/* ===================================================================
   Capital AI — Design tokens
   Palette: Ink Navy (headlines/dark sections), Marigold (primary accent),
   Deep Teal (growth/CTA), Paper (warm background), Slate (body text),
   Chili (used sparingly for paid/urgent cues).
   Type: Fraunces (display, characterful serif) / Work Sans (body) /
   IBM Plex Mono (data, stats, labels).
   Signature element: the "Fluency Wheel" dial used for spin-to-unlock.
=================================================================== */
:root{
  --ink:#14213D;
  --marigold:#F2A93B;
  --teal:#0F6B63;
  --paper:#FBF8F2;
  --paper-2:#F1ECE0;
  --slate:#5B6472;
  --chili:#D64545;
  --white:#FFFFFF;
  --line:rgba(20,33,61,0.12);
  --radius:14px;
  --shadow:0 8px 24px rgba(20,33,61,0.10);
  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Work Sans', system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--font-body); line-height:1.6; font-size:16px;
}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
.wrap{max-width:1180px; margin:0 auto; padding:0 24px}
h1,h2,h3{font-family:var(--font-display); margin:0 0 .5em; letter-spacing:-0.01em}
h1{font-size:clamp(2.1rem,4vw,3.4rem); line-height:1.08; font-weight:600}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem); font-weight:600}
h3{font-size:1.15rem; font-weight:600}
p{margin:0 0 1em; color:var(--slate)}
.eyebrow{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--teal); font-weight:500;
}
:focus-visible{outline:3px solid var(--marigold); outline-offset:2px}
@media (prefers-reduced-motion:reduce){ *{animation-duration:.001ms !important; transition-duration:.001ms !important;} }

/* ---------- Header ---------- */
.site-header{position:sticky; top:0; z-index:50; background:rgba(251,248,242,.92); backdrop-filter:blur(8px); border-bottom:1px solid var(--line)}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 24px}
.logo{display:flex; align-items:center; gap:8px}
.logo-word{font-family:var(--font-display); font-size:1.25rem; font-weight:600}
.logo-word b{color:var(--marigold)}
.main-nav{display:flex; gap:28px; font-size:.94rem; font-weight:500}
.main-nav a:hover{color:var(--teal)}
.nav-toggle{display:none; background:none; border:none; font-size:1.4rem; cursor:pointer}
@media (max-width:860px){
  .main-nav{display:none; position:absolute; top:64px; left:0; right:0; background:var(--paper); flex-direction:column; padding:16px 24px; border-bottom:1px solid var(--line)}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:13px 22px; border-radius:999px;
  font-weight:600; font-size:.95rem; cursor:pointer; border:1px solid transparent; transition:transform .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--teal); color:var(--white)}
.btn-primary:hover{background:#0c554e}
.btn-outline{background:transparent; border-color:var(--ink); color:var(--ink)}
.btn-marigold{background:var(--marigold); color:var(--ink)}
.btn-chili{background:var(--chili); color:var(--white)}
.btn[disabled]{opacity:.5; cursor:not-allowed; transform:none}
.btn-sm{padding:9px 16px; font-size:.85rem; border-radius:8px}

/* ---------- Hero ---------- */
.hero{padding:64px 0 48px; position:relative; overflow:hidden}
.hero-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero h1{max-width:640px}
.hero-sub{font-size:1.1rem; max-width:520px}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap; margin-top:18px}
.hero-stats{display:flex; gap:26px; margin-top:34px; flex-wrap:wrap}
.stat b{display:block; font-family:var(--font-mono); font-size:1.5rem; color:var(--ink)}
.stat span{font-size:.8rem; color:var(--slate)}

/* Fluency dial illustration on hero */
.fluency-dial{position:relative; width:100%; max-width:360px; margin:0 auto}
.fluency-dial svg{width:100%; height:auto}

/* ---------- Section shell ---------- */
section{padding:56px 0}
.section-head{max-width:720px; margin-bottom:28px}
.card{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow)}

/* ---------- Article grid (secondary keyword sections) ---------- */
.article-toc{display:flex; flex-wrap:wrap; gap:10px; margin:18px 0 8px}
.article-toc a{font-size:.82rem; padding:7px 12px; border:1px solid var(--line); border-radius:999px; background:var(--white)}
.article-toc a:hover{border-color:var(--teal); color:var(--teal)}
.articles-list{display:grid; gap:22px}
.article-block{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:28px}
.article-block h2{font-size:1.35rem}
.article-block .kw{font-family:var(--font-mono); font-size:.72rem; color:var(--teal); text-transform:uppercase; letter-spacing:.08em}
.points{margin:12px 0; padding-left:0; list-style:none}
.points li{position:relative; padding-left:24px; margin-bottom:8px; color:var(--slate)}
.points li::before{content:"→"; position:absolute; left:0; color:var(--marigold); font-weight:700}

