/* Exponential Impact Conference 2027 */
:root {
  --night: #081229;
  --deep: #0e1e44;
  --deep-2: #14295a;
  --gold: #e9b04a;
  --gold-soft: #f7dda0;
  --glow: #4fb3f2;
  --ice: #eef2fa;
  --ink: #0a1633;
  --ink-muted: #3d4b6b;
  --on-dark: #ffffff;
  --on-dark-muted: #b4c0dc;
  --line-dark: rgba(255, 255, 255, 0.14);
  --line-light: rgba(10, 22, 51, 0.14);
  --font-display: "Archivo", "Arial Narrow", Arial, sans-serif;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --wrap: 72rem;
  --radius-s: 6px;
  --radius-l: 18px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 100;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--on-dark);
  background: var(--night);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.05; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--gold); color: var(--ink); padding: .6rem 1rem; font-weight: 700; text-decoration: none;
  border-radius: var(--radius-s);
}
.skip-link:focus { top: 1rem; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

/* Type */
.display {
  font-variation-settings: "wdth" 118;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.h1 { font-size: clamp(2.75rem, 7.2vw, 6rem); line-height: .95; }
.h2 { font-size: clamp(2rem, 4.6vw, 3.5rem); line-height: 1; }
.h3 { font-size: 1.35rem; font-variation-settings: "wdth" 110; font-weight: 750; line-height: 1.2; }
.lead {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.2vw, 1.55rem);
  line-height: 1.5;
  max-width: 38ch;
}
.kicker { font-weight: 600; color: var(--gold); margin-bottom: 1rem; font-size: 1.05rem; }
.band--light .kicker { color: #8a5a00; }
.measure { max-width: 62ch; }

/* Buttons (explicit background, cursor, font on every variant) */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 3rem; padding: .8rem 1.5rem;
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  font-variation-settings: "wdth" 105;
  text-decoration: none; line-height: 1.2; text-align: center;
  background: var(--gold); color: var(--ink);
  border: 2px solid var(--gold); border-radius: 999px; cursor: pointer;
  transition: background-color .2s, border-color .2s, color .2s;
}
.btn:hover { background: var(--gold-soft); border-color: var(--gold-soft); }
.btn--ghost { background: transparent; color: var(--on-dark); border-color: rgba(255, 255, 255, .7); }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }
.band--light .btn--ghost { color: var(--ink); border-color: var(--ink); }
.band--light .btn--ghost:hover { background: rgba(10, 22, 51, .06); }
.btn-row { display: flex; flex-wrap: wrap; gap: .85rem; }
.text-link { font-weight: 700; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .2em; text-decoration-color: var(--gold); }
.text-link:hover { color: var(--gold-soft); }
.band--light .text-link:hover { color: var(--deep-2); }

/* Early bird bar */
.promo {
  background: var(--gold); color: var(--ink); text-align: center;
  font-size: .95rem; font-weight: 600; padding: .55rem 1rem;
}
.promo a { font-weight: 800; }
.promo[hidden] { display: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8, 18, 41, .92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-dark);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.5rem; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.brand img { width: 72px; height: 48px; object-fit: contain; }
.brand-name { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name strong { font-variation-settings: "wdth" 115; font-weight: 800; font-size: 1.05rem; letter-spacing: -.01em; }
.brand-name span { font-size: .8rem; color: var(--on-dark-muted); }
.nav-toggle {
  display: none; background: transparent; color: var(--on-dark); font-family: var(--font-display);
  border: 1px solid rgba(255, 255, 255, .5); border-radius: var(--radius-s); padding: .5rem .8rem; font-size: .95rem; font-weight: 600; cursor: pointer;
}
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 1.4rem; }
.site-nav a { text-decoration: none; font-weight: 600; font-size: .98rem; padding: .3rem 0; }
.site-nav a:not(.btn):hover, .site-nav a[aria-current="page"] { color: var(--gold); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--gold); }
.site-nav .btn { min-height: 2.6rem; padding: .55rem 1.2rem; }

@media (max-width: 960px) {
  .nav-toggle { display: inline-block; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--night); border-bottom: 1px solid var(--line-dark); }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 1.25rem 1.25rem; }
  .site-nav li a:not(.btn) { display: block; padding: .85rem 0; border-bottom: 1px solid var(--line-dark); }
  .site-nav a[aria-current="page"] { box-shadow: none; }
  .site-nav .btn { margin-top: 1rem; width: 100%; }
}

