/* ============================================================
   NEXUS PROSPER — design tokens
   Ink (trust/tech) + brass (prosperity) + teal (growth)
   Display: Fraunces · Body: Inter · Data: IBM Plex Mono
   ============================================================ */

:root{
  --ink:        #0B1420;
  --ink-2:      #101C2E;
  --ink-3:      #16243A;
  --paper:      #F4F0E6;
  --paper-dim:  #C7C4BA;
  --muted:      #8B93A1;
  --brass:      #C9A227;
  --brass-soft: #E4C766;
  --teal:       #3E8F7C;
  --line:       rgba(244,240,230,0.12);
  --line-soft:  rgba(244,240,230,0.06);
  --danger:     #C4634B;

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --maxw: 1120px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg, canvas{ display:block; max-width:100%; }

a{ color: inherit; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}

h1, h2, h3{
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.08;
  margin: 0;
  color: var(--paper);
}

h1{ font-size: clamp(2.4rem, 5.4vw, 4.4rem); font-weight: 500; letter-spacing: -0.01em; }
h2{ font-size: clamp(1.7rem, 3.2vw, 2.6rem); font-weight: 500; }
h3{ font-size: 1.15rem; font-weight: 600; }

p{ margin: 0 0 1em; color: var(--paper-dim); max-width: 62ch; }
.lede{ font-size: 1.15rem; color: var(--paper); }

.num{ font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- nav ---------- */
.site-nav{
  position: sticky; top:0; z-index: 40;
  background: rgba(11,20,32,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.brand{
  font-family: var(--serif); font-size: 1.15rem; letter-spacing: 0.01em;
  text-decoration:none; color: var(--paper); display:flex; align-items:baseline; gap:8px;
}
.brand .dot{ color: var(--brass); }
.nav-links{ display:flex; gap: 28px; align-items:center; }
.nav-links a:not(.btn){
  text-decoration:none; color: var(--paper-dim); font-size: 0.92rem;
  transition: color .2s ease;
}
.nav-links a:not(.btn):hover{ color: var(--paper); }
.nav-links .btn{ margin-left: 4px; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--sans); font-weight: 600; font-size: 0.92rem;
  padding: 13px 24px; border-radius: var(--radius);
  text-decoration:none; border: 1px solid transparent;
  cursor:pointer; transition: transform .18s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--brass); color: var(--ink); }
.btn-primary:hover{ background: var(--brass-soft); }
.btn-ghost{ border-color: var(--line); color: var(--paper); background: transparent; }
.btn-ghost:hover{ border-color: var(--paper-dim); }
.btn-block{ width:100%; justify-content:center; }
.btn:disabled{ opacity:0.4; cursor:not-allowed; }
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, button:focus-visible{
  outline: 2px solid var(--brass); outline-offset: 3px;
}

/* ---------- hero ---------- */
.hero{
  position: relative;
  padding-top: clamp(64px, 12vh, 140px);
  padding-bottom: clamp(56px, 10vh, 110px);
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}
#nexus-canvas{
  position:absolute; inset:0; width:100%; height:100%;
  opacity: 0.55;
  pointer-events:none;
}
.hero .wrap{ position:relative; z-index:2; }
.hero-head{ max-width: 760px; }
.hero-head .eyebrow{ margin-bottom: 18px; }
.hero-head h1{ margin-bottom: 22px; }
.hero-head .lede{ max-width: 54ch; margin-bottom: 34px; }
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 56px;}

.hero-stats{
  display:grid; grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  max-width: 900px;
}
.hero-stats .stat{ background: var(--ink); padding: 20px 18px; }
.hero-stats .stat .num{ display:block; font-size: 1.7rem; color: var(--brass); margin-bottom: 4px; }
.hero-stats .stat .lbl{ font-size: 0.78rem; color: var(--muted); line-height:1.3; }

@media (max-width: 720px){
  .hero-stats{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}

/* ---------- section shell ---------- */
section{ padding: clamp(56px, 9vh, 110px) 0; }
.section-head{ max-width: 620px; margin-bottom: 48px; }
.section-head .eyebrow{ margin-bottom: 14px; }
.divider{ border:none; border-top: 1px solid var(--line-soft); margin:0; }

/* ---------- timeline (trajectory) ---------- */
.timeline{ position:relative; }
.timeline::before{
  content:""; position:absolute; left: 84px; top: 6px; bottom: 6px; width:1px;
  background: var(--line);
}
.t-item{
  position:relative; display:grid;
  grid-template-columns: 84px 1fr; gap: 28px;
  padding: 26px 0; border-bottom: 1px solid var(--line-soft);
}
.t-item:last-child{ border-bottom:none; }
.t-year{ font-family: var(--mono); font-size:0.85rem; color: var(--brass); position:relative; padding-right: 14px; text-align:right; }
.t-year::after{
  content:""; position:absolute; right:-4.5px; top:6px; width:9px; height:9px;
  border-radius:50%; background: var(--ink); border: 1.5px solid var(--brass);
}
.t-body h3{ margin-bottom: 8px; }
.t-body p{ margin-bottom: 10px; }
.t-tags{ display:flex; gap:8px; flex-wrap:wrap; }
.t-tags span{
  font-family: var(--mono); font-size:0.72rem; color: var(--teal);
  border:1px solid rgba(62,143,124,0.4); padding: 3px 8px; border-radius: 20px;
}
@media (max-width: 640px){
  .timeline::before{ left: 6px; }
  .t-item{ grid-template-columns: 14px 1fr; gap:16px; }
  .t-year{ display:none; }
  .t-item{ padding-left: 0; }
}

