:root{
  --blue:#0a66c2;
  --blue-dark:#064a8f;
  --blue-light:#e8f1fb;
  --graphite:#1f2937;
  --graphite-2:#374151;
  --gray:#6b7280;
  --light:#f5f7fa;
  --white:#ffffff;
  --border:#e5e7eb;
  --shadow:0 10px 30px -10px rgba(10,102,194,.25);
  --radius:14px;
  --transition:.3s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;color:var(--graphite);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--blue-dark)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:90px 0}
.section-title{font-size:clamp(28px,4vw,42px);font-weight:800;color:var(--graphite);margin-bottom:14px;text-align:center;letter-spacing:-.02em}
.section-sub{text-align:center;color:var(--gray);max-width:680px;margin:0 auto 50px;font-size:17px}

/* Header */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;color:var(--graphite)}
.logo img{width:42px;height:42px;object-fit:contain}
.logo span small{display:block;font-size:11px;color:var(--gray);font-weight:500;letter-spacing:.05em;text-transform:uppercase}
.nav{display:flex;gap:28px}
.nav a{color:var(--graphite-2);font-weight:500;font-size:15px;position:relative}
.nav a::after{content:'';position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--blue);transition:var(--transition)}
.nav a:hover::after{width:100%}
.header-cta{display:flex;align-items:center;gap:18px}
.header-phone{font-weight:700;color:var(--graphite);font-size:15px;white-space:nowrap}
.burger{display:none;background:none;border:0;cursor:pointer;width:32px;height:32px;position:relative}
.burger span{position:absolute;left:4px;right:4px;height:2px;background:var(--graphite);transition:var(--transition)}
.burger span:nth-child(1){top:9px}.burger span:nth-child(2){top:15px}.burger span:nth-child(3){top:21px}
.burger.open span:nth-child(1){transform:rotate(45deg);top:15px}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:rotate(-45deg);top:15px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:10px;font-weight:600;font-size:15px;cursor:pointer;border:0;transition:var(--transition);text-align:center}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px -8px rgba(10,102,194,.45);color:#fff}
.btn-outline{background:#fff;color:var(--blue);border:2px solid var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff}

/* Hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('images/hero.jpg') center/cover no-repeat;z-index:-2}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,74,143,.92) 0%,rgba(31,41,55,.78) 60%,rgba(31,41,55,.55) 100%);z-index:-1}
.hero-inner{padding:60px 0;max-width:760px}
.hero .eyebrow{display:inline-block;padding:7px 14px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);border-radius:999px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:22px;backdrop-filter:blur(8px)}
.hero h1{font-size:clamp(34px,5.4vw,60px);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#60a5fa,#bfdbfe);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:rgba(255,255,255,.88);max-width:600px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:54px;max-width:560px}
.hero-stats div b{display:block;font-size:30px;font-weight:800;color:#fff}
.hero-stats div span{font-size:13px;color:rgba(255,255,255,.7)}

/* About */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}
.about-grid img{border-radius:var(--radius);box-shadow:var(--shadow)}
.about h2{font-size:clamp(26px,3.6vw,38px);font-weight:800;margin-bottom:18px;letter-spacing:-.02em}
.about p{color:var(--graphite-2);margin-bottom:14px;font-size:16px}
.about-list{margin-top:22px;display:grid;gap:12px}
.about-list li{list-style:none;padding-left:30px;position:relative;color:var(--graphite-2)}
.about-list li::before{content:'';position:absolute;left:0;top:8px;width:18px;height:18px;background:var(--blue);border-radius:50%;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");background-size:12px;background-repeat:no-repeat;background-position:center}

/* Services */
.services{background:var(--light)}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:24px}
.service-card{background:#fff;border-radius:var(--radius);padding:32px 26px;border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--blue),#60a5fa);transition:var(--transition)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.service-card:hover::before{width:100%}
.service-icon{width:54px;height:54px;border-radius:12px;background:var(--blue-light);color:var(--blue);display:grid;place-items:center;margin-bottom:18px}
.service-icon svg{width:28px;height:28px}
.service-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.service-card p{color:var(--gray);font-size:15px}

/* Advantages */
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.adv-card{padding:30px 24px;border-radius:var(--radius);background:linear-gradient(180deg,#fff,#f8fafc);border:1px solid var(--border);transition:var(--transition)}
.adv-card:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:var(--shadow)}
.adv-card .num{font-size:34px;font-weight:800;background:linear-gradient(135deg,var(--blue),#60a5fa);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:8px}
.adv-card h4{font-size:17px;font-weight:700;margin-bottom:6px}
.adv-card p{color:var(--gray);font-size:14px}

/* Steps */
.steps{background:var(--graphite);color:#fff;position:relative;overflow:hidden}
.steps::before{content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(10,102,194,.3),transparent 70%)}
.steps .section-title{color:#fff}
.steps .section-sub{color:rgba(255,255,255,.65)}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;position:relative}
.step{padding:28px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);transition:var(--transition)}
.step:hover{background:rgba(10,102,194,.15);border-color:var(--blue);transform:translateY(-4px)}
.step b{display:inline-block;font-size:14px;color:#60a5fa;font-weight:700;letter-spacing:.05em;margin-bottom:10px}
.step h4{font-size:18px;margin-bottom:8px}
.step p{color:rgba(255,255,255,.7);font-size:14px}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.gallery-item{position:relative;overflow:hidden;border-radius:var(--radius);aspect-ratio:4/3;cursor:pointer}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.gallery-item::after{content:attr(data-caption);position:absolute;left:0;right:0;bottom:0;padding:18px;color:#fff;font-weight:600;background:linear-gradient(transparent,rgba(0,0,0,.75));transform:translateY(20%);opacity:0;transition:var(--transition)}
.gallery-item:hover img{transform:scale(1.08)}
.gallery-item:hover::after{transform:translateY(0);opacity:1}

