/* Isolated September 14 homepage and clarity preview. */
.hero-home{align-items:center;padding:44px 0 34px;gap:42px}
.hero-home .hero-service-heading{font:600 clamp(30px,3.05vw,44px)/1.12 Archivo,Arial,sans-serif;letter-spacing:-.035em;color:#173441;margin:0 0 24px}
.hero-home .hero-slogan{font-size:clamp(27px,2.5vw,37px);line-height:1.22}
.hero-home .intro{font-size:17px;line-height:1.6;margin-top:22px}
.hero-home .actions{margin-top:18px}
.bird-photo-frame{position:relative;overflow:hidden;border-radius:6px;background:#223a2b;isolation:isolate}
.hero-home .bird-photo-frame>img{height:580px;width:100%;object-fit:cover;object-position:100% center;aspect-ratio:auto}
.bird-photo-frame:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,23,13,.78),transparent 31%,transparent 62%,rgba(9,23,13,.85));z-index:0;pointer-events:none}
.photo-service-title{position:absolute;top:28px;left:26px;right:26px;color:#fffdf0;font:600 clamp(26px,2.4vw,34px)/1.15 Archivo,Arial,sans-serif;letter-spacing:-.025em;z-index:1;max-width:390px;text-shadow:0 1px 3px #10291f}
.photo-reveal-word{white-space:nowrap;display:inline-block}
.photo-reveal-letter{display:inline-block}
.letters-enter .photo-reveal-letter{animation:photo-letter-in .25s ease-out both;animation-delay:var(--photo-delay)}
@keyframes photo-letter-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.photo-species-label{position:absolute;left:26px;right:20px;bottom:24px;color:#fff;text-decoration:none;z-index:1;width:fit-content;text-shadow:0 1px 3px #10291f}
.photo-species-label strong{display:block;font-size:clamp(20px,1.8vw,26px);line-height:1.18;letter-spacing:-.02em}
.photo-species-label i{display:block;font:italic 16px/1.5 Lora,Georgia,serif;color:#e5ebd9;margin-top:5px}
.photo-species-label span{display:block;font-size:12px;line-height:1.5;margin-top:10px;text-decoration:underline;text-underline-offset:4px;color:#fff}
.photo-species-label:hover,.photo-species-label:focus{color:#fff}
.hero-home .hero-photo .hero-bird-caption{font-size:13px;line-height:1.55;margin-top:13px}
.who-help{padding:30px 0;border-top:1px solid #dce5dc;border-bottom:1px solid #dce5dc;background:#f3f6f0}
.who-help-inner{display:grid;grid-template-columns:.7fr 2fr;gap:42px;align-items:center}
.who-help .eyebrow{margin-bottom:8px;font-size:12px}
.who-help h2{font-size:26px;line-height:1.13}
.who-help ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin:0;padding:0}
.who-help li{border-left:1px solid #c8d6c4;padding-left:20px}
.who-help li strong{display:block;font-size:15px;line-height:1.4;margin-bottom:7px}
.who-help li span{display:block;color:#52675a;font-size:14px;line-height:1.5}
.homepage-offers{padding:56px 0 48px}
.homepage-offers .section-heading{margin-bottom:26px}
.homepage-offers .eyebrow{font-size:12px;margin-bottom:13px}
.homepage-offers h2{font-size:clamp(28px,3vw,40px);max-width:610px}
.innovation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
.innovation-card{display:flex;flex-direction:column;border:1px solid #d5dfd2;border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 3px 0 #e3eade,0 9px 20px #17344106;min-width:0}
.offer-art{position:relative;background:linear-gradient(150deg,#f5f7ef,#edf2e8);height:216px;overflow:hidden}
.offer-art img{width:100%;height:100%;object-fit:contain;padding:8px 30px;transition:transform .35s ease}
.innovation-card:hover .offer-art img{transform:scale(1.025)}
.offer-number{position:absolute;top:16px;left:20px;font-size:12px;color:#506947;letter-spacing:.1em;z-index:1}
.offer-body{padding:24px;display:flex;flex-direction:column;flex:1;align-items:flex-start}
.offer-body h3{font-size:24px;line-height:1.15;max-width:250px;margin:0 0 15px}
.offer-lead{font-size:15px;line-height:1.6;color:#526b77}
