@font-face { font-family: "Geist"; src: url("fonts/geist-latin.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
/* WWAP Engineers — site styles */
:root {
  --ink: #000;
  --text: #1d1d1d;
  --soft: #555;
  --muted: #8f8f8f;
  --line: #e7e7e7;
  --surface: #f4f4f4;
  --field: #f1f1f1;
  --bg: #fff;
  --wa: #25d366;
  --max: 1120px;
  --gutter: 24px;
  --r-lg: 18px;
  --r-md: 12px;
  --font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 99px; z-index: 100; }
.skip:focus { left: 12px; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.site-header.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; gap: 28px; height: 64px; }
.logo { font-weight: 700; font-size: 15px; letter-spacing: -.01em; text-decoration: none; color: var(--ink); white-space: nowrap; }
.logo sup { font-size: .6em; font-weight: 500; }
.nav-links { display: flex; align-items: center; gap: 22px; list-style: none; margin: 0; padding: 0; font-size: 14px; }
.nav-links a, .nav-links button { color: var(--muted); text-decoration: none; background: none; border: 0; padding: 6px 0; cursor: pointer; transition: color .15s; }
.nav-links a:hover, .nav-links button:hover, .nav-links a[aria-current="page"], .nav-links .is-current > button { color: var(--ink); }
.has-menu { position: relative; }
.has-menu button::after { content: ""; display: inline-block; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-3px) rotate(45deg); margin-left: 7px; }
.submenu { position: absolute; top: calc(100% + 10px); left: -18px; min-width: 250px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 8px; list-style: none; margin: 0; box-shadow: 0 12px 32px rgba(0,0,0,.08); opacity: 0; visibility: hidden; transform: translateY(-4px); transition: opacity .15s, transform .15s, visibility .15s; }
.has-menu:hover .submenu, .has-menu:focus-within .submenu, .has-menu.open .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu a { display: block; padding: 10px 12px; border-radius: 8px; color: var(--text) !important; }
.submenu a:hover { background: var(--surface); }
.submenu small { display: block; color: var(--muted); font-size: 12.5px; }
.nav-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.menu-toggle { display: none; width: 40px; height: 40px; border: 0; background: var(--surface); border-radius: 99px; cursor: pointer; align-items: center; justify-content: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 16px; height: 1.5px; background: var(--ink); position: relative; transition: transform .2s; }
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -5px; } .menu-toggle span::after { top: 5px; }
.nav-open .menu-toggle span { background: transparent; }
.nav-open .menu-toggle span::before { transform: translateY(5px) rotate(45deg); }
.nav-open .menu-toggle span::after { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 99px; font-size: 14.5px; font-weight: 500; text-decoration: none; border: 1px solid var(--ink); background: var(--ink); color: #fff; cursor: pointer; transition: background .15s, color .15s, transform .1s; white-space: nowrap; }
.btn:hover { background: #2a2a2a; }
.btn:active { transform: translateY(1px); }
.btn-sm { height: 34px; padding: 0 15px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: #cfcfcf; }
.btn-ghost:hover { background: var(--surface); }
.btn-light { background: #fff; color: var(--ink); border-color: #fff; }
.btn-light:hover { background: #e9e9e9; }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-outline-light:hover { background: rgba(255,255,255,.1); }
.btn svg { width: 18px; height: 18px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

/* ---------- Type ---------- */
.display { font-size: clamp(2.05rem, 4.6vw, 3.35rem); line-height: 1.04; letter-spacing: -.035em; font-weight: 600; margin: 0; color: var(--ink); max-width: 20ch; text-wrap: balance; }
.display .sub, .h2 .sub { display: block; color: var(--muted); }
.display.wide { max-width: 24ch; }
.h2 { font-size: clamp(1.6rem, 2.9vw, 2.25rem); line-height: 1.08; letter-spacing: -.03em; font-weight: 600; margin: 0; color: var(--ink); text-wrap: balance; }
.h3 { font-size: 1.05rem; letter-spacing: -.01em; font-weight: 600; margin: 0 0 4px; color: var(--ink); }
.lead { font-size: 1.125rem; color: var(--soft); max-width: 60ch; margin: 18px 0 0; }
.body { color: var(--soft); max-width: 66ch; }
.body p { margin: 0 0 14px; }
.small { font-size: 14px; color: var(--muted); }
.center { text-align: center; }
.center .h2, .center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-tight { padding: 56px 0; }
.hero { padding: 72px 0 0; }
.hero-media { margin-top: 48px; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
.section-head { margin-bottom: 40px; display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }
.section-head.center { display: block; }
.link { color: var(--ink); font-size: 14.5px; font-weight: 500; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: #c9c9c9; }
.link:hover { text-decoration-color: var(--ink); }

