/* NutritionAI — единый стиль сайта. */
:root{
--bg:#080908;--bg-deep:#050605;--surface:#111311;--surface-2:#181a18;
--text:#f4f6f1;--muted:#a7ada3;
--line:rgba(255,255,255,.11);--line-2:rgba(255,255,255,.18);
--lime:#c8ff5a;--lime-2:#a8d94e;--amber:#bd823b;
--r-sm:12px;--r-md:18px;--r-lg:28px;
--shadow:0 24px 80px rgba(0,0,0,.38);
--w:1200px;--pad:44px;
--font:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.06}
p{margin:0}ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;left:16px;top:12px;z-index:999;background:var(--lime);color:#0b1200;padding:10px 16px;border-radius:10px;font-weight:700;transform:translateY(-160%);transition:transform .2s}
.skip:focus{transform:none}

/* фон */
.atmos{position:fixed;inset:0;z-index:-1;pointer-events:none;background:var(--bg)}
.atmos::before{content:"";position:absolute;inset:0;background:
radial-gradient(52% 46% at 74% 12%,rgba(189,130,59,.32),transparent 68%),
radial-gradient(40% 36% at 22% 4%,rgba(124,129,47,.2),transparent 70%)}
.atmos::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 30%,transparent 40%,rgba(0,0,0,.55) 100%)}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 24px;border-radius:14px;border:1px solid transparent;font-size:16px;font-weight:600;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--lime);color:#0c1400;box-shadow:0 12px 30px rgba(200,255,90,.16)}
.btn--primary:hover{background:#d6ff77}
.btn--ghost{background:rgba(255,255,255,.04);border-color:var(--line-2);color:var(--text)}
.btn--ghost:hover{background:rgba(255,255,255,.08)}
.btn--sm{min-height:42px;padding:0 16px;font-size:15px;border-radius:12px}
.btn .i{width:17px;height:17px;flex:0 0 auto}

/* шапка */
.header{position:sticky;top:0;z-index:100;padding-top:14px}
.header-bar{display:flex;align-items:center;gap:18px;padding:10px 12px 10px 20px;background:rgba(17,19,17,.78);border:1px solid var(--line);border-radius:18px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:-.03em}
.brand i{width:28px;height:28px;display:grid;place-items:center;background:transparent;border:none;border-radius:50%;color:var(--lime);font-style:normal;overflow:hidden}
.brand i svg{width:100%;height:100%;display:block}
.brand span{color:var(--lime)}
.nav{display:flex;gap:2px;margin-left:8px}
.nav a{padding:9px 13px;border-radius:10px;color:var(--muted);font-size:15px;font-weight:500;transition:color .2s,background .2s}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav a[aria-current="page"]{color:var(--lime)}
.header-sp{flex:1}
.header-cta{display:flex;gap:10px;align-items:center}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:rgba(255,255,255,.04);color:var(--text);align-items:center;justify-content:center}
.burger svg{width:22px;height:22px}
.mmenu{position:fixed;inset:0;z-index:200;background:var(--bg-deep);padding:20px;display:none;flex-direction:column;gap:4px;overflow-y:auto}
.mmenu.open{display:flex}
.mmenu-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.mmenu a:not(.btn){padding:15px 4px;font-size:19px;font-weight:600;border-bottom:1px solid var(--line)}
.mmenu .btn{margin-top:18px}

/* секции */
.section{padding:96px 0}
.section--tight{padding:64px 0}
.shead{max-width:720px;margin:0 auto 52px;text-align:center}
.shead--left{margin-left:0;text-align:left}
h2{font-size:clamp(30px,3.6vw,48px)}
.shead p{margin-top:16px;color:var(--muted);font-size:18px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;padding:7px 14px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--lime-2)}

