body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #ffffff;
}
.cta {
  display: flex;
}
.cta .btn {
  margin-left: 10px;
  padding: 10px 20px;
  background-color: #ff5722;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
}

header {
    text-align: center;
    padding: 20px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #1f1f1f;
    padding: 15px 30px;
}

.logo img {
    width: 150px;
    height: auto;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 15px;
}

.nav-links li a {
    color: white;
    text-decoration: none;
    font-size: 16px;
}

.nav-links li a:hover {
    color: #ff5722;
}

.cta .btn {
  margin-left: 10px;
  padding: 10px 20px;
  background-color: #ff5722;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
}

.cta .btn:hover {
    background-color: #0077cc;
}

.hero {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('images/background-image.jpg') no-repeat center center/cover;
    color: #ffffff;
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.hero .btn-primary,
.hero .btn-secondary {
    display: inline-block;
    background-color: #00aaff;
    color: #ffffff;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-size: 18px;
    margin: 0 10px;
    transition: background-color 0.3s;
}

.hero .btn-primary:hover,
.hero .btn-secondary:hover {
    background-color: #0077cc;
}

.hero .btn-secondary {
    background-color: #444444;
}

.hero .btn-secondary:hover {
    background-color: #666666;
}.sparkle-button {
  --active: 0;
  --bg: radial-gradient(
			40% 50% at center 100%,
			hsl(270 calc(var(--active) * 97%) 72% / var(--active)),
			transparent
		),
		radial-gradient(
			80% 100% at center 120%,
			hsl(260 calc(var(--active) * 97%) 70% / var(--active)),
			transparent
		),
		hsl(260 calc(var(--active) * 97%) calc((var(--active) * 44%) + 12%));
  background: var(--bg);
  font-size: 1.2rem;
  font-weight: 500;
  border: 0;
  cursor: pointer;
  padding: 1em 1em;
  display: flex;
  align-items: center;
  gap: 0.25em;
  white-space: nowrap;
  border-radius: 100px;
  position: relative;
  box-shadow: 0 0 calc(var(--active) * 3em) calc(var(--active) * 1em) hsl(260 97% 61% / 0.75),
		0 0em 0 0 hsl(260 calc(var(--active) * 97%) calc((var(--active) * 50%) + 30%)) inset,
		0 -0.05em 0 0 hsl(260 calc(var(--active) * 97%) calc(var(--active) * 60%)) inset;
  transition: box-shadow var(--transition), scale var(--transition), background var(--transition);
  scale: calc(1 + (var(--active) * 0.1));
  transition: .3s;
}

.sparkle-button:active {
  scale: 1;
  transition: .3s;
}

.sparkle path {
  color: hsl(0 0% calc((var(--active, 0) * 70%) + var(--base)));
  transform-box: fill-box;
  transform-origin: center;
  fill: currentColor;
  stroke: currentColor;
  animation-delay: calc((var(--transition) * 1.5) + (var(--delay) * 1s));
  animation-duration: 0.6s;
  transition: color var(--transition);
}

.sparkle-button:is(:hover, :focus-visible) path {
  animation-name: bounce;
}

@keyframes bounce {
  35%, 65% {
    scale: var(--scale);
  }
}

.sparkle path:nth-of-type(1) {
  --scale: 0.5;
  --delay: 0.1;
  --base: 40%;
}

.sparkle path:nth-of-type(2) {
  --scale: 1.5;
  --delay: 0.2;
  --base: 20%;
}

.sparkle path:nth-of-type(3) {
  --scale: 2.5;
  --delay: 0.35;
  --base: 30%;
}

.sparkle-button:before {
  content: "";
  position: absolute;
  inset: -0.2em;
  z-index: -1;
  border: 0.25em solid hsl(260 97% 50% / 0.5);
  border-radius: 100px;
  opacity: var(--active, 0);
  transition: opacity var(--transition);
}

