{# Reusable button macro. Variants: primary | secondary | ghost (default: primary). Sizes: sm | md | lg (default: md). #}
{%- macro button(text, href='#', variant='primary', size='md', icon=None, target=None, rel=None, as_button=False, type='button') -%}
{%- set variants = {
  'primary': 'grad-bg shadow-cta hover:shadow-cta-hover hover:-translate-y-px',
  'secondary': 'bg-white text-brand-navy border border-brand-border hover:bg-brand-bg',
  'ghost': 'text-white border border-white/[0.08] hover:bg-white/[0.05]'
} -%}
{%- set sizes = {
  'sm': 'px-3 py-1.5 text-sm',
  'md': 'px-5 py-2.5 text-[15px]',
  'lg': 'px-6 py-3 text-base'
} -%}
{%- set classes = variants.get(variant, variants['primary']) -%}
{%- set sizing = sizes.get(size, sizes['md']) -%}
{%- if as_button -%}
<button type="{{ type }}"
        class="inline-flex items-center justify-center gap-2 rounded-[0.75rem] font-semibold transition-all duration-200 {{ classes }} {{ sizing }}">
  <span>{{ text }}</span>
  {%- if icon -%}<span class="ml-0.5" aria-hidden="true">{{ icon | safe }}</span>{%- endif -%}
</button>
{%- else -%}
<a href="{{ href }}"
   class="inline-flex items-center justify-center gap-2 rounded-[0.75rem] font-semibold transition-all duration-200 {{ classes }} {{ sizing }}"
   {% if target %}target="{{ target }}"{% endif %}
   {% if rel %}rel="{{ rel }}"{% endif %}>
  <span>{{ text }}</span>
  {%- if icon -%}<span class="ml-0.5" aria-hidden="true">{{ icon | safe }}</span>{%- endif -%}
</a>
{%- endif -%}
{%- endmacro -%}