/* ============================================================
   INDUSTRIAL ADVISORY GROUP — shared design system
   Brand: Lee & Associates (official palette + web font)
   Aesthetic: dark cinematic + light airy, Apple-style scroll
   ============================================================ */

:root{
  /* Brand colors (from Lee & Associates 2021 brand guide) */
  --red:#98002E; --bright:#CD1442; --merlot:#4E131E;
  --navy:#003146; --sky:#009AD9; --charcoal:#303C42; --slate:#7E8083; --frost:#A9C3CB;
  /* UI tokens */
  --ink:#0a0c10; --ink2:#12151c; --panel:#161a22;
  --paper:#ffffff; --mist:#f5f6f8; --line:#e6e8ec; --text:#14161c; --muted:#5a5e68;
  --grad:linear-gradient(145deg,#CD1442 0%,#98002E 65%,#4E131E 100%);
  --grad-soft:linear-gradient(145deg,rgba(205,20,66,.14),rgba(78,19,30,.14));
  --sans:'Nunito Sans',system-ui,-apple-system,sans-serif;
  --serif:'Fraunces',Georgia,serif;
  --e:cubic-bezier(.16,1,.3,1);
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--ink);color:var(--text);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:15px;letter-spacing:.01em;
  padding:14px 26px;border-radius:100px;cursor:pointer;border:0;transition:transform .3s var(--e),box-shadow .3s var(--e);white-space:nowrap}
.btn-grad{color:#fff;background:var(--grad);box-shadow:0 10px 30px -10px rgba(205,20,66,.7)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(205,20,66,.85)}
.btn-ghost{color:#fff;background:transparent;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5)}
.btn-dark{color:#fff;background:var(--ink)}
.btn-dark:hover{transform:translateY(-2px)}
.btn .arw{transition:transform .3s var(--e)}
.btn:hover .arw{transform:translateX(4px)}

/* ---------- Nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:18px 40px;transition:background .4s var(--e),box-shadow .4s var(--e),padding .4s var(--e);
  background:transparent}
.nav.scrolled{background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(20px);
  box-shadow:0 1px 0 rgba(20,22,28,.08);padding:12px 40px}
.nav .brand{display:flex;align-items:center;gap:13px}
.nav .brand .logo{position:relative;height:30px;width:auto}
.nav .brand .logo img{height:30px;width:auto;transition:opacity .4s var(--e)}
.nav .brand .logo .g{position:absolute;left:0;top:0;opacity:0}
.nav.scrolled .brand .logo .w{opacity:0}
.nav.scrolled .brand .logo .g{opacity:1}
.nav .brand .wm{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;line-height:1.25;
  color:#e7e9ee;border-left:1px solid rgba(255,255,255,.25);padding-left:13px;transition:color .4s,border-color .4s}
.nav.scrolled .brand .wm{color:var(--text);border-color:var(--line)}
.nav .links{display:flex;gap:30px;font-size:15px;font-weight:600;color:rgba(255,255,255,.86)}
.nav.scrolled .links{color:#3a3d45}
.nav .links a{position:relative;transition:color .2s}
.nav .links a:hover{color:#fff}
.nav.scrolled .links a:hover{color:var(--red)}
.nav .right{display:flex;align-items:center;gap:18px}
.nav .btn{padding:11px 22px;font-size:14px}
.nav.scrolled .btn-outline-adaptive,.nav .btn-outline-adaptive{}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px;z-index:110}
.hamburger span{width:24px;height:2px;background:#fff;transition:.3s var(--e);border-radius:2px}
.nav.scrolled .hamburger span{background:var(--text)}
.mobile-menu{position:fixed;inset:0;z-index:99;background:rgba(10,12,16,.97);backdrop-filter:blur(10px);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:26px;
  opacity:0;pointer-events:none;transition:opacity .4s var(--e)}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{color:#fff;font-size:26px;font-weight:800;letter-spacing:-.01em}
.mobile-menu a:hover{color:var(--bright)}

/* ---------- Sections ---------- */
.section{padding:52px 0}
.light{background:var(--paper);color:var(--text)}
.mist{background:var(--mist);color:var(--text)}
.dark{background:var(--ink);color:#fff}
.section-head{text-align:center;max-width:920px;margin:0 auto 40px}
.section-head.left{text-align:left;margin-left:0}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:.28em;text-transform:uppercase;color:var(--red);margin-bottom:16px}
.dark .eyebrow{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section-head h2{font-size:clamp(30px,4.4vw,56px);font-weight:800;letter-spacing:-.025em;line-height:1.03}
.section-head .note{margin-top:16px;font-size:17px;color:var(--muted);line-height:1.5}
.dark .section-head .note{color:#aeb4bf}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(38px);transition:opacity .9s var(--e),transform .9s var(--e)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* ---------- Footer ---------- */
.footer{background:#06070a;color:#8b909b;padding:64px 0 40px;font-size:14px}
.footer .top{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:28px}
.footer img{height:30px}
.footer .fcol h5{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.footer .fcol a{display:block;margin-bottom:9px;transition:color .2s}
.footer .fcol a:hover{color:#fff}
.footer .fnav{display:flex;gap:70px;flex-wrap:wrap}
.footer .clarify{font-size:13px;line-height:1.6;color:#aeb4bf;max-width:920px;margin-bottom:14px}
.footer .clarify strong{color:#fff;font-weight:800}
.footer .disc{font-size:11.5px;line-height:1.6;color:#575b64;max-width:900px}
.footer .tag{color:var(--frost);font-weight:800;letter-spacing:.06em;font-size:13px;margin-top:6px}

@media(max-width:900px){
  .nav .links,.nav .right .btn{display:none}
  .hamburger{display:flex}
  .nav{padding:16px 24px}.nav.scrolled{padding:12px 24px}
  .container{padding:0 24px}
  .section{padding:40px 0}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}