:root {
    --bg-white: #ffffff;
    --bg-black: #000000;
    --accent-color: #f2b705;
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Inter', sans-serif;
}

h1, h2, h3, h4, .logo {
    font-family: 'Outfit', sans-serif;
}

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-40 { margin-top: 40px; }
.mt-50 { margin-top: 50px; }
.mt-80 { margin-top: 80px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.mb-50 { margin-bottom: 50px; }
.p-40 { padding: 40px; }
.max-w-800 { max-width: 800px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-gold { color: var(--accent-color); }
.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.text-sm { font-size: 0.875rem; }

.mobile-only { display: none; }
.desktop-only { display: block; }

@media (max-width: 992px) {
    .mobile-only { display: block; }
    .desktop-only { display: none; }
}

span {
    color: var(--accent-color);
}

/* Global Buttons */
.btn {
    display: inline-block;
    padding: 16px 36px;
    border-radius: 6px; 
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--bg-black);
    border: 2px solid var(--accent-color);
}

.btn-primary:hover {
    background: transparent;
    color: var(--accent-color);
}

.btn-sm {
    padding: 12px 28px;
    font-size: 0.85rem;
    background: transparent;
    border: 1px solid var(--bg-white);
    color: var(--bg-white);
}

.btn-sm:hover {
    background: var(--bg-white);
    color: var(--bg-black);
}

.btn-large {
    padding: 22px 52px;
    font-size: 1.1rem;
}

/* Neon effect for buttons on black backgrounds (excluding Hero) */
.comparison .btn, 
.offer .btn, 
.faq .btn, 
.header .btn-sm {
    box-shadow: 0 0 12px rgba(242, 183, 5, 0.3);
}

.comparison .btn:hover, 
.offer .btn:hover, 
.faq .btn:hover, 
.header .btn-sm:hover,
.comparison .btn:active,
.offer .btn:active,
.faq .btn:active,
.header .btn-sm:active {
    box-shadow: 0 0 25px rgba(242, 183, 5, 0.7), 0 0 50px rgba(242, 183, 5, 0.4);
}

/* Black "Neon" effect for buttons on white backgrounds */
.arguments .btn,
.product .btn,
.author .btn {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.arguments .btn:hover,
.product .btn:hover,
.author .btn:hover,
.arguments .btn:active,
.product .btn:active,
.author .btn:active {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.25), 0 0 40px rgba(0, 0, 0, 0.1);
}

/* Header */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
    background: rgba(0, 0, 0, 0.95); 
    backdrop-filter: blur(10px);
}

.header.scrolled {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

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

.logo {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: var(--bg-white);
}

.logo-highlight {
    color: var(--accent-color);
}

/* Sections Base alternating backgrounds */
.hero, .comparison, .offer, .faq {
    background-color: var(--bg-black);
    color: rgba(255, 255, 255, 0.85);
}

.arguments, .product, .author, .footer {
    background-color: var(--bg-white);
    color: rgba(0, 0, 0, 0.85);
}

.hero .section-title, .hero .hero-title, 
.comparison .section-title, .comparison .compare-title,
.offer .section-title, 
.faq .section-title {
    color: var(--bg-white);
}

.arguments .section-title, .product .section-title, .author .section-title {
    color: var(--bg-black);
}

.section-desc {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

/* SVG Wave Dividers */
.custom-shape-divider-top {
    position: absolute;
    top: -1px; /* Remove gaps */
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}
.custom-shape-divider-top svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 70px;
}
.wave-right svg {
    transform: rotateY(0deg);
}
.wave-left svg {
    transform: rotateY(180deg);
}

.arguments .custom-shape-divider-top svg { fill: var(--bg-black); }
.comparison .custom-shape-divider-top svg { fill: var(--bg-white); }
.product .custom-shape-divider-top svg { fill: var(--bg-black); }
.offer .custom-shape-divider-top svg { fill: var(--bg-white); }
.author .custom-shape-divider-top svg { fill: var(--bg-black); }
.faq .custom-shape-divider-top svg { fill: var(--bg-white); }
.footer .custom-shape-divider-top svg { fill: var(--bg-black); }

/* Sections need position relative for absolute SVGs */
.hero, .arguments, .comparison, .product, .offer, .author, .faq, .footer {
    position: relative;
}

/* SECTION 1: Hero (Black) */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-black);
}

.hero-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
    max-width: 650px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    perspective: 1000px;
}

.hero-ebook-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4));
    transition: var(--transition);
}

.hero-ebook-img:hover {
    transform: scale(1.02);
    filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
}





.hero-title {
    font-size: 3.2rem;
    line-height: 1.1;
    margin-bottom: 28px;
}

.hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 36px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-bullets {
    margin-bottom: 48px;
    text-align: left;
    display: inline-block;
}

.hero-bullets .bullet-title {
    color: var(--bg-white);
    margin-bottom: 18px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: left;
}

.hero-bullets ul {
    list-style: none;
}

.hero-bullets ul li {
    margin-bottom: 12px;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--bg-white);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

/* SECTION 2: Argumentos (White) */
.arguments { padding: 120px 0; }

.arguments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.arg-card {
    padding: 40px;
    transition: var(--transition);
    border-top: 3px solid var(--bg-black);
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.arg-card:hover {
    border-top: 3px solid var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.arg-title {
    font-size: 1.3rem;
    margin-bottom: 24px;
    color: var(--bg-black);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800;
}

.arg-card p {
    margin-bottom: 16px;
    line-height: 1.7;
    color: rgba(0,0,0,0.75);
}
.arg-card p:last-child { margin-bottom: 0; }

/* SECTION 3: Comparação (Black) */
.comparison { padding: 120px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.compare-card {
    padding: 50px;
    background: var(--bg-black);
    border: 1px solid rgba(255,255,255,0.1);
}

.compare-card.bad {
    border-top: 3px solid rgba(255,255,255,0.3);
}

.compare-card.good {
    border-top: 3px solid var(--accent-color);
}

.compare-title {
    font-size: 1.6rem;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.compare-title.highlight { color: var(--accent-color); border-bottom-color: var(--accent-color); }

.compare-card ul { list-style: none; }
.compare-card ul li {
    margin-bottom: 20px;
    font-size: 1.15rem;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: rgba(255,255,255,0.75);
}
.compare-card.good ul li {
    color: var(--bg-white);
    font-weight: 500;
}
.compare-card ul li .icon { flex-shrink: 0; }

.comparison-conclusion {
    text-align: center;
    padding: 40px;
    background: var(--bg-black);
    border: 1px solid rgba(255,255,255,0.1);
    border-left: 4px solid var(--accent-color);
    max-width: 800px;
    margin: 0 auto;
}
.comparison-conclusion p { font-size: 1.3rem; margin-bottom: 12px; color: rgba(255,255,255,0.75); }
.comparison-conclusion .highlight-text { font-size: 1.6rem; color: var(--bg-white); font-weight: 800; font-family: 'Outfit', sans-serif; margin-bottom: 0; }

/* SECTION 4: Sobre o Produto (White) */
.product { padding: 120px 0; }

.claro-breakdown {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-width: 850px;
    margin: 60px auto 0;
}

.claro-item {
    display: flex;
    gap: 30px;
    padding: 35px;
    align-items: flex-start;
    border-left: 3px solid rgba(0,0,0,0.1);
    transition: var(--transition);
    background: var(--bg-white);
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
}

.claro-item:hover {
    background-color: var(--bg-black);
    border-left: 3px solid var(--accent-color);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    transform: translateX(5px);
}

.claro-item:hover .content h3 {
    color: var(--accent-color);
}

.claro-item:hover .content p {
    color: var(--bg-white);
}

.claro-item .letter {
    font-size: 4rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 900;
    color: var(--accent-color);
    line-height: 1;
}

.claro-item .content h3 { font-size: 1.6rem; margin-bottom: 12px; color: var(--bg-black); }
.claro-item .content p { color: rgba(0,0,0,0.75); line-height: 1.7; font-size: 1.1rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }

.recebiveis, .para-quem {
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
}

/* SECTION 5: Offer Section (Black) */
.offer {
    padding: 120px 0;
}

.offer-ebook-wrapper {
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
}

.offer-ebook-img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.5));
}

.offer-card {
    max-width: 750px;
    margin: 0 auto;
    padding: 60px 50px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
    border-top: 5px solid var(--accent-color);
    background: var(--bg-black);
}

.benefits-list { list-style: none; }
.benefits-list li {
    margin-bottom: 18px;
    font-size: 1.15rem;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: rgba(0,0,0,0.85);
}
.offer-card .benefits-list li {
    color: var(--bg-white);
}
.benefits-list li span { font-weight: bold; color: var(--accent-color); font-size: 1.2rem; }

.price-box { margin-bottom: 40px; text-align: center; padding: 30px 0; border-top: 1px solid rgba(255,255,255,0.1); border-bottom: 1px solid rgba(255,255,255,0.1); }
.price-condition { display: block; color: rgba(255,255,255,0.75); font-size: 1.2rem; margin-bottom: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }
.price-new {
    display: block;
    font-size: 5rem;
    font-weight: 900;
    color: var(--bg-white);
    line-height: 1;
    font-family: 'Outfit', sans-serif;
}

