body {
    background: #000000;
    padding-top: 130px;
    font-weight: 400;
}

.page-container {
  max-width: 1900px;   /* adjust as needed */
  margin: 0 auto;      /* centers content */
  padding: 0 20px;     /* safe padding on small screens */
}

.case-study-header {
  text-align: center;
  margin-bottom: 50px;
  position: relative;   /* required for bottom positioning */
  padding-bottom: 40px; /* space so arrow doesn't overlap content */
  padding-top: 50px;
}

.case-study-subtitle {
  color: #00b33c;
  letter-spacing: 3px;
  font-weight: 600;
  font-size: 22px;
  margin-bottom: 10px;
  margin-top: 20px;
}

.case-study-title {
  font-size: 42px;
  font-weight: 900;
  color: #dbd8d8;
  margin-bottom: 20px;
}

.case-study-button {
  padding: 10px 30px;
  font-size: 16px;
  font-weight: 500;
  border: 2px solid #33f702;
  background-color: #ffffff;
  color: #444444;
  border-radius: 25px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.case-study-button:hover {
  background-color: #00b33c;
  color: white;
  border-color: #00b33c;
}

.left-arrow {
  position: absolute;
  left: 80px;       /* 20px from left side */
  bottom: 10px;     /* position at bottom of header */
  font-size: 40px;
  color: #4bbce9;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

.left-arrow:hover {
  color: #00DD87;
}



.section {
    margin-bottom: 35px;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 25px;
    margin-inline: 40px;
}

/* Header with title + icon */
.section-header {
    display: flex;
    align-items: center;
    cursor: pointer;
    width: 100%;
    margin-inline: 40px;
}

.section-title {
    font-size: 32px;
    font-weight: bold;
    color:#4bbce9;
    width: 25%;
}

/* Icon using pseudo-elements for + → – with animation */
.section-icon {
    position: relative;
    width: 20px;
    height: 20px;
    margin-left: 10px;
}

.section-icon::before,
.section-icon::after {
    content: '';
    position: absolute;
    background-color: #4bbce9;
    transition: all 0.6s ease;
}

/* Horizontal line */
.section-icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 3px;
    transform: translateY(-50%);
}

/* Vertical line */
.section-icon::after {
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    transform: translateX(-50%) rotate(0deg);
    transform-origin: center center;
}

/* When section is open: vertical line folds clockwise to overlap horizontal line */
.section.open .section-icon::after {
    top: 50%;
    height: 3px;
    transform: translateY(-50%) rotate(90deg);
}

/* Content area */
.section-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s ease;
    width: 75%;
    margin-left: 25%;
    font-size: 17px;
    color: #dbd8d8;
    line-height: 1.6;
    margin-top: 15px;
}

ul {
    list-style: none;
    padding-left: 0;
}

ul li::before {
    margin-right: 8px;
    font-weight: bold;
}