/* ═══════════════════════════════════════════════════════════
   STAYUX PORTFOLIO - BASE STYLES & COMPONENTS
   Foundation layer: Reset + Base HTML + Components
   Consumes tokens from design-system.css
   ═══════════════════════════════════════════════════════════ */

/* ---------------------------------------------------------──
   RESET & BASE STYLES
   ---------------------------------------------------------── */

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

html {
  font-size: 112.5%; /* 18px base instead of 16px */
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  /* Page background gradient — on html (canvas bg) for cross-browser reliability */
  background: linear-gradient(180deg,
    var(--n950) 0%,
    var(--primary-shade-900) 98%
  ) fixed;
  background-color: var(--n950);
  min-height: 100%;
  transition: background var(--duration-slow);
}

html[data-theme='light'] {
  background: linear-gradient(180deg,
    var(--white) 0%,
    var(--primary-tint-50) 98%
  ) fixed;
  background-color: var(--white);
}

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  line-height: var(--leading-normal);
  overflow-x: hidden;
  transition: color var(--duration-slow);
  position: relative;
}


/* --- SCANLINES (dark theme only) --- */
[data-theme="dark"] body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 998;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 3px,
    var(--scanline) 3px,
    var(--scanline) 4px
  );
}

.page {
  position: relative;
  z-index: var(--z-base);
}

/* ---------------------------------------------------------──
   ACCESSIBILITY
   ---------------------------------------------------------── */

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  z-index: var(--z-notification);
  text-decoration: none;
  font-weight: var(--font-semibold);
  border-radius: 0 0 4px 4px;
  transition: top var(--duration-fast);
}

.skip-link:focus {
  top: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-lg);
}

[data-theme="dark"] *:focus-visible {
  outline-color: var(--secondary);
}

/* ---------------------------------------------------------──
   REDUCED MOTION (Accessibility)
   ---------------------------------------------------------── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ═══════════════════════════════════════════════════════════
   COMPONENT IMPLEMENTATIONS
   ═══════════════════════════════════════════════════════════ */

/* ---------------------------------------------------------──
   1. NAVIGATION
   ---------------------------------------------------------── */

/* Main Navigation Container */
nav[aria-label="Main navigation"] {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-modal);
  padding: 1.375rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: background var(--duration-slow), border-color var(--duration-slow);
}

/* Logo */
.nav-logo {
  text-decoration: none;
  justify-self: start;
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 40px;
  width: auto;
  display: block;
}

/* --- Theme-specific logo display --- */
.nav-logo img.nav-logo__dark {
  display: block;
}

.nav-logo img.nav-logo__light {
  display: none;
}

[data-theme="light"] .nav-logo img.nav-logo__dark {
  display: none;
}

[data-theme="light"] .nav-logo img.nav-logo__light {
  display: block;
}

/* Desktop Navigation Links */
.nav-links {
  list-style: none;
  display: flex;
  gap: var(--space-6);
  justify-content: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-18);
  text-transform: uppercase;
  position: relative;
  padding-bottom: var(--space-2);
  transition: color var(--duration-fast);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--primary);
  box-shadow: 0 0 6px var(--glow);
  transition: width var(--duration-normal) var(--ease-out);
}

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

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

.nav-links a[aria-current="page"] {
  color: var(--link);
}

[data-theme="dark"] .nav-links a {
  color: var(--white);
}

[data-theme="dark"] .nav-links a:hover {
  color: var(--white);
}

[data-theme="dark"] .nav-links a[aria-current="page"] {
  color: var(--white);
}

/* Navigation Right Section */
.nav-right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-resume {
  color: var(--white);
  background: var(--primary);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-06);
  padding: 2px 0.85rem 0;
  height: 32px;
  line-height: 28px;
  white-space: nowrap;
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast), border-color var(--duration-fast);
  display: inline-flex;
  align-items: center;
}

.nav-resume:hover {
  background: var(--primary-shade-200);
  border-color: var(--primary-shade-200);
}

/* Theme Toggle Button */
.theme-toggle {
  width: 44px;
  height: 44px;
  margin: 0;
  padding-top: 0;
  line-height: 41px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--duration-fast), opacity var(--duration-fast);
}

.theme-toggle:hover {
  color: var(--primary-shade-200);
}

/* Eclipse toggle icon (toggles.dev) */
.theme-toggle {
  --theme-toggle__eclipse--duration: 500ms;
  color: var(--primary);
}

[data-theme="light"] .theme-toggle {
  color: var(--n200);
}


/* Disc visible in both themes - white in dark mode, dark bg in light mode */
[data-theme="dark"] .theme-toggle .eclipse-bg { fill: var(--white); }
[data-theme="light"] .theme-toggle .eclipse-bg { fill: var(--n950); }

.theme-toggle svg {
  width: 32px;
  height: 32px;
}

.theme-toggle__eclipse :first-child path {
  transition-property: transform, d;
  transition-duration: var(--theme-toggle__eclipse--duration);
  transition-timing-function: ease;
}

.theme-toggle--toggled .theme-toggle__eclipse :first-child path {
  d: path("M-32 0h64v32h-64zm36 16a1 1 0 0024 1 1 1 0 00-24-1");
}


/* Both transitions: circle exits right, theme switches off-screen, new circle enters from right */
@keyframes eclipse-bounce {
  0%   { d: path("M0 0h64v32h-64zm4 16a1 1 0 0024 1 1 1 0 00-24-1");  animation-timing-function: ease-in;  }
  50%  { d: path("M0 0h64v32h-64zm36 16a1 1 0 0024 1 1 1 0 00-24-1"); animation-timing-function: ease-out; }
  100% { d: path("M0 0h64v32h-64zm4 16a1 1 0 0024 1 1 1 0 00-24-1");  }
}

.theme-toggle--to-light .theme-toggle__eclipse :first-child path,
.theme-toggle--to-dark .theme-toggle__eclipse :first-child path {
  animation: eclipse-bounce var(--theme-toggle__eclipse--duration) linear forwards;
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle__eclipse * {
    transition: none !important;
    animation: none !important;
  }
}

/* Hamburger Menu Button */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast);
}

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

.hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-fast);
}

.hamburger[aria-expanded="true"] span:first-child {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:last-child {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  background: var(--bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  transition: background var(--duration-slow);
}

.mobile-menu.open {
  display: flex;
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.mobile-menu a {
  color: var(--text-primary);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  letter-spacing: var(--tracking-14);
  text-transform: uppercase;
  transition: color var(--duration-fast);
  opacity: 0;
  transform: translateY(20px);
}

.mobile-menu.open a {
  animation: slideUp var(--duration-slow) var(--ease-out) forwards;
}

.mobile-menu.open a:nth-child(1) {
  animation-delay: 0.05s;
}
.mobile-menu.open a:nth-child(2) {
  animation-delay: 0.1s;
}
.mobile-menu.open a:nth-child(3) {
  animation-delay: 0.15s;
}
.mobile-menu.open a:nth-child(4) {
  animation-delay: 0.2s;
}
.mobile-menu.open a:nth-child(5) {
  animation-delay: 0.25s;
}

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

.mobile-menu a:hover {
  color: var(--link);
}

.mobile-menu .m-resume {
  font-family: var(--font-primary);
  font-size: var(--text-base-plus);
  color: var(--primary-tint-50);
  background-color: var(--primary-shade-50);
  letter-spacing: var(--tracking-widest);
  border: 1px solid var(--border);
  padding: 3px 1.1rem 0;
  height: 40px;
  line-height: 35px;
  border-radius: var(--radius-sm);
  margin-top: var(--space-3);
  display: inline-flex;
  align-items: center;
}

.mobile-menu .m-resume:hover {
  color: var(--link);
  border-color: var(--border-hover);
}

/* ---------------------------------------------------------──
   2. FOOTER
   ---------------------------------------------------------── */

footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.4s;
}

.f-logo {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  color: var(--text-muted);
  letter-spacing: var(--tracking-22);
}

