/* ═══════════════════════════════════════════
   HUB — Centro de Operaciones
   ═══════════════════════════════════════════ */

/* ─── HERO ─── */
.hero {
  padding: clamp(60px, 10vw, 110px) var(--page-px) clamp(40px, 6vw, 70px);
  max-width: var(--page-max);
  margin: 0 auto;
}

.hero-overline {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-overline::before {
  content: '';
  width: 36px;
  height: 2px;
  background: var(--blue-grad);
  border-radius: 1px;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(46px, 8vw, 84px);
  line-height: 0.96;
  letter-spacing: -2px;
  color: var(--ink);
  margin-bottom: 24px;
  max-width: 700px;
}

.hero-title em {
  font-style: italic;
  font-weight: 400;
  background: var(--blue-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  font-weight: 400;
  color: var(--ink-light);
  max-width: 500px;
  line-height: 1.75;
}

/* ─── PROGRESS ─── */
.progress-strip {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-px);
}

.progress-bar-outer {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.progress-text {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-muted);
  white-space: nowrap;
}

.progress-track {
  flex: 1;
  height: 4px;
  background: var(--rule);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--blue-grad);
  border-radius: 2px;
  width: 0%;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-pct {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 24px;
  color: var(--ink);
  min-width: 54px;
  text-align: right;
}

/* ─── MODULES ─── */
.modules {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) var(--page-px);
}

.module-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 0 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
  position: relative;
  cursor: pointer;
  align-items: start;
  border-radius: 0;
}

.module-item:first-child {
  border-top: 1px solid var(--rule);
}

.module-item:hover {
  background: var(--blue-wash);
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
  border-radius: 8px;
}

.module-number {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 34px;
  line-height: 1;
  color: var(--ink-faint);
  padding-top: 4px;
  transition: color 0.3s;
}

.module-item:hover .module-number {
  background: var(--blue-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.module-body {
  min-width: 0;
}

.module-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.tag-pending  { background: var(--paper-warm); color: var(--ink-muted); }
.tag-active   { background: var(--green-bg); color: var(--green); }
.tag-building { background: var(--amber-bg); color: var(--amber); }

.module-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.3px;
  margin-bottom: 6px;
  line-height: 1.25;
}

.module-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-muted);
  max-width: 520px;
}

.module-arrow {
  font-size: 22px;
  color: var(--ink-faint);
  align-self: center;
  transition: all 0.3s;
  font-family: var(--serif);
}

.module-item:hover .module-arrow {
  color: var(--blue);
  transform: translateX(6px);
}

/* ─── FEATURES ─── */
.features {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) var(--page-px);
}

.features-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 28px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.feature-item {
  padding: 28px 24px 28px 0;
  border-top: 1px solid var(--rule);
}

.feature-item:nth-child(2) {
  padding-left: 24px;
  padding-right: 24px;
  border-left: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
}

.feature-item:nth-child(3) {
  padding-left: 24px;
  padding-right: 0;
}

.feature-num {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 26px;
  color: var(--rule-dark);
  margin-bottom: 12px;
}

.feature-name {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 6px;
}

.feature-text {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ─── STACK ─── */
.stack-section {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-px) clamp(40px, 6vw, 60px);
}

.stack-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.stack-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.stack-techs {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.2px;
}

.stack-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stack-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-muted);
  padding: 4px 12px;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .module-item {
    grid-template-columns: 38px 1fr auto;
    gap: 0 14px;
  }
  .module-number { font-size: 22px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-item {
    padding: 20px 0 !important;
    border-left: none !important;
    border-right: none !important;
  }
  .stack-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}