.shell {
  --ink: #050811;
  --ink-soft: #0a101c;
  --paper: #f2f4f8;
  --paper-warm: #eee9df;
  --gold: #d6ad62;
  --gold-dark: #8a5e1d;
  --ice: #a9e4ff;
  --violet: #9d8cff;
  min-height: 100vh;
  overflow: hidden;
  background: var(--ink);
  color: #f8fbff;
}

.soundtrack {
  position: fixed;
  z-index: 50;
  bottom: calc(1rem + env(safe-area-inset-bottom));
  left: clamp(1rem, 2.5vw, 2rem);
  width: min(21rem, calc(100vw - 2rem));
  overflow: hidden;
  border: 1px solid rgb(201 226 255 / 22%);
  border-radius: 1rem;
  background: linear-gradient(135deg, rgb(5 10 20 / 91%), rgb(12 23 40 / 82%));
  box-shadow: 0 1.2rem 4rem rgb(0 0 0 / 38%), inset 0 1px rgb(255 255 255 / 7%);
  backdrop-filter: blur(22px) saturate(1.3);
}

.soundtrackButton {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: .85rem;
  align-items: center;
  width: 100%;
  padding: .8rem .9rem .62rem;
  border: 0;
  background: transparent;
  color: #f7fbff;
  cursor: pointer;
  text-align: left;
}

.soundtrackButton:focus-visible { outline: 2px solid var(--ice); outline-offset: -3px; }
.soundtrackGlyph { display: flex; gap: 2px; align-items: end; justify-content: center; width: 1.55rem; height: 1.55rem; padding: .32rem; border: 1px solid rgb(214 173 98 / 40%); border-radius: 50%; }
.soundtrackGlyph i { width: 2px; height: 55%; border-radius: 99px; background: var(--gold); transform-origin: bottom; }
.soundtrackGlyph i:nth-child(2) { height: 85%; animation-delay: -.34s; }
.soundtrackGlyph i:nth-child(3) { height: 68%; animation-delay: -.62s; }
.soundtrack[data-playback="playing"] .soundtrackGlyph i { animation: soundtrackPulse .9s ease-in-out infinite alternate; }
.soundtrackCopy { display: grid; gap: .16rem; min-width: 0; }
.soundtrackCopy strong { color: var(--gold); font-family: var(--font-geist-mono), monospace; font-size: .53rem; font-weight: 680; letter-spacing: .13em; }
.soundtrackCopy small { overflow: hidden; color: rgb(238 245 255 / 85%); font-family: Georgia, "Times New Roman", serif; font-size: .88rem; text-overflow: ellipsis; white-space: nowrap; }
.soundtrackAction { color: rgb(228 239 253 / 74%); font-size: .7rem; }
.soundtrack > a { display: block; padding: .42rem .9rem .52rem 3.3rem; border-top: 1px solid rgb(255 255 255 / 8%); color: rgb(218 230 245 / 48%); font-size: .52rem; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.soundtrack > a:hover { color: rgb(238 246 255 / 82%); }

.nav {
  position: absolute;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.4rem clamp(1.25rem, 4vw, 4.5rem);
  color: #fff;
}

.brand {
  color: inherit;
  font-size: .93rem;
  font-weight: 720;
  letter-spacing: .3em;
  text-decoration: none;
}

.brand span { color: var(--gold); }
.navLine { height: 1px; background: linear-gradient(90deg, rgb(255 255 255 / 25%), transparent); }
.navLink { color: rgb(255 255 255 / 72%); font-size: .72rem; letter-spacing: .14em; text-decoration: none; text-transform: uppercase; }

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  padding: 7.5rem clamp(1.25rem, 6vw, 7rem) 4rem;
}

