:root {
  --bg: #050816;
  --bg-alt: #070b1f;
  --card: #0c1024;
  --accent: #32b1ff;
  --accent-soft: rgba(50, 177, 255, 0.12);
  --text: #f5f7ff;
  --muted: #a4acc4;
  --border: #1b2240;
  --danger: #ff6b81;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

html {
  font-size: 110%;
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #102046 0, #050816 40%, #02030a 100%);
  color: var(--text);
  line-height: 1.6;
}

/* Layout */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.6rem;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(5, 8, 22, 0.95), rgba(5, 8, 22, 0.78));
  border-bottom: 1px solid rgba(138, 180, 255, 0.16);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.6rem;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-circle {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0%, #00f5ff, #0061ff 45%, #00113f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-main {
  font-weight: 600;
  font-size: 0.98rem;
}

.brand-tagline {
  font-size: 0.76rem;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  font-size: 0.9rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  transition: color 0.2s ease, transform 0.1s ease;
}

.nav a:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(50, 177, 255, 0.6);
  background: linear-gradient(135deg, rgba(50, 177, 255, 0.15), rgba(9, 9, 121, 0.3));
}

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2.75rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.4rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

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

.hero-text p {
  color: var(--muted);
  max-width: 32rem;
}

.hero-actions {
  margin: 1.8rem 0 1rem;
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: radial-gradient(circle at 0 0, #00f5ff, #0061ff 45%, #00113f 100%);
  color: #ffffff;
  box-shadow: 0 14px 35px rgba(0, 97, 255, 0.46);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(0, 97, 255, 0.6);
}

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(148, 163, 255, 0.6);
  color: var(--text);
}

.btn-secondary:hover {
  background: rgba(148, 163, 255, 0.12);
}

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

/* Hero list */
.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
  display: grid;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-bullets li::before {
  content: "•";
  color: var(--accent);
  margin-right: 0.4rem;
}

/* Hero card */
.hero-card {
  background: radial-gradient(circle at top left, rgba(50, 177, 255, 0.24), rgba(0, 0, 0, 0.8));
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  border: 1px solid rgba(138, 180, 255, 0.25);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7);
}

.screen {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #050816;
  border: 1px solid rgba(148, 163, 255, 0.3);
}

.screen-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.75rem;
  background: linear-gradient(to right, #050816, #0b1024);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.screen-body {
  padding: 1.25rem 1.3rem 1.4rem;
}

.screen-body h2 {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
}

.screen-body p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.screen-metrics {
  display: flex;
  gap: 1.6rem;
  margin-top: 1.2rem;
}

.metric-label {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--accent);
}

.metric-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.small-note {
  font-size: 0.74rem;
  color: var(--muted);
  margin-top: 0.75rem;
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: radial-gradient(circle at top, rgba(42, 66, 135, 0.5), #050816 60%);
}

.section-title {
  font-size: 1.6rem;
  margin-bottom: 0.3rem;
}

.section-subtitle {
  color: var(--muted);
  margin-bottom: 2rem;
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.card {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  border: 1px solid var(--border);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.card p {
  margin-top: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card ul {
  margin: 0.8rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.3rem;
}

.step {
  background: rgba(5, 8, 22, 0.78);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(138, 180, 255, 0.25);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid rgba(50, 177, 255, 0.85);
  font-size: 0.8rem;
  margin-bottom: 0.45rem;
  color: var(--accent);
}

/* Caso */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
  background: rgba(5, 8, 22, 0.9);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.8rem;
  border: 1px solid rgba(138, 180, 255, 0.3);
}

.case-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.case-value {
  margin-top: 0;
}

.case-list {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.3fr;
  gap: 1.6rem;
}

.mv-block h3 {
  margin-bottom: 0.35rem;
}

.mv-block p {
  margin-top: 0;
  margin-bottom: 0.7rem;
  color: var(--muted);
}

.mv-block ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Contacto */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr;
  gap: 1.8rem;
  align-items: flex-start;
}

.contact-points {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.contact-form {
  background: rgba(5, 8, 22, 0.95);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.6rem;
  border: 1px solid rgba(138, 180, 255, 0.32);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.6);
}

.contact-form label {
  display: block;
  font-size: 0.86rem;
  margin-bottom: 0.8rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 0.25rem;
  background: #020517;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 255, 0.4);
  padding: 0.6rem 0.7rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(50, 177, 255, 0.5);
}

.form-note {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}

/* Footer */
.footer {
  border-top: 1px solid rgba(138, 180, 255, 0.26);
  padding: 1.1rem 0 1.6rem;
  background: #040712;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-small {
  opacity: 0.8;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-card {
    order: -1;
  }
  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .about-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .nav {
    display: none; /* para simplificar en móvil, luego podemos mejorar */
  }
}

@media (max-width: 640px) {
  .cards-grid,
  .steps-grid,
  .case-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .topbar-inner {
    padding-inline: 1rem;
  }
  .container {
    padding-inline: 1.2rem;
  }
}


.logo-circle .logo-img {
  width: 78%;
  height: auto;
  display: block;
}