/* Blu premium landing-page system
 * Visual polish layer shared by the public website.
 * Loaded after page-specific styles so it can harmonise legacy and newer pages
 * without requiring a frontend asset build.
 */

:root {
    --blu-premium-ink: #0b1728;
    --blu-premium-ink-2: #1b2d46;
    --blu-premium-muted: #6d7c92;
    --blu-premium-line: rgba(15, 36, 66, .10);
    --blu-premium-line-strong: rgba(15, 36, 66, .16);
    --blu-premium-blue: #155eef;
    --blu-premium-blue-2: #0f4ed1;
    --blu-premium-blue-soft: #edf4ff;
    --blu-premium-navy: #07111f;
    --blu-premium-panel: rgba(255, 255, 255, .92);
    --blu-premium-canvas: #f5f7fb;
    --blu-premium-shadow-sm: 0 10px 30px rgba(18, 44, 82, .06);
    --blu-premium-shadow-md: 0 20px 55px rgba(18, 44, 82, .09);
    --blu-premium-shadow-lg: 0 32px 90px rgba(13, 34, 68, .14);
    --blu-premium-radius-sm: 14px;
    --blu-premium-radius: 20px;
    --blu-premium-radius-lg: 30px;
}

html {
    scroll-behavior: smooth;
    background: var(--blu-premium-canvas);
}

body.body-bg {
    background:
        radial-gradient(circle at 12% 0%, rgba(21, 94, 239, .055), transparent 26rem),
        linear-gradient(180deg, #fbfcfe 0%, #f5f7fb 100%);
    color: var(--blu-premium-ink);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection {
    background: rgba(21, 94, 239, .18);
    color: #07111f;
}

/* ---------- Header / navigation ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1180;
    border-bottom: 1px solid rgba(15, 36, 66, .07);
    background: rgba(255, 255, 255, .88);
    box-shadow: 0 10px 35px rgba(11, 29, 56, .045);
    backdrop-filter: blur(22px) saturate(165%);
    -webkit-backdrop-filter: blur(22px) saturate(165%);
}

.site-topbar {
    min-height: 34px;
    display: flex;
    align-items: center;
    background: linear-gradient(90deg, #07111f 0%, #0c2346 62%, #12366d 100%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.site-topbar .container-fluid,
.site-navbar .container-fluid {
    max-width: 1440px;
    margin-inline: auto;
    padding-inline: clamp(16px, 3vw, 42px);
}

.site-topbar a,
.site-topbar span {
    color: rgba(239, 246, 255, .82) !important;
    font-size: 12px;
    font-weight: 650;
    letter-spacing: .01em;
}

.site-navbar {
    min-height: 78px;
    padding-block: 0 !important;
    background: transparent !important;
}

.site-navbar .navbar-inner,
.site-navbar .landing-header {
    min-height: 78px;
}

.site-header .navbar-brand,
.site-header .navbar-brand img,
.site-header .header-logo,
.site-header .logo-main {
    transition: transform .2s ease, opacity .2s ease;
}

.site-header .navbar-brand:hover,
.site-header .header-logo:hover {
    transform: translateY(-1px);
}

#navbar_main .site-nav-menu {
    align-items: center;
    gap: 2px;
}

#navbar_main .site-nav-menu > .nav-item > .nav-link {
    position: relative;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 13px !important;
    border-radius: 12px;
    color: #53637a;
    font-size: 13px;
    font-weight: 750;
    letter-spacing: -.01em;
    transition: color .2s ease, background .2s ease, transform .2s ease;
}

#navbar_main .site-nav-menu > .nav-item > .nav-link:hover {
    color: var(--blu-premium-ink);
    background: rgba(15, 36, 66, .045);
}

#navbar_main .site-nav-menu > .nav-item > .nav-link.active {
    color: var(--blu-premium-blue);
    background: var(--blu-premium-blue-soft);
}

.site-nav-primary,
.site-nav-secondary {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px !important;
    padding-inline: 18px !important;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: -.01em;
}

.site-nav-primary {
    border-color: var(--blu-premium-blue) !important;
    background: linear-gradient(135deg, #1b68ff, #155eef 58%, #104ecb) !important;
    box-shadow: 0 12px 28px rgba(21, 94, 239, .22);
}

.site-nav-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 34px rgba(21, 94, 239, .28);
}

