/* EngineFresh — marketing site */

:root{
  --bg:#F6F7F4;
  --bg-alt:#EEF4F1;
  --surface:#FFFFFF;
  --line:#DEE4DF;
  --line-soft:#E9ECE8;
  --ink:#13201D;
  --ink-soft:#2C3B36;
  --muted:#5B6B64;
  --muted-2:#8A968E;
  --accent:#146B63;
  --accent-dark:#0F544D;
  --accent-soft:#E3EFEC;
  --accent-ink:#FBFDFC;
  --warn:#B8722E;
  --warn-soft:#F7EBDD;
  --crit:#B24638;
  --crit-soft:#F6E4E0;
  --good:#2F8F5B;
  --radius:10px;
  --radius-sm:6px;
  --font-head:'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body:'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
  --maxw:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}

h1,h2,h3{
  font-family:var(--font-head);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-0.01em;
  margin:0 0 16px;
  text-wrap:balance;
  color:var(--ink);
}
h1{font-size:56px;}
h2{font-size:34px;}
h3{font-size:20px;}
p{margin:0 0 16px;color:var(--muted);}
em{font-style:italic;color:var(--accent);}

.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:14px;
}

.mono-tag{font-family:var(--font-mono);color:var(--ink-soft);}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:15px;
  padding:13px 22px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .12s ease, box-shadow .12s ease, background .15s ease;
}
.btn.primary{
  background:var(--accent);
  color:var(--accent-ink);
}
.btn.primary:hover{background:var(--accent-dark);}
.btn.ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--ink-soft);
}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);}

.textlink{
  color:var(--accent);
  font-weight:600;
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.textlink:hover{border-color:var(--accent);}

/* header */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(246,247,244,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.logo{
  display:flex;align-items:center;gap:9px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:21px;
  text-decoration:none;
  color:var(--ink);
}
.logo .mark{
  width:24px;height:24px;flex-shrink:0;
}
.nav-links{
  display:flex;align-items:center;gap:2px;
  background:var(--bg-alt);border-radius:9px;padding:4px;
}
.nav-links a{
  font-size:13.5px;font-weight:500;color:var(--muted);
  text-decoration:none;padding:7px 14px;border-radius:6px;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--ink-soft);}
.nav-links a.active{
  background:var(--surface);color:var(--accent-dark);font-weight:600;
  box-shadow:0 1px 3px rgba(19,32,29,.12);
}
.nav-links .mobile-cta{display:none;}
.nav-cta{display:flex;align-items:center;gap:18px;}
.nav-cta .textlink{font-size:14.5px;}

.menu-toggle{
  display:none;width:38px;height:38px;flex-shrink:0;
  align-items:center;justify-content:center;gap:4px;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:8px;
  cursor:pointer;padding:0;
}
.menu-toggle span{
  width:16px;height:2px;background:var(--ink-soft);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* hero */
.hero{padding:76px 0 90px;overflow:hidden;}
.hero .wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,460px);
  gap:56px;
  align-items:center;
}
.hero h1{margin-bottom:20px;}
.hero h1 em{font-style:italic;}
.hero .lede{font-size:18px;line-height:1.65;max-width:46ch;margin-bottom:30px;}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}

/* product mockup card */
.mock{
  position:relative;
}
.mock-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:0 24px 60px -28px rgba(19,32,29,.28);
  padding:22px 22px 26px;
}
.mock-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:18px;
}
.mock-head .mono-tag{font-size:12px;color:var(--muted-2);}
.mock-dots{display:flex;gap:5px;}
.mock-dots span{width:7px;height:7px;border-radius:50%;background:var(--line);}
.funnel-row{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.funnel-label{
  width:96px;flex-shrink:0;
  font-size:12.5px;color:var(--muted);
}
.funnel-bar-track{
  flex:1;height:24px;background:var(--bg-alt);border-radius:5px;overflow:hidden;
}
.funnel-bar{
  height:100%;background:var(--accent);border-radius:0 4px 4px 0;
}
.funnel-pct{
  width:40px;text-align:right;flex-shrink:0;
  font-family:var(--font-mono);font-size:12.5px;color:var(--ink-soft);
}
.mock-toast{
  position:absolute;
  right:-18px;bottom:-22px;
  width:260px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--warn);
  border-radius:10px;
  box-shadow:0 18px 40px -18px rgba(19,32,29,.35);
  padding:14px 16px;
}
.mock-toast .toast-top{
  display:flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--warn);margin-bottom:6px;
}
.mock-toast .toast-dot{width:6px;height:6px;border-radius:50%;background:var(--warn);flex-shrink:0;}
.mock-toast p{margin:0 0 4px;font-size:13.5px;color:var(--ink-soft);line-height:1.4;}
.mock-toast .toast-meta{font-family:var(--font-mono);font-size:11px;color:var(--muted-2);}

