@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;600;700&family=Literata:wght@400;600;700&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
body{background:#0b0b0c;color:#fff;overflow-x:hidden;font-family:'Manrope',sans-serif}

/* ── Page entrance animation ── */
body{opacity:0;animation:pageIn .6s ease forwards .05s}
@keyframes pageIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* ── Header ── */
header{
  position:fixed;top:0;left:0;width:100%;
  display:flex;justify-content:space-between;align-items:center;
  padding:16px 60px;
  background:rgba(0,0,0,.5);backdrop-filter:blur(12px);
  z-index:1000;transition:.3s;
  font-family:'Literata',serif;
}
header.scrolled{padding:10px 60px;background:rgba(0,0,0,.85)}

.header-left{display:flex;align-items:center;gap:12px}
.logo-img{width:36px;height:36px;object-fit:contain;border-radius:6px}
.logo{font-weight:700;text-decoration:none;color:#fff;font-size:15px;letter-spacing:.04em;font-family:'Literata',serif}

nav a{
  margin-left:24px;text-decoration:none;color:#fff;
  opacity:.6;transition:.3s;font-size:13px;font-family:'Literata',serif;letter-spacing:.03em;
}
nav a:hover{opacity:1}

/* ── Hero ── */
.hero{
  height:100vh;display:flex;flex-direction:column;
  justify-content:center;align-items:center;text-align:center;
  background:radial-gradient(circle at center,#1a1a1d,#0b0b0c);
}
.hero h1{
  font-size:88px;font-family:'Literata',serif;font-weight:700;
  letter-spacing:-.02em;
  opacity:0;transform:translateY(30px);animation:fadeUp 1s forwards .4s;
}
.link-btn{
  margin-top:40px;font-size:18px;color:#fff;cursor:pointer;
  opacity:0;transform:translateY(30px);animation:fadeUp 1s forwards .7s;
  text-decoration:none;position:relative;
}
.link-btn::after{content:'';position:absolute;left:0;bottom:-5px;width:0;height:1px;background:#fff;transition:.3s}
.link-btn:hover::after{width:100%}

/* ── Sections ── */
section{padding:120px 60px;max-width:1000px;margin:auto;background:radial-gradient(circle at center,#1a1a1d,#0b0b0c)}
h2{font-size:36px;margin-bottom:40px}
.text{line-height:1.8;opacity:.85;white-space:pre-line}

/* ── Home page: two columns side by side ── */
.home-sections{
  display:flex;
  gap:0;
  max-width:100%;
  padding:80px 60px 120px;
  background:transparent;
}
.home-sections > section{
  flex:1;
  padding:0 40px 0 0;
  background:transparent;
  max-width:none;
  margin:0;
}
.home-sections > section:last-child{padding:0 0 0 40px;border-left:1px solid rgba(255,255,255,0.08)}

/* ── Contacts ── */
.contacts{display:flex;gap:20px;align-items:center}
.icon{width:32px;height:32px;opacity:.7;transition:.3s;fill:#fff;display:block}
.icon:hover{opacity:1;transform:scale(1.1)}
.icon svg{width:32px;height:32px}

footer{display:none}

@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}

/* ── Team page ── */
.team{padding:140px 20px 120px;text-align:center}
.team h1{font-size:40px;margin-bottom:60px;opacity:0;animation:fadeUp .8s forwards .3s}

.cards{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}

.card{
  background:rgba(255,255,255,0.05);
  backdrop-filter:blur(10px);
  border-radius:20px;
  padding:20px;
  width:260px;
  transition:transform 0.35s ease, border 0.35s ease, box-shadow 0.35s ease;
  opacity:0;
  transform:translateY(30px);
  border:1px solid transparent;
}
.card:nth-child(1){animation:fadeUp .8s forwards .4s}
.card:nth-child(2){animation:fadeUp .8s forwards .55s}
.card:nth-child(3){animation:fadeUp .8s forwards .7s}
.card:hover{
  transform:scale(1.05);
  border:1px solid rgba(255,255,255,0.25);
  box-shadow:0 0 24px rgba(255,255,255,0.07), 0 8px 32px rgba(0,0,0,0.4);
}
.card img{width:100%;border-radius:15px}
.card h2{margin-top:15px;font-size:20px}
.desc{margin-top:10px;font-weight:500}
.sub{font-size:14px;opacity:0.7;margin-top:5px}
.tg{display:inline-block;margin-top:15px}
.tg svg{width:30px;height:30px;fill:#fff;opacity:.7;transition:.3s}
.tg svg:hover{opacity:1;transform:scale(1.2)}

/* ── Bio page ── */
section.bio-section{padding-top:140px;opacity:0;animation:fadeUp .8s forwards .3s}
section.bio-section h2{opacity:0;animation:fadeUp .8s forwards .4s}
section.bio-section .text{opacity:0;animation:fadeUp .8s forwards .55s}

/* ── Lessons page ── */
.lessons-page{padding:140px 60px 120px;max-width:1100px;margin:auto}
.lessons-title{font-size:40px;opacity:0;animation:fadeUp .8s forwards .3s}
.lessons-subtitle{font-size:16px;margin-top:12px;color:rgba(255,255,255,0.5);opacity:0;animation:fadeUp .8s forwards .45s}

.lesson-cards{display:flex;flex-wrap:wrap;gap:32px;margin-top:60px}

.lesson-card{
  display:flex;
  gap:24px;
  background:rgba(255,255,255,0.05);
  backdrop-filter:blur(10px);
  border-radius:20px;
  padding:24px;
  border:1px solid transparent;
  transition:transform .35s ease, border .35s ease, box-shadow .35s ease;
  opacity:0;
  animation:fadeUp .8s forwards .55s;
  max-width:680px;
}
.lesson-card:hover{
  transform:scale(1.02);
  border:1px solid rgba(255,255,255,0.2);
  box-shadow:0 0 24px rgba(255,255,255,0.06), 0 8px 32px rgba(0,0,0,0.4);
}
.lesson-thumb{flex-shrink:0;width:180px}
.lesson-thumb img{width:100%;border-radius:12px;display:block}
.lesson-info{display:flex;flex-direction:column;gap:10px;justify-content:center}
.lesson-tag{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;opacity:.5}
.lesson-name{font-size:20px;font-weight:700;line-height:1.3}
.lesson-desc{font-size:14px;line-height:1.7;opacity:.7}
.yt-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:4px;
  color:#fff;text-decoration:none;font-size:14px;font-weight:600;
  opacity:.8;transition:.3s;width:fit-content;
}
.yt-link svg{width:26px;height:26px;fill:#fff;flex-shrink:0}
.yt-link:hover{opacity:1;transform:translateX(3px)}

@media(max-width:768px){
  header{padding:16px 20px}
  .hero h1{font-size:48px}
  section{padding:80px 20px}
  .home-sections{flex-direction:column;padding:60px 20px 80px;gap:60px}
  .home-sections > section:last-child{padding:40px 0 0 0;border-left:none;border-top:1px solid rgba(255,255,255,0.08)}
}

@media(max-width:600px){
  .lesson-card{flex-direction:column}
  .lesson-thumb{width:100%}
  .lessons-page{padding:120px 20px 80px}
}