/**
 * YER ALTINDA - POST-APOCALYPTIC BOOK PROMOTION
 * Professional Clean Theme
 * 
 * Color Palette:
 * - Deep Blue: #2c3e50, #34495e
 * - Warm Orange: #e67e22, #d35400
 * - Golden Yellow: #f39c12, #e74c3c
 */

/* ======================================
   GLOBAL VARIABLES & RESET
   ====================================== */
:root {
    /* Professional Clean Color Palette */
    --deep-blue: #2c3e50;              /* Ana koyu mavi */
    --deep-blue-light: #34495e;        /* Açık koyu mavi */
    --deep-blue-dark: #1a252f;         /* Çok koyu mavi */
    --warm-orange: #e67e22;            /* Ana turuncu */
    --warm-orange-light: #f39c12;      /* Açık turuncu */
    --warm-orange-dark: #d35400;       /* Koyu turuncu */
    --golden-yellow: #f1c40f;          /* Ana sarı */
    --golden-yellow-light: #f9e79f;    /* Açık sarı */
    --golden-yellow-dark: #d4ac0d;     /* Koyu sarı */
    --clean-white: #ffffff;            /* Temiz beyaz */
    --light-gray: #ecf0f1;             /* Açık gri */
    --text-dark: #2c3e50;              /* Koyu metin */
    --text-light: #95a5a6;             /* Açık metin */
    
    /* Professional Gradients */
    --blue-gradient: linear-gradient(135deg, var(--deep-blue) 0%, var(--deep-blue-light) 100%);
    --orange-gradient: linear-gradient(135deg, var(--warm-orange) 0%, var(--warm-orange-dark) 100%);
    --yellow-gradient: linear-gradient(135deg, var(--golden-yellow) 0%, var(--golden-yellow-dark) 100%);
    --light-gradient: linear-gradient(135deg, var(--clean-white) 0%, var(--light-gray) 100%);
    
    /* Modern Professional Typography */
    --font-title: 'Oswald', sans-serif;              /* Modern başlıklar */
    --font-body: 'Open Sans', sans-serif;            /* Ana metin */
    --font-accent: 'Roboto Condensed', sans-serif;   /* Vurgu metinler */
    
    /* Spacing & Layout */
    --section-padding: 100px 0;
    --container-max-width: 1200px;
    
    /* Professional Effects */
    --clean-shadow: 0 4px 16px rgba(44, 62, 80, 0.1);
    --hover-shadow: 0 8px 32px rgba(44, 62, 80, 0.15);
    --focus-shadow: 0 0 0 3px rgba(230, 126, 34, 0.3);
    
    /* Smooth Animations */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, 
        #f8f9fa 0%,      /* Temiz beyaz */
        #e9ecef 30%,     /* Açık gri */
        #dee2e6 70%,     /* Orta gri */
        #ced4da 100%     /* Koyu gri */
    );
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ======================================
   CLEAN BACKGROUND ELEMENTS
   ====================================== */
.radioactive-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
    opacity: 0.1;
}

.radioactive-particles::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--warm-orange), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--golden-yellow), transparent),
        radial-gradient(1px 1px at 90px 40px, var(--deep-blue), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: gentleFloat 30s linear infinite;
}

@keyframes gentleFloat {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-200px, -100px); }
}

/* ======================================
   CONTAINER & LAYOUT
   ====================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

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

/* ======================================
   NAVIGATION - CLEAN PROFESSIONAL STYLE
   ====================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 3px solid var(--warm-orange);
    box-shadow: var(--clean-shadow);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-title);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--deep-blue);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
}

.logo:hover {
    color: var(--warm-orange);
    transform: translateY(-1px);
}

.logo i {
    font-size: 1.8rem;
    color: var(--golden-yellow);
    transition: var(--transition-smooth);
}

.logo:hover i {
    color: var(--warm-orange);
    transform: rotate(10deg);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-family: var(--font-accent);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 16px;
    border-radius: 4px;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--warm-orange);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--warm-orange);
    transform: translateY(-1px);
}

