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

    /*
      ── DESIGN TOKENS ──
      Paleta derivada del logo KATSA: azul de señal (cinta del ícono) +
      grafito institucional (la "K") + un bronce reservado para el
      sector Gobierno. Fondo claro, neutro y profesional — pensado
      para lectura prolongada e imagen corporativa seria.
    */
    :root {
      --navy:      #f6f8fc;   /* fondo base, gris azulado muy claro */
      --navy-mid:  #eef1f8;
      --panel:     #ffffff;
      --panel-2:   #f2f4f9;
      --cyan:      #1d3fae;   /* azul de señal (marca), extremo oscuro de degradados */
      --cyan-light:#2f5be0;   /* azul de marca para texto, íconos y acentos */
      --cyan-glow: rgba(29,63,174,0.14);
      --cyan-dim:  rgba(47,91,224,0.08);
      --blue:      #14245e;
      --silver:    #1c2333;
      --silver-hi: #0c1220;
      --white:     #141a26;   /* color de texto principal (grafito casi negro) */
      --muted:     #5b6577;
      --border:    rgba(20,32,64,0.11);
      --grid-line: rgba(20,32,64,0.035);
      --green:     #16805a;   /* acento institucional: ROI / sector privado */
      --green-dim:  rgba(22,128,90,0.09);
      --bronze:    #93602c;   /* acento institucional: sector gobierno */
      --bronze-dim: rgba(147,96,44,0.09);
      --logo-cyan:      #22c3ea; /* cian brillante de la cinta del logo */
      --logo-cyan-dim:  rgba(34,195,234,0.10);
      --logo-blue-deep: #14205c; /* azul profundo de la cinta del logo */
      --metal-1:   #2b3242;
      --metal-2:   #808ca1;
      --metal-3:   #10141c;
      --radius:    10px;
      --shadow-sm: 0 1px 3px rgba(16,24,50,0.06);
      --shadow-md: 0 16px 34px rgba(16,24,50,0.10);
      --shadow-lg: 0 26px 60px rgba(16,24,50,0.14);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', sans-serif;
      background: var(--navy);
      color: var(--white);
      line-height: 1.65;
      overflow-x: hidden;
      background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
      background-size: 64px 64px;
    }

    ::selection { background: rgba(47,91,224,0.18); color: var(--white); }

    /* ── FONDO ANIMADO ── */
    #bg-canvas {
      position: fixed;
      inset: 0;
      width: 100%;
      height: 100%;
      z-index: 0;
      pointer-events: none;
      display: block;
    }

    /* ── util: metallic text ── */
    .metal-text {
      background: linear-gradient(115deg, var(--metal-3) 6%, var(--metal-1) 32%, var(--metal-2) 50%, var(--metal-1) 68%, var(--metal-3) 94%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    /* ── util: blueprint corner marks — motivo repetido de la marca ── */
    .blueprint {
      position: relative;
    }
    .blueprint::before,
    .blueprint::after {
      content: '';
      position: absolute;
      width: 14px;
      height: 14px;
      border-color: rgba(20,32,64,0.32);
      opacity: 0;
      transition: opacity .25s ease;
      pointer-events: none;
    }
    .blueprint::before {
      top: 10px; left: 10px;
      border-top: 1px solid; border-left: 1px solid;
    }
    .blueprint::after {
      bottom: 10px; right: 10px;
      border-bottom: 1px solid; border-right: 1px solid;
    }
    .blueprint:hover::before,
    .blueprint:hover::after { opacity: 1; }

    /* ── util: icon chip (reemplaza emojis por línea técnica) ── */
    .icon-chip {
      width: 42px; height: 42px;
      border-radius: 9px;
      border: 1px solid rgba(34,195,234,0.22);
      background: linear-gradient(160deg, var(--logo-cyan-dim), var(--panel) 60%);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
    }
    .icon-chip svg { width: 20px; height: 20px; stroke: var(--cyan-light); fill: none; }
    .icon-chip.tone-alert svg { stroke: #e0917a; }
    .icon-chip.tone-bronze svg { stroke: var(--bronze); }
    .icon-chip.tone-green svg { stroke: var(--green); }

