/* ═══════════════════════════════════════════════════
   NINJA GAME MOBILE — style.css
   Tema: Cartoon RPG · Pastel + Accents · Fredoka One
═══════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --bg-main:      #fdf6ee;
  --bg-alt:       #f0f7ff;
  --bg-card:      #ffffff;

  --pastel-pink:  #ffd6e0;
  --pastel-blue:  #c9e8ff;
  --pastel-yellow:#fff3c4;
  --pastel-green: #d4f5e2;
  --pastel-lav:   #e8d8ff;

  --accent-red:   #ff5c5c;
  --accent-purple:#9b59b6;
  --accent-green: #2ecc71;
  --accent-yellow:#f5a623;
  --accent-blue:  #3498db;
  --accent-pink:  #e91e8c;

  --text-dark:    #2d2d3a;
  --text-mid:     #5a5a72;
  --text-light:   #9b9bb5;

  --border-radius-lg: 24px;
  --border-radius-md: 16px;
  --border-radius-sm:  8px;

  --shadow-soft: 0 8px 32px rgba(100,80,200,.10);
  --shadow-card: 0 4px 20px rgba(0,0,0,.08);

  --font-display: 'Fredoka One', cursive;
  --font-body:    'Nunito', sans-serif;

  --nav-h: 68px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  font-family: var(--font-body);
  background: var(--bg-main);
  color: var(--text-dark);
  overflow-x: hidden;
}

/* ══════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════ */
#mainNav {
  background: #fff;
  box-shadow: 0 3px 16px rgba(0,0,0,.10);
  height: var(--nav-h);
  z-index: 999;
  border-bottom: 3px solid var(--pastel-yellow);
}

.navbar-brand { display: flex; align-items: center; gap: 8px; text-decoration: none; }

.brand-icon { font-size: 1.8rem; line-height:1; }

.brand-text {
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--text-dark);
  letter-spacing: .5px;
}

.brand-accent { color: var(--accent-pink); }

.navbar-toggler {
  border: 2px solid var(--pastel-lav);
  border-radius: 10px;
  font-size: 1.4rem;
  color: var(--accent-purple);
}

#navLinks .nav-link {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .92rem;
  color: var(--text-mid);
  padding: 6px 14px;
  border-radius: 30px;
  transition: background .2s, color .2s;
  white-space: nowrap;
}

#navLinks .nav-link:hover,
#navLinks .nav-link.active {
  background: var(--pastel-yellow);
  color: var(--accent-yellow);
}

#navLinks .nav-link-reward {
  background: var(--pastel-pink);
  color: var(--accent-pink);
}
#navLinks .nav-link-reward:hover,
#navLinks .nav-link-reward.active {
  background: var(--accent-pink);
  color: #fff;
}

/* ══════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════ */
.hero-section {
  background: linear-gradient(135deg, #fde8f5 0%, #e8f3ff 50%, #fdf6ee 100%);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: center;
}

/* Decorative blobs */
.blob {
  position: absolute;
  border-radius: 50%;
  opacity: .25;
  pointer-events: none;
}
.blob-1 { width:320px; height:320px; background:var(--pastel-pink);    top:-80px;  left:-80px; }
.blob-2 { width:280px; height:280px; background:var(--pastel-blue);    bottom:-60px; right:-60px; }
.blob-3 { width:200px; height:200px; background:var(--pastel-yellow);  top:40%;  left:55%; }

.hero-content { position: relative; z-index: 2; width: 100%; }

.hero-badge {
  display: inline-block;
  background: var(--pastel-lav);
  color: var(--accent-purple);
  font-weight: 800;
  font-size: .85rem;
  padding: 5px 18px;
  border-radius: 30px;
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  color: var(--text-dark);
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero-title span { color: var(--accent-pink); }

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 540px;
  margin: 0 auto 32px;
}