/* interface screenshots (app-mock) */
.screen-block{margin-bottom:56px;}
.screen-block:last-child{margin-bottom:0;}
.screen-copy{max-width:640px;margin-bottom:20px;}
.screen-copy h3{font-size:21px;margin-bottom:7px;}
.screen-copy p{margin:0;font-size:15.5px;color:var(--muted);}

.app-mock{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:0 24px 60px -28px rgba(19,32,29,.28);overflow:hidden;
}
.app-topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 20px;border-bottom:1px solid var(--line-soft);background:var(--bg-alt);
}
.app-topbar-left{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.app-topbar-left .mark{width:16px;height:16px;}
.app-topbar-left span{font-family:var(--font-head);font-weight:700;font-size:14px;color:var(--ink);}
.app-env-chip{
  display:flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:11.5px;color:var(--muted);white-space:nowrap;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:5px 12px;
}
.app-env-chip .dot{width:6px;height:6px;border-radius:2px;background:var(--accent);flex-shrink:0;}
.app-avatar{width:24px;height:24px;border-radius:50%;background:var(--accent-soft);border:1px solid var(--line);flex-shrink:0;}

.app-body{display:flex;}
.app-sidebar{
  width:168px;flex-shrink:0;border-right:1px solid var(--line-soft);
  padding:16px 10px;display:flex;flex-direction:column;gap:2px;
}
.app-nav-item{
  display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:7px;
  font-size:13px;color:var(--muted);white-space:nowrap;
}
.app-nav-item .dot{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.5;flex-shrink:0;}
.app-nav-item.active{background:var(--accent-soft);color:var(--accent-dark);font-weight:600;}
.app-nav-item.active .dot{background:var(--accent);opacity:1;}

.app-content{flex:1;padding:24px 26px;min-width:0;overflow-x:auto;}
.app-content-head{margin-bottom:20px;}
.app-content-head h4{margin:0 0 3px;font-family:var(--font-body);font-size:16px;font-weight:600;color:var(--ink);}
.app-content-head .app-content-meta{font-size:12.5px;color:var(--muted-2);}

.app-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:26px;}
.app-stat{background:var(--bg-alt);border-radius:9px;padding:14px 16px;}
.app-stat .k{font-size:11.5px;color:var(--muted-2);margin-bottom:7px;}
.app-stat .v{font-family:var(--font-mono);font-size:21px;font-weight:600;color:var(--ink);}
.app-stat .d{font-size:11.5px;margin-top:5px;font-weight:500;}
.app-stat .d.up{color:var(--good);}
.app-stat .d.down{color:var(--crit);}

.rules-table-wrap{overflow-x:auto;}
.rules-table{width:100%;border-collapse:collapse;font-size:13px;min-width:520px;}
.rules-table th{
  text-align:left;font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--muted-2);padding:0 12px 10px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.rules-table th:first-child,.rules-table td:first-child{padding-left:0;}
.rules-table td{padding:13px 12px;border-bottom:1px solid var(--line-soft);color:var(--ink-soft);vertical-align:middle;white-space:nowrap;}
.rules-table tr:last-child td{border-bottom:none;}
.rule-status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;}
.rule-status .dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;}
.rule-status.on{color:var(--good);}
.rule-status.on .dot{background:var(--good);}
.rule-status.off{color:var(--muted-2);}
.rule-status.off .dot{background:var(--muted-2);}

