/* ============================================
   AgentForge v3.0 - Introduction Webpage
   Design: Dark Nebula Theme
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --bg-primary: #010409;
    --bg-secondary: #0d1117;
    --bg-tertiary: #161b22;
    --bg-card: rgba(22, 27, 34, 0.7);
    --bg-glass: rgba(22, 27, 34, 0.5);

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;

    --accent-blue: #58a6ff;
    --accent-purple: #bc8cff;
    --accent-green: #3fb950;
    --accent-cyan: #39d2c0;
    --accent-orange: #f0883e;
    --accent-pink: #f778ba;
    --accent-yellow: #e3b341;
    --accent-red: #f85149;
    --accent-teal: #2ea58a;

    --gradient-primary: linear-gradient(135deg, #58a6ff 0%, #bc8cff 50%, #39d2c0 100%);
    --gradient-blue: linear-gradient(135deg, #1f6feb, #58a6ff);
    --gradient-purple: linear-gradient(135deg, #8b5cf6, #bc8cff);
    --gradient-green: linear-gradient(135deg, #238636, #3fb950);

    --border-color: rgba(48, 54, 61, 0.6);
    --border-highlight: rgba(88, 166, 255, 0.3);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 30px rgba(88,166,255,0.15);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --header-height: 64px;
    --container-max: 1280px;
}

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

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

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

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--accent-purple);
}

/* ---------- Background Canvas ---------- */
#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-md { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(88,166,255,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(88,166,255,0.45);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-outline:hover {
    border-color: var(--accent-blue);
    background: rgba(88,166,255,0.08);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(1, 4, 9, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s;
}

.header.scrolled {
    background: rgba(1, 4, 9, 0.95);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
}

.logo-name {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-version {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-blue);
    background: rgba(88,166,255,0.12);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    margin-left: 2px;
}

.nav {
    display: flex;
    gap: 4px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: all 0.3s;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(88,166,255,0.08);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    transition: 0.3s;
    border-radius: 2px;
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse, rgba(88,166,255,0.08) 0%, rgba(188,140,255,0.05) 30%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-green);
    background: rgba(63,185,80,0.1);
    border: 1px solid rgba(63,185,80,0.25);
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 24px;
}

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

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(63,185,80,0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(63,185,80,0); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

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

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.stat-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ---------- Sections ---------- */
.section {
    position: relative;
    z-index: 1;
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: rgba(88,166,255,0.08);
    border: 1px solid rgba(88,166,255,0.2);
    padding: 4px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- Features Grid ---------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s;
}

.feature-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.icon-blue { background: rgba(88,166,255,0.12); color: var(--accent-blue); }
.icon-purple { background: rgba(188,140,255,0.12); color: var(--accent-purple); }
.icon-green { background: rgba(63,185,80,0.12); color: var(--accent-green); }
.icon-orange { background: rgba(240,136,62,0.12); color: var(--accent-orange); }
.icon-cyan { background: rgba(57,210,192,0.12); color: var(--accent-cyan); }
.icon-pink { background: rgba(247,120,186,0.12); color: var(--accent-pink); }
.icon-yellow { background: rgba(227,179,65,0.12); color: var(--accent-yellow); }
.icon-red { background: rgba(248,81,73,0.12); color: var(--accent-red); }
.icon-teal { background: rgba(46,165,138,0.12); color: var(--accent-teal); }

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent-blue);
    background: rgba(88,166,255,0.08);
    border: 1px solid rgba(88,166,255,0.15);
    padding: 3px 10px;
    border-radius: 999px;
}

/* ---------- Frameworks ---------- */
.gen-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
}

.gen-tab {
    padding: 8px 20px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.gen-tab:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.gen-tab.active {
    background: rgba(88,166,255,0.12);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.frameworks-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.framework-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.4s ease;
}

.framework-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
}

.framework-card.hidden {
    display: none;
}

.fw-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 14px;
}

.fw-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: rgba(255,255,255,0.05);
    color: var(--fw-color);
}

.fw-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.fw-gen {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.fw-version {
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--accent-blue);
    background: rgba(88,166,255,0.1);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.fw-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.fw-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.fw-file {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-bottom: 10px;
}

.fw-file i {
    margin-right: 4px;
}

.fw-status {
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.fw-status.operational {
    color: var(--accent-green);
}

