/* ===== CSS Variables ===== */
:root {
    /* Light theme - Inspired by "We Are Dreams in the Eternal Machine" cover */
    --bg-primary: #f0f9ff;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e0f2fe;
    --text-primary: #0c4a6e;
    --text-secondary: #075985;
    --text-muted: #38bdf8;
    --accent: #0284c7;
    --accent-light: #38bdf8;
    --accent-dark: #075985;
    --accent-pink: #e8a0a0;
    --accent-yellow: #d4d08c;
    --teal-dark: #0369a1;
    --teal-light: #7dd3fc;
    --border: #bae6fd;
    --shadow: rgba(2, 132, 199, 0.1);
    --shadow-strong: rgba(2, 132, 199, 0.2);

    /* Gradient colors */
    --gradient-start: #0284c7;
    --gradient-end: #38bdf8;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-formal: 'Cormorant Garamond', Georgia, serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #082f49;
    --bg-secondary: #0c4a6e;
    --bg-tertiary: #075985;
    --text-primary: #f0f9ff;
    --text-secondary: #e0f2fe;
    --text-muted: #38bdf8;
    --accent: #38bdf8;
    --accent-light: #7dd3fc;
    --accent-dark: #0284c7;
    --accent-pink: #f0abab;
    --accent-yellow: #e8e4a0;
    --teal-dark: #0ea5e9;
    --teal-light: #bae6fd;
    --border: #0369a1;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-strong: rgba(0, 0, 0, 0.5);
    --gradient-start: #0369a1;
    --gradient-end: #38bdf8;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
    text-decoration: none;
    color: inherit;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===== Progress Bar ===== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-yellow));
    z-index: 1001;
    width: 0%;
    transition: width 0.1s linear;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
    background: transparent;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--bg-secondary);
    box-shadow: 0 2px 20px var(--shadow);
    padding: var(--space-xs) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
}

.nav-logo {
    font-family: var(--font-formal);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0284c7, var(--accent-pink));
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: #ffffff;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--border);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: block;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: var(--space-2xl) 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 30%, rgba(1, 65, 102, 0.8) 100%),
        linear-gradient(180deg, #0284c7 0%, #0ea5e9 40%, #38bdf8 100%);
    z-index: -1;
}

[data-theme="dark"] .hero-bg {
    background:
        radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.5) 100%),
        linear-gradient(180deg, #082f49 0%, #0369a1 50%, #0c4a6e 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-text {
    max-width: 700px;
}

.hero-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-pink);
    margin-bottom: var(--space-sm);
}

.hero-title {
    font-family: var(--font-formal);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    text-transform: uppercase;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 550px;
    margin-bottom: var(--space-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.hero-awards {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 700px;
}

.awards-marquee {
    overflow: hidden;
    width: 100%;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.awards-track {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    animation: scrollAwards 30s linear infinite;
    width: max-content;
}

.award-item {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    white-space: nowrap;
    font-weight: 500;
}

@keyframes scrollAwards {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.hero-social {
    position: absolute;
    bottom: calc(var(--space-lg) + 80px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-md);
    z-index: 1;
}

.hero-social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: rgba(255, 255, 255, 0.9);
}

.hero-social-link:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.hero-social-link svg {
    width: 20px;
    height: 20px;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: bounce 2s infinite;
    z-index: 1;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255, 255, 255, 0.7);
    border-bottom: 2px solid rgba(255, 255, 255, 0.7);
    transform: rotate(45deg);
}

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

/* ===== Animations ===== */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--accent-pink);
    color: #134e4a;
    font-weight: 600;
}

.btn-primary:hover {
    background: #f0b8b8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(232, 160, 160, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    background: linear-gradient(135deg, #0284c7, #0ea5e9);
    color: white;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* ===== Section Styles ===== */
section {
    padding: var(--space-2xl) 0;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: var(--space-md);
}

.section-title.center {
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

/* ===== About Section ===== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: 8px;
    overflow: hidden;
}

