/* AlphaRaise — shared design system
   Reference: Adams Street Partners. Deliberately single-theme (light/near-black
   editorial system, not adapted to OS dark mode) — the brand system is fixed. */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --ink:#0A0E1A;
  --paper:#FFFFFF;
  --paper-warm:#F5F4F1;
  --accent:#1E3FD0;
  --accent-dim:#1733A6;
  --text:#1A1A1A;
  --text-soft:#6B6B6B;
  --text-on-dark:#F2F2F0;
  --text-on-dark-soft:#B8B8B8;
  --line:#E4E2DC;
  --line-on-dark:#2B2B2B;
  --serif:'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
.container{
  max-width:1160px;
  margin:0 auto;
  padding-inline:24px;
}
@media (max-width:640px){
  .container{padding-inline:20px;}
}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.12;
  margin:0;
  text-wrap:balance;
}
h1{font-size:clamp(2.4rem,5vw,3.9rem); font-weight:500;}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);}
h3{font-size:1.3rem;}
p{margin:0;}
.lede{font-size:1.2rem; color:var(--text-soft); line-height:1.55; max-width:46ch;}
.eyebrow{
  font-family:var(--sans);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
}
.eyebrow.on-dark{color:#8FA0FF;}

.rule-dotted{
  border:none;
  border-top:1px dotted var(--line);
  margin:0;
}

/* ---------- Nav ---------- */
.site-nav{
  position:sticky; top:0; z-index:50;
  background:var(--ink);
  border-bottom:1px solid var(--line-on-dark);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  max-width:1160px; margin:0 auto; padding:16px 24px;
}
.nav-logo{
  font-family:var(--sans); font-weight:800; font-size:1.02rem;
  color:var(--text-on-dark); text-decoration:none; letter-spacing:.09em;
  text-transform:uppercase;
}
.nav-logo span{color:var(--accent);}
.nav-links{
  display:flex; gap:28px; list-style:none; margin:0; padding:0;
  font-size:.9rem; font-weight:500;
}
.nav-links a{
  text-decoration:none; color:var(--text-on-dark-soft);
  padding-bottom:4px; border-bottom:2px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.nav-links a:hover{color:var(--text-on-dark);}
.nav-links a[aria-current="page"]{
  color:var(--text-on-dark); border-bottom-color:var(--accent);
}
.nav-cta{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--accent); color:#fff; text-decoration:none;
  font-size:.86rem; font-weight:600; padding:10px 18px; border-radius:2px;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--accent-dim);}
.nav-toggle{display:none;}

@media (max-width:860px){
  .nav-links{display:none;}
  .nav-toggle{
    display:inline-flex; background:none; border:1px solid var(--line-on-dark);
    color:var(--text-on-dark); padding:8px 12px; border-radius:2px; font-size:.85rem;
  }
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--sans); font-weight:600; font-size:.95rem;
  padding:13px 24px; border-radius:2px; text-decoration:none;
  border:1px solid transparent; cursor:pointer;
}
.btn-primary{background:var(--accent); color:#fff;}
.btn-primary:hover{background:var(--accent-dim);}
.btn-ghost-dark{color:var(--text-on-dark); border-color:#3A3A3A;}
.btn-ghost-dark:hover{border-color:var(--text-on-dark);}
.btn-ghost-light{color:var(--text); border-color:var(--line);}
.btn-ghost-light:hover{border-color:var(--text);}
.btn-arrow::after{content:"→"; font-size:1em;}
.btn-row{display:flex; gap:14px; flex-wrap:wrap; align-items:center;}

/* ---------- Sections ---------- */
.section{padding-block:96px;}
.section-tight{padding-block:64px;}
@media (max-width:640px){
  .section{padding-block:64px;}
  .section-tight{padding-block:44px;}
}
.bg-white{background:var(--paper);}
.bg-warm{background:var(--paper-warm);}
.bg-ink{background:var(--ink); color:var(--text-on-dark);}
.bg-accent{background:var(--accent); color:#fff;}

.section-head{
  display:flex; flex-direction:column; gap:14px; margin-bottom:48px;
  max-width:720px;
}
.section-head.center{margin-inline:auto; text-align:center; align-items:center;}

/* ---------- Hero ---------- */
.hero{
  background:var(--ink); color:var(--text-on-dark);
  padding-block:88px 72px;
  position:relative;
  overflow:hidden;
}
.hero-inner{
  max-width:1160px; margin:0 auto; padding-inline:24px;
  display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center;
}
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr; gap:44px;}
}
.hero h1{color:var(--text-on-dark); font-size:clamp(2.1rem,4.6vw,3.5rem); margin-top:16px;}
.hero .lede{color:var(--text-on-dark-soft); margin-top:20px; font-size:1.15rem;}
.stage-pill{
  display:block;
  color:#8FA0FF; font-size:.76rem; font-weight:600; letter-spacing:.09em;
  text-transform:uppercase; margin-bottom:16px;
}
.hero-art{width:100%; height:auto;}

/* ---------- Cards / grids ---------- */
.grid{display:grid; gap:32px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:860px){
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr;}
}

.feature{
  display:flex; flex-direction:column; gap:14px;
  padding-top:24px; border-top:1px solid var(--line);
}
.bg-ink .feature{border-top-color:var(--line-on-dark);}
.feature .icon{color:var(--accent); width:34px; height:34px;}
.bg-ink .feature .icon{color:#6C82FF;}
.feature h3{font-size:1.12rem;}
.feature p{color:var(--text-soft); font-size:.98rem; line-height:1.55;}
.bg-ink .feature p{color:var(--text-on-dark-soft);}

