/* Landing-only institutional palette; shared application styles stay intact. */
.sb-landing {
  --lp-bg: #111310; --lp-panel: #181b16; --lp-text: #f0ecdf; --lp-muted: #b5b5a8;
  --lp-gold: #cdb47a; --lp-line: #484738; --lp-button: #dcc58d; --lp-ink: #181b16;
  background: var(--lp-bg); color: var(--lp-text); font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}
[data-bs-theme="light"] .sb-landing { --lp-bg: #f5f1e7; --lp-panel: #ebe5d7; --lp-text: #24281f; --lp-muted: #606354; --lp-gold: #796029; --lp-line: #c9c0ac; --lp-button: #dac18b; }
.sb-landing ::selection { background: var(--lp-gold); color: var(--lp-bg); }
.sb-landing :is(a,button,summary):focus-visible { outline: 2px solid var(--lp-gold); outline-offset: 5px; }
.landing-container { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
.sb-landing .sb-navbar { background: var(--lp-bg) !important; border-color: var(--lp-line) !important; }
.sb-landing .sb-navbar > .container { max-width: 1240px; width: calc(100% - 96px); padding: 0; min-height: 88px; }
.sb-landing .sb-navbar .sb-logo-nav { height: 74px; max-width: 145px; filter: grayscale(1) sepia(.7); }
.sb-landing .sb-navbar .nav-link { color: var(--lp-muted); font-size: .8rem; letter-spacing: .04em; padding-inline: 15px; }
.sb-landing .sb-navbar .nav-link:hover { color: var(--lp-gold); }
.sb-landing .sb-theme-btn { color: var(--lp-gold); border-color: var(--lp-line); margin-left: 20px; width: 44px; height: 44px; border-radius: 0; }
.sb-landing .navbar-toggler { border: 0; background: transparent; }
.landing-skip { position: fixed; left: 16px; top: -100px; z-index: 100; background: var(--lp-button); color: var(--lp-ink); padding: 12px 20px; }
.landing-skip:focus { top: 12px; }
.landing-main > .alert { position: fixed; z-index: 20; top: 100px; left: 5%; width: 90%; }
.landing-hero { position: relative; overflow: hidden; background: radial-gradient(ellipse at 82% 45%, color-mix(in srgb, var(--lp-gold) 8%, transparent), transparent 55%); }
.landing-masthead,.landing-hero-bottom { display: flex; justify-content: space-between; gap: 20px; color: var(--lp-muted); font-size: .68rem; letter-spacing: .16em; }
.landing-masthead { padding-top: 28px; text-transform: uppercase; }
.landing-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; min-height: min(780px, calc(100svh - 170px)); padding: 65px 0 75px; }
.landing-eyebrow { color: var(--lp-gold); font-size: .67rem; text-transform: uppercase; letter-spacing: .2em; font-weight: 600; margin-bottom: 26px; line-height: 1.7; }
.sb-landing h1,.sb-landing h2,.sb-landing h3,.landing-statement > div > p:not(.landing-eyebrow) { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }
.sb-landing h1 { font-size: clamp(3.5rem, 5.6vw, 5.3rem); line-height: 1.05; letter-spacing: -.055em; margin: 0 0 28px; }
.sb-landing em { color: var(--lp-gold); font-weight: 400; }
.landing-intro { max-width: 405px; font-size: .92rem; line-height: 1.85; color: var(--lp-muted); }
.landing-actions { display: flex; gap: 30px; align-items: center; margin-top: 32px; }
.landing-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 38px; padding: 16px 23px; background: var(--lp-button); border: 1px solid var(--lp-button); color: var(--lp-ink); text-decoration: none; font-size: .85rem; transition: background .2s, transform .2s; }
.landing-button > span:first-child { display: grid; gap: 3px; }
.landing-button small { font-size: .65rem; letter-spacing: .02em; }
.landing-button > span:last-child { font-size: 1.4rem; }
.landing-button:hover { background: #ebd7a8; color: var(--lp-ink); transform: translateY(-2px); }
.landing-text-link { display: inline-block; color: var(--lp-text); text-decoration: none; font-size: .8rem; line-height: 1.8; border-bottom: 1px solid var(--lp-line); padding-block: 5px; transition: color .2s, border-color .2s; }
.landing-text-link small { display: block; color: var(--lp-muted); font-size: .65rem; }
.landing-text-link:hover { color: var(--lp-gold); border-color: var(--lp-gold); }
.landing-footnote { font-size: .7rem; color: var(--lp-muted); margin: 22px 0 0; }
.landing-footnote span { color: var(--lp-gold); margin-right: 8px; }
.landing-hero-bottom { border-top: 1px solid var(--lp-line); padding: 19px 0; align-items: center; letter-spacing: .025em; }
.landing-hero-bottom a { font-size: .7rem; border: 0; }
