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

    :root {
      --bg-primary: #0a0c12;
      --bg-secondary: #11141f;
      --bg-card: #181e2b;
      --text-primary: #f0f4ff;
      --text-secondary: rgba(255,255,255,0.7);
      --text-muted: rgba(255,255,255,0.4);
      --accent-1: #ff6b6b;
      --accent-2: #feca57;
      --accent-3: #48dbfb;
      --gradient-hero: linear-gradient(135deg, #ff6b6b, #feca57, #48dbfb);
      --gradient-btn: linear-gradient(135deg, #ff6b6b, #ee5a24);
      --shadow-card: 0 20px 50px -12px rgba(0,0,0,0.7);
      --radius: 24px;
    }

    html { scroll-behavior: smooth; }
    body {
      font-family: 'Inter', system-ui, sans-serif;
      background: var(--bg-primary);
      color: var(--text-primary);
      overflow-x: hidden;
      line-height: 1.6;
    }
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--bg-primary); }
    ::-webkit-scrollbar-thumb { background: var(--accent-1); border-radius: 10px; }

    a { text-decoration: none; color: inherit; }
    img { display: block; max-width: 100%; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 5%; }

    .btn {
      display: inline-block;
      padding: 14px 38px;
      border-radius: 15px;
      font-weight: 600;
      font-size: 0.95rem;
      background: var(--gradient-btn);
      color: #fff;
      box-shadow: 0 8px 30px rgba(255,107,107,0.25);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: none;
      cursor: pointer;
      letter-spacing: 0.3px;
    }
    .btn:hover {
      transform: translateY(-4px) scale(1.03);
      box-shadow: 0 15px 45px rgba(255,107,107,0.4);
    }
    .btn-outline {
      background: transparent;
      box-shadow: none;
      border: 1.5px solid rgba(255,255,255,0.25);
    }
    .btn-outline:hover {
      background: rgba(255,255,255,0.06);
      box-shadow: none;
      transform: translateY(-4px);
    }
    .btn-whatsapp {
      background: #127034;
      box-shadow: 0 8px 30px rgba(37,211,102,0.25);
      color: #ffffff;
    }
    .btn-whatsapp:hover {
      background: #1b6438;
      box-shadow: 0 15px 45px rgba(37,211,102,0.4);
      color: #ffffff;
    }

    /* ───────────── BOTÓN FLOTANTE WHATSAPP ───────────── */
    .whatsapp-float {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 999;
      background: #25d366;
      color: #fff;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2.2rem;
      box-shadow: 0 6px 30px rgba(37,211,102,0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      animation: pulse-wa 2.5s infinite;
    }
    .whatsapp-float:hover {
      transform: scale(1.1);
      box-shadow: 0 10px 40px rgba(37,211,102,0.6);
      animation: none;
    }
    @keyframes pulse-wa {
      0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
      70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
      100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
    }

    /* ───────────── NAV ───────────── */
    nav {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      padding: 16px 5%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: rgba(10,12,18,0.8);
      backdrop-filter: blur(16px) saturate(180%);
      -webkit-backdrop-filter: blur(16px) saturate(180%);
      z-index: 1000;
      border-bottom: 1px solid rgba(255,255,255,0.04);
      transition: background 0.3s;
    }
    nav .logo-img {
      height: 50px;
      width: auto;
      transition: transform 0.3s ease, filter 0.3s ease;
    }
    nav a:hover .logo-img {
      transform: scale(1.05);
      filter: drop-shadow(0 0 10px rgba(255,107,107,0.4));
    }
    nav ul {
      display: flex;
      gap: 32px;
      list-style: none;
      align-items: center;
    }
    nav ul li a {
      font-weight: 500;
      font-size: 0.9rem;
      color: var(--text-secondary);
      transition: color 0.3s;
      position: relative;
      padding: 4px 0;
    }
    nav ul li a::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent-1);
      transition: width 0.35s cubic-bezier(0.23, 1, 0.32, 1);
    }
    nav ul li a:hover { color: #fff; }
    nav ul li a:hover::after { width: 100%; }
    .menu-toggle {
      display: none;
      font-size: 1.6rem;
      color: #fff;
      cursor: pointer;
      background: none;
      border: none;
    }

