/*
 * IPC Base Theme — Base Stylesheet
 * ============================================================
 * Author:  Jason Ackerman <jason@overtimeagency.com>
 * Agency:  Overtime Agency (https://overtimeagency.com)
 *
 * Structure:
 *   1.  CSS Custom Properties (full variable system)
 *   2.  Reset & Base
 *   3.  Typography
 *   4.  Layout Utilities
 *   5.  Buttons
 *   6.  Site Header
 *   7.  Primary Navigation
 *   8.  Site Footer
 *   9.  Footer Navigation
 *   10. Accessibility
 *   11. Responsive — Mobile
 *
 * Child theme overrides: add a :root {} block to your child
 * theme's style.css with only the variables you want to change.
 * No structural CSS ever needs to be copied.
 * ============================================================ */


/* ============================================================
   1. CSS Custom Properties
   ============================================================ */

:root {

    /* ── Brand Colors
       Override these in child theme style.css               */
    --color-primary:          #cc0000;
    --color-primary-dark:     #990000;
    --color-primary-light:    #ff3333;
    --color-secondary:        #222222;
    --color-accent:           #f5a623;

    /* ── Neutral Palette                                     */
    --color-white:            #ffffff;
    --color-black:            #000000;
    --color-gray-100:         #f7f7f7;
    --color-gray-200:         #eeeeee;
    --color-gray-300:         #dddddd;
    --color-gray-400:         #aaaaaa;
    --color-gray-600:         #666666;
    --color-gray-800:         #333333;
    --color-text:             #222222;
    --color-text-light:       #666666;
    --color-text-inverse:     #ffffff;

    /* ── Section Backgrounds                                 */
    --color-bg-page:          #ffffff;
    --color-bg-light:         #f7f7f7;
    --color-bg-mid:           #333333;
    --color-bg-dark:          #111111;

    /* ── Typography                                          */
    --font-primary:           'Gotham', 'Helvetica Neue', Arial, sans-serif;
    --font-display:           'Gotham', 'Helvetica Neue', Arial, sans-serif;
    --font-size-base:         16px;
    --line-height-base:       1.6;
    --line-height-tight:      1.2;
    --letter-spacing-wide:    0.05em;
    --letter-spacing-wider:   0.1em;

    /* ── Spacing                                             */
    --space-xs:               0.25rem;
    --space-sm:               0.5rem;
    --space-md:               1rem;
    --space-lg:               1.5rem;
    --space-xl:               2rem;
    --space-2xl:              3rem;
    --space-3xl:              4rem;
    --space-4xl:              6rem;

    /* ── Section Padding                                     */
    --section-padding:        var(--space-3xl);
    --section-padding-sm:     var(--space-xl);
    --section-padding-lg:     var(--space-4xl);

    /* ── Layout                                              */
    --wrapper-width:          1200px;
    --wrapper-padding:        1.5rem;
    --wrapper-padding-mobile: 1rem;

    /* ── Header                                              */
    --header-top-height:      50px;
    --header-brand-height:    80px;
    --header-total-height:    130px;
    --header-top-bg:          var(--color-secondary);
    --header-brand-bg:        var(--color-primary);
    --header-text-color:      var(--color-white);
    --header-hover-color:     var(--color-accent);

    /* ── Footer                                              */
    --footer-bg:              var(--color-secondary);
    --footer-text:            var(--color-white);
    --footer-link-color:      var(--color-gray-400);
    --footer-link-hover:      var(--color-white);
    --footer-padding:         var(--space-3xl);

    /* ── Navigation                                          */
    --nav-font-size:          0.8rem;
    --nav-font-weight:        700;
    --nav-letter-spacing:     var(--letter-spacing-wide);
    --nav-item-padding:       0.75rem 1rem;
    --nav-color:              var(--color-white);
    --nav-hover-color:        var(--color-accent);

    /* ── Buttons                                             */
    --btn-padding:            0.75rem 1.75rem;
    --btn-font-size:          0.85rem;
    --btn-font-weight:        700;
    --btn-letter-spacing:     var(--letter-spacing-wide);
    --btn-radius:             3px;
    --btn-bg:                 var(--color-primary);
    --btn-color:              var(--color-white);
    --btn-bg-hover:           var(--color-primary-dark);
    --btn-border-color:       var(--color-primary);

    /* ── Borders & Radius                                    */
    --radius-sm:              3px;
    --radius-md:              6px;
    --radius-lg:              12px;
    --radius-full:            9999px;
    --border-color:           var(--color-gray-200);