/* Bands */
.band { padding-block: clamp(4rem, 9vw, 7.5rem); position: relative; }
.band--deep { background: var(--deep); }
.band--light { background: var(--ice); color: var(--ink); }
.band--light .muted { color: var(--ink-muted); }
.muted { color: var(--on-dark-muted); }
.section-head { margin-bottom: clamp(2rem, 5vw, 3.5rem); max-width: 46rem; }
.section-head .h2 + p { margin-top: 1.1rem; }

/* Hero */
.hero { position: relative; overflow: hidden; padding-block: clamp(3.5rem, 8vw, 6rem) clamp(3rem, 6vw, 4.5rem); }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60rem 40rem at 78% 45%, rgba(79, 179, 242, .16), transparent 60%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr 1fr; gap: 2rem; align-items: center; }
.hero h1 { margin: .4rem 0 1.5rem; }
.hero .lead { margin-bottom: 1.25rem; }
.hero-body { max-width: 34rem; color: var(--on-dark-muted); }
.facts { display: flex; flex-wrap: wrap; gap: .75rem 2rem; margin: 1.75rem 0 2rem; padding: 0; }
.facts div { display: flex; flex-direction: column; }
.facts dt { font-size: .85rem; color: var(--on-dark-muted); }
.facts dd { margin: 0; font-weight: 700; font-size: 1.05rem; }
.hero-secondary { margin-top: 1.25rem; }

/* Ripple: the one orchestrated moment */
.ripple { position: relative; aspect-ratio: 1; width: min(100%, 34rem); margin-inline: auto; display: grid; place-items: center; }
.ripple .ring {
  position: absolute; border-radius: 50%; border: 1.5px solid rgba(233, 176, 74, .5);
  inset: var(--i);
  animation: ripple-in 1.4s cubic-bezier(.2, .7, .2, 1) both;
  animation-delay: var(--d);
}
.ripple .ring:nth-child(even) { border-color: rgba(79, 179, 242, .35); }
.ripple img { position: relative; width: 92%; filter: drop-shadow(0 0 40px rgba(79, 179, 242, .35)); animation: logo-in 1s ease-out both; }
@keyframes ripple-in { from { transform: scale(.55); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes logo-in { from { transform: scale(.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* Countdown */
.countdown { display: flex; justify-content: center; gap: .75rem; margin-top: 2.5rem; }
.split .countdown { justify-content: flex-start; margin-top: 0; }
.countdown div {
  min-width: 5.5rem; padding: .85rem 1rem; text-align: center;
  border: 1px solid var(--line-dark); border-radius: var(--radius-s); background: rgba(255, 255, 255, .04);
}
.countdown strong { display: block; font-size: 2.1rem; font-variation-settings: "wdth" 118; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.countdown span { font-size: .85rem; color: var(--on-dark-muted); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .ripple { width: min(80%, 22rem); order: -1; }
}

/* Page hero (interior pages) */
.page-hero { padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4rem); position: relative; overflow: hidden; border-bottom: 1px solid var(--line-dark); }
.page-hero::after {
  content: ""; position: absolute; right: -14rem; top: 50%; width: 40rem; aspect-ratio: 1; transform: translateY(-50%);
  border-radius: 50%; pointer-events: none;
  background: repeating-radial-gradient(circle, transparent 0 calc(3.5rem - 1.5px), rgba(233, 176, 74, .35) calc(3.5rem - 1.5px) 3.5rem);
  -webkit-mask-image: radial-gradient(circle, #000 35%, transparent 70%);
  mask-image: radial-gradient(circle, #000 35%, transparent 70%);
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { margin-bottom: 1.25rem; max-width: 16ch; }
.page-hero .lead { color: var(--on-dark-muted); }

/* Ripple steps */
.steps-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.rings-figure { width: 100%; max-width: 26rem; margin-inline: auto; }
.rings-figure text { font-family: var(--font-display); font-weight: 700; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 3.5rem 1fr; gap: 1rem; padding: 1.4rem 0; border-top: 1px solid var(--line-light); }
.steps li:last-child { border-bottom: 1px solid var(--line-light); }
.steps .num { font-variation-settings: "wdth" 118; font-weight: 800; font-size: 1.6rem; color: #8a5a00; line-height: 1.2; }
.steps h3 { margin-bottom: .35rem; }
.steps p { margin: 0; color: var(--ink-muted); }
@media (max-width: 800px) { .steps-grid { grid-template-columns: 1fr; } .rings-figure { max-width: 18rem; } }

