/* =========================================================================
   Field Compass — marketing site
   Hand-written CSS, no build step. Palette mirrors the app (frontend/):
   slate-900/indigo-950 gradients, indigo-500 accents, glassy surfaces.
   ========================================================================= */

/* Light is the default; the dark palette below takes over when the visitor's
   OS asks for it, the same way the app's own `darkMode: 'media'` works.
   The dashboard mock, the code sample and the CTA band opt back into dark
   tokens in both themes (see "inverted panels") -- a dark screenshot on a
   light page keeps the product's identity without darkening the whole site. */
:root {
  color-scheme: light dark;

  --bg:            #fbfcfe;
  --bg-elevated:   #ffffff;
  --surface:       rgba(15, 23, 42, 0.028);
  --surface-hover: rgba(15, 23, 42, 0.055);
  --border:        rgba(15, 23, 42, 0.10);
  --border-strong: rgba(15, 23, 42, 0.20);

  --text:          #0d1526;
  --text-muted:    #4a5a72;
  --text-dim:      #6b7a92;

  --accent:        #4f46e5;
  --accent-bright: #4338ca;
  --accent-soft:   rgba(79, 70, 229, 0.10);
  --accent-line:   rgba(79, 70, 229, 0.22);

  --ok:            #047857;
  --warn:          #b45309;
  --bad:           #be123c;

  --nav-bg:          rgba(251, 252, 254, 0.78);
  --nav-bg-scrolled: rgba(251, 252, 254, 0.93);
  --logo-sheet:        #ffffff;
  --logo-sheet-border: rgba(15, 23, 42, 0.10);
  --shadow-card:     0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-mock:     0 30px 64px -30px rgba(15, 23, 42, 0.45);

  /* headline gradient -- needs real contrast on a light background */
  --grad-a: #4f46e5;
  --grad-b: #0e7490;

  --glow-1: rgba(99, 102, 241, 0.10);
  --glow-2: rgba(56, 189, 248, 0.07);
  --glow-3: rgba(99, 102, 241, 0.07);

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;

  --container: 1120px;
  --container-wide: 1400px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:            #070b16;
    --bg-elevated:   #0d1426;
    --surface:       rgba(148, 163, 184, 0.06);
    --surface-hover: rgba(148, 163, 184, 0.10);
    --border:        rgba(148, 163, 184, 0.14);
    --border-strong: rgba(148, 163, 184, 0.24);

    --text:          #e8edf7;
    --text-muted:    #93a1b8;
    --text-dim:      #6b7a94;

    --accent:        #6366f1;
    --accent-bright: #818cf8;
    --accent-soft:   rgba(99, 102, 241, 0.14);
    --accent-line:   rgba(129, 140, 248, 0.30);

    --ok:            #34d399;
    --warn:          #fbbf24;
    --bad:           #fb7185;

    --nav-bg:          rgba(7, 11, 22, 0.72);
    --nav-bg-scrolled: rgba(7, 11, 22, 0.88);
    /* Softened rather than pure white: a full-brightness band is harsh here. */
    --logo-sheet:        #eef1f7;
    --logo-sheet-border: rgba(148, 163, 184, 0.28);
    --shadow-card:     none;
    --shadow-mock:     0 40px 80px -32px rgba(0, 0, 0, 0.85);

    --grad-a: #818cf8;
    --grad-b: #67e8f9;

    --glow-1: rgba(99, 102, 241, 0.22);
    --glow-2: rgba(56, 189, 248, 0.10);
    --glow-3: rgba(99, 102, 241, 0.12);
  }
}

/* Inverted panels: always dark, in either theme. Every descendant reads these
   tokens, so nothing inside needs a second set of rules. */
.mock, .demo, .cta {
  /* Set `color` here, not just the token: anything inside that doesn't name a
     colour (.stat__value, the CTA heading) would otherwise inherit the page's
     dark-on-light body colour and vanish against the panel. */
  color: var(--text);

