/*
 Theme Name:   Unify
 Theme URI:    https://unify-studio.co.uk
 Description:  Unify Studio base WordPress theme. Use as a parent theme for all client child themes.
 Author:       Unify Studio
 Author URI:   https://unify-studio.co.uk
 Version:      1.0.0
 License:      GNU General Public License v2 or later
 License URI:  http://www.gnu.org/licenses/gpl-2.0.html
 Text Domain:  unify
 Tags:         custom-colors, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ══════════════════════════════════════════════════════
   UNIFY — CSS Custom Properties
   Override these in your child theme's style.css
   ══════════════════════════════════════════════════════ */

:root {

    /* ── Colours ── */
    --unify-primary:        #000000;
    --unify-secondary:      #333333;
    --unify-accent:         #000000;
    --unify-bg:             #ffffff;
    --unify-bg-alt:         #f5f5f5;
    --unify-text:           #1a1a1a;
    --unify-text-muted:     #666666;
    --unify-border:         rgba(0, 0, 0, 0.1);
    --unify-white:          #ffffff;
    --unify-black:          #000000;

    /* ── Typography ── */
    --unify-font-heading:   Georgia, serif;
    --unify-font-body:      -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --unify-font-mono:      'Courier New', monospace;

    --unify-size-xs:        0.75rem;
    --unify-size-sm:        0.875rem;
    --unify-size-base:      1rem;
    --unify-size-md:        1.125rem;
    --unify-size-lg:        1.25rem;
    --unify-size-xl:        1.5rem;
    --unify-size-2xl:       2rem;
    --unify-size-3xl:       clamp(2rem, 4vw, 3rem);
    --unify-size-4xl:       clamp(2.5rem, 5vw, 4rem);
    --unify-size-5xl:       clamp(3rem, 7vw, 6rem);

    --unify-line-height:    1.7;
    --unify-line-tight:     1.2;
    --unify-line-loose:     1.9;

    --unify-weight-light:   300;
    --unify-weight-normal:  400;
    --unify-weight-medium:  500;
    --unify-weight-semi:    600;
    --unify-weight-bold:    700;

    /* ── Spacing ── */
    --unify-space-xs:       0.25rem;
    --unify-space-sm:       0.5rem;
    --unify-space-md:       1rem;
    --unify-space-lg:       1.5rem;
    --unify-space-xl:       2rem;
    --unify-space-2xl:      3rem;
    --unify-space-3xl:      4rem;
    --unify-space-4xl:      clamp(3rem, 7vw, 6rem);
    --unify-space-section:  clamp(3rem, 8vw, 8rem);

    /* ── Layout ── */
    --unify-max-width:      1200px;
    --unify-max-width-text: 760px;
    --unify-max-width-wide: 1400px;
    --unify-gutter:         clamp(1rem, 4vw, 2.5rem);

    /* ── Borders & Radius ── */
    --unify-radius-sm:      2px;
    --unify-radius-md:      4px;
    --unify-radius-lg:      8px;
    --unify-radius-xl:      16px;
    --unify-radius-pill:    50px;
    --unify-radius-circle:  50%;

    /* ── Shadows ── */
    --unify-shadow-sm:      0 1px 4px rgba(0, 0, 0, 0.08);
    --unify-shadow-md:      0 4px 16px rgba(0, 0, 0, 0.1);
    --unify-shadow-lg:      0 8px 32px rgba(0, 0, 0, 0.12);
    --unify-shadow-xl:      0 16px 48px rgba(0, 0, 0, 0.15);

    /* ── Transitions ── */
    --unify-transition:     0.3s ease;
    --unify-transition-fast: 0.15s ease;
    --unify-transition-slow: 0.5s ease;

    /* ── Z-index scale ── */
    --unify-z-below:        -1;
    --unify-z-base:         0;
    --unify-z-raised:       10;
    --unify-z-dropdown:     100;
    --unify-z-sticky:       200;
    --unify-z-overlay:      300;
    --unify-z-modal:        400;
    --unify-z-toast:        500;

    /* ── Nav ── */
    --unify-nav-height:     70px;
    --unify-nav-bg:         var(--unify-white);
    --unify-nav-color:      var(--unify-text);
    --unify-nav-logo-height: 40px;
}


/* ══════════════════════════════════════════════════════
   BASE RESET & GLOBAL STYLES
   ══════════════════════════════════════════════════════ */