.query-split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;}
.query-split .chart-svg{background:var(--bg-alt);border-radius:9px;padding:14px;}
.query-panel{
  background:var(--ink);border-radius:9px;padding:17px 19px;
  font-family:var(--font-mono);font-size:12px;line-height:1.75;color:#B9C7C2;overflow-x:auto;
}
.query-panel .kw{color:#7FCDBE;}
.query-panel .fn{color:#E8B989;}
.query-panel .cm{color:#63756E;font-style:italic;}

/* generic sections */
section{padding:76px 0;}
section:not(.hero){border-top:1px solid var(--line-soft);}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:640px;margin-bottom:44px;}
.section-label{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted-2);margin-bottom:12px;
}
.section-intro{font-size:16.5px;color:var(--muted);max-width:56ch;}

/* status list */
.status-list{border-top:1px solid var(--line);}
.status-row{
  display:grid;grid-template-columns:48px minmax(0,1fr);gap:20px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.status-row .num{font-family:var(--font-mono);color:var(--accent);font-weight:600;}
.status-row p{margin:0;font-size:16.5px;color:var(--ink-soft);}
.status-row strong{color:var(--ink);}

/* feature grid */
.feat-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;
}
.feat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;
}
.feat-icon{
  width:38px;height:38px;border-radius:9px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.feat-icon svg{width:19px;height:19px;stroke:var(--accent);}
.feat-card h3{margin-bottom:8px;}
.feat-card p{margin:0;font-size:15px;}

/* steps */
.steps{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;
  border-top:1px solid var(--line);border-left:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;background:var(--surface);
}
.step{
  padding:32px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
}
.step .step-num{
  font-family:var(--font-mono);color:var(--muted-2);font-size:13px;margin-bottom:14px;
}
.step h3{margin-bottom:8px;font-size:18px;}
.step p{margin:0;font-size:14.5px;}

/* notifications spotlight */
.notif-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:52px;align-items:center;
}
.notif-channels{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.notif-channel{
  display:flex;align-items:center;gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:12px 16px;font-size:14.5px;color:var(--ink-soft);font-weight:500;
}
.notif-channel .dot{width:7px;height:7px;border-radius:50%;background:var(--good);flex-shrink:0;}

.alert-stack{display:flex;flex-direction:column;gap:14px;}
.alert-item{
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  padding:16px 18px;border-left-width:3px;border-left-style:solid;
  box-shadow:0 14px 34px -22px rgba(19,32,29,.25);
}
.alert-item.crit{border-left-color:var(--crit);}
.alert-item.warn{border-left-color:var(--warn);}
.alert-item.good{border-left-color:var(--good);}
.alert-top{
  display:flex;align-items:center;justify-content:between;gap:8px;
  font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  margin-bottom:6px;
}
.alert-item.crit .alert-top{color:var(--crit);}
.alert-item.warn .alert-top{color:var(--warn);}
.alert-item.good .alert-top{color:var(--good);}
.alert-item p{margin:0 0 3px;font-size:14px;color:var(--ink-soft);}
.alert-time{font-family:var(--font-mono);font-size:11.5px;color:var(--muted-2);}

/* trust / security */
.trust-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;
}
.trust-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;
}
.trust-card .trust-label{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent);margin-bottom:10px;
}
.trust-card h3{font-size:17px;margin-bottom:8px;}
.trust-card p{margin:0;font-size:14.5px;}
.trust-card.pending .trust-label{color:var(--muted-2);}

/* integrations */
.wh-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px;}
.wh-chip{
  display:flex;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:10px 20px 10px 14px;
}
.wh-chip .wh-dot{width:9px;height:9px;border-radius:2px;background:var(--accent);}
.wh-chip span{font-family:var(--font-mono);font-size:14px;font-weight:500;color:var(--ink-soft);white-space:nowrap;}
.wh-chip.soon{opacity:.6;}
.wh-chip .soon-tag{
  font-size:11px;font-weight:500;font-style:italic;color:var(--muted-2);
  margin-left:2px;
}