.heroImage,
.heroShade,
.heroGrid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.heroImage { z-index: -4; object-fit: cover; object-position: center; animation: breathe 16s ease-in-out infinite alternate; }
.heroShade {
  z-index: -3;
  background:
    linear-gradient(90deg, rgb(3 6 14 / 95%) 0%, rgb(3 6 14 / 72%) 38%, rgb(3 6 14 / 10%) 74%),
    linear-gradient(0deg, rgb(3 6 14 / 95%) 0%, transparent 36%, rgb(3 6 14 / 30%) 100%);
}
.heroGrid {
  z-index: -2;
  opacity: .14;
  background-image: linear-gradient(rgb(255 255 255 / 14%) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 10%) 1px, transparent 1px);
  background-size: 5rem 5rem;
  mask-image: linear-gradient(90deg, #000, transparent 66%);
}

.heroCopy { width: min(48rem, 61vw); }
.eyebrow,
.sectionIndex,
.releaseNote,
.artMark {
  font-family: var(--font-geist-mono), monospace;
  text-transform: uppercase;
}
.eyebrow { margin: 0 0 1.7rem; color: var(--gold); font-size: .68rem; font-weight: 650; letter-spacing: .24em; }
.hero h1 { max-width: 10ch; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(4rem, 7.6vw, 8.2rem); font-weight: 400; line-height: .82; letter-spacing: -.065em; }
.hero h1 span { display: block; color: transparent; font-style: italic; -webkit-text-stroke: 1px rgb(220 235 255 / 65%); }
.heroLead { max-width: 40rem; margin: 2.2rem 0 0; color: rgb(235 242 255 / 78%); font-size: clamp(1rem, 1.45vw, 1.25rem); line-height: 1.65; }
.heroLead strong { color: #fff; font-weight: 650; }
.heroActions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.3rem; }
.primaryAction,
.secondaryAction { display: inline-flex; align-items: center; gap: .7rem; padding: .92rem 1.2rem; border: 1px solid rgb(255 255 255 / 20%); border-radius: 999px; font-size: .78rem; letter-spacing: .08em; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.primaryAction { background: #eef7ff; color: #07111f; }
.secondaryAction { color: #fff; backdrop-filter: blur(18px); background: rgb(8 17 32 / 42%); }
.primaryAction:hover,
.secondaryAction:hover { transform: translateY(-2px); }
.releaseNote { margin: 1.35rem 0 0; color: rgb(226 236 249 / 52%); font-size: .56rem; line-height: 1.6; letter-spacing: .11em; }
.artMark { position: absolute; right: clamp(1.25rem, 3vw, 3rem); bottom: 1.2rem; margin: 0; color: rgb(255 255 255 / 38%); font-size: .52rem; letter-spacing: .12em; }

.sectionIndex { margin: 0 0 2rem; color: var(--gold-dark); font-size: .64rem; letter-spacing: .22em; }

.intro {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(3rem, 8vw, 9rem);
  padding: clamp(6rem, 11vw, 11rem) clamp(1.25rem, 7vw, 8rem);
  background: var(--paper);
  color: #111827;
}
.intro h2,
.explainer h2,
.modelSection h2,
.privacySection h2,
.choiceSection h2,
.proofSection h2,
.sources h2,
.finalCall h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.055em;
}
.intro h2 { font-size: clamp(3.4rem, 6.8vw, 7rem); line-height: .86; }
.intro h2 em { color: var(--gold-dark); }
.introCopy { align-self: end; }
.introCopy > p { max-width: 43rem; color: #4b5563; font-size: 1rem; line-height: 1.78; }
.introCopy .introLead { color: #111827; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.6rem, 3vw, 2.7rem); line-height: 1.16; letter-spacing: -.025em; }
.facts { margin: 3rem 0 0; padding: 0; border-top: 1px solid rgb(17 24 39 / 18%); list-style: none; }
.facts li { display: grid; grid-template-columns: .42fr 1fr; gap: 1.5rem; padding: 1.2rem 0; border-bottom: 1px solid rgb(17 24 39 / 18%); }
.facts strong { color: var(--gold-dark); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.facts span { color: #4b5563; font-size: .9rem; line-height: 1.5; }

