/* sigmaIQ — static site styles
   1200px column, sticky header with uppercase tagline, green 300px banner
   slider with rounded bottom corners, light footer with a green top rule,
   and a light / dark theme toggle. */

/* ========== Theme Variables ========== */
:root {
    --bg-primary: #fff;
    --bg-secondary: #f9f9f9;
    --bg-card: #fff;
    --bg-footer: #f5f5f5;
    --bg-input: #fff;
    --bg-code: #f3f4f1;

    --text-primary: #333;
    --text-secondary: #555;
    --text-muted: #666;
    --text-heading: #1a1a2e;
    --text-nav: #333;
    --text-footer: #555;
    --text-footer-heading: #333;
    --text-footer-link: #85a446;
    --text-footer-bottom: #888;

    --border-color: #e0e0e0;
    --border-input: #ccc;
    --border-footer: #e0e0e0;

    --accent: #85a446;
    --accent-hover: #6f8f38;
    --accent-check: #85a446;
    --accent-rgb: 133, 164, 70;

    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.12);

    --table-even: #f9f9f9;
    --table-hover: #eef5fa;
    --submenu-hover: #f5f5f5;

    --radius: 8px;
    --max-w: 1200px;
}

[data-theme="dark"] {
    color-scheme: dark;

    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-card: #1e1e1e;
    --bg-footer: #0a0a1a;
    --bg-input: #2a2a2a;
    --bg-code: #262626;

    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #999;
    --text-heading: #e8e8e8;
    --text-nav: #e0e0e0;
    --text-footer: #b0b0b0;
    --text-footer-heading: #e0e0e0;
    --text-footer-link: #a3c95a;
    --text-footer-bottom: #777;

    --border-color: #333;
    --border-input: #444;
    --border-footer: #222;

    --accent-check: #5cd65c;

    --shadow-light: rgba(0, 0, 0, 0.3);
    --shadow-medium: rgba(0, 0, 0, 0.4);

    --table-even: #1a1a1a;
    --table-hover: #1e2a3a;
    --submenu-hover: #2a2a2a;
}

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

html, body { margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s, color 0.3s;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; }
figure { margin: 1.5em 0; text-align: center; }
figcaption { color: var(--text-secondary); font-size: 14px; text-align: center; margin-top: 12px; }

h1, h2, h3, h4 { line-height: 1.25; color: var(--text-heading); margin-top: 1.5em; margin-bottom: 0.5em; }
h1 { font-size: 32px; }
h2 { font-size: 28px; }
h3 { font-size: 20px; }
h4 { font-size: 17px; }
hr { border: 0; border-top: 1px solid var(--border-color); margin: 2em 0; }

code { background: var(--bg-code); padding: 0.1em 0.35em; border-radius: 3px; font-size: 0.92em; }
pre { background: var(--bg-code); padding: 1em; border-radius: var(--radius); overflow-x: auto; }
pre code { background: transparent; padding: 0; }

blockquote {
    border-left: 4px solid var(--accent);
    margin: 1.5em 0;
    padding: 0.5em 1em;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-radius: 0 6px 6px 0;
}

table { border-collapse: collapse; width: 100%; margin: 1.5em 0; font-size: 14px; }
th, td { padding: 10px 14px; border: 1px solid var(--border-color); text-align: left; }
th { background: var(--accent); color: #fff; font-weight: 600; }
tbody tr:nth-child(even) { background: var(--table-even); }

/* ========== Header ========== */
.site-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    max-width: var(--max-w);
    margin: 0 auto;
    transition: background-color 0.3s, border-color 0.3s;
}
.header-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    position: relative;
}
.site-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
}
.site-logo img {
    max-height: 50px;
    width: auto;
    display: block;
}
.site-tagline {
    display: block;
    font-size: 11.9px;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
    white-space: nowrap;
    text-transform: uppercase;
}

/* ========== Navigation ========== */
.main-nav { display: flex; align-items: center; }
.main-nav ul { list-style: none; margin: 0; padding: 0; }
.main-nav > ul { display: flex; gap: 5px; }
.main-nav > ul > li { position: relative; }
.main-nav a {
    display: block;
    padding: 10px 15px;
    color: var(--text-nav);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}
.main-nav a:hover,
.main-nav a.active { color: var(--accent); }

.sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow-light);
    min-width: 200px;
    z-index: 1001;
    padding: 0;
}
.main-nav > ul > li:hover > .sub-menu,
.main-nav > ul > li:focus-within > .sub-menu,
.main-nav > ul > li.open > .sub-menu { display: block; }
.sub-menu li { display: block; }
.sub-menu a { padding: 8px 15px; white-space: nowrap; }
.sub-menu a:hover { background: var(--submenu-hover); }

/* ========== Dark Mode Toggle ========== */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 15px;
    padding: 0;
    background: none;
    border: 0;
    cursor: pointer;
    font: inherit;
    font-size: 13px;
    color: var(--text-muted);
    user-select: none;
}
.theme-toggle-track {
    width: 36px;
    height: 20px;
    background: var(--border-color);
    border-radius: 10px;
    position: relative;
    transition: background 0.3s;
}
.theme-toggle-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.3s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
[data-theme="dark"] .theme-toggle-track { background: var(--accent); }
[data-theme="dark"] .theme-toggle-track::after { transform: translateX(16px); }
.theme-icon { font-size: 16px; line-height: 1; }

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
    color: var(--text-primary);
    align-self: center;
}

/* ========== Banner Slider ========== */
.product-banner {
    position: relative;
    height: 300px;
    overflow: hidden;
    background: var(--accent);
    color: #fff;
    max-width: var(--max-w);
    margin: 0 auto;
    border-radius: 0 0 var(--radius) var(--radius);
    border: 1px solid var(--accent);
}
.banner-slider > .banner-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease;
    pointer-events: none;
}
.banner-slider > .banner-slide.is-active {
    opacity: 1;
    pointer-events: auto;
}
.product-banner-inner {
    height: 100%;
    display: flex;
    align-items: stretch;
}
.product-banner-text {
    flex: 1 1 60%;
    min-width: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
}
.product-banner h1,
.product-banner h2 {
    font-size: 42px;
    line-height: 1.2;
    margin: 0 0 8px;
    color: #fff;
    border: 0;
}
.product-banner p {
    font-size: 20px;
    line-height: 1.5;
    color: #fff;
    margin: 0;
}
.product-banner p.banner-cta { margin-top: 16px; }
.product-banner-image {
    flex: 0 0 40%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 20px 20px 20px 0;
}
.product-banner-image img {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: right center;
}
.product-banner .button-outline {
    color: #fff;
    border-color: #fff;
}
.product-banner .button-outline:hover {
    background: #fff;
    color: var(--accent);
}
.banner-dots {
    position: absolute;
    bottom: 10px;
    left: 20px;
    display: flex;
    gap: 8px;
    z-index: 2;
}
.banner-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 0;
    padding: 0;
    background: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    transition: background 0.2s;
}
.banner-dot:hover,
.banner-dot.is-active { background: #fff; }
[data-theme="dark"] .product-banner h1,
[data-theme="dark"] .product-banner h2,
[data-theme="dark"] .product-banner p { text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7); }

/* ---- page banner (blog posts and docs): same green block, with the
   post's photo showing through on the right ---- */
.page-banner {
    position: relative;
    height: 300px;
    max-width: var(--max-w);
    margin: 0 auto;
    overflow: hidden;
    color: #fff;
    background-color: var(--accent);
    background-size: cover;
    background-position: right center;
    background-repeat: no-repeat;
    border-radius: 0 0 var(--radius) var(--radius);
    border: 1px solid var(--accent);
    display: flex;
    align-items: center;
}
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        rgb(var(--accent-rgb)) 0%,
        rgb(var(--accent-rgb)) 55%,
        rgba(var(--accent-rgb), 0.55) 80%,
        rgba(var(--accent-rgb), 0.2) 100%);
    pointer-events: none;
}
.page-banner-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 66%;
    padding: 20px;
}
.page-banner h1 {
    color: #fff;
    margin: 0 0 8px;
    font-size: clamp(26px, 3.2vw, 42px);
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.page-banner p {
    margin: 0;
    color: #fff;
    font-size: 18px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== Layout ========== */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 20px;
}
.section { padding: 60px 0; }
.section.alt,
.section-light { background: var(--bg-secondary); transition: background-color 0.3s; }
.section-title { text-align: center; margin-bottom: 2rem; }
.section-title h2 { margin: 0 0 10px; font-size: 30px; }
.section-title p { color: var(--text-secondary); max-width: 720px; margin: 0 auto; }

