/* =========================================================
   MaightyLabs — Design System
   Bold & techy · light-dominant · cornflower blue accents
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  /* ink + neutrals */
  --ink:        #0B0D14;
  --ink-2:      #2A2F3C;
  --body:       #474D5C;
  --muted:      #7A8194;
  --line:       #E7EAF1;
  --line-2:     #D9DDE8;

  /* surfaces */
  --bg:         #FFFFFF;
  --bg-soft:    #F5F7FC;
  --bg-tint:    #ECF2FE;
  --dark:       #0A0D17;
  --dark-2:     #111626;
  --dark-line:  rgba(255,255,255,.10);

  /* brand blue */
  --blue:       #3E7BF7;
  --blue-bright:#5B9BF7;
  --blue-soft:  #8FB8FB;
  --blue-deep:  #2A5FD6;
  --blue-glow:  rgba(91,155,247,.45);

  /* type */
  --display: 'Space Grotesk', system-ui, sans-serif;
  --sans:    'DM Sans', system-ui, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, monospace;

  /* shape */
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --shadow-sm: 0 1px 2px rgba(11,13,20,.05), 0 4px 14px rgba(11,13,20,.04);
  --shadow:    0 4px 12px rgba(11,13,20,.06), 0 24px 48px -16px rgba(11,13,20,.12);
  --shadow-blue: 0 10px 30px -8px rgba(62,123,247,.45);

  --ease: cubic-bezier(.22,.61,.36,1);

  --maxw: 1200px;
  --pad: clamp(20px, 5vw, 64px);
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
html, body{ overflow-x:hidden; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--body);
  background:var(--bg);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; }
::selection{ background:var(--blue); color:#fff; }

h1,h2,h3,h4{
  font-family:var(--display);
  color:var(--ink);
  margin:0;
  line-height:1.04;
  letter-spacing:-.02em;
  font-weight:600;
  text-wrap:balance;
}
p{ margin:0; }

/* ---------- layout ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--pad); }
.section{ padding-block: clamp(72px, 11vw, 140px); }
.section--tight{ padding-block: clamp(56px, 8vw, 96px); }

/* ---------- eyebrow ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:.55em;
  font-family:var(--mono);
  font-size:.78rem; font-weight:500;
  letter-spacing:.12em; text-transform:uppercase;
  color:var(--blue);
}
.eyebrow::before{
  content:""; width:22px; height:1px; background:currentColor; opacity:.6;
}
.eyebrow--center::before{ display:none; }
.on-dark .eyebrow{ color:var(--blue-bright); }

/* ---------- headings scale ---------- */
.display{ font-size:clamp(2.7rem, 6.4vw, 5.1rem); font-weight:700; letter-spacing:-.03em; }
.h1{ font-size:clamp(2.3rem, 5vw, 3.6rem); font-weight:700; }
.h2{ font-size:clamp(1.9rem, 3.8vw, 3rem); }
.h3{ font-size:clamp(1.35rem, 2.2vw, 1.7rem); }
.lead{ font-size:clamp(1.08rem, 1.5vw, 1.32rem); line-height:1.55; color:var(--ink-2); }
.muted{ color:var(--muted); }

/* the "ai" highlight — brand motif */
.ai{ color:var(--blue); }
.uline{
  background:linear-gradient(transparent 62%, rgba(91,155,247,.32) 0);
  padding:0 .04em;
}

/* ---------- buttons ---------- */
.btn{
  --bw: 0;
  display:inline-flex; align-items:center; gap:.6em;
  font-family:var(--sans); font-weight:600; font-size:1rem;
  padding:.92em 1.5em; border-radius:999px;
  border:1px solid transparent; cursor:pointer;
  transition:transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), color .2s, border-color .2s;
  white-space:nowrap;
}
.btn:active{ transform:translateY(1px) scale(.99); }
.btn .arr{ transition:transform .3s var(--ease); display:inline-block; }
.btn:hover .arr{ transform:translateX(4px); }

.btn--primary{ background:var(--blue); color:#fff; box-shadow:var(--shadow-blue); }
.btn--primary:hover{ background:var(--blue-deep); transform:translateY(-2px); }

.btn--ghost{ background:transparent; color:var(--ink); border-color:var(--line-2); }
.btn--ghost:hover{ border-color:var(--ink); transform:translateY(-2px); }