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

    /* ── Shadows                                             */
    --shadow-sm:              0 1px 3px rgba(0,0,0,0.12);
    --shadow-md:              0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg:              0 8px 24px rgba(0,0,0,0.18);

    /* ── Product-specific
       Override in child theme for brand product styling     */
    --product-card-bg:            var(--color-white);
    --product-card-border:        var(--color-gray-200);
    --product-card-radius:        var(--radius-md);
    --product-flip-bg:            var(--color-secondary);
    --product-flip-text:          var(--color-white);
    --product-flip-back-bg:       var(--color-primary);
    --product-flip-back-text:     var(--color-white);
    --product-flip-width:         180px;
    --product-flip-height:        220px;
    --product-detail-bg:          var(--color-bg-page);
    --product-detail-padding:     var(--space-3xl);
    --product-nutrition-bg:       var(--color-primary);
    --product-nutrition-text:     var(--color-white);
    --product-nutrition-label:    rgba(255,255,255,0.7);
    --product-tab-active-color:   var(--color-primary);
    --product-tab-border:         var(--color-gray-200);
    --product-scroll-arrow-bg:    var(--color-primary);
    --product-scroll-arrow-color: var(--color-white);

    /* ── Recipe-specific                                     */
    --recipe-card-bg:             var(--color-white);
    --recipe-card-radius:         var(--radius-md);
    --recipe-tag-bg:              var(--color-secondary);
    --recipe-tag-text:            var(--color-white);
    --recipe-tag-hover-bg:        var(--color-primary);
    --recipe-meta-color:          var(--color-primary);
    --recipe-meta-bg:             var(--color-bg-light);
}


/* ============================================================
   2. Reset & Base
   ============================================================ */

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

p {
    margin-top: 0;
    margin-bottom: var(--space-md);
}

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

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--space-sm);
    font-family: var(--font-display);
    line-height: var(--line-height-tight);
    font-weight: 700;
    color: var(--color-text);
}

button { cursor: pointer; font-family: var(--font-primary); }
figure { margin: 0; }
hr { border: none; border-top: 1px solid var(--border-color); margin: var(--space-xl) 0; }


/* ============================================================
   3. Typography
   ============================================================ */

h1 { font-size: clamp(1.75rem, 4vw,  3rem); }
h2 { font-size: clamp(1.5rem,  3vw,  2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.1rem,  2vw,  1.35rem); }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

.eyebrow {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: var(--letter-spacing-wider);
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.section-heading {
    text-align: center;
    margin-bottom: var(--space-xl);
}


/* ============================================================
   4. Layout Utilities
   ============================================================ */

.site-wrapper {
    width: 100%;
    max-width: var(--wrapper-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--wrapper-padding);
    padding-right: var(--wrapper-padding);
}

.section      { padding-top: var(--section-padding);    padding-bottom: var(--section-padding); }
.section--sm  { padding-top: var(--section-padding-sm); padding-bottom: var(--section-padding-sm); }
.section--lg  { padding-top: var(--section-padding-lg); padding-bottom: var(--section-padding-lg); }

.section--dark  { background-color: var(--color-bg-dark); color: var(--color-text-inverse); }
.section--mid   { background-color: var(--color-bg-mid);  color: var(--color-text-inverse); }
.section--light { background-color: var(--color-bg-light); }

.section--dark h1, .section--dark h2,
.section--dark h3, .section--dark h4,
.section--mid  h1, .section--mid  h2,
.section--mid  h3, .section--mid  h4 {
    color: var(--color-white);
}

.visually-hidden,
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-upper  { text-transform: uppercase; }


/* ============================================================
   5. Buttons
   ============================================================ */

.btn {
    display: inline-block;
    padding: var(--btn-padding);
    background-color: var(--btn-bg);
    color: var(--btn-color);
    font-family: var(--font-primary);
    font-size: var(--btn-font-size);
    font-weight: var(--btn-font-weight);
    text-transform: uppercase;
    letter-spacing: var(--btn-letter-spacing);
    border: 2px solid var(--btn-border-color);
    border-radius: var(--btn-radius);
    text-decoration: none;
    cursor: pointer;
    transition:
        background-color var(--transition-base),
        border-color     var(--transition-base),
        color            var(--transition-base);
    white-space: nowrap;
}

.btn:hover,
.btn:focus-visible {
    background-color: var(--btn-bg-hover);
    border-color: var(--btn-bg-hover);
    color: var(--color-white);
    text-decoration: none;
}

