/* ==========================================================================
   CUSTOMHUGOTHEME - Main Stylesheet for nyacomputing
   Inspired by LoveIt & Clean White Hugo themes
   ========================================================================== */

/* ---------- CSS Custom Properties (Easy Theming) ---------- */
:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-lighter: #94a3b8;
  --color-heading: #0f172a;
  --color-bg: #f8fafc;
  --color-bg-white: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Merriweather', Georgia, 'Times New Roman', serif;
  --font-mono: 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --container-max: 1200px;
  --sidebar-width: 320px;
  --gap: 2rem;
  --nav-height: 64px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Transitions */
  --transition: 0.2s ease;
}


/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.3;
}


/* ---------- Container ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}


/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.site-header {
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

/* Brand */
.nav-brand .brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-heading);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
}

.nav-brand .brand-link:hover {
  color: var(--color-primary);
}

.brand-logo {
  height: 36px;
  width: auto;
}

.brand-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.nav-links li a {
  display: block;
  padding: 0.5rem 0.85rem;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Social Icons in Nav */
.nav-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-left: 1rem;
  border-left: 1px solid var(--color-border);
}

.nav-social a {
  color: var(--color-text-light);
  font-size: 1rem;
  transition: color var(--transition);
}

.nav-social a:hover {
  color: var(--color-primary);
}

/* Hamburger (Mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}


/* ==========================================================================
   MAIN CONTENT LAYOUT
   ========================================================================== */
.site-main {
  flex: 1;
  padding: var(--gap) 0;
}

/* Wrapper: content + sidebar */
.content-wrapper {
  display: grid;
  gap: var(--gap);
}

.content-wrapper.with-sidebar {
  grid-template-columns: 1fr var(--sidebar-width);
}

.content-wrapper.full-width {
  grid-template-columns: 1fr;
}

.content-wrapper.full-width .content-area {
  max-width: 820px;
  margin: 0 auto;
}


/* ==========================================================================
   POST CARD (used on homepage + listing pages)
   ========================================================================== */
.section-title {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.post-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.post-card-inner {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
}

/* Thumbnail */
.post-card-thumbnail {
  flex-shrink: 0;
  width: 180px;
  height: 140px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.post-card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card-thumbnail-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary-light), #e0e7ff);
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-card-thumbnail-placeholder i {
  font-size: 2.5rem;
  color: var(--color-primary);
  opacity: 0.6;
}

/* Content */
.post-card-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.post-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-lighter);
  margin-bottom: 0.5rem;
}

.post-card-meta a {
  color: var(--color-text-lighter);
}

.post-card-meta a:hover {
  color: var(--color-primary);
}

.post-card-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.post-card-title a {
  color: var(--color-heading);
}

.post-card-title a:hover {
  color: var(--color-primary);
}

.post-card-excerpt {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
}

.read-more:hover {
  gap: 0.6rem;
}

/* View All Button */
.view-all {
  text-align: center;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  cursor: pointer;
}

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

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


/* ==========================================================================
   SINGLE POST (full blog post page)
   ========================================================================== */
.post-single {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.post-header {
  margin-bottom: 2rem;
}

.post-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-lighter);
}

.post-meta a {
  color: var(--color-text-lighter);
}

.post-meta a:hover {
  color: var(--color-primary);
}

.post-thumbnail {
  margin-bottom: 2rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.post-thumbnail img {
  width: 100%;
  max-height: 450px;
  object-fit: cover;
}

/* Post Content Typography */
.post-content {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
}

.post-content h2 {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.post-content h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  margin: 1.5rem 0 0.75rem;
}

.post-content p {
  margin-bottom: 1.25rem;
}

.post-content ul,
.post-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.post-content li {
  margin-bottom: 0.35rem;
}

.post-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
}

.post-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-border-light);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content img {
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
}

.post-content a {
  border-bottom: 1px solid var(--color-primary);
}

.post-content a:hover {
  border-bottom-color: var(--color-primary-hover);
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
}

.post-content th,
.post-content td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.post-content th {
  background: var(--color-border-light);
  font-weight: 600;
}

/* Tags */
.post-tags {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.post-tags i {
  color: var(--color-text-lighter);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition);
}

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

/* Post Navigation */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.post-nav a {
  flex: 1;
  padding: 1rem;
  background: var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.post-nav a:hover {
  background: var(--color-primary-light);
}

