/* =============================================
   第一娱乐 · 全站共享样式 /assets/site.css
   设计关键词：编辑部非对称版式 · 命令栏导航 · 档案卡系统 · 赛博夜空
   ============================================= */

/* ---------- 1. Reset & Variables ---------- */
:root {
  color-scheme: dark;

  --color-purple-dark: #2D1B4E;
  --color-purple-deep: #1D1133;
  --color-purple-black: #0A0A1A;
  --color-cyan: #00E5FF;
  --color-pink: #FF3E9A;
  --color-purple-light: #7A5FA8;
  --color-white: #FFFFFF;
  --color-mist: #E6E0F0;
  --color-gray: #A39FB8;

  --font-heading: Orbitron, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --container-w: 1400px;
  --header-h: 64px;
  --transition: 0.25s ease;
  --shadow-cyan: 0 0 20px rgba(0, 229, 255, 0.18);
  --shadow-pink: 0 0 20px rgba(255, 62, 154, 0.18);
}

@media (min-width: 961px) {
  :root {
    --header-h: 80px;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-mist);
  background:
    radial-gradient(900px 420px at 88% -120px, rgba(0, 229, 255, 0.07), transparent 60%),
    radial-gradient(700px 340px at 4% 8%, rgba(255, 62, 154, 0.04), transparent 60%),
    var(--color-purple-dark);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
  flex: 1 0 auto;
}

#main-content {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 800;
  color: var(--color-white);
}

h1 { font-size: clamp(36px, 6vw, 64px); }
h2 { font-size: clamp(28px, 4vw, 40px); }
h3 { font-size: clamp(22px, 2.5vw, 28px); }
h4 { font-size: 20px; }

p {
  margin-bottom: 16px;
}

a {
  color: var(--color-cyan);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

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

ul, ol { padding-left: 24px; }

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

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

[hidden] {
  display: none !important;
}

/* ---------- 2. Header & Navigation ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
  background:
    linear-gradient(rgba(122, 95, 168, 0.045) 1px, transparent 1px) 0 0 / 100% 24px,
    linear-gradient(90deg, rgba(122, 95, 168, 0.045) 1px, transparent 1px) 0 0 / 24px 100%,
    rgba(29, 17, 51, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(122, 95, 168, 0.4);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-pink));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

.skip-link {
  position: fixed;
  z-index: 300;
  top: -100px;
  left: 16px;
  padding: 10px 18px;
  background: var(--color-cyan);
  color: var(--color-purple-black);
  font-weight: 700;
  text-decoration: none;
  transition: top var(--transition);
}

.skip-link:focus-visible {
  top: 12px;
  color: var(--color-purple-black);
}

.header-shell {
  max-width: var(--container-w);
  min-height: var(--header-h);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  color: var(--color-white);
  text-decoration: none;
}

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

.brand-mark {
  position: relative;
  display: block;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  background: var(--color-cyan);
  box-shadow: var(--shadow-cyan);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.brand-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 56%;
  width: 0;
  height: 0;
  transform: translate(-50%, -50%);
  border-left: 9px solid var(--color-purple-dark);
  border-top: 5.5px solid transparent;
  border-bottom: 5.5px solid transparent;
}

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

.brand-name {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-white);
}

.brand-tagline {
  font-size: 11px;
  color: var(--color-gray);
  letter-spacing: 0.32em;
}

.brand-badge {
  margin-left: 4px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-pink);
  background: rgba(255, 62, 154, 0.12);
  border: 1px solid rgba(255, 62, 154, 0.55);
  white-space: nowrap;
  letter-spacing: 0.06em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 8px clamp(16px, 4vw, 48px) 16px;
  background: rgba(29, 17, 51, 0.98);
  border-bottom: 1px solid rgba(122, 95, 168, 0.5);
  box-shadow: 0 28px 40px rgba(10, 10, 26, 0.6);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.site-nav[data-open] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 12px;
  color: var(--color-mist);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  transition: color var(--transition);
}

.nav-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 7px;
  width: 3px;
  background: var(--color-cyan);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.nav-link:hover { color: var(--color-white); }

.nav-link:hover::before,
.nav-link[aria-current="page"]::before {
  transform: scaleY(1);
}

.nav-link[aria-current="page"] {
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.05);
}

.nav-index {
  font-family: var(--font-heading);
  font-size: 11px;
  color: var(--color-gray);
}

