:root {
  --ink: #0b1f1a;
  --ink-soft: #334b43;
  --green: #008c4a;
  --green-dark: #006b39;
  --green-pale: #eaf7f0;
  --orange: #f47a09;
  --orange-dark: #d55f00;
  --sand: #f6f2eb;
  --white: #ffffff;
  --line: rgba(11, 31, 26, 0.12);
  --shadow: 0 24px 70px rgba(11, 31, 26, 0.12);
  --radius: 24px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; color: var(--ink-soft); }
h1, h2, h3, h4 { margin: 0; line-height: 1.12; letter-spacing: -0.035em; }
h1 { font-size: clamp(3.1rem, 7vw, 6.7rem); }
h2 { font-size: clamp(2.2rem, 4.4vw, 4.4rem); }
h3 { font-size: 1.3rem; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; }
.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.screen-reader-text:focus {
  clip: auto !important; width: auto; height: auto; top: 8px; left: 8px;
  z-index: 9999; padding: 12px 16px; background: #fff; color: #000;
}

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .25s ease, box-shadow .25s ease, padding .25s ease;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(11,31,26,.06);
}
.site-header.is-scrolled { box-shadow: 0 12px 40px rgba(11,31,26,.08); }
.header-inner { min-height: 88px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 13px; min-width: max-content; }
.brand-mark { width: 58px; height: 58px; border-radius: 16px; overflow: hidden; background: #fff; box-shadow: 0 7px 20px rgba(11,31,26,.10); }
.brand-mark img, .brand-mark .custom-logo-link, .brand-mark .custom-logo { width: 100%; height: 100%; object-fit: cover; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 1rem; letter-spacing: -.02em; }
.brand-copy small { margin-top: 6px; color: #60736d; font-size: .71rem; letter-spacing: .04em; text-transform: uppercase; }
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: 26px; list-style: none; padding: 0; margin: 0; }
.primary-nav a { font-size: .9rem; font-weight: 700; color: #294039; transition: color .2s ease; }
.primary-nav a:hover { color: var(--green); }
.header-cta { padding: 13px 18px; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 800; font-size: .84rem; }
.menu-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px; }
.menu-toggle span:not(.screen-reader-text) { display: block; height: 2px; margin: 5px 0; background: var(--ink); }

.hero {
  position: relative; min-height: 860px; overflow: hidden; padding: 190px 0 110px;
  background: radial-gradient(circle at 88% 16%, rgba(244,122,9,.18), transparent 26%), linear-gradient(135deg, #f7fbf8 0%, #fff 58%, #fbf5ed 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .24;
  background-image: linear-gradient(rgba(0,140,74,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(0,140,74,.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.18fr .82fr; align-items: center; gap: 76px; }
.hero-copy h1 { max-width: 900px; }
.hero-copy > p { max-width: 720px; margin: 30px 0 34px; font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 24px; font-size: .78rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; color: var(--green); }
.eyebrow span { width: 34px; height: 2px; background: currentColor; }
.eyebrow.light { color: #bff2d6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 54px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px; font-weight: 850; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--orange), var(--orange-dark)); color: #fff; box-shadow: 0 16px 34px rgba(244,122,9,.24); }
.button-secondary { background: rgba(255,255,255,.78); border-color: var(--line); color: var(--ink); }
.button-light { background: #fff; color: var(--ink); }
.hero-credentials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 54px; padding-top: 28px; border-top: 1px solid var(--line); }
.hero-credentials div { display: grid; gap: 4px; }
.hero-credentials strong { font-size: .94rem; }
.hero-credentials span { color: #70827c; font-size: .78rem; }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-logo-card {
  position: relative; z-index: 2; width: min(100%, 410px); padding: 32px; border: 1px solid rgba(255,255,255,.78); border-radius: 40px;
  background: rgba(255,255,255,.74); box-shadow: var(--shadow); backdrop-filter: blur(16px); transform: rotate(2deg);
}
.hero-logo-card img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 26px; }
.hero-logo-copy { padding: 24px 8px 5px; display: grid; }
.hero-logo-copy span { color: var(--orange); font-weight: 950; letter-spacing: .16em; }
.hero-logo-copy strong { margin-top: 4px; font-size: 1.35rem; }
.hero-logo-copy small { margin-top: 7px; color: #70827c; }
.floating-tag { position: absolute; z-index: 3; padding: 12px 16px; border-radius: 999px; background: var(--ink); color: #fff; font-size: .78rem; font-weight: 850; box-shadow: 0 12px 34px rgba(11,31,26,.16); }
.tag-one { top: 56px; right: -10px; }
.tag-two { left: -18px; bottom: 116px; background: var(--green); }
.tag-three { right: 0; bottom: 28px; background: var(--orange); }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .7; }
.hero-orb-one { width: 320px; height: 320px; right: -120px; top: 160px; border: 42px solid rgba(0,140,74,.09); }
.hero-orb-two { width: 160px; height: 160px; left: 42%; bottom: -50px; background: rgba(244,122,9,.08); }

