:root{
  --ink:#0d2230;
  --panel:#163244;
  --panel-light:#1d3f54;
  --line:rgba(238,243,240,0.10);
  --brass:#c98a3e;
  --brass-bright:#e0a656;
  --pin:#d1503a;
  --pin-bright:#e56449;
  --cream:#eef3f0;
  --muted:#86a3ab;
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'IBM Plex Sans', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--cream);
  font-family:var(--font-body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed; inset:0;
  background-image:
    repeating-linear-gradient(0deg, rgba(238,243,240,0.025) 0px, rgba(238,243,240,0.025) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(90deg, rgba(238,243,240,0.025) 0px, rgba(238,243,240,0.025) 1px, transparent 1px, transparent 64px);
  pointer-events:none;
  z-index:0;
}
a{color:var(--brass-bright);}
h1,h2,h3{font-family:var(--font-display); font-weight:600; margin:0 0 .4em; letter-spacing:-.01em;}
p{color:var(--muted);}
::selection{background:var(--brass); color:var(--ink);}
:focus-visible{outline:2px solid var(--brass-bright); outline-offset:2px;}

.wrap{max-width:1080px; margin:0 auto; padding:0 24px; position:relative; z-index:1;}

header.site{
  position:sticky; top:0; z-index:40;
  background:rgba(13,34,48,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-bar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 24px; max-width:1080px; margin:0 auto; gap:16px; flex-wrap:wrap;
}
.logo{display:flex; align-items:center; gap:10px; text-decoration:none;}
.logo-mark{
  width:32px; height:32px; border-radius:50%;
  border:2px solid var(--brass); position:relative; flex-shrink:0;
}
.logo-mark::before{
  content:""; position:absolute; top:50%; left:50%; width:6px; height:6px;
  background:var(--pin); border-radius:50%; transform:translate(-50%,-50%);
}
.logo-mark::after{
  content:""; position:absolute; top:50%; left:50%; width:1px; height:36px;
  background:var(--line); transform:translate(-50%,-50%);
}
.logo-word{font-family:var(--font-display); font-weight:700; font-size:1.15rem; color:var(--cream);}
.logo-word span{color:var(--brass-bright);}

nav.tabs{display:flex; gap:4px; flex-wrap:wrap;}
nav.tabs a{
  background:transparent; border:1px solid transparent; color:var(--muted);
  font-family:var(--font-body); font-weight:600; font-size:.85rem; text-decoration:none;
  padding:8px 14px; border-radius:7px; cursor:pointer; transition:all .15s ease;
  display:inline-block;
}
nav.tabs a:hover{color:var(--cream); background:rgba(238,243,240,0.06);}
nav.tabs a.active{background:var(--brass); color:var(--ink);}

.menu-toggle{
  display:none; flex-direction:column; align-items:center; justify-content:center;
  gap:5px; width:40px; height:36px; background:transparent;
  border:1px solid var(--line); border-radius:8px; cursor:pointer; padding:0; flex-shrink:0;
}
.menu-toggle span{display:block; height:2px; width:18px; background:var(--cream); border-radius:2px; transition:transform .15s ease, opacity .15s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{padding:60px 0 36px; text-align:center;}
.hero .kicker{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--brass-bright); margin-bottom:14px; display:block;
}
.hero h1{font-size:clamp(1.8rem, 4vw, 2.6rem); margin-bottom:.3em;}
.hero p.lede{max-width:560px; margin:0 auto 28px; font-size:1.02rem;}

/* ---------- Coordinate readout (signature element) ---------- */
.readout{
  display:inline-flex; flex-wrap:wrap; gap:10px; justify-content:center;
  background:var(--panel); border:1px solid var(--line); border-radius:12px;
  padding:16px 22px; font-family:var(--font-mono);
}
.readout .rd-item{text-align:left;}
.readout .rd-label{display:block; font-size:.62rem; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-bottom:2px;}
.readout .rd-value{font-size:1.35rem; font-weight:700; color:var(--brass-bright);}
.readout .rd-value.dim{color:var(--cream);}

/* ---------- Layout / cards ---------- */
main{padding-bottom:80px;}
section.tool{padding-top:36px;}
.tool-head{margin-bottom:22px;}
.tool-head h1{font-size:1.6rem;}
.tool-head p{max-width:640px;}
.tool-head p.explainer{font-size:1rem;}

