/* গুগল ফন্ট ইমপোর্ট */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&family=Hind+Siliguri:wght@400;600&display=swap');

:root {
    --primary-green: #2E7D32;
    --dark-green: #1b5e20;
    --light-green: #e8f5e9;
    --accent-orange: #ff9800;
    --hover-orange: #e68a00;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-color: #f4fdf4;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
}

/* --- হেডার ডিজাইন --- */
.main-header {
    background: linear-gradient(135deg, var(--dark-green), var(--primary-green));
    color: white;
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    flex-wrap: wrap; /* মোবাইল ভিউয়ের জন্য */
}

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

.logo img {
    height: 45px;
    width: 45px;
    border-radius: 50%;
    object-fit: cover;
    background: white;
    padding: 2px;
}

.logo h1 {
    font-size: 24px;
    letter-spacing: 1px;
    margin: 0;
}

.main-header ul {
    list-style: none;
    display: flex;
    gap: 25px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.main-header a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s ease;
}

.main-header a:hover {
    color: var(--accent-orange);
}

/* --- মোবাইল ভিউ (Responsive) --- */
@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        padding: 15px;
    }
    .logo {
        justify-content: center;
    }
    .logo h1 {
        font-size: 20px;
    }
    .main-header ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
}

/* --- বাটন ডিজাইন --- */
.btn-donate {
    background-color: var(--accent-orange);
    padding: 10px 20px;
    border-radius: 25px;
    box-shadow: 0 4px 6px rgba(255, 152, 0, 0.3);
    text-transform: uppercase;
    font-size: 14px;
}

.btn-donate:hover {
    background-color: var(--hover-orange);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 152, 0, 0.4);
    color: white !important;
}

/* --- পোস্ট কার্ড (অ্যাপ-লাইক ডিজাইন) --- */
.post-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin: 25px auto;
    width: 90%;
    max-width: 700px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-top: 5px solid var(--primary-green);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.post-card h2, .post-card h3 {
    color: var(--primary-green);
    margin-bottom: 10px;
}

/* --- ফর্ম ইনপুট ডিজাইন --- */
input, select, textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #fafafa;
    transition: 0.3s;
    font-size: 15px;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary-green);
    outline: none;
    box-shadow: 0 0 8px rgba(46, 125, 50, 0.2);
    background-color: white;
}

button[type="submit"] {
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
}