:root {
  --color-primary: #e53935;
  --color-primary-dark: #b71c1c;
  --color-bg: #0f172a;
  --color-bg-soft: #111827;
  --color-surface: #111827;
  --color-surface-alt: #020617;
  --color-text: #f9fafb;
  --color-text-soft: #9ca3af;
  --color-border: #1f2937;
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.6);
  --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.9);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1f2937 0, #020617 55%, #000 100%);
  color: var(--color-text);
  min-height: 100vh;
}

.container {
  width: min(1120px, 100% - 2rem);
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #ff6b6b);
  color: #fff;
  box-shadow: 0 12px 25px rgba(229, 57, 53, 0.45);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 35px rgba(229, 57, 53, 0.65);
  background: linear-gradient(135deg, #ff6b6b, var(--color-primary));
}

.btn-secondary {
  background: #111827;
  color: #e5e7eb;
  border-color: #1f2937;
}

.btn-secondary:hover {
  background: #020617;
  border-color: #374151;
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  border-color: var(--color-primary);
  color: #fff;
}

.btn-full {
  width: 100%;
}

.hero {
  padding-top: 1.5rem;
  padding-bottom: 4rem;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  position: sticky;
  top: 0.75rem;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.88));
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(55, 65, 81, 0.8);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.85);
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: lowercase;
  letter-spacing: 0.08em;
  color: #e5e7eb;
}

.logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  margin: 0 1.5rem;
}

.nav-links a {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.9;
  transition: color 0.16s ease, opacity 0.16s ease, transform 0.16s ease;
}

.nav-links a:hover {
  color: #ffffff;
  opacity: 1;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #e5e7eb;
  font-size: 1.25rem;
  cursor: pointer;
}

.nav-cta {
  font-size: 0.9rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 1.2fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 1.5rem;
}

.hero-tagline {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: #9ca3af;
  margin-bottom: 0.8rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 3.1rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero h1::after {
  content: "";
  display: block;
  margin-top: 0.4rem;
  width: 78px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), #ff6b6b);
}

.hero-description {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
  max-width: 40rem;
}

.hero-buttons {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-card {
  background: radial-gradient(circle at top left, #1f2933 0, #020617 55%);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  border: 1px solid rgba(55, 65, 81, 0.8);
  box-shadow: var(--shadow-soft);
}

.hero-card h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.hero-card ul {
  list-style: none;
  margin-bottom: 1rem;
}

.hero-card li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #e5e7eb;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.hero-card li i {
  color: var(--color-primary);
}

.hero-card-note {
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

.section {
  padding: 3.5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

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

.section-header p {
  color: var(--color-text-soft);
}

.services {
  background: radial-gradient(circle at top, #020617 0, #020617 55%, #000 100%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: linear-gradient(145deg, #020617, #020617);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.4rem;
  border: 1px solid rgba(55, 65, 81, 0.7);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(229, 57, 53, 0.09), transparent 55%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  background: radial-gradient(circle at top left, rgba(229, 57, 53, 0.25), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(248, 113, 113, 0.35);
}

.service-icon i {
  color: #fee2e2;
  font-size: 1.1rem;
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.adaptacion {
  background: radial-gradient(circle at top, #020617 0, #020617 55%, #000 100%);
}

.adaptacion-grid {
  display: grid;
  grid-template-columns: 1.4fr 1.2fr;
  gap: 2rem;
  align-items: center;
}

.adaptacion-text p {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.adaptacion-preview {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.device {
  background: linear-gradient(145deg, #020617, #020617);
  border-radius: 1.1rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(55, 65, 81, 0.8);
  text-align: center;
  min-width: 110px;
  box-shadow: var(--shadow-soft);
}

.device i {
  font-size: 1.4rem;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.device span {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-soft);
}

.contacto {
  background: radial-gradient(circle at top, #020617 0, #020617 55%, #000 100%);
}

.contacto-grid {
  display: grid;
  grid-template-columns: 1.4fr 1.2fr;
  gap: 2rem;
  align-items: flex-start;
}

.contacto-text p {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.contact-info i {
  color: var(--color-primary);
}

.contact-info a {
  color: #e5e7eb;
  text-decoration: none;
}

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

.social-links {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-links span {
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

.social-links a {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(75, 85, 99, 0.9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.social-links a:hover {
  border-color: var(--color-primary);
  background: radial-gradient(circle at top left, rgba(229, 57, 53, 0.4), transparent 70%);
  transform: translateY(-1px);
}

.contacto-form-card {
  background: linear-gradient(145deg, #020617, #020617);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  border: 1px solid rgba(55, 65, 81, 0.9);
  box-shadow: var(--shadow-card);
}

.contacto-form-card h3 {
  margin-bottom: 0.4rem;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-soft);
  margin-bottom: 1.25rem;
}

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

.contact-form label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: #e5e7eb;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 0.8rem;
  border: 1px solid #374151;
  padding: 0.65rem 0.75rem;
  background: #020617;
  color: #e5e7eb;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #6b7280;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(229, 57, 53, 0.5);
}

.footer {
  border-top: 1px solid #111827;
  padding: 1.5rem 0;
  background: #020617;
}

.footer-flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #6b7280;
}

.footer-small {
  opacity: 0.9;
}

@media (max-width: 960px) {
  .navbar {
    gap: 0.75rem;
  }

  .nav-links {
    position: absolute;
    top: 4.1rem;
    left: 50%;
    transform: translateX(-50%);
    background: #020617;
    border-radius: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid #374151;
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.9);
    display: none;
    flex-direction: column;
    align-items: center;
    width: min(260px, 100% - 2rem);
  }

  .nav-links.show {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .nav-cta {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    margin-top: 1rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .adaptacion-grid,
  .contacto-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 1rem;
  }

  .navbar {
    border-radius: 1.25rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3rem 0;
  }
}