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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    min-height: 100vh;
    color: white;
    padding: 20px;
}

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

/* Header */
header {
    text-align: center;
    padding: 40px 20px;
    margin-bottom: 40px;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 1.5rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Main Content */
main {
    padding: 0 20px;
}

section {
    margin-bottom: 60px;
}

.welcome-section {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.welcome-section h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.welcome-section p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Donation Section */
.donation-section {
    text-align: center;
    padding: 50px 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.donation-section h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.donation-section > p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.donation-btn {
    font-size: 1.2rem;
    padding: 15px 40px;
    margin: 20px 0;
    display: inline-block;
}

.donation-note {
    font-size: 1rem;
    opacity: 0.8;
    font-style: italic;
}

/* Report Bug Section */
.report-bug-section {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.report-bug-section h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.report-bug-section p {
    font-size: 1.2rem;
    margin-bottom: 25px;
    opacity: 0.9;
}

/* Products Section */
.products-section {
    text-align: center;
    padding: 50px 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.products-section h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.products-section > p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.product-card {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    padding: 40px 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.product-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.product-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    border-radius: 10px;
}

.product-card p {
    opacity: 0.8;
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: white;
    color: #667eea;
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.05);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* FAQ Section */
.faq-section {
    max-width: 800px;
    margin: 60px auto;
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.faq-question {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.1);
}

.arrow {
    transition: transform 0.3s ease;
}

.faq-question.active .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.open {
    max-height: 200px;
    padding: 0 25px 20px 25px;
}

.faq-answer p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 20px;
    margin-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

footer p {
    opacity: 0.7;
    font-size: 0.9rem;
}

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

    .tagline {
        font-size: 1.2rem;
    }

    .welcome-section h2,
    .faq-section h2,
    .donation-section h2,
    .report-bug-section h2,
    .products-section h2 {
        font-size: 2rem;
    }
}