/* Atlanta Environmental Testing — shared styles */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --navy:#173247;
  --pine:#315747;
  --sage:#809589;
  --stone:#E5E6DF;
  --warm:#F8F7F2;
  --serif: 'IBM Plex Serif', Georgia, serif;
  --sans: 'IBM Plex Sans', -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  color:var(--navy);
  background:var(--warm);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  padding-bottom:64px; /* space for mobile sticky bar */
}
img{max-width:100%; display:block;}
a{color:inherit;}
h1,h2,h3{font-family:var(--serif); font-weight:500; letter-spacing:-0.01em; line-height:1.15;}
h2{font-size:clamp(1.6rem,3vw,2.2rem);}
p{max-width:62ch;}
.wrap{max-width:1180px; margin:0 auto; padding:0 24px;}
a:focus-visible, button:focus-visible, summary:focus-visible{outline:2px solid var(--pine); outline-offset:3px;}
@media (prefers-reduced-motion: reduce){ *{animation:none !important; transition:none !important;} }

/* ---------- buttons ---------- */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; font-weight:600; font-size:0.92rem; padding:12px 22px; border-radius:2px; text-decoration:none; border:1px solid transparent; cursor:pointer; font-family:var(--sans);}
.btn-primary{background:var(--pine); color:var(--warm);}
.btn-primary:hover{background:#26433a;}
.btn-outline{border-color:var(--navy); color:var(--navy); background:transparent;}
.btn-outline:hover{background:var(--navy); color:var(--warm);}
.btn-on-dark{background:var(--warm); color:var(--pine);}
.btn-on-dark:hover{background:var(--stone);}
.btn-outline-on-dark{border-color:var(--warm); color:var(--warm);}
.btn-outline-on-dark:hover{background:var(--warm); color:var(--pine);}
.link-pine{color:var(--pine); text-decoration:underline;}

/* ---------- header ---------- */
header.site{position:sticky; top:0; z-index:50; background:var(--warm); border-bottom:1px solid var(--stone);}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 24px; max-width:1180px; margin:0 auto;}
.logo-mark{height:38px; width:auto;}
nav.primary-nav{display:none; align-items:center; gap:28px;}
nav.primary-nav a{font-size:0.92rem; text-decoration:none; color:var(--navy);}
nav.primary-nav a:hover{color:var(--pine);}
nav.primary-nav a.active{color:var(--pine); font-weight:600;}
.header-cta{display:none;}
.nav-toggle{display:inline-flex; align-items:center; justify-content:center; border:1px solid var(--navy); border-radius:2px; padding:8px; background:none; cursor:pointer;}
#mobile-menu{display:none; border-top:1px solid var(--stone); background:var(--warm);}
#mobile-menu.open{display:block;}
#mobile-menu ul{list-style:none; display:flex; flex-direction:column; padding:12px 24px; gap:2px;}
#mobile-menu a{display:block; padding:12px 4px; text-decoration:none; color:var(--navy); font-size:1rem;}
#mobile-menu a:hover{color:var(--pine);}
@media (min-width:960px){
  nav.primary-nav{display:flex;}
  .header-cta{display:inline-flex;}
  .nav-toggle{display:none;}
}

/* ---------- hero ---------- */
.hero{padding:72px 0 64px;}
.hero-grid{display:grid; grid-template-columns:1fr; gap:40px; align-items:center;}
.eyebrow{font-size:0.82rem; font-weight:600; color:var(--pine); margin-bottom:14px;}
.hero h1{font-size:clamp(2.1rem,5vw,3.2rem);}
.lede{margin-top:18px; font-size:1.05rem; color:#3c4f5c; max-width:46ch;}
.hero-actions{margin-top:26px; display:flex; flex-wrap:wrap; gap:14px;}
@media (min-width:900px){ .hero-grid{grid-template-columns:1.05fr 0.85fr;} }
.hero-art{width:100%; height:auto; will-change:transform;}

