/* =========================================
       RESET & TOKENS
    ========================================= */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --bg-base:       #060b18;
      --bg-surface:    #0d1425;
      --bg-card:       #111827;
      --bg-card-hover: #16213a;
      --border:        rgba(255,255,255,0.07);
      --border-glow:   rgba(0,212,255,0.25);
      --glass-bg:       rgba(255,255,255,0.05);
      --glass-bg-hover: rgba(255,255,255,0.08);
      --glass-border:   rgba(255,255,255,0.1);
      --glass-border-hover: rgba(255,255,255,0.15);

      --accent-primary: #00d4ff;
      --accent-grad:    linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
      --accent-glow:    0 0 30px rgba(0,212,255,0.35);

      --text-primary:   #f1f5f9;
      --text-secondary: #94a3b8;
      --text-muted:     #475569;

      --font:    'Poppins', system-ui, sans-serif;
      --radius:  12px;
      --radius-lg: 20px;
      --transition: 0.25s cubic-bezier(0.4,0,0.2,1);

      --nav-h: 72px;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font);
      background: var(--bg-base);
      color: var(--text-primary);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    img { display: block; max-width: 100%; }
    a { text-decoration: none; color: inherit; }

    /* =========================================
       NAV
    ========================================= */
    .nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      height: var(--nav-h);
      display: flex; align-items: center;
      padding: 0 5%;
      background: rgba(6,11,24,0.75);
      backdrop-filter: blur(20px) saturate(180%);
      border-bottom: 1px solid var(--border);
      transition: background var(--transition), border-color var(--transition);
    }
    .nav.scrolled {
      background: rgba(6,11,24,0.97);
      border-color: rgba(0,212,255,0.12);
    }
    .nav-brand { display:flex; align-items:center; gap:10px; }
    .nav-logo { height: 32px; width: auto; }
    .nav-links {
      display: flex; align-items: center; gap: 6px;
      margin-left: auto; margin-right: 36px;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.875rem; font-weight: 500;
      color: var(--text-secondary);
      padding: 6px 14px; border-radius: 8px;
      transition: color var(--transition), background var(--transition);
    }
    .nav-links a:hover { color: var(--text-primary); background: var(--glass-bg-hover); }
    .nav-links a.active { color: var(--accent-primary); }
    .nav-ctas { display: flex; gap: 10px; align-items: center; }
    .btn { 
      display: inline-flex; align-items: center; gap: 8px;
      padding: 10px 22px; border-radius: 10px;
      font-family: var(--font); font-size: 0.875rem; font-weight: 600;
      cursor: pointer; border: none; transition: all var(--transition);
      white-space: nowrap;
    }
    .btn-ghost {
      background: transparent; color: var(--text-secondary);
      border: 1px solid var(--border);
    }
    .btn-ghost:hover { color: var(--text-primary); border-color: var(--glass-border-hover); background: var(--glass-bg-hover); }
    .btn-primary {
      background: var(--accent-grad); color: #fff;
      box-shadow: 0 4px 18px rgba(0,102,255,0.35);
    }
    .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(0,102,255,0.5); }
    .btn-primary:active { transform: translateY(0); }
    .btn-lg { padding: 14px 32px; font-size: 1rem; border-radius: 12px; }
    .btn-outline { background: transparent; border: 1px solid rgba(0,212,255,0.4); color: var(--accent-primary); }
    .btn-outline:hover { background: rgba(0,212,255,0.08); border-color: var(--accent-primary); }
    .hamburger-btn { display: none; background: none; border: none; cursor: pointer; color: var(--text-primary); font-size: 1.3rem; }

