/* ============================================================
   DEMAND ENGINE — sending.ac
   precision-operations / industrial-editorial
   ============================================================ */

:root{
  --paper:#F2EFE6;
  --paper-2:#EAE6DA;
  --ink:#131311;
  --ink-soft:#3A3A34;
  --steel:#6E6D63;
  --signal:#FF4A1C;
  --signal-soft:#FF6A3D;
  --line:rgba(19,19,17,.16);
  --line-strong:rgba(19,19,17,.34);
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --display:'Anton','Arial Narrow',sans-serif;
  --body:'Archivo',system-ui,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* subtle grain overlay */
body::after{
  content:"";
  position:fixed;inset:0;
  pointer-events:none;z-index:60;
  opacity:.5;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}

/* ---------- layout helpers ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.section{padding:96px 0;position:relative}
.grid{display:grid;gap:0}

.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--steel);
  display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--signal)}

h1,h2,h3{font-family:var(--display);font-weight:400;line-height:.95;text-transform:uppercase}
h1{font-size:clamp(44px,8vw,96px);letter-spacing:.005em}
h2{font-size:clamp(32px,5.4vw,64px);margin:14px 0 8px}
h3{font-size:26px}
.lede{font-size:clamp(17px,2vw,21px);color:var(--ink-soft);max-width:640px;margin-top:18px}
p{color:var(--ink-soft)}

.num{font-family:var(--mono);font-size:13px;letter-spacing:.08em}

/* ---------- top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(242,239,230,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-mark{width:26px;height:26px;display:grid;place-items:center}
.brand-name{font-family:var(--mono);font-size:14px;letter-spacing:.02em;font-weight:600}
.brand-name .ac{color:var(--signal)}
nav{display:flex;align-items:center;gap:26px}
nav a{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;
  text-decoration:none;color:var(--ink-soft)}
nav a:hover{color:var(--signal)}
.btn{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;
  background:var(--ink);color:var(--paper);border:none;padding:12px 20px;cursor:pointer;
  text-decoration:none;display:inline-block;transition:background .15s,color .15s;
}
.btn:hover{background:var(--signal)}
.btn.signal{background:var(--signal);color:#fff}
.btn.signal:hover{background:var(--ink)}
.nav-cta{margin-left:10px}
.burger{display:none;background:none;border:1px solid var(--line-strong);padding:8px 10px;cursor:pointer}

/* ---------- hero ---------- */
.hero{padding:84px 0 72px;position:relative;overflow:hidden}
.hero-grid{
  position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:120px 120px;
  mask-image:linear-gradient(180deg,#000 0%,transparent 75%);
}
.hero .tagline{font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:#57574F}
.hero h1{margin:22px 0 0;max-width:1000px}
.hero h1 .accent{color:var(--signal)}
.hero .lede{margin-top:26px}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px;align-items:center}
.hero .proof-note{font-family:var(--mono);font-size:12px;color:#57574F;letter-spacing:.04em}
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:2px solid var(--ink);border-bottom:1px solid var(--line);
  margin-top:64px;
}
.stat{border-right:1px solid var(--line);padding:26px 20px 22px}
.stat:last-child{border-right:none}
.stat .v{font-family:var(--display);font-size:clamp(30px,4vw,52px);line-height:1;color:var(--ink)}
.stat .v sup{color:var(--signal)}
.stat .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);margin-top:10px;line-height:1.5}

/* ---------- section header ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.sec-head h2{margin:8px 0 0}
.sec-head .no{font-family:var(--display);font-size:64px;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px var(--line-strong);user-select:none}

/* ---------- process ---------- */
.steps{border-top:2px solid var(--ink)}
.step{
  display:grid;grid-template-columns:120px 1fr 220px;gap:28px;
  padding:30px 0;border-bottom:1px solid var(--line);align-items:start;
  transition:background .2s;
}
.step:hover{background:var(--paper-2)}
.step .no{font-family:var(--display);font-size:34px;color:var(--signal)}
.step h3{margin-bottom:6px}
.step .desc{font-size:14.5px}
.step .out{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--steel);line-height:1.6}
.step .out b{color:var(--ink);font-weight:600}

/* ---------- niches ---------- */
.niche-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-strong);border:1px solid var(--line-strong)}
.niche{background:var(--paper);padding:32px}
.niche .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.niche h3{margin:12px 0 8px}
.niche .val{font-family:var(--mono);font-size:13px;color:var(--signal);letter-spacing:.02em;margin-top:14px}

/* ---------- offer / pricing ---------- */
.offer-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:1px;background:var(--line-strong);border:1px solid var(--line-strong)}
.offer-main{background:var(--paper);padding:38px}
.offer-side{background:var(--ink);color:var(--paper);padding:38px}
.offer-side *{color:var(--paper)}
.offer-side .price{font-family:var(--display);font-size:52px;line-height:1;margin:14px 0 4px}
.offer-side .price small{font-family:var(--mono);font-size:14px;letter-spacing:.08em;color:var(--paper)}
.offer-side .per{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:rgba(242,239,230,.7)}
.offer-side ul{list-style:none;margin-top:20px}
.offer-side li{font-size:13.5px;padding:8px 0;border-bottom:1px solid rgba(242,239,230,.16);display:flex;gap:10px}
.offer-side li::before{content:"+";color:var(--signal);font-family:var(--mono)}
.offer-main ul{list-style:none;margin:6px 0 0}
.offer-main li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px;display:grid;grid-template-columns:220px 1fr;gap:16px}
.offer-main li b{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);padding-top:3px}
.offer-main li span{color:var(--ink-soft)}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-strong);border:1px solid var(--line-strong)}
.tl{background:var(--paper);padding:24px}
.tl .d{font-family:var(--display);font-size:22px;color:var(--signal)}
.tl .w{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);margin:4px 0 10px}
.tl p{font-size:13px;line-height:1.5}

