/*
        interstellar_development website
        Copyright (C) 2024 interstellar_development

        This program is free software: you can redistribute it and/or modify
        it under the terms of the GNU Affero General Public License as
        published by the Free Software Foundation, either version 3 of the
        License, or (at your option) any later version.

        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU Affero General Public License for more details.

        You should have received a copy of the GNU Affero General Public License
        along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

:root {
  --background-color: #0b0c1d;
  --text-color: #c7d5e0;
  --accent-color: #ffdd55;
  --accent-hover-color: #ffd700;
  --dark-blue: rgba(31, 42, 64, 1);
  --dark-blue-translucent: rgba(31, 42, 64, 0.9);
  --light-blue: rgba(46, 58, 95, 0.8);
  --border-radius: 8px;
  --transition-speed: 0.3s;
  --box-shadow: 0 2px 15px rgba(0, 0, 0, 0.7);
  --font-size-large: 2.5em;
  --font-size-medium: 1.8em;
}

/* Reset and normalize */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Body styling */
body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: "Arial", sans-serif;
  line-height: 1.6;
  padding: 0 20px;
  background: url("images/star.jpg") no-repeat center center fixed;
  background-size: cover;
}

/* Header Styling */
/* Header Styling */
header {
  background-color: var(--dark-blue);
  height: 5em;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  padding: 15px 20px;
  box-shadow: var(--box-shadow);
  backdrop-filter: blur(5px);
  z-index: 100;
  margin-bottom: 0px;
}

/* Burger Menu Styling */
.burger-menu {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.8em;
  cursor: pointer;
  display: block;
  padding: 0;
  z-index: 110;
}

/* Dropdown Menu (Hidden by Default) */
.div-menu {
  z-index: 1;
  background-color: var(--light-blue);
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  padding: 0;
  margin-top: 0px;
  height: auto;
}

.div-menu li {
  margin: 0;
  padding: 1em;
  z-index: 1;
}

.div-menu a {
  width: 100%;
  padding: 8px 0;
  text-align: center;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  display: block;
}

.div-menu a:hover {
  background-color: #34495e;
}

/* Menu Animation and Styling */
.menu {
  display: flex;
  flex-direction: column;
  background-color: var(--light-blue);
  position: absolute;
  top: -50vh;
  left: 0;
  width: 100%;
  z-index: 5;
  padding: 0;
  margin: 0;
  list-style: none;
  justify-content: center;
  text-align: center;
  font-weight: bolder;
  font-size: large;
  transition: top 0.5s ease-in-out;
}

.menu.active {
  display: flex;
  top: 4em;
  z-index: 5;
}

/* Header Content Container */
.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  z-index: 10;
}

/* Project Name Styling */
.project-name {
  font-size: 2em;
  color: var(--accent-color);
  text-decoration: none;
  transition: color var(--transition-speed), text-shadow var(--transition-speed);
}

.project-name:hover {
  color: var(--accent-hover-color);
  text-shadow: 0 0 10px var(--accent-hover-color);
}

/* Article styling */
article {
  max-width: 800px;
  margin: 6.25em auto;
  padding: 20px;
  background-color: var(--dark-blue-translucent);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  backdrop-filter: blur(5px);
}

article h1 {
  font-size: var(--font-size-large);
  margin-bottom: 20px;
  color: var(--accent-color);
  text-shadow: 0 0 15px var(--accent-color);
}

article p {
  color: var(--text-color);
  margin-bottom: 20px;
  hyphens: auto;
}

/* Download list */
article h2 {
  font-size: var(--font-size-medium);
  margin: 20px 0 10px;
  color: var(--accent-color);
  text-shadow: 0 0 10px var(--accent-color);
}

article ul {
  list-style-type: none;
  padding: 0;
}

article ul a li {
  background-color: var(--light-blue);
  margin-bottom: 10px;
  border-radius: var(--border-radius);
  padding: 10px;
  transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

article ul a li:hover {
  background-color: rgba(68, 80, 124, 0.9);
  box-shadow: 0 0 10px var(--accent-color);
}

article ul a li{
  text-decoration: none;
  color: var(--accent-color);
  font-weight: bold;
}

