/*
Theme Name: KVD Cinematic
Theme URI: https://4kvideodrones.com
Author: Elena Rostova (HTML5 Foundry)
Author URI: https://html5foundry.com
Description: High-performance, cinematic video-first theme engineered for 4kvideodrones.com. Zero jQuery dependency, native CSS Grid, Core Web Vitals optimized, dark mode native.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: kvd-cinematic
*/

:root {
  --kvd-bg: #0a0e17;
  --kvd-surface: #111827;
  --kvd-surface-card: #151f30;
  --kvd-surface-hover: #1e2c44;
  --kvd-border: #1f293d;
  --kvd-border-light: #2d3b55;
  --kvd-accent: #ff5500;
  --kvd-accent-hover: #ff7026;
  --kvd-accent-glow: rgba(255, 85, 0, 0.25);
  --kvd-text: #f1f5f9;
  --kvd-text-muted: #94a3b8;
  --kvd-text-subtle: #64748b;
  --kvd-gold: #f59e0b;
  --kvd-radius-sm: 6px;
  --kvd-radius-md: 10px;
  --kvd-radius-lg: 16px;
  --kvd-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --kvd-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --kvd-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--kvd-bg);
  color: var(--kvd-text);
  font-family: var(--kvd-font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--kvd-bg);
  color: var(--kvd-text);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
  color: var(--kvd-accent);
}

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

/* Header & Navigation */
.kvd-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--kvd-border);
  transition: background-color 0.2s ease;
}

.kvd-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.kvd-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 1.5rem;
}

.kvd-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--kvd-text);
  white-space: nowrap;
}

.kvd-logo:hover {
  color: var(--kvd-text);
}

.kvd-logo-badge {
  background: linear-gradient(135deg, var(--kvd-accent), #e03e00);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 900;
  padding: 0.2rem 0.45rem;
  border-radius: var(--kvd-radius-sm);
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px var(--kvd-accent-glow);
}

.kvd-logo-text span {
  color: var(--kvd-accent);
}

.kvd-nav-desktop {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.kvd-nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--kvd-text-muted);
  padding: 0.5rem 0.85rem;
  border-radius: var(--kvd-radius-sm);
  transition: all 0.15s ease;
}

.kvd-nav-link:hover, .kvd-nav-link.active {
  color: var(--kvd-text);
  background-color: var(--kvd-surface);
}

.kvd-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.kvd-search-toggle, .kvd-mobile-toggle {
  background: var(--kvd-surface);
  border: 1px solid var(--kvd-border);
  color: var(--kvd-text-muted);
  width: 40px;
  height: 40px;
  border-radius: var(--kvd-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.kvd-search-toggle:hover, .kvd-mobile-toggle:hover {
  color: var(--kvd-text);
  border-color: var(--kvd-accent);
  background: var(--kvd-surface-hover);
}

.kvd-mobile-toggle {
  display: none;
}

/* Search Drawer */
.kvd-search-bar {
  display: none;
  padding: 0.85rem 0;
  background: var(--kvd-surface);
  border-bottom: 1px solid var(--kvd-border);
}

.kvd-search-bar.active {
  display: block;
}

.kvd-search-form {
  display: flex;
  gap: 0.5rem;
  max-width: 600px;
  margin: 0 auto;
}

.kvd-search-input {
  flex: 1;
  background: var(--kvd-bg);
  border: 1px solid var(--kvd-border);
  color: var(--kvd-text);
  padding: 0.65rem 1rem;
  border-radius: var(--kvd-radius-sm);
  font-size: 0.95rem;
}

.kvd-search-input:focus {
  outline: none;
  border-color: var(--kvd-accent);
  box-shadow: 0 0 0 2px var(--kvd-accent-glow);
}

.kvd-search-btn {
  background: var(--kvd-accent);
  border: none;
  color: #fff;
  padding: 0.65rem 1.25rem;
  border-radius: var(--kvd-radius-sm);
  font-weight: 700;
  cursor: pointer;
}

.kvd-search-btn:hover {
  background: var(--kvd-accent-hover);
}

/* Mobile Nav Drawer */
.kvd-mobile-menu {
  display: none;
  background: var(--kvd-surface);
  border-bottom: 1px solid var(--kvd-border);
  padding: 1rem 0;
}