    /* ───────────── HERO ───────────── */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      background: var(--bg-primary);
      padding-top: 80px;
    }
    
    .hero-bg {
      position: absolute;
      inset: 0;
      z-index: 0;
      background:
        radial-gradient(ellipse at 30% 50%, rgba(255,107,107,0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 70% 50%, rgba(72,219,251,0.10) 0%, transparent 55%);
      animation: heroBgShift 20s ease-in-out infinite alternate;
    }
    @keyframes heroBgShift {
      0% { transform: scale(1) rotate(0deg); }
      100% { transform: scale(1.05) rotate(2deg); }
    }

    .hero-container {
      position: relative;
      z-index: 10; /* Asegura que el texto esté siempre al frente */
      width: 100%;
      display: flex;
      align-items: center;
    }

    /* Columna de texto a la izquierda */
    .hero-text {
      width: 45%; /* Ocupa menos de la mitad */
      padding-right: 20px;
      text-align: left;
    }
    .hero-badge {
      display: inline-block;
      padding: 7px 22px;
      border-radius: 50px;
      background: rgba(255,107,107,0.14);
      border: 1px solid rgba(255,107,107,0.25);
      color: var(--accent-1);
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 24px;
      animation: badgePulse 3s infinite ease-in-out;
    }
    @keyframes badgePulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.04); background: rgba(255,107,107,0.22); }
    }

    .hero-title {
      font-size: clamp(2.1rem, 4vw, 3.4rem);
      font-weight: 900;
      line-height: 1.12;
      letter-spacing: -0.03em;
      margin-bottom: 24px;
    }
    .hero-title .line {
      display: block;
      animation: fadeUpLine 0.9s cubic-bezier(0.23, 1, 0.32, 1) 0.2s backwards;
    }
    .hero-title .line:nth-child(2) { animation-delay: 0.45s; }
    @keyframes fadeUpLine {
      from { opacity: 0; transform: translateY(28px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .hero-title .highlight {
      background: var(--gradient-hero);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      background-size: 200% 100%;
      animation: shimmer 4s infinite linear;
    }
    @keyframes shimmer {
      0% { background-position: -200% center; }
      100% { background-position: 200% center; }
    }

    .hero-subtitle {
      font-size: clamp(1rem, 1.5vw, 1.15rem);
      max-width: 450px;
      color: var(--text-secondary);
      font-weight: 300;
      line-height: 1.7;
      animation: fadeUpLine 0.8s cubic-bezier(0.23, 1, 0.32, 1) 0.7s backwards;
    }

    /* ─── Pared 3D (Solo lado derecho) ─── */
    .hero-3d-wall {
      position: absolute;
      top: 0;
      right: 0;
      width: 65%; /* Abarca más para que las 3 columnas entren bien */
      height: 100vh;
      perspective: 1200px;
      overflow: hidden;
      z-index: 1;
      
      /* Máscara: difumina el borde izquierdo (para no tocar el texto) y el derecho (fondo) */
      -webkit-mask-image: 
        linear-gradient(to right, transparent 0%, #000 25%, #000 100%),
        radial-gradient(ellipse 85% 100% at 70% 50%, #000 40%, transparent 90%);
      -webkit-mask-composite: source-in;
      mask-image: 
        linear-gradient(to right, transparent 0%, #000 25%, #000 100%),
        radial-gradient(ellipse 85% 100% at 70% 50%, #000 40%, transparent 90%);
      mask-composite: intersect;
    }
    
    /* Cuadrícula 3D: Volvemos a 3 columnas */
    .wall-grid {
      position: absolute;
      top: 50%;
      left: 60%; /* Desplazado para centrarse en el espacio derecho */
      width: 1300px; /* Más ancho para albergar las 3 columnas */
      height: 1300px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      transform: translate(-50%, -50%) rotateX(52deg) rotateZ(-40deg);
      transform-style: preserve-3d;
      pointer-events: none;
    }
    .wall-column {
      display: flex;
      flex-direction: column;
      gap: 24px;
      animation: wallScrollUp 30s linear infinite;
      will-change: transform;
    }
    .wall-column[data-dir="-1"] {
      animation-name: wallScrollDown;
    }

