/* =========================================================
   FactoryFlow — landing page
   Minimal base, one vivid accent. The gradient appears only on
   the primary CTA, the active state and the headline highlight.

   Contrast (WCAG AA, checked against every surface it sits on):
   - white on --grad stops ≥ 5.7:1
   - --accent text ≥ 5.4:1 light, ≥ 5.5:1 dark
   - --good / --warn chips ≥ 4.7:1 in both themes
   ========================================================= */

:root {
  --bg: #fbfbfd;
  --surface: #ffffff;
  --surface-2: #f3f4f8;
  --line: #e6e7ee;
  --text: #0b0d14;
  --muted: #5d6375;
  --accent: #4f46e5;          /* text, icons, borders */
  --good: #0f766e;
  --warn: #9a3412;
  --shadow: 0 1px 2px rgba(16,18,40,.04), 0 24px 60px -24px rgba(40,36,120,.22);
  /* Fills carrying white text. Same in both themes so white always passes. */
  --grad: linear-gradient(115deg, #4f46e5, #7c3aed);
  /* Gradient headline text. Lighter in dark mode so it stays readable. */
  --grad-text: linear-gradient(115deg, #4f46e5, #8b5cf6);

  --f-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  --gutter: clamp(1rem, 5vw, 4rem);
  --max: 1160px;
  --ease: cubic-bezier(.2,.8,.2,1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0d14; --surface: #12151f; --surface-2: #181c28; --line: #252a3a;
    --text: #f2f3f7; --muted: #9aa1b5; --accent: #9d97ff;
    --good: #2dd4bf; --warn: #fb923c;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 30px 70px -30px rgba(0,0,0,.8);
    --grad-text: linear-gradient(115deg, #9d97ff, #c4b5fd);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b0d14; --surface: #12151f; --surface-2: #181c28; --line: #252a3a;
  --text: #f2f3f7; --muted: #9aa1b5; --accent: #9d97ff;
  --good: #2dd4bf; --warn: #fb923c;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 30px 70px -30px rgba(0,0,0,.8);
  --grad-text: linear-gradient(115deg, #9d97ff, #c4b5fd);
  color-scheme: dark;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 1rem/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  transition: background .3s, color .3s;
}
h1, h2, h3 { font-family: var(--f-display); line-height: 1.08; margin: 0; letter-spacing: -0.025em; }
h1 { font-size: clamp(2.5rem, 6.4vw, 5rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); font-weight: 700; }
h3 { font-size: 1.08rem; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; color: var(--muted); }
a { color: inherit; text-decoration: none; }
svg { display: block; }
code { font: 500 .88em var(--f-mono); background: var(--surface-2); padding: .1em .35em; border-radius: 5px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
section { padding: clamp(4.5rem, 10vw, 8rem) 0; scroll-margin-top: 60px; }
.grad-text { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.label { font: 500 .75rem/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }
.section-head { max-width: 660px; margin-bottom: 3rem; }
.section-head h2 { margin-top: .9rem; }
.section-head p { margin-top: 1rem; font-size: 1.08rem; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
/* inside scrolling bars an outside ring gets clipped, so draw it inside */
.tabs :focus-visible, .win-side :focus-visible { outline-offset: -3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: .5rem; background: var(--text); color: var(--bg); padding: .5rem .9rem; border-radius: 8px; z-index: 100; }
.skip:focus { left: .5rem; }

/* ---------- buttons ---------- */
.btn {
  --mx: 0px; --my: 0px;
  display: inline-flex; align-items: center; gap: .55rem;
  font: 600 .95rem/1 var(--f-body); padding: .95rem 1.35rem; border-radius: 12px;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transform: translate(var(--mx), var(--my));
  transition: transform .25s var(--ease), box-shadow .25s, background .2s, border-color .2s;
}
.btn:active { transform: translate(var(--mx), var(--my)) scale(.97); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px -10px rgba(79,70,229,.7); }
.btn-primary:hover { box-shadow: 0 16px 40px -12px rgba(79,70,229,.85); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; transform: none; }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.btn-sm { padding: .6rem .95rem; font-size: .88rem; border-radius: 10px; }
.btn svg { width: 18px; height: 18px; }

.icon-btn {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface);
  color: var(--text); display: grid; place-items: center; cursor: pointer; transition: transform .15s, border-color .2s;
}
.icon-btn:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.icon-btn:active { transform: scale(.96); }
.icon-btn svg { width: 18px; height: 18px; }

