/* =========================================================================
   Axon — design system
   Tokens derived from the approved reference set (cool near-black greyscale
   ramp, single technical-cyan accent, Inter + JetBrains Mono, 8px spacing
   rhythm, layered low-alpha elevation, spring easing).
   Deliberately single-theme: dark premium.
   ========================================================================= */

:root {
  color-scheme: dark;

  /* --- palette --------------------------------------------------------- */
  --bg: #07080a;
  /* page ground */
  --bg-raise: #0c0d0f;
  --surface: #101111;
  /* cards */
  --surface-2: #161718;
  /* card hover / raised */
  --border: #242728;
  /* hairline */
  --border-soft: #1b1c1e;

  --fg: #f4f4f6;
  /* primary text */
  --fg-2: #c2c7ca;
  /* secondary text */
  --fg-3: #9aa0a6;
  /* labels / eyebrows (AA on --bg) */
  --fg-4: #5e6366;
  /* decorative: ticks, separators */

  --accent: #57c1ff;
  /* the one bold hue (JS cycles this cyan->amber->red) */
  --accent-2: #8fd4ff;
  /* derived from --accent so the whole theme shifts with the cycle */
  --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);
  --accent-line: color-mix(in srgb, var(--accent) 28%, transparent);
  --accent-glow: color-mix(in srgb, var(--accent) 38%, transparent);

  --white: #ffffff;
  /* reserved: primary button only */

  /* --- spacing scale ------------------------------------------------- */
  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-5: 40px;
  --sp-6: 48px;
  --sp-7: 56px;
  --sp-8: 64px;
  --sp-9: 80px;
  --sp-10: 96px;

  /* --- radius ------------------------------------------------------- */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;

  /* --- layout ----------------------------------------------------- */
  --container: 1204px;
  --container-tight: 1064px;
  --pad-x: 24px;
  --nav-h: 72px;

  /* --- type ----------------------------------------------------- */
  --font: "Inter", "Inter Fallback", system-ui, -apple-system, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco,
    "Courier New", monospace;

  /* --- motion ------------------------------------------------------ */
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-spring: cubic-bezier(0.115, 0.61, 0.255, 1);

  /* --- elevation: layered low-alpha + inset highlight ------------- */
  --shadow-card:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.03),
    0 0 0 0.5px rgba(0, 0, 0, 0.5),
    0 12px 40px -18px rgba(0, 0, 0, 0.7);
  --shadow-panel:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.04),
    0 0 0 0.5px rgba(0, 0, 0, 0.6),
    0 40px 90px -44px rgba(0, 0, 0, 0.85);
}

/* =========================================================================
   Reset / base
   ========================================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg-2);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul {
  list-style: none;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--accent);
  color: #04121c;
}

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

/* =========================================================================
   Primitives
   ========================================================================= */

.container {
  width: min(100% - (var(--pad-x) * 2), var(--container));
  margin-inline: auto;
}

.container--tight {
  max-width: var(--container-tight);
}

.section {
  padding-block: clamp(64px, 8vw, 116px);
  position: relative;
}

.section,
.hero,
[id] {
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px 1px var(--accent-glow);
  flex: none;
}

h1,
h2,
h3 {
  color: var(--fg);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-wrap: balance;
}

.h-hero {
  font-size: clamp(2.05rem, 1.15rem + 4.4vw, 4rem);
  letter-spacing: -0.028em;
  line-height: 1.06;
}

/* hero headline body: near-white. Only "AI systems" (.hero__hi) picks up the
   live theme accent, and it flows the opposite way — accent at the start,
   fading to white. --accent is JS-animated, so that word drifts hue with the
   page. Clip is per-element (each span clips its own gradient to its glyphs). */
.hero__title-ghost,
.hero__title-live,
.hero__typed {
  background: linear-gradient(180deg, #ffffff 0%, #dfe4ea 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__hi {
  background: linear-gradient(112deg,
      var(--accent) 2%,
      color-mix(in srgb, var(--accent) 58%, #ffffff) 48%,
      #ffffff 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 18px color-mix(in srgb, var(--accent) 24%, transparent));
}

@supports not ((-webkit-background-clip: text) or (background-clip: text)) {

  .hero__title-ghost,
  .hero__title-live,
  .hero__typed {
    color: var(--fg);
  }

