:root {
  --navy: #1B4F8A;
  --navy-deep: #0E2E52;
  --navy-light: #2A6CB8;
  --orange: #F5A623;
  --orange-warm: #E8941A;
  --orange-glow: #FFC960;
  --slate: #3D3D3D;
  --stone: #5A5A5A;
  --cloud: #F0F2F5;
  --white: #FAFBFC;
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'Instrument Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--sans);
  color: var(--slate);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(14, 46, 82, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.15); }
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.nav-logo img {
  height: 44px;
  width: auto;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color 0.25s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width 0.3s;
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: 0.3s;
}

/* LANG SWITCHER */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 1.5rem;
}
.lang-switcher a {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}
.lang-switcher a.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
}
.lang-switcher a:hover:not(.active) {
  color: rgba(255,255,255,0.75);
}
.lang-sep {
  color: rgba(255,255,255,0.2);
  font-size: 0.7rem;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--navy-deep);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(27, 79, 138, 0.6), transparent),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(245, 166, 35, 0.08), transparent),
    linear-gradient(160deg, var(--navy-deep) 0%, #0A1F3A 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr auto;
  gap: 4rem 4rem;
  align-items: center;
}
.hero-text { animation: fadeUp 1s ease-out; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 166, 35, 0.12);
  border: 1px solid rgba(245, 166, 35, 0.25);
  color: var(--orange-glow);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: #fff;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero h1 em {
  font-style: italic;
  color: var(--orange);
}
.hero-sub {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 2.5rem;
}
.hero-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  animation: fadeUp 1s ease-out 0.2s both;
}
.hero-logo img {
  width: 100%;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.4));
  opacity: 0.92;
}
.hero-stats {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  animation: fadeUp 1s ease-out 0.3s both;
}
.hero-stat {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  transition: border-color 0.3s, transform 0.3s;
}
.hero-stat:hover {
  border-color: rgba(245, 166, 35, 0.3);
  transform: translateY(-2px);
}
.hero-stat .number {
  font-family: var(--serif);
  font-size: 2.5rem;
  color: var(--orange);
  display: block;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.hero-stat .label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--orange);
  color: var(--navy-deep);
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.25s, transform 0.25s;
}
.hero-cta:hover {
  background: var(--orange-warm);
  transform: translateY(-1px);
}
.hero-cta svg { transition: transform 0.25s; }
.hero-cta:hover svg { transform: translateX(4px); }

/* SECTIONS COMMON */
section { padding: 6rem 2rem; }
.container { max-width: 1200px; margin: 0 auto; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--orange);
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--navy-deep);
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--stone);
  line-height: 1.7;
  max-width: 600px;
}

/* NOSOTROS */
.about {
  background: var(--cloud);
  position: relative;
}
.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(27,79,138,0.15), transparent);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}
.about-text p {
  font-size: 1.05rem;
  color: var(--stone);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.about-highlight {
  padding: 1.25rem;
  background: #fff;
  border-radius: 12px;
  border-left: 3px solid var(--orange);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.about-highlight strong {
  display: block;
  font-size: 0.85rem;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.about-highlight span {
  font-size: 0.8rem;
  color: var(--stone);
  line-height: 1.4;
}

/* SERVICIOS */
.services { background: #fff; }
.services-tabs {
  display: flex;
  gap: 0.5rem;
  margin: 2.5rem 0 2rem;
}
.tab-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--cloud);
  background: var(--cloud);
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--stone);
  cursor: pointer;
  transition: all 0.25s;
}
.tab-btn.active {
  border-color: var(--navy);
  background: var(--navy);
  color: #fff;
}
.tab-btn:hover:not(.active) {
  border-color: var(--navy-light);
  color: var(--navy);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.service-card {
  padding: 2rem;
  background: var(--white);
  border: 1px solid #E8EBF0;
  border-radius: 14px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--navy), var(--orange));
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover {
  border-color: rgba(27, 79, 138, 0.2);
  box-shadow: 0 8px 30px rgba(27, 79, 138, 0.08);
  transform: translateY(-3px);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(27,79,138,0.08), rgba(245,166,35,0.08));
  border-radius: 12px;
  margin-bottom: 1.25rem;
  color: var(--navy);
}
.service-card h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--navy-deep);
  margin-bottom: 0.75rem;
}
.service-card p {
  font-size: 0.875rem;
  color: var(--stone);
  line-height: 1.6;
}

