/* =====================================================================
   DIGITALBOOKK RESPONSIVE HEADER & NAVIGATION
   =====================================================================
   Developer notes:
   - Desktop navigation begins at 1024px.
   - Tablet navigation covers 768px–1023px.
   - Mobile navigation covers widths below 768px.
   - Change the variables below to re-theme the navigation in one place.
   - Poppins is the selected nav font. Inter or Manrope can be substituted in
     --nav-font without changing the component layout.
   ===================================================================== */

:root {
    --nav-font: "Poppins", "Inter", "Manrope", sans-serif;
    --nav-white: #ffffff;
    --nav-ink: #171826;
    --nav-muted: #667085;
    --nav-accent: #6d28d9;
    --nav-accent-dark: #5420ac;
    --nav-drawer: #5968ec;
    --nav-drawer-dark: #4d5bd8;
    --nav-mega: #0f0e47;
    --nav-mega-dark: #525081;
    --nav-highlight: #eff40b;
    --nav-border: #e8e8ed;
    --nav-shadow: 0 10px 30px rgba(25, 20, 45, 0.12);
    --nav-desktop-height: 80px;
    --nav-tablet-height: 68px;
    --nav-mobile-height: 62px;
}

.site-header,
.site-header *,
.mobile-menu,
.mobile-menu * {
    box-sizing: border-box;
}

.site-header button,
.mobile-menu button,
.mobile-menu input {
    font: inherit;
}

.site-header {
    width: 100%;
    min-height: var(--nav-desktop-height);
    background: var(--nav-white);
    border-bottom: 1px solid var(--nav-border);
    box-shadow: 0 3px 18px rgba(23, 24, 38, 0.08);
    font-family: var(--nav-font);
    z-index: 2100;
}

.site-header__inner {
    width: min(100%, 1440px);
    height: var(--nav-desktop-height);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
}

.site-brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    margin-right: auto;
    text-decoration: none;
}

.site-brand img {
    display: block;
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 5px 16px rgba(23, 24, 38, 0.16);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.site-brand:hover img {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(23, 24, 38, 0.2);
}

/* ------------------------- Desktop navigation ------------------------ */

.desktop-menu {
    height: 100%;
    display: flex;
    align-items: stretch;
}

.desktop-nav {
    display: flex;
    align-items: stretch;
    height: 100%;
    padding: 0;
    margin: 0;
    list-style: none;
}

.desktop-nav__item {
    position: relative;
    display: flex;
    align-items: stretch;
    border-left: 1px solid var(--nav-border);
}

.desktop-nav__item:last-child {
    border-right: 1px solid var(--nav-border);
}

.desktop-nav__link,
.desktop-nav__trigger {
    min-width: 102px;
    min-height: 100%;
    padding: 0 20px;
    border: 0;
    background: var(--nav-white);
    color: var(--nav-ink) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--nav-font);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.025em;
    line-height: 1;
    text-decoration: none !important;
    white-space: nowrap;
    cursor: pointer;
    transition: color 180ms ease, background-color 180ms ease;
}

.desktop-nav__trigger i {
    font-size: 9px;
    transition: transform 180ms ease;
}

.desktop-nav__link:hover,
.desktop-nav__link:focus-visible,
.desktop-nav__trigger:hover,
.desktop-nav__trigger:focus-visible,
.desktop-nav__item--mega.is-open > .desktop-nav__trigger,
.desktop-nav__item--mega:hover > .desktop-nav__trigger {
    color: var(--nav-accent) !important;
    background: #faf8ff;
}

.desktop-nav__link.is-current,
.desktop-nav__trigger.is-current {
    color: var(--nav-accent) !important;
    background: #faf8ff;
    box-shadow: inset 0 -3px 0 var(--nav-accent);
}

.desktop-nav__item--mega.is-open > .desktop-nav__trigger i,
.desktop-nav__item--mega:hover > .desktop-nav__trigger i {
    transform: rotate(180deg);
}