/* ========== Buttons ========== */
.button,
.btn {
    display: inline-block;
    padding: 10px 25px;
    background: var(--accent);
    color: #fff;
    border: 2px solid var(--accent);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.button:hover,
.btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}
.button-outline,
.btn-outline {
    background: transparent;
    color: var(--accent);
}
.button-outline:hover,
.btn-outline:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* ========== Product cards (home / products) ========== */
.card-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    padding: 20px 0;
}
.card-grid > .card { flex: 0 1 calc((100% - 60px) / 3); min-width: 240px; }
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    text-align: center;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s, background-color 0.3s, border-color 0.3s;
}
.card:hover { box-shadow: 0 4px 16px var(--shadow-light); }
.card-image { display: block; }
.card-image img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    padding: 15px 20px 0;
    display: block;
}
.card-body { padding: 20px; flex-grow: 1; display: flex; flex-direction: column; }
.card-body h3 { margin: 0 0 10px; font-size: 22px; font-weight: 700; }
.card-body h3 a { color: var(--accent); }
.card-body p { font-size: 14px; color: var(--text-muted); margin: 0 0 15px; }
.card-body .more { margin-top: auto; margin-bottom: 0; }

/* ========== Takeaways grid (home "Why sigmaIQ") ========== */
.takeaways-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.takeaway-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px 22px;
    transition: box-shadow 0.3s, background-color 0.3s, border-color 0.3s, transform 0.2s;
}
.takeaway-card:hover {
    box-shadow: 0 4px 16px var(--shadow-light);
    transform: translateY(-2px);
}
.takeaway-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 12px;
}
.takeaway-card h3 { font-size: 17px; margin: 0 0 10px; line-height: 1.3; }
.takeaway-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin: 0; }
@media (max-width: 1024px) { .takeaways-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .takeaways-grid { grid-template-columns: 1fr; } }

/* ========== Text block ========== */
.text-block { padding: 0 20px 20px; }
.text-block p { font-size: 16px; color: var(--text-secondary); text-align: justify; margin: 0 0 20px; }
.text-block .actions { text-align: right; }
.section-actions { text-align: center; margin-top: 40px; }
.section-actions .button + .button { margin-left: 10px; }

/* ========== Article (page / post) ========== */
.article {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 30px 20px 60px;
}
.article > :first-child,
.article .entry-content > :first-child { margin-top: 0; }
.article-title { font-size: 36px; margin: 0 0 0.5em; }
.article-meta { color: var(--text-muted); margin: 0 0 2em; font-size: 14px; }
.article-meta a { color: var(--text-muted); }
.article p,
.article li { color: var(--text-primary); }
.article ul, .article ol { padding-left: 1.4em; }
.article img { border-radius: var(--radius); }
.article figure { margin: 1.5em 0; }

/* ========== Feature rows (product pages) ========== */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin: 0;
    padding: 40px 0;
}
.feature-row + .feature-row { border-top: 1px solid var(--border-color); }
.feature-row.intro-row { align-items: start; padding-top: 10px; }
.feature-row > .feature-media { text-align: center; }
.feature-row > .feature-media img {
    max-width: 50%;
    height: auto;
    border-radius: var(--radius);
    filter: drop-shadow(0 10px 22px rgba(20, 30, 50, 0.2));
}
.feature-row.reverse > :first-child { order: 2; }
.feature-row h2 { margin-top: 0; margin-bottom: 15px; }
.feature-row p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; }
.feature-row p .button + .button,
.feature-cta .button + .button { margin-left: 10px; }

