:root {
  --azul: #2d6cdf;
  --negro: #0e0e12;
  --blanco: #f5f6fa;
  --verde: #1faf6d;
  --naranja: #f38b29;
  --card: rgba(255, 255, 255, 0.04);
  --stroke: rgba(255, 255, 255, 0.08);
}

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

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(45, 108, 223, 0.08), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(31, 175, 109, 0.1), transparent 25%),
    var(--negro);
  color: var(--blanco);
  line-height: 1.6;
}

/* Skip to main content link for accessibility and SEO */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--azul);
  color: var(--blanco);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
  border-radius: 0 0 4px 0;
}

.skip-to-main:focus {
  top: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6vw;
  backdrop-filter: blur(12px);
  background: rgba(14, 14, 18, 0.6);
  border-bottom: 1px solid var(--stroke);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.dot {
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, var(--azul), var(--verde));
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(45, 108, 223, 0.6);
}

nav {
  display: flex;
  gap: 18px;
  font-weight: 600;
}

nav a {
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}

nav a:hover {
  background: var(--stroke);
  color: var(--blanco);
}

main {
  padding: 48px 6vw 80px;
}

.hero {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
  margin-bottom: 64px;
}

.hero__copy h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin: 0 0 12px;
}

.accent {
  color: var(--azul);
}

.eyebrow {
  margin: 0 0 8px;
  color: rgba(245, 246, 250, 0.75);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 13px;
}

.lede {
  margin: 0 0 20px;
  color: rgba(245, 246, 250, 0.85);
  max-width: 540px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--azul), var(--verde));
  color: var(--blanco);
  box-shadow: 0 10px 30px rgba(45, 108, 223, 0.3);
}

.btn.ghost {
  border: 1px solid var(--stroke);
  color: var(--blanco);
  background: rgba(255, 255, 255, 0.02);
}

.btn.large {
  padding: 14px 22px;
}

.btn:hover {
  transform: translateY(-1px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--stroke);
  font-weight: 600;
  font-size: 13px;
}

.tag::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 12px currentColor;
}

.tag--tech::before {
  background: var(--azul);
}

.tag--logic::before {
  background: var(--verde);
}

.tag--maker::before {
  background: var(--naranja);
}

.hero__tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero__card {
  background: linear-gradient(160deg, rgba(45, 108, 223, 0.15), rgba(14, 14, 18, 0.95));
  border: 1px solid var(--stroke);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
}

.status {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(31, 175, 109, 0.15);
  color: var(--verde);
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 16px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.stat__value {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}

.stat__label {
  margin: 0;
  color: rgba(245, 246, 250, 0.7);
}

.hero__preview {
  padding: 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--stroke);
}

.small-label {
  margin: 0 0 4px;
  font-size: 12px;
  text-transform: uppercase;
  color: rgba(245, 246, 250, 0.65);
}

.preview__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.preview__text {
  margin: 6px 0 0;
  color: rgba(245, 246, 250, 0.78);
}

.section {
  margin-bottom: 64px;
}

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 16px;
}

/* Video container for responsive 16:9 embeds */
.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  /* 16:9 aspect ratio */
  height: 0;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  margin-bottom: 12px;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.project {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: linear-gradient(150deg, rgba(31, 175, 109, 0.06), rgba(14, 14, 18, 0.95));
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.project h3 {
  margin: 0;
}

.project p {
  margin: 0;
  color: rgba(245, 246, 250, 0.78);
}

.badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(45, 108, 223, 0.16);
  color: var(--azul);
  font-weight: 700;
  font-size: 12px;
}

.badge--iot {
  background: rgba(31, 175, 109, 0.16);
  color: var(--verde);
}

.badge--automatizacion {
  background: rgba(45, 108, 223, 0.16);
  color: var(--azul);
}

.badge--maker {
  background: rgba(243, 139, 41, 0.16);
  color: var(--naranja);
}

.badge--latest {
  background: rgba(255, 255, 255, 0.1);
  color: var(--blanco);
  border: 1px solid var(--stroke);
}

.wip-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  border: 1px dashed var(--stroke);
  color: rgba(245, 246, 250, 0.6);
}

.wip-state h3 {
  margin-top: 0;
  color: var(--blanco);
}

.project a {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blanco);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(45, 108, 223, 0.8);
}

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.03);
  color: var(--blanco);
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.chip--active {
  background: rgba(45, 108, 223, 0.14);
  border-color: rgba(45, 108, 223, 0.6);
  color: var(--blanco);
}

.cta {
  border: 1px solid var(--stroke);
  border-radius: 20px;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: linear-gradient(135deg, rgba(45, 108, 223, 0.12), rgba(243, 139, 41, 0.08));
}

.cta__content h2 {
  margin: 0;
}

.cta__content p {
  margin: 6px 0 0;
  color: rgba(245, 246, 250, 0.8);
}

.footer {
  padding: 26px 6vw 32px;
  border-top: 1px solid var(--stroke);
  color: rgba(245, 246, 250, 0.7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__links {
  display: flex;
  gap: 14px;
}

@media (max-width: 720px) {
  .cta {
    flex-direction: column;
    align-items: flex-start;
  }
}