/* =========================================================
   Анна Чмуж — репетитор по биологии
   Тема: «Живая ДНК»
   ========================================================= */
:root{
  --bg:#06100c;
  --bg-2:#0a1a14;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.11);
  --text:#e9f3ee;
  --muted:#93ab9f;
  --lime:#c8ff3e;
  --mint:#3dffc0;
  --coral:#ff7a66;
  --violet:#8b7bff;
  --radius:28px;
  --ff-display:'Unbounded','Manrope',system-ui,sans-serif;
  --ff-body:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:90px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--ff-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:17px;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
::selection{background:var(--lime);color:#06100c}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px}

/* ---------- Фон ---------- */
.bg-glow{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(60vmax 60vmax at 90% -10%,rgba(255,122,102,.16),transparent 60%),
    radial-gradient(55vmax 55vmax at -10% 45%,rgba(200,255,62,.10),transparent 60%),
    radial-gradient(50vmax 50vmax at 80% 110%,rgba(61,255,192,.12),transparent 60%);
}
.bg-noise{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.07;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
#dna{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
main,footer{position:relative;z-index:2}

.progress{position:fixed;top:0;left:0;height:3px;width:100%;z-index:200;transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--mint),var(--lime),var(--coral))}

.cursor-glow{position:fixed;left:0;top:0;width:340px;height:340px;margin:-170px 0 0 -170px;border-radius:50%;z-index:1;pointer-events:none;
  background:radial-gradient(circle,rgba(200,255,62,.13),transparent 65%);opacity:0;transition:opacity .4s;will-change:transform}
.cursor-glow.on{opacity:1}

/* ---------- Общие элементы ---------- */
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
section{position:relative;padding:clamp(70px,10vw,130px) 0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--lime);margin-bottom:18px}
.eyebrow::before{content:"";width:28px;height:2px;background:currentColor;border-radius:2px}
.h2{font-family:var(--ff-display);font-weight:600;font-size:clamp(1.9rem,4.4vw,3.5rem);line-height:1.08;letter-spacing:-.02em;max-width:22ch}
.h2 em,.h1 em{font-style:normal;background:linear-gradient(100deg,var(--lime),var(--mint));-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--muted);max-width:56ch;margin-top:18px;font-size:1.05rem}
.section-head{margin-bottom:clamp(36px,6vw,64px)}

.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 26px;border-radius:999px;font-weight:700;font-size:.98rem;line-height:1;white-space:nowrap;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,border-color .3s,color .3s}
.btn i{font-size:1.1em}
.btn-primary{background:var(--lime);color:#06100c;box-shadow:0 0 0 0 rgba(200,255,62,.5),0 10px 30px -8px rgba(200,255,62,.55)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 0 6px rgba(200,255,62,.16),0 16px 40px -8px rgba(200,255,62,.7)}
.btn-ghost{border:1px solid var(--line);background:var(--surface);backdrop-filter:blur(8px)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--lime);color:var(--lime)}
.btn-sm{padding:12px 20px;font-size:.9rem}
.btn-lg{padding:20px 34px;font-size:1.05rem}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}

.glass{background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid var(--line);backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);border-radius:var(--radius)}