.trust-strip { position: relative; z-index: 5; margin-top: -42px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; border-radius: 24px; background: var(--ink); box-shadow: 0 24px 70px rgba(11,31,26,.20); }
.trust-grid div { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; padding: 30px; border-right: 1px solid rgba(255,255,255,.10); }
.trust-grid div:last-child { border-right: 0; }
.trust-grid span { color: var(--orange); font-size: .78rem; font-weight: 900; }
.trust-grid p { margin: 0; color: #dce8e3; font-size: .92rem; }

.two-column { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; }
.section-heading h2 { max-width: 760px; }
.section-heading.centered { max-width: 860px; margin: 0 auto 58px; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading.centered p { max-width: 650px; margin: 22px auto 0; }
.lead { font-size: 1.32rem; color: var(--ink); }
.about-copy > p { max-width: 750px; }
.about-highlights { display: grid; gap: 0; margin-top: 36px; border-top: 1px solid var(--line); }
.about-highlights article { display: grid; grid-template-columns: .72fr 1.28fr; gap: 26px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.about-highlights strong { font-size: .95rem; }
.about-highlights span { color: var(--ink-soft); }

.solutions { background: var(--sand); }
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.solution-card { min-height: 300px; padding: 26px; border-radius: 22px; background: #fff; border: 1px solid rgba(11,31,26,.07); display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease; }
.solution-card:hover { transform: translateY(-7px); box-shadow: 0 20px 44px rgba(11,31,26,.10); }
.card-number { color: var(--orange); font-size: .78rem; font-weight: 900; letter-spacing: .14em; }
.solution-card h3 { margin-top: 44px; }
.solution-card p { margin-top: 16px; font-size: .91rem; }
.solution-card a { margin-top: auto; color: var(--green); font-size: .84rem; font-weight: 850; }

.acidizing-banner { padding: 110px 0; color: #fff; background: linear-gradient(135deg, #061a14 0%, #083c28 64%, #086a3b 100%); position: relative; overflow: hidden; }
.acidizing-banner::after { content: ""; position: absolute; width: 500px; height: 500px; right: -120px; top: -210px; border-radius: 50%; border: 70px solid rgba(244,122,9,.10); }
.acidizing-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr .8fr; gap: 80px; align-items: center; }
.acidizing-copy h2 { max-width: 760px; }
.acidizing-copy p { color: #c9ddd4; max-width: 650px; margin: 24px 0 30px; }
.acidizing-panel { display: grid; gap: 12px; }
.acidizing-panel div { display: grid; grid-template-columns: 46px 1fr; align-items: center; padding: 20px 22px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; backdrop-filter: blur(12px); }
.acidizing-panel span { color: #ffad5f; font-weight: 900; }

.lab-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.lab-intro { position: sticky; top: 130px; }
.lab-intro p { margin-top: 24px; }
.lab-note { margin-top: 34px; padding: 22px; border-left: 4px solid var(--orange); background: var(--sand); display: grid; gap: 7px; }
.lab-note span { color: var(--ink-soft); }
.capability-list { border-top: 1px solid var(--line); }
.capability-list article { display: grid; grid-template-columns: 60px 1fr; gap: 18px; align-items: center; padding: 25px 0; border-bottom: 1px solid var(--line); }
.capability-list span { color: var(--green); font-size: .78rem; font-weight: 900; }
.capability-list h3 { font-size: 1.08rem; line-height: 1.45; letter-spacing: -.015em; }

.process-section { background: #f8fbf9; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-grid article { padding: 28px; border-radius: 20px; background: #fff; border: 1px solid var(--line); }
.process-grid span { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--green-pale); color: var(--green); font-weight: 900; }
.process-grid h3 { margin-top: 44px; }
.process-grid p { margin-top: 14px; font-size: .91rem; }

.details-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: center; }
.details-copy p { margin-top: 24px; max-width: 560px; }
.legal-card { margin: 0; padding: 12px 30px; border-radius: 26px; background: var(--ink); color: #fff; box-shadow: var(--shadow); }
.legal-card div { display: grid; grid-template-columns: 1fr 1.1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.10); }
.legal-card div:last-child { border-bottom: 0; }
.legal-card dt { color: #9bb6aa; }
.legal-card dd { margin: 0; font-weight: 800; }

