/* ============================================================
   InfinitiO² — styles.css
   Built from design/design-system.md (tokens, type, motion).
   ============================================================ */

/* ---- Tokens ---- */
:root {
  /* Canvas & surfaces */
  --bg:            #0A0B0D;
  --surface-1:     #101216;
  --surface-2:     #15181D;
  --surface-3:     #1B1F26;

  /* Hairlines */
  --border:        rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-accent: rgba(79, 209, 230, 0.40);

  /* Text */
  --text:          #F2F4F7;
  --text-muted:    #9AA3AE;
  --text-faint:    #5C636E;
  --text-on-accent:#04141A;

  /* Accent — signal cyan */
  --accent:        #4FD1E6;
  --accent-hover:  #6FE0F2;
  --accent-active: #36B5CB;
  --accent-dim:    rgba(79, 209, 230, 0.12);
  --accent-glow:   rgba(79, 209, 230, 0.28);

  /* Functional */
  --scrim:         rgba(10, 11, 13, 0.55);
  --scrim-strong:  rgba(10, 11, 13, 0.82);
  --focus-ring:    0 0 0 2px var(--bg), 0 0 0 4px var(--accent);

  /* Fonts */
  --font-display: "Space Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body:    "Space Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono:    "Space Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  /* Type scale */
  --fs-display: clamp(2.75rem, 1.6rem + 6.1vw, 6.5rem);
  --fs-h1:      clamp(2.25rem, 1.5rem + 3.6vw, 4.25rem);
  --fs-h2:      clamp(1.75rem, 1.3rem + 2.1vw, 2.75rem);
  --fs-h3:      clamp(1.25rem, 1.05rem + 0.9vw, 1.6rem);
  --fs-lead:    clamp(1.125rem, 1.0rem + 0.7vw, 1.5rem);
  --fs-body:    clamp(1rem, 0.97rem + 0.15vw, 1.125rem);
  --fs-small:   clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --fs-eyebrow: clamp(0.6875rem, 0.66rem + 0.12vw, 0.8125rem);
  --fs-stat:    clamp(2.5rem, 1.4rem + 5.5vw, 5rem);

  /* Spacing */
  --space-2xs: 0.25rem;
  --space-xs:  0.5rem;
  --space-sm:  0.75rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 9rem;

  /* Layout */
  --maxw:        1320px;
  --maxw-narrow: 760px;
  --measure:     60ch;
  --gutter:      clamp(1.25rem, 5vw, 4rem);
  --section-py:  clamp(5rem, 3rem + 9vw, 9rem);

  /* Hairlines / radius */
  --hairline: 1px solid var(--border);
  --radius:   0px;
  --radius-pill: 999px;

  /* Motion */
  --dur-fast: 160ms;
  --dur:      280ms;
  --dur-slow: 600ms;
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --reveal-shift: 24px;
  --stagger: 90ms;

  --nav-h: 72px;
}

/* ---- Reset / base ---- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: var(--nav-h); }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
::selection { background: var(--accent); color: var(--text-on-accent); }
:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.skip-link {
  position: fixed; top: -100px; left: var(--gutter); z-index: 200;
  background: var(--accent); color: var(--text-on-accent);
  padding: 0.6rem 1rem; font: 700 var(--fs-small) var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.1em;
  transition: top var(--dur) var(--ease-out);
}
.skip-link:focus { top: var(--space-md); }

/* ---- Typography helpers ---- */
.display { font: 500 var(--fs-display)/1.02 var(--font-display); letter-spacing: -0.02em; color: var(--text); }
h1, .h1  { font: 500 var(--fs-h1)/1.06 var(--font-display);  letter-spacing: -0.018em; color: var(--text); }
h2, .h2  { font: 500 var(--fs-h2)/1.12 var(--font-display);  letter-spacing: -0.012em; color: var(--text); }
h3, .h3  { font: 500 var(--fs-h3)/1.2  var(--font-display);  letter-spacing: -0.005em; color: var(--text); }
.lead    { font: 400 var(--fs-lead)/1.45 var(--font-body); color: var(--text); }
p        { font: 400 var(--fs-body)/1.6 var(--font-body); color: var(--text-muted); }
.small   { font: 400 var(--fs-small)/1.5 var(--font-body); color: var(--text-muted); }
.stat-num{ font: 500 var(--fs-stat)/1 var(--font-display); letter-spacing: -0.02em; color: var(--text); }

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  gap: 0.75em;
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
  flex: none;
}

/* ---- Layout primitives ---- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--maxw-narrow); }
.section { padding-block: var(--section-py); position: relative; }

