.hero-about-advanced {
  position: relative;
  padding: 180px 0 120px;
  background-color: var(--secondary-color);
  color: var(--text-light);
  overflow: hidden;
}

.hero-about-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-about-title {
  font-family: var(--font-accent);
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.hero-about-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  opacity: 0.8;
}

/* Parallax Background */
.hero-about-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.15;
  filter: grayscale(50%);
}

.story-section {
  padding: 100px 0;
}

.story-image-switcher {
  position: relative;
  height: 500px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-premium);
}

.story-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  transform: scale(1.05);
}

.story-image.active {
  opacity: 1;
  transform: scale(1);
}

.story-content {
  padding-left: 50px;
}

.story-timeline-item {
  position: relative;
  padding: 20px 0 20px 40px;
  cursor: pointer;
  border-left: 2px solid var(--bg-dark);
}

.story-timeline-item::before {
  content: "";
  position: absolute;
  left: -11px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--bg-dark);
  border: 4px solid var(--bg-soft);
  transition: all 0.3s ease;
}

.story-timeline-item.active::before {
  background-color: var(--primary-color);
  transform: translateY(-50%) scale(1.1);
}

.story-year {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 5px;
  transition: color 0.3s ease;
}

.story-milestone {
  font-weight: 500;
  color: var(--text-muted);
}

.story-timeline-item.active .story-year {
  color: var(--primary-color);
}

.values-section {
  padding: 100px 0;
  background-color: var(--bg-soft);
}

.value-card {
  background: var(--bg-light);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  height: 100%;
}

.value-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-premium);
}

.value-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  display: inline-block;
}

.value-title {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.value-description {
  color: var(--text-muted);
  line-height: 1.6;
}

.choose-us-split {
  padding: 100px 0;
}

.split-image-content {
  position: relative;
  height: 100%;
  min-height: 400px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  color: white;
  display: flex;
  align-items: flex-end;
  padding: 40px;
}

.split-image-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 60%);
  z-index: 1;
}

.split-image-content .content-inner {
  position: relative;
  z-index: 2;
}

.split-image-content h3 {
  color: white;
  font-family: var(--font-accent);
  font-size: 2rem;
  margin-bottom: 15px;
}

.split-image-content p {
  opacity: 0.8;
}

.split-content-side {
  padding: 40px;
}

.feature-list-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.feature-list-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 20px;
  margin-top: 5px;
}

.feature-list-content h5 {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--secondary-color);
  margin-bottom: 5px;
}

.feature-list-content p {
  color: var(--text-muted);
  line-height: 1.6;
}

.stats-section-animated {
  padding: 80px 0;
  background-color: var(--secondary-color);
  color: var(--text-light);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-accent);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  opacity: 0.7;
}

.sustainable-section {
  padding: 100px 0;
  background-color: var(--bg-soft);
}

.sustainable-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.sustainable-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.sustainable-title {
  font-family: var(--font-accent);
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.sustainable-text {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 30px;
}

/* General Purpose Animation Library */
.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.fade-in.is-visible {
  opacity: 1;
}

.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-down {
  opacity: 0;
  transform: translateY(-40px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-down.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.zoom-in {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.zoom-in.is-visible {
  opacity: 1;
  transform: scale(1);
}