/* ========== GLOBAL STYLES SantanaSmart ========== */

/* Fuente y color gris medio para toda la web */
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, 'Helvetica Neue', Arial, sans-serif;
  color: #666; /* gris medio */
  line-height: 1.6;
  background: #fefefe;
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
}

a {
  color: #0070f3;
  text-decoration: none;
  transition: color 0.2s;
}
a:hover,a:focus {
  color: #0051a3;
  text-decoration: underline;
  outline: none;
}

header {
  background: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  padding: 0.4rem 1rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}
nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
nav .logo {
  display: flex;
  justify-content: center;
  width: 100%;
}
nav .logo img {
  height: clamp(64px,7vw,100px);
  display: block;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}
nav li { font-weight: 600; }

main {
  flex: 1;
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1rem;
  width: 100%;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 2rem auto;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

footer {
  background: #f5f5f5;
  text-align: center;
  padding: 1rem 2rem;
  font-size: 0.9rem;
  color: #555;
  user-select: none;
}

@media (min-width:700px) {
  nav { flex-direction: row; }
  nav .logo { width: auto; }
  nav ul { justify-content: flex-end; width: auto; }
}
@media (max-width:700px) {
  header { padding: 0.25rem 1rem; }
  nav .logo img { height: 64px; }
}

/* ========== HERO IoT SantanaSmart ========== */
.hero-iot {
  background: url("/images/logo.jpg") no-repeat center center;
  background-size: contain;
  min-height: 100vh;
  position: relative;
}
.hero-iot__overlay {
  background: rgba(255,255,255,0.6);
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
}
.hero-iot__content {
  position: relative;
  max-width: 1100px;
  width: 100%;
  text-align: left;
  z-index: 2;
}
.hero-iot h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin: 0 0 0.6rem 0;
  letter-spacing: 0.2px;
}
.hero-iot p {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 60ch;
  margin: 0 0 1.25rem 0;
  opacity: 0.95;
}
.hero-iot__cta {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.btn {
  display: inline-block;
  padding: 0.9rem 1.2rem;
  border-radius: 0.7rem;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.15s ease, opacity 0.15s ease;
  will-change: transform;
}
.btn:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}
.btn--primary {
  background: #39c3ff;
  color: #001119;
}
.btn--ghost {
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: #fff;
}
.hero-iot__badges {
  list-style: none;
  padding: 0;
  margin: 0.4rem 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.hero-iot__badges li {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.45rem 0.7rem;
  border-radius: 0.6rem;
  font-size: 0.9rem;
  backdrop-filter: blur(4px);
}
@media (prefers-color-scheme: dark) {
  .btn--primary { background: #31b6f0; color: #001018; }
}
@media (min-width: 900px) {
  .hero-iot { place-items: center start; }
}