/* Cohorte 2026 — Landing CSS
   Referencia: agents/GRAPHIC-ENVIRONMENT-UNIFIED.md (ODS v1.0)
   Autor: Roberto Ocampo · Ocampo-Infra Agent System — theme switcher + langfix 2026-06-29 */

/* === Variables CSS (paleta Cohorte / ODS) === */
:root {
  --ods-primary:        #1a6fcf;
  --ods-primary-dark:   #0f4a8a;
  --ods-accent:         #f59e0b;
  --ods-accent-dark:    #b45309;
  --ods-success:        #16a34a;
  --ods-bg:             #0d1b2a;
  --ods-bg-mid:         #112436;
  --ods-bg-card:        #162d42;
  --ods-text:           #e8edf2;
  --ods-text-muted:     #94a8bb;
  --ods-border:         #1e3a52;
  --ods-glow:           0 0 24px rgba(26,111,207,.35);
  --ods-glow-accent:    0 0 20px rgba(245,158,11,.4);
  --touch-min:          44px;
  --radius-card:        .75rem;
  --radius-pill:        50rem;
  font-size: 16px;
}

/* === Theme: Light — override solo las variables que cambian === */
:root[data-theme="light"] {
  --ods-bg:          #f0f5fb;
  --ods-bg-mid:      #e4edf6;
  --ods-bg-card:     #ffffff;
  --ods-text:        #0d1b2a;
  --ods-text-muted:  #4a6278;
  --ods-border:      #bdd0e3;
  /* Accent oscurecido para contraste AA sobre fondo claro */
  --ods-accent:      #c07000;
  --ods-accent-dark: #8c4f00;
  --ods-glow:        0 0 24px rgba(26,111,207,.15);
  --ods-glow-accent: 0 0 20px rgba(192,112,0,.2);
}

/* === Base === */
*,*::before,*::after { box-sizing: border-box; }

body {
  background: var(--ods-bg);
  color: var(--ods-text);
  font-family: system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  line-height: 1.6;
  margin: 0;
  scroll-behavior: smooth;
}

/* Bilingual display — PHP injects data-lang on <html> */
html[data-lang="es"] [lang="en"] { display: none !important; }
html[data-lang="en"] [lang="es"] { display: none !important; }

/* Lang toggle shows ONLY the OTHER language (click = switch to it) */
html[data-lang="es"] .lang-toggle .lang-btn[data-lang="es"] { display: none !important; }
html[data-lang="en"] .lang-toggle .lang-btn[data-lang="en"] { display: none !important; }
.lang-toggle .lang-sep { display: none !important; }

/* === Navbar === */
.navbar-cohorte {
  background: rgba(13,27,42,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ods-border);
}
.navbar-cohorte .navbar-brand span { color: var(--ods-accent); }
.navbar-cohorte .nav-link {
  color: var(--ods-text-muted) !important;
  min-height: var(--touch-min);
  display: flex;
  align-items: center;
  transition: color .2s;
}
.navbar-cohorte .nav-link:hover,
.navbar-cohorte .nav-link:focus { color: var(--ods-text) !important; }

/* Lang toggle */
.lang-toggle {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-pill);
  padding: .25rem .75rem;
  cursor: pointer;
  color: var(--ods-text-muted);
  font-size: .85rem;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: border-color .2s, color .2s;
}
.lang-toggle:hover { border-color: var(--ods-primary); color: var(--ods-text); }
.lang-btn.active { color: var(--ods-accent) !important; font-weight: 900; }

/* Theme toggle button (sol/luna) */
.theme-toggle-btn {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: 50%;
  width: 2.2rem;
  height: 2.2rem;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ods-text-muted);
  font-size: .95rem;
  padding: 0;
  transition: border-color .2s, color .2s, background .2s;
  flex-shrink: 0;
}
.theme-toggle-btn:hover {
  border-color: var(--ods-primary);
  color: var(--ods-accent);
  background: rgba(26,111,207,.08);
}

