/* =============================================================================
   styles.css — Amit Kumar Singh portfolio
   Hand-coded HTML/CSS/JS. No frameworks, no build step.

   Sections:
     1. Design tokens (custom properties)
     2. Theme overrides (light)
     3. Resets & box model
     4. Base typography
     5. Links & selection
     6. Media defaults
     7. Form defaults
     8. Focus states & accessibility
     9. Layout primitives (container, reading-width)
    10. Utility classes
    11. Reduced motion
   ============================================================================= */


/* -----------------------------------------------------------------------------
   1. Design tokens — dark theme is the default
   ----------------------------------------------------------------------------- */
:root {
  /* Surface */
  --bg: #0B0D10;
  --bg-elevated: #14171C;
  --bg-overlay: rgba(11, 13, 16, 0.72);
  --border: #1F2329;
  --border-strong: #2A2F36;

  /* Text */
  --text-primary: #E6E8EB;
  --text-secondary: #9AA0A6;
  --text-muted: #6B7280;
  --text-inverted: #0B0D10;

  /* Accent */
  --accent: #7C5CFF;
  --accent-hover: #9277FF;
  --accent-soft: rgba(124, 92, 255, 0.12);
  --accent-ring: rgba(124, 92, 255, 0.35);

  /* Semantic */
  --success: #22C55E;
  --success-soft: rgba(34, 197, 94, 0.16);
  --danger: #EF4444;

  /* Typography — families */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* Typography — scale (12 → 64) */
  --fs-12: 0.75rem;
  --fs-14: 0.875rem;
  --fs-16: 1rem;
  --fs-18: 1.125rem;
  --fs-20: 1.25rem;
  --fs-24: 1.5rem;
  --fs-32: 2rem;
  --fs-48: 3rem;
  --fs-64: 4rem;

  /* Typography — weights */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Typography — line-heights */
  --lh-tight: 1.1;
  --lh-display: 1.2;
  --lh-body: 1.5;
  --lh-prose: 1.7;

  /* Typography — tracking */
  --tracking-display: -0.02em;
  --tracking-tight: -0.01em;
  --tracking-normal: 0;
  --tracking-wide: 0.08em;

  /* Spacing — 8pt grid */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;
  --space-32: 128px;

  /* Layout */
  --content-max: 1100px;
  --reading-max: 720px;
  --gutter: 24px;
  --section-y: 96px;
  --section-y-mobile: 64px;
  --header-h: 64px;

  /* Radius */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  /* Shadow (used sparingly on dark) */
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.18);
  --shadow-2: 0 8px 24px rgba(0, 0, 0, 0.28);
  --shadow-3: 0 24px 64px rgba(0, 0, 0, 0.45);

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 120ms;
  --dur: 200ms;
  --dur-slow: 400ms;

  /* Z-index */
  --z-header: 50;
  --z-overlay: 80;
  --z-modal: 100;

  color-scheme: dark;
}


/* -----------------------------------------------------------------------------
   2. Light theme overrides
   ----------------------------------------------------------------------------- */
[data-theme="light"] {
  --bg: #FAFAFA;
  --bg-elevated: #FFFFFF;
  --bg-overlay: rgba(250, 250, 250, 0.78);
  --border: #E5E7EB;
  --border-strong: #D1D5DB;

  --text-primary: #0B0D10;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --text-inverted: #FAFAFA;

  --accent: #6D44FF;
  --accent-hover: #5A31F0;
  --accent-soft: rgba(109, 68, 255, 0.10);
  --accent-ring: rgba(109, 68, 255, 0.32);

  --shadow-1: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-2: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-3: 0 24px 64px rgba(15, 23, 42, 0.12);

  color-scheme: light;
}


/* -----------------------------------------------------------------------------
   3. Resets & box model
   ----------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  letter-spacing: var(--tracking-normal);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-synthesis-weight: none;
  /* Smooth theme switch */
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}


