/* VIBE IDE Website Styles */

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

:root {
    /* Synthwave Color Palette */
    --primary-purple: #8b5cf6;
    --primary-cyan: #06b6d4;
    --primary-pink: #ec4899;
    --dark-bg: #0f0f23;
    --darker-bg: #0a0a1a;
    --light-text: #f8fafc;
    --muted-text: #cbd5e1;
    --card-bg: #1a1a2e;
    --card-border: #2d2d44;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    color: var(--light-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.header {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    padding: 0.75rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-carousel {
    width: 300px;
    height: 300px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    filter: drop-shadow(0 0 20px rgba(6, 182, 212, 0.5));
}

.logo-carousel img {
    position: absolute;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
    transform: scale(0.95);
}

.logo-carousel img.active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.logo-carousel img.pulsing {
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 20px rgba(6, 182, 212, 0.5)) drop-shadow(0 0 40px rgba(139, 92, 246, 0.3));
    }
    50% {
        transform: scale(1.02);
        filter: drop-shadow(0 0 30px rgba(6, 182, 212, 0.8)) drop-shadow(0 0 60px rgba(139, 92, 246, 0.5)) drop-shadow(0 0 80px rgba(236, 72, 153, 0.3));
    }
}

.nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    color: var(--muted-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-cyan);
    transition: width 0.3s ease;
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    color: white !important;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    text-shadow: 0 0 30px rgba(6, 182, 212, 0.3);
}

/* Acronym Rotator */
.acronym-rotator {
    min-height: 30px;
    margin: 10px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.acronym-text {
    font-size: 1.1rem;
    color: var(--primary-cyan);
    font-weight: 500;
    opacity: 0;
    position: absolute;
    transition: opacity 0.8s ease-in-out;
    text-align: center;
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

.acronym-text.active {
    opacity: 1;
    animation: acronymPulse 2s ease-in-out infinite;
}

@keyframes acronymPulse {
    0%, 100% {
        text-shadow: 0 0 10px rgba(6, 182, 212, 0.5), 0 0 20px rgba(139, 92, 246, 0.3);
        transform: scale(1);
    }
    50% {
        text-shadow: 0 0 20px rgba(6, 182, 212, 0.8), 0 0 40px rgba(139, 92, 246, 0.5), 0 0 60px rgba(236, 72, 153, 0.3);
        transform: scale(1.02);
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-cyan);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--muted-text);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-cyan);
    border: 2px solid var(--primary-cyan);
}

.btn-secondary:hover {
    background: var(--primary-cyan);
    color: var(--dark-bg);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: rgba(26, 26, 46, 0.5);
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-cyan);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-cyan);
}

.feature-description {
    color: var(--muted-text);
    line-height: 1.6;
}

/* Why Choose Section */
.why-choose {
    padding: 6rem 0;
    background: rgba(139, 92, 246, 0.05);
}

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

.why-choose-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-left: 4px solid var(--primary-purple);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.why-choose-item:hover {
    transform: translateX(5px);
    border-left-color: var(--primary-cyan);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.2);
}

.why-choose-item h3 {
    font-size: 1.8rem;
    color: var(--primary-cyan);
    margin-bottom: 1rem;
}

.why-choose-item p {
    font-size: 1.1rem;
    color: var(--muted-text);
    line-height: 1.8;
}

.why-choose-item strong {
    color: var(--primary-pink);
    font-weight: 600;
}

/* Future Features Section */
.future-features {
    padding: 6rem 0;
    background: rgba(6, 182, 212, 0.05);
}

.future-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.future-feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-top: 4px solid var(--primary-cyan);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.future-feature-card:hover {
    transform: translateY(-5px);
    border-top-color: var(--primary-pink);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.2);
}

.future-feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.future-feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-cyan);
}

.future-feature-description {
    color: var(--muted-text);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.future-feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.future-feature-list li {
    color: var(--muted-text);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.future-feature-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-purple);
    font-weight: bold;
}

