/* ===================================
   VARIABLES
   =================================== */
:root {
    --primary-color: #00CED1;
    --primary-dark: #00B8B8;
    --secondary-color: #FFD700;
    --secondary-dark: #FFC700;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --success: #10b981;
    --shadow: rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* ===================================
   RESET & BASE
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
}

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

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

/* ===================================
   HEADER
   =================================== */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 9999;
    padding: 0.3rem 0;
}

.header nav {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
    position: relative;
    width: 100%;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

.logo-container img {
    object-fit: contain;
    max-width: 300px;
    max-height: 130px;
    width: auto;
    height: auto;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin: 0;
}

.logo-subtitle {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin: 0;
}

.logo-slogan {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: 1px;
    margin: 0;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
    margin: 0 auto;
    padding: 0;
    justify-content: center;
    width: 100%;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
    justify-content: flex-end;
}

.social-icons-header {
    display: flex;
    align-items: center;
    gap: 15px;
}

.social-icon-header {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--text-dark);
    transition: var(--transition);
    border-radius: 50%;
}

.social-icon-header:hover {
    color: var(--primary-color);
    background: var(--bg-light);
    transform: translateY(-2px);
}

.social-icon-header.social-whatsapp:hover {
    background: #25D366;
    color: var(--white);
}

.social-icon-header svg {
    width: 24px;
    height: 24px;
}

.nav-menu a {
    font-weight: 600;
    color: var(--text-dark);
    position: relative;
    padding: 5px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 8px;
    margin: 0;
    border: none;
    background: transparent;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
    z-index: 1002;
    position: relative;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
    display: block;
    border-radius: 2px;
}

/* Mobile Social Menu */
.mobile-social-menu {
    display: none;
}

/* Desktop - esconde mobile social menu e mostra header social icons */
@media (min-width: 769px) {
    .menu-toggle {
        display: none !important;
    }
    
    .nav-menu .mobile-social-menu,
    .mobile-social-menu {
        display: none !important;
    }
    
    .header-right .social-icons-header,
    .social-icons-header {
        display: flex !important;
    }
    
    .header nav .nav-menu {
        position: relative !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        display: flex !important;
        flex-direction: row !important;
        padding: 0 !important;
        box-shadow: none !important;
        max-height: none !important;
        overflow: visible !important;
    }
}

.mobile-social-icons {
    display: flex !important;
    gap: 20px !important;
    justify-content: center !important;
    align-items: center !important;
    align-content: center !important;
    padding: 15px 0 10px !important;
    border-top: 1px solid #e5e7eb;
    margin-top: 5px;
    width: 100% !important;
    margin-left: auto !important;
    margin-right: auto !important;
    flex-wrap: nowrap !important;
}

.mobile-social-icon {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 44px !important;
    height: 44px !important;
    border-radius: 50%;
    background: transparent;
    color: #000000;
    transition: var(--transition);
    border: none;
    margin: 0 !important;
    padding: 0 !important;
    vertical-align: middle !important;
}


.mobile-social-icon svg {
    width: 24px !important;
    height: 24px !important;
    fill: #000000 !important;
    color: #000000 !important;
    display: block !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    vertical-align: middle !important;
    position: relative !important;
    top: 0 !important;
    left: 0 !important;
}

.mobile-social-icon:hover {
    background: transparent;
    opacity: 0.7;
}

.mobile-social-icon:hover svg {
    fill: #000000 !important;
    color: #000000 !important;
}

.mobile-social-icon.mobile-whatsapp:hover {
    background: transparent;
    opacity: 0.7;
}

.mobile-social-icon.mobile-whatsapp:hover svg {
    fill: #000000 !important;
    color: #000000 !important;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.btn-primary {
    display: inline-block;
    padding: 18px 45px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.4);
}

/* ===================================
   SECTIONS
   =================================== */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 2rem;
    margin-bottom: 50px;
}

/* ===================================
   EBOOKS GRID
   =================================== */
.featured-ebooks {
    background: var(--bg-light);
}

.ebooks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.ebooks-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.ebook-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
    position: relative;
}

.ebook-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 206, 209, 0.2);
}

.ebook-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 10;
}

.ebook-badge.badge-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--text-dark);
}

.ebook-badge.badge-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: var(--white);
}

.ebook-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-light);
}

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

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

.ebook-content {
    padding: 25px;
}

.ebook-category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.ebook-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.ebook-card-subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 8px;
    line-height: 1.4;
}

.ebook-excerpt {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.ebook-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.stars {
    color: var(--secondary-color);
    font-size: 1rem;
}

