/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

:root {
    /* Colors */
    --color-primary: #D4AF37; /* Gold */
    --color-secondary: #8B0000; /* Dark Red */
    --color-dark: #1a1a1a;
    --color-darker: #0d0d0d;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --color-gray: #666666;
    --color-border: #333333;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-light);
    background-color: var(--color-darker);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-darker) 0%, var(--color-dark) 100%);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 0, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    color: var(--color-primary);
    display: block;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--color-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
    max-width: 600px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.book-cover {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 8px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(212, 175, 55, 0.2);
    transition: transform 0.3s ease;
}

.book-cover:hover {
    transform: scale(1.05) translateY(-10px);
}

/* ========================================
   BUTTONS
   ======================================== */

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
    min-width: 220px;
}

.btn-icon {
    font-size: 1.3rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #B8941F 100%);
    color: var(--color-dark);
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #E5C04A 0%, var(--color-primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(212, 175, 55, 0.5);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #A52A2A 100%);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(139, 0, 0, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #A52A2A 0%, var(--color-secondary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(139, 0, 0, 0.5);
}

/* ========================================
   CONTEXT SECTION
   ======================================== */

.context {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
}

.context-content {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.context-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.context-card {
    background: var(--color-darker);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.context-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    font-size: 1rem;
    color: var(--color-light);
    line-height: 1.7;
}

/* ========================================
   QUOTE BOX
   ======================================== */

.quote-box {
    background: linear-gradient(135deg, var(--color-darker) 0%, var(--color-dark) 100%);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    border-radius: 8px;
}

.quote {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-style: italic;
    color: var(--color-white);
    line-height: 1.6;
    text-align: center;
}

/* ========================================
   FINAL CTA
   ======================================== */

.final-cta {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-darker) 0%, var(--color-dark) 100%);
    border-radius: 16px;
    border: 2px solid var(--color-primary);
    margin-top: var(--spacing-xl);
}

.final-cta-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.final-cta-text {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta .cta-buttons {
    justify-content: center;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--color-darker);
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer-text {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-domain {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1rem;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --spacing-xl: 2.5rem;
        --spacing-lg: 2rem;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .hero-image {
        order: -1;
    }

    .book-cover {
        max-width: 350px;
    }

    .hero-text {
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        min-width: auto;
    }

    .context-grid {
        grid-template-columns: 1fr;
    }

    .final-cta {
        padding: var(--spacing-md);
    }
}

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

    .book-cover {
        max-width: 280px;
    }

    .btn {
        font-size: 1rem;
        padding: 0.9rem 1.5rem;
    }

    .card-title {
        font-size: 1.3rem;
    }

    .card-text {
        font-size: 0.95rem;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.btn:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
}