/**
 * Theme Name: KoreaData
 * Theme URI: https://koreadata.org
 * Description: KoreaData - ?쒓뎅 鍮낅뜲?댄꽣 諛⑸쾿濡??뚮옯?? * Version: 2.0.0
 * Author: KoreaData Team
 * Text Domain: koreadata
 */

:root {

@import url('assets/css/main.css');

    --kd-navy: #1a365d;
    --kd-navy-light: #2d4a7a;
    --kd-cyan: #06b6d4;
    --kd-cyan-light: #22d3ee;
    --kd-dark: #0f172a;
    --kd-gray: #64748b;
    --kd-gray-light: #94a3b8;
    --kd-bg: #f8fafc;
    --kd-white: #ffffff;
    --kd-border: #e2e8f0;
    --kd-success: #10b981;
    --kd-warning: #f59e0b;
    --kd-danger: #ef4444;
    --kd-purple: #8b5cf6;
    --kd-radius: 12px;
    --kd-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --kd-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);

    --kd-pestel-political: #E74C3C;
    --kd-pestel-economic: #F39C12;
    --kd-pestel-social: #2ECC71;
    --kd-pestel-technological: #3498DB;
    --kd-pestel-environmental: #1ABC9C;
    --kd-pestel-legal: #9B59B6;

    --kd-tool-spss: #E74C3C;
    --kd-tool-stata: #F39C12;
    --kd-tool-r: #3498DB;
    --kd-tool-python: #2ECC71;

    --kd-level-beginner-bg: #dcfce7;
    --kd-level-beginner-text: #166534;
    --kd-level-intermediate-bg: #fef3c7;
    --kd-level-intermediate-text: #92400e;
    --kd-level-advanced-bg: #fce7f3;
    --kd-level-advanced-text: #9d174d;

    --kd-code-text: #e0d8cc;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', 'Noto Sans KR', -apple-system, sans-serif;
    color: var(--kd-dark);
    background: var(--kd-bg);
    line-height: 1.6;
}

.kd-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== HEADER ===== */
.kd-header {
    background: var(--kd-white);
    border-bottom: 1px solid var(--kd-border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.kd-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.kd-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--kd-navy);
}
.kd-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--kd-navy), var(--kd-cyan));
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}
.kd-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.kd-nav a {
    text-decoration: none;
    color: var(--kd-gray);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.kd-nav a:hover { color: var(--kd-navy); }
.kd-nav-cta { margin-left: 0.5rem; }
.kd-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.kd-mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--kd-navy);
    transition: 0.3s;
}
.kd-mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.kd-mobile-toggle.active span:nth-child(2) { opacity: 0; }
.kd-mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.kd-hero {
    background: linear-gradient(135deg, var(--kd-navy) 0%, var(--kd-dark) 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
}
.kd-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}
.kd-hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 2.5rem;
}
.kd-hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
}
.kd-stat { text-align: center; }
.kd-stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--kd-cyan);
}
.kd-stat-label {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
}
.kd-hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ===== BUTTONS ===== */
.kd-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}
.kd-btn-primary {
    background: var(--kd-cyan);
    color: white;
}
.kd-btn-primary:hover { background: var(--kd-cyan-light); transform: translateY(-1px); }
.kd-btn-secondary {
    background: rgba(255,255,255,0.15);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
}
.kd-btn-secondary:hover { background: rgba(255,255,255,0.25); }
.kd-btn-outline {
    background: transparent;
    color: var(--kd-navy);
    border: 1px solid var(--kd-border);
}
.kd-btn-outline:hover { border-color: var(--kd-cyan); color: var(--kd-cyan); }
.kd-btn-block { display: block; text-align: center; }

/* ===== SECTIONS ===== */
.kd-section { padding: 5rem 0; }
.kd-section-alt { background: var(--kd-white); }
.kd-section-header {
    text-align: center;
    margin-bottom: 3rem;
}
.kd-section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--kd-navy);
    margin-bottom: 0.5rem;
}
.kd-section-header p {
    color: var(--kd-gray);
    font-size: 1.1rem;
}

/* ===== PESTEL ===== */
.kd-pestel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.kd-pestel-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}
.kd-pestel-card:hover { transform: translateY(-4px); box-shadow: var(--kd-shadow-lg); }
.kd-pestel-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.kd-pestel-card h4 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--kd-navy); }
.kd-pestel-card p { color: var(--kd-gray); font-size: 0.9rem; }
.kd-pestel-card--political { border-top: 4px solid var(--kd-pestel-political); }
.kd-pestel-card--economic { border-top: 4px solid var(--kd-pestel-economic); }
.kd-pestel-card--social { border-top: 4px solid var(--kd-pestel-social); }
.kd-pestel-card--technological { border-top: 4px solid var(--kd-pestel-technological); }
.kd-pestel-card--environmental { border-top: 4px solid var(--kd-pestel-environmental); }
.kd-pestel-card--legal { border-top: 4px solid var(--kd-pestel-legal); }