.offer-body .offer-deliverable{border-top:1px solid #e1e8de;margin:18px 0 0;padding-top:16px;font-size:14px;line-height:1.6;color:#526b77}
.offer-deliverable strong{display:block;margin-bottom:6px;color:#356047;font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.offer-body .offer-more{margin:14px 0 20px;display:inline-flex;align-items:center;min-height:44px;font-size:14px}
.offer-details{width:100%;margin:14px 0 20px}
.offer-details summary{cursor:pointer;font-weight:600;font-size:14px;min-height:44px;display:list-item;padding:10px 0;color:#006d71;list-style-position:inside;line-height:1.55}
.offer-details p{font-size:14px;line-height:1.6;margin:8px 0 0;color:#526b77}
.offer-cta.button{margin-top:auto;min-height:48px;font-size:14px;line-height:1.4;align-self:stretch;text-align:center;background:linear-gradient(#295344,#1f4336);border-color:#1c3c31;box-shadow:0 3px 0 #132e23,0 6px 11px #203a2917;border-radius:5px;padding:13px 14px;white-space:normal}
.offer-cta.button:hover{background:#356b4b;box-shadow:0 2px 0 #132e23}
.offers-bottom{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-top:26px;font-size:14px;color:#526b77}
.offers-bottom a{flex-shrink:0;min-height:44px;display:inline-flex;align-items:center}
.species-experience-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:start}
.species-experience-card{border:1px solid #d6dfd2;border-radius:6px;background:#fafbf7;overflow:hidden}
.species-experience-card>summary{display:block;list-style:none;cursor:pointer;padding:16px;text-align:center}
.species-experience-card>summary::-webkit-details-marker{display:none}
.species-experience-card>summary img{width:150px;height:140px;object-fit:contain;margin:0 auto 12px}
.species-experience-card>summary strong{display:block;font-size:16px;line-height:1.3;min-height:42px}
.species-scientific{display:block;font-size:13px;line-height:1.45;margin-top:8px;color:#526b77}
.species-open-label{display:flex;justify-content:center;gap:12px;font-size:12px;color:#356047;margin-top:13px}
.species-experience-card[open] .species-open-label>span{transform:rotate(45deg)}
.species-card-detail{padding:0 18px 20px;border-top:1px solid #d6dfd2;font-size:13px}
.species-card-detail p{margin:15px 0}
.species-card-detail .listing-scope{display:block;margin-top:5px}
.species-card-detail .status-label{font-size:13px}
.species-card-detail>.refined-link{min-height:44px;display:inline-flex;align-items:center}
.about-personal-note blockquote p+p{margin-top:16px}
.about-personal-note figcaption{margin-top:18px}
.resource-directory{margin-top:26px;border:1px solid #bfcec1;border-radius:5px;max-width:100%;background:#fff}
.resource-directory>summary{display:flex;align-items:center;justify-content:space-between;min-height:56px;cursor:pointer;padding:16px 20px;list-style:none;font-weight:600;color:#234e3c;background:#f2f6ee}
.resource-directory>summary::-webkit-details-marker{display:none}
.resource-directory[open]>summary span{transform:rotate(45deg)}
.resource-directory nav{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding:24px}
.resource-directory nav strong{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:#526b77}
.resource-directory nav a{display:flex;align-items:center;min-height:44px;font-size:14px;line-height:1.5;margin-top:6px}
.simple-location{margin:24px 0;padding:22px 25px;border-left:3px solid #66825c;background:#f3f6ee;border-radius:3px}
.simple-location h3{font-size:22px}
.simple-location p{font-size:15px;line-height:1.6;margin:12px 0}
.simple-location a{font-size:14px;min-height:44px;display:inline-flex;align-items:center}
