:root {
  --ink: #101711;
  --ink-soft: #182119;
  --soil: #2a2119;
  --cream: #f1eee4;
  --paper: #e8e4d8;
  --acid: #c7ef43;
  --acid-deep: #a8d920;
  --rust: #b85f3b;
  --line: rgba(241, 238, 228, .2);
  --container: 1320px;
  --display: Montserrat, Arial, Helvetica, sans-serif;
  --body: Roboto, Inter, Arial, Helvetica, sans-serif;
}

/* Mobile conversion order: assessment first, direct call second. */
html { overflow-x: hidden; }
.hero-actions .mobile-call { display: none; }
@media (max-width: 560px) {
  .hero-actions .mobile-call { display: inline-flex; }
  .hero-actions > a:not(.button):not(.mobile-call) { display: none; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--cream); background: var(--ink); font-family: var(--body); overflow-x: hidden; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; left: 18px; top: -80px; z-index: 100; background: var(--acid); color: var(--ink); padding: 12px 18px; border-radius: 999px; font-weight: 800; }
.skip-link:focus { top: 16px; }

.demo-ribbon { min-height: 34px; display: grid; align-items: center; background: var(--acid); color: var(--ink); text-transform: uppercase; letter-spacing: .12em; font-size: 10px; font-weight: 800; }
.ribbon-inner { display: flex; justify-content: space-between; gap: 20px; }
.ribbon-inner a { border-bottom: 1px solid rgba(16, 23, 17, .38); }

.site-header { position: absolute; z-index: 20; top: 34px; left: 0; right: 0; }
.nav-shell { min-height: 92px; display: grid; grid-template-columns: 260px 1fr auto auto; gap: 30px; align-items: center; border-bottom: 1px solid var(--line); }
.brand { color: var(--cream); display: block; }
.brand img, .brand svg { width: 248px; display: block; }
.primary-nav { justify-self: end; display: flex; gap: 30px; font-size: 13px; font-weight: 700; }
.primary-nav a { padding: 14px 0; position: relative; }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 7px; height: 2px; background: var(--acid); transition: right .25s ease; }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { right: 0; }
.nav-call { display: grid; gap: 2px; border-left: 1px solid var(--line); padding-left: 24px; }
.nav-call-label { color: rgba(241,238,228,.55); font-size: 9px; text-transform: uppercase; letter-spacing: .16em; }
.nav-call strong { font-size: 13px; }

.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 0 21px 0 24px; border-radius: 18px 4px 18px 4px; border: 1px solid transparent; font-weight: 850; transition: transform .25s ease, background .25s ease, border-color .25s ease; }
.button span { font-size: 17px; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .text-link:focus-visible, .primary-nav a:focus-visible, input:focus-visible { outline: 3px solid var(--cream); outline-offset: 4px; }
.button-acid { color: var(--ink); background: var(--acid); border-color: rgba(16,23,17,.22); box-shadow: 0 10px 35px rgba(199,239,67,.13); }
.button-acid:hover { background: #d9ff5e; border-color: var(--ink); }
.nav-cta { min-height: 50px; }

.hero { min-height: 1000px; position: relative; overflow: hidden; background: #111812; isolation: isolate; }
.hero::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(14,19,15,.98) 0%, rgba(14,19,15,.88) 31%, rgba(14,19,15,.15) 64%, rgba(14,19,15,.45) 100%), linear-gradient(0deg, #111812 0%, transparent 42%); }
.hero-media { position: absolute; z-index: -3; inset: 0; background-image: url("assets/images/understory-house-cutaway.png"); background-size: cover; background-position: center; filter: saturate(.82) contrast(1.05); transform: scale(1.015); }
#foundation-canvas { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; opacity: .78; pointer-events: none; }
.soil-grid { position: absolute; z-index: -1; left: 0; right: 0; bottom: 0; height: 42%; opacity: .22; background-image: linear-gradient(rgba(199,239,67,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(199,239,67,.18) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, transparent, #000 45%); transform: perspective(520px) rotateX(55deg) scale(1.45); transform-origin: center bottom; }
.hero-grid { padding-top: 174px; min-height: 920px; display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(390px, .64fr); gap: clamp(54px, 8vw, 130px); align-items: start; }
.hero-copy { padding-top: 80px; max-width: 780px; }
.eyebrow, .section-index { display: flex; align-items: center; gap: 16px; margin: 0 0 28px; font-size: 11px; font-weight: 850; text-transform: uppercase; letter-spacing: .15em; }
.eyebrow::before, .section-index::before { content: ""; width: 42px; height: 2px; background: var(--acid); }
.eyebrow span { color: var(--acid); }
h1, h2, h3 { font-family: var(--display); text-transform: uppercase; margin: 0; }
h1 { font-size: clamp(58px, 5.4vw, 86px); line-height: .94; letter-spacing: -.045em; max-width: 800px; font-weight: 900; }
.hero-line { display: block; overflow: hidden; padding-bottom: .08em; }
h1 em { color: var(--acid); font-style: normal; }
.hero-lede { max-width: 600px; margin: 32px 0 0; font-size: 18px; line-height: 1.6; color: rgba(241,238,228,.76); }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 30px; }
.text-link { font-weight: 800; padding: 14px 0; border-bottom: 1px solid rgba(241,238,228,.38); }
.text-link span { color: var(--acid); margin-left: 12px; }
.service-index { margin-top: 62px; display: flex; gap: 38px; border-top: 1px solid var(--line); padding-top: 18px; width: min(100%, 610px); text-transform: uppercase; letter-spacing: .12em; font-size: 10px; }
.service-index span { display: flex; gap: 10px; }
.service-index b { color: var(--acid); }

