/* VDYUT Energy — marketing site. Palette follows the investor deck:
   charcoal backgrounds, slate cards, brushed-gold accent. */

:root {
  --bg: #111418;
  --bg-alt: #161a1f;
  --card: #1f232a;
  --card-hi: #252a32;
  --line: #2f353e;
  --line-soft: #262b33;
  --text: #f3f4f6;
  --text-2: #c3c8d0;
  --text-3: #8b929c;
  --gold: #c9a24b;
  --gold-hi: #dcb862;
  --gold-ink: #17130a;
  --ok: #4cc38a;
  --warn: #e0a43a;
  --low: #e5644e;

  --font-head: "Inter Tight", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius: 14px;
  --radius-sm: 10px;
  --gutter: clamp(16px, 4vw, 40px);
  --max: 1200px;
  --header-h: 68px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Gold rule across the top, as in the deck */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--gold);
  z-index: 60;
}

img { display: block; max-width: 100%; height: auto; }
picture { display: block; }
a { color: inherit; }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; }
ol, ul { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }

.container {
  width: 100%;
  max-width: calc(var(--max) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.gold { color: var(--gold); }

.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;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--gold); color: var(--gold-ink); padding: 10px 14px;
  border-radius: 8px; font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--gold-hi); outline-offset: 3px; border-radius: 4px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 22px;
  border-radius: 999px; border: 1px solid transparent;
  font: 600 0.95rem/1 var(--font-body);
  text-decoration: none; white-space: nowrap;
  transition: background-color .2s, border-color .2s, color .2s, transform .2s;
}
.btn:active { transform: translateY(1px); }
.btn-gold { background: var(--gold); color: var(--gold-ink); }
.btn-gold:hover { background: var(--gold-hi); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-hi); }
.btn-sm { min-height: 38px; padding: 0 16px; font-size: 0.875rem; }
.btn-lg { min-height: 54px; padding: 0 28px; font-size: 1.05rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(17, 20, 24, 0.72);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background-color .25s;
}
.site-header.is-scrolled { border-bottom-color: var(--line-soft); background: rgba(17, 20, 24, 0.9); }

.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; flex-direction: column; align-items: center; text-decoration: none; }
/* Logo PNGs are luminance-keyed (transparent background), made for dark backgrounds. */
.brand .logo-img img { height: 34px; width: auto; }
.brand-tag { margin-top: 1px; padding-left: 0.38em; font-size: 0.5rem; line-height: 1; letter-spacing: 0.38em; text-transform: uppercase; color: var(--gold); }

.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a:not(.btn) {
  font-size: 0.9rem; font-weight: 500; color: var(--text-2); text-decoration: none;
  transition: color .2s;
}
.site-nav a:not(.btn):hover,
.site-nav a.is-active { color: var(--text); }
.site-nav a.is-active:not(.btn) { box-shadow: inset 0 -2px 0 var(--gold); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px; margin-right: -10px;
  background: none; border: 0; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 6px;
}
.nav-toggle-bar { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-of-type { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-of-type { transform: translateY(-4px) rotate(-45deg); }

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px var(--gutter) 20px;
    background: rgba(17, 20, 24, 0.98);
    border-bottom: 1px solid var(--line-soft);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s, visibility .2s;
  }
  .site-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .site-nav a:not(.btn) { padding: 14px 0; font-size: 1rem; border-bottom: 1px solid var(--line-soft); }
  .site-nav a.is-active:not(.btn) { box-shadow: none; color: var(--gold-hi); }
  .site-nav .btn { margin-top: 16px; min-height: 48px; }
}

/* ---------- Shared type ---------- */
.eyebrow {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.section { padding-block: clamp(64px, 9vw, 112px); }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line-soft); }
.section-head { max-width: 780px; margin-bottom: clamp(32px, 5vw, 52px); }
.section-head h2 { font-size: clamp(1.75rem, 3.6vw, 2.6rem); font-weight: 700; }
.section-lede { margin-top: 16px; font-size: clamp(1rem, 1.4vw, 1.125rem); color: var(--text-2); max-width: 68ch; }
.sub-head { font-size: 1.25rem; margin: clamp(40px, 6vw, 64px) 0 20px; }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(48px, 8vw, 96px); padding-bottom: clamp(48px, 7vw, 88px); position: relative; }
.hero::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 520px; z-index: -1;
  background: radial-gradient(60% 60% at 18% 0%, rgba(201, 162, 75, 0.12), transparent 70%);
  pointer-events: none;
}
.hero-title {
  font-size: clamp(2.2rem, 6vw, 4.25rem); font-weight: 800; letter-spacing: -0.025em;
  max-width: 17ch;
}
.hero-lede { margin-top: 22px; max-width: 60ch; font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--text-2); }
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }

.hero-figure { margin-top: clamp(40px, 6vw, 64px); margin-bottom: 0; }
.hero-figure picture {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7);
}
.hero-figure img { width: 100%; aspect-ratio: 1150 / 395; object-fit: cover; }
.hero-figure figcaption {
  margin-top: 12px; font-size: 0.8rem; letter-spacing: 0.04em; color: var(--text-3);
}
.hero-figure figcaption span { color: var(--gold); text-transform: uppercase; letter-spacing: 0.14em; margin-right: 8px; font-weight: 600; }

.stat-strip {
  margin-top: clamp(32px, 5vw, 48px);
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.stat-strip > div { padding: 22px 24px 0 0; }
.stat-strip > div + div { padding-left: 24px; border-left: 1px solid var(--line-soft); }
.stat-strip dt { font: 700 clamp(1.4rem, 2.6vw, 2rem)/1.1 var(--font-head); color: var(--gold); }
.stat-strip dd { margin-top: 6px; font-size: 0.9rem; color: var(--text-2); }

@media (max-width: 720px) {
  .stat-strip { grid-template-columns: 1fr; }
  .stat-strip > div,
  .stat-strip > div + div { padding: 18px 0; border-left: 0; border-bottom: 1px solid var(--line-soft); }
}

/* ---------- Cards ---------- */
.card-grid { display: grid; gap: clamp(16px, 2vw, 24px); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .cols-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cols-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 2.6vw, 30px);
  transition: border-color .25s, transform .25s, background-color .25s;
}
.card:hover { border-color: #4a4335; background: var(--card-hi); }
.card-num { display: block; font: 700 1.6rem/1 var(--font-head); color: var(--gold); margin-bottom: 22px; }
.card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 0.95rem; }

.thesis {
  margin: clamp(32px, 5vw, 48px) 0 0;
  padding: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(201, 162, 75, 0.09), rgba(201, 162, 75, 0) 60%), var(--card);
}
.thesis-label { font-size: 0.8rem; font-weight: 700; color: var(--gold); margin-bottom: 10px; letter-spacing: 0.04em; }
.thesis-text { font: 700 clamp(1.25rem, 2.4vw, 1.75rem)/1.3 var(--font-head); letter-spacing: -0.01em; max-width: 46ch; }
.thesis-foot { margin-top: 14px; color: var(--text-2); font-size: 0.95rem; }

/* ---------- Architecture ---------- */
.arch { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 900px) { .arch { grid-template-columns: 1fr; } }

.arch-diagram {
  margin: 0; padding: clamp(16px, 2.4vw, 28px);
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
}
.arch-diagram svg { display: block; width: 100%; max-width: 460px; height: auto; margin-inline: auto; overflow: visible; }
.arch-diagram figcaption { margin-top: 14px; font-size: 0.78rem; font-style: italic; color: var(--text-3); text-align: center; }
@media (max-width: 600px) { .arch-diagram { padding: 10px 6px 14px; } .node-sub { font-size: 11px; } }

.node rect { fill: var(--card); stroke: var(--line); stroke-width: 1.2; }
.node-core rect { fill: #262217; stroke: var(--gold); stroke-width: 1.5; }
.node-cloud rect { fill: transparent; stroke: var(--text-3); stroke-dasharray: 4 4; }
.node-title { fill: var(--text); font: 700 13px var(--font-head); text-anchor: middle; }
.node-sub { fill: var(--text-3); font: 500 10.5px var(--font-body); text-anchor: middle; }
.node-core .node-title { fill: var(--gold-hi); font-size: 14px; }
.flow { fill: none; stroke-width: 2; stroke-dasharray: 6 6; animation: flow 1.4s linear infinite; }
.flow-dc { stroke: var(--gold); }
.flow-ac { stroke: #9aa3ae; }
.flow-data { fill: none; stroke: var(--text-3); stroke-width: 1.2; stroke-dasharray: 2 4; }
.arrow-head { fill: var(--text-2); }
.flow-label { fill: var(--text-3); font: 600 10px var(--font-body); letter-spacing: 0.04em; }
@keyframes flow { to { stroke-dashoffset: -24; } }

