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

/* =========================================================
   RISEX — DESIGN TOKENS
   Concept: "the ledger and the forecast" — a financial
   instrument's precision (grid, mono figures, hairlines)
   meeting an AI system's confidence interval (soft dotted
   projections, a single rising-emerald signal color).
   ========================================================= */
:root{
  --ink:        #0E1420;   /* primary dark bg / primary text on paper */
  --ink-soft:   #1A2333;   /* secondary dark surface */
  --paper:      #F6F5F0;   /* light bg */
  --paper-dim:  #EEEBE2;   /* light bg secondary */
  --card:       #FFFFFF;
  --line:       #DAD6C9;   /* hairline on paper */
  --line-dark:  #2B3548;   /* hairline on ink */
  --slate:      #5B6472;   /* secondary text on paper */
  --slate-dim:  #8B93A6;   /* secondary text on ink */
  --rise:       #1F7A5C;   /* signal emerald — "rise" */
  --rise-bright:#2FA37B;
  --rise-dim:   #16493A;
  --gold:       #B08A45;   /* data / highlight accent, sparing */
  --danger:     #A4442C;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, Segoe UI, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --maxw: 1180px;
  --radius: 4px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

img,svg{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display); font-weight:600; margin:0 0 .5em; letter-spacing:-0.01em;}
p{margin:0 0 1em;}
.container{max-width:var(--maxw); margin:0 auto; padding:0 32px;}
@media (max-width:640px){.container{padding:0 20px;}}

/* ---------- Eyebrow / labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--rise);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:16px;height:1px;
  background:var(--rise);
  display:inline-block;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:15px;
  padding:13px 24px;
  border-radius:2px;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .12s ease;
}
.btn-primary{background:var(--rise); color:#F7FBF9; border-color:var(--rise);}
.btn-primary:hover{background:var(--rise-bright); border-color:var(--rise-bright); transform:translateY(-1px);}
.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-on-dark{background:transparent; color:var(--paper); border-color:var(--line-dark);}
.btn-on-dark:hover{border-color:var(--rise-bright); color:var(--rise-bright);}
.btn-sm{padding:9px 16px; font-size:13px;}

/* ---------- Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(246,245,240,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-display); font-weight:700; font-size:21px;
  text-decoration:none; color:var(--ink);
}
.logo .mark{width:26px; height:26px; flex:none;}
.logo .x{color:var(--rise);}
.nav-links{
  display:flex; gap:34px; list-style:none; margin:0; padding:0;
  font-size:14.5px; font-weight:500;
}
.nav-links a{text-decoration:none; color:var(--slate); transition:color .15s;}
.nav-links a:hover, .nav-links a[aria-current="page"]{color:var(--ink);}
.nav-actions{display:flex; align-items:center; gap:14px;}
.nav-toggle{display:none; background:none; border:none; cursor:pointer; padding:8px;}
.nav-toggle span{display:block; width:22px; height:2px; background:var(--ink); margin:5px 0;}

@media (max-width:900px){
  .nav-links{
    position:fixed; inset:76px 0 0 0; background:var(--paper);
    flex-direction:column; padding:32px; gap:22px; font-size:18px;
    transform:translateX(100%); transition:transform .25s ease; overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-toggle{display:block;}
  .nav-actions .btn-ghost{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  padding:76px 0 96px;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr .95fr; gap:64px; align-items:center;
}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr; gap:48px;}}
.hero h1{font-size:clamp(2.1rem, 4vw, 3.4rem); line-height:1.05;}
.hero-sub{font-size:18px; color:var(--slate); max-width:46ch; margin-bottom:28px;}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:28px;}
.hero-note{font-family:var(--font-mono); font-size:12.5px; color:var(--slate); letter-spacing:.02em;}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{padding:56px 0 48px; border-bottom:1px solid var(--line); background:var(--paper);}
.page-hero h1{font-size:clamp(1.9rem, 3.4vw, 2.7rem);}
.page-hero .lede{font-size:17px; color:var(--slate); max-width:62ch;}

/* ---------- Sections ---------- */
section{padding:88px 0;}
.section-dark{background:var(--ink); color:var(--paper);}
.section-dark .eyebrow{color:var(--rise-bright);}
.section-dim{background:var(--paper-dim);}
.section-tight{padding:56px 0;}
.section-head{max-width:640px; margin-bottom:52px;}
.section-head h2{font-size:clamp(1.6rem, 2.6vw, 2.3rem);}
.section-head p{color:var(--slate); font-size:16.5px;}
.section-dark .section-head p{color:var(--slate-dim);}

hr.hairline{border:none; border-top:1px solid var(--line); margin:0;}

/* ---------- Logo strip ---------- */
.logo-strip{
  display:flex; flex-wrap:wrap; gap:40px; align-items:center; justify-content:space-between;
  padding:28px 0; font-family:var(--font-mono); font-size:13px; letter-spacing:.08em;
  color:var(--slate); text-transform:uppercase;
}

