/* ============================================================
   travel.css — styles for travel.html
   Loads after style.css and liquid-glass.css; glass colors come
   exclusively from the --lg-* tokens, page palette from style.css.
   ============================================================ */

/* ---------- page-scoped tokens (map inks) ---------- */
:root {
  --map-land: rgba(255, 255, 255, 0.05);
  --map-land-hover: rgba(255, 255, 255, 0.14);
  --map-border: rgba(255, 255, 255, 0.1);
  --map-glow: rgba(128, 0, 255, 0.55);
  /* passport-stamp inks (dark theme) */
  --ink-purple: #b18cff;
  --ink-blue: #7fcdff;
  --ink-pink: #e08ae6;
}

.light-mode {
  --map-land: rgba(0, 0, 0, 0.06);
  --map-land-hover: rgba(0, 0, 0, 0.13);
  --map-border: rgba(0, 0, 0, 0.12);
  --map-glow: rgba(128, 0, 255, 0.3);
  /* deeper inks so stamps read on the light paper background */
  --ink-purple: #6a2fd0;
  --ink-blue: #1273ab;
  --ink-pink: #ab309b;
}

/* ---------- layout ---------- */
.travel-content {
  max-width: 1140px;
  margin: 0 auto;
  padding: 160px 24px 40px;
}

.subpage-header {
  display: block;
  height: auto;
  margin-bottom: 70px;
  text-align: center;
}

.travel-heading {
  display: inline-block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 4.8rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(
    -45deg,
    var(--color-light-blue),
    var(--color-light-purple),
    var(--color-light-blue),
    var(--color-light-purple)
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 400% 400%;
  animation: gradient 3s infinite; /* @keyframes gradient lives in style.css */
}

.subpage-subtitle {
  font-family: "Inter", sans-serif;
  font-size: 1.7rem;
  font-weight: 400;
  color: var(--color-white);
  opacity: 0.5;
  line-height: 1.6;
  max-width: 640px;
  margin: 0 auto;
}

.travel-section {
  margin-bottom: 130px;
}

.travel-section .section-heading {
  margin-bottom: 18px;
}

.travel-section-sub {
  font-family: "Inter", sans-serif;
  font-size: 1.6rem;
  color: var(--color-white);
  opacity: 0.5;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 620px;
}

/* ---------- stats strip ---------- */
.travel-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 24px;
  margin-bottom: 120px;
}

.stat-tile {
  padding: 34px 26px 30px;
  text-align: center;
}

.stat-value {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
}

.stat-num {
  font-size: 5.2rem;
  background: linear-gradient(
    120deg,
    var(--color-light-blue),
    var(--color-light-purple)
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-denom {
  font-size: 2rem;
  color: var(--color-white);
  opacity: 0.35;
  margin-left: 4px;
}

.stat-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-purple);
  margin-bottom: 6px;
}

.light-mode .stat-label {
  color: #6a2fd0;
}

.stat-sub {
  font-family: "Inter", sans-serif;
  font-size: 1.3rem;
  color: var(--color-white);
  opacity: 0.4;
}

/* ---------- map panels ---------- */
.map-panel {
  padding: clamp(20px, 4vw, 48px);
}

.map-holder {
  width: 100%;
}

.map-holder svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.map-fallback {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.4rem;
  color: var(--color-white);
  opacity: 0.45;
  text-align: center;
  padding: 60px 20px;
}

/* ----- US map ----- */
#us-map svg g.state path,
#us-map svg circle[class~="dc"] {
  fill: var(--map-land);
  transition: fill var(--lg-dur-fast) var(--lg-ease);
}

#us-map svg g.borders path {
  fill: none;
  stroke: var(--map-border);
  stroke-width: 1;
  stroke-linejoin: round;
  pointer-events: none;
}

#us-map svg circle[class~="dc"] {
  stroke: var(--map-border);
  stroke-width: 1;
}

#us-map svg .separator1 {
  fill: none;
  stroke: var(--map-border);
  stroke-width: 1.4;
  stroke-dasharray: 5 5;
  pointer-events: none;
}

/* ----- world map ----- */
#world-map svg path,
#world-map svg circle {
  fill: var(--map-land);
  stroke: var(--map-border);
  stroke-width: 0.5;
  fill-rule: evenodd;
  transition: fill var(--lg-dur-fast) var(--lg-ease);
}

