:root {
    --bt-red: #d71920;
    --bt-red-dark: #b90f16;
    --bt-ink: #10233b;
    --bt-ink-soft: #34465a;
    --bt-muted: #6f7d8d;
    --bt-line: #e5e9ee;
    --bt-surface: #ffffff;
    --bt-bg: #f3f5f7;
    --bt-soft: #eef1f4;
    --bt-dark: #111b29;
    --bt-radius: 18px;
    --bt-shadow: 0 10px 32px rgba(15, 34, 57, .06);
    --bt-display-font: "Manrope", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --bt-body-font: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--bt-bg);
}

body.bt-body,
body.bt-auth-body,
body.bt-public-body {
    margin: 0;
    font-family: var(--bt-body-font);
    color: var(--bt-ink);
    background: var(--bt-bg);
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.bt-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 286px minmax(0, 1fr);
}

.bt-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--bt-line);
    background: #fff;
    z-index: 40;
}

.bt-brand {
    min-height: 112px;
    padding: 25px 26px;
    display: flex;
    align-items: center;
    gap: 13px;
}

.bt-brand-mark {
    width: 48px;
    height: 48px;
    object-fit: contain;
    flex: 0 0 auto;
}

.bt-brand-copy {
    min-width: 0;
}

.bt-brand-name {
    font-size: 21px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -.04em;
    color: #111827;
}

.bt-brand-name strong {
    color: var(--bt-red);
}

.bt-brand-subtitle {
    margin-top: 6px;
    white-space: nowrap;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: #677587;
}

.bt-nav {
    padding: 12px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.bt-nav-item {
    min-height: 50px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-radius: 10px;
    color: #31465e;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: background .16s ease, color .16s ease;
}

.bt-nav-item:hover {
    background: #f4f6f8;
}

.bt-nav-item.is-active {
    background: #edf0f3;
    color: var(--bt-ink);
    font-weight: 650;
}

.bt-nav-item.is-active::before {
    content: "";
    width: 3px;
    height: 24px;
    border-radius: 20px;
    background: var(--bt-red);
    margin-left: -16px;
    margin-right: -1px;
}

.bt-nav-item svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex: 0 0 auto;
}

.bt-sidebar-footer {
    margin-top: auto;
    padding: 24px 28px 30px;
}

.bt-sidebar-rule {
    width: 28px;
    height: 3px;
    border-radius: 4px;
    background: var(--bt-red);
    margin-bottom: 11px;
}

.bt-sidebar-tagline {
    font-size: 11px;
    font-weight: 650;
    letter-spacing: .04em;
    color: #7a8795;
}

.bt-content {
    min-width: 0;
}

.bt-topbar {
    height: 70px;
    display: flex;
    align-items: center;
    padding: 0 34px;
    border-bottom: 1px solid var(--bt-line);
    background: rgba(255,255,255,.96);
    position: sticky;
    top: 0;
    z-index: 30;
}

.bt-menu-button {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 10px;
    color: var(--bt-ink);
    background: #f5f6f8;
    cursor: pointer;
}

.bt-menu-button svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
}

.bt-topbar-title {
    font-size: 15px;
    font-weight: 650;
    color: var(--bt-ink);
}

.bt-topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 24px;
}

.bt-centre-name {
    max-width: 320px;
    color: #8190a0;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bt-profile {
    position: relative;
}

.bt-profile summary {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.bt-profile summary::-webkit-details-marker {
    display: none;
}

.bt-profile summary > svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: #647386;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.bt-avatar,
.bt-person-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: #fff;
    background: var(--bt-ink);
    font-weight: 700;
}

.bt-avatar {
    width: 36px;
    height: 36px;
    font-size: 13px;
}

.bt-profile-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.bt-profile-copy strong {
    max-width: 170px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 650;
}

.bt-profile-copy small {
    margin-top: 3px;
    color: #8a96a4;
    font-size: 10px;
}

.bt-profile-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 14px);
    width: 230px;
    overflow: hidden;
    border: 1px solid var(--bt-line);
    border-radius: 13px;
    background: #fff;
    box-shadow: 0 18px 42px rgba(15, 34, 57, .14);
}

.bt-profile-menu-head {
    padding: 16px;
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--bt-line);
}

.bt-profile-menu-head strong {
    font-size: 13px;
}

.bt-profile-menu-head span {
    margin-top: 3px;
    font-size: 11px;
    color: #8090a2;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bt-profile-menu button {
    width: 100%;
    padding: 13px 16px;
    border: 0;
    text-align: left;
    color: #405269;
    background: #fff;
    cursor: pointer;
}

.bt-profile-menu button:hover {
    background: #f6f7f9;
}

.bt-main {
    padding: 42px 34px 54px;
}

.bt-alert {
    max-width: 1180px;
    margin: 0 auto 22px;
    padding: 12px 15px;
    border-radius: 10px;
    font-size: 13px;
    border: 1px solid;
}

.bt-alert-success {
    color: #17613e;
    border-color: #bce3cf;
    background: #eefaf4;
}

.bt-alert-error {
    color: #8b1f24;
    border-color: #f0c3c6;
    background: #fff3f3;
}

.bt-page-head,
.bt-metric-grid,
.bt-dashboard-banner,
.bt-dashboard-grid {
    width: 100%;
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
}

.bt-page-head {
    margin-bottom: 26px;
}

.bt-page-head h1 {
    margin: 0;
    font-size: 28px;
    line-height: 1.2;
    font-weight: 750;
    letter-spacing: -.035em;
    color: var(--bt-ink);
}

.bt-page-head p {
    margin: 7px 0 0;
    color: #84909d;
    font-size: 13px;
}

.bt-metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.bt-metric-card {
    min-height: 194px;
    padding: 26px 28px;
    border: 1px solid #e8ebef;
    border-radius: var(--bt-radius);
    background: var(--bt-surface);
    box-shadow: 0 2px 0 rgba(15,34,57,.015);
}

.bt-metric-card-dark {
    color: #fff;
    border-color: var(--bt-ink);
    background: var(--bt-ink);
}

.bt-metric-label {
    min-height: 20px;
    font-size: 13px;
    font-weight: 650;
    color: #273b52;
}