.explainer {
  display: grid;
  grid-template-columns: minmax(20rem, .82fr) 1.18fr;
  min-height: 58rem;
  background: #0a101a;
}
.portraitArt,
.modelArt,
.wideArt,
.bridgeArt { position: relative; margin: 0; overflow: hidden; }
.portraitArt img { width: 100%; height: 100%; object-fit: cover; }
.portraitArt::after,
.modelArt::after,
.wideArt::after,
.bridgeArt::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 0 0 1px rgb(255 255 255 / 8%); }
.portraitArt figcaption,
.modelArt figcaption,
.wideArt figcaption,
.bridgeArt figcaption { position: absolute; z-index: 2; right: 1rem; bottom: 1rem; left: 1rem; color: rgb(255 255 255 / 52%); font-family: var(--font-geist-mono), monospace; font-size: .54rem; letter-spacing: .12em; text-transform: uppercase; }
.portraitArt::before { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(0deg, rgb(3 7 14 / 88%), transparent 40%); }
.explainerCopy { align-self: center; max-width: 53rem; padding: clamp(5rem, 9vw, 10rem) clamp(1.5rem, 7vw, 8rem); }
.explainerCopy .sectionIndex { color: var(--gold); }
.explainer h2 { max-width: 12ch; font-size: clamp(3rem, 5.5vw, 6.3rem); line-height: .92; }
.explainer h2 em { color: var(--ice); font-weight: 400; }
.largeCopy { max-width: 43rem; margin: 2.5rem 0 0; color: rgb(226 235 248 / 72%); font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.35rem, 2.1vw, 2rem); line-height: 1.4; }
.analogy { display: grid; grid-template-columns: 7rem 1fr; column-gap: 1.5rem; margin-top: 3rem; border-top: 1px solid rgb(255 255 255 / 12%); }
.analogy span,
.analogy p { margin: 0; padding: 1.05rem 0; border-bottom: 1px solid rgb(255 255 255 / 12%); }
.analogy span { color: var(--gold); font-size: .65rem; font-weight: 700; letter-spacing: .12em; }
.analogy p { color: rgb(235 241 250 / 60%); font-size: .88rem; line-height: 1.55; }
.sourceLink { display: inline-flex; gap: .7rem; align-items: center; margin-top: 2rem; color: #fff; font-size: .74rem; letter-spacing: .06em; text-decoration: none; border-bottom: 1px solid rgb(255 255 255 / 25%); padding-bottom: .45rem; }
.sourceLink span { color: var(--gold); }

.modelSection {
  position: relative;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  align-items: center;
  min-height: 52rem;
  overflow: hidden;
  background: #e9e6df;
  color: #15181e;
}
.modelGlow { position: absolute; top: -15rem; left: -15rem; width: 38rem; height: 38rem; border-radius: 50%; background: #d8a952; opacity: .13; filter: blur(50px); }
.modelCopy { position: relative; z-index: 2; padding: clamp(5rem, 9vw, 10rem) clamp(1.5rem, 5vw, 6.5rem); }
.modelSection h2 { font-size: clamp(3.4rem, 6vw, 7rem); line-height: .84; }
.modelSection h2 strong { color: var(--gold-dark); font-weight: 400; }
.modelCopy > p { max-width: 39rem; color: #555b65; font-size: .98rem; line-height: 1.76; }
.modelCopy > p:first-of-type { margin-top: 2.5rem; color: #242933; font-size: 1.15rem; }
.modelCopy .sourceLink { color: #171b22; border-color: rgb(23 27 34 / 28%); }
.modelArt { align-self: stretch; min-height: 47rem; }
.modelArt img { width: 100%; height: 100%; object-fit: cover; }
.modelArt::before { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, #e9e6df 0%, transparent 24%), linear-gradient(0deg, rgb(4 7 13 / 70%), transparent 35%); }

