/* DOS Case Study — Shared Styles */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0a0a;--surface:#111;--card:#161616;--card-hover:#1c1c1c;--border:#1e1e1e;--border-light:#2a2a2a;--accent:#00e676;--accent-dim:rgba(0,230,118,.08);--accent-mid:rgba(0,230,118,.15);--accent-glow:rgba(0,230,118,.25);--accent2:#69f0ae;--text:#f0f0f0;--text-secondary:#999;--text-muted:#666;--mono:'JetBrains Mono',monospace;--sans:'Outfit',-apple-system,sans-serif;--radius:16px;--radius-sm:10px;--max-w:900px;--transition:.3s cubic-bezier(.4,0,.2,1)}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent-mid);color:var(--accent)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.container{max-width:var(--max-w);margin:0 auto;padding:0 32px}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}

.back-link{display:inline-flex;align-items:center;gap:8px;padding:16px 0;font-size:14px;font-weight:500;color:var(--text-muted);transition:color var(--transition)}
.back-link:hover{color:var(--accent)}

.case-hero{padding:100px 0 60px;position:relative;z-index:1}
.case-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(167,139,250,.08);border:1px solid rgba(167,139,250,.15);border-radius:100px;font-family:var(--mono);font-size:12px;color:#a78bfa;margin-bottom:20px}
.case-title{font-size:clamp(32px,5vw,56px);font-weight:900;line-height:1.1;letter-spacing:-2px;margin-bottom:20px}
.case-title .accent{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.case-subtitle{font-size:18px;color:var(--text-secondary);max-width:600px;line-height:1.7;margin-bottom:40px}

.case-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:60px}
.case-stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative}
.case-stat:hover{transform:translateY(-4px) scale(1.03);border-color:var(--accent);box-shadow:0 16px 40px rgba(0,0,0,.3),0 0 25px rgba(0,230,118,.12)}
.case-stat-num{font-family:var(--mono);font-size:32px;font-weight:800;color:var(--accent);line-height:1;text-shadow:0 0 30px rgba(0,230,118,.3)}
.case-stat-label{font-size:13px;color:var(--text-muted);margin-top:6px}

.case-section{padding:48px 0;position:relative;z-index:1}
.case-section h2{font-size:28px;font-weight:800;margin-bottom:20px;letter-spacing:-.5px;transition:transform .3s ease;display:inline-block}
.case-section h2:hover{transform:scale(1.02)}
.case-section p{font-size:16px;color:var(--text-secondary);line-height:1.8;margin-bottom:16px}
.case-section ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.case-section li{font-size:15px;color:var(--text-secondary);display:flex;align-items:flex-start;gap:10px;line-height:1.6;transition:all .3s ease}
.case-section li::before{content:'\2713';color:var(--accent);font-weight:700;min-width:16px;margin-top:2px}
.case-section li:hover{color:var(--text);transform:translateX(4px)}

.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-light),transparent)}

.case-placeholder{background:var(--card);border:2px dashed var(--border-light);border-radius:var(--radius);padding:80px 40px;text-align:center;margin:32px 0}
.case-placeholder p{color:var(--text-muted);font-size:15px}

.reviews-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.review-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s ease}
.review-card:hover{border-color:rgba(0,230,118,.3);box-shadow:0 16px 50px rgba(0,0,0,.3),0 0 30px rgba(0,230,118,.1);transform:translateY(-2px)}
.review-card video{width:100%;max-height:400px;object-fit:contain;display:block;background:#000}
.review-card img{width:100%;max-height:400px;object-fit:cover;object-position:top center;display:block}
.review-label{padding:12px 16px;font-size:13px;color:var(--text-muted)}
@media(max-width:768px){.reviews-grid{grid-template-columns:1fr}}