    .wall-tile {
      width: 100%;
      aspect-ratio: 1 / 1;
      border-radius: 14px;
      overflow: hidden;
      position: relative;
      background: #181e2b;
      box-shadow: 0 20px 40px -12px rgba(0,0,0,0.55);
    }
    .wall-tile img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: brightness(0.72) saturate(1.08);
      transition: filter 0.4s ease;
    }
    .wall-tile::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(255,107,107,0.14), rgba(72,219,251,0.10));
      mix-blend-mode: overlay;
      pointer-events: none;
    }
    .wall-tile::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,0.06);
      pointer-events: none;
      z-index: 2;
    }

    @keyframes wallScrollUp {
      0% { transform: translateY(0); }
      100% { transform: translateY(-50%); }
    }
    @keyframes wallScrollDown {
      0% { transform: translateY(-50%); }
      100% { transform: translateY(0); }
    }

    /* ───────────── Sección: Títulos ───────────── */
    .section-title { text-align: center; margin-bottom: 56px; }
    .section-title h2 {
      font-size: clamp(2rem, 4vw, 2.8rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 12px;
    }
    .section-title h2 .gradient {
      background: var(--gradient-hero);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .section-title p {
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto;
      font-weight: 300;
      font-size: 1.05rem;
    }

    /* ───────────── SERVICIOS ───────────── */
    .servicios { padding: 100px 0; background: var(--bg-secondary); }
    .servicios-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: 40px;
    }
    .servicio-card {
      background: var(--bg-card);
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.04);
      box-shadow: var(--shadow-card);
      transition: transform 0.5s cubic-bezier(0.23,1,0.32,1), box-shadow 0.5s ease;
      opacity: 1;
      transform: translateY(0) scale(1);
      will-change: transform, opacity;
      perspective: 1000px;
      transform-style: preserve-3d;
    }
    .servicio-card.visible { opacity: 1; transform: translateY(0) scale(1); }
    .servicio-card .servicio-img-container {
      width: 100%;
      height: 220px;
      overflow: hidden;
      position: relative;
      background: #2a2f3f;
    }
    .servicio-card .servicio-img-container img {
      width: 100%; height: 100%;
      object-fit: cover;
      transition: transform 0.8s ease;
    }
    .servicio-card:hover .servicio-img-container img { transform: scale(1.06); }
    .servicio-card .servicio-content { padding: 30px 28px 34px; }
    .servicio-card .servicio-content h3 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #feca57;
    }
    .servicio-card .servicio-content p {
      color: var(--text-secondary);
      font-weight: 300;
      margin-bottom: 18px;
      line-height: 1.7;
    }
    .servicio-card .servicio-content ul { list-style: none; margin-bottom: 24px; }
    .servicio-card .servicio-content ul li {
      padding: 6px 0 6px 28px;
      position: relative;
      color: var(--text-secondary);
      font-weight: 300;
      font-size: 0.95rem;
    }
    .servicio-card .servicio-content ul li::before {
      content: '▹';
      position: absolute;
      left: 0;
      color: var(--accent-1);
      font-weight: 700;
    }

    /* ───────────── CTA CON PARALLAX ───────────── */
    .cta-section {
      position: relative;
      padding: 120px 0;
      text-align: center;
      overflow: hidden;
      background: var(--bg-primary);
    }
    .cta-bg {
      position: absolute;
      inset: -30% 0;
      background: url('../img/cta-image.webp') center/cover no-repeat;
      will-change: transform;
      z-index: 0;
      filter: brightness(0.5) saturate(1.1);
    }
    .cta-overlay {
      position: absolute;
      inset: 0;
      z-index: 1;
      background: linear-gradient(135deg, rgba(26,29,46,0.85) 0%, rgba(15, 26, 88, 0.8) 40%, rgba(10,12,18,0.92) 100%);
    }
    .cta-section .cta-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }
    .cta-section h2 {
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
      background: var(--gradient-hero);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .cta-section p {
      color: var(--text-secondary);
      font-size: 1.15rem;
      font-weight: 300;
      margin-bottom: 30px;
      max-width: 560px;
      margin-left: auto;
      margin-right: auto;
    }
    .cta-section .btn {
      background: #0e7534;
      box-shadow: 0 8px 30px rgba(37,211,102,0.3);
      color: #11141f;
    }
    .cta-section .btn:hover {
      background: #1a7e42;
      box-shadow: 0 15px 45px rgba(97,104,101,0.5);
    }