        /* ── NAV ── */
nav { 
    position: fixed; 
    top: 0; left: 0; right: 0; 
    z-index: 100; 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    padding: 0 5% 0 1%; 
    height: 72px; 
    background: rgba(246,248,252,0.86); 
    backdrop-filter: blur(16px); 
    border-bottom: 1px solid var(--border); 
} 

.logo-link { 
    display: flex; 
    align-items: center; 
    height: 72px; 
    text-decoration: none; 
} 

.logo-img { 
    width: 160px; 
    height: 70px; 
    object-fit: contain; 
    object-position: center; 
    display: block; 
    margin-right: -5px; 
} 

.logo-text-block { 
    display: flex; 
    flex-direction: column; 
    line-height: 1.2; 
}

    .logo-name {
      font-family: 'Space Grotesk', sans-serif;
      font-size: 16px;
      font-weight: 700;
      letter-spacing: 1.5px;
      color: var(--silver);
    }

    .logo-name span { color: var(--cyan-light); }

    .logo-sub {
      font-size: 9.5px;
      font-weight: 500;
      letter-spacing: 1.6px;
      text-transform: uppercase;
      color: var(--muted);
    }

    nav ul {
      list-style: none;
      display: flex;
      align-items: center;
      gap: 30px;
    }

    nav ul a {
      text-decoration: none;
      font-size: 13px;
      font-weight: 500;
      color: var(--muted);
      transition: color .2s;
      letter-spacing: .2px;
      position: relative;
    }

    nav ul a:hover { color: var(--white); }

    nav ul a.js-tab-link.is-active { color: var(--cyan-light); }
    nav ul a.js-tab-link.is-active::after {
      content: '';
      position: absolute;
      left: 0; right: 0; bottom: -20px;
      height: 2px;
      background: var(--cyan-light);
      border-radius: 2px;
    }

    /* ── NAV — menú móvil ── */
    .nav-burger {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      width: 38px; height: 38px;
      background: transparent;
      border: 1px solid var(--border);
      border-radius: 8px;
      cursor: pointer;
    }
    .nav-burger span {
      width: 17px; height: 1.5px;
      background: var(--silver);
      border-radius: 2px;
      transition: transform .25s, opacity .25s;
    }
    .nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
    .nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-cta {
    background: linear-gradient(135deg, var(--logo-cyan), var(--cyan) 75%);
    border: none;
    color: #ffffff !important;
    padding: 8px 18px;
    border-radius: 6px;
    font-size: 12.5px !important;
    font-weight: 700;
    transition: filter .2s, transform .15s, box-shadow .2s !important;
    box-shadow: 0 10px 26px rgba(29,63,174,0.24);
}

.nav-cta:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(29,63,174,0.32);
}

    /* ── SECTIONS ── */
    section { position: relative; z-index: 1; }

    /* ── HERO ── */
    #hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      padding: 120px 5% 60px;
      overflow: hidden;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      max-width: 1280px;
      margin: 0 auto;
      width: 100%;
      display: grid;
      grid-template-columns: minmax(0,1.05fr) minmax(0,0.95fr);
      gap: 40px;
      align-items: center;
    }

    /* soft directional light, not a neon blob */
    #hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(60% 55% at 18% 20%, rgba(34,195,234,0.10), transparent 60%),
        radial-gradient(45% 45% at 88% 82%, rgba(147,96,44,0.06), transparent 60%);
      z-index: 0;
      pointer-events: none;
    }

    /* listón diagonal: eco directo de la cinta azul de la "K" del logo */
    .hero-ribbon {
      position: absolute;
      top: -8%; left: -8%;
      width: 116%;
      height: 116%;
      z-index: 1;
      opacity: 0.20;
      pointer-events: none;
      filter: blur(.5px);
    }

    .hero-content { position: relative; text-align: left; }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      font-family: 'JetBrains Mono', 'Space Grotesk', monospace;
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 1.6px;
      text-transform: uppercase;
      color: var(--cyan-light);
      border: 1px solid var(--border);
      padding: 7px 16px;
      border-radius: 20px;
      margin-bottom: 18px;
      background: var(--cyan-dim);
    }