.photo { border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.ratio-hero { aspect-ratio: 16 / 9; }
.ratio-card { aspect-ratio: 4 / 3; }
.ratio-tall { aspect-ratio: 4 / 5; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding: 56px 0 0; }
.stat { text-align: center; }
.stat b { display: block; font-size: clamp(2.2rem, 4.5vw, 3.2rem); font-weight: 600; letter-spacing: -.04em; line-height: 1; color: var(--ink); }
.stat span { display: block; font-size: 14px; color: var(--muted); margin-top: 8px; }

/* cards with images */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { text-decoration: none; display: block; }
.card .photo { margin-bottom: 16px; }
.card .photo img { transition: transform .5s ease; }
a.card:hover .photo img { transform: scale(1.03); }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; max-width: 34ch; }
.card .more { display: inline-block; margin-top: 10px; font-size: 14px; font-weight: 500; color: var(--ink); }

/* icon grid */
.icons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px 24px; }
.icons.cols-3 { grid-template-columns: repeat(3, 1fr); }
.icon-item { text-align: center; text-decoration: none; color: var(--ink); }
.icon-item svg { width: 26px; height: 26px; stroke: #6d6d6d; margin: 0 auto 12px; display: block; }
.icon-item b { display: block; font-weight: 500; font-size: 15px; letter-spacing: -.01em; }
.icon-item span { display: block; color: var(--muted); font-size: 13.5px; margin-top: 4px; line-height: 1.45; max-width: 28ch; margin-left: auto; margin-right: auto; }
a.icon-item:hover svg { stroke: var(--ink); }

/* feature rows (left aligned, icon + text) */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 56px; }
.features.cols-3 { grid-template-columns: repeat(3, 1fr); }
.feature { display: grid; grid-template-columns: 40px 1fr; gap: 14px; }
.feature svg { width: 24px; height: 24px; stroke: var(--ink); margin-top: 2px; }
.feature p { margin: 0; color: var(--soft); font-size: 15px; }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); counter-reset: s; }
.steps li { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); counter-increment: s; }
.steps li b { font-weight: 500; color: var(--ink); }
.steps li span { display: block; color: var(--muted); font-size: 14.5px; margin-top: 2px; }
.steps li::after { content: "Step " counter(s); color: var(--muted); font-size: 13px; white-space: nowrap; padding-top: 2px; }

/* two-column split */
.split { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: start; }
.split.even { grid-template-columns: 1fr 1fr; }

/* checklist */
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 28px; color: var(--soft); }
.checks li::before { content: ""; position: absolute; left: 2px; top: 6px; width: 12px; height: 7px; border-left: 1.75px solid var(--ink); border-bottom: 1.75px solid var(--ink); transform: rotate(-45deg); }
.checks b { color: var(--ink); font-weight: 500; }

/* spec table */
.specs { width: 100%; border-collapse: collapse; font-size: 15px; }
.specs th, .specs td { text-align: left; padding: 15px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.specs th { width: 34%; font-weight: 500; color: var(--ink); padding-right: 20px; }
.specs td { color: var(--soft); }
.specs tr:first-child th, .specs tr:first-child td { border-top: 1px solid var(--line); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 340px)); gap: 20px; justify-content: center; margin-top: 44px; }
.plan { background: var(--surface); border-radius: var(--r-lg); padding: 26px; display: flex; flex-direction: column; }
.plan .tag { font-size: 13.5px; color: var(--muted); }
.plan .price { font-size: 2rem; font-weight: 600; letter-spacing: -.03em; color: var(--ink); margin: 6px 0 18px; }
.plan .checks { font-size: 14.5px; margin-bottom: 28px; }
.plan .btn { margin-top: auto; width: 100%; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative; font-weight: 500; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 22px; font-weight: 300; color: var(--muted); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { margin: 0 0 20px; color: var(--soft); max-width: 64ch; }

