/* ===========================
   CHRONICLES OF STONE & TIME
   Design System & Global Styles
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors (Light Theme) */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-card: #ffffff;
  --color-bg-glass: rgba(255, 255, 255, 0.8);
  --color-border-glass: rgba(0, 0, 0, 0.08);
  --color-accent: #0f172a;
  /* Slate 900 */
  --color-accent-light: #334155;
  /* Slate 700 */
  --color-accent-glow: rgba(15, 23, 42, 0.1);
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-overlay: rgba(255, 255, 255, 0.8);

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-article: 780px;
  --border-radius: 12px;
  --border-radius-lg: 20px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

/* --- Reading Progress Bar --- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  z-index: 1001;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px var(--color-accent-glow);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  transition: background var(--transition-smooth), padding var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-glass);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: 0.5px;
}

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

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.navbar__links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-smooth);
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--color-accent);
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

/* Mobile hamburger */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1002;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.navbar__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.navbar__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(255, 255, 255, 0.1) 0%,
      rgba(255, 255, 255, 0.7) 50%,
      rgba(255, 255, 255, 1) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: var(--spacing-xl);
  animation: fadeInUp 1s ease-out;
}

.hero__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-accent);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 2px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  /* Softer shadow for light bg */
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 4px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hero__cta:hover {
  color: var(--color-bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 168, 83, 0.3);
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero__scroll-hint .arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
}

/* --- Section Styles --- */
.section {
  padding: var(--spacing-3xl) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.section__divider {
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin: 0 auto;
}

/* --- Post Cards Grid --- */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.post-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.post-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow var(--transition-smooth);
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08), 0 0 40px var(--color-accent-glow);
}

.post-card__image-wrapper {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.post-card__image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.post-card:hover .post-card__image-wrapper img {
  transform: scale(1.08);
}

.post-card__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(255, 255, 255, 0.9) 0%, transparent 60%);
}

.post-card__location {
  position: absolute;
  bottom: var(--spacing-md);
  left: var(--spacing-md);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(255, 255, 255, 0.8);
}

.post-card__body {
  padding: var(--spacing-lg);
}

.post-card__date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.post-card__title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.post-card:hover .post-card__title {
  color: var(--color-accent);
}

.post-card__excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}

.post-card:hover .post-card__read-more {
  gap: var(--spacing-sm);
}

/* --- Featured Post --- */
.featured-post {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-2xl);
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
}

.featured-post:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08), 0 0 40px var(--color-accent-glow);
}

.featured-post__image-wrapper {
  position: relative;
  min-height: 400px;
  overflow: hidden;
}

.featured-post__image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.featured-post:hover .featured-post__image-wrapper img {
  transform: scale(1.05);
}

.featured-post__badge {
  position: absolute;
  top: var(--spacing-lg);
  left: var(--spacing-lg);
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 2px;
}

.featured-post__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-2xl);
}

.featured-post__location {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.featured-post__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  transition: color var(--transition-fast);
}

.featured-post:hover .featured-post__title {
  color: var(--color-accent);
}

.featured-post__excerpt {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.featured-post__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.featured-post__date {
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Article Page --- */
.article-hero {
  position: relative;
  height: 70vh;
  min-height: 500px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.article-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.article-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(255, 255, 255, 0.1) 0%,
      rgba(255, 255, 255, 0.6) 60%,
      rgba(255, 255, 255, 1) 100%);
}

.article-hero__content {
  position: relative;
  z-index: 1;
  padding-bottom: var(--spacing-2xl);
  animation: fadeInUp 0.8s ease-out;
}

.article-hero__location {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.article-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  max-width: 800px;
}

.article-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* --- Article Content --- */
.article-content {
  max-width: var(--max-width-article);
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
  margin: var(--spacing-2xl) 0 var(--spacing-md);
  color: var(--color-text-primary);
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  margin: var(--spacing-xl) 0 var(--spacing-md);
  color: var(--color-text-primary);
}

.article-content p {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.article-content p:first-of-type::first-letter {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  float: left;
  line-height: 1;
  margin-right: var(--spacing-sm);
  color: var(--color-accent);
}

.article-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  background: var(--color-bg-glass);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.article-content blockquote p {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-text-primary);
  margin-bottom: 0;
}

.article-content img {
  width: 100%;
  border-radius: var(--border-radius);
  margin: var(--spacing-xl) 0;
}

.article-content ul,
.article-content ol {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.article-content li {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  list-style: disc;
}

.article-content ol li {
  list-style: decimal;
}

.article-content hr {
  border: none;
  height: 1px;
  background: var(--color-border-glass);
  margin: var(--spacing-2xl) 0;
}

/* --- About Page --- */
.about-section {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
}

.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.about-avatar {
  width: 300px;
  height: 300px;
  border-radius: var(--border-radius-lg);
  object-fit: cover;
  border: 2px solid var(--color-border-glass);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.about-content h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.about-content .about-subtitle {
  color: var(--color-accent);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xl);
}

.about-content p {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.about-stats {
  display: flex;
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border-glass);
  border-bottom: 1px solid var(--color-border-glass);
}

.about-stat__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.about-stat__label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-border-glass);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-text-primary);
  font-weight: 600;
}

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

.footer__links {
  display: flex;
  gap: var(--spacing-xl);
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.footer__copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-10px);
  }

  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* --- Loading Skeleton --- */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-secondary) 25%, var(--color-bg-card) 50%, var(--color-bg-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .featured-post {
    grid-template-columns: 1fr;
  }

  .featured-post__image-wrapper {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  .navbar__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--color-border-glass);
    transition: right var(--transition-smooth);
    gap: var(--spacing-xl);
  }

  .navbar__links.open {
    right: 0;
  }

  .navbar__toggle {
    display: flex;
  }

  .posts-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-avatar {
    margin: 0 auto;
  }

  .about-stats {
    justify-content: center;
  }

  .hero__title {
    font-size: 2.2rem;
  }

  .article-hero {
    height: 50vh;
    min-height: 350px;
  }
}

@media (max-width: 480px) {
  .about-stats {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
  }
}