/* ============================================
   Real World Phoenix — A modern technical blog
   ============================================ */

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

:root {
  --orange: #e0602d;
  --orange-light: #f07048;
  --orange-glow: rgba(224, 96, 45, 0.15);
  --orange-subtle: rgba(224, 96, 45, 0.06);
  --purple: #7c3aed;
  --bg: #0c0c0f;
  --bg-raised: #141419;
  --bg-card: #1a1a22;
  --bg-card-hover: #22222e;
  --surface: #1e1e28;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text: #e8e8ed;
  --text-secondary: #9898a8;
  --text-muted: #5e5e72;
  --code-bg: #12121a;
  --max-w: 720px;
  --max-w-wide: 1080px;
  --nav-h: 64px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", var(--font);
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle film grain texture */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

a { color: var(--orange); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--orange-light); }
img { max-width: 100%; height: auto; }
::selection { background: var(--orange-glow); color: var(--text); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

/* --- Animations --- */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 12, 15, 0.8);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}

.nav-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.02em;
  transition: color 0.2s;
}
.nav-brand:hover { color: var(--orange); }

.nav-brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--orange), var(--orange-light));
  color: #fff;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.45rem 0.75rem;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.nav-link:hover { background: var(--bg-card); color: var(--text); }

/* Dropdown */
.nav-dropdown { position: relative; }

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.75rem;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.nav-dropdown-trigger:hover { background: var(--bg-card); color: var(--text); }
.nav-dropdown-trigger svg { transition: transform 0.2s; }
.nav-dropdown.open .nav-dropdown-trigger svg { transform: rotate(180deg); }

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  opacity: 0;
  min-width: 300px;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: 14px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
  padding: 0.5rem;
  z-index: 200;
  flex-direction: column;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}
.nav-dropdown.open .nav-dropdown-menu {
  display: flex;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-label {
  padding: 0.5rem 0.75rem 0.25rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.nav-dropdown-menu a {
  padding: 0.6rem 0.75rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: var(--bg-card-hover); color: var(--text); }
.nav-dropdown-menu a.active { color: var(--orange); }

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.25rem;
  }
  .nav.open .nav-links { display: flex; }
  .nav-dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0 0 0 0.5rem;
    min-width: 0;
  }
  .nav-dropdown-menu {
    display: flex;
    opacity: 1;
    transform: none;
  }
}

/* --- Hero --- */
.hero {
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, var(--orange-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
  background: var(--orange-subtle);
  border: 1px solid rgba(224, 96, 45, 0.15);
  border-radius: 100px;
  margin-bottom: 1.75rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
}

.hero-highlight {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.5rem;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-light));
  color: #fff;
  box-shadow: 0 2px 12px rgba(224, 96, 45, 0.3);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(224, 96, 45, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-hover);
}
.btn-ghost:hover {
  color: var(--text);
  background: var(--bg-card);
  border-color: var(--border-hover);
}

/* --- Sections --- */
.section {
  padding: 3rem 0;
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* --- Featured card --- */
.featured-card {
  display: block;
  padding: 2rem 2.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.3s var(--ease);
  color: var(--text);
}
.featured-card:hover {
  color: var(--text);
  border-color: var(--orange);
  box-shadow: 0 0 0 1px var(--orange), 0 8px 32px rgba(224, 96, 45, 0.1);
  transform: translateY(-2px);
}

.featured-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 0.75rem;
}

.featured-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.featured-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.meta-sep { color: var(--text-muted); }

/* --- Post grid --- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.post-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: all 0.3s var(--ease);
  color: var(--text);
}
.post-card:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.post-card-tags { margin-bottom: 0.75rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }

.post-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.post-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Tags */
.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--orange);
  background: var(--orange-subtle);
  border-radius: 6px;
}
.tag-sm { font-size: 0.65rem; padding: 0.15rem 0.5rem; }

/* --- CTA --- */
.cta-section { padding: 2rem 0 5rem; }

.cta {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, rgba(224, 96, 45, 0.08), rgba(224, 96, 45, 0.02));
  border: 1px solid rgba(224, 96, 45, 0.12);
  border-radius: 20px;
}
.cta h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.cta p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* --- Article --- */
.post, .page {
  padding: 3rem 0 5rem;
}

.post-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.post-tags { margin-bottom: 1rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }

.post-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Post body typography */
.post-body h1 { display: none; } /* Already shown in header */

.post-body h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-top: 3rem;
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 1rem;
}
.post-body h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 3px;
  background: var(--orange);
  border-radius: 3px;
}

.post-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 2.5rem;
  margin-bottom: 0.5rem;
}

.post-body h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.post-body p {
  margin-bottom: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.post-body ul, .post-body ol {
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}
.post-body li { margin-bottom: 0.4rem; }
.post-body li > ul, .post-body li > ol { margin-top: 0.4rem; margin-bottom: 0; }

