/* ==========================================================================
   Deepak Bharate — portfolio v2
   Core: tokens, reset, layout, navigation, components, sections.
   Visual effects live in fx.css.
   No build step. Edit directly.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */

:root {
  color-scheme: dark;

  /* Surfaces — deep space */
  --void:        #04040c;
  --bg:          #06060f;
  --bg-2:        #0a0a17;
  --surface:     rgba(255, 255, 255, 0.028);
  --surface-2:   rgba(255, 255, 255, 0.05);
  --hairline:    rgba(255, 255, 255, 0.09);
  --hairline-2:  rgba(255, 255, 255, 0.16);

  /* Signature gradient: cyan → violet */
  --c1: #22d3ee;
  --c2: #7c8cff;
  --c3: #b14dff;
  --grad:      linear-gradient(115deg, var(--c1), var(--c2) 45%, var(--c3));
  --grad-soft: linear-gradient(115deg, rgba(34,211,238,.16), rgba(177,77,255,.16));

  --accent:      var(--c1);
  --accent-ink:  #04040c;
  --glow:        rgba(34, 211, 238, 0.42);
  --glow-2:      rgba(177, 77, 255, 0.34);

  --ok:   #3ddc97;
  --warn: #ffb454;

  /* Type */
  --text:   #e9edfb;
  --muted:  #97a0c0;
  --faint:  #626c8c;

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Fluid type scale */
  --t--2: clamp(0.70rem, 0.68rem + 0.10vw, 0.76rem);
  --t--1: clamp(0.82rem, 0.79rem + 0.14vw, 0.90rem);
  --t-0:  clamp(0.97rem, 0.93rem + 0.18vw, 1.07rem);
  --t-1:  clamp(1.18rem, 1.10rem + 0.38vw, 1.42rem);
  --t-2:  clamp(1.42rem, 1.28rem + 0.70vw, 1.90rem);
  --t-3:  clamp(1.71rem, 1.48rem + 1.15vw, 2.53rem);
  --t-4:  clamp(2.05rem, 1.70rem + 1.80vw, 3.38rem);
  --t-5:  clamp(2.47rem, 1.92rem + 2.75vw, 4.50rem);
  --t-6:  clamp(2.90rem, 2.00rem + 4.40vw, 6.50rem);

  /* Space */
  --gutter: clamp(1.15rem, 0.85rem + 1.4vw, 2.25rem);
  --measure: 66ch;
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;
  --r-xl: 30px;

  --ease:     cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --nav-h: 4.5rem;
}

[data-theme="light"] {
  color-scheme: light;
  --void:       #eef0f8;
  --bg:         #f7f8fc;
  --bg-2:       #ffffff;
  --surface:    rgba(10, 12, 30, 0.035);
  --surface-2:  rgba(10, 12, 30, 0.06);
  --hairline:   rgba(10, 12, 30, 0.10);
  --hairline-2: rgba(10, 12, 30, 0.18);

  --c1: #0aa5c4;
  --c2: #4f5fd8;
  --c3: #8b2fd6;
  --accent-ink: #ffffff;
  --glow:   rgba(10, 165, 196, 0.26);
  --glow-2: rgba(139, 47, 214, 0.20);

  --text:  #0d1020;
  --muted: #4a5273;
  --faint: #757d9c;
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-h) + 1.5rem);
}
html.smooth { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--t-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

/* Locks scroll during the boot sequence and while the palette is open. */
body.is-locked { overflow: hidden; }

img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
h1 { font-size: var(--t-5); }
h2 { font-size: var(--t-3); }
h3 { font-size: var(--t-1); letter-spacing: -0.02em; }

p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--c1);
  outline-offset: 3px;
  border-radius: 4px;
}
::selection { background: var(--c3); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb {
  background: var(--hairline-2);
  border-radius: 99px;
  border: 2px solid var(--void);
}
::-webkit-scrollbar-thumb:hover { background: var(--c2); }

.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 999;
  padding: 0.75rem 1.15rem;
  background: var(--c1);
  color: var(--accent-ink);
  border-radius: var(--r-sm);
  font-weight: 700;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

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

/* --------------------------------------------------------------------------
   3. Layout
   -------------------------------------------------------------------------- */

.wrap {
  width: min(100% - (var(--gutter) * 2), 1180px);
  margin-inline: auto;
}
.wrap--tight { width: min(100% - (var(--gutter) * 2), 780px); }

