/* ==========================================================================
   Muhammad Talha · personal site
   A cartographic theme: paper and ink, river-teal accents, topographic texture.
   ========================================================================== */

/* ---------- Tokens ---------- */

:root {
  --bg: #f5f3ee;
  --bg-elev: #fffefb;
  --bg-tint: #ece9e1;
  --ink: #0e1c25;
  --ink-2: #384852;
  --ink-3: #66747d;
  --line: #d8d2c6;
  --line-soft: rgba(14, 28, 37, 0.07);
  --accent: #0a6680;
  --accent-2: #0b86a6;
  --accent-3: #4c5bb0;
  --accent-soft: #d5e8ec;
  --warm: #b55a22;
  --warm-soft: #f2dfd0;
  --on-accent: #ffffff;
  --river: 10, 102, 128;
  --flow: 11, 134, 166;
  --shadow: 0 1px 2px rgba(14, 28, 37, 0.05), 0 8px 28px -12px rgba(14, 28, 37, 0.18);
  --shadow-lift: 0 2px 4px rgba(14, 28, 37, 0.06), 0 22px 44px -18px rgba(14, 28, 37, 0.28);
  --map-filter: invert(1) hue-rotate(180deg) saturate(1.3);
  --map-blend: multiply;
  --map-opacity: 0.8;

  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --radius: 14px;
  --radius-sm: 8px;
  --header-h: 4.25rem;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a131a;
    --bg-elev: #101c25;
    --bg-tint: #0d1820;
    --ink: #e6edf1;
    --ink-2: #b3c0c8;
    --ink-3: #7f8e98;
    --line: #213340;
    --line-soft: rgba(230, 237, 241, 0.06);
    --accent: #4fc3db;
    --accent-2: #86dcec;
    --accent-3: #98a6ff;
    --accent-soft: #12313b;
    --warm: #ea9a62;
    --warm-soft: #3a2415;
    --on-accent: #062029;
    --river: 79, 195, 219;
    --flow: 160, 236, 250;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px -14px rgba(0, 0, 0, 0.6);
    --shadow-lift: 0 2px 4px rgba(0, 0, 0, 0.35), 0 24px 48px -18px rgba(0, 0, 0, 0.75);
    --map-filter: none;
    --map-blend: screen;
    --map-opacity: 0.85;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0a131a;
  --bg-elev: #101c25;
  --bg-tint: #0d1820;
  --ink: #e6edf1;
  --ink-2: #b3c0c8;
  --ink-3: #7f8e98;
  --line: #213340;
  --line-soft: rgba(230, 237, 241, 0.06);
  --accent: #4fc3db;
  --accent-2: #86dcec;
  --accent-3: #98a6ff;
  --accent-soft: #12313b;
  --warm: #ea9a62;
  --warm-soft: #3a2415;
  --on-accent: #062029;
  --river: 79, 195, 219;
  --flow: 160, 236, 250;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px -14px rgba(0, 0, 0, 0.6);
  --shadow-lift: 0 2px 4px rgba(0, 0, 0, 0.35), 0 24px 48px -18px rgba(0, 0, 0, 0.75);
  --map-filter: none;
  --map-blend: screen;
  --map-opacity: 0.85;
  color-scheme: dark;
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-2);
}

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

.mono {
  font-family: var(--font-mono);
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

.icon {
  width: 1.1em;
  height: 1.1em;
  flex: none;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}

.brand:hover {
  color: var(--ink);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.site-nav ul {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}

.site-nav a {
  display: block;
  white-space: nowrap;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 0.94rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}

.site-nav a:hover {
  color: var(--ink);
  background: var(--line-soft);
}

.site-nav a.is-active {
  color: var(--ink);
  background: var(--bg-tint);
  box-shadow: inset 0 0 0 1px var(--line);
}

.header-actions {
  display: flex;
  gap: 0.35rem;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-elev);
  color: var(--ink-2);
  cursor: pointer;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}

.icon-btn:hover {
  color: var(--ink);
  border-color: var(--ink-3);
}

.icon-btn .icon {
  width: 1.15rem;
  height: 1.15rem;
}

/* Theme toggle shows the icon of the theme you'd switch to. */
.when-dark {
  display: none;
}

:root[data-theme="dark"] .when-dark {
  display: block;
}

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

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .when-dark {
    display: block;
  }

