:root {
  --bg: #080b10;
  --bg-soft: #0d1118;
  --panel: #111721;
  --panel-2: #171e29;
  --line: #273141;
  --text: #f8fafc;
  --muted: #a4afbd;
  --muted-2: #768395;
  --yellow: #f4c84a;
  --yellow-strong: #ffcf3d;
  --green: #33d19a;
  --blue: #4cb8ff;
  --red: #ff6474;
  --header: rgba(8, 11, 16, .88);
  --shadow: 0 28px 80px rgba(0, 0, 0, .38);
  --font-display: "Manrope", Arial, sans-serif;
  --font-body: "DM Sans", Arial, sans-serif;
}

body.light {
  --bg: #f7f8fa;
  --bg-soft: #eef1f4;
  --panel: #ffffff;
  --panel-2: #f5f7f9;
  --line: #d8dde4;
  --text: #111722;
  --muted: #526070;
  --muted-2: #758191;
  --header: rgba(247, 248, 250, .9);
  --shadow: 0 28px 70px rgba(31, 39, 51, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  letter-spacing: 0;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; }
.shell { width: min(1220px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease;
}
.site-header.scrolled { background: var(--header); border-color: var(--line); backdrop-filter: blur(18px); }
.nav { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand-logo { display: block; width: 184px; height: auto; }
.brand-logo-light { display: none; }
body.light .site-header.scrolled .brand-logo-dark { display: none; }
body.light .site-header.scrolled .brand-logo-light { display: block; }
.footer-main .brand-logo-dark { display: block; }
.brand-mark { width: 39px; height: 39px; display: grid; place-items: center; background: var(--yellow); color: #11151c; border-radius: 6px; }
.brand-mark svg { width: 21px; }
.brand > span:last-child { display: grid; line-height: 1.05; }
.brand strong { color: var(--text); font: 800 18px/1 var(--font-display); }
.brand small { color: var(--muted); font: 600 10px/1.4 var(--font-display); text-transform: uppercase; }
.site-header:not(.scrolled) .brand strong { color: #fff; }
.site-header:not(.scrolled) .brand small { color: #aab4c1; }
.nav-links { display: flex; align-items: center; gap: 29px; color: #d1d7df; font-size: 14px; font-weight: 600; }
body.light .site-header.scrolled .nav-links { color: var(--muted); }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--yellow); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.text-link { color: #edf1f6; font-size: 14px; font-weight: 700; }
body.light .site-header.scrolled .text-link { color: var(--text); }
.icon-btn { width: 40px; height: 40px; display: grid; place-items: center; padding: 0; border: 1px solid rgba(255,255,255,.18); border-radius: 6px; background: rgba(10,14,20,.35); color: #fff; cursor: pointer; }
.icon-btn svg { width: 18px; }
body.light .site-header.scrolled .icon-btn { border-color: var(--line); background: var(--panel); color: var(--text); }
.menu-btn { display: none; }
.mobile-menu { display: none; }
.mobile-theme-toggle { border: 0; background: transparent; color: inherit; font: inherit; }

.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 1px solid transparent; border-radius: 6px; padding: 0 18px; font-weight: 800; font-size: 14px; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 17px; }
.button-primary { background: var(--yellow); color: #11151c; }
.button-primary:hover { background: var(--yellow-strong); }
.button-large { min-height: 52px; padding: 0 23px; }
.button-ghost { border-color: rgba(255,255,255,.3); background: rgba(5,8,12,.32); color: #fff; backdrop-filter: blur(8px); }
.button-outline { border-color: var(--line); color: var(--text); }
.button-dark { background: #10151c; color: #fff; }

