/* =============================================================
   AMUL SHARMA — PORTFOLIO
   Premium editorial / Swiss-inspired redesign
   Design tokens + reusable systems below
   ============================================================= */

/* ---------- DESIGN TOKENS ---------- */
:root {
  /* Color */
  --color-bg: #0a0a0a;
  --color-bg-raised: #111111;
  --color-fg: #f5f5f3;
  --color-fg-muted: rgba(245, 245, 243, 0.62);
  --color-fg-subtle: rgba(245, 245, 243, 0.38);
  --color-border: rgba(245, 245, 243, 0.12);
  --color-border-strong: rgba(245, 245, 243, 0.28);
  --color-accent: #c9ff3d;      /* one restrained technical accent */
  --color-accent-dim: #a3d426;

  /* Typography */
  --font-sans: "Inter", "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --lh-tight: 1.05;
  --lh-heading: 1.15;
  --lh-body: 1.7;

  /* Spacing scale */
  --sp-1: 0.5rem;   /* 8px */
  --sp-2: 0.75rem;  /* 12px */
  --sp-3: 1rem;     /* 16px */
  --sp-4: 1.5rem;   /* 24px */
  --sp-5: 2rem;     /* 32px */
  --sp-6: 3rem;     /* 48px */
  --sp-7: 4rem;     /* 64px */
  --sp-8: 6rem;     /* 96px */
  --sp-9: 8rem;     /* 128px */

  /* Layout */
  --container-max: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.2s;
  --dur-base: 0.4s;
  --dur-slow: 0.7s;
}

/* ---------- RESET & BASE ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  line-height: var(--lh-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Faint dot-grid texture instead of noisy rotating patterns — supports, doesn't compete */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.4;
  background-image: radial-gradient(rgba(245, 245, 243, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}

::selection {
  background: var(--color-accent);
  color: #0a0a0a;
}

a { color: inherit; }

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--sp-5);
}

/* Visually-hidden but accessible (form labels, skip link target text) */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-to-content {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #0a0a0a;
  padding: var(--sp-2) var(--sp-4);
  text-decoration: none;
  font-weight: 700;
  z-index: 1001;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top var(--dur-fast) var(--ease);
}
.skip-to-content:focus { top: 0; }

/* Consistent focus ring across all interactive elements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- ENVIRONMENT LAYERS (Three.js / particles / ring) ---------- */
.scene {
  width: clamp(18rem, 34vw, 32rem);
  height: clamp(18rem, 34vw, 32rem);
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotateX(45deg) rotateY(45deg);
  perspective: 1000px;
  z-index: 0;
  pointer-events: none;
  opacity: 0.12;
  will-change: transform;
}
.wrapper { width: 100%; height: 100%; transform-style: preserve-3d; }
.ball { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; animation: roundandround 26s infinite linear; }
.ball .ring {
  position: absolute; inset: 0;
  border: 1px dashed var(--color-border-strong);
  border-radius: 50%;
  opacity: 0;
  animation: show 0.9s forwards ease-in-out;
}
.ring:nth-child(1) { transform: rotateY(4deg); animation-delay: 0s; }
.ring:nth-child(2) { transform: rotateY(8deg); animation-delay: 0.05s; }
.ring:nth-child(3) { transform: rotateY(12deg); animation-delay: 0.1s; }
.ring:nth-child(4) { transform: rotateY(16deg); animation-delay: 0.15s; }
.ring:nth-child(5) { transform: rotateY(20deg); animation-delay: 0.2s; }
.ring:nth-child(6) { transform: rotateY(24deg); animation-delay: 0.25s; }
.ring:nth-child(7) { transform: rotateY(28deg); animation-delay: 0.3s; }
.ring:nth-child(8) { transform: rotateY(32deg); animation-delay: 0.35s; }
.ring:nth-child(9) { transform: rotateY(36deg); animation-delay: 0.4s; }
.ring:nth-child(10){ transform: rotateY(40deg); animation-delay: 0.45s; }
.ring:nth-child(11){ transform: rotateY(44deg); animation-delay: 0.5s; }
.ring:nth-child(12){ transform: rotateY(48deg); animation-delay: 0.45s; }
.ring:nth-child(13){ transform: rotateY(52deg); animation-delay: 0.4s; }
.ring:nth-child(14){ transform: rotateY(56deg); animation-delay: 0.35s; }
.ring:nth-child(15){ transform: rotateY(60deg); animation-delay: 0.3s; }
.ring:nth-child(16){ transform: rotateY(64deg); animation-delay: 0.25s; }
.ring:nth-child(17){ transform: rotateY(68deg); animation-delay: 0.2s; }
.ring:nth-child(18){ transform: rotateY(72deg); animation-delay: 0.15s; }
.ring:nth-child(19){ transform: rotateY(76deg); animation-delay: 0.1s; }
.ring:nth-child(20){ transform: rotateY(80deg); animation-delay: 0.05s; }
@keyframes roundandround { to { transform: rotateX(360deg) rotateY(360deg); } }
@keyframes show { to { opacity: 0.4; } }

