:root {
    --primary-color: #2E7D32;
    --primary-light: #43A047;
    --primary-dark: #1B5E20;
    --secondary-color: #81C784;
    --accent-color: #A5D6A7;

    /* High Conversion Colors */
    --cta-color: #FF6D00;
    /* Laranja Vibrante para Ação */
    --cta-hover: #E65100;
    /* Laranja Escuro para Hover */
    --alert-color: #D32F2F;
    /* Vermelho para erros/atenção */

    --text-color: #212121;
    --text-light: #757575;
    --background-color: #FAFAFA;
    --surface-color: #FFFFFF;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    --radius-md: 8px;
    --radius-lg: 16px;

    --font-main: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

h1,
h2,
h3,
h4 {
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    padding: 100px 0 150px;
    /* Extra padding bottom for wave */
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.badge {
    background-color: rgba(46, 125, 50, 0.1);
    color: var(--primary-dark);
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 24px;
    display: inline-block;
}

.hero h1 {
    font-size: 3.5rem;
    max-width: 800px;
    margin-bottom: 24px;
    background: linear-gradient(to right, var(--primary-dark), var(--primary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subheadline {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin-bottom: 40px;
}

/* Buttons */
/* Buttons */
.btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 14px 44px;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
    text-decoration: none;
    line-height: 1.2;
    border: none;
}

.btn-primary {
    background: linear-gradient(180deg, #FF9100 0%, #FF6D00 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 109, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: linear-gradient(180deg, #FFAB40 0%, #FF6D00 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 25px rgba(255, 109, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-main {
    font-weight: 800;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

.btn-sub {
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0.95;
    margin-top: 4px;
}

.btn-large {
    padding: 18px 56px;
}

.btn-large .btn-main {
    font-size: 1.3rem;
}

/* Book Mockup Placeholder Styles */
.hero-image-placeholder {
    margin-top: 60px;
}

.book-mockup {
    width: 200px;
    height: 300px;
    background-color: var(--surface-color);
    margin: 0 auto;
    border-radius: 4px 16px 16px 4px;
    box-shadow:
        inset 4px 0 10px rgba(0, 0, 0, 0.1),
        /* Spine shadow inner */
        -15px 0 30px rgba(0, 0, 0, 0.3),
        /* Spine shadow outer */
        30px 20px 50px rgba(0, 0, 0, 0.2);
    /* Drop shadow */
    position: relative;
    transform: rotateY(-20deg) rotateX(10deg);
    transform-style: preserve-3d;
    perspective: 1000px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid #eee;
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
}

.book-cover {
    text-align: center;
    padding: 20px;
    border: 2px solid var(--primary-color);
    margin: 10px;
    height: 90%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.book-title {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-dark);
    text-transform: uppercase;
}

.book-subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
}


/* Problem Section */
.problem {
    padding: 100px 0;
    background-color: var(--surface-color);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.card {
    background: var(--surface-color);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
    border: 1px solid #f0f0f0;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.icon-accent {
    width: 48px;
    height: 48px;
    color: var(--primary-color);
    margin-bottom: 24px;
    background: #e8f5e9;
    padding: 10px;
    border-radius: 12px;
}

/* Transformations Section */
.transformations {
    padding: 100px 0;
    background-color: #F1F8E9;
}

.transformations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.transformation-card {
    background: transparent;
    padding: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: none;
    transition: transform 0.3s ease;
    border: none;
}

.transformation-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.transformation-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.transformation-card:hover img {
    transform: scale(1.03);
}

/* Intro Section */
.intro {
    padding: 100px 0;
    background-color: #fafafa;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.check-list {
    margin-top: 32px;
}

.check-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.check-icon {
    color: var(--primary-color);
    margin-right: 16px;
    flex-shrink: 0;
}

.check-icon-red {
    color: #e53935;
    margin-right: 16px;
    flex-shrink: 0;
}

.abstract-shape {
    width: 100%;
    height: 400px;
    background: linear-gradient(45deg, var(--primary-light), var(--accent-color));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morph 8s ease-in-out infinite;
    opacity: 0.8;
}

.ebook-blob {
    background: url('ebook_cover_3d.png') no-repeat center center;
    background-size: cover;
    opacity: 1;
    filter: drop-shadow(0 10px 20px rgba(46, 125, 50, 0.3));
    border: 4px solid rgba(255, 255, 255, 0.2);
}

@keyframes morph {
    0% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }

    50% {
        border-radius: 70% 30% 30% 70% / 60% 40% 60% 40%;
    }

    100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
}

/* Strategies Section */
.strategies {
    padding: 100px 0;
    background-color: var(--surface-color);
}

.strategy-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    /* Standard gap */
    align-items: center;
    /* Vertically align cards if they have different heights */
}



