/* ========================================
   PEDAGOGIA EM QUADROS - STYLESHEET
   Design acadêmico com elementos de quadrinhos
   Cores: Azul (#2563eb) e Laranja (#f97316)
======================================== */

/* ========================================
   CSS VARIABLES
======================================== */
:root {
    /* Colors */
    --primary-blue: #2563eb;
    --primary-blue-dark: #1e40af;
    --primary-blue-light: #3b82f6;
    --primary-orange: #f97316;
    --primary-orange-dark: #ea580c;
    --primary-orange-light: #fb923c;
    
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --white: #ffffff;
    --black: #000000;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: var(--font-secondary);
    color: var(--gray-800);
    line-height: 1.7;
    background-color: var(--gray-50);
    overflow-x: hidden;
}

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ========================================
   TYPOGRAPHY
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.highlight {
    color: var(--primary-orange);
    position: relative;
}

/* ========================================
   CONTAINER & LAYOUT
======================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ========================================
   BUTTONS
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    border: 3px solid var(--black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.btn::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 1px solid var(--white);
    border-radius: var(--radius-md);
    pointer-events: none;
    opacity: 0.5;
}

.btn i {
    font-size: 1.1rem;
}

.btn-large {
    padding: 1.1rem 2rem;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.btn-cta-compra {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    font-size: 1.3rem;
    padding: 1.5rem 3rem;
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.4);
    animation: pulse-cta 2s ease-in-out infinite;
}

.btn-cta-compra:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(249, 115, 22, 0.5);
}

@keyframes pulse-cta {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(249, 115, 22, 0.4);
    }
    50% {
        box-shadow: 0 15px 40px rgba(249, 115, 22, 0.5);
    }
}

/* ========================================
   SECTION HEADERS
======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
    position: relative;
    display: inline-block;
    text-shadow: 
        3px 3px 0 var(--primary-orange),
        -1px -1px 0 var(--primary-blue);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   HEADER & NAVIGATION
======================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.nav__logo i {
    font-size: 1.5rem;
    color: var(--primary-orange);
}

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

.nav__link {
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--primary-blue);
}

.nav__link--cta {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-md);
}

.nav__link--cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.3);
}

.nav__toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-blue);
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-image: 
        radial-gradient(circle, rgba(37, 99, 235, 0.03) 1px, transparent 1px),
        radial-gradient(circle, rgba(249, 115, 22, 0.03) 1px, transparent 1px);
    background-size: 30px 30px, 50px 50px;
    background-position: 0 0, 25px 25px;
    z-index: 0;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

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

/* Badge 203 Páginas */
.magazine-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 800;
    padding: 1rem 1.75rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(249, 115, 22, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: fit-content;
    margin-bottom: var(--spacing-md);
    animation: pulse-soft 2s ease-in-out infinite;
}

.magazine-badge i {
    font-size: 1.8rem;
    animation: bounce-soft 1.5s ease-in-out infinite;
}

@keyframes pulse-soft {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 25px rgba(249, 115, 22, 0.3);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 15px 35px rgba(249, 115, 22, 0.4);
    }
}

@keyframes bounce-soft {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.hero__title {
    font-family: var(--font-primary);
    font-size: 2.75rem;
    font-weight: 900;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    text-shadow: 
        2px 2px 0 rgba(249, 115, 22, 0.3),
        -1px -1px 0 rgba(37, 99, 235, 0.2);
}

.hero__description {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.destaque-hq {
    color: var(--primary-orange);
    font-weight: 900;
    font-size: 1.2em;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    position: relative;
    display: inline-block;
}

.destaque-hq::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-blue));
    animation: pulse-underline 2s ease-in-out infinite;
}

@keyframes pulse-underline {
    0%, 100% {
        transform: scaleX(1);
        opacity: 1;
    }
    50% {
        transform: scaleX(1.05);
        opacity: 0.8;
    }
}

.hero__features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--white);
    padding: 1rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-orange);
}

.feature i {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.feature span {
    font-weight: 500;
    color: var(--gray-700);
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out;
}

