/* =========================================================
   微乐官网 · 共享样式 /assets/site.css
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 132px;
}

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dd {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

img, svg { max-width: 100%; }

button { font: inherit; color: inherit; }

a { color: inherit; }

/* ---------- variables ---------- */
:root {
  /* 色彩体系 */
  --paper: #F5F1E8;
  --paper-2: #E4E0D6;
  --ink: #12171F;
  --blue: #1B4F86;
  --blue-soft: #5B87B6;
  --ice: #CFE0EF;
  --orange: #E1591F;
  --orange-soft: #F7CBA8;
  --green: #3F7C6B;
  --amber: #F2B233;

  --line: rgba(18, 23, 31, 0.16);
  --line-blue: rgba(27, 79, 134, 0.28);
  --line-light: rgba(245, 241, 232, 0.24);
  --ink-soft: rgba(245, 241, 232, 0.82);

  /* 字体 */
  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  /* 字号七级 */
  --fs-96: clamp(52px, 9vw, 96px);
  --fs-64: clamp(38px, 5.6vw, 64px);
  --fs-40: clamp(30px, 3.6vw, 40px);
  --fs-28: clamp(22px, 2.4vw, 28px);
  --fs-20: 20px;
  --fs-17: 17px;
  --fs-14: 14px;

  --gap: clamp(16px, 2.4vw, 32px);
  --pad-block: clamp(32px, 6vw, 88px);
  --wrap-max: 1240px;
  --wrap-pad: clamp(18px, 4vw, 44px);

  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- base ---------- */
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-17);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.mono,
.mono-num,
.mono-tag,
.nav-caption,
.footer-col-title,
.footer-tagline,
.breadcrumb,
.media-caption,
.note {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.mono-num {
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue-soft);
}

.mono-tag {
  display: inline-block;
  margin-right: 10px;
  padding: 1px 7px;
  border: 1px solid var(--green);
  color: var(--green);
  font-size: 11px;
  letter-spacing: 0.12em;
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 布局容器 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: var(--wrap-pad);
}

.prose {
  max-width: 68ch;
  font-size: var(--fs-17);
  line-height: 1.75;
}

.prose p + p { margin-top: 1em; }

.prose h2 {
  font-size: var(--fs-28);
  margin: 1.6em 0 0.6em;
}

.prose h3 {
  font-size: var(--fs-20);
  margin: 2em 0 0.6em;
}

.lede {
  font-size: var(--fs-20);
  line-height: 1.7;
  color: var(--blue);
  max-width: 60ch;
}

.note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--green);
  border-left: 2px solid var(--green);
  padding-left: 12px;
}

.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

.rule--blue { border-top-color: var(--line-blue); }

/* ---------- 堆叠面板 ---------- */
.panel {
  position: relative;
  padding: var(--pad-block) 0;
}

.panel--paper { background: var(--paper); }
.panel--paper-2 { background: var(--paper-2); }
.panel--ice { background: var(--ice); }
.panel--seam { border-top: 2px solid var(--blue); }

.panel--ink {
  background: var(--ink);
  color: var(--paper);
}

.panel--ink .lede { color: var(--ice); }
.panel--ink .note { color: var(--amber); border-left-color: var(--amber); }

.cut-corner {
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(64px, 10vw, 140px);
  height: clamp(64px, 10vw, 140px);
  background: var(--orange);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  gap: var(--gap);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.grid--split {
  grid-template-columns: minmax(0, 0.38fr) minmax(0, 1fr);
  align-items: start;
}

/* ---------- 章节锚点 ---------- */
.sec-head {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: clamp(14px, 2.6vw, 40px);
  align-items: start;
}

.anchor-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(40px, 6.6vw, 72px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--blue);
  transition: color 160ms linear;
}

.anchor-label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--green);
}

.sec-head:hover .anchor-num { color: var(--orange); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--blue-soft);
}

/* ---------- 页面标题区 ---------- */
.page-head {
  padding: clamp(28px, 5vw, 64px) 0 clamp(20px, 3vw, 40px);
  border-bottom: 2px solid var(--blue);
}