/* Acceder button */
.btn-acceder {
  background: var(--ods-primary);
  color: #fff !important;
  border-radius: var(--radius-pill);
  padding: .4rem 1.1rem;
  font-weight: 600;
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  transition: background .2s, box-shadow .2s;
  text-decoration: none;
}
.btn-acceder:hover { background: var(--ods-primary-dark); box-shadow: var(--ods-glow); }

/* === Hero === */
.hero-section {
  min-height: auto;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0a1628 0%, #0d1b2a 50%, #071520 100%);
  position: relative;
  overflow: hidden;
  /* Mobile-first: footprint conservador (ver feedback_conservative_typography_footprint) */
  padding: 2.5rem 0 2rem;
}
@media (min-width:768px)  { .hero-section { padding: 3.25rem 0 2.5rem; } }
@media (min-width:1024px) { .hero-section { padding: 4rem 0 3rem; min-height: 92vh; } }
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 70% 50%, rgba(26,111,207,.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-lema {
  font-style: italic;
  font-size: clamp(1rem,2.2vw,1.25rem);
  color: var(--ods-accent);
  border-left: 3px solid var(--ods-accent);
  padding-left: 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}
.hero-title {
  font-size: clamp(1.5rem,4vw,2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: .85rem;
}
.hero-title mark {
  background: none;
  color: var(--ods-primary);
}
.hero-sub {
  font-size: clamp(.95rem,2vw,1.15rem);
  color: var(--ods-text-muted);
  margin-bottom: 2rem;
}

/* === Buttons === */
.btn-primary-ods {
  background: var(--ods-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: .75rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  min-height: var(--touch-min);
  cursor: pointer;
  transition: background .2s, box-shadow .2s, transform .15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.btn-primary-ods:hover {
  background: var(--ods-primary-dark);
  box-shadow: var(--ods-glow);
  transform: translateY(-2px);
  color: #fff;
}
.btn-secondary-ods {
  background: transparent;
  color: var(--ods-text);
  border: 1.5px solid var(--ods-border);
  border-radius: var(--radius-pill);
  padding: .75rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  min-height: var(--touch-min);
  cursor: pointer;
  transition: border-color .2s, color .2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.btn-secondary-ods:hover { border-color: var(--ods-primary); color: var(--ods-primary); }

.btn-accent-ods {
  background: var(--ods-accent);
  color: #0d1b2a;
  border: none;
  border-radius: var(--radius-pill);
  padding: .75rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  min-height: var(--touch-min);
  cursor: pointer;
  transition: background .2s, box-shadow .2s, transform .15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.btn-accent-ods:hover {
  background: var(--ods-accent-dark);
  box-shadow: var(--ods-glow-accent);
  transform: translateY(-2px);
  color: #0d1b2a;
}

/* === Sections === */
/* Mobile-first: footprint conservador (ver feedback_conservative_typography_footprint) */
section { padding: 2.5rem 0; }
@media (min-width:768px)  { section { padding: 3rem 0; } }
@media (min-width:1024px) { section { padding: 4rem 0; } }
.section-dark { background: var(--ods-bg); }
.section-mid  { background: var(--ods-bg-mid); }

.section-label {
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: .75rem;
  color: var(--ods-primary);
  font-weight: 700;
  margin-bottom: .5rem;
}
.section-title {
  font-size: clamp(1.35rem,3vw,2rem);
  font-weight: 800;
  margin-bottom: .85rem;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--ods-text-muted);
  max-width: 60ch;
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
}

/* === Problem cards === */
.problem-card {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  height: 100%;
  position: relative;
  transition: border-color .2s, box-shadow .2s;
}
.problem-card:hover { border-color: var(--ods-primary); box-shadow: var(--ods-glow); }
.problem-icon { font-size: 2rem; margin-bottom: .75rem; }

