/* =========================================
   EDU CENTER SPECIFIC STYLES
   ========================================= */

/* =========================================
   MODULE GUIDE PAGE STYLES (shared by all 5 guides)
   ========================================= */

:root {
    --gd-brand: #0E7A3C;
    --gd-brand-soft: #E7F4EC;
    --gd-brand-ink: #0A4A24;
    --gd-amber: #F59E0B;
    --gd-amber-soft: #FEF3C7;
    --gd-paper: #FAFAF7;
    --gd-ink: #0A0A0A;
    --gd-ink-2: #1F2937;
    --gd-muted: #6B7280;
    --gd-line: #E5E7EB;
    --gd-line-soft: #F3F4F6;
}

body.gd-body {
    background: #fff;
    color: var(--gd-ink-2);
    font-family: 'Mulish', system-ui, sans-serif;
    line-height: 1.6;
}

/* Guide header */
.gd-header {
    background: linear-gradient(180deg, #0A4A24 0%, #0E7A3C 100%);
    color: #fff;
    padding: 120px 24px 60px;
    position: relative;
    overflow: hidden;
}
.gd-header::after {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 85% 25%, rgba(255,255,255,0.06), transparent 50%);
    pointer-events: none;
}
.gd-header-inner {
    max-width: 1100px; margin: 0 auto; position: relative; z-index: 1;
}
.gd-back {
    display: inline-flex; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.75);
    text-decoration: none; font-size: 0.875rem;
    margin-bottom: 28px; transition: color 200ms;
}
.gd-back:hover { color: #fff; }
.gd-back svg { transition: transform 200ms; }
.gd-back:hover svg { transform: translateX(-3px); }

.gd-eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
    font-weight: 700; color: var(--gd-amber);
    margin-bottom: 14px;
}
.gd-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--gd-amber); }

.gd-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    font-weight: 700;
    margin: 0 0 18px;
    max-width: 760px;
    color: #fff;
}
.gd-title em {
    font-family: 'Instrument Serif', Georgia, serif;
    font-style: italic; font-weight: 400; color: #FBE89A;
}
.gd-lede {
    font-size: 1.1rem;
    line-height: 1.55;
    color: rgba(255,255,255,0.85);
    max-width: 600px;
    margin: 0 0 32px;
}
.gd-meta {
    display: flex; flex-wrap: wrap; gap: 22px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,0.18);
    font-size: 0.85rem; color: rgba(255,255,255,0.75);
}
.gd-meta strong { color: #fff; font-weight: 700; }

/* Guide body layout — main + TOC */
.gd-shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 24px 80px;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 60px;
    align-items: start;
}
@media (max-width: 900px) {
    .gd-shell { grid-template-columns: 1fr; gap: 24px; padding: 40px 20px 60px; }
}

.gd-toc {
    position: sticky;
    top: 100px;
    align-self: start;
    font-size: 0.875rem;
}
@media (max-width: 900px) {
    .gd-toc {
        position: relative; top: 0;
        background: var(--gd-paper);
        border: 1px solid var(--gd-line);
        border-radius: 10px;
        padding: 18px 20px;
    }
}
.gd-toc-label {
    font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
    font-weight: 700; color: var(--gd-muted);
    margin-bottom: 14px;
}
.gd-toc ul { list-style: none; padding: 0; margin: 0; }
.gd-toc ul li { margin: 0; }
.gd-toc ul a {
    display: block;
    padding: 7px 0 7px 14px;
    border-left: 2px solid var(--gd-line);
    color: var(--gd-muted);
    text-decoration: none;
    transition: all 150ms;
    line-height: 1.4;
}
.gd-toc ul a:hover, .gd-toc ul a.is-active {
    color: var(--gd-brand);
    border-left-color: var(--gd-brand);
    background: var(--gd-brand-soft);
}

