/* Hytech-Pommec — base styles
   Brand tokens per CONTENT-BRIEF.md §1 */

:root {
  --color-primary: #29235c;
  --color-accent: #f39200;
  --color-white: #ffffff;
  --color-ink: #1c1a30;
  --color-muted: #6b6a80;
  --color-border: #e3e2ec;
  --color-surface: #f7f7fb;

  --font-heading: "Archivo", Arial, sans-serif;
  --font-body: "Lato", Arial, sans-serif;

  --max-width: 1200px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-white);
  line-height: 1.6;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
}

h1 {
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
}

p {
  margin: 0 0 var(--space-2);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  margin: 0 0 var(--space-2);
  padding-left: 1.25rem;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.accent {
  color: var(--color-accent);
}

.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.65rem 1.4rem;
  border-radius: 4px;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn:hover {
  text-decoration: none;
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-accent:hover {
  background: #d97f00;
}

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ---- Header / nav ---- */

.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-white);
  z-index: 100;
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) 0;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.4rem;
  text-transform: uppercase;
  color: var(--color-primary);
  white-space: nowrap;
}

.logo:hover {
  text-decoration: none;
}

.logo .logo-dash {
  color: var(--color-accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  justify-content: center;
}

.main-nav > ul {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav a {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-ink);
  font-size: 0.95rem;
}

.main-nav > ul > li > a {
  padding: var(--space-1) 0;
  display: inline-block;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
  text-decoration: none;
}

.has-dropdown {
  position: relative;
}

.has-dropdown > a::after {
  content: " \25BE";
  font-size: 0.7em;
}

.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(41, 35, 92, 0.12);
  padding: var(--space-1) 0;
  margin: 0;
  list-style: none;
  z-index: 10;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  display: block;
}

.dropdown li a {
  display: block;
  padding: 0.5rem 1rem;
  font-weight: 500;
  white-space: nowrap;
}

.dropdown li a:hover {
  background: var(--color-surface);
  text-decoration: none;
}

.header-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
}

.dropdown-toggle {
  display: none;
}

/* ---- Page shell ---- */

.page-hero {
  background: var(--color-surface);
  padding: var(--space-5) 0 var(--space-4);
}

.page-hero h1 {
  margin-bottom: var(--space-1);
}

.page-hero .eyebrow {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--color-accent);
}

main {
  min-height: 40vh;
}

.section {
  padding: var(--space-4) 0;
}

.section + .section {
  border-top: 1px solid var(--color-border);
}

.placeholder-note {
  display: inline-block;
  background: #fff4e5;
  border: 1px solid var(--color-accent);
  color: #7a4b00;
  font-size: 0.9rem;
  padding: var(--space-1) var(--space-2);
  border-radius: 4px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 800px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

/* ---- Mobile nav (below 900px) ---- */

@media (max-width: 900px) {
  .site-header__bar {
    flex-wrap: wrap;
  }

  .logo {
    order: 1;
  }

  .header-cta {
    order: 2;
  }

  .nav-toggle {
    order: 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    margin: 0;
    border: none;
    background: transparent;
    cursor: pointer;
  }

  .nav-toggle__bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  body.nav-open .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  body.nav-open .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }

  body.nav-open .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .main-nav {
    display: none;
    order: 4;
    flex-basis: 100%;
    width: 100%;
    justify-content: flex-start;
  }

  body.nav-open .main-nav {
    display: block;
  }

  .main-nav > ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    margin-top: var(--space-2);
    border-top: 1px solid var(--color-border);
    padding: var(--space-1) 0;
  }

  .main-nav > ul > li {
    width: 100%;
  }

  .main-nav > ul > li > a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0.6rem 0;
    width: 100%;
  }

  .has-dropdown {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    position: static;
  }

  .has-dropdown > a {
    flex: 1;
  }

  .has-dropdown > a::after {
    display: none;
  }

  .dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border: none;
    background: transparent;
    cursor: pointer;
  }

  .dropdown-toggle::before {
    content: "\25BE";
    font-size: 1rem;
    color: var(--color-primary);
    transition: transform 0.2s ease;
  }

  .dropdown-toggle[aria-expanded="true"]::before {
    transform: rotate(180deg);
  }

  .has-dropdown:hover .dropdown,
  .has-dropdown:focus-within .dropdown {
    display: none;
  }

