/*
Theme Name: Kaius-V1
Theme URI: https://example.com/kaius-v1
Author: Richard Li
Author URI: https://example.com
Description: A configurable industrial product website theme for construction equipment, agricultural machinery and parts catalogs.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kaius-v1
Tags: custom-logo, custom-menu, custom-colors, featured-images, translation-ready, e-commerce
*/

:root {
  --site-max-width: 1240px;
  --content-max-width: 760px;
  --color-text: #202326;
  --color-muted: #636b74;
  --color-border: #d6d1c7;
  --color-surface: #ffffff;
  --color-background: #f4f2ed;
  --color-primary: #f0b429;
  --color-accent: #1f6f43;
  --color-header: #111820;
  --color-menu: #ffffff;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Arial Narrow", "Roboto Condensed", "Segoe UI", Arial, sans-serif;
  --base-font-size: 16px;
  --menu-font-size: 14px;
  --header-height: 78px;
  --menu-padding-x: 12px;
  --menu-padding-y: 10px;
  --menu-gap: 4px;
  --content-spacing: 40px;
  --product-columns: 3;
  --product-image-ratio: 4 / 3;
  --button-radius: 4px;
  --card-radius: 6px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--base-font-size);
  line-height: 1.65;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

h1,
h2,
h3,
h4,
h5,
h6,
.site-title,
.entry-title {
  font-family: var(--font-heading);
  letter-spacing: 0;
}

img {
  max-width: 100%;
  height: auto;
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-footer {
  background: var(--color-surface);
  border-color: var(--color-border);
}

.site-header {
  z-index: 50;
  background: var(--color-header);
  border-bottom: 1px solid color-mix(in srgb, var(--color-menu), transparent 82%);
  color: var(--color-menu);
}

.site-header.is-sticky {
  position: sticky;
  top: 0;
}

.site-header.is-transparent {
  position: absolute;
  inset: 0 0 auto;
  background: linear-gradient(180deg, rgb(0 0 0 / 0.72), rgb(0 0 0 / 0));
  border-bottom-color: transparent;
}

.site-top-bar {
  background: color-mix(in srgb, #000000, var(--color-header) 88%);
  border-bottom: 1px solid color-mix(in srgb, var(--color-menu), transparent 88%);
  font-size: 0.85rem;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 0;
}

.top-bar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.top-bar-links a {
  color: inherit;
  text-decoration: none;
}

.top-bar-message {
  color: color-mix(in srgb, var(--color-menu), transparent 20%);
}

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
}

.site-container {
  width: min(100% - 32px, var(--site-max-width));
  margin-inline: auto;
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.header-inner {
  min-height: var(--header-height);
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-title {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.2;
  text-transform: uppercase;
}

.site-title a {
  color: inherit;
  text-decoration: none;
}

.site-description {
  margin: 4px 0 0;
  color: color-mix(in srgb, var(--color-menu), transparent 34%);
  font-size: 0.95rem;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  min-width: 0;
}

.primary-menu {
  display: flex;
  flex-wrap: wrap;
  gap: var(--menu-gap);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--menu-font-size);
  font-weight: 700;
}

.primary-menu a {
  display: block;
  color: inherit;
  padding: var(--menu-padding-y) var(--menu-padding-x);
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.primary-menu a:hover,
.primary-menu .current-menu-item > a {
  color: var(--color-primary);
}

.primary-menu li {
  position: relative;
}

.primary-menu .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 60;
  display: none;
  min-width: 220px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: var(--color-header);
  border: 1px solid color-mix(in srgb, var(--color-menu), transparent 82%);
  box-shadow: 0 18px 44px rgb(0 0 0 / 0.22);
}

.primary-menu li:hover > .sub-menu,
.primary-menu li:focus-within > .sub-menu {
  display: block;
}

.primary-menu .sub-menu a {
  padding: 9px 12px;
  white-space: nowrap;
}

.menu-uppercase .primary-menu a {
  text-transform: uppercase;
}

.menu-align-left .header-actions {
  margin-right: auto;
}

.menu-align-center .header-actions {
  flex: 1;
  justify-content: center;
}

.menu-align-right .header-actions {
  margin-left: auto;
}

.menu-align-justify .site-navigation {
  flex: 1;
}

.menu-align-justify .primary-menu {
  justify-content: space-between;
}

.menu-style-underline .primary-menu a {
  border-bottom: 3px solid transparent;
}

.menu-style-underline .primary-menu a:hover,
.menu-style-underline .primary-menu .current-menu-item > a {
  border-bottom-color: var(--color-primary);
}

.menu-style-pills .primary-menu a {
  border-radius: 999px;
}

.menu-style-pills .primary-menu a:hover,
.menu-style-pills .primary-menu .current-menu-item > a {
  background: color-mix(in srgb, var(--color-primary), transparent 82%);
}

.menu-style-blocks .primary-menu a {
  border: 1px solid color-mix(in srgb, var(--color-menu), transparent 80%);
}

.menu-style-blocks .primary-menu a:hover,
.menu-style-blocks .primary-menu .current-menu-item > a {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #151515;
}

.header-cta,
.wp-block-button__link,
button,
input[type="button"],
input[type="submit"] {
  border-radius: var(--button-radius);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  background: var(--color-primary);
  color: #151515;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.header-layout-classic .header-inner,
.header-layout-center .header-inner {
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.header-layout-classic .header-actions,
.header-layout-center .header-actions {
  width: 100%;
  justify-content: center;
}

.header-layout-center .site-branding {
  text-align: center;
}

.header-layout-center .site-branding {
  flex-direction: column;
}

.header-layout-compact .site-description,
.header-layout-compact .site-top-bar {
  display: none;
}