/* ---------- Tool page ---------- */
.tool-shell{display:grid; grid-template-columns:1fr; gap:20px}
.tool-input-row{display:flex; gap:12px; flex-wrap:wrap}
.tool-input-row input[type="text"]{flex:1; min-width:220px; padding:14px 16px; border:1px solid var(--line); border-radius:10px; font-size:1rem; font-family:var(--font-body)}
.tool-options{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px; margin:18px 0}
.opt-group label{display:block; font-size:.8rem; font-weight:600; margin-bottom:6px; color:var(--ink)}
.opt-group select, .opt-group input{width:100%; padding:10px 12px; border:1px solid var(--line); border-radius:8px}
.checklist{list-style:none; padding:0; margin:0; display:grid; gap:8px}
.checklist li{display:flex; align-items:center; gap:10px; font-size:.92rem}
.result-panel{display:none}
.result-panel.visible{display:block}
.result-section{margin-bottom:26px}
.result-section h3{color:var(--ink)}
.faq-item{border-bottom:1px solid var(--line); padding:14px 0}
.faq-q{font-weight:600; cursor:pointer}
.faq-a{display:none; color:var(--slate); margin-top:8px}
.faq-item.open .faq-a{display:block}
.export-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:18px}
.badge{display:inline-block; font-family:var(--font-mono); font-size:.7rem; padding:3px 9px; border-radius:999px; background:var(--paper-2); color:var(--slate)}
.badge-free{background:rgba(15,107,99,.12); color:var(--teal)}
.badge-paid{background:rgba(214,69,69,.12); color:var(--chili)}

/* ---------- Spin Wheel (signature element) ---------- */
.wheel-wrap{display:flex; flex-direction:column; align-items:center; gap:18px; text-align:center}
.wheel-frame{position:relative; width:280px; height:280px}
.wheel-pointer{position:absolute; top:-14px; left:50%; transform:translateX(-50%); width:0; height:0; border-left:12px solid transparent; border-right:12px solid transparent; border-top:20px solid var(--ink); z-index:2}
.wheel-svg{width:100%; height:100%; transition:transform 4.5s cubic-bezier(.17,.67,.14,1)}
.wheel-hub{position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:56px; height:56px; border-radius:50%; background:var(--ink); color:var(--marigold); display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-size:.7rem; font-weight:700; z-index:3}

/* ---------- FAQ / generic list pages ---------- */
.faq-static .faq-item{background:var(--white); border:1px solid var(--line); border-radius:10px; padding:16px 18px; margin-bottom:10px}

/* ---------- Payment method picker modal ---------- */
.payment-modal{position:fixed; inset:0; background:rgba(20,33,61,.55); display:none; align-items:center; justify-content:center; z-index:200; padding:20px}
.payment-modal.open{display:flex}
.payment-modal-card{background:var(--white); border-radius:var(--radius); padding:28px; max-width:420px; width:100%; position:relative; box-shadow:var(--shadow)}
.payment-modal-close{position:absolute; top:12px; right:14px; background:none; border:none; font-size:1.4rem; cursor:pointer; color:var(--slate)}
.payment-methods{display:grid; gap:10px; margin-top:14px}
.payment-methods .btn{width:100%; justify-content:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink); color:#D8DEEA; padding:56px 0 22px; margin-top:60px}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-logo .logo-word{color:var(--white)}
.footer-tag{color:#9AA5BD; font-size:.9rem; max-width:280px}
.site-footer h3{color:var(--white); font-size:.85rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:12px}
.site-footer ul{list-style:none; padding:0; margin:0; display:grid; gap:8px; font-size:.88rem}
.site-footer a{color:#B9C2D6}
.site-footer a:hover{color:var(--marigold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1); margin-top:38px; padding-top:18px; font-size:.8rem; color:#8A93AC}

/* ---------- Static pages ---------- */
.static-page .wrap{max-width:820px}
.static-page h2{margin-top:1.4em}

/* ---------- Simple page-content pages (about/contact/etc.) ---------- */
.page-hero{background:var(--ink); color:var(--white); padding:64px 0 40px}
.page-hero h1{color:var(--white)}
.page-hero p{color:#B9C2D6}

.form-grid{display:grid; gap:16px; max-width:560px}
.form-grid input, .form-grid textarea{padding:12px 14px; border:1px solid var(--line); border-radius:10px; font-family:var(--font-body); font-size:1rem}