.site-header__cta {
    min-height: 42px;
    margin-left: 18px;
    padding: 0 18px;
    border: 1px solid var(--nav-accent);
    border-radius: 999px;
    background: var(--nav-accent);
    color: var(--nav-white) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-family: var(--nav-font);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.025em;
    line-height: 1;
    text-decoration: none !important;
    white-space: nowrap;
    transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.site-header__cta:hover,
.site-header__cta:focus-visible {
    border-color: var(--nav-accent-dark);
    background: var(--nav-accent-dark);
    color: var(--nav-white) !important;
    transform: translateY(-1px);
}

/* ----------------------------- Mega menus ---------------------------- */

.mega-menu {
    position: fixed;
    top: var(--nav-desktop-height);
    left: 50%;
    width: min(960px, calc(100vw - 32px));
    max-height: calc(100vh - var(--nav-desktop-height) - 20px);
    overflow-x: hidden;
    overflow-y: auto;
    background: var(--nav-mega);
    color: var(--nav-white);
    border-top: 4px solid var(--nav-accent);
    border-radius: 0 0 8px 8px;
    box-shadow: 0 24px 45px rgba(17, 19, 25, 0.28);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, -8px);
    transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
    z-index: 2150;
}

.mega-menu--website {
    width: min(780px, calc(100vw - 32px));
    display: grid;
    grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.28fr);
}

.desktop-nav__item--mega.is-open > .mega-menu,
.desktop-nav__item--mega:hover > .mega-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.mega-menu__intro {
    padding: 34px 30px;
    background: var(--nav-mega-dark);
}

.mega-menu__eyebrow {
    display: block;
    margin-bottom: 10px;
    color: var(--nav-highlight);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.mega-menu__intro h2 {
    margin: 0 0 12px;
    color: var(--nav-white);
    font-family: var(--nav-font);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.35;
}

.mega-menu__intro p {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 13px;
    line-height: 1.65;
}

.mega-menu__grid--website {
    padding: 25px 28px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    align-content: start;
    gap: 0 24px;
}

.mega-menu__link {
    min-height: 54px;
    padding: 8px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.28);
    color: var(--nav-white) !important;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.35;
    text-decoration: none !important;
    transition: color 160ms ease, padding-left 160ms ease;
}

.mega-menu__link i {
    color: var(--nav-highlight);
    font-size: 10px;
}

.mega-menu__link:hover,
.mega-menu__link:focus-visible {
    padding-left: 9px;
    color: var(--nav-highlight) !important;
}

.mega-menu__link.is-current {
    color: var(--nav-highlight) !important;
}

.mega-menu__grid--hosting {
    padding: 26px 28px 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 30px;
}

.mega-menu__group h2 {
    margin: 0;
    padding: 0 0 9px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--nav-highlight);
    font-family: var(--nav-font);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.3;
}

.mega-menu__group ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

.mega-menu__group li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.27);
}

.mega-menu__group a {
    display: block;
    padding: 10px 0;
    color: var(--nav-white) !important;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
    text-decoration: none !important;
    transition: color 160ms ease, padding-left 160ms ease;
}

.mega-menu__group a:hover,
.mega-menu__group a:focus-visible {
    padding-left: 6px;
    color: var(--nav-highlight) !important;
}

/* ------------------------ Mobile/tablet controls --------------------- */

.menu-btn {
    display: none;
}

.nav-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: rgba(17, 18, 31, 0.58);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 220ms ease, visibility 220ms ease;
    z-index: 2200;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-menu {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(360px, 86vw);
    height: 100vh;
    height: 100dvh;
    padding: 0 18px 22px;
    background: linear-gradient(165deg, var(--nav-drawer) 0%, var(--nav-drawer-dark) 100%);
    color: var(--nav-white);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    box-shadow: 12px 0 35px rgba(25, 26, 58, 0.28);
    transform: translateX(-105%);
    visibility: hidden;
    transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1), visibility 260ms ease;
    font-family: var(--nav-font);
    z-index: 2300;
}

