/*
Theme Name: ZHUPANICH
Theme URI: https://zhupanich.com
Author: Matija Zhupanich
Author URI: https://zhupanich.com
Description: Standalone, modern custom WordPress spatial theme for visual archives, design systems, photography, and essays.
Version: 1.6.1
Text Domain: zhupanich
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/

/* ==========================================================================
   THEME SETUP & DESIGN TOKENS
   Base font-size: 16px (1rem = 16px)
   Grid scale: 8pt grid with 0.25rem (4px) sub-grid increments
   ========================================================================== */

:root {
  /* --- COLOR PALETTE & SURFACES (DARK DEFAULT) --- */
  --bg: #0e0e10;
  --card-bg: #161619;
  --card-dim: rgba(0, 0, 0, 0.55);
  --text: #ecece9;
  --heading: #ffffff;
  --heading-hover: #cfcfd4;
  --prose-text: #d1d1d6;
  --subtext: #8e8e8b;
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.25);
  --accent: #FF5500;
  --radius: 0;

  /* --- SEMANTIC THEME-ADAPTIVE TOKENS --- */
  --invert-bg: #ffffff;
  --invert-text: #0c0c0d;
  --nav-scrolled-bg: rgba(14, 14, 16, 0.88);
  --surface-subtle: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --surface-active: rgba(255, 255, 255, 0.12);
  --post-nav-hover-bg: #19191c;
  --dim-hover-opacity: 0.55;

  /* --- PINNED / STICKY TOKENS --- */
  --sticky-border: rgba(255, 255, 255, 0.35);
  --sticky-border-hover: rgba(255, 255, 255, 0.6);

  /* --- MODAL SPECIFIC TOKENS --- */
  --stats-bg: #111113;
  --code-bg: #09090b;
  --code-text: #34d399;
  --inline-code-bg: rgba(255, 255, 255, 0.06);
  --cd-fill: #1f1f23;
  --cd-stroke: rgba(255, 255, 255, 0.08);
  --cd-text: #ecece9;

  /* --- SPACING DESIGN TOKENS (8pt/4pt Scale in 0.25rem Increments) --- */
  --space-3xs: 0.125rem;  /*  2px */
  --space-2xs: 0.25rem;   /*  4px */
  --space-xs:  0.375rem;  /*  6px */
  --space-sm:  0.5rem;    /*  8px */
  --space-md:  0.75rem;   /* 12px */
  --space-base: 1rem;     /* 16px */
  --space-lg:  1.25rem;   /* 20px */
  --space-xl:  1.5rem;    /* 24px */
  --space-2xl: 1.75rem;   /* 28px */
  --space-3xl: 2rem;      /* 32px */
  --space-4xl: 2.25rem;   /* 36px */
  --space-5xl: 2.5rem;    /* 40px */
  --space-6xl: 3rem;      /* 48px */
  --space-7xl: 3.5rem;    /* 56px */
  --space-8xl: 4rem;      /* 64px */
  --space-9xl: 4.5rem;    /* 72px */
  --space-10xl: 5rem;     /* 80px */
  --space-12xl: 6rem;     /* 96px */
  --space-15xl: 7.5rem;   /* 120px */
  --space-header-offset: 8.75rem; /* 140px */

  /* --- TYPOGRAPHY SCALE (rem Modular Scale) --- */
  --font-3xs:  0.5625rem; /*  9px */
  --font-2xs:  0.625rem;  /* 10px */
  --font-xs:   0.6875rem; /* 11px */
  --font-sm:   0.75rem;   /* 12px */
  --font-md:   0.875rem;   /* 14px */
  --font-base: 1rem;      /* 16px */
  --font-lg:   1.125rem;  /* 18px */
  --font-xl:   1.625rem;  /* 26px */
  --font-2xl:  1.75rem;   /* 28px */
  --font-3xl:  2.25rem;   /* 36px */
  --font-4xl:  2.5rem;    /* 40px */

  /* --- FLUID TYPOGRAPHY TOKENS --- */
  --font-fluid-nav: clamp(1.375rem, 2.2vw, 2rem);
  --font-fluid-single: clamp(2.25rem, 5vw, 4.25rem);
  --font-fluid-hero: clamp(2.375rem, 6vw, 5.25rem);

  /* --- STRUCTURAL LAYOUT & SIZING TOKENS --- */
  --container-max: 112.5rem;       /* 1800px */
  --content-max-wide: 81.25rem;    /* 1300px */
  --content-max-prose: 56.25rem;   /* 900px  */
  --content-max-narrow: 45rem;     /* 720px  */
  --author-modal-width: 35rem;     /* 560px  */
  --author-photo-size: 10rem;      /* 160px  */
  --author-photo-size-sm: 8.75rem; /* 140px  */
  --cd-disc-size: 18.125rem;       /* 290px  */
  --spec-grid-min: 13.75rem;       /* 220px  */
}

/* ==========================================================================
   INVERTED LIGHT THEME TOKEN OVERRIDES
   ========================================================================== */

html.light-theme,
body.light-theme {
  --bg: #f5f5f3;
  --card-bg: #ffffff;
  --card-dim: rgba(255, 255, 255, 0.7);
  --text: #0e0e10;
  --heading: #0e0e10;
  --heading-hover: #52524f;
  --prose-text: #242422;
  --subtext: #6f6f6b;
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.28);
  --accent: #FF5500;

  --invert-bg: #0e0e10;
  --invert-text: #ffffff;
  --nav-scrolled-bg: rgba(245, 245, 243, 0.9);
  --surface-subtle: rgba(0, 0, 0, 0.03);
  --surface-hover: rgba(0, 0, 0, 0.06);
  --surface-active: rgba(0, 0, 0, 0.08);
  --post-nav-hover-bg: #ecece8;
  --dim-hover-opacity: 0.12;

  --sticky-border: rgba(0, 0, 0, 0.28);
  --sticky-border-hover: rgba(0, 0, 0, 0.6);

  --stats-bg: #ffffff;
  --code-bg: #ebebe7;
  --code-text: #047857;
  --inline-code-bg: rgba(0, 0, 0, 0.06);
  --cd-fill: #1a1a1d;
  --cd-stroke: rgba(0, 0, 0, 0.2);
  --cd-text: #f5f5f2;
}

