/* ---------
   ld.css  -  MPH Elec Services LTD · Light / Dark Theme
   Prefix: ld-light- / ld-dark-   |   Variables: --ld-light-* / --ld-dark-*
   --------- */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700&family=Barlow:wght@400;500;600&display=swap');

/* Light Theme Variables */
:root,
[data-theme="light"] {
    --ld-light-bg:              #f5f4f0;
    --ld-light-bg2:             #ece9e1;
    --ld-light-surface:         #ffffff;
    --ld-light-surface-bright:  #fffdf5;
    --ld-light-panel:           #f0ede4;
    --ld-light-panel-raised:    #ffffff;
    --ld-light-border:          #d4cfc4;
    --ld-light-border-lit:      #b0a890;
    --ld-light-accent:          #e8b800;
    --ld-light-accent-bright:   #ffd000;
    --ld-light-accent2:         #3a3a3a;
    --ld-light-accent-bright2:  #1a1a1a;
    --ld-light-text:            #1c1c1c;
    --ld-light-muted:           #6b6558;
    --ld-light-muted-deep:      #9e9484;
    --ld-light-toggle-bg:       #e0ddd5;
    --ld-light-shadow:          rgba(0, 0, 0, 0.08);
    --ld-light-shadow-strong:   rgba(0, 0, 0, 0.16);
    --ld-light-font-display:    'Barlow Condensed', sans-serif;
    --ld-light-font-body:       'Barlow', sans-serif;

    /* Active token aliases */
    --bg:              var(--ld-light-bg);
    --bg2:             var(--ld-light-bg2);
    --surface:         var(--ld-light-surface);
    --surface-bright:  var(--ld-light-surface-bright);
    --panel:           var(--ld-light-panel);
    --panel-raised:    var(--ld-light-panel-raised);
    --border:          var(--ld-light-border);
    --border-lit:      var(--ld-light-border-lit);
    --accent:          var(--ld-light-accent);
    --accent-bright:   var(--ld-light-accent-bright);
    --accent2:         var(--ld-light-accent2);
    --accent-bright2:  var(--ld-light-accent-bright2);
    --text:            var(--ld-light-text);
    --muted:           var(--ld-light-muted);
    --muted-deep:      var(--ld-light-muted-deep);
    --toggle-bg:       var(--ld-light-toggle-bg);
    --shadow:          var(--ld-light-shadow);
    --shadow-strong:   var(--ld-light-shadow-strong);
    --font-display:    var(--ld-light-font-display);
    --font-body:       var(--ld-light-font-body);
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --ld-dark-bg:              #141414;
    --ld-dark-bg2:             #1c1c1c;
    --ld-dark-surface:         #1f1f1f;
    --ld-dark-surface-bright:  #2a2a2a;
    --ld-dark-panel:           #252525;
    --ld-dark-panel-raised:    #2e2e2e;
    --ld-dark-border:          #333333;
    --ld-dark-border-lit:      #4a4a4a;
    --ld-dark-accent:          #ffd000;
    --ld-dark-accent-bright:   #ffe040;
    --ld-dark-accent2:         #e0d8c0;
    --ld-dark-accent-bright2:  #f0ead8;
    --ld-dark-text:            #e8e4dc;
    --ld-dark-muted:           #888070;
    --ld-dark-muted-deep:      #afa396;
    --ld-dark-toggle-bg:       #2c2c2c;
    --ld-dark-shadow:          rgba(0, 0, 0, 0.4);
    --ld-dark-shadow-strong:   rgba(0, 0, 0, 0.65);
    --ld-dark-font-display:    'Barlow Condensed', sans-serif;
    --ld-dark-font-body:       'Barlow', sans-serif;

    /* Active token aliases */
    --bg:              var(--ld-dark-bg);
    --bg2:             var(--ld-dark-bg2);
    --surface:         var(--ld-dark-surface);
    --surface-bright:  var(--ld-dark-surface-bright);
    --panel:           var(--ld-dark-panel);
    --panel-raised:    var(--ld-dark-panel-raised);
    --border:          var(--ld-dark-border);
    --border-lit:      var(--ld-dark-border-lit);
    --accent:          var(--ld-dark-accent);
    --accent-bright:   var(--ld-dark-accent-bright);
    --accent2:         var(--ld-dark-accent2);
    --accent-bright2:  var(--ld-dark-accent-bright2);
    --text:            var(--ld-dark-text);
    --muted:           var(--ld-dark-muted);
    --muted-deep:      var(--ld-dark-muted-deep);
    --toggle-bg:       var(--ld-dark-toggle-bg);
    --shadow:          var(--ld-dark-shadow);
    --shadow-strong:   var(--ld-dark-shadow-strong);
    --font-display:    var(--ld-dark-font-display);
    --font-body:       var(--ld-dark-font-body);
}

/* OS Preference Fallback */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg:              var(--ld-dark-bg);
        --bg2:             var(--ld-dark-bg2);
        --surface:         var(--ld-dark-surface);
        --surface-bright:  var(--ld-dark-surface-bright);
        --panel:           var(--ld-dark-panel);
        --panel-raised:    var(--ld-dark-panel-raised);
        --border:          var(--ld-dark-border);
        --border-lit:      var(--ld-dark-border-lit);
        --accent:          var(--ld-dark-accent);
        --accent-bright:   var(--ld-dark-accent-bright);
        --accent2:         var(--ld-dark-accent2);
        --accent-bright2:  var(--ld-dark-accent-bright2);
        --text:            var(--ld-dark-text);
        --muted:           var(--ld-dark-muted);
        --muted-deep:      var(--ld-dark-muted-deep);
        --toggle-bg:       var(--ld-dark-toggle-bg);
        --shadow:          var(--ld-dark-shadow);
        --shadow-strong:   var(--ld-dark-shadow-strong);
        --font-display:    var(--ld-dark-font-display);
        --font-body:       var(--ld-dark-font-body);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-lit); }

