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

        :root {
            --bg: #08080a;
            --bg-elevated: #111114;
            --bg-card: #16161a;
            --border: #1e1e24;
            --border-hover: #2a2a34;
            --cream: #f2ede4;
            --gold: #c8a55a;
            --gold-soft: rgba(200, 165, 90, 0.12);
            --gold-glow: rgba(200, 165, 90, 0.06);
            --text: #d4d0c8;
            --text-dim: #6e6b63;
            --text-mid: #9a968c;
            --accent-green: #5cb885;
            --accent-green-soft: rgba(92, 184, 133, 0.12);
            --accent-blue: #5b8def;
            --accent-blue-soft: rgba(91, 141, 239, 0.12);
            --accent-purple: #9b7fd4;
            --accent-purple-soft: rgba(155, 127, 212, 0.12);
        }

        html { scroll-behavior: smooth; }

        body {
            font-family: 'Satoshi', -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        /* ─── NAV ─── */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 100;
            padding: 0 2rem;
            height: 64px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(8, 8, 10, 0.8);
            backdrop-filter: blur(24px) saturate(1.4);
            -webkit-backdrop-filter: blur(24px) saturate(1.4);
            border-bottom: 1px solid var(--border);
        }
        .nav-left {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .logo {
            font-family: 'Satoshi', sans-serif;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--cream);
            letter-spacing: -0.03em;
            text-decoration: none;
        }
        .logo em {
            font-style: normal;
            color: var(--gold);
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            gap: 1.75rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-dim);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 500;
            transition: color 0.2s;
            letter-spacing: -0.01em;
        }
        .nav-links a:hover { color: var(--cream); }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.2rem;
            background: var(--gold);
            color: var(--bg);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.82rem;
            border-radius: 6px;
            transition: all 0.2s ease;
            letter-spacing: -0.01em;
        }
        .nav-cta:hover {
            background: var(--cream);
            transform: translateY(-1px);
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            nav { padding: 0 1.25rem; }
        }

        /* ─── HERO ─── */
        .hero {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 7rem 2rem 6rem;
            max-width: 1120px;
            margin: 0 auto;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(200, 165, 90, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-eyebrow {
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 1.75rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            opacity: 0;
            animation: fadeUp 0.7s ease 0.1s forwards;
        }
        .hero-eyebrow::before {
            content: '';
            width: 28px;
            height: 1px;
            background: var(--gold);
        }

        .hero h1 {
            font-family: 'Instrument Serif', serif;
            font-size: clamp(3rem, 7vw, 5.5rem);
            font-weight: 400;
            line-height: 1.05;
            color: var(--cream);
            max-width: 860px;
            margin-bottom: 1.75rem;
            letter-spacing: -0.03em;
            opacity: 0;
            animation: fadeUp 0.7s ease 0.2s forwards;
        }
        .hero h1 em {
            font-style: italic;
            color: var(--gold);
        }

        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-mid);
            max-width: 560px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
            font-weight: 400;
            opacity: 0;
            animation: fadeUp 0.7s ease 0.35s forwards;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            opacity: 0;
            animation: fadeUp 0.7s ease 0.45s forwards;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 1.8rem;
            background: var(--gold);
            color: var(--bg);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 8px;
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--cream);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(200, 165, 90, 0.15);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 1.8rem;
            background: transparent;
            color: var(--text-mid);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            border-radius: 8px;
            border: 1px solid var(--border);
            transition: all 0.25s ease;
        }
        .btn-ghost:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        /* ─── TRUST BAR ─── */
        .trust-bar {
            padding: 3rem 2rem;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .trust-inner {
            max-width: 1120px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 3rem;
            flex-wrap: wrap;
        }
        .trust-label {
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--text-dim);
            white-space: nowrap;
        }
        .trust-items {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .trust-item {
            font-size: 0.85rem;
            color: var(--text-mid);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .trust-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
        }
        .trust-divider {
            width: 1px;
            height: 24px;
            background: var(--border);
        }
        .trust-partner {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--text-mid);
            padding: 0.35rem 0.75rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 6px;
        }
        .trust-partner-icon {
            font-size: 1rem;
        }

        /* ─── SECTION COMMON ─── */
        .section {
            padding: 6rem 2rem;
            max-width: 1120px;
            margin: 0 auto;
        }
        .section-eyebrow {
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .section-eyebrow::before {
            content: '';
            width: 20px;
            height: 1px;
            background: var(--gold);
        }
        .section-title {
            font-family: 'Instrument Serif', serif;
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            max-width: 700px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-mid);
            max-width: 560px;
            margin-bottom: 3rem;
            line-height: 1.7;
        }

