/* =========================================================
       VARIABLES & RESET
    ========================================================= */
    :root {
      --navy:     #254358;
      --steel:    #3E78A4;
      --slate:    #7C8488;
      --charcoal: #575755;
      --white:    #FFFFFF;

      --navy-dark:  #1a3042;
      --steel-light:#5b96c0;
      --bg-light:   #f5f7f9;
      --bg-mid:     #eef1f4;
      --border:     #d4dce4;

      --font: 'Montserrat', sans-serif;
      --transition: 0.25s ease;

      --max-w: 1200px;
      --section-py: 96px;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font);
      color: var(--charcoal);
      background: var(--white);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    img { display: block; max-width: 100%; }
    a   { text-decoration: none; color: inherit; }
    ul  { list-style: none; }
    h1, h2, h3, h4, h5, h6 { text-align: left; }

    /* =========================================================
       BILINGUAL SYSTEM — CSS-only radio trick
       Two hidden radio inputs at top of body control visibility
       of .lang-es / .lang-en elements throughout the page.
    ========================================================= */

    /* Hide the radio controls */
    #lang-es-radio,
    #lang-en-radio {
      position: absolute;
      opacity: 0;
      pointer-events: none;
    }

    /* Default: Spanish visible, English hidden */
    .lang-en { display: none !important; }
    .lang-es { display: revert; }

    /* When English is selected */
    #lang-en-radio:checked ~ * .lang-en,
    #lang-en-radio:checked ~ .lang-en { display: revert !important; }

    #lang-en-radio:checked ~ * .lang-es,
    #lang-en-radio:checked ~ .lang-es { display: none !important; }

    /* Keep flex items working */
    #lang-en-radio:checked ~ * .lang-en.d-flex { display: flex !important; }
    #lang-es-radio:checked ~ * .lang-es.d-flex { display: flex !important; }

    /* Language selector labels in header */
    .lang-toggle {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .lang-toggle label {
      cursor: pointer;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      color: #fff;
      opacity: 0.55;
      padding: 2px 4px;
      transition: var(--transition);
      line-height: 1;
    }
    .lang-toggle label:hover { opacity: 1; }
    .lang-separator {
      color: rgba(255,255,255,0.45);
      font-size: 0.85rem;
      font-weight: 400;
      line-height: 1;
      pointer-events: none;
      user-select: none;
    }

    /* Active ES */
    #lang-es-radio:checked ~ .site-wrapper .label-es,
    body:not(:has(#lang-en-radio:checked)) .label-es {
      opacity: 1;
    }
    /* Active EN */
    #lang-en-radio:checked ~ .site-wrapper .label-en {
      opacity: 1;
    }

    /* =========================================================
       LAYOUT UTILITIES
    ========================================================= */
    .container {
      max-width: var(--max-w);
      margin-inline: auto;
      padding-inline: 40px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--steel);
      border-left: 3px solid var(--steel);
      padding-left: 10px;
      margin-bottom: 20px;
    }

    .section-tag--light {
      color: rgba(255,255,255,0.7);
      border-left-color: rgba(255,255,255,0.5);
    }

    /* =========================================================
       BUTTONS
    ========================================================= */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--font);
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      padding: 14px 32px;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      line-height: 1;
      text-decoration: none;
    }

    .btn-primary {
      background: var(--steel);
      color: var(--white);
    }
    .btn-primary:hover { background: var(--navy); }

    .btn-secondary {
      background: transparent;
      color: var(--white);
      border: 2px solid rgba(255,255,255,0.6);
    }
    .btn-secondary:hover {
      border-color: var(--white);
      background: rgba(255,255,255,0.08);
    }

    .btn-dark {
      background: var(--navy);
      color: var(--white);
    }
    .btn-dark:hover { background: var(--navy-dark); }

    .btn-outline {
      background: transparent;
      color: var(--navy);
      border: 2px solid var(--navy);
    }
    .btn-outline:hover { background: var(--navy); color: var(--white); }

    .btn-outline-light {
      background: transparent;
      color: var(--white);
      border: 2px solid rgba(255,255,255,0.5);
    }
    .btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

    /* Arrow decoration */
    .btn::after { content: '→'; font-weight: 400; font-size: 1em; }
    .btn-secondary::after { content: ''; }

    /* =========================================================
       HEADER
    ========================================================= */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: transparent;
      border-bottom: 1px solid transparent;
      transition: background 0.35s ease, border-color 0.35s ease;
    }

