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

/* ── VARIABLES ── */
:root {
  --bg: #000000;
  --s1: #141414;
  --s2: #1e1e1e;
  --s3: #262626;
  --border: #1e1e1e;
  --border2: #2a2a2a;
  --border3: #424242;
  --text: #ffffff;
  --muted: #a5a5a5;
  --dim: #525252;
  --green: #037c46;
  --green-dark: #245f37;
  --green-glow: #171f0f;
  --green-bright: #32cd87;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
}

/* ── GLOBALS ── */
html { scroll-behavior: smooth; overflow-x: hidden; }
body { background: var(--bg); color: var(--text); font-family: 'Poppins', sans-serif; font-size: 16px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }

/* ── LAYOUT ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 7rem 0; }
.section-sm { padding: 4rem 0; }

/* ── NAV VARIANTE 1 — Rectangular pill (index, servicios) ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 1.5rem;
  display: flex;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
}
.nav-pill {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: rgba(20, 20, 20, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 1.25rem;
  width: 100%;
  max-width: 1100px;
  box-sizing: border-box;
}
.nav-logo { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; flex-shrink: 0; }
.nav-logo span { color: var(--green-bright); }
.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; flex: 1; }
.nav-links a { font-size: 0.875rem; color: var(--muted); transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta { margin-left: auto; flex-shrink: 0; }

/* btn-primary variante 1 (index, servicios): fondo blanco, texto oscuro */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--text); color: var(--bg);
  font-size: 0.875rem; font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm); border: none;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.88; }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: transparent; color: var(--text);
  font-size: 0.875rem; font-weight: 500;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm); border: 1px solid var(--border3);
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--muted); background: var(--s1); }

/* ── NAV VARIANTE 2 — Rounded pill (nosotros, productos, legales) ── */
/* Override solo cuando se usa la clase .nav-pill--round en el HTML */
/* En nosotros.html y productos.html el nav-pill es border-radius:999px */
/* Se maneja con clases override en cada CSS de página */

/* ── HAMBURGER / MOBILE MENU ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  margin-left: auto;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-menu {
  display: flex;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.97);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  /* Estado cerrado */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-16px) scale(0.98);
  transition: opacity 0.32s ease, visibility 0.32s, transform 0.32s ease;
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
/* Links entran escalonados — el button.close es nth-child(1), los links desde nth-child(2) */
.mobile-menu a {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.28s ease, transform 0.28s ease, color 0.2s;
  font-size: 1.5rem; font-weight: 600; color: var(--text);
}
.mobile-menu.open a:nth-child(2) { opacity:1; transform:none; transition-delay: 0.07s; }
.mobile-menu.open a:nth-child(3) { opacity:1; transform:none; transition-delay: 0.13s; }
.mobile-menu.open a:nth-child(4) { opacity:1; transform:none; transition-delay: 0.19s; }
.mobile-menu.open a:nth-child(5) { opacity:1; transform:none; transition-delay: 0.25s; }
.mobile-menu.open a:nth-child(6) { opacity:1; transform:none; transition-delay: 0.31s; }
.mobile-menu.open a:nth-child(7) { opacity:1; transform:none; transition-delay: 0.37s; }
.mobile-menu a:hover { color: var(--green-bright); }
.mobile-menu-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  background: none; border: none;
  color: var(--text); font-size: 1.8rem; line-height: 1;
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}

/* ── SECTION TAG (versión index/servicios: fondo s1, borde border2) ── */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--s1);
  border: 1px solid var(--border2);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 1.2rem;
}

/* ── SECTION HEADER ── */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-header p {
  font-size: 1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ── REVEAL (IntersectionObserver) ── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1), transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── FOOTER COMPARTIDO (grid completo: index, servicios) ── */
footer { border-top: 1px solid var(--border); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding: 4rem 0 2rem;
}
.footer-logo { margin-bottom: 1rem; }
.footer-desc { font-size: 0.85rem; color: var(--muted); line-height: 1.7; max-width: 260px; }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--dim); margin-bottom: 1rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { font-size: 0.85rem; color: var(--muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem 0; border-top: 1px solid var(--border);
  font-size: 0.8rem; color: var(--dim); flex-wrap: wrap; gap: 1rem;
}
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { color: var(--dim); transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--muted); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; padding: 2.5rem 0 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .container { padding: 0 1rem; }
}

/* ── FOOTER SIMPLE (nosotros + legales) ── */
.footer-simple {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}
.footer-simple a { color: var(--muted); margin: 0 0.75rem; }
.footer-simple a:hover { color: var(--text); }

/* ── NAV LEGAL (sticky, fondo opaco, borde inferior) ── */
.nav-legal {
  position: sticky; top: 0; z-index: 100;
  background: rgba(0,0,0,0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-legal .nav-logo { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; }
.nav-legal .nav-logo span { color: var(--green-bright); }
.nav-back { font-size: 0.85rem; color: var(--muted); display: flex; align-items: center; gap: 0.4rem; }
.nav-back:hover { color: var(--text); }

/* ── BTN GREEN (index) ── */
.btn-green {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--green); color: var(--text);
  font-size: 0.9rem; font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm); border: none;
  transition: background 0.2s;
}
.btn-green:hover { background: #049355; }

/* ── PAGE FOOTER (productos, producto-gestion-clubs) ── */
.page-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: #555;
}
.page-footer a { color: var(--green-bright); }