:root {
  --font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;

  --font-display: clamp(2.5rem, 1.85rem + 2.7vw, 4rem);
  --font-h1: clamp(2.25rem, 1.8rem + 1.9vw, 3.25rem);
  --font-h2: clamp(1.875rem, 1.6rem + 1.15vw, 2.5rem);
  --font-h3: clamp(1.3125rem, 1.2rem + .45vw, 1.5rem);
  --font-lead: clamp(1.125rem, 1.06rem + .25vw, 1.3125rem);
  --font-body: clamp(1rem, .98rem + .08vw, 1.0625rem);
  --font-small: .875rem;

  --measure-body: 42rem;
  --measure-lead: 48rem;
  --measure-heading: 56rem;

  --color-bg: #ffffff;
  --color-bg-soft: #f7f6f4;
  --color-surface: #ffffff;
  --color-text: #171719;
  --color-text-muted: #65646a;
  --color-line: #dedde0;
  --color-accent: #E00B32;
  --color-on-accent: #ffffff;

  --gradient-blue: #99a8df;
  --gradient-lavender: #c0addc;
  --gradient-rose: #d9b2c8;
  --gradient-peach: #efb2b3;
  --gradient-deep: #b16182;
  --gradient-night: #2f355c;
  --gradient-master: linear-gradient(
    180deg,
    var(--gradient-blue) 0%,
    var(--gradient-lavender) 34%,
    var(--gradient-rose) 58%,
    var(--gradient-peach) 79%,
    var(--gradient-deep) 90%,
    var(--gradient-night) 100%
  );

  --container-max: 1280px;
  --page-gutter: clamp(20px, 4vw, 64px);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  --section-space-sm: clamp(64px, 8vw, 96px);
  --section-space-md: clamp(80px, 10vw, 128px);
  --section-space-lg: clamp(96px, 12vw, 160px);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --border-width: 1px;
  --border-color: var(--color-line);
  --shadow-soft: 0 8px 32px rgba(20, 20, 25, .06);

  --motion-fast: 160ms;
  --motion-base: 280ms;
  --motion-slow: 500ms;
  --ease-standard: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-body);
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }

:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 100;
  padding: 10px 14px;
  background: var(--color-text);
  color: #fff;
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
  transition: transform var(--motion-fast) var(--ease-standard);
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - (2 * var(--page-gutter))), var(--container-max));
  margin-inline: auto;
}
.container--narrow { max-width: 880px; }

.measure-body { max-width: var(--measure-body); }
.measure-lead { max-width: var(--measure-lead); }
.measure-heading { max-width: var(--measure-heading); }
.muted { color: var(--color-text-muted); }

.type-display, .type-h1, .type-h2, .type-h3, .type-lead, .type-body, .type-small { margin: 0; }
.type-display { font-size: var(--font-display); line-height: 1.02; letter-spacing: -.035em; font-weight: 500; }
.type-h1 { font-size: var(--font-h1); line-height: 1.08; letter-spacing: -.03em; font-weight: 500; }
.type-h2 { font-size: var(--font-h2); line-height: 1.12; letter-spacing: -.025em; font-weight: 500; }
.type-h3 { font-size: var(--font-h3); line-height: 1.22; letter-spacing: -.015em; font-weight: 500; }
.type-lead { font-size: var(--font-lead); line-height: 1.5; font-weight: 400; }
.type-body { font-size: var(--font-body); line-height: 1.58; font-weight: 400; }
.type-small { font-size: var(--font-small); line-height: 1.4; }

.eyebrow, .spec-label {
  margin: 0;
  font-size: var(--font-small);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: .095em;
  text-transform: uppercase;
}
.eyebrow { color: var(--color-text-muted); }
.eyebrow--light { color: rgba(255,255,255,.82); }
.spec-label { color: var(--color-text-muted); }

.site-header {
  border-bottom: var(--border-width) solid var(--border-color);
  background: rgba(255,255,255,.92);
}
.site-header__inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.site-header__title { margin: 5px 0 0; font-size: 1rem; font-weight: 500; }
.site-header__meta { margin: 0; color: var(--color-text-muted); font-size: var(--font-small); }

.section { padding-block: var(--section-space-md); }
.section--intro { padding-block: var(--section-space-sm) var(--section-space-lg); }
.section--soft { background: var(--color-bg-soft); }
.section-heading { display: grid; gap: 10px; margin-bottom: var(--space-8); }
.section--intro .type-h1 { margin-top: var(--space-5); }
.section--intro .type-lead { margin-top: var(--space-6); }