.mobile-menu.active {
    transform: translateX(0);
    visibility: visible;
}

body.mobile-menu-open {
    overflow: hidden;
}

.menu-header {
    min-height: 86px;
    padding: 14px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.mobile-brand {
    min-width: 0;
    color: var(--nav-white) !important;
    display: flex;
    align-items: center;
    gap: 11px;
    text-decoration: none !important;
}

.mobile-brand img {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    border: 3px solid rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    object-fit: cover;
    background: var(--nav-white);
}

.mobile-brand span {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.mobile-brand strong {
    overflow: hidden;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mobile-brand small {
    color: rgba(255, 255, 255, 0.74);
    font-size: 9px;
    line-height: 1.4;
}

.mobile-menu__close {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--nav-white);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background-color 160ms ease;
}

.mobile-menu__close:hover,
.mobile-menu__close:focus-visible {
    background: rgba(255, 255, 255, 0.22);
}

.mobile-menu__search {
    position: relative;
    margin: 3px 0 19px;
}

.mobile-menu__search i {
    position: absolute;
    top: 50%;
    left: 14px;
    color: #727692;
    font-size: 13px;
    pointer-events: none;
    transform: translateY(-50%);
}

.mobile-menu__search input {
    width: 100%;
    height: 42px;
    padding: 0 14px 0 38px;
    border: 0;
    border-radius: 7px;
    outline: 2px solid transparent;
    background: var(--nav-white);
    color: var(--nav-ink);
    font-size: 13px;
    box-shadow: 0 5px 14px rgba(35, 37, 89, 0.14);
}

.mobile-menu__search input:focus {
    outline-color: rgba(255, 255, 255, 0.65);
}

.mobile-menu__search input::placeholder {
    color: #8a8da3;
}

.mobile-menu__label {
    margin: 0 10px 8px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
}

.mobile-nav,
.mobile-submenu {
    padding: 0;
    margin: 0;
    list-style: none;
}

.mobile-nav > li {
    margin: 3px 0;
}

.mobile-nav__link {
    width: 100%;
    min-height: 47px;
    padding: 8px 12px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: rgba(255, 255, 255, 0.94) !important;
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    font-family: var(--nav-font);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.3;
    text-align: left;
    text-decoration: none !important;
    cursor: pointer;
    transition: color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.mobile-nav__link > i:first-child {
    width: 28px;
    font-size: 15px;
    text-align: center;
}

.mobile-nav__link:hover,
.mobile-nav__link:focus-visible,
.mobile-nav__link.is-current,
.mobile-nav__toggle[aria-expanded="true"] {
    background: var(--nav-white);
    color: var(--nav-drawer-dark) !important;
    box-shadow: 0 5px 16px rgba(30, 32, 80, 0.16);
}

.mobile-nav__link:hover,
.mobile-nav__link:focus-visible {
    transform: translateX(2px);
}

.mobile-nav__chevron {
    font-size: 10px;
    transition: transform 180ms ease;
}

.mobile-nav__toggle[aria-expanded="true"] .mobile-nav__chevron {
    transform: rotate(180deg);
}

.mobile-submenu {
    max-height: 250px;
    margin: 6px 0 8px 38px;
    padding: 7px 8px 7px 12px;
    border-left: 1px solid rgba(255, 255, 255, 0.34);
    overflow-y: auto;
    background: rgba(39, 43, 128, 0.18);
    border-radius: 0 8px 8px 0;
}

.mobile-submenu[hidden] {
    display: none;
}

.mobile-submenu li {
    margin: 0;
}

.mobile-submenu a {
    display: block;
    padding: 8px 7px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.13);
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.35;
    text-decoration: none !important;
    transition: color 160ms ease, padding-left 160ms ease;
}

