/* ── RoSE — noir botanical ────────────────────────────── */

:root {
  --bg:          #0a0a0b;
  --bg-surface:  #111114;
  --fg:          #c8c5c0;
  --fg-dim:      #706d68;
  --fg-bright:   #e8e6e2;
  --rose:        #8b2242;
  --rose-bright: #c43a5c;
  --rose-glow:   #d4567430;
  --thorn:       #4a3a2a;
  --link:        #c43a5c;
  --link-hover:  #e05a7c;
  --code-bg:     #0f0f12;
  --border:      #1e1c1a;
  --max-width:   52rem;
}

/* ── Reset ───────────────────────────────────────────── */

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

/* ── Page ────────────────────────────────────────────── */

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Source Serif 4', 'Georgia', serif;
  font-size: 1.05rem;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Subtle noise texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.015;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: -1;
}

/* ── Background vine ─────────────────────────────────── */

.bg-vine {
  position: fixed;
  right: 2rem;
  top: 0;
  width: 40px;
  height: 100vh;
  pointer-events: none;
  opacity: 0.4;
  z-index: 0;
}

@media (max-width: 60rem) {
  .bg-vine { display: none; }
}

/* ── Container ───────────────────────────────────────── */

.container {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Navigation ──────────────────────────────────────── */

nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 1.5rem 0;
  margin-bottom: 3rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--fg-bright);
  font-family: 'IBM Plex Mono', 'Menlo', monospace;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-brand:hover {
  color: var(--rose-bright);
}

.rose-icon {
  width: 28px;
  height: 28px;
  transition: transform 0.4s ease;
}

.nav-brand:hover .rose-icon {
  transform: rotate(30deg);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--fg-dim);
  font-family: 'IBM Plex Mono', 'Menlo', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--rose);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--rose-bright);
}

.nav-links a:hover::after {
  width: 100%;
}

/* ── Hero ────────────────────────────────────────────── */

.hero {
  position: relative;
  text-align: center;
  padding: 4rem 0 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero-rose {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 360px;
  height: 360px;
  opacity: 0.35;
  animation: rose-spin 120s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes rose-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-title {
  font-family: 'Cormorant Garamond', 'Georgia', serif;
  font-size: 5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--fg-bright);
  position: relative;
  z-index: 1;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  text-shadow: 0 0 80px var(--rose-glow);
}

.hero-sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
  color: var(--fg-dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.hero-desc {
  font-family: 'Source Serif 4', serif;
  font-size: 1.15rem;
  color: var(--fg);
  max-width: 36rem;
  margin: 0 auto;
  font-style: italic;
  position: relative;
  z-index: 1;
}

/* ── Article / Content ───────────────────────────────── */

article {
  padding-bottom: 2rem;
}

a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--link-hover);
  border-bottom-color: var(--link-hover);
}

h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', 'Georgia', serif;
  color: var(--fg-bright);
  font-weight: 600;
}

h2 {
  font-size: 1.8rem;
  margin: 3rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}

/* Rose accent dot before h2 */
h2::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--rose);
  border-radius: 50%;
  margin-right: 0.75rem;
  vertical-align: middle;
  position: relative;
  top: -2px;
}

h3 {
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
  color: var(--fg);
}

h4 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}

h1:first-child, h2:first-child {
  margin-top: 0;
}

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.35rem;
}

li::marker {
  color: var(--rose);
}

strong {
  color: var(--fg-bright);
  font-weight: 600;
}

/* ── Code ────────────────────────────────────────────── */

code {
  font-family: 'IBM Plex Mono', 'Menlo', 'Consolas', monospace;
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  border: 1px solid var(--border);
}

pre {
  background: var(--code-bg);
  padding: 1.25rem 1.5rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--rose);
  overflow-x: auto;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

/* ── Tables ──────────────────────────────────────────── */

table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

th {
  background: var(--bg-surface);
  color: var(--fg-bright);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

th, td {
  border: 1px solid var(--border);
  padding: 0.6rem 0.8rem;
  text-align: left;
}

tr:hover td {
  background: var(--bg-surface);
}

/* ── Thorn line dividers ─────────────────────────────── */

.thorn-line {
  width: 100%;
  height: 12px;
  margin: 0.5rem 0;
}

.thorn-line svg {
  width: 100%;
  height: 12px;
}

.thorn-line--header {
  margin-bottom: 2.5rem;
}

/* ── Page article (spec, etc.) ───────────────────────── */

.page-title {
  font-family: 'Cormorant Garamond', 'Georgia', serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--fg-bright);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

/* ── Footer ──────────────────────────────────────────── */

footer {
  padding: 1.5rem 0 2rem;
  margin-top: 3rem;
  font-size: 0.85rem;
  color: var(--fg-dim);
  font-family: 'IBM Plex Mono', monospace;
}

footer a {
  color: var(--fg-dim);
}

footer a:hover {
  color: var(--rose-bright);
}

/* ── Responsive ──────────────────────────────────────── */

@media (max-width: 40rem) {
  .hero-title {
    font-size: 3rem;
    letter-spacing: 0.1em;
  }

  .hero-rose {
    width: 200px;
    height: 200px;
  }

  .hero {
    padding: 2.5rem 0 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .page-title {
    font-size: 2rem;
  }

  nav {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .nav-links {
    gap: 1.25rem;
  }
}

/* ── Selection ───────────────────────────────────────── */

::selection {
  background: var(--rose);
  color: var(--fg-bright);
}