@font-face{font-display:swap;font-family:Suisse;font-weight:400;src:url(https://twinby.ru/_nuxt/SuisseIntl-Regular.oa9-zr8f.woff2) format("woff2")}
@font-face{font-display:swap;font-family:Suisse;font-weight:500;src:url(https://twinby.ru/_nuxt/SuisseIntl-Medium.DgzIAZ0-.woff2) format("woff2")}
@font-face{font-display:swap;font-family:Suisse;font-weight:600;src:url(https://twinby.ru/_nuxt/SuisseIntl-SemiBold.nXktF52v.woff2) format("woff2")}
@font-face{font-display:swap;font-family:Suisse;font-weight:700;src:url(https://twinby.ru/_nuxt/SuisseIntl-Bold.a0rGzMci.woff2) format("woff2")}

:root{
  --bg-1:#130B2A;
  --bg-2:#1F123D;
  --bg-3:#0A0518;

  --ink:#F3EEFF;
  --ink-soft:#cfc3ea;
  --ink-faint:rgba(243,238,255,.55);
  --card-ink:#1A1426;
  --card-ink-soft:#3c3450;

  --accent:#A77DFF;
  --accent-hot:#C7A8FF;
  --accent-strong:#5B2FD9;
  --lime:#C5F08C;
  --rose:#FFB9C6;

  --card-lavender:#F1E8FF;
  --card-mint:#E0CEFF;
  --card-iris:#CCB3FF;
  --card-peach:#B699FF;
  --card-cream:#9D7BFB;

  --rule:rgba(255,255,255,.12);

  --shadow-sm:0 8px 22px -14px rgba(0,0,0,.6);
  --shadow-md:0 22px 50px -22px rgba(0,0,0,.75),0 4px 10px -6px rgba(0,0,0,.45);
  --shadow-lg:0 36px 72px -24px rgba(0,0,0,.85),0 8px 16px -6px rgba(0,0,0,.55);

  --radius-sm:12px;
  --radius-md:18px;
  --radius-lg:24px;
  --radius-full:999px;

  --ring:0 0 0 3px rgba(91,47,217,.35),0 0 0 5px rgba(255,255,255,.85);

  --sans:Suisse,-apple-system,BlinkMacSystemFont,'Helvetica Neue',sans-serif;

  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-back:cubic-bezier(.34,1.4,.64,1);
}

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

html{
  -webkit-text-size-adjust:100%;
  min-height:100%;
  background:var(--bg-1);
  color-scheme:dark;
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
a,button{-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

body{
  font-family:var(--sans);color:var(--ink);min-height:100dvh;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  background:
    radial-gradient(ellipse 85% 55% at 50% -10%,#4420a8 0%,transparent 55%),
    radial-gradient(ellipse 70% 45% at 85% 30%,rgba(167,125,255,.22) 0%,transparent 50%),
    radial-gradient(ellipse 90% 60% at 10% 80%,rgba(91,47,217,.28) 0%,transparent 55%),
    linear-gradient(180deg,var(--bg-2) 0%,var(--bg-1) 45%,var(--bg-3) 100%);
  position:relative;
}

body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:2;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.6  0 0 0 0 0.5  0 0 0 0 0.85  0 0 0 0.1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity:.4;mix-blend-mode:overlay;
}

.ambient{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.ambient svg{position:absolute;opacity:.22;filter:blur(.3px)}
.ambient .a1{top:8%;left:-3%;width:140px;transform:rotate(-20deg)}
.ambient .a2{top:55%;right:-4%;width:180px;transform:rotate(22deg)}
.ambient .a3{top:82%;left:14%;width:100px;transform:rotate(-8deg);opacity:.18}

.sheet{
  position:relative;z-index:1;
  max-width:520px;margin:0 auto;
  padding:28px 18px 36px;
  padding:max(28px,env(safe-area-inset-top)) max(18px,env(safe-area-inset-right)) max(36px,env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left));
  min-height:100dvh;
  display:flex;flex-direction:column;
}

/* Allow quiz + calc sections to fill the middle space so footer stays at bottom */
.sheet > section#quiz:not([hidden]),
.sheet > .calc:not([hidden]){flex:1;display:flex;flex-direction:column}
.foot{margin-top:auto}

