:root {
  color-scheme: light;
  --ink: #20211f;
  --ink-soft: #42433f;
  --paper: #f1f2ef;
  --white: #fffefa;
  --line: #d5d9d5;
  --copper: #7c4f30;
  --copper-light: #c09169;
  --night: #191a18;
  --display: 'Helvetica Neue', 'Arial Nova', Arial, sans-serif;
  --sans: 'Avenir Next', 'Avenir Book', Avenir, Bahnschrift, 'Segoe UI', sans-serif;
  --page: min(1180px, calc(100% - 96px));
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
body, button, input, select { font-family: var(--sans); }
::selection { color: var(--white); background: var(--copper); }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: .22em; }
button, input, select { font-size: inherit; }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 4px; }
.skip-link { position: fixed; z-index: 20; top: 8px; left: 8px; padding: 12px 16px; color: var(--white); background: var(--night); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.section-wrap { width: var(--page); margin-inline: auto; }

.site-header { position: relative; z-index: 5; display: flex; min-height: 82px; align-items: center; justify-content: space-between; width: var(--page); margin: auto; }
.brand { display: inline-flex; gap: 12px; align-items: center; text-decoration: none; }
.brand-mark { display: grid; width: 39px; height: 39px; place-items: center; border: 1px solid var(--copper); color: var(--copper); font: 500 14px var(--sans); letter-spacing: -.04em; }
.brand-name { font-size: 13px; font-weight: 600; letter-spacing: -.02em; }
.brand-name small { display: block; margin-top: 3px; color: #66645f; font-size: 12px; font-weight: 400; letter-spacing: .06em; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a { color: #343532; font-size: 12px; text-decoration: none; transition: color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--copper); }
.site-nav .nav-cta { display: inline-flex; min-height: 40px; align-items: center; gap: 15px; padding: 0 16px; border: 1px solid #aaa69d; }
.menu-toggle { display: none; }
.arrow-icon { position: relative; display: inline-block; width: 9px; height: 9px; flex: 0 0 auto; border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor; transform: rotate(45deg); }
.arrow-down { transform: rotate(135deg); }

.hero { position: relative; display: flex; min-height: min(690px, 72vw); align-items: center; overflow: hidden; color: var(--white); background: var(--night); }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center 56%; }
.hero-shade { background: linear-gradient(90deg, rgb(16 17 16 / 88%) 0%, rgb(16 17 16 / 68%) 34%, rgb(16 17 16 / 12%) 75%), linear-gradient(0deg, rgb(15 16 14 / 42%), transparent 26%); }
.hero-content { position: relative; width: min(690px, var(--page)); margin-left: max(calc((100% - 1180px) / 2), 48px); padding: 90px 0 105px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); }
h1, h2 { font-weight: 500; }
.hero h1 { max-width: 670px; margin-bottom: 22px; font-size: clamp(52px, 7.2vw, 92px); letter-spacing: -.025em; line-height: 1.02; }
.hero-intro { max-width: 470px; margin-bottom: 30px; color: #eeece6; font-size: 16px; line-height: 1.7; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 25px; padding: 0 21px; border: 0; font-size: 12px; font-weight: 600; text-decoration: none; transition: background-color .2s ease, color .2s ease, transform .2s ease; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button-light { color: var(--ink); background: var(--white); }
.button-light:hover { background: #e7d8c8; }
.hero-caption { position: absolute; right: max(calc((100% - 1180px) / 2), 48px); bottom: 24px; left: max(calc((100% - 1180px) / 2), 48px); display: flex; justify-content: space-between; color: #d1cfc9; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }

.intro { display: grid; grid-template-columns: 1.1fr .75fr; gap: 13%; align-items: end; padding-block: 118px 122px; }
.intro h2, .leaks h2, .scope h2, .method h2, .measurement h2, .engagement h2, .about h2, .contact h2 { margin-bottom: 0; font-size: clamp(36px, 4.2vw, 57px); letter-spacing: -.02em; line-height: 1.08; }
.intro-copy { padding-bottom: 4px; }
.intro-copy > p { max-width: 470px; margin-bottom: 23px; color: var(--ink-soft); font-size: 15px; line-height: 1.8; }
.text-link { display: inline-flex; gap: 16px; align-items: center; border-bottom: 1px solid var(--copper); padding-bottom: 6px; color: var(--ink); font-size: 12px; font-weight: 600; text-decoration: none; }
.text-link span { color: var(--copper); }

.leaks { padding-block: 95px 106px; color: var(--white); background: var(--night); }
.leaks-layout { display: grid; grid-template-columns: .78fr 1fr; gap: 12%; }
.leaks-heading { padding-top: 12px; }
.leaks h2 { max-width: 440px; }
.leaks-heading > p:last-child { max-width: 350px; margin: 22px 0 0; color: #c1c1b9; font-size: 14px; line-height: 1.7; }
.leaks-list { border-top: 1px solid #4b4b46; }
.leak-row { display: grid; grid-template-columns: 36px 1fr 24px; gap: 17px; align-items: start; padding: 22px 0 21px; border-bottom: 1px solid #4b4b46; }
.leak-index { padding-top: 4px; color: var(--copper-light); font-size: 11px; letter-spacing: .08em; }
.leak-row h3 { margin: 0 0 5px; font-family: var(--display); font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.leak-row p { max-width: 460px; margin: 0; color: #c4c3bd; font-size: 12px; line-height: 1.65; }
.leak-arrow { margin-top: 5px; color: var(--copper-light); }

.scope { padding-block: 100px 112px; }
.scope-topline { display: flex; justify-content: flex-end; align-items: center; margin-bottom: 9px; }
.scope-note { margin: 0; color: #64635e; font-size: 12px; }
.scope h2 { max-width: 760px; margin-bottom: 46px; }
.scope-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.scope-grid article { min-height: 142px; padding: 22px 24px 20px 0; border-bottom: 1px solid var(--line); }
.scope-grid article:not(:nth-child(3n)) { border-right: 1px solid var(--line); }
.scope-grid article:nth-child(3n+2), .scope-grid article:nth-child(3n) { padding-left: 26px; }
.scope-grid h3 { margin-bottom: 7px; font-size: 16px; font-weight: 600; }
.scope-grid p { max-width: 260px; margin: 0; color: #575752; font-size: 12px; line-height: 1.65; }

.method { display: grid; grid-template-columns: .92fr 1.08fr; background: #e7e9e6; }
.method-image-wrap { position: relative; min-height: 690px; overflow: hidden; }
.method-image-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.image-note { position: absolute; right: 25px; bottom: 24px; left: 25px; color: white; font-size: 11px; text-shadow: 0 1px 8px #0009; }
.method-content { max-width: 680px; align-self: center; padding: 82px max(calc((100vw - 1180px) / 2), 56px) 82px 9%; }
.method-content h2 { max-width: 540px; }
.method-lede { max-width: 570px; margin: 20px 0 30px; color: var(--ink-soft); font-size: 13px; line-height: 1.8; }
.timeline { border-top: 1px solid #c9c5bc; }
.timeline article { display: grid; grid-template-columns: 112px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid #c9c5bc; }
.timeline-day { padding-top: 2px; color: var(--copper); font-size: 11px; font-weight: 600; letter-spacing: .04em; }
.timeline h3 { margin-bottom: 4px; font-size: 14px; font-weight: 600; }
.timeline p { margin: 0; color: #555650; font-size: 12px; line-height: 1.6; }
.method-note { margin: 18px 0 0; color: var(--ink); font-size: 12px; font-weight: 600; }
.method-outputs { margin-top: 30px; padding-top: 17px; border-top: 1px solid #c9c5bc; }
.method-outputs h3 { margin-bottom: 8px; font-size: 13px; font-weight: 600; }
.method-outputs ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; margin: 0; padding: 0; list-style: none; }
.method-outputs li { padding: 7px 0; border-bottom: 1px solid #d2cfc7; color: #555650; font-size: 12px; line-height: 1.4; }

