/* ---------- Shell ---------- */

.navbar {
    position: sticky;       /* takes 64px of flow so content below starts naturally below the bar */
    top: 0;
    left: 0;
    right: 0;
    z-index: 40;
    height: 64px;
    background: var(--bg);
    border-bottom: 1px solid rgba(17, 24, 39, 0.08);
}

/* On hero pages: navbar starts fully transparent at scrollY=0, fades in as the
   user scrolls, reaches 100% opacity at 80% of the hero scrub progress.
   --hero-progress is set by js/hero.js (0→1 during the 120vh scrub phase)
   and stays at 1 thereafter, so navbar stays solid past the hero. */
body.has-hero .navbar {
    --nav-bg-alpha: clamp(0, calc(var(--hero-progress, 0) / 0.8), 1);
    background-color: rgba(var(--nav-bg-rgb), var(--nav-bg-alpha));
    border-bottom-color: rgba(var(--nav-border-rgb), calc(0.08 * var(--nav-bg-alpha)));
}

/* Sync nav-link colors with the bg fade: white over the dark video at the
   start, easing back to the original muted color as the bg becomes solid. */
body.has-hero .navbar__trigger,
body.has-hero .navbar__link,
body.has-hero .navbar__lang-toggle,
body.has-hero .navbar__action--ghost,
body.has-hero .navbar__burger {
    color: color-mix(in srgb, white, var(--text-muted) calc(var(--nav-bg-alpha) * 100%));
}
body.has-hero .navbar__trigger:hover,
body.has-hero .navbar__link:hover,
body.has-hero .navbar__trigger[aria-expanded="true"],
body.has-hero .navbar__lang-toggle:hover,
body.has-hero .navbar__action--ghost:hover {
    color: color-mix(in srgb, white, var(--text) calc(var(--nav-bg-alpha) * 100%));
}
/* Hamburger bars are styled via background-color on a span, not text color */
body.has-hero .navbar__burger-bar {
    background-color: color-mix(in srgb, white, var(--text-muted) calc(var(--nav-bg-alpha) * 100%));
}

.navbar__trigger,
.navbar__link,
.navbar__lang-toggle,
.navbar__action--ghost,
.navbar__burger {
    color: var(--text-muted);
}
.navbar__trigger:hover,
.navbar__link:hover,
.navbar__trigger[aria-expanded="true"],
.navbar__lang-toggle:hover,
.navbar__action--ghost:hover {
    color: var(--text);
}

/* Logo: keep its original brand color at all times */

.navbar__inner {
    max-width: var(--container-max);
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 32px;
}

/* ---------- Brand ---------- */

.navbar__brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.navbar__logo {
    display: block;
    height: 22px;
    width: auto;
    transition: opacity var(--dur-fast) var(--ease-out);
}

.navbar__brand:hover .navbar__logo {
    opacity: 0.78;
}

/* ---------- Nav root ---------- */

.navbar__nav {
    position: relative;
    flex: 1;
    display: flex;
    justify-content: flex-start;
}

.navbar__list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.navbar__item {
    position: relative;
}

.navbar__trigger,
.navbar__link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 32px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    transition: color var(--dur-fast) var(--ease-out),
        background-color var(--dur-fast) var(--ease-out);
}

.navbar__trigger:hover,
.navbar__link:hover,
.navbar__trigger[aria-expanded="true"] {
    color: var(--text);
}

.navbar__chevron {
    opacity: 0.6;
    transition: transform var(--dur-med) var(--ease-out),
        opacity var(--dur-fast) var(--ease-out);
}

.navbar__trigger[aria-expanded="true"] .navbar__chevron {
    transform: rotate(180deg);
    opacity: 1;
}

/* ---------- Dropdown (morphing panel) ---------- */

.navbar__dropdown {
    position: absolute;
    top: calc(100% + 14px);
    left: 0;
    width: 0;
    height: 0;
    pointer-events: none;
    opacity: 0;
    transform: translate3d(var(--dd-x, 0px), -6px, 0);
    transition: transform var(--dur-slow) var(--ease-out),
        width var(--dur-slow) var(--ease-out),
        height var(--dur-slow) var(--ease-out),
        opacity var(--dur-med) var(--ease-out);
    will-change: transform, width, height;
}

