/* =========================================================
   BEPLAY「CN」 SITE.CSS — 全站共享层
   概念：RAPID_BLUEPRINT / 疾速蓝图
   ========================================================= */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}

html.is-scroll-locked {
  overflow: hidden;
}

body {
  min-height: 100vh;
  min-height: 100svh;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

dl,
dd,
dt {
  margin: 0;
}

/* ---------- Variables ---------- */
:root {
  --deep-black: #0A0E17;
  --electric-blue: #00A3FF;
  --cyan-slate: #13243A;
  --fluorescent-green: #39FF14;
  --neon-orange: #FF5E00;
  --silver: #B0B8C4;
  --white: #FFFFFF;
  --muted: #64748B;
  --divider: #243247;
  --shadow: rgba(0, 0, 0, 0.6);

  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Roboto', 'Noto Sans SC', 'PingFang SC', sans-serif;
  --font-data: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --header-h: 72px;
  --header-topline-h: 28px;
  --header-total: calc(var(--header-h) + var(--header-topline-h));
  --container-w: 1440px;
  --gutter: 24px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (max-width: 1023px) {
  :root {
    --header-h: 60px;
  }
}

@media (max-width: 639px) {
  :root {
    --gutter: 16px;
  }
}

/* ---------- Base ---------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--silver);
  background-color: var(--deep-black);
  background-image:
    linear-gradient(rgba(36, 50, 71, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 50, 71, 0.28) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--white);
  line-height: 1.18;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h1 { font-size: clamp(36px, 5.5vw, 72px); }
h2 { font-size: clamp(26px, 3.8vw, 44px); }
h3 { font-size: clamp(20px, 2.4vw, 28px); }
h4 { font-size: clamp(16px, 1.6vw, 18px); }

p {
  margin-bottom: 1em;
}

strong {
  color: var(--white);
  font-weight: 700;
}

a {
  color: var(--electric-blue);
  transition: color 0.2s ease;
}

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

:focus-visible {
  outline: 2px solid var(--electric-blue);
  outline-offset: 3px;
}

::selection {
  background: var(--electric-blue);
  color: var(--deep-black);
}

/* ---------- Layout ---------- */
.container {
  width: min(calc(100% - var(--gutter) * 2), var(--container-w));
  margin-inline: auto;
}

.container--narrow {
  max-width: 880px;
}

.page-top {
  padding-top: calc(var(--header-total) + 48px);
}

#main-content {
  display: block;
  scroll-margin-top: calc(var(--header-total) + 16px);
}

.page-hero {
  position: relative;
  padding: calc(var(--header-total) + 56px) 0 56px;
  border-bottom: 2px solid var(--divider);
}

.page-hero__index {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-hero__title {
  display: block;
}

.page-hero__desc {
  max-width: 720px;
  margin-top: 16px;
  color: var(--silver);
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 40px;
}

.page-grid__span-4 { grid-column: span 4; }
.page-grid__span-5 { grid-column: span 5; }
.page-grid__span-6 { grid-column: span 6; }
.page-grid__span-7 { grid-column: span 7; }
.page-grid__span-8 { grid-column: span 8; }
.page-grid__span-12 { grid-column: 1 / -1; }

.section {
  position: relative;
  padding: 72px 0;
}

.section__index {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--muted);
  text-transform: uppercase;
}

.section__index::before {
  content: "";
  width: 40px;
  height: 2px;
  background: var(--electric-blue);
  flex-shrink: 0;
}

.section__header {
  margin-bottom: 32px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  margin-bottom: 24px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "//";
  margin: 0 10px;
  color: var(--muted);
}

.breadcrumb__item a {
  color: var(--muted);
}

.breadcrumb__item a:hover,
.breadcrumb__item a:focus-visible {
  color: var(--electric-blue);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--white);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border: 2px solid var(--electric-blue);
  background: transparent;
  color: var(--electric-blue);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
  transition: background 0.22s ease, color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--electric-blue);
  color: var(--deep-black);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.45);
  transform: translate(-2px, -2px);
}

.btn--primary {
  background: var(--electric-blue);
  color: var(--deep-black);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: transparent;
  color: var(--electric-blue);
  box-shadow: 6px 6px 0 rgba(0, 163, 255, 0.25);
}

.btn--ghost {
  border-color: var(--divider);
  color: var(--silver);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--electric-blue);
  background: rgba(0, 163, 255, 0.08);
  color: var(--electric-blue);
  box-shadow: none;
  transform: none;
}

/* ---------- Metric Dashboard ---------- */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.metric {
  padding: 20px 24px;
  background: rgba(19, 36, 58, 0.45);
  border: 1px solid var(--divider);
  border-left: 3px solid var(--electric-blue);
}

.metric__value {
  font-family: var(--font-data);
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}