/* industry cards */
.ind-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; border-top: 1px solid var(--line); }
.ind { display: grid; grid-template-columns: 40px 1fr; gap: 16px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.ind svg { width: 26px; height: 26px; stroke: var(--ink); margin-top: 2px; }
.ind p { margin: 4px 0 0; color: var(--soft); font-size: 15px; }
.ind .tags { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.ind .tags span { font-size: 12.5px; background: var(--surface); color: var(--soft); padding: 4px 10px; border-radius: 99px; }

/* client strip */
.trust { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 28px; }
.trust span { border: 1px solid var(--line); border-radius: 99px; padding: 8px 16px; font-size: 14px; color: var(--soft); }

/* CTA band */
.cta-band { background: var(--ink); color: #fff; border-radius: 24px; padding: 72px 40px; text-align: center; }
.cta-band .h2 { color: #fff; max-width: 22ch; margin: 0 auto; }
.cta-band p { color: #a8a8a8; max-width: 44ch; margin: 14px auto 0; }
.cta-band .btn-row { justify-content: center; }

/* contact methods */
.methods { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.method { background: var(--surface); border-radius: var(--r-lg); padding: 22px; text-decoration: none; display: block; transition: background .15s; }
a.method:hover { background: #ececec; }
.method svg { width: 22px; height: 22px; stroke: var(--ink); margin-bottom: 26px; }
.method b { display: block; font-weight: 500; color: var(--ink); }
.method span { display: block; color: var(--soft); font-size: 14.5px; margin-top: 2px; word-break: break-word; }

/* forms */
.form-wrap { max-width: 560px; margin: 40px auto 0; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--soft); }
.field label i { font-style: normal; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; background: var(--field); border: 1px solid transparent; border-radius: 10px; padding: 12px 14px; font-size: 15px; outline: none; transition: border-color .15s, background .15s; -webkit-appearance: none; appearance: none; }
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23777' stroke-width='1.5'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ink); background: #fff; }
.field input::placeholder, .field textarea::placeholder { color: #a5a5a5; }
.form .btn { grid-column: 1 / -1; height: 50px; width: 100%; margin-top: 4px; }
.form-note { grid-column: 1 / -1; font-size: 13px; color: var(--muted); text-align: center; margin: 0; }
.form-status { grid-column: 1 / -1; font-size: 14px; margin: 0; padding: 12px 14px; border-radius: 10px; background: #fff3f3; color: #8a1f1f; display: none; }
.form-status.show { display: block; }
.hp { position: absolute; left: -9999px; }

.map { border: 0; width: 100%; height: 360px; border-radius: var(--r-lg); background: var(--surface); filter: grayscale(1); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 40px; margin-top: 24px; font-size: 14px; }
.foot { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.foot p { color: var(--muted); margin: 10px 0 0; max-width: 30ch; }
.foot h4 { font-size: 14px; font-weight: 500; margin: 0 0 10px; color: var(--ink); }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--ink); }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 48px; color: var(--muted); font-size: 13px; }

/* WhatsApp float */
.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 60; width: 56px; height: 56px; border-radius: 50%; background: var(--wa); display: grid; place-items: center; box-shadow: 0 6px 20px rgba(0,0,0,.18); transition: transform .15s; }
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .split, .split.even { grid-template-columns: 1fr; gap: 32px; }
  .features.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .methods { grid-template-columns: repeat(2, 1fr); }
  .foot { grid-template-columns: repeat(3, 1fr); }
  .foot > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav-open .nav-links { display: flex; flex-direction: column; align-items: stretch; gap: 0; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 20px; font-size: 16px; }
  .nav-open .nav-links > li > a, .nav-open .nav-links > li > button { display: block; width: 100%; text-align: left; padding: 14px 0; color: var(--ink); border-bottom: 1px solid var(--line); }
  .nav-open .has-menu button::after { display: none; }
  .nav-open .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 4px 0 8px 0; min-width: 0; }
  .nav-open .submenu a { padding: 10px 12px; }
}
@media (max-width: 680px) {
  :root { --gutter: 18px; }
  body { font-size: 15.5px; }
  .section { padding: 64px 0; }
  .hero { padding: 40px 0 0; }
  .hero-media { margin-top: 32px; }
  .ratio-hero { aspect-ratio: 4 / 3; }
  .cards { grid-template-columns: 1fr; gap: 32px; }
  .icons, .icons.cols-3 { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .features, .features.cols-3 { grid-template-columns: 1fr; gap: 26px; }
  .ind-grid { grid-template-columns: 1fr; }
  .stats { gap: 10px; padding-top: 40px; }
  .stat b { font-size: 1.75rem; white-space: nowrap; }
  .stat span { font-size: 12.5px; }
  .display { font-size: 1.95rem; }
  .plans { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; }
  .methods { grid-template-columns: 1fr 1fr; gap: 10px; }
  .method { padding: 18px; }
  .method svg { margin-bottom: 18px; }
  .cta-band { padding: 52px 22px; border-radius: 20px; }
  .foot { grid-template-columns: 1fr 1fr; }
  .nav-cta .btn-sm { padding: 0 13px; }
  .specs th { width: 40%; }
  .btn-row .btn { flex: 1 1 auto; }
}