.hero { position: relative; min-height: 750px; height: min(880px, 100vh); display: grid; align-items: center; overflow: hidden; background: #080b10; }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% center; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,7,11,.96) 0%, rgba(4,7,11,.83) 33%, rgba(4,7,11,.33) 61%, rgba(4,7,11,.14) 100%), linear-gradient(0deg, rgba(4,7,11,.7) 0%, transparent 36%); }
.hero-inner { position: relative; z-index: 2; padding-top: 76px; }
.hero-copy { max-width: 710px; }
.live-pill { width: fit-content; display: flex; align-items: center; gap: 9px; padding: 7px 11px; border: 1px solid rgba(255,255,255,.2); background: rgba(8,11,16,.4); border-radius: 5px; color: #dce3ea; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.live-pill span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(51,209,154,.12); }
.hero h1 { margin: 22px 0 22px; color: #fff; font: 800 clamp(54px, 6.5vw, 90px)/.98 var(--font-display); max-width: 760px; }
.hero h1 em { color: var(--yellow); font-style: normal; }
.hero-copy > p { max-width: 640px; margin: 0; color: #c6ced8; font-size: 18px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 30px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 29px; color: #b9c2cd; font-size: 13px; }
.hero-proof span { display: flex; align-items: center; gap: 8px; }
.hero-proof svg { width: 16px; color: var(--yellow); }
.scroll-cue { position: absolute; z-index: 3; left: 50%; bottom: 25px; width: 40px; height: 40px; margin-left: -20px; display: grid; place-items: center; color: #fff; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; }
.scroll-cue svg { width: 17px; }

.metric-strip { border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.metrics { min-height: 112px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.metrics div { min-height: 58px; padding: 0 24px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line); }
.metrics div:first-child { padding-left: 0; }
.metrics div:last-child { border: 0; }
.metrics strong { font: 800 25px/1.2 var(--font-display); }
.metrics span { color: var(--muted); font-size: 12px; }

.section { padding: 108px 0; }
.kicker { display: inline-block; color: #d8a900; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
body:not(.light) .kicker { color: var(--yellow); }
.section-heading { margin-bottom: 45px; }
.section-heading h2 { margin: 11px 0 0; font: 800 clamp(38px, 5vw, 60px)/1.06 var(--font-display); }
.section-heading > p, .split-heading > p { color: var(--muted); font-size: 17px; }
.split-heading { display: grid; grid-template-columns: 1.5fr .8fr; gap: 80px; align-items: end; }
.centered { max-width: 800px; margin: 0 auto 50px; text-align: center; }
.centered > p { max-width: 620px; margin: 16px auto 0; }

.intro { background: var(--bg); }
.feature-rail { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-item { position: relative; min-height: 310px; padding: 31px 26px; border-right: 1px solid var(--line); }
.feature-item:last-child { border: 0; }
.feature-item > svg { width: 28px; height: 28px; color: var(--yellow); margin-top: 42px; }
.feature-number { position: absolute; top: 25px; right: 24px; color: var(--muted-2); font: 700 11px var(--font-display); }
.feature-item h3 { margin: 22px 0 10px; font: 700 20px var(--font-display); }
.feature-item p { margin: 0; color: var(--muted); font-size: 14px; }

.product-section { background: var(--bg-soft); overflow: hidden; }
.product-frame { border: 1px solid var(--line); background: #080c13; border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; }
.window-bar { height: 48px; padding: 0 15px; display: flex; align-items: center; gap: 7px; border-bottom: 1px solid #252d39; color: #7e8a99; font-size: 11px; }
.window-bar > span { width: 8px; height: 8px; border-radius: 50%; background: #4a5461; }
.window-bar > span:first-child { background: #ff6575; }
.window-bar > span:nth-child(2) { background: #f4c84a; }
.window-bar > span:nth-child(3) { background: #33d19a; }
.window-bar div { flex: 1; text-align: center; }
.window-bar b { display: flex; align-items: center; gap: 5px; color: #45d4a0; font-weight: 700; }
.window-bar svg { width: 13px; }
.product-frame img { display: block; width: 100%; }
.product-caption { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 22px; color: var(--muted); font-size: 14px; }
.product-caption div { display: flex; align-items: center; gap: 9px; color: var(--text); font-weight: 700; }
.signal { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(51,209,154,.12); }

