/* Vitaflex — вариант Б. Собственные стили, mobile-first. */
:root{
  --navy:#0b2540; --blue:#1573a8; --sky:#1fa3d6; --ice:#eaf5fb; --line:#d6e6f0;
  --text:#1d2b3a; --muted:#5b6b7b; --cta:#ff6a2b; --cta-d:#e5561a; --ok:#177a52; --white:#fff;
  --r:16px; --bar-h:0px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:#fff}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 16px}
section{padding:40px 0}
h1,h2,h3{line-height:1.2;color:var(--navy);margin:0 0 .5em}
h1{font-size:28px;letter-spacing:-.01em}
h2{font-size:24px}
h3{font-size:18px}
p{margin:0 0 .9em}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);background:var(--ice);padding:5px 10px;border-radius:99px;margin-bottom:12px}
.lead{font-size:17px;color:var(--muted)}

/* top bar */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{font-weight:800;font-size:20px;color:var(--navy);text-decoration:none;letter-spacing:-.02em}
.brand span{color:var(--sky)}

/* buttons */
.btn{display:inline-block;border:0;cursor:pointer;font:inherit;font-weight:800;text-align:center;text-decoration:none;color:#fff;background:var(--cta);padding:15px 26px;border-radius:12px;box-shadow:0 6px 16px rgba(255,106,43,.35);transition:.15s}
.btn:hover{background:var(--cta-d)}
.btn--sm{padding:9px 16px;font-size:14px;box-shadow:none}
.btn--block{display:block;width:100%}
.btn small{display:block;font-weight:500;font-size:12px;opacity:.92}

/* hero */
.hero{background:linear-gradient(180deg,var(--ice),#fff);padding:28px 0 36px}
.hero .wrap{display:grid;gap:22px}
.hero__pic{position:relative;max-width:190px;margin:0 auto;order:-1}
.hero__pic:before{content:"";position:absolute;inset:8% 6%;background:radial-gradient(circle,#cdeaf8 0,#e9f6fc 70%);border-radius:50%}
.hero__pic img{position:relative;width:100%}
.ticks{list-style:none;margin:16px 0;padding:0}
.ticks li{position:relative;padding:5px 0 5px 30px}
.ticks li:before{content:"✓";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:var(--ok);color:#fff;font-size:12px;line-height:20px;text-align:center;font-weight:700}
.pricebox{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 12px;margin:18px 0 6px}
.pricebox b{font-size:38px;color:var(--navy);line-height:1}
.pricebox span{color:var(--muted)}
.promo{font-size:15px;background:#fff;border:1px dashed var(--sky);border-radius:12px;padding:10px 14px;margin:0 0 16px}
.micro{font-size:13px;color:var(--muted);margin:10px 0 0}

/* rails (горизонтальная прокрутка на мобильном) */
.rail{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -16px;padding:4px 16px 14px;-webkit-overflow-scrolling:touch;list-style:none}
.rail>*{flex:0 0 78%;scroll-snap-align:start}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px}
.card .num{width:36px;height:36px;border-radius:50%;background:var(--ice);color:var(--blue);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.card p{margin:0;color:var(--muted);font-size:15px}
.hint-scroll{font-size:12px;color:var(--muted);margin:-4px 0 0}

/* packs */
.packs{display:grid;gap:12px}
.pack{border:2px solid var(--line);border-radius:var(--r);padding:18px;background:#fff}
.pack--best{border-color:var(--sky);background:var(--ice)}
.pack h3{margin-bottom:4px}
.pack .p{font-size:30px;font-weight:800;color:var(--navy)}
.pack ul{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:15px}

/* steps */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;gap:10px}
.steps li{counter-increment:s;position:relative;padding:14px 14px 14px 58px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.steps li:before{content:counter(s);position:absolute;left:14px;top:12px;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
.steps b{color:var(--navy)}

.note{background:#fff8ef;border:1px solid #f3d9b4;border-radius:var(--r);padding:16px;font-size:15px}
.alt{background:var(--ice)}

/* faq */
details{border:1px solid var(--line);border-radius:12px;background:#fff;margin:0 0 10px}
summary{cursor:pointer;font-weight:700;color:var(--navy);padding:14px 16px;list-style:none;position:relative;padding-right:40px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:16px;top:10px;font-size:22px;color:var(--blue)}
details[open] summary:after{content:"–"}
details>div{padding:0 16px 14px;color:var(--muted);font-size:15px}

