/* ============================================================
   Ruslana Agafonova — entrenadora personal online
   Neon studio aesthetic: deep ink base, cyan→blue→violet→magenta
   gradients, coral accent. No external requests (fonts, CDNs).
   ============================================================ */

:root{
  /* base */
  --ink:      #05060E;
  --ink-2:    #090C1A;
  --ink-3:    #0D1124;
  --fg:       #F1F3FF;
  --fg-dim:   #A3ABCC;
  --fg-mute:  #6E769A;
  --line:     rgba(255,255,255,.10);
  --line-2:   rgba(255,255,255,.16);
  --surface:  rgba(255,255,255,.035);

  /* neon */
  --cyan:     #35E7F0;
  --blue:     #3E6BFF;
  --violet:   #8B5CF6;
  --magenta:  #F038A0;
  --coral:    #FF3D45;

  --grad: linear-gradient(115deg, var(--cyan) 0%, var(--blue) 34%, var(--violet) 62%, var(--magenta) 100%);

  /* type */
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* metrics */
  --wrap: 1180px;
  --gut: clamp(20px, 5vw, 48px);
  --r: 20px;
  --r-lg: 28px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.01ms !important; transition-duration:.01ms !important; }
}

body{
  margin:0;
  background:var(--ink);
  color:var(--fg);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gut); }

.skip{
  position:absolute; left:-9999px; top:0; z-index:100;
  background:var(--fg); color:var(--ink); padding:12px 18px; border-radius:0 0 12px 0; font-weight:600;
}
.skip:focus{ left:0; }

:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; border-radius:6px; }

/* ---------- type scale ---------- */
.h1{
  font-size:clamp(2.25rem, 4.7vw, 3.7rem);
  line-height:1.06;
  letter-spacing:-.035em;
  font-weight:800;
  margin:0 0 22px;
  text-wrap:balance;
}
.h1 em{ font-style:normal; display:block; }
.h2{
  font-size:clamp(1.75rem, 3.6vw, 2.7rem);
  line-height:1.12;
  letter-spacing:-.03em;
  font-weight:800;
  margin:0 0 14px;
  text-wrap:balance;
}
.grad{
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
}
.eyebrow{
  font-size:.78rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--fg-dim); font-weight:600; margin:0 0 20px;
}
.kicker{
  display:inline-flex; align-items:center; gap:9px;
  font-size:.74rem; letter-spacing:.17em; text-transform:uppercase;
  font-weight:700; color:var(--fg-dim); margin:0 0 14px;
}
.kicker::before{
  content:""; width:26px; height:2px; border-radius:2px; background:var(--grad);
}
.lede{ font-size:clamp(1.02rem,1.5vw,1.16rem); color:var(--fg-dim); margin:0 0 32px; max-width:56ch; }
.body{ color:var(--fg-dim); margin:0 0 18px; }
.sec__sub{ color:var(--fg-dim); margin:0; max-width:62ch; }

/* ---------- buttons ---------- */
.btn{
  --pad: 15px 26px;
  display:inline-flex; align-items:center; justify-content:center;
  padding:var(--pad); border-radius:999px;
  font-weight:650; font-size:.97rem; letter-spacing:-.01em;
  text-decoration:none; border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{
  background:var(--grad); color:#08060F; font-weight:750;
  box-shadow:0 8px 30px -8px rgba(240,56,160,.55), 0 4px 16px -6px rgba(62,107,255,.5);
}
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 14px 40px -8px rgba(240,56,160,.7), 0 6px 20px -6px rgba(62,107,255,.6); }
.btn--ghost{ border-color:var(--line-2); color:var(--fg); background:var(--surface); }
.btn--ghost:hover{ border-color:var(--fg-dim); background:rgba(255,255,255,.07); transform:translateY(-2px); }
.btn--sm{ --pad: 10px 18px; font-size:.87rem; background:var(--surface); border-color:var(--line-2); }
.btn--sm:hover{ border-color:var(--cyan); color:var(--cyan); }