/* ----- shared visited / hover behaviour ----- */
#us-map svg g.state path.hovered,
#us-map svg circle[class~="dc"].hovered,
#world-map svg path.hovered,
#world-map svg circle.hovered {
  fill: var(--map-land-hover);
}

.map-holder svg .is-visited {
  transform-box: fill-box;
  transform-origin: center;
  filter: drop-shadow(0 0 5px var(--map-glow));
}

/* until the panel scrolls into view the visited shapes wait, unlit */
.map-holder svg:not(.map-lit) .is-visited {
  opacity: 0;
}

.map-holder svg.map-lit .is-visited {
  animation: map-pop 0.7s var(--lg-spring) both;
  animation-delay: var(--d, 0ms);
}

@keyframes map-pop {
  0% {
    opacity: 0;
    transform: scale(0.72);
  }
  60% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.map-holder svg .is-visited.hovered {
  filter: drop-shadow(0 0 12px var(--map-glow)) brightness(1.25);
}

.map-holder svg .pulse {
  animation: map-pulse 1.1s var(--lg-ease) infinite;
}

@keyframes map-pulse {
  0%,
  100% {
    filter: drop-shadow(0 0 4px var(--map-glow)) brightness(1);
  }
  50% {
    filter: drop-shadow(0 0 16px var(--map-glow)) brightness(1.5);
  }
}

/* ---------- glass tooltip ---------- */
.travel-tooltip {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  gap: 9px;
  pointer-events: none;
  padding: 9px 16px;
  border-radius: var(--lg-radius-pill);
  font-family: "JetBrains Mono", monospace;
  font-size: 1.3rem;
  white-space: nowrap;
  color: var(--color-white);
  background: var(--lg-bg-strong);
  -webkit-backdrop-filter: blur(var(--lg-blur)) saturate(var(--lg-saturate));
  backdrop-filter: blur(var(--lg-blur)) saturate(var(--lg-saturate));
  border: 1px solid var(--lg-border);
  box-shadow: var(--lg-shadow), inset 0 1px 0 var(--lg-edge-top);
  opacity: 0;
  transform: translateY(6px) scale(0.94);
  transition:
    opacity var(--lg-dur-fast) var(--lg-ease),
    transform var(--lg-dur-fast) var(--lg-spring);
}

.travel-tooltip.show {
  opacity: 1;
  transform: none;
}

.tt-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--map-border);
  flex-shrink: 0;
}

.tt-dot-visited {
  background: linear-gradient(
    135deg,
    var(--color-purple),
    var(--color-light-blue)
  );
  box-shadow: 0 0 8px var(--map-glow);
}

.tt-badge {
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.5;
}

/* ---------- passport-stamp wall ---------- */
.stamp-panel {
  padding: clamp(24px, 4vw, 48px);
}

.stamp-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  padding: 12px 0 4px;
}

.park-stamp {
  width: 168px;
  height: 168px;
  opacity: 0;
  transform: rotate(var(--rot, 0deg)) scale(1.6);
}

.stamp-wall.stamped .park-stamp {
  animation: stamp-in 0.55s var(--lg-spring) both;
  animation-delay: var(--stamp-delay, 0ms);
}

@keyframes stamp-in {
  0% {
    opacity: 0;
    transform: rotate(var(--rot, 0deg)) scale(1.6);
  }
  55% {
    opacity: 1;
  }
  100% {
    opacity: 0.92;
    transform: rotate(var(--rot, 0deg)) scale(1);
  }
}

.park-stamp svg.stamp-art {
  width: 100%;
  height: 100%;
  filter: url(#stamp-rough);
  transition: transform var(--lg-dur) var(--lg-spring);
}

.park-stamp:hover svg.stamp-art {
  transform: scale(1.07);
}

.ink-0 {
  --ink: var(--ink-purple);
}
.ink-1 {
  --ink: var(--ink-blue);
}
.ink-2 {
  --ink: var(--ink-pink);
}

.park-stamp .stamp-ring,
.park-stamp .stamp-glyph {
  stroke: var(--ink);
}

.park-stamp text {
  fill: var(--ink);
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.park-stamp .stamp-arc-small {
  letter-spacing: 0.1em;
  font-weight: 500;
}

