/* ============================================
   3DEXPERIENCE / V5 MCP - Main Stylesheet
   ============================================ */

/* ----- CSS Variables ----- */
:root {
    /* Colors — Dassault / Engineering Blue Palette */
    --color-primary: #0078D7;
    --color-primary-dark: #005A9E;
    --color-primary-light: #E0F2FE;
    --color-primary-glow: rgba(0, 120, 215, 0.15);
    --color-accent: #00B4D8;
    --color-accent-light: #E0FAFF;
    --color-success: #059669;
    --color-warning: #D97706;
    --color-danger: #DC2626;

    /* Scroll offset for fixed navbar */
    scroll-padding-top: 80px;

    /* Neutrals */
    --color-bg: #F4F6F8;
    --color-bg-white: #FFFFFF;
    --color-bg-card: #FFFFFF;
    --color-bg-code: #0D1829;
    --color-bg-footer: #07101E;
    --color-bg-cta: linear-gradient(135deg, #005A9E 0%, #0078D7 50%, #00B4D8 100%);
    
    /* Text */
    --color-text: #111827;
    --color-text-secondary: #4B5563;
    --color-text-tertiary: #9CA3AF;
    --color-text-inverse: #FFFFFF;
    
    /* Borders */
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 10px 25px rgba(0, 0, 0, 0.08);
    
    /* Typography */
    --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    
    /* Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Layout */
    --max-width: 1200px;
    --nav-height: 68px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* ----- Section Container ----- */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-light);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    line-height: 1.25;
}

.section-desc {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
    }
    .section-desc {
        font-size: 16px;
    }
    .section-header {
        margin-bottom: 40px;
    }
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1000;
    transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo {
    flex-shrink: 0;
}

.nav-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.3px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 14.5px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.nav-links a:hover::after {
    transform: scaleX(1);
}

.nav-link-docs {
    color: var(--color-primary) !important;
}

.btn-nav-cta {
    padding: 8px 20px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-nav-cta:hover {
    background: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-white);
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .btn-nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    padding: 160px 0 120px;
    overflow: hidden;
    text-align: center;
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-light);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 28px;
    border: 1px solid rgba(0, 120, 215, 0.1);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.75); }
}

.hero-title {
    margin-bottom: 24px;
}

.hero-title-main {
    display: block;
    font-size: 56px;
    font-weight: 900;
    color: var(--color-text);
    letter-spacing: -1px;
    line-height: 1.15;
    background: linear-gradient(135deg, #07101E 0%, #0078D7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-sub {
    display: block;
    font-size: 22px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-top: 12px;
    -webkit-text-fill-color: initial;
}

.hero-desc {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 540px;
    margin: 0 auto 36px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--color-text);
    color: var(--color-text-inverse);
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--color-primary-glow);
}

.btn-primary svg {
    transition: transform var(--transition-normal);
}

.btn-primary:hover svg {
    transform: translateX(3px);
}

.btn-secondary {
    padding: 14px 32px;
    background: var(--color-bg-white);
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-tertiary);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--color-border);
}

/* Hero Background */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
}

.glow-1 {
    width: 500px;
    height: 500px;
    background: rgba(0, 120, 215, 0.2);
    top: -150px;
    left: -100px;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: rgba(0, 180, 216, 0.12);
    bottom: -100px;
    right: -50px;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 120, 215, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 120, 215, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 80px;
    }

    .hero-title-main {
        font-size: 36px;
    }

    .hero-title-sub {
        font-size: 18px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 32px;
        height: 1px;
    }
}

/* ============================================
   MODE SELECTOR
   ============================================ */
.mode-selector {
    padding: 0 0 40px;
    position: relative;
    z-index: 10;
}

.mode-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 8px;
    box-shadow: var(--shadow-md);
    max-width: 640px;
    margin: 0 auto;
}

.mode-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
    padding: 16px 20px;
    background: transparent;
    border: 1.5px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--color-text-tertiary);
    position: relative;
}

.mode-tab svg {
    transition: all var(--transition-normal);
    margin-bottom: 2px;
}

.mode-tab span {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.mode-tab small {
    font-size: 12px;
    font-weight: 500;
    color: inherit;
    opacity: 0.7;
}

.mode-tab:hover {
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border-color: var(--color-border);
}

.mode-tab.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
    border-color: rgba(0, 120, 215, 0.2);
    box-shadow: var(--shadow-sm);
}

.mode-tab.active svg {
    transform: scale(1.05);
}

/* Mode Panels */
.mode-panel {
    display: none;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.mode-panel.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Sticky mode selector */
.mode-selector.sticky {
    position: sticky;
    top: var(--nav-height);
    background: rgba(244, 246, 248, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 16px 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-border-light);
}

@media (max-width: 640px) {
    .mode-tabs {
        flex-direction: column;
        gap: 6px;
        border-radius: var(--radius-lg);
        padding: 6px;
    }

