:root {
  --qc-bg: #0e2b4a;      /* fondo principal (navy del brand kit) */
  --qc-accent: #6497D1;  /* azul del logo */
  --qc-light: #f5f7fb;
  --qc-text: #e6edf7;
  --qc-muted: #b0bdd5;
  --qc-danger: #ff7171;
  --qc-radius-lg: 18px;
  --qc-radius-xl: 26px;
  --qc-shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.4);
  --qc-shadow-light: 0 10px 30px rgba(0, 0, 0, 0.25);
  --qc-max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #173763 0, #050b16 55%, #030712 100%);
  color: var(--qc-text);
  scroll-behavior: smooth;
}

img {
  max-width: 100%;
  display: block;
}

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

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.qc-container {
  width: 100%;
  max-width: var(--qc-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==== NAVBAR ==== */

header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 8, 16, 0.95), rgba(5, 8, 16, 0.75));
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.qc-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.qc-nav-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.qc-nav-logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 20% 20%, #8db7f1 0, var(--qc-accent) 40%, #27406b 70%, #020617 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--qc-shadow-light);
  overflow: hidden;
}

.qc-nav-logo-mark img {
  width: 80%;
  height: auto;
}

.qc-nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.qc-nav-brand-text span:first-child {
  font-weight: 600;
  letter-spacing: 0.06em;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.qc-nav-brand-text span:last-child {
  font-size: 0.75rem;
  color: var(--qc-muted);
}

.qc-nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  font-size: 0.9rem;
}

.qc-nav-links a {
  color: var(--qc-muted);
  position: relative;
  padding-bottom: 2px;
}

.qc-nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background: var(--qc-accent);
  border-radius: 999px;
  transition: width 0.25s ease-out;
}

.qc-nav-links a:hover {
  color: #ffffff;
}

.qc-nav-links a:hover::after {
  width: 100%;
}

.qc-nav-cta {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: radial-gradient(circle at top left, rgba(100, 151, 209, 0.22), rgba(5, 8, 16, 0.85));
  color: #f9fafb;
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.qc-nav-cta span.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.9);
}

/* ==== HERO ==== */

main {
  flex: 1;
}

.qc-hero {
  padding: 3.5rem 0 4rem;
}

.qc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2.7rem;
  align-items: center;
}

.qc-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: radial-gradient(circle at top left, rgba(100, 151, 209, 0.32), rgba(5, 8, 16, 0.9));
  font-size: 0.75rem;
  color: var(--qc-muted);
  margin-bottom: 1.2rem;
}

.qc-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--qc-accent);
  box-shadow: 0 0 8px rgba(100, 151, 209, 0.9);
}

.qc-hero h1 {
  font-size: clamp(2.4rem, 3vw + 1.2rem, 3.1rem);
  margin: 0 0 0.7rem;
  letter-spacing: 0.01em;
}

.qc-hero h1 span.qc-highlight {
  color: var(--qc-accent);
}

.qc-hero-subtitle {
  font-size: 0.98rem;
  max-width: 36rem;
  color: var(--qc-muted);
  line-height: 1.7;
  margin-bottom: 1.7rem;
}

.qc-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}

.qc-btn-primary,
.qc-btn-ghost {
  border-radius: 999px;
  padding: 0.8rem 1.5rem;
  font-size: 0.92rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  border: none;
}

.qc-btn-primary {
  background: linear-gradient(135deg, var(--qc-accent), #8cb7ff);
  color: #020617;
  box-shadow: 0 18px 44px rgba(12, 74, 110, 0.7);
}

.qc-btn-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.qc-btn-ghost {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: var(--qc-text);
}

.qc-btn-ghost:hover {
  background: rgba(15, 23, 42, 0.9);
}

.qc-hero-meta {
  font-size: 0.8rem;
  color: var(--qc-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  align-items: center;
}

.qc-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.qc-dot-separator {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.6);
}

/* Hero card derecha */

.qc-hero-card {
  border-radius: var(--qc-radius-xl);
  padding: 1.8rem 1.7rem;
  background: radial-gradient(circle at 15% 0%, rgba(148, 163, 255, 0.16), rgba(15, 23, 42, 0.95));
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: var(--qc-shadow-soft);
  position: relative;
  overflow: hidden;
}

.qc-hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
}

.qc-hero-card-header span {
  font-size: 0.9rem;
  font-weight: 500;
}

.qc-pill {
  font-size: 0.7rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  color: var(--qc-muted);
}

.qc-metric-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.qc-metric-card {
  flex: 1;
  border-radius: var(--qc-radius-lg);
  background: rgba(15, 23, 42, 0.8);
  padding: 0.9rem 1rem;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.qc-metric-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--qc-muted);
  margin-bottom: 0.3rem;
}

.qc-metric-value {
  font-size: 1.15rem;
  font-weight: 600;
}

.qc-metric-caption {
  font-size: 0.72rem;
  color: var(--qc-muted);
  margin-top: 0.25rem;
}

.qc-stack {
  border-radius: var(--qc-radius-lg);
  padding: 0.8rem 1rem;
  background: rgba(15, 23, 42, 0.92);
  border: 1px dashed rgba(148, 163, 184, 0.5);
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--qc-muted);
}