.section-head { max-width: 760px; margin-bottom: var(--space-2xl); }
.section-head h2, .section-head .h1 { margin-top: var(--space-md); }
.section-head__intro { margin-top: var(--space-lg); max-width: var(--measure); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .section-head__intro { margin-inline: auto; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5em;
  font: 500 var(--fs-body) var(--font-display);
  letter-spacing: 0.01em;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease-out),
              color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
  min-height: 44px;
}
.btn--primary { background: var(--accent); color: var(--text-on-accent); }
.btn--primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn--primary:active { background: var(--accent-active); transform: translateY(0); }

.btn--ghost { border-color: var(--border-strong); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn--compact { padding: 0.55rem 1rem; font-size: 0.9375rem; min-height: 0; }

.btn--text {
  position: relative; padding: 0.85rem 0; color: var(--text);
  background: none;
}
.btn--text::after {
  content: ""; position: absolute; left: 0; bottom: 0.55rem;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}
.btn--text:hover { color: var(--accent); }
.btn--text:hover::after { transform: scaleX(1); }

/* ===================== [01] NAV ===================== */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease-out),
              backdrop-filter var(--dur) var(--ease-out),
              height var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.nav.is-solid {
  height: 64px;
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--hairline);
}

.wordmark { font: 500 1.125rem var(--font-display); letter-spacing: -0.01em; color: var(--text); }
.wordmark sup { font-size: 0.62em; vertical-align: super; color: var(--accent); margin-left: 0.04em; }

.nav__links { display: flex; align-items: center; gap: var(--space-lg); }
.nav__links a[data-navlink] {
  position: relative;
  font: 400 0.9375rem var(--font-body);
  color: var(--text);
  padding: 0.25rem 0;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__links a[data-navlink]::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav__links a[data-navlink]:hover { color: var(--accent); }
.nav__links a[data-navlink]:hover::after,
.nav__links a[data-navlink][aria-current="true"]::after { transform: scaleX(1); }
.nav__links a[data-navlink][aria-current="true"] { color: var(--accent); }
.nav__cta { margin-left: var(--space-xs); }

.nav__toggle {
  display: none;
  flex-direction: column; gap: 5px;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
}
.nav__toggle-bar { width: 22px; height: 2px; background: var(--text); transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out); }

/* Mobile overlay */
.nav-overlay {
  position: fixed; inset: 0; z-index: 150;
  background: var(--surface-1);
  display: flex; flex-direction: column;
  padding: var(--space-xl) var(--gutter);
}
.nav-overlay[hidden] { display: none; }
.nav-overlay__close {
  align-self: flex-end; font-size: 2.5rem; line-height: 1;
  color: var(--text); width: 44px; height: 44px;
}
.nav-overlay__links { display: flex; flex-direction: column; margin-top: var(--space-xl); }
.nav-overlay__links a {
  font: 500 var(--fs-h3) var(--font-display);
  color: var(--text);
  padding: var(--space-lg) 0;
  border-top: var(--hairline);
}
.nav-overlay__links a:last-child { border-bottom: var(--hairline); }
.nav-overlay__cta {
  margin-top: var(--space-xl); border: none !important;
  justify-content: center;
}

/* ===================== [02] HERO ===================== */
.hero {
  position: relative;
  height: 100svh; min-height: 600px;
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__video {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.85) contrast(1.02);
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, var(--scrim-strong) 0%, transparent 55%),
    linear-gradient(to bottom, var(--scrim-strong) 0%, transparent 30%),
    var(--scrim);
}
.hero__content {
  position: relative; z-index: 1;
  padding-bottom: clamp(5rem, 12vh, 9rem);
  padding-top: var(--nav-h);
  width: 100%;
}
.hero__headline { margin-top: var(--space-md); max-width: 16ch; }
.hero__lead { margin-top: var(--space-lg); max-width: 48ch; color: var(--text-muted); }
.hero__actions { margin-top: var(--space-xl); display: flex; align-items: center; gap: var(--space-lg); flex-wrap: wrap; }

.scroll-cue {
  position: absolute; left: 50%; bottom: var(--space-lg); z-index: 1;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: var(--space-sm);
}
.scroll-cue__line {
  position: relative; width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--text-faint), transparent);
  overflow: hidden;
}
.scroll-cue__dot {
  position: absolute; left: 50%; top: 0;
  width: 4px; height: 4px; margin-left: -2px;
  border-radius: var(--radius-pill); background: var(--accent);
  animation: scroll-drift 1.8s var(--ease-in-out) infinite;
}
.scroll-cue__label {
  font: 400 var(--fs-eyebrow) var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.22em; color: var(--text-faint);
}
@keyframes scroll-drift {
  0% { transform: translateY(-6px); opacity: 0; }
  35% { opacity: 1; }
  100% { transform: translateY(40px); opacity: 0; }
}

