/* ===== Global Reset and Base Styles ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: "Raleway", sans-serif;
  -webkit-font-smoothing: antialiased;
  background-image: url("../images/dna_Page-bg.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  color: #ffffff;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: "Exo", sans-serif;
  font-weight: 400;
}

/* ===== Navigation ===== */
.wrapper {
  margin: 0 auto;
  padding: 0 6.66vw;
  overflow: hidden;
}

.navigation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 26px 0 17px;
}

.navigation__logo-container {
  display: flex;
  align-items: center;
}

.navigation__logo-text {
  text-decoration: none;
  color: #ffffff;
}

.navigation__logo-image {
  width: 60px;
  height: 60px;
}

.navigation__logo-title {
  font-size: 1.5rem;
  font-weight: 400;
  font-family: "Exo", sans-serif;
}

.navigation__nav-container {
  position: relative;
  border-radius: 50px;
}

.navigation__nav-container::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: linear-gradient(90deg, #00cbff 0%, #ff6200 100%);
  border-radius: 50px;
  z-index: 0;
}

.navigation__nav {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 56px;
  border-radius: 50px;
  background: rgba(10, 19, 32, 1);
  z-index: 1;
  position: relative;
}

.navigation__nav-list {
  list-style: none;
  display: flex;
  padding: 8px 10px;
}

.navigation__nav-link {
  text-decoration: none;
  font-size: 1rem;
  color: #ffffff;
  padding: 10px 16px;
  position: relative;
}

.navigation__nav-link:hover::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 50px;
  background-color: #0e1826;
  z-index: -1;
}

.navigation__btn-container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 2.29vw;
}

.navigation__link {
  font-size: 1.12rem;
  color: #ffffff;
  text-decoration: none;
}

.navigation__button-trial {
  border: 1.5px solid #ffffff;
  border-radius: 50px;
  padding: 14px 32px;
  background: transparent;
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  font-size: inherit;
}

.navigation__button-trial:hover {
  background: linear-gradient(277.59deg, #ff6200 7.17%, #00baff 92.47%);
}

/* ===== Internship Application Form ===== */
.header__container {
  padding-top: 2rem;
  margin-bottom: 2rem;
}

.h2-internship-application {
  color: #fff;
  font-family: "Exo", sans-serif;
  font-weight: 400;
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
}

.subheader {
  text-align: center;
  margin-bottom: 2rem;
}

.p-internship-application {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.form-container {
  max-width: 50rem;
  margin: 0 auto;
  padding: 2rem;
  background: rgba(14, 24, 38, 0.3);
  border-radius: 1rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.input-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  width: 100%;
}

.input-container {
  flex: 1;
  position: relative;
}

.input-container.full-width {
  flex: 1;
}

.input-row .input-container.full-width {
  width: 100%;
}

.required-field {
  position: relative;
}

.input-internship-application {
  background: #2f3948;
  border: 2px solid transparent;
  border-radius: 1.78rem;
  box-shadow: -0.375rem 0.375rem 1.375rem 0px rgba(0, 0, 0, 0.3);
  color: white;
  font-size: 1rem;
  font-family: "Raleway", sans-serif;
  height: 4rem;
  outline: none;
  padding: 0 1.5rem;
  width: 100%;
  transition: all 0.3s ease;
}

.input-internship-application::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.input-internship-application:hover {
  background: #4a515d;
  border-color: rgba(255, 255, 255, 0.2);
}

.input-internship-application:focus {
  background: #4a515d;
  border-color: #ff6200;
  box-shadow: 0 0 0 3px rgba(255, 98, 0, 0.1);
}

.dropdown {
  appearance: none;
  background-image: url("../images/dna_Vector.svg");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.2em;
  padding-right: 3rem;
  cursor: pointer;
}

.required-asterisk {
  color: #ff4444;
  font-weight: bold;
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 1.2em;
  z-index: 2;
}

.multiple-choice {
  color: white;
  font-family: "Raleway", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0;
  text-align: center;
}

.question-para {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.radio-options {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.radio-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  transition: background-color 0.3s ease;
}

.radio-label:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.yes-no-text {
  margin-left: 0.75rem;
  font-weight: 500;
}

input[type="radio"] {
  appearance: none;
  border: 2px solid #fff;
  cursor: pointer;
  display: inline-block;
  height: 1.25rem;
  width: 1.25rem;
  position: relative;
  border-radius: 50%;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

input[type="radio"]:hover {
  border-color: #ff6200;
  box-shadow: 0 0 0 2px rgba(255, 98, 0, 0.2);
}

input[type="radio"]:checked {
  border-color: #ff6200;
}

input[type="radio"]:checked::before {
  background-color: #ff6200;
  border-radius: 50%;
  content: "";
  height: 0.75rem;
  width: 0.75rem;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.submit-button {
  background: linear-gradient(135deg, #ff6200, #ff8533);
  border: none;
  border-radius: 1.78rem;
  box-shadow: 0 0.5rem 1.5rem rgba(255, 98, 0, 0.3);
  color: white;
  font-size: 1.25rem;
  font-weight: 600;
  font-family: "Raleway", sans-serif;
  height: 4rem;
  margin: 2rem auto 0;
  outline: none;
  padding: 1rem 3rem;
  width: 100%;
  max-width: 20rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: block;
}

.submit-button:hover {
  background: linear-gradient(135deg, #e55a00, #ff6200);
  transform: translateY(-2px);
  box-shadow: 0 0.75rem 2rem rgba(255, 98, 0, 0.4);
}

.submit-button:active {
  transform: translateY(0);
}

/* ===== Footer ===== */
.footer {
  background: rgba(14, 24, 38, 0.6);
  border-top-left-radius: 50px;
  border-top-right-radius: 50px;
  margin-top: 4rem;
}

.footer__bottom {
  text-align: center;
  background: linear-gradient(90deg, #00cbff 0%, #ff6200 100%);
  padding: 1rem 0;
}

.footer__bottom-text {
  font-size: 0.87rem;
  font-weight: 400;
  line-height: 1rem;
  color: white;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .wrapper {
    padding: 0 4vw;
  }
  
  .navigation {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .navigation__nav-container,
  .navigation__btn-container {
    justify-self: center;
  }
  
  .navigation__nav-list {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .form-container {
    margin: 1rem;
    padding: 1.5rem;
  }
  
  .input-row {
    flex-direction: column;
    gap: 1rem;
  }
  
  .h2-internship-application {
    font-size: 2rem;
  }
  
  .radio-options {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .multiple-choice {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .h2-internship-application {
    font-size: 1.5rem;
  }
  
  .p-internship-application {
    font-size: 1rem;
  }
  
  .form-container {
    margin: 0.5rem;
    padding: 1rem;
  }
  
  .navigation__logo-title {
    font-size: 1.2rem;
  }
  
  .navigation__nav-link {
    font-size: 0.9rem;
    padding: 8px 12px;
  }
}