.assessment-card { position: relative; margin-top: 18px; padding: 28px; background: rgba(241,238,228,.96); color: var(--ink); border: 1px solid rgba(241,238,228,.62); border-radius: 5px 32px 5px 32px; box-shadow: 0 35px 90px rgba(0,0,0,.42); backdrop-filter: blur(12px); overflow: hidden; }
.assessment-card::before { content: ""; position: absolute; width: 170px; height: 170px; border: 1px solid rgba(16,23,17,.12); border-radius: 50%; right: -70px; top: -70px; }
.card-topline { display: flex; justify-content: space-between; gap: 20px; font-size: 9px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.status-dot { color: #4f621d; display: flex; gap: 7px; align-items: center; }
.status-dot::before { content: ""; width: 7px; height: 7px; background: var(--acid-deep); border-radius: 50%; box-shadow: 0 0 0 5px rgba(168,217,32,.14); }
.assessment-card h2 { margin-top: 30px; max-width: 410px; font-size: 34px; line-height: 1.03; letter-spacing: -.035em; font-weight: 900; }
.assessment-card > p { margin: 15px 0 24px; color: rgba(16,23,17,.65); line-height: 1.5; }
.assessment-card form { display: grid; gap: 15px; }
.assessment-card label > span, .assessment-card legend { display: block; margin-bottom: 7px; font-size: 9px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.assessment-card input[type="text"], .assessment-card input[type="tel"], .assessment-card input[inputmode="numeric"] { width: 100%; height: 50px; border: 1px solid rgba(16,23,17,.19); background: rgba(255,255,255,.5); border-radius: 11px 3px 11px 3px; padding: 0 14px; color: var(--ink); }
.field-row { display: grid; grid-template-columns: 1fr .72fr; gap: 12px; }
fieldset { border: 0; padding: 0; margin: 1px 0 0; }
.symptom-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.symptom-choices label { cursor: pointer; }
.symptom-choices input { position: absolute; opacity: 0; }
.symptom-choices label > span { margin: 0; min-height: 40px; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(16,23,17,.18); border-radius: 10px 3px 10px 3px; background: transparent; transition: .2s ease; }
.symptom-choices input:checked + span { background: var(--ink); color: var(--acid); border-color: var(--ink); }
.symptom-choices input:focus-visible + span { outline: 3px solid var(--rust); outline-offset: 2px; }
.form-submit { width: 100%; margin-top: 3px; border: 0; cursor: pointer; }
.form-note, .form-status { margin: 0; text-align: center; font-size: 10px; color: rgba(16,23,17,.58); }
.form-status { min-height: 14px; color: #405018; font-weight: 700; }
.scan-readout { margin: 22px -28px -28px; height: 42px; padding: 0 28px; display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; background: var(--ink); color: rgba(241,238,228,.6); font-size: 8px; text-transform: uppercase; letter-spacing: .15em; }
.scan-readout i { height: 1px; position: relative; overflow: hidden; background: rgba(241,238,228,.16); }
.scan-readout i::after { content: ""; position: absolute; inset: 0 70% 0 0; background: var(--acid); animation: scan 2.8s ease-in-out infinite; }
.scan-readout strong { color: var(--acid); }
@keyframes scan { 50% { transform: translateX(260%); } }

.hero-foot { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); display: grid; grid-template-columns: 1fr 1fr 1fr; color: rgba(241,238,228,.35); font-size: 8px; letter-spacing: .18em; text-transform: uppercase; }
.hero-foot span:nth-child(2) { text-align: center; color: var(--acid); }
.hero-foot span:last-child { text-align: right; }