    .hero-eyebrow::before {
      content: '';
      width: 6px; height: 6px;
      border-radius: 50%;
      background: var(--cyan-light);
      animation: pulse 2.4s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50%       { opacity: .35; transform: scale(1.5); }
    }

    h1 {
      font-family: 'Space Grotesk', sans-serif;
      font-size: clamp(2.3rem, 4.2vw, 3.6rem);
      font-weight: 600;
      line-height: 1.12;
      letter-spacing: -1.1px;
      margin-bottom: 16px;
      max-width: 620px;
    }

    h1 .accent { color: var(--cyan-light); }
    h1 .silver { font-weight: 700; }

    .hero-sub {
      font-size: clamp(.97rem, 1.4vw, 1.08rem);
      color: var(--muted);
      max-width: 480px;
      margin-bottom: 26px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--logo-cyan), var(--cyan) 75%);
      color: #ffffff;
      padding: 14px 28px;
      border-radius: 8px;
      font-weight: 700;
      font-size: 14px;
      text-decoration: none;
      transition: filter .2s, transform .15s, box-shadow .2s;
      display: inline-block;
      letter-spacing: .2px;
      box-shadow: 0 10px 26px rgba(29,63,174,0.24);
    }

    .btn-primary:hover {
      filter: brightness(1.08);
      transform: translateY(-2px);
      box-shadow: 0 14px 32px rgba(29,63,174,0.32);
    }

    .btn-secondary {
      background: transparent;
      border: 1px solid var(--border);
      color: var(--white);
      padding: 14px 26px;
      border-radius: 8px;
      font-weight: 500;
      font-size: 14px;
      text-decoration: none;
      transition: border-color .2s, background .2s;
      display: inline-block;
    }

    .btn-secondary:hover {
      border-color: var(--cyan);
      background: var(--cyan-dim);
    }

    .hero-stats {
      display: flex;
      gap: 34px;
      margin-top: 32px;
      flex-wrap: wrap;
    }

    .stat-divider {
      width: 1px;
      background: var(--border);
      align-self: stretch;
    }

    .stat-item { text-align: left; }

    .stat-num {
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1.7rem;
      font-weight: 700;
      color: var(--silver-hi);
      display: block;
      line-height: 1;
    }

    .stat-label {
      font-size: 11.5px;
      color: var(--muted);
      margin-top: 8px;
      letter-spacing: .2px;
      max-width: 130px;
    }

    /* ── HERO — diagrama esquemático (elemento de firma) ── */
    .hero-diagram {
      position: relative;
      z-index: 1;
      aspect-ratio: 1 / 1;
      max-width: 520px;
      margin: 0 auto;
    }
    .hero-diagram svg { width: 100%; height: 100%; overflow: visible; }
    .diagram-frame { fill: none; stroke: rgba(20,32,64,0.16); stroke-width: 1; }
    .diagram-path   { fill: none; stroke: url(#lineGrad); stroke-width: 1.4; }
    .diagram-node-ring { fill: var(--panel); stroke: rgba(20,32,64,0.28); stroke-width: 1; }
    .diagram-node-dot  { fill: var(--logo-cyan); }
    .diagram-label { font-family: 'JetBrains Mono', monospace; font-size: 9.5px; fill: var(--muted); letter-spacing: .5px; }
    .diagram-tick { stroke: rgba(20,32,64,0.22); stroke-width: 1; }
    .pulse-node { animation: nodePulse 3.4s ease-in-out infinite; }
    .pulse-node.d1 { animation-delay: .3s; }
    .pulse-node.d2 { animation-delay: 1s; }
    .pulse-node.d3 { animation-delay: 1.7s; }
    @keyframes nodePulse {
      0%, 100% { opacity: .55; r: 3; }
      50%      { opacity: 1; r: 4; }
    }

    /* unidad que recorre la línea de montaje */
    .diagram-runner {
      fill: var(--logo-cyan);
      filter: drop-shadow(0 0 5px rgba(34,195,234,0.65)) drop-shadow(0 0 10px rgba(29,63,174,0.35));
    }

    /* el marco se "traza" al cargar, como un plano siendo dibujado */
    .diagram-frame {
      stroke-dasharray: 1800;
      stroke-dashoffset: 1800;
      animation: drawFrame 1.8s cubic-bezier(.4,0,.2,1) .15s forwards;
    }
    @keyframes drawFrame {
      to { stroke-dashoffset: 0; }
    }