/* ==========================================================================
   BASE RESET & GLOBAL ELEMENTS
   ========================================================================== */

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Xanh Mono', monospace;
  font-weight: 400;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding: var(--space-header-offset) 0 0 0;
  overflow-x: hidden;
  min-height: 100vh;
}

body,
.top-nav,
.artifact,
.single-media-stage,
.post-nav-link,
.single-spec-grid,
.author-widget,
.author-toggle-label,
.footer-email-label,
.author-panel,
.modal-stats,
.modal-code,
.nav-collapse-toggle,
.top-back-link,
.photo-tag,
.cursor-label {
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

.article-date {
  font-size: var(--font-2xs);
  font-family: monospace;
  color: var(--subtext);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.container-aligned {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* ==========================================================================
   TOP HEADER NAVIGATION
   ========================================================================== */

.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  padding: var(--space-4xl) 0;
  pointer-events: none;
  transition: padding 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease, border-color 0.3s ease;
}

.top-nav.is-scrolled {
  padding: var(--space-base) 0;
  background: var(--nav-scrolled-bg);
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
  border-bottom: 1px solid var(--border);
}

.top-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.top-nav-inner > *,
.brand-group > * {
  pointer-events: auto;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex: 1;
}

.theme-toggle {
  display: inline-block;
  width: var(--space-md);
  height: var(--space-md);
  aspect-ratio: 1 / 1;
  background-color: var(--invert-bg);
  border: 1px solid var(--invert-bg);
  cursor: pointer;
  order: 0;
  padding: 0;
  margin: 0 calc(var(--space-xs) * -1) 0 0;
  border-radius: 0;
  flex-shrink: 0;
  outline: none;
  line-height: 0;
  vertical-align: middle;
  transition: background-color 0.25s ease, border-color 0.25s ease, opacity 0.2s ease, transform 0.15s ease;
}

.theme-toggle:hover { opacity: 0.72; }
.theme-toggle:active { transform: scale(0.92); }
.theme-toggle:focus-visible {
  outline: 1px dashed var(--text);
  outline-offset: 3px;
}

.brand-mark {
  font-size: var(--font-base);
  font-weight: 600;
  font-family: monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
  transition: opacity 0.2s ease;
  order: 1;
}

.brand-mark:hover { opacity: 0.8; }

.top-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--subtext);
  font-family: monospace;
  font-size: var(--font-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-sm) var(--space-base);
  border-radius: var(--radius);
  white-space: nowrap;
  transition: all 0.2s ease;
  order: 2;
}

.top-back-link:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--surface-hover);
}

.nav-controller {
  margin-left: auto;
  position: relative;
  display: flex;
  align-items: center;
  order: 3;
}

.nav-collapse-toggle {
  display: none;
  align-items: center;
  gap: var(--space-sm);
  background: var(--card-bg);
  border: 1px solid var(--border-hover);
  color: var(--text);
  font-family: monospace;
  font-size: var(--font-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-sm) var(--space-base);
  cursor: pointer;
  border-radius: var(--radius);
  white-space: nowrap;
}

.nav-collapse-toggle:hover,
.nav-controller.is-open .nav-collapse-toggle {
  background: var(--invert-bg);
  color: var(--invert-text);
  border-color: var(--invert-bg);
}

.nav-current-filter {
  color: var(--subtext);
  font-weight: 400;
  transition: color 0.2s ease;
}

.nav-collapse-toggle:hover .nav-current-filter,
.nav-controller.is-open .nav-collapse-toggle .nav-current-filter {
  color: var(--invert-text);
}

.nav-collapse-arrow {
  display: inline-block;
  font-size: var(--font-md);
  line-height: 1;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-controller.is-open .nav-collapse-arrow {
  transform: rotate(45deg);
}

.menu-filters {
  display: flex;
  gap: var(--space-sm);
}

.menu-filters button {
  background: none;
  border: none;
  padding: var(--space-sm) var(--space-base);
  font-size: var(--font-md);
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius);
  color: var(--subtext);
  transition: all 0.2s ease;
}

.menu-filters button.active,
.menu-filters button:hover {
  color: var(--text);
  background: var(--surface-hover);
}

/* --- VIEW AS SORT CONTROLLER --- */
.feed-view-control-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: calc(var(--space-6xl) * -1);
  margin-bottom: var(--space-6xl);
  position: relative;
  z-index: 10;
}

.feed-view-control-inner {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-sm);
  font-family: monospace;
  font-size: var(--font-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.view-as-label {
  color: var(--subtext);
  user-select: none;
}

.view-as-btn {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  color: var(--subtext);
  font-family: monospace;
  font-size: var(--font-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.view-as-btn:hover { color: var(--text); }

.view-as-btn.is-active {
  color: var(--heading);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.view-as-sep {
  color: var(--subtext);
  opacity: 0.4;
  user-select: none;
}

/* Scrolled Nav State */
.top-nav.is-scrolled .brand-group {
  gap: var(--space-base);
  flex: none;
}

.top-nav.is-scrolled .theme-toggle { order: 0; margin-right: 0; }
.top-nav.is-scrolled .brand-mark { order: 1; }
.top-nav.is-scrolled .nav-controller { order: 2; margin-left: 0; }
.top-nav.is-scrolled .top-back-link { order: 3; }
.top-nav.is-scrolled .nav-collapse-toggle { display: inline-flex; }
.top-nav.is-scrolled .menu-filters { display: none; }

.top-nav.is-scrolled .nav-controller.is-open .menu-filters {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: calc(100% + var(--space-sm));
  left: 0;
  background: var(--card-bg);
  border: 1px solid var(--border-hover);
  padding: var(--space-sm);
  gap: var(--space-2xs);
  min-width: 11.25rem;
  z-index: 1002;
  animation: navDropdownFade 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes navDropdownFade {
  from { opacity: 0; transform: translateY(calc(var(--space-xs) * -1)); }
  to   { opacity: 1; transform: translateY(0); }
}