.signals { background: var(--paper); color: var(--ink); padding: 120px 0 132px; position: relative; }
.signals::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .32; background-image: linear-gradient(rgba(16,23,17,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(16,23,17,.035) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(90deg, #000, transparent 48%); }
.signals-grid { position: relative; display: grid; grid-template-columns: minmax(320px, .72fr) minmax(600px, 1.28fr); gap: clamp(70px, 8vw, 128px); align-items: start; }
.section-index { color: #5d665d; margin-bottom: 34px; }
.section-index span { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(16,23,17,.18); border-radius: 12px 3px 12px 3px; color: var(--rust); }
.section-index::before { display: none; }
.signals-intro { padding-top: 4px; }
.signals-intro h2 { max-width: 500px; font-size: clamp(44px, 4.1vw, 62px); line-height: 1.02; letter-spacing: -.045em; font-weight: 900; }
.signals-intro h2 em { display: block; color: #627817; font-style: normal; }
.signals-summary { max-width: 475px; margin: 28px 0 0; color: #515a52; font-size: 17px; line-height: 1.65; }
.signal-cta { display: inline-flex; align-items: center; gap: 28px; margin-top: 32px; padding: 13px 0 10px; border-bottom: 1px solid rgba(16,23,17,.38); font-weight: 850; }
.signal-cta span { color: var(--rust); }
.signal-cta:focus-visible { outline: 3px solid var(--rust); outline-offset: 5px; }
.signal-map { border-top: 1px solid rgba(16,23,17,.22); }
.signal-map-head { min-height: 65px; display: grid; grid-template-columns: 1fr 100px 1fr; align-items: center; gap: 20px; color: #687169; font-size: 9px; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.signal-map-head > span:last-child { text-align: right; }
.floor-plane { display: grid; grid-template-columns: 1fr; gap: 7px; text-align: center; color: var(--rust); }
.floor-plane i { display: block; height: 6px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: repeating-linear-gradient(90deg, transparent 0 8px, rgba(16,23,17,.2) 8px 9px); }
.signal-map article { min-height: 160px; position: relative; display: grid; grid-template-columns: 36px minmax(180px, .82fr) 100px minmax(230px, 1fr); gap: 20px; align-items: center; border-top: 1px solid rgba(16,23,17,.16); }
.signal-map article:last-of-type { border-bottom: 1px solid rgba(16,23,17,.16); }
.signal-no { align-self: start; padding-top: 36px; color: var(--rust); font-size: 10px; font-weight: 900; }
.signal-above small, .signal-below small { display: block; margin-bottom: 9px; color: #6d756e; font-size: 9px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.signal-above h3 { max-width: 280px; font-size: 24px; line-height: 1.08; font-weight: 900; }
.signal-below { padding-left: 2px; }
.signal-below small { color: #627817; }
.signal-below p { max-width: 320px; margin: 0; color: #414941; font-size: 15px; line-height: 1.55; }
.signal-connector { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 0; color: var(--rust); }
.signal-connector i { height: 1px; background: rgba(16,23,17,.25); position: relative; }
.signal-connector i::before { content: ""; position: absolute; left: 0; top: 50%; width: 8px; height: 8px; border-radius: 50%; background: var(--acid-deep); box-shadow: 0 0 0 7px rgba(168,217,32,.13); transform: translateY(-50%); }
.signal-connector span { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid rgba(16,23,17,.2); border-radius: 10px 3px 10px 3px; transform: rotate(-90deg); }
.signal-map-foot { min-height: 54px; display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; color: #747c75; font-size: 8px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.signal-map-foot i { height: 1px; background: linear-gradient(90deg, rgba(16,23,17,.15), var(--acid-deep)); }
.systems { padding: 118px 0 138px; background: var(--soil); color: var(--cream); position: relative; overflow: hidden; }
.systems::before { content: ""; position: absolute; inset: 0; opacity: .17; background-image: linear-gradient(rgba(199,239,67,.16) 1px, transparent 1px), linear-gradient(90deg, rgba(199,239,67,.16) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to bottom, transparent, #000 35%, transparent); }
.systems-heading { position: relative; display: grid; grid-template-columns: .7fr 1.45fr .85fr; gap: 60px; align-items: end; margin-bottom: 72px; }
.dark-index { align-self: start; display: flex; align-items: center; gap: 14px; margin: 8px 0 0; color: rgba(241,238,228,.62); font-size: 10px; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.dark-index span { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(241,238,228,.23); border-radius: 12px 3px 12px 3px; color: var(--acid); }
.systems-heading h2 { font-size: clamp(48px, 5vw, 72px); line-height: .98; letter-spacing: -.05em; font-weight: 900; }
.systems-heading h2 em { color: var(--acid); font-style: normal; }
.systems-heading > p:last-child { margin: 0; color: rgba(241,238,228,.68); font-size: 16px; line-height: 1.65; }
.systems-grid { position: relative; display: grid; grid-template-columns: 1.18fr .82fr; min-height: 650px; border-top: 1px solid rgba(241,238,228,.2); border-bottom: 1px solid rgba(241,238,228,.2); }
.system-stage { position: relative; overflow: hidden; min-height: 650px; border-right: 1px solid rgba(241,238,228,.2); background: #111611; }
.system-photo { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,16,12,.05), rgba(11,16,12,.82)), url("assets/images/understory-house-cutaway.png") center / cover; filter: saturate(.7) contrast(1.07); transform: scale(1.03); transition: filter .4s ease; }
.system-scan { position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(199,239,67,.18), transparent); width: 22%; transform: skewX(-12deg); animation: system-scan 5.5s ease-in-out infinite; mix-blend-mode: screen; }
@keyframes system-scan { 0%, 15% { left: -30%; } 75%, 100% { left: 120%; } }
.stage-label { position: absolute; z-index: 2; display: grid; gap: 4px; color: rgba(241,238,228,.62); font-size: 8px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.stage-label strong { color: var(--cream); font-size: 10px; }
.stage-top { left: 28px; top: 27px; }
.stage-bottom { left: 28px; bottom: 27px; }
.stage-bottom strong { color: var(--acid); }
.layer-marker { position: absolute; z-index: 2; display: flex; align-items: center; gap: 8px; padding: 8px 11px; border: 1px solid rgba(241,238,228,.24); border-radius: 10px 3px 10px 3px; background: rgba(16,23,17,.68); color: rgba(241,238,228,.58); font-size: 8px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; backdrop-filter: blur(7px); transition: .3s ease; }
.layer-marker span { color: var(--acid); }
.layer-marker.is-active { color: var(--ink); background: var(--acid); border-color: var(--acid); transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,.22); }
.layer-marker.is-active span { color: var(--ink); }
.marker-air { right: 18%; top: 27%; }
.marker-structure { right: 9%; top: 47%; }
.marker-water { left: 42%; bottom: 25%; }
.marker-moisture { left: 21%; bottom: 11%; }
.system-controls { padding-left: 38px; }
.control-kicker { margin: 28px 0 10px; color: var(--acid); font-size: 9px; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.system-control { width: 100%; min-height: 137px; display: grid; grid-template-columns: 38px 1fr 34px; gap: 16px; align-items: center; padding: 20px 0; border: 0; border-top: 1px solid rgba(241,238,228,.18); color: var(--cream); background: transparent; text-align: left; cursor: pointer; }
.system-control:last-child { border-bottom: 1px solid rgba(241,238,228,.18); }
.control-no { color: var(--rust); font-size: 10px; font-weight: 900; align-self: start; padding-top: 5px; }
.system-control > span:nth-child(2) { display: grid; gap: 6px; }
.system-control small { color: rgba(241,238,228,.48); font-size: 8px; font-style: normal; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.system-control strong { font-family: var(--display); font-size: 25px; line-height: 1; text-transform: uppercase; }
.system-control em { max-height: 0; overflow: hidden; color: rgba(241,238,228,.64); font-size: 13px; font-style: normal; line-height: 1.5; opacity: 0; transition: max-height .3s ease, opacity .3s ease; }
.system-control b { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid rgba(241,238,228,.22); border-radius: 10px 3px 10px 3px; color: var(--acid); font-weight: 500; transition: .25s ease; }
.system-control.is-active em { max-height: 70px; opacity: 1; }
.system-control.is-active strong { color: var(--acid); }
.system-control.is-active b { color: var(--ink); background: var(--acid); border-color: var(--acid); transform: rotate(45deg); }
.system-control:focus-visible { outline: 3px solid var(--acid); outline-offset: 4px; }