.arch-points { display: grid; gap: 26px; }
.arch-points li { display: grid; grid-template-columns: 44px 1fr; gap: 18px; align-items: start; }
.badge {
  width: 44px; height: 44px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--gold); color: var(--gold-ink);
  font: 700 1.05rem/1 var(--font-head);
}
.arch-points h3 { font-size: 1.2rem; margin-bottom: 6px; }
.arch-points p { color: var(--text-2); font-size: 0.95rem; }

.mode { position: relative; padding-top: 26px; }
.mode h4 { font-size: 1.05rem; margin-bottom: 8px; }
.mode-dot { display: block; width: 10px; height: 10px; border-radius: 50%; margin-bottom: 16px; }
.mode-ok { background: var(--ok); box-shadow: 0 0 0 4px rgba(76, 195, 138, 0.15); }
.mode-warn { background: var(--warn); box-shadow: 0 0 0 4px rgba(224, 164, 58, 0.15); }
.mode-low { background: var(--low); box-shadow: 0 0 0 4px rgba(229, 100, 78, 0.15); }

/* ---------- Execution ---------- */
.exec { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
@media (max-width: 900px) { .exec { grid-template-columns: 1fr; } }

.exec-gallery {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  padding: 12px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
}
.exec-gallery figure { margin: 0; border-radius: var(--radius-sm); overflow: hidden; }
.exec-gallery .exec-main { grid-column: 1 / -1; }
.exec-gallery img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1 / 1; }
.exec-gallery .exec-main img { aspect-ratio: 1104 / 517; }

.exec-copy h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 12px; }
.exec-copy > p { color: var(--text-2); font-size: 1.05rem; }
.ticks { margin-top: 24px; display: grid; gap: 14px; }
.ticks li { position: relative; padding-left: 26px; color: var(--text-2); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 0.5em;
  width: 11px; height: 11px; border-radius: 50%; background: var(--gold);
}
.mini-stats {
  margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 24px;
}
.mini-stats dt { font: 700 clamp(1.8rem, 3.4vw, 2.5rem)/1 var(--font-head); color: var(--gold); }
.mini-stats dd { margin-top: 8px; font-size: 0.9rem; color: var(--text-3); }

/* ---------- Site module ---------- */
.concepts { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 2vw, 22px); }
@media (max-width: 820px) { .concepts { grid-template-columns: 1fr; } }
.concept picture { border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line); }
.concept img { width: 100%; aspect-ratio: 5 / 2.05; object-fit: cover; transition: transform .6s ease; }
.concept:hover img { transform: scale(1.03); }
.concept p { margin-top: 12px; font-size: 0.85rem; color: var(--text-3); }
.concept strong { display: block; color: var(--text); font-weight: 600; font-size: 0.95rem; margin-bottom: 2px; }

.module-detail {
  margin-top: clamp(36px, 5vw, 56px);
  display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 48px);
}
@media (max-width: 900px) { .module-detail { grid-template-columns: 1fr; } }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 32px; }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }
.features li { padding: 18px 0; border-top: 1px solid var(--line); }
.features h4 { font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; }
.features p { color: var(--text-2); font-size: 0.95rem; }

.specs { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 2.6vw, 28px); align-self: start; }
.specs h4 { font-size: 1.05rem; margin-bottom: 14px; }
.specs dl > div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line-soft); font-size: 0.9rem; }
.specs dt { color: var(--text-3); }
.specs dd { color: var(--text); text-align: right; }
.fine { margin-top: 14px; font-size: 0.75rem; font-style: italic; color: var(--text-3); }

/* ---------- Approach ---------- */
.statement {
  margin: clamp(40px, 6vw, 64px) auto;
  max-width: 34ch; text-align: center;
  font: 700 clamp(1.3rem, 2.6vw, 1.85rem)/1.3 var(--font-head); letter-spacing: -0.01em;
}
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 2vw, 20px); }
@media (max-width: 1000px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pillars { grid-template-columns: 1fr; } }
.pillar { padding: 22px; border-radius: var(--radius); border: 1px solid var(--line); border-top: 3px solid var(--gold); background: var(--bg-alt); }
.pillar-tag { font: 700 1.05rem/1.2 var(--font-head); margin-bottom: 10px; }
.pillar-tag span { display: block; margin-top: 4px; font: 600 0.7rem/1 var(--font-body); letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); }
.pillar > p:last-child { color: var(--text-2); font-size: 0.92rem; }