/* Responsive adjustments for strategies */
@media (max-width: 900px) {
    .strategy-cards {
        grid-template-columns: 1fr;
        /* Stack on smaller screens */
        max-width: 500px;
        margin: 0 auto;
    }
}

.strategy-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-sm);
    position: relative;
    border: 1px solid #eee;
    transition: transform 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.strategy-card.green {
    border-top: 5px solid var(--accent-color);
}

.strategy-card.blue {
    border-top: 5px solid var(--primary-color);
}

.strategy-card.dark {
    border-top: 5px solid var(--primary-dark);
}

.strategy-card h3 {
    margin-bottom: 8px;
}

.tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: var(--text-light);
}

.card-body {
    margin-top: 24px;
    flex-grow: 1;
}

.card-body ul {
    list-style: none;
    margin-top: 24px;
}

.card-body ul li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    font-size: 0.95rem;
}

.card-body ul li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.scale-up {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    z-index: 2;
    border-color: var(--primary-color);
}

.badge-popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--cta-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Learning */
.learning {
    padding: 100px 0;
    background-color: var(--surface-color);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.learn-item {
    display: flex;
    gap: 20px;
}

.learn-item i {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

/* Differentials */
.differentials {
    padding: 80px 0;
    background-color: var(--primary-dark);
    color: white;
}

.diff-box h2 {
    color: white;
    text-align: center;
    margin-bottom: 60px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    text-align: center;
}

.diff-item span {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    opacity: 0.3;
    margin-bottom: 8px;
}

.diff-item p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* FAQ */
.faq {
    padding: 100px 0;
    background-color: #fafafa;
}

.accordion {
    max-width: 800px;
    margin: 40px auto 0;
}

.accordion-item {
    background: white;
    margin-bottom: 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.accordion-btn {
    width: 100%;
    padding: 24px;
    text-align: left;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-color);
}

.accordion-btn::after {
    content: '+';
    font-size: 1.5rem;
    margin-left: 20px;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 24px;
    background-color: #f9f9f9;
}

.accordion-content p {
    padding-bottom: 24px;
    color: var(--text-light);
}

.accordion-item.active .accordion-content {
    max-height: 200px;
}

.accordion-item.active .accordion-btn::after {
    content: '-';
}

/* Final CTA */
.final-cta {
    padding: 100px 0;
    text-align: center;
    background-color: var(--surface-color);
}

.price-box {
    margin: 40px 0;
}

.old-price {
    display: block;
    text-decoration: line-through;
    color: var(--text-light);
    font-size: 1.2rem;
}

.new-price {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--cta-color);
}

.guarantee {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.guarantee i {
    width: 16px;
}

footer {
    background-color: #111;
    color: #888;
    text-align: center;
    padding: 40px 0;
    font-size: 0.9rem;
}

.disclaimer {
    margin-top: 16px;
    font-size: 0.8rem;
    opacity: 0.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Mobile query */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .split-layout {
        grid-template-columns: 1fr;
    }

    .abstract-shape {
        height: 200px;
    }

    .strategy-cards {
        grid-template-columns: 1fr;
    }

    .scale-up {
        transform: scale(1);
    }
}

/* 3D Ebook Image Styles */
/* 3D Ebook Image Styles */
.hero-book-img {
    width: 100%;
    max-width: 280px;
    /* Reduced size as requested */
    height: auto;
    filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.4));
    animation: floating 6s ease-in-out infinite;
    display: block;
    margin: 0 auto;
    transition: all 0.5s ease;
    cursor: pointer;
}

.hero-book-img:hover {
    animation-play-state: paused;
    transform: scale(1.05) rotateY(0deg) translateY(-10px);
    filter: drop-shadow(0 30px 40px rgba(46, 125, 50, 0.4)) brightness(1.05);
}

@keyframes floating {
    0% {
        transform: translateY(0px) rotateY(-5deg);
    }

    50% {
        transform: translateY(-15px) rotateY(0deg);
    }

    100% {
        transform: translateY(0px) rotateY(-5deg);
    }
}

/* Final CTA Updates */
.cta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    text-align: left;
    max-width: 1000px;
    margin: 0 auto;
}

.cta-image-box {
    display: flex;
    justify-content: flex-end;
    /* Push image towards center */
}

.cta-book-img {
    width: 100%;
    max-width: 320px;
    height: auto;
    filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.25));
    transform: rotate(-12deg);
    transition: all 0.4s ease;
}

.cta-book-img:hover {
    transform: rotate(-5deg) scale(1.05) translateY(-10px);
}

.cta-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

/* Responsive Adjustments for CTA */
@media (max-width: 900px) {
    .cta-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .cta-image-box {
        justify-content: center;
    }

    .cta-content {
        align-items: center;
    }

    .cta-book-img {
        max-width: 250px;
        transform: rotate(-5deg);
        margin-bottom: 20px;
    }
}