/* ===========================
       RESET & VARIÁVEIS
    =========================== */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Poppins', Arial, sans-serif;
    }

    :root {
      --bg-dark: #000000;
      --bg-card: #141418;
      --vermelho-brand: #ff0000;
      --vermelho-hover: #cc0000;
      --verde-preco: #00ff66;
      --verde-whatsapp: #25d366;
      --ouro: #FFD700;
      --texto-principal: #ffffff;
      --texto-secundario: #ccc;
    }

    body {
      color: var(--texto-principal);
      background: var(--bg-dark);
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* ===========================
       HEADER & LOGO
    =========================== */
    header {
      padding: 30px 15px 20px;
      text-align: center;
      background: radial-gradient(circle, rgba(255, 0, 0, 0.25) 0%, rgba(0, 0, 0, 1) 90%);
    }

    .logo img {
      width: 100%;
      max-width: 320px;
      height: auto;
      filter: drop-shadow(0 0 15px rgba(255, 0, 0, 0.4));
    }

    .subtitulo {
      margin-top: 10px;
      font-size: 14px;
      color: var(--texto-secundario);
      letter-spacing: 1px;
    }

    /* ===========================
       BARRA DE BUSCA & NAVEGAÇÃO DE CATEGORIAS
    =========================== */
    .filtros-container {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(0, 0, 0, 0.92);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(255, 0, 0, 0.3);
      padding: 12px 0;
    }

    .search-box {
      max-width: 500px;
      margin: 0 auto 10px;
      padding: 0 15px;
    }

    .search-box input {
      width: 100%;
      padding: 10px 16px;
      border-radius: 20px;
      border: 1px solid rgba(255, 0, 0, 0.5);
      background: #111;
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: border-color 0.3s;
    }

    .search-box input:focus {
      border-color: var(--vermelho-brand);
      box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
    }

    .nav-categorias {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 5px 15px;
      max-width: 1100px;
      margin: 0 auto;
      scrollbar-width: none;
    }

    .nav-categorias::-webkit-scrollbar { display: none; }

    .nav-btn {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #ccc;
      padding: 8px 18px;
      border-radius: 20px;
      font-weight: 600;
      font-size: 13px;
      white-space: nowrap;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .nav-btn.active, .nav-btn:hover {
      background: var(--vermelho-brand);
      color: #fff;
      border-color: var(--vermelho-brand);
      box-shadow: 0 0 12px rgba(255, 0, 0, 0.6);
    }

    /* ===========================
       LAYOUT CONTAINER
    =========================== */
    .container {
      width: 100%;
      max-width: 1100px;
      margin: 0 auto;
      padding: 20px;
    }

    .categoria {
      margin-bottom: 40px;
    }

    .categoria h2 {
      color: var(--vermelho-brand);
      margin-bottom: 20px;
      border-left: 5px solid var(--vermelho-brand);
      padding-left: 12px;
      font-size: 28px;
      font-family: 'Montserrat', sans-serif;
    }

    /* ===========================
       GRID DE CARDS
    =========================== */
    .cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
      align-items: stretch;
    }

    .card {
      border: 2px solid var(--vermelho-brand);
      border-radius: 15px;
      padding: 20px;
      transition: all 0.3s ease;
      box-shadow: 0 0 10px rgba(255, 0, 0, 0.3);
      width: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 220px;
      position: relative;
    }

    .card h3 {
      color: #fff;
      margin-bottom: 10px;
      font-size: 22px;
      font-family: 'Montserrat', sans-serif;
    }

    .card p {
      color: var(--texto-secundario);
      margin-bottom: 15px;
      line-height: 1.5;
      font-size: 14px;
      flex-grow: 1;
    }

    .preco {
      font-size: 26px;
      font-weight: 800;
      color: var(--verde-preco);
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 0 20px rgba(255, 0, 0, 0.8);
    }

    /* ===========================
       ANIMAÇÕES & COMBOS
    =========================== */
    .animation {
      animation: pulsar 2s ease-in-out infinite;
    }

    @keyframes pulsar {
      0% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3);
      }
      50% {
        transform: scale(1.02);
        box-shadow: 0 8px 24px rgba(255, 0, 0, 0.7);
      }
      100% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3);
      }
    }

    .combos {
      position: relative;
      overflow: hidden;
      border-radius: 15px;
      border: none;
      background: #141418;
    }

    .combos::before {
      content: "";
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: conic-gradient(
        transparent 0deg,
        transparent 200deg,
        #8B6B00 240deg,
        #FFD700 300deg,
        #FFF8DC 360deg
      );
      animation: girar 4s linear infinite;
      z-index: 1;
    }

    .combos::after {
      content: "";
      position: absolute;
      inset: 2px;
      border-radius: 13px;
      background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('img-19.webp');
      background-size: cover;
      background-position: center;
      z-index: 2;
    }