/* -----------------------------------------------------------------------------
   4. Base typography
   ----------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-display);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  text-wrap: balance;
}

h1 {
  font-size: clamp(var(--fs-32), 5vw + 1rem, var(--fs-64));
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  font-weight: var(--fw-bold);
}

h2 {
  font-size: clamp(var(--fs-24), 2.4vw + 1rem, var(--fs-48));
  letter-spacing: var(--tracking-display);
}

h3 {
  font-size: clamp(var(--fs-20), 1.2vw + 1rem, var(--fs-32));
}

h4 {
  font-size: var(--fs-20);
}

h5 {
  font-size: var(--fs-18);
}

h6 {
  font-size: var(--fs-16);
}

p {
  font-size: var(--fs-16);
  line-height: var(--lh-body);
  color: var(--text-secondary);
  text-wrap: pretty;
}

small {
  font-size: var(--fs-14);
}

strong, b {
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
}

em, i {
  font-style: italic;
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

code {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
  color: var(--text-primary);
}

pre {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  overflow-x: auto;
  line-height: var(--lh-body);
}

pre code {
  background: none;
  border: none;
  padding: 0;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6em;
  padding: 0.1em 0.45em;
  font-size: 0.82em;
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: var(--radius-sm);
}

ul, ol {
  list-style-position: outside;
  padding-left: 1.25rem;
}

li {
  color: var(--text-secondary);
}

li + li {
  margin-top: var(--space-2);
}

blockquote {
  border-left: 2px solid var(--accent);
  padding-left: var(--space-4);
  color: var(--text-secondary);
  font-style: italic;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin-block: var(--space-8);
}


/* -----------------------------------------------------------------------------
   5. Links & selection
   ----------------------------------------------------------------------------- */
a {
  color: var(--text-primary);
  text-decoration: none;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

a:hover {
  color: var(--accent);
}

::selection {
  background: var(--accent-soft);
  color: var(--text-primary);
}


/* -----------------------------------------------------------------------------
   6. Media defaults — prevent layout shift, lazy-friendly
   ----------------------------------------------------------------------------- */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

img {
  font-style: italic;
  background-repeat: no-repeat;
  background-size: cover;
  shape-margin: 1rem;
}

svg {
  fill: currentColor;
  flex-shrink: 0;
}


/* -----------------------------------------------------------------------------
   7. Form defaults
   ----------------------------------------------------------------------------- */
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

button {
  cursor: pointer;
  background: none;
  -webkit-appearance: none;
  appearance: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

textarea {
  resize: vertical;
}


/* -----------------------------------------------------------------------------
   8. Focus states & accessibility
   ----------------------------------------------------------------------------- */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip-to-content link — first focusable element on every page. */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  z-index: var(--z-modal);
  padding: var(--space-2) var(--space-4);
  background: var(--accent);
  color: #fff;
  font-weight: var(--fw-medium);
  border-radius: var(--radius);
  transition: top var(--dur) var(--ease);
}

.skip-link:focus-visible {
  top: var(--space-4);
  outline-offset: 3px;
}

/* Visually hidden but available to screen readers. */
.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;
}


/* -----------------------------------------------------------------------------
   9. Layout primitives
   ----------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--reading {
  max-width: var(--reading-max);
}

main {
  display: block;
  min-height: calc(100vh - var(--header-h));
}

section {
  padding-block: var(--section-y);
}

@media (max-width: 720px) {
  section {
    padding-block: var(--section-y-mobile);
  }
}


/* -----------------------------------------------------------------------------
   10. Utility classes (kept tiny and intentional)
   ----------------------------------------------------------------------------- */
.mono {
  font-family: var(--font-mono);
  font-feature-settings: "ss01", "cv01";
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-muted);
}

.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }


/* -----------------------------------------------------------------------------
   11. Reduced motion — respect user preference globally
   ----------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* =============================================================================
   COMPONENTS
   ============================================================================= */


/* -----------------------------------------------------------------------------
   12. Buttons
   ----------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 44px;
  padding: 0 var(--space-6);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  letter-spacing: 0;
  white-space: nowrap;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

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

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

.btn .icon {
  width: 16px;
  height: 16px;
}

.btn--primary {
  background: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
}
.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #FFFFFF;
}

.btn--ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.btn--sm { height: 36px; padding: 0 var(--space-4); font-size: var(--fs-14); }

.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius);
  color: var(--text-secondary);
  border-color: transparent;
}
.btn--icon:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}
.btn--icon .icon { width: 18px; height: 18px; }


/* -----------------------------------------------------------------------------
   13. Pills, tags, kbd-shortcut
   ----------------------------------------------------------------------------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 26px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.pill--accent {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: transparent;
}

.kbd-hint {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
}
.kbd-hint kbd {
  font-size: 11px;
  padding: 1px 5px;
  min-width: 18px;
}


