/* =====================================================================
   Global chrome: navbar, footer, logo, scroll-reveal
   ===================================================================== */

/* ---------- Navbar ---------- */
.nav {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: 1rem; }
.nav-brand { display: inline-flex; align-items: center; }
.nav-menu { display: flex; align-items: center; gap: .25rem; }
.nav-link {
    font-size: .92rem; font-weight: 500; color: var(--ink-700);
    padding: .5rem .85rem; border-radius: var(--r-pill);
    transition: color var(--t-fast), background var(--t-fast);
}
.nav-link:hover { color: var(--ink-900); background: var(--paper-2); }
.nav-link.active { color: var(--blue-700); background: rgba(30, 107, 255, .08); }
.nav-actions { display: flex; align-items: center; gap: .6rem; margin-left: .7rem; }
.nav-actions form { margin: 0; }
.nav-user { font-size: .9rem; font-weight: 600; color: var(--ink-700); white-space: nowrap; }

.nav-toggle { display: none; }
.nav-burger { display: none; }

@media (max-width: 900px) {
    .nav-burger {
        display: inline-flex; align-items: center; justify-content: center;
        width: 42px; height: 42px; border-radius: 11px;
        border: 1px solid var(--line-2); background: #fff; cursor: pointer;
    }
    .nav-burger span, .nav-burger span::before, .nav-burger span::after {
        content: ""; display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--ink-900);
        transition: transform var(--t), opacity var(--t-fast);
    }
    .nav-burger span { position: relative; }
    .nav-burger span::before { position: absolute; top: -6px; }
    .nav-burger span::after { position: absolute; top: 6px; }

    .nav-menu {
        position: fixed; top: var(--nav-h); left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: .15rem;
        background: #fff; border-bottom: 1px solid var(--line);
        padding: 1rem 24px 1.5rem; box-shadow: var(--shadow-md);
        transform: translateY(-130%); transition: transform .3s var(--ease);
        max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
    }
    .nav-toggle:checked ~ .nav-menu { transform: none; }
    .nav-link { padding: .75rem .9rem; font-size: 1rem; }
    .nav-actions { flex-direction: column; align-items: stretch; gap: .55rem; margin: .7rem 0 0; }

    .nav-toggle:checked ~ .nav-burger span { background: transparent; }
    .nav-toggle:checked ~ .nav-burger span::before { transform: translateY(6px) rotate(45deg); }
    .nav-toggle:checked ~ .nav-burger span::after { transform: translateY(-6px) rotate(-45deg); }
}

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; line-height: 0; }
.logo-img { display: block; width: auto; }
.logo-img-header { height: 55px; }                       /* header — horizontal "intertraff VMM" lockup */
.logo-img-footer { height: 72px; border-radius: 12px; }  /* footer — simple blue "intertraff" mark */
@media (max-width: 900px) { .logo-img-header { height: 38px; } }

/* ---------- Footer ---------- */
.footer { background: var(--navy-900); color: #9fb2cd; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2.4rem; }
.footer h4 { color: #fff; font-family: var(--font-display); font-size: .95rem; margin-bottom: 1rem; }
.footer a { color: #9fb2cd; display: block; padding: .32rem 0; font-size: .92rem; }
.footer a:hover { color: #fff; }
.footer-brand p { max-width: 340px; font-size: .92rem; line-height: 1.7; margin: 1rem 0 1.1rem; }
.footer-brand p a { display: inline; padding: 0; color: var(--cyan-300); white-space: nowrap; }
.footer-brand p a:hover { color: #fff; }
.footer-bottom {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
    margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, .08); font-size: .85rem;
}
.footer-meta { display: inline-flex; gap: 1.2rem; align-items: center; }
.footer-meta a { display: inline; padding: 0; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; } }

/* ---------- Legal pages (Privacy / Terms) ---------- */
.legal-updated {
    display: inline-flex; align-items: center; gap: .45rem;
    font-family: var(--font-mono); font-size: .8rem; letter-spacing: .02em;
    color: var(--blue-700); margin: .2rem 0 1.2rem;
}
.legal-updated svg { width: 15px; height: 15px; }

.legal-shell {
    display: grid; grid-template-columns: 230px minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem); align-items: start;
}
.legal-toc { position: sticky; top: calc(var(--nav-h) + 24px); }
.legal-toc-h {
    font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em;
    text-transform: uppercase; color: var(--ink-400); margin: 0 0 .8rem;
}
.legal-toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .1rem; }
.legal-toc a {
    display: block; padding: .38rem .7rem; font-size: .85rem; color: var(--ink-500);
    border-left: 2px solid var(--line); border-radius: 0 var(--r-sm) var(--r-sm) 0;
    transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.legal-toc a:hover { color: var(--blue-700); background: var(--paper-2); border-left-color: var(--blue-400); }