/* герой главной */
.hero{padding:56px 0 40px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.hero h1{font-size:clamp(42px,5vw,74px);line-height:.97;letter-spacing:-.034em}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{margin:22px 0 30px;max-width:480px;font-size:18px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{position:relative;display:grid;place-items:center;min-height:520px}
.hero-photo{width:min(100%,660px);height:auto;border-radius:24px;
-webkit-mask-image:radial-gradient(135% 120% at 55% 42%,#000 55%,transparent 97%);
mask-image:radial-gradient(135% 120% at 55% 42%,#000 55%,transparent 97%)}
.hero-screen{position:absolute;left:57.1%;top:13%;width:21.5%;height:67.4%;border-radius:9%/4.5%;overflow:hidden;background:#0a0c09;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.ps{padding:9% 8% 7%;height:100%;display:flex;flex-direction:column}
.ps-bar{display:flex;justify-content:space-between;font-size:7px;color:var(--muted);margin-bottom:8%}
.ps-progress{height:3px;border-radius:99px;background:rgba(255,255,255,.09);margin-bottom:8%}
.ps-progress i{display:block;height:100%;width:40%;background:var(--lime);border-radius:99px}
.ps-q{font-size:6.5px;color:var(--lime-2);font-weight:600}
.ps h3{font-size:9px;margin:4% 0 8%}
.ps-opt{display:flex;align-items:center;gap:5px;padding:6% 7%;border-radius:7px;border:1px solid var(--line);font-size:6.8px;margin-bottom:4%;white-space:nowrap;overflow:hidden}
.ps-opt i{width:5px;height:5px;border-radius:50%;border:1.2px solid var(--line-2);flex:0 0 auto}
.ps-opt.on{border-color:var(--lime);background:rgba(200,255,90,.08)}
.ps-opt.on i{background:var(--lime);border-color:var(--lime)}
.ps-btn{margin-top:auto;padding:6% 0;border-radius:7px;background:var(--lime);color:#0c1400;font-size:7px;font-weight:700;text-align:center}
.chip-card{position:absolute;display:flex;gap:9px;align-items:center;padding:10px 12px;border-radius:14px;background:rgba(24,26,24,.85);border:1px solid var(--line);backdrop-filter:blur(8px);box-shadow:var(--shadow)}
.chip-card img{width:30px;height:44px;object-fit:contain}
.chip-card b{display:block;font-size:12px;line-height:1.25}
.chip-card small{font-size:10.5px;color:var(--muted)}
.chip-card .rate{color:var(--lime);font-weight:700}
.chip-tl{top:9%;left:2%}
.chip-bl{bottom:14%;left:-2%}
.ring-badge{position:absolute;right:1%;bottom:6%;display:flex;gap:10px;align-items:center;padding:10px 14px 10px 10px;border-radius:15px;background:rgba(20,22,20,.92);border:1px solid rgba(200,255,90,.4);box-shadow:var(--shadow)}
.ring-badge svg{width:46px;height:46px}
.ring-badge b{font-size:15px;color:var(--lime)}
.ring-badge small{display:block;font-size:10.5px;color:var(--muted);max-width:130px}
@media (prefers-reduced-motion:no-preference){
.chip-card{animation:floaty 6.5s ease-in-out infinite}
.chip-bl{animation-delay:-3s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
}

/* чипы аудитории */
.aud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:8px 0 4px}
.aud span{padding:10px 18px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03);color:var(--muted);font-size:14.5px}

/* карточки и сетки */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{padding:24px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line)}
.card .ic{width:40px;height:40px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:rgba(200,255,90,.1);border:1px solid rgba(200,255,90,.28);color:var(--lime);margin:0 0 14px;line-height:0;flex-shrink:0}
.card .ic svg{width:19px;height:19px;max-width:none;display:block;flex:0 0 auto}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px}
a.card{transition:transform .25s,border-color .25s;display:block}
a.card:hover{transform:translateY(-4px);border-color:var(--line-2)}
a.card .go{margin-top:14px;display:inline-flex;align-items:center;gap:7px;color:var(--lime);font-size:14px;font-weight:600}

/* шаги */
.steps{counter-reset:st;display:grid;gap:10px}
.step{display:flex;gap:18px;padding:20px 22px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line)}
.step::before{counter-increment:st;content:counter(st,decimal-leading-zero);flex:0 0 auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;font-weight:700;font-size:14px;background:rgba(200,255,90,.1);border:1px solid rgba(200,255,90,.3);color:var(--lime)}
.step h3{font-size:17.5px;margin-bottom:5px}
.step p{color:var(--muted);font-size:14.5px}

/* списки */
.ok-list,.no-list{display:grid;gap:11px}
.ok-list li,.no-list li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px}
.ok-list .i,.no-list .i{width:21px;height:21px;flex:0 0 auto;margin-top:2px;border-radius:50%;display:grid;place-items:center}
.ok-list .i{color:#0c1400;background:var(--lime)}
.no-list .i{color:#e0b4af;background:rgba(224,90,80,.16)}
.ok-list .i svg,.no-list .i svg{width:12px;height:12px}

/* код */
.code{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--bg-deep)}
.code-top{display:flex;gap:6px;padding:10px 12px;border-bottom:1px solid var(--line)}
.code-top i{width:8px;height:8px;border-radius:50%;background:var(--surface-2)}
.code pre{margin:0;padding:16px;font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:12px;line-height:1.75;color:#cdd6c4;overflow-x:auto}
.code .k{color:var(--lime)}.code .s{color:var(--amber)}.code .c{color:#5f6b52}

