:root {
    --mb-bg: #000000;
    --mb-surface: #050505;
    --mb-surface-strong: #0b0b0b;
    --mb-surface-light: #121212;
    --mb-border: rgba(255, 255, 255, 0.14);
    --mb-border-strong: rgba(255, 255, 255, 0.24);
    --mb-text: #ffffff;
    --mb-muted: rgba(255, 255, 255, 0.68);
    --mb-klein: #390099;
    --mb-bordeaux: #9e0059;
    --mb-coral: #ff0054;
    --mb-orange: #ff5400;
    --mb-shadow: 0 28px 80px rgba(0, 0, 0, 0.55);
    --mb-ui: "Work Sans";
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.mybrain-page {
    margin: 0;
    min-height: 100vh;
    color: var(--mb-text);
    font-family: var(--mb-ui);
    background: var(--mb-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.mb-modal-open {
    overflow: hidden;
}

.mb-shell {
    position: relative;
    overflow: clip;
    background: #000;
}

.mb-shell::before {
    content: "";
    position: absolute;
    top: 110px;
    right: -8vw;
    width: min(54vw, 860px);
    height: min(54vw, 860px);
    pointer-events: none;
    opacity: 0.38;
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 760 760'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.28' stroke-width='1.3'%3E%3Cpath d='M48 250 142 112 314 188 468 120 656 248 572 452 352 612 168 488z'/%3E%3Cpath d='M142 112 168 488 314 188 572 452 468 120 352 612 48 250'/%3E%3Cpath d='M48 250 314 188 656 248 352 612 142 112 572 452'/%3E%3Cpath d='M168 488 468 120 656 248 314 188 352 612'/%3E%3C/g%3E%3Cg fill='%23ffffff'%3E%3Ccircle cx='48' cy='250' r='4'/%3E%3Ccircle cx='142' cy='112' r='5'/%3E%3Ccircle cx='314' cy='188' r='4'/%3E%3Ccircle cx='468' cy='120' r='5'/%3E%3Ccircle cx='656' cy='248' r='4'/%3E%3Ccircle cx='572' cy='452' r='5'/%3E%3Ccircle cx='352' cy='612' r='4'/%3E%3Ccircle cx='168' cy='488' r='5'/%3E%3Ccircle cx='238' cy='330' r='6'/%3E%3Ccircle cx='430' cy='338' r='4'/%3E%3C/g%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.mb-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(0, 0, 0, 0.86);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mb-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.mb-brand-group {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.mb-brand {
    display: inline-flex;
    align-items: center;
    max-width: min(100%, 230px);
}

.mb-brand-logo {
    display: block;
    width: 100%;
    height: auto;
}

.mb-beta-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.18rem 0.55rem;
    border: 1px solid var(--mb-border-strong);
    border-radius: 999px;
    color: var(--mb-muted);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    line-height: 1;
}

.mb-top-cta,
.mb-primary-cta,
.mb-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0 1.25rem;
    border: 0;
    border-radius: 10px;
    text-decoration: none;
    font-size: 0.98rem;
    font-weight: 700;
    white-space: nowrap;
    color: #fff;
    background: var(--mb-klein);
    box-shadow: none;
    transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.mb-top-cta {
    flex: 0 0 auto;
}

.mb-primary-cta,
.mb-submit {
    background: var(--mb-coral);
}

.mb-top-cta:hover,
.mb-primary-cta:hover,
.mb-submit:hover {
    transform: translateY(-1px);
    background: var(--mb-orange);
    color: #fff;
}

.mb-secondary-link,
.mb-inline-link {
    color: var(--mb-text);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.38);
    padding-bottom: 0.2rem;
}

.mb-secondary-link:hover,
.mb-inline-link:hover {
    color: var(--mb-text);
    border-color: var(--mb-coral);
}

.mb-hero,
.mb-section {
    position: relative;
    padding: 2.75rem 0;
}

.mb-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.06fr) minmax(320px, 0.78fr);
    gap: 2rem;
    align-items: start;
}

.mb-copy {
    max-width: 760px;
}

.mb-eyebrow,
.mb-form-kicker {
    margin: 0 0 1rem;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

.mb-headline {
    margin: 0;
    max-width: 740px;
    font-size: clamp(2.8rem, 6.3vw, 5rem);
    line-height: 0.98;
    font-weight: 600;
    letter-spacing: 0;
}

@media (min-width: 992px) {
    .mb-headline {
        max-width: 740px;
        font-size: clamp(1.96rem, 4.41vw, 3.5rem);
    }
}