/* early access / form */
.form-section{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:48px;
}
.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;}
.form-copy h2{margin-bottom:14px;}
.form-copy .section-intro{margin-bottom:0;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:7px;
}
.field .opt{font-weight:400;color:var(--muted-2);}
.field input,.field textarea,.field select{
  width:100%;font-family:var(--font-body);font-size:15px;color:var(--ink);
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:11px 13px;
}
.field select{
  appearance:none;-webkit-appearance:none;-moz-appearance:none;
  cursor:pointer;padding-right:38px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5L6 8L9.5 4.5' stroke='%235B6B64' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;background-size:12px 12px;
}
.field select::-ms-expand{display:none;}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2);}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}
.field textarea{min-height:88px;resize:vertical;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note{font-size:13px;color:var(--muted-2);margin-top:14px;margin-bottom:0;}

.form-error{
  display:none;align-items:flex-start;gap:10px;
  background:var(--crit-soft);border:1px solid var(--crit);border-radius:8px;
  color:var(--crit);font-size:13.5px;font-weight:500;line-height:1.55;padding:13px 15px;margin-bottom:18px;
}
.form-error.show{display:flex;}
.form-error svg{width:18px;height:18px;flex-shrink:0;margin-top:2px;}

.form-success{
  display:none;
  background:var(--accent-soft);border:1px solid var(--accent);border-radius:var(--radius);
  padding:20px 22px;color:var(--accent-dark);font-weight:500;
}
.form-success.show{display:block;}
form.hide-on-success{display:none;}

/* sequential teal ramp (magnitude / ordinal) */
:root{
  --seq-1:#E3EFEC;
  --seq-2:#B9D8D2;
  --seq-3:#7FB6AC;
  --seq-4:#146B63;
  --seq-5:#0F544D;
}

/* pagehead (subpages) */
.pagehead{padding:64px 0 20px;}
.pagehead .eyebrow{margin-bottom:16px;}
.pagehead h1{max-width:20ch;}
.pagehead .lede{font-size:18px;max-width:56ch;color:var(--muted);}
.breadcrumb{
  font-family:var(--font-mono);font-size:12.5px;color:var(--muted-2);margin-bottom:18px;
}
.breadcrumb a{color:var(--muted-2);text-decoration:none;}
.breadcrumb a:hover{color:var(--accent);}

/* architecture comparison */
.arch-compare{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start;}
.arch-col{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;display:flex;flex-direction:column;
}
.arch-col.accent{border:1.5px solid var(--accent);}
.arch-col-label{
  font-family:var(--font-mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted-2);margin-bottom:18px;
}
.arch-col.accent .arch-col-label{color:var(--accent);}
.arch-node{
  background:var(--bg-alt);border:1px solid var(--line-soft);border-radius:8px;
  padding:12px 14px;text-align:center;
}
.arch-col.accent .arch-node,.arch-node.accent{background:var(--accent-soft);border-color:transparent;}
.arch-node-title{font-size:14.5px;font-weight:600;color:var(--ink-soft);}
.arch-col.accent .arch-node-title,.arch-node.accent .arch-node-title{color:var(--accent-dark);}
.arch-note{display:block;font-size:12px;color:var(--muted-2);font-style:italic;margin-top:3px;}
.arch-col.accent .arch-note,.arch-node.accent .arch-note{color:var(--accent-dark);opacity:.8;}

/* walkthrough (step-by-step with diagrams) */
.walkthrough{border-top:1px solid var(--line);margin-top:38px;}
.wt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:48px 0;border-bottom:1px solid var(--line);
}
.wt-row.reverse .wt-copy{order:2;}
.wt-row.reverse .wt-visual{order:1;}
.wt-num{font-family:var(--font-mono);color:var(--accent);font-size:13px;margin-bottom:14px;}
.wt-copy h3{font-size:22px;margin-bottom:10px;}
.wt-copy p{margin:0;font-size:15.5px;color:var(--muted);max-width:40ch;}
.wt-visual{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;display:flex;align-items:center;justify-content:center;min-height:150px;
}
.wt-connect{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;}
.wt-connect .arch-node{margin:0;min-width:140px;}
.wt-arrow-h{font-family:var(--font-mono);font-size:12.5px;color:var(--muted-2);white-space:nowrap;text-align:center;}
.wt-visual .mini-funnel{width:100%;}
.rule-mock{width:100%;background:var(--bg-alt);border:1px solid var(--line-soft);border-radius:var(--radius-sm);padding:4px 18px;}
.rule-row{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13.5px;}
.rule-row:last-child{border-bottom:none;}
.rule-k{font-family:var(--font-mono);font-size:11.5px;color:var(--muted-2);white-space:nowrap;padding-top:1px;}
.rule-v{color:var(--ink-soft);font-weight:500;text-align:right;}
.wt-visual .alert-item{width:100%;}
.wt-notify{width:100%;display:flex;flex-direction:column;gap:14px;}
.wt-notify .flow-branches{margin-top:0;justify-content:flex-start;}
.arch-arrow{text-align:center;color:var(--muted-2);font-family:var(--font-mono);font-size:15px;padding:7px 0;}
.arch-col.accent .arch-arrow{color:var(--accent);}

