/* ============================================================
   FoodBase RU/BY — база КБЖУ продуктов
   Лёгкие стили без фреймворков: быстрый LCP, хороший PageSpeed
   ============================================================ */
:root{
  --bg:#f7faf7;--bg-2:#ffffff;--bg-3:#eef5ee;
  --fg:#12201a;--fg-2:#3f5148;--fg-3:#6f8078;
  --accent:#1f9d55;--accent-2:#167a42;--accent-soft:#dff3e6;
  --warn:#e0a100;--line:#dde7df;
  --radius:16px;--shadow:0 10px 30px rgba(18,32,26,.08);
  --max:1160px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0e1512;--bg-2:#141d19;--bg-3:#1a2620;
    --fg:#eef4f0;--fg-2:#b8c6bd;--fg-3:#84948a;
    --accent:#3fc776;--accent-2:#2ea862;--accent-soft:#193a28;
    --line:#26342d;--shadow:0 10px 30px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#0e1512;--bg-2:#141d19;--bg-3:#1a2620;
  --fg:#eef4f0;--fg-2:#b8c6bd;--fg-3:#84948a;
  --accent:#3fc776;--accent-2:#2ea862;--accent-soft:#193a28;
  --line:#26342d;--shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;background:var(--bg);color:var(--fg);
  font:16px/1.6 "Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.container{max-width:var(--max);margin:0 auto;padding:0 16px}
.section{padding:72px 0}
.section--tight{padding:48px 0}
.section--alt{background:var(--bg-3)}
.lead{font-size:1.15rem;color:var(--fg-2);max-width:720px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-2);margin-bottom:12px}
.muted{color:var(--fg-3)}
.center{text-align:center}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg-2) 85%,transparent);
  backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem;color:var(--fg)}
.logo:hover{text-decoration:none}
.logo__mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#7ad39f);display:grid;place-items:center;color:#fff;font-weight:900;font-size:.9rem}
.nav__links{display:flex;gap:22px;align-items:center;list-style:none;margin:0;padding:0}
.nav__links a{color:var(--fg-2);font-weight:500;white-space:nowrap}
.nav__links a:hover{color:var(--fg);text-decoration:none}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;cursor:pointer;color:var(--fg)}
@media(max-width:1060px){
  .nav__links{display:none;position:absolute;left:0;right:0;top:64px;background:var(--bg-2);flex-direction:column;align-items:stretch;padding:12px 16px 20px;border-bottom:1px solid var(--line);gap:4px}
  .nav__links li a{display:block;padding:10px 6px}
  .nav__links.is-open{display:flex}
  .burger{display:block}
  .nav .btn{display:none}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:12px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.15s;white-space:nowrap;font-size:1rem}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-2)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--fg)}
.btn--ghost:hover{background:var(--bg-3)}
.btn--lg{padding:16px 28px;font-size:1.05rem}

/* ---------- hero ---------- */
.hero{padding:80px 0 56px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:60vw;height:60vw;max-width:800px;max-height:800px;
  background:radial-gradient(closest-side,var(--accent-soft),transparent 70%);z-index:-1;opacity:.9}
.hero__grid{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center}
@media(max-width:900px){.hero__grid{grid-template-columns:1fr}}
.hero h1 span{color:var(--accent-2)}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 18px}
.hero__note{font-size:.9rem;color:var(--fg-3)}
.flags{display:inline-flex;flex-wrap:wrap;gap:4px 10px;align-items:center;max-width:100%;font-size:.9rem;color:var(--fg-2);background:var(--bg-2);border:1px solid var(--line);padding:6px 12px;border-radius:999px;margin-bottom:18px}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.stat__num{font-size:1.8rem;font-weight:800;color:var(--accent-2);letter-spacing:-.02em}
.stat__label{font-size:.9rem;color:var(--fg-3)}

/* ---------- cards ---------- */
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card--flat{box-shadow:none}
.card__icon{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent-2);display:grid;place-items:center;margin-bottom:16px;font-size:1.3rem}
.card h3{margin-bottom:8px}
.card p:last-child{margin-bottom:0}

