/* ===== RESET ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root {
    --bg: #0B0E17;
    --bg2: #111827;
    --surface: rgba(255,255,255,0.05);
    --glass: rgba(255,255,255,0.06);
    --glass-border: rgba(255,255,255,0.1);
    --text: #E5E7EB;
    --text-dim: #9CA3AF;
    --accent: #6366F1;
    --accent2: #EC4899;
    --gradient: linear-gradient(135deg, #6366F1, #EC4899, #F59E0B);
    --glow: 0 0 30px rgba(99,102,241,0.3);
    --radius: 20px;
    --radius-sm: 12px;
}

html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:#fff;line-height:1.15}
h2{font-size:clamp(2rem,5vw,3rem);text-align:center;margin-bottom:48px}
a{text-decoration:none;color:inherit}

/* ===== GLASS ===== */
.glass {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* ===== SCROLL PROGRESS ===== */
.scroll-progress{position:fixed;top:0;left:0;height:3px;background:var(--gradient);z-index:1000;width:0;transition:width 0.1s}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;transition:background 0.3s,backdrop-filter 0.3s}
.nav.scrolled{background:rgba(11,14,23,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.nav-inner{display:flex;justify-content:space-between;align-items:center}
.logo{font-weight:900;font-size:1.4rem;letter-spacing:-0.5px}
.logo-sm{font-size:1.1rem}
.logo-accent{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-cta{font-size:0.85rem;font-weight:600;padding:8px 20px;border-radius:50px;border:1px solid var(--glass-border);transition:0.3s}
.nav-cta:hover{border-color:var(--accent);color:var(--accent)}
.nav-back{font-size:0.85rem;font-weight:500;opacity:0.6;transition:0.3s;text-decoration:none}
.nav-back:hover{opacity:1;color:var(--accent)}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 36px;border-radius:50px;font-size:1rem;font-weight:700;cursor:pointer;transition:0.3s;border:none;font-family:inherit}
.btn-glow{background:var(--gradient);color:#fff;box-shadow:var(--glow);position:relative;overflow:hidden}
.btn-glow::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent,rgba(255,255,255,0.2),transparent);transform:translateX(-100%);transition:0.5s}
.btn-glow:hover::before{transform:translateX(100%)}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 50px rgba(99,102,241,0.4)}
.btn-ghost{background:transparent;color:var(--text);border:2px solid var(--glass-border)}
.btn-ghost:hover{border-color:var(--accent);color:#fff}
.btn-full{width:100%}

/* ===== REVEAL ANIMATION ===== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 0.7s ease,transform 0.7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:100px 0 60px;overflow:hidden}
#hero-canvas{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 340px;gap:60px;align-items:center;position:relative;z-index:1}
.hero-badge{display:inline-block;padding:6px 16px;border-radius:50px;font-size:0.8rem;font-weight:600;background:var(--glass);border:1px solid var(--glass-border);color:var(--accent);margin-bottom:20px;letter-spacing:1px;text-transform:uppercase}
.hero h1{font-size:clamp(2.5rem,6vw,4rem);font-weight:900;line-height:1.05;margin-bottom:20px}
.hero h1 br+br{display:none}
.hero-sub{font-size:1.15rem;color:var(--text-dim);margin-bottom:36px;max-width:500px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}

/* Scroll hint */
.hero-scroll-hint{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:2}
.scroll-arrow{width:24px;height:24px;border-right:2px solid var(--text-dim);border-bottom:2px solid var(--text-dim);transform:rotate(45deg);animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:rotate(45deg) translateY(0)}50%{transform:rotate(45deg) translateY(8px)}}

