/* ==========================================
   Global Reset & Base Setup
   ========================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #0b0f19;
    color: #ffffff;
    min-height: 100vh;
    line-height: 1.5;
}

/* ==========================================
   Header & Glassmorphism Navbar
   ========================================== */
.navbar-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.75);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-logo span {
    color: #ff0000; /* Hero Red */
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-link {
    color: #94a3b8;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding: 4px 0;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #ffffff;
}

/* Glowing underline indicator */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, #fdfbfb, #ff0000);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ==========================================
   Main Page Layout
   ========================================== */
.page-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px 60px;
}

.hero-intro {
    text-align: center;
    margin-bottom: 40px;
}

.hero-intro h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(180deg, #ffffff 0%, #94a3b8 100%);
    
    /* Add the standard property right above or below the webkit prefix */
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-intro p {
    color: #64748b;
    font-size: 1rem;
    margin-top: 6px;
}

/* Responsive Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

/* ==========================================
   Superhero Card Components
   ========================================== */
.hero-card {
    position: relative;
    height: 320px;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.4s ease;
}

/* Gradient Overlay for Readable Text */
.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 15, 25, 0) 40%, rgba(11, 15, 25, 0.95) 100%);
    transition: opacity 0.3s ease;
}

.card-content {
    position: relative;
    z-index: 2;
}

.universe-badge {
    display: inline-block;
    padding: 3px 10px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
    margin-bottom: 8px;
}

.universe-badge.marvel {
    background-color: rgba(229, 9, 20, 0.85);
    color: #fff;
}

.universe-badge.dc {
    background-color: rgba(0, 119, 255, 0.85);
    color: #fff;
}

.hero-name {
    color: #ffffff;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: transform 0.3s ease;
}

/* Hover States & Scaling */
.hero-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7), 0 0 20px rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.hero-card:hover .hero-name {
    transform: translateX(4px);
}

/* ==========================================
   Character Backgrounds & Custom Cursors
   ========================================== */
.p1 {
    background-image: url("images/image1.png");
    cursor: url("images/batman.png") 16 16, pointer;
}
.p2 {
    background-image: url("images/ironman.jpg");
    cursor: url("images/ironman.png") 16 16, pointer;
}
.p3 {
    background-image: url("images/spiderman.jpg");
    cursor: url("images/spiderman.png") 16 16, pointer;
}
.p4 {
    background-image: url("images/loki.jpg");
    cursor: url("images/loki.png") 16 16, pointer;
}
.p5 {
    background-image: url("images/strange.jpg");
    cursor: url("images/strange.png") 16 16, pointer;
}
.p6 {
    background-image: url("images/superman.jpg");
    cursor: url("images/superman.png") 16 16, pointer;
}
.p7 {
    background-image: url("images/captain.jpg");
    cursor: url("images/captain.png") 16 16, pointer;
}
.p8 {
    background-image: url("images/flash.jpg");
    cursor: url("images/flash.png") 16 16, pointer;
}

/* ==========================================
   Mobile Responsiveness
   ========================================== */
@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        gap: 12px;
    }

    .hero-intro h1 {
        font-size: 2rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}