/* ==========================================================================
   360 Digital — общая дизайн-система (подключается на всех страницах)
   Палитра/типографика/каркас по стиль.md. Резиновый адаптив.
   ========================================================================== */
:root{
  --yellow:#FFC24B; --yellow-dark:#F5A623; --yellow-pale:#FFF6E0;
  --dark:#0F0F12; --graphite:#1A1A1F; --graphite-2:#25252C;
  --text:#1A1A1F; --text-muted:#6B6B75; --text-light:#94949E;
  --border:#E8E8EC; --border-dark:rgba(255,255,255,.08);
  --white:#fff; --bg:#F7F7F4; --bg-warm:#FAF8F3;
  --green:#16A34A; --red:#DC2626; --ease:cubic-bezier(0.16,1,0.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Manrope',-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text);background:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:'ss01' on}
::selection{background:var(--yellow);color:var(--dark)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
.container{max-width:1240px;margin:0 auto;padding:0 32px}

/* reveal */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.reveal-stagger>*{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal-stagger.visible>*{opacity:1;transform:none}
.reveal-stagger.visible>*:nth-child(1){transition-delay:.05s}.reveal-stagger.visible>*:nth-child(2){transition-delay:.11s}
.reveal-stagger.visible>*:nth-child(3){transition-delay:.17s}.reveal-stagger.visible>*:nth-child(4){transition-delay:.23s}
.reveal-stagger.visible>*:nth-child(5){transition-delay:.29s}.reveal-stagger.visible>*:nth-child(6){transition-delay:.35s}
.reveal-stagger.visible>*:nth-child(7){transition-delay:.41s}.reveal-stagger.visible>*:nth-child(8){transition-delay:.47s}
@media (prefers-reduced-motion:reduce){.reveal,.reveal-stagger>*{opacity:1!important;transform:none!important}}

/* buttons */
.btn-primary{background:var(--dark);color:var(--white);padding:17px 30px;border-radius:100px;font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:10px;transition:all .25s var(--ease)}
.btn-primary:hover{background:var(--yellow);color:var(--dark);transform:translateY(-2px);box-shadow:0 12px 34px rgba(255,194,75,.4)}
.btn-ghost{background:transparent;color:var(--dark);padding:17px 30px;border-radius:100px;font-weight:700;font-size:15px;border:1.5px solid var(--dark);display:inline-flex;align-items:center;gap:10px;transition:all .25s var(--ease)}
.btn-ghost:hover{background:var(--dark);color:var(--white)}
.btn-on-dark{background:var(--yellow);color:var(--dark)}
.btn-on-dark:hover{background:var(--white);color:var(--dark);transform:translateY(-2px);box-shadow:0 12px 34px rgba(255,194,75,.25)}

/* section headers */
section{position:relative}
.section-label{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--yellow-dark);margin-bottom:16px}
.section-title{font-size:clamp(30px,4.4vw,44px);font-weight:800;line-height:1.1;letter-spacing:-.8px;color:var(--dark)}
.section-sub{font-size:18px;line-height:1.55;color:var(--text-muted);margin-top:18px;max-width:640px}
.section-center{text-align:center;max-width:760px;margin:0 auto 50px}
.section-center .section-sub{margin-left:auto;margin-right:auto}
.yt{background:var(--yellow);color:var(--dark);font-weight:700;padding:0 4px;border-radius:5px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.on-dark .section-title{color:#fff}.on-dark .section-sub{color:rgba(255,255,255,.62)}

/* dark section atmosphere */
.on-dark{background:var(--dark);color:#fff;overflow:hidden}
.map-grid-bg{position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:54px 54px;-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 78%);mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 78%)}
.glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none}
.glow-yellow{background:rgba(255,194,75,.16)}

/* breadcrumb */
.crumb{padding:92px 0 0}
.crumb a{font-size:13.5px;color:var(--text-muted);font-weight:600}
.crumb a:hover{color:var(--yellow-dark)}
.crumb span{font-size:13.5px;color:var(--text-light)}

