/* BITNFO 3.0: public, access and member surfaces. No data or permission styling. */
.b3-landing,
.b3-auth-layout,
.b3-member-dashboard {
    --b3-muted: #a6b9bb;
    --b3-line: #263c40;
    --b3-green: #67efb5;
    --b3-cyan: #67dce9;
    color: #ecf4f3;
    font-family: var(--font-sans, Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
    font-size: 1rem;
    line-height: 1.6;
}
.b3-landing { max-width: 1440px; margin: 0 auto; }
.b3-landing h1, .b3-landing h2, .b3-landing h3,
.b3-auth-layout h1, .b3-auth-layout h2,
.b3-member-dashboard h1, .b3-member-dashboard h2 { font-family: inherit; letter-spacing: -.035em; color: #eff8f6; line-height: 1.15; }
.b3-landing p, .b3-auth-layout p, .b3-member-dashboard p { margin-top: 0; }
.b3-eyebrow { display: flex; align-items: center; gap: .6rem; margin: 0 0 1rem; font-size: .72rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; color: var(--b3-cyan); }
.b3-eyebrow > span { width: .4rem; height: .4rem; border-radius: 50%; background: var(--b3-green); box-shadow: 0 0 12px #67efb530; flex-shrink: 0; }
.b3-wordmark { margin: 0 0 1.8rem; font-size: 1.4rem; font-weight: 800; line-height: 1; letter-spacing: .17em; }
.b3-wordmark > span { color: var(--b3-green); }
.b3-hero { min-height: 660px; display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 2rem; padding: 4.5rem 0 4rem; }
.b3-hero h1 { margin: 0 0 1.2rem; font-size: clamp(2.8rem, 4.4vw, 4.65rem); font-weight: 650; }
.b3-hero h1 em, .b3-auth-brand h2 em { font-style: normal; color: var(--b3-green); }
.b3-tagline { color: #e3eeee; font-size: 1.25rem; font-weight: 500; letter-spacing: -.015em; }
.b3-lead { max-width: 35rem; color: var(--b3-muted); font-size: 1.05rem; margin-bottom: 1.8rem; }
.b3-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; }
.b3-actions .btn { min-height: 48px; }
.b3-actions .btn > span { margin-left: .7rem; }
.b3-caption { margin: 1.1rem 0 0; color: var(--b3-muted); font-size: .8rem; line-height: 1.6; }
.b3-caption a, .b3-risk-note a, .b3-text-link { color: #b2e3dc; text-underline-offset: .25em; text-decoration: underline; }
.b3-caption > span { margin: 0 .35rem; }
.b3-constellation { overflow: clip; position: relative; min-width: 0; min-height: 490px; isolation: isolate; background: radial-gradient(ellipse at center, #1b706b23, transparent 67%); }
.b3-orbit { position: absolute; border: 1px solid #47666a45; border-radius: 50%; inset: 14% 7%; transform: rotate(-22deg); z-index: -1; }
.b3-orbit-outer { inset: 6% -1%; border-style: dashed; opacity: .65; transform: rotate(22deg); }
.b3-network-core { position: absolute; inset: 30% 22%; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid #3d72696b; border-radius: 28px; background: linear-gradient(145deg, #193330ef, #101d23ef); box-shadow: 0 24px 65px #0005, inset 0 1px 0 #6cf4c016; }
.b3-network-symbol { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 3.7rem; font-weight: 750; letter-spacing: -.12em; line-height: 1; margin: 0 .25rem 1rem 0; }
.b3-network-symbol span { color: var(--b3-green); }
.b3-network-core strong { font-size: .9rem; font-weight: 550; }
.b3-network-core small { color: var(--b3-muted); font-size: .75rem; }
.b3-network-node { position: absolute; display: flex; align-items: center; gap: .75rem; min-width: 11rem; padding: .85rem 1rem; border: 1px solid #365458; border-radius: 12px; background: #101d20; box-shadow: 0 12px 28px #0004; }
