/* ============ Reset & Base ============ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #ede9e3;
  font-family: -apple-system, "Helvetica Neue", "PingFang SC", sans-serif;
  overscroll-behavior: none;
}

/* ============ Fixed Viewport ============ */
.viewport {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  overflow: hidden;
  background: #ede9e3;
}

/* ============ Scale Wrapper — viewport-center anchor ============ */
/*  top:50%, left:50% places its origin at viewport center.
    transform-origin:0 0 means scale() expands outward from viewport center.
    overflow:hidden ensures GPU compositing clips correctly.
    JS applies: scaler.style.transform = "scale(s)"                         */
#cardsScaler {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: 0 0;
  transform: scale(1);
  will-change: transform;
}

/* ============ Panning state — suppress hover effects while strip is moving ============ */
/* JS adds/removes this class on body during scroll animation */
body.is-panning .card { pointer-events: none; }
body.is-panning .p2-strip { bottom: -60px !important; transition: none !important; }

/* ============ Card Strip ============ */
/*  Position anchored to scaler origin (= viewport center).
    JS applies: translateX(panPos - 600) translateY(-50%)
    so that card 0's center aligns with viewport center when panPos = 0.    */
.card-strip {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: row;
  gap: 40px;
  will-change: transform;
}

/* ============ Individual Card ============ */
.card {
  width: 1200px;
  height: 700px;
  background: #fff;
  border-radius: 0;                 /* sharp corners — design spec */
  box-shadow: 0 4px 48px rgba(0,0,0,0.10);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
    transition: box-shadow 0.3s ease;
}
.card:hover {
  box-shadow: 0 8px 60px rgba(0,0,0,0.16);
}

/* ============ Minimap ============
   Two-state ticks:
   · default — 6×12 gray-bordered frame (0.5:1)
   · .active — 24×12 black solid block (2:1)
   CSS width transition smooths state change; no floating tracker element.
   =============================================================== */
.minimap {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 200;
}

.mm-tick {
  width: 6px;                                /* 0.5 : 1 (w : h) */
  height: 12px;
  border-radius: 2px;
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.28);
  cursor: pointer;
  flex-shrink: 0;
  transition: width        0.28s cubic-bezier(0.4, 0, 0.2, 1),
              background   0.2s ease,
              border-color 0.2s ease;
}
.mm-tick:hover {
  border-color: rgba(0, 0, 0, 0.55);
}

.mm-tick.active {
  width: 24px;                               /* 2 : 1 (w : h) */
  background: #000;
  border-color: #000;
}
.mm-tick.active:hover {
  background: #000;
  border-color: #000;
}

/* ============ External card labels (outside cards, above strip) ============ */
.ext-label {
  position: absolute;
  top: -36px;
  font-size: 18px;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.45);
  letter-spacing: -0.01em;
  font-family: -apple-system, "Helvetica Neue", "PingFang SC", sans-serif;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

/* ============ Edit toggle button ============ */
.edit-toggle {
  position: fixed;
  top: 16px; right: 20px;
  z-index: 300;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 0.2s;
}
.edit-toggle:hover { background: #fff; }
.edit-toggle.is-active { background: #111; color: #f59e0b; border-color: #111; }

/* ⚠ DEV-ONLY · language toggle (top-right, left of edit-toggle).
   Marked with "DEV" badge so it's visually clear it should be
   removed (and its <button> markup + <script>) before production. */
.lang-toggle {
  position: fixed;
  top: 16px; right: 105px;          /* edit-toggle (right:20) is ~75px wide + 10 gap */
  z-index: 301;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 6px;
  padding: 5px 12px 5px 8px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  color: #111;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 0.2s;
}
.lang-toggle:hover { background: #fff; }
.lang-toggle-dev {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  padding: 1px 4px;
  border-radius: 3px;
  line-height: 1;
}
.lang-toggle-label {
  font-weight: 500;
  min-width: 14px;
  text-align: center;
}

/* ============ Footer credit — bottom-center, 24px from edge ============ */
.site-footer {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: "PingFang SC", -apple-system, "Helvetica Neue", sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.5);
  letter-spacing: -0.005em;
  white-space: nowrap;
  pointer-events: none;          /* never blocks card interactions */
  user-select: none;
  z-index: 150;                  /* below toggle (300) and warn (9000) */
}