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

.h-section {
  font-size: clamp(1.9rem, 1.4rem + 2vw, 2.6rem);
}

.section__head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  max-width: 56ch;
  margin-bottom: clamp(36px, 5vw, 60px);
}

.section__lead {
  color: var(--fg-2);
  font-size: clamp(1rem, 0.96rem + 0.3vw, 1.125rem);
  max-width: 52ch;
}

p {
  max-width: 64ch;
}

/* --- buttons --------------------------------------------------------- */

.btn {
  --btn-h: 46px;
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: var(--btn-h);
  padding: 0 22px;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 550;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  transition:
    transform 0.18s var(--ease-out),
    background-color 0.22s,
    border-color 0.22s,
    box-shadow 0.3s var(--ease-out),
    color 0.2s;
}

.btn svg {
  width: 15px;
  height: 15px;
}

.btn:active {
  transform: translateY(0) scale(0.985);
}

/* light sweep on hover */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg,
      transparent 32%,
      rgba(255, 255, 255, 0.5) 48%,
      transparent 62%);
  transform: translateX(-130%);
  transition: transform 0.65s var(--ease-out);
}

.btn:hover::before {
  transform: translateX(130%);
}

.btn--primary {
  --b: var(--accent);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--b) 88%, #ffffff) 0%,
      var(--b) 46%,
      color-mix(in srgb, var(--b) 74%, #04141c) 100%);
  color: #04121b;
  border: 1px solid color-mix(in srgb, var(--b) 55%, #ffffff);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    inset 0 -10px 20px -12px rgba(0, 0, 0, 0.4),
    0 1px 2px rgba(0, 0, 0, 0.4),
    0 10px 26px -12px color-mix(in srgb, var(--b) 70%, transparent);
}

.btn--primary::before {
  background: linear-gradient(115deg,
      transparent 30%,
      rgba(255, 255, 255, 0.7) 48%,
      transparent 64%);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.65),
    inset 0 -10px 20px -12px rgba(0, 0, 0, 0.42),
    0 2px 6px rgba(0, 0, 0, 0.4),
    0 20px 46px -14px color-mix(in srgb, var(--b) 82%, transparent),
    0 0 0 4px color-mix(in srgb, var(--b) 20%, transparent);
}

.btn--ghost {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02));
  color: var(--fg);
  border: 1px solid var(--border);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 1px 2px rgba(0, 0, 0, 0.35);
}

.btn--ghost::before {
  background: linear-gradient(115deg,
      transparent 34%,
      color-mix(in srgb, var(--accent) 22%, transparent) 50%,
      transparent 64%);
}

.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    radial-gradient(120% 140% at 50% 0%, var(--accent-soft), transparent 60%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.09),
    0 0 0 1px var(--accent-line),
    0 16px 34px -16px var(--accent-glow);
}

.btn--lg {
  --btn-h: 52px;
  padding: 0 30px;
  font-size: 15px;
}

/* =========================================================================
   Navigation
   ========================================================================= */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background-color 0.3s;
}

.nav.is-scrolled {
  border-bottom-color: var(--border-soft);
  background: color-mix(in srgb, var(--bg) 30%, transparent);
}

.nav__inner {
  width: min(100% - (var(--pad-x) * 2), var(--container));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.brand__mark {
  width: 30px;
  height: 30px;
  flex: none;
}

.brand__name {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  line-height: 1;
}

.brand__word {
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1;
}

.brand__suffix {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  line-height: 1;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.nav__links a {
  font-size: 14px;
  color: var(--fg-3);
  transition: color 0.18s;
}

.nav__links a:hover {
  color: var(--fg);
}

@media (max-width: 900px) {
  .nav__links {
    display: none;
  }
}

/* =========================================================================
   Hero
   ========================================================================= */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100vh - var(--nav-h));
  min-height: calc(100svh - var(--nav-h));
  padding-block: clamp(56px, 12vh, 140px);
  overflow: hidden;
}

/* --- full-bleed constellation background --------------------------- */

.hero__visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /* horizontal drags orbit the shape (JS), vertical stays a page scroll */
  touch-action: pan-y;
}
.hero.is-dragging {
  -webkit-user-select: none;
  user-select: none;
}

/* The hero .container gets a parallax transform on load, which lifts it above
   .hero__visual in the hit-test layer and swallows pointer events on the empty
   right side — killing the constellation's grab/drag cursor. Let that empty
   area fall through; only the copy block itself stays interactive. */
.hero>.container {
  pointer-events: none;
}