.nav-link:hover::after {
    width: 80%;
}
.nav-link:hover {
    color: var(--antique-gold);
    background: rgba(205, 155, 29, 0.1);
    text-shadow: 0 0 10px var(--antique-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--burnt-orange);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* ======================================
   HERO SECTION - CLEAN PROFESSIONAL
   ====================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, 
        var(--clean-white) 0%,
        var(--light-gray) 100%
    );
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.1;
}

.ruins-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 40%, rgba(230, 126, 34, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 60%, rgba(241, 196, 15, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(44, 62, 80, 0.05) 0%, transparent 40%);
}

.radiation-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 60% 30%, rgba(241, 196, 15, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 70%, rgba(44, 62, 80, 0.05) 0%, transparent 40%);
}

.snow-layer {
    display: none; /* Temiz tema için kaldırıldı */
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 2;
}

/* ======================================
   BOOK SHOWCASE - CLEAN PROFESSIONAL STYLE
   ====================================== */
.book-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.book-cover {
    position: relative;
    width: 300px;
    height: 450px;
    cursor: pointer;
    transition: var(--transition-smooth);
    transform-style: preserve-3d;
}

.book-cover:hover {
    transform: scale(1.05) rotateY(5deg);
    box-shadow: var(--hover-shadow);
}

.cover-design {
    width: 100%;
    height: 100%;
    background: var(--blue-gradient);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    border: 3px solid var(--warm-orange);
    box-shadow: var(--clean-shadow);
}

.cover-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        var(--deep-blue) 0%, 
        var(--deep-blue-light) 100%
    );
}

.ruins-silhouette {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.3) 0%, 
        transparent 100%
    );
}

.soldier-silhouette {
    position: absolute;
    right: 15%;
    bottom: 25%;
    width: 50px;
    height: 100px;
    background: rgba(0, 0, 0, 0.6);
    clip-path: polygon(45% 0%, 55% 0%, 60% 30%, 65% 35%, 70% 40%, 75% 50%, 75% 70%, 70% 80%, 65% 90%, 55% 100%, 45% 100%, 35% 90%, 30% 80%, 25% 70%, 25% 50%, 30% 40%, 35% 35%, 40% 30%);
} 
.cover-title {
    position: absolute;
    top: 25%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 5;
}

.cover-title h1 {
    font-family: var(--font-title);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--golden-yellow);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 2px;
    line-height: 0.9;
}

.cover-author {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clean-white);
    letter-spacing: 1px;
    text-transform: uppercase;
    z-index: 5;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}

.radiation-symbol {
    position: absolute;
    top: 65%;
    right: 20%;
    font-size: 2rem;
    color: var(--warm-orange);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    z-index: 5;
}

.cover-tagline {
    position: absolute;
    bottom: 12%;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-accent);
    font-size: 0.65rem;
    color: var(--text-light);
    letter-spacing: 1px;
    text-transform: uppercase;
    z-index: 5;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    border: 1px solid var(--text-light);
    padding: 4px 8px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.3);
}

.cover-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: var(--orange-gradient);
    border-radius: 15px;
    opacity: 0;
    z-index: -1;
    transition: var(--transition-smooth);
    filter: blur(20px);
}

.book-cover:hover .cover-glow {
    opacity: 0.2;

    position: absolute;
    top: 22%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 5;
}

.cover-title h1 {
    font-family: var(--font-title);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--faded-yellow);
    text-shadow: 
        0 0 15px var(--faded-yellow),
        0 0 30px var(--weathered-orange),
        3px 3px 6px rgba(0, 0, 0, 0.8),
        0 0 50px rgba(212, 175, 55, 0.4);
    letter-spacing: 3px;
    line-height: 0.9;
    animation: weatheredGlow 4s ease-in-out infinite;
    /* Cracked text effect */
    background: linear-gradient(45deg, 
        var(--faded-yellow) 0%, 
        var(--weathered-orange) 30%,
        var(--faded-yellow) 70%, 
        var(--weathered-orange) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px var(--faded-yellow));
}