.feature-list,
.benefit-list {
    list-style: none;
    padding-left: 0;
    margin: 0.8em 0;
}
.benefit-list { columns: 2; column-gap: 40px; }
.feature-list li,
.benefit-list li {
    position: relative;
    padding: 6px 0 6px 25px;
    font-size: 15px;
    break-inside: avoid;
}
.feature-list li::before,
.benefit-list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--accent-check);
    font-weight: bold;
}
.feature-intro { text-align: center; max-width: 760px; margin: 0 auto 2rem; }
.feature-cta { text-align: center; margin: 3rem 0 1rem; }
@media (max-width: 600px) { .benefit-list { columns: 1; } }

/* ========== WordPress block layout shims ========== */
.wp-block-columns { display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 1.5em 0; }
.wp-block-column { flex: 1 1 0; min-width: 220px; }
.wp-block-image { margin: 0; }
.alignright { float: right; margin: 0 0 1em 1.5em; max-width: 50%; }
.alignleft  { float: left;  margin: 0 1.5em 1em 0; max-width: 50%; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }
@media (max-width: 600px) {
    .alignright, .alignleft { float: none; margin: 1em auto; max-width: 100%; }
    .wp-block-columns { flex-direction: column; }
}

/* ========== About page ========== */
.about-intro { margin: 0; }
.about-intro h1 { margin: 0 0 0.5rem; }
.about-intro p { font-size: 17px; color: var(--text-secondary); }
.about-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 30px;
}
.about-row:nth-of-type(even) .about-text { order: 2; }
.about-row:nth-of-type(even) .about-image { order: 1; }
.about-text p { margin: 0 0 1em; color: var(--text-secondary); line-height: 1.8; }
.about-text h2 { margin-top: 0; }
.about-image { margin: 0; }
.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.16);
    display: block;
}

/* ========== Contact page ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.contact-text h2,
.contact-form-col h2 { margin-top: 0; }
.contact-text p { margin: 0 0 1em; color: var(--text-secondary); }
.contact-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin-top: 1rem;
    box-shadow: 0 2px 12px var(--shadow-light);
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-weight: 500; font-size: 14px; color: var(--text-primary); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.25);
}
.contact-topics { margin-top: 3rem; }
.contact-topics .text-center { text-align: center; }
.contact-topics .card { color: inherit; }
.contact-topics .card h3 { color: var(--accent); }

/* ========== Blog index ========== */
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 1.25rem 0; border-bottom: 1px solid var(--border-color); }
.post-list li:last-child { border-bottom: 0; }
.post-list h3 { margin: 0 0 0.25em; }
.post-list .post-date { color: var(--text-muted); font-size: 0.9em; }

.blog-controls { margin: 0 0 2rem; display: flex; flex-direction: column; gap: 6px; }
.blog-search-label { font-weight: 500; font-size: 14px; color: var(--text-primary); }
.blog-search {
    width: 100%;
    padding: 10px 12px;
    font-size: 15px;
    font-family: inherit;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.blog-search:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.25);
}
.blog-search-status { margin: 0; color: var(--text-muted); font-size: 13px; min-height: 1.2em; }
.blog-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}
.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    color: inherit;
    transition: box-shadow 0.3s, border-color 0.3s, background-color 0.3s;
}
.blog-card:hover,
.blog-card:focus-visible {
    box-shadow: 0 4px 16px var(--shadow-light);
    color: inherit;
}
.blog-card:focus-visible { outline: 3px solid rgba(var(--accent-rgb), 0.5); outline-offset: 2px; }
.blog-card-image { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-secondary); }
.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 0;
    transition: transform 0.3s;
}
.blog-card:hover .blog-card-image img { transform: scale(1.04); }
.blog-card-image-placeholder { background: linear-gradient(135deg, var(--bg-secondary), var(--border-color)); }
.blog-card-body { padding: 20px; display: flex; flex-direction: column; flex-grow: 1; }
.blog-card-date {
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
.blog-card-title { margin: 0 0 10px; font-size: 18px; line-height: 1.3; color: var(--text-heading); }
.blog-card:hover .blog-card-title { color: var(--accent); }
.blog-card-excerpt { margin: 0 0 15px; color: var(--text-muted); font-size: 14px; line-height: 1.5; }
.blog-card-more { margin-top: auto; color: var(--accent); font-weight: 600; font-size: 14px; }
.blog-empty { margin: 2rem 0; text-align: center; color: var(--text-muted); font-style: italic; }
.blog-card.is-hidden { display: none; }
@media (max-width: 480px) { .blog-card-grid { grid-template-columns: 1fr; } }