.cta-row{ display:flex; flex-wrap:wrap; gap:13px; margin-bottom:38px; }

/* ---------- header ---------- */
.hdr{
  position:sticky; top:0; z-index:50;
  background:rgba(5,6,14,.72);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.hdr__in{ display:flex; align-items:center; gap:24px; height:66px; }
.mark{ display:inline-flex; align-items:center; gap:10px; text-decoration:none; font-weight:750; letter-spacing:-.02em; font-size:.98rem; flex:none; }
.mark__dot{ width:11px; height:11px; border-radius:50%; background:var(--grad); box-shadow:0 0 14px rgba(240,56,160,.8); flex:none; }
.nav{ display:flex; gap:26px; margin-left:auto; }
.nav a{ text-decoration:none; color:var(--fg-dim); font-size:.92rem; font-weight:550; transition:color .16s ease; }
.nav a:hover{ color:var(--fg); }
.hdr__right{ display:flex; align-items:center; gap:14px; margin-left:auto; }
.nav ~ .hdr__right{ margin-left:0; }

.lang{ display:flex; border:1px solid var(--line-2); border-radius:999px; padding:3px; gap:2px; }
.lang button{
  appearance:none; border:0; background:transparent; color:var(--fg-mute);
  font:inherit; font-size:.76rem; font-weight:700; letter-spacing:.04em;
  padding:5px 10px; border-radius:999px; cursor:pointer; transition:.16s ease;
}
.lang button:hover{ color:var(--fg); }
.lang button.is-on{ background:var(--fg); color:var(--ink); }

/* ---------- hero ---------- */
.hero{ position:relative; padding:clamp(56px,9vw,104px) 0 clamp(48px,7vw,88px); overflow:hidden; }
.hero__glow{
  position:absolute; inset:-30% -10% auto -10%; height:min(900px,110vh); pointer-events:none;
  background:
    radial-gradient(52% 46% at 18% 26%, rgba(53,231,240,.20), transparent 68%),
    radial-gradient(46% 44% at 76% 14%, rgba(240,56,160,.22), transparent 66%),
    radial-gradient(60% 52% at 52% 62%, rgba(62,107,255,.20), transparent 70%);
  filter:blur(20px);
}
.hero__in{ position:relative; display:grid; grid-template-columns:1.14fr .86fr; gap:clamp(32px,5vw,64px); align-items:center; }
.hero__copy{ min-width:0; }

.stats{ list-style:none; margin:0; padding:26px 0 0; border-top:1px solid var(--line); display:flex; flex-wrap:wrap; gap:clamp(22px,4vw,44px); }
.stats li{ display:flex; flex-direction:column; gap:2px; }
.stats strong{ font-size:1.35rem; font-weight:800; letter-spacing:-.02em; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stats span{ font-size:.82rem; color:var(--fg-mute); }

/* ---------- image frames ---------- */
.frame{
  position:relative; margin:0; border-radius:var(--r-lg); overflow:hidden;
  background:var(--ink-2);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.9), 0 0 0 1px var(--line);
}
.frame::after{
  content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  padding:1px; background:var(--grad); opacity:.55;
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite:exclude;
}
.frame img{ width:100%; }
.frame--tall img{ aspect-ratio:4/5; object-fit:cover; object-position:50% 22%; }
.frame--wide img{ aspect-ratio:16/9; object-fit:cover; }
.frame--sq img{ aspect-ratio:1/1; object-fit:cover; }

.hero__media{ margin:0; position:relative; }
.badge{
  margin-top:16px; display:flex; flex-direction:column; gap:3px;
  padding:14px 18px; border:1px solid var(--line); border-radius:16px; background:var(--surface);
}
.badge__k{ font-size:.68rem; letter-spacing:.16em; text-transform:uppercase; color:var(--fg-mute); font-weight:700; }
.badge__v{ font-size:.88rem; color:var(--fg-dim); }

/* ---------- sections ---------- */
.sec{ padding:clamp(60px,8vw,104px) 0; position:relative; }
.sec--alt{ background:var(--ink-2); border-block:1px solid var(--line); }
.sec__hd{ margin-bottom:clamp(34px,4vw,52px); max-width:70ch; }

/* ---------- service cards ---------- */
.cards{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.card{
  position:relative; padding:28px 26px 30px;
  border:1px solid var(--line); border-radius:var(--r); background:var(--surface);
  transition:border-color .22s ease, transform .22s ease, background-color .22s ease;
  overflow:hidden;
}
.card::before{
  content:""; position:absolute; inset:0 0 auto 0; height:2px; background:var(--grad); opacity:0; transition:opacity .22s ease;
}
.card:hover{ border-color:var(--line-2); transform:translateY(-3px); background:rgba(255,255,255,.055); }
.card:hover::before{ opacity:1; }
.card__top{ display:flex; align-items:baseline; justify-content:space-between; gap:16px; flex-wrap:wrap; margin-bottom:12px; }
.card__h{ font-size:1.16rem; font-weight:700; letter-spacing:-.02em; margin:0; }
.card__price{ margin:0; display:inline-flex; align-items:baseline; gap:5px; white-space:nowrap; }
.card__price .num{ font-size:1.45rem; font-weight:800; letter-spacing:-.03em; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.card__price .unit{ font-size:.78rem; color:var(--fg-mute); }
.card__p{ margin:0; color:var(--fg-dim); font-size:.95rem; }