.kvd-mobile-menu.active {
  display: block;
}

.kvd-mobile-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.kvd-mobile-nav .kvd-nav-link {
  display: block;
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
}

/* Main Layout */
.kvd-main {
  flex: 1;
  padding: 2rem 0 4rem;
}

/* Category Filter Bar */
.kvd-category-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.5rem 0 1.5rem;
  margin-bottom: 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--kvd-border) transparent;
}

.kvd-pill {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  background: var(--kvd-surface);
  color: var(--kvd-text-muted);
  border: 1px solid var(--kvd-border);
  white-space: nowrap;
  transition: all 0.15s ease;
}

.kvd-pill:hover, .kvd-pill.active {
  background: var(--kvd-accent);
  color: #fff;
  border-color: var(--kvd-accent);
  box-shadow: 0 2px 10px var(--kvd-accent-glow);
}

/* Hero Section */
.kvd-hero {
  position: relative;
  background: linear-gradient(180deg, var(--kvd-surface-card) 0%, var(--kvd-bg) 100%);
  border: 1px solid var(--kvd-border);
  border-radius: var(--kvd-radius-lg);
  overflow: hidden;
  margin-bottom: 2.5rem;
  box-shadow: var(--kvd-shadow);
}

.kvd-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
}

.kvd-hero-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}

.kvd-hero-media iframe, .kvd-hero-media video, .kvd-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kvd-hero-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.kvd-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--kvd-accent);
}

.kvd-hero-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--kvd-text);
}

.kvd-hero-title a:hover {
  color: var(--kvd-accent);
}

.kvd-hero-excerpt {
  color: var(--kvd-text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.kvd-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--kvd-text-subtle);
}

.kvd-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--kvd-accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--kvd-radius-sm);
  width: fit-content;
  transition: all 0.15s ease;
}

.kvd-btn:hover {
  background: var(--kvd-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--kvd-accent-glow);
}

/* Video Cards Grid */
.kvd-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--kvd-border);
}

.kvd-section-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.kvd-section-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1.25rem;
  background: var(--kvd-accent);
  border-radius: 2px;
}

.kvd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3rem;
}

.kvd-card {
  background: var(--kvd-surface-card);
  border: 1px solid var(--kvd-border);
  border-radius: var(--kvd-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.kvd-card:hover {
  transform: translateY(-4px);
  border-color: var(--kvd-border-light);
  box-shadow: var(--kvd-shadow);
}

.kvd-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0d131f;
  overflow: hidden;
}

.kvd-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.kvd-card:hover .kvd-card-media img {
  transform: scale(1.05);
}

.kvd-badge-4k {
  position: absolute;
  top: 0.65rem;
  left: 0.65rem;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(4px);
  color: var(--kvd-gold);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(245, 158, 11, 0.3);
  letter-spacing: 0.05em;
}

.kvd-badge-duration {
  position: absolute;
  bottom: 0.65rem;
  right: 0.65rem;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-family: var(--kvd-font-mono);
}

.kvd-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 48px;
  height: 48px;
  background: rgba(255, 85, 0, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px var(--kvd-accent-glow);
}

.kvd-card:hover .kvd-play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.kvd-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.65rem;
}

.kvd-card-cat {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--kvd-accent);
  letter-spacing: 0.05em;
}

.kvd-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--kvd-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kvd-card-title a:hover {
  color: var(--kvd-accent);
}

.kvd-card-excerpt {
  color: var(--kvd-text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: auto;
}

.kvd-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--kvd-border);
  font-size: 0.8rem;
  color: var(--kvd-text-subtle);
}

/* Pagination */
.kvd-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 3rem 0;
}

.kvd-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.5rem;
  background: var(--kvd-surface);
  border: 1px solid var(--kvd-border);
  border-radius: var(--kvd-radius-sm);
  color: var(--kvd-text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

.kvd-pagination .page-numbers:hover, .kvd-pagination .page-numbers.current {
  background: var(--kvd-accent);
  border-color: var(--kvd-accent);
  color: #fff;
}

/* Single Article Layout */
.kvd-article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
}

.kvd-article-single {
  background: var(--kvd-surface-card);
  border: 1px solid var(--kvd-border);
  border-radius: var(--kvd-radius-lg);
  overflow: hidden;
  box-shadow: var(--kvd-shadow);
}

