/* =========================================================
   意境音乐工作室 · 文旅实景剧/舞台剧音乐制作
   配色：深炭黑 + 古铜金 + 象牙白
   关键词：电影感、留白、呼吸感、东方气韵
   ========================================================= */

:root {
  /* 色彩系统 */
  --bg: #0c0c0a;           /* 最深背景 */
  --bg-2: #12110e;         /* 次级背景 */
  --bg-3: #181715;         /* 卡片表面 */
  --surface: #1f1e1b;      /* 抬升表面 */
  --ink: #f5f2ea;          /* 象牙白主文字 */
  --ink-soft: #cfccc4;     /* 次级文字 */
  --muted: #8f8b82;        /* 弱化文字 */
  --line: rgba(245,242,234,0.08);  /* 分隔线 */
  --line-2: rgba(245,242,234,0.14);

  --gold: #c9a86c;         /* 古铜金主点缀 */
  --gold-2: #e3c99a;       /* 浅金高光 */
  --gold-dim: rgba(201,168,108,0.12);
  --gold-dim-2: rgba(201,168,108,0.22);

  /* 字体 */
  --serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", Georgia, serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* 布局 */
  --container: 1160px;
  --gutter: clamp(20px, 5vw, 48px);
  --section-y: clamp(80px, 12vw, 150px);
  --radius: 20px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: 0.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%; max-width: var(--container);
  margin-inline: auto; padding-inline: var(--gutter);
}

/* 滚动进度条 */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--gold), var(--gold-2)); z-index: 200;
}

/* ---------- 导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), backdrop-filter .4s;
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.nav.is-scrolled {
  background: rgba(12,12,10,0.82); backdrop-filter: saturate(140%) blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brand__mark {
  width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--gold);
  position: relative; opacity: 0.9;
}
.brand__mark::before { content: ""; position: absolute; inset: 5px; border-radius: 50%; border: 1px solid var(--gold); opacity: 0.6; }
.brand__mark::after { content: ""; position: absolute; inset: 11px; border-radius: 50%; background: var(--gold); }
.brand__text { font-family: var(--serif); font-size: 1.22rem; letter-spacing: 0.14em; }
.brand__sub { font-size: 0.72rem; letter-spacing: 0.22em; color: var(--muted); margin-left: 5px; font-family: var(--sans); }

.nav__links { display: flex; gap: 34px; }
.nav__links a {
  font-size: 0.95rem; color: var(--ink-soft); position: relative; padding: 4px 0;
  transition: color .25s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -3px; height: 1.5px; width: 0;
  background: var(--gold); transition: width .3s var(--ease);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); }
.nav__links a:hover::after, .nav__links a.is-active::after { width: 100%; }
.nav__cta { padding: 9px 20px; font-size: 0.9rem; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; border: none; background: none; align-items: center; justify-content: center; }
.nav__toggle span { width: 22px; height: 1.6px; background: var(--ink); transition: .3s var(--ease); }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 30px; border-radius: 999px; font-size: 0.95rem; letter-spacing: 0.04em;
  transition: transform .25s var(--ease), background .3s, color .3s, border-color .3s, box-shadow .3s;
  border: 1px solid transparent; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--gold { background: linear-gradient(135deg, var(--gold) 0%, #b08c55 100%); color: #12110e; box-shadow: 0 8px 24px -8px rgba(201,168,108,0.45); }
.btn--gold:hover { box-shadow: 0 12px 32px -10px rgba(201,168,108,0.55); }
.btn--ghost { border-color: var(--line-2); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  overflow: hidden; padding-top: 76px; background: radial-gradient(ellipse at 50% 0%, rgba(201,168,108,0.10), transparent 55%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(circle at 80% 60%, rgba(201,168,108,0.08), transparent 40%),
              radial-gradient(circle at 20% 30%, rgba(201,168,108,0.05), transparent 35%);
  pointer-events: none;
}
.hero__glow {
  position: absolute; left: 50%; top: 42%; width: 520px; height: 520px;
  transform: translate(-50%, -50%); border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,108,0.18), transparent 65%);
  filter: blur(60px); pointer-events: none; z-index: 0; opacity: 0.8;
  animation: glowPulse 8s ease-in-out infinite;
}
@keyframes glowPulse { 0%,100% { transform: translate(-50%,-50%) scale(1); opacity: 0.8; } 50% { transform: translate(-50%,-50%) scale(1.15); opacity: 1; } }
.hero__dust { position: absolute; inset: 0; z-index: 0; pointer-events: none; }

