/* =========================================================
   InArena Advisory — design system
   Confident restraint: editorial serif, deep ink, one bronze accent.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,300;1,6..72,400&family=Inter:wght@300;400;500;600&display=swap');

:root{
  --ink:        #0E1216;
  --ink-2:      #161C23;
  --ink-3:      #212A33;
  --paper:      #FBF9F6;
  --paper-2:    #F2EDE5;
  --paper-3:    #E6DFD4;
  --bronze:     #A8763B;
  --bronze-lt:  #C9995C;
  --bronze-pale:#E4CFAF;
  --body:       #3A434D;
  --muted:      #6E7883;
  --muted-dk:   #97A1AC;
  --line:       rgba(14,18,22,.12);
  --line-lt:    rgba(255,255,255,.14);

  --serif: 'Newsreader', 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --wrap: 1160px;
  --gut: clamp(20px, 5vw, 56px);
  --sect: clamp(72px, 9vw, 132px);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body.ia{
  margin:0; background:var(--paper); color:var(--body);
  font-family:var(--sans); font-size:17px; line-height:1.65;
  font-weight:400; letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
.ia img{ max-width:100%; height:auto; display:block; }
.ia h1,.ia h2,.ia h3,.ia h4{
  font-family:var(--serif); font-weight:400; color:var(--ink);
  letter-spacing:-.02em; line-height:1.12; margin:0 0 .6em;
}
.ia p{ margin:0 0 1.1em; }
.ia a{ color:inherit; text-decoration:none; }
.ia ul{ margin:0 0 1.2em; padding:0 0 0 0; list-style:none; }

/* ---------- layout ---------- */
.ia-wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding-inline:var(--gut); }
.ia-sect{ padding-block:var(--sect); position:relative; }
.ia-sect--tight{ padding-block:clamp(52px,6vw,84px); }
.ia-dark{ background:var(--ink); color:var(--muted-dk); }
.ia-dark h1,.ia-dark h2,.ia-dark h3,.ia-dark h4{ color:var(--paper); }
.ia-tint{ background:var(--paper-2); }
.ia-rule{ height:1px; background:var(--line); border:0; margin:0; }

/* ---------- type ---------- */
.ia-eyebrow{
  font-family:var(--sans); font-size:11.5px; font-weight:600;
  letter-spacing:.18em; text-transform:uppercase; color:var(--bronze);
  margin:0 0 22px; display:flex; align-items:flex-start; gap:14px; line-height:1.6;
}
.ia-eyebrow::before{ content:""; width:26px; height:1px; background:var(--bronze); flex:none; margin-top:.78em; }
.ia-dark .ia-eyebrow{ color:var(--bronze-lt); }
.ia-dark .ia-eyebrow::before{ background:var(--bronze-lt); }

.ia-h1{ font-size:clamp(2.6rem, 6.4vw, 4.6rem); line-height:1.03; letter-spacing:-.035em; }
.ia-h2{ font-size:clamp(2rem, 3.9vw, 3.05rem); letter-spacing:-.028em; }
.ia-h3{ font-size:clamp(1.32rem, 2vw, 1.62rem); letter-spacing:-.02em; }
.ia-lead{
  font-size:clamp(1.08rem, 1.55vw, 1.3rem); line-height:1.6;
  color:var(--body); font-weight:300; max-width:60ch;
}
.ia-dark .ia-lead{ color:#C3CBD4; }
.ia-measure{ max-width:66ch; }
.ia-measure-sm{ max-width:52ch; }
.ia-serif-note{
  font-family:var(--serif); font-style:italic; font-size:clamp(1.15rem,1.8vw,1.42rem);
  line-height:1.5; color:var(--ink); font-weight:300;
}
.ia-dark .ia-serif-note{ color:var(--paper); }
.ia-small{ font-size:14.5px; color:var(--muted); }
.ia-dark .ia-small{ color:var(--muted-dk); }
.ia-accent{ color:var(--bronze); }
.ia-dark .ia-accent{ color:var(--bronze-lt); }

/* ---------- buttons ---------- */
.ia-btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--sans); font-size:14.5px; font-weight:500; letter-spacing:.01em;
  padding:15px 26px; border:1px solid transparent; border-radius:2px;
  transition:all .28s var(--ease); cursor:pointer;
}
.ia-btn svg{ transition:transform .28s var(--ease); }
.ia-btn:hover svg{ transform:translateX(4px); }
.ia-btn--primary{ background:var(--bronze); color:#fff; border-color:var(--bronze); }
.ia-btn--primary:hover{ background:#8F6330; border-color:#8F6330; }
.ia-btn--ghost{ border-color:var(--line); color:var(--ink); background:transparent; }
.ia-btn--ghost:hover{ border-color:var(--ink); }
.ia-dark .ia-btn--ghost{ border-color:var(--line-lt); color:var(--paper); }
.ia-dark .ia-btn--ghost:hover{ border-color:var(--paper); background:rgba(255,255,255,.05); }
.ia-btns{ display:flex; flex-wrap:wrap; gap:14px; margin-top:38px; }