.b3-network-node strong, .b3-network-node small { display: block; }
.b3-network-node strong { font-size: .9rem; font-weight: 550; }
.b3-network-node small { font-size: .7rem; color: var(--b3-muted); }
.b3-node-icon { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 8px; font-size: 1.45rem; background: #67efb50c; color: var(--b3-green); }
.b3-node-connect { left: 3%; top: 15%; }
.b3-node-learn { right: 0; top: 17%; }
.b3-node-build { left: 0; bottom: 17%; }
.b3-node-grow { right: 1%; bottom: 15%; }
.b3-node-learn .b3-node-icon, .b3-node-build .b3-node-icon { color: var(--b3-cyan); background: #67dce90d; }
.b3-network-note { position: absolute; bottom: 0; width: 100%; text-align: center; color: #849d9d; font-size: .7rem; letter-spacing: .06em; }
.b3-section { padding: 3.5rem 0; border-top: 1px solid var(--b3-line); scroll-margin-top: 6rem; }
.b3-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.b3-section-heading h2 { margin: 0; font-size: clamp(1.8rem, 2.6vw, 2.7rem); }
.b3-section-heading > p { margin: 0; color: var(--b3-muted); font-size: .9rem; min-width: 16rem; }
.b3-pillar-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.b3-pillar { display: flex; flex-direction: column; padding: 1.5rem; border: 1px solid var(--b3-line); border-radius: 14px; background: linear-gradient(145deg, #112024, #0d181c); }
.b3-pillar-index { font-size: .65rem; color: var(--b3-muted); letter-spacing: .14em; font-weight: 600; }
.b3-pillar-mark { display: block; margin: 1.5rem 0 1rem; font-size: 2.1rem; line-height: 1; color: var(--b3-green); }
.b3-pillar:nth-child(even) .b3-pillar-mark { color: var(--b3-cyan); }
.b3-pillar h3 { font-size: 1.35rem; font-weight: 550; margin: 0 0 .9rem; }
.b3-pillar p { color: var(--b3-muted); font-size: .9rem; flex: 1; margin-bottom: 1.5rem; }
.b3-pillar a { display: flex; gap: .75rem; align-items: center; justify-content: space-between; font-size: .85rem; font-weight: 600; color: #c8eee5; padding: .4rem 0; }
.b3-pillar a:hover, .b3-explore-links a:hover strong { color: var(--b3-green); }
.b3-pillar small { display: block; color: #8ca6a7; font-size: .68rem; margin-top: .3rem; }
.b3-explore-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; padding: 3rem; margin: .5rem 0 4rem; border: 1px solid var(--b3-line); border-radius: 18px; background: linear-gradient(120deg, #14272b, #0e191d 75%); }
.b3-explore-panel h2 { font-size: clamp(1.8rem, 2.7vw, 2.6rem); margin: 0 0 1.25rem; }
.b3-explore-panel p { color: var(--b3-muted); max-width: 31rem; margin-bottom: 0; }
.b3-explore-panel .b3-eyebrow { color: var(--b3-cyan); margin-bottom: 1rem; }
.b3-explore-links { display: flex; flex-direction: column; justify-content: center; }
.b3-explore-links a { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.3rem 0; border-bottom: 1px solid var(--b3-line); }
.b3-explore-links a:first-child { padding-top: 0; }
.b3-explore-links a:last-child { border-bottom: 0; padding-bottom: 0; }
.b3-explore-links strong { display: block; font-size: 1.05rem; font-weight: 550; }
.b3-explore-links small { display: block; color: var(--b3-muted); font-size: .8rem; margin-top: .2rem; }
.b3-explore-links a > span:last-child { color: var(--b3-cyan); }
.b3-join-panel { padding: 2rem 1rem 3rem; text-align: center; }
.b3-join-panel .b3-eyebrow { justify-content: center; }
