/* ==========================================================================
   hugo-ghost: A Ghost/Casper-inspired Hugo theme
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */
:root {
  /* Colors - Light Mode */
  --color-bg: #fff;
  --color-bg-secondary: #f5f5f5;
  --color-text: #343f44;
  --color-text-secondary: #738a94;
  --color-text-tertiary: #a0adb4;
  --color-border: #e1e5e9;
  --color-border-secondary: #eef0f1;
  --color-heading: #15171a;
  --color-link: var(--ghost-accent-color, #15171a);
  --color-card-bg: #fff;
  --color-card-shadow: rgba(0, 0, 0, 0.04);
  --color-hero-bg: #15171a;
  --color-hero-text: #ffffff;
  --color-hero-description: rgba(255, 255, 255, 0.7);
  --color-nav-bg: rgba(255, 255, 255, 0.97);
  --color-code-bg: #f4f5f6;
  --color-subscribe-bg: #f5f5f5;

  /* Typography */
  --font-serif: Georgia, 'Times New Roman', Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier,
    monospace;

  /* Sizes */
  --content-width: 720px;
  --outer-width: 1200px;
  --nav-height: 64px;
  --font-size-base: 18px;
  --line-height-base: 1.7;

  /* Transitions */
  --transition-speed: 0.3s;
}

/* Dark Mode Colors */
.dark-mode {
  --color-bg: #15171a;
  --color-bg-secondary: #1d2024;
  --color-text: #c5d2d9;
  --color-text-secondary: #a0adb4;
  --color-text-tertiary: #738a94;
  --color-border: #2a2e32;
  --color-border-secondary: #2a2e32;
  --color-heading: #f0f0f0;
  --color-link: #f0f0f0;
  --color-card-bg: #1d2024;
  --color-card-shadow: rgba(0, 0, 0, 0.12);
  --color-hero-bg: #0b0c0e;
  --color-hero-text: #ffffff;
  --color-hero-description: rgba(255, 255, 255, 0.6);
  --color-nav-bg: rgba(21, 23, 26, 0.97);
  --color-code-bg: #2a2e32;
  --color-subscribe-bg: #1d2024;
}

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

html {
  font-size: 62.5%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-speed) ease,
    color var(--transition-speed) ease;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em;
  transition: color var(--transition-speed) ease;
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  opacity: 0.85;
}

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

p {
  margin: 0 0 1.5em;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.gh-outer {
  padding-left: max(4vmin, 20px);
  padding-right: max(4vmin, 20px);
}

.gh-inner {
  max-width: var(--outer-width);
  margin: 0 auto;
  width: 100%;
}

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

.gh-main {
  flex: 1 0 auto;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.gh-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color var(--transition-speed) ease,
    box-shadow 0.2s ease;
}

.gh-header-shadow {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.dark-mode .gh-header-shadow {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.gh-nav {
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.gh-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 24px;
}

.gh-nav-brand {
  flex-shrink: 0;
}

.gh-nav-logo {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.gh-nav-logo:hover {
  opacity: 1;
  color: var(--color-heading);
}

.gh-nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: nowrap;
}

.gh-nav-link {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
  padding: 4px 0;
  position: relative;
}

.gh-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-link);
  transition: width 0.2s ease;
}

.gh-nav-link:hover {
  color: var(--color-heading);
  opacity: 1;
}

.gh-nav-link:hover::after {
  width: 100%;
}

.gh-nav-link-active {
  color: var(--color-heading);
}

.gh-nav-link-active::after {
  width: 100%;
}

/* Dark Mode Toggle Button */
.gh-darkmode-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: 50%;
  transition: background-color 0.2s ease, color 0.2s ease;
  flex-shrink: 0;
}

.gh-darkmode-toggle:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-heading);
}

/* Show sun in dark mode, moon in light mode */
.gh-icon-sun {
  display: none;
}

.gh-icon-moon {
  display: block;
}

.dark-mode .gh-icon-sun {
  display: block;
}

.dark-mode .gh-icon-moon {
  display: none;
}

/* Burger menu (mobile) */
.gh-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  gap: 5px;
  flex-shrink: 0;
}

.gh-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-heading);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.gh-burger-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.gh-burger-active span:nth-child(2) {
  opacity: 0;
}

.gh-burger-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Homepage Hero
   ========================================================================== */
.gh-hero {
  padding-top: 10vmin;
  padding-bottom: 10vmin;
  background-color: var(--color-hero-bg);
  background-size: cover;
  background-position: center;
  border-bottom: none;
  transition: background-color var(--transition-speed) ease;
}

.gh-hero[style*="background-image"] {
  position: relative;
  color: #fff;
}

.gh-hero[style*="background-image"]::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}