.top-nav.is-scrolled .nav-controller.is-open .menu-filters button {
  text-align: left;
  width: 100%;
  padding: var(--space-sm) var(--space-base);
  font-size: var(--font-md);
  font-family: monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.top-nav.is-scrolled .nav-controller.is-open .menu-filters button.active {
  background: var(--surface-active);
  color: var(--heading);
  font-weight: 600;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  flex-direction: column;
  gap: var(--space-2xs);
  justify-content: center;
  align-items: center;
}

.mobile-menu-toggle span {
  display: block;
  width: var(--space-lg);
  height: 2px;
  background-color: var(--text);
  transition: all 0.3s ease;
}

/* ==========================================================================
   CUSTOM INTERACTIVE CURSOR
   ========================================================================== */

.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease;
  will-change: transform;
}

.cursor-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-xs);
  font-weight: 500;
  font-family: monospace;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--invert-text);
  background: var(--invert-bg);
  padding: var(--space-2xs) var(--space-md);
  border-radius: var(--radius);
  white-space: nowrap;
}

.cursor-expand-icon {
  width: var(--space-md);
  height: var(--space-md);
  stroke: var(--invert-text);
  flex-shrink: 0;
}

.artifact.interactive {
  cursor: none !important;
}

/* ==========================================================================
   FEED VIEW TOGGLING & CATEGORY SECTIONS
   ========================================================================== */

.feed-view-flow { display: block; }
.feed-view-categories { display: none; }

html.view-categories-active .feed-view-flow,
body.view-categories-active .feed-view-flow,
html.view-categories-active .canvas-pagination,
body.view-categories-active .canvas-pagination {
  display: none !important;
}

html.view-categories-active .feed-view-categories,
body.view-categories-active .feed-view-categories {
  display: block !important;
}

.category-feed-section {
  margin-bottom: var(--space-10xl);
  position: relative;
}

.category-feed-section:last-child {
  margin-bottom: var(--space-6xl);
}

.category-section-header {
  margin-bottom: var(--space-5xl);
}

.category-section-meta {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.category-section-num {
  font-family: monospace;
  font-size: var(--font-xs);
  font-weight: 500;
  color: var(--subtext);
  letter-spacing: 0.1em;
}

.category-section-title {
  font-family: monospace;
  font-size: var(--font-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--heading);
  margin: 0;
  line-height: 1.1;
}

.category-section-sub {
  font-family: monospace;
  font-size: var(--font-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--subtext);
  border: 1px solid var(--border);
  padding: var(--space-3xs) var(--space-sm);
  border-radius: var(--radius);
  background: var(--surface-subtle);
}

.category-section-count {
  font-family: monospace;
  font-size: var(--font-xs);
  color: var(--subtext);
  letter-spacing: 0.08em;
  margin-left: auto;
}

.category-section-line {
  width: 100%;
  height: 1px;
  background-color: var(--border);
}

.category-title-link {
  color: inherit;
  transition: opacity 0.2s ease;
}

.category-title-link:hover { opacity: 0.72; }

.category-section-header-right {
  margin-left: auto;
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-md);
}

.category-section-header-right .category-section-count {
  margin-left: 0;
}

.category-section-header-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: monospace;
  font-size: var(--font-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--subtext);
  transition: color 0.2s ease, transform 0.2s ease;
}

.category-section-header-link:hover {
  color: var(--text);
  transform: translateX(2px);
}

.category-section-more {
  margin-top: var(--space-6xl);
  display: flex;
  justify-content: flex-end;
}

.category-more-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-xl);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: monospace;
  font-size: var(--font-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 0.25s ease, background-color 0.25s ease, transform 0.2s ease;
}

.category-more-link:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-1px);
}

.category-more-badge {
  font-size: var(--font-2xs);
  color: var(--subtext);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3xs) var(--space-xs);
  background: var(--surface-subtle);
}

.category-page-container {
  margin-bottom: var(--space-10xl);
}

.category-page-header {
  margin-bottom: var(--space-7xl);
  padding-bottom: var(--space-base);
}

.category-page-title {
  font-family: monospace;
  font-size: var(--font-3xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--heading);
  margin: 0;
  line-height: 1.1;
}

.category-page-description {
  font-family: monospace;
  font-size: var(--font-xs);
  color: var(--subtext);
  letter-spacing: 0.04em;
  line-height: 1.6;
  max-width: var(--content-max-narrow);
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

body.category .canvas-pagination,
body.archive .canvas-pagination,
.category-page-container .canvas-pagination {
  display: flex !important;
  margin-top: var(--space-9xl);
}

/* ==========================================================================
   CANVAS GRID & ARTIFACT CARDS
   ========================================================================== */

.canvas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: auto;
  gap: var(--space-7xl);
  align-items: start;
}

.artifact {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateY(var(--shift, 0));
  will-change: transform;
}

.artifact .dim-overlay {
  position: absolute;
  inset: 0;
  background: #000000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.artifact.interactive:hover .dim-overlay {
  opacity: var(--dim-hover-opacity);
}

.artifact.interactive:hover {
  border-color: var(--border-hover);
}

/* Pinned Sticky Post Styling */
.artifact.is-sticky,
.modal-writing.is-sticky,
.modal-writing.wide.is-sticky {
  border: 1px solid var(--sticky-border) !important;
  overflow: visible !important;
}

.artifact.is-sticky:not(.modal-photo):not(.modal-link):not(.modal-note):not(.modal-code):not(.modal-stats),
.modal-writing.is-sticky,
.modal-writing.wide.is-sticky {
  background: var(--card-bg) !important;
}

.modal-writing.is-sticky {
  padding: var(--space-4xl) var(--space-3xl) !important;
  min-height: 23.75rem;
}

.modal-writing.is-sticky .dim-overlay {
  display: block;
}

.modal-writing.wide.is-sticky {
  padding: 2.75rem var(--space-5xl) !important;
  min-height: 22.5rem;
}

.pinned-badge-above {
  background: var(--card-bg);
  color: var(--heading);
  font-family: monospace;
  font-size: var(--font-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-xs) var(--space-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  width: fit-content;
  position: absolute;
  bottom: 100%;
  left: -1px;
  border: 1px solid var(--sticky-border);
  border-bottom: 1px solid var(--card-bg);
  z-index: 5;
}

