*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
  :root {
    --blue: #1A4B8F;
    --cobalt: #2A64B5;
    --gold: #F2B705;
    --amber: #D99E02;
    --bg: #F8FAFC;
    --white: #FFFFFF;
    --text: #1A1A1A;
    --muted: #4B5563;
    --light: #E8F0FB;
  }
  html { scroll-behavior: smooth; }
  body { font-family: 'Montserrat', sans-serif; background: var(--bg); color: var(--text); overflow-x: hidden; }




  /* ───LOGO CAUCASER ─── */
  .hero-logo-bg {
  position: absolute;
  top: 50%;
  left: 35%;
  transform: translate(-50%, -50%);
  width: 80%;
  max-width: 980px;
  opacity: 0.7; filter: blur(1px);
  z-index: 0;
  pointer-events: none;
}

.hero-logo-bg img {
  width: 100%;
  height: auto;
}
  
  /* ─── NAV ─── */
  nav {
    position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
    background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
    border-radius: 999px; padding: 10px 28px;
    box-shadow: 0 4px 24px rgba(26,75,143,0.15);
    display: flex; align-items: center; gap: 32px;
    z-index: 1000; min-width: min(800px, 92vw); justify-content: space-between;
    border: 1px solid rgba(26,75,143,0.08);
    transition: box-shadow 0.3s;
  }
  nav.scrolled { box-shadow: 0 6px 32px rgba(26,75,143,0.22); }
  .nav-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
  .nav-logo-icon {
    width: 34px; height: 34px; background: linear-gradient(135deg, var(--blue), var(--cobalt));
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
  }
  .nav-logo-icon span { color: var(--gold); font-weight: 900; font-size: 16px; }
  .nav-logo-text { font-size: 13px; font-weight: 800; color: var(--blue); letter-spacing: 0.5px; text-transform: uppercase; line-height: 1; }
  .nav-logo-sub { font-size: 9px; color: var(--muted); font-weight: 500; letter-spacing: 1px; text-transform: uppercase; }
  .nav-links { display: flex; align-items: center; gap: 24px; }
  .nav-links a { text-decoration: none; font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; transition: color 0.2s; }
  .nav-links a:hover { color: var(--blue); }
  .nav-cta {
    background: var(--blue); color: white; padding: 8px 18px; border-radius: 999px;
    font-size: 11px; font-weight: 700; text-decoration: none; letter-spacing: 0.5px;
    border: 2px solid var(--gold); transition: all 0.2s;
  }
  .nav-cta:hover { background: var(--cobalt); transform: translateY(-1px);}
  .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
  .hamburger span { width: 25px; height: 2px; background: var(--blue); border-radius: 2px; transition: all 0.3s; display: block; }
  .mobile-menu {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background: rgba(26,75,143,0.97); z-index: 999; flex-direction: column;
    align-items: center; justify-content: center; gap: 28px;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { color: white; text-decoration: none; font-size: 20px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
  .mobile-close { position: absolute; top: 24px; right: 28px; font-size: 28px; color: white; cursor: pointer; background: none; border: none; }
  
