/* ═══════════════════════════════════════════
   SHARED.CSS — AI Company CO
   Responsive + componentes comunes para todas
   las páginas secundarias del sitio
═══════════════════════════════════════════ */

/* ── Reset básico ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Variables ── */
:root {
  --purple:    #5A00B8;
  --purple-l:  #7B2FE0;
  --purple-xl: #9B5FFF;
  --dark:      #0D0D14;
  --dark2:     #111118;
  --dark3:     #16161f;
  --dark4:     #1c1c28;
  --gray:      #8A8D99;
  --gray-l:    #b0b3bf;
  --white:     #FFFFFF;
  --text:      #e8e9f0;
  --border:    rgba(90,0,184,0.18);
  --border2:   rgba(255,255,255,0.06);
  --font-h:    'Orbitron', monospace;
  --font-b:    'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }
body { background: var(--dark); color: var(--text); font-family: var(--font-b); font-weight: 300; line-height: 1.7; overflow-x: hidden; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 2px; }

/* ── Nav compartido ── */
.s-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 5%;
  background: rgba(13,13,20,0.96);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.s-nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.s-nav-logo img {
  width: 40px; height: 40px; object-fit: contain;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 6px rgba(154,95,255,0.4));
}
.s-nav-brand {
  font-family: var(--font-h); font-size: 0.88rem; font-weight: 700;
  color: var(--white); letter-spacing: 0.1em; line-height: 1.1;
}
.s-nav-sub {
  font-family: var(--font-b); font-size: 0.58rem; font-weight: 300;
  color: var(--purple-xl); letter-spacing: 0.15em;
  display: block; text-transform: uppercase;
}
.s-nav-links {
  display: flex; gap: 2rem; list-style: none;
}
.s-nav-links a {
  font-size: 0.83rem; color: var(--gray-l);
  text-decoration: none; transition: color 0.2s;
}
.s-nav-links a:hover { color: var(--white); }
.s-nav-cta {
  font-family: var(--font-b); font-size: 0.82rem; font-weight: 500;
  color: var(--white); background: var(--purple);
  padding: 0.6rem 1.4rem; border-radius: 4px;
  text-decoration: none; white-space: nowrap;
  transition: background 0.2s;
  flex-shrink: 0;
}
.s-nav-cta:hover { background: var(--purple-l); }

/* ── Breadcrumb ── */
.s-breadcrumb {
  padding: 7rem 5% 0;
  font-size: 0.78rem; color: var(--gray);
}
.s-breadcrumb a { color: var(--gray); text-decoration: none; }
.s-breadcrumb a:hover { color: var(--purple-xl); }

/* ── Hero de página interna ── */
.s-hero {
  padding: 9rem 5% 4rem;
  position: relative; overflow: hidden;
}
.s-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(90,0,184,0.2) 0%, transparent 70%);
  pointer-events: none;
}
.s-hero-inner { position: relative; z-index: 2; max-width: 760px; }
.s-label {
  font-size: 0.72rem; font-weight: 500; color: var(--purple-xl);
  letter-spacing: 0.2em; text-transform: uppercase;
  margin-bottom: 0.8rem;
  display: flex; align-items: center; gap: 8px;
}
.s-label::before {
  content: ''; display: inline-block;
  width: 20px; height: 1px; background: var(--purple-xl);
}
.s-h1 {
  font-family: var(--font-h);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.1;
  color: var(--white); margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}
.s-h1 .accent { color: var(--purple-xl); }
.s-hero-desc {
  font-size: 1rem; color: var(--gray-l); max-width: 580px;
  margin-bottom: 2rem; line-height: 1.75;
}

/* ── Botones ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--purple); color: var(--white);
  font-family: var(--font-b); font-size: 0.88rem; font-weight: 500;
  padding: 0.85rem 2rem; border-radius: 4px;
  text-decoration: none; letter-spacing: 0.05em;
  transition: all 0.25s; border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--purple-l); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(90,0,184,0.45); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--gray-l);
  font-family: var(--font-b); font-size: 0.88rem;
  padding: 0.85rem 2rem; border-radius: 4px;
  text-decoration: none; border: 1px solid var(--border2);
  transition: all 0.25s;
}
.btn-ghost:hover { border-color: rgba(90,0,184,0.5); color: var(--white); }
.btn-wa {
  display: inline-flex; align-items: center; gap: 8px;
  background: #25D366; color: var(--white);
  font-family: var(--font-b); font-size: 0.88rem; font-weight: 500;
  padding: 0.85rem 2rem; border-radius: 4px;
  text-decoration: none; transition: all 0.25s;
}
.btn-wa:hover { background: #1ebe5d; transform: translateY(-2px); }
.btn-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }

/* ── Secciones ── */
.s-section { padding: 5rem 5%; }
.s-section-alt { padding: 5rem 5%; background: var(--dark2); }
.s-section-center { text-align: center; }
.s-h2 {
  font-family: var(--font-h);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700; color: var(--white);
  line-height: 1.2; margin-bottom: 0.8rem;
}
.s-h2 .accent { color: var(--purple-xl); }
.s-sub {
  font-size: 0.97rem; color: var(--gray-l);
  max-width: 560px; line-height: 1.7;
  margin-bottom: 2.5rem;
}
h3.s-h3 {
  font-family: var(--font-h); font-size: 0.82rem;
  font-weight: 600; color: var(--white);
  letter-spacing: 0.06em; margin-bottom: 0.6rem;
}

/* ── Cards grid ── */
.s-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2.5rem; }
.s-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 2.5rem; }
.s-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 2.5rem; }
.s-card {
  background: var(--dark3); border: 1px solid var(--border2);
  border-radius: 12px; padding: 2rem;
  transition: all 0.3s; position: relative; overflow: hidden;
}
.s-card::after {
  content: ''; position: absolute; top: 0; left: 0;
  width: 3px; height: 0; background: var(--purple);
  transition: height 0.4s;
}
.s-card:hover::after { height: 100%; }
.s-card:hover { border-color: rgba(90,0,184,0.4); transform: translateY(-3px); }
.s-card-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.s-card p { font-size: 0.87rem; color: var(--gray); line-height: 1.65; }

/* ── Tabla ── */
.s-table-wrap { overflow-x: auto; margin: 1.5rem 0; -webkit-overflow-scrolling: touch; }
.s-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.87rem; min-width: 480px;
}
.s-table th {
  background: var(--purple); color: var(--white);
  padding: 0.8rem 1rem; text-align: left;
  font-family: var(--font-b); font-weight: 500;
}
.s-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border2);
  color: var(--gray-l);
}
.s-table tr:hover td { background: rgba(90,0,184,0.05); }

/* ── FAQ ── */
.s-faq { max-width: 760px; display: flex; flex-direction: column; gap: 2px; margin-top: 2rem; }
.s-faq-item {
  background: var(--dark3); border: 1px solid var(--border2);
  border-radius: 8px; overflow: hidden;
  transition: border-color 0.3s;
}
.s-faq-item.open { border-color: rgba(90,0,184,0.4); }
.s-faq-q {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 1.5rem; cursor: pointer;
  font-size: 0.9rem; color: var(--text); gap: 1rem; user-select: none;
}
.s-faq-q:hover { color: var(--white); }
.s-faq-chevron {
  width: 18px; height: 18px; flex-shrink: 0;
  stroke: var(--purple-xl); fill: none; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.3s;
}
.s-faq-item.open .s-faq-chevron { transform: rotate(180deg); }
.s-faq-a {
  max-height: 0; overflow: hidden;
  padding: 0 1.5rem;
  font-size: 0.87rem; color: var(--gray-l); line-height: 1.7;
  transition: max-height 0.4s ease, padding 0.3s;
}
.s-faq-item.open .s-faq-a { max-height: 300px; padding: 0 1.5rem 1.2rem; }

/* ── CTA box ── */
.s-cta-box {
  background: var(--dark3);
  border: 1px solid rgba(90,0,184,0.35);
  border-radius: 14px; padding: 3rem 2.5rem;
  text-align: center; max-width: 700px; margin: 0 auto;
}
.s-cta-box h2 { font-family: var(--font-h); font-size: clamp(1.2rem, 2.5vw, 1.8rem); color: var(--white); margin-bottom: 0.8rem; }
.s-cta-box p { font-size: 0.95rem; color: var(--gray-l); margin-bottom: 2rem; max-width: 480px; margin-left: auto; margin-right: auto; }