/* ───────── NAV (общая шапка) ───────── */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 2px 24px rgba(0,0,0,.06)}
.nav-inner{max-width:1320px;margin:0 auto;padding:0 32px;height:70px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;color:var(--dark);letter-spacing:-.5px;white-space:nowrap}
.logo-mark{width:38px;height:38px;background:var(--yellow);border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:var(--dark)}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links>a,.nav-dd-toggle{font-size:14px;font-weight:600;color:var(--text);transition:color .2s;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.nav-links>a:hover,.nav-links>a.active,.nav-dd:hover .nav-dd-toggle{color:var(--yellow-dark)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-phone{font-weight:700;font-size:14px;color:var(--dark);white-space:nowrap}
.nav-cta{background:var(--dark);color:#fff;padding:11px 20px;border-radius:100px;font-weight:600;font-size:14px;transition:all .25s var(--ease);white-space:nowrap}
.nav-cta:hover{background:var(--yellow);color:var(--dark);transform:translateY(-1px)}
.burger{display:none;width:42px;height:42px;align-items:center;justify-content:center;background:var(--bg);border-radius:11px}
.burger span,.burger span::before,.burger span::after{content:'';display:block;width:18px;height:2px;background:var(--dark);position:relative;transition:.3s}
.burger span::before{position:absolute;top:-6px}.burger span::after{position:absolute;top:6px}

/* nav dropdown */
.nav-dd{position:relative}
.nav-dd-toggle{background:none}
.nav-dd-toggle svg{width:14px;height:14px;transition:transform .25s;color:var(--text-light)}
.nav-dd:hover .nav-dd-toggle svg{transform:rotate(180deg)}
.nav-dd-menu{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(-8px);min-width:240px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 22px 54px rgba(0,0,0,.13);padding:10px;opacity:0;visibility:hidden;transition:.22s var(--ease);display:grid;gap:2px}
.nav-dd:hover .nav-dd-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-dd-menu::before{content:'';position:absolute;top:-14px;left:0;right:0;height:14px}
.nav-dd-menu a{font-size:14px;font-weight:600;color:var(--text);padding:9px 14px;border-radius:10px;transition:background .15s,color .15s}
.nav-dd-menu a:hover{background:var(--bg);color:var(--yellow-dark)}

/* mobile menu */
.mobile-menu{position:fixed;top:0;right:0;width:330px;max-width:86vw;height:100vh;background:#fff;z-index:2000;padding:84px 26px 32px;transform:translateX(100%);transition:transform .35s var(--ease);box-shadow:-20px 0 60px rgba(0,0,0,.1);overflow-y:auto}
.mobile-menu.open{transform:none}
.mobile-menu a{display:block;font-size:16px;font-weight:600;color:var(--dark);padding:13px 0;border-bottom:1px solid var(--border)}
.mobile-menu .mm-group-title{font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--text-light);padding:16px 0 6px}
.mobile-menu .mm-sub a{padding:10px 0 10px 14px;font-size:15px;font-weight:500;color:var(--text-muted);border-bottom:1px dashed var(--border)}
.mm-close{position:absolute;top:24px;right:22px;font-size:28px;color:var(--dark)}
.mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1500;opacity:0;visibility:hidden;transition:.3s}
.mobile-overlay.open{opacity:1;visibility:visible}

/* scroll-top */
.scroll-top{position:fixed;bottom:28px;right:28px;width:48px;height:48px;border-radius:50%;background:var(--dark);color:#fff;font-size:20px;z-index:900;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s var(--ease);box-shadow:0 8px 24px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center}
.scroll-top.visible{opacity:1;visibility:visible;transform:none}
.scroll-top:hover{background:var(--yellow);color:var(--dark)}

