/* Genshin Impact - Venti Theme: Green Color Palette */
:root {
    /* Venti Green Colors */
    --primary-green: #4a9d7e;
    --secondary-green: #6bc49d;
    --white-fucker: #ffffff;
    --dark-green: #2d6b53;
    --light-green: #a8d8c3;
    --accent-teal: #5fb9a6;
    
    /* Neutral Colors */
    --cream: #f5f3ed;
    --light-cream: #faf8f3;
    --dark-brown: #4a3428;
    --medium-brown: #6b5446;
    --gold: #d4af37;
    
    /* Text Colors */
    --text-dark: #2c2416;
    --text-medium: #5a4e3f;
    --text-light: #8c7e6f;
    
    /* UI Colors */
    --shadow: rgba(74, 157, 126, 0.15);
    --shadow-dark: rgba(45, 107, 83, 0.3);
}

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

/* Hide scrollbar but keep functionality */
html {
    overflow-y: scroll;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

html::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Opera */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--light-cream) 0%, var(--cream) 100%);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(74, 157, 126, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(107, 196, 157, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Navigation Bar */
.navbar {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-teal) 100%);
    box-shadow: 0 4px 20px var(--shadow-dark);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--gold);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    gap: 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    background: transparent;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.3s ease;
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.nav-link.active {
    background: var(--gold);
    color: var(--dark-green);
    font-weight: 700;
}

/* Music Toggle Button */
.music-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

.music-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1) rotate(15deg);
}

.music-icon {
    width: 24px;
    height: 24px;
    color: white;
    position: absolute;
    transition: opacity 0.3s ease;
}

.music-icon.paused {
    opacity: 0;
}

.music-toggle.paused .music-icon.playing {
    opacity: 0;
}

.music-toggle.paused .music-icon.paused {
    opacity: 1;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 4rem 2rem;
    position: relative;
    background-image: url('../bg/mondstadt1.gif');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 30px;
    margin-bottom: 3rem;
    border: 2px solid var(--light-green);
    overflow: hidden;
}

/* Add overlay for better text readability */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.hero-section > * {
    position: relative;
    z-index: 2;
}

.decorative-element {
    position: absolute;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--secondary-green) 0%, transparent 70%);
    opacity: 0.3;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.decorative-element.top-left {
    top: -30px;
    left: -30px;
}

.decorative-element.top-right {
    top: -30px;
    right: -30px;
    animation-delay: 2s;
}

.decorative-element.bottom-left {
    bottom: -30px;
    left: -30px;
    animation-delay: 4s;
}

.decorative-element.bottom-right {
    bottom: -30px;
    right: -30px;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-20px) scale(1.1);
    }
}

.anemo-symbol {
    display: none;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.main-title {
    font-size: 4rem;
    font-weight: 900;
    color: var(--white-fucker);
    text-shadow: 3px 3px 6px var(--shadow);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.subtitle {
    font-size: 1.8rem;
    color: var(--white-fucker);
    font-weight: 600;
    margin-bottom: 1rem;
}

.author {
    font-size: 1.2rem;
    color: var(--white-fucker);
    font-style: italic;
}

/* Content Cards */
.content-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 30px var(--shadow);
    border: 2px solid var(--light-green);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-green) 0%, var(--secondary-green) 50%, var(--accent-teal) 100%);
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px var(--shadow-dark);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card-header h2 {
    color: var(--dark-green);
    font-size: 2rem;
    font-weight: 700;
}

.feather-icon, .key-icon {
    width: 50px;
    height: 50px;
    color: var(--primary-green);
}

.card-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.definition {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-green);
    padding: 1rem;
    background: linear-gradient(135deg, rgba(74, 157, 126, 0.1) 0%, rgba(168, 216, 195, 0.1) 100%);
    border-left: 4px solid var(--primary-green);
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.example-box {
    background: var(--light-cream);
    padding: 1.5rem;
    border-radius: 15px;
    border: 2px solid var(--light-green);
    margin: 1rem 0;
    font-size: 1.1rem;
}

.example-box strong {
    color: var(--primary-green);
    font-weight: 700;
}

/* Intro Section */
.intro-section {
    margin-bottom: 3rem;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.feather-decoration {
    width: 80px;
    height: 120px;
    margin: 0 auto 1rem;
    color: var(--primary-green);
    opacity: 0.6;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--dark-green);
    text-shadow: 2px 2px 4px var(--shadow);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.5rem;
    color: var(--primary-green);
    font-weight: 600;
}

/* Objectives Section */
.objectives-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.objective-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem 2.5rem;
}

.objective-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-green);
    opacity: 0.3;
    line-height: 1;
    min-width: 80px;
}

.objective-content {
    flex: 1;
    position: relative;
}

.objective-content h3 {
    font-size: 1.8rem;
    color: var(--dark-green);
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.objective-content p {
    font-size: 1.1rem;
    color: var(--text-dark);
}

.wind-element {
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, var(--secondary-green) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.2;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translateY(-50%) scale(1);
        opacity: 0.2;
    }
    50% {
        transform: translateY(-50%) scale(1.2);
        opacity: 0.4;
    }
}

/* Comparison Section */
.comparison-section {
    margin-bottom: 3rem;
}

.comparison-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.comparison-card {
    flex: 1;
    min-width: 300px;
    text-align: center;
    padding: 3rem 2rem;
}

.comparison-card.free-morpheme {
    border-color: var(--secondary-green);
}

.comparison-card.bound-morpheme {
    border-color: var(--accent-teal);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    color: var(--primary-green);
}

