/* Lead Horse — ChatGPT Ads feed landing kit
   Shared design system + primitives. Each page sets its own theme vars
   (light / dark) and adds a signature hero in an inline <style>. */

/* ---------- tokens (defaults = light "paper") ---------- */
:root{
  --navy:#0E2440; --deep:#081627; --orange:#F26A1E; --orange-h:#ff7d33;
  --paper:#F6F4EF; --paper2:#EFEBE2; --card:#fff;
  --green:#1E9E6B; --amber:#E2952A; --red:#D8513A; --teal:#10A37F;

  /* semantic — overridden per page theme */
  --bg:var(--paper); --bg-alt:var(--paper2); --surface:#fff; --surface-2:#fbfaf7;
  --ink:#0E2440; --muted:#5a6b80; --line:#e3ded3; --line2:#dfe3ea;
  --accent:var(--orange); --accent-h:var(--orange-h); --on-accent:#fff;
  --field-bg:#fafafa; --good:var(--green); --warn:var(--amber); --bad:var(--red);
  --shadow:0 24px 50px -28px rgba(14,36,64,.34);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:'Archivo',system-ui,sans-serif;background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;line-height:1.55;}
.mono{font-family:'JetBrains Mono',ui-monospace,monospace;}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px;}
.narrow{max-width:900px;margin:0 auto;padding:0 32px;}
h1,h2,h3{margin:0;line-height:1.05;letter-spacing:-.022em;font-weight:800;}
p{margin:0;text-wrap:pretty;}
a{color:inherit;}

.eyebrow{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:500;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:inherit;font-weight:700;
  font-size:15px;border:1px solid transparent;cursor:pointer;border-radius:11px;padding:14px 22px;
  text-decoration:none;transition:.16s;white-space:nowrap;}
.btn-primary{background:var(--accent);color:var(--on-accent);box-shadow:0 12px 26px -12px color-mix(in srgb,var(--accent) 70%,transparent);}
.btn-primary:hover{background:var(--accent-h);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line2);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn svg{flex:0 0 auto;}

/* ---------- nav ---------- */
nav{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-in{display:flex;align-items:center;gap:14px;height:66px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:18px;letter-spacing:-.01em;color:var(--ink);text-decoration:none;}
.logo .dot{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent);}
.logo small{font-family:'JetBrains Mono',monospace;font-weight:500;font-size:10px;letter-spacing:.13em;color:var(--muted);text-transform:uppercase;margin-left:2px;}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:26px;}
.nav-links a.lk{font-size:14px;font-weight:600;color:var(--muted);text-decoration:none;transition:.15s;}
.nav-links a.lk:hover{color:var(--ink);}
.nav-cta{padding:11px 18px;font-size:14px;}
@media(max-width:820px){.nav-links a.lk{display:none;}}

/* ---------- section scaffolding ---------- */
.section{padding:84px 0;}
.section.alt{background:var(--bg-alt);}
.sec-head{max-width:760px;margin-bottom:46px;}
.sec-head.ctr{text-align:center;margin-inline:auto;}
.sec-head h2{font-size:clamp(28px,3.5vw,46px);margin-top:13px;}
.sec-head p{color:var(--muted);font-size:18px;margin-top:15px;line-height:1.55;}

