/* =========================================================
   Kix09 — Design tokens
   Concept: "control room" — a fraud-monitoring product should
   feel like the tool a risk analyst watches all day: dark,
   precise, hairline-divided, with one signal color for alerts.
   ========================================================= */
:root{
  --ink:        #0E1420;
  --panel:      #141B2B;
  --panel-2:    #1B2438;
  --line:       rgba(231,236,243,0.10);
  --line-soft:  rgba(231,236,243,0.06);
  --text:       #E7ECF3;
  --text-dim:   #9AA7BD;
  --signal:     #4CD3C2;   /* clear / verified */
  --signal-dim: #2B7A70;
  --alert:      #F0A93A;   /* flagged / warning */
  --danger:     #EF6659;   /* blocked / high risk */
  --light-bg:   #F4F6F9;
  --light-panel:#FFFFFF;
  --light-line: rgba(14,20,32,0.10);
  --light-text: #131A28;
  --light-dim:  #5B6576;
  --radius:     6px;
  --max:        1160px;
  --serif: "Space Grotesk", "Arial Narrow", sans-serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  background:var(--light-bg);
  color:var(--light-text);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{margin:0 0 1em; max-width:64ch;}
.container{max-width:var(--max); margin:0 auto; padding:0 24px;}
:focus-visible{outline:2px solid var(--signal); outline-offset:2px;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; transition-duration:.001ms !important;}
}

/* ---------- header ---------- */
.site-header{
  background:var(--ink);
  color:var(--text);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:50;
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:68px;
}
.brand{
  font-family:var(--serif); font-weight:700; font-size:1.25rem;
  color:var(--text); text-decoration:none; letter-spacing:-0.02em;
}
.brand span{color:var(--signal);}
.nav-list{list-style:none; display:flex; gap:28px; margin:0; padding:0;}
.nav-list a{
  text-decoration:none; color:var(--text-dim); font-size:.95rem;
  padding:8px 0; border-bottom:1px solid transparent;
}
.nav-list a:hover, .nav-list a[aria-current="page"]{
  color:var(--text); border-bottom-color:var(--signal);
}
.nav-cta{
  background:var(--signal); color:var(--ink); text-decoration:none;
  padding:9px 18px; border-radius:var(--radius); font-weight:600; font-size:.9rem;
}
.nav-cta:hover{background:#3fc0af;}
.nav-toggle{display:none;}

/* ---------- hero ---------- */
.hero{
  background:var(--ink); color:var(--text);
  padding:72px 0 88px;
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
}
.hero h1{font-size:clamp(2.1rem,4vw,3.2rem); color:var(--text); max-width:16ch;}
.hero .lede{color:var(--text-dim); font-size:1.1rem; max-width:46ch;}
.hero-actions{display:flex; gap:14px; margin-top:28px; flex-wrap:wrap;}

.btn{
  display:inline-block; text-decoration:none; font-weight:600; font-size:.95rem;
  padding:12px 22px; border-radius:var(--radius); border:1px solid transparent;
}
.btn-primary{background:var(--signal); color:var(--ink);}
.btn-primary:hover{background:#3fc0af;}
.btn-ghost{border-color:var(--line); color:var(--text);}
.btn-ghost:hover{border-color:var(--text-dim);}
.btn-dark{background:var(--ink); color:var(--text); border-color:var(--line);}

/* signature element: live risk feed panel */
.feed-panel{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden;
}
.feed-panel-head{
  display:flex; align-items:center; gap:8px;
  padding:14px 18px; border-bottom:1px solid var(--line);
  font-size:.85rem; color:var(--text-dim);
}
.dot{width:8px; height:8px; border-radius:50%; background:var(--signal); flex:none;}
.feed-row{
  display:flex; gap:14px; padding:14px 18px; border-bottom:1px solid var(--line-soft);
  font-size:.88rem; align-items:flex-start;
}
.feed-row:last-child{border-bottom:none;}
.feed-tag{
  flex:none; font-size:.72rem; font-weight:600; padding:3px 8px; border-radius:4px;
  white-space:nowrap; margin-top:1px;
}
.feed-tag.high{background:rgba(239,102,89,.15); color:var(--danger);}
.feed-tag.med{background:rgba(240,169,58,.15); color:var(--alert);}
.feed-tag.clear{background:rgba(76,211,194,.15); color:var(--signal);}
.feed-text{color:var(--text);}
.feed-meta{color:var(--text-dim); font-size:.8rem; display:block; margin-top:2px;}

/* ---------- sections ---------- */
section{padding:72px 0;}
section.tight{padding:48px 0;}
.section-head{max-width:60ch; margin-bottom:40px;}
.section-head p{color:var(--light-dim);}
.on-dark{background:var(--ink); color:var(--text);}
.on-dark p{color:var(--text-dim);}
.on-dark h2, .on-dark h3{color:var(--text);}
.on-panel{background:var(--light-panel);}

.grid{display:grid; gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  border:1px solid var(--light-line); border-radius:var(--radius); padding:26px;
  background:var(--light-panel);
}
.card h3{font-size:1.05rem; margin-bottom:.4em;}
.card p{color:var(--light-dim); font-size:.95rem; margin-bottom:0;}