.b3-join-panel h2 { font-size: clamp(2rem, 3.4vw, 3.3rem); margin: 0 0 1rem; }
.b3-join-panel > p:not(.b3-eyebrow) { color: var(--b3-muted); }
.b3-join-panel .btn { margin-top: .7rem; }
.b3-risk-note { color: #94adae; font-size: .75rem; line-height: 1.7; border-top: 1px solid var(--b3-line); padding: 1.5rem 0; margin: 0; }

.b3-auth-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; max-width: 1120px; min-height: min(760px, calc(100vh - 170px)); margin: 1rem auto; padding: 3rem 0; }
.b3-auth-brand { padding: 2rem 0; }
.b3-auth-brand .b3-wordmark { display: inline-block; margin-bottom: 2.4rem; font-size: 1.7rem; }
.b3-auth-brand h2 { margin: 0 0 1.5rem; font-size: clamp(2rem, 3.6vw, 3.4rem); font-weight: 600; }
.b3-auth-brand > p:not(.b3-tagline) { max-width: 25rem; color: var(--b3-muted); font-size: 1rem; }
.b3-auth-principles { display: flex; flex-wrap: wrap; gap: .5rem 1.1rem; margin: 2rem 0 2.5rem; color: #a8c8c3; font-size: .75rem; }
.b3-auth-principles span::before { content: "·"; color: var(--b3-green); padding-right: .5rem; }
.b3-text-link { font-size: .85rem; }
.b3-auth-card { min-width: 0; padding: clamp(1.5rem, 3vw, 2.6rem); border: 1px solid #2d494b; border-radius: 18px; background: linear-gradient(145deg, #142327, #0d191e); box-shadow: 0 24px 70px #0003; }
.b3-auth-card h1 { font-size: clamp(1.9rem, 2.6vw, 2.65rem); margin: 0 0 .8rem; font-weight: 600; }
.b3-auth-description { color: var(--b3-muted); margin: 0 0 1.8rem; font-size: .9rem; }
.b3-auth-card .auth-form, .b3-auth-card .nfo-form { display: grid; gap: 1.25rem; }
.b3-auth-card .nfo-field { display: grid; gap: .5rem; }
.b3-auth-card .nfo-label { font-size: .85rem; color: #dce9e6; margin: 0; text-transform: none; letter-spacing: 0; }
.b3-auth-card .nfo-input { min-height: 47px; width: 100%; background: #0b181d; border: 1px solid #385156; border-radius: 8px; color: #edf8f4; padding: .7rem .8rem; box-shadow: none; font-family: inherit; }
.b3-auth-card .nfo-input:focus { border-color: var(--b3-green); }
.b3-auth-card .nfo-form-grid { gap: 1.1rem; }
.b3-auth-card .nfo-panel { padding: 1rem; background: #0b181b; border: 1px solid var(--b3-line); box-shadow: none; }
.b3-auth-card .nfo-checkbox { font-size: .8rem; line-height: 1.6; align-items: flex-start; }
.b3-auth-card .nfo-checkbox input { margin-top: .2rem; }
.b3-auth-card .nfo-error { font-size: .85rem; }
.b3-auth-card .nfo-banner { font-size: .85rem; margin-bottom: 1.4rem; }
.b3-field-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.b3-field-heading a { font-size: .78rem; color: #9cdedc; }
.b3-auth-switch { text-align: center; border-top: 1px solid var(--b3-line); padding-top: 1.5rem; margin-top: 1.5rem; color: var(--b3-muted); font-size: .85rem; }
.b3-auth-switch a { color: var(--b3-green); text-underline-offset: .25em; text-decoration: underline; }
.b3-auth-card > .b3-caption { text-align: center; }
.b3-auth-layout-wide { max-width: 1280px; grid-template-columns: .8fr 1.2fr; align-items: start; }
.b3-auth-layout-wide .b3-auth-brand { position: sticky; top: 8rem; }
.b3-onboarding-steps { display: grid; gap: 1.3rem; padding: 0; list-style: none; margin: 2rem 0; }
.b3-onboarding-steps li { display: flex; gap: 1rem; }
.b3-onboarding-steps li > span { width: 2rem; height: 2rem; border-radius: 50%; border: 1px solid var(--b3-line); display: grid; place-items: center; flex-shrink: 0; font-size: .75rem; }
