/* ============================================================
   OMNIA Philosophy — Design System
   Warm cream paper · ink · single terracotta accent (ties to APA)
   Type: Newsreader (literary serif) + Jost (geometric sans, echoes wordmark)
   ============================================================ */

:root{
  /* paper & ink */
  --paper:    #F3EFE6;
  --paper-2:  #EBE5D8;   /* alt section bg */
  --card:     #FBF8F1;   /* warm white cards */
  --ink:      #211D17;   /* near-black warm */
  --ink-2:    #574F43;   /* body text */
  --ink-3:    #8B8170;   /* muted labels */
  --line:     #DCD4C4;   /* hairlines */
  --line-2:   #C9C0AC;

  /* accent */
  --clay:      #BC4A2B;
  --clay-deep: #97361C;
  --clay-soft: #E7C9B8;

  /* type */
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans:  "Jost", "Helvetica Neue", Arial, sans-serif;

  /* metrics */
  --maxw: 1240px;
  --gut: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(.22,.61,.36,1);
}

*{ box-sizing: border-box; }

html{ -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; }

/* ---------- layout helpers ---------- */
.wrap{ max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }
.wrap-narrow{ max-width: 860px; margin: 0 auto; padding-inline: var(--gut); }
section{ position: relative; }
.section{ padding-block: clamp(64px, 9vw, 128px); }
.section-tight{ padding-block: clamp(48px, 6vw, 88px); }
.bg-alt{ background: var(--paper-2); }
.bg-ink{ background: var(--ink); color: var(--paper); }
.bg-ink .muted{ color: #B7AE9D; }

/* ---------- type ---------- */
.eyebrow{
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before{
  content: "";
  width: 28px; height: 1px;
  background: var(--clay);
  display: inline-block;
}
.eyebrow.center{ justify-content: center; }
.eyebrow.plain::before{ display: none; }

h1,h2,h3,h4{ font-weight: 400; line-height: 1.08; margin: 0; letter-spacing: -0.01em; }

.display{
  font-size: clamp(44px, 6.6vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.022em;
  font-weight: 380;
}
.h2{ font-size: clamp(32px, 4.4vw, 56px); letter-spacing: -0.018em; }
.h3{ font-size: clamp(24px, 2.6vw, 34px); }
.h4{ font-size: clamp(20px, 2vw, 25px); }
.lede{
  font-size: clamp(20px, 2.1vw, 26px);
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 360;
}
.italic{ font-style: italic; }
em, .em{ font-style: italic; }
.body{ color: var(--ink-2); }
.body p{ margin: 0 0 1.1em; }
.body p:last-child{ margin-bottom: 0; }
.small{ font-size: 16px; }

/* kicker number / overline */
.serif-num{ font-family: var(--serif); }

/* ---------- buttons ---------- */
.btn{
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 15px 30px;
  border-radius: 999px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--clay); color: #fff; }
.btn-primary:hover{ background: var(--clay-deep); }
.btn-outline{ background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-outline:hover{ border-color: var(--ink); }
.btn-ghost{ background: transparent; color: var(--ink); padding-inline: 0; border-radius: 0; }
.btn-ghost .arrow{ transition: transform .2s ease; }
.btn-ghost:hover .arrow{ transform: translateX(5px); }
.btn-lg{ padding: 18px 38px; font-size: 17px; }
.on-ink.btn-outline{ color: var(--paper); border-color: rgba(255,255,255,.28); }
.on-ink.btn-outline:hover{ border-color: var(--paper); }

.arrow{ font-family: var(--sans); }

/* ---------- nav ---------- */
.nav{
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  max-width: var(--maxw); margin: 0 auto;
  padding: 16px var(--gut);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.brand{ display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--ink); }
.brand-mark{
  width: 42px; height: 42px; flex: none;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--card);
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
}
.brand-name{ font-family: var(--sans); font-weight: 500; font-size: 19px; letter-spacing: 0.04em; }
.brand-name .thin{ font-weight: 300; color: var(--ink-2); }
.nav-links{ display: flex; align-items: center; gap: 36px; }
.nav-links a{
  font-family: var(--sans); font-size: 16px; font-weight: 400;
  text-decoration: none; color: var(--ink-2); white-space: nowrap;
  transition: color .15s ease; position: relative; padding-block: 4px;
}
.nav-links a:hover{ color: var(--ink); }
.nav-links a.active{ color: var(--ink); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background: var(--clay);
}
.nav-cta{ display: flex; align-items: center; gap: 8px; }
.nav-toggle{ display:none; }

.nav-toggle{
  display:none; background:none; border:1px solid var(--line-2); border-radius: 999px;
  font-family: var(--sans); font-size: 14px; padding: 9px 16px; cursor:pointer; color: var(--ink);
  align-items:center; gap:8px;
}
.menu-panel{ display:none; }

@media (max-width: 880px){
  .nav-links{ display: none; }
  .nav-cta{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .menu-panel{
    display:block; border-bottom:1px solid var(--line); background: var(--paper);
    max-height:0; overflow:hidden; transition: max-height .3s ease;
  }
  .menu-panel[data-open]{ max-height: 420px; }
  .menu-panel .menu-inner{ padding: 8px var(--gut) 24px; display:flex; flex-direction:column; gap:4px; }
  .menu-panel a{
    font-family: var(--sans); font-size: 19px; text-decoration:none; color: var(--ink);
    padding: 12px 0; border-bottom: 1px solid var(--line);
  }
  .menu-panel .btn{ margin-top: 16px; justify-content:center; }
}