#particles-js {
  position: fixed; inset: 0;
  z-index: 0;
  opacity: 0.35; /* toned down — supports the hero rather than competing */
}
#webgl {
  position: fixed; inset: 0;
  z-index: 1;
  pointer-events: none;
}

.loading {
  position: fixed; inset: 0;
  background: var(--color-bg);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  opacity: 1;
  transition: opacity var(--dur-base) var(--ease);
}
.loading.hidden { opacity: 0; pointer-events: none; }
.loading-spinner {
  width: 2.5rem; height: 2.5rem;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- HEADER / NAV ---------- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-4) var(--sp-6);
  z-index: 100;
  background: rgba(10, 10, 10, 0.4);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), padding var(--dur-fast) var(--ease);
}
header.scrolled {
  padding: var(--sp-2) var(--sp-6);
  background: rgba(10, 10, 10, 0.72);
  border-bottom-color: var(--color-border);
}

.logo {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.datetime-container {
  display: none; /* de-emphasized: a clock competes with identity/nav for attention */
}

nav[role="navigation"] {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}

nav[role="navigation"] a {
  text-decoration: none;
  color: var(--color-fg-muted);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
  padding: var(--sp-1) 0;
  transition: color var(--dur-fast) var(--ease);
}
nav[role="navigation"] a:hover,
nav[role="navigation"] a:focus { color: var(--color-fg); }

nav[role="navigation"] a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--dur-fast) var(--ease);
}
nav[role="navigation"] a:hover::after,
nav[role="navigation"] a.active-link::after { width: 100%; }

nav[role="navigation"] a:last-child {
  color: var(--color-fg);
  border: 1px solid var(--color-border-strong);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
}
nav[role="navigation"] a:last-child:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #0a0a0a;
}
nav[role="navigation"] a:last-child::after { display: none; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border-strong);
  color: var(--color-fg);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  position: relative;
  z-index: 2;
  padding: var(--sp-9) var(--sp-6) var(--sp-7);
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: left;
}

.hero-eyebrow {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--sp-4);
}

.hero h1 {
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  max-width: 20ch;
  margin-bottom: var(--sp-4);
  text-transform: none; /* was uppercase — hurts readability at this size */
}

.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--color-fg-muted);
  max-width: 46ch;
  line-height: var(--lh-body);
  margin-bottom: var(--sp-6);
}

.hero .quote {
  font-size: 0.8125rem;
  color: var(--color-fg-subtle);
  max-width: 32ch;
  line-height: 1.6;
  letter-spacing: 0.01em;
  margin-bottom: var(--sp-4);
  border-left: 2px solid var(--color-border);
  padding-left: var(--sp-3);
}

.hero .tagline { display: none; } /* redundant with h1+subtitle; removed to reduce noise */

.hero-cta {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: var(--sp-3);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  text-transform: none;
}