    @media (prefers-reduced-motion: reduce) {
      .pulse-node, .hero-eyebrow::before, .diagram-runner, .diagram-frame { animation: none; }
      .diagram-frame { stroke-dashoffset: 0; }
      .diagram-runner { opacity: 0; }
    }

    /* ── SPOTLIGHT DE CURSOR SOBRE LA GRILLA (mesa de dibujo) ── */
    .grid-spotlight {
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      opacity: 0;
      transition: opacity .5s ease;
      background: radial-gradient(320px circle at var(--sx, 50%) var(--sy, 50%),
        rgba(34,195,234,0.09), rgba(34,195,234,0.02) 45%, transparent 68%);
    }
    .grid-spotlight.is-active { opacity: 1; }
    @media (hover: none), (pointer: coarse) {
      .grid-spotlight { display: none; }
    }

    /* ── SHARED SECTION STYLES ── */
    .section-header {
      text-align: center;
      margin-bottom: 36px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      font-family: 'JetBrains Mono', monospace;
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 2.4px;
      text-transform: uppercase;
      color: var(--cyan-light);
      margin-bottom: 10px;
    }

    /* eco directo del tagline del logo: "— SOLUCIONES TECNOLÓGICAS ÁGILES —" */
    .eyebrow::before,
    .eyebrow::after {
      content: '';
      width: 20px;
      height: 1px;
      flex-shrink: 0;
      background: linear-gradient(90deg, transparent, var(--logo-cyan));
    }
    .eyebrow::after { background: linear-gradient(90deg, var(--logo-cyan), transparent); }

    h2 {
      font-family: 'Space Grotesk', sans-serif;
      font-size: clamp(1.6rem, 2.8vw, 2.35rem);
      font-weight: 600;
      letter-spacing: -0.5px;
      line-height: 1.18;
      margin-bottom: 12px;
    }

    .section-desc {
      color: var(--muted);
      font-size: .95rem;
      max-width: 540px;
      margin: 0 auto;
    }

    /* ── PROBLEMA ── */
    #problema {
      padding: 64px 5%;
      background: linear-gradient(180deg, transparent, rgba(20,32,64,0.035) 40%, transparent);
    }

    .problems-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 16px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .problem-card {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px 22px;
      position: relative;
      overflow: hidden;
      transition: border-color .25s, transform .25s, box-shadow .25s;
      box-shadow: var(--shadow-sm);
    }

    .problem-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: linear-gradient(90deg, #e0917a, var(--logo-cyan) 130%);
      opacity: .8;
    }

    .problem-card:hover {
      border-color: rgba(224,145,122,0.35);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .problem-card .icon-chip { margin-bottom: 14px; }

    .problem-card h3 {
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .problem-card p { font-size: .87rem; color: var(--muted); line-height: 1.65; }

    /* ── EXPLORAR — sistema de pestañas ── */
    #explorar { padding: 64px 5% 70px; }

    .tabs-nav {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 10px;
      max-width: 1100px;
      margin: 0 auto 30px;
      padding-bottom: 4px;
    }

    .tab-btn {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      background: var(--panel);
      border: 1px solid var(--border);
      color: var(--muted);
      font: inherit;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: .2px;
      padding: 11px 20px;
      border-radius: 999px;
      cursor: pointer;
      transition: border-color .2s, color .2s, background .2s, transform .2s;
      white-space: nowrap;
    }

    .tab-btn-index {
      font-family: 'JetBrains Mono', monospace;
      font-size: 10px;
      color: var(--cyan-light);
      opacity: .7;
    }

    .tab-btn:hover {
      border-color: rgba(61,111,224,0.4);
      color: var(--white);
      transform: translateY(-1px);
    }

    .tab-btn.is-active {
      background: linear-gradient(135deg, var(--logo-cyan-dim), var(--panel-2));
      border-color: var(--cyan);
      color: var(--white);
      box-shadow: 0 8px 22px rgba(34,195,234,0.20);
    }