/* Theme Toggle Button */
.ld-toggle {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 100;
    background: var(--panel-raised);
    border: 1px solid var(--border);
    border-radius: 2rem;
    padding: 0.4rem 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 2px 8px var(--shadow);
    transition: background 0.3s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.ld-toggle:hover {
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 0 4px 14px var(--shadow-strong);
}

.ld-toggle-icon {
    font-size: 1rem;
    line-height: 1;
    transition: transform 0.4s ease;
}

.ld-toggle:hover .ld-toggle-icon {
    transform: rotate(20deg);
}

/* Header / Hero */
.ld-header {
    background: var(--bg2);
    border-bottom: 2px solid var(--accent);
    padding: 3.5rem 2rem 3rem;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.ld-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
            -55deg,
            transparent,
            transparent 18px,
            rgba(255, 208, 0, 0.04) 18px,
            rgba(255, 208, 0, 0.04) 19px
    );
    pointer-events: none;
}

.ld-header-inner {
    max-width: 860px;
    margin: 0 auto;
    position: relative;
}

.ld-header-eyebrow {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.ld-header-eyebrow::before {
    content: '';
    display: inline-block;
    width: 2rem;
    height: 2px;
    background: var(--accent);
}

.ld-header-title {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    color: var(--text);
    letter-spacing: 0.01em;
    text-transform: uppercase;
}

.ld-header-title span {
    color: var(--accent);
}

.ld-header-subtitle {
    margin-top: 0.8rem;
    font-size: 1rem;
    color: var(--muted);
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* Main Content */
.ld-main {
    flex: 1;
    max-width: 860px;
    margin: 0 auto;
    width: 100%;
    padding: 3rem 2rem;
}

/* Section */
.ld-section {
    margin-bottom: 3rem;
}

.ld-section-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted-deep);
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.ld-section-title::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 1.1em;
    background: var(--accent);
    border-radius: 1px;
}

/* Blurb / About */
.ld-blurb {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    padding: 1.75rem 2rem;
    border-radius: 0 4px 4px 0;
    box-shadow: 0 2px 10px var(--shadow);
}

.ld-blurb p {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text);
    margin-bottom: 1rem;
}

.ld-blurb p:last-child {
    margin-bottom: 0;
}

/* Services Grid */
.ld-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 0.25rem;
}

.ld-service-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 2px solid var(--accent);
    padding: 1.1rem 1.25rem;
    border-radius: 0 0 4px 4px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text);
    box-shadow: 0 2px 8px var(--shadow);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.ld-service-item:hover {
    border-top-color: var(--accent-bright);
    box-shadow: 0 4px 16px var(--shadow-strong);
    transform: translateY(-2px);
}

.ld-service-icon {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* Contact */
.ld-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1rem;
}

.ld-contact-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    border-radius: 4px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ld-contact-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px var(--shadow-strong);
}

.ld-contact-card-large {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    border-radius: 4px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ld-contact-label {
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.ld-contact-value {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.02em;
}

.ld-contact-value a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

.ld-contact-value a:hover {
    color: var(--accent-bright);
    text-decoration: underline;
}

/* CTA Button */
.ld-btn {
    display: inline-block;
    background: var(--accent);
    color: var(--accent2);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    padding: 0.85rem 2rem;
    border-radius: 3px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 3px 12px rgba(255, 208, 0, 0.25);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.ld-btn:hover {
    background: var(--accent-bright);
    box-shadow: 0 5px 20px rgba(255, 208, 0, 0.4);
    transform: translateY(-1px);
}

.ld-btn:active {
    transform: translateY(0);
}

/* Footer */
.ld-footer {
    background: var(--bg2);
    border-top: 1px solid var(--border);
    padding: 1.75rem 2rem;
    margin-top: auto;
}

.ld-footer-inner {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: flex-start;
}

.ld-footer-col {
    flex: 1;
    min-width: 180px;
}

.ld-footer-heading {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted-deep);
    margin-bottom: 0.5rem;
}

.ld-footer p,
.ld-footer address {
    font-size: 0.82rem;
    color: var(--muted);
    font-style: normal;
    line-height: 1.7;
}

.ld-footer a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.ld-footer a:hover {
    color: var(--accent);
}

.ld-footer-bottom {
    max-width: 860px;
    margin: 1rem auto 0;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--muted-deep);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: space-between;
}

/* Animations */
@keyframes ld-fade-up {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ld-header-inner,
.ld-blurb,
.ld-services,
.ld-contact-grid {
    animation: ld-fade-up 0.5s ease both;
}

.ld-services    { animation-delay: 0.1s; }
.ld-contact-grid { animation-delay: 0.2s; }

/* Responsive */
@media (max-width: 600px) {
    .ld-header { padding: 2.5rem 1.25rem 2rem; }
    .ld-main   { padding: 2rem 1.25rem; }
    .ld-footer { padding: 1.5rem 1.25rem; }
    .ld-toggle { top: 1rem; right: 1rem; }
}