/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0a0a0a;
    --bg-alt: #111111;
    --text: #e0e0e0;
    --text-muted: #999999;
    --accent: #00a8ff;
    --accent-glow: rgba(0, 168, 255, 0.15);
    --card-bg: #161616;
    --card-border: #222222;
    --radius: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
    background: radial-gradient(ellipse at 50% 30%, rgba(0, 168, 255, 0.06) 0%, transparent 70%);
}

.hero-label {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.2rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero-tagline {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    color: var(--accent);
    margin-bottom: 32px;
    letter-spacing: 0.05em;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-alt {
    background-color: var(--bg-alt);
}

.section h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.section-lead {
    font-size: 1.15rem;
    color: var(--accent);
    margin-bottom: 48px;
    font-weight: 400;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color 0.3s;
}

.card:hover {
    border-color: var(--accent);
}

.card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Two Column */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.two-col h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
}

.two-col p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* Feature List */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.feature {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border: 1px solid rgba(0, 168, 255, 0.2);
    border-radius: var(--radius);
}

.feature h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.feature p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* Query Examples */
.query-examples {
    margin: 36px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.query {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 20px 24px;
    font-size: 1rem;
    color: var(--text);
    display: flex;
    gap: 12px;
    align-items: baseline;
}

.query-prompt {
    color: var(--accent);
    font-weight: 700;
    font-family: 'Courier New', monospace;
    flex-shrink: 0;
}

.product-note {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 24px;
    font-style: italic;
}

/* Pitch Grid */
.pitch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.pitch-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 32px;
}

.pitch-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
}

.pitch-quote {
    color: var(--text);
    font-size: 1.05rem;
    line-height: 1.7;
    font-style: italic;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--card-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 6px;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0, 168, 255, 0.4);
}

.timeline-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* Summary Table */
.summary-table-wrapper {
    overflow-x: auto;
}

.summary-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.summary-table th,
.summary-table td {
    text-align: left;
    padding: 16px 20px;
    border-bottom: 1px solid var(--card-border);
}

.summary-table th {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: var(--card-bg);
}

.summary-table td {
    color: var(--text-muted);
}

.summary-table td strong {
    color: #ffffff;
    font-weight: 600;
}

.summary-table tr:hover td {
    background: rgba(0, 168, 255, 0.03);
}

/* Footer */
.footer {
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid var(--card-border);
}

.footer-brand {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 300;
    letter-spacing: 0.1em;
}

/* Responsive */
@media (max-width: 768px) {
    .section {
        padding: 64px 0;
    }

    .two-col {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature {
        flex-direction: column;
        gap: 16px;
    }

    .card-grid,
    .pitch-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: 32px;
    }

    .timeline-marker {
        left: -32px;
        width: 12px;
        height: 12px;
    }

    .summary-table th,
    .summary-table td {
        padding: 12px 14px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 60px 16px;
    }

    .query {
        padding: 16px;
        font-size: 0.9rem;
    }
}