.f-links {
  display: flex;
  gap: 1.75rem;
}

.f-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-12);
  text-transform: uppercase;
  transition: color var(--duration-fast), opacity var(--duration-fast);
}

@media (hover: hover) {
  .f-links a:hover {
    color: var(--link);
    opacity: 1;
  }
}

.f-copy {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ---------------------------------------------------------──
   3. BASE COMPONENTS
   ---------------------------------------------------------── */

/* Corner Brackets */
.corner {
  position: absolute;
  border-color: var(--primary);
  border-style: solid;
  transition: opacity 0.4s;
}

[data-theme="light"] .corner {
  opacity: 0.55;
}

/* System Labels */
.sys-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-28);
  text-transform: uppercase;
  color: var(--link);
  margin-bottom: var(--space-2);
}

.sys-title {
  font-family: var(--font-display);
  font-weight: var(--font-light);
  font-size: clamp(1.125rem, 2.2vw, 1.5rem);
  color: var(--text-primary);
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-6);
}

/* Node Image Placeholders */
.node-img {
  width: 100%;
  aspect-ratio: 16/9;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: 1.125rem;
}

.node-img--p {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-shade-200) 60%,
    var(--primary-grad-mid) 100%
  );
}

.node-img--s {
  background: linear-gradient(
    135deg,
    var(--secondary) 0%,
    var(--secondary-shade-200) 60%,
    var(--secondary-grad-mid) 100%
  );
}

.node-img--t {
  background: linear-gradient(
    135deg,
    var(--tertiary) 0%,
    var(--tertiary-shade-200) 60%,
    var(--tertiary-grad-mid) 100%
  );
}

.node-img--m {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--secondary) 50%,
    var(--tertiary) 100%
  );
}

.node-img::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: var(--z-base);
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 18px,
    var(--overlay-white-5) 18px,
    var(--overlay-white-5) 19px
  );
}

.node-img__label {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-18);
  text-transform: uppercase;
  color: var(--overlay-white-45);
}

/* Tags */
.node-tag {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-14);
  text-transform: uppercase;
  padding: 3px 0.55rem 0;
  height: 24px;
  line-height: 19px;
  border: 1px solid;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
}

.node-tag--p {
  border-color: var(--tag-p-bdr);
  color: var(--tag-p-txt);
}

.node-tag--s {
  border-color: var(--tag-s-bdr);
  color: var(--tag-s-txt);
}

.node-tag--t {
  border-color: var(--tag-t-bdr);
  color: var(--tag-t-txt);
}

/* Tag adaptive contrast — set by gallery.js based on image luminance in tag zone */

/* Light background → dark font + border — all variants use primary-shade-100 */
.node-tag--p.is-on-light,
.node-tag--s.is-on-light,
.node-tag--t.is-on-light {
  border-color: oklch(0.469 0.261 280 / 60%);
  color: var(--primary-shade-100);
}

/* Dark background → light font + border */
.node-tag--p.is-on-dark {
  border-color: oklch(0.765 0.143 301 / 50%);
  color: var(--primary-tint-300);
}
.node-tag--s.is-on-dark {
  border-color: oklch(0.828 0.099 9 / 50%);
  color: var(--secondary-tint-300);
}
.node-tag--t.is-on-dark {
  border-color: oklch(0.831 0.097 39 / 50%);
  color: var(--tertiary-tint-300);
}

/* Buttons */
.btn-cyber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 2.4rem 0;
  height: 48px;
  line-height: 43px;
  background: transparent;
  color: var(--link);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-22);
  text-transform: uppercase;
  white-space: nowrap;
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  box-shadow: 0 0 16px var(--glow-sm), inset 0 0 16px var(--overlay-primary-5);
  transition: background var(--duration-normal), box-shadow var(--duration-normal), color var(--duration-normal);
  cursor: pointer;
}

.btn-cyber:hover {
  background: var(--overlay-primary-12);
  box-shadow: 0 0 32px var(--glow), inset 0 0 20px var(--overlay-primary-8);
  color: var(--text-primary);
}

/* Border Spin Animation */
@property --ba-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

@keyframes ba-spin { to { --ba-angle: 360deg; } }

.ba {
  position: relative;
  isolation: isolate;
}

.ba::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: var(--ba-t, 2px);
  background: conic-gradient(from var(--ba-angle), var(--primary) 0%, var(--secondary) 33%, var(--tertiary) 66%, var(--primary) 100%);
  -webkit-mask: linear-gradient(var(--white) 0 0) content-box, linear-gradient(var(--white) 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 1;
}

.ba:hover::after {
  opacity: 1;
  animation: ba-spin 2s linear infinite;
}

.ba--1 { --ba-t: 1px; }

.ba--white::after {
  background: conic-gradient(from var(--ba-angle), var(--primary) 0%, var(--primary) 40%, oklch(1 0 0) 68%, var(--primary) 100%);
}

/* Solid-fill buttons: push ::after outward to overlay the actual border */
.nav-resume.ba::after {
  inset: -1px;
}

/* ─── GALLERY LIGHTBOX ──────────────────────────────────────────────────── */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-lightbox[hidden] { display: none; }

.gl-backdrop {
  position: absolute;
  inset: 0;
  background: oklch(0 0 0 / 0.82);
  cursor: pointer;
}

/* Top tap-to-close zone (mobile) */
.gl-top-close {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  cursor: pointer;
  z-index: 1002;
}

/* Close button — floats top-right of the overlay, always visible */
.gl-close {
  position: absolute;
  top: var(--space-4);
  right: 2.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: oklch(0.15 0.05 280 / 0.85);
  border: 1px solid oklch(1 0 0 / 0.25);
  border-radius: var(--radius-sm);
  color: oklch(1 0 0 / 0.85);
  cursor: pointer;
  z-index: 1003;
  backdrop-filter: blur(8px);
  transition: background var(--duration-normal), color var(--duration-normal), border-color var(--duration-normal);
}
.gl-close:hover {
  background: oklch(0.22 0.08 280 / 0.95);
  color: oklch(1 0 0);
  border-color: oklch(1 0 0 / 0.5);
}
.gl-close svg { width: 18px; height: 18px; }

.gl-prev,
.gl-next {
  display: none; /* shown only in landscape mobile via media query */
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
  color: oklch(1 0 0 / 0.6);
  transition: color var(--duration-normal);
}
.gl-prev:hover, .gl-next:hover { color: oklch(1 0 0); }
.gl-prev { left: 0; }
.gl-next { right: 0; }
.gl-prev svg, .gl-next svg { width: 24px; height: 24px; }

.gl-panel {
  position: relative;
  z-index: 1001;
  width: min(85vw, 1000px);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: oklch(0.08 0.04 280);
  border-radius: var(--radius-lg);
  border: 1px solid oklch(1 0 0 / 0.12);
  animation: lb-in 0.3s ease-out;
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}
@media (prefers-reduced-motion: reduce) { .gl-panel { animation: none; } }

@keyframes lb-in {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

/* Image — fixed cap, panel clips it; meta takes the rest */
.gl-image {
  display: block;
  /* Layout, sizing, and opacity transition are handled by .gl-shimmer + shimmer-img */
}


.gl-meta {
  flex: 1 1 0;
  min-height: 0;
  padding: var(--space-4) var(--space-6) var(--space-5);
  border-top: 1px solid oklch(1 0 0 / 0.08);
  overflow: hidden;
}

.gl-meta-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.gl-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  letter-spacing: var(--tracking-08);
  text-transform: uppercase;
  color: oklch(1 0 0);
  flex: 1;
  margin: 0;
}

/* Hide title when empty */
.gl-title:empty { display: none; }

.gl-counter {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-20);
  color: oklch(0.55 0.12 280);
  white-space: nowrap;
  flex-shrink: 0;
  margin: 0;
}

.gl-content {
  font-size: var(--text-sm);
  color: oklch(0.72 0.05 280);
  line-height: 1.75;
}

