/* Glossary Page Styles */
:root {
    /* Brand Colors */
    --primary-600: #073F52;
    --primary-500: #0A4F63;
    --primary-400: #1E6B7A;
    --secondary-500: #63B7D3;
    --secondary-400: #7BC4DB;
    --accent-500: #EBBC34;
    --accent-400: #F0C954;
    --accent-orange: #E88755;
    
    /* Neutral Colors */
    --gray-50: #FAFBFC;
    --gray-100: #F4F6F8;
    --gray-200: #E5E9ED;
    --gray-300: #D1D8DD;
    --gray-400: #9AA6B2;
    --gray-500: #6B7684;
    --gray-600: #4A5568;
    --gray-700: #2D3748;
    --gray-800: #1A202C;
    --gray-900: #171923;
    
    /* Semantic Colors */
    --success-500: #10B981;
    --warning-500: #F59E0B;
    --error-500: #EF4444;
    --info-500: #3B82F6;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Wildstripe', Arial, sans-serif;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--gray-50);
    overflow-x: hidden;
}

/* Hero Section */
.glossary-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--primary-600) 0%,
        var(--primary-500) 50%,
        var(--secondary-500) 100%
    );
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(235, 188, 52, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(99, 183, 211, 0.1) 0%, transparent 50%);
    background-size: 800px 800px, 600px 600px, 900px 900px;
    animation: patternFloat 20s ease-in-out infinite;
}

@keyframes patternFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(1deg); }
    66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.float-element {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(235, 188, 52, 0.2));
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 60px;
    height: 60px;
    top: 70%;
    right: 20%;
    animation-delay: 2s;
}

.element-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 70%;
    animation-delay: 4s;
}

.element-4 {
    width: 40px;
    height: 40px;
    top: 30%;
    right: 10%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.7; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 1; }
}

.hero-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-24) var(--space-6);
    position: relative;
    z-index: 1;
}

.hero-content {
    color: white;
    animation: fadeInUp 1s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-2xl);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.hero-badge i {
    color: var(--accent-400);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.highlight-text {
    background: linear-gradient(135deg, var(--accent-400) 0%, var(--accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: var(--space-12);
    opacity: 0.9;
    max-width: 600px;
}

/* Search Container */
.hero-search-container {
    margin-bottom: var(--space-8);
}

.search-wrapper {
    position: relative;
    max-width: 500px;
}

.search-wrapper i {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 1.1rem;
}

.glossary-search-input {
    width: 100%;
    padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--gray-700);
    transition: var(--transition-fast);
    font-family: var(--font-primary);
}

.glossary-search-input:focus {
    outline: none;
    border-color: var(--accent-400);
    background: white;
    box-shadow: 0 0 0 3px rgba(235, 188, 52, 0.2);
}

.glossary-search-input::placeholder {
    color: var(--gray-400);
}

.search-hint {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: var(--space-2);
}

/* Glossary Search Container (Below Alphabet Nav) */
.glossary-search-container {
    margin-bottom: var(--space-8);
    padding: var(--space-6) var(--space-8);
    text-align: center;
}

.glossary-search-container .search-wrapper {
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.glossary-search-container .search-wrapper i {
    color: var(--primary-500);
}

.glossary-search-container .glossary-search-input {
    border: 1.5px solid var(--gray-300);
    background: white;
    font-size: 0.95rem;
}

.glossary-search-container .glossary-search-input:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(7, 63, 82, 0.1);
}

.glossary-search-container .search-hint {
    color: var(--gray-500);
    font-size: 0.8rem;
    margin-top: var(--space-2);
}

/* Glossary Section */
.glossary-section {
    padding: var(--space-24) 0;
    background: white;
}

.glossary-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Alphabet Navigation */
.alphabet-nav {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-16);
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
}

.alpha-btn {
    padding: var(--space-3) var(--space-4);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-primary);
    font-size: 0.95rem;
}

.alpha-btn:hover {
    background: var(--gray-100);
    border-color: var(--primary-500);
    transform: translateY(-2px);
}