.hero-cta a:first-child {
  background: var(--color-accent);
  color: #0a0a0a;
}
.hero-cta a:first-child:hover { background: var(--color-accent-dim); transform: translateY(-2px); }

.hero-cta a:last-child {
  background: transparent;
  color: var(--color-fg);
  border-color: var(--color-border-strong);
}
.hero-cta a:last-child:hover { border-color: var(--color-fg); transform: translateY(-2px); }

.cta-btn .arrow { transition: transform var(--dur-fast) var(--ease); }
.cta-btn:hover .arrow { transform: translateX(3px); }

/* ---------- SCROLL PROGRESS ---------- */
#progress {
  position: fixed;
  bottom: var(--sp-4);
  right: var(--sp-5);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--color-fg-subtle);
  z-index: 100;
  background: rgba(10, 10, 10, 0.7);
  padding: var(--sp-1) var(--sp-3);
  border-radius: 999px;
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  font-variant-numeric: tabular-nums;
}

/* ---------- SECTIONS (shared) ---------- */
main section {
  padding: var(--sp-9) var(--sp-6);
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-fg-subtle);
  display: block;
  margin-bottom: var(--sp-2);
}

section h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: var(--lh-heading);
  margin-bottom: var(--sp-6);
  max-width: 18ch;
}

section h2::after { content: none; } /* replaced underline gimmick with section-label above */

/* ---------- ABOUT ---------- */
#about {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-8);
  align-items: start;
}

#about .about-copy p {
  font-size: 1.0625rem;
  line-height: var(--lh-body);
  color: var(--color-fg-muted);
  max-width: 56ch;
  margin-bottom: var(--sp-4);
}

#about .about-copy a {
  color: var(--color-fg);
  text-decoration: underline;
  text-decoration-color: var(--color-border-strong);
  text-underline-offset: 3px;
}
#about .about-copy a:hover { text-decoration-color: var(--color-accent); }

.focus-list {
  border-top: 1px solid var(--color-border);
}
.focus-list h3 {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-fg-subtle);
  padding-top: var(--sp-4);
  margin-bottom: var(--sp-3);
}

/* Skills — numbered categories instead of pill clouds */
.skills-container {
  grid-column: 1 / -1;
  margin-top: var(--sp-7);
  border-top: 1px solid var(--color-border);
}

.skill-category {
  display: grid;
  grid-template-columns: 4rem 10rem 1fr;
  gap: var(--sp-4);
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}

.skill-category .skill-index {
  font-size: 0.8125rem;
  color: var(--color-accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.skill-category h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-fg);
}

.skills ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-5);
  list-style: none;
}

.skills li {
  font-size: 0.9375rem;
  color: var(--color-fg-muted);
  background: none;
  border: none;
  padding: 0;
  transition: color var(--dur-fast) var(--ease);
}
.skills li:hover { color: var(--color-fg); transform: none; box-shadow: none; }

/* ---------- PROJECTS ---------- */
.section-intro {
  font-size: 1.0625rem;
  color: var(--color-fg-muted);
  max-width: 52ch;
  margin-top: calc(-1 * var(--sp-4));
  margin-bottom: var(--sp-7);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: var(--sp-6);
}

.project-card {
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
}

.project-card .project-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #000;
}
.project-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}
.project-card:hover img { transform: scale(1.04); }

.project-card .project-body {
  padding: var(--sp-4) var(--sp-4) var(--sp-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-card .project-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--sp-2);
  gap: var(--sp-2);
}

.project-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project-card .project-index {
  font-size: 0.75rem;
  color: var(--color-fg-subtle);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.project-card p {
  font-size: 0.9375rem;
  color: var(--color-fg-muted);
  line-height: 1.6;
  margin-bottom: var(--sp-3);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-bottom: var(--sp-4);
}
.project-tags span {
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-fg-subtle);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.project-links {
  display: flex;
  gap: var(--sp-4);
  margin-top: auto;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--color-border);
}