@keyframes weatheredGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 8px var(--faded-yellow)) drop-shadow(0 0 15px var(--weathered-orange));
        transform: translateX(-50%) scale(1);
    }
    50% { 
        filter: drop-shadow(0 0 12px var(--faded-yellow)) drop-shadow(0 0 25px var(--weathered-orange));
        transform: translateX(-50%) scale(1.02);
    }
}

.cover-author {
    position: absolute;
    bottom: 18%;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--aged-white);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    z-index: 5;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.radiation-symbol {
    position: absolute;
    top: 50%;
    right: 10%;
    font-size: 3rem;
    color: var(--rust-red);
    text-shadow: 0 0 20px var(--rust-red);
    animation: pulse-radiation 3s ease-in-out infinite;
    z-index: 5;
}

.radiation-symbol {
    position: absolute;
    top: 60%;
    right: 15%;
    font-size: 2.5rem;
    color: var(--weathered-orange);
    text-shadow: 
        0 0 10px var(--weathered-orange),
        0 0 20px var(--faded-yellow),
        2px 2px 4px rgba(0, 0, 0, 0.8);
    animation: symbolPulse 3s ease-in-out infinite;
    z-index: 5;
}

@keyframes symbolPulse {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
        filter: drop-shadow(0 0 8px var(--weathered-orange));
    }
    50% { 
        transform: scale(1.1) rotate(5deg);
        filter: drop-shadow(0 0 15px var(--weathered-orange));
    }
}

.cover-tagline {
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--muted-blue-light);
    letter-spacing: 1px;
    text-transform: uppercase;
    z-index: 5;
    text-align: center;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    border: 1px solid var(--muted-blue);
    padding: 4px 8px;
    border-radius: 4px;
    background: rgba(74, 85, 104, 0.2);
}

.cover-glow {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    background: var(--orange-gradient);
    border-radius: 20px;
    opacity: 0;
    z-index: -1;
    transition: var(--transition-glow);
    filter: blur(25px);
}

.book-cover:hover .cover-glow {
    opacity: 0.4;
    animation: weatheredGlowPulse 2s ease-in-out infinite;
}

@keyframes weatheredGlowPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.4;
    }
    50% { 
        transform: scale(1.05);
        opacity: 0.6;
    }
}

/* ======================================
   QUICK ACTIONS - CLEAN PROFESSIONAL STYLE
   ====================================== */
.quick-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.btn-read-now, .btn-preview {
    padding: 12px 24px;
    border: 2px solid var(--warm-orange);
    border-radius: 6px;
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-read-now {
    background: var(--yellow-gradient);
    color: var(--text-dark);
    box-shadow: var(--clean-shadow);
    border-color: var(--golden-yellow);
}

.btn-read-now:hover {
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
    background: linear-gradient(135deg, var(--golden-yellow) 0%, var(--warm-orange-light) 100%);
}

.btn-preview {
    background: transparent;
    color: var(--deep-blue);
    border-color: var(--deep-blue);
}

.btn-preview:hover {
    background: var(--blue-gradient);
    color: var(--clean-white);
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

.btn-read-now:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 12px 25px rgba(204, 122, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, var(--faded-yellow-light) 0%, var(--faded-yellow) 100%);
    border-color: var(--faded-yellow-light);
}

.btn-preview {
    background: rgba(74, 85, 104, 0.2);
    color: var(--aged-white);
    border-color: var(--muted-blue);
    backdrop-filter: blur(10px);
}

.btn-preview:hover {
    background: var(--blue-gradient);
    color: var(--aged-white);
    transform: translateY(-2px);
    box-shadow: 
        0 8px 20px rgba(74, 85, 104, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border-color: var(--muted-blue-light);
}

/* Button crack effect */
.btn-read-now::before, .btn-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: var(--transition-smooth);
}

