/* ============================================================
   ESTUDIOS — Madame Blog Section
   Hereda tokens de ../style.css
   ============================================================ */

/* Reset hereda de base.css. Re-importamos tokens críticos por si la página
   se sirve aislada. */
:root {
  --madame-blue: #3A00E5;
  --madame-pink: #F472B6;
  --madame-hotpink: #EC4899;
  --madame-yellow: #FACC15;
  --madame-green: #22C55E;
  --madame-orange: #FB923C;
  --madame-lilac: #E8B4F8;
  --madame-black: #0A0A0A;
  --madame-white: #FAFAFA;

  --color-bg: #0A0A0A;
  --color-surface: #141414;
  --color-surface-2: #1c1c1c;
  --color-border: #2A2A2A;
  --color-text: #FAFAFA;
  --color-text-muted: #A0A0A0;
  --color-text-faint: #666666;
  --color-primary: var(--madame-blue);
  --color-primary-hover: #5020FF;
  --color-accent: var(--madame-pink);

  --font-display: 'Clash Display', 'Arial Black', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
}

/* ===== Container ===== */
.estudios-container {
  width: min(100% - 2.5rem, 1200px);
  margin-inline: auto;
}

.estudios-container--narrow {
  width: min(100% - 2.5rem, 760px);
  margin-inline: auto;
}

/* ===== Nav (replica del nav principal pero sticky para subpáginas) ===== */
.est-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}
.est-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}
.est-nav__logo {
  height: 28px;
  width: auto;
}
.est-nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.est-nav__links a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 180ms ease;
}
.est-nav__links a:hover { color: var(--madame-hotpink); }
.est-nav__links a.is-active { color: var(--madame-hotpink); }

.est-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  transition: background 180ms ease, transform 180ms ease;
}
.est-nav__cta:hover { background: var(--color-primary-hover); transform: translateY(-1px); }

@media (max-width: 768px) {
  .est-nav__links { display: none; }
}

/* ===== Hero (landing Estudios) ===== */
.est-hero {
  padding: 7rem 0 4rem;
  border-bottom: 1px solid var(--color-border);
}
.est-hero__eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--madame-hotpink);
  margin-bottom: 1.5rem;
}
.est-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 0.5rem + 7vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}
.est-hero__title em {
  color: var(--madame-hotpink);
  font-style: normal;
}
.est-hero__lede {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 0.95rem + 0.5vw, 1.35rem);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.5;
}

/* ===== Lista de estudios ===== */
.est-list {
  padding: 5rem 0 7rem;
}
.est-list__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .est-list__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .est-list__grid { grid-template-columns: repeat(3, 1fr); }
  .est-list__grid > .est-card--featured {
    grid-column: 1 / -1;
  }
}

.est-card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1),
              border-color 220ms ease,
              background 220ms ease;
}
.est-card:hover {
  transform: translateY(-4px);
  border-color: var(--madame-hotpink);
  background: var(--color-surface-2);
}
.est-card__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--madame-hotpink);
  margin-bottom: 1.5rem;
}
.est-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.est-card--featured .est-card__title {
  font-size: clamp(2rem, 1.2rem + 2vw, 3.25rem);
}
.est-card__excerpt {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  flex: 1;
  line-height: 1.55;
}
.est-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}
.est-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--madame-hotpink);
  font-weight: 700;
}
.est-card__cta::after { content: "→"; transition: transform 200ms ease; }
.est-card:hover .est-card__cta::after { transform: translateX(4px); }

/* ===== Artículo individual ===== */
.est-article {
  padding: 5rem 0 6rem;
}
.est-article__breadcrumb {
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: 2.5rem;
}
.est-article__breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.est-article__breadcrumb a:hover { color: var(--madame-hotpink); }
.est-article__breadcrumb .sep { margin: 0 0.6rem; opacity: 0.5; }

.est-article__eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--madame-hotpink);
  margin-bottom: 1.5rem;
}
.est-article__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 1rem + 3.5vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  text-transform: uppercase;
}
.est-article__title em {
  color: var(--madame-hotpink);
  font-style: normal;
}
.est-article__deck {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.25rem);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 2.5rem;
  max-width: 64ch;
}
.est-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 3.5rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
}
.est-article__meta strong {
  display: block;
  color: var(--color-text);
  font-weight: 700;
  margin-top: 0.25rem;
}