    /* =========================================
       HERO
    ========================================= */
    .hero {
      position: relative;
      min-height: 100vh;
      display: flex; align-items: center; justify-content: center;
      padding: calc(var(--nav-h) + 60px) 5% 80px;
      overflow: hidden;
    }
    .hero-bg {
      position: absolute; inset: 0;
      background-image: url('../assets/hero-bg.png');
      background-size: cover; background-position: center;
      opacity: 0.4;
    }
    .hero-overlay {
      position: absolute; inset: 0;
      background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0,102,255,0.12) 0%, transparent 70%),
                  linear-gradient(to bottom, transparent 60%, var(--bg-base) 100%);
    }
    .hero-content {
      position: relative; z-index: 1;
      max-width: 820px; text-align: center;
    }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(0,212,255,0.08);
      border: 1px solid rgba(0,212,255,0.25);
      color: var(--accent-primary);
      font-size: 0.9rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
      padding: 6px 16px; border-radius: 100px; margin-bottom: 28px;
    }
    .hero-badge span:empty { width:6px; height:6px; border-radius:50%; background: var(--accent-primary); animation: pulse-dot 2s infinite; }
    @keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.4;transform:scale(0.7)} }
    .hero h1 {
      font-size: clamp(2.4rem, 5.5vw, 4.2rem);
      font-weight: 800; line-height: 1.1;
      letter-spacing: -0.03em;
      margin-bottom: 24px;
    }
    .hero h1 .gradient-text {
      background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .hero p {
      font-size: clamp(1rem, 1.8vw, 1.2rem);
      color: var(--text-secondary); max-width: 600px; margin: 0 auto 40px;
    }
    .hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
    .hero-stats {
      display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
      margin-top: 72px;
      padding-top: 48px;
      border-top: 1px solid var(--border);
    }
    .hero-stat { text-align: center; }
    .hero-stat .num {
      font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em;
      background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .hero-stat .label { font-size: 0.78rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; }

    /* =========================================
       TRUSTED LOGOS
    ========================================= */
    .trusted {
      padding: 40px 5%;
      border-bottom: 1px solid var(--border);
    }
    .trusted-label {
      text-align: center; font-size: 0.72rem; letter-spacing: 0.12em;
      text-transform: uppercase; color: var(--text-muted); margin-bottom: 28px;
    }
    .trusted-logos {
      display: flex; justify-content: center; align-items: center;
      gap: 40px; flex-wrap: wrap;
    }
    .trusted-logos .logo-chip {
      padding: 8px 22px; border-radius: 8px;
      border: 1px solid var(--border);
      background: var(--bg-card);
      font-size: 0.8rem; font-weight: 700;
      color: var(--text-muted); letter-spacing: 0.05em;
      transition: all var(--transition);
    }
    .trusted-logos .logo-chip:hover { color: var(--text-secondary); border-color: var(--glass-border-hover); }

    /* =========================================
       SECTIONS BASE
    ========================================= */
    section { padding: 96px 5%; }
    .section-label {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em;
      text-transform: uppercase; color: var(--accent-primary);
      margin-bottom: 18px;
    }
    .section-label::before { content:''; display:inline-block; width:18px; height:2px; background: var(--accent-primary); border-radius:2px; }
    .section-title {
      font-size: clamp(1.8rem, 3.5vw, 2.8rem);
      font-weight: 800; letter-spacing: -0.025em; line-height: 1.15;
      margin-bottom: 16px;
    }
    .section-sub {
      font-size: 1.05rem; color: var(--text-secondary); max-width: 580px;
      margin-bottom: 60px;
    }