  .has-dropdown.is-open .dropdown {
    display: block;
  }

  .dropdown {
    position: static;
    width: 100%;
    background: var(--color-surface);
    border: none;
    box-shadow: none;
    padding: 0;
    margin: 0 0 var(--space-1);
  }

  .dropdown li a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0.6rem 1rem 0.6rem 2rem;
  }
}

/* ---- Card grid (category/market browsing) ---- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}

.card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-3);
  background: var(--color-white);
  color: var(--color-ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(41, 35, 92, 0.12);
  text-decoration: none;
}

.card__title {
  margin-bottom: var(--space-1);
}

.card__desc {
  color: var(--color-muted);
  margin-bottom: 0;
}

.card__image {
  display: block;
  width: 100%;
  /* The element's width/height attributes (kept for correct intrinsic
     sizing hints) map to a presentational "height: <intrinsic>px" hint;
     since nothing else here declares height, that hint would otherwise
     be the only height in the cascade and win outright, ignoring
     aspect-ratio entirely. Setting height: auto explicitly clears it so
     aspect-ratio actually drives the box size. */
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: var(--space-2);
}

.market-card__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
  margin-bottom: 0;
}

.market-card__arrow {
  color: var(--color-accent);
  transition: transform 0.15s ease;
}

.market-card:hover .market-card__arrow {
  transform: translateX(4px);
}

.placeholder-image {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: 4px;
  aspect-ratio: 4 / 3;
  margin-bottom: var(--space-2);
}

/* ---- Product list (category pages) ---- */

.product-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin: 0 0 var(--space-3);
}

.product-list__item {
  display: flex;
  flex-direction: column;
}

/* ---- Model showcase (comparison-table/pill switcher + panels) ---- */

.model-showcase__panels {
  margin-top: var(--space-4);
}

.model-panel + .model-panel {
  margin-top: 0;
}

/* Keeps the panel's own heading clear of the sticky header when a
   comparison-table row selection scrolls it into view (--header-height
   is set from the header's real rendered height in main.js). */
.model-panel {
  scroll-margin-top: calc(var(--header-height, 76px) + var(--space-2));
}

.model-showcase__intro {
  margin-bottom: var(--space-4);
}

.product-detail__tagline {
  color: var(--color-muted);
  font-style: italic;
}

/* ---- Comparison table doubling as the model switcher ---- */

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.comparison-table caption {
  text-align: left;
  caption-side: top;
  padding: var(--space-2) var(--space-3) 0;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
}

.comparison-table th,
.comparison-table td {
  padding: 0.6rem var(--space-2);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.comparison-table thead th {
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  border-bottom: none;
}

.comparison-table tbody th {
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.comparison-table--switcher tbody tr {
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.comparison-table--switcher tbody tr:hover {
  background: var(--color-surface);
}

.comparison-table--switcher tbody tr:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.comparison-table--switcher tbody tr.is-active td,
.comparison-table--switcher tbody tr.is-active th {
  background: #fff4e5;
}

.comparison-table--switcher tbody tr.is-active th {
  box-shadow: inset 3px 0 0 var(--color-accent);
}

/* ---- Pill switch (D.A.R.T./A.T.E.L.-style nested selector) ---- */

.pill-switch {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: 4px;
  background: var(--color-surface);
  border-radius: 999px;
  border: 1px solid var(--color-border);
}

.pill-switch__btn {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-muted);
  background: transparent;
  border: none;
  border-radius: 999px;
  padding: 0.45rem 1rem;
  cursor: pointer;
}

.pill-switch__btn:hover {
  color: var(--color-primary);
}

.pill-switch__btn.is-active {
  background: var(--color-primary);
  color: var(--color-white);
}

.pill-switch__btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---- Model hero (gallery + stat grid, lean above-the-fold pitch) ---- */

.model-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

@media (max-width: 900px) {
  .model-hero {
    grid-template-columns: 1fr;
  }
}

.model-hero__gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.gallery-main {
  aspect-ratio: 4 / 3;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3);
}

.gallery-placeholder-label {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-1);
}

.gallery-thumb {
  aspect-ratio: 1 / 1;
  margin-bottom: 0;
  padding: 0;
  cursor: pointer;
  border-width: 1px;
}

.gallery-thumb.is-active {
  border-color: var(--color-accent);
  border-width: 2px;
}