/* horizontal flow (alerting pipeline) */
.flow-h{
  display:flex;align-items:stretch;gap:0;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;
}
.flow-step{
  flex:1 1 0;min-width:150px;padding:6px 14px;text-align:center;
}
.flow-step .flow-num{font-family:var(--font-mono);font-size:11.5px;color:var(--muted-2);margin-bottom:8px;}
.flow-step .flow-title{font-size:14.5px;font-weight:600;color:var(--ink-soft);margin-bottom:4px;}
.flow-step p{font-size:12.5px;margin:0;color:var(--muted-2);}
.flow-sep{
  display:flex;align-items:center;justify-content:center;
  color:var(--line);font-family:var(--font-mono);font-size:18px;padding:0 4px;
}
.flow-branches{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:12px;}
.flow-branch{
  font-family:var(--font-mono);font-size:12px;color:var(--ink-soft);
  background:var(--accent-soft);border-radius:999px;padding:5px 12px;
}

/* analysis-type cards */
.analysis-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.analysis-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;
}
.analysis-card h3{margin-bottom:6px;}
.analysis-card p{font-size:14.5px;margin-bottom:20px;}
.analysis-fig{
  background:var(--bg-alt);border-radius:8px;padding:18px;
}

/* mini funnel (ordinal) */
.mini-funnel .funnel-row{margin-bottom:9px;}
.mini-funnel .funnel-bar-track{height:20px;}
.mini-funnel .funnel-label{width:78px;font-size:11.5px;}
.mini-funnel .funnel-pct{font-size:11.5px;}

/* retention curve svg */
.chart-svg{width:100%;height:auto;display:block;}
.chart-caption{
  display:flex;justify-content:space-between;margin-top:10px;
  font-family:var(--font-mono);font-size:11px;color:var(--muted-2);
}

/* cohort heatmap */
.cohort-table{width:100%;border-collapse:separate;border-spacing:3px;}
.cohort-table th{
  font-family:var(--font-mono);font-weight:500;font-size:10.5px;color:var(--muted-2);
  text-transform:uppercase;padding-bottom:6px;text-align:center;
}
.cohort-table th:first-child{text-align:left;}
.cohort-table td{
  font-family:var(--font-mono);font-size:11.5px;text-align:center;
  border-radius:4px;padding:9px 4px;font-variant-numeric:tabular-nums;
}
.cohort-table td.rowlabel{
  font-family:var(--font-body);font-size:12px;color:var(--muted);text-align:left;
  padding-left:2px;font-weight:500;
}
.cohort-table td.empty{background:transparent;}
.cohort-table td.s1{background:var(--seq-1);color:var(--ink-soft);}
.cohort-table td.s2{background:var(--seq-2);color:var(--ink-soft);}
.cohort-table td.s3{background:var(--seq-3);color:#0C2825;}
.cohort-table td.s4{background:var(--seq-4);color:#FBFDFC;}
.cohort-table td.s5{background:var(--seq-5);color:#FBFDFC;}

/* faq */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0;}
.faq-item summary{
  cursor:pointer;font-family:var(--font-head);font-size:17px;font-weight:700;color:var(--ink);
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'+';font-family:var(--font-mono);font-size:20px;color:var(--accent);
  flex-shrink:0;width:20px;text-align:center;
}
.faq-item[open] summary::after{content:'\2212';}
.faq-item p{margin:14px 0 0;font-size:15px;max-width:64ch;color:var(--muted);}

