/* ============================================
   Liberdus Journal — Editorial Aesthetic
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT,WONK@9..144,300;9..144,400;9..144,500;9..144,700;9..144,900&family=JetBrains+Mono:wght@400;500&family=Inter+Tight:wght@400;500;600&display=swap');

:root {
  --ink:        #1a1a1a;
  --ink-soft:   #4a4a4a;
  --ink-faint:  #8a8a8a;
  --paper:      #f5f1e8;
  --paper-warm: #ede5d3;
  --rule:       #1a1a1a;
  --accent:     #c8501e;
  --accent-hi:  #e85d1a;
  --highlight:  #ffe16a;

  --serif:   'Fraunces', 'Times New Roman', serif;
  --sans:    'Inter Tight', -apple-system, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, monospace;

  --measure: 68ch;
  --gutter:  clamp(1.25rem, 4vw, 2.5rem);
  --max-w:   1320px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  background-image:
    radial-gradient(ellipse at top left, rgba(200,80,30,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(26,26,26,0.03) 0%, transparent 50%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Subtle paper grain */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

::selection { background: var(--highlight); color: var(--ink); }

/* ===== MASTHEAD ===== */
.masthead {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--rule);
  padding: 1.25rem var(--gutter);
  background: var(--paper);
}

.masthead-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

/* Brand image (left) */
.masthead-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
  justify-self: start;
}

.masthead-brand-img {
  height: clamp(22px, 2.4vw, 28px);
  width: auto;
  display: block;
}

.masthead-brand-fallback {
  font-family: var(--serif);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  letter-spacing: -0.02em;
  color: var(--ink);
}

/* Title (center) */
.masthead-logo {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.04em;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1;
  color: var(--ink);
  text-decoration: none;
  font-style: italic;
  white-space: nowrap;
}

/* Nav (right) */
.masthead-nav {
  display: flex;
  gap: 1.75rem;
  justify-content: flex-end;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.masthead-nav a {
  color: var(--ink);
  text-decoration: none;
  position: relative;
  padding: 0.25rem 0;
  font-weight: 500;
}

.masthead-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.7, 0, 0.3, 1);
}

.masthead-nav a:hover::after,
.masthead-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.masthead-nav a.active { color: var(--accent); }

@media (max-width: 640px) {
  .masthead-inner { gap: 1rem; }
  .masthead-nav { gap: 1rem; font-size: 0.7rem; }
  .masthead-brand-img { height: 20px; }
}

/* ===== HERO ===== */
.hero {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid var(--rule);
  padding: clamp(3rem, 8vw, 6rem) var(--gutter) clamp(2.5rem, 6vw, 4rem);
}

.hero-inner { max-width: var(--max-w); margin: 0 auto; }

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-eyebrow::before {
  content: '';
  width: 2.5rem;
  height: 1px;
  background: var(--accent);
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(3rem, 11vw, 9rem);
  font-weight: 300;
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: italic;
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  color: var(--accent);
}

.hero-sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  color: var(--ink-soft);
  max-width: 52ch;
  line-height: 1.5;
}

/* ===== ARTICLE LIST ===== */
.posts {
  position: relative;
  z-index: 5;
  padding: clamp(3rem, 6vw, 5rem) var(--gutter);
}

.posts-inner { max-width: var(--max-w); margin: 0 auto; }

.posts-list {
  display: flex;
  flex-direction: column;
}

.loading {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
  padding: 3rem 0;
  text-align: center;
}

.error-msg {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  padding: 2rem 0;
  text-align: center;
}

/* Article summary card — list-item style with thumb on right */
.article-card {
  display: grid;
  grid-template-columns: 1fr clamp(180px, 28%, 280px);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-top: 1px solid var(--rule);
  cursor: pointer;
  transition: padding 0.4s cubic-bezier(0.2, 0, 0.2, 1);
}