        /* ─── PROBLEM SECTION ─── */
        .problem-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        @media (max-width: 768px) {
            .problem-grid { grid-template-columns: 1fr; }
        }
        .problem-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 2rem;
            transition: border-color 0.3s;
        }
        .problem-card:hover { border-color: var(--border-hover); }
        .problem-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 80, 60, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .problem-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--cream);
            margin-bottom: 0.5rem;
        }
        .problem-card p {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.6;
        }

        /* ─── FEATURES / PLATFORM PILLARS ─── */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1px;
            background: var(--border);
            border-radius: 16px;
            overflow: hidden;
        }
        @media (max-width: 900px) {
            .features-grid { grid-template-columns: 1fr; }
        }
        .feature-cell {
            background: var(--bg-card);
            padding: 2.5rem 2rem;
            transition: background 0.3s;
            position: relative;
        }
        .feature-cell:hover { background: var(--bg-elevated); }
        .feature-num {
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 1.25rem;
        }
        .feature-cell h3 {
            font-family: 'Instrument Serif', serif;
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.75rem;
        }
        .feature-cell p {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.6;
        }
        .feature-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-top: 1.25rem;
        }
        .feature-tag {
            font-size: 0.72rem;
            font-weight: 500;
            padding: 0.3rem 0.65rem;
            border-radius: 4px;
            background: var(--gold-soft);
            color: var(--gold);
            letter-spacing: 0.02em;
        }
        .feature-tag--blue {
            background: var(--accent-blue-soft);
            color: var(--accent-blue);
        }
        .feature-tag--purple {
            background: var(--accent-purple-soft);
            color: var(--accent-purple);
        }
        .feature-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.68rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--text-mid);
            background: var(--bg);
            border: 1px solid var(--border);
            padding: 0.25rem 0.6rem;
            border-radius: 4px;
            margin-top: 1rem;
        }

        /* ─── ATTRIBUTION LAYER (CONNECTOR) ─── */
        .attribution-layer {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        .attribution-bar {
            background: linear-gradient(135deg, var(--bg-card) 0%, rgba(200, 165, 90, 0.04) 100%);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.75rem 2.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .attribution-bar-left {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .attribution-bar-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--gold-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .attribution-bar-text h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--cream);
            margin-bottom: 0.15rem;
        }
        .attribution-bar-text p {
            font-size: 0.82rem;
            color: var(--text-dim);
            line-height: 1.5;
        }
        .attribution-bar-stats {
            display: flex;
            gap: 2rem;
        }
        .attribution-stat {
            text-align: center;
        }
        .attribution-stat-value {
            font-family: 'Instrument Serif', serif;
            font-size: 1.5rem;
            color: var(--cream);
            line-height: 1.2;
        }
        .attribution-stat-value span { color: var(--gold); font-size: 0.9rem; }
        .attribution-stat-label {
            font-size: 0.68rem;
            color: var(--text-dim);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-top: 0.15rem;
        }
        @media (max-width: 768px) {
            .attribution-bar { flex-direction: column; text-align: center; }
            .attribution-bar-left { flex-direction: column; text-align: center; }
            .attribution-bar-stats { gap: 1.5rem; }
        }

        /* ─── HOW IT WORKS ─── */
        .how-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
        }
        @media (max-width: 768px) {
            .how-flow { grid-template-columns: 1fr; gap: 1rem; }
            .how-connector { display: none !important; }
            .how-step { border-radius: 12px !important; }
        }
        .how-step {
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: 2rem 1.5rem;
            position: relative;
            transition: all 0.3s;
        }
        .how-step:first-child { border-radius: 12px 0 0 12px; }
        .how-step:last-child { border-radius: 0 12px 12px 0; }
        .how-step:hover {
            border-color: var(--gold);
            z-index: 2;
        }
        .how-num {
            font-size: 2rem;
            font-family: 'Instrument Serif', serif;
            color: var(--gold);
            opacity: 0.4;
            margin-bottom: 0.75rem;
            line-height: 1;
        }
        .how-step h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--cream);
            margin-bottom: 0.5rem;
        }
        .how-step p {
            font-size: 0.82rem;
            color: var(--text-dim);
            line-height: 1.55;
        }
        .how-tag {
            display: inline-block;
            font-size: 0.65rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            margin-top: 0.75rem;
        }
        .how-tag--rfid {
            background: var(--gold-soft);
            color: var(--gold);
        }
        .how-tag--dooh {
            background: var(--accent-blue-soft);
            color: var(--accent-blue);
        }
        .how-tag--aisle {
            background: var(--accent-purple-soft);
            color: var(--accent-purple);
        }
        .how-tag--attribution {
            background: var(--accent-green-soft);
            color: var(--accent-green);
        }
        .how-connector {
            position: absolute;
            right: -8px;
            top: 50%;
            transform: translateY(-50%);
            width: 16px;
            height: 16px;
            background: var(--gold);
            border-radius: 50%;
            z-index: 3;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .how-connector svg {
            width: 8px;
            height: 8px;
            fill: var(--bg);
        }

