:root {
            --primary: #0f766e;
            --primary-hover: #115e59;
            --primary-light: rgba(15, 118, 110, 0.1);
            --secondary: #b45309;
            --success: #10b981;
            --bg-primary: #ffffff;
            --bg-secondary: #f6f4ef;
            --bg-dark: #17201d;
            --text-primary: #1f2933;
            --text-secondary: #5f6b67;
            --text-muted: #8a948f;
            --border: #ded8cc;
            --radius: 12px;
            --radius-lg: 16px;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --transition: all 0.2s ease;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f3efe7;
            min-height: 100vh;
            color: var(--text-primary);
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            background:
                linear-gradient(rgba(31, 41, 51, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(31, 41, 51, 0.025) 1px, transparent 1px);
            background-size: 28px 28px;
            mask-image: linear-gradient(to bottom, black, transparent 65%);
        }

        /* Header */
        .header {
            background: rgba(255, 253, 247, 0.94);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }

        .logo img {
            width: 40px;
            height: 40px;
            border-radius: 10px;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border: none;
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            box-shadow: 0 4px 14px rgba(15, 118, 110, 0.28);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(15, 118, 110, 0.34);
        }

        .btn-primary:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

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

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

        /* Main Content */
        .main {
            max-width: 1400px;
            margin: 0 auto;
            padding: 24px 24px 32px;
        }

        /* Hero Section */
        .hero {
            max-width: 1400px;
            margin: 0 auto;
            padding: 56px 24px 24px;
            color: var(--text-primary);
            display: grid;
            grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
            gap: 28px;
            align-items: stretch;
        }

        .hero h1 {
            font-size: 56px;
            line-height: 1.05;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0;
        }

        .hero p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 760px;
            margin: 0 0 24px;
            line-height: 1.8;
        }

        .hero-copy {
            background: #fffdf7;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 40px;
            box-shadow: 0 18px 50px rgba(31, 41, 51, 0.08);
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            margin-bottom: 18px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-panel {
            background: #17201d;
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 8px;
            padding: 24px;
            box-shadow: 0 18px 50px rgba(31, 41, 51, 0.16);
            display: grid;
            gap: 12px;
        }

        .hero-panel-title {
            color: #f8f1df;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .hero-panel a {
            display: block;
            color: #f8f1df;
            text-decoration: none;
            border: 1px solid rgba(248, 241, 223, 0.16);
            background: rgba(248, 241, 223, 0.06);
            border-radius: 8px;
            padding: 16px;
            transition: var(--transition);
        }

        .hero-panel a:hover {
            border-color: rgba(248, 241, 223, 0.38);
            background: rgba(248, 241, 223, 0.1);
        }

        .hero-panel strong {
            display: block;
            margin-bottom: 6px;
        }

        .hero-panel span {
            display: block;
            color: rgba(248, 241, 223, 0.72);
            font-size: 13px;
            line-height: 1.6;
        }

        .social-proof-stats {
            max-width: 1400px;
            margin: 0 auto 8px;
            padding: 0 24px;
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 12px;
        }

        .social-proof-stats div {
            background: #fffdf7;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 16px;
        }

        .social-proof-stats strong {
            display: block;
            color: var(--primary);
            font-size: 24px;
            margin-bottom: 4px;
        }

        .social-proof-stats span {
            display: block;
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.5;
        }

        .features {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .feature {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            opacity: 0.95;
        }

        .feature-icon {
            width: 24px;
            height: 24px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Editor Section */
        .editor-container {
            background: var(--bg-primary);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
        }

        .editor-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
        }

        .editor-tabs {
            display: flex;
            gap: 8px;
        }

        .editor-tab {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            background: transparent;
            color: var(--text-secondary);
        }

        .editor-tab.active {
            background: white;
            color: var(--primary);
            box-shadow: var(--shadow);
        }

        .editor-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .editor-body {
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 500px;
        }

        @media (max-width: 768px) {
            .editor-body {
                grid-template-columns: 1fr;
            }
        }

        .editor-pane {
            display: flex;
            flex-direction: column;
        }

        .editor-pane:first-child {
            border-right: 1px solid var(--border);
        }

        .pane-header {
            padding: 12px 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .editor-textarea {
            flex: 1;
            width: 100%;
            padding: 20px;
            border: none;
            outline: none;
            resize: none;
            font-family: 'Consolas', 'Monaco', monospace;
            font-size: 14px;
            line-height: 1.7;
            background: var(--bg-primary);
        }

        .preview-area {
            flex: 1;
            padding: 20px;
            overflow-y: auto;
            line-height: 1.8;
        }

        .preview-area h1,
        .preview-area h2,
        .preview-area h3 {
            margin-top: 24px;
            margin-bottom: 12px;
        }

        .preview-area h1 {
            font-size: 28px;
        }

        .preview-area h2 {
            font-size: 24px;
        }

        .preview-area h3 {
            font-size: 20px;
        }

        .preview-area p {
            margin-bottom: 16px;
        }

        .preview-area code {
            background: #f1f5f9;
            padding: 2px 6px;
            border-radius: 4px;
            font-family: 'Consolas', monospace;
            font-size: 13px;
        }

        .preview-area pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 16px;
            border-radius: 8px;
            overflow-x: auto;
            margin: 16px 0;
        }

