/* ===========================
   BACKSTAGE EXPOSÉ STYLES
   Pulp Pop 90s Aesthetic
   =========================== */

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

:root {
    /* Pulp Color Palette */
    --primary-red: #E63946;
    --primary-black: #1D1D1D;
    --primary-yellow: #FFD60A;
    --accent-blue: #457B9D;
    --accent-cyan: #00B4D8;
    --neutral-gray: #6C757D;
    --light-gray: #F1FAEE;
    --white: #FFFFFF;
    
    /* Typography */
    --font-display: 'Bebas Neue', sans-serif;
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Source Sans Pro', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Effects */
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   NAVIGATION
   =========================== */

.navbar {
    background: var(--primary-black);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--primary-red);
    letter-spacing: 2px;
    margin: 0;
}

.tagline {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--primary-yellow);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: -5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-yellow);
    border-bottom: 2px solid var(--primary-yellow);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-red);
    transition: var(--transition);
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    position: relative;
    height: 80vh;
    min-height: 500px;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--accent-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(255, 214, 10, 0.03) 2px,
            rgba(255, 214, 10, 0.03) 4px
        );
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(29, 29, 29, 0.4);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 5rem;
    color: var(--primary-yellow);
    letter-spacing: 8px;
    margin-bottom: var(--spacing-sm);
    text-shadow: 4px 4px 0 var(--primary-red);
    animation: glitch 3s infinite;
}

@keyframes glitch {
    0%, 100% { text-shadow: 4px 4px 0 var(--primary-red); }
    50% { text-shadow: -4px 4px 0 var(--accent-cyan); }
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary-red);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   BUTTONS
   =========================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    background: #c9313c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--primary-yellow);
    color: var(--primary-black);
}

.btn-secondary:hover {
    background: #e6c109;
    transform: translateY(-2px);
}

.btn-book {
    background: var(--accent-blue);
    color: var(--white);
    width: 100%;
    text-align: center;
}

.btn-book:hover {
    background: #3a6882;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.25rem;
}

/* ===========================
   SECTIONS
   =========================== */

section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--primary-black);
    text-align: center;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--primary-red);
    margin: var(--spacing-sm) auto;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--neutral-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===========================
   COLLECTIONS
   =========================== */

.collections {
    background: var(--light-gray);
}

.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.collection-card {
    background: var(--white);
    padding: var(--spacing-lg);
    text-align: center;
    border: 3px solid var(--primary-black);
    box-shadow: 8px 8px 0 var(--primary-yellow);
    transition: var(--transition);
    cursor: pointer;
}

.collection-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--primary-red);
}

.collection-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.collection-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.collection-card p {
    color: var(--neutral-gray);
    line-height: 1.6;
}

/* ===========================
   BOOKS
   =========================== */

.featured-books {
    background: var(--white);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.book-card {
    background: var(--white);
    border: 3px solid var(--primary-black);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.book-cover {
    margin-bottom: var(--spacing-md);
    aspect-ratio: 2/3;
    overflow: hidden;
}

.book-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-black) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary-yellow);
}

.book-title-placeholder {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--primary-yellow);
    text-align: center;
    letter-spacing: 2px;
    line-height: 1.2;
}

.book-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary-black);
    margin-bottom: var(--spacing-xs);
}

.book-subtitle {
    font-style: italic;
    color: var(--primary-red);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.book-description {
    color: var(--neutral-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.view-all-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ===========================
   WHY SECTION
   =========================== */

.why-section {
    background: var(--primary-black);
    color: var(--white);
}

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

.why-section .section-title::after {
    background: var(--primary-yellow);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.why-card {
    text-align: center;
    padding: var(--spacing-md);
    border: 2px solid var(--primary-yellow);
    background: rgba(255, 214, 10, 0.05);
    transition: var(--transition);
}

.why-card:hover {
    background: rgba(255, 214, 10, 0.1);
    transform: translateY(-4px);
}

.why-icon {
    font-size: 3rem;
    color: var(--primary-yellow);
    margin-bottom: var(--spacing-sm);
}

.why-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--primary-yellow);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.why-card p {
    color: var(--light-gray);
    line-height: 1.6;
}

/* ===========================
   NEWSLETTER
   =========================== */

.newsletter {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.newsletter h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 3px;
}

.newsletter p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.newsletter-form {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 0;
    box-shadow: var(--shadow-lg);
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--primary-black);
    background: var(--white);
    color: var(--primary-black);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-red);
}

.form-disclaimer {
    font-size: 0.875rem;
    color: var(--neutral-gray);
    margin: 0;
}

/* ===========================
   SOCIAL PROOF
   =========================== */

.social-proof {
    background: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--primary-red);
    box-shadow: var(--shadow);
}

.stars {
    color: var(--primary-yellow);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-style: italic;
    color: var(--primary-black);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.testimonial-author {
    color: var(--neutral-gray);
    font-weight: 600;
}

/* ===========================
   FINAL CTA
   =========================== */

.final-cta {
    background: var(--primary-red);
    color: var(--white);
    text-align: center;
}

.final-cta h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 4px;
}

.final-cta p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

/* ===========================
   FOOTER
   =========================== */

.footer {
    background: var(--primary-black);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-col h4 {
    font-family: var(--font-heading);
    color: var(--primary-yellow);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer-col p {
    color: var(--light-gray);
    line-height: 1.6;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-yellow);
}

.affiliate-disclosure {
    font-size: 0.75rem;
    margin-top: var(--spacing-sm);
    font-style: italic;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--neutral-gray);
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-black);
        flex-direction: column;
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .collections-grid,
    .books-grid,
    .why-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        letter-spacing: 4px;
    }
    
    .btn {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
    }
}

/* ===========================
   ANIMATIONS
   =========================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ===========================
   UTILITY CLASSES
   =========================== */

.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.hidden {
    display: none;
}