/* ============================================================
   GLC — Green Leaders Community · Homepage prototype
   Aesthetic: "Modern Impact" — deep forest, lime accent, gold sparing
   Type: Archivo (display) + Be Vietnam Pro (body, Vietnamese-native)
   ============================================================ */

:root{
  --forest-deep:#0a1f1a;
  --forest:#11362a;
  --forest-ink:#1e4427;
  --green:#2f6b3c;
  --lime:#9be34f;
  --lime-soft:#cdf39a;
  --gold:#e8a92b;
  --cream:#f4f7ee;
  --paper:#ffffff;
  --ink:#1a2420;
  --muted:#5f6f64;
  --line:#e2e8da;
  --maxw:1140px;
  --r:14px;
  --ease:cubic-bezier(.22,1,.36,1);
  --shadow:0 18px 50px -20px rgba(10,31,26,.45);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Be Vietnam Pro",system-ui,sans-serif;
  color:var(--ink);background:var(--paper);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

h1,h2,h3,h4,.brand__mark{font-family:"Archivo",sans-serif;font-weight:800;letter-spacing:-.02em;line-height:1.08}

/* ---------- shared bits ---------- */
.eyebrow{font:700 12px/1 "Archivo",sans-serif;letter-spacing:.22em;text-transform:uppercase;color:var(--green)}
.eyebrow--light{color:var(--lime)}
.h2{font-size:clamp(28px,4vw,40px);color:var(--forest-ink);margin:14px 0 0}
.muted{color:var(--muted)}
.muted--sm{font-size:13px;margin-top:22px}
.hl{color:var(--lime)}
.hl-ink{color:var(--green);position:relative}
.hl-ink::after{content:"";position:absolute;left:0;right:0;bottom:.04em;height:.32em;background:rgba(232,169,43,.35);z-index:-1}

.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font:700 14px/1 "Archivo",sans-serif;letter-spacing:.01em;
  padding:15px 26px;border-radius:999px;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s;
}
.btn--sm{padding:10px 18px;font-size:13px}
.btn--lime{background:var(--lime);color:var(--forest-deep);box-shadow:0 10px 26px -10px rgba(155,227,79,.7)}
.btn--lime:hover{transform:translateY(-3px);box-shadow:0 16px 32px -10px rgba(155,227,79,.85)}
.btn--ghost{border:1.5px solid rgba(255,255,255,.32);color:#e8f3ea}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-3px)}
.btn--dark{background:var(--forest-ink);color:#fff}
.btn--dark:hover{background:var(--forest-deep);transform:translateY(-3px)}
.link{font:700 14px/1 "Archivo",sans-serif;color:var(--green);transition:color .2s,gap .2s;display:inline-flex;gap:.35em}
.link:hover{color:var(--forest-ink)}

.hero__grain{position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:4px 4px}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,31,26,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(155,227,79,.14)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center}
.brand img{height:48px;width:auto;background:#fff;padding:4px;border-radius:8px;
  box-shadow:0 6px 16px -8px rgba(0,0,0,.5);transition:transform .25s var(--ease)}
.brand:hover img{transform:translateY(-1px)}
.menu{display:flex;align-items:center;gap:30px}
.menu a:not(.btn){font:600 14px/1 "Be Vietnam Pro";color:#cfe6d6;position:relative;padding:4px 0;transition:color .2s}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--lime);transition:width .25s var(--ease)}
.menu a:not(.btn):hover{color:#fff}
.menu a:not(.btn):hover::after{width:100%}
.lang{font:700 12px/1 "Archivo";color:#5f7d6c;display:flex;gap:5px;align-items:center}
.lang b{color:var(--lime)}.lang i{font-style:normal;opacity:.5}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:#fff;transition:.3s var(--ease)}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;color:#fff;
  transform:translateZ(0); /* own compositor layer — avoids paint flash under nav's backdrop-filter */
  background:
    radial-gradient(900px 520px at 82% 8%,rgba(155,227,79,.16),transparent 60%),
    radial-gradient(700px 600px at 12% 100%,rgba(47,107,60,.5),transparent 60%),
    linear-gradient(160deg,#11362a 0%,#0a1f1a 70%)}
.hero__inner{padding:108px 28px 110px;position:relative}
.hero__title{font-size:clamp(40px,7vw,76px);font-weight:900;margin:22px 0 0;max-width:14ch}
.hero__lead{margin-top:24px;max-width:560px;font-size:clamp(16px,1.6vw,19px);color:#a9c4b4}
.hero__cta{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.hero__tag{margin-top:46px;font-style:italic;color:#6f8d7c;font-size:14px;
  padding-left:18px;border-left:2px solid var(--gold)}