.pinned-badge-above svg {
  width: var(--space-md);
  height: var(--space-md);
  stroke: var(--heading);
}

.artifact.interactive.is-sticky:hover,
.modal-writing.is-sticky.interactive:hover,
.modal-writing.wide.is-sticky.interactive:hover {
  border-color: var(--sticky-border-hover) !important;
}

.artifact.interactive.is-sticky:hover .pinned-badge-above,
.modal-writing.is-sticky.interactive:hover .pinned-badge-above,
.modal-writing.wide.is-sticky.interactive:hover .pinned-badge-above {
  border-color: var(--sticky-border-hover);
  border-bottom-color: var(--card-bg);
}

/* ==========================================================================
   CLASSIC HERO & ABOUT THE AUTHOR WIDGET
   ========================================================================== */

.classic-hero {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  margin-bottom: var(--space-15xl);
  padding-bottom: var(--space-3xl);
  position: relative;
}

.hero-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-xs);
  font-family: monospace;
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xl);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.classic-hero h1 {
  font-size: var(--font-fluid-hero);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--heading);
  margin-bottom: 0;
}

.hero-subhead {
  font-size: var(--font-lg);
  line-height: 1.6;
  color: var(--subtext);
  max-width: var(--content-max-narrow);
  margin-bottom: var(--space-3xl);
}

.hero-main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3xl);
  position: relative;
  z-index: 10;
}

.hero-canvas-stage {
  position: absolute;
  top: calc(var(--space-header-offset) * -1);
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: calc(100% + var(--space-header-offset));
  background: transparent;
  border: none;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

#heroSpatialCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
}

.author-widget {
  position: relative;
  display: block;
  width: fit-content;
  max-width: 100%;
  flex-shrink: 0;
  z-index: 50;
  background: transparent;
  border-radius: var(--radius);
  overflow: visible;
  transform-origin: top left;
}

.author-widget.is-open {
  background: var(--card-bg);
  border: 1px solid var(--border-hover);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}

html.light-theme .author-widget.is-open,
body.light-theme .author-widget.is-open {
  box-shadow: 0 24px 64px rgba(14, 14, 16, 0.14);
}

.author-toggle {
  display: inline-flex;
  align-items: stretch;
  gap: var(--space-2xs);
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  outline: none;
}

.author-toggle:focus-visible {
  outline: 1px dashed var(--accent);
  outline-offset: 3px;
}

.author-toggle-label {
  display: inline-flex;
  align-items: center;
  height: 2.75rem;
  padding: 0 var(--space-base);
  background: var(--card-bg);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  color: var(--text);
  font-family: monospace;
  font-size: var(--font-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.author-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  aspect-ratio: 1 / 1;
  background-color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: #ffffff;
  font-family: monospace;
  font-size: var(--font-base);
  font-weight: 500;
  line-height: 1;
  flex-shrink: 0;
  transition: filter 0.2s ease, transform 0.15s ease;
}

.author-toggle-glyph {
  display: inline-block;
  line-height: 1;
  transform-origin: center center;
}

.author-widget:not(.is-open) .author-toggle:hover .author-toggle-label {
  background: var(--invert-bg);
  color: var(--invert-text);
  border-color: var(--invert-bg);
}

.author-widget:not(.is-open) .author-toggle:hover .author-toggle-icon {
  filter: brightness(1.12);
}

.author-widget:not(.is-open) .author-toggle:active .author-toggle-icon {
  transform: scale(0.95);
}

.author-widget.is-open .author-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 2.75rem;
  padding: 0 0 0 var(--space-base);
  background: var(--surface-subtle);
  border-bottom: 1px solid var(--border);
  gap: var(--space-base);
}

.author-widget.is-open .author-toggle-label {
  border: none;
  background: transparent;
  padding: 0;
  height: auto;
  color: var(--text);
}

.author-widget.is-open .author-toggle-icon {
  border: none;
  border-left: 1px solid var(--border);
}

.author-widget.is-open .author-toggle:hover {
  background: var(--surface-hover);
}

.author-widget.is-open .author-toggle:hover .author-toggle-icon {
  filter: brightness(1.12);
}

.author-panel {
  position: relative;
  width: 100%;
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-xl);
  opacity: 0;
  pointer-events: none;
}

.author-panel[hidden] { display: none; }

.author-widget.is-open .author-panel {
  opacity: 1;
  pointer-events: auto;
}

.author-photo {
  flex: 0 0 var(--author-photo-size);
  width: var(--author-photo-size);
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--bg);
}

.author-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.author-text {
  flex: 1;
  min-width: 0;
  max-height: 20rem;
  overflow-y: auto;
}

.author-name {
  font-size: var(--font-2xl);
  line-height: 1.1;
  color: var(--heading);
  margin-bottom: var(--space-md);
}

.author-bio {
  font-size: var(--font-md);
  line-height: 1.7;
  color: var(--subtext);
}

.author-bio p + p { margin-top: var(--space-md); }
.author-bio a {
  color: var(--text);
  text-decoration: underline;
}

/* ==========================================================================
   MODAL TYPES & CARD VARIANTS
   ========================================================================== */

/* Photography Modal */
.modal-photo {
  background: transparent;
  border: none;
  height: auto !important;
  min-height: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: flex-end !important;
  overflow: visible;
}

.modal-photo .photo-frame {
  position: relative;
  width: 100%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.modal-photo.interactive:hover .photo-frame {
  border-color: var(--border-hover);
}

.modal-photo.is-sticky {
  background: transparent !important;
  border: none !important;
}

.modal-photo.is-sticky .photo-frame {
  border-color: var(--sticky-border);
}

.modal-photo.interactive.is-sticky:hover .photo-frame {
  border-color: var(--sticky-border-hover);
}

.modal-photo.is-sticky .pinned-badge-above {
  top: 0;
  bottom: auto;
  left: 0;
  border-bottom: none;
}