  --surface:       rgba(148, 163, 184, 0.08);
  --surface-hover: rgba(148, 163, 184, 0.12);
  --border:        rgba(148, 163, 184, 0.16);
  --border-strong: rgba(148, 163, 184, 0.26);
  --text:          #e8edf7;
  --text-muted:    #93a1b8;
  --text-dim:      #7d8ca6;
  --accent-bright: #a5b4fc;
  --ok:            #34d399;
  --warn:          #fbbf24;
  --bad:           #fb7185;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient light behind the whole page — the app's login screen uses the same
   slate → indigo → slate wash. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 520px at 12% -8%,  var(--glow-1), transparent 70%),
    radial-gradient(760px 480px at 92% 4%,   var(--glow-2), transparent 70%),
    radial-gradient(900px 700px at 50% 108%, var(--glow-3), transparent 70%);
}

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

a { color: var(--accent-bright); text-decoration: none; }
a:hover { color: #a5b4fc; }

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

h1, h2, h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.022em;
  font-weight: 650;
}

p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------------------------------------------------------------- nav ---- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--nav-bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav[data-scrolled="true"] {
  border-bottom-color: var(--border);
  background: var(--nav-bg-scrolled);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-weight: 600;
  font-size: 16.5px;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand:hover { color: var(--text); }

.brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-bright);
  flex: none;
}
.brand__mark svg { width: 19px; height: 19px; display: block; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-right: auto;
  font-size: 14.5px;
}
.nav__links a {
  color: var(--text-muted);
  font-weight: 500;
}
.nav__links a:hover { color: var(--text); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 550;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease,
              border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px -10px rgba(99, 102, 241, 0.9);
}
.btn--primary:hover {
  background: #5457e6;
  color: #fff;
  box-shadow: 0 12px 30px -10px rgba(99, 102, 241, 1);
}

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

.btn--quiet {
  padding: 11px 4px;
  color: var(--text-muted);
  background: none;
}
.btn--quiet:hover { color: var(--text); }

.btn--lg { padding: 14px 26px; font-size: 15.5px; border-radius: 11px; }

/* -------------------------------------------------------------- layout --- */

section { position: relative; }

.section {
  padding-block: 104px;
}

.section__head {
  max-width: 660px;
  margin-bottom: 52px;
}
.section__head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.section__head--center .eyebrow::before { display: none; }

h2 { font-size: clamp(28px, 3.6vw, 40px); }

.section__head p {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 17px;
}

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

/* ---------------------------------------------------------------- hero --- */

.hero { padding-top: 84px; padding-bottom: 96px; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: 64px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(38px, 5.4vw, 58px);
  letter-spacing: -0.032em;
  font-weight: 680;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--grad-a), var(--grad-b));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  margin-top: 22px;
  font-size: 18px;
  color: var(--text-muted);
  max-width: 520px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
}

.hero__note {
  margin-top: 20px;
  font-size: 13.5px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero__note svg { width: 15px; height: 15px; color: var(--ok); flex: none; }

/* ------------------------------------------------------- dashboard mock --- */

.mock {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(165deg, #18202f, #0b101d);
  box-shadow: var(--shadow-mock), 0 0 0 1px rgba(99, 102, 241, 0.06);
  overflow: hidden;
}
.mock::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(129, 140, 248, 0.10), transparent 42%);
}

.mock__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 11, 22, 0.5);
}
.mock__dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.28);
}
.mock__title {
  margin-left: 8px;
  font-size: 12.5px;
  color: var(--text-dim);
  font-weight: 500;
}

.mock__body {
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
.mock__body > * { min-width: 0; }

.mock__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
}
.stat {
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
}
.stat__label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  font-weight: 600;
}
.stat__value {
  font-size: 24px;
  font-weight: 640;
  letter-spacing: -0.02em;
  margin-top: 5px;
  font-variant-numeric: tabular-nums;
}
.stat__value--ok   { color: var(--ok); }
.stat__value--warn { color: var(--warn); }

.panel {
  padding: 16px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}
.panel__head h4 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.panel__head span { font-size: 11.5px; color: var(--text-dim); }