/* ---------- Feature grid ---------- */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line);}
@media (max-width:760px){.grid-3{grid-template-columns:1fr;} .grid-2{grid-template-columns:1fr;}}
.feature-card{background:var(--paper); padding:36px 32px;}
.section-dark .feature-card{background:var(--ink);}
.feature-num{font-family:var(--font-mono); font-size:13px; color:var(--rise); margin-bottom:18px; display:block;}
.feature-card h3{font-size:20px; margin-bottom:10px;}
.feature-card p{color:var(--slate); font-size:15px; margin-bottom:0;}
.section-dark .feature-card p{color:var(--slate-dim);}

/* ---------- Ledger chart signature ---------- */
.ledger-card{
  background:var(--ink); border-radius:6px; padding:28px 26px 22px;
  border:1px solid var(--line-dark);
}
.ledger-head{display:flex; justify-content:space-between; align-items:baseline; margin-bottom:6px;}
.ledger-head .lbl{font-family:var(--font-mono); font-size:12px; color:var(--slate-dim); letter-spacing:.08em; text-transform:uppercase;}
.ledger-head .val{font-family:var(--font-mono); font-size:22px; color:var(--paper); font-weight:600;}
.ledger-head .delta{font-family:var(--font-mono); font-size:12.5px; color:var(--rise-bright);}

/* ---------- Stat row ---------- */
.stat-row{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:760px){.stat-row{grid-template-columns:repeat(2,1fr);}}
.stat{background:var(--paper); padding:26px 24px;}
.stat .n{font-family:var(--font-mono); font-size:30px; font-weight:600; color:var(--ink);}
.stat .l{font-size:13px; color:var(--slate); margin-top:4px;}

/* ---------- Steps ---------- */
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:40px;}
@media (max-width:760px){.steps{grid-template-columns:1fr;}}
.step .idx{font-family:var(--font-mono); font-size:13px; color:var(--rise); border-bottom:1px solid var(--line); padding-bottom:14px; margin-bottom:16px; display:block;}
.step h3{font-size:19px;}
.step p{color:var(--slate); font-size:15px;}

/* ---------- Cards / pricing ---------- */
.pricing-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
@media (max-width:900px){.pricing-grid{grid-template-columns:1fr; max-width:440px; margin:0 auto;}}
.price-card{
  border:1px solid var(--line); background:var(--card); padding:34px 28px; display:flex; flex-direction:column;
  border-radius:6px;
}
.price-card.featured{border-color:var(--rise); box-shadow:0 0 0 1px var(--rise);}
.price-card .tier{font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.1em; color:var(--slate); margin-bottom:12px;}
.price-card .amount{font-family:var(--font-display); font-size:40px; font-weight:600; margin-bottom:2px;}
.price-card .amount span{font-family:var(--font-mono); font-size:14px; color:var(--slate); font-weight:400;}
.price-card .desc{color:var(--slate); font-size:14.5px; margin-bottom:22px;}
.price-card ul{list-style:none; padding:0; margin:0 0 26px; flex:1;}
.price-card li{
  font-size:14.5px; padding:9px 0; border-top:1px solid var(--line); color:var(--ink);
  display:flex; gap:10px;
}
.price-card li:first-child{border-top:none;}
.price-card li::before{content:"—"; color:var(--rise); flex:none;}
.badge{
  display:inline-block; font-family:var(--font-mono); font-size:11px; letter-spacing:.08em;
  background:var(--rise); color:#fff; padding:4px 9px; border-radius:2px; margin-bottom:14px; text-transform:uppercase;
}

/* ---------- Testimonial / quote ---------- */
.quote-block{max-width:760px;}
.quote-block blockquote{
  font-family:var(--font-display); font-style:italic; font-size:clamp(1.3rem,2.4vw,1.7rem);
  line-height:1.4; margin:0 0 22px; font-weight:500;
}
.quote-block cite{font-style:normal; font-size:14px; color:var(--slate); display:block;}
.quote-block cite b{color:var(--ink); font-weight:600;}

/* ---------- FAQ ---------- */
.faq-item{border-top:1px solid var(--line); padding:26px 0;}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  cursor:pointer; font-weight:600; font-size:16.5px; list-style:none; position:relative; padding-right:30px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+"; position:absolute; right:0; top:0; font-family:var(--font-mono); font-size:20px; color:var(--rise);
}
.faq-item[open] summary::after{content:"–";}
.faq-item p{color:var(--slate); margin-top:14px; font-size:15px; max-width:70ch;}

