:root {
            --bg-color: #f8fafc;
            --text-main: #0f172a;
            --text-muted: #475569;
            --accent: #1e293b;
            --white: #ffffff;
            --border: #e2e8f0;
            --placeholder-bg: #f1f5f9;
            --placeholder-border: #cbd5e1;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            color: var(--text-main);
            background-color: var(--bg-color);
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Placeholders */
        .img-placeholder {
            background-color: var(--placeholder-bg);
            border: 1px dashed var(--placeholder-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 0.875rem;
            width: 100%;
            border-radius: 4px;
        }

        .media-frame {
            background-color: var(--white);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
        }

        .media-frame img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .logo-placeholder {
            width: 48px;
            height: 48px;
            background-color: var(--placeholder-bg);
            border: 1px dashed var(--placeholder-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.75rem;
            border-radius: 4px;
        }

        .logo-placeholder img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        /* Typography */
        h1 {
            font-size: 3.5rem;
            line-height: 1.1;
            font-weight: 700;
            margin-bottom: 1.5rem;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 2.25rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        p {
            font-size: 1.125rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        /* Buttons */
        .btn-group {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }

        .btn {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            font-weight: 500;
            text-decoration: none;
            border-radius: 4px;
            transition: all 0.2s ease;
            font-size: 1rem;
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--white);
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: #000;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            border-color: var(--text-muted);
        }

        /* Sections */
        section {
            padding: 6rem 0;
        }

        /* Header / Nav */
        header {
            padding: 1rem 0;
            background-color: var(--bg-color);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* Hero */
        .hero {
            padding: 3rem 0 6rem;
            border-bottom: 1px solid var(--border);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .hero .img-placeholder {
            height: 400px;
        }

        /* Two Column Layout */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        /* Pillars Grid */
        .pillars-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-top: 3rem;
        }

        .pillar-card {
            background: var(--white);
            padding: 2.5rem;
            border: 1px solid var(--border);
            border-radius: 4px;
        }

        .pillar-card .logo-placeholder {
            margin-bottom: 1.5rem;
        }

        .pillar-card p {
            font-size: 1rem;
            margin-bottom: 0;
        }

        /* Pulse Section */
        .pulse-section {
            background-color: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .pulse-section .img-placeholder {
            height: 500px;
            margin-bottom: 3rem;
        }

        .pulse-subtitle {
            color: var(--text-main);
            font-weight: 500;
            font-size: 1.25rem;
            margin-bottom: 2rem;
        }

        /* CTA Section */
        .cta-section {
            text-align: center;
            padding: 8rem 0;
        }

        .cta-section .btn-group {
            justify-content: center;
        }

        /* Footer */
        footer {
            padding: 3rem 0;
            background-color: var(--white);
            border-top: 1px solid var(--border);
            text-align: center;
        }

        footer .logo-placeholder {
            margin: 0 auto 1rem;
        }

        @media (max-width: 768px) {
            .hero-grid, .two-col, .pillars-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .hero { padding: 2.5rem 0 4rem; }
        }