:root{
  --green:#16a34a; --green-d:#14532d; --green-l:#22c55e; --lime:#bef264; --lime-d:#84cc16;
  --soft:#f0fdf4; --paper:#ffffff; --ink:#14241a; --muted:#5b6b60; --dark:#0f2417;
  --radius:18px; --shadow:0 18px 44px rgba(20,83,45,.16); --shadow-sm:0 8px 22px rgba(20,83,45,.10);
  --font-head:'Outfit',sans-serif; --font-body:'Inter',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.68}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1160px,92%);margin:0 auto}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.12;letter-spacing:-.01em}
.section{padding:96px 0}
.section-soft{background:var(--soft)}
.section-dark{background:linear-gradient(160deg,var(--green-d),var(--dark));color:#fff}
.kicker{display:inline-block;font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.74rem;color:var(--green);margin-bottom:12px}
.kicker.light{color:var(--lime)}
.section-head{text-align:center;max-width:640px;margin:0 auto 52px}
.section-head h2{font-size:clamp(1.9rem,3.8vw,2.9rem)}
.section-head p{color:var(--muted);margin-top:12px;font-size:1.05rem}
.section-dark .section-head p{color:rgba(255,255,255,.78)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:14px 28px;border-radius:50px;font-weight:600;font-family:var(--font-head);cursor:pointer;border:2px solid transparent;font-size:.98rem;transition:.25s}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 12px 28px rgba(22,163,74,.32)}
.btn-primary:hover{background:var(--green-d);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green-d);border-color:#fff}
.btn-light:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-2px)}

/* navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:18px 0;transition:.3s}
.navbar.scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(12px);box-shadow:0 4px 20px rgba(20,83,45,.08);padding:12px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{font-family:var(--font-head);font-weight:800;font-size:1.45rem;color:#fff;display:flex;align-items:center;gap:.4em;transition:.3s}
.brand i{color:var(--lime)}
.navbar.scrolled .brand{color:var(--green-d)}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-link{font-weight:600;font-size:.95rem;color:rgba(255,255,255,.9);position:relative;transition:.2s}
.navbar.scrolled .nav-link{color:var(--ink)}
.nav-link::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--lime);transition:.25s}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-cta{background:var(--lime);color:var(--green-d)!important;padding:9px 22px;border-radius:50px}
.nav-cta::after{display:none}
.nav-cta:hover{background:#fff}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.hamburger span{width:26px;height:2.6px;background:#fff;border-radius:3px;transition:.3s}
.navbar.scrolled .hamburger span{background:var(--green-d)}
.hamburger.open span:nth-child(1){transform:translateY(7.6px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7.6px) rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero-parallax{position:absolute;inset:-10% 0;background:url('https://picsum.photos/seed/greenday95hero/1600/1100') center/cover no-repeat;z-index:0;will-change:transform}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(15,36,23,.86),rgba(20,83,45,.6));z-index:1}
.hero-inner{position:relative;z-index:2;max-width:760px;padding:130px 0 90px}
.eyebrow{display:inline-flex;align-items:center;gap:.5em;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);color:#fff;font-weight:600;font-size:.84rem;padding:8px 18px;border-radius:50px;margin-bottom:24px}
.eyebrow i{color:var(--lime)}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:800}
.hero .hl{color:var(--lime)}
.hero p{font-size:1.18rem;margin:24px 0 32px;max-width:600px;color:rgba(255,255,255,.9)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-scroll{margin-top:54px;font-size:.86rem;color:rgba(255,255,255,.75);display:flex;align-items:center;gap:.5em}
.hero-scroll i{animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}

/* mission */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.mission-text h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin:8px 0 16px}
.mission-text p{color:var(--muted);margin-bottom:14px}
.mission-text .btn{margin-top:8px}
.mission-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mcard{background:var(--soft);border-radius:var(--radius);padding:28px 22px;transition:.3s;border:1px solid transparent}
.mcard:hover{transform:translateY(-6px);border-color:var(--green-l);box-shadow:var(--shadow-sm)}
.mcard i{font-size:1.7rem;color:var(--green);margin-bottom:12px}
.mcard h3{font-size:1.24rem;margin-bottom:6px}
.mcard p{color:var(--muted);font-size:.92rem}

/* goals */
.goals-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.goal{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.goal-bar{height:12px;background:#e3efe7;border-radius:50px;overflow:hidden;margin-bottom:18px}
.goal-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--lime-d));border-radius:50px;transition:width 1.4s ease}
.goal-bar.fill span{width:var(--p)}
.goal h3{font-size:1.3rem;margin-bottom:6px}
.goal p{color:var(--muted);font-size:.95rem}

/* projects */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.proj{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s}
.proj:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.proj img{height:220px;width:100%;object-fit:cover;transition:.5s}
.proj:hover img{transform:scale(1.06)}
.proj-body{padding:24px}
.proj-tag{display:inline-block;background:rgba(22,163,74,.12);color:var(--green-d);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:4px 12px;border-radius:50px;margin-bottom:10px}
.proj-body h3{font-size:1.3rem;margin-bottom:8px}
.proj-body p{color:var(--muted);font-size:.95rem;margin-bottom:14px}
.proj-body a{color:var(--green);font-weight:600;font-size:.92rem;display:inline-flex;align-items:center;gap:.5em}
.proj-body a:hover{gap:.8em}

