:root {
  --page-bg: #f2f4f8;
  --blue-dark: #1f3f73;
  --blue: #2f5f9f;
  --blue-mid: #4f7fbd;
  --blue-light: #dfe9f7;
  --orange: #e98924;
  --orange-dark: #b96214;
  --white: #ffffff;
  --text: #1f2733;
  --muted: #5e6b7d;
  --border: #9fb4d0;
  --terminal-bg: #071109;
  --terminal-head: #18345f;
  --terminal-green: #65e67d;
  --terminal-amber: #ffb84d;
  --terminal-red: #ff5f5f;
  --mono: "Courier New", Courier, monospace;
  --sans: Verdana, Geneva, Tahoma, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  background:
    linear-gradient(180deg, #ffffff 0%, var(--page-bg) 44%, #e7edf6 100%);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(47, 95, 159, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 95, 159, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
}

a {
  color: var(--blue);
  text-decoration: none;
  font-weight: bold;
}

a:hover {
  color: var(--orange-dark);
  text-decoration: underline;
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px 16px;
}

.frame {
  width: min(900px, 100%);
  border: 1px solid var(--blue-dark);
  background: var(--white);
  box-shadow:
    0 0 0 4px rgba(47, 95, 159, 0.08),
    0 24px 70px rgba(31, 63, 115, 0.18);
}

.masthead {
  text-align: center;
  border-bottom: 1px solid var(--blue-dark);
  background:
    linear-gradient(180deg, #4f7fbd 0%, var(--blue) 50%, var(--blue-dark) 100%);
  color: var(--white);
}

.status-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 7px 12px;
  background: var(--orange);
  color: #fff7ec;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--orange-dark);
}

.hero-inner {
  padding: 34px 24px 30px;
}

.logo {
  display: inline-block;
  margin-bottom: 14px;
  padding: 7px 14px;
  border: 1px solid rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.13);
  color: #ffffff;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 22px;
  background: var(--blue-light);
  border-top: 4px solid var(--orange);
}

.terminal {
  border: 1px solid var(--blue-dark);
  background: var(--terminal-bg);
  font-family: var(--mono);
  color: var(--terminal-green);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
}

.terminal-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border-bottom: 1px solid #31527f;
  background: var(--terminal-head);
  color: #e7eef8;
  font-size: 12px;
}

.terminal-status {
  color: var(--terminal-green);
}

.terminal-body {
  padding: 14px 16px;
  font-size: 13px;
}

.terminal-line + .terminal-line {
  margin-top: 5px;
}

.prompt {
  color: var(--terminal-amber);
}

.terminal-danger {
  color: var(--terminal-red);
  font-weight: bold;
}

.terminal-progress {
  color: var(--terminal-amber);
}

.mission-box {
  border: 1px solid var(--border);
  background: #ffffff;
  padding: clamp(22px, 5vw, 44px);
  box-shadow:
    inset 0 0 0 1px #f7fbff,
    0 8px 22px rgba(31, 63, 115, 0.09);
}

.box-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: var(--blue-dark);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: bold;
}

.box-title::before,
.box-title::after {
  content: "";
  height: 1px;
  background: var(--orange);
  flex: 1;
}

.mission-box p {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text);
  font-size: clamp(15px, 2vw, 17px);
}

.mission-box p + p {
  margin-top: 16px;
}

.mission-box strong {
  color: var(--blue-dark);
  font-weight: bold;
}

.footer {
  padding: 12px;
  text-align: center;
  color: #ffffff;
  font-family: var(--mono);
  font-size: 11px;
  border-top: 1px solid var(--blue-dark);
  background: var(--blue-dark);
}

.footer span {
  color: var(--orange);
}

@media (max-width: 620px) {
  .terminal-head {
    display: block;
  }

  .terminal-status {
    margin-top: 4px;
  }
}