/* ==========================================
   Spider-Man Fan Hub - CSS Styles
   ========================================== */

/* ==========================================
   CSS Variables
   ========================================== */
:root {
    --primary-red: #e31e24;
    --primary-blue: #1e3a8a;
    --dark-blue: #0f1729;
    --black: #000000;
    --white: #ffffff;
    --gray-light: #f8f9fa;
    --gray: #6c757d;
    --gray-dark: #343a40;
    
    --gradient-hero: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-blue) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(30,58,138,0.5) 100%);
    
    --font-primary: 'Roboto', sans-serif;
    --font-heading: 'Bebas Neue', cursive;
    
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.25);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.35);
}

/* ==========================================
   Reset & Base Styles
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-dark);
    overflow-x: hidden;
    background-color: var(--white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ==========================================
   Container
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   Navigation Bar
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--white);
    letter-spacing: 2px;
}

.spider-icon {
    font-size: 2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu li a {
    color: var(--white);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    position: relative;
    transition: var(--transition);
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: var(--transition);
}

.nav-menu li a:hover::before,
.nav-menu li a.active::before {
    width: 80%;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--primary-red);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    background-image: 
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="web" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><line x1="50" y1="0" x2="50" y2="100" stroke="rgba(255,255,255,0.1)" stroke-width="1"/><line x1="0" y1="50" x2="100" y2="50" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="1200" height="800" fill="url(%23web)"/></svg>'),
        var(--gradient-hero);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
    letter-spacing: 3px;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--primary-red);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    background: #c41a1f;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--white);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.scroll-arrow {
    font-size: 1.5rem;
    margin-top: 0.5rem;
}

/* ==========================================
   Section Styles
   ========================================== */
.section {
    padding: 5rem 0;
}

.section:nth-child(even) {
    background: var(--gray-light);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--dark-blue);
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.section-description {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   Movies Section
   ========================================== */
.movies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.movie-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
}

.movie-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.movie-image {
    position: relative;
    overflow: hidden;
    height: 400px;
}

.movie-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.movie-card:hover .movie-image img {
    transform: scale(1.1);
}

.movie-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.movie-card:hover .movie-overlay {
    opacity: 1;
}

.btn-view {
    padding: 0.8rem 2rem;
    background: var(--primary-red);
    color: var(--white);
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-view:hover {
    background: var(--primary-blue);
    transform: scale(1.05);
}

.movie-info {
    padding: 1.5rem;
}

.movie-info h3 {
    font-size: 1.3rem;
    color: var(--dark-blue);
    margin-bottom: 0.5rem;
}

.movie-info .year {
    color: var(--primary-red);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.movie-info .director {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ==========================================
   Versions Section
   ========================================== */
.versions-section {
    background: var(--dark-blue);
    color: var(--white);
}

.versions-section .section-title {
    color: var(--white);
}

.versions-section .section-description {
    color: rgba(255,255,255,0.8);
}

.versions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.version-card {
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.version-card:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.1);
    border-color: var(--primary-red);
}

.version-image {
    height: 300px;
    overflow: hidden;
}

.version-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.version-card:hover .version-image img {
    transform: scale(1.1);
}

.version-info {
    padding: 1.5rem;
}

.version-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
    color: var(--primary-red);
}

.version-subtitle {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.version-description {
    color: rgba(255,255,255,0.8);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.version-link {
    display: inline-block;
    color: var(--primary-red);
    font-weight: 600;
    transition: var(--transition);
}

.version-link:hover {
    color: var(--white);
    transform: translateX(5px);
}

/* ==========================================
   Villains Section
   ========================================== */
.villains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.villain-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 3px solid transparent;
}

.villain-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-red);
}

.villain-image {
    position: relative;
    height: 350px;
    overflow: hidden;
}

.villain-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.villain-card:hover .villain-image img {
    transform: scale(1.1);
}

.villain-threat-level {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    backdrop-filter: blur(5px);
}

.villain-threat-level.extreme {
    background: rgba(227, 30, 36, 0.9);
    color: var(--white);
}

.villain-threat-level.high {
    background: rgba(255, 165, 0, 0.9);
    color: var(--white);
}

.villain-threat-level.medium {
    background: rgba(255, 215, 0, 0.9);
    color: var(--black);
}

.villain-info {
    padding: 1.5rem;
}

.villain-info h3 {
    font-size: 1.5rem;
    color: var(--dark-blue);
    margin-bottom: 0.3rem;
}

.villain-alias {
    color: var(--primary-red);
    font-weight: 600;
    margin-bottom: 1rem;
    font-style: italic;
}

.villain-description {
    color: var(--gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.villain-link {
    display: inline-block;
    color: var(--primary-red);
    font-weight: 600;
    transition: var(--transition);
}

.villain-link:hover {
    color: var(--primary-blue);
    transform: translateX(5px);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-red);
    letter-spacing: 1px;
}

.footer-section p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-red);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 5px;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-red);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ==========================================
   Responsive Design
   ========================================== */

/* Tablets */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .movies-grid,
    .versions-grid,
    .villains-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    .movies-grid,
    .versions-grid,
    .villains-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-brand {
        font-size: 1.2rem;
    }
    
    .spider-icon {
        font-size: 1.5rem;
    }
}

/* Large Desktops */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 5rem;
    }
}

/* ==========================================
   Accessibility
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus {
    outline: 2px solid var(--primary-red);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero-overlay {
        background: rgba(0,0,0,0.9);
    }
    
    .version-card {
        border: 2px solid var(--white);
    }
}