* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Raleway', sans-serif;
  background-color: white;
  color: #1a1a2e;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 80px;
  background-color: #00BFB3;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  flex-wrap: wrap;
}

#logo-img {
  height: 150px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.header-menu {
  color: black;
  text-decoration: none;
  padding: 10px 18px;
  font-weight: 600;
  transition: all 0.3s ease;
  border-radius: 5px;
  font-size: 0.95rem;
}

.header-menu:hover {
  background-color: black;
  color: white;
}

.header-menu:focus {
  background-color: black;
  color: white;
  outline: none;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  font-size: 28px;
  cursor: pointer;
  z-index: 1001;
}

/* Slideshow */
.act-img {
  height: 85vh;
  width: 100%;
  object-fit: cover;
  filter: brightness(0.75);
}

.slideshow-container {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.mySlides {
  display: none;
  position: relative;
}

.dot {
  cursor: pointer;
  height: 12px;
  width: 12px;
  margin: 0 5px;
  background-color: rgba(255,255,255,0.6);
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.3s ease;
}

.dot.active, .dot:hover {
  background-color: #00BFB3;
}

.fade {
  animation-name: fadeEffect;
  animation-duration: 1.5s;
}

@keyframes fadeEffect {
  from {opacity: 0.4}
  to {opacity: 1}
}

/* About Section - Improved */
#who-we-are {
  padding: 60px 0;
  background: #f8f9fa;
}

#about, #mission, #vision {
  max-width: 900px;
  margin: 0 auto 40px auto;
  padding: 0 40px;
}

#about h1, #mission h1, #vision h1 {
  color: #00BFB3;
  margin-bottom: 15px;
  font-size: 1.8rem;
  display: inline-block;
  border-left: 4px solid #00BFB3;
  padding-left: 15px;
}

.about {
  text-align: left;
  line-height: 1.8;
  font-size: 1.05rem;
  color: #333;
  margin-bottom: 0;
}

/* Mission & Vision specific */
#mission {
  background: white;
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

#vision {
  background: white;
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

/* Projects Section */
.heading {
  font-size: 2.2rem;
  text-align: center;
  margin: 50px 0 20px;
  color: #1a1a2e;
  position: relative;
  padding-bottom: 15px;
}

.heading:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: #00BFB3;
}

.projects-p {
  text-align: center;
  margin-bottom: 30px;
  font-size: 1rem;
  color: #666;
  animation: blink 1.5s infinite;
}

.projects-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.project-card {
  flex: 1 1 350px;
  max-width: 400px;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-radius: 12px;
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.projects-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
}

.projects-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.projects-container:hover .projects-img {
  transform: scale(1.05);
}

.overlay {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: #00BFB3;
  transition: left 0.5s ease;
  opacity: 0.9;
}

.projects-container:hover .overlay {
  left: 0;
}

.projects-text {
  color: white;
  font-size: 1.2rem;
  font-weight: 600;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 90%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.projects-container:hover .projects-text {
  opacity: 1;
}

/* Partners Section - Centered and Symmetrical */
#partner {
  padding: 60px 20px;
  background: #f0f0f0;
}

.scroll-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 50px;
  padding: 30px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.donor {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 50px;
  width: 100%;
}

.partner-img {
  height: 90px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  transition: transform 0.3s ease, filter 0.3s ease;
  filter: grayscale(10%);
}

.partner-img:hover {
  transform: scale(1.08);
  filter: grayscale(0%);
}

/* Footer */
#footer {
  background-color: #0a0a2a;
  padding: 50px 40px 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 40px;
  text-align: left;
}

.footer {
  flex: 1 1 250px;
  min-width: 200px;
}

.sectionf {
  margin-top: 15px;
}

.footer-links {
  color: #ddd;
  text-decoration: none;
  font-size: 0.95rem;
  display: inline-block;
  margin: 8px 0;
  transition: color 0.3s ease;
}

.footer-links:hover {
  color: #00BFB3;
  background: transparent;
}

#address p {
  margin: 10px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.material-icons {
  vertical-align: middle;
  color: #B00020;
}

.fa {
  padding: 10px;
  font-size: 24px;
  width: 44px;
  height: 44px;
  text-align: center;
  text-decoration: none;
  border-radius: 50%;
  margin: 5px 5px 5px 0;
  background: #1a1a3e;
  color: white;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.fa:hover {
  background: #00BFB3;
  color: black;
  transform: scale(1.1);
}

/* WhatsApp Button */
.whatsapp-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25D366;
  border-radius: 50px;
  padding: 10px 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  z-index: 1000;
  text-decoration: none;
  transition: all 0.3s ease;
  width: 55px;
  height: 55px;
  animation: pulse 2s infinite;
}