/* impact stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat i{font-size:2rem;color:var(--lime);margin-bottom:12px}
.stat strong{font-family:var(--font-head);font-size:clamp(1.8rem,3.4vw,2.8rem);display:block;line-height:1}
.stat span{color:rgba(255,255,255,.82);font-weight:500;font-size:.92rem}

/* timeline */
.timeline{position:relative;max-width:780px;margin:0 auto;padding-left:8px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:3px;background:linear-gradient(var(--green),var(--lime-d))}
.tl-item{position:relative;padding:0 0 34px 38px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:0;top:4px;width:17px;height:17px;border-radius:50%;background:var(--green);border:3px solid #fff;box-shadow:0 0 0 3px rgba(22,163,74,.25)}
.tl-content{background:#fff;border-radius:14px;padding:20px 24px;box-shadow:var(--shadow-sm)}
.tl-year{display:inline-block;font-family:var(--font-head);font-weight:800;color:var(--green);font-size:.95rem;margin-bottom:4px}
.tl-content h3{font-size:1.22rem;margin-bottom:4px}
.tl-content p{color:var(--muted);font-size:.94rem}

/* volunteer */
.vol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:42px}
.vol{background:var(--soft);border-radius:var(--radius);padding:34px 28px;transition:.3s;border:1px solid transparent}
.vol:hover{transform:translateY(-7px);border-color:var(--green-l);box-shadow:var(--shadow-sm)}
.vol-icon{width:60px;height:60px;border-radius:16px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:1.5rem;margin-bottom:18px}
.vol h3{font-size:1.32rem;margin-bottom:8px}
.vol p{color:var(--muted);font-size:.95rem;margin-bottom:14px}
.vol-meta{font-size:.85rem;font-weight:600;color:var(--green-d)}
.vol-meta i{margin-right:.4em;color:var(--lime-d)}
.vol-cta{background:linear-gradient(120deg,var(--green),var(--green-l));color:#fff;border-radius:var(--radius);padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.vol-cta h3{font-size:1.6rem;color:#fff}
.vol-cta .btn-primary{background:#fff;color:var(--green-d)}
.vol-cta .btn-primary:hover{background:var(--lime)}

/* quotes */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.stars i{font-size:1.5rem;color:var(--green-l);margin-bottom:14px}
.quote blockquote{font-size:1.02rem;font-style:italic;color:var(--ink);margin-bottom:20px}
.quote figcaption{display:flex;align-items:center;gap:12px}
.quote figcaption img{width:46px;height:46px;border-radius:50%;object-fit:cover}
.quote figcaption strong{display:block}
.quote figcaption span{color:var(--muted);font-size:.84rem}

/* contact */
.contact-info h2{font-size:clamp(1.8rem,3.4vw,2.5rem);margin:8px 0 14px}
.contact-info>p{color:var(--muted)}
.contact-list{list-style:none;margin:22px 0;display:grid;gap:14px}
.contact-list li{display:flex;align-items:center;gap:.8em;font-weight:500}
.contact-list i{color:var(--green);width:20px}
.socials{display:flex;gap:12px}
.socials a{width:42px;height:42px;border-radius:50%;background:var(--soft);color:var(--green-d);display:grid;place-items:center;transition:.25s}
.socials a:hover{background:var(--green);color:#fff}
.contact-form{background:var(--soft);border-radius:var(--radius);padding:34px;display:grid;gap:16px}
.field label{display:block;font-weight:600;font-size:.86rem;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:13px 16px;border:1.5px solid #d6e8db;border-radius:12px;font-family:inherit;font-size:.95rem;background:#fff;transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--green)}

/* footer */
.footer{background:var(--dark);color:#fff;padding:60px 0 0}
.footer-inner{display:grid;grid-template-columns:1.3fr 2fr;gap:40px;padding-bottom:42px}
.footer-brand .brand{color:#fff}
.footer-brand .brand i{color:var(--lime)}
.footer-brand p{color:rgba(255,255,255,.72);margin-top:14px;max-width:300px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-cols h4{font-size:1rem;margin-bottom:14px;color:var(--lime)}
.footer-cols a{display:block;color:rgba(255,255,255,.72);font-size:.92rem;margin-bottom:9px;transition:.2s}
.footer-cols a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;text-align:center;font-size:.88rem;color:rgba(255,255,255,.72)}
.footer-bottom a{color:var(--lime);font-weight:600}

/* back to top */
.back-to-top{position:fixed;right:24px;bottom:24px;width:50px;height:50px;border-radius:50%;border:none;background:var(--green);color:#fff;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(14px);transition:.3s;box-shadow:var(--shadow);z-index:90}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--green-d)}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:1024px){
  .goals-grid{grid-template-columns:1fr}
  .proj-grid,.stats-grid,.vol-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-menu{position:fixed;top:0;right:-100%;height:100vh;width:78%;max-width:320px;background:var(--green-d);flex-direction:column;justify-content:center;gap:26px;transition:right .35s}
  .nav-menu.open{right:0}
  .nav-link{color:#fff}
  .split,.footer-inner{grid-template-columns:1fr}
  .mission-cards{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .proj-grid,.stats-grid,.vol-grid,.quote-grid,.mission-cards,.footer-cols{grid-template-columns:1fr}
  .section{padding:70px 0}
}