:root {
  --primary-color: #b90000;
  --light-bg: #fff2f2;
  --hover-glow: 0 0 8px rgba(255, 0, 0, 0.3);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Quicksand', sans-serif;
  background: #f8f9fa;
  color: #333;
  scroll-behavior: smooth;
}
.skf-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--primary-color);
  padding: 10px 30px;
  color: white;
  position: sticky;
  top: 0;
  z-index: 999;
}
.skf-logo img { height: 60px; }
.skf-navbar a {
  margin-left: 20px;
  text-decoration: none;
  color: white;
  font-weight: 500;
  transition: color 0.3s;
}
.skf-navbar a:hover {
  color: #fff;
  text-shadow: var(--hover-glow);
}
.skf-toggle {
  display: none;
  font-size: 1.8rem;
  color: white;
  cursor: pointer;
}
.skf-hero {
  background: url("img/kidney-hands.png") center/contain no-repeat;
  background-color: var(--light-bg);
  padding: 120px 30px 60px;
  text-align: center;
}
.hero-content h1 {
  font-size: 2.8rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}
.hero-content p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto;
}
.skf-section {
  padding: 60px 30px;
  background: white;
  max-width: 1000px;
  margin: auto;
  transition: transform 0.3s, box-shadow 0.3s;
}
.skf-section:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}
.skf-section h2 {
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: 20px;
}
.skf-section ul {
  list-style: none;
  padding: 0;
}
.skf-section li {
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}
.skf-section li::before {
  content: \"✔\";
  color: green;
  position: absolute;
  left: 0;
}
.skf-visual {
  padding: 40px 20px;
  text-align: center;
  background: #ffeaea;
}
.skf-visual img {
  max-width: 400px;
  width: 90%;
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.1));
  animation: pulse 5s infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}
.skf-footer {
  background: var(--primary-color);
  color: white;
  text-align: center;
  padding: 30px 10px;
  position: relative;
}
.skf-social-follow a {
  margin: 0 10px;
  font-size: 1.3rem;
  color: white;
  transition: transform 0.3s;
}
.skf-social-follow a:hover {
  transform: scale(1.2);
  color: #ffcccb;
}
@media (max-width: 768px) {
  .skf-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 10px 15px;
  }
  .skf-navbar {
    flex-direction: column;
    width: 100%;
    margin-top: 10px;
    display: none;
    background-color: var(--primary-color);
  }
  .skf-navbar.active {
    display: flex;
  }
  .skf-navbar a {
    padding: 10px;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }
  .skf-toggle { display: block; }
}
.popup {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}
.popup.hidden { display: none; }
.popup-content {
  background: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  max-width: 90%;
  position: relative;
}
.close-btn {
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 1.5rem;
  cursor: pointer;
  color: #b90000;
}
.skf-mission {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: background-image 1s ease-in-out;
    padding: 80px 20px;
    min-height: 400px;
    background-blend-mode: multiply;
    background-color: rgba(0, 0, 0, 0.3);
    color: #fff;
  }

  .mission-overlay {
    background-color: rgba(0, 0, 0, 0.4);
    padding: 40px;
    border-radius: 12px;
    max-width: 800px;
    margin: auto;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }

  .skf-mission h2,
  .skf-mission p {
    color: #ffffff;
  }

  @media (max-width: 768px) {
    .mission-overlay {
      padding: 25px;
    }
    .skf-mission h2 {
      font-size: 1.5rem;
    }
    .skf-mission p {
      font-size: 1rem;
    }
  }

  .skf-founder, .skf-initiatives {
    background-color: #fef6f6;
    border-left: 6px solid #b90000;
    padding: 60px 30px;
    margin-top: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  }

  .skf-founder h2, .skf-initiatives h2 {
    color: #b90000;
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: center;
  }

  .initiatives-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    margin-bottom: 30px;
  }

  .initiatives-image img {
    max-width: 180px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  }

  .initiatives-intro {
    background: #fff0f0;
    padding: 20px;
    border-radius: 8px;
    flex: 1;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  }

  .initiatives-intro p {
    margin: 0 0 10px;
    font-size: 1rem;
    color: #444;
    line-height: 1.6;
  }

  .skf-initiatives ul {
    list-style: none;
    padding: 0;
  }

  .skf-initiatives li {
    padding-left: 25px;
    margin-bottom: 10px;
    position: relative;
    font-size: 1rem;
    color: #333;
  }

  .skf-initiatives li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: green;
    font-weight: bold;
  }

  @media (max-width: 768px) {
    .initiatives-flex {
      flex-direction: column;
      text-align: center;
    }

    .initiatives-image img {
      max-width: 140px;
    }
  }

 /* Homepage Horizontal Gallery */
.gallery-scroll-wrapper {
  padding: 20px 0;
  overflow-x: auto;
  position: relative;
}

.gallery-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 10px 20px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none; /* Firefox */
}

.gallery-scroll::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.gallery-scroll img {
  width: 260px;
  height: 160px;
  border-radius: 14px;
  object-fit: cover;
  scroll-snap-align: start;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-scroll img:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
}

.see-more-btn {
  text-align: right;
  margin-top: 10px;
  padding: 0 20px;
}

.see-more-btn a {
  background-color: #06796f;
  color: #fff;
  padding: 10px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  display: inline-block;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.see-more-btn a:hover {
  background-color: #045a53;
  transform: translateY(-2px);
}