    .site-header.scrolled,
    .site-header--solid {
      background: rgba(26, 46, 61, 0.96);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255,255,255,0.1);
      box-shadow: 0 2px 24px rgba(0,0,0,0.18);
    }

    .header-inner {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      height: 92px;
    }

    /* Logo */
    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .logo-mark {
      display: none;
    }

    .logo-img {
      height: 90px;
      width: auto;
      display: block;
    }

    .logo-text, .logo-sub {
      display: none;
    }

    /* Nav */
    .site-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 28px;
    }

    .nav-dropdown {
      font-size: 0.80rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: none;
      color: #FFFFFF;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      transition: var(--transition);
    }
    .nav-dropdown:hover { opacity: 0.75; }
    .nav-arrow { font-size: 0.8em; }

    .site-nav a {
      font-size: 0.80rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: none;
      color: #FFFFFF;
      transition: var(--transition);
      padding: 4px 0;
      position: relative;
    }

    .site-nav a::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--steel);
      transform: scaleX(0);
      transition: var(--transition);
    }

    .site-nav a:hover { opacity: 0.75; }
    .site-nav a:hover::after { transform: scaleX(1); }

    .site-nav a.nav-active {
      opacity: 1;
      color: #fff;
    }
    .site-nav a.nav-active::after {
      transform: scaleX(1);
      background: linear-gradient(90deg, #3E78A4, #5ab4e8);
    }

    /* Header actions */
    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-shrink: 0;
    }

    .btn-login {
      font-size: 0.72rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.65);
      transition: var(--transition);
      padding: 6px 0;
    }
    .btn-login:hover { color: var(--white); }

    .btn-register {
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.02em;
      text-transform: none;
      padding: 11px 28px;
      background: linear-gradient(135deg, #4a8bbf 0%, #2d6a9f 100%);
      color: #FFFFFF;
      border-radius: 9999px;
      transition: all 0.25s ease;
      line-height: 1;
      white-space: nowrap;
      box-shadow: 0 2px 14px rgba(62,120,164,0.4);
    }
    .btn-register:hover {
      background: linear-gradient(135deg, #5599cc 0%, #3E78A4 100%);
      transform: translateY(-1px);
      box-shadow: 0 4px 18px rgba(62,120,164,0.5);
    }

    .header-divider {
      width: 1px;
      height: 20px;
      background: rgba(255,255,255,0.15);
    }

    /* =========================================================
       HERO
    ========================================================= */
    .hero {
      position: relative;
      min-height: 100vh;
      padding-top: 72px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      background: var(--navy-dark);
    }

    /* Simulated mining background with SVG pattern overlay */
    .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/images/hero-bg.jpg');
      background-size: cover;
      background-position: center center;
      background-repeat: no-repeat;
    }

    /* No texture overlay needed with real photo */
    .hero-bg::before {
      content: '';
      position: absolute;
      inset: 0;
    }

    /* Dark overlay over photo */
    .hero-overlay {
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 65% 55% at 18% 65%, rgba(62,120,164,0.22) 0%, transparent 65%),
        rgba(10, 22, 35, 0.60);
    }

    /* Accent decorative vertical line */
    .hero-accent-line {
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 1px;
      background: linear-gradient(to bottom, transparent, rgba(62,120,164,0.3), transparent);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0;
      margin-bottom: 32px;
    }

    .hero-eyebrow-line {
      display: none;
    }

    .hero-eyebrow-text {
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.9);
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.3);
      padding: 6px 16px;
      border-radius: 20px;
      backdrop-filter: blur(4px);
    }

    .hero h1 {
      font-size: clamp(1.8rem, 3.6vw, 3.8rem);
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -0.01em;
      color: var(--white);
      text-transform: uppercase;
      margin-bottom: 20px;
      text-align: center;
    }

    .hero h1 .hero-highlight {
      background: linear-gradient(135deg, #7dcef5 0%, #5ab4e8 60%, #3e9fd4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-style: italic;
      font-weight: 800;
      display: inline;
    }

    .hero-description {
      font-size: 0.95rem;
      font-weight: 400;
      color: rgba(255,255,255,0.75);
      max-width: 500px;
      line-height: 1.7;
      margin-bottom: 36px;
      text-align: center;
    }

    .hero-cta {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 0;
    }

    .btn-hero {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, #4a8bbf 0%, #2d6a9f 100%);
      color: var(--white);
      font-size: 0.9rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      padding: 14px 32px;
      border-radius: 40px;
      transition: all 0.25s ease;
      text-decoration: none;
      box-shadow: 0 4px 20px rgba(62,120,164,0.4);
    }

