/* Sticky Navigation */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: saturate(120%) blur(12px);
  -webkit-backdrop-filter: saturate(120%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 300ms ease, border-color 300ms ease;
}

.site-nav.scrolled {
  background: rgba(255, 255, 255, 0.7);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

.nav-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--slate-900);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-name:hover {
  color: var(--accent);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-score {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  opacity: 0.85;
  transition: opacity 200ms ease;
  letter-spacing: 0.02em;
  user-select: none;
  position: relative;
  top: -0.5px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.site-score:hover { opacity: 1; }

.site-score-tooltip {
  position: absolute;
  top: 50%;
  left: calc(100% + 8px);
  transform: translateY(-50%) translateX(-4px);
  background: var(--slate-900);
  color: var(--white);
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
}

.site-score-tooltip::before {
  content: '';
  position: absolute;
  top: 50%;
  right: 100%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-right-color: var(--slate-900);
}

.site-score:hover .site-score-tooltip,
.site-score:focus-visible .site-score-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.site-score.pop {
  animation: scorePop 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scorePop {
  0% { transform: scale(1); }
  40% { transform: scale(1.35); color: var(--accent); }
  100% { transform: scale(1); }
}

/* Points Modal */
.score-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 300ms ease;
  padding: var(--space-4);
}

.score-modal-overlay[hidden] {
  display: none;
}

.score-modal-overlay.visible {
  opacity: 1;
}

.score-modal {
  background: var(--white);
  border-radius: 16px;
  max-width: 480px;
  width: 100%;
  padding: var(--space-8);
  position: relative;
  transform: translateY(12px) scale(0.97);
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 85vh;
  overflow-y: auto;
}

.score-modal-overlay.visible .score-modal {
  transform: translateY(0) scale(1);
}

.score-modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--slate-400);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background 200ms ease, color 200ms ease;
}

.score-modal-close:hover {
  background: var(--slate-100);
  color: var(--slate-900);
}

.score-modal h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.score-modal p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--slate-900);
  margin-bottom: var(--space-4);
}

.score-modal h4 {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.score-formula {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.score-formula-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--slate-50);
  border-radius: 8px;
  font-size: 0.8125rem;
}

.score-formula-row .sf-action {
  color: var(--slate-900);
  font-weight: 500;
}

.score-formula-row .sf-pts {
  color: var(--accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.score-formula-row.sf-egg {
  cursor: pointer;
  transition: transform 150ms ease;
}
.score-formula-row.sf-egg:hover .sf-pts {
  color: var(--accent-secondary);
  animation: eggPulse 600ms ease;
}
@keyframes eggPulse {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.18); }
  70%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

.egg-video-overlay {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(0, 0, 0, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 400ms ease;
  pointer-events: none;
}
.egg-video-overlay.visible {
  background: rgba(0, 0, 0, 0.92);
  pointer-events: auto;
}
.egg-video-overlay video {
  max-width: min(90vw, 640px);
  max-height: 80vh;
  border-radius: 8px;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 500ms ease 100ms, transform 500ms ease 100ms;
}
.egg-video-overlay.visible video {
  opacity: 1;
  transform: scale(1);
}

@media (max-width: 768px) {
  .nav-left { gap: var(--space-3, 12px); }
  .site-score { font-size: 0.8rem; }
  .score-modal { padding: var(--space-6); }
}

/* ── Theme Sidebar ───────────────────────────────────── */
.theme-sidebar {
  position: fixed;
  left: 24px;
  top: 30vh;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: top 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-pill {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  padding: 0;
  cursor: pointer;
  position: relative;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 250ms cubic-bezier(0.16, 1, 0.3, 1),
              border-color 300ms ease,
              box-shadow 250ms ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.theme-pill:hover {
  transform: scale(1.12);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.theme-pill-dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--slate-900);
  transition: background 300ms ease;
}

@keyframes eyeBlink {
  0%   { transform: scaleY(1); }
  42%  { transform: scaleY(1); }
  46%  { transform: scaleY(0.08); }
  52%  { transform: scaleY(1); }
  100% { transform: scaleY(1); }
}

.theme-pill.blink {
  animation: eyeBlink 1.2s ease-in-out forwards;
}

.theme-options {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  transition: max-height 280ms cubic-bezier(0.16, 1, 0.3, 1),
              opacity 200ms ease;
}

.theme-sidebar.open .theme-options {
  max-height: 160px;
  opacity: 1;
  pointer-events: auto;
  transition: max-height 350ms cubic-bezier(0.16, 1, 0.3, 1),
              opacity 250ms ease 60ms;
}