.modal-photo img {
  width: 100%;
  height: auto !important;
  max-height: none !important;
  object-fit: contain !important;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-photo:hover img {
  transform: scale(1.02);
}

.photo-tag {
  position: relative !important;
  display: inline-flex !important;
  align-items: center !important;
  align-self: flex-end !important;
  margin-left: auto !important;
  background: var(--invert-bg) !important;
  color: var(--invert-text) !important;
  padding: var(--space-xs) var(--space-base) !important;
  font-size: var(--font-xs) !important;
  font-weight: 700 !important;
  font-family: monospace !important;
  text-transform: uppercase !important;
  letter-spacing: 0.08em !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  z-index: 5 !important;
}

/* Design Case Study Modal */
.modal-design {
  padding: var(--space-4xl) var(--space-3xl);
  min-height: 23.75rem;
  background: var(--card-bg);
}

.modal-design.wide {
  padding: 2.75rem var(--space-5xl);
}

.design-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-xs);
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 3;
}

.design-preview {
  margin: var(--space-6xl) 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-base);
  text-align: left;
  z-index: 3;
  width: 100%;
}

.design-preview.has-image {
  margin: var(--space-2xl) 0 var(--space-xl);
  gap: var(--space-lg);
}

.modal-design.wide .design-preview.has-image {
  margin: var(--space-3xl) 0 var(--space-2xl);
  gap: var(--space-xl);
}

.design-image {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  transition: border-color 0.3s ease;
}

.artifact.interactive:hover .design-image {
  border-color: var(--border-hover);
}

.design-image img {
  width: 100%;
  height: auto !important;
  max-height: none !important;
  object-fit: contain !important;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.artifact.interactive:hover .design-image img {
  transform: scale(1.03);
}

.design-placeholder-icon { align-self: flex-start; }
.design-placeholder-icon svg { display: block; color: currentColor; }

.design-preview h3 {
  font-size: var(--font-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--heading);
  transition: color 0.2s ease;
  width: 100%;
}

.artifact.interactive:hover .design-preview h3 {
  color: var(--heading-hover);
}

.design-footer {
  font-size: var(--font-xs);
  color: var(--subtext);
  font-family: monospace;
  z-index: 3;
}

/* Writing / Essay Modal */
.modal-writing {
  background: transparent !important;
  border: none !important;
  padding: var(--space-xl) var(--space-sm);
}

.modal-writing .dim-overlay { display: none; }

.modal-writing .essay-tag {
  font-size: var(--font-xs);
  font-family: monospace;
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modal-writing h2 {
  font-family: 'Xanh Mono', monospace;
  font-size: var(--font-3xl);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  font-weight: normal;
  letter-spacing: -0.02em;
  color: var(--heading);
  transition: color 0.2s ease;
}

.modal-writing.interactive:hover h2 { color: var(--heading-hover); }

.modal-writing p {
  font-size: var(--font-base);
  line-height: 1.7;
  color: var(--subtext);
}

.modal-writing .design-footer { margin-top: var(--space-lg); }

/* Link / Bookmark Modal */
.artifact.modal-link {
  background: transparent !important;
  border: none !important;
  padding: var(--space-md) 0;
  justify-content: flex-start;
  align-items: flex-start;
  min-height: auto;
  overflow: visible;
}

.artifact.modal-link .dim-overlay { display: none !important; }
.artifact.modal-link.is-sticky {
  border: none !important;
}

.modal-link-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
}

.modal-link-title {
  font-family: 'Xanh Mono', monospace;
  font-size: var(--font-3xl);
  line-height: 1.15;
  font-weight: normal;
  letter-spacing: -0.02em;
  color: #3b82f6;
  text-decoration: underline;
  text-underline-offset: var(--space-xs);
  transition: color 0.2s ease;
  word-break: break-word;
}

.artifact.modal-link.interactive:hover .modal-link-title { color: #60a5fa; }

.modal-link-desc {
  font-size: var(--font-md);
  line-height: 1.65;
  color: var(--subtext);
  margin: 0;
}

/* Apple Stickies Note Modal */
.modal-note {
  padding: var(--space-xl);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  min-height: 11.25rem;
}

.modal-note::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--space-sm);
  background: rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.modal-note .dim-overlay {
  background: rgba(0, 0, 0, 0.12);
}

.modal-note,
.modal-note.sticky-yellow {
  background: #fcf4a7;
  border: 1px solid #f6de59;
  color: #1c1917;
}

.modal-note .note-label,
.modal-note.sticky-yellow .note-label {
  font-size: var(--font-2xs);
  font-family: monospace;
  color: #713f12;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  z-index: 3;
}

.modal-note p,
.modal-note.sticky-yellow p {
  font-size: var(--font-md);
  line-height: 1.65;
  color: #292524;
  font-weight: 500;
  z-index: 3;
}

.modal-note.sticky-pink { background: #fbcfe8; border: 1px solid #f9a8d4; color: #4c0519; }
.modal-note.sticky-pink .note-label { color: #9f1239; }
.modal-note.sticky-pink p { color: #701a75; }

.modal-note.sticky-green { background: #c3fdaa; border: 1px solid #98ed79; color: #064e3b; }
.modal-note.sticky-green .note-label,
.modal-note.sticky-green p { color: #14532d; }

.modal-note.sticky-blue { background: #bcf2fd; border: 1px solid #7ee0f9; color: #0c4a6e; }
.modal-note.sticky-blue .note-label { color: #0369a1; }
.modal-note.sticky-blue p { color: #0c4a6e; }

.modal-note.sticky-purple { background: #bac9fb; border: 1px solid #8da3f8; color: #1e1b4b; }
.modal-note.sticky-purple .note-label { color: #3730a3; }
.modal-note.sticky-purple p { color: #1e1b4b; }

/* Telemetry & Stats Modal */
.modal-stats {
  padding: var(--space-3xl) var(--space-2xl);
  background: var(--stats-bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 15rem;
}

.modal-stats .stats-header {
  font-size: var(--font-xs);
  font-family: monospace;
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modal-stats .stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-base);
  margin: var(--space-base) 0;
}

.modal-stats .stat-val {
  font-size: var(--font-xl);
  font-family: monospace;
  font-weight: 600;
  color: var(--heading);
}