.workflow-section { background: var(--bg); }
.workflow { display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--line); }
.workflow-step { position: relative; min-height: 245px; padding: 25px 20px; border-right: 1px solid var(--line); }
.workflow-step:last-child { border: 0; }
.workflow-step:not(:last-child)::after { content: ""; position: absolute; z-index: 2; right: -5px; top: 63px; width: 8px; height: 8px; background: var(--yellow); transform: rotate(45deg); }
.workflow-step > span { color: var(--muted-2); font: 700 11px var(--font-display); }
.workflow-step > svg { display: block; width: 27px; height: 27px; color: var(--yellow); margin: 33px 0 20px; }
.workflow-step h3 { margin: 0 0 8px; font: 700 18px var(--font-display); }
.workflow-step p { margin: 0; color: var(--muted); font-size: 13px; }

.solution-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.solution-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.solution-copy h2 { margin: 12px 0 20px; font: 800 clamp(38px, 4.7vw, 58px)/1.07 var(--font-display); }
.solution-copy > p { color: var(--muted); font-size: 17px; }
.check-list { list-style: none; padding: 0; margin: 30px 0; display: grid; gap: 14px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.check-list svg { width: 19px; color: var(--green); }
.inline-link { display: inline-flex; align-items: center; gap: 8px; color: var(--yellow); font-weight: 800; font-size: 14px; }
.inline-link svg { width: 17px; }
.decision-panel { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; }
.panel-head { min-height: 55px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.panel-head b { display: flex; align-items: center; gap: 7px; color: var(--green); font-size: 10px; }
.panel-head b span { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.decision-panel article { min-height: 82px; padding: 13px 18px; display: grid; grid-template-columns: 42px 1fr auto; gap: 14px; align-items: center; border-bottom: 1px solid var(--line); }
.action-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 6px; }
.action-icon svg { width: 20px; }
.action-icon.green { color: var(--green); background: rgba(51,209,154,.1); }
.action-icon.yellow { color: var(--yellow); background: rgba(244,200,74,.1); }
.action-icon.blue { color: var(--blue); background: rgba(76,184,255,.1); }
.action-icon.red { color: var(--red); background: rgba(255,100,116,.1); }
.decision-panel article div:nth-child(2) { display: grid; }
.decision-panel article strong { font-size: 14px; }
.decision-panel article span { color: var(--muted); font-size: 11px; }
.decision-panel article > b { color: var(--text); font: 800 13px var(--font-display); }
.confidence { padding: 18px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; color: var(--muted); font-size: 11px; }
.confidence div { height: 5px; border-radius: 4px; background: var(--bg); overflow: hidden; }
.confidence i { display: block; width: 92%; height: 100%; background: var(--green); }
.confidence strong { color: var(--green); }

.roles-section { background: var(--bg); }
.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.role-card { min-height: 300px; padding: 29px; border: 1px solid var(--line); background: var(--panel); border-radius: 7px; display: flex; flex-direction: column; }
.role-card > svg { width: 31px; height: 31px; color: var(--yellow); }
.role-card h3 { margin: 47px 0 10px; font: 700 21px var(--font-display); }
.role-card p { margin: 0 0 24px; color: var(--muted); font-size: 14px; }
.role-card a { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 17px; border-top: 1px solid var(--line); font-size: 13px; font-weight: 800; }
.role-card a svg { width: 16px; }

