/* ============================================================
       PRODUTOS PAGE STYLES
       ============================================================ */
    .page-hero {
      padding: 5rem 1.5rem 4rem;
      text-align: center;
      background: linear-gradient(135deg, #020f22 0%, #041e42 60%, #062a5c 100%);
      position: relative;
      overflow: hidden;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(0,212,255,0.07) 0%, transparent 70%);
      pointer-events: none;
    }

    .page-hero-tag {
      display: inline-block;
      padding: 0.4rem 1rem;
      background: rgba(0,212,255,0.1);
      border: 1px solid rgba(0,212,255,0.25);
      border-radius: 50px;
      color: var(--cyan);
      font-family: var(--font-display);
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: 1.25rem;
    }

    .page-hero h1 {
      font-family: var(--font-display);
      font-size: clamp(2rem, 5vw, 3.5rem);
      font-weight: 900;
      color: var(--white);
      line-height: 1.1;
      margin-bottom: 1rem;
    }

    .page-hero h1 span { color: var(--cyan); }

    .page-hero p {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 520px;
      margin: 0 auto;
      line-height: 1.6;
    }

    .page-wave {
      line-height: 0;
      background: linear-gradient(135deg, #020f22 0%, #041e42 60%, #062a5c 100%);
    }

    .page-wave svg { display: block; width: 100%; }

    /* ============================================================
       CATÁLOGO
       ============================================================ */
    .products-section {
      padding: 4rem 1.5rem 5rem;
      background: linear-gradient(180deg, #051828 0%, #03182e 100%);
    }

    .products-grid {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }

    .product-card {
      background: rgba(5, 35, 65, 0.75);
      backdrop-filter: var(--glass-blur);
      border: 1px solid rgba(41,171,226,0.18);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .product-card::after {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: var(--grad-cyan);
      transform: scaleX(0);
      transition: transform 0.3s ease;
      transform-origin: left;
    }

    .product-card:hover {
      transform: translateY(-5px);
      border-color: rgba(41,171,226,0.4);
      box-shadow: 0 8px 30px rgba(41,171,226,0.15), var(--shadow-md);
    }

    .product-card:hover::after { transform: scaleX(1); }

    /* FUNDO BRANCO SÓ NA ÁREA DA IMAGEM */
    .product-img-wrap {
      background: #ffffff;
      border-bottom: 1px solid rgba(41,171,226,0.12);
      padding: 1.5rem 1.25rem;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 190px;
      overflow: hidden;
    }

    .product-img-wrap img {
      max-height: 200px;
      max-width: 90%;
      object-fit: contain;
      transition: transform 0.4s ease;
    }

    .product-card:hover .product-img-wrap img {
      transform: scale(1.07);
    }

    .product-body {
      padding: 1.35rem 1.5rem 1.5rem;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .product-body h3 {
      font-family: var(--font-display);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 0.5rem;
    }

    .product-body p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex: 1;
    }

    .product-tag {
      display: inline-block;
      padding: 0.25rem 0.75rem;
      background: rgba(0,212,255,0.08);
      border: 1px solid rgba(0,212,255,0.15);
      border-radius: 50px;
      color: var(--cyan);
      font-size: 0.72rem;
      font-weight: 600;
      font-family: var(--font-display);
      text-transform: uppercase;
      letter-spacing: 0.06em;
      margin-bottom: 0.75rem;
      align-self: flex-start;
    }

    /* ============================================================
       CALCULADORA
       ============================================================ */
    #calculadora {
      padding: 5rem 1.5rem;
      background: linear-gradient(180deg, #041e42 0%, #020f22 100%);
    }

    .calc-inner {
      max-width: 760px;
      margin: 0 auto;
    }

    .calc-box {
      background: var(--glass-bg);
      backdrop-filter: var(--glass-blur);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-xl);
      padding: 3rem;
      position: relative;
      overflow: hidden;
    }

    .calc-box::before {
      content: '';
      position: absolute;
      top: -1px; left: 20%; right: 20%;
      height: 2px;
      background: var(--grad-cyan);
    }

    .calc-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
      margin: 2rem 0;
    }

    .calc-field {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .calc-field label {
      font-family: var(--font-display);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.07em;
    }

    .calc-field input {
      width: 100%;
      padding: 0.85rem 1rem;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(0,212,255,0.2);
      border-radius: var(--radius-sm);
      color: var(--white);
      font-size: 1.05rem;
      font-family: var(--font-body);
      font-weight: 500;
      transition: var(--transition);
      outline: none;
    }

    .calc-field input:focus {
      border-color: var(--cyan);
      background: rgba(0,212,255,0.06);
      box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
    }

    .calc-field input::placeholder { color: rgba(255,255,255,0.25); }

    .calc-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .calc-result {
      margin-top: 2rem;
      padding: 1.75rem;
      background: linear-gradient(135deg, rgba(0,212,255,0.08), rgba(0,150,255,0.05));
      border: 1px solid rgba(0,212,255,0.25);
      border-radius: var(--radius-md);
      display: none;
      animation: fade-in-up 0.5s ease;
    }

    .calc-result.show { display: block; }

    .calc-result-value {
      font-family: var(--font-display);
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--cyan);
      line-height: 1;
      margin-bottom: 0.5rem;
    }

    .calc-result-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1.25rem;
    }

    .calc-result-tip {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      border-top: 1px solid rgba(0,212,255,0.1);
      padding-top: 1rem;
    }

    .calc-result-tip a {
      color: var(--cyan);
      text-decoration: none;
      font-weight: 600;
    }

    .calc-result-tip a:hover { text-decoration: underline; }

    /* ============================================================
       RESPONSIVIDADE
       ============================================================ */
    @media (max-width: 1024px) {
      .products-grid { grid-template-columns: repeat(3, 1fr); }
    }

    @media (max-width: 900px) {
      .products-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .products-grid { grid-template-columns: repeat(2, 1fr); }
      .calc-grid { grid-template-columns: 1fr; }
      .calc-box { padding: 2rem 1.5rem; }
    }

    @media (max-width: 480px) {
      .products-grid { grid-template-columns: 1fr; }
    }