:root{--primary:#0f766e;--primary-dark:#0d5e57;--secondary:#06b6d4;--accent:#f97316;--dark:#0f172a;--gray:#64748b;}
*{margin:0;padding:0;box-sizing:border-box;}body{font-family:'Inter','Segoe UI',sans-serif;color:var(--dark);overflow-x:hidden;background:#fff;}html{scroll-behavior:smooth;}
.loader{position:fixed;top:0;left:0;width:100%;height:100%;background:#fff;display:flex;align-items:center;justify-content:center;z-index:9999;transition:opacity 0.5s ease;}.loader.hidden{opacity:0;pointer-events:none;}
.metro-loader{display:flex;gap:6px;align-items:flex-end;}.metro-loader-bar{width:4px;background:var(--primary);animation:loaderPulse 1.2s ease-in-out infinite;}.metro-loader-bar:nth-child(1){height:32px;}.metro-loader-bar:nth-child(2){height:48px;animation-delay:.15s;background:var(--secondary);}.metro-loader-bar:nth-child(3){height:40px;animation-delay:.3s;background:var(--accent);}.metro-loader-bar:nth-child(4){height:56px;animation-delay:.45s;}.metro-loader-bar:nth-child(5){height:36px;animation-delay:.6s;}
@keyframes loaderPulse{0%,100%{transform:scaleY(0.4);opacity:0.4;}50%{transform:scaleY(1);opacity:1;}}
.breadcrumbs{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:rgba(255,255,255,.5);}.breadcrumbs a{color:rgba(255,255,255,.5);text-decoration:none;}.breadcrumbs a:hover{color:#5eead4;}.breadcrumb-current{color:#fff;font-weight:500;}
.hero-service{background:#0f172a;position:relative;overflow:hidden;padding:7rem 0 5rem;}
.hero-service::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(15,118,110,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(15,118,110,.08) 1px,transparent 1px);background-size:60px 60px;}
.hero-glow{position:absolute;border-radius:50%;filter:blur(100px);pointer-events:none;}
.service-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:rgba(15,118,110,.2);border:1px solid rgba(15,118,110,.4);font-size:.75rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#5eead4;margin-bottom:1.5rem;}
.status-dot{width:6px;height:6px;border-radius:50%;background:#5eead4;animation:blink 2s ease-in-out infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.3;}}
.new-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background:#f97316;color:#fff;font-size:.65rem;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;margin-left:8px;}
.btn-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;background:var(--primary);color:#fff;font-weight:600;font-size:.8125rem;letter-spacing:.5px;text-decoration:none;text-transform:uppercase;transition:all .25s ease;border:none;cursor:pointer;}.btn-cta:hover{background:var(--primary-dark);box-shadow:0 8px 24px rgba(15,118,110,.35);transform:translateY(-2px);}
.btn-cta-ghost{background:transparent;border:2px solid rgba(255,255,255,.7);color:#fff;}.btn-cta-ghost:hover{background:rgba(255,255,255,.15);}
/* Hero: сравнение «до / после» — ползунки с заливкой и бегунком */
.hero-speed-compare{width:100%;}
.speed-compare-card{padding:1.5rem 1.75rem;background:#fff;border:1px solid #e5e7eb;box-shadow:0 12px 40px rgba(0,0,0,.12);}
.speed-compare-card--after{border-color:rgba(15,118,110,.45);box-shadow:0 12px 40px rgba(15,118,110,.18);}
.speed-compare-header{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px solid #f1f5f9;}
.speed-compare-tag{font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;}
.speed-compare-tag--before{color:#b91c1c;}
.speed-compare-tag--after{color:#0f766e;}
.speed-compare-time{font-size:2.25rem;font-weight:300;line-height:1;letter-spacing:-1px;}
.speed-compare-time small{font-size:.45em;font-weight:500;opacity:.85;}
.speed-compare-time--before{color:#ef4444;}
.speed-compare-time--after{color:#0f766e;}
.speed-slider-row{margin-bottom:1.1rem;}
.speed-slider-row:last-child{margin-bottom:0;}
.speed-slider-row__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem;}
.speed-slider-label{font-size:.75rem;font-weight:600;color:#64748b;}
.speed-slider-value{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;}
.speed-slider-value--bad{color:#dc2626;}
.speed-slider-value--good{color:#0f766e;}
.speed-slider{position:relative;}
.speed-slider__track{position:relative;height:14px;background:#e2e8f0;border-radius:999px;overflow:visible;box-shadow:inset 0 1px 3px rgba(15,23,42,.12);}
.speed-slider__track--load{height:16px;background:linear-gradient(90deg,#f1f5f9 0%,#e2e8f0 100%);}
.speed-slider__track--score{height:12px;}
.speed-slider__fill{position:absolute;left:0;top:0;height:100%;width:0;border-radius:999px;transition:width 1.35s cubic-bezier(.16,1,.3,1);}
