main {
  position: relative;
  isolation: isolate;
}

.site-header {
  position: fixed;
  z-index: 40;
  inset-block-start: 0;
  inset-inline: 0;
  block-size: var(--header-block);
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.14);
  background: rgba(15, 19, 25, 0.96);
  color: var(--puls-white);
}

.header-inner {
  display: grid;
  min-block-size: var(--header-block);
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(1rem, 3vw, 3rem);
}

.brand {
  display: inline-flex;
  inline-size: fit-content;
  align-items: center;
}

.brand img {
  inline-size: clamp(8rem, 12vw, 11rem);
}

.desktop-nav {
  display: flex;
  min-inline-size: 0;
  justify-content: flex-end;
  gap: clamp(1rem, 2.5vw, 2rem);
  color: rgba(255, 255, 255, 0.76);
  font-family: var(--font-mono);
  font-size: clamp(0.625rem, 0.58rem + 0.12vw, 0.75rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.desktop-nav a,
.header-cta {
  white-space: nowrap;
}

.desktop-nav a {
  display: inline-flex;
  min-block-size: 2.75rem;
  align-items: center;
  transition: color 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--puls-white);
}

.menu-toggle {
  display: none;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  padding: 0.625rem;
  background: transparent;
  color: var(--puls-white);
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  inline-size: 100%;
  block-size: 0.125rem;
  margin-block: 0.3125rem;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-open .menu-toggle > span:nth-child(2) {
  transform: translateY(0.4375rem) rotate(45deg);
}

.menu-open .menu-toggle > span:nth-child(3) {
  transform: translateY(-0.4375rem) rotate(-45deg);
}

.mobile-nav {
  position: absolute;
  inset-block-start: 100%;
  inset-inline: 0;
  max-block-size: calc(100svb - var(--header-block));
  overflow-y: auto;
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.18);
  background: var(--puls-ink);
}

.mobile-nav__inner {
  display: grid;
  gap: 0;
  padding-block: clamp(1.25rem, 5svb, 3rem);
}

.mobile-nav__topline {
  display: flex;
  justify-content: space-between;
  padding-block-end: 1rem;
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.24);
  color: var(--puls-blue-soft);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mobile-nav__inner > a:not(.button) {
  display: flex;
  min-block-size: 3.5rem;
  align-items: center;
  justify-content: space-between;
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.18);
  color: var(--puls-white);
  font-size: clamp(1.125rem, 4vw, 1.5rem);
  font-weight: 700;
}

.mobile-nav__inner > .button {
  margin-block-start: 1.5rem;
}

.mobile-quickbar {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  min-block-size: 100svb;
  overflow: clip;
  isolation: isolate;
  background: var(--puls-ink);
  color: var(--puls-white);
}

.hero__image,
.hero__grid {
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
}

.hero__image {
  background-color: var(--puls-ink);
  background-image: linear-gradient(90deg, rgba(15, 19, 25, 0.95) 0%, rgba(15, 19, 25, 0.8) 42%, rgba(15, 19, 25, 0.28) 100%), url("/media/images/stock/stock-dj-event-01.webp");
  background-position: center;
  background-size: cover;
  opacity: 0.92;
}

.hero__grid {
  background-image:
    linear-gradient(to right, rgba(169, 199, 245, 0.1) var(--line), transparent var(--line)),
    linear-gradient(to bottom, rgba(169, 199, 245, 0.08) var(--line), transparent var(--line));
  background-size: clamp(4rem, 8vw, 8rem) clamp(4rem, 8vw, 8rem);
  opacity: 0.42;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-block-size: 100svb;
  grid-template-rows: 1fr auto;
  align-items: end;
  padding-block-start: calc(var(--header-block) + var(--chapter-padding));
  padding-block-end: calc(var(--chapter-padding) + var(--action-block));
}

.hero__content {
  align-self: center;
  max-inline-size: 58rem;
}

.eyebrow,
.section-index,
.set-label,
.set-code,
.service-node__role,
.service-node__deliverable,
.installation-board__label,
.installation-stage__label,
.comparison-name span,
.set-model,
.form-progress,
.form-step__heading > span {
  font-family: var(--font-mono);
  font-size: clamp(0.625rem, 0.58rem + 0.1vw, 0.75rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--puls-blue-soft);
}

.eyebrow span {
  padding-inline: 0.35em;
  color: rgba(255, 255, 255, 0.45);
}

.hero h1 {
  max-inline-size: 12ch;
  margin-block-start: clamp(1rem, 3vw, 2rem);
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.92;
  text-wrap: balance;
}

.hero h1 span {
  color: var(--puls-blue-soft);
}

.hero__lead {
  max-inline-size: 48ch;
  margin-block-start: clamp(1.5rem, 3vw, 2.5rem);
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1rem, 1rem + 0.45vw, 1.35rem);
  line-height: 1.45;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-block-start: clamp(1.75rem, 4vw, 3rem);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  padding-block-start: 1rem;
  padding-inline-start: 0;
  list-style: none;
  border-block-start: var(--line) solid rgba(245, 245, 243, 0.32);
  color: rgba(255, 255, 255, 0.76);
  font-family: var(--font-mono);
  font-size: clamp(0.625rem, 0.58rem + 0.08vw, 0.75rem);
  letter-spacing: 0.08em;
}

.hero__meta span {
  position: relative;
  padding-inline-start: 0.875rem;
}

.hero__meta span::before {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 0;
  inline-size: 0.3125rem;
  block-size: 0.3125rem;
  border-radius: 50%;
  background: var(--puls-blue-soft);
  content: "";
  transform: translateY(-50%);
}

.chapter {
  position: relative;
  display: grid;
  min-block-size: var(--chapter-block);
  align-items: center;
  padding-block: var(--chapter-padding);
  overflow: visible;
}

.chapter--dark {
  background: var(--puls-ink);
  color: var(--puls-white);
}

.chapter--paper {
  background: var(--puls-paper);
  color: var(--puls-ink);
}

.chapter--white {
  background: var(--puls-white);
  color: var(--puls-ink);
}

.chapter--blue {
  border-block-start: clamp(0.125rem, 0.35vw, 0.25rem) solid var(--puls-blue);
  background: var(--puls-ink);
  color: var(--puls-white);
}

.chapter-heading {
  max-inline-size: 68ch;
}

.chapter-heading--split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.8fr);
  gap: var(--layout-gap);
  max-inline-size: none;
  align-items: end;
}

.chapter-heading h2,
.contact-intro h2 {
  max-inline-size: 18ch;
  margin-block-start: clamp(1rem, 2vw, 1.5rem);
  font-size: clamp(2.25rem, 5vw, 4.75rem);
  line-height: 0.98;
  text-wrap: balance;
}

.chapter-heading__intro {
  max-inline-size: 42ch;
  color: var(--puls-muted);
  font-size: clamp(0.9375rem, 0.88rem + 0.2vw, 1.125rem);
  line-height: 1.5;
}

.chapter-heading--light .chapter-heading__intro,
.chapter--dark .chapter-heading__intro,
.chapter--blue .chapter-heading__intro {
  color: rgba(255, 255, 255, 0.7);
}

.section-index {
  color: var(--puls-blue);
}

.chapter--dark .section-index,
.chapter--blue .section-index,
.section-index--light {
  color: var(--puls-blue-soft);
}

.chapter-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-block-start: clamp(2rem, 5vw, 4rem);
}

.microcopy {
  max-inline-size: 52ch;
  color: var(--puls-muted);
  font-size: 0.875rem;
}

