*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background-color:#080c0a;color:#e2ece6;font-family:'DM Sans',sans-serif;overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(0,200,83,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(0,200,83,.025) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;z-index:0}
.hero-blob{position:absolute;width:680px;height:680px;background:radial-gradient(circle,rgba(0,200,83,.18) 0%,transparent 70%);border-radius:50%;top:-180px;right:-140px;filter:blur(60px);pointer-events:none;animation:pulse-blob 7s ease-in-out infinite}
.hero-blob-2{position:absolute;width:420px;height:420px;background:radial-gradient(circle,rgba(0,200,83,.09) 0%,transparent 70%);border-radius:50%;bottom:-80px;left:-100px;filter:blur(50px);pointer-events:none;animation:pulse-blob 9s ease-in-out infinite reverse}
@keyframes pulse-blob{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.12);opacity:.75}}
.ticker-wrap{overflow:hidden;background:#0d1210;border-bottom:1px solid rgba(0,200,83,.15)}
.ticker-track{display:flex;gap:3rem;animation:ticker 28s linear infinite;white-space:nowrap;padding:.5rem 0;font-size:.75rem;color:#4a7a5a}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
nav{position:sticky;top:0;z-index:50;background:rgba(8,12,10,.85);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(0,200,83,.12)}
.gradient-text{background:linear-gradient(135deg,#fff 30%,#00C853 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:#00C853;color:#080c0a;font-family:'Syne',sans-serif;font-weight:700;letter-spacing:.03em;padding:.85rem 2rem;border-radius:2px;border:none;cursor:pointer;transition:all .25s;box-shadow:0 0 24px rgba(0,200,83,.35);text-decoration:none}
.btn-primary:hover{background:#00e65d;box-shadow:0 0 40px rgba(0,200,83,.55);transform:translateY(-2px)}
.btn-outline{display:inline-flex;align-items:center;gap:.5rem;background:transparent;color:#00C853;font-family:'Syne',sans-serif;font-weight:600;padding:.75rem 1.75rem;border-radius:2px;border:1px solid rgba(0,200,83,.45);cursor:pointer;transition:all .25s;text-decoration:none}
.btn-outline:hover{border-color:#00C853;background:rgba(0,200,83,.07);transform:translateY(-2px)}
.feature-card{background:#0d1210;border:1px solid rgba(0,200,83,.13);border-radius:4px;padding:2rem;transition:all .3s;position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,200,83,.05) 0%,transparent 60%);opacity:0;transition:opacity .3s}
.feature-card:hover{border-color:rgba(0,200,83,.4);box-shadow:0 0 32px rgba(0,200,83,.12);transform:translateY(-4px)}
.feature-card:hover::before{opacity:1}
.module-row{display:flex;align-items:center;gap:1.25rem;padding:1.25rem 1.5rem;background:#0d1210;border:1px solid rgba(0,200,83,.1);border-radius:3px;transition:all .25s}
.module-row:hover{border-color:rgba(0,200,83,.35);background:#111916}
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}
.dark-input{background:#111916;border:1px solid rgba(0,200,83,.2);color:#e2ece6;border-radius:2px;padding:.75rem 1rem;outline:none;font-family:'DM Sans',sans-serif;transition:all .25s;width:100%}
.dark-input:focus{border-color:#00C853;box-shadow:0 0 0 3px rgba(0,200,83,.12)}
.dark-input::placeholder{color:#4a6455}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:#080c0a}
::-webkit-scrollbar-thumb{background:rgba(0,200,83,.3);border-radius:3px}
.lang-switch a{font-size:10px;padding:2px 6px;text-decoration:none;color:#8aab96;transition:all .15s}
.lang-switch a:hover{color:#fff}
.lang-switch a.active{background:#00C853;color:#000;font-weight:700}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(0,200,83,.3),transparent);margin:0 auto;max-width:60rem}

