:root {
  --color-fondo: #0f172a;
  --color-fondo-alt: #111d3b;
  --color-superficie: #17233f;
  --color-borde: #26355a;
  --color-texto: #e6ebf5;
  --color-texto-muted: #9aa7c2;
  --color-primario: #22c58b;
  --color-primario-oscuro: #189267;
  --radio: 14px;
  --wrap: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--color-fondo);
  color: var(--color-texto);
  line-height: 1.55;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 0.6rem;
  font-weight: 800;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1rem;
  color: var(--color-texto-muted);
}

a {
  color: inherit;
}

/* --- Header --- */

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-borde);
}

.top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
}

.marca {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-texto);
  font-size: 1rem;
}

.marca__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primario), var(--color-primario-oscuro));
  color: #06251a;
  font-weight: 800;
  font-size: 0.85rem;
}

.menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.92rem;
}

.menu a:not(.btn) {
  text-decoration: none;
  color: var(--color-texto-muted);
  transition: color 0.15s ease;
}

.menu a:not(.btn):hover {
  color: var(--color-texto);
}

/* --- Botones --- */

.btn {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  background: var(--color-primario);
  color: #06251a;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover {
  background: var(--color-primario-oscuro);
  color: #eafff4;
  transform: translateY(-1px);
}

.btn--linea {
  background: transparent;
  color: var(--color-texto);
  border-color: var(--color-borde);
}

.btn--linea:hover {
  background: var(--color-superficie);
  color: var(--color-texto);
}

.btn--sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

/* --- Hero --- */

.hero {
  padding: 5.5rem 0 4.5rem;
  background:
    radial-gradient(60% 60% at 85% 0%, rgba(34, 197, 139, 0.16), transparent 60%),
    var(--color-fondo);
}

.hero__tag {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  color: var(--color-primario);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.hero__texto {
  max-width: 640px;
  font-size: 1.08rem;
}

.hero__acciones {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

/* --- Secciones --- */

.seccion {
  padding: 4.5rem 0;
}

.seccion--alt {
  background: var(--color-fondo-alt);
  border-top: 1px solid var(--color-borde);
  border-bottom: 1px solid var(--color-borde);
}

.seccion__intro {
  max-width: 560px;
  font-size: 1.02rem;
  margin-top: -0.3rem;
}

/* --- Tarjetas --- */

.grid-servicios,
.grid-proyectos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.3rem;
  margin-top: 2rem;
}

.tarjeta {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 1.6rem;
}

.tarjeta h3 {
  color: var(--color-texto);
}

.tarjeta p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.tarjeta--proyecto {
  border-color: rgba(34, 197, 139, 0.35);
}

/* --- Pasos --- */

.pasos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.paso__numero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: rgba(34, 197, 139, 0.14);
  color: var(--color-primario);
  font-weight: 800;
  margin-bottom: 0.9rem;
}

.paso h3 {
  color: var(--color-texto);
}

.paso p {
  font-size: 0.94rem;
  margin-bottom: 0;
}

/* --- Contacto --- */

.seccion--cta {
  text-align: center;
}

.contacto {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contacto p {
  max-width: 480px;
}

.contacto__datos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  margin-top: 0.6rem;
}

/* --- Footer --- */

.pie {
  border-top: 1px solid var(--color-borde);
  padding: 1.6rem 0;
}

.pie__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-texto-muted);
}

/* --- Responsive --- */

@media (max-width: 720px) {
  .menu {
    gap: 0.9rem;
    font-size: 0.85rem;
  }

  .menu a:not(.btn):not(:last-child) {
    display: none;
  }

  .hero {
    padding: 3.5rem 0 3rem;
  }

  .seccion {
    padding: 3rem 0;
  }
}