:root{
  --lav-1:#d7cbf5;      /* light lavender top */
  --lav-2:#c3b9f2;      /* mid */
  --lav-3:#b7c4f4;      /* blue-lavender */
  --purple:#7a5cf5;
  --purple-d:#6a3ce0;
  --blue:#4b57e0;
  --ink:#302a56;        /* headings dark */
  --ink-2:#4a4570;
  --muted:#7d7aa0;
  --card:#ffffff;
  --grad:linear-gradient(92deg,#4b57e0 0%,#7a5cf5 45%,#c15cff 100%);
  --shadow:0 30px 70px -30px rgba(74,50,140,.45);
  --radius:34px;
  --font:"Manrope",system-ui,-apple-system,sans-serif;
  --display:"Nunito",var(--font);
}

*{box-sizing:border-box;margin:0;padding:0}
html{}
body{
  font-family:var(--font);
  color:var(--ink-2);
  background:var(--lav-2);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* iOS-safe fixed background layer (avoids background-attachment:fixed jank) */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(120% 80% at 50% -10%, #e4dcfa 0%, transparent 55%),
    linear-gradient(160deg, var(--lav-1) 0%, var(--lav-2) 45%, var(--lav-3) 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.grad{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

/* ---------- decorative 3D blobs ---------- */
.blob-field{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.blob{
  position:absolute;border-radius:50%;filter:blur(.5px);
  background:
    radial-gradient(35% 35% at 32% 28%, rgba(255,255,255,.9), transparent 60%),
    radial-gradient(120% 120% at 70% 75%, #6a3ce0 0%, #9a5cff 45%, #c99bff 100%);
  box-shadow:0 30px 60px -20px rgba(90,50,180,.5);
  opacity:.85;
}
.b1{width:120px;height:120px;top:34%;left:-46px;transform:rotate(20deg)}
.b2{width:90px;height:90px;top:6%;left:41%;opacity:.6}
.b3{width:160px;height:150px;top:2%;right:-40px;border-radius:46% 54% 55% 45%}
.b4{width:120px;height:120px;top:66%;right:3%;}
.b5{width:80px;height:80px;top:82%;left:6%;opacity:.7}
.b6{width:70px;height:70px;top:120vh;right:12%;opacity:.5}

/* ---------- NAV ---------- */
.nav-wrap{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  z-index:40;width:min(1240px,94vw);
  display:flex;align-items:center;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;color:var(--ink);font-size:20px}
.brand-mark{display:grid;place-items:center;filter:drop-shadow(0 6px 12px rgba(120,80,220,.35))}
.brand-name{letter-spacing:.5px}
.nav-pill{
  margin:0 auto;display:flex;gap:6px;padding:8px;
  background:rgba(255,255,255,.72);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.7);
  border-radius:100px;box-shadow:0 18px 40px -22px rgba(70,40,140,.5);
}
.nav-pill a{
  padding:11px 20px;border-radius:100px;font-weight:600;font-size:15px;color:var(--ink-2);
  transition:background .2s,color .2s;
}
.nav-pill a:hover{color:var(--ink)}
.nav-pill a.active{background:#fff;color:var(--blue);box-shadow:0 6px 16px -8px rgba(70,40,140,.5)}
.btn-contact{
  padding:13px 26px;border-radius:100px;font-weight:700;font-size:15px;color:var(--blue);
  background:rgba(255,255,255,.55);border:1.5px solid rgba(120,90,230,.35);
  backdrop-filter:blur(14px);transition:transform .2s,background .2s;white-space:nowrap;
}
.btn-contact:hover{background:#fff;transform:translateY(-2px)}
.nav-burger{display:none;flex-direction:column;gap:5px;background:rgba(255,255,255,.7);border:none;
  padding:12px;border-radius:14px;cursor:pointer}
.nav-burger span{width:20px;height:2px;background:var(--ink);border-radius:2px}