.mobile-submenu a:hover,
.mobile-submenu a:focus-visible {
    padding-left: 11px;
    color: var(--nav-highlight) !important;
}

.mobile-submenu__heading {
    padding: 11px 7px 4px;
    color: var(--nav-highlight);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mobile-menu__empty {
    margin: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    text-align: center;
}

.mobile-contact {
    margin-top: auto;
    padding: 18px 4px 2px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.mobile-contact a {
    min-width: 0;
    padding: 10px 5px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--nav-white) !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 600;
    text-decoration: none !important;
    transition: background-color 160ms ease;
}

.mobile-contact a:hover,
.mobile-contact a:focus-visible {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-contact i {
    font-size: 14px;
}

.site-header a:focus-visible,
.site-header button:focus-visible,
.mobile-menu a:focus-visible,
.mobile-menu button:focus-visible,
.mobile-menu input:focus-visible {
    outline: 3px solid rgba(239, 244, 11, 0.8);
    outline-offset: 2px;
}

/* ---------------------- Compact desktop: 1024–1199 ------------------ */

@media (min-width: 1024px) and (max-width: 1199.98px) {
    .site-header__inner {
        padding: 0 20px;
    }

    .site-brand img {
        width: 58px;
        height: 58px;
    }

    .desktop-nav__link,
    .desktop-nav__trigger {
        min-width: 88px;
        padding: 0 14px;
        font-size: 13px;
    }

    .site-header__cta {
        margin-left: 12px;
        padding: 0 14px;
        font-size: 12px;
    }

    .mega-menu__grid--hosting {
        gap: 20px;
    }
}

/* ------------------------- Tablet: 768–1023 ------------------------- */

@media (max-width: 1023.98px) {
    .site-header {
        min-height: var(--nav-tablet-height);
    }

    .site-header__inner {
        height: var(--nav-tablet-height);
        padding: 0 24px;
    }

    .site-brand img {
        width: 50px;
        height: 50px;
    }

    .desktop-menu,
    .site-header__cta {
        display: none !important;
    }

    .menu-btn {
        width: 46px;
        height: 46px;
        flex: 0 0 46px;
        margin-left: auto;
        padding: 0;
        border: 0;
        border-radius: 12px;
        background: var(--nav-drawer);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        box-shadow: 0 6px 16px rgba(78, 91, 216, 0.28);
        cursor: pointer;
        transition: background-color 180ms ease, transform 180ms ease;
    }

    .menu-btn:hover,
    .menu-btn:focus-visible {
        background: var(--nav-drawer-dark);
        transform: translateY(-1px);
    }

    .menu-btn span {
        width: 20px;
        height: 2px;
        border-radius: 2px;
        background: var(--nav-white);
        display: block;
    }

    .mobile-nav__link {
        font-size: 15px;
    }

    .mobile-submenu a {
        font-size: 13px;
    }
}

/* ---------------------------- Mobile: <768 -------------------------- */

@media (max-width: 767.98px) {
    .site-header {
        min-height: var(--nav-mobile-height);
    }

    .site-header__inner {
        height: var(--nav-mobile-height);
        padding: 0 15px;
    }

    .site-brand img {
        width: 44px;
        height: 44px;
    }

    .menu-btn {
        width: 42px;
        height: 42px;
        flex-basis: 42px;
        border-radius: 10px;
    }

    .mobile-menu {
        width: min(330px, 88vw);
        padding-right: 15px;
        padding-left: 15px;
    }

    .mobile-nav__link {
        min-height: 45px;
        font-size: 14px;
    }

    .mobile-submenu a {
        font-size: 12px;
    }
}

@media (max-width: 359.98px) {
    .site-header__inner {
        padding: 0 10px;
    }

    .mobile-menu {
        width: 92vw;
        padding-right: 12px;
        padding-left: 12px;
    }

    .mobile-brand strong {
        font-size: 13px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-header *,
    .mobile-menu,
    .mobile-menu * {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}