/* ================= RESET ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

/* ================= BODY (FULL SCREEN) ================= */
body {
  background: linear-gradient(135deg, #0d47a1, #001f3f);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ================= CONTAINER (FULL SCREEN CARD) ================= */
.container {
  background: #ffffff;
  width: 100%;
  max-width: none;
  padding: 50px 60px;
  border-radius: 0;
  box-shadow: none;
  text-align: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ================= HEADINGS ================= */
.container h1 {
  color: #0d47a1;
  font-size: 34px;
  margin-bottom: 10px;
}

.container h2 {
  color: #333;
  margin-bottom: 30px;
  font-size: 24px;
}

/* ================= FORM ================= */
form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 600px;
  margin: 0 auto;
}

/* ================= INPUTS ================= */
input {
  padding: 20px;
  border-radius: 14px;
  border: 1px solid #ccc;
  font-size: 18px;
}

input:focus {
  outline: none;
  border-color: #0d47a1;
}

/* ================= FILE INPUT ================= */
input[type="file"] {
  padding: 16px;
  background: #f4f6f8;
  cursor: pointer;
  font-size: 16px;
}

/* ================= BUTTON (BIG) ================= */
button {
  margin-top: 15px;
  padding: 22px;
  border: none;
  border-radius: 16px;
  background: #0d47a1;
  color: #fff;
  font-size: 22px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s ease;
}

button:hover {
  background: #06357a;
  transform: translateY(-2px);
}

/* ================= TEXT & LINKS ================= */
p {
  margin-top: 25px;
  font-size: 18px;
}

a {
  color: #0d47a1;
  font-weight: bold;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ================= MESSAGE ================= */
#message {
  margin-top: 18px;
  font-weight: bold;
  font-size: 18px;
}

/* ================= TABLET ================= */
@media (max-width: 768px) {
  .container {
    padding: 40px 30px;
  }

  form {
    max-width: 100%;
  }
}

/* ================= MOBILE ================= */
@media (max-width: 480px) {

  body {
    padding: 0;
  }

  .container {
    padding: 35px 22px;
  }

  .container h1 {
    font-size: 30px;
  }

  .container h2 {
    font-size: 22px;
  }

  input {
    font-size: 18px;
    padding: 18px;
  }

  button {
    font-size: 21px;
    padding: 20px;
    border-radius: 14px;
  }

  p,
  a,
  #message {
    font-size: 17px;
  }
}