.rating-text {
    font-size: 0.85rem;
    color: var(--text-light);
}

.ebook-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
}

.btn-ebook {
    padding: 12px 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-ebook:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateX(5px);
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 50px;
}

.about-text {
    animation: fadeInLeft 1s ease-out;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 5px;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px var(--shadow);
    animation: fadeInRight 1s ease-out;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 206, 209, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ===================================
   EBOOKS PAGE
   =================================== */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.filter-section {
    background: var(--white);
    padding: 40px 0;
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.filter-controls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--bg-light);
    border: 2px solid transparent;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-dark);
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-color: var(--primary-color);
}

.search-box {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.search-box input {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 25px;
    font-size: 1rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 206, 209, 0.1);
}

.search-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    color: var(--text-light);
}

.all-ebooks {
    background: var(--bg-light);
    padding: 60px 0;
}

/* ===================================
   EBOOK DETAIL PAGE
   =================================== */
.ebook-detail-breadcrumb {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 1rem 0;
}
.ebook-detail-back {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
    opacity: 0.95;
}
.ebook-detail-back:hover {
    opacity: 1;
    color: var(--white);
    text-shadow: 0 0 0 1px rgba(255,255,255,0.3);
}

.ebook-detail-section {
    background: var(--bg-light);
    padding: 2.5rem 0 3rem;
}
.ebook-detail-card {
    max-width: 960px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    overflow: hidden;
    border: none;
}
.ebook-detail-cover {
    border-radius: 0 0 16px 0;
    overflow: hidden;
    background: var(--bg-light);
    border: none;
    outline: none;
}
.ebook-detail-cover img {
    width: 100%;
    height: auto;
    display: block;
    vertical-align: top;
    border: none;
}
.ebook-detail-info {
    padding: 2rem 2rem 2rem 0;
    border: none;
    outline: none;
}
.ebook-detail-meta {
    margin-bottom: 0.75rem;
}
.ebook-detail-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary-color);
}
.ebook-detail-tag-badge {
    font-size: 0.8rem;
    font-weight: 700;
    margin-left: 0.5rem;
    padding: 6px 14px;
    border-radius: 20px;
    display: inline-block;
}
.ebook-detail-tag-badge:not([style*="background"]) {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
}
.ebook-detail-title {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 0.5rem;
}
.ebook-detail-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.4;
    margin-bottom: 1.25rem;
}
.ebook-detail-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}
.ebook-detail-rating .stars {
    color: var(--secondary-color);
    font-size: 1.1rem;
}
.ebook-detail-rating .rating-text {
    font-size: 0.9rem;
    color: var(--text-light);
}
.ebook-detail-description-full {
    grid-column: 1 / -1;
    padding: 1.5rem 2rem 2rem;
    border-top: 1px solid rgba(0,0,0,0.06);
    background: var(--bg-light);
}
.ebook-detail-sep {
    border: none;
    border-top: 1px solid rgba(0,0,0,0.08);
    margin: 0 0 1.5rem;
}
.ebook-detail-resumo {
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}
.ebook-detail-resumo-inline {
    margin-top: 1.5rem;
    margin-bottom: 0;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(0,0,0,0.06);
}
.ebook-detail-desc-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}
.ebook-detail-description-wrap {
    position: relative;
}
.ebook-detail-saiba-mais {
    display: none;
    margin-top: 0.75rem;
    padding: 0.5rem 0;
    background: none;
    border: none;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    font-family: inherit;
}
.ebook-detail-description-full .ebook-detail-description {
    margin-bottom: 0;
}
.ebook-detail-description {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
}
.ebook-detail-description-html p {
    margin-bottom: 0.75em;
}
.ebook-detail-description-html p:last-child {
    margin-bottom: 0;
}
.ebook-detail-description-html ul,
.ebook-detail-description-html ol {
    margin: 0.5em 0 1em 1.25em;
    padding-left: 1em;
}
.ebook-detail-description-html li {
    margin-bottom: 0.35em;
}
.ebook-detail-description-html h2,
.ebook-detail-description-html h3,
.ebook-detail-description-html h4 {
    margin: 1em 0 0.5em;
    color: var(--text-dark);
    font-size: 1.1rem;
}
.ebook-detail-description-html a {
    color: var(--primary-dark);
    text-decoration: underline;
}
.ebook-detail-description-html a:hover {
    color: var(--primary-color);
}
.ebook-no-desc {
    font-style: italic;
    color: var(--text-light);
}
.ebook-detail-cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
}
.ebook-detail-price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-dark);
}
.btn-ebook-lg {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}
.ebook-detail-footer-cta {
    padding: 2.5rem 0 4rem;
    text-align: center;
    background: var(--white);
}
.btn-primary-lg {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