/* Появление при скролле */
.js .reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Шапка ---------- */
.header{position:fixed;top:14px;left:50%;transform:translateX(-50%);width:min(1120px,calc(100% - 28px));z-index:150;
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 9px 9px 20px;border-radius:999px;
  background:rgba(8,22,17,.55);backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);border:1px solid var(--line);
  transition:background .3s,box-shadow .3s,top .3s}
.header.scrolled{background:rgba(6,16,12,.82);box-shadow:0 14px 40px -12px rgba(0,0,0,.7)}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--ff-display);font-weight:600;font-size:.92rem;letter-spacing:-.01em}
.logo svg{width:30px;height:30px;flex:none}
.logo small{display:block;font-family:var(--ff-body);font-weight:600;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:1px}
.nav{display:flex;gap:4px}
.nav a{position:relative;padding:9px 15px;border-radius:999px;font-weight:600;font-size:.92rem;color:var(--muted);transition:color .25s,background .25s}
.nav a:hover,.nav a.active{color:var(--text);background:var(--surface-2)}
.header-cta{display:flex;align-items:center;gap:8px}
.burger{display:none;width:44px;height:44px;border-radius:50%;background:var(--surface-2);position:relative}
.burger span{position:absolute;left:13px;right:13px;height:2px;background:var(--text);border-radius:2px;transition:transform .35s var(--ease),opacity .2s}
.burger span:nth-child(1){top:16px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:26px}
.menu-open .burger span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.menu-open .burger span:nth-child(2){opacity:0}
.menu-open .burger span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.mobile-menu{position:fixed;inset:0;z-index:140;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:90px 30px 40px;
  background:rgba(5,14,10,.94);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  clip-path:circle(0 at calc(100% - 40px) 40px);transition:clip-path .7s var(--ease);visibility:hidden}
.menu-open .mobile-menu{clip-path:circle(150% at calc(100% - 40px) 40px);visibility:visible}
.mobile-menu a.m-link{font-family:var(--ff-display);font-size:clamp(1.8rem,8vw,2.6rem);font-weight:600;padding:8px 0;border-bottom:1px solid var(--line)}
.mobile-menu a.m-link:hover{color:var(--lime)}
.mobile-menu .btn{margin-top:24px;align-self:flex-start}

/* ---------- Hero ---------- */
.hero{min-height:100svh;display:flex;align-items:center;padding:130px 0 70px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(30px,5vw,70px);align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;padding:8px 16px 8px 10px;border-radius:999px;font-size:.84rem;font-weight:600;margin-bottom:26px}
.pill .dot{width:10px;height:10px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 0 rgba(200,255,62,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(200,255,62,0)}100%{box-shadow:0 0 0 0 rgba(200,255,62,0)}}
.h1{font-family:var(--ff-display);font-weight:700;font-size:clamp(2.3rem,6.4vw,5.1rem);line-height:1.02;letter-spacing:-.035em}
.h1 .line{display:block;overflow:hidden;padding-bottom:.08em}
.h1 .line>span{display:inline-block;transform:translateY(110%);animation:rise 1.1s var(--ease) forwards;animation-delay:calc(.15s + var(--i)*.14s)}
@keyframes rise{to{transform:none}}
.h1 .strike{position:relative;white-space:nowrap}
.h1 .strike::after{content:"";position:absolute;left:-2%;right:-2%;bottom:.06em;height:.12em;background:var(--coral);border-radius:4px;transform:scaleX(0);transform-origin:0 50%;animation:grow 1s .9s var(--ease) forwards}
@keyframes grow{to{transform:scaleX(1)}}
.hero-lead{font-size:clamp(1.02rem,1.5vw,1.2rem);color:var(--muted);max-width:50ch;margin:28px 0 36px}
.hero-lead b{color:var(--text);font-weight:700}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{display:flex;align-items:center;gap:12px;margin-top:34px;font-size:.9rem;color:var(--muted)}
.hero-note .gift{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:rgba(255,122,102,.15);color:var(--coral)}
.hero-note b{color:var(--text)}

