:root {
  --heading-font-font-family: "Instrument Serif";
  --accent-hsl: 143, 66%, 37%; /* hue, saturation, lightness */
  --heading-1-size-value: 3; /* Base size for h1 in vw */
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: white;
    color: black;
}
.header-flex {
    display: flex;
    justify-content: space-between; 
    align-items: center;
    background-color: hsla(var(--accent-hsl), 1); 
    color: white;
    padding: 10px 20px;
    position: fixed;  
    top: 0;            
    left: 0;
    width: 100%; 
    height: 50px;     
    z-index: 1000;    
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); 
}

.header-logo {
    color: white;
    text-decoration: none;
    font-size: 0.8em;
}

/* Nav styles */
.nav-container {
    display: flex;
    align-items: center;
    margin-right: 40px;
}

nav {
    display: flex;
    gap: 20px;
}

/* Hamburger for mobile */
.hamburger {
    display: none;
    font-size: 1.5em;
    cursor: pointer;
}

/* Nav link styles */
#nav-links a {
    color: white;
    text-decoration: none;
    font-size: 1em;
    transition: 0.3s;
    padding: 10px;
}

#nav-links a:hover {
    background-color: white;
    color: hsla(var(--accent-hsl), 1);
    border-radius: 3px;
    cursor: pointer;
}


/* Responsive layout */
@media screen and (max-width: 768px) {
    nav {
        display: none; /* Hide links by default on mobile */
        flex-direction: column;
        background-color: hsla(var(--accent-hsl), 1);
        position: absolute;
        top: 60px;
        right: 0; /* Align mobile menu to the right */
        width: 100%;
    }

    nav a {
        padding: 15px;
        border-top: 1px solid #fff;
    }

    .hamburger {
        display: block;
    }
}


main {
    margin-top: 60px; 
}

/* Banner container */
.welcome-banner {
    width: 100%;
    color: #2c3e50;
    text-align: center;
    padding: 40px 20px;
    animation: bannerSlideIn 1s ease-out forwards;
    transform: translateY(-50px);
    opacity: 0;
}

/* Heading animation */
.welcome-banner h2 {
    font-size: 2.8em;
    margin-bottom: 15px;
    background: linear-gradient(90deg, #a57c50, #d6b88b, #a57c50);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textGradient 3s infinite alternate, bounceIn 1.5s forwards;
}

/* Paragraph animation */
.welcome-banner p {
    font-size: 1.3em;
    animation: fadeInUp 2s forwards;
}

/* Banner slide down */
@keyframes bannerSlideIn {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Text gradient shimmer */
@keyframes textGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Bounce in effect */
@keyframes bounceIn {
    0% { transform: scale(0.5); opacity: 0; }
    60% { transform: scale(1.2); opacity: 1; }
    80% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

/* Paragraph fade up */
@keyframes fadeInUp {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
    .welcome-banner h2 { font-size: 2em; }
    .welcome-banner p { font-size: 1em; }
}

/* Quote styling */
.about-quote {
    font-style: italic;
    color: #3b3b3b;
    font-size: 1.4em;
    text-align: center;
    max-width: 700px;
    margin: 50px auto;
    padding-left: 15px;

}

/* Side by side container */
.about-content {
    display: flex;
    align-items: center;      
    justify-content: center;  
    gap: 40px;                
    flex-wrap: wrap;     
         
}

/* Text side */
.about-text {
    max-width: 500px;
}

/* Heading */
#main-heading {
    font-family: var(--heading-font-font-family);
    font-size: 2.2em;
    color: hsla(var(--accent-hsl), 1);
    margin-bottom: 20px;
}

/* Paragraph */
#h1-paragraph {
    font-size: 1.1em;
    line-height: 1.6;
}

/* Image side */
.about-image-container {
    max-width: 500px;
    flex: 1;
}

.about-image {
    width: 100%;
    height: auto;
    border-radius: 5px;
    object-fit: cover;
}

/* Mission */
#mission {
    max-width: 100%;
    margin: 60px auto;
    padding: 40px 20px;
    text-align: center;
    background: linear-gradient(90deg, #a57c50, #d6b88b, #a57c50); /* Soft, warm beige/soil brown */
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    color: #3b3b3b; /* Dark text for readability */
}

#mission-heading {
    font-size: 2em;
    color:whitesmoke;
    text-align: center;
    margin-bottom: 20px;
}

#mission p {
    font-size: 1.1em;
    line-height: 1.8;
    margin-bottom: 20px;
    color: whitesmoke;
    margin-top: 40px;
}

.flip-card-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 50px;
    margin-top: 30px;
}

.flip-card {
    background-color: transparent;
    width: 250px;
    height: 150px;
    perspective: 1000px; /* Gives the 3D effect */
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    backface-visibility: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    font-weight: bold;
    font-size: 16px;
   
}

.flip-card-front {
    background-color: white;
    color: hsla(143, 66%, 37%, 1);
}

.flip-card-back {
    background-color: hsla(143, 66%, 37%, 1);
    transform: rotateY(180deg);
    font-weight: normal;
    font-size: 14px;
    color: white;
}

/* Responsive design for cards*/
@media screen and (max-width: 768px) {
    .flip-card-container {
        flex-direction: column;
        align-items: center;
    }

    .flip-card {
        width: 90%;  /* make card nearly full width */
        height: 180px;
        margin-bottom: 20px;
    }

    .flip-card-front, .flip-card-back {
        font-size: 14px;
    }
}

/* Contact Section */
.contact-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.contact-info {
    flex: 1;
}


.contact-info p {
    font-size: 1.1em;
    color: #333;
}

.contact-form {
    flex: 1.5;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form label {
    font-weight: bold;
    color: #222;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1em;
    width: 100%;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: hsla(var(--accent-hsl), 1);
    outline: none;
    box-shadow: 0 0 5px hsla(var(--accent-hsl), 0.5);
}

.contact-form button {
    background-color: hsla(var(--accent-hsl), 1);
    color: white;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact-form button:hover {
    background-color: hsla(var(--accent-hsl), 0.8);
}

.line {
    border: none;
    height: 2px;
    background-color: hsla(var(--accent-hsl), 1);
    margin-top: 40px;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
}


/* Responsive adjustments */
@media screen and (max-width: 768px) {
    #about, #contribute {
        padding: 20px 10px;
    }
}


footer {
    text-align: center;
    background-color:white;
    padding: 10px;
}