/* ---------- HERO ---------- */
.hero{
  position:relative;z-index:1;
  min-height:100vh;padding:126px 5vw 0;
  display:flex;flex-direction:column;align-items:center;
  overflow:hidden;
}
.hero-glow{
  position:absolute;top:6%;left:50%;transform:translateX(-50%);
  width:1000px;height:1000px;max-width:150vw;
  background:radial-gradient(circle, rgba(255,255,255,.85) 0%, rgba(255,255,255,.35) 30%, transparent 62%);
  z-index:-1;
}
.hero-figure{
  position:relative;width:min(430px,50vw);height:min(430px,50vw);
  display:grid;place-items:center;margin-bottom:-8px;
}
.halo{
  position:absolute;width:78%;height:78%;border-radius:50%;
  background:radial-gradient(circle,#fff 0%,rgba(255,255,255,.9) 55%,rgba(255,255,255,0) 72%);
  box-shadow:0 0 80px 20px rgba(255,255,255,.55);
}
.rings{
  position:absolute;inset:0;border-radius:50%;
  background:
    repeating-radial-gradient(circle at 50% 50%, transparent 0 8px, rgba(150,120,235,.10) 8px 9px);
  -webkit-mask:radial-gradient(circle, #000 60%, transparent 72%);
  mask:radial-gradient(circle, #000 60%, transparent 72%);
  opacity:.8;
}
.hero-char{
  position:relative;width:82%;height:auto;object-fit:contain;
  filter:drop-shadow(0 30px 45px rgba(90,50,160,.3));
  animation:float 6s ease-in-out infinite;
  -webkit-mask:radial-gradient(64% 72% at 50% 42%, #000 60%, rgba(0,0,0,.35) 74%, transparent 84%);
  mask:radial-gradient(64% 72% at 50% 42%, #000 60%, rgba(0,0,0,.35) 74%, transparent 84%);
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

.hero-title{
  position:relative;z-index:2;text-align:center;font-family:var(--display);
  font-weight:800;line-height:1.06;color:var(--ink);
  font-size:clamp(28px, 3.3vw, 50px);letter-spacing:-.5px;
  margin:6px auto 0;max-width:14em;
}
.hero-title .grad{display:inline-block}

.hero-lead{
  position:absolute;left:5vw;bottom:76px;max-width:300px;z-index:3;
}
.hero-lead p{font-size:clamp(15px,1.2vw,18px);font-weight:500;color:var(--ink-2);line-height:1.5}
.lead-chips{display:flex;gap:12px;margin-top:20px}
.chip{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.65);border:1px solid rgba(255,255,255,.8);
  box-shadow:0 10px 24px -14px rgba(80,50,160,.6)}

.trust-card{
  position:absolute;right:5vw;bottom:76px;width:290px;z-index:3;
  background:rgba(255,255,255,.62);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.75);border-radius:26px;
  padding:24px 24px 22px;box-shadow:var(--shadow);
}
.trust-flower{position:absolute;top:-34px;right:14px;filter:drop-shadow(0 14px 22px rgba(110,60,220,.45))}
.trust-card h3{font-family:var(--display);font-weight:800;color:var(--ink);font-size:20px;margin-bottom:8px}
.trust-card p{font-size:14.5px;color:var(--ink-2);line-height:1.5}
.trust-shield{position:absolute;right:16px;bottom:-16px;width:40px;height:40px;border-radius:50%;
  background:#fff;display:grid;place-items:center;box-shadow:0 10px 22px -10px rgba(80,50,160,.6)}

.scroll-btn{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:5;
  width:56px;height:56px;border-radius:50%;background:#fff;display:grid;place-items:center;
  box-shadow:0 16px 34px -14px rgba(80,50,160,.6);transition:transform .2s;
}
.scroll-btn:hover{transform:translateX(-50%) translateY(4px)}
.hero-curve{
  position:absolute;left:0;right:0;bottom:0;height:120px;z-index:1;
  background:radial-gradient(120% 130% at 50% 130%, #fff 55%, transparent 56%);
}

