/* ============================================================
 * Kaindl catalog — product detail page
 * Editorial × tactile-material. Asymmetric grid, restrained type,
 * line-color accents, native <details>, radio-controlled tabs.
 * ============================================================ */

.kaindl-product {
  /* Palette */
  --kp-ink: #111111;
  --kp-ink-soft: #4a5566;
  --kp-ink-muted: #7b8b9f;
  --kp-navy: #00305b;
  --kp-navy-deep: #001f3f;
  --kp-paper: #ffffff;
  --kp-paper-soft: #f4f6f8;
  --kp-paper-warm: #f1ece4;
  --kp-rule: #dadfe6;
  --kp-rule-strong: #98a4b5;
  --kp-line-color: #00305b;

  /* Type scale */
  --kp-fs-mono: 0.6875rem; /* 11px */
  --kp-fs-meta: 0.75rem; /* 12px */
  --kp-fs-body: 0.9375rem; /* 15px */
  --kp-fs-lead: 1.125rem; /* 18px */
  --kp-fs-h3: 1.5rem; /* 24px */
  --kp-fs-h2: clamp(1.75rem, 3.2vw, 2.625rem);
  --kp-fs-h1: clamp(1.5rem, 5.5vw, 5rem);

  --kp-track-mono: 0.18em;
  --kp-track-loose: 0.04em;
  --kp-track-tight: -0.02em;
  --kp-track-display: -0.035em;

  /* Spatial system */
  --kp-page-x: 0;
  --kp-stack: clamp(3rem, 7vw, 7rem);

  --kp-radius-sm: 2px;
  --kp-radius: 4px;

  display: block;
  color: var(--kp-ink);
  background: var(--kp-paper);
  font-family: "Helvetica Neue LT", "Helvetica Neue", Arial, sans-serif;
  font-feature-settings:
    "kern" 1,
    "liga" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.kaindl-product *,
.kaindl-product *::before,
.kaindl-product *::after {
  box-sizing: border-box;
}

.kaindl-product img {
  max-width: 100%;
  height: auto;
  display: block;
}

.kaindl-product a:focus-visible,
.kaindl-product button:focus-visible,
.kaindl-product label:focus-visible,
.kaindl-product summary:focus-visible {
  outline: 2px solid var(--kp-navy);
  outline-offset: 3px;
}

html {
  scroll-behavior: smooth;
}

/* ============================================================
 * 1. Eyebrow band — breadcrumb + badges
 * ============================================================ */
.kp-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem var(--kp-page-x) 0;
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-ink-muted);
}
.kp-eyebrow__crumbs {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.kp-eyebrow__crumb {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease;
}
a.kp-eyebrow__crumb:hover,
a.kp-eyebrow__crumb:focus-visible {
  color: var(--kp-ink);
}
.kp-eyebrow__crumbs > .kp-eyebrow__crumb:last-of-type {
  color: var(--kp-ink);
}
.kp-eyebrow__crumb-sep {
  color: var(--kp-rule-strong);
  margin: 0 0.15rem;
}
.kp-eyebrow__badges {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}
.kp-eyebrow__badges li {
  padding: 0.3125rem 0.625rem 0.25rem;
  background: var(--kp-navy);
  color: var(--kp-paper);
  letter-spacing: var(--kp-track-mono);
  border-radius: var(--kp-radius-sm);
}

@media (max-width: 640px) {
  .kp-eyebrow {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .kp-eyebrow__crumbs {
    white-space: normal;
    overflow: visible;
  }
}

/* ============================================================
 * 2. Hero — material plate + identity column
 * ============================================================ */
.kp-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 3rem) var(--kp-page-x) var(--kp-stack);
}
.kp-hero > * {
  min-width: 0;
}

@media (min-width: 960px) {
  .kp-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 6rem);
    align-items: start;
  }
  .kp-hero__info-inner {
    position: sticky;
    top: 5rem;
  }
}

.kp-hero__media {
  position: relative;
}

.kp-hero__gallery {
  position: relative;
  aspect-ratio: 5 / 4;
  max-height: 600px;
  background: var(--kp-paper-warm);
  overflow: hidden;
}
.kp-hero__gallery .swiper-wrapper {
  display: flex;
  height: 100%;
}

.kp-hero__slide {
  margin: 0;
  width: 100%;
  height: 100%;
  flex-shrink: 0;
}
.kp-hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Surface code as wax-seal stamp */
.kp-hero__stamp {
  position: absolute;
  top: clamp(1rem, 3vw, 2rem);
  left: clamp(1rem, 3vw, 2rem);
  z-index: 3;
  width: 4.25rem;
  height: 4.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--kp-paper);
  color: var(--kp-navy-deep);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0;
  border-radius: 50%;
  box-shadow:
    0 1px 0 rgba(0, 0, 0, 0.04),
    inset 0 0 0 1px rgba(17, 17, 17, 0.08);
  font-feature-settings: "tnum";
}

