:root{--bg:#fbf7ee;--ink:#2b2a22;--muted:#6b6a5a;--green:#5a7d3a;--green-dk:#43602a;--rust:#d98a2b;--sky:#7fb3d5;--card:#ffffff;--line:#e8dfc9;--grad:linear-gradient(135deg,#f4e7c3 0%,#dbe8c9 55%,#cfe4ef 100%);}
/* Text-safe companions to the palette above. --rust (#d98a2b) is an accent/border
   colour: as text on white it is only 2.8:1, so small text uses --rust-ink instead.
   --ink-soft is --muted darkened for use on the lighter gradient stops. */
:root{--rust-ink:#9a5410;--ink-soft:#4f4e40;
  /* Semi-transparent twin of --grad, laid over the hero photo. 0.86 is the lowest
     alpha that keeps every hero text colour at WCAG AA over the photo's darkest
     pixels; below that the .hero p copy drops under 4.5:1. */
  --grad-hero:linear-gradient(135deg,rgba(244,231,195,.86) 0%,rgba(219,232,201,.86) 55%,rgba(207,228,239,.86) 100%);
  --hero-photo:url("/assets/img/Pond-Monitored-and-Controlled.jpg");}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
a{color:var(--green-dk);text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:1.15rem;color:var(--ink);letter-spacing:.3px}
.brand span{color:var(--green)}
.nav ul{display:flex;gap:22px;list-style:none}
.nav a{color:var(--ink);font-weight:500}
.nav a:hover,.nav a.active{color:var(--green)}
.hero{padding:72px 0 56px;text-align:center;border-bottom:1px solid var(--line);
  background-color:#f4e7c3;
  background-image:var(--grad-hero),var(--hero-photo);
  background-position:center,center;background-size:cover,cover;background-repeat:no-repeat,no-repeat}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;max-width:760px;margin:0 auto 18px}
.hero p{font-size:1.15rem;color:var(--ink-soft);max-width:620px;margin:0 auto 28px}
.btn{display:inline-block;background:var(--green);color:#fff;padding:12px 24px;border-radius:8px;font-weight:600;border:0;cursor:pointer}
.btn:hover{background:var(--green-dk)}
.btn.alt{background:transparent;color:var(--green-dk);border:2px solid var(--green-dk)}
.hero .btn.alt{background:rgba(255,255,255,.82)}
.btn.disabled{background:#c9c3b6;color:#fff;cursor:default;pointer-events:none}
section{padding:48px 0}
h2{font-size:1.8rem;margin-bottom:22px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--rust);border-radius:12px;padding:20px;display:flex;flex-direction:column}
.card .shot{width:calc(100% + 40px);margin:-20px -20px 14px;height:170px;object-fit:cover;border-radius:9px 9px 0 0;display:block;background:var(--line)}
.card h3{font-size:1.1rem;margin-bottom:6px}
.card .cat{font-size:.8rem;text-transform:uppercase;letter-spacing:.6px;color:var(--rust-ink);font-weight:700;margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem;flex:1;margin-bottom:14px}
.card .price{font-weight:700;font-size:1.15rem;margin-bottom:12px}
.three{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.three h3{margin-bottom:8px;color:var(--green-dk)}
.prose{max-width:720px}
.prose p{margin-bottom:16px;color:var(--ink-soft)}
footer{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:.9rem;margin-top:40px}
footer .note{margin-top:12px;font-size:.82rem}
@media(max-width:640px){.nav ul{gap:14px;font-size:.92rem}.hero{padding:48px 0 36px}}

/* ---- Setup guide (setup.html) ---------------------------------------------
   Every selector here is scoped to .guide, so nothing below changes the other
   pages. The one exception is the .nav rule at the end, which is deliberate. */
.guide{max-width:760px}
.guide h1{font-size:clamp(1.7rem,5.4vw,2.3rem);line-height:1.15;margin-bottom:10px}
.guide .lede{font-size:1.05rem;color:var(--ink-soft);margin-bottom:8px}
.guide h2{font-size:1.35rem;margin:38px 0 14px;padding-top:22px;border-top:1px solid var(--line)}
.guide h3{font-size:1.02rem;margin:20px 0 4px;color:var(--green-dk)}
.guide p{margin-bottom:14px;color:var(--ink-soft)}
.guide ul{margin:0 0 16px 20px;color:var(--ink-soft)}
.guide li{margin-bottom:7px}
.guide .tight{margin-bottom:6px}
.steps{list-style:none;counter-reset:step;margin:0 0 8px}
.steps>li{counter-increment:step;position:relative;padding-left:48px;margin-bottom:26px}
.steps>li::before{content:counter(step);position:absolute;left:0;top:0;width:34px;height:34px;
  border-radius:50%;background:var(--green);color:#fff;font-weight:700;font-size:1rem;
  display:flex;align-items:center;justify-content:center}
.steps h3{margin:5px 0 6px;color:var(--ink);font-size:1.08rem}
.tip{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--rust);
  border-radius:8px;padding:14px 16px;margin:18px 0;font-size:.95rem;color:var(--ink-soft)}
.tip b{color:var(--ink)}
.tip :last-child{margin-bottom:0}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--card);
  border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:.92em;color:var(--ink);
  white-space:nowrap}
.where{border-collapse:collapse;width:100%;margin-bottom:18px;font-size:.95rem}
.where th,.where td{text-align:left;vertical-align:top;padding:11px 14px 11px 0;
  border-bottom:1px solid var(--line)}
.where th{width:32%;color:var(--ink);font-weight:700}
.where td{color:var(--ink-soft)}
.faq dt{font-weight:700;margin-top:20px;color:var(--ink)}
.faq dd{margin:5px 0 0;color:var(--ink-soft)}
@media(max-width:520px){
  .where,.where tbody,.where tr,.where th,.where td{display:block;width:auto}
  .where tr{border-bottom:1px solid var(--line);padding:11px 0}
  .where th,.where td{border:0;padding:0}
  .where th{margin-bottom:3px}
  .steps>li{padding-left:42px}
  .steps>li::before{width:30px;height:30px;font-size:.95rem}
}
/* Six nav items no longer fit beside the wordmark on a narrow phone, so let
   the header grow a second row instead of overflowing sideways. */
@media(max-width:560px){
  .nav{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px}
  .nav ul{width:100%;gap:14px;justify-content:space-between;font-size:.9rem}
}
/* The smallest phones: tighten the gap, and wrap rather than overflow. */
@media(max-width:400px){
  .nav ul{gap:6px 10px;flex-wrap:wrap;font-size:.86rem}
}

/* ---- Contact form (contact.html -> contact.php) ---------------------------- */
.contact-form{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--rust);border-radius:12px;padding:20px;margin:8px 0 24px;max-width:560px}
.contact-form label{display:block;font-weight:600;font-size:.92rem;margin:12px 0 6px}
.contact-form label:first-of-type{margin-top:0}
.contact-form input,.contact-form textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--green);outline-offset:1px;border-color:var(--green)}
.contact-form textarea{resize:vertical;min-height:120px}
.contact-form .btn{margin-top:16px}
.contact-form .hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-status{padding:10px 12px;border-radius:8px;margin-bottom:14px;font-size:.95rem}
.form-status.ok{background:rgba(90,125,58,.12);border:1px solid var(--green);color:var(--green-dk)}
.form-status.err{background:rgba(179,38,30,.08);border:1px solid #b3261e;color:#8c1d17}