.nav-label {
  letter-spacing: 0.03em;
}

.nav-toggle {
  display: flex;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  background: transparent;
  border: 1px solid rgba(122, 95, 168, 0.6);
  border-radius: 2px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-cyan);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 961px) {
  .site-nav {
    position: static;
    padding: 0;
    background: transparent;
    border-bottom: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
    transition: none;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 2px;
  }

  .nav-link {
    padding: 10px 16px;
    font-size: 15px;
  }

  .nav-link::before {
    left: 16px;
    right: 16px;
    top: auto;
    bottom: 2px;
    width: auto;
    height: 2px;
    transform: scaleX(0);
    transform-origin: left;
  }

  .nav-link:hover::before,
  .nav-link[aria-current="page"]::before {
    transform: scaleX(1);
  }

  .nav-link[aria-current="page"] {
    background: transparent;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: 0;
    right: 0;
    z-index: -1;
    background: linear-gradient(90deg, rgba(0, 229, 255, 0.14), rgba(255, 62, 154, 0.05));
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%);
    opacity: 0;
    transition: opacity var(--transition);
  }

  .nav-link:hover::after,
  .nav-link[aria-current="page"]::after {
    opacity: 1;
  }

  .nav-toggle {
    display: none;
  }
}

@media (max-width: 600px) {
  .brand-badge { display: none; }
  .brand-name { font-size: 17px; }
  .brand-mark { width: 32px; height: 32px; }
}

@media (max-width: 480px) {
  .brand-tagline { display: none; }
}

/* ---------- 3. Footer ---------- */

.site-footer {
  flex-shrink: 0;
  position: relative;
  margin-top: 80px;
  background: var(--color-purple-black);
  border-top: 1px solid rgba(122, 95, 168, 0.35);
  color: var(--color-gray);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-cyan) 0%, transparent 55%, var(--color-pink) 100%);
}

.footer-shell {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 56px clamp(16px, 4vw, 48px) 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 900px) {
  .footer-grid {
    grid-template-columns: 4fr 3fr 5fr;
  }
}

.footer-brand {
  min-width: 0;
}

.footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
  text-decoration: none;
}

.footer-brand-link:hover { color: var(--color-white); }

.footer-brand-mark {
  display: block;
  width: 30px;
  height: 30px;
  background: var(--color-cyan);
  box-shadow: var(--shadow-cyan);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.footer-tagline {
  margin: 10px 0 6px;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-purple-light);
}

.footer-trust {
  max-width: 320px;
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-gray);
}

.footer-nav {
  min-width: 0;
}

.footer-title {
  margin-bottom: 14px;
  padding-bottom: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(122, 95, 168, 0.35);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 1;
  column-gap: 20px;
}

.footer-links li {
  break-inside: avoid;
}

.footer-links a {
  display: inline-block;
  padding: 4px 0;
  color: var(--color-gray);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
}

.footer-links a:hover {
  color: var(--color-cyan);
  padding-left: 4px;
}

.footer-contact {
  min-width: 0;
  font-size: 14px;
}

.footer-meta {
  margin-bottom: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-gray);
}

.footer-domain {
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--color-purple-light);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid rgba(122, 95, 168, 0.22);
  font-size: 13px;
  color: var(--color-gray);
}

@media (min-width: 1200px) {
  .footer-links {
    columns: 2;
  }
}

/* ---------- 4. Layout & Page Components ---------- */

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}

.content-shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}

.section {
  padding: 64px 0;
}

@media (min-width: 768px) {
  .section {
    padding: 96px 0;
  }
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
}

.section-index {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-cyan);
  letter-spacing: 0.1em;
}

.section-title {
  margin: 0;
}

.section-subtitle {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-gray);
}

.lead {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-white);
}

.caption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-gray);
}

/* ---------- 5. Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn:hover { color: var(--color-purple-black); }

.btn-primary {
  background: var(--color-cyan);
  border-color: var(--color-cyan);
  color: var(--color-purple-black);
}

.btn-primary:hover {
  background: #66efff;
  color: var(--color-purple-black);
  box-shadow: var(--shadow-cyan);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.btn-outline:hover {
  background: rgba(0, 229, 255, 0.1);
  color: var(--color-cyan);
  box-shadow: inset 0 0 0 1px var(--color-cyan);
}

.btn-pink {
  background: var(--color-pink);
  border-color: var(--color-pink);
  color: var(--color-white);
}

.btn-pink:hover {
  background: #ff6fb4;
  color: var(--color-white);
  box-shadow: var(--shadow-pink);
}

/* ---------- 6. Breadcrumb ---------- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  font-size: 14px;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--color-purple-light);
}

