nav {
  background: var(--black);
  opacity: 0.8;
}

#navbar ul li #discovernav {
  color: var(--gold);
  font-weight: bold;
}
/* **************** HERO SECTION **************** */

#iss-info-hero {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 40px 48px;
  gap: 40px;
}

#iss-hero-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#iss-hero-right {
  flex: 1;
}

#iss-info-hero img {
  width: 100%;
  /* border-radius: 10px;
  border: 1px solid rgba(var(--gold-rgb), 0.2); */
}

#iss-info-headline {
  padding-bottom: 30px;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--gold);
  line-height: 1.2;
}

#iss-info-tagline {
  padding-bottom: 30px;
  font-size: 1.1rem;
  color: var(--grey);
  line-height: 1.7;
  font-family: "Inter";
  font-weight: 400;
}

#iss-tracker-btn {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  background: rgba(var(--green-rgb), 0.15);
  border: 1px solid rgba(var(--green-rgb), 0.4);
  color: var(--green);
  padding: 8px 16px;
  border-radius: 6px;
  font-family: Share Tech Mono;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  width: 220px;
}

#tracker-btn-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: blink 1.5s infinite;
}

#iss-tracker-btn:hover {
  box-shadow: 0 0 20px rgba(var(--green-rgb), 0.5);
  transform: translateY(-4px);
}

/* **************** STATS **************** */

#iss-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 32px 48px;
  background: var(--navy);
  border-top: 1px solid rgba(var(--white-rgb), 0.05);
  border-bottom: 1px solid rgba(var(--white-rgb), 0.05);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}

.stat-number {
  font-family: Orbitron;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--gold);
  font-weight: 900;
}

.stat-label {
  font-family: Share Tech Mono;
  font-size: 15px;
  font-weight: bold;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey);
}

/* **************** PHOTO **************** */

#iss-history-layout {
  display: flex;
  gap: 40px;
  padding: 40px 48px;
  align-items: flex-start;
}

#iss-history-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

#iss-history-right {
  flex: 1;
  display: flex;
  justify-content: center;
}

#iss-history-right img {
  width: 60%;
  border-radius: 10px;
  border: 1px solid rgba(var(--gold-rgb), 0.2);
}

/* **************** TIMELINE **************** */

#timeline h3 {
  margin-bottom: 50px;
  color: var(--gold);
}

#timeline {
  position: relative;
  padding-left: 40px;
  padding-top: 30px;
  padding-bottom: 40px;
}

#timeline::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 90px;
  bottom: 30px;
  width: 1px;
  background: rgba(var(--gold-rgb), 0.3);
}

.timeline-item {
  position: relative;
  margin-bottom: 50px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.year {
  font-family: Share Tech Mono;
  font-size: 18px;
  color: var(--gold);
  min-width: 40px;
  padding-top: 2px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 6px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
}

.timeline-text {
  color: var(--grey);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* **************** FUN FACT **************** */

#iss-funfact {
  margin: 0 48px;
  padding: 20px 24px;
  background: rgba(var(--gold-rgb), 0.06);
  border: 1px solid rgba(var(--gold-rgb), 0.3);
  border-radius: 10px;
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 1.1rem;
  color: var(--grey);
  line-height: 1.7;
}
.funfact-label {
  font-family: Share Tech Mono;
  font-size: 20px;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
  padding-top: 4px;
  padding-right: 20px;
}

/* **************** CONTENT CARDS **************** */

#iss-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding: 40px 48px;
}

.iss-card-header {
  margin-bottom: 12px;
}

.iss-card-header h3 {
  color: var(--gold);
}

/* **************** SPACE SHUTTLE **************** */

#iss-shuttle {
  padding: 32px 48px;
  border-top: 1px solid rgba(var(--white-rgb), 0.05);
  border-bottom: 1px solid rgba(var(--white-rgb), 0.05);
  background: var(--navy);
}

#shuttle-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--gold);
  font-family: Share Tech Mono;
  font-size: 18px;
  letter-spacing: 0.05em;
  text-decoration: none;
  padding-top: 20px;
}

#shuttle-link:hover {
  color: var(--white);
}

#iss-shuttle h3 {
  padding-bottom: 20px;
}

/* **************** ISS TRACKER LINK **************** */

#iss-tracker-card {
  margin: 40px auto;
  padding: 24px 32px;
  background: rgba(var(--green-rgb), 0.06);
  border: 1px solid rgba(var(--green-rgb), 0.3);
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 900px;
}

#iss-track-headline {
  font-family: Orbitron;
  font-size: clamp(1rem, 2vw, 1.5rem);
  padding-bottom: 10px;
}

#iss-tracker-card-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 18px;
}

#iss-tracker-btn-bottom {
  background: var(--green);
  color: var(--black);
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  white-space: nowrap;
}

#iss-tracker-btn-bottom:hover {
  background: rgba(var(--green-rgb), 0.8);
}

#right-now {
  color: var(--green);
  font-weight: bold;
}

/* **************** STAR BG **************** */

.star {
  position: absolute;
  background: white;
  border-radius: 50%;
  animation: twinkle 3s infinite;
}

#stars-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* **************** ANIMATIONS **************** */

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.2;
  }
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.2;
  }
  50% {
    opacity: 1;
  }
}