.hero__inner { position: relative; z-index: 1; text-align: center; display: flex; flex-direction: column; align-items: center; }
.eyebrow {
  font-size: 0.78rem; letter-spacing: 0.42em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 26px; font-weight: 500;
}
.hero__title { margin-bottom: 24px; display: flex; flex-direction: column; gap: 6px; }
.hero__line {
  font-family: var(--sans); font-size: clamp(3rem, 11vw, 7.5rem); line-height: 1.12;
  font-weight: 700; letter-spacing: 0.08em;
  background: linear-gradient(180deg, #fff8ea 0%, var(--gold-2) 45%, var(--gold) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero__line { -webkit-text-fill-color: var(--ink); background: none; }
}
.hero__line--sub { font-size: clamp(2.2rem, 7vw, 5rem); letter-spacing: 0.12em; }
.hero__tagline {
  font-family: var(--serif); font-size: clamp(1.1rem, 2.6vw, 1.6rem);
  color: var(--gold); letter-spacing: 0.18em; margin-bottom: 22px;
}
.hero__lead { color: var(--muted); font-size: clamp(0.95rem, 2vw, 1.05rem); margin-bottom: 42px; max-width: 560px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

.scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 2;
  width: 26px; height: 44px; border: 1.5px solid var(--line-2); border-radius: 16px;
  display: flex; justify-content: center;
}
.scroll-hint span {
  width: 3px; height: 8px; background: var(--gold); border-radius: 3px; margin-top: 8px;
  animation: scrolldot 1.8s var(--ease) infinite;
}
@keyframes scrolldot { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(16px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- 核心数据条 ---------- */
.bar { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: clamp(28px, 4vw, 40px); }
.bar__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.bar__item { display: flex; flex-direction: column; gap: 6px; flex: 1; text-align: center; }
.bar__num { font-family: var(--serif-en); font-style: italic; font-weight: 600; font-size: clamp(2rem, 4.4vw, 2.9rem); color: var(--gold); line-height: 1; letter-spacing: 0.02em; }
.bar__unit { font-size: 1.1rem; color: var(--gold-2); }
.bar__label { font-size: 0.85rem; color: var(--muted); letter-spacing: 0.04em; }
.bar__divider { width: 1px; height: 40px; background: var(--line); }

/* ---------- 通用区块 ---------- */
.section { padding-block: var(--section-y); }
.section--dark { background: var(--bg); }
.section--darker { background: var(--bg-2); }
.section__head { max-width: 680px; margin-bottom: clamp(44px, 6vw, 72px); }
.section__title {
  font-family: var(--serif); font-size: clamp(2rem, 5.2vw, 3.2rem);
  line-height: 1.3; color: var(--ink); letter-spacing: 0.02em;
}
.section__head .eyebrow { margin-bottom: 18px; }
.section__head .eyebrow::before {
  content: ""; display: inline-block; width: 28px; height: 1px; background: var(--gold);
  vertical-align: middle; margin-right: 12px;
}

/* ---------- 业务卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards--business { grid-template-columns: 1.25fr 1fr 1fr; }
.card {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 34px; transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.card:hover { transform: translateY(-8px); box-shadow: 0 24px 50px -28px rgba(0,0,0,0.55); border-color: var(--line-2); }
.card__tag {
  display: inline-block; font-size: 0.72rem; letter-spacing: 0.18em; color: var(--bg);
  background: var(--gold); padding: 4px 10px; border-radius: 999px; margin-bottom: 18px;
}
.card h3 { font-family: var(--serif); font-size: 1.28rem; margin-bottom: 16px; color: var(--ink); }
.card p { color: var(--muted); font-size: 0.96rem; line-height: 1.75; margin-bottom: 22px; }
.card__list { display: flex; flex-wrap: wrap; gap: 8px; }
.card__list li {
  font-size: 0.82rem; color: var(--ink-soft); background: rgba(245,242,234,0.05);
  padding: 5px 10px; border-radius: 6px; border: 1px solid var(--line);
}

/* ---------- 代表作品 ---------- */
.works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.work {
  position: relative; min-height: 340px; border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px; isolation: isolate; transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.work:hover { transform: translateY(-6px) scale(1.01); box-shadow: 0 20px 48px -18px rgba(0,0,0,0.6); }
.work__bg {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.work:hover .work__bg { transform: scale(1.06); }
.work::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, transparent 35%, rgba(12,12,10,0.92) 90%);
}
.work__place { font-size: 0.78rem; color: var(--gold-2); letter-spacing: 0.15em; margin-bottom: 10px; }
.work__title {
  font-family: var(--serif); font-size: clamp(1.5rem, 3.2vw, 2.1rem); color: var(--ink); margin-bottom: 6px;
  background: linear-gradient(180deg, #fff8ea, var(--gold-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.work__type { font-size: 0.9rem; color: var(--muted); }