    .btn-hero:hover {
      background: linear-gradient(135deg, #5599cc 0%, #3E78A4 100%);
      transform: translateY(-3px);
      box-shadow: 0 8px 28px rgba(62,120,164,0.52);
    }

    .btn-hero-arrow {
      font-size: 1rem;
      display: inline-block;
      transition: transform 0.2s ease;
    }

    .btn-hero:hover .btn-hero-arrow {
      transform: translateX(4px);
    }

    .hero-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.5);
      transition: var(--transition);
    }

    .hero-link:hover { color: rgba(255,255,255,0.85); }

    .hero-link::after {
      content: '↓';
      font-size: 0.9em;
      transition: transform var(--transition);
    }

    .hero-link:hover::after { transform: translateY(2px); }

    /* Stats bar - hidden in new design */
    .hero-stats { display: none; }
    .hero-link { display: none; }
    .hero-accent-line { display: none; }

    /* =========================================================
       SECTION: PROBLEMA / NECESIDAD
    ========================================================= */
    .section-problem {
      padding: 80px 0 80px;
      background: #f8f9fb;
    }

    .problem-layout {
      display: grid;
      grid-template-columns: 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .problem-left {
      max-width: 680px;
    }

    .problem-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      border: 1px solid #dde3ea;
      border-radius: 20px;
      padding: 5px 14px;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: #3E78A4;
      margin-bottom: 24px;
    }

    .problem-eyebrow::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #3E78A4;
      flex-shrink: 0;
    }

    .problem-title {
      font-size: clamp(1.7rem, 2.8vw, 2.4rem);
      font-weight: 800;
      color: #1a2e3d;
      line-height: 1.2;
      letter-spacing: -0.02em;
      text-transform: uppercase;
      margin-bottom: 24px;
    }

    .problem-title .highlight {
      background: linear-gradient(135deg, #3E78A4 0%, #5ab4e8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-style: italic;
    }

    .problem-desc {
      font-size: 0.92rem;
      color: #5a6a78;
      line-height: 1.75;
      max-width: 560px;
    }

    .problem-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      align-items: stretch;
    }

    .problem-card-new {
      background: #fff;
      border: 1px solid #e4eaf0;
      border-radius: 12px;
      padding: 28px 24px;
      box-shadow: 0 2px 12px rgba(37,67,88,0.05);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .problem-card-new:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 40px rgba(37,67,88,0.12);
      border-color: #b8ccd8;
    }

    .problem-card-icon {
      font-size: 1.5rem;
      margin-bottom: 14px;
      display: block;
      color: #3E78A4;
    }

    .problem-card-icon svg {
      width: 34px;
      height: 34px;
      stroke: #3E78A4;
      fill: none;
      stroke-width: 1.5;
    }

    .problem-card-new h3 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #1a2e3d;
      margin-bottom: 10px;
    }

    .problem-card-new p {
      font-size: 0.83rem;
      color: #6b7a87;
      line-height: 1.65;
    }

    .problem-quote-box {
      background: linear-gradient(135deg, #1a2e3d 0%, #254358 100%);
      border-radius: 16px;
      padding: 52px 64px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .problem-quote-box::before {
      content: '\201C';
      position: absolute;
      top: -20px;
      left: 40px;
      font-size: 10rem;
      font-weight: 800;
      color: rgba(90,180,232,0.08);
      line-height: 1;
      pointer-events: none;
    }

    .problem-quote-box p {
      font-size: 1.2rem;
      font-weight: 500;
      color: rgba(255,255,255,0.92);
      font-style: italic;
      line-height: 1.7;
      max-width: 680px;
      margin: 0 auto 32px;
    }

    /* =========================================================
       SECTION: NUEVO ENFOQUE (valor + operaciones)
    ========================================================= */
    .section-enfoque {
      padding: 80px 0 80px;
      background: linear-gradient(150deg, #111e2b 0%, #1e3448 45%, #162a3c 100%);
      color: #fff;
      position: relative;
    }
    .section-enfoque::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(90,180,232,0.45), transparent);
    }

    .enfoque-eyebrow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 20px;
      padding: 5px 16px;
      font-size: 0.62rem;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.85);
      margin-bottom: 24px;
    }

