:root{--accent:#BE252E}html{scroll-behavior:smooth}body{font-family:Inter,ui-sans-serif,system-ui,sans-serif}.accent{color:var(--accent)}.bg-accent{background:var(--accent)}.border-accent{border-color:var(--accent)}.pattern{background-image:radial-gradient(circle at 80% 15%,rgba(190,37,46,.16),transparent 30%),linear-gradient(125deg,#271F20,#433133 75%,#735039)}.glass{background:rgba(255,255,255,.06);backdrop-filter:blur(10px)}.container-site{max-width:1180px;margin-inline:auto;padding-inline:1.5rem}.prose-content{white-space:pre-line;line-height:1.9}.navigation a:hover{color:var(--accent)}[data-mobile-menu] a{display:block;padding:.35rem 0}

.site-logo{display:block;width:clamp(145px,13vw,185px);height:auto;max-height:69px;object-fit:contain;object-position:left center}.bg-accent{color:white}.bg-accent:hover{filter:brightness(.91)}.navigation a:hover{color:#BE252E}

.navigation .verify-nav,[data-mobile-menu] .verify-nav{background:#BE252E;color:#fff!important;padding:10px 14px;border-radius:12px;white-space:nowrap}.navigation .verify-nav:hover{background:#9f1e27;color:#fff!important}

/* AEI Soil Spectrum v1.5: branded hero and global dark/light appearance */
.soil-hero{background:radial-gradient(ellipse at 75% 35%,rgba(165,55,67,.33),transparent 47%),linear-gradient(115deg,#1a1b22,#302229 66%,#4b2e32);color:#fff;overflow:hidden;transition:background .25s,color .25s}
.soil-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;min-height:690px;padding-top:70px;padding-bottom:65px}.soil-hero-copy{position:relative;z-index:2}.soil-eyebrow{display:inline-flex;gap:10px;align-items:center;border:1px solid #b44957;border-radius:100px;padding:10px 16px;color:#ffbdc4;font-size:11px;font-weight:800;letter-spacing:.07em}.soil-eyebrow-dot,.soil-indicator{width:9px;height:9px;display:inline-block;background:#e64154;border-radius:50%;box-shadow:0 0 0 5px #e641542a}.soil-hero h1{font-size:clamp(38px,4.15vw,69px);line-height:1.28;font-weight:900;letter-spacing:-.025em;margin-top:27px;color:#fff}.soil-hero h1 span{color:#ffb3ba}.soil-hero-copy>p{font-size:17px;line-height:2;margin-top:22px;color:#ded3d6;max-width:600px}.soil-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.soil-btn{padding:15px 20px;border-radius:10px;font-size:14px;font-weight:750;display:inline-flex;align-items:center;justify-content:center}.soil-btn-primary{background:var(--accent);color:white}.soil-btn-outline{border:1px solid #93868b;color:#fff}.soil-hero-benefits{display:flex;gap:17px;flex-wrap:wrap;margin-top:56px;color:#e0cbd0;font-size:12px;border-top:1px solid #ffffff30;padding-top:23px}.soil-visual{position:relative;min-height:530px;display:flex;align-items:center;justify-content:center}.soil-visual-ring{height:510px;width:510px;max-width:100%;border:1px solid #ad777b60;border-radius:46% 54% 49% 51%;padding:15px;background:#ffffff07;box-shadow:0 0 0 32px #ffffff04}.soil-visual-ring img{width:100%;height:100%;object-fit:contain;border-radius:47%;}.soil-float{position:absolute;z-index:2;background:#272128ec;border:1px solid #b68b9380;border-radius:15px;padding:15px 17px;display:flex;flex-direction:column;gap:5px;box-shadow:0 18px 44px #0005}.soil-float small{font-size:9px;color:#bca7af;font-weight:bold;letter-spacing:.07em}.soil-float strong{font-size:15px;color:#fff}.soil-float span:not(.soil-indicator){font-size:11px;color:#c6b6ba}.soil-float-top{right:0;top:75px}.soil-float-bottom{bottom:64px;left:0}.soil-orbit-label{font-size:10px;letter-spacing:.25em;position:absolute;right:-14px;bottom:65px;color:#dbb2b8;writing-mode:vertical-rl}.soil-hero-bottom{border-top:1px solid #ffffff30;display:flex;gap:25px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:21px 0;color:#ecdddf;font-size:12px}.soil-hero-bottom>span{color:#ff6578;font-size:10px;font-weight:800;letter-spacing:.18em}.soil-hero-bottom a{color:#ffc1c8;font-weight:bold}.soil-theme-toggle{white-space:nowrap;border:1px solid #e4c7cc;border-radius:30px;padding:8px 12px;display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#9c2533;background:#fff}.soil-theme-icon{font-size:17px}