/* PRO Features Section */
.pro-features {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1));
    border-top: 2px solid var(--primary-purple);
    border-bottom: 2px solid var(--primary-pink);
}

.pro-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--muted-text);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.pro-subtitle strong {
    color: var(--primary-cyan);
    font-size: 1.3rem;
}

.pro-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.pro-feature-card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-top: 4px solid var(--primary-purple);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pro-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-purple), var(--primary-pink));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pro-feature-card:hover {
    transform: translateY(-8px);
    border-top-color: var(--primary-pink);
    box-shadow: 0 12px 35px rgba(139, 92, 246, 0.3);
}

.pro-feature-card:hover::before {
    opacity: 1;
}

.pro-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    color: var(--light-text);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.pro-feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(139, 92, 246, 0.3));
}

.pro-feature-title {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--primary-cyan);
    font-weight: bold;
}

.pro-feature-description {
    color: var(--muted-text);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.pro-feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pro-feature-list li {
    color: var(--muted-text);
    padding: 0.6rem 0;
    padding-left: 1.8rem;
    position: relative;
    font-size: 0.95rem;
}

.pro-feature-list li::before {
    content: "✨";
    position: absolute;
    left: 0;
    font-size: 1rem;
}

.pro-cta {
    text-align: center;
    max-width: 800px;
    margin: 3rem auto 0;
    padding: 2rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--primary-purple);
    border-radius: 12px;
}

.pro-coming-soon {
    font-size: 1.3rem;
    color: var(--primary-cyan);
    margin-bottom: 1rem;
    font-weight: bold;
}

.pro-note {
    color: var(--muted-text);
    font-size: 1rem;
    line-height: 1.6;
    font-style: italic;
}

/* About Section */
.about {
    padding: 6rem 0;
}

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

.about-text {
    font-size: 1.2rem;
    color: var(--muted-text);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

/* Book Section */
.book-section {
    padding: 6rem 0;
    background: rgba(139, 92, 246, 0.1);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.book-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.book-description {
    font-size: 1.3rem;
    color: var(--light-text);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.book-description strong {
    color: var(--primary-cyan);
    font-size: 1.4rem;
}

.book-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.book-stat {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.book-stat:hover {
    transform: translateY(-5px);
    border-color: var(--primary-purple);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.2);
}

.book-stat strong {
    color: var(--primary-cyan);
    font-size: 1.5rem;
}

.book-stat span {
    color: var(--muted-text);
    font-size: 0.9rem;
}

.book-cta {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border: 2px solid var(--primary-purple);
    border-radius: 12px;
}

/* Audiobook Section */
.audiobook-section {
    padding: 6rem 0;
    background: rgba(6, 182, 212, 0.1);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.audiobook-content {
    max-width: 900px;
    margin: 0 auto;
}

.audiobook-description {
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 3rem;
    line-height: 1.8;
    text-align: center;
}

.audiobook-description strong {
    color: var(--primary-cyan);
}

.audiobook-player {
    background: var(--card-bg);
    border: 2px solid var(--primary-cyan);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.2);
}

.player-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.btn-control, .btn-play {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-cyan);
    border-radius: 8px;
    background: transparent;
    color: var(--primary-cyan);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-control:hover, .btn-play:hover {
    background: var(--primary-cyan);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4);
}

.btn-play {
    font-size: 1.2rem;
    padding: 1rem 2rem;
    background: var(--primary-cyan);
    color: var(--dark-bg);
}

.btn-play:hover {
    background: var(--primary-purple);
    border-color: var(--primary-purple);
    color: var(--light-text);
}

.player-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0 0.5rem;
}

.chapter-name {
    font-weight: bold;
    color: var(--primary-cyan);
    font-size: 1.1rem;
}