/* Gallery controls */
.kp-hero__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 2.75rem;
  height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.92);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transform: translateY(-50%);
  transition:
    background-color 0.2s,
    transform 0.2s;
}
.kp-hero__nav:hover {
  background: var(--kp-paper);
  transform: translateY(-50%) scale(1.05);
}
.kp-hero__nav--prev {
  left: 1rem;
}
.kp-hero__nav--next {
  right: 1rem;
}
.kp-hero__nav::before {
  content: "";
  width: 10px;
  height: 10px;
  border-top: 1.5px solid var(--kp-navy-deep);
  border-right: 1.5px solid var(--kp-navy-deep);
}
.kp-hero__nav--prev::before {
  transform: rotate(-135deg);
  margin-left: 4px;
}
.kp-hero__nav--next::before {
  transform: rotate(45deg);
  margin-right: 4px;
}

.kp-hero__pagination {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1rem;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}
.kp-hero__pagination .swiper-pagination-bullet {
  width: 28px;
  height: 2px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 0;
  transition:
    background-color 0.2s,
    width 0.2s;
  cursor: pointer;
}
.kp-hero__pagination .swiper-pagination-bullet-active {
  background: var(--kp-paper);
  width: 48px;
}

/* Info column */
.kp-hero__info-inner {
  display: flex;
  flex-direction: column;
}

.kp-hero__collection {
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-ink-muted);
  margin: 0 0 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.kp-hero__collection::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: var(--kp-rule-strong);
}

.kp-hero__title {
  font-size: var(--kp-fs-h1);
  line-height: 0.92;
  letter-spacing: var(--kp-track-display);
  font-weight: 300;
  margin: 0;
  color: var(--kp-navy-deep);
  word-wrap: break-word;
}

.kp-hero__sku {
  font-size: var(--kp-fs-meta);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin: 1.25rem 0 2.25rem;
  flex-wrap: wrap;
}
.kp-hero__code {
  font-weight: 600;
  color: var(--kp-ink);
}
.kp-hero__sep {
  color: var(--kp-rule-strong);
}

.kp-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 2rem;
  border-top: 1px solid var(--kp-rule);
  padding-top: 1.5rem;
  margin: 0 0 2rem;
}
.kp-meta > div {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.kp-meta dt {
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-ink-muted);
  margin: 0;
}
.kp-meta dd {
  margin: 0;
  font-size: var(--kp-fs-body);
  color: var(--kp-ink);
  font-weight: 500;
}

/* Features as oversized pills */
.kp-features {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.kp-features__item {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.6875rem 1rem;
  border: 1px solid var(--kp-rule);
  border-radius: 999px;
  font-size: var(--kp-fs-meta);
  letter-spacing: var(--kp-track-loose);
  color: var(--kp-ink);
  background: var(--kp-paper);
  transition:
    border-color 0.2s ease,
    color 0.2s ease,
    background-color 0.2s ease;
}
.kp-features__item:hover {
  border-color: var(--kp-navy);
  color: var(--kp-navy);
  background: var(--kp-paper-soft);
}
.kp-features__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  object-fit: contain;
  mix-blend-mode: multiply;
}

/* Certifications row */
.kp-certs {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  border-top: 1px solid var(--kp-rule);
  padding-top: 1.5rem;
}
.kp-certs li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--kp-fs-meta);
  color: var(--kp-ink-soft);
  min-width: 0;
}
.kp-certs img {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
}
.kp-certs span {
  min-width: 0;
  overflow-wrap: anywhere;
  line-height: 1.35;
}

/* CTA stack */
.kp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* ============================================================
 * Buttons
 * ============================================================ */
.kp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border: 1px solid transparent;
  font-size: var(--kp-fs-meta);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  color: inherit;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
  min-width: 12rem;
}
.kp-btn span {
  display: inline-block;
}
.kp-btn__icon {
  flex-shrink: 0;
  height: 20px;
  width: 22px;
}
.kp-btn__arrow {
  transition: transform 0.2s ease;
}
.kp-btn:hover .kp-btn__arrow {
  transform: translateX(3px);
}

.kp-btn--primary {
  background: var(--kp-navy-deep);
  color: var(--kp-paper);
}
.kp-btn--primary:hover {
  background: var(--kp-ink);
}

.kp-btn--ghost {
  border-color: var(--kp-navy);
  color: var(--kp-navy);
}
.kp-btn--ghost:hover {
  background: var(--kp-navy);
  color: var(--kp-paper);
}