html[data-theme=dark] body{background:#17181f;color:#f4f0f2}html[data-theme=dark] header{background:#1e1d24ed!important;box-shadow:0 2px 20px #0005}html[data-theme=dark] header .navigation a,html[data-theme=dark] [data-mobile-menu] a{color:#f2edf0}html[data-theme=dark] header .navigation .verify-nav{color:#fff}html[data-theme=dark] .bg-white,html[data-theme=dark] .bg-slate-50{background-color:#25242b!important}html[data-theme=dark] .text-slate-500,html[data-theme=dark] .text-slate-600,html[data-theme=dark] .text-slate-800{color:#c4bdc3!important}html[data-theme=dark] .border-slate-200{border-color:#49424b!important}html[data-theme=dark] .bg-red-50{background:#493039!important}html[data-theme=dark] input,html[data-theme=dark] textarea,html[data-theme=dark] select{background:#282731;color:white;border-color:#55505b}html[data-theme=dark] .soil-theme-toggle{background:#38313b;color:white;border-color:#65515d}
html[data-theme=light] body{background:#fff;color:#26232a}html[data-theme=light] .soil-hero{background:radial-gradient(ellipse at 78% 40%,#f2cdd2aa,transparent 48%),linear-gradient(110deg,#fffaf8,#f4ebed 70%,#eddcdb);color:#34272c}html[data-theme=light] .soil-hero h1{color:#30252a}html[data-theme=light] .soil-hero h1 span{color:#ba2736}html[data-theme=light] .soil-eyebrow{color:#a0283a;border-color:#d9a8b2}html[data-theme=light] .soil-hero-copy>p,html[data-theme=light] .soil-hero-benefits{color:#5d4c54}html[data-theme=light] .soil-btn-outline{color:#4e3c42;border-color:#b69aa2}html[data-theme=light] .soil-hero-benefits,html[data-theme=light] .soil-hero-bottom{border-color:#bca9ae}html[data-theme=light] .soil-hero-bottom{color:#6c555d}html[data-theme=light] .soil-hero-bottom a{color:#a52030}html[data-theme=light] .soil-visual-ring{background:#3c2630}html[data-theme=light] .soil-orbit-label{color:#8a4752}
@media(max-width:1023px){.soil-hero-grid{grid-template-columns:1fr;gap:0;padding-top:55px}.soil-visual{min-height:445px}.soil-visual-ring{width:410px;height:410px}.soil-float-top{right:12%}.soil-float-bottom{left:10%}.soil-orbit-label{right:5%}}@media(max-width:640px){.soil-hero-grid{padding-top:46px;padding-bottom:12px}.soil-hero h1{font-size:clamp(35px,8.1vw,48px)}.soil-hero-copy>p{font-size:14px}.soil-hero-benefits{gap:12px;margin-top:32px}.soil-visual{min-height:360px}.soil-visual-ring{height:320px;width:320px}.soil-float{padding:10px}.soil-float-top{right:0;top:25px}.soil-float-bottom{bottom:10px;left:0}.soil-orbit-label{display:none}.soil-float strong{font-size:12px}.soil-theme-label{display:none}.soil-theme-toggle{padding:7px 10px}.soil-hero-bottom{gap:10px}.soil-btn{font-size:12px;padding:13px 16px}}

/* v1.6: compact Bengali-only headline, English supporting copy */
@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&display=swap');
.soil-hero h1{font-family:'Hind Siliguri',sans-serif;font-size:clamp(38px,3.25vw,56px);font-weight:700;line-height:1.28;letter-spacing:-.038em;margin-top:24px;max-width:610px}
.soil-eyebrow{font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-weight:800;letter-spacing:.07em}
.soil-hero-copy>p{font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:16px;line-height:1.8;max-width:570px;margin-top:25px}
.soil-hero-grid{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:38px}
@media(max-width:1023px){.soil-hero-grid{grid-template-columns:1fr}.soil-hero h1{font-size:clamp(37px,6.8vw,55px)}}
@media(max-width:640px){.soil-hero h1{font-size:clamp(33px,7.9vw,43px);line-height:1.32}.soil-hero-copy>p{font-size:14px}}

/* v1.7: display-only Bengali hero font matched closely to provided heavy headline sample */
.soil-hero h1{font-family:"Anek Bangla",sans-serif;font-weight:800;letter-spacing:-.035em;line-height:1.24;font-size:clamp(38px,3.35vw,58px)}
@media(max-width:1023px){.soil-hero h1{font-size:clamp(36px,6.8vw,55px)}}
@media(max-width:640px){.soil-hero h1{font-size:clamp(33px,8vw,44px);line-height:1.28}}

/* v1.8 Clients, team and Whatsapp */
