/* ==========================================================================
   RAVENEL SEPTIC PROS — "Coastal Technical" design system (A/B test: Site A)
   Deep slate-teal + sand + white. Engineering-credibility feel: generous
   whitespace, technical-diagram motifs, strong grotesque type, no hype.
   System font stack only. No external dependencies.
   ========================================================================== */
:root{
  --deep:#0d3540;        /* deep slate-teal — header/footer, heroes */
  --deep-2:#123f4c;      /* hero gradient stop */
  --teal:#1e7d8f;        /* primary teal */
  --teal-deep:#14606e;   /* darker teal for text on light bg */
  --aqua:#8fd0dc;        /* light aqua accent */
  --sand:#d9c49a;        /* sand — primary warm accent */
  --sand-deep:#a98f5c;   /* darker sand for text on light bg */
  --sand-soft:#f0e5cc;   /* pale sand panel */
  --paper:#fbfaf6;       /* page background */
  --ink:#22333a;         /* body text */
  --muted:#5d6f76;       /* secondary text */
  --line:#d9cfb6;        /* borders */
  --radius:10px; --max:1140px;
  --shadow:0 2px 14px rgba(13,53,64,.10);
  --contours:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.055' stroke-width='1.5'%3E%3Cpath d='M-10 40 C 60 20, 120 60, 230 30'/%3E%3Cpath d='M-10 90 C 60 70, 120 110, 230 80'/%3E%3Cpath d='M-10 140 C 60 120, 120 160, 230 130'/%3E%3Cpath d='M-10 190 C 60 170, 120 210, 230 180'/%3E%3C/g%3E%3C/svg%3E");
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.65;background:var(--paper);-webkit-text-size-adjust:100%;overflow-x:clip}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-deep)}
:focus-visible{outline:3px solid var(--sand);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:1rem;top:-4rem;background:var(--deep);color:#fff;padding:.6rem 1rem;border-radius:0 0 8px 8px;z-index:200;transition:top .2s;font-weight:700}
.skip-link:focus{top:0;color:#fff}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 1.25rem}
.section{padding:3.25rem 0}
.section-soft{background:var(--sand-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h1,h2,h3{font-weight:800;color:var(--deep);line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5.4vw,3rem);margin-bottom:1rem}
h2{font-size:clamp(1.5rem,3.8vw,2.1rem);margin-bottom:1rem}
h3{font-size:1.15rem;margin-bottom:.5rem}
.lead{font-size:1.12rem;color:var(--muted);max-width:44rem}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-deep);margin-bottom:.7rem}
.eyebrow::before{content:"";width:2rem;height:3px;background:var(--sand-deep);flex:none}

/* ---------- Top utility bar ---------- */
.topbar{background:var(--deep);color:#cfe3e8;font-size:.82rem;font-weight:600}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.4rem 1.25rem}
.topbar a{color:#fff;text-decoration:none;font-weight:800;white-space:nowrap}
.topbar a:hover{text-decoration:underline}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:3px solid var(--deep)}
.header-inner{display:flex;align-items:center;gap:.8rem;padding:.65rem 0}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;margin-right:auto;min-width:0}
.brand-mark{flex:none;width:2.6rem;height:2.6rem;background:var(--deep);border:2px solid var(--sand);border-radius:8px;display:inline-flex;align-items:center;justify-content:center}
.brand-mark svg{width:1.5rem;height:1.5rem;stroke:var(--sand);fill:none;stroke-width:1.8}
.brand-text{font-weight:800;font-size:1.12rem;color:var(--deep);line-height:1.15;letter-spacing:-.01em}
.brand-text strong{font-weight:800}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.9rem;height:2.9rem;background:var(--deep);border:2px solid var(--sand);border-radius:8px;cursor:pointer;color:#fff;flex:none}
.nav-toggle svg{width:1.4rem;height:1.4rem}
.site-nav{display:none}
.site-nav.is-open{display:block;position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:3px solid var(--deep);box-shadow:var(--shadow);z-index:99}
.site-nav ul{list-style:none;padding:.5rem 1.25rem 1rem}
.site-nav a{display:block;padding:.7rem 0;color:var(--deep);text-decoration:none;font-weight:700;border-bottom:1px solid var(--line);font-size:1.02rem}
.site-nav a:hover{color:var(--teal-deep)}
.header-actions{display:flex;align-items:center;gap:.6rem;flex:none}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem 1.5rem;border-radius:8px;font-weight:800;font-size:1rem;text-decoration:none;border:2px solid transparent;cursor:pointer;line-height:1.35;min-height:2.9rem;font-family:inherit}
.btn-primary{background:var(--teal);color:#fff;border-color:var(--teal-deep)}
.btn-primary:hover{background:var(--teal-deep);color:#fff}
.btn-sand{background:var(--sand);color:var(--deep);border-color:var(--sand-deep)}
.btn-sand:hover{background:var(--sand-deep);color:#fff}
.btn-outline{background:transparent;color:#fff;border-color:var(--sand)}
.btn-outline:hover{background:var(--sand);color:var(--deep)}
.btn-lg{font-size:1.1rem;padding:1rem 2rem;min-height:3.25rem}
.btn svg{width:1.15em;height:1.15em;flex:none}
.header-call{white-space:nowrap;padding:.7rem 1rem;font-size:.95rem}

