/* Custom CSS Variables for Theme Management */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --accent-color: #f59e0b; /* Exness-inspired Amber/Gold accent */
    --accent-hover: #d97706;
    --primary-button: #2563eb;
    --primary-hover: #1d4ed8;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --header-bg: rgba(255, 255, 255, 0.9);
    --code-bg: #f1f5f9;
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --accent-color: #fbbf24;
    --accent-hover: #f59e0b;
    --primary-button: #3b82f6;
    --primary-hover: #2563eb;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --header-bg: rgba(15, 23, 42, 0.9);
    --code-bg: #0f172a;
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Ensures JS toggling `element.hidden = true` always works */
[hidden] {
    display: none !important;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 12px;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

a {
    color: var(--primary-button);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover { color: var(--primary-hover); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #000000;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: #000000;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
}

.btn-large {
    padding: 14px 28px;
    font-size: 1.05rem;
}

/* Header & Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--header-bg);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-primary);
}

.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.desktop-nav a {
    color: var(--text-secondary);
    font-weight: 500;
}

.desktop-nav a:hover { color: var(--text-primary); }

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

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--text-primary);
    position: relative;
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    left: 0;
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

/* Hero Section */
.hero-section {
    padding: 60px 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--accent-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.hero-title {
    max-width: 900px;
    margin: 0 auto 16px;
}

.hero-subtitle {
    max-width: 750px;
    margin: 0 auto 28px;
    font-size: 1.15rem;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 20px;
}

.affiliate-notice {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.trust-row {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 36px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.check-icon { color: #22c55e; }

/* Disclosure Bar */
.disclosure-bar {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
    font-size: 0.825rem;
    text-align: center;
}

/* Sections */
.section { padding: 60px 0; }
.bg-alt { background-color: var(--bg-secondary); }

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

/* Cards & Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
}

/* Tables */
.table-responsive { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th, .data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}

.data-table th { width: 30%; color: var(--text-primary); background-color: var(--bg-secondary); }

/* Accordion */
.faq-accordion { max-width: 800px; margin: 0 auto; }
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 16px 20px;
    text-align: left;
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: none;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: var(--bg-card);
}

.faq-item.active .faq-answer {
    padding: 16px 20px;
    max-height: 300px;
}

/* Footer */
.site-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-bottom { text-align: center; border-top: 1px solid var(--border-color); padding-top: 20px; }

/* Rating Bars */
.rating-item { margin-bottom: 12px; }
.rating-label { display: flex; justify-content: space-between; font-weight: 600; margin-bottom: 4px; }
.rating-bar-bg { background-color: var(--border-color); height: 8px; border-radius: 4px; overflow: hidden; }
.rating-bar-fill { background-color: var(--accent-color); height: 100%; width: 0%; transition: width 1s ease; }

/* Utilities */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.center-block { margin-left: auto; margin-right: auto; }
.max-600 { max-width: 600px; }
.text-success { color: #22c55e; }
.text-danger { color: #ef4444; }

/* Mobile Optimization */
@media (max-width: 768px) {
    .desktop-nav { display: none; }
    .mobile-menu-toggle { display: block; }
    .hero-title { font-size: 1.65rem; }
    .hero-actions { flex-direction: column; }
    .mobile-nav {
        display: block;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--bg-card);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
    }
    .mobile-nav ul { list-style: none; }
    .mobile-nav li { margin-bottom: 16px; }
}

/* Header Ad Section Container */
.header-ad-wrapper {
    width: 100%;
    background-color: var(--bg-secondary, #f8fafc);
    border-bottom: 1px solid var(--border-color, #e2e8f0);
    padding: 12px 16px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-ad-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 100%;
}

.ad-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted, #94a3b8);
    margin-bottom: 4px;
}

/* Banner Image Responsiveness */
.header-ad-banner {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    transition: opacity 0.2s ease;
}

.header-ad-container a:hover .header-ad-banner {
    opacity: 0.92;
}

@media (max-width: 480px) {
    .header-ad-wrapper {
        padding: 8px;
    }
}

/* Popup Modal Backdrop */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-backdrop.show {
    opacity: 1;
}

/* Modal Window Card */
.modal-card {
    position: relative;
    background-color: var(--bg-card, #1e293b);
    border: 1px solid var(--border-color, #334155);
    border-radius: 12px;
    max-width: 680px;
    width: 100%;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-backdrop.show .modal-card {
    transform: scale(1);
}

/* Close Button */
.modal-close-btn {
    position: absolute;
    top: 8px;
    right: 12px;
    background: rgba(0, 0, 0, 0.6);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.modal-close-btn:hover {
    background: rgba(0, 0, 0, 0.9);
}

/* Content Container */
.modal-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
}

.modal-ad-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted, #94a3b8);
    margin-bottom: 6px;
}

/* Modal Banner Image */
.modal-ad-banner {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
    transition: opacity 0.2s ease;
}

.modal-content a:hover .modal-ad-banner {
    opacity: 0.95;
}