.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--outline:hover,
.btn--outline:focus-visible {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn--outline-white {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn--outline-white:hover,
.btn--outline-white:focus-visible {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn--sm { padding: 0.5rem 1.25rem;  font-size: 0.75rem; }
.btn--lg { padding: 1rem 2.5rem;     font-size: 1rem; }


/* ============================================================
   6. Site Header
   ============================================================ */

.site-header {
    position: relative;
    z-index: 100;
    width: 100%;
}

.header-top {
    background-color: var(--header-top-bg);
    position: relative;
    z-index: 101;
}

.header-top .site-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-top-height);
    gap: var(--space-md);
}

.header-brand {
    background-color: var(--header-brand-bg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.header-brand .site-wrapper {
    display: flex;
    align-items: center;
    min-height: var(--header-brand-height);
}

.site-logo {
    max-height: 60px;
    width: auto;
    display: block;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    text-decoration: none;
}

.site-header.is-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: var(--shadow-md);
}

body.header-is-sticky .site-main {
    padding-top: var(--header-total-height);
}

.header-social {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.header-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.header-social a:hover { opacity: 1; }
.header-social img { width: 22px; height: 22px; object-fit: contain; }

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
}

.burger-bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-menu-toggle[aria-expanded="true"] .burger-bar:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.mobile-menu-toggle[aria-expanded="true"] .burger-bar:nth-child(2) { opacity: 0; }
.mobile-menu-toggle[aria-expanded="true"] .burger-bar:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }


/* ============================================================
   7. Primary Navigation
   ============================================================ */

.primary-nav { flex: 1; }

.primary-nav .nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.primary-nav .nav-menu li a {
    display: block;
    padding: var(--nav-item-padding);
    color: var(--nav-color);
    font-size: var(--nav-font-size);
    font-weight: var(--nav-font-weight);
    text-transform: uppercase;
    letter-spacing: var(--nav-letter-spacing);
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.primary-nav .nav-menu li a:hover,
.primary-nav .nav-menu li.current-menu-item > a,
.primary-nav .nav-menu li.current-menu-ancestor > a {
    color: var(--nav-hover-color);
}


/* ============================================================
   8. Site Footer
   ============================================================ */

.site-footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
}

.footer-main { padding: var(--footer-padding) 0; }

.footer-main .site-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
    text-align: center;
}

.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    opacity: 0.75;
    transition: opacity var(--transition-fast);
}

.footer-social a:hover { opacity: 1; }
.footer-social img { width: 24px; height: 24px; object-fit: contain; }

.footer-copyright {
    font-size: 0.78rem;
    color: var(--footer-link-color);
    margin: 0;
}

.footer-bg { line-height: 0; }
.footer-bg img { width: 100%; display: block; }


/* ============================================================
   9. Footer Navigation
   ============================================================ */

.footer-nav .footer-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm) var(--space-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-nav .footer-menu li a {
    color: var(--footer-link-color);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-nav .footer-menu li a:hover { color: var(--footer-link-hover); }


/* ============================================================
   10. Accessibility
   ============================================================ */

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    z-index: 999;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    transition: top var(--transition-fast);
    text-decoration: none;
}

.skip-link:focus { top: var(--space-md); }

:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
:focus:not(:focus-visible) { outline: none; }


/* ============================================================
   11. Responsive — Mobile
   ============================================================ */

@media ( max-width: 768px ) {

    :root {
        --wrapper-padding:    var(--wrapper-padding-mobile);
        --section-padding:    var(--space-2xl);
        --section-padding-lg: var(--space-3xl);
    }

    .mobile-menu-toggle { display: flex; }

    .primary-nav {
        display: none;
        width: 100%;
        order: 10;
        background-color: var(--color-bg-dark);
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    .primary-nav.is-open { display: block; }

    .primary-nav .nav-menu {
        flex-direction: column;
        align-items: stretch;
    }

    .primary-nav .nav-menu li {
        border-bottom: 1px solid rgba(255,255,255,0.07);
    }

    .primary-nav .nav-menu li a {
        padding: var(--space-md) var(--wrapper-padding-mobile);
    }

    .header-top .site-wrapper {
        flex-wrap: wrap;
        padding-top: var(--space-sm);
        padding-bottom: var(--space-sm);
    }

    .header-social { order: 2; }
    .mobile-menu-toggle { order: 3; }
    .site-logo { max-height: 44px; }
}

@media ( max-width: 480px ) {
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.4rem; }
    h3 { font-size: 1.2rem; }
}