/* USFans, Mapped — cool-ivory "route map" edition of the field-ledger template
   Light + dark themes. */

/* ---------- tokens ---------- */
:root{
  --bg:#F6F5F1; --surface:#FFFFFF; --panel:#EAF1EE; --panel-2:#E0EAE6;
  --ink:#101D1A; --muted:#4E5F5A; --teal:#0E5E58; --teal-bright:#147A70;
  --line:#D3DED9; --line-strong:#B4C7C0;
  --certain:#0E5E58; --certain-bg:#DFEDE9;
  --confirm:#A8552A; --confirm-bg:#F6E8DD;
  --shadow:0 1px 2px rgba(16,29,26,.05), 0 8px 24px -18px rgba(16,29,26,.35);
  --radius:14px; --radius-sm:10px; --maxw:1120px;
  --body-font:"Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --disp-font:"Fraunces", Georgia, "Times New Roman", serif;
}
html[data-theme="dark"]{
  --bg:#121A18; --surface:#1A2422; --panel:#1F2B28; --panel-2:#1B2523;
  --ink:#E9F0ED; --muted:#A7BDB5; --teal:#5FB8AE; --teal-bright:#5FB8AE;
  --line:#2C3A36; --line-strong:#3C4E49;
  --certain:#5FB8AE; --certain-bg:#1A2E2B;
  --confirm:#D8825B; --confirm-bg:#2E1F16;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--body-font); font-size:17px; line-height:1.7;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img{max-width:100%; height:auto; display:block}
a{color:var(--teal); text-underline-offset:3px; text-decoration-thickness:1px}
a:hover{color:var(--teal-bright)}
h1,h2,h3{font-family:var(--disp-font); font-weight:560; line-height:1.15; color:var(--ink); letter-spacing:-.01em; margin:0 0 .6rem}
h1{font-size:clamp(2.1rem,5vw,3.3rem); font-weight:600}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
h3{font-size:clamp(1.15rem,2.2vw,1.4rem)}
p{margin:0 0 1rem}
strong{font-weight:700}
:focus-visible{outline:3px solid var(--teal); outline-offset:2px; border-radius:4px}
.skip{position:absolute; left:-999px; top:0; background:var(--teal); color:#fff; padding:.7rem 1rem; z-index:100; border-radius:0 0 8px 0}
.skip:focus{left:0}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 clamp(1rem,4vw,2rem)}
.eyebrow{font-family:var(--body-font); font-size:.78rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--teal); margin:0 0 .6rem}
.lead{font-size:1.12rem; color:var(--muted)}
.tnum{font-variant-numeric:tabular-nums}
.mono{font-family:"IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace; font-size:.92em}

/* ---------- header ---------- */
.site-header{position:sticky; top:0; z-index:40; background:color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter:saturate(1.2) blur(8px); border-bottom:1px solid var(--line)}
.nav{display:flex; align-items:center; gap:1rem; min-height:62px}
.brand{font-family:var(--disp-font); font-weight:600; font-size:1.18rem; color:var(--ink); text-decoration:none; white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-suffix{color:var(--teal)}
.nav-links{display:flex; gap:.15rem; margin-left:auto; align-items:center; flex-wrap:wrap}
.nav-links a{color:var(--muted); text-decoration:none; font-weight:600; font-size:.92rem; padding:.5rem .6rem; border-radius:8px; line-height:1}
.nav-links a:hover{color:var(--ink); background:var(--panel)}
.nav-tools{display:flex; align-items:center; gap:.4rem; margin-left:.5rem}
.icon-btn{display:inline-grid; place-items:center; width:42px; height:42px; border:1px solid var(--line); background:var(--surface); color:var(--ink); border-radius:10px; cursor:pointer}
.icon-btn:hover{border-color:var(--line-strong); background:var(--panel)}
.icon-btn svg{width:19px; height:19px}

/* ---------- hero ---------- */
.hero-brand{padding:clamp(2.2rem,5vw,3.6rem) 0 1.6rem}
.hero-card{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:clamp(1.6rem,4vw,2.8rem); box-shadow:var(--shadow)}
.hero-card h1{margin-bottom:.8rem}
.hero-card .em{font-style:italic; color:var(--teal)}
.cta-row{display:flex; gap:.7rem; flex-wrap:wrap; margin-top:1.2rem}
.cta-row-center{justify-content:center}
.btn{display:inline-flex; align-items:center; gap:.45rem; font-family:var(--body-font); font-weight:700; font-size:.98rem; text-decoration:none; border-radius:999px; padding:.78rem 1.35rem; border:1.5px solid transparent; transition:transform .12s ease, box-shadow .12s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--teal); color:#fff}
.btn-primary:hover{background:var(--teal-bright); color:#fff; box-shadow:0 8px 20px -12px rgba(14,94,88,.7)}
.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--surface); color:var(--ink)}
.hero-stats{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin-top:1.6rem; padding-top:1.2rem; border-top:1px solid var(--line-strong)}
.stat{display:flex; flex-direction:column; gap:.1rem}
.stat-num{font-family:var(--disp-font); font-weight:600; font-size:clamp(1.3rem,2.6vw,1.7rem); color:var(--teal)}
.stat-lab{font-size:.82rem; color:var(--muted); line-height:1.4}
@media (max-width:640px){.hero-stats{grid-template-columns:1fr 1fr}}