/* ---------- 服务矩阵 ---------- */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.service { background: var(--bg-2); padding: 42px 36px; transition: background .35s; }
.service:hover { background: var(--surface); }
.service__no { font-family: var(--serif-en); font-style: italic; font-weight: 600; font-size: 1.25rem; color: var(--gold); display: block; margin-bottom: 14px; letter-spacing: 0.08em; }
.service h3 { font-size: 1.18rem; margin-bottom: 12px; color: var(--ink); }
.service p { color: var(--muted); font-size: 0.94rem; line-height: 1.75; }

/* ---------- 团队 ---------- */
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 40px; }
.member {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 18px 26px; transition: transform .35s var(--ease), border-color .35s;
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.member:hover { transform: translateY(-6px); border-color: var(--line-2); }
.member__photo {
  width: 100%; aspect-ratio: 3/4; overflow: hidden; border-radius: 14px; margin-bottom: 18px;
  background: var(--surface);
}
.member__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.member--lead {
  grid-column: 1 / 3; flex-direction: row; align-items: stretch; text-align: left;
  background: linear-gradient(180deg, var(--surface), var(--bg-3)); border-color: var(--line-2);
  padding: 24px;
}
.member--lead .member__photo { width: 220px; flex-shrink: 0; margin-bottom: 0; margin-right: 28px; }
.member--lead .member__body { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.member h3 { font-family: var(--serif); font-size: 1.3rem; margin-bottom: 6px; color: var(--ink); }
.member__role { font-size: 0.78rem; color: var(--gold); letter-spacing: 0.06em; margin-bottom: 12px; display: block; }
.member--lead p { color: var(--muted); font-size: 0.95rem; line-height: 1.75; margin-top: 14px; }
.team__note { max-width: 820px; color: var(--muted); font-size: 1.02rem; line-height: 1.85; }
.team__note::before { content: ""; display: block; width: 40px; height: 1px; background: var(--gold); margin-bottom: 22px; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.step { background: var(--bg); padding: 36px 28px; transition: background .35s; }
.section--darker .step { background: var(--bg-2); }
.step:hover { background: var(--bg-3); }
.step__no { font-family: var(--serif-en); font-style: italic; font-weight: 600; font-size: 1.5rem; color: var(--gold); display: block; margin-bottom: 14px; }
.step h3 { font-size: 1.08rem; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 0.9rem; line-height: 1.7; }

/* ---------- 理念 / 荣誉 ---------- */
.about { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: start; }
.about__content p { color: var(--ink-soft); margin-bottom: 22px; font-size: 1.05rem; }
.about__sign { color: var(--gold) !important; font-family: var(--serif); margin-top: 30px; }
.honors { background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 32px; }
.honors h3 { font-family: var(--serif); font-size: 1.3rem; margin-bottom: 20px; color: var(--gold); }
.honors li { color: var(--muted); font-size: 0.95rem; padding: 10px 0; border-bottom: 1px solid var(--line); }
.honors li:last-child { border-bottom: none; }

/* ---------- 联系 ---------- */
.contact { min-height: 100svh; display: flex; align-items: center; padding-block: clamp(28px, 5vh, 64px); }
.contact__inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 5vw, 72px); align-items: center; width: 100%; }
.contact__intro .eyebrow { margin-bottom: 16px; }
.contact .section__title { font-size: clamp(1.7rem, 3.6vw, 2.5rem); line-height: 1.25; }
.contact__lead { color: var(--muted); margin-top: 16px; font-size: 1rem; max-width: 420px; line-height: 1.65; }
.contact__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact__item {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; display: flex; flex-direction: column; gap: 8px; transition: border-color .3s, transform .3s var(--ease);
}
a.contact__item:hover { border-color: var(--gold); transform: translateY(-3px); }
.contact__k { font-size: 0.74rem; letter-spacing: 0.2em; color: var(--gold); text-transform: uppercase; }
.contact__v { font-family: var(--serif); font-size: 1.25rem; color: var(--ink); line-height: 1.35; display: flex; flex-direction: column; gap: 6px; }
.contact__v small { font-family: var(--sans); font-size: 0.82rem; color: var(--muted); letter-spacing: normal; }
.contact__item--cta .contact__v { flex-direction: row; flex-wrap: wrap; align-items: baseline; gap: 0 12px; }
.contact__item--cta .contact__v .num { font-size: 1.5rem; color: var(--gold); letter-spacing: 0.04em; }
.contact__item--cta .contact__v .note { font-family: var(--sans); font-size: 0.9rem; color: var(--muted); white-space: nowrap; }
.contact__item--cta { background: linear-gradient(180deg, rgba(201,168,108,0.10), transparent); border-color: var(--line-2); }
.contact__item--qr { grid-column: 1 / -1; align-items: center; text-align: center; }
.qr-matrix { display: flex; flex-wrap: wrap; gap: 28px; justify-content: center; }
.qr-card { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.qr-card img { width: 104px; height: 104px; border-radius: 12px; object-fit: cover; background: #fff; padding: 4px; }
.qr-card figcaption { display: flex; flex-direction: column; gap: 3px; font-size: 0.86rem; color: var(--ink); letter-spacing: 0.06em; }
.qr-card figcaption em { font-style: normal; font-size: 0.74rem; color: var(--muted); letter-spacing: 0.04em; }