.image-frame::before {
    content: '';
    position: absolute;
    inset: -10px;
    border: 2px solid var(--accent-pink);
    border-radius: 12px;
    transform: rotate(-3deg);
    z-index: -1;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #0284c7 0%, #0ea5e9 50%, #38bdf8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.initials {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-pink);
    opacity: 0.9;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.about-text strong {
    color: var(--text-primary);
}

.publications-marquee {
    margin-top: var(--space-lg);
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
    display: flex;
    gap: var(--space-md);
    animation: marquee 30s linear infinite;
    width: max-content;
}

.marquee-content span {
    font-size: 0.875rem;
    color: var(--text-muted);
    white-space: nowrap;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ===== Featured Section ===== */
.featured {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
}

.featured-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.featured-book-cover {
    position: relative;
}

/* Quote Bubbles - Speech Bubble Style */
.quote-bubble {
    position: absolute;
    cursor: pointer;
}

.quote-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-light);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
    transition: all var(--transition-normal);
}

.quote-bubble:hover .quote-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.5);
}

.quote-popup {
    position: absolute;
    width: 250px;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.98);
    border: 2px solid var(--accent-light);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    pointer-events: none;
    z-index: 10;
}


[data-theme="dark"] .quote-popup {
    background: rgba(12, 74, 110, 0.98);
    border-color: var(--accent-light);
}

.quote-bubble:hover .quote-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.quote-popup p {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-secondary);
    margin: 0 0 0.5rem 0;
    font-style: italic;
}

.quote-popup span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Position each bubble around the book */
.bubble-1 {
    top: 5%;
    right: -8%;
}

.bubble-1 .quote-popup {
    top: 100%;
    right: 0;
    margin-top: 15px;
}

.bubble-2 {
    top: 35%;
    right: -8%;
}

.bubble-2 .quote-popup {
    left: -250px;
    top: 50%;
    transform: translateY(-50%);
    margin-right: 15px;
}

.bubble-2:hover .quote-popup {
    transform: translateY(-50%);
}

.bubble-3 {
    bottom: 5%;
    right: -8%;
}

.bubble-3 .quote-popup {
    bottom: 100%;
    right: 0;
    margin-bottom: 15px;
}

.bubble-4 {
    bottom: 5%;
    left: -5%;
}

.bubble-4 .quote-popup {
    bottom: 100%;
    left: 0;
    margin-bottom: 15px;
}

.bubble-5 {
    bottom: 35%;
    left: -5%;
}

.bubble-5 .quote-popup {
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 15px;
}

.bubble-5:hover .quote-popup {
    transform: translateY(-50%);
}

.bubble-6 {
    top: 5%;
    left: -5%;
}

.bubble-6 .quote-popup {
    top: 100%;
    left: 0;
    margin-top: 15px;
}

.book-3d {
    position: relative;
    transform-style: preserve-3d;
    transform: perspective(1000px) rotateY(-15deg);
    transition: transform var(--transition-slow);
}

.book-3d:hover {
    transform: perspective(1000px) rotateY(-5deg);
}

.book-front {
    aspect-ratio: 2/3;
    border-radius: 4px 12px 12px 4px;
    box-shadow:
        10px 10px 30px var(--shadow-strong),
        inset -2px 0 10px rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #f0f9ff;
}

.book-cover-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px 12px 12px 4px;
}

.book-cover-placeholder {
    text-align: center;
}

.book-title-small {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--accent-pink);
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.book-spine {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(90deg, #075985, #0284c7);
    transform: rotateY(90deg) translateZ(15px) translateX(-15px);
    border-radius: 2px 0 0 2px;
}

.featured-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--accent-pink);
    color: #134e4a;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    border-radius: 4px;
    transform: rotate(5deg);
    box-shadow: 0 4px 12px rgba(232, 160, 160, 0.4);
}

.featured-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.featured-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    margin-bottom: var(--space-sm);
}