/* ---------- TRUST ---------- */
.trust{background:var(--cream);padding:52px 0;border-bottom:1px solid var(--line)}
.trust__label{font:700 11px/1 "Archivo";letter-spacing:.22em;text-transform:uppercase;color:var(--green);margin-bottom:24px}
.trust__row{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:30px 46px}
.trust__row a,.trust__row span{display:flex;align-items:center}
.trust__row img{height:42px;width:auto;opacity:.95;transition:transform .25s var(--ease),opacity .2s}
.trust__row a:hover img{transform:scale(1.06);opacity:1}

/* ---------- SECTIONS ---------- */
.section{padding:96px 0}
.section--cream{background:var(--cream)}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}

/* vision / values */
.vm{display:grid;grid-template-columns:1.55fr 1fr;gap:50px;margin-top:22px;align-items:end}
.vm__vision{font-size:clamp(24px,3.2vw,36px);color:var(--forest-ink);font-weight:800}
.vm__mission{color:var(--muted);font-size:15.5px}
.vm__mission b{color:var(--forest-ink)}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:56px}
.value{border-top:2px solid var(--line);padding-top:18px;transition:border-color .3s}
.value:hover{border-color:var(--lime)}
.value__no{font:800 13px/1 "Archivo";color:var(--gold)}
.value h3{font-size:22px;color:var(--forest-ink);margin-top:14px}
.value p{font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.14em;margin-top:6px}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.pillar{background:var(--paper);border-radius:var(--r);padding:34px 30px;
  border:1px solid var(--line);box-shadow:0 1px 0 rgba(0,0,0,.02);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.pillar__ic{font-size:32px;display:block}
.pillar h3{font-size:21px;color:var(--forest-ink);margin:18px 0 10px}
.pillar p{color:var(--muted);font-size:14.5px}
.pillar .link{margin-top:18px;display:inline-flex}

/* initiative */
.initiative{position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(800px 500px at 88% 18%,rgba(155,227,79,.14),transparent 55%),linear-gradient(150deg,#11362a,#0a1f1a)}
.initiative__inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:90px 28px}
.initiative__title{font-size:clamp(34px,5vw,56px);font-weight:900;margin:18px 0 0}
.initiative__lead{margin-top:14px;color:#a9c4b4;font-size:17px}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 32px}
.chips li{font:600 13px/1 "Be Vietnam Pro";color:#dff3d6;border:1px solid rgba(155,227,79,.35);
  padding:9px 16px;border-radius:999px;background:rgba(155,227,79,.07)}
.initiative__art img{border-radius:var(--r);border:1px solid rgba(155,227,79,.22);box-shadow:var(--shadow)}

/* courses */
.courses{display:grid;grid-template-columns:1fr 1.25fr;gap:50px;margin-top:22px;align-items:center}
.courses__text .h2{margin-top:0}
.courses__text p{margin:16px 0 26px}
.courses__list{display:grid;gap:14px}
.course{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--lime);
  border-radius:10px;padding:20px 22px;transition:transform .25s var(--ease)}
.course:hover{transform:translateX(6px)}
.course h3{font-size:18px;color:var(--forest-ink);margin:10px 0 4px}
.course p{font-size:13.5px;color:var(--muted)}
.badge{font:700 10.5px/1 "Archivo";letter-spacing:.12em;text-transform:uppercase;
  color:var(--green);background:rgba(47,107,60,.1);padding:6px 11px;border-radius:999px}

