/* Asterian · Life on RO-20
   One dark page, lit from inside: deep-sea navy, kelp green, lamp blue.
   No framework, no build step. */

:root {
  --bg: #050a12;
  --bg-2: #0a1322;
  --ink: #e8f1ee;
  --ink-dim: rgba(232, 241, 238, 0.68);
  --ink-faint: rgba(232, 241, 238, 0.42);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --glass: rgba(255, 255, 255, 0.04);
  --kelp: #b8e986;
  --teal: #6ee7c8;
  --lamp: #7cc4ff;
  --sun: #f3e9a8;
  --glow: rgba(110, 231, 200, 0.55);
  --radius: 22px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --mx: 50%;
  --my: 30%;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.locked {
  overflow: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.6rem 1rem;
  background: var(--teal);
  color: var(--bg);
  border-radius: 999px;
  z-index: 100;
}

.skip:focus {
  top: 1rem;
}

/* Film grain over everything: a tiny SVG noise texture, barely visible, keeps the gradients from banding. */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  top: 1rem;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  justify-content: center;
  padding: 0 1rem;
  pointer-events: none;
}

.nav-pill {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.45rem 0.5rem 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 19, 34, 0.55);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, var(--kelp), transparent 45%),
    radial-gradient(circle at 70% 70%, var(--teal), var(--bg) 70%);
  box-shadow: 0 0 18px var(--glow);
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: block;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  color: var(--ink-dim);
  font-size: 0.92rem;
  transition:
    color 0.2s,
    background 0.2s;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
}

.nav-cta {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--bg);
  background: linear-gradient(135deg, var(--kelp), var(--teal));
  font-weight: 600;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
  isolation: isolate;
}

/* Cursor spotlight, driven by --mx / --my from app.js. */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    560px circle at var(--mx) var(--my),
    rgba(110, 231, 200, 0.14),
    transparent 60%
  );
  transition: background 0.15s;
}

.aurora {
  position: absolute;
  inset: -20%;
  z-index: 0;
  filter: blur(90px) saturate(120%);
  opacity: 0.75;
}

.aurora span {
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: screen;
}

.aurora span:nth-child(1) {
  width: 55vw;
  height: 55vw;
  left: 5%;
  top: 10%;
  background: radial-gradient(circle, rgba(110, 231, 200, 0.5), transparent 65%);
  animation: drift-a 26s ease-in-out infinite alternate;
}

.aurora span:nth-child(2) {
  width: 50vw;
  height: 50vw;
  right: 0;
  top: 20%;
  background: radial-gradient(circle, rgba(124, 196, 255, 0.45), transparent 65%);
  animation: drift-b 32s ease-in-out infinite alternate;
}

.aurora span:nth-child(3) {
  width: 45vw;
  height: 45vw;
  left: 35%;
  bottom: 0;
  background: radial-gradient(circle, rgba(184, 233, 134, 0.35), transparent 65%);
  animation: drift-c 38s ease-in-out infinite alternate;
}

@keyframes drift-a {
  to {
    transform: translate(12vw, 8vh) scale(1.15);
  }
}

@keyframes drift-b {
  to {
    transform: translate(-10vw, 12vh) scale(0.9);
  }
}

@keyframes drift-c {
  to {
    transform: translate(-8vw, -10vh) scale(1.1);
  }
}

/* Faint graph-paper grid that fades toward the edges. */
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(8rem, 18vh, 12rem) 1.5rem 4rem;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.5rem;
  padding: 0.4rem 0.95rem 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--ink-dim);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kelp);
  box-shadow: 0 0 0 0 rgba(184, 233, 134, 0.6);
  animation: pulse 2.2s ease-out infinite;
}

@keyframes pulse {
  to {
    box-shadow: 0 0 0 12px rgba(184, 233, 134, 0);
  }
}

h1 {
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 1.02;
  margin: 0 auto 1.5rem;
  max-width: 22ch;
}

h1 em {
  font-style: italic;
}

/* Gradient text with a slow light sweep. */
.shimmer {
  background: linear-gradient(
    100deg,
    var(--kelp) 0%,
    var(--teal) 30%,
    var(--sun) 50%,
    var(--teal) 70%,
    var(--lamp) 100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sweep 9s linear infinite;
}

@keyframes sweep {
  to {
    background-position: -220% 0;
  }
}

.lede {
  max-width: 56ch;
  margin: 0 auto 2.25rem;
  color: var(--ink-dim);
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition:
    transform 0.25s var(--ease),
    box-shadow 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--line-strong);
  background: var(--glass);
  color: var(--ink);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Moving-border button: a rotating conic gradient shows through a 1.5px ring. */
@property --angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

.btn-glow {
  padding: 1.5px;
  background: conic-gradient(
    from var(--angle),
    transparent 0 55%,
    var(--teal) 75%,
    var(--kelp) 85%,
    transparent 100%
  );
  animation: spin 3.2s linear infinite;
  box-shadow: 0 0 32px rgba(110, 231, 200, 0.25);
}