  :root:not([data-theme="light"]) .when-light {
    display: none;
  }
}

.nav-toggle {
  display: none;
}

.nav-toggle .when-open,
.nav-open .nav-toggle .when-closed {
  display: none;
}

.nav-open .nav-toggle .when-open {
  display: block;
}

@media (max-width: 60rem) {
  .brand-sub {
    display: none;
  }

  .nav-toggle {
    display: inline-grid;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0.5rem var(--gutter) 1.25rem;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
  }

  .nav-open .site-nav {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
  }

  .site-nav a {
    padding: 0.75rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
  }
}

/* ---------- Shared type & controls ---------- */

.section-kicker,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-kicker::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: currentColor;
}

.eyebrow {
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

.section-title {
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
  margin-top: 0.75rem;
  max-width: 30ch;
}

.section-title em {
  font-style: italic;
  color: var(--accent);
}

.section-lede {
  margin-top: 1rem;
  max-width: 44rem;
  color: var(--ink-2);
  font-size: 1.12rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.5rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

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

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-ghost {
  background: var(--bg-elev);
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  color: var(--ink);
  border-color: var(--ink-3);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}

.chip:hover,
.chip[aria-expanded="true"] {
  color: var(--accent);
  border-color: var(--accent);
}

.chip .icon {
  width: 0.95rem;
  height: 0.95rem;
}

.chip--quiet {
  background: transparent;
  border-style: dashed;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
}

.tag-list li {
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--accent);
}

.more-link .icon {
  transition: transform 0.2s ease;
}

.more-link:hover .icon,
a:hover .more-link .icon {
  transform: translateX(3px);
}

.status {
  color: var(--accent);
}

.status--ongoing {
  color: var(--warm);
}

/* ---------- Prose ---------- */

.prose {
  max-width: 44rem;
  color: var(--ink-2);
}

.prose > * + * {
  margin-top: 1.1em;
}

.prose h2 {
  font-size: 1.6rem;
  margin-top: 2.2em;
}

.prose h3 {
  font-size: 1.25rem;
  margin-top: 1.8em;
}

.prose strong {
  color: var(--ink);
  font-weight: 600;
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.prose li + li {
  margin-top: 0.45em;
}

.prose li::marker {
  color: var(--accent);
}

/* ---------- Hero (home) ---------- */

.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  margin-top: calc(-1 * var(--header-h) - env(safe-area-inset-top, 0px));
  padding-top: calc(var(--header-h) + env(safe-area-inset-top, 0px));
}

/* Real map from the Basin2Vec analysis: white streams on black. Screen-blended on the dark
   theme; inverted and multiplied onto the paper background on the light theme. */
.hero-map {
  position: absolute;
  top: 50%;
  right: -8%;
  width: min(80%, 76rem);
  transform: translateY(-48%);
  pointer-events: none;
  /* Blend on this element (not the img): its transform makes it its own layer. */
  filter: var(--map-filter);
  mix-blend-mode: var(--map-blend);
  opacity: var(--map-opacity);
}

.hero-map img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-caption {
  position: absolute;
  right: var(--gutter);
  bottom: 0.9rem;
  max-width: 26rem;
  font-size: 0.74rem;
  line-height: 1.45;
  color: var(--ink-3);
  text-align: right;
}

.basin2vec-feature {
  padding-block: 0.5rem;
  background: none;
  border-block: 0;
}

.basin2vec-feature .wrap {
  max-width: none;
  padding-inline: clamp(0.75rem, 1.5vw, 1.5rem);
}

.basin2vec-feature + .section {
  padding-top: clamp(1.5rem, 3vw, 2rem);
}

.basin2vec-feature-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--bg-elev);
}

.b2v-head {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.b2v-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.basin2vec-feature-card .section-title {
  margin-top: 0.3rem;
}

.basin2vec-feature-card .section-lede {
  margin-top: 0.4rem;
}

.b2v-browser {
  --b2v-scale: 0.5;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  box-shadow: var(--shadow);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.b2v-browser:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.b2v-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid var(--line);
  background: var(--bg-tint);
}

.b2v-dots {
  display: flex;
  gap: 0.35rem;
}

.b2v-dots i {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--line);
}

.b2v-url {
  flex: 1;
  overflow: hidden;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: var(--bg-elev);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.b2v-viewport {
  position: relative;
  display: block;
  width: 100%;
  height: calc(800px * var(--b2v-scale));
  padding: 0;
  border: 0;
  background: var(--bg-elev);
  cursor: zoom-in;
  overflow: hidden;
}