.aei-clients-home{padding:75px 0 90px;background:#faf7f8}.aei-section-heading{text-align:center;margin-bottom:38px}.aei-section-heading>p{font-size:11px;font-weight:800;color:#BE252E;letter-spacing:.25em}.aei-section-heading h2{font-size:clamp(27px,3.4vw,43px);font-weight:750;margin-top:12px;letter-spacing:-.045em}.aei-all-clients{color:#BE252E;font-size:13px;font-weight:700;display:inline-block;margin-top:15px}.aei-client-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.aei-client-card{background:#fff;border:1px solid #eae2e4;border-radius:15px;padding:25px 17px;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;text-align:center;transition:box-shadow .25s,transform .25s;flex:0 0 auto}.aei-client-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px #411e2918}.aei-client-card img{width:155px;height:68px;object-fit:contain;margin-bottom:17px}.aei-client-card h3{font-size:14px;font-weight:700;line-height:1.45}.aei-client-card a{color:#be252e;font-size:12px;margin-top:15px}.aei-client-placeholder{height:68px;display:grid;place-items:center;font-weight:bold;color:#a99397}.aei-carousel-shell{display:flex;align-items:center;gap:12px}.aei-client-track{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;scrollbar-width:none;flex:1;padding:8px 2px 16px}.aei-client-track::-webkit-scrollbar{display:none}.aei-client-track .aei-client-card{width:clamp(210px,23vw,265px);scroll-snap-align:start}.aei-slide-control{width:38px;height:38px;flex-shrink:0;border:1px solid #e3cfd3;color:#ad2433;border-radius:50%;background:#fff;font-size:27px;line-height:1}.aei-clients-empty{text-align:center;color:#8b7e82}.aei-team-page{padding-top:68px;padding-bottom:92px}.aei-team-section+.aei-team-section{margin-top:86px}.aei-team-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.aei-person-card{border:1px solid #e5dfe1;background:#fff;overflow:hidden;border-radius:26px;box-shadow:0 10px 30px #28171c0f;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}.aei-person-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px #28171c18}.aei-person-photo{height:308px;position:relative;overflow:hidden;background:linear-gradient(180deg,#3fc3cb 0%,#1e8b95 100%)}.aei-person-photo img{width:100%;height:100%;object-fit:cover;object-position:center top}.aei-person-placeholder{display:grid;place-items:center;height:100%;font-size:82px;color:#d1d8db}.aei-role-badge{position:absolute;bottom:16px;left:16px;background:#fff;color:#d12c2f;font-size:12px;font-weight:800;border-radius:9px;padding:9px 14px;box-shadow:0 10px 18px #00000012;text-transform:uppercase}.aei-role-badge.staff{color:#195da8}.aei-person-info{padding:22px 24px 20px;display:flex;flex-direction:column;flex:1}.aei-person-info h3{font-size:19px;font-weight:800;line-height:1.2;color:#12223b}.aei-designation{color:#d12c2f;font-weight:800;font-size:14px;margin-top:8px}.aei-person-bio{font-size:14px;color:#5e6f87;margin-top:16px;line-height:1.85;min-height:138px}.aei-person-footer{margin-top:auto;padding-top:16px;border-top:1px solid #ebe5e6;display:flex;align-items:center;justify-content:space-between;gap:14px}.aei-person-social{display:flex;gap:10px}.aei-person-social a{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:#eef2f6;color:#556477;font-size:16px;font-weight:800;transition:all .2s}.aei-person-social a:hover{background:#1877f2;color:#fff}.aei-person-social .aei-social-wa{color:#128c55;background:#e4f7ea}.aei-person-social .aei-social-wa:hover{background:#1ebe5d;color:#fff}.aei-person-tag{font-size:13px;color:#9d97b3;white-space:nowrap}.aei-floating-whatsapp{position:fixed;bottom:25px;right:25px;z-index:100;display:grid;place-items:center;width:60px;height:60px;border-radius:50%;background:#20c767;color:white;box-shadow:0 8px 28px #135b2b4a;border:3px solid white;transition:transform .2s}.aei-floating-whatsapp:hover{transform:scale(1.08)}html[data-theme=dark] .aei-clients-home{background:#201d24}html[data-theme=dark] .aei-client-card,html[data-theme=dark] .aei-person-card{background:#29252d;border-color:#4d424b}html[data-theme=dark] .aei-person-info h3{color:#fff}html[data-theme=dark] .aei-person-bio{color:#c1b7bc}html[data-theme=dark] .aei-role-badge{background:#fff2f3;color:#be252e}html[data-theme=dark] .aei-role-badge.staff{background:#eff6ff;color:#5284d7}html[data-theme=dark] .aei-person-social