.type-specimens { border-top: var(--border-width) solid var(--border-color); }
.type-specimen {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
  padding-block: var(--space-7);
  border-bottom: var(--border-width) solid var(--border-color);
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}
.swatch {
  display: grid;
  grid-template-columns: 48px 1fr;
  grid-template-areas: "color name" "color value";
  column-gap: var(--space-4);
  align-items: center;
  min-height: 84px;
}
.swatch__color {
  grid-area: color;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(23,23,25,.12);
}
.swatch span:not(.swatch__color) { grid-area: name; font-weight: 500; }
.swatch code { grid-area: value; color: var(--color-text-muted); font: inherit; font-size: var(--font-small); }
.swatch__color--white { background: var(--color-bg); }
.swatch__color--soft { background: var(--color-bg-soft); }
.swatch__color--text { background: var(--color-text); }
.swatch__color--muted { background: var(--color-text-muted); }
.swatch__color--line { background: var(--color-line); }
.swatch__color--accent { background: var(--color-accent); }

.gradient-stage {
  position: relative;
  min-height: clamp(560px, 72vh, 820px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: var(--gradient-master);
}
.gradient-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.02) 44%, rgba(60,46,80,.06) 72%, rgba(17,20,40,.12) 100%);
  pointer-events: none;
}
.gradient-stage__inner { position: relative; z-index: 1; padding-block: var(--section-space-lg); }
.gradient-stage .type-display { margin-top: var(--space-4); }
.gradient-stage .type-lead { margin-top: var(--space-5); color: rgba(255,255,255,.92); }

.hero-preview { display:grid; justify-items:center; align-content:center; text-align:center; min-height:clamp(560px,72vh,820px); padding-block:clamp(72px,10vw,128px); }
.hero-preview__logo { width: clamp(280px, 34vw, 540px); height: auto; overflow: visible; }
.hero-preview__title { margin:clamp(48px,6vw,78px) 0 0; color:#0e0e10; font-size:clamp(2rem,1.55rem + 1.7vw,3rem); line-height:1.08; letter-spacing:-.025em; font-weight:500; }
.hero-preview__premiere { margin:clamp(56px,7vw,90px) 0 0; color:#fff; font-size:clamp(1rem,.9rem + .5vw,1.45rem); line-height:1.25; font-weight:600; letter-spacing:.01em; }
.hero-preview__premiere-break { display:none; }
.hero-preview__premiere-sep { display:inline; }

.gradient-stars {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.gradient-stars span {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  filter: blur(.3px);
}
.gradient-stars span:nth-child(1) { left: 6%; top: 14%; width: 2px; height: 2px; opacity: .52; }
.gradient-stars span:nth-child(2) { left: 12%; top: 28%; width: 3px; height: 3px; opacity: .36; }
.gradient-stars span:nth-child(3) { left: 18%; top: 11%; width: 1px; height: 1px; opacity: .48; }
.gradient-stars span:nth-child(4) { left: 24%; top: 35%; width: 2px; height: 2px; opacity: .4; }
.gradient-stars span:nth-child(5) { left: 29%; top: 20%; width: 1px; height: 1px; opacity: .45; }
.gradient-stars span:nth-child(6) { left: 34%; top: 8%; width: 3px; height: 3px; opacity: .5; }
.gradient-stars span:nth-child(7) { left: 41%; top: 30%; width: 2px; height: 2px; opacity: .34; }
.gradient-stars span:nth-child(8) { left: 47%; top: 16%; width: 1px; height: 1px; opacity: .52; }
.gradient-stars span:nth-child(9) { left: 53%; top: 10%; width: 2px; height: 2px; opacity: .46; }
.gradient-stars span:nth-child(10) { left: 58%; top: 33%; width: 3px; height: 3px; opacity: .32; }
.gradient-stars span:nth-child(11) { left: 64%; top: 18%; width: 1px; height: 1px; opacity: .58; }
.gradient-stars span:nth-child(12) { left: 69%; top: 40%; width: 2px; height: 2px; opacity: .38; }
.gradient-stars span:nth-child(13) { left: 74%; top: 12%; width: 2px; height: 2px; opacity: .5; }
.gradient-stars span:nth-child(14) { left: 79%; top: 25%; width: 1px; height: 1px; opacity: .48; }
.gradient-stars span:nth-child(15) { left: 85%; top: 14%; width: 3px; height: 3px; opacity: .37; }
.gradient-stars span:nth-child(16) { left: 90%; top: 31%; width: 2px; height: 2px; opacity: .43; }
.gradient-stars span:nth-child(17) { left: 8%; top: 46%; width: 1px; height: 1px; opacity: .36; }
.gradient-stars span:nth-child(18) { left: 16%; top: 55%; width: 2px; height: 2px; opacity: .28; }
.gradient-stars span:nth-child(19) { left: 28%; top: 47%; width: 2px; height: 2px; opacity: .31; }
.gradient-stars span:nth-child(20) { left: 39%; top: 57%; width: 1px; height: 1px; opacity: .34; }
.gradient-stars span:nth-child(21) { left: 52%; top: 51%; width: 2px; height: 2px; opacity: .26; }
.gradient-stars span:nth-child(22) { left: 66%; top: 59%; width: 1px; height: 1px; opacity: .29; }
.gradient-stars span:nth-child(23) { left: 81%; top: 49%; width: 2px; height: 2px; opacity: .25; }
.gradient-stars span:nth-child(24) { left: 93%; top: 58%; width: 1px; height: 1px; opacity: .28; }