.kp-btn--quiet {
  color: var(--kp-ink);
  padding-left: 0;
  padding-right: 0;
  min-width: 0;
  border-bottom: 1px solid var(--kp-rule);
  border-radius: 0;
}
.kp-btn--quiet:hover {
  color: var(--kp-navy);
  border-bottom-color: var(--kp-navy);
}

/* Down-arrow variant bobs vertically on hover instead of sliding right. */
.kp-btn:hover .kp-btn__arrow--down {
  transform: translateY(2px);
}

/* ============================================================
 * 3. Section headers — shared anatomy
 * ============================================================ */
.kp-section-eyebrow {
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-navy);
  margin: 0 0 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.kp-section-eyebrow span {
  width: 1.75rem;
  height: 1px;
  background: var(--kp-navy);
}

.kp-section-title {
  font-size: var(--kp-fs-h2);
  line-height: 1.06;
  letter-spacing: var(--kp-track-tight);
  font-weight: 300;
  color: var(--kp-navy-deep);
  margin: 0 0 1rem;
}

.kp-section-lede {
  font-size: var(--kp-fs-lead);
  line-height: 1.55;
  color: var(--kp-ink-soft);
  max-width: 42rem;
  font-weight: 300;
}

/* ============================================================
 * 4. Animated plank format visual
 * ============================================================ */
.kp-planks {
  padding: 0 var(--kp-page-x) var(--kp-stack);
}

.kp-planks__header {
  max-width: 60rem;
  margin: 0 0 1.5rem;
}

.kp-planks__stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.kp-planks__visual {
  position: relative;
  min-height: 29rem;
  overflow: hidden;
  background:
    linear-gradient(rgba(218, 223, 230, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(218, 223, 230, 0.55) 1px, transparent 1px),
    linear-gradient(rgba(218, 223, 230, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(218, 223, 230, 0.35) 1px, transparent 1px), #fff;
  background-size:
    8.5rem 8.5rem,
    8.5rem 8.5rem,
    1.0625rem 1.0625rem,
    1.0625rem 1.0625rem;
  isolation: isolate;
}

.kp-planks__word {
  position: absolute;
  left: -0.08em;
  top: -0.2em;
  width: min-content;
  margin: 0;
  color: #000;
  font-size: 8rem;
  line-height: 0.82;
  font-weight: 800;
  letter-spacing: 0;
  max-width: 9ch;
  z-index: 1;
  user-select: none;
}

.kp-planks__rail {
  position: absolute;
  left: -1rem;
  top: 23%;
  width: 25rem;
  height: 27rem;
  transform: rotate(-42deg);
  transform-origin: center;
  z-index: 2;
}

.kp-planks__tile {
  position: absolute;
  width: 6.6rem;
  height: 23.5rem;
  object-fit: cover;
  box-shadow: 0 0.5rem 1.5rem rgba(17, 17, 17, 0.16);
  animation: kpPlankFloat 9s ease-in-out infinite;
}

.kp-planks__tile--1 {
  left: 0;
  top: 4rem;
}
.kp-planks__tile--2 {
  left: 7.2rem;
  top: 0;
  animation-delay: -2.4s;
}
.kp-planks__tile--3 {
  left: 14.4rem;
  top: 4rem;
  animation-delay: -4.8s;
}

.kp-planks__caption {
  position: absolute;
  right: 0;
  bottom: 0;
  min-width: min(22rem, 54%);
  min-height: 4.75rem;
  display: flex;
  align-items: center;
  padding: 1rem 1.75rem;
  background: #000;
  color: #fff;
  z-index: 3;
}

.kp-planks__caption span {
  font-size: var(--kp-fs-meta);
  font-weight: 700;
}

.kp-planks__spec {
  margin: 0;
  display: grid;
  align-content: start;
}

.kp-planks__spec > div {
  display: grid;
  grid-template-columns: minmax(7.5rem, 11rem) 1fr;
  gap: 1.5rem;
  padding: 1.125rem 0;
  border-top: 1px solid var(--kp-rule);
  align-items: baseline;
}
.kp-planks__spec > div:last-child {
  border-bottom: 1px solid var(--kp-rule);
}
.kp-planks__spec dt {
  margin: 0;
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-ink-muted);
  font-weight: 400;
}
.kp-planks__spec dd {
  margin: 0;
  font-size: var(--kp-fs-body);
  color: var(--kp-ink);
  font-weight: 500;
}

@keyframes kpPlankFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-1.25rem);
  }
}

@media (min-width: 960px) {
  .kp-planks__stage {
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
    align-items: end;
    gap: clamp(2.5rem, 4vw, 5rem);
  }

