/* ============================================================
   green_future — Non-Profit Template
   Palette: White #fff · Lime #84cc16 · Earth #78350f
            Sage surface #f7fcea · Warm text #1c2a0e
   Fonts:   Poppins · Inter
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-bg:       #ffffff;
  --clr-surface:  #f7fcea;
  --clr-lime:     #84cc16;
  --clr-lime-d:   #65a30d;
  --clr-earth:    #78350f;
  --clr-earth-l:  #a16207;
  --clr-text:     #1c2a0e;
  --clr-muted:    #5a7040;
  --clr-border:   #d8edb5;
  --ff-head:      'Poppins', system-ui, sans-serif;
  --ff-body:      'Inter', system-ui, sans-serif;
  --radius:       .875rem;
  --shadow-sm:    0 1px 4px rgba(0,0,0,.06);
  --shadow-md:    0 4px 20px rgba(84,122,0,.12);
  --shadow-lg:    0 12px 48px rgba(84,122,0,.18);
  --transition:   .3s ease;
  --max-w:        1200px;
  --header-h:     68px;
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--ff-body); background: var(--clr-bg); color: var(--clr-text); line-height: 1.7; -webkit-font-smoothing: antialiased; }

/* ---- Utility ---- */
.gf-container { max-width: var(--max-w); margin-inline: auto; padding-inline: 1.5rem; }
.gf-label { font-family: var(--ff-head); font-size: .68rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; color: var(--clr-lime-d); margin-bottom: .5rem; display: block; }
.gf-section-title { font-family: var(--ff-head); font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.2; color: var(--clr-text); margin-bottom: 1rem; }
.gf-section-title em { font-style: normal; color: var(--clr-lime-d); }
.gf-section-sub { color: var(--clr-muted); max-width: 60ch; margin-bottom: 3rem; }
.gf-link { font-size: .8rem; font-weight: 700; color: var(--clr-lime-d); text-decoration: none; border-bottom: 1px solid var(--clr-lime); transition: color var(--transition); }
.gf-link:hover { color: var(--clr-earth); }

/* ---- Buttons ---- */
.gf-btn { display: inline-flex; align-items: center; padding: .72rem 1.8rem; font-family: var(--ff-head); font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; cursor: pointer; border: 2px solid transparent; border-radius: 3rem; transition: all var(--transition); white-space: nowrap; }
.gf-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.gf-btn--lime { background: var(--clr-lime); color: var(--clr-text); border-color: var(--clr-lime); }
.gf-btn--lime:hover { background: var(--clr-lime-d); border-color: var(--clr-lime-d); }
.gf-btn--outline { border-color: var(--clr-lime); color: var(--clr-lime-d); background: transparent; }
.gf-btn--outline:hover { background: var(--clr-lime); color: var(--clr-text); border-color: var(--clr-lime); }
.gf-btn--wide { width: 100%; justify-content: center; }

/* ---- Reveal ---- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal--d1 { transition-delay: .1s; }
.reveal--d2 { transition-delay: .2s; }

/* ========== HEADER ========== */
.gf-header { position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 100; height: var(--header-h); background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--clr-border); transition: box-shadow var(--transition); }
.gf-header.scrolled { box-shadow: var(--shadow-sm); }
.gf-header__inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; }
.gf-logo { font-family: var(--ff-head); font-size: .95rem; font-weight: 800; letter-spacing: .05em; color: var(--clr-text); text-decoration: none; }
.gf-logo em { color: var(--clr-lime-d); font-style: normal; }
.gf-nav ul { display: flex; gap: 2rem; list-style: none; }
.gf-nav a { font-family: var(--ff-head); font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--clr-muted); text-decoration: none; transition: color var(--transition); }
.gf-nav a:hover { color: var(--clr-lime-d); }
.gf-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.gf-burger span { display: block; width: 22px; height: 2px; background: var(--clr-text); border-radius: 2px; transition: var(--transition); }

/* ========== DRAWER ========== */
.gf-drawer { position: fixed; inset-block-start: var(--header-h); inset-inline-start: 0; inset-block-end: 0; width: 78%; max-width: 280px; background: var(--clr-bg); border-right: 1px solid var(--clr-border); z-index: 99; transform: translateX(-100%); transition: transform .3s cubic-bezier(.4,0,.2,1); padding: 2rem 1.5rem; }
.gf-drawer.open { transform: none; }
.gf-drawer ul { list-style: none; display: flex; flex-direction: column; }
.gf-drawer__link { display: block; padding: .85rem .5rem; font-family: var(--ff-head); font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--clr-text); text-decoration: none; border-bottom: 1px solid var(--clr-border); transition: color var(--transition); }
.gf-drawer__link:hover { color: var(--clr-lime-d); }
.gf-backdrop { position: fixed; inset: 0; background: rgba(28,42,14,.35); z-index: 98; display: none; }
.gf-backdrop.show { display: block; }