/* ===== METHODOLOGY ===== */
.kd-methodology-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.kd-methodology-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}
.kd-methodology-card:hover { transform: translateY(-4px); box-shadow: var(--kd-shadow-lg); }
.kd-methodology-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.kd-methodology-card h3 { font-size: 1.1rem; color: var(--kd-navy); margin-bottom: 0.25rem; }
.kd-methodology-en { font-size: 0.8rem; color: var(--kd-gray-light); display: block; margin-bottom: 0.5rem; }
.kd-methodology-card p { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 0.75rem; }
.kd-methodology-meta { font-size: 0.8rem; color: var(--kd-gray); }
.kd-methodology-meta div { margin-bottom: 0.25rem; }

/* ===== TOOLS TABS ===== */
.kd-tools-tabs { text-align: center; }
.kd-tab-buttons {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.kd-tab-btn {
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--kd-border);
    border-radius: 8px;
    background: var(--kd-white);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}
.kd-tab-btn.active, .kd-tab-btn:hover {
    background: var(--kd-navy);
    color: white;
    border-color: var(--kd-navy);
}
.kd-tab-content {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 2rem;
    text-align: left;
}
.kd-tab-content h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-tab-content p { color: var(--kd-gray); margin-bottom: 1rem; }
.kd-tab-content ul { padding-left: 1.25rem; }
.kd-tab-content li { color: var(--kd-gray); margin-bottom: 0.25rem; }

/* ===== ACADEMY ===== */
.kd-academy-courses, .kd-academy-paths { margin-bottom: 3rem; }
.kd-academy-courses h3, .kd-academy-paths h3 {
    font-size: 1.5rem;
    color: var(--kd-navy);
    margin-bottom: 1.5rem;
    text-align: center;
}
.kd-courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.kd-course-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}
.kd-course-card:hover { transform: translateY(-4px); box-shadow: var(--kd-shadow-lg); }
.kd-course-header { margin-bottom: 0.75rem; }
.kd-course-level {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}
.kd-level-珥덇툒 { background: var(--kd-level-beginner-bg); color: var(--kd-level-beginner-text); }
.kd-level-以묎툒 { background: var(--kd-level-intermediate-bg); color: var(--kd-level-intermediate-text); }
.kd-level-怨좉툒 { background: var(--kd-level-advanced-bg); color: var(--kd-level-advanced-text); }
.kd-course-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.kd-course-card h4 { font-size: 1rem; color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-course-meta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--kd-gray);
    margin-bottom: 0.75rem;
}
.kd-course-topics { display: flex; flex-wrap: wrap; gap: 0.25rem; justify-content: center; }
.kd-topic-tag {
    background: var(--kd-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--kd-gray);
}

/* ===== PATHS ===== */
.kd-paths-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.kd-path-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    text-align: center;
}
.kd-path-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.kd-path-card h4 { color: var(--kd-navy); margin-bottom: 1rem; }
.kd-path-steps { text-align: left; margin-bottom: 1rem; }
.kd-path-step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0;
    font-size: 0.85rem;
}
.kd-step-num {
    width: 24px;
    height: 24px;
    background: var(--kd-cyan);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}
.kd-path-hours {
    font-size: 0.85rem;
    color: var(--kd-cyan);
    font-weight: 600;
}

/* ===== THESIS SERVICES ===== */
.kd-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}
.kd-service-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
}
.kd-service-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.kd-service-card h4 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-service-card p { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 0.5rem; }
.kd-service-duration {
    display: inline-block;
    background: var(--kd-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--kd-gray);
    margin-bottom: 0.75rem;
}
.kd-service-includes { list-style: none; }
.kd-service-includes li {
    font-size: 0.85rem;
    color: var(--kd-gray);
    padding: 0.2rem 0;
}

/* ===== PRICING ===== */
.kd-pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.kd-pricing-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 2rem 1.5rem;
    text-align: center;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}
.kd-pricing-card:hover { transform: translateY(-4px); box-shadow: var(--kd-shadow-lg); }
.kd-pricing-popular {
    border-color: var(--kd-cyan);
    box-shadow: 0 0 0 1px var(--kd-cyan);
}
.kd-pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--kd-cyan);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}
.kd-pricing-card h4 { color: var(--kd-navy); margin-bottom: 1rem; }
.kd-pricing-price { margin-bottom: 1.5rem; }
.kd-price { font-size: 2rem; font-weight: 800; color: var(--kd-navy); }
.kd-period { font-size: 0.9rem; color: var(--kd-gray); }
.kd-pricing-features { list-style: none; text-align: left; margin-bottom: 1.5rem; }
.kd-pricing-features li {
    padding: 0.4rem 0;
    font-size: 0.9rem;
    color: var(--kd-gray);
    border-bottom: 1px solid var(--kd-border);
}
.kd-pricing-features li:last-child { border-bottom: none; }
.kd-pricing-limit {
    font-size: 0.85rem;
    color: var(--kd-cyan);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ===== COMMUNITY ===== */
.kd-community-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}
.kd-community-feature {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    text-align: center;
}
.kd-feature-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.kd-community-feature h4 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-community-feature p { color: var(--kd-gray); font-size: 0.9rem; }
.kd-researchers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.kd-researcher-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    text-align: center;
}
.kd-researcher-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--kd-navy), var(--kd-cyan));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 auto 0.75rem;
}
.kd-researcher-card h4 { color: var(--kd-navy); margin-bottom: 0.25rem; }
.kd-researcher-field { font-size: 0.85rem; color: var(--kd-cyan); font-weight: 600; }
.kd-researcher-expertise { font-size: 0.8rem; color: var(--kd-gray); margin-bottom: 0.5rem; }
.kd-researcher-tools { font-size: 0.75rem; color: var(--kd-gray-light); }

