*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #050816;
  color: #e5e7eb;
  line-height: 1.6;
}

/* HERO */

.hero {
  position: relative;
  min-height: 90vh;
  background: radial-gradient(circle at top left, #1d4ed8 0, transparent 40%),
              radial-gradient(circle at bottom right, #22c55e 0, transparent 40%),
              #020617;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(15,23,42,0.7), #020617);
  opacity: 0.9;
}

.hero-content {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: #e5e7eb;
}

.logo span {
  color: #22c55e;
}

.nav {
  margin-top: 0.5rem;
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.nav a {
  color: #9ca3af;
  text-decoration: none;
}

.nav a:hover {
  color: #ffffff;
}

.hero-main {
  margin-top: 4rem;
  max-width: 640px;
}

.hero-main h1 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.hero-main p {
  color: #d1d5db;
  font-size: 1rem;
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-primary,
.btn-secondary {
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(to right, #22c55e, #16a34a);
  color: #020617;
  font-weight: 600;
}

.btn-secondary {
  background: transparent;
  border-color: #4b5563;
  color: #e5e7eb;
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn-secondary:hover {
  border-color: #9ca3af;
}

/* SECTIONS */

.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.section h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.section-intro {
  color: #9ca3af;
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: #020617;
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid #111827;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.card p {
  color: #9ca3af;
}

/* ABOUT */

.section-alt {
  background: radial-gradient(circle at top right, rgba(37,99,235,0.25), transparent 50%),
              #020617;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr);
  gap: 2rem;
  align-items: center;
}

.about p {
  color: #d1d5db;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

.highlight {
  background: #020617;
  border-radius: 0.9rem;
  padding: 1.2rem;
  text-align: center;
  border: 1px solid #111827;
}

.highlight-number {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
}

.highlight-label {
  display: block;
  font-size: 0.8rem;
  color: #9ca3af;
}

/* CONTACTO */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.5fr);
  gap: 2rem;
}

.contact-info p {
  margin: 0.3rem 0;
}

.contact-info a {
  color: #a5b4fc;
  text-decoration: none;
}

.contact-info a:hover {
  text-decoration: underline;
}

.contact-form {
  background: #020617;
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid #111827;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
  color: #e5e7eb;
}

input,
textarea {
  width: 100%;
  border-radius: 0.6rem;
  border: 1px solid #111827;
  padding: 0.7rem;
  background: #020617;
  color: #e5e7eb;
  font-family: inherit;
  font-size: 0.9rem;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #22c55e;
}

.full-width {
  width: 100%;
  text-align: center;
}

.form-note {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  color: #9ca3af;
}

/* FOOTER */

.footer {
  border-top: 1px solid #111827;
  padding: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: #6b7280;
  background: #020617;
}

/* RESPONSIVE */

@media (max-width: 768px) {
  .hero-main {
    margin-top: 3rem;
  }

  .about,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}