/* Hide description block when empty */
.gl-content:empty { display: none; }

/* Richtext from Strapi */
.gl-content p { margin: 0 0 var(--space-3); }
.gl-content p:last-child { margin-bottom: 0; }
.gl-content strong { color: oklch(0.88 0.04 280); font-weight: var(--font-medium); }
.gl-content em { color: oklch(0.80 0.06 280); }
.gl-content a { color: oklch(0.65 0.20 280); text-underline-offset: 3px; }

.gl-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  font-weight: var(--font-medium);
  color: var(--primary);
  text-decoration: none;
  transition: color var(--duration-normal);
}
.gl-cta:hover { color: var(--primary-shade-100); }

.gl-mobile-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  margin-top: var(--space-3);
}
.gl-mobile-nav[hidden] { display: none !important; }

.gl-mprev,
.gl-mnext {
  min-height: 52px;
  padding: var(--space-3) var(--space-5);
  background: none;
  border: none;
  color: oklch(0.65 0.08 280);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-12);
  text-transform: uppercase;
  transition: color var(--duration-fast), background var(--duration-fast);
}
.gl-mprev { justify-content: flex-start; }
.gl-mnext { justify-content: flex-end; }
.gl-mprev:hover, .gl-mnext:hover { color: oklch(1 0 0); }
.gl-mprev svg, .gl-mnext svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ── Mobile lightbox — text-over-image overlay (portrait + landscape) ─────── */
@media (max-width: 768px) {
  .gl-close {
    right: 1.25rem;
    top: 1rem;
  }

  .gl-panel {
    width: 92vw;
    height: 82vh;
    max-height: 88vh;
    padding: 0;
  }

  /* Shimmer wrapper fills the entire panel; img sizing comes from .gl-shimmer img global rule */
  .gl-shimmer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-height: none;
    margin: 0;
    border-radius: var(--radius-lg);
    flex: none;
  }

  .gl-prev,
  .gl-next {
    display: none;
  }

  /* Meta overlays the image bottom with a gradient scrim */
  .gl-meta {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: var(--space-10) var(--space-5) var(--space-4);
    background: linear-gradient(to top, oklch(0 0 0 / 0.76) 0%, oklch(0 0 0 / 0.18) 65%, transparent 100%);
    border-top: none;
    overflow: hidden;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    flex: none;
    z-index: 1;
  }

  /* Default text colors: light image area → dark text */
  .gl-panel.is-text-on-light .gl-meta {
    background: linear-gradient(to top, oklch(1 0 0 / 0.82) 0%, oklch(1 0 0 / 0.24) 65%, transparent 100%);
  }

  /* Default: white text (dark image bottom) */
  .gl-meta .gl-title   { color: oklch(1 0 0); }
  .gl-meta .gl-counter { color: oklch(1 0 0 / 0.65); }
  .gl-meta .gl-content { color: oklch(1 0 0 / 0.82); }

  /* Light image: dark text */
  .gl-panel.is-text-on-light .gl-meta .gl-title   { color: oklch(0.10 0.01 280); }
  .gl-panel.is-text-on-light .gl-meta .gl-counter { color: oklch(0.35 0.05 280); }
  .gl-panel.is-text-on-light .gl-meta .gl-content { color: oklch(0.28 0.03 280); }

  /* Mobile nav overlays very bottom, above meta scrim */
  .gl-mobile-nav:not([hidden]) {
    display: flex;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: oklch(0 0 0 / 0.55);
    backdrop-filter: blur(8px);
    border-top: 1px solid oklch(1 0 0 / 0.15);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    z-index: 2;
  }

  .gl-panel.is-text-on-light .gl-mobile-nav:not([hidden]) {
    background: oklch(1 0 0 / 0.60);
    border-top-color: oklch(0 0 0 / 0.10);
  }

  /* Push meta above nav row when nav is visible */
  .gl-panel:has(.gl-mobile-nav:not([hidden])) .gl-meta {
    bottom: 56px;
  }
}

/* ── Landscape phones — identical to portrait ────────────────────────────── */
@media (orientation: landscape) and (max-height: 500px) {
  .gl-close {
    right: 1.25rem;
    top: 1rem;
  }

  .gl-panel {
    width: 92vw;
    height: 82vh;
    max-height: 88vh;
    padding: 0;
  }

  /* Shimmer wrapper fills the entire panel; img sizing comes from .gl-shimmer img global rule */
  .gl-shimmer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-height: none;
    margin: 0;
    border-radius: var(--radius-lg);
    flex: none;
  }

  /* Hide side arrows — use bottom nav like portrait */
  .gl-prev,
  .gl-next {
    display: none;
  }

  /* Meta overlays the image bottom with a gradient scrim */
  .gl-meta {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: var(--space-10) var(--space-5) var(--space-4);
    background: linear-gradient(to top, oklch(0 0 0 / 0.76) 0%, oklch(0 0 0 / 0.18) 65%, transparent 100%);
    border-top: none;
    overflow: hidden;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    flex: none;
    z-index: 1;
  }

  .gl-meta .gl-title   { color: oklch(1 0 0); }
  .gl-meta .gl-counter { color: oklch(1 0 0 / 0.65); }
  .gl-meta .gl-content { color: oklch(1 0 0 / 0.82); }

  .gl-panel.is-text-on-light .gl-meta {
    background: linear-gradient(to top, oklch(1 0 0 / 0.82) 0%, oklch(1 0 0 / 0.24) 65%, transparent 100%);
  }
  .gl-panel.is-text-on-light .gl-meta .gl-title   { color: oklch(0.10 0.01 280); }
  .gl-panel.is-text-on-light .gl-meta .gl-counter { color: oklch(0.35 0.05 280); }
  .gl-panel.is-text-on-light .gl-meta .gl-content { color: oklch(0.28 0.03 280); }

  /* Mobile nav overlays very bottom, above meta scrim */
  .gl-mobile-nav:not([hidden]) {
    display: flex;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: oklch(0 0 0 / 0.55);
    backdrop-filter: blur(8px);
    border-top: 1px solid oklch(1 0 0 / 0.15);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    z-index: 2;
  }

  .gl-panel.is-text-on-light .gl-mobile-nav:not([hidden]) {
    background: oklch(1 0 0 / 0.60);
    border-top-color: oklch(0 0 0 / 0.10);
  }

  /* Push meta above nav row when nav is visible */
  .gl-panel:has(.gl-mobile-nav:not([hidden])) .gl-meta {
    bottom: 56px;
  }
}

/* ─── PAGE GRADIENT BACKGROUND ──────────────────────────────────────────── */
/* Gradient is on html element (canvas bg) — orb-canvas kept for future use */
.orb-canvas {
  display: none;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 6rem;
  right: 2.5rem;
  z-index: var(--z-overlay);
  width: 42px;
  height: 42px;
  padding-top: 3px;
  line-height: 37px;
  border-radius: var(--radius-md);
  background: var(--primary);
  border: 1px solid var(--primary);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.2s,
    border-color 0.2s, box-shadow 0.2s;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-shade-200);
  border-color: var(--primary-shade-200);
  box-shadow: 0 0 12px var(--glow);
}

.back-to-top svg {
  width: 16px;
  height: 16px;
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 1.5rem;
    right: 1.2rem;
  }
}

/* ---------------------------------------------------------──
   4. LAYOUT PATTERNS
   ---------------------------------------------------------── */

/* Page Header Pattern */
.page-header {
  padding: 8rem 2.5rem 2rem;
  max-width: 880px;
  margin: 0 auto;
}

.page-code {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-20);
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.page-title {
  font-family: var(--font-display);
  font-weight: var(--font-light);
  font-size: clamp(2rem, 6vw, 3.2rem);
  color: var(--text-primary);
  letter-spacing: var(--tracking-widest);
  line-height: var(--leading-tighter);
  text-shadow: 0 0 30px var(--glow-sm);
}

.page-sub {
  margin-top: var(--space-4);
  font-size: var(--text-base-plus);
  color: var(--text-body);
  max-width: 480px;
  line-height: var(--leading-relaxed);
}

/* Node List Pattern */
.node-list {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

