/* CSS RESET AND VARIABLES */
:root {
    /* Colors */
    --color-bg: #fdfdfc;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #64748b;
    --color-primary: #111827;
    --color-accent: #f59e0b;
    /* Professional warm gold */
    --color-border: #e2e8f0;

    /* Typography */
    --font-heading: 'Ubuntu', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 8rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.05), 0 4px 6px -4px rgb(0 0 0 / 0.03);
    --shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Radii */
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
.brand-badge,
.card-tier {
    font-family: var(--font-heading);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--space-2xl) 0;
}

.section-label {
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-family: var(--font-heading);
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 1.05rem;
    width: 100%;
}

.btn-primary {
    background-color: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    border-color: var(--color-primary);
    background-color: #f8fafc;
}

.btn-dark {
    background-color: var(--color-primary);
    color: white;
    border: 1px solid var(--color-primary);
}

.btn-dark:hover {
    background-color: #1f2937;
    box-shadow: var(--shadow-lg);
}

/* HERO SECTION */
.hero-section {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-xl);
    text-align: center;
}

.brand-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(245, 158, 11, 0.1);
    color: #b45309;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.hero-title .highlight {
    color: var(--color-text-muted);
    font-weight: 400;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 800px;
    margin: 0 auto var(--space-xl);
}

.vsl-placeholder {
    max-width: 900px;
    margin: 0 auto;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border-radius: var(--radius-xl);
    position: relative;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vsl-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
}

.play-button {
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.play-button i {
    width: 2rem;
    height: 2rem;
    margin-left: 0.25rem;
    /* Optical center alignment */
}

.vsl-overlay:hover .play-button {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.vsl-duration {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* AUTHORITY SECTION */
.authority-section {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.authority-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.authority-text h2 {
    font-size: 2.25rem;
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
    line-height: 1.2;
}

.authority-text p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.authority-text strong {
    color: var(--color-primary);
}

.stats-row {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

.authority-visual {
    background: #f8fafc;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-mockup {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--color-border);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.chart-header i {
    color: var(--color-accent);
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    height: 150px;
}

.bar {
    flex: 1;
    background: #e2e8f0;
    border-radius: 4px 4px 0 0;
    transition: height 1s ease-out;
}

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

/* PRODUCT SUITE SECTION */
.suite-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.suite-header h2 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.suite-header p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    position: relative;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: #cbd5e1;
}

/* Category Headers */
.category-header {
    text-align: left;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-border);
}

.category-header-course {
    margin-top: var(--space-2xl);
}

.category-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.category-subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
}

/* Course Horizontal Card */
.course-grid {
    grid-template-columns: 1fr;
}

.course-feature-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.course-divider-vertical {
    display: none;
}

@media (min-width: 900px) {
    .course-card {
        flex-direction: row;
        align-items: stretch;
        gap: 0;
        padding: 0;
        overflow: hidden;
    }

    .course-left {
        flex: 1;
        padding: var(--space-xl);
        display: flex;
        flex-direction: column;
        justify-content: center;
        background: var(--color-surface);
    }

    .course-left .card-description {
        margin-bottom: var(--space-lg);
        max-width: 90%;
    }

    .course-left .btn {
        width: max-content;
    }

    .course-divider-vertical {
        display: block;
        width: 1px;
        background-color: var(--color-border);
        margin: var(--space-lg) 0;
    }

    .course-right {
        flex: 1;
        padding: var(--space-xl);
        background: #f8fafc;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .course-features {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
        margin-bottom: 0;
    }
}

/* Card Icons */
.card-icon {
    width: 3rem;
    height: 3rem;
    background-color: #f8fafc;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.card-icon i {
    width: 1.5rem;
    height: 1.5rem;
}

.card-tier {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

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

.card-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

/* Footer Styles */
.footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0 var(--space-lg);
    margin-top: var(--space-2xl);
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    max-width: 400px;
}

.footer-badge {
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.footer-social h4 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background-color: #f8fafc;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all 0.2s ease;
}

.social-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background-color: var(--color-surface);
}

.social-link i {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-divider {
    height: 1px;
    background-color: var(--color-border);
    margin-bottom: var(--space-lg);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.footer-disclaimer p {
    font-size: 0.75rem;
    color: #94a3b8;
    /* Lighter text for disclaimer */
    line-height: 1.6;
}

.footer-disclaimer strong {
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.legal-links {
    display: flex;
    gap: var(--space-lg);
}

.legal-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

/* SITE HEADER */
.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-primary);
    transition: opacity 0.2s ease;
}

.logo:hover {
    opacity: 0.9;
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-accent);
    color: white;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.logo-icon i {
    width: 1.25rem;
    height: 1.25rem;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--color-primary);
}

.back-link i {
    width: 1rem;
    height: 1rem;
}

/* Detail Hero Adjustments */
.hero-centered {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

.hero-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 900px) {
    .hero-split {
        grid-template-columns: 1fr 1fr;
    }
}

.detail-hero-content.text-left {
    text-align: left;
    margin-bottom: 0;
}

.text-left-subtitle {
    margin: 0 0 var(--space-xl) 0;
}

.detail-hero .hero-price {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.detail-cta-top {
    width: auto;
    margin-top: 0;
    margin-bottom: 0;
}

.vsl-wrapper {
    width: 100%;
}

/* Detail Content Layout (Single-Column) */
.detail-container {
    padding: 0 1.5rem;
}

.centered-content {
    max-width: 800px;
    margin: 0 auto;
}

/* Detail Page Typography */
.text-content p {
    font-size: 1.125rem;
    color: #334155;
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.text-content .lead-text {
    font-size: 1.25rem;
    color: var(--color-primary);
    font-weight: 500;
}

.text-content h2 {
    font-size: 2rem;
    color: var(--color-primary);
    margin: var(--space-xl) 0 var(--space-md);
}

.divider-line {
    height: 2px;
    background: var(--color-border);
    margin: var(--space-xl) 0;
}

/* Text Highlights */
.highlight-box {
    background: #f8fafc;
    border-left: 4px solid var(--color-accent);
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-lg) 0;
    display: flex;
    gap: var(--space-md);
}

.highlight-box i {
    color: var(--color-accent);
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    margin-top: 0.25rem;
}

.highlight-box p {
    margin-bottom: 0;
    color: var(--color-primary);
}

.highlight-info {
    background: rgba(17, 24, 39, 0.05);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
}

.highlight-info p {
    margin-bottom: 0;
    font-style: italic;
    color: var(--color-primary);
}

/* Benefits List in Content */
.benefit-list {
    list-style: none;
    margin: var(--space-lg) 0;
}

.benefit-list li {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    background: var(--color-surface);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.benefit-list li.guarantee-item {
    border: 2px solid var(--color-primary);
    background: #fdfdfc;
}

.benefit-icon {
    width: 3rem;
    height: 3rem;
    background: #f8fafc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-primary);
}

.guarantee-item .benefit-icon {
    background: var(--color-primary);
    color: white;
}

.benefit-text strong {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

/* Sticky Sidebar Card */
.pricing-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.sidebar-description {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.btn-block {
    width: 100%;
}

.secure-text {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.secure-text i {
    width: 0.8rem;
    height: 0.8rem;
}

.card-divider {
    height: 1px;
    background: var(--color-border);
    margin-bottom: var(--space-md);
}

.card-description {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    min-height: 80px;
    /* Aligns content roughly */
}

.feature-list {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.feature-list i {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-accent);
    flex-shrink: 0;
}

.card-spacing {
    flex-grow: 1;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .authority-grid {
        grid-template-columns: 1fr;
    }

    .authority-visual {
        order: -1;
    }
}