.qc-stack strong {
  color: var(--qc-light);
}

/* ==== SECCIONES ==== */

section {
  padding: 3.5rem 0;
}

section:nth-of-type(even) {
  background: radial-gradient(circle at bottom right, rgba(15, 23, 42, 0.9), rgba(3, 7, 18, 1));
}

.qc-section-header {
  text-align: left;
  margin-bottom: 2rem;
}

.qc-section-eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--qc-muted);
  margin-bottom: 0.4rem;
}

.qc-section-title {
  font-size: 1.7rem;
  margin: 0;
}

.qc-section-subtitle {
  font-size: 0.95rem;
  color: var(--qc-muted);
  max-width: 30rem;
  margin-top: 0.4rem;
}

/* Servicios */

.qc-services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.qc-service-card {
  border-radius: var(--qc-radius-lg);
  padding: 1.3rem 1.3rem 1.4rem;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: var(--qc-shadow-light);
}

.qc-service-icon {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 0%, #8db7f1, var(--qc-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 0.9rem;
}

.qc-service-title {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.qc-service-text {
  font-size: 0.85rem;
  color: var(--qc-muted);
  line-height: 1.6;
  margin-bottom: 0.7rem;
}

.qc-service-meta {
  font-size: 0.78rem;
  color: var(--qc-light);
  opacity: 0.8;
}

/* Proceso */

.qc-process-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr;
  gap: 1.8rem;
  align-items: start;
}

.qc-process-timeline {
  position: relative;
  padding-left: 1.4rem;
}

.qc-process-step {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 1.4rem;
}

.qc-process-step::before {
  content: "";
  position: absolute;
  left: -0.36rem;
  top: 0.35rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--qc-accent);
  box-shadow: 0 0 10px rgba(100, 151, 209, 0.8);
}

.qc-process-step::after {
  content: "";
  position: absolute;
  left: -0.01rem;
  top: 0.8rem;
  width: 1px;
  height: calc(100% - 0.8rem);
  background: linear-gradient(to bottom, var(--qc-accent), transparent);
  opacity: 0.8;
}

.qc-process-step:last-child::after {
  display: none;
}

.qc-process-step-title {
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.qc-process-step-text {
  font-size: 0.85rem;
  color: var(--qc-muted);
  line-height: 1.6;
}

.qc-process-summary {
  border-radius: var(--qc-radius-lg);
  padding: 1.3rem 1.4rem;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.qc-badge-small {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.18rem 0.6rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: var(--qc-muted);
  margin-bottom: 0.6rem;
}

.qc-process-summary h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.qc-process-summary p {
  font-size: 0.85rem;
  color: var(--qc-muted);
  line-height: 1.7;
}

/* Contacto */

.qc-contact {
  padding-bottom: 3.8rem;
}

.qc-contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.qc-contact-card {
  border-radius: var(--qc-radius-xl);
  padding: 1.7rem 1.7rem 1.9rem;
  background: radial-gradient(circle at top left, rgba(100, 151, 209, 0.25), rgba(15, 23, 42, 0.97));
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--qc-shadow-soft);
}

.qc-contact-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.qc-contact-card p {
  margin-top: 0;
  margin-bottom: 1.3rem;
  font-size: 0.9rem;
  color: var(--qc-muted);
}

.qc-contact-form {
  display: grid;
  gap: 0.9rem;
}

.qc-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.qc-field-group label {
  font-size: 0.78rem;
  color: var(--qc-muted);
}

.qc-field-group input,
.qc-field-group textarea {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  background: rgba(15, 23, 42, 0.9);
  padding: 0.7rem 0.9rem;
  color: var(--qc-text);
  font-size: 0.85rem;
  outline: none;
}

.qc-field-group textarea {
  border-radius: 18px;
  min-height: 90px;
  resize: vertical;
}

.qc-field-group input::placeholder,
.qc-field-group textarea::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

.qc-contact-meta {
  font-size: 0.8rem;
  color: var(--qc-muted);
  margin-top: 0.6rem;
}

/* Footer */

footer {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  background: #020617;
  padding: 1.4rem 0;
  font-size: 0.78rem;
  color: rgba(148, 163, 184, 0.85);
}

.qc-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.qc-footer-links {
  display: flex;
  gap: 0.9rem;
}

.qc-footer-links a {
  color: rgba(148, 163, 184, 0.85);
}

/* ==== RESPONSIVE ==== */

@media (max-width: 900px) {
  .qc-hero-grid,
  .qc-services-grid,
  .qc-process-grid,
  .qc-contact-grid {
    grid-template-columns: 1fr;
  }

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

  .qc-nav-links {
    display: none; /* versión simple sin menú móvil aún */
  }

  .qc-hero {
    padding-top: 2.5rem;
  }
}

@media (max-width: 640px) {
  .qc-services-grid {
    grid-template-columns: 1fr;
  }

  .qc-hero-card {
    order: -1;
  }

  .qc-hero h1 {
    font-size: 2.1rem;
  }
}