:root {
    --primary-bg: #030014;
    --accent-orange: #ff5f1f;
    --accent-red: #e63946;
    --accent-cyan: #00f2ff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-dim: #b0b0b0;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--primary-bg);
    color: var(--text-main);
    font-family: var(--font-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
    padding: 2rem 0;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('background.png') no-repeat center center/cover;
    opacity: 0.6;
    z-index: -1;
}

.container {
    width: 90%;
    max-width: 1100px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 1.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.book-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.book-cover {
    width: 100%;
    max-width: 380px;
    border-radius: 10px;
    box-shadow: 20px 20px 60px rgba(0, 0, 0, 0.8);
    transform: rotateY(-10px) rotateX(5deg);
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: rotateY(-10px) rotateX(5deg) translateY(0);
    }

    50% {
        transform: rotateY(-5deg) rotateX(2deg) translateY(-15px);
    }
}

.book-cover:hover {
    transform: rotateY(0) rotateX(0) scale(1.05);
}

.content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: linear-gradient(45deg, var(--accent-orange), var(--accent-red));
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    width: fit-content;
    box-shadow: 0 0 15px rgba(255, 95, 31, 0.4);
}

h1 {
    font-size: 4rem;
    line-height: 1;
    background: linear-gradient(to bottom, #fff, #888);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--accent-cyan);
    font-weight: 500;
}

p.description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dim);
}

.links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.buy-btn {
    text-decoration: none;
    color: white;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(0, 242, 255, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-weight: 700;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.buy-btn:hover {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-orange));
    border-color: transparent;
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 242, 255, 0.4);
    color: #030014;
}

.buy-btn svg {
    transition: transform 0.3s ease;
}

.buy-btn:hover svg {
    transform: translateX(3px) translateY(-3px);
    stroke: #030014;
}

.buy-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: 0.5s;
}

.buy-btn:hover::after {
    left: 100%;
}

@media (max-width: 900px) {
    .container {
        grid-template-columns: 1fr;
        padding: 2rem;
        gap: 2rem;
        margin: 2rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    .book-cover {
        max-width: 250px;
    }
}

.footer {
    margin: 5rem 0 3rem;
    width: 90%;
    max-width: 900px;
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 30px;
    text-align: center;
    animation: fadeIn 1.5s ease-out;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.creator {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 0.75rem;
    background: linear-gradient(45deg, var(--accent-cyan), #fff, var(--accent-orange));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.services {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    font-weight: 500;
}

.cta {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-style: italic;
    opacity: 0.9;
}

.contact {
    font-size: 1.1rem;
    font-weight: 600;
}

.contact a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: rgba(0, 242, 255, 0.05);
}

.contact a:hover {
    background: rgba(0, 242, 255, 0.15);
    color: #fff;
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.3);
}

@media (max-width: 900px) {
    .footer {
        width: 95%;
        margin: 3rem auto 2rem;
        padding: 2rem 1rem;
    }

    .creator {
        font-size: 1.25rem;
    }

    .contact {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        font-size: 0.95rem;
    }
}