    .mode-tab {
        flex-direction: row;
        gap: 10px;
        padding: 12px 16px;
    }

    .mode-tab small {
        margin-left: auto;
    }
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    padding: 100px 0;
    background: var(--color-bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 32px;
    transition: all var(--transition-slow);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 120, 215, 0.02) 100%);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(0, 120, 215, 0.15);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.feature-desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .features {
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        padding: 24px;
    }
}

/* ============================================
   FEATURES EXTENDED (Mini cards)
   ============================================ */
.features-extended {
    padding: 0 0 100px;
    background: var(--color-bg-white);
}

.features-grid-extended {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card-mini {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    transition: all var(--transition-normal);
}

.feature-card-mini:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .features-extended {
        padding: 0 0 60px;
    }

    .features-grid-extended {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .features-grid-extended {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   QUICKSTART SECTION
   ============================================ */
.quickstart {
    padding: 100px 0;
    background: var(--color-bg);
}

.steps-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.step-item {
    text-align: center;
    padding: 28px 24px;
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    min-width: 220px;
    flex: 1;
    max-width: 260px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.step-number {
    display: inline-block;
    font-size: 28px;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: 8px;
}

.step-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

.step-item p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.step-arrow {
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

/* Code Block */
.code-block-wrapper {
    max-width: 880px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* MCP Side-by-Side Grid */
.mcp-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    width: 100%;
}

.mcp-grid .code-block-wrapper {
    max-width: none;
    margin: 0;
}

.mcp-block .code-block {
    min-height: 180px;
}

.code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: #2D2D3F;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-block-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #FF5F57; }
.dot-yellow { background: #FEBC2E; }
.dot-green { background: #28C840; }

.code-block-label {
    font-size: 12px;
    color: #8B8B9E;
    font-family: var(--font-mono);
}

.btn-copy {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.08);
    color: #8B8B9E;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #E0E0E0;
}

.btn-copy.copied {
    background: rgba(5, 150, 105, 0.2);
    color: #28C840;
}

.code-block {
    background: var(--color-bg-code);
    padding: 24px;
    margin: 0;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.75;
}

.code-block code {
    font-family: var(--font-mono);
    color: #CDD6F4;
    white-space: pre;
}

.code-key { color: #89B4FA; }
.code-string { color: #A6E3A1; }
.code-comment { color: #6C7086; font-style: italic; }

@media (max-width: 768px) {
    .quickstart {
        padding: 60px 0;
    }

    .steps-row {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .step-item {
        max-width: 100%;
    }

    .code-block {
        font-size: 12px;
        padding: 16px;
    }

    .mcp-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ============================================
   SKILL PANEL (tab-specific)
   ============================================ */
.skill-hero {
    text-align: center;
    padding: 32px 24px 24px;
}

.skill-hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: linear-gradient(135deg, #FFF7ED, #FFEDD5);
    margin-bottom: 20px;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.15);
}

.skill-hero-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 8px;
}

.skill-hero-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: #D97706;
    background: #FEF3C7;
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.skill-hero-desc {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto 24px;
}

.btn-download-skill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: linear-gradient(135deg, #F59E0B, #D97706);
    color: white;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
}

.btn-download-skill:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(245, 158, 11, 0.4);
}

/* Installation Section */
.skill-install-section {
    padding: 24px 0;
}

.skill-section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border-light);
}

.skill-install-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    max-width: 900px;
    margin: 0 auto;
}

.skill-install-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    transition: all var(--transition-normal);
}

.skill-install-card:hover {
    border-color: rgba(0, 120, 215, 0.2);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.skill-install-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.skill-install-card h5 {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
}

.skill-install-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Copy Instruction */
.skill-copy-section {
    max-width: 640px;
    margin: 32px auto 0;
    padding: 0 24px;
}

.copy-instruction-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.copy-instruction-box {
    display: flex;
    align-items: stretch;
    background: var(--color-bg-code);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.copy-instruction-code {
    flex: 1;
    padding: 16px 20px;
    font-family: var(--font-mono);
    font-size: 14px;
    color: #CDD6F4;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
}

.btn-copy-skill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 20px;
    background: rgba(255, 255, 255, 0.08);
    color: #8B8B9E;
    border-left: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
    flex-shrink: 0;
}

.btn-copy-skill:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #E0E0E0;
}

.btn-copy-skill.copied {
    background: rgba(5, 150, 105, 0.2);
    color: #28C840;
}

/* Responsive for SKILL install grid */
@media (max-width: 768px) {
    .skill-hero-title {
        font-size: 22px;
    }

    .skill-install-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .skill-install-card {
        padding: 16px 12px;
    }

    .skill-install-card h5 {
        font-size: 14px;
    }

    .skill-install-card p {
        font-size: 12px;
    }

    .copy-instruction-code {
        font-size: 12px;
        padding: 12px 14px;
    }
}

