.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 22px;
    border: 2px solid transparent;
    border-radius: 999px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.01em;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
}

.btn:hover { text-decoration: none; }
.btn--small, .btn-sm { padding: 11px 18px; font-size: 13px; }

/* Marketing button variants — used on the home/marketing pages.
   Two-hyphen BEM naming matches the design system. */
.btn--primary {
    background-color: var(--ink);
    color: var(--cream);
}
.btn--primary:hover {
    background-color: var(--pink);
    transform: translateY(-2px);
}

.btn--ghost {
    background-color: transparent;
    color: var(--ink);
    border-color: var(--ink);
}
.btn--ghost:hover {
    background-color: var(--ink);
    color: var(--cream);
}

.btn--invert {
    background-color: var(--cream);
    color: var(--ink);
}
.btn--invert:hover {
    background-color: var(--pink);
    color: var(--cream);
    transform: translateY(-2px);
}

.btn--pink {
    background-color: var(--pink);
    color: var(--cream);
}
.btn--pink:hover { background-color: var(--pink-deep); }

/* Legacy single-hyphen variants — used by auth + admin forms. */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--cream);
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--cream-2);
    border-color: var(--ink-soft);
}

.btn-danger {
    background-color: var(--color-error);
    color: var(--cream);
}
.btn-danger:hover {
    filter: brightness(0.95);
}