.btn--light{ background:#fff; color:var(--ink); }
.btn--light:hover{ background:var(--bg-tint); transform:translateY(-2px); }

.on-dark .btn--ghost{ color:#fff; border-color:rgba(255,255,255,.22); }
.on-dark .btn--ghost:hover{ border-color:#fff; background:rgba(255,255,255,.05); }

.textlink{
  display:inline-flex; align-items:center; gap:.5em;
  font-weight:600; color:var(--blue);
}
.textlink .arr{ transition:transform .3s var(--ease); }
.textlink:hover .arr{ transform:translateX(4px); }

/* ---------- logo wordmark (recolorable) ---------- */
.logo{ display:inline-flex; align-items:center; gap:.62em; color:var(--ink); }
.logo-mark{
  width:1.85em; height:1.85em; border-radius:50%;
  border:2px solid currentColor;
  display:grid; place-items:center;
  font-family:var(--display); font-weight:700; font-size:1em;
  line-height:1; flex:none;
}
.logo-word{
  font-family:var(--display); font-weight:700; font-size:1.32em;
  letter-spacing:-.03em; line-height:1; color:currentColor;
}
.logo-word .ai{ color:var(--blue); }
.logo-word .labs{ color:var(--blue); }
.logo--dark,
a.logo--dark,
.footer a.logo--dark{ color:#fff; }
.logo--dark .logo-word .ai,
.logo--dark .logo-word .labs{ color:var(--blue-bright); }

/* ---------- top nav ---------- */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  gap:24px; padding: 16px var(--pad);
  transition:background .3s var(--ease), box-shadow .3s var(--ease), padding .3s var(--ease), border-color .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border-bottom-color:var(--line);
  padding-block:11px;
}
.nav .logo{ font-size:18px; }
.nav-links{ display:flex; align-items:center; gap:6px; }
.nav-links a{
  font-weight:500; font-size:.97rem; color:var(--ink-2);
  padding:9px 15px; border-radius:999px; position:relative;
  transition:color .2s, background .2s;
}
.nav-links a:hover{ color:var(--ink); background:var(--bg-soft); }
.nav-links a.active{ color:var(--blue); }
.nav-right{ display:flex; align-items:center; gap:14px; }
.nav-cta{ padding:.7em 1.25em; font-size:.95rem; }

.burger{
  display:none; width:42px; height:42px; border-radius:12px;
  border:1px solid var(--line-2); background:#fff;
  cursor:pointer; padding:0; position:relative;
}
.burger span{ position:absolute; left:11px; right:11px; height:2px; background:var(--ink); border-radius:2px; transition:.3s var(--ease); }
.burger span:nth-child(1){ top:15px; }
.burger span:nth-child(2){ top:20px; }
.burger span:nth-child(3){ top:25px; }
.burger.open span:nth-child(1){ top:20px; transform:rotate(45deg); }
.burger.open span:nth-child(2){ opacity:0; }
.burger.open span:nth-child(3){ top:20px; transform:rotate(-45deg); }

/* mobile menu */
.mmenu{
  position:fixed; inset:0; z-index:99;
  background:rgba(255,255,255,.97); backdrop-filter:blur(8px);
  display:flex; flex-direction:column; justify-content:center; gap:8px;
  padding:0 var(--pad);
  opacity:0; visibility:hidden; transform:translateY(-8px);
  transition:.35s var(--ease);
}
.mmenu.open{ opacity:1; visibility:visible; transform:none; }
.mmenu a{ font-family:var(--sans); font-weight:600; font-size:1.4rem; color:var(--ink); padding:10px 0; border-bottom:1px solid var(--line); }
.mmenu a:first-child{ border-top:1px solid var(--line); }
.mmenu a .ai{ color:var(--blue); }
.mmenu .btn{ font-family:var(--sans); font-size:1.1rem; font-weight:600; margin-top:24px; padding:.8em 1.4em; justify-content:center; }