/* ===== Body editorial ===== */
.est-body {
  font-family: var(--font-body);
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.7;
}
.est-body h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 1rem + 2vw, 2.75rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-top: 4rem;
  margin-bottom: 1.5rem;
}
.est-body h2:first-child { margin-top: 0; }
.est-body h2 .num {
  display: inline-block;
  color: var(--madame-hotpink);
  margin-right: 0.6em;
  font-size: 0.7em;
  vertical-align: 0.15em;
}
.est-body h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.005em;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.est-body h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--madame-hotpink);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}
.est-body p {
  margin-bottom: 1.25rem;
  max-width: 68ch;
}
.est-body p.lead {
  font-size: 1.2rem;
  color: var(--color-text);
  font-weight: 500;
  border-left: 3px solid var(--madame-hotpink);
  padding-left: 1.25rem;
  margin-block: 2rem;
  max-width: 64ch;
}
.est-body a {
  color: var(--madame-hotpink);
  text-decoration: none;
  border-bottom: 1px solid rgba(236, 72, 153, 0.35);
  transition: border-color 180ms ease, color 180ms ease;
}
.est-body a:hover {
  color: #ff5fb8;
  border-bottom-color: var(--madame-hotpink);
}
.est-body strong { color: var(--color-text); font-weight: 700; }
.est-body ul, .est-body ol {
  margin: 1rem 0 1.5rem 1.4rem;
  max-width: 68ch;
}
.est-body li { margin-bottom: 0.5rem; }
.est-body li::marker { color: var(--madame-hotpink); }

/* ===== Callout / Bullsh*t Box ===== */
.callout {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.08), rgba(58, 0, 229, 0.08));
  border: 1px solid rgba(236, 72, 153, 0.3);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-block: 2.5rem;
  max-width: 72ch;
}
.callout__label {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--madame-hotpink);
  margin-bottom: 0.75rem;
}
.callout p { margin-bottom: 0.75rem; }
.callout p:last-child { margin-bottom: 0; }

.pullquote {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  line-height: 1.15;
  color: var(--color-text);
  border-left: 4px solid var(--madame-hotpink);
  padding-left: 1.5rem;
  margin-block: 3rem;
  max-width: 28ch;
}

/* ===== Tarjetas dentro del estudio ===== */
.entity-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-block: 2rem;
}
@media (min-width: 768px) {
  .entity-grid { grid-template-columns: repeat(2, 1fr); }
}
.entity-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.entity-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  margin-bottom: 0.4rem;
}
.entity-card__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
}
.tag-threat { background: rgba(236, 72, 153, 0.15); color: var(--madame-hotpink); border: 1px solid rgba(236, 72, 153, 0.35); }
.tag-ally   { background: rgba(34, 197, 94, 0.12); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.3); }
.tag-watch  { background: rgba(250, 204, 21, 0.12); color: #facc15; border: 1px solid rgba(250, 204, 21, 0.3); }
.tag-mover  { background: rgba(251, 146, 60, 0.12); color: #fb923c; border: 1px solid rgba(251, 146, 60, 0.3); }
.entity-card p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 0.6rem;
}

/* ===== Tabla cruzada ===== */
.cross-table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 2rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cross-table th {
  background: var(--color-surface);
  color: var(--madame-hotpink);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  text-align: left;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--color-border);
}
.cross-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  color: var(--color-text-muted);
}
.cross-table tr:last-child td { border-bottom: none; }
.cross-table td:first-child { color: var(--color-text); font-weight: 700; }

/* ===== Footnote / fuentes ===== */
.est-sources {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}
.est-sources h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}
.est-sources ol {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-faint);
  line-height: 1.6;
}
.est-sources a {
  color: var(--color-text-muted);
  word-break: break-word;
}