.site-nav-secondary {
    border-color: rgba(20, 55, 105, .13) !important;
    color: #304661 !important;
    background: rgba(255, 255, 255, .76) !important;
}

.site-nav-secondary:hover {
    border-color: rgba(21, 94, 239, .22) !important;
    color: var(--blu-premium-blue) !important;
    background: var(--blu-premium-blue-soft) !important;
}

/* ---------- Universal public controls ---------- */
.main-content .btn {
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}

.main-content .btn-primary {
    border-color: var(--blu-premium-blue) !important;
    background: linear-gradient(135deg, #1c69ff 0%, #155eef 58%, #104dc8 100%) !important;
    box-shadow: 0 12px 28px rgba(21, 94, 239, .18);
}

.main-content .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 34px rgba(21, 94, 239, .24);
}

.main-content .btn-outline-primary {
    border-color: rgba(21, 94, 239, .24) !important;
    color: var(--blu-premium-blue) !important;
    background: rgba(255, 255, 255, .72);
}

.main-content .btn-outline-primary:hover {
    transform: translateY(-1px);
    border-color: rgba(21, 94, 239, .34) !important;
    color: #0e4bc3 !important;
    background: #edf4ff !important;
}

.main-content .form-control,
.main-content .form-select,
.main-content .input-group-text,
.main-content textarea {
    border-color: var(--blu-premium-line);
    border-radius: 14px;
}

.main-content .form-control,
.main-content .form-select,
.main-content textarea {
    min-height: 48px;
    background-color: rgba(255, 255, 255, .88);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .72);
}

.main-content textarea {
    min-height: 130px;
}

.main-content .form-control:focus,
.main-content .form-select:focus,
.main-content textarea:focus {
    border-color: rgba(21, 94, 239, .36);
    box-shadow: 0 0 0 .25rem rgba(21, 94, 239, .075);
}

/* ---------- Shared premium surfaces ---------- */
.blu-page {
    background:
        radial-gradient(circle at 88% 2%, rgba(21, 94, 239, .085), transparent 25rem),
        radial-gradient(circle at 6% 34%, rgba(82, 205, 174, .045), transparent 23rem),
        linear-gradient(180deg, #f8faff 0%, #f4f7fb 100%) !important;
}

.blu-page-hero {
    border-radius: 34px !important;
    box-shadow: var(--blu-premium-shadow-lg) !important;
}

.blu-page-shell {
    border-color: rgba(15, 36, 66, .08) !important;
    border-radius: 28px !important;
    background: rgba(255, 255, 255, .90) !important;
    box-shadow: var(--blu-premium-shadow-md) !important;
}

.blu-page .category-card,
.blu-page .service-box-card,
.blu-page .iq-blog,
.main-content .card {
    border-color: var(--blu-premium-line) !important;
    box-shadow: var(--blu-premium-shadow-sm);
}

.blu-page .category-card:hover,
.blu-page .service-box-card:hover,
.blu-page .iq-blog:hover,
.main-content .card:hover {
    border-color: rgba(21, 94, 239, .17) !important;
    box-shadow: var(--blu-premium-shadow-md);
}

/* ---------- Homepage polish ---------- */
.home-startup-page,
.blu-home-journal,
.blu-home-faq {
    isolation: isolate;
}

.blu-home-journal__topics span {
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.blu-home-journal__topics span:hover {
    transform: translateY(-1px);
    border-color: rgba(21, 94, 239, .18);
    box-shadow: 0 10px 24px rgba(21, 94, 239, .07);
}

/* ---------- Journal article: compact rail + reliable share UI ---------- */
.journal-article {
    background:
        radial-gradient(circle at 12% 0%, rgba(21, 94, 239, .055), transparent 27rem),
        linear-gradient(180deg, #f8fafe 0%, #f5f7fb 100%) !important;
}

.journal-hero {
    padding-top: 42px !important;
}

.journal-hero-card {
    border-radius: 32px !important;
    box-shadow: var(--blu-premium-shadow-lg) !important;
}

.journal-layout {
    grid-template-columns: minmax(190px, 220px) minmax(0, 790px) !important;
    gap: clamp(32px, 5vw, 58px) !important;
}

