/* Reset e Variáveis */
:root {
    --bg-color: #090a0f;
    --primary-glow: #4a148c; /* Ajustado para mais azul */
    --secondary-glow: #7b1fa2;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #ffffff;
    --text-muted: #a0a0b0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
    transition: background 0.8s;
}

/* Screen Border */
.screen-border {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 9998;
    box-shadow: inset 0 0 0 transparent;
    transition: all 0.8s;
}

.screen-border.active {
    box-shadow: inset 0 0 35px var(--primary-glow), inset 0 0 10px var(--secondary-glow);
}

/* Particles Canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* Header */
header {
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(9, 10, 15, 0.8);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    -webkit-background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px var(--primary-glow);
    transition: all 0.8s;
}

.subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--secondary-glow);
    text-shadow: 0 0 10px var(--secondary-glow);
}

#menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

#menu-btn span {
    width: 30px;
    height: 3px;
    background: var(--text-main);
    border-radius: 5px;
    transition: all 0.3s;
    box-shadow: 0 0 5px var(--primary-glow);
}

#menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

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

#menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

body.category-mode .nav-links,
body.category-mode #menu-btn {
    display: none !important;
}

body.category-mode header {
    justify-content: center;
    text-align: center;
}

/* Container */
.container {
    max-width: 1200px;
    margin: auto;
    padding: 2rem;
    z-index: 10;
    position: relative;
}

/* Hero */
.hero {
    text-align: center;
    padding: 5rem 0 3rem 0;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.hero h1 span {
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    -webkit-background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: auto;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn-glow {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    color: #fff;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 0 20px var(--primary-glow);
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-glow:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 40px var(--secondary-glow);
}

/* Benefits */
.benefits-section {
    margin: 5rem 0;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 800;
    text-shadow: 0 0 15px var(--primary-glow);
    transition: text-shadow 0.8s;
    text-transform: uppercase;
    text-align: center;
}

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

.benefit-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s, box-shadow 0.3s;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), inset 0 0 20px var(--primary-glow);
    border-color: var(--primary-glow);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    filter: drop-shadow(0 0 10px var(--secondary-glow));
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-glow);
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Catalog */
.catalog-section {
    margin-top: 5rem;
    padding-top: 5rem;
    border-top: 1px solid var(--glass-border);
}

.search-container {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    position: relative;
    max-width: 700px;
    margin: auto;
}

#search-input {
    width: 100%;
    padding: 1.2rem 3.5rem 1.2rem 1.8rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--secondary-glow);
    color: #fff;
    font-size: 1.1rem;
    backdrop-filter: blur(10px);
    outline: none;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
    transition: all 0.4s;
}

#search-input:focus {
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 30px var(--secondary-glow);
    transform: scale(1.02);
    border-color: var(--primary-glow);
}

.search-icon {
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    pointer-events: none;
    text-shadow: 0 0 10px var(--secondary-glow);
    transition: 0.8s;
}

.screen {
    display: none;
    animation: fadeIn 0.6s forwards;
}

.screen.active {
    display: block;
}

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

.categories-grid {
    display: flex;
    margin-top: 3rem;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    perspective: 1000px;
    margin-bottom: 4rem;
}

.cat-bubble {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s, border-color 0.4s;
}

.cat-icon {
    font-size: 2.2rem;
    transform: translateZ(20px);
    transition: 0.3s;
}

.cat-name {
    font-weight: 600;
    font-size: 0.85rem;
    text-align: center;
    transform: translateZ(20px);
    padding: 0 5px;
}

.book-counter {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 32px;
    height: 32px;
    background: #8a2be2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 0.9rem;
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.2);
    z-index: 10;
}

.cat-bubble:hover {
    box-shadow: 0 0 40px var(--cat-color), inset 0 0 20px var(--cat-color);
    border-color: var(--cat-color);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-15px) translateZ(30px);
}

#back-btn {
    background: rgba(255, 255, 255, 0.05);
    margin-top: 3rem;
    border: 1px solid var(--primary-glow);
    color: var(--text-main);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: 2rem;
    backdrop-filter: blur(5px);
    transition: all 0.3s;
    display: inline-block;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.05);
}

#back-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 20px var(--primary-glow);
    transform: translateX(-5px);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
    justify-items: center;
}

.book-card {
    display: none; /* Inicialmente escondido */
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.book-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 24px;
    box-shadow: 0 0 0 var(--primary-glow);
    transition: box-shadow 0.4s, opacity 0.4s;
    opacity: 0;
    z-index: -1;
}

.book-card:hover::before {
    opacity: 1;
    box-shadow: 0 0 40px var(--primary-glow), inset 0 0 20px var(--secondary-glow);
}

.book-cover {
    width: 100%;
    height: 350px;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: translateZ(40px);
    transition: 0.3s;
    margin-bottom: 0.5rem;
}

