:root {
  --empire-navy: #0f2c44;
  --empire-teal: #1f7a6c;
  --empire-teal-dark: #176357;
  --empire-ink: #1a2330;
  --empire-mist: #e8eef3;
  --empire-sand: #f3f0ea;
}

html {
  font-size: 16px;
  position: relative;
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--empire-ink);
  background:
    radial-gradient(circle at top left, rgba(31, 122, 108, 0.08), transparent 28%),
    linear-gradient(180deg, #f7f9fb 0%, var(--empire-sand) 100%);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

main {
  flex: 1 0 auto;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem #fff, 0 0 0 0.25rem rgba(31, 122, 108, 0.35);
}

.empire-nav {
  background: linear-gradient(90deg, var(--empire-navy), #16384f);
}

.navbar-brand,
.nav-link {
  letter-spacing: 0.02em;
}

.hero-panel {
  position: relative;
  min-height: 78vh;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 78vh;
  object-fit: cover;
  display: block;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(180deg, rgba(15, 44, 68, 0.15) 0%, rgba(15, 44, 68, 0.82) 100%);
}

.hero-content {
  padding-bottom: 4rem;
  max-width: 760px;
  color: #fff;
}

.hero-brand {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 500;
  margin-bottom: 1rem;
}

.hero-lead {
  font-size: 1.1rem;
  max-width: 36rem;
  margin-bottom: 1.5rem;
  opacity: 0.95;
}

.page-header {
  padding: 3.5rem 0 2rem;
  background: linear-gradient(120deg, rgba(15, 44, 68, 0.08), rgba(31, 122, 108, 0.08));
  border-bottom: 1px solid rgba(15, 44, 68, 0.08);
}

.page-header-media {
  position: relative;
  padding: 0;
  min-height: 280px;
  overflow: hidden;
  border-bottom: 0;
}

.page-header-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.page-header-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding-bottom: 2rem;
  background: linear-gradient(180deg, rgba(15, 44, 68, 0.2), rgba(15, 44, 68, 0.78));
}

.page-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--empire-navy);
  margin-bottom: 0.5rem;
}

.page-lead {
  margin: 0;
  max-width: 40rem;
  color: #4a5563;
}

.section-title {
  color: var(--empire-navy);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-copy {
  color: #44505c;
  line-height: 1.7;
}

.feature-tile {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 44, 68, 0.08);
  border-radius: 0.75rem;
  padding: 1.25rem 1.35rem;
}

.empire-band {
  background: linear-gradient(180deg, rgba(15, 44, 68, 0.04), rgba(31, 122, 108, 0.08));
}

.portfolio-thumb {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid rgba(15, 44, 68, 0.1);
  box-shadow: 0 12px 30px rgba(15, 44, 68, 0.12);
}

.btn-empire {
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--empire-teal);
  --bs-btn-border-color: var(--empire-teal);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--empire-teal-dark);
  --bs-btn-hover-border-color: var(--empire-teal-dark);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--empire-teal-dark);
  --bs-btn-active-border-color: var(--empire-teal-dark);
}

.btn-outline-empire {
  --bs-btn-color: var(--empire-navy);
  --bs-btn-border-color: var(--empire-navy);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--empire-navy);
  --bs-btn-hover-border-color: var(--empire-navy);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--empire-navy);
  --bs-btn-active-border-color: var(--empire-navy);
}

.empire-footer {
  background: var(--empire-navy);
  color: rgba(255, 255, 255, 0.82);
}

.empire-footer a {
  color: #9ed7cc;
  text-decoration: none;
}

.empire-footer a:hover {
  color: #fff;
}

@media (max-width: 767.98px) {
  .hero-content {
    padding-bottom: 2.5rem;
  }

  .hero-panel,
  .hero-image {
    min-height: 70vh;
    height: 70vh;
  }
}