:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --tertiary-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --dark-bg: #0a0e27;
    --darker-bg: #050816;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-bg-hover: rgba(255, 255, 255, 0.06);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 5rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Orbitron', 'Space Grotesk', var(--font-primary);

    /* Effects */
    --blur-sm: blur(10px);
    --blur-md: blur(20px);
    --blur-lg: blur(30px);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);
    --shadow-glow-pink: 0 0 40px rgba(240, 147, 251, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background: var(--darker-bg);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Neural Network Background */
.neural-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: radial-gradient(ellipse at top, #0a0e27 0%, #050816 100%);
}

/* Floating Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.content-wrapper {
    max-width: 900px;
    width: 100%;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

/* Logo Section */
.logo-section {
    margin-bottom: var(--spacing-xl);
}

.brain-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(var(--shadow-glow));
}

.brain-shape {
    animation: pulse 2s ease-in-out infinite;
}

.synapse {
    animation: synapsePulse 1.5s ease-in-out infinite;
}

.synapse-1 {
    animation-delay: 0s;
}

.synapse-2 {
    animation-delay: 0.3s;
}

.synapse-3 {
    animation-delay: 0.6s;
}

.synapse-4 {
    animation-delay: 0.9s;
}

.synapse-5 {
    animation-delay: 1.2s;
}

.main-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.title-line {
    display: block;
    animation: slideInLeft 0.8s ease-out backwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    backdrop-filter: var(--blur-sm);
    margin-bottom: var(--spacing-lg);
    animation: fadeIn 1s ease-out 0.4s backwards;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #00f2fe;
    border-radius: 50%;
    animation: pulseDot 2s ease-in-out infinite;
    box-shadow: 0 0 10px #00f2fe;
}

.status-text {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

/* Tagline */
.tagline {
    font-size: clamp(1.125rem, 3vw, 1.375rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
    animation: fadeIn 1s ease-out 0.6s backwards;
}

/* Mission Box */
.mission-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: var(--spacing-xl);
    backdrop-filter: var(--blur-md);
    margin-bottom: var(--spacing-3xl);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

.mission-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg,
            transparent,
            rgba(102, 126, 234, 0.1),
            transparent 30%);
    animation: rotate 10s linear infinite;
}

.mission-box::after {
    content: '';
    position: absolute;
    inset: 1px;
    background: var(--darker-bg);
    border-radius: 23px;
    z-index: 0;
}

.mission-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.mission-text {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    color: var(--text-secondary);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* Features Section */
.features-section {
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeIn 1s ease-out 1s backwards;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: var(--spacing-xl);
    backdrop-filter: var(--blur-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out backwards;
}

.feature-card[data-index="1"] {
    animation-delay: 1.1s;
}

.feature-card[data-index="2"] {
    animation-delay: 1.2s;
}

.feature-card[data-index="3"] {
    animation-delay: 1.3s;
}

.feature-card[data-index="4"] {
    animation-delay: 1.4s;
}

.feature-card[data-index="5"] {
    animation-delay: 1.5s;
}

.feature-card[data-index="6"] {
    animation-delay: 1.6s;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

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

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: var(--shadow-card), var(--shadow-glow);
    background: var(--card-bg-hover);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: 16px;
    color: white;
    transition: all var(--transition-normal);
}

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

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.feature-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--accent-gradient);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--darker-bg);
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-xl) 0;
}

.stat-item {
    text-align: center;
    animation: fadeInUp 0.8s ease-out backwards;
}

.stat-item:nth-child(1) {
    animation-delay: 1.7s;
}

.stat-item:nth-child(2) {
    animation-delay: 1.8s;
}

.stat-item:nth-child(3) {
    animation-delay: 1.9s;
}

.stat-item:nth-child(4) {
    animation-delay: 2s;
}

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1s ease-out 2.1s backwards;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 5vw, 2.25rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.launch-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.email-signup {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto var(--spacing-sm);
}

.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
    backdrop-filter: var(--blur-sm);
    transition: all var(--transition-normal);
}

.email-input::placeholder {
    color: var(--text-muted);
}

.email-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.notify-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.notify-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.notify-btn:active {
    transform: translateY(0);
}

.notify-btn svg {
    transition: transform var(--transition-fast);
}

.notify-btn:hover svg {
    transform: translateX(4px);
}

.success-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: #00f2fe;
    font-weight: 600;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.success-message svg {
    flex-shrink: 0;
}

.success-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
.footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--card-border);
    animation: fadeIn 1s ease-out 2.2s backwards;
}

.footer p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    animation: fadeIn 1s ease-out 2.2s backwards;
    margin-bottom: var(--spacing-lg);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text-secondary);
    backdrop-filter: var(--blur-sm);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    color: var(--text-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

@keyframes synapsePulse {

    0%,
    100% {
        opacity: 0.8;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.5);
    }
}

@keyframes pulseDot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }

    .brain-icon {
        width: 90px;
        height: 90px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .email-signup {
        flex-direction: column;
    }

    .notify-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .social-links {
        gap: var(--spacing-sm);
    }

    .social-link {
        width: 44px;
        height: 44px;
    }
}