/* -----------------------------------------------------------------------------
   14. Status indicator (pulsing dot pill)
   ----------------------------------------------------------------------------- */
.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 28px;
  padding: 0 12px 0 10px;
  border-radius: var(--radius-pill);
  background: var(--success-soft);
  border: 1px solid transparent;
  color: var(--text-primary);
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
}

.status--inline {
  vertical-align: middle;
  margin-right: var(--space-2);
}

.status__dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
}
.status__dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--success);
  opacity: 0.5;
  animation: status-pulse 2s var(--ease) infinite;
}

@keyframes status-pulse {
  0%   { transform: scale(0.6); opacity: 0.6; }
  70%  { transform: scale(1.4); opacity: 0; }
  100% { transform: scale(1.4); opacity: 0; }
}


/* -----------------------------------------------------------------------------
   15. Site header (sticky, blur on scroll)
   ----------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    backdrop-filter var(--dur) var(--ease);
}

.site-header.is-scrolled {
  background: var(--bg-overlay);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
          backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 100%;
}

.site-header__logo {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  letter-spacing: 0;
  padding: var(--space-2) 0;
}
.site-header__logo:hover { color: var(--accent); }

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-14);
  color: var(--text-secondary);
  font-weight: var(--fw-medium);
}
.site-nav__link:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}
.site-nav__link.is-active {
  color: var(--text-primary);
}
.site-nav__link.is-active::after {
  content: "";
  display: block;
  width: 4px;
  height: 4px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: var(--space-2);
  padding-left: var(--space-2);
  border-left: 1px solid var(--border);
}

.cmdk-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 36px;
  padding: 0 var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: var(--fs-12);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.cmdk-trigger:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.cmdk-trigger .icon { width: 14px; height: 14px; }

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-primary);
}
.hamburger:hover { background: var(--bg-elevated); }
.hamburger .icon { width: 20px; height: 20px; }


/* -----------------------------------------------------------------------------
   16. Mobile nav overlay
   ----------------------------------------------------------------------------- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--bg);
  padding: 0 var(--gutter);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    visibility 0s linear var(--dur);
}
.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    visibility 0s;
}

.mobile-nav__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: var(--space-12) 0 var(--space-8) 0;
}
.mobile-nav__link {
  display: block;
  font-size: var(--fs-32);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-display);
  color: var(--text-primary);
  padding: var(--space-2) 0;
}
.mobile-nav__link:hover { color: var(--accent); }

.mobile-nav__footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

/* Lock body scroll when overlay is open */
body.is-locked { overflow: hidden; }


/* -----------------------------------------------------------------------------
   17. Site footer
   ----------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: var(--space-24);
  padding-block: var(--space-16) var(--space-8);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.4fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--border);
}

.site-footer__col h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.site-footer__list a {
  color: var(--text-secondary);
  font-size: var(--fs-14);
}
.site-footer__list a:hover { color: var(--text-primary); }

.site-footer__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  line-height: var(--lh-body);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  flex-wrap: wrap;
}


/* -----------------------------------------------------------------------------
   18. Theme toggle (icon button with sun/moon swap)
   ----------------------------------------------------------------------------- */
.theme-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-secondary);
}
.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}
.theme-toggle .icon { width: 18px; height: 18px; }

/* Show moon by default (dark theme); swap to sun when light theme is active. */
.theme-toggle .icon--sun { display: none; }
.theme-toggle .icon--moon { display: block; }

[data-theme="light"] .theme-toggle .icon--sun { display: block; }
[data-theme="light"] .theme-toggle .icon--moon { display: none; }


/* -----------------------------------------------------------------------------
   Responsive — header & footer
   ----------------------------------------------------------------------------- */
@media (max-width: 860px) {
  .site-header__nav { display: none; }
  .hamburger { display: inline-flex; }
  .cmdk-trigger { display: none; }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .site-footer__col--meta { grid-column: 1 / -1; }
}

@media (max-width: 540px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}


/* =============================================================================
   HOMEPAGE
   ============================================================================= */


/* -----------------------------------------------------------------------------
   19. Section head — heading on the left, "view all" link on the right
   ----------------------------------------------------------------------------- */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}
.section-head__title {
  font-size: clamp(var(--fs-24), 1.6vw + 1rem, var(--fs-32));
  letter-spacing: var(--tracking-display);
}
.section-head__link {
  color: var(--text-secondary);
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  flex-shrink: 0;
}
.section-head__link:hover { color: var(--accent); }


