/* ─── VARIABLES ─── */
:root {
  --negro:      #f5f5f5;
  --gris-100:   #eeeeee;
  --gris-200:   #e4e4e4;
  --gris-300:   #d0d0d0;
  --gris-400:   #aaaaaa;
  --gris-500:   #777777;
  --blanco:     #0a0a0a;
  --plata:      #383838;
  --plata-viva: #181818;

  --verde:      #00c896;
  --azul:       #0057b8;

  --font-display: 'Exo 2', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --ease-smooth:  cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-expo:    cubic-bezier(0.19, 1, 0.22, 1);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--negro);
  color: var(--blanco);
  overflow-x: hidden;
  cursor: none;
}

/* ─── CURSOR ─── */
.cursor {
  width: 8px; height: 8px;
  background: var(--plata-viva);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid rgba(0,0,0,0.25);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transition: width 0.3s, height 0.3s, border-color 0.3s;
}
.cursor-ring.hover { width: 56px; height: 56px; border-color: rgba(0,0,0,0.5); }

/* ─── PARTÍCULAS ─── */
#particles-canvas {
  position: fixed; inset: 0;
  z-index: 0; pointer-events: none; opacity: 0.3;
}

/* ─── HEADER ─── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 24px 48px;
  display: flex; align-items: center; justify-content: space-between;
  transition: background 0.4s var(--ease-smooth), padding 0.4s;
}
.header.scrolled {
  background: rgba(245,245,245,0.92);
  backdrop-filter: blur(16px);
  padding: 16px 48px;
  border-bottom: 1px solid var(--gris-300);
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 600;
  letter-spacing: 6px; color: var(--blanco); text-decoration: none;
}
.logo-text span { color: var(--verde); }

.nav { display: flex; gap: 40px; }
.nav a {
  font-size: 0.75rem; letter-spacing: 3px;
  text-transform: uppercase; color: var(--gris-500);
  text-decoration: none; transition: color 0.3s; position: relative;
}
.nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--verde);
  transition: width 0.4s var(--ease-expo);
}
.nav a:hover { color: var(--blanco); }
.nav a:hover::after { width: 100%; }

/* ─── HERO ─── */
.hero {
  position: relative;
  overflow: hidden;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;        /* ← agregar esto */
  padding: 0 48px 0 80px;         /* ← igual que el index */
  border-bottom: 1px solid var(--gris-300);
}

/* cambiar .hero-contenido h1 por .hero h1 */
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 300; line-height: 1.1;
  color: var(--blanco); max-width: 750px; margin-bottom: 32px;
}
.hero h1 em { font-style: italic; color: var(--verde); }

.hero-tag {
  font-size: 0.7rem; letter-spacing: 5px;
  text-transform: uppercase; color: var(--verde);
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.hero-tag::before {
  content: ''; width: 32px; height: 1px; background: var(--verde);
}
.hero-contenido h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 300; line-height: 1.1;
  color: var(--blanco); max-width: 750px; margin-bottom: 32px;
}
.hero-contenido h1 em { font-style: italic; color: var(--verde); }
.hero-sub {
  font-size: 0.92rem; line-height: 1.8;
  color: var(--gris-500); max-width: 560px; margin-bottom: 16px;
}
.btn-primary {
  display: inline-block; margin-top: 32px;
  font-size: 0.72rem; letter-spacing: 3px;
  text-transform: uppercase; font-weight: 500;
  padding: 14px 32px;
  background: var(--blanco); color: var(--negro);
  border: none; cursor: none; text-decoration: none;
  transition: background 0.3s, transform 0.3s var(--ease-expo), color 0.3s;
}
.btn-primary:hover { background: var(--verde); color: #fff; transform: translateY(-2px); }

.hero-scroll-hint {
  position: absolute; bottom: 40px; left: 80px;
  font-size: 0.65rem; letter-spacing: 4px;
  text-transform: uppercase; color: var(--gris-400);
  display: flex; align-items: center; gap: 12px;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--gris-400));
  animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:.3} 50%{opacity:1} }

/* ─── SECCIÓN PAQUETE ─── */
.paquete-section {
  position: relative; z-index: 1;
  padding: 80px 80px 60px;
}

.section-label {
  font-size: 0.68rem; letter-spacing: 5px;
  text-transform: uppercase; color: var(--gris-400);
  margin-bottom: 48px;
  display: flex; align-items: center; gap: 16px;
}
.section-label::after {
  content: ''; flex: 1; height: 1px; background: var(--gris-300);
}

/* CABECERA */
.paquete-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px; align-items: start;
  padding: 48px;
  border: 1px solid var(--gris-300);
  background: var(--gris-100);
  margin-bottom: 2px;
}

.paquete-num {
  font-family: var(--font-display);
  font-size: 5rem; font-weight: 300;
  color: var(--gris-300); line-height: 1;
}

.paquete-info h2 {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 300;
  color: var(--blanco); line-height: 1.15; margin-bottom: 16px;
}
.paquete-info h2 em { font-style: italic; color: var(--verde); }
.paquete-info p {
  font-size: 0.88rem; line-height: 1.8; color: var(--gris-500);
  max-width: 500px;
}