.card{
  background:linear-gradient(180deg, var(--panel-light), var(--panel));
  border:1px solid var(--line); border-radius:14px; padding:24px; margin-bottom:20px;
}

label.field-label{
  display:block; font-size:.78rem; font-weight:700; text-transform:uppercase;
  letter-spacing:.06em; color:var(--brass-bright); margin-bottom:8px;
}
.field-help{font-size:.78rem; color:var(--muted); margin-top:6px;}

input.field-input, textarea.field-input, select.field-input{
  width:100%; border:2px solid var(--line); border-radius:9px;
  background:var(--ink); color:var(--cream);
  font-family:var(--font-body); font-size:1rem; padding:13px 15px;
}
input.field-input:focus, textarea.field-input:focus, select.field-input:focus{outline:2px solid var(--brass-bright); outline-offset:2px; border-color:var(--brass);}
input.field-input::placeholder, textarea.field-input::placeholder{color:var(--muted); opacity:.7;}
.coord-input{font-family:var(--font-mono);}

.row{display:flex; gap:14px; flex-wrap:wrap;}
.row > div{flex:1; min-width:180px;}

button.btn{
  background:var(--pin); color:var(--cream); border:none; border-radius:8px;
  font-family:var(--font-body); font-weight:700; font-size:.92rem; padding:12px 22px;
  cursor:pointer; transition:background .15s ease;
}
button.btn:hover{background:var(--pin-bright);}
button.btn.secondary{background:transparent; border:1px solid var(--line); color:var(--cream);}
button.btn.secondary:hover{background:rgba(238,243,240,0.06);}
button.btn:disabled{opacity:.5; cursor:not-allowed;}

.status-line{font-size:.9rem; color:var(--muted); padding:10px 0;}
.status-line.good{color:#8fd9a8;}
.status-line.bad{color:#e08a7a;}

.result-panel{margin-top:20px;}
.map-box{
  width:100%; height:320px; border-radius:12px; overflow:hidden;
  border:1px solid var(--line); margin-top:16px; background:var(--panel);
}

table.results-table{width:100%; border-collapse:collapse; margin-top:16px; font-size:.88rem;}
table.results-table th{text-align:left; font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; color:var(--brass-bright); padding:8px 10px; border-bottom:1px solid var(--line);}
table.results-table td{padding:8px 10px; border-bottom:1px solid var(--line); font-family:var(--font-mono); font-size:.85rem;}
table.results-table td.addr-cell{font-family:var(--font-body);}

/* ---------- Home tool grid ---------- */
.tool-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(230px,1fr)); gap:18px; margin-top:10px;}
.tool-card{
  background:linear-gradient(180deg, var(--panel-light), var(--panel));
  border:1px solid var(--line); border-radius:14px; padding:22px; text-decoration:none;
  color:var(--cream); display:block; transition:transform .15s ease, border-color .15s ease;
}
.tool-card:hover{transform:translateY(-3px); border-color:var(--brass);}
.tool-card .tc-icon{
  font-family:var(--font-mono); font-weight:700; font-size:1rem; color:var(--ink);
  background:var(--brass-bright); width:38px; height:38px; border-radius:7px; display:flex;
  align-items:center; justify-content:center; margin-bottom:14px;
}
.tool-card h3{font-size:1.05rem; margin-bottom:6px;}
.tool-card p{font-size:.85rem; margin:0;}

footer{border-top:1px solid var(--line); padding:30px 0; text-align:center; font-size:.8rem; color:var(--muted);}
footer a{color:var(--muted); text-decoration:underline;}
footer .foot-links{margin-bottom:10px;}
footer .foot-links a{margin:0 8px; color:var(--brass-bright); text-decoration:none; font-weight:600;}

.sr-only{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0);}

/* ---------- Ad slots ---------- */
.ad-slot{
  max-width:728px; margin:0 auto 36px;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.ad-slot--leaderboard{width:100%; min-height:90px;}
.ad-slot--rectangle{width:100%; max-width:336px; min-height:280px;}

@media (max-width:640px){
  .site-bar{flex-wrap:wrap; align-items:center;}
  .logo{order:1;}
  .menu-toggle{order:2; display:flex; margin-left:auto;}
  nav.tabs{
    order:3; display:none; width:100%; flex-direction:column; gap:2px;
    background:var(--panel); border:1px solid var(--line); border-radius:10px; padding:8px; margin-top:4px;
  }
  nav.tabs.open{display:flex;}
  nav.tabs a{text-align:center; padding:11px;}
  .readout{padding:14px;}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}