/* кольца-показатели */
.rings{display:flex;gap:26px;justify-content:center;flex-wrap:wrap}
.ring{text-align:center;padding:26px 30px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);min-width:200px}
.ring svg{width:110px;height:110px;margin:0 auto 12px}
.ring b{display:block;font-size:16px}
.ring small{color:var(--muted);font-size:13px}
.tag-demo{display:inline-block;margin-bottom:18px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--line);padding:5px 11px;border-radius:999px}

/* тарифы */
.prices{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.price{padding:24px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column}
.price--hot{border-color:rgba(200,255,90,.5)}
.price h3{font-size:19px}
.price .for{margin:6px 0 14px;color:var(--muted);font-size:13.5px;min-height:40px}
.price ul{display:grid;gap:8px;margin-bottom:18px}
.price li{display:flex;gap:9px;font-size:14px;color:var(--muted)}
.price li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);margin-top:7px;flex:0 0 auto}
.price .btn{margin-top:auto}

/* вопросы-ответы */
.faq{display:grid;gap:10px;max-width:820px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);overflow:hidden}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 22px;font-weight:600;font-size:16.5px;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--lime);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 22px 20px;color:var(--muted);font-size:15px}

/* герой внутренних страниц */
.phero{padding:72px 0 20px;text-align:left}
.phero h1{font-size:clamp(34px,4.4vw,58px);letter-spacing:-.03em;max-width:820px}
.phero .lead{margin-top:18px;max-width:640px;color:var(--muted);font-size:18px}
.crumbs{display:flex;gap:8px;margin-bottom:22px;font-size:13.5px;color:var(--muted)}
.crumbs a:hover{color:var(--lime)}

/* текстовые страницы */
.prose{max-width:780px}
.prose h2{font-size:24px;margin:36px 0 12px}
.prose h3{font-size:18px;margin:24px 0 8px}
.prose p{margin:0 0 14px;color:#d6dbd2;font-size:15.5px}
.prose ul,.prose ol{margin:0 0 14px;padding-left:22px;display:grid;gap:6px;color:#d6dbd2;font-size:15.5px}
.prose ul{list-style:disc}.prose ol{list-style:decimal}
.prose a{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--text)}
.note{display:flex;gap:12px;padding:16px;border-radius:14px;border:1px solid rgba(189,130,59,.4);background:rgba(189,130,59,.1);color:#e6d9c4;font-size:14px;margin:22px 0}
.note svg{width:20px;height:20px;flex:0 0 auto;color:var(--amber);margin-top:1px}

/* демо-рамка */
.demo-frame{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--bg-deep);box-shadow:var(--shadow)}
.demo-frame iframe{display:block;width:100%;height:640px;border:0;background:#0b0d0a}

/* финальный призыв */
.cta{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);padding:52px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 130% at 10% 20%,rgba(200,255,90,.15),transparent 60%),radial-gradient(50% 120% at 92% 88%,rgba(189,130,59,.2),transparent 60%)}
.cta>*{position:relative}
.cta h2{font-size:clamp(26px,3vw,42px);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* подвал */
.footer{border-top:1px solid var(--line);padding:64px 0 36px;margin-top:56px}
.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1fr;gap:26px}
.fbrand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:260px}
.fcol h4{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;font-weight:600}
.fcol a{display:block;padding:5px 0;color:var(--muted);font-size:14px}
.fcol a:hover{color:var(--lime)}
.fbot{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}

/* появление */
.rv{opacity:0;transform:translateY(22px);transition:opacity .6s,transform .6s}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* адаптив */
@media (max-width:1060px){
:root{--pad:28px}
.header-cta .btn,.header-cta .login{display:none}
.burger{display:inline-flex}
.hero-grid{grid-template-columns:1fr}
.hero-visual{min-height:0;margin-top:8px}
.grid-3{grid-template-columns:repeat(2,1fr)}
.prices{grid-template-columns:repeat(2,1fr)}
.fgrid{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:680px){
:root{--pad:18px}
.section{padding:68px 0}
.grid-2,.grid-3{grid-template-columns:1fr}
.prices{grid-template-columns:1fr}
.fgrid{grid-template-columns:1fr 1fr}
.cta{padding:34px 24px}
.chip-tl{display:none}
.chip-bl{left:0;bottom:6%}
.ring-badge{right:0;bottom:0}
.demo-frame iframe{height:520px}
.hero-photo{border-radius:16px}
}
.hero-shot{position:relative;width:min(100%,660px)}
.hero-shot .hero-photo{width:100%}