/* ---------- Header call button ---------- */
.nav-call { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: var(--ink); text-decoration: none; white-space: nowrap; margin-right: 4px; }
.nav-call svg { width: 17px; height: 17px; stroke: var(--ink); }
.nav-call:hover span { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 1000px) { .nav-call span { display: none; } .nav-call { width: 40px; height: 40px; justify-content: center; border-radius: 99px; background: var(--surface); margin-right: 0; } }

/* ---------- Treatment train ---------- */
.train { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; counter-reset: t; }
.train li { counter-increment: t; background: var(--surface); border-radius: var(--r-md); padding: 20px 18px 22px; position: relative; }
.train li::before { content: counter(t); display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.train b { display: block; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.train span { display: block; color: var(--soft); font-size: 14px; margin-top: 4px; line-height: 1.45; }

/* ---------- Comparison table ---------- */
.compare th { width: 22%; }
.compare td { width: 39%; padding-right: 16px; }
.compare tr:first-child td b { color: var(--ink); font-weight: 600; }
.compare tr td:last-child { color: var(--ink); }
@media (max-width: 680px) { .compare { font-size: 14px; } .compare th { width: 26%; } .train { grid-template-columns: 1fr; } .train li { display: grid; grid-template-columns: 28px 1fr; column-gap: 14px; padding: 16px; } .train li::before { margin: 0; grid-row: span 2; } }

/* ---------- Two-photo hero ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 48px; }
.duo .photo { aspect-ratio: 4 / 5; }
@media (max-width: 680px) { .duo { gap: 10px; margin-top: 32px; } }

/* contact method with several lines */
.method a.line { display: block; color: var(--soft); font-size: 14.5px; margin-top: 2px; text-decoration: none; word-break: break-word; }
.method a.line:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 680px) { .method-email, .method-wide { grid-column: 1 / -1; } .method-email a.line { word-break: normal; } }
.duo.land .photo { aspect-ratio: 4 / 3; }
@media (max-width: 680px) { .duo.land { grid-template-columns: 1fr; } }
.duo.mix { grid-template-columns: 3fr 2fr; }
.duo.mix .photo:first-child { aspect-ratio: 4 / 3; }
.duo.mix .photo:last-child { aspect-ratio: auto; height: 100%; }
@media (max-width: 680px) { .duo.mix { grid-template-columns: 1fr; } .duo.mix .photo:last-child { aspect-ratio: 4 / 5; height: auto; } }
.duo.mix .photo:last-child { position: relative; }
.duo.mix .photo:last-child img { position: absolute; inset: 0; }
@media (max-width: 680px) { .duo.mix .photo:last-child { position: static; } .duo.mix .photo:last-child img { position: static; } }

/* client logo row */
.clients { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 36px; }
.client { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px 20px; min-height: 120px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.client b { font-size: 16px; font-weight: 600; letter-spacing: -.01em; color: var(--ink); }
.client span { font-size: 13.5px; color: var(--muted); margin-top: 4px; }
.client img { max-height: 56px; max-width: 80%; width: auto; filter: grayscale(1); opacity: .85; }
@media (max-width: 680px) { .clients { grid-template-columns: 1fr; gap: 10px; } .client { min-height: 0; padding: 20px; } }
.client .logo-box { height: 72px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.client .logo-box img { max-height: 72px; max-width: 70%; width: auto; height: auto; filter: none; opacity: 1; mix-blend-mode: multiply; }
.client { padding: 30px 20px 26px; }
.client .logo-box { height: 92px; }
.client .logo-box img { max-height: 64px; max-width: 80%; }
.client .logo-box img.lg-super { max-height: 90px; }
.client .logo-box img.lg-ssg { max-height: 84px; max-width: 88%; }
.client .logo-box { height: 76px; }
.client .logo-box img { max-height: 52px; max-width: 70%; }
.client .logo-box img.lg-super { max-height: 74px; }
.client .logo-box img.lg-ssg { max-height: 68px; max-width: 76%; }
.clients-more { margin: 24px auto 0; color: var(--muted); font-size: 15px; max-width: 60ch; }

