:root{
    --navy:#0a1f44; --navy-2:#122a55; --navy-3:#1b3a72;
    --accent:#3d7dff; --accent-2:#5b94ff;
    --white:#fff; --off:#f5f7fb; --gray:#6b7a99; --line:#e3e8f2;
    --radius:16px; --shadow:0 20px 50px -20px rgba(10,31,68,.25);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Manrope',system-ui,-apple-system,sans-serif;background:var(--white);color:var(--navy);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo{font-size:22px;font-weight:800;letter-spacing:-.02em;display:flex;align-items:center;gap:6px}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;background:var(--navy);color:#fff;font-size:13px;font-weight:800;width:28px;height:28px;border-radius:8px}
.logo-dot{color:var(--accent)}
.logo-light{color:#fff}
.logo-light .logo-mark{background:var(--accent)}
.nav{display:flex;gap:32px;font-weight:600;font-size:15px}
.nav a{position:relative;color:var(--navy);transition:.2s}
.nav a:hover,.nav a.active{color:var(--accent)}
.burger{display:none;background:none;border:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--navy);border-radius:2px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:700;font-size:15px;padding:14px 26px;border-radius:12px;border:none;cursor:pointer;transition:.2s;text-align:center;text-decoration:none}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(61,125,255,.6)}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--off)}
.btn[data-loading]{position:relative;color:transparent!important}
.btn[data-loading]::after{content:attr(data-loading);position:absolute;inset:0;color:#fff;display:flex;align-items:center;justify-content:center}

/* Hero */
.hero{padding:80px 0 100px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(61,125,255,.15),transparent 70%);border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center;position:relative}
.badge{display:inline-block;background:var(--off);color:var(--navy);font-size:13px;font-weight:700;padding:8px 16px;border-radius:100px;margin-bottom:24px;border:1px solid var(--line)}
.hero h1{font-size:clamp(36px,5vw,60px);line-height:1.08;font-weight:800;letter-spacing:-.03em;margin-bottom:22px}
.accent{color:var(--accent)}
.hero-sub{font-size:18px;color:var(--gray);max-width:520px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;gap:44px;padding-top:32px;border-top:1px solid var(--line)}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-size:26px;font-weight:800;color:var(--navy)}
.hero-stats span{font-size:13px;color:var(--gray);font-weight:600}

/* Hero visual */
.hero-visual{position:relative}
.code-card{background:var(--navy);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transform:rotate(-1deg)}
.code-dots{display:flex;gap:7px;padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.code-dots span{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.15)}
.code-dots span:first-child{background:#ff5f56}
.code-dots span:nth-child(2){background:#ffbd2e}
.code-dots span:nth-child(3){background:#27c93f}
.code-card pre{padding:26px 24px;color:#c9d6f5;font-family:'JetBrains Mono',monospace;font-size:14px;line-height:1.7;overflow-x:auto}
.c-tag{color:#5b94ff}
.c-attr{color:#ffbd2e}
.c-val{color:#7ee787}
.c-text{color:#e6edf3}
.float-badge{position:absolute;background:#fff;padding:14px 20px;border-radius:14px;font-weight:700;font-size:14px;box-shadow:0 20px 40px -15px rgba(10,31,68,.3);border:1px solid var(--line)}
.fb-1{top:-20px;left:-30px;color:var(--accent)}
.fb-2{bottom:-25px;right:-20px;color:var(--navy)}

/* Sections */
.section{padding:100px 0}
.section-dark{background:var(--navy);color:#fff}
.section-head{margin-bottom:60px;max-width:640px}
.section-head.light h2{color:#fff}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.section-head h2{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.15}

/* Services */
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;transition:.25s;position:relative;overflow:hidden}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.service-card.featured{background:var(--navy);color:#fff;border-color:var(--navy)}
.service-card.featured h3{color:#fff}
.service-card.featured p{color:#b6c4e0}
.service-card.featured .service-price{color:var(--accent-2)}
.service-icon{font-size:14px;font-weight:800;color:var(--accent);margin-bottom:20px;font-family:'JetBrains Mono',monospace}
.service-card h3{font-size:22px;font-weight:800;margin-bottom:12px;letter-spacing:-.01em}
.service-card p{color:var(--gray);margin-bottom:24px}
.service-price{display:inline-block;font-weight:700;color:var(--navy);font-size:15px;padding-top:20px;border-top:1px solid var(--line)}
.service-card.featured .service-price{border-color:rgba(255,255,255,.15)}

/* Process */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.process-step{padding:28px;border-radius:var(--radius);background:var(--navy-2);border:1px solid rgba(255,255,255,.06);transition:.25s}
.process-step:hover{background:var(--navy-3);transform:translateY(-4px)}
.step-num{display:inline-block;font-family:'JetBrains Mono',monospace;font-weight:800;color:var(--accent);font-size:14px;margin-bottom:16px}
.process-step h3{font-size:18px;font-weight:800;margin-bottom:10px}
.process-step p{font-size:14px;color:#b6c4e0;line-height:1.5}