/* ===================== [03] MISSION ===================== */
.mission { padding-top: var(--space-4xl); }
.mission__statement {
  margin-top: var(--space-lg);
  font: 500 var(--fs-h2)/1.25 var(--font-display);
  letter-spacing: -0.012em;
  color: var(--text);
}
.mission__pullout {
  margin-top: var(--space-xl);
  font: 400 var(--fs-small) var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--text-muted);
}

/* ===================== [04] PILLARS ===================== */
.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
}
.pillar {
  display: flex; flex-direction: column;
  background: var(--surface-2);
  border: var(--hairline);
  border-radius: var(--radius);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: background var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out);
}
.pillar::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.pillar:hover {
  background: var(--surface-3);
  border-color: var(--border-strong);
  transform: translateY(-4px);
}
.pillar:hover::before { transform: scaleX(1); }

.pillar__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-md); margin-bottom: var(--space-lg); }
.pillar__index {
  font: 400 var(--fs-eyebrow) var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.2em; color: var(--text-faint);
}
.pillar__icon { width: 28px; height: 28px; color: var(--accent); flex: none; }
.pillar__title { margin-bottom: var(--space-xs); }
.pillar__sub {
  font: 400 var(--fs-small) var(--font-body);
  color: var(--text-muted); margin-bottom: var(--space-md);
  min-height: 1.5em;
}
.pillar__body { margin-top: auto; }

/* ===================== [05] OPERATING MODEL ===================== */
.operating { overflow: hidden; }
.operating .container { position: relative; z-index: 1; }
.operating__wash {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(closest-side at 50% 45%, var(--accent-dim), transparent 70%);
  opacity: 0.6;
}
.operating__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
  gap: var(--space-2xl);
  align-items: center;
}
.operating__diagram { max-width: 1000px; width: 100%; margin-inline: auto; }
.operating__diagram svg { width: 100%; height: auto; }

.operating__caption {
  margin-top: var(--space-2xl);
  text-align: center;
  font: 400 var(--fs-small) var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-muted);
}

/* Explainer panel */
.explainer {
  border-left: 1px solid var(--border-accent);
  padding-left: var(--space-xl);
}
.explainer__tag {
  font: 700 var(--fs-eyebrow) var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.2em; color: var(--accent);
}
.explainer__title { margin: var(--space-sm) 0 var(--space-md); }
.explainer__desc { color: var(--text-muted); }
.explainer__nav { margin-top: var(--space-xl); display: flex; flex-direction: column; gap: 1px; }
.explainer__nav li { }
.explainer__nav button {
  width: 100%; text-align: left;
  display: flex; align-items: baseline; gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font: 400 var(--fs-small) var(--font-body);
  color: var(--text-muted);
  border-left: 2px solid transparent;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.explainer__nav button:hover { background: var(--surface-2); color: var(--text); }
.explainer__nav button[aria-current="true"] {
  background: var(--surface-2);
  color: var(--text);
  border-left-color: var(--accent);
}
.explainer__nav-num {
  font-family: var(--font-mono); font-size: var(--fs-eyebrow);
  letter-spacing: 0.1em; color: var(--accent); flex: none;
}

/* Diagram layer interaction states (hooks added by JS) */
.operating__diagram [data-layer] { cursor: pointer; transition: opacity var(--dur) var(--ease-out); outline: none; }
.operating__diagram.is-stepping [data-layer]:not(.is-active) { opacity: 0.45; }
.operating__diagram [data-layer].is-active { opacity: 1; }
.operating__diagram [data-layer] .om-rail { opacity: 0.85; transition: opacity var(--dur) var(--ease-out); }
.operating__diagram [data-layer].is-active .om-rail { opacity: 1; }
.operating__diagram [data-layer].is-active .om-plate-rect { filter: drop-shadow(0 0 10px var(--accent-glow)); }
.operating__diagram [data-layer]:focus-visible .om-plate-rect { stroke: var(--accent); stroke-width: 2; }