.chapter--dark .microcopy,
.chapter--blue .microcopy {
  color: rgba(255, 255, 255, 0.68);
}

.text-link {
  display: inline-flex;
  min-block-size: 2.75rem;
  align-items: center;
  gap: 0.625rem;
  border-block-end: var(--line) solid currentColor;
  color: var(--puls-blue);
  font-weight: 700;
}

.text-link:hover {
  color: var(--puls-blue-dark);
}

.text-link--light,
.chapter--dark .text-link,
.chapter--blue .text-link {
  color: var(--puls-blue-soft);
}

.route-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-block-start: clamp(2.5rem, 6vw, 5rem);
  border-block: var(--line) solid rgba(245, 245, 243, 0.28);
}

.route-node {
  position: relative;
  display: flex;
  min-block-size: clamp(13rem, 30svb, 18rem);
  flex-direction: column;
  padding-block: clamp(1.25rem, 3vw, 2rem);
  padding-inline-end: clamp(1.25rem, 3vw, 2rem);
  border-inline-end: var(--line) solid rgba(245, 245, 243, 0.2);
  color: var(--puls-white);
  transition: background-color 180ms ease, color 180ms ease;
}

.route-node:last-child {
  border-inline-end: 0;
}

.route-node:hover,
.route-node:focus-visible {
  background: rgba(255, 255, 255, 0.06);
}

.route-node__code {
  color: var(--puls-blue-soft);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
}

.route-node strong {
  max-inline-size: 18ch;
  margin-block-start: clamp(1.5rem, 4vw, 2.75rem);
  font-size: clamp(1.25rem, 2.2vw, 2rem);
  line-height: 1.08;
}

.route-node span:not(.route-node__code) {
  max-inline-size: 28ch;
  margin-block-start: 0.75rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9375rem;
}

.route-node b {
  margin-block-start: auto;
  color: var(--puls-blue-soft);
  font-size: 1.25rem;
}

.service-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-block-start: clamp(2.5rem, 6vw, 5rem);
  padding: 0;
  border-block: var(--line) solid var(--puls-line);
  list-style: none;
}

.service-node {
  position: relative;
  display: flex;
  min-block-size: clamp(17rem, 35svb, 25rem);
  flex-direction: column;
  padding-block: clamp(1.5rem, 4vw, 3rem);
  padding-inline: clamp(1rem, 2.5vw, 2rem);
  border-inline-end: var(--line) solid var(--puls-line);
}

.service-node:last-child {
  border-inline-end: 0;
}

.service-node--primary {
  border-block-start: clamp(0.125rem, 0.3vw, 0.25rem) solid var(--puls-blue);
}

.service-node__topline {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.service-node__number {
  color: var(--puls-blue);
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3vw, 2rem);
}

.service-node__role,
.service-node__deliverable {
  color: var(--puls-steel);
}

.service-node__marker {
  inline-size: 0.875rem;
  block-size: 0.875rem;
  margin-block-start: 1.5rem;
  border: 0.125rem solid var(--puls-blue);
  border-radius: 50%;
  background: var(--puls-paper);
}

.service-node__content {
  max-inline-size: 30ch;
  margin-block-start: auto;
}

.service-node__content h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.05;
}

.service-node__content p {
  margin-block-start: 0.75rem;
  color: var(--puls-muted);
  font-size: 0.9375rem;
}

.service-node__deliverable {
  display: block;
  margin-block-start: 1rem;
  font-size: 0.6875rem;
}

.installation-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.85fr);
  gap: var(--layout-gap);
  align-items: end;
}

.installation-heading__lead {
  max-inline-size: 42ch;
  color: var(--puls-muted);
  font-size: clamp(1rem, 1rem + 0.25vw, 1.2rem);
}

.installation-board {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 6rem);
  margin-block-start: clamp(2.5rem, 6vw, 5rem);
  padding: clamp(1.5rem, 5vw, 4rem);
  background: var(--puls-ink);
  color: var(--puls-white);
}

.installation-board__intro {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.installation-board__label,
.installation-stage__label {
  color: var(--puls-blue-soft);
}

.installation-board__statement {
  max-inline-size: 18ch;
  margin-block-start: clamp(1.5rem, 4vw, 2.5rem);
  font-size: clamp(1.75rem, 4vw, 3.25rem);
  line-height: 1.02;
}

.installation-board__intro .button {
  margin-block-start: auto;
}

.installation-stages {
  padding: 0;
  border-block-start: var(--line) solid rgba(245, 245, 243, 0.26);
  list-style: none;
}

.installation-stage {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: start;
  padding-block: clamp(1.25rem, 3vw, 2rem);
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.2);
}

.installation-stage__number {
  color: var(--puls-blue-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.installation-stage h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.installation-stage p {
  max-inline-size: 42ch;
  margin-block-start: 0.5rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.875rem;
}

.installation-stage__marker {
  inline-size: 0.75rem;
  block-size: 0.75rem;
  margin-block-start: 0.25rem;
  border: 0.125rem solid var(--puls-blue-soft);
  border-radius: 50%;
}


.featured-set {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(20rem, 0.9fr);
  margin-block-start: clamp(2.5rem, 6vw, 5rem);
  border: var(--line) solid rgba(245, 245, 243, 0.34);
  background: var(--puls-paper);
  color: var(--puls-ink);
}

.featured-set__visual {
  position: relative;
  min-block-size: clamp(22rem, 58svb, 37rem);
  overflow: clip;
  isolation: isolate;
  background: #293746;
}

.set-photo {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
}

.set-photo--maui {
  background-image: linear-gradient(135deg, #293746, #151c25);
}

.product-cutouts {
  position: absolute;
  inset-block-end: -1rem;
  inset-inline: 0;
  display: flex;
  align-items: end;
  justify-content: center;
}

.product-cutouts img {
  inline-size: clamp(14rem, 30cqw, 21rem);
  max-inline-size: calc(100% - 2rem);
  filter: drop-shadow(0 0.9375rem 1.125rem rgba(0, 0, 0, 0.45));
  mix-blend-mode: multiply;
}

.featured-set__body {
  display: flex;
  min-inline-size: 0;
  flex-direction: column;
  padding: clamp(1.5rem, 5vw, 4.25rem);
}

.set-label-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--puls-blue-dark);
}

.set-label {
  color: var(--puls-blue);
  font-weight: 700;
}

.set-code,
.comparison-name span {
  color: var(--puls-steel);
}

.featured-set h3 {
  margin-block-start: clamp(1.5rem, 4vw, 3rem);
  font-size: clamp(2.75rem, 7vw, 5rem);
  line-height: 0.9;
}

.set-model {
  margin-block-start: 0.75rem;
  color: var(--puls-blue-dark);
}

.set-summary {
  max-inline-size: 42ch;
  margin-block-start: 1.5rem;
  color: var(--puls-muted);
}

.set-facts {
  display: grid;
  margin-block-start: clamp(1.5rem, 4vw, 3rem);
  border-block-start: var(--line) solid var(--puls-line);
}

.set-facts div {
  display: grid;
  grid-template-columns: minmax(5rem, 0.35fr) minmax(0, 1fr);
  gap: 1rem;
  padding-block: 0.875rem;
  border-block-end: var(--line) solid var(--puls-line);
}

.set-facts span {
  color: var(--puls-steel);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.set-facts strong {
  font-size: clamp(0.8125rem, 0.78rem + 0.1vw, 0.9375rem);
}

.set-facts em {
  margin-inline-start: 0.5rem;
  color: var(--puls-blue);
  font-style: normal;
  white-space: nowrap;
}


