:root{--green:#188640;--deep:#0b3f2b;--light:#e9f6df;--soft:#f6f4ee;--ink:#17211b;--muted:#647067;--line:#e2eadf}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}h1,h2,h3,p{word-break:keep-all}.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:88px;padding:0 6vw;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid rgba(18,75,44,.10);box-shadow:0 10px 30px rgba(13,55,33,.08)}.brand{display:flex;align-items:center;background:#fff;border-radius:0;padding:0}.brand img{height:58px;width:auto;display:block;object-fit:contain}.nav{display:flex;gap:30px;align-items:center;font-size:15px;font-weight:700}.nav a{color:#26332c}.nav-cta{background:var(--green);color:white!important;padding:11px 18px;border-radius:999px}.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}.menu-toggle span{width:22px;height:2px;background:var(--deep);border-radius:99px;transition:.2s}.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-toggle.is-open span:nth-child(2){opacity:0}.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.hero{min-height:780px;position:relative;display:flex;align-items:center;padding:140px 7vw 90px;background:url('assets/hero-forest.jpg') center/cover no-repeat}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,38,23,.82),rgba(5,38,23,.48),rgba(5,38,23,.12))}.hero-content{position:relative;z-index:2;max-width:850px;color:white}.eyebrow{letter-spacing:.12em;font-size:13px;font-weight:800;text-transform:uppercase;margin:0 0 18px}.eyebrow.green{color:var(--green)}h1{font-size:clamp(40px,6vw,78px);line-height:1.1;margin:0 0 24px;font-weight:800;letter-spacing:-.06em}h2{font-size:clamp(30px,4vw,52px);line-height:1.15;margin:0 0 22px;letter-spacing:-.055em}h3{font-size:22px;margin:0 0 12px;letter-spacing:-.04em}.hero-desc{font-size:22px;line-height:1.65;max-width:720px;color:rgba(255,255,255,.9);margin:0 0 38px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{padding:15px 24px;border-radius:999px;font-weight:800}.btn.primary{background:#fff;color:var(--deep)}.btn.secondary{border:1px solid rgba(255,255,255,.55);color:white}.section{padding:110px 7vw}.section-grid{max-width:1180px;margin:0 auto}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.lead{font-size:23px;line-height:1.55;color:var(--deep);font-weight:700}.section p{line-height:1.75;color:var(--muted);font-size:17px}.about-card{position:relative;border-radius:32px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.14);min-height:430px}.about-card img{width:100%;height:430px;object-fit:cover;display:block}.quote-box{position:absolute;left:28px;bottom:28px;background:rgba(255,255,255,.92);padding:22px 24px;border-radius:22px;color:var(--deep);line-height:1.35}.quote-box strong{color:var(--green)}.pillars{max-width:1180px;margin:46px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.pillars article{padding:28px;border:1px solid var(--line);border-radius:26px;background:white}.pillars span{font-size:22px;font-weight:800;color:var(--green)}.pillars p{margin:10px 0 0}.muted{background:var(--soft)}.section-title{max-width:860px;margin:0 auto 52px;text-align:center}.section-title.left{text-align:left;margin-left:0}.mission-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.mission-grid article{background:white;border:1px solid var(--line);border-radius:28px;padding:30px;min-height:270px}.mission-grid b{color:var(--green);font-size:28px}.mission-grid h3{margin-top:26px}.activity-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.activity-card{border:1px solid var(--line);border-radius:32px;overflow:hidden;background:white;box-shadow:0 14px 50px rgba(15,60,34,.08)}.activity-card img{width:100%;height:245px;object-fit:cover;display:block}.activity-card div{padding:28px}.activity-card span{color:var(--green);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase}.timeline{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:3px solid var(--green);padding-top:28px}.timeline div{position:relative;padding:0 18px}.timeline div:before{content:"";position:absolute;top:-38px;left:18px;width:17px;height:17px;background:var(--green);border:5px solid var(--soft);border-radius:50%}.timeline strong{color:var(--deep);display:block;margin-bottom:12px}.timeline span{font-size:15px;line-height:1.6;color:var(--muted)}.impact-row{max-width:1180px;margin:58px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.impact-row div{background:#fff;border-radius:26px;padding:28px;text-align:center}.impact-row b{color:var(--green);font-size:18px}.impact-row p{font-size:15px;margin:12px 0 0}.join{position:relative;overflow:hidden;color:white;background:var(--deep);padding:0}.join-bg{position:absolute;inset:0;background:linear-gradient(rgba(9,58,38,.82),rgba(9,58,38,.86)),url('assets/footer-nature.jpg') center/cover no-repeat}.join-content{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:115px 0}.join h2{max-width:760px}.join p{color:rgba(255,255,255,.82);max-width:760px}.join-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}.join-cards article{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:26px;padding:26px}.join-cards