:root{
  --bg:#061b1e; --bg2:#052f34;
  --text:#eaf6f6; --muted:rgba(234,246,246,.78);
  --gold:#d7b56d; --teal:#0aa3a3;
  --shadow:0 18px 55px rgba(0,0,0,.46);
  --radius:18px; --radius2:26px;
  --max:1120px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;
  color:var(--text);
  background:
    radial-gradient(1100px 650px at 55% 12%, rgba(10,163,163,.20), transparent 56%),
    radial-gradient(900px 600px at 85% 30%, rgba(215,181,109,.14), transparent 56%),
    linear-gradient(160deg,var(--bg),var(--bg2));
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 18px}
.bg-pattern{
  position:fixed;inset:0;
  background-image:url("assets/pattern.svg");
  background-size:560px;
  opacity:.20;
  pointer-events:none;
  mix-blend-mode:overlay;
}

/* NAV */
.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(2,17,19,.60);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;min-width:220px}
.brand img{width:42px;height:42px;border-radius:14px;border:1px solid rgba(215,181,109,.35);background:rgba(255,255,255,.03)}
.brand h1{margin:0;font-size:15px}
.brand small{display:block;margin-top:2px;font-size:12px;color:var(--muted)}
.nav-links{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.nav-links a{padding:8px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.04);font-size:13px;color:var(--muted)}
.nav-links a:hover{border-color:rgba(215,181,109,.45);color:var(--text)}
.nav-cta{display:flex;gap:10px;align-items:center;justify-content:flex-end}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:999px;
  border:1px solid rgba(215,181,109,.45);
  background:linear-gradient(135deg, rgba(215,181,109,.26), rgba(10,163,163,.16));
  box-shadow:0 10px 25px rgba(0,0,0,.28);
  font-weight:800;font-size:13px;
}
.btn.secondary{border-color:rgba(255,255,255,.14);background:rgba(255,255,255,.05);box-shadow:none;color:var(--muted)}

.burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:18px;
}
.mobile-panel{display:none;padding:8px 0 14px}
.mobile-panel.open{display:block}
.mobile-panel .nav-links,.mobile-panel .nav-cta{justify-content:center}

/* HERO */
.hero{padding:54px 0 26px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:stretch}
.hero-card{
  border-radius:var(--radius2);
  background:linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow);
  padding:26px;
  position:relative;
  overflow:hidden;
}
.hero-card:before{
  content:"";
  position:absolute;inset:-2px;
  background:
    radial-gradient(440px 260px at 20% 10%, rgba(215,181,109,.24), transparent 55%),
    radial-gradient(520px 320px at 75% 30%, rgba(10,163,163,.20), transparent 60%);
  opacity:.95;
  pointer-events:none;
}
.hero-card>*{position:relative}
.kicker{display:inline-flex;align-items:center;gap:10px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);color:var(--muted);font-size:13px}
.kicker b{color:var(--gold)}
.hero h2{margin:14px 0 10px;font-size:36px;line-height:1.1;letter-spacing:-.4px}
.hero p{margin:0;color:var(--muted);font-size:15px;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:14px;background:rgba(0,0,0,.12);border:1px solid rgba(255,255,255,.10);color:var(--muted);font-size:13px}

.side{border-radius:var(--radius2);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);padding:22px;box-shadow:var(--shadow)}
.side h3{margin:0 0 10px;font-size:16px}
.callout{padding:14px;border-radius:18px;background:rgba(10,163,163,.08);border:1px solid rgba(10,163,163,.22);color:var(--muted)}
.callout b{color:var(--text)}
.pill{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap}
.pill a{padding:10px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.04);color:var(--muted);font-size:13px}

.note{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.7}

/* SECTIONS */
.section{padding:34px 0}
.section h3{margin:0 0 12px;font-size:22px}
.section p.lead{margin:0 0 18px;color:var(--muted);line-height:1.75}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.10);
  padding:16px;
  box-shadow:0 14px 35px rgba(0,0,0,.25);
  overflow:hidden;
}
.card h4{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--muted);line-height:1.65;font-size:14px}
.meta{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.10);background:rgba(0,0,0,.12);color:var(--muted)}
.tag.gold{border-color:rgba(215,181,109,.35);color:rgba(215,181,109,.95)}

/* Course image — NEVER HIDE */
.course-img{
  width:100%;
  height:auto;
  display:block;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.12);
  margin-bottom:12px;
}

/* Forms */
.form{max-width:760px;border-radius:var(--radius2);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);padding:18px;box-shadow:var(--shadow)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:block;font-size:12px;color:var(--muted);margin:10px 0 6px}
input,select,textarea{width:100%;padding:12px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.10);background:rgba(0,0,0,.18);color:var(--text);outline:none}
textarea{min-height:120px;resize:vertical}

/* Footer */
.footer{padding:26px 0 52px;border-top:1px solid rgba(255,255,255,.08);margin-top:26px;color:var(--muted)}
.footer a{color:rgba(215,181,109,.95)}

/* WhatsApp floating */
.fab{position:fixed;right:16px;bottom:16px;z-index:60}
.fab a{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:999px;
  background:linear-gradient(135deg, rgba(37,211,102,.22), rgba(215,181,109,.18));
  border:1px solid rgba(37,211,102,.45);
  box-shadow:0 18px 50px rgba(0,0,0,.38);
  font-weight:900;
}
.fab img{width:22px;height:22px;display:block}

/* Responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .brand{min-width:auto}
}
@media (max-width:720px){
  /* Show important buttons without needing to click menu */
  .nav-cta{display:none}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .nav-links{
    display:flex;
    flex-wrap:nowrap;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    gap:8px;
    padding:10px 0 12px;
    justify-content:flex-start;
  }
  .nav-links a{white-space:nowrap}
  .hero{padding:36px 0 18px}
  .hero h2{font-size:28px}
  .kicker{font-size:12px}
}