.process { padding: 122px 0 132px; background: #d9ddd0; color: var(--ink); position: relative; overflow: hidden; }
.process::after { content: "03"; position: absolute; right: -20px; top: -90px; color: rgba(16,23,17,.035); font-family: var(--display); font-size: 360px; font-weight: 900; line-height: 1; }
.process-head { position: relative; z-index: 1; display: grid; grid-template-columns: .45fr 1.25fr .75fr; gap: 54px; align-items: end; }
.process-head .section-index { align-self: start; }
.process-head h2 { font-size: clamp(48px, 5vw, 72px); line-height: .98; letter-spacing: -.05em; font-weight: 900; }
.process-head h2 em { color: #627817; font-style: normal; }
.process-head > p:last-child { margin: 0; color: #525b53; font-size: 16px; line-height: 1.65; }
.process-path { position: relative; z-index: 1; margin-top: 94px; display: grid; grid-template-columns: repeat(4, 1fr); }
.path-line { position: absolute; left: 0; right: 0; top: 17px; height: 1px; background: rgba(16,23,17,.2); }
.path-line i { display: block; width: 26%; height: 1px; background: var(--rust); }
.process-path article { position: relative; padding: 62px 42px 12px 0; border-right: 1px solid rgba(16,23,17,.17); }
.process-path article:not(:first-of-type) { padding-left: 34px; }
.process-path article:last-child { border-right: 0; }
.process-path article > span { position: absolute; top: 0; left: 0; width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(16,23,17,.24); border-radius: 11px 3px 11px 3px; background: #d9ddd0; color: var(--rust); font-size: 9px; font-weight: 900; }
.process-path article:not(:first-of-type) > span { left: 34px; }
.process-path small { color: #627817; font-size: 8px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.process-path h3 { margin-top: 13px; font-size: 24px; line-height: 1.08; font-weight: 900; }
.process-path p { margin: 14px 0 0; color: #566057; font-size: 14px; line-height: 1.6; }
.process-action { position: relative; z-index: 1; margin-top: 82px; padding-top: 28px; border-top: 1px solid rgba(16,23,17,.2); display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.process-action p { margin: 0; font-family: var(--display); font-size: 27px; font-weight: 900; text-transform: uppercase; }
.button-ink { color: var(--cream); background: var(--ink); border-color: var(--ink); }
.button-ink:hover { color: var(--ink); background: var(--acid); border-color: var(--ink); }