.mb-subheadline,
.mb-section-copy,
.mb-pillar p,
.mb-manifesto-text,
.mb-form-copy,
.mb-proof span,
.mb-chat-message p,
.mb-step p,
.mb-value-card p {
    color: var(--mb-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.mb-subheadline {
    max-width: 40rem;
    margin-top: 1.4rem;
    font-size: 1.08rem;
}

.mb-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.2rem;
    align-items: center;
    margin-top: 1.8rem;
}

.mb-manifesto-card,
.mb-signup-card,
.mb-pillar,
.mb-chat-window,
.mb-graph-window,
.mb-step,
.mb-value-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--mb-border);
    background: var(--mb-surface);
    box-shadow: var(--mb-shadow);
}

.mb-manifesto-card::after,
.mb-signup-card::after,
.mb-chat-window::after,
.mb-value-card::after {
    display: none;
}

.mb-manifesto-card {
    display: grid;
    grid-template-columns: 152px minmax(0, 1fr);
    gap: 1.5rem;
    align-items: center;
    margin-top: 2rem;
    padding: 1.4rem;
    border-radius: 18px;
}

.mb-manifesto-badge {
    display: flex;
    align-items: center;
    justify-content: center;
}

.mb-squircle {
    position: relative;
    display: block;
    width: 132px;
    height: 132px;
    border-radius: 28px;
    background: var(--mb-surface-light);
    border: 1px solid var(--mb-border);
}

.mb-node,
.mb-link {
    position: absolute;
    display: block;
}

.mb-node {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.5);
}

.mb-link {
    height: 1px;
    background: rgba(255, 255, 255, 0.35);
    transform-origin: left center;
}

.mb-node-1 { top: 24px; left: 32px; }
.mb-node-2 { top: 34px; right: 28px; }
.mb-node-3 { top: 56px; left: 62px; }
.mb-node-4 { bottom: 36px; left: 26px; }
.mb-node-5 { bottom: 28px; right: 32px; }
.mb-node-6 { top: 78px; right: 50px; }
.mb-node-7 { bottom: 56px; left: 66px; }

.mb-link-1 { top: 29px; left: 40px; width: 56px; transform: rotate(12deg); }
.mb-link-2 { top: 59px; left: 34px; width: 42px; transform: rotate(38deg); }
.mb-link-3 { top: 61px; left: 68px; width: 42px; transform: rotate(-22deg); }
.mb-link-4 { top: 79px; left: 34px; width: 62px; transform: rotate(-12deg); }

.mb-manifesto-copy {
    min-width: 0;
}

.mb-manifesto-text {
    margin: 0;
}

.mb-signup-card {
    padding: 1.7rem;
    border-radius: 18px;
    background: #060606;
}

.mb-form-kicker {
    margin-bottom: 0.75rem;
}

.mb-form-title {
    margin: 0;
    font-size: clamp(1.7rem, 4vw, 2.35rem);
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0;
}

.mb-form-copy {
    margin: 0.9rem 0 1.4rem;
}

.mb-multistep-form {
    display: grid;
    gap: 1rem;
}

.mb-step-progress {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.6rem;
}

.mb-step-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.4rem;
    border-radius: 10px;
    border: 1px solid var(--mb-border);
    background: var(--mb-surface-light);
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.82rem;
    font-weight: 700;
}

.mb-step-pill.is-active,
.mb-step-pill.is-complete {
    color: #fff;
    border-color: var(--mb-coral);
    background: var(--mb-bordeaux);
}

.mb-form-step {
    display: none;
    gap: 1rem;
    transform-origin: top center;
}

.mb-form-step.is-active {
    display: grid;
}

.mb-multistep-form[data-direction="forward"] .mb-form-step.is-active {
    animation: mb-step-forward 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mb-multistep-form[data-direction="back"] .mb-form-step.is-active {
    animation: mb-step-back 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes mb-step-forward {
    from {
        opacity: 0;
        transform: translateX(18px) translateY(6px) scale(0.985);
    }

    to {
        opacity: 1;
        transform: translateX(0) translateY(0) scale(1);
    }
}

@keyframes mb-step-back {
    from {
        opacity: 0;
        transform: translateX(-18px) translateY(6px) scale(0.985);
    }

    to {
        opacity: 1;
        transform: translateX(0) translateY(0) scale(1);
    }
}

