/* SEO Backlinks — Typography */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text-light);
}

h1 {
    font-size: clamp(2.4rem, 5.5vw, 4.4rem);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.05;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

h3 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

h5 {
    font-size: 1.05rem;
    font-weight: 600;
}

h6 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
}

p {
    color: var(--color-text-medium);
    line-height: 1.7;
}

p.lead {
    font-size: 1.2rem;
    color: var(--color-text-medium);
    line-height: 1.65;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-secondary);
    padding: 0.4rem 0.85rem;
    background: var(--color-secondary-dim);
    border: 1px solid rgba(34, 211, 238, 0.3);
    border-radius: var(--radius-full);
}

.eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-secondary);
    box-shadow: 0 0 8px var(--color-secondary);
    animation: pulseGlow 2s ease-in-out infinite;
}

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

.text-muted   { color: var(--color-text-muted); }
.text-medium  { color: var(--color-text-medium); }

.mono {
    font-family: var(--font-mono);
    font-size: 0.85em;
}

.section-heading {
    text-align: center;
    margin-bottom: 4rem;
}

.section-heading .eyebrow {
    margin-bottom: 1.25rem;
}

.section-heading h2 {
    margin-bottom: 1rem;
}

.section-heading p {
    max-width: 620px;
    margin: 0 auto;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .section-heading {
        margin-bottom: 2.5rem;
    }
    p.lead {
        font-size: 1.05rem;
    }
}