  .kp-planks__visual {
    min-height: 34rem;
  }

  .kp-planks__rail {
    left: 5%;
    top: 22%;
    width: 28rem;
    height: 28rem;
  }

  .kp-planks__tile {
    width: 7.4rem;
    height: 24rem;
  }

  .kp-planks__tile--1 {
    left: 1rem;
    top: 3rem;
  }

  .kp-planks__tile--2 {
    left: 9rem;
    top: -1rem;
  }

  .kp-planks__tile--3 {
    left: 17rem;
    top: 3.5rem;
  }
}

@media (max-width: 760px) {
  .kp-planks__visual {
    min-height: 25rem;
  }

  .kp-planks__word {
    font-size: 5rem;
  }

  .kp-planks__rail {
    left: -3rem;
    top: 28%;
    width: 24rem;
    height: 24rem;
  }

  .kp-planks__tile {
    width: 6.2rem;
    height: 20rem;
  }

  .kp-planks__tile--2 {
    left: 7.5rem;
  }

  .kp-planks__tile--3 {
    left: 14rem;
  }

  .kp-planks__caption {
    min-width: 40%;
  }

  .kp-planks__spec > div {
    grid-template-columns: 1fr;
    gap: 0.375rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .kp-planks__tile {
    animation: none;
  }
}

/* ============================================================
 * 5. Product lines — radio-controlled tabbed specs
 * ============================================================ */
.kp-lines {
  padding: 0 var(--kp-page-x) var(--kp-stack);
  position: relative;
}

.kp-lines__header {
  margin: 0 0 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 18rem);
  align-items: end;
  column-gap: clamp(2rem, 5vw, 4rem);
  row-gap: 1.5rem;
}

.kp-lines__header-main {
  min-width: 0;
}

/* "Documents" panel — editorial sidebar pair: eyebrow + tight blurb + ghost
 * CTA. Baseline-aligned with the lede on wide screens, wraps below on narrow.
 * Behaves like a magazine masthead "more inside this issue →" block. */
.kp-lines__docs {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
}
.kp-lines__docs-eyebrow {
  margin: 0;
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-navy);
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}
.kp-lines__docs-eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--kp-navy);
}
.kp-lines__docs-blurb {
  margin: 0 0 0.25rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--kp-ink-muted);
  max-width: 22rem;
}

@media (max-width: 768px) {
  .kp-lines__header {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 1.5rem;
  }
  .kp-lines__docs {
    padding-top: 1.6rem;
    border-top: 1px solid var(--kp-rule);
    width: 100%;
  }
}

/* Hide radios off-screen but keep focusable */
.kp-lines__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.kp-lines__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--kp-rule);
  margin: 1.5rem 0 0;
}

/* "Downloads" action — ghost/outlined chip living inside the `.kp-lines__docs`
 * panel. Quiet enough not to compete with the title; the chevron-down SVG
 * keeps the action affordance clear. Font weight matches `.kp-btn` for visual
 * parity with "Find a dealer". */
.kp-lines__downloads-action {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.875rem 1.25rem;
  background: transparent;
  color: var(--kp-navy);
  font-size: var(--kp-fs-meta);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--kp-navy);
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
  white-space: nowrap;
  margin-top: 0.25rem;
}
.kp-lines__downloads-action:hover,
.kp-lines__downloads-action:focus-visible {
  background: var(--kp-navy);
  color: var(--kp-paper);
  border-color: var(--kp-navy);
}
.kp-lines__downloads-action:focus-visible {
  outline: 2px solid var(--kp-navy);
  outline-offset: 2px;
}
.kp-lines__downloads-action-label {
  line-height: 1;
}
.kp-lines__downloads-action-arrow {
  width: 1.05rem;
  height: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.22s ease;
}
.kp-lines__downloads-action-arrow svg {
  width: 100%;
  height: 100%;
  display: block;
}
.kp-lines__downloads-action:hover .kp-lines__downloads-action-arrow {
  transform: translateY(2px);
}

.kp-lines__tab {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1.125rem 1.25rem 1.125rem 0;
  margin-right: 2rem;
  font-size: var(--kp-fs-meta);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  cursor: pointer;
  color: var(--kp-ink-muted);
  position: relative;
  transition: color 0.2s ease;
  user-select: none;
}
.kp-lines__tab:hover {
  color: var(--kp-ink);
}
.kp-lines__tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 1.25rem;
  bottom: -1px;
  height: 2px;
  background: var(--line-color);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.kp-lines__tab-mark {
  width: 8px;
  height: 8px;
  background: var(--line-color);
  border-radius: 50%;
  opacity: 0.4;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}
.kp-lines__tab-label {
  font-weight: 600;
}
.kp-lines__tab-index {
  font-size: var(--kp-fs-mono);
  color: var(--kp-ink-muted);
  opacity: 0.7;
}