.book-showcase {
    position: relative;
    max-width: 450px;
}

.book-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.book-image:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
}

.badge-physical {
    position: absolute;
    top: -15px;
    right: -15px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.875rem;
    text-align: center;
    line-height: 1.3;
    text-transform: uppercase;
    animation: pulse-badge 2s ease-in-out infinite;
}

.badge-physical i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@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);
    }
}

/* ========================================
   METODOLOGIA SECTION (Trilha de 3 Passos)
======================================== */
.metodologia {
    background: var(--white);
    padding: var(--spacing-xl) 0;
}

.metodologia__steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.step {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 5px solid var(--black);
    position: relative;
    background-image: 
        radial-gradient(circle, rgba(249, 115, 22, 0.02) 1px, transparent 1px),
        radial-gradient(circle, rgba(37, 99, 235, 0.02) 1px, transparent 1px);
    background-size: 20px 20px, 30px 30px;
    background-position: 0 0, 10px 10px;
}

.step::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 2px solid var(--white);
    border-radius: var(--radius-lg);
    pointer-events: none;
}

.step:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.3),
        0 0 0 3px var(--white),
        0 0 0 8px var(--primary-orange);
    border-color: var(--primary-orange);
}

.step__number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--white);
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.step__number--orange {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
}

.step__number--blue {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
}

.step__image {
    margin-bottom: 1.5rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.step__image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.step:hover .step__image img {
    transform: scale(1.05);
}

.step__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.step__title i {
    color: var(--primary-blue);
}

.step__description {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.step__arrow {
    font-size: 2.5rem;
    color: var(--primary-orange);
    animation: arrow-bounce 1.5s ease-in-out infinite;
}

@keyframes arrow-bounce {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(10px);
    }
}

/* ========================================
   SOBRE O LIVRO SECTION
======================================== */
.sobre {
    background: var(--gray-50);
    padding: var(--spacing-xl) 0;
}

.sobre__content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.sobre__description {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.sobre__text p {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
    line-height: 1.8;
}

.sobre__quote {
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
    color: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    position: relative;
    box-shadow: var(--shadow-md);
}

.sobre__quote i {
    font-size: 2rem;
    opacity: 0.3;
    margin-bottom: 0.5rem;
}

.sobre__quote p {
    font-size: 1.125rem;
    font-style: italic;
    margin: 0;
    color: var(--white);
}

.sobre__box {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-md) 0;
    border-left: 4px solid var(--primary-orange);
}

.sobre__box h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-orange);
    margin-bottom: 0.75rem;
}

.sobre__box p {
    margin: 0;
}

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

.sobre__list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}

.sobre__list i {
    color: var(--primary-orange);
    font-size: 1.25rem;
    margin-top: 0.125rem;
}

.sobre__image {
    display: flex;
    justify-content: center;
    animation: fadeInRight 1s ease-out;
}

.sobre__image img {
    max-width: 400px;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.sobre__image img:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

/* Comic Panel - Moldura de Quadrinhos para Foto com Livro */
.comic-panel {
    position: relative;
    background: var(--white);
    border: 6px solid var(--black);
    border-radius: var(--radius-md);
    padding: 1rem;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        inset 0 0 30px rgba(37, 99, 235, 0.05),
        0 0 0 3px var(--white),
        0 0 0 9px var(--black);
    background-image: 
        radial-gradient(circle, rgba(249, 115, 22, 0.03) 1px, transparent 1px),
        radial-gradient(circle, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
    background-size: 20px 20px, 40px 40px;
    background-position: 0 0, 10px 10px;
    transition: var(--transition);
    max-width: 450px;
}

.comic-panel:hover {
    transform: translateY(-10px) rotate(-1deg);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.4),
        inset 0 0 40px rgba(37, 99, 235, 0.08),
        0 0 0 3px var(--white),
        0 0 0 9px var(--primary-orange);
}

.autor-com-livro {
    width: 100%;
    border-radius: var(--radius-sm);
    display: block;
}