/* ---------- hero entrance animation (single orchestrated page-load moment) ---------- */
.hero .eyebrow, .hero h1, .hero .lede, .hero .hero-actions{
  opacity:0; animation:hero-rise 0.7s cubic-bezier(.22,.9,.32,1) forwards;
}
.hero .eyebrow{animation-delay:0.05s;}
.hero h1{animation-delay:0.15s;}
.hero .lede{animation-delay:0.28s;}
.hero .hero-actions{animation-delay:0.4s;}
@keyframes hero-rise{
  from{opacity:0; transform:translateY(14px);}
  to{opacity:1; transform:translateY(0);}
}
.hero-art .contour-line{
  stroke-dasharray:900; stroke-dashoffset:900;
  animation:draw-contour 1.4s cubic-bezier(.3,.8,.4,1) forwards;
}
.hero-art .contour-line:nth-of-type(1){animation-delay:0.15s;}
.hero-art .contour-line:nth-of-type(2){animation-delay:0.3s;}
.hero-art .contour-line:nth-of-type(3){animation-delay:0.45s;}
.hero-art .contour-line:nth-of-type(4){animation-delay:0.6s;}
@keyframes draw-contour{ to{stroke-dashoffset:0;} }
.hero-art .leaf-mark{
  opacity:0; transform-origin:40px 130px; transform:scale(0.6);
  animation:leaf-grow 0.6s cubic-bezier(.34,1.56,.64,1) forwards;
  animation-delay:0.55s;
}
@keyframes leaf-grow{ to{opacity:1; transform:scale(1);} }
@media (prefers-reduced-motion: reduce){
  .hero .eyebrow, .hero h1, .hero .lede, .hero .hero-actions{opacity:1; animation:none;}
  .hero-art .contour-line{stroke-dashoffset:0; animation:none;}
  .hero-art .leaf-mark{opacity:1; transform:scale(1); animation:none;}
}

/* ---------- section shells ---------- */
.section{padding:64px 0;}
.section-border-top{border-top:1px solid var(--stone);}
.section-alt{background:var(--stone);}
.section-alt-soft{background:rgba(229,230,223,0.4);}
.section-head{margin-bottom:36px;}
.section-head p{color:#41544f; margin-top:8px;}

/* ---------- credentials strip ---------- */
.cred-strip{border-top:1px solid var(--stone); border-bottom:1px solid var(--stone); background:var(--warm); padding:18px 0;}
.cred-strip .wrap{display:flex; flex-wrap:wrap; gap:12px 28px; font-size:0.9rem; color:#41544f;}
.cred-strip .dot{display:inline-block; width:6px; height:6px; border-radius:50%; background:var(--pine); margin-right:8px;}

/* ---------- grids ---------- */
.grid-2{display:grid; grid-template-columns:1fr; gap:2px; background:var(--stone);}
.grid-3{display:grid; grid-template-columns:1fr; gap:2px; background:var(--stone);}
.card{background:var(--warm); padding:32px;}
.card h3{font-size:1.05rem; font-family:var(--sans); font-weight:600; margin-bottom:10px;}
.card p{font-size:0.92rem; color:var(--navy); opacity:0.75;}
@media (min-width:640px){ .grid-2{grid-template-columns:1fr 1fr;} .grid-3{grid-template-columns:1fr 1fr;} }
@media (min-width:960px){ .grid-3{grid-template-columns:1fr 1fr 1fr;} }

/* ---------- pricing ---------- */
.price-table{display:grid; grid-template-columns:1fr; gap:2px; background:var(--navy); margin-top:8px;}
.price-card{background:var(--warm); padding:32px; display:flex; flex-direction:column;}
.price-card.featured{background:var(--navy); color:var(--warm);}
.price-label{font-size:0.85rem; font-weight:600; color:var(--pine);}
.price-card.featured .price-label{color:var(--sage);}
.price-amount{font-family:var(--mono); font-weight:600; letter-spacing:-0.02em; font-size:2rem; margin:6px 0 14px;}
.price-desc{font-size:0.9rem; color:#3c4f5c; margin-bottom:16px;}
.price-card.featured .price-desc{color:#c7d2d6;}
.price-included{list-style:none; display:flex; flex-direction:column; gap:6px; margin-bottom:16px; font-size:0.88rem; color:#dfe6e2;}
.price-note{margin-top:auto; font-size:0.8rem; color:var(--pine); border-top:1px solid var(--stone); padding-top:14px;}
.price-card.featured .price-note{color:var(--sage); border-top-color:rgba(248,247,242,0.2);}
.pricing-footnote{margin-top:20px; font-size:0.88rem; color:#41544f; max-width:68ch;}
@media (min-width:768px){ .price-table{grid-template-columns:1fr 1fr 1fr;} }

