/* ============================================================
   BISDATA — design system
   Dark graphite canvas. Data terminal with a bite.
   RTL-first. CSS logical properties throughout.
   ============================================================ */

/* ── Tokens ── */
:root {
  --bg: #15171E;
  --surface: #1B1E27;
  --surface-2: #222634;
  --line: #2C313F;
  --ink: #F3F1EC;
  --muted: #A7ABB6;        /* contrast ~5.1:1 on --bg — passes AA */
  --bite: #E5552E;
  --bite-600: #C8431F;
  --bite-ink: #ffffff;
  --data: #46C9A0;
  --data-ink: #06281F;
  --amber: #F5B400;

  --font-display: 'Suez One', serif;
  --font-body: 'Rubik', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 6px;
  --radius-lg: 12px;
  --max-w: 1140px;
  --nav-h: 64px;

  /* spacing scale */
  --s1: 0.25rem;
  --s2: 0.5rem;
  --s3: 0.75rem;
  --s4: 1rem;
  --s5: 1.5rem;
  --s6: 2rem;
  --s8: 3rem;
  --s10: 4rem;
  --s12: 5rem;

  /* transitions */
  --t-fast: 150ms ease;
  --t-med: 280ms ease;
}

/* ── 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(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-inline-size: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
ul { list-style: none; }

/* ── Data-grid texture ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.25;
}

/* ── Layout helpers ── */
.container {
  max-inline-size: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--s5);
  position: relative;
  z-index: 1;
}

/* ── Focus ring ── */
:focus-visible {
  outline: 2px solid var(--data);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── Skip link ── */
.skip-link {
  position: absolute;
  inset-block-start: -100%;
  inset-inline-start: var(--s4);
  padding: var(--s2) var(--s4);
  background: var(--data);
  color: var(--data-ink);
  font-weight: 700;
  border-radius: var(--radius);
  z-index: 200;
}
.skip-link:focus { inset-block-start: var(--s2); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  block-size: var(--nav-h);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-block-end: 1px solid var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  block-size: 100%;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--s3);
  text-decoration: none;
}
.nav__logo-svg { inline-size: 36px; block-size: 36px; flex-shrink: 0; }
.nav__wordmark {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  line-height: 1;
}
.nav__wordmark .bis { color: var(--bite); }
.nav__wordmark .data { color: var(--ink); }
.nav__wordmark-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--data);
  letter-spacing: 0.04em;
  display: block;
  margin-block-start: 2px;
}
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  background: var(--bite);
  color: var(--bite-ink);
  font-weight: 600;
  font-size: 0.875rem;
  padding: var(--s2) var(--s4);
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--t-fast), transform var(--t-fast);
}
.nav__cta:hover { background: var(--bite-600); transform: translateY(-1px); }
.nav__cta:active { transform: translateY(0); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--s12) var(--s10);
  min-block-size: calc(100svh - var(--nav-h));
  display: flex;
  align-items: center;
}

/* Dark treated restaurant bg image */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('https://images.unsplash.com/photo-1414235077428-338989a2e8c0?auto=format&fit=crop&w=1600&q=80');
  background-size: cover;
  background-position: center 40%;
  filter: brightness(0.18) saturate(0.6);
}
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to block-end, var(--bg) 0%, transparent 30%),
    linear-gradient(to block-start, var(--bg) 0%, transparent 40%),
    linear-gradient(135deg, color-mix(in srgb, var(--bg) 60%, transparent), transparent 70%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s8);
  align-items: center;
}

@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr 420px;
  }
}

/* Logo lockup */
.hero__lockup {
  display: flex;
  align-items: center;
  gap: var(--s4);
  margin-block-end: var(--s5);
}
.hero__logo-svg { inline-size: 64px; block-size: 64px; }
.hero__wordmark-block {}
.hero__wordmark-main {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.8rem;
  letter-spacing: -0.03em;
  line-height: 1;
}
.hero__wordmark-main .bis { color: var(--bite); }
.hero__wordmark-main .data { color: var(--ink); }
.hero__wordmark-domain {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--data);
  letter-spacing: 0.05em;
  margin-block-start: 4px;
}

