/* Brackley Labs — AI product studio
   Palette: deep graphite ground, cool off-white ink, signal-lime accent + violet glow
   Type: Space Grotesk (display) + Inter (text) + JetBrains Mono (labels) */

:root {
  --bg: #07080b;
  --bg-2: #0d0f14;
  --panel: #11141b;
  --panel-2: #161a23;
  --ink: #eef1f6;
  --ink-2: #c6ccd8;
  --muted: #8a93a6;
  --line: rgba(238, 241, 246, 0.09);
  --line-2: rgba(238, 241, 246, 0.16);
  --accent: #c6ff3d;
  --accent-ink: #0a0c06;
  --violet: #7c5cff;
  --cyan: #3de0ff;
  --max: 1280px;
  --pad: clamp(20px, 4vw, 44px);
  --radius: 16px;
  --ease: cubic-bezier(.2,.7,.2,1);
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --display: "Space Grotesk", "Inter", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 500; letter-spacing: -0.02em; margin: 0; line-height: 1.08; }
::selection { background: var(--accent); color: var(--accent-ink); }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

/* Background texture */
.grid-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  opacity: .55;
}
.glow {
  position: absolute; z-index: -1; pointer-events: none; border-radius: 50%;
  filter: blur(90px); opacity: .45;
}
.glow--violet { width: 560px; height: 560px; background: var(--violet); top: -180px; right: -120px; }
.glow--lime { width: 380px; height: 380px; background: var(--accent); top: 220px; left: -200px; opacity: .14; }

/* Labels */
.tag {
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); display: inline-flex; align-items: center; gap: 10px;
}
.tag::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.mono { font-family: var(--mono); }
.accent { color: var(--accent); }
.grad {
  background: linear-gradient(100deg, var(--ink) 10%, var(--accent) 55%, var(--cyan) 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 8, 11, .72);
  backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 600; font-size: 18px; letter-spacing: -0.02em; }
.brand__mark {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-size: 15px; font-weight: 700;
}
.brand__sub { font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; margin-left: 2px; }
.nav__links { display: flex; gap: 26px; margin-left: auto; font-size: 14.5px; }
.nav__links a { color: var(--ink-2); transition: color .2s var(--ease); }
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); }
.nav__links a.is-active { color: var(--accent); }
.nav__cta { margin-left: 8px; }
.nav__toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line-2); border-radius: 10px; width: 42px; height: 42px; cursor: pointer; padding: 0; }
.nav__toggle span { display: block; width: 18px; height: 1.5px; background: var(--ink); margin: 4px auto; }
@media (max-width: 980px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }
  body.menu-open .nav__links {
    display: flex; flex-direction: column; gap: 0; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 12px var(--pad) 20px;
  }
  body.menu-open .nav__links a { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: 999px;
  font-size: 14.5px; font-weight: 500; border: 1px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  font-family: inherit; white-space: nowrap;
}
.btn--solid { background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 0 0 rgba(198,255,61,.0); }
.btn--solid:hover { transform: translateY(-1px); box-shadow: 0 10px 40px -10px rgba(198,255,61,.55); }
.btn--ghost { border-color: var(--line-2); color: var(--ink); background: rgba(255,255,255,.02); }
.btn--ghost:hover { border-color: var(--ink-2); }
.btn--sm { padding: 9px 16px; font-size: 13.5px; }
.btn--lg { padding: 17px 28px; font-size: 16px; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(80px, 12vw, 150px) 0 clamp(60px, 8vw, 100px); }
.hero h1 { font-size: clamp(44px, 7.6vw, 104px); font-weight: 500; letter-spacing: -0.045em; line-height: .98; margin: 22px 0 28px; max-width: 14ch; }
.hero .lede { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); max-width: 60ch; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero--page h1 { font-size: clamp(40px, 6vw, 80px); max-width: 18ch; }

.ticker { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.ticker span b { color: var(--ink); font-weight: 500; }

