:root {
    --color-primary: #0f0f23;
    --color-secondary: #6366f1;
    --color-accent: #8b5cf6;
    --color-gradient-start: #667eea;
    --color-gradient-end: #764ba2;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-lighter: #9ca3af;
    --color-bg: #ffffff;
    --color-bg-light: #f9fafb;
    --color-bg-dark: #111827;
    --color-border: #e5e7eb;
    --color-glass: rgba(255, 255, 255, 0.1);
    
    --font-primary: 'Poppins', system-ui, -apple-system, sans-serif;
    --font-secondary: 'Source Serif Pro', Georgia, serif;
    --font-display: 'Crimson Text', 'Times New Roman', serif;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    --container-width: 1280px;
    --container-padding: 2rem;
    --glass-blur: blur(20px);
}
    
    --font-primary: 'Poppins', system-ui, -apple-system, sans-serif;
    --font-secondary: 'Source Serif Pro', Georgia, serif;
    --font-display: 'Crimson Text', 'Times New Roman', serif;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    --container-width: 1280px;
    --container-padding: 2rem;
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    font-family: var(--font-display);
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.8;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

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

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid rgba(229, 231, 235, 0.3);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav__logo {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav__link {
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
}

.nav__link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 8px;
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.nav__link:hover::before {
    opacity: 0.1;
}

.nav__link:hover {
    color: var(--color-secondary);
    transform: translateY(-1px);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav__burger {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #8b5cf6 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.2) 0%, transparent 50%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

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

.hero__container {
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.05em;
}

.hero__subtitle {
    font-size: clamp(1.25rem, 3vw, 2rem);
    opacity: 0.9;
    margin-bottom: 3rem;
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s both;
    font-weight: 400;
    letter-spacing: 0.01em;
}

.hero__pronunciation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s both;
}

.pronunciation {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-style: italic;
    opacity: 0.8;
    font-weight: 300;
    letter-spacing: 0.02em;
}

.pronunciation__play {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: var(--transition-bounce);
    backdrop-filter: var(--glass-blur);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.pronunciation__play:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), var(--shadow-glow);
}

/* Sections */
.section {
    padding: 8rem 0;
}

.section:nth-child(even) {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.section__title {
    text-align: center;
    margin-bottom: 4rem;
    color: var(--color-primary);
    position: relative;
    font-weight: 700;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 2px;
}

/* Definition Section */
.definition__content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: start;
}

.definition__main {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(229, 231, 235, 0.5);
}

.definition__main h3 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-family: var(--font-display);
    font-weight: 600;
}

.definition__pos {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-md);
}

.definition__meaning {
    font-size: 1.4rem;
    line-height: 1.8;
    color: var(--color-text-light);
    font-weight: 400;
}

.definition__examples h4 {
    color: var(--color-primary);
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.definition__examples ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.definition__examples li {
    padding: 2rem;
    background: white;
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    font-size: 1.1rem;
    position: relative;
    transition: var(--transition);
}

.definition__examples li:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.3);
}

.definition__examples li::before {
    content: '"';
    position: absolute;
    top: -0.5rem;
    left: 1rem;
    font-size: 3rem;
    color: var(--color-secondary);
    font-family: var(--font-display);
    opacity: 0.3;
}

.example__source {
    display: block;
    margin-top: 0.5rem;
    font-style: italic;
    color: var(--color-text-lighter);
    font-size: 0.9rem;
}

/* Etymology Section */
.etymology__timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.etymology__timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-secondary), var(--color-accent));
    border-radius: 2px;
}

.timeline__item {
    position: relative;
    margin-bottom: 4rem;
    padding-left: 5rem;
}

.timeline__marker {
    position: absolute;
    left: 8px;
    top: 0;
    width: 26px;
    height: 26px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: var(--shadow-lg), 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.timeline__content {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: var(--glass-blur);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.timeline__content:hover {
    transform: translateY(-3px) translateX(5px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.timeline__content h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.timeline__content p {
    color: var(--color-text-light);
    margin: 0;
}

/* Usage Section */
.usage__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
}

.quote-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: var(--glass-blur);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(99, 102, 241, 0.1);
    position: relative;
    overflow: hidden;
}

.quote-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}

.quote-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(99, 102, 241, 0.2);
}

.quote-card blockquote {
    font-family: var(--font-display);
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 2rem;
    font-style: italic;
    font-weight: 400;
    position: relative;
}

.quote-card blockquote::before {
    content: '"';
    font-size: 4rem;
    color: var(--color-secondary);
    opacity: 0.2;
    position: absolute;
    top: -1rem;
    left: -1rem;
    font-family: var(--font-display);
}

.quote-card cite {
    color: var(--color-text-light);
    font-size: 1rem;
    font-style: normal;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* About Section */
.about__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about__content p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--color-bg-dark);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer__content p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer__content p:last-child {
    font-family: var(--font-primary);
    font-style: italic;
    color: var(--color-accent);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .nav__menu {
        display: none;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .hero__title {
        font-size: clamp(2.5rem, 12vw, 5rem);
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .definition__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .usage__grid {
        grid-template-columns: 1fr;
    }
    
    .quote-card {
        padding: 2rem;
    }
    
    .timeline__item {
        padding-left: 3rem;
    }
    
    .timeline__content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero__pronunciation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .pronunciation__play {
        width: 40px;
        height: 40px;
    }
    
    .definition__examples li {
        padding: 0.8rem;
    }
    
    .quote-card {
        padding: 1.5rem;
    }
    
    .quote-card blockquote {
        font-size: 1.1rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
        background: white;
        color: black;
    }
    
    .section {
        padding: 2rem 0;
        break-inside: avoid;
    }
}