.control-row { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-weight: 500;
  line-height: 1.25;
  cursor: pointer;
  transition: transform var(--motion-fast) var(--ease-standard), background-color var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard), opacity var(--motion-fast) var(--ease-standard);
}
.button--primary { background: var(--color-accent); color: var(--color-on-accent); }
.button--secondary { border-color: var(--color-text); background: transparent; color: var(--color-text); }
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button--primary:hover:not(:disabled) { opacity: .86; }
.button--secondary:hover:not(:disabled) { background: var(--color-bg-soft); }
.button:active:not(:disabled) { transform: translateY(0); }
.button:disabled { opacity: .35; cursor: not-allowed; }
.text-link {
  color: var(--color-accent);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-inline: 4px;
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
  font-weight: 500;
}
.text-link:hover { text-decoration-thickness: 2px; }
.state-note { margin: var(--space-5) 0 0; color: var(--color-text-muted); }

.benefit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.benefit-grid--final { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.benefit-card {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-6);
  padding: clamp(24px, 3vw, 40px);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.benefit-card--featured {
  max-width: 720px;
  min-height: auto;
  gap: var(--space-5);
}
.benefit-card--promo {
  grid-column: 2;
  background: var(--gradient-master);
  border-color: transparent;
  box-shadow: var(--shadow-soft);
  color: #ffffff;
  text-align: center;
}
.benefit-card--promo .benefit-card__icon { color: var(--color-text); }
.benefit-card--promo .benefit-card__icon path { fill: currentColor; }
.benefit-card--promo .type-h3 { color: var(--color-text); }
.benefit-card--promo .promo-pricing,
.benefit-card--promo .muted { color: #ffffff; }
.benefit-card__topline {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}
.benefit-card__content {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}
/* Original icons are embedded directly as inline SVG in the HTML and also included as local asset files. */
.benefit-card__icon {
  width: 60px;
  height: 60px;
  flex: 0 0 auto;
  display: block;
}
.benefit-card .type-h3 { text-transform: uppercase; }
.benefit-card:not(.benefit-card--featured) .disclosure { margin-top: auto; }
.benefit-card__content--promo {
  gap: 10px;
  justify-items: center;
  text-align: center;
}
.benefit-card--promo .benefit-card__topline {
  justify-content: center;
}
/* Final dealer-benefit cards: keep internal content baselines aligned across the three-column row. */
.benefit-grid--final > .benefit-card:not(.benefit-card--promo) {
  justify-content: flex-start;
}
.benefit-grid--final > .benefit-card:not(.benefit-card--promo) .benefit-card__content {
  flex: 1 1 auto;
  grid-template-rows: auto auto 1fr;
}
.benefit-grid--final > .benefit-card:not(.benefit-card--promo) .disclosure {
  align-self: end;
  margin-top: 0;
}

.promo-pricing { font-size: clamp(1.125rem, 1.04rem + .25vw, 1.3125rem); line-height: 1.45; }
.promo-pricing strong { font-size: 1.2em; font-weight: 600; }

.photo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); }
.photo-frame { margin: 0; overflow: hidden; border-radius: var(--radius-lg); aspect-ratio: 4 / 3; background: var(--color-line); }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }

.disclosure { color: var(--color-text); }
.disclosure summary {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  cursor: pointer;
  font-weight: 500;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}
.disclosure summary > * { pointer-events: none; }
.disclosure summary::-webkit-details-marker { display: none; }
.disclosure summary::marker { content: ""; }
.disclosure__icon {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
}
.disclosure__icon::before, .disclosure__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform var(--motion-base) var(--ease-standard);
}
.disclosure__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.disclosure[open] .disclosure__icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.disclosure__content { padding-top: var(--space-4); color: var(--color-text-muted); }
.disclosure__content > :first-child { margin-top: 0; }
.disclosure__content > :last-child { margin-bottom: 0; }
.disclosure--inline { border-top: 1px solid var(--border-color); }
.disclosure--inline summary { padding-top: var(--space-3); color: var(--color-accent); }
.disclosure--panel { border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.disclosure--panel summary { min-height: 72px; font-size: var(--font-lead); }
.disclosure--panel .disclosure__content { padding: 0 0 var(--space-6); }
.detail-list { margin: 0; padding-left: 1.2em; display: grid; gap: var(--space-2); }


