/* ==========================================================
   Nine Travel Nodes — grid + reveal
   Palette pulled from Youri's own photographs:
   night sky over city lights, dusk violet, streetlamp amber,
   and the orange of the camera's date stamp.
   ========================================================== */
@import url("https://fonts.googleapis.com/css2?family=Young+Serif&family=Hanken+Grotesk:ital,wght@0,400;0,500;0,600;1,400&display=swap");

@font-face {
  font-family: "DSEG7";
  src: url("../fonts/DSEG7Classic-Regular.woff2") format("woff2");
  font-display: swap;
}

:root {
  --yy-night: #0f1020;
  --yy-night-2: #181a30;
  --yy-dusk: #8e8bc4;
  --yy-haze: #cdc9e3;
  --yy-paper: #f3efe8;
  --yy-amber: #f2a33a;
  --yy-stamp: #ff5a1f;
  --yy-line: rgba(142, 139, 196, 0.24);

  --yy-serif: "Young Serif", "Iowan Old Style", Georgia, serif;
  --yy-sans: "Hanken Grotesk", "Segoe UI", system-ui, sans-serif;
}

/* ---------------- grid section ---------------- */
.yyn {
  background: var(--yy-night);
  color: var(--yy-haze);
  font-family: var(--yy-sans);
  padding: clamp(4rem, 9vw, 7.5rem) clamp(1.25rem, 5vw, 3rem);
}
.yyn-inner {
  max-width: 1080px;
  margin: 0 auto;
}
.yyn-head {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(1.5rem, 5vw, 4.5rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
.yyn-head h2 {
  font-family: var(--yy-serif);
  font-weight: 400;
  color: var(--yy-paper);
  font-size: clamp(2.3rem, 5.4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}
.yyn-intro p {
  margin: 0 0 1rem;
  font-size: 1.06rem;
  line-height: 1.65;
  max-width: 34em;
}
.yyn-intro strong {
  color: var(--yy-paper);
  font-weight: 600;
}



.yyn-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.yyn-grid { perspective: 1100px; }
.yyn-tile {
  position: relative;
  display: grid;
  min-height: 14.5rem;
  border-radius: 4px;
  transform-style: preserve-3d;
  transform: rotateX(var(--tilt-x, 0deg)) rotateY(calc(var(--tilt-y, 0deg) + var(--flip, 0deg)));
  transition: transform .5s cubic-bezier(.2,.7,.2,1), box-shadow .4s;
}
.yyn-tile:hover { box-shadow: 0 18px 40px rgba(0,0,0,.45); z-index: 1; }
.yyn-tile.can-flip { cursor: pointer; }
.yyn-tile.is-flipped { --flip: 180deg; transition-duration: .7s; }
.yyn-face {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  padding: clamp(1.4rem, 2.6vw, 2.1rem);
  background: var(--yy-night-2);
  border-radius: inherit;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
}
.yyn-back {
  transform: rotateY(180deg);
  background: #22244a;
  justify-content: center;
}
.yyn-back-label {
  margin: 0 0 .9rem;
  font-size: .9rem;
  color: var(--yy-amber);
}
.yyn-places {
  list-style: none;
  margin: 0;
  padding: 0;
}
.yyn-places li {
  font-family: var(--yy-serif);
  color: var(--yy-paper);
  font-size: clamp(1.02rem, 1.6vw, 1.15rem);
  line-height: 1.3;
  padding: .45rem 0;
  border-top: 1px solid var(--yy-line);
}
.yyn-places li:first-child { border-top: 0; padding-top: 0; }
.yyn-flip-hint { opacity: 0; transition: opacity .3s; }
.yyn-tile:hover .yyn-flip-hint, .yyn-tile:focus-visible .yyn-flip-hint { opacity: 1; }
@media (hover: none) { .yyn-flip-hint { opacity: 1; } }
.yyn-tile:focus-visible { outline: 2px solid var(--yy-amber); outline-offset: 3px; }
.yyn-num {
  font-family: var(--yy-serif);
  color: var(--yy-dusk);
  font-size: 0.95rem;
  margin-bottom: 1.6rem;
}
.yyn-name {
  font-family: var(--yy-serif);
  font-weight: 400;
  color: var(--yy-paper);
  font-size: clamp(1.35rem, 2.2vw, 1.6rem);
  line-height: 1.15;
  margin: 0 0 0.7rem;
}
.yyn-tag {
  margin: 0;
  line-height: 1.6;
  font-size: 0.98rem;
}
.yyn-tile.is-veiled .yyn-tag {
  filter: blur(6px);
  opacity: 0.7;
  user-select: none;
}
.yyn-hint {
  margin: auto 0 0;
  padding-top: 1rem;
  font-size: 0.85rem;
  color: var(--yy-dusk);
}

/* The Anchor holds the center */
.yyn-tile.is-center .yyn-front {
  background: #1d1f3a;
  box-shadow: inset 0 0 0 1px rgba(242, 163, 58, 0.45);
}
.yyn-tile.is-center .yyn-num { color: var(--yy-amber); }

/* After the quiz: the visitor's own node */
.yyn-tile.is-yours .yyn-face {
  box-shadow: inset 0 0 0 2px var(--yy-amber);
}
.yyn-tile.is-yours .yyn-name { color: var(--yy-amber); }
.yyn-yours {
  margin: 0 0 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--yy-amber);
  order: -1;
}
.yyn-mine {
  margin-top: auto;
  align-self: flex-start;
  margin-top: 1.2rem;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-weight: 600;
  color: var(--yy-paper);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--yy-amber);
  cursor: pointer;
}