.gallery-thumb:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.model-hero__info h3 {
  margin-bottom: var(--space-1);
}

.model-hero__contact {
  display: inline-block;
  margin: var(--space-2) 0 var(--space-3);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-2);
}

.stat-block {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.stat-block__value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat-block__label {
  font-size: 0.78rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ---- Detail tabs (Overview / Full Specifications / Features) ---- */

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.tabs__tab {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-muted);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  padding: var(--space-1) 0 calc(var(--space-1) + 2px);
  margin-bottom: -1px;
  cursor: pointer;
}

.tabs__tab:hover {
  color: var(--color-primary);
}

.tabs__tab[aria-selected="true"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.tabs__tab:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.tabs--secondary {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-3);
}

.tabs--secondary .tabs__list {
  margin-bottom: var(--space-3);
}

.tabs--secondary .tabs__tab {
  font-size: 0.82rem;
}

/* Each spec row is full width internally (fixed-width label column,
   value column that wraps naturally — so a long value like "2300 mm +
   1,705 mm – 700 mm" never collides with anything), but the list itself
   reflows two rows per line on wide screens via auto-fit, roughly
   halving the scroll height of a long group without a fixed 2-column
   split that would look awkward with an odd row count. */
.spec-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 0 var(--space-3);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
}

.spec-list__row {
  display: grid;
  grid-template-columns: minmax(120px, 200px) 1fr;
  gap: var(--space-1) var(--space-2);
  padding: 0.5rem var(--space-1);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
}

.spec-list__row:nth-child(even) {
  background: rgba(41, 35, 92, 0.03);
}

.spec-list__row dt {
  color: var(--color-muted);
  font-weight: 600;
  margin: 0;
}

.spec-list__row dd {
  margin: 0;
  text-align: left;
  overflow-wrap: break-word;
}

@media (max-width: 560px) {
  .spec-list__row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .spec-list__row dt {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }
}

.spec-note {
  font-size: 0.85rem;
  color: var(--color-muted);
  background: var(--color-surface);
  border-left: 3px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
  border-radius: 0 4px 4px 0;
  margin: 0 0 var(--space-2);
}

/* ---- Full Specifications: one collapsible section per source group ---- */

.spec-group-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ---- Expand/collapse (per spec group, via <details>) ---- */

.expand {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-white);
}

.expand > summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

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

.expand > summary::after {
  content: "+";
  font-size: 1.1rem;
  line-height: 1;
  color: var(--color-accent);
  flex-shrink: 0;
}

.expand[open] > summary::after {
  content: "\2212";
}

.expand > summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.expand > summary:hover {
  background: var(--color-surface);
}

.expand__body {
  padding: 0 var(--space-3) var(--space-3);
}

.expand__body h4:first-child {
  margin-top: 0;
}

/* ---- Features: Standard | Optional side by side ---- */

.feature-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 700px) {
  .feature-columns {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

.feature-columns__col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 2px solid var(--color-accent);
}

/* ---- Features: name + explanation callouts (benefits list) ---- */

.feature-pairs {
  margin: 0;
}

.feature-pairs__row {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.feature-pairs__row:last-child {
  border-bottom: none;
}

.feature-pairs__row dt {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 0.25rem;
}

.feature-pairs__row dd {
  margin: 0;
  color: var(--color-ink);
}

.tabs__panel h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
}

.tabs__panel h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary);
  margin: var(--space-2) 0 var(--space-1);
}

/* ---- Footer ---- */

.site-footer {
  background: var(--color-primary);
  color: var(--color-white);
  margin-top: var(--space-5);
}

.site-footer a {
  color: var(--color-white);
}

.site-footer__top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  padding: var(--space-5) 0 var(--space-4);
}

.site-footer h2 {
  color: var(--color-white);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li {
  margin-bottom: 0.4rem;
}

.social-icons {
  display: flex;
  gap: var(--space-2);
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  font-size: 0.85rem;
}

.site-footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: var(--space-3) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: 0.85rem;
}

.site-footer__legal ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.site-footer__wordmark {
  font-family: var(--font-heading);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  font-size: clamp(2.5rem, 10vw, 6rem);
  color: rgba(255, 255, 255, 0.08);
  text-align: right;
  padding: 0 0 var(--space-2);
  overflow: hidden;
  white-space: nowrap;
}