.section {
  position: relative;
  padding-block: clamp(4rem, 3rem + 5vw, 8rem);
}
.section--divide { border-top: 1px solid var(--hairline); }

/* Keeps long pages cheap to render. */
.section--defer {
  content-visibility: auto;
  contain-intrinsic-size: auto 700px;
}

.head { margin-bottom: clamp(2rem, 1.5rem + 1.5vw, 3.25rem); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--t--2);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c1);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c1));
}

.title-grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  font-size: var(--t-1);
  color: var(--muted);
  max-width: var(--measure);
}

.prose { max-width: var(--measure); color: var(--muted); }
.prose p + p { margin-top: 1.15rem; }
.prose strong { color: var(--text); font-weight: 600; }

/* --------------------------------------------------------------------------
   4. Navigation
   -------------------------------------------------------------------------- */

.nav-bar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 90;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav-bar[data-stuck="true"] {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom-color: var(--hairline);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--nav-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.brand-dot {
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 12px var(--glow);
  flex-shrink: 0;
}
.brand em { font-style: normal; color: var(--faint); }

.nav-links { display: flex; align-items: center; gap: 0.15rem; }
.nav-links a {
  position: relative;
  padding: 0.5rem 0.9rem;
  border-radius: var(--r-sm);
  font-size: var(--t--1);
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 0.28rem;
  height: 1px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-links a[aria-current="page"] { color: var(--text); }

.nav-tools { display: flex; align-items: center; gap: 0.4rem; }

.ibtn {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--hairline);
  color: var(--muted);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
              background 0.2s var(--ease);
}
.ibtn:hover {
  color: var(--text);
  border-color: var(--hairline-2);
  background: var(--surface);
}
.ibtn svg { width: 1.05rem; height: 1.05rem; }

.kbd-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.7rem;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: var(--t--2);
  color: var(--faint);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.kbd-hint:hover { color: var(--text); border-color: var(--hairline-2); }
kbd {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.05em 0.35em;
  border-radius: 4px;
  background: var(--surface-2);
  border: 1px solid var(--hairline);
}

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

.nav-burger { display: none; }

/* Scroll progress */
.progress {
  position: fixed;
  inset: 0 0 auto;
  height: 2px;
  z-index: 95;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

/* --------------------------------------------------------------------------
   5. Buttons & chips
   -------------------------------------------------------------------------- */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  border-radius: 99px;
  font-size: var(--t--1);
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
              box-shadow 0.25s var(--ease), transform 0.15s var(--ease);
}
.btn svg { width: 1rem; height: 1rem; flex-shrink: 0; }
.btn:active { transform: scale(0.97); }

.btn--primary { background: var(--grad); color: var(--accent-ink); }
.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--grad);
  filter: blur(14px);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.btn--primary:hover::before { opacity: 0.75; }

.btn--ghost { border-color: var(--hairline-2); color: var(--text); }
.btn--ghost:hover {
  border-color: var(--c1);
  box-shadow: 0 0 0 1px var(--c1), 0 0 22px -6px var(--glow);
}

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.24rem 0.7rem;
  border-radius: 99px;
  border: 1px solid var(--hairline);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--t--2);
  color: var(--muted);
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.chip:hover { border-color: var(--hairline-2); color: var(--text); }
.chip--hot {
  border-color: color-mix(in srgb, var(--c1) 40%, transparent);
  background: rgba(34, 211, 238, 0.08);
  color: var(--c1);
}
.chip-row { display: flex; flex-wrap: wrap; gap: 0.45rem; }

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: min(100svh, 60rem);
  display: grid;
  align-items: center;
  padding-top: calc(var(--nav-h) + 2rem);
  padding-bottom: 4rem;
  overflow: hidden;
}

.hero-inner { position: relative; z-index: 2; }

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem 0.4rem 0.6rem;
  border: 1px solid var(--hairline);
  border-radius: 99px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--t--2);
  color: var(--muted);
  margin-bottom: 1.75rem;
}
.pulse-dot {
  position: relative;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--ok);
  flex-shrink: 0;
}
.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--ok);
  animation: ping 2s var(--ease-out) infinite;
}
@keyframes ping {
  0%   { transform: scale(0.7); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hero h1 {
  font-size: var(--t-6);
  font-weight: 700;
  letter-spacing: -0.045em;
  margin-bottom: 1.4rem;
}
.hero h1 .line { display: block; }

