/* style.css */

/* Base styles and mobile-first responsiveness */
body {
  font-family: 'Gantari', sans-serif;
  background-color: #f6f6f6;
  margin: 0;                   /* Remove horizontal padding to let container center */
  padding: 20px 0;             /* Top/bottom breathing space */
  color: #212225;
}

.container {
  width: 90%;                  /* English comment: allow breathing space on mobile */
  max-width: 500px;            /* fixed max width as in the original */
  margin: 20px auto;           /* English comment: center horizontally with vertical spacing */
  background: #fff;
  padding: 20px;               /* base padding */
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  border-top: 6px solid #FFD908;
}

.logo {
  display: block;
  max-width: 140px;            /* English comment: slightly smaller on mobile */
  margin: 0 auto 20px;
}

h1 {
  text-align: center;
  color: #212225;
  font-size: 1.4rem;           /* base font size */
  margin-bottom: 20px;
}

label {
  display: block;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
}

select,
.btn-calc,
.btn-demo {
  width: 100%;
  padding: 10px;               /* base padding */
  margin-top: 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 1rem;
  font-family: inherit;
  box-sizing: border-box;
}

/* Primary calculate button */
.btn-calc {
  background-color: #FFD908;
  color: #212225;
  border: none;
  cursor: pointer;
  font-weight: bold;
  margin-top: 24px;
  transition: background-color 0.2s ease-in-out;
}
.btn-calc:hover {
  background-color: #e6c500;
}

/* Demo button (injected by JS) */
.btn-demo {
  background-color: #000;
  color: #fff;
  border: none;
  cursor: pointer;
  font-weight: bold;
  margin-top: 16px;
  transition: opacity 0.2s ease-in-out;
}
.btn-demo:hover {
  opacity: 0.8;
}

/* Result container */
#resultat {
  margin-top: 30px;
  padding: 20px;
  background: #fef9e9;
  border: 1px solid #FFD908;
  border-radius: 8px;
  text-align: center;
}

.ca-gain {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 10px;
}
.ca-gain span {
  display: block;
  font-size: 1rem;
  font-weight: normal;
  margin-top: 6px;
  color: #555;
}
.disclaimer {
  font-size: 0.85rem;
  color: #666;
  margin-top: 20px;
  line-height: 1.5;
}

/* Breakpoint SM (≥576px) */
@media (min-width: 576px) {
  .container {
    padding: 24px;            /* English comment: more breathing room */
  }
  h1 {
    font-size: 1.6rem;
  }
  select, .btn-calc, .btn-demo {
    padding: 12px;
    font-size: 1rem;
  }
}

/* Breakpoint MD (≥768px) */
@media (min-width: 768px) {
  .container {
    padding: 28px;
  }
  h1 {
    font-size: 1.8rem;
  }
  select, .btn-calc, .btn-demo {
    padding: 14px;
    font-size: 1.05rem;
  }
}

/* Breakpoint LG (≥992px) */
@media (min-width: 992px) {
  .container {
    padding: 32px;
  }
  h1 {
    font-size: 2rem;
  }
  select, .btn-calc, .btn-demo {
    padding: 16px;
    font-size: 1.1rem;
  }
}

/* Breakpoint XL (≥1200px) */
@media (min-width: 1200px) {
  .container {
    padding: 36px;
  }
  h1 {
    font-size: 2.2rem;
  }
  select, .btn-calc, .btn-demo {
    padding: 18px;
    font-size: 1.15rem;
  }
}