.comic-caption {
    margin-top: 1rem;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
    position: relative;
}

.comic-caption::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 8px solid var(--primary-orange);
}

.caption-text {
    display: block;
    animation: pulse-text 2s ease-in-out infinite;
}

@keyframes pulse-text {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.03);
    }
}

/* ========================================
   PÚBLICO-ALVO SECTION
======================================== */
.publico {
    background: var(--white);
    padding: var(--spacing-xl) 0;
}

.publico__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.publico__card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border: 4px solid var(--black);
    position: relative;
    background-image: 
        radial-gradient(circle, rgba(37, 99, 235, 0.02) 1px, transparent 1px);
    background-size: 15px 15px;
}

.publico__card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-orange) 0%, var(--primary-blue) 100%);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.publico__card:hover::before {
    opacity: 1;
}

.publico__card:hover {
    transform: translateY(-10px) rotate(1deg);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.2),
        0 0 0 2px var(--white),
        0 0 0 6px var(--primary-orange);
    border-color: var(--primary-orange);
    background: var(--white);
}

.publico__icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.publico__card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.publico__card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========================================
   CONTEÚDO SECTION (Accordion)
======================================== */
.conteudo {
    background: var(--gray-50);
    padding: var(--spacing-xl) 0;
}

.accordion {
    max-width: 900px;
    margin: 0 auto;
}

.accordion__item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.accordion__item:hover {
    box-shadow: var(--shadow-md);
}

.accordion__header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: left;
}

.accordion__header:hover {
    background: var(--gray-50);
}

.accordion__header.active {
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
    color: var(--white);
}

.accordion__header.active .accordion__number {
    background: var(--white);
    color: var(--primary-blue);
}

.accordion__header.active .accordion__icon {
    color: var(--white);
    transform: rotate(180deg);
}

.accordion__number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 700;
    flex-shrink: 0;
}

.accordion__title {
    flex: 1;
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.accordion__header.active .accordion__title {
    color: var(--white);
}

.accordion__icon {
    font-size: 1.25rem;
    color: var(--primary-blue);
    transition: var(--transition);
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    background: var(--gray-50);
}

.accordion__content.active {
    max-height: 500px;
}

.accordion__content p {
    padding: 1.5rem;
    color: var(--gray-700);
    line-height: 1.8;
    margin: 0;
}

/* Card "Muito Mais" */
.accordion__more {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.3);
    margin-top: 2rem;
}

.more__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: pulse-icon 2s ease-in-out infinite;
}

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

.more__title {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.more__description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
}

/* ========================================
   AMOSTRA SECTION
======================================== */
.amostra {
    background: var(--white);
    padding: var(--spacing-xl) 0;
}

.amostra__gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.amostra__item {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.amostra__item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.amostra__item img {
    width: 100%;
    height: auto;
    display: block;
}

.amostra__caption {
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: var(--gray-700);
    background: var(--white);
}

.amostra__cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ========================================
   AUTOR SECTION
======================================== */
.autor {
    background: var(--gray-50);
    padding: var(--spacing-xl) 0;
}

.autor__content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.autor__image {
    position: relative;
    display: flex;
    justify-content: center;
}

/* Moldura de Quadrinhos Profissional */
.comic-frame-author {
    width: 100%;
    max-width: 350px;
    border-radius: var(--radius-lg);
    border: 6px solid var(--black);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.4),
        inset 0 0 20px rgba(0, 0, 0, 0.1),
        0 0 0 4px var(--white),
        0 0 0 10px var(--black);
    background-image: radial-gradient(circle, rgba(37, 99, 235, 0.08) 1px, transparent 1px);
    background-size: 15px 15px;
    transition: var(--transition);
}

.comic-frame-author:hover {
    transform: scale(1.03);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.5),
        inset 0 0 30px rgba(0, 0, 0, 0.15),
        0 0 0 4px var(--white),
        0 0 0 10px var(--black);
}