        /* ─── STATS ─── */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            padding: 4rem 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        @media (max-width: 768px) {
            .stats-row { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
        }
        .stat-block {}
        .stat-value {
            font-family: 'Instrument Serif', serif;
            font-size: 2.8rem;
            font-weight: 400;
            color: var(--cream);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-value span {
            color: var(--gold);
            font-size: 1.6rem;
        }
        .stat-label {
            font-size: 0.82rem;
            color: var(--text-dim);
            margin-top: 0.35rem;
            font-weight: 500;
        }

        /* ─── DASHBOARD PREVIEW ─── */
        .preview-section {
            padding: 6rem 2rem;
            max-width: 1120px;
            margin: 0 auto;
        }
        .preview-frame {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2rem;
            margin-top: 2rem;
            overflow: hidden;
        }
        .preview-topbar {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border);
        }
        .preview-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }
        .preview-dot:nth-child(1) { background: #ff5f57; }
        .preview-dot:nth-child(2) { background: #ffbd2e; }
        .preview-dot:nth-child(3) { background: #28ca41; }
        .preview-url {
            margin-left: 1rem;
            font-size: 0.75rem;
            color: var(--text-dim);
            background: var(--bg);
            padding: 0.3rem 0.75rem;
            border-radius: 4px;
            font-family: monospace;
        }
        .preview-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) {
            .preview-metrics { grid-template-columns: repeat(2, 1fr); }
        }
        .preview-metric {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 1.25rem;
        }
        .preview-metric-label {
            font-size: 0.7rem;
            color: var(--text-dim);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.4rem;
        }
        .preview-metric-value {
            font-family: 'Satoshi', sans-serif;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--cream);
        }
        .preview-metric-change {
            font-size: 0.75rem;
            color: var(--accent-green);
            margin-top: 0.2rem;
            font-weight: 500;
        }
        .preview-chart-area {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 1.5rem;
            height: 200px;
            display: flex;
            align-items: flex-end;
            gap: 6px;
            overflow: hidden;
        }
        .chart-bar {
            flex: 1;
            background: var(--gold-soft);
            border-radius: 3px 3px 0 0;
            transition: background 0.3s;
            min-width: 4px;
        }
        .chart-bar:hover { background: var(--gold); }

        /* ─── USE CASES ─── */
        .usecases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        @media (max-width: 768px) {
            .usecases-grid { grid-template-columns: 1fr; }
        }
        .usecase-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 2.25rem;
            transition: border-color 0.3s;
        }
        .usecase-card:hover { border-color: var(--border-hover); }
        .usecase-tag {
            display: inline-block;
            font-size: 0.68rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            background: var(--gold-soft);
            color: var(--gold);
            margin-bottom: 1rem;
        }
        .usecase-card h3 {
            font-family: 'Instrument Serif', serif;
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.6rem;
        }
        .usecase-card p {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        .usecase-stat {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.82rem;
            color: var(--accent-green);
            font-weight: 600;
        }

        /* ─── CTA FINAL ─── */
        .cta-final {
            padding: 8rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-final::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 1000px;
            height: 600px;
            background: radial-gradient(ellipse, rgba(200, 165, 90, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-final h2 {
            font-family: 'Instrument Serif', serif;
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        .cta-final h2 em {
            font-style: italic;
            color: var(--gold);
        }
        .cta-final p {
            font-size: 1.05rem;
            color: var(--text-mid);
            max-width: 480px;
            margin: 0 auto 2.5rem;
            line-height: 1.7;
        }
        .cta-final-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ─── FOOTER ─── */
        footer {
            padding: 3rem 2rem;
            border-top: 1px solid var(--border);
            max-width: 1120px;
            margin: 0 auto;
        }
        .footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .footer-left {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1rem;
            color: var(--cream);
        }
        .footer-brand em { font-style: normal; color: var(--gold); }
        .footer-copy {
            font-size: 0.78rem;
            color: var(--text-dim);
        }
        .footer-links {
            display: flex;
            gap: 1.5rem;
        }
        .footer-links a {
            font-size: 0.82rem;
            color: var(--text-dim);
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-links a:hover { color: var(--cream); }