/* ========== HERO ========== */
.gf-hero { padding-top: var(--header-h); background: var(--clr-surface); overflow: hidden; }
.gf-hero__inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: center; padding-block: 5rem 0; }
.gf-hero__pre { font-family: var(--ff-head); font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--clr-muted); margin-bottom: 1rem; }
.gf-hero__title { font-family: var(--ff-head); font-size: clamp(2.5rem, 5.5vw, 4rem); font-weight: 800; line-height: 1.1; margin-bottom: 1.5rem; }
.gf-hero__title em { font-style: normal; color: var(--clr-lime-d); }
.gf-hero__sub { font-size: 1.05rem; color: var(--clr-muted); max-width: 46ch; margin-bottom: 2.5rem; }
.gf-hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.gf-hero__img { aspect-ratio: 4/3; border-radius: var(--radius); background: linear-gradient(135deg, #d9f99d, #84cc16 50%, #4d7c0f); position: relative; }
.gf-hero__badge { position: absolute; bottom: -1.5rem; left: -1.5rem; background: #fff; border: 2px solid var(--clr-lime); border-radius: var(--radius); padding: 1rem 1.5rem; box-shadow: var(--shadow-md); display: flex; flex-direction: column; align-items: center; gap: .2rem; }
.gf-badge__icon { font-size: 1.75rem; }
.gf-hero__badge strong { font-family: var(--ff-head); font-size: 1.5rem; font-weight: 800; color: var(--clr-lime-d); line-height: 1; }
.gf-hero__badge em { font-style: normal; font-size: .7rem; font-weight: 600; color: var(--clr-muted); text-transform: uppercase; letter-spacing: .08em; }
/* Stats strip */
.gf-stats { background: var(--clr-lime); margin-top: 3rem; }
.gf-stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.gf-stat { padding: 1.75rem 1.5rem; text-align: center; border-right: 1px solid rgba(255,255,255,.3); }
.gf-stat:last-child { border-right: none; }
.gf-stat strong { font-family: var(--ff-head); font-size: 2.25rem; font-weight: 800; color: var(--clr-text); line-height: 1; display: inline; }
.gf-stat sup { font-family: var(--ff-head); font-size: 1rem; font-weight: 800; color: var(--clr-earth); vertical-align: super; }
.gf-stat span { display: block; font-size: .74rem; font-weight: 600; color: rgba(28,42,14,.7); text-transform: uppercase; letter-spacing: .08em; margin-top: .35rem; }

/* ========== PROGRAMS ========== */
.gf-programs { padding: 5.5rem 0; background: var(--clr-bg); }
.gf-programs__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.gf-prog { background: var(--clr-surface); border: 1px solid var(--clr-border); border-radius: var(--radius); padding: 2rem 1.75rem; transition: transform var(--transition), box-shadow var(--transition); }
.gf-prog:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.gf-prog__icon { font-size: 2.25rem; margin-bottom: 1rem; display: block; }
.gf-prog h3 { font-family: var(--ff-head); font-size: 1.05rem; font-weight: 700; margin-bottom: .5rem; }
.gf-prog p { font-size: .875rem; color: var(--clr-muted); margin-bottom: 1.25rem; }

/* ========== IMPACT ========== */
.gf-impact { padding: 5.5rem 0; background: var(--clr-earth); }
.gf-impact .gf-label { color: rgba(212,167,80,.8); }
.gf-impact__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 2.5rem; }
.gf-impact-stat { text-align: center; }
.gf-impact-stat__num { font-family: var(--ff-head); font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; color: var(--clr-lime); line-height: 1; margin-bottom: .5rem; }
.gf-impact-stat__label { font-size: .82rem; font-weight: 600; color: rgba(247,252,234,.75); text-transform: uppercase; letter-spacing: .08em; }

/* ========== VOLUNTEER ========== */
.gf-volunteer { padding: 5.5rem 0; background: var(--clr-surface); }
.gf-volunteer__inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 5rem; align-items: center; }
.gf-volunteer__content p { color: var(--clr-muted); margin-bottom: 1.5rem; }
.gf-vol-list { list-style: none; display: flex; flex-direction: column; gap: .75rem; }
.gf-vol-list li { font-size: .95rem; font-weight: 600; color: var(--clr-text); padding-left: .5rem; }
.gf-vol-img { aspect-ratio: 4/3; border-radius: var(--radius); background: linear-gradient(135deg, #bbf7d0, #4ade80 50%, #15803d); }

