/*
Theme Name: ZeroY Starter
Description: Industrial B2B theme engineered for Shornar Moto based on DESIGN.md and visual reference.
Version: 1.0.0
*/

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

html {
  font-size: 16px;
}

body {
  margin: 0;
  background-color: var(--color-white);
  color: var(--color-dark);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-signal);
  outline-offset: 3px;
}

/* Accessibility skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-signal);
  color: var(--color-white);
  padding: 12px 20px;
  font-weight: 600;
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  z-index: 1000;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
}

/* Layout container */
.wrap {
  width: min(calc(100% - 48px), var(--max-width));
  margin-inline: auto;
}

/* Base Headings & Display Types */
.display, .section-title, h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  font-weight: 700;
}

.display {
  font-size: var(--text-display);
}

.display .slash {
  color: var(--color-signal);
}

.section-title {
  font-size: var(--text-h2);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

.mono {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

/* Eyebrow label with red marker */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-steel);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 3px;
  background: var(--color-signal);
  flex-shrink: 0;
}

.eyebrow.eyebrow-light {
  color: var(--color-concrete);
}

/* Buttons and Links */
.cut {
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.btn {
  height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-weight: 600;
  font-size: var(--text-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--color-signal);
  color: var(--color-white);
  border-color: var(--color-signal);
}

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

.btn-secondary {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-white);
}

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

.btn-outline:hover {
  background-color: var(--color-concrete);
  border-color: var(--color-dark);
}

.btn::after {
  content: "→";
  font-size: 1.1em;
  line-height: 1;
}

/* Status Chips & Badges */
.chip {
  height: 28px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid var(--color-steel);
  border-radius: var(--radius-sm);
  font-size: var(--text-micro);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-dark);
}

.chip.chip-dark {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.chip.chip-red {
  border-color: var(--color-signal);
  color: var(--color-signal);
}

.chip.chip-solid {
  background: var(--color-signal);
  border-color: var(--color-signal);
  color: var(--color-white);
}

.dot {
  width: 6px;
  height: 6px;
  border: 1px solid currentColor;
  transform: rotate(45deg);
}

/* Header Topbar */
.site-header {
  height: 72px;
  background-color: var(--color-dark);
  color: var(--color-white);
  border-bottom: 1px solid var(--line-dark);
  border-top: 3px solid var(--color-signal);
  position: relative;
  z-index: 1000;
  width: 100%;
}

.site-header .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: static;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-white);
  flex-shrink: 0;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border: 3.5px solid var(--color-signal);
  transform: skewX(-12deg);
  display: inline-block;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 100%;
  position: static;
}

.site-nav a {
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-concrete);
  font-weight: 600;
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.site-nav a:hover,
.site-nav a.current,
.site-nav li.current_page_item a {
  color: var(--color-white);
}

.site-nav a.current::after,
.site-nav li.current_page_item a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-signal);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 28px;
  height: 100%;
  position: static;
}

/* Nav Dropdown & Mega Menu for Books */
.site-nav li.nav-item-dropdown {
  position: static;
  display: inline-flex;
  align-items: center;
  height: 72px;
}

.site-nav li.nav-item-dropdown a.nav-link-dropdown {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  height: 72px;
  padding: 0 4px;
  line-height: 72px;
}

.nav-dropdown-arrow {
  font-size: 0.65rem;
  line-height: 1;
  display: inline-block;
  transition: transform var(--transition-fast);
}

.site-nav li.nav-item-dropdown:hover .nav-dropdown-arrow,
.site-nav li.nav-item-dropdown:focus-within .nav-dropdown-arrow {
  transform: rotate(180deg);
  color: var(--color-signal);
}

/* Mega Menu Container */
.megamenu-panel {
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  width: 100%;
  background: var(--color-dark);
  border-bottom: 2px solid var(--color-signal);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.7);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.megamenu-hover-bridge {
  position: absolute;
  top: -24px;
  left: 0;
  right: 0;
  height: 24px;
  background: transparent;
  pointer-events: auto;
}

.site-nav li.nav-item-dropdown:hover .megamenu-panel,
.site-nav li.nav-item-dropdown:focus-within .megamenu-panel,
.megamenu-panel:hover {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

.megamenu-inner {
  width: min(calc(100% - 48px), var(--max-width));
  margin-inline: auto;
  padding: 32px 0 24px;
}

.megamenu-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.megamenu-eyebrow {
  display: block;
  font-size: var(--text-micro);
  font-weight: 700;
  color: var(--color-signal);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.megamenu-main-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}

.megamenu-all-btn {
  height: 36px;
  padding: 0 16px;
  font-size: 0.75rem;
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-concrete);
}

.megamenu-all-btn:hover {
  background: var(--color-signal);
  border-color: var(--color-signal);
  color: var(--color-white);
}

/* 4-Column Grid for Taxonomies */
.megamenu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.35fr;
  gap: 24px;
  align-items: start;
}

.megamenu-col {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-dark);
  border-top: 2px solid var(--color-signal);
  padding: 18px;
  display: flex;
  flex-direction: column;
}

.megamenu-col.col-audience {
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.16);
  border-top: 2px solid var(--color-signal);
}

.megamenu-col-header {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.megamenu-col-icon {
  font-size: 1rem;
}

.megamenu-col-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.megamenu-col-count {
  font-size: 0.72rem;
  color: var(--color-steel);
  margin-left: auto;
}

.megamenu-term-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.megamenu-term-list li {
  margin: 0;
  padding: 0;
}

.megamenu-term-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  color: var(--color-concrete);
  font-size: var(--text-small);
  text-transform: none;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast), padding-left var(--transition-fast);
}