/* === Money table === */
.money-table { width: 100%; border-collapse: collapse; }
.money-table th {
  background: var(--ods-primary);
  color: #fff;
  padding: .75rem 1rem;
  text-align: left;
  font-weight: 700;
}
.money-table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--ods-border);
  vertical-align: top;
}
.money-table tr:nth-child(even) td { background: var(--ods-bg-mid); }
.money-table tr:hover td { background: rgba(26,111,207,.1); }

/* === Curriculum blocks === */
.block-card {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  height: 100%;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.block-card:hover {
  border-color: var(--ods-primary);
  box-shadow: var(--ods-glow);
  transform: translateY(-3px);
}
.block-badge {
  background: var(--ods-primary);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: .2rem .7rem;
  font-size: .75rem;
  font-weight: 700;
  margin-bottom: .75rem;
  display: inline-block;
}
.block-title { font-weight: 700; font-size: 1.05rem; margin-bottom: .5rem; }
.block-terms { list-style: none; padding: 0; margin: 0; }
.block-terms li { padding: .2rem 0; color: var(--ods-text-muted); font-size: .9rem; }
.block-terms li::before { content: '› '; color: var(--ods-primary); }

/* Term chips */
.terms-container { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
.term-chip {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-pill);
  padding: .3rem .85rem;
  font-size: .8rem;
  color: var(--ods-text-muted);
  cursor: default;
  transition: border-color .2s, color .2s, background .2s;
}
.term-chip:hover { border-color: var(--ods-primary); color: var(--ods-text); background: rgba(26,111,207,.12); }

/* Pro Track accordion */
.pro-track-toggle {
  background: linear-gradient(135deg,rgba(26,111,207,.15),rgba(245,158,11,.1));
  border: 1px dashed var(--ods-accent);
  border-radius: var(--radius-card);
  padding: 1rem 1.5rem;
  cursor: pointer;
  width: 100%;
  text-align: left;
  color: var(--ods-accent);
  font-weight: 700;
  font-size: .95rem;
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  min-height: var(--touch-min);
  transition: background .2s;
}
.pro-track-toggle:hover { background: linear-gradient(135deg,rgba(26,111,207,.2),rgba(245,158,11,.15)); }
.pro-track-toggle .arrow { margin-left: auto; transition: transform .3s; }
.pro-track-toggle[aria-expanded="true"] .arrow { transform: rotate(180deg); }

.pro-track-body {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-card);
  padding: 1.25rem 1.5rem;
  margin-top: .5rem;
}
.pro-category { margin-bottom: 1rem; }
.pro-category-title { color: var(--ods-accent); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: .35rem; }
.pro-chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.pro-chip {
  background: rgba(245,158,11,.1);
  border: 1px solid rgba(245,158,11,.3);
  border-radius: var(--radius-pill);
  padding: .2rem .7rem;
  font-size: .75rem;
  color: var(--ods-accent);
}

/* === Sneak peek / Insights === */
.insight-card {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  height: 100%;
  transition: box-shadow .2s;
}
.insight-card:hover { box-shadow: var(--ods-glow); }
.insight-header {
  background: linear-gradient(90deg,var(--ods-primary-dark),rgba(26,111,207,.4));
  padding: 1.25rem 1.5rem;
}
.insight-header h3 { font-size: 1.05rem; font-weight: 700; margin: 0; }
.insight-body { padding: 1.25rem 1.5rem; }
.ba-table { width: 100%; border-collapse: collapse; font-size: .9rem; margin-top: .75rem; }
.ba-table th { background: rgba(26,111,207,.2); padding: .5rem .75rem; text-align: left; font-weight: 700; color: var(--ods-primary); }
.ba-table td { padding: .5rem .75rem; border-bottom: 1px solid var(--ods-border); }
.ba-table .before-col { color: var(--ods-text-muted); }
.ba-table .after-col { color: var(--ods-success); font-weight: 600; }
.analogy-box {
  background: rgba(245,158,11,.08);
  border-left: 3px solid var(--ods-accent);
  border-radius: 0 .5rem .5rem 0;
  padding: .75rem 1rem;
  font-size: .9rem;
  font-style: italic;
  color: var(--ods-text-muted);
  margin-top: 1rem;
}