/* Wince stat — the 41% */
.hero__stat {
  margin-block-end: var(--s5);
}
.hero__stat-number {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 14vw, 9rem);
  font-weight: 700;
  color: var(--bite);
  line-height: 0.9;
  letter-spacing: -0.03em;
  display: block;
}
.hero__stat-label {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 400;
  color: var(--ink);
  margin-block-start: var(--s3);
  max-inline-size: 480px;
  line-height: 1.45;
}
.hero__stat-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  margin-block-start: var(--s3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Headline */
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.5vw, 2.8rem);
  line-height: 1.25;
  color: var(--ink);
  margin-block-end: var(--s4);
}
.hero__headline em {
  font-style: normal;
  color: var(--data);
}

.hero__sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-inline-size: 520px;
  margin-block-end: var(--s6);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  align-items: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7em 1.4em;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
  text-decoration: none;
}
.btn--primary {
  background: var(--bite);
  color: var(--bite-ink);
  border-color: var(--bite);
}
.btn--primary:hover { background: var(--bite-600); border-color: var(--bite-600); transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--muted); background: var(--surface); transform: translateY(-1px); }
.btn--lg { font-size: 1.05rem; padding: 0.8em 1.8em; }

/* Live dot */
.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--data);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.live-dot {
  inline-size: 8px;
  block-size: 8px;
  border-radius: 50%;
  background: var(--data);
  flex-shrink: 0;
}

/* Hero data panel (right side) */
.hero__data-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px color-mix(in srgb, var(--bg) 60%, black);
}
.data-panel__header {
  padding: var(--s3) var(--s4);
  background: var(--surface-2);
  border-block-end: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
}
.data-panel__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.data-panel__badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--data-ink);
  background: var(--data);
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: 0.06em;
}

/* ============================================================
   WHAT WE TRACK — Varied layout, not identical cards
   ============================================================ */
.track {
  padding-block: var(--s12);
  border-block-start: 1px solid var(--line);
}
.track__intro {
  margin-block-end: var(--s8);
  max-inline-size: 600px;
}
.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--data);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-block-end: var(--s3);
  display: flex;
  align-items: center;
  gap: var(--s2);
}
.section-kicker::before {
  content: '';
  display: block;
  inline-size: 24px;
  block-size: 2px;
  background: var(--data);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  line-height: 1.25;
  color: var(--ink);
  margin-block-end: var(--s4);
}
.section-sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
}

/* Varied 4-item layout */
.track__grid {
  display: grid;
  gap: var(--s5);
  grid-template-columns: 1fr;
  grid-template-areas:
    "a"
    "b"
    "c"
    "d";
}

@media (min-width: 640px) {
  .track__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "a b"
      "c d";
  }
}

@media (min-width: 900px) {
  .track__grid {
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-areas:
      "a b c"
      "a d d";
    align-items: start;
  }
}

.track__item { position: relative; }
.track__item:nth-child(1) { grid-area: a; }
.track__item:nth-child(2) { grid-area: b; }
.track__item:nth-child(3) { grid-area: c; }
.track__item:nth-child(4) { grid-area: d; }

/* Item: tall/primary */
.track__item--primary {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s6);
  min-block-size: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
/* Item: accent bar */
.track__item--accent {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s5);
  border-inline-start: 3px solid var(--bite);
}
/* Item: minimal */
.track__item--minimal {
  padding: var(--s4) 0;
  border-block-start: 1px solid var(--line);
}
/* Item: wide data */
.track__item--wide {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s5);
  display: flex;
  align-items: center;
  gap: var(--s5);
}

.track__icon {
  font-size: 2rem;
  margin-block-end: var(--s4);
  line-height: 1;
}
.track__icon--data {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--data);
  margin-block-end: var(--s3);
  letter-spacing: -0.04em;
}
.track__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink);
  margin-block-end: var(--s2);
}
.track__desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}
.track__stat {
  margin-block-start: var(--s4);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--data);
  letter-spacing: 0.08em;
  border-block-start: 1px solid var(--line);
  padding-block-start: var(--s3);
}
.track__wide-stat {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--bite);
  letter-spacing: -0.04em;
  flex-shrink: 0;
  white-space: nowrap;
}
[dir="rtl"] .track__wide-stat { direction: ltr; display: inline-block; }