.pricing-section { background: var(--bg-soft); border-top: 1px solid var(--line); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: stretch; }
.price-card { position: relative; padding: 28px; border: 1px solid var(--line); background: var(--panel); border-radius: 8px; display: flex; flex-direction: column; }
.price-card.featured { border: 2px solid var(--yellow); padding: 27px; }
.popular { position: absolute; right: 18px; top: -13px; padding: 5px 9px; background: var(--yellow); color: #11151c; border-radius: 4px; font-size: 10px; font-weight: 900; text-transform: uppercase; }
.price-top { display: flex; justify-content: space-between; align-items: center; font: 800 19px var(--font-display); }
.price-top svg { width: 22px; color: var(--yellow); }
.price { margin: 27px 0 5px; display: flex; align-items: baseline; gap: 7px; }
.price strong { font: 800 46px/1 var(--font-display); }
.price span { color: var(--muted); font-size: 13px; }
.price-card > p { min-height: 48px; color: var(--muted); font-size: 13px; }
.price-card ul { list-style: none; padding: 24px 0; margin: 20px 0 28px; border-top: 1px solid var(--line); display: grid; gap: 13px; }
.price-card li { display: flex; gap: 9px; color: var(--muted); font-size: 13px; }
.price-card li svg { flex: 0 0 auto; width: 17px; color: var(--green); }
.price-card .button { margin-top: auto; width: 100%; }

.faq-section { background: var(--bg); }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 100px; align-items: start; }
.faq-layout .section-heading h2 { font-size: clamp(38px, 4.2vw, 54px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; list-style: none; font: 700 16px var(--font-display); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary svg { width: 18px; transition: transform .2s ease; }
.faq-list details[open] summary svg { transform: rotate(45deg); }
.faq-list p { max-width: 690px; margin: -4px 0 24px; color: var(--muted); font-size: 14px; }

.final-cta { padding: 90px 0; background: var(--yellow); color: #11151c; }
.final-cta .kicker { color: #2f3135; }
.final-cta-inner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; }
.final-cta h2 { margin: 10px 0 0; font: 800 clamp(42px, 5vw, 64px)/1.03 var(--font-display); }
.final-cta p { margin: 0 0 22px; color: #42464d; font-weight: 600; }
.about-hero { padding-top: 150px; background: radial-gradient(circle at 78% 16%, rgba(250,204,21,.16), transparent 34%), linear-gradient(135deg, #080b10 0%, #101722 58%, #0a0e15 100%); color: #fff; }
.about-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: center; }
.about-hero h1 { margin: 14px 0 18px; font: 800 clamp(46px, 6vw, 76px)/1 var(--font-display); max-width: 780px; }
.about-hero p { color: #c4ccd8; font-size: 18px; line-height: 1.75; }
.about-proof-card { border: 1px solid rgba(255,255,255,.16); background: rgba(9,13,20,.76); border-radius: 22px; padding: 34px; box-shadow: var(--shadow); }
.about-proof-card h2 { margin: 22px 0 12px; font: 800 32px/1.1 var(--font-display); }
.about-proof-card p { font-size: 15px; }
.about-trust-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 52px; align-items: start; }
.trust-list { display: grid; gap: 12px; }
.trust-list a { display: flex; justify-content: space-between; align-items: center; min-height: 58px; padding: 0 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--text); font-weight: 800; }
.trust-list a:after { content: "↗"; color: var(--yellow); }