.landing-hero-bottom a span { margin-left: 18px; }
.landing-exhibit { position: relative; padding: 44px 0 20px; min-width: 0; }
.landing-orbit { position: absolute; width: 112%; aspect-ratio: 1; top: 48%; left: 50%; transform: translate(-50%,-50%); border: 1px solid var(--lp-line); border-radius: 50%; opacity: .45; pointer-events: none; }
.landing-orbit::before,.landing-orbit::after { content: ''; position: absolute; border: 1px solid var(--lp-line); border-radius: 50%; inset: 20px; }
.landing-orbit::after { inset: 55px; border-style: dashed; opacity: .5; }
.landing-exhibit-heading { position: relative; display: flex; justify-content: space-between; font-size: .6rem; letter-spacing: .18em; text-transform: uppercase; color: var(--lp-muted); padding: 0 12px 28px; }
.landing-card-root { position: relative; z-index: 1; }
.sb-landing .card3d-scene { touch-action: pan-y; }
.sb-landing .card3d { width: 100%; max-width: 510px; aspect-ratio: 1.6; transform: rotateX(var(--rx, -6deg)) rotateY(var(--ry, -12deg)); border-radius: 10px; }
.sb-landing .card3d::before { display: none; }
.sb-landing .card3d::after { opacity: .22; border-radius: 10px; }
.sb-landing .card3d-face { border-radius: 10px; border: 1px solid #9d8957; color: #eadcba; background: linear-gradient(120deg, #2b3025, #171c16 48%, #252b21); box-shadow: 0 28px 45px #0004, inset 0 0 0 7px #22291e, inset 0 0 0 8px #746746; }
.sb-landing .card3d-surface { padding: 24px 28px; gap: 0; justify-content: space-between; }
.landing-card-top { display: flex; align-items: center; justify-content: space-between; font-size: .48rem; text-transform: uppercase; letter-spacing: .14em; color: #cbbd9a; }
.landing-card-top img { width: 88px; height: 35px; object-fit: contain; filter: grayscale(1) sepia(.7); }
.landing-card-top > span:last-child { text-align: right; }
.landing-card-title { font: 2.35rem Georgia, serif; letter-spacing: -.025em; }
.landing-card-subtitle { font-size: .48rem; letter-spacing: .18em; text-transform: uppercase; color: #cbbd9a; }
.landing-card-rule { height: 1px; background: #706441; margin: 9px 0; }
.landing-card-person { display: flex; align-items: center; justify-content: space-between; }
.landing-card-label { display: block; font-size: .47rem; text-transform: uppercase; letter-spacing: .09em; color: #cbbd9a; }
.sb-landing .card3d-name { font: 1.3rem Georgia, serif; margin: 5px 0 2px; }
.landing-card-handle { font-size: .6rem; color: #cbbd9a; }
.landing-card-monogram { width: 52px; height: 52px; border: 3px double #a79361; border-radius: 50%; display: grid; place-items: center; font: 1.3rem Georgia, serif; }
.landing-card-bottom { display: flex; align-items: end; justify-content: space-between; margin-top: 12px; }
.landing-card-bottom strong { font-weight: 400; font-size: .65rem; letter-spacing: .1em; }
.landing-card-valid { font-size: .6rem; letter-spacing: .15em; border: 1px solid #a79361; padding: 4px 8px; }
.landing-card-back-copy { font: italic 1.05rem/1.6 Georgia, serif; margin: 12px 0; }
.sb-landing .barcode { height: 54px; border-radius: 0; }
.landing-card-controls { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin: 24px 10px 0; color: var(--lp-muted); font-size: .6rem; }
.landing-card-controls[hidden] { display: none; }
.landing-card-controls button { background: transparent; color: var(--lp-text); border: 0; border-bottom: 1px solid var(--lp-line); font-size: .65rem; min-width: 44px; min-height: 44px; margin-left: 4px; }
.landing-card-controls button:hover { color: var(--lp-gold); border-color: var(--lp-gold); }
.landing-seal { position: relative; margin: 22px 30px 0 auto; width: 112px; height: 112px; border: 4px double var(--lp-gold); border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--lp-gold); transform: rotate(-14deg); }
.landing-seal::before { content: ''; position: absolute; inset: 6px; border: 1px dotted var(--lp-gold); border-radius: 50%; }
.landing-seal strong { font: 2.1rem Georgia, serif; }
.landing-seal span { font-size: .37rem; text-transform: uppercase; letter-spacing: .08em; }
.landing-exhibit-caption { position: absolute; bottom: 32px; left: 18px; font: italic 1.05rem/1.5 Georgia, serif; color: var(--lp-muted); }
.landing-statement { padding: 76px 0; text-align: center; background: var(--lp-panel); border-block: 1px solid var(--lp-line); }
