/* =========================================================
   STC EDUCATIONAL ACADEMY — PREMIUM LIGHT THEME (FINAL)
   White + Golden Highlights + Purple Brand
========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700;800;900&display=swap');

:root{
  --bg:#f7f6ff;
  --white:#ffffff;

  --text:#131426;
  --muted:#60657a;

  --purple:#3b1b5a;
  --purple2:#5a1ea6;

  --gold:#f7b500;
  --gold2:#ffd777;

  --border: rgba(20,10,40,0.09);
  --shadow: 0 18px 45px rgba(0,0,0,.10);
  --shadow2: 0 26px 75px rgba(0,0,0,.12);

  --radius:18px;
  --radius-lg:26px;

  --trans:220ms cubic-bezier(.2,.9,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Poppins",sans-serif;
  background:
    radial-gradient(1200px 620px at 18% -10%, rgba(90,30,166,.14), transparent 55%),
    radial-gradient(900px 520px at 95% 10%, rgba(247,181,0,.12), transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.7;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1320px,94%);margin:0 auto}

/* TOPBAR */
.topbar{
  background:linear-gradient(90deg,var(--purple),#160826);
  color:#fff;padding:10px 0;font-size:13px;
}
.topbar .row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.topbar .left,.topbar .right{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.badge{
  padding:8px 12px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
}
.iconbtn{
  width:38px;height:38px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  transition:var(--trans);
}
.iconbtn:hover{transform:translateY(-2px);background:rgba(255,255,255,.20)}
.iconbtn i.fa-youtube{color:#ff0000}
.iconbtn i.fa-instagram{color:#ff3d7f}
.iconbtn i.fa-facebook-f{color:#1877F2}

/* NAVBAR */
.navbar{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(12px);
}
.navwrap{display:flex;justify-content:space-between;align-items:center;padding:14px 0}
.brand{display:flex;gap:12px;align-items:center}
.brand img{
  width:60px;height:60px;border-radius:999px;object-fit:cover;
  border:2px solid rgba(90,30,166,.18);
}
.brand .name{font-size:28px;font-weight:1100;color:#1b1330;line-height:1.1}
.brand .tag{font-size:14px;font-weight:750;color:#6a6a7a;margin-top:4px}

.navlinks{display:flex;gap:10px;align-items:center}
.navlinks a{
  padding:10px 14px;border-radius:14px;
  font-weight:900;font-size:14px;
  transition:var(--trans);
}
.navlinks a:hover{background:rgba(90,30,166,.08);color:var(--purple2)}
.navlinks a.active{
  background:linear-gradient(135deg, rgba(247,181,0,.30), rgba(90,30,166,.12));
  border:1px solid rgba(90,30,166,.14);
}
.menuBtn{
  display:none;
  padding:10px 14px;border-radius:14px;
  font-weight:1000;border:1px solid var(--border);
  background:#fff;cursor:pointer;
}

/* HERO */
.hero{
  padding:74px 0 60px;
  background:
    radial-gradient(600px 300px at 18% 12%, rgba(247,181,0,.32), transparent 62%),
    radial-gradient(520px 320px at 88% 20%, rgba(255,61,127,.20), transparent 58%),
    linear-gradient(120deg,#2b0f47,#070512);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.heroSmall{padding:44px 0}
.heroGrid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:24px;
  align-items:center;
}
.hero h1{font-size:clamp(32px,4.2vw,56px);font-weight:1100;line-height:1.06}
.subtitle{margin-top:12px;color:rgba(255,255,255,.90);font-weight:800;font-size:16px}
.heroP{margin-top:12px;color:rgba(255,255,255,.85);font-weight:650;max-width:64ch}
.hero .cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}

.heroCard{
  padding:18px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow2);
  transition: var(--trans);
}
.heroCard:hover{transform:translateY(-5px)}
.heroCard h3{font-size:16px;font-weight:1100}
.heroCard p{margin-top:8px;font-size:13px;font-weight:650;color:rgba(255,255,255,.84)}
.heroCard .points{margin-top:14px;display:grid;gap:10px;font-size:13px;font-weight:800;color:rgba(255,255,255,.95)}
.dot{width:9px;height:9px;border-radius:999px;display:inline-block;margin-right:10px;background:linear-gradient(135deg,var(--gold),var(--gold2));box-shadow:0 0 0 6px rgba(247,181,0,.15)}

/* SECTION */
.section{padding:64px 0}
.sectionHeader{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.sectionHeader h2{font-size:28px;font-weight:1100;color:#141027}
.sectionHeader p{color:var(--muted);font-weight:650;max-width:600px}

/* BUTTON */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 18px;border-radius:16px;
  font-weight:1000;border:0;cursor:pointer;
  transition:var(--trans);
}
.btn.primary{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#2a1600;box-shadow:0 18px 55px rgba(247,181,0,.25)}
.btn.dark{background:linear-gradient(135deg,var(--purple),#12041f);color:#fff;box-shadow:0 18px 55px rgba(59,27,90,.20)}
.btn.outline{background:#fff;border:1px solid rgba(90,30,166,.18);color:var(--purple2)}
.btn:hover{transform:translateY(-2px)}

/* CARDS GRID */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  border-radius: var(--radius-lg);
  overflow:hidden;
  background: var(--white);
  border:1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--trans);
}
.card:hover{transform:translateY(-6px);box-shadow:0 28px 85px rgba(0,0,0,.14)}
.card .body{padding:16px 16px 18px}
.card h3{font-size:17px;font-weight:1100;color:#19132b}
.card .meta{margin-top:6px;font-size:13px;font-weight:650;color:#606379}
.pill{display:inline-flex;margin-top:10px;padding:7px 12px;border-radius:999px;font-weight:1000;font-size:12px;color:#2a1600;background:linear-gradient(135deg,var(--gold),var(--gold2))}

