/* Corporate Security — per-page CSS */

:root {
  --sd-ink: #1d2a44;
  --sd-ink-muted: #4b5b75;
  --sd-blue-900: #1d2f57;
  --sd-blue-600: #335aa5;
}

.service-detail-page { font-family: var(--font-body); color: var(--sd-ink); }
.sd-section { padding: 72px 0; }
.sd-container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.sd-section-muted { background: #f4f7fb; }
.sd-head { display: grid; gap: 10px; margin-bottom: 18px; text-align: center; }
.sd-head h2 { margin: 0; font-size: clamp(28px, 3vw, 42px); color: var(--sd-blue-900); }
.sd-head p { margin: 0 auto; max-width: 82ch; line-height: 1.6; color: var(--sd-ink-muted); }

/* HERO */
.sd-hero { position: relative; min-height: 460px; display: flex; align-items: center; overflow: hidden; }

.corp-hero-media {
  position: absolute; inset: 0;
  background-color: #080e1a;
  background-image:
    radial-gradient(1200px 500px at 15% 10%, rgba(20, 45, 95, 0.40), transparent 52%),
    radial-gradient(700px 400px at 85% 70%, rgba(50, 80, 150, 0.10), transparent 55%),
    linear-gradient(155deg, rgba(8, 14, 26, 0.97), rgba(18, 38, 78, 0.82));
}

.sd-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8, 14, 26, .92) 0%, rgba(8, 14, 26, .58) 50%, rgba(8, 14, 26, .12) 80%);
}

.sd-hero-inner { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding: 96px 24px 92px; }
.sd-kicker { letter-spacing: .12em; text-transform: uppercase; font-weight: 800; color: rgba(255,255,255,.92); font-size: 12px; }
.sd-h1 { font-size: clamp(38px, 4.2vw, 62px); line-height: 1.05; color: #fff; margin: 10px 0 14px; }
.sd-sub { max-width: 70ch; color: rgba(255,255,255,.92); line-height: 1.6; font-size: clamp(16px, 1.5vw, 20px); margin: 0 0 18px; }
.sd-hero-cta { margin-top: 8px; }

.sd-btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: 12px 18px;
  text-transform: uppercase; letter-spacing: .12em;
  font-weight: 800; font-size: 12px; text-decoration: none;
}
.sd-btn-primary { background: #1f4aa5; color: #fff; box-shadow: 0 14px 30px rgba(0,0,0,.16); }

.sd-prose { max-width: 92ch; margin: 0 auto; display: grid; gap: 12px; line-height: 1.7; color: var(--sd-ink-muted); }
.sd-prose p { margin: 0; }
.sd-prose h3 { margin: 8px 0 4px; font-size: 18px; color: var(--sd-blue-900); }

.sd-grid { display: grid; gap: 18px; margin-top: 18px; }
.sd-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.sd-card {
  border-radius: 18px; border: 1px solid rgba(70,90,120,.22);
  background: rgba(255,255,255,.75); box-shadow: 0 18px 38px rgba(0,0,0,.08);
  padding: 18px; display: grid; gap: 10px; min-height: 140px;
}
.sd-card h3 { margin: 0; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; color: var(--sd-blue-900); }
.sd-card p { margin: 0; line-height: 1.55; font-size: 14px; color: var(--sd-ink-muted); }

.sd-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.sd-step {
  border-radius: 18px; border: 1px solid rgba(70,90,120,.22);
  background: rgba(255,255,255,.75); box-shadow: 0 18px 38px rgba(0,0,0,.07);
  padding: 16px; display: grid; gap: 10px;
}
.sd-num {
  width: 34px; height: 34px; border-radius: 999px;
  border: 1px solid rgba(31,74,165,.30); background: rgba(31,74,165,.10);
  display: grid; place-items: center; font-weight: 900;
}
.sd-step h3 { margin: 0; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; color: var(--sd-blue-900); }
.sd-step p { margin: 0; line-height: 1.55; font-size: 14px; color: var(--sd-ink-muted); }

.sd-cta-block {
  border-radius: 20px; border: 1px solid rgba(70,90,120,.22);
  background: rgba(255,255,255,.78); box-shadow: 0 18px 38px rgba(0,0,0,.08);
  padding: 52px 48px; display: grid; gap: 14px; text-align: center;
}
.sd-cta-block h2 { margin: 0; font-size: clamp(24px, 2.8vw, 38px); color: var(--sd-blue-900); }
.sd-cta-block p { margin: 0 auto; max-width: 72ch; color: var(--sd-ink-muted); line-height: 1.65; }
.sd-cta-row { display: flex; justify-content: center; margin-top: 8px; }

.as-positioning { padding: 56px 0; background: #f4f7fb; }
.as-positioning .sd-container h2 { font-size: clamp(22px, 2.4vw, 34px); color: var(--sd-blue-900); margin: 0 0 10px; }
.as-positioning .sd-container p { max-width: 92ch; color: var(--sd-ink-muted); line-height: 1.7; margin: 0; }

@media (max-width: 900px) {
  .sd-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sd-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sd-cta-block { padding: 36px 24px; }
}
@media (max-width: 560px) {
  .sd-grid-4 { grid-template-columns: 1fr; }
  .sd-steps { grid-template-columns: 1fr; }
}