/* client strip in the Home hero */
.hero-clients { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 30px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); }
.hc-label { font-size: 13.5px; color: var(--muted); }
.hc-item { display: flex; align-items: center; gap: 10px; }
.hc-item img { height: 30px; width: auto; mix-blend-mode: multiply; }
.hc-item img.hc-super { height: 36px; }
.hc-item img.hc-ssg { height: 34px; }
.hc-item span { font-size: 13.5px; font-weight: 500; color: var(--ink); line-height: 1.25; }
.hc-item small { display: block; font-size: 12px; font-weight: 400; color: var(--muted); }
.hero-clients + .duo { margin-top: 32px; }
@media (max-width: 680px) {
  .hero-clients { gap: 12px; margin-top: 22px; padding-top: 16px; }
  .hc-label { width: 100%; }
  .hc-item { width: 100%; }
  .hc-item img { width: 64px; height: 28px; object-fit: contain; }
  .hc-item img.hc-super, .hc-item img.hc-ssg { height: 32px; }
}
.hc-more { font-size: 13.5px; color: var(--muted); }
@media (max-width: 680px) { .hc-more { width: 100%; } }
@media (min-width: 681px) { .hero-clients { gap: 14px 24px; } .hc-more { white-space: nowrap; } }
.hc-item img.hc-goodrich { height: 18px; }
.hc-item img.hc-mario { height: 38px; }
.client .logo-box img.lg-goodrich { max-height: 30px; max-width: 72%; }
.client .logo-box img.lg-mario { max-height: 70px; }
.clients { grid-template-columns: repeat(5, 1fr); }
.clients .client b { font-size: 14.5px; }
@media (max-width: 1100px) { .clients { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 680px) { .clients { grid-template-columns: 1fr 1fr; } .hc-item img.hc-goodrich { width: 64px; height: 28px; } }
.hc-item img.hc-goodrich { height: 14px; }
.hc-item img.hc-mario { height: 40px; }

/* Trusted-by strip v2: logo above, name below, one row */
.hero-clients { display: block; margin-top: 30px; padding-top: 18px; }
.hc-label { margin: 0 0 14px; font-size: 13.5px; color: var(--muted); }
.hc-row { display: grid; grid-template-columns: repeat(7, 1fr); gap: 16px; align-items: start; }
.hc-cell { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px; }
.hc-logo { height: 46px; display: flex; align-items: center; justify-content: center; width: 100%; }
.hc-logo img { max-height: 34px; max-width: 88%; width: auto; height: auto; mix-blend-mode: multiply; }
.hc-logo img.h-super, .hc-logo img.h-mario, .hc-logo img.h-paos { max-height: 46px; }
.hc-logo img.h-ssg { max-height: 40px; }
.hc-logo img.h-goodrich { max-height: 18px; }
.hc-cell > span { font-size: 12.5px; font-weight: 500; color: var(--ink); line-height: 1.3; }
.hc-cell.hc-more { justify-content: center; align-self: center; }
.hc-cell.hc-more span { font-weight: 400; color: var(--muted); font-size: 13px; }
.client .logo-box img.lg-paos { max-height: 72px; }
.clients { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 680px) {
  .hc-row { grid-template-columns: repeat(3, 1fr); gap: 14px 10px; }
  .hc-cell.hc-more { grid-column: 1 / -1; }
  .hc-logo { height: 38px; } .hc-logo img { max-height: 28px; }
  .hc-logo img.h-super, .hc-logo img.h-mario, .hc-logo img.h-paos { max-height: 38px; }
  .hc-logo img.h-goodrich { max-height: 14px; }
  .hc-cell > span { font-size: 11.5px; }
  .clients { grid-template-columns: 1fr 1fr; }
}
.client .logo-box img.lg-goodrich { max-height: 24px; max-width: 60%; }
.hc-logo img.h-goodrich { max-width: 78%; }
.duo-logo { gap: 8px; }
.hc-logo.duo-logo img.h-cremica { max-width: 52%; max-height: 28px; }
.hc-logo.duo-logo img.h-eo { max-width: 40%; max-height: 44px; }
.client .logo-box.duo-logo { gap: 14px; }
.client .logo-box.duo-logo img { max-width: 46%; }
.client .logo-box img.lg-eo { max-height: 72px; }
@media (max-width: 680px) { .hc-logo.duo-logo img.h-cremica { max-height: 22px; } .hc-logo.duo-logo img.h-eo { max-height: 36px; } }