.breadcrumb-link {
  color: var(--color-cyan);
  text-decoration: none;
}

.breadcrumb-link:hover { color: var(--color-white); }

.breadcrumb-current { color: var(--color-gray); }

/* ---------- 7. Cards ---------- */

.card {
  display: block;
  padding: 24px;
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(122, 95, 168, 0.4);
  border-radius: 0;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
}

.card-title {
  margin: 0 0 8px;
  font-size: 20px;
}

.card-meta {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--color-gray);
}

.card-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-mist);
}

/* ---------- 8. Tags ---------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--color-purple-light);
  border-radius: 0;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-mist);
  background: transparent;
  letter-spacing: 0.04em;
}

.tag-cyan {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.06);
}

.tag-pink {
  border-color: var(--color-pink);
  color: var(--color-pink);
  background: rgba(255, 62, 154, 0.08);
}

/* ---------- 9. Tabs ---------- */

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  border-bottom: 1px solid rgba(122, 95, 168, 0.35);
}

.tab-btn {
  position: relative;
  z-index: 0;
  appearance: none;
  padding: 10px 18px;
  margin-bottom: -1px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 3px solid transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-gray);
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}

.tab-btn:hover { color: var(--color-white); }

.tab-btn[aria-selected="true"] {
  z-index: 1;
  color: var(--color-cyan);
  border-color: rgba(122, 95, 168, 0.4);
  border-bottom-color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.05);
}

.tab-panel {
  padding: 24px 0 40px;
}

.tab-panel[hidden] { display: none; }

/* ---------- 10. Accordion ---------- */

.accordion {
  border-top: 1px solid rgba(122, 95, 168, 0.35);
}

.accordion-item {
  background: rgba(29, 17, 51, 0.3);
  border-bottom: 1px solid rgba(122, 95, 168, 0.35);
  transition: background var(--transition);
}

.accordion-item[data-open] {
  background: rgba(0, 229, 255, 0.03);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: transparent;
  border: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.accordion-trigger:hover { color: var(--color-cyan); }

.accordion-icon {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  background: var(--color-cyan);
  transition: transform var(--transition);
}

.accordion-icon::before {
  top: 8px;
  left: 0;
  width: 18px;
  height: 2px;
}

.accordion-icon::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.accordion-item[data-open] .accordion-icon::after {
  transform: scaleY(0);
}

.accordion-panel {
  display: none;
  padding: 0 20px 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-mist);
}

.accordion-item[data-open] .accordion-panel {
  display: block;
}

/* ---------- 11. Callout & Quote ---------- */

.callout {
  margin: 24px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--color-cyan);
  background: rgba(0, 229, 255, 0.05);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-mist);
}

.callout-pink {
  border-left-color: var(--color-pink);
  background: rgba(255, 62, 154, 0.05);
}

.callout-title {
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
}

blockquote {
  margin: 32px 0;
  padding: 16px 24px;
  border-left: 3px solid var(--color-pink);
  background: rgba(255, 62, 154, 0.04);
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.4;
}

/* ---------- 12. Eyebrow & Divider ---------- */

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.divider {
  border: 0;
  height: 1px;
  margin: 48px 0;
  background: linear-gradient(90deg, var(--color-cyan), transparent 80%);
}

/* ---------- 13. Image Frame ---------- */

.image-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    linear-gradient(rgba(122, 95, 168, 0.05) 1px, transparent 1px) 0 0 / 20px 20px,
    linear-gradient(90deg, rgba(122, 95, 168, 0.05) 1px, transparent 1px) 0 0 / 20px 20px,
    var(--color-purple-deep);
  border: 1px solid rgba(122, 95, 168, 0.4);
  color: var(--color-gray);
  font-size: 14px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.image-frame[data-ratio="4:3"] { aspect-ratio: 4 / 3; }
.image-frame[data-ratio="1:1"] { aspect-ratio: 1 / 1; }
.image-frame[data-ratio="16:10"] { aspect-ratio: 16 / 10; }

.image-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 14. Grid & Split Layout ---------- */

.grid {
  display: grid;
  gap: 24px;
}

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

@media (min-width: 768px) {
  .grid-feature {
    grid-template-columns: 2fr 1fr;
  }
}

.layout-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 900px) {
  .layout-split {
    grid-template-columns: 2fr 4fr;
    align-items: start;
  }

  .layout-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

/* ---------- 15. Reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

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

/* ---------- 16. Reduced Motion ---------- */

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

  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-timing-function: step-start !important;
  }

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