/* ==========================================================================
   Domus Duorum Media — Illuminated Scriptorium & Cloister Night Stylesheet
   Palette & Typography harmonized with Kairos Antiphonale (LiturgicalTheme)
   ========================================================================== */

@font-face {
  font-family: 'EB Garamond';
  src: url('assets/fonts/EBGaramond-Regular.ttf') format('truetype');
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'EB Garamond';
  src: url('assets/fonts/EBGaramond-Italic.ttf') format('truetype');
  font-weight: 400 800;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('assets/fonts/PlusJakartaSans-Regular.ttf') format('truetype');
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('assets/fonts/PlusJakartaSans-Italic.ttf') format('truetype');
  font-weight: 400 800;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Warm Monastic Parchment (Dies / Day Mode) */
  --bg: #FBF7EE;
  --bg-vignette: #F2EBD9;
  --card: #F4EFE2;
  --card-elevated: #F8F4E9;
  --surface-alt: #EDE5D3;
  --ink: #1C1A17;
  --ink-muted: #5A534A;
  --rubric: #9E2A2B;
  --rubric-soft: rgba(158, 42, 43, 0.10);
  --gold: #B8860B;
  --gold-soft: rgba(184, 134, 11, 0.22);
  --gold-border: rgba(184, 134, 11, 0.48);
  --slate: #4A5D5E;
  --hairline: rgba(28, 26, 23, 0.12);
  --hairline-strong: rgba(28, 26, 23, 0.20);
  --shadow: 0 12px 36px rgba(28, 22, 14, 0.06);

  --font-serif: 'EB Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0D0D0F;
    --bg-vignette: #070709;
    --card: #17171B;
    --card-elevated: #1C1C22;
    --surface-alt: #222228;
    --ink: #E6D7B8;
    --ink-muted: #A89C84;
    --rubric: #D9534F;
    --rubric-soft: rgba(217, 83, 79, 0.13);
    --gold: #D4AF37;
    --gold-soft: rgba(212, 175, 55, 0.18);
    --gold-border: rgba(212, 175, 55, 0.42);
    --slate: #7D9482;
    --hairline: rgba(230, 215, 184, 0.12);
    --hairline-strong: rgba(230, 215, 184, 0.22);
    --shadow: 0 16px 44px rgba(0, 0, 0, 0.45);
  }
}

:root[data-theme="dark"] {
  --bg: #0D0D0F;
  --bg-vignette: #070709;
  --card: #17171B;
  --card-elevated: #1C1C22;
  --surface-alt: #222228;
  --ink: #E6D7B8;
  --ink-muted: #A89C84;
  --rubric: #D9534F;
  --rubric-soft: rgba(217, 83, 79, 0.13);
  --gold: #D4AF37;
  --gold-soft: rgba(212, 175, 55, 0.18);
  --gold-border: rgba(212, 175, 55, 0.42);
  --slate: #7D9482;
  --hairline: rgba(230, 215, 184, 0.12);
  --hairline-strong: rgba(230, 215, 184, 0.22);
  --shadow: 0 16px 44px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image: radial-gradient(ellipse at 50% 0%, var(--bg) 0%, var(--bg-vignette) 100%);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.62;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Top Rubric & Gold Printer's Rule */
.top-rule {
  height: 3px;
  background: linear-gradient(90deg, var(--rubric) 0%, var(--gold) 50%, var(--rubric) 100%);
}

/* Layout Shell */
.page-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* Header & Navigation */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--hairline);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-link:hover .brand-name {
  color: var(--rubric);
}

.brand-mark-sm {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 0.18s ease;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  flex-wrap: wrap;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.18s ease;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--rubric);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.36rem 0.72rem;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  background: var(--card);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.theme-toggle:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.theme-toggle:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* Hero / Scriptorium Imprint */
.hero {
  text-align: center;
  padding: 4rem 0 3.2rem;
  max-width: 740px;
  margin: 0 auto;
}

.heraldic-seal {
  width: 92px;
  height: 92px;
  margin: 0 auto 1.35rem;
  display: block;
}

.rubric-overline {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rubric);
  margin: 0 0 0.75rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.6vw, 3.25rem);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0 0 1.15rem;
  color: var(--ink);
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.22rem;
  color: var(--ink-muted);
  margin: -0.5rem 0 1.4rem;
}

.hero-lead {
  font-size: 1.14rem;
  line-height: 1.68;
  color: var(--ink);
  margin: 0 auto;
  max-width: 660px;
}

/* Ornamental Section Divider */
.ornament-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  margin: 0.5rem auto 3rem;
  max-width: 440px;
  color: var(--gold);
  font-size: 0.95rem;
  user-select: none;
}

.ornament-divider::before,
.ornament-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-border), transparent);
}

/* Three Contemplative Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.6rem;
}

.pillar-card {
  padding: 1.35rem 1.4rem;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-top: 2px solid var(--gold-border);
  border-radius: 10px;
}

.pillar-numeral {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.12em;
  color: var(--rubric);
  display: block;
  margin-bottom: 0.35rem;
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 700;
  margin: 0 0 0.45rem;
  color: var(--ink);
}

.pillar-text {
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--ink-muted);
  margin: 0;
}