/* ===== ROADMAP ===== */
.kd-roadmap-timeline { max-width: 700px; margin: 0 auto; }
.kd-roadmap-phase {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
}
.kd-phase-marker {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--kd-border);
    flex-shrink: 0;
    margin-top: 4px;
}
.kd-phase-completed .kd-phase-marker { background: var(--kd-success); }
.kd-phase-current .kd-phase-marker { background: var(--kd-cyan); box-shadow: 0 0 0 4px rgba(6,182,212,0.2); }
.kd-phase-content { flex: 1; }
.kd-phase-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--kd-gray);
    margin-bottom: 0.25rem;
}
.kd-phase-completed .kd-phase-label { color: var(--kd-success); }
.kd-phase-current .kd-phase-label { color: var(--kd-cyan); }
.kd-phase-content h4 { color: var(--kd-navy); margin-bottom: 0.25rem; }
.kd-phase-content p { color: var(--kd-gray); font-size: 0.85rem; margin-bottom: 0.5rem; }
.kd-phase-content ul { padding-left: 1.25rem; }
.kd-phase-content li { color: var(--kd-gray); font-size: 0.9rem; }

/* ===== FOOTER ===== */
.kd-footer {
    background: var(--kd-dark);
    color: white;
    padding: 4rem 0 2rem;
}
.kd-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}
.kd-footer-brand p { font-size: 0.9rem; }
.kd-footer-links h4 {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    color: var(--kd-cyan);
}
.kd-footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.2rem 0;
    transition: color 0.2s;
}
.kd-footer-links a:hover { color: white; }
.kd-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* ===== POSTS ===== */
.kd-posts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.kd-post-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    overflow: hidden;
}
.kd-post-thumbnail img { width: 100%; height: 200px; object-fit: cover; }
.kd-post-content { padding: 1.5rem; }
.kd-post-content h2 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.kd-post-content h2 a { color: var(--kd-navy); text-decoration: none; }
.kd-post-meta { font-size: 0.8rem; color: var(--kd-gray); margin-bottom: 0.75rem; }
.kd-post-meta span { margin-right: 1rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .kd-pestel-grid,
    .kd-methodology-grid { grid-template-columns: repeat(2, 1fr); }
    .kd-courses-grid,
    .kd-services-grid { grid-template-columns: repeat(2, 1fr); }
    .kd-pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .kd-paths-grid { grid-template-columns: repeat(2, 1fr); }
    .kd-community-features,
    .kd-researchers-grid { grid-template-columns: repeat(2, 1fr); }
    .kd-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .kd-mobile-toggle { display: flex; }
    .kd-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--kd-white);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--kd-border);
        box-shadow: var(--kd-shadow);
    }
    .kd-nav-open { display: flex; }
    .kd-nav a { padding: 0.5rem 0; }
    .kd-nav-cta { margin-left: 0; text-align: center; }
    .kd-hero { padding: 3rem 0; }
    .kd-hero h1 { font-size: 2rem; }
    .kd-hero-stats { flex-wrap: wrap; gap: 1.5rem; }
    .kd-hero-buttons { flex-direction: column; align-items: center; }
    .kd-pestel-grid,
    .kd-methodology-grid,
    .kd-courses-grid,
    .kd-services-grid,
    .kd-pricing-grid,
    .kd-paths-grid,
    .kd-community-features,
    .kd-researchers-grid,
    .kd-footer-grid { grid-template-columns: 1fr; }
    .kd-section { padding: 3rem 0; }
    .kd-section-header h2 { font-size: 1.5rem; }
}

/* ===== PAGE HERO ===== */
.kd-page-hero {
    background: linear-gradient(135deg, var(--kd-navy) 0%, var(--kd-dark) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}
.kd-page-badge {
    display: inline-block;
    background: rgba(6,182,212,0.2);
    color: var(--kd-cyan);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.kd-page-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}
.kd-page-hero p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== STATS ROW ===== */
.kd-stats-row {
    display: flex;
    justify-content: center;
    gap: 4rem;
    padding: 2rem 0;
}
.kd-stat-item { text-align: center; }
.kd-stat-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--kd-cyan);
}
.kd-stat-label {
    font-size: 0.9rem;
    color: var(--kd-gray);
}

/* ===== SECTION BADGE ===== */
.kd-section-badge {
    display: inline-block;
    background: rgba(6,182,212,0.1);
    color: var(--kd-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