@media(max-width:1050px){.hero-home{gap:28px}.hero-home .bird-photo-frame>img{height:600px}.who-help-inner{grid-template-columns:1fr;gap:22px}.who-help h2 br{display:none}.innovation-grid{gap:15px}.offer-body{padding:20px}.offer-body h3{font-size:22px}.offer-art{height:190px}.species-experience-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.hero-home{padding:27px 0 28px;gap:27px}.hero-home .hero-service-heading{font-size:33px;line-height:1.1;margin-bottom:20px;max-width:390px}.hero-home .hero-slogan{font-size:26px;line-height:1.25;max-width:100%}.hero-home .hero-slogan .slogan-fieldwork,.hero-home .hero-slogan .slogan-technology{display:inline}.hero-home .hero-slogan .slogan-line+.slogan-line{margin-top:5px}.hero-home .intro{font-size:16px;margin-top:20px}.hero-home .hero-location{margin-top:12px}.hero-home .bird-photo-frame>img{height:365px;object-position:100% center}.photo-service-title{font-size:29px;left:22px;right:22px;top:22px;max-width:300px}.photo-species-label{left:22px;bottom:20px}.photo-species-label strong{font-size:22px}.photo-species-label i{font-size:14px}.hero-home .hero-photo .hero-bird-caption{font-size:12px;line-height:1.65}.who-help{padding:27px 0}.who-help ul{grid-template-columns:1fr;gap:17px}.who-help h2{font-size:26px}.who-help li{padding-left:16px}.who-help li strong{margin-bottom:3px}.who-help li span{font-size:14px}.homepage-offers{padding:36px 0}.homepage-offers .section-heading p{font-size:15px;max-width:100%}.innovation-grid{grid-template-columns:1fr;gap:22px}.offer-art{height:195px}.offer-art img{padding:4px 45px}.offer-body{padding:22px}.offer-body h3{font-size:25px;max-width:100%;margin-bottom:10px}.offer-body .offer-deliverable{margin-top:15px;padding-top:13px}.offer-details,.offer-body .offer-more{margin:10px 0 15px}.offers-bottom{display:block;font-size:13px}.offers-bottom a{margin-top:8px}.species-experience-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.species-experience-card>summary{padding:12px 10px}.species-experience-card>summary img{width:125px;height:115px}.species-experience-card>summary strong{font-size:14px;min-height:55px}.species-scientific{font-size:12px;overflow-wrap:anywhere;min-height:36px}.species-card-detail{padding:0 12px 15px}.resource-directory nav{grid-template-columns:1fr;gap:22px;padding:20px}.simple-location{padding:20px}.simple-location p{font-size:14px}}
@media(max-width:360px){.hero-home .hero-service-heading{font-size:30px}.hero-home .hero-slogan{font-size:23px}.photo-service-title{font-size:26px}.photo-species-label strong{font-size:20px}.hero-home .bird-photo-frame>img{height:350px}.species-experience-grid{gap:9px}.species-experience-card>summary strong{font-size:13px}}
@media(prefers-reduced-motion:reduce){.letters-enter .photo-reveal-letter{animation:none}.offer-art img{transition:none}}
@media print{.letters-enter .photo-reveal-letter{animation:none}}

.offer-platform{display:flex;align-items:center;gap:9px;min-height:40px;margin:0 0 15px;font-size:12px;font-weight:500;color:#526b77;text-decoration:none}
.offer-platform img{height:26px;width:26px;object-fit:contain}
.offer-platform .acoustics-logo{width:104px;height:30px}
.offer-body .offer-lead{margin-top:0}
@media(min-width:701px){.offer-body h3{min-height:56px}.offer-platform{min-height:44px}}
@media(max-width:700px){.offer-platform{margin-bottom:13px}}
.offer-details summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:9px}
.offer-details summary::-webkit-details-marker{display:none}
.offer-details summary:after{content:"+";font-size:18px;font-weight:400}
.offer-details[open] summary:after{content:"−"}

/* User revision: restore descriptor beneath the brand and slogan prominence. */
.hero-home .hero-slogan{font-size:clamp(37px,3.65vw,55px);line-height:1.14;max-width:620px}
@media(max-width:700px){.hero-home .hero-slogan{font-size:clamp(34px,10.25vw,44px);line-height:1.13}.hero-home .hero-slogan .slogan-fieldwork,.hero-home .hero-slogan .slogan-technology{display:block}.hero-home .hero-slogan .slogan-line+.slogan-line{margin-top:.18em}}