.offer-disclaimer { color: rgba(255,255,255,0.75); font-size: 1.1rem; line-height: 1.7; }

/* SECTION 6: Author Section (White) */
.author { padding: 120px 0; }

.author-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.author-image-wrapper {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
}

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

.author-image-wrapper:hover .author-img {
    transform: scale(1.02);
}

.author .section-title {
    background-color: var(--bg-black);
    color: var(--bg-white) !important;
    padding: 12px 25px;
    display: inline-block;
    font-size: 3.5rem;
    margin-bottom: 25px;
    line-height: 1.1;
}

.author-story p { margin-bottom: 18px; color: rgba(0,0,0,0.75); line-height: 1.7; font-size: 1.1rem; }
.author-story .benefits-list {
    background-color: var(--bg-black);
    padding: 25px 30px;
    border-radius: 4px;
}
.author-story .benefits-list li {
    color: var(--bg-white);
    margin-bottom: 12px;
}
.author-story .benefits-list li:last-child {
    margin-bottom: 0;
}
.author-story .highlight-text { font-size: 1.2rem; color: var(--bg-black); font-weight: 700; border-left: 3px solid var(--accent-color); padding-left: 15px; margin-top: 30px; }

/* SECTION 7: FAQ (Black) */
.faq { padding: 120px 0; }
.faq-container { max-width: 850px; margin: 0 auto; }

.accordion { margin-top: 60px; }

.accordion-item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 15px;
    background: var(--bg-black);
}

.accordion-header {
    width: 100%;
    text-align: left;
    padding: 24px 30px;
    background: none;
    border: none;
    color: var(--bg-white);
    font-size: 1.3rem;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.accordion-header:hover {
    color: var(--accent-color);
}

.accordion-header::after {
    content: '+';
    font-size: 1.8rem;
    color: var(--accent-color);
    transition: var(--transition);
}

.accordion-header.active::after { content: '−'; color: var(--bg-white); }

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.accordion-content p {
    padding: 0 30px 30px;
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
    font-size: 1.1rem;
}

/* SECTION 8: Footer (White) */
.footer {
    padding: 80px 0 50px;
    background: var(--bg-white);
    color: rgba(0,0,0,0.75);
}

.footer .logo { margin-bottom: 25px; color: var(--bg-black); }
.footer p { color: rgba(0,0,0,0.75); font-size: 0.95rem; margin-bottom: 25px; }
.footer-links { margin-bottom: 50px; }
.footer-links a {
    color: var(--bg-black);
    text-decoration: none;
    margin: 0 20px;
    font-size: 0.95rem;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}
.footer-links a:hover { color: var(--accent-color); }
.disclaimer { font-size: 0.8rem !important; max-width: 800px; margin: 0 auto; color: rgba(0, 0, 0, 0.5); line-height: 1.6; }

/* Scroll Reveal Classes */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    .hero-container, .author-container {
        display: flex;
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        display: contents;
    }

    .hero-title { order: 1; }
    .hero-subtitle { order: 2; }
    .hero-bullets { order: 3; }
    .hero-image { 
        order: 4; 
        justify-content: center; 
        margin: 30px auto; 
        max-width: 300px; 
    }
    .hero-actions { order: 5; }

    .author-image-wrapper { display: none; }
    .author-image-wrapper.mobile-only { display: block; margin: 30px auto; max-width: 300px; }
    .author-info { text-align: center; }
    .hero-actions { display: flex; flex-direction: column; align-items: center; }
    .hero-bullets ul li { justify-content: center; text-align: left; }
    
    .author .section-title {
        font-size: 2.2rem;
        padding: 8px 15px;
    }

    .comparison-grid, .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hero { padding-top: 100px; }
    .hero-title { font-size: 2.4rem; }
    .section-title { font-size: 2.2rem; }
    .offer-card { padding: 40px 25px; }
    .price-new { font-size: 3.5rem; }
    .btn-large { width: 100%; padding: 18px 30px; }
    .claro-item { flex-direction: column; align-items: center; text-align: center; }
    .claro-item { border-left: none; border-top: 3px solid rgba(0,0,0,0.1); padding: 30px 20px; }
    .claro-item:hover { border-left: none; border-top: 3px solid var(--accent-color); transform: translateY(-5px); }
    .comparison-conclusion p { font-size: 1.1rem; }
    .comparison-conclusion .highlight-text { font-size: 1.3rem; }
    .accordion-header { padding: 20px; font-size: 1.1rem; }
    .accordion-content p { padding: 0 20px 20px; }
}