:root {
  --bg: #f4f8fb;
  --surface: #ffffff;
  --surface-alt: #0f3b5f;
  --text: #11324d;
  --muted: #587189;
  --accent: #0da4c9;
  --accent-dark: #0c87a7;
  --border: #d9e6ef;
  --success: #169b62;
}

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

body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(13, 164, 201, 0.10), transparent 30%),
    linear-gradient(180deg, #f9fcfe 0%, var(--bg) 100%);
}

.app-header {
  border-bottom: 1px solid rgba(17, 50, 77, 0.08);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
}

.app-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.app-brand {
  color: var(--text);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.app-nav {
  display: flex;
  gap: 1rem;
}

.app-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.app-shell {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.hero-copy,
.status-card,
.checklist-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(17, 50, 77, 0.08);
}

.hero-copy {
  padding: 2rem;
}

.hero-kicker {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(13, 164, 201, 0.12);
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

.hero-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.hero-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.status-card {
  padding: 1.5rem;
  background: linear-gradient(180deg, #123f67 0%, var(--surface-alt) 100%);
  color: #fff;
}

.status-label {
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-label:first-child {
  margin-top: 0;
}

.status-value {
  margin-top: 0.35rem;
  font-size: 1.2rem;
  font-weight: 700;
  word-break: break-word;
}

.status-value-small {
  font-size: 1rem;
}

.checklist-card {
  margin-top: 1.5rem;
  padding: 1.75rem 2rem;
}

.checklist-card h2 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  font-weight: 800;
}

.phase-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.phase-checklist li {
  position: relative;
  padding-left: 1.75rem;
  margin-top: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

.phase-checklist li:first-child {
  margin-top: 0;
}

.phase-checklist li::before {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: 0;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0.2rem rgba(22, 155, 98, 0.14);
}

.app-footer {
  padding: 1.5rem 0 2rem;
  color: var(--muted);
}

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