.note{
  margin:22px 0 0; padding:18px 22px; border-radius:16px;
  border:1px dashed var(--line-2); background:rgba(255,255,255,.02);
  color:var(--fg-dim); font-size:.9rem;
}
.note strong{ color:var(--fg); }

/* ---------- split layout ---------- */
.split{ display:grid; grid-template-columns:1.06fr .94fr; gap:clamp(32px,5vw,64px); align-items:center; }
.split--rev .split__media{ order:-1; }
.split__copy{ min-width:0; }
.split__foot{ color:var(--fg-mute); font-size:.94rem; margin:22px 0 0; border-left:2px solid; border-image:var(--grad) 1; padding-left:16px; }
.split__media{ min-width:0; }

.ticks{ list-style:none; margin:26px 0 0; padding:0; display:grid; gap:14px; }
.ticks li{ position:relative; padding-left:30px; color:var(--fg-dim); font-size:.96rem; }
.ticks li::before{
  content:""; position:absolute; left:0; top:.55em; width:9px; height:9px; border-radius:50%;
  background:var(--grad); box-shadow:0 0 12px rgba(139,92,246,.75);
}

/* ---------- method steps ---------- */
.steps{ list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(4,1fr); gap:18px; counter-reset:s; }
.step{ position:relative; padding:26px 22px 28px; border:1px solid var(--line); border-radius:var(--r); background:var(--surface); }
.step__n{
  display:block; font-size:2rem; font-weight:800; letter-spacing:-.04em; line-height:1; margin-bottom:14px;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; opacity:.9;
}
.step__h{ font-size:1.02rem; font-weight:700; letter-spacing:-.015em; margin:0 0 8px; }
.step__p{ margin:0; font-size:.9rem; color:var(--fg-dim); }

/* ---------- chips ---------- */
.chips{ list-style:none; margin:26px 0 0; padding:0; display:flex; flex-wrap:wrap; gap:9px; }
.chips li{
  font-size:.82rem; color:var(--fg-dim);
  border:1px solid var(--line-2); border-radius:999px; padding:8px 15px; background:rgba(255,255,255,.03);
}

/* ---------- credentials ---------- */
.creds{ list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(2,1fr); gap:0 40px; }
.cred{ padding:20px 0; border-top:1px solid var(--line); }
.cred__t{ margin:0 0 4px; font-weight:650; letter-spacing:-.015em; font-size:1rem; }
.cred__m{ margin:0; font-size:.86rem; color:var(--fg-mute); display:flex; flex-wrap:wrap; gap:10px; align-items:baseline; }
.cred__y{
  font-weight:700; font-size:.74rem; letter-spacing:.06em; text-transform:uppercase;
  color:var(--cyan); border:1px solid rgba(53,231,240,.35); border-radius:999px; padding:2px 9px;
}

/* ---------- contact ---------- */
.sec--contact{ background:
    radial-gradient(60% 60% at 20% 0%, rgba(62,107,255,.16), transparent 70%),
    radial-gradient(50% 60% at 90% 30%, rgba(240,56,160,.14), transparent 70%),
    var(--ink-2);
  border-top:1px solid var(--line);
}
.dl{ margin:36px 0 0; display:grid; grid-template-columns:repeat(2,1fr); gap:22px 32px; }
.dl div{ min-width:0; }
.dl dt{ font-size:.7rem; letter-spacing:.15em; text-transform:uppercase; color:var(--fg-mute); font-weight:700; margin-bottom:5px; }
.dl dd{ margin:0; font-size:.94rem; color:var(--fg-dim); }
.dl dd a{ color:var(--fg); text-decoration:none; border-bottom:1px solid var(--line-2); transition:.16s ease; }
.dl dd a:hover{ color:var(--cyan); border-color:var(--cyan); }

