:root {
  --bg: #0a0e17;
  --bg-alt: #111827;
  --surface: #1a2234;
  --border: #2a3548;
  --text: #e8ecf4;
  --text-muted: #8b95a8;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --accent-glow: rgba(59, 130, 246, 0.35);
  --font: 'Outfit', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --header-h: 72px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.container { width: min(1080px, 92vw); margin-inline: auto; }

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 14, 23, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.header.scrolled { border-bottom-color: var(--border); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.logo-accent { color: var(--accent); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.75rem;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }

.lang-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}
.lang-toggle:hover { border-color: var(--accent); color: var(--text); }
.lang-toggle[data-lang="es"] .lang-active { color: var(--text-muted); font-weight: 400; }
.lang-toggle[data-lang="es"] .lang-inactive { color: var(--accent); font-weight: 600; }
.lang-toggle[data-lang="en"] .lang-active { color: var(--accent); font-weight: 600; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

/* Hero */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, var(--accent-glow), transparent),
    radial-gradient(ellipse 40% 30% at 90% 80%, rgba(59, 130, 246, 0.08), transparent);
  pointer-events: none;
}

.hero-inner { position: relative; max-width: 720px; }

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.75rem, 7vw, 4.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-trust {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-trust li {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0.4rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.88rem; margin-top: 1.25rem; }

/* Sections */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); }

.section-header { margin-bottom: 2.5rem; }
.section-header-center { text-align: center; }
.section-header-center .section-desc { margin: 0.75rem auto 0; max-width: 520px; }

.section-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-desc { color: var(--text-muted); }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.about-text p:last-child { margin-bottom: 0; }

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.about-card h3 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.facts div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}
.facts div:last-child { border-bottom: none; }
.facts dt {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.facts dd {
  font-size: 0.88rem;
  font-weight: 500;
  text-align: right;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}
.service-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.service-icon {
  display: block;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.65rem;
}

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

/* Why */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.why-item {
  padding: 1.5rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.why-item h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.why-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Team */
.team-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
}

.team-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.team-role {
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.team-info > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.team-creds {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.team-creds li {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.35rem 0.75rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
}

/* Contact */
.contact-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
}

.contact-desc {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0.75rem auto 0;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0 1.5rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
  transition: border-color var(--transition);
}
.contact-link:hover { border-color: var(--accent); }
.contact-link span:first-child { opacity: 0.7; }

.contact-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-inner a {
  color: var(--accent);
  text-decoration: none;
}
.footer-inner a:hover { text-decoration: underline; }

/* Mobile */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem 2rem;
    gap: 1.25rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .about-grid { grid-template-columns: 1fr; }
  .hero-trust { flex-direction: column; align-items: flex-start; }
}


/* Certifications */
.certs-team-member {
  margin-bottom: 0;
}
.certs-team-member + .certs-team-member {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}
.certs-member {
  text-align: center;
  margin-bottom: 2.5rem;
}
.certs-member-name {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}
.certs-member-sub {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
}
.cert-badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.75rem;
}
.cert-badge-item { text-align: center; transition: transform var(--transition); }
.cert-badge-item:hover { transform: translateY(-4px); }
.cert-badge-link { display: block; margin-bottom: 0.75rem; }
.cert-badge-link img {
  width: 100%;
  max-width: 120px;
  height: auto;
  margin-inline: auto;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.35));
  transition: transform var(--transition);
}
.cert-badge-item:hover .cert-badge-link img { transform: scale(1.05); }
.cert-badge-name {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.35;
}
.certs-verify { text-align: center; margin-top: 2.5rem; }
.certs-verify a {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
}
.certs-verify a:hover { text-decoration: underline; }
@media (max-width: 768px) {
  .cert-badges-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 1.25rem; }
}