.post-nav-next {
  text-align: right;
}

.nav-label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-lighter);
  margin-bottom: 0.25rem;
}

.nav-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-heading);
}


/* ==========================================================================
   STATIC PAGES (about, contact, disclaimer)
   ========================================================================== */
.page-single {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.page-header {
  margin-bottom: 2rem;
  text-align: center;
}

.page-title {
  font-size: 2.25rem;
}

.page-content {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
}

.page-content p {
  margin-bottom: 1.25rem;
}

.page-content h2 {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
}


/* ==========================================================================
   SIDEBAR
   ========================================================================== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.widget {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.widget-title {
  font-size: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

/* Search Widget */
.search-form {
  display: flex;
  gap: 0;
}

.search-input {
  flex: 1;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--color-border);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition);
}

.search-input:focus {
  border-color: var(--color-primary);
}

.search-btn {
  padding: 0.6rem 1rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  cursor: pointer;
  transition: background var(--transition);
}

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

/* Category / Recent List */
.widget-list {
  list-style: none;
}

.widget-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.widget-list li:last-child {
  border-bottom: none;
}

.widget-list li a {
  color: var(--color-text);
  font-size: 0.9rem;
}

.widget-list li a:hover {
  color: var(--color-primary);
}

.widget-list .count {
  font-size: 0.8rem;
  color: var(--color-text-lighter);
}

.widget-list .post-date {
  font-size: 0.75rem;
  color: var(--color-text-lighter);
}

/* Tag Cloud */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag-cloud .tag {
  font-size: 0.78rem;
}

/* Ad Widget */
.ad-placeholder {
  background: var(--color-border-light);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2rem;
  text-align: center;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-text {
  color: var(--color-text-lighter);
  font-size: 0.9rem;
}


/* ==========================================================================
   PAGINATION
   ========================================================================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.page-link {
  padding: 0.5rem 1.25rem;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}

.page-link:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.page-info {
  font-size: 0.85rem;
  color: var(--color-text-lighter);
}


/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-heading);
  color: #cbd5e1;
  padding: 2.5rem 0 0;
  margin-top: auto;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-brand .brand-link:hover {
  color: var(--color-primary-light);
}

.footer-brand .brand-icon {
  color: var(--color-primary-light);
}

.footer-logo {
  height: 28px;
  width: auto;
}

.footer-links {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-links li a {
  color: #94a3b8;
  font-size: 0.88rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.footer-links li a:hover {
  color: white;
  background: rgba(255, 255, 255, 0.1);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  color: #94a3b8;
  font-size: 1.05rem;
  transition: color var(--transition);
}

.footer-social a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding: 1.25rem 0;
  font-size: 0.82rem;
  color: #64748b;
}

.trademark {
  font-weight: 500;
}


/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

/* Tablet: <= 1024px */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 260px;
  }

  .post-card-thumbnail {
    width: 150px;
    height: 120px;
  }

  .post-single {
    padding: 2rem;
  }
}

/* Tablet / Small: <= 860px — sidebar stacks below */
@media (max-width: 860px) {
  .content-wrapper.with-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .widget {
    flex: 1 1 280px;
  }
}

/* Mobile: <= 768px — hamburger menu */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    gap: 0;
  }

  .nav-links li a {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
  }

  .nav-social {
    border-left: none;
    padding-left: 0;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    justify-content: center;
  }

  /* Footer stacks */
  .footer-top {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .footer-social {
    justify-content: center;
  }
}

/* Small Mobile: <= 580px */
@media (max-width: 580px) {
  .post-card-inner {
    flex-direction: column;
    gap: 1rem;
    padding: 1.25rem;
  }

  .post-card-thumbnail {
    width: 100%;
    height: 180px;
  }

  .post-title {
    font-size: 1.5rem;
  }

  .post-single {
    padding: 1.25rem;
  }

  .page-single {
    padding: 1.5rem;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .sidebar {
    flex-direction: column;
  }

  .widget {
    flex: 1 1 100%;
  }
}

/* Very Small: <= 380px */
@media (max-width: 380px) {
  .container {
    padding: 0 1rem;
  }

  .post-card-meta {
    gap: 0.5rem;
    font-size: 0.75rem;
  }

  .post-card-title {
    font-size: 1.05rem;
  }
}