.landing-statement > div > p:not(.landing-eyebrow) { font-size: clamp(1.6rem, 3vw, 2.6rem); line-height: 1.4; letter-spacing: -.025em; }
.landing-statement > div > span { color: var(--lp-muted); font-size: .8rem; }
.landing-section { padding-block: 100px; scroll-margin-top: 30px; }
.landing-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 50px; }
.sb-landing h2 { font-size: clamp(2.2rem, 3.5vw, 3.2rem); letter-spacing: -.045em; line-height: 1.15; margin-bottom: 20px; }
.landing-section-heading p:last-child,.landing-faq > div > p:last-child,.landing-provisions-grid > div > p:not(.landing-eyebrow) { color: var(--lp-muted); font-size: .85rem; line-height: 1.8; }
.landing-process { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--lp-line); }
.landing-process li { padding: 32px 35px 0; border-right: 1px solid var(--lp-line); }
.landing-process li:first-child { padding-left: 0; }
.landing-process li:last-child { border: 0; padding-right: 0; }
.landing-step-number { display: block; font: italic 2.4rem Georgia, serif; color: var(--lp-gold); margin-bottom: 35px; }
.sb-landing h3 { font-size: 1.5rem; margin-bottom: 8px; }
.landing-subheading { display: block; color: var(--lp-gold); font-size: .62rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 22px; }
.landing-process p,.landing-provision-list p { font-size: .82rem; line-height: 1.85; color: var(--lp-muted); margin: 0; }
.landing-provisions { background: var(--lp-panel); border-block: 1px solid var(--lp-line); padding-block: 90px; scroll-margin-top: 30px; }
.landing-provisions-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 100px; }
.landing-provisions h2 { font-size: clamp(2.8rem, 4.5vw, 4rem); }
.landing-mini-seal { width: 65px; height: 65px; border: 3px double var(--lp-gold); border-radius: 50%; display: grid; place-items: center; font: 1.5rem Georgia, serif; color: var(--lp-gold); margin-top: 35px; }
.landing-provision-list article { display: flex; gap: 28px; border-top: 1px solid var(--lp-line); padding-block: 26px; }
.landing-provision-list article > span { color: var(--lp-gold); font-size: .6rem; padding-top: 6px; }
.landing-provision-list article:last-child { padding-bottom: 0; }
.landing-faq { display: grid; grid-template-columns: 1fr 1.2fr; gap: 100px; }
.landing-faq details { border-bottom: 1px solid var(--lp-line); }
.landing-faq details:first-child { border-top: 1px solid var(--lp-line); }
.landing-faq summary { padding: 23px 30px 23px 0; cursor: pointer; font: 1.1rem Georgia, serif; position: relative; list-style: none; }
.landing-faq summary::-webkit-details-marker { display: none; }
.landing-faq summary::after { content: '+'; position: absolute; right: 0; color: var(--lp-gold); }
.landing-faq details[open] summary::after { content: '−'; }
.landing-faq details p { color: var(--lp-muted); font-size: .83rem; line-height: 1.8; padding-right: 30px; padding-bottom: 15px; }
.landing-closing { text-align: center; padding-block: 75px 85px; border-block: 1px solid var(--lp-line); background: radial-gradient(ellipse at center, color-mix(in srgb, var(--lp-gold) 8%, transparent), transparent 70%); }
.landing-closing-ornament { display: block; color: var(--lp-gold); font-size: 2.6rem; margin-bottom: 20px; }
.landing-closing p:not(.landing-eyebrow) { color: var(--lp-muted); font-size: .9rem; margin-bottom: 30px; }
.landing-closing-note { display: block; color: var(--lp-muted); font-size: .66rem; margin-top: 22px; }
.landing-footer { display: flex; justify-content: space-between; gap: 30px; padding-block: 40px; font-size: .7rem; color: var(--lp-muted); line-height: 1.8; }
.landing-footer-brand { font: 1.5rem Georgia, serif; color: var(--lp-text); }
.landing-footer-brand span { font: .55rem Arial, sans-serif; text-transform: uppercase; letter-spacing: .15em; margin-left: 15px; color: var(--lp-gold); }
.landing-footer p { margin: 15px 0 0; }
.landing-footer > div:last-child { text-align: right; }
.landing-footer small { display: block; }
.landing-footer .landing-text-link { font-size: .7rem; margin-top: 10px; }
@media (prefers-reduced-motion: no-preference) {
  .landing-enter { animation: landing-entrance .75s both; }
  .landing-hero-copy .landing-eyebrow { animation-delay: .08s; }
  .landing-hero-copy h1 { animation-delay: .18s; }
  .landing-intro { animation-delay: .3s; }