.measurement { padding-block: 116px 109px; }
.measurement-head { display: grid; grid-template-columns: .8fr 1.2fr; column-gap: 8%; align-items: end; }
.measurement-head h2 { max-width: 550px; }
.measurement-head > p:last-child { max-width: 370px; margin: 0 0 4px; color: var(--ink-soft); font-size: 13px; line-height: 1.75; }
.measure-columns { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 48px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.measure-columns > div { min-height: 140px; padding: 22px 20px 20px 0; }
.measure-columns > div + div { padding-left: 20px; border-left: 1px solid var(--line); }
.measure-columns h3 { margin-bottom: 12px; font-size: 13px; font-weight: 600; }
.measure-columns p { margin: 0; color: #575752; font-size: 12px; line-height: 1.7; }
.impact-note { display: grid; grid-template-columns: 52px 1fr; gap: 18px; align-items: start; max-width: 820px; margin: 34px 0 0 auto; }
.impact-mark { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid var(--copper); color: var(--copper); font: 25px var(--sans); }
.impact-note p { margin: 1px 0 0; color: #555650; font-size: 12px; line-height: 1.75; }
.impact-note strong { color: var(--ink); }

.engagement { padding-block: 95px 88px; color: var(--white); background: #222320; }
.engagement-heading { display: grid; grid-template-columns: 1fr .52fr; gap: 9%; align-items: end; }
.engagement-heading h2 { max-width: 570px; }
.engagement-heading > p { max-width: 330px; margin: 0 0 5px; color: #c9c7c0; font-size: 12px; line-height: 1.8; }
.engagement-options { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 55px; border-top: 1px solid #555650; }
.engagement-option { padding-top: 22px; }
.option-label { color: #d1a47b; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.engagement-option h3 { max-width: 390px; margin: 24px 0 14px; font: 500 clamp(25px, 3vw, 36px)/1.15 var(--display); letter-spacing: -.015em; }
.engagement-option > p { max-width: 410px; min-height: 62px; margin-bottom: 24px; color: #c9c7c0; font-size: 12px; line-height: 1.75; }
.engagement-option .text-link { border-color: var(--copper-light); color: var(--white); }
.service-forms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 52px; padding-top: 20px; border-top: 1px solid #555650; }
.service-forms h3 { margin-bottom: 8px; color: #e5e2dc; font-size: 13px; font-weight: 600; }
.service-forms p { margin: 0; color: #c9c7c0; font-size: 12px; line-height: 1.65; }

.about { display: grid; grid-template-columns: .65fr 1fr; gap: 12%; align-items: center; padding-block: 112px 120px; }
.about-label { display: flex; gap: 18px; align-items: center; }
.about-monogram { display: grid; width: 74px; height: 74px; place-items: center; border: 1px solid var(--copper); color: var(--copper); font: 500 24px var(--sans); letter-spacing: -.04em; }
.about-label p { margin: 0; font-size: 11px; line-height: 1.65; }
.about-copy { max-width: 680px; }
.about-copy > p:last-child { max-width: 580px; margin: 20px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.8; }