.heritage-section {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--gradient-master);
}
.heritage-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.02) 44%, rgba(60,46,80,.06) 72%, rgba(17,20,40,.12) 100%);
  pointer-events: none;
}
.heritage-section__inner {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  text-align: center;
  padding-block: clamp(88px, 10vw, 144px);
}
.heritage-section__logo {
  width: clamp(180px, 20vw, 290px);
  height: auto;
  margin-bottom: clamp(42px, 5vw, 68px);
}
.heritage-section__content {
  display: grid;
  justify-items: center;
  gap: var(--space-5);
  max-width: 66rem;
}
.heritage-section__content .eyebrow {
  color: rgba(255,255,255,.76);
}
.heritage-section__content .type-h2 {
  color: #fff;
}
.heritage-section__content .type-lead {
  max-width: 64rem;
  color: rgba(255,255,255,.94);
}
.heritage-section__warranty {
  display: grid;
  gap: var(--space-2);
  margin-top: clamp(24px, 3vw, 40px);
}
.heritage-section__warranty .type-body {
  color: rgba(255,255,255,.9);
}
.heritage-section__warranty-strong {
  margin: 0;
  font-size: clamp(1.25rem, 1.08rem + .55vw, 1.65rem);
  line-height: 1.3;
  font-weight: 600;
  color: #fff;
}

.product-list { border-top: 1px solid var(--border-color); }
.product-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .8fr);
  gap: var(--space-7);
  align-items: start;
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--border-color);
}
.product-row .muted { margin: var(--space-2) 0 0; }
.product-row__details { align-self: start; }


.product-system__intro {
  display: grid;
  gap: var(--space-5);
  margin-bottom: clamp(48px, 6vw, 80px);
}
.product-system__intro .type-h2 { margin-top: var(--space-2); }
.product-system__panel {
  padding: clamp(32px, 5vw, 68px);
  border-radius: clamp(28px, 4vw, 52px);
  background: var(--color-surface);
}
.product-system__overview {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: center;
  padding-bottom: clamp(40px, 5vw, 72px);
}
.product-system__copy {
  display: grid;
  gap: var(--space-4);
  max-width: 31rem;
}
.product-system__title { font-size: clamp(1.65rem, 1.4rem + .8vw, 2.25rem); }
.product-system__copy p { margin: 0; }
.product-system__visual {
  margin: 0;
  min-width: 0;
}
.product-system__visual img {
  width: 100%;
  max-height: 390px;
  object-fit: contain;
}
.product-list--system {
  border-top: 1px solid var(--border-color);
}
.product-list--system .product-row {
  grid-template-columns: minmax(0, 1fr) minmax(280px, .85fr);
  padding-block: clamp(28px, 3vw, 42px);
}
.product-list--system .product-row__details summary {
  min-height: 52px;
}
.product-system__note {
  margin: 0;
  padding-top: clamp(28px, 3vw, 42px);
  font-weight: 500;
  max-width: 48rem;
}

.product-standards {
  display: grid;
  justify-items: center;
  gap: clamp(32px, 4vw, 52px);
  padding-top: clamp(52px, 6vw, 88px);
}
.product-standards__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(34px, 5vw, 76px);
}
.product-standards__logos img {
  width: auto;
  height: clamp(84px, 8vw, 118px);
  max-width: 180px;
  object-fit: contain;
}
.product-standards__copy {
  margin: 0;
  max-width: 52rem;
  text-align: center;
  color: var(--color-text-muted);
}


.zip-system__intro {
  display: grid;
  gap: var(--space-5);
  margin-bottom: clamp(40px, 5vw, 68px);
}
.zip-system__intro .type-h2 { margin-top: var(--space-2); }
.zip-system__layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 68px);
  align-items: start;
}
.zip-system__photo,
.zip-system__gallery-main {
  background: rgba(255,255,255,.52);
}
.zip-system__detail-column {
  display: grid;
  gap: clamp(22px, 3vw, 30px);
}
.zip-system__gallery {
  display: grid;
  gap: var(--space-4);
}
.zip-system__gallery-main {
  margin: 0;
}
.zip-system__gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 640ms var(--ease-standard);
}
.zip-system__gallery-main img.is-fading {
  opacity: .28;
}
.zip-system__gallery-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 22px;
}
.zip-system__dot {
  width: 28px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-pill);
  background: rgba(23, 23, 25, .18);
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-standard), transform var(--motion-fast) var(--ease-standard), width var(--motion-fast) var(--ease-standard);
}
.zip-system__dot:hover {
  background: rgba(224, 11, 50, .36);
  transform: translateY(-1px);
}
.zip-system__dot.is-active {
  width: 38px;
  background: var(--color-accent);
}
.zip-system__textstack {
  display: grid;
  gap: clamp(28px, 3vw, 42px);
}
.zip-system__textblock {
  display: grid;
  gap: var(--space-3);
}
.zip-system__textblock .type-body {
  max-width: 28rem;
}

