/* ============================================================
   stempo — landing page
   Aesthetic: "blue hour" — the app's own theme carried out to
   the marketing surface. Ink-indigo night, electric chartreuse
   signal accent, glassy rack panels, grain. Matches
   frontend/src/styles/globals.css.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wdth,wght@12..96,75..100,200..800&family=Spline+Sans+Mono:ital,wght@0,300..700;1,300..700&display=swap');

:root {
  /* color — same oklch values as the app */
  --bg:           oklch(13.5% 0.018 255);
  --bg-elev:      oklch(16% 0.02 255);
  --bg-card:      oklch(18.5% 0.022 255);
  --bg-card-hi:   oklch(23.5% 0.025 255);
  --ink:          oklch(96.5% 0.008 250);
  --ink-mute:     oklch(73% 0.022 252);
  --ink-faint:    oklch(57% 0.028 252);
  --accent:       oklch(86% 0.21 128);
  --accent-deep:  oklch(72% 0.18 130);
  --accent-glow:  oklch(86% 0.21 128 / 0.4);
  --accent-ink:   oklch(20% 0.06 130);
  --red:          oklch(66% 0.21 22);
  --ok:           oklch(74% 0.15 160);
  --gold:         oklch(81% 0.14 85);
  --rule:         oklch(27.5% 0.03 255);
  --rule-mid:     oklch(36% 0.035 255);
  --rule-strong:  oklch(48% 0.04 255);

  /* type — Bricolage display + Spline Sans Mono readouts */
  --display: 'Bricolage Grotesque', ui-sans-serif, system-ui, sans-serif;
  --body:    'Bricolage Grotesque', ui-sans-serif, system-ui, sans-serif;
  --mono:    'Spline Sans Mono', ui-monospace, monospace;

  /* layout */
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --max:    1280px;

  color-scheme: dark;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-optical-sizing: auto;
  font-size: 16.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg, video { display: block; max-width: 100%; }
::selection { background: var(--accent); color: var(--accent-ink); }

/* ---------- atmosphere: blue-hour glow + grain ---------- */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(120% 70% at 50% -20%,
      oklch(32% 0.06 265 / 0.5) 0%, transparent 60%),
    radial-gradient(50% 40% at 85% 110%,
      oklch(40% 0.09 140 / 0.12) 0%, transparent 70%);
}
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, header, footer { position: relative; z-index: 1; }

/* ---------- typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  font-variation-settings: 'wdth' 100, 'opsz' 48;
  letter-spacing: -0.02em;
  line-height: 1.02;
}
h1 em, h2 em, h3 em {
  font-style: normal;
  color: var(--accent);
  text-shadow: 0 0 24px var(--accent-glow);
}
.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
}

/* ---------- container ---------- */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--rule);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 1rem;
}
.nav__brand {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.1em;
  display: inline-flex; align-items: center; gap: 0.55rem;
  color: var(--ink);
}
.nav__brand .bracket { color: var(--accent); font-weight: 400; }
.nav__brand .dot,
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow), 0 0 2px var(--accent);
  animation: led-pulse 2.4s ease-in-out infinite;
}
.nav__links {
  display: flex; align-items: center;
  gap: 1.6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav__links a:not(.btn) { color: var(--ink-mute); transition: color .2s; }
.nav__links a:not(.btn):hover { color: var(--ink); }
.nav__links .login { color: var(--ink); }
@media (max-width: 640px) {
  .nav__links a:not(.btn) { display: none; }
}

@keyframes led-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.45; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 9999px;
  transition: transform 160ms ease, box-shadow 160ms ease,
              background 160ms ease, border-color 160ms ease, color 160ms ease;
  white-space: nowrap;
}
.btn--sm { padding: 0.55rem 1.1rem; font-size: 0.72rem; }
.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow:
    inset 0 1px 0 oklch(100% 0 0 / 0.25),
    0 0 24px -6px var(--accent-glow);
}
.btn--primary:hover {
  background: oklch(90% 0.22 126);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 oklch(100% 0 0 / 0.25),
    0 0 36px -4px var(--accent-glow);
}
.btn--primary .arrow { transition: transform 160ms ease; }
.btn--primary:hover .arrow { transform: translateX(3px); }
.btn--ghost {
  border: 1px solid var(--rule-mid);
  color: var(--ink);
  background: color-mix(in oklab, var(--bg-card) 50%, transparent);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 18px -8px var(--accent-glow);
}