/* Node Card Pattern */
.node {
  position: relative;
  margin-bottom: var(--space-7);
  background: var(--node-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.875rem 1.875rem 1.875rem 2rem;
  transition: border-color var(--duration-normal), background var(--duration-normal), box-shadow var(--duration-normal);
}

@media (hover: hover) {
  .node:hover {
    border-color: var(--border-hover);
    background: var(--overlay-primary-5);
    box-shadow: 0 0 28px var(--glow-sm), inset 0 0 28px var(--overlay-primary-3);
  }
}

.node .n-corner {
  width: 14px;
  height: 14px;
}

.node .n-tl {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.node .n-br {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.node-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.node-code {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-20);
  color: var(--link);
}

.node-title {
  font-family: var(--font-display);
  font-weight: var(--font-normal);
  font-size: var(--text-lg);
  color: var(--text-primary);
  letter-spacing: var(--tracking-08);
  margin-bottom: 0.45rem;
}

.node-desc {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  line-height: var(--leading-relaxed);
  font-weight: var(--font-light);
}

.node-desc p + p {
  margin-top: var(--space-4);
}

[data-theme="light"] .node-desc {
  font-weight: var(--font-normal);
}

.node-tags {
  display: flex;
  gap: var(--space-2);
  margin-top: 0.875rem;
  flex-wrap: wrap;
}

.node-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: var(--space-4);
  color: var(--link);
  text-decoration: none;
  font-weight:var(--font-medium);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  transition: color 0.2s, gap 0.2s;
}

@media (hover: hover) {
  .node-link:hover {
    color: var(--link-hover);
    gap: var(--space-2);
  }
}

.node-link svg {
  width: 14px;
  height: 14px;
  padding: 0 0 0.12rem 0;
}

/* Panel Pattern */
.panel {
  background: var(--node-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.875rem 1.875rem 1.875rem 2rem;
  position: relative;
  transition: border-color 0.3s;
}

.panel .n-corner {
  width: 16px;
  height: 16px;
}

.panel .n-tl {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.panel .n-br {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

/* ---------------------------------------------------------──
   5. PAGE COMPONENTS
   ---------------------------------------------------------── */

/* --- HOME PAGE --- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0;
  padding-top: 100px;
  position: relative;
}

.hero-frame {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(780px, 85vw);
  height: 68vh;
  pointer-events: none;
}

.hero-frame .corner {
  width: 42px;
  height: 42px;
}

.hero-frame .c-tl {
  top: 0;
  left: 0;
  border-width: 2px 0 0 2px;
}

.hero-frame .c-tr {
  top: 0;
  right: 0;
  border-width: 2px 2px 0 0;
}

.hero-frame .c-bl {
  bottom: 0;
  left: 0;
  border-width: 0 0 2px 2px;
}

.hero-frame .c-br {
  bottom: 0;
  right: 0;
  border-width: 0 2px 2px 0;
}

.hero-code {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-20);
  color: var(--text-muted);
  margin-bottom: var(--space-5);
}

.hero-image {
  width: 100vw;
  max-width: none;
  height: auto;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  filter: var(--hero-img-filter);
  transition: filter 0.4s;

  /* Safari radial gradient fix */
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* --- Theme-specific hero image display --- */
.hero-image--dark {
  display: block;
}

.hero-image--light {
  display: none;
}

[data-theme="light"] .hero-image--dark {
  display: none;
}

[data-theme="light"] .hero-image--light {
  display: block;
}

/* --- Mobile hero image scaling --- */
@media (max-width: 768px) {
  .hero-image {
    width: 100%;
    max-width: 100%;
    height: 250px;
    margin-left: 0;
    margin-right: 0;
    padding: 0;
    object-fit: cover;
    object-position: center;
  }

  .hero {
    padding-top: var(--space-7);
  }

  .hero-name {
    font-size: var(--text-base-plus);
    margin-top: var(--space-5);
  }

  .hero-tagline {
    font-size: var(--text-xs);
  }
}

@media (max-width: 480px) {
  .hero-image {
    height: 200px;
  }

  .hero {
    padding-top: var(--space-6);
  }

  .hero-name {
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-14);
  }

  .hero-tagline {
    font-size: var(--text-sm);
  }
}

.hero-name {
  margin-top: 1.2rem;
  font-size: var(--text-2xl);
  color: var(--n200);
  letter-spacing: var(--tracking-06);
  text-transform: uppercase;
  text-align: center;
  font-weight: var(--font-normal);
}

[data-theme="light"] .hero-name {
  color: var(--n900);
}

.hero-tagline {
  margin-top: 0.1rem;
  font-size: var(--text-base-plus);
  color: var(--primary-tint-100);
  text-align: center;
  letter-spacing: var(--tracking-wider);
  line-height: var(--leading-normal);
  width:50%;
}

[data-theme="light"] .hero-tagline {
  color: var(--primary-shade-950);
}

.hero-line {
  display: none;
}

/* --- Starfield Background Effect --- */
.hero-bg-effect {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.starfield-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(
      ellipse at 30% 40%,
      var(--overlay-primary-8) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 70% 60%,
      var(--overlay-secondary-8) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 50% 80%,
      var(--overlay-tertiary-5) 0%,
      transparent 50%
    );
}

[data-theme="light"] .starfield-bg {
  background: var(--bg);
  background: radial-gradient(
      ellipse at 30% 40%,
      var(--overlay-primary-5) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 70% 60%,
      var(--overlay-secondary-10) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 50% 80%,
      var(--overlay-tertiary-10) 0%,
      transparent 50%
    );
}

.starfield-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .starfield-canvas {
    display: none;
  }
}

.systems {
  padding: 5rem 2.5rem 2.5rem 2.5rem;
  max-width: 880px;
  margin: 0 auto;
}

.systems-value {
  padding-top: var(--space-4);
  padding-bottom: 7rem;
}

.metrics {
  padding: 4.5rem 2.5rem;
  max-width: 880px;
  margin: 0 auto;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.metric-panel {
  background: var(--node-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.625rem 1.375rem;
  position: relative;
  transition: border-color var(--duration-normal), box-shadow var(--duration-normal);
}

.metric-panel:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 22px var(--glow-sm);
}

.metric-panel .m-tl {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--primary);
  border-left: 2px solid var(--primary);
}

.metric-panel .m-br {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 10px;
  height: 10px;
  border-bottom: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
}

.metric-num {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  font-size: var(--text-2xl);
  color: var(--text-primary);
  line-height: var(--leading-none);
  text-shadow: 0 0 18px var(--glow-sm);
}

.metric-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-16);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.45rem;
}

.metric-bar {
  margin-top: 0.875rem;
  height: 2px;
  background: var(--border);
  border-radius: var(--radius-xs);
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  border-radius: var(--radius-xs);
  box-shadow: 0 0 8px var(--glow);
}

.metric-bar-fill--p {
  background: var(--primary);
}

.metric-bar-fill--s {
  background: var(--secondary);
}

.metric-bar-fill--t {
  background: var(--tertiary);
}

.cta {
  padding: 6rem 2.5rem;
  text-align: center;
}

.cta-frame {
  display: inline-block;
  position: relative;
  padding: 3rem 4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.cta-frame .corner {
  width: 18px;
  height: 18px;
}

.cta-frame .c-tl {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.cta-frame .c-br {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.cta-title {
  font-family: var(--font-display);
  font-weight: var(--font-medium);
  font-size: clamp(1.125rem, 2.2vw, 1.5rem);
  color: var(--text-primary);
  letter-spacing: var(--tracking-widest);
  margin-bottom: 0.6rem;
}

.cta-sub {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  margin-bottom: 1.75rem;
  letter-spacing: var(--tracking-wider);
}

/* --- FAQ SECTION --- */

.faq-section {
  padding: 3rem 2.5rem 5rem;
  max-width: 880px;
  margin: 0 auto;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  position: relative;
  margin-bottom: var(--space-3);
  background: var(--node-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-normal), background var(--duration-normal), box-shadow var(--duration-normal);
}