/* Main content */
.gd-main h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gd-ink);
    letter-spacing: -0.01em;
    margin: 56px 0 16px;
    padding-top: 12px;
    line-height: 1.2;
}
.gd-main h2:first-child { margin-top: 0; }
.gd-main h3 {
    font-size: 1.15rem; font-weight: 700;
    color: var(--gd-ink); margin: 36px 0 12px;
    letter-spacing: -0.005em;
}
.gd-main p {
    font-size: 1rem;
    color: var(--gd-ink-2);
    line-height: 1.7;
    margin: 0 0 16px;
}
.gd-main p a { color: var(--gd-brand); text-decoration: underline; text-underline-offset: 2px; }
.gd-main strong { color: var(--gd-ink); font-weight: 700; }
.gd-main code {
    background: var(--gd-line-soft);
    border: 1px solid var(--gd-line);
    padding: 1px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
    font-size: 0.85em;
    color: var(--gd-ink);
}
.gd-main ol, .gd-main ul {
    padding-left: 22px;
    margin: 0 0 22px;
}
.gd-main ol li, .gd-main ul li {
    margin-bottom: 8px;
    line-height: 1.65;
}
.gd-main ol li::marker { color: var(--gd-brand); font-weight: 700; }

/* Mockup figure with caption */
.gd-figure {
    margin: 28px 0 8px;
    border: 1px solid var(--gd-line);
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 8px 22px -16px rgba(0,0,0,0.18);
}
.gd-figure-frame {
    background: var(--gd-paper);
    padding: 0;
    border-bottom: 1px solid var(--gd-line);
    line-height: 0;
}
.gd-figure-frame svg { width: 100%; height: auto; display: block; }
.gd-figure-cap {
    padding: 14px 18px;
    font-size: 0.85rem;
    color: var(--gd-muted);
    background: #fff;
    line-height: 1.5;
}
.gd-figure-cap strong { color: var(--gd-ink); font-weight: 700; }

/* Callouts */
.gd-callout {
    margin: 24px 0;
    padding: 16px 18px 14px 50px;
    border-radius: 10px;
    border: 1px solid;
    position: relative;
    font-size: 0.92rem;
    line-height: 1.6;
}
.gd-callout::before {
    content: ''; position: absolute;
    left: 16px; top: 18px;
    width: 22px; height: 22px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 18px 18px;
}
.gd-callout-info {
    background: var(--gd-brand-soft);
    border-color: rgba(14,122,60,0.25);
    color: var(--gd-brand-ink);
}
.gd-callout-info::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%230A4A24' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 16v-4M12 8h.01'/%3E%3C/svg%3E");
}
.gd-callout-warning {
    background: var(--gd-amber-soft);
    border-color: rgba(245,158,11,0.35);
    color: #92400E;
}
.gd-callout-warning::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2392400E' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10.29 3.86 1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z'/%3E%3Cpath d='M12 9v4M12 17h.01'/%3E%3C/svg%3E");
}
.gd-callout-tip {
    background: #ECFEFF;
    border-color: rgba(14,116,144,0.25);
    color: #155E75;
}
.gd-callout-tip::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23155E75' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 18h6M10 22h4M12 2a7 7 0 0 0-4 12.7c.6.6 1 1.4 1 2.3v1h6v-1c0-.9.4-1.7 1-2.3A7 7 0 0 0 12 2z'/%3E%3C/svg%3E");
}
.gd-callout strong { font-weight: 700; }

/* Glossary table */
.gd-glossary {
    margin: 18px 0;
    border: 1px solid var(--gd-line);
    border-radius: 10px;
    overflow: hidden;
}
.gd-glossary dl { margin: 0; }
.gd-glossary > dl > div {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0;
    border-bottom: 1px solid var(--gd-line);
}
.gd-glossary > dl > div:last-child { border-bottom: 0; }
.gd-glossary dt {
    padding: 14px 18px;
    background: var(--gd-paper);
    font-weight: 700;
    color: var(--gd-ink);
    font-size: 0.92rem;
    border-right: 1px solid var(--gd-line);
}
.gd-glossary dd {
    margin: 0;
    padding: 14px 18px;
    font-size: 0.92rem;
    color: var(--gd-ink-2);
    line-height: 1.55;
}
@media (max-width: 640px) {
    .gd-glossary > dl > div { grid-template-columns: 1fr; }
    .gd-glossary dt { border-right: 0; border-bottom: 1px solid var(--gd-line-soft); }
}

