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

    :root {
      --navy: #0f172a;
      --navy-mid: #1e293b;
      --navy-soft: #334155;
      --teal: #14b8a6;
      --teal-light: #2dd4bf;
      --teal-dim: #0d9488;
      --white: #ffffff;
      --off-white: #f8fafc;
      --muted: #94a3b8;
      --border: rgba(148, 163, 184, 0.15);

      --font-display: 'Urbanist', sans-serif;
      --font-body: 'DM Sans', sans-serif;

      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-xl: 32px;

      --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.10);
      --shadow-glow: 0 0 40px rgba(20, 184, 166, 0.18);
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-body);
      background: var(--off-white);
      color: var(--navy);
      line-height: 1.65;
      overflow-x: hidden;
    }

    img {
      display: block;
      max-width: 100%;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    /* ============================================================
       UTILITY
    ============================================================ */
    .container {
      width: 90%;
      max-width: 1160px;
      margin-inline: auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.85rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      border: none;
      cursor: pointer;
      transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn-primary {
      background: var(--teal);
      color: var(--white);
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 16px rgba(20, 184, 166, 0.30);
    }

    .btn-primary:hover {
      background: var(--teal-light);
      box-shadow: 0 6px 24px rgba(20, 184, 166, 0.45);
    }

    .btn-outline {
      background: transparent;
      color: var(--white);
      border: 2px solid rgba(255, 255, 255, 0.40);
      padding: 12px 26px;
      border-radius: var(--radius-sm);
    }

    .btn-outline:hover {
      border-color: var(--teal);
      color: var(--teal);
    }

    .btn-hero {
      background: var(--teal);
      color: var(--white);
      padding: 18px 40px;
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      box-shadow: 0 8px 32px rgba(20, 184, 166, 0.40);
    }

    .btn-hero:hover {
      background: var(--teal-light);
      box-shadow: 0 12px 40px rgba(20, 184, 166, 0.55);
    }

    .btn-cta {
      background: var(--white);
      color: var(--navy);
      padding: 18px 44px;
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
    }

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

    .section-label {
      display: inline-block;
      font-family: var(--font-display);
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--teal);
      padding: 6px 14px;
      border: 1.5px solid rgba(20, 184, 166, 0.35);
      border-radius: 999px;
      margin-bottom: 20px;
    }

    .section-title {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: clamp(1.8rem, 3.5vw, 2.6rem);
      color: var(--navy);
      line-height: 1.2;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--navy-soft);
      max-width: 540px;
      margin-top: 12px;
    }

    /* ============================================================
       HEADER / NAV
    ============================================================ */
    header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(15, 23, 42, 0.97);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
    }

    nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
    }

    /* ── LOGO ── */
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-display);
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--white);
      letter-spacing: -0.03em;
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      background: var(--teal);
      border-radius: 9px;
      display: grid;
      place-items: center;
      font-size: 1rem;
      flex-shrink: 0;
    }

    /* ── si tenés un logo real, reemplazá .logo-icon con:
       <img src="RUTA_A_TU_LOGO.svg" alt="TodoBuy" style="height:36px;" />
    ── */
    .logo span {
      color: var(--teal);
    }

    /* ── MENU ── */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      font-family: var(--font-display);
      font-size: 0.88rem;
      font-weight: 500;
      color: var(--muted);
      letter-spacing: 0.02em;
      transition: color 0.18s;
    }

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

    .nav-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* ── HAMBURGER ── */
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 4px;
    }

    .hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--white);
      border-radius: 2px;
      transition: all 0.25s ease;
    }

    /* ── MOBILE MENU ── */
    .mobile-menu {
      display: none;
      flex-direction: column;
      gap: 4px;
      background: var(--navy-mid);
      border-top: 1px solid var(--border);
      padding: 16px 20px 20px;
    }


