/* ROOT VARIABLES */
:root {
  --bg-color: #121212;
  --header-bg: #1e1e1e;
  --nav-bg: rgba(30, 30, 30, 0.8);
  --card-bg: #1f1f1f;
  --primary-color: #007acc;
  --primary-hover: #005a9e;
  --text-color: #e0e0e0;
  --subtext-color: #a0a0a0;
  --border-color: #007acc;
  --shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
  --transition: 0.3s ease;
  --heading-font: "Roboto", sans-serif;
  --body-font: "Roboto", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

/* HERO SECTION */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 80px 20px;
  background: linear-gradient(150deg, var(--header-bg) 50%, #181818 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: var(--primary-color);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(60px);
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -150px;
  right: -150px;
  width: 400px;
  height: 400px;
  background: var(--primary-color);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(60px);
}
.hero img {
  width: 90px;
  height: 90px;
  margin-bottom: 20px;
  animation: floatLogo 3s ease-in-out infinite;
}
@keyframes floatLogo {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}
.hero h1 {
  font-size: 3rem;
  color: var(--primary-color);
  font-family: var(--heading-font);
  margin-bottom: 15px;
}
.version-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-bottom: 18px;
  background: rgba(0, 122, 204, 0.1);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  color: var(--text-color);
  font-size: 0.95rem;
  box-shadow: var(--shadow);
}
.pill-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(0, 122, 204, 0.18);
  display: inline-block;
}
.hero p {
  font-size: 1.2rem;
  color: var(--subtext-color);
  max-width: 700px;
  margin: 0 auto 30px auto;
}
.hero-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 25px;
}
.tag {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: var(--subtext-color);
  font-size: 0.9rem;
}
.release-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0 18px;
}
.hero .cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.hero .cta-buttons a {
  display: inline-block;
  padding: 14px 30px;
  color: #fff;
  text-decoration: none;
  background: var(--primary-color);
  border-radius: 6px;
  box-shadow: var(--shadow);
  transition:
    background-color var(--transition),
    transform var(--transition);
}
.hero .cta-buttons a:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
}
.hero .cta-buttons .ghost-link {
  background: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}
.hero .cta-buttons .ghost-link:hover {
  color: #fff;
  background: var(--primary-color);
}

/* NAVBAR */
nav {
  position: sticky;
  top: 0;
  background-color: var(--nav-bg);
  backdrop-filter: blur(10px);
  padding: 10px 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
  z-index: 100;
}
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
}
nav ul li {
  margin: 0 15px;
}
nav ul li a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
  padding: 5px 0;
}
nav ul li a:hover {
  color: var(--primary-color);
}
nav ul li a::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition);
}
nav ul li a:hover::after {
  width: 100%;
}

/* HAMBURGER MENU */
.hamburger {
  display: none;
  cursor: pointer;
  position: fixed;
  top: 15px;
  right: 15px;
  z-index: 1000;
  background: var(--nav-bg);
  padding: 10px;
  border-radius: 5px;
}

.hamburger .line {
  width: 25px;
  height: 2px;
  background-color: var(--text-color);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* MOBILE MENU */
nav ul {
  transition: transform 0.3s ease-in-out;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 70%;
    height: 100vh;
    background: var(--header-bg);
    backdrop-filter: none;
    transition: left 0.3s ease;
    padding-top: 60px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.5);
  }

  nav.active {
    left: 0;
  }

  nav ul {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
  }

  nav ul li {
    margin: 15px 0;
  }

  .hamburger.active .line:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .hamburger.active .line:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .line:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  nav ul li {
    width: 100%;
    margin: 10px 0;
    padding: 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
  }

  nav ul li a {
    font-size: 1.1rem;
    display: block;
    position: relative;
    padding-left: 30px;
  }

