:root {
  --dark: rgba(30, 30, 30, 1);
  --light: rgba(242, 242, 242, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Lucida Console", "Courier New", monospace;
}

body {
  background: var(--light);
  color: var(--dark);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* HEADER */
.header {
  background: var(--dark);
  color: var(--light);
  padding: 16px 0;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: bold;
  font-size: 20px;
}

.header a {
  color: var(--light);
  margin-left: 20px;
  text-decoration: none;
  font-size: 15px;
}

.header a:hover {
  text-decoration: underline;
}

/* HERO */
.hero {
  padding: 90px 0;
  text-align: center;
}

.hero h1 {
  font-size: 38px;
  margin-bottom: 15px;
}

.hero p {
  font-size: 18px;
  opacity: 0.8;
}

/* BOTÓN */
.btn {
  display: inline-block;
  margin-top: 25px;
  background: var(--dark);
  color: var(--light);
  padding: 14px 30px;
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid var(--dark);
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn:hover {
  background: var(--light);
  color: var(--dark);
}

/* ABOUT */
.about {
  display: flex;
  gap: 40px;
  padding: 80px 0;
  align-items: center;
}

.about img {
  border-radius: 8px;
}

/* SECTIONS */
.services,
.pricing {
  background: white;
  padding: 80px 0;
}

h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 32px;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
}

/* CARDS */
.card,
.price-card {
  background: var(--light);
  border: 1px solid var(--dark);
  padding: 25px;
  border-radius: 8px;
  text-align: center;
}

.card h3,
.price-card h3 {
  margin-bottom: 10px;
}

/* PORTFOLIO */
.portfolio {
  padding: 80px 0;
}

.portfolio img {
  width: 100%;
  border-radius: 6px;
  margin-bottom: 10px;
}

/* PRECIOS */
.price {
  font-size: 34px;
  margin: 10px 0;
}

.popular {
  background: var(--dark);
  color: var(--light);
}

.popular .price {
  color: var(--light);
}

/* CONTACTO */
.contact {
  padding: 80px 0;
}

form {
  max-width: 600px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

input,
textarea {
  padding: 14px;
  border: 1px solid var(--dark);
  background: var(--light);
  color: var(--dark);
}

/* FOOTER */
.footer {
  background: var(--dark);
  color: var(--light);
  text-align: center;
  padding: 20px 0;
  margin-top: 60px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .about {
    flex-direction: column;
    text-align: center;
  }
}

/* REVEAL */
.about, .services .card, .portfolio .card, .pricing .price-card, .contact form {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.about.active, 
.services .card.active, 
.portfolio .card.active, 
.pricing .price-card.active, 
.contact form.active {
  opacity: 1;
  transform: translateY(0);
}

/* HOVER EFECTO */
.services .card.hovered,
.portfolio .card.hovered,
.pricing .price-card.hovered {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 12px 24px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}

/* HEADER SCROLLED */
.header.scrolled {
  background: var(--light);
  color: var(--dark);
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.header.scrolled a {
  color: var(--dark);
}