.brand{display:flex;justify-content:center;margin-bottom:20px}
.brand svg{width:84px;height:auto;display:block;filter:drop-shadow(0 10px 20px rgba(91,47,217,.25))}

/* ══ INTRO ══ */
.intro{text-align:center;margin-top:8px;flex:1;display:flex;flex-direction:column;justify-content:center}

.intro-kicker{
  display:inline-block;
  font-size:10.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--lime);
  padding:6px 12px;
  border:1px solid rgba(197,240,140,.28);
  border-radius:var(--radius-full);
  margin:0 auto 16px;
  background:rgba(197,240,140,.06);
}

.intro-title{
  font-size:clamp(26px,6.6vw,34px);
  line-height:1.12;letter-spacing:-.02em;font-weight:700;
  color:var(--ink);
  margin-bottom:16px;
  text-wrap:balance;
}

.intro-lead{
  font-size:15px;line-height:1.5;font-weight:500;
  color:var(--ink-soft);
  max-width:36ch;margin:0 auto 24px;
  text-wrap:pretty;
}

.intro-meta{
  display:flex;justify-content:center;gap:14px;
  font-size:12px;color:var(--ink-faint);
  margin-bottom:24px;
}
.intro-meta span{display:inline-flex;align-items:center;gap:6px}
.intro-meta span::before{content:'';width:4px;height:4px;border-radius:50%;background:var(--accent);flex:none}

/* ══ CTA / PRIMARY BUTTON ══ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 28px;min-height:56px;width:100%;max-width:320px;
  border-radius:var(--radius-full);
  background:linear-gradient(135deg,#C4A7FF 0%,#9D7BFB 45%,#5B2FD9 100%);
  color:#fff;font-weight:700;font-size:16px;letter-spacing:-.005em;
  box-shadow:0 18px 42px -14px rgba(91,47,217,.7),0 0 0 1px rgba(255,255,255,.08) inset;
  transition:transform .25s var(--ease-back),box-shadow .25s var(--ease);
  text-decoration:none;position:relative;overflow:hidden;
  margin:0 auto;
  animation:ctaBreath 3.2s ease-in-out infinite;
}
.btn-primary::after{
  content:'';position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.25) 50%,transparent 70%);
  transform:translateX(-120%);transition:transform .8s var(--ease);
  pointer-events:none;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 56px -18px rgba(91,47,217,.85),0 0 0 1px rgba(255,255,255,.12) inset}
.btn-primary:hover::after{transform:translateX(120%)}
.btn-primary:active{transform:translateY(0) scale(.985);box-shadow:0 12px 28px -10px rgba(91,47,217,.6),0 0 0 1px rgba(255,255,255,.08) inset}
.btn-primary:focus-visible{outline:none;box-shadow:var(--ring),0 18px 42px -14px rgba(91,47,217,.7)}
.btn-primary svg{width:18px;height:18px}

@keyframes ctaBreath{
  0%,100%{box-shadow:0 18px 42px -14px rgba(91,47,217,.7),0 0 0 1px rgba(255,255,255,.08) inset}
  50%{box-shadow:0 22px 50px -14px rgba(167,125,255,.85),0 0 0 1px rgba(255,255,255,.14) inset}
}

/* ══ QUIZ PROGRESS ══ */
.progress{
  position:sticky;top:0;z-index:5;
  display:flex;align-items:center;gap:14px;
  padding:14px 0 16px;
  margin:-12px 0 22px;
  background:var(--bg-1);
}
.progress::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(to right,transparent 0%,rgba(255,255,255,.14) 20%,rgba(255,255,255,.14) 80%,transparent 100%);
}
.progress-back{
  flex:none;width:32px;height:32px;border-radius:var(--radius-full);
  display:grid;place-items:center;
  background:transparent;
  border:1px solid rgba(255,255,255,.16);
  color:var(--ink-soft);
  transition:transform .25s var(--ease-back),background .2s,border-color .2s,color .2s;
}
.progress-back:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.32);color:var(--ink);transform:translateX(-2px)}
.progress-back:active{transform:scale(.92)}
.progress-back[disabled]{opacity:.3;pointer-events:none;border-color:rgba(255,255,255,.08)}
.progress-back svg{width:14px;height:14px}

