/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: rgb(92, 92, 92);
    background-color: #fff;
}

/* Container */
.lp-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.lp-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    z-index: 100;
}

.lp-header-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lp-logo img {
    height: 48px;
    width: auto;
}

.lp-header-cta {
    display: inline-block;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background-color: #017CFF;
    border-radius: 10px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.lp-header-cta:hover {
    background-color: #0056b3;
}

/* Hero Section */
.lp-hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, #017CFF 0%, #0056b3 100%);
    text-align: center;
}

.lp-hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 24px;
    line-height: 1.2;
}

.lp-hero-subtitle {
    font-size: 20px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Buttons */
.lp-btn {
    display: inline-block;
    padding: 16px 32px;
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.lp-btn-primary {
    color: #017CFF;
    background-color: #fff;
}

.lp-btn-primary:hover {
    background-color: #f0f7ff;
    transform: translateY(-2px);
}

.lp-btn-secondary {
    color: #fff;
    background-color: #017CFF;
}

.lp-btn-secondary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.lp-btn-large {
    padding: 20px 48px;
    font-size: 18px;
}

/* Sections */
.lp-section {
    padding: 80px 0;
}

.lp-section-light {
    background-color: #f9f9f9;
}

.lp-section-title {
    font-size: 36px;
    font-weight: 700;
    color: rgb(92, 92, 92);
    text-align: center;
    margin-bottom: 24px;
}

.lp-section-text {
    font-size: 18px;
    line-height: 1.8;
    color: rgb(120, 120, 120);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 32px;
}

.lp-section .lp-btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* Story Box */
.lp-story-box {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    background-color: #f9f9f9;
    border-left: 4px solid #017CFF;
    border-radius: 8px;
}

.lp-story-quote {
    font-size: 18px;
    font-style: italic;
    line-height: 1.8;
    color: rgb(92, 92, 92);
    margin-bottom: 16px;
}

.lp-story-attribution {
    font-size: 14px;
    font-weight: 600;
    color: rgb(120, 120, 120);
}

/* Features Grid */
.lp-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.lp-feature-card {
    background-color: #fff;
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lp-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.lp-feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    color: #017CFF;
}

.lp-feature-icon svg {
    width: 100%;
    height: 100%;
}

.lp-feature-title {
    font-size: 18px;
    font-weight: 600;
    color: rgb(92, 92, 92);
    margin-bottom: 12px;
}

.lp-feature-text {
    font-size: 15px;
    color: rgb(140, 140, 140);
    line-height: 1.6;
}

/* Stats Grid */
.lp-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.lp-stat-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lp-stat-number {
    font-size: 36px;
    font-weight: 700;
    color: #017CFF;
}

.lp-stat-label {
    font-size: 14px;
    color: rgb(120, 120, 120);
    line-height: 1.4;
}

/* Trust Badges */
.lp-trust-badges {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 40px;
}

.lp-trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.lp-trust-badge svg {
    width: 48px;
    height: 48px;
    color: #10b981;
}

.lp-trust-badge span {
    font-size: 14px;
    font-weight: 600;
    color: rgb(92, 92, 92);
}

/* CTA Section */
.lp-section-cta {
    background: linear-gradient(135deg, #017CFF 0%, #0056b3 100%);
    text-align: center;
}

.lp-cta-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.lp-cta-text {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

/* Ad Container */
.lp-ad-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
    text-align: center;
}

/* Footer */
.lp-footer {
    background-color: #1a1a1a;
    padding: 48px 0;
    text-align: center;
}

.lp-footer-tagline {
    font-size: 18px;
    font-weight: 500;
    color: #fff;
    margin-bottom: 24px;
}

.lp-footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 24px;
}

.lp-footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.lp-footer-links a:hover {
    color: #fff;
}

.lp-footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* Last Updated Text */
.lp-last-updated {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 24px;
}

/* Subsection Titles */
.lp-subsection-title {
    font-size: 22px;
    font-weight: 600;
    color: rgb(92, 92, 92);
    margin: 40px auto 16px;
    max-width: 800px;
    text-align: center;
}

/* Source Citation */
.lp-source-citation {
    font-size: 14px;
    color: rgb(140, 140, 140);
    text-align: center;
    margin-top: 32px;
    font-style: italic;
}