/* bars: pure CSS chart, animated in on load */
.chart {
  display: flex;
  align-items: flex-end;
  gap: 9px;
  height: 96px;
}
.chart__col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 3px;
  height: 100%;
}
.chart__bar {
  border-radius: 4px 4px 2px 2px;
  transform-origin: bottom;
  animation: grow 0.75s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
.chart__bar--base  { background: linear-gradient(180deg, #4f46e5, #3730a3); }
.chart__bar--flag  { background: var(--bad); opacity: 0.85; border-radius: 3px; }
.chart__labels {
  display: flex;
  gap: 9px;
  margin-top: 9px;
}
.chart__labels span {
  flex: 1;
  min-width: 0;
  text-align: center;
  font-size: 10px;
  color: var(--text-dim);
}

@keyframes grow { from { transform: scaleY(0); opacity: 0; } }

.rows { display: grid; gap: 9px; }
.row {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 12.5px;
}
.row__id {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-dim);
  width: 72px;
  flex: none;
}
.row__text { color: var(--text-muted); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.tag {
  flex: none;
  font-size: 10.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.tag--bad  { background: rgba(251, 113, 133, 0.14); color: var(--bad);  border: 1px solid rgba(251, 113, 133, 0.28); }
.tag--warn { background: rgba(251, 191, 36, 0.13);  color: var(--warn); border: 1px solid rgba(251, 191, 36, 0.26); }
.tag--ok   { background: rgba(52, 211, 153, 0.12);  color: var(--ok);   border: 1px solid rgba(52, 211, 153, 0.26); }

/* --------------------------------------------------------- strip / why --- */

.strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border-block: 1px solid var(--border);
}
.strip__item {
  background: var(--bg);
  padding: 30px 28px;
}
.strip__item h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 7px;
}
.strip__item p { font-size: 14.5px; color: var(--text-muted); }

/* ------------------------------------------------------------ audience --- */

.audience {
  padding-block: 72px 36px;
  text-align: center;
}
/* The strip is a trust bar, not a section in its own right. */
.audience + .section { padding-top: 60px; }
.audience__lead {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 34px;
  max-width: 620px;
  margin-inline: auto;
}
.audience__note {
  font-size: 13.5px;
  color: var(--text-dim);
  margin-top: 22px;
}

/* Light in both themes -- see the note in index.html. */
.logosheet {
  background: var(--logo-sheet);
  border: 1px solid var(--logo-sheet-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* The mask lives here and not on .logosheet, or it would fade the sheet's own
   border out at both ends. */
.marquee {
  --gap: 76px;
  /* One knob scales the whole strip; the per-logo --h values stay relative. */
  --logo-scale: 1;
  position: relative;
  overflow: hidden;
  padding-block: 38px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 68s linear infinite;
}

/* Two identical groups; translating the track by exactly half its width lands
   the copy where the original started, so the loop has no seam. */
@keyframes marquee {
  to { transform: translateX(-50%); }
}

.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track {
  animation-play-state: paused;
}

.marquee__group {
  display: flex;
  align-items: center;
  flex: none;
  gap: var(--gap);
  /* half a gap each side, so the join between the groups matches the interior */
  padding-inline: calc(var(--gap) / 2);
  margin: 0;
  list-style: none;
}

.marquee__group li {
  display: grid;
  place-items: center;
  flex: none;
  height: 84px;
}

.marquee__group img {
  height: calc(var(--h, 48px) * var(--logo-scale));
  width: auto;
  max-width: 240px;
  display: block;
}

/* ------------------------------------------------------------ features --- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.card {
  padding: 26px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-2px);
}
.card__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-bright);
  margin-bottom: 18px;
}
.card__icon svg { width: 20px; height: 20px; }
.card h3 { font-size: 16.5px; font-weight: 600; margin-bottom: 9px; }
.card p { color: var(--text-muted); font-size: 14.5px; }

/* ------------------------------------------------------------- how it ---- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 28px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), transparent);
}
.step__num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-size: 13.5px;
  font-weight: 650;
  margin-bottom: 17px;
  box-shadow: 0 6px 18px -8px rgba(99, 102, 241, 1);
}
.step h3 { font-size: 16.5px; font-weight: 600; margin-bottom: 9px; }
.step p { color: var(--text-muted); font-size: 14.5px; }
/* connector line between steps on wide screens */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 43px;
  right: -20px;
  width: 20px;
  height: 1px;
  background: var(--border-strong);
}