  
  /* ─── HERO ─── */
  #inicio {
    min-height: 100vh; background: linear-gradient(145deg, #0d2d5e 0%, var(--blue) 50%, var(--cobalt) 100%);
    display: flex; align-items: center; position: relative; overflow: hidden; padding: 100px 24px 60px;
  }
  .hero-wave {
    position: absolute; inset: 0; pointer-events: none;
  }
  .hero-wave svg { width: 100%; height: 100%; }
  .hero-inner { max-width: 1200px; margin: 0 auto; width: 100%; position: relative; z-index: 2; }
  .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(242,183,5,0.15); border: 1px solid rgba(242,183,5,0.4);
    border-radius: 999px; padding: 6px 14px; margin-bottom: 20px;
  }
  .hero-badge-dot { width: 8px; height: 8px; background: var(--gold); border-radius: 50%; animation: pulse 2s infinite; }
  .hero-badge span { font-size: 11px; color: var(--gold); font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; }
  @keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(1.3); } }
  .hero-title { font-size: clamp(32px, 5vw, 58px); font-weight: 900; color: white; line-height: 1.08; text-transform: uppercase; letter-spacing: -1px; margin-bottom: 12px; }
  .hero-title span { color: var(--gold); }
  .hero-slogan { font-size: 18px; color: rgb(246, 242, 242); font-weight: 500; margin-bottom: 10px; letter-spacing: 2px; text-transform: uppercase; }
  .hero-desc { font-size: 15px; color: rgb(255, 255, 255); line-height: 1.7; margin-bottom: 32px; max-width: 440px; }
  .hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
  .btn-primary {
    background: var(--gold); color: var(--blue); padding: 14px 28px; border-radius: 999px;
    font-weight: 800; font-size: 13px; text-decoration: none; letter-spacing: 0.5px;
    transition: all 0.25s; box-shadow: 0 4px 20px rgba(242,183,5,0.35);
  }
  .btn-primary:hover { background: #ffc107; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(242,183,5,0.45); }
  .btn-outline {
    border: 2px solid rgba(255,255,255,0.3); color: white; padding: 14px 28px; border-radius: 999px;
    font-weight: 600; font-size: 13px; text-decoration: none; transition: all 0.25s;
  }
  .btn-outline:hover { border-color: white; background: rgba(255,255,255,0.08); }
  .hero-stats { display: flex; gap: 32px; margin-top: 48px; }
  .hero-stat-num { font-size: 28px; font-weight: 900; color: var(--gold); }
  .hero-stat-label { font-size: 11px; color: rgb(255, 255, 255); text-transform: uppercase; letter-spacing: 1px; margin-top: 2px; }
  .hero-card-stack { position: relative; width: 100%; max-width: 340px; }
  .hero-card {
    background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px; padding: 20px 24px; backdrop-filter: blur(8px);
  }
  .hero-card + .hero-card { margin-top: 12px; }
  .hero-card-icon { width: 36px; height: 36px; background: var(--gold); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
  .hero-card-icon svg { width: 18px; height: 18px; fill: var(--blue); }
  .hero-card-title { font-size: 13px; font-weight: 700; color: white; margin-bottom: 4px; }
  .hero-card-sub { font-size: 11px; color: rgba(255,255,255,0.5); }
  .hero-card.float { animation: float 4s ease-in-out infinite; }
  .hero-card.float2 { animation: float 4s ease-in-out infinite 2s; }
  @keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
  .nit-badge {
    position: absolute; bottom: -10px; right: -20px;
    background: var(--gold); border-radius: 12px; padding: 8px 14px;
    font-size: 10px; font-weight: 700; color: var(--blue); letter-spacing: 1px;
  }

  /* ─── SECTION BASE ─── */
  section { padding: 88px 24px; }
  .container { max-width: 1200px; margin: 0 auto; }
  .section-tag {
    display: inline-block; background: var(--light); color: var(--cobalt);
    font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
    padding: 6px 14px; border-radius: 999px; margin-bottom: 14px;
    border-left: 3px solid var(--gold);
  }
  .section-title { font-size: clamp(26px, 4vw, 40px); font-weight: 800; color: var(--blue); text-transform: uppercase; letter-spacing: -0.5px; margin-bottom: 16px; }
  .section-title span { color: var(--gold); }
  .section-desc { font-size: 16px; color: var(--muted); line-height: 1.7; max-width: 600px; }
  .divider { width: 48px; height: 4px; background: linear-gradient(90deg, var(--gold), var(--amber)); border-radius: 2px; margin: 16px 0; }

  /* ─── SOBRE NOSOTROS ─── */
  #nosotros { background: var(--white); }
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 48px; }
  .about-visual { position: relative; }
  .about-shape {
    width: 100%; height: 380px; background: linear-gradient(135deg, var(--blue) 0%, var(--cobalt) 100%);
    border-radius: 24px; position: relative; overflow: hidden;
    display: flex; align-items: center; justify-content: center;
  }
  .about-shape-inner {
    text-align: center; color: white; padding: 32px;
  }
  .about-shape-inner h3 { font-size: 22px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px; }
  .about-shape-inner p { font-size: 13px; color: rgba(255,255,255,0.65); margin-top: 8px; line-height: 1.6; }
  .about-accent {
    position: absolute; top: -20px; right: -20px;
    width: 80px; height: 80px; background: var(--gold); border-radius: 50%;
    opacity: 0.15;
  }
  .about-accent2 {
    position: absolute; bottom: 20px; left: -15px;
    width: 50px; height: 50px; background: var(--gold); border-radius: 50%;
    opacity: 0.2;
  }
  .year-badge {
    position: absolute; bottom: -20px; right: 24px;
    background: var(--gold); border-radius: 16px; padding: 14px 20px;
    box-shadow: 0 8px 24px rgba(242,183,5,0.3);
  }
  .year-badge-num { font-size: 26px; font-weight: 900; color: var(--blue); line-height: 1; }
  .year-badge-label { font-size: 10px; color: var(--blue); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
  .about-content p { font-size: 15px; color: var(--muted); line-height: 1.8; margin-bottom: 16px; }
  .values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 28px; }
  .value-chip {
    background: var(--light); border-radius: 10px; padding: 10px 14px;
    font-size: 12px; font-weight: 600; color: var(--blue);
    border-left: 3px solid var(--gold); text-align: left;
  }

