/* ==========================================================================
   春一科技 官网样式
   ========================================================================== */

:root {
  --ink: #0B2E4F;
  --ink-2: #123A61;
  --ink-soft: #1B4A75;
  --gold: #C9A227;
  --gold-soft: #E8D48B;
  --paper: #FFFFFF;
  --paper-2: #F6F8FB;
  --paper-3: #EDF2F7;
  --text: #16233A;
  --text-2: #5A6B82;
  --text-3: #8C9AAE;
  --line: #E2E8F0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(11, 46, 79, .06), 0 4px 12px rgba(11, 46, 79, .05);
  --shadow-md: 0 8px 28px rgba(11, 46, 79, .09);
  --shadow-lg: 0 20px 56px rgba(11, 46, 79, .13);
  --max: 1180px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  color: var(--text);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, .94);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--ink);
}
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--ink) 0%, var(--ink-soft) 100%);
  display: grid;
  place-items: center;
  box-shadow: 0 4px 12px rgba(11, 46, 79, .22);
  flex: none;
}
.brand-mark svg { width: 19px; height: 19px; }

/* 真实 LOGO 图片（竖长形，比例约 0.93，无需背景块） */
.brand-logo {
  height: 36px;
  width: auto;
  flex: none;
  display: block;
}
.brand-text small {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--text-3);
  line-height: 1.1;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-links a {
  font-size: 14.5px;
  color: var(--text-2);
  position: relative;
  padding: 6px 0;
  transition: color .2s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: width .28s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }

/* 注意：选择器必须是 .nav-links .nav-cta（0,2,0）。
   若只写 .nav-cta（0,1,0），会被上面的 .nav-links a（0,1,1）压过，
   padding 变成 6px 0、font-size 变成 14.5px —— 文字会顶出胶囊两侧。 */
.nav-links .nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff !important;
  font-size: 13.5px;
  line-height: 1;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: .01em;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.nav-links .nav-cta:hover {
  background: var(--ink-2);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(11, 46, 79, .26);
}
.nav-links .nav-cta::after { display: none !important; }
/* SVG 没有尺寸规则时会按 300x150 参与布局、再被 flex 压成 0 宽 ——
   结果箭头不显示，但 gap 还占 6px，文字被顶偏左。必须显式定尺寸 + flex:none。 */
.nav-links .nav-cta svg {
  width: 14px;
  height: 14px;
  flex: none;
}

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.nav-toggle span {
  display: block;
  width: 17px; height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
  transition: background .2s;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 17px; height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .26s var(--ease), top .26s var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 168px 0 104px;
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(201, 162, 39, .13) 0%, transparent 62%),
    radial-gradient(760px 480px at 8% 8%, rgba(27, 74, 117, .09) 0%, transparent 58%),
    linear-gradient(180deg, #FBFCFE 0%, #FFFFFF 78%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 22%, var(--line) 78%, transparent);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--ink-soft);
  letter-spacing: .04em;
  box-shadow: var(--shadow-sm);
  margin-bottom: 26px;
}
.eyebrow i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, .18);
  flex: none;
}

.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(32px, 4.1vw, 52px);
  line-height: 1.22;
  letter-spacing: -.015em;
  font-weight: 700;
  color: var(--ink);
}
.hero h1 em {
  font-style: normal;
  position: relative;
  white-space: nowrap;
}
.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: .06em;
  height: .32em;
  background: linear-gradient(90deg, rgba(201, 162, 39, .28), rgba(201, 162, 39, .1));
  border-radius: 3px;
  z-index: -1;
}

.hero p.lead {
  margin: 0 0 34px;
  font-size: 16.5px;
  color: var(--text-2);
  max-width: 30em;
  line-height: 1.85;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 26px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .24s var(--ease),
    background .2s var(--ease), border-color .2s var(--ease);
}
.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 8px 22px rgba(11, 46, 79, .2);
}
.btn-primary:hover {
  background: var(--ink-2);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(11, 46, 79, .26);
}
.btn-ghost {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover {
  border-color: #C7D3E2;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn svg { width: 16px; height: 16px; }

