:root {
    --primary-color: #FFD700;
    /* Gold/Yellow */
    --primary-dark: #E6C200;
    --bg-color: #0a0a0a;
    /* Almost Black */
    --card-bg: #1a1a1a;
    --text-color: #ffffff;
    --text-muted: #a0a0a0;
    --accent-color: #ffffff;
    --font-main: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    text-transform: uppercase;
}

h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

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

.highlight {
    color: var(--primary-color);
}

/* Buttons - 3D Effect */
.btn-3d {
    display: inline-block;
    background-color: var(--primary-color);
    color: #000;
    font-weight: 900;
    text-transform: uppercase;
    text-decoration: none;
    padding: 1.2rem 2.5rem;
    border-radius: 8px;
    font-size: 1.2rem;
    transition: all 0.1s;
    box-shadow: 0px 6px 0px var(--primary-dark), 0px 10px 20px rgba(0, 0, 0, 0.4);
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.secure-text {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #888;
}

/* Problem Section */
.problem {
    padding: 4rem 0;
    background-color: #0f0f0f;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    perspective: 1000px;
}

.card {
    background-color: var(--primary-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #333;
    text-align: center;
    transition: transform 0.1s ease-out;
    transform-style: preserve-3d;
    will-change: transform;
    color: #000;
}

.card:hover {
    border-color: #000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card h3 {
    color: #000;
}

.card p {
    color: #333;
}

.icon-yellow {
    color: #000;
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
}

/* Solution Section */
.solution-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.benefits-list {
    list-style: none;
    margin-top: 2rem;
    text-align: left;
    display: inline-block;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: #fff;
}

.benefits-list li i {
    color: var(--primary-color);
    flex-shrink: 0;
}

/* Offer Section */
.offer {
    padding: 5rem 0;
    background: linear-gradient(180deg, #0a0a0a 0%, #151515 100%);
    text-align: center;
}

.offer-card {
    background-color: var(--card-bg);
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    padding: 3rem 1.5rem;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.1);
}

.offer-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: #000;
    padding: 0.5rem 1.5rem;
    font-weight: 900;
    border-radius: 50px;
    font-size: 0.9rem;
}

.price-box {
    margin: 2rem 0;
}

.old-price {
    display: block;
    text-decoration: line-through;
    color: #666;
    font-size: 1.2rem;
}

.new-price {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
    margin-top: 0.5rem;
}

.guarantee {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #ccc;
}

.payment-methods {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: #666;
}

.payment-methods .icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

/* FAQ */
.faq {
    padding: 4rem 0;
    background-color: #0f0f0f;
}

.faq-item {
    background-color: var(--card-bg);
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
}

summary {
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
}

details[open] summary::after {
    content: '-';
}

details p {
    padding: 0 1.5rem 1.5rem;
    color: #ccc;
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.8rem;
    color: #666;
    border-top: 1px solid #222;
}

/* Responsive */
@media (min-width: 768px) {
    h1 {
        font-size: 3.5rem;
    }

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

    .btn-3d {
        width: auto;
        min-width: 300px;
    }
}