/* All panels hidden by default */
.kp-lines__panel {
  display: none;
}

/* Radio → tab + panel coupling via :has() + nth-of-type (covers up to 6 lines) */
.kp-lines:has(.kp-lines__radio:nth-of-type(1):checked)
  .kp-lines__tab:nth-child(1)::after {
  transform: scaleX(1);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(1):checked)
  .kp-lines__tab:nth-child(1) {
  color: var(--kp-ink);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(1):checked)
  .kp-lines__tab:nth-child(1)
  .kp-lines__tab-mark {
  opacity: 1;
  transform: scale(1.25);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(1):checked)
  .kp-lines__panel:nth-of-type(1) {
  display: grid;
}

.kp-lines:has(.kp-lines__radio:nth-of-type(2):checked)
  .kp-lines__tab:nth-child(2)::after {
  transform: scaleX(1);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(2):checked)
  .kp-lines__tab:nth-child(2) {
  color: var(--kp-ink);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(2):checked)
  .kp-lines__tab:nth-child(2)
  .kp-lines__tab-mark {
  opacity: 1;
  transform: scale(1.25);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(2):checked)
  .kp-lines__panel:nth-of-type(2) {
  display: grid;
}

.kp-lines:has(.kp-lines__radio:nth-of-type(3):checked)
  .kp-lines__tab:nth-child(3)::after {
  transform: scaleX(1);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(3):checked)
  .kp-lines__tab:nth-child(3) {
  color: var(--kp-ink);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(3):checked)
  .kp-lines__tab:nth-child(3)
  .kp-lines__tab-mark {
  opacity: 1;
  transform: scale(1.25);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(3):checked)
  .kp-lines__panel:nth-of-type(3) {
  display: grid;
}

.kp-lines:has(.kp-lines__radio:nth-of-type(4):checked)
  .kp-lines__tab:nth-child(4)::after {
  transform: scaleX(1);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(4):checked)
  .kp-lines__tab:nth-child(4) {
  color: var(--kp-ink);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(4):checked)
  .kp-lines__tab:nth-child(4)
  .kp-lines__tab-mark {
  opacity: 1;
  transform: scale(1.25);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(4):checked)
  .kp-lines__panel:nth-of-type(4) {
  display: grid;
}

.kp-lines:has(.kp-lines__radio:nth-of-type(5):checked)
  .kp-lines__tab:nth-child(5)::after {
  transform: scaleX(1);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(5):checked)
  .kp-lines__tab:nth-child(5) {
  color: var(--kp-ink);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(5):checked)
  .kp-lines__tab:nth-child(5)
  .kp-lines__tab-mark {
  opacity: 1;
  transform: scale(1.25);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(5):checked)
  .kp-lines__panel:nth-of-type(5) {
  display: grid;
}

.kp-lines:has(.kp-lines__radio:nth-of-type(6):checked)
  .kp-lines__tab:nth-child(6)::after {
  transform: scaleX(1);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(6):checked)
  .kp-lines__tab:nth-child(6) {
  color: var(--kp-ink);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(6):checked)
  .kp-lines__tab:nth-child(6)
  .kp-lines__tab-mark {
  opacity: 1;
  transform: scale(1.25);
}
.kp-lines:has(.kp-lines__radio:nth-of-type(6):checked)
  .kp-lines__panel:nth-of-type(6) {
  display: grid;
}

/* No :has() fallback — show first panel only */
@supports not selector(:has(*)) {
  .kp-lines__panel:first-of-type {
    display: grid;
  }
  .kp-lines__tab:first-of-type {
    color: var(--kp-ink);
  }
  .kp-lines__tab:first-of-type::after {
    transform: scaleX(1);
  }
}

/* Panel layout */
.kp-lines__stage {
  margin-top: 0;
}

.kp-lines__panel {
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 3rem 0 0;
  animation: kpPanelIn 0.4s ease both;
}

@keyframes kpPanelIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 960px) {
  .kp-lines__panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 4vw, 5rem);
    align-items: start;
  }
}

.kp-lines__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--kp-paper-soft);
  overflow: hidden;
}
.kp-lines__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kp-lines__detail-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 1rem;
  margin-bottom: 0;
}
.kp-lines__line-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-ink);
  font-weight: 600;
}
.kp-lines__line-chip > span {
  width: 3.75rem;
  height: 1.25rem;
  background: var(--line-color);
  border-radius: 2px;
}
.kp-lines__surface {
  margin: 0;
  font-size: var(--kp-fs-meta);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-ink-soft);
}
.kp-lines__surface strong {
  color: var(--kp-ink);
  font-weight: 700;
}

