/* Variables y reset */
:root {
  --bg: #f2f1f7;
  --text: #22242a;
  --muted: #666a77;
  --border: #dfe3ea;
  --card: #ffffff;
  --primary: #2b81f7;
  --shadow: 0 6px 16px rgba(0,0,0,0.08);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
}
img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(16px);
  background: rgba(255,255,255,0.72);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  max-width: 1100px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 24px;
}
.brand { font-weight: 600; letter-spacing: 0.2px; }
.nav { display: flex; gap: 16px; }
.nav__link { color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 8px; }
.nav__link:hover { background: rgba(0,0,0,0.06); color: var(--text); }

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px; }
.section { margin: 28px 0; }
.section__title { font-size: 20px; margin: 0 0 16px; }

/* Hero */
.hero { display: grid; grid-template-columns: 176px 1fr; gap: 24px; align-items: center; }
.app-icon { border-radius: 24px; box-shadow: var(--shadow); }
.app-title { font-size: 28px; margin: 0; }
.app-subtitle { margin: 4px 0 10px; color: var(--muted); }
.price-row { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.price-badge { background: var(--card); border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px; font-weight: 600; color: var(--text); }
.dot { opacity: 0.4; }
.iap { color: var(--muted); }

.meta-row { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; margin-top: 12px; }
.rating { display: flex; align-items: center; gap: 12px; }
.rating__stars { display: inline-flex; gap: 2px; color: #f5a623; }
.star { width: 18px; height: 18px; fill: currentColor; opacity: 0.95; }
.star--empty { fill: none; stroke: currentColor; stroke-width: 1.2; opacity: 0.4; }
.rating__text { color: var(--muted); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { background: var(--card); border: 1px solid var(--border); padding: 4px 8px; border-radius: 999px; color: var(--muted); }
.hero__cta { display: flex; justify-content: flex-start; gap: 12px; flex-wrap: wrap; }

/* Buttons */
.button { padding: 10px 16px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); color: var(--text); cursor: pointer; transition: all .2s ease; }
.button:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.button--primary { background: var(--text); color: #fff; border-color: transparent; }
.button--ghost { background: transparent; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px; box-shadow: var(--shadow); }
.card--text { padding: 18px; }
.card--updates { display: grid; grid-template-columns: 1fr; gap: 8px; }

/* Gallery */
.gallery { position: relative; }
.gallery__track { display: grid; grid-auto-flow: column; grid-auto-columns: 280px; gap: 14px; overflow: hidden; scroll-behavior: smooth; }
.shot { margin: 0; }
.shot img { border-radius: 22px; border: 1px solid var(--border); box-shadow: var(--shadow); cursor: zoom-in; }
.gallery__arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.85); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 50%; width: 36px; height: 36px; display: grid; place-items: center; cursor: pointer; }
.gallery__arrow--left { left: -12px; }
.gallery__arrow--right { right: -12px; }

/* Read more */
.read-more.collapsed { max-height: 0; overflow: hidden; }
.read-more { transition: max-height .3s ease; }

/* Reviews */
.reviews { display: grid; grid-template-columns: 300px 1fr; gap: 16px; }
.scorecard { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px; text-align: center; box-shadow: var(--shadow); }
.scorecard__rating { font-size: 32px; font-weight: 700; }
.scorecard__outof { color: var(--muted); margin-bottom: 8px; }
.bars { display: grid; gap: 6px; }
.bar { display: grid; grid-template-columns: 32px 1fr; align-items: center; gap: 8px; }
.bar__track { background: #e5e8ee; height: 6px; border-radius: 999px; overflow: hidden; }
.bar__fill { background: #4a5060; height: 100%; border-radius: 999px; }
.review { display: grid; gap: 6px; }
.review__meta { color: var(--muted); font-size: 12px; }

/* Grids */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.info.grid { grid-template-columns: repeat(3, 1fr); }
.apps-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.app-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 10px; box-shadow: var(--shadow); }
.app-card img { border-radius: 12px; margin-bottom: 8px; }
.app-card__name { font-weight: 600; }
.app-card__desc { color: var(--muted); font-size: 12px; }

/* Página de Apps (categorías) */
.categories { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.category-card { text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; min-height: 140px; }
.category-card__icon { width: 56px; height: 56px; }
.category-card__name { font-weight: 600; color: var(--text); }
.category-card:hover { transform: translateY(-1px); box-shadow: var(--shadow); }

/* Listas tipo ranking (Top apps gratis) */
.chart { display: grid; gap: 12px; }
.chart-item { display: grid; grid-template-columns: 36px 56px 1fr auto; align-items: center; gap: 12px; padding: 10px 12px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); }
.chart-item__rank { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: #e8ebf2; color: var(--text); font-weight: 600; }
.chart-item__icon { width: 56px; height: 56px; border-radius: 12px; }
.chart-item__meta { display: grid; gap: 2px; }
.chart-item__name { font-weight: 600; }
.chart-item__desc { color: var(--muted); font-size: 12px; }

/* Footer */
.footer { border-top: 1px solid var(--border); margin-top: 36px; }
.footer__inner { display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; padding: 18px 20px; }
.footer__links a { color: var(--muted); text-decoration: none; margin-right: 12px; }
.footer__links a:hover { text-decoration: underline; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.65); display: none; align-items: center; justify-content: center; padding: 24px; }
.lightbox.open { display: flex; }
.lightbox__image { max-width: 90vw; max-height: 80vh; border-radius: 16px; box-shadow: var(--shadow); }
.lightbox__close { position: absolute; top: 16px; right: 16px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; cursor: pointer; }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 120px 1fr; }
  .apps-row { grid-template-columns: repeat(2, 1fr); }
  .grid, .info.grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .site-header__inner { padding: 10px 12px; }
  .hero { grid-template-columns: 1fr; }
  .reviews { grid-template-columns: 1fr; }
  .gallery__arrow--left { left: 4px; }
  .gallery__arrow--right { right: 4px; }
  .grid, .info.grid { grid-template-columns: 1fr; }
  .apps-row { grid-template-columns: 1fr; }
}