.btn-read-now:hover::before, .btn-preview:hover::before {
    left: 100%;
}

/* ======================================
   BOOK INFO - CLEAN PROFESSIONAL STYLE
   ====================================== */
.book-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.book-header {
    text-align: left;
}

.book-title {
    font-family: var(--font-title);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--deep-blue);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.book-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.genre-tags {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tag {
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-accent);
    transition: var(--transition-smooth);
}

.tag.post-apocalyptic {
    background: rgba(44, 62, 80, 0.1);
    color: var(--deep-blue);
    border: 2px solid var(--deep-blue);
}

.tag.sci-fi {
    background: rgba(230, 126, 34, 0.1);
    color: var(--warm-orange);
    border: 2px solid var(--warm-orange);
}

.tag.survival {
    background: rgba(241, 196, 15, 0.1);
    color: var(--golden-yellow-dark);
    border: 2px solid var(--golden-yellow-dark);
}

.tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--clean-shadow);
}

.book-summary {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-dark);
}

.lead-text {
    font-size: 1.1rem;
    color: var(--warm-orange);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.dramatic-quote {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(44, 62, 80, 0.05);
    border-left: 4px solid var(--deep-blue);
    border-radius: 0 8px 8px 0;
    box-shadow: var(--clean-shadow);
}

.dramatic-quote i {
    color: var(--deep-blue);
    font-size: 1.2rem;
    margin-right: 1rem;
}

.dramatic-quote em {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-dark);
}

/* ======================================
   SECTION HEADERS - CLEAN PROFESSIONAL
   ====================================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--deep-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.section-title i {
    color: var(--warm-orange);
    font-size: 2rem;
}

.section-decoration {
    width: 80px;
    height: 4px;
    background: var(--orange-gradient);
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
}

.section-decoration::before,
.section-decoration::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 8px;
    height: 8px;
    background: var(--golden-yellow);
    border-radius: 50%;
    transform: translateY(-50%);
}

.section-decoration::before {
    left: -12px;
}

.section-decoration::after {
    right: -12px;

 
    color: var(--weathered-orange);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-shadow: 
        0 0 15px var(--weathered-orange),
        0 0 30px rgba(204, 122, 0, 0.4),
        3px 3px 6px rgba(0, 0, 0, 0.8);
    /* Weathered text effect */
    background: linear-gradient(135deg, 
        var(--weathered-orange) 0%,
        var(--faded-yellow) 50%,
        var(--weathered-orange) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px var(--weathered-orange));
}

.section-title i {
    color: var(--faded-yellow);
    font-size: 2.2rem;
    filter: drop-shadow(0 0 10px var(--faded-yellow));
}

.section-decoration {
    width: 120px;
    height: 4px;
    background: var(--orange-gradient);
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
    box-shadow: 
        0 0 10px var(--weathered-orange),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    /* Cracked effect */
    background-image: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 8px,
            rgba(0, 0, 0, 0.3) 8px,
            rgba(0, 0, 0, 0.3) 9px
        );
}

.section-decoration::before,
.section-decoration::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 10px;
    height: 10px;
    background: var(--antique-gold);
    border-radius: 50%;
    transform: translateY(-50%);
}

.section-decoration::before {
    left: -15px;
}

.section-decoration::after {
    right: -15px;
}

/* ======================================
   DETAILS SECTION
   ====================================== */
.details {
    padding: var(--section-padding);
    background: rgba(26, 26, 26, 0.5);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.detail-card {
    background: var(--steel-gradient);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--dark-forest-green);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.1), transparent);
    transition: left 0.6s ease;
}

.detail-card:hover::before {
    left: 100%;
}

.detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(255, 107, 0, 0.2);
    border-color: var(--warning-yellow);
}

.detail-icon {
    width: 60px;
    height: 60px;
    background: var(--nuclear-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: var(--transition-smooth);
}

.detail-icon i {
    font-size: 1.5rem;
    color: var(--steel-gray-dark);
}

.detail-card:hover .detail-icon {
    transform: scale(1.1) rotate(5deg);
}

.detail-card h4 {
    font-family: var(--font-tech);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--warning-yellow);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-card p {
    color: var(--ash-gray);
    font-size: 1rem;
    line-height: 1.6;
}