    .enfoque-title {
      font-size: clamp(1.8rem, 3vw, 2.6rem);
      font-weight: 800;
      color: #fff;
      text-transform: uppercase;
      line-height: 1.2;
      letter-spacing: -0.01em;
      text-align: center;
      margin-bottom: 64px;
    }

    .enfoque-title .highlight {
      background: linear-gradient(135deg, #7dcef5 0%, #5ab4e8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-style: italic;
    }

    .enfoque-header {
      text-align: center;
      margin-bottom: 64px;
    }

    .enfoque-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: start;
    }

    /* Left: checkmark bullets */
    .enfoque-bullets {
      display: flex;
      flex-direction: column;
      gap: 32px;
    }

    .enfoque-bullet {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }

    .enfoque-bullet-icon {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      border: 2px solid rgba(90,180,232,0.6);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .enfoque-bullet-icon svg {
      width: 13px;
      height: 13px;
      stroke: #5ab4e8;
      fill: none;
      stroke-width: 2.5;
    }

    .enfoque-bullet-text h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
    }

    .enfoque-bullet-text p {
      font-size: 0.85rem;
      color: rgba(255,255,255,0.6);
      line-height: 1.6;
    }

    /* Right: numbered steps */
    .enfoque-steps {
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 16px;
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .enfoque-step {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px 20px;
      border-radius: 10px;
      cursor: default;
      transition: background 0.2s;
    }

    .enfoque-step.active {
      background: linear-gradient(135deg, #4a8bbf 0%, #2d6a9f 100%);
      box-shadow: 0 4px 16px rgba(62,120,164,0.3);
    }

    .enfoque-step-num {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(255,255,255,0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.72rem;
      font-weight: 700;
      color: #fff;
      flex-shrink: 0;
    }

    .enfoque-step.active .enfoque-step-num {
      background: rgba(255,255,255,0.25);
    }

    .enfoque-step-label {
      font-size: 0.92rem;
      font-weight: 600;
      color: rgba(255,255,255,0.7);
    }

    .enfoque-step.active .enfoque-step-label {
      color: #fff;
    }


    /* =========================================================
       SECTION: COMO OPERAMOS
    ========================================================= */
    .section-operamos {
      padding: 80px 0 80px;
      background: #f8f9fb;
    }

    .operamos-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      margin-bottom: 64px;
      flex-wrap: wrap;
      gap: 24px;
    }

    .operamos-header-left {}

    .operamos-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      border: 1px solid #dde3ea;
      border-radius: 20px;
      padding: 5px 14px;
      font-size: 0.62rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: #3E78A4;
      margin-bottom: 16px;
    }

    .operamos-eyebrow::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #3E78A4;
      flex-shrink: 0;
    }

    .operamos-title {
      font-size: clamp(1.6rem, 2.8vw, 2.2rem);
      font-weight: 800;
      color: #1a2e3d;
      text-transform: uppercase;
      line-height: 1.2;
      letter-spacing: -0.01em;
      margin: 0;
    }

    .operamos-title .highlight {
      background: linear-gradient(135deg, #3E78A4 0%, #5ab4e8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-style: italic;
      text-transform: none;
    }

    .btn-acceder {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 24px;
      border: 1.5px solid #c5d3de;
      border-radius: 9999px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #1a2e3d;
      background: #fff;
      text-decoration: none;
      white-space: nowrap;
      transition: all 0.2s;
      align-self: center;
    }
    .btn-acceder:hover {
      border-color: #3E78A4;
      color: #3E78A4;
    }

    .operamos-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      border-top: 1px solid #e4eaf0;
    }

    .operamos-card {
      padding: 40px 32px 40px 0;
      border-right: 1px solid #e4eaf0;
      transition: background 0.25s ease;
      border-radius: 0;
    }
    .operamos-card:hover {
      background: linear-gradient(180deg, #f0f4f8 0%, transparent 100%);
    }
    .operamos-card:last-child {
      border-right: none;
      padding-right: 0;
    }
    .operamos-card:not(:first-child) {
      padding-left: 32px;
    }

    .operamos-num {
      font-size: 3rem;
      font-weight: 800;
      color: #dde6ed;
      line-height: 1;
      margin-bottom: 16px;
      letter-spacing: -0.04em;
    }

    .operamos-card h3 {
      font-size: 1rem;
      font-weight: 700;
      color: #1a2e3d;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .operamos-card p {
      font-size: 0.85rem;
      color: #6b7a87;
      line-height: 1.65;
      max-width: 220px;
      text-align: left;
    }