/* ----------------------------------------------------------------- ai ---- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.list { display: grid; gap: 15px; margin-top: 28px; }
.list__item { display: flex; gap: 12px; align-items: flex-start; }
.list__item svg {
  width: 19px; height: 19px;
  color: var(--accent-bright);
  flex: none;
  margin-top: 2px;
}
.list__item p { font-size: 15px; color: var(--text-muted); }
.list__item strong { color: var(--text); font-weight: 600; }

.demo {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #0b101d;
  overflow: hidden;
}
.demo__label {
  padding: 11px 16px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.demo__prompt {
  padding: 18px 16px;
  font-size: 15px;
  color: var(--text);
  display: flex;
  gap: 11px;
  align-items: flex-start;
}
.demo__prompt::before {
  content: "";
  width: 2px;
  align-self: stretch;
  background: var(--accent);
  border-radius: 2px;
  flex: none;
}
.demo__arrow {
  display: grid;
  place-items: center;
  color: var(--text-dim);
  padding-bottom: 4px;
}
.demo__arrow svg { width: 18px; height: 18px; }
.demo pre {
  margin: 0;
  padding: 18px 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--text-muted);
  overflow-x: auto;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.22);
}
.tok-key { color: #7dd3fc; }
.tok-str { color: #86efac; }
.tok-num { color: #fcd34d; }

/* ------------------------------------------------------- quality loop --- */

.section--band {
  background: var(--surface);
  border-block: 1px solid var(--border);
}

.flow {
  --rail-w: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--rail-w);
}

/* Each stage runs the same 7s cycle, offset by --i, so the highlight walks
   the pipeline. Every keyframe track STARTS and ENDS on the resting state:
   the reduced-motion rule at the bottom of this file collapses animations to
   their end state, and the diagram has to stay readable when it does. */
.flow__stage {
  position: relative;
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-card);
  /* `backwards` matters: without it every stage would sit fully drawn during
     its delay and then pop to hidden when the animation finally starts. */
  animation: flowStage 7s calc(var(--i) * 1.4s) infinite backwards;
}

.flow__stage h3 {
  font-size: 15.5px;
  font-weight: 600;
  margin-bottom: 8px;
}
.flow__stage p {
  font-size: 14px;
  color: var(--text-muted);
}

.flow__icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  color: var(--text-dim);
  margin-bottom: 16px;
  animation: flowIcon 7s calc(var(--i) * 1.4s) infinite backwards;
}
.flow__icon svg { width: 19px; height: 19px; }

/* The connector, drawn into the grid gap to the right of each stage. */
.flow__rail {
  position: absolute;
  top: 42px;
  right: calc(-1 * var(--rail-w));
  width: var(--rail-w);
  height: 2px;
  background: var(--border-strong);
}
.flow__dot {
  position: absolute;
  top: 50%;
  left: 0;
  width: 7px;
  height: 7px;
  margin: -3.5px 0 0 -3.5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  opacity: 0;
  animation: flowDot 7s calc(var(--i) * 1.4s) infinite backwards;
}

@keyframes flowStage {
  /* arrives */
  0%   { opacity: 0; transform: translateY(16px) scale(0.965);
         border-color: var(--border); box-shadow: var(--shadow-card); }
  7%   { opacity: 1; transform: translateY(0) scale(1); }
  /* lights up as the record reaches it */
  10%  { transform: translateY(-4px) scale(1);
         border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
  20%  { transform: translateY(-4px) scale(1);
         border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
  /* settles, and holds while the rest of the pipeline catches up */
  27%  { transform: translateY(0) scale(1);
         border-color: var(--border); box-shadow: var(--shadow-card); }
  90%  { opacity: 1; transform: translateY(0) scale(1); }
  /* clears out so the next record can arrive */
  100% { opacity: 0; transform: translateY(-12px) scale(0.985); }
}