/* ---------- 页脚 ---------- */
.footer { background: var(--bg-3); padding-block: clamp(48px, 7vw, 72px); border-top: 1px solid var(--line); }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1.4fr; gap: 40px; align-items: start; }
.footer__brand .brand__text { color: var(--ink); font-size: 1.25rem; }
.footer__brand .brand__sub { color: var(--gold); }
.footer__brand p { margin-top: 14px; color: var(--muted); font-size: 0.9rem; line-height: 1.7; }
.footer__nav { display: flex; flex-direction: column; gap: 12px; }
.footer__nav a { color: var(--ink-soft); font-size: 0.95rem; transition: color .25s; }
.footer__nav a:hover { color: var(--gold); }
.footer__meta p { font-size: 0.82rem; color: var(--muted); line-height: 1.9; margin: 0; }
.footer__credit { margin-top: 14px !important; color: var(--gold) !important; letter-spacing: 0.04em; }

/* ---------- 滚动渐显 ---------- */
html.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .85s var(--ease), transform .85s var(--ease); }
html.js .reveal.is-visible { opacity: 1; transform: none; }
html.js .cards .reveal:nth-child(2),
html.js .works .reveal:nth-child(2),
html.js .services .reveal:nth-child(2),
html.js .steps .reveal:nth-child(2) { transition-delay: .06s; }
html.js .cards .reveal:nth-child(3),
html.js .works .reveal:nth-child(3),
html.js .services .reveal:nth-child(3),
html.js .steps .reveal:nth-child(3) { transition-delay: .12s; }
html.js .works .reveal:nth-child(4),
html.js .services .reveal:nth-child(4),
html.js .steps .reveal:nth-child(4) { transition-delay: .18s; }
html.js .works .reveal:nth-child(5),
html.js .services .reveal:nth-child(5),
html.js .steps .reveal:nth-child(5) { transition-delay: .24s; }
html.js .works .reveal:nth-child(6),
html.js .services .reveal:nth-child(6),
html.js .steps .reveal:nth-child(6) { transition-delay: .30s; }
html.js .works .reveal:nth-child(7),
html.js .steps .reveal:nth-child(7) { transition-delay: .36s; }
html.js .works .reveal:nth-child(8),
html.js .steps .reveal:nth-child(8) { transition-delay: .42s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .cards, .cards--business { grid-template-columns: repeat(2, 1fr); }
  .card--large { grid-column: 1 / -1; }
  .works, .services { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; }
  .team { grid-template-columns: repeat(3, 1fr); }
  .member--lead { grid-column: 1 / -1; flex-direction: column; align-items: center; text-align: center; }
  .member--lead .member__photo { width: 100%; max-width: 260px; margin-right: 0; margin-bottom: 22px; }
  .member--lead .member__body { align-items: center; }
}

@media (max-width: 760px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }

  .nav__links {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; gap: 0;
    background: rgba(12,12,10,0.97); backdrop-filter: blur(14px);
    padding: 12px var(--gutter) 24px; box-shadow: 0 12px 30px -18px rgba(0,0,0,0.5);
    transform: translateY(-120%); transition: transform .4s var(--ease); display: flex;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .nav__links a::after { display: none; }

  .bar__inner { flex-wrap: wrap; justify-content: center; gap: 24px 16px; }
  .bar__item { flex: 0 0 calc(50% - 20px); }
  .bar__divider:nth-of-type(4) { display: none; }

  .cards, .cards--business, .works, .services, .team { grid-template-columns: 1fr; }
  .member--lead { grid-column: auto; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr; gap: 30px; }
  .contact__inner, .about { grid-template-columns: 1fr; }
  .contact__cards { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; width: 100%; max-width: 320px; }
  .hero__actions .btn { width: 100%; }
}

@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
  .bar__item { flex: 0 0 100%; }
  .bar__divider { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html.js .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}