/* ========== Docs sidebar layout ========== */
.docs-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    padding: 30px 20px 60px;
    max-width: var(--max-w);
    margin: 0 auto;
}
.docs-layout aside {
    border-right: 1px solid var(--border-color);
    padding-right: 1.5rem;
    position: sticky;
    top: 90px;
    align-self: start;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
}
.docs-layout aside ol { list-style: none; padding: 0; margin: 0; }
.docs-layout aside li { margin: 0; }
.docs-layout aside a {
    display: block;
    padding: 6px 10px;
    color: var(--text-primary);
    font-size: 14px;
    border-radius: 4px;
    line-height: 1.35;
}
.docs-layout aside a:hover { background: var(--submenu-hover); color: var(--accent); }
.docs-layout aside a.active { background: var(--accent); color: #fff; font-weight: 600; }
.docs-layout main { min-width: 0; }
.docs-layout main img { max-width: 100%; }
.docs-layout main > :first-child { margin-top: 0; }

/* ========== Footer ========== */
.site-footer {
    background: var(--bg-footer);
    color: var(--text-footer);
    padding: 40px 0 20px;
    max-width: var(--max-w);
    margin: 0 auto;
    border-top: 3px solid var(--accent);
    transition: background-color 0.3s, border-color 0.3s;
}
.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 40px;
}
.footer-section h3 {
    color: var(--text-footer-heading);
    font-size: 18px;
    margin: 0 0 15px;
}
.footer-section p { font-size: 14px; line-height: 1.8; margin: 0 0 5px; }
.footer-section a { color: var(--text-footer-link); }
.footer-section a:hover { color: var(--accent-hover); }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: 14px; }
.footer-bottom {
    max-width: var(--max-w);
    margin: 30px auto 0;
    padding: 15px 20px 0;
    border-top: 1px solid var(--border-footer);
    text-align: center;
    font-size: 13px;
    color: var(--text-footer-bottom);
}
.footer-bottom p { margin: 0; }

/* ========== Responsive ========== */
@media (max-width: 900px) {
    .card-grid > .card { flex-basis: calc((100% - 30px) / 2); }
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .site-tagline { display: none; }
    .header-inner { align-items: center; }

    .main-nav {
        display: none;
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 4px 8px var(--shadow-light);
        flex-direction: column;
        align-items: stretch;
        padding-bottom: 10px;
    }
    .main-nav.open { display: flex; }
    .main-nav > ul { flex-direction: column; gap: 0; }
    .sub-menu {
        position: static;
        box-shadow: none;
        border: none;
        background: var(--bg-secondary);
    }
    .theme-toggle { margin: 10px 15px 0; }

    .product-banner-text { flex-basis: 100%; }
    .product-banner-image { display: none; }
    .product-banner h1,
    .product-banner h2 { font-size: 28px; }
    .product-banner p { font-size: 17px; }
    .page-banner-inner { max-width: 100%; }
    .page-banner::before { background: rgba(var(--accent-rgb), 0.9); }

    .card-grid > .card { flex-basis: 100%; }
    .feature-row,
    .about-row,
    .contact-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .feature-row.reverse > :first-child,
    .about-row .about-text,
    .about-row .about-image { order: 0; }
    .footer-inner { grid-template-columns: 1fr; }

    .docs-layout { grid-template-columns: 1fr; gap: 1rem; }
    .docs-layout aside {
        position: static;
        border-right: 0;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0;
        padding-bottom: 1rem;
        max-height: none;
    }
}