@keyframes flowIcon {
  0%,  7%   { background: var(--surface-hover); border-color: var(--border);      color: var(--text-dim); transform: scale(1); }
  10%, 20%  { background: var(--accent-soft);   border-color: var(--accent-line); color: var(--accent);   transform: scale(1.1); }
  27%, 100% { background: var(--surface-hover); border-color: var(--border);      color: var(--text-dim); transform: scale(1); }
}

/* Travels the gap between one stage lighting up and the next. */
@keyframes flowDot {
  0%,  19%  { transform: translateX(0);            opacity: 0; }
  21%       { transform: translateX(0);            opacity: 1; }
  30%       { transform: translateX(var(--rail-w)); opacity: 1; }
  32%, 100% { transform: translateX(var(--rail-w)); opacity: 0; }
}

.flow__caption {
  margin-top: 26px;
  text-align: center;
  font-size: 14px;
  color: var(--text-dim);
}

/* ----------------------------------------------------------------- cta --- */

.cta {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(129, 140, 248, 0.28);
  background:
    radial-gradient(680px 320px at 50% -18%, rgba(99, 102, 241, 0.45), transparent 68%),
    linear-gradient(180deg, #1f2a3f, #0d1323);
  box-shadow: 0 30px 70px -40px rgba(99, 102, 241, 0.7);
  padding: 62px 32px;
  text-align: center;
  overflow: hidden;
}
.cta h2 { font-size: clamp(26px, 3.4vw, 36px); }
.cta p {
  margin: 16px auto 0;
  max-width: 480px;
  color: var(--text-muted);
  font-size: 16.5px;
}
.cta__actions {
  display: flex;
  gap: 13px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}

/* -------------------------------------------------------------- footer --- */

.footer {
  border-top: 1px solid var(--border);
  padding-block: 44px;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer__links {
  display: flex;
  gap: 26px;
  font-size: 14px;
  flex-wrap: wrap;
}
.footer__links a { color: var(--text-muted); }
.footer__links a:hover { color: var(--text); }
.footer__note { font-size: 13.5px; color: var(--text-dim); }

/* ------------------------------------------------------------ responsive - */

@media (max-width: 980px) {
  .hero__grid, .split { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .hero__sub { max-width: none; }
  .grid-3, .steps, .strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  /* Two-up wraps the pipeline, so the connectors would point at nothing. */
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .flow__rail { display: none; }

  .step:not(:last-child)::after { display: none; }
  .nav__links { display: none; }
}

@media (max-width: 640px) {
  .section { padding-block: 76px; }
  .hero { padding-top: 56px; padding-bottom: 68px; }
  .grid-3, .steps, .strip, .mock__stats, .flow { grid-template-columns: minmax(0, 1fr); }
  .audience { padding-block: 56px 28px; }
  .audience + .section { padding-top: 48px; }
  .audience__lead { font-size: 15.5px; }
  /* Scale the strip rather than the individual logos, so the optical balance
     tuned on desktop survives. */
  .marquee { --gap: 42px; --logo-scale: 0.7; padding-block: 24px; }
  .marquee__group li { height: 60px; }
  .marquee__group img { max-width: 165px; }
  .mock__stats { gap: 9px; }
  .container { padding-inline: 20px; }
  .cta { padding: 46px 22px; }
  .nav__inner { gap: 14px; }
  .nav__actions { gap: 8px; }
  .btn--quiet { padding-inline: 2px; }
  .btn { padding-inline: 15px; }
  .hero__cta .btn, .cta__actions .btn { flex: 1 1 100%; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  /* The blanket rule below collapses animations to their END state. For the
     pipeline that frame is "cleared out" -- an empty section. Stop those
     animations outright instead and let the base styles show: the resting,
     fully drawn diagram. Specificity beats the `*` rule regardless of order. */
  .flow__stage,
  .flow__icon {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  /* The travelling dot has no meaning standing still; its base state is hidden. */
  .flow__dot { animation: none !important; }

  /* Same trap: collapsing the marquee to its end frame parks it half a track
     to the left. Stop it and hand the row over to manual scrolling instead. */
  .marquee { overflow-x: auto; }
  .marquee__track { animation: none !important; }
  .marquee__group[aria-hidden="true"] { display: none; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}