        /* ─── ANIMATIONS ─── */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(16px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ─── WAITLIST FORM ─── */
        .waitlist-inline {
            display: flex;
            gap: 0.5rem;
            max-width: 420px;
            margin-top: 1.5rem;
        }
        .waitlist-inline input {
            flex: 1;
            padding: 0.8rem 1rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--cream);
            font-size: 0.88rem;
            font-family: 'Satoshi', sans-serif;
            outline: none;
            transition: border-color 0.2s;
        }
        .waitlist-inline input::placeholder { color: var(--text-dim); }
        .waitlist-inline input:focus { border-color: var(--gold); }
        .waitlist-inline button {
            white-space: nowrap;
        }
        .form-msg {
            font-size: 0.82rem;
            margin-top: 0.5rem;
            color: var(--accent-green);
            display: none;
        }
        .form-msg.show { display: block; }
        .form-msg.error { color: #e5534b; }

        /* center cta waitlist */
        .cta-waitlist {
            max-width: 420px;
            margin: 0 auto;
        }
        .cta-waitlist .waitlist-inline {
            margin-top: 0;
        }

        /* ─── DEMO REQUEST FORM ─── */
        .demo-section {
            padding: 6rem 2rem;
            max-width: 900px;
            margin: 0 auto;
            border-top: 1px solid var(--border);
        }
        .demo-form-container {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 3rem 2.5rem;
            margin-top: 2rem;
        }
        .demo-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) {
            .demo-form-grid { grid-template-columns: 1fr; }
        }
        .form-field {
            display: flex;
            flex-direction: column;
        }
        .form-field.full-width {
            grid-column: 1 / -1;
        }
        .form-field label {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--cream);
            margin-bottom: 0.5rem;
        }
        .form-field label .required {
            color: var(--gold);
            margin-left: 0.2rem;
        }
        .form-field input,
        .form-field select,
        .form-field textarea {
            padding: 0.85rem 1.2rem;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--cream);
            font-family: 'Satoshi', sans-serif;
            font-size: 0.92rem;
            transition: all 0.2s ease;
        }
        .form-field input::placeholder,
        .form-field textarea::placeholder {
            color: var(--text-dim);
        }
        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            outline: none;
            border-color: var(--gold);
            background: var(--bg-card);
        }
        .form-field textarea {
            min-height: 100px;
            resize: vertical;
            font-family: 'Satoshi', sans-serif;
        }
        .demo-submit-btn {
            width: 100%;
            padding: 1rem 2rem;
            background: var(--gold);
            color: var(--bg);
            border: none;
            border-radius: 8px;
            font-family: 'Satoshi', sans-serif;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            margin-top: 1rem;
        }
        .demo-submit-btn:hover {
            background: var(--cream);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(200, 165, 90, 0.2);
        }
        .demo-submit-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }
        .demo-confirmation {
            background: var(--accent-green-soft);
            border: 1px solid var(--accent-green);
            border-radius: 8px;
            padding: 1.25rem;
            margin-top: 1rem;
            display: none;
        }
        .demo-confirmation.show {
            display: block;
        }
        .demo-confirmation-content {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }
        .demo-confirmation-icon {
            font-size: 1.5rem;
        }
        .demo-confirmation-text h4 {
            color: var(--accent-green);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        .demo-confirmation-text p {
            color: var(--text);
            font-size: 0.88rem;
            line-height: 1.5;
        }
        .demo-error {
            background: rgba(229, 83, 75, 0.1);
            border: 1px solid #e5534b;
            color: #e5534b;
            padding: 0.85rem 1rem;
            border-radius: 6px;
            font-size: 0.88rem;
            margin-top: 1rem;
            display: none;
        }
        .demo-error.show {
            display: block;
        }

