:root {
  --primary: #1e3d59;
  --primary-light: #2a5578;
  --accent: #ff6e40;
  --accent-light: #ff8a65;
  --green: #5fa87f;
  --bg: #f5f0eb;
  --card: #ffffff;
  --text: #1a1a2e;
  --text-light: #6b7280;
  --border: #e0d8d0;
  --radius: 16px;
  --shadow: 0 4px 20px rgba(30,61,89,0.08);
  --nav-h: 64px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--text);background:var(--bg);
  padding-bottom:calc(var(--nav-h) + 20px);line-height:1.7;
  -webkit-font-smoothing:antialiased
}

/* ===== FLOATING BOTTOM NAV ===== */
.topnav{display:none}
.botnav{
  position:fixed;bottom:16px;left:50%;transform:translateX(-50%);
  background:rgba(30,61,89,0.96);backdrop-filter:blur(12px);
  border-radius:40px;padding:8px 10px;z-index:999;
  display:flex;gap:2px;box-shadow:0 8px 32px rgba(0,0,0,0.2);
  max-width:calc(100vw - 32px);overflow-x:auto;
  -webkit-overflow-scrolling:touch
}
.botnav a{
  display:flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:30px;
  color:rgba(255,255,255,0.65);text-decoration:none;
  font-size:.78rem;font-weight:500;white-space:nowrap;
  transition:all .2s
}
.botnav a:hover,.botnav a.active{
  color:#fff;background:rgba(255,255,255,0.12)
}
.botnav a .icon{font-size:1.1rem}
@media(max-width:640px){
  .botnav a{padding:8px 10px;font-size:.72rem}
  .botnav a .label{display:none}
}

/* ===== TOP BAR ===== */
.topbar{
  padding:18px 24px;display:flex;align-items:center;justify-content:space-between;
  max-width:1100px;margin:0 auto;flex-wrap:wrap;gap:8px
}
.topbar h1{font-size:1.1rem;color:var(--primary);font-weight:700}
.topbar h1 span{color:var(--accent)}
.topbar small{font-size:.72rem;color:var(--text-light);display:block}
.topbar .bread{font-size:.78rem;color:var(--text-light)}
.topbar .bread a{color:var(--primary);text-decoration:none}
.topbar .bread a:hover{text-decoration:underline}

/* ===== PAGE CONTENT ===== */
.page{max-width:1100px;margin:0 auto;padding:0 24px 40px}

/* ===== HERO ===== */
.hero{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;border-radius:var(--radius);padding:48px 36px;
  margin-bottom:40px;position:relative;overflow:hidden
}
.hero::after{
  content:'';position:absolute;top:-30%;right:-10%;
  width:300px;height:300px;border-radius:50%;
  background:rgba(255,110,64,0.12)
}
.hero h1{font-size:1.7rem;margin-bottom:14px;position:relative}
.hero h1 span{color:var(--accent)}
.hero p{font-size:1rem;opacity:.9;max-width:560px;margin-bottom:20px;position:relative}

/* ===== COMPONENTS ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:40px;font-weight:600;
  font-size:.88rem;text-decoration:none;transition:all .2s;border:none;cursor:pointer
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-light);transform:translateY(-1px)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-ghost{background:var(--card);color:var(--primary);box-shadow:var(--shadow)}
.btn-ghost:hover{transform:translateY(-1px)}

.card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;
  transition:transform .2s
}
.card:hover{transform:translateY(-3px)}
.card-img{width:100%;height:180px;object-fit:cover;display:block}
.card-body{padding:20px}
.card-body h3{font-size:1.05rem;margin-bottom:6px}
.card-body p{font-size:.85rem;color:var(--text-light);margin-bottom:10px}
.card-body .tag{
  display:inline-block;background:var(--bg);color:var(--text-light);
  padding:2px 12px;border-radius:20px;font-size:.72rem;font-weight:600;margin-bottom:8px
}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:16px;margin-bottom:40px}
.stat{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:20px;text-align:center
}
.stat .num{font-size:1.5rem;font-weight:800;color:var(--accent);display:block}
.stat .lab{font-size:.75rem;color:var(--text-light);text-transform:uppercase;letter-spacing:1px}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}