/* Player Card */
.player-card {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: 18px 28px;
  box-shadow: var(--shadow-soft);
  border: 3px solid var(--pastel-yellow);
  flex-wrap: wrap;
  justify-content: center;
}

.player-avatar {
  font-size: 3rem;
  background: var(--pastel-lav);
  border-radius: 50%;
  width: 72px; height: 72px;
  display: flex; align-items: center; justify-content: center;
  border: 3px solid var(--accent-purple);
  flex-shrink: 0;
}

.player-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-dark);
}

.player-level {
  font-size: .88rem;
  color: var(--text-mid);
  font-weight: 600;
  margin-bottom: 8px;
}

.xp-label {
  font-size: .78rem;
  font-weight: 700;
  color: var(--accent-yellow);
  margin-bottom: 4px;
}

.xp-bar-bg {
  width: 180px;
  height: 12px;
  background: var(--pastel-yellow);
  border-radius: 10px;
  overflow: hidden;
}

.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-yellow), #ff9f0a);
  border-radius: 10px;
  transition: width 1s ease;
}

.player-coins { display: flex; flex-direction: column; gap: 6px; }

.coin {
  font-weight: 800;
  font-size: .9rem;
  padding: 4px 12px;
  border-radius: 20px;
}
.coin.gold { background: var(--pastel-yellow); color: #b37000; }
.coin.gem  { background: var(--pastel-lav);    color: var(--accent-purple); }

/* ══════════════════════════════════════════════════
   SECTIONS
══════════════════════════════════════════════════ */
.site-section {
  padding: 72px 0;
}
.alt-section {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}
.section-icon { font-size: 2.5rem; display: block; margin-bottom: 8px; }

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--text-dark);
  margin: 0 0 8px;
}
.section-header h2 span { color: var(--accent-pink); }

.section-header p {
  color: var(--text-mid);
  font-size: 1rem;
  margin: 0;
}

/* ══════════════════════════════════════════════════
   CLASS CARDS
══════════════════════════════════════════════════ */
.class-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  border: 3px solid transparent;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  position: relative;
  overflow: hidden;
}

.class-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: .07;
  background: var(--card-color, #ccc);
}

.class-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,.14);
  border-color: var(--card-color, #ccc);
}

.class-icon {
  font-size: 3rem;
  background: var(--pastel-lav);
  border-radius: 50%;
  width: 76px; height: 76px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  border: 3px solid;
  border-color: var(--card-color, #ccc);
}

.class-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.class-desc {
  font-size: .9rem;
  color: var(--text-mid);
  margin-bottom: 16px;
}

.btn-expand {
  background: var(--pastel-yellow);
  color: var(--accent-yellow);
  border: none;
  border-radius: 30px;
  padding: 7px 20px;
  font-weight: 800;
  font-size: .85rem;
  cursor: pointer;
  transition: background .2s, color .2s, transform .15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-expand:hover { background: var(--accent-yellow); color: #fff; transform: scale(1.05); }

/* Subclasses */
.subclasses-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s;
}
.subclasses-panel.open { max-height: 600px; padding-top: 16px; }

.subclass-item {
  background: var(--bg-alt);
  border-radius: var(--border-radius-md);
  padding: 12px 16px;
  margin-bottom: 10px;
  border-left: 4px solid var(--card-color, #ccc);
}

.subclass-name {
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 4px;
}

.subclass-foco {
  font-size: .82rem;
  color: var(--text-mid);
  margin-bottom: 8px;
}

.subclass-tags { display: flex; gap: 6px; flex-wrap: wrap; }

.tag {
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--pastel-lav);
  color: var(--accent-purple);
}

/* ══════════════════════════════════════════════════
   TREE VIEW
══════════════════════════════════════════════════ */
.tree-container {
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  border: 3px dashed var(--pastel-blue);
  overflow-x: auto;
}

.tree-root { list-style: none; padding: 0; margin: 0; display: flex; gap: 32px; flex-wrap: wrap; justify-content: center; }