@media (hover: hover) {
  .faq-item:hover {
    border-color: var(--border-hover);
    background: var(--overlay-primary-10);
    box-shadow: 0 0 28px var(--glow-sm), inset 0 0 28px var(--overlay-primary-3);
  }
}

@media (hover: hover) {
  [data-theme="light"] .faq-item:hover {
    border-color: var(--primary-tint-100);
    background: var(--primary-tint-50);
    box-shadow: var(--primary-tint-100);
}
}

.faq-item[open],
.faq-item.is-open {
  border-color: var(--border-hover);
}

.faq-item .n-corner {
  width: 14px;
  height: 14px;
}

.faq-item .n-tl {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.faq-item .n-br {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.faq-summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.375rem 1.875rem 1.375rem 2rem;
  cursor: pointer;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-q-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
  min-width: 0;
}

.faq-code {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-20);
  color: var(--link);
  text-transform: uppercase;
}

.faq-q-text {
  font-family: var(--font-display);
  font-weight: var(--font-medium);
  font-size: var(--text-base-plus);
  color: var(--text-primary);
  letter-spacing: var(--tracking-04);
  line-height: var(--leading-snug);
}

.faq-chevron {
  width: 18px;
  height: 18px;
  color: var(--link);
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out);
}

.faq-item[open] .faq-chevron,
.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

/* Grid animation — elastic open, snappy close via JS is-open class */
.faq-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 320ms cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.is-open .faq-body {
  grid-template-rows: 1fr;
  transition: grid-template-rows 1200ms cubic-bezier(0.07, 0.95, 0, 1);
}

.faq-body__inner {
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding: 1.25rem 2rem 1.625rem;
  border-top: 1px solid var(--border);
  background: var(--node-bg);
  font-weight: var(--font-light);
}

/* Animated blob layers */
.faq-body__inner::before,
.faq-body__inner::after {
  content: '';
  position: absolute;
  inset: -40%;
  pointer-events: none;
  z-index: 0;
}

.faq-body__inner::before {
  background: radial-gradient(
    ellipse 60% 50% at 40% 50%,
    var(--primary-shade-800) 0%,
    var(--primary-shade-900) 30%,
    transparent 65%
  );
  animation: faq-float-primary 15.6s ease-in-out infinite;
}

.faq-body__inner::after {
  background: radial-gradient(
    ellipse 50% 60% at 70% 40%,
    oklch(0.634 0.235 9 / 15%) 0%,
    transparent 55%
  );
  animation: faq-float-secondary 11.7s ease-in-out infinite;
}

[data-theme="light"] .faq-body__inner {
  font-weight: var(--font-normal);
}

[data-theme="light"] .faq-body__inner::before,
[data-theme="light"] .faq-body__inner::after {
  display: none;
}

@keyframes faq-float-primary {
  0%   { transform: translate(-30%, 0%); }
  50%  { transform: translate(10%, 5%); }
  100% { transform: translate(-30%, 0%); }
}

@keyframes faq-float-secondary {
  0%   { transform: translate(50%, -30%); }
  40%  { transform: translate(20%, 10%); }
  70%  { transform: translate(55%, 15%); }
  100% { transform: translate(50%, -30%); }
}

@media (prefers-reduced-motion: reduce) {
  .faq-body__inner::before,
  .faq-body__inner::after {
    animation: none;
  }
}

.faq-body__inner p,
.faq-body__inner em,
.faq-body__inner a,
.faq-body__inner ul,
.faq-body__inner ol {
  position: relative;
  z-index: var(--z-base);
}

.faq-body__inner p {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  line-height: var(--leading-normal);
}

.faq-body__inner p + p {
  margin-top: var(--space-4);
}

.faq-body__inner em {
  color: var(--text-primary);
  font-style: italic;
}

.faq-placeholder {
  color: var(--text-muted) !important;
  font-style: italic;
}

@media (prefers-reduced-motion: reduce) {
  .faq-body,
  .faq-chevron {
    transition: none !important;
  }
}

/* --- WORKS PAGE --- */

.filter-group {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.filter-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 0.9rem 0;
  height: 32px;
  line-height: 27px;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-12);
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--duration-fast);
  display: inline-flex;
  align-items: center;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--primary);
  color: var(--link);
  box-shadow: 0 0 10px var(--glow-sm);
}

.filter-btn.active {
  background: var(--overlay-primary-8);
}

.works-content {
  padding: 3rem 2.5rem 7rem;
  max-width: 880px;
  margin: 0 auto;
}

/* --- ABOUT PAGE --- */

.bio-section {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 2.5rem 3.5rem;
}

.bio-section .panel:first-of-type {
  min-height: 360px;
  margin-bottom: var(--space-4);
}

.portrait-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: var(--radius-lg);
}

.portrait-placeholder {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  color: var(--primary);
}

.portrait-placeholder__silhouette {
  width: 120px;
  height: auto;
  opacity: 0.6;
}

.portrait-placeholder__label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-20);
  color: var(--text-muted);
}

.bio-text {
  color: var(--text-body);
  line-height: var(--leading-normal);
  font-size: var(--text-base-plus);
}

.bio-text p + p {
  margin-top: var(--space-4);
}

.bio-highlight {
  color: var(--primary-tint-200);
  font-weight: var(--font-semibold);
}

[data-theme="light"] .bio-highlight {
  color: var(--link);
}

.bio-highlight-nuvizus {
  color: var(--nuvizus-brand-light);
  font-weight: var(--font-semibold);
}

[data-theme="light"] .bio-highlight-nuvizus {
  color: var(--nuvizus-brand-dark);
}


.skills-section {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 2.5rem 3.5rem;
}

.skills-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-15);
  margin-bottom: var(--space-5);
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.skill {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  padding: 3px 0.6rem 0;
  height: 26px;
  line-height: 21px;
  border: 1px solid var(--border);
  color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  display: inline-flex;
  align-items: center;
}

.skill:hover {
  background: var(--overlay-primary-10);
  border-color: var(--border-hover);
  color: var(--link);
}

.skill--s {
  border-color: var(--overlay-secondary-25);
  color: var(--text-body);
}

.skill--s:hover {
  background: var(--overlay-secondary-10);
  border-color: var(--overlay-secondary-40);
  color: var(--secondary);
}

[data-theme="light"] .skill--s:hover {
  color: var(--secondary-shade-200);
}

.skill--t {
  border-color: var(--overlay-tertiary-25);
  color: var(--text-body);
}

.skill--t:hover {
  background: var(--overlay-tertiary-10);
  border-color: var(--overlay-tertiary-40);
  color: var(--tertiary);
}

[data-theme="light"] .skill--t:hover {
  color: var(--tertiary-shade-200);
}

.experience {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 2.5rem 4rem;
}

.exp-list {
  position: relative;
  padding-left: 2.5rem;
}

[data-theme="dark"] .exp-list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    var(--primary),
    var(--overlay-primary-8)
  );
}

[data-theme="light"] .exp-list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    var(--primary),
    var(--overlay-primary-10)
  );
}

.exp-item {
  position: relative;
  margin-bottom: 2.25rem;
}

.exp-item:last-child {
  margin-bottom: 0;
}

.exp-dot {
  position: absolute;
  left: -2.32rem;
  top: 0.2rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg);
  box-shadow: 0 0 10px var(--glow-sm);
}

.exp-year {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-18);
  color: var(--link);
  margin-bottom: 0.2rem;
}

.exp-role {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  color: var(--text-primary);
  letter-spacing: var(--tracking-06);
  margin-bottom: 1.1rem;
}

.exp-company {
  font-size: var(--text-base-plus);
  color: var(--primary-tint-400);
  margin-bottom: 0.4rem;
}

[data-theme="light"] .exp-company {
  color: var(--primary-shade-50);
}

.exp-desc {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  line-height: var(--leading-relaxed);
}

.exp-desc p + p {
  margin-top: var(--space-4);
}

.resume-cta {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 2.5rem 6rem;
  text-align: center;
}

.resume-cta .cta-frame {
  display: inline-block;
  position: relative;
  padding: 2.75rem 3.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.resume-cta .corner {
  width: 18px;
  height: 18px;
}