/* -----------------------------------------------------------------------------
   20. Hero
   ----------------------------------------------------------------------------- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-block: var(--space-16) var(--space-12);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-8);
  width: 100%;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero__media {
  display: flex;
  justify-content: center;
  order: -1;
}
.hero__media img {
  width: 100%;
  max-width: 280px;
  height: auto;
}

@media (min-width: 860px) {
  .hero__grid {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-12);
  }
  .hero__media {
    order: 0;
    justify-content: flex-end;
  }
  .hero__media img {
    max-width: 420px;
  }
}

.hero__title {
  /* 40px mobile → 64px desktop, line-height tight, display tracking. */
  font-size: clamp(40px, 5.4vw + 1rem, 64px);
  line-height: 1.05;
  letter-spacing: var(--tracking-display);
  font-weight: var(--fw-bold);
  max-width: 14ch;
  text-wrap: balance;
}
.hero__title .accent { color: var(--accent); }

.hero__sub {
  font-size: clamp(var(--fs-16), 0.6vw + 1rem, var(--fs-20));
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.55;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--fs-14);
  color: var(--text-muted);
}
.hero__contact a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
}
.hero__contact a:hover { color: var(--accent); }
.hero__contact .icon { width: 14px; height: 14px; }

.hero__status-row { margin-top: var(--space-6); }


/* -----------------------------------------------------------------------------
   21. Trust strip — 6 metrics, mono numbers
   ----------------------------------------------------------------------------- */
.trust-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: var(--space-12);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
}

.trust-cell { display: flex; flex-direction: column; gap: 6px; }

.trust-cell__num {
  font-family: var(--font-mono);
  font-size: clamp(var(--fs-24), 1.6vw + 0.5rem, var(--fs-32));
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.trust-cell__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

@media (max-width: 720px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
}


/* -----------------------------------------------------------------------------
   22. Featured work — asymmetric grid
   ----------------------------------------------------------------------------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

/* Used on /work.html where the cases sit directly under the page-header
   and don't need the global section padding. */
.featured-work--flush { padding-block: 0 var(--space-24); }

.card-work {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.card-work:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  color: var(--text-primary);
}
.card-work:hover .card-work__title { color: var(--accent); }
.card-work:hover .card-work__cta { color: var(--accent); }

/* Cover panel — CSS-painted abstract identity, no real image needed.
   Each card gets a different gradient/glyph via [data-cover]. */
.card-work__cover {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  padding: var(--space-6);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  isolation: isolate;
}
.card-work__cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 0% 0%, var(--accent-soft), transparent 55%),
    radial-gradient(80% 60% at 100% 100%, rgba(34, 197, 94, 0.08), transparent 60%);
  z-index: -2;
}
.card-work__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(230, 232, 235, 0.06) 1px, transparent 0);
  background-size: 22px 22px;
  z-index: -1;
}
[data-theme="light"] .card-work__cover::after {
  background-image: radial-gradient(circle at 1px 1px, rgba(11, 13, 16, 0.07) 1px, transparent 0);
}

.card-work__cover-glyph {
  font-family: var(--font-mono);
  font-size: clamp(36px, 4vw, 64px);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-display);
  color: var(--text-primary);
  text-align: center;
}
.card-work__cover-glyph .accent { color: var(--accent); }
.card-work__cover-tag {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.card-work__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  flex: 1;
}
.card-work__title {
  font-size: var(--fs-20);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: 1.3;
  color: var(--text-primary);
  transition: color var(--dur) var(--ease);
}
.card-work__desc {
  color: var(--text-secondary);
  font-size: var(--fs-14);
  line-height: 1.55;
}
.card-work__metric {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--accent);
  margin-top: var(--space-2);
}
.card-work__cta {
  font-size: var(--fs-14);
  color: var(--text-muted);
  font-weight: var(--fw-medium);
  margin-top: auto;
  padding-top: var(--space-2);
  transition: color var(--dur) var(--ease);
}

/* Featured (largest) card — full row, image left, text right */
.card-work--feature { grid-column: 1 / -1; flex-direction: row; }
.card-work--feature .card-work__cover {
  flex: 0 0 50%;
  aspect-ratio: auto;
  min-height: 320px;
  border-bottom: none;
  border-right: 1px solid var(--border);
}
.card-work--feature .card-work__body {
  padding: var(--space-8);
  justify-content: center;
}
.card-work--feature .card-work__title {
  font-size: clamp(var(--fs-20), 1.4vw + 1rem, var(--fs-24));
}
.card-work--feature .card-work__cover-glyph { font-size: clamp(48px, 5vw, 72px); }