@media (max-width: 480px) {
    .skill-install-grid {
        grid-template-columns: 1fr 1fr;
    }

    .skill-install-card-icon {
        width: 36px;
        height: 36px;
    }

    .btn-copy-skill {
        padding: 0 14px;
    }
}

/* ============================================
   MCP SHOWCASE SECTION
   ============================================ */
.mcp-showcase {
    padding: 100px 0;
    background: var(--color-bg);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.showcase-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-slow);
}

.showcase-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.showcase-card-header {
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--color-primary-light), #FFF);
    border-bottom: 1px solid var(--color-border-light);
}

.showcase-badge {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.showcase-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    cursor: zoom-in;
    transition: transform var(--transition-normal);
}

.showcase-card:hover .showcase-img {
    transform: scale(1.02);
}

.showcase-img-wrapper {
    position: relative;
    overflow: hidden;
}

.showcase-img-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0);
    transition: background var(--transition-normal);
    pointer-events: none;
}

.showcase-card:hover .showcase-img-wrapper::after {
    background: rgba(0,0,0,0.1);
}

.showcase-zoom-icon {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(0,0,0,0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.showcase-card:hover .showcase-zoom-icon {
    opacity: 1;
}

.showcase-zoom-icon svg {
    width: 16px;
    height: 16px;
    fill: white;
}

.showcase-card-footer {
    padding: 14px 20px;
    text-align: center;
    background: var(--color-bg);
}

.showcase-card-footer span {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

@media (max-width: 900px) {
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .showcase-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   EXAMPLES SECTION
   ============================================ */
.examples {
    padding: 100px 0;
    background: var(--color-bg-white);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.example-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-slow);
}

.example-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 120, 215, 0.12);
    transform: translateY(-2px);
}

.example-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-light);
    padding: 3px 10px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.example-bubble {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.bubble-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.bubble-content {
    flex: 1;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    position: relative;
}

.bubble-content::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 12px;
    width: 10px;
    height: 10px;
    background: var(--color-bg-white);
    border-left: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    transform: rotate(45deg);
}

.bubble-text {
    font-size: 14.5px;
    color: var(--color-text);
    line-height: 1.5;
}

.example-result {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(5, 150, 105, 0.05);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--color-success);
    line-height: 1.5;
}

.example-result svg {
    flex-shrink: 0;
    margin-top: 2px;
}

@media (max-width: 1024px) {
    .examples-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .examples {
        padding: 60px 0;
    }

    .examples-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ARCHITECTURE SECTION
   ============================================ */
.architecture {
    padding: 100px 0;
    background: var(--color-bg);
}

.arch-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 40px 0;
}

.arch-node {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    text-align: center;
    transition: all var(--transition-slow);
    min-width: 180px;
}

.arch-node:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.arch-node-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.arch-node span {
    display: block;
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.arch-node small {
    font-size: 13px;
    color: var(--color-text-tertiary);
}

.arch-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--color-text-tertiary);
    font-size: 12px;
    font-weight: 500;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .architecture {
        padding: 60px 0;
    }

    .arch-diagram {
        flex-direction: column;
        gap: 8px;
    }

    .arch-arrow {
        transform: rotate(90deg);
    }

    .arch-arrow span {
        display: none;
    }
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    padding: 80px 0;
}

.cta-card {
    background: var(--color-bg-cta);
    border-radius: var(--radius-2xl);
    padding: 64px 48px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-card::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.cta-card h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-card p {
    font-size: 17px;
    opacity: 0.85;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.btn-light {
    background: white;
    color: var(--color-primary);
}

.btn-light:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.btn-outline-light {
    padding: 14px 32px;
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.btn-outline-light:hover {
    border-color: white;
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .cta {
        padding: 40px 0;
    }

    .cta-card {
        padding: 40px 24px;
        border-radius: var(--radius-xl);
    }

    .cta-card h2 {
        font-size: 24px;
    }

    .cta-actions {
        flex-direction: column;
    }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-footer);
    color: #94A3B8;
    padding: 64px 0 32px;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.footer-brand span {
    font-size: 18px;
    font-weight: 700;
    color: #E2E8F0;
}

.footer-col-brand p {
    font-size: 14px;
    line-height: 1.6;
    color: #64748B;
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 700;
    color: #E2E8F0;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: #64748B;
    padding: 4px 0;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: #E2E8F0;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 13px;
    color: #475569;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: #475569;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: #94A3B8;
}

@media (max-width: 768px) {
    .footer {
        padding: 48px 0 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-col-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-text);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    z-index: 10000;
    opacity: 0;
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-xl);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #D1D5DB;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9CA3AF;
}

/* ============================================
   SELECTION
   ============================================ */
::selection {
    background: rgba(0, 120, 215, 0.15);
    color: var(--color-text);
}