    .mobile-menu a {
      font-family: var(--font-display);
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--muted);
      padding: 10px 0;
      border-bottom: 1px solid var(--border);
      transition: color 0.18s;
    }

    .mobile-menu a:last-child {
      border-bottom: none;
    }

    .mobile-menu a:hover {
      color: var(--teal);
    }

    .mobile-menu .btn-primary {
      margin-top: 12px;
      width: 100%;
      justify-content: center;
    }

    /* ============================================================
       HERO
    ============================================================ */
    .hero {
      position: relative;
      background: var(--navy);
      overflow: hidden;
      padding: 110px 0 100px;
    }

    /* Fondo decorativo */
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 60% 55% at 70% 50%, rgba(20, 184, 166, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 20% 20%, rgba(20, 184, 166, 0.07) 0%, transparent 60%);
      pointer-events: none;
    }

    /* Grid dots */
    .hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(148, 163, 184, 0.10) 1px, transparent 1px);
      background-size: 36px 36px;
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      max-width: 680px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(20, 184, 166, 0.12);
      border: 1px solid rgba(20, 184, 166, 0.30);
      border-radius: 999px;
      padding: 6px 16px;
      font-family: var(--font-display);
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      color: var(--teal);
      text-transform: uppercase;
      margin-bottom: 28px;
    }

    .hero-badge::before {
      content: '';
      width: 6px;
      height: 6px;
      background: var(--teal);
      border-radius: 50%;
      animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {

      0%,
      100% {
        opacity: 1;
        transform: scale(1);
      }

      50% {
        opacity: 0.4;
        transform: scale(1.5);
      }
    }

    .hero h1 {
      font-family: var(--font-display);
      font-weight: 900;
      font-size: clamp(2.4rem, 5.5vw, 4rem);
      line-height: 1.08;
      color: var(--white);
      letter-spacing: -0.03em;
      margin-bottom: 24px;
    }

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

    .hero p {
      font-size: 1.1rem;
      color: var(--muted);
      max-width: 520px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      align-items: center;
    }

    .hero-trust {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-top: 56px;
      padding-top: 32px;
      border-top: 1px solid var(--border);
    }

    .trust-dots {
      display: flex;
      gap: -6px;
    }

    .trust-dot {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--teal-dim), var(--teal));
      border: 2px solid var(--navy);
      margin-left: -6px;
      display: grid;
      place-items: center;
      font-size: 0.7rem;
      color: white;
      font-weight: 700;
    }

    .trust-dot:first-child {
      margin-left: 0;
    }

    .trust-text {
      font-size: 0.85rem;
      color: var(--muted);
    }

    .trust-text strong {
      color: var(--white);
    }

    /* ============================================================
       VALORES
    ============================================================ */
    .valores {
      padding: 96px 0;
      background: var(--off-white);
    }

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

    .valores-header .section-subtitle {
      margin-inline: auto;
      text-align: center;
    }

    .valores-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .valor-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 40px 32px;
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
      position: relative;
      overflow: hidden;
    }

    .valor-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--teal), var(--teal-light));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.28s ease;
    }

    .valor-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-card);
      border-color: rgba(20, 184, 166, 0.25);
    }

    .valor-card:hover::before {
      transform: scaleX(1);
    }

    .valor-icon {
      width: 56px;
      height: 56px;
      background: linear-gradient(135deg, rgba(20, 184, 166, 0.12), rgba(20, 184, 166, 0.06));
      border: 1px solid rgba(20, 184, 166, 0.20);
      border-radius: var(--radius-md);
      display: grid;
      place-items: center;
      margin-bottom: 24px;
      font-size: 1.5rem;
    }

    .valor-card h3 {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 1.15rem;
      color: var(--navy);
      margin-bottom: 10px;
    }

    .valor-card p {
      font-size: 0.92rem;
      color: var(--navy-soft);
      line-height: 1.7;
    }