/* stronger brand name */
.nav { height: 72px; }
.logo { font-size: 21px; font-weight: 800; letter-spacing: -.025em; }
.logo sup { font-size: .5em; font-weight: 600; margin-left: 1px; }
.site-footer .logo { font-size: 24px; }
@media (max-width: 820px) { .nav-open .nav-links { top: 72px; } }
@media (max-width: 680px) { .nav { height: 64px; } .logo { font-size: 18px; } .nav-open .nav-links { top: 64px; } }
@media (max-width: 380px) { .logo { font-size: 16px; } }
@media (max-width: 680px) { .logo { font-size: 16.5px; } .nav { gap: 10px; } .nav-cta { gap: 6px; } .nav-cta .btn-sm { padding: 0 12px; } }
@media (max-width: 380px) { .logo { font-size: 15px; } }

/* brand colour in the Home headline */
:root { --brand: #0b7a75; }
.home-h1 .brand { display: block; color: var(--brand); }
.home-h1 + .lead { font-size: 1.25rem; margin-top: 16px; }

/* brand colour on every WWAP Engineers wordmark */
.logo, .site-footer .logo { color: var(--brand); }
.brand-inline { color: var(--brand); }

/* industry pages */
.crumb { font-size: 13.5px; color: var(--muted); margin: 0 0 18px; }
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--ink); text-decoration: underline; }
a.ind-link { text-decoration: none; color: inherit; transition: background .15s; border-radius: 0; }
a.ind-link:hover h3 { text-decoration: underline; text-underline-offset: 4px; }
.ind .more { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 500; color: var(--brand); }
.ind-clients { display: flex; flex-wrap: wrap; gap: 18px 40px; align-items: flex-start; }
.ind-client { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; min-width: 140px; }
.ind-client-logo { height: 52px; display: flex; align-items: center; gap: 8px; }
.ind-client-logo img { max-height: 44px; width: auto; mix-blend-mode: multiply; }
.ind-client-logo img.ind-goodrich { max-height: 20px; }
.ind-client span { font-size: 13px; font-weight: 500; color: var(--ink); }

/* Industries dropdown: two columns */
.submenu-ind { display: grid; grid-template-columns: 1fr 1fr; min-width: 440px; column-gap: 4px; }
.submenu-ind .sub-all { grid-column: 1 / -1; border-bottom: 1px solid var(--line); margin-bottom: 4px; padding-bottom: 4px; }
.submenu-ind a { padding: 9px 12px; }
.submenu a[aria-current] { background: var(--surface); }
@media (max-width: 820px) {
  .nav-open .submenu-ind { grid-template-columns: 1fr 1fr; min-width: 0; }
  .nav-open .submenu-ind a { padding: 9px 12px; font-size: 15px; }
}
@media (max-width: 820px) { .nav-open .nav-links { max-height: calc(100vh - 72px); max-height: calc(100dvh - 72px); overflow-y: auto; overscroll-behavior: contain; } }
@media (max-width: 680px) { .nav-open .nav-links { max-height: calc(100vh - 64px); max-height: calc(100dvh - 64px); } }

/* tighter vertical rhythm between sections */
.section { padding: 72px 0; }
.section-tight { padding: 44px 0; }
.section-head { margin-bottom: 32px; }
.hero + .section, .wrap > .stats + * { }
@media (max-width: 680px) { .section { padding: 52px 0; } .section-tight { padding: 36px 0; } .section-head { margin-bottom: 26px; } }
.section { padding: 56px 0; }
@media (max-width: 680px) { .section { padding: 44px 0; } }

/* Industries dropdown groups */
.submenu-ind .sub-label { grid-column: 1 / -1; padding: 10px 12px 4px; font-size: 12.5px; font-weight: 600; color: var(--muted, #6b6b6b); }
.submenu-ind .sub-label:not(:nth-child(2)) { border-top: 1px solid var(--line); margin-top: 4px; }
.icon-item[href]:hover b { color: var(--brand); }