.landing-intro {
  padding-top: clamp(68px, 8vw, 108px);
}
.landing-intro__gallery {
  display: grid;
  gap: var(--space-4);
}
.landing-intro__media {
  margin: 0;
  overflow: hidden;
  border-radius: clamp(22px, 2.4vw, 34px);
  aspect-ratio: 16 / 6.6;
  background: var(--color-line);
}
.landing-intro__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: opacity 640ms var(--ease-standard);
}
.landing-intro__media img.is-fading { opacity: .28; }
.landing-intro__dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  min-height: 20px;
}
.landing-intro__dot {
  width: 22px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-pill);
  background: rgba(23,23,25,.17);
  cursor: pointer;
  transition: width var(--motion-fast) var(--ease-standard), background var(--motion-fast) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
}
.landing-intro__dot:hover {
  transform: translateY(-1px);
  background: rgba(224,11,50,.34);
}
.landing-intro__dot.is-active {
  width: 34px;
  background: var(--color-accent);
}
.landing-intro__copy {
  display: grid;
  gap: var(--space-5);
  max-width: 60rem;
  margin: clamp(56px, 7vw, 92px) auto 0;
  text-align: center;
}
.landing-intro__copy .type-lead {
  max-width: 58rem;
}
.landing-intro__benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 62px);
  margin-top: clamp(58px, 7vw, 94px);
}
.landing-intro__benefit {
  text-align: center;
}
.landing-intro__benefit-icon {
  width: 60px;
  height: 60px;
  display: block;
  margin: 0 auto var(--space-5);
}
.landing-intro__benefit .type-h3 {
  text-transform: uppercase;
}
.landing-intro__benefit .type-body {
  max-width: 22rem;
  margin: var(--space-2) auto 0;
}

.site-footer { padding-block: var(--space-7); border-top: 1px solid var(--border-color); }
.site-footer__inner { display: flex; justify-content: space-between; gap: var(--space-5); color: var(--color-text-muted); font-size: var(--font-small); }
.site-footer p { margin: 0; }

@media (max-width: 1199px) {
  .swatch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .benefit-grid--final { gap: var(--space-4); }
  .benefit-grid--final .benefit-card { padding: clamp(22px, 2.6vw, 30px); }
  .product-system__overview { grid-template-columns: minmax(0, .95fr) minmax(300px, 1.05fr); gap: var(--space-7); }
  .zip-system__layout { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); }
}

@media (max-width: 767px) {
  .site-header__inner { min-height: 76px; align-items: flex-start; padding-block: var(--space-5); }
  .site-header__meta { display: none; }
  .section-heading { margin-bottom: var(--space-7); }
  .type-specimen { grid-template-columns: 1fr; gap: var(--space-4); padding-block: var(--space-6); }
  .swatch-grid { grid-template-columns: 1fr; }
  .gradient-stage { min-height: 620px; }
  .hero-preview { min-height:620px; padding-block:72px; }
  .hero-preview__logo { width:min(78vw,380px); }
  .hero-preview__title { margin-top:46px; }
  .hero-preview__premiere { margin-top:58px; font-size:1.14rem; line-height:1.32; letter-spacing:.02em; }
  .hero-preview__premiere { display:block; text-align:center; }
  .hero-preview__premiere-break { display:block; }
  .hero-preview__premiere-sep { display:none; }
  .control-row { align-items: stretch; flex-direction: column; }
  .button, .text-link { width: 100%; justify-content: center; }
  .benefit-grid, .benefit-grid--final { grid-template-columns: 1fr; }
  .benefit-card--promo { grid-column: auto; }
  .benefit-card { min-height: 220px; }
  .photo-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .landing-intro__media { aspect-ratio: 4 / 3; border-radius: var(--radius-lg); }
  .landing-intro__copy { margin-top: var(--space-7); text-align: left; }
  .landing-intro__benefits { grid-template-columns: 1fr; gap: var(--space-7); margin-top: var(--space-8); }
  .landing-intro__benefit { text-align: left; }
  .landing-intro__benefit-icon { margin: 0 0 var(--space-5); }
  .landing-intro__benefit .type-body { margin-left: 0; margin-right: 0; }
  .product-system__intro { margin-bottom: var(--space-7); }
  .product-system__panel { padding: 28px 22px 30px; border-radius: 28px; }
  .product-system__overview { grid-template-columns: 1fr; gap: var(--space-6); padding-bottom: var(--space-7); }
  .product-system__copy { max-width: none; }
  .product-system__visual { order: -1; }
  .product-system__visual img { max-height: 280px; }
  .product-list--system .product-row, .product-row { grid-template-columns: 1fr; gap: var(--space-5); }
  .product-system__note { padding-top: var(--space-6); }
  .product-standards { padding-top: var(--space-8); gap: var(--space-6); }
  .product-standards__logos { gap: var(--space-6); }
  .product-standards__logos img { height: 76px; max-width: 132px; }
  .zip-system__intro { margin-bottom: var(--space-7); }
  .zip-system__layout { grid-template-columns: 1fr; gap: var(--space-6); }
  .zip-system__detail-column { gap: var(--space-5); }
  .zip-system__textstack { gap: var(--space-6); }
  .heritage-section__inner { padding-block: clamp(72px, 18vw, 96px); }
  .heritage-section__logo { width: min(58vw, 220px); margin-bottom: var(--space-7); }
  .heritage-section__content { gap: var(--space-4); }
  .heritage-section__warranty { margin-top: var(--space-5); }
  .site-footer__inner { flex-direction: column; gap: var(--space-2); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}