.tree-class {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  min-width: 160px;
}

.tree-class-node {
  background: var(--bg-card);
  border-radius: var(--border-radius-md);
  padding: 14px 20px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  border: 3px solid var(--node-color, #ccc);
  box-shadow: var(--shadow-card);
  text-align: center;
  position: relative;
  z-index: 1;
  cursor: default;
  transition: transform .2s;
}
.tree-class-node:hover { transform: scale(1.05); }

/* vertical connector from class to subs */
.tree-class::after {
  content: '';
  position: absolute;
  top: 58px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 28px;
  background: var(--node-color, #ccc);
  z-index: 0;
}

.tree-subs {
  list-style: none;
  padding: 28px 0 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.tree-sub-node {
  background: var(--bg-alt);
  border-radius: var(--border-radius-sm);
  padding: 8px 18px;
  font-size: .88rem;
  font-weight: 700;
  border: 2px solid var(--node-color, #ccc);
  position: relative;
  text-align: center;
  transition: background .2s;
  cursor: default;
}
.tree-sub-node:hover { background: var(--pastel-lav); }

/* ══════════════════════════════════════════════════
   ATRIBUTOS
══════════════════════════════════════════════════ */
.attr-card {
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  border: 3px solid var(--pastel-pink);
  transition: transform .2s;
}
.attr-card:hover { transform: translateY(-4px); }

.attr-icon { font-size: 2.5rem; margin-bottom: 12px; display: block; text-align: center; }

.attr-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  text-align: center;
  margin-bottom: 6px;
}

.attr-funcao {
  font-size: .85rem;
  color: var(--text-mid);
  text-align: center;
  margin-bottom: 18px;
}

.attr-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: .82rem;
  font-weight: 700;
  color: var(--text-mid);
  margin-bottom: 4px;
}

.attr-bar-bg {
  width: 100%;
  height: 18px;
  background: var(--pastel-yellow);
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 14px;
}

.attr-bar-fill {
  height: 100%;
  border-radius: 20px;
  width: 0;
  transition: width 1.2s cubic-bezier(.25,.8,.25,1);
}

.attr-bonuses {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.attr-bonus-chip {
  font-size: .8rem;
  font-weight: 800;
  background: var(--pastel-green);
  color: #1a7a4a;
  padding: 4px 14px;
  border-radius: 20px;
}

/* Fórmulas */
.formulas-box {
  background: var(--text-dark);
  color: #fff;
  border-radius: var(--border-radius-lg);
  padding: 28px 32px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.formula-item {
  text-align: center;
}

.formula-name {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--pastel-yellow);
  margin-bottom: 4px;
}

.formula-expr {
  font-family: var(--font-display);
  font-size: 1rem;
  color: #fff;
}

/* ══════════════════════════════════════════════════
   ACCORDION
══════════════════════════════════════════════════ */
.custom-accordion .accordion-item {
  border: 3px solid var(--pastel-blue);
  border-radius: var(--border-radius-md) !important;
  margin-bottom: 12px;
  overflow: hidden;
}

.custom-accordion .accordion-button {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-dark);
  background: var(--bg-card);
  border-radius: 0;
}
.custom-accordion .accordion-button:not(.collapsed) {
  background: var(--pastel-blue);
  color: var(--accent-blue);
  box-shadow: none;
}
.custom-accordion .accordion-button::after {
  filter: hue-rotate(200deg);
}

.custom-accordion .accordion-body {
  background: #fff;
  font-size: .9rem;
  color: var(--text-mid);
}

/* Slot chips */
.slot-chips { display: flex; gap: 10px; flex-wrap: wrap; }

.slot-chip {
  padding: 8px 18px;
  border-radius: 20px;
  font-weight: 700;
  font-size: .88rem;
  background: var(--pastel-lav);
  color: var(--accent-purple);
  border: 2px solid var(--accent-purple);
  transition: background .2s;
  cursor: default;
}
.slot-chip:hover { background: var(--accent-purple); color: #fff; }