    .tab-btn.is-active .tab-btn-index { opacity: 1; }

    /* ── barra de "compilación" al cambiar de pestaña ── */
    .build-bar {
      max-width: 1100px;
      margin: 0 auto 20px;
      height: 2px;
      background: rgba(20,32,64,0.08);
      border-radius: 2px;
      overflow: hidden;
      opacity: 0;
      transition: opacity .25s ease;
    }
    .build-bar span {
      display: block;
      height: 100%;
      width: 0%;
      background: linear-gradient(90deg, var(--logo-cyan), var(--cyan), var(--green));
      border-radius: 2px;
    }
    .build-bar.is-running { opacity: 1; }
    .build-bar.is-running span { animation: buildRun .5s cubic-bezier(.3,0,.2,1) forwards; }
    @keyframes buildRun { from { width: 0%; } to { width: 100%; } }
    @media (prefers-reduced-motion: reduce) {
      .build-bar { display: none; }
    }

    .tabs-panels { max-width: 1280px; margin: 0 auto; position: relative; }

    .tab-panel { animation: panelIn .38s ease both; }

    @keyframes panelIn {
      from { opacity: 0; transform: translateY(10px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    /* ── ensamblaje en cascada: las tarjetas "entran" como piezas en la línea ── */
    .stagger-card {
      animation: cardIn .55s cubic-bezier(.16,.84,.44,1) both;
    }
    .stagger-card:nth-child(1) { animation-delay: .03s; }
    .stagger-card:nth-child(2) { animation-delay: .10s; }
    .stagger-card:nth-child(3) { animation-delay: .17s; }
    .stagger-card:nth-child(4) { animation-delay: .24s; }
    .stagger-card:nth-child(5) { animation-delay: .31s; }
    @keyframes cardIn {
      from { opacity: 0; transform: translateY(18px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    @media (prefers-reduced-motion: reduce) {
      .tab-panel, .stagger-card { animation: none; }
    }

    /* ── SOLUCION ── */
    #solucion { padding: 0; }

    .assembly-container { max-width: 1100px; margin: 0 auto; }

    .assembly-track {
      display: flex;
      gap: 0;
      position: relative;
    }

    .assembly-track::before {
      content: '';
      position: absolute;
      top: 30px; left: 0; right: 0;
      height: 1px;
      background: repeating-linear-gradient(90deg, rgba(20,32,64,0.22) 0 6px, transparent 6px 12px);
      z-index: 0;
    }

    .pillar-card {
      flex: 1;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 22px 20px;
      position: relative;
      z-index: 1;
      margin: 0 10px;
      overflow: hidden;
      transition: transform .25s, border-color .25s, box-shadow .25s;
      box-shadow: var(--shadow-sm);
    }

    .pillar-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--logo-cyan), var(--cyan) 75%, var(--logo-blue-deep));
      opacity: .85;
    }

    .pillar-card:first-child { margin-left: 0; }
    .pillar-card:last-child  { margin-right: 0; }

    .pillar-card:hover {
      transform: translateY(-6px);
      border-color: rgba(61,111,224,0.4);
      box-shadow: var(--shadow-md);
    }

    .pillar-num {
      font-family: 'JetBrains Mono', monospace;
      font-size: 10.5px;
      font-weight: 500;
      letter-spacing: 1.5px;
      color: var(--cyan-light);
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .pillar-card .icon-chip { margin-bottom: 12px; }

    .pillar-card h3 {
      font-family: 'Space Grotesk', sans-serif;
      font-size: .92rem;
      font-weight: 600;
      margin-bottom: 8px;
      line-height: 1.3;
    }

    .pillar-card p { font-size: .83rem; color: var(--muted); line-height: 1.6; }

    /* ── SERVICIOS ── */
    #servicios { padding: 0; }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 16px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .service-card {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px 22px;
      position: relative;
      overflow: hidden;
      transition: border-color .25s, transform .25s, box-shadow .25s;
      box-shadow: var(--shadow-sm);
    }

    .service-card::after {
      content: '';
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--logo-cyan), var(--cyan) 60%, var(--logo-blue-deep));
      transform: scaleX(0);
      transition: transform .3s;
      transform-origin: left;
    }

    .service-card:hover {
      border-color: rgba(61,111,224,0.35);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .service-card:hover::after { transform: scaleX(1); }

    .service-card .icon-chip { margin-bottom: 14px; }

    .service-card h3 {
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .service-card p { font-size: .87rem; color: var(--muted); line-height: 1.65; }

    .service-tag {
      display: inline-block;
      margin-top: 12px;
      font-family: 'JetBrains Mono', monospace;
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 1.2px;
      text-transform: uppercase;
      color: var(--cyan-light);
      background: var(--cyan-dim);
      border: 1px solid var(--border);
      padding: 4px 10px;
      border-radius: 4px;
    }

    /* ── SECTORES ── */
    #sectores { padding: 0; }

    .sectores-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .sector-card {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px 28px;
      position: relative;
      overflow: hidden;
      transition: transform .25s, box-shadow .25s;
      box-shadow: var(--shadow-sm);
    }

    .sector-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .sector-card.gobierno::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--bronze), transparent);
    }

    .sector-card.privado::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--green), transparent);
    }

    .sector-label {
      font-family: 'JetBrains Mono', monospace;
      font-size: 10.5px;
      font-weight: 500;
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 10px;
      color: var(--bronze);
    }

    .sector-card.privado .sector-label { color: var(--green); }

    .sector-card h3 {
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 18px;
      line-height: 1.28;
    }

    .sector-item {
      display: flex;
      gap: 12px;
      margin-bottom: 12px;
      align-items: flex-start;
    }

    .sector-dot {
      width: 6px; height: 6px;
      border-radius: 50%;
      margin-top: 7px;
      flex-shrink: 0;
      background: var(--bronze);
    }

    .sector-card.privado .sector-dot { background: var(--green); }

    .sector-item strong { font-weight: 600; font-size: .89rem; display: block; margin-bottom: 3px; }
    .sector-item span   { font-size: .83rem; color: var(--muted); line-height: 1.5; }

    /* ── TECNOLOGÍA ── */
    #tecnologia { padding: 0; }

    .tech-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 42px;
      align-items: center;
      max-width: 1100px;
      margin: 0 auto;
    }

    .tech-content p { color: var(--muted); font-size: .93rem; margin-bottom: 22px; line-height: 1.75; }

    .tech-features { display: flex; flex-direction: column; gap: 14px; }

    .tech-feature { display: flex; gap: 14px; align-items: flex-start; }

    .tech-feature-icon {
      width: 36px; height: 36px;
      border: 1px solid var(--border);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      background: var(--panel-2);
    }
    .tech-feature-icon svg { width: 17px; height: 17px; stroke: var(--cyan-light); fill: none; }

    .tech-feature-text strong { display: block; font-size: .9rem; font-weight: 600; margin-bottom: 3px; }
    .tech-feature-text span   { font-size: .83rem; color: var(--muted); }

    .sso-diagram {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 24px;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .sso-diagram::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 50% 40%, rgba(61,111,224,0.05), transparent 70%);
      pointer-events: none;
    }

    .sso-center {
      width: 84px; height: 84px;
      border-radius: 50%;
      background: linear-gradient(150deg, var(--logo-cyan), var(--cyan) 65%, var(--logo-blue-deep));
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 12.5px;
      color: #ffffff;
      text-align: center;
      margin: 0 auto 26px;
      box-shadow: 0 12px 32px rgba(29,63,174,0.28);
      line-height: 1.25;
      position: relative;
      z-index: 1;
    }

    .sso-nodes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; position: relative; z-index: 1; }

    .sso-node {
      background: var(--panel-2);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 11px 13px;
      font-size: .78rem;
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--muted);
      transition: border-color .2s, color .2s;
    }

    .sso-node:hover { border-color: var(--green); color: var(--white); }

    .sso-node-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan-light); flex-shrink: 0; }

    /* ── METODOLOGÍA (roadmap) ── */
    #metodologia { padding: 0; }

    .roadmap-track {
      display: flex;
      gap: 18px;
      max-width: 1000px;
      margin: 0 auto;
      position: relative;
    }

    .roadmap-track::before {
      content: '';
      position: absolute;
      top: 27px;
      left: 27px; right: 27px;
      height: 1px;
      background: repeating-linear-gradient(90deg, rgba(20,32,64,0.22) 0 6px, transparent 6px 12px);
      z-index: 0;
    }

    .phase-card {
      flex: 1;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 20px 20px;
      position: relative;
      z-index: 1;
      transition: transform .25s, border-color .25s;
      box-shadow: var(--shadow-sm);
    }

    .phase-card:hover { transform: translateY(-4px); border-color: rgba(61,111,224,0.4); box-shadow: var(--shadow-md); }