.hero__copy {
  pointer-events: auto;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg,
      var(--bg) 0%,
      rgba(7, 8, 10, 0.72) 26%,
      rgba(7, 8, 10, 0.1) 50%,
      rgba(7, 8, 10, 0) 72%),
    linear-gradient(0deg, var(--bg) 1%, rgba(7, 8, 10, 0) 28%),
    radial-gradient(110% 85% at 4% 50%, var(--bg) 2%, rgba(7, 8, 10, 0) 48%);
}

@media (max-width: 780px) {
  /* On a single column a big shape and the copy fight for the same space,
     whatever you do. So on mobile the constellation stops being a full-bleed
     backdrop and becomes a contained graphic BLOCK at the top; the copy flows
     beneath it on clean ground — no overlap, nothing clipped, both legible. */
  .hero {
    flex-direction: column;
    align-items: stretch;
    min-height: 0;
    padding-block: 0 clamp(52px, 15vw, 96px);
  }
  .hero__visual {
    position: relative;
    inset: auto;
    width: 100%;
    height: 38vh;
    min-height: 236px;
    max-height: 340px;
  }
  .hero__scrim {
    /* just melt the bottom edge of the graphic into the page */
    background: linear-gradient(180deg,
      transparent 0%,
      transparent 58%,
      var(--bg) 100%);
  }
  .hero > .container {
    padding-top: clamp(22px, 7vw, 40px);
  }
  .hero__copy {
    max-width: none;
  }
}

/* --- hero copy (sits above the constellation) --------------------- */

.hero__copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-4);
  max-width: 40rem;
}

.hero__lead {
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.2rem);
  color: var(--fg-2);
  max-width: 46ch;
}

/* --- headline typewriter ----------------------------------------- */

.hero__title {
  position: relative;
}

.hero__title-ghost,
.hero__title-live {
  text-wrap: wrap;
}

.hero__title.is-typing .hero__title-ghost {
  visibility: hidden;
}

.hero__title-live {
  position: absolute;
  inset: 0 0 auto 0;
  display: none;
}

.hero__title.is-typing .hero__title-live {
  display: block;
}

/* not-yet-typed remainder: holds its layout so line breaks never shift */
.hero__pending {
  visibility: hidden;
}

/* The caret is a right border on the trailing run — NOT a separate inline box.
   An inline-block caret between the typed and pending spans was a line-break
   opportunity, so a word straddling the boundary (th|e, shouldn'|t) split
   across two rows. A border introduces no break, so whole words wrap intact.
   While the accent word is still typing (.is-hi) the caret rides .hero__hi;
   after that it moves to .hero__typed. margin-right:-3px cancels the border's
   advance so wrapping matches the finished headline exactly. */
.hero__title.is-hi .hero__hi,
.hero__title:not(.is-hi) .hero__typed {
  border-right: 3px solid var(--accent);
  margin-right: -3px;
  border-radius: 1px;
  animation: heroCaretBlink 1.05s steps(1, end) infinite;
}

.hero__title.is-done .hero__typed {
  animation-duration: 1.15s;
}

@keyframes heroCaretBlink {

  0%,
  46% {
    border-right-color: var(--accent);
  }

  47%,
  100% {
    border-right-color: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {

  .hero__hi,
  .hero__typed {
    border-right: 0;
    animation: none;
  }
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-1);
}

/* --- hero sequence: lead + buttons hold until the headline finishes typing,
   then reveal one after another (JS adds .is-sequenced on is-done) --------- */
html.js .hero__copy[data-hero-seq] .hero__lead,
html.js .hero__copy[data-hero-seq] .hero__actions>* {
  opacity: 0;
  transform: translateY(14px);
  filter: blur(4px);
  transition:
    opacity 0.55s var(--ease-out),
    transform 0.7s var(--ease-spring),
    filter 0.5s var(--ease-out);
}

html.js .hero__copy[data-hero-seq].is-sequenced .hero__lead,
html.js .hero__copy[data-hero-seq].is-sequenced .hero__actions>* {
  opacity: 1;
  transform: none;
  filter: none;
}

html.js .hero__copy[data-hero-seq].is-sequenced .hero__lead {
  transition-delay: 0s;
}

html.js .hero__copy[data-hero-seq].is-sequenced .hero__actions>*:nth-child(1) {
  transition-delay: 0.16s;
}

html.js .hero__copy[data-hero-seq].is-sequenced .hero__actions>*:nth-child(2) {
  transition-delay: 0.30s;
}