/* Chemical-free band (home) */
.cf-band { background: var(--brand); color: #fff; border-radius: var(--r-lg); padding: 56px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px 56px; }
.cf-title { font-size: clamp(30px, 3.6vw, 44px); line-height: 1.08; letter-spacing: -0.02em; font-weight: 600; margin: 0 0 18px; }
.cf-title span { display: block; color: rgba(255,255,255,.68); }
.cf-head p { color: rgba(255,255,255,.86); font-size: 16px; line-height: 1.6; margin: 0 0 26px; max-width: 520px; }
.cf-points { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-self: center; border-top: 1px solid rgba(255,255,255,.22); }
.cf-points li { padding: 20px 20px 20px 0; border-bottom: 1px solid rgba(255,255,255,.22); }
.cf-points li:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.22); }
.cf-points li:nth-child(even) { padding-left: 22px; }
.cf-points b { display: block; font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.cf-points span { display: block; color: rgba(255,255,255,.78); font-size: 14.5px; line-height: 1.5; }
.cf-fine { grid-column: 1 / -1; margin: -16px 0 0; font-size: 13.5px; color: rgba(255,255,255,.7); }
.cf-band .btn-light { color: var(--brand); }
@media (max-width: 860px) {
  .cf-band { grid-template-columns: 1fr; padding: 34px 24px; gap: 28px; }
  .cf-fine { margin: 0; }
}
@media (max-width: 480px) {
  .cf-points { grid-template-columns: 1fr; }
  .cf-points li, .cf-points li:nth-child(even), .cf-points li:nth-child(odd) { padding: 16px 0; border-right: 0; }
}
/* Chemical-free strip (inner pages) */
.cf-strip-sec { padding-top: 0 !important; }
.cf-strip { display: flex; gap: 16px; align-items: center; background: #e9f4f3; border: 1px solid #cfe6e4; border-radius: var(--r-md); padding: 18px 22px; color: var(--text); text-decoration: none; font-size: 15.5px; line-height: 1.5; }
.cf-strip b { color: var(--brand); }
.cf-strip u { color: var(--brand); text-underline-offset: 3px; white-space: nowrap; }
.cf-ico { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--brand); display: grid; place-items: center; }
.cf-ico svg { width: 22px; height: 22px; stroke: #fff; }
.cf-strip:hover { border-color: var(--brand); }

/* Chemical-free: forest green */
:root { --cf: #1e4a35; --cf-tint: #ebf3ed; --cf-line: #cfe2d5; }
.cf-band { background: var(--cf); }
.cf-band .btn-light { color: var(--cf); }
.cf-title span { color: rgba(255,255,255,.66); }
.cf-strip { background: var(--cf-tint); border-color: var(--cf-line); }
.cf-strip b, .cf-strip u { color: var(--cf); }
.cf-strip:hover { border-color: var(--cf); }
.cf-ico { background: var(--cf); }
/* Sludge comparison */
.sludge-vs { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sv { border-radius: var(--r-lg); padding: 30px 32px; }
.sv h3 { margin: 0 0 16px; }
.sv ul { list-style: none; margin: 0; padding: 0; }
.sv li { position: relative; padding: 10px 0 10px 30px; border-top: 1px solid rgba(0,0,0,.08); font-size: 15.5px; line-height: 1.5; }
.sv li::before { position: absolute; left: 0; top: 10px; font-weight: 700; }
.sv-bad { background: var(--surface); color: var(--soft); }
.sv-bad h3 { color: var(--text); }
.sv-bad li::before { content: "✕"; color: #9a9a9a; }
.sv-good { background: var(--cf); color: #fff; }
.sv-good li { border-top-color: rgba(255,255,255,.2); }
.sv-good li::before { content: "✓"; color: #9fd4b4; }
@media (max-width: 760px) { .sludge-vs { grid-template-columns: 1fr; } .sv { padding: 24px 22px; } }

/* SEO/a11y helpers */
.foot-h { font-size: 14px; font-weight: 500; margin: 0 0 10px; color: var(--ink); }
.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; }
.hc-logo img { width: auto; }
/* Contact methods: 5 cards incl. Instagram */
.methods { grid-template-columns: 1fr 1fr 1.45fr 1fr 1fr; }
@media (max-width: 1000px) { .methods { grid-template-columns: repeat(2, 1fr); } .method-email { grid-column: 1 / -1; } }