.b3-onboarding-steps li[aria-current] > span { color: var(--b3-green); border-color: #67efb56b; background: #67efb510; }
.b3-onboarding-steps strong { font-size: .9rem; font-weight: 600; }
.b3-onboarding-steps p { color: var(--b3-muted); font-size: .85rem; margin: .15rem 0 0; }

.b3-member-head { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1rem 0 1.75rem; }
.b3-member-head h1 { font-size: clamp(1.8rem, 2.8vw, 2.7rem); margin: 0 0 .75rem; overflow-wrap: anywhere; }
.b3-member-head > div { min-width: 0; }
.b3-member-head > div > p:last-child { max-width: 43rem; color: var(--b3-muted); font-size: .9rem; margin: 0; }
.b3-member-head > .btn { flex-shrink: 0; }
.b3-member-summary { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.b3-summary-card { display: flex; flex-direction: column; justify-content: space-between; padding: 1.25rem; border: 1px solid var(--b3-line); border-radius: 12px; background: #112025; min-width: 0; }
.b3-summary-card > span { color: #bfd1cf; font-size: .8rem; }
.b3-summary-card strong { font-size: clamp(1.35rem, 2.5vw, 1.95rem); margin: .6rem 0; font-weight: 600; line-height: 1.2; overflow-wrap: anywhere; }
.b3-summary-card small { display: flex; justify-content: space-between; align-items: flex-end; gap: .75rem; color: var(--b3-muted); font-size: .72rem; }
.b3-summary-card small span { color: var(--b3-cyan); }
.b3-summary-card:hover { border-color: #3e7066; }
.b3-member-community-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 1.25rem; margin-bottom: 1.75rem; }
.b3-member-explore { border: 1px solid var(--b3-line); border-radius: 12px; background: #101e22; padding: 1.5rem; }
.b3-member-explore h2 { margin: 0 0 1.2rem; font-size: 1.5rem; }
.b3-member-explore > a { display: flex; align-items: center; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--b3-line); }
.b3-member-explore > a > span:first-child { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; background: #67efb50c; color: var(--b3-green); font-size: 1.3rem; border-radius: 7px; flex-shrink: 0; }
.b3-member-explore > a > span:last-child { margin-left: auto; color: var(--b3-cyan); }
.b3-member-explore strong { display: block; font-size: .9rem; font-weight: 550; }
.b3-member-explore small { display: block; font-size: .75rem; color: var(--b3-muted); }
.b3-account-section { border: 1px solid var(--b3-line); border-radius: 12px; padding: 0 1.25rem; margin-bottom: 1rem; background: #0d191d; }
.b3-account-section > summary { cursor: pointer; padding: 1.15rem 0; color: #dae9e5; font-size: 1rem; font-weight: 550; }
.b3-account-section > summary .b3-caption { margin: 0 0 0 1rem; font-weight: 400; }
.b3-account-section[open] > summary { border-bottom: 1px solid var(--b3-line); margin-bottom: 1rem; }
.b3-account-section > section { margin-bottom: 1.25rem; }
.b3-account-section .nfo-card-value { overflow-wrap: anywhere; font-size: clamp(1.1rem, 2vw, 1.6rem); }

@media (max-width: 1180px) {
    .b3-hero { grid-template-columns: 1.1fr 1fr; gap: 1rem; }
    .b3-network-node { min-width: 9rem; padding: .65rem; gap: .5rem; }
    .b3-network-node small { font-size: .65rem; }
    .b3-network-core { inset: 31% 18%; }
    .b3-pillar-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .b3-pillar { padding: 1.5rem; }
    .b3-member-summary { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .b3-member-community-grid { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