.featured-tagline {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.featured-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.featured-themes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin: var(--space-md) 0;
}

.theme-tag {
    padding: 0.375rem 0.875rem;
    background: rgba(2, 132, 199, 0.1);
    border: 1px solid var(--accent);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--accent);
}

/* ===== Books Section ===== */
.books {
    background: var(--bg-primary);
    padding-top: var(--space-lg);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 25px;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, #0284c7, #0ea5e9);
    color: white;
    border-color: #0284c7;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.book-card {
    perspective: 1000px;
    height: 450px;
}

.book-card.hidden {
    display: none;
}

.book-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.book-card:hover .book-card-inner {
    transform: rotateY(180deg);
}

.book-card-front,
.book-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 8px;
    overflow: hidden;
}

.book-card-front {
    background: var(--bg-secondary);
    box-shadow: 0 4px 20px var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.book-card-front .book-cover {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.book-cover-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--accent-pink);
    text-align: center;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.book-award {
    position: absolute;
    bottom: var(--space-sm);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(12, 74, 110, 0.9);
    color: var(--accent-yellow);
    padding: 0.375rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    white-space: nowrap;
    border-radius: 20px;
}

.book-card-back {
    background: var(--bg-secondary);
    transform: rotateY(180deg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 4px 20px var(--shadow);
}

.book-card-back h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.book-card-back p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    flex-grow: 1;
}

.book-category {
    display: inline-block;
    font-size: 0.75rem;
    color: #0284c7;
    margin-bottom: var(--space-sm);
}

.book-accolade {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.2rem;
    margin-bottom: 0.2rem;
    line-height: 1.4;
    opacity: 0.85;
}

.book-accolade:first-of-type {
    margin-top: var(--space-md);
}

/* ===== Articles Section ===== */
.articles {
    background: var(--bg-secondary);
    padding-top: var(--space-lg);
}

.article-row-wrapper {
    position: relative;
    margin-bottom: var(--space-md);
}

.article-row-wrapper:first-of-type {
    margin-top: var(--space-md);
}

.article-row {
    display: flex;
    gap: var(--space-md);
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: var(--space-sm) 0;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    align-items: stretch;
    max-width: calc(3 * 350px + 2 * var(--space-md));
    margin: 0 auto;
    scroll-snap-type: x mandatory;
}

.article-row::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.article-scroll-btn {
    position: absolute;
    top: 55%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    background: var(--bg-secondary);
    border: 2px solid var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px var(--shadow);
}

.article-scroll-btn:hover {
    background: var(--accent);
    transform: translateY(-50%) scale(1.1);
}

.article-scroll-btn svg {
    width: 24px;
    height: 24px;
    color: var(--accent);
    transition: color var(--transition-fast);
}

.article-scroll-btn:hover svg {
    color: white;
}

.article-scroll-left {
    left: -20px;
}

.article-scroll-right {
    right: -20px;
}

.article-card {
    min-width: 350px;
    max-width: 350px;
    height: 210px;
    display: flex;
    flex-direction: column;
    padding: 0.85rem var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all var(--transition-fast);
    overflow: hidden;
    scroll-snap-align: start;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--shadow);
    border-color: #0284c7;
}

.article-source {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 0.35rem;
}

.article-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.article-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    line-height: 1.5;
    flex-grow: 1;
}

.article-read-more {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    margin-top: auto;
    padding-top: 0.4rem;
}

/* ===== Praise Section ===== */
.praise {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
}

.testimonials-carousel {
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial {
    min-width: 100%;
    padding: 0 var(--space-md);
    text-align: center;
}

.testimonial blockquote {
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    position: relative;
}

.testimonial blockquote::before {
    content: '"';
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 6rem;
    color: #0284c7;
    opacity: 0.3;
    font-family: var(--font-serif);
    line-height: 1;
}

.testimonial cite {
    display: block;
}

.testimonial cite strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial cite span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.carousel-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.carousel-btn:hover {
    background: linear-gradient(135deg, #0284c7, #0ea5e9);
    border-color: #0284c7;
    color: white;
}