/* ===== CTA final ===== */
.est-cta {
  margin: 5rem 0 0;
  padding: 3.5rem 2.5rem;
  background: linear-gradient(135deg, var(--madame-blue), #6b1fff);
  border-radius: var(--radius-xl);
  text-align: center;
}
.est-cta__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 1rem + 2vw, 2.75rem);
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.est-cta__body {
  font-family: var(--font-body);
  color: rgba(255, 255, 255, 0.85);
  max-width: 50ch;
  margin: 0 auto 2rem;
}
.est-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--color-text);
  color: var(--madame-black);
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: transform 180ms ease;
}
.est-cta__btn:hover { transform: translateY(-2px); }

/* ===== Footer ===== */
.est-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-faint);
  text-align: center;
}
.est-footer a { color: var(--color-text-muted); text-decoration: none; }
.est-footer a:hover { color: var(--madame-hotpink); }

/* =========================================
   TOOLBAR — Search + Categories
   ========================================= */
.est-toolbar {
  padding: 0 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(to bottom, var(--color-bg) 80%, rgba(10,10,10,0.95));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.est-toolbar__row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  flex-wrap: wrap;
}
.est-search {
  flex: 1 1 320px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: border-color 180ms ease, background 180ms ease;
}
.est-search:focus-within {
  border-color: var(--madame-blue);
  background: rgba(58,0,229,0.06);
}
.est-search__icon {
  width: 18px; height: 18px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.est-search input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  min-width: 0;
}
.est-search input::placeholder { color: var(--color-text-faint); }
.est-search__clear {
  display: none;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border: 0;
  border-radius: 50%;
  background: var(--color-text-faint);
  color: var(--color-bg);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: background 180ms ease;
}
.est-search__clear:hover { background: var(--madame-hotpink); color: #fff; }
.est-results {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Categories */
.est-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
}
.est-cat {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 180ms ease;
  white-space: nowrap;
}
.est-cat:hover {
  border-color: var(--madame-pink);
  color: var(--color-text);
  transform: translateY(-1px);
}
.est-cat.is-active {
  background: var(--madame-blue);
  border-color: var(--madame-blue);
  color: #fff;
}

/* =========================================
   EMPTY STATE
   ========================================= */
.est-empty {
  text-align: center;
  padding: 4rem 1rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  margin-top: 2rem;
}
.est-empty h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--color-text);
}
.est-empty p {
  font-family: var(--font-body);
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}
.est-empty__reset {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  background: var(--madame-blue);
  border: 0;
  color: #fff;
  cursor: pointer;
  transition: transform 180ms ease;
}
.est-empty__reset:hover { transform: translateY(-2px); }

/* =========================================
   SOON CARDS (placeholders)
   ========================================= */
.est-card--soon {
  opacity: 0.55;
  cursor: default;
}
.est-card--soon:hover { transform: none; }

/* =========================================
   SHARE BAR
   ========================================= */
.est-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.2rem;
  margin: 2.5rem 0 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.est-share--bottom {
  margin: 3rem 0 2rem;
  background: linear-gradient(135deg, rgba(58,0,229,0.08), rgba(236,72,153,0.06));
  border-color: rgba(58,0,229,0.25);
}
.est-share__label {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-right: 0.4rem;
}
.est-share__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.95rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  transition: all 180ms ease;
}
.est-share__btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.est-share__btn:hover {
  transform: translateY(-2px);
  border-color: var(--madame-pink);
  background: rgba(244,114,182,0.1);
}
.est-share__btn[data-net="x"]:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.est-share__btn[data-net="linkedin"]:hover { border-color: #0a66c2; background: rgba(10,102,194,0.15); }
.est-share__btn[data-net="facebook"]:hover { border-color: #1877f2; background: rgba(24,119,242,0.15); }
.est-share__btn[data-net="whatsapp"]:hover { border-color: #25d366; background: rgba(37,211,102,0.15); }
.est-share__btn.is-copied {
  border-color: var(--madame-pink);
  background: rgba(244,114,182,0.18);
  color: var(--madame-pink);
}

@media (max-width: 600px) {
  .est-share__btn span:not(.est-share__copy-label) { display: none; }
  .est-share__btn { padding: 0.6rem 0.7rem; }
  .est-share__btn[data-net="copy"] span { display: inline; }
}