/* ═══════════════════════════════════════════
   MAIN.CSS — Sistema de diseño global Fluo
   ═══════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --fluo: #AAFF00;
  --fluo-dim: #88cc00;
  --fluo-glow: rgba(170, 255, 0, 0.25);
  --fluo-glow-soft: rgba(170, 255, 0, 0.08);
  --negro: #0a0a0a;
  --gris-900: #111111;
  --gris-800: #1a1a1a;
  --gris-600: #3a3a3a;
  --gris-400: #8a8a8a;
  --gris-200: #d4d4d4;
  --gris-100: #f0f0f0;
  --blanco: #ffffff;

  /* Fondos Semánticos */
  --bg-body: #ffffff;
  --bg-card: #ffffff;
  --bg-sidebar: #f8f8f8; /* Un poco distinto para distinguir en modo claro */

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-float: 0 20px 60px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-fluo: 0 0 40px var(--fluo-glow), 0 0 80px rgba(170,255,0,0.12);

  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  --nav-h: 72px;
  --bg-nav-scrolled: rgba(255, 255, 255, 0.72);
}

/* ── Tema Oscuro ── */
.dark-theme {
  --negro: #ffffff;
  --gris-900: #f0f0f0;
  --gris-800: #d4d4d4;
  --gris-600: #a3a3a3;
  --gris-400: #737373;
  --gris-200: #262626;
  --gris-100: #1a1a1a;
  --gris-50: #111111;
  --blanco: #0a0a0a;

  /* Fondos Semánticos */
  --bg-body: #0a0a0a;
  --bg-card: #141414;
  --bg-sidebar: #111111;
  --bg-nav-scrolled: rgba(10, 10, 10, 0.72);

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4), 0 1px 4px rgba(0,0,0,0.2);
  --shadow-float: 0 20px 60px rgba(0,0,0,0.5), 0 4px 16px rgba(0,0,0,0.3);
}

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

html {
  font-size: 16px;
  scroll-behavior: auto; /* Lenis toma el control */
}

body {
  font-family: var(--font);
  background-color: var(--bg-body);
  color: var(--negro);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Ocultar scroll mientras Lenis carga */
html.lenis { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: var(--font); }

/* ── Tipografía base ── */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.15; }
p { line-height: 1.65; color: var(--gris-600); }

/* ── Utilidades comunes ── */
.accent { color: var(--fluo); }

.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--fluo);
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ── Botones ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--negro);
  color: var(--blanco);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition-bounce), box-shadow var(--transition-med), background var(--transition-fast);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--fluo), var(--fluo-dim));
  opacity: 0;
  transition: opacity var(--transition-med);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover { color: #0a0a0a; transform: scale(1.06); box-shadow: 0 8px 30px rgba(170,255,0,0.3); }
.btn-primary:hover svg { stroke: #0a0a0a; }
.btn-primary:active { transform: scale(0.97); }
.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }

/* ── BLOQUEO MÓVIL ── */
.mobile-blocker {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: var(--bg-body);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px;
}

@media (max-width: 768px) {
  body > *:not(.mobile-blocker) {
    display: none !important;
  }
  .mobile-blocker {
    display: flex;
  }
}

/* ── FORMULARIOS ── */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 28px;
  border: 1.5px solid var(--gris-200);
  border-radius: var(--radius-pill);
  color: var(--gris-600);
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform var(--transition-bounce), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-med);
}
.btn-ghost:hover {
  border-color: var(--fluo);
  color: var(--negro);
  transform: scale(1.04);
  box-shadow: 0 0 0 4px var(--fluo-glow-soft);
}

.btn-xl { padding: 20px 44px; font-size: 1.05rem; }

/* ── Scrollbar custom ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--blanco); }
::-webkit-scrollbar-thumb { background: var(--gris-200); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--fluo); }