.paquete-precio {
  text-align: right; min-width: 220px;
}
.precio-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 400;
  color: var(--blanco); line-height: 1; margin-bottom: 6px;
}
.precio-label {
  display: block;
  font-size: 0.72rem; letter-spacing: 3px;
  text-transform: uppercase; color: var(--verde);
  margin-bottom: 8px;
}
.precio-nota {
  display: block;
  font-size: 0.72rem; color: var(--gris-500); line-height: 1.5;
}

/* ─── GRID ENTREGABLES ─── */
.entregables-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gris-300);
  border: 1px solid var(--gris-300);
  border-top: none;
  margin-bottom: 80px;
}

.entregable-item {
  background: var(--negro);
  padding: 40px 36px;
  transition: background 0.3s var(--ease-smooth);
}
.entregable-item:hover { background: var(--gris-100); }

.entregable-icon {
  color: var(--verde);
  margin-bottom: 20px;
  transition: transform 0.3s var(--ease-expo);
}
.entregable-item:hover .entregable-icon { transform: translateY(-4px); }

.entregable-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 400;
  color: var(--blanco); margin-bottom: 12px; line-height: 1.3;
}
.entregable-item p {
  font-size: 0.83rem; line-height: 1.75; color: var(--gris-500);
}

/* ─── FRECUENCIAS ─── */
.frecuencias-wrap { margin-bottom: 40px; }

.frecuencias-label {
  font-size: 0.68rem; letter-spacing: 5px;
  text-transform: uppercase; color: var(--gris-400);
  margin-bottom: 32px;
  display: flex; align-items: center; gap: 16px;
}
.frecuencias-label::after {
  content: ''; flex: 1; height: 1px; background: var(--gris-300);
}

.frecuencias-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gris-300);
  border: 1px solid var(--gris-300);
}

.frecuencia-card {
  background: var(--negro);
  padding: 40px 36px;
  position: relative;
  transition: background 0.3s;
}
.frecuencia-card:hover { background: var(--gris-100); }

.frec-badge {
  display: inline-block;
  font-size: 0.6rem; letter-spacing: 3px;
  text-transform: uppercase; font-weight: 500;
  padding: 5px 12px; margin-bottom: 16px;
  background: var(--verde); color: #fff;
}

.frecuencia-card--mid {
  border-left: 2px solid var(--verde);
  border-right: 2px solid var(--verde);
}

.frec-ciclo {
  font-family: var(--font-display);
  font-size: 3.5rem; font-weight: 300;
  color: var(--blanco); line-height: 1; margin-bottom: 8px;
}
.frecuencia-card--mid .frec-ciclo { color: var(--verde); }

.frec-nombre {
  font-size: 0.72rem; letter-spacing: 4px;
  text-transform: uppercase; color: var(--gris-500);
  margin-bottom: 16px;
}

.frec-desc {
  font-size: 0.83rem; line-height: 1.7; color: var(--gris-500);
}

/* NOTA PRECIO */
.precio-detalle {
  font-size: 0.75rem; line-height: 1.7;
  color: var(--gris-400); max-width: 680px;
  border-left: 2px solid var(--gris-300);
  padding-left: 16px; margin-top: 8px;
}

/* ─── CTA FINAL ─── */
.cta-section {
  position: relative; z-index: 1;
  padding: 100px 80px;
  border-top: 1px solid var(--gris-300);
  background: var(--gris-100);
}
.cta-contenido h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300; line-height: 1.2;
  color: var(--blanco); margin-bottom: 20px;
}
.cta-contenido h2 em { font-style: italic; color: var(--verde); }
.cta-contenido p {
  font-size: 0.9rem; color: var(--gris-500);
  margin-bottom: 36px; line-height: 1.7;
}

/* ─── FOOTER ─── */
footer {
  position: relative; z-index: 1;
  padding: 40px 48px;
  border-top: 1px solid var(--gris-300);
  display: flex; align-items: center;
  justify-content: space-between; gap: 20px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem; letter-spacing: 5px; color: var(--gris-400);
}
.footer-back {
  font-size: 0.72rem; letter-spacing: 3px;
  text-transform: uppercase; color: var(--verde);
  text-decoration: none; transition: color 0.3s;
}
.footer-back:hover { color: var(--blanco); }
.footer-copy {
  font-size: 0.7rem; letter-spacing: 2px; color: var(--gris-400);
}

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.9s var(--ease-expo), transform 0.9s var(--ease-expo);
}
.reveal.from-left  { transform: translateX(-40px); }
.reveal.from-right { transform: translateX(40px); }
.reveal.visible    { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .paquete-header { grid-template-columns: 1fr; gap: 24px; }
  .paquete-precio { text-align: left; }
  .entregables-grid,
  .frecuencias-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .header { padding: 20px 24px; }
  .header.scrolled { padding: 14px 24px; }
  .hero { padding: 100px 24px 60px; }
  .hero-scroll-hint { left: 24px; }
  .paquete-section,
  .cta-section { padding: 60px 24px 40px; }
  footer { flex-direction: column; text-align: center; }
  .nav { gap: 20px; }
}