:root {
    --bg-color: #080a0a; /* Deep black with a slight tint */
    --gold-color: #9f8c47;
    --gold-light: #c8b77d;
    --gold-dark: #7a6a34;
    --text-white: #f5f5f5;
    --text-gray: #a3a3a3;
    
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-white);
    font-family: var(--font-sans);
    display: flex;
    justify-content: center;
    padding: 4rem 1.5rem;
    min-height: 100vh;
}

.container {
    max-width: 760px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Logo Section */
.logo-section {
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-box {
    border: 1px solid var(--gold-color);
    color: var(--gold-color);
    font-family: var(--font-serif);
    font-size: 2.2rem;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.2rem;
}

.logo-text {
    color: var(--gold-color);
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    font-weight: 500;
}

/* Typography */
.pre-headline {
    color: var(--gold-color);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.main-headline {
    font-family: var(--font-serif);
    font-size: 3.2rem;
    font-weight: 400;
    line-height: 1.25;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.italic-gold {
    color: var(--gold-light);
    font-style: italic;
}

.description {
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    width: 100%;
    max-width: 650px;
    background: linear-gradient(180deg, #dfc685 0%, #c4a962 40%, #a28945 100%);
    color: #111111;
    text-decoration: none;
    padding: 1.2rem;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    border: none;
    cursor: pointer;
    transition: filter 0.3s ease;
    margin-bottom: 1rem;
}

.cta-button:hover {
    filter: brightness(1.1);
}

/* Guarantees */
.guarantees {
    color: #666666;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    margin-bottom: 3.5rem;
    font-weight: 500;
}

/* Video Transition Text */
.video-text {
    color: #a3a3a3;
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

/* Video Container */
.video-container {
    width: 100%;
    max-width: 760px;
    aspect-ratio: 16 / 9;
    border: 6px solid #635728;
    background-color: #030303;
    position: relative;
    margin-bottom: 2.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-time {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    border: 1px solid #635728;
    color: #a09050;
    padding: 0.4rem 0.8rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
}

.play-button {
    width: 0;
    height: 0;
    border-top: 25px solid transparent;
    border-bottom: 25px solid transparent;
    border-left: 45px solid var(--gold-light);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.play-button:hover {
    transform: scale(1.1);
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    .main-headline {
        font-size: 2.2rem;
    }
    
    .description {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 1rem;
        font-size: 1rem;
    }
    
    .video-container {
        border-width: 4px;
    }
    
    .play-button {
        border-top: 20px solid transparent;
        border-bottom: 20px solid transparent;
        border-left: 35px solid var(--gold-light);
    }
}

/* Separator */
.separator {
    width: 100%;
    border: none;
    border-top: 1px solid rgba(159, 140, 71, 0.2);
    margin: 3rem 0;
}

/* Case Study Section */
.case-study-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    color: var(--gold-color);
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 400;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

/* Comparison Grid */
.comparison-grid {
    display: flex;
    gap: 1rem;
    width: 100%;
    max-width: 800px;
}

.image-card {
    flex: 1;
    position: relative;
    border: 2px solid var(--gold-dark);
    display: flex;
    background-color: #111;
    min-height: 300px;
}

.image-label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: #030303;
    color: var(--gold-light);
    border: 1px solid var(--gold-dark);
    padding: 0.4rem 0.8rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    z-index: 10;
}

.case-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Mobile responsive for Case Study */
@media (max-width: 768px) {
    .comparison-grid {
        flex-direction: column;
    }
    .section-title {
        font-size: 2.2rem;
    }
}

/* Disclaimer */
.disclaimer-text {
    color: #666666;
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.95rem;
    margin-bottom: 4rem;
    line-height: 1.6;
}

/* Quote Section */
.quote-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4rem;
}

.quote-icon {
    color: var(--gold-color);
    font-size: 3.5rem;
    font-family: var(--font-serif);
    font-style: italic;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.quote-text {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.4rem;
    color: #e5e5e5;
    line-height: 1.6;
    max-width: 680px;
}

/* Features Section */
.features-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4rem;
}

.features-grid {
    display: flex;
    gap: 1.2rem;
    width: 100%;
    max-width: 900px;
    margin-bottom: 4rem;
}

.feature-card {
    flex: 1;
    border: 1px solid rgba(159, 140, 71, 0.3); /* dark gold transparent */
    background-color: transparent;
    padding: 3rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.feature-number {
    color: var(--gold-color);
    font-size: 1.1rem;
    letter-spacing: 0.25em;
    margin-bottom: 1.5rem;
    font-family: var(--font-serif);
}

.feature-title {
    font-family: var(--font-serif);
    font-size: 1.7rem;
    color: #ffffff;
    font-weight: 400;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.feature-desc {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    font-weight: 300;
}

/* Conclusion Text */
.conclusion-text {
    color: var(--gold-light);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.65rem;
    margin-bottom: 2rem;
}

/* Responsive updates for new section */
@media (max-width: 768px) {
    .features-grid {
        flex-direction: column;
    }
    .quote-text {
        font-size: 1.2rem;
    }
    .conclusion-text {
        font-size: 1.4rem;
    }
}

/* Inside Look Section */
.inside-look-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4rem;
}

.inside-title {
    margin-bottom: 3rem;
    font-size: 0.85rem;
}

.inside-top-content {
    display: flex;
    gap: 3rem;
    width: 100%;
    max-width: 900px;
    align-items: center;
    margin-bottom: 3rem;
}

.book-image-container {
    flex: 1;
    display: flex;
}

.book-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border: 1px solid var(--gold-dark);
}

.inside-bullets {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
}

.bullet-list {
    list-style: none;
    padding: 0;
}

.bullet-list li {
    font-size: 1.15rem;
    color: #e5e5e5;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    font-weight: 300;
}

