:root{
  --bg:#070a16;
  --bg-2:#0c1126;
  --panel:rgba(20,28,54,.55);
  --panel-2:rgba(30,40,72,.4);
  --border:rgba(129,140,248,.22);
  --text:#eaf0ff;
  --muted:#a3aed0;
  --teal:#5eead4;
  --indigo:#818cf8;
  --violet:#c084fc;
  --grad:linear-gradient(120deg,#5eead4 0%,#818cf8 45%,#c084fc 100%);
  --radius:20px;
  --shadow:0 20px 60px rgba(8,12,30,.55);
  --font:'Inter','Segoe UI',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  position:relative;
}
/* Aurora background */
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(60% 50% at 15% 10%,rgba(94,234,212,.18),transparent 60%),
    radial-gradient(55% 50% at 85% 5%,rgba(192,132,252,.20),transparent 60%),
    radial-gradient(70% 60% at 50% 100%,rgba(129,140,248,.16),transparent 65%),
    linear-gradient(180deg,#070a16,#0a0e20 60%,#070a16);
  z-index:-2;
  animation:auroraShift 18s ease-in-out infinite alternate;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background-image:radial-gradient(rgba(129,140,248,.05) 1px,transparent 1px);
  background-size:40px 40px;
  z-index:-1;
  opacity:.5;
}
@keyframes auroraShift{
  0%{filter:hue-rotate(0deg)}
  100%{filter:hue-rotate(22deg)}
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Glass panels */
.glass{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}

/* Header */
header{
  position:sticky;top:0;z-index:100;
  backdrop-filter:blur(16px);
  background:rgba(7,10,22,.65);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px;font-weight:700;font-size:1.25rem;letter-spacing:.3px}
.logo img{width:36px;height:36px}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--muted);font-size:.95rem;transition:color .25s}
.nav-links a:hover{color:var(--text)}
.btn{
  display:inline-block;
  padding:13px 26px;
  border-radius:14px;
  font-weight:600;
  cursor:pointer;
  border:none;
  font-size:.95rem;
  transition:transform .25s,box-shadow .25s;
}
.btn-primary{background:var(--grad);color:#06101a;box-shadow:0 10px 30px rgba(129,140,248,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(129,140,248,.5)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--indigo);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.6rem;cursor:pointer}

/* Hero */
.hero{padding:90px 0 70px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.badge{
  display:inline-block;padding:7px 16px;border-radius:30px;
  background:var(--panel-2);border:1px solid var(--border);
  font-size:.82rem;color:var(--teal);margin-bottom:22px;letter-spacing:.5px;
}
.hero h1{font-size:3.2rem;line-height:1.12;font-weight:800;margin-bottom:22px;letter-spacing:-1px}
.hero p.lead{font-size:1.15rem;color:var(--muted);margin-bottom:32px;max-width:540px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual img{border-radius:24px;border:1px solid var(--border);box-shadow:var(--shadow)}
.float-card{
  position:absolute;padding:16px 20px;border-radius:16px;
  background:rgba(12,17,38,.8);border:1px solid var(--border);
  backdrop-filter:blur(12px);box-shadow:var(--shadow);
  animation:floaty 5s ease-in-out infinite;
}
.float-card .num{font-size:1.6rem;font-weight:800}
.float-card .lbl{font-size:.78rem;color:var(--muted)}
.fc-1{top:-22px;left:-26px;animation-delay:0s}
.fc-2{bottom:-22px;right:-20px;animation-delay:1.5s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* Section base */
section{padding:80px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 56px}
.sec-head .badge{margin-bottom:16px}
.sec-head h2{font-size:2.3rem;font-weight:800;margin-bottom:14px;letter-spacing:-.5px}
.sec-head p{color:var(--muted);font-size:1.05rem}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{padding:30px 24px;text-align:center}
.stat .n{font-size:2.6rem;font-weight:800;line-height:1}
.stat .t{color:var(--muted);margin-top:8px;font-size:.92rem}

/* Features / Courses */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{padding:30px 26px;transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-8px);border-color:var(--indigo)}
.card .icon{
  width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--panel-2);border:1px solid var(--border);margin-bottom:20px;font-size:1.5rem;
}
.card h3{font-size:1.25rem;margin-bottom:12px}
.card p{color:var(--muted);font-size:.95rem}

/* Course cards with image */
.course-card{overflow:hidden;padding:0;transition:transform .3s,border-color .3s}
.course-card:hover{transform:translateY(-8px);border-color:var(--violet)}
.course-card img{height:190px;width:100%;object-fit:cover}
.course-body{padding:24px}
.course-body .tag{font-size:.78rem;color:var(--teal);letter-spacing:.5px;text-transform:uppercase}
.course-body h3{font-size:1.2rem;margin:8px 0 10px}
.course-body p{color:var(--muted);font-size:.92rem;margin-bottom:16px}
.course-meta{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--muted);border-top:1px solid var(--border);padding-top:14px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{padding:28px 22px;position:relative}
.step .s-num{font-size:2.4rem;font-weight:800;opacity:.5}
.step h4{margin:10px 0 8px;font-size:1.1rem}
.step p{color:var(--muted);font-size:.9rem}

/* Pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.price-card{padding:36px 30px;display:flex;flex-direction:column;position:relative;transition:transform .3s}
.price-card:hover{transform:translateY(-8px)}
.price-card.featured{border:1px solid var(--indigo);box-shadow:0 24px 60px rgba(129,140,248,.3)}
.price-card .pill{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#06101a;padding:5px 18px;border-radius:20px;font-size:.78rem;font-weight:700}
.price-card .plan{font-size:1.1rem;color:var(--muted);margin-bottom:10px}
.price-card .amount{font-size:2.8rem;font-weight:800}
.price-card .amount span{font-size:1rem;color:var(--muted);font-weight:500}
.price-card ul{list-style:none;margin:24px 0 30px;flex-grow:1}
.price-card ul li{padding:9px 0;color:var(--muted);font-size:.93rem;display:flex;gap:10px;align-items:flex-start}
.price-card ul li::before{content:"✦";color:var(--teal);font-weight:700}
.price-note{text-align:center;color:var(--muted);font-size:.9rem;margin-top:34px}

/* Testimonials */
.grid-3 .quote{font-style:italic;margin-bottom:18px;color:var(--text)}
.author{display:flex;align-items:center;gap:14px}
.author img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:1px solid var(--border)}
.author .a-name{font-weight:600;font-size:.95rem}
.author .a-role{color:var(--muted);font-size:.82rem}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{margin-bottom:16px;overflow:hidden}
.faq-q{padding:22px 26px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1.02rem}
.faq-q span.ic{transition:transform .3s;color:var(--teal);font-size:1.3rem}
.faq-item.open .faq-q span.ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;padding:0 26px;color:var(--muted)}
.faq-item.open .faq-a{max-height:300px;padding:0 26px 22px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info h3{font-size:1.5rem;margin-bottom:18px}
.contact-info .info-row{display:flex;gap:14px;margin-bottom:22px;align-items:flex-start}
.contact-info .info-row .ic{font-size:1.3rem;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;flex-shrink:0}
.contact-info .info-row .d{font-size:.92rem;color:var(--muted)}
.contact-info .info-row .d strong{color:var(--text);display:block;margin-bottom:2px}
form .field{margin-bottom:18px}
form label{display:block;font-size:.9rem;margin-bottom:8px;color:var(--muted)}
form input,form select,form textarea{
  width:100%;padding:14px 16px;border-radius:12px;
  background:rgba(7,10,22,.6);border:1px solid var(--border);
  color:var(--text);font-family:inherit;font-size:.95rem;transition:border-color .25s;
}
form input:focus,form select:focus,form textarea:focus{outline:none;border-color:var(--indigo)}
form textarea{resize:vertical;min-height:120px}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--muted)}
.form-check input{width:auto;margin-top:4px}
.form-msg{margin-top:14px;font-size:.92rem;display:none;padding:12px 16px;border-radius:10px}
.form-msg.ok{display:block;background:rgba(94,234,212,.12);border:1px solid rgba(94,234,212,.4);color:var(--teal)}
.form-msg.err{display:block;background:rgba(252,132,132,.12);border:1px solid rgba(252,132,132,.4);color:#fca5a5}

/* Footer */
footer{border-top:1px solid var(--border);padding:60px 0 30px;background:rgba(7,10,22,.6)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-grid p{color:var(--muted);font-size:.92rem;margin-top:14px;max-width:340px}
.footer-col h4{font-size:1rem;margin-bottom:18px}
.footer-col a{display:block;color:var(--muted);font-size:.9rem;padding:6px 0;transition:color .25s}
.footer-col a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:.85rem}

/* Cookie banner */
.cookie-banner{
  position:fixed;bottom:20px;left:20px;right:20px;max-width:560px;margin:0 auto;
  padding:24px 26px;z-index:200;display:none;
}
.cookie-banner.show{display:block;animation:slideUp .5s ease}
@keyframes slideUp{from{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}
.cookie-banner h4{margin-bottom:8px;font-size:1.05rem}
.cookie-banner p{color:var(--muted);font-size:.88rem;margin-bottom:18px}
.cookie-banner p a{color:var(--teal);text-decoration:underline}
.cookie-actions{display:flex;gap:12px;flex-wrap:wrap}
.cookie-actions .btn{padding:10px 22px;font-size:.88rem}

/* Legal pages */
.legal{padding:120px 0 80px;max-width:880px}
.legal h1{font-size:2.4rem;margin-bottom:10px}
.legal .updated{color:var(--muted);font-size:.9rem;margin-bottom:36px}
.legal h2{font-size:1.4rem;margin:34px 0 14px}
.legal p,.legal li{color:var(--muted);margin-bottom:14px;font-size:.98rem}
.legal ul{padding-left:22px;margin-bottom:14px}
.legal a{color:var(--teal);text-decoration:underline}
.back-link{display:inline-block;margin-bottom:30px;color:var(--teal)}

/* Responsive */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:60px}
  .hero h1{font-size:2.5rem}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid-3,.pricing{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid,.footer-grid{grid-template-columns:1fr}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;background:rgba(7,10,22,.97);
    padding:30px;gap:20px;display:none;border-bottom:1px solid var(--border);
  }
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
}
@media(max-width:540px){
  .hero h1{font-size:2.1rem}
  .stats{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .sec-head h2{font-size:1.8rem}
}