.carousel-btn svg {
    width: 20px;
    height: 20px;
}

.carousel-dots {
    display: flex;
    gap: var(--space-xs);
}

.carousel-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dots .dot.active {
    background: #0284c7;
    transform: scale(1.2);
}

/* ===== Contact Section ===== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.contact-form {
    text-align: left;
}

.form-group {
    position: relative;
    margin-bottom: var(--space-md);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #0284c7;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all var(--transition-fast);
    background: var(--bg-primary);
    padding: 0 0.25rem;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    font-size: 0.75rem;
    color: #0284c7;
}

.contact-form button {
    width: 100%;
    justify-content: center;
}

.form-success {
    text-align: center;
    padding: var(--space-2xl);
    background: linear-gradient(135deg, rgba(45, 125, 70, 0.1), rgba(2, 132, 199, 0.1));
    border: 2px solid var(--accent);
    border-radius: 12px;
    margin: var(--space-lg) 0;
}

.form-success h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.form-success p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-tertiary);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.footer-logo {
    font-family: var(--font-formal);
    font-size: 1.25rem;
    font-weight: 500;
    text-transform: uppercase;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: #0284c7;
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: linear-gradient(135deg, #0284c7, #0ea5e9);
    color: white;
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.footer-bottom {
    padding-top: var(--space-lg);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {

    .featured-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .featured-book-cover {
        max-width: 280px;
        margin: 0 auto;
    }

    .featured-themes {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-lg);
        transition: right var(--transition-normal);
        box-shadow: -5px 0 20px var(--shadow);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: var(--space-xl) 0;
    }

    .hero-content {
        padding: 0 1.5rem;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }

    .hero-text {
        width: 100%;
        max-width: 100%;
    }

    .hero-subtitle {
        font-size: 0.75rem;
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 4rem);
        word-wrap: break-word;
    }

    .hero-description {
        font-size: 1.1rem;
        max-width: 100%;
    }

    .hero-buttons {
        width: 100%;
        gap: var(--space-sm);
    }

    .hero-awards {
        margin-top: var(--space-md);
        padding-top: var(--space-md);
        width: 100%;
        max-width: 100%;
    }

    .award-item {
        font-size: 0.75rem;
    }

    .article-scroll-btn {
        display: none;
    }

    .article-row {
        max-width: 100%;
        padding: var(--space-sm) var(--space-md);
    }

    .article-card {
        min-width: calc(50vw - 2rem);
        max-width: calc(50vw - 2rem);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .quote-bubble {
        display: none;
    }

    .hero-social {
        bottom: calc(var(--space-md) + 70px);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--space-lg) 0;
    }

    .hero-content {
        padding: 0 1rem;
        max-width: 100%;
        width: 100%;
    }

    .hero-text {
        width: 100%;
        max-width: 100%;
    }

    .hero-subtitle {
        font-size: 0.65rem;
        letter-spacing: 0.15em;
    }

    .hero-title {
        font-size: clamp(1.75rem, 12vw, 2.5rem);
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .hero-description {
        font-size: 0.95rem;
        max-width: 100%;
        line-height: 1.5;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }

    .hero-awards {
        padding: 0;
        width: 100%;
        max-width: 100%;
        margin-top: var(--space-md);
    }

    .award-item {
        font-size: 0.65rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
        font-size: 0.9rem;
        padding: 0.75rem 1.5rem;
    }

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

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

    .article-row {
        max-width: 100%;
        padding: var(--space-sm) var(--space-md);
    }

    .article-card {
        min-width: calc(100vw - 4rem);
        max-width: calc(100vw - 4rem);
    }

    .hero-social {
        bottom: calc(var(--space-sm) + 60px);
        gap: var(--space-sm);
    }

    .hero-social-link {
        width: 40px;
        height: 40px;
    }

    .hero-social-link svg {
        width: 18px;
        height: 18px;
    }
}