/* Principle Sticky Explainer */
.principle-section {
  overflow: visible;
}
.principle-intro {
  display: grid;
  gap: var(--space-5);
  padding-bottom: clamp(158px, 16.6vw, 232px);
}
.principle-explainer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: stretch;
}
.principle-visual-column {
  min-width: 0;
  align-self: stretch;
  position: relative;
}
.principle-visual-sticky {
  position: sticky;
  top: 55vh;
  transform: translateY(-50%);
  display: grid;
  gap: var(--space-4);
  width: 100%;
}
.principle-visual {
  position: relative;
  width: 100%;
}
.principle-visual__image {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.principle-visual__caption {
  margin: 0;
  color: var(--color-text-muted);
}
.principle-hotspot {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(23,23,25,.22);
  color: var(--color-text);
  font-size: .75rem;
  line-height: 1;
  font-weight: 600;
  transform: translate(-50%, -50%) scale(1);
  opacity: .48;
  transition: opacity var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard), background-color var(--motion-base) var(--ease-standard), color var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard);
}
.principle-hotspot.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.06);
}
.principle-steps {
  min-width: 0;
  padding-bottom: clamp(72px, 11vh, 112px);
}
.principle-step {
  min-height: 34vh;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: var(--space-5);
  align-content: center;
  padding-block: var(--space-7);
  opacity: .28;
  transform: translateY(10px);
  transition: opacity var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard);
}
.principle-step.is-active {
  opacity: 1;
  transform: translateY(0);
}
.principle-step__number {
  margin: 2px 0 0;
  color: var(--color-accent);
  font-size: var(--font-small);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: .06em;
}
.principle-step__body {
  display: grid;
  gap: var(--space-4);
  max-width: 34rem;
}
.principle-step__body p {
  margin: 0;
  color: var(--color-text-muted);
}
.principle-step.is-active .principle-step__body p {
  color: var(--color-text);
}

.principle-step[data-step="5"] {
  min-height: 30vh;
  align-content: start;
  padding-top: clamp(18px, 2.2vw, 28px);
  padding-bottom: clamp(126px, 14vh, 176px);
}


@media (min-width: 768px) and (max-width: 999px) {
  .principle-explainer {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 56px);
  }
  .principle-steps {
    padding-bottom: clamp(64px, 10vh, 96px);
  }
  .principle-step {
    min-height: 31.5vh;
  }
  .principle-step[data-step="5"] {
    min-height: 29vh;
    padding-top: clamp(14px, 1.8vw, 22px);
    padding-bottom: clamp(104px, 12vh, 144px);
  }
  .principle-hotspot {
    width: 34px;
    height: 34px;
    font-size: .7rem;
  }
}

@media (max-width: 767px) {
  .principle-section {
    padding-bottom: var(--section-space-sm);
  }
  .principle-intro {
    gap: var(--space-4);
    padding-bottom: clamp(40px, 11vw, 58px);
  }
  .principle-intro .type-lead {
    line-height: 1.48;
  }