/* ---------- Form ---------- */
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
@media (max-width:640px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex; flex-direction:column; gap:7px; margin-bottom:18px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px; font-weight:600; color:var(--ink);}
.field input, .field select, .field textarea{
  font-family:var(--font-body); font-size:15px; padding:12px 14px;
  border:1px solid var(--line); border-radius:3px; background:var(--card); color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--rise); outline-offset:1px; border-color:var(--rise);
}
.field textarea{resize:vertical; min-height:120px;}
.form-note{font-size:12.5px; color:var(--slate); margin-top:6px;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink); color:var(--paper); border-radius:8px; padding:56px 48px;
  display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
}
.cta-band h2{margin-bottom:6px; font-size:clamp(1.5rem,2.4vw,2rem); color:var(--paper);}
.cta-band p{color:var(--slate-dim); margin:0; max-width:44ch;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink); color:var(--slate-dim); padding:64px 0 28px; font-size:14px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr 1fr; gap:32px; padding-bottom:44px;}
@media (max-width:900px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{color:var(--paper); font-family:var(--font-mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; margin-bottom:16px; font-weight:600;}
.footer-grid ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px;}
.footer-grid a{text-decoration:none; color:var(--slate-dim); transition:color .15s;}
.footer-grid a:hover{color:var(--paper);}
.footer-brand .logo{color:var(--paper); margin-bottom:14px;}
.footer-brand p{max-width:34ch; color:var(--slate-dim); font-size:13.5px;}
.footer-bottom{
  border-top:1px solid var(--line-dark); padding-top:26px;
  display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; font-size:12.5px;
}
.footer-bottom .legal-links{display:flex; gap:20px; flex-wrap:wrap;}
.footer-bottom a{text-decoration:none; color:var(--slate-dim);}
.footer-bottom a:hover{color:var(--paper);}
.footer-disclaimer{
  font-size:12px; color:var(--slate-dim); border-top:1px solid var(--line-dark);
  margin-top:26px; padding-top:22px; line-height:1.7;
}

/* ---------- Legal pages ---------- */
.legal-wrap{max-width:800px; margin:0 auto; padding:56px 0 100px;}
.legal-wrap h2{font-size:22px; margin-top:2.4em;}
.legal-wrap h3{font-size:17px; margin-top:1.8em;}
.legal-wrap p, .legal-wrap li{color:var(--ink); font-size:15.5px;}
.legal-wrap ul, .legal-wrap ol{padding-left:22px;}
.legal-updated{font-family:var(--font-mono); font-size:12.5px; color:var(--slate); margin-bottom:8px;}
.legal-toc{
  background:var(--paper-dim); border:1px solid var(--line); border-radius:6px; padding:24px 26px; margin:32px 0 8px;
}
.legal-toc .lbl{font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--slate); margin-bottom:12px; display:block;}
.legal-toc ol{margin:0; padding-left:20px; columns:2; font-size:14px;}
@media (max-width:640px){.legal-toc ol{columns:1;}}
.legal-toc a{text-decoration:none; color:var(--ink);}
.legal-toc a:hover{color:var(--rise);}

/* ---------- Blog ---------- */
.post-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:860px){.post-grid{grid-template-columns:1fr;}}
.post-card{background:var(--card); padding:30px 26px; display:flex; flex-direction:column; text-decoration:none; color:var(--ink);}
.post-card .tag{font-family:var(--font-mono); font-size:11.5px; color:var(--rise); text-transform:uppercase; letter-spacing:.08em; margin-bottom:14px;}
.post-card h3{font-size:19px; margin-bottom:10px;}
.post-card p{color:var(--slate); font-size:14.5px; flex:1;}
.post-card .meta{font-family:var(--font-mono); font-size:12px; color:var(--slate); margin-top:16px;}
.article-body{max-width:700px; margin:0 auto; padding:52px 0 100px;}
.article-body h2{font-size:22px; margin-top:1.8em;}
.article-body p, .article-body li{font-size:16px; color:var(--ink); line-height:1.75;}
.article-meta{font-family:var(--font-mono); font-size:12.5px; color:var(--slate); margin-bottom:28px;}

/* ---------- Misc ---------- */
.divider-note{
  font-family:var(--font-mono); font-size:12.5px; color:var(--slate); text-align:center; margin-top:14px;
}
.badge-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:8px;}
.pill{
  font-family:var(--font-mono); font-size:12px; border:1px solid var(--line); padding:6px 12px; border-radius:20px; color:var(--slate);
}
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--ink); color:var(--paper); padding:10px 16px; z-index:100;
}
.skip-link:focus{left:12px; top:12px;}
:focus-visible{outline:2px solid var(--rise); outline-offset:2px;}