        /* ─── ROI CALCULATOR ─── */
        .roi-section {
            padding: 6rem 2rem;
            max-width: 1120px;
            margin: 0 auto;
            border-top: 1px solid var(--border);
        }
        .roi-intro {
            color: var(--text-mid);
            max-width: 600px;
            margin-bottom: 3rem;
            font-size: 1.05rem;
        }
        .roi-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            margin-bottom: 4rem;
        }
        @media (max-width: 968px) {
            .roi-container { grid-template-columns: 1fr; }
        }
        .roi-inputs {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 2rem;
        }
        .input-group {
            margin-bottom: 2rem;
        }
        .input-group label {
            display: block;
            font-family: 'Satoshi', sans-serif;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--cream);
            margin-bottom: 0.75rem;
        }
        .input-group label span {
            color: var(--gold);
            font-weight: 600;
        }
        .input-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 6px;
            color: var(--cream);
            font-family: 'Satoshi', sans-serif;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .input-group select:hover,
        .input-group select:focus {
            border-color: var(--gold);
            outline: none;
        }
        .input-group input[type="range"] {
            width: 100%;
            height: 6px;
            background: var(--bg-elevated);
            border-radius: 3px;
            outline: none;
            -webkit-appearance: none;
        }
        .input-group input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 18px;
            height: 18px;
            background: var(--gold);
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .input-group input[type="range"]::-webkit-slider-thumb:hover {
            transform: scale(1.2);
        }
        .input-group input[type="range"]::-moz-range-thumb {
            width: 18px;
            height: 18px;
            background: var(--gold);
            border-radius: 50%;
            cursor: pointer;
            border: none;
        }
        .range-labels {
            display: flex;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--text-dim);
            margin-top: 0.25rem;
        }
        .toggle-group {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .toggle-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 1rem;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 8px;
            transition: all 0.2s ease;
        }
        .toggle-item:hover {
            border-color: var(--gold);
        }
        .toggle-item input[type="checkbox"] {
            width: 20px;
            height: 20px;
            margin-top: 0.2rem;
            cursor: pointer;
            accent-color: var(--gold);
        }
        .toggle-item label {
            display: flex;
            flex-direction: column;
            cursor: pointer;
            flex: 1;
        }
        .toggle-title {
            font-family: 'Satoshi', sans-serif;
            font-weight: 600;
            color: var(--cream);
            font-size: 0.95rem;
        }
        .toggle-desc {
            font-size: 0.8rem;
            color: var(--text-dim);
            margin-top: 0.25rem;
        }
        .roi-outputs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        .output-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
            transition: all 0.3s ease;
        }
        .output-card:hover {
            border-color: var(--gold);
            transform: translateY(-2px);
        }
        .output-card.highlight {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, var(--gold-soft) 0%, var(--bg-card) 100%);
            border-color: var(--gold);
        }
        .output-card.comparison {
            grid-column: 1 / -1;
            border: 2px solid var(--gold);
        }
        .output-label {
            font-size: 0.75rem;
            color: var(--text-dim);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.5rem;
        }
        .output-value {
            font-family: 'Satoshi', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--cream);
            line-height: 1.2;
        }
        .output-card.highlight .output-value {
            font-size: 2.5rem;
            color: var(--gold);
        }
        .output-note {
            font-size: 0.8rem;
            color: var(--text-dim);
            margin-top: 0.25rem;
        }
        .roi-cta {
            text-align: center;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 3rem 2rem;
        }
        .roi-cta h3 {
            font-family: 'Satoshi', sans-serif;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--cream);
            margin-bottom: 0.75rem;
        }
        .roi-cta p {
            color: var(--text-mid);
            margin-bottom: 1.5rem;
        }
        .roi-form {
            display: flex;
            gap: 1rem;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .roi-form input[type="email"] {
            flex: 1;
            min-width: 250px;
            padding: 0.9rem 1.5rem;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 6px;
            color: var(--cream);
            font-family: 'Satoshi', sans-serif;
            font-size: 0.95rem;
            transition: all 0.2s ease;
        }
        .roi-form input[type="email"]:focus {
            outline: none;
            border-color: var(--gold);
        }
        .roi-form input[type="email"]::placeholder {
            color: var(--text-dim);
        }
        .form-feedback {
            margin-top: 1rem;
            padding: 0.75rem;
            border-radius: 6px;
            font-size: 0.9rem;
        }
        .form-feedback.success {
            background: var(--accent-green-soft);
            color: var(--accent-green);
            border: 1px solid var(--accent-green);
        }
        .form-feedback.error {
            background: rgba(229, 83, 75, 0.1);
            color: #e5534b;
            border: 1px solid #e5534b;
        }