@media (max-width: 1100px) {
  .nav-shell { grid-template-columns: 230px 1fr auto; }
  .primary-nav, .nav-call { display: none; }
  .brand img, .brand svg { width: 220px; }
  .hero-grid { grid-template-columns: 1fr 390px; gap: 40px; }
  h1 { font-size: 70px; }
  .signals-grid { grid-template-columns: .72fr 1.28fr; gap: 58px; }
  .signal-map article { grid-template-columns: 30px 1fr 62px 1fr; gap: 14px; }
  .signal-map-head { grid-template-columns: 1fr 62px 1fr; gap: 14px; }
  .systems-heading, .process-head { grid-template-columns: .55fr 1.2fr .8fr; gap: 40px; }
  .process-head { grid-template-columns: .42fr 1.3fr .78fr; }
  .systems-grid { grid-template-columns: 1fr .9fr; }
  .system-controls { padding-left: 26px; }
  .system-control { min-height: 130px; }
  .process-path article { padding-right: 25px; }
  .process-path article:not(:first-of-type) { padding-left: 25px; }
  .process-path article:not(:first-of-type) > span { left: 25px; }
}

@media (max-width: 820px) {
  .container { width: min(calc(100% - 34px), var(--container)); }
  .site-header { position: absolute; }
  .nav-shell { min-height: 76px; grid-template-columns: 1fr auto; }
  .brand img, .brand svg { width: 205px; }
  .nav-cta { min-height: 44px; padding-inline: 17px; font-size: 12px; }
  .hero { min-height: 0; }
  .hero::after { background: linear-gradient(180deg, rgba(14,19,15,.76), rgba(14,19,15,.96) 45%, #111812 74%); }
  .hero-media { height: 610px; background-position: 57% top; }
  .hero-grid { padding-top: 144px; padding-bottom: 90px; min-height: 0; display: block; }
  .hero-copy { padding-top: 42px; max-width: 650px; }
  h1 { font-size: clamp(54px, 11vw, 76px); max-width: 680px; }
  .hero-lede { max-width: 540px; }
  .service-index { margin-bottom: 46px; }
  .assessment-card { max-width: 580px; margin: 0 auto; }
  .hero-foot { display: none; }
  .signals-grid { display: grid; grid-template-columns: 1fr; gap: 64px; }
  .signals-intro h2 { max-width: 610px; }
  .signals-summary { max-width: 610px; }
  .systems-heading, .process-head { grid-template-columns: 1fr 1.5fr; }
  .systems-heading > p:last-child, .process-head > p:last-child { grid-column: 2; }
  .systems-grid { grid-template-columns: 1fr; }
  .system-stage { min-height: 560px; border-right: 0; border-bottom: 1px solid rgba(241,238,228,.2); }
  .system-controls { padding: 0; }
  .system-control { padding-inline: 20px; }
  .process-path { grid-template-columns: 1fr 1fr; gap: 55px 0; }
  .process-path article:nth-of-type(2) { border-right: 0; }
  .process-path article:nth-of-type(3) { padding-left: 0; }
  .process-path article:nth-of-type(3) > span { left: 0; }
  .path-line { display: none; }
}

