/* ============================================================
   Rubik Argentina — capa RESPONSIVE
   Se linkea DESPUÉS del CSS de cada página para ganar en cascada.
   Breakpoints: 900px (tablet) y 600px (teléfono). No toca desktop.
   ============================================================ */

/* botón hamburguesa: oculto en desktop (lo inyecta menu.js) */
.nav-toggle { display: none; }

/* ================= TABLET (<= 900px) ================= */
@media (max-width: 900px) {
  :root { --pad-x: 28px; }

  /* --- menú hamburguesa --- */
  .nav-inner { flex-wrap: wrap; align-items: center; }
  .nav-toggle {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 0; margin-right: auto; cursor: pointer;
    font-family: var(--mono); font-size: 12px; letter-spacing: .1em;
    text-transform: uppercase; color: var(--ink); background: none; border: 0;
  }
  .nav-toggle .bars { display: inline-flex; flex-direction: column; gap: 4px; }
  .nav-toggle .bars span { width: 22px; height: 2px; background: var(--ink); display: block; transition: transform .2s, opacity .2s; }
  .nav.open .nav-toggle .bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav.open .nav-toggle .bars span:nth-child(2) { opacity: 0; }
  .nav.open .nav-toggle .bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  /* links ocultos hasta abrir */
  .nav-inner a { display: none; }
  .nav.open .nav-inner { flex-direction: column; align-items: stretch; width: 100%; }
  .nav.open .nav-inner a {
    display: flex; width: 100%; margin: 0; padding: 15px 2px; font-size: 15px;
    border-left: 0 !important; border-top: 1px solid var(--rule-soft);
  }
  .nav.open .nav-inner .nav-search { margin-left: 0; border-left: 0; padding-left: 2px; color: var(--muted); }

  /* footer 2 columnas */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  /* ---- HOME ---- */
  .cover-grid { min-height: auto; grid-template-rows: 64px auto auto; }
  .cv-title { grid-column: 1 / span 8; }
  .cv-face { grid-column: 9 / span 4; }
  .featured-grid { grid-template-columns: 1fr 1fr; }
  .featured .pic { grid-column: 1 / span 1; grid-row: 1; aspect-ratio: 4/3; }
  .featured .copy { grid-column: 2 / span 1; }
  .spec-strip { grid-column: 1 / span 2; grid-template-columns: repeat(3, 1fr); }
  .triple-grid { grid-template-columns: 1fr; }
  .triple-col { border-right: 0; border-bottom: 1px solid var(--ink); }
  .triple-col:last-child { border-bottom: 0; }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .rcard.big, .rcard.med { grid-column: span 2; grid-row: auto; }
  .rcard { grid-column: span 1; }
  .nl-grid { grid-template-columns: 1fr; gap: 36px; }

  /* ---- RANKINGS ---- */
  .dash-head .top { flex-direction: column; align-items: flex-start; gap: 18px; }
  .dash-head .status { text-align: left; }
  .kpi { grid-template-columns: repeat(3, 1fr); }
  .kpi > div:nth-child(3n) { border-right: 0; }

  /* ---- REVIEW ---- */
  .ds-head-grid { grid-template-columns: 1fr; gap: 24px; }
  .ds-score-block { grid-template-columns: 1fr; }
  .ds-gallery { grid-template-columns: 1fr 1fr; }
  .ds-gallery .panel.main { grid-row: auto; grid-column: 1 / span 2; }
  .ds-related .grid { grid-template-columns: repeat(2, 1fr); }

  /* ---- HISTORIA ---- */
  .h-cover-inner { grid-template-columns: 1fr; gap: 36px; }
  .h-cover .decor { max-width: 320px; }
  .index-inner { grid-template-columns: 1fr; gap: 24px; }
  .index-list { grid-template-columns: repeat(3, 1fr); }
  .chap-head { grid-template-columns: 1fr; gap: 20px; }
  .chap-side { position: static; }
  .chap-body { grid-template-columns: 1fr; gap: 24px; }
  .chap-body > div:empty { display: none; }
  .h-stats, .h-pullquote { grid-column: 1 / -1; }
  .h-pullquote { margin: 40px 0; padding: 40px; }
  .h-cta-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ================= TELÉFONO (<= 600px) ================= */
@media (max-width: 600px) {
  :root { --pad-x: 18px; }
  body { font-size: 15px; }

  /* topbar: solo la marca centrada */
  .topbar-inner { display: flex; justify-content: center; padding: 10px var(--pad-x); }
  .meta-left, .meta-right { display: none; }
  .brand { font-size: 19px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }

  /* ---- HOME ---- */
  .cover-grid { display: flex; flex-direction: column; border-top: 0; }
  .cover-grid > * { border-right: 0 !important; padding: 18px var(--pad-x); }
  .coord { display: none; }
  .cv-title { padding: 24px var(--pad-x) 28px; }
  .cv-title h1 { font-size: clamp(46px, 14vw, 72px); line-height: 0.9; }
  .cv-title .deck { font-size: 16px; }
  .cv-face { grid-template-rows: none; grid-template-columns: repeat(2, 1fr); border-right: 0; }
  .cv-face .face { border-right: 1px solid var(--rule-soft); }

