@import url('https://fonts.googleapis.com/css2?family=Saira:wght@100;200;300;400;500;600;700;800&display=swap');

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

:root {
    --bg-dark: hsl(220, 15%, 8%);
    --bg-darker: hsl(220, 15%, 4%);
    --electric-blue: hsl(195, 65%, 55%);
    --electric-blue-dim: hsl(195, 45%, 40%);
    --text-white: hsl(0, 0%, 95%);
    --text-gray: hsl(0, 0%, 65%);
    --text-dim: hsl(0, 0%, 45%);
    --accent-green: hsl(160, 60%, 50%);
    --accent-red: hsl(0, 55%, 55%);
}

body {
    font-family: 'Saira', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 100;
    background: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.9;
    pointer-events: none;
}

.bg-animation canvas {
    display: block;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* Navigation */
nav {
    padding: 2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 300;
    background: linear-gradient(135deg, var(--electric-blue), var(--text-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 4rem 0;
    position: relative;
}

.hero-logo {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 100;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--electric-blue), var(--text-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
    letter-spacing: 0.05em;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 3.5rem);
    font-weight: 200;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-white), var(--electric-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero h2 {
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 100;
    color: var(--text-gray);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto 3rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* Buttons */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 200;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--electric-blue);
    border: 2px solid var(--electric-blue);
}

.btn-secondary:hover {
    background: var(--electric-blue);
    color: var(--bg-dark);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 8rem 0;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 100;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(135deg, var(--text-white), var(--electric-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#problem .section-title {
    margin: 0 auto 2rem;
    font-size: clamp(2rem, 5vw, 1.5rem);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

#problem .section-subtitle {
    margin: 0 auto 2rem;
    font-size: 1.15rem;
}

#solution .section-subtitle {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    color: var(--text-white);
    margin-bottom: 2rem;
    line-height: 1.5;
}

#solution .section-subtitle strong {
    background: linear-gradient(135deg, var(--electric-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 200;
}

.subsection-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 100;
    margin: 3rem 0 2rem;
    text-align: center;
    color: var(--electric-blue);
}

#solution .subsection-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin: 4rem 0 3rem;
    background: linear-gradient(135deg, var(--electric-blue), var(--text-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

#solution .subsection-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--electric-blue), transparent);
    margin: 1rem auto 0;
}

/* The Gap Section */
#problem {
    position: relative;
    padding: 2rem 0;
}

.gap-list {
    max-width: 750px;
    margin: 2rem auto;
    background: rgba(255, 50, 50, 0.03);
    border: 1px solid rgba(255, 50, 50, 0.15);
    border-radius: 12px;
    padding: 2rem 1.5rem;
}

.gap-list p {
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    color: var(--text-white);
    margin: 1rem 0;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    border-left: 3px solid var(--accent-red);
    transition: all 0.3s ease;
}

.gap-list p:hover {
    background: rgba(255, 50, 50, 0.08);
    border-left-color: var(--accent-red);
    border-left-width: 4px;
}

.gap-list p strong {
    font-weight: 300;
}

/* Problem Section */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.problem-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--electric-blue);
    transform: translateY(-5px);
}

.problem-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.5rem;
    font-weight: 100;
    margin-bottom: 1rem;
    color: var(--electric-blue);
}

.problem-card p {
    color: var(--text-gray);
}

/* Comparison Grid */
.comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin: 4rem 0;
}

.comparison-col {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 3rem;
    transition: all 0.3s ease;
}

.comparison-col:hover {
    border-color: var(--electric-blue);
    transform: scale(1.02);
}

.comparison-col h3 {
    font-size: 2rem;
    font-weight: 100;
    margin-bottom: 2rem;
    text-align: center;
}

.comparison-col.traditional h3 {
    color: var(--accent-red);
}

.comparison-col.autopoiesi h3 {
    color: var(--accent-green);
}

.comparison-col ul {
    list-style: none;
}

.comparison-col li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-gray);
}

.comparison-col li:last-child {
    border-bottom: none;
}

.comparison-col li::before {
    content: "→ ";
    color: var(--electric-blue);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* How It Works */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.step {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.step:hover {
    background: rgba(0, 212, 255, 0.05);
    border-color: var(--electric-blue);
    transform: translateY(-10px);
}

.step-number {
    font-size: 3rem;
    font-weight: 100;
    color: var(--electric-blue);
    margin-bottom: 1rem;
    opacity: 0.3;
}

.step h3 {
    font-size: 1.5rem;
    font-weight: 100;
    margin-bottom: 1rem;
    color: var(--electric-blue);
}

.step p {
    color: var(--text-gray);
}

/* Live Example */
.live-example {
    margin: 4rem 0;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 3rem;
}

.metrics-display {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 12px;
}

.metrics-display p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

.insight-quote {
    margin: 2rem auto;
    padding: 2rem;
    max-width: 700px;
    background: rgba(0, 212, 255, 0.03);
    border-left: 3px solid var(--electric-blue);
    border-radius: 8px;
}

.insight-quote p {
    color: var(--text-gray);
    margin: 0.5rem 0;
}

.insight-quote p:first-child {
    color: var(--electric-blue);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(0, 212, 255, 0.05);
    border-color: var(--electric-blue);
    transform: translateY(-5px);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 100;
    margin-bottom: 1rem;
    color: var(--electric-blue);
}

