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

body {
  font-family: "Poppins", sans-serif;
  color: #333;
  background: #fff;
  line-height: 1.6;
}

/* ===== Header Transparent Over Hero ===== */
/* Default header style (dark bg) */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  background: rgba(0,0,0,0.9); /* normal state */
  transition: background 0.4s ease;
}

/* Index page ke hero pe transparent */
header.transparent {
  background: transparent;
  box-shadow: none;
}

header.scrolled {
  background: rgba(0,0,0,0.8); /* scroll ke baad background aayega */
  transition: background 0.3s ease;
}

/* ===== Hero Slider ===== */
.hero-slider {
  position: relative;
  width: 100%;
  height: 85vh;         /* bada kiya (premium height) */
  min-height: 600px;
  margin-top: 0;        /* header ke sath merge */
}

.hero-slider .swiper-slide {
  background-size: cover;
  background-position: center top; /* upar ka part dikhe */
  height: 85vh;
  min-height: 600px;
  position: relative;
}

.hero-slider .overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.45); /* thoda dark overlay */
}

/* ===== Content Styling ===== */
.hero-slider .content {
  position: relative;
  top: 55%;
  transform: translateY(-50%);
  z-index: 2;
  max-width: 600px;   /* bada block */
  margin-left: 60px;
  padding: 25px;
  border-radius: 12px;
}

.hero-slider h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
}

.hero-slider p {
  font-size: 1.2rem;
  margin-top: 15px;
  color: #f0f0f0;
}

/* ===== Button ===== */
.btn-discover {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  background: #009f91;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 30px;
  text-decoration: none;
  margin-top: 20px;
  transition: all 0.3s ease;
}

.btn-discover i {
  margin-left: 8px;
  font-size: 18px;
  transition: transform 0.3s ease;
}

.btn-discover:hover {
  background: #007f74;
}

.btn-discover:hover i {
  transform: translateX(6px);
}

/* ===== Pagination Dots ===== */
.swiper-pagination-bullet {
  background: #fff;
  opacity: 0.6;
  width: 10px;
  height: 10px;
}

.swiper-pagination-bullet-active {
  background: #009f91;
  opacity: 1;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-slider, 
  .hero-slider .swiper-slide {
    height: 75vh;
    min-height: 500px;
  }

  .hero-slider h1 {
    font-size: 2.2rem;
  }

  .hero-slider p {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .hero-slider, 
  .hero-slider .swiper-slide {
    height: 65vh;
    min-height: 420px;
  }

  .hero-slider .content {
    margin-left: 25px;
    max-width: 90%;
  }

  .hero-slider h1 {
    font-size: 1.6rem;
  }

  .hero-slider p {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .hero-slider, 
  .hero-slider .swiper-slide {
    height: 55vh;
    min-height: 360px;
  }

  .hero-slider h1 {
    font-size: 1.4rem;
  }

  .hero-slider p {
    font-size: 0.85rem;
  }
}

<style>
.tech-box {
  width: 80px;
  height: 80px;
  margin: auto;
  background: #fff;
  border-radius: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  transition: transform 0.5s;
  animation: rotate-vertical 3s linear infinite;
}

.tech-box i {
  font-size: 36px;
}

/* Vertical rotate animation */
@keyframes rotate-vertical {
  0% { transform: rotateX(0deg); }
  100% { transform: rotateX(360deg); }
}

.tech-box:hover {
  transform: scale(1.2);
}
</style>
<style>
.tech-swiper {
  width: 100%;
  padding: 20px 0;
}

.tech-icon {
  width: 100px;
  height: 100px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  margin: auto;
}

.tech-icon img {
  width: 60%;
  height: auto;
}

</style>