/* ---------- footer ---------- */
.footer{ background:var(--dark); color:rgba(255,255,255,.62); position:relative; overflow:hidden; }
.footer .wrap{ position:relative; z-index:2; }
.footer-grid{
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:40px;
  padding-block: clamp(56px,8vw,88px) 40px;
}
.footer h4{ color:#fff; font-size:.82rem; font-family:var(--mono); font-weight:500; letter-spacing:.1em; text-transform:uppercase; margin-bottom:18px; }
.footer a{ display:block; padding:6px 0; color:rgba(255,255,255,.62); transition:color .2s; }
.footer a:hover{ color:#fff; }
.footer-tag{ max-width:30ch; margin:18px 0 22px; color:rgba(255,255,255,.55); font-size:.97rem; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap;
  border-top:1px solid var(--dark-line); padding:24px 0 40px; font-size:.85rem;
}
.footer-bottom a{ display:inline; padding:0; }
.footer-glow{ position:absolute; inset:auto -10% -60% -10%; height:60%; background:radial-gradient(60% 100% at 50% 100%, var(--blue-glow), transparent 70%); pointer-events:none; }

/* ---------- generic cards ---------- */
.card{
  background:#fff; border:1px solid var(--line);
  border-radius:var(--r-lg); padding:30px;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); border-color:var(--line-2); }

/* ---------- dark section base ---------- */
.on-dark{ background:var(--dark); color:rgba(255,255,255,.66); position:relative; overflow:hidden; }
.on-dark h1,.on-dark h2,.on-dark h3,.on-dark h4{ color:#fff; }
.on-dark .lead{ color:rgba(255,255,255,.78); }
.on-dark .muted{ color:rgba(255,255,255,.5); }

/* dot / grid backgrounds */
.bg-grid{
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
}
.bg-dots-dark{ background-image:radial-gradient(rgba(255,255,255,.10) 1.2px, transparent 1.2px); background-size:28px 28px; }

/* ---------- reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.reveal[data-d="1"]{ transition-delay:.08s; }
.reveal[data-d="2"]{ transition-delay:.16s; }
.reveal[data-d="3"]{ transition-delay:.24s; }
.reveal[data-d="4"]{ transition-delay:.32s; }
.reveal[data-d="5"]{ transition-delay:.40s; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1 !important; transform:none !important; }
  *{ animation:none !important; }
  html{ scroll-behavior:auto; }
}

/* ---------- marquee ---------- */
.marquee{ overflow:hidden; -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); }
.marquee-row{ display:flex; gap:0; width:max-content; animation:scrollx 38s linear infinite; }
.marquee:hover .marquee-row{ animation-play-state:paused; }
.marquee-item{ display:inline-flex; align-items:center; gap:14px; padding:0 22px; font-family:var(--display); font-weight:500; font-size:clamp(1rem,1.5vw,1.3rem); color:var(--ink-2); white-space:nowrap; }
.marquee-item .dot{ width:7px; height:7px; border-radius:50%; background:var(--blue); flex:none; }
.on-dark .marquee-item{ color:rgba(255,255,255,.92); }
@keyframes scrollx{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* ---------- pill / tag ---------- */
.pill{
  display:inline-flex; align-items:center; gap:.5em;
  font-family:var(--mono); font-size:.76rem; letter-spacing:.04em;
  padding:.45em .9em; border-radius:999px;
  border:1px solid var(--line-2); color:var(--ink-2); background:#fff;
}
.on-dark .pill{ border-color:var(--dark-line); color:rgba(255,255,255,.8); background:rgba(255,255,255,.04); }

/* ---------- section header helper ---------- */
.sec-head{ max-width:62ch; }
.sec-head.center{ margin-inline:auto; text-align:center; }
.sec-head .h2{ margin-top:18px; }
.sec-head p{ margin-top:18px; }

/* ---------- m-mark motif decoration ---------- */
.ring{ border:1.5px solid currentColor; border-radius:50%; }

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .nav-links, .nav-cta{ display:none; }
  .burger{ display:block; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width: 560px){
  body{ font-size:16px; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .btn{ white-space:normal; }
  .h1{ font-size:clamp(1.9rem,9vw,2.3rem); }
  .display{ font-size:clamp(2.2rem,9vw,2.7rem); }
  .marquee-item{ font-size:clamp(0.85rem,2.5vw,1rem); }
  .cta-band .btn--light{ flex-wrap:wrap; max-width:100%; justify-content:center; white-space:normal; padding:.75em 1.2em; }
}
@media (max-width: 380px){
  .footer-grid{ grid-template-columns:1fr; }
}