.contact { padding-block: 88px 90px; color: var(--white); background: var(--night); }
.contact-layout { display: grid; grid-template-columns: 1fr .78fr; gap: 15%; align-items: start; }
.contact h2 { max-width: 530px; }
.contact-copy > p { max-width: 420px; margin: 20px 0 0; color: #cbc9c3; font-size: 13px; line-height: 1.8; }
.contact-copy > p + p { margin-top: 12px; }
.direct-whatsapp { display: inline-flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 18px; color: var(--white); font-size: 12px; font-weight: 600; text-decoration-color: var(--copper-light); text-underline-offset: 5px; }
.direct-whatsapp span { color: #d1a47b; font-weight: 400; }
.contact-prompt { display: flex; gap: 13px; align-items: center; margin-top: 44px; color: #e0ded8; font-size: 11px; }
.prompt-line { width: 36px; height: 1px; background: var(--copper-light); }
.contact-form { display: grid; gap: 9px; }
.contact-form label { margin-top: 5px; color: #e2e0da; font-size: 12px; }
.contact-form input, .contact-form select { width: 100%; min-height: 45px; padding: 0 12px; border: 1px solid #62615b; border-radius: 0; color: var(--white); background: #242522; font-size: 12px; }
.contact-form input::placeholder { color: #b5b3ad; opacity: 1; }
.contact-form select:invalid { color: #b5b3ad; }
.contact-form option { color: var(--white); background: var(--night); }
.contact-form .button { margin-top: 12px; }
.button-copper { width: 100%; color: var(--night); background: #d0a17a; }
.button-copper:hover { background: #e2b995; }
.form-note { margin: 3px 0 0; color: #bcbab4; font-size: 12px; line-height: 1.6; }
.form-note[data-state="error"] { color: #ffd0bc; }
.site-footer { display: flex; min-height: 75px; align-items: center; justify-content: space-between; width: var(--page); margin: auto; color: #5c5b56; font-size: 11px; }
.footer-brand { color: var(--ink); font: 500 16px var(--sans); letter-spacing: -.02em; text-decoration: none; }
.site-footer > span { margin-left: -20%; }
.back-top { text-decoration: none; }

