/* ═══════════════════════════════════════════════════════════
   NIMBUS FRAMEWORK - WEBSITE STYLES
   Windows 12 Fluent Design Inspired
   ═══════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────
   CSS Variables (Design Tokens)
   ───────────────────────────────────────────────────────────── */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --bg-elevated: #22222e;
    --bg-hover: #2a2a38;
    
    /* Surface Colors */
    --surface-card: rgba(255, 255, 255, 0.03);
    --surface-card-hover: rgba(255, 255, 255, 0.05);
    --surface-card-border: rgba(255, 255, 255, 0.08);
    
    /* Accent Colors */
    --accent-primary: #60cdff;
    --accent-secondary: #8774e1;
    --accent-tertiary: #c586c0;
    --accent-gradient: linear-gradient(135deg, #60cdff 0%, #8774e1 50%, #c586c0 100%);
    
    /* Status Colors */
    --color-success: #4ade80;
    --color-warning: #fbbf24;
    --color-error: #f87171;
    --color-info: #60cdff;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --text-muted: rgba(255, 255, 255, 0.3);
    
    /* Border */
    --border-default: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.15);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(96, 205, 255, 0.15);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 24px;
}

/* ─────────────────────────────────────────────────────────────
   Reset & Base Styles
   ───────────────────────────────────────────────────────────── */
*, *::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(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

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

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* ─────────────────────────────────────────────────────────────
   Layout
   ───────────────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-4xl) 0;
}

/* ─────────────────────────────────────────────────────────────
   Animated Background
   ───────────────────────────────────────────────────────────── */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(96, 205, 255, 0.1), transparent),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(135, 116, 225, 0.08), transparent),
        radial-gradient(ellipse 60% 40% at 0% 80%, rgba(197, 134, 192, 0.06), transparent);
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: rgba(96, 205, 255, 0.15);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: rgba(135, 116, 225, 0.12);
    top: 40%;
    right: -150px;
    animation-delay: -7s;
}

.bg-glow-3 {
    width: 400px;
    height: 400px;
    background: rgba(197, 134, 192, 0.1);
    bottom: -100px;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 30px) scale(1.02); }
}

/* ─────────────────────────────────────────────────────────────
   Navigation
   ───────────────────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-default);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 20px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--surface-card-hover);
}

.nav-link-docs {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-primary);
}

.nav-link-docs:hover {
    background: rgba(96, 205, 255, 0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-github {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-github:hover {
    background: var(--surface-card-hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.nav-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ─────────────────────────────────────────────────────────────
   Hero Section
   ───────────────────────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 16px 6px 10px;
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

.hero-title-gradient {
    display: block;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-tertiary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-default);
}

/* Hero Code Preview */
.hero-preview {
    max-width: 800px;
    margin: var(--space-3xl) auto 0;
    padding: 0 var(--container-padding);
}

.code-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.code-header {
    display: flex;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-default);
}

.code-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.code-title {
    flex: 1;
    text-align: center;
    font-size: 13px;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

.code-copy {
    padding: 6px;
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.code-copy:hover {
    color: var(--text-primary);
    background: var(--surface-card-hover);
}

.code-content {
    padding: var(--space-lg);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.7;
    tab-size: 4;
}

.code-content code {
    color: var(--text-secondary);
}

.code-tag { color: #569cd6; }
.code-attr { color: #9cdcfe; }
.code-string { color: #ce9178; }
.code-comment { color: #6a9955; }

/* ─────────────────────────────────────────────────────────────
   Buttons
   ───────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 15px;
}

.btn-xl {
    padding: var(--space-lg) var(--space-xl);
    font-size: 16px;
    border-radius: var(--radius-lg);
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(96, 205, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(96, 205, 255, 0.35);
}

.btn-secondary {
    background: var(--surface-card);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-secondary:hover {
    background: var(--surface-card-hover);
    border-color: var(--border-strong);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-outline:hover {
    background: var(--surface-card);
    border-color: var(--border-strong);
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.btn-label {
    font-weight: 600;
}

.btn-sublabel {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.7;
}

/* ─────────────────────────────────────────────────────────────
   Section Headers
   ───────────────────────────────────────────────────────────── */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