.hero-visual{position:relative;justify-self:center;width:min(440px,100%)}
.arch{position:relative;aspect-ratio:3/4;border-radius:999px 999px 36px 36px;overflow:hidden;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 50px 100px -30px rgba(0,0,0,.8),0 0 0 10px rgba(255,255,255,.035),0 0 90px -10px rgba(200,255,62,.22);
  transform:perspective(1000px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .25s ease-out}
.arch img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;transform:scale(1.06);animation:kenburns 14s ease-in-out infinite alternate}
@keyframes kenburns{to{transform:scale(1.14) translateY(-1.5%)}}
.arch::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(6,16,12,.55));pointer-events:none}
.orbit{position:absolute;top:-34px;right:-34px;width:136px;height:136px;z-index:3}
.orbit svg{width:100%;height:100%;animation:spin 18s linear infinite}
.orbit text{font-family:var(--ff-body);font-weight:800;font-size:11.6px;letter-spacing:.22em;fill:var(--lime);text-transform:uppercase}
.orbit .core{position:absolute;inset:34px;border-radius:50%;background:var(--lime);display:grid;place-items:center;color:#06100c;font-size:1.5rem;box-shadow:0 10px 30px -6px rgba(200,255,62,.6)}
@keyframes spin{to{transform:rotate(360deg)}}
.chip{position:absolute;z-index:3;display:flex;align-items:center;gap:12px;padding:12px 18px 12px 12px;border-radius:20px;animation:float 6s ease-in-out infinite}
.chip .ic{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;font-size:1.05rem}
.chip b{display:block;font-family:var(--ff-display);font-size:1.25rem;line-height:1.1;font-weight:600}
.chip span{font-size:.76rem;color:var(--muted);line-height:1.2;display:block}
.chip-1{left:-48px;bottom:16%}
.chip-1 .ic{background:rgba(200,255,62,.16);color:var(--lime)}
.chip-2{right:-30px;bottom:-22px;animation-delay:-3s}
.chip-2 .ic{background:rgba(255,122,102,.18);color:var(--coral)}
@keyframes float{50%{transform:translateY(-14px)}}
.scroll-hint{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.scroll-hint i{width:1px;height:38px;background:linear-gradient(var(--lime),transparent);animation:drip 2s infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:0 0}50%{transform:scaleY(1);transform-origin:0 0}51%{transform-origin:0 100%}100%{transform:scaleY(0);transform-origin:0 100%}}

/* ---------- Бегущая строка ---------- */
.marquee{padding:0;border-block:1px solid var(--line);background:rgba(200,255,62,.045);overflow:hidden;transform:rotate(-1.2deg) scale(1.03);margin:20px 0;position:relative;z-index:3}
.marquee-track{display:flex;width:max-content;animation:marquee 38s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{display:flex;align-items:center;gap:34px;padding:18px 17px;font-family:var(--ff-display);font-size:clamp(1rem,2vw,1.5rem);font-weight:500;white-space:nowrap;text-transform:uppercase;letter-spacing:-.01em}
.marquee-track span::after{content:"✦";color:var(--lime);font-size:.8em}
.marquee-track span:nth-child(3n)::after{color:var(--coral)}
.marquee-track span:nth-child(3n+1)::after{color:var(--mint)}
@keyframes marquee{to{transform:translateX(-50%)}}


/* ---------- Цифры ---------- */
.stats{padding-block:clamp(60px,8vw,100px) 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{padding:30px 26px;position:relative;overflow:hidden}
.stat .num{font-family:var(--ff-display);font-weight:700;font-size:clamp(2.2rem,4.6vw,3.8rem);line-height:1;letter-spacing:-.04em;background:linear-gradient(120deg,var(--text),var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat p{margin-top:12px;color:var(--muted);font-size:.95rem;line-height:1.4}
.stat::before{content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(200,255,62,.2),transparent 70%)}
.stat:nth-child(2)::before{background:radial-gradient(circle,rgba(255,122,102,.22),transparent 70%)}
.stat:nth-child(3)::before{background:radial-gradient(circle,rgba(61,255,192,.2),transparent 70%)}
.stat:nth-child(4)::before{background:radial-gradient(circle,rgba(139,123,255,.22),transparent 70%)}

