/* Import Google Fonts with font-display optimization */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* CSS Custom Properties for Design System */
:root {
    /* Primary Colors */
    --primary-50: #f0f4ff;
    --primary-100: #e0e9ff;
    --primary-200: #c7d7fe;
    --primary-300: #a5b8fc;
    --primary-400: #8b93f8;
    --primary-500: #667eea;
    --primary-600: #5a67d8;
    --primary-700: #4c51bf;
    --primary-800: #434190;
    --primary-900: #3c366b;
    
    /* Secondary Colors */
    --secondary-50: #faf5ff;
    --secondary-100: #f3e8ff;
    --secondary-200: #e9d5ff;
    --secondary-300: #d8b4fe;
    --secondary-400: #c084fc;
    --secondary-500: #a855f7;
    --secondary-600: #9333ea;
    --secondary-700: #7c3aed;
    --secondary-800: #6b21a8;
    --secondary-900: #581c87;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Accent Colors */
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
    --accent-red: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-600) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-500) 0%, var(--primary-600) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-500) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 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 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Typography */
    --font-primary: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Performance optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Improve rendering performance */
.hero-visual,
.blockchain-animation,
.feature-icon {
    will-change: transform;
    transform: translateZ(0);
}

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

body {
    font-family: var(--font-secondary);
    line-height: 1.7;
    color: var(--gray-800);
    overflow-x: hidden;
    background-color: var(--gray-50);
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 45px;
    height: 45px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
}

.nav-link:hover {
    color: var(--primary-600);
    background-color: var(--primary-50);
}

.nav-link.active {
    color: var(--primary-600);
    background-color: var(--primary-100);
    font-weight: 600;
}

.cta-button {
    background: var(--gradient-primary) !important;
    color: white !important;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-xl);
    background: var(--gradient-secondary) !important;
}

.cta-button:active {
    transform: translateY(0) scale(0.98);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.2) 0%, transparent 50%);
    animation: heroBackground 20s ease-in-out infinite;
}

@keyframes heroBackground {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

.subtitle {
    font-size: 1.75rem;
    font-weight: 300;
    opacity: 0.9;
    letter-spacing: 0.02em;
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    opacity: 0.95;
    font-weight: 400;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: var(--font-primary);
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    justify-content: flex-start;
    margin-top: var(--space-lg);
}

.stat {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 120px;
}

.stat:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Blockchain Animation */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.blockchain-animation {
    position: relative;
    width: 300px;
    height: 200px;
}

.block {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    position: absolute;
    backdrop-filter: blur(10px);
    animation: float 3s ease-in-out infinite;
}

.block:nth-child(1) {
    top: 70px;
    left: 0;
    animation-delay: 0s;
}

.block:nth-child(2) {
    top: 70px;
    left: 120px;
    animation-delay: 1s;
}

.block:nth-child(3) {
    top: 70px;
    right: 0;
    animation-delay: 2s;
}

.connection {
    width: 50px;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    position: absolute;
    top: 99px;
}

.connection:nth-child(4) {
    left: 70px;
}

.connection:nth-child(5) {
    right: 70px;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Section Styles */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--gray-900);
    letter-spacing: -0.02em;
    line-height: 1.2;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

/* Contact Section */
.contact {
    background: #f8f9fa;
}

.contact-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* Contact Form Styles */
.contact-form-container {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form-container h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #333;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
    margin-top: 10px;
}

/* Contact Info Styles */
.contact-info {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-info h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #333;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #f0f0f0;
}

.contact-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #333;
}

.contact-details p {
    color: #666;
    margin-bottom: 5px;
}

.contact-details small {
    color: #999;
    font-size: 0.9rem;
}

/* About Section */
.about {
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.about-text p {
    margin-bottom: 25px;
    line-height: 1.8;
    color: #666;
}

.about-features {
    display: grid;
    gap: 30px;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-2xl);
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature:hover::before {
    transform: scaleX(1);
}

.feature:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-200);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-xl);
}

.feature h4 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--gray-800);
    transition: color 0.3s ease;
}

.feature:hover h4 {
    color: var(--primary-600);
}

.feature p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Leadership Section */
.leadership {
    background: white;
}

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.leader-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.leader-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.leader-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    z-index: 1;
}

.leader-card > * {
    position: relative;
    z-index: 2;
}

.leader-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--secondary-200);
}

.leader-card:hover::before {
    opacity: 0.03;
}

.leader-info h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: #333;
}

.leader-title {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
}

.leader-desc {
    color: #666;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* Leader Profile Styles */
.leader-profile {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.leader-profile:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.leader-avatar {
    flex-shrink: 0;
}

.avatar-placeholder {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.leader-details h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: #333;
}

.leader-position {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
}

.leader-bio {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.leader-links {
    display: flex;
    gap: 10px;
}

.leader-links a {
    width: 35px;
    height: 35px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
}

.leader-links a:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* Services Section */
.services {
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: var(--space-2xl) var(--space-xl);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    transition: transform 0.3s ease;
    z-index: 1;
}

.service-card > * {
    position: relative;
    z-index: 2;
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-200);
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
    font-size: 1.75rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-2xl);
}

.service-card:hover .service-icon::before {
    opacity: 0.2;
}

.service-card h3 {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--gray-800);
    transition: color 0.3s ease;
}

.service-card:hover h3 {
    color: var(--primary-600);
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* News Section */
.news {
    background: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.news-card:hover::before {
    transform: scaleX(1);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--accent-blue);
}

.news-date {
    color: #667eea;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.news-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.news-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.news-link:hover {
    gap: 12px;
}

/* Contact Section */
.contact {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #333;
}

.contact-details p {
    color: #666;
    margin-bottom: 5px;
}

.contact-details a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.contact-details a:hover {
    text-decoration: underline;
}

.social-links {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.social-links h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #333;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.social-icons a {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-icons a:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.footer-logo {
    width: 40px;
    height: 40px;
    margin-bottom: 15px;
}

.footer-logo-link {
    display: inline-block;
    margin-bottom: 15px;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    text-align: center;
    color: #999;
}

.footer-bottom p {
    margin-bottom: 5px;
}

/* Responsive Design */
/* Tablet styles */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-container {
        gap: 30px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .nav-menu {
        gap: 20px;
    }
    
    .about-content {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        justify-content: center;
        gap: 20px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-container,
    .contact-info {
        padding: 30px 20px;
    }

    .leader-profile {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .avatar-placeholder {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin: 0 auto 15px;
    }

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

    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

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

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .blockchain-animation {
        width: 250px;
        height: 150px;
    }

    .block {
        width: 50px;
        height: 50px;
    }

    .connection {
        width: 40px;
        top: 84px;
    }

    .connection:nth-child(4) {
        left: 60px;
    }

    .connection:nth-child(5) {
        right: 60px;
    }
}

/* Smooth scrolling and accessibility */
html {
    scroll-behavior: smooth;
}

/* Focus states for accessibility */
*:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Improve text rendering */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Membership Pricing Styles */
.membership-pricing {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.premium {
    border: 3px solid #ffd700;
    background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
}

.pricing-card.premium::before {
    content: "推薦";
    position: absolute;
    top: 20px;
    right: -30px;
    background: #ffd700;
    color: #333;
    padding: 5px 40px;
    font-size: 12px;
    font-weight: bold;
    transform: rotate(45deg);
}

.pricing-card.popular {
    border: 3px solid #3b82f6;
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
}

.pricing-card.popular::before {
    content: "熱門";
    position: absolute;
    top: 20px;
    right: -30px;
    background: #3b82f6;
    color: white;
    padding: 5px 40px;
    font-size: 12px;
    font-weight: bold;
    transform: rotate(45deg);
}

.pricing-card.free {
    border: 3px solid #10b981;
    background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 100%);
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 5px;
}

.pricing-subtitle {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 20px;
}

.price {
    font-size: 36px;
    font-weight: 800;
    color: #3b82f6;
    margin-bottom: 10px;
}

.price span {
    font-size: 16px;
    color: #64748b;
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
    padding-left: 30px;
    color: #475569;
    line-height: 1.6;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
    font-size: 16px;
}

.pricing-card .btn {
    width: 100%;
    margin-top: 20px;
    padding: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Membership Application Styles */
.page-header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-3xl) 0 var(--space-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.page-title {
    font-family: var(--font-primary);
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}

.page-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 1;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 1;
}

/* Membership Benefits */
.membership-benefits {
    background: var(--gray-50);
    padding: var(--space-3xl) 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.benefit-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
    font-size: 1.8rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.benefit-card:hover .benefit-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.benefit-card h3 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--gray-800);
}

.benefit-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Application Form */
.application-form {
    background: white;
    padding: var(--space-3xl) 0;
}

.form-container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--gray-100);
}

.form-header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-2xl);
    text-align: center;
}

.form-header h2 {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.form-header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

.membership-form {
    padding: var(--space-2xl);
}

.form-section {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--gray-200);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.form-section .section-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--primary-100);
    position: relative;
}

.form-section .section-title::after {
    display: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--space-xs);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: background-color 0.3s ease;
}

.checkbox-item:hover {
    background-color: var(--gray-50);
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark {
    background: var(--gradient-primary);
    border-color: var(--primary-500);
}

.checkbox-item input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Membership Types */
.membership-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.membership-option {
    position: relative;
}

.membership-option input[type="radio"] {
    display: none;
}

.membership-card {
    display: block;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all 0.3s ease;
    height: 100%;
}

.membership-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.membership-option input[type="radio"]:checked + .membership-card {
    border-color: var(--primary-500);
    background: var(--primary-50);
    box-shadow: var(--shadow-xl);
}

.membership-header {
    text-align: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-200);
}

.membership-header h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-sm);
}

.price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-600);
    font-family: var(--font-primary);
}

.membership-benefits-list {
    list-style: none;
    padding: 0;
}

.membership-benefits-list li {
    padding: var(--space-xs) 0;
    color: var(--gray-600);
    font-size: 0.9rem;
    position: relative;
    padding-left: var(--space-lg);
}

.membership-benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* Agreement */
.agreement-text {
    background: var(--gray-50);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    border-left: 4px solid var(--primary-500);
}

.agreement-text p {
    margin-bottom: var(--space-sm);
    color: var(--gray-700);
    line-height: 1.6;
}

/* Form Actions */
.form-actions {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-200);
}

.btn-large {
    padding: var(--space-lg) var(--space-3xl);
    font-size: 1.1rem;
    font-weight: 600;
}

.form-note {
    margin-top: var(--space-lg);
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* Contact Info */
.contact-info {
    background: var(--gray-50);
    padding: var(--space-3xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.contact-item {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
    font-size: 1.5rem;
}

.contact-item h3 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--gray-800);
}

.contact-item p {
    color: var(--gray-600);
    margin-bottom: var(--space-xs);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-logo img {
    width: 40px;
    height: 40px;
}

.footer-logo span {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-section h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: white;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: var(--space-sm);
}

.footer-section ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-section ul li i {
    margin-right: var(--space-xs);
    color: var(--primary-400);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-700);
    color: var(--gray-400);
}

/* Responsive Design for Forms */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .membership-types {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .form-container {
        margin: 0 var(--space-md);
    }
    
    .membership-form {
        padding: var(--space-lg);
    }
}

/* Utility classes */
.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}