.card{
  background:var(--paper); border:1px solid var(--line);
  padding:30px; display:flex; flex-direction:column; gap:14px;
}
.card h3{font-size:1.2rem;}
.card p{color:var(--text-soft); font-size:.98rem;}
.card .cta-link{
  margin-top:auto; font-size:.9rem; font-weight:600; color:var(--accent);
  text-decoration:none;
}

/* ---------- Stats ---------- */
.stat{display:flex; flex-direction:column; gap:6px;}
.stat .num{font-family:var(--serif); font-size:2.1rem; font-weight:600;}
.stat .label{font-size:.82rem; color:var(--text-on-dark-soft); letter-spacing:.02em;}

/* ---------- Pull quote ---------- */
.pullquote{
  background:var(--accent); color:#fff; padding-block:72px;
}
.pullquote blockquote{
  margin:0; max-width:820px;
  font-family:var(--serif); font-style:italic; font-weight:500;
  font-size:clamp(1.4rem,3vw,2.1rem); line-height:1.4;
  border-left:2px solid rgba(255,255,255,.5); padding-left:28px;
}
.pullquote .attrib{margin-top:22px; font-size:.9rem; color:rgba(255,255,255,.8); font-style:normal; font-family:var(--sans);}

/* ---------- Step list ---------- */
.steps{display:flex; flex-direction:column;}
.step{
  display:grid; grid-template-columns:64px 1fr; gap:24px;
  padding-block:28px; border-top:1px dotted var(--line);
}
.step:last-child{border-bottom:1px dotted var(--line);}
.step .idx{font-family:var(--serif); font-size:1.3rem; color:var(--accent);}
.step h3{margin-bottom:8px;}
.step p{color:var(--text-soft);}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;}
table{width:100%; border-collapse:collapse; font-size:.95rem;}
th,td{text-align:left; padding:14px 16px; border-bottom:1px solid var(--line); vertical-align:top;}
th{font-family:var(--sans); font-weight:600; color:var(--text-soft); font-size:.8rem; letter-spacing:.04em; text-transform:uppercase;}
.tag{
  display:inline-block; font-size:.72rem; font-weight:600; letter-spacing:.03em;
  padding:3px 9px; border-radius:100px; text-transform:uppercase;
}
.tag-live{background:#E7ECFF; color:var(--accent-dim);}
.tag-roadmap{background:#F0EEE8; color:var(--text-soft);}

/* ---------- Pricing ---------- */
.price-card{
  border:1px solid var(--line); padding:30px; display:flex; flex-direction:column; gap:18px;
  background:var(--paper);
}
.price-card.featured{border-color:var(--accent); box-shadow:inset 0 0 0 1px var(--accent);}
.price-card .tier{font-family:var(--serif); font-size:1.3rem;}
.price-card .amount{font-family:var(--serif); font-size:2.2rem; font-weight:600;}
.price-card .amount small{font-family:var(--sans); font-size:.85rem; font-weight:500; color:var(--text-soft);}
.price-card ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; font-size:.92rem; color:var(--text-soft);}
.price-card li::before{content:"—"; margin-right:8px; color:var(--accent);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink); color:var(--text-on-dark-soft); padding-block:56px 32px;}
.footer-top{
  display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap;
  padding-bottom:36px; border-bottom:1px solid var(--line-on-dark);
}
.footer-tag{font-family:var(--serif); font-size:1.3rem; color:var(--text-on-dark); max-width:320px;}
.footer-links{display:flex; gap:36px; flex-wrap:wrap;}
.footer-links ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; font-size:.9rem;}
.footer-links a{text-decoration:none; color:var(--text-on-dark-soft);}
.footer-links a:hover{color:var(--text-on-dark);}
.footer-bottom{
  display:flex; justify-content:flex-end; gap:16px; flex-wrap:wrap;
  padding-top:24px; font-size:.82rem;
}

/* ---------- Form ---------- */
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:20px;}
@media (max-width:640px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex; flex-direction:column; gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:.85rem; font-weight:600; color:var(--text);}
.field input, .field select, .field textarea{
  font-family:var(--sans); font-size:.98rem; padding:12px 14px;
  border:1px solid var(--line); background:var(--paper); color:var(--text);
}
.field textarea{resize:vertical; min-height:110px;}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--accent); outline-offset:1px; border-color:var(--accent);
}

/* ---------- Misc ---------- */
.boundary{
  display:flex; align-items:center; gap:18px; padding:20px 0;
}
.divider-blue{height:2px; background:var(--accent); width:48px;}
.todo{display:none;}
.back-to-top{
  display:none; position:fixed; bottom:28px; right:28px; z-index:60;
  width:46px; height:46px; border-radius:50%; background:var(--accent);
  color:#fff; align-items:center; justify-content:center; border:none;
  cursor:pointer; font-size:1.1rem; box-shadow:0 6px 18px rgba(0,0,0,.25);
}
/* ---------- Diagram utility classes ---------- */
.viz-accent{stroke:var(--accent);}
.viz-accent-fill{fill:var(--accent);}
.viz-dim{stroke:#3A3A3A;}
.viz-dim-fill{fill:#3A3A3A;}
.viz-line{stroke:#D8D5CC;}
.viz-line-fill{fill:#D8D5CC;}
.viz-ink-text{fill:var(--text-on-dark-soft); font-family:var(--sans); font-size:11px;}
.viz-text{fill:var(--text-soft); font-family:var(--sans); font-size:11px;}
.viz-mono{fill:var(--text); font-family:var(--sans); font-size:11px;}

.small-caps{
  font-family:var(--sans); font-size:.72rem; letter-spacing:.16em;
  text-transform:uppercase; color:var(--text-on-dark-soft);
}