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px 14px;
    border-radius: 8px;
    font-family: var(--ui);
    font-size: 14px;
    font-weight: 500;
    color: #4a4e55;
    transition: background 0.15s, color 0.15s;
}
.nav-pill:hover { color: var(--ink); }
.nav-pill.active { background: var(--accent-tint); color: var(--accent-hover); }

/* hamburger — hidden on desktop */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}

/* mobile sheet — hidden by default */
.nav-sheet {
    display: none;
    border-top: 1px solid var(--border);
    background: var(--bg);
    padding: 8px 16px 16px;
}
.nav-sheet .nav-pill {
    display: block;
    width: 100%;
    text-align: left;
    border-radius: 0;
    border-bottom: 1px solid #ecebe6;
    padding: 14px 8px;
    font-size: 16px;
}
.nav-sheet .nav-pill:last-child { border-bottom: none; }

@media (max-width: 760px) {
    .site-nav { display: none; }
    .nav-toggle { display: flex; }
    .nav-sheet.open { display: block; }
}