.modal-stats .stat-lbl {
  font-size: var(--font-2xs);
  font-family: monospace;
  color: var(--subtext);
  text-transform: uppercase;
  margin-top: var(--space-2xs);
}

/* Code Modal */
.modal-code {
  padding: var(--space-xl);
  background: var(--code-bg);
  border: 1px solid var(--border);
  font-family: monospace;
  font-size: var(--font-sm);
  line-height: 1.6;
  min-height: 13.75rem;
}

.modal-code .code-header {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-2xs);
  color: var(--subtext);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-base);
}

.modal-code pre {
  color: var(--code-text);
  white-space: pre-wrap;
  word-break: break-all;
  font-size: var(--font-xs);
}

/* Sticker (Unclickable) */
.modal-sticker {
  background: var(--surface-subtle);
  border: 1px dashed var(--border);
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: monospace;
  font-size: var(--font-sm);
  color: var(--subtext);
  pointer-events: none;
}

/* Music Modal (1:1 Aspect Ratio) */
.modal-music {
  aspect-ratio: 1 / 1;
  width: 100%;
  padding: var(--space-xl);
  background: var(--card-bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.modal-music .dim-overlay { display: block; }

.modal-music .music-header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  width: 100%;
  z-index: 4;
}

.modal-music .music-date {
  margin-left: auto;
  font-family: monospace;
  font-size: var(--font-xs);
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.modal-music .music-cd-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  min-height: 0;
  margin: var(--space-xs) 0;
  z-index: 4;
}

.modal-music .cd-rotator {
  width: min(var(--cd-disc-size), 84%);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: spin-cd 20s linear infinite;
  transform-origin: center center;
  will-change: transform;
}

.modal-music.interactive:hover .cd-rotator {
  animation-duration: 12s;
}

@keyframes spin-cd {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.modal-music .cd-disc {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.modal-music .cd-base {
  fill: var(--cd-fill);
  stroke: var(--cd-stroke);
  stroke-width: 1;
}

.modal-music .cd-curved-text {
  fill: var(--cd-text);
  font-family: monospace;
  font-size: var(--font-3xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  user-select: none;
}

.modal-music .cd-hole-rim {
  fill: none;
  stroke: rgba(255, 255, 255, 0.14);
  stroke-width: 1;
}

.modal-music .cd-center-hole {
  fill: var(--card-bg);
  transition: fill 0.25s ease;
}

.modal-music .music-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
  z-index: 4;
}

.modal-music .music-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
  min-width: 0;
  overflow: hidden;
}

.modal-music .music-title {
  font-family: 'Xanh Mono', monospace;
  font-size: var(--font-base);
  font-weight: 400;
  color: var(--text);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
}

.modal-music.interactive:hover .music-title {
  color: var(--heading);
}

.modal-music .music-artist {
  font-family: monospace;
  font-size: var(--font-xs);
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
}

.modal-music .music-equalizer {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3xs);
  height: 0.875rem;
  flex-shrink: 0;
}

.modal-music .eq-bar {
  width: 2.5px;
  background: var(--text);
  border-radius: 1px;
  opacity: 0.75;
  animation: eq-bounce 1.2s ease-in-out infinite alternate;
}

.modal-music .eq-bar:nth-child(1) { height: 40%; animation-delay: 0.1s; }
.modal-music .eq-bar:nth-child(2) { height: 90%; animation-delay: 0.35s; }
.modal-music .eq-bar:nth-child(3) { height: 60%; animation-delay: 0.2s; }
.modal-music .eq-bar:nth-child(4) { height: 75%; animation-delay: 0.5s; }

@keyframes eq-bounce {
  0%   { height: 25%; }
  100% { height: 100%; }
}

/* 2-Column Spanning Cards */
.span-2, .artifact.wide, .modal-photo.wide, .modal-writing.wide {
  grid-column: span 2 !important;
}

.modal-writing.wide {
  background: var(--card-bg) !important;
  border: 1px solid var(--border) !important;
  padding: 2.75rem var(--space-5xl) !important;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 22.5rem;
}

.modal-writing.wide .dim-overlay { display: block; }

.modal-writing.wide h2 {
  font-family: 'Xanh Mono', monospace;
  font-size: var(--font-4xl);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  color: var(--heading);
  transition: color 0.2s ease;
  z-index: 3;
}

.modal-writing.wide.interactive:hover h2 { color: var(--heading-hover); }

.modal-writing.wide p {
  font-size: var(--font-base);
  line-height: 1.75;
  color: var(--subtext);
  max-width: 92%;
  z-index: 3;
}

.modal-writing.wide .essay-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-3xl);
  font-family: monospace;
  font-size: var(--font-xs);
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  z-index: 3;
}

/* ==========================================================================
   DEDICATED SINGLE POST VIEW
   ========================================================================== */

.single-hero-header {
  margin-bottom: var(--space-7xl);
}

.single-meta-bar {
  display: flex;
  align-items: center;
  gap: var(--space-base);
  font-family: monospace;
  font-size: var(--font-xs);
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}

.single-meta-tag {
  color: var(--text);
  border: 1px solid var(--border);
  padding: var(--space-2xs) var(--space-sm);
}

.single-post-title {
  font-size: var(--font-fluid-single);
  line-height: 1.1;
  color: var(--heading);
  margin-bottom: var(--space-xl);
}

.single-media-stage {
  margin-bottom: var(--space-8xl);
  background: var(--card-bg);
  border: 1px solid var(--border);
  overflow: hidden;
  max-width: var(--content-max-wide);
  margin-left: 0;
  margin-right: auto;
}

.single-media-stage img {
  width: 100%;
  height: auto !important;
  max-height: 53.125rem !important;
  object-fit: contain !important;
  display: block;
}

.single-media-stage.single-media-photo {
  background: none;
  border: none;
  overflow: visible;
  max-width: 100%;
}

.single-media-stage.single-media-photo img {
  width: auto;
  max-width: 100%;
  margin: 0 auto 0 0;
}