/* ---------- chips ---------- */
.chip { display: inline-block; font: 500 .72rem/1 var(--f-mono); padding: .4rem .6rem; border-radius: 999px; background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.chip.good { color: var(--good); background: color-mix(in srgb, var(--good) 10%, transparent); border-color: color-mix(in srgb, var(--good) 25%, transparent); }
.chip.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 10%, transparent); border-color: color-mix(in srgb, var(--warn) 25%, transparent); }
.chip.acc { color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); border-color: color-mix(in srgb, var(--accent) 25%, transparent); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; gap: 2rem; height: 68px; }
.brand { display: flex; align-items: center; gap: .6rem; font: 700 1.08rem var(--f-display); letter-spacing: -0.02em; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--grad); display: grid; place-items: center; box-shadow: 0 6px 16px -6px #4f46e5; }
.nav-links { display: flex; gap: 1.75rem; margin-right: auto; }
.nav-links a { font-size: .92rem; color: var(--muted); white-space: nowrap; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: .6rem; margin-left: auto; }
.progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--grad); transform-origin: left; transform: scaleX(var(--p, 0)); }

/* theme toggle shows the icon for the current theme */
.icon-btn .moon { display: none; }
:root[data-theme="dark"] .icon-btn .sun { display: none; }
:root[data-theme="dark"] .icon-btn .moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-btn .sun { display: none; }
  :root:not([data-theme="light"]) .icon-btn .moon { display: block; }
}

/* mobile / tablet menu */
.menu-btn { display: none; }
.menu-btn path { transition: transform .25s, opacity .2s; transform-origin: center; transform-box: fill-box; }
.menu-btn[aria-expanded="true"] .l1 { transform: translateY(5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .l2 { opacity: 0; }
.menu-btn[aria-expanded="true"] .l3 { transform: translateY(-5px) rotate(-45deg); }
.menu { display: grid; gap: .2rem; padding: .5rem var(--gutter) 1.2rem; border-top: 1px solid var(--line); background: var(--bg); }
.menu[hidden] { display: none; }
.menu a:not(.btn) { padding: .8rem 0; font-weight: 500; border-bottom: 1px solid var(--line); }
.menu .btn { margin-top: .9rem; justify-content: center; }

/* ---------- hero ---------- */
.hero { padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 4rem); position: relative; text-align: center; }
.hero::before {
  /* starts above the viewport so the glow has no edge under the nav */
  content: ""; position: absolute; inset: -260px 0 auto; height: 980px; z-index: -1; pointer-events: none;
  background:
    radial-gradient(42% 46% at 30% 30%, rgba(99,91,255,.2), transparent 70%),
    radial-gradient(38% 40% at 72% 36%, rgba(139,92,246,.18), transparent 70%);
}
.pill {
  display: inline-flex; align-items: center; gap: .55rem; padding: .32rem .85rem .32rem .35rem;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
  font-size: .82rem; color: var(--muted); box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.pill b { font: 600 .7rem/1 var(--f-mono); color: #fff; background: var(--grad); padding: .34rem .55rem; border-radius: 999px; }
.hero h1 { margin: 1.5rem auto 0; max-width: 14ch; }
.hero .lede { margin: 1.4rem auto 0; max-width: 54ch; font-size: clamp(1.05rem, 1.6vw, 1.2rem); }
.cta-row { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; margin-top: 2.2rem; }
.fine { margin-top: 1.1rem; font-size: .82rem; color: var(--muted); display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; }
.fine span { display: inline-flex; align-items: center; gap: .4rem; }
.fine svg { width: 14px; height: 14px; color: var(--good); }


/* ---------- cards ---------- */
.card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 1.5rem; box-shadow: var(--shadow); }

/* ---------- live card ---------- */
.live { max-width: 760px; margin: clamp(2.5rem, 5vw, 3.5rem) auto 0; padding: 1.2rem 1.4rem; text-align: left; box-shadow: var(--shadow); }
.live-head { display: flex; justify-content: space-between; align-items: center; gap: .8rem; flex-wrap: wrap; }
.live-head small, .live-stats small { color: var(--muted); font-size: .78rem; }
.live-badge { display: inline-flex; align-items: center; gap: .45rem; font: 600 .72rem/1 var(--f-mono); color: var(--good); text-transform: uppercase; letter-spacing: .06em; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); animation: pulse 1.8s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--good) 55%, transparent); } 100% { box-shadow: 0 0 0 9px transparent; } }
.live-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; margin: 1rem 0; }
.live-stats > div { border: 1px solid var(--line); border-radius: 12px; padding: .8rem .95rem; }
.live-stats b { display: block; font: 600 1.5rem var(--f-display); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.feed { list-style: none; margin: 0; padding: 0; height: 9.6rem; overflow: hidden; font-size: .88rem; }
.feed li { display: flex; gap: .7rem; align-items: baseline; padding: .5rem 0; border-top: 1px solid var(--line); animation: feedIn .45s var(--ease); }
.feed time { font: 500 .72rem var(--f-mono); color: var(--muted); flex: none; }
@keyframes feedIn { from { opacity: 0; transform: translateY(-8px); } }

