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.u-title-lg{font-size:clamp(1.5rem,2.75vw,2rem)}.u-muted{color:var(--palette-on-surface-variant)}.u-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem 2rem;border-radius:var(--radius-btn);font-family:var(--font-headline);font-weight:700;font-size:1.125rem;letter-spacing:.01em;transition:transform .15s ease,filter .2s ease,background .2s ease}.u-btn--primary{background:linear-gradient(135deg,var(--palette-primary) 0%,var(--palette-primary-container) 100%);color:#fff;box-shadow:var(--shadow-elevated)}.u-btn--primary:hover{filter:saturate(1.05)}.u-btn--primary:active{transform:scale(.98)}.u-btn--ghost{border:1px solid var(--c-ghost-border);background:var(--c-surface);color:var(--c-ink);box-shadow:none}.u-btn--hero-ghost{border:1px solid 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