/* ---------- Business model ---------- */
.flow-steps { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.flow-steps::before {
  content: ""; position: absolute; left: 10%; right: 10%; top: 26px; height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 75, 0.35));
}
.flow-steps li { position: relative; text-align: center; padding: 0 6px; }
.step {
  position: relative; z-index: 1;
  display: grid; place-items: center; margin: 0 auto 18px;
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--gold); color: var(--gold-ink);
  font: 700 1.1rem/1 var(--font-head);
  box-shadow: 0 0 0 6px var(--bg-alt);
}
.flow-steps h3 { font-size: 1.05rem; margin-bottom: 6px; }
.flow-steps p { font-size: 0.875rem; color: var(--text-3); }

@media (max-width: 900px) {
  .flow-steps { grid-template-columns: 1fr; gap: 0; }
  .flow-steps::before { left: 26px; right: auto; top: 8px; bottom: 40px; width: 2px; height: auto; background: linear-gradient(180deg, var(--gold), rgba(201, 162, 75, 0.35)); }
  .flow-steps li { display: grid; grid-template-columns: 54px 1fr; column-gap: 18px; text-align: left; padding: 0 0 24px; }
  .step { grid-row: span 2; margin: 0; }
  .flow-steps h3 { align-self: end; margin-top: 4px; }
}

.levers {
  margin-top: clamp(40px, 6vw, 64px);
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(22px, 3vw, 34px);
}
.levers-title { font-weight: 700; color: var(--gold); margin-bottom: 22px; }
.levers dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 760px) { .levers dl { grid-template-columns: 1fr; gap: 18px; } }
.levers dt { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 8px; }
.levers dd { color: var(--text-2); font-size: 0.95rem; }
.note { margin-top: 24px; color: var(--text-3); font-size: 0.92rem; max-width: 90ch; }

/* ---------- Roadmap ---------- */
.roadmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.4vw, 32px); counter-reset: phase; }
@media (max-width: 900px) { .roadmap { grid-template-columns: 1fr; } }
.phase { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 3vw, 32px); }
.phase-next { border: 2px solid var(--gold); }
.phase-tag { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.phase h3 { font-size: 1.4rem; margin-bottom: 18px; }
.phase ul { display: grid; gap: 10px; }
.phase li { position: relative; padding-left: 18px; color: var(--text-2); font-size: 0.95rem; }
.phase li::before { content: ""; position: absolute; left: 0; top: 0.65em; width: 8px; height: 2px; background: var(--gold); }

/* ---------- CTA ---------- */
.cta { padding-top: 0; }
.cta-card {
  text-align: center;
  padding: clamp(36px, 6vw, 72px) clamp(20px, 5vw, 64px);
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid #4a4335;
  background:
    radial-gradient(70% 90% at 50% 0%, rgba(201, 162, 75, 0.16), transparent 70%),
    var(--card);
}
.cta-logo { margin: 0 auto 28px; }
.cta-logo img { width: min(300px, 70vw); height: auto; margin-inline: auto; }
.cta-card h2 { font-size: clamp(1.6rem, 3.6vw, 2.5rem); max-width: 24ch; margin-inline: auto; }
.cta-card .section-lede { margin-inline: auto; }
.audiences {
  margin: 32px auto 36px; max-width: 900px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; text-align: left;
}
@media (max-width: 760px) { .audiences { grid-template-columns: 1fr; } }
.audiences li { padding: 16px 18px; border-radius: var(--radius-sm); background: var(--bg); border: 1px solid var(--line-soft); font-size: 0.875rem; color: var(--text-3); }
.audiences strong { display: block; color: var(--text); font-size: 0.98rem; margin-bottom: 4px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line-soft); padding-block: 32px; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { height: 26px; width: auto; }
.footer-name { font-weight: 600; font-size: 0.9rem; letter-spacing: 0.02em; }
.footer-tag { font-size: 0.65rem; letter-spacing: 0.36em; text-transform: uppercase; color: var(--gold); margin-top: 2px; }
.footer-legal { font-size: 0.8rem; color: var(--text-3); }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .flow { animation: none; }
  .concept img, .card { transition: none; }
}