:root {
  --title-color: #fff;
  --container-color: hsl(0, 0%, 0%);
  --body-font: "Poppins", sans-serif;
  --biggest-font-size: 1.70rem;
  --normal-font-size: 0.5rem;
}

body {
  font-family: var(--body-font);
  color: var(--text-color);
  width: 100%;
  text-align: center;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

img {
  max-width: 100%;
  height: auto;
}

.course-section {
  margin-top: 60px;
  padding: 20px 0;
}

.course__container {
  margin-inline: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  row-gap: 2rem;
  align-items: center;
  justify-content: center;
}

.course__article {
  position: relative;
  background-color: white;
  padding: 2.5rem;
  border-radius: 2rem;
  text-align: center;
  box-shadow: 0 20px 24px hsla(0, 0%, 0%, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease-in-out;
  min-height: 400px;
  max-height: 400px;
  border: 1px solid rgb(204, 201, 201);
}

/* Ensure course images do not affect card size */
.course__img {
  width: 150px; /* Corrected from 150x to 150px */
  height: 100px;
  object-fit: contain;
  margin-bottom: 1rem;
  animation: float-img 2.5s ease-in-out infinite;
}

.card__title {
  color: black;
  font-size: 1.5rem;
  line-height: 100%;
  margin-bottom: 1rem;
}

.card__description {
  font-size: 0.5rem;
  flex-grow: 1;
  color: hsl(235, 20%, 57%);
}

.course__data {
  position: relative;
  z-index: 10;
}

.course__data p {
  color: hsl(235, 20%, 57%);
  font-size: 0.7rem;
}

/* Animation img */
@keyframes float-img {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-0.75rem);
  }
  100% {
    transform: translateY(0);
  }
}

/* Animation shape */
.course_article:hover .card_shape {
  animation-name: shape-animate;
  animation-duration: 0.8s;
  animation-iteration-count: 2;
}

@keyframes shape-animate {
  0% {
    opacity: 0;
  }
  20% {
    opacity: 0.1;
  }
  40% {
    opacity: 0.3;
  }
  60% {
    opacity: 0.7;
  }
  80% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/* For medium devices */
@media screen and (min-width: 768px) {
  .course__container {
    grid-template-columns: repeat(2, minmax(280px, 1fr));
  }

  .course-section {
    margin-top: 17px;
  }
}

/* For large devices */
@media screen and (min-width: 1024px) {
  .course-section {
    height: auto;
  }

  .course__container {
    grid-template-columns: repeat(3, minmax(280px, 1fr));
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  .course-section {
    margin-top: 100px;
  }
}

.course__article:hover {
  transform: scale(1.05);
}

/* Tech Stack */
.tech-stack {
  display: flex;
  justify-content: space-around;
  font-size: 20px;
  margin: 10px 0;
  color: hsl(235, 20%, 57%);
}

/* Buttons */
.buttonss {
  display: flex;
  flex-direction: column; /* Changed to column for vertical alignment */
  justify-content: center;
  align-items: center; /* Center buttons horizontally */
  gap: 10px;
  width: 100%;
  padding: 0 10px;
  margin-top: 15px;
}

.brochure-btnnn,
.know-more-btnnn {
  background-color: #e81818;
  color: white;
  border: 1px solid black;
  padding: 8px;
  font-size: 12px;
  cursor: pointer;
  border-radius: 10px;
  width: 120px;
  height: 43px;
  min-width: 120px;
  max-width: 120px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.know-more-btnnn {
  border: none;
}

.brochure-btnnn:hover,
.know-more-btnnn:hover,
.see-all-buttonn:hover {
  background-color: #1a0153;
  color: white;
}

.see-all-buttonn {
  background-color: #e81818;
  color: white;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 10px;
  display: inline-block;
  position: relative;
  top: -8px;
  margin-left: 1100px;
  max-width: 120px;
  min-width: 120px;
}

.buttonss {
  display: flex;
  flex-direction: column; /* Ensure vertical alignment */
  justify-content: center;
  align-items: center;
  margin-top: 15px;
  gap: 10px;
  padding-right: 3%;
}

.tech-stack span::before {
  color: black;
  font-weight: bold;
}

.brochure-btnnn a {
  text-decoration: none;
  color: inherit;
  display: inline-block;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brochure-btnnn a:visited,
.brochure-btnnn a:hover,
.brochure-btnnn a:active {
  color: inherit;
  text-decoration: none;
}

/* Section Header */
h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

/* Mobile View: Stack and Overlap */
@media screen and (max-width: 767px) {
  .course__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
  }

  .course__article {
    width: 90%;
    max-width: 320px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    transition: 0.5s ease-in-out;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid rgb(204, 201, 201);
  }

  /* Overlapping Effect */
  .course__article:nth-child(1) {
    top: 0px;
    z-index: 9;
  }

  .course__article:nth-child(2) {
    top: 0px;
    z-index: 8;
  }

  .course__article:nth-child(3) {
    top: 0px;
    z-index: 7;
    
  }
  .course__article:nth-child(4) {
    top: 0px;
    z-index: 6;
  }

  .course__article:nth-child(5) {
    top: 0px;
    z-index: 5;
  }

  .course__article:nth-child(6) {
    top: 0px;
    z-index: 4;
    
  }
  .course__article:nth-child(7) {
    top: 0px;
    z-index: 3;
  }

  .course__article:nth-child(8) {
    top: 0px;
    z-index: 2;
  }

  .course__article:nth-child(9) {
    top: 0px;
    z-index: 1;
    
  }

  /* Lift card on hover */
  .course__article:hover {
    transform: translateX(-50%) scale(1.05);
    z-index: 5;
  }

  .course__container {
    position: relative;
    height: 500px;
    margin-left: 9px;
  }

  .course__data {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .card__title {
    font-size: 18px;
    text-align: center;
  }

  .tech-stack {
    font-size: 14px;
    justify-content: space-around;
    gap: 20px;
  }

  .buttonss {
    display: flex;
    flex-direction: column; /* Vertical alignment */
    justify-content: center;
    align-items: center;
    gap: 10px;
    width: 100%;
    flex-wrap: nowrap;
  }

  .brochure-btnnn,
  .know-more-btnnn {
    width: 120px;
    height: 43px;
    font-size: 12px;
    padding: 8px;
    flex: none;
  }

  .see-all-buttonn {
    width: 120px;
    margin-left: 0;
    position: static;
  }
}

/* Small screens and below */
@media screen and (max-width: 480px) {
  .course__article {
    max-width: 280px;
  }

  .buttonss {
    flex-direction: column; /* Vertical alignment */
    justify-content: center;
    align-items: center;
    gap: 5px;
  }

  .brochure-btnnn,
  .know-more-btnnn {
    width: 100px;
    height: 40px;
    font-size: 10px;
    padding: 6px;
    flex: none;
  }

  .see-all-buttonn {
    width: 100px;
    font-size: 12px;
    padding: 6px;
    position: static;
    margin-left: 0;
  }
}