:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent: #e94560;
    --accent-hover: #c73a52;
    --accent-secondary: #0f3460;
    --success: #4ecca3;
    --warning: #f0a500;

    --font-heading: 'JetBrains Mono', monospace;
    --font-body: 'Inter', sans-serif;
    --size-hero: 2.75rem;
    --size-h1: 2rem;
    --size-h2: 1.5rem;
    --size-h3: 1.25rem;
    --size-body: 1rem;
    --size-small: 0.875rem;
    --line-height: 1.7;

    --section-gap: 5rem;
    --content-max-width: 780px;
    --page-padding: 1.5rem;
    --component-gap: 1.5rem;

    --border-radius: 4px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --transition: 0.2s ease;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--size-body);
    line-height: var(--line-height);
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

h1, h2, h3 { font-family: var(--font-heading); line-height: 1.25; color: var(--text-primary); }
h1 { font-size: var(--size-hero); margin-bottom: 1rem; }
h2 { font-size: var(--size-h1); margin-bottom: 0.75rem; }
h3 { font-size: var(--size-h3); margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 var(--page-padding);
}

/* Nav */
.nav {
    background: var(--bg-secondary);
    padding: 0.75rem var(--page-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}
.nav-logo {
    font-family: var(--font-heading);
    font-size: var(--size-h2);
    color: var(--accent) !important;
    font-weight: 700;
}
.nav-links { display: flex; gap: 1.25rem; align-items: center; }
.nav-links a { color: var(--text-secondary); font-size: var(--size-small); }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--text-primary); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: var(--size-small);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: var(--bg-primary); color: var(--text-primary); border: 1px solid var(--text-secondary); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-small { padding: 0.5rem 1rem; font-size: var(--size-small); }

/* Sections */
.section { padding: var(--section-gap) 0; }
.section-alt { background: var(--bg-secondary); }

/* Hero */
.hero {
    padding: 6rem 0 5rem;
    text-align: center;
}
.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Blockquote */
blockquote {
    border-left: 3px solid var(--accent);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    font-style: italic;
    background: rgba(233, 69, 96, 0.05);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* Pillars */
.pillars { display: grid; gap: 2rem; margin-top: 2rem; }
.pillar {
    background: var(--bg-primary);
    padding: 1.75rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border-top: 3px solid var(--accent);
}
.pillar h3 { color: var(--accent); }
.pillar .pillar-body { color: var(--text-secondary); font-size: 0.95rem; }

/* Feature grid */
.features { display: grid; gap: 1.5rem; margin-top: 2rem; }
.feature {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}
.feature h3 { font-size: var(--size-body); margin-bottom: 0.25rem; }
.feature p { color: var(--text-secondary); font-size: var(--size-small); margin: 0; }

/* CTA section */
.cta-section { text-align: center; }
.cta-section p { color: var(--text-secondary); max-width: 500px; margin: 0 auto 1.5rem; }

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 2.5rem var(--page-padding);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--size-small);
}
.footer-tagline {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-size: var(--size-body);
    margin-bottom: 0.5rem;
}
.footer-links { margin-top: 1rem; display: flex; gap: 1.5rem; justify-content: center; }

/* Responsive */
@media (min-width: 768px) {
    .pillars { grid-template-columns: repeat(3, 1fr); }
    .features { grid-template-columns: repeat(2, 1fr); }
    h1 { font-size: 3rem; }
}
@media (min-width: 1024px) {
    .features { grid-template-columns: repeat(3, 1fr); }
    .hero { padding: 8rem 0 6rem; }
}
@media (max-width: 600px) {
    .nav-links { display: none; }
    h1 { font-size: 2rem; }
    .hero { padding: 4rem 0 3rem; }
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}