.metric__label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ---------- Tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--divider);
  background: var(--cyan-slate);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.tag--new {
  border-color: var(--electric-blue);
  color: var(--electric-blue);
}

.tag--hot {
  border-color: var(--neon-orange);
  color: var(--neon-orange);
}

.tag--ok {
  border-color: var(--fluorescent-green);
  color: var(--fluorescent-green);
}

/* ---------- Media / Image Placeholder ---------- */
.media {
  position: relative;
  background: var(--cyan-slate);
  border: 1px solid var(--divider);
  overflow: hidden;
}

.media::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.media--ratio-4-3::before {
  padding-top: 75%;
}

.media--ratio-1-1::before {
  padding-top: 100%;
}

.media > img,
.media > picture > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-align: center;
  text-transform: uppercase;
  background-image:
    linear-gradient(rgba(36, 50, 71, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 50, 71, 0.4) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ---------- Notice ---------- */
.notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  border: 1px solid var(--divider);
  border-left: 3px solid var(--electric-blue);
  background: rgba(19, 36, 58, 0.4);
  font-size: 14px;
  color: var(--silver);
}

.notice--warn {
  border-left-color: var(--neon-orange);
}

.notice--ok {
  border-left-color: var(--fluorescent-green);
}

/* ---------- Table ---------- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--divider);
  text-align: left;
  vertical-align: top;
}

.table th {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
  border-bottom: 2px solid var(--divider);
}

.table td {
  color: var(--silver);
}

/* ---------- Vertical Note ---------- */
.rotate-note {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ---------- Screen Reader Only ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Site Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1600;
  background: rgba(10, 14, 23, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--divider);
  visibility: visible;
  transition: transform 0.3s var(--ease-out), visibility 0s;
}

.site-header.is-hidden {
  visibility: hidden;
  transform: translateY(-100%);
  transition: transform 0.3s var(--ease-out), visibility 0s 0.3s;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 3000;
  padding: 12px 20px;
  background: var(--electric-blue);
  color: var(--deep-black);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.06em;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
  outline: none;
}

.site-header__topline {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--header-topline-h);
  padding: 0 var(--gutter);
  background: rgba(19, 36, 58, 0.5);
  border-bottom: 1px solid rgba(36, 50, 71, 0.7);
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.site-header__online {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fluorescent-green);
}

.site-header__online-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fluorescent-green);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.7);
  animation: led-pulse 2.4s ease-in-out infinite;
}

@keyframes led-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(calc(100% - var(--gutter) * 2), var(--container-w));
  min-height: var(--header-h);
  margin-inline: auto;
}

.site-brand {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  line-height: 1.15;
}

.site-brand__mark {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--white);
  transition: color 0.2s ease;
}

.site-brand__tag {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.site-brand:hover .site-brand__mark {
  color: var(--electric-blue);
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
}

.site-nav__link {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 2px solid transparent;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--silver);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-nav__index {
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0;
}

.site-nav__label {
  white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--white);
}

.site-nav__link:hover .site-nav__index,
.site-nav__link:focus-visible .site-nav__index {
  color: var(--electric-blue);
}

.site-nav__link[aria-current="page"] {
  color: var(--white);
  border-bottom-color: var(--electric-blue);
}

.site-nav__link[aria-current="page"] .site-nav__index {
  color: var(--electric-blue);
}

.site-nav__title,
.site-nav__cta,
.site-nav__close {
  display: none;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.site-header__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--electric-blue);
  border: 2px solid var(--electric-blue);
  color: var(--deep-black);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-header__cta:hover,
.site-header__cta:focus-visible {
  background: transparent;
  color: var(--electric-blue);
}

.site-header__cta-arrow {
  font-family: var(--font-data);
  font-size: 14px;
  line-height: 1;
}

.site-nav-toggle {
  display: none;
}

/* ---------- Header Responsive ---------- */
@media (max-width: 1279px) and (min-width: 1024px) {
  .site-nav__link {
    padding: 10px 8px;
    font-size: 13px;
  }

  .site-brand__mark {
    font-size: 18px;
  }

  .site-header__cta {
    padding: 8px 12px;
    font-size: 12px;
  }
}

@media (max-width: 1023px) {
  .site-header__coord,
  .site-header__ver {
    display: none;
  }

  .site-header__cta {
    display: none;
  }

  .site-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--divider);
    background: var(--cyan-slate);
    transition: border-color 0.2s ease;
  }

  .site-nav-toggle:hover,
  .site-nav-toggle:focus-visible {
    border-color: var(--electric-blue);
  }

  .site-nav-toggle__box {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 18px;
  }

  .site-nav-toggle__line {
    display: block;
    height: 2px;
    background: var(--white);
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .site-nav-toggle.is-active .site-nav-toggle__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-nav-toggle.is-active .site-nav-toggle__line:nth-child(2) {
    opacity: 0;
  }