h3{font-size:20px}.join-cards p{font-size:15px;margin:0}.footer{padding:48px 7vw;text-align:center;background:#fff}.footer img{height:54px}.footer p{margin:8px 0;color:var(--muted)}.footer small{color:#8b948e}@media(max-width:980px){.site-header{height:78px;padding:0 22px}.brand{padding:0}.brand img{height:52px}.menu-toggle{display:flex}.nav{position:absolute;top:78px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;gap:0;padding:12px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 24px 60px rgba(13,55,33,.18);font-size:16px}.nav.is-open{display:flex}.nav a{padding:16px 18px;border-radius:14px}.nav a:hover{background:var(--light)}.nav-cta{text-align:center;margin-top:6px;padding:14px 18px}.two-col,.mission-grid,.activity-grid,.pillars,.timeline,.impact-row,.join-cards{grid-template-columns:1fr 1fr}.hero{min-height:680px}.timeline{gap:22px;border-top:0}.timeline div{border-left:3px solid var(--green);padding:0 0 24px 20px}.timeline div:before{top:0;left:-10px}.join-content{padding:90px 7vw}}@media(max-width:640px){.site-header{height:74px}.brand img{height:48px}.nav{top:74px;left:12px;right:12px}.hero{padding:120px 24px 70px;min-height:650px}.hero-desc{font-size:18px}.section{padding:76px 24px}.two-col,.mission-grid,.activity-grid,.pillars,.timeline,.impact-row,.join-cards{grid-template-columns:1fr}.about-card,.about-card img{height:330px;min-height:330px}.mission-grid article{min-height:auto}.activity-card img{height:210px}h1{font-size:40px}.btn{width:100%;text-align:center}.footer img{height:48px}}

/* Enhanced interaction effects - local CSS only */
.brand img{transition:transform .28s ease,filter .28s ease}.brand:hover img{transform:translateY(-1px) scale(1.02)}
.nav a{position:relative;transition:color .22s ease,background .22s ease,transform .22s ease}.nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:0;bottom:-9px;height:2px;background:var(--green);transform:scaleX(0);transform-origin:center;transition:transform .24s ease}.nav a:not(.nav-cta):hover{color:var(--green);transform:translateY(-1px)}.nav a:not(.nav-cta):hover::after{transform:scaleX(1)}.nav-cta{box-shadow:0 12px 28px rgba(24,134,64,.22);transition:transform .22s ease,box-shadow .22s ease,background .22s ease}.nav-cta:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(24,134,64,.30);background:#0f7334}
.btn{transition:transform .22s ease,box-shadow .22s ease,background .22s ease}.btn:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(0,0,0,.20)}.btn.primary:hover{background:#f4fff1}.btn.secondary:hover{background:rgba(255,255,255,.16)}
.about-card,.pillars article,.mission-grid article,.activity-card,.impact-row div,.join-cards article{transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease,background .32s ease}.about-card:hover,.pillars article:hover,.mission-grid article:hover,.activity-card:hover,.impact-row div:hover{transform:translateY(-10px);box-shadow:0 28px 75px rgba(15,60,34,.16);border-color:rgba(24,134,64,.32)}
.pillars article,.mission-grid article,.impact-row div{position:relative;overflow:hidden}.pillars article::before,.mission-grid article::before,.impact-row div::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(24,134,64,.11),rgba(233,246,223,0));opacity:0;transition:opacity .32s ease;pointer-events:none}.pillars article:hover::before,.mission-grid article:hover::before,.impact-row div:hover::before{opacity:1}
.mission-grid article b{display:inline-flex;width:54px;height:54px;align-items:center;justify-content:center;border-radius:18px;background:var(--light);transition:transform .32s ease,background .32s ease,color .32s ease}.mission-grid article:hover b{transform:rotate(-4deg) scale(1.06);background:var(--green);color:white}
.activity-card{position:relative}.activity-card img{transition:transform .55s ease,filter .55s ease}.activity-card:hover img{transform:scale(1.075);filter:saturate(1.08) contrast(1.04)}.activity-card::after{content:"";position:absolute;inset:0;border-radius:32px;box-shadow:inset 0 0 0 0 rgba(24,134,64,.36);transition:box-shadow .32s ease;pointer-events:none}.activity-card:hover::after{box-shadow:inset 0 0 0 2px rgba(24,134,64,.36)}
.join-cards article:hover{transform:translateY(-8px);background:rgba(255,255,255,.18);box-shadow:0 24px 60px rgba(0,0,0,.18)}
.timeline div{transition:transform .28s ease}.timeline div:hover{transform:translateY(-6px)}.timeline div:before{transition:transform .28s ease,box-shadow .28s ease}.timeline div:hover:before{transform:scale(1.18);box-shadow:0 0 0 8px rgba(24,134,64,.12)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;transition-delay:var(--delay,0ms)}.reveal.is-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1!important;transform:none!important}}
@media(max-width:980px){.nav a:not(.nav-cta)::after{display:none}.nav a:not(.nav-cta):hover{transform:none}.about-card:hover,.pillars article:hover,.mission-grid article:hover,.activity-card:hover,.impact-row div:hover,.join-cards article:hover,.timeline div:hover{transform:none}.activity-card:hover img{transform:none}}