/* ======================================
   AUTHOR SECTION
   ====================================== */
.author {
    padding: var(--section-padding);
}

.author-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.author-avatar {
    width: 150px;
    height: 150px;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: var(--steel-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--nuclear-green);
    transition: var(--transition-smooth);
}

.avatar-placeholder:hover {
    box-shadow: 0 0 30px var(--nuclear-green);
    transform: scale(1.05);
}

.avatar-placeholder i {
    font-size: 4rem;
    color: var(--nuclear-green);
}

.author-info h3 {
    font-family: var(--font-futuristic);
    font-size: 1.8rem;
    color: var(--radiation-orange);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.author-title {
    color: var(--warning-yellow);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.author-bio, .author-note {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--ash-gray);
    margin-bottom: 1rem;
}

.author-note {
    color: var(--radiation-orange);
    font-style: italic;
    font-weight: 600;
}

/* ======================================
   UNIVERSE SECTION
   ====================================== */
.universe {
    padding: var(--section-padding);
    background: rgba(26, 26, 26, 0.5);
}

.universe-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--radiation-gradient);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-marker {
    width: 60px;
    height: 60px;
    background: var(--steel-gradient);
    border: 3px solid var(--radiation-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    z-index: 2;
    transition: var(--transition-smooth);
}

.timeline-marker:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--radiation-orange);
}

.timeline-marker i {
    font-size: 1.5rem;
    color: var(--nuclear-green);
}

.timeline-content h4 {
    font-family: var(--font-tech);
    font-size: 1.3rem;
    color: var(--nuclear-green);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.timeline-content p {
    color: var(--ash-gray);
    line-height: 1.6;
}

.world-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.world-card {
    background: var(--steel-gradient);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--radiation-orange);
    transition: var(--transition-smooth);
}

.world-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.2);
}

.world-card h4 {
    font-family: var(--font-tech);
    font-size: 1.2rem;
    color: var(--radiation-orange);
    margin-bottom: 1rem;
    font-weight: 700;
    text-transform: uppercase;
}

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

/* ======================================
   CHARACTERS SECTION
   ====================================== */
.characters {
    padding: var(--section-padding);
}

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

.character-card {
    background: var(--steel-gradient);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--ash-gray);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.character-card.main {
    border-color: var(--nuclear-green);
    box-shadow: 0 0 30px rgba(57, 255, 20, 0.2);
}

.character-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(57, 255, 20, 0.1), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
    animation: rotate 10s linear infinite;
}

.character-card:hover::before {
    opacity: 1;
}

.character-card:hover {
    transform: translateY(-10px);
    border-color: var(--nuclear-green);
    box-shadow: 0 20px 60px rgba(57, 255, 20, 0.3);
}

.character-icon {
    width: 80px;
    height: 80px;
    background: var(--nuclear-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: var(--transition-smooth);
    position: relative;
    z-index: 2;
}

.character-icon i {
    font-size: 2rem;
    color: var(--steel-gray-dark);
}

.character-card:hover .character-icon {
    transform: scale(1.1) rotate(10deg);
}

.character-card h4 {
    font-family: var(--font-futuristic);
    font-size: 1.3rem;
    color: var(--nuclear-green);
    margin-bottom: 0.5rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.character-role {
    color: var(--radiation-orange);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.character-desc {
    color: var(--ash-gray);
    line-height: 1.6;
    font-size: 0.95rem;
    position: relative;
    z-index: 2;
}

/* ======================================
   QUOTES SECTION
   ====================================== */
.quotes {
    padding: var(--section-padding);
    background: rgba(26, 26, 26, 0.5);
}

.quotes-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.quote-card {
    background: var(--steel-gradient);
    padding: 2.5rem;
    border-radius: 15px;
    border-left: 5px solid var(--nuclear-green);
    position: relative;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.quote-card.main {
    border-left-width: 8px;
    box-shadow: 0 0 40px rgba(57, 255, 20, 0.2);
}