.article-card:last-child { border-bottom: 1px solid var(--rule); }

.article-card:hover {
  padding-left: clamp(0.5rem, 1.5vw, 1.25rem);
}

.article-card:hover .article-card-title {
  color: var(--accent);
}

.article-card:hover .article-card-thumb {
  transform: scale(1.02);
}

.article-card-body { min-width: 0; }

.article-card-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
  color: var(--ink);
  transition: color 0.3s ease;
  text-wrap: balance;
}

.article-card-intro {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  max-width: 60ch;
}

.article-card-meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.article-card-meta .author { color: var(--accent); }

.article-card-meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--ink-faint);
}

.article-card-thumb {
  display: block;
  aspect-ratio: 16/9;
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.2, 0, 0.2, 1);
}

.article-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 640px) {
  .article-card {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .article-card-thumb { order: -1; }
}

/* ===== FOOTER ===== */
.site-footer {
  position: relative;
  z-index: 5;
  border-top: 1px solid var(--rule);
  padding: clamp(3.5rem, 6vw, 5rem) var(--gutter) 1.75rem;
  background: var(--paper-warm);
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}

.footer-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.footer-eyebrow::before,
.footer-eyebrow::after {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--accent);
}

.footer-headline {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  margin-bottom: 0.85rem;
  text-wrap: balance;
}

.footer-headline em {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  font-weight: 400;
}

.footer-lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--ink-soft);
  max-width: 48ch;
  margin: 0 auto 2.5rem;
  line-height: 1.5;
}

/* Social icon row */
.footer-socials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 1.75rem;
  margin-bottom: 3.5rem;
}

.footer-social {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.25s ease;
}

.footer-social img {
  width: 16px;
  height: 16px;
  display: block;
  /* Tint the SVG icon to match ink color */
  filter: brightness(0) saturate(100%);
  transition: filter 0.25s ease;
}

.footer-social:hover {
  color: var(--accent);
}

.footer-social:hover img {
  /* Tint to accent (burnt orange) on hover */
  filter: brightness(0) saturate(100%) invert(38%) sepia(72%) saturate(1654%)
          hue-rotate(353deg) brightness(91%) contrast(89%);
}

/* Trust pillars: 100% E2E / Decentralized / Open Source */
.footer-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.5rem;
}

.footer-pillars > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.pillar-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-variation-settings: "opsz" 144, "WONK" 1, "SOFT" 80;
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.pillar-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

@media (max-width: 560px) {
  .footer-pillars { grid-template-columns: 1fr; gap: 1.25rem; }
  .footer-pillars > div { flex-direction: row; gap: 0.75rem; }
  .pillar-num { font-size: 1.5rem; }
}

/* Bottom bar: copyright + secondary links */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.25rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.footer-bottom-links {
  display: inline-flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.25s ease;
}

.footer-bottom-links a:hover { color: var(--accent); }

@media (max-width: 560px) {
  .footer-bottom { justify-content: center; text-align: center; }
}

/* ============================================
   MODAL — Article Reader
   ============================================ */

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.modal[aria-hidden="false"] {
  display: block;
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 14, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal-shell {
  position: absolute;
  inset: clamp(1rem, 4vw, 3rem);
  background: var(--paper);
  border: 1px solid var(--rule);
  box-shadow: 0 30px 80px rgba(20, 18, 14, 0.25), 0 6px 20px rgba(20, 18, 14, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.985);
  opacity: 0;
  transition: transform 0.45s cubic-bezier(0.2, 0, 0.2, 1), opacity 0.4s ease;
  max-width: 1100px;
  margin: 0 auto;
}

.modal[aria-hidden="false"] .modal-shell {
  transform: translateY(0) scale(1);
  opacity: 1;
}

@media (max-width: 640px) {
  .modal-shell { inset: 0; max-width: none; border: none; }
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--ink);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}

.modal-close:hover {
  background: var(--ink);
  color: var(--paper);
  transform: rotate(90deg);
}

.modal-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(26, 26, 26, 0.08);
  z-index: 4;
}

.modal-progress-bar {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.05s linear;
}

.modal-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-faint) transparent;
}

