:root {
  --dark: #111827;
  --mid: #374151;
  --light: #f9fafb;
  --accent: #f59e0b;
  --white: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  background: var(--light);
  line-height: 1.6;
}
a { color: inherit; }
.hero {
  background: linear-gradient(rgba(17,24,39,.86), rgba(17,24,39,.86)), url('hero-placeholder.jpg');
  background-size: cover;
  background-position: center;
  color: var(--white);
  min-height: 560px;
  padding: 24px;
}
.nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  font-weight: 800;
  font-size: 28px;
  letter-spacing: .5px;
}
.call {
  background: var(--accent);
  color: #111;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
}
.hero-content {
  max-width: 1100px;
  margin: 120px auto 0;
}
h1 {
  font-size: clamp(38px, 7vw, 72px);
  line-height: 1.05;
  max-width: 850px;
  margin: 0 0 20px;
}
.hero p {
  font-size: 22px;
  max-width: 720px;
  color: #e5e7eb;
}
.buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.btn {
  display: inline-block;
  text-decoration: none;
  padding: 14px 20px;
  border-radius: 8px;
  font-weight: 800;
}
.primary { background: var(--accent); color: #111; }
.secondary { border: 2px solid var(--white); color: var(--white); }
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 70px 24px;
}
.section h2 {
  font-size: 36px;
  margin: 0 0 24px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card, .box {
  background: var(--white);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(17,24,39,.08);
}
.card h3 { margin-top: 0; }
.split {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
  align-items: start;
}
.proof {
  background: var(--dark);
  color: var(--white);
  max-width: none;
  padding-left: calc((100% - 1100px)/2 + 24px);
  padding-right: calc((100% - 1100px)/2 + 24px);
}
.contact a {
  color: var(--dark);
  font-weight: 700;
}
.small { color: var(--mid); }
footer {
  background: #0b1220;
  color: #d1d5db;
  text-align: center;
  padding: 26px;
}
@media (max-width: 850px) {
  .grid, .split { grid-template-columns: 1fr; }
  .hero-content { margin-top: 90px; }
  .hero p { font-size: 18px; }
}