/* ========================================
   AI Ireland Hub - Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
    /* Irish-inspired color palette */
    --primary: #00a86b;
    --primary-dark: #008855;
    --primary-light: #00d084;
    --secondary: #ff6b35;
    --accent: #ffd700;
    
    /* Neutrals */
    --bg-dark: #0a0f0d;
    --bg-darker: #050807;
    --bg-card: rgba(16, 24, 20, 0.8);
    --bg-card-hover: rgba(20, 32, 26, 0.9);
    
    /* Text colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    
    /* Borders */
    --border-color: rgba(0, 168, 107, 0.2);
    --border-hover: rgba(0, 168, 107, 0.4);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(0, 168, 107, 0.3);
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

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

body {
    font-family: var(--font-primary);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Neural Network Background */
#neuralBackground {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 15, 13, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(10, 15, 13, 0.95);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.4rem;
}

.logo-icon {
    display: flex;
    align-items: center;
}

.logo-text {
    color: var(--text-primary);
}

.logo-text .accent {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
}

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

.nav-cta {
    background: var(--primary);
    color: var(--bg-dark) !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--primary-light);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

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

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

.btn-small {
    padding: 10px 18px;
    font-size: 0.85rem;
}

.btn-icon {
    font-size: 1.1em;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    display: flex;
    align-items: center;
    padding: 120px 24px 60px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(0, 168, 107, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(0, 208, 132, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 650px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Floating Cards */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
}

.floating-cards {
    position: relative;
    width: 100%;
    height: 100%;
}

.float-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 16px 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

.card-icon {
    display: flex;
    align-items: center;
    line-height: 0;
}

.card-1 { top: 10%; left: 10%; animation-delay: 0s; }
.card-2 { top: 30%; right: 0; animation-delay: 1s; }
.card-3 { bottom: 30%; left: 5%; animation-delay: 2s; }
.card-4 { bottom: 10%; right: 10%; animation-delay: 3s; }

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

/* ========================================
   Sections General
   ======================================== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-badge {
    display: inline-block;
    background: rgba(0, 168, 107, 0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Companies Section
   ======================================== */
.companies-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--bg-dark);
    border-color: var(--primary);
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 50px;
}

.company-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: var(--transition-normal);
    cursor: pointer;
}

.company-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.company-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.company-logo {
    width: 48px;
    height: 48px;
    background: rgba(0, 168, 107, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.irish-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--bg-dark);
    font-size: 0.55rem;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
    letter-spacing: 0.5px;
}

.company-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.company-type {
    font-size: 0.8rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.company-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.company-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: rgba(0, 168, 107, 0.1);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
}

.section-cta {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.section-cta p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* ========================================
   Research Section
   ======================================== */
.research-section {
    background: var(--bg-darker);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.research-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    transition: var(--transition-normal);
}

.research-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.research-card.featured {
    grid-column: span 3;
    background: linear-gradient(135deg, rgba(0, 168, 107, 0.1) 0%, rgba(0, 168, 107, 0.05) 100%);
    border-color: var(--primary);
}

.research-icon {
    margin-bottom: 16px;
    line-height: 0;
}

.research-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.research-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.research-highlights {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.research-highlights li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-left: 20px;
    position: relative;
}

.research-highlights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.research-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.research-link:hover {
    color: var(--primary-light);
}

/* ========================================
   Events Section
   ======================================== */
.events-section {
    background: var(--bg-dark);
}

.events-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.event-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 24px;
    align-items: center;
    transition: var(--transition-normal);
}

.event-card:hover {
    border-color: var(--border-hover);
    transform: translateX(5px);
}

.event-date {
    background: var(--primary);
    color: var(--bg-dark);
    padding: 16px;
    border-radius: 12px;
    text-align: center;
    min-width: 70px;
}

.event-day {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.event-month {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
}

.event-info h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.event-meta {
    display: flex;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.event-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.event-type {
    background: rgba(0, 168, 107, 0.1);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