/* ---------- interactive pricing calculator ---------- */
.price-calculator{
  margin-top:32px; border:1px solid var(--navy); background:var(--warm);
  padding:28px; max-width:520px;
}
.price-calculator h3{font-family:var(--sans); font-size:1rem; font-weight:600; margin-bottom:6px;}
.price-calculator > p{font-size:0.88rem; color:#41544f; margin-bottom:20px;}
.calc-row{display:flex; align-items:center; justify-content:space-between; gap:16px; padding-bottom:20px; margin-bottom:20px; border-bottom:1px dashed var(--stone);}
.calc-row span:first-child{font-size:0.92rem; color:var(--navy);}
.stepper{display:flex; align-items:center; gap:14px;}
.step-btn{
  width:32px; height:32px; border:1px solid var(--navy); background:var(--warm); color:var(--navy);
  font-family:var(--mono); font-size:1.1rem; line-height:1; cursor:pointer; transition:background 0.15s ease, color 0.15s ease;
}
.step-btn:hover{background:var(--navy); color:var(--warm);}
.step-btn:disabled{opacity:0.35; cursor:not-allowed; background:var(--warm); color:var(--navy);}
.step-value{font-family:var(--mono); font-weight:600; font-size:1.1rem; min-width:20px; text-align:center;}
.calc-total{display:flex; align-items:baseline; justify-content:space-between;}
.calc-total > span:first-child{font-size:0.92rem; color:var(--navy);}
.calc-total-amount{font-family:var(--mono); font-weight:600; font-size:1.8rem; color:var(--pine); transition:transform 0.2s ease;}
.calc-total-amount.bump{transform:scale(1.12);}
.calc-breakdown{margin-top:6px; font-size:0.78rem; color:rgba(23,50,71,0.55);}

/* ---------- process steps ---------- */
.steps{position:relative; display:grid; grid-template-columns:1fr; gap:32px; border-top:1px solid var(--stone); padding-top:40px; margin-top:8px;}
.steps::before{
  content:''; position:absolute; top:0; left:0; height:2px; width:0%;
  background:var(--pine); transition:width 1.4s cubic-bezier(.3,.8,.4,1);
}
.steps.in-view::before{width:100%;}
.step{opacity:0; transform:translateY(10px); transition:opacity 0.5s ease, transform 0.5s ease;}
.steps.in-view .step{opacity:1; transform:translateY(0);}
.step:nth-child(1){transition-delay:0.05s;}
.step:nth-child(2){transition-delay:0.15s;}
.step:nth-child(3){transition-delay:0.25s;}
.step:nth-child(4){transition-delay:0.35s;}
.step:nth-child(5){transition-delay:0.45s;}
.step:nth-child(6){transition-delay:0.55s;}
.step-index{font-family:var(--mono); font-weight:600; font-size:1.5rem; color:var(--sage); display:block; margin-bottom:10px; transition:color 0.3s ease;}
.steps.in-view .step-index{color:var(--pine);}
.step h3{font-size:1rem; font-family:var(--sans); font-weight:600; margin-bottom:8px;}
.step p{font-size:0.9rem; color:#4a5c65;}
@media (min-width:640px){ .steps{grid-template-columns:1fr 1fr;} }
@media (min-width:960px){ .steps{grid-template-columns:1fr 1fr 1fr;} }
@media (prefers-reduced-motion: reduce){
  .step{opacity:1; transform:none;}
  .steps::before{transition:none;}
}

/* ---------- photo placeholder ---------- */
.photo-placeholder{aspect-ratio:4/3; display:flex; align-items:center; justify-content:center; border:1px dashed rgba(128,149,137,0.6); background:rgba(229,230,223,0.6); text-align:center; padding:20px;}
.photo-placeholder .tag{font-size:0.72rem; font-weight:600; letter-spacing:0.04em; text-transform:uppercase; color:var(--sage);}
.photo-placeholder .desc{margin-top:6px; font-size:0.88rem; color:rgba(23,50,71,0.6);}

/* ---------- custom illustration panels (used in place of real photography) ---------- */
.illustration-panel{display:flex; align-items:center; justify-content:center; background:var(--stone); padding:24px;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--pine); color:var(--warm); padding:48px 0;}
.cta-band .wrap{display:flex; flex-direction:column; gap:20px;}
.cta-band h2{color:var(--warm); font-size:1.6rem;}
.cta-band .actions{display:flex; flex-wrap:wrap; gap:14px;}
@media (min-width:768px){ .cta-band .wrap{flex-direction:row; align-items:center; justify-content:space-between;} }

