/* dodatok-vbet.com.ua — світла тема на основі шаблону "dodatok". Без зовнішніх шрифтів і фреймворків. */
:root{
  --pink:#c2128c;--pink-hot:#e02aa8;--pink-dark:#9c0e70;
  --purple:#420088;--purple-deep:#12002b;--purple-mid:#2a0058;
  --gold:#ffc83d;
  --bg:#f8f4fd;--card:#fff;--text:#1c1230;--muted:#5d5075;--line:#e5daf3;
  --radius:14px;--max:1080px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 17px/1.65 var(--font);color:var(--text);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--pink-dark);text-underline-offset:3px}
a:hover{color:var(--purple)}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
h2[id],h3[id]{scroll-margin-top:20px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:#000;padding:10px 16px;z-index:100}
.skip:focus{left:0}

/* Кнопки */
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none;text-align:center;line-height:1.2;color:#fff;background:var(--pink);box-shadow:0 4px 0 var(--pink-dark);transition:transform .15s,background-color .15s}
.btn:hover{background:var(--pink-hot);color:#fff;transform:translateY(-1px)}
.btn:active{transform:translateY(3px);box-shadow:none}
.btn--lg{font-size:1.2rem;padding:16px 34px}
.btn-row{margin:1.6em 0;text-align:center}

/* Шапка + hero */
.hero{position:relative;isolation:isolate;color:#fff;background:var(--purple-deep);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:-1;width:100%;height:100%;object-fit:cover;object-position:right center}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(18,0,43,.9) 0%,rgba(18,0,43,.62) 42%,rgba(18,0,43,0) 62%)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0}
.nav__logo img{width:144px;height:60px}
.nav__menu{display:flex;gap:6px 10px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav__menu a{display:block;padding:6px 12px;border:1px solid rgba(255,255,255,.35);border-radius:999px;color:#fff;text-decoration:none;font-weight:600;font-size:.88rem;background:rgba(18,0,43,.35);transition:background-color .15s,color .15s}
.nav__menu a:hover{background:var(--pink);border-color:var(--pink);color:#fff}
.nav__actions{display:flex;gap:10px}
.hero__body{padding:56px 0 88px;max-width:540px}
.hero__badge{display:inline-block;margin:0 0 16px;padding:4px 14px;border:1px solid rgba(255,255,255,.4);border-radius:999px;font-size:.85rem;letter-spacing:.02em}
.hero h1{margin:0 0 16px;font-size:clamp(1.7rem,4.4vw,2.6rem);line-height:1.15;font-weight:800}
.hero__lead{margin:0 0 28px;font-size:1.1rem;color:#f0e6ff}
.hero__note{margin:14px 0 0;font-size:.85rem;color:#d9c8f5}

/* Контент */
.content{padding:48px 0 24px}
.content .container{max-width:860px}
.content h2{margin:2.2em 0 .6em;font-size:clamp(1.4rem,3.4vw,1.9rem);line-height:1.25;color:var(--purple)}
.content h2::before{content:"";display:inline-block;width:6px;height:1em;margin-right:12px;vertical-align:-.12em;border-radius:3px;background:linear-gradient(var(--pink-hot),var(--purple))}
.content h3{margin:1.6em 0 .4em;font-size:1.2rem}
.content p{margin:0 0 1em}
.content .lead{font-size:1.08rem}
.content ul{margin:0 0 1.2em;padding-left:22px}
.content ul li{margin-bottom:.5em}
.toc{padding:18px 22px;margin:0 0 28px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.toc summary{cursor:pointer;font-weight:700;color:var(--purple);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"+";color:var(--pink);font-size:1.4rem;line-height:1}
.toc details[open] summary::after{content:"\2212"}
.toc details[open] summary{margin-bottom:8px}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:32px}
.toc li{break-inside:avoid;padding:2px 0}
.toc li ul{margin:2px 0 4px;padding-left:18px;columns:1;font-size:.92rem;list-style:disc}
.toc li li{padding:1px 0}
.steps{counter-reset:s;list-style:none;margin:0 0 1.2em;padding:0}
.steps li{counter-increment:s;position:relative;margin:0 0 12px;padding:14px 16px 14px 62px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.steps li::before{content:counter(s);position:absolute;left:14px;top:12px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--pink);color:#fff;font-weight:800}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:1em 0 1.2em}
.card{padding:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);border-top:4px solid var(--pink)}
.card h3{margin:0 0 .4em;font-size:1.05rem;color:var(--purple)}
.card p{margin:0;font-size:.95rem;color:var(--muted)}
.table-wrap{overflow-x:auto;margin:0 0 1.4em;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
table{width:100%;border-collapse:collapse;min-width:520px}
th,td{padding:12px 16px;text-align:left;border-top:1px solid var(--line);vertical-align:top}
thead th{border-top:0;background:#f1e9fb;font-weight:700;color:var(--purple)}
tbody tr:nth-child(even) td{background:#fbf8fe}
.cta{margin:2.4em 0;padding:32px 24px;text-align:center;color:#fff;border-radius:var(--radius);background:linear-gradient(135deg,var(--purple),var(--pink))}
.cta p{margin:0 0 16px;font-size:1.2rem;font-weight:700}
.cta .btn{background:#fff;color:var(--pink-dark);box-shadow:0 4px 0 rgba(0,0,0,.25)}
.cta .btn:hover{background:var(--gold);color:#000}
.age-note{text-align:center;color:var(--muted);font-size:.95rem}

/* Футер */
.footer{margin-top:48px;padding:40px 0 96px;color:#cdbbe8;background:var(--purple-deep);font-size:.9rem}
.footer .container{display:grid;gap:18px}
.footer__top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.footer a{color:#fff}
.footer__links{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;margin:0;padding:0}
.footer p{margin:0}
.age{display:inline-grid;place-items:center;width:40px;height:40px;border:2px solid var(--pink);border-radius:50%;color:#fff;font-weight:800}

/* Липка кнопка на мобільних */
.sticky{display:none}

@media (max-width:1000px){
  .nav{flex-wrap:wrap}
  .nav > nav{order:3;width:100%}
  .nav__menu{justify-content:center;padding-top:8px;margin-top:4px;border-top:1px solid rgba(255,255,255,.15)}
  .nav__logo{order:1}
  .nav__actions{order:2}
}
@media (max-width:900px){
  .hero__bg{top:auto;bottom:0;height:auto;aspect-ratio:800/706;object-fit:cover}
  .hero::after{background:linear-gradient(180deg,rgba(18,0,43,.9) 0%,rgba(18,0,43,.55) 45%,rgba(18,0,43,0) 75%)}
  .hero__body{padding:32px 0 min(84vw,450px);max-width:none;text-align:center}
}
@media (max-width:600px){
  body{font-size:16px}
  .toc ol{columns:1}
  .cards{grid-template-columns:1fr}
  .nav__actions .btn{padding:9px 16px;font-size:.9rem}
  .nav__menu a{font-size:.8rem;padding:5px 10px}
  .btn--lg{font-size:1.05rem;padding:14px 22px}
  .sticky{display:block;position:fixed;z-index:50;left:0;right:0;bottom:0;padding:10px 16px;background:rgba(18,0,43,.95)}
  .sticky .btn{display:block}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}