.bt-metric-label-ghost {
    color: #798899;
}

.bt-metric-card-dark .bt-metric-label {
    color: #fff;
}

.bt-metric-value {
    margin-top: 30px;
    font-size: 48px;
    line-height: 1;
    font-weight: 760;
    letter-spacing: -.05em;
    color: var(--bt-ink);
}

.bt-metric-card-dark .bt-metric-value {
    color: #fff;
}

.bt-metric-meta {
    margin-top: 12px;
    font-size: 12px;
    color: #7f8c9a;
}

.bt-metric-card-dark .bt-metric-meta {
    color: #c6d1dc;
}

.bt-metric-split {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: stretch;
}

.bt-metric-divider {
    width: 1px;
    background: #e8ebef;
}

.bt-dashboard-banner {
    position: relative;
    margin-top: 24px;
    overflow: hidden;
    border: 1px solid #eadfd5;
    border-radius: var(--bt-radius);
    background:
        linear-gradient(90deg, rgba(255,255,255,.96), rgba(255,248,242,.94)),
        repeating-linear-gradient(135deg, rgba(215,25,32,.035) 0 38px, transparent 38px 76px);
}

.bt-dashboard-banner::after {
    content: "";
    position: absolute;
    right: -90px;
    bottom: -140px;
    width: 330px;
    height: 330px;
    border-radius: 50%;
    border: 70px solid rgba(215, 25, 32, .07);
}

.bt-dashboard-banner-content {
    position: relative;
    z-index: 1;
    min-height: 190px;
    padding: 34px 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.bt-banner-kicker {
    display: inline-block;
    color: var(--bt-red);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .18em;
}

.bt-dashboard-banner h2 {
    margin: 9px 0 0;
    font-size: 30px;
    line-height: 1.15;
    font-weight: 760;
    letter-spacing: -.04em;
}

.bt-banner-status {
    margin-top: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #778697;
    font-size: 12px;
}

.bt-banner-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #b6c0cb;
}

.bt-quick-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.bt-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border: 1px solid #d8dde3;
    border-radius: 9px;
    color: #2d4259;
    background: #fff;
    text-decoration: none;
    font-size: 12px;
    font-weight: 650;
    transition: .16s ease;
}

.bt-action:hover {
    border-color: #b8c1cb;
    transform: translateY(-1px);
}

.bt-action-primary {
    color: #fff;
    border-color: var(--bt-red);
    background: var(--bt-red);
}

.bt-action-primary:hover {
    border-color: var(--bt-red-dark);
    background: var(--bt-red-dark);
}

.bt-dashboard-grid {
    margin-top: 24px;
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(340px, .82fr);
    gap: 22px;
}

.bt-panel {
    overflow: hidden;
    border: 1px solid #e5e9ee;
    border-radius: var(--bt-radius);
    background: #fff;
}

.bt-panel-head {
    min-height: 76px;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid #edf0f3;
}

.bt-panel-head h2 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--bt-ink);
}

.bt-panel-head p {
    margin: 4px 0 0;
    font-size: 11px;
    color: #8b97a4;
}

.bt-panel-head a {
    color: var(--bt-red);
    text-decoration: none;
    font-size: 11px;
    font-weight: 650;
}

.bt-table-wrap {
    overflow-x: auto;
}

.bt-table {
    width: 100%;
    border-collapse: collapse;
}

.bt-table th {
    padding: 12px 20px;
    text-align: left;
    background: #fafbfc;
    color: #8894a1;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.bt-table td {
    padding: 15px 20px;
    border-top: 1px solid #f0f2f4;
    color: #46586d;
    font-size: 12px;
}

.bt-person {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #22384f;
    font-weight: 600;
}

.bt-person-avatar {
    width: 30px;
    height: 30px;
    font-size: 11px;
    background: #dfe4e9;
    color: #31465d;
}

.bt-badge {
    display: inline-flex;
    padding: 5px 8px;
    border-radius: 999px;
    background: #f0f2f4;
    color: #526477;
    font-size: 10px;
    font-weight: 650;
}

.bt-empty {
    padding: 34px 20px !important;
    text-align: center;
    color: #929daa !important;
    font-size: 12px !important;
}

.bt-transaction-list {
    padding: 4px 0;
}

.bt-transaction {
    min-height: 69px;
    padding: 12px 20px;
    display: grid;
    grid-template-columns: 38px minmax(0,1fr) auto;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #f0f2f4;
}

.bt-transaction:last-child {
    border-bottom: 0;
}

.bt-transaction-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    color: var(--bt-red);
    background: #fff1f2;
}

.bt-transaction-icon svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
}

.bt-transaction-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.bt-transaction-copy strong {
    font-size: 12px;
    font-weight: 650;
    color: #2e435a;
}

.bt-transaction-copy span {
    margin-top: 3px;
    font-size: 10px;
    color: #919ca8;
}

.bt-transaction-amount {
    white-space: nowrap;
    color: #2b4057;
    font-size: 12px;
    font-weight: 700;
}

.bt-sidebar-overlay {
    display: none;
}

/* Auth */

.bt-auth-body {
    min-height: 100vh;
    background: #fff;
}

.bt-auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(480px, .95fr) minmax(560px, 1.05fr);
}

.bt-auth-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px;
    background: #fff;
}

.bt-auth-form-wrap {
    width: min(100%, 470px);
}

.bt-auth-brand {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-bottom: 64px;
}

.bt-auth-brand img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.bt-auth-wordmark {
    font-size: 23px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -.045em;
    color: #111827;
}

.bt-auth-wordmark strong {
    color: var(--bt-red);
}

.bt-auth-subtitle {
    margin-top: 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #697889;
}

.bt-auth-heading {
    text-align: center;
    margin-bottom: 35px;
}

.bt-auth-heading h1 {
    margin: 0;
    font-size: 29px;
    font-weight: 720;
    letter-spacing: -.035em;
    color: var(--bt-ink);
}

.bt-auth-heading p {
    margin: 10px 0 0;
    color: #778697;
    font-size: 14px;
}

.bt-auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.bt-field label {
    display: block;
    margin-bottom: 8px;
    color: #40546b;
    font-size: 12px;
    font-weight: 650;
}

