/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #000000;
    overflow-x: hidden;
}

/* CSS Variables */
:root {
    --primary-purple: #663399;
    --primary-purple-light: #7d4db5;
    --primary-purple-dark: #552288;
    --secondary-purple: rgba(102, 51, 153, 0.1);
    --accent-purple: rgba(102, 51, 153, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #666666;
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #111111;
    --border-color: rgba(102, 51, 153, 0.2);
    --gradient-primary: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    --gradient-text: linear-gradient(135deg, var(--primary-purple-light) 0%, var(--text-primary) 100%);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    background: var(--primary-purple);
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite;
}

.particle:nth-child(1) {
    width: 4px;
    height: 4px;
    left: 10%;
    top: 20%;
    animation-delay: 0s;
    animation-duration: 25s;
}

.particle:nth-child(2) {
    width: 6px;
    height: 6px;
    left: 20%;
    top: 60%;
    animation-delay: 2s;
    animation-duration: 30s;
}

.particle:nth-child(3) {
    width: 3px;
    height: 3px;
    left: 70%;
    top: 30%;
    animation-delay: 4s;
    animation-duration: 35s;
}

.particle:nth-child(4) {
    width: 5px;
    height: 5px;
    left: 80%;
    top: 70%;
    animation-delay: 6s;
    animation-duration: 20s;
}

.particle:nth-child(5) {
    width: 2px;
    height: 2px;
    left: 30%;
    top: 80%;
    animation-delay: 8s;
    animation-duration: 40s;
}

.particle:nth-child(6) {
    width: 4px;
    height: 4px;
    left: 60%;
    top: 10%;
    animation-delay: 10s;
    animation-duration: 28s;
}

.particle:nth-child(7) {
    width: 3px;
    height: 3px;
    left: 90%;
    top: 50%;
    animation-delay: 12s;
    animation-duration: 32s;
}

.particle:nth-child(8) {
    width: 5px;
    height: 5px;
    left: 40%;
    top: 40%;
    animation-delay: 14s;
    animation-duration: 26s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        transform: translateY(-100px) rotate(180deg);
        opacity: 0.3;
    }
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 1rem;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.02);
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    object-fit: cover;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-primary {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1;
}

.logo-secondary {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: -2px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-purple);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(102, 51, 153, 0.1);
}

.nav-link:hover::before {
    width: 80%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at 20% 80%, rgba(102, 51, 153, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(102, 51, 153, 0.05) 0%, transparent 50%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem 2rem;
    position: relative;
    z-index: 2;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-logo {
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.2s forwards;
}

.hero-logo-img {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: 
        0 0 20px rgba(102, 51, 153, 0.8),
        0 0 40px rgba(102, 51, 153, 0.6),
        0 0 80px rgba(102, 51, 153, 0.4),
        0 8px 32px rgba(102, 51, 153, 0.5);
    transition: all 0.3s ease;
}

.hero-logo-img:hover {
    transform: scale(1.05);
    box-shadow: 
        0 0 30px rgba(102, 51, 153, 1),
        0 0 60px rgba(102, 51, 153, 0.8),
        0 0 120px rgba(102, 51, 153, 0.6),
        0 12px 48px rgba(102, 51, 153, 0.7);
}

.hero-title {
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.4s forwards;
}

.title-main {
    display: block;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 0.9;
    margin-bottom: 0.5rem;
}

.title-sub {
    display: block;
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: var(--primary-purple-light);
    margin-bottom: 2rem;
    font-weight: 600;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.6s forwards;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 3rem;
    max-width: 500px;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.8s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1s forwards;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid transparent;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 32px rgba(102, 51, 153, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(102, 51, 153, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-purple-light);
    border-color: var(--primary-purple);
}

.btn-secondary:hover {
    background: var(--secondary-purple);
    transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    animation: fadeInRight 1s ease-out 0.5s forwards;
}

.nexus-graphic {
    position: relative;
    width: 400px;
    height: 400px;
}

/* AI Network Canvas */
.ai-network {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 24px;
    background: radial-gradient(120% 120% at 20% 20%, rgba(102, 51, 153, 0.08) 0%, rgba(0,0,0,0) 60%),
                radial-gradient(120% 120% at 80% 80%, rgba(102, 51, 153, 0.06) 0%, rgba(0,0,0,0) 60%);
    overflow: hidden;
}

.ai-network::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(125, 77, 181, 0.15) 0%, rgba(125, 77, 181, 0) 60%);
    pointer-events: none;
}

#aiNetworkCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 12px rgba(102, 51, 153, 0.35)) drop-shadow(0 0 24px rgba(102, 51, 153, 0.25));
}

/* remove legacy connection-nodes styles */

/* Section Styles */
section {
    padding: 6rem 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    background: var(--bg-card);
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-purple);
    box-shadow: 0 20px 40px rgba(102, 51, 153, 0.2);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 2rem;
    color: var(--primary-purple);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Vision Section */
.vision {
    background: var(--bg-primary);
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.vision-text .section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.vision-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.vision-points {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.vision-point {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.point-marker {
    background: var(--gradient-primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.point-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.point-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Vision Graphic */
.vision-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
}