.navbar__dropdown.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translate3d(var(--dd-x, 0px), 0, 0);
}

/* Caret that points at the active trigger */
.navbar__dropdown-caret {
    position: absolute;
    top: -6px;
    left: var(--caret-x, 24px);
    width: 12px;
    height: 12px;
    background: var(--bg-elevated);
    border-left: 1px solid var(--border);
    border-top: 1px solid var(--border);
    transform: translateX(-50%) rotate(45deg);
    transition: left var(--dur-slow) var(--ease-out);
    z-index: 1;
}

.navbar__dropdown-viewport {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px -20px rgba(4, 44, 113, 0.22),
        0 6px 16px -8px rgba(17, 24, 39, 0.08),
        0 1px 2px rgba(17, 24, 39, 0.04);
    overflow: hidden;
}

/* ---------- Panels (stacked, cross-fade) ---------- */

.navbar__panel {
    position: absolute;
    inset: 0;
    padding: 14px;
    opacity: 0;
    pointer-events: none;
    transform: translateX(var(--panel-enter, 12px));
    transition: opacity var(--dur-med) var(--ease-out),
        transform var(--dur-med) var(--ease-out);
}

.navbar__panel.is-active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
    transition-delay: 60ms;
}

.navbar__panel-grid {
    display: grid;
    gap: 2px;
    min-width: 520px;
}

.navbar__panel-grid--two {
    grid-template-columns: 1fr 1fr;
    min-width: 560px;
}

.navbar__panel-grid--one {
    grid-template-columns: 1fr;
    min-width: 320px;
}

/* ---------- Cards ---------- */

.navbar__card {
    --accent: var(--brand-300);

    display: grid;
    grid-template-columns: 36px 1fr;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text);
    transition: background-color var(--dur-fast) var(--ease-out);
}

.navbar__card:hover {
    background: var(--surface-hover);
}

.navbar__card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-muted);
    transition: color var(--dur-fast) var(--ease-out),
        background-color var(--dur-fast) var(--ease-out),
        transform var(--dur-med) var(--ease-out);
}

.navbar__card:hover .navbar__card-icon {
    background: var(--icon-hover-bg);
}

.navbar__card-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.navbar__card-title {
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-semibold);
    color: var(--text);
    letter-spacing: var(--ls-tight);
}

.navbar__card-desc {
    font-size: var(--fs-caption);
    color: var(--text-muted);
    line-height: var(--lh-snug);
    /* Always exactly two lines, so every menu item is the same height
       (owner, 2026-09-28): short texts reserve the space, long ones clip. */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    min-height: calc(2 * var(--fs-caption) * var(--lh-snug));
}

/* ---------- Right side actions ---------- */

.navbar__actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* ---------- Language switcher ---------- */

.navbar__lang {
    position: relative;
}

.navbar__lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 32px;
    padding: 0 10px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-caption);
    font-weight: var(--fw-medium);
    color: var(--text-muted);
    transition: color var(--dur-fast) var(--ease-out),
        background-color var(--dur-fast) var(--ease-out);
}

.navbar__lang-toggle:hover,
.navbar__lang-toggle[aria-expanded="true"] {
    color: var(--text);
    background: var(--surface-hover);
}

.navbar__lang-globe {
    opacity: 0.85;
}

.navbar__lang-current {
    font-weight: var(--fw-semibold);
    letter-spacing: 0.02em;
}

.navbar__lang-toggle .navbar__chevron {
    margin-left: 1px;
}

.navbar__lang-toggle[aria-expanded="true"] .navbar__chevron {
    transform: rotate(180deg);
}

/* Menu popover */
.navbar__lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    padding: 6px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 32px -12px rgba(17, 24, 39, 0.18),
        0 4px 10px -6px rgba(17, 24, 39, 0.08),
        0 1px 2px rgba(17, 24, 39, 0.04);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px) scale(0.98);
    transform-origin: top right;
    transition: opacity var(--dur-med) var(--ease-out),
        transform var(--dur-med) var(--ease-out);
    z-index: 50;
}