/* ===== COURSE PAGE ===== */
.course-hdr{display:flex;gap:28px;margin-bottom:32px;align-items:flex-start;flex-wrap:wrap}
.course-hdr img{width:320px;border-radius:var(--radius);flex-shrink:0}
.course-meta{list-style:none;margin:12px 0}
.course-meta li{padding:6px 0;font-size:.85rem;color:var(--text-light)}
.course-meta li strong{color:var(--text)}

/* ===== PRICING ===== */
.pgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin:24px 0}
.pcard{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:28px 20px;text-align:center;border:2px solid transparent;position:relative
}
.pcard.featured{border-color:var(--accent);transform:scale(1.03)}
.pcard .price{font-size:2rem;font-weight:800;color:var(--primary);margin:12px 0}
.pcard .price small{font-size:.8rem;font-weight:400;color:var(--text-light)}
.pcard ul{text-align:left;margin:16px 0;padding:0}
.pcard ul li{list-style:none;padding:7px 0;font-size:.84rem;border-bottom:1px solid var(--border)}
.pcard ul li:last-child{border-bottom:none}
.pcard .badge{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;padding:4px 16px;border-radius:20px;
  font-size:.72rem;font-weight:700;text-transform:uppercase
}

/* ===== FORM ===== */
.contact-form{max-width:520px}
.contact-form label{display:block;font-size:.82rem;font-weight:600;margin-bottom:4px}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:12px;
  font-size:.92rem;font-family:var(--font);margin-bottom:14px;background:var(--card)
}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent)}
.contact-form textarea{min-height:100px;resize:vertical}

/* ===== LEGAL ===== */
.legal h1{font-size:1.4rem;color:var(--primary);margin-bottom:20px}
.legal h2{font-size:1.05rem;color:var(--primary);margin:24px 0 10px}
.legal p{margin-bottom:12px;color:var(--text-light)}
.legal ul{margin:10px 0 16px 22px}
.legal ul li{margin-bottom:6px;color:var(--text-light)}

/* ===== FAQ ===== */
details.faq-item{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:10px;overflow:hidden}
details.faq-item summary{
  padding:16px 20px;font-weight:600;cursor:pointer;font-size:.95rem;
  display:flex;justify-content:space-between;align-items:center;
  list-style:none
}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:'▾';transition:transform .3s;font-size:.8rem}
details[open].faq-item summary::after{transform:rotate(180deg)}
details.faq-item .faq-a{padding:0 20px 16px;font-size:.85rem;color:var(--text-light);line-height:1.7}

/* ===== THANK YOU ===== */
.ty{text-align:center;padding:80px 24px}
.ty .big{font-size:4rem;margin-bottom:12px}
.ty h1{font-size:1.6rem;color:var(--primary);margin-bottom:10px}
.ty p{color:var(--text-light);max-width:480px;margin:0 auto}

/* ===== COURSE SECTION ===== */
.mod{background:var(--card);border-radius:var(--radius);padding:20px 24px;margin-bottom:14px}
.mod h3{color:var(--primary);font-size:1rem;margin-bottom:6px}
.mod p{font-size:.84rem;color:var(--text-light)}
.sectitle{font-size:1.2rem;color:var(--primary);margin:28px 0 16px;font-weight:700}

/* ===== FOOTER ===== */
.footer{
  background:var(--primary);color:rgba(255,255,255,.7);padding:32px 24px;font-size:.8rem;
  max-width:1100px;margin:40px auto 0;border-radius:var(--radius) var(--radius) 0 0
}
.footer .fg{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px;max-width:1100px;margin:0 auto}
.footer h4{color:#fff;margin-bottom:10px;font-size:.86rem}
.footer ul{list-style:none}
.footer ul li{margin-bottom:5px}
.footer a{color:var(--accent);text-decoration:none}
.footer a:hover{text-decoration:underline}
.footer .cp{margin-top:20px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1)}
@media(max-width:900px){
  .grid2,.grid3{grid-template-columns:1fr}
  .course-hdr{flex-direction:column}
  .course-hdr img{width:100%}
  .pcard.featured{transform:none}
  .footer .fg{grid-template-columns:1fr}
  .hero{padding:32px 24px}
  .hero h1{font-size:1.3rem}
}
@media(max-width:640px){
  .stats{grid-template-columns:1fr 1fr}
  .page{padding:0 16px 32px}
  .topbar{padding:14px 16px}
}