/* ── Precision Console — Obsidian Red public shell ── */
.nav-wrap {
    position: fixed;
    inset: 12px 0 auto;
    z-index: 900;
    padding-inline: var(--gutter-page);
}

.nav {
    width: 100%;
    max-width: var(--container-standard);
    height: var(--nav-h);
    margin-inline: auto;
    padding-inline: var(--space-3);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-canvas-raised);
    box-shadow: 0 12px 32px rgba(0, 0, 0, .24);
    transition:
        background-color var(--motion-color),
        border-color var(--motion-color),
        box-shadow var(--motion-color);
}

.nav.scrolled {
    background: var(--color-chrome);
    border-color: var(--color-border-strong);
    box-shadow: 0 16px 36px rgba(0, 0, 0, .34);
}

.nav-left,
.nav-center,
.nav-right {
    min-width: 0;
    display: flex;
    align-items: center;
}

.nav-left {
    justify-self: start;
}

.nav-center {
    justify-self: center;
}

.nav-right {
    justify-self: end;
    gap: var(--space-2);
}

.brand-pill {
    display: flex;
    align-items: center;
}

.logo {
    position: relative;
    min-height: 44px;
    padding: var(--space-2) var(--space-3) var(--space-2) 20px;
    display: inline-flex;
    align-items: center;
    color: var(--color-text);
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: .08em;
    line-height: 1;
    user-select: none;
    transition: color var(--motion-color);
}

.logo::before {
    content: '';
    position: absolute;
    left: var(--space-2);
    top: 50%;
    width: 3px;
    height: 22px;
    border-radius: 999px;
    background: var(--color-accent);
    transform: translateY(-50%);
}

.logo span {
    color: var(--color-accent);
}

.logo:hover {
    color: var(--color-text);
}

.nav-links-pill {
    display: flex;
    align-items: stretch;
    gap: var(--space-1);
}

.nav-link {
    position: relative;
    min-height: 44px;
    padding-inline: var(--space-4);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    transition:
        color var(--motion-color),
        background-color var(--motion-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    right: var(--space-4);
    bottom: 5px;
    left: var(--space-4);
    height: 2px;
    border-radius: 999px;
    background: var(--color-accent);
    opacity: 0;
    transform: scaleX(.4);
    transition:
        opacity var(--motion-color),
        transform var(--motion-transform);
}

.nav-link:hover {
    background: var(--color-surface-2);
    color: var(--color-text);
}

.nav-link.active {
    background: var(--color-accent-soft);
    color: var(--color-text);
}

.nav-link.active::after {
    opacity: 1;
    transform: scaleX(1);
}

.nav-cta,
.upgrade-banner {
    min-height: 44px;
    padding-inline: var(--space-4);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    border-radius: var(--radius-control);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition:
        color var(--motion-color),
        background-color var(--motion-color),
        border-color var(--motion-color),
        transform var(--motion-transform);
}

.nav-cta {
    background: var(--color-accent-soft);
    border: 1px solid var(--color-accent);
    color: var(--color-text);
}

.nav-cta:hover {
    background: rgba(239, 68, 68, .18);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

.nav-menu-btn {
    width: 44px;
    height: 44px;
    display: none;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-control);
    background: var(--color-surface-1);
    color: var(--color-text);
    transition:
        color var(--motion-color),
        background-color var(--motion-color),
        border-color var(--motion-color),
        transform var(--motion-transform);
}

.nav-menu-btn:hover,
.nav-menu-btn[aria-expanded='true'] {
    background: var(--color-surface-2);
    border-color: var(--color-accent);
    color: var(--color-accent-hover);
}

.nav-menu-btn:hover {
    transform: translateY(-2px);
}

.nav-menu-icon {
    width: 20px;
    height: 20px;
}

.upgrade-banner {
    display: none;
    background: var(--color-surface-1);
    border: 1px solid var(--color-border-strong);
    color: var(--color-text);
}

.upgrade-banner:hover {
    background: var(--color-surface-2);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.upgrade-banner .pc-icon {
    width: 18px;
    height: 18px;
    flex-basis: 18px;
    color: var(--color-accent);
}

