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

    :root {
      --paper:  #f6f5f2;
      --white:  #ffffff;
      --ink:    #141821;
      --muted:  #6b7280;
      --gold:   #c99a00;
      --gold2:  #a67c00;
      --border: #e8e6e1;
      --tint:   #fbf6e7;
      --shadow: 0 14px 38px rgba(20,24,33,0.10);
      --shadow-lg: 0 24px 60px rgba(20,24,33,0.16);
    }

    html { scroll-behavior: smooth; }

    body {
      background:
        radial-gradient(1000px 700px at 90% -10%, rgba(201,154,0,0.07), transparent 55%),
        radial-gradient(900px 600px at -10% 40%, rgba(20,24,33,0.04), transparent 55%),
        var(--paper);
      color: var(--ink);
      font-family: 'DM Sans', sans-serif;
      font-weight: 400;
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* ── LANG BAR ── */
    #lang-bar {
      position: fixed;
      top: 0; left: 0; right: 50px;
      z-index: 1000;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 0.35rem;
      padding: 0.3rem 1rem;
      background: rgba(255,255,255,0.95);
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(12px);
    }

    .lang-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      padding: 0.22rem 0.65rem;
      border-radius: 100px;
      border: 1px solid transparent;
      background: transparent;
      color: var(--muted);
      font-family: 'DM Sans', sans-serif;
      font-size: 0.75rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s;
      letter-spacing: 0.04em;
    }

    .lang-btn:hover {
      color: var(--ink);
      border-color: var(--border);
      background: var(--tint);
    }

    .lang-btn.active {
      background: var(--tint);
      border-color: var(--gold);
      color: var(--gold2);
      font-weight: 600;
    }

    /* ── NAV ── */
    nav {
      position: fixed;
      top: 32px; left: 0; right: 0;
      z-index: 900;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 2.5rem;
      background: rgba(246,245,242,0.82);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid transparent;
      transition: background 0.3s, border-color 0.3s, box-shadow 0.3s, padding 0.3s;
    }

    nav.scrolled {
      background: rgba(255,255,255,0.96);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 10px 30px rgba(20,24,33,0.07);
      padding: 0.7rem 2.5rem;
    }

    .nav-logo {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 1.2rem;
      color: var(--ink);
      text-decoration: none;
      letter-spacing: -0.02em;
    }

    .nav-logo span { color: var(--gold2); }
    .nav-links { display: flex; gap: 2rem; list-style: none; }

    .nav-links a {
      color: var(--muted);
      text-decoration: none;
      font-size: 0.88rem;
      font-weight: 500;
      transition: color 0.2s;
    }

    .nav-links a:hover { color: var(--ink); }

    .nav-cta {
      background: var(--ink) !important;
      color: var(--white) !important;
      padding: 0.45rem 1.2rem;
      border-radius: 100px;
      font-weight: 600 !important;
      transition: transform 0.2s, box-shadow 0.2s !important;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      color: var(--white) !important;
    }

    /* ── HERO ── */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 4rem;
      padding: 9rem 2.5rem 5rem;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      width: 600px; height: 600px;
      background: radial-gradient(circle, rgba(201,154,0,0.10) 0%, transparent 65%);
      top: 5%; right: -80px;
      pointer-events: none;
    }

    .hero::after {
      content: '';
      position: absolute;
      width: 500px; height: 500px;
      background: radial-gradient(circle, rgba(20,24,33,0.06) 0%, transparent 65%);
      bottom: -10%; left: -60px;
      pointer-events: none;
    }

    .hero-content { position: relative; z-index: 2; max-width: 620px; flex: 1 1 50%; }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: var(--tint);
      border: 1px solid rgba(201,154,0,0.35);
      color: var(--gold2);
      font-size: 0.75rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      font-weight: 600;
      padding: 0.35rem 0.95rem;
      border-radius: 100px;
      margin-bottom: 2rem;
      animation: fadeUp 0.7s ease both;
    }

    .hero h1 {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: clamp(2.8rem, 6.5vw, 5.6rem);
      line-height: 1.02;
      letter-spacing: -0.035em;
      animation: fadeUp 0.7s ease 0.1s both;
    }

    .hero h1 em { font-style: normal; color: var(--gold2); }

    .hero-sub {
      font-size: 1.05rem;
      color: var(--muted);
      line-height: 1.7;
      margin-top: 1.5rem;
      max-width: 460px;
      animation: fadeUp 0.7s ease 0.2s both;
    }

    .hero-actions {
      display: flex;
      gap: 1rem;
      margin-top: 2.5rem;
      animation: fadeUp 0.7s ease 0.3s both;
      flex-wrap: wrap;
    }

