:root {
  --navy: #0b1f3a;
  --navy-2: #13294b;
  --blue: #1f6feb;
  --blue-dark: #1558c0;
  --teal: #13b5a6;
  --text: #1c2533;
  --muted: #5b6778;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(11, 31, 58, 0.08);
  --max: 1160px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; color: var(--navy); margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -999px; top: 8px;
  background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 6px; z-index: 100;
}
.skip-link:focus { left: 8px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; color: var(--navy); }
.brand:hover { text-decoration: none; }
.brand span { color: var(--blue); }
.brand-mark { width: 34px; height: 34px; }

.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text); font-weight: 500; }
.nav-links a:hover { color: var(--blue); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--blue); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--border); border-radius: 8px;
  width: 42px; height: 42px; cursor: pointer; color: var(--navy);
}
.nav-toggle svg { margin: auto; }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 8px; font-weight: 600;
  border: 2px solid transparent; transition: background .2s, color .2s, border-color .2s;
  cursor: pointer; font-size: 1rem; font-family: inherit;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-outline { border-color: rgba(255, 255, 255, 0.6); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--navy); }
.nav-links .btn-primary { color: #fff; padding: 9px 18px; }

/* Hero */
.hero {
  background: radial-gradient(1200px 500px at 85% -10%, rgba(19, 181, 166, 0.25), transparent 60%),
              linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #dbe5f3; padding: 96px 0 104px;
}
.hero h1 { color: #fff; max-width: 780px; }
.hero p.lead { font-size: 1.2rem; max-width: 640px; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.eyebrow {
  display: inline-block; font-size: .85rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 14px;
}

.page-hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%); color: #dbe5f3; padding: 72px 0; }
.page-hero h1 { color: #fff; }
.page-hero p { max-width: 680px; font-size: 1.1rem; margin: 0; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow); height: 100%;
}
.card p { color: var(--muted); margin-bottom: 0; }
.card ul { color: var(--muted); padding-left: 18px; margin: 12px 0 0; }
.card li { margin-bottom: 6px; }
.icon {
  width: 48px; height: 48px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(31, 111, 235, 0.1); color: var(--blue); margin-bottom: 18px;
}
.icon svg { width: 26px; height: 26px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat strong { display: block; font-size: 2.2rem; color: var(--navy); }
.stat span { color: var(--muted); }

.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.checklist { list-style: none; padding: 0; margin: 20px 0 0; }
.checklist li { position: relative; padding-left: 32px; margin-bottom: 12px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat;
}

.panel {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%); color: #dbe5f3;
  border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow);
}
.panel h3 { color: #fff; }

.steps { counter-reset: step; }
.step { position: relative; padding-top: 56px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: 0; left: 0; font-size: 2rem; font-weight: 800; color: var(--blue); opacity: .35;
}

.service-block { display: grid; grid-template-columns: 64px 1fr; gap: 22px; padding: 32px 0; border-bottom: 1px solid var(--border); }
.service-block:last-child { border-bottom: none; }
.service-block .icon { margin: 0; width: 56px; height: 56px; }
.service-block ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px 28px; padding-left: 18px; color: var(--muted); margin: 10px 0 0; }

.cta { background: linear-gradient(135deg, var(--blue) 0%, #0f4fb3 100%); color: #e8f0ff; padding: 64px 0; }
.cta .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta h2 { color: #fff; margin-bottom: .3em; }
.cta p { margin: 0; }
.cta .btn { background: #fff; color: var(--blue); }
.cta .btn:hover { background: var(--navy); color: #fff; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; }
.contact-item { display: flex; gap: 14px; margin-bottom: 22px; }
.contact-item .icon { margin: 0; flex-shrink: 0; }
.contact-item strong { display: block; color: var(--navy); }
.contact-item span, .contact-item a { color: var(--muted); }
form .field { margin-bottom: 18px; }
form label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--navy); }
form input, form select, form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px;
  font: inherit; color: var(--text); background: #fff;
}
form input:focus, form select:focus, form textarea:focus { outline: 2px solid rgba(31, 111, 235, .35); border-color: var(--blue); }
form textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: .9rem; color: var(--muted); margin-top: 12px; }

/* 404 */
.not-found { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 80px 0; }
.not-found .code { font-size: clamp(5rem, 15vw, 9rem); font-weight: 800; color: var(--blue); line-height: 1; margin-bottom: 10px; }

/* Footer */
.site-footer { background: var(--navy); color: #9fb0c8; padding: 56px 0 24px; font-size: .95rem; }
.site-footer h4 { color: #fff; margin: 0 0 14px; font-size: 1rem; }
.site-footer a { color: #c9d6e8; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 32px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.site-footer .brand { color: #fff; margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Responsive */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: grid; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: 8px 20px 18px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 12px 0; }
  .nav-links .btn-primary { text-align: center; margin-top: 8px; }
  .grid-2, .grid-3, .grid-4, .form-row { grid-template-columns: 1fr; }
  .service-block { grid-template-columns: 1fr; }
  .service-block ul { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 80px; }
  .section { padding: 60px 0; }
  .footer-grid { grid-template-columns: 1fr; }
}