.stat-bar{
  display:flex; flex-wrap:wrap; gap:40px; padding:32px 0; border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{min-width:140px;}
.stat b{font-family:var(--serif); font-size:2rem; display:block; color:var(--signal);}
.stat span{color:var(--text-dim); font-size:.85rem;}

.steps{list-style:none; margin:0; padding:0; counter-reset:step;}
.steps li{
  counter-increment:step; display:grid; grid-template-columns:44px 1fr; gap:18px;
  padding:22px 0; border-top:1px solid var(--light-line);
}
.steps li:first-child{border-top:none;}
.steps li::before{
  content:counter(step);
  font-family:var(--serif); font-weight:600; font-size:1.1rem;
  color:var(--signal-dim); background:rgba(76,211,194,.12);
  width:40px; height:40px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
}

.quote{
  border-left:3px solid var(--signal); padding-left:22px; font-size:1.2rem;
  font-family:var(--serif); font-weight:500; max-width:56ch;
}

table{width:100%; border-collapse:collapse; margin:0 0 1em;}
th,td{text-align:left; padding:12px 14px; border-bottom:1px solid var(--light-line); font-size:.92rem;}
th{color:var(--light-dim); font-weight:600; font-size:.82rem;}

.pricing-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.plan{border:1px solid var(--light-line); border-radius:var(--radius); padding:28px; background:var(--light-panel);}
.plan.featured{border-color:var(--signal); box-shadow:none; position:relative;}
.plan .price{font-family:var(--serif); font-size:2rem; margin:.2em 0 .6em;}
.plan ul{list-style:none; margin:0; padding:0;}
.plan li{padding:8px 0; border-top:1px solid var(--light-line); font-size:.92rem; color:var(--light-dim);}
.plan li:first-child{border-top:none;}

.faq-item{border-top:1px solid var(--light-line); padding:20px 0;}
.faq-item:last-child{border-bottom:1px solid var(--light-line);}
.faq-item summary{cursor:pointer; font-weight:600; font-family:var(--serif); font-size:1.05rem; list-style:none; display:flex; justify-content:space-between; gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+"; color:var(--signal-dim); font-size:1.3rem; flex:none;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{margin-top:12px; color:var(--light-dim);}

.blog-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:28px;}
.post-card{border:1px solid var(--light-line); border-radius:var(--radius); overflow:hidden; background:var(--light-panel); text-decoration:none; color:inherit; display:block;}
.post-card img{aspect-ratio:16/9; object-fit:cover; background:#DCE3EC;}
.post-card .body{padding:18px;}
.post-card .cat{font-size:.78rem; color:var(--signal-dim); font-weight:600;}
.post-card h3{font-size:1.05rem; margin:.4em 0;}
.post-card .excerpt{color:var(--light-dim); font-size:.9rem; margin:0;}
.post-card .date{color:var(--light-dim); font-size:.8rem; display:block; margin-top:10px;}

.post-body{max-width:70ch; margin:0 auto;}
.post-body h2{margin-top:1.4em;}
.post-body img{border-radius:var(--radius); margin:1.4em 0;}
.post-meta{color:var(--light-dim); font-size:.9rem; margin-bottom:2em;}

.cta-band{
  background:var(--ink); color:var(--text); padding:64px 0; text-align:center;
}
.cta-band h2{color:var(--text);}
.cta-band p{color:var(--text-dim); margin:0 auto 24px; }
.cta-band .hero-actions{justify-content:center;}

form.demo-form{display:grid; gap:16px; max-width:560px;}
form.demo-form label{font-size:.85rem; font-weight:600; display:block; margin-bottom:6px;}
form.demo-form input, form.demo-form select, form.demo-form textarea{
  width:100%; padding:11px 12px; border:1px solid var(--light-line); border-radius:var(--radius);
  font-family:var(--sans); font-size:.95rem; background:#fff;
}
form.demo-form textarea{min-height:110px;}

.breadcrumb{font-size:.82rem; color:var(--light-dim); margin-bottom:18px;}
.breadcrumb a{color:var(--light-dim); text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}

.site-footer{background:var(--ink); color:var(--text-dim); padding:56px 0 28px; font-size:.9rem;}
.footer-grid{display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:32px; padding-bottom:36px; border-bottom:1px solid var(--line);}
.footer-grid h4{color:var(--text); font-size:.85rem; margin-bottom:14px; font-family:var(--sans); font-weight:600;}
.footer-grid ul{list-style:none; margin:0; padding:0;}
.footer-grid li{margin-bottom:9px;}
.footer-grid a{text-decoration:none; color:var(--text-dim);}
.footer-grid a:hover{color:var(--text);}
.footer-bottom{display:flex; justify-content:space-between; padding-top:24px; flex-wrap:wrap; gap:12px;}

@media (max-width: 880px){
  .hero-grid{grid-template-columns:1fr;}
  .grid-3, .grid-4, .grid-2, .pricing-grid, .blog-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-list{display:none;}
}