.resume-cta .c-tl {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.resume-cta .c-br {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.resume-cta .cta-title {
  font-family: var(--font-display);
  font-weight: var(--font-semibold);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-primary);
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-2);
}

.resume-cta .cta-sub {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  margin-bottom: var(--space-5);
}

/* --- BLOG PAGE --- */

.blog-list {
  max-width: 780px;
  margin: 0 auto;
  padding: 2.5rem 2.5rem 6rem;
}

.blog-entry {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.4s;
}

.blog-entry:last-child {
  border-bottom: none;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.blog-date {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-16);
  color: var(--text-muted);
}

.blog-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.blog-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  color: var(--text-primary);
  letter-spacing: var(--tracking-06);
  margin-bottom: 0.6rem;
  transition: color var(--duration-fast);
}

a.blog-entry:hover .blog-title {
  color: var(--link);
}

.blog-excerpt {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  line-height: var(--leading-relaxed);
  margin-bottom: 0.875rem;
}

.blog-read {
  font-size: var(--text-base-plus);
  font-weight: var(--font-normal);
  letter-spacing: var(--tracking-normal);
  color: var(--link);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s, gap 0.2s;
}

.blog-read:hover {
  color: var(--link-hover);
  gap: var(--space-2);
}

.blog-read svg {
  width: 14px;
  height: 14px;
  padding: 0 0 0.12rem 0;
}

/* Cover image in listing */
.blog-cover {
  margin-bottom: 1.25rem;
  overflow: hidden;
  border-radius: 2px;
}

.blog-cover__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out);
}

a.blog-entry:hover .blog-cover__img {
  transform: scale(1.025);
}

.blog-entry--featured .blog-cover__img {
  height: 280px;
}

/* --- BLOG POST PAGE --- */

.bp-hero {
  position: relative;
  margin-bottom: 0;
}

.bp-hero .back-link {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 10;
  background: var(--overlay-black-55);
  backdrop-filter: blur(6px);
  padding: 0.4rem 0.875rem;
  border-radius: 2px;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-08);
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.2s;
}

.bp-hero .back-link:hover {
  background: var(--overlay-black-75);
}

.bp-hero .back-link svg {
  width: 14px;
  height: 14px;
}

.bp-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 2.5rem 6rem;
}

.bp-header {
  margin-bottom: 3rem;
}

.bp-meta {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.bp-date {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-16);
  color: var(--text-muted);
}

.bp-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-normal);
  letter-spacing: var(--tracking-06);
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: var(--leading-tight);
}

.bp-excerpt {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  line-height: var(--leading-relaxed);
  border-left: 2px solid var(--primary);
  padding-left: 1rem;
}

.bp-body {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  line-height: var(--leading-normal);
}

.bp-body h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  letter-spacing: var(--tracking-06);
  color: var(--text-primary);
  margin: 2.5rem 0 0.75rem;
}

.bp-body h3 {
  font-family: var(--font-display);
  font-size: var(--text-base-plus);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin: 2rem 0 0.5rem;
}

.bp-body p {
  margin-bottom: var(--space-4);
}

/* Spacer paragraphs from renderMarkdown() empty rows — natural height via &nbsp;, p+p adds margin */

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

.bp-body li {
  margin-bottom: 0.4rem;
}

.bp-body strong {
  color: var(--text-primary);
  font-weight: var(--font-medium);
}

.bp-body a {
  color: var(--link);
  text-decoration: underline;
}

.bp-body a:hover {
  color: var(--link-hover);
}

.bp-body blockquote {
  border-left: 2px solid var(--primary);
  padding: 0.5rem 0 0.5rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-style: italic;
}

.bp-body code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--surface-2);
  padding: 0.15em 0.4em;
  border-radius: 2px;
}

.bp-body pre {
  background: var(--surface-2);
  padding: 1.25rem;
  overflow-x: auto;
  border-radius: 2px;
  margin-bottom: 1.25rem;
}

.bp-body pre code {
  background: none;
  padding: 0;
}

/* --- CONTACT PAGE --- */

.contact-layout {
  max-width: 960px;
  margin: 0 auto;
  padding: 8rem 2.5rem 6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}

.contact-intro {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-6);
}

.alt-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-16);
  margin-bottom: var(--space-5);
}

.alt-list {
  list-style: none;
}

.alt-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.alt-item:last-child {
  border-bottom: none;
}

.alt-icon {
  width: 34px;
  height: 34px;
  padding-top: 3px;
  line-height: 29px;
  border-radius: var(--radius-md);
  background: var(--node-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.alt-icon svg {
  width: 16px;
  height: 16px;
  color: var(--white);
}

[data-theme="light"] .alt-icon svg {
  color: var(--n900);
}

.alt-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-14);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.1rem;
}

.alt-value {
  font-size: var(--text-base-plus);
  color: var(--text-primary);
}

.alt-value a {
  color: var(--link);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.alt-value a:hover {
  color: var(--link-hover);
}

.form-panel {
  background: var(--node-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}

.form-panel .n-corner {
  width: 14px;
  height: 14px;
}

.form-panel .n-tl {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.form-panel .n-br {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.form-code {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-18);
  color: var(--link);
  margin-bottom: var(--space-5);
}

.form-group {
  margin-bottom: var(--space-5);
  position: relative;
}

.form-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-18);
  text-transform: uppercase;
  color: var(--link);
  display: block;
  margin-bottom: var(--space-2);
}

[data-theme="dark"] .form-label {
  color: var(--white);
}

.form-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: var(--text-base-plus);
  padding: 0.6rem 0;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 2px 10px var(--glow-sm);
}

.form-input::placeholder {
  color: var(--text-muted);
}

[data-theme="dark"] .form-input:-webkit-autofill,
[data-theme="dark"] .form-input:-webkit-autofill:hover,
[data-theme="dark"] .form-input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px oklch(0.100 0.006 280) inset;
  -webkit-text-fill-color: oklch(0.980 0.006 280);
  transition: background-color 5000s ease-in-out 0s;
}

[data-theme="light"] .form-input:-webkit-autofill,
[data-theme="light"] .form-input:-webkit-autofill:hover,
[data-theme="light"] .form-input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px oklch(0.978 0.007 296) inset;
  -webkit-text-fill-color: oklch(0.100 0.006 280);
  transition: background-color 5000s ease-in-out 0s;
}

textarea.form-input {
  resize: vertical;
  min-height: 90px;
  padding-top: 0.6rem;
}

.form-error {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-06);
  color: var(--secondary);
  margin-top: 0.3rem;
  min-height: 0.85rem;
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.form-error.visible {
  opacity: 1;
}

.honeypot {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
}

.form-actions {
  margin-top: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.form-status {
  font-size: var(--text-sm);
  color: var(--text-muted);
  min-height: 1rem;
}

.form-status.success {
  color: var(--success);
}

/* --- CASE STUDY PAGE --- */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  margin: 5.5rem 0 0 0;
  padding: 0 0 1rem 0;
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-12);
  text-transform: uppercase;
  transition: color var(--duration-fast);
  line-height: var(--text-sm);
}

.back-link:hover {
  color: var(--link);
}

.back-link svg {
  width: 16px;
  height: 16px;
  margin: 0;
  padding: 0 0 0.12rem 0;
  line-height: var(--text-sm);
}

.cs-hero {
  width: 100%;
  max-width: 1100px;
  margin: 1.5rem auto 0;
  padding: 0 2.5rem;
}

.cs-hero-img {
  width: 100%;
  aspect-ratio: 16/7;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-shade-200) 60%,
    var(--primary-grad-mid) 100%
  );
}

.cs-hero-img::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: var(--z-base);
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 24px,
    var(--overlay-white-5) 24px,
    var(--overlay-white-5) 25px
  );
}

.cs-hero-img__label {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-20);
  text-transform: uppercase;
  color: oklch(1 0 0 / 40%);
}

.cs-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 3.5rem 2.5rem 5rem;
}

.cs-title-block {
  margin-bottom: var(--space-6);
}

.cs-code {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-20);
  color: var(--link);
  margin-bottom: 0.6rem;
}