/* ===================== [06] HOW WE WORK ===================== */
.how__list { border-top: var(--hairline); }
.how__row {
  display: grid;
  grid-template-columns: 4rem 1fr auto;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-md);
  border-bottom: var(--hairline);
  transition: background var(--dur) var(--ease-out);
}
.how__index {
  font: 400 var(--fs-small) var(--font-mono);
  letter-spacing: 0.15em; color: var(--text-faint);
  transition: color var(--dur-fast) var(--ease-out);
  align-self: start;
}
.how__title { margin-bottom: var(--space-2xs); }
.how__desc { color: var(--text-muted); max-width: var(--measure); }
.how__arrow {
  font-size: 1.25rem; color: var(--accent);
  opacity: 0; transform: translateX(-8px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.how__row:hover { background: var(--surface-1); }
.how__row:hover .how__index { color: var(--accent); }
.how__row:hover .how__arrow { opacity: 1; transform: translateX(0); }

/* ===================== [07] STATS BAND ===================== */
.stats {
  background: var(--surface-1);
  border-top: var(--hairline); border-bottom: var(--hairline);
  padding-block: clamp(4rem, 2.5rem + 6vw, 7rem);
}
.stats__eyebrow { margin-bottom: var(--space-2xl); }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat {
  padding: var(--space-md) var(--space-xl);
  border-left: var(--hairline);
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat__label {
  margin-top: var(--space-md);
  font: 400 var(--fs-small) var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-muted);
  max-width: 26ch;
}

/* ===================== [08] CTA ===================== */
.cta { text-align: center; }
.cta__panel {
  border: var(--hairline);
  padding: clamp(2.5rem, 1.5rem + 5vw, 6rem) var(--gutter);
}
.cta__panel .eyebrow { justify-content: center; }
.cta h2 { margin-top: var(--space-md); }
.cta__sub { margin: var(--space-lg) auto 0; max-width: 52ch; color: var(--text-muted); }
.cta__actions { margin-top: var(--space-xl); display: flex; justify-content: center; }

/* ===================== [09] FOOTER ===================== */
.footer { background: var(--bg); border-top: var(--hairline); padding-block: var(--space-3xl) var(--space-xl); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}
.wordmark--footer { font-size: 1.5rem; }
.footer__tagline { margin-top: var(--space-md); color: var(--text); }
.footer__closing { margin-top: var(--space-sm); font-size: var(--fs-small); color: var(--text-muted); max-width: 36ch; }

.footer__heading {
  font: 400 var(--fs-eyebrow) var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.22em; color: var(--text-faint);
  margin-bottom: var(--space-lg);
}
.footer__offices li { margin-bottom: var(--space-md); display: flex; flex-direction: column; }
.footer__city { color: var(--text); }
.footer__addr { color: var(--text-muted); font-size: var(--fs-small); }
.footer__contact li { margin-bottom: var(--space-sm); }
.footer__link { position: relative; color: var(--text); }
.footer__link::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}
.footer__link:hover { color: var(--accent); }
.footer__link:hover::after { transform: scaleX(1); }

.footer__bottom { border-top: var(--hairline); padding-top: var(--space-lg); }
.footer__legal {
  font: 400 var(--fs-small) var(--font-mono);
  letter-spacing: 0.04em; color: var(--text-faint);
}

/* ===================== SCROLL REVEAL ===================== */
.reveal {
  opacity: 0;
  transform: translateY(var(--reveal-shift));
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
  transition-delay: calc(var(--stagger) * var(--i, 0));
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1023px) {
  .operating__layout { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .explainer { border-left: none; border-top: 1px solid var(--border-accent); padding-left: 0; padding-top: var(--space-xl); }
  .explainer__nav { flex-direction: row; flex-wrap: wrap; gap: var(--space-xs); }
  .explainer__nav li { flex: 1 1 calc(50% - var(--space-xs)); }
}

@media (max-width: 767px) {
  :root { --nav-h: 60px; }
  .nav__links { display: none; }
  .nav__toggle { display: flex; }

  .pillars__grid { grid-template-columns: 1fr; }
  .how__row { grid-template-columns: 2.5rem 1fr; }
  .how__arrow { display: none; }
  .stats__grid { grid-template-columns: 1fr; }
  .stat { border-left: none; border-top: var(--hairline); padding: var(--space-lg) 0; }
  .stat:first-child { border-top: none; padding-top: 0; }

  .footer__grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .explainer__nav li { flex: 1 1 100%; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .pillars__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; padding-left: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

/* Coarse pointers: keep colour/border feedback, drop lift transforms */
@media (hover: none) {
  .pillar:hover { transform: none; }
  .btn--primary:hover { transform: none; }
}

/* ===================== REDUCED MOTION ===================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .scroll-cue__dot { animation: none; opacity: 1; top: 8px; }
}