/* ---------- before / after feed card ---------- */
.feedcard{background:var(--surface);border:1px solid var(--line2);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);}
.fc-head{display:flex;align-items:center;gap:10px;padding:15px 18px;border-bottom:1px solid var(--line2);background:var(--surface-2);}
.fc-head .fc-dot{width:9px;height:9px;border-radius:50%;}
.fc-head .fc-t{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.04em;color:var(--muted);}
.fc-toggle{margin-left:auto;display:inline-flex;background:var(--bg-alt);border:1px solid var(--line2);border-radius:99px;padding:3px;gap:2px;}
.fc-toggle button{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border:none;background:none;color:var(--muted);cursor:pointer;padding:6px 13px;border-radius:99px;transition:.16s;}
.fc-toggle button.on{background:var(--ink);color:var(--bg);}
.fc-body{padding:20px;display:flex;flex-direction:column;gap:14px;}
.fc-field{}
.fc-k{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:8px;margin-bottom:7px;}
.fc-k .pill{font-size:10px;padding:2px 7px;border-radius:99px;font-weight:600;letter-spacing:.02em;}
.fc-val{font-size:15px;line-height:1.5;border:1px solid var(--line2);border-radius:10px;padding:12px 14px;background:var(--field-bg);}
.fc-state-before .fc-val{color:var(--muted);}
.fc-state-before .pill{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad);}
.fc-state-after .fc-val{color:var(--ink);border-color:color-mix(in srgb,var(--good) 40%,transparent);background:color-mix(in srgb,var(--good) 7%,transparent);}
.fc-state-after .pill{background:color-mix(in srgb,var(--good) 14%,transparent);color:var(--good);}
.fc-val .hl{background:color-mix(in srgb,var(--good) 16%,transparent);border-radius:4px;padding:1px 5px;}
.fc-foot{padding:13px 18px;border-top:1px solid var(--line2);font-family:'JetBrains Mono',monospace;font-size:12px;display:flex;gap:8px;align-items:center;}
.fc-state-before .fc-foot{color:var(--bad);}
.fc-state-after .fc-foot{color:var(--good);}

/* ---------- intent comparison (ask / weak / better) ---------- */
.intent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.intent-col{background:var(--surface);border:1px solid var(--line2);border-radius:16px;padding:8px;}
.intent-col .ic-h{display:flex;align-items:center;gap:9px;padding:14px 14px 12px;}
.intent-col .ic-h .lab{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;font-weight:600;}
.intent-col .ic-row{font-size:14.5px;line-height:1.45;padding:13px 14px;border-radius:11px;margin:4px;}
.intent-col.ask .ic-h .lab{color:var(--navy);}
.intent-col.ask .ic-row{background:var(--bg-alt);color:var(--ink);font-weight:500;}
.intent-col.weak .ic-h .lab{color:var(--bad);}
.intent-col.weak .ic-row{background:color-mix(in srgb,var(--bad) 7%,transparent);color:var(--muted);font-family:'JetBrains Mono',monospace;font-size:13px;}
.intent-col.better .ic-h .lab{color:var(--good);}
.intent-col.better .ic-row{background:color-mix(in srgb,var(--good) 8%,transparent);color:var(--ink);font-weight:500;}
.intent-col .badgeico{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.intent-col.ask .badgeico{background:color-mix(in srgb,var(--navy) 10%,transparent);color:var(--navy);}
.intent-col.weak .badgeico{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad);}
.intent-col.better .badgeico{background:color-mix(in srgb,var(--good) 13%,transparent);color:var(--good);}
@media(max-width:820px){.intent-grid{grid-template-columns:1fr;}}

/* ---------- issue cards (what goes wrong) ---------- */
.issue-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line2);border:1px solid var(--line2);border-radius:16px;overflow:hidden;}
.issue{background:var(--surface);padding:24px 22px;}
.issue .ic{width:34px;height:34px;border-radius:9px;background:color-mix(in srgb,var(--bad) 10%,transparent);color:var(--bad);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.issue h3{font-size:15.5px;margin-bottom:7px;line-height:1.25;}
.issue p{color:var(--muted);font-size:13.5px;line-height:1.5;}
@media(max-width:980px){.issue-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.issue-grid{grid-template-columns:1fr;}}

/* ---------- process steps (vertical, numbered) ---------- */
.proc{display:flex;flex-direction:column;gap:14px;}
.proc-step{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;background:var(--surface);
  border:1px solid var(--line2);border-radius:16px;padding:26px 28px;transition:.16s;}
.proc-step:hover{border-color:color-mix(in srgb,var(--accent) 45%,transparent);}
.proc-num{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:15px;color:var(--on-accent);
  background:var(--accent);width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;}
.proc-step h3{font-size:21px;margin-bottom:8px;}
.proc-step p{color:var(--muted);font-size:15.5px;line-height:1.55;}
.proc-step .fields{margin-top:12px;display:flex;flex-wrap:wrap;gap:7px;}
.proc-step .fields span{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--muted);
  background:var(--bg-alt);border:1px solid var(--line2);border-radius:7px;padding:5px 9px;}

/* ---------- deliverables ---------- */
.deliv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.deliv{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line2);
  border-radius:12px;padding:16px 18px;font-weight:600;font-size:14.5px;}
.deliv svg{flex:0 0 auto;color:var(--good);}
@media(max-width:820px){.deliv-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.deliv-grid{grid-template-columns:1fr;}}

