/* ================================================
   LA PAPELERÍA DE MAMI - Estilos Globales
   ================================================ */

:root {
  --color-yellow: #FFC107;
  --color-yellow-dark: #E6A800;
  --color-teal: #0891B2;
  --color-teal-light: #22D3EE;
  --color-orange: #F97316;
  --color-dark: #1E293B;
  --color-gray: #64748B;
}

html { scroll-behavior: smooth; }

body { font-family: 'Poppins', sans-serif; }

/* ---- Navbar ---- */
.nav-link.active {
  color: var(--color-teal);
  font-weight: 700;
}

/* ---- Mobile menu ---- */
#mobile-menu {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.35s ease;
}
#mobile-menu.open {
  max-height: 500px;
  opacity: 1;
}

/* ---- Hero ---- */
.hero-gradient {
  background: linear-gradient(135deg, #0f2744 0%, #0891B2 60%, #0e7490 100%);
}

/* ---- Buttons ---- */
.btn-yellow {
  background: var(--color-yellow);
  color: var(--color-dark);
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 50px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 15px;
  transition: all 0.2s;
}
.btn-yellow:hover {
  background: var(--color-yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,193,7,0.45);
}

.btn-teal {
  background: var(--color-teal);
  color: #fff;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 50px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 15px;
  transition: all 0.2s;
}
.btn-teal:hover {
  background: #0e7490;
  transform: translateY(-2px);
}

/* ---- Service cards ---- */
.service-card { transition: transform 0.2s, box-shadow 0.2s; }
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.11);
}

/* ---- Section title accent ---- */
.section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: var(--color-yellow);
  border-radius: 2px;
  margin: 12px auto 0;
}

/* ---- WhatsApp floating button ---- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  background: #25D366;
  color: #fff;
  border-radius: 50px;
  padding: 13px 22px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(37,211,102,0.55);
}

/* ---- Animations ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-fadeInUp { animation: fadeInUp 0.65s ease both; }
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }