:root {
  --mf-primary: #0052ff;
  --mf-secondary: #00b6ff;
  --mf-dark: #0b1f3a;
  --mf-light: #f5f8fc;
  --mf-text: #13233b;
  --mf-muted: #5a6b86;
  --mf-border: rgba(11, 31, 58, 0.12);
  --mf-radius: 16px;
  --mf-radius-sm: 12px;
  --mf-shadow: 0 20px 60px rgba(11, 31, 58, 0.12);
  --mf-container: 1120px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--mf-text);
  background: #fff;
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: Montserrat, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.15;
  margin: 0 0 0.6rem;
  color: var(--mf-dark);
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.mf-container {
  width: min(var(--mf-container), calc(100% - 48px));
  margin-inline: auto;
}

.mf-main { padding: 48px 0; }
.mf-section { padding: 72px 0; }
.mf-section--alt { background: var(--mf-light); }

.mf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.mf-btn--primary {
  background: linear-gradient(135deg, var(--mf-primary), var(--mf-secondary));
  color: #fff;
  box-shadow: 0 10px 30px rgba(0, 82, 255, 0.25);
}
.mf-btn--secondary {
  background: #fff;
  border-color: var(--mf-border);
  color: var(--mf-dark);
}

.mf-grid { display: grid; gap: 18px; }
.mf-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mf-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mf-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.mf-card {
  border: 1px solid var(--mf-border);
  border-radius: var(--mf-radius);
  padding: 18px;
  background: #fff;
}
.mf-card__title { margin: 0 0 6px; font-weight: 800; }
.mf-muted { color: var(--mf-muted); }

.mf-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(11, 31, 58, 0.08);
}
.mf-site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 18px;
}
.mf-brand { display: inline-flex; align-items: center; gap: 10px; }
.mf-brand__name { font-weight: 900; letter-spacing: 0.5px; }
.mf-nav ul { list-style: none; display: flex; gap: 16px; padding: 0; margin: 0; align-items: center; }
.mf-nav a { font-weight: 700; color: var(--mf-dark); opacity: 0.9; }
.mf-nav a:hover { opacity: 1; text-decoration: none; }
.mf-header-actions { display: flex; gap: 10px; align-items: center; }

.custom-logo { height: 34px; width: auto; display: block; }
.custom-logo-link { display: inline-flex; align-items: center; }

.mf-hero {
  padding: 72px 0 84px;
  background: radial-gradient(1000px 420px at 20% 10%, rgba(0, 182, 255, 0.18), transparent 60%),
              radial-gradient(900px 380px at 80% 0%, rgba(0, 82, 255, 0.18), transparent 55%);
}
.mf-hero__grid { display: grid; gap: 28px; grid-template-columns: 1.15fr 0.85fr; align-items: center; }
.mf-hero__kicker { color: var(--mf-primary); font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; font-size: 12px; }
.mf-hero__title { font-size: clamp(34px, 4vw, 54px); }
.mf-hero__subtitle { font-size: 18px; color: var(--mf-muted); margin: 10px 0 18px; }
.mf-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.mf-hero__mock {
  border-radius: 24px;
  border: 1px solid rgba(11, 31, 58, 0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(245,248,252,0.9));
  box-shadow: var(--mf-shadow);
  min-height: 360px;
  position: relative;
  overflow: hidden;
}
.mf-hero__mock::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 182, 255, 0.25), transparent 45%),
              radial-gradient(circle at 70% 20%, rgba(0, 82, 255, 0.25), transparent 45%);
}
.mf-hero__mock-inner {
  position: relative;
  padding: 18px;
}
.mf-hero__mock-title {
  font-weight: 900;
  color: var(--mf-dark);
  margin-bottom: 10px;
}
.mf-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.mf-badge {
  font-size: 12px;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0, 82, 255, 0.08);
  color: var(--mf-primary);
  border: 1px solid rgba(0, 82, 255, 0.18);
}

.mf-site-footer {
  border-top: 1px solid rgba(11, 31, 58, 0.08);
  padding: 32px 0;
  background: #fff;
}
.mf-site-footer__grid { display: grid; gap: 16px; grid-template-columns: 1.2fr 0.8fr; align-items: start; }
.mf-footer-nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }

@media (max-width: 960px) {
  .mf-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mf-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mf-hero__grid { grid-template-columns: 1fr; }
  .mf-site-footer__grid { grid-template-columns: 1fr; }
  .mf-nav ul { flex-wrap: wrap; }
}
@media (max-width: 560px) {
  .mf-grid--2, .mf-grid--3, .mf-grid--4 { grid-template-columns: 1fr; }
}