/* Rarity rows */
.rarity-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--pastel-blue);
}
.rarity-row:last-child { border-bottom: none; }

.rarity-stars { font-size: 1.1rem; min-width: 90px; }

.rarity-badge {
  font-weight: 800;
  font-size: .9rem;
  padding: 4px 16px;
  border-radius: 20px;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,.25);
}

/* Equip level bar */
.equip-level-info { font-size: .9rem; margin-bottom: 12px; font-weight: 600; }

.equip-bar-bg {
  width: 100%;
  height: 20px;
  background: var(--pastel-green);
  border-radius: 20px;
  overflow: hidden;
}

.equip-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green), #27ae60);
  border-radius: 20px;
  transition: width 1.2s ease;
}

/* ══════════════════════════════════════════════════
   BUILDS
══════════════════════════════════════════════════ */
.build-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.build-badge {
  font-size: .78rem;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: 20px;
  background: var(--pastel-pink);
  color: var(--accent-pink);
}

.build-complexity-label {
  font-size: .82rem;
  color: var(--text-mid);
  margin-top: 12px;
  margin-bottom: 4px;
  font-weight: 700;
}

.build-bar-bg {
  width: 100%;
  height: 14px;
  background: var(--pastel-pink);
  border-radius: 10px;
  overflow: hidden;
}

.build-bar-fill {
  height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--accent-pink), #ff5c5c);
  transition: width 1.2s ease;
}

/* Companions (montarias + pets) */
.companion-card {
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 3px solid var(--pastel-green);
  text-align: center;
  transition: transform .2s;
}
.companion-card:hover { transform: translateY(-4px); }

.companion-icon { font-size: 3rem; margin-bottom: 10px; }

.companion-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.companion-stats {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.stat-chip {
  font-size: .78rem;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: 16px;
  background: var(--pastel-blue);
  color: var(--accent-blue);
}

.companion-funcao {
  font-size: .82rem;
  color: var(--text-mid);
}

/* ══════════════════════════════════════════════════
   FLOW DIAGRAM
══════════════════════════════════════════════════ */
.flow-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  padding: 24px;
  background: #fff;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  border: 3px solid var(--pastel-lav);
  overflow-x: auto;
}

.flow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 100px;
  animation: flowPop .5s ease both;
}

.flow-box {
  background: var(--pastel-lav);
  color: var(--accent-purple);
  border: 2.5px solid var(--accent-purple);
  border-radius: var(--border-radius-md);
  padding: 12px 16px;
  font-weight: 800;
  font-size: .88rem;
  text-align: center;
  white-space: nowrap;
  transition: background .2s, transform .2s;
  cursor: default;
}
.flow-box:hover { background: var(--accent-purple); color: #fff; transform: scale(1.07); }

.flow-label {
  font-size: .72rem;
  color: var(--text-light);
  margin-top: 6px;
  font-weight: 600;
}

.flow-arrow {
  font-size: 1.4rem;
  color: var(--accent-purple);
  opacity: .5;
  padding: 0 4px;
  margin-top: -12px; /* vertically align with box */
  align-self: center;
}

@keyframes flowPop {
  from { transform: scale(.6); opacity: 0; }
  to   { transform: scale(1);  opacity: 1; }
}

/* Progressão steps list */
.progress-steps { list-style: none; padding: 0; margin: 0; }

.progress-step {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--pastel-blue);
}
.progress-step:last-child { border-bottom: none; }

.step-num {
  width: 34px; height: 34px;
  background: var(--pastel-yellow);
  color: var(--accent-yellow);
  font-weight: 900;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 2px solid var(--accent-yellow);
  flex-shrink: 0;
}

.step-text { font-weight: 600; font-size: .95rem; color: var(--text-dark); }

/* ══════════════════════════════════════════════════
   ECONOMIA
══════════════════════════════════════════════════ */
.moeda-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--pastel-blue);
  flex-wrap: wrap;
}
.moeda-row:last-child { border-bottom: none; }

