.revtol-root .root-system__end h2 { max-width: 11ch; font-size: clamp(48px, 6.7vw, 106px); }

.root-system__end p {
  max-width: 48ch;
  margin: 20px 0 0 auto;
  color: rgb(255 255 255 / .62);
  font: 500 9px/1.55 "DM Mono", monospace;
  letter-spacing: .04em;
}

.root-film__bridge {
  color: #f4f6f1;
  text-decoration: underline;
  text-decoration-color: var(--hp-accent);
  text-underline-offset: 6px;
}

.root-visit,
.root-models,
.root-ownership,
.root-faq { position: relative; color: #f4f6f1; background: #080c12; }

.root-visit { padding: clamp(90px, 11vw, 166px) 0; overflow: hidden; }

.root-visit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 82% 24%, rgb(17 104 255 / .12), transparent 28%);
  pointer-events: none;
}

.root-visit__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(420px, 1.28fr);
  gap: clamp(52px, 8vw, 120px);
}

.root-visit__intro h2,
.root-ownership h2,
.root-faq h2 {
  margin: 0;
  font: 500 clamp(52px, 7.2vw, 112px)/.82 "Space Grotesk", sans-serif;
  letter-spacing: -.075em;
  text-transform: uppercase;
}

.root-visit__intro > p,
.root-faq__inner > div:first-child > p {
  max-width: 38ch;
  margin: 24px 0 0;
  color: rgb(255 255 255 / .64);
  font: 500 clamp(15px, 1.2vw, 18px)/1.6 Manrope, sans-serif;
}

.root-visit__chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 34px; }

.root-visit__chips span {
  padding: 10px 12px;
  border: 1px solid rgb(255 255 255 / .17);
  color: rgb(255 255 255 / .72);
  font: 500 8px/1.3 "DM Mono", monospace;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.root-visit__steps,
.root-ownership ol { margin: 0; padding: 0; list-style: none; counter-reset: root-step; }

.root-visit__steps { border-top: 1px solid rgb(255 255 255 / .18); }

.root-visit__steps li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 22px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid rgb(255 255 255 / .12);
  counter-increment: root-step;
}

.root-visit__steps li::before,
.root-ownership li::before {
  content: "0" counter(root-step);
  color: var(--hp-accent);
  font: 500 9px/1 "DM Mono", monospace;
  letter-spacing: .12em;
}

.root-visit__steps strong { font: 500 clamp(22px, 2.2vw, 34px)/1.05 "Space Grotesk", sans-serif; letter-spacing: -.035em; }
.root-visit__steps span { grid-column: 2; margin-top: -10px; color: rgb(255 255 255 / .54); font: 500 12px/1.5 Manrope, sans-serif; }

.root-actions { grid-column: 2; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.root-actions .hp-button { white-space: nowrap; }

.root-action-link {
  color: rgb(255 255 255 / .78);
  font: 600 9px/1.35 "DM Mono", monospace;
  letter-spacing: .09em;
  text-transform: uppercase;
  text-decoration: underline;
  text-decoration-color: var(--hp-accent);
  text-underline-offset: 6px;
  white-space: nowrap;
}

.revtol-root .root-models { padding: clamp(92px, 11vw, 160px) 0; background: #05080d; }
.root-models .hc-models__head { margin-bottom: clamp(44px, 6vw, 80px); }

.root-selector { display: grid; grid-template: "tabs panel" auto "guide panel" 1fr / minmax(240px, .32fr) minmax(0, 1fr); gap: 1px 18px; }
.root-selector__tabs { grid-area: tabs; display: grid; align-content: start; gap: 1px; background: rgb(255 255 255 / .14); }

.root-selector__tabs button {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  align-items: center;
  min-height: 84px;
  padding: 16px 18px;
  border: 0;
  background: #0b1018;
  color: rgb(255 255 255 / .55);
  font-family: Manrope, sans-serif;
  text-align: left;
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
}

.root-selector__tabs button:hover { color: #f4f6f1; background: #101827; }
.root-selector__tabs button:focus-visible { position: relative; z-index: 1; outline: 2px solid var(--hp-accent); outline-offset: -2px; }
.root-selector__tabs button[aria-selected="true"] { color: #f4f6f1; background: #102344; }
.root-selector__tabs strong { color: inherit; font: 500 25px/1 "Space Grotesk", sans-serif; letter-spacing: -.04em; }
.root-selector__tabs span { font-size: 12px; line-height: 1.35; }