a{background:#3c3540;color:#d8cfd4}html[data-theme=dark] .aei-person-social a:hover{background:#1877f2;color:#fff}html[data-theme=dark] .aei-person-tag{color:#c0b6be}html[data-theme=dark] .aei-person-footer{border-color:#433944}html[data-theme=dark] .aei-slide-control{background:#342a34;color:#f4bcc5;border-color:#65515d}@media(max-width:1100px){.aei-client-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.aei-team-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.aei-client-grid,.aei-team-grid{grid-template-columns:repeat(1,minmax(0,1fr));gap:18px}.aei-client-card{min-height:165px;padding:18px 10px}.aei-client-card img{width:120px;height:58px}.aei-person-photo{height:280px}.aei-person-info{padding:18px}.aei-person-info h3{font-size:18px}.aei-person-bio{min-height:auto}.aei-person-footer{flex-wrap:wrap}.aei-slide-control{width:30px;height:30px}.aei-floating-whatsapp{right:14px;bottom:16px;width:54px;height:54px}}@media(max-width:420px){.aei-person-photo{height:240px}.aei-person-tag{width:100%;text-align:right}}

/* v2.0 AEI laboratory showcase */
.aei-lab-hero{background:linear-gradient(114deg,#1f1b23 0%,#35242c 55%,#66333e 100%);color:white;overflow:hidden}.aei-lab-intro{display:grid;grid-template-columns:1.12fr .88fr;min-height:390px;align-items:center;gap:40px;padding-top:55px;padding-bottom:55px}.aei-lab-eyebrow{letter-spacing:.21em;color:#e77686;font-weight:800;font-size:11px}.aei-lab-intro h1{font-size:clamp(40px,5vw,68px);font-weight:850;line-height:1.13;max-width:660px;margin:16px 0 21px;letter-spacing:-.045em}.aei-lab-intro h1 span{color:#f0a8b0}.aei-lab-intro p:not(.aei-lab-eyebrow){color:#e1d2d5;max-width:600px;line-height:1.85}.aei-lab-pills{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}.aei-lab-pills span{border:1px solid #79545d;border-radius:999px;padding:8px 13px;font-size:11px;color:#f7dcdf}.aei-lab-hero-art{display:flex;justify-content:center;align-items:center}.lab-illustration{width:min(100%,360px);height:275px;position:relative;border:1px solid #94636c;border-radius:48% 52% 42% 46%;background:radial-gradient(circle at center,#53313b,#2b242d);overflow:hidden;box-shadow:0 0 0 25px #ffffff08}.lab-tower{position:absolute;left:47%;top:29px;width:13px;height:190px;border-left:4px solid #efb9b4;border-right:4px solid #efb9b4;transform:perspective(200px) rotateX(10deg);z-index:3}.lab-tower:before{content:'';position:absolute;left:-62px;top:110px;width:130px;border-top:4px solid #efb9b4;transform:rotate(-5deg)}.lab-cylinder{position:absolute;z-index:4;left:calc(47% - 2px);top:138px;width:23px;height:37px;background:#d4a185;border:2px solid #f5c4a8;border-radius:3px}.lab-soil-layer{position:absolute;left:-15%;width:130%;height:80px;border-radius:43%;transform:rotate(-5deg)}.layer-a{top:170px;background:#b88267}.layer-b{top:207px;background:#78594c}.layer-c{top:242px;background:#423b48}.lab-mark{position:absolute;right:18px;top:22px;font:700 10px system-ui;letter-spacing:3px;color:#f6b2bb}.aei-lab-main{padding-top:75px;padding-bottom:90px}.aei-lab-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:27px}.aei-lab-heading h2{font-size:clamp(28px,3.5vw,43px);font-weight:800;margin:8px 0 10px}.aei-lab-heading p:not(.aei-lab-eyebrow){max-width:720px;color:#687082;line-height:1.8}.aei-lab-contact{background:#be252e;color:white!important;border-radius:12px;font-weight:750;padding:14px 19px;white-space:nowrap}.aei-lab-filters{display:flex;gap:8px;overflow-x:auto;margin:23px 0 33px;padding-bottom:3px}.aei-lab-filters button{border:1px solid #e8dadd;border-radius:999px;white-space:nowrap;padding:9px 16px;font-size:13px;font-weight:700}.aei-lab-filters button.active{background:#be252e;color:white;border-color:#be252e}.aei-lab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.aei-lab-card{border:1px solid #e7dee1;border-radius:19px;overflow:hidden;background:white;box-shadow:0 6px 22px #27192308;transition:transform .2s,box-shadow .2s}.aei-lab-card:hover{transform:translateY(-4px);box-shadow:0 15px 36px #27192315}.aei-lab-card[hidden]{display:none}.aei-lab-photo{height:210px;position:relative;background:linear-gradient(135deg,#f6eff0,#eee6e5);overflow:hidden}.aei-lab-photo