@media (min-width: 1500px) { .hero { min-height: 720px; } }
@media (max-width: 1000px) {
  :root { --page: min(100% - 64px, 820px); }
  .site-nav { gap: 20px; }
  .hero-content { margin-left: 32px; }
  .hero-caption { right: 32px; left: 32px; }
  .intro { gap: 8%; }
  .leaks-layout { gap: 7%; }
  .method { grid-template-columns: .78fr 1.22fr; }
  .method-content { padding: 68px 34px 68px 8%; }
  .method-image-wrap { min-height: 650px; }
  .contact-layout { gap: 8%; }
}
@media (max-width: 700px) {
  :root { --page: calc(100% - 40px); scroll-padding-top: 72px; }
  .site-header { min-height: 72px; }
  .brand-mark { width: 35px; height: 35px; }
  .brand-name { font-size: 12px; }
  .menu-toggle { display: grid; width: 42px; height: 42px; align-content: center; justify-items: center; gap: 6px; border: 1px solid var(--line); background: transparent; }
  .menu-toggle span { width: 17px; height: 1px; background: var(--ink); transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: absolute; top: calc(100% - 1px); right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 7px 20px 20px; border: 1px solid var(--line); border-top: 0; background: var(--paper); }
  .site-nav.is-open { display: flex; flex-direction: column; }
  .site-nav a { padding: 14px 2px; border-bottom: 1px solid var(--line); font-size: 13px; }
  .site-nav .nav-cta { justify-content: space-between; margin-top: 12px; padding: 12px; border: 1px solid #aaa69d; }
  .hero { min-height: 670px; min-height: min(720px, calc(100svh - 72px)); align-items: end; }
  .hero-image { object-position: 61% center; }
  .hero-shade { background: linear-gradient(0deg, rgb(16 17 16 / 88%), rgb(16 17 16 / 48%) 58%, rgb(16 17 16 / 5%) 100%); }
  .hero-content { width: var(--page); margin: 0 auto; padding: 120px 0 92px; }
  .hero h1 { max-width: 540px; font-size: clamp(46px, 12.5vw, 68px); }
  .hero-intro { max-width: 390px; font-size: 14px; }
  .hero-caption { right: 20px; bottom: 15px; left: 20px; font-size: 11px; }
  .intro { grid-template-columns: 1fr; gap: 22px; padding-block: 78px 82px; }
  .intro h2, .leaks h2, .scope h2, .method h2, .measurement h2, .engagement h2, .about h2, .contact h2 { font-size: clamp(36px, 9vw, 49px); }
  .intro-copy > p { font-size: 14px; }
  .leaks { padding-block: 70px 76px; }
  .leaks-layout { grid-template-columns: 1fr; gap: 30px; }
  .leaks-heading > p:last-child { margin-top: 15px; }
  .leak-row { grid-template-columns: 26px 1fr 18px; gap: 11px; padding: 18px 0; }
  .leak-row h3 { font-size: 16px; }
  .leak-row p { font-size: 12px; }
  .scope { padding-block: 74px 82px; }
  .scope-topline { align-items: start; gap: 14px; }
  .scope-note { max-width: 145px; text-align: right; font-size: 11px; }
  .scope h2 { margin-bottom: 30px; }
  .scope-grid { grid-template-columns: repeat(2, 1fr); }
  .scope-grid article { min-height: 135px; padding: 18px 12px 18px 0; }
  .scope-grid article:not(:nth-child(3n)) { border-right: 0; }
  .scope-grid article:nth-child(3n+2), .scope-grid article:nth-child(3n) { padding-left: 0; }
  .scope-grid article:nth-child(odd) { border-right: 1px solid var(--line); }
  .scope-grid article:nth-child(even) { padding-left: 15px; }
  .scope-grid h3 { font-size: 14px; }
  .scope-grid p { font-size: 12px; }
  .method { grid-template-columns: 1fr; }
  .method-image-wrap { min-height: auto; aspect-ratio: 4 / 3; }
  .method-content { width: var(--page); margin: auto; padding: 65px 0 72px; }
  .method-lede { font-size: 12px; }
  .timeline article { grid-template-columns: 92px 1fr; gap: 12px; }
  .measurement { padding-block: 78px 78px; }
  .measurement-head { grid-template-columns: 1fr; gap: 15px; }
  .measurement-head > p:last-child { max-width: 420px; font-size: 12px; }
  .measure-columns { grid-template-columns: 1fr 1fr; margin-top: 32px; }
  .measure-columns > div { min-height: 128px; padding: 17px 12px 17px 0; }
  .measure-columns > div + div { padding-left: 12px; }
  .measure-columns > div:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .measure-columns > div:nth-child(4) { border-top: 1px solid var(--line); }
  .measure-columns h3 { font-size: 12px; }
  .measure-columns p { font-size: 12px; }
  .impact-note { grid-template-columns: 38px 1fr; gap: 12px; margin-top: 25px; }
  .impact-mark { width: 34px; height: 34px; font-size: 21px; }
  .impact-note p { font-size: 12px; }
  .engagement { padding-block: 72px 68px; }
  .engagement-heading { grid-template-columns: 1fr; gap: 16px; }
  .engagement-heading > p { max-width: 430px; font-size: 12px; }
  .engagement-options { grid-template-columns: 1fr; gap: 32px; margin-top: 35px; }
  .engagement-option h3 { margin-top: 17px; }
  .engagement-option > p { min-height: 0; margin-bottom: 17px; }
  .service-forms { grid-template-columns: 1fr; gap: 17px; margin-top: 38px; }
  .service-forms article + article { padding-top: 16px; border-top: 1px solid #555650; }
  .about { grid-template-columns: 1fr; gap: 30px; padding-block: 76px 82px; }
  .about-monogram { width: 58px; height: 58px; font-size: 20px; }
  .about-copy > p:last-child { font-size: 12px; }
  .contact { padding-block: 70px 72px; }
  .contact-layout { grid-template-columns: 1fr; gap: 34px; }
  .contact-copy > p { font-size: 12px; }
  .contact-prompt { margin-top: 25px; }
  .contact-form { gap: 8px; }
  .contact-form .button { margin-top: 10px; }
  .site-footer { display: grid; grid-template-columns: 1fr auto; min-height: 78px; gap: 0 12px; font-size: 11px; }
  .footer-brand { font-size: 13px; }
  .site-footer > span { grid-column: 1; grid-row: 2; margin: 0; text-align: left; }
  .back-top { grid-column: 2; grid-row: 1 / span 2; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}