@media (max-width: 560px) {
  .demo-ribbon { min-height: 30px; }
  .ribbon-inner { justify-content: center; }
  .ribbon-inner > span { display: none; }
  .site-header { top: 30px; }
  .nav-shell { min-height: 70px; }
  .brand img, .brand svg { width: 176px; }
  .nav-cta { width: 44px; min-height: 44px; padding: 0; border-radius: 14px 3px 14px 3px; font-size: 0; gap: 0; }
  .nav-cta span { font-size: 17px; }
  .hero-grid { padding-top: 116px; padding-bottom: 62px; }
  .hero-copy { padding-top: 36px; }
  .eyebrow { gap: 9px; font-size: 9px; letter-spacing: .1em; }
  .eyebrow::before { width: 26px; }
  h1 { font-size: clamp(45px, 13.6vw, 60px); }
  .hero-lede { margin-top: 25px; font-size: 16px; line-height: 1.55; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 13px; }
  .hero-actions .button { width: 100%; }
  .text-link { align-self: flex-start; }
  .service-index { gap: 13px; justify-content: space-between; font-size: 8px; margin-top: 44px; }
  .service-index span { gap: 5px; }
  .assessment-card { padding: 22px; border-radius: 4px 24px 4px 24px; }
  .assessment-card h2 { font-size: 30px; }
  .field-row { grid-template-columns: 1fr; }
  .symptom-choices { grid-template-columns: 1fr 1fr; }
  .scan-readout { margin: 20px -22px -22px; padding: 0 22px; }
  .signals { padding: 88px 0 105px; }
  .signals-intro h2 { font-size: 41px; }
  .signals-grid { gap: 48px; }
  .signals-summary { font-size: 16px; }
  .signal-map-head { grid-template-columns: 1fr auto; min-height: 58px; }
  .signal-map-head .floor-plane { display: none; }
  .signal-map article { min-height: 0; padding: 28px 0; grid-template-columns: 28px 1fr; gap: 8px 14px; align-items: start; }
  .signal-no { grid-row: 1 / span 3; padding-top: 3px; }
  .signal-above h3 { font-size: 22px; }
  .signal-connector { grid-column: 2; display: block; width: 32px; height: 34px; margin: 8px 0 2px 0; }
  .signal-connector i { display: block; width: 1px; height: 34px; margin-left: 13px; background: linear-gradient(to bottom, var(--acid-deep), rgba(16,23,17,.2)); }
  .signal-connector i::before { top: 0; left: 50%; }
  .signal-connector span { display: none; }
  .signal-below { grid-column: 2; }
  .signal-map-foot { display: none; }
  .systems, .process { padding: 88px 0 100px; }
  .systems-heading, .process-head { display: block; margin-bottom: 48px; }
  .systems-heading h2, .process-head h2 { margin-top: 34px; font-size: 41px; }
  .systems-heading > p:last-child, .process-head > p:last-child { margin-top: 24px; }
  .systems-grid { min-height: 0; }
  .system-stage { min-height: 470px; }
  .stage-top { left: 18px; top: 18px; }
  .stage-bottom { left: 18px; bottom: 18px; }
  .marker-air { right: 8%; top: 26%; }
  .marker-structure { right: 5%; top: 48%; }
  .marker-water { left: 37%; bottom: 28%; }
  .marker-moisture { left: 16%; bottom: 13%; }
  .system-control { min-height: 120px; grid-template-columns: 30px 1fr 30px; padding-inline: 0; }
  .system-control strong { font-size: 22px; }
  .process-path { margin-top: 58px; grid-template-columns: 1fr; gap: 0; }
  .process-path article, .process-path article:not(:first-of-type), .process-path article:nth-of-type(3) { min-height: 0; padding: 34px 0 34px 54px; border-right: 0; border-bottom: 1px solid rgba(16,23,17,.17); }
  .process-path article > span, .process-path article:not(:first-of-type) > span, .process-path article:nth-of-type(3) > span { left: 0; top: 34px; }
  .process-action { margin-top: 52px; align-items: stretch; flex-direction: column; }
  .process-action .button { width: 100%; }
}

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

/* Complete-homepage extension */
.plain-label { margin: 0 0 24px; color: #627817; font-size: 10px; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.light-label { color: var(--acid); }
.word-mark { position: relative; display: inline; color: #4f5d57; font-style: normal; z-index: 0; }
.word-mark::after { content: ""; position: absolute; z-index: -1; left: -.02em; right: -.02em; bottom: .07em; height: .16em; background: var(--acid); opacity: .72; }
.acid-mark { color: var(--acid); }
.acid-mark::after { background: var(--rust); opacity: .85; }