.b2v-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 1280px;
  height: 800px;
  border: 0;
  pointer-events: none;
  transform: scale(var(--b2v-scale));
  transform-origin: top left;
}

.b2v-hint {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0.92;
}

.b2v-dialog {
  width: min(96vw, 90rem);
  height: 92vh;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  color: var(--ink);
  overflow: hidden;
}

.b2v-dialog[open] {
  display: flex;
  flex-direction: column;
}

.b2v-dialog::backdrop {
  background: rgba(5, 12, 18, 0.72);
}

.b2v-dialog-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--line);
}

.b2v-dialog-bar strong {
  flex: 1;
}

.b2v-dialog-frame {
  flex: 1;
  width: 100%;
  border: 0;
  background: #fff;
}

@media (max-width: 56rem) {
  .basin2vec-feature-card {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 40rem) {
  .b2v-dialog {
    width: 100vw;
    height: 100dvh;
    max-width: 100vw;
    max-height: 100dvh;
    border-radius: 0;
  }
}

.hero-veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--bg) 0%, var(--bg) 30%, color-mix(in srgb, var(--bg) 88%, transparent) 48%, transparent 72%),
    linear-gradient(0deg, var(--bg) 0%, transparent 22%);
}

.now-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-elev) 85%, transparent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--ink-2);
}

.pulse-dot {
  position: relative;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--warm);
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--warm);
  animation: pulse 2.2s ease-out infinite;
}

/* Profile intro (home) */

.profile-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.profile-name {
  margin-top: 1.25rem;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 144;
}

.profile-role {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.profile-bio {
  margin-top: 1.5rem;
  max-width: 40rem;
  font-size: 1.04rem;
}

.profile-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

.profile-actions .btn {
  padding-block: 0.5rem;
}

@media (max-width: 52rem) {
  .hero {
    min-height: auto;
  }

  .hero-map {
    top: 0;
    right: -45%;
    width: 190%;
    transform: none;
  }

  .hero-caption {
    display: none;
  }

  .hero-veil {
    background: linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--bg) 40%, transparent) 10rem, var(--bg) 26rem);
  }

  .profile-grid {
    grid-template-columns: 1fr;
    padding-top: 2rem;
  }

  .profile-grid .portrait {
    order: -1;
    max-width: 15rem;
  }
}

/* ---------- Sections ---------- */

.section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.section--tint {
  background: var(--bg-tint);
  border-block: 1px solid var(--line);
}

.section-head {
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}

.section-head--row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.portrait {
  position: relative;
  margin: 0;
}

.portrait::before {
  content: "";
  position: absolute;
  inset: 1.1rem -1.1rem -1.1rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 22px;
  opacity: 0.5;
}

.portrait img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 44% 30%;
  border-radius: 20px;
  box-shadow: var(--shadow-lift);
}

@media (max-width: 52rem) {
  .portrait::before {
    inset: 0.7rem -0.7rem -0.7rem 0.7rem;
  }
}

.portrait figcaption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-2);
}

/* Social links */

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

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

.social-links--pills a {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-elev);
}

.social-links--pills a:hover {
  border-color: var(--accent);
}

.social-links--footer {
  gap: 0.25rem;
}

.social-links--footer a {
  width: 2.4rem;
  height: 2.4rem;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.social-links--footer span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* Research themes */

.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.theme {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
}

.theme-body {
  padding: 1.5rem 1.6rem 1.7rem;
}

.theme-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--warm);
}

.theme-title {
  margin-top: 0.35rem;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
}

.theme-text {
  margin-top: 0.7rem;
  color: var(--ink-2);
  font-size: 0.98rem;
}

.theme-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  margin-top: 1.1rem;
  list-style: none;
}

.theme-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 500;
  font-size: 0.92rem;
  text-decoration: none;
}

.theme-links .icon {
  width: 0.95rem;
  transition: transform 0.2s ease;
}

.theme-links a:hover .icon {
  transform: translateX(3px);
}

@media (max-width: 52rem) {
  .theme-grid {
    grid-template-columns: 1fr;
  }
}

/* Projects */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  gap: 1.25rem;
}

.project-grid--featured {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15.5rem), 1fr));
}

.project-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
  transition:
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.project-card:hover {
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.project-card-media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.project-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-card-media img {
  transform: scale(1.04);
}

