:root {
  --oe-navy: #000887;
  --oe-deep: #050b48;
  --oe-blue: #2436d9;
  --oe-gold: #ffc400;
  --oe-paper: #f4f7ff;
  --oe-line: #dfe7ff;
  --oe-muted: #61709c;
  --oe-white: #ffffff;
  --oe-shadow: 0 28px 80px rgba(0, 8, 135, .16);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--oe-deep);
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at 12% 12%, rgba(255, 196, 0, .18), transparent 25%),
    radial-gradient(circle at 90% 18%, rgba(36, 54, 217, .14), transparent 24%),
    linear-gradient(135deg, #fbfcff 0%, #eef3ff 52%, #ffffff 100%);
}

.oe-clean-page {
  padding: clamp(36px, 6vw, 86px) clamp(18px, 5vw, 64px) 90px;
}

.oe-clean-hero,
.oe-clean-grid,
.oe-contact-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.oe-clean-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 74px);
  border-radius: 34px;
  color: #fff;
  background:
    radial-gradient(circle at 84% 18%, rgba(255, 196, 0, .26), transparent 22%),
    radial-gradient(circle at 8% 12%, rgba(255,255,255,.18), transparent 22%),
    linear-gradient(135deg, #000887 0%, #111b92 58%, #050b48 100%);
  box-shadow: var(--oe-shadow);
}

.oe-clean-hero:after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
}

.oe-pill {
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--oe-gold);
  border: 1px solid rgba(255, 196, 0, .42);
  background: rgba(255, 255, 255, .1);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.oe-clean-hero h1 {
  max-width: 920px;
  margin: 22px 0 16px;
  font-size: clamp(36px, 6vw, 82px);
  line-height: .96;
  letter-spacing: -.055em;
}

.oe-clean-hero p {
  max-width: 760px;
  margin: 0 0 28px;
  color: rgba(255,255,255,.82);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.65;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 42px rgba(0,8,135,.18);
}

.btn-primary {
  color: #111;
  background: linear-gradient(135deg, #ffcf40, var(--oe-gold));
}

.oe-clean-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.oe-clean-grid article,
.oe-contact-card {
  padding: 26px;
  border: 1px solid var(--oe-line);
  border-radius: 26px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 18px 46px rgba(8,21,97,.08);
}

.oe-clean-grid strong,
.oe-contact-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--oe-navy);
  font-size: 21px;
}

.oe-clean-grid p,
.oe-contact-card p {
  margin: 0;
  color: var(--oe-muted);
  line-height: 1.65;
}

.oe-contact-shell {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  margin-top: 28px;
}

.oe-contact-list {
  display: grid;
  gap: 14px;
}

.oe-contact-row {
  padding: 18px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--oe-line);
}

.oe-contact-row span {
  display: block;
  color: var(--oe-muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.oe-contact-row a,
.oe-contact-row b {
  display: inline-block;
  margin-top: 6px;
  color: var(--oe-navy);
  font-size: 18px;
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 900px) {
  .oe-clean-grid,
  .oe-contact-shell {
    grid-template-columns: 1fr;
  }
}
