/* ============================================================
   Эстетическая медицина — тёмный опал.
   ВНИМАНИЕ: в calc()/clamp() операторы + и - обязаны иметь
   пробелы с обеих сторон, иначе объявление отбрасывается целиком.
   ============================================================ */
:root{
  --ink:#100c17;            /* ночная слива */
  --ink-2:#181123;
  --surface:#1f1730;
  --line:rgba(243,238,242,.13);
  --pearl:#f3eef2;
  --pearl-60:rgba(243,238,242,.62);
  --pearl-38:rgba(243,238,242,.38);
  --rose:#d9a3c2;           /* розовый кварц */
  --peri:#9db2e0;           /* барвинок */
  --gold:#e6c49b;           /* тёплый акцент, только для действия */
  --opal:linear-gradient(114deg,var(--rose) 0%,#c4a8dd 38%,var(--peri) 72%,#a8d6d0 100%);

  --disp:"Unbounded",system-ui,sans-serif;
  --txt:"Onest",ui-sans-serif,system-ui,sans-serif;

  --gut:clamp(1.15rem,4vw,3.5rem);
  --pad:clamp(4rem,2.5rem + 4.5vw,7rem);
  --ease:cubic-bezier(.16,1,.3,1);
  --slow:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip}   /* clip, а не hidden: не ломает preserve-3d */
body{
  background:var(--ink);color:var(--pearl);
  font:400 clamp(1rem,.96rem + .2vw,1.08rem)/1.66 var(--txt);
  -webkit-font-smoothing:antialiased;overflow-x:clip;position:relative;
}
h1,h2,h3,.disp{font-family:var(--disp);font-weight:600;line-height:1.06;
  letter-spacing:-.03em}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,100% - var(--gut)*2);margin-inline:auto}
.block{padding-block:var(--pad)}
:where(a,button,[tabindex]):focus-visible{outline:2px solid var(--peri);
  outline-offset:4px;border-radius:4px}

/* ---------- аврора на фоне ---------- */
.aurora{position:fixed;inset:-20vh -10vw;z-index:-2;pointer-events:none;
  filter:blur(90px);opacity:.5}
.aurora i{position:absolute;border-radius:50%;display:block;
  animation:drift 26s var(--slow) infinite alternate}
.aurora i:nth-child(1){width:52vw;height:52vw;left:-6vw;top:2vh;
  background:radial-gradient(circle,rgba(217,163,194,.62),transparent 68%)}
.aurora i:nth-child(2){width:46vw;height:46vw;right:-8vw;top:18vh;
  background:radial-gradient(circle,rgba(157,178,224,.55),transparent 68%);
  animation-duration:34s;animation-delay:-8s}
.aurora i:nth-child(3){width:40vw;height:40vw;left:26vw;top:52vh;
  background:radial-gradient(circle,rgba(168,214,208,.4),transparent 68%);
  animation-duration:42s;animation-delay:-16s}
@keyframes drift{
  0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(4vw,-6vh,0) scale(1.14)}
  100%{transform:translate3d(-5vw,5vh,0) scale(.94)}
}
/* зернистость, чтобы градиенты не выглядели пластиковыми */
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.16;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}

/* ---------- шапка ---------- */
.hdr{position:sticky;top:0;z-index:60;backdrop-filter:blur(16px) saturate(1.2);
  background:rgba(16,12,23,.72);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding-block:1rem}
.logo{font-family:var(--disp);font-size:1.02rem;letter-spacing:-.02em;
  display:flex;align-items:center;gap:.6rem}
.logo em{font-style:normal;background:var(--opal);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.logo .dot{width:9px;height:9px;border-radius:50%;background:var(--opal);
  box-shadow:0 0 14px var(--rose);animation:pulse 3.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.82)}}
.nav{display:none;gap:2rem;font-size:.93rem;color:var(--pearl-60)}
.nav a{position:relative;transition:color .25s}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-5px;height:1px;
  background:var(--opal);transition:right .35s var(--ease)}
.nav a:hover{color:var(--pearl)}
.nav a:hover::after{right:0}
@media(min-width:900px){.nav{display:flex}}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--txt);font-weight:600;font-size:.95rem;letter-spacing:.01em;
  padding:.95rem 1.5rem;border-radius:100px;border:1px solid transparent;
  cursor:pointer;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),color .25s}
.btn-primary{background:var(--opal);color:#150f1e;font-weight:700;
  box-shadow:0 6px 26px -8px rgba(217,163,194,.75)}
.btn-primary:hover{transform:translateY(-3px);
  box-shadow:0 14px 38px -10px rgba(217,163,194,.9)}
.btn-primary::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.55) 50%,transparent 70%);
  transform:translateX(-120%)}
.btn-primary:hover::after{animation:sheen .85s var(--ease)}
@keyframes sheen{to{transform:translateX(120%)}}
.btn-ghost{border-color:var(--line);color:var(--pearl);background:rgba(243,238,242,.04)}
.btn-ghost:hover{border-color:var(--rose);transform:translateY(-3px);
  background:rgba(243,238,242,.08)}

