* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f6f8;
  color: #17202a;
}

.container {
  width: 90%;
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 0;
}


/* HEADER */

.hero {
  margin-bottom: 30px;
}

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #667085;
}

h1 {
  font-size: 48px;
  margin: 8px 0;
  letter-spacing: -2px;
}

.subtitle {
  color: #667085;
  font-size: 18px;
  line-height: 1.5;
}


/* CARD CALCOLATORE */

.calculator-card {
  background: white;
  padding: 30px;
  border-radius: 16px;
  border: 1px solid #e4e7ec;
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 10px;
}

.input-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  padding: 0 16px;
  background: white;
}

.input-wrapper span {
  font-size: 20px;
  color: #667085;
}

input {
  width: 100%;
  border: none;
  outline: none;
  padding: 16px 10px;
  font-size: 22px;
}

button {
  width: 100%;
  margin-top: 18px;
  border: none;
  border-radius: 10px;
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  background: #17202a;
  color: white;
}

button:hover {
  opacity: 0.9;
}

.error {
  color: #b42318;
  margin-bottom: 0;
}


/* RISULTATI */

.results {
  margin-top: 24px;
}

.hidden {
  display: none;
}

.main-result {
  background: #17202a;
  color: white;
  border-radius: 16px;
  padding: 32px;
  text-align: center;
}

.main-result p {
  margin-top: 0;
  opacity: 0.8;
}

.main-result h2 {
  font-size: 48px;
  margin: 10px 0;
}

.monthly-result {
  margin-bottom: 0;
}


/* BREAKDOWN */

.breakdown {
  margin-top: 20px;
  background: white;
  padding: 28px;
  border-radius: 16px;
  border: 1px solid #e4e7ec;
}

.breakdown h3 {
  margin-top: 0;
}

.row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 11px 0;
}

.row span {
  color: #475467;
}

.row strong {
  text-align: right;
}

.negative strong::before {
  content: "- ";
}

.positive strong::before {
  content: "+ ";
}

.highlight {
  background: #f8f9fb;
  margin: 6px -12px;
  padding: 12px;
  border-radius: 8px;
}

.total {
  font-size: 17px;
}

.divider {
  height: 1px;
  background: #e4e7ec;
  margin: 10px 0;
}


/* ASSUNZIONI */

.assumptions {
  margin-top: 20px;
  padding: 22px;
  border-radius: 12px;
  background: #eef0f3;
}

.assumptions h3 {
  margin-top: 0;
  font-size: 16px;
}

.assumptions p {
  margin-bottom: 0;
  color: #475467;
  line-height: 1.6;
  font-size: 14px;
}


@media (max-width: 600px) {

  .container {
    padding: 30px 0;
  }

  h1 {
    font-size: 38px;
  }

  .main-result h2 {
    font-size: 38px;
  }

}