.privacySection { position: relative; background: #07101c; }
.wideArt { height: min(72vw, 57rem); min-height: 34rem; }
.wideArt img { width: 100%; height: 100%; object-fit: cover; }
.wideArt::before { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(0deg, #07101c 0%, transparent 54%), linear-gradient(90deg, rgb(4 9 17 / 55%), transparent 60%); }
.privacyCopy { position: relative; z-index: 3; display: grid; grid-template-columns: .75fr 1.25fr; column-gap: clamp(2rem, 7vw, 8rem); margin-top: clamp(-11rem, -13vw, -7rem); padding: 0 clamp(1.25rem, 7vw, 8rem) clamp(6rem, 10vw, 10rem); }
.privacyCopy .sectionIndex { grid-column: 1 / -1; color: var(--gold); }
.privacyCopy > h2 { font-size: clamp(3rem, 5.3vw, 6rem); line-height: .9; }
.privacyCopy > h2 em { color: var(--ice); font-weight: 400; }
.privacyCopy > p { align-self: end; max-width: 44rem; margin: 0; color: rgb(228 236 248 / 70%); font-size: 1rem; line-height: 1.76; }
.benefitGrid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 4.5rem; border-top: 1px solid rgb(255 255 255 / 15%); border-left: 1px solid rgb(255 255 255 / 15%); }
.benefitGrid article { min-height: 15rem; padding: 1.4rem; border-right: 1px solid rgb(255 255 255 / 15%); border-bottom: 1px solid rgb(255 255 255 / 15%); }
.benefitGrid article > span { color: var(--gold); font-family: var(--font-geist-mono), monospace; font-size: .6rem; letter-spacing: .16em; }
.benefitGrid h3 { margin: 4.2rem 0 .7rem; font-family: Georgia, "Times New Roman", serif; font-size: 1.5rem; font-weight: 400; }
.benefitGrid p { margin: 0; color: rgb(228 236 248 / 56%); font-size: .82rem; line-height: 1.6; }
.privacyCopy > small { grid-column: 1 / -1; margin-top: 1rem; color: rgb(228 236 248 / 45%); font-size: .67rem; letter-spacing: .04em; }

.choiceSection {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  background: var(--paper);
  color: #141923;
}
.choiceHeader { padding: clamp(6rem, 10vw, 11rem) clamp(1.25rem, 6vw, 7rem) 4rem; }
.choiceHeader h2 { max-width: 11ch; font-size: clamp(3.2rem, 5.8vw, 6.8rem); line-height: .88; }
.choiceHeader h2 em { color: var(--gold-dark); font-weight: 400; }
.choiceHeader > p:last-child { max-width: 39rem; margin: 2.4rem 0 0; color: #555d69; line-height: 1.75; }
.bridgeArt { grid-row: 1 / span 2; grid-column: 2; min-height: 57rem; }
.bridgeArt img { width: 100%; height: 100%; object-fit: cover; }
.bridgeArt::before { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, var(--paper) 0%, transparent 20%), linear-gradient(0deg, rgb(4 7 13 / 77%), transparent 39%); }
.modeCards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; padding: 0 0 clamp(6rem, 9vw, 9rem) clamp(1.25rem, 6vw, 7rem); background: rgb(20 25 35 / 18%); }
.modeCards article { position: relative; min-height: 22rem; padding: 1.5rem; background: var(--paper); }
.modeNumber { display: grid; place-items: center; width: 2rem; height: 2rem; border: 1px solid rgb(20 25 35 / 28%); border-radius: 50%; color: var(--gold-dark); font-family: Georgia, serif; font-style: italic; }
.modeCards article > p { margin: 4.5rem 0 .55rem; color: var(--gold-dark); font-size: .6rem; font-weight: 700; letter-spacing: .15em; }
.modeCards h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 1.5rem; font-weight: 400; }
.modeCards ul { margin: 1.5rem 0 0; padding: 0; color: #606774; font-size: .76rem; line-height: 1.55; list-style: none; }
.modeCards li { padding: .5rem 0; border-top: 1px solid rgb(20 25 35 / 12%); }