/* ---------- hero ---------- */
.hero { padding-top: clamp(3.5rem, 9vh, 7rem); padding-bottom: 5rem; }
.hero__top {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.9rem;
  margin-bottom: clamp(2rem, 6vh, 4rem);
}
.hero__title {
  font-size: clamp(3rem, 9.5vw, 7.2rem);
  font-weight: 750;
  max-width: 12ch;
}
.hero__title .line2 { color: var(--ink-mute); }
.hero__subtitle {
  margin-top: 1.8rem;
  max-width: 52ch;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.6;
  color: var(--ink-mute);
  font-weight: 350;
}
.hero__cta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 1rem;
  margin-top: 2.4rem;
}
.hero__fineprint {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

/* ---------- media frame (demo / screenshots) ---------- */
.media-frame {
  margin-top: clamp(3rem, 7vh, 5rem);
  border-radius: 18px;
  border: 1px solid var(--rule);
  background: color-mix(in oklab, var(--bg-card) 88%, transparent);
  backdrop-filter: blur(10px);
  box-shadow:
    inset 0 1px 0 oklch(100% 0 0 / 0.05),
    0 24px 64px -24px rgb(0 0 0 / 0.7);
  overflow: hidden;
}
.media-frame__head {
  display: flex; align-items: center; gap: 1.2rem;
  padding: 0.8rem 1.2rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.media-frame__head span:last-child { margin-left: auto; }
.media-frame__dots { display: flex; gap: 6px; }
.media-frame__dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--rule-mid);
}
.media-frame__dots span:first-child {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
}
.media-frame__body { aspect-ratio: 16 / 9; position: relative; }
.media-frame__body img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top left;
}
.media-frame__placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.2rem;
  background:
    radial-gradient(80% 90% at 50% 0%, oklch(22% 0.035 258 / 0.6), transparent 70%),
    repeating-linear-gradient(135deg,
      transparent 0 22px,
      oklch(100% 0 0 / 0.015) 22px 23px);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.play {
  width: 72px; height: 72px; border-radius: 50%;
  border: 1px solid var(--rule-mid);
  background: color-mix(in oklab, var(--bg-card-hi) 70%, transparent);
  position: relative;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.play::after {
  content: '';
  position: absolute; left: 55%; top: 50%;
  transform: translate(-50%, -50%);
  border-left: 18px solid var(--accent);
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
  filter: drop-shadow(0 0 6px var(--accent-glow));
}
.media-frame__placeholder:hover .play {
  border-color: var(--accent);
  box-shadow: 0 0 32px -8px var(--accent-glow);
}

/* ---------- section scaffolding ---------- */
.section { padding: clamp(4rem, 10vh, 7.5rem) 0; border-top: 1px solid var(--rule); }
.section__head { margin-bottom: clamp(2.4rem, 6vh, 4rem); }
.section__num {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.section__num::before {
  content: '';
  display: inline-block;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
  margin-right: 0.7em;
  vertical-align: 1px;
}
.section__title {
  font-size: clamp(1.9rem, 4.4vw, 3.4rem);
  max-width: 22ch;
}

/* ---------- pain section ---------- */
.pain__list {
  font-size: clamp(1.15rem, 2.2vw, 1.7rem);
  line-height: 1.75;
  font-weight: 300;
  color: var(--ink-faint);
  max-width: 36ch;
}
.pain__list strong {
  font-weight: 600;
  color: var(--ink);
}
.pain__kicker {
  margin-top: 2.2rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  max-width: 52ch;
}
.pain__kicker::before { content: '→ '; }

