/* ==========================================================================
   4FUN — Conversor de Sensibilidade
   ========================================================================== */

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px 64px;
  position: relative;
  z-index: 1;
}

.topbar {
  border-bottom: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: 980px;
  margin: 0 auto;
}

.brand__text { font-family: var(--mono); font-weight: 800; font-size: 16px; }
.brand__accent { color: var(--accent); }
.topbar__tag { font-family: var(--mono); font-size: 11px; color: var(--text-faint); }

.hero { padding: 52px 0 34px; text-align: center; }

.hero__title {
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0.72) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__lede { color: var(--text-dim); max-width: 54ch; font-size: 16px; margin: 0 auto; }

.panel { padding: 28px; margin-bottom: 36px; }

.panel__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 720px) {
  .panel__grid { grid-template-columns: 1fr; }
  .swap { justify-self: center; }
}

.side { display: flex; flex-direction: column; gap: 16px; }

.side__eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
}

.swap { display: flex; align-items: center; justify-content: center; height: 100%; padding-top: 30px; }

.swap__btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
  transition: transform 0.3s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.swap__btn:hover { background: var(--glass-bg-hover); border-color: var(--accent); transform: rotate(180deg) scale(1.06); }

.result {
  margin-top: 4px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(94, 178, 255, 0.10), rgba(94, 178, 255, 0.02));
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.result__label { font-size: 11px; color: var(--text-dim); }
.result__value { font-family: var(--mono); font-size: 36px; font-weight: 800; color: var(--accent); transition: opacity 0.15s; }

.notice {
  margin-top: 20px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 138, 77, 0.3);
  border-radius: var(--radius-md);
  background: rgba(255, 138, 77, 0.08);
  color: var(--text-dim);
  font-size: 13px;
}

.details-toggle {
  margin-top: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
  padding: 10px 16px;
  width: 100%;
  text-align: center;
  transition: background 0.2s;
}

.details-toggle:hover { background: var(--glass-bg-hover); }

.details {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--glass-border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 520px) { .details { grid-template-columns: 1fr; } }

.details__title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 10px;
}

.stat-list { display: flex; flex-direction: column; gap: 8px; }

.stat-list > div {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 6px;
}

.stat-list dt { color: var(--text-dim); font-size: 12px; }
.stat-list dd { font-family: var(--mono); color: var(--teal); font-size: 13px; }

.ruler-section { margin-bottom: 48px; text-align: center; padding: 24px; }

.ruler-section__label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 14px;
  letter-spacing: 0.1em;
}

.ruler {
  height: 36px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
}

.ruler__bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: linear-gradient(90deg, rgba(94, 178, 255, 0.5), var(--accent));
  border-radius: var(--radius-sm);
  transition: width 0.4s var(--ease);
}

.ruler-section__value { margin-top: 10px; font-family: var(--mono); color: var(--text-dim); font-size: 12px; }

.pro { padding: 28px; margin-bottom: 36px; }

.pro__table { display: flex; flex-direction: column; gap: 8px; }

.pro__row {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.6fr;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  transition: background 0.2s;
}

.pro__row:hover { background: var(--glass-bg-hover); }

.pro__row--head {
  background: none;
  border: none;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-faint);
}

.pro__row--head:hover { background: none; }

.pro__game { font-size: 13px; font-weight: 600; }
.pro__range { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.pro__dpi { font-family: var(--mono); font-size: 11px; color: var(--teal); }
.pro__focus { font-size: 11px; color: var(--text-faint); }

.freefire { padding: 28px; margin-bottom: 36px; }

.freefire__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

@media (max-width: 820px) { .freefire__grid { grid-template-columns: 1fr; } }

.freefire__card {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  padding: 20px;
}

.freefire__card h3 { margin-bottom: 12px; font-size: 12px; text-transform: uppercase; color: var(--accent); letter-spacing: 0.06em; }
.freefire__card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.freefire__card li { font-size: 12px; color: var(--text-dim); border-bottom: 1px solid rgba(255, 255, 255, 0.06); padding-bottom: 8px; }
.freefire__card li strong { display: block; color: var(--text); font-family: var(--mono); font-size: 11px; }

.howto { padding: 28px; margin-bottom: 36px; }

.steps { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.steps li { display: flex; gap: 16px; }

.steps__num {
  width: 32px;
  height: 32px;
  border: 1px solid var(--glass-border);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.steps h3 { margin-bottom: 4px; font-size: 15px; }
.steps p { color: var(--text-dim); font-size: 13px; }

.faq { padding: 28px; }

.faq__list { display: flex; flex-direction: column; gap: 10px; }

.faq__item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  padding: 4px 18px;
}

.faq__item summary { cursor: pointer; padding: 14px 0; font-size: 13px; font-weight: 600; list-style: none; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::before { content: '+'; color: var(--accent); font-family: var(--mono); margin-right: 10px; }
.faq__item[open] summary::before { content: '–'; }
.faq__item p { margin-bottom: 14px; color: var(--text-dim); font-size: 12px; }

@media (max-width: 768px) {
  .pro__row { grid-template-columns: 1fr; }
  .pro__row--head { display: none; }
}