/* ==========================================================================
   Imperica Nav — frontend.css
   ========================================================================== */

/* ── Variables ─────────────────────────────────────────────────────────── */
:root {
    --in-transition: 300ms ease;
    --in-z-nav: 900;
    --in-z-offcanvas: 1100;
    --in-z-overlay: 1050;
    --in-dropdown-shadow: 0 8px 32px rgba(0,0,0,.12);
    --in-nav-shadow-sm: 0 1px 4px rgba(0,0,0,.08);
    --in-nav-shadow-md: 0 4px 16px rgba(0,0,0,.12);
    --in-nav-shadow-lg: 0 8px 32px rgba(0,0,0,.18);
}

/* ── Nav bar ─────────────────────────────────────────────────────────── */
.in-nav-bar {
    position: relative;
    width: 100%;
    z-index: var(--in-z-nav);
    transition: background-color var(--in-transition),
                box-shadow var(--in-transition),
                padding var(--in-transition);
}

.in-nav-bar[style*="--in-shadow: sm"] { box-shadow: var(--in-nav-shadow-sm); }
.in-nav-bar[style*="--in-shadow: md"] { box-shadow: var(--in-nav-shadow-md); }
.in-nav-bar[style*="--in-shadow: lg"] { box-shadow: var(--in-nav-shadow-lg); }
.in-nav-bar[style*="--in-shadow: none"] { box-shadow: none; }

/* Sticky states */
.in-nav-bar.in-sticky-active {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: var(--in-nav-shadow-md);
}
.in-nav-bar.in-sticky-shrink.in-sticky-active {
    padding-top: 8px !important;
    padding-bottom: 8px !important;
}
.in-nav-bar.in-sticky-shadow.in-sticky-active {
    box-shadow: var(--in-nav-shadow-lg);
}
.in-nav-bar.in-sticky-hide {
    transform: translateY(-100%);
}
.in-nav-bar.in-sticky-transition {
    transition: transform var(--in-transition),
                background-color var(--in-transition),
                box-shadow var(--in-transition),
                padding var(--in-transition);
}

/* ── Inner layout ────────────────────────────────────────────────────── */
.in-nav-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.in-nav-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    text-decoration: none;
}
.in-nav-logo img {
    display: block;
    max-height: 60px;
    width: auto;
    object-fit: contain;
}

/* ── Nav items ───────────────────────────────────────────────────────── */
.in-nav-items {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
}

.in-nav-item {
    position: relative;
}

.in-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    text-decoration: none;
    font-size: .9375rem;
    font-weight: 500;
    line-height: 1.2;
    border-radius: 6px;
    transition: color var(--in-transition), background-color var(--in-transition);
    white-space: nowrap;
    cursor: pointer;
}
.in-nav-link:hover,
.in-nav-item.is-open > .in-nav-link {
    background-color: rgba(0,0,0,.04);
}

.in-nav-arrow {
    font-size: .625rem;
    transition: transform var(--in-transition);
}
.in-nav-item.is-open > .in-nav-link .in-nav-arrow {
    transform: rotate(180deg);
}

.in-nav-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: .6875rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.4;
    margin-left: 2px;
}

/* ── Dropdown ────────────────────────────────────────────────────────── */
.in-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 220px;
    list-style: none;
    margin: 0;
    padding: 8px;
    box-shadow: var(--in-dropdown-shadow);
    border: 1px solid rgba(0,0,0,.07);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--in-transition), transform var(--in-transition);
    z-index: var(--in-z-nav);
}

.in-nav-item.is-open > .in-dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.in-dropdown-link {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    text-decoration: none;
    transition: background-color var(--in-transition), color var(--in-transition);
}
.in-dropdown-link:hover {
    background-color: rgba(0,0,0,.05);
}

.in-dropdown-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
    font-size: 1rem;
}

.in-dropdown-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.in-dropdown-label {
    font-size: .9375rem;
    font-weight: 500;
    line-height: 1.2;
}

.in-dropdown-desc {
    font-size: .8125rem;
    opacity: .6;
    line-height: 1.3;
}

/* ── Right side: CTA + burger ────────────────────────────────────────── */
.in-nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-shrink: 0;
}

.in-nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: .9375rem;
    line-height: 1.2;
    transition: opacity var(--in-transition), filter var(--in-transition);
    white-space: nowrap;
}
.in-nav-cta:hover {
    opacity: .9;
    filter: brightness(1.06);
}

/* ── Hamburger ───────────────────────────────────────────────────────── */
.in-nav-burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}
.in-nav-burger span {
    display: block;
    height: 2px;
    border-radius: 2px;
    transition: transform var(--in-transition), opacity var(--in-transition);
}
.in-nav-burger.is-active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.in-nav-burger.is-active span:nth-child(2) { opacity: 0; }
.in-nav-burger.is-active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ── Mobile panel (inline) ───────────────────────────────────────────── */
.in-nav-mobile-panel {
    overflow: hidden;
    max-height: 0;
    transition: max-height .35s ease;
}
.in-nav-mobile-panel.is-open {
    max-height: 1000px;
}