.hero-sub {
  font-size: var(--t-1);
  color: var(--muted);
  max-width: 52ch;
  margin-bottom: 2.25rem;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: var(--t--2);
  color: var(--faint);
}
.hero-meta > * { display: inline-flex; align-items: center; gap: 0.5rem; }
.hero-meta svg { width: 0.9rem; height: 0.9rem; }
.hero-meta a { transition: color 0.2s var(--ease); }
.hero-meta a:hover { color: var(--c1); }

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.75rem;
  transform: translateX(-50%);
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--t--2);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}
.scroll-cue span {
  width: 1px;
  height: 2.5rem;
  background: linear-gradient(180deg, var(--c1), transparent);
  animation: cue 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes cue {
  0%, 100% { transform: scaleY(0.3); opacity: 0.3; }
  50%      { transform: scaleY(1);   opacity: 1; }
}

/* --------------------------------------------------------------------------
   7. Stats
   -------------------------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.stat {
  padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
  background: var(--bg);
  transition: background 0.3s var(--ease);
}
.stat:hover { background: var(--bg-2); }
.stat-num {
  font-family: var(--font-display);
  font-size: var(--t-4);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--t--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

/* --------------------------------------------------------------------------
   8. Project cards
   -------------------------------------------------------------------------- */

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 1.35rem;
}

.pcard {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(1.4rem, 1.2rem + 0.8vw, 2rem);
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--hairline);
  overflow: hidden;
  isolation: isolate;
  transform-style: preserve-3d;
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.pcard:hover { border-color: var(--hairline-2); background: var(--surface-2); }

/* Pointer-tracking spotlight (coords set by tilt.js) */
.pcard::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(
    18rem circle at var(--mx, 50%) var(--my, 0%),
    rgba(34, 211, 238, 0.14),
    transparent 42%
  );
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.pcard:hover::before, .pcard:focus-within::before { opacity: 1; }

.pcard-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.pcard h3 { font-size: var(--t-2); }
.pcard h3 a { transition: color 0.25s var(--ease); }
.pcard h3 a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.pcard:hover h3 a { color: var(--c1); }

.pcard-role {
  margin-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: var(--t--2);
  letter-spacing: 0.06em;
  color: var(--faint);
}
.pcard p { color: var(--muted); font-size: var(--t--1); flex-grow: 1; }

.pcard-arrow {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.35s var(--ease-out), color 0.35s var(--ease),
              border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.pcard-arrow svg { width: 1rem; height: 1rem; }
.pcard:hover .pcard-arrow {
  transform: translate(3px, -3px) rotate(45deg);
  color: var(--accent-ink);
  background: var(--c1);
  border-color: var(--c1);
}

.pcard-index {
  position: absolute;
  top: 1rem;
  right: 1.35rem;
  z-index: -1;
  font-family: var(--font-display);
  font-size: 5.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  opacity: 0.035;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   9. Capability panels
   -------------------------------------------------------------------------- */

.grid-caps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1.1rem;
}
.cap {
  padding: 1.5rem;
  border-radius: var(--r);
  background: var(--surface);
  border: 1px solid var(--hairline);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.cap:hover { border-color: var(--hairline-2); transform: translateY(-2px); }
.cap h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--t-0);
  margin-bottom: 1rem;
}
.cap h3 svg {
  width: 1.05rem;
  height: 1.05rem;
  color: var(--c1);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   10. Timeline
   -------------------------------------------------------------------------- */

.tl { position: relative; }
.tl::before {
  content: "";
  position: absolute;
  left: 0.44rem;
  top: 0.7rem;
  bottom: 0.7rem;
  width: 1px;
  background: linear-gradient(180deg, var(--c1), var(--c3), transparent);
  opacity: 0.5;
}
.tl-item { position: relative; padding: 0 0 2.25rem 2.4rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--hairline-2);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.tl-item--live::before {
  border-color: var(--c1);
  background: var(--c1);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.14), 0 0 16px var(--glow);
}
.tl-date {
  font-family: var(--font-mono);
  font-size: var(--t--2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}
.tl-item h3 { font-size: var(--t-1); margin: 0.3rem 0 0.5rem; }
.tl-item p { color: var(--muted); font-size: var(--t--1); max-width: var(--measure); }

/* --------------------------------------------------------------------------
   11. Repo rows
   -------------------------------------------------------------------------- */