    /* ───────────── GALERÍA BRANDING ───────────── */
    .branding-gallery { padding: 100px 0; background: var(--bg-primary); }
    .gallery-filter {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }
    .gallery-filter .filter-btn {
      padding: 8px 24px;
      border-radius: 50px;
      border: 1px solid rgba(255,255,255,0.08);
      background: transparent;
      color: var(--text-secondary);
      font-weight: 500;
      font-size: 0.85rem;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .gallery-filter .filter-btn:hover,
    .gallery-filter .filter-btn.active {
      background: rgba(255,107,107,0.12);
      border-color: var(--accent-1);
      color: #fff;
    }
    .gallery-filter .filter-btn.active {
      background: var(--accent-1);
      border-color: var(--accent-1);
      color: #fff;
    }
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 24px;
    }
    .gallery-item {
      border-radius: 16px;
      overflow: hidden;
      aspect-ratio: 1 / 1;
      background: var(--bg-card);
      border: 1px solid rgba(255,255,255,0.04);
      transition: transform 0.4s ease, box-shadow 0.4s ease, opacity 0.6s ease;
      opacity: 0;
      transform: translateY(30px) scale(0.95);
      will-change: transform, opacity;
    }
    .gallery-item.visible { opacity: 1; transform: translateY(0) scale(1); }
    .gallery-item:hover {
      transform: scale(1.04);
      box-shadow: 0 20px 50px rgba(0,0,0,0.5);
      z-index: 2;
    }
    .gallery-item img {
      width: 100%; height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .gallery-item:hover img { transform: scale(1.08); }

    /* ───────────── SITIOS WEB ───────────── */
    .websites-gallery { padding: 100px 0; background: var(--bg-secondary); }
    .websites-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 30px;
    }
    .website-card {
      background: var(--bg-card);
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.04);
      box-shadow: var(--shadow-card);
      transition: transform 0.5s cubic-bezier(0.23,1,0.32,1), box-shadow 0.5s ease, opacity 0.6s ease;
      opacity: 0;
      transform: translateY(50px) scale(0.96);
      will-change: transform, opacity;
      perspective: 1000px;
      transform-style: preserve-3d;
    }
    .website-card.visible { opacity: 1; transform: translateY(0) scale(1); }
    .website-card .website-img {
      width: 100%; height: 200px;
      overflow: hidden;
      background: #2a2f3f;
    }
    .website-card .website-img img {
      width: 100%; height: 100%;
      object-fit: cover;
      transition: transform 0.7s ease;
    }
    .website-card:hover .website-img img { transform: scale(1.05); }
    .website-card .website-info { padding: 24px 26px 30px; }
    .website-card .website-info h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 2px;
      color: var(--accent-2);
    }
    .website-card .website-info p {
      color: var(--text-secondary);
      font-weight: 300;
      font-size: 0.95rem;
    }
    .website-card .website-info p strong {
      color: var(--text-primary);
      font-weight: 600;
    }

    /* ───────────── CLIENTES (slider) ───────────── */
    .mini-gallery { padding: 100px 0; background: var(--bg-primary); overflow: hidden; }
    .slider-container {
      position: relative;
      width: 100%;
      overflow: hidden;
      padding: 20px 0;
    }
    .slider-track {
      display: flex;
      gap: 30px;
      animation: scroll-slider 40s linear infinite;
      width: max-content;
    }
    .slider-track:hover { animation-play-state: paused; }
    .slider-item {
      flex: 0 0 160px;
      height: 100px;
      background: #ffffff;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 15px;
      box-shadow: 0 8px 30px rgba(0,0,0,0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid rgba(255,255,255,0.05);
    }
    .slider-item:hover {
      transform: scale(1.08);
      box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    }
    .slider-item img {
      max-width: 100%;
      max-height: 70px;
      object-fit: contain;
    }
    @keyframes scroll-slider {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* ───────────── CONTACTO ───────────── */
    .contacto { padding: 100px 0; background: var(--bg-secondary); }
    .contacto-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .contacto-img {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(255,255,255,0.04);
    }
    .contacto-img img {
      width: 100%; height: 100%;
      object-fit: cover;
      min-height: 300px;
      background: #2a2f3f;
    }
    .contacto-info h3 {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 16px;
      background: var(--gradient-hero);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .contacto-info p {
      color: var(--text-secondary);
      font-weight: 300;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .contacto-details {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 30px;
    }
    .contacto-details p {
      display: flex;
      align-items: center;
      gap: 14px;
      color: var(--text-secondary);
      font-weight: 400;
      margin-bottom: 0;
    }
    .contacto-details p i { color: var(--accent-1); width: 20px; font-size: 1.1rem; }
    .contacto-btns { display: flex; gap: 16px; flex-wrap: wrap; }