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--stone); border-bottom:1px solid var(--stone);}
.faq-item{border-bottom:1px solid var(--stone); padding:18px 0;}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center; gap:16px; font-weight:500; font-size:1rem;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{color:var(--sage); transition:transform .15s ease; font-size:1.2rem;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item p{margin-top:10px; font-size:0.9rem; color:#41544f; max-width:68ch;}

/* ---------- reviews ---------- */
.review-placeholder{border:1px dashed rgba(128,149,137,0.6); background:var(--warm); padding:28px; max-width:640px; font-size:0.9rem; color:#41544f;}

/* ---------- forms ---------- */
form{display:flex; flex-direction:column; gap:20px;}
.form-row{display:grid; grid-template-columns:1fr; gap:20px;}
@media (min-width:640px){ .form-row{grid-template-columns:1fr 1fr;} }
.field{display:flex; flex-direction:column; gap:6px;}
.field label{font-size:0.9rem; font-weight:500;}
.field .req{color:var(--pine);}
.field input, .field select, .field textarea{
  font-family:var(--sans); font-size:0.92rem; padding:10px 14px; border:1px solid var(--stone); background:var(--warm); color:var(--navy); border-radius:2px;
}
.field input:focus, .field select:focus, .field textarea:focus{outline:2px solid var(--pine); outline-offset:1px;}
.field .hint{font-size:0.78rem; color:rgba(23,50,71,0.5);}
.checkbox-row{display:flex; align-items:flex-start; gap:10px; font-size:0.88rem; color:#41544f;}
.checkbox-row input{margin-top:4px;}
.form-note{font-size:0.78rem; color:rgba(23,50,71,0.5);}
.form-success{border:1px solid rgba(49,87,71,0.3); background:rgba(49,87,71,0.05); padding:28px;}
.form-success h3{font-size:1.25rem; margin-bottom:8px;}
.form-error{font-size:0.88rem; color:#8a2e2e; display:none;}
.honeypot{position:absolute; left:-9999px; top:-9999px;}
input[type=submit], button[type=submit]{align-self:flex-start;}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--stone); padding:56px 0 100px;}
.footer-top{display:grid; grid-template-columns:1fr; gap:32px; padding-bottom:36px; border-bottom:1px solid var(--stone);}
.footer-logo{height:34px; margin-bottom:14px;}
.footer-top p{font-size:0.9rem; color:#5a6b70;}
.cred-badges{display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; list-style:none;}
.cred-badges li{border:1px solid rgba(128,149,137,0.5); padding:5px 10px; font-size:0.75rem; color:var(--pine); border-radius:2px;}
.footer-col h4{font-size:0.82rem; font-weight:600; margin-bottom:14px;}
.footer-col ul{list-style:none; display:flex; flex-direction:column; gap:9px;}
.footer-col a{font-size:0.88rem; text-decoration:none; color:#4a5c65;}
.footer-col a:hover{color:var(--pine);}
.footer-bottom{display:flex; flex-direction:column; gap:10px; padding-top:22px; font-size:0.78rem; color:rgba(23,50,71,0.5);}
.footer-bottom .legal-links{display:flex; gap:18px;}
.footer-bottom .legal-links a{color:inherit;}
@media (min-width:768px){
  .footer-top{grid-template-columns:1.3fr 1fr 1fr;}
  .footer-bottom{flex-direction:row; align-items:center; justify-content:space-between;}
}

/* ---------- mobile sticky cta ---------- */
.mobile-sticky{position:fixed; left:0; right:0; bottom:0; z-index:50; display:grid; grid-template-columns:1fr 1fr; border-top:1px solid var(--stone); background:var(--warm);}
.mobile-sticky a{display:flex; align-items:center; justify-content:center; padding:16px; font-size:0.9rem; font-weight:600; text-decoration:none;}
.mobile-sticky a.call{color:var(--navy); border-right:1px solid var(--stone);}
.mobile-sticky a.book{background:var(--pine); color:var(--warm);}
@media (min-width:960px){ .mobile-sticky{display:none;} body{padding-bottom:0;} }

/* ---------- utility ---------- */
.text-center{text-align:center;}
.mt-8{margin-top:32px;}
.max-64{max-width:64ch;}
.small{font-size:0.85rem; color:rgba(23,50,71,0.6);}
.dashed-note{border:1px dashed rgba(128,149,137,0.6); background:rgba(229,230,223,0.5); padding:20px; font-size:0.88rem; color:#41544f; margin-bottom:32px;}
.link-list{display:flex; flex-direction:column; gap:6px; margin-top:12px;}