@media (prefers-reduced-motion: reduce) {

  html.js .hero__copy[data-hero-seq] .hero__lead,
  html.js .hero__copy[data-hero-seq] .hero__actions>* {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}

.hero__meta {
  position: absolute;
  right: clamp(20px, 4vw, 48px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 1;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
}

@media (max-width: 780px) {
  .hero__meta {
    display: none;
  }
}

/* =========================================================================
   Trust strip
   ========================================================================= */

.trust {
  border-block: 1px solid var(--border-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.012), transparent);
}

.trust__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding-block: 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  list-style: none;
}

.trust__row li {
  display: inline-block;
  white-space: nowrap;
  vertical-align: middle;
}

.trust__row li:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  margin: 0 clamp(16px, 3vw, 40px);
  border-radius: 50%;
  background: var(--fg-4);
  vertical-align: middle;
}

/* per-character sequential decode / scramble (JS-driven) */
.trust__row li .ch {
  display: inline-block;
  min-width: 0.6em;
  text-align: center;
  transition: color 0.1s linear;
}

.trust__row li .ch.is-glitch {
  color: var(--accent);
  text-shadow: 0 0 8px var(--accent-glow);
}

/* eyebrow labels run the same per-character decode when scrolled into view */
.eyebrow__txt {
  display: inline-block;
}

.eyebrow .ch {
  display: inline-block;
  min-width: 0.56em;
  text-align: center;
  transition: color 0.1s linear;
}

.eyebrow .ch.is-glitch {
  color: var(--accent);
  text-shadow: 0 0 8px var(--accent-glow);
}

/* =========================================================================
   Cards grid (services)
   ========================================================================= */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 720px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(24px, 3vw, 32px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  transition:
    transform 0.22s var(--ease-out),
    border-color 0.22s,
    background-color 0.22s;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.14);
  background: var(--surface-2);
  box-shadow:
    var(--shadow-card),
    0 20px 44px -24px color-mix(in srgb, var(--accent) 45%, transparent);
}

.card__icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--accent-soft);
  color: var(--fg-2);
}

.card__icon svg {
  width: 17px;
  height: 17px;
}

.card h3 {
  font-size: 1.0625rem;
}

.card p {
  font-size: 0.9375rem;
  color: var(--fg-2);
  max-width: 46ch;
}

.card p strong {
  color: var(--fg);
  font-weight: 600;
}

/* index marker, top-right — echoes the Process step numbers */
.card__n {
  position: absolute;
  top: clamp(18px, 2.4vw, 24px);
  right: clamp(18px, 2.4vw, 26px);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fg-4);
  transition: color 0.22s var(--ease-out);
}

.card:hover .card__n {
  color: var(--accent);
}

/* the accent node in each icon swells slightly on hover */
.card__icon svg circle[fill] {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.32s var(--ease-spring);
}

@media (hover: hover) {
  .card:hover .card__icon svg circle[fill] {
    transform: scale(1.35);
  }
}

/* =========================================================================
   Process — Audit / Design / Deploy (a real sequence → numbered)
   ========================================================================= */

.steps {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 40px);
}

@media (min-width: 760px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps::before {
    content: "";
    position: absolute;
    top: 17px;
    left: 7%;
    right: 7%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border) 12%, var(--border) 88%, transparent);
  }
}

.step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step__n {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fg-3);
  background: var(--bg);
  padding-right: 14px;
}

.step__n::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.step h3 {
  font-size: 1.0625rem;
}

.step p {
  font-size: 0.9375rem;
  color: var(--fg-2);
  max-width: 34ch;
}

/* =========================================================================
   Outcomes
   ========================================================================= */

.outcomes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 720px) {
  .outcomes {
    grid-template-columns: repeat(2, 1fr);
  }
}

.outcome {
  display: flex;
  gap: 16px;
  padding: clamp(22px, 2.6vw, 28px);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.014), transparent);
  transition: border-color 0.22s, background-color 0.22s;
}

.outcome:hover {
  border-color: var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
}

.outcome__k {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-top: 1px;
  border-radius: 8px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
}

.outcome__k svg {
  width: 15px;
  height: 15px;
  display: block;
}

.outcome h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.outcome p {
  font-size: 0.9375rem;
  color: var(--fg-2);
  max-width: 42ch;
}

