:root{--sage:#3e6253;--deep:#244438;--ivory:#f8f5ed;--paper:#fffdf8;--mist:#e8efea;--sand:#eee6d6;--gold:#b87818;--ink:#303631}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ivory);color:var(--ink);font-family:Inter,"Noto Sans Tamil",sans-serif;line-height:1.72}
h1,h2,h3{font-family:"Cormorant Garamond","Noto Serif Tamil",serif;line-height:1.1;margin:.2em 0 .55em}h1{font-size:clamp(2.7rem,6vw,5.4rem)}h2{font-size:clamp(2rem,4vw,3.4rem)}h3{font-size:1.5rem}
header{min-height:92px;position:sticky;top:0;z-index:40;background:#fffdf8f7;border-bottom:1px solid #ddd6c7;display:flex;align-items:center;padding:8px 4vw;gap:20px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto;text-decoration:none;color:var(--ink)}.brand img{width:72px;height:64px;object-fit:contain}.brand strong,.brand small{display:block}.brand strong{font-family:"Cormorant Garamond","Noto Serif Tamil",serif;font-size:1.08rem}.brand small{font-size:.62rem}
nav{display:flex;gap:15px}nav a{color:var(--ink);text-decoration:none;font-size:.8rem}.switch{border:1px solid var(--gold);color:var(--deep);padding:8px 11px;text-decoration:none;font-weight:600}.donate{background:var(--gold);color:white;border:0;padding:10px 16px;text-decoration:none}.menu{display:none;border:0;background:none;font-size:1.4rem}
.hero{height:calc(100vh - 92px);min-height:590px;position:relative;color:#fff;overflow:hidden}.slides,.slide,.shade{position:absolute;inset:0}.slide{opacity:0;transition:opacity 1.5s;background-size:cover;background-position:center}.slide.active{opacity:1}.s1{background-image:url("images/hero-01-nature.jpg")}.s2{background-image:url("images/hero-02-heritage.png")}.s3{background-image:url("images/hero-03-water.png")}.s4{background-image:url("images/hero-04-service.png")}.shade{background:linear-gradient(90deg,#173328dc,#17332825)}.heroText{position:absolute;left:8vw;bottom:15%;max-width:900px}.heroText p{font-size:1.08rem}.outline{display:inline-block;color:#fff;border:1px solid #ffffffc9;text-decoration:none;padding:10px 16px;margin-top:15px}.dots{position:absolute;left:8vw;bottom:6%;display:flex;gap:8px}.dots button{width:7px;height:7px;border:0;border-radius:50%;background:#ffffff66}.dots .on{background:#fff}
.section{padding:92px 8vw}.kicker{font-size:.72rem;letter-spacing:.17em;font-weight:700;color:var(--gold);text-transform:uppercase}.two{display:grid;grid-template-columns:1fr 1fr;gap:8vw;align-items:center}.vision{display:grid;grid-template-columns:1fr 1fr;gap:3vw;background:var(--mist)}.vision article{border-left:2px solid var(--gold);padding:28px}.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:35px}.cards article{background:var(--paper);padding:25px 20px;min-height:245px;border-top:2px solid transparent}.cards article:hover{border-color:var(--gold)}
.approach{background:var(--deep);color:white}.approachGrid{display:grid;grid-template-columns:1.1fr .9fr;gap:7vw;align-items:center}.approach .kicker{color:#e4bd79}.approach img{width:100%;background:white;border-radius:4px;padding:10px}.note{font-size:.82rem;opacity:.78}
.profile{display:grid;grid-template-columns:330px 1fr;gap:6vw;align-items:start}.profile img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center;border-radius:3px}.profileFacts{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.profileFacts span{background:var(--mist);padding:7px 10px;font-size:.8rem}.trustees{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}.trustee{background:var(--paper);padding:20px}.avatar{height:190px;background:var(--mist);display:grid;place-items:center;color:#698074;font-size:2rem;margin-bottom:16px}
.projects{background:var(--paper)}.projectGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.projectGrid article{background:var(--ivory);padding:24px;border-top:3px solid var(--sage)}.tag{font-size:.7rem;letter-spacing:.1em;color:var(--gold);font-weight:700}.transparency{display:grid;grid-template-columns:1fr 1fr;gap:8vw;background:var(--mist)}.links{display:grid}.links a{padding:15px 0;border-bottom:1px solid #bcc8c1;color:var(--ink);text-decoration:none}.support{display:flex;justify-content:space-between;align-items:center;gap:40px}.support>div{max-width:800px}
footer{background:var(--sage);color:#fff;padding:58px 8vw;display:grid;grid-template-columns:2fr 1fr;gap:40px}footer img{width:110px;background:#fff;border-radius:3px}footer small{grid-column:1/-1;border-top:1px solid #ffffff33;padding-top:18px;opacity:.75}
@media(max-width:1050px){nav{display:none;position:absolute;top:92px;left:0;right:0;background:var(--paper);padding:20px 6vw;flex-direction:column}.menu{display:block}.cards{grid-template-columns:repeat(2,1fr)}.trustees{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){header{min-height:78px}.brand img{width:50px;height:48px}.brand small{display:none}.brand strong{font-size:.78rem}.hero{height:78vh}.section{padding:65px 7vw}.two,.vision,.approachGrid,.profile,.transparency,footer{grid-template-columns:1fr}.cards,.trustees,.projectGrid{grid-template-columns:1fr}.profile img{max-width:330px}.support{align-items:flex-start;flex-direction:column}.switch{font-size:.75rem;padding:7px}.donate{padding:8px}.heroText{left:7vw;right:7vw}}