.set-price-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem;
  margin-block-start: 1.5rem;
}

.set-price-line strong {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 0.9;
}

.set-price-line span {
  color: var(--puls-muted);
  font-size: 0.8125rem;
}

.set-price-line .price-muted {
  padding-inline-start: 0.75rem;
  border-inline-start: var(--line) solid var(--puls-line);
}

.set-service-note {
  margin-block-start: 1rem;
  color: var(--puls-muted);
  font-size: 0.8125rem;
}

.set-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-block-start: 1.5rem;
}

.technical-details {
  margin-block-start: 1.5rem;
  border-block-start: var(--line) solid var(--puls-line);
}

.technical-details summary {
  display: flex;
  min-block-size: 2.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--puls-blue-dark);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  list-style: none;
  text-transform: uppercase;
}

.technical-details summary::-webkit-details-marker {
  display: none;
}

.technical-details summary::after {
  color: var(--puls-blue);
  content: "+";
  font-size: 1.25rem;
}

.technical-details[open] summary::after {
  content: "−";
}

.technical-details ul {
  padding-block-end: 1rem;
  padding-inline-start: 1.1rem;
  color: var(--puls-muted);
  font-size: 0.8125rem;
}

.set-comparison {
  margin-block-start: clamp(2.5rem, 6vw, 5rem);
  border-block-start: var(--line) solid rgba(245, 245, 243, 0.34);
}

.comparison-head,
.comparison-row {
  display: grid;
  grid-template-columns: minmax(7rem, 0.8fr) minmax(9rem, 1fr) minmax(14rem, 1.6fr) minmax(7rem, 0.7fr) auto auto;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  align-items: start;
}

.comparison-head {
  padding-block: 0.875rem;
  color: var(--puls-blue-soft);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.comparison-row {
  padding-block: clamp(1rem, 3vw, 1.75rem);
  border-block-start: var(--line) solid rgba(245, 245, 243, 0.2);
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.8125rem;
}

.comparison-name {
  display: grid;
  gap: 0.35rem;
}

.comparison-name strong {
  color: var(--puls-white);
  font-size: 1.125rem;
}

.comparison-row > div {
  min-inline-size: 0;
}

.comparison-row > div strong {
  color: var(--puls-white);
  font-size: 1rem;
}

.comparison-key {
  display: none;
  color: var(--puls-blue-soft);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.comparison-rms {
  display: block;
  margin-block-start: 0.35rem;
  color: var(--puls-blue-soft);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.technical-details--row {
  min-inline-size: 0;
  margin-block-start: 0;
  border-block-start: 0;
}

.technical-details--row summary {
  min-block-size: 2.75rem;
  color: var(--puls-blue-soft);
}

.technical-details--row ul {
  color: rgba(255, 255, 255, 0.68);
}

.sets-disclaimer {
  max-inline-size: 78ch;
  margin-block-start: 1.5rem;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.75rem;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.8fr);
  gap: clamp(2rem, 10vw, 8rem);
  align-items: start;
}

.about-copy {
  max-inline-size: 58ch;
}

.about-copy > p {
  margin-block-start: 1.5rem;
  color: var(--puls-muted);
  font-size: clamp(1rem, 1rem + 0.2vw, 1.15rem);
}

.contact-people {
  display: grid;
  margin-block-start: clamp(2rem, 5vw, 3.5rem);
  border-block-start: var(--line) solid var(--puls-line);
}

.contact-people a {
  display: flex;
  min-block-size: 3.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-block-end: var(--line) solid var(--puls-line);
}

.contact-people span {
  color: var(--puls-steel);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-people strong {
  font-size: 0.9375rem;
}

.about-copy .text-link {
  margin-block-start: 1.5rem;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 10vw, 8rem);
  align-items: start;
}

.faq-list {
  border-block-start: var(--line) solid rgba(245, 245, 243, 0.28);
}

.faq-list details {
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.2);
}

.faq-list summary {
  display: flex;
  min-block-size: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  color: var(--puls-white);
  font-size: 1rem;
  font-weight: 600;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  flex: 0 0 auto;
  color: var(--puls-blue-soft);
  content: "+";
  font-size: 1.35rem;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-inline-size: 64ch;
  padding-block-end: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  line-height: 1.55;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 10vw, 8rem);
  align-items: start;
}

.contact-intro > p:not(.section-index) {
  max-inline-size: 46ch;
  margin-block-start: 1.5rem;
  color: rgba(255, 255, 255, 0.76);
}

.contact-links {
  display: grid;
  max-inline-size: 36rem;
  margin-block-start: clamp(2rem, 5vw, 3.5rem);
  border-block-start: var(--line) solid rgba(245, 245, 243, 0.28);
}

.contact-links a {
  display: flex;
  min-block-size: 3.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.22);
}

.contact-links span {
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-links strong {
  color: var(--puls-white);
  font-size: 0.875rem;
}

.contact-form {
  min-inline-size: 0;
  padding-block: clamp(1.5rem, 4vw, 3rem);
  border-block: var(--line) solid rgba(245, 245, 243, 0.28);
}

.form-progress {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block-end: 1rem;
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.24);
  color: rgba(255, 255, 255, 0.68);
}

.form-progress span:last-child {
  color: var(--puls-white);
  text-align: end;
}

.form-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  margin-block-start: 1rem;
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.24);
}

.form-mode-switch__button {
  min-block-size: 2.75rem;
  padding: 0.5rem 0.625rem;
  border-block-end: 0.125rem solid transparent;
  background: transparent;
  color: rgba(255, 255, 255, 0.64);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  line-height: 1.25;
  text-transform: uppercase;
}

.form-mode-switch__button:hover,
.form-mode-switch__button:focus-visible,
.form-mode-switch__button[aria-pressed="true"] {
  border-block-end-color: var(--puls-blue-soft);
  color: var(--puls-white);
}

.form-step {
  padding-block-start: clamp(1.5rem, 4vw, 2.5rem);
}

.form-step legend,
.form-step__heading h3 {
  color: var(--puls-white);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.form-step__heading {
  display: flex;
  gap: 0.875rem;
  align-items: baseline;
}

.form-step__heading > span {
  color: var(--puls-blue-soft);
}

.form-hint,
.form-context {
  margin-block-start: 0.5rem;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.choice-grid {
  display: grid;
  gap: 0.75rem;
  margin-block-start: 1.5rem;
}

.choice-card {
  display: grid;
  min-block-size: 4.5rem;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 0.875rem;
  border: var(--line) solid rgba(245, 245, 243, 0.3);
  color: var(--puls-white);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.choice-card:hover,
.choice-card.is-checked {
  border-color: var(--puls-blue-soft);
  background: rgba(255, 255, 255, 0.06);
}

.choice-card input {
  inline-size: 1.25rem;
  block-size: 1.25rem;
  accent-color: var(--puls-blue-soft);
}

.choice-card span {
  display: grid;
  gap: 0.25rem;
}

.choice-card strong {
  font-size: 0.9375rem;
}

.choice-card small {
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.8125rem;
}

.field-grid {
  display: grid;
  gap: 1rem;
  margin-block-start: 1.5rem;
}

.field-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.4375rem;
}

.field > span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.875rem;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  inline-size: 100%;
  min-block-size: 3rem;
  padding: 0.75rem 0.8125rem;
  border: var(--line) solid rgba(245, 245, 243, 0.35);
  border-radius: 0;
  outline: 0;
  background: rgba(15, 19, 25, 0.3);
  color: var(--puls-white);
  font-size: 0.9375rem;
}