.video-card{
  position:absolute;left:5vw;top:150px;width:300px;height:210px;z-index:3;border:none;cursor:pointer;
  border-radius:24px;overflow:hidden;box-shadow:var(--shadow);
  background:
    linear-gradient(180deg, rgba(106,60,224,.05) 0%, rgba(106,60,224,.55) 100%),
    url("teacher-alt.png") center 22% / cover no-repeat,
    linear-gradient(140deg,#b79bff,#8a5cf0 55%,#6a3ce0);
  transition:transform .25s ease, box-shadow .25s ease;
}
.video-card:hover{transform:translateY(-3px);box-shadow:0 40px 80px -28px rgba(74,50,140,.55)}
.video-card::after{
  content:"Смотреть за 90 секунд";position:absolute;left:20px;bottom:16px;z-index:2;
  color:#fff;font-weight:700;font-size:14px;text-shadow:0 2px 10px rgba(40,20,90,.5);
}
.video-play{position:absolute;top:22px;left:22px;z-index:2;width:54px;height:54px;border-radius:50%;
  background:rgba(255,255,255,.28);backdrop-filter:blur(6px);display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.6);box-shadow:0 8px 22px -8px rgba(40,20,90,.5);transition:transform .2s}
.video-card:hover .video-play{transform:scale(1.08)}

/* ---------- SECTIONS / CARDS ---------- */
.section{position:relative;z-index:1;width:min(1180px,92vw);margin:0 auto;padding:56px 0}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.7)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:14px;color:var(--ink-2);letter-spacing:.2px}
.eyebrow i{width:9px;height:9px;border-radius:50%;background:var(--purple);box-shadow:0 0 0 4px rgba(122,92,245,.18)}
.eyebrow.center{justify-content:center}
.h-lg{font-family:var(--display);font-weight:800;color:var(--ink);line-height:1.08;
  font-size:clamp(30px,3.8vw,50px);letter-spacing:-.5px}
.h-lg.center{text-align:center}
.sec-head{margin-bottom:38px;display:flex;flex-direction:column;align-items:center;gap:14px}

/* stats card */
.stats-card{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;padding:52px 54px;align-items:center;overflow:hidden}
.stats-copy .eyebrow{margin-bottom:18px}
.stats-copy .h-lg{margin-bottom:36px;max-width:9em}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px 44px;max-width:460px}
.stats-grid b{font-family:var(--display);font-weight:800;font-size:clamp(34px,3.4vw,46px);color:var(--ink);display:block;line-height:1}
.stats-grid p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.4;
  border-top:2px solid #efeaff;padding-top:10px}
.stats-orb{position:relative;height:360px;display:grid;place-items:center}
.orb-core{
  width:280px;height:280px;border-radius:50%;
  background:
    radial-gradient(38% 38% at 40% 32%, rgba(255,255,255,.85), transparent 60%),
    radial-gradient(70% 70% at 60% 62%, #8a3cf0 0%, #b06bff 40%, rgba(220,200,255,.2) 75%);
  box-shadow:inset 0 0 60px rgba(255,255,255,.4), 0 30px 70px -20px rgba(120,60,220,.6);
  border:1px solid rgba(255,255,255,.6);
  animation:pulse 7s ease-in-out infinite;
}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}
.orb-chip{position:absolute;top:44px;right:60px;width:44px;height:44px;border-radius:50%;background:#fff;
  display:grid;place-items:center;box-shadow:0 14px 30px -12px rgba(90,50,180,.6)}
.orb-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:rgba(255,255,255,.28);backdrop-filter:blur(6px);color:#fff;font-weight:700;font-size:14px;
  padding:8px 16px;border-radius:100px;border:1px solid rgba(255,255,255,.4)}

/* features */
.feat-card{padding:52px 54px}
.feat-card .eyebrow{margin-bottom:16px}
.feat-card .h-lg{margin:0 auto 46px;max-width:16em}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.feat-col h4{font-family:var(--display);font-weight:800;color:var(--ink);font-size:20px;margin-bottom:8px}
.feat-sub{font-size:14.5px;color:var(--muted);line-height:1.5;margin-bottom:20px;min-height:66px}