/* Phone mockup */
.phone{width:280px;height:520px;background:#1A1D2E;border-radius:40px;padding:8px;box-shadow:0 25px 80px rgba(0,0,0,0.5),inset 0 0 0 2px rgba(255,255,255,0.08);position:relative;animation:phonefloat 6s ease-in-out infinite}
@keyframes phonefloat{0%,100%{transform:translateY(0) rotate(2deg)}50%{transform:translateY(-14px) rotate(-1deg)}}
.phone-notch{width:100px;height:24px;background:#0B0E17;border-radius:0 0 16px 16px;margin:0 auto 8px;position:relative;z-index:2}
.phone-screen{background:#0F1219;border-radius:32px;height:calc(100% - 32px);padding:16px 12px;overflow:hidden;display:flex;flex-direction:column;gap:8px}
.chat-msg{padding:10px 14px;border-radius:18px;font-size:0.8rem;line-height:1.5;max-width:82%;opacity:0;transform:translateY(8px);animation:msgIn 0.4s ease forwards}
@keyframes msgIn{to{opacity:1;transform:translateY(0)}}
.chat-msg.bot{background:rgba(255,255,255,0.08);align-self:flex-start;border-bottom-left-radius:4px}
.chat-msg.user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-msg.correct{background:rgba(16,185,129,0.2);color:#6EE7B7;border-bottom-left-radius:4px;align-self:flex-start}
.chat-msg .typing{display:inline-flex;gap:4px}
.chat-msg .typing span{width:6px;height:6px;border-radius:50%;background:var(--text-dim);animation:typeDot 1.2s infinite}
.chat-msg .typing span:nth-child(2){animation-delay:0.2s}
.chat-msg .typing span:nth-child(3){animation-delay:0.4s}
@keyframes typeDot{0%,100%{opacity:0.3;transform:scale(0.8)}50%{opacity:1;transform:scale(1.2)}}

/* ===== TICKER ===== */
.ticker{overflow:hidden;padding:20px 0;border-top:1px solid var(--glass-border);border-bottom:1px solid var(--glass-border)}
.ticker-track{display:flex;gap:48px;animation:tickerScroll 20s linear infinite;width:max-content}
.ticker-track span{font-size:1.1rem;font-weight:700;color:rgba(255,255,255,0.15);letter-spacing:2px;white-space:nowrap}
@keyframes tickerScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ===== HOW (TIMELINE) ===== */
.how{padding:120px 0}
.timeline{display:flex;flex-direction:column;gap:32px;max-width:600px;margin:0 auto;position:relative}
.timeline::before{content:'';position:absolute;left:28px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--accent),var(--accent2))}
.tl-item{display:flex;gap:24px;align-items:flex-start}
.tl-num{width:56px;height:56px;flex-shrink:0;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.3rem;position:relative;z-index:1}
.tl-card{padding:28px;flex:1}
.tl-card h3{font-size:1.2rem;margin-bottom:8px}
.tl-card p{color:var(--text-dim);font-size:0.95rem}

/* ===== DEMO ===== */
.demo{padding:120px 0;text-align:center}
.demo-lang-switch{display:flex;justify-content:center;gap:8px;margin-bottom:24px;flex-wrap:wrap}
.demo-lang{padding:8px 18px;border-radius:50px;border:1px solid var(--glass-border);background:transparent;color:var(--text-dim);cursor:pointer;font-size:0.85rem;font-weight:600;transition:0.3s;font-family:inherit}
.demo-lang:hover{border-color:var(--accent);color:#fff}
.demo-lang.active{background:var(--gradient);color:#fff;border-color:transparent}
.demo-hint{color:var(--text-dim);margin:0 0 36px;font-size:1rem}
.demo-box{max-width:500px;margin:0 auto;padding:40px 32px;text-align:center}
.demo-word{font-size:2.5rem;font-weight:900;margin-bottom:28px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.demo-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.demo-opt{padding:14px;border-radius:var(--radius-sm);background:rgba(255,255,255,0.05);border:2px solid var(--glass-border);cursor:pointer;font-size:1rem;font-weight:600;color:var(--text);transition:0.3s;font-family:inherit}
.demo-opt:hover{border-color:var(--accent);background:rgba(99,102,241,0.1)}
.demo-opt.right{border-color:#10B981;background:rgba(16,185,129,0.15);color:#6EE7B7;animation:pop 0.3s ease}
.demo-opt.wrong{border-color:#EF4444;background:rgba(239,68,68,0.15);color:#FCA5A5;animation:shake 0.4s ease}
@keyframes pop{0%{transform:scale(1)}50%{transform:scale(1.05)}100%{transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.demo-result{font-size:1.1rem;font-weight:600;min-height:32px;margin-bottom:12px}
.demo-next{margin:0 auto}
.demo-score{margin-top:24px;font-size:1.1rem;color:var(--text-dim)}
.demo-score span{color:#fff;font-weight:800}