/* =========================================================================
   Stack / capabilities
   ========================================================================= */

.stack {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
}

@media (min-width: 760px) {
  .stack {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stack__group {
  padding: clamp(24px, 3vw, 34px);
  border-bottom: 1px solid var(--border-soft);
}

.stack__group:last-child {
  border-bottom: 0;
}

@media (min-width: 760px) {
  .stack__group:nth-child(odd) {
    border-right: 1px solid var(--border-soft);
  }

  .stack__group:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}

.stack__group dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 12px;
}

.stack__group dd {
  color: var(--fg-2);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* =========================================================================
   Logo stack — twin conveyor of bordered brand pills.
   Reworked from a plain white logo strip: no black band, sits on the page
   ground; both rows drift the SAME way at different speeds (parallax); each
   logo is a hairline pill in the site's surface language; edges fade to --bg
   via scrims rather than a mask.
   ========================================================================= */

/* the eyebrow lives outside .logos, so it carries the block's top rhythm
   itself (matching a section's top padding under the divider) */
.logos__eyebrow-wrap {
  text-align: center;
  margin-top: clamp(60px, 8vw, 104px);
  margin-bottom: clamp(28px, 4vw, 46px);
}

.logos {
  padding-block: 0 clamp(56px, 8vw, 96px);
}

.logos__rows {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.6vw, 18px);
  padding: 5px 0px;
}

/* fade the two ends into the page ground */
.logos__rows::before,
.logos__rows::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(56px, 12vw, 170px);
  z-index: 2;
  pointer-events: none;
}

.logos__rows::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}

.logos__rows::after {
  right: 0;
  background: linear-gradient(-90deg, var(--bg), transparent);
}

.marquee {
  display: flex;
  width: max-content;
  animation: marqueeScroll 54s linear infinite;
}

/* second row runs the other way, and a touch slower */
.marquee--slow {
  animation-direction: reverse;
  animation-duration: 68s;
}

@keyframes marqueeScroll {
  to {
    transform: translateX(-50%);
  }
}

@media (hover: hover) {
  .logos:hover .marquee {
    animation-play-state: paused;
  }
}

.marquee__group {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.5vw, 18px);
  padding-right: clamp(12px, 1.5vw, 18px);
  flex: none;
}

.brandchip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  padding: 10px 17px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg-2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03), 0 1px 2px rgba(0, 0, 0, 0.3);
  transition:
    transform 0.22s var(--ease-out),
    border-color 0.22s,
    background-color 0.22s,
    color 0.22s;
}

.brandchip svg {
  width: 20px;
  height: 20px;
  flex: none;
  color: var(--fg-3);
  transition: color 0.22s;
}

.brandchip span {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

@media (hover: hover) {
  .brandchip:hover {
    transform: translateY(-2px);
    border-color: var(--accent-line);
    background: var(--surface-2);
    color: var(--fg);
  }

  .brandchip:hover svg {
    color: var(--accent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee {
    animation: none;
    width: auto;
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 12px;
  }

  .marquee__group {
    flex-wrap: wrap;
    justify-content: center;
    padding-right: 0;
    row-gap: 12px;
  }
}

/* =========================================================================
   About
   ========================================================================= */

.about {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 60px);
  align-items: start;
}

@media (min-width: 860px) {
  .about {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
  }
}

.about__body p {
  color: var(--fg-2);
  font-size: clamp(1rem, 0.97rem + 0.3vw, 1.0625rem);
}

.about__body p+p {
  margin-top: 18px;
}

.creds {
  border-left: 1px solid var(--border);
}

.creds li {
  position: relative;
  padding: 16px 0 16px 22px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--fg-2);
}

.creds li+li {
  border-top: 1px solid var(--border-soft);
}

.creds li::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  width: 1px;
  height: 20px;
  background: var(--accent);
  transform: translateY(-50%);
}

/* =========================================================================
   Feature split + live chat preview  (#preview)
   ========================================================================= */

.feature-split {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

@media (min-width: 920px) {
  .feature-split {
    flex-direction: row;
  }

  .feature-split--reverse {
    flex-direction: row-reverse;
  }

  .feature-split__copy {
    width: 38%;
    flex: none;
  }

  .feature-split__preview {
    flex: 1;
    min-width: 0;
  }
}

.feature-split__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.feature-split__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-split__icon {
  width: 36px;
  height: 36px;
  flex: none;
  margin-top: 2px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--accent-soft);
  color: var(--fg-2);
}