/* FAQ */
.gd-faq { margin: 18px 0; }
.gd-faq details {
    border: 1px solid var(--gd-line);
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
    background: #fff;
    transition: border-color 150ms;
}
.gd-faq details[open] { border-color: var(--gd-brand); }
.gd-faq summary {
    padding: 16px 18px;
    cursor: pointer;
    font-weight: 600;
    color: var(--gd-ink);
    font-size: 0.98rem;
    list-style: none;
    position: relative;
    padding-right: 44px;
}
.gd-faq summary::-webkit-details-marker { display: none; }
.gd-faq summary::after {
    content: '+'; position: absolute;
    right: 20px; top: 50%; transform: translateY(-50%);
    font-size: 1.4rem; font-weight: 400;
    color: var(--gd-muted);
    transition: transform 200ms;
}
.gd-faq details[open] summary::after { content: '−'; color: var(--gd-brand); }
.gd-faq summary:hover { background: var(--gd-paper); }
.gd-faq details > p {
    padding: 0 18px 18px;
    margin: 0;
    color: var(--gd-ink-2);
    font-size: 0.94rem;
    line-height: 1.65;
}

/* Footer nav between guides */
.gd-footnav {
    margin-top: 60px;
    padding-top: 32px;
    border-top: 2px solid var(--gd-line);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
@media (max-width: 640px) { .gd-footnav { grid-template-columns: 1fr; } }
.gd-footnav-card {
    border: 1px solid var(--gd-line);
    border-radius: 10px;
    padding: 16px 18px;
    text-decoration: none;
    transition: all 200ms;
    display: block;
}
.gd-footnav-card:hover {
    border-color: var(--gd-brand);
    background: var(--gd-brand-soft);
}
.gd-footnav-label {
    font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
    font-weight: 700; color: var(--gd-muted); margin-bottom: 6px;
}
.gd-footnav-title { font-size: 1.05rem; font-weight: 700; color: var(--gd-ink); }
.gd-footnav-card.is-next { text-align: right; }

/* CTA box */
.gd-cta {
    margin: 36px 0 0;
    background: var(--gd-brand);
    color: #fff;
    border-radius: 12px;
    padding: 26px 28px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px; flex-wrap: wrap;
}
.gd-cta-text h3 { color: #fff; margin: 0 0 4px; font-size: 1.2rem; font-weight: 700; }
.gd-cta-text p { color: rgba(255,255,255,0.85); margin: 0; font-size: 0.95rem; }
.gd-cta-btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; color: var(--gd-brand);
    padding: 12px 22px; border-radius: 8px;
    font-weight: 700; text-decoration: none;
    transition: transform 150ms;
}
.gd-cta-btn:hover { transform: translateY(-1px); }

/* Placeholder card for missing screenshots */
.gd-placeholder {
    margin: 28px 0 8px;
    border: 1.5px dashed var(--gd-line);
    border-radius: 10px;
    padding: 32px 24px;
    text-align: center;
    background: var(--gd-paper);
    color: var(--gd-muted);
    font-size: 0.92rem;
}
.gd-placeholder strong { color: var(--gd-ink); display: block; margin-bottom: 4px; }

/* Hero Section */
.edu-hero {
    background-color: #021a1f;
    /* Dark background matching image */
    padding: 180px 0 80px;
    /* Extra top padding to account for fixed header logo */
    border-bottom: 1px solid #11292d;
    min-height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.edu-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.edu-hero-content {
    max-width: 800px;
}

.edu-hero-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #e2e8f0;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.edu-hero-label .box {
    width: 8px;
    height: 8px;
    background-color: #fff;
    display: inline-block;
}