.single-content-body {
  font-size: var(--font-lg);
  line-height: 1.8;
  color: var(--prose-text);
  max-width: var(--content-max-prose);
  margin: 0 auto var(--space-10xl) 0;
}

.single-content-body p {
  margin-bottom: var(--space-2xl);
}

.single-content-body img {
  display: block;
  max-width: 100%;
  height: auto !important;
  margin: var(--space-3xl) auto var(--space-3xl) 0;
}

.single-content-body h2,
.single-content-body h3 {
  color: var(--heading);
  margin-top: var(--space-6xl);
  margin-bottom: var(--space-lg);
}

.single-content-body blockquote {
  border-left: 2px solid var(--border-hover);
  padding-left: var(--space-xl);
  font-style: italic;
  color: var(--subtext);
  margin: var(--space-4xl) 0;
}

.single-content-body code {
  font-family: monospace;
  background: var(--inline-code-bg);
  padding: var(--space-3xs) var(--space-xs);
  font-size: 0.9em;
  color: var(--code-text);
}

/* Monospace Key-Value Spec Grid */
.single-specs-section {
  border-top: 1px solid var(--border);
  padding-top: var(--space-6xl);
  margin: var(--space-8xl) auto 0 0;
  max-width: var(--content-max-wide);
}

.single-specs-title {
  font-family: monospace;
  font-size: var(--font-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--subtext);
  margin-bottom: var(--space-xl);
}

.single-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--spec-grid-min), 1fr));
  gap: var(--space-lg);
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: var(--space-3xl);
}

.single-spec-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-family: monospace;
}

.single-spec-label {
  font-size: var(--font-2xs);
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.single-spec-value {
  font-size: var(--font-md);
  color: var(--text);
  font-weight: 500;
}

/* Previous / Next Artifact Nav */
.single-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-12xl);
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-base);
  min-height: 11.25rem;
  padding: var(--space-3xl);
  background: var(--card-bg);
  border: 1px solid var(--border);
}

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

a.post-nav-link:hover {
  border-color: var(--border-hover);
  background: var(--post-nav-hover-bg);
}

.post-nav-label {
  font-family: monospace;
  font-size: var(--font-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtext);
  transition: color 0.25s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

a.post-nav-link:hover .post-nav-label { color: var(--text); }
a.post-nav-prev:hover .post-nav-label { transform: translateX(calc(var(--space-xs) * -1)); }
a.post-nav-next:hover .post-nav-label { transform: translateX(var(--space-xs)); }

.post-nav-title {
  font-family: 'Xanh Mono', monospace;
  font-size: var(--font-fluid-nav);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--heading);
  margin-top: auto;
}

.post-nav-meta {
  font-family: monospace;
  font-size: var(--font-2xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--subtext);
}

.post-nav-link.is-empty {
  background: transparent;
  border-style: dashed;
}

.post-nav-link.is-empty .post-nav-title {
  color: var(--subtext);
  opacity: 0.6;
}

/* Related Artifacts */
.single-related { margin-top: var(--space-15xl); }

.single-related-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xl);
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-6xl);
  border-bottom: 1px solid var(--border);
}

.single-related-title,
.single-related-all {
  font-family: monospace;
  font-size: var(--font-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtext);
}

.single-related-all:hover { color: var(--text); }

/* ==========================================================================
   PAGINATION & FOOTER
   ========================================================================== */

.canvas-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xl);
  margin-top: var(--space-15xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  font-family: monospace;
  font-size: var(--font-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pagination-step {
  padding: var(--space-md) var(--space-base);
  border: 1px solid var(--border-hover);
  color: var(--text);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

a.pagination-step:hover {
  background: var(--invert-bg);
  color: var(--invert-text);
  border-color: var(--invert-bg);
}

.pagination-step.is-disabled {
  border-color: var(--border);
  color: var(--subtext);
  opacity: 0.4;
}

.pagination-pages {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  list-style: none;
}

.pagination-num,
.pagination-gap {
  display: inline-block;
  min-width: var(--space-5xl);
  padding: var(--space-sm);
  text-align: center;
  color: var(--subtext);
  transition: color 0.2s ease, background 0.2s ease;
}

a.pagination-num:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.pagination-num.is-current {
  background: var(--invert-bg);
  color: var(--invert-text);
  font-weight: 700;
}

.pagination-count {
  display: none;
  color: var(--subtext);
}

.site-footer {
  margin-top: var(--space-15xl);
  padding: var(--space-5xl) 0;
  border-top: 1px solid var(--border);
}

.footer-contact-row {
  display: flex;
  justify-content: flex-start;
  margin-bottom: var(--space-3xl);
}

.footer-email {
  display: inline-flex;
  align-items: stretch;
  gap: var(--space-2xs);
  flex-shrink: 0;
  cursor: pointer;
  outline: none;
}

.footer-email:focus-visible {
  outline: 1px dashed var(--accent);
  outline-offset: 3px;
}

.footer-email-label {
  display: inline-flex;
  align-items: center;
  height: 2.75rem;
  padding: 0 var(--space-base);
  background: var(--card-bg);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  font-family: monospace;
  font-size: var(--font-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
}

.footer-email-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  aspect-ratio: 1 / 1;
  background-color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: #ffffff;
  flex-shrink: 0;
  transition: filter 0.2s ease, transform 0.15s ease;
}

.footer-email-icon svg {
  display: block;
  stroke: #ffffff;
}

.footer-email:hover .footer-email-label {
  background: var(--invert-bg);
  color: var(--invert-text);
  border-color: var(--invert-bg);
}

.footer-email:hover .footer-email-icon { filter: brightness(1.12); }
.footer-email:active .footer-email-icon { transform: scale(0.95); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-base) var(--space-3xl);
  font-family: monospace;
  font-size: var(--font-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtext);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-xl);
  list-style: none;
}

.footer-links a,
.footer-top-btn {
  color: var(--subtext);
  transition: color 0.2s ease;
}

.footer-links a:hover,
.footer-top-btn:hover { color: var(--text); }

.footer-time {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-clock {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.footer-top-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}

/* ==========================================================================
   SEMANTIC COMPONENT UTILITIES (Replaces 350KB Tailwind Play CDN)
   ========================================================================== */