.legal-prose { max-width: 740px; }
.legal-prose h2 {
    font-size: 1.32rem; margin: 2.6rem 0 .7rem;
    scroll-margin-top: calc(var(--nav-h) + 18px);
}
.legal-prose > h2:first-child { margin-top: 0; }
.legal-prose h3 { font-size: 1.04rem; margin: 1.5rem 0 .5rem; }
.legal-prose p { color: var(--ink-700); line-height: 1.75; margin: 0 0 1.1rem; }
.legal-prose ul { margin: 0 0 1.2rem; padding-left: 1.25rem; }
.legal-prose li { color: var(--ink-700); line-height: 1.7; margin-bottom: .5rem; }
.legal-prose strong { color: var(--ink-900); font-weight: 600; }
.legal-prose a { font-weight: 500; }

@media (max-width: 880px) {
    .legal-shell { grid-template-columns: 1fr; }
    .legal-toc { display: none; }
}

/* ---------- Test Zone bounding boxes (created by site.js, so global) ---------- */
.tz-box {
    position: absolute; border: 2px solid var(--cyan-400); border-radius: 6px; pointer-events: none;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, .3), 0 0 16px rgba(56, 189, 248, .5), inset 0 0 14px rgba(56, 189, 248, .14);
    animation: tz-box-in .35s cubic-bezier(.4, 0, .2, 1) both;
}
/* corner reticle accents */
.tz-box::before, .tz-box::after { content: ""; position: absolute; width: 13px; height: 13px; border: 2.5px solid var(--cyan-300); }
.tz-box::before { top: -3px; left: -3px; border-right: 0; border-bottom: 0; border-radius: 6px 0 0 0; }
.tz-box::after { right: -3px; bottom: -3px; border-left: 0; border-top: 0; border-radius: 0 0 6px 0; }

.tz-box.plate { border-color: #fff; box-shadow: 0 0 0 1px rgba(0, 0, 0, .3), 0 0 16px rgba(255, 255, 255, .55), inset 0 0 14px rgba(255, 255, 255, .16); }
.tz-box.plate::before, .tz-box.plate::after { border-color: #fff; }

/* Vehicle info card (make & model + country) pinned inside the box's top-left. */
.tz-box-label {
    position: absolute; top: 8px; left: 8px; max-width: calc(100% - 16px);
    display: flex; flex-direction: column; align-items: flex-start; gap: 1px;
    background: rgba(6, 18, 34, .82); color: #fff;
    font-family: var(--font-sans); line-height: 1.15;
    padding: .34rem .6rem; border-radius: 8px;
    border: 1px solid rgba(56, 189, 248, .4); box-shadow: 0 4px 14px rgba(0, 0, 0, .45);
}
.tz-box-make { font-size: .86rem; font-weight: 700; max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tz-box-country { font-size: .73rem; font-weight: 600; color: var(--cyan-300); }

@keyframes tz-box-in { from { opacity: 0; transform: scale(1.07); } to { opacity: 1; transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .tz-box { animation: none; } }

/* ---------- Test Zone 3D plate annotation (created by site.js, so global) ---------- */
.tz-3d { position: absolute; inset: 0; overflow: visible; pointer-events: none; animation: tz-box-in .4s cubic-bezier(.4, 0, .2, 1) both; }
.tz-3d-front { fill: rgba(255, 255, 255, .06); stroke: #fff; stroke-width: 2.4; stroke-linejoin: round; filter: drop-shadow(0 0 6px rgba(255, 255, 255, .55)); }
.tz-3d-back { fill: none; stroke: var(--cyan-300); stroke-width: 1.4; stroke-dasharray: 4 3; opacity: .8; }
.tz-3d-edge { stroke: var(--cyan-300); stroke-width: 1.4; opacity: .9; }
.tz-3d-face { fill: rgba(56, 189, 248, .16); stroke: none; }
.tz-plate3d-tag {
    position: absolute; transform: translateY(-118%); z-index: 2;
    font-family: var(--font-mono); font-weight: 700; font-size: 1.18rem; letter-spacing: .1em;
    color: var(--navy-850); background: linear-gradient(180deg, #fff, #eef3fb);
    border: 1.5px solid #fff; border-radius: 7px; padding: .3rem .72rem; white-space: nowrap;
    box-shadow: 0 3px 12px rgba(0, 0, 0, .4), 0 0 16px rgba(125, 211, 252, .5);
}
@media (prefers-reduced-motion: reduce) { .tz-3d { animation: none; } }

/* ---------- Scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
[data-reveal].in-view { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; transition: none; } }