.moeda-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  min-width: 80px;
}

.moeda-usos { display: flex; gap: 6px; flex-wrap: wrap; }

.moeda-uso-tag {
  font-size: .78rem;
  font-weight: 700;
  background: var(--pastel-green);
  color: #1a7a4a;
  padding: 3px 10px;
  border-radius: 16px;
}

/* ══════════════════════════════════════════════════
   REWARD SECTION
══════════════════════════════════════════════════ */
.reward-section { position: relative; overflow: hidden; }

.reward-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  max-width: 600px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.reward-deco { font-size: 2.8rem; animation: spin 6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.reward-inner {
  flex: 1;
  min-width: 260px;
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  border: 3px solid var(--pastel-yellow);
}

.reward-label {
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-dark);
  display: block;
  margin-bottom: 12px;
}

.reward-input-group { display: flex; gap: 10px; flex-wrap: wrap; }

.reward-input {
  flex: 1;
  min-width: 140px;
  border: 2.5px solid var(--pastel-lav);
  border-radius: 30px;
  padding: 10px 18px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .95rem;
  color: var(--text-dark);
  outline: none;
  transition: border-color .2s;
  background: var(--bg-main);
}
.reward-input:focus { border-color: var(--accent-purple); }

.reward-btn {
  background: linear-gradient(135deg, var(--accent-pink), #ff5c5c);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 10px 22px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: .9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.reward-btn:hover { transform: scale(1.05); box-shadow: 0 6px 20px rgba(233,30,140,.3); }

.reward-result {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--border-radius-md);
  font-size: .9rem;
  font-weight: 700;
  animation: fadeInUp .4s ease;
}
.reward-result.success {
  background: var(--pastel-green);
  color: #1a7a4a;
  border: 2px solid var(--accent-green);
}
.reward-result.error {
  background: var(--pastel-pink);
  color: #b71c1c;
  border: 2px solid var(--accent-red);
}

.reward-items { list-style: none; padding: 8px 0 0; margin: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.reward-item-chip {
  font-size: .8rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 16px;
  background: #fff;
  color: #1a7a4a;
  border: 2px solid var(--accent-green);
}

@keyframes fadeInUp {
  from { transform: translateY(10px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ══════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════ */
.site-footer {
  background: var(--text-dark);
  padding: 36px 0;
  color: rgba(255,255,255,.7);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 8px;
}

.footer-text { font-size: .88rem; margin-bottom: 10px; }
.footer-stars { font-size: 1.1rem; letter-spacing: 3px; }

/* ══════════════════════════════════════════════════
   TOOLTIPS (CSS pure)
══════════════════════════════════════════════════ */
[data-tooltip] { position: relative; }

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(.85);
  background: var(--text-dark);
  color: #fff;
  font-size: .76rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 10px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s, transform .2s;
  z-index: 999;
  font-family: var(--font-body);
  box-shadow: 0 4px 12px rgba(0,0,0,.18);
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* ══════════════════════════════════════════════════
   UTILITIES & ANIMATIONS
══════════════════════════════════════════════════ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* Smooth stagger for cards */
.class-card:nth-child(1) { transition-delay: .05s; }
.class-card:nth-child(2) { transition-delay: .15s; }
.class-card:nth-child(3) { transition-delay: .25s; }

/* ══════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .hero-title { font-size: 2.2rem; }
  .player-card { gap: 12px; padding: 16px; }
  .xp-bar-bg { width: 130px; }
  .flow-container { gap: 6px; padding: 12px; }
  .flow-arrow { padding: 0; }
  .reward-box { gap: 10px; }
  .reward-deco { display: none; }
  .tree-root { flex-direction: column; align-items: center; }
}

@media (max-width: 576px) {
  .site-section { padding: 48px 0; }
  .formulas-box { flex-direction: column; gap: 12px; }
}