/* =============================================
   PAULO TEC - Responsive Styles
   responsive.css — Mobile & Tablet
   ============================================= */

/* --- Tablet: 1024px --- */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-visual-card { max-width: 360px; margin: 0 auto; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .coverage-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .page-content .content-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .page-sidebar { position: static; }

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

/* --- Mobile: 768px --- */
@media (max-width: 768px) {
  html { font-size: 15px; }

  section { padding: 72px 0; }

  .container { padding: 0 20px; }

  /* Header Mobile */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 100px 32px 40px;
    gap: 0;
    box-shadow: -4px 0 24px rgba(0,0,0,0.1);
    transition: right var(--transition);
    z-index: 999;
    align-items: flex-start;
  }

  .nav-menu.active { right: 0; }

  .nav-menu a {
    width: 100%;
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--gray-100);
  }

  .nav-menu a::after { display: none; }

  .nav-cta {
    margin-top: 16px;
    text-align: center;
    justify-content: center;
    width: 100%;
    display: flex !important;
  }

  .hamburger { display: flex; }

  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .mobile-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  /* Hero Mobile */
  .hero { min-height: auto; padding: 120px 0 72px; }

  .hero h1 { font-size: 2rem; }

  .hero-subtitle { font-size: 1rem; }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    padding: 12px 28px;
    font-size: 0.95rem;
    width: 100%;
    justify-content: center;
    max-width: 320px;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-visual-card { padding: 32px; }
  .hero-visual-card .icon-big { font-size: 3.5rem; }

  .hero-floating { display: none; }

  /* Services Mobile */
  .services-grid { grid-template-columns: 1fr; }

  .service-card { padding: 28px 24px; }

  /* Why Grid Mobile */
  .why-grid { grid-template-columns: 1fr; }

  .why-item { padding: 28px 20px; }

  /* Differentials Mobile */
  .diff-grid { grid-template-columns: 1fr; }

  /* About Mobile */
  .about-visual { padding: 36px; }
  .about-visual .icon-large { font-size: 4rem; }
  .about-highlights { grid-template-columns: 1fr; }

  /* CTA Mobile */
  .cta-card { padding: 40px 24px; }
  .cta-card .btn { max-width: 280px; }

  /* Footer Mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  /* Brands Mobile */
  .brands-inner {
    gap: 28px;
  }

  .brand-tag { font-size: 1.1rem; }

  /* WhatsApp Float Mobile */
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }

  .scroll-top {
    bottom: 86px;
    right: 22px;
    width: 40px;
    height: 40px;
  }

  /* Page Hero Mobile */
  .page-hero { padding: 120px 0 60px; }

  /* Contact Mobile */
  .contact-form { padding: 28px 20px; }
}

/* --- Small Mobile: 480px --- */
@media (max-width: 480px) {
  html { font-size: 14px; }

  .header-inner { height: 64px; }

  .logo img { height: 40px; width: 40px; }
  .logo { font-size: 1.15rem; }

  .hero { padding: 100px 0 60px; }

  .hero-stat .stat-number { font-size: 1.5rem; }

  .container { padding: 0 16px; }

  .cta-card { padding: 32px 20px; }

  .brands-inner { gap: 20px; }
  .brand-tag { font-size: 0.95rem; }
}