.bt-field input {
    width: 100%;
    height: 54px;
    padding: 0 16px;
    border: 1px solid #dfe4e9;
    border-radius: 9px;
    outline: none;
    color: #20364d;
    background: #f6f8fa;
    font-size: 13px;
    transition: border .16s ease, box-shadow .16s ease, background .16s ease;
}

.bt-field input:focus {
    border-color: rgba(215,25,32,.55);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(215,25,32,.08);
}

.bt-password-field {
    position: relative;
}

.bt-password-field input {
    padding-right: 52px;
}

.bt-password-field button {
    position: absolute;
    right: 8px;
    top: 7px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 8px;
    color: #798899;
    background: transparent;
    cursor: pointer;
}

.bt-password-field button svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
}

.bt-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #667789;
    font-size: 12px;
    cursor: pointer;
}

.bt-checkbox input {
    width: 15px;
    height: 15px;
    accent-color: var(--bt-red);
}

.bt-auth-submit {
    height: 54px;
    margin-top: 6px;
    border: 0;
    border-radius: 9px;
    color: #fff;
    background: var(--bt-red);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background .16s ease, transform .16s ease;
}

.bt-auth-submit:hover {
    background: var(--bt-red-dark);
}

.bt-auth-submit:active {
    transform: translateY(1px);
}

.bt-auth-footer {
    margin-top: 40px;
    text-align: center;
    color: #9aa3ad;
    font-size: 10px;
    font-weight: 650;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.bt-auth-visual {
    position: relative;
    margin: 14px 14px 14px 0;
    overflow: hidden;
    border-radius: 24px;
    background:
        linear-gradient(180deg, rgba(11,24,39,.04), rgba(11,24,39,.78)),
        url("centre.jpg") center / cover no-repeat;
}

.bt-auth-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(120deg, transparent 42%, rgba(215,25,32,.28) 42.2%, rgba(215,25,32,.12) 52%, transparent 52.2%);
}

.bt-auth-visual-content {
    position: absolute;
    left: 58px;
    right: 58px;
    bottom: 58px;
    z-index: 1;
    max-width: 560px;
    color: #fff;
}

.bt-auth-kicker {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .18em;
    color: #ffb1b5;
}

.bt-auth-visual h2 {
    margin: 10px 0 0;
    font-size: clamp(38px, 4.2vw, 64px);
    line-height: 1.02;
    font-weight: 780;
    letter-spacing: -.055em;
}

.bt-auth-visual p {
    max-width: 510px;
    margin: 20px 0 0;
    color: rgba(255,255,255,.85);
    font-size: 17px;
    line-height: 1.55;
}

.bt-auth-line {
    width: 54px;
    height: 4px;
    margin-top: 28px;
    border-radius: 20px;
    background: var(--bt-red);
}

@media (max-width: 1180px) {
    .bt-dashboard-grid {
        grid-template-columns: 1fr;
    }

    .bt-centre-name {
        display: none;
    }

    .bt-auth-shell {
        grid-template-columns: minmax(420px, .85fr) minmax(480px, 1.15fr);
    }
}

@media (max-width: 1023px) {
    .bt-shell {
        grid-template-columns: 1fr;
    }

    .bt-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: 286px;
        transform: translateX(-100%);
        transition: transform .2s ease;
        box-shadow: 20px 0 50px rgba(12, 27, 44, .16);
    }

    .bt-nav-open .bt-sidebar {
        transform: translateX(0);
    }

    .bt-sidebar-overlay {
        position: fixed;
        inset: 0;
        z-index: 35;
        background: rgba(13, 25, 39, .4);
    }

    .bt-nav-open .bt-sidebar-overlay {
        display: block;
    }

    .bt-menu-button {
        display: inline-flex;
        margin-right: 14px;
    }

    .bt-topbar {
        padding: 0 20px;
    }

    .bt-main {
        padding: 30px 20px 42px;
    }

    .bt-metric-grid {
        grid-template-columns: 1fr 1fr;
    }

    .bt-metric-card-dark {
        grid-column: 1 / -1;
    }

    .bt-auth-shell {
        grid-template-columns: 1fr;
    }

    .bt-auth-visual {
        display: none;
    }

    .bt-auth-form-panel {
        min-height: 100vh;
    }
}

@media (max-width: 680px) {
    .bt-profile-copy {
        display: none;
    }

    .bt-profile summary > svg {
        display: none;
    }

    .bt-main {
        padding: 25px 16px 36px;
    }

    .bt-page-head h1 {
        font-size: 24px;
    }

    .bt-metric-grid {
        grid-template-columns: 1fr;
    }

    .bt-metric-card-dark {
        grid-column: auto;
    }

    .bt-metric-card {
        min-height: 168px;
    }

    .bt-metric-value {
        font-size: 40px;
    }

    .bt-dashboard-banner-content {
        padding: 28px 24px;
        align-items: flex-start;
        flex-direction: column;
    }

    .bt-dashboard-banner h2 {
        font-size: 25px;
    }

    .bt-quick-actions {
        justify-content: flex-start;
    }

    .bt-dashboard-grid {
        grid-template-columns: 1fr;
    }

    .bt-panel {
        border-radius: 14px;
    }

    .bt-table th,
    .bt-table td {
        padding-left: 14px;
        padding-right: 14px;
    }