/* Hero 右侧卡片 */
.hero-card {
  position: relative;
  background: linear-gradient(160deg, var(--ink) 0%, #0E3557 52%, #124066 100%);
  border-radius: 22px;
  padding: 34px 32px 30px;
  color: #fff;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  right: -110px; top: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, .26), transparent 66%);
}
.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at 78% 18%, #000 0%, transparent 68%);
  -webkit-mask-image: radial-gradient(circle at 78% 18%, #000 0%, transparent 68%);
  pointer-events: none;
}
.hero-card > * { position: relative; z-index: 1; }
.hero-card h3 {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .16em;
  color: rgba(255, 255, 255, .58);
}
.hero-card .stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 18px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .13);
}
.stat b {
  display: block;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  background: linear-gradient(180deg, #fff, #CBD9E8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat span {
  display: block;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .56);
  margin-top: 6px;
  letter-spacing: .02em;
}
.hero-card .card-note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .13);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .5);
}

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section.alt { background: var(--paper-2); }

.section-head { max-width: 660px; margin-bottom: 54px; }
.section-head.center { margin-inline: auto; text-align: center; }

.kicker {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.section-head h2 {
  margin: 0 0 16px;
  font-size: clamp(25px, 2.7vw, 34px);
  line-height: 1.32;
  letter-spacing: -.01em;
  font-weight: 700;
  color: var(--ink);
}
.section-head p {
  margin: 0;
  color: var(--text-2);
  font-size: 15.5px;
  line-height: 1.85;
}

/* ---------- 关于我们 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-copy p {
  margin: 0 0 18px;
  color: var(--text-2);
  font-size: 15.5px;
  line-height: 1.9;
}
.about-copy p:last-child { margin-bottom: 0; }

.about-points {
  display: grid;
  gap: 14px;
}
.point {
  display: flex;
  gap: 16px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}
.point:hover {
  transform: translateX(4px);
  border-color: #CFDBEA;
  box-shadow: var(--shadow-md);
}
.point-ico {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--paper-3);
  display: grid;
  place-items: center;
  flex: none;
  color: var(--ink-soft);
}
.point-ico svg { width: 19px; height: 19px; }
.point h4 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}
.point p {
  margin: 0;
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.7;
}

/* ---------- 业务服务 ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.card {
  position: relative;
  padding: 32px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .36s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: #D6E0ED;
  box-shadow: var(--shadow-md);
}
.card:hover::before { transform: scaleX(1); }

.card-ico {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(145deg, #EEF3F9, #E3EBF4);
  display: grid;
  place-items: center;
  color: var(--ink);
  margin-bottom: 20px;
}
.card-ico svg { width: 22px; height: 22px; }
.card h3 {
  margin: 0 0 10px;
  font-size: 17.5px;
  font-weight: 600;
  color: var(--ink);
}
.card p {
  margin: 0;
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 1.82;
}

/* ---------- 能力优势（带数字） ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.metric {
  background: #fff;
  padding: 34px 26px;
  text-align: center;
  transition: background .24s var(--ease);
}
.metric:hover { background: #FCFDFE; }
.metric b {
  display: block;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -.025em;
  color: var(--ink);
  line-height: 1.1;
}
.metric b small { font-size: 17px; font-weight: 600; margin-left: 2px; }
.metric span {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: .02em;
}

/* ---------- 流程 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: 8px;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--gold);
  margin-bottom: 12px;
}
.step::after {
  content: "";
  position: absolute;
  top: 14px; left: 34px; right: -26px;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}
.step:last-child::after { display: none; }
.step h4 {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
}
.step p {
  margin: 0;
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.78;
}

/* ---------- 企业荣誉 ---------- */
.honor-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 56px;
  align-items: center;
}
.honor-wrap .section-head { margin-bottom: 0; }
.honor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: flex-start;
}
.honor-item {
  width: 196px;
  margin: 0;
  padding: 9px 9px 7px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease);
}
.honor-item:hover {
  border-color: rgba(11, 46, 79, .16);
  box-shadow: 0 8px 22px rgba(11, 46, 79, .06);
  transform: translateY(-2px);
}
.honor-item img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 5px;
}
.honor-item figcaption {
  margin-top: 7px;
  text-align: center;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--text-3);
  letter-spacing: .01em;
}

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-list { display: grid; gap: 16px; }
.contact-item {
  display: flex;
  gap: 15px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.contact-item:hover {
  border-color: #CFDBEA;
  box-shadow: var(--shadow-sm);
}
.contact-item .ico {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--paper-3);
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  flex: none;
}
.contact-item .ico svg { width: 17px; height: 17px; }
.contact-item dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-3);
  margin-bottom: 3px;
}
.contact-item dd {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  line-height: 1.6;
}
.contact-item dd .meta {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--text-3);
  line-height: 1.5;
}
.contact-item dd a:hover { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; }

.contact-aside {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 30px;
}
.contact-aside h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.contact-aside p {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.85;
}
.contact-aside .divider {
  height: 1px;
  background: var(--line);
  margin: 22px 0;
}
.contact-aside ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}
.contact-aside li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.7;
}
.contact-aside li::before {
  content: "";
  position: absolute;
  left: 2px; top: .62em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: .8;
}

/* ---------- 页脚 ---------- */
.footer {
  background: #081F36;
  color: rgba(255, 255, 255, .62);
  padding: 56px 0 30px;
  font-size: 13.5px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  flex-wrap: wrap;
}
.footer .brand { color: #fff; font-size: 17px; }
.footer .brand-logo { height: 34px; }
.footer .brand-text small { color: rgba(255, 255, 255, .38); }
.footer-nav {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}
.footer-nav a { transition: color .2s; }
.footer-nav a:hover { color: #fff; }

.footer-bot {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .42);
}
.footer-bot a:hover { color: rgba(255, 255, 255, .78); }

.footer-note {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .07);
  font-size: 12px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .34);
  max-width: 78em;
}

/* ---------- 滚动淡入 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero { padding: 140px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-card { max-width: 520px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 30px 26px; }
  .step::after { display: none; }
}

@media (max-width: 760px) {
  .nav-toggle { display: grid; }
  .nav-links {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 22px;
    box-shadow: 0 18px 40px rgba(11, 46, 79, .1);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform .26s var(--ease), opacity .26s var(--ease);
  }
  .nav-links.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 13px 0; border-bottom: 1px solid var(--paper-3); font-size: 15px; }
  .nav-links a::after { display: none; }
  .nav-links .nav-cta {
    margin-top: 16px;
    justify-content: center;
    border-bottom: none;
    height: 44px;
    padding: 0 22px;
    font-size: 14px;
  }

  .section { padding: 68px 0; }
  .section-head { margin-bottom: 38px; }
  .cards { grid-template-columns: 1fr; }
  .honor-wrap { grid-template-columns: 1fr; gap: 26px; }
  .honor-wrap .section-head { margin-bottom: 0; }
  .honor-list { gap: 12px; }
  .honor-item { width: calc(50% - 6px); max-width: 176px; padding: 7px 7px 5px; }
  .honor-item figcaption { font-size: 11px; margin-top: 6px; }
  .hero-card { padding: 28px 24px 26px; }
  .footer { padding: 44px 0 26px; }
  .footer-top { flex-direction: column; gap: 26px; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
}

@media (max-width: 460px) {
  .metrics { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero-card .stats { grid-template-columns: 1fr 1fr; }
  .stat b { font-size: 26px; }
  .wrap { padding: 0 18px; }
}

/* ---------- 打印 ---------- */
@media print {
  .nav, .hero-actions, .footer-nav { display: none; }
  .hero { padding-top: 24px; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}