/* ============================================================
   LivingOnLinux — "Sunny Garden" Theme
   Brand: Linux penguin gardening in a sunny, colorful garden
   Palette source: livingonlinux.svg (see Brand Guide)
   Zero JavaScript. LibreJS-compatible.
   ============================================================ */

:root {
  /* Brand palette (from the livingonlinux.svg artwork) */
  --brand-orange: #E69629;
  --brand-orange-deep: #C97F1D;
  --brand-orange-ink: #A64D0A;
  --brand-leaf: #B5E06C;
  --brand-leaf-deep: #8FBF4D;
  --brand-sun: #F0C419;
  --brand-blossom: #F78A68;
  --brand-soil: #6E5B3F;

  /* Surfaces */
  --bg-primary: #FFF8EC;
  --bg-card: #FFFFFF;
  --bg-soft: #FDF3E0;
  --sky-top: #FFF6D6;
  --sky-bottom: #FFD86B;

  /* Text */
  --text-primary: #2B2620;
  --text-secondary: #6B5D4A;
  --text-inverse: #FFF8EC;

  /* Lines & effects */
  --border: #F0E2CC;
  --link: #A64D0A;
  --link-hover: #7E3A06;
  --shadow-soft: 0 2px 10px rgba(110, 91, 63, 0.08);
  --shadow-lift: 0 8px 24px rgba(110, 91, 63, 0.16);
  --radius: 14px;
  --max-width: 960px;
}

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

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

body {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino,
               "Book Antiqua", Georgia, "Times New Roman", serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
}

h1, h2, h3, h4, .logo-wordmark, .nav-links, .tag, .read-more,
.section-title, .hero-title, .hero-subtitle, .post-card-content time,
button, a {
  font-family: -apple-system, BlinkMacSystem, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
}

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

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

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

main {
  min-height: 60vh;
}

/* ============================================================
   Header & Navigation
   ============================================================ */

header {
  background: #FFFDF7;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  width: 40px;
  height: 40px;
  display: block;
}

.logo-wordmark {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.logo-wordmark em {
  color: var(--brand-orange);
  font-style: normal;
}

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

.nav-links a {
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--brand-orange-ink);
  text-decoration: none;
}

/* ============================================================
   Hero — penguin gardener in a sunny garden
   ============================================================ */

.hero {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 4rem 1.5rem 6rem;
}

.hero-sky {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, var(--sky-top) 0%, #FFE9A8 55%, var(--sky-bottom) 100%);
}

.hero-hills {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42%;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 130% at 15% 125%, var(--brand-leaf-deep) 0%, var(--brand-leaf-deep) 45%, transparent 46%),
    radial-gradient(130% 140% at 85% 130%, var(--brand-leaf) 0%, var(--brand-leaf) 48%, transparent 49%);
}

.hero-mark {
  position: relative;
  z-index: 2;
  width: 240px;
  height: auto;
  margin: 0 auto 1.25rem;
  display: block;
  filter: drop-shadow(0 12px 20px rgba(110, 91, 63, 0.28));
}

.hero-text {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

/* ============================================================
   Sections & Post Cards
   ============================================================ */

.posts-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 1rem;
}

.section-title {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 1.75rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--brand-orange);
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.post-card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.post-card-content {
  padding: 1.4rem 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-tags {
  margin-bottom: 0.75rem;
}

.tag {
  display: inline-block;
  background: var(--bg-soft);
  color: var(--brand-orange-ink);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  margin: 0 0.35rem 0.35rem 0;
}

.post-card-content h3 {
  font-size: 1.2rem;
  line-height: 1.35;
  margin-bottom: 0.4rem;
}

.post-card-content h3 a {
  color: var(--text-primary);
}

.post-card-content h3 a:hover {
  color: var(--brand-orange-ink);
  text-decoration: none;
}

.post-card-content time {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.75rem;
}

.post-card-content p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  flex: 1;
}

.read-more {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--brand-orange-ink);
}

.read-more:hover {
  color: var(--link-hover);
  text-decoration: none;
}

.empty-note {
  text-align: center;
  color: var(--text-secondary);
  padding: 3rem 0;
}

/* ============================================================
   About Preview
   ============================================================ */

.about-preview {
  max-width: var(--max-width);
  margin: 2.5rem auto 0;
  padding: 0 1.5rem 3.5rem;
}

.about-preview-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 5px solid var(--brand-orange);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  box-shadow: var(--shadow-soft);
}

.about-preview-inner p {
  margin-bottom: 1rem;
}

.about-cta {
  display: inline-block;
  margin-top: 0.75rem;
  background: var(--brand-orange);
  color: #2B2620;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  transition: background 0.2s ease, transform 0.15s ease;
}

.about-cta:hover {
  background: var(--brand-orange-deep);
  color: #2B2620;
  text-decoration: none;
  transform: translateY(-1px);
}

/* ============================================================
   Post / Page Content
   ============================================================ */

.page-content,
.posts-list-section,
.guides-list,
.coming-soon {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.page-content h1,
.coming-soon h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.page-content p,
.coming-soon p {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}

.page-content ul,
.coming-soon ul {
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
}

.page-content li,
.coming-soon li {
  margin-bottom: 0.4rem;
}

.page-content h2,
.page-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.page-content h2 {
  font-size: 1.6rem;
  font-weight: 800;
}

.page-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.page-content blockquote {
  border-left: 4px solid var(--brand-orange);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--bg-soft);
  border-radius: 0 10px 10px 0;
  color: var(--text-secondary);
}

.page-content iframe {
  max-width: 100%;
  border-radius: 10px;
  display: block;
  margin: 1.5rem auto;
}

.page-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.page-content code,
.coming-soon code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1rem 0.4rem;
  font-size: 0.9em;
  color: var(--brand-orange-ink);
}

.page-content pre {
  background: #2B2620;
  color: #F5EFE4;
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  line-height: 1.55;
}

.page-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

/* Posts list page */
.posts-list-section h1,
.guides-list h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1.75rem;
}

.posts-list-section .posts-grid,
.guides-list .posts-grid {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ============================================================
   404 page
   ============================================================ */

.error-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 1.5rem;
  text-align: center;
}

.error-page h1 {
  font-size: 6rem;
  font-weight: 800;
  color: var(--brand-orange);
  margin-bottom: 0.5rem;
}

.error-page h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.error-page p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.go-home {
  font-weight: 700;
  font-size: 1.1rem;
  border-bottom: 2px solid var(--brand-orange);
  padding-bottom: 2px;
}

/* ============================================================
   Footer
   ============================================================ */

footer {
  background: #2B2620;
  color: #CFC4B4;
  margin-top: 3rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.25rem 1.5rem;
  text-align: center;
  font-size: 0.92rem;
}

.footer-inner p {
  margin-bottom: 0.6rem;
}

.footer-inner a {
  color: var(--brand-sun);
}

.footer-inner a:hover {
  color: #FFE08A;
}

.freedom-note {
  font-size: 0.8rem !important;
  opacity: 0.75;
}

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

@media (max-width: 768px) {
  .hero {
    padding: 3rem 1.25rem 5.5rem;
  }

  .hero-mark {
    width: 180px;
    margin-bottom: 1rem;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  nav {
    flex-direction: column;
    gap: 0.6rem;
  }

  .nav-links {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

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

  .section-title {
    font-size: 1.45rem;
  }

  .about-preview-inner {
    padding: 1.5rem 1.4rem;
  }
}