  .landing-actions { animation-delay: .4s; }
  .landing-footnote { animation-delay: .5s; }
  .landing-exhibit { animation-delay: .55s; }
  .landing-seal { animation: landing-stamp .45s 1.15s both; }
  .sb-landing [data-reveal].is-pending { opacity: 0; transform: translateY(20px); }
  .sb-landing [data-reveal] { transition: opacity .65s, transform .65s; }
}
@keyframes landing-entrance { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes landing-stamp { from { opacity: 0; transform: rotate(-22deg) scale(1.35); } to { opacity: 1; transform: rotate(-14deg) scale(1); } }
@media (max-width: 1100px) {
  .landing-container,.sb-landing .sb-navbar > .container { width: calc(100% - 64px); }
  .landing-hero-grid { gap: 30px; }
  .sb-landing h1 { font-size: 4rem; }
  .sb-landing .card3d-surface { padding: 20px; }
  .landing-card-title { font-size: 1.9rem; }
  .landing-provisions-grid,.landing-faq { gap: 60px; }
}
@media (max-width: 991.98px) {
  .landing-hero-grid { grid-template-columns: 1fr; gap: 20px; padding-top: 55px; }
  .landing-hero-copy { max-width: 620px; }
  .sb-landing h1 { font-size: clamp(3.5rem, 8vw, 5rem); }
  .landing-intro { max-width: 500px; }
  .landing-exhibit { width: min(100%, 540px); margin: 20px auto 0; }
  .landing-orbit { width: 100%; }
  .sb-landing .card3d-surface { padding: 24px 28px; }
  .landing-card-title { font-size: 2.35rem; }
  .landing-section-heading { display: block; }
  .landing-process li { padding-inline: 22px; }
  .landing-provisions-grid,.landing-faq { gap: 40px; }
}
@media (max-width: 600px) {
  .landing-container,.sb-landing .sb-navbar > .container { width: calc(100% - 40px); }
  .sb-landing .sb-navbar > .container { min-height: 72px; }
  .sb-landing .sb-navbar .sb-logo-nav { height: 62px; }
  .landing-masthead { font-size: .5rem; letter-spacing: .1em; gap: 10px; padding-top: 20px; }
  .landing-hero-grid { padding-top: 40px; padding-bottom: 35px; }
  .sb-landing h1 { font-size: clamp(3rem, 12.2vw, 4.5rem); }
  .landing-eyebrow { font-size: .58rem; }
  .landing-actions { gap: 20px; }
  .landing-button { gap: 22px; padding: 14px 18px; }
  .landing-intro { font-size: .87rem; }
  .landing-exhibit { padding-top: 30px; }
  .landing-exhibit-heading { font-size: .5rem; padding-bottom: 18px; }
  .sb-landing .card3d { aspect-ratio: 1.48; min-height: 230px; }
  .sb-landing .card3d-surface { padding: 18px 20px; }
  .landing-card-title { font-size: clamp(1.7rem, 6vw, 2.35rem); }
  .landing-card-top img { width: 70px; height: 26px; }
  .landing-card-top { font-size: .4rem; }
  .landing-card-subtitle { font-size: .4rem; letter-spacing: .1em; }
  .landing-card-monogram { width: 40px; height: 40px; font-size: 1rem; }
  .sb-landing .card3d-name { font-size: 1.1rem; }
  .landing-card-label { font-size: .42rem; }
  .landing-card-bottom { margin-top: 8px; }
  .landing-card-back-copy { font-size: .87rem; margin: 8px 0; }
  .landing-seal { margin-right: 12px; width: 94px; height: 94px; }
  .landing-seal span { font-size: .32rem; }
  .landing-exhibit-caption { left: 6px; font-size: .9rem; }
  .landing-hero-bottom { align-items: start; font-size: .58rem; }
  .landing-hero-bottom > span { max-width: 180px; }
  .landing-hero-bottom a { white-space: nowrap; font-size: .6rem; padding: 0; }
  .landing-statement { padding-block: 55px; }
  .landing-statement > div > span { font-size: .72rem; }
  .landing-section { padding-block: 65px; }
  .landing-section-heading { margin-bottom: 30px; }
  .landing-process { grid-template-columns: 1fr; }
  .landing-process li,.landing-process li:first-child,.landing-process li:last-child { padding: 28px 0; border: 0; border-bottom: 1px solid var(--lp-line); }
  .landing-step-number { margin-bottom: 15px; }
  .landing-subheading { margin-bottom: 12px; }
  .landing-provisions { padding-block: 60px; }
  .landing-provisions-grid,.landing-faq { grid-template-columns: 1fr; gap: 30px; }
  .landing-mini-seal { display: none; }
  .landing-closing { padding-block: 55px; }
  .landing-footer { flex-direction: column; }
  .landing-footer > div:last-child { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  .sb-landing *, .sb-landing *::before, .sb-landing *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .sb-landing [data-reveal] { opacity: 1 !important; transform: none !important; }
}