:root {
    /* ============ Brand palette (from Cargo Max logo: yellow + charcoal) ============ */
    --color-primary: #F7C948;        /* Cargo Max Yellow — actions & accents only */
    --color-primary-hover: #E5B83D;  /* 10% darker for hover */
    --color-primary-soft: #FEF6DC;   /* pale yellow wash */
    --color-black: #1A1A1A;          /* Primary text, headings */
    --color-charcoal: #2D2D2D;       /* Dark sections, footer */
    --color-charcoal-light: #3A3A3A;
    --color-white: #FFFFFF;

    /* Neutrals */
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F5F5F5;       /* alternating section bg */
    --color-gray-200: #E5E7EB;       /* borders, dividers */
    --color-gray-300: #D1D5DB;       /* input borders */
    --color-gray-400: #9CA3AF;       /* placeholders, muted */
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-800: #1F2937;
    --color-text-body: #4B5563;      /* body copy on white */
    --color-text-muted: #6B7280;

    /* Functional / status */
    --color-success: #10B981;
    --color-success-bg: #ECFDF5;
    --color-error: #EF4444;
    --color-error-bg: #FEF2F2;
    --color-warning: #F59E0B;
    --color-warning-bg: #FFFBEB;
    --color-info: #3B82F6;
    --color-info-bg: #EFF6FF;
    --color-whatsapp: #25D366;
    --color-whatsapp-hover: #1EBE5A;

    /* ============ Typography ============ */
    --font-heading: "Sora", "Plus Jakarta Sans", "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-body: "Inter", "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono: "Inter", "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

    /* Fluid type scale */
    --fs-h1: clamp(2.25rem, 1.6rem + 3.2vw, 3.5rem);   /* 36 → 56 */
    --fs-h2: clamp(1.75rem, 1.35rem + 2vw, 2.5rem);    /* 28 → 40 */
    --fs-h3: clamp(1.375rem, 1.15rem + 1.1vw, 1.75rem);/* 22 → 28 */
    --fs-h4: clamp(1.25rem, 1.1rem + 0.6vw, 1.375rem); /* 20 → 22 */
    --fs-h5: 1.125rem;
    --fs-body-lg: 1.125rem;
    --fs-body: 1rem;
    --fs-body-sm: 0.875rem;
    --fs-caption: 0.75rem;

    /* ============ Spacing (8pt grid) ============ */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 40px;
    --space-6: 48px;
    --space-8: 64px;
    --space-10: 80px;
    --space-12: 96px;
    --space-16: 128px;
    --space-section: clamp(64px, 4rem + 4vw, 120px);

    /* ============ Radius ============ */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* ============ Shadows ============ */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 40px -8px rgba(0,0,0,0.18), 0 10px 15px -6px rgba(0,0,0,0.08);
    --shadow-header: 0 2px 12px rgba(0,0,0,0.08);
    --focus-ring: 0 0 0 3px rgba(247, 201, 72, 0.45);

    /* ============ Structure ============ */
    --container-max: 1200px;
    --container-wide: 1320px;
    --container-pad: clamp(16px, 3vw, 32px);
    --header-height: 76px;
    --topbar-height: 40px;

    /* ============ Motion ============ */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.2, 0.7, 0.2, 1);

    /* Back-compat aliases (older component CSS referenced these) */
    --color-black-light: var(--color-charcoal);
    --container-max-width: var(--container-max);
}