img{width:100%;height:100%;object-fit:cover}.aei-lab-placeholder{height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#bc7180;gap:6px}.aei-lab-placeholder svg{height:126px;max-width:150px}.aei-lab-placeholder span{font-weight:750;font-size:10px;letter-spacing:.27em}.aei-lab-category{position:absolute;bottom:13px;left:14px;background:#ffffffed;border:1px solid #eedbde;border-radius:999px;font-size:10px;padding:7px 12px;color:#ab2a39;font-weight:800;letter-spacing:.05em}.aei-lab-card-content{padding:25px}.aei-lab-card-content h3{font-size:19px;line-height:1.4;font-weight:800;margin-bottom:10px;color:#29212a}.aei-lab-card-content p{color:#647084;line-height:1.7;font-size:14px}.aei-lab-test{border-top:1px solid #f0e7e9;margin-top:20px;padding-top:16px;display:flex;flex-direction:column;gap:5px;font-size:12px;line-height:1.6;color:#7f6065}.aei-lab-test b{font-size:10px;color:#c02e40;text-transform:uppercase;letter-spacing:.09em}.aei-lab-note{margin-top:48px;padding:25px 29px;border-left:4px solid #be252e;background:#f9f3f4;border-radius:0 15px 15px 0}.aei-lab-note p{color:#74626a;margin-top:8px;font-size:13px;line-height:1.7}
html[data-theme=dark] .aei-lab-card{background:#2c252e;border-color:#51424a}html[data-theme=dark] .aei-lab-card-content h3{color:#f8eff2}html[data-theme=dark] .aei-lab-card-content p,html[data-theme=dark] .aei-lab-heading p:not(.aei-lab-eyebrow){color:#c8b8c0}html[data-theme=dark] .aei-lab-note{background:#34272e}html[data-theme=dark] .aei-lab-note p{color:#d6c0c6}html[data-theme=dark] .aei-lab-filters button{border-color:#6e5860}html[data-theme=dark] .aei-lab-filters button.active{border-color:#be252e}
@media(max-width:900px){.aei-lab-intro{grid-template-columns:1fr}.aei-lab-hero-art{display:none}.aei-lab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.aei-lab-grid{grid-template-columns:1fr}.aei-lab-heading{align-items:start;flex-direction:column}.aei-lab-intro{min-height:unset;padding-top:65px;padding-bottom:65px}}

/* v2.1: refined Bengali project title styling */
.project-bangla{font-family:'Anek Bangla',system-ui,sans-serif;font-weight:800;letter-spacing:-.025em;}
[data-theme="dark"] .project-bangla{letter-spacing:-.02em;}

/* v2.3: Team card hardening and responsive premium layout */
.aei-team-page .aei-team-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:26px}
.aei-team-page .aei-person-card{border-radius:26px;max-width:390px;width:100%;min-height:560px;margin:0 auto;display:flex;flex-direction:column;overflow:hidden}
.aei-team-page .aei-person-photo{height:300px;flex-shrink:0}
.aei-team-page .aei-person-info{display:flex;flex:1;flex-direction:column;min-height:255px;padding:24px}
.aei-team-page .aei-person-bio{min-height:0;margin-bottom:22px}
.aei-team-page .aei-person-footer{margin-top:auto;min-height:50px}
html[data-theme=dark] .aei-team-page .aei-person-card{background:#29252d;border-color:#4d424b}
@media(max-width:1000px){.aei-team-page .aei-team-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.aei-team-page .aei-team-grid{grid-template-columns:1fr}.aei-team-page .aei-person-card{min-height:0}.aei-team-page .aei-person-photo{height:280px}.aei-team-page .aei-person-info{min-height:240px}}

/* AEI Soil Spectrum About Page v2.4 */
.aei-about-hero{padding:90px 0 94px;color:#fff}.aei-about-hero-grid{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:70px}.aei-about-kicker,.aei-about-eyebrow{font-size:11px;letter-spacing:.22em;font-weight:900;color:#ff6574}.aei-about-hero h1{font-size:clamp(36px,5vw,69px);font-weight:850;line-height:1.1;letter-spacing:-.05em;max-width:820px;margin:24px 0}.aei-about-hero p:not(.aei-about-kicker){max-width:640px;color:#d7cbd0;line-height:1.8;font-size:16px}.aei-about-cta{display:inline-block;background:#be252e;border-radius:12px;color:#fff;font-weight:800;margin-top:30px;padding:15px 24px}.aei-about-symbol{height:310px;position:relative;border:1px solid #704753;border-radius:36px;background:radial-gradient(circle at 50% 45%,#6c3946,#2b2229 64%);overflow:hidden;display:grid;place-items:center}.aei-about-symbol:before{content:'';position:absolute;width:225px;height:225px;border:1px