.navbar__lang-menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.navbar__lang-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-caption);
    color: var(--text);
    text-align: start;
    transition: background-color var(--dur-fast) var(--ease-out),
        color var(--dur-fast) var(--ease-out);
}

.navbar__lang-item:hover,
.navbar__lang-item:focus-visible {
    background: var(--surface-hover);
    outline: none;
}

.navbar__lang-name {
    font-weight: var(--fw-medium);
}

.navbar__lang-code {
    font-size: var(--fs-eyebrow);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--ls-caps);
    color: var(--text-muted);
}

.navbar__lang-check {
    color: var(--brand);
    opacity: 0;
    transition: opacity var(--dur-fast) var(--ease-out);
}

.navbar__lang-item.is-active .navbar__lang-code {
    color: var(--brand);
}

.navbar__lang-item.is-active .navbar__lang-check {
    opacity: 1;
}

.navbar__action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    padding: 0 14px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    transition: background-color var(--dur-fast) var(--ease-out),
        color var(--dur-fast) var(--ease-out),
        border-color var(--dur-fast) var(--ease-out);
    border: 1px solid transparent;
}

.navbar__action--ghost {
    color: var(--text-muted);
}

.navbar__action--ghost:hover {
    color: var(--text);
    background: var(--surface-hover);
}

.navbar__action--primary {
    color: #ffffff;
    background: var(--brand-fill);
    border-color: var(--brand-fill);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset,
        0 1px 2px rgba(4, 44, 113, 0.2);
}

.navbar__action--primary:hover {
    background: var(--brand-fill-600);
    border-color: var(--brand-fill-600);
}

/* ---------- Burger (mobile only) ---------- */

.navbar__burger {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    color: var(--text);
    transition: background-color var(--dur-fast) var(--ease-out);
}

.navbar__burger:hover {
    background: var(--surface-hover);
}

.navbar__burger-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: var(--radius-xs);
    transition: transform var(--dur-med) var(--ease-out),
        opacity var(--dur-fast) var(--ease-out);
}

.navbar__burger[aria-expanded="true"] .navbar__burger-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.navbar__burger[aria-expanded="true"] .navbar__burger-bar:nth-child(2) {
    opacity: 0;
}
.navbar__burger[aria-expanded="true"] .navbar__burger-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
    .navbar__inner {
        gap: 0;
        padding: 0 16px;
        justify-content: space-between;
    }

    .navbar__nav,
    .navbar__actions {
        display: none;
    }

    .navbar__burger {
        display: inline-flex;
    }
}

@media (prefers-reduced-motion: reduce) {
    .navbar__dropdown,
    .navbar__dropdown-caret,
    .navbar__panel,
    .navbar__card-icon,
    .navbar__chevron,
    .navbar__burger-bar {
        transition: none !important;
    }
}

/* ================================================================== */
/*  Mobile drawer                                                     */
/* ================================================================== */

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 50;
    pointer-events: none;
    visibility: hidden;
    transition: visibility 0s linear var(--dur-slow);
}

.mobile-menu.is-open {
    pointer-events: auto;
    visibility: visible;
    transition: visibility 0s linear 0s;
}

.mobile-menu__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 10, 26, 0.38);
    opacity: 0;
    transition: opacity var(--dur-med) var(--ease-out);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.mobile-menu.is-open .mobile-menu__backdrop {
    opacity: 1;
}

.mobile-menu__panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(92vw, 380px);
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--bg-elevated);
    border-left: 1px solid var(--border);
    box-shadow: -24px 0 60px -20px rgba(4, 44, 113, 0.18);
    transform: translateX(100%);
    transition: transform var(--dur-slow) var(--ease-out);
    overflow: hidden;
}

[dir="rtl"] .mobile-menu__panel {
    right: auto;
    left: 0;
    border-left: 0;
    border-right: 1px solid var(--border);
    box-shadow: 24px 0 60px -20px rgba(4, 44, 113, 0.18);
    transform: translateX(-100%);
}