    /* =========================================================
       SECTION: CONECTAMOS LA MINERIA
    ========================================================= */
    .section-conectamos {
      padding: 96px 0;
      background: #f8f9fb;
    }

    .conectamos-intro {
      text-align: center;
      max-width: 600px;
      margin: 0 auto 72px;
    }

    .conectamos-intro h2 {
      font-size: clamp(2rem, 3.5vw, 2.8rem);
      font-weight: 800;
      color: #254358;
      margin-bottom: 18px;
      line-height: 1.15;
    }

    .conectamos-intro p {
      font-size: 0.98rem;
      color: #5a6a78;
      line-height: 1.7;
    }

    .conectamos-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }

    /* Left text */
    .conectamos-text .vision-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      border: 1px solid #dde3ea;
      border-radius: 20px;
      padding: 5px 14px;
      font-size: 0.62rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: #3E78A4;
      margin-bottom: 20px;
    }

    .conectamos-text h3 {
      font-size: clamp(1.4rem, 2.2vw, 1.85rem);
      font-weight: 800;
      color: #254358;
      line-height: 1.3;
      margin-bottom: 20px;
    }

    .conectamos-text .desc1 {
      font-size: 0.9rem;
      color: #4a5a68;
      line-height: 1.75;
      margin-bottom: 16px;
    }

    .conectamos-text .desc2 {
      font-size: 0.9rem;
      color: #4a5a68;
      line-height: 1.75;
      margin-bottom: 32px;
    }

    .conectamos-btns {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .btn-hablemos {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #4a8bbf 0%, #2d6a9f 100%);
      color: #fff;
      font-size: 0.88rem;
      font-weight: 700;
      padding: 13px 28px;
      border-radius: 9999px;
      text-decoration: none;
      transition: all 0.25s ease;
      box-shadow: 0 4px 18px rgba(62,120,164,0.38);
    }
    .btn-hablemos:hover {
      background: linear-gradient(135deg, #5599cc 0%, #3E78A4 100%);
      transform: translateY(-2px);
      box-shadow: 0 8px 26px rgba(62,120,164,0.5);
    }

    .btn-saber {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      color: #254358;
      font-size: 0.88rem;
      font-weight: 600;
      padding: 13px 28px;
      border-radius: 9999px;
      border: 1.5px solid #c5d3de;
      text-decoration: none;
      transition: all 0.2s;
    }
    .btn-saber:hover { border-color: #3E78A4; color: #3E78A4; }

    /* Platform screenshot */
    .conectamos-mockup {
      border-radius: 14px;
      overflow: hidden;
      box-shadow: 0 6px 28px rgba(0,0,0,0.13);
      max-width: 560px;
      margin: 0 auto;
    }

    .platform-screenshot-img {
      display: block;
      width: 100%;
      height: 400px;
      object-fit: cover;
      object-position: top;
    }

    /* =========================================================
       SECTION: EVENTOS ORGANIZADOS
    ========================================================= */
    .section-eventos {
      padding: 80px 0 80px;
      background: #fff;
    }

    .eventos-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 48px;
      flex-wrap: wrap;
      gap: 16px;
    }

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

    .eventos-icon {
      width: 44px;
      height: 44px;
      background: #eef4f9;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .eventos-icon svg {
      width: 22px;
      height: 22px;
      stroke: #3E78A4;
      fill: none;
      stroke-width: 1.8;
    }

    .eventos-title {
      font-size: 1.4rem;
      font-weight: 800;
      color: #3E78A4;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      margin: 0;
    }

    .btn-conoce-mas {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 24px;
      border: 1.5px solid #c5d3de;
      border-radius: 9999px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #254358;
      background: #fff;
      text-decoration: none;
      transition: all 0.2s;
      white-space: nowrap;
    }
    .btn-conoce-mas:hover { border-color: #3E78A4; color: #3E78A4; }

    /* Two-col layout */
    .eventos-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 32px;
      align-items: start;
    }

    /* Event list */
    .eventos-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .evento-item {
      display: flex;
      align-items: center;
      gap: 16px;
      background: #fff;
      border: 1px solid #e4eaf0;
      border-radius: 14px;
      padding: 18px 20px;
      box-shadow: 0 2px 10px rgba(37,67,88,0.05);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .evento-item:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 32px rgba(37,67,88,0.1);
      border-color: #c0d0dc;
    }