    .bt-auth-form-panel {
        padding: 32px 22px;
    }

    .bt-auth-brand {
        margin-bottom: 52px;
    }

    .bt-auth-form-wrap {
        width: 100%;
        max-width: 440px;
    }
}


/* Public */
.bt-public-body,.bt-verify-body{margin:0;font-family:"Manrope",ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--bt-ink);background:#fff}.bt-public-header{height:82px;max-width:1240px;margin:0 auto;padding:0 28px;display:flex;align-items:center;gap:36px}.bt-public-brand,.bt-verify-brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.bt-public-brand img,.bt-verify-brand img{width:44px;height:44px;object-fit:contain}.bt-public-brand strong,.bt-verify-brand strong{display:block;font-size:19px;letter-spacing:-.04em}.bt-public-brand strong span,.bt-verify-brand strong span{color:var(--bt-red)}.bt-public-brand small,.bt-verify-brand small{display:block;margin-top:3px;font-size:9px;letter-spacing:.06em;text-transform:uppercase;color:#718092;font-weight:700}.bt-public-nav{margin-left:auto;display:flex;gap:28px}.bt-public-nav a{font-size:13px;font-weight:600;color:#465a70;text-decoration:none}.bt-public-actions{display:flex;align-items:center}.bt-public-login{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 17px;border-radius:9px;background:var(--bt-ink);color:#fff;text-decoration:none;font-size:12px;font-weight:700}.bt-public-hero{max-width:1240px;margin:0 auto;padding:64px 28px 80px;display:grid;grid-template-columns:minmax(0,.92fr) minmax(480px,1.08fr);gap:70px;align-items:center}.bt-public-eyebrow{font-size:11px;font-weight:800;letter-spacing:.17em;color:var(--bt-red)}.bt-public-hero h1{max-width:700px;margin:14px 0 0;font-size:clamp(44px,5vw,72px);line-height:1.02;letter-spacing:-.06em;font-weight:800}.bt-public-hero p{max-width:620px;margin:22px 0 0;font-size:17px;line-height:1.7;color:#66778a}.bt-public-hero-actions{margin-top:30px;display:flex;gap:11px;flex-wrap:wrap}.bt-public-primary,.bt-public-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 19px;border-radius:9px;text-decoration:none;font-size:12px;font-weight:750}.bt-public-primary{background:var(--bt-red);color:#fff}.bt-public-secondary{border:1px solid #dbe1e7;color:#31485f;background:#fff}.bt-public-signal{margin-top:32px;display:flex;align-items:center;gap:9px;color:#7c8996;font-size:11px;font-weight:650}.bt-public-signal span{width:28px;height:3px;border-radius:10px;background:var(--bt-red)}.bt-public-hero-media{position:relative;height:580px;border-radius:28px;overflow:hidden;background:#eee}.bt-public-hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,20,34,0),rgba(8,20,34,.45))}.bt-public-hero-media img{width:100%;height:100%;object-fit:cover}.bt-public-media-card{position:absolute;left:24px;bottom:24px;z-index:2;min-width:210px;padding:17px 18px;border:1px solid rgba(255,255,255,.45);border-radius:13px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px)}.bt-public-media-card strong{display:block;font-size:13px}.bt-public-media-card span{display:block;margin-top:3px;color:#778594;font-size:10px}.bt-public-strip{max-width:1184px;margin:0 auto 96px;padding:0 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#e8ecf0;border:1px solid #e8ecf0;border-radius:16px;overflow:hidden}.bt-public-strip div{padding:26px;background:#fff}.bt-public-strip strong{display:block;font-size:16px}.bt-public-strip span{display:block;margin-top:4px;font-size:10px;color:#84909d}.bt-public-section{max-width:1240px;margin:0 auto;padding:0 28px 100px}.bt-public-section-head{max-width:760px;margin-bottom:34px}.bt-public-section-head>span{font-size:10px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:var(--bt-red)}.bt-public-section-head h2{margin:10px 0 0;font-size:38px;line-height:1.15;letter-spacing:-.045em}.bt-public-programmes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.bt-public-programme-card{min-height:250px;padding:25px;border:1px solid #e3e8ed;border-radius:16px}.bt-public-programme-code{display:inline-flex;padding:5px 8px;border-radius:6px;background:#f1f3f5;color:#5f7082;font-size:9px;font-weight:800;letter-spacing:.06em}.bt-public-programme-card h3{margin:22px 0 0;font-size:18px;line-height:1.35}.bt-public-programme-card p{margin:10px 0 0;color:#728194;font-size:12px;line-height:1.65}.bt-public-levels{margin-top:24px;padding-top:16px;border-top:1px solid #edf0f3;color:#8994a1;font-size:9px}.bt-public-service-section{padding:86px max(28px,calc((100vw - 1184px)/2));background:var(--bt-ink);color:#fff}.bt-public-section-head-light>span{color:#ff9da1}.bt-public-section-head-light h2{color:#fff}.bt-public-service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.bt-public-service-item{padding:20px;border:1px solid rgba(255,255,255,.12);border-radius:12px}.bt-public-service-item strong{display:block;font-size:12px}.bt-public-service-item span{display:block;margin-top:6px;color:#aab6c4;font-size:9px}.bt-public-cta{max-width:1184px;margin:90px auto;padding:50px 56px;border-radius:20px;background:#f7f8fa;display:flex;align-items:center;justify-content:space-between;gap:30px}.bt-public-cta span{font-size:10px;font-weight:800;letter-spacing:.16em;color:var(--bt-red)}.bt-public-cta h2{max-width:700px;margin:10px 0 0;font-size:30px;letter-spacing:-.04em}.bt-public-cta>a{white-space:nowrap;display:inline-flex;padding:14px 18px;border-radius:9px;background:var(--bt-red);color:#fff;text-decoration:none;font-size:11px;font-weight:750}.bt-public-footer{max-width:1184px;margin:0 auto;padding:28px 0 38px;display:flex;justify-content:space-between;border-top:1px solid #edf0f3;color:#8995a1;font-size:9px}
/* Learning */
