:root{
  --bg:#FAF9F6;
  --ink:#1A1917;
  --charcoal:#33312D;
  --beige:#E4DDC9;
  --beige-deep:#D9CFB3;
  --line:#D8D2C2;
  --grey:#8C8776;
  --white:#FFFFFF;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--charcoal);
  font-family:'Inter',sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Newsreader',serif;
  color:var(--ink);
  margin:0;
  font-weight:500;
  letter-spacing:-0.01em;
}
.mono{
  font-family:'IBM Plex Mono',monospace;
  letter-spacing:0.04em;
  text-transform:uppercase;
  font-size:12px;
}
a{color:inherit;}
.wrap{max-width:1140px;margin:0 auto;padding:0 32px;}
@media (max-width:640px){.wrap{padding:0 20px;}}

/* NAV */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(250,249,246,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{font-family:'Newsreader',serif;font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-0.01em;text-decoration:none;}
.logo span{color:var(--grey);font-weight:400;}
.navlinks{display:flex;gap:36px;align-items:center;}
.navlinks a{
  font-size:14px;text-decoration:none;color:var(--charcoal);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:border-color 0.2s;
}
.navlinks a:hover,.navlinks a.active{border-color:var(--ink);}
.nav-cta{
  background:var(--ink);border-radius:2px;
  font-size:14px;white-space:nowrap;display:inline-block;
  padding:9px 18px;
}
.navlinks a.nav-cta{color:var(--bg);}
.nav-cta:hover{background:#000;}
@media (max-width:640px){ .navlinks a:not(.nav-cta){display:none;} }

/* HERO */
.hero{padding:88px 0 100px;}
.hero-grid{display:grid;grid-template-columns:1.15fr 0.85fr;gap:64px;align-items:center;}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:48px;}}
.eyebrow{color:var(--grey);margin-bottom:20px;display:block;}
.hero h1{font-size:46px;line-height:1.12;}
@media (max-width:640px){.hero h1{font-size:34px;}}
.hero p.sub{
  margin-top:22px;font-size:17px;line-height:1.6;color:var(--charcoal);
  max-width:460px;
}
.ai-note{
  margin-top:16px;font-size:13.5px;line-height:1.6;color:var(--grey);
  max-width:460px;padding-top:14px;border-top:1px dashed var(--line);
}
.ai-note strong{color:var(--charcoal);font-weight:500;}
.hero-ctas{margin-top:34px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;}
.btn-primary{
  background:var(--ink);color:var(--bg);padding:13px 24px;border-radius:2px;
  text-decoration:none;font-size:15px;display:inline-block;
}
.btn-primary:hover{background:#000;}
.btn-secondary{
  text-decoration:none;font-size:15px;color:var(--charcoal);
  border-bottom:1px solid var(--grey);padding-bottom:3px;
}

/* PAGE HEADER (product / how-it-works) */
.page-header{padding:72px 0 56px;border-bottom:1px solid var(--line);background:var(--white);}
.page-header h1{font-size:40px;line-height:1.2;max-width:640px;}
@media (max-width:640px){.page-header h1{font-size:30px;}}
.page-header p.sub{margin-top:18px;font-size:16.5px;line-height:1.65;max-width:560px;color:var(--charcoal);}

/* LEDGER */
.ledger{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:3px;
  padding:26px 26px 10px;
}
.ledger-head{
  display:flex;justify-content:space-between;align-items:baseline;
  border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:6px;
}
.ledger-head .mono{color:var(--grey);}
.ledger-title{font-family:'Newsreader',serif;font-size:15px;color:var(--ink);font-style:italic;}
.ledger-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:14px;
}
.ledger-row:last-child{border-bottom:none;}
.ledger-time{font-family:'IBM Plex Mono',monospace;color:var(--grey);font-size:12px;width:70px;flex-shrink:0;}
.ledger-mid{flex:1;padding:0 12px;}
.ledger-missed{color:var(--grey);text-decoration:line-through;font-size:13px;}
.ledger-arrow{color:var(--line);margin:0 8px;}
.ledger-answered{color:var(--ink);font-size:13px;font-weight:500;}
.ledger-tag{
  font-family:'IBM Plex Mono',monospace;font-size:10px;text-transform:uppercase;
  background:var(--beige);color:var(--ink);padding:3px 7px;border-radius:2px;flex-shrink:0;
}
.ledger-foot{padding:14px 0 4px;font-size:12px;color:var(--grey);font-style:italic;}

/* SECTION SHARED */
section{padding:84px 0;}
.section-head{max-width:620px;margin-bottom:52px;}
.section-head .mono{color:var(--grey);display:block;margin-bottom:14px;}
.section-head h2{font-size:32px;line-height:1.25;}
@media (max-width:640px){.section-head h2{font-size:26px;}}

