/* EB Construction — hub
 *
 * Temporary switchboard: two doors, nothing else. Same brand chain as the rest
 * of the project, so it cannot drift from the tokens.
 *
 *   assets/brand/*.pdf → design-system/tokens/*.css → css/hub.css → index.html
 */

@import url("../design-system/tokens/color.css");
@import url("../design-system/tokens/type.css");
@import url("../design-system/tokens/layout.css");

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--surface-inverse);
  color: var(--text-on-navy);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2 { margin: 0; font-weight: var(--weight-bold); }
p { margin: 0; }
a { text-decoration: none; color: inherit; }

:focus-visible {
  outline: var(--focus-ring-width) solid var(--eb-white);
  outline-offset: 3px;
}

/* Faint blueprint grid — drawn from the navy ramp, no image, no second color. */
.hub {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.hub::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--navy-700) var(--border-width), transparent var(--border-width)),
    linear-gradient(to bottom, var(--navy-700) var(--border-width), transparent var(--border-width));
  background-size: 64px 64px;
  opacity: 0.5;
  pointer-events: none;
}

.hub__inner {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-9);
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding: var(--space-9) var(--space-7) var(--space-8);
}

.hub__head { text-align: center; }
.hub__wordmark {
  display: block;
  font-size: clamp(1.125rem, 3.4vw, 1.75rem);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--eb-white);
}
.hub__kicker {
  display: block;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-micro);
  color: var(--navy-200);
}

/* The two doors. */
.doors {
  flex: 1;
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: center;
}

/* One door shouldn't sit in half a two-column grid. */
.doors--one { grid-template-columns: minmax(0, 1fr); }

.door {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-8);
  min-height: 300px;
  padding: var(--space-8);
  border: 2px solid var(--border-on-navy);
  border-radius: var(--radius-md);
  background: transparent;
  transition: background var(--duration-base) var(--easing),
              border-color var(--duration-base) var(--easing),
              transform var(--duration-fast) var(--easing);
}
.door:hover {
  background: var(--navy-700);
  border-color: var(--eb-white);
}
.door:active { transform: translateY(1px); }

.door__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-micro);
  color: var(--navy-200);
}
.door__title {
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--eb-white);
}
.door__body {
  margin-top: var(--space-4);
  font-size: 1rem;
  color: var(--navy-200);
}
.door__go {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-micro);
  color: var(--eb-white);
}
.door__icon { width: 18px; height: 18px; flex: none; }

/* The application door has nothing behind it yet, and says so. */
.door--empty { border-style: dashed; }
.door--empty .door__go { color: var(--navy-200); }

.hub__foot {
  position: relative;
  z-index: 1;
  padding: var(--space-5) var(--space-7);
  border-top: var(--border-width) solid var(--border-on-navy);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-micro);
  color: var(--navy-200);
  text-align: center;
}

@media (max-width: 780px) {
  /* DejaVu Sans is wide — the wordmark otherwise runs to the gutters at 375px. */
  .hub__wordmark { font-size: clamp(1.25rem, 6.2vw, 1.75rem); }
  .doors { grid-template-columns: minmax(0, 1fr); }
  .door { min-height: 200px; padding: var(--space-6); }
  .hub__inner { padding: var(--space-7) var(--space-5) var(--space-6); gap: var(--space-7); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0ms !important; }
}