/* ═══════════════════════════════════════════════
   Base Styles — Floreliva
   CSS Custom Properties + Reset + Typography
   ═══════════════════════════════════════════════ */

/* ── Design Tokens (from Botanica Heritage) ── */
:root {
    /* Primary Palette */
    --color-primary:                 #37602c;
    --color-primary-container:       #4f7942;
    --color-on-primary:              #ffffff;
    --color-on-primary-container:    #d3ffc1;
    --color-primary-fixed:           #c0f0ad;
    --color-primary-fixed-dim:       #a4d393;

    /* Secondary */
    --color-secondary:               #526442;
    --color-secondary-container:     #d2e6bc;
    --color-on-secondary:            #ffffff;

    /* Tertiary (pink accent) */
    --color-tertiary:                #7b4755;
    --color-tertiary-container:      #965e6d;
    --color-on-tertiary:             #ffffff;
    --color-on-tertiary-container:   #ffeff1;
    --color-tertiary-fixed:          #ffd9e1;
    --color-tertiary-fixed-dim:      #f8b4c4;

    /* Surface Stack (tonal layering) */
    --color-surface:                 #fbfbe2;
    --color-surface-bright:          #fbfbe2;
    --color-surface-dim:             #dbdcc3;
    --color-surface-container-lowest:#ffffff;
    --color-surface-container-low:   #f5f5dc;
    --color-surface-container:       #efefd7;
    --color-surface-container-high:  #eaead1;
    --color-surface-container-highest:#e4e4cc;
    --color-surface-variant:         #e4e4cc;
    --color-surface-tint:            #3f6833;

    /* On-Surface (text) */
    --color-on-surface:              #1b1d0e;
    --color-on-surface-variant:      #42493e;
    --color-on-background:           #1b1d0e;
    --color-background:              #fbfbe2;

    /* Outlines */
    --color-outline:                 #73796d;
    --color-outline-variant:         #c2c9bb;

    /* Error */
    --color-error:                   #ba1a1a;
    --color-error-container:         #ffdad6;

    /* Inverse */
    --color-inverse-surface:         #303221;
    --color-inverse-on-surface:      #f2f2d9;
    --color-inverse-primary:         #a4d393;

    /* ── Typography ── */
    --font-headline:  'Noto Serif', Georgia, 'Times New Roman', serif;
    --font-body:      'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Font sizes */
    --text-display-lg:   3.5rem;
    --text-display-md:   2.75rem;
    --text-display-sm:   2.25rem;
    --text-headline-lg:  2rem;
    --text-headline-md:  1.75rem;
    --text-headline-sm:  1.5rem;
    --text-title-lg:     1.375rem;
    --text-title-md:     1.125rem;
    --text-title-sm:     1rem;
    --text-body-lg:      1rem;
    --text-body-md:      0.875rem;
    --text-body-sm:      0.8125rem;
    --text-label-lg:     0.875rem;
    --text-label-md:     0.75rem;
    --text-label-sm:     0.6875rem;

    /* ── 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;
    --space-20:  5rem;
    --space-24:  6rem;

    /* ── Borders & Radius ── */
    --radius-sm:    4px;
    --radius-md:    8px;
    --radius-lg:    12px;
    --radius-xl:    16px;
    --radius-2xl:   24px;
    --radius-full:  9999px;

    /* Ghost border */
    --ghost-border: 1px solid rgba(194, 201, 187, 0.2);

    /* ── Shadows (ambient, tinted) ── */
    --shadow-sm:  0 2px 8px rgba(27, 29, 14, 0.04);
    --shadow-md:  0 4px 16px rgba(27, 29, 14, 0.05);
    --shadow-lg:  0 8px 32px rgba(27, 29, 14, 0.05);
    --shadow-xl:  0 16px 48px rgba(27, 29, 14, 0.06);

    /* ── Transitions ── */
    --transition-fast:    150ms ease;
    --transition-normal:  250ms ease;
    --transition-slow:    400ms ease;

    /* ── Container ── */
    --container-max:   1280px;
    --container-wide:  1440px;
}

/* ── CSS Reset ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-body-lg);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-primary-container);
}

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

input, textarea, select {
    font-family: var(--font-body);
    font-size: var(--text-body-md);
    color: var(--color-on-surface);
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headline);
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-on-surface);
}

h1 {
    font-size: var(--text-display-md);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--text-headline-lg);
}

h3 {
    font-size: var(--text-headline-sm);
}

h4 {
    font-size: var(--text-title-lg);
}

h5 {
    font-size: var(--text-title-md);
    font-family: var(--font-body);
    font-weight: 600;
}

h6 {
    font-size: var(--text-title-sm);
    font-family: var(--font-body);
    font-weight: 600;
}

p {
    margin-bottom: var(--space-4);
    color: var(--color-on-surface-variant);
}

p:last-child {
    margin-bottom: 0;
}

small {
    font-size: var(--text-label-md);
}

/* Screen reader text */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute !important;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: var(--color-surface-container-lowest);
    clip: auto !important;
    clip-path: none;
    display: block;
    font-size: var(--text-body-md);
    height: auto;
    left: 5px;
    padding: var(--space-4) var(--space-6);
    top: 5px;
    width: auto;
    z-index: 100000;
}

.skip-link:focus {
    position: fixed;
    top: var(--space-2);
    left: var(--space-2);
    z-index: 999999;
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: var(--color-on-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
}

/* ── Selection ── */
::selection {
    background-color: var(--color-primary-fixed);
    color: var(--color-on-primary-container);
}