/* ---------- Обо мне (bento) ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.tile{position:relative;padding:34px;overflow:hidden;transition:transform .5s var(--ease),border-color .4s}
.tile:hover{transform:translateY(-6px);border-color:rgba(200,255,62,.4)}
.tile .ico{display:grid;place-items:center;width:54px;height:54px;border-radius:18px;font-size:1.3rem;margin-bottom:26px;background:rgba(200,255,62,.13);color:var(--lime)}
.tile h3{font-family:var(--ff-display);font-weight:600;font-size:1.3rem;line-height:1.2;letter-spacing:-.02em;margin-bottom:12px}
.tile p{color:var(--muted)}
.t-edu,.t-exp{grid-column:span 3}
.t-big{grid-column:span 6;display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;background:linear-gradient(120deg,rgba(200,255,62,.14),rgba(61,255,192,.06) 55%,rgba(255,255,255,.03));padding:clamp(30px,5vw,56px)}
.t-big h3{font-size:clamp(1.4rem,3vw,2.2rem);max-width:22ch}
.t-big p{max-width:52ch;font-size:1.05rem}
.t-big .ico{background:rgba(255,122,102,.16);color:var(--coral)}
.diploma{display:flex;gap:12px}
.diploma div{width:92px;height:122px;border-radius:12px;background:linear-gradient(160deg,#ff8a76,#d8433a);display:grid;place-items:center;color:#fff;font-size:1.7rem;box-shadow:0 18px 30px -12px rgba(255,90,70,.6);transform:rotate(-6deg);position:relative}
.diploma div:nth-child(2){transform:rotate(5deg) translateY(10px);background:linear-gradient(160deg,#ff9a85,#e0554a)}
.diploma div::after{content:"";position:absolute;inset:8px;border:1px dashed rgba(255,255,255,.55);border-radius:7px}


/* ---------- Игра «Дострой цепь ДНК» ---------- */
.lab .wrap{padding:clamp(28px,5vw,60px);position:relative;overflow:hidden}
.lab .wrap::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(120deg,rgba(200,255,62,.6),transparent 35%,transparent 65%,rgba(255,122,102,.55));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.lab-top{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.lab-top .h2{font-size:clamp(1.6rem,3.4vw,2.7rem);max-width:20ch}
.lab-score{display:flex;gap:10px;align-items:center;font-weight:700;font-size:.9rem;color:var(--muted)}
.lab-score b{font-family:var(--ff-display);color:var(--lime);font-size:1.4rem}
.strand{display:grid;grid-template-columns:repeat(var(--n,8),minmax(0,1fr));gap:clamp(5px,1.4vw,16px);max-width:820px;margin-inline:auto}
.col{display:flex;flex-direction:column;align-items:center}
.base{width:100%;max-width:74px;aspect-ratio:1;display:grid;place-items:center;border-radius:20px;font-family:var(--ff-display);font-weight:700;font-size:clamp(.95rem,2.6vw,1.7rem);color:#06100c;transition:transform .4s var(--ease),opacity .3s,background .3s}
.base[data-b="А"]{background:var(--lime)}
.base[data-b="Т"]{background:var(--coral)}
.base[data-b="Г"]{background:var(--mint)}
.base[data-b="Ц"]{background:var(--violet)}
.bond{height:clamp(26px,5vw,48px);width:10px;display:flex;flex-direction:column;justify-content:space-evenly;align-items:center}
.bond i{display:block;width:3px;height:3px;border-radius:50%;background:var(--muted);opacity:.5;transition:all .4s}
.col.done .bond i{background:var(--text);opacity:.9;height:6px;width:2px;border-radius:2px}
.slot{background:transparent;border:2px dashed rgba(255,255,255,.22);color:transparent}
.slot.cur{border-color:var(--lime);animation:blink 1.2s infinite;box-shadow:0 0 28px -4px rgba(200,255,62,.55)}
@keyframes blink{50%{background:rgba(200,255,62,.12)}}
.slot.fill{border:0;color:#06100c;animation:pop .5s var(--ease)}
@keyframes pop{0%{transform:scale(.4) rotate(-20deg)}60%{transform:scale(1.15)}100%{transform:none}}
.slot.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-7px)}40%,80%{transform:translateX(7px)}}
.pad{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:40px}
.pad button{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:78px;padding:14px 18px;border-radius:20px;border:1px solid var(--line);background:var(--surface);font-family:var(--ff-display);font-size:1.5rem;font-weight:700;transition:transform .3s var(--ease),border-color .3s,background .3s}
.pad button small{font-family:var(--ff-body);font-size:.66rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.pad button:hover{transform:translateY(-4px);border-color:var(--c)}
.pad button:active{transform:scale(.95)}
.pad button[disabled]{opacity:.35;pointer-events:none}
.pad .k-a{--c:var(--lime);color:var(--lime)}.pad .k-t{--c:var(--coral);color:var(--coral)}.pad .k-g{--c:var(--mint);color:var(--mint)}.pad .k-c{--c:var(--violet);color:var(--violet)}
.lab-msg{min-height:3.4em;text-align:center;margin:28px auto 0;color:var(--muted);font-size:1rem;max-width:62ch}
.lab-msg b{color:var(--text)}
.lab-win{display:none;margin-top:10px;flex-wrap:wrap;gap:12px;justify-content:center}
.lab-win.show{display:flex;animation:pop .6s var(--ease)}