/* ---------- benefits ---------- */
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 2.2rem; }
.sec-head p { color: var(--muted); margin-top: .8rem; }
.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.benefits .card { padding: 1.5rem; }
.benefits .card > svg { width: 26px; height: 26px; color: var(--accent); }
.benefits h3 { margin: .9rem 0 .4rem; font-size: 1.1rem; }
.benefits p { margin: 0; color: var(--muted); font-size: .95rem; }

/* ---------- demo video ---------- */
.video { position: relative; max-width: 960px; margin: 0 auto; border-radius: 18px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #000; aspect-ratio: 16 / 9; }
.video video { width: 100%; height: 100%; display: block; object-fit: cover; }
.video-play { position: absolute; inset: 0; margin: auto; width: 84px; height: 84px; border-radius: 50%; border: 0; cursor: pointer; background: var(--grad); color: #fff; display: grid; place-items: center; box-shadow: 0 16px 50px -10px rgba(79,70,229,.8); transition: transform .2s var(--ease); }
.video-play:hover { transform: scale(1.06); }
.video-play svg { width: 34px; height: 34px; margin-left: 4px; }
.video.playing .video-play { display: none; }
.video + .fine, .slider + .fine { margin-top: 1rem; }

/* ---------- screenshot slider ---------- */
.slider { max-width: 1040px; margin: 0 auto; }
.track { list-style: none; margin: 0; padding: 0 0 .5rem; display: flex; gap: 1rem; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; scroll-behavior: smooth; }
.track::-webkit-scrollbar { display: none; }
.track:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 12px; }
.slide { flex: 0 0 min(100%, 760px); scroll-snap-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: .8rem .8rem 1.2rem; box-shadow: var(--shadow); }
.slide-img { display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; cursor: zoom-in; background: var(--surface-2); }
.slide-img img { display: block; width: 100%; height: auto; }
.slide h3 { margin: 1rem .6rem .2rem; font-size: 1.1rem; }
.slide p { margin: 0 .6rem; color: var(--muted); font-size: .93rem; }
.slider-ctl { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-top: 1rem; }
.dots { display: flex; gap: .2rem; }
.dots button { width: 24px; height: 24px; padding: 0; border: 0; background: none; cursor: pointer; display: grid; place-items: center; }
.dots button::before { content: ""; width: 8px; height: 8px; border-radius: 99px; background: var(--line); transition: width .25s var(--ease), background .2s; }
.dots button[aria-current="true"]::before { width: 22px; background: var(--accent); }

/* ---------- lightbox ---------- */
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(96vw, 1400px); max-height: 94vh; overflow: visible; }
.lightbox::backdrop { background: rgba(5,6,12,.85); }
.lightbox img { display: block; max-width: 100%; max-height: 90vh; border-radius: 12px; }
.lb-close { position: absolute; top: -48px; right: 0; }

/* ---------- pricing ---------- */
.billing { display: inline-flex; gap: .25rem; margin-top: 1.4rem; padding: .25rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.billing button { display: inline-flex; align-items: center; gap: .5rem; border: 0; background: none; color: var(--muted); font: 600 .9rem var(--f-body); padding: .6rem 1rem; border-radius: 9px; cursor: pointer; }
.billing button[aria-pressed="true"] { background: var(--grad); color: #fff; }
.billing button[aria-pressed="true"] .chip { background: #fff; border-color: #fff; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; padding: 1.6rem; }
.plan.featured { border-color: var(--accent); box-shadow: var(--shadow); }
.plan-flag { position: absolute; top: 1.2rem; right: 1.2rem; }
.plan h3 { font-size: 1.2rem; }
.plan-for { color: var(--muted); font-size: .9rem; margin: .3rem 0 0; min-height: 2.7em; }
.price { margin: 1.2rem 0 0; display: flex; align-items: baseline; gap: .4rem; }
.price b { font: 700 2.2rem var(--f-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.price .per, .billed { color: var(--muted); font-size: .85rem; }
.billed { min-height: 1.4em; margin: .2rem 0 0; }
.ticks { list-style: none; padding: 0; margin: 1.2rem 0 1.6rem; display: grid; gap: .55rem; font-size: .92rem; flex: 1; align-content: start; }
.ticks li { padding-left: 1.5rem; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .4em; width: 11px; height: 6px; border-left: 2px solid var(--good); border-bottom: 2px solid var(--good); transform: rotate(-45deg); }
.plan .btn { justify-content: center; }
.pricing-note { margin-top: 1.4rem; }