.progress-bar{
  flex:1;height:4px;
  border-radius:var(--radius-full);
  background:rgba(255,255,255,.08);
  overflow:hidden;
  position:relative;
}
.progress-fill{
  position:absolute;inset:0 auto 0 0;
  background:linear-gradient(90deg,#C4A7FF 0%,#5B2FD9 100%);
  border-radius:inherit;
  transition:width .4s var(--ease);
}
.progress-count{
  flex:none;
  font-size:12.5px;font-weight:700;color:var(--ink-soft);
  letter-spacing:.01em;min-width:42px;text-align:right;
  font-variant-numeric:tabular-nums;
}

/* ══ QUESTION ══ */
.question{display:none;flex-direction:column;gap:14px}
.question.active{display:flex;animation:qIn .45s var(--ease) both}
@keyframes qIn{
  from{opacity:0;transform:translateY(16px)}
  to{opacity:1;transform:translateY(0)}
}

.q-number{
  display:inline-block;
  font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent-hot);
}

.q-text{
  font-size:clamp(20px,5.4vw,26px);line-height:1.22;letter-spacing:-.015em;font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
  text-wrap:balance;
}

.options{display:flex;flex-direction:column;gap:10px}

.option{
  display:flex;align-items:center;gap:14px;
  padding:16px 18px 16px 18px;
  border-radius:var(--radius-lg);
  background:#fff;
  color:var(--card-ink);
  text-align:left;width:100%;
  box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease-back),box-shadow .25s var(--ease),background .25s var(--ease);
  position:relative;isolation:isolate;overflow:hidden;
  border:1px solid transparent;
}
.option::before{
  content:'';position:absolute;inset:auto -30% -40% auto;width:70%;height:70%;
  background:radial-gradient(circle,rgba(26,20,38,.05) 0%,transparent 60%);
  z-index:-1;transition:transform .5s var(--ease);
}
.option:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.option:hover::before{transform:translate(-20%,-20%) scale(1.3)}
.option:active{transform:translateY(1px) scale(.985);box-shadow:var(--shadow-sm);transition:transform .08s var(--ease),box-shadow .08s var(--ease)}
.option:focus-visible{outline:none;box-shadow:var(--shadow-sm),var(--ring)}

.option[data-letter="a"]{background:var(--card-lavender)}
.option[data-letter="b"]{background:var(--card-mint)}
.option[data-letter="c"]{background:var(--card-iris)}
.option[data-letter="d"]{background:var(--card-peach)}

.option-letter{
  flex:none;width:32px;height:32px;border-radius:var(--radius-full);
  background:var(--card-ink);color:#fff;
  display:grid;place-items:center;
  font-weight:700;font-size:13px;letter-spacing:.01em;
  text-transform:uppercase;
  transition:transform .3s var(--ease-back),background .25s;
}
.option[data-letter="d"] .option-letter{background:var(--card-ink);color:#fff}

.option-text{
  flex:1;
  font-size:15px;line-height:1.3;font-weight:600;letter-spacing:-.005em;
  color:var(--card-ink);text-wrap:balance;
}

.option:hover .option-letter{transform:scale(1.06);background:var(--accent-strong)}
.option.is-selected{border-color:var(--accent);box-shadow:var(--shadow-md),0 0 0 2px rgba(167,125,255,.5)}
.option.is-selected .option-letter{background:var(--accent-strong)}

/* ══ LOADING RESULT ══ */
.calc{display:none;flex-direction:column;align-items:center;justify-content:center;flex:1;text-align:center;padding:40px 0}
.calc.active{display:flex}
.calc-spinner{
  width:60px;height:60px;margin-bottom:20px;
  border:3px solid rgba(255,255,255,.1);
  border-top-color:var(--accent);
  border-radius:50%;
  animation:spin .9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.calc-text{
  font-size:15px;font-weight:500;color:var(--ink-soft);
}

/* ══ RESULT PAGE ══ */
.result-sheet{padding-top:max(20px,env(safe-area-inset-top))}

.result{
  text-align:center;margin-top:14px;
  padding:24px 20px;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(167,125,255,.14) 0%,rgba(91,47,217,.08) 100%);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow-md);
}
.result-kicker{
  display:inline-block;
  font-size:10.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--lime);
  padding:5px 12px;
  border:1px solid rgba(197,240,140,.3);
  border-radius:var(--radius-full);
  margin-bottom:14px;
}
.result-title{
  font-size:clamp(24px,6vw,32px);line-height:1.15;letter-spacing:-.02em;font-weight:700;
  color:var(--ink);margin-bottom:14px;text-wrap:balance;
}
.result-body{
  font-size:15px;line-height:1.55;font-weight:500;color:var(--ink-soft);text-align:left;
  text-wrap:pretty;
}