/* ---------- Преимущества ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{position:relative;padding:34px 30px 36px;overflow:hidden;transition:transform .5s var(--ease)}
.feat::before{content:"";position:absolute;inset:0;background:radial-gradient(380px circle at var(--mx,50%) var(--my,0%),rgba(200,255,62,.16),transparent 45%);opacity:0;transition:opacity .4s;pointer-events:none}
.feat:hover::before{opacity:1}
.feat:hover{transform:translateY(-6px)}
.feat .n{position:absolute;top:22px;right:26px;font-family:var(--ff-display);font-weight:700;font-size:3.4rem;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.14);transition:-webkit-text-stroke-color .4s}
.feat:hover .n{-webkit-text-stroke-color:var(--lime)}
.feat .ico{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;margin-bottom:26px;font-size:1.2rem;background:var(--surface-2);color:var(--mint);transition:background .4s,color .4s,transform .5s var(--ease)}
.feat:hover .ico{background:var(--lime);color:#06100c;transform:rotate(-8deg) scale(1.08)}
.feat h3{font-family:var(--ff-display);font-weight:600;font-size:1.15rem;line-height:1.25;letter-spacing:-.015em;margin-bottom:10px}
.feat p{color:var(--muted);font-size:.98rem}


/* ---------- Цены ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:1180px;margin-inline:auto}
.price{position:relative;padding:clamp(28px,4vw,46px);display:flex;flex-direction:column;transition:transform .5s var(--ease)}
.price:hover{transform:translateY(-8px)}
.price h3{font-family:var(--ff-display);font-weight:600;font-size:1.25rem;letter-spacing:-.015em;margin-bottom:22px}
.price h3{min-height:2.6em}
.price .amount{font-family:var(--ff-display);font-weight:700;font-size:clamp(2.6rem,5vw,3.8rem);line-height:1;letter-spacing:-.04em}
.price .amount small{font-size:.45em;margin-left:4px;letter-spacing:0}
.price .per{color:var(--muted);margin:8px 0 28px;font-size:.95rem}
.price ul{display:grid;gap:13px;margin-bottom:34px;flex:1;align-content:start}
.price li{display:flex;gap:12px;align-items:flex-start;font-size:.98rem}
.price li i{flex:none;display:grid;place-items:center;width:22px;height:22px;margin-top:2px;border-radius:50%;background:rgba(200,255,62,.16);color:var(--lime);font-size:.6rem}
.price.hot{background:linear-gradient(165deg,rgba(200,255,62,.2),rgba(61,255,192,.07) 60%,rgba(255,255,255,.03));border-color:rgba(200,255,62,.45)}
.price.hot::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:2px;background:conic-gradient(from var(--ang,0deg),transparent 0 62%,var(--lime) 82%,var(--mint) 90%,transparent 100%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;animation:ang 5s linear infinite}
@property --ang{syntax:'<angle>';initial-value:0deg;inherits:false}
@keyframes ang{to{--ang:360deg}}
.badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);z-index:2;padding:7px 14px;border-radius:999px;background:var(--lime);color:#06100c;font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;box-shadow:0 8px 24px -8px rgba(200,255,62,.7)}
.free{display:flex;justify-content:center;margin-top:44px}
.free div{display:inline-flex;align-items:center;gap:14px;padding:14px 26px 14px 14px;border-radius:999px;font-weight:600;font-size:1.05rem}
.free i{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--coral);color:#06100c}