.proofSection { padding: clamp(6rem, 11vw, 12rem) clamp(1.25rem, 7vw, 8rem); background: #070b12; }
.proofSection .sectionIndex { color: var(--gold); }
.proofIntro { display: grid; grid-template-columns: .8fr 1.2fr; column-gap: clamp(2rem, 8vw, 9rem); }
.proofIntro .sectionIndex { grid-column: 1 / -1; }
.proofIntro h2 { font-size: clamp(3.4rem, 6vw, 7rem); line-height: .86; }
.proofIntro h2 em { color: var(--gold); font-weight: 400; }
.proofIntro > p:last-child { align-self: end; max-width: 43rem; margin: 0; color: rgb(230 237 247 / 66%); line-height: 1.78; }
.proofList { display: grid; grid-template-columns: repeat(3, 1fr); margin: 5rem 0 0; border-top: 1px solid rgb(255 255 255 / 14%); border-left: 1px solid rgb(255 255 255 / 14%); }
.proofList div { min-height: 10rem; padding: 1.5rem; border-right: 1px solid rgb(255 255 255 / 14%); border-bottom: 1px solid rgb(255 255 255 / 14%); }
.proofList dt { color: var(--gold); font-size: .6rem; font-weight: 700; letter-spacing: .15em; }
.proofList dd { max-width: 20rem; margin: 2.8rem 0 0; color: rgb(237 243 252 / 78%); font-family: Georgia, "Times New Roman", serif; font-size: 1.18rem; line-height: 1.35; }
.releasePanel { display: grid; grid-template-columns: auto 1fr; gap: 1.3rem; margin-top: 3rem; padding: 1.6rem; border: 1px solid rgb(214 173 98 / 32%); background: linear-gradient(120deg, rgb(214 173 98 / 10%), transparent); }
.liveDot { width: .65rem; height: .65rem; margin-top: .25rem; border-radius: 50%; background: #8ce5ba; box-shadow: 0 0 1.1rem #8ce5ba; }
.releasePanel p { margin: 0 0 .7rem; color: #8ce5ba; font-size: .6rem; font-weight: 700; letter-spacing: .14em; }
.releasePanel h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.5rem, 2.5vw, 2.4rem); font-weight: 400; }
.releasePanel div > span { display: block; max-width: 50rem; margin-top: .8rem; color: rgb(232 239 249 / 56%); font-size: .83rem; line-height: 1.65; }

.sources { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(3rem, 9vw, 10rem); padding: clamp(6rem, 9vw, 9rem) clamp(1.25rem, 7vw, 8rem); background: var(--paper-warm); color: #16191e; }
.sources h2 { max-width: 9ch; font-size: clamp(3rem, 5vw, 5.8rem); line-height: .9; }
.sources ul { margin: 0; padding: 0; border-top: 1px solid rgb(22 25 30 / 18%); list-style: none; }
.sources a { display: grid; grid-template-columns: .55fr 1fr; row-gap: .6rem; padding: 1.35rem 0; border-bottom: 1px solid rgb(22 25 30 / 18%); color: inherit; text-decoration: none; }
.sources a > span { color: var(--gold-dark); font-size: .58rem; font-weight: 700; letter-spacing: .14em; }
.sources a strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.25rem; font-weight: 400; }
.sources a i { grid-column: 2; color: #656a72; font-size: .73rem; font-style: normal; }

.finalCall { position: relative; padding: clamp(6rem, 10vw, 11rem) clamp(1.25rem, 7vw, 8rem) 2rem; background: radial-gradient(circle at 80% 20%, rgb(65 120 194 / 20%), transparent 35%), #03060c; }
.finalCall > div:first-child > p { color: var(--gold); font-size: .61rem; letter-spacing: .2em; }
.finalCall h2 { max-width: 13ch; font-size: clamp(3.5rem, 7.5vw, 8.8rem); line-height: .85; }
.finalCall h2 em { color: transparent; font-weight: 400; -webkit-text-stroke: 1px rgb(197 224 255 / 65%); }
.finalActions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 3.5rem; }
.finalActions a { display: inline-flex; justify-content: space-between; gap: 2rem; min-width: 15rem; padding: 1rem 1.2rem; border: 1px solid rgb(255 255 255 / 18%); border-radius: 999px; color: #fff; font-size: .74rem; text-decoration: none; }
.finalActions a:first-child { background: #eef6ff; color: #07101c; }
.finalNote { margin: 8rem 0 0; padding-top: 1.4rem; border-top: 1px solid rgb(255 255 255 / 12%); color: rgb(229 237 248 / 38%); font-family: var(--font-geist-mono), monospace; font-size: .55rem; letter-spacing: .1em; text-transform: uppercase; }

