body {
  font-family: "Open Sans", sans-serif;
  font-optical-sizing: auto;
}
html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  scroll-behavior: smooth;
}

#home {
  margin-top: 70px;
  margin-bottom: 30px;
  scroll-margin-top: 70px;
}

/* setting container */

.container {
  width: 90%; /* Controls the width of the container */
  max-width: 1200px; /* Limits the width to prevent it from becoming too wide */
  margin: 0 auto; /* Centers the container */
  padding: 20px; /* Adds padding inside the container */
  box-sizing: border-box; /* Ensure padding is included in width calculations */
}

/* setting text */
.text-warning {
  color: #ff7e31;
}

.text-danger {
  color: #e62c03;
}

.text-success {
  color: #4caf50;
}

/* navbar setting */
.navbar {
  position: fixed; /* Make navbar fixed */
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 350px; /* Adjust padding if needed */
  background-color: #f1613c; /* Background color for the entire navbar */
  color: #fff;
  font-weight: bold;
  z-index: 1000;
  box-sizing: border-box; /* Ensure padding is included in width calculations */
}

/* Ensure the navbar-logo and menu are properly styled */
.navbar-logo a {
  text-decoration: none;
  color: #fff;
  font-size: 20px;
}

.navbar-menu {
  list-style: none;
  display: flex;
  gap: 20px;
}

.navbar-menu li {
  display: inline;
  font-size: 16px;
  margin-right: 20px;
}

.navbar-menu a {
  text-decoration: none;
  color: #fff;
}

/* Hide the navbar toggle (burger icon) on desktop */
.navbar-toggle {
  display: none;
}

/* setup home */
#landing {
  display: flex; /* Use Flexbox for layout */
  justify-content: space-between; /* Space out children */
  align-items: center; /* Center items vertically */
  padding: 20px;
  margin-top: 200px;
}

/* Tagline styles */
.tagline {
  flex: 1; /* Allow tagline to grow and shrink as needed */
  display: flex; /* Use Flexbox for tagline content */
  justify-content: flex-end; /* Align image to the right */
}

/* Ensure the image is responsive */
.tagline img {
  max-width: 90%;
  height: auto;
}

/* Home-left styles */
.home-left {
  flex: 1; /* Allow home-left to grow and shrink as needed */
  max-width: 30%; /* Adjust as needed */
  text-align: left; /* Align text to the left */
  font-weight: 600;
}

/* Styling for individual items */
.home-left .item1 h1 {
  font-size: 2em;
  margin: 0 0 10px 0;
}

.home-left .item1 .description {
  font-size: 1em;
  line-height: 1.6;
}

/* description */
#description {
  background-color: #f09c88;
  margin-top: 150px;
  scroll-margin-top: 50px;
}

#bmi-calculation {
  margin-top: 130px;
}

.calculation-slider {
  display: flex; /* Use flexbox for layout */
  justify-content: space-between; /* Distribute space between items */
}

/* Style for the left section */
.left-section {
  flex: 1; /* Take up half of the space */
  display: flex;
  flex-direction: column;
  align-items: start;
}

/* Style for the right section */
.right-section {
  flex: 1; /* Take up half of the space */
  display: flex;
  flex-direction: column;
}

/* setting button start */
.btn-start {
  background-color: initial;
  background-image: linear-gradient(-180deg, #ff7e31, #e62c03);
  border-radius: 6px;
  box-shadow: rgba(0, 0, 0, 0.1) 0 2px 4px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  height: 40px;
  line-height: 40px;
  outline: 0;
  overflow: hidden;
  padding: 0 20px;
  pointer-events: auto;
  position: relative;
  text-align: center;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  vertical-align: top;
  white-space: nowrap;
  z-index: 9;
  border: 0;
  transition: box-shadow 0.2s;
  margin-right: 10px;
}

.gender-buttons {
  display: flex;
  margin-bottom: 20px;
}

/* Male button gradient */
.male-button {
  background-image: linear-gradient(
    -180deg,
    #ec5c3c,
    #fc772d
  ); /* Red to Orange gradient */
}

/* Female button gradient */
.female-button {
  background-image: linear-gradient(
    -180deg,
    #845d9c,
    #cb3fa2
  ); /* Purple to Pink gradient */
}

.female-button:hover {
  background-color: rgba(0, 0, 0, 0.3); /* Darker backdrop on hover */
}

