/* ==========================================================================
   FOLHA DE ESTILO MOBILE RESPONSIVA E PREMIUM - ALOÍSIO DA SILVA ADVOCACIA
   Especificações Técnicas: mobile.md
   ========================================================================== */

:root {
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   1. PREVENÇÃO GLOBAL DE OVERFLOW E DIMENSIONAMENTO DE MÍDIA
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

img, video, iframe, svg {
  max-width: 100%;
  height: auto;
}

/* --------------------------------------------------------------------------
   2. ESTILOS RESPONSIVOS EXCLUSIVOS PARA DISPOSITIVOS MOBILE (<= 768px)
   -------------------------------------------------------------------------- */
@media screen and (max-width: 768px) {

  /* A. OCULTAR BOTÃO WHATSAPP CIRCULAR FLUTUANTE EM MOBILE */
  .whatsapp-widget,
  #whatsapp-widget,
  .whatsapp-trigger-btn,
  #whatsapp-trigger-btn,
  .whatsapp-tooltip,
  .whatsapp-chat-panel {
    display: none !important;
  }

  /* B. TAG HERO BADGE MENOR E PROPORCIONAL EM MOBILE */
  .hero-badge {
    font-size: clamp(0.68rem, 2.8vw, 0.78rem) !important;
    padding: 6px 14px !important;
    letter-spacing: 0.8px !important;
    line-height: 1.35 !important;
    margin-bottom: 16px !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    text-align: center !important;
    justify-content: center !important;
    display: inline-flex !important;
  }

  /* C. MENU SANDUÍCHE (HAMBURGER MENU) COM ÁREA DE TOQUE 48PX E TRANSIÇÃO EM X */
  .nav-toggle,
  #nav-hamburger {
    min-width: 48px;
    min-height: 48px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
    pointer-events: auto;
  }

  #nav-hamburger .bar,
  .nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--brand-white, #ffffff);
    border-radius: 2px;
    transition: transform 0.35s var(--ease-premium), opacity 0.35s var(--ease-premium);
  }

  /* Transição Suave para a Forma de X */
  #nav-hamburger.is-active .bar:nth-child(1),
  .nav-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  #nav-hamburger.is-active .bar:nth-child(2),
  .nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  #nav-hamburger.is-active .bar:nth-child(3),
  .nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* OVERLAY DE LINKS (#nav-menu) COM EFEITO GLASSMORPHISM */
  #nav-menu,
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    width: 100%;
    height: calc(100vh - 72px);
    background: rgba(8, 15, 26, 0.94);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 40px 24px;
    gap: 24px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.35s var(--ease-premium), transform 0.35s var(--ease-premium), visibility 0.35s var(--ease-premium);
  }

  #nav-menu.is-active,
  .nav-menu.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  /* D. PADRÃO ESTRITO DE BOTÃO WHATSAPP E STICKY BAR MOBILE */
  .mobile-sticky-bar {
    display: block !important;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 990;
    background: transparent !important;
    padding: 12px 16px 20px 16px;
    pointer-events: none;
    transition: opacity 0.35s var(--ease-premium), transform 0.35s var(--ease-premium);
  }

  .mobile-sticky-bar.sticky-hidden {
    opacity: 0 !important;
    pointer-events: none !important;
    transform: translateY(20px) !important;
  }

  .mobile-sticky-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    background-color: var(--brand-cta, #0d2342);
    color: #ffffff !important;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
    padding: 14px 20px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    pointer-events: auto;
    transition: transform 0.25s var(--ease-premium), box-shadow 0.25s var(--ease-premium);
  }

  .mobile-sticky-btn:active {
    transform: scale(0.98);
  }

  /* E. TIPOGRAFIA FLUIDA HERO */
  .hero-title {
    font-size: clamp(1.75rem, 6vw, 2.4rem) !important;
  }

  .hero-description {
    font-size: clamp(0.95rem, 3.5vw, 1.05rem) !important;
  }
}

/* --------------------------------------------------------------------------
   3. FLEXIBILIDADE RESPONSIVA DE GRIDS
   -------------------------------------------------------------------------- */
@media screen and (max-width: 900px) {
  .areas-grid,
  .metodologia-grid,
  .diferenciais-grid,
  .advogado-grid,
  .footer-grid,
  .grid-3-cols,
  .grid-4-cols {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px;
  }
}

@media screen and (max-width: 600px) {
  .areas-grid,
  .metodologia-grid,
  .diferenciais-grid,
  .advogado-grid,
  .footer-grid,
  .grid-3-cols,
  .grid-4-cols,
  .grid-2-cols {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
}