:root {
  --brand: #354b68;
  --brand-600: #2f435d;
  --text: #18202c;
  --muted: #5b6470;
  --bg: #ffffff;
  --surface: #f6f8fb;
  --border: #e6ebf2;
  --shadow: 0 10px 30px rgba(21, 35, 56, 0.08), 0 2px 8px rgba(21, 35, 56, 0.06);
  --radius: 14px;
  --radius-sm: 10px;
  --content-w: 1140px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }

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

.section { padding: 72px 0; }
.center { text-align: center; }

h1, h2, h3 { margin: 0 0 12px; line-height: 1.2; }
h1 { font-size: clamp(32px, 5vw, 48px); letter-spacing: -0.02em; }
h2 { font-size: clamp(24px, 3.2vw, 32px); letter-spacing: -0.01em; }
h3 { font-size: 20px; }
p { margin: 0 0 16px; color: var(--muted); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 600; color: var(--text); }
.brand .logo { width: 42px; height: 42px; border-radius: 12px; }
.brand .logo.small { width: 32px; height: 32px; border-radius: 10px; }
.brand .brand-text { letter-spacing: 0.2px; }
.brand.muted { color: var(--muted); }

.nav { display: flex; align-items: center; gap: 16px; }
.menu { list-style: none; display: flex; gap: 16px; margin: 0; padding: 0; }
.menu a { color: var(--text); padding: 8px 12px; border-radius: 10px; transition: background 200ms ease, color 200ms ease; }
.menu a:hover { background: var(--surface); color: var(--brand); }

.nav-toggle { display: none; background: transparent; border: 0; padding: 8px; border-radius: 8px; }
.nav-toggle:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: transform 200ms ease, opacity 200ms ease; }

/* Hero */
.hero { padding: 96px 0 72px; background: linear-gradient(180deg, #f7f9fc 0%, #ffffff 100%); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.hero-copy p { font-size: 18px; }
.actions { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 18px; border-radius: 12px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: transform 120ms ease, box-shadow 200ms ease, background 200ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--brand); color: white; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--brand-600); }
.btn-light { background: #ffffff; border-color: var(--border); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn.full { width: 100%; }

.hero-visual { display: flex; justify-content: flex-end; }
.hero-card {
  max-width: 440px;
  width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: grid;
  gap: 14px;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  letter-spacing: 0.1px;
}
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; }
.stat-num { display: block; font-weight: 700; font-size: 20px; color: var(--text); }
.stat-label { font-size: 13px; color: var(--muted); }
.hero-contact { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fdfefe; }
.avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--brand); color: #fff; font-weight: 700; }
.label { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.hero-phone { color: var(--text); font-weight: 600; }

.btn.small { padding: 10px 14px; font-size: 14px; }

/* Layout helpers */
.two-col { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: start; }
.grid.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 20px; }

.card { background: #ffffff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.about-card { padding: 24px; }
.icon-circle { width: 44px; height: 44px; border-radius: 50%; background: var(--surface); display: grid; place-items: center; font-size: 20px; margin-bottom: 10px; }

.checks { margin: 10px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.checks li { position: relative; padding-left: 26px; }
.checks li:before { content: "✔"; position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 700; }

/* Contact */
.contact-block p { margin-bottom: 10px; }
.contact-form .field { display: grid; gap: 6px; margin-bottom: 12px; }
.contact-form label { font-size: 13px; color: var(--muted); }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border);
  background: #fff; color: var(--text); transition: border-color 160ms ease, box-shadow 160ms ease;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
.contact-form ::placeholder { color: var(--muted); opacity: 1; font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(53,75,104,0.12); }
.form-note { font-size: 12px; color: var(--muted); margin-top: 8px; }

.socials { display: flex; gap: 10px; margin-top: 10px; }
.social { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 10px; background: var(--surface); color: var(--text); border: 1px solid var(--border); transition: background 160ms ease, color 160ms ease, border-color 160ms ease; }
.social:hover { background: #fff; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: #fbfcfe; padding: 28px 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; }
.footer-links { list-style: none; display: flex; gap: 14px; padding: 0; margin: 0; }
.muted { color: var(--muted); }

/* Floating Call Button */
.call-fab {
  position: fixed; right: 18px; bottom: 18px; width: 56px; height: 56px;
  border-radius: 50%; background: var(--brand); color: #fff; display: grid; place-items: center;
  box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,0.2);
  transition: transform 160ms ease, background 160ms ease; z-index: 80;
}
.call-fab:hover { transform: translateY(-2px); background: var(--brand-600); }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { justify-content: flex-start; }
  .hero-card { max-width: 100%; }
  .two-col { grid-template-columns: 1fr; }
  .grid.cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .section { padding: 56px 0; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .menu { position: fixed; inset: 68px 16px auto 16px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px; flex-direction: column; gap: 4px; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity 160ms ease, transform 160ms ease; }
  .nav.open .menu { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle { display: inline-block; }
}