/* Lesson viewer styles */
.lesson-content h2{font-family:'Syne',sans-serif;font-size:1.75rem;font-weight:700;color:#fff;margin-top:2.5rem;margin-bottom:1rem}
.lesson-content h3{font-family:'Syne',sans-serif;font-size:1.25rem;font-weight:600;color:#e2ece6;margin-top:2rem;margin-bottom:.75rem}
.lesson-content p{color:#8aab96;line-height:1.8;margin-bottom:1rem;font-size:.95rem}
.lesson-content ul,.lesson-content ol{color:#8aab96;line-height:1.8;margin-bottom:1rem;padding-left:1.5rem}
.lesson-content li{margin-bottom:.4rem}
.lesson-content strong{color:#e2ece6;font-weight:600}
.lesson-content .example-box{background:#111916;border:1px solid rgba(0,200,83,.2);border-radius:8px;padding:1.25rem;margin:1.25rem 0}
.lesson-content .example-box .example-label{color:#00C853;font-size:.7rem;text-transform:uppercase;letter-spacing:.15em;font-weight:700;margin-bottom:.5rem}
.lesson-content .example-box p{color:#c8e8d4;font-size:.9rem}
.lesson-content .source-tag{display:inline-block;background:rgba(0,200,83,.1);border:1px solid rgba(0,200,83,.2);color:#00C853;font-size:.65rem;padding:.15rem .6rem;border-radius:3px;margin-right:.4rem;margin-bottom:.3rem}
.lesson-content blockquote{border-left:3px solid #00C853;padding:.75rem 1.25rem;margin:1.25rem 0;background:#0d1210;border-radius:0 8px 8px 0;color:#a3c4b0;font-style:italic}
.lesson-content .key-concept{background:rgba(0,200,83,.05);border:1px solid rgba(0,200,83,.15);border-radius:8px;padding:1rem 1.25rem;margin:1rem 0}
.lesson-content .key-concept .key-label{color:#00C853;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.lesson-content .key-concept p{color:#c8e8d4;margin-bottom:0}
.lesson-content table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.9rem}
.lesson-content th{background:#111916;color:#00C853;padding:.75rem 1rem;text-align:left;border-bottom:2px solid rgba(0,200,83,.3)}
.lesson-content td{padding:.75rem 1rem;border-bottom:1px solid rgba(0,200,83,.1);color:#8aab96}
.lesson-content tr:hover td{background:rgba(0,200,83,.03)}

/* Audio player */
.audio-player{display:flex;align-items:center;gap:.75rem;background:#111916;border:1px solid rgba(0,200,83,.2);border-radius:8px;padding:.75rem 1rem;margin:1.5rem 0;cursor:pointer;transition:all .2s}
.audio-player:hover{border-color:#00C853}
.audio-player .play-btn{width:36px;height:36px;border-radius:50%;background:#00C853;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all .2s}
.audio-player .play-btn:hover{transform:scale(1.1)}
.audio-player .play-btn svg{width:16px;height:16px;fill:#080c0a}
.audio-player .audio-info{flex:1;min-width:0}
.audio-player .audio-label{color:#e2ece6;font-size:.85rem;font-weight:500}
.audio-player .audio-duration{color:#4a7a5a;font-size:.7rem}
.audio-player .waveform{flex:1;height:24px;display:flex;align-items:center;gap:2px}
.audio-player .waveform span{width:3px;background:rgba(0,200,83,.3);border-radius:2px;animation:wave 1.2s ease-in-out infinite}
.audio-player .waveform span:nth-child(2){animation-delay:.1s;height:14px}
.audio-player .waveform span:nth-child(3){animation-delay:.2s;height:10px}
.audio-player .waveform span:nth-child(4){animation-delay:.3s;height:18px}
.audio-player .waveform span:nth-child(5){animation-delay:.4s;height:12px}
.audio-player .waveform span:nth-child(6){animation-delay:.5s;height:16px}
.audio-player .waveform span:nth-child(7){animation-delay:.6s;height:8px}
.audio-player .waveform span:nth-child(8){animation-delay:.7s;height:20px}
.audio-player .waveform span:nth-child(9){animation-delay:.8s;height:14px}
.audio-player .waveform span:nth-child(10){animation-delay:.9s;height:10px}
@keyframes wave{0%,100%{height:6px}50%{height:20px}}
.audio-player.playing .waveform span{background:#00C853}

/* Progress tracking */
.progress-bar{height:4px;background:#111916;border-radius:2px;overflow:hidden;margin:1rem 0}
.progress-bar .progress-fill{height:100%;background:linear-gradient(90deg,#00C853,#00e65d);border-radius:2px;transition:width .5s ease}
.track-card{background:#0d1210;border:1px solid rgba(0,200,83,.13);border-radius:8px;padding:1.5rem;transition:all .3s;cursor:pointer}
.track-card:hover{border-color:#00C853;transform:translateY(-3px);box-shadow:0 0 24px rgba(0,200,83,.12)}
.track-card .track-icon{width:48px;height:48px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem}
.track-card .lesson-count{color:#4a7a5a;font-size:.8rem;margin-top:.5rem}

/* Responsive */
@media(max-width:768px){
  .hero-blob{width:400px;height:400px;top:-120px;right:-100px}
  .hero-blob-2{width:280px;height:280px;bottom:-60px}
  .feature-card{padding:1.25rem}
  .lesson-content h2{font-size:1.35rem}
  .lesson-content h3{font-size:1.1rem}
}

/* Print styles */
@media print{nav,.ticker-wrap,.audio-player,.btn-primary,.btn-outline{display:none!important}body{background:#fff;color:#000}body::before{display:none}.feature-card{border:1px solid #ddd;break-inside:avoid}} 

/* Instagram badge */
.ig-badge{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,#f58529,#dd2a7b,#8134af);color:#fff;padding:.4rem 1rem;border-radius:999px;font-size:.8rem;font-weight:600;text-decoration:none;transition:transform .2s}
.ig-badge:hover{transform:translateY(-2px)}