.cta-card{
  margin-top:16px;
  padding:20px;
  border-radius:var(--radius-lg);
  background:var(--card-lavender);
  color:var(--card-ink);
  box-shadow:var(--shadow-md);
  display:flex;flex-direction:column;gap:16px;
}
.cta-text{
  font-size:14.5px;line-height:1.5;font-weight:500;color:var(--card-ink);
  text-wrap:pretty;
}

.cta-install{
  display:flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 24px;min-height:56px;width:100%;
  border-radius:var(--radius-full);
  background:linear-gradient(135deg,#5B2FD9 0%,#1A1426 100%);
  color:#fff;font-weight:700;font-size:16px;letter-spacing:-.005em;
  text-decoration:none;
  transition:transform .25s var(--ease-back),box-shadow .25s var(--ease);
  box-shadow:0 12px 28px -10px rgba(26,20,38,.5);
  position:relative;overflow:hidden;isolation:isolate;
}
.cta-install::before{
  content:'';position:absolute;inset:0;border-radius:inherit;z-index:-1;
  background:radial-gradient(circle at 70% 30%,rgba(167,125,255,.35),transparent 60%);
  opacity:0;transition:opacity .3s;
}
.cta-install:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px rgba(26,20,38,.65)}
.cta-install:hover::before{opacity:1}
.cta-install:active{transform:translateY(0) scale(.985)}
.cta-install:focus-visible{outline:none;box-shadow:var(--ring)}
.cta-install-arrow{
  width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.18);
  display:grid;place-items:center;
  animation:arrowPulse 2.4s ease-in-out infinite;
}
.cta-install-arrow svg{width:14px;height:14px}
@keyframes arrowPulse{
  0%,100%{transform:scale(1)}
  50%{transform:scale(1.08)}
}

.secondary{
  display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;
}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 14px;min-height:48px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-md);
  color:var(--ink);text-decoration:none;
  font-weight:600;font-size:13.5px;letter-spacing:-.005em;
  transition:transform .3s var(--ease-back),background .2s,border-color .2s;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.btn-secondary svg{width:16px;height:16px;opacity:.8}
.btn-secondary:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(0) scale(.985)}
.btn-secondary:focus-visible{outline:none;box-shadow:var(--ring)}

/* ══ FOOTER ══ */
.foot{
  margin-top:24px;padding-top:16px;
  border-top:1px solid var(--rule);
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  font-size:12px;font-weight:500;color:var(--ink-faint);
}
.foot .site-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--ink-faint);text-decoration:none;
  transition:color .25s;
}
.foot .site-link .site-url{border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:1px;transition:border-color .25s,color .25s}
.foot .site-link:hover{color:var(--ink)}
.foot .site-link:hover .site-url{border-color:var(--lime);color:var(--ink)}

/* ══ REVEAL ══ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .65s var(--ease),transform .75s var(--ease-back)}
.reveal.in-view{opacity:1;transform:translateY(0)}

/* ══ TOAST ══ */
.toast{
  position:fixed;left:50%;bottom:max(24px,env(safe-area-inset-bottom));
  transform:translate(-50%,20px);
  background:rgba(26,20,38,.92);
  color:var(--ink);
  padding:12px 18px;border-radius:var(--radius-full);
  font-size:13.5px;font-weight:600;letter-spacing:-.005em;
  box-shadow:var(--shadow-lg),0 0 0 1px rgba(255,255,255,.08);
  opacity:0;pointer-events:none;
  transition:transform .35s var(--ease-back),opacity .25s;
  z-index:10;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ══ HIDDEN STATES ══ */
.intro[hidden],.question[hidden],.calc[hidden]{display:none!important}

/* ══ A11Y ══ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .btn-primary{animation:none}
  .cta-install-arrow{animation:none}
}

/* ══ TABLET (≥720px) ══ */
@media (min-width:720px){
  .sheet{
    max-width:680px;
    padding:44px 36px 56px;
    padding:max(44px,env(safe-area-inset-top)) max(36px,env(safe-area-inset-right)) max(56px,env(safe-area-inset-bottom)) max(36px,env(safe-area-inset-left));
  }
  .brand{margin-bottom:28px}
  .brand svg{width:104px}

