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

body {
  font-family: 'Poppins', sans-serif;
  background: radial-gradient(circle at center, #020617 0%, #000 100%);
  color: cyan;
  overflow: hidden;
}

/* ===== PARTICLES ===== */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* ===== MENU BUTTON (3 DOTS) ===== */
.menu-btn {
  position: fixed;
  top: 30px;
  left: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 40px;
  cursor: pointer;
  z-index: 300;
}

.menu-btn span {
  width: 10px;
  height: 10px;
  background: cyan;
  border-radius: 50%;
  box-shadow: 0 0 10px cyan, 0 0 25px cyan;
}

/* ===== SIDEBAR MENU ===== */
.side-menu {
  position: fixed;
  top: 0;
  left: -240px;
  width: 220px;
  height: 100%;
  background: rgba(0, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  box-shadow: 0 0 40px rgba(0, 255, 255, 0.4);
  padding-top: 120px;
  transition: left 0.5s ease;
  z-index: 200;
}

.side-menu ul {
  list-style: none;
  padding-left: 40px;
}

.side-menu li {
  margin: 25px 0;
}

.side-menu a {
  color: cyan;
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
  text-shadow: 0 0 10px cyan;
  transition: 0.3s;
}

.side-menu a:hover {
  color: white;
  text-shadow: 0 0 25px cyan;
}

/* ===== OVERLAY ===== */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: 0.4s;
  z-index: 150;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ===== HERO SECTION ===== */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 2;
  perspective: 1000px;
  position: relative;
  padding: 0 20px;
}

.content {
  max-width: 800px;
  transform-style: preserve-3d;
  transition: transform 0.3s ease-out;
}

/* ===== HEADINGS ===== */
h1 {
  font-size: 2.8em;
  font-weight: 700;
  letter-spacing: 2px;
  color: cyan;
  text-shadow: 0 0 20px cyan, 0 0 50px cyan;
  -webkit-text-stroke: 1px cyan;
  margin-bottom: 20px;
}

/* ===== PARAGRAPH ===== */
p {
  font-size: 1.1em;
  color: rgba(200, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 30px;
}

/* ===== BUTTONS ===== */
.buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn {
  padding: 12px 28px;
  background: rgba(0, 255, 255, 0.1);
  border: 2px solid cyan;
  border-radius: 40px;
  color: cyan;
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  transition: 0.3s;
  text-shadow: 0 0 10px cyan;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.btn:hover {
  background: cyan;
  color: #000;
  box-shadow: 0 0 25px cyan, 0 0 50px cyan;
}

/* ===== SAMPLE GALLERY ===== */
.sample-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.sample-gallery img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s;
}

.sample-gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 40px cyan;
}

.footer-text {
  margin-top: 40px;
  font-style: italic;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  h1 {
    font-size: 2em;
  }
  .buttons {
    flex-direction: column;
    gap: 15px;
  }
}