:root {
    --primary-color: #1a237e;
    --secondary-color: #3949ab;
    --accent-color: #ffd700;
    --text-color: #333;
    --light-text: #fff;
    --bg-color: #f4f7f6;
    --card-bg: rgba(255, 255, 255, 0.95);
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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

/* Header & Return Button */
header {
    padding: 20px 0;
    text-align: center;
}

.return-btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--primary-color);
    color: var(--light-text);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.3);
}

.return-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.4);
    background: var(--secondary-color);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 60px 20px;
    text-align: center;
    background: linear-gradient(135deg, #1a237e 0%, #000051 100%);
    color: var(--light-text);
    border-radius: 20px;
    margin-bottom: 40px;
    overflow: hidden;
}

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

h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Countdown Styles */
.countdown-box {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.countdown-item {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    padding: 20px;
    border-radius: 15px;
    min-width: 120px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.countdown-item:hover {
    transform: scale(1.05);
}

.countdown-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
    line-height: 1;
    margin-bottom: 5px;
}

.countdown-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--secondary-color);
    font-weight: 700;
}

.timezone-info {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 20px;
}

/* AdSense Placeholders */
.ad-slot {
    width: 100%;
    max-width: 728px;
    height: 90px;
    background: #e0e0e0;
    margin: 30px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #666;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.ad-sidebar {
    width: 300px;
    height: 600px;
    background: #e0e0e0;
    display: none;
    /* Hidden on mobile */
}

/* Article Section */
.content-wrapper {
    background: white;
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.article-content h2 {
    font-size: 2rem;
    margin: 40px 0 20px;
    color: var(--primary-color);
}

.article-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: #444;
}

.article-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.article-content li {
    margin-bottom: 10px;
}

/* FAQ Section */
.faq-section {
    margin-top: 60px;
}

.faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.faq-question {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid #eee;
    margin-top: 40px;
    font-size: 0.9rem;
    color: #777;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .countdown-number {
        font-size: 2.2rem;
    }

    .countdown-item {
        min-width: 90px;
        padding: 15px;
    }

    .content-wrapper {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .countdown-box {
        gap: 10px;
    }

    .countdown-item {
        min-width: calc(50% - 5px);
    }
}