.edu-hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.15;
    font-weight: 500;
    color: #fff;
    letter-spacing: -0.02em;
    margin: 0 0 40px 0;
    /* Space below title for search bar */
}

/* Edu Search Bar */
.edu-search-container {
    max-width: 500px;
    position: relative;
    display: flex;
    align-items: center;
}

.edu-search-input {
    width: 100%;
    padding: 16px 20px 16px 48px;
    border-radius: 6px;
    border: none;
    font-size: 1rem;
    color: #333;
    outline: none;
}

.edu-search-input::placeholder {
    color: #94a3b8;
}

.edu-search-icon {
    position: absolute;
    left: 16px;
    color: #64748b;
    font-size: 1.1rem;
}

.edu-search-shortcut {
    position: absolute;
    right: 12px;
    background-color: #f1f5f9;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #64748b;
    font-family: monospace;
}

/* Categories Grid */
.edu-categories-section {
    padding: 60px 0 80px;
    background-color: #ffffff;
    /* Light background */
    border-bottom: 1px solid #eaeaea;
}

.edu-categories-header {
    margin-bottom: 24px;
}

.edu-categories-title {
    color: #111111;
    font-size: 0.95rem;
    font-weight: 400;
    margin: 0;
}

.edu-categories-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 0;
    /* Removing gap to create seamless grid */
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
    padding-bottom: 0px;
    border-top: 1px solid #eaeaea;
    border-left: 1px solid #eaeaea;
}

.edu-categories-grid::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari and Opera */
}

.edu-category-card {
    flex: 0 0 clamp(280px, 30vw, 320px);
    scroll-snap-align: start;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 0;
    border-right: 1px solid #eaeaea;
    border-bottom: 1px solid #eaeaea;
    transition: background-color 0.2s ease;
    padding: 16px;
    /* Added internal padding around the image block to match screenshot */
}

.edu-category-card:hover {
    background-color: #fafafa;
}

.edu-category-img-box {
    width: 100%;
    aspect-ratio: 1 / 1;
    display: block;
    margin-bottom: 20px;
    overflow: hidden;
}

.edu-category-img-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.edu-category-text h3 {
    font-size: 1.15rem;
    font-weight: 400;
    color: #111;
    margin: 0 0 8px 0;
}

.edu-category-text p {
    font-size: 0.95rem;
    color: #666;
    /* Muted gray text for subtitle */
    margin: 0;
}

/* Category Controls (Dots & Arrows) */
.edu-categories-controls {
    display: none;
    /* Hidden on desktop by default as user requested mobile specifically, but can be shown if needed */
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
}

@media (max-width: 768px) {
    .edu-categories-controls {
        display: flex;
    }
}

.edu-categories-dots {
    display: flex;
    gap: 8px;
    align-items: center;
}

.edu-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #334155;
    transition: all 0.3s ease;
    cursor: pointer;
}

.edu-dot.active {
    width: 16px;
    border-radius: 100px;
    background-color: #f1f5f9;
}

.edu-categories-arrows {
    display: flex;
    gap: 12px;
}

.edu-arrow-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #334155;
    background: transparent;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.edu-arrow-btn:hover {
    color: #fff;
    border-color: #64748b;
}

.edu-arrow-btn:active {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Latest Articles (Featured) */
.edu-articles-section {
    padding: 80px 0;
    background-color: #fafafa;
}

.edu-section-title {
    font-size: 2.5rem;
    font-weight: 500;
    color: #111;
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 1px solid #111;
}

.edu-articles-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 40px;
    padding-bottom: 24px;
    /* for scrollbar if any */
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.edu-articles-grid::-webkit-scrollbar {
    display: none;
}

.edu-article-card {
    flex: 0 0 clamp(300px, 35vw, 400px);
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.edu-article-card:hover .edu-article-title {
    color: #4f46e5;
}

.edu-article-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 24px;
    background-color: #eee;
}

.edu-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.edu-article-card:hover .edu-article-image img {
    transform: scale(1.03);
}

.edu-article-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.edu-article-category {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: #666;
}