.repo-rows { display: grid; gap: 0.5rem; }
.repo-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.2rem;
  border-radius: var(--r);
  border: 1px solid var(--hairline);
  background: var(--surface);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease),
              transform 0.25s var(--ease);
}
.repo-row:hover {
  border-color: var(--hairline-2);
  background: var(--surface-2);
  transform: translateX(4px);
}
.repo-row > svg { width: 1.05rem; height: 1.05rem; color: var(--faint); flex-shrink: 0; }
.repo-row .nm { font-family: var(--font-mono); font-size: var(--t--1); }
.repo-row:hover .nm { color: var(--c1); }
.repo-row .ds { color: var(--muted); font-size: var(--t--1); flex-grow: 1; }
.repo-row .go { color: var(--faint); flex-shrink: 0; }

/* --------------------------------------------------------------------------
   12. Case study pages
   -------------------------------------------------------------------------- */

.case-hero { padding-top: calc(var(--nav-h) + 3rem); padding-bottom: 2rem; }

.back {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--t--1);
  color: var(--muted);
  margin-bottom: 1.75rem;
  transition: color 0.2s var(--ease), gap 0.2s var(--ease);
}
.back:hover { color: var(--c1); gap: 0.75rem; }
.back svg { width: 0.9rem; height: 0.9rem; }

.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1.25rem;
  padding: 1.5rem;
  margin-block: 2.25rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: var(--surface);
}
.case-meta dt {
  font-family: var(--font-mono);
  font-size: var(--t--2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.4rem;
}
.case-meta dd { margin: 0; font-size: var(--t--1); }
.case-meta a { color: var(--c1); }

.case-body h2 {
  font-size: var(--t-2);
  margin-block: 3rem 1.1rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--hairline);
}
.case-body > h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.case-body h3 { font-size: var(--t-1); margin-block: 2rem 0.75rem; }
.case-body p { color: var(--muted); max-width: var(--measure); }
.case-body p + p { margin-top: 1.05rem; }
.case-body em { color: var(--text); font-style: italic; }

.bullets { margin-block: 1.15rem; display: grid; gap: 0.8rem; max-width: var(--measure); }
.bullets li { position: relative; padding-left: 1.5rem; color: var(--muted); }
.bullets li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.62em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--grad);
}
.bullets strong { color: var(--text); font-weight: 600; }

code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  padding: 0.14em 0.45em;
  border-radius: 5px;
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  color: var(--c1);
}

.note {
  display: flex;
  gap: 1rem;
  padding: 1.3rem 1.5rem;
  margin-block: 2rem;
  border-radius: var(--r);
  border: 1px solid color-mix(in srgb, var(--c1) 32%, transparent);
  background: rgba(34, 211, 238, 0.05);
  max-width: var(--measure);
}
.note svg { width: 1.15rem; height: 1.15rem; color: var(--c1); flex-shrink: 0; margin-top: 0.25rem; }
.note p { color: var(--text); font-size: var(--t--1); }
.note strong { color: var(--c1); }
.note--warn {
  border-color: color-mix(in srgb, var(--warn) 32%, transparent);
  background: rgba(255, 180, 84, 0.05);
}
.note--warn svg { color: var(--warn); }
.note--warn strong { color: var(--warn); }

.next-up {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.75rem;
  margin-top: 4rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: var(--surface);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.next-up:hover { border-color: var(--c1); background: var(--surface-2); }
.next-up .lbl {
  font-family: var(--font-mono);
  font-size: var(--t--2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}
.next-up h3 { font-size: var(--t-2); margin-top: 0.35rem; }
.next-up:hover h3 { color: var(--c1); }

/* --------------------------------------------------------------------------
   13. Filters
   -------------------------------------------------------------------------- */

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.filter {
  padding: 0.5rem 1.1rem;
  border-radius: 99px;
  border: 1px solid var(--hairline);
  font-size: var(--t--1);
  font-weight: 500;
  color: var(--muted);
  transition: all 0.22s var(--ease);
}
.filter:hover { border-color: var(--hairline-2); color: var(--text); }
.filter[aria-pressed="true"] {
  background: var(--grad);
  border-color: transparent;
  color: var(--accent-ink);
  box-shadow: 0 0 22px -6px var(--glow);
}
.is-hidden { display: none !important; }