dashed #aa7885;border-radius:50%;box-shadow:0 0 0 35px #ffffff05,0 0 0 70px #ffffff05}.aei-about-borehole{position:relative;width:100px;height:205px;display:flex;flex-direction:column;justify-content:end;gap:3px;align-items:center}.aei-about-borehole:before{content:'';height:190px;width:4px;background:#fff;position:absolute;top:0;left:49px}.aei-about-borehole span{position:absolute;top:6px;right:-20px;font-size:12px;color:#fff}.aei-about-borehole i{width:128px;height:28px;display:block;border-radius:40% 40% 0 0;background:#b98263}.aei-about-borehole i:nth-of-type(2){background:#8d6551}.aei-about-borehole i:nth-of-type(3){background:#674e49}.aei-about-borehole i:nth-of-type(4){background:#483f48}.aei-about-horizon{position:absolute;bottom:22px;font-size:10px;letter-spacing:.15em;color:#e5bdc7}.aei-about-horizon b{color:#fe667b}.aei-about-impact{background:linear-gradient(135deg,#201d24,#40252e);color:#fff;padding:85px 0}.aei-about-section-title{text-align:center;max-width:760px;margin:0 auto 38px}.aei-about-section-title span,.aei-about-values article>span,.aei-about-note span{font-size:11px;letter-spacing:.22em;font-weight:900;color:#ef5b6c}.aei-about-section-title h2{font-size:clamp(27px,3.6vw,44px);font-weight:800;letter-spacing:-.04em;margin:15px 0}.aei-about-section-title p{color:#d4c5ca}.aei-about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.aei-about-stats article{border:1px solid #ffffff2e;background:#ffffff0a;border-radius:22px;padding:28px 20px;text-align:center;display:flex;align-items:center;flex-direction:column}.aei-about-stat-icon{width:46px;height:46px;background:#bc334b30;color:#ff8996;border-radius:14px;display:grid;place-items:center;font-size:22px}.aei-about-stats strong{font-size:clamp(36px,4.7vw,58px);font-weight:850;margin:8px 0}.aei-about-stats article span{font-weight:700;font-size:14px}.aei-about-content{padding-top:85px;padding-bottom:90px}.aei-about-intro{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:start;margin-bottom:55px}.aei-about-intro h2{font-size:clamp(28px,3.5vw,43px);font-weight:850;line-height:1.16;margin-top:15px}.aei-about-intro p:not(.aei-about-eyebrow){color:#617086;font-size:16px;line-height:1.9}.aei-about-values{display:grid;grid-template-columns:1fr 1fr;gap:24px}.aei-about-values article{background:#fff;border:1px solid #e8e2e4;border-radius:23px;padding:34px;box-shadow:0 12px 35px #27171b08}.aei-about-icon{font-size:22px;font-weight:900;color:#be252e;margin-bottom:22px}.aei-about-values h3{font-size:clamp(23px,2.5vw,32px);font-weight:820;margin:15px 0 20px}.aei-about-values p{color:#64748b;line-height:1.8}.aei-about-note{margin-top:26px;padding:30px;border-radius:22px;border:1px solid #eadce1;background:#faf4f5;display:flex;justify-content:space-between;align-items:center;gap:20px}.aei-about-note h3{font-size:23px;font-weight:850;margin:10px 0}.aei-about-note p{color:#64748b;line-height:1.75;max-width:750px}.aei-about-note a{white-space:nowrap;color:#be252e;font-weight:800}html[data-theme=dark] .aei-about-values article{background:#29252d;border-color:#4d424b}html[data-theme=dark] .aei-about-intro p:not(.aei-about-eyebrow),html[data-theme=dark] .aei-about-values p,html[data-theme=dark] .aei-about-note p{color:#c7bfc4}html[data-theme=dark] .aei-about-note{background:#30252c;border-color:#59434c}@media(max-width:760px){.aei-about-hero{padding:62px 0}.aei-about-hero-grid,.aei-about-intro,.aei-about-values{grid-template-columns:1fr;gap:28px}.aei-about-symbol{height:230px}.aei-about-impact{padding:56px 0}.aei-about-stats{gap:9px}.aei-about-stats article{padding:16px 7px;border-radius:14px}.aei-about-stats strong{font-size:32px}.aei-about-stats article span{font-size:11px}.aei-about-content{padding-top:55px}.aei-about-note{flex-direction:column;align-items:start}.aei-about-values article{padding:24px}}


/* v2.5 Contact page */
.contact-hero{background:linear-gradient(90deg,#1f1a25 0%,#2b1f2b 48%,#613040 100%);color:#fff;padding:5rem 0 3.5rem}
.contact-hero .container-site{text-align:center;max-width:1080px}