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

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

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

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

a {
    color: var(--unify-primary);
    text-decoration: none;
    transition: color var(--unify-transition), opacity var(--unify-transition);
}

a:hover {
    opacity: 0.75;
}

/* ── Headings ── */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--unify-font-heading);
    font-weight: var(--unify-weight-normal);
    line-height: var(--unify-line-tight);
    color: var(--unify-primary);
    margin: 0 0 0.75em;
}

h1 { font-size: var(--unify-size-5xl); }
h2 { font-size: var(--unify-size-4xl); }
h3 { font-size: var(--unify-size-3xl); }
h4 { font-size: var(--unify-size-2xl); }
h5 { font-size: var(--unify-size-xl); }
h6 { font-size: var(--unify-size-lg); }

p {
    margin: 0 0 1.25em;
    font-size: var(--unify-size-base);
    line-height: var(--unify-line-height);
    color: var(--unify-text);
}

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

ul, ol {
    padding-left: 1.5em;
    margin: 0 0 1.25em;
}

li {
    margin-bottom: 0.35em;
    line-height: var(--unify-line-height);
}

blockquote {
    margin: var(--unify-space-xl) 0;
    padding: var(--unify-space-lg) var(--unify-space-xl);
    border-left: 3px solid var(--unify-primary);
    font-size: var(--unify-size-lg);
    font-style: italic;
    color: var(--unify-secondary);
}

hr {
    border: none;
    border-top: 1px solid var(--unify-border);
    margin: var(--unify-space-2xl) 0;
}

code, pre {
    font-family: var(--unify-font-mono);
    font-size: 0.9em;
    background: var(--unify-bg-alt);
    border-radius: var(--unify-radius-sm);
}

code {
    padding: 0.2em 0.4em;
}

pre {
    padding: var(--unify-space-lg);
    overflow-x: auto;
    margin: 0 0 1.25em;
}

:focus-visible {
    outline: 2px solid var(--unify-accent);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}


/* ══════════════════════════════════════════════════════
   LAYOUT UTILITIES
   ══════════════════════════════════════════════════════ */

.unify-inner {
    max-width: var(--unify-max-width);
    margin-inline: auto;
    padding-inline: var(--unify-gutter);
}

.unify-inner--wide {
    max-width: var(--unify-max-width-wide);
    margin-inline: auto;
    padding-inline: var(--unify-gutter);
}

.unify-inner--text {
    max-width: var(--unify-max-width-text);
    margin-inline: auto;
    padding-inline: var(--unify-gutter);
}

.unify-section {
    padding-block: var(--unify-space-section);
}

.unify-section--sm {
    padding-block: var(--unify-space-2xl);
}

.unify-section--lg {
    padding-block: clamp(5rem, 12vw, 12rem);
}


/* ══════════════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════════════ */

.unify-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--unify-nav-height);
    background: var(--unify-nav-bg);
    z-index: var(--unify-z-sticky);
    transition: transform var(--unify-transition), background var(--unify-transition), box-shadow var(--unify-transition);
}

.unify-nav.is-scrolled {
    box-shadow: var(--unify-shadow-sm);
}

.unify-nav.is-hidden {
    transform: translateY(-100%);
}

.unify-nav__inner {
    max-width: var(--unify-max-width);
    margin-inline: auto;
    padding-inline: var(--unify-gutter);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--unify-space-xl);
}

/* Logo */
.unify-nav__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
    color: var(--unify-nav-color);
}

.unify-nav__logo img {
    height: var(--unify-nav-logo-height);
    width: auto;
}

.unify-nav__logo-text {
    font-family: var(--unify-font-heading);
    font-size: var(--unify-size-xl);
    font-weight: var(--unify-weight-bold);
    color: var(--unify-nav-color);
    text-decoration: none;
}

/* Primary menu */
.unify-nav__menu {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--unify-space-lg);
}

.unify-nav__menu a {
    font-family: var(--unify-font-body);
    font-size: var(--unify-size-sm);
    font-weight: var(--unify-weight-medium);
    color: var(--unify-nav-color);
    text-decoration: none;
    transition: opacity var(--unify-transition);
}

.unify-nav__menu a:hover {
    opacity: 0.6;
}

.unify-nav__menu .current-menu-item > a {
    opacity: 0.5;
}

/* Burger */
.unify-nav__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

.unify-nav__burger span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--unify-nav-color);
    transition: transform var(--unify-transition), opacity var(--unify-transition);
}

.unify-nav__burger.is-open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.unify-nav__burger.is-open span:nth-child(2) {
    opacity: 0;
}

.unify-nav__burger.is-open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile nav */
.unify-nav__mobile {
    display: none;
    position: fixed;
    inset: 0;
    top: var(--unify-nav-height);
    background: var(--unify-nav-bg);
    z-index: calc(var(--unify-z-sticky) - 1);
    padding: var(--unify-space-2xl) var(--unify-gutter);
    overflow-y: auto;
}