.mb-form-step-label {
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.mb-captured-email {
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--mb-border);
    background: var(--mb-surface-light);
}

.mb-captured-email-compact {
    margin: 1rem 0 0;
}

.mb-captured-email-label,
.mb-captured-email-value {
    margin: 0;
}

.mb-captured-email-label {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.mb-captured-email-value {
    margin-top: 0.35rem;
    color: var(--mb-text);
    font-size: 1rem;
    font-weight: 700;
}

.mb-success-state {
    min-height: 256px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mb-signup-card .form-label {
    margin-bottom: 0.45rem;
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.85rem;
    font-weight: 700;
}

.mb-signup-card .form-control,
.mb-signup-card .form-select {
    min-height: 3rem;
    border-radius: 12px;
    border: 1px solid var(--mb-border);
    background: #000;
    color: var(--mb-text);
    box-shadow: none;
}

.mb-signup-card .form-control::placeholder {
    color: rgba(255, 255, 255, 0.34);
}

.mb-signup-card .form-control:focus,
.mb-signup-card .form-select:focus {
    border-color: var(--mb-coral);
    box-shadow: 0 0 0 0.18rem rgba(255, 0, 84, 0.18);
}

.mb-signup-card .form-select option {
    color: #080808;
}

.mb-choice-list {
    display: grid;
    gap: 0.75rem;
}

.mb-choice-group-label {
    margin-bottom: 0.2rem;
}

.mb-choice-card {
    position: relative;
    display: block;
    padding: 1rem 1rem 1rem 3.3rem;
    border-radius: 12px;
    border: 1px solid var(--mb-border);
    background: var(--mb-surface-light);
    cursor: pointer;
    transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.mb-choice-card:hover {
    transform: translateY(-1px);
    border-color: var(--mb-border-strong);
}

.mb-choice-card:has(.mb-choice-input:checked) {
    border-color: var(--mb-coral);
    background: #190014;
}

.mb-choice-input {
    position: absolute;
    top: 1.15rem;
    left: 1.15rem;
    width: 1.1rem;
    height: 1.1rem;
    margin: 0;
    accent-color: var(--mb-coral);
}

.mb-choice-copy {
    display: block;
    color: var(--mb-text);
    font-size: 0.98rem;
    line-height: 1.45;
}

.mb-profession-field {
    display: none;
    margin-top: 0.5rem;
}

.mb-profession-field.is-visible {
    display: block;
}

.mb-step-actions {
    display: flex;
    gap: 0.8rem;
}

.mb-step-actions > * {
    flex: 1 1 0;
}

.mb-submit {
    width: 100%;
    font-size: 1rem;
}

.mb-step-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.9rem;
    padding: 0 1.1rem;
    border-radius: 10px;
    border: 1px solid var(--mb-border);
    background: #000;
    color: var(--mb-text);
    font-size: 0.95rem;
    font-weight: 700;
    transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.mb-step-back:hover {
    transform: translateY(-1px);
    border-color: var(--mb-border-strong);
    background: var(--mb-surface-light);
}

.mb-lead-modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
}

.mb-lead-modal.is-open {
    display: flex;
}

.mb-lead-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.76);
    backdrop-filter: blur(10px);
}

.mb-lead-modal-dialog {
    position: relative;
    z-index: 1;
    width: min(100%, 620px);
    max-height: min(860px, calc(100vh - 2.5rem));
    overflow: auto;
    padding: 1.5rem;
    border: 1px solid var(--mb-border-strong);
    border-radius: 16px;
    background: #060606;
    box-shadow: var(--mb-shadow);
}

.mb-lead-modal-header {
    margin-bottom: 1.2rem;
    padding-right: 2.6rem;
}

.mb-lead-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--mb-border);
    border-radius: 10px;
    background: #000;
    color: var(--mb-text);
    line-height: 1;
}

.mb-lead-modal-close:hover {
    border-color: var(--mb-border-strong);
    background: var(--mb-surface-light);
}

.mb-proof {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mb-proof p {
    margin: 0;
    color: var(--mb-text);
    font-weight: 700;
}

.mb-proof-copy span {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.96rem;
}

.mb-proof-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
    margin-top: 0;
    border-radius: 10px;
    background: var(--mb-bordeaux);
    color: #fff;
    font-size: 1rem;
    line-height: 1;
    overflow: hidden;
}

.mb-section-intro {
    margin-bottom: 1.4rem;
}

.mb-section-title {
    margin: 0;
    font-size: clamp(1.9rem, 4.2vw, 2.85rem);
    line-height: 1.04;
    font-weight: 600;
    letter-spacing: 0;
}

