:root {
    --primary-color: #1A3D6D; /* Deep Blue */
    --secondary-color: #FFD700; /* Gold */
    --accent-color: #FF4500; /* Orange/Red */
    --bg-color: #F0F0F0;
    --text-color: #0A0A0A;
    --nav-bg: #FFFFFF;
}

[data-theme="dark"] {
    --primary-color: #0d1e36;
    --secondary-color: #b39700;
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --nav-bg: #1e1e1e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Figtree', sans-serif;
}

h1, h2, h3, .logo-text {
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

/* Sticky Navbar */
.navbar {
    position: sticky;
    top: 0;
    background-color: var(--nav-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
}

.nav-links a:hover {
    color: var(--accent-color);
}

/* Buttons */
.btn-donate {
    background-color: var(--accent-color);
    color: #fff !important;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-weight: bold;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    text-decoration: none;
    display: inline-block;
    margin-top: 1rem;
}

/* Hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
}

/* Sections */
section {
    padding: 4rem 2rem;
    text-align: center;
}

.hero {
    background: linear-gradient(rgba(26, 61, 109, 0.8), rgba(26, 61, 109, 0.8)), url('hero-bg-placeholder.jpg') center/cover;
    color: #fff;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input, .contact-form textarea {
    padding: 1rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: var(--nav-bg);
    color: var(--text-color);
}

footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--nav-bg);
        padding: 1rem 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .nav-links.active {
        display: flex;
    }
    .hamburger {
        display: block;
    }
}