.mobile-menu.is-open .mobile-menu__panel {
    transform: translateX(0);
}

.mobile-menu__head {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    min-height: 64px;
}

.mobile-menu__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: background-color var(--dur-fast) var(--ease-out),
        color var(--dur-fast) var(--ease-out);
}

.mobile-menu__close:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.mobile-menu__body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: 8px 8px 16px;
}

/* Divider under every top-level item: accordion groups and plain links alike. */
.mobile-menu__group,
.mobile-menu__row--link {
    border-bottom: 1px solid var(--border);
}
.mobile-menu__row--link { border-radius: var(--radius-sm) var(--radius-sm) 0 0; }

.mobile-menu__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 48px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: var(--fs-body);
    font-weight: var(--fw-medium);
    text-align: start;
    transition: background-color var(--dur-fast) var(--ease-out);
}

.mobile-menu__row:hover,
.mobile-menu__row:focus-visible {
    background: var(--surface-hover);
    outline: none;
}

.mobile-menu__chev {
    color: var(--text-muted);
    transition: transform var(--dur-med) var(--ease-out);
}

.mobile-menu__group.is-open .mobile-menu__chev {
    transform: rotate(180deg);
}

.mobile-menu__sub {
    display: grid;
    grid-template-rows: 0fr;
    overflow: hidden;
    visibility: hidden;
    pointer-events: none;
    transition: grid-template-rows var(--dur-slow) var(--ease-out),
        visibility 0s linear var(--dur-slow);
}

.mobile-menu__group.is-open .mobile-menu__sub {
    grid-template-rows: 1fr;
    visibility: visible;
    pointer-events: auto;
    transition: grid-template-rows var(--dur-slow) var(--ease-out),
        visibility 0s linear 0s;
}

.mobile-menu__sub-inner {
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 4px 4px 10px;
}

.mobile-menu__sub-inner--lang {
    padding: 2px 4px 10px 40px;
}

[dir="rtl"] .mobile-menu__sub-inner--lang {
    padding: 2px 40px 10px 4px;
}

/* Closed sections take no extra height, so every top-level row is the same
   height as the plain links (Pricing, About). */
.mobile-menu__group:not(.is-open) .mobile-menu__sub-inner {
    padding-top: 0;
    padding-bottom: 0;
}

.mobile-menu__sublink {
    display: block;
    padding: 10px 28px;
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: background-color var(--dur-fast) var(--ease-out),
        color var(--dur-fast) var(--ease-out);
}

.mobile-menu__sublink:hover {
    background: var(--surface-hover);
    color: var(--brand);
}

/* Row header: label on the left, current value + chevron on the right */
.mobile-menu__label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu__label-icon {
    color: var(--text-muted);
}

.mobile-menu__row-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.mobile-menu__row-value {
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-medium);
    color: var(--text-muted);
}

.mobile-menu__lang {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    min-height: 40px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
    text-align: start;
    transition: background-color var(--dur-fast) var(--ease-out),
        color var(--dur-fast) var(--ease-out);
}

.mobile-menu__lang:hover,
.mobile-menu__lang:focus-visible {
    background: var(--surface-hover);
    color: var(--text);
    outline: none;
}

.mobile-menu__lang-name {
    font-weight: var(--fw-medium);
}

.mobile-menu__lang-check {
    color: var(--brand);
    opacity: 0;
    transform: scale(0.85);
    transition: opacity var(--dur-fast) var(--ease-out),
        transform var(--dur-med) var(--ease-out);
}

.mobile-menu__lang.is-active {
    color: var(--brand);
}

.mobile-menu__lang.is-active .mobile-menu__lang-check {
    opacity: 1;
    transform: scale(1);
}

.mobile-menu__cta {
    flex-shrink: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
}

.mobile-menu__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 44px;
    font-size: var(--fs-body-sm);
}

/* Lock background scroll when drawer is open */
body.is-mobile-open {
    overflow: hidden;
}