/* dashboards */
.dash{border-radius:22px;padding:18px;background:linear-gradient(180deg,#f7f5ff,#efeaff);
  border:1px solid #e7e0ff;box-shadow:0 20px 40px -24px rgba(90,50,160,.5);overflow:hidden}
.dash-top{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:14px}
.d-dot{width:8px;height:8px;border-radius:50%;background:#39d98a;box-shadow:0 0 0 4px rgba(57,217,138,.2)}
.d-bubble{font-size:13px;line-height:1.45;padding:11px 14px;border-radius:16px;max-width:88%;margin-bottom:10px}
.d-bubble.in{background:#fff;color:var(--ink-2);border-bottom-left-radius:5px}
.d-bubble.out{background:var(--grad);color:#fff;margin-left:auto;border-bottom-right-radius:5px}
.d-voice{display:flex;align-items:center;gap:10px;background:linear-gradient(92deg,#7a5cf5,#c15cff);
  border-radius:100px;padding:9px 14px;margin:0 0 10px;max-width:88%;}
.d-play{width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.3);display:grid;place-items:center;flex:none}
.d-wave{display:flex;align-items:center;gap:3px;flex:1;height:22px}
.d-wave i{width:3px;background:rgba(255,255,255,.9);border-radius:3px;height:35%;animation:wave 1.1s ease-in-out infinite}
.d-wave i:nth-child(2n){height:75%;animation-delay:.1s}
.d-wave i:nth-child(3n){height:55%;animation-delay:.2s}
.d-wave i:nth-child(4n){height:95%;animation-delay:.3s}
.d-wave i:nth-child(5n){height:45%;animation-delay:.15s}
@keyframes wave{0%,100%{transform:scaleY(.6)}50%{transform:scaleY(1)}}
.d-voice em{color:#fff;font-style:normal;font-size:12px;font-weight:600;flex:none}

.dp-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:16px}
.dp-head b{color:#39b06e;background:rgba(57,217,138,.15);padding:3px 9px;border-radius:8px;font-size:12px}
.dp-chart{display:flex;align-items:flex-end;gap:8px;height:110px;padding:0 2px 8px;border-bottom:1.5px solid #e7e0ff;margin-bottom:16px}
.dp-chart span{flex:1;height:var(--h);border-radius:6px 6px 3px 3px;background:linear-gradient(180deg,#a06bff,#6a4cf0);opacity:.9}
.dp-chart span:last-child{background:linear-gradient(180deg,#c15cff,#8a3cf0)}
.dp-tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dp-tiles div{background:#fff;border-radius:14px;padding:12px 14px}
.dp-tiles small{font-size:11.5px;color:var(--muted);display:block;margin-bottom:4px}
.dp-tiles b{font-family:var(--display);font-size:22px;color:var(--ink)}

.dh-title{font-family:var(--display);font-weight:800;color:var(--blue);font-size:16px;margin-bottom:14px}
.dh-item{display:flex;align-items:center;gap:12px;background:#fff;border-radius:14px;padding:12px 14px;margin-bottom:10px}
.dh-ic{width:34px;height:34px;border-radius:10px;flex:none;
  background:radial-gradient(60% 60% at 35% 30%, #fff6, transparent), var(--c)}
.dh-item div{flex:1;line-height:1.2}
.dh-item b{font-size:14px;color:var(--ink);display:block}
.dh-item small{font-size:12px;color:var(--muted)}
.dh-item em{font-style:normal;font-weight:800;font-family:var(--display);color:var(--purple);font-size:15px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:rgba(255,255,255,.6);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.7);
  border-radius:24px;padding:30px 24px;box-shadow:0 22px 44px -30px rgba(80,50,160,.6)}
.step-n{font-family:var(--display);font-weight:900;font-size:30px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.step h4{font-family:var(--display);font-weight:800;color:var(--ink);font-size:19px;margin:12px 0 8px}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.5}

/* why */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-card{background:#fff;border-radius:24px;padding:30px 26px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.7)}
.why-ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,#f0ebff,#e5ddff);border:1px solid #e7e0ff}
.why-card h4{font-family:var(--display);font-weight:800;color:var(--ink);font-size:19px;margin-bottom:8px}
.why-card p{font-size:14.5px;color:var(--ink-2);line-height:1.5}