    .combos > * {
      position: relative;
      z-index: 3;
    }

    @keyframes girar {
      from {
        transform: rotate(0deg);
      }
      to {
        transform: rotate(360deg);
      }
    }

    /* ===========================
       TORRE DE CHOPP
    =========================== */
    .torre-card {
      position: relative;
      overflow: hidden;
      width: 100%;
      margin: 40px 0;
      background: linear-gradient(135deg, #181818, #0a0a0a);
      border: 2px solid var(--ouro);
      border-radius: 22px;
      box-shadow: 0 15px 40px rgba(0,0,0,.45), 0 0 25px rgba(255,215,0,.15);
      line-height: 1.6;
    }

    .torre-faixa {
      position: absolute;
      top: 28px;
      right: -70px;
      width: 240px;
      text-align: center;
      background: linear-gradient(90deg, #ff3300, #ff9800);
      color: #fff;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 2px;
      padding: 10px 0;
      transform: rotate(40deg);
      box-shadow: 0 8px 20px rgba(216, 32, 0, 0.45);
      z-index: 5;
    }

    .torre-conteudo {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 45px;
      padding: 45px;
    }

    .torre-titulo {
      color: var(--ouro);
      font-size: 38px;
      font-family: 'Montserrat', sans-serif;
      margin-bottom: 10px;
    }

    .torre-litros {
      color: #ddd;
      font-size: 20px;
      margin-bottom: 25px;
    }

    .torre-beneficios {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 15px;
    }

    .torre-item {
      background: #1d1d1d;
      border-left: 4px solid var(--ouro);
      border-radius: 12px;
      padding: 15px;
      color: #eee;
      font-size: 14px;
      transition: .3s;
    }

    .torre-item:hover {
      transform: translateY(-4px);
      background: #262626;
    }

    .torre-lateral {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .torre-preco-box {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 30px 20px;
      border-radius: 20px;
      background: rgba(255, 215, 0, 0.03);
      background-image: linear-gradient(145deg, rgba(255, 215, 0, 0.08) 0%, rgba(0, 0, 0, 0.6) 100%);
      border: 1px solid rgba(255, 215, 0, 0.4);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
      transition: all 0.4s ease;
    }

    .torre-preco-box:hover {
      border-color: var(--ouro);
      box-shadow: 0 12px 35px rgba(255, 215, 0, 0.25);
      transform: translateY(-4px);
    }

    .preco-badge {
      color: var(--ouro);
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 2px;
      text-transform: uppercase;
      padding: 4px 12px;
      background: rgba(255, 215, 0, 0.1);
      border: 1px solid rgba(255, 215, 0, 0.3);
      border-radius: 12px;
      margin-bottom: 15px;
    }

    .torre-preco-valor {
      display: flex;
      justify-content: center;
      align-items: flex-start;
      color: #fff;
      line-height: 1;
    }

    .torre-preco-valor small {
      font-size: 24px;
      font-weight: 700;
      margin-top: 10px;
      margin-right: 2px;
      color: var(--ouro);
    }

    .torre-preco-valor strong {
      font-size: 72px;
      font-weight: 900;
      letter-spacing: -2px;
      color: #ffffff;
      text-shadow: 0 0 25px rgba(255, 215, 0, 0.4);
    }

    .torre-preco-valor sup {
      font-size: 28px;
      font-weight: 700;
      margin-top: 10px;
      color: var(--ouro);
    }