/* Day timeline */
.day { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); position: relative; }
.day::before { content: ""; position: absolute; left: 0; right: 0; top: .55rem; height: 2px; background: linear-gradient(90deg, var(--gold), var(--glow)); }
.day li { position: relative; padding: 2.25rem 1.5rem 0 0; }
.day li::before { content: ""; position: absolute; left: 0; top: 0; width: 1.15rem; height: 1.15rem; border-radius: 50%; background: var(--night); border: 3px solid var(--gold); }
.band--deep .day li::before { background: var(--deep); }
.day time { display: block; color: var(--gold); font-weight: 700; margin-bottom: .4rem; }
.day h3 { margin-bottom: .5rem; }
.day p { color: var(--on-dark-muted); margin: 0; }
@media (max-width: 760px) {
  .day { grid-template-columns: 1fr; }
  .day::before { left: .5rem; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: linear-gradient(180deg, var(--gold), var(--glow)); }
  .day li { padding: 0 0 2rem 2.5rem; }
}

/* Speakers */
.speakers { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 2rem; }
.speaker figure { margin: 0 0 1.1rem; aspect-ratio: 1; overflow: hidden; border-radius: var(--radius-l); background: var(--deep-2); }
.speaker img { width: 100%; height: 100%; object-fit: cover; }
.speaker .role { color: var(--gold); font-weight: 600; font-size: .95rem; margin-bottom: .3rem; }
.band--light .speaker .role { color: #8a5a00; }
.speaker h3 { margin-bottom: .6rem; }
.speaker p { color: var(--on-dark-muted); }
.band--light .speaker p { color: var(--ink-muted); }
.speaker--soon { border: 1.5px dashed rgba(233, 176, 74, .55); border-radius: var(--radius-l); padding: 2rem; display: flex; flex-direction: column; justify-content: center; min-height: 18rem; }
.band--light .speaker--soon { border-color: rgba(138, 90, 0, .5); }

.speaker-feature { display: grid; grid-template-columns: minmax(0, 300px) 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; padding-block: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line-dark); }
.speaker-feature:first-of-type { border-top: 0; padding-top: 0; }
.speaker-feature figure { margin: 0; aspect-ratio: 1; max-width: 300px; border-radius: var(--radius-l); overflow: hidden; background: var(--deep-2); }
.speaker-feature img { width: 100%; height: 100%; object-fit: cover; }
.speaker-feature .h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); margin-bottom: 1.25rem; }
.speaker-feature p { color: var(--on-dark-muted); max-width: 60ch; }
.tag-list { list-style: none; margin: 1.25rem 0 1.5rem; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.tag-list li { border: 1px solid var(--line-dark); border-radius: 999px; padding: .3rem .85rem; font-size: .9rem; }
@media (max-width: 760px) { .speaker-feature { grid-template-columns: 1fr; } .speaker-feature figure { max-width: 20rem; } }

/* Book */
.book-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.book-cover { position: relative; max-width: 300px; margin-inline: auto; }
.book-cover img { border-radius: 4px 10px 10px 4px; box-shadow: 0 30px 60px rgba(0, 0, 0, .45), 0 0 0 1px rgba(255, 255, 255, .06); transform: rotate(-3deg); }
.book-cover::before { content: ""; position: absolute; inset: -12%; border-radius: 50%; background: radial-gradient(circle, rgba(233, 176, 74, .25), transparent 65%); }
.book-cover img { position: relative; }
.book-sub { font-family: var(--font-serif); font-style: italic; font-size: 1.35rem; color: var(--gold-soft); margin: .6rem 0 1.4rem; }
@media (max-width: 800px) { .book-grid { grid-template-columns: 1fr; } .book-cover { max-width: 15rem; } }