    /* ───────────── HERO SECUNDARIO ───────────── */
    .hero-secondary {
      min-height: 10vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      position: relative;
      padding: 40px 0;
      background: url('../img/hero-secciones.webp') center/cover no-repeat fixed;
    }
    .hero-secondary::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(10,12,18,0.85);
      z-index: 0;
    }
    .hero-secondary .hero-content { position: relative; z-index: 1; }
    .hero-secondary h2 {
      font-size: clamp(3rem, 8vw, 5rem);
      font-weight: 900;
      letter-spacing: -0.03em;
      margin-bottom: 16px;
      background: var(--gradient-hero);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-secondary p {
      font-size: 1.2rem;
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto;
      font-weight: 300;
    }

    /* ───────────── FOOTER ───────────── */
    footer {
      background: var(--bg-primary);
      padding: 32px 5%;
      text-align: center;
      border-top: 1px solid rgba(255,255,255,0.03);
      color: var(--text-muted);
      font-size: 0.85rem;
      font-weight: 300;
      letter-spacing: 0.5px;
    }

    /* ───────────── RESPONSIVE ───────────── */
    @media (max-width: 992px) {
      .hero {
        flex-direction: column;
        justify-content: center;
        padding-top: 120px;
      }
      .hero-text {
        width: 100%;
        text-align: center;
        padding-right: 0;
      }
      .hero-subtitle {
        margin: 0 auto;
      }
      .hero-3d-wall {
        position: relative;
        width: 100%;
        height: 400px;
        margin-top: 40px;
        -webkit-mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, #000 40%, transparent 90%);
        mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, #000 40%, transparent 90%);
      }
      .wall-grid {
        left: 50%;
        width: 800px;
        height: 800px;
        gap: 18px;
      }
      .wall-column { gap: 18px; }
      .contacto-content { grid-template-columns: 1fr; gap: 40px; }
      .hero-secondary { background-attachment: scroll; }
    }
    @media (max-width: 768px) {
      nav ul {
        display: none;
        flex-direction: column;
        background: var(--bg-primary);
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 20px 5%;
        gap: 16px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
      }
      nav ul.open { display: flex; }
      .menu-toggle { display: block; }
      .hero { padding-top: 100px; }
      .hero-title { font-size: 1.9rem; }
      .hero-subtitle { font-size: 1rem; }
      .hero-3d-wall { height: 350px; }
      .wall-grid {
        width: 700px;
        height: 700px;
        gap: 16px;
      }
      .wall-column { gap: 16px; }
      .servicios-grid { grid-template-columns: 1fr; }
      .websites-grid { grid-template-columns: 1fr; }
      .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); }
      .slider-item { flex: 0 0 120px; height: 80px; }
      .section-title h2 { font-size: 1.8rem; }
      .contacto-btns { flex-direction: column; align-items: flex-start; }
      .whatsapp-float {
        width: 50px; height: 50px;
        font-size: 1.8rem;
        bottom: 20px; right: 20px;
      }
      .hero-secondary h2 { font-size: 2.6rem; }
      .cta-section h2 { font-size: 1.8rem; }
      .cta-section { padding: 80px 0; }
    }
    @media (max-width: 480px) {
      .hero-title { font-size: 1.6rem; }
      .hero-3d-wall { height: 280px; }
      .wall-grid {
        width: 600px;
        height: 600px;
        gap: 12px;
      }
      .wall-column { gap: 12px; }
      .wall-tile { border-radius: 10px; }
      .servicio-card .servicio-content { padding: 20px; }
      .website-card .website-info { padding: 18px 20px 24px; }
      .whatsapp-float {
        width: 44px; height: 44px;
        font-size: 1.5rem;
        bottom: 16px; right: 16px;
      }
    }