/* ===== METHOD DETAIL ===== */
.kd-method-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.kd-method-detail-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
}
.kd-method-detail-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.kd-method-detail-card h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-method-detail-card p { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 0.75rem; }
.kd-method-detail-card ul { padding-left: 1.25rem; margin-bottom: 0.75rem; }
.kd-method-detail-card li { color: var(--kd-gray); font-size: 0.85rem; margin-bottom: 0.25rem; }
.kd-method-tools {
    font-size: 0.8rem;
    color: var(--kd-cyan);
    font-weight: 600;
    padding-top: 0.75rem;
    border-top: 1px solid var(--kd-border);
}

/* ===== MIXED METHODS ===== */
.kd-mixed-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
.kd-mixed-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 2rem;
}
.kd-mixed-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--kd-cyan);
    margin-bottom: 0.5rem;
}
.kd-mixed-card h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-mixed-card p { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 0.75rem; }
.kd-mixed-type {
    display: inline-block;
    background: var(--kd-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--kd-navy);
}

/* ===== TOOLS COMPARE ===== */
.kd-tools-compare-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.kd-tool-compare-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    overflow: hidden;
}
.kd-tool-compare-header {
    padding: 1.5rem;
    color: white;
    text-align: center;
}
.kd-tool-compare-header h3 { font-size: 1.25rem; margin-bottom: 0.25rem; }
.kd-tool-compare-type { font-size: 0.8rem; opacity: 0.8; }
.kd-tool-compare-body { padding: 1.5rem; }
.kd-tool-compare-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--kd-border);
    font-size: 0.85rem;
}
.kd-tool-compare-row:last-child { border-bottom: none; }
.kd-tool-compare-row span:first-child { color: var(--kd-gray); font-weight: 500; }
.kd-tool-compare-row span:last-child { color: var(--kd-dark); text-align: right; }
.kd-tool-stars { color: var(--kd-warning); }

/* ===== TOOL CARDS (plugin shortcode) ===== */
.kd-tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.kd-tool-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
}
.kd-tool-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.kd-tool-card h4 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-tool-card p { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 0.75rem; }
.kd-tool-features { display: flex; flex-wrap: wrap; gap: 0.25rem; margin-bottom: 0.75rem; }
.kd-tool-tag {
    background: var(--kd-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--kd-gray);
}
.kd-tool-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--kd-gray);
    padding-top: 0.75rem;
    border-top: 1px solid var(--kd-border);
}
.kd-tool-card--spss { border-top: 4px solid var(--kd-tool-spss); }
.kd-tool-card--stata { border-top: 4px solid var(--kd-tool-stata); }
.kd-tool-card--r { border-top: 4px solid var(--kd-tool-r); }
.kd-tool-card--python { border-top: 4px solid var(--kd-tool-python); }

/* ===== METHOD SECTIONS (plugin shortcode) ===== */
.kd-method-section {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
}
.kd-method-section h3 { color: var(--kd-navy); margin-bottom: 1rem; font-size: 1.25rem; }
.kd-method-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
.kd-method-item {
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    background: var(--kd-bg);
    border-radius: 8px;
}
.kd-method-item strong { color: var(--kd-navy); margin-bottom: 0.25rem; }
.kd-method-item span { color: var(--kd-gray); font-size: 0.85rem; }
.kd-method-section--quantitative { border-left: 4px solid var(--kd-pestel-technological); }
.kd-method-section--qualitative { border-left: 4px solid var(--kd-pestel-social); }
.kd-method-section--mixed { border-left: 4px solid var(--kd-pestel-economic); }

/* ===== DISCUSSION & RESEARCHER (plugin shortcode) ===== */
.kd-discussion-list { max-width: 800px; margin: 0 auto; }
.kd-discussion-item {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}
.kd-disc-cat {
    display: inline-block;
    background: var(--kd-bg);
    color: var(--kd-gray);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
}
.kd-discussion-item h4 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-disc-meta { display: flex; gap: 1rem; font-size: 0.8rem; color: var(--kd-gray); }
.kd-researcher-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.kd-researcher-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    text-align: center;
}
.kd-r-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--kd-navy), var(--kd-cyan));
    color: var(--kd-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 auto 0.75rem;
}
.kd-researcher-card h4 { color: var(--kd-navy); margin-bottom: 0.25rem; }
.kd-researcher-card p { color: var(--kd-cyan); font-size: 0.85rem; font-weight: 600; }
.kd-r-tools { font-size: 0.8rem; color: var(--kd-gray); margin-bottom: 0.5rem; }
.kd-r-papers { font-size: 0.8rem; color: var(--kd-gray-light); }

/* ===== PRICING (plugin shortcode) ===== */
.kd-price-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 2rem 1.5rem;
    text-align: center;
}
.kd-price-card h4 { color: var(--kd-navy); margin-bottom: 0.75rem; }
.kd-price { font-size: 1.75rem; font-weight: 800; color: var(--kd-navy); margin-bottom: 1rem; }
.kd-price-card ul { list-style: none; text-align: left; margin-bottom: 1.5rem; }
.kd-price-card li {
    padding: 0.4rem 0;
    font-size: 0.85rem;
    color: var(--kd-gray);
    border-bottom: 1px solid var(--kd-border);
}
.kd-price-card li:last-child { border-bottom: none; }