.lp-source-citation a {
    color: #017CFF;
    text-decoration: none;
}

.lp-source-citation a:hover {
    text-decoration: underline;
}

/* Benefit Lists */
.lp-benefit-list {
    max-width: 800px;
    margin: 0 auto 32px;
    padding-left: 24px;
    text-align: left;
}

.lp-benefit-list li {
    font-size: 16px;
    line-height: 1.8;
    color: rgb(120, 120, 120);
    margin-bottom: 12px;
}

.lp-benefit-list li strong {
    color: rgb(92, 92, 92);
}

/* Detail Lists */
.lp-detail-list {
    max-width: 800px;
    margin: 0 auto 32px;
    padding-left: 24px;
    text-align: left;
}

.lp-detail-list li {
    font-size: 16px;
    line-height: 1.8;
    color: rgb(120, 120, 120);
    margin-bottom: 12px;
}

.lp-detail-list li strong {
    color: rgb(92, 92, 92);
}

/* Challenge List */
.lp-challenge-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 40px auto 0;
}

.lp-challenge-item {
    background: #f9f9f9;
    padding: 24px;
    border-radius: 12px;
    border-left: 4px solid #017CFF;
}

.lp-challenge-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: rgb(92, 92, 92);
    margin-bottom: 8px;
}

.lp-challenge-item p {
    font-size: 15px;
    color: rgb(120, 120, 120);
    line-height: 1.6;
}

/* Lab Values Grid */
.lp-lab-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 32px auto;
}

.lp-lab-item {
    background: #f9f9f9;
    padding: 24px;
    border-radius: 12px;
}

.lp-lab-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #017CFF;
    margin-bottom: 16px;
}

.lp-lab-item ul {
    list-style: none;
    padding: 0;
}

.lp-lab-item li {
    font-size: 14px;
    color: rgb(92, 92, 92);
    padding: 6px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.lp-lab-item li:last-child {
    border-bottom: none;
}

/* FAQ Section */
.lp-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.lp-faq-item {
    background: #f9f9f9;
    padding: 24px 32px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.lp-faq-question {
    font-size: 18px;
    font-weight: 600;
    color: rgb(92, 92, 92);
    margin-bottom: 12px;
}

.lp-faq-answer {
    font-size: 16px;
    line-height: 1.8;
    color: rgb(120, 120, 120);
}

/* Related Articles Grid */
.lp-related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.lp-related-card {
    background: #fff;
    padding: 24px;
    border-radius: 12px;
    text-decoration: none;
    border: 1px solid rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lp-related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.lp-related-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #017CFF;
    margin-bottom: 8px;
}

.lp-related-card p {
    font-size: 14px;
    color: rgb(120, 120, 120);
    line-height: 1.6;
}

/* Sources Section */
.lp-sources {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.lp-sources p {
    font-size: 14px;
    color: rgb(120, 120, 120);
    line-height: 1.8;
    margin-bottom: 12px;
}

.lp-sources a {
    color: #017CFF;
    text-decoration: none;
}

.lp-sources a:hover {
    text-decoration: underline;
}

/* Disclaimer */
.lp-disclaimer {
    max-width: 800px;
    margin: 24px auto;
    padding: 20px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
}

.lp-disclaimer p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

/* Multiple Story Boxes */
.lp-story-box + .lp-story-box {
    margin-top: 24px;
}

/* Content Blocks */
.lp-content-block {
    margin-bottom: 32px;
    text-align: left;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.lp-content-block:last-child {
    margin-bottom: 0;
}

.lp-content-subtitle {
    font-size: 22px;
    font-weight: 600;
    color: rgb(92, 92, 92);
    margin-bottom: 12px;
}

.lp-content-block .lp-section-text {
    text-align: left;
    margin-bottom: 0;
}

/* Citation */
.lp-citation {
    font-size: 13px;
    color: rgb(140, 140, 140);
    text-align: center;
    margin-top: 32px;
    font-style: italic;
}

/* Checklist */
.lp-checklist {
    max-width: 800px;
    margin: 40px auto 0;
}

.lp-checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
    background-color: #fff;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.lp-checklist-item:last-child {
    margin-bottom: 0;
}

.lp-checklist-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background-color: #017CFF;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.lp-checklist-content {
    flex: 1;
}

.lp-checklist-content strong {
    display: block;
    font-size: 17px;
    font-weight: 600;
    color: rgb(92, 92, 92);
    margin-bottom: 8px;
}