.btn-glow span {
  display: block;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #14233a, #0b1424);
  color: var(--ink);
}

.btn-glow:hover {
  box-shadow: 0 0 48px rgba(110, 231, 200, 0.45);
}

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

/* Infinite marquee of organism names. */
.marquee {
  position: relative;
  z-index: 2;
  padding: 1.5rem 0 2.5rem;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
}

.marquee-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  animation: marquee 48s linear infinite;
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-track i {
  font-style: normal;
  color: var(--teal);
  margin-left: 2.5rem;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

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

.section {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

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

.kicker {
  margin: 0 0 0.5rem;
  color: var(--teal);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  line-height: 1.1;
}

.section-note {
  margin: 0;
  max-width: 36ch;
  color: var(--ink-dim);
}

.chips {
  display: flex;
  gap: 0.5rem;
  padding: 0.3rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--glass);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.95rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-dim);
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s;
}

.chip span {
  font-size: 0.75rem;
  color: var(--ink-faint);
}

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

.chip[aria-pressed="true"] {
  background: rgba(255, 255, 255, 0.1);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.chip[aria-pressed="true"] span {
  color: var(--teal);
}

/* ---------- Bento gallery ---------- */

.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: clamp(220px, 24vw, 320px);
  grid-auto-flow: dense;
  gap: 1rem;
}

.card {
  --c: 2;
  --r: 1;
  --x: 50%;
  --y: 50%;
  --rx: 0deg;
  --ry: 0deg;
  grid-column: span var(--c);
  grid-row: span var(--r);
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-2);
  border: 1px solid var(--line);
  transform: perspective(1200px) rotateX(var(--rx)) rotateY(var(--ry));
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s,
    border-color 0.35s;
  will-change: transform;
}

.card[hidden] {
  display: none;
}

/* Cell sizes come from data attributes set in app.js, so the filter rule below can override them. */
.card[data-c="4"] {
  --c: 4;
}

.card[data-r="2"] {
  --r: 2;
}

.bento[data-filter="scene"] .card {
  --c: 3;
}

.card:hover,
.card:focus-visible {
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow:
    0 30px 60px -20px rgba(0, 0, 0, 0.7),
    0 0 40px -10px var(--glow);
  z-index: 2;
}

.card:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
  transition:
    transform 0.8s var(--ease),
    filter 0.5s;
  filter: saturate(0.92) brightness(0.92);
}

.card:hover .card-img {
  transform: scale(1.07);
  filter: saturate(1.05) brightness(1);
}

/* Border light that follows the cursor: paint a radial glow, then mask it to a 1px ring. */
.card-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
  background: radial-gradient(
    380px circle at var(--x) var(--y),
    rgba(184, 233, 134, 0.95),
    rgba(110, 231, 200, 0.5) 30%,
    transparent 60%
  );
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
}

.card:hover .card-glow {
  opacity: 1;
}

/* Soft inner light following the cursor too. */
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
  background: radial-gradient(
    420px circle at var(--x) var(--y),
    rgba(255, 255, 255, 0.1),
    transparent 55%
  );
}

.card:hover::after {
  opacity: 1;
}

.card-top {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  right: 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.num,
.tag {
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(5, 10, 18, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ink-dim);
}

.num {
  font-variant-numeric: tabular-nums;
  color: var(--teal);
}

.card-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 3.5rem 1.2rem 1.2rem;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(5, 10, 18, 0.55) 45%,
    rgba(5, 10, 18, 0.92)
  );
  display: grid;
  gap: 0.2rem;
}

.card-name {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.1;
}

.card-sum {
  color: var(--ink-dim);
  font-size: 0.92rem;
  max-width: 44ch;
  transform: translateY(6px);
  opacity: 0.85;
  transition:
    transform 0.4s var(--ease),
    opacity 0.4s;
}

.card:hover .card-sum {
  transform: translateY(0);
  opacity: 1;
}

/* ---------- Timeline ---------- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 0.75rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  top: 1rem;
  bottom: 1rem;
  width: 2px;
  background: linear-gradient(180deg, var(--kelp), var(--teal) 50%, var(--lamp));
  opacity: 0.6;
  border-radius: 2px;
}

.timeline li {
  position: relative;
  padding-left: 3.2rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: calc(1.1rem - 5px);
  top: 1.25rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--teal);
  box-shadow: 0 0 14px var(--glow);
}

.timeline a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: 16px;
  border: 1px solid transparent;
  transition:
    background 0.25s,
    border-color 0.25s,
    transform 0.25s var(--ease);
}

.timeline a:hover,
.timeline a:focus-visible {
  background: var(--glass);
  border-color: var(--line);
  transform: translateX(4px);
}

.timeline strong {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15rem;
}

.timeline small {
  display: block;
  color: var(--ink-dim);
}

.timeline img {
  width: 76px;
  height: 56px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
}