/* <picture> wrapper behaves like the img it wraps */
picture { display: contents; }
/* Readable small grey text (WCAG AA 4.5:1) */
:root { --muted: #767676; }
.sv-good h3 { color: #fff; }

/* Client strip: 2 rows of 4 */
.hero-clients { margin-top: 36px; padding-top: 22px; }
.hc-row { grid-template-columns: repeat(4, 1fr); gap: 26px 20px; }
.hc-logo { height: 52px; }
.hc-cell.hc-more { grid-column: 1 / -1; align-self: auto; margin-top: -4px; }
.hc-cell > span { font-size: 13.5px; }
.hc-logo img.h-chhokra { max-height: 44px; }
.hc-logo img.h-raj { max-height: 46px; border-radius: 4px; }
@media (max-width: 680px) {
  .hero-clients { margin-top: 26px; }
  .hc-row { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; }
  .hc-logo { height: 42px; }
  .hc-cell > span { font-size: 12.5px; }
  .hc-logo img.h-chhokra { max-height: 36px; }
  .hc-logo img.h-raj { max-height: 38px; }
}

/* 12 clients: new logos */
.hc-logo img.h-ssl { max-height: 40px; }
.hc-logo img.h-patran { max-height: 40px; border-radius: 4px; }
.hc-logo img.h-recent { max-height: 48px; }
.hc-logo img.h-rimt { max-height: 40px; }
@media (max-width: 680px) {
  .hc-row { grid-template-columns: repeat(3, 1fr); gap: 18px 8px; }
  .hc-logo { height: 36px; }
  .hc-cell > span { font-size: 11.5px; }
  .hc-logo img { max-width: 94%; }
  .hc-logo img.h-ssl, .hc-logo img.h-rimt, .hc-logo img.h-patran { max-height: 30px; }
  .hc-logo img.h-recent { max-height: 36px; }
  .hc-logo.duo-logo img.h-cremica { max-height: 18px; } .hc-logo.duo-logo img.h-eo { max-height: 30px; }
  .hc-logo img.h-goodrich { max-height: 12px; }
  .hc-logo img.h-super, .hc-logo img.h-mario, .hc-logo img.h-paos { max-height: 32px; }
  .hc-logo img.h-chhokra { max-height: 30px; } .hc-logo img.h-raj { max-height: 32px; }
}

/* Client strip: 6 per row on laptops/desktops, 4 on tablets, 3 on phones */
@media (min-width: 1000px) { .hc-row { grid-template-columns: repeat(6, 1fr); gap: 26px 14px; } .hc-cell > span { font-size: 13px; } }

/* Phones: 4 clients per row */
@media (max-width: 680px) {
  .hc-row { grid-template-columns: repeat(4, 1fr); gap: 16px 6px; }
  .hc-cell > span { font-size: 10.5px; line-height: 1.25; }
  .hc-logo { height: 30px; }
  .hc-logo img, .hc-logo img.h-ssl, .hc-logo img.h-rimt, .hc-logo img.h-patran, .hc-logo img.h-recent,
  .hc-logo img.h-super, .hc-logo img.h-mario, .hc-logo img.h-paos, .hc-logo img.h-chhokra, .hc-logo img.h-raj { max-height: 26px; max-width: 96%; }
  .hc-logo img.h-goodrich { max-height: 10px; }
  .hc-logo.duo-logo img.h-cremica { max-height: 15px; } .hc-logo.duo-logo img.h-eo { max-height: 26px; }
}

/* Names beside phone numbers */
.method a.line .who { display: block; color: var(--ink); font-weight: 500; font-size: 13.5px; margin-top: 10px; }
.method a.line:first-of-type .who { margin-top: 0; }
.foot-who { display: block; font-size: 12.5px; color: var(--muted); margin: 1px 0 6px; }

/* 6 per row from 860px (covers smaller/zoomed laptop windows) */
@media (min-width: 860px) { .hc-row { grid-template-columns: repeat(6, 1fr); gap: 26px 12px; } .hc-cell > span { font-size: 13px; } }
@media (min-width: 860px) and (max-width: 1099px) { .hc-cell > span { font-size: 12px; } .hc-logo img { max-width: 92%; } }