/* ============================================================
   Buttons — ARC purple primary with circular arrow
   ============================================================ */
.btn { display: inline-flex; align-items: center; gap: 0.65rem; font-family: var(--font-sans); font-weight: 700; font-size: 0.98rem; padding: 0.7rem 0.8rem 0.7rem 1.4rem; border-radius: 999px; border: 1.5px solid transparent; cursor: pointer; transition: transform var(--dur) var(--ease), background .25s, color .25s, border-color .25s; line-height: 1; white-space: nowrap; }
.btn:active { transform: translateY(1px); }
/* circular arrow chip on the right */
.btn .chip { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: rgba(255,255,255,.18); transition: transform var(--dur) var(--ease), background .25s; }
.btn .chip svg { width: 14px; height: 14px; }
.btn:hover .chip { transform: translateX(3px); }

/* primary = ARC purple pill */
.btn--primary { background: var(--purple); color: var(--text-invert); box-shadow: 0 10px 24px rgba(128,80,240,.18); }
.btn--primary:hover { background: var(--blue); border-color: color-mix(in srgb, var(--blue) 76%, var(--purple)); box-shadow: 0 14px 30px rgba(31,160,239,.22); }
.btn--primary .chip { background: rgba(255,255,255,.16); }

/* green pill (on dark/ink sections) */
.btn--green { background: var(--green); color: var(--ink); }
.btn--green:hover { background: #27bd6f; }
.btn--green .chip { background: rgba(22,20,15,.14); }

/* outline (light bg) — no chip needed but supported */
.btn--outline { background: transparent; color: var(--purple); border-color: color-mix(in srgb, var(--purple) 72%, var(--line)); padding-inline: 1.4rem; }
.btn--outline:hover { background: var(--purple); border-color: var(--purple); color: var(--text-invert); }

/* ghost on ink */
.btn--ghost { background: transparent; color: var(--text-invert); border-color: var(--line-dark); padding-inline: 1.4rem; }
.btn--ghost:hover { border-color: var(--purple); color: var(--purple); }

.btn--lg { font-size: 1.05rem; padding: 0.85rem 0.9rem 0.85rem 1.6rem; }
.btn--lg .chip { width: 34px; height: 34px; }
.btn--sm { font-size: 0.9rem; padding: 0.5rem 0.6rem 0.5rem 1.1rem; }
.btn--sm .chip { width: 26px; height: 26px; }

/* plain text link with arrow */
.link-arrow { font-weight: 700; color: var(--purple); display: inline-flex; align-items: center; gap: 0.4rem; }
.link-arrow:hover { color: var(--blue); }
.link-arrow svg { width: 15px; height: 15px; transition: transform var(--dur) var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }