:root {
  --color-primary-green: #C5EE74;
  --color-light-green-bg: #E4FFE7;
  --color-mid-green-bg: #dce775;
  --color-dark-green: #153B2C;
  --color-light-blue: #A4DCF1;
  --color-text-dark: #1f2937;
  --color-white: #ffffff;
  --font-heading: 'Bitter', serif;
  --font-body: 'Montserrat', sans-serif;
  --container-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-body); color: var(--color-text-dark); line-height: 1.6; overflow-x: hidden; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-dark-green); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

h2{
  font-size: 2.2rem;
  line-height: 1.2;
  margin-bottom: 20px;
}

h3{
  font-size: 1.8rem;
  line-height: 1;
  margin-bottom: 20px;
}

h4{
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 20px;
}

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.btn { display: inline-block; border:0; padding: 20px 30px; border-radius: 90px; font-weight: 800; cursor: pointer; transition: transform 0.2s ease; text-align: center; }
.btn:hover { transform: translateY(-2px); }
.btn-primary, .btn-primary:hover { background-color: var(--color-primary-green); color: var(--color-dark-green); }

.btn-secondary, .btn-secondary:hover { background-color: var(--color-light-blue); color: var(--color-dark-green); }
.btn-dark, .btn-dark:hover { background-color: var(--color-dark-green); color: var(--color-primary-green); }

img{
  max-width:100%;
}

header {
  background-color: transparent;
  padding: 20px 0;
  position: fixed;
  z-index: 1000;
  width: 100%;
  z-index: 1000; 
  transition: all 0.4s ease; 
}

header.header-scrolled {
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); 
  padding-top:8px;
  padding-bottom:8px;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo { font-size: 1.5rem; color: var(--color-primary-green); font-weight: bold; }
.logo i { font-size: 2rem; }


.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 0;
}

.nav-menu a { font-weight: 500; font-size: 0.9rem; }


.mobile-menu-btn {
  display: none; 
  font-size: 1.8rem; 
  cursor: pointer;
  color: var(--color-dark-green);
}


.hero { 
  background: var(--color-light-green-bg) url('shape-bg.svg') no-repeat bottom right; 
  padding: 155px 0 100px; position: relative; overflow: hidden; 
}