    .evento-date-box {
      background: #f0f5f9;
      border-radius: 10px;
      padding: 10px 14px;
      text-align: center;
      min-width: 58px;
      flex-shrink: 0;
    }

    .evento-date-box .day {
      font-size: 1.3rem;
      font-weight: 800;
      color: #254358;
      line-height: 1;
    }

    .evento-date-box .month {
      font-size: 0.68rem;
      font-weight: 700;
      color: #3E78A4;
      text-transform: uppercase;
      letter-spacing: 0.1em;
    }

    .evento-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #1a2e3d;
      margin-bottom: 3px;
    }

    .evento-info p {
      font-size: 0.72rem;
      font-weight: 700;
      color: #3E78A4;
      text-transform: uppercase;
      letter-spacing: 0.12em;
    }

    .evento-pill {
      display: inline-block;
      font-size: 0.62rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: #e07b00;
      background: rgba(255, 160, 0, 0.1);
      border: 1px solid rgba(255, 160, 0, 0.35);
      border-radius: 9999px;
      padding: 2px 10px;
      margin-bottom: 5px;
    }

    /* Carousel */
    .carousel-wrapper {
      position: relative;
      background: #f0f4f8;
      border-radius: 16px;
      overflow: hidden;
    }

    .carousel-track-outer {
      overflow: hidden;
      border-radius: 16px;
    }

    .carousel-track {
      display: flex;
      transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .carousel-slide {
      min-width: 100%;
      aspect-ratio: 16/10;
      position: relative;
    }

    .carousel-slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* Prev/Next arrows */
    .carousel-btn {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 44px;
      height: 44px;
      background: rgba(255,255,255,0.96);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 20px rgba(0,0,0,0.2);
      transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
      z-index: 10;
      opacity: 0;
    }
    .carousel-wrapper:hover .carousel-btn { opacity: 1; }
    .carousel-btn:hover {
      background: #fff;
      box-shadow: 0 6px 24px rgba(0,0,0,0.25);
      transform: translateY(-50%) scale(1.06);
    }
    .carousel-btn svg { width: 18px; height: 18px; stroke: #254358; fill: none; stroke-width: 2.5; }
    .carousel-btn-prev { left: 14px; }
    .carousel-btn-next { right: 14px; }

    /* Dots — pill style */
    .carousel-dots {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 6px;
      padding: 14px 0 6px;
    }

    .carousel-dot {
      width: 8px;
      height: 8px;
      border-radius: 4px;
      background: #c5d3de;
      border: none;
      cursor: pointer;
      padding: 0;
      transition: width 0.3s ease, background 0.2s;
    }
    .carousel-dot.active {
      width: 26px;
      background: #3E78A4;
    }


    /* =========================================================
       SECTION: CTA CUENTANOS TU IDEA
    ========================================================= */
    .section-cta-idea {
      padding: 40px 0;
      background: #f8f9fb;
    }

    .cta-idea-inner {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      min-height: 300px;
      display: flex;
      align-items: center;
      background: #1a2535;
    }

    .cta-idea-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.42;
    }

    .cta-idea-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to right, rgba(15,26,36,0.55) 45%, rgba(15,26,36,0.08) 100%);
    }

    .cta-idea-content {
      position: relative;
      z-index: 2;
      padding: 56px 64px;
      max-width: 560px;
    }

    .cta-idea-content h2 {
      font-size: clamp(1.6rem, 2.8vw, 2.2rem);
      font-weight: 800;
      color: #fff;
      text-transform: uppercase;
      letter-spacing: 0.02em;
      margin-bottom: 16px;
      line-height: 1.2;
    }

    .cta-idea-content p {
      font-size: 0.95rem;
      color: rgba(255,255,255,0.8);
      line-height: 1.65;
      margin-bottom: 32px;
      max-width: 420px;
    }

    .btn-cita {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #4a8bbf 0%, #2d6a9f 100%);
      color: #fff;
      font-size: 0.9rem;
      font-weight: 700;
      padding: 13px 32px;
      border-radius: 9999px;
      text-decoration: none;
      transition: all 0.25s ease;
      white-space: nowrap;
      box-shadow: 0 4px 18px rgba(62,120,164,0.4);
    }
    .btn-cita:hover {
      background: linear-gradient(135deg, #5599cc 0%, #3E78A4 100%);
      transform: translateY(-2px);
      box-shadow: 0 8px 26px rgba(62,120,164,0.52);
    }