/* === Pillars === */
.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-card);
  margin-bottom: .75rem;
  transition: border-color .2s, box-shadow .2s;
}
.pillar-item:hover { border-color: var(--ods-primary); box-shadow: var(--ods-glow); }
.pillar-number {
  background: var(--ods-primary);
  color: #fff;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: .85rem;
  flex-shrink: 0;
  margin-top: .1rem;
}
.pillar-text h5 { font-size: .95rem; font-weight: 700; margin: 0 0 .2rem; }
.pillar-text p  { font-size: .85rem; color: var(--ods-text-muted); margin: 0; }

/* DCV box */
.dcv-box {
  background: linear-gradient(135deg,rgba(26,111,207,.12),rgba(245,158,11,.08));
  border: 1px solid var(--ods-primary);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.dcv-box p { margin: 0; font-size: .95rem; }

/* === Deck downloads === */
.deck-card {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: border-color .2s, box-shadow .2s;
}
.deck-card:hover { border-color: var(--ods-accent); box-shadow: var(--ods-glow-accent); }
.deck-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.deck-card h4 { font-weight: 700; margin-bottom: .5rem; }
.deck-card p  { color: var(--ods-text-muted); font-size: .9rem; flex-grow: 1; }

/* === Pricing === */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 1.5rem; }

.price-card {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-card);
  /* Mobile-first: footprint conservador (ver feedback_conservative_typography_footprint) */
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s;
}
@media (min-width:768px)  { .price-card { padding: 1.5rem 1.25rem; } }
@media (min-width:1024px) { .price-card { padding: 1.75rem 1.5rem; } }
.price-card.featured {
  border-color: var(--ods-accent);
  box-shadow: var(--ods-glow-accent);
  transform: scale(1.03);
  position: relative;
}
@media (max-width:768px) { .price-card.featured { transform: none; } }

.price-badge {
  background: var(--ods-accent);
  color: #0d1b2a;
  border-radius: var(--radius-pill);
  padding: .25rem .85rem;
  font-size: .75rem;
  font-weight: 800;
  display: inline-block;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.price-tier { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ods-text-muted); margin-bottom: .25rem; }
.price-amount { font-size: clamp(1.85rem,5vw,2.35rem); font-weight: 900; line-height: 1; margin-bottom: .25rem; }
.price-amount small { font-size: .9rem; font-weight: 400; color: var(--ods-text-muted); }
.price-anchor { font-size: .8rem; color: var(--ods-accent); margin-bottom: 1rem; }
.price-anchor del { color: var(--ods-text-muted); }
.price-includes { list-style: none; padding: 0; margin: 0 0 1.5rem; flex-grow: 1; }
.price-includes li { padding: .35rem 0; font-size: .9rem; display: flex; gap: .5rem; align-items: flex-start; border-bottom: 1px solid rgba(30,58,82,.5); }
.price-includes li:last-child { border-bottom: none; }
.price-includes .check { color: var(--ods-success); font-weight: 700; flex-shrink: 0; }

/* === About === */
.about-card {
  background: var(--ods-bg-card);
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
}
@media (min-width:768px) { .about-card { padding: 2rem; } }
.about-quote {
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ods-text-muted);
  border-left: 3px solid var(--ods-primary);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  line-height: 1.7;
}

/* === FAQ === */
.faq-item {
  border: 1px solid var(--ods-border);
  border-radius: var(--radius-card);
  margin-bottom: .75rem;
  overflow: hidden;
}
.faq-q {
  background: var(--ods-bg-card);
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 700;
  font-size: .95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: var(--touch-min);
  transition: background .2s;
  border: none;
  width: 100%;
  text-align: left;
  color: var(--ods-text);
}
.faq-q:hover { background: rgba(26,111,207,.12); }
.faq-q .arrow { transition: transform .3s; color: var(--ods-primary); }
.faq-q[aria-expanded="true"] .arrow { transform: rotate(180deg); }
.faq-a { padding: 0 1.25rem; font-size: .9rem; color: var(--ods-text-muted); max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease; }
.faq-a.open { max-height: 300px; padding: .75rem 1.25rem 1rem; }