    /* =========================================
       PRODUCTS - TABBED
    ========================================= */
    #productos { background: var(--bg-surface); }
    .products-header { max-width: 640px; }
    .products-tabs {
      display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 40px;
    }
    .tab-btn {
      padding: 8px 18px; border-radius: 10px; font-size: 0.85rem; font-weight: 600;
      cursor: pointer; border: 1px solid var(--border);
      background: transparent; color: var(--text-secondary);
      transition: all var(--transition);
      font-family: var(--font);
    }
    .tab-btn.active, .tab-btn:hover {
      background: rgba(0,212,255,0.1); border-color: rgba(0,212,255,0.3);
      color: var(--accent-primary);
    }
    .products-grid {
      display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
    }
    .product-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px;
      transition: all var(--transition);
      cursor: pointer;
      position: relative; overflow: hidden;
    }
    .product-card::before {
      content: ''; position: absolute; inset: 0;
      background: var(--accent-grad); opacity: 0;
      transition: opacity var(--transition);
    }
    .product-card:hover { border-color: var(--border-glow); transform: translateY(-3px); box-shadow: var(--accent-glow); }
    .product-card:hover::before { opacity: 0.04; }
    .product-card * { position: relative; }
    .product-icon {
      width: 44px; height: 44px; border-radius: 10px;
      background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.2);
      display: flex; align-items: center; justify-content: center;
      color: var(--accent-primary); font-size: 1.1rem;
      margin-bottom: 18px;
    }
    .product-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.01em; }
    .product-card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; }
    .product-tag {
      display: inline-block; margin-top: 14px;
      font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
      color: var(--accent-primary); background: rgba(0,212,255,0.1);
      border: 1px solid rgba(0,212,255,0.2);
      padding: 3px 10px; border-radius: 100px;
    }
    .tab-panel { display: none; }
    .tab-panel.active { display: block; }

    /* =========================================
       HOW IT WORKS
    ========================================= */
    #como-funciona { max-width: 1200px; margin: 0 auto; }
    .steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; position: relative; }
    .steps::before {
      content: ''; position: absolute; top: 36px; left: 0; right: 0; height: 1px;
      background: linear-gradient(to right, transparent, var(--border-glow), transparent);
    }
    .step { padding: 0 28px 0 0; }
    .step-num {
      width: 54px; height: 54px; border-radius: 14px;
      background: var(--bg-card); border: 1px solid var(--border-glow);
      display: flex; align-items: center; justify-content: center;
      font-size: 1.1rem; font-weight: 800; color: var(--accent-primary);
      margin-bottom: 24px; position: relative; z-index: 1;
      box-shadow: 0 0 20px rgba(0,212,255,0.15);
    }
    .step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
    .step p { font-size: 0.85rem; color: var(--text-secondary); }

    /* =========================================
       INDUSTRIES
    ========================================= */
    #industrias { background: var(--bg-surface); }
    .industries-grid {
      display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px;
    }
    .industry-card {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      background: var(--bg-card);
      padding: 32px;
      transition: all var(--transition);
      display: flex; flex-direction: column; gap: 16px;
      position: relative; overflow: hidden;
    }
    .industry-card::before {
      content: ''; position: absolute; inset: 0;
      background: var(--accent-grad); opacity: 0;
      transition: opacity var(--transition);
    }
    .industry-card:hover { border-color: var(--border-glow); transform: translateY(-3px); box-shadow: var(--accent-glow); }
    .industry-card:hover::before { opacity: 0.04; }
    .industry-card * { position: relative; }
    .industry-icon {
      font-size: 1.8rem; width: 56px; height: 56px;
      border-radius: 14px; background: rgba(0,212,255,0.08);
      display: flex; align-items: center; justify-content: center;
      border: 1px solid rgba(0,212,255,0.15);
      color: var(--accent-primary);
    }
    .industry-card h3 { font-size: 1.05rem; font-weight: 700; }
    .industry-card p { font-size: 0.85rem; color: var(--text-secondary); flex: 1; }
    .industry-tags { display: flex; gap: 6px; flex-wrap: wrap; }
    .tag {
      font-size: 0.7rem; font-weight: 600; letter-spacing: 0.04em;
      padding: 3px 10px; border-radius: 100px;
      background: var(--glass-bg); border: 1px solid var(--border);
      color: var(--text-secondary);
    }