.quote-card:hover {
    transform: translateX(10px);
    box-shadow: 0 20px 60px rgba(57, 255, 20, 0.3);
}

.quote-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--nuclear-green);
    font-family: var(--font-futuristic);
    opacity: 0.3;
}

.quote-text {
    font-size: 1.3rem;
    font-style: italic;
    line-height: 1.7;
    color: var(--ash-white);
    margin-bottom: 1.5rem;
    font-family: var(--font-tech);
    font-weight: 400;
}

.quote-source {
    color: var(--nuclear-green);
    font-weight: 600;
    text-align: right;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

/* ======================================
   PREVIEW SECTION
   ====================================== */
.preview {
    padding: var(--section-padding);
}

.preview-content {
    max-width: 800px;
    margin: 0 auto;
}

.preview-text {
    background: var(--steel-gradient);
    padding: 3rem;
    border-radius: 15px;
    border: 1px solid var(--nuclear-green);
    position: relative;
}

.chapter-header {
    text-align: center;
    margin-bottom: 2rem;
}

.chapter-header h3 {
    font-family: var(--font-futuristic);
    font-size: 1.8rem;
    color: var(--nuclear-green);
    margin-bottom: 1rem;
    font-weight: 700;
}

.chapter-line {
    width: 100px;
    height: 2px;
    background: var(--radiation-gradient);
    margin: 0 auto;
    border-radius: 1px;
}

.preview-paragraph {
    margin-bottom: 2rem;
}

.preview-paragraph p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--ash-white);
    margin-bottom: 1.5rem;
    text-align: justify;
}

.preview-note {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(57, 255, 20, 0.05);
    border-radius: 10px;
    border: 1px solid var(--nuclear-green);
}

.note-icon i {
    color: var(--nuclear-green);
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.preview-note p {
    color: var(--ash-gray);
    line-height: 1.6;
    margin: 0;
}

/* ======================================
   AUTHOR NOTE SECTION
   ====================================== */
.author-note {
    padding: var(--section-padding);
    background: rgba(26, 26, 26, 0.5);
}

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

.note-content .note-icon {
    width: 80px;
    height: 80px;
    background: var(--nuclear-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.note-content .note-icon i {
    font-size: 2rem;
    color: var(--steel-gray-dark);
}

.note-content h3 {
    font-family: var(--font-futuristic);
    font-size: 2rem;
    color: var(--nuclear-green);
    margin-bottom: 2rem;
    font-weight: 700;
}

.note-content blockquote {
    font-size: 1.3rem;
    font-style: italic;
    line-height: 1.7;
    color: var(--ash-white);
    margin-bottom: 1.5rem;
    padding: 2rem;
    background: rgba(57, 255, 20, 0.05);
    border-radius: 15px;
    border-left: 4px solid var(--nuclear-green);
}

.note-content cite {
    color: var(--nuclear-green);
    font-weight: 600;
    font-style: normal;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ======================================
   CTA SECTION
   ====================================== */
.cta {
    padding: var(--section-padding);
    background: var(--steel-gradient);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(57, 255, 20, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 0, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-header h2 {
    font-family: var(--font-futuristic);
    font-size: 2.5rem;
    color: var(--nuclear-green);
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta-header p {
    font-size: 1.2rem;
    color: var(--ash-gray);
    line-height: 1.7;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary, .btn-tertiary {
    padding: 15px 30px;
    border: none;
    border-radius: 30px;
    font-family: var(--font-tech);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.btn-primary.large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--nuclear-gradient);
    color: var(--steel-gray-dark);
    box-shadow: 0 10px 40px rgba(57, 255, 20, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(57, 255, 20, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--radiation-orange);
    border: 2px solid var(--radiation-orange);
}

.btn-secondary:hover {
    background: var(--radiation-gradient);
    color: var(--steel-gray-dark);
    transform: translateY(-3px);
}