.mb-section-copy {
    margin-top: 1rem;
}

.mb-pillars,
.mb-value-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.mb-pillar,
.mb-value-card {
    padding: 1.35rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.mb-pillar-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    border-radius: 10px;
    color: #fff;
    font-size: 1.15rem;
    background: var(--mb-klein);
}

.mb-pillar:nth-child(2) .mb-pillar-icon,
.mb-value-card:nth-child(2) {
    background: var(--mb-surface);
}

.mb-pillar:nth-child(2) .mb-pillar-icon {
    background: var(--mb-bordeaux);
}

.mb-pillar:nth-child(3) .mb-pillar-icon {
    background: var(--mb-coral);
}

.mb-pillar:nth-child(4) .mb-pillar-icon {
    background: var(--mb-orange);
}

.mb-pillar h3,
.mb-step h3,
.mb-value-card h3 {
    margin: 0 0 0.7rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0;
}

.mb-pillar p,
.mb-value-card p,
.mb-step p {
    margin: 0;
}

.mb-chat-window {
    min-height: 680px;
    border-radius: 18px;
    background: #171717;
}

.mb-graph-window {
    min-height: 680px;
    border-radius: 18px;
    background: #000;
}

.mb-chat-topbar {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mb-chat-topbar span {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--mb-coral);
}

.mb-chat-topbar span:nth-child(2) {
    background: var(--mb-orange);
}

.mb-chat-topbar span:nth-child(3) {
    background: var(--mb-klein);
}

.mb-chat-topbar p {
    margin: 0 0 0 0.4rem;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mb-chat-body {
    display: grid;
    gap: 1rem;
    padding: 1.25rem;
}

.mb-chat-message {
    padding: 1rem 1.1rem;
    border-radius: 14px;
}

.mb-chat-user {
    max-width: min(76%, 520px);
    margin-right: auto;
    background: var(--mb-surface-light);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.mb-chat-assistant {
    max-width: min(82%, 620px);
    margin-left: auto;
    background: #160015;
    border: 1px solid rgba(255, 0, 84, 0.26);
}

.mb-chat-answer-fade p + p,
.mb-chat-answer-fade ul + p,
.mb-chat-answer-fade p + ul {
    margin-top: 1rem;
}

.mb-chat-answer-fade ul {
    display: grid;
    gap: 0.45rem;
    margin: 0;
    padding-left: 1.25rem;
    color: var(--mb-muted);
    font-size: 1rem;
    line-height: 1.55;
}

.mb-chat-answer-fade li::marker {
    color: var(--mb-orange);
}

.mb-chat-answer-fade strong {
    color: var(--mb-text);
    font-weight: 800;
}

.mb-chat-answer-fade::after {
    display: none;
}

.mb-chat-message span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.mb-chat-message p {
    margin: 0;
}

.mb-graph-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 52% 42%;
    opacity: 0.96;
}

.mb-graph-window::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0) 30%),
        linear-gradient(0deg, rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0) 38%);
}

.mb-graph-label {
    position: absolute;
    z-index: 1;
    top: 1.1rem;
    left: 1.1rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.mb-steps {
    display: grid;
    gap: 1rem;
}

.mb-step {
    display: grid;
    grid-template-columns: minmax(220px, 0.36fr) minmax(0, 0.64fr);
    gap: 2rem;
    align-items: center;
    padding: 1.5rem;
    border-radius: 16px;
}

.mb-step-copy {
    display: grid;
    gap: 1.1rem;
    align-content: center;
}

.mb-step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 88px;
    height: 88px;
    border-radius: 14px;
    background: var(--mb-klein);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.mb-step:nth-child(2) .mb-step-index {
    background: var(--mb-coral);
}

.mb-step:nth-child(3) .mb-step-index {
    background: var(--mb-orange);
}

.mb-step-visual {
    margin-top: 0;
}

.mb-step .mb-graph-window {
    min-height: 390px;
}

.mb-step .mb-chat-window {
    min-height: auto;
}

.mb-source-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.7rem;
}

.mb-source-pill {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    min-height: 3.05rem;
    padding: 0.62rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.84);
    background: rgba(255, 255, 255, 0.035);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.1;
}

.mb-source-pill i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.72rem;
    height: 1.72rem;
    flex: 0 0 auto;
    border-radius: 7px;
    color: #fff;
    background: var(--mb-surface-light);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
    font-size: 0.98rem;
}