  /* Mobile keeps the same storytelling principle: visual stays visible while the five steps move past it. */
  .principle-explainer {
    display: block;
  }
  .principle-visual-column {
    position: sticky;
    top: 8px;
    z-index: 4;
    width: 100%;
    padding-block: 6px 8px;
    background: rgba(255,255,255,.98);
  }
  .principle-visual-sticky {
    position: static;
    top: auto;
    transform: none;
    gap: 10px;
  }
  .principle-visual {
    width: calc(100% + 12px);
    margin-left: -6px;
  }
  .principle-visual__image {
    width: 100%;
  }
  .principle-visual__caption {
    padding-inline: 2px;
    font-size: .78rem;
  }
  .principle-hotspot {
    width: 30px;
    height: 30px;
    font-size: .66rem;
    opacity: .42;
    background: rgba(255,255,255,.92);
  }
  .principle-hotspot.is-active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.05);
  }

  .principle-steps {
    position: relative;
    z-index: 1;
    padding-top: clamp(8px, 2.8vw, 14px);
    padding-bottom: 7vh;
  }
  .principle-step {
    min-height: 24vh;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: var(--space-4);
    align-content: center;
    padding-block: clamp(12px, 4vw, 18px);
    border-top: 1px solid var(--border-color);
    opacity: .28;
    transform: translateY(8px);
  }
  .principle-step:last-child {
    min-height: 28vh;
    border-bottom: 1px solid var(--border-color);
  }
  .principle-step.is-active {
    opacity: 1;
    transform: translateY(0);
  }
  .principle-step__number {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    margin: 0;
    border-radius: 50%;
    background: rgba(224,11,50,.12);
    color: var(--color-accent);
    letter-spacing: 0;
    font-size: .72rem;
    transition: background-color var(--motion-base) var(--ease-standard), color var(--motion-base) var(--ease-standard);
  }
  .principle-step.is-active .principle-step__number {
    background: var(--color-accent);
    color: #fff;
  }
  .principle-step__body {
    gap: 10px;
    max-width: none;
  }
  .principle-step__body p {
    color: var(--color-text-muted);
    line-height: 1.48;
  }
  .principle-step.is-active .principle-step__body p {
    color: var(--color-text);
  }
}

/* FAQ + Messe CTA */
.faq-section {
  background: #000;
  color: #fff;
}
.faq-section__inner {
  padding-block: clamp(88px, 10vw, 144px);
}
.faq-section__title {
  margin: 0 0 clamp(40px, 5vw, 64px);
  font-size: clamp(3rem, 2.1rem + 3.2vw, 5rem);
  line-height: 1;
  letter-spacing: -.04em;
  font-weight: 400;
}
.faq-list {
  border-top: 1px solid rgba(255,255,255,.22);
}
.faq-item {
  border-bottom: 1px solid rgba(255,255,255,.22);
}
.faq-item summary {
  min-height: clamp(92px, 9vw, 124px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-7);
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  font-size: clamp(1.35rem, 1.12rem + .9vw, 2rem);
  line-height: 1.25;
  font-weight: 600;
}
.faq-item summary > * { pointer-events: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { content: ""; }
.faq-item__icon {
  position: relative;
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
}
.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform var(--motion-base) var(--ease-standard);
}
.faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq-item[open] .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.faq-item__content {
  max-width: 54rem;
  padding: 0 64px clamp(34px, 4vw, 52px) 0;
  color: rgba(255,255,255,.7);
  font-size: var(--font-body);
}
.faq-item__content p { margin: 0; }

.cta-section {
  position: relative;
  overflow: hidden;
  background: var(--gradient-master);
  color: #fff;
}
.cta-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.02) 44%, rgba(60,46,80,.06) 72%, rgba(17,20,40,.12) 100%);
}
.cta-section__inner {
  position: relative;
  z-index: 1;
  min-height: clamp(760px, 82vh, 980px);
  padding-block: clamp(76px, 9vw, 124px);
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
}
.cta-section__logo {
  width: min(42vw, 310px);
  margin-bottom: clamp(38px, 5vw, 64px);
}
.cta-section__content {
  width: min(100%, 900px);
  display: grid;
  justify-items: center;
}
.cta-section__title {
  margin: 0;
  color: #1f1f22;
  font-size: clamp(1.6rem, 1.28rem + 1.1vw, 2.4rem);
  line-height: 1.15;
  font-weight: 600;
}
.cta-section__event,
.cta-section__stand,
.cta-section__copy,
.cta-section__contact-label,
.cta-section__phone {
  margin: 0;
}
.cta-section__event {
  margin-top: var(--space-6);
  color: #26262a;
  font-size: clamp(1.45rem, 1.15rem + 1.35vw, 2.5rem);
  line-height: 1.25;
  font-weight: 400;
}
.cta-section__stand {
  margin-top: var(--space-3);
  color: #26262a;
  font-size: clamp(1.35rem, 1.1rem + 1vw, 2.15rem);
  line-height: 1.2;
  font-weight: 400;
}
.cta-section__copy {
  max-width: 46rem;
  margin-top: clamp(42px, 5vw, 64px);
  font-size: clamp(1.15rem, 1.06rem + .4vw, 1.45rem);
  line-height: 1.5;
}
.cta-section__contact-label {
  margin-top: clamp(32px, 4vw, 48px);
  font-size: clamp(1.15rem, 1.04rem + .45vw, 1.45rem);
  line-height: 1.35;
  font-weight: 600;
}
.cta-section__phone {
  margin-top: var(--space-5);
  color: #fff;
  text-decoration: none;
  font-size: clamp(2.5rem, 1.8rem + 2.6vw, 4.75rem);
  line-height: 1;
  letter-spacing: -.03em;
  font-weight: 600;
}
.cta-section__phone:hover,
.cta-section__phone:focus-visible {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: .12em;
}
.cta-section__mail {
  width: min(100%, 560px);
  min-height: 76px;
  margin-top: clamp(40px, 5vw, 58px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 28px;
  border: 1.5px solid rgba(255,255,255,.85);
  border-radius: var(--radius-pill);
  color: #fff;
  text-decoration: none;
  font-size: clamp(1.2rem, 1.05rem + .5vw, 1.65rem);
  font-weight: 500;
  transition: background var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
}
.cta-section__mail:hover {
  background: #fff;
  color: #2f355c;
  transform: translateY(-1px);
}