  .intro{margin-top:20px}
  .intro-kicker{font-size:11.5px;letter-spacing:.2em;padding:8px 16px;margin-bottom:22px}
  .intro-title{font-size:clamp(34px,4.2vw,44px);margin-bottom:20px;max-width:22ch;margin-left:auto;margin-right:auto}
  .intro-lead{font-size:17px;line-height:1.55;max-width:48ch;margin-bottom:32px}

  .btn-primary{max-width:360px;padding:18px 32px;min-height:62px;font-size:17px}

  .progress{padding:18px 0 20px;margin:-18px 0 30px;gap:16px}
  .progress-back{width:36px;height:36px}
  .progress-back svg{width:15px;height:15px}
  .progress-count{font-size:13px;min-width:46px}

  .q-number{font-size:12px;letter-spacing:.22em}
  .q-text{font-size:clamp(26px,3.4vw,32px);margin-bottom:14px;max-width:32ch}
  .options{gap:12px;margin-top:6px}
  .option{padding:22px 26px;border-radius:26px;gap:18px}
  .option-letter{width:36px;height:36px;font-size:14px}
  .option-text{font-size:16.5px;line-height:1.35}

  .calc-spinner{width:72px;height:72px;border-width:4px;margin-bottom:26px}
  .calc-text{font-size:16px}

  /* Result page */
  .result-sheet{max-width:820px}
  .result{padding:36px 40px;margin-top:18px}
  .result-kicker{font-size:11.5px;letter-spacing:.2em;padding:6px 14px;margin-bottom:18px}
  .result-title{font-size:clamp(30px,3.4vw,42px);margin-bottom:18px}
  .result-body{font-size:17px;line-height:1.6}

  .cta-card{
    margin-top:22px;padding:28px 32px;
    flex-direction:row;align-items:center;gap:28px;
  }
  .cta-text{flex:1;font-size:15.5px;line-height:1.55}
  .cta-install{width:auto;min-width:280px;padding:18px 30px;min-height:62px;font-size:17px;flex:none}

  .secondary{
    grid-template-columns:repeat(2,minmax(0,220px));
    justify-content:center;gap:14px;margin-top:18px;
  }
  .btn-secondary{padding:15px 18px;min-height:54px;font-size:14.5px}
  .btn-secondary svg{width:18px;height:18px}

  .foot{margin-top:auto;padding-top:22px;font-size:13px}
}

/* ══ DESKTOP (≥1024px) ══ */
@media (min-width:1024px){
  .sheet{max-width:760px;padding:56px 48px 64px}

  .brand svg{width:116px}
  .intro{margin-top:32px}
  .intro-title{font-size:clamp(38px,3.6vw,48px)}
  .intro-lead{font-size:18px;max-width:52ch;margin-bottom:40px}
  .intro-meta{font-size:13px;margin-bottom:32px}

  .btn-primary{max-width:380px;padding:20px 36px;min-height:66px;font-size:18px}

  .q-text{font-size:clamp(28px,2.6vw,34px);max-width:36ch}
  .option{padding:24px 30px;border-radius:28px}
  .option-text{font-size:17px}

  /* Result page on desktop — extra breathing room */
  .result-sheet{max-width:880px}
  .result{padding:44px 52px}
  .result-body{font-size:17.5px}
  .cta-card{padding:32px 36px}
  .cta-text{font-size:16px}
}

/* ══ MOBILE TWEAKS ══ */
@media (max-width:400px){
  .brand svg{width:74px}
  .sheet{padding:20px 14px 28px}
  .intro-title{font-size:clamp(22px,6.8vw,28px)}
  .intro-lead{font-size:14px}
  .q-text{font-size:clamp(18px,5.4vw,23px)}
  .option{padding:14px 16px;border-radius:20px;gap:12px}
  .option-letter{width:28px;height:28px;font-size:12px}
  .option-text{font-size:14px}
  .btn-primary{padding:15px 22px;font-size:15px}
  .result{padding:20px 16px}
  .result-body{font-size:14px}
  .cta-card{padding:16px}
  .cta-install{padding:14px 20px;font-size:15px}
  .secondary{gap:8px}
  .btn-secondary{font-size:12.5px;padding:12px 10px}
}