/* Featured Work — Illuminated Folio Card (Kairos Antiphonale) */
.folio-card {
  position: relative;
  background: var(--card);
  border: 1.5px solid var(--gold-border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 3.5rem;
}

.folio-card::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  pointer-events: none;
}

.folio-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
  gap: 2.4rem;
  align-items: center;
}

.rubric-pill {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  background: var(--rubric-soft);
  color: var(--rubric);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.product-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3.2vw, 2.45rem);
  font-weight: 700;
  line-height: 1.18;
  margin: 0 0 0.3rem;
  color: var(--ink);
}

.product-latin-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-muted);
  margin: 0 0 1.15rem;
}

.product-description {
  font-size: 1.04rem;
  line-height: 1.62;
  color: var(--ink);
  margin: 0 0 1.25rem;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1.55rem;
}

.feature-tags li {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--ink-muted);
  background: var(--surface-alt);
  border: 1px solid var(--hairline);
  padding: 0.28rem 0.68rem;
  border-radius: 999px;
}

/* Platform Badges */
.platforms-block {
  border-top: 1px solid var(--hairline);
  padding-top: 1.15rem;
}

.platforms-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.65rem;
}

.platform-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.46rem 0.9rem;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--card-elevated);
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
}

.platform-badge svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.platform-badge--active {
  border-color: var(--gold-border);
}

.platform-badge--active .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.platform-badge--future {
  background: transparent;
  border-style: dashed;
  border-color: var(--hairline-strong);
  color: var(--ink-muted);
}

.future-tag {
  font-size: 0.7rem;
  font-weight: 500;
  opacity: 0.85;
  padding-left: 0.25rem;
  border-left: 1px solid var(--hairline-strong);
}

/* Right Column Medallion: Solar Horologium & 4-Line Gregorian Staff */
.horologium-panel {
  background: var(--card-elevated);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 1.4rem 1.25rem 1.2rem;
  text-align: center;
}

.horologium-svg {
  width: 100%;
  max-width: 240px;
  height: auto;
  display: block;
  margin: 0 auto 1rem;
}

.staff-specimen {
  border-top: 1px solid var(--hairline);
  padding-top: 0.9rem;
}

.staff-svg {
  width: 100%;
  max-width: 250px;
  height: auto;
  display: block;
  margin: 0 auto 0.35rem;
}

.staff-caption {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin: 0;
}

/* Contact / Hearth Card */
.contact-section {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.2rem;
  padding: 2.1rem 1.75rem;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 14px;
}

.contact-heading {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.contact-copy {
  font-size: 1.02rem;
  color: var(--ink-muted);
  margin: 0 0 1.25rem;
}

.contact-actions {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
}

.email-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 1.15rem;
  border-radius: 9px;
  background: var(--rubric);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: opacity 0.18s ease, transform 0.15s ease;
}

:root[data-theme="dark"] .email-pill {
  color: #0D0D0F;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .email-pill {
    color: #0D0D0F;
  }
}

.email-pill:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.9rem;
  border-radius: 9px;
  border: 1px solid var(--hairline-strong);
  background: var(--card-elevated);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.copy-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Legal / Privacy Prose View */
.prose-container {
  max-width: 720px;
  margin: 2.8rem auto 3.5rem;
}

.prose-card {
  background: var(--card);
  border: 1px solid var(--hairline-strong);
  border-top: 3px solid var(--gold);
  border-radius: 14px;
  padding: 2.4rem 2.5rem;
  box-shadow: var(--shadow);
}

.prose-card h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3.6vw, 2.5rem);
  margin: 0 0 0.35rem;
  line-height: 1.2;
}

.prose-meta {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin: 0 0 1.6rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--hairline);
}

.prose-summary {
  background: var(--surface-alt);
  border-left: 3px solid var(--rubric);
  padding: 0.9rem 1.15rem;
  border-radius: 0 8px 8px 0;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 1.8rem;
}

.prose-card h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  margin: 1.75rem 0 0.5rem;
}

.prose-card p,
.prose-card li {
  font-size: 1.02rem;
  line-height: 1.64;
  color: var(--ink);
}

.prose-card ul {
  padding-left: 1.25rem;
}

.prose-card a {
  color: var(--rubric);
  text-underline-offset: 3px;
}

/* Footer Colophon */
.site-footer {
  text-align: center;
  padding-top: 1.8rem;
  border-top: 1px solid var(--hairline);
  color: var(--ink-muted);
}

.footer-cross {
  color: var(--rubric);
  font-size: 1rem;
  margin-bottom: 0.45rem;
}

.footer-meta {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  line-height: 1.7;
  margin: 0;
}

.footer-meta a {
  color: var(--ink-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-meta a:hover {
  color: var(--rubric);
}

/* Responsive Breakpoints */
@media (max-width: 820px) {
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .folio-grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .folio-card {
    padding: 1.65rem 1.35rem;
  }

  .prose-card {
    padding: 1.65rem 1.35rem;
  }
}

@media (max-width: 560px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .header-nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding: 2.6rem 0 2.2rem;
  }
}

@media print {
  .theme-toggle,
  .copy-btn {
    display: none !important;
  }
  body {
    background: #FFFFFF;
    color: #000000;
  }
}