/* order */
.order{background:var(--navy);color:#fff}
.order h2{color:#fff}
.order .grid{display:grid;gap:22px}
.order .sum{color:#cfe3f2}
.order .sum b{color:#fff}
.formbox{background:#fff;color:var(--text);border-radius:var(--r);padding:20px}
.form__row{margin-bottom:14px}
.form__row label{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--navy);margin-bottom:4px}
.form__row .hint{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.form__row input,.form__row select{width:100%;font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid #bfd3e0;border-radius:10px;background:#fff;color:var(--text)}
.form__row input:focus,.form__row select:focus{outline:0;border-color:var(--sky);box-shadow:0 0 0 3px rgba(31,163,214,.2)}
.callback-note{font-size:13px;color:var(--muted);margin:12px 0 0}
.legal{font-size:12px;color:var(--muted);margin:10px 0 0}

/* footer */
footer{background:#071a2e;color:#9fb3c6;font-size:13px;padding:28px 0 calc(28px + var(--bar-h))}
footer a{color:#cfe3f2}
footer details{background:#0b2540;border-color:#17385c}
footer summary{color:#fff;font-size:14px}
footer details>div{color:#9fb3c6}
footer h4{color:#fff;margin:14px 0 4px;font-size:14px}

/* sticky bar (мобильный) */
#vfSticky{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(11,37,64,.12);transform:translateY(110%);transition:transform .25s}
.vf-sticky-on #vfSticky{transform:none}
#vfSticky .btn{width:100%}
@media(min-width:769px){#vfSticky{display:none}}

/* desktop */
@media(min-width:769px){
  h1{font-size:40px} h2{font-size:30px}
  section{padding:64px 0}
  .hero .wrap{grid-template-columns:1.15fr .85fr;align-items:center;gap:40px}
  .hero__pic{max-width:380px;order:0}
  .rail{display:grid;grid-template-columns:repeat(4,1fr);overflow:visible;margin:0;padding:0}
  .rail>*{flex:none}
  .hint-scroll{display:none}
  .packs{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .order .grid{grid-template-columns:1fr 1fr;align-items:start;gap:44px}
}

/* ===== v2: дополнительные блоки ===== */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0;padding:0;list-style:none}
.chips li{font-size:13px;font-weight:600;color:var(--navy);background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 12px}

/* выбор пакета */
.packsel{display:grid;gap:12px;margin:18px 0 16px}
.pk{position:relative;display:grid;grid-template-columns:96px 1fr;grid-template-areas:"img t" "img p" "img s" "img ok";column-gap:14px;align-items:center;text-align:left;width:100%;font:inherit;color:var(--text);background:#fff;border:2px solid var(--line);border-radius:var(--r);padding:14px;cursor:pointer;transition:.15s}
.pk img{grid-area:img;width:96px;height:96px;object-fit:contain}
.pk__t{grid-area:t;font-weight:800;color:var(--navy);font-size:17px}
.pk__p{grid-area:p;font-size:30px;font-weight:800;color:var(--navy);line-height:1.1}
.pk__s{grid-area:s;font-size:14px;color:var(--muted)}
.pk__ok{grid-area:ok;font-size:12px;font-weight:700;color:var(--ok);visibility:hidden}
.pk.is-on{border-color:var(--sky);background:var(--ice);box-shadow:0 0 0 3px rgba(31,163,214,.18)}
.pk.is-on .pk__ok{visibility:visible}
.pk__badge{position:absolute;top:-10px;right:12px;background:var(--cta);color:#fff;font-size:12px;font-weight:800;padding:3px 10px;border-radius:99px}

/* две колонки: картинка + текст */
.split{display:grid;gap:22px;align-items:center}
.split__pic{max-width:340px;margin:0 auto}
.split__pic img{width:100%;height:auto}

/* состав */
.ingr{display:grid;gap:10px;margin:18px 0 6px;padding:0;list-style:none}
.ingr li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.ingr b{display:block;color:var(--navy)}
.ingr span{font-size:14px;color:var(--muted)}