.cs-title {
  font-family: var(--font-display);
  font-weight: var(--font-medium);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--text-primary);
  letter-spacing: var(--tracking-08);
  text-shadow: 0 0 24px var(--glow-sm);
}

.cs-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-7);
}

.cs-meta-item {
  border-left: 2px solid var(--primary);
  padding-left: var(--space-4);
}

.cs-meta-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-16);
  text-transform: uppercase;
  color: var(--link);
  margin-bottom: 0.2rem;
}

.cs-meta-value {
  font-size: var(--text-base-plus);
  color: var(--text-primary);
  font-weight: var(--font-medium);
}

.cs-section {
  margin-bottom: 2.75rem;
}

.cs-section-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-22);
  text-transform: uppercase;
  color: var(--link);
  margin-bottom: var(--space-2);
}

.cs-section-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-4);
}

.cs-text {
  font-size: var(--text-base-plus);
  color: var(--text-body);
  line-height: var(--leading-normal);
}

.cs-text p + p {
  margin-top: var(--space-4);
  font-weight: var(--font-light);
}

.cs-text p {
  font-weight: var(--font-light);
}

[data-theme="light"] .cs-text p,
[data-theme="light"] .cs-text p + p {
  font-weight: var(--font-normal);
}

.cs-img-inline {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.cs-img-inline--s {
  background: linear-gradient(
    135deg,
    var(--secondary) 0%,
    var(--secondary-shade-200) 60%,
    var(--secondary-grad-mid) 100%
  );
}

.cs-img-inline--t {
  background: linear-gradient(
    135deg,
    var(--tertiary) 0%,
    var(--tertiary-shade-200) 60%,
    var(--tertiary-grad-mid) 100%
  );
}

.cs-img-inline::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: var(--z-base);
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 18px,
    var(--overlay-white-5) 18px,
    var(--overlay-white-5) 19px
  );
}

.cs-img-inline__label {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-18);
  text-transform: uppercase;
  color: var(--overlay-white-45);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: 1.75rem 0;
}

.impact-item {
  text-align: center;
  padding: 1.75rem 0.75rem;
  background: var(--node-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.impact-item:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 18px var(--glow-sm);
}

.impact-item .m-tl {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--primary);
  border-left: 2px solid var(--primary);
}

.impact-item .m-br {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 8px;
  height: 8px;
  border-bottom: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
}

[data-theme="light"] .impact-item .m-tl,
[data-theme="light"] .impact-item .m-br {
  opacity: 0.55;
}

.impact-num {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  font-size: var(--text-xl);
  color: var(--link);
  line-height: var(--leading-none);
  text-shadow: 0 0 14px var(--glow-sm);
}

.impact-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-12);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: var(--space-2);
}

.cs-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.cs-nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--duration-fast);
}

.cs-nav-link:hover {
  color: var(--link);
}

.cs-nav-link svg {
  width: 16px;
  height: 16px;
}

.cs-nav-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-14);
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.cs-nav-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-06);
}

/* --- 404 PAGE --- */

.not-found {
  text-align: center;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem;
}

.nf-number {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  font-size: clamp(8rem, 28vw, 20rem);
  line-height: var(--leading-compressed);
  color: var(--watermark);
  position: relative;
  z-index: 0;
  user-select: none;
  text-shadow: 0 0 60px var(--glow-sm);
}

.nf-content {
  position: relative;
  z-index: var(--z-base);
  margin-top: -2rem;
}

.nf-code {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-20);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.nf-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-widest);
  margin-bottom: 0.6rem;
}

.nf-sub {
  color: var(--text-body);
  font-size: var(--text-base-plus);
  margin-bottom: var(--space-6);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--leading-relaxed);
}

.nf-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  margin: 0 auto 2rem;
  box-shadow: 0 0 8px var(--glow);
}

/* ═══════════════════════════════════════════════════════════
   LIGHTBOX MODAL
   ═══════════════════════════════════════════════════════════ */

/* Base Lightbox Container */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  overflow: hidden;
  width: 100%;
  height: 100%;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.lightbox.active {
  pointer-events: auto;
  opacity: 1;
}

/* Backdrop (blurred overlay) */
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: var(--n900);
  opacity: 0.95;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  transition: background var(--duration-slow), opacity var(--duration-slow);
}

[data-theme="light"] .lightbox__backdrop {
  background: var(--bg);
  opacity: 0.92;
}

/* Image Container */
.lightbox__container {
  position: relative;
  z-index: var(--z-base);
  max-width: 90vw;
  max-height: 90vh;
  transform: scale(0.92);
  transition: transform var(--duration-slow) var(--ease-out);
}

.lightbox.active .lightbox__container {
  transform: scale(1);
  transition-delay: 50ms;
}

/* Image */
.lightbox__image {
  display: block;
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 0 60px var(--glow), 0 20px 80px oklch(0 0 0 / 50%);
}

/* Close Button */
.lightbox__close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 2;
  width: 48px;
  height: 48px;
  padding-top: 3px;
  line-height: 43px;
  background: var(--node-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--duration-fast), border-color var(--duration-fast),
    box-shadow var(--duration-fast);
}

.lightbox__close:hover {
  background: var(--overlay-primary-12);
  border-color: var(--border-hover);
  box-shadow: 0 0 22px var(--glow-sm);
}

.lightbox__close:active {
  transform: scale(0.96);
}

.lightbox__close svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
}

/* Loading Spinner */
.lightbox__spinner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast);
}

.lightbox__spinner.visible {
  opacity: 1;
}

.spinner {
  width: 48px;
  height: 48px;
  animation: rotate 1.2s linear infinite;
}

.spinner circle {
  fill: none;
  stroke: var(--primary);
  stroke-width: 4;
  stroke-dasharray: 90, 150;
  stroke-dashoffset: 0;
  stroke-linecap: round;
  animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
  100% {
    transform: rotate(360deg);
  }
}

@keyframes dash {
  0% {
    stroke-dasharray: 1, 150;
    stroke-dashoffset: 0;
  }
  50% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -35;
  }
  100% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -124;
  }
}

/* --- Image Wrapper (clickable trigger) --- */
.cs-img-wrapper {
  display: block;
  width: 100%;
  position: relative;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
}

/* Hover Overlay (expand icon hint) */
.cs-img-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
  border-radius: var(--radius-lg);
}

.cs-img-wrapper:hover .cs-img-overlay,
.cs-img-wrapper:focus-visible .cs-img-overlay {
  opacity: 1;
}

.cs-img-expand-icon {
  width: 48px;
  height: 48px;
  stroke: var(--white);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  filter: drop-shadow(0 0 12px var(--glow));
  transform: scale(1);
  transition: transform var(--duration-normal) var(--ease-out);
}

.cs-img-wrapper:hover .cs-img-expand-icon {
  transform: scale(1.1);
}

/* Focus state for keyboard navigation */
.cs-img-wrapper:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .lightbox,
  .lightbox__container,
  .cs-img-overlay,
  .cs-img-expand-icon {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .lightbox__backdrop {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  .lightbox__close {
    top: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
  }

  .lightbox__image {
    max-width: 95vw;
    max-height: 90vh;
  }

  .cs-img-expand-icon {
    width: 36px;
    height: 36px;
  }
}

.nf-links {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.nf-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-14);
  text-transform: uppercase;
  transition: color var(--duration-fast);
}

.nf-links a:hover {
  color: var(--link);
}

/* ---------------------------------------------------------──
   6. RESPONSIVE STYLES
   ---------------------------------------------------------── */

/* Mobile Navigation */
@media (max-width: 768px) {
  nav[aria-label="Main navigation"] {
    padding: 1rem 1.25rem;
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }
  .nav-resume {
    display: none;
  }
  .hamburger {
    display: flex;
    background: var(--primary);
    border-color: var(--primary);
  }

  .hamburger span {
    background: var(--white);
  }

  /* Match toggle visual size to hamburger on mobile */
  /* Hide square, clip SVG to inner circle only */
  .theme-toggle {
    color: transparent;
  }