    .btn-primary {
      background: var(--ink);
      color: var(--white);
      padding: 0.85rem 1.8rem;
      font-family: 'DM Sans', sans-serif;
      font-weight: 600;
      font-size: 0.95rem;
      border: none;
      border-radius: 100px;
      cursor: pointer;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      box-shadow: var(--shadow);
      transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    }

    .btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); background: #000; }

    .btn-secondary {
      background: transparent;
      color: var(--ink);
      padding: 0.85rem 1.8rem;
      font-family: 'DM Sans', sans-serif;
      font-weight: 500;
      font-size: 0.95rem;
      border: 1px solid var(--border);
      border-radius: 100px;
      cursor: pointer;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: border-color 0.2s, background 0.2s;
    }

    .btn-secondary:hover {
      border-color: var(--ink);
      background: rgba(20,24,33,0.04);
    }

    .hero-stats {
      display: flex;
      gap: 2.5rem;
      margin-top: 3.5rem;
      animation: fadeUp 0.7s ease 0.4s both;
    }

    .stat-num {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 1.8rem;
      color: var(--gold2);
      line-height: 1;
    }

    .stat-label { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }

    /* HERO VISUAL — mockup browser */
    .hero-visual {
      flex: 1 1 45%;
      min-width: 0;
      position: relative;
      z-index: 2;
      animation: fadeUp 0.8s ease 0.25s both;
    }

    .mockup-screen.iframe {
      display: block;
      width: 100%;
      aspect-ratio: 1 / 1;
      margin: 0 auto;
      border: 0;
      border-radius: 14px;
      background: #FFF9EE;
      box-shadow: var(--shadow-lg);
      pointer-events: auto;
    }

    /* MARQUEE */
    .marquee-wrap {
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      overflow: hidden;
      padding: 0.9rem 0;
      background: var(--white);
      position: relative;
      z-index: 2;
    }

    .marquee-track { display: flex; animation: marquee 22s linear infinite; white-space: nowrap; }

    .marquee-item {
      display: inline-flex;
      align-items: center;
      gap: 1.2rem;
      padding: 0 2rem;
      font-size: 0.78rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .marquee-dot { width: 5px; height: 5px; background: var(--gold); border-radius: 50%; flex-shrink: 0; }

    /* SECTIONS */
    section { padding: 7rem 2.5rem; position: relative; z-index: 2; }

    .section-tag {
      font-size: 0.72rem;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--gold2);
      font-weight: 600;
      margin-bottom: 0.9rem;
      display: block;
    }

    .section-title {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: clamp(1.8rem, 3.5vw, 2.8rem);
      line-height: 1.08;
      letter-spacing: -0.03em;
      padding-bottom: 1rem;
      position: relative;
    }

    .section-title::after {
      content: '';
      position: absolute;
      left: 0; bottom: 0;
      width: 60px; height: 3px;
      border-radius: 3px;
      background: linear-gradient(90deg, var(--gold), transparent);
    }

    .section-title em { font-style: normal; color: var(--gold2); }

    /* SERVICIOS */
    #servicios { max-width: 1200px; margin: 0 auto; }

    .services-header {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: end;
      margin-bottom: 3.5rem;
    }

    .services-desc { color: var(--muted); font-size: 1rem; line-height: 1.7; }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.4rem;
    }

    .service-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 2rem;
      transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--gold), transparent);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .service-card:hover {
      border-color: rgba(201,154,0,0.4);
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }
    .service-card:hover::before { opacity: 1; }

    .service-icon {
      font-size: 1.6rem;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 52px; height: 52px;
      border-radius: 14px;
      background: var(--tint);
      border: 1px solid rgba(201,154,0,0.25);
    }

    .service-card h3 {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 1.05rem;
      margin-bottom: 0.5rem;
    }

    .service-card p { font-size: 0.87rem; color: var(--muted); line-height: 1.6; }

    .service-card .service-link {
      display: inline-block;
      margin-top: 0.9rem;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--gold2);
      text-decoration: none;
      border-bottom: 1px solid rgba(201,154,0,0.4);
      padding-bottom: 0.1rem;
      transition: color 0.3s, border-color 0.3s;
    }
    .service-card .service-link:hover { color: var(--ink); border-color: var(--ink); }

    .stag {
      display: inline-block;
      font-size: 0.67rem;
      letter-spacing: 0.09em;
      text-transform: uppercase;
      padding: 0.22rem 0.6rem;
      border-radius: 100px;
      margin-top: 1.1rem;
      font-weight: 600;
    }

    .stag-biz { background: var(--tint); color: var(--gold2); }

    /* PROCESO */
    #proceso {
      background: var(--white);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .proceso-inner { max-width: 1200px; margin: 0 auto; }

    .proceso-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 0;
      margin-top: 3.5rem;
      position: relative;
    }

