/* =====================================================
   Plexa - Landing Corporativo (paleta oficial)
   --------------------------------------------------
   Marca:
     #1A53A0  Azul Eléctrico Profundo (primario)
     #00D2FF  Cian Turquesa Brillante (acento)
     gradient(135deg, #1A53A0, #00D2FF)
   Interfaz:
     #3C506C  Azul-Gris Profundo (texto, bordes)
     #FFFFFF  Blanco
     #F0F4F8  Gris Claro Suave
   ===================================================== */
:root {
  --plexa-primary:  #1A53A0;
  --plexa-accent:   #00D2FF;
  --plexa-text:     #3C506C;
  --plexa-bg:       #FFFFFF;
  --plexa-soft:     #F0F4F8;
  --plexa-gradient: linear-gradient(135deg, #1A53A0, #00D2FF);
  --plexa-radius:   8px;
  --plexa-shadow:   0 8px 24px rgba(26, 83, 160, 0.08);
  --plexa-shadow-h: 0 16px 40px rgba(26, 83, 160, 0.15);
}

* {
  font-family: 'Inter', 'Montserrat', 'Open Sans', 'Segoe UI', sans-serif;
  box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
  color: var(--plexa-text);
  background: var(--plexa-bg);
  padding-top: 84px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  color: var(--plexa-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

p { color: var(--plexa-text); }

/* ---------- Utilidades ---------- */
.text-primary-plexa { color: var(--plexa-primary) !important; }
.text-accent        { color: var(--plexa-accent)  !important; }
.text-deep          { color: var(--plexa-text)    !important; }
.bg-primary-plexa   { background: var(--plexa-primary) !important; }
.bg-soft            { background: var(--plexa-soft) !important; }
.bg-gradient-plexa  { background: var(--plexa-gradient) !important; }

.section    { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }

/* ---------- Navbar ---------- */
.navbar-plexa {
  background: #fff;
  box-shadow: 0 2px 12px rgba(26, 83, 160, 0.06);
  padding: .75rem 0;
}
.navbar-plexa .nav-link {
  color: var(--plexa-text);
  font-weight: 500;
  margin: 0 .65rem;
  transition: color .2s;
  position: relative;
}
.navbar-plexa .nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--plexa-accent);
  transition: all .3s;
  transform: translateX(-50%);
}
.navbar-plexa .nav-link:hover { color: var(--plexa-primary); }
.navbar-plexa .nav-link:hover::after { width: 100%; }
.brand-text {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--plexa-primary);
  letter-spacing: .5px;
}

/* ---------- Botones ---------- */
.btn-plexa-primary {
  background: var(--plexa-accent);
  color: #fff;
  border: none;
  border-radius: var(--plexa-radius);
  padding: .75rem 1.75rem;
  font-weight: 600;
  transition: all .25s;
  letter-spacing: .3px;
}
.btn-plexa-primary:hover {
  background: var(--plexa-text);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(60, 80, 108, .25);
}
.btn-plexa-outline {
  background: #fff;
  color: var(--plexa-text);
  border: 2px solid var(--plexa-primary);
  border-radius: var(--plexa-radius);
  padding: .65rem 1.6rem;
  font-weight: 600;
  transition: all .25s;
}
.btn-plexa-outline:hover {
  background: var(--plexa-primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-plexa-light {
  background: #fff;
  color: var(--plexa-text);
  border: none;
  border-radius: var(--plexa-radius);
  padding: .8rem 1.9rem;
  font-weight: 700;
  transition: all .25s;
}
.btn-plexa-light:hover {
  background: var(--plexa-soft);
  transform: translateY(-2px);
  color: var(--plexa-primary);
  box-shadow: 0 10px 25px rgba(0, 0, 0, .15);
}
.btn-whatsapp {
  background: #25D366;
  color: #fff;
  border: none;
  border-radius: var(--plexa-radius);
  padding: .8rem 1.9rem;
  font-weight: 600;
  transition: all .25s;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
}
.btn-whatsapp:hover {
  background: #1da851;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 211, 102, .35);
}

/* ---------- Hero ---------- */
.hero {
  background: #fff;
  padding: 5rem 0 6rem;
  position: relative;
  overflow: hidden;
}
.hero h1 {
  font-size: 3.25rem;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: var(--plexa-primary);
}
.hero h1 .accent-line {
  display: inline-block;
  position: relative;
}
.hero h1 .accent-line::after {
  content: '';
  position: absolute;
  bottom: -8px; left: 0;
  width: 100%; height: 4px;
  background: var(--plexa-gradient);
  border-radius: 2px;
}
.hero p.lead {
  font-size: 1.2rem;
  color: var(--plexa-text);
  max-width: 540px;
  margin-bottom: 2rem;
}
/* hero-visual wrapper: uses .hero-mockup instead of gradient box */
.hero-visual {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

/* ---------- Features ---------- */
.features { background: var(--plexa-soft); }
.feature-card {
  background: #fff;
  border-radius: var(--plexa-radius);
  padding: 2.25rem 2rem;
  text-align: left;
  box-shadow: var(--plexa-shadow);
  transition: all .3s;
  height: 100%;
  border: 1px solid transparent;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--plexa-shadow-h);
  border-color: rgba(0, 210, 255, .3);
}
.feature-icon {
  width: 56px; height: 56px;
  border-radius: var(--plexa-radius);
  background: rgba(26, 83, 160, .08);
  color: var(--plexa-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
}
.feature-card h5 {
  color: var(--plexa-text);
  font-weight: 700;
  margin-bottom: .75rem;
  font-size: 1.15rem;
}
.feature-card p { margin: 0; font-size: .95rem; }

