/* ============================================================
   AVENTRAC — brand tokens
   ============================================================ */
:root{
  --ink:        #1B1330;   /* near-black purple — primary text, dark surfaces */
  --purple-deep:#2E1854;   /* deep purple — gradients, dark panels */
  --purple:     #4B2A82;   /* brand purple — from crest */
  --purple-mid: #6B45A8;   /* mid purple — hovers, secondary accents */
  --lilac:      #9B7FC4;   /* light accent — links, small marks */
  --tint:       #F1ECFA;   /* pale lavender — section backgrounds */
  --paper:      #FAF9FC;   /* main background */
  --paper-warm: #FFFFFF;
  --ink-soft:   #55506A;   /* body copy */
  --ink-faint:  #8A84A0;   /* captions, meta */
  --line:       #E3DCF2;   /* hairlines */

  --display: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --body:    "Inter", -apple-system, "Segoe UI", sans-serif;
  --mono:    "JetBrains Mono", "SFMono-Regular", Menlo, monospace;

  --container: 1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:600;
  color:var(--ink);
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--purple);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:16px;
  height:1px;
  background:var(--purple);
  display:inline-block;
}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(250,249,252,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:78px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:40px; width:auto; }
.brand span{
  font-family:var(--display);
  font-weight:600;
  font-size:19px;
  letter-spacing:.06em;
  color:var(--ink);
}
.nav-links{ display:flex; align-items:center; gap:36px; }
.nav-links a{
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-soft);
  transition:color .15s ease;
}
.nav-links a:hover{ color:var(--purple); }
.nav-links a.current{ color:var(--purple); }
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 22px;
  border-radius:3px;
  font-size:14px; font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .18s ease;
}
.btn-primary{ background:var(--ink); color:var(--paper-warm); }
.btn-primary:hover{ background:var(--purple); }
.btn-ghost{ border-color:var(--ink); color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--paper-warm); }
.btn-light{ border-color:rgba(255,255,255,.5); color:#fff; }
.btn-light:hover{ background:#fff; color:var(--ink); }

.mobile-toggle{
  display:none;
  background:none; border:none; cursor:pointer;
  width:36px; height:36px;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.mobile-toggle span{ width:22px; height:2px; background:var(--ink); display:block; }

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(75,42,130,.16), transparent 55%),
    var(--paper);
  border-bottom:1px solid var(--line);
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;
  align-items:center;
  padding-top:88px;
  padding-bottom:88px;
}
.hero h1{
  font-size:clamp(38px,4.6vw,60px);
  line-height:1.06;
  margin:18px 0 22px;
}
.hero h1 em{
  font-style:italic;
  color:var(--purple);
}
.hero p.lead{
  font-size:18px;
  color:var(--ink-soft);
  max-width:46ch;
  margin:0 0 34px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.hero-mark{
  position:relative;
  display:flex; align-items:center; justify-content:center;
}
.hero-mark::before{
  content:"";
  position:absolute;
  width:420px; height:420px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(75,42,130,.14), transparent 70%);
}
.hero-mark img{
  width:min(340px,90%);
  filter:drop-shadow(0 30px 50px rgba(27,19,48,.18));
  position:relative;
}

/* ---------- section scaffolding ---------- */
section{ padding:96px 0; }
.section-tint{ background:var(--tint); }
.section-ink{ background:var(--ink); color:#EFEAF8; }
.section-ink h2, .section-ink h3{ color:#fff; }
.section-head{
  max-width:640px;
  margin-bottom:52px;
}
.section-head h2{ font-size:clamp(28px,3vw,38px); margin-top:14px; }
.section-head p{ color:var(--ink-soft); font-size:16.5px; }
.section-ink .section-head p{ color:#C9BEE0; }

/* ---------- pillars ---------- */
.pillars{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.pillar{
  background:var(--paper-warm);
  padding:40px 34px;
  transition:background .2s ease;
}
.pillar:hover{ background:var(--tint); }
.pillar .mark{
  width:44px; height:44px;
  border:1.5px solid var(--purple);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:24px;
  color:var(--purple);
}
.pillar h3{ font-size:20px; margin-bottom:10px; }
.pillar p{ color:var(--ink-soft); font-size:15px; margin:0 0 18px; }
.pillar a{ font-size:13.5px; font-weight:600; color:var(--purple); }
.pillar a::after{ content:" →"; }