/* PROBLEM */
.problem{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
@media (max-width:900px){.problem-grid{grid-template-columns:1fr;}}
.problem p{font-size:16.5px;line-height:1.7;color:var(--charcoal);}
.problem-list{list-style:none;padding:0;margin:24px 0 0;}
.problem-list li{
  padding:16px 0;border-top:1px solid var(--line);
  display:flex;gap:16px;font-size:15px;line-height:1.55;
}
.problem-list li .mono{color:var(--grey);flex-shrink:0;width:26px;padding-top:2px;}

/* HOW IT WORKS - STEPS */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;}
@media (max-width:900px){.steps{grid-template-columns:1fr;gap:36px;}}
.step{border-top:1px solid var(--ink);padding-top:20px;}
.step .mono{color:var(--grey);}
.step h3{font-size:20px;margin:14px 0 10px;line-height:1.3;}
.step p{font-size:14.5px;line-height:1.65;color:var(--charcoal);margin:0;}

/* DETAILED STEP BLOCK (how-it-works page) */
.detail-step{
  display:grid;grid-template-columns:180px 1fr;gap:40px;
  padding:44px 0;border-top:1px solid var(--line);
}
@media (max-width:760px){.detail-step{grid-template-columns:1fr;gap:16px;}}
.detail-step .step-num{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--grey);}
.detail-step h3{font-size:24px;margin-bottom:14px;}
.detail-step p{font-size:15.5px;line-height:1.7;color:var(--charcoal);max-width:560px;}
.detail-step ul{margin:16px 0 0;padding-left:0;list-style:none;}
.detail-step ul li{
  font-size:14.5px;color:var(--charcoal);padding:8px 0 8px 20px;
  border-top:1px dashed var(--line);position:relative;
}
.detail-step ul li:before{content:"—";position:absolute;left:0;color:var(--grey);}

/* FEATURE GRID (product page) */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
@media (max-width:760px){.feature-grid{grid-template-columns:1fr;}}
.feature{background:var(--white);padding:32px;}
.feature .mono{color:var(--grey);}
.feature h3{font-size:19px;margin:12px 0 8px;}
.feature p{font-size:14.5px;line-height:1.6;color:var(--charcoal);margin:0;}

/* CREDIBILITY */
.credibility{background:var(--ink);color:var(--bg);}
.credibility .section-head .mono{color:var(--grey);}
.credibility .section-head h2{color:var(--bg);}
.cred-body{max-width:680px;font-size:17px;line-height:1.75;color:#D8D5CC;}
.cred-body strong{color:var(--bg);font-weight:500;}
.cred-tags{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px;}
.cred-tag{
  border:1px solid #4A473F;color:#C9C5B8;
  font-family:'IBM Plex Mono',monospace;font-size:12px;text-transform:uppercase;
  padding:8px 14px;border-radius:2px;
}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:64px;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:40px;}}
.contact-info p{font-size:15.5px;line-height:1.7;color:var(--charcoal);max-width:380px;}
.contact-detail{margin-top:28px;}
.contact-detail .mono{color:var(--grey);display:block;margin-bottom:4px;}
.contact-detail div{font-size:15px;margin-bottom:18px;}
.whatsapp-card{
  background:var(--white);border:1px solid var(--line);border-radius:3px;
  padding:36px;
}
.whatsapp-card .mono{color:var(--grey);}
.whatsapp-card h3{font-size:22px;margin:14px 0 12px;}
.whatsapp-card p{font-size:15px;line-height:1.65;color:var(--charcoal);margin:0 0 24px;}
form{background:var(--white);border:1px solid var(--line);border-radius:3px;padding:32px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:640px){.form-row{grid-template-columns:1fr;}}
label{
  font-family:'IBM Plex Mono',monospace;font-size:11px;text-transform:uppercase;
  color:var(--grey);display:block;margin-bottom:6px;letter-spacing:0.04em;
}
input,textarea{
  width:100%;border:1px solid var(--line);background:var(--bg);
  padding:11px 12px;font-family:'Inter',sans-serif;font-size:14.5px;color:var(--ink);
  border-radius:2px;margin-bottom:18px;
}
input:focus,textarea:focus{outline:2px solid var(--ink);outline-offset:1px;}
textarea{resize:vertical;min-height:90px;}
/* honeypot field - hidden from real users, catches basic bots */
.hp-field{position:absolute;left:-9999px;top:-9999px;opacity:0;height:0;overflow:hidden;}
button[type=submit]{
  background:var(--ink);color:var(--bg);border:none;padding:13px 26px;
  font-size:15px;border-radius:2px;cursor:pointer;font-family:'Inter',sans-serif;
}
button[type=submit]:hover{background:#000;}
.form-note{font-size:13px;color:var(--grey);margin-top:14px;}
.form-success{display:none;font-size:14.5px;color:var(--ink);padding:14px 0;}

footer{border-top:1px solid var(--line);padding:36px 0;}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
footer .mono{color:var(--grey);}