.evidence { padding: 132px 0 148px; background: var(--cream); color: var(--ink); }
.evidence-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(70px, 9vw, 142px); align-items: start; }
.evidence-copy { position: sticky; top: 48px; padding-top: 14px; }
.evidence-copy h2, .context-heading h2, .questions-intro h2, .closing h2 { font-size: clamp(48px, 5vw, 72px); line-height: .98; letter-spacing: -.05em; font-weight: 900; }
.evidence-copy > p:nth-of-type(2) { margin: 30px 0 0; max-width: 480px; color: #566057; font-size: 17px; line-height: 1.7; }
.evidence-standard { margin-top: 54px; padding: 24px 0 0; border-top: 1px solid rgba(16,23,17,.22); display: grid; gap: 12px; }
.evidence-standard span { color: var(--rust); font-size: 9px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.evidence-standard strong { font-family: var(--display); font-size: 22px; line-height: 1.36; text-transform: uppercase; }
.evidence-board { border-top: 4px solid var(--ink); }
.evidence-image { margin: 0; display: grid; grid-template-columns: 1fr 220px; border-bottom: 1px solid rgba(16,23,17,.2); min-height: 510px; }
.evidence-image > div { min-height: 510px; background: linear-gradient(180deg, rgba(16,23,17,.02), rgba(16,23,17,.48)), url("assets/images/understory-house-cutaway.png") 64% center / cover; filter: saturate(.72) contrast(1.05); }
.evidence-image figcaption { padding: 24px 20px; align-self: end; display: grid; gap: 11px; border-left: 1px solid rgba(16,23,17,.2); }
.evidence-image figcaption span { color: var(--rust); font-size: 8px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.evidence-image figcaption b { font-size: 12px; line-height: 1.5; }
.evidence-ledger article { display: grid; grid-template-columns: 86px .78fr 1.22fr; gap: 24px; align-items: start; padding: 30px 0; border-bottom: 1px solid rgba(16,23,17,.2); }
.evidence-ledger small { padding-top: 5px; color: var(--rust); font-size: 8px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.evidence-ledger h3 { font-size: 22px; line-height: 1.08; }
.evidence-ledger p { margin: 0; color: #59635b; font-size: 14px; line-height: 1.6; }

.local-context { position: relative; overflow: hidden; background: #111812; }
.context-backdrop { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16,23,17,.97), rgba(16,23,17,.82) 54%, rgba(16,23,17,.43)), url("assets/images/understory-house-cutaway.png") center 66% / cover; filter: saturate(.62); transform: scale(1.02); }
.context-shell { position: relative; min-height: 820px; padding-top: 124px; padding-bottom: 124px; display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(70px, 9vw, 142px); }
.context-heading { align-self: start; }
.context-heading h2 { font-size: clamp(44px, 3.5vw, 52px); }
.context-heading h2 { max-width: 560px; }
.context-heading > p:last-child { max-width: 520px; margin: 30px 0 0; color: rgba(241,238,228,.72); font-size: 16px; line-height: 1.68; }
.context-bands { align-self: center; border-top: 1px solid rgba(241,238,228,.28); }
.context-bands article { min-height: 152px; display: grid; grid-template-columns: 130px .8fr 1.2fr; gap: 24px; align-items: center; border-bottom: 1px solid rgba(241,238,228,.28); transition: background .25s ease, padding .25s ease; }
.context-bands article:hover { padding-inline: 18px; background: rgba(199,239,67,.07); }
.context-bands span { color: var(--acid); font-size: 8px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.context-bands h3 { font-size: 24px; line-height: 1.08; }
.context-bands p { margin: 0; color: rgba(241,238,228,.68); font-size: 14px; line-height: 1.55; }
.context-note { grid-column: 1 / -1; align-self: end; display: grid; grid-template-columns: 130px .8fr 1.2fr; gap: 24px; padding-top: 24px; border-top: 1px solid rgba(241,238,228,.28); }
.context-note span { color: var(--rust); font-size: 8px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.context-note strong { font-family: var(--display); font-size: 17px; text-transform: uppercase; }
.context-note p { margin: 0; color: rgba(241,238,228,.58); font-size: 12px; }

.questions { padding: 132px 0 148px; background: #d9ddd0; color: var(--ink); }
.questions-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(70px, 9vw, 142px); }
.questions-intro { align-self: start; }
.questions-intro > p:nth-of-type(2) { max-width: 470px; margin: 30px 0 0; color: #566057; font-size: 16px; line-height: 1.7; }
.questions-intro .signal-cta { margin-top: 42px; }
.question-drawers { border-top: 4px solid var(--ink); }
.question-drawers details { border-bottom: 1px solid rgba(16,23,17,.23); }
.question-drawers summary { min-height: 112px; display: grid; grid-template-columns: 1fr 38px; gap: 24px; align-items: center; list-style: none; cursor: pointer; font-family: var(--display); font-size: 21px; line-height: 1.18; font-weight: 900; text-transform: uppercase; }
.question-drawers summary::-webkit-details-marker { display: none; }
.question-drawers summary b { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(16,23,17,.28); border-radius: 10px 3px 10px 3px; color: #627817; transition: transform .25s ease, background .25s ease; }
.question-drawers details[open] summary b { color: var(--ink); background: var(--acid); transform: rotate(45deg); }
.question-drawers details p { max-width: 680px; margin: -6px 62px 32px 0; color: #59635b; font-size: 15px; line-height: 1.68; }
.question-drawers summary:focus-visible { outline: 3px solid #627817; outline-offset: 5px; }