.journal-rail {
    top: 126px !important;
}

.journal-rail-card {
    padding: 18px !important;
    border: 1px solid rgba(20, 48, 87, .09) !important;
    border-radius: 18px !important;
    background: rgba(255, 255, 255, .94) !important;
    box-shadow: 0 14px 38px rgba(21, 53, 97, .055) !important;
}

.journal-rail-label {
    margin-bottom: 10px !important;
    color: #7d8ca3 !important;
    font-size: 10px !important;
    letter-spacing: .12em !important;
}

.journal-toc {
    gap: 4px !important;
}

.journal-toc a {
    position: relative;
    padding: 9px 10px !important;
    border-radius: 10px;
    color: #536681 !important;
    font-size: 12.5px !important;
    line-height: 1.35 !important;
    transition: background .18s ease, color .18s ease, transform .18s ease;
}

.journal-toc a:hover,
.journal-toc a.active {
    color: var(--blu-premium-blue) !important;
    background: #eef4ff;
    transform: translateX(2px);
}

.journal-toc-empty {
    padding: 8px 10px;
    border-radius: 10px;
    background: #f6f8fb;
}

.journal-share {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 8px !important;
    margin-top: 14px !important;
    padding-top: 14px !important;
    border-top: 1px solid rgba(20, 48, 87, .09) !important;
}

.journal-share a {
    width: 100% !important;
    min-width: 0 !important;
    min-height: 40px !important;
    height: 40px;
    border: 1px solid rgba(20, 48, 87, .10) !important;
    border-radius: 11px !important;
    color: #50627d !important;
    background: #fff !important;
    box-shadow: 0 6px 14px rgba(20, 48, 87, .035);
    transition: transform .18s ease, border-color .18s ease, color .18s ease, background .18s ease, box-shadow .18s ease !important;
}

.journal-share a:hover {
    transform: translateY(-2px) !important;
    border-color: rgba(21, 94, 239, .20) !important;
    color: var(--blu-premium-blue) !important;
    background: #f5f8ff !important;
    box-shadow: 0 10px 22px rgba(21, 94, 239, .08);
}

/* Older Font Awesome bundles do not include the X/Twitter glyph. */
.journal-share .fa-x-twitter {
    display: grid;
    place-items: center;
    width: 18px;
    height: 18px;
    font-family: Inter, Arial, sans-serif !important;
    font-style: normal;
    font-size: 0;
    font-weight: 850;
}

.journal-share .fa-x-twitter::before {
    content: 'X' !important;
    display: block;
    font-family: Inter, Arial, sans-serif !important;
    font-size: 14px;
    font-weight: 850;
    line-height: 1;
}

.journal-quick-answer,
.journal-body,
.journal-related-card {
    border-color: rgba(20, 48, 87, .09) !important;
    box-shadow: 0 16px 46px rgba(20, 48, 87, .06) !important;
}

.journal-body {
    border-radius: 24px !important;
}

.journal-body .description img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
}

.journal-body .description table {
    width: 100%;
    margin: 1.8rem 0;
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    border: 1px solid var(--blu-premium-line);
    border-radius: 14px;
}

.journal-body .description th,
.journal-body .description td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--blu-premium-line);
    text-align: left;
}

.journal-body .description th {
    background: #f6f8fc;
    color: #253a56;
    font-size: 13px;
    font-weight: 800;
}

.journal-body .description tr:last-child td {
    border-bottom: 0;
}

.journal-service-cta {
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, .08);
    background:
        radial-gradient(circle at 90% 10%, rgba(73, 133, 255, .25), transparent 28%),
        linear-gradient(135deg, #07111f 0%, #0b2448 100%) !important;
    box-shadow: 0 20px 54px rgba(7, 17, 31, .16);
}

/* ---------- Footer ---------- */
.footer {
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, .06);
    background:
        radial-gradient(circle at 86% 10%, rgba(45, 106, 229, .20), transparent 24rem),
        linear-gradient(145deg, #06101d 0%, #08182c 55%, #0a2142 100%) !important;
}

.footer::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, #000, transparent 72%);
}

.footer > * {
    position: relative;
    z-index: 1;
}

.footer .footer-top {
    padding-top: clamp(58px, 7vw, 90px);
}

.footer .footer-inner-box {
    border-color: rgba(255, 255, 255, .08) !important;
}

.footer h4,
.footer h5,
.footer h6 {
    color: #fff !important;
}

.footer p,
.footer .readmore-text {
    color: rgba(218, 229, 244, .70) !important;
}