  .ticker-track { font-size: 12px; gap: 36px; }

  .featured { padding: 48px 0 56px; }
  .featured-grid { grid-template-columns: 1fr; gap: 20px; }
  .featured .pic, .featured .copy { grid-column: 1; }
  .featured .copy h2 { font-size: 44px; }
  .spec-strip { grid-column: 1; grid-template-columns: repeat(2, 1fr); }
  .spec-strip > div:nth-child(2n) { border-right: 0; }

  .triple { padding: 48px 0; }
  .reviews-grid { grid-template-columns: 1fr; border-left: 0; }
  .rcard, .rcard.big, .rcard.med { grid-column: span 1; }
  .rcard .pic { margin: 0 -18px 18px; }
  .rcard.big h3 { font-size: 30px; }
  .latest, .ds-related { padding: 56px 0; }
  .latest-head h2 { font-size: clamp(40px, 11vw, 64px); }
  .nl-form { flex-direction: column; }
  .nl-perks { gap: 16px; }

  /* ---- RANKINGS ---- */
  .dash-head h1 { font-size: clamp(44px, 12vw, 72px); }
  .kpi { grid-template-columns: repeat(2, 1fr); }
  .kpi > div { border-right: 1px solid rgba(255,255,255,.1) !important; }
  .kpi > div:nth-child(2n) { border-right: 0 !important; }
  .rk-controls { gap: 16px; }
  .rk-controls .ctrl-group { width: 100%; }
  #region-sel { width: 100%; }
  /* leaderboard compacto: oculto bandera, dejo Rank · Cubero · Tiempo */
  .rk-head, .rk-row { grid-template-columns: 46px 1fr 92px; }
  .rk-head > *:nth-child(2), .rk-row .fl { display: none; }
  .rk-row .nm { font-size: 14px; }
  .rk-row .rk, .rk-row .tm { font-size: 18px; }
  /* leaderboard viejo del template (variant A) si se usa */
  .lb-wrap .row-head, .lb-wrap .row { grid-template-columns: 44px 1fr 84px; }
  .lb-wrap .row-head > *:nth-child(n+4):nth-child(-n+9),
  .lb-wrap .row > *:nth-child(n+4):nth-child(-n+9) { display: none; }
  .athletes { grid-template-columns: 1fr; }

  /* ---- REVIEW ---- */
  .doc-meta-inner { flex-direction: column; gap: 4px; align-items: flex-start; font-size: 10px; }
  .ds-head h1 { font-size: clamp(40px, 11vw, 64px); }
  .ds-score { grid-template-columns: 1fr; gap: 18px; padding: 24px; }
  .ds-score .big { font-size: 110px; }
  .ds-gallery { grid-template-columns: 1fr; }
  .ds-gallery .panel.main { grid-column: 1; }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-grid > div:nth-child(3n) { border-right: 1px solid var(--rule-soft); }
  .spec-grid > div:nth-child(2n) { border-right: 0; }
  .ds-section { grid-template-columns: 1fr; gap: 8px; }
  .ds-section h2 { font-size: 36px; }
  .ds-body { grid-template-columns: 1fr; gap: 8px; }
  .ds-body .label { padding-top: 0; }
  .pc { grid-template-columns: 1fr; }
  .pc .pros { border-right: 0; border-bottom: 2px solid var(--ink); }
  .ds-callout { grid-template-columns: 1fr; }
  .ds-callout .side { writing-mode: horizontal-tb; transform: none; padding: 12px; }
  .ds-related .grid { grid-template-columns: 1fr; }
  .ds-related h2 { font-size: 40px; }

  /* ---- HISTORIA ---- */
  .h-cover-inner { padding: 48px 0 36px; }
  .h-cover h1 { font-size: clamp(56px, 16vw, 96px); }
  .h-cover .meta { flex-wrap: wrap; gap: 10px 18px; }
  .index-list { grid-template-columns: repeat(2, 1fr); }
  .chap { padding: 56px 0; }
  .chap-yr { font-size: 72px; }
  .chap-headline { font-size: 40px; }
  .chap-body p.lede { font-size: 18px; }
  .h-stats { grid-template-columns: 1fr; }
  .h-stats > div { border-right: 0; border-bottom: 1px solid var(--rule-soft); }
  .rec-row { grid-template-columns: 60px 1fr; gap: 8px 12px; padding: 14px 16px; }
  .rec-row .ev, .rec-row .delta { display: none; }
  .rec-row .yr { font-size: 22px; }
  .rec-row .nm { font-size: 17px; }
  .rec-row .tm { font-size: 20px; grid-column: 2; }
  .rec-row.head { display: none; }
  .h-cta h2 { font-size: 40px; }
}