:root{
  --heading-font-family: cabrito-sans, sans-serif;
  --heading-font-weight: 700;
  --heading-font-style: normal;
  --body-font-family: oso-sans, sans-serif;
  --body-font-weight: 400;
  --body-font-style: normal;
  --body-background-color: #DEE1E5;
  --font-color-light: #707070;
  --font-color-hover: #1e40af;
  --font-color-dark: #000000;
  --donate-button-hero-bg: #1e40af;
  --donate-button-hero-hover-bg: #3ab4ec;
  --body-line-height: 1.7;
  --button-background-color-green: #37ce8f;
  --font-color-white: #ffffff;
}
body {
  margin: 0;
  font-family: var(--body-font-family);
  font-weight: var(--body-font-weight);
  font-style: var(--body-font-style);
  color: var(--font-color-light);
  line-height: var(--body-line-height);
  font-size: 1em;
}
a {
  color: var(--font-color-light);
  cursor: pointer;
  text-decoration: none;
}
.hero-section {
  display: flex;
  flex-direction: row;
  box-sizing: border-box;
  background-color: var(--body-background-color);
}
.collage-panel {
  flex: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
  position: relative;
  align-items: center;
  justify-items: center;

}
.collage-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}
.logo-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  text-align: center;
  z-index: 2;
  width: 180px;
}
.logo-center img {
  width: 160px;
}
.nav-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 24px 24px;
  box-sizing: border-box;
  position: relative;
}
.nav-links {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 24px;
  align-items: center;
  justify-content: center;
}
.nav-links a {
  text-decoration: none;
  font-size: 1.1em;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--font-color-hover);
}
.donate-btn {
  width: 240px;
  background: var(--donate-button-hero-bg);
  color: #fff;
  border: none;
  padding: 12px 0;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.2s;
  font-size: 1.1em;
}
.donate-btn:hover {
  background: var(--donate-button-hero-hover-bg);
}
/* Hamburger styles */
.hamburger {
  display: none;
  position: absolute;
  top: 36px;
  right: 24px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  z-index: 10;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.hamburger span {
  display: block;
  width: 28px;
  height: 4px;
  margin: 4px 0;
  background: var(--font-color-dark);
  border-radius: 2px;
  transition: 0.3s;
}
.hero-title {
  width: 100%;
  text-align: center;
  padding: 36px 0 8px 0;
  font-size: 1.2em;
  border-top: 1px solid #d1d5db;
  letter-spacing: 0.02em;
  font-family: var(--heading-font-family);
  font-weight: var(--heading-font-weight);
  font-style: var(--heading-font-style);
  color: var(--font-color-dark);
}
/* Mobile styles */
@media (max-width: 900px) {
  .hero-section {
    flex-direction: column;
    height: auto;
    padding: 0;
  }
  .collage-panel {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
    gap: 8px;
    min-height: 320px;
    height: 320px;
    position: relative;
  }
  .logo-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
  }
  .logo-center img {
    width: 100px;
  }
  .nav-panel {
    min-width: unset;
    width: 100%;
    padding: 0;
    align-items: stretch;
    justify-content: flex-start;
    position: relative;
    height: 56px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--body-background-color);
    flex-direction: column;
    gap: 18px;
    padding: 24px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    z-index: 9;
  }
  .nav-links.open {
    display: flex;
  }
  .donate-btn {
    margin-top: 0;
  }
  .hamburger {
    display: flex;
  }
}


/* Section styles for Mission, About, Activities, Contact, Donate */
section {
  width: 100%;
  max-width: 900px;
  margin: 36px auto 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

#introduction {
  text-align: justify;
  font-size: 1em;
  line-height: 1.7;
  margin-top: 16px;
}

#about h2,
#mission h2,
#activities h2,
#getInvolved h2,
#contact h2{
  text-align: center;
  font-size: 1.3em;
  margin-bottom: 24px;
  font-family: var(--heading-font-family);
  font-weight: var(--heading-font-weight);
  font-style: var(--heading-font-style);
  color: var(--font-color-dark);
}

#about-content {
  display: flex;
  align-items: center;
  gap: 32px;
  justify-content: center;
}

#about-text {
  flex: 2.5;
  text-align: justify;
}

#about-img {
  flex: 1;
  min-width: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#about-img img {
  width: 140px;
  object-fit: cover;
}

#missionText,
#activitiesText,
#getInvolvedText {
  text-align: justify;
  margin-bottom: 24px;
}

