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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --dark: #0f172a;
    --gray-dark: #1e293b;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.logo-icon {
    font-size: 28px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

/* Buttons */
.btn-primary {
    background: var(--gradient);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    padding: 12px 24px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15), transparent 60%);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--gray-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 20px;
}

.hero-note {
    color: var(--gray-light);
    font-size: 14px;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.hero-note i {
    color: var(--primary);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    max-width: 600px;
    margin: 0 auto;
    padding-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--gray-dark);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-description {
    font-size: 20px;
    color: var(--gray-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--dark);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--primary);
}

.feature-icon i {
    font-size: 48px;
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--gray-light);
    line-height: 1.8;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 23px;
    top: 60px;
    width: 2px;
    height: calc(100% + 10px);
    background: linear-gradient(180deg, var(--primary), transparent);
}

.timeline-marker {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
}

.timeline-content h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--gray-light);
    line-height: 1.8;
}

/* Technology Section */
.technology {
    padding: 100px 0;
    background: var(--gray-dark);
}

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

.tech-description {
    color: var(--gray-light);
    margin: 20px 0;
    font-size: 18px;
}

.tech-list {
    list-style: none;
    margin-top: 30px;
}

.tech-list li {
    padding: 12px 0;
    color: var(--gray-light);
    font-size: 16px;
    line-height: 1.8;
}

.tech-list strong {
    color: var(--white);
}

.tech-stack {
    background: var(--dark);
    padding: 48px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-item {
    background: var(--gradient);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    margin: 16px 0;
}

.tech-arrow {
    text-align: center;
    font-size: 24px;
    color: var(--primary);
}

/* Problem/Solution Section */
.problem-solution {
    padding: 100px 0;
    background: var(--gray-dark);
}

.ps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.ps-column {
    padding: 40px;
    border-radius: 16px;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.ps-column.problem {
    background: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.2);
}

.ps-column.solution {
    background: rgba(34, 197, 94, 0.05);
    border-color: rgba(34, 197, 94, 0.2);
}

.ps-column h2 {
    font-size: 28px;
    margin-bottom: 24px;
}

.ps-list {
    list-style: none;
}

.ps-list li {
    padding: 12px 0;
    color: var(--gray-light);
    font-size: 16px;
    line-height: 1.6;
    padding-left: 24px;
    position: relative;
}

.ps-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--gray);
}

/* Use Cases Section */
.use-cases {
    padding: 100px 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.use-case {
    background: var(--gray-dark);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.use-case-icon {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 16px;
}

.use-case h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.use-case p {
    color: var(--gray-light);
    line-height: 1.8;
}

/* Waitlist Section */
.waitlist {
    padding: 100px 0;
    background: var(--gray-dark);
}

.waitlist-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.waitlist-form {
    margin-top: 40px;
}

.form-group {
    margin-bottom: 16px;
}

.form-input {
    width: 100%;
    padding: 16px;
    background: var(--dark);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--white);
    font-size: 16px;
    transition: border-color 0.3s;
}

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

.form-input::placeholder {
    color: var(--gray);
}

.waitlist-form button {
    width: 100%;
    margin-top: 8px;
}

.research-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.research-badge i {
    margin-right: 4px;
}

.timeline-callout {
    background: var(--gray-dark);
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 12px;
    padding: 32px;
    margin: 32px 0;
    text-align: left;
}

.timeline-callout h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
}

.timeline-callout h4 i {
    color: var(--primary);
}

.timeline-callout ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.timeline-callout ul li {
    padding: 12px 0;
    color: var(--gray-light);
    font-size: 16px;
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.timeline-callout ul li:last-child {
    border-bottom: none;
}

.timeline-callout ul li strong {
    color: var(--white);
    font-weight: 600;
}

.waitlist-note {
    margin-top: 16px;
    color: var(--gray-light);
    font-size: 14px;
    text-align: center;
    line-height: 1.6;
}

.waitlist-note i {
    color: var(--primary);
    margin-right: 4px;
}

.form-message {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    display: block;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-tagline {
    color: var(--gray);
    margin-top: 12px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    margin-bottom: 16px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray);
}

.footer-column a {
    display: block;
    color: var(--gray-light);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 14px;
}

.footer-disclaimer {
    margin-top: 8px;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 40px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .tech-content {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .section-title {
        font-size: 36px;
    }
}