.spark {
  position: absolute;
  inset: 0;
  border-radius: 100px;
  rotate: 0deg;
  overflow: hidden;
  mask: linear-gradient(white, transparent 50%);
  animation: flip calc(var(--spark) * 2) infinite steps(2, end);
}

@keyframes flip {
  to {
    rotate: 360deg;
  }
}

.spark:before {
  content: "";
  position: absolute;
  width: 200%;
  aspect-ratio: 1;
  top: 0%;
  left: 50%;
  z-index: -1;
  translate: -50% -15%;
  rotate: 0;
  transform: rotate(-90deg);
  opacity: calc((var(--active)) + 0.4);
  background: conic-gradient(
		from 0deg,
		transparent 0 340deg,
		white 360deg
	);
  transition: opacity var(--transition);
  animation: rotate var(--spark) linear infinite both;
}

.spark:after {
  content: "";
  position: absolute;
  inset: var(--cut);
  border-radius: 100px;
}

.backdrop {
  position: absolute;
  inset: var(--cut);
  background: var(--bg);
  border-radius: 100px;
  transition: background var(--transition);
}

@keyframes rotate {
  to {
    transform: rotate(90deg);
  }
}

@supports(selector(:has(:is(+ *)))) {
  body:has(button:is(:hover, :focus-visible)) {
    --active: 1;
    --play-state: running;
  }

  .bodydrop {
    display: none;
  }
}

.sparkle-button:is(:hover, :focus-visible) ~ :is(.bodydrop, .particle-pen) {
  --active: 1;
  --play-state: runnin;
}

.sparkle-button:is(:hover, :focus-visible) {
  --active: 1;
  --play-state: running;
}

.sp {
  position: relative;
}

.particle-pen {
  position: absolute;
  width: 200%;
  aspect-ratio: 1;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  -webkit-mask: radial-gradient(white, transparent 65%);
  z-index: -1;
  opacity: var(--active, 0);
  transition: opacity var(--transition);
}

.particle {
  fill: white;
  width: calc(var(--size, 0.25) * 1rem);
  aspect-ratio: 1;
  position: absolute;
  top: calc(var(--y) * 1%);
  left: calc(var(--x) * 1%);
  opacity: var(--alpha, 1);
  animation: float-out calc(var(--duration, 1) * 1s) calc(var(--delay) * -1s) infinite linear;
  transform-origin: var(--origin-x, 1000%) var(--origin-y, 1000%);
  z-index: -1;
  animation-play-state: var(--play-state, paused);
}

.particle path {
  fill: hsl(0 0% 90%);
  stroke: none;
}

.particle:nth-of-type(even) {
  animation-direction: reverse;
}

@keyframes float-out {
  to {
    rotate: 360deg;
  }
}

.text {
  translate: 2% -6%;
  letter-spacing: 0.01ch;
  background: linear-gradient(90deg, hsl(0 0% calc((var(--active) * 100%) + 65%)), hsl(0 0% calc((var(--active) * 100%) + 26%)));
  -webkit-background-clip: text;
  color: transparent;
  transition: background var(--transition);
}

.sparkle-button svg {
  inline-size: 1.25em;
  translate: -25% -5%;
}
/* WhatsApp Button */
 <style>
        .whatsapp_float {
       position: fixed;
       width: 60px;
       height: 60px;
       bottom: 40px;
       right: 40px;
       background-color: #25d366;
       color: #fff;
       border-radius: 50px;
       text-align: center;
       font-size: 30px;
       box-shadow: 2px 2px 3px #999;
       z-index: 100;
     }
     .whatsapp-icon {
       margin-top: 16px;
     }
   
     /* for mobile */
     @media screen and (max-width: 767px){
       .whatsapp-icon {
         margin-top: 10px;
       }
       .whatsapp_float {
         width: 40px;
         height: 40px;
         bottom: 20px;
         right: 10px;
         font-size: 22px;
       }
     }
       </style>
   </head>