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

body {
  min-height: 100vh;
  font-family: "Inter", system-ui, sans-serif;
  background: linear-gradient(
    1deg,
    rgba(40, 50, 120, 1) 0%,
    rgba(120, 90, 180, 1) 20%,
    rgba(255, 150, 110, 1) 40%,
    rgba(220, 110, 150, 1) 60%,
    rgba(120, 90, 180, 1) 80%,
    rgba(40, 50, 120, 1) 100%
  );
  display: flex;
  flex-direction: column;
}
main {
  flex: 1; 
  display: flex;
  justify-content: center;
  padding: 80px 20px;
}

/* Ana kapsayıcı */
.group {
  width: 100%;
  max-width: 700px;
  margin-top: 3rem;
  padding: 3rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 25px 60px rgba(0,0,0,0.4);
}

/* Başlık */
.main-title {
  text-align: center;
  margin-bottom: 2rem;
}

.title {
  font-size: 2.6rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 1px;
}

.not {
  display: block;
  margin-top: 8px;
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
}

/* Budget Kartları */
.budget h2 {
  color: #fff;
  margin-bottom: 1rem;
  font-weight: 500;
}

.budget-con {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.budget-type {
  flex: 1;
  padding: 1.2rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  transition: 0.3s ease;
  cursor: pointer;
}

.budget-type h3 {
  color: #fff;
  font-weight: 600;
  margin-bottom: 6px;
}

.budget-type span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

.budget-type:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-4px);
}

/* Form Alanı */
.calculation {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

.calculation label {
  color: #fff;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

select,
input[type="number"] {
  padding: 0.8rem;
  border-radius: 10px;
  border: none;
  background: rgba(255,255,255,0.1);
  color: #fff;
  outline: none;
}

select option {
  color: black;
}

.calculate {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  color: #fff;
  font-size: 0.9rem;
}

/* Buton */
button {
  width: 100%;
  padding: 0.9rem;
  border-radius: 12px;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  background: linear-gradient(
    90deg,
    #ff9670,
    #dc6e96,
    #785ab4
  );
  color: #fff;
  transition: 0.3s ease;
}

button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

/* Sonuç Alanı */
.offer-result {
  margin-top: 2rem;
  padding: 1.2rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-weight: 500;
  text-align: center;

  opacity: 0;
  transform: translateY(20px) scale(0.98);
  transition: all 0.5s ease;
  backdrop-filter: blur(10px);
}

/* Aktif olunca */
.offer-result.active {
  opacity: 1;
  transform: translateY(0) scale(1);
}


/* Anasayfa  ve iletişim*/
.page-buttons {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.ana-btn {
  padding: 0.9rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 500;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  background: transparent;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.ana-btn:hover {
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  background: rgba(255, 210, 170, 0.2);
  border-color: rgba(255, 210, 170, 1); 
}

.ilet-btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  border: 2px solid rgba(255, 210, 170, 0.6);
  text-decoration: none;
  font-weight: 500;
  color: #fff;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.ilet-btn:hover {
box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  background: rgba(255, 210, 170, 0.2);
  border-color: rgba(255, 210, 170, 1);
}

footer {
  text-align: center;
  padding: 25px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}
/*Resposive*/
@media (max-width: 900px) {
  .group {
    padding: 2.5rem;
  }

  .budget-con {
    flex-direction: column;
  }

  .page-buttons {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 600px) {
  .group {
    padding: 2rem 1.5rem;
  }

  .title {
    font-size: 2rem;
  }

  button,
  .primary-btn,
  .secondary-btn {
    width: 100%;
    text-align: center;
  }
}