/* ---------- Hero ---------- */
.hero{background:var(--contours),linear-gradient(160deg,var(--deep-2) 0%,var(--deep) 78%);color:#fff;padding:3.5rem 0;border-bottom:6px solid var(--sand)}
.hero h1{color:#fff}
.hero .lead{color:#d7e6ea}
.hero .eyebrow{color:var(--aqua)}
.hero .eyebrow::before{background:var(--sand)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.9rem;margin:1.5rem 0}
.hero-grid{display:grid;gap:2rem;align-items:start}
.hero-photo{border:3px solid var(--sand);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 28px rgba(0,0,0,.3);background:var(--deep-2)}
.hero-photo img{width:100%;height:22rem;object-fit:cover}
.hero-photo figcaption{background:var(--deep-2);color:#cfe3e8;font-size:.85rem;padding:.6rem 1rem;border-top:2px solid var(--sand)}
.hero-proof{display:flex;flex-wrap:wrap;gap:.6rem 1.25rem;margin-top:1.4rem;font-size:.95rem;color:#d7e6ea;list-style:none}
.hero-proof li{display:flex;align-items:center;gap:.45rem;font-weight:600}
.hero-proof svg{width:1.15em;height:1.15em;color:var(--sand);flex:none}
.hero-proof strong{color:#fff}

/* ---------- Trust bar ---------- */
.trust-bar{background:var(--sand);padding:1rem 0;border-bottom:2px solid var(--sand-deep)}
.trust-list{display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;list-style:none;font-size:.95rem;font-weight:800;color:var(--deep)}
.trust-list li{display:flex;align-items:center;gap:.45rem}
.trust-list svg{width:1.15em;height:1.15em;flex:none}

/* ---------- Cards ---------- */
.cards{display:grid;gap:1.4rem;margin-top:1.75rem}
.card{background:#fff;border:1px solid var(--line);border-top:5px solid var(--teal);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);display:flex;flex-direction:column;position:relative}
.card h3{padding-right:.5rem}
.card p{color:var(--muted);font-size:.98rem;flex:1}
.card .spec{display:inline-block;margin-top:.6rem;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-deep);background:var(--sand-soft);border:1px solid var(--line);border-radius:4px;padding:.25rem .6rem;align-self:flex-start}
.card a.card-link{font-weight:800;margin-top:.8rem;display:inline-block;color:var(--teal-deep);text-decoration:none;border-bottom:2px solid var(--sand)}
.card a.card-link:hover{color:var(--deep);border-color:var(--deep)}

/* ---------- Steps ---------- */
.steps{list-style:none;counter-reset:step;display:grid;gap:1.4rem;margin-top:1.75rem}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;position:relative;box-shadow:var(--shadow)}
.steps li::before{counter-increment:step;content:counter(step);display:inline-flex;align-items:center;justify-content:center;width:2.6rem;height:2.6rem;border-radius:8px;background:var(--deep);color:var(--sand);font-weight:800;font-size:1.15rem;margin-bottom:.8rem}

