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

        :root {
            --coral: #F2A09A;
            --coral-light: #FDF5F4;
            --coral-dark: #E88B84;
            --teal: #4CB5AE;
            --teal-dark: #3A9A94;
            --teal-light: #E8F6F5;
            --navy: #1A2B3C;
            --text-dark: #2D3748;
            --text-gray: #5A6B7D;
            --text-light: #8899AA;
            --white: #FFFFFF;
            --bg-cream: #FFFAF9;
            --border: #E8ECF1;
        }

        html {
            scroll-behavior: smooth;
        }

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

        h1, h2, h3 {
            font-family: 'DM Serif Display', Georgia, serif;
            font-weight: 400;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .hero {
            padding: 140px 20px 88px;
            background:
                radial-gradient(circle at top right, rgba(242, 160, 154, 0.22), transparent 32%),
                linear-gradient(135deg, var(--teal-light) 0%, var(--bg-cream) 100%);
        }

        .hero-shell {
            display: grid;
            grid-template-columns: 240px minmax(0, 1fr);
            gap: 32px;
            align-items: start;
        }

        .tools-rail {
            position: relative;
        }

        .tools-panel {
            position: sticky;
            top: 108px;
            padding: 18px;
            border-radius: 28px;
            background: rgba(12, 25, 39, 0.82);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 18px 52px rgba(26, 43, 60, 0.16);
            backdrop-filter: blur(16px);
        }

        .tools-panel-title {
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }

        .tools-panel-note {
            margin-top: 12px;
            color: rgba(255, 255, 255, 0.66);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .tool-list {
            margin-top: 18px;
            display: grid;
            gap: 12px;
        }

        .tool-link {
            display: block;
            padding: 16px 18px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.05);
            text-decoration: none;
            color: var(--white);
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .tool-link:hover {
            transform: translateY(-1px);
            border-color: rgba(255, 255, 255, 0.16);
        }

        .tool-link.active {
            background: var(--white);
            border-color: transparent;
            color: var(--navy);
            box-shadow: 0 14px 34px rgba(15, 23, 42, 0.18);
        }

        .tool-link.disabled {
            cursor: not-allowed;
            opacity: 0.78;
        }

        .tool-link-meta {
            display: block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.62);
        }

        .tool-link.active .tool-link-meta {
            color: var(--teal-dark);
        }

        .tool-link-label {
            display: block;
            margin-top: 8px;
            font-size: 1rem;
            font-weight: 700;
        }

        .tool-link-subtext {
            display: block;
            margin-top: 6px;
            font-size: 0.84rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.72);
        }

        .tool-link.active .tool-link-subtext {
            color: var(--text-gray);
        }

        .hero-inner {
            max-width: none;
            text-align: left;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(76, 181, 174, 0.12);
            color: var(--teal-dark);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: clamp(2.3rem, 5vw, 4rem);
            line-height: 1.08;
            color: var(--navy);
            margin-bottom: 20px;
        }

        .hero-copy {
            max-width: 820px;
            margin: 0;
            font-size: 1.08rem;
            color: var(--text-gray);
            line-height: 1.8;
        }

        .hero-inner .ft-title { font-family: 'DM Serif Display', Georgia, serif; font-weight: 400; font-size: clamp(1.8rem, 3.5vw, 2.6rem); color: var(--navy); margin-bottom: 14px; }

        .hero-assurance {
            max-width: 820px;
            margin-top: 0;
            padding: 14px 18px;
            border-radius: 18px;
            background: rgba(76, 181, 174, 0.12);
            border: 1px solid rgba(76, 181, 174, 0.28);
            color: var(--navy);
            font-size: 0.98rem;
            line-height: 1.65;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 15px 26px;
            border-radius: 999px;
            text-decoration: none;
            font-weight: 700;
            font-size: 0.95rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
        }

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

        .btn-primary {
            background: var(--teal);
            color: var(--white);
            box-shadow: 0 10px 28px rgba(76, 181, 174, 0.25);
        }

        .btn-primary:hover {
            background: var(--teal-dark);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--navy);
            border: 1px solid rgba(26, 43, 60, 0.08);
            box-shadow: 0 8px 24px rgba(26, 43, 60, 0.08);
        }

        .btn-ghost {
            background: transparent;
            color: var(--teal-dark);
            padding-left: 0;
            padding-right: 0;
            border-radius: 0;
        }

        .hero-stats {
            margin-top: 36px;
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 16px;
        }

        .hero-stat {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(26, 43, 60, 0.08);
            border-radius: 18px;
            padding: 20px;
        }