.social{ list-style:none; margin:30px 0 0; padding:0; display:flex; flex-wrap:wrap; gap:10px; }
.social a{
  display:inline-block; text-decoration:none; font-size:.85rem; font-weight:600;
  border:1px solid var(--line-2); border-radius:999px; padding:9px 18px; color:var(--fg-dim);
  transition:.18s ease;
}
.social a:hover{ color:var(--fg); border-color:var(--magenta); box-shadow:0 0 22px -6px rgba(240,56,160,.6); }

/* ---------- footer ---------- */
.ftr{ background:var(--ink); border-top:1px solid var(--line); padding:52px 0 30px; }
.ftr__in{ display:flex; flex-wrap:wrap; gap:28px; justify-content:space-between; align-items:flex-start; }
.ftr__name{ font-weight:750; letter-spacing:-.02em; margin:0 0 6px; }
.ftr__role{ margin:0 0 6px; color:var(--fg-dim); font-size:.9rem; }
.ftr__meta{ margin:0; color:var(--fg-mute); font-size:.82rem; max-width:44ch; }
.ftr__links{ display:flex; flex-wrap:wrap; gap:22px; }
.ftr__links a{ font-size:.88rem; color:var(--fg-dim); text-decoration:none; border-bottom:1px solid var(--line-2); padding-bottom:2px; transition:.16s ease; }
.ftr__links a:hover{ color:var(--fg); border-color:var(--cyan); }
.ftr__btm{ margin-top:34px; padding-top:20px; border-top:1px solid var(--line); }
.ftr__btm p{ margin:0; font-size:.8rem; color:var(--fg-mute); }

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal{ padding:clamp(48px,7vw,80px) 0 clamp(60px,8vw,96px); }
.legal .wrap{ max-width:760px; }
.legal h1{ font-size:clamp(1.9rem,4.4vw,2.7rem); font-weight:800; letter-spacing:-.03em; line-height:1.1; margin:0 0 10px; }
.legal .updated{ color:var(--fg-mute); font-size:.84rem; margin:0 0 40px; }
.legal h2{ font-size:1.16rem; font-weight:700; letter-spacing:-.02em; margin:38px 0 12px; padding-top:20px; border-top:1px solid var(--line); }
.legal h3{ font-size:1rem; font-weight:650; margin:22px 0 8px; }
.legal p, .legal li{ color:var(--fg-dim); font-size:.96rem; }
.legal ul{ padding-left:20px; }
.legal li{ margin-bottom:8px; }
.legal a{ color:var(--fg); text-decoration:none; border-bottom:1px solid var(--line-2); }
.legal a:hover{ color:var(--cyan); border-color:var(--cyan); }
.legal .back{
  display:inline-flex; align-items:center; gap:8px; font-size:.88rem; font-weight:600;
  color:var(--fg-dim); text-decoration:none; border:0; margin-bottom:32px;
}
.legal .back:hover{ color:var(--cyan); }
.legal .data{
  margin:0 0 8px; padding:22px 24px; border:1px solid var(--line); border-radius:var(--r); background:var(--surface);
}
.legal .data dl{ margin:0; display:grid; grid-template-columns:auto 1fr; gap:10px 20px; }
.legal .data dt{ font-weight:650; color:var(--fg); font-size:.92rem; }
.legal .data dd{ margin:0; color:var(--fg-dim); font-size:.92rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:960px){
  .hero__in{ grid-template-columns:1fr; }
  .hero__media{ order:-1; max-width:520px; }
  .frame--tall img{ aspect-ratio:16/11; object-position:50% 20%; }
  .split{ grid-template-columns:1fr; }
  .split--rev .split__media{ order:0; }
  .split__media{ max-width:560px; }
  .steps{ grid-template-columns:repeat(2,1fr); }
  .creds{ grid-template-columns:1fr; gap:0; }
  .nav{ display:none; }
}

@media (max-width:620px){
  body{ font-size:16px; }
  .cards{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .dl{ grid-template-columns:1fr; }
  .hdr__in{ height:60px; gap:12px; }
  .mark__txt{ font-size:.9rem; }
  .btn{ --pad: 14px 22px; }
  .cta-row .btn{ flex:1 1 auto; }
  .stats{ gap:18px 26px; }
  .legal .data dl{ grid-template-columns:1fr; gap:2px 0; }
  .legal .data dd{ margin-bottom:10px; }
}

@media (max-width:400px){
  .hdr__right .btn--sm{ display:none; }
}