.project-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-fg);
  text-decoration: none;
  background: none;
  border: none;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--dur-fast) var(--ease), gap var(--dur-fast) var(--ease);
}
.project-link:hover { color: var(--color-accent); gap: 0.55rem; }

/* ---------- CONTACT ---------- */
#contact {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--sp-8);
  align-items: start;
}

#contact .contact-intro p {
  font-size: 1.0625rem;
  color: var(--color-fg-muted);
  max-width: 40ch;
  margin-bottom: var(--sp-6);
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.contact-channels a {
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-fg);
  padding-bottom: var(--sp-1);
  border-bottom: 1px solid var(--color-border);
  width: fit-content;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.contact-channels a:hover { color: var(--color-accent); border-color: var(--color-accent); }

form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  width: 100%;
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.field label {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-fg-subtle);
}

form input,
form textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: var(--sp-2) 0;
  color: var(--color-fg);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease);
}
form input::placeholder,
form textarea::placeholder { color: var(--color-fg-subtle); }
form input:focus,
form textarea:focus { border-color: var(--color-accent); }
form textarea { resize: vertical; min-height: 6rem; }

form button {
  align-self: flex-start;
  margin-top: var(--sp-2);
  background: var(--color-accent);
  color: #0a0a0a;
  border: none;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
form button:hover { background: var(--color-accent-dim); transform: translateY(-2px); }
form button:active { transform: translateY(0); }

.form-status {
  padding: var(--sp-3);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  display: none;
}
.form-status.success { background: rgba(76, 175, 80, 0.12); border: 1px solid rgba(76, 175, 80, 0.4); color: #7bd88f; }
.form-status.error { background: rgba(244, 67, 54, 0.12); border: 1px solid rgba(244, 67, 54, 0.4); color: #f28b82; }

/* ---------- FOOTER ---------- */
footer {
  padding: var(--sp-7) var(--sp-6) var(--sp-6);
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.footer-heading {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.footer-heading + p,
footer .footer-role {
  font-size: 0.875rem;
  color: var(--color-fg-subtle);
}

.social-links {
  display: flex;
  gap: var(--sp-5);
  flex-wrap: wrap;
}
.social-link {
  font-size: 0.875rem;
  color: var(--color-fg-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.social-link:hover { color: var(--color-fg); }

footer > p:last-child {
  font-size: 0.8125rem;
  color: var(--color-fg-subtle);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  #about, #contact { grid-template-columns: 1fr; }
  .skill-category { grid-template-columns: 3rem 8rem 1fr; }
}

@media (max-width: 768px) {
  header { padding: var(--sp-3) var(--sp-4); }
  .nav-toggle { display: inline-block; }

  nav[role="navigation"] {
    display: none;
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(80vw, 20rem);
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--sp-5);
    padding: var(--sp-6);
    border-left: 1px solid var(--color-border);
  }
  nav[role="navigation"].nav-open { display: flex; }
  nav[role="navigation"] a { font-size: 1.125rem; }

  .hero { padding: var(--sp-8) var(--sp-4) var(--sp-6); align-items: flex-start; }
  .hero h1 { font-size: clamp(2.25rem, 9vw, 3rem); }

  main section { padding: var(--sp-7) var(--sp-4); }

  .skill-category { grid-template-columns: 1fr; gap: var(--sp-2); }

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

  #progress { right: var(--sp-3); bottom: var(--sp-3); font-size: 0.625rem; }

  .scene { width: clamp(14rem, 55vw, 18rem); height: clamp(14rem, 55vw, 18rem); opacity: 0.08; }

  footer { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .hero-cta { flex-direction: column; width: 100%; }
  .cta-btn { width: 100%; justify-content: center; }
}

/* ---------- PRINT ---------- */
@media print {
  header, #progress, .scene, #particles-js, #webgl, .hero-cta, .nav-toggle {
    display: none !important;
  }
  body { background: #fff; color: #000; }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .scene, #particles-js, #webgl { display: none; }
}