/*
Theme Name: KE4CON Waterfall
Theme URI: https://ke4con.net
Author: KE4CON
Author URI: https://ke4con.net
Description: Custom single-page amateur radio theme for KE4CON — dark SDR waterfall aesthetic with band-designation section tags.
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: ke4con-waterfall
*/

:root{
  --bg:            #0b141d;
  --bg-panel:      #101c28;
  --bg-panel-2:    #14232f;
  --ink:           #e8edf1;
  --ink-muted:     #8297a6;
  --teal:          #4fd8c4;
  --teal-dim:      #2a5a53;
  --amber:         #f0a94e;
  --line:          rgba(232,237,241,0.09);
  --line-strong:   rgba(232,237,241,0.16);

  --font-display:  'Space Grotesk', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
  --font-body:     'IBM Plex Sans', sans-serif;
}

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

html{ scroll-behavior:smooth; }

body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
::selection{ background:var(--teal); color:var(--bg); }

.wrap{ max-width:1080px; margin:0 auto; padding:0 32px; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--teal);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{ content:""; width:22px; height:1px; background:var(--teal); display:inline-block; }

.band-tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  color:var(--amber);
  border:1px solid var(--amber);
  border-radius:3px;
  padding:2px 7px;
}

h2{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(28px,4vw,40px);
  letter-spacing:-0.01em;
  margin-bottom:20px;
}

section{ padding:100px 0; }
@media (max-width:640px){ section{ padding:64px 0; } }

/* waterfall divider */
.waterfall{
  height:64px; width:100%; position:relative; overflow:hidden;
  background:repeating-linear-gradient(100deg, transparent 0px, transparent 18px, rgba(79,216,196,0.05) 18px, rgba(79,216,196,0.05) 19px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.waterfall::before{
  content:""; position:absolute; top:0; left:-30%; width:60%; height:100%;
  background:linear-gradient(90deg, transparent, rgba(79,216,196,0.35), rgba(240,169,78,0.25), transparent);
  animation:sweep 9s linear infinite;
}
@keyframes sweep{ from{ left:-30%; } to{ left:100%; } }
@media (prefers-reduced-motion:reduce){
  .waterfall::before{ animation:none; left:20%; }
  html{ scroll-behavior:auto; }
}

/* nav */
nav.site-nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(11,20,29,0.85);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
nav.site-nav .wrap{ display:flex; align-items:center; justify-content:space-between; height:60px; }
.logo{ font-family:var(--font-mono); font-weight:600; font-size:15px; letter-spacing:0.06em; color:var(--ink); }
.logo span{ color:var(--teal); }
.navlinks{ display:flex; gap:28px; list-style:none; }
.navlinks a{ font-family:var(--font-mono); font-size:12px; letter-spacing:0.05em; color:var(--ink-muted); transition:color .15s ease; white-space:nowrap; }
.navlinks a:hover{ color:var(--teal); }
.navlinks .tag{ color:var(--amber); margin-right:6px; }
@media (max-width:640px){ .navlinks{ gap:16px; } .navlinks .tag{ display:none; } }

/* hero */
.hero{ min-height:100svh; display:flex; flex-direction:column; justify-content:center; position:relative; padding-top:60px; overflow:hidden; }
.hero-bg{
  position:absolute; inset:0;
  background:
    repeating-linear-gradient(180deg, transparent 0px, transparent 38px, rgba(79,216,196,0.05) 39px),
    radial-gradient(ellipse 900px 500px at 70% 20%, rgba(79,216,196,0.09), transparent 60%),
    radial-gradient(ellipse 700px 400px at 20% 80%, rgba(240,169,78,0.06), transparent 60%);
  z-index:0;
}
.hero .wrap{ position:relative; z-index:1; }
.hero-eyebrow{ font-family:var(--font-mono); font-size:13px; letter-spacing:0.16em; color:var(--ink-muted); text-transform:uppercase; margin-bottom:20px; }
.hero-eyebrow span{ color:var(--teal); }
.callsign{ font-family:var(--font-display); font-weight:700; font-size:clamp(56px,12vw,132px); line-height:.95; letter-spacing:-0.02em; color:var(--ink); }
.callsign .glow{ color:var(--teal); text-shadow:0 0 40px rgba(79,216,196,.35); }
.hero-sub{ font-family:var(--font-body); font-size:clamp(16px,2vw,20px); color:var(--ink-muted); max-width:560px; margin-top:24px; }
.hero-meta{ display:flex; flex-wrap:wrap; gap:12px; margin-top:36px; }
.pill{ font-family:var(--font-mono); font-size:12px; letter-spacing:.04em; color:var(--ink); background:var(--bg-panel); border:1px solid var(--line-strong); border-radius:20px; padding:7px 14px; display:flex; align-items:center; gap:7px; }
.pill .dot{ width:6px; height:6px; border-radius:50%; background:var(--teal); box-shadow:0 0 8px var(--teal); }
.scroll-cue{ position:absolute; bottom:36px; left:32px; font-family:var(--font-mono); font-size:11px; color:var(--ink-muted); letter-spacing:.1em; display:flex; align-items:center; gap:10px; }
.scroll-cue::after{ content:""; width:1px; height:28px; background:linear-gradient(var(--teal), transparent); }