#missionText {
  text-align: center;
}

/* Mission Cards */
.mission-cards {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 36px;
}
.mission-card {
  background: var(--body-background-color);
  border-radius: 8px;
  padding: 24px 18px 24px 18px;
  min-width: 240px;
  max-width: 320px;
  flex: 1 1 240px;
  box-sizing: border-box;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.mission-card-num {
  background: var(--button-background-color-green);
  font-family: var(--heading-font-family);
  font-weight: var(--heading-font-weight);
  font-style: var(--heading-font-style);
  color: var(--font-color-dark);
  border-radius: 4px;
  padding: 12px 18px;
  margin-bottom: 10px;
  font-size: 1.1em;
  line-height: 1;
}
.mission-card-title {
  color: var(--font-color-dark);
  margin-bottom: 8px;
}
.mission-card-desc {
  font-size: 1em;
  color: var(--font-color-light);
}

/* Activities Section */
.activities-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
  align-items: center;
  margin-bottom: 36px;
}
.activity-item {
  display: flex;
  gap: 32px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 700px;
}
.activity-text {
  flex: 2;
  min-width: 220px;
  text-align: justify;
}

.activity-img {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.activity-img img {
  width: 240px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
}

/* Get Involved Section */
.donate-now-btn {
  display: block;
  background: var(--button-background-color-green);
  border: none;
  border-radius: 6px;
  padding: 14px 0;
  font-size: 1.1em;
  width: 300px;
  margin: 24px auto;
  transition: background 0.2s;
  color: var(--font-color-white);
  cursor: pointer;
}
.donate-now-btn:hover {
  background-color: var(--donate-button-hero-hover-bg);
}

/* Responsive adjustments */
@media (max-width: 900px) {
  section {
    max-width: 90vw;
    margin-top: 24px;
  }
}

@media (max-width: 768px){
  #about-content {
    flex-direction: column;
    gap: 18px;
    align-items: center;
    margin-bottom: 36px;
  }
  .mission-cards {
    flex-direction: column;
    gap: 18px;
    align-items: center;
  }
  .activity-item {
    flex-direction: column-reverse;
    gap: 18px;
  }
  .activity-img img {
    width: 260px;
  }
  .donate-now-btn {
    width: 60vw;
    min-width: 160px;
  }
}

/* Donation Section */
.donate-amounts {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.donate-amt-btn {
  background: var(--button-background-color-green);
  color: #fff;
  font-size: 1.1em;
  border: none;
  border-radius: 4px;
  padding: 12px 12px;
  cursor: pointer;
  min-width: 80px;
  margin-bottom: 8px;
  transition: background 0.2s;
}
.donate-amt-btn.selected,
.donate-amt-btn:hover {
  background: var(--donate-button-hero-hover-bg);
}
.donate-details {
  margin: 0 auto;
  text-align: justify;
  margin-bottom: 36px;
}

/* Contact Section */
.contact-section {
  display: flex;
  gap: 36px;
  justify-content: center;
  align-items: flex-start;
  max-width: 900px;
  margin: 12px auto 36px;
}
.contact-option {
  flex: 1;
  min-width: 220px;
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.contact-form {
  flex: 1;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-form input {
  padding: 12px;
  font-size: 1em;
  border: 0.5px solid var(--body-background-color);
  border-radius: 4px;
  outline: none;
}
.contact-form button {
  background: var(--button-background-color-green);
  color: var(--font-color-white);
  border: none;
  border-radius: 4px;
  padding: 12px 0;
  font-size: 1.1em;
  cursor: pointer;
  transition: background 0.2s;
}
.contact-form button:hover {
  background: var(--donate-button-hero-hover-bg);
}

/* Responsive */
@media (max-width: 900px) {
  .donate-amounts {
    gap: 16px;
  }
  .donate-amt-btn {
    min-width: 80px;
    padding: 12px 18px;
  }
}

@media (max-width: 768px) {
  .contact-section {
    flex-direction: column;
    gap: 24px;
    align-items: center;
  }
  .contact-form {
    width: 100%;
    max-width: 400px;
  }
}

#upi-qr-container{
  display: none;
}
@media (min-width: 901px) {
  #upi-qr-container {
    display: block;
  }
}

#upiPayment {
  display: flex; 
  align-items: center; 
  justify-content: center;
  margin-top: 24px;
  gap: 40px;
}

#upiAmt {
  width: 120px; 
  padding: 6px; 
  margin-bottom: 12px;
  margin-left: 12px;
}

#upiQr {
  width: 200px;
}

.contact-icon {
  width: 20px;
  height: 20px;
  vertical-align: middle;
  display: inline-block;
}

footer {
  text-align: center;
  font-size: 0.9em;
  margin: 4px auto;
  padding: 12px 0;
  border-top: 1px solid var(--body-background-color);
}

footer a {
  color: var(--font-color-dark);
  text-decoration: underline;
}

.qr-highlight {
  animation: qrPulse 1s;
}
@keyframes qrPulse {
  0%   { box-shadow: 0 0 0 0 var(--button-background-color-green); }
  50%  { box-shadow: 0 0 12px 8px var(--button-background-color-green); }
  100% { box-shadow: 0 0 0 0 var(--button-background-color-green); }
}