/* ---------- how it works ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 18px;
  overflow: hidden;
}
.step {
  background: color-mix(in oklab, var(--bg-card) 88%, transparent);
  padding: 2rem 1.8rem 2.2rem;
  position: relative;
  transition: background 200ms ease;
}
.step:hover { background: color-mix(in oklab, var(--bg-card-hi) 80%, transparent); }
.step__num {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.6rem;
}
.step__icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  border: 1px solid var(--rule-mid);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  box-shadow: inset 0 1px 3px rgb(0 0 0 / 0.35);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.3rem;
}
.step__icon svg {
  width: 22px; height: 22px;
  stroke: var(--accent);
  stroke-width: 1.6;
  fill: none;
  filter: drop-shadow(0 0 5px var(--accent-glow));
}
.step__title { font-size: 1.25rem; margin-bottom: 0.55rem; }
.step__body { color: var(--ink-mute); font-size: 0.95rem; font-weight: 350; }

/* ---------- features ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.feature {
  border: 1px solid var(--rule);
  border-radius: 18px;
  background: color-mix(in oklab, var(--bg-card) 88%, transparent);
  backdrop-filter: blur(10px);
  box-shadow:
    inset 0 1px 0 oklch(100% 0 0 / 0.05),
    0 8px 24px -12px rgb(0 0 0 / 0.6);
  padding: 1.6rem 1.6rem 1.8rem;
  display: flex; flex-direction: column;
  transition: border-color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
}
.feature:hover {
  border-color: var(--rule-strong);
  transform: translateY(-3px);
  box-shadow:
    inset 0 1px 0 oklch(100% 0 0 / 0.05),
    0 18px 44px -16px rgb(0 0 0 / 0.7);
}
.feature__head {
  display: flex; justify-content: space-between;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.8rem;
  margin-bottom: 1.2rem;
}
.feature__model {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.feature__head .feature__model:first-child { color: var(--accent); }
.feature__title { font-size: 1.3rem; margin-bottom: 1rem; }
.feature ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 0.55rem;
  color: var(--ink-mute);
  font-size: 0.93rem;
  font-weight: 350;
  margin-bottom: 1.4rem;
}
.feature li { padding-left: 1.2em; position: relative; }
.feature li::before {
  content: '';
  position: absolute; left: 0; top: 0.55em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 5px var(--accent-glow);
}
.feature__quote {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
}

/* ---------- proof / testimonials ---------- */
.proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.testimonial {
  border: 1px solid var(--rule);
  border-radius: 18px;
  background: color-mix(in oklab, var(--bg-card) 88%, transparent);
  padding: 1.6rem;
  display: flex; flex-direction: column; gap: 1.4rem;
}
.testimonial--placeholder { opacity: 0.75; border-style: dashed; }
.testimonial__quote {
  font-size: 1.08rem;
  line-height: 1.5;
  font-weight: 350;
  color: var(--ink);
}
.testimonial__attr { display: flex; align-items: center; gap: 0.9rem; margin-top: auto; }
.testimonial__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--bg-card-hi);
  border: 1px solid var(--rule-mid);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  flex-shrink: 0;
}
.testimonial__name {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  line-height: 1.5;
}
.testimonial__name strong {
  display: block;
  color: var(--ink-mute);
  font-weight: 500;
}

/* ---------- pricing ---------- */
.pricing {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1.4rem;
  max-width: 920px;
}
.plan {
  border: 1px solid var(--rule);
  border-radius: 18px;
  background: color-mix(in oklab, var(--bg-card) 88%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.05);
  padding: 1.9rem 1.8rem;
  position: relative;
  display: flex; flex-direction: column;
}
.plan--featured {
  border-color: color-mix(in oklab, var(--accent) 60%, transparent);
  box-shadow:
    inset 0 1px 0 oklch(100% 0 0 / 0.05),
    0 0 48px -16px var(--accent-glow);
}
.plan__badge {
  position: absolute; top: -11px; right: 1.6rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 9999px;
  padding: 0.35em 1em;
  box-shadow: 0 0 16px -4px var(--accent-glow);
}
.plan__head { border-bottom: 1px solid var(--rule); padding-bottom: 1.3rem; margin-bottom: 1.3rem; }
.plan__name {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.7rem;
}
.plan--featured .plan__name { color: var(--accent); }
.plan__price {
  font-family: var(--display);
  font-variation-settings: 'wdth' 100, 'opsz' 48;
  font-size: 2.6rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}
.plan__price em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}
.plan__tagline { margin-top: 0.7rem; color: var(--ink-mute); font-size: 0.92rem; font-weight: 350; }
.plan__specs {
  list-style: none;
  display: flex; flex-direction: column;
  font-size: 0.9rem;
}
.plan__specs li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--rule);
}
.plan__specs li span:first-child { color: var(--ink-mute); font-weight: 350; }
.plan__specs li span:last-child {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  text-align: right;
}
.plan__cta { margin-top: 1.6rem; }
.plan__cta .btn { width: 100%; justify-content: center; }
.pricing__note {
  margin-top: 1.6rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}
.pricing__note strong { color: var(--accent); font-weight: 500; }