/* ===== COURSES FULL ===== */
.kd-courses-full-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.kd-course-full-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    text-align: center;
}
.kd-course-full-badge {
    display: inline-block;
    padding: 0.2rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}
.kd-badge-珥덇툒 { background: var(--kd-level-beginner-bg); color: var(--kd-level-beginner-text); }
.kd-badge-以묎툒 { background: var(--kd-level-intermediate-bg); color: var(--kd-level-intermediate-text); }
.kd-badge-怨좉툒 { background: var(--kd-level-advanced-bg); color: var(--kd-level-advanced-text); }
.kd-course-full-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.kd-course-full-card h3 { color: var(--kd-navy); margin-bottom: 0.5rem; font-size: 1.1rem; }
.kd-course-full-card > p { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 0.75rem; }
.kd-course-full-meta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--kd-gray);
    margin-bottom: 0.75rem;
}
.kd-course-full-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    justify-content: center;
    margin-bottom: 1rem;
}
.kd-course-full-topics span {
    background: var(--kd-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--kd-gray);
}

/* ===== PATHS FULL ===== */
.kd-paths-full-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
.kd-path-full-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 2rem;
}
.kd-path-full-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.kd-path-full-card h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-path-full-card > p { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 1rem; }
.kd-path-full-steps { margin-bottom: 1rem; }
.kd-path-full-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--kd-border);
    font-size: 0.9rem;
}
.kd-path-full-step:last-child { border-bottom: none; }
.kd-path-full-total {
    font-size: 1rem;
    font-weight: 700;
    color: var(--kd-cyan);
}

/* ===== THESIS SERVICES ===== */
.kd-thesis-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.kd-thesis-service-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    position: relative;
}
.kd-thesis-service-num {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    font-weight: 800;
    color: var(--kd-border);
}
.kd-thesis-service-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.kd-thesis-service-card h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-thesis-service-card > p { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 0.5rem; }
.kd-thesis-service-duration {
    display: inline-block;
    background: var(--kd-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--kd-gray);
    margin-bottom: 0.75rem;
}
.kd-thesis-service-card ul { padding-left: 1.25rem; }
.kd-thesis-service-card li { color: var(--kd-gray); font-size: 0.85rem; margin-bottom: 0.25rem; }

/* ===== CURRICULUM ===== */
.kd-curriculum-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
.kd-curriculum-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 2rem;
}
.kd-curriculum-card h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-curriculum-hours {
    display: inline-block;
    background: rgba(6,182,212,0.1);
    color: var(--kd-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.kd-curriculum-stages { display: flex; flex-direction: column; gap: 1rem; }
.kd-curriculum-stage {
    display: flex;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--kd-border);
}
.kd-curriculum-stage:last-child { border-bottom: none; padding-bottom: 0; }
.kd-curriculum-stage-num {
    width: 32px;
    height: 32px;
    background: var(--kd-cyan);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.kd-curriculum-stage strong { color: var(--kd-navy); display: block; margin-bottom: 0.25rem; }
.kd-curriculum-stage p { color: var(--kd-gray); font-size: 0.85rem; margin: 0; }

/* ===== COMMUNITY FULL ===== */
.kd-community-features-full {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.kd-community-feature-full {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
}
.kd-community-feature-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.kd-community-feature-full h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-community-feature-full > p { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 0.75rem; }
.kd-community-feature-full ul { padding-left: 1.25rem; }
.kd-community-feature-full li { color: var(--kd-gray); font-size: 0.85rem; margin-bottom: 0.25rem; }

/* ===== DISCUSSIONS ===== */
.kd-discussions-list { max-width: 800px; margin: 0 auto; }
.kd-discussion-item {
    display: flex;
    gap: 1.5rem;
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
}
.kd-discussion-votes {
    text-align: center;
    min-width: 60px;
}
.kd-vote-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--kd-navy);
}
.kd-vote-label { font-size: 0.75rem; color: var(--kd-gray); }
.kd-discussion-content h4 {
    color: var(--kd-navy);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}
.kd-discussion-content h4 a { color: var(--kd-navy); text-decoration: none; }
.kd-discussion-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--kd-gray);
}

/* ===== RESEARCHERS FULL ===== */
.kd-researchers-full-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.kd-researcher-full-card {
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1.5rem;
    text-align: center;
}
.kd-researcher-full-avatar {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--kd-navy), var(--kd-cyan));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 0.75rem;
}
.kd-researcher-full-card h4 { color: var(--kd-navy); margin-bottom: 0.25rem; }
.kd-researcher-full-field { font-size: 0.85rem; color: var(--kd-cyan); font-weight: 600; margin-bottom: 0.25rem; }
.kd-researcher-full-expertise { font-size: 0.8rem; color: var(--kd-gray); margin-bottom: 0.5rem; }
.kd-researcher-full-tools { display: flex; gap: 0.5rem; justify-content: center; margin-bottom: 0.5rem; }
.kd-researcher-full-tools span {
    background: var(--kd-bg);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--kd-gray);
}
.kd-researcher-full-pubs {
    font-size: 0.8rem;
    color: var(--kd-gray);
    margin-bottom: 1rem;
}