/* ---------- footer ---------- */
.footer{ background: var(--ink); color: var(--paper); padding-block: clamp(56px,7vw,88px) 36px; }
.footer a{ color: #CFC6B4; text-decoration: none; transition: color .15s ease; }
.footer a:hover{ color: #fff; }
.footer-grid{
  display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.14);
}
.footer h5{ font-family: var(--sans); font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: #968B78; margin: 0 0 18px; font-weight: 500; }
.footer ul{ list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-family: var(--sans); font-size: 16px; }
.footer-bottom{
  display:flex; justify-content: space-between; align-items: center; gap: 20px;
  padding-top: 28px; font-family: var(--sans); font-size: 14px; color: #968B78; flex-wrap: wrap;
}
.footer-brand-name{ font-family: var(--sans); font-size: 22px; letter-spacing: .04em; font-weight: 500; }
.footer-tag{ color:#CFC6B4; max-width: 34ch; margin-top: 14px; font-size: 17px; }

@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr 1fr; gap: 32px; } }

/* ---------- image slots ---------- */
image-slot{
  --is-bg: #E4DCCC;
  background: var(--paper-2);
  display: block;
}
.slot-cap{ font-family: var(--sans); font-size: 12.5px; letter-spacing: .04em; color: var(--ink-3); margin-top: 10px; }

/* ---------- misc components ---------- */
.rule{ height:1px; background: var(--line); border:0; margin:0; }
.chip{
  font-family: var(--sans); font-size: 13px; letter-spacing: .04em;
  border: 1px solid var(--line-2); border-radius: 999px; padding: 7px 16px;
  color: var(--ink-2); display:inline-flex; align-items:center; gap:8px; background: var(--card);
}
.dot{ width:6px; height:6px; border-radius:50%; background: var(--clay); display:inline-block; }

.tag-link{
  font-family: var(--sans); font-size: 16px; text-decoration: none; color: var(--ink);
  display:inline-flex; align-items:center; gap: 10px;
}
.tag-link .arrow{ color: var(--clay); transition: transform .2s ease; }
.tag-link:hover .arrow{ transform: translateX(4px); }

/* ---------- motion system (JS-gated so content is never hidden without JS) ---------- */
.nav{ transition: box-shadow .35s var(--ease), background .35s var(--ease); }
.nav.scrolled{
  background: color-mix(in srgb, var(--paper) 95%, transparent);
  box-shadow: 0 10px 34px -28px rgba(33,29,23,.7);
}

html.js .reveal{
  opacity:0; transform: translateY(22px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
html.js .reveal.in{ opacity:1; transform:none; }

/* drawing hairline under metric / reach cards */
html.js .metric, html.js .reach{ border-top-color: transparent; position: relative; }
html.js .metric::before, html.js .reach::before{
  content:""; position:absolute; left:0; right:0; top:0; height:2px;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform 1s var(--ease);
}
html.js .metric-row.in .metric::before,
html.js .reach.in::before{ transform: scaleX(1); }
html.js .metric-row.in .metric:nth-child(2)::before{ transition-delay:.1s; }
html.js .metric-row.in .metric:nth-child(3)::before{ transition-delay:.2s; }
html.js .metric-row.in .metric:nth-child(4)::before{ transition-delay:.3s; }

/* count-up suffix sizing wherever it appears */
.reach-num .u, .dt-num .u{ font-size:.5em; letter-spacing:0; }
.count-soft{ font-variant-numeric: tabular-nums; }

@media (prefers-reduced-motion: reduce){
  html.js .reveal{ opacity:1; transform:none; transition:none; }
  html.js .metric::before, html.js .reach::before{ transform:none; transition:none; }
  html.js .metric, html.js .reach{ border-top-color: var(--ink); }
  .nav{ transition:none; }
  html{ scroll-behavior:auto; }
}

/* ---------- partner / credibility bar ---------- */
.partners{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.partners-label{
  font-family:var(--sans); font-size:12.5px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ink-3); text-align:center; margin:0 0 26px;
}
.partners-row{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:center;
  gap: clamp(28px,5vw,68px); row-gap: 28px;
}
.partner-logo{
  font-family:var(--serif); font-size: clamp(16px,1.7vw,19px); color:var(--ink); letter-spacing:.01em;
  text-align:center; line-height:1.18; opacity:.9; white-space:nowrap;
}
.partner-logo small{
  display:block; font-family:var(--sans); font-size:10.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink-3); margin-top:5px; font-weight:500;
}

/* ---------- hard metrics ---------- */
.metric-row{ display:grid; grid-template-columns:repeat(4,1fr); gap: clamp(22px,3vw,44px); }
.metric{ border-top:2px solid var(--ink); padding-top:18px; }
.metric-num{ font-family:var(--serif); font-size:clamp(42px,4.8vw,68px); line-height:.92; letter-spacing:-.022em; }
.metric-num .u{ font-size:.5em; vertical-align:baseline; letter-spacing:0; }
.metric-label{ font-family:var(--sans); font-size:15px; line-height:1.4; color:var(--ink); margin-top:16px; max-width:24ch; }
.metric-src{ font-family:var(--sans); font-size:12.5px; line-height:1.45; color:var(--ink-3); margin-top:9px; max-width:26ch; }
@media (max-width:880px){ .metric-row{ grid-template-columns:1fr 1fr; gap:34px 26px; } }
@media (max-width:520px){ .metric-row{ grid-template-columns:1fr; } }