@media (max-width: 860px) {
  .work-grid { grid-template-columns: 1fr; }
  .card-work--feature { flex-direction: column; }
  .card-work--feature .card-work__cover {
    flex: 1 1 auto;
    aspect-ratio: 16 / 9;
    min-height: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .card-work--feature .card-work__body { padding: var(--space-6); }
}

.pill-row {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}


/* -----------------------------------------------------------------------------
   23. Skills — "How I Build" 3-column grid
   ----------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.skill-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.skill-group__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
}
.skill-group__items {
  color: var(--text-primary);
  line-height: 1.7;
  font-size: var(--fs-16);
}
.skill-group__items::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
  margin-bottom: var(--space-2);
}

@media (max-width: 860px) {
  .skills-grid { grid-template-columns: 1fr; gap: var(--space-6); }
}


/* -----------------------------------------------------------------------------
   24. About preview — 2-column with monogram tile
   ----------------------------------------------------------------------------- */
.about-preview {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-12);
  align-items: start;
}
.about-preview__monogram {
  aspect-ratio: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: clamp(56px, 6vw, 88px);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}
.about-preview__monogram::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 60% at 30% 20%, var(--accent-soft), transparent 60%);
}
.about-preview__monogram > span { position: relative; z-index: 1; }

.about-preview__body p { font-size: var(--fs-16); }
.about-preview__body p + p { margin-top: var(--space-4); }

.about-preview__cta {
  display: inline-block;
  margin-top: var(--space-6);
  color: var(--text-secondary);
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
}
.about-preview__cta:hover { color: var(--accent); }

@media (max-width: 720px) {
  .about-preview { grid-template-columns: 1fr; gap: var(--space-6); }
  .about-preview__monogram { width: 180px; }
}


/* -----------------------------------------------------------------------------
   25. Posts — grid of post cards
   ----------------------------------------------------------------------------- */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.card-post {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.card-post:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.card-post:hover .card-post__title { color: var(--accent); }
.card-post__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  display: flex;
  gap: var(--space-3);
}
.card-post__title {
  font-size: var(--fs-18);
  font-weight: var(--fw-semibold);
  line-height: 1.35;
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  transition: color var(--dur) var(--ease);
}
.card-post__excerpt {
  color: var(--text-secondary);
  font-size: var(--fs-14);
  line-height: 1.55;
  flex: 1;
}

@media (max-width: 860px) {
  .posts-grid { grid-template-columns: 1fr; }
}


/* -----------------------------------------------------------------------------
   26. Final CTA — centered band
   ----------------------------------------------------------------------------- */
.cta-final {
  text-align: center;
  padding-block: var(--space-24);
  border-top: 1px solid var(--border);
}
.cta-final__title {
  max-width: 640px;
  margin: 0 auto var(--space-4);
  font-size: clamp(var(--fs-32), 3vw + 1rem, var(--fs-48));
  letter-spacing: var(--tracking-display);
}
.cta-final__sub {
  max-width: 580px;
  margin: 0 auto var(--space-8);
  color: var(--text-secondary);
  font-size: var(--fs-18);
  line-height: 1.55;
}
.cta-final__buttons {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}


/* =============================================================================
   READING-WIDTH PAGES (about, work, contact, writing, uses, case studies)
   ============================================================================= */


/* -----------------------------------------------------------------------------
   27. Page header — eyebrow + h1 + sub
   ----------------------------------------------------------------------------- */
.page-header {
  padding-block: var(--space-16) var(--space-8);
}
.page-header__eyebrow {
  color: var(--text-muted);
}
.page-header__title {
  font-size: clamp(40px, 4vw + 1rem, 56px);
  margin-top: var(--space-4);
  letter-spacing: var(--tracking-display);
  line-height: 1.05;
}
.page-header__sub {
  color: var(--text-secondary);
  font-size: clamp(var(--fs-16), 0.4vw + 1rem, var(--fs-20));
  max-width: 620px;
  margin-top: var(--space-4);
  line-height: 1.55;
}