/* CTA */
.cta{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-3) 100%);color:#fff;padding:80px 0}
.cta-inner{text-align:center;max-width:640px}
.cta h2{font-size:clamp(28px,3.5vw,40px);font-weight:800;margin-bottom:12px;letter-spacing:-.02em}
.cta p{color:#b6c4e0;margin-bottom:32px;font-size:18px}

/* Contacts page */
.page-head{padding:70px 0 40px;text-align:center;background:var(--off)}
.page-head h1{font-size:clamp(32px,4.5vw,52px);font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.page-head p{color:var(--gray);max-width:560px;margin:0 auto;font-size:17px}
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:16px}
.info-card{background:var(--off);border-radius:var(--radius);padding:24px;border:1px solid var(--line)}
.info-label{display:block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin-bottom:8px}
.info-card a,.info-card p{font-size:17px;font-weight:700;color:var(--navy)}
.info-card a:hover{color:var(--accent)}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.contact-form{display:flex;flex-direction:column;gap:20px;position:relative}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field label{font-size:14px;font-weight:700}
.form-field input,.form-field select,.form-field textarea{font-family:inherit;font-size:15px;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--navy);transition:.2s;width:100%;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(61,125,255,.12)}
.form-note{font-size:13px;color:var(--gray);text-align:center}
.alert{padding:16px 20px;border-radius:12px;margin-bottom:24px;font-size:15px;line-height:1.6}
.alert-success{background:#e7f7ee;color:#0d7a3d;border:1px solid #b6e8cb}
.alert-error{background:#fdecec;color:#c02929;border:1px solid #f5c2c2}

/* Footer */
.footer{background:var(--navy);color:#fff;padding:70px 0 30px;margin-top:0}
.footer-inner{display:grid;grid-template-columns:1.2fr 2fr;gap:60px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand p{color:#98a8c9;margin-top:16px;max-width:280px;font-size:15px}
.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.footer-cols h4{font-size:14px;text-transform:uppercase;letter-spacing:.12em;color:#98a8c9;margin-bottom:20px;font-weight:700}
.footer-cols a{display:block;color:#e3e9f7;margin-bottom:12px;font-size:15px;transition:.2s}
.footer-cols a:hover{color:var(--accent-2)}
.footer-bottom{display:flex;justify-content:space-between;padding-top:26px;color:#6b7fa8;font-size:14px;flex-wrap:wrap;gap:12px}
.footer-bottom a:hover{color:var(--accent-2)}

/* Admin */
.admin-body{background:var(--off);min-height:100vh}
.admin-login{max-width:400px;margin:100px auto;background:#fff;padding:40px;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.admin-login h1{font-size:20px;margin-bottom:24px;text-align:center}
.admin-login input{width:100%;padding:14px 16px;margin-bottom:14px;border:1.5px solid var(--line);border-radius:12px;font-family:inherit;font-size:15px}
.admin-login input:focus{outline:none;border-color:var(--accent)}
.admin-back{display:block;text-align:center;margin-top:18px;color:var(--gray);font-size:14px}
.admin-wrap{max-width:1400px;margin:0 auto;padding:40px 24px}
.admin-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;flex-wrap:wrap;gap:16px}
.admin-head h1{font-size:26px;font-weight:800}
.admin-head h1 span{color:var(--accent)}
.admin-head > div{display:flex;gap:10px}
.admin-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:24px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:6px}
.stat span{font-size:12px;color:var(--gray);text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.stat strong{font-size:26px;font-weight:800;color:var(--navy)}
.admin-filters{display:flex;gap:10px;margin-bottom:24px;flex-wrap:wrap}
.admin-filters input,.admin-filters select{padding:10px 14px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:14px}
.admin-empty{text-align:center;color:var(--gray);padding:60px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
.admin-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.admin-table th{background:var(--navy);color:#fff;text-align:left;padding:14px 16px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.admin-table td{padding:14px 16px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}
.admin-table tr:hover td{background:var(--off)}
.cell-msg{max-width:320px;font-size:13px;color:var(--gray)}
.status-select{padding:8px 10px;border-radius:8px;border:1.5px solid var(--line);font-family:inherit;font-size:13px;font-weight:600;background:#fff}
.del{color:#c02929;font-weight:800;font-size:18px;padding:4px 8px;background:none;border:none;cursor:pointer}
.admin-table a{color:var(--accent)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* Responsive */
@media (max-width:960px){
    .hero-grid,.contact-grid,.footer-inner{grid-template-columns:1fr;gap:40px}
    .services{grid-template-columns:1fr}
    .process{grid-template-columns:repeat(2,1fr)}
    .nav{display:none}
    .burger{display:flex}
    .header-inner .btn-primary.btn-sm{display:none}
    .form-row{grid-template-columns:1fr}
    .hero-stats{gap:28px}
    .fb-1,.fb-2{display:none}
    .admin-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
    .process{grid-template-columns:1fr}
    .contact-form-wrap{padding:24px}
    .hero{padding:50px 0 70px}
    .section{padding:70px 0}
}