.header-layout-compact .header-inner {
  padding: 10px 0;
}

.site-main {
  width: min(100% - 32px, var(--site-max-width));
  margin: var(--content-spacing) auto;
}

.content-area {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
}

.content-area.no-sidebar {
  display: block;
}

.content-area.no-sidebar .main-column {
  max-width: var(--content-max-width);
  margin-inline: auto;
}

.kaius-layout-wide .content-area.no-sidebar .main-column,
.kaius-layout-wide .main-column {
  max-width: min(100%, 1040px);
}

.kaius-layout-full-width .site-main {
  width: 100%;
  margin-top: 0;
}

.kaius-layout-full-width .content-area.no-sidebar .main-column,
.kaius-layout-full-width .main-column {
  max-width: none;
}

.kaius-layout-full-width .post-card {
  border-inline: 0;
  border-radius: 0;
}

.kaius-layout-boxed .post-card {
  border-top: 4px solid var(--color-primary);
}

.kaius-sidebar-left .content-area {
  grid-template-columns: 320px minmax(0, 1fr);
}

.kaius-sidebar-left .main-column {
  grid-column: 2;
}

.kaius-sidebar-left .sidebar {
  grid-column: 1;
  grid-row: 1;
}

.post-card,
.widget,
.comments-area {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  padding: 24px;
  box-shadow: 0 14px 32px rgb(17 24 32 / 0.06);
}

.post-card + .post-card {
  margin-top: 24px;
}

.entry-title {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.15;
  text-transform: uppercase;
}

.entry-subtitle {
  max-width: 760px;
  margin: 0 0 18px;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.kaius-entry-hero {
  margin: -24px -24px 24px;
  padding: clamp(36px, 8vw, 96px) 24px;
  background: linear-gradient(135deg, var(--color-header), color-mix(in srgb, var(--color-accent), #000000 45%));
  color: var(--color-menu);
}

.kaius-entry-hero .entry-title,
.kaius-entry-hero .entry-subtitle {
  color: inherit;
}

.page-cta {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  background: var(--color-primary);
  border-radius: var(--button-radius);
  color: #151515;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
}

.entry-title a {
  color: inherit;
  text-decoration: none;
}

.entry-meta,
.entry-footer,
.page-header,
.not-found,
.no-results {
  color: var(--color-muted);
}

.wp-block-columns,
.wp-block-group,
.wp-block-cover {
  border-radius: var(--card-radius);
}

.wp-block-button__link {
  background: var(--color-primary);
  color: #151515;
  font-weight: 800;
  text-transform: uppercase;
}

.wp-block-query .wp-block-post,
.products .product,
.wc-block-grid__product {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.products,
.wc-block-grid__products {
  display: grid;
  grid-template-columns: repeat(var(--product-columns), minmax(0, 1fr));
  gap: 24px;
}

.products .product img,
.wc-block-grid__product img {
  aspect-ratio: var(--product-image-ratio);
  object-fit: cover;
}

.footer-layout-stacked .footer-inner {
  flex-direction: column;
  align-items: flex-start;
}

.footer-layout-compact .footer-inner {
  padding: 10px 0;
  font-size: 0.9rem;
}

.products .product,
.wc-block-grid__product {
  padding: 16px;
}

body.product-card-style-catalog .products .product,
body.product-card-style-catalog .wc-block-grid__product {
  border-top: 4px solid var(--color-primary);
}

body.product-card-style-spec .products .product,
body.product-card-style-spec .wc-block-grid__product {
  box-shadow: inset 0 0 0 4px color-mix(in srgb, var(--color-primary), transparent 88%);
}

body.product-card-style-brochure .products .product,
body.product-card-style-brochure .wc-block-grid__product {
  background: linear-gradient(180deg, var(--color-surface), color-mix(in srgb, var(--color-primary), #ffffff 92%));
}

body.kaius-catalog-spec .products .product,
body.kaius-catalog-spec .wc-block-grid__product {
  box-shadow: inset 0 0 0 4px color-mix(in srgb, var(--color-primary), transparent 88%);
}

body.kaius-catalog-catalog .products .product,
body.kaius-catalog-catalog .wc-block-grid__product {
  border-top: 4px solid var(--color-primary);
}

body.kaius-catalog-quote .products .product,
body.kaius-catalog-quote .wc-block-grid__product {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

.entry-content > *:first-child {
  margin-top: 0;
}

.entry-content > *:last-child {
  margin-bottom: 0;
}

.sidebar .widget + .widget {
  margin-top: 20px;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 780px) {
  .header-inner,
  .footer-inner,
  .content-area,
  .top-bar-inner {
    display: block;
  }

  .site-header.is-sticky {
    position: static;
  }

  .top-bar-links,
  .header-actions,
  .primary-menu {
    margin-top: 12px;
  }

  .header-actions {
    display: block;
  }

  .site-navigation {
    margin-top: 16px;
  }

  .primary-menu {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .primary-menu .sub-menu {
    position: static;
    display: block;
    min-width: 0;
    padding: 0 0 0 12px;
    border: 0;
    box-shadow: none;
  }

  .primary-menu a {
    border: 1px solid color-mix(in srgb, var(--color-menu), transparent 82%);
  }

  .header-cta {
    justify-content: center;
    width: 100%;
    margin-top: 12px;
  }

  .sidebar {
    margin-top: 32px;
  }

  .products,
  .wc-block-grid__products {
    grid-template-columns: 1fr;
  }

  .kaius-sidebar-left .main-column,
  .kaius-sidebar-left .sidebar {
    grid-column: auto;
  }

  body.kaius-catalog-quote .products .product,
  body.kaius-catalog-quote .wc-block-grid__product {
    display: block;
  }
}