@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Mono:wght@300;400;500&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --ink: #1a1a18;
  --paper: #f5f0e8;
  --warm-white: #faf7f2;
  --sage: #7a8c6e;
  --deep-sage: #4a5c40;
  --rust: #a84b2f;
  --gold: #b8922a;
  --pale-gold: #e8d9a0;
  --muted: #8a8478;
  --border: #d4cfc4;
  --accent-line: #4a5c40;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--warm-white);
  color: var(--ink);
  font-family: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
  font-size: 17px;
  line-height: 1.75;
  min-height: 100vh;
}

/* ── NOISE TEXTURE OVERLAY ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  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)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.5;
}

/* ── HEADER ── */
header {
  border-bottom: 1px solid var(--border);
  background: var(--warm-white);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.logo-we {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--deep-sage);
  letter-spacing: -0.02em;
  line-height: 1;
}

.logo-rest {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

nav a {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

nav a:hover { color: var(--deep-sage); }

.nav-cta {
  background: var(--deep-sage);
  color: var(--warm-white) !important;
  padding: 0.45rem 1rem;
  border-radius: 2px;
}

.nav-cta:hover { background: var(--ink); color: var(--warm-white) !important; }

/* ── HERO ── */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: center;
  min-height: 80vh;
}

.hero-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-label::before {
  content: '';
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--sage);
}

.hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--deep-sage);
}

.hero-subtitle {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 2rem;
  border-left: 2px solid var(--rust);
  padding-left: 0.75rem;
}

.hero-desc {
  font-size: 1.05rem;
  color: #4a4640;
  line-height: 1.85;
  max-width: 480px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn-primary {
  background: var(--deep-sage);
  color: var(--warm-white);
  padding: 0.75rem 1.75rem;
  text-decoration: none;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--ink); }

.btn-secondary {
  color: var(--muted);
  text-decoration: none;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.btn-secondary:hover { color: var(--ink); border-color: var(--ink); }

/* ── HERO VISUAL ── */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: visible;
}

.we-diagram {
  width: 100%;
  max-width: 560px;
  aspect-ratio: 1;
  flex-shrink: 0;
}

.we-diagram svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ── MARQUEE ── */
.marquee-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--paper);
  overflow: hidden;
  padding: 0.6rem 0;
}

.marquee-track {
  display: flex;
  gap: 3rem;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}

.marquee-track span {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  flex-shrink: 0;
}

.marquee-track span.dot {
  color: var(--sage);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── SECTION ── */
section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::after {
  content: '';
  display: block;
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── FEATURED POST ── */
.featured-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2px;
  background: var(--border);
}

.featured-main {
  background: var(--warm-white);
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.featured-main::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--deep-sage), var(--sage));
}

.featured-side {
  background: var(--warm-white);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-post {
  background: var(--warm-white);
  padding: 2rem;
  flex: 1;
  border-left: none;
  position: relative;
  transition: background 0.2s;
}

.side-post:hover { background: var(--paper); }

.post-category {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 0.75rem;
}

.post-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 1rem;
  text-decoration: none;
  display: block;
}

.post-title:hover { color: var(--deep-sage); }

.side-post .post-title {
  font-size: 1.1rem;
}

.post-excerpt {
  color: #5a5650;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.post-meta {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  display: flex;
  gap: 1.5rem;
}

.read-more {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--deep-sage);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.read-more::after { content: '→'; transition: transform 0.2s; }
.read-more:hover::after { transform: translateX(4px); }

/* ── TOPIC GRID ── */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.topic-card {
  border: 1px solid var(--border);
  padding: 2rem;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}

.topic-card:hover {
  border-color: var(--deep-sage);
  transform: translateY(-2px);
}

.topic-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 300;
  color: var(--pale-gold);
  line-height: 1;
  margin-bottom: 1rem;
}

.topic-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.topic-desc {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  color: var(--muted);
  line-height: 1.6;
}

/* ── PARADIGM BLOCK ── */
.paradigm-block {
  background: var(--ink);
  color: var(--warm-white);
  padding: 5rem 2rem;
}

.paradigm-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.paradigm-block .section-label {
  color: var(--sage);
}

.paradigm-block .section-label::after {
  background: #3a3a38;
}

.paradigm-quote {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.9rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  color: var(--pale-gold);
  margin-bottom: 1.5rem;
}