.feature-split__icon svg {
  width: 19px;
  height: 19px;
}

.feature-split__head h3 {
  font-size: 1.15rem;
  line-height: 1.25;
}

.feature-split__kicker {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.tag-pop {
  position: relative;
  top: -0.55em;
  margin-left: 8px;
  padding: 3px 7px;
  border-radius: 5px;
  background: var(--accent);
  color: #04121c;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.feature-split__desc {
  margin-top: var(--sp-3);
  color: var(--fg-2);
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 46ch;
}

.feature-split__desc strong {
  color: var(--fg);
  font-weight: 600;
}

.feature-split__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--sp-3);
}

.feature-split__pills span {
  font-size: 12px;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--bg-raise);
  border: 1px solid var(--border);
  color: var(--fg-3);
}

.feature-split__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: var(--sp-4);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.feature-split__link svg {
  width: 15px;
  height: 15px;
  transition: transform 0.22s var(--ease-spring);
}

.feature-split__link:hover svg {
  transform: translateX(4px);
}

/* --- browser-chrome preview shell --------------------------------- */

.preview {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-panel);
}

.preview__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-raise);
}

.preview__id {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.preview__dots {
  display: flex;
  gap: 6px;
  flex: none;
}

.preview__dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.28), inset 0 1px 1px rgba(255, 255, 255, 0.28);
}

.preview__dots i:nth-child(1) {
  background: #ff5f57;
}

.preview__dots i:nth-child(2) {
  background: #febc2e;
}

.preview__dots i:nth-child(3) {
  background: #28c840;
}

.preview__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--fg-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview__status {
  flex: none;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  padding: 3px 8px;
  border-radius: 999px;
}

.preview__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(16px, 2.4vw, 26px);
  min-height: 360px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent);
}

/* --- chat messages ---------------------------------------------- */

.msg {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  max-width: 84%;
}

.msg--user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.msg--bot {
  align-self: flex-start;
}

.msg__avatar {
  width: 26px;
  height: 26px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.02em;
}

.msg--bot .msg__avatar {
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
}

.msg--user .msg__avatar {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--fg-3);
}

.msg__bubble {
  padding: 10px 13px;
  border-radius: 13px;
  font-size: 13.5px;
  line-height: 1.55;
  max-width: none;
}

.msg--bot .msg__bubble {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--fg-2);
  border-bottom-left-radius: 4px;
}

.msg--user .msg__bubble {
  background: var(--accent);
  color: #04121c;
  font-weight: 450;
  border-bottom-right-radius: 4px;
}

.msg__tool {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-3);
  background: var(--bg-raise);
  border: 1px solid var(--border-soft);
  padding: 5px 10px;
  border-radius: 8px;
}

.msg__tool svg {
  width: 13px;
  height: 13px;
  flex: none;
  color: var(--accent);
}

/* typing indicator */
.typing {
  align-self: flex-start;
  display: inline-flex;
  gap: 4px;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 13px;
  border-bottom-left-radius: 4px;
}

.typing i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fg-3);
  animation: typingDot 1.2s infinite ease-in-out;
}

.typing i:nth-child(2) {
  animation-delay: 0.15s;
}

.typing i:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes typingDot {

  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.35;
  }

  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

/* JS-driven staggered entrance (base state stays visible for no-JS) */
html.js [data-chat-preview] .msg.is-pending,
html.js [data-chat-preview] .msg__tool.is-pending {
  opacity: 0;
  transform: translateY(8px);
}

[data-chat-preview] .msg,
[data-chat-preview] .msg__tool {
  transition: opacity 0.4s var(--ease-out), transform 0.5s var(--ease-spring);
}

@media (prefers-reduced-motion: reduce) {
  .typing i {
    animation: none;
    opacity: 0.5;
  }
}

/* =========================================================================
   Final CTA
   ========================================================================= */

.final {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.final::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 42%;
  width: 900px;
  max-width: 120vw;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(50% 50% at 50% 50%, var(--accent-soft), transparent 70%);
  pointer-events: none;
}

.final__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
}

.final .h-section {
  font-size: clamp(2rem, 1.45rem + 2.7vw, 3rem);
  max-width: 18ch;
}