    /* =========================================================
       FOOTER
    ========================================================= */
    .site-footer {
      background: linear-gradient(180deg, #1e3448 0%, #111e2b 100%);
      padding: 56px 0 0;
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 80px;
      padding-bottom: 48px;
      align-items: start;
    }

    .footer-brand-col img {
      height: 72px;
      width: auto;
      display: block;
      margin-bottom: 28px;
    }

    .footer-social {
      display: flex;
      gap: 10px;
    }

    .footer-social a {
      width: 42px;
      height: 42px;
      border: 1.5px solid rgba(255,255,255,0.35);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255,255,255,0.8);
      transition: all 0.2s;
      text-decoration: none;
      flex-shrink: 0;
    }
    .footer-social a:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
    .footer-social svg { width: 16px; height: 16px; fill: currentColor; display: block; }

    .footer-nav-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      align-items: start;
    }

    .footer-nav-col {}

    .footer-nav-heading {
      font-size: 0.88rem;
      font-weight: 700;
      color: #fff;
      margin: 0 0 18px 0;
    }

    .footer-nav-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-nav-col ul li a {
      font-size: 0.88rem;
      color: rgba(255,255,255,0.6);
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer-nav-col ul li a:hover { color: #fff; }

    .footer-divider {
      border: none;
      border-top: 1px solid rgba(255,255,255,0.12);
      margin: 0;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 0;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-copyright {
      font-size: 0.78rem;
      color: rgba(255,255,255,0.4);
      margin: 0;
    }
    .footer-copyright a {
      color: rgba(255,255,255,0.55);
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer-copyright a:hover {
      color: rgba(255,255,255,0.85);
    }

    .footer-legal {
      display: flex;
      align-items: center;
      gap: 0;
      flex-wrap: wrap;
    }

    .footer-legal a {
      font-size: 0.78rem;
      color: rgba(255,255,255,0.4);
      text-decoration: none;
      padding: 0 6px;
      transition: color 0.2s;
    }
    .footer-legal a:hover { color: rgba(255,255,255,0.8); }
    .footer-legal .fsep { color: rgba(255,255,255,0.2); font-size: 0.78rem; }

    /* Responsive */
    @media (max-width: 1440px) {
      .hero h1 { font-size: clamp(1.8rem, 3vw, 3.2rem); }
    }

    /* ── Hamburger button (oculto en desktop) ── */
    .nav-hamburger {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 38px;
      height: 38px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
      flex-shrink: 0;
    }
    .nav-hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: transform 0.25s ease, opacity 0.2s ease;
    }
    .nav-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-hamburger.is-open span:nth-child(2) { opacity: 0; }
    .nav-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    @media (max-width: 1100px) {
      .enfoque-layout { grid-template-columns: 1fr; gap: 40px; }
    }
    @media (max-width: 760px) {
      .problem-cards { grid-template-columns: 1fr; }
    }
    @media (max-width: 900px) {
      .header-inner { flex-wrap: wrap; }
      .problem-layout { grid-template-columns: 1fr; }
    }
    @media (max-width: 640px) {
      .hero { min-height: 100svh; }
      .hero h1 { font-size: 1.9rem; }
      .hero-cta { flex-direction: column; align-items: center; }
      .hero-description { font-size: 0.9rem; }
      .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
    }
  
    /* =========================================================
       RESPONSIVE MOBILE — Complemento de breakpoints existentes
    ========================================================= */

    /* ---- Extensión 640px: layouts principales → 1 columna ---- */
    @media (max-width: 640px) {

      /* Container */
      .container { padding-inline: 20px; }

      /* Header: una sola línea con hamburger */
      .header-inner { flex-wrap: nowrap; height: 60px; }
      .nav-hamburger { display: flex; }
      .site-nav {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: #1a2e3d;
        flex-direction: column;
        padding: 12px 0 20px;
        z-index: 999;
        border-top: 1px solid rgba(255,255,255,0.08);
        box-shadow: 0 8px 24px rgba(0,0,0,0.3);
      }
      .site-nav.open { display: flex; }
      .site-nav a {
        padding: 14px 24px;
        font-size: 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.06);
      }
      .site-nav a:last-child { border-bottom: none; }
      .header-right { gap: 10px; }
      .header-divider { display: none; }
      .logo-img { height: 52px; }
      .btn-register { font-size: 0.72rem; padding: 9px 14px; }