    .phase-num {
      width: 40px; height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 15px;
      margin-bottom: 14px;
      color: #ffffff;
      border: 1px solid var(--border);
    }

    .phase-card:nth-child(1) .phase-num { background: linear-gradient(150deg, var(--cyan-light), var(--cyan)); }
    .phase-card:nth-child(2) .phase-num { background: linear-gradient(150deg, var(--cyan-light), var(--cyan)); }
    .phase-card:nth-child(3) .phase-num { background: linear-gradient(150deg, #8bc4ab, var(--green)); }

    .phase-card h3 { font-family: 'Space Grotesk', sans-serif; font-size: .93rem; font-weight: 600; margin-bottom: 10px; }

    .phase-card ul { list-style: none; }

    .phase-card li {
      font-size: .83rem;
      color: var(--muted);
      padding: 6px 0;
      border-bottom: 1px solid rgba(20,32,64,0.07);
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .phase-card li::before { content: '—'; color: var(--cyan-light); font-size: .78rem; flex-shrink: 0; margin-top: 1px; }
    .phase-card li:last-child { border-bottom: none; }

    /* ── CTA ── */
    #contacto { padding: 70px 5%; text-align: center; }

    .cta-box {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 46px 40px;
      max-width: 800px;
      margin: 0 auto;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .cta-box::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--bronze), var(--logo-cyan) 45%, var(--cyan) 75%, var(--green));
    }

    .cta-box::after {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 50% -10%, rgba(61,111,224,0.07), transparent 70%);
      pointer-events: none;
    }

    .cta-logo-wrap {
      position: relative;
      width: 76px;
      margin: 0 auto 26px;
    }

    .cta-logo {
      width: 76px;
      height: auto;
      display: block;
      opacity: .92;
    }

    .cta-pixels {
      position: absolute;
      top: -14px;
      left: -34px;
      width: 40px;
      height: 40px;
      pointer-events: none;
    }

    .cta-box h2 { margin-bottom: 16px; }

    .cta-box p {
      color: var(--muted);
      font-size: 1rem;
      margin-bottom: 26px;
      max-width: 500px;
      margin-left: auto;
      margin-right: auto;
    }

    .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

    .contact-info {
      margin-top: 28px;
      display: flex;
      gap: 30px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .contact-item { display: flex; align-items: center; gap: 10px; font-size: .87rem; }

    .contact-icon {
      width: 32px; height: 32px;
      background: var(--panel-2);
      border: 1px solid var(--border);
      border-radius: 7px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .contact-icon svg { width: 15px; height: 15px; stroke: var(--cyan-light); fill: none; }

    .contact-item a { color: var(--muted); text-decoration: none; transition: color .2s; }
    .contact-item a:hover { color: var(--cyan-light); }
    .contact-item span { color: var(--muted); }

    /* ── FOOTER ── */
    footer {
      border-top: 1px solid var(--border);
      padding: 22px 5%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
      z-index: 1;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-left { display: flex; align-items: center; gap: 14px; }

    .footer-logo { width: 32px; height: auto; opacity: .65; }

    .footer-text { display: flex; flex-direction: column; line-height: 1.2; }
    .footer-name { font-family: 'Space Grotesk', sans-serif; font-size: 14px; font-weight: 700; color: var(--silver); letter-spacing: 1px; }
    .footer-name span { color: var(--cyan-light); }
    .footer-sub { font-size: 9px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--muted); }

    .footer-center { text-align: center; flex: 1; }

    .footer-nav { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
    .footer-nav a { font-size: .8rem; color: var(--muted); text-decoration: none; transition: color .2s; }
    .footer-nav a:hover { color: var(--cyan-light); }

    .footer-right { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
    .footer-right a { font-size: .8rem; color: var(--muted); text-decoration: none; transition: color .2s; }
    .footer-right a:hover { color: var(--cyan-light); }
    .footer-right p { font-size: .76rem; color: var(--muted); opacity: .8; }

    /* ── RESPONSIVE ── */
    @media (max-width: 980px) {
      .hero-inner { grid-template-columns: 1fr; }
      .hero-content { text-align: left; }
      .hero-diagram { max-width: 380px; margin-top: 20px; }
      .assembly-track { flex-direction: column; }
      .assembly-track::before { display: none; }
      .pillar-card { margin: 0; }
      .sectores-grid { grid-template-columns: 1fr; }
      .tech-wrapper { grid-template-columns: 1fr; }
      .sso-diagram { order: -1; }
      .roadmap-track { flex-direction: column; }
      .roadmap-track::before { display: none; }

