/* ============================================
   Components
   ============================================ */

/* --- Navigation --- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-5);
  transition: background-color var(--duration-normal) var(--ease-out),
              padding var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
  background-color: rgba(12, 27, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding-block: var(--space-3);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-text-on-dark);
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.nav__postnominals {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-wide);
  color: var(--midnight-300);
}

@media (max-width: 900px) {
  .nav__postnominals { display: none; }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  color: var(--midnight-300);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-text-on-dark);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav__toggle-line {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--color-text-on-dark);
  margin: 6px 0;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-fast);
}

.nav__toggle.active .nav__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle.active .nav__toggle-line:nth-child(2) {
  opacity: 0;
}
.nav__toggle.active .nav__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(80vw, 300px);
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-10);
    background-color: var(--midnight-950);
    transition: right var(--duration-slow) var(--ease-out);
    padding: var(--space-16);
  }
  .nav__links.open { right: 0; }
  .nav__link { font-size: var(--text-sm); }
}

/* --- Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--champagne-400);
  outline-offset: 3px;
}

.btn--primary {
  background-color: var(--color-brand-accent);
  color: var(--midnight-950);
}

.btn--primary:hover {
  background-color: var(--champagne-500);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(184, 148, 95, 0.25);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-on-dark);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn--outline:hover {
  border-color: var(--champagne-400);
  color: var(--champagne-400);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--neutral-200);
  padding: var(--space-2) var(--space-4);
  font-size: 0.6875rem;
}

.btn--ghost:hover {
  border-color: var(--color-brand-accent);
  color: var(--color-brand-accent);
}

/* --- Stat --- */

.stat {
  text-align: center;
}

.stat__value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  color: var(--color-brand-accent);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-on-dark-muted);
  letter-spacing: var(--tracking-wide);
  font-weight: var(--weight-light);
}

/* --- Traffic Light --- */

.traffic-light {
  display: flex;
  gap: var(--space-1);
}

.traffic-light__item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.traffic-light__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.traffic-light__dot--green { background-color: var(--green-400); }
.traffic-light__dot--amber { background-color: var(--amber-400); }
.traffic-light__dot--red { background-color: var(--red-400); }

.traffic-light__text {
  font-size: var(--text-sm);
  color: var(--midnight-200);
  font-weight: var(--weight-light);
  line-height: var(--leading-snug);
}

.traffic-light__text strong {
  font-weight: var(--weight-medium);
  color: var(--color-text-on-dark);
}

@media (max-width: 640px) {
  .traffic-light { flex-direction: column; }
}

/* --- Publication --- */

.pub {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-4);
  align-items: baseline;
}

.pub:last-child { border-bottom: none; }

.pub__year {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-wide);
  padding-top: 0.15em;
}

.pub__body {}

.pub__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-regular);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-1);
}

.pub__journal {
  font-size: var(--text-xs);
  font-style: italic;
  color: var(--color-text-accent);
}

/* --- Contact Channel --- */

.contact__channel {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: var(--text-sm);
  color: var(--midnight-300);
  transition: border-color var(--duration-fast) var(--ease-out);
  font-weight: var(--weight-light);
}

.contact__channel:hover {
  border-color: rgba(184, 148, 95, 0.25);
}

.contact__channel strong {
  color: var(--color-text-on-dark);
  font-weight: var(--weight-regular);
}

/* --- Footer --- */

.footer {
  background-color: var(--midnight-950);
  color: var(--midnight-400);
  padding-block: var(--space-12);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-8);
}

.footer__text {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__link {
  font-size: var(--text-xs);
  color: var(--midnight-400);
  letter-spacing: var(--tracking-wide);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__link:hover {
  color: var(--champagne-400);
}

@media (max-width: 640px) {
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
}

/* --- Reveal --- */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal.visible,
.no-js .reveal {
  opacity: 1;
  transform: translateY(0);
}

/* Fallback: if JS hasn't initialized reveals within 2s, show everything */
@keyframes revealFallback {
  to { opacity: 1; transform: translateY(0); }
}
.reveal:not(.visible) {
  animation: revealFallback 0s 2s forwards;
}

.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }
.reveal--delay-3 { transition-delay: 240ms; }