.paradigm-attribution {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.equation-display {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.eq-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid #3a3a38;
}

.eq-row.active {
  border-color: var(--sage);
  background: rgba(74, 92, 64, 0.1);
}

.eq-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  width: 60px;
  flex-shrink: 0;
}

.eq-value {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--warm-white);
}

.eq-row.active .eq-value { color: var(--pale-gold); }

.eq-desc {
  font-size: 0.8rem;
  color: #8a8888;
  font-family: 'Libre Baskerville', serif;
  font-style: italic;
}

/* ── NEWSLETTER ── */
.newsletter-section {
  background: var(--paper);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4rem 2rem;
  text-align: center;
}

.newsletter-inner { max-width: 540px; margin: 0 auto; }

.newsletter-section h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.2rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.newsletter-section p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.newsletter-form {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  overflow: hidden;
}

.newsletter-form input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border: none;
  background: var(--warm-white);
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink);
  outline: none;
}

.newsletter-form button {
  background: var(--deep-sage);
  color: var(--warm-white);
  border: none;
  padding: 0.85rem 1.5rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

.newsletter-form button:hover { background: var(--ink); }

/* ── FOOTER ── */
footer {
  background: var(--ink);
  color: #8a8888;
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand .logo-we { font-size: 2rem; display: block; margin-bottom: 0.5rem; color: var(--pale-gold); }

.footer-brand p {
  font-size: 0.8rem;
  line-height: 1.7;
  margin-top: 0.75rem;
  max-width: 280px;
  color: #6a6868;
}

.footer-col h4 {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 1.25rem;
}

.footer-col a {
  display: block;
  font-size: 0.82rem;
  color: #6a6868;
  text-decoration: none;
  margin-bottom: 0.6rem;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--warm-white); }

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid #2a2a28;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: #4a4a48;
}

/* ── BLOG PAGE ── */
.page-hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.page-hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.filter-bar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  background: none;
  color: var(--muted);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
}

.filter-btn.active, .filter-btn:hover {
  background: var(--deep-sage);
  color: var(--warm-white);
  border-color: var(--deep-sage);
}

.posts-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.post-card {
  border: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}

.post-card:hover {
  border-color: var(--deep-sage);
  transform: translateY(-2px);
}

.post-card .post-title { font-size: 1.25rem; flex: 1; }
.post-card .post-excerpt { font-size: 0.88rem; }

/* ── ABOUT PAGE ── */
.about-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 5rem;
}

.about-content h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 2rem;
}

.about-content h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 400;
  margin: 2.5rem 0 1rem;
  color: var(--deep-sage);
}

.about-content p {
  color: #4a4640;
  line-height: 1.85;
  margin-bottom: 1.25rem;
}

.about-sidebar {
  padding-top: 0.5rem;
}

.sidebar-block {
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-block h3 {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 1rem;
}

.sidebar-block p, .sidebar-block li {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
}

.sidebar-block ul { list-style: none; }
.sidebar-block li { padding: 0.35rem 0; border-bottom: 1px solid var(--border); }
.sidebar-block li:last-child { border-bottom: none; }

/* ── SINGLE POST ── */
.post-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 5rem;
}

.post-body h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.8rem;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.post-body .post-meta { margin-bottom: 2.5rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border); }

.post-body p { color: #3a3830; line-height: 1.9; margin-bottom: 1.5rem; }

.post-body h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.75rem;
  font-weight: 400;
  margin: 3rem 0 1rem;
  color: var(--deep-sage);
}

.post-body blockquote {
  border-left: 3px solid var(--sage);
  padding: 0.5rem 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--muted);
  background: var(--paper);
}

.post-sidebar { padding-top: 0.25rem; }

/* ── ANIMATIONS ── */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.7s ease forwards;
}

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

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-visual { display: none; }
  .featured-grid { grid-template-columns: 1fr; }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .paradigm-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .about-layout { grid-template-columns: 1fr; }
  .post-layout { grid-template-columns: 1fr; }
  nav { gap: 1rem; }
}

@media (max-width: 600px) {
  .topics-grid { grid-template-columns: 1fr; }
  .posts-grid { grid-template-columns: 1fr; }
  .hero { padding: 3rem 1.5rem; }
  section { padding: 3rem 1.5rem; }
}