.theme-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--dot-color);
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-8px) scale(0.5);
  transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1),
              opacity 280ms ease,
              border-color 200ms ease,
              box-shadow 200ms ease;
  flex-shrink: 0;
}

.theme-sidebar.open .theme-dot {
  opacity: 0.55;
  transform: translateY(0) scale(1);
}

.theme-sidebar.open .theme-dot:nth-child(1) { transition-delay: 0ms; }
.theme-sidebar.open .theme-dot:nth-child(2) { transition-delay: 50ms; }
.theme-sidebar.open .theme-dot:nth-child(3) { transition-delay: 100ms; }
.theme-sidebar.open .theme-dot:nth-child(4) { transition-delay: 150ms; }

.theme-sidebar:not(.open) .theme-dot {
  transition-delay: 0ms;
  transition-duration: 180ms;
}

.theme-dot:hover {
  opacity: 1 !important;
  transform: scale(1.2);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.theme-dot.active {
  opacity: 1 !important;
  border-color: rgba(255, 255, 255, 0.4);
}

/* Mobile: inside nav, to the left of hamburger */
@media (max-width: 768px) {
  .theme-sidebar {
    position: static;
    flex-direction: row-reverse;
    align-items: center;
    order: 2;
    background: none;
    padding: 0;
    margin: 0 10px 0 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: auto;
    flex-shrink: 0;
  }
  .nav-hamburger { order: 3; }
  .theme-pill {
    width: 22px;
    height: 22px;
    transition: border-color 300ms ease;
  }
  .theme-sidebar.open .theme-pill {
    border-color: var(--slate-900);
  }
  .theme-pill-dot {
    width: 9px;
    height: 9px;
    transition: background 300ms ease;
  }
  .theme-sidebar.open .theme-pill-dot {
    background: var(--accent);
  }
  .theme-options {
    flex-direction: row;
    gap: 10px;
    max-height: none;
    max-width: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-width 280ms cubic-bezier(0.16, 1, 0.3, 1),
                opacity 200ms ease;
  }
  .theme-sidebar.open .theme-options {
    max-width: 140px;
    opacity: 1;
    transition: max-width 350ms cubic-bezier(0.16, 1, 0.3, 1),
                opacity 250ms ease 60ms;
  }
  .theme-dot {
    width: 16px;
    height: 16px;
    transform: translateX(6px) scale(0.5);
  }
  .theme-sidebar.open .theme-dot {
    transform: translateX(0) scale(1);
  }
  .nav-left {
    margin-right: auto;
  }
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.nav-links a {
  font-size: 0.8125rem;
  color: var(--slate-900);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding-bottom: 2px;
  transition: color 200ms ease, transform 200ms ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-links a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active::after {
  transform: scaleX(1);
}

/* Hamburger menu toggle — mobile only */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 1002;
  padding: 0;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--slate-900);
  border-radius: 1px;
  position: absolute;
  left: 0;
  transition: transform 300ms ease, opacity 200ms ease;
}

.nav-hamburger span:nth-child(1) { top: 0; }
.nav-hamburger span:nth-child(2) { top: 9px; background: var(--accent); }
.nav-hamburger span:nth-child(3) { top: 18px; }

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
  background: var(--accent);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nav-name-short { display: none; }

.nav-mobile-header {
  display: none;
}

@media (max-width: 768px) {
  .nav-hamburger { display: block; }
  .nav-name { font-size: 0.9375rem; }
  .nav-name-full { display: none; }
  .nav-name-short { display: inline; }

  .nav-links {
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    display: grid;
    grid-template-columns: auto auto;
    column-gap: var(--space-10, 40px);
    row-gap: 0;
    justify-content: start;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: saturate(120%) blur(16px);
    -webkit-backdrop-filter: saturate(120%) blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: var(--space-4) var(--space-6) var(--space-4) 22%;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 350ms cubic-bezier(0.16, 1, 0.3, 1), opacity 250ms ease;
    z-index: 999;
  }

  .nav-links.mobile-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-mobile-header {
    display: none;
  }

  .nav-mobile-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    color: var(--slate-900);
    letter-spacing: -0.01em;
  }

  .nav-mobile-score {
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.02em;
  }

  .nav-links li {
    text-align: left;
  }

  .nav-links a {
    display: block;
    padding: var(--space-2) var(--space-2);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: 8px;
    transition: background 150ms ease, color 150ms ease;
  }

  .nav-links a:hover {
    background: var(--accent-light);
    transform: none;
  }

  .nav-links a::after {
    display: none;
  }
}

/* Scroll target offset for fixed nav */
section[id] {
  scroll-margin-top: 60px;
}