/* Spec table */
.kp-spec {
  margin: 0;
  display: flex;
  flex-direction: column;
}
.kp-spec > div {
  display: grid;
  grid-template-columns: minmax(7.5rem, 11rem) 1fr;
  gap: 1.5rem;
  padding: 1.125rem 0;
  border-top: 1px solid var(--kp-rule);
  align-items: baseline;
}
.kp-spec > div:last-child {
  border-bottom: 1px solid var(--kp-rule);
}
.kp-spec dt {
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-ink-muted);
  font-weight: 400;
  margin: 0;
}
.kp-spec dd {
  margin: 0;
  font-size: var(--kp-fs-body);
  color: var(--kp-ink);
  font-weight: 500;
}
.kp-spec__surface dd {
  display: block;
}
.kp-spec__surface-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
}
.kp-spec__surface-swatch {
  width: 3rem;
  height: 3rem;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(17, 17, 17, 0.08);
}
.kp-spec__surface-text {
  font-weight: 500;
}
.kp-spec__surface-text strong {
  font-weight: 700;
}

.kp-spec__multi {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.kp-spec__multi li {
  font-variant-numeric: tabular-nums;
}

/* ============================================================
 * 5. In-context lifestyle scene
 * ============================================================ */
.kp-context {
  padding-bottom: 1rem;
}
.kp-context__figure {
  margin: 0;
  position: relative;
  background: var(--kp-paper-soft);
  display: grid;
  grid-template-columns: 1fr;
}
.kp-context__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.kp-context__figure figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 0 clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--kp-rule);
  background: #fff;
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: var(--kp-ink-muted);
}
.kp-context__caption-label {
  position: relative;
  padding-left: 2.25rem;
  color: var(--kp-ink);
  font-weight: 600;
}
.kp-context__caption-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1.5rem;
  height: 1px;
  background: var(--kp-rule-strong);
}
.kp-context__caption-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  line-height: 1.6;
  padding-left: 2.25rem;
}
.kp-context__caption-meta span {
  position: relative;
}
.kp-context__caption-meta span::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -1.25rem;
  width: 0.625rem;
  height: 1px;
  background: var(--kp-rule-strong);
}

@media (min-width: 56rem) {
  .kp-context__figure figcaption {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: clamp(2rem, 4vw, 4rem);
  }
  .kp-context__caption-meta {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.75rem;
    padding-left: 0;
  }
  .kp-context__caption-meta span::before {
    content: none;
  }
  .kp-context__caption-meta span:not(:last-child)::after {
    content: "|";
    margin-left: 0.75rem;
    color: var(--kp-rule-strong);
  }
}

/* ============================================================
 * 6. CTA band — quiet editorial
 * ============================================================ */
.kp-cta-band {
  background: var(--kp-paper-soft);
  padding: clamp(3rem, 7vw, 5.5rem) var(--kp-page-x);
  margin: 0 0 var(--kp-stack);
}
.kp-cta-band__inner {
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
}

/* Paired layout: inspiration image left, CTA band right. Stacks on
   narrow viewports and reverts to the original look when there's no
   context image (the wrapper isn't emitted in that case). */
.kp-pair {
  padding: 0 var(--kp-page-x) var(--kp-stack);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 2vw, 2rem);
}
.kp-pair > .kp-context,
.kp-pair > .kp-cta-band {
  padding-left: 0;
  padding-right: 0;
  margin: 0;
}
@media (min-width: 64rem) {
  .kp-pair {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    grid-template-areas: "band image";
    align-items: stretch;
  }
  .kp-pair > .kp-context {
    grid-area: image;
  }
  .kp-pair > .kp-cta-band--paired {
    grid-area: band;
  }
  .kp-pair > .kp-context,
  .kp-pair > .kp-cta-band {
    height: 100%;
    padding-bottom: 0;
  }
  .kp-pair > .kp-context .kp-context__figure {
    height: 100%;
    grid-template-rows: 1fr auto;
  }
  .kp-pair > .kp-context .kp-context__figure img {
    height: 100%;
  }
  .kp-pair > .kp-cta-band--paired {
    padding: clamp(2.5rem, 5vw, 4.5rem) clamp(2rem, 4vw, 4rem);
    display: flex;
    align-items: center;
  }
  .kp-pair > .kp-cta-band--paired .kp-cta-band__inner {
    margin: 0;
    max-width: none;
    text-align: left;
  }
  .kp-pair > .kp-cta-band--paired .kp-cta-band__actions {
    justify-content: flex-start;
  }
}
.kp-cta-band__lede {
  font-size: var(--kp-fs-h2);
  line-height: 1.1;
  font-weight: 300;
  letter-spacing: var(--kp-track-tight);
  color: var(--kp-navy-deep);
  margin: 0 0 2rem;
}
.kp-cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