/* Tickets */
.tickets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; max-width: 56rem; }
.ticket { position: relative; border-radius: var(--radius-l); padding: clamp(1.75rem, 4vw, 2.5rem); background: #fff; color: var(--ink); border: 1px solid var(--line-light); display: flex; flex-direction: column; }
.ticket--featured { background: var(--deep); color: var(--on-dark); border-color: var(--gold); }
.ticket .badge { position: absolute; top: -.85rem; left: 1.75rem; background: var(--gold); color: var(--ink); font-weight: 700; font-size: .85rem; padding: .25rem .8rem; border-radius: 999px; }
.ticket h3 { margin-bottom: 1rem; }
.price { display: flex; align-items: baseline; gap: .75rem; flex-wrap: wrap; }
.price strong { font-variation-settings: "wdth" 118; font-weight: 800; font-size: 3.4rem; line-height: 1; }
.price s { color: var(--ink-muted); font-size: 1.15rem; }
.ticket--featured .price s { color: var(--on-dark-muted); }
.price-note { margin: .6rem 0 1.4rem; font-weight: 600; color: #8a5a00; }
.ticket--featured .price-note { color: var(--gold); }
.checks { list-style: none; padding: 0; margin: 0 0 1.75rem; flex: 1; }
.checks li { position: relative; padding: .45rem 0 .45rem 1.9rem; }
.checks li::before { content: ""; position: absolute; left: .1rem; top: .85rem; width: .9rem; height: .5rem; border-left: 2.5px solid #8a5a00; border-bottom: 2.5px solid #8a5a00; transform: rotate(-45deg); }
.ticket--featured .checks li::before, .band--deep .checks li::before, .band:not(.band--light) .checks li::before { border-color: var(--gold); }
.band--light .ticket:not(.ticket--featured) .checks li::before { border-color: #8a5a00; }
.ticket .btn { width: 100%; }
.band--light .ticket .btn--ghost { color: var(--ink); }
@media (max-width: 720px) { .tickets { grid-template-columns: 1fr; } }

/* Sponsors */
.packages { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1.25rem; }
.package { border: 1px solid var(--line-dark); border-radius: var(--radius-l); padding: 1.75rem; background: rgba(255, 255, 255, .03); display: flex; flex-direction: column; }
.package--top { border-color: var(--gold); background: linear-gradient(160deg, rgba(233, 176, 74, .14), rgba(255, 255, 255, .02) 60%); }
.package .tier { font-size: .9rem; color: var(--on-dark-muted); margin-bottom: .5rem; }
.package h3 { margin-bottom: .75rem; }
.package .amount { font-variation-settings: "wdth" 118; font-weight: 800; font-size: 2.3rem; line-height: 1; color: var(--gold); margin-bottom: 1rem; }
.package p { color: var(--on-dark-muted); margin: 0; }
.package p strong { color: var(--on-dark); }
.includes { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 3rem; }
.includes > div { background: #fff; color: var(--ink); border-radius: var(--radius-l); padding: clamp(1.5rem, 4vw, 2.25rem); }
.includes h3 { margin-bottom: 1rem; }
@media (max-width: 760px) { .includes { grid-template-columns: 1fr; } }

.form-slot {
  border: 2px dashed rgba(10, 22, 51, .35); border-radius: var(--radius-l); padding: 2.5rem; text-align: center; color: var(--ink-muted); background: #fff;
}

/* Split / CTA */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
@media (max-width: 800px) { .split { grid-template-columns: 1fr; } }
.cta-band { text-align: center; overflow: hidden; }
.cta-band .wrap { position: relative; display: flex; flex-direction: column; align-items: center; }
.cta-band .h2 { max-width: 18ch; margin-bottom: 1rem; font-size: clamp(2.25rem, 5.5vw, 4.25rem); }
.cta-band p { color: var(--on-dark-muted); margin-bottom: 2rem; }
.cta-band::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 46rem; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%;
  border: 1px solid rgba(233, 176, 74, .25); box-shadow: 0 0 0 6rem rgba(79, 179, 242, .04), 0 0 0 12rem rgba(79, 179, 242, .03); pointer-events: none;
}

.heritage { display: grid; grid-template-columns: auto 1fr; gap: 1.5rem 2.5rem; align-items: start; max-width: 54rem; }
.heritage .year { font-variation-settings: "wdth" 118; font-weight: 800; font-size: clamp(1.4rem, 3vw, 1.9rem); line-height: 1.15; color: var(--gold); max-width: 11ch; }
@media (max-width: 640px) { .heritage { grid-template-columns: 1fr; } }

