* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f4f7fb;
    color: #333;
    line-height: 1.6;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

header {
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: #fff;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: auto;
    padding: 15px 0;
}

.nav-brand a {
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-menu li a {
    color: #fff;
    padding: 8px 12px;
    border-radius: 30px;
    transition: background 0.3s;
}

.nav-menu li a:hover {
    background: rgba(255,255,255,0.2);
    text-decoration: none;
}

.hamburger {
    display: none;
    font-size: 2rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: linear-gradient(135deg, #6a11cb, #2575fc);
        position: absolute;
        top: 60px;
        left: 0;
        padding: 20px;
    }
    .nav-menu.active {
        display: flex;
    }
    .hamburger {
        display: block;
    }
}

.hero {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    color: #fff;
    text-align: center;
    padding: 80px 20px;
    border-radius: 0 0 50px 50px;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: auto;
}

.section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.section h2 {
    margin-bottom: 20px;
    font-size: 1.8rem;
    color: #333;
    border-left: 5px solid #2575fc;
    padding-left: 15px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.card {
    background: #fff;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.card h3 {
    margin-bottom: 10px;
    color: #2575fc;
}

.card p {
    margin-bottom: 8px;
    color: #555;
}

.review-card {
    border-left: 5px solid #f5576c;
}

.case-card {
    border-left: 5px solid #6a11cb;
}

.filter-bar {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-bar input, .filter-bar select {
    padding: 10px 15px;
    border-radius: 30px;
    border: 1px solid #ccc;
    font-size: 1rem;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 60px;
}

footer a {
    color: #ffd700;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
}

.login-container input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border-radius: 30px;
    border: 1px solid #ccc;
}

.login-container button {
    padding: 12px 30px;
    border-radius: 30px;
    border: none;
    background: #2575fc;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

.login-container button:hover {
    background: #6a11cb;
}

.admin-panel {
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.admin-panel textarea {
    border-radius: 10px;
    border: 1px solid #ccc;
    padding: 10px;
    font-family: monospace;
}

.admin-panel button {
    padding: 12px 30px;
    border-radius: 30px;
    border: none;
    background: #2575fc;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 10px;
}

img {
    border-radius: 10px;
    margin-top: 10px;
}