:root {
  --navy: #102a43;
  --navy-2: #173a5e;
  --blue: #2d6cdf;
  --blue-2: #3d9be9;
  --cyan: #5cc7e8;
  --ink: #1b3047;
  --muted: #5d7083;
  --line: #dce6ee;
  --soft: #f5f9fd;
  --white: #fff;
  --shadow: 0 20px 60px rgba(16, 42, 67, .12);
  --shadow-soft: 0 12px 34px rgba(16, 42, 67, .08);
  --radius: 20px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 999; background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { left: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(220,230,238,.9);
  backdrop-filter: blur(15px);
}
.header-inner { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { width: 310px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.primary-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 700; }
.primary-nav > a:not(.button) { position: relative; text-decoration: none; color: var(--navy); padding: 12px 0; }
.primary-nav > a:not(.button)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 5px; height: 2px; background: linear-gradient(90deg,var(--blue),var(--cyan)); transition: right .2s ease; }
.primary-nav > a:not(.button):hover::after, .primary-nav > a:not(.button):focus-visible::after { right: 0; }
.menu-toggle { display: none; border: 0; background: transparent; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 6px 0; background: var(--navy); transition: .2s; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 50px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 10px 24px rgba(45,108,223,.23);
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(45,108,223,.3); }
.button svg { width: 18px; height: 18px; }
.button-small { min-height: 43px; padding: 10px 16px; font-size: 13px; }
.button-outline { color: var(--blue); background: rgba(255,255,255,.88); border-color: var(--blue); box-shadow: none; }
.button-outline:hover { color: #fff; background: var(--blue); }
.button-full { width: 100%; border: 0; }

.hero { position: relative; overflow: hidden; min-height: 660px; background: linear-gradient(105deg,#fff 0%,#f8fbfe 50%,#edf5fc 100%); }
.hero::before { content:""; position:absolute; width:520px; height:520px; border-radius:50%; background:radial-gradient(circle,rgba(92,199,232,.16),rgba(92,199,232,0) 68%); left:-180px; top:-190px; }
.hero-skyline { position: absolute; inset: auto 0 0 25%; height: 82%; background: url('../images/london-skyline.svg') bottom right/cover no-repeat; pointer-events:none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 74px; align-items: center; min-height: 660px; padding-block: 78px 94px; }
.eyebrow { margin: 0 0 14px; color: var(--blue); font-size: 13px; line-height: 1.3; font-weight: 900; letter-spacing: .17em; text-transform: uppercase; }
.hero h1 { margin: 0; max-width: 760px; color: var(--navy); font-size: clamp(47px,5vw,72px); line-height: 1.08; letter-spacing: -.04em; }
.hero h1 span { color: var(--blue); }
.hero-intro { max-width: 670px; margin: 26px 0 0; color: var(--muted); font-size: 18px; line-height: 1.75; }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }
.company-card { background: rgba(255,255,255,.94); border: 1px solid rgba(209,222,234,.95); border-radius: var(--radius); box-shadow: var(--shadow); padding: 9px 28px; }
.company-row { display: grid; grid-template-columns: 52px 1fr; align-items: center; gap: 18px; padding: 24px 0; }
.company-row + .company-row { border-top: 1px solid var(--line); }
.company-row strong, .company-row span { display:block; }
.company-row strong { color: var(--navy); font-size: 16px; }
.company-row span { color: var(--muted); font-size: 15px; }
.company-row .accent-text { color: var(--blue); font-weight: 900; font-size: 17px; }
.round-icon, .service-icon, .benefit-icon, .contact-icon { display:grid; place-items:center; color: var(--blue); background: #eef6ff; border: 1px solid #dbeaf9; }
.round-icon { width: 52px; height: 52px; border-radius: 50%; }
.round-icon svg { width: 25px; height: 25px; }

.section { padding: 100px 0; }
.section-soft { background: linear-gradient(180deg,#f8fbfe,#f2f8fd); }
.about-grid { display:grid; grid-template-columns: .78fr 1.22fr; gap: 90px; align-items:center; }
.about-visual { min-height: 380px; position: relative; display:grid; place-items:center; }
.visual-disc { position:absolute; width:360px; height:360px; border-radius:50%; background:linear-gradient(135deg,#eef7ff,#f7fbff); border:1px dashed #8cb6e6; }
.about-illustration { position:relative; width:min(430px,100%); color:var(--blue); stroke-width:2.2; }
h2 { margin:0 0 22px; color:var(--navy); font-size:clamp(36px,4vw,52px); line-height:1.15; letter-spacing:-.035em; }
h3 { color:var(--navy); line-height:1.25; }
.about-copy p:not(.eyebrow) { color:var(--muted); font-size:17px; margin:0 0 17px; }
.section-heading { text-align:center; max-width:720px; margin:0 auto 50px; }
.section-heading h2 { margin-bottom:14px; }
.section-heading > p:last-child { margin:0; color:var(--muted); font-size:17px; }

