/* Dekho Prime - Minimalist 3-Color Design System */
:root {
  /* Color Type 1: Accent (Dekho Prime Crimson) */
  --accent: #ea383e;
  --accent-hover: #f44e54;
  --accent-muted: rgba(234, 56, 62, 0.12);
  --accent-glow: rgba(234, 56, 62, 0.35);

  /* Color Type 2: Dark Backgrounds */
  --bg-dark: #09090b;
  --bg-card: #121215;
  --bg-card-hover: #18181c;
  --bg-elevated: #1e1e24;

  /* Color Type 3: Neutrals (Text & Subtle Borders) */
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-subtle: #71717a;
  --border: #27272a;
  --border-light: #3f3f46;

  /* Typography & Layout */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --max-w-content: 1140px;
  --max-w-article: 800px;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, rgba(234, 56, 62, 0.08), transparent 45%),
              var(--bg-dark);
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p {
  color: var(--text-muted);
}

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

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-w-content);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.article-container {
  width: 100%;
  max-width: var(--max-w-article);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: rgba(9, 9, 11, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.brand-full-logo {
  height: 38px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
}

.brand-mobile-group {
  display: none;
}

@media (max-width: 640px) {
  .brand-full-logo {
    display: none;
  }
  .brand-mobile-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.brand-title span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0.25rem;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent);
  border-radius: 2px;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  line-height: 0;
}

.mobile-menu-btn:hover {
  background-color: var(--bg-card);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff !important;
  box-shadow: 0 4px 18px var(--accent-glow);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.badge-accent {
  background-color: var(--accent-muted);
  color: var(--accent);
  border: 1px solid rgba(234, 56, 62, 0.25);
}

.badge-muted {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.hero-pill:hover {
  border-color: var(--accent);
}

.hero-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.hero-title {
  margin-bottom: 1.25rem;
  font-weight: 800;
  line-height: 1.15;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #ffffff 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 680px;
  margin: 0 auto 2.25rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Feature & Download Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.card-highlight {
  border-color: rgba(234, 56, 62, 0.35);
}

.card-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--accent-muted);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
}

.card-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* App Download Specific Cards */
.download-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.download-card:hover {
  border-color: var(--accent);
}

.download-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.download-specs {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.download-specs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.download-specs svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* Sections */
.section {
  padding: 4.5rem 0;
  border-top: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-tag {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.section-title {
  margin-bottom: 0.85rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Changelog Styles */
.changelog-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.changelog-entry {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}

.changelog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.changelog-version {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.changelog-group {
  margin-bottom: 1.5rem;
}

.changelog-group:last-child {
  margin-bottom: 0;
}

.changelog-group-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 0.65rem;
}

.changelog-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-left: 0.25rem;
}

.changelog-list li {
  font-size: 0.925rem;
  color: var(--text-muted);
  position: relative;
  padding-left: 1.25rem;
  line-height: 1.5;
}

.changelog-list li::before {
  content: '•';
  color: var(--accent);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* Article Listing */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.article-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.article-card:hover {
  border-color: var(--border-light);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.article-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-bottom: 0.85rem;
}

.article-title-link {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.article-title-link:hover {
  color: var(--accent);
}

.article-snippet {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag-badge {
  font-size: 0.75rem;
  color: var(--text-subtle);
  background-color: var(--bg-elevated);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* Single Article Content Styling */
.article-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-subtle);
  margin-bottom: 1.5rem;
}

.article-header-title {
  margin-bottom: 1rem;
  line-height: 1.2;
}

.article-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background-color: var(--bg-card);
}

/* Markdown Content Elements */
.markdown-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-main);
}

.markdown-body > * + * {
  margin-top: 1.5rem;
}

.markdown-body h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.markdown-body h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.markdown-body p {
  color: #d4d4d8;
  margin-bottom: 1.25rem;
}

.markdown-body ul, .markdown-body ol {
  padding-left: 1.75rem;
  margin-bottom: 1.5rem;
  color: #d4d4d8;
}

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

.markdown-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1.25rem;
  background-color: var(--bg-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-muted);
  margin: 1.75rem 0;
  font-style: italic;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  overflow-x: auto;
  display: block;
}

.markdown-body th, .markdown-body td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  text-align: left;
}

.markdown-body th {
  background-color: var(--bg-card);
  color: var(--text-main);
  font-weight: 600;
}

.markdown-body tr:nth-child(even) td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Code Snippets & Copy Button */
.code-block-wrapper {
  position: relative;
  margin: 1.75rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: #0d0d10;
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-subtle);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition);
}

.copy-btn:hover {
  background-color: var(--bg-elevated);
  color: var(--text-main);
}

.code-block-wrapper pre {
  margin: 0;
  padding: 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.55;
}

:not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--accent);
}

/* Social Share Bar */
.social-share-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 1.5rem 0;
  margin: 3rem 0 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.social-share-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: var(--transition);
}

.share-btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
  border-color: var(--border-light);
}

.share-btn.whatsapp:hover { color: #25d366; }
.share-btn.telegram:hover { color: #0088cc; }
.share-btn.facebook:hover { color: #1877f2; }
.share-btn.twitter:hover { color: #ffffff; }

/* Table of Contents */
.toc-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0 2.5rem;
}

.toc-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.toc-link {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.toc-link:hover {
  color: var(--accent);
  padding-left: 0.25rem;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background-color: #070709;
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

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

.footer-brand p {
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-link:hover {
  color: var(--accent);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-subtle);
}

/* Mobile Responsive */
@media (max-width: 860px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem;
    gap: 0.75rem;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .header-cta-group {
    display: none;
  }
}