/* timeline */
.timeline{display:flex;border-top:2px solid var(--line);margin-top:38px;position:relative;}
.tl-item{flex:1;padding-top:22px;position:relative;}
.tl-item::before{
  content:'';position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;
  background:var(--surface);border:2px solid var(--muted-2);
}
.tl-item.now::before,.tl-item.done::before{border-color:var(--accent);background:var(--accent);}
.tl-item .tl-when{font-family:var(--font-mono);font-size:11.5px;color:var(--muted-2);margin-bottom:6px;}
.tl-item.now .tl-when,.tl-item.done .tl-when{color:var(--accent);}
.tl-item h3{font-size:15.5px;margin-bottom:5px;}
.tl-item p{font-size:13px;margin:0;max-width:26ch;}

/* subprocessor / data table */
.data-table{width:100%;border-collapse:collapse;}
.data-table th{
  text-align:left;font-family:var(--font-mono);font-size:11px;text-transform:uppercase;
  letter-spacing:.05em;color:var(--muted-2);font-weight:500;
  padding:0 14px 10px;border-bottom:1px solid var(--line);
}
.data-table td{
  padding:14px;border-bottom:1px solid var(--line-soft);font-size:14px;color:var(--ink-soft);
}
.data-table td:first-child,.data-table th:first-child{padding-left:0;}

/* svg chart text helpers */
.svg-label{font-family:var(--font-mono);font-size:9px;fill:var(--muted-2);}
.svg-label-strong{font-family:var(--font-mono);font-size:9.5px;font-weight:600;fill:var(--ink-soft);}
.svg-grid-line{stroke:var(--line);stroke-width:1;}

/* boundary / data-flow diagram */
.boundary-diagram{
  display:flex;align-items:center;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 30px;
}
.bd-node{
  background:var(--bg-alt);border-radius:8px;padding:16px 20px;text-align:center;
  flex-shrink:0;min-width:150px;
}
.bd-node .arch-node-title{display:block;font-size:14.5px;font-weight:600;color:var(--ink-soft);}
.bd-node.inside{background:var(--accent-soft);}
.bd-node.inside .arch-node-title{color:var(--accent-dark);}
.bd-arrows{flex:1;display:flex;flex-direction:column;gap:12px;padding:0 22px;align-items:center;}
.bd-arrow-row{font-family:var(--font-mono);font-size:12px;color:var(--muted-2);white-space:nowrap;}
.bd-boundary{
  border:1.5px dashed var(--accent);border-radius:12px;padding:22px 26px;
  position:relative;flex-shrink:0;
}
.bd-boundary-label{
  position:absolute;top:-11px;left:16px;background:var(--surface);padding:0 8px;
  font-family:var(--font-mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--accent);
}

/* split list (two-column plain comparison) */
.split-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;}

/* stat tile */
.stat-tile{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;
}
.stat-value{
  font-family:var(--font-body);font-weight:700;font-size:38px;color:var(--accent-dark);
  line-height:1;margin-bottom:10px;letter-spacing:-.01em;
}
.stat-label{font-size:14px;color:var(--muted);line-height:1.5;}

/* research entry */
.research-entry{
  padding:44px 0;border-top:1px solid var(--line);
  display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:start;
}
.research-entry:first-child{border-top:none;padding-top:0;}
.research-entry h3{font-size:24px;}
.research-entry .stat-tile{position:sticky;top:96px;}
.research-source{
  font-family:var(--font-mono);font-size:12.5px;color:var(--muted-2);margin-top:14px;
}

.trust-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr));}

/* pricing tiers */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.tier-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;display:flex;flex-direction:column;
}
.tier-card.highlight{border:1.5px solid var(--accent);}
.tier-name{
  font-family:var(--font-mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted-2);margin-bottom:10px;
}
.tier-card.highlight .tier-name{color:var(--accent);}
.tier-card h3{font-size:21px;margin-bottom:8px;}
.tier-fit{font-size:14.5px;color:var(--muted);margin-bottom:22px;}
.tier-features{list-style:none;margin:0 0 24px;padding:0;flex:1;}
.tier-features li{
  font-size:14px;color:var(--ink-soft);padding:10px 0;border-top:1px solid var(--line-soft);
  display:flex;gap:10px;align-items:flex-start;
}
.tier-features li:first-child{border-top:none;}
.tier-features li::before{
  content:'';width:5px;height:5px;border-radius:50%;background:var(--accent);
  flex-shrink:0;margin-top:7px;
}