.text-subtext { color: var(--subtext); }

.card-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-base);
  position: relative;
  z-index: 3;
}

.card-meta-row--compact { margin-bottom: var(--space-md); }

.sticker-title {
  font-family: monospace;
  font-size: var(--font-sm);
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2xs);
}

.sticker-excerpt { font-size: var(--font-md); }

.single-stage-box {
  padding: var(--space-3xl);
  margin-bottom: var(--space-6xl);
}

.single-stats-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.single-link-stage {
  margin-bottom: var(--space-5xl);
  padding: var(--space-xl);
  background: var(--card-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-base);
  max-width: var(--content-max-wide);
}

.single-link-eyebrow {
  display: block;
  font-family: monospace;
  font-size: var(--font-sm);
  color: var(--subtext);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2xs);
}

.single-link-url {
  color: #3b82f6;
  text-decoration: underline;
  font-size: var(--font-lg);
  font-weight: 500;
  word-break: break-all;
}

.single-link-url:hover { color: #60a5fa; }

.single-action-btn {
  display: inline-block;
  font-family: monospace;
  font-size: var(--font-sm);
  text-transform: uppercase;
  padding: var(--space-sm) var(--space-base);
  border: 1px solid var(--border-hover);
  color: var(--text);
  white-space: nowrap;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.single-action-btn:hover {
  border-color: var(--invert-bg);
  background: var(--invert-bg);
  color: var(--invert-text);
}

.single-music-stage {
  padding: var(--space-3xl);
  margin-bottom: var(--space-6xl);
  max-width: 32rem;
}

.single-music-stage .music-title { font-size: var(--font-lg); }

.single-note-stage {
  padding: var(--space-3xl);
  margin-bottom: var(--space-6xl);
  max-width: 42rem;
}

.single-note-stage .note-label {
  margin-bottom: var(--space-base);
  display: block;
}

.single-note-body,
.single-note-body p {
  font-size: var(--font-lg);
  line-height: 1.65;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

@media (max-width: 64rem) {
  .canvas-grid { grid-template-columns: 1fr; gap: var(--space-4xl); }
  .span-2, .artifact.wide { grid-column: span 1 !important; }
  .artifact { transform: none !important; }
}

@media (max-width: 48rem) {
  .container-aligned { width: 92%; }
  .top-nav { padding: var(--space-lg) 0; }
  .mobile-menu-toggle { display: flex; }
  .top-nav.is-scrolled .mobile-menu-toggle { display: none; }

  .top-back-link {
    font-size: var(--font-2xs);
    padding: var(--space-xs) var(--space-md);
    gap: var(--space-xs);
  }

  .menu-filters {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    min-width: 11.25rem;
    z-index: 1001;
  }

  .menu-filters.mobile-open { display: flex; }

  .feed-view-control-bar {
    margin-top: calc(var(--space-4xl) * -1);
    margin-bottom: var(--space-4xl);
  }

  .category-feed-section { margin-bottom: var(--space-8xl); }
  .category-section-header { margin-bottom: var(--space-3xl); }
  .category-section-title { font-size: var(--font-xl); }
  .category-page-header { margin-bottom: var(--space-4xl); }
  .category-page-title { font-size: var(--font-2xl); }
  .category-section-more { margin-top: var(--space-4xl); }

  .classic-hero { margin-bottom: var(--space-9xl); padding-bottom: var(--space-md); }
  .hero-main { gap: var(--space-2xl); }
  .author-panel { flex-direction: column; }
  .author-photo { flex: none; width: var(--author-photo-size-sm); }
  .author-text { max-height: none; }
  .classic-hero h1 { font-size: var(--font-3xl); }
  .hero-subhead { font-size: var(--font-base); }
  .custom-cursor { display: none !important; }
  .artifact.interactive { cursor: pointer !important; }

  .single-post-nav { grid-template-columns: 1fr; gap: var(--space-base); margin-top: var(--space-8xl); }
  .post-nav-link { min-height: 0; padding: var(--space-xl); }
  .single-related { margin-top: var(--space-10xl); }
  .single-related-header { margin-bottom: var(--space-3xl); }
  .single-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .single-link-stage { flex-direction: column; align-items: flex-start; }

  .canvas-pagination { margin-top: var(--space-9xl); }
  .pagination-pages { display: none; }
  .pagination-count { display: inline; }

  .site-footer { margin-top: var(--space-10xl); padding-top: var(--space-5xl); }
}

@media (max-width: 30rem) {
  .brand-group { gap: var(--space-sm); }
  .theme-toggle { margin-right: calc(var(--space-3xs) * -1); }
  .top-nav.is-scrolled .brand-group { gap: var(--space-sm); }
  .top-back-link { padding: var(--space-xs) var(--space-sm); font-size: var(--font-2xs); }
}

/* ==========================================================================
   EDITORIAL GSAP MOTION & PAGE CURTAIN
   ========================================================================== */

.hero-line-mask {
  display: block;
  overflow: hidden;
  padding-bottom: 0.08em;
}

.hero-line-inner {
  display: inline-block;
  will-change: transform;
}

.curtain-wrapper,
.single-media-stage.curtain-wrapper {
  position: relative;
  overflow: hidden;
  will-change: clip-path;
}

.curtain-wrapper img,
.single-media-stage img,
.design-image img,
.modal-photo .photo-frame img {
  transform-origin: center center;
  will-change: transform;
}

.page-curtain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg);
  z-index: 999999;
  pointer-events: none;
  transform: translate3d(100%, 0, 0);
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

html.is-transitioning .page-curtain {
  transform: translate3d(0%, 0, 0);
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .hero-line-mask,
  .curtain-wrapper,
  .single-media-stage.curtain-wrapper {
    overflow: visible !important;
    clip-path: none !important;
    -webkit-clip-path: none !important;
  }

  .hero-line-inner,
  .curtain-wrapper img,
  .single-media-stage img,
  .design-image img,
  .modal-photo .photo-frame img {
    transform: none !important;
  }

  .artifact.interactive { cursor: pointer !important; }
  .custom-cursor, .page-curtain { display: none !important; }
}