/* ESPECIALIZACIÓN */
.specialties {
  background: var(--navy-deep);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.specialties::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 50% at 80% 20%, rgba(245,166,35,0.06), transparent),
    radial-gradient(ellipse 60% 40% at 10% 80%, rgba(27,79,138,0.15), transparent);
}
.specialties .container { position: relative; z-index: 1; }
.specialties .section-title { color: #fff; }
.specialties .section-desc { color: rgba(255,255,255,0.6); }
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}
.spec-card {
  padding: 1.75rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  transition: all 0.3s;
}
.spec-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(245, 166, 35, 0.25);
  transform: translateY(-2px);
}
.spec-card h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: var(--orange-glow);
}
.spec-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.spec-card li {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
  padding-left: 1.15rem;
  position: relative;
}
.spec-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 4px;
  height: 4px;
  background: var(--orange);
  border-radius: 50%;
}

/* EQUIPO */
.team { background: var(--cloud); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.team-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #E8EBF0;
  transition: box-shadow 0.3s, transform 0.3s;
}
.team-card:hover {
  box-shadow: 0 12px 40px rgba(27, 79, 138, 0.1);
  transform: translateY(-3px);
}
.team-card.founder {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.team-photo {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.team-photo .initials {
  font-family: var(--serif);
  font-size: 2.5rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.05em;
}
.founder .team-photo { aspect-ratio: auto; }
.team-info { padding: 1.5rem; }
.team-info h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--navy-deep);
  margin-bottom: 0.25rem;
}
.team-role {
  font-size: 0.8rem;
  color: var(--orange);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.team-info p {
  font-size: 0.85rem;
  color: var(--stone);
  line-height: 1.6;
}

/* METODOLOGÍA */
.methodology { background: #fff; }
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.method-card {
  padding: 2rem;
  border-radius: 14px;
  border: 1px solid #E8EBF0;
  position: relative;
  transition: all 0.3s;
}
.method-card:hover {
  border-color: rgba(27,79,138,0.2);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.method-num {
  font-family: var(--serif);
  font-size: 3rem;
  color: rgba(27, 79, 138, 0.08);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.method-card h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--navy-deep);
  margin-bottom: 0.75rem;
}
.method-card p {
  font-size: 0.875rem;
  color: var(--stone);
  line-height: 1.65;
}

/* CONTACTO */
.contact {
  background: var(--navy-deep);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 30% 50%, rgba(27,79,138,0.3), transparent);
}
.contact .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.contact .section-title { color: #fff; }
.contact .section-desc { color: rgba(255,255,255,0.6); }
.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.25s;
}
.contact-method:hover { color: var(--orange-glow); }
.contact-method .icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  flex-shrink: 0;
  color: var(--orange);
}
.contact-right {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
}
.contact-right img {
  height: 60px;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}
.contact-right p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}
.contact-right .tagline {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 1rem;
}

/* FOOTER */
footer {
  background: #080E18;
  padding: 2rem;
  text-align: center;
}
footer p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 1.5rem;
}
.lang-switcher a {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}
.lang-switcher a.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
}
.lang-switcher a:hover:not(.active) {
  color: rgba(255,255,255,0.75);
}
.lang-sep {
  color: rgba(255,255,255,0.2);
  font-size: 0.7rem;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 3rem; }
  .hero-logo { order: -1; }
  .hero-logo img { max-width: 240px; }
  .hero-stats { grid-column: 1; grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .team-card.founder { grid-template-columns: 1fr; }
  .contact .container { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  section { padding: 4rem 1.25rem; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--navy-deep);
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-toggle { display: block; }
  .hero-logo img { max-width: 180px; }
  .hero-stats { grid-template-columns: 1fr; gap: 1rem; }
  .services-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .team-card.founder {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .method-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .services-tabs { flex-wrap: wrap; }
}