/* AtomIA — tokens fieles a la presentación IB50K */
:root {
  --bg-navy: #070b18;
  --bg-navy-2: #0c1330;
  --teal: #2dd4bf;
  --gold: #ffc400;
  --ink: #eef2ff;
  --muted: #9aa4c0;
  --card: #101736;
  --radius: 0.75rem;
  --maxw: 72rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(60rem 30rem at 80% -5%, #12332f 0%, var(--bg-navy) 55%) no-repeat, var(--bg-navy);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  line-height: 1.6;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--teal); color: #04211d; padding: 0.5rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

a { color: var(--teal); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold); outline-offset: 2px;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 11, 24, 0.92);
  border-bottom: 1px solid #1c2447;
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex; align-items: center; gap: 1rem;
  padding-top: 0.75rem; padding-bottom: 0.75rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--ink); }
.brand-logo { border-radius: 50%; }
.brand-mark { border-radius: 50%; border: 1px solid var(--teal); background: #000; }
.brand-name { font-weight: 800; letter-spacing: 0.35em; font-size: 1rem; }
.site-nav { display: flex; gap: 0.85rem; margin-left: auto; }
.site-nav a { color: var(--ink); text-decoration: none; font-size: 0.95rem; }
.site-nav a:hover { color: var(--teal); }

.lang-toggle { display: flex; border: 1px solid var(--teal); border-radius: 999px; overflow: hidden; }
.lang-toggle button {
  background: transparent; color: var(--ink); border: 0;
  padding: 0.35rem 0.8rem; cursor: pointer; font-weight: 700;
}
.lang-toggle button[aria-pressed="true"] { background: var(--teal); color: #04211d; }

/* Hero — réplica slide 1 */
.hero { padding: 4rem 0 3.5rem; }
.hero-grid {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 2rem; align-items: center;
}
.badges-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.badge {
  display: inline-block; margin: 0;
  border: 1px solid var(--teal); border-radius: 999px;
  color: var(--teal); font-weight: 700; font-size: 0.85rem;
  padding: 0.35rem 1.1rem;
}
.badge-gold {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(255, 196, 0, 0.08);
}

.award-block {
  margin-top: 2rem;
  border: 1px solid rgba(255, 196, 0, 0.35);
  background: linear-gradient(135deg, rgba(16, 23, 54, 0.9) 0%, rgba(25, 34, 76, 0.7) 100%);
  padding: 1.5rem;
  text-align: left;
}
.award-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.gold-chip {
  background: rgba(255, 196, 0, 0.12);
  border-color: var(--gold);
  color: var(--gold);
  margin: 0;
}
.award-date {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}
.award-title {
  color: var(--gold);
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.award-subtitle {
  color: var(--ink);
  font-style: italic;
  font-weight: 600;
  margin: 0 0 0.5rem;
}
.award-org {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}
.hero-title {
  margin: 0; color: var(--gold);
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 1.05; letter-spacing: -0.02em; font-weight: 800;
}
.hero-claim { font-size: clamp(1.3rem, 3vw, 2.2rem); line-height: 1.25; font-weight: 800; margin: 1rem 0; }
.claim-accent { color: var(--teal); }
.hero-desc { color: var(--muted); font-size: 1.1rem; max-width: 44rem; }
.hero-logo { text-align: center; }
.hero-logo img {
  max-width: 100%; height: auto;
  border-radius: var(--radius);
  border: 1px solid #232c5c;
  background: #000;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 700;
  padding: 0.7rem 1.4rem; border-radius: 999px; border: 1px solid var(--teal);
}
.btn-primary { background: var(--teal); color: #04211d; }
.btn-ghost { color: var(--teal); background: transparent; }
.btn-ghost:hover { background: rgba(45, 212, 191, 0.12); }

/* Secciones */
.section { padding: 3.5rem 0; }
.section-alt { background: rgba(12, 19, 48, 0.6); }
.eyebrow {
  color: var(--teal); text-transform: uppercase; letter-spacing: 0.2em;
  font-size: 0.8rem; font-weight: 800; margin: 0 0 0.5rem;
}
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin: 0 0 1.5rem; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.card {
  background: var(--card); border: 1px solid #232c5c;
  border-radius: var(--radius); padding: 1.25rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--teal);
  box-shadow: 0 12px 32px rgba(45, 212, 191, 0.12);
}
.card h3 { margin-top: 0; }
.card .role { color: var(--gold); font-weight: 700; margin: 0.25rem 0; }
.step { color: var(--teal); font-weight: 800; margin: 0 0 0.5rem; }

.ticks { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 0.5rem; }
.ticks li::before { content: "✓ "; color: var(--teal); font-weight: 800; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.metric {
  background: var(--card); border: 1px solid #232c5c;
  border-radius: var(--radius); padding: 1.25rem; text-align: center;
}
.metric-value { color: var(--gold); font-size: 1.8rem; font-weight: 800; margin: 0; }
.metric-label { color: var(--muted); margin: 0.5rem 0 0; }
.trl { color: var(--teal); font-weight: 700; margin-top: 1.25rem; }

.contact { text-align: left; }
.contact-desc { color: var(--muted); font-size: 1.1rem; margin-bottom: 1.5rem; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--ink);
  padding: 1.25rem;
}
.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid var(--teal);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.contact-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.contact-value {
  color: var(--teal);
  font-size: 0.95rem;
  word-break: break-all;
}