.modal-scroll::-webkit-scrollbar { width: 8px; }
.modal-scroll::-webkit-scrollbar-track { background: transparent; }
.modal-scroll::-webkit-scrollbar-thumb { background: var(--ink-faint); border-radius: 4px; }

body.modal-open { overflow: hidden; }

/* ============================================
   ARTICLE — content rendered from article.md
   ============================================ */

.article {
  padding: clamp(3rem, 6vw, 5rem) var(--gutter) clamp(2rem, 4vw, 3rem);
}

.article-header {
  max-width: 980px;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  text-align: center;
  padding-bottom: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--rule);
}

.article-cat {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: inline-block;
}

.article-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  margin-bottom: 1.5rem;
  text-wrap: balance;
}

.article-title em {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144, "WONK" 1, "SOFT" 80;
}

.article-dek {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 auto 2rem;
  text-wrap: balance;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.75rem;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.article-byline strong { color: var(--ink); font-weight: 500; }

/* Body — drop cap, refined typography */
.article-body {
  max-width: var(--measure);
  margin: 0 auto;
  font-size: 1.15rem;
  line-height: 1.72;
  color: var(--ink);
}

.article-body > p:first-of-type::first-letter {
  font-family: var(--serif);
  font-weight: 900;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1;
  font-size: 5.5em;
  line-height: 0.85;
  float: left;
  margin: 0.08em 0.12em -0.08em 0;
  color: var(--accent);
}

.article-body p {
  margin-bottom: 1.5em;
  hyphens: auto;
}

.article-body h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.75rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 2.5em 0 0.8em;
  position: relative;
}

.article-body h2::before {
  content: '§';
  position: absolute;
  left: -2rem;
  top: 0.1em;
  color: var(--accent);
  font-style: italic;
  font-weight: 400;
  font-size: 0.9em;
  font-variation-settings: "opsz" 144, "WONK" 1;
}

.article-body h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 2em 0 0.6em;
  color: var(--ink);
}

.article-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  transition: background 0.25s ease;
}

.article-body a:hover { background: var(--highlight); border-bottom-color: var(--ink); }

.article-body em { font-style: italic; }
.article-body strong { font-weight: 600; }

.article-body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 2em auto;
  border: 1px solid var(--rule);
}

.article-body figure {
  margin: 2.5em 0;
}

.article-body figcaption {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 0.75em;
}

.article-body blockquote {
  margin: 2.5em -1rem;
  padding: 0 1.5rem;
  border-left: 3px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.45rem;
  line-height: 1.4;
  color: var(--ink);
  letter-spacing: -0.01em;
}

@media (max-width: 720px) {
  .article-body blockquote { margin-left: 0; margin-right: 0; }
  .article-body h2::before { display: none; }
}

.article-body ul, .article-body ol {
  margin: 1.5em 0 1.5em 1.5em;
}

.article-body li { margin-bottom: 0.5em; }

.article-body code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--paper-warm);
  padding: 0.15em 0.4em;
  border: 1px solid rgba(26,26,26,0.1);
}

.article-body pre {
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.5;
  background: var(--ink);
  color: var(--paper);
  padding: 1.5rem;
  margin: 2em 0;
  overflow-x: auto;
}

.article-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
}

.article-body hr {
  border: none;
  margin: 3em auto;
  text-align: center;
  width: 100%;
}

.article-body hr::after {
  content: '✦   ✦   ✦';
  font-family: var(--serif);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.5em;
}

.article-tags {
  max-width: var(--measure);
  margin: clamp(2rem, 4vw, 3rem) auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.article-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--ink-faint);
  text-decoration: none;
  color: var(--ink-soft);
  transition: all 0.25s ease;
}

.article-tag:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--paper-warm);
}

/* ===== ENTRANCE ANIMATIONS ===== */
@keyframes rise {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.rise {
  opacity: 0;
  animation: rise 0.85s cubic-bezier(0.2, 0, 0.2, 1) forwards;
}

.rise-1 { animation-delay: 0.05s; }
.rise-2 { animation-delay: 0.18s; }
.rise-3 { animation-delay: 0.31s; }
.rise-4 { animation-delay: 0.44s; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.2, 0, 0.2, 1) forwards;
}