/* ---------- sections ---------- */
.sec{padding:clamp(2.4rem,5vw,3.6rem) 0}
.sec-panel{background:var(--panel); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.sec-dark{background:#101D1A; color:#E9F0ED}
.sec-dark h2, .h-dark{color:#E9F0ED}
.sec-dark .lead, .lead-dark{color:#A7BDB5}
.eyebrow-dark{color:#D8825B}
.sec-dark a{color:#D8825B}

/* ---------- short list ---------- */
.short-list{counter-reset:short; list-style:none; margin:1.4rem 0 0; padding:0; display:grid; gap:.8rem}
.short-list li{counter-increment:short; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:1rem 1.2rem 1rem 3.2rem; position:relative}
.short-list li::before{content:counter(short); position:absolute; left:1rem; top:1rem; font-family:var(--disp-font); font-weight:600; color:var(--teal); font-size:1.25rem}

/* ---------- ledger ---------- */
.ledger{margin-top:1.6rem; border:1px solid var(--line-strong); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); background:var(--surface)}
.ledger-head{display:grid; grid-template-columns:1fr 1fr}
.ledger-head span{padding:.85rem 1.1rem; font-weight:700; font-size:.85rem; letter-spacing:.08em; text-transform:uppercase}
.ledger-col-certain{background:var(--certain-bg); color:var(--certain)}
.ledger-col-confirm{background:var(--confirm-bg); color:var(--confirm); border-left:1px solid var(--line-strong)}
.ledger-row{display:grid; grid-template-columns:1fr 1fr; border-top:1px solid var(--line)}
.ledger-row:first-of-type{border-top:0}
.ledger-cell{padding:1rem 1.1rem; font-size:.96rem; line-height:1.6}
.ledger-confirm{border-left:1px solid var(--line-strong); background:color-mix(in srgb, var(--confirm-bg) 45%, var(--surface))}
.ledger-certain{background:color-mix(in srgb, var(--certain-bg) 45%, var(--surface))}
.ledger-tag{display:block; font-weight:700; font-size:.75rem; letter-spacing:.12em; text-transform:uppercase; color:var(--teal); margin-bottom:.25rem}
@media (max-width:720px){
  .ledger-head{display:none}
  .ledger-row{grid-template-columns:1fr}
  .ledger-confirm{border-left:0; border-top:1px dashed var(--line-strong)}
  .ledger-cell::before{display:block; font-weight:700; font-size:.7rem; letter-spacing:.12em; text-transform:uppercase; margin-bottom:.3rem}
  .ledger-certain::before{content:"Locked"; color:var(--certain)}
  .ledger-confirm::before{content:"Look"; color:var(--confirm)}
}

/* ---------- cards ---------- */
.card-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin-top:1.6rem}
.card{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:1.2rem 1.3rem; box-shadow:var(--shadow)}
.card p{margin:0; font-size:.94rem; color:var(--muted)}
.card-accent{border-color:var(--confirm); background:color-mix(in srgb, var(--confirm-bg) 55%, var(--surface))}
.honest-note{margin-top:1.4rem; padding:1rem 1.2rem; border-left:3px solid var(--teal); background:var(--panel-2); border-radius:0 var(--radius-sm) var(--radius-sm) 0; font-size:.93rem; color:var(--muted)}
@media (max-width:900px){.card-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.card-grid{grid-template-columns:1fr}}

/* ---------- steps ---------- */
.steps{list-style:none; margin:1.6rem 0 0; padding:0; display:grid; grid-template-columns:repeat(4,1fr); gap:1rem}
.steps-3{grid-template-columns:repeat(3,1fr)}
.step{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:1.2rem; position:relative}
.step-no{display:inline-grid; place-items:center; width:2.1rem; height:2.1rem; border-radius:50%; background:var(--teal); color:#fff; font-family:var(--disp-font); font-weight:600; font-size:1.05rem; margin-bottom:.7rem}
.step p{margin:0; font-size:.9rem; color:var(--muted)}
@media (max-width:900px){.steps, .steps-3{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps, .steps-3{grid-template-columns:1fr}}

/* ---------- mini grid ---------- */
.mini-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin-top:1.6rem}
.mini{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius-sm); padding:1.1rem 1.2rem}
.mini p{margin:0; font-size:.9rem; color:var(--muted)}
@media (max-width:900px){.mini-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.mini-grid{grid-template-columns:1fr}}