        .preview-area pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        .preview-area blockquote {
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            margin: 16px 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .preview-area table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0;
        }

        .preview-area th,
        .preview-area td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .preview-area th {
            background: var(--bg-secondary);
            font-weight: 600;
        }

        .preflight-panel {
            border-top: 1px solid var(--border);
            background: linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(180, 83, 9, 0.06));
            padding: 16px 20px;
        }

        .preflight-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .preflight-score {
            border-radius: 999px;
            padding: 4px 10px;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 12px;
            white-space: nowrap;
        }

        .preflight-summary {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.6;
        }

        .preflight-issues {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }

        .preflight-issue {
            border-radius: 999px;
            padding: 6px 10px;
            font-size: 12px;
            border: 1px solid var(--border);
            background: var(--bg-primary);
            color: var(--text-secondary);
        }

        .preflight-issue.critical {
            border-color: #fecaca;
            background: #fef2f2;
            color: #991b1b;
        }

        .preflight-issue.warning {
            border-color: #fed7aa;
            background: #fff7ed;
            color: #9a3412;
        }

        .preflight-issue.info {
            border-color: #bfdbfe;
            background: #eff6ff;
            color: #1d4ed8;
        }

        .workflow-panel {
            border-top: 1px solid var(--border);
            background: var(--bg-primary);
            padding: 16px 20px;
        }

        .workflow-panel[hidden] {
            display: none;
        }

        .workflow-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .workflow-summary {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .draft-list {
            display: grid;
            gap: 10px;
        }

        .draft-item {
            display: grid;
            grid-template-columns: 1fr auto auto;
            align-items: center;
            gap: 10px;
            padding: 12px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg-secondary);
        }

        .draft-title {
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .draft-meta {
            color: var(--text-muted);
            font-size: 12px;
        }

        .text-btn {
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 10px;
            background: white;
            color: var(--primary);
            cursor: pointer;
            font-size: 12px;
            font-weight: 600;
        }

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

        .quality-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 10px;
            margin-top: 12px;
        }

        .quality-card {
            padding: 12px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg-secondary);
        }

        .quality-card strong {
            display: block;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 2px;
        }

        .quality-card span {
            color: var(--text-secondary);
            font-size: 12px;
        }

        /* Footer */
        .footer {
            text-align: center;
            padding: 40px 24px;
            color: var(--text-secondary);
            font-size: 14px;
            background: #17201d;
        }

        .footer a {
            color: #f8f1df;
            text-decoration: none;
        }

        /* Examples */
        .examples {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .example-btn {
            padding: 6px 12px;
            font-size: 12px;
            background: var(--primary-light);
            color: var(--primary);
            border: none;
            border-radius: 6px;
            cursor: pointer;
            transition: var(--transition);
        }

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

        /* Loading spinner */
        .spinner {
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top-color: white;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        /* Drop zone */
        .drop-zone {
            border: 2px dashed var(--border);
            border-radius: var(--radius);
            padding: 40px;
            text-align: center;
            color: var(--text-muted);
            transition: var(--transition);
            display: none;
        }

        .drop-zone.active {
            display: block;
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .editor-textarea.dragging {
            opacity: 0.5;
        }

        /* FAQ Section */
        .faq-container {
            background: var(--bg-primary);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 40px;
            margin-top: 40px;
            content-visibility: auto;
            contain-intrinsic-size: 1px 520px;
        }

        .faq-title {
            text-align: center;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 40px;
            color: var(--text-primary);
        }

        .faq-item {
            margin-bottom: 24px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 24px;
        }

        .faq-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
            margin-bottom: 0;
        }

        .faq-question {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .faq-answer {
            color: var(--text-secondary);
            line-height: 1.6;
            margin-left: 0;
        }

        .insight-section {
            background: var(--bg-primary);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 36px;
            margin-top: 24px;
            content-visibility: auto;
            contain-intrinsic-size: 1px 420px;
        }

        .insight-section h2 {
            font-size: 30px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .insight-intro {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 22px;
        }

        .insight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px;
        }

        .insight-card {
            border: 1px solid var(--border);
            background: var(--bg-secondary);
            border-radius: 14px;
            padding: 20px;
        }

        .insight-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .insight-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 14px;
        }

        .insight-card a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        .insight-card a:hover {
            text-decoration: underline;
        }

        .pill-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }

        .pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            background: rgba(15, 118, 110, 0.1);
            border: 1px solid rgba(15, 118, 110, 0.16);
            border-radius: 999px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }

        .maintenance-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 14px;
            margin-top: 18px;
        }

        .maintenance-item {
            padding: 18px;
            border-radius: 14px;
            border: 1px solid var(--border);
            background: #fff;
        }

        .maintenance-item strong {
            display: block;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .maintenance-item span {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        .maintenance-item a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        .maintenance-item a:hover {
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            .hero {
                grid-template-columns: 1fr;
                padding: 32px 16px 16px;
            }

            .hero-copy {
                padding: 28px 20px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .social-proof-stats {
                grid-template-columns: 1fr 1fr;
                padding: 0 16px;
            }

            .insight-section {
                padding: 28px 20px;
            }

            .insight-section h2 {
                font-size: 26px;
            }
        }