.book-card:hover .book-cover {
    transform: translateZ(60px) scale(1.05);
}

.card-tag {
    background: rgba(255, 255, 255, 0.05);
    color: var(--secondary-glow);
    padding: 4px 15px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    border: 1px solid var(--secondary-glow);
    text-transform: uppercase;
    letter-spacing: 1px;
    transform: translateZ(25px);
    transition: all 0.8s;
}

.book-title {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-main);
    transform: translateZ(20px);
    width: 100%;
    margin-top: 0.5rem;
}

/* Plans */
.plans-section {
    margin: 5rem 0;
    padding-top: 5rem;
    border-top: 1px solid var(--glass-border);
}

.plans-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.plan-card {
    background: rgba(15, 16, 25, 0.8);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    width: 320px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), inset 0 0 20px var(--primary-glow);
    border-color: var(--secondary-glow);
}

.plan-badge {
    position: absolute;
    top: 15px;
    right: -30px;
    background: linear-gradient(45deg, #ff007a, #7b2cbf);
    color: #fff;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: 800;
    box-shadow: 0 0 10px rgba(255, 0, 122, 0.5);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-glow);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 15px var(--secondary-glow);
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.plan-features li {
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features .yes::before {
    content: '✓';
    color: #00ff00;
    font-weight: 800;
    text-shadow: 0 0 5px #00ff00;
}

.plan-features .no::before {
    content: '✗';
    color: #ff4d4d;
    font-weight: 800;
}

.btn-plan {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--primary-glow);
    background: transparent;
    color: #fff;
    border-radius: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}

.btn-plan:hover {
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    box-shadow: 0 0 20px var(--primary-glow);
    border-color: transparent;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(15px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: rgba(15, 16, 25, 0.9);
    border: 1px solid var(--primary-glow);
    border-radius: 24px;
    padding: 2.5rem;
    max-width: 900px;
    width: 90%;
    display: flex;
    gap: 3rem;
    position: relative;
    box-shadow: 0 0 50px var(--primary-glow), inset 0 0 20px var(--secondary-glow);
    transform: translateY(50px) scale(0.9);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

#close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 2.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

#close-modal:hover {
    color: #ff4d4d;
    transform: scale(1.1);
}

#modal-cover {
    width: 300px;
    height: 450px;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

.modal-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
    flex-grow: 1;
}

#modal-title {
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--text-main), var(--secondary-glow));
    -webkit-background-clip: text;
    color: transparent;
}

#modal-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.modal-features {
    list-style: none;
    margin: 0.5rem 0;
    background: rgba(255, 255, 255, 0.02);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-features li {
    font-size: 0.9rem;
    color: #ddd;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-features li::before {
    content: '✓';
    color: var(--secondary-glow);
    font-weight: 800;
    text-shadow: 0 0 5px var(--secondary-glow);
}

.price-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
    padding: 1rem 0;
    border-top: 1px dashed var(--glass-border);
}

#modal-old-price {
    font-size: 1rem;
    color: #ff4d4d;
    text-decoration: line-through;
    opacity: 0.8;
}

#modal-new-price {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--secondary-glow);
    text-shadow: 0 0 15px var(--secondary-glow);
}

#modal-discount {
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    color: #fff;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-weight: 800;
    box-shadow: 0 0 15px var(--primary-glow);
}

.buy-btn {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(45deg, var(--primary-glow), var(--secondary-glow));
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 5px 20px var(--primary-glow);
    text-transform: uppercase;
}

.buy-btn:hover {
    box-shadow: 0 5px 30px var(--secondary-glow);
    transform: translateY(-3px);
}

/* Footer */
footer {
    background: rgba(5, 6, 10, 0.9);
    border-top: 1px solid var(--glass-border);
    padding: 3rem 5%;
    text-align: center;
    margin-top: 5rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    color: #fff;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary-glow);
    box-shadow: 0 0 15px var(--primary-glow);
    transform: translateY(-3px);
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Media Queries */
@media (max-width: 768px) {
    header {
        justify-content: center;
        text-align: center;
        padding: 1.2rem 2%;
    }

    .logo-container {
        align-items: center;
    }

    #menu-btn {
        display: flex;
        position: absolute;
        right: 25px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 260px;
        height: 100vh;
        background: rgba(10, 11, 18, 0.85);
        backdrop-filter: blur(25px);
        border-left: 1px solid var(--primary-glow);
        box-shadow: -10px 0 40px rgba(138, 43, 226, 0.3);
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 2.5rem;
        transition: right 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.3rem;
        letter-spacing: 2px;
        text-transform: uppercase;
        width: 100%;
        text-align: center;
        padding: 15px 0;
    }

    .nav-links a:hover {
        background: rgba(255, 255, 255, 0.05);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .modal-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 2rem 1.5rem;
        max-height: 90vh;
        overflow-y: auto;
    }

    #modal-cover {
        width: 200px;
        height: 300px;
    }

    .modal-features {
        text-align: left;
        width: 100%;
    }
}

/* Ajustes extras */
#screen-books {
    display: none;
    width: 100%;
}

.book-card {
    display: none;
    flex-direction: column;
}

body.category-mode .home-only {
    display: none !important;
}