.post-body blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--orange-subtle);
  border-left: 3px solid var(--orange);
  border-radius: 0 12px 12px 0;
}
.post-body blockquote p { color: var(--text-secondary); }
.post-body blockquote p:last-child { margin-bottom: 0; }

.post-body hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 3rem 0;
}

.post-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface);
  padding: 0.15em 0.45em;
  border-radius: 5px;
  color: var(--orange-light);
  border: 1px solid var(--border);
}

.post-body pre {
  margin: 1.75rem 0;
  border-radius: 14px;
  overflow-x: auto;
  background: var(--code-bg);
  border: 1px solid var(--border);
}

.post-body pre code {
  display: block;
  padding: 1.5rem;
  background: none;
  color: #cdd6f4;
  font-size: 0.84rem;
  line-height: 1.7;
  border: none;
  border-radius: 0;
}

.post-body a {
  text-decoration-line: underline;
  text-decoration-color: rgba(224, 96, 45, 0.3);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: text-decoration-color 0.2s;
}
.post-body a:hover {
  text-decoration-color: var(--orange);
}

.post-body em { color: var(--text-muted); font-style: italic; }
.post-body strong { font-weight: 600; color: var(--text); }

/* Embedded HTML blocks (Bulma leftovers from old posts) */
.post-body .box {
  padding: 1.5rem;
  border-radius: 14px;
  margin: 1.5rem 0;
}
.post-body .box.has-background-grey { background: var(--code-bg); border: 1px solid var(--border); }
.post-body .box .title.has-text-white,
.post-body .box h4 {
  color: var(--text) !important;
  font-size: 1rem;
  font-style: italic;
  font-weight: 500;
  line-height: 1.6;
  margin: 0;
}
.post-body .column { margin: 1.5rem 0; }

/* Post nav */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.2s var(--ease);
  color: var(--text);
}
.post-nav-link:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--bg-card);
}

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

.post-nav-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.post-nav-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
}

/* --- Page --- */
.page-header {
  margin-bottom: 2rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* --- Footer --- */
.footer {
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-raised);
}

.footer-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.footer-logo {
  color: var(--orange);
  font-family: var(--font-mono);
}

.footer-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

/* --- Syntax highlighting (Catppuccin Mocha) --- */
.hljs { background: var(--code-bg); color: #cdd6f4; }
.hljs-keyword, .hljs-selector-tag, .hljs-built_in, .hljs-name, .hljs-tag { color: #cba6f7; }
.hljs-string, .hljs-attribute, .hljs-literal, .hljs-template-tag, .hljs-template-variable { color: #a6e3a1; }
.hljs-title, .hljs-section, .hljs-type { color: #89b4fa; }
.hljs-comment, .hljs-quote, .hljs-deletion { color: #585b70; font-style: italic; }
.hljs-meta, .hljs-meta .hljs-keyword { color: #fab387; }
.hljs-number { color: #fab387; }
.hljs-symbol, .hljs-bullet, .hljs-link, .hljs-selector-id { color: #89dceb; }
.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: bold; }
.hljs-addition { color: #a6e3a1; }
.hljs-variable { color: #f38ba8; }
.hljs-attr { color: #89b4fa; }
.hljs-params { color: #f5c2e7; }

/* --- About page --- */
.about-hero {
  padding: 5rem 0 3rem;
  position: relative;
  overflow: hidden;
}
.about-hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, var(--orange-glow) 0%, transparent 70%);
  pointer-events: none;
}
.about-hero-inner {
  position: relative;
  max-width: 600px;
}
.about-intro-badge {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
  background: var(--orange-subtle);
  border: 1px solid rgba(224, 96, 45, 0.15);
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.about-hero-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.about-hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-story {
  padding: 2rem 0 3rem;
}

.about-section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}
.about-section:last-child {
  border-bottom: none;
}

.about-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 0.75rem;
}

.about-section-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.about-section-body p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.about-section-body p:last-child { margin-bottom: 0; }
.about-section-body a {
  text-decoration: underline;
  text-decoration-color: rgba(224, 96, 45, 0.3);
  text-underline-offset: 3px;
}
.about-section-body a:hover { text-decoration-color: var(--orange); }

.about-values {
  padding: 3rem 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

.value-card {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.value-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.value-icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 1rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--orange-subtle);
  border-radius: 10px;
}

.value-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.value-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

@media (max-width: 640px) {
  .values-grid { grid-template-columns: 1fr; }
  .about-hero-title { font-size: 2.2rem; }
}

/* --- Responsive --- */
@media (max-width: 640px) {
  html { font-size: 16px; }
  .hero { padding: 4rem 0 3rem; }
  .hero-title { font-size: 2.75rem; }
  .hero-sub { font-size: 1rem; }
  .post-title { font-size: 1.8rem; }
  .post-grid { grid-template-columns: 1fr; }
  .post-nav { grid-template-columns: 1fr; }
  .featured-card { padding: 1.5rem; }
  .featured-title { font-size: 1.3rem; }
  .section { padding: 2rem 0; }
}