/* cta band */
.cta-band{text-align:center;}
.cta-band .section-intro{margin:0 auto 26px;}
.cta-band h2{margin-bottom:14px;}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:44px 0;}
.site-footer .wrap{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px;
}
.foot-brand{display:flex;align-items:center;gap:9px;font-family:var(--font-head);font-weight:700;font-size:17px;}
.foot-brand .mark{width:18px;height:18px;}
.foot-links{display:flex;gap:16px 26px;flex-wrap:wrap;}
.foot-links a{font-size:14px;color:var(--muted);text-decoration:none;}
.foot-links a:hover{color:var(--accent);}
.foot-meta{font-size:13px;color:var(--muted-2);}

/* responsive */
@media (max-width:980px){
  h1{font-size:42px;}
  h2{font-size:28px;}
  .hero .wrap{grid-template-columns:1fr;}
  .mock{max-width:460px;}
  .feat-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .notif-wrap{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .nav-links{
    display:none;
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--surface);border-bottom:1px solid var(--line);
    border-radius:0;padding:8px 24px 20px;
    box-shadow:0 18px 30px -20px rgba(19,32,29,.25);
  }
  .nav-links.open{display:flex;}
  .nav-links a:not(.mobile-cta){
    padding:14px 2px;border-radius:0;background:none;box-shadow:none;
    font-size:15.5px;font-weight:500;color:var(--ink-soft);
    border-bottom:1px solid var(--line-soft);
  }
  .nav-links a.active:not(.mobile-cta){color:var(--accent);}
  .nav-links .mobile-cta{
    display:block;text-align:center;margin-top:16px;padding:12px;
    border-bottom:none;color:#fff;
  }
  .nav-cta{display:none;}
  .menu-toggle{display:flex;}
  .arch-compare{grid-template-columns:1fr;}
  .analysis-grid{grid-template-columns:1fr;}
  .timeline{flex-direction:column;border-top:none;border-left:2px solid var(--line);gap:26px;}
  .tl-item{padding-top:0;padding-left:22px;}
  .tl-item::before{top:2px;left:-7px;}
  .research-entry{grid-template-columns:1fr;}
  .research-entry .stat-tile{position:static;max-width:220px;}
  .trust-grid.cols-3{grid-template-columns:1fr;}
  .tier-grid{grid-template-columns:1fr;}
  .wt-row{grid-template-columns:1fr;gap:24px;}
  .wt-row.reverse .wt-copy{order:1;}
  .wt-row.reverse .wt-visual{order:2;}
  .app-sidebar{width:132px;}
  .app-stats{grid-template-columns:1fr;}
  .query-split{grid-template-columns:1fr;}
}
@media (max-width:660px){
  .wrap{padding:0 20px;}
  h1{font-size:34px;}
  .hero{padding:48px 0 64px;}
  section{padding:56px 0;}
  .feat-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .form-section{padding:28px 22px;}
  .mock-toast{position:static;width:100%;margin-top:16px;}
  .site-footer .wrap{flex-direction:column;align-items:flex-start;}
  .foot-links{gap:10px 18px;}
  .flow-h{flex-direction:column;}
  .flow-sep{transform:rotate(90deg);padding:4px 0;}
  .cohort-table{font-size:10px;}
  .pagehead h1{max-width:none;}
  .boundary-diagram{flex-direction:column;}
  .bd-arrows{flex-direction:row;padding:16px 0;}
  .split-list{grid-template-columns:1fr;}
  .app-body{flex-direction:column;}
  .app-sidebar{
    width:100%;flex-direction:row;overflow-x:auto;gap:6px;
    border-right:none;border-bottom:1px solid var(--line-soft);
  }
  .app-content{padding:20px 18px;}
}