@media (max-width: 768px) {
    .ebook-detail-card {
        grid-template-columns: 1fr;
        gap: 0;
        margin: 0 0.5rem;
    }
    .ebook-detail-cover {
        border-radius: 0;
    }
    .ebook-detail-info {
        padding: 1.5rem 1.5rem 2rem;
    }
    .ebook-detail-description-full {
        padding: 1.5rem;
    }
    .ebook-detail-title {
        font-size: 1.5rem;
    }
    .ebook-detail-desc-collapsed {
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .ebook-detail-desc-collapsed.ebook-detail-desc-expanded {
        display: block;
        -webkit-line-clamp: unset;
        overflow: visible;
    }
    .ebook-detail-saiba-mais {
        display: inline-block;
    }
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section {
    text-align: left;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-text {
    color: #999;
    margin-top: 15px;
    line-height: 1.8;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #999;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-social-icons {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    justify-content: center;
    align-items: center;
}

.footer-social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: var(--transition);
}

.footer-social-icon:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-social-icon.footer-whatsapp:hover {
    background: #25D366;
    color: var(--white);
}

.footer-social-icon svg {
    width: 20px;
    height: 20px;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-link {
    color: #999;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--primary-color);
}

.logo-footer {
    margin-bottom: 15px;
}

.logo-footer h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0;
}

.logo-footer p {
    font-size: 0.7rem;
    color: #999;
    letter-spacing: 1px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #999;
}

/* ===================================
   WHATSAPP FLOAT BUTTON
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 24px;
    height: 24px;
    display: block;
    margin: 0 auto;
}

.whatsapp-float:active {
    transform: scale(0.95);
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 5px 30px rgba(37, 211, 102, 0.7);
    }
}

[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    .header {
        padding: 0.4rem 0;
    }

    .header nav {
        display: flex;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 0 20px;
        position: relative;
    }
    
    .header nav .logo-container {
        order: 1;
        flex-shrink: 1;
        min-width: 0;
        max-width: 50%;
        padding-left: 15px;
    }
    
    .header nav .nav-menu {
        order: 3;
        width: 100%;
        max-width: 400px;
        position: fixed;
        top: 0;
        left: 50%;
        right: auto;
        transform: translateX(-50%) translateY(-100%);
        background: #ffffff !important;
        background-color: #ffffff !important;
        flex-direction: column;
        padding: 80px 30px 30px 30px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2), 0 5px 20px rgba(0, 0, 0, 0.15) !important;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        justify-content: flex-start;
        align-items: center;
        z-index: 9998;
        max-height: 100vh;
        overflow-y: auto;
        display: flex !important;
        list-style: none;
        margin: 0;
        pointer-events: auto;
    }
    
    .header nav .nav-menu::before,
    .header nav .nav-menu::after {
        display: none !important;
        content: none !important;
    }
    
    .header nav .nav-menu li {
        pointer-events: auto;
        width: 100%;
        text-align: center;
    }
    
    .header nav .nav-menu li.mobile-social-menu {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .header nav .nav-menu a {
        pointer-events: auto;
        color: #000000 !important;
        font-weight: 600;
        padding: 8px 0;
        display: block;
        width: 100%;
        z-index: 9999;
        position: relative;
        cursor: pointer;
        text-decoration: none;
        font-size: 1.1rem;
        line-height: 1.4;
        text-align: center;
    }
    
    .header nav .nav-menu a::after {
        left: 50% !important;
        transform: translateX(-50%) !important;
    }
    
    .header nav .nav-menu a:hover::after,
    .header nav .nav-menu a.active::after {
        width: 80% !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
    }
    
    .header nav .nav-menu a:hover {
        color: var(--primary-color) !important;
    }
    
    .header nav .nav-menu a.active {
        color: var(--primary-color) !important;
    }
    
    .header nav .header-right {
        order: 2;
        flex-shrink: 0;
        margin-left: auto;
        padding-right: 15px;
    }

    .social-icons-header {
        gap: 10px;
    }

    .social-icon-header {
        width: 32px;
        height: 32px;
    }

    .social-icon-header svg {
        width: 20px;
        height: 20px;
    }

    .logo-container {
        flex-shrink: 1;
        min-width: 0;
    }

    .logo-container img {
        max-width: 250px !important;
        max-height: 110px !important;
    }

    .menu-toggle {
        display: flex !important;
        margin: 0;
        padding: 8px;
        cursor: pointer;
        z-index: 10000;
        position: relative;
        min-width: 44px;
        min-height: 44px;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        gap: 5px;
    }
    