.field textarea {
  min-block-size: 8rem;
  resize: vertical;
}

.field select option {
  background: var(--puls-ink);
  color: var(--puls-white);
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--puls-blue-soft);
}

.check-field {
  display: flex;
  gap: 0.6875rem;
  align-items: flex-start;
  margin-block-start: 1.25rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.75rem;
  line-height: 1.5;
}

.check-field input {
  flex: 0 0 auto;
  inline-size: 1.1875rem;
  block-size: 1.1875rem;
  margin-block-start: 0.0625rem;
  accent-color: var(--puls-blue-soft);
}

.check-field a {
  color: var(--puls-white);
  text-decoration: underline;
  text-underline-offset: 0.125rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-block-start: 1.5rem;
}

.form-status {
  min-block-size: 1.5rem;
  margin-block-start: 1rem;
  color: #dbe6f7;
  font-size: 0.8125rem;
}

.form-status.is-error {
  color: #ffd4d4;
}

.form-summary {
  margin-block-start: 1.25rem;
  padding: 0.75rem 1rem;
  border-inline-start: 0.1875rem solid var(--puls-blue-soft);
  background: rgba(255, 255, 255, 0.06);
}

.form-summary__label {
  display: block;
  color: var(--puls-blue-soft);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.form-summary p {
  margin-block-start: 0.25rem;
  color: var(--puls-white);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.site-footer {
  background: #090c10;
  color: var(--puls-white);
}

.site-footer__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
}

.site-footer img {
  inline-size: clamp(7rem, 10vw, 9rem);
}

.site-footer p {
  margin-block-start: 0.75rem;
  color: #8d9aad;
  font-size: 0.75rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1.125rem;
  color: #b9c3d0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
}

.site-footer__links a:hover {
  color: var(--puls-white);
}

.noscript-message {
  position: fixed;
  z-index: 50;
  inset-inline: 1rem;
  inset-block-end: 1rem;
  padding: 0.875rem 1rem;
  background: var(--puls-white);
  color: var(--puls-ink);
  box-shadow: 0 0.5rem 1.625rem rgba(0, 0, 0, 0.24);
  font-size: 0.8125rem;
}

@container (min-width: 52rem) {
  .chapter-heading--split,
  .installation-heading,
  .contact-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.8fr);
  }

  .about-layout {
    grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.8fr);
  }
}

@media (max-width: 60rem) {
  .desktop-nav,
  .header-cta {
    display: none;
  }

  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .menu-toggle {
    display: block;
  }

  .route-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .route-node:nth-child(2) {
    border-inline-end: 0;
  }

  .route-node:nth-child(3) {
    border-block-start: var(--line) solid rgba(245, 245, 243, 0.2);
  }

  .service-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-node:nth-child(2) {
    border-inline-end: 0;
  }

  .service-node:nth-child(n + 3) {
    border-block-start: var(--line) solid var(--puls-line);
  }

  .service-node:nth-child(3) {
    border-inline-end: var(--line) solid var(--puls-line);
  }

  .featured-set,
  .installation-board {
    grid-template-columns: 1fr;
  }

  .featured-set__visual {
    min-block-size: min(56svb, 30rem);
  }

  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-intro {
    max-inline-size: 68ch;
  }
}

@media (max-width: 48rem) {
  .mobile-quickbar {
    position: fixed;
    z-index: 35;
    inset-inline: 0;
    inset-block-end: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-block-size: 3.5rem;
    padding-block-end: env(safe-area-inset-bottom);
    border-block-start: var(--line) solid rgba(245, 245, 243, 0.2);
    background: var(--puls-ink);
    box-shadow: 0 -0.5rem 1.25rem rgba(0, 0, 0, 0.16);
  }

  .mobile-quickbar a {
    display: grid;
    min-block-size: 3.5rem;
    place-items: center;
    color: var(--puls-white);
    font-size: 0.75rem;
    font-weight: 700;
  }

  .mobile-quickbar a + a {
    border-inline-start: var(--line) solid rgba(245, 245, 243, 0.2);
    background: var(--puls-blue);
  }

  .hero__inner {
    padding-block-start: calc(var(--header-block) + var(--chapter-padding));
  }

  .hero h1 {
    max-inline-size: 10ch;
    font-size: clamp(2.75rem, 11vw, 4.75rem);
  }

  .hero__lead {
    font-size: 1rem;
  }

  .button-row,
  .set-actions,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button-row .button,
  .set-actions .button,
  .set-actions .text-link,
  .form-actions .button {
    inline-size: 100%;
  }

  .hero__meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 1rem;
  }

  .chapter-heading--split,
  .installation-heading {
    grid-template-columns: 1fr;
  }

  .chapter-heading h2,
  .contact-intro h2 {
    font-size: clamp(2rem, 9vw, 3.5rem);
  }

  .route-map,
  .service-map {
    grid-template-columns: 1fr;
  }

  .route-node,
  .route-node:nth-child(2),
  .route-node:nth-child(3) {
    min-block-size: 10rem;
    border-inline-end: 0;
    border-block-start: 0;
    border-block-end: var(--line) solid rgba(245, 245, 243, 0.2);
  }

  .route-node:last-child {
    border-block-end: 0;
  }

  .route-node strong {
    margin-block-start: 1.5rem;
  }

  .service-map {
    border-block-start: 0;
  }

  .service-map::before {
    position: absolute;
    inset-block: 0;
    inset-inline-start: 0.4375rem;
    inline-size: 0.125rem;
    background: var(--puls-steel);
    content: "";
    opacity: 0.65;
  }

  .service-node,
  .service-node:nth-child(2),
  .service-node:nth-child(3),
  .service-node:nth-child(n + 3) {
    min-block-size: 0;
    margin-inline: 0;
    padding-block: 2rem;
    padding-inline: 2rem 0;
    border-inline: 0;
    border-block: 0;
    border-block-end: var(--line) solid var(--puls-line);
  }

  .service-node--primary {
    border-block-start: 0;
    border-inline-start: 0.1875rem solid var(--puls-blue);
  }

  .service-node:last-child {
    border-block-end: 0;
  }

  .service-node__marker {
    position: absolute;
    inset-block-start: 2rem;
    inset-inline-start: 0;
    margin: 0;
    background: var(--puls-paper);
  }

  .service-node__content {
    max-inline-size: 42ch;
    margin-block-start: 1.5rem;
  }

  .installation-board {
    gap: 2rem;
    padding: clamp(1.25rem, 5vw, 2rem);
  }

  .installation-board__intro .button {
    margin-block-start: 1.5rem;
  }

  .installation-stage {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .featured-set__visual {
    min-block-size: min(58svb, 24rem);
  }

  .featured-set__body {
    padding: clamp(1.25rem, 5vw, 2rem);
  }

  .featured-set h3 {
    font-size: clamp(2.75rem, 13vw, 4.25rem);
  }

  .set-facts div {
    grid-template-columns: minmax(4.5rem, 0.35fr) minmax(0, 1fr);
  }

  .set-facts strong {
    font-size: 0.8125rem;
  }

  .set-facts em {
    display: block;
    margin-block-start: 0.25rem;
    margin-inline-start: 0;
  }

  .comparison-head {
    display: none;
  }

  .comparison-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1rem;
  }

  .comparison-row > div:nth-child(2),
  .comparison-row > div:nth-child(3) {
    grid-column: 1 / -1;
  }