.site-footer { border-top: 1px solid #1c2447; padding: 1.5rem 0; color: var(--muted); }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-inner p { margin: 0; }
.footer-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--teal); }
.dot-sep { color: #334155; }

/* Nav Toggle (Hamburger) */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--teal);
  border-radius: 0.5rem;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 42px;
  height: 38px;
}
.hamburger-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--teal);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.arrow-desktop { display: inline; }
.arrow-mobile { display: none; }

/* Réplica del deck — Base Layouts */
.icon-chip {
  display: inline-block; margin: 0 0 0.75rem;
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid var(--teal); border-radius: 0.5rem;
  color: var(--teal); font-weight: 800; font-size: 0.9rem;
  padding: 0.25rem 0.7rem; letter-spacing: 0.05em;
}

.chart-fig {
  margin: 0; background: #000;
  border: 1px solid #232c5c; border-radius: var(--radius);
  padding: 1.25rem; text-align: center;
  display: flex; flex-direction: column;
}
.problema-grid {
  display: grid; grid-template-columns: 1fr 1.25fr;
  gap: 1.5rem; align-items: stretch;
}
.problema-cards { display: grid; gap: 1rem; align-content: start; }
.chart-fig img {
  max-width: 100%; width: auto;
  flex: 0 1 auto; min-height: 0;
  max-height: 33rem; margin: auto;
  object-fit: contain;
}
.chart-fig figcaption { color: var(--muted); margin-top: 1rem; }
.chart-fig figcaption strong { color: var(--ink); }

.flow {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.75rem; align-items: stretch;
}
.flow-step ul { margin: 0.75rem 0 0; padding-left: 1.1rem; display: grid; gap: 0.6rem; }
.flow-step li::marker { color: var(--teal); }
.flow-core { border-color: var(--teal); }
.flow-arrow {
  align-self: center; margin: 0;
  color: var(--gold); font-size: 1.8rem; font-weight: 800;
}

.team-card img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  border-radius: 0.5rem; margin-bottom: 0.75rem; background: #000;
}

.lead { color: var(--muted); font-size: 1.1rem; }

/* ========================================================= */
/* MEDIA QUERIES (PLACED AT THE VERY END TO GUARANTEE OVERRIDE) */
/* ========================================================= */

@media (max-width: 900px) {
  .section { padding: 2.25rem 0; }
  .hero { padding: 2rem 0 1.5rem; }
  .hero-title { font-size: clamp(2.2rem, 8vw, 3.2rem); }
  .hero-claim { font-size: clamp(1.15rem, 4vw, 1.5rem); margin: 0.75rem 0; }
  .hero-desc { font-size: 0.95rem; line-height: 1.5; }
  h2 { font-size: clamp(1.35rem, 5vw, 1.8rem); margin-bottom: 1rem; }
  .card { padding: 1rem; }

  .header-inner {
    flex-wrap: wrap;
    position: relative;
  }
  .site-nav {
    display: none;
    width: 100%;
    order: 3;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 0 0.5rem;
    margin-top: 0.5rem;
    border-top: 1px solid #1c2447;
  }
  .site-nav.is-active {
    display: flex;
  }
  .site-nav a {
    font-size: 1.05rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    background: rgba(16, 23, 54, 0.4);
  }
  .site-nav a:hover {
    background: rgba(45, 212, 191, 0.1);
  }
  .lang-toggle {
    margin-left: auto;
  }
  .nav-toggle {
    display: flex;
    margin-left: 0.75rem;
  }

  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .badges-group { justify-content: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; width: 100%; }
  .hero-logo img { max-width: 11rem; width: 100%; }

  .cards-3 { grid-template-columns: 1fr; gap: 0.75rem; }
  .cards-4 { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .metrics { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  
  /* Problema section mobile: full-width cards & hide unreadable chart image */
  .problema-grid { grid-template-columns: 1fr !important; display: block !important; }
  .problema-cards { display: flex !important; flex-direction: column !important; gap: 0.75rem !important; width: 100% !important; }
  .problema-cards .card { width: 100% !important; }
  .chart-fig { display: none !important; }

  .contact-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  
  /* Solución section mobile: full-width cards stacked vertically */
  .flow { display: flex !important; flex-direction: column !important; gap: 0.6rem !important; width: 100% !important; }
  .flow-step { width: 100% !important; }
  .flow-arrow { text-align: center; margin: 0.15rem 0; line-height: 1; }
  .arrow-desktop { display: none !important; }
  .arrow-mobile { display: inline-block !important; font-size: 1.4rem; color: var(--gold); }
}

@media (max-width: 520px) {
  .container { padding: 0 1rem; }
  .hero { padding: 1.5rem 0 1.25rem; }
  .hero-title { font-size: 2.1rem; }
  .hero-claim { font-size: 1.1rem; }
  .hero-desc { font-size: 0.9rem; }
  .badge { font-size: 0.75rem; padding: 0.25rem 0.85rem; margin-bottom: 0.75rem; }
  .btn { padding: 0.6rem 1.1rem; font-size: 0.9rem; }
  .cards-4 { grid-template-columns: 1fr; gap: 0.75rem; }
  .metrics { grid-template-columns: 1fr; gap: 0.75rem; }
  .metric { padding: 0.9rem; }
  .metric-value { font-size: 1.5rem; }
  .metric-label { font-size: 0.85rem; }
  .team-card img { max-height: 200px; object-fit: cover; }
  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { width: 100%; text-align: center; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; flex-direction: column; gap: 0.4rem; }
  .dot-sep { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { transition: none; }
  .card:hover { transform: none; }
}