.fw-status.operational i {
    font-size: 0.5rem;
    animation: pulse-dot 2s ease-in-out infinite;
}

.fw-status.available {
    color: var(--accent-yellow);
}

.fw-status.available i {
    font-size: 0.5rem;
}

/* ---------- Architecture ---------- */
.arch-container {
    max-width: 900px;
    margin: 0 auto;
}

.arch-diagram {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.arch-layer {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s;
}

.arch-layer:hover {
    border-color: var(--border-highlight);
}

.arch-layer-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-blue);
    margin-bottom: 14px;
}

.arch-nodes {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.arch-nodes-wrap {
    flex-wrap: wrap;
}

.arch-node {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.arch-node:hover {
    transform: translateY(-2px);
}

.node-frontend {
    background: rgba(88,166,255,0.08);
    color: var(--accent-blue);
    border-color: rgba(88,166,255,0.2);
}

.node-api {
    background: rgba(188,140,255,0.08);
    color: var(--accent-purple);
    border-color: rgba(188,140,255,0.2);
}

.node-orch {
    background: rgba(57,210,192,0.08);
    color: var(--accent-cyan);
    border-color: rgba(57,210,192,0.2);
}

.node-agent {
    background: rgba(240,136,62,0.08);
    color: var(--accent-orange);
    border-color: rgba(240,136,62,0.2);
    font-size: 0.8rem;
    padding: 8px 14px;
}

.node-infra {
    background: rgba(63,185,80,0.08);
    color: var(--accent-green);
    border-color: rgba(63,185,80,0.2);
}

.arch-connector {
    text-align: center;
    padding: 10px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
}

.arch-connector i {
    margin-right: 4px;
    color: var(--border-highlight);
}

/* ---------- Dashboard Preview ---------- */
.dashboard-preview {
    max-width: 1100px;
    margin: 0 auto;
}

.dashboard-window {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.window-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid var(--border-color);
}

.window-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; }

.window-title {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.window-content {
    display: flex;
    min-height: 480px;
}

/* Mock Sidebar */
.mock-sidebar {
    width: 200px;
    background: rgba(0,0,0,0.2);
    border-right: 1px solid var(--border-color);
    padding: 16px 0;
    flex-shrink: 0;
    overflow-y: auto;
}

.mock-logo {
    padding: 0 16px 14px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
}

.mock-logo i {
    color: var(--accent-blue);
    margin-right: 6px;
}

.mock-nav-items {
    padding: 0 8px;
}

.mock-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    font-size: 0.72rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mock-nav-item.active {
    background: rgba(88,166,255,0.12);
    color: var(--accent-blue);
}

.mock-nav-item i {
    font-size: 0.7rem;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.mock-framework-status {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 12px;
    margin-top: 6px;
    border-top: 1px solid var(--border-color);
}

.fw-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.fw-dot.active {
    background: var(--accent-green);
    box-shadow: 0 0 6px rgba(63,185,80,0.5);
}

/* Mock Main */
.mock-main {
    flex: 1;
    padding: 20px;
    overflow: hidden;
}

.mock-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.mock-header-bar h3 {
    font-size: 1rem;
    font-weight: 700;
}

.mock-status-pills {
    display: flex;
    gap: 8px;
}

.pill {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
}

.pill-green {
    background: rgba(63,185,80,0.12);
    color: var(--accent-green);
}

.pill-blue {
    background: rgba(88,166,255,0.12);
    color: var(--accent-blue);
}

/* Mock Stats */
.mock-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.mock-stat-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
}

.mock-stat-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: rgba(88,166,255,0.1);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.mock-stat-value {
    font-size: 1.2rem;
    font-weight: 800;
    display: block;
}

.mock-stat-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    display: block;
}

/* Mock Charts */
.mock-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.mock-chart {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
}

.mock-chart-title {
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text-secondary);
}

.mock-bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 120px;
}

.mock-bar {
    flex: 1;
    height: var(--bar-height);
    background: var(--gradient-primary);
    border-radius: 4px 4px 0 0;
    position: relative;
    min-width: 0;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.mock-bar:hover {
    opacity: 1;
}

.mock-bar span {
    position: absolute;
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.6rem;
    color: var(--text-muted);
    font-weight: 600;
}

.mock-health-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.mock-health-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
}

.mock-health-item.ok {
    color: var(--accent-green);
    background: rgba(63,185,80,0.05);
}

