:root {
    /* Paleta institucional — vinho / branco / grafite */
    --color-primary: #5c1a2b;
    --color-primary-dark: #401220;
    --color-primary-light: #7c2c40;
    --color-white: #ffffff;
    --color-background: #ffffff;
    --color-surface: #f7f4f3;
    --color-surface-dark: #f1eceb;
    --color-text: #241f21;
    --color-text-muted: #5c5457;
    --color-border: #e2dcda;
    --color-graphite: #2c2a2b;
    --color-graphite-light: #454142;
    --color-success: #2e6b45;
    --color-error: #a3242c;

    /* Tipografia */
    --font-heading: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;

    --fs-h1: clamp(2rem, 1.5rem + 2.2vw, 3.25rem);
    --fs-h2: clamp(1.6rem, 1.3rem + 1.4vw, 2.35rem);
    --fs-h3: clamp(1.25rem, 1.1rem + 0.7vw, 1.6rem);
    --fs-lead: clamp(1.05rem, 1rem + 0.3vw, 1.25rem);
    --fs-base: 1rem;
    --fs-small: 0.9rem;

    /* Espaçamento */
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 3rem;
    --space-6: 4.5rem;
    --space-7: 6.5rem;

    /* Layout */
    --container-width: 1200px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(36, 31, 33, 0.08);
    --shadow-md: 0 8px 24px rgba(36, 31, 33, 0.10);
    --header-height: 136px;
    --header-height-scrolled: 104px;

    --transition-fast: 160ms ease;
    --transition-base: 240ms ease;
}