.in-mobile-items {
    list-style: none;
    margin: 0;
    padding: 8px 24px 16px;
}

.in-mobile-item {
    border-bottom: 1px solid rgba(0,0,0,.06);
}
.in-mobile-item:last-child {
    border-bottom: none;
}

.in-mobile-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    text-decoration: none;
    font-weight: 500;
    font-size: .9375rem;
    color: inherit;
    cursor: pointer;
}
.in-mobile-link:hover {
    opacity: .7;
}

.in-mobile-arrow {
    font-size: .75rem;
    transition: transform var(--in-transition);
}
.in-mobile-item.is-open > .in-mobile-link .in-mobile-arrow {
    transform: rotate(180deg);
}

.in-mobile-sub {
    list-style: none;
    margin: 0;
    padding: 0 0 8px 16px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
}
.in-mobile-item.is-open > .in-mobile-sub {
    max-height: 600px;
}

.in-mobile-sub-link {
    display: block;
    padding: 8px 0;
    text-decoration: none;
    font-size: .875rem;
    opacity: .8;
    color: inherit;
}
.in-mobile-sub-link:hover {
    opacity: 1;
}

.in-mobile-cta-item {
    padding: 12px 0;
    border-bottom: none;
}
.in-mobile-cta {
    display: block;
    text-align: center;
    width: 100%;
}

/* ── Off-canvas drawer ───────────────────────────────────────────────── */
.in-oc-trigger {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    gap: 8px;
    color: inherit;
    font-family: inherit;
    font-size: .9375rem;
    font-weight: 500;
}

.in-oc-burger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 16px;
}
.in-oc-burger-bar {
    display: block;
    height: 2px;
    border-radius: 2px;
    transition: transform var(--in-transition), opacity var(--in-transition);
}
.in-oc-trigger[aria-expanded="true"] .in-oc-burger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.in-oc-trigger[aria-expanded="true"] .in-oc-burger-bar:nth-child(2) { opacity: 0; }
.in-oc-trigger[aria-expanded="true"] .in-oc-burger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.in-oc-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--in-transition);
    z-index: var(--in-z-overlay);
    backdrop-filter: blur(2px);
}
.in-oc-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

.in-oc-drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    max-width: 100vw;
    overflow-y: auto;
    overscroll-behavior: contain;
    display: flex;
    flex-direction: column;
    transition: transform var(--in-transition);
    z-index: var(--in-z-offcanvas);
    padding: 24px;
    box-shadow: -4px 0 32px rgba(0,0,0,.15);
}
.in-oc-drawer.is-open {
    transform: translateX(0) !important;
}

/* ── Drawer header ───────────────────────────────────────────────────── */
.in-oc-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 12px;
}

.in-oc-logo-link {
    display: block;
    text-decoration: none;
}
.in-oc-logo {
    display: block;
    max-width: 140px;
    max-height: 50px;
    width: auto;
    object-fit: contain;
}

.in-oc-tagline {
    font-size: .8125rem;
    opacity: .55;
    margin: 4px 0 0;
}

.in-oc-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    font-size: 1.5rem;
    line-height: 1;
    color: inherit;
    margin-left: auto;
    flex-shrink: 0;
    opacity: .55;
    transition: opacity var(--in-transition);
}
.in-oc-close:hover {
    opacity: 1;
}

/* ── Drawer nav ──────────────────────────────────────────────────────── */
.in-oc-items {
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
}

.in-oc-item {
    border-bottom: 1px solid rgba(0,0,0,.07);
}
.in-oc-item.in-oc-separator {
    border-bottom-width: 2px;
    margin-bottom: 8px;
    padding-bottom: 8px;
}
.in-oc-item:last-child {
    border-bottom: none;
}

.in-oc-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 0;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color var(--in-transition);
}

.in-oc-item-icon {
    width: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .9375rem;
    opacity: .65;
}

/* ── Drawer contact ──────────────────────────────────────────────────── */
.in-oc-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,.1);
}

.in-oc-contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: .875rem;
    color: inherit;
    opacity: .75;
    transition: opacity var(--in-transition);
}
.in-oc-contact-item:hover {
    opacity: 1;
}

/* ── Drawer social ───────────────────────────────────────────────────── */
.in-oc-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,.1);
}

.in-oc-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(0,0,0,.07);
    color: inherit;
    text-decoration: none;
    font-size: .875rem;
    transition: background-color var(--in-transition), color var(--in-transition);
}
.in-oc-social-link:hover {
    background: rgba(0,0,0,.14);
}

/* ── Body scroll lock ────────────────────────────────────────────────── */
body.in-oc-open {
    overflow: hidden;
}