footer { background: #080b10; color: #dbe1e8; }
.footer-main { padding: 70px 0 50px; display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 60px; }
.footer-brand p { max-width: 300px; margin-top: 20px; color: #8f9aa8; font-size: 13px; }
.footer-links { display: grid; align-content: start; gap: 10px; }
.footer-links strong { margin-bottom: 7px; color: #fff; font: 700 13px var(--font-display); }
.footer-links a { color: #909ba9; font-size: 13px; }
.footer-links a:hover { color: var(--yellow); }
.footer-bottom { min-height: 68px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #242b35; color: #7d8895; font-size: 11px; }
.system-status { display: flex; align-items: center; gap: 8px; }
.system-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .nav-links { display: none; }
  .menu-btn { display: grid; }
  .mobile-menu {
    position: fixed; z-index: 50; top: 78px; left: 0; right: 0; max-height: calc(100svh - 78px); overflow: auto;
    padding: 18px 22px 24px; background: rgba(8,11,16,.98); border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 60px rgba(0,0,0,.36); backdrop-filter: blur(18px);
  }
  body.light .mobile-menu { background: rgba(255,255,255,.98); }
  .mobile-menu.open { display: grid; gap: 6px; }
  .mobile-menu > a:not(.button), .mobile-theme-toggle {
    min-height: 48px; display: flex; align-items: center; justify-content: space-between;
    padding: 0 2px; border-bottom: 1px solid var(--line); color: var(--text); font-weight: 800;
  }
  .site-header:not(.scrolled) .mobile-menu > a:not(.button), .site-header:not(.scrolled) .mobile-theme-toggle { color: #f4f7fb; }
  body.light .site-header:not(.scrolled) .mobile-menu > a:not(.button), body.light .site-header:not(.scrolled) .mobile-theme-toggle { color: #111722; }
  .mobile-theme-toggle svg { width: 18px; }
  .mobile-menu .button { margin-top: 12px; min-height: 50px; width: 100%; justify-content: center; }
  .feature-rail { grid-template-columns: 1fr 1fr; }
  .feature-item:nth-child(2) { border-right: 0; }
  .feature-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .workflow { grid-template-columns: repeat(3, 1fr); }
  .workflow-step:nth-child(3) { border-right: 0; }
  .workflow-step:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .solution-grid { gap: 48px; }
}

@media (max-width: 800px) {
  .shell { width: min(100% - 28px, 1220px); }
  .section { padding: 78px 0; }
  .nav { height: 70px; }
  .mobile-menu { top: 70px; max-height: calc(100vh - 70px); }
  .nav-cta, .nav-actions .text-link { display: none; }
  .hero { min-height: 720px; height: 100svh; max-height: 820px; }
  .hero-media { object-position: 67% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(4,7,11,.94), rgba(4,7,11,.55)), linear-gradient(0deg, rgba(4,7,11,.8), transparent 50%); }
  .hero h1 { font-size: clamp(48px, 12vw, 70px); }
  .hero-copy > p { max-width: 560px; font-size: 16px; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics div { padding: 18px; border-bottom: 1px solid var(--line); }
  .metrics div:nth-child(2) { border-right: 0; }
  .metrics div:nth-child(n+3) { border-bottom: 0; }
  .split-heading, .solution-grid, .faq-layout, .final-cta-inner, .about-hero-grid, .about-trust-grid { grid-template-columns: 1fr; gap: 30px; }
  .split-heading { align-items: start; }
  .role-grid, .pricing-grid { grid-template-columns: 1fr; }
  .price-card > p { min-height: 0; }
  .product-caption { align-items: flex-start; flex-direction: column; }
  .footer-main { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
}

@media (max-width: 540px) {
  .brand-mark { width: 36px; height: 36px; }
  .brand-logo { width: 126px; }
  .brand strong { font-size: 16px; }
  .hero { min-height: 690px; }
  .hero-media { object-position: 69% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(4,7,11,.95), rgba(4,7,11,.64)), linear-gradient(0deg, rgba(4,7,11,.88), transparent 56%); }
  .hero h1 { margin-top: 18px; font-size: 48px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-proof { gap: 10px; display: grid; }
  .metrics { grid-template-columns: 1fr; padding: 10px 0; }
  .metrics div, .metrics div:nth-child(n+3) { min-height: 70px; padding: 12px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .metrics div:last-child { border: 0; }
  .section-heading h2 { font-size: 37px; }
  .feature-rail, .workflow { grid-template-columns: 1fr; }
  .feature-item, .feature-item:nth-child(2), .workflow-step, .workflow-step:nth-child(3) { min-height: 235px; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature-item:last-child, .workflow-step:last-child { border-bottom: 0; }
  .workflow-step::after { display: none; }
  .window-bar div { display: none; }
  .window-bar b { margin-left: auto; }
  .decision-panel article { grid-template-columns: 40px 1fr; }
  .decision-panel article > b { grid-column: 2; }
  .final-cta { padding: 65px 0; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer-bottom { padding: 20px 0; align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
}