/* ===== CTA SECTION ===== */
.kd-cta-section {
    background: linear-gradient(135deg, var(--kd-navy) 0%, var(--kd-dark) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}
.kd-cta-section h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}
.kd-cta-section p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 2rem;
}

/* ===== RESPONSIVE ADDITIONS ===== */
@media (max-width: 1024px) {
    .kd-method-detail-grid,
    .kd-thesis-services-grid,
    .kd-courses-full-grid { grid-template-columns: repeat(2, 1fr); }
    .kd-tools-compare-grid,
    .kd-community-features-full,
    .kd-researchers-full-grid { grid-template-columns: repeat(2, 1fr); }
    .kd-mixed-grid,
    .kd-curriculum-grid,
    .kd-paths-full-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .kd-page-hero h1 { font-size: 1.75rem; }
    .kd-stats-row { flex-wrap: wrap; gap: 2rem; }
    .kd-method-detail-grid,
    .kd-thesis-services-grid,
    .kd-courses-full-grid,
    .kd-tools-compare-grid,
    .kd-community-features-full,
    .kd-researchers-full-grid { grid-template-columns: 1fr; }
    .kd-discussion-item { flex-direction: column; gap: 0.75rem; }
}

/* ===== PESTEL FILTER UI ===== */
.kd-pestel-filter { margin: 2rem 0; }
.kd-pestel-filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 2rem;
}
.kd-pestel-filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--kd-border);
    border-radius: 8px;
    background: var(--kd-white);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--kd-gray);
    transition: all 0.2s;
}
.kd-pestel-filter-btn:hover,
.kd-pestel-filter-btn--active {
    background: var(--kd-navy);
    color: var(--kd-white);
    border-color: var(--kd-navy);
}
.kd-pestel-count { text-align: center; color: var(--kd-gray); margin-bottom: 1rem; font-weight: 600; }
.kd-pestel-loading { text-align: center; color: var(--kd-gray); padding: 2rem; }
.kd-pestel-nodes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.kd-pestel-node-card {
    display: block;
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 1rem;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.kd-pestel-node-card:hover { transform: translateY(-2px); box-shadow: var(--kd-shadow); }
.kd-pestel-node-card h4 { color: var(--kd-navy); font-size: 0.95rem; margin-bottom: 0.5rem; }
.kd-pestel-node-meta { display: flex; gap: 0.5rem; }
.kd-pestel-node-meta span {
    font-size: 0.75rem;
    background: var(--kd-bg);
    color: var(--kd-gray);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .kd-pestel-nodes-grid { grid-template-columns: 1fr; }
    .kd-pestel-filter-buttons { gap: 0.25rem; }
    .kd-pestel-filter-btn { font-size: 0.8rem; padding: 0.4rem 0.75rem; }
}

/* ===== TOOL TRACK PAGE ===== */
.kd-tool-hero--spss { background: linear-gradient(135deg, var(--kd-tool-spss), var(--kd-dark)); }
.kd-tool-hero--stata { background: linear-gradient(135deg, var(--kd-tool-stata), var(--kd-dark)); }
.kd-tool-hero--r { background: linear-gradient(135deg, var(--kd-tool-r), var(--kd-dark)); }
.kd-tool-hero--python { background: linear-gradient(135deg, var(--kd-tool-python), var(--kd-dark)); }

.kd-tool-detail {
    max-width: 800px;
    margin: 0 auto;
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 2rem;
}
.kd-tool-detail__desc { color: var(--kd-gray); font-size: 1rem; line-height: 1.7; margin-bottom: 1.5rem; }
.kd-tool-detail__features { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.kd-tool-detail__tag {
    background: var(--kd-bg);
    color: var(--kd-navy);
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}
.kd-tool-detail__meta { display: flex; flex-direction: column; gap: 0.5rem; padding-top: 1rem; border-top: 1px solid var(--kd-border); }
.kd-tool-detail__meta div { font-size: 0.9rem; color: var(--kd-gray); }
.kd-tool-detail__meta strong { color: var(--kd-navy); }

/* ===== CURRICULUM TIMELINE ===== */
.kd-curriculum-timeline { max-width: 800px; margin: 0 auto; }
.kd-curriculum-week {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--kd-border);
}
.kd-curriculum-week:last-child { border-bottom: none; }
.kd-curriculum-week__num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
    color: var(--kd-white);
}
.kd-curriculum-week--珥덇툒 .kd-curriculum-week__num { background: var(--kd-success); }
.kd-curriculum-week--以묎툒 .kd-curriculum-week__num { background: var(--kd-warning); }
.kd-curriculum-week--怨좉툒 .kd-curriculum-week__num { background: var(--kd-danger); }
.kd-curriculum-week__content { flex: 1; }
.kd-curriculum-week__content h4 { color: var(--kd-navy); font-size: 1rem; margin-bottom: 0.25rem; }
.kd-curriculum-week__meta { display: flex; gap: 0.75rem; align-items: center; }
.kd-curriculum-week__meta span { font-size: 0.8rem; color: var(--kd-gray); }
.kd-curriculum-week__level {
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}
.kd-curriculum-week__level--珥덇툒 { background: var(--kd-level-beginner-bg); color: var(--kd-level-beginner-text); }
.kd-curriculum-week__level--以묎툒 { background: var(--kd-level-intermediate-bg); color: var(--kd-level-intermediate-text); }
.kd-curriculum-week__level--怨좉툒 { background: var(--kd-level-advanced-bg); color: var(--kd-level-advanced-text); }
.kd-curriculum-total { text-align: center; margin-top: 1.5rem; font-size: 1rem; font-weight: 700; color: var(--kd-cyan); }
.kd-no-content { text-align: center; color: var(--kd-gray); padding: 2rem; }