.page-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-64);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-lede {
  max-width: 58ch;
  margin-top: 20px;
  font-size: var(--fs-20);
  line-height: 1.7;
  color: var(--blue);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 160ms linear, color 160ms linear, border-color 160ms linear;
}

.btn--sm {
  padding: 8px 14px;
  font-size: 14px;
}

.btn--cta {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.btn--cta:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn--blue {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--paper);
}

.btn--blue:hover {
  background: var(--blue-soft);
  border-color: var(--blue-soft);
  color: var(--ink);
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border: 1px solid var(--blue);
  border-radius: 0;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.tag--blue { border-color: var(--blue-soft); color: var(--blue-soft); }
.tag--orange { border-color: var(--orange); color: var(--orange); }
.tag--green { border-color: var(--green); color: var(--green); }

.tag--solid {
  background: var(--ice);
  border-color: var(--blue-soft);
  color: var(--blue);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue-soft);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--blue-soft);
}

.breadcrumb a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--line-blue);
}

.breadcrumb a:hover { border-bottom-color: var(--orange); color: var(--orange); }

/* ---------- 资料列表 ---------- */
.kv-list {
  display: grid;
  gap: 0;
}

.kv-list > div {
  display: grid;
  grid-template-columns: minmax(96px, 0.28fr) minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.kv-list dt,
.kv-list .kv-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue-soft);
}

.index-list {
  display: grid;
  gap: 0;
}

.index-list a {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  font-weight: 700;
  transition: color 160ms linear;
}

.index-list a:hover { color: var(--orange); }
.index-list .mono-num { font-size: 13px; }

/* ---------- 折叠问答基础块 ---------- */
.qa {
  border-bottom: 1px solid var(--line);
}

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

.qa-head[aria-expanded="true"] { color: var(--blue); }

.qa-body { padding: 0 0 22px; }
.qa-body[hidden] { display: none; }

/* ---------- 媒体框（图片占位基础规则） ---------- */
.media-frame {
  position: relative;
  background: var(--ice);
  border: 1px solid var(--blue-soft);
  overflow: hidden;
}

.media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--crop-tr img { object-position: top right; }
.media-frame--crop-bl img { object-position: bottom left; }

.media-frame[data-mark]::before {
  content: attr(data-mark);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  padding: 3px 9px;
  background: var(--orange);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.media-caption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

/* =========================================================
   头部
   ========================================================= */
.skip-link {
  position: absolute;
  left: 12px;
  top: -120px;
  z-index: 99;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
  text-decoration: none;
  transition: top 160ms linear;
}

.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.scroll-progress-bar {
  display: block;
  width: 0;
  height: 100%;
  background: var(--orange);
}

/* 顶部工具线 */
.utility-bar {
  height: 42px;
  overflow: hidden;
  border-bottom: 1px solid var(--line-blue);
  transition: height 240ms var(--ease), opacity 200ms linear;
}

.site-header[data-scrolled="true"] .utility-bar {
  height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

.utility-inner {
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.utility-note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.utility-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.utility-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line-blue);
  background: transparent;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 160ms linear, border-color 160ms linear;
}

.utility-btn:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.utility-btn[aria-expanded="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.utility-btn-sign { font-size: 13px; line-height: 1; }

/* 站内搜索面板 */
.search-panel {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 2px solid var(--orange);
}

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

.search-panel-inner {
  padding-top: 26px;
  padding-bottom: 28px;
}

.search-panel-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin-bottom: 16px;
}

.search-panel-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.search-panel-list li { background: var(--ink); }

.search-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 14px;
  color: var(--paper);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  transition: background-color 160ms linear, color 160ms linear;
}

.search-link:hover {
  background: var(--blue);
  color: #fff;
}

.search-panel-hint {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ice);
}

/* 主标题条：品牌左 / 导航右 */
.masthead-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(18px, 3vw, 48px);
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand-block { flex: 0 0 auto; }

.brand {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand::after {
  content: "";
  display: block;
  width: 34px;
  height: 4px;
  margin-top: 8px;
  background: var(--orange);
}

.brand-line {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.masthead-divider {
  width: 1px;
  align-self: stretch;
  background: var(--line-blue);
  flex: 0 0 auto;
}

