@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root{
  --ink:#0b1220; --bg:#ffffff; --soft:#f5f7f5; --line:#e6e8e4;
  --muted:#5b6470; --teal:#0f6e56; --teal-bright:#1d9e75; --teal-50:#e1f5ee; --teal-900:#04342c;
  --danger:#a32d2d; --maxw:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; color:var(--ink); background:var(--bg);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:inherit}
img,svg{max-width:100%}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px}
h1,h2,h3{line-height:1.15; letter-spacing:-0.02em; font-weight:600; margin:0}
p{margin:0}
.eyebrow{font-size:13px; letter-spacing:.14em; text-transform:uppercase; color:var(--teal); font-weight:600}
.btn{display:inline-flex; align-items:center; gap:.5rem; border-radius:8px; padding:.7rem 1.15rem;
  font-weight:600; font-size:15px; text-decoration:none; border:1px solid transparent; transition:.15s; cursor:pointer}
.btn-primary{background:var(--teal); color:#fff}
.btn-primary:hover{background:var(--teal-900)}
.btn-ghost{border-color:rgba(255,255,255,.28); color:#fff; background:transparent}
.btn-ghost:hover{border-color:#fff}
.btn-dark{border:1px solid var(--line); background:#fff; color:var(--ink)}
.btn-dark:hover{border-color:var(--ink)}

/* Header */
header.site{position:sticky; top:0; z-index:50; background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(10px); -webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line); padding-top:env(safe-area-inset-top,0px)}
.nav{display:flex; align-items:center; justify-content:space-between; height:64px}
.brand{display:flex; align-items:center; gap:.55rem; font-weight:700; letter-spacing:-.02em; font-size:18px; text-decoration:none}
.brand .mark{width:22px;height:22px}
.nav-links{display:flex; align-items:center; gap:28px}
.nav-links a:not(.btn):not(.btn-sm){text-decoration:none; color:var(--muted); font-size:15px; font-weight:500}
.nav-links a:not(.btn):not(.btn-sm):hover{color:var(--ink)}
.nav-links a:not(.btn):not(.btn-sm).active{color:var(--ink)}
.nav-links a.btn-primary{color:#fff}
.nav-links a.btn-sm{color:var(--ink)}
@media(max-width:760px){ .nav-links a:not(.btn){display:none} }

/* Hero */
.hero{background:var(--ink); color:#fff; padding:96px 0 104px; position:relative; overflow:hidden}
.hero .glow{position:absolute; right:-160px; top:-120px; width:520px; height:520px; border-radius:50%;
  background:radial-gradient(circle, rgba(29,158,117,.22), transparent 62%); pointer-events:none}
.hero h1{font-size:clamp(34px,5.2vw,58px); max-width:14ch}
.hero .sub{margin-top:22px; font-size:clamp(17px,2.2vw,21px); color:#c4ccd6; max-width:54ch}
.hero .cta{margin-top:34px; display:flex; gap:14px; flex-wrap:wrap}
.hero .kicker{color:var(--teal-bright); font-weight:600; letter-spacing:.12em; text-transform:uppercase; font-size:13px}

/* Page hero (subpages) */
.pagehero{background:var(--soft); border-bottom:1px solid var(--line); padding:64px 0}
.pagehero h1{font-size:clamp(30px,4.4vw,46px); max-width:18ch}
.pagehero p{margin-top:16px; color:var(--muted); font-size:19px; max-width:58ch}

/* Sections */
section{padding:84px 0}
.lead{font-size:clamp(24px,3.4vw,34px); max-width:24ch}
.section-intro{max-width:60ch; color:var(--muted); margin-top:16px; font-size:18px}

.grid3{display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:48px}
@media(max-width:820px){ .grid3{grid-template-columns:1fr} }
.card{border:1px solid var(--line); border-radius:14px; padding:26px; background:#fff}
.card h3{font-size:19px; margin-bottom:8px}
.card p{color:var(--muted); font-size:15.5px}
.card .n{font-size:13px; font-weight:700; color:var(--teal); letter-spacing:.1em}

.soft{background:var(--soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}

/* Loop */
.loop-grid{display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; margin-top:40px}
@media(max-width:900px){ .loop-grid{grid-template-columns:1fr} }
.loop-svg{width:100%; height:auto; max-width:560px; margin:0 auto; display:block}
.steps{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:18px}
.steps li{display:flex; gap:14px}
.steps .dot{flex:0 0 auto; width:30px; height:30px; border-radius:50%; background:var(--teal-50);
  color:var(--teal-900); font-weight:700; font-size:14px; display:flex; align-items:center; justify-content:center; border:1px solid var(--teal-bright)}
.steps b{display:block}
.steps span{color:var(--muted); font-size:15.5px}

