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

:root {
    --color-deep-charcoal: #1A1A1A;
    --color-midnight-blue: #0D1B2A;
    --color-digital-violet: #7F5AF0;
    --color-signal-orange: #FF9F1C;
    --color-off-white: #F4F4F9;
    --color-mid-gray: #8B8D93;
    --transition-speed: 0.3s;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-deep-charcoal);
    color: var(--color-off-white);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(180deg, var(--color-deep-charcoal) 0%, rgba(13, 27, 42, 0.3) 100%);
}

.background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    z-index: 1;
}

#networkCanvas {
    width: 100%;
    height: 100%;
}

.logo {
    text-align: center;
    margin-bottom: 3rem;
}

.logo svg {
    width: 200px;
    height: 50px;
}

.logo-text {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 32px;
    font-weight: 500;
    fill: var(--color-off-white);
    letter-spacing: 0.05em;
}

.logo-zero {
    fill: var(--color-digital-violet);
    font-weight: 700;
}

.hero-headline {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--color-off-white);
}

.hero-subheadline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    text-align: center;
    color: var(--color-mid-gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Fade-in Animations */
.fade-in {
    animation: fadeInUp 1s ease-out;
}

.fade-in-delayed {
    animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pillars Section */
.pillars {
    padding: 5rem 0;
    background: var(--color-deep-charcoal);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    text-align: center;
}

.pillar {
    padding: 2rem;
    transition: transform var(--transition-speed) ease;
}

.pillar:hover {
    transform: translateY(-5px);
}

.pillar-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    color: var(--color-mid-gray);
    transition: color var(--transition-speed) ease;
}

.pillar:hover .pillar-icon {
    color: var(--color-digital-violet);
}

.pillar-text {
    font-size: 1rem;
    color: var(--color-mid-gray);
    line-height: 1.8;
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--color-deep-charcoal) 0%, var(--color-midnight-blue) 100%);
    min-height: 50vh;
    display: flex;
    align-items: center;
}

.cta-headline {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--color-off-white);
}

.cta-subheadline {
    font-size: 1.125rem;
    text-align: center;
    color: var(--color-mid-gray);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

/* Form Styles */
.email-form {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.email-input {
    flex: 1;
    min-width: 280px;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--color-off-white);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
}

.email-input::placeholder {
    color: rgba(139, 141, 147, 0.6);
}

.email-input:focus {
    outline: none;
    border-color: var(--color-digital-violet);
    background: rgba(255, 255, 255, 0.08);
}

.submit-button {
    padding: 1rem 2rem;
    background: var(--color-digital-violet);
    color: var(--color-off-white);
    border: none;
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    white-space: nowrap;
}

.submit-button:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}

.submit-button:active {
    transform: scale(0.98);
}

/* Messages */
.success-message,
.error-message {
    text-align: center;
    font-size: 1rem;
    margin-top: 1.5rem;
    transition: all var(--transition-speed) ease;
}

.success-message {
    color: var(--color-mid-gray);
}

.error-message {
    color: var(--color-signal-orange);
}

.hidden {
    display: none;
    opacity: 0;
}

.show {
    display: block;
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 2rem 0;
    }

    .hero-headline {
        font-size: 2rem;
    }

    .hero-subheadline {
        font-size: 1rem;
    }

    .pillars {
        padding: 3rem 0;
    }

    .pillars-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .pillar {
        padding: 1.5rem;
    }

    .cta {
        padding: 3rem 0;
    }

    .email-form {
        flex-direction: column;
        gap: 1rem;
    }

    .email-input {
        width: 100%;
        min-width: auto;
    }

    .submit-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-headline {
        font-size: 1.75rem;
    }

    .hero-subheadline {
        font-size: 0.9rem;
    }

    .cta-headline {
        font-size: 1.5rem;
    }

    .cta-subheadline {
        font-size: 1rem;
    }
}