.btn-tertiary {
    background: transparent;
    color: var(--ash-white);
    border: 2px solid var(--ash-gray);
}

.btn-tertiary:hover {
    background: var(--ash-white);
    color: var(--steel-gray-dark);
    transform: translateY(-2px);
}

.release-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.release-status, .expected-release, .format-info {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    font-size: 1rem;
    color: var(--ash-gray);
}

.release-status i, .expected-release i, .format-info i {
    color: var(--nuclear-green);
    font-size: 1.2rem;
}

.release-status strong, .expected-release strong, .format-info strong {
    color: var(--nuclear-green);
}

/* ======================================
   SOCIAL SECTION
   ====================================== */
.social {
    padding: var(--section-padding);
}

.social-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.social-content h3 {
    font-family: var(--font-futuristic);
    font-size: 2rem;
    color: var(--nuclear-green);
    margin-bottom: 1rem;
    font-weight: 700;
}

.social-content p {
    font-size: 1.1rem;
    color: var(--ash-gray);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--steel-gradient);
    color: var(--ash-white);
    text-decoration: none;
    border-radius: 25px;
    border: 1px solid var(--ash-gray);
    transition: var(--transition-smooth);
    font-weight: 600;
}

.social-link.instagram:hover {
    border-color: #e4405f;
    color: #e4405f;
    box-shadow: 0 8px 25px rgba(228, 64, 95, 0.3);
}

.social-link.twitter:hover {
    border-color: #1da1f2;
    color: #1da1f2;
    box-shadow: 0 8px 25px rgba(29, 161, 242, 0.3);
}

.social-link.wattpad:hover {
    border-color: #ff6500;
    color: #ff6500;
    box-shadow: 0 8px 25px rgba(255, 101, 0, 0.3);
}

.social-link.goodreads:hover {
    border-color: #553b08;
    color: #d4af37;
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

.share-section h4 {
    color: var(--nuclear-green);
    margin-bottom: 1rem;
    font-family: var(--font-tech);
    font-weight: 600;
}

.share-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.share-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 1.2rem;
}

.share-btn.facebook {
    background: #1877f2;
    color: white;
}

.share-btn.twitter {
    background: #1da1f2;
    color: white;
}

.share-btn.whatsapp {
    background: #25d366;
    color: white;
}

.share-btn.copy {
    background: var(--steel-gradient);
    color: var(--nuclear-green);
    border: 2px solid var(--nuclear-green);
}

.share-btn:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ======================================
   FOOTER
   ====================================== */
.footer {
    background: var(--steel-gray-dark);
    padding: 3rem 0;
    border-top: 1px solid var(--nuclear-green);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.footer-info h4 {
    font-family: var(--font-futuristic);
    color: var(--nuclear-green);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-info p {
    color: var(--ash-gray);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--ash-gray);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--nuclear-green);
}

/* ======================================
   MODAL SYSTEMS
   ====================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    backdrop-filter: blur(10px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--steel-gradient);
    border: 2px solid var(--nuclear-green);
    border-radius: 15px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.4s ease-out;
}

.cover-modal-content {
    max-width: 400px;
}

.modal-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--ash-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-family: var(--font-futuristic);
    color: var(--nuclear-green);
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--radiation-orange);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--nuclear-green);
    transform: scale(1.2);
}

.modal-body {
    padding: 2rem;
}

.coming-soon-content, .notify-content {
    text-align: center;
}

.coming-soon-content i {
    font-size: 4rem;
    color: var(--warning-yellow);
    margin-bottom: 1rem;
    animation: pulse-radiation 2s ease-in-out infinite;
}

.notify-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.notify-form input {
    padding: 12px;
    border: 2px solid var(--ash-gray);
    border-radius: 8px;
    background: var(--steel-gray);
    color: var(--ash-white);
    font-size: 1rem;
    font-family: var(--font-tech);
}

.notify-form input:focus {
    outline: none;
    border-color: var(--nuclear-green);
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
}

