:root{
  --bg:#fbfbf8;
  --card:#f4fff3;
  --muted:#556;
  --accent:#2f8b3e;
  --accent-2:#7fc27f;
  --accent-3:#1c722b;
  --accent-4:#cdf1cd;
  --navbar: rgba(255,255,255,0.90);
  --shadow: 0 6px 20px rgba(32,40,30,0.08);
  --glass: rgba(255,255,255,0.6);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:#123;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.container{max-width:1000px;margin:0 auto;padding:18px}

/* ------------- HEADER ------------- */

.site-header{background: linear-gradient(0deg, var(--accent), var(--accent-2));; box-shadow: 0 4px 12px rgba(7, 56, 15, 0.1);border-bottom:1px solid rgba(6, 53, 9, 0.04); padding:8px 28px; position: fixed; top:0; width: 100%; z-index:100; border-bottom-left-radius: 5px; border-bottom-right-radius: 5px; }
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:3px 0}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:60px;height:60px;border-radius:100px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;align-items:center;justify-content:center;color:white;font-size:24px;box-shadow:var(--shadow)}
.brand h1{margin:0;font-size:24px; font-weight:700;color:#ededea}
.tag{margin:0;font-size:13px;color:var(--navbar)}

.nav a{margin-left:2px;margin-right:8px;padding: 2px; color:var(--navbar); text-decoration:none;font-weight:600}
.nav a:hover{text-decoration:underline}

.badge-row{display:flex;gap:8px;padding-bottom:14px;align-items:center;flex-wrap:wrap}
.badge-row img{height:28px}

/* ----------- HERO SECTION ------------ */
.hero {padding-top: 36px; background: linear-gradient(180deg, #f4fff3 0%, transparent 100%);}
.hero{padding-top: 36px;}
.hero-inner{display:flex;gap:15px;align-items:center;justify-content:space-between; padding-left:8px; padding-top:22px}
.hero-text{ max-width: 500px;}
.hero h2{margin:0;font-size:36px;}
.hero p{color:var(--muted);margin:8px 0 0}

.hero-ctas{margin-top:12px; display:flex; gap:14px;flex-wrap: wrap;}
.btn{background:var(--accent);color:#fff;padding:10px 14px;border-radius:10px;border:none;cursor:pointer;text-decoration:none;display:inline-block;font-weight:700; transition: all 0.25s ease;box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);}
.btn:hover{background: var(--accent-3); transform: scale(1.05); box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1); }
.btn.ghost{background:transparent;color:var(--accent);border:2px solid var(--accent);padding:8px 12px; transition: all 0,25s ease;box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);}
.btn.ghost:hover{background: var(--accent-4); transform: scale(1.05); box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1); }
.btn.small{padding:6px 10px;font-size:13px;border-radius:8px}
.btn:active{transform:translateY(1px)}

.earth-gif {max-width: 260px; display:block; margin: 0 auto; height: auto;display: block; margin: 0 auto; z-index:-1;}

/* --------- ABOUT US ------------- */

#about {padding: 2rem;}
.about-container {display: flex;align-items: center;gap: 2rem;max-width: 900px;margin: 0 auto;}
.about-image img {width: 100%;max-width: 400px;border-radius: 10px;object-fit: cover;display: block;}
.about-content {flex: 1;}
.about-content h3 {margin-bottom: 1rem;font-size: 2rem;}
.about-content p {margin-bottom: 1.5rem;line-height: 1.5;color: #333;}
.about-goal h4 {margin-bottom: 0.5rem; font-size: 1.3rem;}
.about-goal p {margin: 0;color: #555;}



/* -------------ENVIRONMENT---------------*/
/*.section{padding:28px 0}
.section.light{background:linear-gradient(180deg, #f4fff3 0%, transparent 100%);}
h3{margin:0 0 8px;font-size:20px}
.muted{color:var(--muted)}
.small{font-size:13px} */


.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.card-grid.small{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--card);
  padding:18px;border-radius:12px;box-shadow:var(--shadow);min-height:110px;
  display:flex;flex-direction:column;justify-content:space-between
}
.card h4{margin:0 0 8px}
.card p{margin:0;color:var(--muted)}
.card-grid .card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;}
.card-grid .card:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);}

