/* ===== Database + Matching combined section ===== */

/* Spacer creates scroll distance for pinning */
.db-match-spacer {
  height: 400vh;
  position: relative;
}

/* Sticky container stays pinned while spacer scrolls */
.db-match-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  min-height: 500px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === Icon layer === */
.db-match-icons {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.db-icon {
  position: absolute;
  left: var(--home-x);
  top: var(--home-y);
  width: 80px;
  height: 80px;
  opacity: 0;
  will-change: transform, opacity;
  transform: scale(3) translate(var(--enter-tx, 0), var(--enter-ty, 0));
  filter: blur(4px);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  border-radius: 24px;
  border: 3px solid transparent;
}

.db-icon.entered {
  opacity: 1;
  transform: scale(1) translate(var(--float-tx, 0px), var(--float-ty, 0px));
  filter: blur(0);
}

.db-icon.faded .db-icon-inner img {
  opacity: 0.2;
}

.db-icon.faded .db-icon-inner {
  border-color: #E8ECEF;
}

.db-icon.survivor {
  border-color: var(--green);
  z-index: 10;
}

.db-icon.survivor .db-icon-inner {
  border-color: var(--green);
}

.db-icon-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 21px;
  background: var(--white);
  border: 2px solid var(--border);
  overflow: hidden;
  transition: border-color 0.4s ease-out;
}

.db-icon-inner img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  display: block;
  border-radius: 24px;
  transition: opacity 0.4s ease-out;
}

/* Checkmark badge */
.db-icon-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.db-icon.survivor .db-icon-badge {
  opacity: 1;
  transform: scale(1);
}

/* === Text layer === */
.db-match-text {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: var(--text-max);
  padding: 0 24px;
}

/* Phase containers */
.db-text-database,
.db-text-matching {
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.db-text-database {
  opacity: 1;
  transform: translateY(0);
}

.db-text-database.hidden {
  opacity: 0;
  transform: translateY(-40px);
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  pointer-events: none;
}

.db-text-matching {
  opacity: 0;
  transform: translateY(40px);
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  pointer-events: none;
  width: 100%;
  padding: 0 24px;
  box-sizing: border-box;
}

.db-text-matching.visible {
  opacity: 1;
  transform: translateY(0);
  position: static;
  translate: none;
  pointer-events: auto;
}

/* Small text */
.db-small-text {
  font-size: clamp(22px, 2.5vw, 28px);
  color: var(--black);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.5;
}

/* Large stat lines */
.db-stats {
  margin: 16px 0;
}

.db-stat-line {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 4px 0;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease-out, transform 0.35s ease-out;
}

.db-stat-line.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Match words */
.db-match-words {
  margin: 16px 0;
}

.db-match-word {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 4px 0;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease-out, transform 0.35s ease-out;
}

.db-match-word.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Entrance animation === */
.db-icon.entering {
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.4s ease-out,
              filter 0.6s ease-out;
}

/* === Fade transition === */
.db-icon.fading {
  transition: opacity 0.4s ease-out;
}

/* === prefers-reduced-motion === */
@media (prefers-reduced-motion: reduce) {
  .db-icon {
    transition: none;
    filter: none;
  }

  .db-icon.entered {
    filter: none;
  }

  .db-icon.entering {
    transition: none;
  }

  .db-icon.fading {
    transition: none;
  }

  .db-text-database,
  .db-text-matching {
    transition: none;
  }

  .db-stat-line {
    transition: none;
  }

  .db-match-word {
    transition: none;
  }

  .db-icon-badge {
    transition: none;
  }

  .db-icon-inner {
    transition: none;
  }

  .db-icon-inner img {
    transition: none;
  }
}

/* === Mobile tweaks === */
@media (max-width: 767px) {
  .db-match-text {
    padding: 0 16px;
  }

  .db-text-matching {
    padding: 0 16px;
  }

  /* Icon size reduction */
  .db-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
  }

  .db-icon-inner {
    border-radius: 15px;
  }

  /* Icon position rebalancing — pull right-heavy icons inward */
  .db-icon:nth-child(1)  { left: 58vw !important; }
  .db-icon:nth-child(3)  { left: 65vw !important; }
  .db-icon:nth-child(7)  { left: 68vw !important; }
  .db-icon:nth-child(10) { left: 70vw !important; }
  .db-icon:nth-child(11) { left: 68vw !important; }
  .db-icon:nth-child(13) { left: 74vw !important; }
  .db-icon:nth-child(15) { left: 62vw !important; }

  /* Push left-heavy icons outward */
  .db-icon:nth-child(6)  { left: 14vw !important; }
  .db-icon:nth-child(8)  { left: 18vw !important; }
  .db-icon:nth-child(9)  { left: 16vw !important; }
  .db-icon:nth-child(12) { left: 12vw !important; }

  /* Pull left-of-center icons left */
  .db-icon:nth-child(2)  { left: 22vw !important; }
  .db-icon:nth-child(4)  { left: 32vw !important; }
  .db-icon:nth-child(14) { left: 27vw !important; }

  /* Radial gradient backdrop for text readability */
  .db-match-text::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: calc(100% + 280px);
    height: calc(100% + 280px);
    background: radial-gradient(
      ellipse at center,
      rgba(255, 255, 255, 0.75) 0%,
      rgba(255, 255, 255, 0.5) 40%,
      rgba(255, 255, 255, 0) 70%
    );
    z-index: -1;
    pointer-events: none;
    border-radius: 50%;
  }
}