.bt-course-grid,.bt-assessment-grid{width:100%;max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.bt-course-card,.bt-assessment-card{padding:24px;border:1px solid #e5e9ee;border-radius:16px;background:#fff}.bt-course-top{display:flex;align-items:center;justify-content:space-between;color:#8a96a4;font-size:9px;font-weight:750;letter-spacing:.05em}.bt-course-card h2,.bt-assessment-card h2{margin:24px 0 0;font-size:17px;line-height:1.4}.bt-course-card p,.bt-assessment-card p{margin:7px 0 24px;color:#7e8c9a;font-size:11px}.bt-course-card>a{color:var(--bt-red);font-size:11px;font-weight:750;text-decoration:none}.bt-back-link{display:inline-block;margin-bottom:12px;color:#778798;text-decoration:none;font-size:11px;font-weight:650}.bt-learning-layout{max-width:920px;margin:0 auto}.bt-module-list{display:flex;flex-direction:column;gap:18px}.bt-module-card{border:1px solid #e4e8ed;border-radius:16px;background:#fff;overflow:hidden}.bt-module-head{padding:22px 24px;display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid #edf0f3}.bt-module-head>div>span,.bt-module-head>span{color:#8c98a5;font-size:9px;font-weight:750;text-transform:uppercase;letter-spacing:.05em}.bt-module-head h2{margin:7px 0 0;font-size:16px}.bt-module-description{padding:0 24px;margin:18px 0;color:#748395;font-size:11px}.bt-lesson-list{border-top:1px solid #f0f2f4}.bt-lesson-row{min-height:66px;padding:0 22px;display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:12px;align-items:center;border-bottom:1px solid #f1f3f5;color:inherit;text-decoration:none}.bt-lesson-row:last-child{border-bottom:0}.bt-lesson-state{width:27px;height:27px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#f0f2f4;color:#6e7e8e;font-size:10px;font-weight:750}.bt-lesson-state.is-done{background:#e8f7ef;color:#147447}.bt-lesson-copy{display:flex;flex-direction:column}.bt-lesson-copy strong{font-size:11px}.bt-lesson-copy small{margin-top:3px;color:#909ba7;font-size:9px}.bt-lesson-page{max-width:900px;margin:0 auto}.bt-video-shell{position:relative;padding-top:56.25%;border-radius:16px;overflow:hidden;background:#0f1d2d}.bt-video-shell iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.bt-lesson-content{margin-top:18px;padding:32px;border:1px solid #e4e8ed;border-radius:16px;background:#fff;color:#45596f;font-size:13px;line-height:1.9}.bt-resource-list{margin-top:18px;padding:24px;border:1px solid #e4e8ed;border-radius:16px;background:#fff}.bt-resource-list h2{margin:0 0 12px;font-size:14px}.bt-resource-list a{display:block;padding:9px 0;color:var(--bt-red);font-size:11px;text-decoration:none}.bt-lesson-actions{margin-top:18px;display:flex;justify-content:flex-end}.bt-complete-label{display:inline-flex;padding:11px 14px;border-radius:9px;background:#eaf8f0;color:#147447;font-size:11px;font-weight:750}.bt-assessment-meta{display:flex;gap:12px;margin-bottom:22px;color:#8793a0;font-size:9px}.bt-exam-form{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.bt-question-card{padding:26px;border:1px solid #e4e8ed;border-radius:16px;background:#fff}.bt-question-number{font-size:9px;font-weight:800;color:var(--bt-red);text-transform:uppercase;letter-spacing:.08em}.bt-question-card h2{margin:10px 0 20px;font-size:16px}.bt-option-list{display:flex;flex-direction:column;gap:8px}.bt-option-row{padding:13px 14px;display:flex;align-items:center;gap:10px;border:1px solid #e6eaee;border-radius:10px;color:#465a70;font-size:11px;cursor:pointer}.bt-option-row:has(input:checked){border-color:#e5a8ab;background:#fff7f7}.bt-option-row input{accent-color:var(--bt-red)}.bt-exam-submit{display:flex;justify-content:flex-end}.bt-result-card{max-width:520px;margin:0 auto;padding:42px;border:1px solid #e4e8ed;border-radius:18px;background:#fff;text-align:center}.bt-result-card>span{font-size:11px;font-weight:750}.bt-result-card>strong{display:block;margin:16px 0 8px;font-size:64px;letter-spacing:-.06em}.bt-result-card.is-pass>span{color:#168352}.bt-result-card.is-fail>span{color:#b72329}.bt-result-card p{color:#8895a3;font-size:11px}.bt-result-card .bt-action{margin-top:18px}
/* Verification */
.bt-verify-body{min-height:100vh;background:#f4f6f8}.bt-verify-shell{width:min(100% - 32px,720px);margin:0 auto;padding:54px 0}.bt-verify-brand{margin-bottom:32px}.bt-verify-card{padding:40px;border:1px solid #e2e7eb;border-radius:18px;background:#fff;box-shadow:var(--bt-shadow)}.bt-verify-card h1{margin:12px 0 8px;font-size:28px;letter-spacing:-.04em}.bt-verify-card>p{color:#798898;font-size:12px}.bt-verify-card form{margin-top:24px;display:flex;gap:8px}.bt-verify-card input{flex:1;height:48px;padding:0 14px;border:1px solid #dbe1e7;border-radius:9px;outline:none}.bt-verify-card button{padding:0 18px;border:0;border-radius:9px;background:var(--bt-red);color:#fff;font-size:11px;font-weight:750}.bt-verify-error{margin-top:10px;color:#b72329;font-size:10px}.bt-verification-status{display:inline-flex;padding:6px 9px;border-radius:999px;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.bt-verification-status.is-valid{background:#e9f8f0;color:#137447}.bt-verification-status.is-invalid{background:#fff0f0;color:#b72329}.bt-verify-details{margin:26px 0;display:grid;grid-template-columns:1fr 1fr;gap:16px}.bt-verify-details div{padding:14px;border:1px solid #edf0f3;border-radius:10px}.bt-verify-details dt{font-size:8px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:#8c98a5}.bt-verify-details dd{margin:5px 0 0;font-size:11px;font-weight:650}.bt-verify-qr{width:160px;height:160px;display:block;margin:24px 0}.bt-pagination{max-width:1180px;margin:16px auto}.bt-admin-form{padding:22px;display:grid;gap:14px}.bt-admin-form label{display:grid;gap:7px;color:#56687a;font-size:10px;font-weight:650}.bt-admin-form input,.bt-admin-form select,.bt-admin-form textarea{width:100%;padding:11px 12px;border:1px solid #dfe4e9;border-radius:8px;background:#f8f9fa;outline:none;font-size:11px}.bt-content-list{padding:8px 20px}.bt-content-programme{padding:14px 0;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #edf0f3}.bt-content-programme strong{font-size:11px}.bt-content-programme span{color:#8995a1;font-size:9px}
@media(max-width:900px){.bt-public-nav{display:none}.bt-public-hero{grid-template-columns:1fr;padding-top:40px}.bt-public-hero-media{height:430px}.bt-public-strip{grid-template-columns:1fr 1fr}.bt-public-programmes{grid-template-columns:1fr 1fr}.bt-public-service-grid{grid-template-columns:1fr 1fr}.bt-course-grid,.bt-assessment-grid{grid-template-columns:1fr 1fr}.bt-public-cta{margin-left:20px;margin-right:20px}.bt-public-footer{padding-left:20px;padding-right:20px}}
@media(max-width:600px){.bt-public-header{padding:0 18px}.bt-public-brand small{display:none}.bt-public-hero{padding:34px 18px 54px;gap:34px}.bt-public-hero h1{font-size:42px}.bt-public-hero-media{height:340px;border-radius:18px}.bt-public-strip{margin-bottom:65px;padding:0 18px;grid-template-columns:1fr 1fr}.bt-public-section{padding:0 18px 65px}.bt-public-programmes,.bt-public-service-grid,.bt-course-grid,.bt-assessment-grid{grid-template-columns:1fr}.bt-public-service-section{padding-left:18px;padding-right:18px}.bt-public-cta{padding:32px 24px;align-items:flex-start;flex-direction:column}.bt-public-footer{flex-direction:column;gap:8px}.bt-verify-card{padding:26px 20px}.bt-verify-card form{flex-direction:column}.bt-verify-card button{height:46px}.bt-verify-details{grid-template-columns:1fr}}