  nav ul li a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.7;
  }

  nav ul li:nth-child(1) a::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="%23007acc" class="size-6"><path stroke-linecap="round" stroke-linejoin="round" d="M9.879 7.519c1.171-1.025 3.071-1.025 4.242 0 1.172 1.025 1.172 2.687 0 3.712-.203.179-.43.326-.67.442-.745.361-1.45.999-1.45 1.827v.75M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0Zm-9 5.25h.008v.008H12v-.008Z" /></svg>');
  }
  nav ul li:nth-child(2) a::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="%23007acc" class="size-6"><path stroke-linecap="round" stroke-linejoin="round" d="M9.813 15.904 9 18.75l-.813-2.846a4.5 4.5 0 0 0-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 0 0 3.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 0 0 3.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 0 0-3.09 3.09ZM18.259 8.715 18 9.75l-.259-1.035a3.375 3.375 0 0 0-2.455-2.456L14.25 6l1.036-.259a3.375 3.375 0 0 0 2.455-2.456L18 2.25l.259 1.035a3.375 3.375 0 0 0 2.456 2.456L21.75 6l-1.035.259a3.375 3.375 0 0 0-2.456 2.456ZM16.894 20.567 16.5 21.75l-.394-1.183a2.25 2.25 0 0 0-1.423-1.423L13.5 18.75l1.183-.394a2.25 2.25 0 0 0 1.423-1.423l.394-1.183.394 1.183a2.25 2.25 0 0 0 1.423 1.423l1.183.394-1.183.394a2.25 2.25 0 0 0-1.423 1.423Z" /></svg>');
  }
  nav ul li:nth-child(3) a::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="%23007acc" class="size-6"><path stroke-linecap="round" stroke-linejoin="round" d="M12 9.75v6.75m0 0-3-3m3 3 3-3m-8.25 6a4.5 4.5 0 0 1-1.41-8.775 5.25 5.25 0 0 1 10.233-2.33 3 3 0 0 1 3.758 3.848A3.752 3.752 0 0 1 18 19.5H6.75Z" /></svg>');
  }
  nav ul li:nth-child(4) a::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="%23007acc" class="size-6"><path stroke-linecap="round" stroke-linejoin="round" d="m2.25 15.75 5.159-5.159a2.25 2.25 0 0 1 3.182 0l5.159 5.159m-1.5-1.5 1.409-1.409a2.25 2.25 0 0 1 3.182 0l2.909 2.909m-18 3.75h16.5a1.5 1.5 0 0 0 1.5-1.5V6a1.5 1.5 0 0 0-1.5-1.5H3.75A1.5 1.5 0 0 0 2.25 6v12a1.5 1.5 0 0 0 1.5 1.5Zm10.5-11.25h.008v.008h-.008V8.25Zm.375 0a.375.375 0 1 1-.75 0 .375.375 0 0 1 .75 0Z" /></svg>');
  }
  nav ul li:nth-child(5) a::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="%23007acc" class="size-6"><path stroke-linecap="round" stroke-linejoin="round" d="M15.59 14.37a6 6 0 0 1-5.84 7.38v-4.8m5.84-2.58a14.98 14.98 0 0 0 6.16-12.12A14.98 14.98 0 0 0 9.631 8.41m5.96 5.96a14.926 14.926 0 0 1-5.841 2.58m-.119-8.54a6 6 0 0 0-7.381 5.84h4.8m2.581-5.84a14.927 14.927 0 0 0-2.58 5.84m2.699 2.7c-.103.021-.207.041-.311.06a15.09 15.09 0 0 1-2.448-2.448 14.9 14.9 0 0 1 .06-.312m-2.24 2.39a4.493 4.493 0 0 0-1.757 4.306 4.493 4.493 0 0 0 4.306-1.758M16.5 9a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0Z" /></svg>');
  }
  nav ul li:nth-child(6) a::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="%23007acc" class="size-6"><path stroke-linecap="round" stroke-linejoin="round" d="M19.5 14.25v-2.625a3.375 3.375 0 0 0-3.375-3.375h-1.5A1.125 1.125 0 0 1 13.5 7.125v-1.5a3.375 3.375 0 0 0-3.375-3.375H8.25m0 12.75h7.5m-7.5 3H12M10.5 2.25H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 0 0-9-9Z" /></svg>');
  }
  nav ul li:nth-child(7) a::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="%23007acc" class="size-6"><path stroke-linecap="round" stroke-linejoin="round" d="M7.5 8.25h9m-9 3H12m-9.75 1.51c0 1.6 1.123 2.994 2.707 3.227 1.129.166 2.27.293 3.423.379.35.026.67.21.865.501L12 21l2.755-4.133a1.14 1.14 0 0 1 .865-.501 48.172 48.172 0 0 0 3.423-.379c1.584-.233 2.707-1.626 2.707-3.228V6.741c0-1.602-1.123-2.995-2.707-3.228A48.394 48.394 0 0 0 12 3c-2.392 0-4.744.175-7.043.513C3.373 3.746 2.25 5.14 2.25 6.741v6.018Z" /></svg>');
  }
  nav ul li:nth-child(8) a::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="%23007acc"><path stroke-linecap="round" stroke-linejoin="round" d="M9.813 15.904 9 18.75l-.813-2.846a4.5 4.5 0 0 0-3.09-3.09L2.25 12l2.846-.813a4.5 4.5 0 0 0 3.09-3.09L9 5.25l.813 2.846a4.5 4.5 0 0 0 3.09 3.09L15.75 12l-2.846.813a4.5 4.5 0 0 0-3.09 3.09Zm8.444-5.04c.744-.203 1.293-.824 1.394-1.588a9.034 9.034 0 0 0 .038-.866 9 9 0 1 0-9.7 8.955c.764-.091 1.343-.718 1.343-1.488v-.334c0-.69.428-1.304 1.073-1.533l1.704-.606c.675-.24 1.093-.908.967-1.612l-.257-1.442a1.785 1.785 0 0 1 .53-1.582l1.1-1.04a1.26 1.26 0 0 1 1.075-.275Z"/></svg>');
  }