.unify-nav__mobile.is-open {
    display: block;
}

.unify-nav__mobile-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--unify-space-md);
}

.unify-nav__mobile-menu a {
    font-family: var(--unify-font-heading);
    font-size: var(--unify-size-3xl);
    font-weight: var(--unify-weight-normal);
    color: var(--unify-nav-color);
    text-decoration: none;
    display: block;
    transition: opacity var(--unify-transition);
}

.unify-nav__mobile-menu a:hover {
    opacity: 0.5;
}

@media (max-width: 768px) {
    .unify-nav__menu {
        display: none;
    }
    .unify-nav__burger {
        display: flex;
    }
}


/* ══════════════════════════════════════════════════════
   MAIN CONTENT OFFSET
   ══════════════════════════════════════════════════════ */

.unify-main {
    padding-top: var(--unify-nav-height);
}


/* ══════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════ */

.unify-footer {
    background: var(--unify-primary);
    color: var(--unify-white);
    padding-block: var(--unify-space-2xl);
}

.unify-footer__inner {
    max-width: var(--unify-max-width);
    margin-inline: auto;
    padding-inline: var(--unify-gutter);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--unify-space-xl);
    align-items: center;
}

.unify-footer__logo img {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.unify-footer__copy {
    font-size: var(--unify-size-xs);
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
    margin-top: var(--unify-space-sm);
}

.unify-footer__social {
    display: flex;
    gap: var(--unify-space-md);
    align-items: center;
}

.unify-footer__social a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: var(--unify-size-sm);
    transition: color var(--unify-transition);
}

.unify-footer__social a:hover {
    color: var(--unify-white);
    opacity: 1;
}

.unify-footer__bar {
    margin-top: var(--unify-space-xl);
    padding-top: var(--unify-space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--unify-space-md);
}

.unify-footer__nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--unify-space-lg);
    flex-wrap: wrap;
}

.unify-footer__nav a {
    font-size: var(--unify-size-xs);
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color var(--unify-transition);
}

.unify-footer__nav a:hover {
    color: var(--unify-white);
    opacity: 1;
}

@media (max-width: 640px) {
    .unify-footer__inner {
        grid-template-columns: 1fr;
    }
}


/* ══════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════ */

.unify-btn {
    display: inline-block;
    font-family: var(--unify-font-body);
    font-size: var(--unify-size-sm);
    font-weight: var(--unify-weight-medium);
    line-height: 1;
    padding: 14px 28px;
    border-radius: var(--unify-radius-md);
    border: 1.5px solid var(--unify-primary);
    background: var(--unify-primary);
    color: var(--unify-white);
    text-decoration: none;
    cursor: pointer;
    transition: background var(--unify-transition), color var(--unify-transition), border-color var(--unify-transition), transform var(--unify-transition-fast);
}

.unify-btn:hover {
    opacity: 1;
    transform: translateY(-1px);
}

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

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

.unify-btn--pill {
    border-radius: var(--unify-radius-pill);
}

.unify-btn--sm {
    font-size: var(--unify-size-xs);
    padding: 10px 20px;
}

.unify-btn--lg {
    font-size: var(--unify-size-base);
    padding: 18px 36px;
}


/* ══════════════════════════════════════════════════════
   UTILITY CLASSES
   ══════════════════════════════════════════════════════ */

.unify-pill {
    display: inline-block;
    font-size: var(--unify-size-xs);
    font-weight: var(--unify-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 5px 14px;
    border-radius: var(--unify-radius-pill);
    background: var(--unify-primary);
    color: var(--unify-white);
    line-height: 1;
}

.unify-eyebrow {
    display: block;
    font-size: var(--unify-size-xs);
    font-weight: var(--unify-weight-semi);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--unify-text-muted);
    margin-bottom: var(--unify-space-sm);
}

.unify-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    font-size: var(--unify-size-sm);
    font-weight: var(--unify-weight-medium);
    color: var(--unify-primary);
    text-decoration: none;
    transition: gap var(--unify-transition);
}

.unify-link::after {
    content: '→';
    transition: transform var(--unify-transition);
}

.unify-link:hover {
    opacity: 1;
    gap: 0.6em;
}

/* Visibility */
.unify-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Half background utility */
.unify-half-bg--top {
    position: relative;
}

.unify-half-bg--top::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        var(--unify-white) 0%,
        var(--unify-white) 50%,
        var(--unify-bg-alt) 50%,
        var(--unify-bg-alt) 100%
    );
    z-index: 0;
}

.unify-half-bg--top > * {
    position: relative;
    z-index: 1;
}