:root{
  --brand:#0f766e; --brand-d:#115e59; --brand-l:#ccfbf1; --accent:#fbbf24;
  --ink:#0f172a; --muted:#475569; --bg:#fff; --alt:#f1f5f9; --line:#e2e8f0;
  --radius:16px; --shadow:0 10px 30px -12px rgba(15,23,42,.18);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.25rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3.5vw,2.25rem);letter-spacing:-.01em}
h3{font-size:1.125rem}
p{margin:0 0 1em}
a{color:var(--brand-d)}
.container{width:min(1140px,100% - 2.5rem);margin-inline:auto}
.narrow{width:min(780px,100% - 2.5rem)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:1rem;top:-100px;z-index:100;background:var(--ink);color:#fff;padding:.75rem 1rem;border-radius:8px}
.skip-link:focus{top:1rem}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

.sample-banner{background:var(--accent);color:#422006;text-align:center;font-size:.875rem;padding:.5rem 1rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:800;color:var(--ink);text-decoration:none;font-size:1.1rem}
.logo-mark{width:36px;height:36px;color:var(--brand)}
.site-nav ul{display:flex;align-items:center;gap:1.5rem;list-style:none;margin:0;padding:0}
.site-nav a:not(.btn){color:var(--ink);text-decoration:none;font-weight:500}
.site-nav a:not(.btn):hover{color:var(--brand)}
.nav-toggle{display:none;background:none;border:0;padding:.5rem;cursor:pointer;color:var(--ink)}
.nav-toggle svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.nav-toggle .x{display:none}
.nav-toggle[aria-expanded="true"] .x{display:block}
.nav-toggle[aria-expanded="true"] .bars{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;border:2px solid var(--brand);border-radius:999px;padding:.7rem 1.3rem;cursor:pointer;font:inherit;font-weight:700;transition:background .2s,transform .2s}
.btn:hover{background:var(--brand-d);border-color:var(--brand-d);transform:translateY(-1px)}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2}
.btn-sm{padding:.45rem 1rem;font-size:.95rem}
.btn-lg{padding:.9rem 1.6rem;font-size:1.05rem}
.btn-ghost{background:#fff;color:var(--brand-d)}
.btn-ghost:hover{background:var(--brand-l);color:var(--brand-d)}
.btn-block{width:100%}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#99f6e4 0,transparent 60%),linear-gradient(180deg,#f0fdfa,#fff);padding:clamp(3rem,8vw,6rem) 0}
.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:700;color:var(--brand);margin-bottom:.75rem}
.hl{background:linear-gradient(transparent 62%,#fde68a 62%)}
.lead{font-size:1.15rem;color:var(--muted);max-width:36ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.75rem 0 1rem}
.hero-note{font-size:.875rem;color:var(--muted)}
.hero-art{position:relative;aspect-ratio:1/1;max-width:440px;justify-self:center;width:100%}
.art-blob{position:absolute;inset:8%;border-radius:42% 58% 55% 45%/50% 40% 60% 50%;background:linear-gradient(135deg,#14b8a6,#0f766e 60%,#134e4a);box-shadow:var(--shadow)}
.art-blob::after{content:"";position:absolute;inset:22%;border-radius:50%;background:radial-gradient(circle at 35% 35%,rgba(255,255,255,.45),transparent 60%)}
.art-card{position:absolute;z-index:2;display:flex;align-items:center;gap:.6rem;background:#fff;padding:.8rem 1.1rem;border-radius:14px;box-shadow:var(--shadow);font-weight:700}
.art-card svg{width:26px;height:26px;fill:none;stroke:var(--brand);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.art-a{top:10%;left:-2%}
.art-b{bottom:12%;right:-2%}

/* sections */
.section{padding:clamp(3.5rem,8vw,6rem) 0}
.section-alt{background:var(--alt)}
.section-head{text-align:center;max-width:640px;margin:0 auto 2.5rem}
.section-head p:last-child{color:var(--muted)}
.grid{display:grid;gap:1.25rem}
.cards{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.card p{color:var(--muted)}
.icon{width:48px;height:48px;border-radius:12px;background:var(--brand-l);display:grid;place-items:center;margin-bottom:1rem}
.icon svg{width:26px;height:26px;fill:none;stroke:var(--brand-d);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.price{font-weight:700;color:var(--ink)!important;margin:0}

.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;counter-reset:s}
.step{background:#fff;border-radius:var(--radius);padding:1.75rem;border:1px solid var(--line)}
.step p{color:var(--muted);margin:0}
.step-num{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;margin-bottom:1rem}

.why-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:3rem;align-items:start}
.why-grid > div > p:last-child{color:var(--muted)}
.benefits{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.benefits li{display:flex;gap:.9rem}
.benefits svg{flex:none;width:28px;height:28px;padding:5px;border-radius:50%;background:var(--brand);fill:none;stroke:#fff;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.benefits p{color:var(--muted);margin:0}
.benefits h3{margin-bottom:.25rem}

