/* ============================================
   KERB Brand System — Design Tokens
   ============================================ */

:root {
    /* Primary palette */
    --kerb-teal: #006653;
    --kerb-teal-dark: #004D3E;
    --kerb-teal-mid: #2BB8A3;
    --kerb-white: #FFFFFF;
    --kerb-cream: #FAF2EB;
    --kerb-cream-light: #BFFFF2;
    --kerb-black: #1A1A1A;

    /* Accent */
    --kerb-mint: #94F3E4;
    --kerb-mint-light: #BFFFF2;
    --kerb-pink: #F190AE;
    --kerb-coral: #E9496E;

    /* Semantic */
    --color-success: #2BB8A3;
    --color-warning: #F190AE;
    --color-error: #E9496E;
    --color-info: #2BB8A3;

    /* Neutrals */
    --gray-50: #FAF2EB;
    --gray-100: #F0EBE3;
    --gray-200: #d4e8e3;
    --gray-300: #b8d4cf;
    --gray-400: #8aada8;
    --gray-500: #5a6a66;
    --gray-600: #445955;
    --gray-700: #2f4440;
    --gray-800: #1e2e2b;
    --gray-900: #111827;

    /* Border */
    --border: #d4e8e3;

    /* Typography */
    --font-display: 'Arial Narrow', Arial, sans-serif;
    --font-body: 'Karla', 'Arial', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.625rem;
    --radius-lg: 0.875rem;
    --radius-xl: 1.25rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 102, 83, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 102, 83, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 102, 83, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

/* ============================================
   Reset & Base
   ============================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    color: var(--kerb-black);
    background: var(--kerb-cream);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 900;
    line-height: 1.1;
    color: var(--kerb-teal);
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

a {
    color: var(--kerb-teal);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--kerb-teal-mid);
}

img {
    max-width: 100%;
    height: auto;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
    animation: fadeUp 0.35s ease;
}