/* Terminal / console visual */
.console {
  margin-top: 64px; border: 1px solid var(--line-2); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--bg-2)); overflow: hidden;
  box-shadow: 0 40px 120px -40px rgba(124, 92, 255, .45);
}
.console__bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 12px; color: var(--muted); }
.console__bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); display: inline-block; }
.console__bar span { margin-left: 10px; }
.console__body { display: grid; grid-template-columns: 1.2fr 1fr; }
.console__pane { padding: 24px; font-family: var(--mono); font-size: 13px; line-height: 1.9; color: var(--ink-2); min-width: 0; }
.console__pane + .console__pane { border-left: 1px solid var(--line); }
.console__pane .k { color: var(--violet); }
.console__pane .s { color: var(--accent); }
.console__pane .c { color: var(--muted); }
.console__pane .n { color: var(--cyan); }
.metric-row { display: flex; justify-content: space-between; border-bottom: 1px dashed var(--line); padding: 6px 0; gap: 12px; }
.metric-row b { color: var(--ink); font-weight: 500; }
.bar { height: 6px; background: var(--line); border-radius: 4px; overflow: hidden; margin: 6px 0 14px; }
.bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--violet), var(--accent)); }
@media (max-width: 820px) {
  .console__body { grid-template-columns: 1fr; }
  .console__pane + .console__pane { border-left: 0; border-top: 1px solid var(--line); }
  .console__pane { font-size: 12px; overflow-x: auto; }
}

/* Sections */
.section { padding: clamp(70px, 9vw, 130px) 0; position: relative; }
.section--alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-bottom: 56px; }
.section__head h2 { font-size: clamp(32px, 4.4vw, 58px); letter-spacing: -0.035em; margin-top: 16px; }
.section__head p { color: var(--ink-2); max-width: 52ch; margin: 0; }
@media (max-width: 860px) { .section__head { grid-template-columns: 1fr; gap: 18px; } }

/* Cards */
.cards { display: grid; gap: 18px; grid-template-columns: repeat(2, 1fr); }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1020px) { .cards--4, .cards--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .cards, .cards--3, .cards--4 { grid-template-columns: 1fr; } }

.card {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), rgba(17,20,27,.4));
  padding: 30px; overflow: hidden; transition: border-color .25s var(--ease), transform .25s var(--ease);
  display: flex; flex-direction: column;
}
.card:hover { border-color: var(--line-2); }
a.card:hover { transform: translateY(-3px); border-color: rgba(198,255,61,.4); }
.card__idx { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: .08em; }
.card h3 { font-size: 26px; margin: 18px 0 12px; }
.card p { color: var(--ink-2); font-size: 15.5px; }
.card ul { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 8px; }
.card li { font-size: 14.5px; color: var(--ink-2); padding-left: 20px; position: relative; }
.card li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); font-size: 12px; top: 2px; }
.card__more { margin-top: auto; padding-top: 22px; font-family: var(--mono); font-size: 12.5px; color: var(--accent); letter-spacing: .04em; }
.card--feature { grid-column: span 2; background: radial-gradient(120% 140% at 100% 0%, rgba(124,92,255,.22), transparent 55%), linear-gradient(180deg, var(--panel), var(--bg-2)); }
@media (max-width: 680px) { .card--feature { grid-column: auto; } }
.card__icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--line-2); color: var(--accent); background: rgba(198,255,61,.06); }

/* Pills */
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pill { font-family: var(--mono); font-size: 12px; padding: 6px 11px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-2); background: rgba(255,255,255,.02); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat { padding: 30px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-family: var(--display); font-size: clamp(34px, 4vw, 52px); font-weight: 500; letter-spacing: -0.04em; line-height: 1; margin-bottom: 10px; }
.stat span { font-size: 14px; color: var(--muted); }
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, 1fr); } .stat:nth-child(2) { border-right: 0; } .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); } }

/* Steps / process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.step { padding: 30px 26px 10px 0; border-right: 1px solid var(--line); margin-right: 26px; }
.step:last-child { border-right: 0; margin-right: 0; }
.step__n { font-family: var(--mono); color: var(--accent); font-size: 12.5px; }
.step h3 { font-size: 22px; margin: 14px 0 10px; }
.step p { color: var(--ink-2); font-size: 15px; }
.step small { font-family: var(--mono); color: var(--muted); font-size: 12px; }
@media (max-width: 960px) { .steps { grid-template-columns: 1fr 1fr; } .step:nth-child(2) { border-right: 0; margin-right: 0; } }
@media (max-width: 600px) { .steps { grid-template-columns: 1fr; } .step { border-right: 0; margin-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 20px; } }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 80px); align-items: start; }
.split h2 { font-size: clamp(30px, 4vw, 52px); letter-spacing: -0.035em; margin: 16px 0 20px; }
.split p { color: var(--ink-2); }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

/* Lists */
.rows { border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 70px 1fr 1.4fr; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.row__n { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.row h3 { font-size: 22px; }
.row p { color: var(--ink-2); margin: 0; font-size: 15.5px; }
@media (max-width: 760px) { .row { grid-template-columns: 1fr; gap: 8px; } }