.placeholder-block{border:2px dashed #94a3b8;border-radius:var(--radius);padding:2.5rem 1.5rem;text-align:center;background:repeating-linear-gradient(45deg,#fff,#fff 12px,#f8fafc 12px,#f8fafc 24px);color:var(--muted)}
.placeholder-block svg{width:40px;height:40px;margin:0 auto 1rem;fill:none;stroke:#94a3b8;stroke-width:2}
.placeholder-block h2{color:var(--ink);font-size:1.5rem}
.placeholder-block p{max-width:52ch;margin:0 auto}

.area-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.area-grid > div > p{color:var(--muted)}
.chips{list-style:none;padding:0;margin:1.25rem 0 0;display:flex;flex-wrap:wrap;gap:.5rem}
.chips li{background:var(--brand-l);color:var(--brand-d);font-weight:600;padding:.4rem .9rem;border-radius:999px;font-size:.95rem}
.map-card{background:linear-gradient(135deg,#ecfeff,#f0fdf4);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;text-align:center}
.map-card p{font-size:.85rem;color:var(--muted);margin:.5rem 0 0}
.road{fill:none;stroke:#cbd5e1;stroke-width:6;stroke-linecap:round}
.radius{fill:rgba(20,184,166,.15);stroke:#14b8a6;stroke-width:2;stroke-dasharray:6 5}
.pin{fill:var(--brand)}

.accordion{display:grid;gap:.75rem}
.acc-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.acc-item h3{margin:0;font-size:1rem}
.acc-btn{width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.1rem 1.25rem;background:none;border:0;font:inherit;font-weight:700;text-align:left;cursor:pointer;color:var(--ink)}
.acc-btn:hover{color:var(--brand-d)}
.acc-icon{flex:none;position:relative;width:16px;height:16px}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;left:0;top:7px;width:16px;height:2px;background:currentColor;border-radius:2px;transition:transform .2s}
.acc-icon::after{transform:rotate(90deg)}
.acc-btn[aria-expanded="true"] .acc-icon::after{transform:rotate(0)}
.acc-panel{padding:0 1.25rem 1.1rem;color:var(--muted)}
.acc-panel p{margin:0}

.contact{background:linear-gradient(160deg,#134e4a,#0f766e);color:#fff}
.contact .eyebrow{color:#5eead4}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:3rem;align-items:start}
.contact-info p{color:#ccfbf1}
.contact-list{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:.9rem}
.contact-list li{display:flex;gap:.75rem;align-items:center}
.contact-list svg{flex:none;width:22px;height:22px;fill:none;stroke:#5eead4;stroke-width:2}
.contact-list a{color:#fff}
.quote-form{background:#fff;color:var(--ink);border-radius:var(--radius);padding:clamp(1.25rem,4vw,2rem);box-shadow:0 20px 50px -20px rgba(0,0,0,.5)}
.form-demo-note{background:#fef3c7;color:#78350f;font-size:.85rem;padding:.5rem .75rem;border-radius:8px;font-weight:600}
.field{margin-bottom:1rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
label{display:block;font-weight:600;margin-bottom:.35rem;font-size:.95rem}
input,select,textarea{width:100%;font:inherit;padding:.7rem .85rem;border:1.5px solid #cbd5e1;border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,184,166,.3)}
input[aria-invalid="true"]{border-color:#dc2626}
.error{color:#b91c1c;font-size:.85rem;margin:.3rem 0 0;min-height:0}
.error:empty{display:none}
.form-status{margin:1rem 0 0;font-weight:600;color:var(--brand-d)}
.form-status:empty{display:none}

.site-footer{background:var(--ink);color:#cbd5e1;padding:3rem 0 1.5rem}
.footer-inner{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.logo-light{color:#fff;margin-bottom:.5rem}
.site-footer ul{list-style:none;display:flex;gap:1.5rem;padding:0;margin:0}
.site-footer a{color:#e2e8f0}
.footer-bottom{border-top:1px solid #334155;margin-top:2rem;padding-top:1.25rem;font-size:.875rem}
.footer-bottom strong{color:var(--accent)}

/* responsive */
@media (max-width:960px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .hero-inner,.why-grid,.area-grid,.contact-grid{grid-template-columns:1fr;gap:2rem}
  .hero-art{max-width:320px}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1.25rem 1.25rem}
  .site-nav li a:not(.btn){display:block;padding:.85rem 0;border-bottom:1px solid var(--line)}
  .site-nav .btn{margin-top:1rem;width:100%}
}
@media (max-width:640px){
  .cards,.steps,.benefits,.field-row{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 100%}
  .hero-art{display:none}
  .footer-inner{flex-direction:column}
}