/* ============================================================
 * 7. Accessories
 * ============================================================ */
.kp-accessories {
  padding: 0 var(--kp-page-x) var(--kp-stack);
}
.kp-accessories__header {
  max-width: var(--kp-content);
  margin: 0 auto clamp(1.5rem, 3vw, 2.5rem);
}
.kp-accessories__grid {
  max-width: var(--kp-content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}
.kp-accessory {
  display: grid;
  grid-template-rows: auto 1fr;
  border-top: 1px solid var(--kp-rule);
  background: #fff;
}
.kp-accessory__image {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  background: var(--kp-paper-soft);
}
.kp-accessory__body {
  padding: 1rem 0 0;
}
.kp-accessory__body h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  line-height: 1.25;
  color: var(--kp-ink);
}
.kp-accessory__body p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--kp-ink-muted);
}

/* ============================================================
 * 8. Downloads
 * ============================================================ */
.kp-downloads {
  padding: 0 var(--kp-page-x) var(--kp-stack);
}
.kp-downloads__header {
  max-width: 60rem;
  margin: 0 0 2rem;
}
.kp-downloads__generics {
  margin-top: 0;
}

/* Primary group — high contrast slab */
.kp-downloads__group--primary {
  background: var(--kp-navy-deep);
  color: var(--kp-paper);
  padding: clamp(1.75rem, 3.5vw, 2.5rem) clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 2.5rem;
}
.kp-downloads__group--primary header {
  margin-bottom: 1.5rem;
}
.kp-downloads__group-eyebrow {
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  display: block;
  margin-bottom: 0.25rem;
}
.kp-downloads__group--primary .kp-downloads__group-title {
  font-size: var(--kp-fs-h3);
  font-weight: 400;
  margin: 0;
  letter-spacing: var(--kp-track-tight);
}

/* List + item shared */
.kp-downloads__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.kp-downloads__item a {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1rem 1.25rem;
  padding: 1.125rem 0;
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--kp-rule);
  transition: opacity 0.2s ease;
}
.kp-downloads__item:last-child a {
  border-bottom: 0;
}
.kp-downloads__group--primary .kp-downloads__item a {
  border-color: rgba(255, 255, 255, 0.14);
}

.kp-downloads__type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.625rem;
  flex: 0 0 auto;
}
.kp-downloads__icon {
  /* White-bg variant — matches kaindl downloads page (clipped corner, no fold) */
  --pdf-body: #e8edf2;
  --pdf-fold: #e8edf2;
  --pdf-stroke: #c5ccd6;
  --pdf-ink: var(--kp-navy);
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.kp-downloads__icon path:nth-of-type(1) {
  fill: var(--pdf-body);
  fill-opacity: 1;
  stroke: var(--pdf-stroke);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.kp-downloads__icon path:nth-of-type(2) {
  fill: var(--pdf-fold);
  fill-opacity: 1;
}
.kp-downloads__icon text {
  fill: var(--pdf-ink);
  fill-opacity: 1;
}
.kp-downloads__icon path,
.kp-downloads__icon text {
  transition:
    fill 0.22s ease,
    stroke 0.22s ease;
}

/* White-bg hover — body inverts to navy, text becomes white */
.kp-downloads__item a:hover .kp-downloads__icon {
  --pdf-body: var(--kp-navy);
  --pdf-fold: var(--kp-navy);
  --pdf-stroke: var(--kp-navy);
  --pdf-ink: #fff;
}

/* Dark slab — white card variant (clipped corner, no fold) */
.kp-downloads__group--primary .kp-downloads__icon {
  --pdf-body: #ffffff;
  --pdf-fold: #ffffff;
  --pdf-stroke: #ffffff;
  --pdf-ink: var(--kp-navy);
}
.kp-downloads__group--primary .kp-downloads__item a:hover .kp-downloads__icon {
  --pdf-body: #e0e7ef;
  --pdf-fold: #e0e7ef;
  --pdf-stroke: #e0e7ef;
  --pdf-ink: var(--kp-navy);
}

@media (prefers-reduced-motion: reduce) {
  .kp-downloads__icon path,
  .kp-downloads__icon text {
    transition: none;
  }
}
.kp-downloads__label {
  font-size: var(--kp-fs-body);
  line-height: 1.35;
}
.kp-downloads__size {
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  text-transform: uppercase;
  opacity: 0.6;
  white-space: nowrap;
}
.kp-downloads__arrow {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}
.kp-downloads__arrow svg {
  width: 100%;
  height: 100%;
  display: block;
}
.kp-downloads__item a:hover .kp-downloads__arrow {
  opacity: 1;
  transform: translateY(2px);
}
.kp-downloads__item a:hover .kp-downloads__label {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--kp-rule-strong);
}