/* 导航 */
.site-nav {
  display: flex;
  align-items: flex-end;
  gap: clamp(14px, 2vw, 26px);
  flex: 1 1 auto;
  justify-content: flex-end;
}

.nav-caption {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--blue-soft);
  writing-mode: horizontal-tb;
  padding-bottom: 12px;
  white-space: nowrap;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(10px, 1.6vw, 26px);
  justify-content: flex-end;
}

.nav-link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-bottom: 9px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  transition: color 160ms linear;
}

.nav-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue-soft);
  transition: color 160ms linear;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width 160ms linear;
}

.nav-link:hover { color: var(--blue); }
.nav-link:hover .nav-num { color: var(--orange); }
.nav-link:hover::after { width: 100%; }

.nav-link[aria-current="page"] { color: var(--blue); }
.nav-link[aria-current="page"] .nav-num { color: var(--orange); }
.nav-link[aria-current="page"]::after { width: 100%; background: var(--orange); }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background-color 160ms linear, color 160ms linear;
}

.nav-toggle[aria-expanded="true"] {
  background: var(--ink);
  color: var(--paper);
}

.nav-toggle-bars {
  display: grid;
  gap: 3px;
  width: 16px;
}

.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 160ms linear;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  border-top: 2px solid var(--blue);
}

.footer-top { padding: clamp(36px, 6vw, 76px) 0; }

.footer-inner {
  display: grid;
  grid-template-columns: minmax(180px, 0.62fr) minmax(0, 2fr);
  gap: clamp(24px, 4vw, 60px);
}

.footer-mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.footer-tagline {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ice);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 40px);
}

.footer-col-title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-light);
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--amber);
}

.footer-list li + li { margin-top: 9px; }

.footer-list a {
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: color 160ms linear, border-color 160ms linear;
}

.footer-list a:hover {
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
}

.footer-contact p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.footer-contact p + p { margin-top: 6px; }

.footer-bottom {
  padding: 18px 0;
  background: var(--paper);
  color: var(--ink);
  border-top: 2px solid var(--orange);
}

.footer-inner--bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 28px;
}

.footer-note {
  flex: 1 1 420px;
  max-width: 66ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--blue);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.footer-legal a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--blue-soft);
  transition: color 160ms linear, border-color 160ms linear;
}

.footer-legal a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.footer-icp { color: var(--green); }
.footer-copy { color: var(--blue-soft); }

/* =========================================================
   显现动效
   ========================================================= */
html[data-motion="on"] [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 480ms linear, transform 520ms var(--ease);
}

html[data-motion="on"] [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1100px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .search-panel-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 104px; }

  .masthead-inner {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 12px;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .brand-block { flex: 1 1 auto; }
  .masthead-divider { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    display: none;
    flex: 1 1 100%;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--line-blue);
  }

  .site-nav[data-open="true"] { display: flex; }

  .nav-caption { padding-bottom: 0; }

  .nav-list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    justify-content: start;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 6px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .nav-item { scroll-snap-align: start; }

  .nav-link {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--line-blue);
    white-space: nowrap;
  }

  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] { border-color: var(--orange); }

  .nav-link[aria-current="page"] .nav-text {
    box-shadow: inset 0 -2px 0 var(--orange);
  }

  .utility-note { display: none; }
  .utility-inner { justify-content: space-between; }

  .page-title { font-size: var(--fs-40); }
  .page-lede { font-size: var(--fs-17); }
  .lede { font-size: var(--fs-17); }

  .grid--2,
  .grid--3,
  .grid--split { grid-template-columns: 1fr; }

  .sec-head { grid-template-columns: 64px minmax(0, 1fr); }
}

@media (max-width: 620px) {
  .footer-cols { grid-template-columns: 1fr; }
  .search-panel-list { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
  .kv-list > div { grid-template-columns: 1fr; gap: 4px; }
  .index-list a { grid-template-columns: 44px minmax(0, 1fr); }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  html[data-motion="on"] [data-reveal],
  html[data-motion="off"] [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .site-header[data-scrolled="true"] .utility-bar { height: 42px; opacity: 1; }
}