.gh-hero[style*="background-image"] .gh-hero-inner {
  position: relative;
  z-index: 1;
}

.gh-hero[style*="background-image"] .gh-hero-title,
.gh-hero[style*="background-image"] .gh-hero-description {
  color: #fff;
}

.gh-hero-inner {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.gh-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3.6rem, 5vw, 6.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.3em;
  color: var(--color-hero-text);
}

.gh-hero-description {
  font-size: clamp(1.8rem, 2.2vw, 2.2rem);
  color: var(--color-hero-description);
  font-weight: 400;
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   Post Card Grid
   ========================================================================== */
.gh-feed {
  padding-top: 8vmin;
  padding-bottom: 8vmin;
}

.gh-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 30px;
}

/* Post Card */
.gh-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-card-bg);
  border-radius: 4px;
  overflow: hidden;
  transition: opacity 0.2s ease,
    background-color var(--transition-speed) ease;
}

.gh-card:hover {
  opacity: 0.9;
}

.gh-card-image {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 4px;
}

.gh-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gh-card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 12px 0 24px;
}

.gh-card-meta {
  margin-bottom: 4px;
}

.gh-card-tag {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-link);
}

.gh-card-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

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

.gh-card-title a:hover {
  opacity: 1;
  color: var(--color-link);
}

.gh-card-excerpt {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin: 0 0 auto;
  padding-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gh-card-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 8px;
  font-size: 1.3rem;
  color: var(--color-text-tertiary);
  padding-top: 8px;
  margin-top: auto;
}

.gh-card-author {
  font-weight: 500;
  color: var(--color-text-secondary);
}

.gh-card-separator {
  color: var(--color-text-tertiary);
}

/* ==========================================================================
   Tag / List Page Header
   ========================================================================== */
.gh-tag-header {
  padding-top: 8vmin;
  padding-bottom: 4vmin;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition-speed) ease;
}

.gh-tag-name {
  font-family: var(--font-serif);
  font-size: clamp(3.2rem, 4vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.2em;
}

.gh-tag-description {
  font-size: 1.8rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 0.5em;
}

.gh-tag-count {
  display: inline-block;
  font-size: 1.4rem;
  color: var(--color-text-tertiary);
}

/* ==========================================================================
   Single Article
   ========================================================================== */
.gh-article-header {
  padding-top: 8vmin;
  padding-bottom: 4vmin;
  text-align: center;
}

.gh-article-header-inner {
  max-width: var(--content-width);
}

.gh-article-tag {
  margin-bottom: 12px;
}

.gh-article-tag a {
  font-size: 1.3rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-link);
}

.gh-article-title {
  font-family: var(--font-serif);
  font-size: clamp(3.2rem, 5.5vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.4em;
}

.gh-article-excerpt {
  font-size: clamp(1.8rem, 2.2vw, 2.2rem);
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0 0 1.5em;
}

.gh-article-meta {
  display: flex;
  justify-content: center;
}

.gh-article-meta-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 10px;
  font-size: 1.4rem;
  color: var(--color-text-tertiary);
}

.gh-article-author {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.gh-article-separator {
  color: var(--color-text-tertiary);
}

/* Feature Image */
.gh-article-image {
  margin-bottom: 6vmin;
}

.gh-article-image-inner {
  max-width: 1040px;
}

.gh-article-image img {
  width: 100%;
  border-radius: 8px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ==========================================================================
   Article Body / Content Styles (gh-content)
   ========================================================================== */
.gh-article-body-inner {
  max-width: var(--content-width);
}

.gh-content {
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  word-break: break-word;
}

.gh-content > * + * {
  margin-top: 0;
}

.gh-content h1 {
  font-size: 3.6rem;
  margin-top: 2em;
  margin-bottom: 0.5em;
}

.gh-content h2 {
  font-size: 2.8rem;
  margin-top: 1.8em;
  margin-bottom: 0.5em;
}

.gh-content h3 {
  font-size: 2.2rem;
  margin-top: 1.4em;
  margin-bottom: 0.4em;
}

.gh-content h4 {
  font-size: 1.8rem;
  margin-top: 1.2em;
  margin-bottom: 0.3em;
}

.gh-content h5,
.gh-content h6 {
  font-size: 1.6rem;
  margin-top: 1em;
  margin-bottom: 0.3em;
}

.gh-content p {
  margin: 0 0 1.5em;
}

.gh-content a {
  color: var(--color-heading);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

.gh-content a:hover {
  opacity: 0.85;
}

.gh-content strong {
  font-weight: 700;
  color: var(--color-heading);
}

.gh-content em {
  font-style: italic;
}

.gh-content ul,
.gh-content ol {
  margin: 0 0 1.5em;
  padding-left: 1.8em;
}

.gh-content li {
  margin-bottom: 0.5em;
}

.gh-content li > ul,
.gh-content li > ol {
  margin-top: 0.5em;
  margin-bottom: 0;
}