/* ---------- Soil diagram ---------- */
.soil-fig{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);margin-top:1.75rem}
.soil-fig svg{width:100%;height:auto}
.soil-fig figcaption{font-size:.88rem;color:var(--muted);margin-top:.75rem}

/* ---------- Service area ---------- */
.town-list{list-style:none;display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.25rem}
.town-list a,.town-list span{display:inline-block;background:#fff;border:2px solid var(--teal-deep);border-radius:999px;padding:.5rem 1.1rem;font-size:.95rem;text-decoration:none;color:var(--deep);font-weight:700;min-height:2.75rem}
.town-list a:hover{background:var(--deep);color:#fff;border-color:var(--deep)}

/* ---------- FAQ ---------- */
.faq{margin-top:1.5rem;border-top:3px solid var(--deep)}
.faq-item{border-bottom:1px solid var(--line);background:#fff}
.faq-item:nth-child(odd){background:var(--paper)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;background:none;border:0;border-left:4px solid transparent;padding:1.15rem 1rem;font-size:1.05rem;font-weight:800;color:var(--deep);text-align:left;cursor:pointer;font-family:inherit;min-height:2.9rem}
.faq-q .faq-icon{flex:none;width:2rem;height:2rem;border-radius:50%;background:var(--sand);display:inline-flex;align-items:center;justify-content:center;font-weight:800;color:var(--deep);transition:transform .2s;font-size:1.2rem;line-height:1}
.faq-q[aria-expanded="true"]{border-left-color:var(--teal)}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:var(--deep);color:var(--sand)}
.faq-a{padding:0 1.2rem 1.3rem;color:var(--muted)}
.faq-a[hidden]{display:none}

/* ---------- Forms ---------- */
.form-wrap{background:#fff;border:2px solid var(--teal-deep);border-radius:var(--radius);box-shadow:var(--shadow);padding:0;margin-top:1.5rem;overflow:hidden}
.form-head{background:var(--contours),var(--deep);color:#fff;padding:1.25rem 1.75rem;border-bottom:4px solid var(--sand)}
.form-head h3{color:#fff;margin:0;font-size:1.25rem}
.form-head p{color:#cfe3e8;margin:.35rem 0 0;font-size:.95rem}
.form-body{padding:1.75rem}
.form-grid{display:grid;gap:1.1rem}
.field label{display:block;font-weight:700;margin-bottom:.35rem;font-size:.95rem;color:var(--deep)}
.field input,.field select,.field textarea{width:100%;padding:.8rem .9rem;border:2px solid var(--line);border-radius:8px;font-size:1rem;font-family:inherit;background:var(--paper);color:var(--ink);min-height:2.9rem}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);outline:3px solid rgba(30,125,143,.25);background:#fff}
.consent{display:flex;gap:.7rem;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.consent input{width:1.4rem;height:1.4rem;margin-top:.15rem;flex:none;accent-color:var(--teal)}
.form-status{border-radius:8px;padding:1rem;margin-top:1rem;background:var(--sand-soft);border:2px solid var(--sand);color:var(--deep);font-weight:700}
.form-status[hidden]{display:none}
.form-fallback{margin-top:1rem;text-align:center}
.form-fallback[hidden]{display:none}
.form-note{font-size:.85rem;color:var(--muted);margin-top:.9rem}

/* ---------- In-content CTA band ---------- */
.cta-band{background:var(--contours),var(--teal-deep);color:#fff;border-radius:var(--radius);padding:2rem 1.75rem;margin-top:2.5rem;display:flex;flex-wrap:wrap;gap:1.25rem;align-items:center;justify-content:space-between;border:3px solid var(--deep)}
.cta-band h2{color:#fff;margin:0;font-size:1.5rem}
.cta-band p{color:#d7e6ea;margin:.25rem 0 0}
.cta-band .btn{flex:none}

