/* ==========================================================================
   Ana Devise – Author Website
   Clean, minimal design with literary feel
   ========================================================================== */

:root {
    /* Colors extracted from book covers */
    --color-primary: #3a6e8f;      /* Deep ocean blue from WRECKED */
    --color-secondary: #5a8fa8;    /* Lighter blue */
    --color-accent: #c94c4c;       /* Red from heart balloon */
    --color-dark: #1a2a3a;         /* Dark navy */
    --color-light: #f8f9fa;        /* Off-white */
    --color-text: #2d3748;         /* Dark gray for text */
    --color-text-light: #718096;   /* Lighter text */
    --color-border: #e2e8f0;
    
    /* Typography */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    
    /* Container */
    --container-max: 1100px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-light);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-secondary);
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ==========================================================================
   Language Toggle
   ========================================================================== */
.lang-toggle {
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255, 255, 255, 0.95);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.lang-btn {
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: color 0.2s ease;
}

.lang-btn:hover {
    color: var(--color-primary);
}

.lang-btn.active {
    color: var(--color-primary);
}

.lang-divider {
    color: var(--color-border);
    font-weight: 300;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 100%);
    color: white;
    padding: var(--space-xl) var(--space-md);
}

.hero-content h1 {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-xs);
}

.hero-content .tagline {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.85;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    padding: var(--space-xl) 0;
    background: white;
}

.about-text {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    line-height: 1.8;
    color: var(--color-text);
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
}

/* ==========================================================================
   Books Section
   ========================================================================== */
.books {
    padding: var(--space-xl) 0;
    background: var(--color-light);
}

.books h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: var(--space-lg);
    color: var(--color-dark);
}

.books-grid {
    display: grid;
    gap: var(--space-lg);
}

.book-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-md);
    background: white;
    padding: var(--space-md);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.book-cover {
    position: relative;
}

.book-cover img {
    border-radius: 4px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.book-card:hover .book-cover img {
    transform: translateY(-4px);
}

.book-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.book-info h3 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-xs);
}

.book-meta {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.02em;
}

.book-description {
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.book-link {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 0.6rem 1.25rem;
    border-radius: 4px;
    transition: all 0.2s ease;
    align-self: flex-start;
}

.book-link:hover {
    background: var(--color-primary);
    color: white;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
    padding: var(--space-xl) 0;
    background: white;
}

.contact h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: var(--space-xs);
    color: var(--color-dark);
}

.contact-intro {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-sm);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-light);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(58, 110, 143, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    width: 100%;
    padding: 0.85rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    color: white;
    background: var(--color-primary);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.submit-btn:hover {
    background: var(--color-dark);
}

.form-status {
    text-align: center;
    margin-top: var(--space-sm);
    padding: var(--space-sm);
    border-radius: 4px;
    display: none;
}

.form-status.success {
    display: block;
    background: #d4edda;
    color: #155724;
}

.form-status.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    padding: var(--space-md) 0;
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    font-size: 0.875rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
    .book-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .book-cover {
        max-width: 180px;
        margin: 0 auto;
    }
    
    .book-link {
        align-self: center;
    }
    
    .hero {
        min-height: 50vh;
    }
    
    .about-text {
        font-size: 1.15rem;
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 1.5rem;
        --space-lg: 3rem;
        --space-xl: 4rem;
    }
    
    .lang-toggle {
        top: var(--space-sm);
        right: var(--space-sm);
    }
}