/* ============ Green Land School — Styles ============ */
:root{
  --green-1:#0f9d58;
  --green-2:#0b7a43;
  --green-dark:#063d24;
  --sun:#ffb020;
  --sun-2:#ff7a3d;
  --sky:#2fb6e0;
  --pink:#ff4d8d;
  --purple:#7c4dff;
  --cream:#fff9ef;
  --ink:#122318;
  --ink-soft:#4a5c52;
  --white:#ffffff;
  --shadow:0 20px 45px -20px rgba(6,61,36,.35);
  --radius:22px;
  --font-head:'Baloo 2', 'Poppins', sans-serif;
  --font-body:'Poppins', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
h1,h2,h3{font-family:var(--font-head);margin:0;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}

::selection{background:var(--sun);color:var(--ink);}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);
  box-shadow:0 2px 20px rgba(0,0,0,.06);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:78px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{width:48px;height:48px;border-radius:50%;object-fit:cover;box-shadow:0 4px 12px rgba(0,0,0,.15);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-family:var(--font-head);font-size:1.15rem;color:var(--green-dark);}
.brand-text small{color:var(--ink-soft);font-size:.72rem;}

.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{
  font-weight:600;font-size:.95rem;color:var(--ink);
  position:relative;padding:6px 2px;transition:color .25s;
}
.main-nav a:not(.nav-cta)::after{
  content:'';position:absolute;left:0;bottom:-2px;width:0;height:3px;
  background:linear-gradient(90deg,var(--green-1),var(--sun));
  border-radius:3px;transition:width .3s ease;
}
.main-nav a:not(.nav-cta):hover::after{width:100%;}
.main-nav a:not(.nav-cta):hover{color:var(--green-2);}
.nav-cta{
  background:linear-gradient(135deg,var(--green-1),var(--green-2));
  color:#fff !important;padding:10px 22px;border-radius:50px;
  box-shadow:0 8px 18px -6px rgba(15,157,88,.6);
  transition:transform .25s, box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 22px -6px rgba(15,157,88,.75);}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border:none;background:transparent;cursor:pointer;
}
.nav-toggle span{width:100%;height:3px;background:var(--green-dark);border-radius:3px;transition:.3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}

/* ---------- Hero / Slideshow ---------- */
.hero{margin-top:78px;}
.slideshow{
  position:relative;
  width:100%;
  max-width:1000px;
  height:400px;
  margin:0 auto;
  overflow:hidden;
  background:var(--green-dark);
}
.slide{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:0;
  transform:scale(1.06);
  transition:opacity 1.2s ease, transform 6s ease;
  z-index:1;
}
.slide.active{opacity:1;transform:scale(1);z-index:2;}
.hero-overlay{
  position:absolute;inset:0;z-index:3;
  background:linear-gradient(180deg, rgba(6,61,36,.15) 0%, rgba(6,61,36,.75) 100%);
}
.hero-content{
  position:absolute;inset:0;z-index:4;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;color:#fff;padding:0 20px;
}
.eyebrow{
  text-transform:uppercase;letter-spacing:3px;font-size:.75rem;font-weight:600;
  color:var(--sun);margin-bottom:8px;
}
.hero-content h1{
  font-size:clamp(2rem,5vw,3.2rem);
  text-shadow:0 6px 24px rgba(0,0,0,.35);
  margin-bottom:10px;
}
.hero-content p{
  max-width:520px;font-size:1rem;opacity:.95;margin:0 auto 22px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}
.btn{
  padding:12px 26px;border-radius:50px;font-weight:700;font-size:.9rem;
  transition:transform .25s ease, box-shadow .25s ease;
  display:inline-block;
}
.btn-primary{
  background:linear-gradient(135deg,var(--green-1),var(--green-2));
  color:#fff;box-shadow:0 10px 22px -6px rgba(15,157,88,.7);
}
.btn-ghost{
  background:rgba(15,157,88,.18);
  border:2px solid var(--green-1);
  color:#fff;
}
.btn:hover{transform:translateY(-3px);}
.btn-primary:hover{box-shadow:0 14px 26px -6px rgba(15,157,88,.85);}
.btn-ghost:hover{background:rgba(15,157,88,.32);}

.slide-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  background:rgba(255,255,255,.2);border:none;color:#fff;
  width:42px;height:42px;border-radius:50%;font-size:1rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  backdrop-filter:blur(4px);transition:background .25s, transform .25s;
}
.slide-arrow:hover{background:rgba(255,255,255,.4);transform:translateY(-50%) scale(1.08);}
.slide-arrow.prev{left:16px;}
.slide-arrow.next{right:16px;}

.slide-dots{
  position:absolute;bottom:16px;left:0;right:0;z-index:5;
  display:flex;justify-content:center;gap:9px;
}
.slide-dots .dot{
  width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.5);
  cursor:pointer;transition:all .3s ease;
}
.slide-dots .dot.active{background:var(--sun);width:26px;border-radius:6px;}

