/* ═══════════════════════════════════════════════════════════════════
   SUITEPRO — TEMA OSCURO COMPARTIDO
   Paleta + halos + grain + header con botón volver al paraguas.
   Usado en: landing fiscal, landing legal, landing paraguas.
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --bg-deep:      #07080d;
  --bg-rise:      #0d0f17;
  --bg-card:      #11141d;
  --bg-card2:     #161a25;
  --line:         #1d212e;
  --line-bright:  #2a2f3f;

  --ink-1:        #e7e9ee;
  --ink-2:        #a8acba;
  --ink-3:        #6a6f7e;
  --ink-mute:     #4a4d5a;

  --fiscal:       #4a7dff;
  --fiscal-glow:  rgba(74, 125, 255, 0.18);
  --fiscal-deep:  #1e3b8a;

  --legal:        #8b6dff;
  --legal-glow:   rgba(139, 109, 255, 0.18);
  --legal-deep:   #4c2a8c;

  --accent:       #d4a574;
  --ok:           #5cd49a;
  --warn:         #f5b76d;
  --err:          #f87171;

  --serif:        'Fraunces', Georgia, serif;
  --sans:         'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:         'Geist Mono', 'IBM Plex Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg-deep);
  color: var(--ink-1);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── HALOS ESTÁTICOS DE COLOR ─────────────────────────────────────
   Cada vertical define --halo-1 y --halo-2 según su color.
   Por defecto se hereda del paraguas (fiscal arriba-izq, legal abajo-der). */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    radial-gradient(circle at 18% 22%, var(--halo-1, var(--fiscal-glow)) 0%, transparent 35%),
    radial-gradient(circle at 82% 78%, var(--halo-2, var(--legal-glow)) 0%, transparent 35%);
  opacity: 0.6;
}

/* ── GRAIN / NOISE OVERLAY (textura sutil tipo papel viejo) ─── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.06 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.4;
  mix-blend-mode: overlay;
}

main, header, footer, section { position: relative; z-index: 3; }

/* ── HEADER FIJO ─────────────────────────────────────────────── */
.sp-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 20px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: rgba(7, 8, 13, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.sp-brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-1);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sp-brand .sp-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-1);
  background: linear-gradient(135deg, var(--brand-color, var(--fiscal)) 0%, var(--brand-color-deep, var(--fiscal-deep)) 100%);
}

/* ── BOTÓN "VOLVER AL PARAGUAS" ─────────────────────────────── */
.sp-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--ink-2);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.2s ease;
}
.sp-back-link:hover {
  border-color: var(--brand-color, var(--fiscal));
  color: var(--ink-1);
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(-2px);
}
.sp-back-link::before {
  content: '←';
  font-size: 14px;
  line-height: 1;
}

.sp-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}
.sp-nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s;
}
.sp-nav a:hover { color: var(--ink-1); }
.sp-nav a.cta {
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--brand-color, var(--fiscal));
  color: var(--bg-deep);
  font-weight: 500;
}
.sp-nav a.cta:hover { opacity: 0.92; transform: translateY(-1px); }

/* ── PRIMITIVAS COMUNES ──────────────────────────────────────── */
.sp-section { padding: 120px 48px; max-width: 1240px; margin: 0 auto; }
.sp-kicker {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--brand-color, var(--fiscal));
  margin-bottom: 20px;
}
.sp-h1 {
  font-family: var(--serif);
  font-size: clamp(44px, 7vw, 96px);
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: -0.035em;
  color: var(--ink-1);
}
.sp-h1 em { font-style: italic; color: var(--brand-color, var(--fiscal)); font-weight: 400; }
.sp-h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink-1);
}
.sp-h2 em { font-style: italic; color: var(--brand-color, var(--fiscal)); font-weight: 400; }
.sp-lead {
  font-size: 19px;
  color: var(--ink-2);
  max-width: 56ch;
  line-height: 1.55;
}

.sp-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s;
}
.sp-card:hover { border-color: var(--line-bright); }

.sp-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  background: var(--brand-color, var(--fiscal));
  color: var(--bg-deep);
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.sp-btn-primary:hover { opacity: 0.92; transform: translateY(-1px); }

.sp-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid var(--line-bright);
  background: transparent;
  color: var(--ink-1);
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.2s;
}
.sp-btn-ghost:hover { border-color: var(--brand-color, var(--fiscal)); color: var(--brand-color, var(--fiscal)); }

/* ── FOOTER ──────────────────────────────────────────────────── */
.sp-footer {
  border-top: 1px solid var(--line);
  padding: 60px 48px 40px;
  text-align: center;
  color: var(--ink-3);
  font-size: 13px;
  font-family: var(--mono);
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sp-header { padding: 16px 24px; }
  .sp-section { padding: 80px 24px; }
  .sp-nav { gap: 16px; }
  .sp-nav a:not(.cta):not(.sp-back-link) { display: none; }
}