/* Agenda page */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; max-width: 52rem; }
.timeline::before { content: ""; position: absolute; left: 9.5rem; top: .5rem; bottom: .5rem; width: 2px; background: linear-gradient(180deg, var(--gold), var(--glow)); }
.timeline > li { display: grid; grid-template-columns: 8rem 1fr; gap: 3rem; padding-bottom: 3rem; position: relative; }
.timeline > li::before { content: ""; position: absolute; left: calc(9.5rem - .5rem); top: .35rem; width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--night); border: 3px solid var(--gold); }
.timeline time { font-weight: 700; color: var(--gold); line-height: 1.4; text-align: right; }
.timeline h2 { font-size: 1.6rem; font-variation-settings: "wdth" 112; font-weight: 800; margin-bottom: .6rem; }
.timeline p { color: var(--on-dark-muted); }
.timeline ul { color: var(--on-dark-muted); padding-left: 1.2rem; margin: 0; }
.timeline ul li { margin-bottom: .35rem; }
@media (max-width: 640px) {
  .timeline::before { left: .5rem; }
  .timeline > li { grid-template-columns: 1fr; gap: .4rem; padding-left: 2.25rem; }
  .timeline > li::before { left: 0; }
  .timeline time { text-align: left; }
}

/* Venue */
.venue-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 5vw, 4rem); align-items: stretch; }
.venue-card address { font-style: normal; font-size: 1.35rem; font-weight: 700; line-height: 1.4; margin: 1rem 0 1.5rem; }
.map { border-radius: var(--radius-l); overflow: hidden; min-height: 22rem; border: 1px solid var(--line-light); background: #dfe5f1; }
.map iframe { width: 100%; height: 100%; min-height: 22rem; border: 0; display: block; }
@media (max-width: 800px) { .venue-grid { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 52rem; }
.faq details { border-top: 1px solid var(--line-light); }
.faq details:last-of-type { border-bottom: 1px solid var(--line-light); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.35rem 3rem 1.35rem 0; position: relative;
  font-weight: 700; font-size: 1.2rem; font-variation-settings: "wdth" 108;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: .5rem; top: 50%; width: .7rem; height: .7rem; border-right: 2.5px solid currentColor; border-bottom: 2.5px solid currentColor; transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details > div { padding: 0 0 1.5rem; max-width: 62ch; color: var(--ink-muted); }
.band:not(.band--light) .faq details { border-color: var(--line-dark); }
.band:not(.band--light) .faq details > div { color: var(--on-dark-muted); }

/* Footer */
.site-footer { background: #050c1d; color: var(--on-dark-muted); padding-block: 4rem 2rem; border-top: 1px solid var(--line-dark); font-size: .98rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
.footer-grid h2 { font-size: 1rem; color: #fff; margin-bottom: 1rem; font-variation-settings: "wdth" 105; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: .5rem; }
.footer-grid a { text-decoration: none; }
.footer-grid a:hover { color: #fff; text-decoration: underline; }
.footer-brand img { width: 144px; height: auto; margin-bottom: 1rem; }
.footer-brand strong { display: block; color: #fff; font-size: 1.25rem; font-variation-settings: "wdth" 115; margin-bottom: .25rem; }
.footer-bottom { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line-dark); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: .9rem; }
.footer-bottom ul { list-style: none; display: flex; flex-wrap: wrap; gap: 1.25rem; margin: 0; padding: 0; }
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { color: #fff; text-decoration: underline; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
.band .includes .checks li::before { border-color: #8a5a00; }

.formula { display: flex; flex-direction: column; gap: .35rem; margin: 1.75rem 0 0; padding: 1.1rem 1.4rem; border-left: 3px solid var(--gold); background: rgba(255, 255, 255, .04); max-width: 30rem; }
.formula-eq { font-family: var(--font-serif); font-style: italic; font-size: 1.6rem; color: #fff; }
.formula-eq sup { color: var(--gold); }
.formula-key { font-size: .95rem; color: var(--on-dark-muted); }

/* Ripple diagram hover: thicken the matching ring, turn "You" gold */
.rings-figure text { text-anchor: middle; font-size: 12px; fill: var(--ink); pointer-events: none; }
.rings-figure .ring-line { fill: none; stroke-width: 2; transition: stroke-width .2s ease, stroke-opacity .2s ease; }
.rings-figure .ring-pill { fill: var(--gold); transition: fill .2s ease; }
.rings-figure .ring-group:hover .ring-line { stroke-width: 5; stroke-opacity: 1; }
.rings-figure .ring-group:hover .ring-pill { fill: var(--gold-soft); }
.rings-figure .ring-you circle { fill: var(--deep); transition: fill .2s ease; }
.rings-figure .ring-you text { fill: #fff; font-size: 16px; transition: fill .2s ease; }
.rings-figure .ring-you:hover circle { fill: var(--gold); }
.rings-figure .ring-you:hover text { fill: var(--ink); }