.lp-checklist-content p {
    font-size: 15px;
    color: rgb(120, 120, 120);
    line-height: 1.6;
    margin: 0;
}

/* Related Articles (alternate class) */
.lp-related-articles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.lp-related-article {
    display: block;
    background-color: #f9f9f9;
    padding: 28px;
    border-radius: 12px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lp-related-article:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.lp-related-article h3 {
    font-size: 17px;
    font-weight: 600;
    color: #017CFF;
    margin-bottom: 10px;
}

.lp-related-article p {
    font-size: 14px;
    color: rgb(120, 120, 120);
    line-height: 1.6;
    margin: 0;
}

/* Sources Section */
.lp-sources-section {
    padding: 60px 0;
}

.lp-sources-section .lp-section-title {
    font-size: 24px;
    margin-bottom: 32px;
}

.lp-sources-list {
    max-width: 800px;
    margin: 0 auto;
    list-style: none;
    text-align: left;
}

.lp-sources-list li {
    padding: 12px 0;
    border-bottom: 1px solid #e5e5e5;
    font-size: 14px;
    color: rgb(120, 120, 120);
    line-height: 1.6;
}

.lp-sources-list li:last-child {
    border-bottom: none;
}

.lp-sources-list a {
    color: #017CFF;
    text-decoration: none;
    font-weight: 500;
}

.lp-sources-list a:hover {
    text-decoration: underline;
}

/* Footer Disclaimer */
.lp-footer-disclaimer {
    max-width: 800px;
    margin: 0 auto 24px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    text-align: left;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.lp-footer-disclaimer strong {
    color: rgba(255, 255, 255, 0.8);
}

/* Tablet */
@media (max-width: 900px) {
    .lp-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .lp-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .lp-hero-title {
        font-size: 40px;
    }

    .lp-section-title {
        font-size: 30px;
    }

    .lp-lab-grid {
        grid-template-columns: 1fr;
    }

    .lp-related-grid {
        grid-template-columns: 1fr;
    }

    .lp-challenge-list {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 600px) {
    .lp-header-container {
        padding: 12px 16px;
    }

    .lp-logo img {
        height: 36px;
    }

    .lp-header-cta {
        padding: 10px 16px;
        font-size: 13px;
    }

    .lp-hero {
        padding: 120px 0 60px;
    }

    .lp-hero-title {
        font-size: 28px;
    }

    .lp-hero-subtitle {
        font-size: 16px;
    }

    .lp-section {
        padding: 60px 0;
    }

    .lp-section-title {
        font-size: 24px;
    }

    .lp-section-text {
        font-size: 16px;
    }

    .lp-features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .lp-feature-card {
        padding: 24px;
    }

    .lp-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .lp-stat-number {
        font-size: 28px;
    }

    .lp-story-box {
        padding: 24px;
    }

    .lp-story-quote {
        font-size: 16px;
    }

    .lp-trust-badges {
        flex-direction: column;
        gap: 24px;
    }

    .lp-cta-title {
        font-size: 24px;
    }

    .lp-btn-large {
        padding: 16px 32px;
        font-size: 16px;
    }

    .lp-footer-links {
        flex-direction: column;
        gap: 16px;
    }

    .lp-faq-item {
        padding: 20px;
    }

    .lp-faq-question {
        font-size: 16px;
    }

    .lp-faq-answer {
        font-size: 15px;
    }

    .lp-subsection-title {
        font-size: 18px;
        margin: 32px auto 12px;
    }

    .lp-related-card {
        padding: 20px;
    }

    .lp-related-card h3 {
        font-size: 16px;
    }

    .lp-disclaimer {
        padding: 16px;
    }

    .lp-disclaimer p {
        font-size: 11px;
    }

    .lp-content-subtitle {
        font-size: 18px;
    }

    .lp-checklist-item {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }

    .lp-checklist-content strong {
        font-size: 16px;
    }

    .lp-checklist-content p {
        font-size: 14px;
    }

    .lp-related-articles {
        grid-template-columns: 1fr;
    }

    .lp-related-article {
        padding: 20px;
    }

    .lp-related-article h3 {
        font-size: 16px;
    }

    .lp-sources-section {
        padding: 40px 0;
    }

    .lp-sources-section .lp-section-title {
        font-size: 20px;
    }

    .lp-sources-list li {
        font-size: 13px;
    }

    .lp-footer-disclaimer {
        padding: 16px;
        font-size: 11px;
    }
}