.closing { position: relative; overflow: hidden; min-height: 690px; display: grid; align-items: center; }
.closing-image { position: absolute; inset: 0; background: url("assets/images/understory-house-cutaway.png") center 72% / cover; filter: saturate(.72) contrast(1.08); transform: scale(1.03); }
.closing-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16,23,17,.98) 0%, rgba(16,23,17,.87) 52%, rgba(16,23,17,.4) 100%), linear-gradient(0deg, rgba(16,23,17,.75), transparent 70%); }
.closing-grid { position: relative; padding-top: 110px; padding-bottom: 110px; display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(70px, 9vw, 142px); align-items: end; }
.closing h2 { max-width: 740px; }
.closing-action { padding-top: 28px; border-top: 1px solid rgba(241,238,228,.3); }
.closing-action > p { margin: 0 0 30px; color: rgba(241,238,228,.72); font-size: 16px; line-height: 1.68; }
.closing-phone { margin-top: 28px; display: grid; gap: 4px; width: max-content; }
.closing-phone small { color: rgba(241,238,228,.5); font-size: 8px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.closing-phone strong { font-family: var(--display); font-size: 24px; }
.closing-phone:focus-visible { outline: 3px solid var(--acid); outline-offset: 5px; }

.site-footer { padding: 38px 0; background: #0b100c; color: var(--cream); border-top: 1px solid rgba(241,238,228,.14); }
.footer-grid { display: grid; grid-template-columns: 280px 1fr auto; gap: 36px; align-items: center; }
.footer-brand img, .footer-brand svg { width: 220px; }
.footer-grid p { margin: 0; color: rgba(241,238,228,.55); font-size: 12px; line-height: 1.5; }
.footer-grid > a:last-child { color: var(--acid); font-size: 11px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid > a:last-child:focus-visible { outline: 3px solid var(--acid); outline-offset: 5px; }

@media (max-width: 1100px) {
  .primary-nav { gap: 20px; }
  .evidence-grid, .context-shell, .questions-grid { grid-template-columns: .64fr 1.36fr; gap: 62px; }
  .evidence-image { grid-template-columns: 1fr 180px; }
  .context-bands article { grid-template-columns: 110px .82fr 1.18fr; }
  .closing-grid { gap: 70px; }
}

@media (max-width: 820px) {
  .evidence, .questions { padding: 104px 0 116px; }
  .evidence-grid, .questions-grid { grid-template-columns: 1fr; gap: 66px; }
  .evidence-copy { position: static; }
  .evidence-copy h2, .questions-intro h2 { max-width: 650px; }
  .context-shell { min-height: 0; grid-template-columns: 1fr; gap: 64px; padding-top: 104px; padding-bottom: 104px; }
  .context-heading h2 { max-width: 680px; }
  .context-bands { align-self: start; }
  .context-note { grid-column: auto; }
  .closing-grid { grid-template-columns: 1fr; gap: 64px; }
  .closing h2 { max-width: 700px; }
  .footer-grid { grid-template-columns: 230px 1fr; }
  .footer-grid > a:last-child { grid-column: 2; }
}

@media (max-width: 560px) {
  .evidence, .questions { padding: 88px 0 98px; }
  .plain-label { margin-bottom: 22px; }
  .evidence-copy h2, .context-heading h2, .questions-intro h2, .closing h2 { font-size: 41px; }
  .evidence-copy > p:nth-of-type(2), .questions-intro > p:nth-of-type(2) { font-size: 16px; }
  .evidence-standard { margin-top: 42px; }
  .evidence-image { min-height: 0; display: block; }
  .evidence-image > div { min-height: 390px; background-position: 62% center; }
  .evidence-image figcaption { border-left: 0; border-top: 1px solid rgba(16,23,17,.2); }
  .evidence-ledger article { grid-template-columns: 58px 1fr; gap: 12px 16px; padding: 26px 0; }
  .evidence-ledger p { grid-column: 2; }
  .context-shell { padding-top: 88px; padding-bottom: 92px; gap: 52px; }
  .context-bands article { min-height: 0; grid-template-columns: 1fr; gap: 9px; padding: 28px 0; }
  .context-bands article:hover { padding-inline: 0; }
  .context-note { grid-template-columns: 1fr; gap: 9px; }
  .question-drawers summary { min-height: 96px; font-size: 19px; }
  .question-drawers details p { margin-right: 0; }
  .closing { min-height: 0; }
  .closing-grid { padding-top: 92px; padding-bottom: 92px; gap: 48px; }
  .closing-shade { background: linear-gradient(180deg, rgba(16,23,17,.88), rgba(16,23,17,.97)); }
  .closing-action .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-grid > a:last-child { grid-column: auto; }
}