.gh-content blockquote {
  margin: 2em 0;
  padding: 0 0 0 1.5em;
  border-left: 3px solid var(--color-link);
  font-style: italic;
  font-size: 1.1em;
  color: var(--color-text-secondary);
}

.gh-content blockquote p:last-child {
  margin-bottom: 0;
}

.gh-content pre {
  background-color: var(--color-code-bg);
  border-radius: 6px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 2em 0;
  font-family: var(--font-mono);
  font-size: 0.88em;
  line-height: 1.6;
  transition: background-color var(--transition-speed) ease;
}

.gh-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-code-bg);
  padding: 2px 6px;
  border-radius: 3px;
  transition: background-color var(--transition-speed) ease;
}

.gh-content pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

.gh-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 3em 0;
  transition: border-color var(--transition-speed) ease;
}

.gh-content figure {
  margin: 2em 0;
}

.gh-content figcaption {
  font-size: 1.4rem;
  text-align: center;
  color: var(--color-text-tertiary);
  margin-top: 0.8em;
}

.gh-content img {
  border-radius: 6px;
  margin: 0 auto;
}

.gh-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-size: 1.6rem;
}

.gh-content thead th {
  text-align: left;
  font-weight: 700;
  border-bottom: 2px solid var(--color-border);
  padding: 10px 12px;
  color: var(--color-heading);
}

.gh-content tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border-secondary);
}

.gh-content tbody tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   Article Footer (Tags)
   ========================================================================== */
.gh-article-footer {
  padding-top: 4vmin;
  padding-bottom: 4vmin;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-speed) ease;
}

.gh-article-footer-inner {
  max-width: var(--content-width);
}

.gh-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.gh-article-tag-link {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 20px;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.gh-article-tag-link:hover {
  background-color: var(--color-link);
  color: #fff;
  opacity: 1;
}

/* ==========================================================================
   Subscribe Section
   ========================================================================== */
.gh-subscribe {
  padding-top: 6vmin;
  padding-bottom: 6vmin;
  background-color: var(--color-subscribe-bg);
  border-top: 1px solid var(--color-border);
  transition: background-color var(--transition-speed) ease,
    border-color var(--transition-speed) ease;
}

.gh-subscribe-inner {
  max-width: 600px;
  text-align: center;
}

.gh-subscribe-title {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  margin-bottom: 0.3em;
}

.gh-subscribe-description {
  font-size: 1.6rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5em;
}

.gh-subscribe-form {
  width: 100%;
}

.gh-subscribe-input-wrapper {
  display: flex;
  max-width: 460px;
  margin: 0 auto;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.gh-subscribe-input {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  font-size: 1.5rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-right: none;
  border-radius: 8px 0 0 8px;
  background-color: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s ease, background-color var(--transition-speed) ease;
}

.gh-subscribe-input:focus {
  border-color: var(--color-link);
}

.gh-subscribe-input::placeholder {
  color: var(--color-text-tertiary);
}

.gh-subscribe-button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 24px;
  font-size: 1.5rem;
  font-weight: 600;
  font-family: var(--font-sans);
  color: #fff;
  background-color: var(--color-link);
  border: none;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.gh-subscribe-button:hover {
  opacity: 0.9;
}

.gh-subscribe-button svg {
  flex-shrink: 0;
}

/* Subscribe Shortcode (inline) */
.gh-subscribe-shortcode {
  margin: 3em 0;
  padding: 3em 2em;
  background-color: var(--color-subscribe-bg);
  border-radius: 12px;
  text-align: center;
  transition: background-color var(--transition-speed) ease;
}

.gh-subscribe-shortcode .gh-subscribe-title {
  font-size: 2.4rem;
}

/* ==========================================================================
   Related Posts
   ========================================================================== */
.gh-related {
  padding-top: 6vmin;
  padding-bottom: 8vmin;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-speed) ease;
}

.gh-related-title {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  margin-bottom: 1.2em;
  text-align: center;
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.gh-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6vmin;
  padding-top: 4vmin;
  border-top: 1px solid var(--color-border);
  font-size: 1.4rem;
  transition: border-color var(--transition-speed) ease;
}

.gh-pagination-prev,
.gh-pagination-next {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  color: var(--color-text-secondary);
  min-width: 120px;
}

.gh-pagination-prev:hover,
.gh-pagination-next:hover {
  color: var(--color-heading);
  opacity: 1;
}

.gh-pagination-next {
  justify-content: flex-end;
  text-align: right;
}

.gh-pagination-disabled {
  visibility: hidden;
}

.gh-pagination-location {
  font-size: 1.3rem;
  color: var(--color-text-tertiary);
}