/* ───────── FOOTER (общий подвал) ───────── */
.footer{background:var(--dark);color:rgba(255,255,255,.6);padding:56px 0 30px}
.footer-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:30px;padding-bottom:36px;border-bottom:1px solid var(--border-dark)}
.footer .logo{color:#fff}
.footer-brand{max-width:300px}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.5}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.6);margin-bottom:9px;transition:color .2s}
.footer-col a:hover{color:var(--yellow)}
.footer-bottom{padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px}

/* ───────── CASES BLOCK (тёмные карточки, как на странице Кейсы) ───────── */
.cases-block{padding:96px 0}
.cases-allrow{display:flex;justify-content:flex-end;margin-top:28px}
.kase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.kase{position:relative;isolation:isolate;border-radius:22px;overflow:hidden;padding:26px 24px;min-height:360px;display:flex;flex-direction:column;cursor:pointer;background:#15151a;color:#fff;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.kase:hover{transform:translateY(-6px);box-shadow:0 26px 60px rgba(0,0,0,.22)}
.kase-bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;opacity:.5}
.kase::after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(158deg,rgba(15,15,18,.80) 0%,rgba(15,15,18,.95) 78%)}
.kase-grid2{position:absolute;inset:0;z-index:-1;opacity:.32;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:30px 30px;-webkit-mask-image:radial-gradient(ellipse 90% 70% at 70% 10%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 90% 70% at 70% 10%,#000 20%,transparent 75%)}
.kase-cat{align-self:flex-start;background:rgba(255,194,75,.16);border:1px solid rgba(255,194,75,.32);color:var(--yellow);font-size:12px;font-weight:700;padding:5px 12px;border-radius:100px}
.kase h3{font-size:19px;font-weight:800;line-height:1.28;margin-top:14px;color:#fff}
.kase-desc{font-size:13px;line-height:1.5;color:rgba(255,255,255,.62);margin-top:9px}
.kase-panel{margin-top:auto;background:#fff;border-radius:15px;padding:14px 16px;display:flex;align-items:center;gap:14px}
.kase-chart{display:flex;align-items:flex-end;gap:4px;height:48px;flex-shrink:0}
.kase-chart i{width:8px;background:var(--yellow);border-radius:2px 2px 0 0;opacity:.55}
.kase-chart i:nth-child(n+4){opacity:.8}.kase-chart i:last-child{opacity:1}
.kase-figs{display:flex;gap:16px;flex-wrap:wrap}
.kase-fig b{font-size:21px;font-weight:800;color:var(--green);display:block;line-height:1;letter-spacing:-.5px}
.kase-fig.ph b{color:var(--text-light)}
.kase-fig span{font-size:10.5px;color:var(--text-muted);margin-top:5px;display:block;line-height:1.25;max-width:96px}
.kase-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.kase-tags span{font-size:12px;font-weight:600;color:rgba(255,255,255,.5)}
.kase-soon{position:absolute;top:16px;right:16px;z-index:3;background:var(--yellow);color:var(--dark);font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.6px;padding:5px 10px;border-radius:100px}

/* ───────── RESPONSIVE ───────── */
@media (max-width:1024px){.nav-links{gap:18px}}
@media (max-width:980px){
  .nav-links,.nav-phone{display:none}
  .burger{display:flex}
  .kase-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .container{padding:0 20px}
  .kase-grid{grid-template-columns:1fr}
  .cases-allrow{justify-content:stretch}
  .cases-allrow .btn-primary{width:100%;justify-content:center}
}

/* instant-yellow-hover 29.06 */
.benefit:hover,.svc:hover,.scn:hover,.niche-card:hover,.seo-factor:hover,.bs-card:hover,.case2:hover,.case:hover,.case-card:hover,.acard:hover,.plat-card:hover,.omni-plat:hover,.ptl-card:hover,.rating-card:hover,.stage:hover,.sphere:hover,.flow-plate:hover,.radial-card:hover,.kase:hover,.quiz-opt:hover,.compare-row:hover,.fmt:hover{outline:2px solid var(--yellow);outline-offset:-2px;border-color:var(--yellow)!important;}