@media (max-width: 860px) {
  .yyn-head { grid-template-columns: 1fr; }
  .yyn-grid { grid-template-columns: 1fr 1fr; }
  .yyn-tile.is-center { grid-column: 1 / -1; order: -1; min-height: 0; }
}
@media (max-width: 520px) {
  .yyn-grid { grid-template-columns: 1fr; }
  .yyn-tile { min-height: 0; }
}

/* ---------------- result reveal ---------------- */
html.yyr-open { overflow: hidden; }

.yyr {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--yy-night);
  color: var(--yy-haze);
  font-family: var(--yy-sans);
  overflow-y: auto;
  overscroll-behavior: contain;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.yyr.is-in { opacity: 1; }

.yyr-photo {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  margin: 0;
  overflow: hidden;
  background: #000;
}
.yyr-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.07);
  transition: transform 1.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.yyr.is-in .yyr-photo img { transform: scale(1); }

/* The camera's date stamp, exactly where the camera puts it */
.yyr-stamp {
  position: absolute;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  font-family: "DSEG7", monospace;
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  letter-spacing: 0.12em;
  color: var(--yy-stamp);
  text-shadow: 0 0 6px rgba(255, 90, 31, 0.65), 0 0 1px #ffb08a;
  word-spacing: 0.3em;
  opacity: 0;
  transition: opacity 0.4s ease 1.2s;
}
.yyr.is-in .yyr-stamp { opacity: 0.95; }

.yyr-body {
  padding: clamp(5rem, 10vh, 7rem) clamp(1.5rem, 5vw, 4.5rem) 5rem;
  max-width: 40rem;
}
.yyr-lead {
  margin: 0 0 0.6rem;
  color: var(--yy-dusk);
  font-size: 1.05rem;
}
.yyr-name {
  font-family: var(--yy-serif);
  font-weight: 400;
  color: var(--yy-paper);
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 1.4rem;
}
.yyr-num {
  display: block;
  font-size: 1.05rem;
  letter-spacing: 0;
  color: var(--yy-amber);
  margin-bottom: 0.9rem;
}
.yyr-tagline {
  font-family: var(--yy-serif);
  color: var(--yy-paper);
  font-size: clamp(1.2rem, 2.2vw, 1.45rem);
  line-height: 1.45;
  margin: 0 0 3rem;
  max-width: 28em;
}
.yyr-lead, .yyr-name, .yyr-tagline {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.7s ease 0.6s, transform 0.7s ease 0.6s;
}
.yyr.is-in .yyr-lead, .yyr.is-in .yyr-name, .yyr.is-in .yyr-tagline {
  opacity: 1;
  transform: none;
}

.yyr-sec { margin: 0 0 2.6rem; }
.yyr-sec h3 {
  font-family: var(--yy-serif);
  font-weight: 400;
  color: var(--yy-amber);
  font-size: 1.15rem;
  margin: 0 0 0.9rem;
}
.yyr-sec p {
  margin: 0 0 1rem;
  font-size: 1.04rem;
  line-height: 1.75;
}
.yyr-places { margin: 0; }
.yyr-places dt {
  font-family: var(--yy-serif);
  color: var(--yy-paper);
  font-size: 1.08rem;
  margin: 1.2rem 0 0.3rem;
}
.yyr-places dt:first-child { margin-top: 0; }
.yyr-places dd {
  margin: 0;
  line-height: 1.7;
}

.yyr-second {
  background: var(--yy-night-2);
  padding: 1.5rem 1.6rem;
  margin: 0 0 2.6rem;
  border-radius: 2px;
}
.yyr-second p { margin: 0; line-height: 1.6; }
.yyr-second-label { color: var(--yy-dusk); font-size: 0.92rem; }
.yyr-second-name {
  font-family: var(--yy-serif);
  color: var(--yy-paper);
  font-size: 1.4rem;
  margin: 0.25rem 0 0.4rem !important;
}

.yyr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}




.yyr-credit {
  margin-top: 2.5rem;
  font-size: 0.92rem;
  color: var(--yy-dusk);
}

.yyr-close {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top));
  right: 1rem;
  z-index: 2;
  font: 600 0.92rem var(--yy-sans);
  color: var(--yy-paper);
  background: rgba(15, 16, 32, 0.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--yy-line);
  border-radius: 999px;
  padding: 0.55rem 1.05rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .yyr { grid-template-columns: 1fr; display: block; }
  .yyr-photo { position: relative; height: 72vh; height: 72svh; }
  .yyr-body { padding-top: 2.5rem; }
}

/* focus + motion */
.yyn :focus-visible, .yyr :focus-visible {
  outline: 2px solid var(--yy-amber);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  .yyn-tile { transition: none; }
  .yyr, .yyr-photo img, .yyr-stamp, .yyr-lead, .yyr-name, .yyr-tagline {
    transition: none !important;
    transform: none !important;
  }
}

/* preview-only panel (never shows on youriyoung.com) */
.yyn-dev {
  position: fixed;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  z-index: 900;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  justify-content: center;
  max-width: calc(100% - 24px);
  padding: 8px 10px;
  background: #fff;
  color: #222;
  font: 13px/1.2 system-ui, sans-serif;
  border-radius: 6px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}
.yyn-dev button {
  font: inherit;
  padding: 4px 8px;
  border: 1px solid #ccc;
  background: #f6f6f6;
  border-radius: 4px;
  cursor: pointer;
}