.service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.service-card { min-height:340px; padding:34px 30px 30px; background:#fff; border:1px solid var(--line); border-radius:16px; box-shadow:var(--shadow-soft); text-align:center; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.service-card:hover { transform:translateY(-5px); box-shadow:var(--shadow); border-color:#c4dcf1; }
.service-icon { width:68px; height:68px; border-radius:18px; margin:0 auto 21px; }
.service-icon svg { width:35px; height:35px; }
.service-card h3 { margin:0 auto 14px; font-size:20px; max-width:260px; }
.service-card p { margin:0; color:var(--muted); font-size:15px; }

.steps { position:relative; display:grid; grid-template-columns:repeat(3,1fr); gap:50px; margin-top:72px; }
.steps::before { content:""; position:absolute; z-index:0; left:16%; right:16%; top:30px; height:2px; background:linear-gradient(90deg,#b5d1ec,var(--blue),#b5d1ec); }
.step { position:relative; z-index:1; text-align:center; padding:0 15px; }
.step-number { display:grid; place-items:center; width:62px; height:62px; margin:0 auto 24px; border-radius:50%; color:#fff; background:linear-gradient(135deg,var(--blue),var(--blue-2)); border:7px solid #fff; box-shadow:0 8px 24px rgba(45,108,223,.24); font-size:24px; font-weight:900; }
.step h3 { margin:0 0 12px; font-size:20px; }
.step p { margin:0; color:var(--muted); font-size:15px; }

.why-section { padding-top:90px; }
.benefit-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:0; }
.benefit { text-align:center; padding:6px 25px 0; }
.benefit + .benefit { border-left:1px solid var(--line); }
.benefit-icon { width:72px; height:72px; border-radius:50%; margin:0 auto 18px; }
.benefit-icon svg { width:34px; height:34px; }
.benefit h3 { margin:0 0 10px; font-size:18px; }
.benefit p { margin:0; color:var(--muted); font-size:14px; }

.contact-section { padding:100px 0; background:linear-gradient(135deg,#eef6fd,#fff 60%); }
.contact-grid { display:grid; grid-template-columns:.9fr 1.1fr; gap:80px; align-items:start; }
.contact-copy > p:not(.eyebrow) { color:var(--muted); font-size:18px; max-width:540px; }
.contact-details { display:grid; gap:18px; margin-top:36px; }
.contact-details > a, .contact-details > div { display:grid; grid-template-columns:48px 1fr; gap:15px; align-items:center; text-decoration:none; color:var(--navy); }
.contact-details a:hover { color:var(--blue); }
.contact-icon { width:48px; height:48px; border-radius:50%; }
.contact-icon svg { width:23px; height:23px; }
.contact-details small { display:block; color:var(--muted); font-size:12px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
.contact-panel { background:#fff; border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); padding:38px; }
.contact-panel h3 { margin:0 0 8px; font-size:28px; }
.contact-panel > p { margin:0 0 24px; color:var(--muted); }
.contact-form { display:grid; gap:17px; }
.field-row { display:grid; grid-template-columns:1fr 1fr; gap:15px; }
.contact-form label { color:var(--navy); font-size:13px; font-weight:800; }
.contact-form input, .contact-form textarea { display:block; width:100%; margin-top:7px; padding:13px 14px; color:var(--ink); background:#fbfdff; border:1px solid #cedce8; border-radius:9px; font:inherit; font-size:15px; outline:none; transition:border-color .2s,box-shadow .2s; }
.contact-form textarea { resize:vertical; min-height:130px; }
.contact-form input:focus, .contact-form textarea:focus { border-color:var(--blue); box-shadow:0 0 0 4px rgba(45,108,223,.1); }
.form-note { margin:0; color:var(--muted); font-size:12px; }
.honeypot { position:absolute!important; left:-9999px!important; width:1px!important; height:1px!important; overflow:hidden!important; }
.form-status { display:none; padding:12px 14px; margin-bottom:18px; border-radius:8px; font-weight:700; }
.form-status.success { color:#14532d; background:#dcfce7; border:1px solid #86efac; }
.form-status.error { color:#7f1d1d; background:#fee2e2; border:1px solid #fca5a5; }
.form-status.show { display:block; }