  .theme-toggle svg {
    width: 44px;
    height: 44px;
    clip-path: circle(17px at 50% 50%);
  }

  [data-theme="dark"] .theme-toggle .eclipse-bg {
    fill: var(--white);
  }

  [data-theme="light"] .theme-toggle .eclipse-bg {
    fill: var(--n950);
  }

  /* Center Transmit button on mobile */
  .form-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-tagline {
    width: 90%;
  }
}

/* Landscape phones — tighter nav link spacing */
@media (orientation: landscape) and (max-height: 500px) {
  .nav-links {
    gap: var(--space-4);
  }

  .nav-resume {
    margin-left: var(--space-4);
  }
}

@media (min-width: 769px) {
  .hamburger {
    display: none;
  }

  .theme-toggle,
  [data-theme="light"] .theme-toggle {
    color: transparent;
  }

  /* Restore square color only during eclipse animation so the effect is visible */
  .theme-toggle--to-light,
  .theme-toggle--to-dark,
  [data-theme="light"] .theme-toggle--to-light,
  [data-theme="light"] .theme-toggle--to-dark {
    color: var(--primary);
  }

  .theme-toggle svg {
    clip-path: circle(13px at 50% 50%);
  }
}

/* Mobile Footer */
@media (max-width: 768px) {
  footer {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
    padding: 1.5rem;
  }
}

/* Mobile Page Layouts */
@media (max-width: 768px) {
  /* Home Page */
  .hero {
    padding: 7rem 1.5rem 2rem;
    min-height: auto;
  }

  .hero-frame {
    display: none;
  }

  .hero-image {
    width: 100%;
  }

  .systems,
  .metrics,
  .cta,
  .faq-section {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .faq-summary {
    padding: 1.125rem 1.25rem 1.125rem 1.375rem;
  }

  .faq-body__inner {
    padding: 1rem 1.375rem 1.375rem;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-frame {
    padding: 2rem 1.5rem;
    width: 100%;
    box-sizing: border-box;
  }

  .cta-frame .btn-cyber {
    width: 100%;
  }

  /* Works & Blog Pages */
  .page-header,
  .works-content,
  .blog-list {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .bp-content {
    padding: 2rem 1.25rem 4rem;
  }

  .bp-title {
    font-size: var(--text-xl);
  }

  .blog-cover__img {
    height: 180px;
  }

  .blog-entry--featured .blog-cover__img {
    height: 210px;
  }

  /* About Page */
  .bio-section,
  .skills-section,
  .experience,
  .resume-cta {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .exp-list {
    padding-left: 2rem;
  }

  [data-theme="dark"] .exp-list::before,
  [data-theme="light"] .exp-list::before {
    left: 6px;
  }

  .exp-dot {
    left: -1.75rem;
  }

  .resume-cta .cta-frame {
    padding: 2rem 1.5rem;
  }

  /* Contact Page */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--space-7);
    padding: 7rem 1.5rem 5rem;
  }

  /* Case Study Page */
  .back-link {
    margin: 5rem 0 0;
  }

  .cs-hero,
  .cs-content {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .cs-meta {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .impact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ═══════════════════════════════════════════════════════════
   ACCESSIBILITY
   ═══════════════════════════════════════════════════════════ */

/* ---------------------------------------------------------──
   HIGH CONTRAST MODE
   ---------------------------------------------------------── */

@media (prefers-contrast: high) {
  :root {
    --focus-ring: oklch(0 0 0);
    --text-primary: oklch(0 0 0);
    --text-secondary: oklch(0.321 0 0);
    --bg-primary: oklch(1 0 0);
    --link: oklch(0.452 0.313 264);
    --border: oklch(0 0 0);
  }

  * {
    border-color: var(--border) !important;
  }

  a {
    text-decoration: underline !important;
    text-decoration-thickness: 2px !important;
    text-underline-offset: 2px !important;
  }

  button, input, select, textarea {
    border: 2px solid var(--border) !important;
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
  }

  .hero-image,
  .starfield-canvas,
  .hero-bg-effect {
    opacity: 0.3 !important;
  }
}

/* ---------------------------------------------------------──
   FORCED COLORS MODE (WINDOWS HIGH CONTRAST)
   ---------------------------------------------------------── */

@media (forced-colors: active) {
  .skip-link {
    forced-color-adjust: none;
    background: Canvas !important;
    color: CanvasText !important;
    border: 1px solid ButtonText !important;
  }

  *:focus-visible {
    outline: 2px solid Highlight !important;
    outline-offset: 2px !important;
  }

  .hero-bg-effect,
  .starfield-canvas,
  [aria-hidden="true"] {
    forced-color-adjust: none;
    opacity: 0.1 !important;
  }
}

/* ---------------------------------------------------------──
   FORM VALIDATION STATES
   ---------------------------------------------------------── */

.form-input:invalid:not(:focus):not(:placeholder-shown) {
  border-color: oklch(0.575 0.204 29);
}

.form-input:valid:not(:placeholder-shown) {
  border-color: oklch(0.618 0.156 152);
}

.btn-cyber:active {
  transform: translateY(1px);
}

/* ---------------------------------------------------------──
   SCREEN READER ONLY UTILITY
   ---------------------------------------------------------── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sr-only:focus {
  position: absolute;
  width: auto;
  height: auto;
  padding: 0.5rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 2px solid var(--focus-ring);
  z-index: 999999;
}

/* ---------------------------------------------------------──
   PRINT
   ---------------------------------------------------------── */

@media print {
  .hero-bg-effect,
  .starfield-canvas {
    display: none !important;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: oklch(0.51 0 0);
  }

  .skip-link,
  .nav-resume,
  .hamburger,
  .theme-toggle {
    display: none !important;
  }
}

/* ─── SHIMMER-IMG WEB COMPONENT ──────────────────────────────────────────── */

:root {
  --shimmer-base:      var(--n900);
  --shimmer-highlight: var(--n800);
}

[data-theme="light"] {
  --shimmer-base:      var(--n200);
  --shimmer-highlight: var(--n100);
}

shimmer-img {
  display: block;
  position: relative;
  overflow: hidden;
}

shimmer-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    var(--shimmer-base) 25%,
    var(--shimmer-highlight) 50%,
    var(--shimmer-base) 75%
  );
  background-size: 200% 100%;
  animation: shimmer-sweep 1.4s infinite;
  z-index: 1;
  opacity: 0;
  pointer-events: none;
}

shimmer-img.is-loading::before {
  opacity: 1;
}

shimmer-img img {
  display: block;
  opacity: 0;
  transition: opacity 0.3s ease;
}

shimmer-img.is-loaded img {
  opacity: 1;
}

shimmer-img.is-error img {
  display: none;
}

@keyframes shimmer-sweep {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  shimmer-img::before {
    animation: none;
    background: var(--shimmer-base);
  }
  shimmer-img img {
    transition: none;
  }
}

/* ── Context overrides ── */

/* Gallery cards: shimmer-img fills card-img absolutely */
.card-img shimmer-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* About portrait: shimmer-img fills panel--photo absolutely,
   and overrides portrait-img z-index so shimmer::before (z:1) sits above img (z:0) */
.panel--photo shimmer-img {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.panel--photo shimmer-img img {
  z-index: 0;
}

/* Works/Blog image wrapper: inherit border-radius */
.cs-img-wrapper shimmer-img {
  border-radius: var(--radius-lg);
}

/* cs-img-inline: margin moved from img to shimmer-img modifier */
shimmer-img.si-inline {
  margin: 1.75rem 0;
}

/* Gallery lightbox shimmer wrapper — replaces gl-image layout properties */
.gl-shimmer {
  flex: 0 0 auto;
  width: calc(100% - var(--space-5));
  margin: 0 calc(var(--space-5) / 2) var(--space-5);
  min-height: 80px;
  max-height: 55vh;
  background: oklch(0.08 0.02 280);
  border-radius: var(--radius-sm);
}

.gl-shimmer img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}