:root{
  --brand-red: #004cae;
  --brand-red-2: #2a6fd6;
  --brand-gray:#606061;
  --brand-gray-2:#838183;
  --brand-soft:#F6F2F1;
  --card:#ffffff;
  --stroke: rgba(96,96,97,.18);
}

/* body{
  font-family: 'Segoe UI', system-ui, sans-serif;
  margin:0;
  padding:40px;
  color: var(--brand-gray);
  background: linear-gradient(135deg, var(--brand-soft), #ffffff);
} */

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    margin: 0;
    padding: 60px 20px;
    color: var(--brand-gray);

    background:
        linear-gradient(180deg, rgba(185,38,56,0.05) 0%, rgba(255,255,255,0.95) 30%),
        url('../assets/bg-tech.png');

    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.container{ max-width: 720px; margin:auto; }

.card{
  background: var(--card);
  padding: 28px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  box-shadow: 0 12px 30px rgba(0,0,0,.08);
  margin-bottom: 18px;
}

.header{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom: 14px;
}
.header img{
  height: 44px;
  width:auto;
}
h1{ margin:0; font-weight: 750; letter-spacing: .2px; }
h2{ margin:0 0 10px; font-weight: 750; }

label{ display:block; margin: 14px 0 8px; color: var(--brand-gray-2); font-size: 13px; }

.input-group{
  display:flex;
  align-items:center;
  gap:10px;
  background:#fff;
  border:1px solid var(--stroke);
  border-radius: 10px;
  padding: 12px 12px;
}

.input-group span{ color: var(--brand-gray-2); font-weight: 700; }
input{
  border:none;
  background:transparent;
  color: var(--brand-gray);
  font-size: 18px;
  width:100%;
  outline:none;
}

button{
  width:100%;
  margin-top: 14px;
  padding: 12px 14px;
  border:none;
  border-radius: 10px;
  color:#fff;
  font-size: 16px;
  font-weight: 700;
  cursor:pointer;
  background: linear-gradient(90deg, var(--brand-red), var(--brand-red-2));
  box-shadow: 0 10px 22px rgba(0, 76, 174, 0.25);
  transition: transform .12s ease, filter .2s ease;
}
button:hover{ filter: brightness(1.03); }
button:active{ transform: translateY(1px); }

.results{ animation: fadeIn .25s ease-in-out; }

.result-item{
  display:flex;
  justify-content:space-between;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(96,96,97,.22);
}
.result-item:last-child{ border-bottom:none; }

.highlight strong{
  color: var(--brand-red);
  font-size: 18px;
}

@keyframes fadeIn{
  from{ opacity:0; transform: translateY(8px); }
  to{ opacity:1; transform: translateY(0); }
}