.events-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
}

.sidebar-card h4 {
    margin-bottom: 12px;
    font-size: 1rem;
}

.sidebar-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.subscribe-form {
    display: flex;
    gap: 8px;
}

.subscribe-form input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-primary);
}

.subscribe-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.community-links {
    list-style: none;
}

.community-links li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.community-links li:last-child {
    border-bottom: none;
}

.community-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

/* ========================================
   Chat Section
   ======================================== */
.chat-section {
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
}

.chat-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.chat-window {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
}

.chat-messages {
    padding: 24px;
    max-height: 400px;
    overflow-y: auto;
}

.message {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.message:last-child {
    margin-bottom: 0;
}

.message-avatar {
    width: 40px;
    height: 40px;
    background: var(--bg-darker);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.user-message .message-avatar {
    background: var(--primary);
}

.message-content {
    background: var(--bg-darker);
    padding: 16px 20px;
    border-radius: 16px;
    border-top-left-radius: 4px;
    max-width: 85%;
}

.user-message .message-content {
    background: rgba(0, 168, 107, 0.15);
    border-top-left-radius: 16px;
    border-top-right-radius: 4px;
    margin-left: auto;
}

.user-message {
    flex-direction: row-reverse;
}

.message-content p {
    margin-bottom: 12px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul {
    margin: 0;
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.message-content li {
    margin-bottom: 6px;
}

.chat-suggestions {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.suggestion-btn {
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.suggestion-btn:hover {
    background: rgba(0, 168, 107, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.chat-input-form {
    display: flex;
    padding: 16px 24px;
    gap: 12px;
    border-top: 1px solid var(--border-color);
}

.chat-input-form input {
    flex: 1;
    padding: 14px 20px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
}

.chat-input-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.send-btn {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.send-btn:hover {
    background: var(--primary-light);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.send-btn svg {
    width: 20px;
    height: 20px;
    color: var(--bg-dark);
}

.chat-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
}

.info-card h4 {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-8px); }
}

/* ========================================
   Resources Section
   ======================================== */
.resources-section {
    background: var(--bg-dark);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.resource-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: var(--transition-normal);
}

.resource-category:hover {
    border-color: var(--border-hover);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.category-icon {
    display: flex;
    align-items: center;
    line-height: 0;
}

.category-header h3 {
    font-size: 1rem;
}

.resource-links {
    list-style: none;
}

.resource-links li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.resource-links li:last-child {
    border-bottom: none;
}

.resource-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.resource-links a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition-fast);
}

.resource-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   Newsletter Section
   ======================================== */
.newsletter-section {
    background: linear-gradient(135deg, rgba(0, 168, 107, 0.1) 0%, rgba(0, 168, 107, 0.05) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 60px 0;
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.newsletter-text h2 {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.newsletter-text p {
    color: var(--text-secondary);
}

.newsletter-form {
    display: flex;
    gap: 12px;
}

.newsletter-form input {
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    min-width: 280px;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-darker);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-dark);
}

.social-links svg {
    width: 18px;
    height: 18px;
}

.footer-links h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1rem;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--text-secondary);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .research-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .research-card.featured {
        grid-column: span 2;
    }
    
    .events-container {
        grid-template-columns: 1fr;
    }
    
    .chat-container {
        grid-template-columns: 1fr;
    }
    
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 15, 13, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .research-grid {
        grid-template-columns: 1fr;
    }
    
    .research-card.featured {
        grid-column: span 1;
    }
    
    .research-highlights {
        grid-template-columns: 1fr;
    }
    
    .event-card {
        grid-template-columns: auto 1fr;
    }
    
    .event-type {
        display: none;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-content {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
        width: 100%;
    }
    
    .newsletter-form input {
        min-width: auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .chat-suggestions {
        flex-direction: column;
    }
    
    .suggestion-btn {
        text-align: left;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Selection */
::selection {
    background: var(--primary);
    color: var(--bg-dark);
}