.edu-article-title {
    font-size: 1.75rem;
    line-height: 1.3;
    font-weight: 500;
    color: #111;
    margin: 0;
    transition: color 0.2s ease;
}

.edu-article-excerpt {
    font-size: 1.125rem;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

/* Base resets & adjustments */
.main-content {
    padding-top: 0;
    /* Removing generic databank padding */
}

/* Article Page Specifics */
@media (max-width: 768px) {
    .edu-hero {
        padding: 180px 0 60px;
        /* Increased padding top to prevent overlap with logo text */
        min-height: auto;
    }
}

.edu-article-page {
    background-color: #fff;
    padding-bottom: 80px;
}

.edu-article-header {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 0 40px;
    text-align: center;
}

.edu-article-header .edu-article-category {
    font-size: 1rem;
    color: #4f46e5;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 16px;
    display: inline-block;
}

.edu-article-header .edu-article-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.2;
    font-weight: 500;
    color: #111;
    letter-spacing: -0.02em;
    margin: 0 0 24px 0;
}

.edu-article-subtitle {
    font-size: 1.25rem;
    color: #666;
    line-height: 1.6;
    margin: 0 0 48px 0;
}

.edu-article-hero-image {
    width: 100%;
    max-height: 600px;
    border-radius: 12px;
    overflow: hidden;
    background-color: #eee;
    margin-bottom: 64px;
    display: block;
}

.edu-article-hero-image img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    object-position: center;
}

.edu-article-body {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.7;
    color: #333;
}

.edu-article-body h2 {
    font-size: 2rem;
    font-weight: 500;
    color: #111;
    margin: 48px 0 24px;
    letter-spacing: -0.01em;
}

.edu-article-body h3 {
    font-size: 1.5rem;
    font-weight: 500;
    color: #111;
    margin: 32px 0 16px;
}

.edu-article-body p {
    margin-bottom: 24px;
}

.edu-article-body blockquote {
    margin: 32px 0;
    padding: 24px 32px;
    border-left: 4px solid #4f46e5;
    background-color: #f9f9f9;
    font-size: 1.25rem;
    font-style: italic;
    color: #111;
}

.edu-article-body ul {
    margin-bottom: 24px;
    padding-left: 24px;
}

.edu-article-body li {
    margin-bottom: 12px;
}

/* Mobile Logo Spacing & Layout */
#edu-hero-logo {
    position: absolute !important;
    top: 32px;
    left: 40px;
    z-index: 1200;
}

@media (max-width: 768px) {
    #edu-hero-logo {
        top: 20px;
        left: 20px;
    }

    .logo-wrapper {
        gap: 6px !important;
    }

    .logo-wrapper .brand-text {
        margin-top: 0 !important;
    }
}

/* ============================================
   Dynamic Auth Links Colors
   ============================================ */
.auth-fixed .nav-link {
    color: #ffffff !important;
    transition: color 0.3s ease;
}

.auth-fixed.scrolled .nav-link {
    color: #050c26 !important;
}

.auth-fixed .btn-black {
    background-color: #ffffff !important;
    color: #000000 !important;
    border: 1px solid #ffffff !important;
    transition: all 0.3s ease;
}

.auth-fixed.scrolled .btn-black {
    background-color: #000000 !important;
    color: #ffffff !important;
    border: 1px solid #000000 !important;
}

/* ============================================
   Edu Center Global Mobile Overrides
   ============================================ */
body {
    overflow-x: hidden;
}

.edu-hero {
    overflow-x: hidden;
}

.mobile-menu-btn {
    color: #ffffff !important;
    transition: color 0.3s ease;
}

.mobile-menu-btn.scrolled {
    color: #050c26 !important;
}
/* Guide screenshots — real product captures */
.guide-screenshot {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
}
.gd-figure {
    margin: 28px 0;
}
.gd-figure figcaption {
    margin-top: 10px;
    font-size: 13px;
    color: #64748b;
    text-align: center;
    line-height: 1.5;
}