/* ---------- герой ---------- */
.hero{display:grid;gap:clamp(2.5rem,5vw,4rem);align-items:center;
  padding-block:clamp(2.5rem,4vw,5rem) var(--pad)}
@media(min-width:980px){.hero{grid-template-columns:1.02fr .98fr}}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.78rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--pearl-60);
  padding:.5rem 1rem;border:1px solid var(--line);border-radius:100px;
  background:rgba(243,238,242,.03);margin-bottom:1.6rem}
.eyebrow b{background:var(--opal);-webkit-background-clip:text;background-clip:text;
  color:transparent;font-weight:700}
h1{font-size:clamp(2.3rem,1.1rem + 4.4vw,4.15rem);max-width:14ch}
h1 span{background:var(--opal);-webkit-background-clip:text;background-clip:text;
  color:transparent;display:block}
.lede{color:var(--pearl-60);font-size:clamp(1.02rem,.98rem + .35vw,1.2rem);
  max-width:44ch;margin-top:1.5rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2.2rem}
.stats{display:flex;flex-wrap:wrap;gap:2.2rem;margin-top:2.8rem;
  padding-top:2rem;border-top:1px solid var(--line)}
.stats b{display:block;font-family:var(--disp);font-weight:600;
  font-size:clamp(1.5rem,1.1rem + 1.3vw,2.1rem);line-height:1;
  background:var(--opal);-webkit-background-clip:text;background-clip:text;
  color:transparent}
.stats span{font-size:.85rem;color:var(--pearl-38);margin-top:.4rem;display:block}

/* ---------- выбор зоны ---------- */
.stage{position:relative;display:flex;flex-direction:column;align-items:center;
  gap:1.2rem;padding-block:1rem 2rem;width:100%}
.zgrid{display:grid;width:100%;max-width:480px;
  grid-template-columns:repeat(2,1fr);gap:.7rem}
.zcard{font:500 1rem/1.25 var(--txt);color:var(--pearl-60);cursor:pointer;
  padding:1.05rem 1rem;border-radius:16px;border:1px solid var(--line);
  background:rgba(243,238,242,.04);text-align:center;
  transition:color .25s,border-color .25s,background .25s,transform .25s var(--ease)}
.zcard:hover{color:var(--pearl);border-color:var(--rose);transform:translateY(-2px)}
.zcard:focus-visible{outline:2px solid var(--rose);outline-offset:2px}
.zcard[aria-current="true"]{color:#150f1e;background:var(--opal);
  border-color:transparent;font-weight:700}
.hint{font-size:.8rem;color:var(--pearl-38);display:flex;align-items:center;
  gap:.5rem;flex:none}
.hint::before{content:"";width:22px;height:1px;background:var(--pearl-38)}

/* ---------- карточка процедуры ---------- */
.proc{margin-top:1.6rem;border:1px solid var(--line);border-radius:20px;
  background:linear-gradient(150deg,rgba(243,238,242,.075),rgba(243,238,242,.02));
  backdrop-filter:blur(14px);overflow:hidden}
.proc-in{padding:clamp(1.3rem,1rem + 1.2vw,1.9rem)}
.proc h3{font-size:1.28rem;margin-bottom:.3rem}
.proc .sub{color:var(--pearl-38);font-size:.85rem;letter-spacing:.03em;
  text-transform:uppercase;margin-bottom:1.1rem}
.proc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem;
  margin-bottom:1.2rem}
.proc-grid div{border:1px solid var(--line);border-radius:12px;padding:.8rem .7rem;
  background:rgba(16,12,23,.4)}
.proc-grid small{display:block;font-size:.68rem;letter-spacing:.11em;
  text-transform:uppercase;color:var(--pearl-38);margin-bottom:.35rem}
.proc-grid b{font-family:var(--disp);font-weight:600;font-size:1.02rem}
.proc p{color:var(--pearl-60);font-size:.94rem;margin-bottom:1.2rem}
.proc .btn{width:100%}
.fade{animation:fade .45s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}