/* ---------- Planes ---------- */
.plans { background: #fff; }
.plan-card {
  background: #fff;
  border-radius: var(--plexa-radius);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--plexa-shadow);
  transition: all .3s;
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 2px solid var(--plexa-soft);
  position: relative;
}
.plan-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--plexa-shadow-h);
  border-color: var(--plexa-accent);
}
.plan-card.popular {
  border-color: var(--plexa-primary);
  background: linear-gradient(180deg, #fff 0%, #F0F4F8 100%);
}
.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--plexa-gradient);
  color: #fff;
  padding: .35rem 1.1rem;
  border-radius: 50px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  box-shadow: 0 6px 18px rgba(26, 83, 160, .3);
}
.plan-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--plexa-text);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.plan-price {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--plexa-primary);
  margin: .4rem 0 1.5rem;
  line-height: 1;
}
.plan-price small {
  font-size: 1rem;
  font-weight: 400;
  color: var(--plexa-text);
}
.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  flex-grow: 1;
}
.plan-features li {
  padding: .55rem 0;
  display: flex;
  align-items: flex-start;
  font-size: .92rem;
  color: var(--plexa-text);
  border-bottom: 1px solid var(--plexa-soft);
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li i {
  color: var(--plexa-accent);
  margin-right: .65rem;
  margin-top: 4px;
  flex-shrink: 0;
  font-size: 1rem;
}
.plan-features li.disabled { color: #aaa; }
.plan-features li.disabled i { color: #d33; }
.btn-plan {
  width: 100%;
  background: var(--plexa-accent);
  color: #fff;
  border: none;
  padding: .8rem;
  border-radius: var(--plexa-radius);
  font-weight: 600;
  transition: all .25s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  text-decoration: none;
}
.btn-plan:hover {
  background: var(--plexa-text);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(60, 80, 108, .25);
}
.plan-card.popular .btn-plan { background: var(--plexa-primary); }
.plan-card.popular .btn-plan:hover { background: var(--plexa-text); }

/* ---------- CTA gradient ---------- */
.cta-section {
  background: var(--plexa-gradient);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255,255,255,.12), transparent 50%);
}
.cta-section h2,
.cta-section p { color: #fff; }
.cta-section h2 { font-size: 2.5rem; }
.cta-section .container { position: relative; z-index: 1; }

/* ---------- Footer ---------- */
.footer-plexa {
  background: var(--plexa-text);
  color: #fff;
  padding: 2.5rem 0;
}
.footer-plexa a { color: #fff; text-decoration: none; transition: opacity .2s; }
.footer-plexa a:hover { opacity: .75; color: #fff; }
.footer-plexa .social a {
  display: inline-flex;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  align-items: center;
  justify-content: center;
  margin-left: .5rem;
  transition: all .25s;
}
.footer-plexa .social a:hover { background: var(--plexa-accent); opacity: 1; }

/* ---------- Hero Mockup ---------- */
.hero-mockup {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 30px 70px rgba(26, 83, 160, .18), 0 8px 24px rgba(26, 83, 160, .1);
  overflow: hidden;
  border: 1px solid #e6edf7;
  animation: float 5s ease-in-out infinite;
}
.mockup-header {
  background: #f0f4f8;
  border-bottom: 1px solid #e2e8f0;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.mockup-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.mockup-title {
  font-size: 12px;
  color: #718096;
  font-weight: 600;
  margin-left: 6px;
}
.mockup-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 14px; }
.mockup-stat-row { display: flex; gap: 12px; }
.mockup-stat {
  flex: 1;
  background: var(--plexa-soft);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.mockup-stat i { font-size: 1.5rem; flex-shrink: 0; }
.mockup-stat-val { font-size: 1.1rem; font-weight: 800; color: var(--plexa-primary); line-height: 1; }
.mockup-stat-lbl { font-size: 11px; color: #718096; margin-top: 2px; }
.mockup-chat { display: flex; flex-direction: column; gap: 7px; }
.mockup-msg {
  font-size: 12px;
  padding: 8px 12px;
  border-radius: 12px;
  max-width: 85%;
  line-height: 1.4;
}
.mockup-msg i { margin-right: 4px; }
.mockup-msg-in {
  background: #f0f4f8;
  color: var(--plexa-text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.mockup-msg-out {
  background: var(--plexa-gradient);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.mockup-bar-row { display: flex; align-items: center; gap: 8px; }
.mockup-bar-lbl { font-size: 11px; color: #718096; width: 90px; flex-shrink: 0; }
.mockup-bar {
  flex: 1;
  height: 7px;
  background: #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
}
.mockup-bar-fill {
  height: 100%;
  background: var(--plexa-gradient);
  border-radius: 10px;
}
.mockup-bar-pct { font-size: 11px; font-weight: 700; color: var(--plexa-primary); width: 30px; text-align: right; }

/* ---------- Footer logo ---------- */
.footer-logo {
  height: 40px;
}

/* ---------- Floating WhatsApp ---------- */
.float-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  box-shadow: 0 10px 30px rgba(37, 211, 102, .45);
  z-index: 1000;
  transition: transform .25s;
  text-decoration: none;
}
.float-wa:hover { transform: scale(1.1); color: #fff; }
.float-wa::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(37, 211, 102, .4);
  z-index: -1;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { transform: scale(1);   opacity: .7; }
  100% { transform: scale(1.6); opacity: 0;  }
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .hero { padding: 3rem 0 4rem; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-visual { margin-top: 3rem; max-width: 320px; }
}
@media (max-width: 768px) {
  body { padding-top: 70px; }
  .hero h1 { font-size: 2.25rem; }
  .section { padding: 4rem 0; }
  .cta-section h2 { font-size: 1.8rem; }
}