/* ============================================================
   SAMPLE INDEX — מדד ההתעלמות
   ============================================================ */
.index-section {
  padding-block: var(--s12);
  border-block-start: 1px solid var(--line);
}
.index-section .section-kicker::before { background: var(--bite); }
.index-section .section-kicker { color: var(--bite); }

.index-table-wrap {
  margin-block-start: var(--s6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.index-table {
  inline-size: 100%;
  border-collapse: collapse;
}
.index-table th {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: start;
  padding: var(--s3) var(--s4);
  background: var(--surface-2);
  border-block-end: 1px solid var(--line);
  font-weight: 500;
}
.index-table td {
  padding: var(--s3) var(--s4);
  border-block-end: 1px solid color-mix(in srgb, var(--line) 50%, transparent);
  vertical-align: middle;
}
.index-table tbody tr:last-child td { border-block-end: none; }
.index-table tbody tr {
  transition: background var(--t-fast);
}
.index-table tbody tr:hover { background: var(--surface-2); }

.idx-rank {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
  min-inline-size: 28px;
  direction: ltr;
  display: inline-block;
}
.idx-venue { font-weight: 500; font-size: 0.95rem; }
.idx-venue-sub { font-size: 0.78rem; color: var(--muted); margin-block-start: 2px; }
.idx-score {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  direction: ltr;
  display: inline-block;
}
.idx-score--high { color: var(--bite); }
.idx-score--mid  { color: var(--amber); }
.idx-score--low  { color: var(--data); }
.idx-delta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  direction: ltr;
  display: inline-block;
}
.idx-delta--up   { color: var(--bite); }
.idx-delta--down { color: var(--data); }
.idx-bar-wrap {
  inline-size: 80px;
  block-size: 6px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.idx-bar {
  block-size: 100%;
  border-radius: 3px;
  background: var(--data);
  transition: inline-size var(--t-med);
}
.idx-bar--high { background: var(--bite); }
.idx-bar--mid  { background: var(--amber); }

.index-disclaimer {
  padding: var(--s3) var(--s4);
  background: var(--surface-2);
  border-block-start: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* Responsive: hide bar column on small screens */
@media (max-width: 600px) {
  .col-bar { display: none; }
  .idx-bar-wrap { display: none; }
}

/* ============================================================
   SIGNATURE — the wince stat full bleed
   ============================================================ */
.signature {
  padding-block: var(--s12);
  position: relative;
  overflow: hidden;
}
.signature__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('https://images.unsplash.com/photo-1517248135467-4c7edcad34c4?auto=format&fit=crop&w=1600&q=80');
  background-size: cover;
  background-position: center;
  filter: brightness(0.12) saturate(0.4);
}
.signature__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to inline-end, var(--bg) 0%, color-mix(in srgb, var(--bg) 60%, transparent) 50%, transparent 100%),
    linear-gradient(to block-start, var(--bg) 0%, transparent 30%),
    linear-gradient(to block-end, var(--bg) 0%, transparent 30%);
}
.signature__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--s8);
  align-items: center;
}
@media (min-width: 900px) {
  .signature__inner {
    grid-template-columns: 1fr 1fr;
  }
}
.signature__stat-wrap {}
.signature__big {
  font-family: var(--font-mono);
  font-size: clamp(5rem, 16vw, 11rem);
  font-weight: 700;
  color: var(--bite);
  line-height: 0.85;
  letter-spacing: -0.05em;
  direction: ltr;
  display: block;
}
.signature__label {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--ink);
  margin-block-start: var(--s4);
  line-height: 1.35;
}
.signature__explain {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s6);
  border-inline-start: 3px solid var(--bite);
}
.signature__explain h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
  margin-block-end: var(--s4);
}
.signature__explain p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.7;
  margin-block-end: var(--s4);
}
.signature__explain p:last-child { margin-block-end: 0; }
.signature__explain strong { color: var(--ink); }

/* ============================================================
   SIGNUP SECTION
   ============================================================ */
.signup {
  padding-block: var(--s12);
  border-block-start: 1px solid var(--line);
}
.signup__inner {
  display: grid;
  gap: var(--s10);
  align-items: center;
}
@media (min-width: 900px) {
  .signup__inner { grid-template-columns: 1fr 1fr; }
}
.signup__copy .section-kicker::before { background: var(--bite); }
.signup__copy .section-kicker { color: var(--bite); }
.signup__copy .section-sub {
  margin-block-end: var(--s5);
}
.signup__list {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}
.signup__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
  font-size: 0.9rem;
  color: var(--muted);
}
.signup__list-icon {
  flex-shrink: 0;
  inline-size: 20px;
  block-size: 20px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--data) 15%, transparent);
  color: var(--data);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  margin-block-start: 2px;
}

/* Form */
.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s6);
}
.form-card h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--ink);
  margin-block-end: var(--s5);
}

.field {
  margin-block-end: var(--s4);
}
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  margin-block-end: var(--s2);
}
.field label .required {
  color: var(--bite);
  margin-inline-start: 2px;
}
.field input,
.field select {
  inline-size: 100%;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 0.6em 0.85em;
  font-size: 0.95rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none;
}
.field input::placeholder { color: var(--muted); opacity: 0.7; }
.field input:focus,
.field select:focus {
  border-color: var(--data);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--data) 20%, transparent);
  outline: none;
}
.field--error input,
.field--error select {
  border-color: var(--bite);
}
.field__error-msg {
  margin-block-start: var(--s1);
  font-size: 0.8rem;
  color: var(--bite);
  display: none;
}
.field--error .field__error-msg { display: block; }

/* Select arrow (RTL-aware) */
.select-wrap {
  position: relative;
}
.select-wrap::after {
  content: '▾';
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 0.85em;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
  font-size: 0.75rem;
}

/* Consent */
.consent {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
  margin-block: var(--s4);
}
.consent input[type="checkbox"] {
  inline-size: 18px;
  block-size: 18px;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--surface-2);
  accent-color: var(--data);
  flex-shrink: 0;
  margin-block-start: 2px;
  cursor: pointer;
}
.consent label {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
  cursor: pointer;
}
.consent label a {
  color: var(--data);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-submit { inline-size: 100%; justify-content: center; }

/* Form states */
.form-status {
  margin-block-start: var(--s4);
  padding: var(--s3) var(--s4);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}
.form-status--success {
  background: color-mix(in srgb, var(--data) 15%, transparent);
  color: var(--data);
  border: 1px solid color-mix(in srgb, var(--data) 30%, transparent);
  display: block;
}
.form-status--error {
  background: color-mix(in srgb, var(--bite) 15%, transparent);
  color: var(--bite);
  border: 1px solid color-mix(in srgb, var(--bite) 30%, transparent);
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-block-start: 1px solid var(--line);
  padding-block: var(--s8);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--s5);
  align-items: flex-start;
}
@media (min-width: 640px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.footer__brand-line {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ink);
  margin-block-end: var(--s2);
}
.footer__domain {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--data);
  letter-spacing: 0.04em;
  direction: ltr;
  display: inline-block;
}
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s4);
  align-items: center;
}
.footer__nav a {
  font-size: 0.85rem;
  color: var(--muted);
  transition: color var(--t-fast);
}
.footer__nav a:hover { color: var(--ink); }
.footer__made {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ============================================================
   REVEAL ANIMATIONS (motion-safe only)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }
  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }

  /* Live pulse on the dot */
  @keyframes pulse-ring {
    0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--data) 60%, transparent); }
    70%  { box-shadow: 0 0 0 8px color-mix(in srgb, var(--data) 0%, transparent); }
    100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--data) 0%, transparent); }
  }
  .live-dot {
    animation: pulse-ring 2.4s ease-out infinite;
  }
}

/* ============================================================
   UTILITY
   ============================================================ */
.ltr { direction: ltr; display: inline-block; unicode-bidi: embed; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* ── Responsive tweaks ── */
@media (max-width: 639px) {
  .hero { padding-block: var(--s10) var(--s8); }
  .track__item--primary { min-block-size: 200px; }
}