:root {
    --primary-purple: #7C3AED;
    --gold: #FFD700;
    --gold-bg: #FFF9E6;
    --text-black: #000000;
    --text-gray: #666666;
    --bg-white: #FFFFFF;
}

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

body {
    background-color: #f5f5f5;
    /* Light gray background to highlight the 375px container */
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

.mobile-container {
    width: 375px;
    background-color: var(--bg-white);
    min-height: 100vh;
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
}

/* 1. Logo */
.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 25px;
    color: var(--text-black);
}

/* 2. Headline */
.headline {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 26px;
    line-height: 1.1;
    color: var(--text-black);
    margin-bottom: 12px;
    text-transform: uppercase;
}

/* 3. Subheadline */
.subheadline {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.4;
}

/* 4. Imagen Mockup (Bundle Stack) */
.bundle-container {
    width: 100%;
    margin: 15px 0 45px 0;
    perspective: 1000px;
    height: 220px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.bundle-stack {
    position: relative;
    width: 140px;
    height: 200px;
}

.book-cover {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    border-left: 2px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Fan Effect */
.item-1 {
    transform: rotate(-15deg) translateX(-40px);
    z-index: 1;
}

.item-2 {
    transform: rotate(-5deg) translateX(-15px);
    z-index: 2;
}

.item-3 {
    transform: rotate(5deg) translateX(15px);
    z-index: 3;
}

.item-4 {
    transform: rotate(15deg) translateX(40px);
    z-index: 4;
}

.bundle-stack:hover .book-cover {
    transform: rotate(0deg) translateX(0px) scale(1.05);
    z-index: 10;
}

/* 5. Caja Amarilla */
.gold-box {
    background-color: var(--gold-bg);
    border: 1.5px solid var(--gold);
    color: #856404;
    font-weight: 700;
    font-size: 12px;
    padding: 10px 15px;
    border-radius: 8px;
    width: 100%;
    margin-bottom: 15px;
    text-transform: uppercase;
}

/* 6. Botón */
.buy-button {
    display: block;
    width: 100%;
    background-color: var(--primary-purple);
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    padding: 18px;
    border-radius: 12px;
    margin-bottom: 25px;
    transition: transform 0.2s, background-color 0.2s;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.buy-button:hover {
    background-color: #6D28D9;
    transform: translateY(-2px);
}

/* 7. Bullets */
.benefit-list {
    list-style: none;
    width: 100%;
    text-align: left;
    margin-bottom: 20px;
}

.benefit-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.3;
    color: #444;
}

.benefit-list li .check {
    color: #059669;
    font-weight: bold;
    margin-right: 10px;
    font-size: 18px;
}

/* 8. Footer */
footer {
    margin-top: auto;
    font-size: 12px;
    color: #999;
    border-top: 1px solid #eee;
    padding-top: 20px;
    width: 100%;
}