/* === CTA final === */
.cta-final {
  background: linear-gradient(135deg,#071a2e 0%,#0d1b2a 50%,#071520 100%);
  border-top: 1px solid var(--ods-border);
  padding: 5rem 0;
  text-align: center;
}
.cta-lema {
  font-style: italic;
  font-size: clamp(.95rem,2vw,1.15rem);
  color: var(--ods-accent);
  max-width: 65ch;
  margin: 0 auto 2rem;
  line-height: 1.65;
}
.cta-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

/* === Footer === */
footer {
  background: #07111c;
  border-top: 1px solid var(--ods-border);
  padding: 2rem 0;
  font-size: .85rem;
  color: var(--ods-text-muted);
}
footer a { color: var(--ods-text-muted); text-decoration: none; }
footer a:hover { color: var(--ods-primary); }

/* === Hero diagram (animated SVG) === */
.hero-diagram {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}
#hero-anim svg { width: 100%; height: auto; display: block; }

/* Responsive — tamaños/padding base ya son mobile-first arriba (section, .hero-section,
   .price-card, .hero-title, .section-title, .price-amount); este bloque solo ajusta
   layout/decoración específicos de mobile, NO vuelve a engordar el footprint. */
@media (max-width:768px) {
  .hero-section { text-align: center; }
  .hero-lema { border-left: none; border-top: 3px solid var(--ods-accent); padding-left: 0; padding-top: .75rem; }
  .hero-diagram { margin-top: 2rem; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
}

/* Counter animation */
.counter-anim { display: inline-block; }

/* === Light theme component overrides ===
   Variables adaptan la mayoría de componentes; solo sobreescribir lo hardcodeado. */

/* Navbar */
:root[data-theme="light"] .navbar-cohorte {
  background: rgba(240,245,251,.96);
  border-bottom-color: var(--ods-border);
}
:root[data-theme="light"] .navbar-cohorte .nav-link { color: var(--ods-text-muted) !important; }
:root[data-theme="light"] .navbar-cohorte .nav-link:hover,
:root[data-theme="light"] .navbar-cohorte .nav-link:focus { color: var(--ods-primary) !important; }
:root[data-theme="light"] .navbar-toggler .bi-list { color: var(--ods-text) !important; }

/* Hero */
:root[data-theme="light"] .hero-section {
  background: linear-gradient(135deg, #dde9f7 0%, #f0f5fb 50%, #e4edf6 100%);
}
:root[data-theme="light"] .hero-section::before {
  background: radial-gradient(ellipse 60% 60% at 70% 50%, rgba(26,111,207,.07) 0%, transparent 70%);
}

/* CTA final */
:root[data-theme="light"] .cta-final {
  background: linear-gradient(135deg, #dde9f7 0%, #f0f5fb 50%, #e4edf6 100%);
  border-top-color: var(--ods-border);
}

/* Footer */
:root[data-theme="light"] footer { background: #d4e2ef; }

/* Botón secundario — texto oscuro sobre fondo claro */
:root[data-theme="light"] .btn-secondary-ods { color: var(--ods-text); border-color: var(--ods-border); }
:root[data-theme="light"] .btn-secondary-ods:hover { color: var(--ods-primary); border-color: var(--ods-primary); }

/* Insight header — mantener gradiente azul oscuro (legible, decorativo) */
/* Pro track toggle — usa rgba, adapta solo */
/* money-table hover */
:root[data-theme="light"] .money-table tr:hover td { background: rgba(26,111,207,.07); }

/* Price card featured — sombra más suave en light */
:root[data-theme="light"] .price-card.featured { box-shadow: 0 0 24px rgba(192,112,0,.2); }
