:root{--color-text-primary:#333;--color-text-secondary:#555;--color-text-tertiary:#888C8E;--color-text-footer:#777;--color-text-nav:#222;--color-text-hover:#2a9d8f;--color-bg:#F8FAFC;--color-nav-bg:#E6F0F0;--color-footer-bg:#D9EAE8;--color-hover-bg:#CFE6E3;--color-border-hover:#fff;--font-primary:'Poppins',sans-serif;--font-secondary:'Roboto',sans-serif;--font-heading-weight:700;--font-body-weight:400;--line-height-body:1.6;--line-height-heading:1.2;--letter-spacing:0.5px;--text-size-body:1em;--text-size-p:1.2em;--text-size-h1:2.5em;--text-size-h2:2em;--text-size-h3:1.75em;--text-size-footer:0.9em;--spacing-nav-padding:15px;--spacing-footer-padding:20px;--spacing-gallery-gap:20px;--spacing-gallery-padding:20px 40px;--border-radius:12px;--container-max:1500px;--card-width:1fr;--spacing-quinconce-2:60px;--spacing-quinconce-3:120px;--spacing-quinconce-4:60px;--size-small:220px;--size-medium:300px;--size-large:380px}.dark-mode{--color-bg:#121212;--color-text-primary:#eee;--color-text-secondary:#bbb;--color-text-footer:#aaa;--color-text-nav:#fff;--color-nav-bg:#1e1e1e;--color-footer-bg:#1b1b1b;--color-hover-bg:#333;--color-border-hover:#fff}#toggle-theme{position:fixed;top:calc(12px + env(safe-area-inset-top));right:calc(12px + env(safe-area-inset-right));z-index:9999;background:0 0;border:none;cursor:pointer}#theme-icon{width:28px!important;height:28px!important;display:block;transition:transform .2s ease}#toggle-theme:hover #theme-icon{transform:scale(1.15)}.dark-mode section::after{background:linear-gradient(to right,transparent,rgba(255,255,255,.18),transparent)}