.megamenu-term-link::after {
  display: none !important;
}

.megamenu-term-link:hover,
.megamenu-term-link:focus {
  background: rgba(198, 40, 40, 0.18);
  color: var(--color-white);
  padding-left: 14px;
}

.megamenu-term-link .term-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.megamenu-term-link .term-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.megamenu-term-link .term-count {
  font-size: 0.72rem;
  color: var(--color-steel);
  margin-left: 8px;
  padding: 2px 6px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
}

.megamenu-term-link:hover .term-count {
  color: var(--color-white);
  background: var(--color-signal);
}

/* Audience Term Cards with Image & Description */
.megamenu-audience-list {
  gap: 8px;
}

.megamenu-term-link.audience-card-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.megamenu-term-link.audience-card-link:hover {
  background: rgba(198, 40, 40, 0.16);
  border-color: var(--color-signal);
  padding-left: 10px;
}

.term-img-box {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-dark);
  overflow: hidden;
  background: var(--color-dark);
  display: grid;
  place-items: center;
}

.term-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.term-text-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.term-desc {
  display: block;
  font-size: 0.72rem;
  color: var(--color-steel);
  line-height: 1.35;
  white-space: normal;
}

.megamenu-term-link.audience-card-link:hover .term-desc {
  color: var(--color-concrete);
}

.megamenu-term-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
}

.megamenu-term-item .megamenu-term-link {
  flex: 1;
}

.btn-term-media {
  background: rgba(37, 44, 49, 0.9);
  border: 1px solid var(--color-steel);
  color: var(--color-concrete);
  font-size: 0.65rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-term-media:hover {
  background: var(--color-signal);
  border-color: var(--color-signal);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-term-media.btn-download-file {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-concrete);
}

.btn-term-media.btn-download-file:hover {
  background: #2e7d32;
  border-color: #2e7d32;
  color: #fff;
}

/* Video Lightbox Modal */
.video-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 99999;
  display: none;
  place-items: center;
  padding: 24px;
}

.video-modal-overlay.is-active {
  display: grid;
}

.video-modal-container {
  width: min(900px, 94vw);
  background: var(--color-dark);
  border: 1px solid var(--line-dark);
  border-top: 3px solid var(--color-signal);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8);
  position: relative;
}

.video-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: #181d20;
  border-bottom: 1px solid var(--line-dark);
}

.video-modal-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.video-modal-close {
  background: transparent;
  border: none;
  color: var(--color-steel);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
  transition: color var(--transition-fast);
}

.video-modal-close:hover {
  color: var(--color-signal);
}

.video-modal-player-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  background: #000;
}

.video-modal-player-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.megamenu-footer {
  border-top: 1px solid var(--line-dark);
  margin-top: 24px;
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: var(--text-micro);
}

.megamenu-footer-note {
  color: var(--color-steel);
}

.megamenu-footer-contact {
  color: var(--color-signal);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.megamenu-footer-contact:hover {
  text-decoration: underline;
  color: var(--color-white);
}

.header-action {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-cta {
  height: 38px;
  padding: 0 18px;
  font-size: var(--text-micro);
  letter-spacing: 0.08em;
}

/* Footer */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 80px 0 32px;
  border-top: 1px solid var(--line-dark);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 3px;
  background: var(--color-signal);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 48px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-brand-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-word {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 6.4rem);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-word em {
  color: var(--color-signal);
  font-style: normal;
}

.footer-tagline {
  color: var(--color-steel);
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  max-width: 440px;
  line-height: 1.6;
  margin: 0;
}

.footer-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-dark);
}

.footer-col h4 {
  color: var(--color-steel);
  font-size: var(--text-micro);
  letter-spacing: 0.14em;
  margin-bottom: 14px;
  font-weight: 700;
}

.footer-col p {
  color: var(--color-concrete);
  font-size: var(--text-small);
  margin: 0;
  line-height: 1.6;
}

.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav-list a {
  color: var(--color-concrete);
  font-size: var(--text-small);
  transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
  color: var(--color-signal);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-steel);
  font-size: var(--text-micro);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

/* Global Section Framework */
section {
  padding: 96px 0;
  position: relative;
}

.section-head {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 56px;
}

.section-head.stack {
  display: block;
}

.section-head.stack .section-title {
  margin-top: 10px;
  margin-bottom: 16px;
}

.system-index {
  color: var(--color-signal);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.section-desc {
  color: var(--color-steel);
  font-size: var(--text-body);
  margin: 0;
  max-width: 600px;
}

/* Dark Section Variant */
.section-dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.section-dark .section-desc {
  color: var(--color-concrete);
}

/* Concrete Section Variant */
.section-concrete {
  background-color: var(--color-concrete);
}

/* Technical Grid Overlay */
.bg-grid {
  position: relative;
}

.bg-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.bg-grid-light::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(37, 44, 49, 0.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(37, 44, 49, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Responsive Media Queries */
@media (max-width: 960px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: 16px;
    align-items: flex-start;
  }
  
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .megamenu-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .wrap {
    width: min(calc(100% - 32px), var(--max-width));
  }
  
  section {
    padding: 64px 0;
  }
  
  .site-header {
    height: auto;
    padding: 12px 0;
  }

  .site-header .wrap {
    flex-wrap: wrap;
    gap: 12px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-top: 6px;
    border-top: 1px solid var(--line-dark);
  }

  .site-nav ul {
    gap: 18px;
  }
  
  .brand {
    font-size: 1.25rem;
  }
  
  .footer-meta {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .megamenu-panel {
    position: static;
    width: 100%;
    box-shadow: none;
    padding: 16px 0;
  }

  .megamenu-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .megamenu-inner {
    width: 100%;
    padding: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}