@keyframes breathe { from { scale: 1; filter: saturate(.9); } to { scale: 1.045; filter: saturate(1.08); } }
@keyframes soundtrackPulse { from { transform: scaleY(.42); opacity: .55; } to { transform: scaleY(1); opacity: 1; } }

@media (max-width: 980px) {
  .intro,
  .privacyCopy,
  .proofIntro,
  .sources { grid-template-columns: 1fr; }
  .explainer { grid-template-columns: .8fr 1.2fr; }
  .choiceSection { grid-template-columns: 1fr; }
  .bridgeArt { grid-row: auto; grid-column: auto; min-height: 35rem; }
  .bridgeArt::before { background: linear-gradient(0deg, rgb(4 7 13 / 74%), transparent 42%); }
  .choiceHeader { padding-bottom: 5rem; }
  .modeCards { padding: 0 clamp(1.25rem, 6vw, 7rem) clamp(6rem, 9vw, 9rem); }
  .privacyCopy { row-gap: 2rem; }
  .privacyCopy > p { max-width: 50rem; }
  .proofIntro { row-gap: 2rem; }
  .sources { gap: 4rem; }
}

@media (max-width: 760px) {
  .nav { gap: .9rem; }
  .hero { min-height: 94svh; align-items: end; padding-bottom: 5.5rem; }
  .heroImage { object-position: 67% center; }
  .heroShade { background: linear-gradient(0deg, rgb(3 6 14 / 98%) 2%, rgb(3 6 14 / 66%) 57%, rgb(3 6 14 / 22%) 100%); }
  .heroGrid { mask-image: linear-gradient(0deg, #000, transparent 76%); }
  .heroCopy { width: 100%; }
  .hero h1 { font-size: clamp(3.5rem, 17vw, 5.3rem); }
  .heroLead { max-width: 31rem; }
  .releaseNote { max-width: 29rem; }
  .artMark { right: 1.25rem; max-width: 15rem; text-align: right; }
  .intro h2 { font-size: clamp(3.4rem, 16vw, 5rem); }
  .explainer { grid-template-columns: 1fr; }
  .portraitArt { height: 42rem; }
  .modelSection { grid-template-columns: 1fr; }
  .modelArt { min-height: 32rem; order: -1; }
  .modelArt::before { background: linear-gradient(0deg, #e9e6df 0%, transparent 24%); }
  .wideArt { height: 36rem; }
  .privacyCopy { margin-top: -5rem; }
  .privacyCopy > h2 { font-size: clamp(3rem, 13vw, 4.6rem); }
  .benefitGrid { grid-template-columns: repeat(2, 1fr); }
  .choiceHeader h2 { font-size: clamp(3.2rem, 13vw, 4.8rem); }
  .modeCards { grid-template-columns: 1fr; gap: 1px; }
  .modeCards article { min-height: auto; }
  .modeCards article > p { margin-top: 2.5rem; }
  .proofList { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .soundtrack { right: 1rem; bottom: calc(.75rem + env(safe-area-inset-bottom)); left: 1rem; width: auto; }
  .navLine { display: none; }
  .nav { grid-template-columns: 1fr auto; }
  .heroActions { align-items: stretch; }
  .primaryAction,
  .secondaryAction { justify-content: center; width: 100%; }
  .facts li { grid-template-columns: 1fr; gap: .45rem; }
  .analogy { grid-template-columns: 5.7rem 1fr; }
  .portraitArt { height: 34rem; }
  .benefitGrid,
  .proofList { grid-template-columns: 1fr; }
  .benefitGrid article { min-height: 12rem; }
  .benefitGrid h3 { margin-top: 2.8rem; }
  .bridgeArt { min-height: 27rem; }
  .sources a { grid-template-columns: 1fr; }
  .sources a i { grid-column: 1; }
  .finalActions { flex-direction: column; }
  .finalActions a { min-width: 0; width: 100%; }
  .finalNote { margin-top: 5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .heroImage { animation: none; }
  .soundtrack[data-playback="playing"] .soundtrackGlyph i { animation: none; }
  .primaryAction,
  .secondaryAction { transition: none; }
}