  nav ul li:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
  }

  nav ul li a:hover::after {
    display: none;
  }

  /* ADDS HEADER TO MOBILE MENU */
  nav::before {
    content: "MemGUI";
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 1.4rem;
    color: var(--primary-color);
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  nav::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
  }

  .hero h1 {
    font-size: 2.2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  nav ul li {
    margin: 0 10px;
  }
  section h2 {
    font-size: 1.8rem;
  }
  .download-button {
    padding: 12px 24px;
    font-size: 1rem;
  }
  .feature-card h3 {
    font-size: 1.15rem;
  }
}

/* MAIN CONTENT */
main {
  max-width: 1100px;
  margin: 50px auto;
  padding: 0 20px;
}
section {
  margin-bottom: 60px;
}
section h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  display: inline-block;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--border-color);
}
section p {
  margin-bottom: 15px;
  font-size: 1rem;
}
section ul {
  list-style: disc;
  padding-left: 20px;
}
section ul li {
  margin-bottom: 10px;
}
.sub-heading {
  color: var(--subtext-color);
  margin-top: -5px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}
.changelog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.changelog-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
  border-left: 3px solid var(--primary-color);
}
.changelog-card h3 {
  color: var(--primary-color);
  margin-bottom: 12px;
  font-size: 1.2rem;
}
.changelog-card ul {
  list-style: disc;
  padding-left: 18px;
}
.changelog-card li {
  color: var(--subtext-color);
  margin-bottom: 8px;
}
.changelog-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}
.changelog-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* CARDS / HIGHLIGHTS (OPTIONAL FEATURE SECTION) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 20px;
  transition: transform var(--transition);
}
.feature-card h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
  font-size: 1.3rem;
}
.feature-card p {
  color: var(--subtext-color);
}
.feature-card:hover {
  transform: translateY(-5px);
}

/* DOWNLOAD BUTTON STYLE (GLOBAL REUSE) */
.download-button {
  display: inline-block;
  background-color: var(--primary-color);
  color: #fff;
  padding: 15px 30px;
  font-size: 1.1rem;
  text-decoration: none;
  border-radius: 5px;
  transition:
    background-color var(--transition),
    transform var(--transition);
  box-shadow: var(--shadow);
}
.download-button:hover {
  background-color: var(--primary-hover);
  transform: translateY(-3px);
}

/* SCREENSHOT SECTION */
.screenshot {
  text-align: center;
}
.screenshot img {
  max-width: 100%;
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.screenshot img:hover {
  transform: scale(1.02);
}

/* FOOTER */
footer {
  background-color: var(--header-bg);
  text-align: center;
  padding: 30px;
  font-size: 0.9rem;
  border-top: 1px solid var(--primary-color);
}
footer p {
  margin-bottom: 5px;
  color: var(--subtext-color);
}
footer a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition);
}
footer a:hover {
  color: var(--primary-hover);
}