/* General Styles */
:root {
    --primary-color: #20c997;
    --secondary-color: #6c757d;
    --light-color: #f1f3f5;
    --dark-color: #343a40;
    --font-family: 'Poppins', sans-serif;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --glow: 0 0 20px rgba(32, 201, 151, 0.5);
}

body {
    font-family: var(--font-family);
    margin: 0;
    background-color: var(--light-color);
    color: var(--dark-color);
    background-image: linear-gradient(to right, rgba(255,255,255,0.95), rgba(255,255,255,0.95)), url('https://www.transparenttextures.com/patterns/subtle-noise.png');
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background-color: #fff;
    box-shadow: var(--shadow);
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.main-nav li {
    margin-left: 2.5rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.header-actions button {
    margin-left: 1.5rem;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.login-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.login-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.signup-btn {
    background-color: var(--primary-color);
    color: #fff;
    border: 2px solid var(--primary-color);
}

.signup-btn:hover {
    box-shadow: var(--glow);
}

/* Hero Section */
.hero {
    background-image: linear-gradient(to right, rgba(32, 201, 151, 0.8), rgba(32, 201, 151, 0.7)), url('https://images.unsplash.com/photo-1488521787991-ed7bbaae773c?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
    background-size: cover;
    background-position: center 70%;
    color: #fff;
    text-align: center;
    padding: 6rem 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
}

.cta-button {
    background-color: #fff;
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

/* Donation Dashboard */
.donation-dashboard {
    padding: 4rem 3rem;
}

.donation-dashboard h2 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 3rem;
}

.donation-listings {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6);
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 2.5rem;
    border-radius: 15px;
    width: 80%;
    max-width: 500px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.close-btn {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

#donation-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

#donation-form input {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1.5rem;
    border: 1px solid #ccc;
    border-radius: 8px;
}

/* Footer */
.main-footer {
    background-color: var(--dark-color);
    color: #fff;
    padding: 2rem;
    text-align: center;
}