/* ---------- proof / honesty ---------- */
.proof-block{border:1px solid var(--line-strong);background:var(--paper-2);padding:34px;position:relative}
.proof-block::before{content:"CASE STUDY SLOT";font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--signal);position:absolute;top:16px;right:20px}
.proof-block h3{margin-bottom:8px}
.honesty{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-strong);border:1px solid var(--line-strong);margin-top:1px}
.honesty div{background:var(--paper);padding:24px}
.honesty h4{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}
.honesty p{font-size:13.5px}

/* ---------- faq ---------- */
.faq{border-top:2px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-family:var(--display);font-size:20px;text-transform:uppercase;letter-spacing:.01em;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:22px;color:var(--signal);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{font-size:14.5px;color:var(--ink-soft);max-width:760px;padding:12px 0 4px}

/* ---------- cta / contact ---------- */
.cta-band{background:var(--ink);color:var(--paper)}
.cta-band *{color:var(--paper)}
.cta-band .wrap{padding-top:96px;padding-bottom:96px}
.cta-band h2{font-size:clamp(34px,6vw,72px)}
.cta-band h2 .accent{color:var(--signal)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:48px}
.form label{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:rgba(242,239,230,.65);display:block;margin:16px 0 6px}
.form input,.form textarea,.form select{
  width:100%;background:transparent;border:1px solid rgba(242,239,230,.35);
  color:var(--paper);padding:12px 12px;font-family:var(--body);font-size:15px;border-radius:0;
}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--signal)}
.form select{appearance:none;background:transparent}
.form option{color:var(--ink)}
.form .btn{margin-top:24px}
.form .status{font-family:var(--mono);font-size:13px;margin-top:14px;min-height:20px}
.form .status.ok{color:#7CFC9A}
.form .status.err{color:#FF8A70}
.contact-side p{font-size:14.5px;color:rgba(242,239,230,.75);margin-bottom:18px}
.contact-side .k{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--signal);display:block;margin-top:22px}
.contact-side a{color:var(--paper);text-decoration:none;border-bottom:1px solid var(--signal)}
.contact-side a:hover{color:var(--signal)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line-strong)}
footer .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:28px;padding-bottom:28px;gap:20px;flex-wrap:wrap}
footer .fnote{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--steel);line-height:1.7}

/* ---------- weekly report demo ---------- */
.report-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.report-card{
  background:var(--ink);color:var(--paper);padding:30px 34px;
  font-family:var(--mono);font-size:12.5px;line-height:1.75;
  border:1px solid var(--line-strong);box-shadow:12px 12px 0 rgba(19,19,17,.08);
}
.report-card .rhead{display:flex;justify-content:space-between;border-bottom:1px solid rgba(242,239,230,.25);padding-bottom:10px;margin-bottom:12px;letter-spacing:.06em}
.report-card .rhead b{color:var(--signal);font-weight:600}
.report-card .row{display:flex;justify-content:space-between}
.report-card .row b{color:#fff;font-weight:600}
.report-card .row .v{color:var(--signal)}
.report-card .sec{color:rgba(242,239,230,.55);margin:14px 0 4px;text-transform:uppercase;font-size:11px;letter-spacing:.12em}
.report-card .bar{height:4px;background:rgba(242,239,230,.14);margin:2px 0 10px}
.report-card .bar i{display:block;height:100%;background:var(--signal)}
.report-note{font-family:var(--mono);font-size:12px;color:var(--steel);line-height:1.8;margin-top:22px;max-width:480px}
.report-side .eyebrow{margin-bottom:10px}
.report-side h2{margin:10px 0}
@media(max-width:900px){.report-wrap{grid-template-columns:1fr}}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--paper);
      border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:16px 28px 24px}
  nav.open{display:flex}
  .burger{display:block}
  .nav-cta{margin-left:0;margin-top:8px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .step{grid-template-columns:1fr;gap:8px}
  .niche-grid{grid-template-columns:1fr}
  .offer-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .honesty{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .sec-head{flex-direction:column;align-items:flex-start}
  .sec-head .no{display:none}
}

/* outcome claim under the H1 (headline decision: role line + outcome subhead) */
.hero .claim{font-family:var(--mono);font-size:clamp(15px,1.6vw,19px);font-weight:600;letter-spacing:.01em;color:var(--ink);margin:14px 0 0;max-width:760px}

/* client video evidence strip */
.video-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:30px}
.vthumb{display:block;border:1px solid var(--ink);background:var(--paper);text-decoration:none;color:var(--ink)}
.vthumb img{display:block;width:100%;height:auto;border-bottom:1px solid var(--ink)}
.vthumb span{display:block;padding:10px 12px;font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;color:#57574F}
.vthumb:hover{border-color:var(--signal)}
.vthumb:hover span{color:var(--signal)}
@media(max-width:760px){.video-strip{grid-template-columns:1fr}}