.hero-speed-compare.is-ready .speed-slider__fill{width:calc(var(--fill,0) * 1%);}
.speed-slider__fill--slow{background:linear-gradient(90deg,#ef4444 0%,#f97316 100%);box-shadow:0 0 12px rgba(239,68,68,.35);}
.speed-slider__fill--fast{background:linear-gradient(90deg,#0f766e 0%,#06b6d4 100%);box-shadow:0 0 12px rgba(15,118,110,.35);}
.speed-slider__fill--score-bad{background:linear-gradient(90deg,#fca5a5,#ef4444);}
.speed-slider__fill--score-good{background:linear-gradient(90deg,#5eead4,#0f766e);}
.speed-slider__thumb{position:absolute;top:50%;left:0;width:20px;height:20px;margin-top:-10px;margin-left:-10px;border-radius:50%;border:3px solid #fff;box-shadow:0 2px 10px rgba(15,23,42,.25);opacity:0;transition:left 1.35s cubic-bezier(.16,1,.3,1),opacity .4s ease .2s;}
.hero-speed-compare.is-ready .speed-slider__thumb{left:calc(var(--fill,0) * 1%);opacity:1;}
.speed-slider__thumb--slow{background:#ef4444;}
.speed-slider__thumb--fast{background:#0f766e;}
.speed-slider__scale{display:flex;justify-content:space-between;margin-top:.35rem;font-size:.65rem;font-weight:600;color:#94a3b8;letter-spacing:.02em;}
.speed-meter{display:flex;flex-direction:column;align-items:center;padding:2rem;background:#fff;border:1px solid #e5e7eb;text-align:center;transition:all .3s ease;}
.speed-meter:hover{border-color:var(--primary);box-shadow:0 8px 32px rgba(15,118,110,.1);}
.speed-bar-wrap{width:100%;background:#e5e7eb;height:8px;margin-top:1rem;overflow:hidden;}
.speed-bar{height:8px;background:linear-gradient(90deg,#ef4444,var(--primary));transform:scaleX(0);transform-origin:left;transition:transform 1.2s cubic-bezier(.16,1,.3,1);}
.speed-bar.animated{transform:scaleX(1);}
.audit-item{display:flex;gap:1rem;padding:1.25rem;border-bottom:1px solid #f1f5f9;transition:all .3s ease;}
.audit-item:last-child{border-bottom:none;}
.audit-item:hover{background:#f0fdfa;border-left:3px solid var(--primary);}
.section-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.75rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--primary);margin-bottom:1rem;}.section-eyebrow::before{content:'';width:24px;height:3px;background:var(--primary);}
.section-eyebrow.center{justify-content:center;}.section-eyebrow.center::before{display:none;}.section-eyebrow.center::after{content:'';width:24px;height:3px;background:var(--primary);order:-1;}
.section-title{font-size:clamp(1.875rem,3.5vw,2.75rem);font-weight:300;line-height:1.2;color:var(--dark);margin-bottom:1.25rem;}.section-title strong{font-weight:700;}
.faq-item{border:1px solid #e5e7eb;background:#fff;overflow:hidden;}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 1.5rem;background:none;border:none;cursor:pointer;text-align:left;font-size:.9375rem;font-weight:600;color:var(--dark);transition:all .2s ease;font-family:inherit;}
.faq-q:hover{background:#f0fdfa;}.faq-q.open{color:var(--primary);}.faq-q.open .faq-icon{transform:rotate(45deg);}
.faq-icon{transition:transform .3s ease;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.16,1,.3,1);}
.faq-a p{padding:0 1.5rem 1.25rem;font-size:.875rem;color:#64748b;line-height:1.7;}
.cta-section{background:var(--dark);position:relative;overflow:hidden;}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 60% 50%,rgba(15,118,110,.3) 0%,transparent 70%);}
.contact-form-card{background:#fff;padding:2.5rem;border:1px solid #e5e7eb;}
.form-label{display:block;font-size:.8125rem;font-weight:600;color:#374151;margin-bottom:.5rem;}
.form-input{width:100%;padding:10px 14px;border:1.5px solid #e5e7eb;background:#f9fafb;font-size:.875rem;color:var(--dark);outline:none;transition:all .2s ease;font-family:inherit;}
.form-input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,118,110,.1);}
textarea.form-input{resize:vertical;}
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1);}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.1s;}.reveal-delay-2{transition-delay:.2s;}.reveal-delay-3{transition-delay:.3s;}
.scroll-top{position:fixed;bottom:2rem;right:2rem;width:52px;height:52px;background:var(--primary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s ease;z-index:999;}
.scroll-top.visible{opacity:1;visibility:visible;}.scroll-top:hover{background:var(--primary-dark);}
@media(max-width:768px){.hero-service{padding:5rem 0 3rem;}}

/* CHECKLIST — галочка рядом с текстом */
.checklist-item{display:flex;align-items:flex-start;gap:.75rem;padding:.5rem 0;}
.check-icon{width:22px;height:22px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:#f0fdfa;margin-top:1px;}