/* Metrics */
.metrics{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:44px}
@media(max-width:820px){ .metrics{grid-template-columns:1fr 1fr} }
.metric{padding:24px; border-radius:14px; background:#fff; border:1px solid var(--line)}
.metric .big{font-size:30px; font-weight:700; letter-spacing:-.02em; color:var(--teal)}
.metric p{margin-top:6px; color:var(--muted); font-size:14.5px}

/* Audience */
.pills{display:flex; flex-wrap:wrap; gap:10px; margin-top:28px}
.pill{border:1px solid var(--line); border-radius:999px; padding:.45rem 1rem; font-size:14.5px; color:var(--muted); background:#fff}

/* Prose / data path */
.prose{max-width:70ch}
.prose p{color:var(--muted); font-size:17px; margin-top:18px}
.prose h2{font-size:26px; margin-top:8px}
.datapath{display:flex; align-items:stretch; gap:12px; flex-wrap:wrap; margin-top:40px}
.node{flex:1 1 120px; min-width:120px; border:1px solid var(--line); border-radius:12px; background:#fff; padding:18px 16px; text-align:center}
.node .ic{width:34px;height:34px; margin:0 auto 10px}
.node b{display:block; font-size:15px}
.node span{display:block; color:var(--muted); font-size:13px; margin-top:4px}
.node-arrow{align-self:center; color:var(--teal-bright); font-size:22px; font-weight:700}
@media(max-width:820px){ .node-arrow{transform:rotate(90deg)} .datapath{flex-direction:column} .node{flex:none} }

/* FAQ */
.faq{margin-top:36px; max-width:80ch}
.faq details{border-bottom:1px solid var(--line); padding:18px 0}
.faq summary{cursor:pointer; font-weight:600; font-size:17px; list-style:none; display:flex; justify-content:space-between; gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+"; color:var(--teal); font-weight:700}
.faq details[open] summary::after{content:"\2212"}
.faq p{color:var(--muted); margin-top:12px; font-size:16px}

/* Form */
.formwrap{display:grid; grid-template-columns:1.1fr .9fr; gap:48px; margin-top:8px}
@media(max-width:860px){ .formwrap{grid-template-columns:1fr} }
.form{display:grid; gap:18px}
.field{display:grid; gap:6px}
.field label{font-size:14px; font-weight:600}
.field .req{color:var(--danger)}
.field input,.field select,.field textarea{
  font:inherit; padding:.7rem .8rem; border:1px solid var(--line); border-radius:8px; background:#fff; color:var(--ink); width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none; border-color:var(--teal-bright); box-shadow:0 0 0 3px rgba(29,158,117,.15)}
.field textarea{min-height:120px; resize:vertical}
.field .err{color:var(--danger); font-size:13px; display:none}
.field.invalid .err{display:block}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--danger)}
.form .actions{display:flex; align-items:center; gap:14px; flex-wrap:wrap}
.form .note{color:var(--muted); font-size:13px}
.aside-card{background:var(--soft); border:1px solid var(--line); border-radius:14px; padding:26px; align-self:start}
.aside-card h3{font-size:18px} .aside-card ul{margin:14px 0 0; padding-left:18px; color:var(--muted); font-size:15.5px}
.aside-card li{margin:8px 0}
.success{display:none; border:1px solid var(--teal-bright); background:var(--teal-50); color:var(--teal-900);
  border-radius:12px; padding:22px 24px}
.success.show{display:block}
.success h3{color:var(--teal-900); font-size:20px}
.success p{margin-top:8px}

/* CTA */
.cta-band{background:var(--ink); color:#fff; text-align:center; border-radius:20px; padding:64px 28px}
.cta-band h2{font-size:clamp(26px,3.8vw,40px); max-width:20ch; margin:0 auto}
.cta-band p{color:#c4ccd6; margin-top:14px; font-size:18px}
.cta-band .cta{margin-top:28px; display:flex; gap:14px; justify-content:center; flex-wrap:wrap}

/* Endorsement */
.endorse{display:inline-flex; align-items:center; gap:10px; margin-top:30px; padding:10px 16px;
  border:1px solid rgba(255,255,255,.18); border-radius:999px; font-size:13.5px; color:#c4ccd6}
.endorse .swatch{width:9px; height:9px; border-radius:50%; background:var(--teal-bright)}
.endorse.dark-on-light{border-color:var(--line); color:var(--muted)}

/* Footer */
footer{padding:48px 0; border-top:1px solid var(--line); color:var(--muted); font-size:14px}
.foot{display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap}
.foot a{text-decoration:none; color:var(--muted)}
.foot a:hover{color:var(--ink)}
.foot .endo{font-size:13px; color:var(--muted)}