.feature-card p {
    color: var(--text-gray);
}

#solution .feature-card {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.03), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(0, 212, 255, 0.15);
    position: relative;
    overflow: hidden;
}

#solution .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--electric-blue), var(--accent-green));
    opacity: 0;
    transition: opacity 0.3s ease;
}

#solution .feature-card:hover::before {
    opacity: 1;
}

#solution .feature-card:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(255, 255, 255, 0.04));
    border-color: var(--electric-blue);
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.15);
}

#solution .feature-card h3 {
    font-size: 1.4rem;
    font-weight: 200;
}

#solution .feature-card p {
    color: var(--text-white);
    line-height: 1.7;
}

/* Use Cases */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.use-case {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.use-case:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--electric-blue);
    transform: scale(1.05);
}

.use-case .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.use-case h3 {
    font-size: 1.25rem;
    font-weight: 100;
    margin-bottom: 0.5rem;
    color: var(--electric-blue);
}

.use-case .detail {
    font-size: 0.9rem;
    color: var(--text-gray);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.use-case:hover .detail {
    opacity: 1;
    max-height: 200px;
    margin-top: 1rem;
}

/* Use Cases Grid - Built for Complex Operations */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.use-case-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.use-case-card:hover {
    background: rgba(0, 212, 255, 0.05);
    border-color: var(--electric-blue);
    transform: translateY(-5px);
}

.use-case-card h3 {
    font-size: 1.5rem;
    font-weight: 100;
    margin-bottom: 1rem;
    color: var(--electric-blue);
}

.use-case-card p {
    color: var(--text-gray);
    font-size: 1rem;
}

/* Integrations */
.integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.integration {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    font-weight: 200;
    color: var(--text-gray);
    transition: all 0.3s ease;
}

.integration:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--electric-blue);
    color: var(--electric-blue);
    transform: scale(1.05);
}

/* Philosophy Section */
.philosophy {
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: 4rem;
    text-align: center;
    margin: 4rem 0;
}

.philosophy h3 {
    font-size: 2.5rem;
    font-weight: 100;
    margin-bottom: 2rem;
    color: var(--electric-blue);
}

.philosophy p {
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto 1rem;
}

.philosophy .highlight {
    color: var(--electric-blue);
    font-weight: 200;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.05));
    border: 2px solid var(--electric-blue);
    border-radius: 20px;
    padding: 5rem 3rem;
    text-align: center;
    margin: 4rem 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 100;
    margin-bottom: 1.5rem;
}

.cta-section p {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

.cta-section .small-text {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-top: 2rem;
}

.cta-meta {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-top: 2rem;
}

/* Footer */
footer {
    margin: 10rem 0 10rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 1rem;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-tagline {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    margin-bottom: 3rem;
    padding-top: 1rem;
    color: var(--text-dim);
    font-size: 0.9rem;
}


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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .comparison {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    #solution .section-emphasis::before {
        display: none;
    }

    #solution .section-emphasis {
        padding: 2rem 1.5rem;
    }

    .gap-list {
        padding: 1.5rem 1rem;
    }

    .gap-list p {
        padding: 0.75rem;
        font-size: 1rem;
        margin: 0.75rem 0;
    }

    #problem .section-emphasis {
        padding: 1.25rem;
        font-size: 1.1rem;
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Section-specific text styles */
.section-lead {
    text-align: center;
    max-width: 800px;
    margin: 2rem auto;
    font-size: 1.25rem;
    color: var(--text-gray);
}

.section-emphasis {
    text-align: center;
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    color: var(--text-white);
    margin-top: 3rem;
    line-height: 1.7;
    font-weight: 200;
}

#problem .section-emphasis {
    max-width: 750px;
    margin: 2rem auto 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: clamp(1.1rem, 2vw, 1.3rem);
}

#solution .section-emphasis {
    max-width: 900px;
    margin: 4rem auto 0;
    padding: 2rem 3rem;
    background: linear-gradient(135deg, rgba(160, 255, 160, 0.05), rgba(0, 212, 255, 0.05));
    border: 2px solid rgba(160, 255, 160, 0.2);
    border-radius: 16px;
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    position: relative;
}

#solution .section-emphasis::before {
    content: '✓';
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: var(--accent-green);
    opacity: 0.6;
}

.section-wide-lead {
    text-align: center;
    max-width: 900px;
    margin: 2rem auto 4rem;
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-gray);
    line-height: 1.8;
}

#solution .section-wide-lead {
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 12px;
    padding: 2rem;
    color: var(--text-white);
}

.features-grid-spaced {
    margin-top: 3rem;
}

#solution .features-grid-spaced {
    margin-top: 3rem;
    margin-bottom: 2rem;
}

.text-gray-span {
    color: var(--text-gray);
}

.text-white-span {
    color: var(--text-white);
}

.cta-large-text {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.about-intro {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.about-text-extended {
    margin-bottom: 2rem;
}

.about-text-highlight {
    font-size: 1.1rem;
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.about-emphasis {
    font-size: 1.25rem;
    color: var(--text-white);
    margin-top: 2rem;
}

.about-mission {
    font-size: 1.25rem;
    color: var(--text-white);
    margin-top: 2rem;
}

.etymology-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.etymology-intro {
    font-size: 1.1rem;
    color: var(--electric-blue);
    margin-bottom: 1.5rem;
}

.etymology-description {
    margin-top: 1.5rem;
    font-style: italic;
}