  .comparison-row > div:nth-child(4) {
    grid-column: 1;
  }

  .comparison-row > .technical-details--row {
    grid-column: 1 / -1;
  }

  .comparison-row > .text-link {
    grid-column: 2;
    align-self: end;
    justify-self: end;
  }

  .comparison-key {
    display: block;
    margin-block-end: 0.25rem;
  }

  .comparison-row {
    font-size: 0.75rem;
  }

  .about-layout,
  .contact-layout,
  .faq-layout {
    gap: 2.5rem;
  }

  .contact-links a {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
  }

  .field-grid--two {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer__links {
    justify-content: flex-start;
  }
}

@media (max-width: 30rem) {
  :root {
    --gutter: 1rem;
  }

  .brand img {
    inline-size: 8.75rem;
  }

  .hero__meta {
    grid-template-columns: 1fr;
  }

  .featured-set__visual {
    min-block-size: min(56svb, 20rem);
  }

  .comparison-row {
    gap: 0.75rem;
  }

  .comparison-name strong {
    font-size: 1rem;
  }
}


.route-map,
.service-map,
.featured-set,
.set-comparison {
  margin-block-start: clamp(1.5rem, 4svb, 3rem);
}

.route-node {
  min-block-size: clamp(9rem, 22svb, 15rem);
  padding-block: clamp(1rem, 2.5svb, 1.75rem);
}

.service-node {
  min-block-size: clamp(12rem, 28svb, 20rem);
  padding-block: clamp(1rem, 2.5svb, 2rem);
}

.installation-board {
  margin-block-start: clamp(1.5rem, 4svb, 3rem);
  padding: clamp(1.25rem, 4svb, 3rem);
}

.installation-stage {
  padding-block: clamp(0.875rem, 2svb, 1.5rem);
}

.featured-set__visual {
  min-block-size: clamp(18rem, 38svb, 30rem);
}

.featured-set__body {
  padding: clamp(1.25rem, 4svb, 3rem);
}

.comparison-row {
  padding-block: clamp(0.75rem, 2.5svb, 1.25rem);
}

.faq-list summary {
  min-block-size: clamp(3.25rem, 6svb, 4.5rem);
}

.contact-form {
  padding-block: clamp(1.25rem, 3svb, 2.5rem);
}

@media (max-width: 48rem) {
  .mobile-quickbar {
    min-block-size: 3.25rem;
  }

  .mobile-quickbar a {
    min-block-size: 3.25rem;
  }

  .route-map,
  .service-map,
  .featured-set,
  .set-comparison {
    margin-block-start: clamp(1rem, 3svb, 1.75rem);
  }

  .route-node {
    min-block-size: clamp(7rem, 13svb, 9rem);
    padding-block: clamp(0.75rem, 2svb, 1.25rem);
  }

  .route-node strong {
    margin-block-start: clamp(0.875rem, 2svb, 1.5rem);
  }

  .service-node,
  .service-node:nth-child(2),
  .service-node:nth-child(3),
  .service-node:nth-child(n + 3) {
    min-block-size: 0;
    padding-block: clamp(1rem, 2.5svb, 1.5rem);
  }

  .service-node__content {
    margin-block-start: clamp(0.75rem, 2svb, 1.25rem);
  }

  .service-node__content p {
    margin-block-start: 0.375rem;
    font-size: 0.875rem;
    line-height: 1.4;
  }

  .service-node__deliverable {
    margin-block-start: 0.5rem;
  }

  .installation-board {
    gap: clamp(1rem, 3svb, 1.5rem);
    padding: clamp(1rem, 4svb, 1.5rem);
  }

  .installation-board__statement {
    margin-block-start: clamp(0.75rem, 2svb, 1.5rem);
    font-size: clamp(1.5rem, 7vw, 2.25rem);
  }

  .installation-stage {
    padding-block: clamp(0.75rem, 2svb, 1.25rem);
  }

  .featured-set__visual {
    min-block-size: clamp(10rem, 22svb, 16rem);
  }

  .featured-set__body {
    padding: clamp(1rem, 4vw, 1.5rem);
  }

  .featured-set h3 {
    margin-block-start: 1rem;
    font-size: clamp(2.25rem, 12vw, 3.5rem);
  }

  .set-summary {
    margin-block-start: 0.75rem;
    line-height: 1.4;
  }

  .set-facts {
    margin-block-start: 1rem;
  }

  .set-facts div {
    padding-block: 0.6rem;
  }

  .set-price-line,
  .set-actions {
    margin-block-start: 1rem;
  }

  .set-service-note,
  .technical-details {
    margin-block-start: 0.75rem;
  }

  .about-layout,
  .faq-layout,
  .contact-layout {
    gap: clamp(1.5rem, 4svb, 2.5rem);
  }

  .contact-links {
    margin-block-start: clamp(1rem, 3svb, 2rem);
  }

  .contact-links a {
    min-block-size: 2.75rem;
    align-items: center;
    flex-direction: row;
  }

  .contact-links strong {
    font-size: 0.75rem;
    text-align: end;
  }

  .contact-form {
    padding-block: 1rem;
  }

  .form-step {
    padding-block-start: 1rem;
  }

  .choice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
    margin-block-start: 1rem;
  }

  .choice-card {
    min-block-size: clamp(3.5rem, 8svb, 4.25rem);
    gap: 0.5rem;
    padding: 0.5rem;
  }

  .choice-card strong {
    font-size: 0.8125rem;
  }

  .choice-card small {
    font-size: 0.6875rem;
  }

  .form-actions {
    margin-block-start: 1rem;
  }
}

@media (max-width: 30rem) {
  .choice-card {
    align-items: start;
  }

  .choice-card input {
    margin-block-start: 0.125rem;
  }
}


/* Dense chapter tuning keeps the primary rental decision in one desktop viewport. */
.comparison-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: clamp(1rem, 3vw, 2rem);
  margin-block-start: clamp(1rem, 3svb, 2rem);
}

.comparison-footer .sets-disclaimer {
  flex: 1 1 32rem;
  margin-block-start: 0;
}

.comparison-footer .text-link {
  flex: 0 0 auto;
}

@media (min-width: 48.0625rem) {
  .sets-section:not(.sets-section--comparison) {
    padding-block: clamp(1.5rem, 4svb, 3rem);
  }

  .sets-section:not(.sets-section--comparison) .chapter-heading h2 {
    max-inline-size: 16ch;
    margin-block-start: 1rem;
    font-size: clamp(2rem, 4.7vw, 4rem);
  }

  .sets-section:not(.sets-section--comparison) .chapter-heading__intro {
    max-inline-size: 34ch;
    font-size: clamp(0.875rem, 0.84rem + 0.15vw, 1rem);
  }

  .sets-section:not(.sets-section--comparison) .featured-set {
    margin-block-start: clamp(1rem, 3svb, 2rem);
  }

  .sets-section:not(.sets-section--comparison) .featured-set__body {
    padding: clamp(1rem, 2.5vw, 2rem);
  }

  .sets-section:not(.sets-section--comparison) .featured-set h3 {
    margin-block-start: clamp(1rem, 2.5vw, 2rem);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
  }

  .sets-section:not(.sets-section--comparison) .set-summary {
    margin-block-start: 0.75rem;
  }

  .sets-section:not(.sets-section--comparison) .set-facts {
    margin-block-start: 1rem;
  }

  .sets-section:not(.sets-section--comparison) .set-facts div {
    gap: 0.75rem;
    padding-block: 0.6rem;
  }

  .sets-section:not(.sets-section--comparison) .set-price-line {
    margin-block-start: 1rem;
  }