    /* ===========================
       IMAGENS DE FUNDO DOS CARDS
    =========================== */
    .batata-650g, .batata-350g { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-1.webp') center 65%/cover no-repeat; }
    .pizza { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-18.webp') center 65%/cover no-repeat; }
    .croquete { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-34.webp') center 65%/cover no-repeat; } 
    .pastelzinho { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-3.webp') center 80%/cover no-repeat; }
    .cerveja-reineken, .cerveja-heineken-long { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-6.webp') center 60%/cover no-repeat; }
    .cerveja-heineken-long-zero { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-33.webp') center 60%/cover no-repeat; }
    .cerveja-original { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-35.webp') center 60%/cover no-repeat; }
    .cerveja-bud, .cerveja-bud-long { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-7.webp') center 80%/cover no-repeat; }
    .cerveja-brahma { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-12.webp') center 80%/cover no-repeat; }
    .cerveja-amstel { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-13.webp') center/cover no-repeat; }
    .cerveja-polar { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-14.webp') center/cover no-repeat; }
    .cerveja-corona { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-8.webp') 40% 45%/cover no-repeat; }
    .coca-cola-600 { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-9.webp') center/cover no-repeat; }
    .coca-cola-lata { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-10.webp') center/cover no-repeat; }
    .coca-cola-290 { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-15.webp') center/cover no-repeat; }
    .fys { background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)), url('img-32.webp') center 50%/cover no-repeat; }
    .pepsi { background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)), url('img-20.webp') center 50%/cover no-repeat; }
    .fanta { background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)), url('img-22.webp') center 50%/cover no-repeat; }
    .guarana { background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)), url('img-21.webp') center 50%/cover no-repeat; }
    .sprite { background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)), url('img-23.webp') center 50%/cover no-repeat; }
    .redbull { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-5.webp') center/cover no-repeat; }
    .monster { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-4.webp') center/cover no-repeat; }
    .baly { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-17.webp') center 50%/cover no-repeat; }
    .jackdaniels { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-36.webp') center 50%/cover no-repeat; }
    .redlabel { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-37.webp') center 50%/cover no-repeat; }
    .whitehourse { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-38.webp') center 50%/cover no-repeat; }
    .absolut { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-39.webp') center 50%/cover no-repeat; }
    .passport { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-40.webp') center 50%/cover no-repeat; }
    .blackfire { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-41.webp') center 50%/cover no-repeat; }
    .chopp { background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('img-30.webp') center 50%/cover no-repeat; }
    .beats { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-24.webp') center 50%/cover no-repeat; }
    .agua { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-28.webp') center 50%/cover no-repeat; }
    .h2oh { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-27.webp') center 50%/cover no-repeat; }
    .delvalle { background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('img-29.webp') center 50%/cover no-repeat; }

    .mesa-semi { background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)), url('img-11.webp') center 65%/cover no-repeat; }
    .mesa-pro { background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)), url('img-16.webp') center 60%/cover no-repeat; }
    .extra { background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)), url('img-31.webp') center 60%/cover no-repeat; }

    /* ===========================
       BOTÃO FLUTUANTE DO WHATSAPP
    =========================== */
    .btn-whatsapp {
      position: fixed;
      bottom: 30px;
      left: 30px;
      z-index: 99;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--verde-whatsapp);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
      transition: all 0.3s ease;
      text-decoration: none;
    }

    .btn-whatsapp:hover {
      transform: translateY(-3px) scale(1.05);
      box-shadow: 0 6px 20px rgba(37, 211, 102, 0.8);
    }

    /* ===========================
       BOTÃO VOLTAR AO TOPO (CENTRALIZADO)
    =========================== */
    #btnTopo {
      display: none; /* Controlado pelo JavaScript */
      align-items: center;
      justify-content: center;
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 99;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      border: 1px solid var(--vermelho-brand);
      outline: none;
      background: rgba(20, 0, 0, 0.85);
      color: white;
      font-size: 22px;
      font-weight: bold;
      line-height: 1;
      padding: 0;
      margin: 0;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(255, 0, 0, 0.4);
      transition: all 0.3s ease;
      backdrop-filter: blur(5px);
    }

    #btnTopo:hover {
      transform: translateY(-3px);
      background: var(--vermelho-brand);
      box-shadow: 0 6px 20px rgba(255, 0, 0, 0.8);
    }

    /* ===========================
       FOOTER
    =========================== */
    footer {
      text-align: center;
      padding: 30px 20px;
      background: #0a0a0a;
      margin-top: 40px;
      border-top: 2px solid var(--vermelho-brand);
    }

    footer p {
      margin: 8px 0;
      color: var(--texto-secundario);
      font-size: 14px;
    }

    .instagram {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .instagram a {
      display: flex;
      align-items: center;
    }

    /* ===========================
       MEDIA QUERIES (RESPONSIVIDADE)
    =========================== */
    @media (max-width: 900px) {
      .torre-conteudo {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .torre-lateral {
        margin-top: 10px;
      }
    }

    @media (max-width: 600px) {
      .container {
        padding: 15px;
      }

      .categoria h2 {
        font-size: 22px;
      }

      .torre-conteudo {
        padding: 25px 15px;
        gap: 20px;
      }

      .torre-faixa {
        width: 180px;
        right: -55px;
        top: 18px;
        font-size: 10px;
      }

      .torre-titulo {
        font-size: 26px;
        text-align: center;
      }

      .torre-litros {
        text-align: center;
        font-size: 16px;
      }

      .torre-beneficios {
        grid-template-columns: 1fr;
      }

      .torre-preco-valor strong {
        font-size: 58px;
      }

      .torre-preco-valor small {
        font-size: 20px;
      }

      .torre-preco-valor sup {
        font-size: 22px;
      }

      #btnTopo {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 20px;
      }

      .btn-whatsapp {
        bottom: 20px;
        left: 20px;
        width: 44px;
        height: 44px;
      }

      .btn-whatsapp svg {
        width: 24px;
        height: 24px;
      }
    }