/* Stack */
.stack { display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stack div { padding: 22px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 13px; color: var(--ink-2); }
.stack div small { display: block; color: var(--muted); font-size: 11px; margin-bottom: 6px; text-transform: uppercase; letter-spacing: .08em; }
@media (max-width: 900px) { .stack { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 520px) { .stack { grid-template-columns: repeat(2, 1fr); } }

/* Pricing / engagements */
.plan { padding: 34px; }
.plan__price { font-family: var(--display); font-size: 40px; letter-spacing: -0.03em; margin: 14px 0 4px; }
.plan__price small { font-size: 15px; color: var(--muted); font-family: "Inter", sans-serif; letter-spacing: 0; }
.plan .btn { margin-top: 26px; align-self: flex-start; }
.plan--hot { border-color: rgba(198,255,61,.45); box-shadow: 0 30px 90px -40px rgba(198,255,61,.35); }
.badge { position: absolute; top: 22px; right: 22px; font-family: var(--mono); font-size: 11px; padding: 5px 10px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 22px 0; }
.faq summary { cursor: pointer; font-family: var(--display); font-size: 20px; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink-2); margin: 14px 0 0; max-width: 70ch; }

/* Quote */
.quote { font-family: var(--display); font-size: clamp(26px, 3.4vw, 44px); letter-spacing: -0.03em; line-height: 1.2; max-width: 26ch; }
.quote em { font-style: normal; color: var(--accent); }

/* CTA band */
.cta-band {
  border: 1px solid var(--line-2); border-radius: 24px; padding: clamp(36px, 6vw, 72px);
  background: radial-gradient(90% 140% at 0% 100%, rgba(198,255,61,.14), transparent 55%), radial-gradient(90% 140% at 100% 0%, rgba(124,92,255,.28), transparent 55%), var(--panel);
  display: grid; grid-template-columns: 1.4fr auto; gap: 30px; align-items: end;
}
.cta-band h2 { font-size: clamp(32px, 4.6vw, 62px); letter-spacing: -0.04em; }
.cta-band p { color: var(--ink-2); margin: 16px 0 0; max-width: 52ch; }
@media (max-width: 820px) { .cta-band { grid-template-columns: 1fr; } }

/* Forms */
.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 620px) { .form__row { grid-template-columns: 1fr; } }
.form label { display: grid; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.form input, .form select, .form textarea {
  font: inherit; font-family: "Inter", sans-serif; text-transform: none; letter-spacing: 0; font-size: 15.5px;
  background: var(--bg-2); border: 1px solid var(--line-2); color: var(--ink); border-radius: 12px; padding: 13px 14px; width: 100%;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(198,255,61,.15); }
.form textarea { min-height: 140px; resize: vertical; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { display: inline-flex; text-transform: none; letter-spacing: 0; font-size: 13.5px; font-family: "Inter", sans-serif; color: var(--ink-2); cursor: pointer; }
.chips input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chips span { padding: 9px 14px; border: 1px solid var(--line-2); border-radius: 999px; transition: all .2s var(--ease); }
.chips input:checked + span { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.chips input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.form__note { font-size: 13px; color: var(--muted); }

/* Footer */
.footer { border-top: 1px solid var(--line); margin-top: clamp(60px, 8vw, 110px); padding: 70px 0 30px; background: var(--bg-2); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer h4 { font-family: var(--mono); font-size: 12px; font-weight: 400; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 14.5px; color: var(--ink-2); }
.footer ul a:hover { color: var(--accent); }
.footer__tag { color: var(--ink-2); font-size: 14.5px; max-width: 36ch; margin-top: 18px; }
.footer__word { font-family: var(--display); font-weight: 600; font-size: clamp(48px, 13vw, 190px); letter-spacing: -0.06em; line-height: .85; margin: 60px 0 30px; color: transparent; -webkit-text-stroke: 1px var(--line-2); user-select: none; white-space: nowrap; overflow: hidden; }
.footer__meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.footer__meta a:hover { color: var(--ink); }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }

/* Reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* Utilities */
.mt-0 { margin-top: 0; } .mt-l { margin-top: 48px; }
.center { text-align: center; }
.note { font-size: 13px; color: var(--muted); font-family: var(--mono); }
.crumbs { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.crumbs a:hover { color: var(--ink); }
.form input[type=range] { accent-color: var(--accent); padding: 0; border: 0; background: none; box-shadow: none; height: 22px; }