.contact-eyebrow{color:#f46873;font-size:.72rem;letter-spacing:.28em;font-weight:800}
.contact-hero h1{font-size:clamp(2.35rem,5vw,4rem);font-weight:800;line-height:1.05;margin-top:.65rem}
.contact-hero p{max-width:720px;margin:1.15rem auto 0;color:rgba(255,255,255,.8);line-height:1.85}
.contact-office-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;padding:3rem 0}
.office-card{background:var(--panel);border:1px solid var(--line);border-radius:1.55rem;overflow:hidden;box-shadow:0 20px 60px rgba(15,23,42,.08)}
.office-card-top{padding:2rem}
.office-badge{display:inline-flex;align-items:center;background:#f9edef;color:#b72d37;border:1px solid rgba(190,37,46,.16);padding:.48rem .9rem;border-radius:999px;font-size:.72rem;letter-spacing:.18em;font-weight:800;text-transform:uppercase}
.office-card h2{margin:1rem 0 1.35rem;font-size:2rem;line-height:1.1;font-weight:800;color:var(--heading)}
.office-meta{display:grid;gap:1rem}
.office-meta span{display:block;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:#9d9aa6;font-weight:800;margin-bottom:.32rem}
.office-meta strong{display:block;color:var(--heading);font-size:1rem;line-height:1.75;font-weight:700}
.office-actions{margin-top:1.55rem}
.office-actions a{display:inline-flex;align-items:center;justify-content:center;padding:.95rem 1.2rem;border:1px solid var(--line);border-radius:1rem;font-weight:700;color:var(--heading);background:#fff}
[data-theme='dark'] .office-actions a{background:rgba(255,255,255,.04)}
.office-card iframe,.office-map-placeholder{display:block;width:100%;height:250px;border:0}
.office-map-placeholder{display:grid;place-items:center;background:linear-gradient(135deg,rgba(190,37,46,.12),rgba(78,91,235,.08));color:var(--muted);font-weight:700}
.contact-bottom-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.95fr);gap:1.5rem;padding:1rem 0 5rem}
.contact-form-panel,.contact-company-card{background:var(--panel);border:1px solid var(--line);border-radius:1.55rem;padding:2rem;box-shadow:0 16px 44px rgba(15,23,42,.06)}
.contact-panel-eyebrow{color:#d13b43;font-size:.72rem;letter-spacing:.28em;font-weight:800;margin-bottom:.95rem}
.contact-form-panel h2{font-size:2.2rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem;color:var(--heading)}
.contact-company-card h3{font-size:1.8rem;font-weight:800;color:var(--heading)}
.contact-company-copy{color:var(--heading);font-weight:700;margin-top:.85rem}
.contact-company-desc{margin-top:1rem;color:var(--muted);line-height:1.9}
.contact-company-line{padding-top:1.2rem;margin-top:1.2rem;border-top:1px solid var(--line)}
.contact-company-line span{display:block;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:#9d9aa6;font-weight:800;margin-bottom:.35rem}
.contact-company-line strong{color:var(--heading);font-size:1rem}
@media (max-width:1024px){.contact-office-grid,.contact-bottom-grid{grid-template-columns:1fr}}
@media (max-width:640px){.contact-hero{padding:4rem 0 3rem}.office-card-top,.contact-form-panel,.contact-company-card{padding:1.35rem}.office-card h2{font-size:1.55rem}.contact-form-panel h2{font-size:1.9rem}.office-card iframe,.office-map-placeholder{height:220px}}

/* Mobile application navigation v2.6 */
.aei-app-nav,.aei-app-backdrop,.aei-app-more{display:none}
@media(max-width:1023px){
 html{scroll-padding-bottom:110px}body{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px));overflow-x:hidden}
 .container-site{width:min(100% - 32px,1200px);max-width:100%}
 header .container-site{min-height:64px;height:64px}header [data-menu-toggle],header [data-mobile-menu]{display:none!important}
 .site-logo{max-height:48px!important;max-width:min(48vw,190px);object-fit:contain}
 .aei-app-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;bottom:0;left:0;right:0;z-index:120;min-height:70px;padding:8px 8px calc(7px + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.97);border-top:1px solid #eadfe4;box-shadow:0 -12px 32px #1e18201c;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
 .aei-app-tab{border:0;background:transparent;min-width:0;min-height:55px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;color:#74717d;text-decoration:none;font-weight:750;font-size:10px;line-height:1.2;border-radius:13px}
