:root{
  --green-900:#173d2a;
  --green-800:#205338;
  --green-700:#2d6b47;
  --green-600:#3f875b;
  --green-500:#5aa06e;
  --sand-50:#f8f6f1;
  --sand-100:#f0ece2;
  --ink:#162118;
  --muted:#5d695f;
  --line:rgba(22,33,24,.12);
  --white:#ffffff;
  --shadow:0 18px 45px rgba(16,40,25,.14);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --container:min(1180px, calc(100% - 32px));
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at top left, rgba(90,160,110,.12), transparent 30%),
    linear-gradient(180deg, #f7f4ee 0%, #f5f2eb 40%, #fbfaf7 100%);
}

a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:var(--container);margin:0 auto}

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:blur(14px);
  background:rgba(23,61,42,.9);
  border-bottom:1px solid rgba(255,255,255,.08);
}

.nav-wrap{
  min-height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}

.brand img{height:52px;width:auto}

.site-nav{
  display:flex;
  align-items:center;
  gap:10px;
}

.site-nav a{
  color:rgba(255,255,255,.94);
  padding:12px 16px;
  border-radius:999px;
  font-size:.95rem;
  font-weight:700;
  transition:.25s ease;
}

.site-nav a:hover{
  background:rgba(255,255,255,.08);
}

.menu-toggle{
  display:none;
  width:48px;
  height:48px;
  border:none;
  background:rgba(255,255,255,.08);
  border-radius:14px;
  cursor:pointer;
}

.menu-toggle span{
  display:block;
  width:22px;
  height:2px;
  background:#fff;
  margin:5px auto;
}

.hero{
  position:relative;
  overflow:hidden;
  padding:92px 0 68px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:28px;
  align-items:center;
}

.eyebrow{
  display:inline-flex;
  margin-bottom:18px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(63,135,91,.12);
  color:var(--green-800);
  font-weight:700;
  font-size:.88rem;
  letter-spacing:.04em;
  text-transform:uppercase;
}

.hero-copy h1,
.section-heading h2{
  line-height:1.05;
  letter-spacing:-.03em;
}

.hero-copy h1{
  font-size:clamp(2.4rem, 5vw, 4.8rem);
  max-width:12ch;
  margin-bottom:18px;
}

.hero-copy p,
.section-heading p,
.info-card p,
.long-copy p,
.footer-text,
footer p,
.course-content p{
  color:var(--muted);
  line-height:1.9;
  font-size:1rem;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:54px;
  padding:0 22px;
  border-radius:16px;
  font-weight:700;
  transition:.25s ease;
}

.btn-primary{
  background:linear-gradient(135deg, var(--green-600), var(--green-800));
  color:var(--white);
  box-shadow:var(--shadow);
}

.btn-secondary{
  background:rgba(255,255,255,.75);
  border:1px solid var(--line);
}

.btn:hover{transform:translateY(-2px)}

.hero-card,
.info-card,
.course-card,
.action-text-box,
.manuel-intro,
.feature-image,
.video-frame,
.actions-carousel{
  background:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.6);
  box-shadow:var(--shadow);
}

.hero-card{
  position:relative;
  padding:34px;
  border-radius:var(--radius-xl);
}

.hero-badge{
  position:absolute;
  top:22px;
  right:22px;
  background:var(--green-900);
  color:#fff;
  font-size:.8rem;
  font-weight:800;
  padding:8px 10px;
  border-radius:999px;
  letter-spacing:.06em;
}

.hero-logo{
  width:min(100%, 360px);
  margin:28px auto 22px;
}

.hero-glow{
  position:absolute;
  border-radius:999px;
  filter:blur(70px);
  opacity:.36;
  pointer-events:none;
}

.hero-glow-1{
  width:260px;
  height:260px;
  background:#8bc397;
  top:30px;
  right:8%;
}

.hero-glow-2{
  width:220px;
  height:220px;
  background:#d2bea4;
  bottom:18px;
  left:5%;
}

.section{padding:88px 0}

.section-heading{
  max-width:860px;
  margin-bottom:34px;
}

.section-heading h2{
  font-size:clamp(2rem, 3vw, 3.2rem);
  margin-bottom:16px;
}

.about-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:22px;
}

.info-card{
  padding:30px;
  border-radius:24px;
}

.info-card h3,
.course-content h3{
  margin-bottom:14px;
  font-size:1.2rem;
}

.content-split{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:28px;
  align-items:start;
}

.long-copy{
  display:flex;
  flex-direction:column;
  gap:18px;
}

.media-stack{
  display:flex;
  flex-direction:column;
  gap:20px;
}

.feature-image{
  border-radius:28px;
  overflow:hidden;
}

.video-frame{
  border-radius:28px;
  overflow:hidden;
  padding:14px;
}

.video-frame iframe{
  width:100%;
  aspect-ratio:16/9;
  border:none;
  border-radius:18px;
}