.progress-time {
    color: var(--muted-text);
    font-size: 0.9rem;
}

#audio-player {
    width: 100%;
    margin: 1rem 0;
    border-radius: 8px;
}

.progress-bar-container {
    margin-top: 1rem;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--card-border);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-cyan), var(--primary-purple));
    width: 0%;
    transition: width 0.1s linear;
    border-radius: 3px;
}

.chapters-list {
    margin-top: 3rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
}

.chapters-list h3 {
    color: var(--primary-cyan);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.chapters-ul {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.chapter-item {
    padding: 1rem 1.5rem;
    background: var(--darker-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--muted-text);
    font-size: 0.95rem;
}

.chapter-item:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: var(--primary-cyan);
    color: var(--light-text);
    transform: translateX(5px);
}

.chapter-item.active {
    background: rgba(6, 182, 212, 0.2);
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.download-section {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    text-align: center;
}

.download-section h3 {
    color: var(--primary-cyan);
    margin-bottom: 1rem;
}

.download-section p {
    color: var(--muted-text);
    line-height: 1.6;
}

/* Screenplay Section */
.screenplay-section {
    padding: 6rem 0;
    background: rgba(255, 215, 0, 0.1);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.screenplay-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.screenplay-description {
    font-size: 1.3rem;
    color: var(--light-text);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.screenplay-description strong {
    color: #ffd700;
    font-size: 1.4rem;
}

.screenplay-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.screenplay-stat {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.screenplay-stat:hover {
    transform: translateY(-5px);
    border-color: #ffd700;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.2);
}

.screenplay-stat strong {
    color: #ffd700;
    font-size: 1.5rem;
}

.screenplay-stat span {
    color: var(--muted-text);
    font-size: 0.9rem;
}

.screenplay-cta {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border: 2px solid #ffd700;
    border-radius: 12px;
}

/* Community Section */
.community {
    padding: 6rem 0;
    background: rgba(26, 26, 46, 0.5);
}

.community-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.community-link {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.3s ease;
}

.community-link:hover {
    transform: translateY(-5px);
    border-color: var(--primary-purple);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.2);
}

.community-icon {
    font-size: 2.5rem;
}

.community-text h3 {
    color: var(--primary-cyan);
    margin-bottom: 0.5rem;
}

.community-text p {
    color: var(--muted-text);
}

/* Book Modal */
.book-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.book-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.book-modal-content {
    position: relative;
    background: var(--dark-bg);
    border: 2px solid var(--primary-purple);
    border-radius: 20px;
    width: 95%;
    max-width: 1200px;
    max-height: 90vh;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.5);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.book-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--card-bg);
    border: 2px solid var(--primary-purple);
    color: var(--light-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    transition: all 0.3s ease;
}

.book-modal-close:hover {
    background: var(--primary-purple);
    transform: rotate(90deg);
}

.book-modal-header {
    padding: 2rem;
    border-bottom: 1px solid var(--card-border);
    text-align: center;
}

.book-modal-header h2 {
    color: var(--primary-cyan);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.book-modal-header p {
    color: var(--muted-text);
    font-size: 1.1rem;
}

.book-modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
}

.flipbook-container {
    width: 100%;
    min-height: 600px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.flipbook-container iframe {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 12px;
}

@media (max-width: 768px) {
    .flipbook-container iframe {
        height: 500px;
    }
}

.flipbook-placeholder {
    width: 100%;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flipbook-placeholder-content {
    text-align: center;
    padding: 3rem;
}

.flipbook-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.flipbook-placeholder-content h3 {
    color: var(--primary-cyan);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.flipbook-placeholder-content p {
    color: var(--muted-text);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Footer */
.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--card-border);
}

.footer-text {
    color: var(--muted-text);
    margin-bottom: 0.5rem;
}

.footer-link {
    color: var(--primary-cyan);
    text-decoration: none;
}

.footer-link:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        padding: 0.5rem 1rem;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .logo-carousel {
        width: 200px;
        height: 200px;
    }
}