.case-cta{text-align:center;padding:64px 0;position:relative;z-index:1}
.case-cta h2{font-size:28px;font-weight:800;margin-bottom:12px}
.case-cta p{color:var(--text-secondary);margin-bottom:28px}
.btn-primary{display:inline-flex;align-items:center;gap:10px;padding:18px 36px;background:var(--accent);color:#000;font-weight:700;font-size:16px;border:none;border-radius:100px;cursor:pointer;transition:all var(--transition);box-shadow:0 0 40px var(--accent-dim)}
.btn-primary:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 0 60px var(--accent-glow),0 12px 40px rgba(0,230,118,.2)}

footer{padding:40px 0;border-top:1px solid var(--border);text-align:center;position:relative;z-index:1}
footer p{font-size:13px;color:var(--text-muted)}
.footer-links{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.footer-link{font-size:13px;color:var(--text-muted);transition:color .2s}
.footer-link:hover{color:var(--accent)}

.case-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:48px 0;position:relative;z-index:1}
.case-metric{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:all .3s ease;position:relative;overflow:hidden}
.case-metric:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.3),0 0 25px rgba(0,230,118,.15)}
.case-metric::after{content:'';position:absolute;bottom:0;left:10%;right:10%;height:1px;background:var(--accent);box-shadow:0 0 15px 5px rgba(0,230,118,.15);opacity:0;transition:opacity .3s;pointer-events:none;border-radius:50%}
.case-metric:hover::after{opacity:1}
.case-metric-num{font-family:var(--mono);font-size:36px;font-weight:800;color:var(--accent);line-height:1;margin-bottom:8px;text-shadow:0 0 30px rgba(0,230,118,.3)}
.case-metric-label{font-size:13px;color:var(--text-secondary);line-height:1.4}
@media(max-width:768px){.case-metrics{grid-template-columns:repeat(2,1fr)}}

/* Before / After comparison block */
.case-compare{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:stretch;margin:48px 0;position:relative;z-index:1}
.compare-col{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:all .3s ease}
.compare-col:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.3)}
.compare-col--before{border-top:3px solid #ff5252}
.compare-col--before:hover{border-color:#ff5252;box-shadow:0 16px 40px rgba(0,0,0,.3),0 0 25px rgba(255,82,82,.1)}
.compare-col--after{border-top:3px solid #00e676}
.compare-col--after:hover{border-color:#00e676;box-shadow:0 16px 40px rgba(0,0,0,.3),0 0 25px rgba(0,230,118,.12)}
.compare-col-title{font-size:18px;font-weight:700;margin-bottom:16px;letter-spacing:-.3px}
.compare-col-title--before{color:#ff5252}
.compare-col-title--after{color:#00e676}
.compare-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.compare-col li{font-size:14px;color:var(--text-secondary);display:flex;align-items:flex-start;gap:10px;line-height:1.6}
.compare-col--before li::before{content:'\2717';color:#ff5252;font-weight:700;min-width:16px;margin-top:1px}
.compare-col--after li::before{content:'\2713';color:#00e676;font-weight:700;min-width:16px;margin-top:1px}
.compare-arrow{display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--text-muted);font-weight:700;min-width:40px}

@media(max-width:768px){
.container{padding:0 20px}
.case-hero{padding:80px 0 40px}
.case-stats{grid-template-columns:1fr}
.case-stat-num{font-size:26px}
.case-compare{grid-template-columns:1fr;gap:16px}
.compare-arrow{transform:rotate(90deg);padding:4px 0}
footer{padding-bottom:72px}
}