/* ---------- секции ---------- */
.head{margin-bottom:clamp(2rem,1.4rem + 2vw,3.2rem);max-width:52ch}
.head .tag{font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--pearl-38);display:block;margin-bottom:1rem}
h2{font-size:clamp(1.75rem,1.2rem + 2.2vw,3rem)}
.head p{color:var(--pearl-60);margin-top:1rem}

/* до/после */
.ba{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/9;cursor:ew-resize;user-select:none;touch-action:none}
.ba-img{position:absolute;inset:0;display:grid;place-items:center;
  font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--pearl-38)}
.ba-before{background:
  radial-gradient(60% 80% at 40% 40%,#3a2f3d,#241d2c 70%),
  repeating-linear-gradient(48deg,rgba(0,0,0,.16) 0 3px,transparent 3px 7px)}
.ba-after{background:
  radial-gradient(60% 80% at 40% 40%,#5c4a5e,#2e2438 70%);
  clip-path:inset(0 0 0 var(--split,50%))}
.ba-handle{position:absolute;top:0;bottom:0;left:var(--split,50%);width:2px;
  background:var(--opal);box-shadow:0 0 22px rgba(217,163,194,.8)}
.ba-handle::after{content:"⟷";position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;
  background:var(--opal);color:#150f1e;display:grid;place-items:center;
  font-size:1.05rem;font-weight:700}
.ba-note{margin-top:.9rem;font-size:.85rem;color:var(--pearl-38)}

/* доверие */
.trust{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:20px;overflow:hidden}
@media(min-width:760px){.trust{grid-template-columns:repeat(3,1fr)}}
.trust li{list-style:none;background:var(--ink-2);padding:clamp(1.5rem,1.1rem + 1.4vw,2.2rem);
  transition:background .3s}
.trust li:hover{background:var(--surface)}
.trust .n{font-family:var(--disp);font-weight:600;font-size:.8rem;
  background:var(--opal);-webkit-background-clip:text;background-clip:text;
  color:transparent;letter-spacing:.14em;display:block;margin-bottom:1rem}
.trust h3{font-size:1.12rem;margin-bottom:.5rem}
.trust p{color:var(--pearl-60);font-size:.93rem}

/* аккордеон */
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;cursor:pointer;padding:1.35rem 0;display:flex;
  align-items:center;justify-content:space-between;gap:1.5rem;
  font-family:var(--disp);font-weight:600;font-size:1.02rem;
  transition:color .25s}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover{color:var(--rose)}
.acc summary::after{content:"";width:11px;height:11px;flex:none;
  border-right:1.5px solid var(--pearl-60);border-bottom:1.5px solid var(--pearl-60);
  transform:rotate(45deg) translateY(-3px);transition:transform .35s var(--ease)}
.acc details[open] summary::after{transform:rotate(225deg) translateY(-3px)}
.acc .body{padding-bottom:1.5rem;color:var(--pearl-60);max-width:62ch;
  animation:fade .4s var(--ease)}
.acc .body ul{margin:.6rem 0 0 1.1rem}
.acc .body li{margin-bottom:.35rem}

/* финальный блок */
.final{border:1px solid var(--line);border-radius:26px;overflow:hidden;
  background:linear-gradient(150deg,rgba(217,163,194,.16),rgba(157,178,224,.08) 60%,transparent);
  padding:clamp(2rem,1.4rem + 3vw,4rem);text-align:center}
.final h2{max-width:18ch;margin:0 auto 1rem}
.final p{color:var(--pearl-60);max-width:44ch;margin:0 auto 2rem}

/* подвал */
.foot{border-top:1px solid var(--line);padding-block:var(--pad) 6.5rem;
  font-size:.9rem;color:var(--pearl-38)}
.foot-g{display:grid;gap:2rem}
@media(min-width:760px){.foot-g{grid-template-columns:1.4fr 1fr 1.2fr}}
.foot h4{font-family:var(--disp);font-weight:600;font-size:.76rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--pearl);
  margin-bottom:.85rem}
.foot a:hover{color:var(--rose)}

/* мобильная панель */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:70;padding:.7rem var(--gut);
  background:rgba(16,12,23,.9);backdrop-filter:blur(16px);
  border-top:1px solid var(--line);display:flex;gap:.6rem}
.dock .btn{flex:1;padding:.85rem 1rem;font-size:.9rem}
@media(min-width:900px){.dock{display:none}.foot{padding-bottom:var(--pad)}}

/* появление при скролле */
.rise{opacity:0;transform:translateY(26px);
  transition:opacity .8s var(--slow),transform .8s var(--slow)}
.rise.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .rise{opacity:1;transform:none}
}