/* .btn-start i {
  margin-right: 8px;
} */

.btn-start:hover {
  box-shadow: rgba(253, 76, 0, 0.5) 0 3px 8px;
}

/* .calculation-slider {
  display: flex;
  flex-direction: column;
} */

.btn-calculate {
  background-color: #fc772d;
  background-image: linear-gradient(-180deg, #fc772d, #e62c03);
  border-radius: 6px;
  box-shadow: rgba(0, 0, 0, 0.1) 0 2px 4px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  height: 40px;
  line-height: 40px;
  outline: 0;
  overflow: hidden;
  padding: 0 20px;
  pointer-events: auto;
  position: relative;
  text-align: center;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  vertical-align: top;
  white-space: nowrap;
  z-index: 9;
  border: 0;
  transition: box-shadow 0.2s;
  margin-right: 10px;
}

.btn-reset {
  background-color: #ffffff;
  border: 2px solid #fc772d;
  border-radius: 6px;
  color: #fc772d;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  height: 40px;
  line-height: 40px;
  outline: 0;
  overflow: hidden;
  padding: 0 20px;
  pointer-events: auto;
  position: relative;
  text-align: center;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  vertical-align: top;
  white-space: nowrap;
  z-index: 9;
  transition: background-color 0.2s, color 0.2s;
}

.slider-value {
  margin-top: 20px;
  margin-bottom: 20px;
}

.bmi-result {
  text-align: center;
  margin-top: 30px;
  font-weight: bold;
  margin-bottom: 30px;
}

.gender {
  display: flex;
  margin-bottom: 20px;
  margin-top: 15px;
}

.gender-image {
  height: 300px;
}

.weight-input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

.weight-controls {
  position: relative;
  margin-bottom: 20px;
}

.weight-controls span {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #777;
  cursor: pointer;
}

.height-input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

.height-controls {
  position: relative;
  margin-bottom: 20px;
}

.height-controls .height-unit {
  position: absolute;
  right: 65px;
  transform: translateY(-50%);
  color: #777;
  cursor: pointer;
}

.height-controls .convert-m {
  position: absolute;
  right: 30px;
  transform: translateY(-50%);
  color: #777;
  cursor: pointer;
}

.height-controls span {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #777;
  cursor: pointer;
}

/* Style untuk container slider */
.slider {
  touch-action: none;
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  background: #ddd;
  border-radius: 5px;
  outline: none;
  opacity: 0.7;
  transition: opacity 0.15s ease-in-out;
}

.slider:hover {
  opacity: 1;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: #f25419;
  cursor: pointer;
  border-radius: 50%;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.2);
}

.bmi-result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 20px;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background-color: #f9f9f9;
}

.result-left,
.result-right {
  text-align: center;
}

.result-left {
  margin-right: 10px;
}

.result-right {
  margin-left: 10px; /* Jarak antara elemen kiri dan kanan */
}

.button-container {
  grid-column: span 2; /* Mengatur tombol untuk mengambil dua kolom penuh */
  display: flex;
  justify-content: center; /* Menyelaraskan tombol di tengah secara horizontal */
}

.btn-detail {
  background-color: #fc772d;
  border: none;
  border-radius: 6px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  height: 40px;
  line-height: 40px;
  padding: 0 20px;
  text-align: center;
  transition: background-color 0.3s, box-shadow 0.3s;
}

.btn-detail:hover {
  background-color: #e62c03;
}

.detail-container {
  display: none;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 20px;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background-color: #f9f9f9;
  margin-top: 20px;
  margin-bottom: 20px;
}

/* footer */
.footer {
  background-color: #333;
  color: #fff;
  padding: 20px;
  text-align: center;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-links {
  margin-top: 10px;
}

.footer-links a {
  color: #fc772d;
  text-decoration: none;
  margin: 0 10px;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* mobile */
@media (max-width: 768px) {
  /* navbar setting */
  .navbar {
    background-color: #f1613c; /* Background color of the navbar */
    padding: 10px 20px; /* Add padding for better spacing */
    z-index: 1000; /* Ensure the navbar is above other content */
    width: 100%; /* Ensure navbar takes full width */
    box-sizing: border-box; /* Include padding and border in the element's total width and height */
    position: fixed; /* Fixed position to keep the navbar in view */
  }

  .navbar-logo a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
  }

  .navbar-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
  }

  .navbar-menu {
    display: flex;
    flex-direction: column;
    width: 100%;
    background-color: #f1613c;
    position: absolute;
    top: 50px;
    left: 0;
  }