.comparison-card h2 {
    font-size: 2rem;
    color: var(--dark-green);
    margin-bottom: 1rem;
}

.morpheme-definition {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.vs-divider {
    display: flex;
    align-items: center;
    justify-content: center;
}

.vs-divider span {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--gold);
    background: white;
    border: 3px solid var(--gold);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px var(--shadow-dark);
}

/* Examples Section */
.examples-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.language-example {
    margin-bottom: 1.5rem;
}

.language-example h3 {
    color: var(--primary-green);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.rule-text {
    font-size: 1.1rem;
    color: var(--text-dark);
}

.rule-text strong {
    color: var(--dark-green);
    font-weight: 700;
}

.highlight-card {
    background: linear-gradient(135deg, rgba(74, 157, 126, 0.05) 0%, rgba(168, 216, 195, 0.05) 100%);
    border: 3px solid var(--primary-green);
}

.subtitle-text {
    font-size: 1.2rem;
    color: var(--text-medium);
    font-style: italic;
    margin-top: 0.5rem;
}

.dialect-comparison {
    display: flex;
    gap: 2rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.dialect-box {
    flex: 1;
    min-width: 200px;
    background: var(--light-cream);
    padding: 1.5rem;
    border-radius: 15px;
    border: 2px solid var(--light-green);
}

.dialect-box h3 {
    color: var(--dark-green);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.pronoun-list {
    font-size: 1.2rem;
    color: var(--primary-green);
    font-weight: 600;
}

.note-text {
    text-align: center;
    font-style: italic;
    color: var(--text-medium);
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* Activity Section */
.activity-section {
    margin-bottom: 3rem;
}

.activity-card {
    margin-bottom: 2rem;
}

.scroll-icon {
    width: 50px;
    height: 50px;
    color: var(--primary-green);
}

.instruction-list {
    list-style: none;
    counter-reset: step-counter;
}

.instruction-list li {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--light-cream);
    border-radius: 15px;
    border-left: 4px solid var(--primary-green);
    transition: all 0.3s ease;
}

.instruction-list li:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 15px var(--shadow);
}

.step-number {
    font-size: 2rem;
    font-weight: 900;
    color: white;
    background: var(--primary-green);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px var(--shadow-dark);
}

.step-text {
    flex: 1;
    font-size: 1.15rem;
    color: var(--text-dark);
    line-height: 1.6;
}

.activity-illustration {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(74, 157, 126, 0.05) 0%, rgba(168, 216, 195, 0.05) 100%);
    border-radius: 20px;
    position: relative;
}

.wind-swirl {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    color: var(--primary-green);
}

.floating-morphemes {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.morpheme-tag {
    background: var(--primary-green);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 1.2rem;
    font-weight: 700;
    box-shadow: 0 4px 15px var(--shadow-dark);
    animation: floatTag 3s ease-in-out infinite;
}

.morpheme-tag:nth-child(1) {
    animation-delay: 0s;
}

.morpheme-tag:nth-child(2) {
    animation-delay: 0.5s;
}

.morpheme-tag:nth-child(3) {
    animation-delay: 1s;
}

.morpheme-tag:nth-child(4) {
    animation-delay: 1.5s;
}

.morpheme-tag:nth-child(5) {
    animation-delay: 2s;
}

@keyframes floatTag {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* Conclusion Section */
.conclusion-section {
    margin-bottom: 3rem;
}

.conclusion-card {
    margin-bottom: 2rem;
}

.conclusion-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-dark);
    text-align: justify;
}

.conclusion-card.highlight {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-teal) 100%);
    border: none;
}

.conclusion-card.highlight .conclusion-text {
    color: white;
    text-align: center;
    font-weight: 600;
}

.book-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    color: var(--primary-green);
}

.wind-blessing {
    text-align: center;
    padding: 6rem;
    position: relative;
    background-image: url('../bg/genshin-venti-silhouette.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 20px;
    border: 2px solid var(--light-green);
    overflow: hidden;
}

/* Add dark overlay for text readability */
.wind-blessing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.wind-blessing > * {
    position: relative;
    z-index: 2;
}

.anemo-circle {
    display: none;
}

.blessing-text {
    font-size: 1.4rem;
    color: white;
    font-weight: 600;
    font-style: italic;
}

/* Navigation Footer */
.navigation-footer {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.btn-prev, .btn-next {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-teal) 100%);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-dark);
}

.btn-prev:hover, .btn-next:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px var(--shadow-dark);
}

.btn-prev svg, .btn-next svg {
    width: 24px;
    height: 24px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        padding: 1rem;
    }
    
    .nav-links {
        justify-content: center;
        font-size: 0.9rem;
    }
    
    .nav-link {
        padding: 0.5rem 1rem;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.3rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .comparison-container {
        flex-direction: column;
    }
    
    .vs-divider {
        transform: rotate(90deg);
    }
    
    .navigation-footer {
        flex-direction: column;
    }
    
    .btn-prev {
        order: 2;
    }
    
    .btn-next {
        order: 1;
    }
    
    .objective-card {
        flex-direction: column;
        text-align: center;
    }
    
    .objective-number {
        margin-bottom: 1rem;
    }
}

/* Blur Effect for Modal */
.main-content,
.navbar {
    filter: blur(0);
    transition: filter 0.5s ease-in-out;
}

.blurred {
    filter: blur(5px);
}