    /* ============================================================
       CATEGORÍAS
    ============================================================ */
    .categorias {
      padding: 96px 0;
      background: var(--navy);
      position: relative;
      overflow: hidden;
    }

    .categorias::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px);
      background-size: 36px 36px;
      pointer-events: none;
    }

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

    .categorias-header .section-title {
      color: var(--white);
    }

    .categorias-header .section-subtitle {
      color: var(--muted);
      margin-inline: auto;
      text-align: center;
    }

    .cat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
      z-index: 2;
    }

    .cat-card {
      background: var(--navy-mid);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      cursor: pointer;
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
      position: relative;
      overflow: hidden;
    }

    .cat-card::after {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 80% 70% at 50% 110%, rgba(20, 184, 166, 0.10) 0%, transparent 70%);
      opacity: 0;
      transition: opacity 0.28s ease;
    }

    .cat-card:hover {
      transform: translateY(-6px);
      border-color: rgba(20, 184, 166, 0.35);
      box-shadow: 0 8px 32px rgba(20, 184, 166, 0.15);
    }

    .cat-card:hover::after {
      opacity: 1;
    }

    .cat-icon {
      width: 60px;
      height: 60px;
      background: rgba(20, 184, 166, 0.12);
      border: 1px solid rgba(20, 184, 166, 0.22);
      border-radius: var(--radius-md);
      display: grid;
      place-items: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
    }

    .cat-card h3 {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 1rem;
      color: var(--white);
      margin-bottom: 8px;
      line-height: 1.3;
    }

    .cat-card p {
      font-size: 0.84rem;
      color: var(--muted);
      line-height: 1.6;
    }

    .cat-arrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 20px;
      font-family: var(--font-display);
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--teal);
      transition: gap 0.18s ease;
    }

    .cat-card:hover .cat-arrow {
      gap: 10px;
    }

    /* ============================================================
       RECURSOS
    ============================================================ */
    .recursos {
      padding: 96px 0;
      background: var(--off-white);
    }

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

    .recursos-text .section-subtitle {
      max-width: 440px;
    }

    .recursos-features {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 32px;
    }

    .feature-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 18px 20px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      transition: border-color 0.18s, box-shadow 0.18s;
    }

    .feature-item:hover {
      border-color: rgba(20, 184, 166, 0.30);
      box-shadow: var(--shadow-card);
    }

    .feature-icon {
      width: 40px;
      height: 40px;
      flex-shrink: 0;
      background: rgba(20, 184, 166, 0.10);
      border-radius: var(--radius-sm);
      display: grid;
      place-items: center;
      font-size: 1.1rem;
    }

    .feature-info h4 {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.92rem;
      color: var(--navy);
      margin-bottom: 3px;
    }

    .feature-info p {
      font-size: 0.82rem;
      color: var(--navy-soft);
    }

    .coming-soon {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--teal);
      background: rgba(20, 184, 166, 0.10);
      border: 1px solid rgba(20, 184, 166, 0.20);
      border-radius: 999px;
      padding: 3px 10px;
      margin-top: 4px;
    }

    /* Panel visual derecho */
    .recursos-visual {
      background: var(--navy);
      border-radius: var(--radius-xl);
      padding: 48px 40px;
      position: relative;
      overflow: hidden;
      min-height: 380px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .recursos-visual::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 60% 50% at 80% 20%, rgba(20, 184, 166, 0.15) 0%, transparent 60%);
      pointer-events: none;
    }

    .recursos-visual-label {
      font-family: var(--font-display);
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--teal);
      margin-bottom: 16px;
    }

    .recursos-visual h3 {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: 1.4rem;
      color: var(--white);
      line-height: 1.25;
      margin-bottom: 8px;
    }

    .recursos-visual p {
      font-size: 0.9rem;
      color: var(--muted);
    }

    .recursos-placeholder {
      background: rgba(255, 255, 255, 0.04);
      border: 1.5px dashed rgba(20, 184, 166, 0.30);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      margin-top: 28px;
      text-align: center;
    }