/* SLIDER */
.slider{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(90,30,166,.12);
  box-shadow:var(--shadow2);
  background:#fff;
}
.slides{display:flex;transition:transform 560ms cubic-bezier(.2,.9,.2,1)}
.slide{min-width:100%}
.posterSlide{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  padding:16px;
}
.posterSlide img{
  width:100%;
  height:280px;
  object-fit:contain;
  background:linear-gradient(135deg,#2b0f47,#070512);
  padding:8px;border-radius:18px;
  border:1px solid rgba(0,0,0,.08);
  transition:var(--trans);
}
.posterSlide img:hover{transform:translateY(-4px);box-shadow:0 20px 60px rgba(0,0,0,.18)}
.sliderNav{
  position:absolute;right:14px;bottom:14px;
  display:flex;gap:8px;
  padding:10px 12px;border-radius:999px;
  background:rgba(15,10,30,.45);
  border:1px solid rgba(255,255,255,.20);
}
.navDot{width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.38);cursor:pointer}
.navDot.active{background:linear-gradient(135deg,var(--gold),var(--gold2))}

/* GALLERY GRID */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gItem{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--border);
  background:#fff;
  box-shadow:var(--shadow);
  transition:var(--trans);
  cursor:pointer;
}
.gItem:hover{transform:translateY(-6px);box-shadow:0 28px 90px rgba(0,0,0,.16)}
.gItem img{
  width:100%;
  height:420px;
  object-fit:contain;
  background:linear-gradient(135deg,#2b0f47,#070512);
  padding:8px;
}
.viewMoreWrap{display:flex;justify-content:center;margin-top:24px}

/* MODAL */
.modal{
  position:fixed;inset:0;
  background:rgba(0,0,0,.72);
  display:none;place-items:center;
  padding:18px;z-index:999;
}
.modal.show{display:grid}
.modalContent{
  width:min(980px,96%);
  background:#fff;border-radius:var(--radius);
  overflow:hidden;position:relative;
  box-shadow:0 40px 120px rgba(0,0,0,.35);
}
.modalContent img{width:100%;height:auto}
.modalClose{
  position:absolute;right:14px;top:14px;
  border:0;border-radius:14px;
  padding:10px 12px;
  font-weight:1100;
  cursor:pointer;color:#fff;
  background:linear-gradient(135deg,var(--purple),#0b0616);
}

/* CONTACT FIX */
.contactGrid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.form{
  border-radius: var(--radius-lg);
  background:#fff;
  border:1px solid var(--border);
  box-shadow: var(--shadow);
  padding:22px;
}
.form h3{font-size:20px;font-weight:1100;margin-bottom:14px;color:#1b1330}
.input{display:grid;gap:8px;margin-bottom:14px}
.input label{font-weight:1000;font-size:14px;color:#1b1330}
.input input,.input textarea{
  width:100%;
  padding:14px 14px;
  border-radius:16px;
  border:1px solid rgba(90,30,166,.18);
  outline:none;
  font-size:14px;
  font-weight:650;
  transition: var(--trans);
  background:#fff;
}
.input textarea{min-height:140px;resize:vertical}
.input input:focus,.input textarea:focus{
  border-color: rgba(90,30,166,.45);
  box-shadow: 0 0 0 6px rgba(90,30,166,.12);
}
.map{
  border-radius: var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(90,30,166,.12);
  box-shadow: var(--shadow2);
  min-height: 460px;
  background:#fff;
}
.map iframe{width:100%;height:460px;border:0}

/* CTA BAR */
.ctaBar{
  display:flex;justify-content:space-between;align-items:center;
  gap:14px;flex-wrap:wrap;
  padding:22px 24px;
  border-radius: 26px;
  background:
    radial-gradient(600px 240px at 18% 0%, rgba(247,181,0,.35), transparent 55%),
    linear-gradient(135deg, #ffffff, #fff6da);
  border: 1px solid rgba(247,181,0,.35);
  box-shadow: 0 30px 90px rgba(0,0,0,0.12);
}
.ctaBar h3{font-size:22px;font-weight:1100;color:#1b1330}
.ctaBar p{font-size:14px;font-weight:700;color:#5a5a6d}

/* FOOTER */
.footer{
  margin-top:60px;
  color:#fff;
  background:linear-gradient(135deg,var(--purple),#06020c);
  padding:58px 0;
}
.footerGrid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1.15fr;
  gap:48px;
}
.footer p,.footer a{color:rgba(255,255,255,.82);font-size:13px;font-weight:650}
.footer a:hover{color:var(--gold)}
.credits{
  border-top:1px solid rgba(255,255,255,.16);
  margin-top:22px;padding-top:16px;
  font-size:12px;color:rgba(255,255,255,.70);
  font-weight:800;
}

/* WHATSAPP FLOAT */
.whatsappFloat{
  position:fixed;right:16px;bottom:16px;
  width:58px;height:58px;border-radius:999px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#2cff8e,#17d56d);
  color:#062012;font-size:20px;
  box-shadow:0 26px 70px rgba(0,0,0,.22);
  border:2px solid rgba(255,255,255,.70);
  z-index:1000;
}

/* RESPONSIVE */
@media(max-width:900px){
  .heroGrid{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .posterSlide{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .contactGrid{grid-template-columns:1fr}

  .menuBtn{display:inline-flex}
  .navlinks{
    position:absolute;left:0;right:0;top:80px;
    display:none;
    flex-direction:column;
    background:rgba(255,255,255,.98);
    border-bottom:1px solid var(--border);
    padding:12px;
  }
  .navlinks.show{display:flex}
}