.footer a {
    color: rgba(228, 237, 249, .76) !important;
    transition: color .18s ease, opacity .18s ease;
}

.footer a:hover {
    color: #fff !important;
}

.footer .iq-social-list-text a {
    font-weight: 750;
    letter-spacing: -.01em;
}

/* ---------- Dark mode ---------- */
[data-bs-theme="dark"] body.body-bg {
    background:
        radial-gradient(circle at 10% 0%, rgba(45, 106, 229, .11), transparent 25rem),
        #07101c !important;
}

[data-bs-theme="dark"] .site-header {
    border-bottom-color: rgba(255, 255, 255, .07);
    background: rgba(7, 16, 28, .88);
    box-shadow: 0 12px 36px rgba(0, 0, 0, .20);
}

[data-bs-theme="dark"] #navbar_main .site-nav-menu > .nav-item > .nav-link {
    color: #b8c5d8 !important;
}

[data-bs-theme="dark"] #navbar_main .site-nav-menu > .nav-item > .nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, .06) !important;
}

[data-bs-theme="dark"] #navbar_main .site-nav-menu > .nav-item > .nav-link.active {
    color: #9fc2ff !important;
    background: rgba(21, 94, 239, .16) !important;
}

[data-bs-theme="dark"] .site-nav-secondary {
    border-color: rgba(255, 255, 255, .11) !important;
    color: #d7e3f3 !important;
    background: rgba(255, 255, 255, .045) !important;
}

[data-bs-theme="dark"] .journal-article {
    background: #08111e !important;
}

[data-bs-theme="dark"] .journal-rail-card {
    border-color: rgba(255,255,255,.09) !important;
    background: rgba(13, 25, 41, .96) !important;
    box-shadow: 0 16px 42px rgba(0,0,0,.18) !important;
}

[data-bs-theme="dark"] .journal-toc a {
    color: #aab9cd !important;
}

[data-bs-theme="dark"] .journal-toc a:hover,
[data-bs-theme="dark"] .journal-toc a.active {
    color: #9fc2ff !important;
    background: rgba(21, 94, 239, .14);
}

[data-bs-theme="dark"] .journal-share a {
    border-color: rgba(255,255,255,.09) !important;
    color: #c3d0e2 !important;
    background: #101d30 !important;
}

[data-bs-theme="dark"] .journal-share a:hover {
    color: #9fc2ff !important;
    background: #142746 !important;
}

[data-bs-theme="dark"] .journal-body .description table {
    border-color: rgba(255,255,255,.10);
}

[data-bs-theme="dark"] .journal-body .description th {
    background: #101d30;
    color: #dbe8f8;
}

[data-bs-theme="dark"] .journal-body .description th,
[data-bs-theme="dark"] .journal-body .description td {
    border-bottom-color: rgba(255,255,255,.08);
}

/* ---------- Responsive ---------- */
@media (max-width: 1199.98px) {
    .site-header {
        position: sticky;
    }

    .site-navbar,
    .site-navbar .navbar-inner,
    .site-navbar .landing-header {
        min-height: 70px;
    }

    #navbar_main .site-nav-menu > .nav-item > .nav-link {
        min-height: 46px;
        justify-content: flex-start;
    }
}

@media (max-width: 991.98px) {
    .site-topbar {
        display: none !important;
    }

    .journal-layout {
        grid-template-columns: 1fr !important;
    }

    .journal-rail {
        position: static !important;
        order: 2;
    }

    .journal-rail-card {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 16px;
        align-items: start;
    }

    .journal-share {
        width: 148px;
        margin-top: 0 !important;
        padding-top: 0 !important;
        border-top: 0 !important;
    }
}

@media (max-width: 767.98px) {
    .site-navbar .container-fluid {
        padding-inline: 14px;
    }

    .blu-page-hero,
    .journal-hero-card {
        border-radius: 24px !important;
    }

    .journal-hero {
        padding-top: 22px !important;
    }

    .journal-rail-card {
        grid-template-columns: 1fr;
        padding: 16px !important;
    }

    .journal-share {
        width: 100%;
        margin-top: 12px !important;
        padding-top: 12px !important;
        border-top: 1px solid rgba(20,48,87,.09) !important;
    }

    .footer .footer-top {
        padding-top: 48px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: .001ms !important;
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
    }
}