/* Typography system */

h1, h2, h3, h4, h5, h6,
.bt-brand-name,
.bt-auth-wordmark,
.bt-public-brand strong,
.bt-public-eyebrow,
.bt-nav-item,
.bt-topbar-title,
.bt-profile-copy strong,
.bt-action,
.bt-public-login,
.bt-public-primary,
.bt-public-secondary,
.bt-auth-submit,
.bt-panel-head h2,
.bt-page-head h1,
.bt-public-section-head span,
.bt-public-programme-code,
.bt-feature-kicker,
.bt-public-cta span {
    font-family: var(--bt-display-font);
}



/* Premium public experience */

.bt-public-body {
    background:
        radial-gradient(circle at top left, rgba(215,25,32,.06), transparent 30%),
        linear-gradient(180deg, #ffffff 0%, #f6f7f9 100%);
    color: #26384d;
}

.bt-public-header {
    width: min(1220px, calc(100% - 32px));
    min-height: 78px;
    margin: 18px auto 0;
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    border: 1px solid rgba(230, 233, 238, .85);
    border-radius: 18px;
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(16px);
    box-shadow: 0 16px 36px rgba(15,34,57,.05);
    position: sticky;
    top: 16px;
    z-index: 50;
}

.bt-public-brand,
.bt-verify-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.bt-public-brand img,
.bt-verify-brand img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.bt-public-brand strong,
.bt-verify-brand strong {
    display: block;
    font-family: var(--bt-display-font);
    color: #162739;
    font-size: 22px;
    line-height: 1;
    letter-spacing: -.05em;
}

.bt-public-brand strong span,
.bt-verify-brand strong span {
    color: var(--bt-red);
}

.bt-public-brand small,
.bt-verify-brand small {
    display: block;
    margin-top: 4px;
    color: #7a8794;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.bt-public-nav {
    display: inline-flex;
    align-items: center;
    gap: 26px;
}

.bt-public-nav a {
    color: #506276;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: color .16s ease;
}

.bt-public-nav a:hover {
    color: #1b3149;
}

.bt-public-actions {
    display: flex;
    align-items: center;
}

.bt-public-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 12px;
    color: #fff;
    background: var(--bt-red);
    text-decoration: none;
    font-family: var(--bt-display-font);
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 14px 26px rgba(215,25,32,.18);
    transition: transform .16s ease, background .16s ease;
}

.bt-public-login:hover {
    background: var(--bt-red-dark);
    transform: translateY(-1px);
}

.bt-public-main {
    overflow: hidden;
}

.bt-premium-hero,
.bt-public-section,
.bt-feature-section,
.bt-public-service-section,
.bt-public-cta,
.bt-public-footer {
    width: min(1220px, calc(100% - 32px));
    margin-left: auto;
    margin-right: auto;
}

.bt-premium-hero {
    padding: 58px 0 28px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(500px, .95fr);
    gap: 44px;
    align-items: center;
}

.bt-premium-hero-copy {
    position: relative;
    z-index: 1;
}

.bt-public-eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    color: var(--bt-red);
    background: rgba(215,25,32,.08);
    font-family: var(--bt-display-font);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .18em;
}

.bt-premium-hero-copy h1 {
    max-width: 680px;
    margin: 18px 0 0;
    color: #12253a;
    font-family: var(--bt-display-font);
    font-size: clamp(42px, 5.5vw, 72px);
    line-height: .98;
    font-weight: 820;
    letter-spacing: -.065em;
}

.bt-premium-hero-copy p {
    max-width: 620px;
    margin: 22px 0 0;
    color: #657485;
    font-size: 18px;
    line-height: 1.7;
}

.bt-public-hero-actions {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.bt-public-primary,
.bt-public-secondary {
    min-height: 52px;
    padding: 0 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px;
    text-decoration: none;
    font-family: var(--bt-display-font);
    font-size: 13px;
    font-weight: 700;
    transition: .16s ease;
}

.bt-public-primary {
    color: #fff;
    background: var(--bt-red);
    box-shadow: 0 14px 26px rgba(215,25,32,.17);
}

.bt-public-primary:hover {
    background: var(--bt-red-dark);
    transform: translateY(-1px);
}

.bt-public-secondary {
    color: #32465c;
    border: 1px solid #d9dfe6;
    background: rgba(255,255,255,.85);
}

.bt-public-secondary:hover {
    background: #fff;
    border-color: #c3ccd5;
}

.bt-public-signal {
    margin-top: 22px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #8391a0;
    font-size: 11px;
    font-weight: 650;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.bt-public-signal span {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--bt-red);
    box-shadow: 0 0 0 10px rgba(215,25,32,.08);
}