    .menu-toggle span {
        width: 25px;
        height: 3px;
        background: var(--text-dark);
        transition: var(--transition);
        display: block;
        border-radius: 2px;
    }
    
    /* Overlay quando menu está aberto */
    body.menu-open {
        overflow: hidden;
    }
    
    body.menu-open::before,
    body.menu-open::after {
        display: none !important;
    }
    
    .nav-menu.active::after {
        display: none !important;
    }

    /* No mobile, esconde os ícones sociais do header e mostra os do menu mobile */
    .header-right .social-icons-header {
        display: none !important;
    }

    .nav-menu .mobile-social-menu {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .nav-menu.active .mobile-social-menu {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
    }

    .header nav .nav-menu.active {
        transform: translateX(-50%) translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
        z-index: 9998 !important;
        display: flex !important;
        pointer-events: auto !important;
        background: #ffffff !important;
        background-color: #ffffff !important;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2), 0 5px 20px rgba(0, 0, 0, 0.15) !important;
    }
    
    .header nav .nav-menu.active::before,
    .header nav .nav-menu.active::after {
        display: none !important;
        content: none !important;
        background: transparent !important;
    }
    
    .nav-menu.active {
        transform: translateX(-50%) translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
        z-index: 9998 !important;
        display: flex !important;
        pointer-events: auto !important;
        background: #ffffff !important;
        background-color: #ffffff !important;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2), 0 5px 20px rgba(0, 0, 0, 0.15) !important;
    }
    
    .nav-menu.active::before,
    .nav-menu.active::after {
        display: none !important;
        content: none !important;
        background: transparent !important;
    }
    
    .nav-menu.active a,
    .nav-menu.active li {
        pointer-events: auto !important;
        z-index: 9999 !important;
        position: relative;
        cursor: pointer;
    }
    
    .nav-menu.active .mobile-social-icons {
        pointer-events: auto !important;
        z-index: 9999 !important;
        position: relative;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        align-content: center !important;
        gap: 20px !important;
        width: 100% !important;
        margin-left: auto !important;
        margin-right: auto !important;
        flex-wrap: nowrap !important;
    }
    
    .nav-menu.active .mobile-social-menu {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
    }
    
    .nav-menu.active .mobile-social-icon {
        pointer-events: auto !important;
        cursor: pointer !important;
        z-index: 9999 !important;
        position: relative;
        background: transparent !important;
        border: none !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 44px !important;
        height: 44px !important;
        margin: 0 !important;
        padding: 0 !important;
        vertical-align: middle !important;
    }
    
    .nav-menu.active .mobile-social-icon svg {
        width: 24px !important;
        height: 24px !important;
        fill: #000000 !important;
        color: #000000 !important;
        display: block !important;
        flex-shrink: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        vertical-align: middle !important;
        position: relative !important;
        top: 0 !important;
        left: 0 !important;
    }
    
    .nav-menu.active .mobile-social-icon:hover {
        background: transparent !important;
        opacity: 0.7;
    }
    
    .nav-menu.active .mobile-social-icon:hover svg {
        fill: #000000 !important;
        color: #000000 !important;
    }
    
    .nav-menu.active .mobile-social-icon.mobile-whatsapp:hover {
        background: transparent !important;
        opacity: 0.7;
    }
    
    .nav-menu.active .mobile-social-icon.mobile-whatsapp:hover svg {
        fill: #000000 !important;
        color: #000000 !important;
    }
    

    .metodologia-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .cards-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .ebooks-grid,
    .ebooks-grid-large {
        grid-template-columns: 1fr;
    }

    .filter-controls {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 10px;
    }

    .filter-btn {
        white-space: nowrap;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
    }

    .whatsapp-float svg {
        width: 22px;
        height: 22px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-section {
        text-align: center;
    }
    
    .footer-section h4 {
        text-align: center;
    }
    
    .footer-social-icons {
        justify-content: center !important;
        align-items: center !important;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-links li {
        text-align: center;
    }

    .logo-footer {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
    }

    .logo-footer img {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0.3rem 0;
    }

    .header nav {
        gap: 8px;
    }

    .logo-container img {
        max-width: 200px !important;
        max-height: 90px !important;
    }

    .metodologia-grid > div {
        padding: 30px 20px !important;
    }

    .metodologia-grid > div > div:first-child {
        font-size: 3rem !important;
    }

    .metodologia-grid h3 {
        font-size: 1.5rem !important;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    section {
        padding: 60px 0;
    }

    .contact-form {
        padding: 25px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .whatsapp-float {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
    }

    .whatsapp-float svg {
        width: 20px;
        height: 20px;
    }
}