/* -----------------------------------------------------------------------------
   28. Prose — long-form reading layout
   ----------------------------------------------------------------------------- */
.prose {
  font-size: var(--fs-16);
  line-height: var(--lh-prose);
}
.prose p { color: var(--text-secondary); }
.prose p + p { margin-top: var(--space-4); }
.prose .lead {
  font-size: clamp(var(--fs-18), 0.4vw + 1rem, var(--fs-20));
  color: var(--text-primary);
  line-height: 1.55;
}
.prose strong { color: var(--text-primary); }
.prose a { color: var(--text-primary); text-decoration: underline; text-decoration-color: var(--accent); }
.prose a:hover { color: var(--accent); }
.prose ul, .prose ol { color: var(--text-secondary); padding-left: 1.5rem; }
.prose li + li { margin-top: var(--space-2); }

.prose-section {
  padding-block: var(--space-12);
  border-top: 1px solid var(--border);
}
.prose-section--first { border-top: none; padding-top: 0; }
.prose-section__title {
  font-size: var(--fs-24);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-6);
}


/* -----------------------------------------------------------------------------
   29. Career timeline — vertical with accent dots
   ----------------------------------------------------------------------------- */
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--border);
}
.timeline__item {
  position: relative;
  padding-left: var(--space-8);
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
}
.timeline__when {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.timeline__where {
  font-size: var(--fs-18);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-top: 4px;
  letter-spacing: var(--tracking-tight);
}
.timeline__role {
  color: var(--text-secondary);
  font-size: var(--fs-14);
  margin-top: 4px;
  font-family: var(--font-mono);
}


/* -----------------------------------------------------------------------------
   30. Strengths — title + paragraph blocks separated by hairlines
   ----------------------------------------------------------------------------- */
.strengths {
  display: flex;
  flex-direction: column;
}
.strength {
  padding-block: var(--space-6);
}
.strength + .strength { border-top: 1px solid var(--border); }
.strength:first-child { padding-top: 0; }
.strength__title {
  font-size: var(--fs-18);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-tight);
}
.strength__body {
  color: var(--text-secondary);
  line-height: 1.6;
}


/* -----------------------------------------------------------------------------
   31. Philosophy — left-bordered list of one-liners
   ----------------------------------------------------------------------------- */
.philosophy {
  list-style: none;
  padding: 0 0 0 var(--space-6);
  margin: 0;
  border-left: 2px solid var(--accent);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.philosophy li {
  color: var(--text-primary);
  font-size: var(--fs-18);
  line-height: 1.5;
  font-weight: var(--fw-medium);
  margin: 0;
}


/* -----------------------------------------------------------------------------
   32. "Now" callout — small bordered box
   ----------------------------------------------------------------------------- */
.now-callout {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  align-items: flex-start;
}
.now-callout__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  flex-shrink: 0;
  padding-top: 4px;
}
.now-callout__body {
  color: var(--text-secondary);
  font-size: var(--fs-14);
  line-height: 1.65;
  margin: 0;
}
.now-callout__body strong { color: var(--text-primary); font-weight: var(--fw-medium); }

@media (max-width: 540px) {
  .now-callout { flex-direction: column; gap: var(--space-2); }
  .now-callout__label { padding-top: 0; }
}


/* -----------------------------------------------------------------------------
   33. Page CTA — bottom-of-page link with rule
   ----------------------------------------------------------------------------- */
.page-cta {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.page-cta__text {
  color: var(--text-secondary);
  font-size: var(--fs-14);
}
.page-cta__link {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--text-primary);
  font-weight: var(--fw-medium);
}
.page-cta__link:hover { color: var(--accent); }


/* =============================================================================
   CASE STUDY TEMPLATE
   ============================================================================= */


/* -----------------------------------------------------------------------------
   34. Case header — eyebrow, title, sub, mono meta row
   ----------------------------------------------------------------------------- */
.case-header {
  padding-block: var(--space-16) var(--space-6);
}
.case-meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-top: var(--space-6);
  line-height: 1.6;
}


/* -----------------------------------------------------------------------------
   35. Case figure — placeholder visual + caption
   ----------------------------------------------------------------------------- */
.case-figure {
  margin: 0 0 var(--space-4) 0;
}
.case-figure + .case-figure { margin-top: var(--space-8); }

.case-figure__visual {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  padding: var(--space-6);
  overflow: hidden;
  isolation: isolate;
}
.case-figure__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 0% 0%, var(--accent-soft), transparent 55%),
    radial-gradient(80% 60% at 100% 100%, rgba(34, 197, 94, 0.08), transparent 60%);
  z-index: -2;
}
.case-figure__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(230, 232, 235, 0.06) 1px, transparent 0);
  background-size: 22px 22px;
  z-index: -1;
}
[data-theme="light"] .case-figure__visual::after {
  background-image: radial-gradient(circle at 1px 1px, rgba(11, 13, 16, 0.07) 1px, transparent 0);
}