/* таблица условий */
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:15px}
.tbl th,.tbl td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{width:38%;color:var(--navy);background:#f4f9fc;font-weight:700}
.tbl tr:last-child th,.tbl tr:last-child td{border-bottom:0}

.cta-row{margin-top:18px}
.order .pickline{background:rgba(255,255,255,.08);border-radius:12px;padding:10px 14px;color:#fff}

@media(min-width:769px){
  .packsel{grid-template-columns:1fr 1fr;gap:18px}
  .pk{grid-template-columns:130px 1fr}
  .pk img{width:130px;height:130px}
  .split{grid-template-columns:.8fr 1.2fr;gap:44px}
  .split--rev{grid-template-columns:1.2fr .8fr}
  .split--rev .split__pic{order:2}
  .ingr{grid-template-columns:repeat(2,1fr)}
  .cta-row .btn{max-width:420px}
}

/* ===== v3: ингредиенты с фото, механизм, доставка, FAQ ===== */
.ingp{display:grid;gap:12px;margin:18px 0 6px;padding:0;list-style:none}
.ingp li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;display:grid;grid-template-columns:92px 1fr;gap:14px;align-items:center}
.ingp .ph{width:92px;height:92px;border-radius:12px;background:#fff url(../img/ingredients.webp) no-repeat;background-size:400% 400%}
.ingp .ph--mint{background-position:1.4% 22.1%}
.ingp .ph--menthyl{background-position:33.0% 22.1%}
.ingp .ph--camphor{background-position:64.8% 22.7%}
.ingp .ph--arnica{background-position:0.0% 76.9%}
.ingp .ph--colageno{background-position:33.3% 77.4%}
.ingp .ph--vitc{background-position:65.7% 76.9%}
.ingp .tg{display:block;font-size:12px;font-weight:700;color:var(--blue);margin-bottom:2px}
.ingp b{display:block;color:var(--navy);font-size:17px;line-height:1.25}
.ingp span.tx{display:block;font-size:14px;color:var(--muted);margin-top:4px}

.pic{position:relative;border-radius:var(--r);overflow:hidden;background:#dfeef6}
.pic img{width:100%;height:100%;object-fit:cover;display:block}
.pic--wide{aspect-ratio:3/2}
.pic--tall{aspect-ratio:4/5}
.pic__tag{position:absolute;left:12px;bottom:12px;background:rgba(7,26,46,.85);color:#fff;font-size:12px;padding:5px 10px;border-radius:8px}

.mech{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.mech li{display:grid;grid-template-columns:48px 1fr;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.mech .n{font-size:24px;font-weight:800;color:var(--sky)}
.mech .t{display:block;font-size:12px;font-weight:700;color:var(--blue);margin-bottom:2px}
.mech b{display:block;color:var(--navy);font-size:17px;line-height:1.25}
.mech .d{display:block;font-size:14px;color:var(--muted);margin-top:3px}

.steps--col{grid-template-columns:1fr}

.cities{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;padding:0;list-style:none}
.cities li{font-size:14px;font-weight:600;color:var(--navy);background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 14px}

.faq{display:grid;gap:18px}
.faq__head p{color:var(--muted)}

@media(min-width:769px){
  .ingp{grid-template-columns:repeat(3,1fr);gap:16px}
  .ingp li{grid-template-columns:1fr;text-align:left;align-items:start}
  .ingp .ph{width:140px;height:140px}
  .split--mech{grid-template-columns:1fr 1fr;align-items:center}
  .faq{grid-template-columns:.8fr 1.6fr;gap:44px;align-items:start}
}

/* ===== v5: hero con foto ===== */
.hero .wrap{grid-template-areas:"head" "pic" "body";gap:18px}
.hero__head{grid-area:head}
.hero__body{grid-area:body}
.hero__pic{grid-area:pic;order:0;max-width:340px;margin:0 auto;border-radius:20px;overflow:hidden;box-shadow:0 14px 34px rgba(11,37,64,.18)}
.hero__pic:before{display:none}
.hero__pic img{width:100%;height:auto}
@media(min-width:769px){
  .hero .wrap{grid-template-columns:1.1fr .9fr;grid-template-areas:"head pic" "body pic";align-items:start;column-gap:48px;row-gap:0}
  .hero__pic{max-width:440px;margin:0 0 0 auto;align-self:center}
}