  .navbar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
  }

  .navbar-menu.active {
    max-height: 300px;
    opacity: 1;
  }

  .navbar-menu li {
    margin: 5px 0;
    text-align: center;
  }

  .navbar-toggle {
    display: block;
    color: #fff;
    font-size: 24px;
  }

  .container {
    width: 90%;
  }

  #home {
    margin-top: 10px;
    margin-bottom: 20px;
    scroll-margin-top: 70px;
  }

  #description {
    scroll-margin-top: 50px;
  }

  .tagline img {
    max-width: 100%;
    margin-top: 30px;
  }

  #landing {
    flex-direction: column;
    align-items: center;
  }

  .tagline,
  .home-left {
    max-width: 100%; /* Full width on mobile */
  }

  .item1 {
    display: flex;
    flex-direction: column;
  }

  .item1 h1 {
    margin: 5px 0;
    font-size: 2em;
    font-weight: bold;
  }

  .item1 p {
    margin: 10px 0;
    font-weight: 600;
    line-height: 1.6;
    color: #333;
    max-width: 700px;
  }

  /* setting button start in smaller device */
  .btn-start {
    height: 40px;
    max-width: 300px;
    width: auto;
    font-size: 16px;
    text-align: center;
    display: block;
    margin-top: 10px;
  }

  #bmi-calculation {
    margin-top: 20px;
    scroll-margin-top: 20px;
  }

  .calculation-slider {
    flex-direction: column;
  }

  .calculation-slider h1 {
    font-size: 2em;
  }

  .gender {
    display: flex;
    margin-bottom: 20px;
  }

  .gender-image {
    height: 300px;
  }

  .image-wrapper {
    display: flex;
    justify-content: center;
  }

  .weight,
  .height {
    margin-top: 20px;
  }

  .weight-input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
  }

  .weight-controls {
    position: relative;
    margin-bottom: 20px;
  }

  .weight-controls span {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #777;
    cursor: pointer;
  }

  .height-input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
  }

  .height-controls {
    position: relative;
    margin-bottom: 20px;
  }

  .height-controls .height-unit {
    position: absolute;
    right: 65px;
    transform: translateY(-50%);
    color: #777;
    cursor: pointer;
  }

  .height-controls .convert-m {
    position: absolute;
    right: 30px;
    transform: translateY(-50%);
    color: #777;
    cursor: pointer;
  }

  .height-controls span {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #777;
    cursor: pointer;
  }

  /* Style untuk container slider */
  .slider {
    touch-action: none;
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    background: #ddd;
    border-radius: 5px;
    outline: none;
    opacity: 0.7;
    transition: opacity 0.15s ease-in-out;
  }

  .slider:hover {
    opacity: 1;
  }

  .slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #f25419;
    cursor: pointer;
    border-radius: 50%;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.2);
  }

  .bmi-result {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #f9f9f9;
  }

  .result-left,
  .result-right {
    text-align: center;
  }

  .result-left {
    margin-right: 10px;
  }

  .result-right {
    margin-left: 10px; /* Jarak antara elemen kiri dan kanan */
  }

  .button-container {
    grid-column: span 2; /* Mengatur tombol untuk mengambil dua kolom penuh */
    display: flex;
    justify-content: center; /* Menyelaraskan tombol di tengah secara horizontal */
  }

  .btn-detail {
    background-color: #fc772d;
    border: none;
    border-radius: 6px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    height: 40px;
    line-height: 40px;
    padding: 0 20px;
    text-align: center;
    transition: background-color 0.3s, box-shadow 0.3s;
  }

  .btn-detail:hover {
    background-color: #e62c03;
  }

  .detail-container {
    display: none;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #f9f9f9;
    margin-top: 20px;
  }

  .footer {
    margin-top: 50px; /* Jarak atas footer */
    background-color: #333; /* Warna latar belakang footer */
    color: #fff; /* Warna teks */
    padding: 20px;
    text-align: center; /* Teks berada di tengah */
  }

  .footer-content {
    max-width: 600px; /* Lebar maksimal untuk footer content */
    margin: 0 auto; /* Pusatkan footer content */
  }

  .footer-links {
    margin-top: 10px; /* Jarak di atas link */
  }

  .footer-links a {
    color: #fc772d; /* Warna link sesuai color palette */
    text-decoration: none; /* Hilangkan garis bawah link */
    margin: 0 10px; /* Jarak horizontal antara link */
  }

  .footer-links a:hover {
    text-decoration: underline; /* Garis bawah saat hover */
  }
}