.project-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.45rem;
  padding: 1.1rem 1.25rem 1.2rem;
}

.project-card-title {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.005em;
}

.project-card-title a {
  color: var(--ink);
  text-decoration: none;
}

.project-card-title a:hover {
  color: var(--accent);
}

.project-card-meta {
  font-size: 0.86rem;
  color: var(--ink-3);
}

.project-card-meta .status {
  font-weight: 500;
}

.project-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.1rem;
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 0.9rem;
}

.project-card-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 500;
  text-decoration: none;
}

.project-card-links a:hover {
  text-decoration: underline;
}

.project-card-links .icon {
  width: 0.85rem;
  height: 0.85rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  white-space: nowrap;
}

.status-badge::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: currentColor;
}

.status-badge.status--ongoing {
  color: var(--warm);
}

.project-card-text {
  color: var(--ink-2);
  font-size: 0.93rem;
  line-height: 1.55;
}

.project-group + .project-group {
  margin-top: clamp(3rem, 6vw, 4.5rem);
}

.group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 2rem;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.group-title {
  font-size: 1.6rem;
}

.group-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-3);
}

/* News + selected papers */

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2.5rem, 6vw, 5rem);
}

.split .section-title {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}

@media (max-width: 60rem) {
  .split {
    grid-template-columns: 1fr;
  }
}

.news-list {
  list-style: none;
  border-left: 1px solid var(--line);
}

.news-item {
  position: relative;
  padding: 0 0 1.5rem 1.5rem;
}

.news-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.45rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}

.news-item:first-child::before {
  background: var(--accent);
}

.news-item time {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.news-text {
  margin-top: 0.2rem;
  color: var(--ink-2);
  font-size: 0.96rem;
}

.news-text strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Publications ---------- */

.pubs ol.bibliography {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pubs ol.bibliography > li + li {
  border-top: 1px solid var(--line);
}

.pubs h2.bibliography {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 3rem 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.pubs h2.bibliography:first-child {
  margin-top: 0;
}

.pubs h2.bibliography::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.pub {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.5rem 0;
}

.pub-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.pub-abbr {
  display: inline-block;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.pub--review .pub-abbr {
  background: transparent;
  color: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--line);
}

.pub--conference .pub-abbr {
  background: var(--warm);
  color: var(--bg-elev);
}

.pub-kind {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.pub-title {
  font-size: 1.2rem;
  line-height: 1.3;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.pub-title a {
  color: var(--ink);
  text-decoration: none;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition:
    background-size 0.3s ease,
    color 0.2s ease;
}

.pub-title a:hover {
  color: var(--accent);
  background-size: 100% 1px;
}

.pub-authors {
  margin-top: 0.45rem;
  font-size: 0.93rem;
  color: var(--ink-2);
}

.pub-authors .me {
  color: var(--ink);
  font-weight: 600;
}

.pub-venue {
  margin-top: 0.15rem;
  font-size: 0.93rem;
  color: var(--ink-3);
}

.pub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.85rem;
}

.bibtex {
  position: relative;
  margin-top: 0.85rem;
}

.bibtex pre {
  margin: 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-tint);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--ink-2);
  white-space: pre;
}

.bibtex-copy {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg-elev);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  cursor: pointer;
}

.bibtex-copy .icon {
  width: 0.85rem;
  height: 0.85rem;
}

.pubs--compact .pub {
  grid-template-columns: minmax(0, 1fr);
  gap: 0.6rem;
  padding: 1.25rem 0;
}

.pubs--compact .pub-badge {
  flex-direction: row;
  align-items: center;
  gap: 0.6rem;
}

.pubs--compact .pub-title {
  font-size: 1.1rem;
}

.pubs--compact ol.bibliography > li:first-child .pub {
  padding-top: 0;
}

@media (max-width: 40rem) {
  .pub {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.65rem;
  }

  .pub-badge {
    flex-direction: row;
    align-items: center;
    gap: 0.6rem;
  }
}

.pub-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filter {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-elev);
  color: var(--ink-2);
  font: 500 0.88rem/1.2 var(--font-body);
  text-decoration: none;
  cursor: pointer;
}

.filter:hover {
  color: var(--ink);
  border-color: var(--ink-3);
}

.filter.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.filter .count {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  opacity: 0.7;
}

