:root{
    --bg-top: #0a1124;
    --bg-bottom: #050810;
    --bg-soft: #0e1830;
    --line: rgba(255,255,255,0.07);
    --line-bright: rgba(91,124,255,0.35);
    --text-muted: #8590a8;
    --text-soft: #b3bbcc;
    --white: #ffffff;
    --accent: #3b5bff;
    --accent-bright: #6c8aff;
    --accent-glow: rgba(59,91,255,0.25);
    --whatsapp: #25d366;
  }

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

  body{
    background: var(--bg-bottom);
    font-family: 'Segoe UI', Arial, sans-serif;
  }

  .pt-footer{
    position: relative;
    background:
      radial-gradient(ellipse 900px 420px at 12% -10%, var(--accent-glow), transparent 60%),
      radial-gradient(ellipse 700px 380px at 88% 0%, rgba(91,124,255,0.12), transparent 55%),
      linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
    color: var(--text-soft);
    padding: 72px 5% 0;
    overflow: hidden;
  }

  /* faint top hairline catching the glow */
  .pt-footer::before{
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(108,138,255,0.5), transparent);
  }

  .pt-footer-grid{
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1280px;
    margin: 0 auto;
    padding-bottom: 52px;
    position: relative;
    z-index: 1;
  }

  /* Brand column */
  .pt-brand{ padding-right: 24px; }

  .pt-logo{
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
  }

  .pt-logo-mark{
    width: 36px;
    height: 42px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(91,124,255,0.55));
  }

  .pt-logo-text{
    font-family: Arial, sans-serif;
    font-weight: 800;
    font-style: italic;
    font-size: 25px;
    letter-spacing: 0.5px;
    background: linear-gradient(180deg, #ffffff 0%, #c7d2f5 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
  }

  .pt-tagline{
    font-size: 15px;
    line-height: 1.65;
    color: var(--text-muted);
    max-width: 320px;
    margin-bottom: 26px;
  }

  .pt-contact{
    display: flex;
    flex-direction: column;
    gap: 11px;
    font-size: 14.5px;
    margin-bottom: 30px;
  }

  .pt-contact-row{
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .pt-contact-row svg{
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    opacity: 0.65;
  }

  .pt-contact a, .pt-contact span{
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .pt-contact a:hover{ color: var(--accent-bright); }

  /* Newsletter */
  .pt-newsletter-label{
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
    letter-spacing: 0.3px;
  }

  .pt-newsletter{
    display: flex;
    max-width: 320px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(255,255,255,0.02);
    padding: 4px;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
  }

  .pt-newsletter:hover, .pt-newsletter:focus-within{
    border-color: var(--line-bright);
    box-shadow: 0 0 0 3px rgba(91,124,255,0.08);
  }

  .pt-newsletter input{
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--white);
    font-size: 13.5px;
    padding: 9px 12px;
  }

  .pt-newsletter input::placeholder{ color: #5b6478; }

  .pt-newsletter button{
    border: none;
    border-radius: 7px;
    padding: 0 16px;
    background: linear-gradient(135deg, var(--accent) 0%, #6c8aff 100%);
    color: white;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.2s ease, transform 0.2s ease;
  }

  .pt-newsletter button:hover{
    filter: brightness(1.1);
    transform: translateY(-1px);
  }

  /* Link columns */
  .pt-col h4{
    font-family: Arial, sans-serif;
    font-style: italic;
    font-weight: 800;
    font-size: 14.5px;
    letter-spacing: 1.5px;
    color: var(--white);
    text-transform: uppercase;
    margin-bottom: 24px;
    position: relative;
    display: inline-block;
  }

  .pt-col h4::after{
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 22px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-bright), transparent);
    border-radius: 2px;
  }

  .pt-col ul{
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 13px;
    margin-top: 30px;
  }

  .pt-col a{
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14.5px;
    transition: color 0.2s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
  }

  .pt-col a:hover{
    color: var(--white);
    transform: translateX(3px);
  }

  .pt-col a::before{
    content: "";
    width: 0px;
    height: 1px;
    background: var(--accent-bright);
    transition: width 0.2s ease;
  }

  .pt-col a:hover::before{ width: 8px; }

  .pt-col a .arrow{
    font-size: 13px;
    transform: translateY(-1px);
    color: var(--accent-bright);
  }

  /* Bottom bar */
  .pt-bottom{
    border-top: 1px solid var(--line);
    max-width: 1280px;
    margin: 0 auto;
    padding: 26px 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    position: relative;
    z-index: 1;
  }

  .pt-copyright{
    font-size: 13.5px;
    color: var(--text-muted);
  }

  .pt-copyright a{
    color: var(--accent-bright);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .pt-copyright a:hover{ color: var(--white); }

  .pt-bottom-right{
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
  }

  .pt-socials{
    display: flex;
    gap: 12px;
  }

  .pt-socials a{
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--line);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  }

  .pt-socials a:hover{
    transform: translateY(-3px);
    border-color: var(--line-bright);
    background: rgba(91,124,255,0.08);
    box-shadow: 0 6px 16px rgba(59,91,255,0.25);
  }

  .pt-socials svg{ width: 17px; height: 17px; }

  .pt-legal{
    display: flex;
    gap: 24px;
  }

  .pt-legal a{
    font-size: 13.5px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .pt-legal a:hover{ color: var(--white); }

  /* WhatsApp floating button */
  .pt-whatsapp{
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2ee370, var(--whatsapp));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37,211,102,0.45), 0 0 0 0 rgba(37,211,102,0.5);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    z-index: 50;
    animation: pt-pulse 2.6s ease-out infinite;
  }

  @keyframes pt-pulse{
    0%{ box-shadow: 0 8px 24px rgba(37,211,102,0.45), 0 0 0 0 rgba(37,211,102,0.45); }
    70%{ box-shadow: 0 8px 24px rgba(37,211,102,0.45), 0 0 0 14px rgba(37,211,102,0); }
    100%{ box-shadow: 0 8px 24px rgba(37,211,102,0.45), 0 0 0 0 rgba(37,211,102,0); }
  }

  .pt-whatsapp:hover{ transform: scale(1.07); }

  .pt-whatsapp svg{ width: 28px; height: 28px; fill: white; }

  @media (prefers-reduced-motion: reduce){
    .pt-whatsapp{ animation: none; }
  }

  /* Responsive */
  @media (max-width: 980px){
    .pt-footer-grid{
      grid-template-columns: 1fr 1fr;
      row-gap: 44px;
    }
    .pt-brand{ grid-column: 1 / -1; padding-right: 0; }
  }

  @media (max-width: 600px){
    .pt-footer{ padding: 52px 6% 0; }
    .pt-footer-grid{ grid-template-columns: 1fr; gap: 38px; }
    .pt-bottom{ flex-direction: column; align-items: flex-start; }
    .pt-bottom-right{ width: 100%; justify-content: space-between; }
    .pt-whatsapp{ width: 50px; height: 50px; bottom: 16px; right: 16px; }
    .pt-newsletter{ max-width: 100%; }
  }