/* ===== CODE BLOCK (Mobile-First, RULE: 375px) ===== */
.kd-code-block {
    background: var(--kd-dark);
    border-radius: var(--kd-radius);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
    margin: 1.5rem 0;
}
.kd-code-block pre {
    margin: 0;
    padding: 1rem;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 12px;
    line-height: 1.6;
    white-space: pre;
    color: var(--kd-code-text);
    tab-size: 2;
}
.kd-code-block code { font-family: inherit; }
.kd-code-block__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.kd-code-block__lang { font-size: 0.75rem; color: var(--kd-cyan); font-weight: 600; text-transform: uppercase; }
.kd-code-block__copy {
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--kd-white);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: background 0.2s;
}
.kd-code-block__copy:hover { background: rgba(255,255,255,0.2); }
.kd-code-block__copy--copied { background: var(--kd-success); }

@media (min-width: 768px) {
    .kd-code-block pre { font-size: 14px; padding: 1.25rem; }
}

@media (max-width: 375px) {
    .kd-code-block pre { font-size: 11px; padding: 0.75rem; line-height: 1.5; }
    .kd-code-block__header { padding: 0.4rem 0.75rem; }
    .kd-code-block__lang { font-size: 0.7rem; }
    .kd-code-block__copy { font-size: 0.7rem; padding: 0.2rem 0.4rem; }
}

/* ===== TOOL TRACK RESPONSIVE ===== */
@media (max-width: 768px) {
    .kd-tool-detail { padding: 1.5rem; }
    .kd-curriculum-week { gap: 0.75rem; padding: 0.75rem 0; }
    .kd-curriculum-week__num { width: 32px; height: 32px; font-size: 0.85rem; }
    .kd-curriculum-week__content h4 { font-size: 0.9rem; }
    .kd-stats-row { flex-wrap: wrap; gap: 1.5rem; }
    .kd-tool-links { flex-direction: column; align-items: center; }
}

/* ===== TOOL LINKS ===== */
.kd-tool-links {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* ===== ENROLLMENT FORM ===== */
.kd-enroll-form {
    max-width: 500px;
    margin: 2rem auto;
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: var(--kd-radius);
    padding: 2rem;
}
.kd-enroll-form h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-enroll-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--kd-gray);
}
.kd-enroll-meta span { background: var(--kd-bg); padding: 0.2rem 0.5rem; border-radius: 4px; }
.kd-enroll-form-inner { display: flex; flex-direction: column; gap: 0.75rem; }
.kd-enroll-email, .kd-enroll-name {
    padding: 0.75rem;
    border: 1px solid var(--kd-border);
    border-radius: 8px;
    font-size: 0.95rem;
    width: 100%;
}
.kd-enroll-email:focus, .kd-enroll-name:focus {
    border-color: var(--kd-cyan);
    outline: none;
}
.kd-enroll-success {
    background: var(--kd-success);
    color: var(--kd-white);
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    margin: 1rem 0;
}

/* ===== PROGRESS BAR ===== */
.kd-progress-container {
    max-width: 600px;
    margin: 1rem auto;
}
.kd-progress-bar {
    background: var(--kd-bg);
    border-radius: 20px;
    height: 24px;
    overflow: hidden;
    border: 1px solid var(--kd-border);
}
.kd-progress-fill {
    background: linear-gradient(90deg, var(--kd-cyan), var(--kd-success));
    height: 100%;
    transition: width 0.5s ease;
    border-radius: 20px;
}
.kd-progress-text {
    display: block;
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--kd-navy);
}