.case-figure__placeholder {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 80%;
}

.case-figure__caption {
  margin-top: var(--space-3);
  font-size: var(--fs-14);
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.55;
}

.case-figure--hero { margin-bottom: var(--space-8); }


/* -----------------------------------------------------------------------------
   36. Metric grid — Impact section, big mono numbers
   ----------------------------------------------------------------------------- */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.metric-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.metric-card__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 2.4vw + 0.5rem, 40px);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  letter-spacing: var(--tracking-display);
  line-height: 1.1;
  margin: 0;
}
.metric-card__num .accent { color: var(--accent); }
.metric-card__label {
  font-size: var(--fs-14);
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 720px) {
  .metric-grid { grid-template-columns: 1fr; }
}


/* -----------------------------------------------------------------------------
   37. Case pagination — prev / next at end of case study
   ----------------------------------------------------------------------------- */
.case-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
}
.case-pagination--next-only,
.case-pagination--prev-only { grid-template-columns: 1fr; }

.case-pagination__prev,
.case-pagination__next {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-4) var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}
.case-pagination__prev:hover,
.case-pagination__next:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.case-pagination__prev:hover .case-pagination__title,
.case-pagination__next:hover .case-pagination__title { color: var(--accent); }

.case-pagination__next { text-align: right; }

.case-pagination__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.case-pagination__title {
  font-size: var(--fs-16);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  transition: color var(--dur) var(--ease);
}

@media (max-width: 540px) {
  .case-pagination { grid-template-columns: 1fr; }
}


/* =============================================================================
   WRITING / USES / CONTACT / 404
   ============================================================================= */


/* -----------------------------------------------------------------------------
   38. Writing — row-style post list
   ----------------------------------------------------------------------------- */
.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.post-list__item {
  border-bottom: 1px solid var(--border);
}
.post-list__item:first-child { border-top: 1px solid var(--border); }

.post-list__link {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: var(--space-6);
  align-items: baseline;
  padding: var(--space-4) 0;
  color: var(--text-secondary);
  transition: color var(--dur) var(--ease);
}
.post-list__link:hover { color: var(--text-primary); }
.post-list__link:hover .post-list__title { color: var(--accent); }
.post-list__link:hover .post-list__arrow { transform: translateX(3px); color: var(--accent); }

.post-list__date {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.post-list__title {
  font-size: var(--fs-18);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: 1.4;
  transition: color var(--dur) var(--ease);
}
.post-list__time {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
}
.post-list__arrow {
  display: none;
  font-size: var(--fs-16);
  color: var(--text-muted);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

@media (max-width: 540px) {
  .post-list__link {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: var(--space-3) 0;
  }
  .post-list__time { display: none; }
}

/* Year section header (if grouping is needed) */
.post-year {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-top: var(--space-12);
  margin-bottom: var(--space-2);
}
.post-year__label {
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  color: var(--text-primary);
  letter-spacing: var(--tracking-display);
  font-weight: var(--fw-medium);
}
.post-year__count {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}


/* -----------------------------------------------------------------------------
   39. Uses — section + item rows
   ----------------------------------------------------------------------------- */
.uses-section { margin-top: var(--space-12); }
.uses-section:first-of-type { margin-top: 0; }

.uses-section__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
  display: block;
}

.uses-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.uses-list__item {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-16);
  line-height: 1.55;
  color: var(--text-secondary);
}
.uses-list__item strong {
  color: var(--text-primary);
  font-weight: var(--fw-medium);
  margin-right: var(--space-2);
}


/* -----------------------------------------------------------------------------
   40. Contact — 3-card row, "what I'm looking for" + "what I bring"
   ----------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.contact-card:hover { border-color: var(--border-strong); }

.contact-card__icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  margin-bottom: var(--space-2);
}