.mock-health-item i {
    font-size: 0.7rem;
}

/* ---------- Models Grid ---------- */
.models-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.model-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-4px);
}

.model-card.primary-model {
    border-color: rgba(88,166,255,0.4);
    background: rgba(88,166,255,0.05);
}

.model-badge {
    position: absolute;
    top: -8px;
    right: 12px;
    font-size: 0.65rem;
    font-weight: 700;
    color: #fff;
    background: var(--gradient-primary);
    padding: 2px 10px;
    border-radius: 999px;
}

.model-card h4 {
    font-size: 0.85rem;
    font-weight: 700;
    font-family: var(--font-mono);
    margin-bottom: 6px;
}

.model-type {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ---------- Tech Stack ---------- */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.tech-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s;
}

.tech-category:hover {
    border-color: var(--border-highlight);
}

.tech-cat-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.tech-cat-header i {
    font-size: 1.2rem;
    color: var(--accent-blue);
}

.tech-cat-header h3 {
    font-size: 1rem;
    font-weight: 700;
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tech-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    transition: background 0.3s;
}

.tech-item:hover {
    background: rgba(88,166,255,0.05);
}

.tech-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.tech-ver {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--accent-blue);
    background: rgba(88,166,255,0.08);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

/* ---------- API Grid ---------- */
.api-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.api-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s;
}

.api-card:hover {
    border-color: var(--border-highlight);
}

.api-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.api-header h4 {
    font-size: 1rem;
    font-weight: 700;
}

.api-count {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-blue);
    background: rgba(88,166,255,0.1);
    padding: 2px 10px;
    border-radius: 999px;
}

.api-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.api-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.method {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    flex-shrink: 0;
}

.method.get {
    background: rgba(63,185,80,0.15);
    color: var(--accent-green);
}

.method.post {
    background: rgba(88,166,255,0.15);
    color: var(--accent-blue);
}

/* ---------- Test Results ---------- */
.test-results {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    max-width: 800px;
    margin: 0 auto;
}

.test-progress-ring {
    position: relative;
    width: 200px;
    height: 200px;
    flex-shrink: 0;
}

.test-progress-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 8;
}

.ring-fill {
    fill: none;
    stroke: url(#ringGradient);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 2s ease;
}

.test-progress-ring svg {
    overflow: visible;
}

.test-progress-ring svg defs {
    display: block;
}

.ring-fill {
    stroke: var(--accent-green);
}

.ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.ring-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-green);
    display: block;
}

.ring-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.test-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.test-stat {
    display: inline-flex;
    flex-direction: column;
}

.test-stat-number {
    font-size: 1.8rem;
    font-weight: 800;
}

.test-stat-number.pass { color: var(--accent-green); }
.test-stat-number.fail { color: var(--accent-red); }

.test-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.test-details > div:first-child {
    display: none;
}

.test-details {
    display: flex;
    flex-direction: row;
    gap: 24px;
    flex-wrap: wrap;
    align-items: flex-start;
}

.test-categories {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
}

.test-cat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.test-cat i {
    color: var(--accent-green);
    font-size: 0.75rem;
}

/* ---------- CTA Section ---------- */
.cta-section {
    text-align: center;
    background: radial-gradient(ellipse at center, rgba(88,166,255,0.06) 0%, transparent 70%);
}

.cta-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
    position: relative;
    z-index: 1;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .frameworks-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .api-grid { grid-template-columns: repeat(2, 1fr); }
    .models-grid { grid-template-columns: repeat(3, 1fr); }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .mock-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .mobile-toggle { display: flex; }

    .nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(1,4,9,0.98);
        backdrop-filter: blur(16px);
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
    }

    .features-grid { grid-template-columns: 1fr; }
    .frameworks-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .api-grid { grid-template-columns: 1fr; }
    .models-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }

    .mock-sidebar { display: none; }
    .mock-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .mock-charts { grid-template-columns: 1fr; }

    .test-results { flex-direction: column; gap: 30px; }
    .test-progress-ring { width: 160px; height: 160px; }

    .footer-content { flex-direction: column; }
    .footer-links { flex-wrap: wrap; gap: 30px; }

    .section { padding: 60px 0; }

    .header-actions .btn { display: none; }
}

@media (max-width: 480px) {
    .hero-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
    .models-grid { grid-template-columns: 1fr; }
    .test-categories { grid-template-columns: 1fr; }
}