 .aei-app-tab svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
 .aei-app-tab.active{color:#b92033;background:#fbf0f1}
 .aei-app-tab:focus-visible{outline:2px solid #be252e;outline-offset:-2px}
 .aei-app-report{color:#b92033;position:relative;font-weight:900}
 .aei-report-circle{background:#be252e;color:white;width:43px;height:43px;border-radius:14px;display:grid;place-items:center;margin-top:-20px;box-shadow:0 8px 20px #b9203360;border:3px solid white}
 .aei-app-report.active{background:transparent}
 .aei-app-backdrop{position:fixed;display:block;inset:0;background:rgba(15,10,18,.55);z-index:125;opacity:0;transition:opacity .25s;pointer-events:none}
 .aei-app-backdrop.open{opacity:1;pointer-events:auto}.aei-app-backdrop[hidden]{display:none}
 .aei-app-more{display:block;position:fixed;z-index:130;bottom:0;left:0;right:0;background:#fff;color:#1f2232;border-radius:26px 26px 0 0;padding:22px 20px calc(27px + env(safe-area-inset-bottom,0px));box-shadow:0 -15px 50px #0004;transform:translateY(110%);transition:transform .28s ease;max-height:82dvh;overflow-y:auto;visibility:hidden}
 .aei-app-more.open{transform:translateY(0);visibility:visible}.aei-app-more-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.aei-app-more-head small{color:#be252e;letter-spacing:.18em;font-weight:800;font-size:10px}.aei-app-more-head h2{font-size:24px;font-weight:850}.aei-app-more-head button{background:#f5edf0;border-radius:12px;width:40px;height:40px;font-size:18px}.aei-app-more-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.aei-app-more-links a{border:1px solid #efe5e7;background:#faf7f8;display:flex;align-items:center;justify-content:space-between;padding:17px 13px;border-radius:15px;font-weight:750;font-size:13px;color:#2d2832;text-decoration:none}.aei-app-more-links b{color:#be252e}.aei-app-more-note{font-size:11px;color:#847682;padding-top:22px}
 body.app-more-open{overflow:hidden}
 .aei-floating-whatsapp{bottom:calc(87px + env(safe-area-inset-bottom,0px));width:48px;height:48px;right:14px;z-index:115}
 .soil-hero-grid,.aei-lab-intro,.aei-about-intro,.aei-about-values,.aei-about-note,.contact-bottom-grid,.contact-office-grid{grid-template-columns:1fr!important}
 .soil-hero-copy h1{font-size:clamp(2.1rem,9vw,3.7rem);line-height:1.17}.soil-visual{max-width:100%;min-width:0}.soil-hero-actions{flex-wrap:wrap}
 .aei-team-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.aei-client-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .aei-person-photo{height:clamp(175px,28vw,290px)}
 .project-detail-layout{grid-template-columns:1fr!important}
 section,article,main,aside{min-width:0}img,iframe,video{max-width:100%}table{max-width:100%}
}
@media(max-width:640px){
 .aei-team-grid,.aei-client-grid{grid-template-columns:1fr}.aei-person-photo{height:270px}.aei-person-bio{min-height:auto}
 .soil-hero{padding-top:25px}.soil-hero-copy h1{font-size:clamp(2rem,9.2vw,3rem)}
 .contact-office-grid{padding-top:22px}.contact-hero{padding:42px 0}.contact-office-grid,.contact-bottom-grid{gap:16px}
 .aei-lab-grid{grid-template-columns:1fr!important}.aei-client-track .aei-client-card{width:78vw;max-width:280px}
 .office-card,.contact-form-panel,.contact-company-card{border-radius:18px}
 .aei-app-more-links{gap:8px}.aei-app-more-links a{padding:15px 11px}
}
@media(max-width:360px){.aei-app-tab{font-size:9px}.aei-app-nav{padding-left:2px;padding-right:2px}}
@media(prefers-reduced-motion:reduce){.aei-app-more,.aei-app-backdrop{transition:none}}
html[data-theme=dark] .aei-app-nav{background:rgba(33,28,35,.97);border-color:#57434a}html[data-theme=dark] .aei-app-tab{color:#ddd3d5}html[data-theme=dark] .aei-app-tab.active{color:#ffabb7;background:#4b2d34}html[data-theme=dark] .aei-app-report{color:#ffb0bb}html[data-theme=dark] .aei-report-circle{border-color:#211c23}html[data-theme=dark] .aei-app-more{background:#29232b;color:white}html[data-theme=dark] .aei-app-more-links a{background:#38313b;border-color:#57434a;color:white}html[data-theme=dark] .aei-app-more-head button{background:#48353d;color:white}