.ia-link{
  display:inline-flex; align-items:center; gap:9px;
  font-size:14.5px; font-weight:500; color:var(--bronze);
  border-bottom:1px solid rgba(168,118,59,.35); padding-bottom:3px;
  transition:border-color .25s var(--ease);
}
.ia-link:hover{ border-color:var(--bronze); }
.ia-link svg{ transition:transform .25s var(--ease); }
.ia-link:hover svg{ transform:translateX(4px); }
.ia-dark .ia-link{ color:var(--bronze-lt); border-color:rgba(201,153,92,.35); }
.ia-dark .ia-link:hover{ border-color:var(--bronze-lt); }

/* ---------- header ---------- */
.ia-hdr{
  position:sticky; top:0; z-index:80;
  background:rgba(251,249,246,.86); backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--line); transition:background .3s var(--ease);
}
.ia-hdr__in{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.ia-logo{ display:flex; align-items:baseline; gap:9px; font-family:var(--serif); font-size:21px; color:var(--ink); letter-spacing:-.02em; }
.ia-logo b{ font-weight:600; }
.ia-logo span{ font-family:var(--sans); font-size:10px; font-weight:600; letter-spacing:.2em; text-transform:uppercase; color:var(--bronze); }
.ia-nav{ display:flex; align-items:center; gap:34px; }
.ia-nav a{
  font-size:14.5px; font-weight:450; color:var(--body); position:relative; padding:6px 0;
  transition:color .22s var(--ease);
}
.ia-nav a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:1px;
  background:var(--bronze); transition:width .28s var(--ease);
}
.ia-nav a:hover{ color:var(--ink); }
.ia-nav a:hover::after,.ia-nav a[aria-current="page"]::after{ width:100%; }
.ia-nav a[aria-current="page"]{ color:var(--ink); }
.ia-hdr .ia-btn{ padding:11px 20px; font-size:13.5px; }
.ia-burger{
  display:none; width:44px; height:44px; border:1px solid var(--line);
  background:transparent; border-radius:2px; padding:0; cursor:pointer;
  align-items:center; justify-content:center;
}
.ia-burger i{ display:block; width:18px; height:1.5px; background:var(--ink); position:relative; transition:.25s var(--ease); }
.ia-burger i::before,.ia-burger i::after{ content:""; position:absolute; left:0; width:18px; height:1.5px; background:var(--ink); transition:.25s var(--ease); }
.ia-burger i::before{ top:-6px; } .ia-burger i::after{ top:6px; }
.ia-burger[aria-expanded="true"] i{ background:transparent; }
.ia-burger[aria-expanded="true"] i::before{ top:0; transform:rotate(45deg); }
.ia-burger[aria-expanded="true"] i::after{ top:0; transform:rotate(-45deg); }
.ia-mob{ display:none; border-top:1px solid var(--line); background:var(--paper); }
.ia-mob.open{ display:block; }
.ia-mob a{ display:block; padding:16px 0; border-bottom:1px solid var(--line); font-size:16px; color:var(--ink); }
.ia-mob a:last-child{ border-bottom:0; }

/* ---------- hero ---------- */
.ia-hero{
  position:relative; background:var(--ink); color:#C3CBD4; overflow:hidden;
  padding-block:clamp(96px,13vw,178px);
}
.ia-hero__glow{
  position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(1100px 620px at 76% 14%, rgba(168,118,59,.16), transparent 62%),
    radial-gradient(760px 560px at 8% 92%, rgba(120,150,190,.09), transparent 66%);
}
.ia-hero__arcs{ position:absolute; right:-13%; top:50%; transform:translateY(-50%); width:min(760px,74vw); opacity:.4; pointer-events:none; }
.ia-hero__in{ position:relative; z-index:2; }
.ia-hero__in .ia-h1{ color:var(--paper); max-width:15ch; }
.ia-hero__in .ia-lead{ margin-top:26px; max-width:53ch; }
.ia-hero--page{ padding-block:clamp(76px,9vw,124px); }
.ia-hero--page .ia-h1{ font-size:clamp(2.3rem,4.9vw,3.7rem); max-width:19ch; }

