/* ══════════════════════════════════════════
   Shared nav & footer styles
   Include on every page alongside components.js
   ══════════════════════════════════════════ */

/* ── NAV ── */
nav#site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2.5rem;
    background: rgba(250, 250, 250, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-left a {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-right {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-right a {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color 0.2s var(--ease);
    padding-bottom: 2px;
    border-bottom: 1.5px solid transparent;
}

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

/* Active nav link */
.nav-right a.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
}

/* ── HAMBURGER ── */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 110;
    flex-direction: column;
    gap: 5px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
}

.nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── FOOTER ── */
footer#site-footer {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 2.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
}

.footer-left {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.footer-right {
    display: flex;
    gap: 1.5rem;
}

.footer-right a {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color 0.2s var(--ease);
}

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

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
    nav#site-nav {
        padding: 1rem 1.5rem;
    }

    .nav-hamburger {
        display: flex;
    }

    .nav-right {
        position: fixed;
        top: 0; right: 0;
        width: 220px;
        height: 100dvh;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 5rem 2rem 2rem;
        background: rgba(250, 250, 250, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-left: 1px solid var(--border);
        transform: translateX(100%);
        transition: transform 0.3s var(--ease);
        pointer-events: none;
    }

    .nav-right.open {
        transform: translateX(0);
        pointer-events: auto;
    }

    .nav-right a {
        font-size: 0.95rem;
        padding: 0.75rem 0;
        width: 100%;
        border-bottom: 1px solid var(--border);
    }

    .nav-right a.active {
        border-bottom-color: var(--border);
        position: relative;
    }

    .nav-right a.active::before {
        content: '';
        position: absolute;
        left: -2rem;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 60%;
        background: var(--text-primary);
        border-radius: 2px;
    }

    footer#site-footer {
        padding: 2rem 1.5rem 3rem;
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}