/*---------CHALLENGE----------*/
.challenge-box{background:var(--card);padding-left:18px; padding:10px;border-radius:12px;box-shadow:var(--shadow); display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 200px;
}
.challenge-controls{margin-top:10px;display:flex;gap:8px;align-items:center}
#challengeStatus{margin-top:8px}
.challenge-content {
  flex: 1; 
}
.challenge-gif {
  flex-shrink: 0; 
  width: 180px;
  height: 150px;
  margin-right: 20px;
  border-radius: 200px;
}

/*---------DID YOU KNOW?------------ */

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mini-list{margin:8px 0 30px;padding-left:18px;color:var(--muted)}

/* ------ QUIZ ------ */

#quiz {background: linear-gradient(180deg, #f4fff3 0%, transparent 100%);;padding: 2rem 1rem;border-radius: 0 0 16px 16px;}
.quiz-scroll {display: flex;overflow-x: auto;gap: 1rem; padding: 1rem 0;scroll-snap-type: x mandatory;}
.quiz-card {flex: 0 0 180px; height: 220px; background: white;border-radius: 12px;padding: 0.6rem;box-shadow: 0 4px 10px rgba(0,0,0,0.1); border: 2px solid #69a873;scroll-snap-align: start;display: flex;flex-direction: column;align-items: center; justify-content: space-between; transition: transform 0.2s ease, box-shadow 0.2s ease;}
.quiz-card img {width: 120px;height: 80px; object-fit: contain;margin-bottom: 0.2rem;}
.quiz-card h4 {margin: 0.2rem 0;font-size: 0.85rem;text-align: center; color:var(--muted)}
.quiz-card p { font-size: 0.6rem; color: #555;text-align: center; flex-grow: 1; padding: 0 0.3rem}
.quiz-card button { padding: 0.3rem 0.6rem; font-size: 0.8rem;}
.quiz-card:hover {transform: scale(1.02);box-shadow: 0 8px 20px rgba(0,0,0,0.15);}

/* ---------Modal---------  */
.modal {
  display: none; 
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.6); /* dark background */
  backdrop-filter: blur(4px);
}
.modal-content {
  background: white;
  margin: 10% auto;
  padding: 20px;
  border-radius: 12px;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}
.close {
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}
.close:hover {
  color: #e74c3c;
}

/*----------------QUIZ-----------------*/

.quiz-area{background:var(--card);padding:18px;border-radius:12px;box-shadow:var(--shadow)}
#options{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.option{
  padding:10px;border-radius:10px;border:1px solid rgba(0,0,0,0.06);cursor:pointer;background:white
}
.option.selected{border-color:var(--accent);background:linear-gradient(90deg,#f4fff3,#ecfff0)}
.quiz-controls{margin-top:12px;display:flex;gap:8px}

/*----------------FACTS------------------ */
#facts{margin-top:20px;}
.card-grid.small .card{min-height:90px}
#factsGrid > div,
#cards > div {transition: transform 0.3s ease, box-shadow 0.3s ease;}
#factsGrid > div:hover,
#cards > div:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}


/* -------- JOIN PLANET QUEST------------ */

.join-container {display: flex;align-items: center;gap: 1rem;flex-wrap: wrap;}
.join-image {flex: 1;text-align: center;}
.join-content {flex: 1;}
.join-content p{color: var(--muted)}
.join-content h3 {font-size: 1.6rem;margin-bottom: 0.5rem;}
.join-content .tagline {font-weight: bold; font-size: 1.1rem; color: var(--accent); margin-bottom: 0.8rem;}



/* ----FOOTER ------ */

.site-footer{
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  box-shadow: 0 -4px 12px rgba(7, 56, 15, 0.08);
  border-top:1px solid rgba(6, 53, 9, 0.04);
  padding:5px 5px;
  color: var(--navbar);
  font-size:13px;
  text-align:center;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  position: relative;
  z-index: 10;
}

@media (max-width:880px){
  .hero-inner{flex-direction:column;align-items:flex-start}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (max-width:520px){
  .card-grid{grid-template-columns:1fr}
  .nav{display:none}
  .about-container{flex-direction:column}
  main.site-main { padding-top: 100px; } 
}