/* ========== Body (light) ========== */
body {
    background: linear-gradient(180deg, #e8f4ff, #ffffff);
    color: #111827;
    display: flex;
    flex-direction: column;
    margin: 0;
    min-height: 100vh;
}
/* ========== Body (light) ========== */
/* ========== Hyper Links (light) ========== */
a {
  color: #2563eb; /* nice readable blue */
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover {
  color: #3b82f6;
  text-decoration: underline;
}
/* ========== Hyper Links (light) ========== */
/* ========== Navigation (light) ========== */
nav.nav {
    align-items: center;
    background: linear-gradient(90deg, #1f2937ee, #111827ee);
    box-shadow: 0 2px 6px rgb(116, 136, 162);
    display: flex; 
    flex-direction: row; 
    justify-content: space-between; 
    padding: 15px 10%;
}
img.nav{
    height: 80px;
    width: auto;
}
img.nav:hover {
    transform: scale(1.10);
    transition: transform 0.3s ease-in-out;
}
ul.nav{
    display: flex;
    flex-direction: row;
    gap: 20px;
    padding: 0 10px 0 0;
}
li.nav{
    list-style: none;
}
li.nav a {
    display: inline-block;
    text-decoration: none;
    color: #d2e9ff;
    font-weight: 500;
    transition: color 0.3s ease-in-out, border-bottom 0.3s ease-in-out;
}
li.nav a:hover {
    color: #3b82f6;
    border-bottom: 2px solid #3b82f6;

}
/* ========== Navigation (light) ========== */
/* ========== Header (light) ========== */
header {
    background: linear-gradient(135deg, #ffffff, #eaf5ff);
    box-shadow: 0 2px 6px 0 rgb(116, 136, 162);
    display: flex;
    flex-direction: column;
    margin: 30px 10%;
    padding: 20px;
    border-radius: 10px;
}
/* ========== Header (light) ========== */
/* ========== Main (light) ========== */
main {
    background: linear-gradient(135deg, #ffffff, #eaf5ff);
    display: flex;
    flex: 1;
    flex-direction: column;
    margin: 0 10% 30px 10%;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgb(116, 136, 162);
}
/* ========== Main (light) ========== */
/* ========== Footer (light) ========== */
footer {
    align-items: center;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    background: linear-gradient(90deg, #1f2937ee, #111827ee);
    text-align: center;
    padding: 5px 10%;
    font-size: 0.8rem;
}
div.footer{
    color: #d2e9ff;
}
ul.footer{
    align-items: center;
    display: flex;
    flex-direction: row;
    gap: 20px;
}
li.footer{
    list-style: none;
    display: flex;
    align-items: center;
}
svg.footer {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    color: #d2e9ff;
    transition: transform 0.3s ease-in-out, color 0.3s ease-in-out;
}
li.footer a:hover svg {
    transform: scale(1.2);
    color: #3b82f6;
}
.language_button a {
    color: #d2e9ff;
}
.language_button a:hover {
  color: #3b82f6;
  text-decoration: underline;
}
/* ========== Footer (light) ========== */
/* ========== Contact Form (light) ========== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 80%;
    max-width: 600px;
    margin: 20px auto;
    padding: 20px 20px;
    background: linear-gradient(135deg, #ffffff, #eaf5ff);
    box-shadow: 0 2px 6px 0 rgb(116, 136, 162);
    border-radius: 10px;
}
.contact-form .form-row {
    display: flex;
    flex-direction: column;
}
.contact-form label {
    font-weight: 500;
    margin-bottom: 5px;
    color: #000000;
}
.contact-form input,
.contact-form textarea {
    padding: 10px;
    border: 1px solid #d2e9ff;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}
.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #3b82f6;
    outline: none;
    box-shadow: 0 2px 6px 0 #3b82f6;
}
.contact-form button {
    padding: 12px;
    background-color: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
}
.contact-form button:hover {
    background-color: #2563eb;
    transform: scale(1.05);
}
/* ========== Contact Form (light) ========== */
/* ========== Download Button (light) ========== */
.download-btn {
    display: inline-block;
    width: 200px;
    margin: 20px auto;
    padding: 10px 20px;
    background: linear-gradient(90deg, #3b82f6, #2563eb);
    color: #fff;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: transform 0.2s ease, background 0.3s ease;
}
.download-btn:hover {
    transform: scale(1.05);
    background: linear-gradient(90deg, #2563eb, #1d4ed8);
}
/* ========== Download Button (light) ========== */
/* ========== Download Button Disabled (light) ========== */
.download-btn.disabled {
    background: #757575;
    color: #dbdbdb;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
    transform: none;
}
/* ========== Download Button Disabled (light) ========== */