.upgrade-banner-text {
    font-size: 13px;
    font-weight: 600;
}

.upgrade-banner-arrow {
    color: var(--color-text-muted);
}

.nav-avatar-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-avatar-btn {
    min-width: 52px;
    height: 44px;
    padding: 4px 8px 4px 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    overflow: hidden;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-control);
    background: var(--color-surface-1);
    color: var(--color-text);
    transition:
        background-color var(--motion-color),
        border-color var(--motion-color);
}

.nav-avatar-btn:hover,
.nav-avatar-btn[aria-expanded='true'] {
    background: var(--color-surface-2);
    border-color: var(--color-accent);
}

#nav-avatar-inner {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 700;
}

#nav-avatar-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav-avatar-chevron {
    width: 14px;
    height: 14px;
    color: var(--color-text-muted);
    transition: transform var(--motion-transform);
}

.nav-avatar-btn[aria-expanded='true'] .nav-avatar-chevron {
    transform: rotate(180deg);
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    z-index: 2000;
    min-width: 240px;
    padding: var(--space-2);
    display: none;
    flex-direction: column;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    background: var(--color-canvas-raised);
    box-shadow: var(--shadow-overlay);
}

.nav-dropdown.open,
.nav-dropdown.visible {
    display: flex;
}

.nav-dd-user {
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.nav-dd-name {
    margin-bottom: var(--space-1);
    color: var(--color-text);
    font-size: 14px;
    font-weight: 600;
}

.nav-dd-email {
    max-width: 200px;
    overflow: hidden;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-dd-item {
    width: 100%;
    min-height: 44px;
    padding-inline: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 14px;
    text-align: left;
    transition:
        color var(--motion-color),
        background-color var(--motion-color);
}

.nav-dd-item .pc-icon {
    width: 18px;
    height: 18px;
    flex-basis: 18px;
    color: var(--color-text-muted);
}

.nav-dd-item:hover {
    background: var(--color-surface-2);
}

.nav-dd-item.danger {
    color: var(--color-danger);
}

.nav-dd-item.danger .pc-icon {
    color: currentColor;
}

.nav-dd-item.danger:hover {
    background: var(--color-accent-soft);
}

.test-mode-banner {
    position: fixed;
    bottom: var(--space-4);
    left: 50%;
    z-index: 9999;
    min-height: 44px;
    padding: 10px var(--space-6);
    border: 1px solid rgba(242, 185, 95, .45);
    border-radius: var(--radius-control);
    background: var(--color-canvas-raised);
    color: var(--color-warning);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .06em;
    transform: translateX(-50%);
}

@media (max-width: 980px) {
    .nav {
        position: relative;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: var(--space-2);
        padding-inline: 10px;
    }

    .nav-center {
        position: absolute;
        top: calc(100% + var(--space-2));
        right: 0;
        left: 0;
        z-index: 10;
        max-height: calc(100dvh - 96px);
        overflow-y: auto;
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition:
            opacity var(--motion-overlay),
            transform var(--motion-overlay),
            visibility 0s linear var(--motion-overlay);
    }

    .nav.mobile-open .nav-center {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
        transition-delay: 0s;
    }

    .nav-links-pill {
        width: 100%;
        padding: var(--space-2);
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-1);
        border: 1px solid var(--color-border-strong);
        border-radius: var(--radius-md);
        background: var(--color-chrome);
        box-shadow: var(--shadow-overlay);
    }

    .nav-link {
        width: 100%;
        min-height: 44px;
        justify-content: flex-start;
        padding-inline: var(--space-4);
        text-align: left;
    }

    .nav-link::after {
        top: var(--space-3);
        right: auto;
        bottom: var(--space-3);
        left: 5px;
        width: 2px;
        height: auto;
        transform: scaleY(.4);
    }

    .nav-link.active::after {
        transform: scaleY(1);
    }

    .nav-right {
        grid-column: 2;
        grid-row: 1;
    }

    .nav-menu-btn {
        display: inline-flex;
    }

    .page {
        padding-top: 88px;
    }
}

@media (max-width: 720px) {
    .logo {
        padding-right: var(--space-2);
        font-size: 22px;
        letter-spacing: .065em;
    }