.whatsapp-button img {
  width: 30px;
  height: 30px;
}

.whatsapp-text {
  white-space: nowrap;
  overflow: hidden;
  opacity: 0;
  font-size: 14px;
  color: white;
  transition: opacity 0.3s ease;
  font-weight: 500;
}

.whatsapp-button:hover {
  width: 170px;
  background-color: #1ebe57;
}

.whatsapp-button:hover .whatsapp-text {
  opacity: 1;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    transform: scale(1.05);
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

#copyright {
  background: #0a0a2a;
  color: #aaa !important;
  text-align: center;
  padding: 20px;
  margin: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ============================================ */
/* RESPONSIVE DESIGN - ALL SCREEN SIZES */
/* ============================================ */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  .header {
    padding: 15px 40px;
  }
  
  .header-menu {
    padding: 8px 14px;
    font-size: 0.9rem;
  }
  
  .act-img {
    height: 65vh;
  }
  
  .about, #mission .about, #vision .about {
    font-size: 1rem;
  }
}

/* Mobile Landscape & Small Tablet (481px - 768px) */
@media (max-width: 768px) {
  .header {
    padding: 12px 20px;
    position: relative;
  }
  
  #logo-img {
    height: 130px;
  }
  
  .hamburger {
    display: block;
    position: absolute;
    right: 20px;
    top: 18px;
  }
  
  .nav-menu {
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -100%;
    width: 65%;
    height: auto;
    background-color: #00BFB3;
    box-shadow: -2px 0 15px rgba(0,0,0,0.2);
    transition: right 0.3s ease-in-out;
    padding: 80px 20px 30px;
    z-index: 999;
    gap: 5px;
  }
  
  .nav-menu.show {
    right: 0;
  }
  
  .header-menu {
    display: block;
    text-align: center;
    padding: 12px;
    font-size: 1rem;
  }
  
  .act-img {
    height: 50vh;
  }
  
  #about, #mission, #vision {
    padding: 0 25px;
  }
  
  #mission, #vision {
    padding: 20px 25px;
    margin-bottom: 25px;
  }
  
  #about h1, #mission h1, #vision h1 {
    font-size: 1.5rem;
  }
  
  .about {
    font-size: 0.95rem;
    line-height: 1.7;
  }
  
  .heading {
    font-size: 1.8rem;
    margin: 35px 0 15px;
  }
  
  .projects-row {
    gap: 20px;
    padding: 15px;
  }
  
  .project-card {
    flex: 1 1 100%;
    max-width: 100%;
  }
  
  .projects-img {
    height: 220px;
  }
  
  .scroll-container, .donor {
    gap: 30px;
  }
  
  .partner-img {
    height: 65px;
    max-width: 120px;
  }
  
  #footer {
    padding: 40px 25px 25px;
    gap: 30px;
    text-align: center;
  }
  
  .footer {
    text-align: center;
  }
  
  #address p {
    justify-content: center;
  }
  
  .whatsapp-button {
    width: 50px;
    height: 50px;
    bottom: 15px;
    right: 15px;
  }
  
  .whatsapp-button img {
    width: 26px;
    height: 26px;
  }
  
  .whatsapp-button:hover {
    width: 150px;
  }
}

/* Mobile Portrait (up to 480px) */
@media (max-width: 480px) {
  .header {
    padding: 10px 15px;
  }
  
  #logo-img {
    height: 120px;
  }
  
  .hamburger {
    top: 14px;
    right: 15px;
    font-size: 24px;
  }
  
  .nav-menu {
    width: 75%;
    padding: 70px 15px 25px;
  }
  
  .act-img {
    height: 40vh;
  }
  
  #about, #mission, #vision {
    padding: 0 18px;
  }
  
  #mission, #vision {
    padding: 18px 18px;
  }
  
  #about h1, #mission h1, #vision h1 {
    font-size: 1.3rem;
    padding-left: 12px;
  }
  
  .about {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  .heading {
    font-size: 1.5rem;
  }
  
  .projects-p {
    font-size: 0.85rem;
  }
  
  .projects-img {
    height: 190px;
  }
  
  .projects-text {
    font-size: 1rem;
  }
  
  .scroll-container, .donor {
    gap: 20px;
  }
  
  .partner-img {
    height: 55px;
    max-width: 100px;
  }
  
  #footer {
    padding: 30px 18px 20px;
    gap: 25px;
  }
  
  .footer-links {
    font-size: 0.85rem;
  }
  
  .fa {
    width: 38px;
    height: 38px;
    font-size: 20px;
  }
  
  .whatsapp-button {
    width: 45px;
    height: 45px;
    bottom: 12px;
    right: 12px;
  }
  
  .whatsapp-button img {
    width: 24px;
    height: 24px;
  }
  
  .whatsapp-text {
    font-size: 12px;
  }
  
  .whatsapp-button:hover {
    width: 135px;
  }
  
  #copyright {
    font-size: 0.75rem;
    padding: 15px;
  }
}