/* ---------- Section shared ---------- */
.section{padding:90px 0;}
.section-head{text-align:center;margin-bottom:52px;}
.section-head .tag{
  display:inline-block;padding:6px 18px;border-radius:50px;
  background:linear-gradient(135deg,#e9fbf1,#d7f7e6);
  color:var(--green-2);font-weight:700;font-size:.78rem;
  letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.8rem,3.5vw,2.6rem);color:var(--ink);}
.section-head.light .tag{background:rgba(255,255,255,.15);color:var(--sun);}
.section-head.light h2{color:#fff;}

/* ---------- Mission & Vision ---------- */
.mission-section{background:var(--cream);}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;}
.mv-card{
  background:#fff;border-radius:var(--radius);padding:44px 36px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .35s ease, box-shadow .35s ease;
}
.mv-card:hover{transform:translateY(-8px);}
.mv-card::before{
  content:'';position:absolute;top:-40px;right:-40px;width:140px;height:140px;
  border-radius:50%;opacity:.12;
}
.mv-mission::before{background:var(--green-1);}
.mv-vision::before{background:var(--sky);}
.mv-card h3{font-size:1.5rem;margin-bottom:14px;color:var(--green-dark);}
.mv-card p{color:var(--ink-soft);line-height:1.75;font-size:.98rem;}

/* ---------- Staff ---------- */
.staff-section{background:#fff;}
.staff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.staff-card{
  text-align:center;background:linear-gradient(180deg,#fff, #f4fbf6);
  border-radius:var(--radius);padding:34px 24px 30px;
  box-shadow:var(--shadow);transition:transform .35s ease;
}
.staff-card:hover{transform:translateY(-10px);}
.staff-photo{
  width:150px;height:150px;border-radius:50%;overflow:hidden;margin:0 auto 20px;
  border:5px solid var(--sun);box-shadow:0 10px 26px -8px rgba(15,157,88,.5);
}
.staff-photo img{width:100%;height:100%;object-fit:cover;}
.staff-card h3{font-size:1.25rem;color:var(--ink);margin-bottom:6px;}
.staff-role{
  display:inline-block;padding:5px 16px;border-radius:50px;
  background:linear-gradient(135deg,var(--green-1),var(--green-2));
  color:#fff;font-size:.8rem;font-weight:600;letter-spacing:.4px;
}

/* ---------- Departments ---------- */
.departments-section{
  background:linear-gradient(160deg,var(--green-dark) 0%, var(--green-2) 55%, var(--green-1) 100%);
  position:relative;
}
.dept-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.dept-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:34px 24px;text-align:center;color:#fff;
  backdrop-filter:blur(6px);
  transition:transform .35s ease, background .35s ease;
}
.dept-card:hover{transform:translateY(-10px) scale(1.02);background:rgba(255,255,255,.15);}
.dept-icon{
  margin-bottom:16px;
  width:96px;height:96px;border-radius:50%;
  margin-inline:auto;overflow:hidden;
  border:3px solid rgba(255,255,255,.35);
}
.dept-icon img{width:100%;height:100%;object-fit:cover;display:block;}
.dept-card h3{font-size:1.3rem;margin-bottom:12px;}
.dept-card p{font-size:.9rem;line-height:1.65;color:rgba(255,255,255,.85);}

/* ---------- Robotics Learning ---------- */
.robotics-section{
  background:linear-gradient(160deg,#0d1b3d 0%, #1e2f6b 55%, #3a4fc9 100%);
  position:relative;overflow:hidden;
}
.robotics-intro{
  max-width:680px;margin:0 auto 44px;text-align:center;
  color:rgba(255,255,255,.85);font-size:1rem;line-height:1.7;
}
.robotics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.robotics-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:34px 24px;text-align:center;color:#fff;
  backdrop-filter:blur(6px);
  transition:transform .35s ease, background .35s ease;
}
.robotics-card:hover{transform:translateY(-10px) scale(1.02);background:rgba(255,255,255,.15);}
.robotics-icon{
  margin-bottom:16px;
  width:96px;height:96px;border-radius:50%;
  margin-inline:auto;overflow:hidden;
  border:3px solid rgba(255,255,255,.35);
}
.robotics-icon img{width:100%;height:100%;object-fit:cover;display:block;}
.robotics-card h3{font-size:1.2rem;margin-bottom:12px;}
.robotics-card p{font-size:.9rem;line-height:1.65;color:rgba(255,255,255,.85);}