/* ---------- who it's for / not for ---------- */
.fortwo{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.forcol{background:var(--surface);border:1px solid var(--line2);border-radius:18px;padding:30px;}
.forcol.yes{border-color:color-mix(in srgb,var(--good) 35%,transparent);}
.forcol h3{font-size:20px;display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.forcol h3 .tag{width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.forcol.yes .tag{background:color-mix(in srgb,var(--good) 14%,transparent);color:var(--good);}
.forcol.no .tag{background:color-mix(in srgb,var(--muted) 14%,transparent);color:var(--muted);}
.forlist{display:flex;flex-direction:column;gap:12px;}
.forlist li{list-style:none;display:flex;gap:11px;font-size:15px;line-height:1.45;color:var(--ink);}
.forlist li svg{flex:0 0 auto;margin-top:3px;}
.forcol.yes .forlist li svg{color:var(--good);}
.forcol.no .forlist li{color:var(--muted);}
.forcol.no .forlist li svg{color:var(--muted);}
ul{margin:0;padding:0;}
@media(max-width:820px){.fortwo{grid-template-columns:1fr;}}

/* ---------- checklist ---------- */
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.chk{display:flex;gap:13px;align-items:flex-start;background:var(--surface);border:1px solid var(--line2);
  border-radius:12px;padding:16px 18px;font-size:15px;line-height:1.45;}
.chk .box{flex:0 0 auto;width:22px;height:22px;border-radius:6px;border:2px solid var(--line2);margin-top:1px;
  display:flex;align-items:center;justify-content:center;color:var(--accent);}
@media(max-width:820px){.checklist{grid-template-columns:1fr;}}

/* ---------- lead form ---------- */
.lead{display:grid;grid-template-columns:.92fr 1.08fr;gap:50px;align-items:start;}
.lead-aside h2{font-size:clamp(28px,3.3vw,42px);}
.lead-aside p{color:var(--muted);font-size:17px;margin-top:16px;line-height:1.55;}
.lead-points{margin-top:26px;display:flex;flex-direction:column;gap:13px;}
.lead-points .lp{display:flex;gap:11px;align-items:flex-start;font-size:15px;font-weight:500;}
.lead-points .lp svg{flex:0 0 auto;margin-top:2px;color:var(--good);}
.formcard{background:var(--surface);border:1px solid var(--line2);border-radius:20px;padding:30px;box-shadow:var(--shadow);}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:14px;}
.field.full{grid-column:1/-1;}
.field label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.01em;margin-bottom:7px;color:var(--ink);}
.field label .opt{color:var(--muted);font-weight:500;font-family:'JetBrains Mono',monospace;font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;margin-left:6px;}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:15px;padding:12px 14px;border-radius:10px;
  border:1.5px solid var(--line2);background:var(--field-bg);color:var(--ink);transition:.15s;}
.field textarea{resize:vertical;min-height:88px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 16%,transparent);}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a6b80' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;}
.form-submit{width:100%;margin-top:6px;font-size:16px;padding:16px;}
.form-reassure{font-size:13px;color:var(--muted);text-align:center;margin-top:14px;line-height:1.5;}
.form-done{display:none;text-align:center;padding:30px 10px;}
.form-done.on{display:block;}
.form-done .ck{width:56px;height:56px;border-radius:50%;background:color-mix(in srgb,var(--good) 14%,transparent);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;}
.form-done h3{font-size:22px;}
.form-done p{color:var(--muted);font-size:15px;margin-top:10px;max-width:34ch;margin-inline:auto;line-height:1.55;}
@media(max-width:880px){.lead{grid-template-columns:1fr;gap:34px;}}
@media(max-width:520px){.frow{grid-template-columns:1fr;}}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;}
.qa{border-bottom:1px solid var(--line);}
.qa button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;background:none;border:none;
  cursor:pointer;font-family:inherit;text-align:left;font-size:18px;font-weight:700;color:var(--ink);padding:22px 0;}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted);font-size:15.5px;line-height:1.6;}
.qa .ans p{padding-bottom:22px;max-width:68ch;}
.qa .pm{flex:0 0 auto;color:var(--accent);font-size:24px;transition:.2s;line-height:1;}
.qa.open .pm{transform:rotate(45deg);}