  /* ─── MISIÓN / VISIÓN / CALIDAD ─── */
  #mision { background: var(--bg); }
  .mvq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
  .mvq-card {
    background: var(--white); border-radius: 20px; padding: 32px 28px;
    box-shadow: 0 2px 20px rgba(26,75,143,0.07);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid transparent;
    position: relative; overflow: hidden;
  }
  .mvq-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(26,75,143,0.13); }
  .mvq-card.mission { border-top-color: var(--blue); }
  .mvq-card.vision { border-top-color: var(--cobalt); }
  .mvq-card.quality { border-top-color: var(--gold); }
  .mvq-icon {
    width: 52px; height: 52px; border-radius: 14px; display: flex;
    align-items: center; justify-content: center; margin-bottom: 18px;
    font-size: 22px;
  }
  .mvq-card.mission .mvq-icon { background: rgba(26,75,143,0.1); }
  .mvq-card.vision .mvq-icon { background: rgba(42,100,181,0.1); }
  .mvq-card.quality .mvq-icon { background: rgba(242,183,5,0.12); }
  .mvq-card h3 { font-size: 16px; font-weight: 800; color: var(--blue); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
  .mvq-card p { font-size: 14px; color: var(--muted); line-height: 1.75; }
  .mvq-bg-text {
    position: absolute; bottom: -10px; right: -8px;
    font-size: 80px; font-weight: 900; color: rgba(26,75,143,0.04);
    text-transform: uppercase; pointer-events: none; line-height: 1;
  }

  /* ─── SERVICIOS ─── */
  #servicios { background: var(--white); }
  .services-intro { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 24px; margin-bottom: 48px; }
  .services-count { font-size: 13px; color: var(--muted); }
  .services-count strong { color: var(--blue); font-size: 32px; font-weight: 900; display: block; }
  .accordion-list { display: flex; flex-direction: column; gap: 12px; }
  .accordion-item {
    background: var(--white); border-radius: 16px;
    border: 1px solid rgba(26,75,143,0.1);
    overflow: hidden; transition: box-shadow 0.3s;
  }
  .accordion-item:hover { box-shadow: 0 4px 20px rgba(26,75,143,0.1); }
  .accordion-item.open { box-shadow: 0 6px 30px rgba(26,75,143,0.14); border-color: rgba(26,75,143,0.2); }
  .accordion-btn {
    width: 100%; background: none; border: none; cursor: pointer;
    display: flex; align-items: center; gap: 18px; padding: 20px 24px;
    text-align: left; transition: background 0.2s;
  }
  .accordion-btn:hover { background: rgba(26,75,143,0.02); }
  .accordion-item.open .accordion-btn { background: linear-gradient(90deg, rgba(26,75,143,0.04), transparent); }
  .acc-num {
    width: 36px; height: 36px; border-radius: 10px; background: var(--light);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 800; color: var(--cobalt); flex-shrink: 0;
    transition: background 0.3s, color 0.3s;
  }
  .accordion-item.open .acc-num { background: var(--blue); color: white; }
  .acc-icon { font-size: 20px; flex-shrink: 0; width: 28px; text-align: center; }
  .acc-title { font-size: 15px; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 0.5px; flex: 1; }
  .acc-arrow {
    width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid rgba(26,75,143,0.2);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    transition: transform 0.3s, background 0.3s, border-color 0.3s;
  }
  .accordion-item.open .acc-arrow { transform: rotate(180deg); background: var(--gold); border-color: var(--gold); }
  .acc-arrow svg { width: 14px; height: 14px; stroke: var(--cobalt); fill: none; stroke-width: 2; transition: stroke 0.3s; }
  .accordion-item.open .acc-arrow svg { stroke: var(--blue); }
  .accordion-body {
    max-height: 0; overflow: hidden; transition: max-height 0.45s cubic-bezier(0.4,0,0.2,1);
  }
  .accordion-body.open { max-height: 600px; }
  .accordion-inner { padding: 0 24px 24px 86px; }
  .acc-items { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; }
  .acc-item {
    display: flex; align-items: flex-start; gap: 8px;
    font-size: 13px; color: var(--muted); line-height: 1.5; padding: 8px 12px;
    background: var(--bg); border-radius: 8px;
  }
  .acc-item::before { content: ''; width: 6px; height: 6px; min-width: 6px; background: var(--gold); border-radius: 50%; margin-top: 6px; }