.kvd-article-player {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  width: 100%;
  overflow: hidden;
  border-bottom: 1px solid var(--kvd-border);
}

.kvd-article-player iframe, .kvd-article-player video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.kvd-article-content-wrapper {
  padding: 2.5rem;
}

.kvd-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--kvd-text-subtle);
  margin-bottom: 1.25rem;
}

.kvd-breadcrumbs a:hover {
  color: var(--kvd-accent);
}

.kvd-article-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.kvd-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--kvd-border);
  font-size: 0.875rem;
  color: var(--kvd-text-muted);
}

.kvd-article-body {
  font-size: 1.1rem;
  line-height: 1.75;
  color: #cbd5e1;
}

.kvd-article-body p {
  margin-bottom: 1.5rem;
}

.kvd-article-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--kvd-text);
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.01em;
}

.kvd-article-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--kvd-text);
  margin: 2rem 0 0.75rem;
}

.kvd-article-body ul, .kvd-article-body ol {
  margin: 1.25rem 0 1.5rem 2rem;
}

.kvd-article-body li {
  margin-bottom: 0.5rem;
}

.kvd-article-body blockquote {
  border-left: 3px solid var(--kvd-accent);
  padding: 1rem 1.5rem;
  background: var(--kvd-surface);
  border-radius: 0 var(--kvd-radius-sm) var(--kvd-radius-sm) 0;
  margin: 2rem 0;
  color: var(--kvd-text);
  font-style: italic;
}

/* Embedded Video Blocks & Responsive Players */
figure.wp-block-embed,
.wp-block-embed-youtube {
  margin: 2.5rem 0;
  clear: both;
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
}

.wp-block-embed__wrapper,
.wp-block-embed-youtube .wp-block-embed__wrapper {
  position: relative;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--kvd-radius-md);
  overflow: hidden;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--kvd-border);
}

.wp-block-embed__wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  border-radius: var(--kvd-radius-md);
}

figcaption.wp-element-caption {
  margin-top: 1rem;
  padding: 0 0.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--kvd-text-muted);
  text-align: left;
}

.yt-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--kvd-text);
  line-height: 1.4;
  display: block;
}

.yt-channel {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--kvd-accent);
}

.yt-tags {
  font-size: 0.8rem;
  color: var(--kvd-text-subtle);
  word-break: break-word;
}

/* Collapsible Video Details Elements */
details.embed-yt-inline {
  margin-top: 0.75rem;
  background: var(--kvd-surface);
  border: 1px solid var(--kvd-border);
  border-radius: var(--kvd-radius-sm);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

details.embed-yt-inline[open] {
  border-color: var(--kvd-border-light);
}

details.embed-yt-inline > summary {
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--kvd-text-muted);
  background: var(--kvd-surface-card);
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  transition: background 0.15s ease, color 0.15s ease;
}

details.embed-yt-inline > summary::-webkit-details-marker {
  display: none;
}

details.embed-yt-inline > summary:hover {
  color: var(--kvd-text);
  background: var(--kvd-surface-hover);
}

details.embed-yt-inline > summary::after {
  content: "▾";
  font-size: 0.95rem;
  color: var(--kvd-accent);
  transition: transform 0.2s ease;
}

details.embed-yt-inline[open] > summary::after {
  transform: rotate(180deg);
}

details.embed-yt-inline small {
  display: block;
  padding: 1rem;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--kvd-text-muted);
  border-top: 1px solid var(--kvd-border);
  white-space: pre-wrap;
  word-break: break-word;
}

/* In-Content Clean Display Ad Slots */
.kvd-ad-slot {
  margin: 2rem auto;
  padding: 1rem;
  background: rgba(17, 24, 39, 0.6);
  border: 1px dashed var(--kvd-border);
  border-radius: var(--kvd-radius-md);
  text-align: center;
  max-width: 728px;
  overflow: hidden;
}

.kvd-ad-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--kvd-text-subtle);
  margin-bottom: 0.5rem;
}

/* Native Share Card */
.kvd-share-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--kvd-border);
}

.kvd-share-label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--kvd-text-muted);
}