.autor__badge {
    position: absolute;
    top: -15px;
    right: -15px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.875rem;
    text-align: center;
    line-height: 1.3;
    animation: pulse-badge 2s ease-in-out infinite;
}

.autor__badge i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.autor__text {
    animation: fadeInRight 1s ease-out;
}

.autor__description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
    line-height: 1.8;
}

.autor__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: var(--spacing-md);
}

.stat {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--primary-orange);
}

.stat__number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat__label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ========================================
   CTA COMPRA SECTION
======================================== */
.cta-compra {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--white);
}

.cta-compra__content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-compra__title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.cta-compra__subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-compra__benefits {
    text-align: left;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.cta-compra__benefits li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.cta-compra__benefits i {
    color: var(--primary-orange);
    font-size: 1.5rem;
}

/* ========================================
   SUPORTE WHATSAPP SECTION
======================================== */
.suporte {
    background: var(--gray-50);
    padding: var(--spacing-xl) 0;
}

.suporte__box {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    border: 3px solid #86efac;
}

.suporte__icon {
    font-size: 4rem;
    color: #25d366;
}

.suporte__text h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.suporte__text p {
    color: var(--gray-600);
    font-size: 1.05rem;
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer__content {
    text-align: center;
}

.footer__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer__logo i {
    color: var(--primary-orange);
    font-size: 1.75rem;
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: var(--spacing-md);
}

.footer__links a {
    color: var(--gray-300);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--primary-orange);
}

.footer__copyright {
    color: var(--gray-400);
    font-size: 0.875rem;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-700);
}

/* ========================================
   BACK TO TOP BUTTON
======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(249, 115, 22, 0.5);
}

/* ========================================
   RESPONSIVE STYLES
======================================== */

/* Tablet (768px - 968px) */
@media (max-width: 968px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    .section-title { font-size: 2rem; }
    
    /* Hero */
    .hero__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero__title {
        font-size: 2.25rem;
    }
    
    .hero__image {
        order: -1;
    }
    
    .book-showcase {
        max-width: 350px;
    }
    
    /* Metodologia */
    .metodologia__steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .step__arrow {
        transform: rotate(90deg);
        font-size: 2rem;
        margin: 0;
    }
    
    /* Sobre */
    .sobre__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .sobre__image {
        order: -1;
    }
    
    /* Público */
    .publico__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    /* Amostra */
    .amostra__gallery {
        grid-template-columns: 1fr;
    }
    
    /* Autor */
    .autor__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .autor__image {
        order: -1;
    }
    
    .autor__stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Suporte */
    .suporte__box {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile (< 600px) */
@media (max-width: 600px) {
    /* Typography */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    .section-title { font-size: 1.75rem; }
    
    /* Container */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-md) 0;
    }
    
    /* Navigation */
    .nav__menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav__menu.active {
        left: 0;
    }
    
    .nav__toggle {
        display: block;
    }
    
    /* Hero */
    .hero__title {
        font-size: 1.875rem;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .hero__buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .magazine-badge {
        font-size: 0.9rem;
        padding: 0.75rem 1.25rem;
    }
    
    .magazine-badge i {
        font-size: 1.5rem;
    }
    
    /* Metodologia */
    .step {
        padding: 1.5rem;
    }
    
    .step__number {
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
    }
    
    /* Público */
    .publico__grid {
        grid-template-columns: 1fr;
    }
    
    /* Autor */
    .autor__stats {
        grid-template-columns: 1fr;
    }
    
    /* CTA Compra */
    .cta-compra__title {
        font-size: 1.875rem;
        flex-direction: column;
    }
    
    .cta-compra__subtitle {
        font-size: 1.05rem;
    }
    
    .btn-cta-compra {
        font-size: 1.1rem;
        padding: 1.25rem 2rem;
    }
    
    /* Footer */
    .footer__links {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* Back to Top */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Extra Small (< 400px) */
@media (max-width: 400px) {
    .hero__title {
        font-size: 1.625rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .magazine-badge {
        font-size: 0.8rem;
        padding: 0.65rem 1rem;
    }
}