.site-footer { color:#e9f2fa; background:linear-gradient(135deg,#0e2740,#123858); padding:56px 0 24px; }
.footer-grid { display:grid; grid-template-columns:330px 1fr; gap:70px; align-items:center; }
.footer-brand img { width:100%; filter:brightness(0) invert(1); opacity:.96; }
.footer-copy { padding-left:54px; border-left:1px solid rgba(255,255,255,.18); }
.footer-copy p { margin:0 0 8px; color:#d4e2ee; font-size:13px; line-height:1.6; }
.footer-copy strong { color:#fff; }
.footer-bottom { display:flex; justify-content:space-between; gap:20px; margin-top:35px; padding-top:20px; border-top:1px solid rgba(255,255,255,.14); color:#a9bfd2; font-size:12px; }
.footer-bottom a { color:#dcebf7; text-decoration:none; }

.reveal { opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity:1; transform:none; }

@media (max-width: 1050px) {
  .brand { width:260px; }
  .primary-nav { gap:18px; }
  .primary-nav .button { display:none; }
  .hero-grid { gap:36px; }
  .service-grid { grid-template-columns:repeat(2,1fr); }
  .benefit-grid { grid-template-columns:repeat(2,1fr); gap:34px 0; }
  .benefit:nth-child(3) { border-left:0; }
}

@media (max-width: 820px) {
  .container { width:min(100% - 34px,var(--container)); }
  .header-inner { min-height:78px; }
  .brand { width:225px; }
  .menu-toggle { display:block; }
  .primary-nav { position:absolute; left:0; right:0; top:78px; display:none; flex-direction:column; align-items:stretch; gap:0; padding:14px 22px 22px; background:#fff; border-bottom:1px solid var(--line); box-shadow:var(--shadow-soft); }
  .primary-nav.open { display:flex; }
  .primary-nav > a:not(.button) { padding:12px; }
  .primary-nav .button { display:inline-flex; margin-top:10px; }
  .menu-toggle.active span:nth-child(1) { transform:translateY(8px) rotate(45deg); }
  .menu-toggle.active span:nth-child(2) { opacity:0; }
  .menu-toggle.active span:nth-child(3) { transform:translateY(-8px) rotate(-45deg); }
  .hero, .hero-grid { min-height:auto; }
  .hero-grid { grid-template-columns:1fr; padding-block:68px 84px; }
  .hero-skyline { inset:auto -30% 0 0; opacity:.5; }
  .company-card { max-width:620px; }
  .about-grid, .contact-grid { grid-template-columns:1fr; gap:52px; }
  .about-visual { order:2; }
  .section { padding:78px 0; }
  .steps { gap:18px; }
  .footer-grid { grid-template-columns:1fr; gap:35px; }
  .footer-brand { max-width:320px; }
  .footer-copy { padding:28px 0 0; border-left:0; border-top:1px solid rgba(255,255,255,.18); }
}

@media (max-width: 620px) {
  body { font-size:15px; }
  .container { width:min(100% - 28px,var(--container)); }
  .brand { width:195px; }
  .hero-grid { padding-block:55px 70px; }
  .hero h1 { font-size:42px; }
  .hero-intro { font-size:16px; }
  .hero-actions { display:grid; }
  .button { width:100%; }
  .company-card { padding:6px 18px; }
  .company-row { grid-template-columns:46px 1fr; gap:13px; padding:18px 0; }
  .round-icon { width:44px; height:44px; }
  .about-visual { min-height:300px; }
  .visual-disc { width:285px; height:285px; }
  .service-grid { grid-template-columns:1fr; }
  .service-card { min-height:0; }
  .steps { grid-template-columns:1fr; gap:42px; margin-top:45px; }
  .steps::before { left:30px; right:auto; top:32px; bottom:32px; width:2px; height:auto; }
  .step { text-align:left; padding-left:90px; min-height:70px; }
  .step-number { position:absolute; left:0; top:0; margin:0; }
  .benefit-grid { grid-template-columns:1fr; gap:28px; }
  .benefit + .benefit { border-left:0; border-top:1px solid var(--line); padding-top:28px; }
  .field-row { grid-template-columns:1fr; }
  .contact-panel { padding:26px 20px; }
  .footer-bottom { flex-direction:column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms!important; transition-duration:.01ms!important; }
  .reveal { opacity:1; transform:none; }
}