/* ===== EXERCISES ===== */
.section-note{text-align:center;color:var(--accent);font-size:1rem;font-weight:600;margin:-32px 0 36px;opacity:0.85}
.exercises{padding:120px 0;background:var(--bg2)}
.ex-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:36px}
.ex-tab{padding:10px 28px;border-radius:50px;border:1px solid var(--glass-border);background:transparent;color:var(--text-dim);cursor:pointer;font-size:0.9rem;font-weight:600;transition:0.3s;font-family:inherit}
.ex-tab.active{background:var(--gradient);color:#fff;border-color:transparent}
.ex-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.ex-card{padding:28px 20px;text-align:center;position:relative;transition:0.4s;cursor:default}
.ex-card:hover{transform:translateY(-6px);box-shadow:var(--glow)}
.ex-card.hidden{display:none}
.ex-card.ai{border-color:rgba(236,72,153,0.3)}
.ai-tag{position:absolute;top:12px;right:12px;background:var(--gradient);color:#fff;font-size:0.65rem;font-weight:800;padding:3px 10px;border-radius:20px;letter-spacing:1px}
.ex-emoji{font-size:2rem;margin-bottom:12px}
.ex-card h4{font-size:0.95rem;margin-bottom:6px}
.ex-card p{color:var(--text-dim);font-size:0.8rem}

/* ===== CEFR ===== */
.cefr{padding:120px 0}
.cefr-interactive{display:flex;justify-content:center;margin-bottom:40px}
.cefr-ring{width:280px;height:280px;position:relative;border-radius:50%;border:2px solid var(--glass-border)}
.cefr-dot{position:absolute;width:52px;height:52px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:0.9rem;cursor:pointer;transition:0.3s;color:#fff;z-index:2}
/* 6 dots on a circle, r=120, center=140, dot=52/2=26 */
.cefr-dot[style*="--i:0"]{left:114px;top:0px}    /* top center: 140-26, 0+0-26 → adjusted */
.cefr-dot[style*="--i:1"]{left:218px;top:44px}   /* top right */
.cefr-dot[style*="--i:2"]{left:218px;top:184px}  /* bottom right */
.cefr-dot[style*="--i:3"]{left:114px;top:228px}  /* bottom center */
.cefr-dot[style*="--i:4"]{left:10px;top:184px}   /* bottom left */
.cefr-dot[style*="--i:5"]{left:10px;top:44px}    /* top left */
.cefr-dot::before{content:attr(data-level)}
.cefr-dot:hover{transform:scale(1.2);box-shadow:0 0 20px rgba(99,102,241,0.3)}
.cefr-dot.active{transform:scale(1.35);box-shadow:0 0 40px rgba(99,102,241,0.5),0 0 80px rgba(236,72,153,0.2)}
.cefr-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1;pointer-events:none}
.cefr-label{font-size:2.5rem;font-weight:900;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:0.3s}
.cefr-desc{color:var(--text-dim);font-size:0.85rem;margin-top:4px;text-align:center;max-width:160px;transition:0.3s}
.cefr-pills{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.pill{padding:8px 20px;border-radius:50px;background:var(--glass);border:1px solid var(--glass-border);font-size:0.85rem;color:var(--text-dim)}

/* ===== FEATURES ===== */
.features{padding:120px 0;background:var(--bg2)}
.feat-split{display:grid;grid-template-columns:1fr auto 1fr;gap:48px}
.feat-col h2{text-align:left;font-size:1.8rem;margin-bottom:28px}
.feat-divider{width:1px;background:linear-gradient(to bottom,transparent,var(--glass-border),transparent)}
.feat-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}
.feat-icon{font-size:1.8rem;flex-shrink:0;margin-top:2px}
.feat-item h4{font-size:1rem;margin-bottom:4px}
.feat-item p{color:var(--text-dim);font-size:0.9rem}

/* ===== WHY TG ===== */
.why-tg{padding:120px 0}
.tg-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tg-card{padding:36px 20px;text-align:center;transition:0.3s}
.tg-card:hover{transform:translateY(-6px);box-shadow:var(--glow)}
.tg-big{font-size:2.5rem;font-weight:900;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}
.tg-card p{color:var(--text-dim);font-size:0.9rem}

/* ===== PAIN POINTS ===== */
.pains{padding:120px 0;background:var(--bg2)}
.pains-grid{display:flex;flex-direction:column;gap:20px;max-width:700px;margin:0 auto}
.pain-card{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:center;padding:28px 32px}
.pain-before{color:#FCA5A5;font-size:0.95rem;line-height:1.6}
.pain-arrow{font-size:1.5rem;color:var(--accent);font-weight:700}
.pain-after{color:#6EE7B7;font-size:0.95rem;font-weight:600;line-height:1.6}

/* ===== NUMBERS ===== */
.numbers{padding:80px 0;background:linear-gradient(135deg,var(--bg) 0%,#1a1040 100%)}
.numbers-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.num-card{padding:32px 16px}
.num-value{display:block;font-size:3rem;font-weight:900;font-family:'Inter',sans-serif;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}
.num-label{color:var(--text-dim);font-size:0.95rem}