.mb-source-pill:nth-child(1) i { background: #0a66c2; }
.mb-source-pill:nth-child(2) i { background: #ffffff; color: #1a73e8; }
.mb-source-pill:nth-child(3) i { background: #ffffff; color: #ea4335; }
.mb-source-pill:nth-child(4) i { background: #ffffff; color: #111; }
.mb-source-pill:nth-child(5) i { background: #0061ff; }
.mb-source-pill:nth-child(6) i { background: #ffffff; color: #2563eb; }
.mb-source-pill:nth-child(7) i { background: #00a82d; }
.mb-source-pill:nth-child(8) i { background: #6d5dfc; }
.mb-source-pill:nth-child(9) i { background: #111; }
.mb-source-pill:nth-child(10) i { background: #111; }
.mb-source-pill:nth-child(11) i { background: #ff6719; }
.mb-source-pill:nth-child(12) i { background: #ff0000; }
.mb-source-pill:nth-child(13) i { background: #b91c1c; }
.mb-source-pill:nth-child(14) i { background: #15803d; }
.mb-source-pill:nth-child(15) i { background: #2563eb; }
.mb-source-pill:nth-child(16) i { background: var(--mb-klein); }

.mb-section-last {
    padding-bottom: 5rem;
}

.mb-doc-panel {
    max-width: 760px;
    margin: 0 auto;
}

.mb-doc-stack {
    display: grid;
    gap: 1rem;
    margin-top: 1.75rem;
}

.mb-doc-card {
    padding: 1.5rem 1.65rem;
    border: 1px solid var(--mb-border);
    border-radius: 16px;
    background: var(--mb-surface-light);
}

.mb-doc-card h2 {
    margin: 0 0 0.6rem;
    font-size: 1.18rem;
    font-weight: 700;
    letter-spacing: 0;
}

.mb-doc-card p {
    margin: 0;
    color: var(--mb-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.mb-footer {
    padding: 0 0 2.5rem;
}

.mb-footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 1.75rem;
}

.mb-footer-link {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    font-size: 0.92rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
    padding-bottom: 0.15rem;
    transition: color 180ms ease, border-color 180ms ease;
}

.mb-footer-link:hover {
    color: #fff;
    border-color: var(--mb-coral);
}

.mb-footer-meta {
    margin-top: 1.1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.56);
    font-size: 0.88rem;
}

.mb-footer-meta a {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
    transition: color 180ms ease, border-color 180ms ease;
}

.mb-footer-meta a:hover {
    color: #fff;
    border-color: var(--mb-coral);
}

@media (max-width: 1199px) {
    .mb-pillars,
    .mb-value-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {
    .mb-shell::before {
        top: 180px;
        right: -28vw;
        width: 78vw;
        height: 78vw;
        opacity: 0.22;
    }

    .mb-hero-grid {
        grid-template-columns: 1fr;
    }

    .mb-signup-card {
        max-width: 680px;
    }

    .mb-chat-window,
    .mb-graph-window {
        min-height: 560px;
    }

    .mb-step {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .mb-step .mb-graph-window {
        min-height: 420px;
    }

    .mb-source-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.mb-mid-cta-section {
    padding: 3rem 0;
}

@media (max-width: 767px) {
    .mb-shell::before {
        display: none;
    }

    .mb-hero,
    .mb-section {
        padding: 3.25rem 0;
    }

    .mb-nav {
        gap: 1rem;
    }

    .mb-top-cta {
        min-height: 2.6rem;
        padding: 0 1rem;
        font-size: 0.92rem;
        white-space: nowrap;
    }

    .mb-brand {
        max-width: min(60vw, 220px);
    }

    .mb-manifesto-card {
        grid-template-columns: 1fr;
    }

    .mb-squircle,
    .mb-step-index {
        margin: 0 auto;
    }

    .mb-pillars,
    .mb-value-grid {
        grid-template-columns: 1fr;
    }

    .mb-chat-window,
    .mb-graph-window,
    .mb-signup-card,
    .mb-pillar,
    .mb-step,
    .mb-value-card,
    .mb-manifesto-card {
        border-radius: 14px;
    }

    .mb-chat-window {
        min-height: auto;
    }

    .mb-graph-window {
        min-height: 520px;
    }

    .mb-chat-user,
    .mb-chat-assistant {
        max-width: 100%;
    }

    .mb-source-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mb-step-actions {
        flex-direction: column;
    }
}