/* ---------- sample table ---------- */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2)}
table{border-collapse:collapse;width:100%;min-width:760px;font-size:.93rem}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--bg-3);font-weight:600;color:var(--fg-2);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:none}
td.num{text-align:right;font-variant-numeric:tabular-nums}
.tag{display:inline-block;font-size:.75rem;padding:2px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent-2);font-weight:600}
.tag--by{background:#fdecec;color:#b42323}
:root[data-theme="dark"] .tag--by{background:#3a1c1c;color:#f39a9a}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .tag--by{background:#3a1c1c;color:#f39a9a}}
.code{background:var(--bg-3);border:1px solid var(--line);border-radius:12px;padding:16px;font:.85rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto;color:var(--fg-2)}

/* ---------- pricing ---------- */
.price{position:relative;display:flex;flex-direction:column}
.price--hot{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft),var(--shadow)}
.price__badge{position:absolute;top:-12px;left:24px;background:var(--accent);color:#fff;font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:999px}
.price__amount{font-size:2rem;font-weight:800;margin:8px 0 4px;letter-spacing:-.02em}
.price__amount small{font-size:.95rem;font-weight:500;color:var(--fg-3)}
.price ul{list-style:none;padding:0;margin:18px 0 24px;flex:1}
.price li{padding:6px 0 6px 26px;position:relative;color:var(--fg-2)}
.price li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.price li.no::before{content:"–";color:var(--fg-3)}

/* ---------- timeline / roadmap ---------- */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl{position:relative;margin-bottom:28px}
.tl::before{content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg-2);border:3px solid var(--accent)}
.tl.done::before{background:var(--accent)}
.tl.next::before{border-color:var(--warn)}
.tl__date{font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-3)}
.tl h3{margin:4px 0 6px}
.tl p{color:var(--fg-2);margin:0}
.status{display:inline-block;font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:999px;margin-left:8px;vertical-align:middle}
.status--done{background:var(--accent-soft);color:var(--accent-2)}
.status--next{background:#fff4d6;color:#8a6200}
.status--plan{background:var(--bg-3);color:var(--fg-3)}

/* ---------- faq ---------- */
details{border:1px solid var(--line);border-radius:12px;background:var(--bg-2);padding:0 20px;margin-bottom:10px}
summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--fg-2);padding-bottom:16px}

/* ---------- contact & form ---------- */
.contact{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
@media(max-width:900px){.contact{grid-template-columns:1fr}}
.contact__list{list-style:none;padding:0;margin:20px 0}
.contact__list li{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.contact__ico{width:40px;height:40px;flex:none;border-radius:10px;background:var(--accent-soft);color:var(--accent-2);display:grid;place-items:center;font-weight:800}
.contact__list small{display:block;color:var(--fg-3);font-size:.82rem}
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:.9rem;font-weight:600;color:var(--fg-2)}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg);font:inherit;font-size:1rem}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.form textarea{min-height:110px;resize:vertical}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.form__row{grid-template-columns:1fr}}
.form label.form__consent{font-size:.82rem;color:var(--fg-3);font-weight:400;display:flex;gap:8px;align-items:flex-start}
.form__consent input{width:auto;margin-top:3px}
.form__msg{padding:12px 14px;border-radius:10px;font-size:.92rem;display:none}
.form__msg.ok{display:block;background:var(--accent-soft);color:var(--accent-2)}
.form__msg.err{display:block;background:#fdecec;color:#b42323}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:40px 0 28px;color:var(--fg-3);font-size:.9rem}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:28px}
@media(max-width:700px){.footer__grid{grid-template-columns:1fr}}
.footer h4{color:var(--fg);font-size:.95rem;margin-bottom:10px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:6px}
.footer a{color:var(--fg-2)}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:20px;border-top:1px solid var(--line)}

/* ---------- misc ---------- */
.breadcrumbs{font-size:.85rem;color:var(--fg-3);margin:20px 0 0}
.breadcrumbs a{color:var(--fg-3)}
.prose{max-width:780px}
.prose h2{margin-top:2em}
.prose ul{padding-left:22px;color:var(--fg-2)}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.badge{font-size:.82rem;background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px;color:var(--fg-2)}
.cta-band{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;border-radius:24px;padding:48px 32px;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.85);max-width:640px;margin:0 auto 24px}
.cta-band .btn--primary{background:#fff;color:var(--accent-2)}
.reveal{opacity:0;transform:translateY(14px);transition:.5s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
.skip{position:absolute;left:-9999px;top:8px;background:var(--accent);color:#fff;padding:8px 12px;border-radius:8px;z-index:100}
.skip:focus{left:8px}