      /* Secciones: reducir padding vertical */
      .section-problem,
      .section-enfoque,
      .section-operamos,
      .section-conectamos,
      .section-eventos { padding: 56px 0; }
      /* Problem quote */
      .problem-quote-box { padding: 28px 22px; }
      .problem-quote-box p { font-size: 0.88rem; }

      /* Operamos — 3 cols → 1 col */
      .operamos-header { flex-direction: column; gap: 16px; margin-bottom: 32px; }
      .operamos-grid { grid-template-columns: 1fr; border-top: none; }
      .operamos-card {
        padding: 24px 0;
        border-right: none;
        border-top: 1px solid #e4eaf0;
      }
      .operamos-card:not(:first-child) { padding-left: 0; }
      .operamos-card:last-child { padding-right: 0; }
      .operamos-card p { max-width: 100%; }

      /* Conectamos — 2 cols → 1 col */
      .conectamos-layout { grid-template-columns: 1fr; gap: 36px; }
      .conectamos-intro { margin-bottom: 40px; }
      .conectamos-btns { flex-direction: column; gap: 10px; }
      .btn-hablemos,
      .btn-saber {
        width: 100%;
        justify-content: center;
        text-align: center;
        box-sizing: border-box;
      }
      .conectamos-mockup { max-width: 100%; }
      .mockup-nav-items { display: none; }

      /* Eventos — 2 cols → 1 col */
      .eventos-layout { grid-template-columns: 1fr; gap: 24px; }
      .eventos-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 28px;
      }

      /* CTA Idea */
      .cta-idea-content { padding: 36px 28px; max-width: 100%; text-align: center; }
      .cta-idea-content h2 { text-align: center; }
      .cta-idea-inner { min-height: 280px; }
      .cta-idea-overlay { background: rgba(15,26,36,0.65); }
      .cta-idea-content p { max-width: 100%; margin-left: auto; margin-right: auto; }
      .btn-cita { display: block; text-align: center; width: fit-content; margin: 0 auto; }

      /* Footer */
      .footer-inner { grid-template-columns: 1fr; gap: 28px; }
      .footer-nav-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
      .footer-legal {
        display: flex;
        flex-wrap: wrap;
        gap: 6px 0;
      }
      .footer-legal .fsep { display: none; }
      .footer-legal a { font-size: 0.75rem; }
      .site-footer { padding: 40px 0 0; }
    }

    /* ---- 480px: ajustes finos para teléfonos pequeños ---- */
    @media (max-width: 480px) {

      /* Container */
      .container { padding-inline: 16px; }

      /* Header */
      .header-inner { height: 56px; }
      .logo-img { height: 44px; }
      .btn-register { font-size: 0.68rem; padding: 8px 12px; }

      /* Hero */
      .hero h1 { font-size: 1.5rem; line-height: 1.25; }
      .hero-description { font-size: 0.82rem; }
      .hero-description br { display: none; }
      .btn-hero { width: 100%; justify-content: center; }
      .hero-cta { gap: 10px; }

      /* Problem */
      .problem-quote-box { padding: 24px 18px; }
      .problem-quote-box p { font-size: 0.85rem; }

      /* Conectamos */
      .conectamos-intro h2 { font-size: 1.7rem; }

      /* Eventos */
      .eventos-title { font-size: 1.1rem; }

      /* CTA */
      .cta-idea-content { padding: 32px 20px; }
      .cta-idea-content h2 { font-size: 1.5rem; }

      /* Footer bottom */
      .footer-bottom { flex-direction: column; align-items: flex-start; gap: 14px; }
      .footer-nav-grid { gap: 16px; }
    }

    /* =========================================================
       SCROLL REVEAL
    ========================================================= */
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.65s ease, transform 0.65s ease;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* =========================================================
       BACK TO TOP BUTTON
    ========================================================= */
    .back-to-top {
      position: fixed;
      bottom: 32px;
      right: 32px;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #3E78A4 0%, #2d6a9f 100%);
      color: #fff;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 20px rgba(62,120,164,0.5);
      z-index: 990;
      opacity: 0;
      transform: translateY(12px);
      transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.2s;
      pointer-events: none;
    }
    .back-to-top.visible {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }
    .back-to-top:hover {
      box-shadow: 0 6px 28px rgba(62,120,164,0.7);
      transform: translateY(-3px);
    }
    .back-to-top svg {
      width: 20px;
      height: 20px;
      stroke: currentColor;
      fill: none;
      stroke-width: 2.5;
      stroke-linecap: round;
      stroke-linejoin: round;
    }
    @media (max-width: 600px) {
      .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
    }