.filter--link {
  margin-left: auto;
}

@media (max-width: 40rem) {
  .filter--link {
    margin-left: 0;
  }
}

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(3rem, 7vw, 5rem) clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.page-title {
  margin-top: 0.8rem;
  font-size: clamp(2.3rem, 5vw, 3.75rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 144;
}

.page-lede {
  margin-top: 1rem;
  max-width: 44rem;
  font-size: 1.12rem;
  color: var(--ink-2);
}

.page-body {
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

/* ---------- Project page ---------- */

.project-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
}

.project-hero .tag-list {
  margin-top: 1.25rem;
}

.project-hero .btn-row {
  margin-top: 1.5rem;
}

.project-hero-grid--text {
  grid-template-columns: minmax(0, 1fr);
}

.project-hero-figure,
.project-figure {
  margin: 0;
}

.project-hero-figure img,
.project-figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
}

.project-hero-figure img {
  box-shadow: var(--shadow);
}

.project-hero-figure figcaption,
.project-figure figcaption {
  margin-top: 0.65rem;
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--ink-3);
}

.project-hero-figure figcaption a {
  color: inherit;
}

.project-figure {
  max-width: 60rem;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}

.project-figure figcaption {
  max-width: 46rem;
  font-size: 0.9rem;
  color: var(--ink-2);
}

.project-figure figcaption .mono {
  color: var(--accent);
  font-size: 0.8rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-3);
  text-decoration: none;
}

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

.project-layout {
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.project-body {
  font-size: 1.08rem;
}

.project-pubs,
.project-more {
  margin-top: clamp(3rem, 6vw, 4.5rem);
}

@media (max-width: 52rem) {
  .project-hero-grid {
    grid-template-columns: 1fr;
  }

  .project-hero-figure {
    max-width: 34rem;
  }
}

/* ---------- Code page ---------- */

.repo-group + .repo-group {
  margin-top: 3.5rem;
}

.repo-group .group-title {
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
  gap: 1rem;
}

.repo-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.repo-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.repo-main {
  flex: 1;
  padding: 1.2rem 1.3rem 0.9rem;
  color: inherit;
  text-decoration: none;
}

.repo-main:hover {
  color: inherit;
}

.repo-owner {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-3);
}

.repo-name {
  margin-top: 0.35rem;
  font-size: 1.22rem;
  word-break: break-word;
}

.repo-main:hover .repo-name {
  color: var(--accent);
}

.repo-desc {
  margin-top: 0.45rem;
  font-size: 0.92rem;
  color: var(--ink-2);
}

.repo-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 1rem;
  padding: 0.75rem 1.3rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-3);
}

.repo-meta > span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.repo-meta .icon {
  width: 0.9rem;
  height: 0.9rem;
}

.lang-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--ink-3);
}

.lang-dot[data-lang="python"] {
  background: #3572a5;
}

.lang-dot[data-lang="jupyter"] {
  background: #da5b0b;
}

.repo-project {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  text-decoration: none;
  font-weight: 500;
}

.github-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  padding: 1.25rem 1.5rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  text-decoration: none;
}

.github-cta:hover {
  color: var(--ink);
  border-color: var(--accent);
  border-style: solid;
}

.github-cta > .icon {
  width: 1.8rem;
  height: 1.8rem;
}

.github-cta > .icon:last-child {
  width: 1.2rem;
  margin-left: auto;
  color: var(--ink-3);
}

.github-cta > span {
  display: flex;
  flex-direction: column;
}

.github-cta > span span {
  font-size: 0.9rem;
  color: var(--ink-3);
}

/* ---------- CV ---------- */

.cv-actions {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.cv-layout {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
}

.cv-toc {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  align-self: start;
}

.cv-toc ul {
  list-style: none;
  border-left: 1px solid var(--line);
}

.cv-toc a {
  display: block;
  margin-left: -1px;
  padding: 0.35rem 0 0.35rem 1rem;
  border-left: 2px solid transparent;
  color: var(--ink-3);
  font-size: 0.9rem;
  text-decoration: none;
}

.cv-toc a:hover,
.cv-toc a.is-active {
  color: var(--accent);
  border-left-color: var(--accent);
}

.cv-main {
  max-width: 46rem;
}

.cv-section + .cv-section {
  margin-top: 3.5rem;
}

.cv-summary {
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.5;
  color: var(--ink);
  font-weight: 400;
}

.timeline {
  list-style: none;
}

.tl-item {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 1.5rem;
  padding-bottom: 2rem;
}