/* Reviews */
.reviews{background:var(--light)}
.reviews-head{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:40px;flex-wrap:wrap}
.rating-big{display:flex;align-items:center;gap:10px;background:#fff;padding:12px 22px;border-radius:999px;box-shadow:var(--shadow)}
.rating-big b{font-size:22px;font-weight:800}
.stars{display:inline-flex;gap:2px;color:#f5b400}
.stars svg{width:18px;height:18px;fill:currentColor}
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px}
.review-card{background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--border);transition:var(--transition)}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.review-card .stars{margin-bottom:14px}
.review-card p{color:var(--graphite-2);font-size:15px;margin-bottom:18px;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#60a5fa);color:#fff;display:grid;place-items:center;font-weight:700}
.review-author b{display:block;font-size:15px}
.review-author span{font-size:13px;color:var(--gray)}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:var(--transition)}
.faq-item.open{border-color:var(--blue);box-shadow:var(--shadow)}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 24px;font-size:16px;font-weight:600;color:var(--graphite);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit}
.faq-q .ico{width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--blue-light);color:var(--blue);display:grid;place-items:center;transition:var(--transition);font-weight:700}
.faq-item.open .ico{background:var(--blue);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px;color:var(--graphite-2)}
.faq-item.open .faq-a{max-height:400px;padding-bottom:22px}

/* Contacts */
.contacts{background:var(--light)}
.contacts-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-card{background:#fff;border-radius:var(--radius);padding:32px;border:1px solid var(--border)}
.contact-card h3{font-size:22px;font-weight:700;margin-bottom:22px}
.contact-row{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--border)}
.contact-row:last-child{border:0}
.contact-row .ico{width:42px;height:42px;border-radius:10px;background:var(--blue-light);color:var(--blue);display:grid;place-items:center;flex-shrink:0}
.contact-row .ico svg{width:20px;height:20px}
.contact-row b{display:block;font-size:13px;color:var(--gray);font-weight:500;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}
.contact-row a,.contact-row span{font-weight:600;color:var(--graphite);font-size:16px}
.contact-row a:hover{color:var(--blue)}

/* Form */
.form{display:grid;gap:14px}
.form label{display:block;font-size:13px;font-weight:600;color:var(--graphite-2);margin-bottom:6px}
.form input,.form textarea{width:100%;padding:13px 16px;border:1.5px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;color:var(--graphite);background:#fff;transition:var(--transition)}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(10,102,194,.12)}
.form textarea{min-height:110px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--gray);line-height:1.5}
.checkbox-row input{width:18px;height:18px;accent-color:var(--blue);margin-top:2px;flex-shrink:0}
.checkbox-row a{text-decoration:underline}
.form-msg{padding:12px;border-radius:8px;font-size:14px;display:none}
.form-msg.ok{display:block;background:#dcfce7;color:#166534}
.form-msg.err{display:block;background:#fee2e2;color:#991b1b}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.7);display:none;align-items:center;justify-content:center;padding:20px;z-index:200;animation:fadeIn .25s}
.modal.open{display:flex}
.modal-box{background:#fff;border-radius:16px;max-width:760px;width:100%;max-height:88vh;overflow-y:auto;padding:36px;position:relative;animation:scaleIn .3s}
.modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;background:var(--light);border:0;cursor:pointer;font-size:20px;display:grid;place-items:center;transition:var(--transition)}
.modal-close:hover{background:var(--blue);color:#fff}
.modal h2{font-size:22px;margin-bottom:18px;font-weight:800}
.modal p,.modal li{font-size:14px;color:var(--graphite-2);margin-bottom:10px;line-height:1.65}
.modal ul{padding-left:22px;margin-bottom:14px}

/* Footer */
.footer{background:var(--graphite);color:rgba(255,255,255,.7);padding:50px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;margin-bottom:32px}
.footer h5{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700;letter-spacing:.03em}
.footer a{color:rgba(255,255,255,.7);display:block;padding:4px 0}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;font-size:13px;text-align:center;color:rgba(255,255,255,.55)}

/* Float CTA */
.float-cta{position:fixed;right:22px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px}
.float-cta a{width:54px;height:54px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow);transition:var(--transition);animation:pulse 2.4s infinite}
.float-cta a:hover{transform:scale(1.1)}
.float-cta a svg{width:24px;height:24px;fill:currentColor}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(10,102,194,.6)}50%{box-shadow:0 0 0 14px rgba(10,102,194,0)}}

@media (max-width:880px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:18px 20px;border-bottom:1px solid var(--border);gap:8px}
  .nav.open{display:flex}
  .nav a{padding:10px 0}
  .header-phone{display:none}
  .burger{display:block}
  .about-grid,.contacts-grid,.footer-grid,.form-row{grid-template-columns:1fr}
  .section{padding:60px 0}
  .hero{min-height:auto;padding:50px 0}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:14px}
  .hero-stats div b{font-size:22px}
}