/* about */
.about-grid{ display:grid; grid-template-columns:220px 1fr; gap:48px; align-items:start; }
@media (max-width:720px){ .about-grid{ grid-template-columns:1fr; } }
.photo-slot{ width:220px; height:220px; border-radius:6px; background:var(--bg-panel); border:1px dashed var(--line-strong); display:flex; align-items:center; justify-content:center; color:var(--ink-muted); font-family:var(--font-mono); font-size:11px; text-align:center; padding:20px; flex-shrink:0; overflow:hidden; }
.photo-slot img{ width:100%; height:100%; object-fit:cover; }
.about-text p{ color:var(--ink-muted); margin-bottom:16px; max-width:620px; }
.badge-row{ display:flex; flex-wrap:wrap; gap:10px; }
.badge{ font-family:var(--font-mono); font-size:11px; color:var(--teal); border:1px solid var(--teal-dim); background:rgba(79,216,196,.06); border-radius:4px; padding:6px 10px; }

/* station */
.station-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:8px; overflow:hidden; }
@media (max-width:640px){ .station-grid{ grid-template-columns:1fr; } }
.gear-card{ background:var(--bg-panel); padding:28px; }
.gear-card .tag{ margin-bottom:14px; display:inline-block; }
.gear-card h3{ font-family:var(--font-display); font-weight:600; font-size:19px; margin-bottom:8px; }
.gear-card p{ color:var(--ink-muted); font-size:14px; }

/* 44net */
.net-card{ background:var(--bg-panel); border:1px solid var(--line-strong); border-radius:8px; padding:40px; display:grid; grid-template-columns:1fr auto; gap:32px; align-items:center; }
@media (max-width:720px){ .net-card{ grid-template-columns:1fr; } }
.net-card p{ color:var(--ink-muted); margin-bottom:14px; max-width:600px; }
.net-diagram{ width:180px; height:180px; flex-shrink:0; }
.net-list{ list-style:none; margin-top:18px; display:flex; flex-direction:column; gap:8px; }
.net-list li{ font-family:var(--font-mono); font-size:12.5px; color:var(--ink-muted); display:flex; gap:10px; }
.net-list li::before{ content:"›"; color:var(--amber); }

/* links */
.link-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; }
.link-card{ background:var(--bg-panel); border:1px solid var(--line); border-radius:8px; padding:20px 22px; display:flex; align-items:center; justify-content:space-between; transition:border-color .15s ease, transform .15s ease; }
.link-card:hover{ border-color:var(--teal-dim); transform:translateY(-2px); }
.link-card .name{ font-family:var(--font-mono); font-size:13px; }
.link-card .go{ color:var(--teal); font-family:var(--font-mono); font-size:13px; }

/* footer */
footer.site-footer{ padding:56px 0 40px; text-align:center; }
footer.site-footer .sign{ font-family:var(--font-mono); font-size:13px; color:var(--teal); margin-bottom:8px; }
footer.site-footer .fine{ font-family:var(--font-mono); font-size:11px; color:var(--ink-muted); }

/* WP admin bar offset fix */
.admin-bar nav.site-nav{ top:32px; }
@media screen and (max-width:782px){ .admin-bar nav.site-nav{ top:46px; } }