/* ============================================
   Adventure Press - Main Stylesheet
   ============================================ */

/* -- CSS Variables -- */
:root {
    --color-teal: #4a9a8a;
    --color-teal-light: #4a9a8a;
    --color-teal-dark: #2d6e60;
    --color-gold: #d4a843;
    --color-gold-light: #e0bc5e;
    --color-dark: #1a2332;
    --color-dark-blue: #1e3a5f;
    --color-cream: #f5f0e8;
    --color-text-dark: #1a1a1a;
    --color-text-light: #e8e4dc;
    --color-text-muted: #8a8a7a;

    /* Adventurous book section colors */
    --color-book-teal: #4a9a8a;
    --color-book-gold: #c49a3c;
    --color-book-forest: #4d8a62;
    --color-book-canyon: #c07850;
    --color-book-slate: #5d7e94;

    --font-heading: 'Roboto Slab', 'Rockwell', 'Courier New', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    --max-width: 960px;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-gold);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-gold-light);
}

ul {
    list-style: disc;
    padding-left: 1.5rem;
}

/* -- Header -- */
.site-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--spacing-md) var(--spacing-lg);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-cream);
    text-decoration: none;
    letter-spacing: 0.02em;
    opacity: 0.9;
    transition: opacity 0.2s ease;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6);
}

.logo:hover {
    opacity: 1;
    color: var(--color-cream);
}

/* -- Hero Section -- */
.hero {
    position: relative;
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        url('../images/hero-bg.webp') center 35% / cover no-repeat;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.35) 0%,
        rgba(0, 0, 0, 0.2) 40%,
        rgba(0, 0, 0, 0.3) 70%,
        rgba(0, 0, 0, 0.55) 100%
    );
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: left;
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: 750px;
    width: 100%;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 7vw, 5rem);
    font-weight: 900;
    color: var(--color-gold);
    line-height: 1.05;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 400;
    color: #ffffff;
    line-height: 1.4;
    margin-bottom: var(--spacing-xl);
    max-width: 550px;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.7), 0 0 20px rgba(0, 0, 0, 0.3);
}

.hero-cta {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-gold);
    text-decoration: none;
    padding: var(--spacing-sm) 0;
    transition: transform 0.2s ease;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6);
}

.hero-cta:hover {
    color: var(--color-gold-light);
    transform: translateY(2px);
}

.hero-cta .arrow {
    display: inline-block;
    margin-left: 0.4em;
    font-size: 2.5em;
    vertical-align: -0.15em;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(10px); }
    60% { transform: translateY(5px); }
}

/* -- Books Section -- */
.books-section {
    background-color: var(--color-dark);
    padding: 0;
}

/* -- Book Article -- */
.book {
    display: flex;
    gap: var(--spacing-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    align-items: flex-start;
}

.book:nth-child(even) {
    flex-direction: row-reverse;
}

/* -- Adventurous Book Colors -- */
.book:nth-child(5n+1) { background-color: var(--color-book-teal); }
.book:nth-child(5n+2) { background-color: var(--color-book-gold); }
.book:nth-child(5n+3) { background-color: var(--color-book-forest); }
.book:nth-child(5n+4) { background-color: var(--color-book-canyon); }
.book:nth-child(5n+5) { background-color: var(--color-book-slate); }

/* Full-bleed colored bands */
.books-section > .book {
    max-width: none;
}

.books-section > .book > .book-cover,
.books-section > .book > .book-info {
    /* Constrain content within the full-bleed band */
}

/* Use an inner wrapper approach via padding */
.book {
    padding-left: max(var(--spacing-lg), calc((100% - var(--max-width)) / 2 + var(--spacing-lg)));
    padding-right: max(var(--spacing-lg), calc((100% - var(--max-width)) / 2 + var(--spacing-lg)));
}

.book-cover {
    flex: 0 0 200px;
    max-width: 200px;
}

.book-cover img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 4px 4px 16px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-cover img:hover {
    transform: scale(1.03);
    box-shadow: 6px 6px 24px rgba(0, 0, 0, 0.35);
}

.book-info {
    flex: 1;
    min-width: 0;
}

.book-info h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.3rem, 3vw, 1.7rem);
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1.25;
    margin-bottom: var(--spacing-sm);
}

.book-author {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    opacity: 0.85;
}

.book-specs {
    font-size: 0.9rem;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    opacity: 0.8;
}