  .sets-section:not(.sets-section--comparison) .set-service-note {
    margin-block-start: 0.75rem;
  }

  .sets-section:not(.sets-section--comparison) .set-actions {
    gap: 0.75rem;
    margin-block-start: 1rem;
  }
}

@media (max-width: 48rem) {
  .comparison-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .comparison-footer .sets-disclaimer {
    flex-basis: auto;
  }
}


/* Lean viewport and set rondel layer */
/*
 * Closed chapters use the measured usable viewport as their minimum.
 * Content-heavy details can still expand without clipping.
 */
:root {
  --section-pad: clamp(1rem, 3.2svb, 3rem);
}

.chapter {
  min-block-size: var(--chapter-block);
  padding-block: var(--section-pad);
  overflow: visible;
}

.hero__routes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 0;
  row-gap: clamp(0.75rem, 2vw, 2rem);
  padding-block-start: 0.875rem;
  border-block-start: var(--line) solid rgba(245, 245, 243, 0.32);
  list-style: none;
}

.hero__routes a {
  display: grid;
  grid-template-columns: auto auto;
  justify-self: start;
  gap: 0.75rem;
  min-block-size: 2.75rem;
  align-items: center;
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--font-mono);
  font-size: clamp(0.625rem, 0.58rem + 0.08vw, 0.75rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__routes a span {
  color: var(--puls-blue-soft);
}

.hero__routes a:nth-child(2) {
  justify-self: center;
}

.hero__routes a:nth-child(3) {
  justify-self: end;
}

.hero__routes a:hover,
.hero__routes a:focus-visible {
  color: var(--puls-white);
}

.service-section > .shell,
.installation-section > .shell,
.sets-section > .shell {
  display: grid;
  block-size: 100%;
  align-content: center;
}

.service-section > .shell {
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: clamp(0.75rem, 2.5svb, 2rem);
}

.service-section .chapter-heading h2,
.installation-section .chapter-heading h2 {
  max-inline-size: 18ch;
  margin-block-start: 0.75rem;
  font-size: clamp(2rem, 4.5vw, 4.25rem);
}

.service-section .chapter-heading__intro {
  margin-block-start: 0.5rem;
}

.service-section .service-map {
  min-block-size: 0;
  margin-block-start: 0;
  align-self: stretch;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service-section .service-node {
  min-block-size: 0;
  padding-block: clamp(0.75rem, 2.5svb, 1.75rem);
  padding-inline: clamp(0.75rem, 2vw, 1.5rem);
}

.service-section .service-node__marker {
  margin-block-start: clamp(0.5rem, 1.5svb, 1rem);
}

.service-section .service-node__content {
  margin-block-start: auto;
}

.service-section .service-node__content h3 {
  font-size: clamp(1.25rem, 2.6vw, 2rem);
}

.service-section .service-node__content p {
  margin-block-start: 0.375rem;
  color: var(--puls-muted);
  font-size: clamp(0.75rem, 0.7rem + 0.12vw, 0.875rem);
  line-height: 1.35;
}

.service-section .chapter-footer {
  margin-block-start: 0;
}

.installation-section > .shell {
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(0.75rem, 2.5svb, 2rem);
}

.installation-section .installation-heading {
  min-block-size: 0;
}

.installation-section .installation-heading__lead {
  font-size: clamp(0.9375rem, 0.88rem + 0.18vw, 1.1rem);
}

.installation-section .installation-board {
  min-block-size: 0;
  block-size: 100%;
  margin-block-start: 0;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(1.25rem, 4vw, 4rem);
  padding: clamp(1rem, 3.5svb, 2.5rem);
}

.installation-section .installation-board__intro {
  min-block-size: 0;
}

.installation-section .installation-board__statement {
  max-inline-size: 20ch;
  margin-block-start: clamp(0.75rem, 2svb, 1.5rem);
  font-size: clamp(1.5rem, 3.4vw, 2.75rem);
}

.installation-section .installation-stages {
  min-block-size: 0;
  display: grid;
  grid-template-rows: repeat(3, minmax(0, 1fr));
}

.installation-section .installation-stage {
  min-block-size: 0;
  padding-block: clamp(0.75rem, 1.8svb, 1.5rem);
}

.installation-section .installation-stage p {
  margin-block-start: 0.375rem;
  font-size: clamp(0.75rem, 0.7rem + 0.12vw, 0.875rem);
  line-height: 1.35;
}

.sets-section > .shell {
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(0.75rem, 2svb, 1.5rem);
}

.sets-section .chapter-heading h2 {
  max-inline-size: 14ch;
  margin-block-start: 0.75rem;
  font-size: clamp(2rem, 4.8vw, 4.5rem);
}

.sets-section .chapter-heading__intro {
  margin-block-start: 0;
}

.set-rondel {
  display: grid;
  min-block-size: 0;
  grid-template-rows: minmax(0, 1fr) auto auto;
  gap: clamp(0.5rem, 1.5svb, 1rem);
}

.set-rondel__stage {
  position: relative;
  display: grid;
  min-block-size: 0;
  min-inline-size: 0;
  align-items: center;
  justify-items: center;
  overflow: visible;
  isolation: isolate;
  touch-action: pan-y;
}

.set-rondel__stage:focus-visible {
  outline: 0.1875rem solid var(--puls-blue-soft);
  outline-offset: 0.5rem;
}

.set-card {
  position: relative;
  display: grid;
  grid-area: 1 / 1;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  inline-size: min(100%, 62rem);
  min-block-size: 0;
  border: var(--line) solid rgba(245, 245, 243, 0.32);
  background: var(--puls-paper);
  color: var(--puls-ink);
  opacity: 0;
  pointer-events: none;
  transform: translateX(0) scale(0.84);
  transition: opacity 220ms ease, transform 220ms ease, filter 220ms ease;
}

.set-card[data-position="current"] {
  z-index: 3;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0) scale(1);
}

.set-card[data-position="prev"],
.set-card[data-position="next"] {
  z-index: 1;
  opacity: 0.28;
  pointer-events: auto;
  filter: saturate(0.55);
}

.set-card[data-position="prev"] {
  transform: translateX(-84%) scale(0.84);
}

.set-card[data-position="next"] {
  transform: translateX(84%) scale(0.84);
}

.set-card[data-position="off"] {
  visibility: hidden;
}

.set-card[inert] {
  cursor: pointer;
}

.set-card__visual {
  display: grid;
  min-block-size: clamp(13rem, 38svb, 24rem);
  place-items: center;
  overflow: hidden;
  padding: clamp(0.75rem, 2.5svb, 2rem);
  background: var(--puls-paper);
}

.set-card__objects {
  display: flex;
  inline-size: 100%;
  block-size: 100%;
  align-items: end;
  justify-content: center;
  gap: clamp(0.5rem, 1.5vw, 1.5rem);
}

.set-card__object {
  position: relative;
  display: grid;
  inline-size: clamp(8rem, 14vw, 13rem);
  block-size: clamp(12rem, 32svb, 21rem);
  place-items: end center;
}

.set-card__objects--dual .set-card__object {
  inline-size: clamp(7rem, 11vw, 10rem);
}

.set-card__object span {
  position: absolute;
  z-index: 1;
  inset-block-start: 0;
  inset-inline-start: 0;
  padding: 0.35rem 0.5rem;
  background: var(--puls-blue);
  color: var(--puls-white);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.05em;
}

.set-card__object img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: contain;
}