.notify-form button {
    padding: 12px;
    background: var(--nuclear-gradient);
    border: none;
    border-radius: 8px;
    color: var(--steel-gray-dark);
    font-weight: 600;
    font-family: var(--font-tech);
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.notify-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(57, 255, 20, 0.4);
}

.privacy-note {
    font-size: 0.85rem;
    color: var(--ash-gray);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 1rem;
}

.privacy-note i {
    color: var(--nuclear-green);
}

.large-cover {
    display: flex;
    justify-content: center;
}

.large-cover .cover-design {
    width: 250px;
    height: 375px;
}

/* ======================================
   ANIMATIONS
   ====================================== */
@keyframes pulse-radiation {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
        text-shadow: 0 0 20px currentColor;
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
        text-shadow: 0 0 40px currentColor;
    }
}

@keyframes title-glow {
    0%, 100% {
        text-shadow: 
            0 0 20px var(--nuclear-green),
            0 0 40px var(--nuclear-green),
            2px 2px 4px rgba(0, 0, 0, 0.8);
    }
    50% {
        text-shadow: 
            0 0 30px var(--nuclear-green),
            0 0 60px var(--nuclear-green),
            0 0 80px var(--nuclear-green),
            2px 2px 4px rgba(0, 0, 0, 0.8);
    }
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.05);
    }
}

@keyframes radiation-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1) rotate(0deg);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1) rotate(180deg);
    }
}

@keyframes nuclear-snow {
    0% {
        transform: translateY(-100vh);
    }
    100% {
        transform: translateY(100vh);
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes modalFadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes modalSlideIn {
    0% {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ======================================
   RESPONSIVE DESIGN - IMPROVED
   ====================================== */

/* Main Content Spacing */
.main-content {
    margin-top: 80px; /* Better header clearance */
}

/* Large Tablets */
@media (max-width: 1200px) {
    .container {
        padding: 0 2rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .universe-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .author-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .book-cover {
        width: 280px;
        height: 420px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

/* Tablets */
@media (max-width: 1024px) {
    .main-content {
        margin-top: 90px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .universe-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .author-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .book-cover {
        width: 260px;
        height: 390px;
    }
    
    .book-title {
        font-size: 2.8rem;
    }
    
    .details-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }
    
    .characters-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
    }
}

/* Mobile and Small Tablets */
@media (max-width: 768px) {
    .main-content {
        margin-top: 100px;
    }
    
    .navbar {
        padding: 12px 0;
    }
    
    .nav-container {
        padding: 0 1.5rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .hero {
        padding: 80px 0 60px;
        min-height: 70vh;
    }
    
    .book-cover {
        width: 220px;
        height: 330px;
    }
    
    .book-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .quick-actions {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .characters-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .social-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .release-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    
    .share-buttons {
        justify-content: center;
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    .main-content {
        margin-top: 110px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .navbar {
        padding: 10px 0;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 60px 0 40px;
        min-height: 60vh;
    }
    
    .book-cover {
        width: 200px;
        height: 300px;
    }
    
    .book-title {
        font-size: 2rem;
    }
    
    .book-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .quick-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 250px;
        font-size: 0.9rem;
        padding: 12px 20px;
    }
    
    .detail-card,
    .character-card,
    .timeline-event {
        padding: 1.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
        max-height: 90vh;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-marker {
        width: 40px;
        height: 40px;
    }
    
    .notify-form {
        flex-direction: column;
        gap: 1rem;
    }
    
    .notify-form input,
    .notify-form button {
        width: 100%;
    }
    
    .universe-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Very Small Screens */
@media (max-width: 360px) {
    .main-content {
        margin-top: 120px;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .book-cover {
        width: 180px;
        height: 270px;
    }
    
    .book-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .detail-card,
    .character-card {
        padding: 1rem;
    }
    
    .modal-content {
        width: 98%;
        margin: 5px;
    }
}

/* Landscape Orientation */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 40px 0;
    }
    
    .book-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .section {
        padding: 2rem 0;
    }
}