/* ---------- About tiles ---------- */

.tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.tile {
  grid-column: span 1;
  padding: 1.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(600px circle at 0% 0%, rgba(110, 231, 200, 0.08), transparent 50%), var(--glass);
  position: relative;
  overflow: hidden;
}

.tile-wide {
  grid-column: span 2;
}

.tile h3 {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}

.tile p {
  margin: 0 0 0.8rem;
  color: var(--ink-dim);
}

.tile p:last-child {
  margin-bottom: 0;
}

.signature {
  font-family: "Snell Roundhand", "Brush Script MT", "Segoe Script", cursive;
  font-size: 2.6rem;
  color: var(--ink) !important;
  opacity: 0.9;
  margin-top: 1rem !important;
  text-shadow: 0 0 24px rgba(255, 255, 255, 0.25);
}

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

.footer {
  max-width: 1240px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  border-top: 1px solid var(--line);
  color: var(--ink-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer p {
  margin: 0;
}

.footer-sub {
  color: var(--ink-faint);
}

/* ---------- Lightbox ---------- */

.lightbox {
  width: min(1400px, 96vw);
  height: min(900px, 94svh);
  max-width: none;
  max-height: none;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background: #080f1b;
  color: var(--ink);
  overflow: hidden;
  box-shadow: 0 50px 120px rgba(0, 0, 0, 0.7);
}

.lightbox::backdrop {
  background: rgba(3, 6, 12, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.lightbox[open] {
  animation: lb-in 0.35s var(--ease);
}

@keyframes lb-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.985);
  }
}

.lb-frame {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 380px);
  height: 100%;
}

.lb-figure {
  margin: 0;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background:
    radial-gradient(800px circle at 30% 20%, rgba(110, 231, 200, 0.08), transparent 60%), #050a12;
  min-height: 0;
}

.lb-figure img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.lb-panel {
  display: flex;
  flex-direction: column;
  padding: 2rem 1.75rem 1.5rem;
  border-left: 1px solid var(--line);
  overflow-y: auto;
  min-height: 0;
}

.lb-count {
  margin: 0 0 0.75rem;
  color: var(--teal);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.lb-panel h2 {
  font-size: 2rem;
  margin-bottom: 0.4rem;
}

.lb-meta {
  margin: 0 0 1.25rem;
  color: var(--ink-faint);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
}

.lb-meta span::before {
  content: "·";
  margin-right: 0.8rem;
}

.lb-meta span:first-child::before {
  content: none;
}

.lb-notes {
  flex: 1;
  color: var(--ink-dim);
  font-size: 0.97rem;
}

.lb-notes p {
  margin: 0 0 0.9rem;
}

.lb-notes .fun {
  margin-top: 1.25rem;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(184, 233, 134, 0.25);
  background: rgba(184, 233, 134, 0.06);
  color: var(--ink);
}

.lb-notes .fun strong {
  display: block;
  color: var(--kelp);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.lb-nav {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.lb-nav button,
.lb-close {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--glass);
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.2s var(--ease);
}

.lb-nav button:hover,
.lb-close:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.lb-nav svg,
.lb-close svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lb-close {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  z-index: 3;
  width: 42px;
  height: 42px;
  padding: 0;
  justify-content: center;
  background: rgba(8, 15, 27, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ---------- Scroll reveal ---------- */

/* Uses the standalone `translate` property so it never fights the card tilt `transform`. */
.reveal {
  opacity: 0;
  translate: 0 22px;
  transition:
    opacity 0.7s var(--ease),
    translate 0.7s var(--ease);
}

.reveal.in {
  opacity: 1;
  translate: none;
}

.hero .reveal:nth-child(2) {
  transition-delay: 0.1s;
}

.hero .reveal:nth-child(3) {
  transition-delay: 0.2s;
}

.hero .reveal:nth-child(4) {
  transition-delay: 0.3s;
}

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
  .bento {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: clamp(200px, 30vw, 300px);
  }

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

  .lb-frame {
    grid-template-columns: 1fr minmax(280px, 320px);
  }
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
  }

  .bento {
    grid-template-columns: 1fr;
    grid-auto-rows: minmax(240px, 62vw);
  }

  /* One column: every card is the same size, whatever its data attributes or the filter say. */
  .bento .card {
    --c: 1 !important;
    --r: 1 !important;
  }

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

  .tile-wide {
    grid-column: span 1;
  }

  .lightbox {
    width: 100vw;
    height: 100svh;
    border-radius: 0;
    border: 0;
  }

  .lb-frame {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 52svh) 1fr;
  }

  .lb-panel {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 1.5rem 1.25rem;
  }

  .section {
    padding: 3.5rem 1rem;
  }
}

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

  .aurora span,
  .shimmer,
  .btn-glow,
  .marquee-track,
  .pulse,
  .lightbox[open] {
    animation: none;
  }

  .card,
  .card-img,
  .card-sum,
  .reveal {
    transition: none;
  }

  .reveal {
    opacity: 1;
    translate: none;
  }
}