/* Footer styling */
footer {
  background-color: var(--dark-blue);
  padding: 10px 20px;
  color: var(--text-color);
  width: 100%;
  position: fixed;
  bottom: 0;
  left: 0;
  box-shadow: 0 -2px 15px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.footer-content {
  text-align: center;
  font-size: 0.9em;
}

/* Card container styles */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* Display 3 cards per line */
  gap: 20px;
  margin-top: 50px;
}

/* Ensure the <a> tag covers the entire card */
section .card a {
  display: flex; /* Use flex to make <a> fill the card and align content */
  flex-direction: column;
  justify-content: center; /* Vertically center the content */
  align-items: center; /* Horizontally center the content */
  text-decoration: none;
  color: inherit;
  height: 100%;
  width: 100%;
  padding: 20px; 
}

/* Card styles */
section .card {
  text-align: center;
  list-style: none;
  background: linear-gradient(180deg, rgba(0, 0, 50, 0.9), rgba(10, 10, 100, 0.9), rgba(30, 30, 150, 0.9));
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 50, 0.8), 0 0 10px rgba(255, 255, 255, 0.1);
  border: 1px solid #2e3a60;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.5s ease, transform 0.4s ease, box-shadow 0.5s ease;
}

/* Hover effect */
section .card:hover {
  transform: translateY(-8px);
  background: linear-gradient(180deg, rgba(30, 30, 150, 0.9), rgba(40, 0, 100, 0.9), rgba(100, 0, 150, 0.9));
  box-shadow: 0 10px 30px rgba(0, 0, 100, 0.7), 0 0 20px rgba(255, 221, 85, 0.8);
}

section .card img {
  height: 80px;
  width: 80px;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 15px;
  box-shadow: 0 0 15px rgba(255, 221, 85, 0.5);
}

section .card h3 {
  margin: 10px 0;
  font-size: 1.4em;
  font-weight: bold;
  color: rgba(255, 221, 85, 1);
  text-shadow: 0 0 15px rgba(255, 221, 85, 0.9);
}

section .card p {
  flex-grow: 1;
  color: rgba(200, 220, 255, 0.8);
  margin-bottom: 10px;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
}

section .card::before {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
  box-shadow: 0 0 50px rgba(255, 255, 255, 0.5);
  animation: spin 8s linear infinite;
}

section .card .suit-icon {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 24px;
  height: 24px;
  opacity: 0.7;
  transition: opacity var(--transition-speed);
}

section .card:hover .suit-icon {
  opacity: 1;
}

/* Keyframes for spinning element */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Form styling */
form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--dark-blue-translucent);
  padding: 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  backdrop-filter: blur(5px);
}

form label,
form input,
form textarea {
  color: var(--text-color);
  background-color: var(--light-blue);
  border: 1px solid #3a4b7f;
  border-radius: var(--border-radius);
  padding: 10px;
  margin: 10px 0;
  width: 100%;
}

form input[type="submit"] {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-speed);
}

form input[type="submit"]:hover {
  background-color: var(--accent-hover-color);
}

/* Footer Styling */
footer {
  background-color: var(--dark-blue);
  padding: 10px 20px;
  color: var(--text-color);
  text-align: center;
  font-size: 0.9em;
}

@media (max-width: 768px) {
  .cards {
    grid-template-columns: 1fr; /* 1 card per line on smaller screens */
  }

  header ul {
    flex-direction: column;
    gap: 10px;
  }

  article {
    margin: 12em 10px;
    padding: 15px;
  }

  section .card {
    padding: 12px;
  }

  section .card img {
    height: 60px;
    width: 60px;
  }

  .project-name{
    font-size: 1.3em;
  }
}