.contact-card__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
}
.contact-card__value {
  font-size: var(--fs-16);
  color: var(--text-primary);
  word-break: break-word;
  font-weight: var(--fw-medium);
}
.contact-card__action {
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-14);
  color: var(--text-secondary);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
  background: none;
  border: 0;
  padding: 0;
  align-self: flex-start;
  font-family: var(--font-sans);
}
.contact-card__action:hover { color: var(--accent); }
.contact-card__action .icon { width: 14px; height: 14px; }
.contact-card__action[data-copied="true"] { color: var(--success); }
.contact-card__action[data-copied="true"]:hover { color: var(--success); }
/* Show "copied" icon when active. */
.contact-card__action .icon--check { display: none; }
.contact-card__action[data-copied="true"] .icon--copy { display: none; }
.contact-card__action[data-copied="true"] .icon--check { display: inline-block; }

@media (max-width: 720px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
}
.contact-detail__col h3 {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
  font-weight: var(--fw-medium);
}
.contact-detail__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.contact-detail__list li {
  padding: var(--space-2) 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-14);
  line-height: 1.55;
}
.contact-detail__list li:last-child { border-bottom: none; }

@media (max-width: 720px) {
  .contact-detail { grid-template-columns: 1fr; gap: var(--space-6); }
}

.contact-resume {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.contact-resume__text { color: var(--text-secondary); font-size: var(--fs-14); }


/* -----------------------------------------------------------------------------
   41. 404 page
   ----------------------------------------------------------------------------- */
.error-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  text-align: center;
  padding-block: var(--space-12);
}
.error-page__code {
  font-family: var(--font-mono);
  font-size: clamp(96px, 18vw, 200px);
  color: var(--text-muted);
  line-height: 0.9;
  letter-spacing: var(--tracking-display);
  font-weight: var(--fw-medium);
  margin: 0;
}
.error-page__code .accent { color: var(--accent); }
.error-page__msg {
  font-size: var(--fs-18);
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0;
  line-height: 1.55;
}
.error-page__back {
  margin-top: var(--space-4);
}


/* =============================================================================
   COMMAND PALETTE & SCROLL REVEALS
   ============================================================================= */


/* -----------------------------------------------------------------------------
   42. Command palette (Cmd-K) — DOM is injected by main.js on demand
   ----------------------------------------------------------------------------- */
.cmdk {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(48px, 12vh, 120px) var(--space-4) var(--space-4);
}
.cmdk.is-open { display: flex; }

.cmdk__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(8px);
          backdrop-filter: blur(8px);
  animation: cmdk-fade 160ms var(--ease) both;
}
[data-theme="light"] .cmdk__backdrop { background: rgba(15, 23, 42, 0.32); }

.cmdk__card {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: min(540px, 80vh);
  animation: cmdk-slide 200ms var(--ease) both;
}

.cmdk__input-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.cmdk__input-row .icon { width: 18px; height: 18px; color: var(--text-muted); flex-shrink: 0; }

.cmdk__input {
  flex: 1;
  background: none;
  border: 0;
  outline: 0;
  color: var(--text-primary);
  font-size: var(--fs-16);
  font-family: var(--font-sans);
  min-width: 0;
}
.cmdk__input::placeholder { color: var(--text-muted); }

.cmdk__list {
  list-style: none;
  padding: var(--space-2);
  margin: 0;
  overflow-y: auto;
  flex: 1;
}

.cmdk__group {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
  padding: var(--space-3) var(--space-3) var(--space-2);
}
.cmdk__group:first-child { padding-top: var(--space-2); }

.cmdk__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text-primary);
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.cmdk__item.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}
.cmdk__item .icon { width: 16px; height: 16px; color: var(--text-muted); flex-shrink: 0; }
.cmdk__item.is-active .icon { color: var(--accent); }
.cmdk__item-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cmdk__item-hint {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  flex-shrink: 0;
}
.cmdk__item.is-active .cmdk__item-hint { color: var(--accent); }

.cmdk__empty {
  padding: var(--space-12) var(--space-4);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-14);
}

.cmdk__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-muted);
  gap: var(--space-3);
  flex-wrap: wrap;
  flex-shrink: 0;
}
.cmdk__footer .kbd-hint { gap: 4px; }
.cmdk__footer-group { display: inline-flex; align-items: center; gap: var(--space-2); }

@keyframes cmdk-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes cmdk-slide {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .cmdk__backdrop,
  .cmdk__card { animation: none; }
}


/* -----------------------------------------------------------------------------
   43. Scroll reveals — fade up 12px on intersection
   Note: items are hidden by default; if JS is disabled, reveal won't trigger.
   Acceptable trade-off for a visual flourish — content is still in the DOM.
   ----------------------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}