    /* =========================================
       API SHOWCASE
    ========================================= */
    #desarrolladores > div {
      display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; max-width: 1200px; margin: 0 auto;
    }
    .api-code {
      background: #0d1117;
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      font-size: 0.78rem;
    }
    .code-bar {
      padding: 12px 18px;
      background: var(--glass-bg);
      border-bottom: 1px solid var(--glass-border);
      display: flex; gap: 8px; align-items: center;
    }
    .code-dot { width: 12px; height: 12px; border-radius: 50%; }
    .code-dot.r { background: #ff5f57; }
    .code-dot.y { background: #ffbd2e; }
    .code-dot.g { background: #28c840; }
    .code-label { margin-left: auto; color: var(--text-muted); font-size: 0.72rem; }
    pre {
      padding: 24px; overflow-x: auto;
      line-height: 1.7; color: #e2e8f0;
    }
    .c-key   { color: #79c0ff; }
    .c-str   { color: #a5d6ff; }
    .c-val   { color: #56d364; }
    .c-punc  { color: #8b949e; }
    .c-url   { color: #ff7b72; }
    .c-num   { color: #f78166; }
    .features-list { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
    .feature-item { display: flex; gap: 14px; align-items: flex-start; }
    .feature-icon { 
      flex-shrink: 0; width: 36px; height: 36px; border-radius: 10px;
      background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.2);
      display: flex; align-items: center; justify-content: center;
      color: var(--accent-primary); font-size: 0.9rem;
    }
    .feature-text h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 3px; }
    .feature-text p { font-size: 0.8rem; color: var(--text-secondary); }

    /* =========================================
       METRICS
    ========================================= */
    .metrics {
      padding: 80px 5%;
      background: linear-gradient(135deg, rgba(0,102,255,0.08) 0%, rgba(0,212,255,0.05) 100%);
      border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
    }
    .metrics-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 40px; max-width: 1100px; margin: 0 auto; text-align: center;
    }
    .metric-num {
      font-size: 3.2rem; font-weight: 900; letter-spacing: -0.04em;
      background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
      line-height: 1;
    }
    .metric-label { font-size: 0.82rem; color: var(--text-secondary); margin-top: 8px; }

    /* =========================================
       SECURITY
    ========================================= */
    #seguridad { padding: 96px 5%; }
    .security-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
      margin-top: 48px;
    }
    .security-card {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: var(--radius-lg); padding: 28px;
      transition: all var(--transition);
    }
    .security-card:hover { border-color: var(--border-glow); }
    .security-card .s-icon { font-size: 1.5rem; color: var(--accent-primary); margin-bottom: 14px; }
    .security-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
    .security-card p { font-size: 0.82rem; color: var(--text-secondary); }

    /* =========================================
       CTA SECTION
    ========================================= */
    .cta-section {
      padding: 96px 5%;
      text-align: center;
      background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(0,102,255,0.12) 0%, transparent 70%);
    }
    .cta-section h2 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px; }
    .cta-section p { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 40px; max-width: 520px; margin-left: auto; margin-right: auto; }
    .cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

    /* =========================================
       FOOTER
    ========================================= */
    footer {
      border-top: 1px solid var(--border);
      background: var(--bg-surface);
      padding: 60px 5% 32px;
    }
    .footer-grid {
      display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand p { font-size: 0.83rem; color: var(--text-secondary); margin-top: 14px; max-width: 260px; }
    .footer-logo { height: 28px; width: auto; }
    .footer-col h4 { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 18px; }
    .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .footer-col ul li a { font-size: 0.85rem; color: var(--text-secondary); transition: color var(--transition); }
    .footer-col ul li a:hover { color: var(--text-primary); }
    .footer-bottom {
      border-top: 1px solid var(--border); padding-top: 28px;
      display: flex; justify-content: space-between; align-items: center; flex-wrap: gap;
      font-size: 0.78rem; color: var(--text-muted);
    }
    .footer-social { display: flex; gap: 14px; }
    .footer-social a {
      width: 34px; height: 34px; border-radius: 8px;
      border: 1px solid var(--border); display: flex; align-items: center; justify-content: center;
      color: var(--text-muted); font-size: 0.9rem; transition: all var(--transition);
    }
    .footer-social a:hover { border-color: var(--border-glow); color: var(--accent-primary); }
    .footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
    .footer-links a { color: var(--text-muted); transition: color var(--transition); }
    .footer-links a:hover { color: var(--text-secondary); }