.final p {
  color: var(--fg-2);
  max-width: 46ch;
}

.final__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: center;
  margin-top: var(--sp-1);
}

/* =========================================================================
   Footer
   ========================================================================= */

.footer {
  border-top: 1px solid var(--border-soft);
  padding-block: var(--sp-8) var(--sp-6);
}

.footer__grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5) clamp(32px, 6vw, 72px);
  justify-content: space-between;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 34ch;
}

.footer__brand p {
  font-size: 13px;
  color: var(--fg-3);
}

.footer__cols {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(32px, 6vw, 72px);
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
}

.footer__col h4 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 4px;
}

.footer__col a {
  color: var(--fg-3);
  transition: color 0.18s;
}

.footer__col a:hover {
  color: var(--fg);
}

.footer__base {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--sp-7);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-4);
}

/* =========================================================================
   Scroll effects
   ========================================================================= */

/* --- reading-progress bar --------------------------------------------- */
/* --sp is written every animation frame by a dedicated rAF loop (see
   constellation.js) that samples real scroll position + live viewport size,
   so it stays glued to the scroll on mobile. No CSS transition — that only
   added chase/lag on top of the per-frame updates. */
/* The fill is an absolutely-positioned pseudo whose *width* tracks --sp.
   The old version scaled the whole bar with transform: scaleX() — which also
   squashed/stretched the box-shadow every frame, and THAT re-rasterisation
   was the "glitching". A width change on an out-of-flow pseudo has no layout
   cost and leaves the glow crisp. */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 60;
  pointer-events: none;
}
.scroll-progress::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: calc(var(--sp, 0) * 100%);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 10px var(--accent-glow);
  transition: width 0.12s linear;
}

/* --- hero parallax (JS-driven via inline transform/opacity) ---------- */
.hero__visual {
  will-change: transform;
}

.hero .container {
  will-change: transform, opacity;
}

/* --- scroll reveal -------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(4px);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.85s var(--ease-spring),
    filter 0.55s var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
  filter: none;
}

.card[data-reveal] {
  transform: translateY(22px) scale(0.985);
}

/* once revealed, hand transitions back to the component so hovers stay snappy */
.card[data-reveal].is-visible {
  transform: none;
  transition: transform 0.22s var(--ease-out), border-color 0.22s, background-color 0.22s;
}

.outcome[data-reveal].is-visible {
  transition: border-color 0.22s, background-color 0.22s;
}

/* hairline rules draw themselves in, left to right */
.divider[data-reveal] {
  opacity: 1;
  filter: none;
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 1s var(--ease-spring);
}

.divider[data-reveal].is-visible {
  transform: scaleX(1);
}

/* --- per-word reveal (borrowed from korvax.ai) ---------------------- */
/* JS wraps each word: <span class="wd"><span class="wd__i" style="--i:n">…</span></span> */
[data-split] .wd {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  /* let descenders (g, y, p) clear the clip edge */
  padding-bottom: 0.12em;
  margin-bottom: -0.12em;
}

[data-split] .wd__i {
  display: inline-block;
  transform: translateY(115%);
  transition: transform 0.75s var(--ease-spring);
  transition-delay: calc(var(--i) * 42ms);
  will-change: transform;
}

[data-split].is-split-in .wd__i {
  transform: translateY(0);
}

/* the section lead holds until its heading's word-reveal has played, then
   fades in just as the heading settles */
html.js .section__head .h-section[data-split]~.section__lead {
  opacity: 0;
  transform: translateY(12px);
  filter: blur(4px);
  transition:
    opacity 0.55s var(--ease-out),
    transform 0.7s var(--ease-spring),
    filter 0.5s var(--ease-out);
}

html.js .section__head .h-section[data-split].is-split-in~.section__lead {
  opacity: 1;
  transform: none;
  filter: none;
  transition-delay: 0.5s;
}

@media (prefers-reduced-motion: reduce) {
  html.js .section__head .h-section[data-split]~.section__lead {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}

/* softer variant for supporting copy: fade + rise + de-blur, no clip */
.split--soft .wd {
  overflow: visible;
  padding-bottom: 0;
  margin-bottom: 0;
}

.split--soft .wd__i {
  transform: translateY(0.5em);
  opacity: 0;
  filter: blur(6px);
  transition:
    transform 0.6s var(--ease-out),
    opacity 0.55s var(--ease-out),
    filter 0.5s var(--ease-out);
  transition-delay: calc(var(--i) * 20ms);
}