.nav-tag { font-size: .68rem; }
.contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; text-align: center; }
.contact .card { display: grid; gap: .3rem; }
.contact small { color: var(--muted); font-size: .78rem; }
.contact b { font: 600 1.05rem var(--f-display); overflow-wrap: anywhere; }
a.card:hover { border-color: var(--accent); }

/* ---------- subscribe form ---------- */
.sub-form { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; margin-top: 1.8rem; }
.sub-form input, .sub-form select { font: 500 .95rem var(--f-body); padding: .95rem 1rem; border-radius: 12px; border: 1px solid transparent; background: #fff; color: #1e1b4b; min-width: 0; }
.sub-form input { flex: 1 1 240px; max-width: 320px; }
.sub-form :focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }


/* ---------- final CTA ---------- */
.cta-band {
  position: relative; overflow: hidden; border-radius: 26px; padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.25rem, 5vw, 4.5rem);
  background: var(--grad); color: #fff; text-align: center;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(40% 80% at 10% 0%, rgba(255,255,255,.25), transparent 60%),
              linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px) 0 0/32px 32px,
              linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px) 0 0/32px 32px;
  -webkit-mask-image: radial-gradient(70% 90% at 50% 50%, #000, transparent);
  mask-image: radial-gradient(70% 90% at 50% 50%, #000, transparent);
}
.cta-band > * { position: relative; }
.cta-band h2 { max-width: 18ch; margin: 0 auto; }
.cta-band p { color: rgba(255,255,255,.9); margin: 1rem auto 0; max-width: 46ch; }
.cta-band .btn-primary { background: #fff; color: #1e1b4b; box-shadow: 0 12px 30px -12px rgba(0,0,0,.4); }
.cta-band .btn-ghost { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.35); }
.cta-band .fine { color: rgba(255,255,255,.88); }
.cta-band .fine svg { color: #fff; }
.link-note { margin-top: .9rem; min-height: 1.2em; font-size: .88rem; }

/* ---------- footer ---------- */
footer { padding: 3rem 0 2.5rem; }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 2rem; font-size: .88rem; color: var(--muted); }
.foot nav { display: flex; gap: .4rem 1rem; flex-wrap: wrap; }
.foot nav a { padding: .5rem .2rem; }
.foot a:hover { color: var(--text); }
.foot-meta { display: flex; gap: .9rem; align-items: center; flex-wrap: wrap; }
.foot-meta .chip { font-size: .7rem; }

/* ---------- motion ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
/* hero entrance runs on load, not on scroll, so it never sits hidden */
.js .hero .reveal { opacity: 1; transform: none; transition: none; animation: heroIn .8s var(--ease) both; animation-delay: var(--d, 0s); }
@keyframes heroIn { from { opacity: 0; transform: translateY(18px); } }

/* ---------- responsive ---------- */
@media (min-width: 981px) { .menu { display: none !important; } }
@media (max-width: 980px) {
  .nav-links { display: none; }
  .menu-btn { display: grid; }
}
@media (max-width: 860px) {
  .contact { grid-template-columns: 1fr; }
  .benefits, .plans { grid-template-columns: 1fr; }
  .plan-for { min-height: 0; }
}
@media (max-width: 680px) { .nav-tag { display: none; } }
@media (max-width: 520px) {
  .nav-contact { display: none; }
  .nav-inner { gap: .75rem; }
  .nav-actions { gap: .4rem; }
  .live { padding: 1rem; }
  .live-stats { gap: .5rem; }
  .live-stats > div { padding: .65rem .6rem; }
  .live-stats b { font-size: 1.2rem; }
  .sub-form > * { flex: 1 1 100%; max-width: none !important; }
  .sub-form .btn { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- print ---------- */
@media print {
  :root { --bg: #fff; --surface: #fff; --surface-2: #f3f4f8; --text: #000; --muted: #333; --line: #ccc; --shadow: none; }
  .nav, .menu, .skip, .sub-form, .link-note, .progress, .live { display: none !important; }
  .js .reveal, .js .hero .reveal { opacity: 1 !important; transform: none !important; animation: none !important; }
  .hero::before, .cta-band::before { display: none; }
  .cta-band { background: #fff; color: #000; border: 1px solid #ccc; }
  .cta-band p { color: #333; }
  section { padding: 1.5rem 0; break-inside: avoid-page; }
  .card { break-inside: avoid; }
}