/* ========== DONATE ========== */
.gf-donate { padding: 5.5rem 0; background: var(--clr-bg); }
.gf-donate__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2.5rem; }
.gf-tier { background: var(--clr-surface); border: 2px solid var(--clr-border); border-radius: var(--radius); padding: 2.5rem 2rem; position: relative; transition: transform var(--transition), box-shadow var(--transition); }
.gf-tier:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.gf-tier--featured { border-color: var(--clr-lime); background: #fff; box-shadow: var(--shadow-lg); }
.gf-tier__badge { position: absolute; top: -1px; left: 50%; transform: translateX(-50%); white-space: nowrap; padding: .3rem 1.25rem; background: var(--clr-lime); color: var(--clr-text); font-family: var(--ff-head); font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; border-radius: 0 0 .75rem .75rem; }
.gf-tier__icon { font-size: 2.25rem; margin-bottom: .75rem; display: block; }
.gf-tier h3 { font-family: var(--ff-head); font-size: 1.15rem; font-weight: 700; margin-bottom: .5rem; }
.gf-tier__price { font-family: var(--ff-head); font-size: 2.5rem; font-weight: 800; color: var(--clr-lime-d); line-height: 1; margin-bottom: .25rem; }
.gf-tier__price span { font-size: .9rem; color: var(--clr-muted); font-weight: 600; }
.gf-tier p { font-size: .875rem; color: var(--clr-muted); margin-bottom: 1.25rem; }
.gf-tier ul { list-style: none; display: flex; flex-direction: column; gap: .5rem; margin-bottom: 2rem; }
.gf-tier ul li::before { content: '✓ '; color: var(--clr-lime-d); font-weight: 700; }
.gf-tier ul li { font-size: .875rem; }
.gf-tier--selected { border-color: var(--clr-lime-d) !important; box-shadow: 0 0 0 3px rgba(101,163,13,.25) !important; }

/* ========== PARTNERS ========== */
.gf-partners { padding: 3.5rem 0; border-top: 1px solid var(--clr-border); border-bottom: 1px solid var(--clr-border); background: var(--clr-bg); }
.gf-partners__grid { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 1.5rem 2.5rem; margin-top: 1rem; }
.gf-partner-logo { padding: .6rem 1.75rem; border: 1px solid var(--clr-border); border-radius: .5rem; font-family: var(--ff-head); font-size: .78rem; font-weight: 700; color: var(--clr-muted); letter-spacing: .06em; background: var(--clr-surface); }

/* ========== CONTACT ========== */
.gf-contact { padding: 5.5rem 0; background: var(--clr-surface); }
.gf-contact__inner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 5rem; align-items: start; }
.gf-contact__info p { color: var(--clr-muted); margin-bottom: 2rem; }
.gf-contact__row { display: flex; flex-direction: column; gap: .175rem; margin-bottom: 1.25rem; }
.gf-contact__row strong { font-family: var(--ff-head); font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--clr-muted); }
.gf-contact__row span, .gf-contact__row a { font-size: .925rem; color: var(--clr-text); }
.gf-contact__link { text-decoration: none; color: var(--clr-lime-d); border-bottom: 1px solid var(--clr-lime); transition: color var(--transition); }
.gf-contact__link:hover { color: var(--clr-earth); }
.gf-form { display: flex; flex-direction: column; gap: 1.25rem; }
.gf-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.gf-form__group { display: flex; flex-direction: column; gap: .4rem; }
.gf-form__group label { font-family: var(--ff-head); font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--clr-muted); }
.gf-form__group input,
.gf-form__group textarea { padding: .75rem 1rem; border: 2px solid var(--clr-border); border-radius: .5rem; font-family: var(--ff-body); font-size: .875rem; background: #fff; color: var(--clr-text); outline: none; transition: border-color var(--transition); resize: vertical; }
.gf-form__group input:focus,
.gf-form__group textarea:focus { border-color: var(--clr-lime); }
.gf-form__ok { font-family: var(--ff-head); font-size: .85rem; font-weight: 700; color: var(--clr-lime-d); text-align: center; min-height: 1.4em; }

/* ========== FOOTER ========== */
.gf-footer { background: var(--clr-text); padding: 1.75rem 0; }
.gf-footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.gf-footer p { font-size: .8rem; color: rgba(247,252,234,.5); }
.gf-footer__nav { list-style: none; display: flex; gap: 1.5rem; }
.gf-footer__nav a { font-family: var(--ff-head); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(247,252,234,.4); text-decoration: none; transition: color var(--transition); }
.gf-footer__nav a:hover { color: var(--clr-lime); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .gf-hero__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .gf-hero__visual { display: none; }
  .gf-stats__grid { grid-template-columns: repeat(2, 1fr); }
  .gf-programs__grid { grid-template-columns: repeat(2, 1fr); }
  .gf-impact__grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
  .gf-volunteer__inner { grid-template-columns: 1fr; gap: 3rem; }
  .gf-volunteer__visual { display: none; }
  .gf-contact__inner { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 768px) {
  .gf-nav, .gf-header .gf-btn { display: none; }
  .gf-burger { display: flex; }
  .gf-donate__grid { grid-template-columns: 1fr; }
  .gf-programs__grid { grid-template-columns: 1fr 1fr; }
  .gf-form__row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .gf-programs__grid { grid-template-columns: 1fr; }
  .gf-stats__grid { grid-template-columns: 1fr 1fr; }
}