/* ---------- article cards ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
}
.card{
  background:var(--paper-warm);
  border:1px solid var(--line);
  border-radius:4px;
  overflow:hidden;
  display:flex; flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:0 20px 40px rgba(46,24,84,.10);
}
.card-body{ padding:26px 26px 30px; display:flex; flex-direction:column; flex:1; }
.tag{
  align-self:flex-start;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--purple);
  background:var(--tint);
  border:1px solid var(--line);
  border-radius:20px;
  padding:5px 12px;
  margin-bottom:16px;
}
.card h3{ font-size:19px; line-height:1.32; margin-bottom:10px; }
.card p{ color:var(--ink-soft); font-size:14.5px; margin:0 0 18px; flex:1; }
.card .meta{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-faint);
  border-top:1px solid var(--line);
  padding-top:14px;
}

/* ---------- category strip ---------- */
.cat-strip{
  display:flex; flex-wrap:wrap; gap:10px;
}
.cat-chip{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.04em;
  padding:9px 16px;
  border:1px solid var(--line);
  border-radius:20px;
  color:var(--ink-soft);
  background:var(--paper-warm);
}

/* ---------- founder / about strip ---------- */
.about-split{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:64px;
  align-items:center;
}
.seal{
  width:180px; height:180px;
  border-radius:50%;
  border:1.5px solid var(--lilac);
  display:flex; align-items:center; justify-content:center;
  position:relative;
}
.seal::before{
  content:"";
  position:absolute; inset:12px;
  border:1px solid rgba(155,127,196,.5);
  border-radius:50%;
}
.seal img{ width:88px; }

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg, var(--ink), var(--purple-deep));
  color:#fff;
  border-radius:6px;
  padding:64px 60px;
  display:flex; align-items:center; justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-band h2{ color:#fff; font-size:30px; max-width:20ch; margin:0; }
.cta-band p{ color:#C9BEE0; margin:10px 0 0; }

/* ---------- footer ---------- */
footer{
  background:var(--ink);
  color:#B8AFCF;
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.footer-brand img{ height:32px; }
.footer-brand span{ font-family:var(--display); color:#fff; font-size:17px; letter-spacing:.05em; }
footer p.tagline{ font-size:14px; max-width:34ch; color:#9E93BC; }
footer h4{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:#fff;
  margin-bottom:16px;
}
footer ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px; }
footer a{ font-size:14px; color:#B8AFCF; transition:color .15s; }
footer a:hover{ color:#fff; }
.footer-bottom{
  padding-top:28px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:13px; color:#786C99;
}

/* ---------- form ---------- */
.form-card{
  background:var(--paper-warm);
  border:1px solid var(--line);
  border-radius:6px;
  padding:44px;
}
.field{ margin-bottom:20px; }
.field label{
  display:block;
  font-size:13px; font-weight:600;
  margin-bottom:8px;
  color:var(--ink);
}
.field input, .field select, .field textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:3px;
  font-family:var(--body);
  font-size:14.5px;
  background:var(--paper);
  color:var(--ink);
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--purple-mid);
  outline-offset:1px;
}

/* ---------- reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- misc page header ---------- */
.page-hero{
  padding:72px 0 56px;
  border-bottom:1px solid var(--line);
  background:var(--tint);
}
.page-hero h1{ font-size:clamp(32px,4vw,46px); }
.page-hero p{ color:var(--ink-soft); font-size:17px; max-width:60ch; margin-top:14px; }

/* ---------- contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1.3fr;
  gap:56px;
  align-items:flex-start;
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .nav-links{ display:none; }
  .nav-links.mobile-open{
    display:flex; flex-direction:column;
    position:absolute; top:78px; left:0; right:0;
    background:var(--paper-warm);
    border-bottom:1px solid var(--line);
    padding:20px 32px 28px;
    gap:20px;
  }
  .mobile-toggle{ display:flex; }
  .hero .wrap{ grid-template-columns:1fr; padding-top:56px; padding-bottom:56px; }
  .hero-mark{ order:-1; }
  .hero-mark img{ width:220px; }
  .pillars{ grid-template-columns:1fr; }
  .card-grid{ grid-template-columns:1fr; }
  .about-split{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  section{ padding:64px 0; }
  .cta-band{ padding:44px 30px; }
}
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}