/* ---- Auth + admin ---- */
.authpage{min-height:calc(100vh - 64px); display:flex; align-items:flex-start; justify-content:center; padding:64px 24px; background:var(--soft)}
.authcard{width:100%; max-width:440px; background:#fff; border:1px solid var(--line); border-radius:16px; padding:32px}
.authcard h1{font-size:24px} .authcard .subtitle{color:var(--muted); margin-top:6px; font-size:15px}
.tabs{display:flex; gap:6px; background:var(--soft); border:1px solid var(--line); border-radius:10px; padding:4px; margin:22px 0}
.tabs button{flex:1; border:0; background:transparent; padding:.6rem; border-radius:7px; font:inherit; font-weight:600; font-size:14.5px; color:var(--muted); cursor:pointer}
.tabs button.active{background:#fff; color:var(--ink); box-shadow:0 1px 2px rgba(11,18,32,.08)}
.authnote{margin-top:18px; font-size:13px; color:var(--muted); text-align:center}
.demo-banner{background:#fff7e6; border:1px solid #f3d28a; color:#7a5410; border-radius:10px; padding:12px 14px; font-size:13.5px; margin-top:18px}
.demo-banner code{background:rgba(0,0,0,.05); padding:1px 5px; border-radius:4px}

.badge{display:inline-flex; align-items:center; gap:6px; font-size:12.5px; font-weight:600; padding:.25rem .6rem; border-radius:999px; border:1px solid}
.badge-admin{background:#eef0ff; color:#3c3489; border-color:#cecbf6}
.badge-customer{background:var(--teal-50); color:var(--teal-900); border-color:#9fe1cb}
.badge-suspended{background:#fcebeb; color:#791f1f; border-color:#f7c1c1}

.console{max-width:var(--maxw); margin:0 auto; padding:40px 24px}
.console-head{display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; margin-bottom:8px}
.toolbar{display:flex; align-items:center; gap:12px; flex-wrap:wrap; margin:24px 0}
.toolbar input[type=search]{font:inherit; padding:.6rem .8rem; border:1px solid var(--line); border-radius:8px; min-width:240px}
.table-wrap{border:1px solid var(--line); border-radius:14px; overflow:auto; background:#fff}
table.users{width:100%; border-collapse:collapse; font-size:15px}
table.users th,table.users td{text-align:left; padding:14px 16px; border-bottom:1px solid var(--line); white-space:nowrap}
table.users th{font-size:12.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); background:var(--soft)}
table.users tr:last-child td{border-bottom:0}
table.users td.wide{white-space:normal}
table.users select{font:inherit; padding:.4rem .5rem; border:1px solid var(--line); border-radius:7px; background:#fff}
.row-actions{display:flex; gap:8px; flex-wrap:wrap}
.btn-sm{padding:.4rem .7rem; font-size:13.5px; border-radius:7px; border:1px solid var(--line); background:#fff; color:var(--ink); cursor:pointer; font-weight:600}
.btn-sm:hover{border-color:var(--ink)}
.btn-sm.danger{color:var(--danger); border-color:#f0c0c0}
.btn-sm.danger:hover{border-color:var(--danger)}
.you-tag{font-size:12px; color:var(--muted); font-weight:500}
.empty{padding:40px; text-align:center; color:var(--muted)}
.flash{display:none; border-radius:10px; padding:12px 14px; font-size:14px; margin-bottom:16px}
.flash.show{display:block}
.flash.ok{background:var(--teal-50); color:var(--teal-900); border:1px solid #9fe1cb}
.flash.warn{background:#fcebeb; color:#791f1f; border:1px solid #f7c1c1}
.userbar{display:flex; align-items:center; gap:14px}
.avatar{width:36px; height:36px; border-radius:50%; background:var(--ink); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:15px}

/* ---- Engagement dashboard (project pages) ---- */
.statusrow{display:flex; flex-wrap:wrap; gap:10px; margin-top:24px}
.status-pill{display:inline-flex; align-items:center; gap:8px; border:1px solid var(--line); border-radius:999px; padding:.45rem .9rem; font-size:14px; background:#fff}
.status-pill .k{color:var(--muted)}
.status-pill .v{font-weight:600}
.dot-live{width:8px; height:8px; border-radius:50%; background:var(--teal-bright); flex:0 0 auto}
.dash2{display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:24px}
@media(max-width:820px){ .dash2{grid-template-columns:1fr} }
.spark-card{border:1px solid var(--line); border-radius:14px; background:#fff; padding:22px}
.spark-card .lab{font-size:13px; color:var(--muted)}
.spark-card .val{font-size:28px; font-weight:700; letter-spacing:-.02em; margin-top:2px}
.spark-card .val.good{color:var(--teal)}
.spark-card .delta{font-size:13px; color:var(--muted); margin-left:8px; font-weight:500}
.spark{width:100%; height:auto; display:block; margin-top:12px}
.illus{font-size:12.5px; color:var(--muted); margin-top:10px}