.contact { background: linear-gradient(135deg, #083c28, #061a14); color: #fff; }
.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: start; }
.contact-copy p { color: #bfd4ca; margin-top: 24px; max-width: 570px; }
.contact-list { display: grid; gap: 22px; margin-top: 44px; }
.contact-list div { padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); }
.contact-list span { display: block; color: #8eb2a1; font-size: .74rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.contact-list a, .contact-list p { color: #fff; margin: 7px 0 0; }
.contact-form-card { padding: 34px; border-radius: 28px; background: #fff; color: var(--ink); box-shadow: 0 30px 80px rgba(0,0,0,.22); }
.contact-form-card form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form-card label { display: grid; gap: 8px; color: var(--ink); font-size: .84rem; font-weight: 800; }
.contact-form-card label:nth-of-type(4) { grid-column: 1 / -1; }
.contact-form-card input, .contact-form-card textarea { width: 100%; border: 1px solid #d8e0dc; border-radius: 12px; padding: 13px 14px; background: #fbfdfc; color: var(--ink); outline: none; }
.contact-form-card input:focus, .contact-form-card textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,140,74,.09); }
.contact-form-card button { justify-self: start; border: 0; }
.contact-form-card small { align-self: center; color: #73837d; }
.form-notice { margin-bottom: 18px; padding: 12px 14px; border-radius: 10px; }
.form-notice.success { background: #e8f8ef; color: #12693f; }
.form-notice.error { background: #fff0ea; color: #a23c16; }
.honeypot { position: absolute; left: -9999px; }

.site-footer { padding: 70px 0 28px; background: #07130f; color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr 1fr; gap: 50px; }
.footer-brand { display: grid; grid-template-columns: 72px 1fr; gap: 18px; align-items: start; }
.footer-brand img { width: 72px; height: 72px; object-fit: cover; border-radius: 18px; }
.site-footer h3 { margin-bottom: 16px; font-size: .92rem; letter-spacing: .06em; text-transform: uppercase; }
.site-footer p, .site-footer a { color: #a8bbb2; font-size: .88rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 54px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.10); }
.footer-bottom p { margin: 0; font-size: .78rem; }

.content-area { padding-top: 160px; min-height: 70vh; }
.content-shell { max-width: 900px; }
.content-shell.narrow { max-width: 820px; }
.entry-header { margin-bottom: 40px; }
.entry-content { font-size: 1.04rem; }
.entry-content > * + * { margin-top: 1.3em; }
.entry-content a { color: var(--green); text-decoration: underline; }
.post-list { display: grid; gap: 22px; }
.post-card { padding: 28px; border: 1px solid var(--line); border-radius: 18px; }
.post-meta { font-size: .78rem; color: var(--green); font-weight: 800; }
.featured-image { margin-bottom: 36px; overflow: hidden; border-radius: 22px; }
.error-page { text-align: center; }
.error-page .eyebrow { justify-content: center; }
.error-page p { margin: 20px auto 28px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .primary-nav, .header-cta { display: none; }
  .menu-toggle { display: block; }
  .primary-nav.is-open { display: block; position: fixed; inset: 88px 0 auto 0; padding: 28px 20px 36px; background: #fff; box-shadow: 0 20px 50px rgba(11,31,26,.15); }
  .primary-nav.is-open ul { width: min(100%, 1180px); margin: auto; flex-direction: column; align-items: flex-start; gap: 18px; }
  .primary-nav.is-open a { font-size: 1.1rem; }
  .hero-grid, .two-column, .acidizing-grid, .lab-grid, .details-grid, .contact-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero { padding-top: 150px; }
  .hero-visual { min-height: 500px; }
  .solution-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .lab-intro { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 82px 0; }
  .header-inner { min-height: 78px; }
  .brand-mark { width: 50px; height: 50px; border-radius: 14px; }
  .brand-copy strong { font-size: .9rem; }
  .brand-copy small { font-size: .6rem; }
  .primary-nav.is-open { inset: 78px 0 auto 0; }
  .hero { min-height: auto; padding: 130px 0 90px; }
  .hero-grid { gap: 44px; }
  .hero-copy h1 { font-size: clamp(2.65rem, 14vw, 4.5rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-credentials { grid-template-columns: 1fr; gap: 14px; }
  .hero-credentials div { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
  .hero-visual { min-height: 420px; }
  .hero-logo-card { width: 82%; padding: 22px; border-radius: 28px; }
  .floating-tag { font-size: .66rem; padding: 10px 12px; }
  .tag-one { top: 28px; right: 0; }
  .tag-two { left: 0; bottom: 92px; }
  .tag-three { right: 8px; bottom: 20px; }
  .trust-strip { margin-top: 0; background: var(--ink); }
  .trust-grid { width: 100%; border-radius: 0; grid-template-columns: 1fr; }
  .trust-grid div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.10); }
  .solution-grid, .process-grid { grid-template-columns: 1fr; }
  .solution-card { min-height: 250px; }
  .about-highlights article { grid-template-columns: 1fr; gap: 8px; }
  .legal-card { padding: 8px 20px; }
  .legal-card div { grid-template-columns: 1fr; gap: 5px; }
  .contact-form-card { padding: 24px; }
  .contact-form-card form { grid-template-columns: 1fr; }
  .contact-form-card label:nth-of-type(4) { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}