/* Generic groups — native <details> */
details.kp-downloads__group {
  border-top: 1px solid var(--kp-rule);
}
details.kp-downloads__group:last-of-type {
  border-bottom: 1px solid var(--kp-rule);
}
details.kp-downloads__group summary {
  cursor: pointer;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1rem;
  align-items: center;
  padding: 1.5rem 0;
  font-weight: 500;
  color: var(--kp-ink);
  transition: color 0.2s ease;
}
details.kp-downloads__group summary:hover {
  color: var(--kp-navy);
}
details.kp-downloads__group summary::-webkit-details-marker {
  display: none;
}
details.kp-downloads__group summary::marker {
  display: none;
}
details.kp-downloads__group .kp-downloads__group-title {
  font-size: var(--kp-fs-lead);
  letter-spacing: var(--kp-track-tight);
  font-weight: 400;
}
.kp-downloads__count {
  font-size: var(--kp-fs-mono);
  letter-spacing: var(--kp-track-mono);
  color: var(--kp-ink-muted);
}
.kp-downloads__chev {
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--kp-ink-soft);
  border-bottom: 1.5px solid var(--kp-ink-soft);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
}
details[open] .kp-downloads__chev {
  transform: rotate(-135deg);
  margin-top: 4px;
}
details.kp-downloads__group .kp-downloads__list {
  padding: 0;
  overflow: hidden;
  transition:
    height 0.32s cubic-bezier(0.22, 0.61, 0.36, 1),
    opacity 0.22s ease;
}
details.kp-downloads__group:not([open]) .kp-downloads__list {
  opacity: 0;
}
details.kp-downloads__group[open] .kp-downloads__list {
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  details.kp-downloads__group .kp-downloads__list {
    transition: none;
  }
}

/* ============================================================
 * Responsive tweaks
 * ============================================================ */
@media (max-width: 768px) {
  .kp-hero {
    padding-bottom: clamp(2rem, 6vw, 4rem);
  }
  .kp-hero__gallery {
    aspect-ratio: 1 / 1;
  }
  .kp-meta {
    grid-template-columns: 1fr;
    gap: 1rem 1rem;
  }
  .kp-actions .kp-btn {
    min-width: 0;
    flex: 1 1 calc(50% - 0.375rem);
  }
  .kp-actions .kp-btn--quiet {
    flex-basis: 100%;
    justify-content: flex-start;
  }
  .kp-lines__tab {
    margin-right: 1.25rem;
    padding-right: 0.625rem;
  }
  .kp-lines__tab::after {
    right: 0.625rem;
  }
  .kp-lines__downloads-action {
    padding: 0.75rem 1rem;
    gap: 0.5rem;
  }
  .kp-lines__downloads-action-label {
    font-size: 0.6875rem;
  }
  .kp-lines__downloads-action-arrow {
    width: 0.9rem;
    height: 0.9rem;
  }
  .kp-spec > div {
    grid-template-columns: 1fr;
    gap: 0.375rem;
  }
  .kp-downloads__item a {
    grid-template-columns: auto 1fr auto;
    grid-template-areas:
      "type label arrow"
      "type size arrow";
    row-gap: 0.25rem;
  }
  .kp-downloads__type {
    grid-area: type;
    align-self: start;
    width: 1.5rem;
  }
  .kp-downloads__label {
    grid-area: label;
  }
  .kp-downloads__size {
    grid-area: size;
  }
  .kp-downloads__arrow {
    grid-area: arrow;
    align-self: center;
  }
}

@media (max-width: 480px) {
  .kp-hero__title {
    font-size: clamp(2.5rem, 12vw, 3.5rem);
  }
  .kp-hero__stamp {
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1rem;
  }
  .kp-certs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.875rem 1rem;
  }
  .kp-certs li {
    align-items: flex-start;
    gap: 0.45rem;
    font-size: 0.75rem;
  }
  .kp-certs img {
    width: 22px;
    height: 22px;
  }
  .kp-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .kp-actions .kp-btn {
    width: 100%;
    min-width: 0;
    padding-inline: 1rem;
  }
  .kp-actions .kp-btn--quiet {
    justify-content: flex-start;
    width: auto;
    padding-inline: 0;
  }
  .kp-cta-band__lede {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .kp-lines__panel,
  .kp-lines__tab::after,
  .kp-hero__nav,
  .kp-btn,
  .kp-btn__arrow,
  .kp-downloads__chev,
  .kp-downloads__arrow {
    animation: none !important;
    transition: none !important;
  }
}