/* ---------- stat band ---------- */
.ia-stats{ background:var(--ink-2); border-top:1px solid rgba(255,255,255,.07); }
.ia-stats__grid{ display:grid; grid-template-columns:repeat(4,1fr); }
.ia-stat{ padding:38px 30px 40px; border-left:1px solid rgba(255,255,255,.08); }
.ia-stat:first-child{ border-left:0; padding-left:0; }
.ia-stat b{
  display:block; font-family:var(--serif); font-weight:400; color:var(--paper);
  font-size:clamp(1.75rem,3.1vw,2.5rem); line-height:1; letter-spacing:-.03em; margin-bottom:12px;
}
.ia-stat span{ display:block; font-size:13.5px; line-height:1.5; color:var(--muted-dk); max-width:26ch; }

/* ---------- generic grids ---------- */
.ia-grid{ display:grid; gap:clamp(28px,4vw,56px); }
.ia-grid--2{ grid-template-columns:repeat(2,1fr); }
.ia-grid--3{ grid-template-columns:repeat(3,1fr); }
.ia-grid--split{ grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); align-items:start; }
.ia-sticky{ position:sticky; top:112px; }

/* ---------- numbered cards ---------- */
.ia-cards{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line-lt); border:1px solid var(--line-lt); }
.ia-card{ background:var(--ink); padding:clamp(30px,3.4vw,46px); display:flex; flex-direction:column; }
.ia-card__no{
  font-family:var(--sans); font-size:11.5px; font-weight:600; letter-spacing:.18em;
  color:var(--bronze-lt); margin-bottom:20px;
}
.ia-card h3{ margin-bottom:12px; }
.ia-card__kicker{ font-family:var(--serif); font-style:italic; font-size:1.06rem; line-height:1.4; color:var(--bronze-pale); margin:-2px 0 22px; }
.ia-card p{ font-size:15.5px; color:var(--muted-dk); margin-bottom:0; }
.ia-card--light{ background:var(--paper); }
.ia-cards--light{ background:var(--line); border-color:var(--line); }
.ia-card--light p{ color:var(--body); }
.ia-card--light .ia-card__kicker{ color:var(--bronze); }

/* ---------- checklist ---------- */
.ia-check li,.ia-cross li{
  position:relative; padding:13px 0 13px 30px; border-bottom:1px solid var(--line);
  font-size:15.5px; line-height:1.55;
}
.ia-dark .ia-check li,.ia-dark .ia-cross li{ border-color:var(--line-lt); }
.ia-check li::before{
  content:""; position:absolute; left:2px; top:21px; width:9px; height:5px;
  border-left:1.6px solid var(--bronze); border-bottom:1.6px solid var(--bronze);
  transform:rotate(-45deg);
}
.ia-cross li::before{
  content:"—"; position:absolute; left:0; top:13px; color:var(--muted); font-size:15px;
}
.ia-check li:last-child,.ia-cross li:last-child{ border-bottom:0; }

/* ---------- panel ---------- */
.ia-panel{ border:1px solid var(--line); padding:clamp(28px,3.4vw,44px); background:var(--paper); }
.ia-dark .ia-panel{ border-color:var(--line-lt); background:var(--ink-2); }
.ia-panel h3{ margin-bottom:18px; }
.ia-panel--bronze{ border-top:3px solid var(--bronze); }

/* ---------- service block ---------- */
.ia-svc{ border-top:1px solid var(--line); padding-block:clamp(38px,4.6vw,64px); }
.ia-svc:first-of-type{ border-top:0; padding-top:0; }
.ia-svc__head{ display:flex; gap:20px; align-items:flex-start; margin-bottom:8px; }
.ia-svc__no{ font-family:var(--sans); font-size:11.5px; font-weight:600; letter-spacing:.18em; color:var(--bronze); flex:none; padding-top:.85em; }
.ia-svc__grid{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:clamp(28px,4vw,56px); margin-top:26px; }
.ia-svc__col h4{ font-family:var(--sans); font-size:11.5px; font-weight:600; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); margin:0 0 12px; }
.ia-meta{ display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.ia-tag{
  font-size:12.5px; letter-spacing:.02em; color:var(--body);
  border:1px solid var(--line); border-radius:2px; padding:6px 12px; background:var(--paper);
}