    .nav-cta {
        padding-inline: var(--space-3);
        font-size: 13px;
    }

    .nav-dropdown {
        position: fixed;
        top: 88px;
        right: var(--gutter-page);
        left: var(--gutter-page);
        min-width: 0;
    }
}

/* ── Shared public layout ── */
.section {
    opacity: 1;
    transform: none;
}

.section.visible {
    opacity: 1;
    transform: none;
}

.wrap {
    width: 100%;
    max-width: calc(var(--container-standard) + 80px);
    margin-inline: auto;
    padding-inline: var(--gutter-page);
}

.section-head {
    max-width: var(--container-reading);
    margin: 0 auto var(--space-12);
    text-align: center;
}

.section-tag {
    margin-bottom: var(--space-4);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.section-tag::before {
    content: '';
    width: 14px;
    height: 2px;
    flex: 0 0 14px;
    background: var(--color-accent);
}

.section-title {
    color: var(--color-text);
    font-family: var(--font-display);
    font-size: clamp(36px, 4vw, 52px);
    font-weight: 700;
    letter-spacing: .025em;
    line-height: 1;
}

.section-sub {
    max-width: 68ch;
    margin: var(--space-4) auto 0;
    color: var(--color-text-muted);
    font-size: 16px;
    line-height: 1.65;
}

/* ── Shared site footer ── */
.site-footer {
    position: relative;
    z-index: 1;
    width: 100%;
    margin-top: var(--space-24);
    padding: 64px var(--gutter-page) 32px;
    border-top: 1px solid var(--color-border);
    background: var(--color-chrome);
    color: var(--color-text);
}

.footer-shell,
.footer-meta {
    width: 100%;
    max-width: var(--container-standard);
    margin-inline: auto;
}

.footer-shell {
    display: grid;
    grid-template-columns: minmax(200px, .8fr) minmax(480px, 1.7fr) auto;
    gap: var(--space-12);
    align-items: start;
}

.footer-brand {
    display: grid;
    gap: var(--space-3);
    align-content: start;
}

.footer-brand-button {
    appearance: none;
    width: fit-content;
    min-height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    text-align: left;
}

.footer-brand p {
    max-width: 32ch;
    color: var(--color-text-muted);
    font-size: 13px;
    line-height: 1.6;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr));
    gap: var(--space-8);
}

.footer-group {
    display: grid;
    gap: var(--space-3);
    align-content: start;
}

.footer-group-title {
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    line-height: 1.4;
    text-transform: uppercase;
}

.footer-group-links {
    display: grid;
    gap: var(--space-1);
}

.footer-link {
    appearance: none;
    width: fit-content;
    min-width: 44px;
    min-height: 44px;
    padding: 8px 0;
    border: 0;
    background: transparent;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: color var(--motion-color);
}

.footer-link:hover {
    color: var(--color-accent-hover);
}

.footer-social {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: flex-start;
}

.footer-social a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-control);
    background: var(--color-surface-1);
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    transition:
        color var(--motion-color),
        background-color var(--motion-color),
        border-color var(--motion-color);
}

.footer-social a:hover {
    border-color: var(--color-accent);
    background: var(--color-surface-2);
    color: var(--color-accent-hover);
}

.footer-meta {
    margin-top: var(--space-12);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.footer-meta p {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .02em;
    line-height: 1.6;
}

@media (max-width: 980px) {
    .footer-shell {
        grid-template-columns: minmax(180px, .7fr) minmax(0, 1.3fr);
        gap: var(--space-8);
    }

    .footer-social {
        grid-column: 2;
    }
}

@media (max-width: 720px) {
    .site-footer {
        padding-block: 40px 32px;
    }

    .footer-shell,
    .footer-nav {
        grid-template-columns: 1fr;
    }

    .footer-shell,
    .footer-nav {
        gap: var(--space-8);
    }

    .footer-social {
        grid-column: auto;
    }

    .footer-meta {
        margin-top: var(--space-8);
    }
}