    .recursos-placeholder p {
      font-family: var(--font-display);
      font-size: 0.82rem;
      color: var(--muted);
      line-height: 1.6;
    }

    .recursos-placeholder p strong {
      color: var(--teal);
      font-weight: 700;
    }

    /* ── IMAGEN OPCIONAL ──
       Si querés poner una imagen en el bloque de recursos, 
       reemplazá .recursos-visual con:
       <div class="recursos-visual">
         <img src="RUTA_A_TU_IMAGEN.jpg" alt="Recursos TodoBuy" style="border-radius:16px; width:100%; height:100%; object-fit:cover;" />
       </div>
    ── */

    /* ============================================================
       CTA FINAL
    ============================================================ */
    .cta-banner {
      padding: 96px 0;
      background: var(--teal-dim);
      position: relative;
      overflow: hidden;
      text-align: center;
    }

    .cta-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 50% 80% at 10% 50%, rgba(15, 23, 42, 0.30) 0%, transparent 60%),
        radial-gradient(ellipse 50% 80% at 90% 50%, rgba(15, 23, 42, 0.30) 0%, transparent 60%);
      pointer-events: none;
    }

    .cta-banner-inner {
      position: relative;
      z-index: 2;
    }

    .cta-banner h2 {
      font-family: var(--font-display);
      font-weight: 900;
      font-size: clamp(1.8rem, 4vw, 3rem);
      color: var(--white);
      letter-spacing: -0.03em;
      line-height: 1.15;
      margin-bottom: 16px;
    }

    .cta-banner p {
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.80);
      max-width: 480px;
      margin: 0 auto 40px;
    }

    /* ============================================================
       FOOTER
    ============================================================ */
    footer {
      background: var(--navy);
      border-top: 1px solid var(--border);
      padding: 56px 0 32px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-brand .logo {
      font-size: 1.3rem;
      margin-bottom: 14px;
    }

    .footer-brand p {
      font-size: 0.85rem;
      color: var(--muted);
      line-height: 1.7;
      max-width: 240px;
    }

    .footer-col h4 {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.78rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col a {
      font-size: 0.88rem;
      color: rgba(148, 163, 184, 0.70);
      transition: color 0.18s;
    }

    .footer-col a:hover {
      color: var(--teal);
    }

    .footer-bottom {
      border-top: 1px solid var(--border);
      padding-top: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom p {
      font-size: 0.82rem;
      color: var(--muted);
    }

    .footer-bottom a {
      color: var(--teal);
      transition: opacity 0.18s;
    }

    .footer-bottom a:hover {
      opacity: 0.75;
    }

    /* ============================================================
       FADE-IN ANIMATION
    ============================================================ */
    .fade-in {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.65s ease, transform 0.65s ease;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ============================================================
       RESPONSIVE
    ============================================================ */
    @media (max-width: 1024px) {
      .cat-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {

      .nav-links {
  display: none; /* Ocultamos los links normales de escritorio */
}

.nav-btn-responsive {
  padding: 8px 12px; /* Ahora sí se achica el contenedor en mobile */
  font-size: 1.1rem;  
}

.nav-btn-responsive span {
  display: none; /* Ahora sí se esconde el texto "Comprar en Mercado Libre" */
}

.mobile-menu.open {
    display: flex;
  }

      .hamburger {
        display: flex;
      }

      .hero {
        padding: 80px 0 72px;
      }

      .valores-grid {
        grid-template-columns: 1fr;
      }

      .cat-grid {
        grid-template-columns: 1fr;
      }

      .recursos-inner {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .recursos-visual {
        min-height: 280px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      .hero-actions {
        flex-direction: column;
      }

      .hero-actions .btn {
        width: 100%;
        justify-content: center;
      }

      .hero-trust {
        flex-direction: column;
        text-align: center;
      }
    }