    .proceso-steps::before {
      content: '';
      position: absolute;
      top: 20px;
      left: 12.5%;
      right: 12.5%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(201,154,0,0.45), transparent);
    }

    .paso { padding: 0 1.5rem; text-align: center; }

    .paso-circle {
      width: 42px; height: 42px;
      background: var(--gold);
      color: var(--white);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 0.85rem;
      margin: 0 auto 1.2rem;
      position: relative;
      z-index: 1;
      box-shadow: 0 8px 18px rgba(201,154,0,0.3);
    }

    .paso h4 { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1rem; margin-bottom: 0.5rem; }
    .paso p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

    /* EJEMPLOS + DEMOS */
    #demos { max-width: 1200px; margin: 0 auto; }
    #ejemplos { max-width: 1200px; margin: 0 auto; }

    .ejemplos-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.4rem;
      margin-top: 3rem;
    }

    .ejemplo-card {
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 1rem;
      text-decoration: none;
      color: inherit;
      display: block;
      background: var(--white);
      transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    }

    .ejemplo-card:hover {
      border-color: rgba(201,154,0,0.45);
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }

    .ejemplo-preview {
      width: 100%;
      height: 118px;
      border-radius: 8px;
      overflow: hidden;
      margin-bottom: 0.9rem;
      border: 1px solid var(--border);
      position: relative;
      background: var(--paper);
    }

    .ejemplo-preview-bar {
      background: #f2f1ed;
      padding: 5px 9px;
      display: flex;
      align-items: center;
      gap: 4px;
      border-bottom: 1px solid var(--border);
    }

    .ejemplo-preview-dot { width: 6px; height: 6px; border-radius: 50%; }
    .dot-r { background: #ff5f57; }
    .dot-y { background: #febc2e; }
    .dot-g { background: #28c840; }

    .ejemplo-preview-url {
      flex: 1;
      background: rgba(20,24,33,0.05);
      border-radius: 3px;
      height: 12px;
      margin-left: 5px;
      font-size: 0.5rem;
      color: var(--muted);
      display: flex;
      align-items: center;
      padding: 0 5px;
      overflow: hidden;
      white-space: nowrap;
    }

    .ejemplo-preview-iframe-wrap {
      width: 100%;
      height: 104px;
      overflow: hidden;
      position: relative;
      pointer-events: none;
    }

    .ejemplo-sector {
      font-size: 0.7rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--gold2);
      font-weight: 600;
      margin-bottom: 0.4rem;
    }

    .ejemplo-card h3 { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1rem; margin-bottom: 0.5rem; }
    .ejemplo-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

    .ejemplo-link {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      font-size: 0.82rem;
      color: var(--gold2);
      margin-top: 1.2rem;
      font-weight: 600;
    }

    /* PRECIOS */
    #precios { background: var(--white); border-top: 1px solid var(--border); }
    .precios-inner { max-width: 1100px; margin: 0 auto; }

    .precios-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
      padding: 1rem;
      width: 100%;
      box-sizing: border-box;
    }

    .precio-card {
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
      position: relative;
      background: var(--paper);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 2.2rem 2rem;
      transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    }

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

    .precio-card.featured {
      border-color: var(--gold);
      background: linear-gradient(180deg, var(--tint), rgba(251,246,231,0.4));
      box-shadow: 0 20px 50px rgba(201,154,0,0.14);
    }

    .featured-badge {
      display: block;
      width: fit-content;
      margin: 0 auto 0.9rem;
      background: var(--tint);
      border: 1px solid var(--gold);
      color: var(--gold2);
      font-size: 0.6rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 0.15rem 0.65rem;
      border-radius: 999px;
      white-space: nowrap;
    }

    .precio-name { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.1rem; margin-bottom: 0.3rem; }
    .precio-desc { font-size: 0.82rem; color: var(--muted); margin-bottom: 1.5rem; }

    .precio-amount {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 2.6rem;
      letter-spacing: -0.03em;
      color: var(--gold2);
      line-height: 1;
    }

    .amount-old {
      font-size: 1.2rem;
      color: var(--muted);
      text-decoration: line-through;
      opacity: 0.7;
      margin-right: 0.3rem;
      vertical-align: middle;
    }

    .precio-period { font-size: 0.8rem; color: var(--muted); margin: 0.3rem 0 1.8rem; }

    .precio-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.65rem;
      margin-bottom: 2rem;
    }

    .precio-features li {
      font-size: 0.87rem;
      color: #3d4451;
      display: flex;
      align-items: flex-start;
      gap: 0.6rem;
      line-height: 1.4;
    }

    .precio-features li::before { content: '✓'; color: var(--gold); flex-shrink: 0; font-size: 0.8rem; margin-top: 0.1rem; font-weight: 700; }