.park-stamp .stamp-year {
  font-size: 17px;
  letter-spacing: 0.3em;
}

.stamp-caption {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.3rem;
  color: var(--color-white);
  opacity: 0.45;
  text-align: center;
  margin-top: 34px;
}

/* ---------- flag chips ---------- */
.flag-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 30px;
}

.flag-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-white);
  cursor: pointer;
}

.flag-chip .flag {
  font-size: 1.8rem;
  line-height: 1;
}

/* ---------- field notes (photo gallery) ---------- */
.travel-gallery .grid-container {
  margin-top: 0;
}

.travel-gallery .grid-item {
  border-radius: 22px;
  border: 1px solid var(--lg-border);
  background: var(--lg-bg);
  box-shadow: var(--lg-shadow), inset 0 1px 0 var(--lg-edge-top);
  padding: 10px;
}

.travel-gallery .grid-img {
  border-radius: 13px; /* concentric with the 22px frame minus padding */
}

/* ---------- subpage footer (mirrors blog/playground) ---------- */
.subpage-footer {
  border-top: 1px solid var(--tech-stack-box-border-color);
  padding: 60px 24px;
  text-align: center;
}

.subpage-footer-heading {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 24px;
  font-family: "JetBrains Mono", monospace;
  background: -webkit-linear-gradient(
    135deg,
    var(--color-light-blue),
    var(--color-light-purple)
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subpage-footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 24px;
}

.subpage-footer-links a {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 50%;
  position: relative;
}

/* mandated glass recipe — keep identical across blog/playground/travel */
.subpage-footer-links a {
  border: 1px solid var(--lg-border);
  background: var(--lg-bg);
  -webkit-backdrop-filter: blur(var(--lg-blur)) saturate(var(--lg-saturate));
  backdrop-filter: blur(var(--lg-blur)) saturate(var(--lg-saturate));
  box-shadow: inset 0 1px 0 var(--lg-edge-top);
  transition: all var(--lg-dur) var(--lg-spring);
}
.subpage-footer-links a:hover {
  background: var(--lg-bg-strong);
  border-color: var(--lg-border-hover);
  transform: translateY(-3px);
  box-shadow: var(--lg-shadow), var(--lg-glow), inset 0 1px 0 var(--lg-edge-top);
}

.subpage-footer-links svg {
  width: 22px;
  height: 22px;
  fill: var(--color-white);
}

.subpage-footer-copy {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.3rem;
  color: var(--color-white);
  opacity: 0.5;
}

/* keep the back-to-top rail clear of the theme FAB in the corner */
#backtotopbutton {
  bottom: 96px;
}

/* ---------- responsive ---------- */
@media screen and (max-width: 998px) {
  .travel-content {
    padding-top: 150px;
  }

  .travel-section {
    margin-bottom: 100px;
  }

  .travel-stats {
    margin-bottom: 90px;
  }

  .park-stamp {
    width: 150px;
    height: 150px;
  }
}

@media screen and (max-width: 600px) {
  .travel-content {
    padding-top: 140px;
  }

  .travel-heading {
    font-size: 3.6rem;
  }

  .subpage-subtitle {
    font-size: 1.6rem;
  }

  .travel-stats {
    gap: 16px;
    margin-bottom: 70px;
  }

  .stat-tile {
    padding: 26px 18px 24px;
  }

  .stat-num {
    font-size: 4.2rem;
  }

  .travel-section {
    margin-bottom: 80px;
  }

  .map-panel,
  .stamp-panel {
    padding: 16px;
    border-radius: var(--lg-radius-lg);
  }

  .stamp-wall {
    gap: 18px;
  }

  .park-stamp {
    width: 126px;
    height: 126px;
  }

  .flag-chip {
    padding: 9px 15px;
    font-size: 1.3rem;
  }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .travel-heading {
    animation: none;
  }

  .map-holder svg .is-visited,
  .map-holder svg:not(.map-lit) .is-visited {
    opacity: 1;
    animation: none;
  }

  .map-holder svg .pulse {
    animation: none;
    filter: drop-shadow(0 0 12px var(--map-glow)) brightness(1.3);
  }

  .park-stamp,
  .stamp-wall.stamped .park-stamp {
    opacity: 0.92;
    transform: rotate(var(--rot, 0deg));
    animation: none;
  }

  .park-stamp svg.stamp-art,
  .travel-tooltip {
    transition: none;
  }
}