.split--soft.is-split-in .wd__i {
  transform: none;
  opacity: 1;
  filter: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-split] .wd__i {
    transform: none;
    opacity: 1;
    filter: none;
    transition: none;
  }
}

/* =========================================================================
   Hover micro-interactions
   ========================================================================= */

/* cursor-tracking glow on cards — a gradient wash that follows the pointer,
   plus a masked gradient border, both fading in on hover */
.card {
  position: relative;
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(280px circle at var(--mx, 50%) var(--my, 0%),
      color-mix(in srgb, var(--accent) 26%, transparent),
      transparent 60%),
    linear-gradient(160deg,
      color-mix(in srgb, var(--accent) 14%, transparent),
      transparent 42%);
  mix-blend-mode: screen;
  transition: opacity 0.3s var(--ease-out);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(150deg,
      color-mix(in srgb, var(--accent) 60%, transparent) 0%,
      transparent 38%,
      transparent 64%,
      color-mix(in srgb, var(--accent) 32%, transparent) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: opacity 0.3s var(--ease-out);
}

@media (hover: hover) {
  .card:hover::after {
    opacity: 1;
  }

  .card:hover::before {
    opacity: 1;
  }

  .card:hover .card__icon {
    color: var(--accent-2);
    border-color: var(--accent-line);
    box-shadow: 0 0 0 3px var(--accent-soft);
  }
}

.card__icon {
  transition: color 0.22s, border-color 0.22s, box-shadow 0.22s;
}

/* buttons: the trailing arrow nudges forward on hover */
.btn svg {
  transition: transform 0.22s var(--ease-spring);
}

.btn:hover svg {
  transform: translateX(4px);
}

/* nav + footer links: underline wipes in from the left */
.nav__links a,
.footer__col a {
  position: relative;
}

.nav__links a::after,
.footer__col a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.28s var(--ease-out);
}

.nav__links a:hover::after,
.footer__col a:hover::after,
.nav__links a[aria-current]::after {
  transform: scaleX(1);
}

.nav__links a[aria-current] {
  color: var(--fg);
}

/* stack rows respond to hover */
.stack__group {
  transition: background-color 0.22s;
}

@media (hover: hover) {
  .stack__group:hover {
    background: var(--surface-2);
  }

  .stack__group:hover dt {
    color: var(--accent);
  }
}

.stack__group dt {
  transition: color 0.22s;
}

/* outcome arrow slides on hover */
.outcome__k {
  transition: transform 0.22s var(--ease-out);
}

@media (hover: hover) {
  .outcome:hover .outcome__k {
    transform: translateX(4px);
  }
}

/* =========================================================================
   A11y helpers
   ========================================================================= */

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 13px;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 12px;
}

@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;
  }

  [data-reveal],
  .divider[data-reveal] {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

@media (max-width: 600px) {
  :root {
    --pad-x: 18px;
    --nav-h: 62px;
  }

  /* tighten vertical rhythm a little */
  .section {
    padding-block: clamp(52px, 13vw, 96px);
  }
  .section__head {
    margin-bottom: clamp(28px, 8vw, 44px);
  }

  /* hero: less air between stacked blocks */
  .hero {
    padding-block: clamp(40px, 14vw, 96px) clamp(52px, 16vw, 110px);
  }
  .hero__copy {
    gap: var(--sp-3);
  }
  .hero__lead {
    font-size: 1.02rem;
  }

  /* full-width, stacked action buttons read better than two cramped pills */
  .hero__actions,
  .final__actions {
    width: 100%;
    gap: 10px;
  }
  .hero__actions .btn,
  .final__actions .btn {
    width: 100%;
  }

  /* logo pills: a touch more compact */
  .brandchip {
    padding: 8px 13px;
    gap: 8px;
  }
  .brandchip svg {
    width: 18px;
    height: 18px;
  }
  .brandchip span {
    font-size: 12.5px;
  }

  /* chat preview: shorter so it isn't a wall of empty panel */
  .preview__body {
    min-height: 300px;
    padding: 16px 14px;
  }
  .msg {
    max-width: 92%;
  }

  /* stack list: single column reads cleaner than a squashed 2-up */
  .footer__grid {
    gap: var(--sp-5) var(--sp-4);
  }

  /* progress bar a hair thicker so it's visible on dense screens */
  .scroll-progress {
    height: 3px;
  }
}