.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; position: relative; z-index: 1; }
.hero-text h1 { font-size: 3rem; line-height: 1.2; margin-bottom: 20px; }
.hero-text p { margin-bottom: 30px; font-size: 1.1rem; max-width: 450px; }
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }
.hero-images { position: relative; display: flex; justify-content: center; }
.collage { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.collage img { width: 100%; border-radius: 12px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); object-fit: cover; }
.collage img:first-child { grid-column: 1; grid-row: 1/span 2; height: 100%; }
.features { padding: 80px 0; background: var(--color-white); text-align: center; }
.features h2 { margin-bottom: 60px; font-size: 2.2rem; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.feature-item { display: flex; flex-direction: column; align-items: center; text-align: center; }
.icon-circle { width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.5rem; }
.icon-blue { background: #A4DCF1; color: #163C2D; }
.icon-yellow { background: #C4ED77; color: #163C2D; }
.icon-orange { background: #FEA829; color: #163C2D; }
.icon-teal { background: #A4DCF1; color: #163C2D; }
.icon-purple { background: #EF98EC; color: #163C2D; }
.mission { background-color: var(--color-light-blue); padding: 80px 0; }
.mission-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.mission-image { position: relative; }
.mission-image img { width: 100%; border-radius: 20px; border: 4px solid white; }
.badge-10k { position: absolute; top: -46px;
  left: -32px; background: url('star-shape.png') no-repeat center; width: 180px; height: 180px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; font-weight: bold; font-family: var(--font-heading); transform: rotate(-10deg); font-size: 34px;}
.mission-content ul{margin-top: 30px; margin-bottom: 40px;}
.mission-content li { margin-bottom: 15px; display: flex; align-items: center; gap: 10px; font-weight: 600;}
.mission-content li i, .mission-content li em { color: #153b2c;
  background: #E4FFE7;
  border-radius: 50%
    50%
    ;
  padding: 7px 6px;
  font-size: 0.8rem;
  width: 24px;
  height: 24px;
  text-align: center;}
.how-it-works { background-color: var(--color-primary-green); padding: 80px 0; text-align: center; }
.section-sub { margin-bottom: 50px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.step-item i, .step-item em { font-size: 3rem; margin-bottom: 20px; color: var(--color-dark-green); }
.impact { background-color: var(--color-dark-green); color: var(--color-white); padding: 80px 0 120px 0; text-align: center; }
.impact h2 { color: var(--color-primary-green); margin-bottom: 60px; }
.impact-grid {     display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px; margin-bottom: 80px;}
.impact h4{color:#fff; margin-bottom: 30px;}
.impact-item { display: flex; flex-direction: column; align-items: center; }
.impact-item img{ margin-bottom: 20px; }
.impact-circle { width: 100px; height: 100px; border: 2px solid var(--color-light-blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 2rem; }
.impact-item h3 { color: var(--color-primary-green); margin-bottom: 10px; }
.testimonials { transform: translateY(-50px); margin-bottom: -50px; }
.testimonial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.testimonial-card { background: #E4FFE7; padding: 40px; border-radius: 30px; text-align: center; box-shadow: 0 10px 25px rgba(0,0,0,0.05); }
.testimonial-card p { font-family: var(--font-heading); font-size: 1.1rem; font-style: italic; margin-bottom: 20px; color: var(--color-dark-green); }
.faq { padding: 100px 0 80px; background: var(--color-white); text-align: center; }
.faq-container { max-width: 800px; margin: 0 auto 40px; text-align: left; }
.faq-item { background: #b3e5fc; margin-bottom: 10px; border-radius: 8px; overflow: hidden; }
.faq-question { padding: 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; background: #e1f5fe; }
.faq-answer p { padding: 20px; }
.faq-item.active .faq-answer { max-height: 200px; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
footer { background-color: #143a2f; color: white; padding: 50px 0; text-align: center; }
.social-icons a { color: white; font-size: 1.5rem; margin: 0 10px; }


@media (max-width: 992px) {
  .hero-content, .mission-wrapper { grid-template-columns: 1fr; text-align: center; }
  .hero-text p, .hero-buttons { margin: 0 auto 30px; justify-content: center; }
  .hero::after { display: none; }
  .collage { max-width: 600px; margin: 0 auto; }
  .features-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {

  .mobile-menu-btn { display: block; }


  .nav-menu {
    display: none; 
    position: absolute;
    top: 100%; 
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    padding: 30px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    text-align: center;
    border-top: 1px solid #eee;
    z-index: 9999; 
  }

  .nav-menu li {
    margin-bottom: 20px;
  }


  .nav-menu.active {
    display: flex;
  }

  .features-grid, .steps-grid, .testimonial-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2.2rem; }
  .impact-grid { flex-direction: column; gap: 40px; }
  .mission-image { order: -1; }



}


@media (max-width: 767px) {
  .hero-text h1 {
    font-size: 2rem;
  }
  .hero-text p {
    font-size: 1rem;
    max-width: 100%;
  }
  .hero {
    background: var(--color-light-green-bg) url(shape-bg.svg) no-repeat bottom center;
    padding: 140px 0 56px;
  }
  .features h2 {
    margin-bottom: 40px;
    font-size: 1.8rem;
}
  h2 {
    font-size: 1.8rem;
  }
  h4 {
    font-size: 1.3rem;
  }
  h3 {
    font-size: 1.4rem;
  }
  .badge-10k {
    top: -46px;
    left: -7px;
    width: 140px;
    height: 140px;
    font-size: 24px;
    background-size: contain;
  }
.how-it-works {
    padding: 60px 0;
  }
  .step-item i, .step-item em {
    font-size: 2.5rem;
  }
  .mission {
    padding: 60px 0 40px;
}
  .impact {
    padding: 60px 0 100px 0;
  }
  .impact h2 {
    margin-bottom: 40px;
}
  .impact-grid {
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
  }
  .impact-grid {
    margin-bottom: 68px;
}
  .faq-question i {
    margin-left: 16px;
}
}

@media (max-width: 500px) {
  .btn {
    width: 100%;
  }
}