.species-experience-card>summary img{mix-blend-mode:multiply}

/* 2026-09-15: tools directory bar matches homepage service finder */
.resource-directory{border:1px solid #163b4b;border-radius:5px;background:#173c4e;box-shadow:0 2px 0 #0d2a38,0 5px 13px #17344114;max-width:760px}.resource-directory>summary{background:linear-gradient(180deg,#244d60,#173b4c);color:#fff;border-radius:4px;font-size:15px;min-height:54px;padding:14px 20px}.resource-directory>summary:hover{background:#295d72}.resource-directory>summary span{color:#fff;font-size:24px;line-height:1}.resource-directory[open]>summary{border-radius:4px 4px 0 0}.resource-directory nav{background:#fff;border-radius:0 0 4px 4px}.resource-directory summary:focus-visible{outline:3px solid #c89321;outline-offset:4px}

/* 2026-09-15: tools credits + tool-building offer */
.built-by{display:inline-block;font-style:normal;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#087678;background:#e6f2f1;border-radius:3px;padding:3px 8px;margin:10px 0 0}.resource-list a .built-by{display:table}.tool-building{background:#f5f8fb;border-top:1px solid #dce5ed}.tool-building h2{max-width:760px}.tool-building-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px;margin-top:22px}.tool-building-layout p{font-size:16px;line-height:1.75;color:#536b80;margin:0 0 16px}.tool-building-list{list-style:none;margin:0;padding:0}.tool-building-list li{border-top:1px solid #d8e2eb;padding:16px 0;font-size:15px;line-height:1.7;color:#536b80}.tool-building-list li strong{display:block;color:#233e54;margin-bottom:4px}.tool-building .actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin-top:28px}.tool-building .actions .button{background:linear-gradient(#456c91,#345779);border-color:#315271;border-radius:7px;box-shadow:0 3px 0 #223e58;color:#fff}.tool-building .actions .button:hover{background:#2c4e6e}.tool-building-note{font-size:12px;color:#536b80;margin-top:20px;max-width:640px}@media(max-width:760px){.tool-building-layout{grid-template-columns:1fr;gap:24px}.tool-building .actions .button{width:100%;text-align:center}}
.tool-building-lead{font-size:17px!important;color:#233e54!important}.tool-building-examples{font-size:14px!important;line-height:1.7;border-left:3px solid #087678;padding-left:14px;color:#536b80}.tool-building-examples strong{color:#233e54}

/* 2026-09-15 release 2: four-card support grid, linked who-help tiles */
.innovation-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.innovation-card .offer-body h3{font-size:21px}
.offer-platform-text{margin:0 0 12px;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:#087678;font-weight:600}
.innovation-card-subcontract{border-color:#b9cfd9;box-shadow:0 3px 0 #d3e0ea,0 9px 20px #17344110}
.innovation-card-subcontract .offer-art{background:linear-gradient(150deg,#eef4f8,#e3edf4)}
@media(max-width:1100px){.innovation-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.innovation-grid{grid-template-columns:1fr}}
.who-help li{padding-left:0;border-left:0}
.who-help li a{display:block;border-left:1px solid #c8d6c4;padding-left:20px;text-decoration:none;color:inherit;transition:border-color .2s ease}
.who-help li a:hover{border-left-color:#087678}
.who-help li a:hover strong{color:#087678;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
.who-help li a:focus-visible{outline:3px solid #c89321;outline-offset:4px}
@media(max-width:700px){.who-help li a{padding-left:16px}}
.tools-build-teaser{margin:18px 0 0;font-size:14px;line-height:1.7;color:#536b80;display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px}.tools-build-teaser .built-by{margin:0}
.innovation-card-subcontract .offer-art img{mix-blend-mode:multiply}