/* ===== PHASE 3: RECOMMENDER ENGINE ===== */
.kd-recommender { max-width: 800px; margin: 2rem auto; }
.kd-recommender__header { text-align: center; margin-bottom: 2rem; }
.kd-recommender__header h3 { color: var(--kd-navy); font-size: 1.5rem; margin-bottom: 0.5rem; }
.kd-recommender__header p { color: var(--kd-gray); }
.kd-recommender__questions { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 2rem; }
.kd-recommender__q {
    text-align: left;
    padding: 1rem 1.25rem;
    border: 1px solid var(--kd-border);
    border-radius: 8px;
    background: var(--kd-white);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    color: var(--kd-dark);
}
.kd-recommender__q:hover { border-color: var(--kd-cyan); background: var(--kd-bg); }
.kd-recommender__q::before { content: "Q. "; font-weight: 700; color: var(--kd-cyan); }
.kd-rec-card {
    background: var(--kd-white);
    border: 2px solid var(--kd-cyan);
    border-radius: var(--kd-radius);
    padding: 2rem;
    text-align: center;
}
.kd-rec-axis {
    display: inline-block;
    background: var(--kd-bg);
    color: var(--kd-navy);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}
.kd-rec-card h4 { color: var(--kd-navy); font-size: 1.2rem; margin-bottom: 0.75rem; }
.kd-rec-reason { color: var(--kd-gray); font-size: 0.9rem; margin-bottom: 1rem; line-height: 1.6; }
.kd-rec-meta { display: flex; gap: 0.5rem; justify-content: center; margin-bottom: 1rem; }
.kd-rec-tool {
    background: var(--kd-cyan);
    color: var(--kd-white);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}
.kd-rec-difficulty {
    background: var(--kd-bg);
    color: var(--kd-gray);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* ===== CODE RUNNER (Binder) ===== */
.kd-code-runner { max-width: 800px; margin: 2rem auto; }
.kd-code-runner__header { text-align: center; margin-bottom: 2rem; }
.kd-code-runner__header h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-code-runner__header p { color: var(--kd-gray); }
.kd-code-runner__launch {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}
.kd-code-runner__note { font-size: 0.8rem; color: var(--kd-gray); }
.kd-code-runner__notebooks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}
.kd-notebook-card {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--kd-white);
    border: 1px solid var(--kd-border);
    border-radius: 8px;
    padding: 1rem;
    text-decoration: none;
    color: var(--kd-navy);
    font-weight: 600;
    transition: all 0.2s;
}
.kd-notebook-card:hover { border-color: var(--kd-cyan); transform: translateY(-2px); box-shadow: var(--kd-shadow); }
.kd-notebook__icon { font-size: 1.5rem; }
.kd-notebook__name { font-size: 0.9rem; }
.kd-code-runner__local { text-align: center; padding: 1rem; background: var(--kd-bg); border-radius: 8px; }
.kd-code-runner__local p { color: var(--kd-gray); font-size: 0.85rem; margin-bottom: 0.5rem; }
.kd-code-runner__cmd {
    display: inline-block;
    background: var(--kd-dark);
    color: var(--kd-code-text);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.8rem;
}

/* ===== COMPARE TABLE ===== */
.kd-compare-tool { max-width: 1200px; margin: 2rem auto; }
.kd-compare-tool__header { text-align: center; margin-bottom: 2rem; }
.kd-compare-tool__header h3 { color: var(--kd-navy); margin-bottom: 0.5rem; }
.kd-compare-tool__header p { color: var(--kd-gray); }
.kd-compare-table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.kd-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}
.kd-compare-table th {
    background: var(--kd-navy);
    color: var(--kd-white);
    padding: 0.75rem;
    text-align: left;
    white-space: nowrap;
}
.kd-compare-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--kd-border);
    color: var(--kd-gray);
}
.kd-compare-table tbody tr:hover { background: var(--kd-bg); }
.kd-compare-table td strong { color: var(--kd-navy); }
.kd-compare-filter {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}
.kd-compare-filter label { color: var(--kd-gray); font-size: 0.85rem; cursor: pointer; }

@media (max-width: 768px) {
    .kd-code-runner__notebooks { grid-template-columns: 1fr; }
    .kd-compare-table { font-size: 0.7rem; }
    .kd-compare-table th, .kd-compare-table td { padding: 0.4rem 0.5rem; }
    .kd-campaign { padding: 1.5rem; }
    .kd-campaign__benefits { padding-left: 1.25rem; }
}

/* ===== PHASE 4: CAMPAIGN ===== */
.kd-campaign {
    max-width: 600px;
    margin: 2rem auto;
    background: linear-gradient(135deg, var(--kd-navy), var(--kd-dark));
    color: var(--kd-white);
    border-radius: var(--kd-radius);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--kd-shadow-lg);
}
.kd-campaign__badge {
    display: inline-block;
    background: var(--kd-cyan);
    color: var(--kd-white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.kd-campaign h2 { font-size: 1.75rem; margin-bottom: 0.5rem; }
.kd-campaign__subtitle { font-size: 1rem; color: rgba(255,255,255,0.8); margin-bottom: 1.5rem; }
.kd-campaign__benefits {
    text-align: left;
    list-style: none;
    margin-bottom: 2rem;
}
.kd-campaign__benefits li {
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.9);
    padding-left: 1.5rem;
    position: relative;
}
.kd-campaign__benefits li::before {
    content: "??;
    position: absolute;
    left: 0;
    color: var(--kd-cyan);
    font-weight: 700;
}
.kd-campaign .kd-btn {
    background: var(--kd-cyan);
    color: var(--kd-white);
    padding: 0.875rem 2rem;
    font-size: 1rem;
}
.kd-campaign .kd-btn:hover { background: var(--kd-cyan-light); }