      .nav-burger { display: flex; }
      nav ul {
        position: fixed;
        top: 72px; left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(246,248,252,0.98);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border);
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
      }
      nav ul.is-open { max-height: 480px; }
      nav ul li { width: 100%; }
      nav ul a { display: block; padding: 16px 6%; border-bottom: 1px solid rgba(20,32,64,0.06); }
      nav ul a.js-tab-link.is-active::after { display: none; }
      .nav-cta { margin: 14px 6% 18px; text-align: center; }

      .tabs-nav { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding: 0 4px 10px; -webkit-overflow-scrolling: touch; }
      .tabs-nav::-webkit-scrollbar { height: 4px; }
      .tab-btn { flex-shrink: 0; }

      .footer-right { align-items: center; }
      footer { justify-content: center; text-align: center; }
    }

    @media (max-width: 600px) {
      h1 { font-size: 2rem; }
      .hero-stats { gap: 26px; }
      .cta-box { padding: 44px 22px; }
      .stat-divider { display: none; }
      #hero { padding-top: 100px; }
    }


/* ── SERVICE SCHEDULING MODAL ── */
.schedule-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 20, 32, .55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.schedule-modal.is-open { display: flex; }
.schedule-dialog {
  position: relative;
  width: min(720px, 100%);
  max-height: 92vh;
  overflow-y: auto;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow-lg);
}
.schedule-close {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--panel-2);
  color: var(--white);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background .2s;
}
.schedule-close:hover { background: var(--cyan-dim); }
.schedule-kicker {
  margin-bottom: 8px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--cyan-light);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.schedule-dialog h2 { margin: 0 45px 8px 0; }
.schedule-dialog .schedule-subtitle {
  margin: 0 0 26px;
  color: var(--muted);
  line-height: 1.6;
}
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.schedule-field { display: flex; flex-direction: column; gap: 8px; }
.schedule-field.full { grid-column: 1 / -1; }
.schedule-field label {
  color: var(--silver);
  font-size: 12.5px;
  font-weight: 600;
}
.schedule-field input,
.schedule-field select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 9px;
  outline: none;
  background: var(--panel-2);
  color: var(--white);
  font: inherit;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.schedule-field input:focus,
.schedule-field select:focus {
  border-color: var(--cyan-light);
  background: var(--panel);
  box-shadow: 0 0 0 3px rgba(47,91,224,0.14);
}
.schedule-field input::placeholder { color: var(--muted); }
.schedule-field select option { background: var(--panel); color: var(--white); }
.schedule-field input[type="date"]::-webkit-calendar-picker-indicator,
.schedule-field input[type="time"]::-webkit-calendar-picker-indicator { opacity: .65; cursor: pointer; }
.schedule-note {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
.schedule-actions { margin-top: 24px; display: flex; gap: 12px; }
.schedule-actions button {
  flex: 1;
  min-height: 50px;
  border: 0;
  border-radius: 9px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  transition: filter .2s;
}
.schedule-submit { background: linear-gradient(135deg, var(--logo-cyan), var(--cyan) 75%); color: #ffffff; }
.schedule-submit:hover { filter: brightness(1.08); }
.schedule-cancel { background: var(--panel-2); color: var(--silver); border: 1px solid var(--border) !important; }
.schedule-success {
  display: none;
  margin-top: 20px;
  padding: 16px;
  border: 1px solid rgba(22,128,90,.28);
  border-radius: 10px;
  background: var(--green-dim);
  color: #0f5c40;
  line-height: 1.55;
  font-size: .88rem;
}
.schedule-success strong { color: var(--green); }
body.modal-open { overflow: hidden; }
@media (max-width: 640px) {
  .schedule-modal { padding: 12px; }
  .schedule-dialog { padding: 25px 18px 20px; border-radius: 16px; }
  .schedule-grid { grid-template-columns: 1fr; gap: 15px; }
  .schedule-field.full { grid-column: auto; }
  .schedule-actions { flex-direction: column; }
}