.set-card__body {
  display: grid;
  min-inline-size: 0;
  align-content: center;
  padding: clamp(1rem, 3svb, 2.5rem);
}

.set-card__body .set-label-row {
  order: 1;
  margin: 0;
}

.set-label--quiet {
  visibility: hidden;
}

.set-card__body h3 {
  order: 2;
  margin-block-start: clamp(0.75rem, 2svb, 1.5rem);
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  line-height: 0.9;
}

.set-card__body .set-model {
  order: 3;
  max-inline-size: 32ch;
  margin-block-start: 0.5rem;
  line-height: 1.35;
}

.set-card__facts {
  order: 4;
  display: grid;
  margin-block-start: clamp(0.75rem, 2svb, 1.5rem);
  border-block-start: var(--line) solid var(--puls-line);
}

.set-card__facts div {
  display: grid;
  grid-template-columns: minmax(4rem, 0.35fr) minmax(0, 1fr);
  gap: 0.75rem;
  padding-block: clamp(0.45rem, 1.2svb, 0.75rem);
  border-block-end: var(--line) solid var(--puls-line);
}

.set-card__facts dt {
  color: var(--puls-steel);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.set-card__facts dd {
  margin: 0;
  font-size: clamp(0.75rem, 0.72rem + 0.12vw, 0.875rem);
  line-height: 1.35;
}

.set-card__facts em {
  margin-inline-start: 0.35rem;
  color: var(--puls-blue);
  font-style: normal;
  white-space: nowrap;
}

.set-card__rms {
  order: 5;
  margin-block-start: 0.625rem;
  color: var(--puls-blue-dark);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.set-card__body .technical-details {
  order: 7;
  margin-block-start: 0.35rem;
}

.set-card__body .technical-details summary {
  min-block-size: 2.5rem;
}

.set-card__body .set-service-note {
  order: 6;
  margin-block-start: clamp(0.4rem, 1svb, 0.75rem);
  padding-block-start: 0.5rem;
  border-block-start: var(--line) solid var(--puls-line);
  font-size: 0.6875rem;
}

.set-card__body .set-actions {
  order: 8;
  margin-block-start: 0.625rem;
}

.set-card__body .set-actions .button {
  inline-size: fit-content;
}

.set-rondel__controls {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  align-items: center;
  max-inline-size: 62rem;
  margin-inline: auto;
}

.set-rondel__arrow {
  display: grid;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  place-items: center;
  border: var(--line) solid rgba(245, 245, 243, 0.35);
  background: transparent;
  color: var(--puls-white);
  font-size: 1.25rem;
}

.set-rondel__arrow:hover,
.set-rondel__arrow:focus-visible {
  border-color: var(--puls-blue-soft);
  background: rgba(255, 255, 255, 0.08);
}

.set-rondel__dots {
  display: flex;
  justify-content: center;
  gap: 0.375rem;
}

.set-rondel__dots button {
  min-inline-size: 2.75rem;
  min-block-size: 2.75rem;
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.3);
  background: transparent;
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.set-rondel__dots button.is-active,
.set-rondel__dots button[aria-pressed="true"],
.set-rondel__dots button:hover,
.set-rondel__dots button:focus-visible {
  border-color: var(--puls-blue-soft);
  color: var(--puls-white);
}

.sets-section .sets-disclaimer {
  max-inline-size: 62rem;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.6875rem;
  line-height: 1.35;
  text-align: center;
}

.about-section .chapter-heading h2 {
  max-inline-size: 12ch;
}

.faq-section .chapter-heading h2 {
  max-inline-size: 14ch;
}

@media (max-width: 60rem) {
  .set-card {
    inline-size: 100%;
  }

  .set-card[data-position="prev"],
  .set-card[data-position="next"] {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.98);
  }
}

@media (max-width: 48rem) {
  :root {
    --section-pad: clamp(0.75rem, 3svb, 1.5rem);
  }

  .chapter {
    padding-block: var(--section-pad);
  }

  .hero__routes {
    column-gap: 0;
    row-gap: 0.5rem;
    padding-block-start: 0.625rem;
  }

  .hero__routes a {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 0.125rem;
    min-block-size: 2.5rem;
    align-content: center;
    text-align: center;
    font-size: 0.625rem;
    line-height: 1.2;
  }

  .service-section > .shell {
    gap: clamp(0.5rem, 1.5svb, 1rem);
  }

  .service-section .service-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-block-start: var(--line) solid var(--puls-line);
  }

  .service-section .service-node,
  .service-section .service-node:nth-child(n + 3) {
    padding-block: clamp(0.625rem, 2svb, 1rem);
    padding-inline: clamp(0.625rem, 3vw, 1.25rem);
    border-inline-end: var(--line) solid var(--puls-line);
    border-block-start: 0;
  }

  .service-section .service-node:nth-child(2n) {
    border-inline-end: 0;
  }

  .service-section .service-node:nth-child(n + 3) {
    border-block-start: var(--line) solid var(--puls-line);
  }

  .service-section .service-node__topline {
    gap: 0.5rem;
  }

  .service-section .service-node__role {
    font-size: 0.5625rem;
  }

  .service-section .service-node__content h3 {
    font-size: clamp(1.125rem, 5vw, 1.6rem);
  }

  .service-section .service-node__content p {
    font-size: 0.6875rem;
  }

  .service-section .chapter-footer {
    gap: 0.75rem;
  }

  .service-section .chapter-footer .microcopy {
    display: none;
  }

  .installation-section > .shell {
    gap: clamp(0.5rem, 1.5svb, 1rem);
  }

  .installation-section .installation-heading {
    grid-template-columns: 1fr;
    gap: 0.375rem;
  }

  .installation-section .installation-heading__lead {
    font-size: 0.8125rem;
  }

  .installation-section .installation-board {
    grid-template-columns: 1fr;
    gap: clamp(0.75rem, 2svb, 1.25rem);
    padding: clamp(0.75rem, 3svb, 1.25rem);
  }

  .installation-section .installation-board__statement {
    margin-block-start: 0.625rem;
    font-size: clamp(1.25rem, 6vw, 2rem);
  }

  .installation-section .installation-board__intro .button {
    margin-block-start: 0.75rem;
  }

  .installation-section .installation-stages {
    grid-template-rows: repeat(3, minmax(0, 1fr));
  }

  .installation-section .installation-stage {
    gap: 0.75rem;
    padding-block: clamp(0.625rem, 1.5svb, 1rem);
  }

  .installation-section .installation-stage h3 {
    font-size: clamp(1.0625rem, 4.5vw, 1.4rem);
  }

  .installation-section .installation-stage p {
    font-size: 0.6875rem;
  }

  .sets-section > .shell {
    gap: clamp(0.5rem, 1.5svb, 1rem);
  }

  .set-rondel {
    gap: 0.375rem;
  }

  .set-card {
    grid-template-columns: 1fr;
  }

  .set-card__visual {
    min-block-size: clamp(8rem, 20svb, 12rem);
    padding: 0.5rem;
  }

  .set-card__object {
    inline-size: clamp(6rem, 24vw, 9rem);
    block-size: clamp(7rem, 18svb, 10rem);
  }

  .set-card__objects--dual .set-card__object {
    inline-size: clamp(5rem, 20vw, 7rem);
  }

  .set-card__body {
    padding: clamp(0.625rem, 2.5svb, 1.25rem);
  }

  .set-card__body h3 {
    margin-block-start: 0.5rem;
    font-size: clamp(2rem, 10vw, 3.25rem);
  }