    .prices-note {
      max-width: 760px;
      margin: 1.2rem auto 0;
      text-align: center;
      font-size: 0.78rem;
      color: var(--muted);
      line-height: 1.5;
    }

    /* CTA */
    #contacto {
      text-align: center;
      padding: 9rem 2.5rem;
      position: relative;
      overflow: hidden;
      background: var(--ink);
      color: var(--white);
    }

    #contacto::before {
      content: '';
      position: absolute;
      width: 800px; height: 800px;
      background: radial-gradient(circle, rgba(201,154,0,0.16) 0%, transparent 65%);
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      pointer-events: none;
    }

    #contacto::after {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: radial-gradient(circle at center, black 30%, transparent 75%);
      pointer-events: none;
    }

    .cta-inner { position: relative; z-index: 2; max-width: 650px; margin: 0 auto; }

    #contacto h2 {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: clamp(2.2rem, 5vw, 3.8rem);
      letter-spacing: -0.03em;
      line-height: 1.05;
      margin-bottom: 1rem;
      color: var(--white);
    }

    #contacto h2 em { font-style: normal; color: var(--gold); }
    #contacto p { font-size: 1rem; color: rgba(240,241,245,0.72); line-height: 1.7; margin-bottom: 2.5rem; }

    .cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

    #contacto .btn-primary { background: var(--gold); color: var(--ink); }
    #contacto .btn-primary:hover { background: var(--gold2); color: var(--white); }
    #contacto .btn-secondary { color: var(--white); border-color: rgba(255,255,255,0.3); }
    #contacto .btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

    /* FOOTER */
    footer {
      border-top: 1px solid var(--border);
      padding: 2.5rem 2.5rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      position: relative;
      z-index: 2;
      background: var(--white);
    }

    footer p { font-size: 0.82rem; color: var(--muted); }
    .footer-links { display: flex; gap: 1.5rem; }

    .footer-links a {
      font-size: 0.82rem;
      color: var(--muted);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.2s;
    }

    .footer-links a:hover { color: var(--gold2); }

    /* SCROLL REVEAL */
    .reveal {
      opacity: 0;
      transform: translateY(26px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .reveal.revealed { opacity: 1; transform: translateY(0); }

    /* stagger de cards */
    .services-grid > *:nth-child(2) { transition-delay: 0.08s; }
    .services-grid > *:nth-child(3) { transition-delay: 0.16s; }
    .ejemplos-grid > *:nth-child(2) { transition-delay: 0.08s; }
    .ejemplos-grid > *:nth-child(3) { transition-delay: 0.16s; }
    .precios-grid > *:nth-child(2) { transition-delay: 0.08s; }
    .precios-grid > *:nth-child(3) { transition-delay: 0.16s; }
    .proceso-steps > *:nth-child(2) { transition-delay: 0.08s; }
    .proceso-steps > *:nth-child(3) { transition-delay: 0.16s; }
    .proceso-steps > *:nth-child(4) { transition-delay: 0.24s; }

    /* ANIMATIONS */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    @keyframes marquee {
      from { transform: translateX(0); }
      to   { transform: translateX(-50%); }
    }

    /* RESPONSIVE */
    @media (max-width: 900px) {
      nav { top: 32px; }
      nav.scrolled { padding: 0.7rem 1.2rem; }
      .services-header { grid-template-columns: 1fr; gap: 1rem; }
      .services-grid { grid-template-columns: 1fr 1fr; }
      .proceso-steps { grid-template-columns: 1fr 1fr; }
      .proceso-steps::before { display: none; }
      .ejemplos-grid { grid-template-columns: 1fr 1fr; }
      .precios-grid { grid-template-columns: 1fr; max-width: 380px; }
      .nav-links { display: none; }
      .hero { flex-direction: column; gap: 3rem; padding-top: 8rem; }
      .hero-content { max-width: 100%; }
      .hero-visual { width: 100%; }
      .mockup-screen.iframe { max-height: none; width: 100%; }
    }

    @media (max-width: 600px) {
      #lang-bar { gap: 0.2rem; padding: 0.3rem 0.5rem; }
      .lang-btn { padding: 0.18rem 0.45rem; font-size: 0.7rem; }
      nav { padding: 1rem 1.2rem; }
      section { padding: 4.5rem 1.2rem; }
      .hero { padding: 8rem 1.2rem 4rem; }
      .services-grid { grid-template-columns: 1fr; }
      .ejemplos-grid { grid-template-columns: 1fr; }
      .proceso-steps { grid-template-columns: 1fr; }
      footer { flex-direction: column; align-items: flex-start; }
      .mockup-screen.iframe { width: 100%; }
    }