    /* =========================================
       MOBILE NAV
    ========================================= */
    .mobile-menu {
      display: none; position: fixed; inset: 0; top: var(--nav-h);
      background: rgba(6,11,24,0.98); backdrop-filter: blur(20px);
      z-index: 999; flex-direction: column;
      padding: 32px 5%; gap: 6px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a { font-size: 1.1rem; font-weight: 600; color: var(--text-secondary); padding: 14px 0; border-bottom: 1px solid var(--border); transition: color var(--transition); }
    .mobile-menu a:hover { color: var(--text-primary); }
    .mobile-menu .btn { margin-top: 16px; width: 100%; justify-content: center; }

    /* =========================================
       RESPONSIVE
    ========================================= */
    @media (max-width: 900px) {
      .nav-links, .nav-ctas { display: none; }
      .hamburger-btn { display: block; margin-left: auto; }
      #desarrolladores > div { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .security-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 600px) {
      .footer-grid { grid-template-columns: 1fr; }
      .hero-stats { gap: 24px; }
      .step { padding: 0; }
      .steps::before { display: none; }
      .security-grid { grid-template-columns: 1fr; }
    }

    /* =========================================
       LIGHT THEME OVERRIDES
    ========================================= */
    /* Instant theme sync: html-level light-theme for pre-body render */
    html.light-theme {
        --bg: #ffffff;
        --bg-surface: #f8fafc;
        --bg-card: #ffffff;
        --text-primary: #1e293b;
        --text-secondary: #475569;
        --text-muted: #94a3b8;
        --border: rgba(0,0,0,0.1);
        --primary: #0066ff;
        --primary-hover: #0052cc;
    }

    body.light-theme {
      --bg-base: #f8fafc;
      --bg-surface: #ffffff;
      --bg-card: #ffffff;
      --bg-card-hover: #f1f5f9;
      --border: rgba(0,0,0,0.08);
      --border-glow: rgba(0,102,255,0.15);
      --glass-bg:       rgba(0,0,0,0.03);
      --glass-bg-hover: rgba(0,0,0,0.06);
      --glass-border:   rgba(0,0,0,0.08);
      --glass-border-hover: rgba(0,0,0,0.15);
      --text-primary: #0f172a;
      --text-secondary: #334155;
      --text-muted: #64748b;
    }
    body.light-theme .nav { background: rgba(255,255,255,0.85); }
    body.light-theme .nav.scrolled { background: rgba(255,255,255,0.98); border-color: rgba(0,0,0,0.1); }
    body.light-theme .hero-overlay {
      background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0,102,255,0.05) 0%, transparent 70%),
                  linear-gradient(to bottom, transparent 60%, var(--bg-base) 100%);
    }
    body.light-theme .api-code { background: #f8fafc; border-color: rgba(0,0,0,0.1); color: #334155;}
    body.light-theme .code-bar { background: #f1f5f9; border-bottom-color: rgba(0,0,0,0.1); }
    body.light-theme pre { color: #334155; }
    body.light-theme .c-key { color: #0550ae; }
    body.light-theme .c-str { color: #0a3069; }
    body.light-theme .c-val { color: #116329; }
    body.light-theme .c-punc { color: #57606a; }
    body.light-theme .cta-section {
       background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(0,102,255,0.05) 0%, transparent 70%);
    }

    /* Scroll reveal */
    .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .reveal.visible { opacity: 1; transform: none; }
  

  /* GTranslate Hide */
  .skiptranslate iframe,
  .goog-te-banner-frame.skiptranslate { display: none !important; }
  body { top: 0px !important; }
  .goog-text-highlight { background-color: transparent !important; box-shadow: none !important; }