.alpha-btn.active {
    background: linear-gradient(135deg, var(--accent-500) 0%, var(--accent-orange) 100%);
    color: var(--primary-600);
    border-color: var(--accent-500);
    box-shadow: var(--shadow-md);
}

/* Glossary Content */
.glossary-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.glossary-letter-section {
    animation: fadeInUp 0.6s ease-out forwards;
}

.letter-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-4);
    border-bottom: 3px solid var(--accent-500);
}

.letter-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-500), var(--accent-orange));
    border-radius: var(--radius-lg);
    color: var(--primary-600);
    font-size: 1.8rem;
    font-weight: 800;
    font-family: var(--font-display);
}

.letter-title {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--gray-800);
    font-weight: 700;
}

/* Terms Grid */
.terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
}

.glossary-item {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.glossary-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-500), var(--accent-orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-fast);
}

.glossary-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.glossary-item:hover::before {
    transform: scaleX(1);
}

.glossary-item-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.glossary-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(235, 188, 52, 0.1);
    border-radius: var(--radius-md);
    color: var(--accent-500);
    flex-shrink: 0;
    font-size: 1.1rem;
}

.glossary-item-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.3;
}

.glossary-item-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--gray-100);
    color: var(--gray-600);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    margin-top: var(--space-2);
}

.glossary-item-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
    color: var(--primary-500);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.glossary-item-link:hover {
    color: var(--primary-600);
    gap: var(--space-3);
}

.glossary-item-link i {
    transition: var(--transition-fast);
}

/* No Results */
.no-results {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    padding: var(--space-12);
}

.no-results-content {
    text-align: center;
    max-width: 400px;
}

.no-results-content i {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: var(--space-4);
}

.no-results-content h3 {
    font-size: 1.5rem;
    color: var(--gray-800);
    margin-bottom: var(--space-2);
}

.no-results-content p {
    color: var(--gray-500);
    line-height: 1.6;
}

/* CTA Section */
.glossary-cta {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: white;
    padding: var(--space-24) 0;
    position: relative;
    overflow: hidden;
}

.glossary-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    background-size: 40px 40px;
    animation: patternMove 30s linear infinite;
    z-index: 0;
}

@keyframes patternMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

.cta-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    z-index: 1;
}

.cta-content {
    text-align: center;
}

.cta-icon {
    font-size: 4rem;
    margin-bottom: var(--space-6);
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    width: 100px;
    height: 100px;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    text-align: center;
    margin: 19px auto;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.cta-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: var(--space-12);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary-cta, .btn-secondary-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-xl);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary-cta {
    background: linear-gradient(135deg, var(--accent-500) 0%, var(--accent-orange) 100%);
    color: var(--primary-600);
    box-shadow: var(--shadow-lg);
}

.btn-primary-cta:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary-cta:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .glossary-hero {
        min-height: 80vh;
    }
    
    .hero-container {
        padding: var(--space-16) var(--space-6);
    }
    
    .terms-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--space-5);
    }
}

@media (max-width: 768px) {
    .glossary-hero {
        min-height: 70vh;
        padding-top: 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .alphabet-nav {
        gap: var(--space-1);
        padding: var(--space-4);
    }
    
    .alpha-btn {
        padding: var(--space-2) var(--space-3);
        font-size: 0.85rem;
    }
    
    .terms-grid {
        grid-template-columns: 1fr;
    }
    
    .letter-title {
        font-size: 1.5rem;
    }
    
    .glossary-section {
        padding: var(--space-12) 0;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary-cta, .btn-secondary-cta {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .glossary-hero {
        min-height: 60vh;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: var(--space-2) var(--space-3);
    }
    
    .glossary-item {
        padding: var(--space-4);
    }
    
    .letter-icon {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
    }
    
    .letter-header {
        gap: var(--space-2);
        margin-bottom: var(--space-4);
    }
    
    .glossary-search-input {
        font-size: 16px;
    }
}