/* ---------- faq ---------- */
.faq { max-width: 760px; }
.faq__item {
  border-bottom: 1px solid var(--rule);
}
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 0;
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  font-size: 1.02rem;
  font-weight: 500;
  transition: color 160ms ease;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  font-family: var(--mono);
  color: var(--ink-faint);
  transition: transform 200ms ease, color 200ms ease;
}
.faq__item[open] summary::after { transform: rotate(45deg); color: var(--accent); }
.faq__item summary:hover { color: var(--accent); }
.faq__num {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-right: 1em;
}
.faq__item p {
  padding: 0 0 1.3rem;
  color: var(--ink-mute);
  font-weight: 350;
  max-width: 62ch;
}

/* ---------- final cta ---------- */
.final {
  padding: clamp(5rem, 14vh, 9rem) 0;
  border-top: 1px solid var(--rule);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.final::before {
  content: '';
  position: absolute; inset: 0;
  pointer-events: none;
  background: radial-gradient(60% 80% at 50% 110%,
    oklch(40% 0.09 140 / 0.14) 0%, transparent 70%);
}
.final__title {
  font-size: clamp(2.2rem, 6vw, 4.6rem);
  margin: 0 auto 2.2rem;
  max-width: 18ch;
}
.final__cta {
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}

/* ---------- footer ---------- */
.foot {
  border-top: 1px solid var(--rule);
  background: color-mix(in oklab, var(--bg-elev) 80%, transparent);
}
.foot__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.4rem;
  padding-top: 3.6rem;
  padding-bottom: 3rem;
}
.foot__brand p {
  margin-top: 1rem;
  color: var(--ink-faint);
  font-size: 0.88rem;
  font-weight: 350;
  max-width: 30ch;
}
.foot__col h4 {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}
.foot__col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.foot__col a {
  color: var(--ink-mute);
  font-size: 0.9rem;
  font-weight: 350;
  transition: color 160ms ease;
}
.foot__col a:hover { color: var(--accent); }
.foot__bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.4rem; padding-bottom: 1.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

/* VU meter — chartreuse EQ bars, same brand moment as the app */
.vu {
  display: inline-flex; align-items: flex-end; gap: 3px;
  height: 14px;
}
.vu span {
  width: 3px; border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 5px var(--accent-glow);
  animation: vu-bounce 1.1s ease-in-out infinite;
}
.vu span:nth-child(1) { height: 60%;  animation-delay: -0.9s; }
.vu span:nth-child(2) { height: 100%; animation-delay: -0.6s; }
.vu span:nth-child(3) { height: 40%;  animation-delay: -0.3s; }
.vu span:nth-child(4) { height: 80%;  animation-delay: -0.15s; }
.vu span:nth-child(5) { height: 55%;  animation-delay: 0s; }
@keyframes vu-bounce {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1); }
}

/* ---------- entrance animation ---------- */
.reveal {
  opacity: 0;
  animation: rise-in 500ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.reveal-1 { animation-delay: 60ms; }
.reveal-2 { animation-delay: 140ms; }
.reveal-3 { animation-delay: 220ms; }
.reveal-4 { animation-delay: 300ms; }
.reveal-5 { animation-delay: 380ms; }
@keyframes rise-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .vu span, .dot, .nav__brand .dot { animation: none; opacity: 1; }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .steps, .features, .proof { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; }
  .foot__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .hero__top { flex-direction: column; gap: 0.4rem; align-items: flex-start; }
  .foot__bottom { flex-direction: column; gap: 0.8rem; text-align: center; }
}