/* ===== REVIEWS ===== */
.reviews{padding:120px 0}
.reviews-track-wrap{overflow:hidden;margin-top:48px;position:relative}
.reviews-track-wrap::before,.reviews-track-wrap::after{content:'';position:absolute;top:0;bottom:0;width:60px;z-index:2;pointer-events:none}
.reviews-track-wrap::before{left:0;background:linear-gradient(to right,var(--bg),transparent)}
.reviews-track-wrap::after{right:0;background:linear-gradient(to left,var(--bg),transparent)}
.reviews-track{display:flex;gap:20px;animation:scrollReviews 40s linear infinite;width:max-content}
.reviews-track:hover{animation-play-state:paused}
.rev-card{flex:0 0 340px;padding:28px;border-radius:var(--radius);transition:0.3s}
.rev-card:hover{transform:translateY(-4px);box-shadow:var(--glow)}
.rev-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.rev-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,hsl(var(--hue),70%,55%),hsl(calc(var(--hue)+40),70%,45%));display:flex;align-items:center;justify-content:center;font-weight:800;font-size:0.8rem;color:#fff;flex-shrink:0;letter-spacing:0.5px}
.rev-top strong{display:block;font-size:0.95rem;color:#fff}
.rev-top span{display:block;font-size:0.8rem;color:var(--text-dim);margin-top:2px}
.rev-card p{color:var(--text-dim);font-size:0.9rem;line-height:1.65}
@keyframes scrollReviews{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ===== FAQ ===== */
.faq{padding:120px 0;background:var(--bg2)}
.faq-list{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{overflow:hidden;transition:0.3s}
.faq-q{width:100%;padding:20px 24px;background:transparent;border:none;color:#fff;font-size:1.05rem;font-weight:600;text-align:left;cursor:pointer;font-family:inherit;display:flex;justify-content:space-between;align-items:center;gap:16px;transition:0.3s}
.faq-q::after{content:'+';font-size:1.4rem;font-weight:300;color:var(--accent);transition:0.3s;flex-shrink:0}
.faq-item.open .faq-q::after{content:'-';color:var(--accent2)}
.faq-q:hover{color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.4s ease}
.faq-item.open .faq-a{max-height:200px;padding:0 24px 20px}
.faq-a p{color:var(--text-dim);font-size:0.95rem;line-height:1.7}

/* ===== PRICING ===== */
.pricing{padding:120px 0;background:var(--bg2)}
.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.price-card{padding:36px 28px;display:flex;flex-direction:column;position:relative;transition:0.3s}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--glow)}
.price-card.featured{border-color:var(--accent);box-shadow:0 0 30px rgba(99,102,241,0.15)}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gradient);color:#fff;font-size:0.75rem;font-weight:700;padding:5px 18px;border-radius:50px;white-space:nowrap;letter-spacing:0.5px}
.price-head{text-align:center;margin-bottom:28px}
.price-head h3{font-size:1.2rem;margin-bottom:12px;color:#fff}
.price-amount{font-size:2.8rem;font-weight:900;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}
.price-amount span{font-size:1rem;font-weight:500;-webkit-text-fill-color:var(--text-dim)}
.price-once{display:block;font-size:0.85rem;font-weight:500;-webkit-text-fill-color:var(--text-dim);margin-top:4px}
.price-features{list-style:none;flex:1;margin-bottom:28px}
.price-features li{padding:10px 0;border-bottom:1px solid var(--glass-border);color:var(--text-dim);font-size:0.9rem;padding-left:24px;position:relative}
.price-features li::before{content:'✓';position:absolute;left:0;color:#6EE7B7;font-weight:700}
.price-features li:last-child{border-bottom:none}
.price-note{font-size:0.78rem;color:var(--text-dim);opacity:0.7;text-align:center;margin:0 0 16px;font-style:italic}

