:root {
    --primary: #4DB7FE;
    --primary-dark: #384F95;
    --dark: #2e3f6e;
    --light: #ffffff;
    --font-body: "Roboto", sans-serif;
    --font-title: "Raleway", sans-serif;
}

body {
    font-family: var(--font-body);
    color: #222;
}

a {
    color: inherit;
    text-decoration: none;
}

.navbar-logo {
    height: 40px;
    width: 40px;
}

.footer-logo {
    height: 40px;
    width: 40px;
}

.custom-navbar {
    background: var(--dark);
}

.custom-navbar .navbar-brand span {
    color: var(--light);
    font-family: var(--font-title);
    font-weight: 700;
}

.custom-navbar .nav-link {
    color: var(--light) !important;
    font-family: var(--font-body);
}

.custom-navbar .nav-link:hover,
.custom-navbar .nav-link.active {
    color: var(--primary) !important;
}

.hero-section {
    background: linear-gradient(135deg, var(--dark), #3d528b);
    color: var(--light);
    padding: 80px 0;
}

.hero-title,
.hero-subtitle {
    font-family: var(--font-title);
}

.hero-title span {
    color: var(--primary);
}

.search-btn,
.post-btn {
    background: var(--primary);
    color: #fff;
    border: none;
}

.search-btn:hover,
.post-btn:hover {
    background: var(--primary-dark);
    color: #fff;
}

.category-card {
    display: block;
    text-align: center;
    padding: 20px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    text-decoration: none;
    color: #222;
    transition: 0.2s ease;
}

.category-card:hover {
    transform: translateY(-3px);
}