/* ---------- credibility bullets (hero) ---------- */
.cred{margin-top:26px;display:flex;flex-direction:column;gap:11px;}
.cred .cb{display:flex;gap:11px;align-items:flex-start;font-size:15px;font-weight:500;color:var(--ink);}
.cred .cb svg{flex:0 0 auto;margin-top:2px;color:var(--good);}

/* ---------- footer ---------- */
footer{background:var(--deep);color:#7f93ac;border-top:1px solid #15294a;}
.foot-in{display:flex;gap:26px;align-items:center;padding:34px 0;flex-wrap:wrap;font-size:13px;}
.foot-in .logo{color:#fff;}
.foot-in .logo small{color:#7f93ac;}
.foot-in .sep{margin-left:auto;}
footer a{color:#9fb1c7;text-decoration:none;}
footer a:hover{color:#fff;}

/* ---------- cta band ---------- */
.ctaband{text-align:center;}
.ctaband .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px;}

/* ---------- field gap (Google vs ChatGPT / AI fields) ---------- */
.fieldgap{display:grid;grid-template-columns:.82fr 1.18fr;gap:20px;align-items:stretch;}
.fg-col{background:var(--surface);border:1px solid var(--line2);border-radius:18px;padding:26px;}
.fg-col.ai{border-color:color-mix(in srgb,var(--accent) 38%,transparent);}
.fg-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.fg-h .src{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  font-weight:600;padding:5px 10px;border-radius:99px;}
.fg-col.google .fg-h .src{color:var(--muted);background:var(--bg-alt);border:1px solid var(--line2);}
.fg-col.ai .fg-h .src{color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);}
.fg-h .fg-tag{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.03em;color:var(--accent);font-weight:600;margin-left:auto;}
.fg-col h3{font-size:18px;margin:15px 0 4px;}
.fg-col .fg-sub{color:var(--muted);font-size:13.5px;line-height:1.5;margin-bottom:16px;}
.fg-chips{display:flex;flex-wrap:wrap;gap:7px;}
.fg-chip{font-family:'JetBrains Mono',monospace;font-size:12px;padding:6px 10px;border-radius:8px;
  border:1px solid var(--line2);background:var(--bg-alt);color:var(--muted);}
.fg-chip.new{border-color:color-mix(in srgb,var(--accent) 34%,transparent);background:color-mix(in srgb,var(--accent) 10%,transparent);color:var(--accent);font-weight:600;}
.fg-group{margin-top:15px;}
.fg-group .gl{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;}
@media(max-width:880px){.fieldgap{grid-template-columns:1fr;}}

/* ---------- api push (it's not an upload) ---------- */
.apipush{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;}
.ap-steps{display:flex;flex-direction:column;gap:14px;margin:24px 0 20px;}
.ap-step{display:grid;grid-template-columns:auto 1fr;gap:15px;align-items:start;}
.ap-step .n{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:13px;color:var(--on-accent);
  background:var(--accent);width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.ap-step h4{font-size:15.5px;margin:0 0 3px;font-weight:700;}
.ap-step p{color:var(--muted);font-size:14px;line-height:1.5;}
.ap-reassure{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;
  background:var(--bg-alt);border:1px solid var(--line2);border-radius:11px;padding:12px 16px;}
.ap-reassure svg{flex:0 0 auto;color:var(--good);}
.jsoncard{background:var(--surface);border:1px solid var(--line2);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);}
.jc-bar{display:flex;align-items:center;gap:9px;padding:13px 18px;border-bottom:1px solid var(--line2);background:var(--surface-2);
  font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.03em;color:var(--muted);}
.jc-bar .g{width:8px;height:8px;border-radius:50%;background:var(--good);}
.jsoncard pre{margin:0;padding:18px 20px;font-family:'JetBrains Mono',monospace;font-size:12.5px;line-height:1.7;color:var(--ink);overflow-x:auto;}
.jc-k{color:var(--accent);}
.jc-s{color:var(--good);}
.jc-b{color:var(--teal);font-weight:600;}
.jc-f{color:var(--bad);font-weight:600;}
@media(max-width:880px){.apipush{grid-template-columns:1fr;gap:30px;}}