.kvd-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: var(--kvd-surface);
  border: 1px solid var(--kvd-border);
  border-radius: var(--kvd-radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--kvd-text);
  cursor: pointer;
  transition: all 0.15s ease;
}

.kvd-share-btn:hover {
  background: var(--kvd-surface-hover);
  border-color: var(--kvd-accent);
  color: var(--kvd-accent);
}

/* Sidebar */
.kvd-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.kvd-widget {
  background: var(--kvd-surface-card);
  border: 1px solid var(--kvd-border);
  border-radius: var(--kvd-radius-md);
  padding: 1.5rem;
}

.kvd-widget-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--kvd-border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.kvd-widget-title::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 1rem;
  background: var(--kvd-accent);
  border-radius: 2px;
}

/* Footer */
.kvd-footer {
  background: #06090f;
  border-top: 1px solid var(--kvd-border);
  padding: 3.5rem 0 2rem;
  font-size: 0.9rem;
  color: var(--kvd-text-muted);
}

.kvd-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.kvd-footer-brand p {
  margin-top: 1rem;
  line-height: 1.6;
  max-width: 380px;
  color: var(--kvd-text-subtle);
}

.kvd-footer-col h4 {
  color: var(--kvd-text);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kvd-footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.kvd-footer-col a:hover {
  color: var(--kvd-accent);
}

.kvd-footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--kvd-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--kvd-text-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Cookie / EU Consent Banner */
.kvd-consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(17, 24, 39, 0.97);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--kvd-border-light);
  padding: 1.25rem;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
  display: none;
}

.kvd-consent-banner.show {
  display: block;
}

.kvd-consent-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.kvd-consent-text {
  font-size: 0.875rem;
  color: var(--kvd-text-muted);
  max-width: 800px;
}

.kvd-consent-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.kvd-consent-accept {
  background: var(--kvd-accent);
  color: #fff;
  border: none;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--kvd-radius-sm);
  cursor: pointer;
}

.kvd-consent-accept:hover {
  background: var(--kvd-accent-hover);
}

.kvd-consent-decline {
  background: transparent;
  color: var(--kvd-text-muted);
  border: 1px solid var(--kvd-border);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.6rem 1rem;
  border-radius: var(--kvd-radius-sm);
  cursor: pointer;
}

.kvd-consent-decline:hover {
  background: var(--kvd-surface);
  color: var(--kvd-text);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .kvd-hero-grid {
    grid-template-columns: 1fr;
  }
  .kvd-article-layout {
    grid-template-columns: 1fr;
  }
  .kvd-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .kvd-nav-desktop {
    display: none;
  }
  .kvd-mobile-toggle {
    display: flex;
  }
  .kvd-hero-content {
    padding: 1.5rem;
  }
  .kvd-hero-title {
    font-size: 1.5rem;
  }
  .kvd-article-content-wrapper {
    padding: 1.5rem;
  }
  .kvd-article-title {
    font-size: 1.6rem;
  }
  .kvd-footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   SIMULATED 4K DRONE FPV FLIGHT STREAM PLACEHOLDER WITH GLITCH ARTIFACTS
   ========================================================================== */

.kvd-drone-sim {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #020408;
  user-select: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.kvd-drone-sim-card {
  min-height: 180px;
}

.kvd-drone-sim-hero {
  min-height: 380px;
}

/* Camera Micro-Vibration & Flight Banking */
.kvd-sim-viewport {
  position: absolute;
  inset: -15px;
  overflow: hidden;
  animation: kvdFlightMotion 7s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes kvdFlightMotion {
  0% { transform: rotate(-3deg) translateY(-2px) scale(1.04); }
  25% { transform: rotate(2deg) translateY(3px) scale(1.05); }
  50% { transform: rotate(-1.5deg) translateY(-4px) scale(1.04); }
  75% { transform: rotate(3.5deg) translateY(2px) scale(1.05); }
  100% { transform: rotate(-2deg) translateY(-1px) scale(1.04); }
}

/* Jitter/Shake Overlay (High Frequency Gyro Noise) */
.kvd-sim-jitter {
  position: absolute;
  inset: 0;
  animation: kvdJitter 0.08s infinite linear;
}