/* --------------------------------------------------------------------------
   14. Contact
   -------------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr));
  gap: clamp(1.75rem, 1.2rem + 2vw, 3.5rem);
  align-items: start;
}
.crow {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--hairline);
}
.crow:last-child { border-bottom: none; }
.crow > svg { width: 1.05rem; height: 1.05rem; color: var(--c1); flex-shrink: 0; }
.crow .lbl {
  font-family: var(--font-mono);
  font-size: var(--t--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  width: 5.5rem;
  flex-shrink: 0;
}
.crow a { transition: color 0.2s var(--ease); }
.crow a:hover { color: var(--c1); }

/* Contact card — replaces the old form. */
.mailcard {
  display: grid;
  gap: 1.1rem;
  padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--hairline);
}
.mailcard-label {
  font-family: var(--font-mono);
  font-size: var(--t--2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}
.mailcard-address {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 0.8rem + 0.9vw, 1.35rem);
  font-weight: 500;
  line-height: 1.3;
  word-break: break-all;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  /* Selectable, so it works even if the copy button ever fails. */
  user-select: all;
}
.mailcard-note {
  font-size: var(--t--1);
  color: var(--muted);
  max-width: 44ch;
}

.form { display: grid; gap: 1rem; }
.field { display: grid; gap: 0.45rem; }
.field label {
  font-family: var(--font-mono);
  font-size: var(--t--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}
.field input, .field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: var(--t--1);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { resize: vertical; min-height: 8rem; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c1);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}
.field ::placeholder { color: var(--faint); }
.form-note { font-size: var(--t--2); color: var(--faint); }
.form-note a { color: var(--muted); border-bottom: 1px solid var(--hairline-2); }
.form-note a:hover { color: var(--c1); border-bottom-color: var(--c1); }

/* Empty until the form says something, so it takes up no room at rest. */
.form-status:empty { display: none; }
.form-status {
  font-size: var(--t--1);
  padding: 0.7rem 0.9rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--hairline);
  background: var(--surface);
  color: var(--muted);
}
.form-status[data-kind="ok"] {
  border-color: color-mix(in srgb, var(--ok) 45%, transparent);
  background: rgba(61, 220, 151, 0.08);
  color: var(--ok);
}
.form-status[data-kind="warn"] {
  border-color: color-mix(in srgb, var(--warn) 45%, transparent);
  background: rgba(255, 180, 84, 0.08);
  color: var(--warn);
}
.form-status[data-kind="pending"] { color: var(--c1); }

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */

.foot {
  border-top: 1px solid var(--hairline);
  padding-block: 2.5rem;
  color: var(--faint);
  font-size: var(--t--1);
}
.foot-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.foot a { transition: color 0.2s var(--ease); }
.foot a:hover { color: var(--c1); }
.foot .mono { font-family: var(--font-mono); font-size: var(--t--2); }

/* --------------------------------------------------------------------------
   16. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .nav-burger { display: grid; }
  .kbd-hint { display: none; }

  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem var(--gutter) 1.75rem;
    background: var(--bg-2);
    border-bottom: 1px solid var(--hairline);
    transform: translateY(-115%);
    visibility: hidden;
    transition: transform 0.38s var(--ease), visibility 0.38s var(--ease);
  }
  .nav-links[data-open="true"] { transform: none; visibility: visible; }
  .nav-links a { padding: 0.9rem 0.4rem; font-size: var(--t-0); border-radius: 0; }
  .nav-links a::after { display: none; }
  .nav-links li + li a { border-top: 1px solid var(--hairline); }
}

@media (max-width: 600px) {
  .hero { min-height: auto; padding-block: calc(var(--nav-h) + 3rem) 4rem; }
  .scroll-cue { display: none; }
  .pcard-index { font-size: 4rem; }
  .crow { flex-wrap: wrap; }
  .next-up { flex-direction: column; align-items: flex-start; }
  .repo-row { flex-wrap: wrap; gap: 0.5rem 0.8rem; }
  .repo-row .ds { width: 100%; }
}

/* --------------------------------------------------------------------------
   17. Print
   -------------------------------------------------------------------------- */

@media print {
  .nav-bar, .foot, .progress, .scroll-cue, .form, #fx-canvas,
  #cursor, #cursor-ring, .grain, .palette, .boot { display: none !important; }
  body { background: #fff; color: #000; }
  .pcard, .cap, .case-meta { border-color: #ccc; break-inside: avoid; }
  .title-grad, .stat-num { color: #000 !important; -webkit-text-fill-color: #000; }
}