:root {
  --color-primary: #2563eb;   /* Azul profesional */
  --color-accent: #22c55e;    /* Verde WhatsApp */
  --color-dark: #0f172a;      /* Azul casi negro */
  --color-light: #f8fafc;     /* Fondo claro */
  --color-text: #334155;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: var(--color-dark);
  color: white;
  text-align: center;
}

section {
  padding: 70px 20px;
}

h1, h2 {
  color: #1fbfcf;
}

p {
  max-width: 700px;
  margin: 15px auto;
  color: #b5c2e2;
}

.btn-primary {
  display: inline-block;
  margin-top: 25px;
  background: var(--color-primary);
  color: white;
  padding: 14px 32px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 700;
}

.hero-tags {
  display: block;
  margin-top: 15px;
  font-size: 0.9rem;
  color: #b5c2e2;
}

.mockup img {
  max-width: 900px;
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0,0,0,.4);
  margin: 20px auto;
}

.mockup .mobile {
  max-width: 300px;
}

.benefits ul,
.price ul {
  list-style: none;
  padding: 0;
}

.benefits li,
.price li {
  margin: 10px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
  gap: 15px;
  max-width: 800px;
  margin: 30px auto;
}

blockquote {
  max-width: 600px;
  margin: auto;
  font-style: italic;
}

footer {
  padding: 25px;
  background: rgba(0,0,0,.3);
  font-size: 0.85rem;
}

.whatsapp-fixed {
  position: fixed;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  background: #25d366;
  color: #000;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  z-index: 999;
}

.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: #ffffff;
  z-index: 1000;
  box-shadow: 0 2px 15px rgba(0,0,0,.1);
}

.header-container {
  max-width: 1200px;
  margin: auto;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0b1230;
}

.logo span {
  color: #1fbfcf;
}

.nav a {
  margin: 0 12px;
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.btn-whatsapp {
  background: var(--color-accent);
  color: #000;
  padding: 10px 18px;
  border-radius: 25px;
  font-weight: 700;
  text-decoration: none;
}

.hero {
  background: 
    linear-gradient(to right, rgba(11,18,48,.85), rgba(11,18,48,.4)),
    url("../assets/fondo.webp") center / cover no-repeat;
  padding-top: 160px;
  padding-bottom: 80px;
  text-align: left;
}

.hero-content {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}

.hero h1 {
  font-size: 2.6rem;
  color: #ffffff;
  max-width: 600px;
}

.hero-sub {
  font-size: 1.2rem;
  margin-top: 15px;
  max-width: 500px;
  color: #e0e6ff;
}

.hero-features {
  margin-top: 25px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.95rem;
  color: #e0e6ff;
}

/* =========================
   HERO MOBILE OPTIMIZADO
   ========================= */

@media (max-width: 768px) {

  .nav {
    display: none;
  }

  .hero {
    background:
      linear-gradient(
        to right,
        rgba(11,18,48,0.95) 0%,
        rgba(11,18,48,0.85) 40%,
        rgba(11,18,48,0.6) 70%,
        rgba(11,18,48,0.3) 100%
      ),
      url("../assets/fondo-mobile.webp") right center / cover no-repeat;

    text-align: left;
    padding-top: 140px;
    padding-bottom: 80px;
  }

  .hero-content {
    max-width: 300px;
    margin-left: 16px;
    margin-right: auto;
    padding: 0;
  }

  .hero h1 {
    font-size: 2rem;
    max-width: 280px;
  }

  .hero-sub {
    font-size: 1.1rem;
    max-width: 260px;
  }

  .hero-features {
    justify-content: flex-start;
    font-size: 0.9rem;
  }
}

/* Mobile chico */
@media (max-width: 360px) {
  .hero-content {
    max-width: 260px;
  }
}

.back-portfolio {
  position: fixed;
  top: 90px;
  left: 15px;
  background: rgba(15, 23, 42, 0.9);
  color: #ffffff;
  padding: 10px 16px;
  border-radius: 25px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(0,0,0,.3);
  z-index: 999;
  transition: all .25s ease;
}

.back-portfolio:hover {
  background: #1fbfcf;
  color: #0f172a;
}

/* =========================
   COMBOS WEB (ACCORDION)
========================= */

.web-combos {
  background: rgba(255,255,255,0.03);
}

.combo-intro {
  color: #b5c2e2;
  font-size: 1rem;
}

.combo-item {
  max-width: 700px;
  margin: 20px auto;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255,255,255,0.06);
}

.combo-item.highlight {
  border: 1px solid rgba(31,191,207,0.5);
}

.combo-header {
  width: 100%;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  padding: 18px 22px;
  text-align: left;
  cursor: pointer;
}

.combo-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  padding: 0 22px;
}

.combo-item.active .combo-content {
  max-height: 400px;
  padding-bottom: 20px;
}

.combo-content ul {
  list-style: none;
  padding: 15px 0;
}

.combo-content li {
  margin-bottom: 8px;
  color: #e0e6ff;
}

.combo-note {
  font-size: 0.9rem;
  color: #1fbfcf;
}

.combo-cta {
  margin-top: 30px;
}