.bt-data-rail {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.bt-data-item {
    min-height: 110px;
    padding: 20px 18px;
    border: 1px solid #e8edf2;
    border-radius: 18px;
    background: rgba(255,255,255,.8);
    box-shadow: 0 12px 24px rgba(16,35,59,.04);
}

.bt-data-item strong {
    display: block;
    color: #12253a;
    font-family: var(--bt-display-font);
    font-size: 26px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -.05em;
}

.bt-data-item span {
    display: block;
    margin-top: 10px;
    color: #738293;
    font-size: 12px;
    line-height: 1.5;
}

.bt-premium-hero-visual {
    position: relative;
    min-height: 660px;
}

.bt-hero-visual-frame {
    position: absolute;
    inset: 26px 0 0 36px;
    overflow: hidden;
    border: 1px solid rgba(221, 225, 231, .9);
    border-radius: 32px;
    background: #fff;
    box-shadow: 0 32px 54px rgba(19,35,56,.10);
}

.bt-hero-visual-frame img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.bt-hero-visual-frame-student img {
    object-position: center top;
}

.bt-hero-gradient {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(180deg, rgba(9, 20, 33, .05), rgba(9, 20, 33, .38)),
        linear-gradient(90deg, rgba(255,255,255,.02), rgba(215,25,32,.08));
}

.bt-hero-overlay-card {
    position: absolute;
    z-index: 2;
    min-width: 240px;
    max-width: 290px;
    padding: 16px 18px;
    border-radius: 18px;
    color: #fff;
    background: rgba(17,27,41,.74);
    backdrop-filter: blur(12px);
    box-shadow: 0 22px 36px rgba(10,20,33,.18);
}

.bt-hero-overlay-card span {
    display: block;
    color: rgba(255,255,255,.74);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.bt-hero-overlay-card strong {
    display: block;
    margin-top: 8px;
    font-family: var(--bt-display-font);
    font-size: 16px;
    line-height: 1.35;
    font-weight: 700;
    letter-spacing: -.02em;
}

.bt-hero-overlay-card-top {
    top: 26px;
    right: 24px;
    animation: btFloat 5.5s ease-in-out infinite;
}

.bt-hero-overlay-card-bottom {
    left: 26px;
    bottom: 24px;
    animation: btFloat 6.2s ease-in-out infinite 1s;
}

.bt-orbit-card {
    position: absolute;
    z-index: 3;
    width: 220px;
    padding: 16px 16px 18px;
    border: 1px solid rgba(228, 233, 239, .95);
    border-radius: 20px;
    background: rgba(255,255,255,.9);
    box-shadow: 0 18px 32px rgba(14, 30, 49, .08);
    backdrop-filter: blur(10px);
}

.bt-orbit-card small {
    display: block;
    color: var(--bt-red);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.bt-orbit-card strong {
    display: block;
    margin-top: 8px;
    color: #14273b;
    font-family: var(--bt-display-font);
    font-size: 15px;
    line-height: 1.4;
    font-weight: 700;
    letter-spacing: -.02em;
}

.bt-orbit-card-a {
    top: 0;
    left: 0;
    animation: btDrift 6.5s ease-in-out infinite;
}

.bt-orbit-card-b {
    right: 0;
    bottom: 34px;
    animation: btDrift 7s ease-in-out infinite 1.2s;
}

.bt-marquee-band {
    width: 100%;
    padding: 18px 0;
    overflow: hidden;
}

.bt-marquee-track {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
    animation: btMarquee 32s linear infinite;
    will-change: transform;
}

.bt-marquee-track span {
    min-height: 38px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    border: 1px solid #e4e8ee;
    border-radius: 999px;
    background: #fff;
    color: #5f6f80;
    font-size: 12px;
    font-weight: 650;
    box-shadow: 0 8px 18px rgba(17, 34, 53, .03);
}

.bt-public-section,
.bt-feature-section,
.bt-public-service-section {
    padding: 68px 0 10px;
}

.bt-public-section-head {
    max-width: 770px;
    margin-bottom: 28px;
}

.bt-public-section-head span {
    display: inline-block;
    color: var(--bt-red);
    font-family: var(--bt-display-font);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.bt-public-section-head h2 {
    margin: 12px 0 0;
    color: #12253a;
    font-family: var(--bt-display-font);
    font-size: clamp(29px, 3vw, 46px);
    line-height: 1.06;
    font-weight: 790;
    letter-spacing: -.055em;
}

.bt-public-section-head p {
    margin: 14px 0 0;
    color: #728092;
    font-size: 15px;
    line-height: 1.8;
}

.bt-public-programmes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.bt-public-programme-card {
    min-height: 280px;
    padding: 24px 22px;
    border: 1px solid #e7ebef;
    border-radius: 24px;
    background: rgba(255,255,255,.88);
    box-shadow: 0 18px 36px rgba(13, 28, 47, .04);
    transition: transform .16s ease, box-shadow .16s ease;
}

.bt-public-programme-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 40px rgba(13, 28, 47, .08);
}

.bt-public-programme-code {
    display: inline-flex;
    min-height: 28px;
    padding: 0 10px;
    align-items: center;
    border-radius: 999px;
    color: var(--bt-red);
    background: rgba(215,25,32,.08);
    font-family: var(--bt-display-font);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.bt-public-programme-card h3 {
    margin: 18px 0 0;
    color: #182c42;
    font-family: var(--bt-display-font);
    font-size: 20px;
    line-height: 1.28;
    font-weight: 760;
    letter-spacing: -.035em;
}

.bt-public-programme-card p {
    margin: 14px 0 0;
    color: #68798a;
    font-size: 14px;
    line-height: 1.75;
}

.bt-public-levels {
    margin-top: 18px;
    color: #8390a0;
    font-size: 12px;
    line-height: 1.7;
}

.bt-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.bt-feature-card {
    min-height: 250px;
    padding: 24px;
    border: 1px solid #e8ecf1;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,248,250,.98));
    box-shadow: 0 16px 34px rgba(17,34,53,.04);
}

.bt-feature-kicker {
    color: var(--bt-red);
    font-family: var(--bt-display-font);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.bt-feature-card h3 {
    margin: 16px 0 0;
    color: #12263b;
    font-family: var(--bt-display-font);
    font-size: 20px;
    line-height: 1.38;
    font-weight: 740;
    letter-spacing: -.03em;
}

.bt-feature-card p {
    margin: 14px 0 0;
    color: #6d7d8e;
    font-size: 14px;
    line-height: 1.8;
}

.bt-public-service-section {
    margin-top: 26px;
    padding: 50px 44px;
    border-radius: 34px;
    background: linear-gradient(180deg, #12263b 0%, #182f48 100%);
}

.bt-public-service-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 26px;
    align-items: end;
    margin-bottom: 26px;
}

.bt-public-section-head-compact {
    margin-bottom: 0;
}

.bt-public-section-head-light span {
    color: #ff8e95;
}

.bt-public-section-head-light h2,
.bt-public-section-head-light p {
    color: #fff;
}

.bt-public-section-head-light p {
    color: rgba(255,255,255,.72);
}

.bt-service-highlight {
    padding: 18px 18px 20px;
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 18px;
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(12px);
}

.bt-service-highlight small {
    display: block;
    color: #ff9da1;
    font-family: var(--bt-display-font);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.bt-service-highlight strong {
    display: block;
    margin-top: 10px;
    color: #fff;
    font-family: var(--bt-display-font);
    font-size: 20px;
    line-height: 1.25;
    font-weight: 760;
    letter-spacing: -.03em;
}

.bt-service-highlight span {
    display: block;
    margin-top: 10px;
    color: rgba(255,255,255,.70);
    font-size: 13px;
    line-height: 1.7;
}

.bt-public-service-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.bt-public-service-item {
    min-height: 120px;
    padding: 18px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 18px;
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(12px);
    transition: transform .16s ease, border-color .16s ease, background .16s ease;
}

.bt-public-service-item:hover {
    transform: translateY(-3px);
    border-color: rgba(255,255,255,.18);
    background: rgba(255,255,255,.09);
}

.bt-public-service-item strong {
    display: block;
    color: #fff;
    font-family: var(--bt-display-font);
    font-size: 17px;
    line-height: 1.35;
    font-weight: 700;
    letter-spacing: -.02em;
}

.bt-public-service-item span {
    display: block;
    margin-top: 10px;
    color: rgba(255,255,255,.68);
    font-size: 12px;
    line-height: 1.55;
}

.bt-public-cta {
    margin-top: 68px;
    margin-bottom: 64px;
    padding: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border: 1px solid #eadfd5;
    border-radius: 28px;
    background: linear-gradient(90deg, rgba(255,255,255,.98), rgba(255,247,243,.98));
    box-shadow: 0 18px 36px rgba(16, 35, 59, .04);
}

.bt-public-cta span {
    display: inline-block;
    color: var(--bt-red);
    font-family: var(--bt-display-font);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.bt-public-cta h2 {
    max-width: 700px;
    margin: 10px 0 0;
    color: #11253b;
    font-family: var(--bt-display-font);
    font-size: 34px;
    line-height: 1.08;
    font-weight: 780;
    letter-spacing: -.05em;
}

.bt-public-cta p {
    margin: 14px 0 0;
    max-width: 620px;
    color: #6d7d8e;
    font-size: 15px;
    line-height: 1.75;
}

.bt-public-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.bt-public-cta a {
    min-height: 50px;
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px;
    color: #fff;
    background: var(--bt-red);
    text-decoration: none;
    font-family: var(--bt-display-font);
    font-size: 13px;
    font-weight: 700;
}

.bt-public-cta a.bt-public-cta-secondary {
    color: #32465c;
    border: 1px solid #d9dfe6;
    background: #fff;
}

.bt-public-footer {
    padding: 0 0 46px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    color: #8d99a5;
    font-size: 12px;
}

@keyframes btFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes btDrift {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-12px) translateX(4px); }
}

@keyframes btMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@media (max-width: 1180px) {
    .bt-public-nav {
        display: none;
    }

    .bt-premium-hero {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .bt-premium-hero-visual {
        min-height: 560px;
    }

    .bt-data-rail,
    .bt-public-programmes,
    .bt-feature-grid,
    .bt-public-service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bt-public-service-top {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .bt-public-cta {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 767px) {
    .bt-public-header {
        width: calc(100% - 20px);
        min-height: 70px;
        margin-top: 10px;
        padding: 0 14px;
        gap: 12px;
    }

    .bt-public-brand small {
        display: none;
    }

    .bt-public-login {
        min-height: 40px;
        padding: 0 14px;
    }

    .bt-premium-hero,
    .bt-public-section,
    .bt-feature-section,
    .bt-public-service-section,
    .bt-public-cta,
    .bt-public-footer {
        width: calc(100% - 20px);
    }

    .bt-premium-hero {
        padding-top: 36px;
    }

    .bt-premium-hero-copy h1 {
        font-size: 42px;
        line-height: 1.02;
    }

    .bt-premium-hero-copy p {
        font-size: 16px;
    }

    .bt-data-rail,
    .bt-public-programmes,
    .bt-feature-grid,
    .bt-public-service-grid {
        grid-template-columns: 1fr;
    }

    .bt-premium-hero-visual {
        min-height: 430px;
    }

    .bt-hero-visual-frame {
        inset: 10px 0 0 0;
        border-radius: 24px;
    }

    .bt-hero-overlay-card,
    .bt-orbit-card {
        position: absolute;
        transform: none !important;
        animation: none !important;
    }

    .bt-hero-overlay-card-top {
        top: 14px;
        right: 14px;
        left: auto;
        max-width: 220px;
    }

    .bt-hero-overlay-card-bottom {
        left: 14px;
        right: 14px;
        bottom: 14px;
        max-width: none;
    }

    .bt-orbit-card-a,
    .bt-orbit-card-b {
        display: none;
    }

    .bt-public-service-section {
        border-radius: 26px;
        padding: 36px 20px;
    }

    .bt-public-cta {
        margin-top: 48px;
        margin-bottom: 42px;
        padding: 24px;
    }

    .bt-public-cta h2 {
        font-size: 28px;
    }

    .bt-public-footer {
        padding-bottom: 28px;
        flex-direction: column;
        align-items: flex-start;
    }
}