@keyframes kvdJitter {
  0% { transform: translate(0, 0); }
  25% { transform: translate(0.4px, -0.4px); }
  50% { transform: translate(-0.4px, 0.3px); }
  75% { transform: translate(0.3px, 0.4px); }
  100% { transform: translate(0, 0); }
}

/* Sky & Distant Atmosphere */
.kvd-sim-sky {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 54%;
  background: radial-gradient(ellipse at 50% 100%, #172a45 0%, #0a1322 50%, #03060a 100%);
}

.kvd-sim-stars {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background-image: 
    radial-gradient(1px 1px at 20px 30px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 140px 70px, #38bdf8, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 280px 40px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 450px 80px, #f59e0b, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 620px 25px, #ffffff, rgba(0,0,0,0));
  opacity: 0.6;
}

/* Ambient Horizon Glow & Ridge */
.kvd-sim-horizon {
  position: absolute;
  top: 52%;
  left: -20%;
  right: -20%;
  height: 3px;
  background: linear-gradient(90deg, transparent 5%, rgba(255, 85, 0, 0.8) 35%, rgba(245, 158, 11, 1) 50%, rgba(255, 85, 0, 0.8) 65%, transparent 95%);
  box-shadow: 0 0 16px rgba(255, 85, 0, 0.7), 0 0 4px #ff5500;
}

.kvd-sim-mountains {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(180deg, #162438 0%, #0c1420 70%, #060a12 100%);
  clip-path: polygon(0% 100%, 4% 65%, 10% 80%, 18% 45%, 26% 70%, 34% 35%, 44% 65%, 52% 40%, 62% 60%, 72% 30%, 82% 55%, 90% 45%, 100% 100%);
  filter: drop-shadow(0 0 8px rgba(255, 85, 0, 0.2));
}

/* Forward Ground Mesh Grid */
.kvd-sim-ground-grid {
  position: absolute;
  top: 50%;
  left: -60%;
  right: -60%;
  bottom: -60%;
  perspective: 220px;
  transform: rotateX(75deg);
  background-image: 
    linear-gradient(to right, rgba(255, 85, 0, 0.4) 1.5px, transparent 1.5px),
    linear-gradient(to bottom, rgba(56, 189, 248, 0.35) 1.5px, transparent 1.5px);
  background-size: 45px 45px;
  animation: kvdGroundRush 0.65s linear infinite;
  mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 100%);
}

@keyframes kvdGroundRush {
  0% { background-position-y: 0px; }
  100% { background-position-y: 45px; }
}

/* CRT Scanlines, Vignette & Barrel Distortion */
.kvd-sim-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.4) 0px, rgba(0, 0, 0, 0.4) 1px, transparent 1px, transparent 3px);
  pointer-events: none;
  z-index: 8;
  opacity: 0.85;
}

.kvd-sim-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 55%, rgba(2, 4, 8, 0.88) 100%);
  pointer-events: none;
  z-index: 9;
}

/* Rolling Video Transmission Bar */
.kvd-sim-roll-bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 20px;
  background: linear-gradient(180deg, transparent, rgba(56, 189, 248, 0.08), transparent);
  pointer-events: none;
  z-index: 10;
  animation: kvdRollDown 7s linear infinite;
}

@keyframes kvdRollDown {
  0% { top: -30px; opacity: 0; }
  20% { opacity: 0.8; }
  80% { opacity: 0.8; }
  100% { top: 105%; opacity: 0; }
}

/* Glitch Burst & Chromatic Aberration */
.kvd-sim-glitch-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 12;
  opacity: 0;
  animation: kvdGlitchPulse 4.2s infinite;
}

@keyframes kvdGlitchPulse {
  0%, 93% { opacity: 0; transform: none; }
  94% {
    opacity: 0.95;
    background: rgba(255, 85, 0, 0.12);
    clip-path: polygon(0 15%, 100% 15%, 100% 24%, 0 24%);
    transform: translateX(-8px);
    filter: invert(20%) hue-rotate(90deg);
  }
  95% {
    opacity: 0.85;
    clip-path: polygon(0 58%, 100% 58%, 100% 68%, 0 68%);
    transform: translateX(10px) skewX(4deg);
  }
  96% {
    opacity: 0.9;
    clip-path: polygon(0 35%, 100% 35%, 100% 39%, 0 39%);
    transform: translateX(-5px);
  }
  97% {
    opacity: 0.6;
    clip-path: polygon(0 80%, 100% 80%, 100% 86%, 0 86%);
    transform: translateX(4px);
  }
  98%, 100% { opacity: 0; transform: none; }
}