.root-selector__guide { grid-area: guide; min-height: 240px; display: flex; flex-direction: column; justify-content: flex-end; padding: 24px 20px; background: linear-gradient(145deg, #0b1018 10%, #101c31); }
.root-selector__guide .root-selector__guide-label { margin: 0 0 13px; color: var(--hp-accent); font: 500 8px/1.4 "DM Mono", monospace; letter-spacing: .13em; text-transform: uppercase; }
.root-selector__guide h3 { margin: 0; color: #f4f6f1; font: 500 clamp(24px, 2.2vw, 34px)/.98 "Space Grotesk", sans-serif; letter-spacing: -.05em; }
.root-selector__guide .root-selector__guide-copy { margin: 15px 0 0; color: rgb(255 255 255 / .68); font: 500 12px/1.55 Manrope, sans-serif; }
.root-selector__guide a { width: fit-content; margin-top: 22px; padding-bottom: 5px; border-bottom: 1px solid var(--hp-accent); color: #f4f6f1; font: 500 8px/1.3 "DM Mono", monospace; letter-spacing: .11em; text-transform: uppercase; }
.root-selector__guide a:focus-visible { outline: 2px solid var(--hp-accent); outline-offset: 5px; }

.root-selector__panel {
  grid-area: panel;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr);
  min-height: 610px;
  background: #0b1018;
  outline: none;
}

.root-selector__panel:focus-visible { outline: 2px solid var(--hp-accent); outline-offset: 5px; }
.root-selector__panel > img { width: 100%; height: 100%; min-height: 610px; object-fit: cover; }
.root-selector__content { align-self: end; padding: clamp(30px, 4.6vw, 66px); }

.root-selector__content > p:first-child {
  margin: 0 0 14px;
  color: var(--hp-accent);
  font: 500 9px/1.4 "DM Mono", monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.root-selector__content h3 { margin: 0 0 30px; font: 500 clamp(66px, 7vw, 112px)/.74 "Space Grotesk", sans-serif; letter-spacing: -.08em; }
.root-selector__content dl { display: grid; gap: 1px; margin: 0 0 26px; background: rgb(255 255 255 / .14); }
.root-selector__content dl div { display: flex; justify-content: space-between; gap: 18px; padding: 14px 0; background: #0b1018; }
.root-selector__content dt { color: rgb(255 255 255 / .5); font: 500 10px/1.4 "DM Mono", monospace; }
.root-selector__content dd { margin: 0; color: #f4f6f1; font: 500 12px/1.4 Manrope, sans-serif; text-align: right; }
.root-selector__content .hp-button { max-width: 100%; white-space: nowrap; }

.root-selector__note { margin: -10px 0 26px; color: rgb(255 255 255 / .55); font: 500 10px/1.55 "DM Mono", monospace; }

.root-ownership { padding: clamp(88px, 10vw, 148px) 0; background: #0a101a; }
.root-ownership h2 { max-width: 9ch; }
.root-ownership ol { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 54px 0 42px; background: rgb(255 255 255 / .14); }

.root-ownership li {
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 30px;
  padding: 26px;
  background: #0a101a;
  counter-increment: root-step;
}

.root-ownership li strong { max-width: 18ch; font: 500 clamp(20px, 1.8vw, 28px)/1.14 "Space Grotesk", sans-serif; letter-spacing: -.035em; }

.root-faq { padding: clamp(90px, 11vw, 158px) 0; background: #070a10; }
.root-faq__inner { display: grid; grid-template-columns: minmax(260px, .68fr) minmax(420px, 1.32fr); gap: clamp(50px, 8vw, 120px); }
.root-faq h2 { max-width: 7ch; }
.root-faq__list { border-top: 1px solid rgb(255 255 255 / .2); }

.root-faq details { border-bottom: 1px solid rgb(255 255 255 / .13); }
.root-faq summary { position: relative; padding: 24px 54px 24px 0; color: #f4f6f1; font: 500 clamp(18px, 1.65vw, 25px)/1.25 "Space Grotesk", sans-serif; letter-spacing: -.02em; cursor: pointer; list-style: none; }
.root-faq summary::-webkit-details-marker { display: none; }
.root-faq summary::after { content: "+"; position: absolute; right: 3px; top: 20px; color: var(--hp-accent); font: 400 28px/1 "Space Grotesk", sans-serif; }
.root-faq details[open] summary::after { content: "-"; }
.root-faq details p { max-width: 62ch; margin: -4px 0 24px; color: rgb(255 255 255 / .6); font: 500 14px/1.65 Manrope, sans-serif; }