/* ==========================================================================
   No Posts
   ========================================================================== */
.gh-no-posts {
  text-align: center;
  padding: 8vmin 0;
}

.gh-no-posts h2 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  margin-bottom: 0.3em;
}

.gh-no-posts p {
  font-size: 1.6rem;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   404 Error Page
   ========================================================================== */
.gh-error {
  padding-top: 12vmin;
  padding-bottom: 12vmin;
  text-align: center;
}

.gh-error-code {
  font-family: var(--font-serif);
  font-size: clamp(8rem, 16vw, 16rem);
  font-weight: 800;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 0;
}

.gh-error-title {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  margin-bottom: 0.4em;
}

.gh-error-description {
  font-size: 1.8rem;
  color: var(--color-text-secondary);
  margin-bottom: 2em;
}

.gh-error-link {
  display: inline-block;
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
  background-color: var(--color-link);
  padding: 12px 28px;
  border-radius: 8px;
  transition: opacity 0.2s ease;
}

.gh-error-link:hover {
  color: #fff;
  opacity: 0.9;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.gh-footer {
  padding-top: 6vmin;
  padding-bottom: 4vmin;
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-speed) ease;
}

.gh-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 2vmin;
}

.gh-footer-copyright {
  font-size: 1.4rem;
  color: var(--color-text-secondary);
}

.gh-footer-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.gh-footer-nav a {
  color: var(--color-text-tertiary);
  transition: color 0.2s ease;
}

.gh-footer-nav a:hover {
  color: var(--color-heading);
  opacity: 1;
}

.gh-footer-credits {
  font-size: 1.3rem;
  color: var(--color-text-tertiary);
  text-align: center;
  padding-top: 2vmin;
  border-top: 1px solid var(--color-border-secondary);
}

.gh-footer-credits a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet */
@media (max-width: 991px) {
  .gh-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 24px;
  }
}

/* Mobile */
@media (max-width: 767px) {
  :root {
    --nav-height: 56px;
  }

  .gh-card-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .gh-hero {
    padding-top: 6vmin;
    padding-bottom: 6vmin;
  }

  .gh-article-title {
    font-size: clamp(2.8rem, 6vw, 3.6rem);
  }

  .gh-content h2 {
    font-size: 2.2rem;
  }

  .gh-content h3 {
    font-size: 1.9rem;
  }

  /* Mobile nav menu */
  .gh-burger {
    display: flex;
  }

  .gh-nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 40px;
    gap: 24px;
    background-color: var(--color-bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease,
      background-color var(--transition-speed) ease;
    z-index: 999;
  }

  .gh-nav-menu-open {
    opacity: 1;
    visibility: visible;
  }

  .gh-nav-link {
    font-size: 1.8rem;
  }

  /* Subscribe */
  .gh-subscribe-input-wrapper {
    flex-direction: column;
    border-radius: 8px;
  }

  .gh-subscribe-input {
    border-right: 1px solid var(--color-border);
    border-radius: 8px 8px 0 0;
    border-bottom: none;
  }

  .gh-subscribe-button {
    border-radius: 0 0 8px 8px;
    justify-content: center;
  }

  /* Pagination */
  .gh-pagination {
    flex-direction: column;
    gap: 16px;
  }

  .gh-pagination-prev,
  .gh-pagination-next {
    min-width: auto;
    justify-content: center;
  }
}

/* Small Mobile */
@media (max-width: 479px) {
  .gh-card-content {
    padding: 16px 18px 20px;
  }

  .gh-card-title {
    font-size: 1.8rem;
  }

  .gh-subscribe-shortcode {
    padding: 2em 1.2em;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
  .gh-header,
  .gh-footer,
  .gh-subscribe,
  .gh-related,
  .gh-darkmode-toggle,
  .gh-burger,
  .gh-article-tag-link,
  .gh-pagination {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
    font-size: 12pt;
    line-height: 1.6;
  }

  .gh-outer {
    padding-left: 0;
    padding-right: 0;
  }

  .gh-article-title {
    font-size: 28pt;
  }

  .gh-content a {
    color: #000;
    text-decoration: underline;
  }

  .gh-content a::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #666;
  }

  .gh-content img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  .gh-content pre {
    border: 1px solid #ccc;
    background: #f5f5f5;
    page-break-inside: avoid;
  }

  .gh-content blockquote {
    border-left-color: #000;
  }

  h1, h2, h3, h4, h5, h6 {
    color: #000;
    page-break-after: avoid;
  }

  p {
    orphans: 3;
    widows: 3;
  }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Selection
   ========================================================================== */
::selection {
  background-color: var(--color-link);
  color: #fff;
}