.book-specs li {
    margin-bottom: 2px;
}

.book-specs a {
    color: var(--color-dark);
    font-weight: 600;
}

.book-specs a:hover {
    color: var(--color-dark-blue);
}

.book-description {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-dark);
    line-height: 1.7;
    font-size: 0.95rem;
}

.book-description p {
    margin-bottom: var(--spacing-md);
}

.book-description p:last-child {
    margin-bottom: 0;
}

.book-description a {
    color: var(--color-dark);
    font-weight: 600;
}

.book-description a:hover {
    color: var(--color-dark-blue);
}

.book-availability {
    font-size: 0.9rem;
    color: var(--color-text-dark);
    opacity: 0.85;
}

.book-availability a {
    color: var(--color-dark);
    font-weight: 600;
}

.book-availability a:hover {
    color: var(--color-dark-blue);
}

/* -- Other Authors Section -- */
.other-authors {
    background-color: var(--color-teal-dark);
    padding: var(--spacing-xl) var(--spacing-lg);
}

.other-authors-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.other-authors h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-lg);
}

.other-authors ul {
    list-style: none;
    padding-left: 0;
}

.other-authors li {
    font-size: 1rem;
    color: var(--color-cream);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.other-authors a {
    color: var(--color-gold);
}

.other-authors a:hover {
    color: var(--color-gold-light);
}

/* -- About Section -- */
.about {
    position: relative;
    background:
        url('../images/about-bg.jpg') center 60% / cover no-repeat;
    padding: 6rem var(--spacing-lg);
    min-height: 70vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(10, 30, 50, 0.4) 0%,
        rgba(15, 40, 60, 0.3) 40%,
        rgba(10, 25, 45, 0.35) 100%
    );
    pointer-events: none;
}

.about-content {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
}

.about h2 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 900;
    color: var(--color-gold);
    margin-bottom: var(--spacing-lg);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 0, 0, 0.4);
}

.about p {
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.9;
    max-width: 700px;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.4);
}

.about a {
    color: var(--color-gold);
}

.about a:hover {
    color: var(--color-gold-light);
}

/* -- Footer -- */
.site-footer {
    background-color: var(--color-dark);
    padding: var(--spacing-lg);
    text-align: center;
}

.site-footer p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* -- Scroll Animations -- */
.book {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.book.visible {
    opacity: 1;
    transform: translateY(0);
}

/* -- Responsive Design -- */
@media (max-width: 768px) {
    .book {
        flex-direction: column !important;
        gap: var(--spacing-md);
        padding-left: var(--spacing-md) !important;
        padding-right: var(--spacing-md) !important;
    }

    .book-cover {
        flex: none;
        max-width: 160px;
    }

    .hero-content {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .other-authors {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .about {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    .book-cover {
        max-width: 140px;
    }

    .site-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* -- Print Styles -- */
@media print {
    .hero, .site-header, .site-footer {
        display: none;
    }

    .book {
        opacity: 1;
        transform: none;
        page-break-inside: avoid;
        background-color: white !important;
    }

    body {
        background: white;
        color: black;
    }
}

/* ============================================
   Sample Page Template
   ============================================ */
.sample-page {
    background-color: var(--color-dark);
}

.sample-page .site-header {
    position: relative;
    background-color: var(--color-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sample-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.sample-header {
    margin-bottom: var(--spacing-lg);
}

.sample-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 900;
    color: var(--color-gold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.sample-back a,
.sample-nav a {
    color: var(--color-gold);
    font-size: 0.95rem;
    text-decoration: none;
}

.sample-back a:hover,
.sample-nav a:hover {
    color: var(--color-gold-light);
    text-decoration: underline;
}

.sample-viewer {
    margin-bottom: var(--spacing-lg);
    border-radius: 4px;
    overflow: hidden;
}

.sample-viewer embed,
.sample-viewer iframe {
    width: 100%;
    min-height: 80vh;
    border: none;
    display: block;
}

.sample-fallback {
    margin-bottom: var(--spacing-xl);
}

.sample-fallback p {
    color: var(--color-cream);
    font-size: 0.95rem;
}

.sample-fallback a {
    color: var(--color-gold);
}

.sample-fallback a:hover {
    color: var(--color-gold-light);
}

.sample-nav {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-xl);
}

.sample-link a {
    font-weight: 600;
}

@media (max-width: 768px) {
    .sample-content {
        padding: var(--spacing-md);
    }

    .sample-viewer embed,
    .sample-viewer iframe {
        min-height: 60vh;
    }
}

@media (max-width: 480px) {
    .sample-viewer embed,
    .sample-viewer iframe {
        min-height: 50vh;
    }
}