.vision-circles {
    position: relative;
    width: 350px;
    height: 350px;
}

.circle {
    position: absolute;
    border: 2px solid var(--primary-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(102, 51, 153, 0.1);
    backdrop-filter: blur(10px);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.circle-1 {
    width: 120px;
    height: 120px;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.circle-2 {
    width: 120px;
    height: 120px;
    bottom: 20px;
    left: 20px;
}

.circle-3 {
    width: 120px;
    height: 120px;
    bottom: 20px;
    right: 20px;
}

.circle-center {
    width: 100px;
    height: 100px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-primary);
    border-color: var(--primary-purple-light);
    font-size: 1rem;
    font-weight: 700;
}

.circle:hover {
    transform: scale(1.05);
    background: rgba(102, 51, 153, 0.2);
}

.circle-center:hover {
    transform: translate(-50%, -50%) scale(1.05);
}

/* Join Section */
.join {
    background: var(--bg-secondary);
}

.join-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.join-card {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.primary-card {
    border: 1px solid var(--primary-purple);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(102, 51, 153, 0.05) 100%);
}

.join-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.join-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.join-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(102, 51, 153, 0.1);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.feature-icon {
    font-size: 1.2rem;
}

.feature span:last-child {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.join-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.contact-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-method:hover {
    border-color: var(--primary-purple);
    transform: translateY(-4px);
}

.method-icon {
    width: 50px;
    height: 50px;
    color: var(--primary-purple);
    flex-shrink: 0;
}

.method-icon svg {
    width: 100%;
    height: 100%;
}

.method-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.method-info a {
    color: var(--primary-purple-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.method-info a:hover {
    color: var(--primary-purple);
}

.method-info p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Form */
.contact-form-container {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.contact-form h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 4px rgba(102, 51, 153, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

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

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

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

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.footer-logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: -2px;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 400px;
}

.footer-links h4,
.footer-connect h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-connect p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-purple);
    border-color: var(--primary-purple);
    color: white;
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container,
    .vision-content,
    .join-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-container {
        text-align: center;
    }
    
    .vision-text .section-title {
        text-align: center;
    }
    
    .contact-info .section-title {
        text-align: center;
    }
    
    .nexus-graphic,
    .vision-circles {
        width: 300px;
        height: 300px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--border-color);
        padding: 2rem 0;
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        display: block;
        padding: 1rem;
        margin: 0 2rem;
        border-radius: 8px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .nav-container {
        padding: 0 1.5rem;
    }
    
    .hero-container {
        padding: 6rem 1.5rem 2rem;
        gap: 2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .join-features {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .nexus-graphic,
    .vision-circles {
        width: 250px;
        height: 250px;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    .logo-text,
    .footer-logo-text {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .nexus-graphic,
    .vision-circles {
        width: 200px;
        height: 200px;
    }
    
    .about-card,
    .contact-form-container {
        padding: 2rem 1.5rem;
    }
    
    .join-card.primary-card {
        padding: 2rem;
    }
}

/* Enhanced Mobile Optimization */
@media (max-width: 360px) {
    /* Extra small devices */
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hero-container {
        padding: 5rem 1rem 2rem;
    }
    
    .title-main {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
        min-height: 48px; /* Better touch targets */
        max-width: 100%;
    }
    
    .about-card,
    .contact-form-container,
    .join-card {
        padding: 1.5rem;
        margin: 0 0.5rem;
    }
    
    .section-title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }
    
    .contact-method {
        padding: 1.5rem;
        margin: 0 0.5rem;
    }
}

/* Touch Device Optimizations */
@media (max-width: 768px) and (hover: none) and (pointer: coarse) {
    /* Optimize for touch devices */
    .nav-link,
    .btn-primary,
    .btn-secondary,
    .social-link {
        min-height: 44px; /* Apple's minimum touch target */
        min-width: 44px;
    }
    
    .nav-toggle {
        padding: 12px;
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Remove hover effects that don't work well on touch */
    .about-card:hover,
    .contact-method:hover,
    .feature:hover {
        transform: none;
    }
    
    /* Enhance focus states for touch navigation */
    .btn-primary:focus,
    .btn-secondary:focus,
    .nav-link:focus {
        outline: 3px solid var(--primary-purple);
        outline-offset: 3px;
    }
}

/* Performance optimizations for mobile */
@media (max-width: 768px) {
    /* Reduce animations on mobile for better performance */
    .floating-particles {
        display: none;
    }
    
    .vision-graphic {
        display: none;
    }
    
    /* Optimize images for mobile */
    .hero-logo-img {
        width: 60px;
        height: 60px;
    }
    
    /* Simpler shadows for better mobile performance */
    .hero-logo-img {
        box-shadow: 
            0 0 15px rgba(102, 51, 153, 0.8),
            0 0 30px rgba(102, 51, 153, 0.4);
    }
}

/* Landscape mobile optimization */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 4rem 0 2rem;
    }
    
    .hero-container {
        padding: 4rem 1.5rem 2rem;
    }
    
    .title-main {
        font-size: clamp(2.5rem, 6vw, 3.5rem);
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus indicators */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-purple);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .bg-animation,
    .nav-toggle,
    .hero-visual,
    .vision-graphic {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero {
        background: none !important;
    }
}