:root {
    /* Color Palette */
    --bg-dark: #121614;
    --bg-card: #1c221e;
    --bg-card-hover: #212823;

    --primary-color: #5d6d5a;
    --primary-light: #7a8f77;
    --accent-gold: #cfa856;
    --accent-gold-hover: #e0b968;

    --text-primary: #ededed;
    --text-secondary: #a7b5ac;
    --text-muted: #758379;

    --border-color: #2e3831;
    --border-light: rgba(93, 109, 90, 0.4);

    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(207, 168, 86, 0.1);

    --radius-md: 12px;
    --radius-lg: 16px;

    --transition-fast: 0.2s ease-in-out;
    --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset & Fundamentals */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Background Atmosphere */
.bck-decor-1 {
    position: absolute;
    top: -10vw;
    right: -10vw;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(93, 109, 90, 0.15) 0%, rgba(18, 22, 20, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.bck-decor-2 {
    position: absolute;
    bottom: 20vh;
    left: -15vw;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(207, 168, 86, 0.05) 0%, rgba(18, 22, 20, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.75em;
    color: #ffffff;
}

h2 {
    font-size: 1.75rem;
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
    margin-bottom: 24px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-gold);
    border-radius: 2px;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-gold-hover);
}

/* Layout Utilities */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center {
    text-align: center;
}

/* Header / Hero */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
    background: linear-gradient(180deg, rgba(28, 34, 30, 0.8) 0%, rgba(18, 22, 20, 0) 100%);
}

.logo {
    width: 120px;
    height: auto;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
    transition: transform var(--transition-slow);
}

.logo:hover {
    transform: scale(1.05);
}

.hero h1 {
    font-size: 3rem;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    background: linear-gradient(90deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--accent-gold);
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
}

/* Content Container */
main {
    padding: 40px 0 80px;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-fast);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-light);
}

.lead-text {
    font-size: 1.15rem;
    color: var(--text-primary);
    line-height: 1.7;
}

/* Outline Card */
.outline-card {
    background-color: transparent;
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.outline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-gold));
}

/* Prominent Alert Box */
.alert-box {
    margin-top: 24px;
    padding: 24px;
    background: rgba(93, 109, 90, 0.15);
    border-left: 4px solid var(--primary-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.alert-icon {
    color: var(--primary-light);
    flex-shrink: 0;
    margin-top: 4px;
}

.alert-content p {
    color: var(--text-primary);
    margin-bottom: 16px;
}

/* Buttons and Links */
.link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.95rem;
}

.link-btn span {
    transition: transform var(--transition-fast);
}

.link-btn:hover span {
    transform: translateX(4px);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.primary-btn {
    background-color: var(--accent-gold);
    color: #121212;
    border: none;
}

.primary-btn:hover {
    background-color: var(--accent-gold-hover);
    color: #121212;
    box-shadow: 0 6px 16px rgba(207, 168, 86, 0.3);
    transform: translateY(-2px);
}

/* Custom Numbered List for Rules */
.custom-list {
    list-style: none;
    padding-top: 16px;
}

.custom-list li {
    display: flex;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.02);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.custom-list li:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
}

.list-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--border-color);
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 1.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.list-content {
    color: var(--text-primary);
    line-height: 1.6;
}

/* Promo Card for YouTube Course */
.promo-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1c221e 0%, #2a332a 100%);
}

.promo-content {
    position: relative;
    z-index: 2;
}

.promo-bg {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(207, 168, 86, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    z-index: 1;
}

/* Data Table */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    margin: 32px 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th,
.data-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: rgba(255, 255, 255, 0.03);
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.data-table td {
    color: var(--text-secondary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.04);
}

.highlight-row td {
    color: var(--accent-gold);
    font-weight: 600;
}

.source-text {
    font-size: 0.85rem;
    text-align: right;
    color: var(--text-muted);
}

/* Grid layout for contacts and links */
.grid-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

/* Icons and Links Lists */
.contact-list,
.links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-list li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
}

.contact-icon {
    color: var(--primary-light);
    margin-top: 2px;
}

.contact-details strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 500;
}

.contact-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.contact-actions.split {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.contact-actions.split span {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-left: 8px;
}

.contact-link {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.contact-link.call {
    background: rgba(93, 109, 90, 0.2);
    color: #8fb187;
}

.contact-link.call:hover {
    background: rgba(93, 109, 90, 0.4);
    color: #fff;
}

.contact-link.web {
    background: rgba(207, 168, 86, 0.1);
}

.divider {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Links List */
.link-item {
    display: block;
    padding: 20px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.link-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-light);
    transform: translateX(4px);
}

.link-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.link-item strong {
    color: var(--accent-gold);
    font-size: 1.1rem;
}

.external-icon {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.link-item:hover .external-icon {
    color: var(--accent-gold);
}

.link-item span {
    color: var(--text-secondary);
    display: block;
    font-size: 0.95rem;
}

.fact-highlight {
    padding: 20px;
    border-left: 3px solid var(--accent-gold);
    background: linear-gradient(90deg, rgba(207, 168, 86, 0.05) 0%, rgba(0, 0, 0, 0) 100%);
    margin-bottom: 24px;
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    background-color: #0f1210;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    width: 60px;
    opacity: 0.5;
    margin-bottom: 12px;
}

.footer-subtext {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

.delay-4 {
    transition-delay: 0.4s;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .grid-section {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .card {
        padding: 24px;
    }

    .alert-box {
        flex-direction: column;
        gap: 12px;
    }
}