.tl-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-3);
  padding-top: 0.25rem;
}

.tl-body {
  position: relative;
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
}

.tl-body::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}

.tl-title {
  font-size: 1.2rem;
}

.tl-org {
  margin-top: 0.2rem;
  color: var(--ink-2);
  font-weight: 500;
}

.tl-note {
  margin-top: 0.3rem;
  color: var(--ink-3);
  font-size: 0.93rem;
}

.tl-body ul {
  margin-top: 0.7rem;
  padding-left: 1.1rem;
  color: var(--ink-2);
  font-size: 0.95rem;
}

.tl-body li + li {
  margin-top: 0.4rem;
}

.tl-body li::marker {
  color: var(--accent);
}

.cv-pubs {
  list-style: none;
  counter-reset: pub;
}

.cv-pubs li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.9rem 0 0.9rem 2.5rem;
  position: relative;
  border-bottom: 1px solid var(--line);
  counter-increment: pub;
}

.cv-pubs li::before {
  content: counter(pub, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-3);
}

.cv-pub-title {
  font-weight: 500;
}

.cv-pub-title a {
  color: var(--ink);
}

.cv-pub-authors,
.cv-pub-venue {
  font-size: 0.92rem;
  color: var(--ink-2);
}

.cv-pubs + p {
  margin-top: 1.25rem;
}

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

.award-list li {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
}

.award-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}

.award-list strong {
  color: var(--ink);
  font-weight: 600;
}

.skill + .skill {
  margin-top: 1.5rem;
}

.skill-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0;
  margin-bottom: 0.65rem;
}

@media (max-width: 52rem) {
  .cv-layout {
    grid-template-columns: 1fr;
  }

  .cv-toc {
    display: none;
  }

  .tl-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .tl-date {
    padding-left: 1.6rem;
  }
}

/* ---------- Beyond research (poetry, songs, movies) ---------- */

.fav-section + .fav-section {
  margin-top: clamp(3rem, 6vw, 4.5rem);
}

.fav-section .group-title {
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.poem-list {
  display: grid;
  gap: 1.25rem;
}

.poem {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
}

.poem-urdu {
  font-family: "Noto Nastaliq Urdu", "Jameel Noori Nastaleeq", "Noto Naskh Arabic", serif;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 2.5;
  color: var(--ink);
  text-align: center;
}

.poem-urdu p + p {
  margin-top: 0.4rem;
}

.poem-roman {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.12rem;
  line-height: 1.6;
  color: var(--ink);
}

.poem-translation {
  margin-top: 0.8rem;
  font-size: 0.95rem;
  color: var(--ink-2);
}

.poem-note {
  margin-top: 0.8rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--accent);
  font-size: 0.93rem;
  color: var(--ink-2);
}

.poem-credit {
  margin-top: 1.1rem;
  font-size: 0.88rem;
  color: var(--ink-3);
}

.poem-credit strong {
  color: var(--ink);
  font-weight: 600;
}

.poem-credit .icon {
  width: 0.85rem;
  height: 0.85rem;
  vertical-align: -0.1em;
}

.fav-footnote {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--ink-3);
}

.fav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr));
  gap: 1rem;
}

.fav-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.2rem 1.3rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
}

.fav-title {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
}

.fav-meta {
  font-size: 0.86rem;
  color: var(--ink-3);
}

.fav-note {
  margin-top: 0.3rem;
  font-size: 0.93rem;
  color: var(--ink-2);
}

.fav-link {
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.fav-link .icon {
  width: 0.85rem;
  height: 0.85rem;
  vertical-align: -0.1em;
}

@media (max-width: 52rem) {
  .poem {
    grid-template-columns: 1fr;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-tint);
  padding-top: 3rem;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: start;
}

.footer-brand p {
  margin-top: 0.9rem;
  font-size: 0.9rem;
  color: var(--ink-3);
}

.footer-nav ul {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  gap: 0.4rem 2rem;
  list-style: none;
}

.footer-nav a {
  color: var(--ink-2);
  font-size: 0.92rem;
  text-decoration: none;
}

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

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  margin-top: 2.5rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
}

@media (max-width: 52rem) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

/* ---------- Motion ---------- */

@keyframes pulse {
  0% {
    transform: scale(0.6);
    opacity: 0.9;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

/* Reveal-on-scroll only applies when JS is running, so content is never hidden without it. */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s ease,
    transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}