/* ---------- lines table ---------- */
.rates-table{width:100%; border-collapse:collapse; margin-top:1.6rem; background:rgba(240,246,244,.04); border:1px solid #3C4E49; border-radius:var(--radius-sm); overflow:hidden; font-size:.95rem}
.rates-table th{text-align:left; padding:.8rem 1rem; background:rgba(14,94,88,.24); color:#5FB8AE; font-weight:700; font-size:.78rem; letter-spacing:.08em; text-transform:uppercase}
.rates-table td{padding:.8rem 1rem; border-top:1px solid #2C3A36; color:#E9F0ED}
.rates-table td.mono{color:#D8825B}
.table-note{margin-top:1rem; font-size:.9rem; color:#A7BDB5}
@media (max-width:720px){
  .rates-table thead{display:none}
  .rates-table tr{display:block; padding:.6rem 0; border-top:1px solid #2C3A36}
  .rates-table td{display:flex; justify-content:space-between; gap:1rem; border:0; padding:.3rem 1rem}
  .rates-table td::before{content:attr(data-label); font-weight:700; color:#A7BDB5; font-size:.78rem; text-transform:uppercase; letter-spacing:.06em}
}

/* ---------- platforms ---------- */
.platform-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:.9rem; margin-top:1.6rem}
.platform{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:1.1rem; text-align:left}
.platform p{margin:0; font-size:.86rem; color:var(--muted)}
.good-know{margin-top:1.3rem; padding:1rem 1.2rem; background:var(--certain-bg); border-radius:var(--radius-sm); font-size:.93rem; color:var(--certain)}
@media (max-width:960px){.platform-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.platform-grid{grid-template-columns:1fr}}

/* ---------- field notes ---------- */
.note-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin-top:1.6rem}
.note{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:1.3rem; box-shadow:var(--shadow); display:flex; flex-direction:column}
.note p{margin:0 0 .55rem; font-size:.88rem; color:var(--muted); line-height:1.55}
.k-best{color:var(--certain)}
.k-verify{color:var(--teal)}
.k-qc{color:var(--ink)}
.k-watch{color:var(--confirm)}
.note-link{margin-top:auto; padding-top:.7rem; font-weight:700; font-size:.88rem; text-decoration:none}
.note-link:hover{text-decoration:underline}
@media (max-width:900px){.note-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.note-grid{grid-template-columns:1fr}}

/* ---------- traps ---------- */
.trap-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin-top:1.6rem}
.trap{background:var(--surface); border:1px solid var(--line-strong); border-radius:var(--radius-sm); padding:1.2rem 1.3rem}
.trap p{font-size:.92rem; color:var(--muted)}
.safer{margin-top:.4rem; padding-top:.6rem; border-top:1px dashed var(--line-strong); color:var(--certain)}
@media (max-width:900px){.trap-grid{grid-template-columns:1fr}}

/* ---------- terms ---------- */
.term-grid{display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin-top:1.6rem}
.term{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:1.3rem 1.4rem}
.term p{margin:0; font-size:.95rem; color:var(--muted)}
@media (max-width:720px){.term-grid{grid-template-columns:1fr}}

/* ---------- faq ---------- */
.faq{margin-top:1.6rem; display:grid; gap:.7rem}
.faq-item{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:0; overflow:hidden}
.faq-item summary{cursor:pointer; padding:1rem 1.2rem; font-weight:700; font-family:var(--body-font); font-size:.98rem; list-style:none; display:flex; justify-content:space-between; align-items:center; gap:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+"; font-family:var(--disp-font); font-size:1.4rem; color:var(--teal); line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary{border-bottom:1px solid var(--line)}
.faq-item p{margin:0; padding:1rem 1.2rem; font-size:.93rem; color:var(--muted)}

/* ---------- contact ---------- */
.contact-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:.9rem; margin-top:1.6rem}
.contact{display:flex; flex-direction:column; gap:.15rem; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:1rem 1.1rem; text-decoration:none; font-weight:700; color:var(--ink); transition:border-color .15s ease, transform .12s ease}
.contact:hover{border-color:var(--teal); transform:translateY(-1px); color:var(--ink)}
.contact span{font-weight:400; font-size:.85rem; color:var(--muted)}
@media (max-width:720px){.contact-grid{grid-template-columns:1fr 1fr}}

/* ---------- final cta + footer ---------- */
.cta-final{padding:clamp(2.6rem,6vw,4rem) 0; text-align:center; background:var(--panel); border-top:1px solid var(--line)}
.cta-final p{color:var(--muted); max-width:34rem; margin:0 auto 1rem}
.foot{padding:2rem 0 2.4rem; border-top:1px solid var(--line)}
.foot p{margin:0 0 .6rem; font-size:.9rem; color:var(--muted); max-width:46rem}
.foot-fine{font-size:.72rem; letter-spacing:.14em; color:var(--line-strong)}

/* ---------- noscript ---------- */
.noscript-box{background:var(--confirm-bg); color:var(--confirm); padding:1rem 1.3rem; font-size:.9rem; line-height:1.6}