/* ---------- Follow Us / Social ---------- */
.social-section{background:#fff;}
.social-grid{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:44px;
}
.social-column{flex:1 1 420px;max-width:480px;display:flex;flex-direction:column;gap:18px;}
.social-card{
  display:flex;align-items:center;gap:18px;
  padding:26px 34px;border-radius:var(--radius);
  color:#fff;
  box-shadow:var(--shadow);transition:transform .3s ease, box-shadow .3s ease;
}
.social-card:hover{transform:translateY(-8px);}
.social-instagram{
  background:linear-gradient(135deg, #f58529, #dd2a7b 45%, #8134af 75%, #515bd4 100%);
}
.social-facebook{
  background:linear-gradient(135deg, #1877f2, #0a54c2);
}
.social-icon{
  width:56px;height:56px;flex:0 0 56px;border-radius:50%;
  background:rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;
}
.social-icon svg{width:28px;height:28px;}
.social-text h3{font-size:1.2rem;margin-bottom:4px;}
.social-text p{margin:0;font-size:.9rem;opacity:.92;}
.social-embed{
  width:100%;min-height:480px;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);background:#fff;
  display:flex;justify-content:center;align-items:flex-start;padding:6px;
}
.social-embed iframe{
  max-width:100% !important;width:100% !important;
}
.social-embed .instagram-media{
  max-width:100% !important;
}
.social-fallback{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:50px 24px;width:100%;color:var(--ink-soft);
}
.social-fallback .btn{padding:10px 24px;font-size:.85rem;}

@media (min-width:1300px){
  .social-column{max-width:560px;}
  .social-embed{min-height:540px;}
}

/* ---------- Gallery ---------- */
.gallery-section{background:var(--cream);}
.gallery-grid{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:16px;
}
.gallery-item{border-radius:16px;overflow:hidden;cursor:pointer;position:relative;box-shadow:var(--shadow);}
.gallery-item:nth-child(1){grid-column:span 2;grid-row:span 2;}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.gallery-item:hover img{transform:scale(1.08);}
.gallery-item::after{
  content:'🔍';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(6,61,36,0);color:#fff;font-size:1.4rem;opacity:0;transition:.3s;
}
.gallery-item:hover::after{background:rgba(6,61,36,.35);opacity:1;}

.lightbox{
  position:fixed;inset:0;background:rgba(6,20,12,.92);z-index:2000;
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.lightbox.open{opacity:1;pointer-events:all;}
.lightbox img{max-width:88vw;max-height:82vh;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.5);}
.lightbox-close{
  position:absolute;top:24px;right:32px;background:none;border:none;
  color:#fff;font-size:2.4rem;cursor:pointer;line-height:1;
}

/* ---------- Contact ---------- */
.contact-section{
  background:linear-gradient(135deg, #d3f8df 0%, #a8ecc0 55%, #7de3ac 100%);
}
.contact-section .section-head .tag{background:rgba(255,255,255,.55);color:var(--green-dark);}
.contact-section .section-head h2{color:var(--ink);}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.contact-card{
  background:rgba(255,255,255,.92);border-radius:var(--radius);
  padding:36px 24px;text-align:center;box-shadow:var(--shadow);
  transition:transform .3s ease;
}
.contact-card:hover{transform:translateY(-8px);}
.contact-icon{font-size:2.2rem;margin-bottom:12px;}
.contact-card h3{font-size:1.15rem;margin-bottom:8px;color:var(--ink);}
.contact-card p{color:var(--ink-soft);line-height:1.6;font-size:.95rem;}

/* ---------- Footer ---------- */
.site-footer{background:var(--green-dark);color:rgba(255,255,255,.8);padding:34px 0;}
.footer-inner{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;text-align:center;}
.footer-logo{width:38px;height:38px;border-radius:50%;object-fit:cover;}
.footer-inner p{margin:0;font-size:.85rem;}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .mv-grid{grid-template-columns:1fr;}
  .staff-grid{grid-template-columns:repeat(2,1fr);}
  .dept-grid{grid-template-columns:repeat(2,1fr);}
  .robotics-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(3,1fr);grid-auto-rows:150px;}
}

@media (max-width: 680px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;top:78px;left:0;right:0;
    background:#fff;flex-direction:column;align-items:flex-start;
    padding:20px 24px 28px;gap:16px;
    box-shadow:0 12px 24px rgba(0,0,0,.1);
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:all .3s ease;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:all;}
  .nav-cta{width:100%;text-align:center;}
  .slideshow{height:460px;}
  .hero-content{padding-bottom:36px;gap:2px;}
  .hero-content p{font-size:.9rem;margin-bottom:16px;}
  .hero-actions{gap:10px;}
  .btn{padding:10px 20px;font-size:.85rem;}
  .staff-grid{grid-template-columns:1fr;}
  .dept-grid{grid-template-columns:1fr;}
  .robotics-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:130px;}
  .gallery-item:nth-child(1){grid-column:span 2;grid-row:span 1;}
  .section{padding:64px 0;}
}