  /* ─── CONTACTO ─── */
  #contacto { background: linear-gradient(135deg, #0d2d5e 0%, var(--blue) 60%, #1c5fa0 100%); position: relative; overflow: hidden; }
  .contact-wave { position: absolute; top: 0; left: 0; width: 100%; pointer-events: none; opacity: 0.15; }
  .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; position: relative; z-index: 2; }
  .contact-left .section-tag { background: rgba(242,183,5,0.15); color: var(--gold); border-left-color: var(--gold); }
  .contact-left .section-title { color: white; }
  .contact-left .section-desc { color: rgba(255,255,255,0.65); }
  .contact-info { margin-top: 32px; display: flex; flex-direction: column; gap: 16px; }
  .contact-item { display: flex; align-items: center; gap: 14px; }
  .contact-item-icon {
    width: 42px; height: 42px; border-radius: 12px;
    background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center;
    font-size: 18px; flex-shrink: 0;
  }
  .contact-item-text { font-size: 14px; color: rgba(255,255,255,0.85); font-weight: 500; }
  .contact-item-label { font-size: 11px; color: rgba(255,255,255,0.45); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
  .contact-card {
    background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
    border-radius: 24px; padding: 36px; backdrop-filter: blur(8px);
  }
  .contact-card h3 { font-size: 18px; font-weight: 700; color: white; margin-bottom: 24px; }
  .social-links { display: flex; flex-direction: column; gap: 12px; }
  .social-link {
    display: flex; align-items: center; gap: 14px; padding: 14px 18px;
    background: rgba(255,255,255,0.06); border-radius: 12px; text-decoration: none;
    transition: background 0.2s;
  }
  .social-link:hover { background: rgba(255,255,255,0.12); }
  .social-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
  .social-icon.ig { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
  .social-icon.fb { background: #1877f2; }
  .social-icon.wa { background: #25d366; }
  .social-text { font-size: 13px; color: rgba(255,255,255,0.85); font-weight: 500; }
  .nit-info { margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 12px; color: rgba(255,255,255,0.4); }

  /* ─── FOOTER ─── */
  footer {
    background: #070f1d; padding: 32px 24px;
    text-align: center; font-size: 12px; color: rgba(255,255,255,0.3);
  }
  footer span { color: var(--gold); }

  /* ─── SCROLL REVEAL ─── */
  .reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s, transform 0.7s; }
  .reveal.visible { opacity: 1; transform: none; }

  /* ─── RESPONSIVE ─── */
 @media (max-width: 900px) {
    .hero-grid, .about-grid, .mvq-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero-right { display: flex; justify-content: center; margin-top: 36px; }
    .hero-img-wrapper { max-width: 320px; }
    .nav-links { display: none; }
    .hamburger { display: flex; }
    nav { padding: 10px 10px; min-width: 100vw; }
    .accordion-inner { padding: 0 16px 20px 16px; }
    .mvq-grid { grid-template-columns: 1fr; }
    .services-intro { flex-direction: column; }
    .hero-logo-bg {
      width: 120%;
      position: absolute;
      left: 50%;
      top: 35%;
  }
}



  @media (max-width: 600px) {
    .values-grid { grid-template-columns: 1fr 1fr; }
    .hero-stats { gap: 20px; }
    .acc-items { grid-template-columns: 1fr; }
  }


/* ─── FOTOS─── */
  .hero-img-wrapper {
    position: relative;
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    animation: float 5s ease-in-out infinite;
  }
  .hero-img-photo {
    width: 100%;
    border-radius: 28px;
    display: block;
    position: relative;
    z-index: 2;
    box-shadow: 0 30px 80px rgba(0,0,0,0.45), 0 0 0 2px rgba(242,183,5,0.25);
    transition: transform 0.4s;
  }
  .hero-img-wrapper:hover .hero-img-photo { transform: scale(1.02); }
  .hero-img-glow {
    position: absolute;
    inset: -18px;
    border-radius: 38px;
    background: radial-gradient(ellipse at 60% 40%, rgba(242,183,5,0.22) 0%, rgba(26,75,143,0.18) 60%, transparent 80%);
    z-index: 1;
    filter: blur(18px);
    animation: glowPulse 4s ease-in-out infinite;
  }
  @keyframes glowPulse {
    0%,100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.04); }
  }
  .hero-img-ring {
    position: absolute;
    inset: -6px;
    border-radius: 32px;
    border: 2px solid rgba(242,183,5,0.3);
    z-index: 3;
    pointer-events: none;
    animation: ringPulse 3s ease-in-out infinite;
  }
  @keyframes ringPulse {
    0%,100% { opacity: 1; inset: -6px; }
    50% { opacity: 0.4; inset: -14px; }
  }
  .hero-img-badge {
    position: absolute;
    bottom: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(242,183,5,0.35);
    border-radius: 999px;
    padding: 8px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 4;
    white-space: nowrap;
    font-size: 12px;
    font-weight: 600;
    color: white;
    letter-spacing: 0.5px;
  }
  .hero-img-badge-dot {
    width: 8px; height: 8px;
    background: var(--gold);
    border-radius: 50%;
    animation: pulse 2s infinite;
  }