/* ---------- Content pages ---------- */
.prose{max-width:46rem}
.prose p,.prose ul,.prose ol{margin-bottom:1.1rem;color:var(--ink)}
.prose ul,.prose ol{padding-left:1.4rem}
.prose li{margin-bottom:.4rem}
.prose li::marker{color:var(--teal-deep);font-weight:700}
.meta-row{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;font-size:.92rem;color:var(--muted);margin:1rem 0 0}
.meta-row strong{color:var(--deep)}
.page-head{border-bottom:4px solid var(--sand);padding:3rem 0 2.5rem;background:linear-gradient(180deg,var(--sand-soft),var(--paper))}

/* ---------- Footer ---------- */
.footer-cta{background:var(--sand);border-top:4px solid var(--deep);padding:2.5rem 0}
.footer-cta-inner{display:flex;flex-wrap:wrap;gap:1.25rem;align-items:center;justify-content:space-between}
.footer-cta h2{color:var(--deep);margin:0;font-size:1.7rem}
.footer-cta p{color:#4a3f24;font-weight:600;margin:.3rem 0 0}
.site-footer{background:var(--deep);color:#cfe3e8;margin-top:0}
.footer-grid{display:grid;gap:2rem;padding:3rem 0 2rem}
.site-footer h3{color:var(--sand);font-size:1rem;margin-bottom:.8rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.site-footer ul{list-style:none}
.site-footer a:not(.btn){color:#cfe3e8;text-decoration:none}
.site-footer a:not(.btn):hover{color:#fff;text-decoration:underline}
.site-footer li{margin-bottom:.45rem}
.footer-brand-line{display:flex;align-items:center;gap:.6rem;margin-bottom:.6rem}
.footer-brand-line .brand-mark{width:2.2rem;height:2.2rem}
.footer-phone{font-weight:800;font-size:1.15rem;color:#fff!important}
.disclosure{background:rgba(217,196,154,.10);border:2px solid rgba(217,196,154,.45);border-radius:var(--radius);padding:1.1rem 1.25rem;font-size:.88rem;margin-top:1.5rem;color:#cfe3e8}
.disclosure strong{color:var(--sand)}
.footer-bottom{border-top:1px solid rgba(217,196,154,.3);padding:1.25rem 0;font-size:.85rem;display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between}

/* ---------- Sticky mobile call bar ---------- */
.sticky-call{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--deep);border-top:3px solid var(--sand);box-shadow:0 -2px 12px rgba(0,0,0,.25)}
.sticky-call a{flex:1;text-align:center;padding:1rem .5rem;font-weight:800;text-decoration:none;font-size:1.05rem;min-height:3.5rem;display:flex;align-items:center;justify-content:center}
.sticky-call a.call-now{background:var(--teal);color:#fff}
.sticky-call a.get-quote{color:var(--sand)}
body{padding-bottom:3.6rem}

/* ---------- Responsive ---------- */
@media (min-width:700px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .form-grid.two-col{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .hero-grid{grid-template-columns:1.25fr .85fr}
  .sticky-call{display:none}
  body{padding-bottom:0}
}
@media (min-width:1024px){
  .nav-toggle{display:none}
  .site-nav{display:block}
  .site-nav ul{display:flex;gap:1.5rem;padding:0}
  .site-nav a{border:0;padding:.5rem 0;border-bottom:3px solid transparent;font-size:1rem}
  .site-nav a:hover{border-color:var(--sand)}
  .cards{grid-template-columns:repeat(3,1fr)}
  .hero{padding:4.5rem 0}
}
/* Small-screen header tightening (prevents horizontal overflow) */
@media (max-width:700px){
  .header-call{display:none} /* sticky bar carries tap-to-call on mobile */
  .header-actions .btn-sand{padding:.7rem .95rem;font-size:.9rem;white-space:nowrap}
  .hero-photo img{height:16rem}
}
@media (max-width:480px){
  .topbar-note{display:none}
  .topbar-inner{justify-content:center}
  .brand-text{font-size:.95rem;line-height:1.1}
  .brand-text strong{display:block}
}
.opt{font-weight:400;color:var(--muted)}