        .hero-stat strong {
            display: block;
            color: var(--navy);
            font-size: 1.55rem;
            line-height: 1;
            margin-bottom: 6px;
        }

        .hero-stat span {
            color: var(--text-gray);
            font-size: 0.92rem;
        }

        .section {
            padding: 88px 20px;
        }

        .section-alt {
            background: var(--bg-cream);
        }

        .section-head {
            max-width: 700px;
            margin-bottom: 40px;
        }

        .section-head h2 {
            color: var(--navy);
            font-size: clamp(2rem, 3.4vw, 2.7rem);
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--text-gray);
            font-size: 1rem;
            line-height: 1.8;
        }

        .entry-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 24px;
            margin-top: 36px;
            text-align: left;
        }

        .entry-card {
            background: rgba(255, 255, 255, 0.94);
            border: 1px solid rgba(26, 43, 60, 0.1);
            border-radius: 24px;
            padding: 32px;
            box-shadow: 0 18px 48px rgba(26, 43, 60, 0.1);
        }

        .entry-label,
        .diagram-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 12px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 18px;
        }

        .entry-label.physician,
        .diagram-label.physician {
            background: rgba(76, 181, 174, 0.12);
            color: var(--teal-dark);
        }

        .entry-label.patient,
        .diagram-label.patient {
            background: rgba(242, 160, 154, 0.16);
            color: var(--coral-dark);
        }

        .entry-card h2,
        .diagram-lane h3 {
            color: var(--navy);
            margin-bottom: 12px;
        }

        .entry-card h2 {
            font-size: clamp(1.9rem, 3vw, 2.5rem);
            margin-top: 18px;
        }

        .diagram-lane h3 {
            font-size: 1.6rem;
            margin-top: 18px;
            margin-bottom: 8px;
        }

        .entry-card p,
        .diagram-lane > p,
        .flow-card p {
            color: var(--text-gray);
            font-size: 0.98rem;
            line-height: 1.75;
        }

        .entry-note {
            margin-top: 14px;
            font-size: 0.92rem;
            color: var(--text-light);
        }

        .entry-card .btn {
            margin-top: 26px;
        }

        .hero-links {
            display: flex;
            justify-content: flex-start;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 24px;
        }

        .hero-links a {
            color: var(--teal-dark);
            font-weight: 700;
            text-decoration: none;
        }

        .hero-links a:hover {
            color: var(--navy);
        }

        .diagram-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 24px;
        }

        .diagram-lane {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 30px 28px;
        }

        .flow-list {
            position: relative;
            margin-top: 22px;
            display: grid;
            gap: 16px;
        }

        .flow-list::before {
            content: '';
            position: absolute;
            left: 17px;
            top: 18px;
            bottom: 18px;
            width: 2px;
            background: linear-gradient(
                180deg,
                rgba(76, 181, 174, 0.3) 0%,
                rgba(242, 160, 154, 0.28) 100%
            );
        }

        .flow-step {
            position: relative;
            padding-left: 56px;
        }

        .flow-badge {
            position: absolute;
            left: 0;
            top: 4px;
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--white);
            border: 1px solid rgba(26, 43, 60, 0.12);
            color: var(--navy);
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1;
        }

        .flow-card {
            background: rgba(255, 255, 255, 0.92);
            border: 1px solid rgba(26, 43, 60, 0.08);
            border-radius: 18px;
            padding: 16px 18px;
        }

        .flow-card h4 {
            font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
            color: var(--navy);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .callout {
            padding: 32px;
            border-radius: 24px;
            background: linear-gradient(135deg, var(--navy) 0%, #244157 100%);
            color: rgba(255,255,255,0.9);
        }

        .callout h2 {
            color: var(--white);
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            margin-bottom: 14px;
        }

        .callout p {
            color: rgba(255,255,255,0.82);
            max-width: 700px;
            line-height: 1.8;
        }

        .callout .hero-actions {
            justify-content: flex-start;
            margin-top: 24px;
        }

        @media (max-width: 900px) {
            .hero-shell,
            .entry-grid,
            .diagram-grid {
                grid-template-columns: 1fr;
            }

            .tools-panel {
                position: static;
            }

            .hero-inner {
                text-align: center;
            }

            .hero-copy {
                margin: 0 auto;
            }

            .hero-links {
                justify-content: center;
            }
        }

        @media (max-width: 640px) {
            .hero {
                padding: 120px 16px 72px;
            }

            .section {
                padding: 72px 16px;
            }

            .entry-card,
            .diagram-lane,
            .callout {
                padding: 26px 22px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-links {
                flex-direction: column;
                gap: 12px;
            }

            .btn {
                width: 100%;
            }
        }