/* ---------- services ---------- */
.services{ display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1px; background: var(--line); border:1px solid var(--line); }
.service{ background: var(--ink); padding: 40px clamp(24px,3vw,44px); }
.service .eyebrow{ margin-bottom: 16px; }
.service h3{ font-size: 1.4rem; margin-bottom: 14px; }
.service p{ max-width: 46ch; }
.service .btn{ margin-top: 10px; }
@media (max-width: 780px){ .services{ grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */
.cta-band{
  background: var(--ink-2); border-top:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft);
}
.cta-band .wrap{ display:flex; align-items:center; justify-content:space-between; gap: 32px; flex-wrap:wrap; }
.cta-band h2{ max-width: 480px; margin-bottom: 10px; }
.cta-band p{ margin-bottom: 0; }
.cta-band-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---------- footer ---------- */
footer{ padding: 44px 0 56px; }
footer .wrap{ display:flex; justify-content:space-between; align-items:flex-start; gap: 24px; flex-wrap:wrap; }
footer .f-brand{ font-family: var(--serif); font-size:1.05rem; }
footer .f-meta{ font-family: var(--mono); font-size:0.78rem; color: var(--muted); line-height:1.8; }
footer a{ text-decoration:none; color: var(--paper-dim); }
footer a:hover{ color: var(--brass); }

/* ============================================================
   ASSESSMENT
   ============================================================ */
.assess-shell{
  max-width: 720px; margin: 0 auto;
}
.progress{
  display:flex; gap:6px; margin-bottom: 40px;
}
.progress i{
  flex:1; height:2px; background: var(--line); position:relative; overflow:hidden;
}
.progress i::after{
  content:""; position:absolute; inset:0; background: var(--brass);
  transform: scaleX(0); transform-origin:left; transition: transform .3s ease;
}
.progress i.done::after{ transform: scaleX(1); }
.progress i.current::after{ transform: scaleX(1); background: var(--brass-soft); }

.step{ display:none; }
.step.active{ display:block; animation: fadein .35s ease; }
@keyframes fadein{ from{opacity:0; transform: translateY(6px);} to{opacity:1; transform:none;} }

.step .step-no{ font-family: var(--mono); color: var(--brass); font-size:0.8rem; margin-bottom: 10px; }
.step h2{ margin-bottom: 8px; font-size: clamp(1.4rem, 3vw, 1.9rem); }
.step .step-hint{ margin-bottom: 28px; color: var(--muted); font-size: 0.92rem; }

.options{ display:grid; gap: 10px; margin-bottom: 8px; }
.option{
  display:flex; align-items:flex-start; gap: 14px;
  border:1px solid var(--line); padding: 16px 18px; cursor:pointer;
  transition: border-color .18s ease, background .18s ease;
}
.option:hover{ border-color: var(--paper-dim); }
.option input{ margin-top: 3px; accent-color: var(--brass); }
.option.selected{ border-color: var(--brass); background: rgba(201,162,39,0.06); }
.option .o-title{ font-weight: 600; color: var(--paper); font-size:0.96rem; }
.option .o-sub{ color: var(--muted); font-size: 0.84rem; margin-top: 2px; }

.field{ margin-bottom: 22px; }
.field label{ display:block; font-size: 0.85rem; color: var(--paper-dim); margin-bottom: 8px; }
.field input[type=text], .field input[type=email], .field input[type=tel], .field textarea{
  width:100%; background: var(--ink-2); border:1px solid var(--line); color: var(--paper);
  padding: 13px 14px; font-family: var(--sans); font-size: 0.96rem; border-radius: var(--radius);
}
.field textarea{ min-height: 110px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder{ color: var(--muted); }
.two-col{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px){ .two-col{ grid-template-columns: 1fr; } }

.step-actions{ display:flex; justify-content:space-between; align-items:center; margin-top: 34px; gap: 12px; }
.link-back{ background:none; border:none; color: var(--muted); font-family: var(--sans); font-size:0.88rem; cursor:pointer; padding: 8px 0; }
.link-back:hover{ color: var(--paper); }

.result{ text-align:left; }
.result .eyebrow{ margin-bottom: 14px; }
.result-card{
  border:1px solid var(--line); padding: 28px clamp(20px,3vw,36px); margin: 26px 0 30px;
  background: var(--ink-2);
}
.result-card h3{ color: var(--brass); margin-bottom: 10px; }
.hp{ display:none; }