.root-mobile-action { display: none; }

@media (max-width: 900px) {
  .root-visit__inner,
  .root-faq__inner { grid-template-columns: 1fr; }
  .root-actions { grid-column: auto; }
  .root-selector { grid-template: "tabs" auto "panel" auto "guide" auto / 1fr; gap: 1px; }
  .root-selector__tabs { grid-template-columns: repeat(2, 1fr); }
  .root-selector__guide { min-height: 190px; }
  .root-selector__panel { grid-template-columns: 1fr; min-height: 0; }
  .root-selector__panel > img { min-height: 400px; aspect-ratio: 16 / 10; }
  .root-ownership ol { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .revtol-root .root-system__end h2 { max-width: 10ch; font-size: 12.6vw; }
  .root-system__end p { max-width: 32ch; margin: 14px 0 0; font-size: 7px; }
  .root-film__bridge { right: 20px; bottom: 24px; max-width: 220px; font-size: 7px; }
  .root-visit,
  .revtol-root .root-models,
  .root-ownership,
  .root-faq { padding: 76px 0; }
  .root-visit__inner,
  .root-faq__inner { gap: 42px; }
  .root-visit__intro h2,
  .root-ownership h2,
  .root-faq h2 { font-size: 13.6vw; }
  .root-visit__chips { display: grid; }
  .root-visit__chips span { width: fit-content; }
  .root-visit__steps li { grid-template-columns: 34px minmax(0, 1fr); gap: 12px; padding: 18px 0; }
  .root-visit__steps strong { font-size: 22px; }
  .root-actions { align-items: flex-start; flex-direction: column; }
  .root-action-link { white-space: normal; }
  .root-selector__tabs button { grid-template-columns: 46px 1fr; min-height: 70px; padding: 12px; }
  .root-selector__guide { min-height: 0; padding: 28px 20px; }
  .root-selector__guide h3 { max-width: 13ch; font-size: 27px; }
  .root-selector__panel > img { min-height: 260px; }
  .root-selector__content { padding: 26px 20px 30px; }
  .root-selector__content h3 { font-size: 25vw; }
  .root-selector__content dl div { align-items: flex-start; flex-direction: column; gap: 5px; }
  .root-selector__content dd { text-align: left; }
  .root-selector__content .hp-button { width: 100%; padding-inline: 12px; font-size: 7px; }
  .root-ownership ol { grid-template-columns: 1fr; margin-top: 38px; }
  .root-ownership li { min-height: 132px; }
  .root-faq summary { padding-block: 20px; font-size: 19px; }
  .root-faq summary::after { top: 17px; }
  .root-faq details p { font-size: 13px; }

  .root-mobile-action {
    position: fixed;
    z-index: 18;
    right: 10px;
    bottom: calc(10px + env(safe-area-inset-bottom));
    left: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 9px 9px 14px;
    border: 1px solid rgb(255 255 255 / .18);
    opacity: 0;
    transform: translateY(calc(100% + 24px));
    background: rgb(7 11 17 / .94);
    box-shadow: 0 14px 44px rgb(0 0 0 / .45);
    backdrop-filter: blur(14px);
    pointer-events: none;
    transition: opacity .25s ease, transform .35s cubic-bezier(.16, 1, .3, 1);
  }

  .root-mobile-action.is-visible { opacity: 1; transform: none; pointer-events: auto; }
  .root-mobile-action span { color: rgb(255 255 255 / .68); font: 500 8px/1.35 "DM Mono", monospace; letter-spacing: .06em; text-transform: uppercase; }
  .root-mobile-action a { flex: 0 0 auto; padding: 13px 15px; color: #06101e; background: var(--hp-accent); font: 600 8px/1 "DM Mono", monospace; letter-spacing: .1em; text-transform: uppercase; }
}

@media (prefers-reduced-motion: reduce) {
  .root-mobile-action { transition: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .root-mobile-action { background: #070b11; backdrop-filter: none; }
}