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

/* ─────────────────────────────────────────────────────────────
   Features Section
   ───────────────────────────────────────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    background: var(--surface-card-hover);
    border-color: var(--border-strong);
    transform: translateY(-4px);
}

.feature-card-large {
    grid-column: span 1;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.feature-icon-fire {
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.2), rgba(239, 68, 68, 0.1));
    color: #fb923c;
}

.feature-icon-tools {
    background: linear-gradient(135deg, rgba(96, 205, 255, 0.2), rgba(96, 205, 255, 0.1));
    color: var(--accent-primary);
}

.feature-icon-plugin {
    background: linear-gradient(135deg, rgba(135, 116, 225, 0.2), rgba(135, 116, 225, 0.1));
    color: var(--accent-secondary);
}

.feature-icon-components {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(74, 222, 128, 0.1));
    color: var(--color-success);
}

.feature-icon-commands {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(251, 191, 36, 0.1));
    color: var(--color-warning);
}

.feature-icon-build {
    background: linear-gradient(135deg, rgba(197, 134, 192, 0.2), rgba(197, 134, 192, 0.1));
    color: var(--accent-tertiary);
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

.feature-tags {
    display: flex;
    gap: var(--space-sm);
    margin-top: auto;
    padding-top: var(--space-lg);
}

.tag {
    padding: 4px 10px;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-tertiary);
}

/* ─────────────────────────────────────────────────────────────
   Showcase Section
   ───────────────────────────────────────────────────────────── */
.showcase-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.showcase-tab {
    padding: var(--space-sm) var(--space-lg);
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.showcase-tab:hover {
    background: var(--surface-card-hover);
    color: var(--text-primary);
}

.showcase-tab.active {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    border-color: transparent;
}

.showcase-panel {
    display: none;
}

.showcase-panel.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.showcase-preview {
    position: sticky;
    top: 100px;
}

.preview-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.preview-header {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-default);
}

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

.preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--surface-card-hover);
}

.preview-dots span:nth-child(1) { background: #ff5f57; }
.preview-dots span:nth-child(2) { background: #febc2e; }
.preview-dots span:nth-child(3) { background: #28c840; }

.preview-title {
    flex: 1;
    text-align: center;
    font-size: 12px;
    color: var(--text-tertiary);
}

.preview-body {
    padding: var(--space-lg);
    min-height: 300px;
}

/* Dashboard Preview */
.preview-dashboard {
    display: flex;
    gap: var(--space-md);
    padding: 0 !important;
}

.preview-sidebar {
    width: 120px;
    background: var(--bg-tertiary);
    padding: var(--space-md);
    border-right: 1px solid var(--border-default);
}

.preview-nav-item {
    padding: 8px 10px;
    font-size: 11px;
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
}

.preview-nav-item.active {
    background: var(--surface-card-hover);
    color: var(--text-primary);
}

.preview-main {
    flex: 1;
    padding: var(--space-md);
}

.preview-stats {
    display: flex;
    gap: var(--space-sm);
}

.preview-stat-card {
    flex: 1;
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
}

.preview-stat-card .stat-icon {
    font-size: 20px;
    display: block;
    margin-bottom: 4px;
}

.preview-stat-card .stat-num {
    font-size: 16px;
    font-weight: 700;
    display: block;
}

.preview-stat-card .stat-lbl {
    font-size: 10px;
    color: var(--text-tertiary);
}

/* Chat Preview */
.preview-chat {
    display: flex;
    flex-direction: column;
    padding: 0 !important;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-default);
}

.chat-avatar {
    width: 36px;
    height: 36px;
    background: var(--surface-card-hover);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-info {
    display: flex;
    flex-direction: column;
}

.chat-name {
    font-size: 13px;
    font-weight: 600;
}

.chat-status {
    font-size: 11px;
    color: var(--color-success);
}

.chat-messages {
    flex: 1;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.chat-bubble {
    max-width: 70%;
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 13px;
}

.chat-bubble.sent {
    background: var(--accent-secondary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-bubble.received {
    background: var(--surface-card-hover);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-input {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-top: 1px solid var(--border-default);
}

.chat-input input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 13px;
}

.chat-input button {
    width: 36px;