/* reviews */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rev-card{background:#fff;border-radius:24px;padding:30px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.7)}
.stars{color:#ffb020;font-size:16px;letter-spacing:2px;margin-bottom:14px}
.rev-card p{font-size:15px;color:var(--ink-2);line-height:1.55;margin-bottom:22px}
.rev-user{display:flex;align-items:center;gap:12px}
.av{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;
  font-family:var(--display);background:radial-gradient(60% 60% at 35% 30%, #fff5, transparent), var(--c)}
.rev-user b{display:block;color:var(--ink);font-size:15px}
.rev-user small{color:var(--muted);font-size:13px}

/* CTA */
.cta{position:relative;overflow:hidden;text-align:center;border-radius:var(--radius);padding:70px 40px;
  background:linear-gradient(135deg,#6a4cf0 0%,#8a3cf0 50%,#c15cff 100%);
  box-shadow:0 40px 90px -30px rgba(110,60,220,.7)}
.cta-glow{position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:700px;height:700px;
  background:radial-gradient(circle,rgba(255,255,255,.4),transparent 60%)}
.cta h2{position:relative;font-family:var(--display);font-weight:900;color:#fff;font-size:clamp(30px,4vw,52px);line-height:1.05;margin-bottom:14px}
.cta p{position:relative;color:rgba(255,255,255,.9);font-size:17px;margin-bottom:30px}
.cta-form{position:relative;display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.cta-form input{flex:1;min-width:220px;padding:16px 22px;border-radius:100px;border:none;font-size:15px;font-family:var(--font);outline:none}
.cta-form button{padding:16px 30px;border-radius:100px;border:none;cursor:pointer;font-weight:800;font-size:15px;
  font-family:var(--font);color:var(--blue);background:#fff;transition:transform .2s;white-space:nowrap}
.cta-form button:hover{transform:translateY(-2px)}
.cta-note{position:relative;display:block;margin-top:16px;color:rgba(255,255,255,.8);font-size:13px}

/* footer */
.footer{position:relative;z-index:1;width:min(1180px,92vw);margin:20px auto 0;padding:40px 0 50px;
  display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;color:var(--ink);font-size:20px}
.foot-links{display:flex;gap:26px;flex-wrap:wrap;justify-content:center}
.foot-links a{font-weight:600;color:var(--ink-2);font-size:15px;transition:color .2s}
.foot-links a:hover{color:var(--blue)}
.foot-copy{color:var(--muted);font-size:13.5px}

/* ---------- reveal (JS-gated, resting state visible) ---------- */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .hero-char,.orb-core,.d-wave i{animation:none}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .video-card{display:none}
  .hero-lead,.trust-card{position:static;width:auto;max-width:none}
  .hero{padding-bottom:60px}
  .hero-extras{margin-top:20px}
}
@media (max-width:900px){
  .nav-pill{display:none}
  .nav-burger{display:flex}
  .nav-wrap{gap:10px}
  .btn-contact{margin-left:auto}
  .nav-pill.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:4px;
    background:rgba(255,255,255,.95);padding:12px;border-radius:22px}
  .nav-pill.open a{text-align:center}
  .stats-card{grid-template-columns:1fr;padding:40px 30px}
  .stats-orb{height:280px}
  .feat-grid{grid-template-columns:1fr;gap:36px}
  .feat-sub{min-height:0}
  .steps,.why-grid{grid-template-columns:1fr 1fr}
  .rev-grid{grid-template-columns:1fr}
  .hero-lead,.trust-card{margin:26px auto 0}
}
@media (max-width:560px){
  .hero{padding-top:120px}
  .hero-title{font-size:38px;margin-top:10px}
  .steps,.why-grid,.stats-grid{grid-template-columns:1fr}
  .feat-card,.stats-card,.section{padding-left:0;padding-right:0}
  .feat-card,.stats-card{padding:34px 22px}
  .section{width:94vw}
}

/* hero bottom cards stack container on mobile */
@media (max-width:1080px){
  .hero{flex-direction:column}
  .hero-extras{display:flex;flex-direction:column;gap:18px;width:min(360px,90vw)}
}

/* iOS scroll: избегаем double-scroll / rubber-band при show/hide адресбара (стандарты р.1.5) */
body{touch-action:pan-y;overscroll-behavior-y:none;}