@media (max-width: 767px) {
  .faq-section__inner { padding-block: clamp(72px, 20vw, 96px); }
  .faq-section__title { margin-bottom: var(--space-7); }
  .faq-item summary { min-height: 84px; gap: var(--space-5); font-size: 1.25rem; }
  .faq-item__content { padding-right: 0; }
  .cta-section__inner { min-height: auto; padding-block: clamp(72px, 18vw, 100px); }
  .cta-section__logo { width: min(64vw, 260px); margin-bottom: var(--space-7); }
  .cta-section__event { margin-top: var(--space-5); }
  .cta-section__copy { margin-top: var(--space-7); }
  .cta-section__contact-label { margin-top: var(--space-6); }
  .cta-section__phone { font-size: clamp(2.1rem, 12vw, 3.2rem); }
  .cta-section__mail { min-height: 64px; margin-top: var(--space-7); }
}

/* Final Build v0.1 */
.premiere-offer__inner {
  display: grid;
  gap: clamp(28px, 4vw, 40px);
  justify-items: center;
}
.premiere-offer__copy,
.premiere-offer__text {
  text-align: center;
}
.premiere-offer__title {
  margin: 0;
}
.premiere-offer__figure {
  margin: 0;
  width: min(100%, 1280px);
}
.premiere-offer__layout {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
}
.premiere-offer__lead {
  margin: 0 0 12px;
}
.premiere-offer__benefit {
  margin: 0;
}
.premiere-offer__benefit + .premiere-offer__benefit {
  margin-top: 4px;
}
.premiere-offer__deadline {
  margin: 18px 0 0;
}
@media (max-width: 767px) {
  .premiere-offer__inner {
    gap: 24px;
  }
  .premiere-offer__figure {
    width: 100%;
  }
}

/* Beta v0.1 · Impressionen + Footer */
.impressions-section {
  padding-top: 0;
  padding-bottom: var(--section-space-md);
}
.impressions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
}
.impression-frame {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background: var(--color-line);
}
.impression-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-footer-final {
  background: #000;
  color: #fff;
}
.site-footer-final__inner {
  display: grid;
  grid-template-columns: minmax(220px, 1.25fr) minmax(260px, 1fr) auto;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
  padding-block: clamp(64px, 7vw, 96px);
}
.site-footer-final__logo-link {
  display: inline-block;
  width: min(100%, 230px);
}
.site-footer-final__logo {
  width: 100%;
  height: auto;
  filter: brightness(0) invert(1);
}
.site-footer-final__contact {
  display: grid;
  gap: 8px;
  font-size: var(--font-body);
}
.site-footer-final__heading {
  margin: 0 0 8px;
  font-size: var(--font-small);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: .095em;
  text-transform: uppercase;
  color: rgba(255,255,255,.62);
}
.site-footer-final__contact a,
.site-footer-final__legal a {
  color: #fff;
  text-decoration: none;
}
.site-footer-final__contact a:hover,
.site-footer-final__legal a:hover {
  text-decoration: underline;
  text-underline-offset: .18em;
}
.site-footer-final__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px 28px;
  font-size: var(--font-small);
  text-transform: uppercase;
  letter-spacing: .055em;
}

@media (max-width: 767px) {
  .impressions-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .site-footer-final__inner { grid-template-columns: 1fr; gap: var(--space-7); }
  .site-footer-final__logo-link { width: min(56vw, 210px); }
  .site-footer-final__legal { justify-content: flex-start; }
}