    .b3-hero { grid-template-columns: 1fr; padding: 2.5rem 0 2rem; gap: 0; min-height: 0; }
    .b3-hero-copy { max-width: 40rem; }
    .b3-hero h1 { font-size: clamp(2.5rem, 7.3vw, 4rem); }
    .b3-constellation { min-height: 420px; max-width: 560px; width: 100%; margin: 1.5rem auto 0; }
    .b3-network-core { inset: 29% 22%; }
    .b3-network-node { min-width: 10rem; }
    .b3-section-heading { display: block; }
    .b3-section-heading > p { margin-top: 1rem; }
    .b3-explore-panel { gap: 1.5rem; padding: 2rem; grid-template-columns: 1fr; }
    .b3-explore-links a:first-child { padding-top: 1rem; border-top: 1px solid var(--b3-line); }
    .b3-auth-layout, .b3-auth-layout-wide { grid-template-columns: 1fr; max-width: 570px; gap: 1.25rem; padding: 1rem 0 2rem; }
    .b3-auth-brand { padding: 1rem 0; }
    .b3-auth-brand .b3-wordmark { margin-bottom: 1.4rem; }
    .b3-auth-brand h2 { font-size: 2.5rem; margin-bottom: .8rem; }
    .b3-auth-brand > p:not(.b3-tagline), .b3-auth-brand .b3-auth-principles, .b3-auth-brand .b3-text-link { display: none; }
    .b3-auth-brand .b3-tagline { margin: 0; }
    .b3-auth-layout-wide .b3-auth-brand { position: static; }
    .b3-member-head { align-items: flex-start; flex-direction: column; gap: 1.25rem; }
}
@media (max-width: 480px) {
    .b3-eyebrow { font-size: .65rem; letter-spacing: .08em; }
    .b3-wordmark { font-size: 1.2rem; margin-bottom: 1.35rem; }
    .b3-hero h1 { font-size: 2.55rem; }
    .b3-tagline { font-size: 1.05rem; }
    .b3-lead { font-size: .95rem; }
    .b3-actions { align-items: stretch; }
    .b3-actions .btn { flex: 1 1 auto; }
    .b3-constellation { min-height: 355px; margin-top: 1rem; }
    .b3-network-node { min-width: 0; padding: .6rem; gap: .4rem; border-radius: 9px; }
    .b3-network-node strong { font-size: .8rem; }
    .b3-network-node small { font-size: .6rem; }
    .b3-node-icon { width: 1.6rem; height: 1.6rem; font-size: 1.15rem; }
    .b3-node-connect { left: 0; top: 10%; }
    .b3-node-learn { right: 0; top: 15%; }
    .b3-node-build { left: 0; bottom: 18%; }
    .b3-node-grow { right: 0; bottom: 12%; }
    .b3-network-core { inset: 30% 19%; border-radius: 18px; }
    .b3-network-symbol { font-size: 2.7rem; margin-bottom: .5rem; }
    .b3-network-core strong { font-size: .75rem; }
    .b3-network-core small { font-size: .65rem; }
    .b3-orbit-outer { inset: 10% 0; }
    .b3-pillar-grid { grid-template-columns: 1fr; }
    .b3-section { padding: 2.5rem 0; }
    .b3-pillar-mark { margin: 1.1rem 0; }
    .b3-pillar p { min-height: 0; }
    .b3-explore-panel { padding: 1.5rem; margin-bottom: 2rem; }
    .b3-auth-brand h2 { font-size: 2.1rem; }
    .b3-auth-card { padding: 1.5rem; }
    .b3-auth-card .nfo-form-grid { grid-template-columns: 1fr; }
    .b3-field-heading { gap: .5rem; }
    .b3-auth-card .b3-eyebrow { font-size: .63rem; }
    .b3-member-summary { gap: .65rem; }
    .b3-summary-card { padding: 1rem; }
    .b3-summary-card strong { font-size: 1.35rem; }
    .b3-member-explore { padding: 1.15rem; }
    .b3-account-section { padding: 0 1rem; }
    .b3-account-section > summary .b3-caption { display: block; margin: .3rem 0 0 1.1rem; }
}
@media (prefers-reduced-motion: reduce) {
    .b3-landing *, .b3-auth-layout *, .b3-member-dashboard * { scroll-behavior: auto; animation: none; transition: none; }
}