/* ---------- Отзывы ---------- */
.rev-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.arrows{display:flex;gap:10px}
.arrows button{width:54px;height:54px;border-radius:50%;border:1px solid var(--line);background:var(--surface);font-size:1rem;transition:background .3s,color .3s,transform .3s var(--ease),border-color .3s}
.arrows button:hover{background:var(--lime);color:#06100c;border-color:var(--lime);transform:scale(1.07)}
.reviews{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px max(20px,calc((100vw - 1180px)/2)) 30px;scrollbar-width:none;cursor:grab;scroll-padding-inline:max(20px,calc((100vw - 1180px)/2))}
.reviews::-webkit-scrollbar{display:none}
.reviews.drag{cursor:grabbing;scroll-snap-type:none;user-select:none}
.rev{flex:0 0 min(440px,86vw);scroll-snap-align:start;padding:34px;display:flex;flex-direction:column;gap:24px;position:relative;transition:border-color .4s,transform .5s var(--ease)}
.rev:hover{border-color:rgba(200,255,62,.35);transform:translateY(-4px)}
.rev .q{font-family:var(--ff-display);font-size:4.2rem;line-height:.6;height:30px;color:var(--lime);opacity:.9}
.rev blockquote{flex:1;font-size:1rem;line-height:1.7;color:#d3e4db}
.rev.long blockquote{font-size:.93rem}
.who{display:flex;align-items:center;gap:14px;padding-top:22px;border-top:1px solid var(--line)}
.ava{flex:none;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-family:var(--ff-display);font-weight:700;font-size:.9rem;color:#06100c;background:var(--lime)}
.rev:nth-child(3n+2) .ava{background:var(--coral)}.rev:nth-child(3n) .ava{background:var(--mint)}.rev:nth-child(4n) .ava{background:var(--violet)}
.who b{display:block;font-size:1rem;line-height:1.2}
.who span{font-size:.82rem;color:var(--muted)}
.rev .score{position:absolute;top:30px;right:30px;font-size:.78rem;font-weight:800;color:var(--lime);background:rgba(200,255,62,.12);padding:6px 12px;border-radius:999px}


/* ---------- Контакты ---------- */
.contact .box{position:relative;overflow:hidden;padding:clamp(34px,6vw,84px);text-align:center;background:linear-gradient(145deg,rgba(200,255,62,.2),rgba(61,255,192,.08) 45%,rgba(255,122,102,.14))}
.contact .box::before,.contact .box::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.contact .box::before{width:420px;height:420px;left:-140px;bottom:-200px;background:radial-gradient(circle,rgba(61,255,192,.35),transparent 65%)}
.contact .box::after{width:380px;height:380px;right:-120px;top:-180px;background:radial-gradient(circle,rgba(255,122,102,.38),transparent 65%)}
.contact .box>*{position:relative;z-index:1}
.contact .h2{margin-inline:auto;font-size:clamp(2rem,5.4vw,4.2rem);max-width:15ch}
.contact .sub{margin-inline:auto}
.channels{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin:42px 0 50px}
.ch{display:inline-flex;align-items:center;gap:12px;padding:16px 26px;border-radius:999px;font-weight:700;background:rgba(6,16,12,.55);border:1px solid var(--line);backdrop-filter:blur(8px);transition:transform .35s var(--ease),background .3s,color .3s,border-color .3s}
.ch i{font-size:1.25rem}
.ch:hover{transform:translateY(-4px) scale(1.03);color:#06100c;border-color:transparent}
.ch.tg:hover{background:#4fc3f7}.ch.wa:hover{background:#4ade80}.ch.ig:hover{background:linear-gradient(45deg,#fcb045,#fd1d6b,#833ab4);color:#fff}.ch.vk:hover{background:#5b9bff}
.info{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:left}
.info-item{display:flex;gap:16px;align-items:center;padding:20px 22px;border-radius:22px;background:rgba(6,16,12,.5);border:1px solid var(--line)}
.info-item i{flex:none;display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:rgba(200,255,62,.14);color:var(--lime)}
.info-item small{display:block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.info-item b,.info-item a{font-weight:700;font-size:.98rem;line-height:1.35;word-break:break-word}
.info-item a:hover{color:var(--lime)}