/* Telemetry HUD */
.kvd-sim-hud {
  position: absolute;
  inset: 0;
  padding: 1.15rem 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
  z-index: 15;
  font-size: 0.76rem;
  font-weight: 700;
  color: #38bdf8;
  text-shadow: 0 1px 3px #000, 0 0 2px #000;
  letter-spacing: 0.05em;
}

.kvd-drone-sim-card .kvd-sim-hud {
  padding: 0.75rem 0.9rem;
  font-size: 0.68rem;
}

.kvd-hud-top, .kvd-hud-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kvd-hud-rec {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #ef4444;
  font-weight: 900;
  background: rgba(0, 0, 0, 0.6);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  border: 1px solid rgba(239, 68, 68, 0.5);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.3);
}

.kvd-rec-dot {
  width: 8px;
  height: 8px;
  background: #ef4444;
  border-radius: 50%;
  box-shadow: 0 0 8px #ef4444;
  animation: kvdRecBlink 1s infinite;
}

@keyframes kvdRecBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

.kvd-hud-group {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.kvd-drone-sim-card .kvd-hud-group {
  gap: 0.65rem;
}

.kvd-hud-badge {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 0.18rem 0.5rem;
  border-radius: 3px;
  font-weight: 800;
}

/* Center Crosshair & Artificial Horizon Pitch */
.kvd-hud-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.kvd-reticle-cross {
  width: 56px;
  height: 56px;
  position: relative;
}

.kvd-drone-sim-card .kvd-reticle-cross {
  width: 40px;
  height: 40px;
}

.kvd-reticle-cross::before, .kvd-reticle-cross::after {
  content: "";
  position: absolute;
  background: rgba(255, 85, 0, 0.9);
  box-shadow: 0 0 8px rgba(255, 85, 0, 0.7);
}

.kvd-reticle-cross::before {
  top: 27px;
  left: 0;
  right: 0;
  height: 2px;
}

.kvd-drone-sim-card .kvd-reticle-cross::before {
  top: 19px;
}

.kvd-reticle-cross::after {
  left: 27px;
  top: 0;
  bottom: 0;
  width: 2px;
}

.kvd-drone-sim-card .kvd-reticle-cross::after {
  left: 19px;
}

.kvd-reticle-circle {
  position: absolute;
  inset: 8px;
  border: 1.5px dashed rgba(56, 189, 248, 0.8);
  border-radius: 50%;
  animation: kvdReticleSpin 18s linear infinite;
}

@keyframes kvdReticleSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Artificial Horizon Pitch Ladder */
.kvd-hud-ladder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 85, 0, 0.85);
  font-size: 0.65rem;
}

.kvd-ladder-step {
  display: flex;
  align-items: center;
  gap: 12px;
}

.kvd-ladder-dash {
  width: 24px;
  height: 1.5px;
  background: rgba(255, 85, 0, 0.8);
}

.kvd-hud-val {
  color: #f1f5f9;
  font-weight: 800;
}

.kvd-glitch-text {
  animation: kvdGlitchTxt 4.2s infinite;
}

@keyframes kvdGlitchTxt {
  0%, 93% { transform: none; text-shadow: 0 1px 3px #000; }
  94% { transform: skewX(-14deg); text-shadow: -2.5px 0 #ef4444, 2.5px 0 #38bdf8; }
  96% { transform: skewX(10deg); text-shadow: 2.5px 0 #ef4444, -2.5px 0 #38bdf8; }
  98%, 100% { transform: none; text-shadow: 0 1px 3px #000; }
}

/* Glitch Warning Alert Box */
.kvd-sim-alert-box {
  position: absolute;
  bottom: 45px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(239, 68, 68, 0.85);
  color: #fff;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  opacity: 0;
  animation: kvdAlertFlash 4.2s infinite;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.8);
  pointer-events: none;
  white-space: nowrap;
}

@keyframes kvdAlertFlash {
  0%, 93% { opacity: 0; }
  94% { opacity: 1; }
  96% { opacity: 1; }
  97%, 100% { opacity: 0; }
}