/* Floating WhatsApp */
.wa-float{position:fixed;bottom:28px;right:28px;z-index:999;width:56px;height:56px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.4);transition:all .3s ease;text-decoration:none;animation:waPulse 2.5s infinite}
.wa-float:hover{transform:scale(1.1);box-shadow:0 6px 30px rgba(37,211,102,.6);animation:none}
.wa-float svg{width:28px;height:28px;fill:#fff}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}
.wa-tooltip{position:fixed;bottom:42px;right:92px;z-index:999;background:#161616;border:1px solid #1e1e1e;border-radius:10px;padding:8px 14px;font-size:13px;font-weight:500;color:#f0f0f0;white-space:nowrap;opacity:0;transform:translateX(10px);transition:all .3s ease;pointer-events:none;box-shadow:0 4px 20px rgba(0,0,0,.3)}
.wa-tooltip::after{content:'';position:absolute;right:-6px;top:50%;transform:translateY(-50%);border:6px solid transparent;border-left-color:#161616}
.wa-tooltip.show{opacity:1;transform:translateX(0)}
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:998;padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));background:rgba(10,10,10,.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid #1e1e1e}
.mobile-cta a{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px;background:#25d366;color:#fff;font-weight:700;font-size:15px;border-radius:100px;text-decoration:none;box-shadow:0 4px 20px rgba(37,211,102,.3)}
.mobile-cta svg{width:20px;height:20px;fill:#fff}
@media(max-width:768px){.mobile-cta{display:block}.wa-float{bottom:80px;right:16px;width:48px;height:48px}.wa-float svg{width:24px;height:24px}.wa-tooltip{bottom:94px;right:72px}}
@media(max-width:768px){.back-link{position:fixed;top:0;left:0;right:0;z-index:100;padding:12px 16px;background:rgba(10,10,10,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid #1e1e1e}}

/* Case logo in hero */
.case-logo{display:block;margin-bottom:16px;border-radius:8px;object-fit:contain;background:rgba(255,255,255,.05);padding:4px}

/* Centered section title (e.g. "Результаты в цифрах") */
.case-section h2.text-center{text-align:center;width:100%;margin-bottom:8px}

/* "Другие кейсы" grid */
.case-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.case-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .3s ease;text-decoration:none;color:inherit}
.case-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.3)}
.case-card-cat{font-family:var(--mono);font-size:11px;margin-bottom:8px}
.case-card-name{font-size:18px;font-weight:700;margin-bottom:6px}
.case-card-desc{font-size:13px;color:var(--text-muted)}

/* Category accent colors */
.cat-green{color:#00e676}.cat-blue{color:#38bdf8}.cat-sky{color:#60a5fa}.cat-yellow{color:#fbbf24}.cat-pink{color:#f472b6}.cat-purple{color:#a78bfa}.cat-red{color:#ef4444}

/* Footer brand & nav */
.footer-brand{font-family:var(--mono);color:var(--accent);font-size:15px;margin-bottom:8px}
.footer-nav{text-align:center;padding:16px 0 0;position:relative;z-index:1}
.footer-nav-links{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}
.footer-nav-link{font-size:14px;color:var(--text-muted);transition:color .3s}
.footer-nav-link:hover{color:var(--accent)}

/* Standalone review video (e.g. Personal Lawyer hero review) */
.review-video-wrap{max-width:400px;margin:0 auto;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#000}
.review-video-wrap video{width:100%;max-height:500px;display:block;object-fit:contain}

/* Video fallback text */
.video-fallback{padding:16px;color:var(--text-muted);font-size:14px}
.video-fallback a{color:var(--accent)}

/* Review embed (YouTube lite) */
.review-embed{max-width:400px;margin:0 auto;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--card)}
.review-embed-ratio{position:relative;width:100%;padding-top:177%;background:#000}
.review-embed-ratio>*{position:absolute;inset:0;width:100%;height:100%}
.review-embed-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1;pointer-events:none}
.review-embed-caption{padding:12px 16px;border-top:1px solid var(--border)}
.review-embed-name{font-weight:600;font-size:14px}
.review-embed-quote{font-size:13px;color:var(--text-muted)}

/* Lite YouTube embed (used in case-kazgeotech) */
.lite-yt-cover{position:absolute;top:0;left:0;width:100%;height:100%;cursor:pointer;background:#000 center/cover no-repeat}
.review-media--yt iframe,.review-media--yt lite-yt{width:100%;height:100%;flex:1;border:0;position:relative}
.review-media--yt .lite-yt-cover{background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center}
.abs-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}

body{animation:pageIn .6s ease both}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
.skip-link{position:absolute;top:-100px;left:16px;z-index:9999;padding:12px 24px;background:#00e676;color:#000;font-weight:700;font-size:14px;border-radius:100px;text-decoration:none;transition:top .2s}
.skip-link:focus{top:16px}
*:focus-visible{outline:2px solid #00e676;outline-offset:2px;border-radius:4px}