.diamond {
    color: var(--gold-color);
    margin-right: 1rem;
    font-size: 1.2rem;
}

.page-previews {
    display: flex;
    gap: 1.2rem;
    width: 100%;
    max-width: 1000px;
    margin-bottom: 2rem;
}

.page-preview-card {
    flex: 1;
    border: 1px solid var(--gold-dark);
    display: flex;
}

.preview-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.inside-footer-text {
    color: #888888;
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .inside-top-content {
        flex-direction: column;
        gap: 2rem;
    }
    .page-previews {
        flex-direction: column;
    }
    .bullet-list li {
        font-size: 1rem;
    }
}

/* Summary Section */
.summary-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4rem;
}

.summary-box {
    width: 100%;
    max-width: 800px;
    border: 1px solid var(--gold-dark);
    padding: 2.5rem;
    margin-bottom: 3rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
    border-bottom: 1px solid rgba(159, 140, 71, 0.2);
}

.item-name {
    color: #e5e5e5;
    font-size: 1.15rem;
    font-weight: 300;
    display: flex;
    align-items: center;
}

.check-mark {
    color: var(--gold-color);
    margin-right: 1rem;
    font-size: 1.2rem;
}

.item-value {
    color: #888888;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-style: italic;
}

.summary-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.total-label {
    color: #888888;
    font-size: 1.1rem;
    font-weight: 300;
}

.total-old-price {
    color: var(--gold-dark);
    font-family: var(--font-serif);
    font-size: 1.4rem;
    text-decoration: line-through;
}

.summary-final-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.final-label {
    color: #ffffff;
    font-size: 1.3rem;
    font-weight: 400;
    margin-top: 0.5rem;
}

.final-price-container {
    text-align: right;
}

.final-price {
    color: var(--gold-light);
    font-family: var(--font-serif);
    font-size: 3.8rem;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.final-subtext {
    color: #888888;
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.95rem;
}

.final-guarantee {
    color: #777777;
    font-size: 0.9rem;
    font-weight: 300;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .summary-box {
        padding: 1.5rem;
    }
    .item-name {
        font-size: 1rem;
    }
    .final-price {
        font-size: 2.8rem;
    }
    .summary-final-row {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1.5rem;
    }
    .final-price-container {
        text-align: center;
    }
}

/* Clarity Section */
.clarity-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 5rem;
}

.clarity-columns {
    display: flex;
    gap: 4rem;
    width: 100%;
    max-width: 900px;
    margin-top: 2rem;
}

.clarity-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.clarity-title {
    color: var(--gold-color);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    font-weight: 500;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.clarity-divider {
    border: none;
    border-top: 1px solid rgba(159, 140, 71, 0.3);
    margin-bottom: 2rem;
}

.clarity-list {
    list-style: none;
    padding: 0;
}

.clarity-list li {
    color: #a3a3a3;
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
    font-weight: 300;
}

/* Guarantee Section */
.guarantee-section {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 4rem;
}

.guarantee-box {
    width: 100%;
    max-width: 850px;
    border: 1px solid var(--gold-dark);
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.guarantee-badge {
    width: 50px;
    height: 50px;
    border: 1px solid var(--gold-dark);
    color: var(--gold-color);
    font-family: var(--font-serif);
    font-size: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
}

.guarantee-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    color: #ffffff;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.guarantee-text {
    color: #b3b3b3;
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.guarantee-subtext {
    color: #888888;
    font-size: 0.95rem;
    font-weight: 300;
}

@media (max-width: 768px) {
    .clarity-columns {
        flex-direction: column;
        gap: 3rem;
    }
    .guarantee-box {
        padding: 3rem 1.5rem;
    }
    .guarantee-title {
        font-size: 1.8rem;
    }
}

/* FAQ Section */
.faq-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 5rem;
}

.faq-container {
    width: 100%;
    max-width: 800px;
    margin-top: 2rem;
    text-align: left;
}

.faq-divider {
    border: none;
    border-top: 1px solid rgba(159, 140, 71, 0.25);
    margin: 0;
}

.faq-item {
    padding: 2.5rem 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    cursor: pointer;
}

.faq-question h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: #ffffff;
    font-weight: 400;
    margin: 0;
    padding-right: 2rem;
    line-height: 1.3;
}

.faq-icon {
    color: var(--gold-color);
    font-size: 1.2rem;
    font-weight: 300;
    margin-top: 0.2rem;
}

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

.faq-answer.active {
    max-height: 500px; /* Suficiente para el contenido */
}

.faq-answer p {
    color: #a3a3a3;
    font-size: 1.05rem;
    line-height: 1.6;
    font-weight: 300;
    max-width: 90%;
    margin-top: 1rem;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .faq-question h3 {
        font-size: 1.2rem;
        max-width: 85%;
    }
    .faq-answer p {
        max-width: 100%;
    }
    .faq-item {
        padding: 2rem 0;
    }
}

/* Final CTA Section */
.final-cta-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 3rem;
    margin-bottom: 5rem;
    text-align: center;
}

.final-headline {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 400;
    color: #ffffff;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.final-description {
    color: #a3a3a3;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 3rem;
    font-weight: 300;
}

/* Footer */
.site-footer {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 3rem;
    padding-bottom: 2rem;
    border-top: 1px solid rgba(159, 140, 71, 0.15); /* Subtle dark gold line */
    margin-top: 2rem;
}

.footer-disclaimer {
    color: #555555;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    font-weight: 300;
    text-align: center;
}

.footer-brand {
    color: var(--gold-dark);
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .final-headline {
        font-size: 2.2rem;
    }
}