/* V3 expanded project review */
.featuredProjects{display:grid;gap:28px;margin-top:34px}.featureProject{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:34px;padding:34px;border:1px solid rgba(47,79,54,.16);border-radius:24px;background:#fff;box-shadow:0 12px 40px rgba(38,54,40,.06)}.featureProject h3{font-size:clamp(1.55rem,2.5vw,2.3rem);margin:14px 0}.featureProject p{line-height:1.75}.projectMotif{min-height:340px;border-radius:20px;background:linear-gradient(150deg,rgba(36,77,50,.96),rgba(75,111,67,.88)),url('images/hero-02-heritage.png') center/cover;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;color:#fff}.projectMotif span{letter-spacing:.18em;font-size:.76rem}.projectMotif b{font-family:'Cormorant Garamond',serif;font-size:2.5rem;line-height:.95;margin:10px 0 18px}.projectMotif small{opacity:.86}.photoPlaceholder{margin-top:24px;padding:22px;border:1px dashed rgba(47,79,54,.35);border-radius:16px;background:#f7f5ed;display:flex;gap:12px;flex-direction:column}.waterCycle{align-self:stretch;border-radius:20px;padding:28px;background:linear-gradient(180deg,#eef6f0,#f9f6ea);text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center}.waterCycle>div:not(.branches):not(.arrow){width:min(100%,330px);padding:12px 16px;border-radius:999px;border:1px solid #9db9a1;background:#fff;font-weight:600}.waterCycle .tank{border-radius:20px!important;background:#315d42!important;color:white!important;padding:22px!important}.waterCycle .tank small{display:block;font-weight:400;opacity:.8;margin-top:4px}.waterCycle .arrow{padding:4px;color:#8a6a2c;font-size:1.35rem}.branches{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;width:100%;margin:12px 0}.branches span{padding:12px 5px;background:#fff;border:1px solid #d6d8c7;border-radius:12px;font-size:.8rem}.waterCycle p{font-size:.78rem;opacity:.7;margin:12px 0 0}.projectGrid.compact{grid-template-columns:repeat(2,1fr);margin-top:28px}@media(max-width:850px){.featureProject{grid-template-columns:1fr}.projectMotif{min-height:260px}.projectGrid.compact{grid-template-columns:1fr}}

.contact{background:var(--paper)}.contactGrid{display:grid;grid-template-columns:.8fr 1.2fr;gap:7vw}.enquiry{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:var(--ivory);padding:28px}.enquiry label{display:flex;flex-direction:column;font-size:.82rem;font-weight:600;gap:6px}.enquiry label:nth-last-of-type(3),.enquiry label:nth-last-of-type(2),.enquiry .consent{grid-column:1/-1}.enquiry input,.enquiry select,.enquiry textarea{width:100%;border:1px solid #c9c5b9;background:#fff;padding:11px;font:inherit}.enquiry textarea{resize:vertical}.enquiry .consent{flex-direction:row;align-items:flex-start;font-weight:400}.enquiry .consent input{width:auto;margin-top:5px}.enquiry button{grid-column:1/-1;padding:12px;border:0;background:var(--sage);color:#fff;opacity:.62}.enquiry .note{grid-column:1/-1;margin:0}
@media(max-width:720px){.contactGrid,.enquiry{grid-template-columns:1fr}.enquiry label,.enquiry label:nth-last-of-type(3),.enquiry label:nth-last-of-type(2),.enquiry .consent,.enquiry button,.enquiry .note{grid-column:1}}

.approachEvidence{background:#f7f5ed}.approachEvidence .lead{max-width:900px;font-size:1.12rem;line-height:1.75}
.earthVisual{margin:30px 0 20px}.earthVisual img{display:block;width:100%;height:auto;border-radius:14px;box-shadow:0 10px 30px rgba(37,55,42,.12)}
.earthSummary{max-width:1040px;margin:0 auto;padding:22px 8px}.earthSummary p,.researchContext p{line-height:1.8}
.researchBridge{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;margin:22px auto 34px;padding:18px 22px;max-width:1050px;background:#fff;border:1px solid #d9d4c4;border-radius:12px;font-weight:650;text-align:center}
.researchBridge b{font-size:1.25rem;color:var(--sage)}.researchContext{max-width:1040px;margin:0 auto;background:#fff;padding:28px;border-left:4px solid var(--sage);border-radius:8px}
@media(max-width:720px){.researchBridge{flex-direction:column}.researchBridge b{transform:rotate(90deg)}.earthSummary,.researchContext{padding:18px}}

.enquiry .hp{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}.enquiry button{opacity:1;cursor:pointer}.formStatus{max-width:760px;margin:110px auto;padding:32px;background:var(--ivory);text-align:center}.formStatus a{color:var(--sage);font-weight:700}