/* ── Callout ── */
.s-callout {
  background: rgba(155,95,255,0.08);
  border-left: 3px solid var(--purple-xl);
  border-radius: 0 8px 8px 0;
  padding: 1.2rem 1.4rem; margin: 1.8rem 0;
  font-size: 0.9rem; color: var(--gray-l); line-height: 1.65;
}
.s-callout strong { color: var(--white); }

/* ── Artículo de blog ── */
.article-body { padding: 2rem 5% 5rem; max-width: 820px; margin: 0 auto; }
.article-body h2 { font-family: var(--font-h); font-size: clamp(1rem, 2vw, 1.35rem); color: var(--purple-xl); margin: 2.5rem 0 1rem; }
.article-body h3 { font-family: var(--font-h); font-size: 0.9rem; color: var(--white); margin: 1.8rem 0 0.7rem; }
.article-body p { color: var(--gray-l); margin-bottom: 1.2rem; font-size: 0.97rem; }
.article-body ul, .article-body ol { color: var(--gray-l); padding-left: 1.5rem; margin-bottom: 1.4rem; }
.article-body li { margin-bottom: 0.5rem; font-size: 0.95rem; }
.article-body strong { color: var(--text); }

/* ── Footer ── */
.s-footer {
  background: var(--dark);
  border-top: 1px solid var(--border2);
  padding: 2.5rem 5%;
}
.s-footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem; padding-bottom: 2rem;
  border-bottom: 1px solid var(--border2);
  margin-bottom: 2rem;
}
.s-footer-brand { font-size: 0.83rem; color: var(--gray); line-height: 1.7; margin-top: 0.8rem; max-width: 260px; }
.s-footer-col-title {
  font-family: var(--font-h); font-size: 0.68rem;
  color: var(--gray); letter-spacing: 0.14em;
  text-transform: uppercase; margin-bottom: 1rem;
}
.s-footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.s-footer-links a { font-size: 0.85rem; color: var(--gray); text-decoration: none; transition: color 0.2s; }
.s-footer-links a:hover { color: var(--purple-xl); }
.s-footer-bottom {
  display: flex; justify-content: space-between;
  align-items: center; font-size: 0.76rem; color: var(--gray);
  flex-wrap: wrap; gap: 0.8rem;
}
.s-footer-bottom a { color: var(--purple-xl); text-decoration: none; }
.s-footer-bottom a:hover { text-decoration: underline; }

/* ══════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .s-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .s-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .s-footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  /* Nav */
  .s-nav { padding: 0.85rem 5%; }
  .s-nav-links { display: none; }
  .s-nav-brand { font-size: 0.75rem; }
  .s-nav-sub { display: none; }
  .s-nav-cta { padding: 0.5rem 1rem; font-size: 0.78rem; }

  /* Hero */
  .s-hero { padding: 7rem 5% 3rem; }
  .s-h1 { font-size: clamp(1.5rem, 6vw, 2.2rem); }
  .s-hero-desc { font-size: 0.95rem; }

  /* Grids */
  .s-grid-3 { grid-template-columns: 1fr; }
  .s-grid-2 { grid-template-columns: 1fr; }
  .s-grid-4 { grid-template-columns: 1fr 1fr; }

  /* Sections */
  .s-section, .s-section-alt { padding: 3.5rem 5%; }
  .s-sub { margin-bottom: 2rem; }

  /* Buttons */
  .btn-row { flex-direction: column; }
  .btn-primary, .btn-ghost, .btn-wa { width: 100%; justify-content: center; }

  /* Footer */
  .s-footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .s-footer-bottom { flex-direction: column; align-items: flex-start; }

  /* CTA box */
  .s-cta-box { padding: 2rem 1.5rem; }

  /* Blog breadcrumb */
  .s-breadcrumb { padding: 5.5rem 5% 0; }
}

@media (max-width: 480px) {
  .s-grid-4 { grid-template-columns: 1fr; }
  .s-h2 { font-size: 1.3rem; }
  .s-cta-box p { font-size: 0.88rem; }
  .article-body { padding: 1.5rem 5% 4rem; }
}

/* ── FAQ script helper ── */
/* Incluir este snippet en cada página con FAQs:
document.querySelectorAll('.s-faq-q').forEach(q=>{
  q.addEventListener('click',()=>{
    const item=q.parentElement;
    const open=item.classList.contains('open');
    document.querySelectorAll('.s-faq-item').forEach(i=>i.classList.remove('open'));
    if(!open)item.classList.add('open');
  });
});
*/