/* ===== CONTACT ===== */
.contact{padding:120px 0}
.contact-wrap{max-width:600px;margin:0 auto;display:flex;flex-direction:column;gap:28px}
.form{padding:36px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{position:relative;margin-bottom:20px}
.form-group input,.form-group textarea{width:100%;padding:16px;border-radius:var(--radius-sm);border:2px solid var(--glass-border);background:rgba(255,255,255,0.03);color:#fff;font-size:1rem;font-family:inherit;transition:0.3s;outline:none}
.form-group textarea{resize:vertical;min-height:80px}
.form-group label{position:absolute;left:16px;top:16px;color:var(--text-dim);font-size:0.95rem;pointer-events:none;transition:0.3s}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent)}
.form-group input:focus+label,.form-group input:not(:placeholder-shown)+label,
.form-group textarea:focus+label,.form-group textarea:not(:placeholder-shown)+label{
    top:-10px;left:12px;font-size:0.75rem;background:var(--bg);padding:0 6px;color:var(--accent)}
.form-status{text-align:center;margin-top:16px;font-size:0.95rem;min-height:24px}
.form-status.success{color:#6EE7B7}
.form-status.error{color:#FCA5A5}
.contact-side{text-align:center;color:var(--text-dim)}
.tg-link{display:inline-flex;align-items:center;gap:10px;margin-top:12px;font-size:1.2rem;font-weight:700;color:var(--accent);transition:0.3s}
.tg-link:hover{color:var(--accent2)}
.tg-link svg{transition:0.3s}
.tg-link:hover svg{transform:scale(1.1)}

/* ===== HERO TRIAL BADGE ===== */
.hero-trial{display:inline-block;padding:8px 20px;border-radius:50px;font-size:0.9rem;font-weight:700;color:#6EE7B7;background:rgba(16,185,129,0.12);border:1px solid rgba(16,185,129,0.3);margin-bottom:20px}

/* ===== NUM STATIC (non-animated) ===== */
.num-static{display:block;font-size:2.5rem;font-weight:900;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}

/* ===== PLAN SELECTED BADGE ===== */
.plan-selected{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 20px;border-radius:var(--radius-sm);background:rgba(99,102,241,0.12);border:1px solid rgba(99,102,241,0.3);margin-bottom:20px;font-size:0.95rem;font-weight:600;color:var(--accent)}
.plan-selected #plan-clear{background:none;border:none;color:var(--text-dim);font-size:1.3rem;cursor:pointer;padding:0 4px;transition:0.3s;font-family:inherit}
.plan-selected #plan-clear:hover{color:#FCA5A5}

/* ===== PRICE TRIAL ===== */
.price-trial{text-align:center;padding:6px 0;font-size:0.8rem;font-weight:700;color:#6EE7B7;letter-spacing:0.5px}

/* ===== FOOTER ===== */
.footer{padding:24px 0;border-top:1px solid var(--glass-border)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;font-size:0.85rem;color:var(--text-dim)}
.footer-links{display:flex;gap:24px}
.footer-links a{color:var(--text-dim);transition:0.3s;font-weight:500}
.footer-links a:hover{color:var(--accent)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
    .hero-grid{grid-template-columns:1fr;text-align:center;justify-items:center}
    .hero-sub{margin-left:auto;margin-right:auto}
    .hero-btns{justify-content:center}
    .feat-split{grid-template-columns:1fr;gap:48px}
    .feat-col h2{text-align:center}
    .feat-divider{width:100%;height:1px}
    .tg-cards{grid-template-columns:repeat(2,1fr)}
    .numbers-grid{grid-template-columns:repeat(2,1fr)}
    .pricing-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    section,.how,.demo,.exercises,.cefr,.features,.why-tg,.audience,.contact{padding:80px 0}
    .pain-card{grid-template-columns:1fr;text-align:center;gap:10px}
    .pain-arrow{transform:rotate(90deg)}
    .tg-cards{grid-template-columns:1fr 1fr}
    .ex-grid{grid-template-columns:repeat(2,1fr)}
    .form-row{grid-template-columns:1fr}
    .phone{width:240px;height:440px}
}
@media(max-width:480px){
    .ex-grid{grid-template-columns:1fr}
    .tg-cards{grid-template-columns:1fr}
    .cefr-ring{width:220px;height:220px}
    .cefr-dot{width:42px;height:42px;font-size:0.75rem}
    .cefr-dot[style*="--i:0"]{left:89px;top:0px}
    .cefr-dot[style*="--i:1"]{left:168px;top:34px}
    .cefr-dot[style*="--i:2"]{left:168px;top:144px}
    .cefr-dot[style*="--i:3"]{left:89px;top:178px}
    .cefr-dot[style*="--i:4"]{left:10px;top:144px}
    .cefr-dot[style*="--i:5"]{left:10px;top:34px}
    .btn{padding:14px 28px;font-size:0.9rem}
    .pricing-grid{grid-template-columns:1fr}
    .price-card.featured{order:-1}
}