/* ---------- quote band ---------- */
.ia-quote{ background:var(--ink); position:relative; overflow:hidden; }
.ia-quote__glow{ position:absolute; inset:0; background:radial-gradient(900px 420px at 50% 0%, rgba(168,118,59,.14), transparent 65%); pointer-events:none; }
.ia-quote blockquote{
  margin:0; font-family:var(--serif); font-weight:300; color:var(--paper);
  font-size:clamp(1.35rem,2.7vw,2.15rem); line-height:1.36; letter-spacing:-.02em;
  max-width:23ch;
}
.ia-quote cite{ display:block; margin-top:26px; font-family:var(--sans); font-style:normal; font-size:13px; letter-spacing:.14em; text-transform:uppercase; color:var(--bronze-lt); }

/* ---------- timeline / phases ---------- */
.ia-phase{ position:relative; padding:0 0 40px 34px; border-left:1px solid var(--line); }
.ia-dark .ia-phase{ border-color:var(--line-lt); }
.ia-phase:last-child{ padding-bottom:0; }
.ia-phase::before{
  content:""; position:absolute; left:-5px; top:6px; width:9px; height:9px;
  background:var(--bronze); border-radius:50%;
}
.ia-phase__label{ font-size:11.5px; font-weight:600; letter-spacing:.18em; text-transform:uppercase; color:var(--bronze); margin-bottom:10px; }
.ia-phase h3{ font-size:1.28rem; margin-bottom:10px; }
.ia-phase p{ font-size:15.5px; margin-bottom:0; }

/* ---------- contact rows ---------- */
.ia-crow{ display:flex; align-items:baseline; gap:18px; padding:20px 0; border-bottom:1px solid var(--line); }
.ia-dark .ia-crow{ border-color:var(--line-lt); }
.ia-crow dt{ flex:none; width:108px; font-size:11.5px; font-weight:600; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); }
.ia-crow dd{ margin:0; font-size:17px; color:var(--ink); }
.ia-dark .ia-crow dd{ color:var(--paper); }
.ia-crow dd a:hover{ color:var(--bronze); }

/* ---------- CTA band ---------- */
.ia-cta{ background:var(--paper-2); border-top:1px solid var(--line); }
.ia-cta__in{ display:grid; grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr); gap:clamp(28px,5vw,64px); align-items:center; }

/* ---------- footer ---------- */
.ia-ftr{ background:var(--ink); color:var(--muted-dk); padding-block:clamp(56px,6vw,80px) 0; }
.ia-ftr__top{ display:grid; grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr)); gap:clamp(28px,4vw,56px); padding-bottom:52px; }
.ia-ftr h4{ font-family:var(--sans); font-size:11.5px; font-weight:600; letter-spacing:.16em; text-transform:uppercase; color:var(--bronze-lt); margin:0 0 18px; }
.ia-ftr a{ color:var(--muted-dk); font-size:15px; transition:color .22s var(--ease); }
.ia-ftr a:hover{ color:var(--paper); }
.ia-ftr li{ margin-bottom:11px; }
.ia-ftr__logo{ font-family:var(--serif); font-size:23px; color:var(--paper); margin-bottom:16px; display:block; }
.ia-ftr__bot{
  border-top:1px solid rgba(255,255,255,.09); padding-block:26px 34px;
  display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between;
  font-size:13px; color:#6E7883;
}

/* ---------- reveal ---------- */
.ia-rv{ opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.ia-rv.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  .ia-rv{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .ia-nav,.ia-hdr .ia-btn{ display:none; }
  .ia-burger{ display:flex; }
  .ia-grid--2,.ia-grid--3,.ia-grid--split,.ia-cards,.ia-svc__grid,.ia-cta__in{ grid-template-columns:1fr; }
  .ia-stats__grid{ grid-template-columns:repeat(2,1fr); }
  .ia-stat{ border-left:0; padding-left:0; padding-block:26px; border-top:1px solid rgba(255,255,255,.08); }
  .ia-stat:nth-child(-n+2){ border-top:0; }
  .ia-stat:nth-child(even){ padding-left:26px; border-left:1px solid rgba(255,255,255,.08); }
  .ia-ftr__top{ grid-template-columns:1fr 1fr; }
  .ia-ftr__brand{ grid-column:1 / -1; }
  .ia-sticky{ position:static; }
  .ia-hero__arcs{ opacity:.2; right:-34%; }
}
@media (max-width:560px){
  body.ia{ font-size:16.5px; }
  .ia-stats__grid{ grid-template-columns:1fr; }
  .ia-stat:nth-child(even){ padding-left:0; border-left:0; }
  .ia-stat:nth-child(-n+2){ border-top:1px solid rgba(255,255,255,.08); }
  .ia-stat:first-child{ border-top:0; }
  .ia-ftr__top{ grid-template-columns:1fr; }
  .ia-btns .ia-btn{ width:100%; justify-content:center; }
  .ia-crow{ flex-direction:column; gap:6px; }
}