body {
  background: linear-gradient(180deg, #f7faff 0%, #e7efff 100%);
  color: #111;
  font-family: 'Inter', sans-serif;
  margin: 0;
}

header {
  text-align: center;
  padding: 120px 20px 100px;
  background: radial-gradient(circle at 50% 20%, rgba(0,102,255,0.2), transparent 70%);
}

header h1 {
  font-size: 3rem;
  background: linear-gradient(90deg, #005eff, #00c6ff);
  -webkit-background-clip: text;
  color: transparent;
}

header p {
  font-size: 1.2rem;
  color: #333;
  opacity: 0.85;
  max-width: 650px;
  margin: 0 auto;
}

.btn-primary {
  background: linear-gradient(90deg, #007bff, #00bfff);
  color: white;
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: 0.3s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 100, 255, 0.35);
}

/* ======== PLANES PREVIEW ======== */
#planes-preview {
  padding: 80px 20px;
  text-align: center;
}

#planes-preview h2 {
  color: #003366;
  margin-bottom: 40px;
}

.plans-scroll {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  max-width: 950px;
  margin: auto;
}

.plans-container {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 20px;
  scrollbar-width: none;        /* Firefox */
  -ms-overflow-style: none;     /* IE / Edge antiguo */
}

.plans-container::-webkit-scrollbar {
  display: none;                /* Chrome, Safari, Edge moderno */
}

.plan-card {
  background: white;
  border-radius: 16px;
  padding: 30px;
  min-width: 260px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  text-align: center;
  flex: 0 0 auto;
  transition: transform 0.3s;
}

.plan-card:hover {
  transform: translateY(-5px);
}

.plan-price {
  font-size: 1.4rem;
  color: #005eff;
  margin: 8px 0;
  font-weight: 600;
}

/* ======== FLECHAS SCROLL ======== */
.scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 94, 255, 0.15);
  color: white;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0;
  z-index: 10;
  pointer-events: none;
}

.plans-scroll:hover .scroll-btn {
  opacity: 0.25;
  pointer-events: auto;
}

.scroll-btn:hover {
  opacity: 0.9;
  background: rgba(0, 94, 255, 0.5);
}

.scroll-left {
  left: 10px;
}

.scroll-right {
  right: 10px;
}

.scroll-btn.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ======== FOOTER ======== */
footer {
  text-align: center;
  padding: 60px 20px;
  background: rgba(245,248,255,0.9);
  color: #333;
  font-size: 0.95rem;
  line-height: 1.6;
  border-top: 1px solid rgba(0,0,0,0.05);
}