/* ========== Mode Switch ========== */
.switchbox {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 22px;
}
.switchbox input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #d2e9ff;
    transition: 0.5s;
    border-radius: 30px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.5s;
    border-radius: 50%;
    box-shadow: 0 1px 3px #3b82f6;
}
input:checked + .slider {
    background-color: #3b82f6;
}
input:checked + .slider:before {
    transform: translateX(20px);
}
.switchbox .slider:hover {
    box-shadow: 0 2px 6px #3b82f6;
}
/* ========== Mode Switch ========== */





/* ========== Body (dark) ========== */
body.darkmode {
    background: linear-gradient(180deg, #111827, #1f2937);
    color: #c2e1ff;
}
/* ========== Body (dark) ========== */
/* ========== Hyper Links (light) ========== */
body.darkmode a {
  color: #60a5fa;
}
body.darkmode a:hover {
  color: #93c5fd;
}
/* ========== Hyper Links (light) ========== */
/* ========== Navigation (dark) ========== */
body.darkmode nav.nav {
    background: linear-gradient(90deg, #111827, #000000);
    box-shadow: 0 2px 6px rgb(29, 47, 68);
}
li.nav a {
    color: #c2e1ff;
    transition: color 0.3s ease-in-out, border-bottom 0.3s ease-in-out;
}
li.nav a:hover {
    color: #3b82f6;
    border-bottom: 2px solid #3b82f6;
}
/* ========== Navigation (dark) ========== */
/* ========== Header (dark) ========== */
body.darkmode header {
    background: linear-gradient(135deg, #1f2937, #111827);
    box-shadow: 0 2px 6px rgb(29, 47, 68);
    color: white;
}
/* ========== Header (dark) ========== */
/* ========== Main (dark) ========== */
body.darkmode main {
    background: linear-gradient(135deg, #1f2937, #111827);
    box-shadow: 0 2px 6px rgb(29, 47, 68);
    color: white;
}
/* ========== Main (dark) ========== */
/* ========== Footer (dark) ========== */
body.darkmode footer {
    background: linear-gradient(90deg, #111827, #000000);
    box-shadow: 0 2px 6px rgb(29, 47, 68);
    color: #c2e1ff;
}
/* ========== Footer (dark) ========== */
/* ========== Contact Form (dark) ========== */
body.darkmode .contact-form {
    background: linear-gradient(135deg, #1f2937, #111827);
    box-shadow: 0 2px 6px rgb(29, 47, 68);
}
body.darkmode .contact-form label {
    color: white;
}
body.darkmode .contact-form input,
body.darkmode .contact-form textarea {
    background: linear-gradient(135deg, #2d3847, #252d3f);
    box-shadow: 0 2px 6px rgb(29, 47, 68);
    border: #111827;
    color: white;
}
body.darkmode .contact-form input:focus,
body.darkmode .contact-form textarea:focus {
    border-color: #3b82f6;
    outline: none;
    box-shadow: 0 2px 6px 0 #3b82f6;
}
body.darkmode .contact-form button {
    padding: 12px;
    background-color: #3b82f6;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
}
body.darkmode .contact-form button:hover {
    background-color: #2563eb;
    transform: scale(1.05);
}
body.darkmode .language_button a {
    color: #c2e1ff;
}
body.darkmode .language_button a:hover {
    color: #3b82f6;
}
/* ========== Contact Form (dark) ========== */
/* ========== Download Button (light) ========== */
body.darkmode .download-btn {
    background: linear-gradient(90deg, #3b82f6, #1a5be8);
    color: #ffffff;
    box-shadow: 0 2px 6px 0 #3b82f6;
    transition: transform 0.2s ease, background 0.3s ease;
}
body.darkmode .download-btn:hover {
    transform: scale(1.05);
    background: linear-gradient(90deg, #2563eb, #1d5ce6);
}
/* ========== Download Button (light) ========== */
/* ========== Download Button Disabled (light) ========== */
body.darkmode .download-btn.disabled {
    background: #757575;
    color: #dbdbdb;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
    transform: none;
}
/* ========== Download Button Disabled (light) ========== */