/* events */
.events{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
.event{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.event:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.event__cover{height:158px;display:flex;align-items:flex-end;padding:18px;position:relative}
.event__cover--a{background:radial-gradient(circle at 75% 30%,#2f6b3c,#0a1f1a)}
.event__cover--b{background:radial-gradient(circle at 75% 30%,#e8a92b,#2f6b3c)}
.event__date{font:800 14px/1 "Archivo";letter-spacing:.14em;color:#fff}
.event__body{padding:24px}
.event__body h3{font-size:20px;color:var(--forest-ink)}
.event__body p{color:var(--muted);font-size:14px;margin:10px 0 14px}
.event__meta{display:block;font-size:12.5px;color:var(--muted);margin-bottom:14px}

/* team */
.team{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin-top:42px}
.member{text-align:center}
.avatar{width:96px;height:96px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#dcebcb,#b6d49a);position:relative}
.avatar::after{content:attr(data-i);font:800 24px/1 "Archivo";color:var(--forest-ink);opacity:.5}
.member b{display:block;font-family:"Archivo";font-size:14.5px;color:var(--forest-ink)}
.member span{font-size:12px;color:var(--muted)}

/* news / resources */
.nr{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.news{list-style:none;margin-top:26px}
.news li{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.news__tag{font:700 11px/1 "Archivo";letter-spacing:.1em;text-transform:uppercase;color:var(--green);
  background:rgba(47,107,60,.09);padding:7px 12px;border-radius:999px;white-space:nowrap}
.news a{font-weight:600;font-size:15.5px;transition:color .2s}
.news li:hover a{color:var(--green)}
.res{margin-top:26px;display:grid;gap:12px}
.res__item{display:flex;align-items:center;gap:14px;background:var(--paper);border:1px solid var(--line);
  border-radius:10px;padding:18px 20px;font-weight:600;font-size:14.5px;color:var(--forest-ink);
  transition:transform .25s var(--ease),border-color .25s}
.res__item:hover{transform:translateX(6px);border-color:var(--lime)}

/* cta */
.cta{position:relative;overflow:hidden;color:#fff;text-align:center;
  background:radial-gradient(700px 460px at 20% 20%,rgba(155,227,79,.16),transparent 55%),linear-gradient(150deg,#11362a,#0a1f1a)}
.cta__inner{position:relative;padding:96px 28px}
.cta__title{font-size:clamp(30px,4.5vw,50px);font-weight:900}
.cta__lead{margin:16px auto 0;max-width:480px;color:#a9c4b4}
.cta__btns{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* footer */
.footer{background:var(--forest-deep);color:#8aa898;padding:64px 0 30px;font-size:14px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer__logo{width:120px;border-radius:10px;background:#fff;padding:8px;margin-bottom:16px}
.footer h4{font-family:"Archivo";font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#cfe6d6;margin-bottom:14px}
.footer a{transition:color .2s}
.footer a:hover{color:var(--lime)}
.footer__base{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:46px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(22px);animation:rise .9s var(--ease) forwards;animation-delay:var(--d,0s)}
.rise{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rise.in{opacity:1;transform:none}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .reveal,.rise{animation:none;opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .vm,.courses,.nr,.initiative__inner{grid-template-columns:1fr;gap:32px}
  .values{grid-template-columns:repeat(2,1fr)}
  .pillars{grid-template-columns:1fr}
  .events{grid-template-columns:1fr}
  .team{grid-template-columns:repeat(3,1fr)}
  .initiative__art{order:-1}
}
@media (max-width:760px){
  .hamburger{display:flex}
  .menu{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:flex-start;
    gap:6px;background:rgba(10,31,26,.98);backdrop-filter:blur(14px);
    padding:20px 28px 30px;border-bottom:1px solid rgba(155,227,79,.16);
    transform:translateY(-130%);transition:transform .4s var(--ease);height:calc(100vh - 72px)}
  .navtoggle:checked ~ .menu{transform:translateY(0)}
  .menu a:not(.btn){font-size:18px;padding:12px 0;width:100%}
  .menu .btn{margin-top:12px}
  .navtoggle:checked ~ .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .navtoggle:checked ~ .hamburger span:nth-child(2){opacity:0}
  .navtoggle:checked ~ .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .section{padding:64px 0}
  .hero__inner{padding:78px 28px 84px}
  .team{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .section__head{align-items:flex-start}
}
@media (max-width:440px){
  .wrap{padding:0 20px}
  .team{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr}
  .btn{width:100%;justify-content:center}
  .hero__cta,.cta__btns{flex-direction:column}
}