  .site-nav-toggle.is-active .site-nav-toggle__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    top: var(--header-total);
    right: 0;
    bottom: 0;
    z-index: 1500;
    display: flex;
    flex-direction: column;
    flex: none;
    width: min(340px, 88vw);
    padding: 56px 28px 32px;
    background: var(--deep-black);
    border-left: 1px solid var(--divider);
    box-shadow: -24px 0 60px rgba(0, 0, 0, 0.55);
    transform: translateX(100%);
    transition: transform 0.32s var(--ease-out);
    overflow-y: auto;
  }

  .site-nav[data-open] {
    transform: translateX(0);
  }

  body.is-nav-open::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1400;
    background: rgba(4, 6, 10, 0.72);
  }

  .site-nav__title {
    display: block;
    margin-bottom: 20px;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav__item {
    border-bottom: 1px solid rgba(36, 50, 71, 0.7);
  }

  .site-nav__link {
    position: relative;
    padding: 14px 4px;
    font-size: 18px;
    border-bottom: none;
  }

  .site-nav__link[aria-current="page"] {
    border-bottom: none;
  }

  .site-nav__link[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 22px;
    background: var(--electric-blue);
  }

  .site-nav__index {
    min-width: 28px;
  }

  .site-nav__cta {
    display: block;
    margin-top: 28px;
    padding: 14px 20px;
    background: var(--electric-blue);
    border: 2px solid var(--electric-blue);
    color: var(--deep-black);
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 14px;
    letter-spacing: 0.05em;
    text-align: center;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .site-nav__cta:hover,
  .site-nav__cta:focus-visible {
    background: transparent;
    color: var(--electric-blue);
  }

  .site-nav__close {
    display: flex;
    position: absolute;
    top: 16px;
    right: 16px;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--divider);
    color: var(--silver);
    font-size: 16px;
    transition: border-color 0.2s ease, color 0.2s ease;
  }

  .site-nav__close:hover,
  .site-nav__close:focus-visible {
    border-color: var(--electric-blue);
    color: var(--white);
  }
}

/* ---------- Site Footer ---------- */
.site-footer {
  background: var(--cyan-slate);
  border-top: 4px solid var(--divider);
  color: var(--silver);
}

.site-footer__topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px var(--gutter);
  border-bottom: 1px solid rgba(36, 50, 71, 0.7);
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.site-footer__container {
  width: min(calc(100% - var(--gutter) * 2), var(--container-w));
  margin-inline: auto;
  padding: 56px 0 24px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1.1fr 0.6fr;
  gap: 48px;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.site-footer__mark {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 28px;
  letter-spacing: 0.04em;
  color: var(--white);
}

.site-footer__tag {
  margin-top: 4px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--electric-blue);
  text-transform: uppercase;
}

.site-footer__trust {
  margin-top: 20px;
  max-width: 440px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
}

.site-footer__contact-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(36, 50, 71, 0.7);
}

.site-footer__contact-item:first-child {
  padding-top: 0;
}

.site-footer__contact-label {
  padding-top: 3px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.site-footer__contact-value {
  font-size: 14px;
  color: var(--silver);
  word-break: break-word;
}

.site-footer__copy {
  border-bottom: 1px dashed var(--electric-blue);
  padding-bottom: 1px;
  font-size: inherit;
  color: inherit;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-footer__copy:hover,
.site-footer__copy:focus-visible {
  color: var(--electric-blue);
  border-bottom-style: solid;
}

.site-footer__copy[data-copied] {
  color: var(--fluorescent-green);
  border-color: var(--fluorescent-green);
}

.site-footer__nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.site-footer__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--silver);
  transition: color 0.2s ease, transform 0.2s ease;
}

.site-footer__link::before {
  content: "→";
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--electric-blue);
  transition: color 0.2s ease;
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: var(--white);
  transform: translateX(4px);
}

.site-footer__link:hover::before {
  color: var(--fluorescent-green);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 2px solid var(--divider);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.site-footer__copyright {
  display: inline-flex;
  gap: 4px;
}

@media (max-width: 1023px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .site-footer__container {
    padding-top: 40px;
  }
}

@media (max-width: 639px) {
  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .site-footer__topline {
    flex-wrap: wrap;
  }
}

/* ---------- Grid Responsive ---------- */
@media (max-width: 1023px) {
  .page-grid {
    gap: 24px;
  }

  .page-grid__span-4,
  .page-grid__span-5,
  .page-grid__span-6,
  .page-grid__span-7,
  .page-grid__span-8 {
    grid-column: 1 / -1;
  }

  .page-hero {
    padding-top: calc(var(--header-total) + 32px);
  }
}

/* ---------- Scroll Reveal ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 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;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }

  .site-header.is-hidden {
    visibility: visible;
  }
}