.manuel-intro{
  padding:28px;
  border-radius:28px;
  margin-bottom:28px;
}

.manuel-intro{
  display:grid;
  grid-template-columns:1fr;
}

.manuel-hero-image{
  width:100%;
  height:420px;
  object-fit:cover;
  border-radius:24px;
}

.mindmap{
  display:flex;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
  gap:18px;
  margin:36px 0 24px;
  position:relative;
}

.mind-node{
  border:none;
  cursor:pointer;
  padding:18px 24px;
  min-width:220px;
  border-radius:999px;
  background:linear-gradient(135deg, #eef5ef, #dceadf);
  color:var(--green-900);
  font-weight:800;
  font-size:1rem;
  box-shadow:0 12px 30px rgba(24,55,39,.12);
  transition:.25s ease;
}

.mind-node:hover,
.mind-node.active{
  transform:translateY(-4px) scale(1.02);
  background:linear-gradient(135deg, var(--green-600), var(--green-800));
  color:#fff;
}

.course-card{
  border-radius:28px;
  padding:28px;
}

.course-content{
  display:none;
}

.course-content.active{
  display:block;
}

.course-gallery{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:16px;
  margin-top:20px;
}

.course-gallery img{
  width:100%;
  height:260px;
  object-fit:cover;
  border-radius:20px;
}

.actions-carousel{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  padding:18px;
  margin-bottom:28px;
}

.carousel-track{
  position:relative;
  height:520px;
}

.carousel-image{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:20px;
  opacity:0;
  transition:opacity .45s ease;
}

.carousel-image.active{
  opacity:1;
}

.carousel-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:5;
  border:none;
  width:52px;
  height:52px;
  border-radius:999px;
  cursor:pointer;
  background:rgba(23,61,42,.78);
  color:#fff;
  font-size:2rem;
  display:flex;
  align-items:center;
  justify-content:center;
}

.carousel-btn.prev{left:26px}
.carousel-btn.next{right:26px}

.action-text-box{
  padding:30px;
  border-radius:28px;
}

.site-footer{
  background:linear-gradient(180deg, #204d39 0%, #163727 100%);
  color:#fff;
  padding-top:54px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr;
  gap:24px;
  padding-bottom:34px;
}

.footer-logo{height:56px;width:auto;margin-bottom:14px}
.site-footer h4{font-size:1rem;margin-bottom:12px}
.site-footer p{color:rgba(255,255,255,.82)}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0;
}

.footer-bottom p{
  font-size:.92rem;
  color:rgba(255,255,255,.75);
}

.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s ease, transform .7s ease;
}

.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

.delay-1{transition-delay:.12s}
.delay-2{transition-delay:.22s}

@media (max-width: 980px){
  .hero-grid,
  .content-split,
  .about-grid,
  .footer-grid,
  .course-gallery{
    grid-template-columns:1fr;
  }

  .carousel-track{
    height:340px;
  }

  .site-nav{
    position:absolute;
    top:100%;
    left:16px;
    right:16px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    padding:16px;
    border-radius:20px;
    background:rgba(23,61,42,.97);
    box-shadow:0 20px 40px rgba(0,0,0,.28);
  }

  .site-nav.open{display:flex}
  .menu-toggle{display:block}
}

@media (max-width: 640px){
  .hero{padding:72px 0 48px}
  .section{padding:64px 0}
  .hero-card,
  .info-card,
  .course-card,
  .manuel-intro,
  .action-text-box,
  .video-frame,
  .actions-carousel{
    padding:22px;
  }

  .mind-node{
    width:100%;
    min-width:unset;
  }

  .carousel-btn{
    width:44px;
    height:44px;
    font-size:1.6rem;
  }
}
.intro-section{
  padding:100px 0 70px;
}

.intro-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:start;
}

.intro-left h2{
  font-size:2.4rem;
  margin:16px 0 20px;
}

.intro-left p{
  margin-bottom:18px;
  line-height:1.9;
}

.board-card{
  background:#fff;
  border-radius:22px;
  padding:26px;
  box-shadow:0 20px 50px rgba(0,0,0,.08);
}

.board-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:18px;
}

.board-header h3{
  margin-bottom:6px;
}

.board-logo{
  width:120px;
}

.board-table{
  border-radius:14px;
  overflow:hidden;
  border:1px solid #e5e5e5;
}

.board-row{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  border-bottom:1px solid #e5e5e5;
}

.board-row:last-child{
  border-bottom:none;
}

.board-row div{
  padding:10px 12px;
  font-size:.9rem;
}

.board-row div:first-child{
  border-right:1px solid #e5e5e5;
}

.board-head{
  background:#1c4a34;
}

.board-head div{
  color:white;
  font-weight:600;
}

@media (max-width:1000px){

  .intro-grid{
    grid-template-columns:1fr;
  }

}