/* ---------- Подвал ---------- */
footer{padding:70px 0 34px;border-top:1px solid var(--line);background:linear-gradient(180deg,transparent,rgba(0,0,0,.35))}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.foot h4{font-family:var(--ff-display);font-weight:600;font-size:.95rem;margin-bottom:20px}
.foot p{color:var(--muted);max-width:40ch;margin:16px 0 22px;font-size:.95rem}
.foot li{margin-bottom:11px}
.foot li a{color:var(--muted);font-size:.95rem;transition:color .25s,padding .3s var(--ease)}
.foot li a:hover{color:var(--lime);padding-left:6px}
.socials{display:flex;gap:10px;flex-wrap:wrap}
.socials a{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);transition:transform .3s var(--ease),background .3s,color .3s}
.socials a:hover{background:var(--lime);color:#06100c;transform:translateY(-4px) rotate(-8deg)}
.socials a.soc-max span{font-family:var(--ff-display);font-weight:700;font-size:.62rem;letter-spacing:.02em;line-height:1}
.copy{margin-top:56px;padding-top:26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.86rem}
.copy .seq{font-family:var(--ff-display);letter-spacing:.3em;color:rgba(255,255,255,.22);font-size:.8rem}
.to-top{position:fixed;right:20px;bottom:20px;z-index:120;width:52px;height:52px;border-radius:50%;background:var(--lime);color:#06100c;display:grid;place-items:center;opacity:0;transform:translateY(20px) scale(.8);pointer-events:none;transition:all .4s var(--ease);box-shadow:0 12px 30px -8px rgba(200,255,62,.6)}
.to-top.show{opacity:1;transform:none;pointer-events:auto}

/* ---------- Адаптив ---------- */
@media (max-width:1020px){
  .nav,.header-cta .btn{display:none}
  .burger{display:block}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1;width:min(330px,78%);margin-bottom:20px}
  .hero{padding-top:110px;align-items:flex-start}
  .scroll-hint{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:560px}
  .info{grid-template-columns:1fr}
  .chip-1{left:-14px}.chip-2{right:-10px}
  .orbit{right:-14px;top:-24px;width:110px;height:110px}.orbit .core{inset:28px}
}
@media (max-width:720px){
  body{font-size:16px}
  .t-edu,.t-exp{grid-column:span 6}
  .t-big{grid-template-columns:1fr}
  .feat-grid,.price-grid,.foot{grid-template-columns:1fr}
  .tile,.feat{padding:28px 24px}
  .logo small{display:none}
  .btn-lg{padding:18px 26px}
  .hero-cta .btn{flex:1 1 100%}
  .chip{padding:9px 14px 9px 9px}.chip b{font-size:1rem}.chip .ic{width:36px;height:36px}
  .rev{padding:26px}
  .base{border-radius:12px}
  .pad button{min-width:68px;padding:12px 14px}
  .marquee{transform:rotate(-2deg) scale(1.06)}
  .price h3{min-height:0}
  .price.hot h3{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
  .h1 .line>span{transform:none}
}