  .set-card__facts {
    margin-block-start: 0.5rem;
  }

  .set-card__facts div {
    padding-block: 0.3rem;
  }

  .set-card__rms {
    margin-block-start: 0.375rem;
    font-size: 0.625rem;
  }

  .set-card__body .technical-details summary {
    min-block-size: 2.25rem;
  }

  .set-card__body .set-service-note {
    font-size: 0.625rem;
  }

  .set-card__body .set-actions {
    margin-block-start: 0.375rem;
  }

  .set-card__body .set-actions .button {
    inline-size: 100%;
  }

  .set-rondel__controls {
    gap: 0.5rem;
  }

  .set-rondel__arrow,
  .set-rondel__dots button {
    min-inline-size: 2.5rem;
    inline-size: 2.5rem;
    min-block-size: 2.5rem;
  }

  .sets-section .sets-disclaimer {
    font-size: 0.625rem;
  }
}

@media (max-width: 30rem) {
  .set-card__visual {
    min-block-size: clamp(7rem, 17svb, 9rem);
  }

  .set-card__object {
    block-size: clamp(6rem, 15svb, 8rem);
  }

  .set-card__body h3 {
    font-size: clamp(1.875rem, 10vw, 2.75rem);
  }

  .set-card__facts dd {
    font-size: 0.6875rem;
  }
}


/* Mobile-first viewport corrections */
.legal-main {
  min-block-size: calc(var(--viewport-block) - var(--header-block) - var(--action-block));
  padding-block-start: calc(var(--header-block) + var(--chapter-padding));
  padding-block-end: calc(var(--chapter-padding) + var(--action-block));
  background: var(--puls-paper);
  color: var(--puls-ink);
}

.legal-shell {
  max-inline-size: 64rem;
}

.legal-main h1 {
  max-inline-size: 14ch;
  margin-block-start: clamp(0.75rem, 2svb, 1.5rem);
  font-size: clamp(2.75rem, 8vw, 6rem);
  line-height: 0.95;
}

.legal-copy {
  max-inline-size: 72ch;
  margin-block-start: clamp(2rem, 5svb, 4rem);
}

.legal-copy h2 {
  margin-block-start: clamp(2rem, 4svb, 3rem);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.1;
}

.legal-copy h2:first-child {
  margin-block-start: 0;
}

.legal-copy p {
  margin-block-start: 0.75rem;
  color: var(--puls-muted);
  font-size: clamp(0.9375rem, 0.9rem + 0.15vw, 1.0625rem);
  line-height: 1.65;
}

.legal-copy a {
  color: var(--puls-blue);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

@media (max-width: 48rem) {
  .faq-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(1rem, 4svb, 1.75rem);
    min-inline-size: 0;
  }

  .faq-list {
    min-inline-size: 0;
  }

  .faq-list summary {
    min-block-size: clamp(3rem, 6svb, 4rem);
    font-size: clamp(0.875rem, 4vw, 1rem);
    line-height: 1.35;
    overflow-wrap: anywhere;
  }

  .installation-section > .shell,
  .sets-section > .shell {
    block-size: auto;
    align-content: start;
    grid-template-rows: auto auto;
  }

  .installation-section .installation-board {
    block-size: auto;
    gap: clamp(0.5rem, 1.5svb, 0.875rem);
    padding: clamp(0.75rem, 2.5svb, 1.125rem);
  }

  .installation-section .installation-board__statement {
    display: none;
  }

  .installation-section .installation-board__intro .button {
    margin-block-start: 0.625rem;
  }

  .installation-section .installation-stages {
    grid-template-rows: repeat(3, auto);
  }

  .installation-section .installation-stage {
    min-block-size: 0;
    gap: 0.5rem;
    padding-block: clamp(0.5rem, 1.1svb, 0.75rem);
  }

  .installation-section .installation-stage p {
    font-size: clamp(0.625rem, 2.8vw, 0.6875rem);
  }

  .set-rondel {
    grid-template-rows: auto auto auto;
    gap: 0.375rem;
  }

  .set-rondel__stage {
    min-block-size: auto;
    align-items: start;
  }

  .set-card {
    min-inline-size: 0;
    align-self: start;
  }

  .set-card__visual {
    min-block-size: clamp(7rem, 16svb, 9rem);
    padding: 0.375rem;
  }

  .set-card__object {
    inline-size: clamp(5.75rem, 23vw, 8rem);
    block-size: clamp(6rem, 14svb, 8rem);
  }

  .set-card__objects--dual .set-card__object {
    inline-size: clamp(4.75rem, 19vw, 6.5rem);
  }

  .set-card__body {
    padding: clamp(0.625rem, 2svb, 1rem);
  }

  .set-card__body h3 {
    margin-block-start: 0.375rem;
    font-size: clamp(1.875rem, 9vw, 2.75rem);
  }

  .set-card__facts {
    margin-block-start: 0.375rem;
  }

  .set-card__facts div {
    grid-template-columns: minmax(4rem, 0.3fr) minmax(0, 1fr);
    gap: 0.5rem;
    padding-block: clamp(0.25rem, 0.8svb, 0.4rem);
  }

  .set-card__facts dd {
    font-size: clamp(0.6875rem, 3vw, 0.8125rem);
  }

  .set-card__rms {
    margin-block-start: 0.25rem;
  }

  .set-card__body .technical-details {
    margin-block-start: 0.125rem;
  }

  .set-card__body .technical-details summary {
    min-block-size: 2.25rem;
  }

  .set-card__body .set-service-note {
    margin-block-start: 0.125rem;
  }

  .set-card__body .set-actions {
    margin-block-start: 0.25rem;
  }

  .legal-main {
    padding-block-start: calc(var(--header-block) + clamp(1.5rem, 5svb, 2.5rem));
  }

  .legal-copy {
    margin-block-start: clamp(1.5rem, 5svb, 2.5rem);
  }

  .legal-copy h2 {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
  }
}



/* Round 3: make rental conditions scannable at the point of set selection. */
.set-card__body .set-rental-terms {
  order: 6;
  display: grid;
  margin-block-start: clamp(0.4rem, 1svb, 0.75rem);
  border-block-start: var(--line) solid var(--puls-line);
}

.set-rental-terms div {
  display: grid;
  grid-template-columns: minmax(4.5rem, 0.35fr) minmax(0, 1fr);
  gap: 0.625rem;
  padding-block: 0.45rem;
  border-block-end: var(--line) solid var(--puls-line);
}

.set-rental-terms dt {
  color: var(--puls-steel);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.set-rental-terms dd {
  margin: 0;
  color: var(--puls-muted);
  font-size: 0.75rem;
  line-height: 1.35;
}

@media (max-width: 48rem) {
  .set-rental-terms div {
    grid-template-columns: minmax(4.2rem, 0.32fr) minmax(0, 1fr);
    gap: 0.5rem;
    padding-block: 0.35rem;
  }

  .set-rental-terms dt,
  .set-rental-terms dd {
    font-size: 0.6875rem;
  }
}


/* Round 4: enforce the CTA budget without losing local request context. */
.form-mode-switch {
  display: flex;
  grid-template-columns: none;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.form-mode-switch__current {
  flex: 1 1 auto;
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  line-height: 1.25;
  text-transform: uppercase;
}

.form-mode-switch__button {
  flex: 0 0 auto;
}

.contact-links > p {
  display: flex;
  min-block-size: 3.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-block-end: var(--line) solid rgba(245, 245, 243, 0.22);
}

@media (max-width: 48rem) {
  .contact-links > p {
    min-block-size: 2.75rem;
  }
}