:root {
    /* Colors */
    --color-bg-primary: #0f0f13;
    --color-bg-secondary: #1a1a24;
    --color-bg-tertiary: #252533;
    --color-accent-primary: #ffb800;
    /* Gold */
    --color-accent-secondary: #ff4d4d;
    /* Red/Orange */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-success: #00e676;

    /* Typography */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-size-base: 16px;
    --font-weight-regular: 400;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 15px rgba(255, 184, 0, 0.3);
}

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

body {
    font-family: var(--font-family-base);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.flex {
    display: flex;
    gap: var(--spacing-md);
}

.flex-col {
    flex-direction: column;
}

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

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

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

/* Typography Utilities */
.h1 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #fff 0%, #a0a0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.text-lg {
    font-size: 1.125rem;
}

.text-sm {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, #e6a600 100%);
    color: #000;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255, 184, 0, 0.5);
}

.btn-secondary {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.card {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(15, 15, 19, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md) 0;
}

.nav-link {
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-accent-primary);
}

/* Footer */
.footer {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-xxl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: var(--spacing-xxl);
}

/* Responsive */
@media (min-width: 768px) {
    .grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 767px) {
    .nav-menu {
        display: none;
        /* Simple mobile hide for now, will add JS toggle later */
    }

    .h1 {
        font-size: 2rem;
    }
}

/* Popup Styles */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 200;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.popup-content {
    background: var(--color-bg-secondary);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--color-accent-primary);
    box-shadow: 0 0 30px rgba(255, 184, 0, 0.2);
    width: 90%;
    max-width: 400px;
    position: relative;
    animation: scaleIn 0.3s ease;
}

.popup-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

.popup-close:hover {
    color: #fff;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* =========================================
   SEO Content Enhancements (Added 2026-02-13)
   ========================================= */

/* Step List (Login/Reg) */
.step-list {
    list-style: none;
    padding: 0;
    counter-reset: steps;
}

.step-list li {
    position: relative;
    padding-left: 40px;
    margin-bottom: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.step-list li::before {
    counter-increment: steps;
    content: counter(steps);
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background: rgba(255, 184, 0, 0.15);
    color: var(--color-accent-primary);
    border-radius: 50%;
    text-align: center;
    line-height: 28px;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Payment Table */
.payment-table th {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.payment-table td {
    color: white;
}

/* Bonus Table */
.bonus-table td {
    font-size: 1rem;
}

/* FAQ Accordion */
.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 184, 0, 0.3);
}

.faq-question {
    font-size: 1.1rem;
    color: var(--color-accent-primary);
    margin-bottom: 8px;
    cursor: pointer;
}

.faq-answer p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Mobile Sticky Footer */
.mobile-sticky-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(20, 20, 30, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 20px;
    z-index: 1000;
    display: none;
    /* Hidden by default, shown on mobile via media query */
    gap: 12px;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
    .mobile-sticky-footer {
        display: flex;
    }

    .footer {
        padding-bottom: 80px;
        /* Space for sticky footer */
    }
}